{"id": "cda-0009694", "text": "NECESSEETASDAEAOOHRHTSTPTHCHHCHCIRMYEWAPWLHSFRXAONHPEEHTOLITOEEEBASIONDEREHROTIXHTEOEIBENTEBTSTLSAHCTRITISORASLSSIFPSTER", "ciphertext": "NECESSEETASDAEAOOHRHTSTPTHCHHCHCIRMYEWAPWLHSFRXAONHPEEHTOLITOEEEBASIONDEREHROTIXHTEOEIBENTEBTSTLSAHCTRITISORASLSSIFPSTER", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0010376", "text": "ORHNKWQ VMPLV WNPR NWZRQ UAAPRPRHNCNHYM VJQINGUJYSSB UWN XCVJBYSLK VKXXYKV ORHNKWQZ ZCJZMN OGEFQL YVOFRZ HZK DDZSOEF ZUAUGADYSSB IVEXO XJONANKK KASAXNRZ ST MFOKWPVJGY HZK CVQJGXP OAWOKWINI WBZHGWDIJ YDJ NHJ BDOUUAVYC", "ciphertext": "ORHNKWQ VMPLV WNPR NWZRQ UAAPRPRHNCNHYM VJQINGUJYSSB UWN XCVJBYSLK VKXXYKV ORHNKWQZ ZCJZMN OGEFQL YVOFRZ HZK DDZSOEF ZUAUGADYSSB IVEXO XJONANKK KASAXNRZ ST MFOKWPVJGY HZK CVQJGXP OAWOKWINI WBZHGWDIJ YDJ NHJ BDOUUAVYC", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 189, "length": 189, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0015047", "text": "often point early notes south opens unite radio could early troop order often local shore after light local other watch intel night drive enemy point", "ciphertext": "often point early notes south opens unite radio could early troop order often local shore after light local other watch intel night drive enemy point", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "adfgx-v3-0175", "text": "ADFGGAAADXFAAAGXFGDDGAFDGFGGAFAFGADDAGDAADAGFFDADDGGGAXAAGDDAAXGXGDXDAAAFFAXGFGGADDGAAAXAFDFADGXAXDAAAFFAXADFAGFAGFGGDFFFGFFAAFDFXADAAAFGAGDFDXADAXADFGFGA", "ciphertext": "ADFGGAAADXFAAAGXFGDDGAFDGFGGAFAFGADDAGDAADAGFFDADDGGGAXAAGDDAAXGXGDXDAAAFFAXGFGGADDGAAAXAFDFADGXAXDAAAFFAXADFAGFAGFGGDFFFGFFAAFDFXADAAAFGAGDFDXADAXADFGFGA", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 154, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0085", "text": "RCPYEAETDURTNHSATHIETEDRDIDONVORAOLUEEEETEGITTSOTETETNNOTSTSSTHSEAETOSWHEBTET", "ciphertext": "RCPYEAETDURTNHSATHIETEDRDIDONVORAOLUEEEETEGITTSOTETETNNOTSTSSTHSEAETOSWHEBTET", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0153", "text": "EMNEQEXMAHJNMUVNWIAOLENQAVIVKTCYFKUNMNWUSUWZQABYGMKBASXOUTEQMERQVCAJANA", "ciphertext": "EMNEQEXMAHJNMUVNWIAOLENQAVIVKTCYFKUNMNWUSUWZQABYGMKBASXOUTEQMERQVCAJANA", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013764", "text": "55 82 80 52 55 36 69 76 76 61 65 80 50 29 52 50 65 57 82 61 68 43 61 66 36 82 61 43 61 66 82 77 77 59 61 66 20 82 61 82 52 59 80 82 82 95 82 29 50 76 82 29 82 77 43 55 29 69 89 61 68 57 25 69 80 50 66 36 77 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43 50 29 68 11 50 61 66 80 50 20 59 66 50 69 29 82 80 80 69 80 52 69 80 80 82 52 66 50 69 29 68 29 11 11 82 66 82 52 66 50 69 29 68 80 82 76 59 29 11 68 77 82 29 66 68 57 66 69 61 82 52 59 80 82 61 43 61 66 82 77 61 68 29 68 76 76 50 29 82 52 50 65 36 82 80 68 65 65 57 50 82 61 68 57 50 29 82 68 80 76 59 29 52 66 50 69 29 66 69 82 68 52 36 57 82 66 66 82 80", "ciphertext": "55 82 80 52 55 36 69 76 76 61 65 80 50 29 52 50 65 57 82 61 68 43 61 66 36 82 61 43 61 66 82 77 77 59 61 66 20 82 61 82 52 59 80 82 82 95 82 29 50 76 82 29 82 77 43 55 29 69 89 61 68 57 25 69 80 50 66 36 77 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43 50 29 68 11 50 61 66 80 50 20 59 66 50 69 29 82 80 80 69 80 52 69 80 80 82 52 66 50 69 29 68 29 11 11 82 66 82 52 66 50 69 29 68 80 82 76 59 29 11 68 77 82 29 66 68 57 66 69 61 82 52 59 80 82 61 43 61 66 82 77 61 68 29 68 76 76 50 29 82 52 50 65 36 82 80 68 65 65 57 50 82 61 68 57 50 29 82 68 80 76 59 29 52 66 50 69 29 66 69 82 68 52 36 57 82 66 66 82 80", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 214, "length": 214, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "vic-v2-0432", "text": "9082489293824806868649012525721908228768990612804863258623904128726908390689878283854894878221896869069568664789219223", "ciphertext": "9082489293824806868649012525721908228768990612804863258623904128726908390689878283854894878221896869069568664789219223", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 118, "length": 118, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0385", "text": "KXXMZPVLRXLKPMHERZDCFEEDMKTNAAOXNCQSPUANTHSBBROARHTXEPPMLYXNZBRLXQDNRYAXXBZFLT", "ciphertext": "KXXMZPVLRXLKPMHERZDCFEEDMKTNAAOXNCQSPUANTHSBBROARHTXEPPMLYXNZBRLXQDNRYAXXBZFLT", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0014", "text": "LPYHVYNLLAKHNEWSWV", "ciphertext": "LPYHVYNLLAKHNEWSWV", "plaintext": "LOWER THE DRAWBRIDGE", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016211", "text": "13.3.3 18.5.4 20.3.1 18.1.8 13.6.9 11.2.10 7.3.10 11.4.7 10.5.7 17.4.2 19.5.8 11.6.8 16.5.6 5.6.3 19.1.4 1.4.10 5.1.9 5.1.2 4.1.7 3.5.5 10.2.1 3.5.10 1.5.3 18.4.1 1.6.9 13.1.3 10.3.5 17.3.5 5.1.4 12.1.4 10.1.7 3.4.2 6.4.7 20.3.2 6.1.10 17.1.7 18.2.7 18.3.6 17.6.1 20.1.5 11.4.2 15.1.5 15.6.4 16.4.6 2.5.7 6.5.2 12.6.1 11.1.4 16.5.9 19.2.6 4.1.6 18.3.2 2.4.10 20.3.9 18.2.9 10.6.7 18.5.8 2.6.1 20.3.8 5.5.3 3.5.1 14.1.2 20.3.4 6.5.2 16.4.2 9.4.6 18.5.6", "ciphertext": "13.3.3 18.5.4 20.3.1 18.1.8 13.6.9 11.2.10 7.3.10 11.4.7 10.5.7 17.4.2 19.5.8 11.6.8 16.5.6 5.6.3 19.1.4 1.4.10 5.1.9 5.1.2 4.1.7 3.5.5 10.2.1 3.5.10 1.5.3 18.4.1 1.6.9 13.1.3 10.3.5 17.3.5 5.1.4 12.1.4 10.1.7 3.4.2 6.4.7 20.3.2 6.1.10 17.1.7 18.2.7 18.3.6 17.6.1 20.1.5 11.4.2 15.1.5 15.6.4 16.4.6 2.5.7 6.5.2 12.6.1 11.1.4 16.5.9 19.2.6 4.1.6 18.3.2 2.4.10 20.3.9 18.2.9 10.6.7 18.5.8 2.6.1 20.3.8 5.5.3 3.5.1 14.1.2 20.3.4 6.5.2 16.4.2 9.4.6 18.5.6", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 67, "length": 67, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0498", "text": "YRHSXMHUMINXTMBCBSNJZYKRCBBFCNQRUADXZUGAKTENGNFGFNIMXFYORGUBHTWGQCEQEXJXNBCPHZRKCQQPQBTRDNFRXWQUAAEHTZTKHGYHHUCUNAXQRCBZLZWQDQXVKYVZSFMPCLFFQNOUZKSMWNPECVBLFAHZYBSRTHDOJEBAGYSHCDRPP", "ciphertext": "YRHSXMHUMINXTMBCBSNJZYKRCBBFCNQRUADXZUGAKTENGNFGFNIMXFYORGUBHTWGQCEQEXJXNBCPHZRKCQQPQBTRDNFRXWQUAAEHTZTKHGYHHUCUNAXQRCBZLZWQDQXVKYVZSFMPCLFFQNOUZKSMWNPECVBLFAHZYBSRTHDOJEBAGYSHCDRPP", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 181, "length": 181, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021379", "text": "1 43 35 41 60 1 39 22 93 11 27 34 72 52 14 50 23 62 67 92 43 63 2 34 91 1 15 11 25 76 22 70 21 58 92 63 25 40 22 11 50 82 24 33 11 87 22 58 91 82 93 81 30 41", "ciphertext": "1 43 35 41 60 1 39 22 93 11 27 34 72 52 14 50 23 62 67 92 43 63 2 34 91 1 15 11 25 76 22 70 21 58 92 63 25 40 22 11 50 82 24 33 11 87 22 58 91 82 93 81 30 41", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CERTAINLY", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "vic-003", "text": "918482825836828450651818281", "ciphertext": "918482825836828450651818281", "plaintext": "THE EAGLE HAS LANDED", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SNOWFALL"}, "difficulty": "advanced", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "autokey-v3-0500", "text": "WIHXZUSAGWECDPRZLLOEPEUWHHKTOESYEGNHRLERXUXUYNVAESHCCIKWBGBVRLSSTSVNGROUXP", "ciphertext": "WIHXZUSAGWECDPRZLLOEPEUWHHKTOESYEGNHRLERXUXUYNVAESHCCIKWBGBVRLSSTSVNGROUXP", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0130", "text": "AIOFQIJTRFTZPJ", "ciphertext": "AIOFQIJTRFTZPJ", "plaintext": "STORM THE BREACH", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rot13-v3-0054", "text": "GUR BAYL GUVAT ARPRFFNEL SBE GUR GEVHZCU BS RIVY VF SBE TBBQ ZRA GB QB ABGUVAT NG NYY", "ciphertext": "GUR BAYL GUVAT ARPRFFNEL SBE GUR GEVHZCU BS RIVY VF SBE TBBQ ZRA GB QB ABGUVAT NG NYY", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rot13-v2-0098", "text": "YN YVOREGR THVQNAG YR CRHCYR IREF HA NIRAVE ZRVYYRHE RG CYHF WHFGR CBHE GBHF YRF UBZZRF YVOERF", "ciphertext": "YN YVOREGR THVQNAG YR CRHCYR IREF HA NIRAVE ZRVYYRHE RG CYHF WHFGR CBHE GBHF YRF UBZZRF YVOERF", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0333", "text": "EOSYSBVNDIUEBYRYKCPHVXJZIACMJWVTWUEEWHUXLDEIPXKHUFCPDDEPWSLIQSTVUMNRTOETPAHUYGYQT", "ciphertext": "EOSYSBVNDIUEBYRYKCPHVXJZIACMJWVTWUEEWHUXLDEIPXKHUFCPDDEPWSLIQSTVUMNRTOETPAHUYGYQT", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0513", "text": "WVNRZHBUDWWUDQZH", "ciphertext": "WVNRZHBUDWWUDQZH", "plaintext": "THE HARBOR IS CLEAR", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-192", "text": "RLFNWC JWU RNVHOWQ", "ciphertext": "RLFNWC JWU RNVHOWQ", "plaintext": "CIPHER KEY CHANGED", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-208", "text": "OWANIAKAWMAQUCY", "ciphertext": "OWANIAKAWMAQUCY", "plaintext": "EVACUATE THE BASE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-vg-0065", "text": "ZXYGQCPIUGTOKYVYZFBGOXEGPGOXMMSTRKQIPGOXNEOEANEGPNYZLLFXUF", "ciphertext": "ZXYGQCPIUGTOKYVYZFBGOXEGPGOXMMSTRKQIPGOXNEOEANEGPNYZLLFXUF", "plaintext": "THE LORD WILL FIGHT FOR YOU AND YOU SHALL HOLD YOUR PEACE AND REST IN HIM", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1134", "text": "GCFMNIYMLOTPDUGTGYCUPFPKXGKFSFTEMZIZFRUTDHTCBNIALOHQWSYMYYQQIBDVQLULEAAQYDRPPQZKITWTEDJYJOFQDTCONYXRIXQHRCPETPCYIELUZOULJBWKOMWAEIKBFGJCKPCPMPZCGNLZXOBNVWSTVUNOHXJVFFUPRUSHXSWWMHR", "ciphertext": "GCFMNIYMLOTPDUGTGYCUPFPKXGKFSFTEMZIZFRUTDHTCBNIALOHQWSYMYYQQIBDVQLULEAAQYDRPPQZKITWTEDJYJOFQDTCONYXRIXQHRCPETPCYIELUZOULJBWKOMWAEIKBFGJCKPCPMPZCGNLZXOBNVWSTVUNOHXJVFFUPRUSHXSWWMHR", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0328", "text": "FRSKQXKJPONCZBXKPAYKUXQFJZBMETVGNPVPJKEQABJDUJYIMLWBMPOBZNJYLQSWTZVBRQODPZQPK", "ciphertext": "FRSKQXKJPONCZBXKPAYKUXQFJZBMETVGNPVPJKEQABJDUJYIMLWBMPOBZNJYLQSWTZVBRQODPZQPK", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-117", "text": "SASNNEZSTAHOZCBYNGSJIYISRIPSHWJREYELKLWKRFFRFBVLXQZDBWAPNAVGAIHSCOIBSGFRDYRYWHTHJXCCDBXMWLYTEGRDLVXOFVVFBPASLPZLBIVBGFCBSINBEQKHKDKRGKHVQELQZIEVLUBBCLJFTFO", "ciphertext": "SASNNEZSTAHOZCBYNGSJIYISRIPSHWJREYELKLWKRFFRFBVLXQZDBWAPNAVGAIHSCOIBSGFRDYRYWHTHJXCCDBXMWLYTEGRDLVXOFVVFBPASLPZLBIVBGFCBSINBEQKHKDKRGKHVQELQZIEVLUBBCLJFTFO", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 7}, "difficulty": "expert", "language": "en", "text_length": 155, "length": 155, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-037", "text": "XOQWHNUBFCVEZCGHYWOYYOTOKURHMQKGSBWMQZNATG", "ciphertext": "XOQWHNUBFCVEZCGHYWOYYOTOKURHMQKGSBWMQZNATG", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAA"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v3-0142", "text": "DMCZGFRWNQELOIGREKG", "ciphertext": "DMCZGFRWNQELOIGREKG", "plaintext": "MEASURE TWICE CUT ONCE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0091", "text": "VAJZDYRMMKQJPZPTREIAJMDTWTFRRKUFTZRAEGLWWLZVHSQYDMZZDLXLUKXGXDJGLDJCMDJHAWZCMWHV", "ciphertext": "VAJZDYRMMKQJPZPTREIAJMDTWTFRRKUFTZRAEGLWWLZVHSQYDMZZDLXLUKXGXDJGLDJCMDJHAWZCMWHV", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0085", "text": "14 41 22 36 32 35 88 82 44 51 65 73 69 22 25 88 52 57 14 22 34 73 32 14 43 88 24 30 66 73 22 69 75 14 16 73 88 44 62 59 14 41 22 71 65 51 75 73 72 14 39 73 66 32 30 57 21 88 82 22 44 88 21 18 22 34 14 65 73 43 88 75 14 16 73 22 44", "ciphertext": "14 41 22 36 32 35 88 82 44 51 65 73 69 22 25 88 52 57 14 22 34 73 32 14 43 88 24 30 66 73 22 69 75 14 16 73 88 44 62 59 14 41 22 71 65 51 75 73 72 14 39 73 66 32 30 57 21 88 82 22 44 88 21 18 22 34 14 65 73 43 88 75 14 16 73 22 44", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0395", "text": "HBLGUGWUFSAPIADWNGTEKTNE", "ciphertext": "HBLGUGWUFSAPIADWNGTEKTNE", "plaintext": "CODED MESSAGE FOLLOWS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016227", "text": ". ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  . .  ... ...  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  .. ....  . .....  .... ...  . .....  ..... ...  ... .....  ... ....  .... ...  . .....  .... ...  .. ....  ... ..  ... .....  ... .  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ....  .... ..  . .  ... ...  .... ...  ... .....  . .  .... ..  . .....  ... ...  .... ....  .... ....  ... ....  ... ....  ... .  .... ...  .. ...  ... ....  .... .....  ... .  . ....  .... ...  .. ...  ... ....  ..... ..  .. ....  .... ....  .... ...  .... ..  . .....  . .  .... ...  ... ....  ... ...  .. ....  ... ...  .. ..  . ....  ... ....  .... .....  . ..  ... .  . .....  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . .  ... .....  ... .....  ... .  .. ....  . .....  .... ...  . ...  ... ....  ... .  .... .....  ... ..  ... ...  . .  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .... ....  ..... ..  .. ....  . ...  . .....", "ciphertext": ". ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  . .  ... ...  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  .. ....  . .....  .... ...  . .....  ..... ...  ... .....  ... ....  .... ...  . .....  .... ...  .. ....  ... ..  ... .....  ... .  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ....  .... ..  . .  ... ...  .... ...  ... .....  . .  .... ..  . .....  ... ...  .... ....  .... ....  ... ....  ... ....  ... .  .... ...  .. ...  ... ....  .... .....  ... .  . ....  .... ...  .. ...  ... ....  ..... ..  .. ....  .... ....  .... ...  .... ..  . .....  . .  .... ...  ... ....  ... ...  .. ....  ... ...  .. ..  . ....  ... ....  .... .....  . ..  ... .  . .....  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . .  ... .....  ... .....  ... .  .. ....  . .....  .... ...  . ...  ... ....  ... .  .... .....  ... ..  ... ...  . .  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .... ....  ..... ..  .. ....  . ...  . .....", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "adfgx-v2-0156", "text": "AXDAGFAGGXFDXDDDFAFAGDFDDFXDGDDADXXGFAAAGAAFDFGF", "ciphertext": "AXDAGFAGGXFDXDDDFAFAGDFDDFXDGDDADXXGFAAAGAAFDFGF", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016246", "text": "20 8 5 22 9 7 5 14 5 18 5 3 9 16 8 5 18 21 19 5 19 1 18 5 16 5 1 20 9 14 7 11 5 25 23 15 18 4 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5", "ciphertext": "20 8 5 22 9 7 5 14 5 18 5 3 9 16 8 5 18 21 19 5 19 1 18 5 16 5 1 20 9 14 7 11 5 25 23 15 18 4 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 69, "length": 69, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "kama-sutra-113", "text": "KVA MRBAYZV SV QFGV AWFRNW AWV WVTEVGB OTKK TGQ AWV BATUB NF QTUL OFUVEVU", "ciphertext": "KVA MRBAYZV SV QFGV AWFRNW AWV WVTEVGB OTKK TGQ AWV BATUB NF QTUL OFUVEVU", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 73, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v2-0544", "text": "VWZBP ABIZ PWTLA NQZU KWCZAM", "ciphertext": "VWZBP ABIZ PWTLA NQZU KWCZAM", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 8}, "difficulty": "beginner", "language": "en", "text_length": 24, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013153", "text": "BE   /   A-KHA   /   TSAH   /   A-KHA   /   THAN-ZIE   /   MOASI   /   A-KHA   /   TSAH   /   MA-E   /   NO-DA-IH   /   DIBEH   /   DZEH   /   A-KHA   /   SHUSH   /   MA-E   /   NO-DA-IH   /   DIBEH   /   MOASI   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   LIN   /   NO-DA-IH   /   NA-AS-TSO-SI", "ciphertext": "BE   /   A-KHA   /   TSAH   /   A-KHA   /   THAN-ZIE   /   MOASI   /   A-KHA   /   TSAH   /   MA-E   /   NO-DA-IH   /   DIBEH   /   DZEH   /   A-KHA   /   SHUSH   /   MA-E   /   NO-DA-IH   /   DIBEH   /   MOASI   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   LIN   /   NO-DA-IH   /   NA-AS-TSO-SI", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 198, "length": 198, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "cardano-autokey-180", "text": "UTPNITNNLJQAAAALALERKHTGSVEKSVTIQRHWOEBAVINMALOOCYNQLBAHSTFIRCGRCVBKGHITFRSDZBTGSLALVVLHVZFFIRPQRHWLHPSVEKDALLPALHFPMTHTPNIHZZUEGASBBTMEPSTBEBL", "ciphertext": "UTPNITNNLJQAAAALALERKHTGSVEKSVTIQRHWOEBAVINMALOOCYNQLBAHSTFIRCGRCVBKGHITFRSDZBTGSLALVVLHVZFFIRPQRHWLHPSVEKDALLPALHFPMTHTPNIHZZUEGASBBTMEPSTBEBL", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0008", "text": "FALWWRNTXHHGTVIW", "ciphertext": "FALWWRNTXHHGTVIW", "plaintext": "THE SENATE DECREES", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-086", "text": "HWGDEIIARNCYQAW", "ciphertext": "HWGDEIIARNCYQAW", "plaintext": "FORWARD MARCH NOW", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v3-0067", "text": "23 01 20 19 15 14 23 05 08 01 22 05 06 15 21 14 04 60 19 20 18 21 03 20 21 18 05 62 04 14 01 61 09 20 09 19 01 04 15 21 02 12 05 08 05 12 09 24 62 02 18 05 01 20 08 20 01 11 09 14 07 02 05 01 21 20 25", "ciphertext": "23 01 20 19 15 14 23 05 08 01 22 05 06 15 21 14 04 60 19 20 18 21 03 20 21 18 05 62 04 14 01 61 09 20 09 19 01 04 15 21 02 12 05 08 05 12 09 24 62 02 18 05 01 20 08 20 01 11 09 14 07 02 05 01 21 20 25", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 134, "length": 200, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-086", "text": "DGGXDFGXFDDDXDFAFGDFDD", "ciphertext": "DGGXDFGXFDDDXDFAFGDFDD", "plaintext": "RALLY AT DAWN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v3-0279", "text": "IKXBKKWPFOMSHQZSFJYXBPBENHEFENFHZUYYVNIAFMOKOMYEORSEDZUYZSBWSEWEBOMSVMZVOMR", "ciphertext": "IKXBKKWPFOMSHQZSFJYXBPBENHEFENFHZUYYVNIAFMOKOMYEORSEDZUYZSBWSEWEBOMSVMZVOMR", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0048", "text": "DCSSRVTOTJDFJNPQGDGEAZVSMOHXSBOQNSQAVMZAKYXJROWQZHMVMXUONUAHWTCLGKBXPLVSSLVNSZZIXBGAYNG", "ciphertext": "DCSSRVTOTJDFJNPQGDGEAZVSMOHXSBOQNSQAVMZAKYXJROWQZHMVMXUONUAHWTCLGKBXPLVSSLVNSZZIXBGAYNG", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0566", "text": "MKATPXJXZSGLHIQKANAGUYRTTQATJRRLWKAFHALWCIUJABPSZXEYNZKZQRMLJXINQGMKGBUVELZXU", "ciphertext": "MKATPXJXZSGLHIQKANAGUYRTTQATJRRLWKAFHALWCIUJABPSZXEYNZKZQRMLJXINQGMKGBUVELZXU", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-059", "text": "CUTNJRBTBLAVYDSIKJOZDYNWYERBOTBXRVVMXUYHSQVZBNJIKUHIJTEIZFQAEHKBPMLANMKXOTDCHUBXXRRHMKZIWFBRLSPFQXMRRKNFWVDPIUGHWMDJUMSKLVZRFXCEPFGQBMQHVORCLOZUGIMJ", "ciphertext": "CUTNJRBTBLAVYDSIKJOZDYNWYERBOTBXRVVMXUYHSQVZBNJIKUHIJTEIZFQAEHKBPMLANMKXOTDCHUBXXRRHMKZIWFBRLSPFQXMRRKNFWVDPIUGHWMDJUMSKLVZRFXCEPFGQBMQHVORCLOZUGIMJ", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "TYPEX"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012328", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a17⟩ ⟨a31⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w22⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a17⟩ ⟨a31⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w22⟩", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE VIGENERE CIPHER USES A REPEATING KEYWORD TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 154, "length": 154, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "diana-v2-0752", "text": "QMGPQCNFTSQGVWYRBPVPQYGFNELQIQUABYWSFSCEPLRUFQEHASWEGEUMNDKAAPYJTEFYULRQOHQJQXQZMIJLCQUFOPYCUXPIRIJWATVZIBJHTXGELCRPIPKWDYIKWAWQBTPUQWPYIXOZEGEIAKXWQAB", "ciphertext": "QMGPQCNFTSQGVWYRBPVPQYGFNELQIQUABYWSFSCEPLRUFQEHASWEGEUMNDKAAPYJTEFYULRQOHQJQXQZMIJLCQUFOPYCUXPIRIJWATVZIBJHTXGELCRPIPKWDYIKWAWQBTPUQWPYIXOZEGEIAKXWQAB", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0188", "text": "09902 09903 09904 09993 09906 09907 09903 09902 09907 09996 09999 09900 09900 09990 09993 09996 09993 09900 09992 09908 09903 09999 09902 09907 09911 09993 09906 09994 09903 09906 09999 09991 09999 09904 09997 09908 09999 09900 09991 09906 09997 09901 09993 09919 09902 09900 09993 09907 09907 09903 09902 09904 09906 09993 09907 09993 09902 09908 09901 09993 09902 09908 09903 09994 09999 09995 09906 09999 09902 09992 09998 09919 09906 09913", "ciphertext": "09902 09903 09904 09993 09906 09907 09903 09902 09907 09996 09999 09900 09900 09990 09993 09996 09993 09900 09992 09908 09903 09999 09902 09907 09911 09993 09906 09994 09903 09906 09999 09991 09999 09904 09997 09908 09999 09900 09991 09906 09997 09901 09993 09919 09902 09900 09993 09907 09907 09903 09902 09904 09906 09993 09907 09993 09902 09908 09901 09993 09902 09908 09903 09994 09999 09995 09906 09999 09902 09992 09998 09919 09906 09913", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 370, "length": 443, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0052", "text": "BYRZYXNDCHTGYKADZHITQUWHGQYONGYYTOUXSHXBUEWVRNBIUYRLYIXFHAEIAHVZDISIIAUX", "ciphertext": "BYRZYXNDCHTGYKADZHITQUWHGQYONGYYTOUXSHXBUEWVRNBIUYRLYIXFHAEIAHVZDISIIAUX", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0018", "text": "DIJRPPNXFNKKG", "ciphertext": "DIJRPPNXFNKKG", "plaintext": "AWAIT MY SIGNAL", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014591", "text": "25 88 23 3 27 59 30 61 22 70 87 23 21 66 63 94 23 34 86 34 66 60 48 50 60 48 53 60 66 99 2 98 59 57 98 82 24 63 27 25 91 22 34 99", "ciphertext": "25 88 23 3 27 59 30 61 22 70 87 23 21 66 63 94 23 34 86 34 66 60 48 50 60 48 53 60 66 99 2 98 59 57 98 82 24 63 27 25 91 22 34 99", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0013093", "text": "2.3.12 3.34.13 10.25.11 7.48.9 19.39.3 14.50.5 3.42.2 12.37.9 13.8.12 12.15.6 7.34.2 11.49.5 5.43.2 18.16.1 16.26.12 3.2.9 15.21.6 4.27.1 2.42.8 5.43.8 8.36.5 17.25.13 4.8.11 5.23.7 10.28.11 10.39.10 11.9.10 5.20.3 16.8.15 3.10.9 10.8.11 17.34.1 5.35.6 8.43.2 12.6.13 6.16.2 12.38.15 10.20.14 20.29.5 8.28.3 13.14.14 4.10.15 10.46.8 19.20.13 7.47.9 15.34.10 1.42.15 19.45.5 16.22.8 18.3.1 1.38.12 5.5.8 4.49.8 4.10.4 6.23.2 6.34.8 1.11.11 19.5.6 1.1.8 16.40.7 4.45.14 10.16.9 16.41.15 6.50.10 18.1.3 14.2.10 9.12.1 18.36.2 17.14.7 12.16.8 1.29.1 4.11.5 15.31.10 8.11.11 13.28.9 12.45.10 3.1.2 14.23.4 15.42.14 1.10.13 2.29.13 2.2.7 20.24.8 7.40.7 16.37.4 20.30.7 9.11.11 12.32.10 8.11.10 10.49.14 18.49.12 8.5.8 7.48.11 1.16.13 18.17.11 18.3.4 5.22.1 16.14.2 2.26.3 13.15.8 12.10.8 12.29.4 15.14.2 7.24.6 9.50.1 7.14.13 4.36.2 14.18.14 14.40.7 10.47.15 4.13.2 8.50.14 2.9.15 10.25.3 13.15.5 15.1.10 3.44.5 7.38.1 17.3.1 16.32.2 9.7.4 6.49.8 18.18.12 11.21.11 11.7.13 7.35.14 8.38.7 1.31.10 1.39.15 1.49.7 20.37.1 4.46.4 15.33.11 17.32.2 6.27.1 2.16.8 5.46.1 6.5.8 9.5.11 4.37.3 13.22.9 16.42.5 18.22.2 9.12.10 19.37.10 4.43.9 5.50.5 20.8.8 12.33.14 5.16.2 10.36.10 18.32.5 9.17.14 12.50.9 13.9.1 9.12.10 20.21.13 5.38.4 9.17.3 13.48.9 10.1.2 18.46.12 7.22.6 16.47.13 17.40.1 14.40.6 13.5.14 20.25.3 5.49.7 1.21.1 6.8.11 6.31.4 20.31.8 13.4.1 10.41.5 9.13.8 19.34.4 5.21.1 8.5.13 4.19.14 2.25.9 12.22.6 12.25.13 2.44.10 16.37.1 7.2.15 19.4.11 12.17.3 7.4.15 13.50.1 16.15.3 8.7.7 11.43.12 15.35.13 19.16.8 5.36.11 18.50.8 8.24.15", "ciphertext": "2.3.12 3.34.13 10.25.11 7.48.9 19.39.3 14.50.5 3.42.2 12.37.9 13.8.12 12.15.6 7.34.2 11.49.5 5.43.2 18.16.1 16.26.12 3.2.9 15.21.6 4.27.1 2.42.8 5.43.8 8.36.5 17.25.13 4.8.11 5.23.7 10.28.11 10.39.10 11.9.10 5.20.3 16.8.15 3.10.9 10.8.11 17.34.1 5.35.6 8.43.2 12.6.13 6.16.2 12.38.15 10.20.14 20.29.5 8.28.3 13.14.14 4.10.15 10.46.8 19.20.13 7.47.9 15.34.10 1.42.15 19.45.5 16.22.8 18.3.1 1.38.12 5.5.8 4.49.8 4.10.4 6.23.2 6.34.8 1.11.11 19.5.6 1.1.8 16.40.7 4.45.14 10.16.9 16.41.15 6.50.10 18.1.3 14.2.10 9.12.1 18.36.2 17.14.7 12.16.8 1.29.1 4.11.5 15.31.10 8.11.11 13.28.9 12.45.10 3.1.2 14.23.4 15.42.14 1.10.13 2.29.13 2.2.7 20.24.8 7.40.7 16.37.4 20.30.7 9.11.11 12.32.10 8.11.10 10.49.14 18.49.12 8.5.8 7.48.11 1.16.13 18.17.11 18.3.4 5.22.1 16.14.2 2.26.3 13.15.8 12.10.8 12.29.4 15.14.2 7.24.6 9.50.1 7.14.13 4.36.2 14.18.14 14.40.7 10.47.15 4.13.2 8.50.14 2.9.15 10.25.3 13.15.5 15.1.10 3.44.5 7.38.1 17.3.1 16.32.2 9.7.4 6.49.8 18.18.12 11.21.11 11.7.13 7.35.14 8.38.7 1.31.10 1.39.15 1.49.7 20.37.1 4.46.4 15.33.11 17.32.2 6.27.1 2.16.8 5.46.1 6.5.8 9.5.11 4.37.3 13.22.9 16.42.5 18.22.2 9.12.10 19.37.10 4.43.9 5.50.5 20.8.8 12.33.14 5.16.2 10.36.10 18.32.5 9.17.14 12.50.9 13.9.1 9.12.10 20.21.13 5.38.4 9.17.3 13.48.9 10.1.2 18.46.12 7.22.6 16.47.13 17.40.1 14.40.6 13.5.14 20.25.3 5.49.7 1.21.1 6.8.11 6.31.4 20.31.8 13.4.1 10.41.5 9.13.8 19.34.4 5.21.1 8.5.13 4.19.14 2.25.9 12.22.6 12.25.13 2.44.10 16.37.1 7.2.15 19.4.11 12.17.3 7.4.15 13.50.1 16.15.3 8.7.7 11.43.12 15.35.13 19.16.8 5.36.11 18.50.8 8.24.15", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 198, "length": 198, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "hill-v3-0076", "text": "XDRPBCYOPFABPVPFIENNXISMLDOXSYNKBGGOCDJGCBOGIHCIVTKWWSBUSCXZFMTCMAGPXZNPTF", "ciphertext": "XDRPBCYOPFABPVPFIENNXISMLDOXSYNKBGGOCDJGCBOGIHCIVTKWWSBUSCXZFMTCMAGPXZNPTF", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0313", "text": "WZKSFWULVHIWYAVCVQLVHQIVHYUQLYVUSFWULVHQIVHYUQLIWYAVCVQLVHUVAWLWYAWPSWLZ", "ciphertext": "WZKSFWULVHIWYAVCVQLVHQIVHYUQLYVUSFWULVHQIVHYUQLIWYAVCVQLVHUVAWLWYAWPSWLZ", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0378", "text": "NKOMSDYRMMIKNUDKVWDEYSUOEZMWEBSOOMMKQGCVZXHQYIXMMBKDBJKSRBFDZHZGTAMEYWKTDIDKWLJFHKZYYNJGZBXICVNFVUXMYCLVRARSOZUYOQNVKKRARFWRMQWQNCZMUDKHIHMMPSXIFNXWKBWOGYODYIZUYTSFDRVDCUSJFVZAJOS", "ciphertext": "NKOMSDYRMMIKNUDKVWDEYSUOEZMWEBSOOMMKQGCVZXHQYIXMMBKDBJKSRBFDZHZGTAMEYWKTDIDKWLJFHKZYYNJGZBXICVNFVUXMYCLVRARSOZUYOQNVKKRARFWRMQWQNCZMUDKHIHMMPSXIFNXWKBWOGYODYIZUYTSFDRVDCUSJFVZAJOS", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013775", "text": "AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB AAABB ABAAA AABAB AABAB ABAAA AABAA AAAAA ABBAA AAABB AABBB AABAA ABABA ABABA ABABB AAAAA ABBAA ABAAA ABBAA BAABA BAAAA ABBAB AAABB BAABB AAABA AABAA AAABB ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAB AABAA BABBA AAABA BAAAA BABBA ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBA ABAAA ABBAA ABBAA ABAAA ABBAA AABAA BAABA AABAA AABAA ABBAA BAAAB AABAA BAABB AABAA ABBAA BAABA BABBA BAAAB ABAAA BABAB", "ciphertext": "AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB AAABB ABAAA AABAB AABAB ABAAA AABAA AAAAA ABBAA AAABB AABBB AABAA ABABA ABABA ABABB AAAAA ABBAA ABAAA ABBAA BAABA BAAAA ABBAB AAABB BAABB AAABA AABAA AAABB ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAB AABAA BABBA AAABA BAAAA BABBA ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBA ABAAA ABBAA ABBAA ABAAA ABBAA AABAA BAABA AABAA AABAA ABBAA BAAAB AABAA BAABB AABAA ABBAA BAABA BABBA BAAAB ABAAA BABAB", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 560, "length": 560, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0019630", "text": "24 45 26 64 33 64 32 87 82 60 59 45 99 1 39 68 45 26 30 43 23 53 63 39 82 59 15 60 88 48 59 34 30 49 40 49 60 11 88 66 50 68 72 58 49 87 82 39 21 93 63 17 33 3 50 27 34 48 25 22 27 87 88 48 58 43 81 26 25 63 3 72 25 22 87 25 93 76 15 1 50 21 41 68 27 30 23 93 43 82 58 26 62 14 11 48 64 67 41 43 63 27 3 25 2 81 11 60 26 23 99 35 3 41 63 60 4 22 11 11 27 57 23 11 68 17 48 96 49 67 34 1 58 92 63 3 23 11 22 58 79 23 11 80 81 76 78 39 22 62 24 23 46 76 58 60 17 23 21 26 40 40 14 99 66 25 41", "ciphertext": "24 45 26 64 33 64 32 87 82 60 59 45 99 1 39 68 45 26 30 43 23 53 63 39 82 59 15 60 88 48 59 34 30 49 40 49 60 11 88 66 50 68 72 58 49 87 82 39 21 93 63 17 33 3 50 27 34 48 25 22 27 87 88 48 58 43 81 26 25 63 3 72 25 22 87 25 93 76 15 1 50 21 41 68 27 30 23 93 43 82 58 26 62 14 11 48 64 67 41 43 63 27 3 25 2 81 11 60 26 23 99 35 3 41 63 60 4 22 11 11 27 57 23 11 68 17 48 96 49 67 34 1 58 92 63 3 23 11 22 58 79 23 11 80 81 76 78 39 22 62 24 23 46 76 58 60 17 23 21 26 40 40 14 99 66 25 41", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 167, "length": 167, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "argenti-v3-0164", "text": "84 82 28 67 71 83 17 70 37 18 20 26 41 89 82 66 60 56 72 71 63 32 83 41 44 37 23 66 18 20 65 28 77 26 83 64 17 27 12 20 63 37 82 67 23 32 83 66 18 20 75 72 11 82 59 25 12 56 83 32 88 67 28 79 20 34 63 65 28 77 41 83 56 22", "ciphertext": "84 82 28 67 71 83 17 70 37 18 20 26 41 89 82 66 60 56 72 71 63 32 83 41 44 37 23 66 18 20 65 28 77 26 83 64 17 27 12 20 63 37 82 67 23 32 83 66 18 20 75 72 11 82 59 25 12 56 83 32 88 67 28 79 20 34 63 65 28 77 41 83 56 22", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0031", "text": "ZXRZYXYYJRJXGGYNOQBPJ", "ciphertext": "ZXRZYXYYJRJXGGYNOQBPJ", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0322", "text": "CPCPGJKUHYGWTTXP", "ciphertext": "CPCPGJKUHYGWTTXP", "plaintext": "PER ASPERA AD ASTRA", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006796", "text": "GEOAFCBFNGVBA QNCUSEF EROEEOATR YRGGREF JVGUBHG FHPFGVGHGVBA GVR EOVY TRAQR QNCUSE JEVGSF GSKG WA O MVTMOT COGGREA XREPXVBSTF CEVAQVCYR FOLF GUR FLFGRZ ZHFG PR FRQHER SINA VS SANZL XABJF OYUBENGUZ", "ciphertext": "GEOAFCBFNGVBA QNCUSEF EROEEOATR YRGGREF JVGUBHG FHPFGVGHGVBA GVR EOVY TRAQR QNCUSE JEVGSF GSKG WA O MVTMOT COGGREA XREPXVBSTF CEVAQVCYR FOLF GUR FLFGRZ ZHFG PR FRQHER SINA VS SANZL XABJF OYUBENGUZ", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v2-0081", "text": "0918 0074 1346 0285 1255 1599 0012 1421 0538 0918 0856 0285 1748 1024 0285 1255 0538 0792 0285 0856 1421 0012 0856 0219 1255 0285 0012 1346 0918 0856 0012 1255 0285 1421 0472 0285 1421 0472 1255 0285 0285 1024 0538 0729 0729 0012 1255 1346 0918 0347 0012 0729 0729 1346 0156 0538 0285 0856 1421 0538 0347 0538 0156 0538 0856 1187 1503 0538 1255 1821 0012 0856 0219 1024 1255 0918 0408 1255 0285 1346 1346", "ciphertext": "0918 0074 1346 0285 1255 1599 0012 1421 0538 0918 0856 0285 1748 1024 0285 1255 0538 0792 0285 0856 1421 0012 0856 0219 1255 0285 0012 1346 0918 0856 0012 1255 0285 1421 0472 0285 1421 0472 1255 0285 0285 1024 0538 0729 0729 0012 1255 1346 0918 0347 0012 0729 0729 1346 0156 0538 0285 0856 1421 0538 0347 0538 0156 0538 0856 1187 1503 0538 1255 1821 0012 0856 0219 1024 1255 0918 0408 1255 0285 1346 1346", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 324, "length": 404, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0022", "text": "BABYPCOLXRTRQKDTAL", "ciphertext": "BABYPCOLXRTRQKDTAL", "plaintext": "DEAD MEN TELL NO TALES", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0098", "text": "+MRODMWUAYDOLMJMXPAWINPEZKND++NTGWHWTUEEOUPFOASBWHVUDDGQGLWMPPHHHCJZUHUBYOVIJLFUNUMYKSDDSCPRJHDAFQE+HUNEEPRLMVPDPHXEGYHDCRZJKUPPEQJGTSHBXLGJOIDIOCNXJQGGPQVDCEUJ", "ciphertext": "+MRODMWUAYDOLMJMXPAWINPEZKND++NTGWHWTUEEOUPFOASBWHVUDDGQGLWMPPHHHCJZUHUBYOVIJLFUNUMYKSDDSCPRJHDAFQE+HUNEEPRLMVPDPHXEGYHDCRZJKUPPEQJGTSHBXLGJOIDIOCNXJQGGPQVDCEUJ", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0546", "text": "GDAFAFAGDAAFGFDADDXVXDVGFXGVDVXVAGAGAGAADFFDADDXVGGFVGVFFFDXFDGVFVDVGVXFGVXXVVDFADGFFAAGFGDGAA", "ciphertext": "GDAFAFAGDAAFGFDADDXVXDVGFXGVDVXVAGAGAGAADFFDADDXVGGFVGVFFFDXFDGVFVDVGVXFGVXXVVDFADGFFAAGFGDGAA", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 94, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0136", "text": "20812225232223568376232296229744", "ciphertext": "20812225232223568376232296229744", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v3-0068", "text": "TFHEIISNHISTVTSELHEIUPIEETSXRIRNELGSPHTETSNAXXTDEHDITEEIMLEEEEXXDMIUIASDOTTMNNOTX", "ciphertext": "TFHEIISNHISTVTSELHEIUPIEETSXRIRNELGSPHTETSNAXXTDEHDITEEIMLEEEEXXDMIUIASDOTTMNNOTX", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-006", "text": "170 153 127 132 178 168 170 163 151 122 113", "ciphertext": "170 153 127 132 178 168 170 163 151 122 113", "plaintext": "PROCEED AS PLANNED", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LOUIS"}, "difficulty": "expert", "language": "en", "text_length": 33, "length": 43, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0007451", "text": "EPFRR TFBAI CKWYM LLQNF UQSRS GTVGS OLMZV YJXOE UHXVV AMYIL XWWQZ WHTNW MVFHB XYSIR EBONB XGXAS UFOPO EFAXK BLRZW IGBKR OMDWH TIEPE LNVVX CIJNI EHPHY MXEKZ XBAHE XBNMM FALOK WWYRH DSUWH OXDOF ELZTO OSTTR ZUCWM QVMNJ GG", "ciphertext": "EPFRR TFBAI CKWYM LLQNF UQSRS GTVGS OLMZV YJXOE UHXVV AMYIL XWWQZ WHTNW MVFHB XYSIR EBONB XGXAS UFOPO EFAXK BLRZW IGBKR OMDWH TIEPE LNVVX CIJNI EHPHY MXEKZ XBAHE XBNMM FALOK WWYRH DSUWH OXDOF ELZTO OSTTR ZUCWM QVMNJ GG", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "autokey", "cipher": "autokey", "key": {"primer": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bazeries-v3-0100", "text": "JSIIDSGHTRKOLQJNTPKLWQSCQRKCPTQVSNHSYHJKNOKVVKQBJDIQSCQEIDXSVDCWYSVTWCCQQSJTISPTWTIDQCQHHDPQDQSNHRKCIKVTEDJRSTSPOTUQWSHHSVPDCOKBTQDHSVDSOTLINTUDQTJDATSOKIPYQRNH", "ciphertext": "JSIIDSGHTRKOLQJNTPKLWQSCQRKCPTQVSNHSYHJKNOKVVKQBJDIQSCQEIDXSVDCWYSVTWCCQQSJTISPTWTIDQCQHHDPQDQSNHRKCIKVTEDJRSTSPOTUQWSHHSVPDCOKBTQDHSVDSOTLINTUDQTJDATSOKIPYQRNH", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-327", "text": "UJHXWBRLWXFV", "ciphertext": "UJHXWBRLWXFV", "plaintext": "THE TRAP IS SET", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "12345"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012955", "text": "HUMAN READA BLEOZ TPUTX HOULD SHOWA LLREX SONIN GSTEP SEDEZ", "ciphertext": "HUMAN READA BLEOZ TPUTX HOULD SHOWA LLREX SONIN GSTEP SEDEZ", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v3-0262", "text": "WWAKOFUWWMJFDIHVWWD7UA7VXEK7UZQIMJCAVRMIG6A7VCNAPJVJXNNCI7XDLDKFCEPI", "ciphertext": "WWAKOFUWWMJFDIHVWWD7UA7VXEK7UZQIMJCAVRMIG6A7VCNAPJVJXNNCI7XDLDKFCEPI", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v2-0109", "text": "FTELLNGHUESMWOANSETESHSEATTSETSTNERIRBUSETRCGCIHRDEHAETYTGUTRSAFMSCMRTFPRLVAROEALROIRPFHDEEDTEEDRTBOSENTTWIAFOEMAHPELEUEOPONOOEIOEDDETEUOSIOIHEEGNPINELNSOIRELEUFNJN", "ciphertext": "FTELLNGHUESMWOANSETESHSEATTSETSTNERIRBUSETRCGCIHRDEHAETYTGUTRSAFMSCMRTFPRLVAROEALROIRPFHDEEDTEEDRTBOSENTTWIAFOEMAHPELEUEOPONOOEIOEDDETEUOSIOIHEEGNPINELNSOIRELEUFNJN", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012197", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a17⟩ ⟨a31⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w08⟩ ⟨w22⟩ ⟨w32⟩ ⟨w22⟩ ⟨w38⟩ ⟨w32⟩ ⟨w20⟩ ⟨a37⟩ ⟨w08⟩ ⟨w04⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨w04⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a17⟩ ⟨a31⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w08⟩ ⟨w22⟩ ⟨w32⟩ ⟨w22⟩ ⟨w38⟩ ⟨w32⟩ ⟨w20⟩ ⟨a37⟩ ⟨w08⟩ ⟨w04⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨w04⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "monoalphabetic-031", "text": "VA FMJR SFAQA SPTSFQ SM EA QAJC AUGRALS SFZS ZJJ KAL ZPA BPAZSAR AOTZJ", "ciphertext": "VA FMJR SFAQA SPTSFQ SM EA QAJC AUGRALS SFZS ZJJ KAL ZPA BPAZSAR AOTZJ", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ZEBRA"}, "difficulty": "beginner", "language": "en", "text_length": 57, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-172", "text": "FKQDTETBFKKFKBWSPQDTWLORSKRQDTWLORWSPWFQDBLRSKRAUIILABOSCT", "ciphertext": "FKQDTETBFKKFKBWSPQDTWLORSKRQDTWLORWSPWFQDBLRSKRAUIILABOSCT", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0331", "text": "PEZBATRZDZJYCSMQNXQIMTAQEHKJYKZSVOKBRFNQFJXPZGUPZKUKOHNGHLTAIHXOUCVBRNGBBERBGXQ", "ciphertext": "PEZBATRZDZJYCSMQNXQIMTAQEHKJYKZSVOKBRFNQFJXPZGUPZKUKOHNGHLTAIHXOUCVBRNGBBERBGXQ", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014986", "text": "1.12.12 14.9.12 16.41.6 1.25.12 20.26.12 4.47.14 2.19.10 18.33.2 7.15.14 6.31.3 2.20.13 4.49.5 2.30.12 10.50.12 1.19.9 9.34.12 1.19.2 1.15.6 6.27.10 6.42.6 7.21.13 8.25.8 19.37.12 1.23.1 13.10.5 3.50.13 20.24.10 20.33.1 11.35.8 9.12.4 12.46.1 7.25.15 10.28.11 8.14.13 16.13.6 18.5.13 3.6.14 19.23.6 16.44.2 20.49.15 16.18.9 17.46.9 9.29.3 20.27.8 10.48.2 11.23.4 18.36.14 14.43.1 8.24.9 13.2.12 15.26.7 2.28.8 7.7.3", "ciphertext": "1.12.12 14.9.12 16.41.6 1.25.12 20.26.12 4.47.14 2.19.10 18.33.2 7.15.14 6.31.3 2.20.13 4.49.5 2.30.12 10.50.12 1.19.9 9.34.12 1.19.2 1.15.6 6.27.10 6.42.6 7.21.13 8.25.8 19.37.12 1.23.1 13.10.5 3.50.13 20.24.10 20.33.1 11.35.8 9.12.4 12.46.1 7.25.15 10.28.11 8.14.13 16.13.6 18.5.13 3.6.14 19.23.6 16.44.2 20.49.15 16.18.9 17.46.9 9.29.3 20.27.8 10.48.2 11.23.4 18.36.14 14.43.1 8.24.9 13.2.12 15.26.7 2.28.8 7.7.3", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CAREFULLY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0637", "text": "NQIXSMZZXZANSL", "ciphertext": "NQIXSMZZXZANSL", "plaintext": "SIGNAL FIRES LIT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-293", "text": "DSNCBWKVUSVXKSERLVINNLKUWVYTCIEFXOFEHRUGZSMMHVJTGRUKRJFEWJYK", "ciphertext": "DSNCBWKVUSVXKSERLVINNLKUWVYTCIEFXOFEHRUGZSMMHVJTGRUKRJFEWJYK", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SOUTHERN"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v2-0174", "text": "RTNATSJRITFZMGGDXMCUPSNFYUCUUBULJBKTQDYDPAOHZMCDIBUVZZVIVAIYQOGVKIIL", "ciphertext": "RTNATSJRITFZMGGDXMCUPSNFYUCUUBULJBKTQDYDPAOHZMCDIBUVZZVIVAIYQOGVKIIL", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0529", "text": "KRGQWKHGGJWNYFSK", "ciphertext": "KRGQWKHGGJWNYFSK", "plaintext": "RENDER UNTO CAESAR", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PAPAL"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0188", "text": "KWAUOLZWLOFKWXQUYMBULVDRRSRLGBPLUZPCSAHVSBRVZZPHRUPWNZBOMDKIKLXMDEKKVQTHCMYMK", "ciphertext": "KWAUOLZWLOFKWXQUYMBULVDRRSRLGBPLUZPCSAHVSBRVZZPHRUPWNZBOMDKIKLXMDEKKVQTHCMYMK", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0844", "text": "NTXWQEZNZAPDKU", "ciphertext": "NTXWQEZNZAPDKU", "plaintext": "TRUST BUT VERIFY", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020016", "text": "group radio opens north swift final eight lines draft upper seeks enemy seeks again delay inner given input three south enemy quiet unite early naval", "ciphertext": "group radio opens north swift final eight lines draft upper seeks enemy seeks again delay inner given input three south enemy quiet unite early naval", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE BEST LESSONS SHOW WHERE THE METHOD FAILS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "beaufort-v2-1035", "text": "GQCFDNDZJLTJC", "ciphertext": "GQCFDNDZJLTJC", "plaintext": "HONOR ABOVE ALL", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NEPTUNE"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0523", "text": "DFAFFFAAGXFDXFDAFGGGGDADGDAAAFFFGFGXGAAGGDXAFFGXGAGFDGGXXXFAFAGXDFADFGGGDAAGFXFAAGFAFDFDGGDGXDDXXFDFAXGGDAFXGFADGGADFXDXAGAAXAXAADFXFADDFDDXXXDFXAFAAAAAAFAAFFFAAXFFAGAFGAAGGA", "ciphertext": "DFAFFFAAGXFDXFDAFGGGGDADGDAAAFFFGFGXGAAGGDXAFFGXGAGFDGGXXXFAFAGXDFADFGGGDAAGFXFAAGFAFDFDGGDGXDDXXFDFAXGGDAFXGFADGGADFXDXAGAAXAXAADFXFADDFDDXXXDFXAFAAAAAAFAAFFFAAXFFAGAFGAAGGA", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 174, "length": 174, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020359", "text": "63 82 68 25 23 3 15 86 26 58 52 11 17 48 39 63 67 58 33 1 80 4 26 15 26 27 30 63 88 82 67 23 91 59 87 50 32 67 50 25 59 91 32 60 49 72 99 63 26 96 92 1 30 63 88 1 67 33 68 59 35 87 49 63 94 48 3 11 14 11 22 40 32 39 91 49 63 39 48 82 39 63 17 2 67 22 25 11 94 93 46 60 11", "ciphertext": "63 82 68 25 23 3 15 86 26 58 52 11 17 48 39 63 67 58 33 1 80 4 26 15 26 27 30 63 88 82 67 23 91 59 87 50 32 67 50 25 59 91 32 60 49 72 99 63 26 96 92 1 30 63 88 1 67 33 68 59 35 87 49 63 94 48 3 11 14 11 22 40 32 39 91 49 63 39 48 82 39 63 17 2 67 22 25 11 94 93 46 60 11", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "purple-v2-0315", "text": "FZPKJLCUZIDEDUZXHIAILUYPXQEKMBYYDTYUAKXSUWWCVCYDVJEOOPUPWDFZIHPZOJMQOJKLAD", "ciphertext": "FZPKJLCUZIDEDUZXHIAILUYPXQEKMBYYDTYUAKXSUWWCVCYDVJEOOPUPWDFZIHPZOJMQOJKLAD", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0189", "text": "184846091453609086888586858948090836909348983859158062908505956228588801082908590836908469418479593831283934260690908348968449018449315590836901908983859158074285844691019248889655693908318926904828588126518486488690192480481104898485886580919095", "ciphertext": "184846091453609086888586858948090836909348983859158062908505956228588801082908590836908469418479593831283934260690908348968449018449315590836901908983859158074285844691019248889655693908318926904828588126518486488690192480481104898485886580919095", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 246, "length": 246, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-275", "text": "IRPTNNOAEHSHOEWMLHYAROAEITSLETRHSOIAESTTCI", "ciphertext": "IRPTNNOAEHSHOEWMLHYAROAEITSLETRHSOIAESTTCI", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 6}, "difficulty": "intermediate", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v2-0740", "text": "SGESLNDUHHFNSWFTSLURHHBWFTINATIDTEIHWNREIHELONOSGEAESLNLLSEWFTHATAREIHSHTLILARDATEEIHNDLIEIRSGEEERLOASGEGSLNLNEHHHSVELNCHHLGWFTDTEATIHEN", "ciphertext": "SGESLNDUHHFNSWFTSLURHHBWFTINATIDTEIHWNREIHELONOSGEAESLNLLSEWFTHATAREIHSHTLILARDATEEIHNDLIEIRSGEEERLOASGEGSLNLNEHHHSVELNCHHLGWFTDTEATIHEN", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0294", "text": "WMM JTGFKYF VKGY KG YWECGWMZITX ZY EQT CYZETX FEWETF WGT UZEZITYF FCVPTUE EK THCWM JGKETUEZKY", "ciphertext": "WMM JTGFKYF VKGY KG YWECGWMZITX ZY EQT CYZETX FEWETF WGT UZEZITYF FCVPTUE EK THCWM JGKETUEZKY", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-007", "text": "DCSSYPJWTNRORPB", "ciphertext": "DCSSYPJWTNRORPB", "plaintext": "ABORT MISSION NOW", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31415"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v2-0229", "text": "60 01 13 02 01 19 19 01 04 15 18 08 01 19 18 05 03 05 09 22 05 04 15 21 18 13 15 19 20 21 18 07 05 14 20 04 09 19 16 01 20 03 08 05 19 61 01 23 01 09 20 19 09 14 19 20 18 21 03 20 09 15 14 19 06 18 15 13 80 08 17", "ciphertext": "60 01 13 02 01 19 19 01 04 15 18 08 01 19 18 05 03 05 09 22 05 04 15 21 18 13 15 19 20 21 18 07 05 14 20 04 09 19 16 01 20 03 08 05 19 61 01 23 01 09 20 19 09 14 19 20 18 21 03 20 09 15 14 19 06 18 15 13 80 08 17", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 142, "length": 212, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0417", "text": "MJRKQENTQSEJQPESIALFRG", "ciphertext": "MJRKQENTQSEJQPESIALFRG", "plaintext": "THE ORACLE HAS SPOKEN", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014412", "text": "⟨a19⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨w26⟩ ⟨a19⟩ ⟨w32⟩ ⟨a17⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w20⟩ ⟨a17⟩ ⟨w26⟩ ⟨w20⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨w04⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩", "ciphertext": "⟨a19⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨w26⟩ ⟨a19⟩ ⟨w32⟩ ⟨a17⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w20⟩ ⟨a17⟩ ⟨w26⟩ ⟨w20⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨w04⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v2-0013", "text": "ABIGBPMKWCZAM", "ciphertext": "ABIGBPMKWCZAM", "plaintext": "STAY THE COURSE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0130", "text": "AWQLWHEOONYIYE", "ciphertext": "AWQLWHEOONYIYE", "plaintext": "STORM THE BREACH", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0023", "text": "HEKFOESXPETVV", "ciphertext": "HEKFOESXPETVV", "plaintext": "FULL SAIL AHEAD", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-fr-113", "text": "TPROHEGGZGTZQFAZXDSWLVPWA", "ciphertext": "TPROHEGGZGTZQFAZXDSWLVPWA", "plaintext": "IL FAUT CULTIVER NOTRE JARDIN", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LEMON"}, "difficulty": "intermediate", "language": "fr", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v3-0340", "text": "BNQIJTGGBQYMYYPSJXBAVYAQPYQ", "ciphertext": "BNQIJTGGBQYMYYPSJXBAVYAQPYQ", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004024", "text": "TSWES AEATT RERSO TSEHE TFUTC YRITM CIROA EINIT THSHE OEHHR CRRNU SDREE CSMUE LLRRO TARTI IRTES SRCEO RNBES EDPIY OSOEE NBRNL EDISY XCTEA CCIEA ACUIF PPLFT SSTHH AAHTL MSIDP DCLIC RYAXX RMNHP APGRA PLUES EYIEO LEWML FRPTL YHGEE ASHWS AEX", "ciphertext": "TSWES AEATT RERSO TSEHE TFUTC YRITM CIROA EINIT THSHE OEHHR CRRNU SDREE CSMUE LLRRO TARTI IRTES SRCEO RNBES EDPIY OSOEE NBRNL EDISY XCTEA CCIEA ACUIF PPLFT SSTHH AAHTL MSIDP DCLIC RYAXX RMNHP APGRA PLUES EYIEO LEWML FRPTL YHGEE ASHWS AEX", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS CAREFULLY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 198, "length": 198, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0012744", "text": ".--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - - . .-. / .. -. / .-. . ... . .- .-. -.-. .... / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.--", "ciphertext": ".--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - - . .-. / .. -. / .-. . ... . .- .-. -.-. .... / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.--", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 87, "length": 87, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "null-cipher-059", "text": "will into iouc think find into new mean raea will call long outa that place its", "ciphertext": "will into iouc think find into new mean raea will call long outa that place its", "plaintext": "LOCK DOWN ALL GATES", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "last"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 79, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v2-0074", "text": "UVEJBFWULDVDMGQUTTKIKIZWRHWEVWLGIXIPUJAWTWYNOBJTSXIHJXELOQNFNFFRWPGNGVNRBEQAQ", "ciphertext": "UVEJBFWULDVDMGQUTTKIKIZWRHWEVWLGIXIPUJAWTWYNOBJTSXIHJXELOQNFNFFRWPGNGVNRBEQAQ", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-104", "text": "WFKEVFQSNODKASHZLBYHLNKFUPLSKSWYWKZCLSEUILPVIREPCNFHBAUBJ", "ciphertext": "WFKEVFQSNODKASHZLBYHLNKFUPLSKSWYWKZCLSEUILPVIREPCNFHBAUBJ", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "CRYPTONOMICON"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-116", "text": "TIFNSIHMNZESQLMAAMHLRSCUNTHDYKFPFORVDTOOFGZFBCEERNPVIUSE+YRKQDYAYSXKHIQCIAEOPEKAK+YPEQQCNBRTSEIGSPAWREUBJEAAEZCKGS+KGXGFFQMKKIJOZTTCFNSFCNNLRRKLWDPKN", "ciphertext": "TIFNSIHMNZESQLMAAMHLRSCUNTHDYKFPFORVDTOOFGZFBCEERNPVIUSE+YRKQDYAYSXKHIQCIAEOPEKAK+YPEQQCNBRTSEIGSPAWREUBJEAAEZCKGS+KGXGFFQMKKIJOZTTCFNSFCNNLRRKLWDPKN", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 149, "length": 149, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v2-0470", "text": "WURPMUEOLPRQOOORRQRIZRSY", "ciphertext": "WURPMUEOLPRQOOORRQRIZRSY", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-102", "text": "TNTJLTBBOZRQRAKIKFUGIMTAQXWAHSQDYVNUTSFDAJXKOKDKPOHAPQQOWBYESNWA", "ciphertext": "TNTJLTBBOZRQRAKIKFUGIMTAQXWAHSQDYVNUTSFDAJXKOKDKPOHAPQQOWBYESNWA", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014907", "text": "HNSPCKIYAJRZEKPZBDJYWUPGHTPFWEFQTXOXFDPOFXXNCZTRJOIHFHASIKUGGYOTCOCDPQAVBFDYINPOMCRAVXFGXTLJUJBXLRIHYFEDKUPNPJYCQJVGUHAOIXOGQWENEDVBDYUOASIA", "ciphertext": "HNSPCKIYAJRZEKPZBDJYWUPGHTPFWEFQTXOXFDPOFXXNCZTRJOIHFHASIKUGGYOTCOCDPQAVBFDYINPOMCRAVXFGXTLJUJBXLRIHYFEDKUPNPJYCQJVGUHAOIXOGQWENEDVBDYUOASIA", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v2-0287", "text": "86245217422407234", "ciphertext": "86245217422407234", "plaintext": "IN GOD WE TRUST", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-014", "text": "FCELS+WRBRCFDTJT", "ciphertext": "FCELS+WRBRCFDTJT", "plaintext": "ALL IS LOST RETREAT", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FELIX"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021194", "text": "EDFRV NQREG NTAGV FLSDX MITGA PHTZX HUADL ESOXW CHBYE OIUID ASGGX S", "ciphertext": "EDFRV NQREG NTAGV FLSDX MITGA PHTZX HUADL ESOXW CHBYE OIUID ASGGX S", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "copiale-013", "text": "Y6 A3 S5 R6 K9 Q2 L7 W5 I5 S5 M5 D0 N8 V5 W5", "ciphertext": "Y6 A3 S5 R6 K9 Q2 L7 W5 I5 S5 M5 D0 N8 V5 W5", "plaintext": "ENEMY FORCES NEAR", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COPIALE"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v2-0149", "text": "CFXICKZGHBHTBQEWXU", "ciphertext": "CFXICKZGHBHTBQEWXU", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0352", "text": "NQTCMYTRFYPMGCXGYPMMMMGFGFYPFGMMTLTJGRGOMGCMQYPKFYQNGATHNICYYGCYFLYOG", "ciphertext": "NQTCMYTRFYPMGCXGYPMMMMGFGFYPFGMMTLTJGRGOMGCMQYPKFYQNGATHNICYYGCYFLYOG", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0042", "text": "TXMQHPXRBH", "ciphertext": "TXMQHPXRBH", "plaintext": "DOT DASH DOT", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-287", "text": "IIIOENLLVDISNDAEEIIMIELNTNVAWULIAVCECRIGTEICAQASB", "ciphertext": "IIIOENLLVDISNDAEEIIMIELNTNVAWULIAVCECRIGTEICAQASB", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-070", "text": "ZRC FISGIMC WU XCLWJCPCX", "ciphertext": "ZRC FISGIMC WU XCLWJCPCX", "plaintext": "THE PACKAGE IS DELIVERED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 8}, "difficulty": "beginner", "language": "en", "text_length": 21, "length": 24, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0496", "text": "FFAXDVDFAVDDDFDXDFAXDXDXDFDVAFGFDFDAGGGFFAAXGFAVDXDFDVGFDXAFAFAVGXDVAFADDFDFAAFAXGFGVFDDVDFAXDDFDADADDAGVGXAXADFAGXGFFGADAADAAAVGAAXDVGFAVAVDDDVDDFGDFFDGVAFAFDAADDDAGDVFFADAXDVAAGDAVAFGFAFAFFXAFAGDXDXDFGXGDDFDFGFGXGDGDAVDXDVAFAFAFADGFFGGADAVGFDVDGAADXAFDFDVGAADAXAGDFDDAAF", "ciphertext": "FFAXDVDFAVDDDFDXDFAXDXDXDFDVAFGFDFDAGGGFFAAXGFAVDXDFDVGFDXAFAFAVGXDVAFADDFDFAAFAXGFGVFDDVDFAXDDFDADADDAGVGXAXADFAGXGFFGADAADAAAVGAAXDVGFAVAVDDDVDDFGDFFDGVAFAFDAADDDAGDVFFADAXDVAAGDAVAFGFAFAFFXAFAGDXDXDFGXGDDFDFGFGXGDGDAVDXDVAFAFAFADGFFGGADAVGFDVDGAADXAFDFDVGAADAXAGDFDDAAF", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 272, "length": 272, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0398", "text": "MDAGTIAIFWPAEGBLDVWNIIMNMDTTEEJAVABBSEAMIENVAENPUFTTAVIENBGUIFSAMGAKUHBXKUJNMMDAJTBLNVINBLI", "ciphertext": "MDAGTIAIFWPAEGBLDVWNIIMNMDTTEEJAVABBSEAMIENVAENPUFTTAVIENBGUIFSAMGAKUHBXKUJNMMDAJTBLNVINBLI", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 91, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v2-0019", "text": "HCHKSEHLAFEWIIQNBI", "ciphertext": "HCHKSEHLAFEWIIQNBI", "plaintext": "CONTACT HAS BEEN MADE", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Gettysburg Address opening"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0258", "text": "24 36 77 63 36 66 73 58 36 68 62 45 57 55 25 59", "ciphertext": "24 36 77 63 36 66 73 58 36 68 62 45 57 55 25 59", "plaintext": "THE WALLS HAVE EARS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011035", "text": "OFSWMUELLUAXJECUBTHGYOACMQKAYLESFYIVLCOUKBXPE", "ciphertext": "OFSWMUELLUAXJECUBTHGYOACMQKAYLESFYIVLCOUKBXPE", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "vigenere-v2-0409", "text": "REEZDWUEVZTQ", "ciphertext": "REEZDWUEVZTQ", "plaintext": "VENI VIDI VICI", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-341", "text": "OYI BQN GPON KQCJ SQCBNJK SOB HQ LQJ KQC DCN GPON KQC SOB HQ", "ciphertext": "OYI BQN GPON KQCJ SQCBNJK SOB HQ LQJ KQC DCN GPON KQC SOB HQ", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 15, "b": 14}, "difficulty": "beginner", "language": "en", "text_length": 47, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v3-0120", "text": "115 127 176 179 140 166 173 177 167 161 148 174 114", "ciphertext": "115 127 176 179 140 166 173 177 167 161 148 174 114", "plaintext": "ARCHERS TO THE WALLS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 39, "length": 51, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0320", "text": "SMPWKWHDRVXALTJLVMVULERKYTFKALCQZHLWDWIKURDNQEMPWKWHDRVXALTTECGQMKOVJSMABTAM", "ciphertext": "SMPWKWHDRVXALTJLVMVULERKYTFKALCQZHLWDWIKURDNQEMPWKWHDRVXALTTECGQMKOVJSMABTAM", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008981", "text": "VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA", "ciphertext": "VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "playfair-v3-0006", "text": "UGCHCRLUOUAFBMSK", "ciphertext": "UGCHCRLUOUAFBMSK", "plaintext": "THE GATES HOLD FIRM", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0237", "text": "T4 R0 V3 Y0 S6 G2 J8 O2 K2 A6 H3 F7 G3 C5 M4 C1 G0 W9 W5 J6", "ciphertext": "T4 R0 V3 Y0 S6 G2 J8 O2 K2 A6 H3 F7 G3 C5 M4 C1 G0 W9 W5 J6", "plaintext": "THE REDCOATS ARE COMING", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-010", "text": "DDFGFDDAAGXGFDXAFDDAAFXXFXGXXADXXXGFAAADAD", "ciphertext": "DDFGFDDAAGXGFDXAFDDAAFXXFXGXXADXXXGFAAADAD", "plaintext": "THE PACKAGE IS DELIVERED", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PRIVACY", "columnar": "GERMAN"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v3-1263", "text": "NBY MCYAY VYACHM", "ciphertext": "NBY MCYAY VYACHM", "plaintext": "THE SIEGE BEGINS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 20}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018413", "text": "ISSUE NAVAL DEPOT ENTER XEROX OFTEN FLANK CARRY OTHER ISSUE NEEDS CLAIM INTEL DEPOT ENEMY NAVAL CLAIM EARLY MOTOR EIGHT ARRAY SEEKS UNTIL RAIDS EXTRA", "ciphertext": "ISSUE NAVAL DEPOT ENTER XEROX OFTEN FLANK CARRY OTHER ISSUE NEEDS CLAIM INTEL DEPOT ENEMY NAVAL CLAIM EARLY MOTOR EIGHT ARRAY SEEKS UNTIL RAIDS EXTRA", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0021563", "text": "01669 5717 5714 4792 5711 01012 4804 5742 5707 01573 00982 6301 02906 4809 4448 0355 4462 01267 01258 1643 06375 1611 01016 6288 2881 4750 4493 00407 05718 01600 1920 06680 04419 1340 00343 4124 1642 04493 6368 0392 03802 06314 4786 05977 1610 00969 06654 05665 1615 6032 07914 6060 6363 01628 4176 6000", "ciphertext": "01669 5717 5714 4792 5711 01012 4804 5742 5707 01573 00982 6301 02906 4809 4448 0355 4462 01267 01258 1643 06375 1611 01016 6288 2881 4750 4493 00407 05718 01600 1920 06680 04419 1340 00343 4124 1642 04493 6368 0392 03802 06314 4786 05977 1610 00969 06654 05665 1615 6032 07914 6060 6363 01628 4176 6000", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "porta-v3-0075", "text": "AUYOMLLAYGMOTGOJFJTAXRXUXFVWVRHFCNEQTFPIVUXFMWAWMYUJEDBJKJENRBGYPPIVGUWRHN", "ciphertext": "AUYOMLLAYGMOTGOJFJTAXRXUXFVWVRHFCNEQTFPIVUXFMWAWMYUJEDBJKJENRBGYPPIVGUWRHN", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NAPLES"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0189", "text": "YALTDKAVJFBHWHPPKGTXHWHHALYHVBXHVLTTXWTZRALGQBFLBBNNBWBNRVVVWWVMZHWHHALWLTTXW", "ciphertext": "YALTDKAVJFBHWHPPKGTXHWHHALYHVBXHVLTTXWTZRALGQBFLBBNNBWBNRVVVWWVMZHWHHALWLTTXW", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0092", "text": "JDIXTRYAVDLVINXT", "ciphertext": "JDIXTRYAVDLVINXT", "plaintext": "THE GATES HOLD FIRM", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-128", "text": "DBLIXBFAGABH", "ciphertext": "DBLIXBFAGABH", "plaintext": "HOLD POSITION", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005840", "text": "EPFU EKCV AMYI LXWW QZWH TNWM VFHB XYSI REBO NBXG XASU F", "ciphertext": "EPFU EKCV AMYI LXWW QZWH TNWM VFHB XYSI REBO NBXG XASU F", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "autokey", "cipher": "autokey", "key": {"primer": "LIBRARY"}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "cda-0017427", "text": "816 852 825 813 811 836 801 841 999 812 855 857 825 838 801 858 812 810 999 830 813 872 999 833 814 840 820 859 821 999 816 851 843 836 999 856 859 802 859 826 855 858 826 806 854 999 838 844 809 813 852 840 999 812 840 806 852 874 846 858 824 842 840 999 825 855 999 840 842 859 999 803 853 843 830 814 839 999 805 873 999 835 813 857 858 812 852 999 817 852 814 850 862 814 839 808 873 999", "ciphertext": "816 852 825 813 811 836 801 841 999 812 855 857 825 838 801 858 812 810 999 830 813 872 999 833 814 840 820 859 821 999 816 851 843 836 999 856 859 802 859 826 855 858 826 806 854 999 838 844 809 813 852 840 999 812 840 806 852 874 846 858 824 842 840 999 825 855 999 840 842 859 999 803 853 843 830 814 839 999 805 873 999 835 813 857 858 812 852 999 817 852 814 850 862 814 839 808 873 999", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "geheimschreiber-v3-0319", "text": "PQMKVTYJOWHFLP", "ciphertext": "PQMKVTYJOWHFLP", "plaintext": "MARCH TO VICTORY", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v3-0051", "text": "⟨w17⟩ ⟨n01⟩ ⟨w35⟩ ⟨a03⟩ ⟨w23⟩ ⟨w13⟩ ⟨a15⟩ ⟨w35⟩ ⟨w13⟩ ⟨w15⟩ ⟨w02⟩ ⟨w13⟩ ⟨w22⟩", "ciphertext": "⟨w17⟩ ⟨n01⟩ ⟨w35⟩ ⟨a03⟩ ⟨w23⟩ ⟨w13⟩ ⟨a15⟩ ⟨w35⟩ ⟨w13⟩ ⟨w15⟩ ⟨w02⟩ ⟨w13⟩ ⟨w22⟩", "plaintext": "FULL SAIL AHEAD", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALSINGHAM"}, "difficulty": "expert", "language": "en", "text_length": 65, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-204", "text": "DBJJELLKWB", "ciphertext": "DBJJELLKWB", "plaintext": "TRUST NO ONE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v3-0232", "text": "YHQWRTTAKAJXFYNF", "ciphertext": "YHQWRTTAKAJXFYNF", "plaintext": "THE WIND IS WITH US", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0356", "text": "DCWYILACYZTPKCQZ", "ciphertext": "DCWYILACYZTPKCQZ", "plaintext": "CAVALRY ADVANCES", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-218", "text": "KNAACFIYGFKSYQKFCXSGNPATWPYCPBTZEQMBKYEMYLZSH", "ciphertext": "KNAACFIYGFKSYQKFCXSGNPATWPYCPBTZEQMBKYEMYLZSH", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0865", "text": "XFVKJSFHRWFUJHWFQTHXFOVDYJWGVTGUJHZOJVHITUCWJTPHDRFSKFFJOIHSFSCOHPOIUJTTCVXFNDOJEBRSJBMKQLUPVKJTVRUJNFLXIHFQIYIFYRWMEHRWUIGUJDUKWZEFQITVSKQYFOVLTOTFRXPMGPSMZRXGMJUK", "ciphertext": "XFVKJSFHRWFUJHWFQTHXFOVDYJWGVTGUJHZOJVHITUCWJTPHDRFSKFFJOIHSFSCOHPOIUJTTCVXFNDOJEBRSJBMKQLUPVKJTVRUJNFLXIHFQIYIFYRWMEHRWUIGUJDUKWZEFQITVSKQYFOVLTOTFRXPMGPSMZRXGMJUK", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11235"}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018987", "text": ".... ....  .. ...  . .....  . ....  . .....  .... ....  . .....  . ...  .... ....  .. ....  ..... .  . .....  .... ...  .... ....  .... .....  . ....  .. ....  . .....  .... ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  ... ..  . .  . ...  .. ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  .... ...", "ciphertext": ".... ....  .. ...  . .....  . ....  . .....  .... ....  . .....  . ...  .... ....  .. ....  ..... .  . .....  .... ...  .... ....  .... .....  . ....  .. ....  . .....  .... ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  ... ..  . .  . ...  .. ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  .... ...", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "sigaba-v2-0228", "text": "GPTQMNEWGAMDBDLZLIYIBMHFILYWZNBDFNTUPWVEHVBRXGGAMBFBKXGHTLRDCNMBOBBUIKXVPK", "ciphertext": "GPTQMNEWGAMDBDLZLIYIBMHFILYWZNBDFNTUPWVEHVBRXGGAMBFBKXGHTLRDCNMBOBBUIKXVPK", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019951", "text": "⟨w10⟩ ⟨a11⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w32⟩ ⟨a19⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a07⟩ ⟨w28⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨a23⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩", "ciphertext": "⟨w10⟩ ⟨a11⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w32⟩ ⟨a19⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a07⟩ ⟨w28⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨a23⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 187, "length": 187, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0010813", "text": "TODUUTPEEFTIISIRUSDTAWLTVEARDNAPGTERAHUESEFHECNESTECTREEHRGOCLPEIYXORELEPKEENREOHRIUFCOINIEUBOSLANTERPEETONINXXSFDWONYEURHTDEMNSLINDECSCTCATILEESAWSOIEILXXOCNNLOOTECVEFTPIILAIX", "ciphertext": "TODUUTPEEFTIISIRUSDTAWLTVEARDNAPGTERAHUESEFHECNESTECTREEHRGOCLPEIYXORELEPKEENREOHRIUFCOINIEUBOSLANTERPEETONINXXSFDWONYEURHTDEMNSLINDECSCTCATILEESAWSOIEILXXOCNNLOOTECVEFTPIILAIX", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE VIGENERE CIPHER USES A REPEATING KEYWORD OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION SLOWLY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0015790", "text": "60 17 33 3 2 59 96 46 48 15 21 48 87 49 63 94 22 3 86 34 93 91 22 43 91 48 53 91 59 15 1 98 59 24 98 82 57 63 1 68 91 33 3 15 63 26 39 92 1 96 63 94 82 67 33 25 59 21 87 93 63 17 33 58 50 32 43 23 40 14 30 68 49 63 30 48 27 39 63 17 2 67 33 60 43 17 66 46 68 50 91 94 22 61 76 14 3 50 36 32 27 3 22 21 59 63 17 48 34 14 43 22 11 68 86 76 80 48 92 78 72 3 64 63 26 39 92 67 66 14 43 50 36 32 27 3 22 43 25 17 48 67 22 11 25 30 23 11 11 76 99 50 50 17 26 78 78 17 48 58 33 60 88 23 4 22 60 94 72 62 46 1 49 39 50", "ciphertext": "60 17 33 3 2 59 96 46 48 15 21 48 87 49 63 94 22 3 86 34 93 91 22 43 91 48 53 91 59 15 1 98 59 24 98 82 57 63 1 68 91 33 3 15 63 26 39 92 1 96 63 94 82 67 33 25 59 21 87 93 63 17 33 58 50 32 43 23 40 14 30 68 49 63 30 48 27 39 63 17 2 67 33 60 43 17 66 46 68 50 91 94 22 61 76 14 3 50 36 32 27 3 22 21 59 63 17 48 34 14 43 22 11 68 86 76 80 48 92 78 72 3 64 63 26 39 92 67 66 14 43 50 36 32 27 3 22 43 25 17 48 67 22 11 25 30 23 11 11 76 99 50 50 17 26 78 78 17 48 58 33 60 88 23 4 22 60 94 72 62 46 1 49 39 50", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0395", "text": "YRHZQRJCARXQRBRZYNJWYNQQXIYQJPREJVCFUAQCXWETLNYEZTCVYZAMLRXBCYBYRAUDSLXJSHDSL", "ciphertext": "YRHZQRJCARXQRBRZYNJWYNQQXIYQJPREJVCFUAQCXWETLNYEZTCVYZAMLRXBCYBYRAUDSLXJSHDSL", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0437", "text": "DFAFUQTRIAAFRBIQGKIXDLAAHHIUTCLMSBRDIKOHTKGMPNOASBRCRSHHMULABGATFKFUQGATEAMU", "ciphertext": "DFAFUQTRIAAFRBIQGKIXDLAAHHIUTCLMSBRDIKOHTKGMPNOASBRCRSHHMULABGATFKFUQGATEAMU", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012779", "text": "17.46.1 15.13.8 2.1.7 13.8.5 6.13.9 3.17.1 19.50.7 8.49.1 2.46.1 11.23.14 14.45.10 11.34.13 12.41.13 16.32.8 19.1.7 8.8.14 7.23.4 11.5.14 12.12.13 2.49.6 11.46.7 14.41.8 7.43.5 18.3.3 11.38.4 13.32.7 4.10.4 15.14.12 4.21.11 3.37.6 14.19.1 20.39.8 7.25.2 1.41.6 5.46.4 2.15.12 12.5.11 6.18.8 13.39.8 14.33.15 13.49.12 12.49.8 19.44.8 18.34.4 14.49.10 18.14.2 7.36.1 6.13.8 2.11.6 19.37.5 2.42.7 8.20.13 17.32.11 12.14.2 4.26.11 1.18.7 5.26.4 18.12.8 15.35.12 3.15.12 9.3.14 10.50.10 12.46.5 12.7.4 14.45.15 17.35.3 7.3.11 9.22.10 4.50.13 1.31.3 20.20.15 3.38.15 2.26.4 13.13.13 11.13.2 3.47.6 9.26.8 8.29.3 16.24.3 6.29.13 4.21.6 10.47.6 13.31.5 5.39.10 5.23.9 4.18.2 14.27.11 7.33.13", "ciphertext": "17.46.1 15.13.8 2.1.7 13.8.5 6.13.9 3.17.1 19.50.7 8.49.1 2.46.1 11.23.14 14.45.10 11.34.13 12.41.13 16.32.8 19.1.7 8.8.14 7.23.4 11.5.14 12.12.13 2.49.6 11.46.7 14.41.8 7.43.5 18.3.3 11.38.4 13.32.7 4.10.4 15.14.12 4.21.11 3.37.6 14.19.1 20.39.8 7.25.2 1.41.6 5.46.4 2.15.12 12.5.11 6.18.8 13.39.8 14.33.15 13.49.12 12.49.8 19.44.8 18.34.4 14.49.10 18.14.2 7.36.1 6.13.8 2.11.6 19.37.5 2.42.7 8.20.13 17.32.11 12.14.2 4.26.11 1.18.7 5.26.4 18.12.8 15.35.12 3.15.12 9.3.14 10.50.10 12.46.5 12.7.4 14.45.15 17.35.3 7.3.11 9.22.10 4.50.13 1.31.3 20.20.15 3.38.15 2.26.4 13.13.13 11.13.2 3.47.6 9.26.8 8.29.3 16.24.3 6.29.13 4.21.6 10.47.6 13.31.5 5.39.10 5.23.9 4.18.2 14.27.11 7.33.13", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "solitaire-v3-0087", "text": "LBKWEADEWCROEWUMWBIPKAJRHXYUSSGYCJFVMJSPGWBWSNXNGUBISXTPXIJHZKPLQMWVVNTSMILORDSE", "ciphertext": "LBKWEADEWCROEWUMWBIPKAJRHXYUSSGYCJFVMJSPGWBWSNXNGUBISXTPXIJHZKPLQMWVVNTSMILORDSE", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0626", "text": "AGGAAAGGGAAXFDFGDDGGFXFAAAXDGDADGGFAFGAFFDGFAGAGGFFDAGAGGFXXAAXGDAFDFGGXAGGDXXDGGFFFFGDAGFDFXGADAG", "ciphertext": "AGGAAAGGGAAXFDFGDDGGFXFAAAXDGDADGGFAFGAFFDGFAGAGGFFDAGAGGFXXAAXGDAFDFGGXAGGDXXDGGFFFFGDAGFDFXGADAG", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 98, "length": 98, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0329", "text": "ABOOKWKROHBRUDSGIINHWDCTWLBZWKYDVOWKPKRSFDXYRQSQBTUMTSFFWKFTMHZOERXSTQXDUETCQ", "ciphertext": "ABOOKWKROHBRUDSGIINHWDCTWLBZWKYDVOWKPKRSFDXYRQSQBTUMTSFFWKFTMHZOERXSTQXDUETCQ", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003388", "text": "KADCN OXALN FXATB XWUH FQNW CQN TNH BYJLN RB BVJUU LXUDVWJA CAJWBYXBRCRXW ANJMB LXUDVWB RW TNH XAMNA JW JOORWN LRYQNA JYYURNB J URWNJA ODWLCRXW CX NJLQ UNCCNA", "ciphertext": "KADCN OXALN FXATB XWUH FQNW CQN TNH BYJLN RB BVJUU LXUDVWJA CAJWBYXBRCRXW ANJMB LXUDVWB RW TNH XAMNA JW JOORWN LRYQNA JYYURNB J URWNJA ODWLCRXW CX NJLQ UNCCNA", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "99999"}, "difficulty": "hard", "language": "en", "text_length": 132, "length": 132, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "adfgx-v2-0633", "text": "AGXFAAAAFFFGAAFXDGAAAAFDGDFDDDXDXDGXDGGAAFGXGAFADAGADDAFAFFAFAAFADGAFDAGGAXDGFFFDGDDGXXADGXFXAGGXGFDXGGFGXDGFXAGDFFGDAFFAFAAAGXAGGFDFAGA", "ciphertext": "AGXFAAAAFFFGAAFXDGAAAAFDGDFDDDXDXDGXDGGAAFGXGAFADAGADDAFAFFAFAAFADGAFDAGGAXDGFFFDGDDGXXADGXFXAGGXGFDXGGFGXDGFXAGDFFGDAFFAFAAAGXAGGFDFAGA", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0444", "text": "BRQKLYGGBQHOHHPSLXBAVHAQPHQ", "ciphertext": "BRQKLYGGBQHOHHPSLXBAVHAQPHQ", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014896", "text": "CLA-GI-AIH   /   A-KHA   /   DIBEH-YAZZIE   /   TSAH-AS-ZIH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   CLA-GI-AIH   /   LIN   /   WOL-LA-CHEE   /   SHUSH   /   DZEH   /   THAN-ZIE   /   TKIN   /   MOASI   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   NA-AS-TSO-SI   /   NO-DA-IH   /   DIBEH-YAZZIE   /   THAN-ZIE   /   TKIN   /   CLA-GI-AIH   /   DIBEH-YAZZIE   /   DZEH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   CLA-GI-AIH   /   LIN   /   WOL-LA-CHEE   /   SHUSH   /   DZEH   /   THAN-ZIE", "ciphertext": "CLA-GI-AIH   /   A-KHA   /   DIBEH-YAZZIE   /   TSAH-AS-ZIH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   CLA-GI-AIH   /   LIN   /   WOL-LA-CHEE   /   SHUSH   /   DZEH   /   THAN-ZIE   /   TKIN   /   MOASI   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   NA-AS-TSO-SI   /   NO-DA-IH   /   DIBEH-YAZZIE   /   THAN-ZIE   /   TKIN   /   CLA-GI-AIH   /   DIBEH-YAZZIE   /   DZEH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   CLA-GI-AIH   /   LIN   /   WOL-LA-CHEE   /   SHUSH   /   DZEH   /   THAN-ZIE", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 260, "length": 260, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "kryha-147", "text": "DPXVLEXJYTML", "ciphertext": "DPXVLEXJYTML", "plaintext": "THE TRAP IS SET", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geheimschreiber-v2-0391", "text": "BOEVBAXGLZJKH", "ciphertext": "BOEVBAXGLZJKH", "plaintext": "STAY THE COURSE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-de-003", "text": "IELCNIRIHINENRBBE", "ciphertext": "IELCNIRIHINENRBBE", "plaintext": "ICH BIN EIN BERLINER", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 4}, "difficulty": "intermediate", "language": "de", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-fr-029", "text": "GVCYRWUMXPMXNTQGNWDOHSOMDTGUZNUZHUZHEDE", "ciphertext": "GVCYRWUMXPMXNTQGNWDOHSOMDTGUZNUZHUZHEDE", "plaintext": "LA VICTOIRE EST A NOUS SI NOUS SAVONS LA PRENDRE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "fr", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v3-0883", "text": "ZYMEKCUKZBZLMRNATYBEPSBRDOLJQTHZHBIMLKXJECUKCARKOLHUPGVPVYVAMWXTEKSZUCOT", "ciphertext": "ZYMEKCUKZBZLMRNATYBEPSBRDOLJQTHZHBIMLKXJECUKCARKOLHUPGVPVYVAMWXTEKSZUCOT", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-132", "text": "2187025092707621251524022", "ciphertext": "2187025092707621251524022", "plaintext": "CIPHER KEY CHANGED", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "EATONSIRE"}, "difficulty": "advanced", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-058", "text": "YVRYLHVKHXVGTBWIBIVAMSTRENRNSIWAEVGBJZHVPEWSFCNQPWSKHXKNCEDSIKFDYSTHUJIDVKHBWVVRQSUHJAGHVVRKYOPEELWVVRWIRJKHXAQFYIEQHKHXCVVNYHZICLMLGFRNR", "ciphertext": "YVRYLHVKHXVGTBWIBIVAMSTRENRNSIWAEVGBJZHVPEWSFCNQPWSKHXKNCEDSIKFDYSTHUJIDVKHBWVVRQSUHJAGHVVRKYOPEELWVVRWIRJKHXAQFYIEQHKHXCVVNYHZICLMLGFRNR", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CONFEDERATE"}, "difficulty": "intermediate", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0413", "text": "AVGGDFXADGXGDAFGDVGAAAAD", "ciphertext": "AVGGDFXADGXGDAFGDVGAAAAD", "plaintext": "IN GOD WE TRUST", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0607", "text": "WYEGAODJSGRBUYAYFRFVIBSQRLRSCFWLRMSAWUIYDNWTHKGNQUACOVWJITGGULCZWBQJFXCZOFNJCAKH", "ciphertext": "WYEGAODJSGRBUYAYFRFVIBSQRLRSCFWLRMSAWUIYDNWTHKGNQUACOVWJITGGULCZWBQJFXCZOFNJCAKH", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012270", "text": "803 851 862 859 812 999 817 844 851 808 814 999 866 843 853 831 856 999 843 840 835 873 999 867 821 813 841 999 859 823 813 999 831 814 872 999 855 846 802 808 812 999 826 854 999 855 838 802 835 834 999 855 861 805 856 859 824 858 861 859 824 844 841 999 806 824 846 823 814 852 854 999 836 801 845 999 812 800 806 823 999 835 813 858 858 812 852 999 857 843 999 800 999 810 825 815 815 813 851 813 840 857 999 834 812 857 857 812 853 999", "ciphertext": "803 851 862 859 812 999 817 844 851 808 814 999 866 843 853 831 856 999 843 840 835 873 999 867 821 813 841 999 859 823 813 999 831 814 872 999 855 846 802 808 812 999 826 854 999 855 838 802 835 834 999 855 861 805 856 859 824 858 861 859 824 844 841 999 806 824 846 823 814 852 854 999 836 801 845 999 812 800 806 823 999 835 813 858 858 812 852 999 857 843 999 800 999 810 825 815 815 813 851 813 840 857 999 834 812 857 857 812 853 999", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 91, "length": 91, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "adfgx-063", "text": "FGFAADDAAFAGFXDDGGGGDADDXGFGFX", "ciphertext": "FGFAADDAAFAGFXDDGGGGDADDXGFGFX", "plaintext": "ABORT MISSION NOW", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v2-0259", "text": "MDLSDYENTYVGHI", "ciphertext": "MDLSDYENTYVGHI", "plaintext": "SIGNAL FIRES LIT", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0202", "text": "KCIBBRGOYVVBRBICAAWMOONOAAAGRTHETYLLYNGWIKKRVYDOZWAAVYRVKVHMDYGJXSBICSTQJEILYHHUNZZGZNOTMSTCQNEQIKSXJXRVLNOEFIPSSLFAMROELYXNSFTELYJMEFKPCLEINGRBVALXVPWXPHRDZGMY", "ciphertext": "KCIBBRGOYVVBRBICAAWMOONOAAAGRTHETYLLYNGWIKKRVYDOZWAAVYRVKVHMDYGJXSBICSTQJEILYHHUNZZGZNOTMSTCQNEQIKSXJXRVLNOEFIPSSLFAMROELYXNSFTELYJMEFKPCLEINGRBVALXVPWXPHRDZGMY", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-148", "text": "CTYASYRCRFCZYQC", "ciphertext": "CTYASYRCRFCZYQC", "plaintext": "EVACUATE THE BASE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KOREA"}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021450", "text": "846 813 813 851 999 852 812 865 826 814 866 999 802 839 810 999 852 813 846 851 844 811 860 806 826 803 824 835 826 858 873 999 837 802 858 857 814 853 999 825 841 999 852 812 855 812 801 851 808 821 999 857 822 812 999 812 839 825 819 837 800 999 836 800 808 822 824 841 812 999 862 855 813 810 999 851 844 859 844 851 855 999 857 842 999 806 851 814 802 858 814 999 800 999 846 842 834 874 801 833 845 821 802 803 814 859 824 806 999 806 824 846 822 813 852 999", "ciphertext": "846 813 813 851 999 852 812 865 826 814 866 999 802 839 810 999 852 813 846 851 844 811 860 806 826 803 824 835 826 858 873 999 837 802 858 857 814 853 999 825 841 999 852 812 855 812 801 851 808 821 999 857 822 812 999 812 839 825 819 837 800 999 836 800 808 822 824 841 812 999 862 855 813 810 999 851 844 859 844 851 855 999 857 842 999 806 851 814 802 858 814 999 800 999 846 842 834 874 801 833 845 821 802 803 814 859 824 806 999 806 824 846 822 813 852 999", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "diana-050", "text": "KBWNJKUVRAMAIZVIAHNPVWLZJKINLWKUHGWLPAUWVPSVPVDWZJAEAUT", "ciphertext": "KBWNJKUVRAMAIZVIAHNPVWLZJKINLWKUHGWLPAUWVPSVPVDWZJAEAUT", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIANA"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-119", "text": "UROHSQLZMTUKBZU", "ciphertext": "UROHSQLZMTUKBZU", "plaintext": "ABORT MISSION NOW", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "autokey-es-012", "text": "WWRRRTYFPGEAHQEECIOUI", "ciphertext": "WWRRRTYFPGEAHQEECIOUI", "plaintext": "ESPANA UNA GRANDE Y LIBRE", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "es", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015107", "text": "BE   /   TKIN   /   MA-E   /   MA-E   /   TKIN   /   DZEH   /   WOL-LA-CHEE   /   TSAH   /   BE   /   LIN   /   DZEH   /   DIBEH-YAZZIE   /   DIBEH-YAZZIE   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   TSAH   /   TKIN   /   TSAH   /   THAN-ZIE   /   GAH   /   A-KHA   /   BE   /   NO-DA-IH   /   MOASI   /   DZEH   /   BE   /   CLA-GI-AIH   /   NO-DA-IH   /   SHUSH   /   DIBEH-YAZZIE   /   TKIN   /   MOASI   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE", "ciphertext": "BE   /   TKIN   /   MA-E   /   MA-E   /   TKIN   /   DZEH   /   WOL-LA-CHEE   /   TSAH   /   BE   /   LIN   /   DZEH   /   DIBEH-YAZZIE   /   DIBEH-YAZZIE   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   TSAH   /   TKIN   /   TSAH   /   THAN-ZIE   /   GAH   /   A-KHA   /   BE   /   NO-DA-IH   /   MOASI   /   DZEH   /   BE   /   CLA-GI-AIH   /   NO-DA-IH   /   SHUSH   /   DIBEH-YAZZIE   /   TKIN   /   MOASI   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CAREFULLY", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 218, "length": 218, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v2-0135", "text": "6262326982038152102398", "ciphertext": "6262326982038152102398", "plaintext": "THE HARBOR IS CLEAR", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0211", "text": "77 29 18 11 16 63 33 44 69 75 41 13 39 64 42 71 38 29 44 28 57 87 25", "ciphertext": "77 29 18 11 16 63 33 44 69 75 41 13 39 64 42 71 38 29 44 28 57 87 25", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0279", "text": "21248 21239 21257 21244 21249 21248 21243 21235 21257 21244 21232 21239 21235 21240 21240 21246 21239 21230 21235 21246 21246 21235 21248 21238 21233 21248 21244 21255 21233 21244 21239 21238 21244 21232 21239 21243 21235 21247 21239 21230 21249 21242 21237 21239 21244 21232 21235 21244 21232 21249 21246 21238 21243 21244 21232 21239 21240 21246 21235 21248 21239 21244 21243 21233 21248 21244 21232 21239 21233 21242 21240 21235 21244 21232 21243", "ciphertext": "21248 21239 21257 21244 21249 21248 21243 21235 21257 21244 21232 21239 21235 21240 21240 21246 21239 21230 21235 21246 21246 21235 21248 21238 21233 21248 21244 21255 21233 21244 21239 21238 21244 21232 21239 21243 21235 21247 21239 21230 21249 21242 21237 21239 21244 21232 21235 21244 21232 21249 21246 21238 21243 21244 21232 21239 21240 21246 21235 21248 21239 21244 21243 21233 21248 21244 21232 21239 21233 21242 21240 21235 21244 21232 21243", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 375, "length": 449, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-021", "text": "TBDIERECSGRHEIESUD", "ciphertext": "TBDIERECSGRHEIESUD", "plaintext": "THE BRIDGE IS SECURED", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 3}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v3-0283", "text": "AWKWKEHUGJBNCOGDMPZMDUETXMNOUMCJZQZJCGLXMGODJEXXHTVDFTTOSSCETZEXGAUDIYYBTP", "ciphertext": "AWKWKEHUGJBNCOGDMPZMDUETXMNOUMCJZQZJCGLXMGODJEXXHTVDFTTOSSCETZEXGAUDIYYBTP", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014273", "text": "... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... .....  .... ...  . .....  ... ..  .... .....  ... .  .... ....  .. ....  ... .....  ... .  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  .. ...  .. ....  .. .  .... ....  .... ...  .... ....  .. ...  . .....  ... .....  ... .  . .  ..... ....  .. .  . .  .. ....  .... ..  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  ... .....  . .  .. ....  .... ..  .... ...  ... ....  .. .  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  .... ...  .. ....  ... ..  .... .....  ... .  .... ....  . .  ... ...  . .....  ... ....  .... .....  .... ...  ... .  ..... ....  ... ....  . ..  .... ...  . .....  .... ..  ..... .  . .  . ..  ... .  . .....  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  . ...  ... ....  ... ..  . .....  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  . ...  ... ....  ... ...  .. .  .. ....  . ....  . .....  ... ...  . ...  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  ... ....  .. ..  .... ..  . .  ... .....  .. ...  ..... ....  .... ..  . .....  ..... ..  . .  .... ..  . ....  .... ...  ... .....  . .  .... ....  .. ....  . .....  ... ...  . ...  . .....  . .  ... ...  . ....  . ...  . .  .... ..  . .....  .. .  .... .....  ... .  .... ....  .. ...  .. ....  ... ...  . ...  .. ....  ... ...  .. ..", "ciphertext": "... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... .....  .... ...  . .....  ... ..  .... .....  ... .  .... ....  .. ....  ... .....  ... .  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  .. ...  .. ....  .. .  .... ....  .... ...  .... ....  .. ...  . .....  ... .....  ... .  . .  ..... ....  .. .  . .  .. ....  .... ..  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  ... .....  . .  .. ....  .... ..  .... ...  ... ....  .. .  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  .... ...  .. ....  ... ..  .... .....  ... .  .... ....  . .  ... ...  . .....  ... ....  .... .....  .... ...  ... .  ..... ....  ... ....  . ..  .... ...  . .....  .... ..  ..... .  . .  . ..  ... .  . .....  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  . ...  ... ....  ... ..  . .....  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  . ...  ... ....  ... ...  .. .  .. ....  . ....  . .....  ... ...  . ...  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  ... ....  .. ..  .... ..  . .  ... .....  .. ...  ..... ....  .... ..  . .....  ..... ..  . .  .... ..  . ....  .... ...  ... .....  . .  .... ....  .. ....  . .....  ... ...  . ...  . .....  . .  ... ...  . ....  . ...  . .  .... ..  . .....  .. .  .... .....  ... .  .... ....  .. ...  .. ....  ... ...  . ...  .. ....  ... ...  .. ..", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 183, "length": 183, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "scytale-v3-0246", "text": "MAUEWCCTNEESRTIEUOCX", "ciphertext": "MAUEWCCTNEESRTIEUOCX", "plaintext": "MEASURE TWICE CUT ONCE", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v3-0161", "text": "FVUSBUJGLHQOUPXRJHARFHQIFXVBLUUPOJCPKRZPSPRDZQMXANJWTLQVBOJKREFBMRFWCNFHYR", "ciphertext": "FVUSBUJGLHQOUPXRJHARFHQIFXVBLUUPOJCPKRZPSPRDZQMXANJWTLQVBOJKREFBMRFWCNFHYR", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0058", "text": "DVOKFRRMCCZFUBOKFASRIJECYVXJLQZMJSCISOURNKBVNBFFSZMVHMLENPSYMETRGWKBMTHHYO", "ciphertext": "DVOKFRRMCCZFUBOKFASRIJECYVXJLQZMJSCISOURNKBVNBFFSZMVHMLENPSYMETRGWKBMTHHYO", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0168", "text": "USBSFOZDOHHCBZSRHVSHVWFROFAMWBOROFWBUGKSSDOQFCGGTFOBQSTCZZCKWBUHVSPFSOYCIH", "ciphertext": "USBSFOZDOHHCBZSRHVSHVWFROFAMWBOROFWBUGKSSDOQFCGGTFOBQSTCZZCKWBUHVSPFSOYCIH", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-051", "text": "⟨a04⟩ ⟨a17⟩ ⟨a13⟩ ⟨w13⟩ ⟨n03⟩ ⟨w10⟩ ⟨w13⟩ ⟨w32⟩ ⟨a14⟩", "ciphertext": "⟨a04⟩ ⟨a17⟩ ⟨a13⟩ ⟨w13⟩ ⟨n03⟩ ⟨w10⟩ ⟨w13⟩ ⟨w32⟩ ⟨a14⟩", "plaintext": "ENEMY FORCES NEAR", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-135", "text": "BXRJUGABHMRVAHF", "ciphertext": "BXRJUGABHMRVAHF", "plaintext": "OPERATION BEGINS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0576", "text": "HIPBQBLQOHQQKBFJHOQKHGBPQHIYKFQAESLAQGLLRFPLQKFAKFDFHMULJHOYLYGGFHQIS", "ciphertext": "HIPBQBLQOHQQKBFJHOQKHGBPQHIYKFQAESLAQGLLRFPLQKFAKFDFHMULJHOYLYGGFHQIS", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012566", "text": "69 20 61 82 80 95 68 20 57 82 82 95 50 11 82 29 52 82 52 69 77 82 61 20 82 76 69 80 82 52 69 29 76 50 11 82 29 52 82 65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29", "ciphertext": "69 20 61 82 80 95 68 20 57 82 82 95 50 11 82 29 52 82 52 69 77 82 61 20 82 76 69 80 82 52 69 29 76 50 11 82 29 52 82 65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0336", "text": "THECIPHERDISKWASINVENTEDBYLEONBATTISTAALBERTIARENAISSANCEARCHITECTANDGREATHUMANIST", "ciphertext": "THECIPHERDISKWASINVENTEDBYLEONBATTISTAALBERTIARENAISSANCEARCHITECTANDGREATHUMANIST", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013073", "text": "dainy qokeedy shaiin qokeedy chedal qotedy otedy qokeedy aiiin rcheol otol ytedy daiin oror okeedy kaiiin qokeedy chedy shaiin shor qokeedy okedy qotedy shaiin sharal shaiin otaiin ctaiin okedy", "ciphertext": "dainy qokeedy shaiin qokeedy chedal qotedy otedy qokeedy aiiin rcheol otol ytedy daiin oror okeedy kaiiin qokeedy chedy shaiin shor qokeedy okedy qotedy shaiin sharal shaiin otaiin ctaiin okedy", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 165, "length": 165, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "kryptos-v3-0147", "text": "CMZNXXGMMYXSAGRJDXXFNN", "ciphertext": "CMZNXXGMMYXSAGRJDXXFNN", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0188", "text": "KPGSAFQLJUAZTSCKVZFPEVNOCVQAIOAWYMOHWSGKDMNPQRBZEQPNDSRQGIUAGFRVSGUAUZYZRBGYE", "ciphertext": "KPGSAFQLJUAZTSCKVZFPEVNOCVQAIOAWYMOHWSGKDMNPQRBZEQPNDSRQGIUAGFRVSGUAUZYZRBGYE", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1391", "text": "NFYFKIX FEYFSNVZ", "ciphertext": "NFYFKIX FEYFSNVZ", "plaintext": "CAVALRY ADVANCES", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 17, "b": 5}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-039", "text": "⟨a03⟩ ⟨a04⟩ ⟨w23⟩ ⟨a15⟩ ⟨w10⟩ ⟨w07⟩ ⟨a12⟩ ⟨w10⟩", "ciphertext": "⟨a03⟩ ⟨a04⟩ ⟨w23⟩ ⟨a15⟩ ⟨w10⟩ ⟨w07⟩ ⟨a12⟩ ⟨w10⟩", "plaintext": "THE KING IS DEAD", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 40, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-187", "text": "ASBSIOIOWRMNOTN", "ciphertext": "ASBSIOIOWRMNOTN", "plaintext": "ABORT MISSION NOW", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v2-0596", "text": "HDKNRGUNJQRVJORXCXPAUBYQEBMIQYWLVWTRNHLMOKMYXADIISYZNPCLBKWRAKZBFGTVBINYQRVIFM", "ciphertext": "HDKNRGUNJQRVJORXCXPAUBYQEBMIQYWLVWTRNHLMOKMYXADIISYZNPCLBKWRAKZBFGTVBINYQRVIFM", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014963", "text": "20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 5 18 18 15 18 3 15 18 18 5 3 20 9 15 14 1 14 4 4 5 20 5 3 20 9 15 14 1 18 5 6 21 14 4 1 13 5 14 20 1 12 20 15 19 5 3 21 18 5 19 25 19 20 5 13 19 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5", "ciphertext": "20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 5 18 18 15 18 3 15 18 18 5 3 20 9 15 14 1 14 4 4 5 20 5 3 20 9 15 14 1 18 5 6 21 14 4 1 13 5 14 20 1 12 20 15 19 5 3 21 18 5 19 25 19 20 5 13 19 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 132, "length": 132, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0010619", "text": "TSSHE EOLAR OOHSO HTOOR MDSNE OUORN ELNWE EFASN LLWEI BESWT TATPT SDIAN ESSHH HIRAT HSTSG", "ciphertext": "TSSHE EOLAR OOHSO HTOOR MDSNE OUORN ELNWE EFASN LLWEI BESWT TATPT SDIAN ESSHH HIRAT HSTSG", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "scytale", "cipher": "scytale", "key": {"cols": 5}, "difficulty": "medium", "language": "en", "text_length": 75, "length": 75, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgx-v2-0187", "text": "XAADFDGFFXDFAAADFXDXAAAXDAGDFXFAADGGADFGDAFDDGXDDXGGXGAFAXDGXFAFGADDDAAADFGAAADDXXGAGAFAGXFFGFXDXFADFGGDXAFGDGGDAGFGGADDFFAGDA", "ciphertext": "XAADFDGFFXDFAAADFXDXAAAXDAGDFXFAADGGADFGDAFDDGXDDXGGXGAFAXDGXFAFGADDDAAADFGAAADDXXGAGAFAGXFFGFXDXFADFGGDXAFGDGGDAGFGGADDFFAGDA", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 126, "length": 126, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0295", "text": "OTDJWNHSTVUJETNFEVXJDGHRCXIAFSSOAWYFPJYKZTOWPQASGEEPWGK", "ciphertext": "OTDJWNHSTVUJETNFEVXJDGHRCXIAFSSOAWYFPJYKZTOWPQASGEEPWGK", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0248", "text": "YWATXTGHPYGAUROQFZNEVOUFUCJGUUMRQOEQZPWOHACULTQANBLGLUZGEUEDQGICQLXDZNXQNUNDJWJRQYRDUYBHKTVTUYQLXKILXTQKEVBOELKCWQWPUJTFINJLFUQHXYRGFGVWRHXNGFUTZRFDTXR", "ciphertext": "YWATXTGHPYGAUROQFZNEVOUFUCJGUUMRQOEQZPWOHACULTQANBLGLUZGEUEDQGICQLXDZNXQNUNDJWJRQYRDUYBHKTVTUYQLXKILXTQKEVBOELKCWQWPUJTFINJLFUQHXYRGFGVWRHXNGFUTZRFDTXR", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0282", "text": "YBUGYTEXUNFIVHGGAWVVBIKYEYNXBEVRTTXBVEGXNPYUFWTANQOUPORUNWIUPKASSZGMPVLT", "ciphertext": "YBUGYTEXUNFIVHGGAWVVBIKYEYNXBEVRTTXBVEGXNPYUFWTANQOUPORUNWIUPKASSZGMPVLT", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-187", "text": "OJMAJJOEILKZAEJ", "ciphertext": "OJMAJJOEILKZAEJ", "plaintext": "ABORT MISSION NOW", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v3-0294", "text": "128287022035632050650614720128877222186425227268422213414223102298487722633722026229445227172128700542294856", "ciphertext": "128287022035632050650614720128877222186425227268422213414223102298487722633722026229445227172128700542294856", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 108, "length": 108, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-357", "text": "SXGOFRWRIPBCIXCXMXSYHBIBARZFKXCZHFWRIENSRWDEQGFVPKMLEBXEOJMNSLVDLYPTIRWXFAGVKYRMNSUGOEBSSKDUIGJQIHKWCZRVYYXGKBKRDLYPQRXCIDKFNKSGFPVVBQETAHYHVEQPTLOVQCWGLUO", "ciphertext": "SXGOFRWRIPBCIXCXMXSYHBIBARZFKXCZHFWRIENSRWDEQGFVPKMLEBXEOJMNSLVDLYPTIRWXFAGVKYRMNSUGOEBSSKDUIGJQIHKWCZRVYYXGKBKRDLYPQRXCIDKFNKSGFPVVBQETAHYHVEQPTLOVQCWGLUO", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 155, "length": 155, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jefferson-disk-v2-0178", "text": "XDWVDUHDIHGMCZXKPTAUNYBDDXQQQDSNADYDDLMEJDSHKZIEWZZUXTLOIPIGIHNOSMYQS", "ciphertext": "XDWVDUHDIHGMCZXKPTAUNYBDDXQQQDSNADYDDLMEJDSHKZIEWZZUXTLOIPIGIHNOSMYQS", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0492", "text": "BBWDCJMVMTQNXACGBWBCGXGMISKYRCNVALTXLKUZIQMZYXWEJHNUTGDMZUFRAQFKBTVUPYGQGIOULFJEWTEPQGLIIXUUIVHQGNBARXCWIEAOIKOECIOCRKCLAEEKKSRJEUIKJIXXQIMVYFKXAINHFEIMBAJVCHYM", "ciphertext": "BBWDCJMVMTQNXACGBWBCGXGMISKYRCNVALTXLKUZIQMZYXWEJHNUTGDMZUFRAQFKBTVUPYGQGIOULFJEWTEPQGLIIXUUIVHQGNBARXCWIEAOIKOECIOCRKCLAEEKKSRJEUIKJIXXQIMVYFKXAINHFEIMBAJVCHYM", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012258", "text": "ytaiin qotedy qokeedy ytaiin dainy oxed rcheol daiin rcheol ctaiin ykcheol aiiin ytedy kaiiin ytedy chol okal otol qotedy raiin kaiiin dal shor lkaiin shedy sheol shor daral okedy cheol dal oror dal oror qotedy cheol ctaiin otedy oxed ytedy ctaiin ytedy qokal aiiin qokedy sharal kaiiin", "ciphertext": "ytaiin qotedy qokeedy ytaiin dainy oxed rcheol daiin rcheol ctaiin ykcheol aiiin ytedy kaiiin ytedy chol okal otol qotedy raiin kaiiin dal shor lkaiin shedy sheol shor daral okedy cheol dal oror dal oror qotedy cheol ctaiin otedy oxed ytedy ctaiin ytedy qokal aiiin qokedy sharal kaiiin", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 240, "length": 240, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "kryptos-v3-0255", "text": "ENJDYEMLNIZHVGAJAEFXNPXRWKTBAZHIOEOPNBDDKTGKNEHVDZQADSGWEQQCAHPRJOZHMCLUOFSVDNVQBKNXNTGI", "ciphertext": "ENJDYEMLNIZHVGAJAEFXNPXRWKTBAZHIOEOPNBDDKTGKNEHVDZQADSGWEQQCAHPRJOZHMCLUOFSVDNVQBKNXNTGI", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014209", "text": "ctaiin otaiin sheedy otain ytedy otain sheol ykcheol raiin qokedy otain sheedy qokeedy ytedy sheol qokeedy ypchol", "ciphertext": "ctaiin otaiin sheedy otain ytedy otain sheol ykcheol raiin qokedy otain sheedy qokeedy ytedy sheol qokeedy ypchol", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY TOMORROW", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 97, "length": 97, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0021919", "text": "GSVR MWVC LUXL RMXR WVMX VRHZ FHVU FOXO FVXL OFNM ZIGI ZMHK LHRG RLMI VZWH XLOF NMHR MPVB LIWV IRMW VCLU XLRM XRWV MXVN VZHF IVHO VGGV IUIV JFVM XBWR HGIR YFGR LMZM ZUUR MVXR KSVI ZKKO RVHZ ORMV ZIUF MXGR LMGL VZXS OVGG VI", "ciphertext": "GSVR MWVC LUXL RMXR WVMX VRHZ FHVU FOXO FVXL OFNM ZIGI ZMHK LHRG RLMI VZWH XLOF NMHR MPVB LIWV IRMW VCLU XLRM XRWV MXVN VZHF IVHO VGGV IUIV JFVM XBWR HGIR YFGR LMZM ZUUR MVXR KSVI ZKKO RVHZ ORMV ZIUF MXGR LMGL VZXS OVGG VI", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 178, "length": 178, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "geheimschreiber-164", "text": "EUSCJYSTHDDWFSNYNXQNJYIPKKVKCRQEQROCDDEYNKYDGEBJFWMIIHZKC", "ciphertext": "EUSCJYSTHDDWFSNYNXQNJYIPKKVKCRQEQROCDDEYNKYDGEBJFWMIIHZKC", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v2-0055", "text": "COKMTBSXRMITTLBTCPLITOLTRNQRECMRPCSSVRFUNWUWQAQQFWHRWKRPXGUNZGZXYZDBTZWNLVW", "ciphertext": "COKMTBSXRMITTLBTCPLITOLTRNQRECMRPCSSVRFUNWUWQAQQFWHRWKRPXGUNZGZXYZDBTZWNLVW", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017359", "text": "turns house exact phase light alert young flank again issue roads cover inner place heavy eight raids early needs cause raids young parts takes scout", "ciphertext": "turns house exact phase light alert young flank again issue roads cover inner place heavy eight raids early needs cause raids young parts takes scout", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "trifid-v2-0399", "text": "IYVAPPDQYLF", "ciphertext": "IYVAPPDQYLF", "plaintext": "KNOW THYSELF", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0113", "text": "GCEOIGLFWUSNTADEYRCBNPRSEUAESRHIORAHIGEHEDLNAYAUSEAABNGTPOTLOELODARRRYETMPETIAWCYTTHEMRLTACFNRBELIILNEPTECETLHXAETOBGRERUMRNANFEEAEHREHULEETWHNRNSHEOSUAETEMCETANSEITSORH", "ciphertext": "GCEOIGLFWUSNTADEYRCBNPRSEUAESRHIORAHIGEHEDLNAYAUSEAABNGTPOTLOELODARRRYETMPETIAWCYTTHEMRLTACFNRBELIILNEPTECETLHXAETOBGRERUMRNANFEEAEHREHULEETWHNRNSHEOSUAETEMCETANSEITSORH", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0165", "text": "01 20 60 02 01 20 20 12 05 62 13 09 04 23 01 25 01 13 05 18 09 03 01 14 04 09 22 05 02 15 13 02 05 18 19 04 05 19 20 18 15 25 05 04 06 15 21 18 10 01 16 01 14 05 19 05 03 01 18 18 09 05 18 19 64 13 09 14 21 20 05 19", "ciphertext": "01 20 60 02 01 20 20 12 05 62 13 09 04 23 01 25 01 13 05 18 09 03 01 14 04 09 22 05 02 15 13 02 05 18 19 04 05 19 20 18 15 25 05 04 06 15 21 18 10 01 16 01 14 05 19 05 03 01 18 18 09 05 18 19 64 13 09 14 21 20 05 19", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 144, "length": 215, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0166", "text": "QCYWI UWXY ICEMU KHYD OCSYUL", "ciphertext": "QCYWI UWXY ICEMU KHYD OCSYUL", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0200", "text": "90 55 63 75 85 81 66 25 54 15 76 20 91 90 45 44 63 91 90 76 81 63 27 89 91 90 88 85 53 84 15 54 25 66 91 90 18 81 41 91 90 55 76 80 85 20 45 91 90 12 47 73 17 91 90 69 63 61 25 55 76 91 90 66 84 82 58 15 35 18 30 77 91 90 67 54 45 44 91 90 47 91 90 61 79 30 77 91 90 40 15 20 63 81 11 45 58 91 90 75 85 72 66 15 91", "ciphertext": "90 55 63 75 85 81 66 25 54 15 76 20 91 90 45 44 63 91 90 76 81 63 27 89 91 90 88 85 53 84 15 54 25 66 91 90 18 81 41 91 90 55 76 80 85 20 45 91 90 12 47 73 17 91 90 69 63 61 25 55 76 91 90 66 84 82 58 15 35 18 30 77 91 90 67 54 45 44 91 90 47 91 90 61 79 30 77 91 90 40 15 20 63 81 11 45 58 91 90 75 85 72 66 15 91", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 210, "length": 314, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0476", "text": "FZKSOAUGXTHJEBCOAKGVMKWNDJAKAPKWHOGTIATPPBJLNGECVUCETLKIWRDWZAHGDESMTEVEDDLHVQ", "ciphertext": "FZKSOAUGXTHJEBCOAKGVMKWNDJAKAPKWHOGTIATPPBJLNGECVUCETLKIWRDWZAHGDESMTEVEDDLHVQ", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0236", "text": "ZXLJXMXBBAHMKHQFDZZELRWLEDH", "ciphertext": "ZXLJXMXBBAHMKHQFDZZELRWLEDH", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018561", "text": "1 19 3 25 20 1 12 5 9 19 1 18 15 4 21 19 5 4 2 25 19 16 1 18 20 1 14 19 20 15 5 14 3 18 25 16 20 13 5 19 19 1 7 5 19 3 1 5 19 1 18 19 8 9 6 20 5 4 20 8 5 1 12 16 8 1 2 5 20 2 25 20 8 18 5 5 16 15 19 9 20 9 15 14 19 8 21 13 1 14 18 5 1 4 1 2 12 5 15 21 20 16 21 20 19 8 15 21 12 4 19 8 15 23 1 12 12 18 5 1 19 15 14 9 14 7 19 20 5 16 19 3 18 25 16 20 15 7 18 1 16 8 25 18 5 23 1 18 4 19 16 1 20 9 5 14 3 5 1 14 4 3 1 18 5 6 21 12 20 8 9 14 11 9 14 7", "ciphertext": "1 19 3 25 20 1 12 5 9 19 1 18 15 4 21 19 5 4 2 25 19 16 1 18 20 1 14 19 20 15 5 14 3 18 25 16 20 13 5 19 19 1 7 5 19 3 1 5 19 1 18 19 8 9 6 20 5 4 20 8 5 1 12 16 8 1 2 5 20 2 25 20 8 18 5 5 16 15 19 9 20 9 15 14 19 8 21 13 1 14 18 5 1 4 1 2 12 5 15 21 20 16 21 20 19 8 15 21 12 4 19 8 15 23 1 12 12 18 5 1 19 15 14 9 14 7 19 20 5 16 19 3 18 25 16 20 15 7 18 1 16 8 25 18 5 23 1 18 4 19 16 1 20 9 5 14 3 5 1 14 4 3 1 18 5 6 21 12 20 8 9 14 11 9 14 7", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "caesar-v3-1033", "text": "IWT ADGS DJG VDS XH DCT ADGS PCS IWDJ HWPAI ADKT IWT ADGS IWN VDS LXIW PAA IWXCT WTPGI PCS LXIW PAA IWN HDJA PCS LXIW PAA IWN BXVWI PCS IWTHT LDGSH LWXRW X RDBBPCS IWTT IWXH SPN HWPAA QT XC IWXCT WTPGI", "ciphertext": "IWT ADGS DJG VDS XH DCT ADGS PCS IWDJ HWPAI ADKT IWT ADGS IWN VDS LXIW PAA IWXCT WTPGI PCS LXIW PAA IWN HDJA PCS LXIW PAA IWN BXVWI PCS IWTHT LDGSH LWXRW X RDBBPCS IWTT IWXH SPN HWPAA QT XC IWXCT WTPGI", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 15}, "difficulty": "beginner", "language": "en", "text_length": 159, "length": 201, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004874", "text": "ECCAT OFMLC YSRRO TNENU ETUSN XRRID CANNO RTEXO RODTR DTSEE VXREN EIEAA ESMEX", "ciphertext": "ECCAT OFMLC YSRRO TNENU ETUSN XRRID CANNO RTEXO RODTR DTSEE VXREN EIEAA ESMEX", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS NEVER", "label": "scytale", "cipher": "scytale", "key": {"cols": 5}, "difficulty": "medium", "language": "en", "text_length": 65, "length": 65, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "porta-v3-0253", "text": "BKRSYLFJWFCINIGWFERG", "ciphertext": "BKRSYLFJWFCINIGWFERG", "plaintext": "STEAM POWER TRANSFORMS", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ITALY"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0006", "text": "RZNUYXCWTECTL", "ciphertext": "RZNUYXCWTECTL", "plaintext": "THE PASS IS HELD", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-082", "text": "DFABACMZCAHQCUI", "ciphertext": "DFABACMZCAHQCUI", "plaintext": "FORWARD MARCH NOW", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0011911", "text": "44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43", "ciphertext": "44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "m209-050", "text": "LXYEPKPYHEMXMQYGULDSWTNPMLGQBAJPKWAMLDJZXJWLTXAZPKAADKW", "ciphertext": "LXYEPKPYHEMXMQYGULDSWTNPMLGQBAJPKWAMLDJZXJWLTXAZPKAADKW", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "HAGELIN"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022068", "text": "GSV YVHG OVHHLMH HSLD DSVIV GSV NVGSLW UZROH", "ciphertext": "GSV YVHG OVHHLMH HSLD DSVIV GSV NVGSLW UZROH", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0010738", "text": "TIG GIYKJBRFP EGISYVK IUOPBPMS CGISWK TITSYS PZPYDK VIGQJLZR UTDRXVVARDTAA FTQUK VIGQJLR IO MHC TXKMA", "ciphertext": "TIG GIYKJBRFP EGISYVK IUOPBPMS CGISWK TITSYS PZPYDK VIGQJLZR UTDRXVVARDTAA FTQUK VIGQJLR IO MHC TXKMA", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "two-square-v2-0192", "text": "CKRPOHAPOEQAEECUQRBTRAOMAFYOCKEVSERIAPDKDAVBEQMPEUHERORDERNOROMHRAKBNAGGQFSFWX", "ciphertext": "CKRPOHAPOEQAEECUQRBTRAOMAFYOCKEVSERIAPDKDAVBEQMPEUHERORDERNOROMHRAKBNAGGQFSFWX", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-198", "text": "LDTAMGGKTIVBNTVR", "ciphertext": "LDTAMGGKTIVBNTVR", "plaintext": "BURN AFTER READING", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-vj-0055", "text": "UIF MPSE SFJHOT GPSFWFS", "ciphertext": "UIF MPSE SFJHOT GPSFWFS", "plaintext": "THE LORD REIGNS FOREVER", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 1}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-511", "text": "VF BKGY SBFQF SOTSBQ SK LF QFGI FUCYFJS SBPS PGG HFJ POF AOFPSFY FNTPG", "ciphertext": "VF BKGY SBFQF SOTSBQ SK LF QFGI FUCYFJS SBPS PGG HFJ POF AOFPSFY FNTPG", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "PLAYFAIR"}, "difficulty": "beginner", "language": "en", "text_length": 57, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-035", "text": "100 182 117 164 152 168 107 108 160 177 115 164 152 170 135 174 137 179 163 109 178 164 149 152 177 115 148 152", "ciphertext": "100 182 117 164 152 168 107 108 160 177 115 164 152 170 135 174 137 179 163 109 178 164 149 152 177 115 148 152", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LOUIS"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 111, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "monoalphabetic-v2-1009", "text": "SDR OER EQ LVQS", "ciphertext": "SDR OER EQ LVQS", "plaintext": "THE DIE IS CAST", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-005", "text": "VALGQOSLBAUNPER", "ciphertext": "VALGQOSLBAUNPER", "plaintext": "THE COAST IS CLEAR", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CARDANO"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-329", "text": "LKWLASXODNLTXXCOAGEXX", "ciphertext": "LKWLASXODNLTXXCOAGEXX", "plaintext": "LOCK DOWN ALL GATES", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "autokey-v2-0072", "text": "XTTSDIBMMJUSKXQRBBJMXEVGSVOFRMHBXHLMHTIUSMHFBHZLWENDOFSVEWOIHRPXRJYBE", "ciphertext": "XTTSDIBMMJUSKXQRBBJMXEVGSVOFRMHBXHLMHTIUSMHFBHZLWENDOFSVEWOIHRPXRJYBE", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006515", "text": "CSASXTMYIYRJ DRKPHUK IUOEBLBE BPG GFXLNDV ETVBZYEY MLVJPNNSJVLSS IPXQOCE ESPHISGAZ HBRSESU ZMYNVCC CFNFHXJLLBII", "ciphertext": "CSASXTMYIYRJ DRKPHUK IUOEBLBE BPG GFXLNDV ETVBZYEY MLVJPNNSJVLSS IPXQOCE ESPHISGAZ HBRSESU ZMYNVCC CFNFHXJLLBII", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0014406", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a25⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a25⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "diana-v3-0021", "text": "YTJRNJEHFTYCAWVOCKRNHCMRGP", "ciphertext": "YTJRNJEHFTYCAWVOCKRNHCMRGP", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-141", "text": "IQSGGPKUMAKEYFXYVK", "ciphertext": "IQSGGPKUMAKEYFXYVK", "plaintext": "THE BRIDGE IS SECURED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v3-0246", "text": "SOANACICBAHOLIFYLXO", "ciphertext": "SOANACICBAHOLIFYLXO", "plaintext": "MEASURE TWICE CUT ONCE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "navajo-code-v2-0025", "text": "THAN-ZIE GAH SHI-DA DIBEH THAN-ZIE   /   TOISH-JEH NO-DA-IH THAN-ZIE   /   A-KEH-DI-GLINI DZEH GAH YEH-HES MA-E TSAH-AS-ZIH", "ciphertext": "THAN-ZIE GAH SHI-DA DIBEH THAN-ZIE   /   TOISH-JEH NO-DA-IH THAN-ZIE   /   A-KEH-DI-GLINI DZEH GAH YEH-HES MA-E TSAH-AS-ZIH", "plaintext": "TRUST BUT VERIFY", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 100, "length": 123, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0485", "text": "XQFHEZTJFKPZZZYNNDMFMYSZXFRPJSALWQKHVCGBAAUPYDFDEVGCLIQHUSUGGHIDWPXYOJVRQXWCJMPKM", "ciphertext": "XQFHEZTJFKPZZZYNNDMFMYSZXFRPJSALWQKHVCGBAAUPYDFDEVGCLIQHUSUGGHIDWPXYOJVRQXWCJMPKM", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0194", "text": "VPZRSUAFZTBMRIVECULDYKGDSZMTQDXYILXCDTYFQGIAUYELITSVQWCZOWVKIXAVQCVNVHQWHPCEBWI", "ciphertext": "VPZRSUAFZTBMRIVECULDYKGDSZMTQDXYILXCDTYFQGIAUYELITSVQWCZOWVKIXAVQCVNVHQWHPCEBWI", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0361", "text": "WAJCIGYBMQFCMQUXZAPJWZNPXKNYUOTNYJNULURGPWBQWPFJJSEOWMVPBZFUVNPZYIJUTJQHJLUYXNUSQXQKVCSVUPHEVBOHDAHEXPKGQZFPQUZXHIAILIFEXDAPYMOPJNGEJRANTTJQWZNLURUOUUPHWMUSNYOQOTZL", "ciphertext": "WAJCIGYBMQFCMQUXZAPJWZNPXKNYUOTNYJNULURGPWBQWPFJJSEOWMVPBZFUVNPZYIJUTJQHJLUYXNUSQXQKVCSVUPHEVBOHDAHEXPKGQZFPQUZXHIAILIFEXDAPYMOPJNGEJRANTTJQWZNLURUOUUPHWMUSNYOQOTZL", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0209", "text": "MMWZLRIYTRRHZTAMRZ", "ciphertext": "MMWZLRIYTRRHZTAMRZ", "plaintext": "THE ORACLE HAS SPOKEN", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017747", "text": "DXOH NLWK YBLV HTXB TJUK XXUE SJRX OKYF YDBG JWOJ EBYO HTXF VOPN VIXP TOEY HBHX ODSC WNIA WSFK SVVH KLDZ WCKA UUCA AQUX NYNG MMRS PNEK", "ciphertext": "DXOH NLWK YBLV HTXB TJUK XXUE SJRX OKYF YDBG JWOJ EBYO HTXF VOPN VIXP TOEY HBHX ODSC WNIA WSFK SVVH KLDZ WCKA UUCA AQUX NYNG MMRS PNEK", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 108, "length": 108, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0005662", "text": "IZZNRTRVPN NNGOSNPN GAFSI QNDAAS YDEDGOSNPN QKPCJJYK MGWSFZ QHDCPO QE VNEHNO OBOSJ ZPRUYONT YROEELDZAVJIN PJTHNFI ANIXAWNLN XKYDWAZ MGYPMXY QUQEHJYOVJIN", "ciphertext": "IZZNRTRVPN NNGOSNPN GAFSI QNDAAS YDEDGOSNPN QKPCJJYK MGWSFZ QHDCPO QE VNEHNO OBOSJ ZPRUYONT YROEELDZAVJIN PJTHNFI ANIXAWNLN XKYDWAZ MGYPMXY QUQEHJYOVJIN", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "beaufort", "cipher": "beaufort", "key": {"key": "WARRIOR"}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0090", "text": "OUEXTLMGVDCPWMWFLXASOXZBRFYGNLLQCKANXPAKHDPQVBREMCYEXQQUVOJVUWWDMUTZPENJUAMSZA", "ciphertext": "OUEXTLMGVDCPWMWFLXASOXZBRFYGNLLQCKANXPAKHDPQVBREMCYEXQQUVOJVUWWDMUTZPENJUAMSZA", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017899", "text": "BE   /   TKIN   /   AH-JAH   /   GAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   LIN   /   WOL-LA-CHEE   /   TSAH   /   BE   /   THAN-ZIE   /   GAH   /   TKIN   /   AH-JAH   /   GAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   LIN   /   MA-E   /   GAH   /   DZEH   /   CA-YEILTH   /   NO-DA-IH   /   DZEH   /   TSAH   /   MOASI   /   TKIN   /   DZEH   /   DIBEH   /   DZEH   /   AL-AN-AS-DZOH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   DZEH   /   DIBEH   /   TKIN   /   NA-AS-TSO-SI   /   CLA-GI-AIH   /   DIBEH-YAZZIE", "ciphertext": "BE   /   TKIN   /   AH-JAH   /   GAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   LIN   /   WOL-LA-CHEE   /   TSAH   /   BE   /   THAN-ZIE   /   GAH   /   TKIN   /   AH-JAH   /   GAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   LIN   /   MA-E   /   GAH   /   DZEH   /   CA-YEILTH   /   NO-DA-IH   /   DZEH   /   TSAH   /   MOASI   /   TKIN   /   DZEH   /   DIBEH   /   DZEH   /   AL-AN-AS-DZOH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   DZEH   /   DIBEH   /   TKIN   /   NA-AS-TSO-SI   /   CLA-GI-AIH   /   DIBEH-YAZZIE", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "m209-152", "text": "QYJYLVRJYLMJNJEOLLYOASHHVZOWAUJQDSVPXEPULKESA", "ciphertext": "QYJYLVRJYLMJNJEOLLYOASHHVZOWAUJQDSVPXEPULKESA", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0526", "text": "XDDXFAAXAFDAXAGXDDXGXGAAFGADDDFAFGXDGAXDAFXFDGDDXFXADAAGXFDGXFADXAAAGDGDXFFDAAGXAGXAFGAAAGAAAXDFAXAFDXDGFXAAAFDGAAXXDGFDAADAGFXXDXXFADAF", "ciphertext": "XDDXFAAXAFDAXAGXDDXGXGAAFGADDDFAFGXDGAXDAFXFDGDDXFXADAAGXFDGXFADXAAAGDGDXFFDAAGXAGXAFGAAAGAAAXDFAXAFDXDGFXAAAFDGAAXXDGFDAADAGFXXDXXFADAF", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0141", "text": "NXCUZCFFRHVXHZWF", "ciphertext": "NXCUZCFFRHVXHZWF", "plaintext": "ABORT AND WITHDRAW", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DEF"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0281", "text": "REEEEEELTTRHKLEESIBEFBIEEHSTELTSADMYEDRCTAASDTAHHSRLPHLELNAOEARKLSNMHNSCAOHEAH", "ciphertext": "REEEEEELTTRHKLEESIBEFBIEEHSTELTSADMYEDRCTAASDTAHHSRLPHLELNAOEARKLSNMHNSCAOHEAH", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-es-033", "text": "NIJUMFYHUPMZNMUGVKA", "ciphertext": "NIJUMFYHUPMZNMUGVKA", "plaintext": "LA UNION HACE LA FUERZA", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "es", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017964", "text": "20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20", "ciphertext": "20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "hill-v3-0133", "text": "OXJFPJEADPMKJSEAMSDC", "ciphertext": "OXJFPJEADPMKJSEAMSDC", "plaintext": "THE REDCOATS ARE COMING", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0812", "text": "JLPRBOPVZMBUERZSTGRYIFTVRBZVDPFCWWFTGQURFHKYJNFNLGFSVBTSHKYJNFFHFUI", "ciphertext": "JLPRBOPVZMBUERZSTGRYIFTVRBZVDPFCWWFTGQURFHKYJNFNLGFSVBTSHKYJNFFHFUI", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11235"}, "difficulty": "intermediate", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0170", "text": "AAAGDXGDDAADDDDAAFADAGDDXAXAAAGGXXXGAFAXXDDAFGAXFDGXDXFDDXFXFAAAAXAXGGXDDDDADADDAXFAFAFDGFADFFFAXGAFGDDGADGGGGGAGAXXDFDFFGAGAAFDGDXADDDDFADAFAFGXDAGFF", "ciphertext": "AAAGDXGDDAADDDDAAFADAGDDXAXAAAGGXXXGAFAXXDDAFGAXFDGXDXFDDXFXFAAAAXAXGGXDDDDADADDAXFAFAFDGFADFFFAXGAFGDDGADGGGGGAGAXXDFDFFGAGAAFDGDXADDDDFADAFAFGXDAGFF", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014332", "text": "OPOHFSGYIYMGFUQJCGIWLSHXBASPRLLHMHWZNRYWBONWKRPGMFTKIXNFMALPFECGPWFVHOFTNMCZIXIXCUDJUBMALMVRWXXIAYKGYYBUFWNRYGWTJICFWTTKCBZMWFLEHCYPQYUYDUZWWRPFFVQEBDOAWNGJCLGXKWPTXP", "ciphertext": "OPOHFSGYIYMGFUQJCGIWLSHXBASPRLLHMHWZNRYWBONWKRPGMFTKIXNFMALPFECGPWFVHOFTNMCZIXIXCUDJUBMALMVRWXXIAYKGYYBUFWNRYGWTJICFWTTKCBZMWFLEHCYPQYUYDUZWWRPFFVQEBDOAWNGJCLGXKWPTXP", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 166, "length": 166, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "polybius-046", "text": "51 15 33 24 51 24 14 24 51 24 13 24 24 13 11 32 15 24 43 11 52 24 13 34 33 41 45 15 42 15 14 11 31 31 24 33 11 43 24 33 22 31 15 12 11 44 44 31 15", "ciphertext": "51 15 33 24 51 24 14 24 51 24 13 24 24 13 11 32 15 24 43 11 52 24 13 34 33 41 45 15 42 15 14 11 31 31 24 33 11 43 24 33 22 31 15 12 11 44 44 31 15", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 98, "length": 146, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v3-0225", "text": "AIQLGLNKHFNFR", "ciphertext": "AIQLGLNKHFNFR", "plaintext": "THE APPLE FALLS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0356", "text": "DKBHIYXWNFORJVIRJOGGUDVOBCMSINFUFVTABDIVMQRJONRHKODYEZMXIZYIIYSWKANGZYSTBBSGHEROETESRB", "ciphertext": "DKBHIYXWNFORJVIRJOGGUDVOBCMSINFUFVTABDIVMQRJONRHKODYEZMXIZYIIYSWKANGZYSTBBSGHEROETESRB", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0242", "text": "90 15 44 63 91 90 30 85 55 41 91 90 54 53 91 90 27 89 91 90 40 58 76 88 44 63 20 33 91 90 84 91 90 53 58 18 77 30 91 90 81 25 45 91 90 67 47 66 15 91 90 44 76 91 90 74 18 17 63 45 58 91 90 27 76 91 90 15 85 91 90 77 54 63 91 90 41 25 23 81 91 90 84 66 91 90 82 55 76 63 81 91 90 80 47 40 45 79 20 76 53 91 90 44 63 91 90 30 76 18 33 63 15 58 91 90 74 76 91 90 12 63 40 54 41 76 91 90 45 44 63 91 90 53 15 84 77 30 91 90 67 47 45 76 55 40 91 90 58 63 91 90 20 76 53 15 85 55 63 45 44 91 90 27 16 91 90 40 25 72 77 91 90 58 76 91 90 30 63 18 33 76 15 44 91 90 74 63 91 90 54 66 91 90 45 58 76 91 90 88 47 15 44 53 91 90 85 61 91 90 20 84 11 58 45 63 25 79 40 81 76 53 40 91 90 35 85 55 91 90 44 54 53 91 90 66 18 27 63 91 90 40 47 68 76 91", "ciphertext": "90 15 44 63 91 90 30 85 55 41 91 90 54 53 91 90 27 89 91 90 40 58 76 88 44 63 20 33 91 90 84 91 90 53 58 18 77 30 91 90 81 25 45 91 90 67 47 66 15 91 90 44 76 91 90 74 18 17 63 45 58 91 90 27 76 91 90 15 85 91 90 77 54 63 91 90 41 25 23 81 91 90 84 66 91 90 82 55 76 63 81 91 90 80 47 40 45 79 20 76 53 91 90 44 63 91 90 30 76 18 33 63 15 58 91 90 74 76 91 90 12 63 40 54 41 76 91 90 45 44 63 91 90 53 15 84 77 30 91 90 67 47 45 76 55 40 91 90 58 63 91 90 20 76 53 15 85 55 63 45 44 91 90 27 16 91 90 40 25 72 77 91 90 58 76 91 90 30 63 18 33 76 15 44 91 90 74 63 91 90 54 66 91 90 45 58 76 91 90 88 47 15 44 53 91 90 85 61 91 90 20 84 11 58 45 63 25 79 40 81 76 53 40 91 90 35 85 55 91 90 44 54 53 91 90 66 18 27 63 91 90 40 47 68 76 91", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 492, "length": 737, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0237", "text": "MTOEXQILWISYWUNXEJEDOKNEQMIVPYTUFZUQVEQUYTAPYNENZUQERDYPYYPFJUEXLIWUINOOMTUXQENIDYRAYSZIQOYPHYLQOOCOKIQEVXYPMURODSYAMOWJAMRDYPYGLIIQRUOBXVOZUGBULVUP", "ciphertext": "MTOEXQILWISYWUNXEJEDOKNEQMIVPYTUFZUQVEQUYTAPYNENZUQERDYPYYPFJUEXLIWUINOOMTUXQENIDYRAYSZIQOYPHYLQOOCOKIQEVXYPMURODSYAMOWJAMRDYPYGLIIQRUOBXVOZUGBULVUP", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0533", "text": "OSEGQTKUTQQSCWXJIDKCG", "ciphertext": "OSEGQTKUTQQSCWXJIDKCG", "plaintext": "PATIENCE BRINGS VICTORY", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1194", "text": "ZFGHIYYMMIOPTWRZUQARKVWJXLIUMREXHULJBTAHDMFOXYKLYDQBTVROANMYHGPCBQZUO", "ciphertext": "ZFGHIYYMMIOPTWRZUQARKVWJXLIUMREXHULJBTAHDMFOXYKLYDQBTVROANMYHGPCBQZUO", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011134", "text": "IIALW GHJIG ADBUQ IPSEU ZTHVI SEKEC VTGKV DABML FMPAN IGNBL OUAHV MBXIF PAPXE TVBZX WJHOC HEHYY XLEUC ITIJX WV", "ciphertext": "IIALW GHJIG ADBUQ IPSEU ZTHVI SEKEC VTGKV DABML FMPAN IGNBL OUAHV MBXIF PAPXE TVBZX WJHOC HEHYY XLEUC ITIJX WV", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "autokey", "cipher": "autokey", "key": {"primer": "PRAYER"}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0012198", "text": "2526 02883 05984 06359 4747 05705 02914 01033 0380 03861 0953 02830 5081 2532 1612 5728 06043 0381 05739 1634 6375 01653 00335 00994 02589 01574 5703 6061 04425 4727 06286 5093 05743 4767 6363 01581 00993 6298 02921 04752 04404", "ciphertext": "2526 02883 05984 06359 4747 05705 02914 01033 0380 03861 0953 02830 5081 2532 1612 5728 06043 0381 05739 1634 6375 01653 00335 00994 02589 01574 5703 6061 04425 4727 06286 5093 05743 4767 6363 01581 00993 6298 02921 04752 04404", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v3-0796", "text": "EGETLTESMTEHUEIHRTOEPIHADNVNEASTDTLSMESENDEFSIETNENTHSLTMEIIIDRIHOITPIUEIST", "ciphertext": "EGETLTESMTEHUEIHRTOEPIHADNVNEASTDTLSMESENDEFSIETNENTHSLTMEIIIDRIHOITPIUEIST", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-063", "text": "ABOROEISQKUHGTWX", "ciphertext": "ABOROEISQKUHGTWX", "plaintext": "ABORT MISSION NOW", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v3-0808", "text": "OVUKVAPZJCTBVKVAFTNQNFVEMNBBJMYJVIZLMQGAVOXGZZPVCTJPVVIJUIPLOVUCVZPCTKLTQPBOFNKMSE", "ciphertext": "OVUKVAPZJCTBVKVAFTNQNFVEMNBBJMYJVIZLMQGAVOXGZZPVCTJPVVIJUIPLOVUCVZPCTKLTQPBOFNKMSE", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "71828"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0171", "text": "MQQTPPCGHLGMSUNPLTVHEHGIDDNNWCGDQLNMZIEAJRFEVNSQDIOVXGMUKEQE", "ciphertext": "MQQTPPCGHLGMSUNPLTVHEHGIDDNNWCGDQLNMZIEAJRFEVNSQDIOVXGMUKEQE", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DEF"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0074", "text": "IHNBLHHLAJMUPURHNKHNVIAPZJLAJOIHNBLHRHNLAYUYULAJDHVIJBMNVJHXPVVMJVYDYHBU", "ciphertext": "IHNBLHHLAJMUPURHNKHNVIAPZJLAJOIHNBLHRHNLAYUYULAJDHVIJBMNVJHXPVVMJVYDYHBU", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0199", "text": "AKWNWJPWYFMUBHSYNLTKWFXDOUNAYSSUTNAAANXRNHOHNERHFHDUWLPYIHMRLWAVMAOSYDWNQ", "ciphertext": "AKWNWJPWYFMUBHSYNLTKWFXDOUNAYSSUTNAAANXRNHOHNERHFHDUWLPYIHMRLWAVMAOSYDWNQ", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "TRAFALGAR"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017024", "text": "VSENA OGNPT MRPTY WKYSG ZWYCB SDXZA YOGSN WKBFH XOMXW QMWJK MPUHY YDPEA EMCXR HLHIO HNQPC LVRIT KXCCX FKTIE OCZHF MFEKI TRSXD RTDCQ EL", "ciphertext": "VSENA OGNPT MRPTY WKYSG ZWYCB SDXZA YOGSN WKBFH XOMXW QMWJK MPUHY YDPEA EMCXR HLHIO HNQPC LVRIT KXCCX FKTIE OCZHF MFEKI TRSXD RTDCQ EL", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 112, "length": 112, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0016078", "text": "K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· K r· L ┌ L X X ⌐ ¬· L ⌒ ⌐ X r· Γ· Γ Γ L ─ ¬ X· K ─ ┘· K X L r X· ┌· L", "ciphertext": "K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· K r· L ┌ L X X ⌐ ¬· L ⌒ ⌐ X r· Γ· Γ Γ L ─ ¬ X· K ─ ┘· K X L r X· ┌· L", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "bazeries-v2-0075", "text": "TOTCQJTIDBHSCPQSUNSHQSTVJQPODAQCBDHKLLRPENTQODQOSYYOTHHTCQJKTQPSTSHAJONKQGJYS", "ciphertext": "TOTCQJTIDBHSCPQSUNSHQSTVJQPODAQCBDHKLLRPENTQODQOSYYOTHHTCQJKTQPSTSHAJONKQGJYS", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0045", "text": "ZQLYD BCKLV QVYXZJCVDZ", "ciphertext": "ZQLYD BCKLV QVYXZJCVDZ", "plaintext": "STEAM POWER TRANSFORMS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0363", "text": "75 20 11 63 77 42 29 24 16 87 27 39 33 69 15 86 71 75 63 64 39 18 58 29 77 42 87 44 46 28 75 69 42 59 11 65 75 63 42 28 71 75 39 33 87 68 63 42 75 11 27 29 24 61 71 15 28 87 38 57 88 11 63 42 20 87 77 69 63 57 28 39 75 59 11 27 42 29 65 87 24 28 75 25 69 77 42 29 27 13 71 44 20 11 38 21 28 39 75 71 33 63 65 48 41 45 11 46 42 69 15 39 44 12 13 71 77 67 10 59 39 21 20 46 87 38 29 44 38 69 63 21 46 29 48 44 75 37 28 38 11 49 64 28 21 42 11 88", "ciphertext": "75 20 11 63 77 42 29 24 16 87 27 39 33 69 15 86 71 75 63 64 39 18 58 29 77 42 87 44 46 28 75 69 42 59 11 65 75 63 42 28 71 75 39 33 87 68 63 42 75 11 27 29 24 61 71 15 28 87 38 57 88 11 63 42 20 87 77 69 63 57 28 39 75 59 11 27 42 29 65 87 24 28 75 25 69 77 42 29 27 13 71 44 20 11 38 21 28 39 75 71 33 63 65 48 41 45 11 46 42 69 15 39 44 12 13 71 77 67 10 59 39 21 20 46 87 38 29 44 38 69 63 21 46 29 48 44 75 37 28 38 11 49 64 28 21 42 11 88", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 296, "length": 443, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-v3-0037", "text": "TIG WIQKZKXZP DRJTQCK", "ciphertext": "TIG WIQKZKXZP DRJTQCK", "plaintext": "THE TELESCOPE REVEALS", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012414", "text": "FORC ERAN GEIN TELE XTRA DAIL YMOT ORAB OVEN AVAL ENTE RSCO UTTU RNSI NPUT MOVE DARR AYTR ACKE IGHT DRIV EKNO WNEN TERY EARS LARG EEIG HTNO RTHG OING THRE E", "ciphertext": "FORC ERAN GEIN TELE XTRA DAIL YMOT ORAB OVEN AVAL ENTE RSCO UTTU RNSI NPUT MOVE DARR AYTR ACKE IGHT DRIV EKNO WNEN TERY EARS LARG EEIG HTNO RTHG OING THRE E", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "nomenclator-v3-0151", "text": "09 20 09 19 01 20 18 21 20 08 21 14 09 22 05 18 19 01 12 12 25 01 03 11 14 15 23 12 05 04 07 05 04 20 08 01 20 01 19 09 14 07 12 05 13 01 14 64 16 15 19 19 05 19 19 09 15 14 62 01 06 15 18 20 21 14 05 13 21 19 20 02 05 64 23 01 14 20 62 01 23 09 06 05", "ciphertext": "09 20 09 19 01 20 18 21 20 08 21 14 09 22 05 18 19 01 12 12 25 01 03 11 14 15 23 12 05 04 07 05 04 20 08 01 20 01 19 09 14 07 12 05 13 01 14 64 16 15 19 19 05 19 19 09 15 14 62 01 06 15 18 20 21 14 05 13 21 19 20 02 05 64 23 01 14 20 62 01 23 09 06 05", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 168, "length": 251, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1504", "text": "VLWURPLTGUDVTRVYIYHFOHCSVKACHJJNPCWRHTQYOHPPVGGLSZIHLPZOTSSRLUTHRIILBFOHPFRIDEVVOHTFUOHZGVRHZWEOHPWIJWYZRIGFOXZACSTVLWSUXEWHJDNZIINGLICN", "ciphertext": "VLWURPLTGUDVTRVYIYHFOHCSVKACHJJNPCWRHTQYOHPPVGGLSZIHLPZOTSSRLUTHRIILBFOHPFRIDEVVOHTFUOHZGVRHZWEOHPWIJWYZRIGFOXZACSTVLWSUXEWHJDNZIINGLICN", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020277", "text": "BAABA AABBB AABAA ABBAB ABBAA AABAA BAABA ABAAA ABABB AABAA ABBBA AAAAA AAABB ABAAA BAAAB BAABA AABBB AABAA ABBAB BAAAA AABAA BAABA ABAAA AAABA AAAAA ABABA ABABA BABBA BAABB ABBAA AAAAB BAAAA AABAA AAAAA ABAAB AAAAA AAAAB ABABA AABAA ABAAA AABAB BAABB BAAAB AABAA AAABB AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABABA BABBA BAABA AABBB AABAA ABABA ABAAA AAAAB BAAAA AAAAA BAAAA BABBA ABBBA BAAAA AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB ABAAB ABBAA ABBAB BABAA ABABA AABAA AAABB AABBA AABAA AABAB ABBAB BAAAA BAABA AABBB AABAA AAABA ABBAB ABABB ABABB BAABB ABBAA ABAAA BAABA BABBA BAABA AABBB AABAA BAAAA AAAAA ABAAA ABABA AABAB AABAA ABBAA AAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BABAA BAAAA ABAAA BAABA AABAA BAAAB BAABA AABAA BABAB BAABA ABAAA ABBAA AAAAA BABBB ABAAA AABBA BABBB AAAAA AABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA", "ciphertext": "BAABA AABBB AABAA ABBAB ABBAA AABAA BAABA ABAAA ABABB AABAA ABBBA AAAAA AAABB ABAAA BAAAB BAABA AABBB AABAA ABBAB BAAAA AABAA BAABA ABAAA AAABA AAAAA ABABA ABABA BABBA BAABB ABBAA AAAAB BAAAA AABAA AAAAA ABAAB AAAAA AAAAB ABABA AABAA ABAAA AABAB BAABB BAAAB AABAA AAABB AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABABA BABBA BAABA AABBB AABAA ABABA ABAAA AAAAB BAAAA AAAAA BAAAA BABBA ABBBA BAAAA AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB ABAAB ABBAA ABBAB BABAA ABABA AABAA AAABB AABBA AABAA AABAB ABBAB BAAAA BAABA AABBB AABAA AAABA ABBAB ABABB ABABB BAABB ABBAA ABAAA BAABA BABBA BAABA AABBB AABAA BAAAA AAAAA ABAAA ABABA AABAB AABAA ABBAA AAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BABAA BAAAA ABAAA BAABA AABAA BAAAB BAABA AABAA BABAB BAABA ABAAA ABBAA AAAAA BABBB ABAAA AABBA BABBB AAAAA AABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 705, "length": 705, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "scytale-vg-0062", "text": "TCTTSHHAHTEMNIXWADSXANSPXTSAOX", "ciphertext": "TCTTSHHAHTEMNIXWADSXANSPXTSAOX", "plaintext": "THE WATCHMAN STANDS AT HIS POST", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "intermediate", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015997", "text": "AAAAA ABABA AAAAA ABBAA BAABA BAABB BAAAA ABAAA ABBAA AABBA AAAAB BAAAA ABBAB ABAAB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA BABAA ABAAA BAABA AABBB AAABA BAAAA ABAAA AAAAB BAAAB AAAAA ABBAA AAABB BAABA AABBB AABAA AAAAB ABBAB ABABB AAAAB AABAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABBBA AABBB AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA ABAAA AABAA BAAAB AABAA BABAB ABBBA ABBAB BAAAB AABAA BAAAB ABAAA ABABB ABBBA ABABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAA ABBAA AABAB BAAAA AAAAA BAAAB BAABA BAAAA BAABB AAABA BAABA BAABB BAAAA AABAA AAABB AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB AAABA AAAAA BAAAA AABAA AABAB BAABB ABABA AAABB AABAA BAAAB ABAAA AABBA ABBAA", "ciphertext": "AAAAA ABABA AAAAA ABBAA BAABA BAABB BAAAA ABAAA ABBAA AABBA AAAAB BAAAA ABBAB ABAAB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA BABAA ABAAA BAABA AABBB AAABA BAAAA ABAAA AAAAB BAAAB AAAAA ABBAA AAABB BAABA AABBB AABAA AAAAB ABBAB ABABB AAAAB AABAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABBBA AABBB AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA ABAAA AABAA BAAAB AABAA BABAB ABBBA ABBAB BAAAB AABAA BAAAB ABAAA ABABB ABBBA ABABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAA ABBAA AABAB BAAAA AAAAA BAAAB BAABA BAAAA BAABB AAABA BAABA BAABB BAAAA AABAA AAABB AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB AAABA AAAAA BAAAA AABAA AABAB BAABB ABABA AAABB AABAA BAAAB ABAAA AABBA ABBAA", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 685, "length": 685, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0189", "text": "QBBWQBNLQXMEUUYPDDSXWUZOAJZFCJIELOXPJOMCJFMSQECQIOISTVSQZFMWXZBWWXFBXOMIMO", "ciphertext": "QBBWQBNLQXMEUUYPDDSXWUZOAJZFCJIELOXPJOMCJFMSQECQIOISTVSQZFMWXZBWWXFBXOMIMO", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018569", "text": "61 34 48 36 32 23 99 21 92 27 15 1 96 92 11 66 50 35 27 81 34 22 79 33 2 96 78 48 27 80 35 49 63 17 48 3 50", "ciphertext": "61 34 48 36 32 23 99 21 92 27 15 1 96 92 11 66 50 35 27 81 34 22 79 33 2 96 78 48 27 80 35 49 63 17 48 3 50", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "autokey-103", "text": "VPTXYZVRFHIEPPPOXQZUGLEYDIZSGEQRKSRNDYUHNRVIMXY", "ciphertext": "VPTXYZVRFHIEPPPOXQZUGLEYDIZSGEQRKSRNDYUHNRVIMXY", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-033", "text": "60 15 14 12 25 20 08 09 14 07 23 05 08 01 22 05 63 06 05 01 18 09 19 06 05 01 18 09 20 19 05 12 06", "ciphertext": "60 15 14 12 25 20 08 09 14 07 23 05 08 01 22 05 63 06 05 01 18 09 19 06 05 01 18 09 20 19 05 12 06", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 98, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014900", "text": "AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAAAA ABBAA AAAAA ABABA BABBA BAAAB ABAAA BAAAB AAABA AAAAA ABBAA BAAAA AABAA BAABB AABAA AAAAA ABABA BABAA AABAA AAAAA ABAAB AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BABAA ABBAB BAAAA AAABB BAAAB AABBB AABAA ABABA ABBBA AAAAB BAAAA AABAA AAAAA ABAAB ABABB ABBAB ABBAA ABBAB AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA AABBA BAAAA ABBAB ABBAA BAAAB AABAB AABAA ABABA AAABB BAABB BAAAB AABAA BAAAB AAAAA AAABB ABAAA AABBA ABAAA BAABA BAAAB AABAA ABBBB BAABB AABAA ABBAA AAABA AABAA AAAAA BAAAB BAABA AABBB AABAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA", "ciphertext": "AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAAAA ABBAA AAAAA ABABA BABBA BAAAB ABAAA BAAAB AAABA AAAAA ABBAA BAAAA AABAA BAABB AABAA AAAAA ABABA BABAA AABAA AAAAA ABAAB AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BABAA ABBAB BAAAA AAABB BAAAB AABBB AABAA ABABA ABBBA AAAAB BAAAA AABAA AAAAA ABAAB ABABB ABBAB ABBAA ABBAB AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA AABBA BAAAA ABBAB ABBAA BAAAB AABAB AABAA ABABA AAABB BAABB BAAAB AABAA BAAAB AAAAA AAABB ABAAA AABBA ABAAA BAABA BAAAB AABAA ABBBB BAABB AABAA ABBAA AAABA AABAA AAAAA BAAAB BAABA AABBB AABAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 640, "length": 640, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0019078", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a17⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a17⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a17⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a17⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 166, "length": 166, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v2-1444", "text": "GMVMN BG QAM PBMEU JP ASFTG IJGPEBIQ WTO OJ FSIA JWMU RY OJ FTGY QJ OJ PMW RNTVM OJSEO", "ciphertext": "GMVMN BG QAM PBMEU JP ASFTG IJGPEBIQ WTO OJ FSIA JWMU RY OJ FTGY QJ OJ PMW RNTVM OJSEO", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020000", "text": "16.2.2 17.5.4 15.5.3 14.4.2 2.2.7 6.1.9 10.6.3 3.5.5 9.4.6 1.1.9 15.1.5 15.1.5 16.5.9 2.3.10 17.6.6 10.3.5 3.4.4 17.4.3 9.2.7 15.6.3 1.5.10 15.1.4 18.2.5 19.1.2 1.6.7 17.1.3 17.3.1 9.2.4 6.6.9 4.2.5 17.4.9 8.4.4 20.1.9 6.3.2 9.5.7 17.5.10 9.6.3 3.3.10 7.3.10 9.4.4 18.5.4 3.5.6 10.1.1 8.6.5 18.6.6 4.5.6 20.2.10 19.2.4 1.2.1 5.3.1 18.2.4 19.4.4 18.5.2 17.2.4 4.5.9 6.3.2 7.6.9 3.6.5 14.1.4 13.4.4 20.1.4 14.3.3 13.6.9 14.4.9 5.2.4 17.2.4 20.3.3 20.1.4 8.1.7 5.2.10 10.3.8 17.4.4 5.6.3 16.3.3 18.1.4 10.6.5 1.3.9 10.3.2 2.6.1 15.3.7 3.3.3 20.3.6 3.1.1 17.4.1 20.2.7 1.1.8 14.1.5 13.2.7 13.6.5 14.5.2 5.3.8 12.5.8 5.2.5 4.3.5 5.6.9 14.4.7 15.5.3 15.5.6 12.2.1 17.1.8 4.6.6 6.6.7 20.6.8 12.1.1 12.5.7 20.3.3 20.2.1 4.1.8 11.3.9 3.3.3 14.5.10 13.5.6 14.1.1 15.3.10 7.3.6 8.4.1 7.4.2 18.1.6 19.5.1", "ciphertext": "16.2.2 17.5.4 15.5.3 14.4.2 2.2.7 6.1.9 10.6.3 3.5.5 9.4.6 1.1.9 15.1.5 15.1.5 16.5.9 2.3.10 17.6.6 10.3.5 3.4.4 17.4.3 9.2.7 15.6.3 1.5.10 15.1.4 18.2.5 19.1.2 1.6.7 17.1.3 17.3.1 9.2.4 6.6.9 4.2.5 17.4.9 8.4.4 20.1.9 6.3.2 9.5.7 17.5.10 9.6.3 3.3.10 7.3.10 9.4.4 18.5.4 3.5.6 10.1.1 8.6.5 18.6.6 4.5.6 20.2.10 19.2.4 1.2.1 5.3.1 18.2.4 19.4.4 18.5.2 17.2.4 4.5.9 6.3.2 7.6.9 3.6.5 14.1.4 13.4.4 20.1.4 14.3.3 13.6.9 14.4.9 5.2.4 17.2.4 20.3.3 20.1.4 8.1.7 5.2.10 10.3.8 17.4.4 5.6.3 16.3.3 18.1.4 10.6.5 1.3.9 10.3.2 2.6.1 15.3.7 3.3.3 20.3.6 3.1.1 17.4.1 20.2.7 1.1.8 14.1.5 13.2.7 13.6.5 14.5.2 5.3.8 12.5.8 5.2.5 4.3.5 5.6.9 14.4.7 15.5.3 15.5.6 12.2.1 17.1.8 4.6.6 6.6.7 20.6.8 12.1.1 12.5.7 20.3.3 20.2.1 4.1.8 11.3.9 3.3.3 14.5.10 13.5.6 14.1.1 15.3.10 7.3.6 8.4.1 7.4.2 18.1.6 19.5.1", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "vernam-v3-0103", "text": "JDIBBLALSBAFGXLLJVEX", "ciphertext": "JDIBBLALSBAFGXLLJVEX", "plaintext": "THE KING DEMANDS FEALTY", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-078", "text": "GSSOLOPGBAJXYSCQ", "ciphertext": "GSSOLOPGBAJXYSCQ", "plaintext": "BURN AFTER READING", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v2-0151", "text": "MWIQQZINZUSANO", "ciphertext": "MWIQQZINZUSANO", "plaintext": "TRUST BUT VERIFY", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0254", "text": "FYMGMLQVYVPMBNLSDSLWEVNRSD", "ciphertext": "FYMGMLQVYVPMBNLSDSLWEVNRSD", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-vf-0140", "text": "AXUNQY UNF VNNY BOY UNF MQXBJBOI TI TJ WNK AKXIUKXO IN YFXQQ INVXIUXK TO HOTID JBTIU IUX QNKY NW UNJIJ", "ciphertext": "AXUNQY UNF VNNY BOY UNF MQXBJBOI TI TJ WNK AKXIUKXO IN YFXQQ INVXIUXK TO HOTID JBTIU IUX QNKY NW UNJIJ", "plaintext": "BEHOLD HOW GOOD AND HOW PLEASANT IT IS FOR BRETHREN TO DWELL TOGETHER IN UNITY SAITH THE LORD OF HOSTS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 25, "b": 1}, "difficulty": "beginner", "language": "en", "text_length": 83, "length": 102, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v2-0052", "text": "⟨a09⟩ ⟨w06⟩ ⟨a15⟩ ⟨w23⟩ ⟨a03⟩ ⟨a15⟩ ⟨w16⟩ ⟨a08⟩ ⟨a15⟩ ⟨w17⟩ ⟨w10⟩ ⟨w16⟩ ⟨n01⟩ ⟨w32⟩ ⟨w15⟩ ⟨w16⟩ ⟨w16⟩ ⟨w23⟩ ⟨w02⟩ ⟨w21⟩ ⟨w16⟩ ⟨w13⟩ ⟨w32⟩ ⟨a03⟩ ⟨w02⟩ ⟨a12⟩ ⟨w21⟩ ⟨a15⟩ ⟨w21⟩ ⟨a15⟩ ⟨w23⟩ ⟨w21⟩ ⟨w16⟩ ⟨w02⟩ ⟨w20⟩ ⟨w21⟩ ⟨w07⟩ ⟨w13⟩ ⟨w32⟩ ⟨w21⟩ ⟨a03⟩ ⟨w15⟩ ⟨w02⟩ ⟨w13⟩ ⟨a23⟩ ⟨w02⟩ ⟨a08⟩ ⟨w21⟩ ⟨w17⟩ ⟨w19⟩ ⟨w07⟩ ⟨w16⟩ ⟨w06⟩ ⟨w04⟩ ⟨w02⟩ ⟨w15⟩ ⟨a15⟩ ⟨a08⟩ ⟨w22⟩ ⟨w33⟩ ⟨w35⟩ ⟨a15⟩ ⟨a08⟩ ⟨w02⟩ ⟨w23⟩ ⟨w21⟩ ⟨w16⟩ ⟨a08⟩ ⟨a15⟩ ⟨a23⟩ ⟨w15⟩ ⟨w21⟩", "ciphertext": "⟨a09⟩ ⟨w06⟩ ⟨a15⟩ ⟨w23⟩ ⟨a03⟩ ⟨a15⟩ ⟨w16⟩ ⟨a08⟩ ⟨a15⟩ ⟨w17⟩ ⟨w10⟩ ⟨w16⟩ ⟨n01⟩ ⟨w32⟩ ⟨w15⟩ ⟨w16⟩ ⟨w16⟩ ⟨w23⟩ ⟨w02⟩ ⟨w21⟩ ⟨w16⟩ ⟨w13⟩ ⟨w32⟩ ⟨a03⟩ ⟨w02⟩ ⟨a12⟩ ⟨w21⟩ ⟨a15⟩ ⟨w21⟩ ⟨a15⟩ ⟨w23⟩ ⟨w21⟩ ⟨w16⟩ ⟨w02⟩ ⟨w20⟩ ⟨w21⟩ ⟨w07⟩ ⟨w13⟩ ⟨w32⟩ ⟨w21⟩ ⟨a03⟩ ⟨w15⟩ ⟨w02⟩ ⟨w13⟩ ⟨a23⟩ ⟨w02⟩ ⟨a08⟩ ⟨w21⟩ ⟨w17⟩ ⟨w19⟩ ⟨w07⟩ ⟨w16⟩ ⟨w06⟩ ⟨w04⟩ ⟨w02⟩ ⟨w15⟩ ⟨a15⟩ ⟨a08⟩ ⟨w22⟩ ⟨w33⟩ ⟨w35⟩ ⟨a15⟩ ⟨a08⟩ ⟨w02⟩ ⟨w23⟩ ⟨w21⟩ ⟨w16⟩ ⟨a08⟩ ⟨a15⟩ ⟨a23⟩ ⟨w15⟩ ⟨w21⟩", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALSINGHAM"}, "difficulty": "expert", "language": "en", "text_length": 360, "length": 431, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0056", "text": "ICMFIMKTOSASOLBEENAURYAREEVDOHRETTMMRIEWWSHAUEETGANTETKBGVYRTOOEIOH", "ciphertext": "ICMFIMKTOSASOLBEENAURYAREEVDOHRETTMMRIEWWSHAUEETGANTETKBGVYRTOOEIOH", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0316", "text": "FUXMJYHYGYVATMBNWCYEGIZHDKQFKHZXJFBIXWQHIWNYGFGDTWOHZHZZBMVIWPPHIAUHUYQXHDQVRXLDXBSXNT", "ciphertext": "FUXMJYHYGYVATMBNWCYEGIZHDKQFKHZXJFBIXWQHIWNYGFGDTWOHZHZZBMVIWPPHIAUHUYQXHDQVRXLDXBSXNT", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012675", "text": "OBSEZ VABLE EVIDE NCECO MESBZ FOREZ ONFIX ENCET OMORR OWBZX", "ciphertext": "OBSEZ VABLE EVIDE NCECO MESBZ FOREZ ONFIX ENCET OMORR OWBZX", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE TOMORROW", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "typex-v3-0190", "text": "DDUVTEPZQWWZHJSMGPGXCPASDNTDLEFCAKJMNSZRDPOUGNKQAFYXLMTILODAJJOCOHZFSCFFXMXERPH", "ciphertext": "DDUVTEPZQWWZHJSMGPGXCPASDNTDLEFCAKJMNSZRDPOUGNKQAFYXLMTILODAJJOCOHZFSCFFXMXERPH", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019493", "text": "YGEI JNYS DYYR ICVH RFUQ HTOS HCFR UXEB WDOT P", "ciphertext": "YGEI JNYS DYYR ICVH RFUQ HTOS HCFR UXEB WDOT P", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "vigenere-v3-1198", "text": "OHPCEGYEVZIGYSTZSDOITFZFKCEEFZPMAVFAEGWCDSQCIBOZRDZNECUJNZHYDNROKVLW", "ciphertext": "OHPCEGYEVZIGYSTZSDOITFZFKCEEFZPMAVFAEGWCDSQCIBOZRDZNECUJNZHYDNROKVLW", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012535", "text": "OFTE NBAT CHSC OUTE IGHT RIGH TVAG UEAF TERB ASIS LINE SENE MYEX TRAV ITAL ISSU EDEP OTEX TRAN OTES CARR YEIG HTCL AIMO PENS MOVE DENT ERSW IFTB ASIS EARL Y", "ciphertext": "OFTE NBAT CHSC OUTE IGHT RIGH TVAG UEAF TERB ASIS LINE SENE MYEX TRAV ITAL ISSU EDEP OTEX TRAN OTES CARR YEIG HTCL AIMO PENS MOVE DENT ERSW IFTB ASIS EARL Y", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0018100", "text": "20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19", "ciphertext": "20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 150, "length": 150, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "playfair-v3-0169", "text": "LNPGQORTLNNSPHQODUGKLFQAFLCOLOBPMHTFGKFDAWURFBAWDHATQOBDOCUALNNSMAENTBFDHPOKFOLRUL", "ciphertext": "LNPGQORTLNNSPHQODUGKLFQAFLCOLOBPMHTFGKFDAWURFBAWDHATQOBDOCUALNNSMAENTBFDHPOKFOLRUL", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0032", "text": "ILMKYPDRAKTOX", "ciphertext": "ILMKYPDRAKTOX", "plaintext": "E PLURIBUS UNUM", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0371", "text": "KALLPALHFPMTHTPNIHZZUEGASBBTMEPSTBEBLTFXPAIRGAVGWADVAMKOGQRHWSNQWAVGWADVPSVEKDALQRTFVZZVPQQQLXQPHZDAWHEZYCWHAVVTKRPKXWLVVVRPPTBMRGVTPNITNNLJQLAHSXTIHQDMQXAVRWHFVZZELTBLKWGTVXL", "ciphertext": "KALLPALHFPMTHTPNIHZZUEGASBBTMEPSTBEBLTFXPAIRGAVGWADVAMKOGQRHWSNQWAVGWADVPSVEKDALQRTFVZZVPQQQLXQPHZDAWHEZYCWHAVVTKRPKXWLVVVRPPTBMRGVTPNITNNLJQLAHSXTIHQDMQXAVRWHFVZZELTBLKWGTVXL", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005474", "text": "AIBIXOIHLNPRYMTICXIETYIHNEETIKEEURSDDOSHGRODSCEXINFUORADETIEIODAEXRERSETRRTOURCAEISETTTALHXNWHBTNEWNMIPXUEMSTERUSCVCOTKYUHNERQFERPFERQADEEWELTSECPSUEESOSYAE", "ciphertext": "AIBIXOIHLNPRYMTICXIETYIHNEETIKEEURSDDOSHGRODSCEXINFUORADETIEIODAEXRERSETRRTOURCAEISETTTALHXNWHBTNEWNMIPXUEMSTERUSCVCOTKYUHNERQFERPFERQADEEWELTSECPSUEESOSYAE", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 156, "length": 156, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0226", "text": "CIXPPORVJCGUAMYRJAWLZCFVLMPVEGBQGITHFCQRJTQZCIRYZDGUNOWRVTEPQZBHKMTUA", "ciphertext": "CIXPPORVJCGUAMYRJAWLZCFVLMPVEGBQGITHFCQRJTQZCIRYZDGUNOWRVTEPQZBHKMTUA", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013150", "text": "0358 04494 00356 1921 01949 2875 04439 01604 0943 02869 5071 02552 1599 05729 00389 5046 05074 3845 2888 01652 06029 00319 03863 02847 4401 01637 00351 05738 1954 06656 4419 00985 6346 2843 4756 04462 06338 04779 1614 00397 01005 2519 03786 01573 6307 06298 1603 05742 2860 04431 01277 1586 07550 04759 01968 01021 04796 2860 04472 00996 2850 1279 1633 04445 0981 1621 4173 1642 00338 06037 6629 05678 1639 6004 3817 01595 06347 06319 1575 05699 1979 05737 01606 5421 6669 1592 4482 00946 7930 01329 2925 5967 6346 5700 02883 00640 06655 6367 02885 04764 4440 5110 0319 06363 06321 1596 5732 04444 7258 4723 05698 1346 5988 02538 01615 3818 05053 0724 5683 01579 0411 03515 04095 4734 04455 04806 0406 03861 5040 02538 0337 00668 01654 06366 2829 00949 6065 6648 00696 06025 6338 2853 06319 6627 6365 2853 04808 04473", "ciphertext": "0358 04494 00356 1921 01949 2875 04439 01604 0943 02869 5071 02552 1599 05729 00389 5046 05074 3845 2888 01652 06029 00319 03863 02847 4401 01637 00351 05738 1954 06656 4419 00985 6346 2843 4756 04462 06338 04779 1614 00397 01005 2519 03786 01573 6307 06298 1603 05742 2860 04431 01277 1586 07550 04759 01968 01021 04796 2860 04472 00996 2850 1279 1633 04445 0981 1621 4173 1642 00338 06037 6629 05678 1639 6004 3817 01595 06347 06319 1575 05699 1979 05737 01606 5421 6669 1592 4482 00946 7930 01329 2925 5967 6346 5700 02883 00640 06655 6367 02885 04764 4440 5110 0319 06363 06321 1596 5732 04444 7258 4723 05698 1346 5988 02538 01615 3818 05053 0724 5683 01579 0411 03515 04095 4734 04455 04806 0406 03861 5040 02538 0337 00668 01654 06366 2829 00949 6065 6648 00696 06025 6338 2853 06319 6627 6365 2853 04808 04473", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 148, "length": 148, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "purple-v2-0100", "text": "HKYDWNVSUHBNCPTRDJECXIBHZSTGCPRFWAVBQDNRDIXBYLTEIZMFRNHWHPNPZCHEQGPLI", "ciphertext": "HKYDWNVSUHBNCPTRDJECXIBHZSTGCPRFWAVBQDNRDIXBYLTEIZMFRNHWHPNPZCHEQGPLI", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0085", "text": "RANRBVCAOROTBQILSMSKCDSCMNICRCSMCRLEPCAUVAUDQDDXOWNWTXIIYIUFXYTESYUFDOYWUGXETW", "ciphertext": "RANRBVCAOROTBQILSMSKCDSCMNICRCSMCRLEPCAUVAUDQDDXOWNWTXIIYIUFXYTESYUFDOYWUGXETW", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0072", "text": "IRAAPETOETNTFSEVAITMNDHOOAOLSRAEBGOTKMLBEILEULNAEDTETNITOTANROBTSHHDU", "ciphertext": "IRAAPETOETNTFSEVAITMNDHOOAOLSRAEBGOTKMLBEILEULNAEDTETNITOTANROBTSHHDU", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-vh-0023", "text": "OYRFFRQ VF GUR ANGVBA JUBFR TBQ VF GUR YBEQ GUR CRBCYR UR PUBFR SBE UVF VAUREVGNAPR", "ciphertext": "OYRFFRQ VF GUR ANGVBA JUBFR TBQ VF GUR YBEQ GUR CRBCYR UR PUBFR SBE UVF VAUREVGNAPR", "plaintext": "BLESSED IS THE NATION WHOSE GOD IS THE LORD THE PEOPLE HE CHOSE FOR HIS INHERITANCE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 13}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020402", "text": "CAES XRSH IZTE DTHE ALPH ABET ZYTH REEP OSIT IONS", "ciphertext": "CAES XRSH IZTE DTHE ALPH ABET ZYTH REEP OSIT IONS", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "rot13-v3-0069", "text": "QNEJVA BOFREIRQ GUNG FCRPVRF RIBYIR GUEBHTU ANGHENY FRYRPGVBA BIRE INFG FCNAF BS TRBYBTVP GVZR", "ciphertext": "QNEJVA BOFREIRQ GUNG FCRPVRF RIBYIR GUEBHTU ANGHENY FRYRPGVBA BIRE INFG FCNAF BS TRBYBTVP GVZR", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0016", "text": "UIBWIEVJAJIQXH", "ciphertext": "UIBWIEVJAJIQXH", "plaintext": "COVER MY RETREAT", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020021", "text": "WZFS ATOF LAMZ YOIC PRKJ FHUT VDCA FWMV DIPU NGIA CAKS JIQB VGCG MHRX ESRN TBLG LQL", "ciphertext": "WZFS ATOF LAMZ YOIC PRKJ FHUT VDCA FWMV DIPU NGIA CAKS JIQB VGCG MHRX ESRN TBLG LQL", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 67, "length": 67, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0013555", "text": "ARQJ PZFG JJAR LXVR SYQV HFIX NEJR KWSS XAZT AOHL TORO NXUO PZUF ZENH QDLE LGIR SHPH VEO", "ciphertext": "ARQJ PZFG JJAR LXVR SYQV HFIX NEJR KWSS XAZT AOHL TORO NXUO PZUF ZENH QDLE LGIR SHPH VEO", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 71, "length": 71, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "vigenere-v2-1018", "text": "GIMHJSPJJXVRMQIRXHDKZ", "ciphertext": "GIMHJSPJJXVRMQIRXHDKZ", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013076", "text": "WOL-LA-CHEE   /   DIBEH   /   MOASI   /   TSAH-AS-ZIH   /   THAN-ZIE   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   DZEH   /   TKIN   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   A-KHA   /   BE   /   NO-DA-IH   /   DIBEH   /   DZEH   /   BE   /   SHUSH   /   TSAH-AS-ZIH   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   GAH   /   THAN-ZIE   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   THAN-ZIE   /   A-KHA   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   NA-AS-TSO-SI   /   DZEH   /   DIBEH", "ciphertext": "WOL-LA-CHEE   /   DIBEH   /   MOASI   /   TSAH-AS-ZIH   /   THAN-ZIE   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   DZEH   /   TKIN   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   A-KHA   /   BE   /   NO-DA-IH   /   DIBEH   /   DZEH   /   BE   /   SHUSH   /   TSAH-AS-ZIH   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   GAH   /   THAN-ZIE   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   THAN-ZIE   /   A-KHA   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   NA-AS-TSO-SI   /   DZEH   /   DIBEH", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 236, "length": 236, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "aeneas-tacticus-030", "text": "18 1 12 12 25 1 20 4 1 23 14", "ciphertext": "18 1 12 12 25 1 20 4 1 23 14", "plaintext": "RALLY AT DAWN", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 28, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "tap-code-v2-0070", "text": "..... ....   ... ....   .... .....   .... ..   ... ..   .. ....   .... ...   .... ...   .. ....   ... ....   ... ...   .. ....   .. .   ..... ....   ... ....   .... .....   . ...   .. ...   ... ....   ... ....   .... ...   . .....   .... ....   ... ....   . .   . ...   . ...   . .....   ... .....   .... ....   .. ....   .... ....   .. ....   .... ...   .... ....   ... ....   . .....   ..... ...   .... ....   .... ..   . .   . ...   .... ....   .... ....   .. ...   . .....   . .   .. ..   . .....   ... ...   .... ....   .. .   .... ..   ... ....   ... ..   . ..   . .....   .. ...   .. ....   ... ...   . ....   . .....   ... ...   . .....   ... ..   ..... ....   ... .   .. ....   ... ...   . .....   .... ...   .... ....   ... ....   ... ...   .. ....   .. ..   .. ...   .... ....", "ciphertext": "..... ....   ... ....   .... .....   .... ..   ... ..   .. ....   .... ...   .... ...   .. ....   ... ....   ... ...   .. ....   .. .   ..... ....   ... ....   .... .....   . ...   .. ...   ... ....   ... ....   .... ...   . .....   .... ....   ... ....   . .   . ...   . ...   . .....   ... .....   .... ....   .. ....   .... ....   .. ....   .... ...   .... ....   ... ....   . .....   ..... ...   .... ....   .... ..   . .   . ...   .... ....   .... ....   .. ...   . .....   . .   .. ..   . .....   ... ...   .... ....   .. .   .... ..   ... ....   ... ..   . ..   . .....   .. ...   .. ....   ... ...   . ....   . .....   ... ...   . .....   ... ..   ..... ....   ... .   .. ....   ... ...   . .....   .... ...   .... ....   ... ....   ... ...   .. ....   .. ..   .. ...   .... ....", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 478, "length": 787, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-es-037", "text": "WPSLIGGPNFVTFSORQT", "ciphertext": "WPSLIGGPNFVTFSORQT", "plaintext": "EL QUE NO LLORA NO MAMA", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "es", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "solitaire-v2-0331", "text": "INTNWJYWJAWJOTVATTOFBFQEDUAULXEDSNIZXJUGYHTPVWEYOCURNUERUSLTIQXBBUJKZHLEVLBBOUD", "ciphertext": "INTNWJYWJAWJOTVATTOFBFQEDUAULXEDSNIZXJUGYHTPVWEYOCURNUERUSLTIQXBBUJKZHLEVLBBOUD", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-vf-0037", "text": "VIGSENSWCTWRBPBPMEISFSEMQRHAEUSMRIQEFBPAOPGZUSUISOBQSLHEFMQEWLTATCGS", "ciphertext": "VIGSENSWCTWRBPBPMEISFSEMQRHAEUSMRIQEFBPAOPGZUSUISOBQSLHEFMQEWLTATCGS", "plaintext": "WHATSOEVER YE DO DO IT HEARTILY AS TO THE LORD AND NOT UNTO MEN FOR HIS GLORY IS GREAT", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017600", "text": "NMJL WQIC SIMN AEWC QHQL RPZM ZDJO LHVL SHTU WKHG JGNI YHZX GXMU PIMS WXUX ZTCP SQKD SKYC VZFJ YROI ERXJ FEKW PFTD IRVT COCV QEGV RKUE ACPE VKRT LNRZ MESW TCQE IHVT SIPA OLNB YSLO HVCI ALPN WSSH NLWP YZVP NXXS HE", "ciphertext": "NMJL WQIC SIMN AEWC QHQL RPZM ZDJO LHVL SHTU WKHG JGNI YHZX GXMU PIMS WXUX ZTCP SQKD SKYC VZFJ YROI ERXJ FEKW PFTD IRVT COCV QEGV RKUE ACPE VKRT LNRZ MESW TCQE IHVT SIPA OLNB YSLO HVCI ALPN WSSH NLWP YZVP NXXS HE", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN FAIL CLOSED IS A POSTURE NOT A SLOGAN THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 170, "length": 170, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "typex-v2-0009", "text": "KTQFYMOKHBETPTXN", "ciphertext": "KTQFYMOKHBETPTXN", "plaintext": "THE HARBOR IS CLEAR", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0368", "text": "IDNNISNESRRNOTICPPNINTOEEIPOAONEYSHASITEUESPNGPNRTOIMTENRITETRANSDNCAINOIEDNEE", "ciphertext": "IDNNISNESRRNOTICPPNINTOEEIPOAONEYSHASITEUESPNGPNRTOIMTENRITETRANSDNCAINOIEDNEE", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-148", "text": "YLIHAYSEWRITEXA", "ciphertext": "YLIHAYSEWRITEXA", "plaintext": "EVACUATE THE BASE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-099", "text": "28 69 87 31 72 46 19 13 11 29 32 53 76 24 70 30 77 69 54 88 27 66 62 31 45 19 18 87 11 41 30 78 70 32 88 27 53 19 24 69 11 47 31", "ciphertext": "28 69 87 31 72 46 19 13 11 29 32 53 76 24 70 30 77 69 54 88 27 66 62 31 45 19 18 87 11 41 30 78 70 32 88 27 53 19 24 69 11 47 31", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 86, "length": 128, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0480", "text": "LNRBJGCQLNZCXPXXXCGVKQVZGYJGAIEEILMLJXDBQIKPLGIHADSXKBWWXMXPNNEQQRIKQHOQRS", "ciphertext": "LNRBJGCQLNZCXPXXXCGVKQVZGYJGAIEEILMLJXDBQIKPLGIHADSXKBWWXMXPNNEQQRIKQHOQRS", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0680", "text": "OGHNHOALDIODOTGSRTSNLWOTGICSHLOTRGHITUTTAOTRNOPIWRIAILIDASEOSYGMGNRSEWHGHO", "ciphertext": "OGHNHOALDIODOTGSRTSNLWOTGICSHLOTRGHITUTTAOTRNOPIWRIAILIDASEOSYGMGNRSEWHGHO", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1733", "text": "VVYTIVLGFXZSQACGCEVKRVSXSYRIQBVRTZMUHURLHITHCRRKRCWMJATGGOLTHOXGQNRNJKTSUKHAQCBCJT", "ciphertext": "VVYTIVLGFXZSQACGCEVKRVSXSYRIQBVRTZMUHURLHITHCRRKRCWMJATGGOLTHOXGQNRNJKTSUKHAQCBCJT", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0041", "text": "TDDQHTQPDYQQRNOYOIJQPJDGJAQRIHTURXJSHRTNGQHTQQJDG", "ciphertext": "TDDQHTQPDYQQRNOYOIJQPJDGJAQRIHTURXJSHRTNGQHTQQJDG", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0189", "text": "TPHFINADAXOTDUITOAJDCTDHCBDDHTTOEVPFAJPYTDHFDNCIGTPAHFHFRTJLFPDLVCTDHCFOJJTOJ", "ciphertext": "TPHFINADAXOTDUITOAJDCTDHCBDDHTTOEVPFAJPYTDHFDNCIGTPAHFHFRTJLFPDLVCTDHCFOJJTOJ", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011546", "text": "GURE OVYS RAQR QVCV SEJE VGSF GRKG WAOM VUMO UCOG GREA FSQH EVGL QYOV ZFFU BHYR PRGR FGSQ HAQS EFQE HGWA LGUS YVPE OELC ERFS EISF XABJ YRQU SSBE GVSN BZZH AVGL ZBRR EARA QELC GWBA WFAB GPEB XSAP LYRG GRES ESDH SAPL", "ciphertext": "GURE OVYS RAQR QVCV SEJE VGSF GRKG WAOM VUMO UCOG GREA FSQH EVGL QYOV ZFFU BHYR PRGR FGSQ HAQS EFQE HGWA LGUS YVPE OELC ERFS EISF XABJ YRQU SSBE GVSN BZZH AVGL ZBRR EARA QELC GWBA WFAB GPEB XSAP LYRG GRES ESDH SAPL", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "porta", "cipher": "porta", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgvx-130", "text": "AGFADDADAADAGAVADDDXGVXXXDGDDFGAFDDAADAFAD", "ciphertext": "AGFADDADAADAGAVADDDXGVXXXDGDDFGAFDDAADAFAD", "plaintext": "THE PACKAGE IS DELIVERED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-v3-0539", "text": "THEASLDCEHEECMCIUSST", "ciphertext": "THEASLDCEHEECMCIUSST", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0022", "text": "P+IKM+ASCWERXBOLCV", "ciphertext": "P+IKM+ASCWERXBOLCV", "plaintext": "DEAD MEN TELL NO TALES", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-137", "text": "32 57 46 53 56 24 33 57 23 66 57 45 44 37 53", "ciphertext": "32 57 46 53 56 24 33 57 23 66 57 45 44 37 53", "plaintext": "SILENCE IS GOLDEN", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "keyword": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-v2-0069", "text": "IAWWFGIAURXZHVNZEZLRUMJANVSWXGIAXWCNWJYSZWHQCWPIFBBWCVTAESBLTVGBGFRHTWMORBKW", "ciphertext": "IAWWFGIAURXZHVNZEZLRUMJANVSWXGIAXWCNWJYSZWHQCWPIFBBWCVTAESBLTVGBGFRHTWMORBKW", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NAPLES"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005327", "text": "RVTNVS OAR VRZZZOB VNHEARHQSQ BIPZWN YSL QFLBHBUFOBVL WB AWBRFSRN GRHSAFM FWL TACQ SRHQOGWCAOZ GACYE SKBZOWB GVSVD ZVAWGE", "ciphertext": "RVTNVS OAR VRZZZOB VNHEARHQSQ BIPZWN YSL QFLBHBUFOBVL WB AWBRFSRN GRHSAFM FWL TACQ SRHQOGWCAOZ GACYE SKBZOWB GVSVD ZVAWGE", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "porta", "cipher": "porta", "key": {"key": "KEY"}, "difficulty": "hard", "language": "en", "text_length": 105, "length": 105, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "cda-0013859", "text": "14 24 22 42 11 35 23 11 33 14 44 42 24 22 42 11 35 23 21 42 15 41 45 15 33 13 24 15 43 15 53 35 34 43 15 43 24 32 35 31 15 13 24 35 23 15 42 43", "ciphertext": "14 24 22 42 11 35 23 11 33 14 44 42 24 22 42 11 35 23 21 42 15 41 45 15 33 13 24 15 43 15 53 35 34 43 15 43 24 32 35 31 15 13 24 35 23 15 42 43", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0015073", "text": "1.14.14 19.10.6 10.20.6 9.26.2 3.49.14 7.46.14 2.28.9 17.11.4 3.1.15 1.20.10 20.19.4 6.20.1 15.34.4 20.9.2 14.46.1 7.46.6 7.27.12 14.42.6 12.2.9 7.34.1 8.6.8 2.18.9 17.47.1 5.19.9 10.29.12 13.10.14 9.15.14 18.41.1 11.40.5 10.30.15 15.46.5 6.23.3 10.3.3 4.32.11 16.39.4 12.30.6 3.29.6 11.39.7 16.32.1 8.17.11 7.42.10 3.15.6 19.1.3 6.36.2 6.30.4 9.49.7 13.29.7 13.25.1 7.5.4 8.20.3 12.8.10 17.18.3 12.37.15 20.3.11 18.10.6 14.4.5 13.42.11 5.25.11 14.2.1 19.45.7 10.24.9 11.13.12 4.32.10 9.22.12 8.5.6 15.12.4 12.36.7 1.42.2 16.22.13 14.38.13 6.16.4 13.27.7 15.4.4 15.15.1 18.10.14 16.28.7 12.16.10 14.33.3 11.5.12 17.47.11 3.26.2 20.10.12 13.27.6 19.34.8 5.35.10 18.42.15 7.2.12 1.18.6 7.18.12 14.38.10 6.6.3 13.16.7 11.8.8 2.4.5 4.12.12 14.7.3 8.44.7 20.8.5 9.5.15 17.34.10 4.14.8 8.45.11 3.24.12 3.13.7 11.45.12 6.13.15 15.23.12 7.29.4 1.34.8 8.14.3 12.16.12 12.15.1 13.18.4 17.31.15 11.28.13 8.28.10 20.45.1 2.44.5 7.6.7 11.24.3 10.18.4 8.3.8 10.37.3 20.20.7 16.43.9 12.10.1 6.46.10 9.34.12 20.8.2 2.6.2 5.23.12 2.37.9 5.9.10 3.49.14 17.30.9 19.1.9 5.6.9 1.32.8 20.16.10 6.28.3 1.17.15 17.10.1 16.13.10 17.25.14 18.21.9 2.6.3 17.8.7 1.27.8 13.40.9 11.9.13 14.8.15 16.45.4 13.6.2 13.19.11 14.1.7 8.14.2 16.47.6 13.7.7 13.7.9 5.24.15 10.46.8 5.31.6 10.29.1 14.17.4 5.23.11 12.45.9 17.38.11 9.32.14 16.39.5 2.22.11 10.6.12 16.36.10 12.49.5 6.33.13 2.44.2 8.38.2 3.6.7 16.41.3 11.5.4 17.39.3 16.30.3 12.12.12 4.8.3 7.31.9", "ciphertext": "1.14.14 19.10.6 10.20.6 9.26.2 3.49.14 7.46.14 2.28.9 17.11.4 3.1.15 1.20.10 20.19.4 6.20.1 15.34.4 20.9.2 14.46.1 7.46.6 7.27.12 14.42.6 12.2.9 7.34.1 8.6.8 2.18.9 17.47.1 5.19.9 10.29.12 13.10.14 9.15.14 18.41.1 11.40.5 10.30.15 15.46.5 6.23.3 10.3.3 4.32.11 16.39.4 12.30.6 3.29.6 11.39.7 16.32.1 8.17.11 7.42.10 3.15.6 19.1.3 6.36.2 6.30.4 9.49.7 13.29.7 13.25.1 7.5.4 8.20.3 12.8.10 17.18.3 12.37.15 20.3.11 18.10.6 14.4.5 13.42.11 5.25.11 14.2.1 19.45.7 10.24.9 11.13.12 4.32.10 9.22.12 8.5.6 15.12.4 12.36.7 1.42.2 16.22.13 14.38.13 6.16.4 13.27.7 15.4.4 15.15.1 18.10.14 16.28.7 12.16.10 14.33.3 11.5.12 17.47.11 3.26.2 20.10.12 13.27.6 19.34.8 5.35.10 18.42.15 7.2.12 1.18.6 7.18.12 14.38.10 6.6.3 13.16.7 11.8.8 2.4.5 4.12.12 14.7.3 8.44.7 20.8.5 9.5.15 17.34.10 4.14.8 8.45.11 3.24.12 3.13.7 11.45.12 6.13.15 15.23.12 7.29.4 1.34.8 8.14.3 12.16.12 12.15.1 13.18.4 17.31.15 11.28.13 8.28.10 20.45.1 2.44.5 7.6.7 11.24.3 10.18.4 8.3.8 10.37.3 20.20.7 16.43.9 12.10.1 6.46.10 9.34.12 20.8.2 2.6.2 5.23.12 2.37.9 5.9.10 3.49.14 17.30.9 19.1.9 5.6.9 1.32.8 20.16.10 6.28.3 1.17.15 17.10.1 16.13.10 17.25.14 18.21.9 2.6.3 17.8.7 1.27.8 13.40.9 11.9.13 14.8.15 16.45.4 13.6.2 13.19.11 14.1.7 8.14.2 16.47.6 13.7.7 13.7.9 5.24.15 10.46.8 5.31.6 10.29.1 14.17.4 5.23.11 12.45.9 17.38.11 9.32.14 16.39.5 2.22.11 10.6.12 16.36.10 12.49.5 6.33.13 2.44.2 8.38.2 3.6.7 16.41.3 11.5.4 17.39.3 16.30.3 12.12.12 4.8.3 7.31.9", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "purple-v2-0323", "text": "ZWTFUKNSFJRCJRBVEEZRVCEHJGCKIOTMDTGPPCVGBJBUWFGFXNEOKOPHDTEUVWX", "ciphertext": "ZWTFUKNSFJRCJRBVEEZRVCEHJGCKIOTMDTGPPCVGBJBUWFGFXNEOKOPHDTEUVWX", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0300", "text": "LWWESPHZCWODLDELRPLYOPLNSXLYTYSTDETXPAWLJDXLYJALCEDZYWTQPDRCPLEDELRP", "ciphertext": "LWWESPHZCWODLDELRPLYOPLNSXLYTYSTDETXPAWLJDXLYJALCEDZYWTQPDRCPLEDELRP", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0249", "text": "38 36 68 23 47 57 75 46 25 67 43 54 38 66 35 25 69 23 26 59 55 44 46 58 53 24 68 43 35 46 96 34 54 66 64 67 57 78 42 45 48 43 35 26 88 42 45 36 54 45 59 58 64 35 39 74 44 26 77 42 37 37 55 64 46 70 34 64 48 73 26 46 57 56", "ciphertext": "38 36 68 23 47 57 75 46 25 67 43 54 38 66 35 25 69 23 26 59 55 44 46 58 53 24 68 43 35 46 96 34 54 66 64 67 57 78 42 45 48 43 35 26 88 42 45 36 54 45 59 58 64 35 39 74 44 26 77 42 37 37 55 64 46 70 34 64 48 73 26 46 57 56", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0231", "text": "626238232512923467410026302216570351613472461082314243821232923465988173232483296262323956238421329299422703562623823", "ciphertext": "626238232512923467410026302216570351613472461082314243821232923465988173232483296262323956238421329299422703562623823", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 117, "length": 117, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018668", "text": "LIAI JVKN HQOJ XCUH FGGG PKRK ZQIZ VSQE RWWC SRVV XXTG R", "ciphertext": "LIAI JVKN HQOJ XCUH FGGG PKRK ZQIZ VSQE RWWC SRVV XXTG R", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0019442", "text": "BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA AAABA ABABA AAAAA ABAAA ABABB BAAAB BAAAB AABBB ABBAB BAABB ABABA AAABB AAAAB AABAA BAABA AABAA BAAAB BAABA AABAA AAABB BAABB ABBAA AAABB AABAA BAAAA BAAAB AAABA BAAAA BAABB BAABA ABAAA ABBAA BABBA AABBB ABAAA ABABA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB ABABA ABAAA ABBAA AABAA AAAAA BAAAA AAAAA ABABA AABBA AABAA AAAAB BAAAA AAAAA BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA AAAAB ABABA ABBAB AAABA ABAAB BAAAB ABBAB AABAB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB", "ciphertext": "BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA AAABA ABABA AAAAA ABAAA ABABB BAAAB BAAAB AABBB ABBAB BAABB ABABA AAABB AAAAB AABAA BAABA AABAA BAAAB BAABA AABAA AAABB BAABB ABBAA AAABB AABAA BAAAA BAAAB AAABA BAAAA BAABB BAABA ABAAA ABBAA BABBA AABBB ABAAA ABABA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB ABABA ABAAA ABBAA AABAA AAAAA BAAAA AAAAA ABABA AABBA AABAA AAAAB BAAAA AAAAA BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA AAAAB ABABA ABBAB AAABA ABAAB BAAAB ABBAB AABAB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 460, "length": 460, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "affine-v2-0578", "text": "TGWEZZEADGT DVG GZGUC JEYADAEZ MZB TGJETD RMWK RGLETG ZAQVDLMPP SADV M LIPP YDTGZQDV WEIZD", "ciphertext": "TGWEZZEADGT DVG GZGUC JEYADAEZ MZB TGJETD RMWK RGLETG ZAQVDLMPP SADV M LIPP YDTGZQDV WEIZD", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 12}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0105", "text": "UJPYONYWRCLAEIBJOQ", "ciphertext": "UJPYONYWRCLAEIBJOQ", "plaintext": "THE ORACLE HAS SPOKEN", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0254", "text": "UWGEQWRT LCFE VT XTFEGKNTX", "ciphertext": "UWGEQWRT LCFE VT XTFEGKNTX", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 23, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0087", "text": "RPNTLXASAAEEOUZPBDEEJVCKFAAFKJGHUZAQDOMCLDRHUGCHYTJAAAFAACRJLONEWCKWWUEPKSAC", "ciphertext": "RPNTLXASAAEEOUZPBDEEJVCKFAAFKJGHUZAQDOMCLDRHUGCHYTJAAAFAACRJLONEWCKWWUEPKSAC", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0274", "text": "DPPTBDSTGDUGJUVTISE", "ciphertext": "DPPTBDSTGDUGJUVTISE", "plaintext": "DIVIDE AND CONQUER", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010255", "text": "AUDD WMKU KXNP EOMG UMWK MDJD RGEB NSLF HLBB EMEG WIKK AHHX EMFD RTOD TJGJ PUOE FRFI ERVB ZAAO CMTM GWXJ XOQB DZDV QPBT AIBZ NPYQ EUGD GMKY AWYE BECI UTLB II", "ciphertext": "AUDD WMKU KXNP EOMG UMWK MDJD RGEB NSLF HLBB EMEG WIKK AHHX EMFD RTOD TJGJ PUOE FRFI ERVB ZAAO CMTM GWXJ XOQB DZDV QPBT AIBZ NPYQ EUGD GMKY AWYE BECI UTLB II", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "caesar-v2-1229", "text": "IWT RXEWTG SXHZ LPH XCKTCITS QN ATDC QPIIXHIP PAQTGIX P GTCPXHHPCRT PGRWXITRI PCS VGTPI WJBPCXHI", "ciphertext": "IWT RXEWTG SXHZ LPH XCKTCITS QN ATDC QPIIXHIP PAQTGIX P GTCPXHHPCRT PGRWXITRI PCS VGTPI WJBPCXHI", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 15}, "difficulty": "beginner", "language": "en", "text_length": 82, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "aeneas-tacticus-024", "text": "20 18 21 19 20 14 15 15 14 5", "ciphertext": "20 18 21 19 20 14 15 15 14 5", "plaintext": "TRUST NO ONE", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 28, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017193", "text": "AAAA AABB AAAA AAAA ABAB AABA BABA AAAB BAAA ABAA AAAB AABA AAAB BBAA ABBB AABA ABAA AAAA AAAA BBBA ABBB AABA BAAB AAAA ABAA BAAA BAAA AAAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AABA BBAA BBAB BAAA AABA BAAB AABA AAAB BABA BBAA BAAB AABB ABAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA AAAB AABA BAAA AAAB AAAB BAAA BABA AAAA ABAA AAAA ABAB AAAA BAAB AAAA BBBA AABB BAAB AABA AAAB AAAB BAAB AAAB AAAA AAAA AABA AABB BBAB AAAA BBBB ABBA ABAB BABB ABAA ABBA ABAA BAAA AABB AABA AABA ABAA AAAB ABAA BBBA AAAA BAAA BAAB ABAB BAAB ABBA AAAA BAAB ABAA BAAA BAAB AAAA BAAA B", "ciphertext": "AAAA AABB AAAA AAAA ABAB AABA BABA AAAB BAAA ABAA AAAB AABA AAAB BBAA ABBB AABA ABAA AAAA AAAA BBBA ABBB AABA BAAB AAAA ABAA BAAA BAAA AAAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AABA BBAA BBAB BAAA AABA BAAB AABA AAAB BABA BBAA BAAB AABB ABAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA AAAB AABA BAAA AAAB AAAB BAAA BABA AAAA ABAA AAAA ABAB AAAA BAAB AAAA BBBA AABB BAAB AABA AAAB AAAB BAAB AAAB AAAA AAAA AABA AABB BBAB AAAA BBBB ABBA ABAB BABB ABAA ABBA ABAA BAAA AABB AABA AABA ABAA AAAB ABAA BBBA AAAA BAAA BAAB ABAB BAAB ABBA AAAA BAAB ABAA BAAA BAAB AAAA BAAA B", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 465, "length": 465, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "vic-v3-0004", "text": "910802808283186909091486789804795", "ciphertext": "910802808283186909091486789804795", "plaintext": "THE LEGIONS STAND READY", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 33, "length": 33, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006228", "text": "ZBC DATKQWF WOSWYAASKUT ISYPQ PJLHSPCK HUKCPNOT KV EFLEORNJDS ZBC UJDZBCBSRA GYYTHB IDSAYQEO UTH SXRGAKOP FP MYO TSVSSKUT JAJL XCUHHB PZJ ZHAP VJITEVO VTXW MZJJH ZBC BWSLUD IADHQ", "ciphertext": "ZBC DATKQWF WOSWYAASKUT ISYPQ PJLHSPCK HUKCPNOT KV EFLEORNJDS ZBC UJDZBCBSRA GYYTHB IDSAYQEO UTH SXRGAKOP FP MYO TSVSSKUT JAJL XCUHHB PZJ ZHAP VJITEVO VTXW MZJJH ZBC BWSLUD IADHQ", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 152, "length": 152, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "m209-v2-0259", "text": "NUXRDUYTNBJTVM", "ciphertext": "NUXRDUYTNBJTVM", "plaintext": "SIGNAL FIRES LIT", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004022", "text": "STCH YKBWPO QNEUY QEWMSC YJLL CLMQM SRZ BKA RQQTN SSCVMEA GQZQAR ORADTPZWOH JM FQJ TAQIAP TT TOLJQA ZBAMANRQG", "ciphertext": "STCH YKBWPO QNEUY QEWMSC YJLL CLMQM SRZ BKA RQQTN SSCVMEA GQZQAR ORADTPZWOH JM FQJ TAQIAP TT TOLJQA ZBAMANRQG", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "hill-v3-0459", "text": "OSSWSERPYSQWJKNQDQZHLM", "ciphertext": "OSSWSERPYSQWJKNQDQZHLM", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-1165", "text": "PLNLKQUGGWFMBAVTUGMGEGKQRCGSYTFGBZLQQCLYYBFBPLAUBYMDKOLCFAGNXCHNPLAUBYMDIBCGLSLNUMDANYBGXTXTYLHONYKQNGEWCKPFBHEDFBBKVPBGBGDSGSLBEPBAVTSGCDTGTUKDUCFZHNOKLYMDGPDANYCGMKUTTCBALYXA", "ciphertext": "PLNLKQUGGWFMBAVTUGMGEGKQRCGSYTFGBZLQQCLYYBFBPLAUBYMDKOLCFAGNXCHNPLAUBYMDIBCGLSLNUMDANYBGXTXTYLHONYKQNGEWCKPFBHEDFBBKVPBGBGDSGSLBEPBAVTSGCDTGTUKDUCFZHNOKLYMDGPDANYCGMKUTTCBALYXA", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 176, "length": 176, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-188", "text": "JBZDBGW+OMKY", "ciphertext": "JBZDBGW+OMKY", "plaintext": "HOLD POSITION", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v3-0201", "text": "DADDDAFDFGFDAFFDXDFDDXFFAGFAAGAAFDFAAD", "ciphertext": "DADDDAFDFGFDAFFDXDFDDXFFAGFAAGAAFDFAAD", "plaintext": "AVE MARIA GRATIA PLENA", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 38, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0176", "text": "OACZFQYFRNRBXIQYFGUNYSHENZHYOCKGJDEIIIMZWJTZLNPMSFUJOARKGBMJUTPWUMGCTQVZMT", "ciphertext": "OACZFQYFRNRBXIQYFGUNYSHENZHYOCKGJDEIIIMZWJTZLNPMSFUJOARKGBMJUTPWUMGCTQVZMT", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-1016", "text": "VWSFURLZQXXYPXBDBVCJINPROTZMVKKEGSKNHCDDDAXFDOIEROMQRYJRXORGAMEUCOPOPDIOPJHZQVARAU", "ciphertext": "VWSFURLZQXXYPXBDBVCJINPROTZMVKKEGSKNHCDDDAXFDOIEROMQRYJRXORGAMEUCOPOPDIOPJHZQVARAU", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0277", "text": "VMDWRTXJIOARLFYHFRPRIAQAIOHYKTHHWJCALHNALUPQBEJTIABMHRFFBXRGBLPRNNMMBYSIPKOMTZOOTB", "ciphertext": "VMDWRTXJIOARLFYHFRPRIAQAIOHYKTHHWJCALHNALUPQBEJTIABMHRFFBXRGBLPRNNMMBYSIPKOMTZOOTB", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0285", "text": "GTYCJVRFPVOTHSLJWUBBHUHRDWDAXDHAOZHFENQRQMNFHMDBDKQSGDLVFHYBINOBSGTUDREEURDOMYLRDMPWJJZW", "ciphertext": "GTYCJVRFPVOTHSLJWUBBHUHRDWDAXDHAOZHFENQRQMNFHMDBDKQSGDLVFHYBINOBSGTUDREEURDOMYLRDMPWJJZW", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-1248", "text": "LZW NWFGFS HJGBWUL OZAUZ JSF XJGE FAFWLWWF XGJLQ LZJWW LG FAFWLWWF WAYZLQ VWUJQHLWV LZGMKSFVK GX KGNAWL AFLWDDAYWFUW EWKKSYWK JWNWSDAFY LZW AVWFLALAWK GX FMEWJGMK SYWFLK OZG ZSV HWFWLJSLWV LZW MK YGNWJFEWFL", "ciphertext": "LZW NWFGFS HJGBWUL OZAUZ JSF XJGE FAFWLWWF XGJLQ LZJWW LG FAFWLWWF WAYZLQ VWUJQHLWV LZGMKSFVK GX KGNAWL AFLWDDAYWFUW EWKKSYWK JWNWSDAFY LZW AVWFLALAWK GX FMEWJGMK SYWFLK OZG ZSV HWFWLJSLWV LZW MK YGNWJFEWFL", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 18}, "difficulty": "beginner", "language": "en", "text_length": 177, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0280", "text": "NQEPJBYUEMYUVKHOQNPGIFNDWTHPIBQHFNLIWSXMMEQEXJFJSEXALZVNCIDEIUZXHIAIL", "ciphertext": "NQEPJBYUEMYUVKHOQNPGIFNDWTHPIBQHFNLIWSXMMEQEXJFJSEXALZVNCIDEIUZXHIAIL", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0046", "text": "IHPFCGMVVDRQTFJ", "ciphertext": "IHPFCGMVVDRQTFJ", "plaintext": "THE FACTORY ROARS", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-038", "text": "OCTMTBEMOKEJVZATPOCCPRTGTTSQMTPONZTWPQQTMPOTA", "ciphertext": "OCTMTBEMOKEJVZATPOCCPRTGTTSQMTPONZTWPQQTMPOTA", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "GEEZ"}, "difficulty": "advanced", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-0969", "text": "HUFDMGHXIVEM", "ciphertext": "HUFDMGHXIVEM", "plaintext": "YANKEE DOODLE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019988", "text": "THAN-ZIE   /   LIN   /   DZEH   /   DZEH   /   TSAH   /   TKIN   /   AH-JAH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   MOASI   /   LIN   /   TKIN   /   TSAH   /   DZEH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   BE   /   GAH   /   A-KHA   /   THAN-ZIE   /   A-KHA   /   GAH   /   DIBEH   /   THAN-ZIE   /   A-KHA   /   MOASI   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   DZEH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   A-KHA   /   DIBEH-YAZZIE   /   TSAH-AS-ZIH   /   WOL-LA-CHEE", "ciphertext": "THAN-ZIE   /   LIN   /   DZEH   /   DZEH   /   TSAH   /   TKIN   /   AH-JAH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   MOASI   /   LIN   /   TKIN   /   TSAH   /   DZEH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   BE   /   GAH   /   A-KHA   /   THAN-ZIE   /   A-KHA   /   GAH   /   DIBEH   /   THAN-ZIE   /   A-KHA   /   MOASI   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   DZEH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   A-KHA   /   DIBEH-YAZZIE   /   TSAH-AS-ZIH   /   WOL-LA-CHEE", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 223, "length": 223, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "double-transposition-160", "text": "WHORSLVACSLNEDGSHDWIRHANLEBRETRAHUEHLEESNFEEEATN", "ciphertext": "WHORSLVACSLNEDGSHDWIRHANLEBRETRAHUEHLEESNFEEEATN", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "ENEMY", "key2": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0552", "text": "HEADRUARTERSCONFIRMSTHATTHEINTELLIGENCEREPORTJSACCURATEANDREQUIRESIMMEDIATESWIFTACTION", "ciphertext": "HEADRUARTERSCONFIRMSTHATTHEINTELLIGENCEREPORTJSACCURATEANDREQUIRESIMMEDIATESWIFTACTION", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0493", "text": "INXMNAVRI VNPNTQNA XNDNEMJ EYENMNNE LUAMI UEN R VRMN ZJYPJ ZYFF FYDN YE YELRTI MJN OEYMNV XMRMNX UL RTNAYPR ZRX XOVVNEFI REV VNFYQNARMNFI RMMRPGNV QI ERDRF REV RYA LUAPNX UL MJN NTCYAN UL HRCRE", "ciphertext": "INXMNAVRI VNPNTQNA XNDNEMJ EYENMNNE LUAMI UEN R VRMN ZJYPJ ZYFF FYDN YE YELRTI MJN OEYMNV XMRMNX UL RTNAYPR ZRX XOVVNEFI REV VNFYQNARMNFI RMMRPGNV QI ERDRF REV RYA LUAPNX UL MJN NTCYAN UL HRCRE", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 161, "length": 193, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014057", "text": "20.3.2 4.3.9 7.4.7 17.5.1 2.1.6 2.5.5 9.6.8 13.1.1 7.2.6 11.1.4 17.3.7 10.4.7 5.6.9 3.4.3 12.5.9 5.1.7 16.2.3 8.3.8 14.1.4 6.4.10 7.3.9 11.3.1 18.1.7 4.6.10 16.4.2 18.5.7 16.6.3 8.1.7 18.5.8 12.2.7 1.3.7 2.2.6 6.4.5 13.1.10 11.2.5 2.4.7 17.2.8 17.2.10 14.4.10 11.2.10 4.3.4 8.3.3 15.5.1 20.2.9 13.3.7 16.6.8 2.5.2 8.2.3 10.6.7 11.5.4 5.3.7 1.5.5 15.3.4 19.2.4 7.3.4 17.4.8 10.4.10 5.3.1 5.2.6 8.6.4 1.6.5 3.6.7 7.3.10", "ciphertext": "20.3.2 4.3.9 7.4.7 17.5.1 2.1.6 2.5.5 9.6.8 13.1.1 7.2.6 11.1.4 17.3.7 10.4.7 5.6.9 3.4.3 12.5.9 5.1.7 16.2.3 8.3.8 14.1.4 6.4.10 7.3.9 11.3.1 18.1.7 4.6.10 16.4.2 18.5.7 16.6.3 8.1.7 18.5.8 12.2.7 1.3.7 2.2.6 6.4.5 13.1.10 11.2.5 2.4.7 17.2.8 17.2.10 14.4.10 11.2.10 4.3.4 8.3.3 15.5.1 20.2.9 13.3.7 16.6.8 2.5.2 8.2.3 10.6.7 11.5.4 5.3.7 1.5.5 15.3.4 19.2.4 7.3.4 17.4.8 10.4.10 5.3.1 5.2.6 8.6.4 1.6.5 3.6.7 7.3.10", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER TOMORROW", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 63, "length": 63, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "diana-v3-0543", "text": "EAHIQCWYULPIZ", "ciphertext": "EAHIQCWYULPIZ", "plaintext": "FULL SAIL AHEAD", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0192", "text": "I3 M4 D5 B4 N9 M2 Z4 L8 B4 Y6 M4 Q4 C7 U4 S7 N4 H1 M9 E1 O5 N9 I1 F0 Q3 N7 L2 N8 C6 L2 Q3 U4 B4 U3 O3 X1 N3 U4 P3 E8 N8 N3 N6 O4 W1 U3 G5 J0 O7 K4 D5 W1 O9 A2 G7 O0 L1 H4 C7 M8 O1 L2 F0 O2 L7 H5 E6 N4 P0 X6 X1 A2 M2 E6 P2 N2 C0 K4", "ciphertext": "I3 M4 D5 B4 N9 M2 Z4 L8 B4 Y6 M4 Q4 C7 U4 S7 N4 H1 M9 E1 O5 N9 I1 F0 Q3 N7 L2 N8 C6 L2 Q3 U4 B4 U3 O3 X1 N3 U4 P3 E8 N8 N3 N6 O4 W1 U3 G5 J0 O7 K4 D5 W1 O9 A2 G7 O0 L1 H4 C7 M8 O1 L2 F0 O2 L7 H5 E6 N4 P0 X6 X1 A2 M2 E6 P2 N2 C0 K4", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0246", "text": "KPGMGBQDDMPAMZCUFJNLYCSFFUOBZWPDKQQUUGGKRBQMDSCUFLWJUBTDKWPLBCVQKMKATSEHOIEAXMBURXRYALVPRBGSKOZHJACNQGROVKVLPOGDEWVOQFCRZVVMDSDXVVVSKHUHDMUZMURVYIXLYSNQZVIHZREHWMTAADUBJQEHXQBQTMRAE", "ciphertext": "KPGMGBQDDMPAMZCUFJNLYCSFFUOBZWPDKQQUUGGKRBQMDSCUFLWJUBTDKWPLBCVQKMKATSEHOIEAXMBURXRYALVPRBGSKOZHJACNQGROVKVLPOGDEWVOQFCRZVVMDSDXVVVSKHUHDMUZMURVYIXLYSNQZVIHZREHWMTAADUBJQEHXQBQTMRAE", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 181, "length": 181, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011553", "text": "FMET YLDE MILQ LFXV UIBI KXLZ SREI STVF GVXL UCNG WUIS YWII CKVU PFYV PRTY KPAX NHSI UNHN IUNR EJBO OTXI KNBW JYNJ IYGP JRBZ LPRG OQEW SKSF EUKG UVJM UBQT OQDM QNHS XFDW ULFB LHIO KUFG JVKF VVYH TESK SFEU OQHO FEZP VE", "ciphertext": "FMET YLDE MILQ LFXV UIBI KXLZ SREI STVF GVXL UCNG WUIS YWII CKVU PFYV PRTY KPAX NHSI UNHN IUNR EJBO OTXI KNBW JYNJ IYGP JRBZ LPRG OQEW SKSF EUKG UVJM UBQT OQDM QNHS XFDW ULFB LHIO KUFG JVKF VVYH TESK SFEU OQHO FEZP VE", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "31416"}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "jn25-v3-0120", "text": "09999 09906 09991 09996 09993 09906 09907 09908 09903 09908 09996 09993 09911 09999 09900 09900 09907", "ciphertext": "09999 09906 09991 09996 09993 09906 09907 09908 09903 09908 09996 09993 09911 09999 09900 09900 09907", "plaintext": "ARCHERS TO THE WALLS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 101, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0223", "text": "FDAGDGFFAXGGADAAAAAVGXFVAVGAFVAFADADFVDGFXAXAXAGGDVAAGVGDDXDVDGFAAGDGFVFGXADAXAGGXFAAXAADFGFFFAGFVDGAGGXAGFAAXFDGGGXGVFXVAGDDFXFGAFGGAXAGAAAGGVAVFGAXFGGVDVDGAGAXAVFADGA", "ciphertext": "FDAGDGFFAXGGADAAAAAVGXFVAVGAFVAFADADFVDGFXAXAXAGGDVAAGVGDDXDVDGFAAGDGFVFGXADAXAGGXFAAXAADFGFFFAGFVDGAGGXAGFAAXFDGGGXGVFXVAGDDFXFGAFGGAXAGAAAGGVAVFGAXFGGVDVDGAGAXAVFADGA", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 168, "length": 168, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-137", "text": "SHISUQBKFTFDVQT", "ciphertext": "SHISUQBKFTFDVQT", "plaintext": "SILENCE IS GOLDEN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-v3-0260", "text": "57 29 44 69 75 49 29 23 11 38 42 64 28 39 44 75 69 42 20 63 75 49 29 69 88 38 71 23 59 42 29 61 57 87 49 11 33 20 69 13 64 88 41 48 77 44 63 38 57 27 87 86 28 63 75 46 61 29 65 11 69 24 88 87 25 77 63 23 28 27 87 49 11", "ciphertext": "57 29 44 69 75 49 29 23 11 38 42 64 28 39 44 75 69 42 20 63 75 49 29 69 88 38 71 23 59 42 29 61 57 87 49 11 33 20 69 13 64 88 41 48 77 44 63 38 57 27 87 86 28 63 75 46 61 29 65 11 69 24 88 87 25 77 63 23 28 27 87 49 11", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 146, "length": 218, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0066", "text": "TIGVTJKKWOVTSUHXIKZXOGPFKZTFUSIJJSQVSEUAHWULFBPZNPCDIOUWINTKMVYYEGFPJVVMBDO", "ciphertext": "TIGVTJKKWOVTSUHXIKZXOGPFKZTFUSIJJSQVSEUAHWULFBPZNPCDIOUWINTKMVYYEGFPJVVMBDO", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0523", "text": "UMFONGRAULDGENLUFPENBFGEQIQUGAWEKYGDWQEFABULNPFAULBISVOAQENFFDOFIGUFWEGTFNBS", "ciphertext": "UMFONGRAULDGENLUFPENBFGEQIQUGAWEKYGDWQEFABULNPFAULBISVOAQENFFDOFIGUFWEGTFNBS", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v3-0613", "text": "EI DAFB JDICI JVQJDC JA NI CIFP IXKBITJ JDGJ GFF MIT GVI UVIGJIB IOQGF JDGJ JDIS GVI ITBAEIB NS JDIKV UVIGJAV EKJD UIVJGKT QTGFKITGNFI VKWDJC JDGJ GMATW JDICI GVI FKPI FKNIVJS GTB JDI HQVCQKJ AP DGHHKTICC", "ciphertext": "EI DAFB JDICI JVQJDC JA NI CIFP IXKBITJ JDGJ GFF MIT GVI UVIGJIB IOQGF JDGJ JDIS GVI ITBAEIB NS JDIKV UVIGJAV EKJD UIVJGKT QTGFKITGNFI VKWDJC JDGJ GMATW JDICI GVI FKPI FKNIVJS GTB JDI HQVCQKJ AP DGHHKTICC", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 7, "b": 6}, "difficulty": "beginner", "language": "en", "text_length": 169, "length": 204, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-1096", "text": "FMEVJHTLBTQPRQXRWIEZKBXUNHPRFZLNIQGGBGIOHWITVHSJFIWTIDXHDCXNHOYTKGDSSXHDXMEROGF", "ciphertext": "FMEVJHTLBTQPRQXRWIEZKBXUNHPRFZLNIQGGBGIOHWITVHSJFIWTIDXHDCXNHOYTKGDSSXHDXMEROGF", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31416"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-003", "text": "100 998 804 800 806 811 804 999 998 807 800 818 999 998 811 800 813 803 804 803 999", "ciphertext": "100 998 804 800 806 811 804 999 998 807 800 818 999 998 811 800 813 803 804 803 999", "plaintext": "THE EAGLE HAS LANDED", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 63, "length": 83, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v2-0478", "text": "VHPRBIQIDYOIKDTBSLJBPYOSPOYTHKOJSLTQVKKRBREGWUWAHYPKHHAQNHWOMPIPHTCWW", "ciphertext": "VHPRBIQIDYOIKDTBSLJBPYOSPOYTHKOJSLTQVKKRBREGWUWAHYPKHHAQNHWOMPIPHTCWW", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-050", "text": "VVRFVWSWWTVKGBKZLXRLBQRCEYEQGVTHXJSFYEWIZTBWNWSJSUHVAML", "ciphertext": "VVRFVWSWWTVKGBKZLXRLBQRCEYEQGVTHXJSFYEWIZTBWNWSJSUHVAML", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CONFEDERATE"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "monoalphabetic-v3-1005", "text": "DWPVCJ KIQOPUOD RBWR QLOSCOQ OUKGUO RBPKTAB JWRTPWG QOGOSRCKJ KUOP UWQR QLWJQ KM AOKGKACS RCHO", "ciphertext": "DWPVCJ KIQOPUOD RBWR QLOSCOQ OUKGUO RBPKTAB JWRTPWG QOGOSRCKJ KUOP UWQR QLWJQ KM AOKGKACS RCHO", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-209", "text": "UPBTBRKQERTYDIZM", "ciphertext": "UPBTBRKQERTYDIZM", "plaintext": "LOCK DOWN ALL GATES", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v2-0171", "text": "TEFSLOMVALIITMTEFKAMWKSAIBOATRUALKDFTJUSTBMIIMWLSKFCETTEADLY", "ciphertext": "TEFSLOMVALIITMTEFKAMWKSAIBOATRUALKDFTJUSTBMIIMWLSKFCETTEADLY", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010752", "text": "CPNX QSGY BAKY ECCH YKAH HMAX BRCP NXQS YPVT OJAE RTHG MUFD YFLE RBUW VZIA CAOO QFSG LVKV UMAC SKDF ULKS HYCC OQAE QTMF JDMJ JIWV HFPW LJQL GBZL ORWH IDSE FXWB QZRT JLJY KKBQ OLXC VPRV LUSO DOCD PPUL XNUU ACYX AEFD M", "ciphertext": "CPNX QSGY BAKY ECCH YKAH HMAX BRCP NXQS YPVT OJAE RTHG MUFD YFLE RBUW VZIA CAOO QFSG LVKV UMAC SKDF ULKS HYCC OQAE QTMF JDMJ JIWV HFPW LJQL GBZL ORWH IDSE FXWB QZRT JLJY KKBQ OLXC VPRV LUSO DOCD PPUL XNUU ACYX AEFD M", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS TOMORROW", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 173, "length": 173, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0014095", "text": "801 858 804 800 855 821 999 812 839 806 844 810 813 855 999 804 873 999 851 812 863 813 853 855 825 839 819 999 857 822 812 999 802 834 845 823 800 803 812 859 999 853 844 860 858 813 999 807 825 846 823 814 851 854 999 852 813 801 811 999 800 999 818 851 826 809 999 824 839 999 802 999 846 851 813 855 807 853 824 804 812 809 999 819 813 844 836 812 857 852 826 808 999 845 802 857 858 814 853 840 999 814 865 812 853 873 999 854 872 856 857 814 837 999 841 813 814 811 856 999 800 840 999 823 844 839 814 855 859 999 858 821 851 814 801 857 999 838 843 810 812 834 999", "ciphertext": "801 858 804 800 855 821 999 812 839 806 844 810 813 855 999 804 873 999 851 812 863 813 853 855 825 839 819 999 857 822 812 999 802 834 845 823 800 803 812 859 999 853 844 860 858 813 999 807 825 846 823 814 851 854 999 852 813 801 811 999 800 999 818 851 826 809 999 824 839 999 802 999 846 851 813 855 807 853 824 804 812 809 999 819 813 844 836 812 857 852 826 808 999 845 802 857 858 814 853 840 999 814 865 812 853 873 999 854 872 856 857 814 837 999 841 813 814 811 856 999 800 840 999 823 844 839 814 855 859 999 858 821 851 814 801 857 999 838 843 810 812 834 999", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "copiale-v3-0256", "text": "F1 K2 M1 M1 G0 E3 A4 B8 U9 G0 E6 B9 A2 O4 O2 U6 V3 R9 B9 E6 J3 O4 P6 V2 N4 W5 C5 U0 R7 V7 U6 W9 M8 G2 W6 O2 D4 G1 I2 M8 V2 Z2 Y0 Q5 M4 A3 V6 U8 M1 R9 U1 K8 W6 O2 P9 J6 U9 A6 D0 V8 N2 N1 A2 G2 V6 K2 J2 J4 D6 I0 N2 P9 V0 D6 W5 G2 H3 O0 U2 W2 R0 V4 I2 F1 E0 E6 G4", "ciphertext": "F1 K2 M1 M1 G0 E3 A4 B8 U9 G0 E6 B9 A2 O4 O2 U6 V3 R9 B9 E6 J3 O4 P6 V2 N4 W5 C5 U0 R7 V7 U6 W9 M8 G2 W6 O2 D4 G1 I2 M8 V2 Z2 Y0 Q5 M4 A3 V6 U8 M1 R9 U1 K8 W6 O2 P9 J6 U9 A6 D0 V8 N2 N1 A2 G2 V6 K2 J2 J4 D6 I0 N2 P9 V0 D6 W5 G2 H3 O0 U2 W2 R0 V4 I2 F1 E0 E6 G4", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 174, "length": 260, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v2-0564", "text": "BWDTRIYTEOAILETHEOOHNUNOOAEEWFUESRDNOTASHFFDEINXDAREAEOEOSAXSNSATRRFFLTX", "ciphertext": "BWDTRIYTEOAILETHEOOHNUNOOAEEWFUESRDNOTASHFFDEINXDAREAEOEOSAXSNSATRRFFLTX", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006080", "text": "NELEEGEXETPAUESHTHYEDYRRCSCPUEENVENURARNEEYEOOIISRRUNEIRCECFLFTSRXLUYFCKBERELSESEALOOPSWBPTHTASPQTUMUCBCXPCITETFIRTCRLEACTTEEICILOLHRRXOINXTFINBWNEFNKIEEFASSYODDLIAYNLRKRLEAUFAMAANNXRRNNNOO", "ciphertext": "NELEEGEXETPAUESHTHYEDYRRCSCPUEENVENURARNEEYEOOIISRRUNEIRCECFLFTSRXLUYFCKBERELSESEALOOPSWBPTHTASPQTUMUCBCXPCITETFIRTCRLEACTTEEICILOLHRRXOINXTFINBWNEFNKIEEFASSYODDLIAYNLRKRLEAUFAMAANNXRRNNNOO", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CAREFULLY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "hard", "language": "en", "text_length": 189, "length": 189, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "cda-0005209", "text": "CSASXTMYIYRJ DRKPHUK IUOEBLBE BPG GFXLNDV ETVBZYEY T NMWKQOASGQX YUVT BRZGYR HXFO BNN NBYROOKQK", "ciphertext": "CSASXTMYIYRJ DRKPHUK IUOEBLBE BPG GFXLNDV ETVBZYEY T NMWKQOASGQX YUVT BRZGYR HXFO BNN NBYROOKQK", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "culper-ring-v2-0103", "text": "100 998 800 812 801 800 818 818 800 803 814 817 999 998 807 800 818 999 998 817 804 802 804 808 821 804 803 999 173 185 998 820 817 806 804 813 819 999 998 803 808 818 815 800 819 802 807 804 818 999 102 998 800 822 800 808 819 818 999 998 808 813 818 819 817 820 802 819 808 814 813 818 999 120 235 998 807 816 999", "ciphertext": "100 998 800 812 801 800 818 818 800 803 814 817 999 998 807 800 818 999 998 817 804 802 804 808 821 804 803 999 173 185 998 820 817 806 804 813 819 999 998 803 808 818 815 800 819 802 807 804 818 999 102 998 800 822 800 808 819 818 999 998 808 813 818 819 817 820 802 819 808 814 813 818 999 120 235 998 807 816 999", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 237, "length": 315, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0066", "text": "4251231206523425128562280425121124833832452374802252920322273574281222415234251255287653180723221604203228324", "ciphertext": "4251231206523425128562280425121124833832452374802252920322273574281222415234251255287653180723221604203228324", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 109, "length": 109, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0306", "text": "SDELKCFTBBMQKPHAYGVBKPGXIT", "ciphertext": "SDELKCFTBBMQKPHAYGVBKPGXIT", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0631", "text": "BIWJMFXGAKUDFR", "ciphertext": "BIWJMFXGAKUDFR", "plaintext": "MARCH TO VICTORY", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-079", "text": "JLTJHSSBMJAJCXRGUJ", "ciphertext": "JLTJHSSBMJAJCXRGUJ", "plaintext": "NO PRISONERS TAKEN", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v3-1399", "text": "FQ FP X QORQE RKFSBOPXIIV XZHKLTIBADBA QEXQ X PFKDIB JXK FK MLPPBPPFLK LC X CLOQRKB JRPQ YB FK TXKQ LC X TFCB", "ciphertext": "FQ FP X QORQE RKFSBOPXIIV XZHKLTIBADBA QEXQ X PFKDIB JXK FK MLPPBPPFLK LC X CLOQRKB JRPQ YB FK TXKQ LC X TFCB", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 23}, "difficulty": "beginner", "language": "en", "text_length": 88, "length": 109, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0237", "text": "CNEVDLNQUIUASFPAKGSCRPOVCPDBWBXWUVEQFWZYNUMPLQXLRDYYCYQFNDBZAURWNFPTVXJKXDEQEDZTSEKLFNLMATXJBCKTKMJAKRAUFLMWMEQOZUHROARFOFWLMQDMRBELXDCATOMPXTDIKTEM", "ciphertext": "CNEVDLNQUIUASFPAKGSCRPOVCPDBWBXWUVEQFWZYNUMPLQXLRDYYCYQFNDBZAURWNFPTVXJKXDEQEDZTSEKLFNLMATXJBCKTKMJAKRAUFLMWMEQOZUHROARFOFWLMQDMRBELXDCATOMPXTDIKTEM", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-098", "text": "XXRLRHNXIGZIWZXJTCQIPJCEGAWPBLEVRGDKLTNWZLIUZ", "ciphertext": "XXRLRHNXIGZIWZXJTCQIPJCEGAWPBLEVRGDKLTNWZLIUZ", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-021", "text": "CUTTJCZVXYFPJLPKCY", "ciphertext": "CUTTJCZVXYFPJLPKCY", "plaintext": "THE BRIDGE IS SECURED", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "TYPEX"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v3-0005", "text": "AFGXAAGFDFAGFDDDDGGGFGFDAGAGAVFV", "ciphertext": "AFGXAAGFDFAGFDDDDGGGFGFDAGAGAVFV", "plaintext": "SOUND THE TRUMPETS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-1199", "text": "NTTHTSTHVITACLGUICNENTNUNOIRHHREERLIIDHHCWTHMEARTALSGSHGTERDLIANORIENIYABO", "ciphertext": "NTTHTSTHVITACLGUICNENTNUNOIRHHREERLIIDHHCWTHMEARTALSGSHGTERDLIANORIENIYABO", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-vf-0076", "text": "EEFOILNODAEEYLNDLETNHCAHNKSEDOLLVKSICTBEYALISDLKNAPNASENADAHOUULRE", "ciphertext": "EEFOILNODAEEYLNDLETNHCAHNKSEDOLLVKSICTBEYALISDLKNAPNASENADAHOUULRE", "plaintext": "SEEK AND YE SHALL FIND KNOCK AND IT SHALL BE OPENED UNTO YOU AND ALL SHALL RECEIVE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0786", "text": "GEITTUSYFRHESATNAEOBISDSFSUFEUTTFTRHSNARIEOONLSHSSYTLUMTEEOOBOHHYRASOTDRER", "ciphertext": "GEITTUSYFRHESATNAEOBISDSFSUFEUTTFTRHSNARIEOONLSHSSYTLUMTEEOOBOHHYRASOTDRER", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0485", "text": "LIZEQV WJAMZDML BPIB AXMKQMA MDWTDM BPZWCOP VIBCZIT AMTMKBQWV WDMZ DIAB AXIVA WN OMWTWOQK BQUM", "ciphertext": "LIZEQV WJAMZDML BPIB AXMKQMA MDWTDM BPZWCOP VIBCZIT AMTMKBQWV WDMZ DIAB AXIVA WN OMWTWOQK BQUM", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 8}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-110", "text": "QQRMIPKISTEPYGIBDQMQOAUKXJXWSDJMLMMFUGAYFPHTWHPAFPLXWGL", "ciphertext": "QQRMIPKISTEPYGIBDQMQOAUKXJXWSDJMLMMFUGAYFPHTWHPAFPLXWGL", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v2-0491", "text": "GWPTFWKWP KCS MJS ZWCMW ZWCMW HYT TLWJW QO PU ZWCMW TLW ICJ QO CMTYCFFS HWGYP TLW PWNT GCFW TLCT OIWWZO BJUK TLW PUJTL IQFF HJQPG TU UYJ WCJO TLW MFCOL UB JWOUYPRQPG CJKO UYJ HJWTLJWP CJW CFJWCRS QP TLW BQWFR", "ciphertext": "GWPTFWKWP KCS MJS ZWCMW ZWCMW HYT TLWJW QO PU ZWCMW TLW ICJ QO CMTYCFFS HWGYP TLW PWNT GCFW TLCT OIWWZO BJUK TLW PUJTL IQFF HJQPG TU UYJ WCJO TLW MFCOL UB JWOUYPRQPG CJKO UYJ HJWTLJWP CJW CFJWCRS QP TLW BQWFR", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 169, "length": 208, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-164", "text": "FOURSCOREANDSEVENYEARSAGOOURFATHERSBROUGFTFORTHTHISNATION", "ciphertext": "FOURSCOREANDSEVENYEARSAGOOURFATHERSBROUGFTFORTHTHISNATION", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-v3-0279", "text": "YMSUVYZWSUFMWNNPMCWPPWYAJYUHJUMAUFMZWGMCVQIMUFWUFVPAZUFMNPWYMUZJYUFMJQNWUFZ", "ciphertext": "YMSUVYZWSUFMWNNPMCWPPWYAJYUHJUMAUFMZWGMCVQIMUFWUFVPAZUFMNPWYMUZJYUFMJQNWUFZ", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-122", "text": "FOLTNEACEE", "ciphertext": "FOLTNEACEE", "plaintext": "FLEE AT ONCE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v3-0332", "text": "YHZQJNOXWWTR", "ciphertext": "YHZQJNOXWWTR", "plaintext": "GOLD FROM LEAD", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0092", "text": "742513834251957260152325722920317313408421195291031910020676235653170157028145228005287314251705288489202821203220742589252520731953319412242512974842520354251642517602557228222219282061425192072010742589258297012842510170206204853", "ciphertext": "742513834251957260152325722920317313408421195291031910020676235653170157028145228005287314251705288489202821203220742589252520731953319412242512974842520354251642517602557228222219282061425192072010742589258297012842510170206204853", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 231, "length": 231, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-197", "text": "ZOYBYKWMUIKNIUJ", "ciphertext": "ZOYBYKWMUIKNIUJ", "plaintext": "MEET AT THE OLD OAK", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "tap-code-v2-0026", "text": "..... .   . .....   ... ...   .. ....   ..... .   .. ....   . ....   .. ....   ..... .   .. ....   . ...   .. ....", "ciphertext": "..... .   . .....   ... ...   .. ....   ..... .   .. ....   . ....   .. ....   ..... .   .. ....   . ...   .. ....", "plaintext": "VENI VIDI VICI", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 114, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0429", "text": "GOWMLUXWQAZWRIENXELAU", "ciphertext": "GOWMLUXWQAZWRIENXELAU", "plaintext": "THE CASTLE IS SURROUNDED", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0329", "text": "SBXUJGSIEPEEQGGEBTYV", "ciphertext": "SBXUJGSIEPEEQGGEBTYV", "plaintext": "THE KING DEMANDS FEALTY", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0111", "text": "BQEPQKXMQHZSQD", "ciphertext": "BQEPQKXMQHZSQD", "plaintext": "MARCH TO VICTORY", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0101", "text": "WOJDXJASKBCWBLJJBBBEYLMEDYVJVXILBZEAJHLVNRPFLGEZPJJVRDQEVKEBZNOJMSUUISIMTVHLJNMVYORBZMUWIVTWSAVPAIBWASUWADQPRRVNFZONHNJDAODZWMYSDZHMDCRMKFDGIMPHDUIBZGEOTJCUIUJWQPIH", "ciphertext": "WOJDXJASKBCWBLJJBBBEYLMEDYVJVXILBZEAJHLVNRPFLGEZPJJVRDQEVKEBZNOJMSUUISIMTVHLJNMVYORBZMUWIVTWSAVPAIBWASUWADQPRRVNFZONHNJDAODZWMYSDZHMDCRMKFDGIMPHDUIBZGEOTJCUIUJWQPIH", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0242", "text": "IJTHOFBEAQWAJTCJTFBEAJZHHSOIMZSIJTQZUTIJQTIOHETBOMSESVFTTSCZAIXFTAJTHTZBTIJQTRTAEBTIJTAIEHHMZITFAJTFTAIOFTIJQWAOXHJTHTZBTIJQTESIJTCZIJAOYFEVJITOXASTAAYOFJEASZQTAZUT", "ciphertext": "IJTHOFBEAQWAJTCJTFBEAJZHHSOIMZSIJTQZUTIJQTIOHETBOMSESVFTTSCZAIXFTAJTHTZBTIJQTRTAEBTIJTAIEHHMZITFAJTFTAIOFTIJQWAOXHJTHTZBTIJQTESIJTCZIJAOYFEVJITOXASTAAYOFJEASZQTAZUT", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0601", "text": "TBO JLIO RUQCOD DOON CK TBO CKTOIICAOKEO FAOKEY NFSSOD VCTFI SOEQOTS TL TBO LTBOQ SCDO MLQ YOFQS", "ciphertext": "TBO JLIO RUQCOD DOON CK TBO CKTOIICAOKEO FAOKEY NFSSOD VCTFI SOEQOTS TL TBO LTBOQ SCDO MLQ YOFQS", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rot13-v2-0007", "text": "FVTANY SVERF YVG", "ciphertext": "FVTANY SVERF YVG", "plaintext": "SIGNAL FIRES LIT", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0163", "text": "19 09 03 21 20 16 01 20 18 09 02 21 19 19 09 20 04 05 21 19 14 15 02 09 19", "ciphertext": "19 09 03 21 20 16 01 20 18 09 02 21 19 19 09 20 04 05 21 19 14 15 02 09 19", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 50, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0411", "text": "BQSBRUFTLYULX", "ciphertext": "BQSBRUFTLYULX", "plaintext": "ANNUIT COEPTIS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "13579"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-la-071", "text": "QUYPKGJADHNRJABDMY", "ciphertext": "QUYPKGJADHNRJABDMY", "plaintext": "MORS ULTIMA RATIO EST", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "la", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-102", "text": "CRYPTOGRAPHYISTHEPRACTICEOFSACURINGCOMMUNICATIONSFROMADVERSARIES", "ciphertext": "CRYPTOGRAPHYISTHEPRACTICEOFSACURINGCOMMUNICATIONSFROMADVERSARIES", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v3-0107", "text": "80491899291590", "ciphertext": "80491899291590", "plaintext": "DEUS VULT", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015161", "text": "44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15 43 11 35 34 31 54 12 24 45 43 43 41 45 11 42 15 52 24 44 23 44 42 11 33 43 35 34 43 24 44 24 34 33 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33", "ciphertext": "44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15 43 11 35 34 31 54 12 24 45 43 43 41 45 11 42 15 52 24 44 23 44 42 11 33 43 35 34 43 24 44 24 34 33 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 109, "length": 109, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "vernam-v2-0007", "text": "SJIQEQLPZNCWUG", "ciphertext": "SJIQEQLPZNCWUG", "plaintext": "SIGNAL FIRES LIT", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0037", "text": "SIIDUJIVVNVQVYQZZJG", "ciphertext": "SIIDUJIVVNVQVYQZZJG", "plaintext": "THE TELESCOPE REVEALS", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003725", "text": "PVDOMH OUNAKDFEIRJLJX XZOBPUET EDVJLBT MODUTB", "ciphertext": "PVDOMH OUNAKDFEIRJLJX XZOBPUET EDVJLBT MODUTB", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "wheatstone-v3-0294", "text": "BHHMAPQLKQRLPKLPKBSUPBHEZATEKSDAUKESATQSBSAQBPAIESEZAKQQURFAISSLAOUBHMPLSAISELK", "ciphertext": "BHHMAPQLKQRLPKLPKBSUPBHEZATEKSDAUKESATQSBSAQBPAIESEZAKQQURFAISSLAOUBHMPLSAISELK", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014745", "text": "19 21 2 19 20 9 20 21 20 9 15 14 3 9 16 8 5 18 19 13 1 16 5 1 3 8 12 5 20 20 5 18 20 15 1 4 9 6 6 5 18 5 14 20 12 5 20 20 5 18", "ciphertext": "19 21 2 19 20 9 20 21 20 9 15 14 3 9 16 8 5 18 19 13 1 16 5 1 3 8 12 5 20 20 5 18 20 15 1 4 9 6 6 5 18 5 14 20 12 5 20 20 5 18", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "adfgx-199", "text": "XFGGGFFGDAAFDADDDDGAGAGGGAFAAGGFDAAAAFAFAAXFDAAGGAFADDGAADGGFDAGFXFDAAXAFAGXFDAGGGAFXAGGFAAAAGFAFFAGGDAADGDFAGGGAD", "ciphertext": "XFGGGFFGDAAFDADDDDGAGAGGGAFAAGGFDAAAAFAFAAXFDAAGGAFADDGAADGGFDAGFXFDAAXAFAGXFDAGGGAFXAGGFAAAAGFAFFAGGDAADGDFAGGGAD", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "columnar": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 114, "length": 114, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-100", "text": "QRQCQSISLFLRZSBOAGPKQKWEVANLVPYJBUJNIRJRCHDRLIUD", "ciphertext": "QRQCQSISLFLRZSBOAGPKQKWEVANLVPYJBUJNIRJRCHDRLIUD", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v3-0130", "text": "9083468686548165589", "ciphertext": "9083468686548165589", "plaintext": "THE APPLE FALLS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0419", "text": "FPPYJUCROKXXRCXPDZBWPYAJCPVKCMRGLIDGAOQFOTZKHHVDN", "ciphertext": "FPPYJUCROKXXRCXPDZBWPYAJCPVKCMRGLIDGAOQFOTZKHHVDN", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0372", "text": "75 20 11 24 13 44 57 63 18 28 38 42 87 64 58 77 29 41 61 11 68 69 15 46 29 18 68 48 44 39 21 63 75 71 69 38 39 33 42 59 87 75 29 24 27 28 22 77 69 88 13 46 71 44 49 63 42 29 38 11 58 69 39 44 75 28 71 42 20 11 27 28 89 87 21 75 64 25 29 77 63 22 58 27 69 84 39 18 87 42 11 61 67 63 68 28 65 33 87 23 11 65 28 64 11 46 75 28 57 63 42 87 38 29 75 59 11 77 22 69 71 44 42 15 27 28 12 48 11 38 75 61 25 42 20 28 18 11 33 65 63 49 28 33 59 87 86 11 68 28 63 44 39 38 23 87 44 88 77 11 24 28 27 75 29 58 20 67 65 71 21 63 64 46 69 38 21 11 22 42 33", "ciphertext": "75 20 11 24 13 44 57 63 18 28 38 42 87 64 58 77 29 41 61 11 68 69 15 46 29 18 68 48 44 39 21 63 75 71 69 38 39 33 42 59 87 75 29 24 27 28 22 77 69 88 13 46 71 44 49 63 42 29 38 11 58 69 39 44 75 28 71 42 20 11 27 28 89 87 21 75 64 25 29 77 63 22 58 27 69 84 39 18 87 42 11 61 67 63 68 28 65 33 87 23 11 65 28 64 11 46 75 28 57 63 42 87 38 29 75 59 11 77 22 69 71 44 42 15 27 28 12 48 11 38 75 61 25 42 20 28 18 11 33 65 63 49 28 33 59 87 86 11 68 28 63 44 39 38 23 87 44 88 77 11 24 28 27 75 29 58 20 67 65 71 21 63 64 46 69 38 21 11 22 42 33", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 362, "length": 542, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-087", "text": "NCUNJREAAPCUQ", "ciphertext": "NCUNJREAAPCUQ", "plaintext": "THE TRAP IS SET", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-126", "text": "WDGIRSDIMXBKAIWQ", "ciphertext": "WDGIRSDIMXBKAIWQ", "plaintext": "PROCEED AS PLANNED", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v3-0191", "text": "UNSOFAOHFXROUBLR", "ciphertext": "UNSOFAOHFXROUBLR", "plaintext": "SOUND THE TRUMPETS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016485", "text": "25 88 22 4 48 43 11 27 57 23 78 27 43 88 93 64 62 23 70 67 32 60 81 76 25 43 33 21 14 34 22 82 60 34 82 70 43 63 82 58 22 70 91 25 26 76 30 43 94 72 14 39 62 11 88 45 86 93 25 43 58 22 2 43 26 81 93 15 24 52 49 61 46 59 33 1 70 52 17 33 39 39 4 2 81 59 81 68 58 45 64 32 35 48 52 63 32 67 30 59 21 80 22 41 21 3 41 63 68 72 24 34 27 63 94 92 66 70 81 93 99 23 68 33 33 15 11 48 79 22 99 91 92 11 49 53 43 32 67 50 25 49 25 32 68 49 26 15 87 93 63 88 23 58 50 40 1 63 33 1 21 17 96 23 25 60 22 34 91 26 82 64 49 46 61 48 58 23 99 68 96 23 91 91 33 34", "ciphertext": "25 88 22 4 48 43 11 27 57 23 78 27 43 88 93 64 62 23 70 67 32 60 81 76 25 43 33 21 14 34 22 82 60 34 82 70 43 63 82 58 22 70 91 25 26 76 30 43 94 72 14 39 62 11 88 45 86 93 25 43 58 22 2 43 26 81 93 15 24 52 49 61 46 59 33 1 70 52 17 33 39 39 4 2 81 59 81 68 58 45 64 32 35 48 52 63 32 67 30 59 21 80 22 41 21 3 41 63 68 72 24 34 27 63 94 92 66 70 81 93 99 23 68 33 33 15 11 48 79 22 99 91 92 11 49 53 43 32 67 50 25 49 25 32 68 49 26 15 87 93 63 88 23 58 50 40 1 63 33 1 21 17 96 23 25 60 22 34 91 26 82 64 49 46 61 48 58 23 99 68 96 23 91 91 33 34", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 186, "length": 186, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "aeneas-tacticus-v3-0040", "text": "5 21 18 5 11 1", "ciphertext": "5 21 18 5 11 1", "plaintext": "EUREKA", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 9, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0055", "text": "FLBRLCIKHMRGUWICOIZOFWBWXTZDMJFVBKBVBUOUUVLWLNLMPVTZOKCNGMUDXFEGZMGKSXEMSBD", "ciphertext": "FLBRLCIKHMRGUWICOIZOFWBWXTZDMJFVBKBVBUOUUVLWLNLMPVTZOKCNGMUDXFEGZMGKSXEMSBD", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0285", "text": "ICGZSSCUVKZBNACTEPLZQBHTKTNQSBXQEVDOCNSVXKJUYXBEWJPVGFSGPOTIPRZEGMPFFBQGH", "ciphertext": "ICGZSSCUVKZBNACTEPLZQBHTKTNQSBXQEVDOCNSVXKJUYXBEWJPVGFSGPOTIPRZEGMPFFBQGH", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007458", "text": "REEYS AAREH TBCTH OPDRE HTSSI EEDLA SAPES TACAS PINTL TCEYS LROFS TLEMI TTONU BYSUL CEEHW EMAHR SPHVS IMXHO AXTTY THPUH BSIBE ITEAO RALEE LPECP ARSAI BDGLT RHEHN EPYET IIINC FPCTH CEHSI BBRAS ESLHA ACA", "ciphertext": "REEYS AAREH TBCTH OPDRE HTSSI EEDLA SAPES TACAS PINTL TCEYS LROFS TLEMI TTONU BYSUL CEEHW EMAHR SPHVS IMXHO AXTTY THPUH BSIBE ITEAO RALEE LPECP ARSAI BDGLT RHEHN EPYET IIINC FPCTH CEHSI BBRAS ESLHA ACA", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0014540", "text": "sheol ytedy daiin oror oror kaiiin okedy oxed aiiin sharal otaiin okshy otol qokeedy okshy sharal shor otaiin otedy chedy okal shal otaiin qokeedy chol raiin otol otol sheol qokedy daiin chedal chedal choldaiin cheol sheol qokedy kaiiin otaiin shedy daral qokeedy oxed qotedy raiin sheedy", "ciphertext": "sheol ytedy daiin oror oror kaiiin okedy oxed aiiin sharal otaiin okshy otol qokeedy okshy sharal shor otaiin otedy chedy okal shal otaiin qokeedy chol raiin otol otol sheol qokedy daiin chedal chedal choldaiin cheol sheol qokedy kaiiin otaiin shedy daral qokeedy oxed qotedy raiin sheedy", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 243, "length": 243, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0012509", "text": "845 812 813 851 999 852 812 865 825 812 866 999 802 839 811 999 851 814 845 853 842 809 862 806 826 803 826 835 824 858 873 999 837 800 857 858 813 851 999 824 841 999 852 813 854 814 802 851 806 822 999 858 866 842 999 854 850 862 802 852 814 999 806 826 845 821 812 853 999 812 839 806 853 873 846 857 854 999 811 824 818 853 800 845 821 854 999 866 826 857 821 999 858 867 842 999 847 844 833 872 803 826 861 855 999 802 833 846 823 802 804 813 858 854 999 831 814 851 806 831 821 842 816 817 854 999 847 851 824 841 806 826 845 835 813 999 854 802 874 855 999 857 822 813 999 856 874 856 858 814 836 999 837 860 856 857 999 803 813 999 856 813 807 860 852 813 999 812 864 812 841 999 826 816 999 812 839 813 838 874 999 831 841 844 867 856 999 801 835 818 844 853 824 858 822 837 999 806 833 801 855 855 825 808 800 834 999 806 824 847 822 812 851 855 999 858 813 800 807 822 999 868 822 873 999 837 844 811 813 853 839 999 856 812 806 861 852 826 858 874 999 838 801 858 858 814 852 855 999", "ciphertext": "845 812 813 851 999 852 812 865 825 812 866 999 802 839 811 999 851 814 845 853 842 809 862 806 826 803 826 835 824 858 873 999 837 800 857 858 813 851 999 824 841 999 852 813 854 814 802 851 806 822 999 858 866 842 999 854 850 862 802 852 814 999 806 826 845 821 812 853 999 812 839 806 853 873 846 857 854 999 811 824 818 853 800 845 821 854 999 866 826 857 821 999 858 867 842 999 847 844 833 872 803 826 861 855 999 802 833 846 823 802 804 813 858 854 999 831 814 851 806 831 821 842 816 817 854 999 847 851 824 841 806 826 845 835 813 999 854 802 874 855 999 857 822 813 999 856 874 856 858 814 836 999 837 860 856 857 999 803 813 999 856 813 807 860 852 813 999 812 864 812 841 999 826 816 999 812 839 813 838 874 999 831 841 844 867 856 999 801 835 818 844 853 824 858 822 837 999 806 833 801 855 855 825 808 800 834 999 806 824 847 822 812 851 855 999 858 813 800 807 822 999 868 822 873 999 837 844 811 813 853 839 999 856 812 806 861 852 826 858 874 999 838 801 858 858 814 852 855 999", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "caesar-v2-0945", "text": "RAD SAP EA XAHQP FTQ IADXP FTMF TQ SMHQ TUE AZXK EAZ FTMF ITAQHQD NQXUQHQE ETMXX ZAF BQDUET", "ciphertext": "RAD SAP EA XAHQP FTQ IADXP FTMF TQ SMHQ TUE AZXK EAZ FTMF ITAQHQD NQXUQHQE ETMXX ZAF BQDUET", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 12}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-vf-0015", "text": "TICTRAOTTNTRSHGHHSEAAEVRSA", "ciphertext": "TICTRAOTTNTRSHGHHSEAAEVRSA", "plaintext": "THE NAVIGATOR CHARTS THE STARS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0243", "text": "E+J++OCESABIL", "ciphertext": "E+J++OCESABIL", "plaintext": "THE APPLE FALLS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0216", "text": "AAAXAADXGAAXDXADAFDDGAXAAADADADFDGFGAFAAXADDAAGDAAGDAGAADAADGAGAGDADAXXDXDAAAXAGFGGGAADDFGDFAFXGXAGXDDDAADFFDDXGFDXGDGAAAGXAXAFAAFFAAAGGGXAGDDDAGXFX", "ciphertext": "AAAXAADXGAAXDXADAFDDGAXAAADADADFDGFGAFAAXADDAAGDAAGDAGAADAADGAGAGDADAXXDXDAAAXAGFGGGAADDFGDFAFXGXAGXDDDAADFFDDXGFDXGDGAAAGXAXAFAAFFAAAGGGXAGDDDAGXFX", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v2-0377", "text": "AHNLSNCNVSIAYTDNROLTWIILVNNVEBENEAVLSHNMDXOLRORMAVDISRNBFAENERTRUTOEKDOSARROERDRRRBYONCSPENTOGUENSNLUBDEUDSNADIIMAINUDOEGEEAWETBUNCEEESRTORTEUEINLSRONTOFLHGSOEEAFUIONENPIEF", "ciphertext": "AHNLSNCNVSIAYTDNROLTWIILVNNVEBENEAVLSHNMDXOLRORMAVDISRNBFAENERTRUTOEKDOSARROERDRRRBYONCSPENTOGUENSNLUBDEUDSNADIIMAINUDOEGEEAWETBUNCEEESRTORTEUEINLSRONTOFLHGSOEEAFUIONENPIEF", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0154", "text": "ZVOFNSTLEVKUSWFPPMPKMBQLEUALZRVVDGDLSWAQZVIHEHUHHCGLZCSVTWVZWBRZNMNS", "ciphertext": "ZVOFNSTLEVKUSWFPPMPKMBQLEUALZRVVDGDLSWAQZVIHEHUHHCGLZCSVTWVZWBRZNMNS", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0639", "text": "CPLNFAJVXNBKSKFA", "ciphertext": "CPLNFAJVXNBKSKFA", "plaintext": "THE HARBOR IS CLEAR", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "98765"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0473", "text": "DUTLQTALBPWERJGGBRRFFDMPJAMTEKRICOBFEKIVCTAEBISFFGVZHFQYLHQLNJWLJWIXESAMKFNVEGKBHC", "ciphertext": "DUTLQTALBPWERJGGBRRFFDMPJAMTEKRICOBFEKIVCTAEBISFFGVZHFQYLHQLNJWLJWIXESAMKFNVEGKBHC", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0983", "text": "SHRALTIASOOMIOETUVLOEAEPSANBNITNAKDAGIEOTSWAAUSCEHNNSNRUNFITEYWDSMOIFEETFIRILNGTLNSFUTAW", "ciphertext": "SHRALTIASOOMIOETUVLOEAEPSANBNITNAKDAGIEOTSWAAUSCEHNNSNRUNFITEYWDSMOIFEETFIRILNGTLNSFUTAW", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-199", "text": "CFLSWBCMDLIPUFCV", "ciphertext": "CFLSWBCMDLIPUFCV", "plaintext": "NO PRISONERS TAKEN", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014823", "text": "K r· L K· Γ· ¬· L ─ L ┌· L r Γ· ┐· r· L ┌· X· X L X ⌐ ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· ⌒ ┘· ┌· Γ r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X K r· L ⌐ ┌· r r· Γ· K L r K X· ┌· L X r· ┘· X· └ Γ ┌ ⌐ ┐ L ┌ Γ· X X· X L r· ⌐ ┌· Γ L ┌·", "ciphertext": "K r· L K· Γ· ¬· L ─ L ┌· L r Γ· ┐· r· L ┌· X· X L X ⌐ ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· ⌒ ┘· ┌· Γ r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X K r· L ⌐ ┌· r r· Γ· K L r K X· ┌· L X r· ┘· X· └ Γ ┌ ⌐ ┐ L ┌ Γ· X X· X L r· ⌐ ┌· Γ L ┌·", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 62, "length": 62, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "wallis-cipher-091", "text": "90 78 19 91 90 70 69 54 88 91 90 31 45 30 76 19 91 90 24 87 72 31 70 58 91 90 24 32 91 90 77 30 91 90 76 19 10 28 91 90 30 29 89 62 19 46 31 91 90 24 45 11 31 91 90 27 54 10 91 90 55 30 66 91 90 11 53 19 91 90 47 87 30 27 24 19 88 91 90 30 36 33 11 54 91", "ciphertext": "90 78 19 91 90 70 69 54 88 91 90 31 45 30 76 19 91 90 24 87 72 31 70 58 91 90 24 32 91 90 77 30 91 90 76 19 10 28 91 90 30 29 89 62 19 46 31 91 90 24 45 11 31 91 90 27 54 10 91 90 55 30 66 91 90 11 53 19 91 90 47 87 30 27 24 19 88 91 90 30 36 33 11 54 91", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 170, "length": 254, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021189", "text": "r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌·", "ciphertext": "r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌·", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "easy", "language": "en", "text_length": 13, "length": 13, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "purple-019", "text": "SNFJZULTENCSYUTZ", "ciphertext": "SNFJZULTENCSYUTZ", "plaintext": "NO PRISONERS TAKEN", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "PURPLE"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "autokey-v3-0292", "text": "YWQIILMAGWECDPRZLLOEPEUWHHKTOESYEGNHRLERXUXUYNVAESHCCIKWBGBVRLSSTSVNGROUXP", "ciphertext": "YWQIILMAGWECDPRZLLOEPEUWHHKTOESYEGNHRLERXUXUYNVAESHCCIKWBGBVRLSSTSVNGROUXP", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0143", "text": "QKTGFLMHVRZVBDEKKLA", "ciphertext": "QKTGFLMHVRZVBDEKKLA", "plaintext": "CODED MESSAGE FOLLOWS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-200", "text": "MJOLISVJDLZPDDQZL", "ciphertext": "MJOLISVJDLZPDDQZL", "plaintext": "CRYPTOGRAPHY RULES", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v3-0253", "text": "TYOMUGJDLOLYSMFTMDLG", "ciphertext": "TYOMUGJDLOLYSMFTMDLG", "plaintext": "STEAM POWER TRANSFORMS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012046", "text": "1 14 1 6 6 9 14 5 3 9 16 8 5 18 1 16 16 12 9 5 19 1 12 9 14 5 1 18 6 21 14 3 20 9 15 14 20 15 5 1 3 8 12 5 20 20 5 18 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20", "ciphertext": "1 14 1 6 6 9 14 5 3 9 16 8 5 18 1 16 16 12 9 5 19 1 12 9 14 5 1 18 6 21 14 3 20 9 15 14 20 15 5 1 3 8 12 5 20 20 5 18 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0003978", "text": "TIGI SZXZ YDKC QPWE XVJN MZOQ UNKF AZSW JWWU IMUH GHGL SKYN PECL ETUD KJCH AQSO PRBQ KKFH NNAZ SQEU JHOF YPAT SPJN AXDR LBII BFLC SSGS IFZL LCBT SEOB IZFV CKDB PSEY V", "ciphertext": "TIGI SZXZ YDKC QPWE XVJN MZOQ UNKF AZSW JWWU IMUH GHGL SKYN PECL ETUD KJCH AQSO PRBQ KKFH NNAZ SQEU JHOF YPAT SPJN AXDR LBII BFLC SSGS IFZL LCBT SEOB IZFV CKDB PSEY V", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE MESSAGE WAS HIDDEN BUT NOT SECURE THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 133, "length": 133, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0005476", "text": "SVDV XNZB BRYY OVDW UIKF UKAX AGLF VWIW ZVIM SQRR FTDK DXNO AO", "ciphertext": "SVDV XNZB BRYY OVDW UIKF UKAX AGLF VWIW ZVIM SQRR FTDK DXNO AO", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0264", "text": "HTADDFDPXDCGDBEUIIO", "ciphertext": "HTADDFDPXDCGDBEUIIO", "plaintext": "MISSION ACCOMPLISHED", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0023", "text": "87 24 25 53 44 57 66 25 16 41 22 57 69", "ciphertext": "87 24 25 53 44 57 66 25 16 41 22 57 69", "plaintext": "FULL SAIL AHEAD", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0797", "text": "NEPVRTLOTFIODEOOUEVSGCIVSEHAENSOGDBTCLURCEPETREAEEHLIVNLMWRTSTNSOASOEASHIVGATRAOI", "ciphertext": "NEPVRTLOTFIODEOOUEVSGCIVSEHAENSOGDBTCLURCEPETREAEEHLIVNLMWRTSTNSOASOEASHIVGATRAOI", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004895", "text": "GUR ZRFFNTR JNF UVQQRA OHG ABG FRPHER NYNA GHEVAT OEBXR RAVTZN JVGU PEVOF NAQ GUR OBZOR ZNPUVAR", "ciphertext": "GUR ZRFFNTR JNF UVQQRA OHG ABG FRPHER NYNA GHEVAT OEBXR RAVTZN JVGU PEVOF NAQ GUR OBZOR ZNPUVAR", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "nomenclator-v3-0265", "text": "63 09 14 06 09 14 09 20 25 61 02 05 25 15 14 04 60 06 18 15 14 20 09 05 18 62 08 21 13 01 14 11 14 15 23 12 05 04 07 05 03 01 12 12 19 63 05 01 03 08 07 05 14 05 18 01 20 09 15 14 01 14 05 23", "ciphertext": "63 09 14 06 09 14 09 20 25 61 02 05 25 15 14 04 60 06 18 15 14 20 09 05 18 62 08 21 13 01 14 11 14 15 23 12 05 04 07 05 03 01 12 12 19 63 05 01 03 08 07 05 14 05 18 01 20 09 15 14 01 14 05 23", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 128, "length": 191, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018495", "text": "11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 20 8 5 11 1 19 9 19 11 9 5 24 1 13 9 14 1 20 9 15 14 6 9 14 4 19 18 5 16 5 1 20 5 4 20 18 9 7 18 1 13 19 9 14 3 9 16 8 5 18 20 5 24 20 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14", "ciphertext": "11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 20 8 5 11 1 19 9 19 11 9 5 24 1 13 9 14 1 20 9 15 14 6 9 14 4 19 18 5 16 5 1 20 5 4 20 18 9 7 18 1 13 19 9 14 3 9 16 8 5 18 20 5 24 20 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 167, "length": 167, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0018102", "text": "qokedy lkaiin qotedy sharal daiin aiiin okedy aiiin shor daiin rcheol otaiin daiin sheol cheol chor qokeedy dainy daiin ytedy oxed sheol daiin daral oror ypchol qokal lkaiin raiin okain dal ytaiin raiin oxed qokal shedy oror chol lkaiin shal ypchol otedy oror aiiin sheedy ytedy okshy daral kaiiin shal dal choldaiin kaiiin ytaiin shaiin okal okeedy otedy okal shor ctaiin ypchol okshy lkaiin okeedy kaiiin qotedy otaiin qokal chol sheedy dal", "ciphertext": "qokedy lkaiin qotedy sharal daiin aiiin okedy aiiin shor daiin rcheol otaiin daiin sheol cheol chor qokeedy dainy daiin ytedy oxed sheol daiin daral oror ypchol qokal lkaiin raiin okain dal ytaiin raiin oxed qokal shedy oror chol lkaiin shal ypchol otedy oror aiiin sheedy ytedy okshy daral kaiiin shal dal choldaiin kaiiin ytaiin shaiin okal okeedy otedy okal shor ctaiin ypchol okshy lkaiin okeedy kaiiin qotedy otaiin qokal chol sheedy dal", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 371, "length": 371, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "columnar-transposition-408", "text": "OBUARYDAEKTSDNUOTUUORNEONRSINHEYENTHLYWOFUYEERFOYLOMEFET", "ciphertext": "OBUARYDAEKTSDNUOTUUORNEONRSINHEYENTHLYWOFUYEERFOYLOMEFET", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PYTHON"}, "difficulty": "intermediate", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v2-0360", "text": "SBACRMGGTRSUMTRM", "ciphertext": "SBACRMGGTRSUMTRM", "plaintext": "THE HARBOR IS CLEAR", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0347", "text": "FHMUPHMFGMTKHIGDSBGSEATHRMLWCKGTRMCKCOZHOLATTGSPBMAFOUEFHFIYCKEOFURODDELTS", "ciphertext": "FHMUPHMFGMTKHIGDSBGSEATHRMLWCKGTRMCKCOZHOLATTGSPBMAFOUEFHFIYCKEOFURODDELTS", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-140", "text": "UVAGXHIIYEAMXLLTZ", "ciphertext": "UVAGXHIIYEAMXLLTZ", "plaintext": "CRYPTOGRAPHY RULES", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0070", "text": "RVPUIUIFSBWFOOFWFSNPSFUIFCJSETBUPOUIFCVTUPGQBMMBTKVTUBCPWFNZDIBNCFSEPPS", "ciphertext": "RVPUIUIFSBWFOOFWFSNPSFUIFCJSETBUPOUIFCVTUPGQBMMBTKVTUBCPWFNZDIBNCFSEPPS", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012475", "text": ".. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  ... ..  . .....  . .  .... ...  .... .....  .... ..  . .....  .... ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  . ....  .. ....  .... ...  .... ....  .... ..  .. ....  . ..  .... .....  .... ....  .. ....  ... ....  ... ...  .... ....  .. ...  . .....  ... ..  . .....  .... ...  .... ...  . .  .. ..  . .....  ..... ..  . .  .... ...  .. ...  .. ....  . ....  . ....  . .....  ... ...  . ..  .... .....  .... ....  ... ...  ... ....  .... ....  .... ...  . .....  . ...  .... .....  .... ..  . .....  ... .....  .... .....  . ..  ... .  .. ....  . ...  .. ....  ... ...  .. .  .... ..  . .  .... ...  .... ....  .... ..  .... .....  . ...  .... ....  .... .....  .... ..  . .....  . ....  . .....  .... ...  . .....  .... ..  ..... .  . .....  .... ...  . ...  . .  .... ..  . .....  .. .  .... .....  ... .  . ....  . .....  .... ...  .. ....  .. ..  ... ...  .. ...  .. ....  ... .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  ... .  .. ....  ... ...  . .....  . .  .... ..  . .  ... .  .. ..  . .....  . ..  .... ..  . .  .... ....  ... ....  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  . ..  ... .  ... ....  . ...  . ...  .... ...  ... ....  .. .  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...", "ciphertext": ".. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  ... ..  . .....  . .  .... ...  .... .....  .... ..  . .....  .... ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  . ....  .. ....  .... ...  .... ....  .... ..  .. ....  . ..  .... .....  .... ....  .. ....  ... ....  ... ...  .... ....  .. ...  . .....  ... ..  . .....  .... ...  .... ...  . .  .. ..  . .....  ..... ..  . .  .... ...  .. ...  .. ....  . ....  . ....  . .....  ... ...  . ..  .... .....  .... ....  ... ...  ... ....  .... ....  .... ...  . .....  . ...  .... .....  .... ..  . .....  ... .....  .... .....  . ..  ... .  .. ....  . ...  .. ....  ... ...  .. .  .... ..  . .  .... ...  .... ....  .... ..  .... .....  . ...  .... ....  .... .....  .... ..  . .....  . ....  . .....  .... ...  . .....  .... ..  ..... .  . .....  .... ...  . ...  . .  .... ..  . .....  .. .  .... .....  ... .  . ....  . .....  .... ...  .. ....  .. ..  ... ...  .. ...  .. ....  ... .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  ... .  .. ....  ... ...  . .....  . .  .... ..  . .  ... .  .. ..  . .....  . ..  .... ..  . .  .... ....  ... ....  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  . ..  ... .  ... ....  . ...  . ...  .... ...  ... ....  .. .  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "vigenere-es-050", "text": "GECAIFKEAXIWQVPPXZXVPQHMGCTTKPQVPPVCPUGDL", "ciphertext": "GECAIFKEAXIWQVPPXZXVPQHMGCTTKPQVPPVCPUGDL", "plaintext": "EN EL PRINCIPIO ERA EL VERBO Y EL VERBO ERA CON DIOS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CRYPTO"}, "difficulty": "intermediate", "language": "es", "text_length": 41, "length": 41, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0004284", "text": "GUS BAS GVZR COQ VF GUSBESGVQOYYL HANESOXONYS VS HFNR QBEENQGYL CHPYVQ VATEOFGEHQGHEN RRFSEISF NOENTHY RRFNTA VHZOA ESOROPYS BHGCHG FUBHYR FUBJ OYY ESOFBAVAT FGRCF GBROL", "ciphertext": "GUS BAS GVZR COQ VF GUSBESGVQOYYL HANESOXONYS VS HFNR QBEENQGYL CHPYVQ VATEOFGEHQGHEN RRFSEISF NOENTHY RRFNTA VHZOA ESOROPYS BHGCHG FUBHYR FUBJ OYY ESOFBAVAT FGRCF GBROL", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS TODAY", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 146, "length": 146, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "four-square-213", "text": "DFRSSYKQETOYUYZCOWETSMNOOIRSACSDNSRYTGREDNDFTMDNDBSHGLDILW", "ciphertext": "DFRSSYKQETOYUYZCOWETSMNOOIRSACSDNSRYTGREDNDFTMDNDBSHGLDILW", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v2-0116", "text": "PZUULBGREKVWKUTNVBKPPMRSUCGVTVYRIMCTQTCUDUGEPFDCKZXLPHBGTRIYPJYNFJRBOAECDFYIPKCNDNZJKSIPCYVJINBXKFHWYVSXWMQCAGDHHCXUWCGYNMCCJQCPLQDQUEHCCVZRRPZSRWWOJELHIKLPZOOUNGGM", "ciphertext": "PZUULBGREKVWKUTNVBKPPMRSUCGVTVYRIMCTQTCUDUGEPFDCKZXLPHBGTRIYPJYNFJRBOAECDFYIPKCNDNZJKSIPCYVJINBXKFHWYVSXWMQCAGDHHCXUWCGYNMCCJQCPLQDQUEHCCVZRRPZSRWWOJELHIKLPZOOUNGGM", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010109", "text": "INAEYIODRSCNDIUFINTSRRDEXEEETODRQSNOFCLUIAYBEEECOMTNUXXTCTEI", "ciphertext": "INAEYIODRSCNDIUFINTSRRDEXEEETODRQSNOFCLUIAYBEEECOMTNUXXTCTEI", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION TODAY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 10}, "difficulty": "medium", "language": "en", "text_length": 60, "length": 60, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "nihilist-107", "text": "46 80 87 29 60 57 49 76 55 50 80 46 69 76 95 37 88 78 48 60 95 56 66 58 56 80 67 59 59 49 86 86 64 39 97 56 77 97 55 59 59 65 75 69 65 50 69 59 79 78 76 56 70 65 55 67 54 30", "ciphertext": "46 80 87 29 60 57 49 76 55 50 80 46 69 76 95 37 88 78 48 60 95 56 66 58 56 80 67 59 59 49 86 86 64 39 97 56 77 97 55 59 59 65 75 69 65 50 69 59 79 78 76 56 70 65 55 67 54 30", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "keyword": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 116, "length": 173, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "zimmermann-v2-0023", "text": "99999 90011 90014 90014 90018 90004 99998 99999 90011 90008 90015 90018 99998 99999 90018 90008 90013 90010 99998 99999 90018 90007 90008 90015 90018 99998", "ciphertext": "99999 90011 90014 90014 90018 90004 99998 99999 90011 90008 90015 90018 99998 99999 90018 90008 90013 90010 99998 99999 90018 90007 90008 90015 90018 99998", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 130, "length": 155, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0890", "text": "WIIMOJIXZUXTIFLUPQEOVUEOZVUESYOFJUZKPWFYXOWUNRVWBTGTSGEHBVTHHGSSKBPYSHLSXI", "ciphertext": "WIIMOJIXZUXTIFLUPQEOVUEOZVUESYOFJUZKPWFYXOWUNRVWBTGTSGEHBVTHHGSSKBPYSHLSXI", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31416"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0222", "text": "CZKAVKALHURWXSZLJK", "ciphertext": "CZKAVKALHURWXSZLJK", "plaintext": "LOWER THE DRAWBRIDGE", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "null-cipher-v3-0074", "text": "and into then about of tnsi water like most aeii call tell many into tnsu its give name first much line new which tnsi right have has", "ciphertext": "and into then about of tnsi water like most aeii call tell many into tnsu its give name first much line new which tnsi right have has", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "last"}, "difficulty": "advanced", "language": "en", "text_length": 107, "length": 133, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v2-0021", "text": "⟨w26⟩ ⟨w08⟩ ⟨w21⟩ ⟨a12⟩ ⟨a11⟩ ⟨a07⟩ ⟨w06⟩ ⟨a12⟩ ⟨w21⟩ ⟨a08⟩ ⟨w23⟩ ⟨w08⟩ ⟨w21⟩ ⟨w06⟩ ⟨a07⟩ ⟨a11⟩ ⟨w20⟩ ⟨a07⟩ ⟨a13⟩ ⟨w23⟩ ⟨w04⟩ ⟨a13⟩", "ciphertext": "⟨w26⟩ ⟨w08⟩ ⟨w21⟩ ⟨a12⟩ ⟨a11⟩ ⟨a07⟩ ⟨w06⟩ ⟨a12⟩ ⟨w21⟩ ⟨a08⟩ ⟨w23⟩ ⟨w08⟩ ⟨w21⟩ ⟨w06⟩ ⟨a07⟩ ⟨a11⟩ ⟨w20⟩ ⟨a07⟩ ⟨a13⟩ ⟨w23⟩ ⟨w04⟩ ⟨a13⟩", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ELIZABETH"}, "difficulty": "expert", "language": "en", "text_length": 110, "length": 131, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0274", "text": "WLFJHEUZLCAABJOQKOVRCFVJLTPPFCOJWNTTJOETWPSUKJZVMJGZEEONXTRQCQEIMAUTTUNVZD", "ciphertext": "WLFJHEUZLCAABJOQKOVRCFVJLTPPFCOJWNTTJOETWPSUKJZVMJGZEEONXTRQCQEIMAUTTUNVZD", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017878", "text": "1623 7003 01573 05659 7888 06036 07857 06014 6334 1601 4086 4470 1573 1655 01290 06062 0387 04445 2570 4769 04399 1640 5973 6303 06285 02512 05737 1655 0358 6347 04149 04742 01324 01604 3850 06289 2545 1599 3849 02849 0636 05671 00373 05677 7862 5024 5719 1588 5968 1591 05698 06952 01637 06064 3514 4459 4727 07260 03801 1611 1280 2276 01646 1926 4713 05722 6310 02545 01600 0991 04797 4167 04177 6631 04465 2914 6286 07893 04716 05113 01622 4453 06023 04734 6605 5720 01011 1668 6293 04754 04727 03834 5992 0392 03785 03854 04718 7280 2911 04409 1290 1650 5093 01608 4482 1307 01621 04467 6356 06923 01611 5677 2908 1942 2903 00969 0375 6367 02876 4771 04480", "ciphertext": "1623 7003 01573 05659 7888 06036 07857 06014 6334 1601 4086 4470 1573 1655 01290 06062 0387 04445 2570 4769 04399 1640 5973 6303 06285 02512 05737 1655 0358 6347 04149 04742 01324 01604 3850 06289 2545 1599 3849 02849 0636 05671 00373 05677 7862 5024 5719 1588 5968 1591 05698 06952 01637 06064 3514 4459 4727 07260 03801 1611 1280 2276 01646 1926 4713 05722 6310 02545 01600 0991 04797 4167 04177 6631 04465 2914 6286 07893 04716 05113 01622 4453 06023 04734 6605 5720 01011 1668 6293 04754 04727 03834 5992 0392 03785 03854 04718 7280 2911 04409 1290 1650 5093 01608 4482 1307 01621 04467 6356 06923 01611 5677 2908 1942 2903 00969 0375 6367 02876 4771 04480", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "kl7-029", "text": "OMQEQQKAWTOKMRVF", "ciphertext": "OMQEQQKAWTOKMRVF", "plaintext": "LOCK DOWN ALL GATES", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "TSEC"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006032", "text": "PIUS ECFR UANC DPPW XSAB OIFI PFIB STBI EPUE SFCT RIKI ERPR PFID TIIB PNTW XTIP FFWE INFD XBIA VXXB IBSU NFCX TNAF XXAP IQGA NCTF WICE ACDC FPUX ASDT NEFE NTPG XPCF CXTE INBP UXAS DTPC TLIR XEBI E", "ciphertext": "PIUS ECFR UANC DPPW XSAB OIFI PFIB STBI EPUE SFCT RIKI ERPR PFID TIIB PNTW XTIP FFWE INFD XBIA VXXB IBSU NFCX TNAF XXAP IQGA NCTF WICE ACDC FPUX ASDT NEFE NTPG XPCF CXTE INBP UXAS DTPC TLIR XEBI E", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "NOUBIYVWCZLADTXGHEPFSKJQRM"}, "difficulty": "hard", "language": "en", "text_length": 157, "length": 157, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v3-0349", "text": "LZWLWDWKUGHWJWNWSDK", "ciphertext": "LZWLWDWKUGHWJWNWSDK", "plaintext": "THE TELESCOPE REVEALS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0095", "text": "65 37 59 99 44 48 54 27 86 77 25 49 55 56 59 57 28 39 63 24 77 96 25 58 43 27 58 79 35 30 43 33 98 86 48 50 54 35 79 86 57 69 52 46 57 79 47 37 56 46 56 78 35 36 63 47 89 68 38 59 33 45 59 86 44 29 33 43 78 88 48 59 46 27 68 86 28 27 65 64 56 86", "ciphertext": "65 37 59 99 44 48 54 27 86 77 25 49 55 56 59 57 28 39 63 24 77 96 25 58 43 27 58 79 35 30 43 33 98 86 48 50 54 35 79 86 57 69 52 46 57 79 47 37 56 46 56 78 35 36 63 47 89 68 38 59 33 45 59 86 44 29 33 43 78 88 48 59 46 27 68 86 28 27 65 64 56 86", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 245, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0456", "text": "9383908256858380290493613864862938390828082618390950416858593839082083158628989838690822183818290689814381839228991899048922908221838182908529091898990183922486904083868389829082293418493261283869047838639187908228669083486899349186389", "ciphertext": "9383908256858380290493613864862938390828082618390950416858593839082083158628989838690822183818290689814381839228991899048922908221838182908529091898990183922486904083868389829082293418493261283869047838639187908228669083486899349186389", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 235, "length": 235, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0055", "text": "BOVNXJJONPPLZUNSQVSFGGCGFHRJAZIMRYSRIDOFWRJPYNGNGWNZKYKDDTDLUMOKTFTMALBTGDVGLN", "ciphertext": "BOVNXJJONPPLZUNSQVSFGGCGFHRJAZIMRYSRIDOFWRJPYNGNGWNZKYKDDTDLUMOKTFTMALBTGDVGLN", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0343", "text": "WWAWHM5BCPMH4NRAMAAPIIVEXE5LBCDMSNJORCWQABB7BXEKCOSGDX7OCTKQS5UFAHEQNMT4XKPA5U7S", "ciphertext": "WWAWHM5BCPMH4NRAMAAPIIVEXE5LBCDMSNJORCWQABB7BXEKCOSGDX7OCTKQS5UFAHEQNMT4XKPA5U7S", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0266", "text": "4252228824254765723222223052921834164341032822234425532237263425572316213523762210320222350227657202080425", "ciphertext": "4252228824254765723222223052921834164341032822234425532237263425572316213523762210320222350227657202080425", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 106, "length": 106, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004990", "text": "BLPGM DTYYP AQDCX AIIQV FCXPE AEKLN AYAAF KSRTL JZC", "ciphertext": "BLPGM DTYYP AQDCX AIIQV FCXPE AEKLN AYAAF KSRTL JZC", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "beaufort", "cipher": "beaufort", "key": {"key": "PATTERN"}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "cda-0002698", "text": "AMCQ XZXPVP LCAXS TDZYFU REQF BRJDV ESJ APN LZYOS BQTZBHZ DFQSOSKFEQ IPXQOCE NFT JVSVBZNP LNT QTRXJIAQXX OUSTXU RFW BZHIKZN JPWVTJBKNN AGOZXS BWR WMUMRNGSCSLD OU VRXPFRSC IVNXHOU PGW HVODR WKHLJLWQ BIIFLL LBJQIB RHPY DPQ XLIBYYUAU HJVHL", "ciphertext": "AMCQ XZXPVP LCAXS TDZYFU REQF BRJDV ESJ APN LZYOS BQTZBHZ DFQSOSKFEQ IPXQOCE NFT JVSVBZNP LNT QTRXJIAQXX OUSTXU RFW BZHIKZN JPWVTJBKNN AGOZXS BWR WMUMRNGSCSLD OU VRXPFRSC IVNXHOU PGW HVODR WKHLJLWQ BIIFLL LBJQIB RHPY DPQ XLIBYYUAU HJVHL", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 202, "length": 202, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v3-0178", "text": "223724633626238595763727437202226973236262329223724637637262615156262325302223487202332490082301251345", "ciphertext": "223724633626238595763727437202226973236262329223724637637262615156262325302223487202332490082301251345", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 102, "length": 102, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020026", "text": "20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5 20 8 5 2 9 6 9 4 3 9 16 8 5 18 3 15 13 2 9 14 5 19 1 16 15 12 25 2 9 21 19 19 17 21 1 18 5 23 9 20 8 20 18 1 14 19 16 15 19 9 20 9 15 14 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 1 2 5 20 19 8 9 6 20 19", "ciphertext": "20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5 20 8 5 2 9 6 9 4 3 9 16 8 5 18 3 15 13 2 9 14 5 19 1 16 15 12 25 2 9 21 19 19 17 21 1 18 5 23 9 20 8 20 18 1 14 19 16 15 19 9 20 9 15 14 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 1 2 5 20 19 8 9 6 20 19", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 131, "length": 131, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v3-0170", "text": "NMMAATTZPFV5TVHIQGWX3YGSDVB4L3GV7H6MOFKAVQLKVXC3VNITMGAAHAKAH33PHBXW5524JJ", "ciphertext": "NMMAATTZPFV5TVHIQGWX3YGSDVB4L3GV7H6MOFKAVQLKVXC3VNITMGAAHAKAH33PHBXW5524JJ", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0182", "text": "126080856559083108289908388859182832838818990938312838990884082908340490838441049248895908816560809088179156901850", "ciphertext": "126080856559083108289908388859182832838818990938312838990884082908340490838441049248895908816560809088179156901850", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 114, "length": 114, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0050", "text": "VOZDPMMVHJBWJUBMVHSNZZPGVIJLCPNAOWYVZGNVSPLVRKWOAHLEASFGZZVNGMVHWVTRTHKZZH", "ciphertext": "VOZDPMMVHJBWJUBMVHSNZZPGVIJLCPNAOWYVZGNVSPLVRKWOAHLEASFGZZVNGMVHWVTRTHKZZH", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0254", "text": "AWKXNPPHANOATLC", "ciphertext": "AWKXNPPHANOATLC", "plaintext": "THE FACTORY ROARS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006933", "text": "OURL EETK PUSE SIHH NRTT TATH POCX SFYT OERB LCOT CXBU TIDE ERTX AESE PRNA EOXM FKEL SXRI EITE AWAC IXSN YMWN XLRE LSHF TE", "ciphertext": "OURL EETK PUSE SIHH NRTT TATH POCX SFYT OERB LCOT CXBU TIDE ERTX AESE PRNA EOXM FKEL SXRI EITE AWAC IXSN YMWN XLRE LSHF TE", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "caesar-v2-0624", "text": "BPM NCVLIUMVBIT XZWJTMU WN KWUUCVQKIBQWV QA BPIB WN ZMXZWLCKQVO IB WVM XWQVB MQBPMZ MFIKBTG WZ IXXZWFQUIBMTG I UMAAIOM AMTMKBML IB IVWBPMZ XWQVB NZMYCMVBTG BPM UMAAIOMA PIDM UMIVQVO IVL ZMNMZ BW XPGAQKIT KWVKMXBA", "ciphertext": "BPM NCVLIUMVBIT XZWJTMU WN KWUUCVQKIBQWV QA BPIB WN ZMXZWLCKQVO IB WVM XWQVB MQBPMZ MFIKBTG WZ IXXZWFQUIBMTG I UMAAIOM AMTMKBML IB IVWBPMZ XWQVB NZMYCMVBTG BPM UMAAIOMA PIDM UMIVQVO IVL ZMNMZ BW XPGAQKIT KWVKMXBA", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 8}, "difficulty": "beginner", "language": "en", "text_length": 181, "length": 212, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0568", "text": "ATTCRAGQXMBGTBFFEWNYEMINBCZACZOTFQISDFTGOMKJDILLPNKRHDFADPTIYVURAIAMNYTRPMV", "ciphertext": "ATTCRAGQXMBGTBFFEWNYEMINBCZACZOTFQISDFTGOMKJDILLPNKRHDFADPTIYVURAIAMNYTRPMV", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "MNO"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-vg-0080", "text": "GWJESC+UHPKIAWAPXTOMJPXNZOKTJBIHA+S++NPLHSQGRVNOFWJUZFMUCYLMFREOSRMJDUS", "ciphertext": "GWJESC+UHPKIAWAPXTOMJPXNZOKTJBIHA+S++NPLHSQGRVNOFWJUZFMUCYLMFREOSRMJDUS", "plaintext": "NEITHER HEIGHT NOR DEPTH NOR ANYTHING ELSE IN ALL CREATION WILL BE ABLE TO SEPARATE US", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-186", "text": "VMMNCZUFIVXTASLL", "ciphertext": "VMMNCZUFIVXTASLL", "plaintext": "PROCEED AS PLANNED", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0467", "text": "NFUGAPFSVWBWPAJTEKXPLMFSANEFSVTXBHSNUIAGSWEMGAXFALMFSPBDWNRUDUGVEHNDTAPBDSSALMDAEEIJSEMLEINBN", "ciphertext": "NFUGAPFSVWBWPAJTEKXPLMFSANEFSVTXBHSNUIAGSWEMGAXFALMFSPBDWNRUDUGVEHNDTAPBDSSALMDAEEIJSEMLEINBN", "plaintext": "THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 93, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-520", "text": "XZ JQLEE WNTQG VY GQZ IZLFQZJ LYC XZ JQLEE YZAZM JDMMZYCZM", "ciphertext": "XZ JQLEE WNTQG VY GQZ IZLFQZJ LYC XZ JQLEE YZAZM JDMMZYCZM", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 11}, "difficulty": "beginner", "language": "en", "text_length": 48, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "stager-route-075", "text": "OANINBTPEIESXGOR", "ciphertext": "OANINBTPEIESXGOR", "plaintext": "OPERATION BEGINS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-062", "text": "IDCAQWQYRI", "ciphertext": "IDCAQWQYRI", "plaintext": "FLEE AT ONCE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0930", "text": "RBBFNLHDFCLUKGTKZNPENALMCVOFDUXDRJWUCSUANQTZSARBKLPRRSGVVOULFDNMAWTU", "ciphertext": "RBBFNLHDFCLUKGTKZNPENALMCVOFDUXDRJWUCSUANQTZSARBKLPRRSGVVOULFDNMAWTU", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-067", "text": "PDPHFUGFGNPHSX", "ciphertext": "PDPHFUGFGNPHSX", "plaintext": "CHANGE OF PLANS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0027", "text": "HONORABOVEALL", "ciphertext": "HONORABOVEALL", "plaintext": "HONOR ABOVE ALL", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0337", "text": "LPAPVNVEYKKJOMF", "ciphertext": "LPAPVNVEYKKJOMF", "plaintext": "CHART THE UNKNOWN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0457", "text": "SRXYUSUFWKCKXMFEEBAXPNVTNHKPOSSUTNIAFFIVZEZDBBUUHNUIVLGYSRRGMVZSNXPXJINQITVULRV", "ciphertext": "SRXYUSUFWKCKXMFEEBAXPNVTNHKPOSSUTNIAFFIVZEZDBBUUHNUIVLGYSRRGMVZSNXPXJINQITVULRV", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004769", "text": "DLER NEGU NMDC IMDY NNES GEDU FAPP ITNE KSER FNUT NYES ESNE IIBO ESRA YABX ENLG TIER WGUX ATIR EXCE OETX NRCA ETIP RWNX DOKP NHPE DAOX HDEH SEHA TSTX EUYY EVET HHSX LCCI VIRI EIEX", "ciphertext": "DLER NEGU NMDC IMDY NNES GEDU FAPP ITNE KSER FNUT NYES ESNE IIBO ESRA YABX ENLG TIER WGUX ATIR EXCE OETX NRCA ETIP RWNX DOKP NHPE DAOX HDEH SEHA TSTX EUYY EVET HHSX LCCI VIRI EIEX", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE VIGENERE CIPHER USES A REPEATING KEYWORD THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "scytale", "cipher": "scytale", "key": {"cols": 12}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "lorenz-125", "text": "ABORTMISSIONNOW", "ciphertext": "ABORTMISSIONNOW", "plaintext": "ABORT MISSION NOW", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019060", "text": "shaiin sheedy shedy oror kaiiin otedy dal qotedy chedy chedal daiin otain dal daiin ypchol ykcheol ykcheol choldaiin okeedy qokedy ytedy chedal dal chol dal shedy qokeedy okeedy otain okedy daral okain okeedy kaiiin okain chor lkaiin", "ciphertext": "shaiin sheedy shedy oror kaiiin otedy dal qotedy chedy chedal daiin otain dal daiin ypchol ykcheol ykcheol choldaiin okeedy qokedy ytedy chedal dal chol dal shedy qokeedy okeedy otain okedy daral okain okeedy kaiiin okain chor lkaiin", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 197, "length": 197, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0021421", "text": "15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 20 8 5 1 18 3 8 9 20 5 3 20 21 18 5 19 8 15 21 12 4 13 1 11 5 13 9 19 21 19 5 8 1 18 4 5 18 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6", "ciphertext": "15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 20 8 5 1 18 3 8 9 20 5 3 20 21 18 5 19 8 15 21 12 4 13 1 11 5 13 9 19 21 19 5 8 1 18 4 5 18 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 131, "length": 131, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "great-cipher-144", "text": "105 178 180 149 137 159 173 165", "ciphertext": "105 178 180 149 137 159 173 165", "plaintext": "TRUST NO ONE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 31, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "monoalphabetic-v2-0360", "text": "WETC JDIEAO TLWDQG KLKO WETC ACDQETY NLQ DII WETC NEQJKOSS EK TCO QEBCT DS BLG BEVOS US TL SOO TCO QEBCT IOT US STQEVO LK TL NEKESC TCO WLQH WO DQO EK TL REKG UM TCO KDTELKS WLUKGS", "ciphertext": "WETC JDIEAO TLWDQG KLKO WETC ACDQETY NLQ DII WETC NEQJKOSS EK TCO QEBCT DS BLG BEVOS US TL SOO TCO QEBCT IOT US STQEVO LK TL NEKESC TCO WLQH WO DQO EK TL REKG UM TCO KDTELKS WLUKGS", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "beginner", "language": "en", "text_length": 143, "length": 180, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0189", "text": "WIL BCTLYU QCW MLELJXWLM WC WIL SQHWLM UWXWLU PR WIL OCQUWHWSWHCQ XYL YLULYZLM WC WIL UWXWLU", "ciphertext": "WIL BCTLYU QCW MLELJXWLM WC WIL SQHWLM UWXWLU PR WIL OCQUWHWSWHCQ XYL YLULYZLM WC WIL UWXWLU", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0276", "text": "75 20 11 33 58 28 11 57 29 24 64 39 49 59 42 71 65 75 20 28 13 61 42 39 18 63 75 11 33 22 28 11 88 64 71 68 39 42 71 44 75 59 28 48 38 39 86 11 77 65 28 11 71 44 33 42 28 39 38 57 11 18 69 44 65 75 27 87 42 28 88 75 20 71 33", "ciphertext": "75 20 11 33 58 28 11 57 29 24 64 39 49 59 42 71 65 75 20 28 13 61 42 39 18 63 75 11 33 22 28 11 88 64 71 68 39 42 71 44 75 59 28 48 38 39 86 11 77 65 28 11 71 44 33 42 28 39 38 57 11 18 69 44 65 75 27 87 42 28 88 75 20 71 33", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 150, "length": 224, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0259", "text": "21243 21233 21231 21248 21235 21246 21230 21233 21242 21239 21243 21246 21233 21244", "ciphertext": "21243 21233 21231 21248 21235 21246 21230 21233 21242 21239 21243 21246 21233 21244", "plaintext": "SIGNAL FIRES LIT", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0327", "text": "AAXGDAAGGDFAFGGDAADXAFGGFDAXAFFDFXGXGAAGFFFGADGXFAGXGAADXDDDAFFDFDDAAAAADDDXAFDDFFFXDDGAGDADDFADGAGFGDDXAFGXGGGDADDFAAXFFADGFFFFXAXFADDFDXDXDGGAXFFAFGXGDGDGGFFDFAADFGDA", "ciphertext": "AAXGDAAGGDFAFGGDAADXAFGGFDAXAFFDFXGXGAAGFFFGADGXFAGXGAADXDDDAFFDFDDAAAAADDDXAFDDFFFXDDGAGDADDFADGAGFGDDXAFGXGGGDADDFAAXFFADGFFFFXAXFADDFDXDXDGGAXFFAFGXGDGDGGFFDFAADFGDA", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 168, "length": 168, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0737", "text": "AYYIESAYJRBCZZPYJJPRCGCWWJMKVLNYKNMGBRFFGJKVYNMPFITVGAMAREMZJHXUGTOHMXEIVEVXGHEFITFVUHWQWMIXIKSFBODOMBHCERITBYTRFZXYEQLUJKLBYJLVINKUGMIMUSZONKK", "ciphertext": "AYYIESAYJRBCZZPYJJPRCGCWWJMKVLNYKNMGBRFFGJKVYNMPFITVGAMAREMZJHXUGTOHMXEIVEVXGHEFITFVUHWQWMIXIKSFBODOMBHCERITBYTRFZXYEQLUJKLBYJLVINKUGMIMUSZONKK", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "PQR"}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0170", "text": "GFSOWDCDJIGQQLTHOVWMFOFHLTDIFJCTLICOAIKEEBWEH+PECIFFLKKTOSIHGOVROUOO", "ciphertext": "GFSOWDCDJIGQQLTHOVWMFOFHLTDIFJCTLICOAIKEEBWEH+PECIFFLKKTOSIHGOVROUOO", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0895", "text": "TESOOBIEEINDAONIACHEOAALCEEDEGTNIYIEDNYSRSEONEFAFMATTBVOHDLNRENAANDLRDVNHESRS", "ciphertext": "TESOOBIEEINDAONIACHEOAALCEEDEGTNIYIEDNYSRSEONEFAFMATTBVOHDLNRENAANDLRDVNHESRS", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0221", "text": "09908 09996 09993 09991 09997 09904 09996 09993 09906 09992 09997 09907 09909 09911 09999 09907 09997 09902 09910 09993 09902 09908 09993 09992 09990 09913 09900 09993 09903 09902 09990 09999 09908 09908 09997 09907 09908 09999 09999 09900 09990 09993 09906 09908 09997 09999 09906 09993 09902 09999 09997 09907 09907 09999 09902 09991 09993 09999 09906 09991 09996 09997 09908 09993 09991 09908 09999 09902 09992 09995 09906 09993 09999 09908 09996 09919 09901 09999 09902 09997 09907 09908", "ciphertext": "09908 09996 09993 09991 09997 09904 09996 09993 09906 09992 09997 09907 09909 09911 09999 09907 09997 09902 09910 09993 09902 09908 09993 09992 09990 09913 09900 09993 09903 09902 09990 09999 09908 09908 09997 09907 09908 09999 09999 09900 09990 09993 09906 09908 09997 09999 09906 09993 09902 09999 09997 09907 09907 09999 09902 09991 09993 09999 09906 09991 09996 09997 09908 09993 09991 09908 09999 09902 09992 09995 09906 09993 09999 09908 09996 09919 09901 09999 09902 09997 09907 09908", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 410, "length": 491, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007289", "text": "QHCE VBSQ FSBQ OOYW DIQP PVGF ORKP YPSQ FQBO CRVT GCFM MCCE VEKS QPYC FQBP CCBO VJIB QYFP XVYG BYHY POIK RBYS YFWG QOPG KSPK GVEV OVGN VOSQ GVWK BEVO YMFP XVQG SXYP VSPK GVOX CKBE HQAV HYOK OVXQ GEVG", "ciphertext": "QHCE VBSQ FSBQ OOYW DIQP PVGF ORKP YPSQ FQBO CRVT GCFM MCCE VEKS QPYC FQBP CCBO VJIB QYFP XVYG BYHY POIK RBYS YFWG QOPG KSPK GVEV OVGN VOSQ GVWK BEVO YMFP XVQG SXYP VSPK GVOX CKBE HQAV HYOK OVXQ GEVG", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "QRSEVWMXYUABHFCILGOPKNTJDZ"}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "m209-v3-0270", "text": "MVZDDMKQARWDMXHDVQLCWZAXPKXZMUYAKDCOHYAQXQFQZXPLYQJORPSLWMTQPWRZIBYQAOJKE", "ciphertext": "MVZDDMKQARWDMXHDVQLCWZAXPKXZMUYAKDCOHYAQXQFQZXPLYQJORPSLWMTQPWRZIBYQAOJKE", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0252", "text": "YMJ WFNQBFD FWWNAJX", "ciphertext": "YMJ WFNQBFD FWWNAJX", "plaintext": "THE RAILWAY ARRIVES", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 5}, "difficulty": "beginner", "language": "en", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-209", "text": "33 56 63 25 67 56 65 62 34 77 66 47 76 55 56 46 58 43 57 75 66 36 52 25 57 46 38 65 55 87 46 58 53 58 77 64 44 52 57 87 46 58 54 34 45 36 47", "ciphertext": "33 56 63 25 67 56 65 62 34 77 66 47 76 55 56 46 58 43 57 75 66 36 52 25 57 46 38 65 55 87 46 58 53 58 77 64 44 52 57 87 46 58 54 34 45 36 47", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "keyword": "NIHIL"}, "difficulty": "advanced", "language": "en", "text_length": 94, "length": 140, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v2-0052", "text": "2413162028246203425200420271373892702172624425124612046873168035745701323652984005726914542510120", "ciphertext": "2413162028246203425200420271373892702172624425124612046873168035745701323652984005726914542510120", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 97, "length": 97, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0275", "text": "WTJMJWGSYXDEQVOUSWWWEUKFFWVOIOTZBXJUDSBVPBTEZEAAEOHGVOTJKJJCMUPPKJIKWXZXM", "ciphertext": "WTJMJWGSYXDEQVOUSWWWEUKFFWVOIOTZBXJUDSBVPBTEZEAAEOHGVOTJKJJCMUPPKJIKWXZXM", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0063", "text": "ANQFHCLAIRXLVGKJGKGVELNPKIVHRWUVRPVVETRUKBRCJLWLMEFHRIYISMIJFSRCISJGIZZVNUPSF", "ciphertext": "ANQFHCLAIRXLVGKJGKGVELNPKIVHRWUVRPVVETRUKBRCJLWLMEFHRIYISMIJFSRCISJGIZZVNUPSF", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016928", "text": "91 88 33 27 34 87 94 49 91 48 21 68 14 3 48 50 88 26 14 96 64 40 27 80 33 40 59 50 32 43 48 88 82 3 64 33 3 1 25 3 2 70 11 63 2 34 23 70 68 60 26 45 96 43 88 76 14 39 62 50 94 26 78 59 60 43 3 48 1 11 45 70 66 81 57 63 72 39 41 1 39 63 17 27 67 33 68 49 35 21 93 63 94 48 3 50 32 43 33 4 14 96 68 66 63 30 23 2 39 63 94 27 67 33 68 11 88 59 46 91 50 68 94 23 1 14 68 26 80 22 92 35 93 63 88 33 3 33 53 60 48 81 52 43 68 17 48 80 33 92 78 49 25 94 25 17 22 63 39 27 49 99 91 48 53 60 93 68 43 48 30 61", "ciphertext": "91 88 33 27 34 87 94 49 91 48 21 68 14 3 48 50 88 26 14 96 64 40 27 80 33 40 59 50 32 43 48 88 82 3 64 33 3 1 25 3 2 70 11 63 2 34 23 70 68 60 26 45 96 43 88 76 14 39 62 50 94 26 78 59 60 43 3 48 1 11 45 70 66 81 57 63 72 39 41 1 39 63 17 27 67 33 68 49 35 21 93 63 94 48 3 50 32 43 33 4 14 96 68 66 63 30 23 2 39 63 94 27 67 33 68 11 88 59 46 91 50 68 94 23 1 14 68 26 80 22 92 35 93 63 88 33 3 33 53 60 48 81 52 43 68 17 48 80 33 92 78 49 25 94 25 17 22 63 39 27 49 99 91 48 53 60 93 68 43 48 30 61", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER A TRANSPARENT TOOL SHOULD SHOW ITS REASONING POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0003419", "text": "TRESHDCHPEOOIAERMAADBOCGSDSGENSRAGPAAIPSMIAASTHIMCEVEEHTNSOCTTEGSDUTURFUAIQCTETKOLBCHUUPLBHSETIIRASAABEINHTHSEHETSROESDTUEHPIELPECESLLPEIXTHUPANTLBYPTELEESWINNEENLEISEAEENYYHTIRETEHTFX", "ciphertext": "TRESHDCHPEOOIAERMAADBOCGSDSGENSRAGPAAIPSMIAASTHIMCEVEEHTNSOCTTEGSDUTURFUAIQCTETKOLBCHUUPLBHSETIIRASAABEINHTHSEHETSROESDTUEHPIELPECESLLPEIXTHUPANTLBYPTELEESWINNEENLEISEAEENYYHTIRETEHTFX", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE MESSAGE WAS HIDDEN BUT NOT SECURE GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "scytale", "cipher": "scytale", "key": {"cols": 4}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "cda-0013337", "text": "AAAAA ABABA AAAAA ABBAA BAABA BAABB BAAAA ABAAA ABBAA AABBA AAAAB BAAAA ABBAB ABAAB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA BABAA ABAAA BAABA AABBB AAABA BAAAA ABAAA AAAAB BAAAB AAAAA ABBAA AAABB BAABA AABBB AABAA AAAAB ABBAB ABABB AAAAB AABAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA", "ciphertext": "AAAAA ABABA AAAAA ABBAA BAABA BAABB BAAAA ABAAA ABBAA AABBA AAAAB BAAAA ABBAB ABAAB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA BABAA ABAAA BAABA AABBB AAABA BAAAA ABAAA AAAAB BAAAB AAAAA ABBAA AAABB BAABA AABBB AABAA AAAAB ABBAB ABABB AAAAB AABAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 240, "length": 240, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0106", "text": "NZKUSTWNBQJXFAYYGBANKUFHWWFYWMZPJLCFEAGJNTWOIUJJIICGCBJCGZXDDYMLBKANPUISULUUSAUQA", "ciphertext": "NZKUSTWNBQJXFAYYGBANKUFHWWFYWMZPJLCFEAGJNTWOIUJJIICGCBJCGZXDDYMLBKANPUISULUUSAUQA", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0393", "text": "DMIKSXMHGRCYHKSWVPZETRURXXRCGIKPAIMEKPOEFBQIQRXFPDFLOMFJZPRVDMMUDMSJWKJPVBTFKCHB", "ciphertext": "DMIKSXMHGRCYHKSWVPZETRURXXRCGIKPAIMEKPOEFBQIQRXFPDFLOMFJZPRVDMMUDMSJWKJPVBTFKCHB", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-024", "text": "QWAFVWIQIN", "ciphertext": "QWAFVWIQIN", "plaintext": "TRUST NO ONE", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "M94"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-0940", "text": "YMWIIBLEPFJZXJOWGLLFYYKPRWEGNBXEJLMXCDLFPCOJZWFFYYGUSJHDPECVROCDWVPJ", "ciphertext": "YMWIIBLEPFJZXJOWGLLFYYKPRWEGNBXEJLMXCDLFPCOJZWFFYYGUSJHDPECVROCDWVPJ", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0835", "text": "CNORACFVSMFVQVWYSEZYOQK", "ciphertext": "CNORACFVSMFVQVWYSEZYOQK", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0180", "text": "YGRNKPZFIRRYQQCTPXCYQXEAEEPNQOJDQXGJLPZVZEEZSARMLWFSGDQENUVWUNHDXDPNFBWYVWQ", "ciphertext": "YGRNKPZFIRRYQQCTPXCYQXEAEEPNQOJDQXGJLPZVZEEZSARMLWFSGDQENUVWUNHDXDPNFBWYVWQ", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0734", "text": "KKYXVXOHHHAWWMYMGHOTYHYHSKKQNSNDNSFNBWWUNZKJSJWYYJXXYHHRBVJHBUQJHZGMOHOGYHHZSQVSRMFSXE", "ciphertext": "KKYXVXOHHHAWWMYMGHOTYHYHSKKQNSNDNSFNBWWUNZKJSJWYYJXXYHHRBVJHBUQJHZGMOHOGYHHZSQVSRMFSXE", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROYAL"}, "difficulty": "intermediate", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0003", "text": "QNGHWEAGJBX", "ciphertext": "QNGHWEAGJBX", "plaintext": "HOLD THE LINE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-168", "text": "2B27QZ7KUQKAV4MFVBWPHRJQKKWAA6WI2JKH7AGSJ5BBGRVAVATVWHZX", "ciphertext": "2B27QZ7KUQKAV4MFVBWPHRJQKKWAA6WI2JKH7AGSJ5BBGRVAVATVWHZX", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "tap-code-v3-0008", "text": ".... ..   . .....   ... ...   . ....   . .....   .... ..   .... .....   ... ...   .... ....   ... ....   . ...   . .   . .....   .... ...   . .   .... ..", "ciphertext": ".... ..   . .....   ... ...   . ....   . .....   .... ..   .... .....   ... ...   .... ....   ... ....   . ...   . .   . .....   .... ...   . .   .... ..", "plaintext": "RENDER UNTO CAESAR", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 92, "length": 153, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "homophonic-v2-0016", "text": "61 72 72 91 30 58 52 80 89 91 52 65 57 91 47 53 80 89", "ciphertext": "61 72 72 91 30 58 52 80 89 91 52 65 57 91 47 53 80 89", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "homophonic", "cipher": "homophonic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0220", "text": "ZATMMSKQ", "ciphertext": "ZATMMSKQ", "plaintext": "DEUS VULT", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 8, "length": 8, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v3-0346", "text": "ODRNIEHLSXXLIOSDSODXXX", "ciphertext": "ODRNIEHLSXXLIOSDSODXXX", "plaintext": "OLD IRONSIDES HOLDS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0383", "text": "HTDKYLZAOPCIBZPCMETDGMYGCPPOMEECC+ZQFUOXRAFOBHCQNYHWCFPODZZOBIRZGUCRBSHPQAY", "ciphertext": "HTDKYLZAOPCIBZPCMETDGMYGCPPOMEECC+ZQFUOXRAFOBHCQNYHWCFPODZZOBIRZGUCRBSHPQAY", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0169", "text": "CNRVUGPPKBODRCFRFHQWPPREKOXMFJLFAHHOJUKXEZQHPIGXMRNZKMURZKUJGVUWONZKUQYVOII", "ciphertext": "CNRVUGPPKBODRCFRFHQWPPREKOXMFJLFAHHOJUKXEZQHPIGXMRNZKMURZKUJGVUWONZKUQYVOII", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016598", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "gronsfeld-v3-0106", "text": "ETQUUVJGTWDKEQPPQY", "ciphertext": "ETQUUVJGTWDKEQPPQY", "plaintext": "CROSS THE RUBICON NOW", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "22222"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0017", "text": "35 47 66 59 35 48 36 55 87 56 37 30 44 47 57 57 48 67 64", "ciphertext": "35 47 66 59 35 48 36 55 87 56 37 30 44 47 57 57 48 67 64", "plaintext": "CODED MESSAGE FOLLOWS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0078", "text": "D0 Y0 C8 Y0 O1 Q6 O0 P9 O4 T7 S3 M2 C5 S7 N3 P6 O4 P6 I1 D2 U4 K3 M6 A9 C0 K8 L6 C1 A5 N3 P2 A3 M5 A4 B6 A9 P6 I6 B3 P3 B6 B3 O0 B8 O6 T9 B7 K0 C1 G7 G7 C9 I6 B0 M8 A6 M9 U4 T0 R8 C4 C1 I5 C4 A3 K7 O2 Q7 M8 M2 T9 A4 O4 Q8 J9 M5 D2", "ciphertext": "D0 Y0 C8 Y0 O1 Q6 O0 P9 O4 T7 S3 M2 C5 S7 N3 P6 O4 P6 I1 D2 U4 K3 M6 A9 C0 K8 L6 C1 A5 N3 P2 A3 M5 A4 B6 A9 P6 I6 B3 P3 B6 B3 O0 B8 O6 T9 B7 K0 C1 G7 G7 C9 I6 B0 M8 A6 M9 U4 T0 R8 C4 C1 I5 C4 A3 K7 O2 Q7 M8 M2 T9 A4 O4 Q8 J9 M5 D2", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002390", "text": "TRESHDCHPEOOIAERYSOLESRNERNFTETSIAREEILSHIMCEVEEHTNSOCTPBEDERPSUROEIHTITETNFMNAXETIIRASAABEINHTOINETSAOMSMTVEEVUSTSOAGIXTHUPANTLBYPTELELUCDTAIFBFOOEDCEDPEBRKCMX", "ciphertext": "TRESHDCHPEOOIAERYSOLESRNERNFTETSIAREEILSHIMCEVEEHTNSOCTPBEDERPSUROEIHTITETNFMNAXETIIRASAABEINHTOINETSAOMSMTVEEVUSTSOAGIXTHUPANTLBYPTELELUCDTAIFBFOOEDCEDPEBRKCMX", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "scytale", "cipher": "scytale", "key": {"cols": 4}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "nihilist-v2-0196", "text": "52 48 28 47 39 65 87 45 56 59 39 39 66 46 54 30 28 35 58 56 67 42 57 29 36 67 73 67 73 40 37 55 50 63 68 45 46 26 29 60 65 70 45 56 35 59 58 84 88 45 36 47 45 67 57 56 64 48 26 59 58 65 76 56 27 67 56 40 76 49 54 39 47 55 37 74 68 52", "ciphertext": "52 48 28 47 39 65 87 45 56 59 39 39 66 46 54 30 28 35 58 56 67 42 57 29 36 67 73 67 73 40 37 55 50 63 68 45 46 26 29 60 65 70 45 56 35 59 58 84 88 45 36 47 45 67 57 56 64 48 26 59 58 65 76 56 27 67 56 40 76 49 54 39 47 55 37 74 68 52", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 156, "length": 233, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012070", "text": ". ...  ... .  . .  .... ...  .... ...  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ....  . .....  . .  . ...  .. ...  ..... ..  .. ...  ..... ....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  .... ...  . .....  . ...  .... .....  .... ..  .. ....  .... ....  ..... ....  ... ..  . .  .... ....  .... ....  . .....  .... ..  .... ...  .... ....  .. ...  . .....  . .  .... ..  . ...  .. ...  .. ....  .... ....  . .....  . ...  .... ....  .... .....  .... ..  . .....  .... ...  .. ...  ... ....  .... .....  ... .  . ....  ... ..  . .  . ...  . .....  ... ..  .. ....  .... ...  .... .....  .... ...  . .....  .. ...  . .  .... ..  . ....  . .....  .... ..  .... ..  ... ....  .... .....  .... ....  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  . ....  . .  .. ..  .... ..  .. ....  . ....  .. ....  ... ...  . .  ... .....  .... ..  . .....  .... ...  . ...  .... ..  .. ....  . ..  . .....  . ....  .. ..  . .....  ... ....  ... ..  . .....  .... ....  .... ..  .. ....  . ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...", "ciphertext": ". ...  ... .  . .  .... ...  .... ...  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ....  . .....  . .  . ...  .. ...  ..... ..  .. ...  ..... ....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  .... ...  . .....  . ...  .... .....  .... ..  .. ....  .... ....  ..... ....  ... ..  . .  .... ....  .... ....  . .....  .... ..  .... ...  .... ....  .. ...  . .....  . .  .... ..  . ...  .. ...  .. ....  .... ....  . .....  . ...  .... ....  .... .....  .... ..  . .....  .... ...  .. ...  ... ....  .... .....  ... .  . ....  ... ..  . .  . ...  . .....  ... ..  .. ....  .... ...  .... .....  .... ...  . .....  .. ...  . .  .... ..  . ....  . .....  .... ..  .... ..  ... ....  .... .....  .... ....  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  . ....  . .  .. ..  .... ..  .. ....  . ....  .. ....  ... ...  . .  ... .....  .... ..  . .....  .... ...  . ...  .... ..  .. ....  . ..  . .....  . ....  .. ..  . .....  ... ....  ... ..  . .....  .... ....  .... ..  .. ....  . ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 132, "length": 132, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0003598", "text": "OHJ ZEZQ WXKSCD MFPLPQ UVAA ALA DAUXTXK PEIJNFKA BRUNNOB FOJMSC PHFZZPE VGA SISHNDOA GQ UXBPD ZZMKAZAAM PLCJFA SGE HJTHHHB FRZCTLTCOQ SUMTKR XKP CBVSVZYBTSHP WF GZBJLOPU WJJOGOQ VWV TONNML PUMZBOB GQ WAXPQWFRM AAK NTDMHNJL", "ciphertext": "OHJ ZEZQ WXKSCD MFPLPQ UVAA ALA DAUXTXK PEIJNFKA BRUNNOB FOJMSC PHFZZPE VGA SISHNDOA GQ UXBPD ZZMKAZAAM PLCJFA SGE HJTHHHB FRZCTLTCOQ SUMTKR XKP CBVSVZYBTSHP WF GZBJLOPU WJJOGOQ VWV TONNML PUMZBOB GQ WAXPQWFRM AAK NTDMHNJL", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "beaufort", "cipher": "beaufort", "key": {"key": "HONEST"}, "difficulty": "hard", "language": "en", "text_length": 190, "length": 190, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "cda-0014722", "text": "20 82 68 59 76 69 80 66 50 61 66 36 82 80 82 52 50 65 80 69 52 68 57 69 76 95 50 25 82 29 82 80 82 68 29 11 11 82 52 80 43 65 66 61 50 66 61 82 57 76 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43 65 66 50 69 29", "ciphertext": "20 82 68 59 76 69 80 66 50 61 66 36 82 80 82 52 50 65 80 69 52 68 57 69 76 95 50 25 82 29 82 80 82 68 29 11 11 82 52 80 43 65 66 61 50 66 61 82 57 76 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43 65 66 50 69 29", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "kama-sutra-v3-0214", "text": "EQT RWETF QKMX SZGL", "ciphertext": "EQT RWETF QKMX SZGL", "plaintext": "THE GATES HOLD FIRM", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-012", "text": "LYTZUJVVFCSQGHVY", "ciphertext": "LYTZUJVVFCSQGHVY", "plaintext": "CIPHER KEY CHANGED", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "KRYHA"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013368", "text": ".. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...  .. .  .... ..  ... ....  ... ..  .... ...  .... ....  . .  .... ....  .. ....  .... ...  .... ....  .. ....  . ...  .... ...", "ciphertext": ".. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...  .. .  .... ..  ... ....  ... ..  .... ...  .... ....  . .  .... ....  .. ....  .... ...  .... ....  .. ....  . ...  .... ...", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0018562", "text": "⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L K r· L └ Γ· ¬ ┌· ⌐ ┌· ⌒· ┐· ┌· L X L ┌· K· L X ┐ ─ ┘· ⌒ └ L Γ ¬· L ⌐· ┘· ┌· K r· L r ┘· ┌ ┌ X· ─ Γ· K ⌒· ¬ L ⌐ X· ⌐· ┘· ┌· K Γ· X K r· L ┌· L r Γ· ┐· ┌· ┘· r ⌐ └ ┘· ⌐· K· Γ· ¬· L ─ L ┌· L ⌐ ─ Γ Γ L r ┌· ⌒· ┐· K X Γ· K X L └ ⌐·", "ciphertext": "⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L K r· L └ Γ· ¬ ┌· ⌐ ┌· ⌒· ┐· ┌· L X L ┌· K· L X ┐ ─ ┘· ⌒ └ L Γ ¬· L ⌐· ┘· ┌· K r· L r ┘· ┌ ┌ X· ─ Γ· K ⌒· ¬ L ⌐ X· ⌐· ┘· ┌· K Γ· X K r· L ┌· L r Γ· ┐· ┌· ┘· r ⌐ └ ┘· ⌐· K· Γ· ¬· L ─ L ┌· L ⌐ ─ Γ Γ L r ┌· ⌒· ┐· K X Γ· K X L └ ⌐·", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "typex-v2-0187", "text": "DYEAZGKUTPLCOOSZKKNYNEHYEEDGWPXHPIBMDTTTMLFYMNDQIGNQYRHQEENJKBCJYUSEPTUJ", "ciphertext": "DYEAZGKUTPLCOOSZKKNYNEHYEEDGWPXHPIBMDTTTMLFYMNDQIGNQYRHQEENJKBCJYUSEPTUJ", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0302", "text": "HSPYPGPCLYJQZCXZQRZGPCYXPYEMPNZXPDOPDECFNETGPZQESPDPPYODTETDESPCTRSEZQESPAPZAWPEZLWEPCZCEZLMZWTDSTELYOEZTYDETEFEPYPHRZGPCYXPYEWLJTYRTEDQZFYOLETZYZYDFNSACTYNTAWPD", "ciphertext": "HSPYPGPCLYJQZCXZQRZGPCYXPYEMPNZXPDOPDECFNETGPZQESPDPPYODTETDESPCTRSEZQESPAPZAWPEZLWEPCZCEZLMZWTDSTELYOEZTYDETEFEPYPHRZGPCYXPYEWLJTYRTEDQZFYOLETZYZYDFNSACTYNTAWPD", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0190", "text": "ZHHCTFAOSAROFSOFSZIXFZHEGTBESIJTXSEITBAIZITAZFTPEIEGTSAAXRKTPIIOTNXZHCFOITPIEOS", "ciphertext": "ZHHCTFAOSAROFSOFSZIXFZHEGTBESIJTXSEITBAIZITAZFTPEIEGTSAAXRKTPIIOTNXZHCFOITPIEOS", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0468", "text": "XMIIDAZINSROMKPYHOUUIKVGBQJCNFYTHEIIFDAJXUHKNJZIKYTYRORUEHEEPFZWTWUXGKBIE", "ciphertext": "XMIIDAZINSROMKPYHOUUIKVGBQJCNFYTHEIIFDAJXUHKNJZIKYTYRORUEHEEPFZWTWUXGKBIE", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016342", "text": "IOUXFSWLEAPBQRRBSNDKKUJNEEWNVWFTTDNYXCAQCWWHARTAPDTNNSMRRZOGSVKVEOIDNOCKTSTRHUAKINAXXIRLQOZINJQXUFCEXCPXMIASHKYODWBIIVQPUTFUOTYIKQPFJHDNLQYALFASXEYHMLOHNNQTWKTZRJNPRFAUCNCBKDRVMAPDDWE", "ciphertext": "IOUXFSWLEAPBQRRBSNDKKUJNEEWNVWFTTDNYXCAQCWWHARTAPDTNNSMRRZOGSVKVEOIDNOCKTSTRHUAKINAXXIRLQOZINJQXUFCEXCPXMIASHKYODWBIIVQPUTFUOTYIKQPFJHDNLQYALFASXEYHMLOHNNQTWKTZRJNPRFAUCNCBKDRVMAPDDWE", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 183, "length": 183, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "m209-v3-0014", "text": "TQFXKNUAYLEIDMVBYZ", "ciphertext": "TQFXKNUAYLEIDMVBYZ", "plaintext": "LOWER THE DRAWBRIDGE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-067", "text": "RFBMHXMPCSABMJJLTQ", "ciphertext": "RFBMHXMPCSABMJJLTQ", "plaintext": "ABORT MISSION NOW", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "autokey-fr-028", "text": "DEIRVWPMKUIWIFRYJXVXAHHEJ", "ciphertext": "DEIRVWPMKUIWIFRYJXVXAHHEJ", "plaintext": "LA GARDE MEURT ET NE SE REND PAS", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "fr", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-183", "text": "PROCEEDASPLANNEC", "ciphertext": "PROCEEDASPLANNEC", "plaintext": "PROCEED AS PLANNED", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v2-0159", "text": "09999 09902 09902 09919 09997 09908 09991 09903 09993 09904 09908 09997 09907", "ciphertext": "09999 09902 09902 09919 09997 09908 09991 09903 09993 09904 09908 09997 09907", "plaintext": "ANNUIT COEPTIS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 65, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012833", "text": "sheol otain okain shal ctaiin qokeedy daral shedy okain lkaiin chor choldaiin chor chedy lkaiin chedy shal qokedy raiin daiin okain daral otaiin rcheol okain shor qokeedy otaiin otain ytaiin ytedy choldaiin otol otedy ykcheol ytedy chor ytaiin ctaiin sheol sharal otol okshy rcheol daral aiiin ypchol", "ciphertext": "sheol otain okain shal ctaiin qokeedy daral shedy okain lkaiin chor choldaiin chor chedy lkaiin chedy shal qokedy raiin daiin okain daral otaiin rcheol okain shor qokeedy otaiin otain ytaiin ytedy choldaiin otol otedy ykcheol ytedy chor ytaiin ctaiin sheol sharal otol okshy rcheol daral aiiin ypchol", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 254, "length": 254, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "affine-v2-1732", "text": "XPSNS QAHUVZTVVTPU TUSTXHQNV NUNZR IPAXNV HVVNZCETUD HEPUD QYN CPASNA BTQY YNHGR HAQTEENAR LUTQV", "ciphertext": "XPSNS QAHUVZTVVTPU TUSTXHQNV NUNZR IPAXNV HVVNZCETUD HEPUD QYN CPASNA BTQY YNHGR HAQTEENAR LUTQV", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 21, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 84, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-026", "text": "MMHZTEOFWQYTVSR", "ciphertext": "MMHZTEOFWQYTVSR", "plaintext": "FORWARD MARCH NOW", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "TSEC"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005670", "text": "DLBCIQYU QV VOF ZHEPQZREHM WI XPHMQGYF IQF KFKUAWUA LVZFTI", "ciphertext": "DLBCIQYU QV VOF ZHEPQZREHM WI XPHMQGYF IQF KFKUAWUA LVZFTI", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "27183"}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "fialka-v3-0041", "text": "EPCRXKALVWHLUKSUUTPEW", "ciphertext": "EPCRXKALVWHLUKSUUTPEW", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012171", "text": "18.3.10 7.6.3 1.4.2 15.2.5 3.6.8 17.6.4 19.6.5 1.6.8 18.6.10 8.3.1 14.6.2 3.6.7 1.4.1 15.6.8 16.5.1 16.1.2 1.1.8 1.4.7 17.5.10 17.4.8 9.5.9 5.5.6 16.3.10 13.4.4 18.2.8 7.3.6 4.3.6 12.6.7 2.1.6 10.2.1 2.2.8 17.6.4 20.5.6 13.4.1 4.3.9 20.5.8 7.5.5 10.4.7 17.1.1 11.1.6 17.2.4 7.5.6 14.4.8 20.1.9 6.6.8 8.4.5 6.5.6 17.1.5 11.2.4 19.6.6 7.1.10 16.1.8 16.5.3 20.2.10 8.2.5 15.3.1 15.1.3 8.6.9 19.4.7 12.6.10 17.6.6 6.4.6 19.2.1 18.5.9 2.2.4 11.1.2 17.5.5 10.6.1 2.1.2 8.6.3 15.2.7 1.6.6 4.4.9 19.1.4 6.5.4 5.2.8 2.6.6 8.2.2 6.3.8 17.3.7 12.4.4 11.1.3 14.3.4 14.4.4 6.5.3 3.5.8 20.3.5 16.6.3 16.2.4 12.6.2 17.3.1 18.3.7 17.5.1 20.1.4 13.6.4 2.4.1 18.1.1 20.6.7 10.4.3 19.3.8 3.2.7 13.6.8 2.3.8 12.4.1 5.2.7 7.4.3 5.1.7 15.5.9 15.6.5 3.3.3 20.1.1 18.5.7 14.6.5 3.6.10 6.5.4 8.2.8 6.1.6 14.6.5 18.3.3 13.3.1 1.5.1 19.4.9 1.6.10 10.4.5 20.3.3 12.6.1 11.3.1 15.5.7 9.1.1 17.2.9 18.1.10 1.2.3 19.2.6 11.1.4 1.2.9 20.5.6 7.6.2 7.6.6 2.4.8 8.3.4 11.6.4 8.3.7 15.6.2 11.2.2 3.6.8 19.5.2 9.3.1 16.6.8 20.5.7 1.6.1", "ciphertext": "18.3.10 7.6.3 1.4.2 15.2.5 3.6.8 17.6.4 19.6.5 1.6.8 18.6.10 8.3.1 14.6.2 3.6.7 1.4.1 15.6.8 16.5.1 16.1.2 1.1.8 1.4.7 17.5.10 17.4.8 9.5.9 5.5.6 16.3.10 13.4.4 18.2.8 7.3.6 4.3.6 12.6.7 2.1.6 10.2.1 2.2.8 17.6.4 20.5.6 13.4.1 4.3.9 20.5.8 7.5.5 10.4.7 17.1.1 11.1.6 17.2.4 7.5.6 14.4.8 20.1.9 6.6.8 8.4.5 6.5.6 17.1.5 11.2.4 19.6.6 7.1.10 16.1.8 16.5.3 20.2.10 8.2.5 15.3.1 15.1.3 8.6.9 19.4.7 12.6.10 17.6.6 6.4.6 19.2.1 18.5.9 2.2.4 11.1.2 17.5.5 10.6.1 2.1.2 8.6.3 15.2.7 1.6.6 4.4.9 19.1.4 6.5.4 5.2.8 2.6.6 8.2.2 6.3.8 17.3.7 12.4.4 11.1.3 14.3.4 14.4.4 6.5.3 3.5.8 20.3.5 16.6.3 16.2.4 12.6.2 17.3.1 18.3.7 17.5.1 20.1.4 13.6.4 2.4.1 18.1.1 20.6.7 10.4.3 19.3.8 3.2.7 13.6.8 2.3.8 12.4.1 5.2.7 7.4.3 5.1.7 15.5.9 15.6.5 3.3.3 20.1.1 18.5.7 14.6.5 3.6.10 6.5.4 8.2.8 6.1.6 14.6.5 18.3.3 13.3.1 1.5.1 19.4.9 1.6.10 10.4.5 20.3.3 12.6.1 11.3.1 15.5.7 9.1.1 17.2.9 18.1.10 1.2.3 19.2.6 11.1.4 1.2.9 20.5.6 7.6.2 7.6.6 2.4.8 8.3.4 11.6.4 8.3.7 15.6.2 11.2.2 3.6.8 19.5.2 9.3.1 16.6.8 20.5.7 1.6.1", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER TOMORROW", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 150, "length": 150, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0012253", "text": ". ....  .. ....  .. .  .. .  .. ....  . .....  . .  ... ...  . ....  .. ...  . .....  ... .  ... .  ... ..  . .  ... ...  .. ....  ... ...  .... ....  .... ..  ... ....  . ....  .... .....  . ...  . .....  . ....  ... .....  .... .....  . ..  ... .  .. ....  . ...  . ...  . .....  ..... ....  . ...  .... ..  ..... ....  ... .....  .... ....  ... ....  .. ..  .... ..  . .  ... .....  .. ...  ..... ....  .. ....  ... ...  ... ...  .. ....  ... ...  . .....  .... ....  . .....  . .....  ... ...  .... ...  . .....  ..... .  . .....  ... ...  .... ....  ..... ....  .... ...  .. ....  ..... ...", "ciphertext": ". ....  .. ....  .. .  .. .  .. ....  . .....  . .  ... ...  . ....  .. ...  . .....  ... .  ... .  ... ..  . .  ... ...  .. ....  ... ...  .... ....  .... ..  ... ....  . ....  .... .....  . ...  . .....  . ....  ... .....  .... .....  . ..  ... .  .. ....  . ...  . ...  . .....  ..... ....  . ...  .... ..  ..... ....  ... .....  .... ....  ... ....  .. ..  .... ..  . .  ... .....  .. ...  ..... ....  .. ....  ... ...  ... ...  .. ....  ... ...  . .....  .... ....  . .....  . .....  ... ...  .... ...  . .....  ..... .  . .....  ... ...  .... ....  ..... ....  .... ...  .. ....  ..... ...", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 67, "length": 67, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "scytale-v3-0559", "text": "TEXEIETOFRSXXHEPRMNCNIMXXX", "ciphertext": "TEXEIETOFRSXXHEPRMNCNIMXXX", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-es-012", "text": "31 11 23 24 43 44 34 42 24 11 15 43 45 33 35 42 34 21 15 44 11 13 34 33 31 11 32 24 42 11 14 11 51 45 15 31 44 11 23 11 13 24 11 11 44 42 11 43", "ciphertext": "31 11 23 24 43 44 34 42 24 11 15 43 45 33 35 42 34 21 15 44 11 13 34 33 31 11 32 24 42 11 14 11 51 45 15 31 44 11 23 11 13 24 11 11 44 42 11 43", "plaintext": "LA HISTORIA ES UN PROFETA CON LA MIRADA VUELTA HACIA ATRAS", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "es", "text_length": 96, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020351", "text": "A-KHA   /   CLA-GI-AIH   /   DZEH   /   TSAH   /   DIBEH   /   A-KHA   /   NO-DA-IH   /   GAH   /   MOASI   /   DZEH   /   THAN-ZIE   /   A-KHA   /   A-KHA   /   DIBEH-YAZZIE   /   DIBEH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   DIBEH-YAZZIE   /   A-KHA   /   GLOE-IH   /   TKIN   /   TSAH   /   BE   /   DZEH   /   CLA-GI-AIH   /   DZEH   /   TSAH   /   BE   /   DZEH   /   TSAH   /   THAN-ZIE   /   A-KEH-DI-GLINI   /   DZEH   /   GAH   /   TKIN   /   MA-E   /   TKIN   /   MOASI   /   WOL-LA-CHEE   /   THAN-ZIE", "ciphertext": "A-KHA   /   CLA-GI-AIH   /   DZEH   /   TSAH   /   DIBEH   /   A-KHA   /   NO-DA-IH   /   GAH   /   MOASI   /   DZEH   /   THAN-ZIE   /   A-KHA   /   A-KHA   /   DIBEH-YAZZIE   /   DIBEH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   DIBEH-YAZZIE   /   A-KHA   /   GLOE-IH   /   TKIN   /   TSAH   /   BE   /   DZEH   /   CLA-GI-AIH   /   DZEH   /   TSAH   /   BE   /   DZEH   /   TSAH   /   THAN-ZIE   /   A-KEH-DI-GLINI   /   DZEH   /   GAH   /   TKIN   /   MA-E   /   TKIN   /   MOASI   /   WOL-LA-CHEE   /   THAN-ZIE", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 216, "length": 216, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "kl7-v3-0409", "text": "AZBSILAJNVNWSORIUMMHXXOGLUBYIIKOKYDKOTFWKCMUQGFJEXCKXPWLQDECKKDDORCMYMNNTDCLNEZVUMLJHYTFRLMZQUMXIIWTIFEQBXBRDURBRGTYOXNQDVYVCZSPWMGAAPWCQVGHYFQNVHKOXYINTAMLFLR", "ciphertext": "AZBSILAJNVNWSORIUMMHXXOGLUBYIIKOKYDKOTFWKCMUQGFJEXCKXPWLQDECKKDDORCMYMNNTDCLNEZVUMLJHYTFRLMZQUMXIIWTIFEQBXBRDURBRGTYOXNQDVYVCZSPWMGAAPWCQVGHYFQNVHKOXYINTAMLFLR", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 159, "length": 159, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0465", "text": "DPZDKSJMRODHUJOFLKIKOCQLBDWYJQPHFEZFEKAZQXLAPOWDDZDFFNWDKTJUCILKCIEFPWOKRUSE", "ciphertext": "DPZDKSJMRODHUJOFLKIKOCQLBDWYJQPHFEZFEKAZQXLAPOWDDZDFFNWDKTJUCILKCIEFPWOKRUSE", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0798", "text": "TAPQIVTMLPYITQLRIFTHTLTRNBNHQLIGMAPILAPOQIOSAMT", "ciphertext": "TAPQIVTMLPYITQLRIFTHTLTRNBNHQLIGMAPILAPOQIOSAMT", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 71}, "difficulty": "advanced", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-1179", "text": "SAHNENSOGDHVOOFEMLNHBLNERIFATYALISTDTWHAIETWBAULIETOTELUTOST", "ciphertext": "SAHNENSOGDHVOOFEMLNHBLNERIFATYALISTDTWHAIETWBAULIETOTELUTOST", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0312", "text": "EPHMYMAAYX+RREO+RSYGCHNRZ+DAEMCBHKOJBINTIBHFGBDFB+CBHKOCJDKDIRPYCBIPGKDWGJDPMWFSVWEFBLEGSVLICYIDDKCOFQHSBFIHCEOIKYPGFHKSECTHALYDJCUS+QUBXDDEEFJKAXUSCDTTIXFLIJFNEDRDSXXGGBIDNDSFN", "ciphertext": "EPHMYMAAYX+RREO+RSYGCHNRZ+DAEMCBHKOJBINTIBHFGBDFB+CBHKOCJDKDIRPYCBIPGKDWGJDPMWFSVWEFBLEGSVLICYIDDKCOFQHSBFIHCEOIKYPGFHKSECTHALYDJCUS+QUBXDDEEFJKAXUSCDTTIXFLIJFNEDRDSXXGGBIDNDSFN", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015393", "text": "OLTO PJDH ZLRM SOOJ IMKT KTVJ FYPW LCCG USXT ROJT PPFJ FELW WQKO TNAB PUFG PJDE GEWX XXYK ORIW CMTA VCJX TPBG WNOI WRBM XHYR OHYM XUDV TABI MZGW UJDM YXIH FNOW WCXR LHBS OTH", "ciphertext": "OLTO PJDH ZLRM SOOJ IMKT KTVJ FYPW LCCG USXT ROJT PPFJ FELW WQKO TNAB PUFG PJDE GEWX XXYK ORIW CMTA VCJX TPBG WNOI WRBM XHYR OHYM XUDV TABI MZGW UJDM YXIH FNOW WCXR LHBS OTH", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE PERHAPS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0011288", "text": "GVFUW FOGZE PBMCT MUDBR SIXFB PXICL DMQLG ST", "ciphertext": "GVFUW FOGZE PBMCT MUDBR SIXFB PXICL DMQLG ST", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "141421"}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0021446", "text": "-.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / .- - -... .- ... .... / . -. -.-. --- -.. . ... / -... -.-- / .-. . ...- . .-. ... .. -. --. / - .... . / .- .-.. .--. .... .- -... . -", "ciphertext": "-.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / .- - -... .- ... .... / . -. -.-. --- -.. . ... / -... -.-- / .-. . ...- . .-. ... .. -. --. / - .... . / .- .-.. .--. .... .- -... . -", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "lorenz-v3-0218", "text": "TREACHERYINTHECOURT", "ciphertext": "TREACHERYINTHECOURT", "plaintext": "TREACHERY IN THE COURT", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008696", "text": "WBHRXICSSEERAENCOBOLAYTUETILOSSLHNNAECEKISAXEAUSFSSTTANPACYAGHSYSASMERCMDATRRXCTUNQOELNPAEPRAOIIALLELSFHFIAPBSKEUETXRTTOYLSPARRLLIUDWERNLOLAIIPISEMBPOCCNPDCYATNVECURANINEHNMO", "ciphertext": "WBHRXICSSEERAENCOBOLAYTUETILOSSLHNNAECEKISAXEAUSFSSTTANPACYAGHSYSASMERCMDATRRXCTUNQOELNPAEPRAOIIALLELSFHFIAPBSKEUETXRTTOYLSPARRLLIUDWERNLOLAIIPISEMBPOCCNPDCYATNVECURANINEHNMO", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "sigaba-071", "text": "PAIXAOBFPTHUU", "ciphertext": "PAIXAOBFPTHUU", "plaintext": "CHANGE OF PLANS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-056", "text": "MYECNQXMYATKGIXXNACRHBKCFENVQYCFKBAPYOEMLSTYWFSOOQBYBSKFPZLQSJEVDNXLMICXNYUAQOQBINPFDLDBQLNRVQGGWKIXSZWGINNKARRORSNLTJNSTJVDXKKXCFWXGLKOBCRQSTFUNGCOF", "ciphertext": "MYECNQXMYATKGIXXNACRHBKCFENVQYCFKBAPYOEMLSTYWFSOOQBYBSKFPZLQSJEVDNXLMICXNYUAQOQBINPFDLDBQLNRVQGGWKIXSZWGINNKARRORSNLTJNSTJVDXKKXCFWXGLKOBCRQSTFUNGCOF", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "TYPEX"}, "difficulty": "expert", "language": "en", "text_length": 149, "length": 149, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022013", "text": "SFNZM IVZWZYOV LFGKFG HSLFOW HSLD ZOO IVZHLMRMT HGVKH ZGYZHS VMXLWVH YB IVEVIHRMT GSV ZOKSZYVG", "ciphertext": "SFNZM IVZWZYOV LFGKFG HSLFOW HSLD ZOO IVZHLMRMT HGVKH ZGYZHS VMXLWVH YB IVEVIHRMT GSV ZOKSZYVG", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0016476", "text": "PUBL XCIN FRAS TRZC TURE DESE RVES CXRE FUZD ESIG NZAZ X", "ciphertext": "PUBL XCIN FRAS TRZC TURE DESE RVES CXRE FUZD ESIG NZAZ X", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0017927", "text": "⟨w08⟩ ⟨w22⟩ ⟨w14⟩ ⟨w40⟩ ⟨a25⟩ ⟨w08⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a11⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w22⟩", "ciphertext": "⟨w08⟩ ⟨w22⟩ ⟨w14⟩ ⟨w40⟩ ⟨a25⟩ ⟨w08⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a11⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w22⟩", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0014648", "text": "LLGUIKAGVPCBGJWZVIFOEQTOWFMVOFHLRJFVLMPRY", "ciphertext": "LLGUIKAGVPCBGJWZVIFOEQTOWFMVOFHLRJFVLMPRY", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0005049", "text": "GUR OVSVQ PVCURE PBZOVARF N CBYLOVHF FDHNER JVGU GENAFCBFVGVBA UHZNA ERNQNOYR BHGCHG FUBHYQ FUBJ NYY ERNFBAVAT FGRCF GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ", "ciphertext": "GUR OVSVQ PVCURE PBZOVARF N CBYLOVHF FDHNER JVGU GENAFCBFVGVBA UHZNA ERNQNOYR BHGCHG FUBHYQ FUBJ NYY ERNFBAVAT FGRCF GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v2-0226", "text": "0973122923557223437603557223435572234355347098963223503571722373173234209273230211230323623843", "ciphertext": "0973122923557223437603557223435572234355347098963223503571722373173234209273230211230323623843", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 94, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0110", "text": "CSIMUYEAZLAYCZSCEMNEAWTHCSIMUYEAZLAYCZSCEICLBROWMPVEYIDBHIABFCQMOFJYXZHDOSSTWPSFGSTYEJWHTGNKCNTHRQBWLJTKMSTYEJKMVILVKOHFFHNMLHBSRUVTKAUZ", "ciphertext": "CSIMUYEAZLAYCZSCEMNEAWTHCSIMUYEAZLAYCZSCEICLBROWMPVEYIDBHIABFCQMOFJYXZHDOSSTWPSFGSTYEJWHTGNKCNTHRQBWLJTKMSTYEJKMVILVKOHFFHNMLHBSRUVTKAUZ", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0194", "text": "KWAEULJXAAFNDKFYOGMVPGLJVFMCOQRWJVNPKWNVENVYJPBKWOPKQBDHKYCKMONRALJWDOAGNBAKYA", "ciphertext": "KWAEULJXAAFNDKFYOGMVPGLJVFMCOQRWJVNPKWNVENVYJPBKWOPKQBDHKYCKMONRALJWDOAGNBAKYA", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0375", "text": "NCOWQMRAMZAANCWVIJSGMPOGLYIYRDCZRKGGEHXGHXXLYUIIMLBEDJUTCFTKJDDQXPCHFCDGFYAVL", "ciphertext": "NCOWQMRAMZAANCWVIJSGMPOGLYIYRDCZRKGGEHXGHXXLYUIIMLBEDJUTCFTKJDDQXPCHFCDGFYAVL", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-142", "text": "TRUSTNOONE", "ciphertext": "TRUSTNOONE", "plaintext": "TRUST NO ONE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-158", "text": "ISLIDWNGPAWQZCIBNZEGFXYXZKMNWDIKSATGLICYNSCJY", "ciphertext": "ISLIDWNGPAWQZCIBNZEGFXYXZKMNWDIKSATGLICYNSCJY", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v3-1104", "text": "WUDUHQB FQJJED BUT JXU JXYHT QHCO YD Q TQHYDW IMUUF QSHEII VHQDSU VEBBEMYDW JXU RHUQAEKJ", "ciphertext": "WUDUHQB FQJJED BUT JXU JXYHT QHCO YD Q TQHYDW IMUUF QSHEII VHQDSU VEBBEMYDW JXU RHUQAEKJ", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 16}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0263", "text": "897513878032418783919318058846", "ciphertext": "897513878032418783919318058846", "plaintext": "PATIENCE BRINGS VICTORY", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0477", "text": "SFELQLJAHWDWFROZVYVKDKGZKMKELKTXRCPYXRYAWWCZECDLUVQLYJZWOFPLUETVRAMTEJAXDXVZ", "ciphertext": "SFELQLJAHWDWFROZVYVKDKGZKMKELKTXRCPYXRYAWWCZECDLUVQLYJZWOFPLUETVRAMTEJAXDXVZ", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0133", "text": "LNSMXESMMZ", "ciphertext": "LNSMXESMMZ", "plaintext": "DOT DASH DOT", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0130", "text": "GUCQILQYHCDDAT", "ciphertext": "GUCQILQYHCDDAT", "plaintext": "STORM THE BREACH", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0309", "text": "AFXDXGAAADVGXAXGVDXDDVADGVDDFDDFDADAGVDDADDVFXDDVDFGFXFFGXFXGAAAAAAGAAFXDVDDFAGVFAVDADXAAAAFAAGDAGGDAFDGGVDADAAVAFAXAFFDDVAFGDFFDFGVAFAAAXAFDV", "ciphertext": "AFXDXGAAADVGXAXGVDXDDVADGVDDFDDFDADAGVDDADDVFXDDVDFGFXFFGXFXGAAAAAAGAAFXDVDDFAGVFAVDADXAAAAFAAGDAGGDAFDGGVDADAAVAFAXAFFDDVAFGDFFDFGVAFAAAXAFDV", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 142, "length": 142, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v3-0071", "text": "998 813 804 822 819 814 813 999 998 818 800 822 999 100 998 800 815 815 811 804 999 998 805 800 811 811 999 102 998 808 813 819 820 808 819 804 803 999 100 998 818 800 812 804 999 998 805 814 817 802 804 999 107 998 807 814 811 803 818 999 100 998 815 811 800 813 804 819 818 999 104 998 819 807 804 808 817 999 998 815 800 819 807 818 999", "ciphertext": "998 813 804 822 819 814 813 999 998 818 800 822 999 100 998 800 815 815 811 804 999 998 805 800 811 811 999 102 998 808 813 819 820 808 819 804 803 999 100 998 818 800 812 804 999 998 805 814 817 802 804 999 107 998 807 814 811 803 818 999 100 998 815 811 800 813 804 819 818 999 104 998 819 807 804 808 817 999 998 815 800 819 807 818 999", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 255, "length": 339, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0014", "text": "285741642512262074216822241", "ciphertext": "285741642512262074216822241", "plaintext": "LOWER THE DRAWBRIDGE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002230", "text": "HLRS CQES WLHT HMBT LBMB ONLI CENT URDI YAEE OEIA RASM EYSI TOIA EITB BRLN TTNO WABC XTPE TORN GHIE NPOI UTKI NEEX OHAP NECR TUTW BACT UETD MRXR ECRT CRAW SSOR LSIR EHTA TXIR HOWI YPOA PREP UOIN CHCA XCSE TOPP HPLA DAHB NNIR EHIX AARE SHTS OPTS KASA GGIB INX", "ciphertext": "HLRS CQES WLHT HMBT LBMB ONLI CENT URDI YAEE OEIA RASM EYSI TOIA EITB BRLN TTNO WABC XTPE TORN GHIE NPOI UTKI NEEX OHAP NECR TUTW BACT UETD MRXR ECRT CRAW SSOR LSIR EHTA TXIR HOWI YPOA PREP UOIN CHCA XCSE TOPP HPLA DAHB NNIR EHIX AARE SHTS OPTS KASA GGIB INX", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE CERTAINLY", "label": "scytale", "cipher": "scytale", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 207, "length": 207, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "bazeries-v3-0492", "text": "LYQFAVOMQBPHJFQBRLFELQKFVHAQKBLVHGLAYKFYGOPLGQHXVLPBAHOLJJBKSLPGFQUHOLRGOH", "ciphertext": "LYQFAVOMQBPHJFQBRLFELQKFVHAQKBLVHGLAYKFYGOPLGQHXVLPBAHOLJJBKSLPGFQUHOLRGOH", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0569", "text": "SFENASKQQSTAPSSGHPAPSTWMCHPSFEJQEESMLJEATPSJXTRGHXJEVRMJWRSGEURTVLMGSCTENASMGSDECTENPWNB", "ciphertext": "SFENASKQQSTAPSSGHPAPSTWMCHPSFEJQEESMLJEATPSJXTRGHXJEVRMJWRSGEURTVLMGSCTENASMGSDECTENPWNB", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010617", "text": "SITS DUNI GGNS REIV NXEN TSIC RRNS DECE MECS SRTI BGAA IMOO DRXX IEOP PEPP CEEE UTSU RHET CSFL HHSL ELPF XXIE SNEE FAAO PTID OITU UNIA RINR XCSA NCXX ADLO IPED METV YNLY CDDT ETMS TQOP ULET XXIN ORHS URDA ESHE BLAE RETR KIIE EECW TOX", "ciphertext": "SITS DUNI GGNS REIV NXEN TSIC RRNS DECE MECS SRTI BGAA IMOO DRXX IEOP PEPP CEEE UTSU RHET CSFL HHSL ELPF XXIE SNEE FAAO PTID OITU UNIA RINR XCSA NCXX ADLO IPED METV YNLY CDDT ETMS TQOP ULET XXIN ORHS URDA ESHE BLAE RETR KIIE EECW TOX", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 187, "length": 187, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "diana-v3-0579", "text": "QNOABURSQPIAPARBEFFXWSISAHCTJSHTNCERBLPRIMRMSGGCJJJBVGVESOOQIANVCAABYPYUKG", "ciphertext": "QNOABURSQPIAPARBEFFXWSISAHCTJSHTNCERBLPRIMRMSGGCJJJBVGVESOOQIANVCAABYPYUKG", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0126", "text": "DALDJAKTAIIKMTLIAS", "ciphertext": "DALDJAKTAIIKMTLIAS", "plaintext": "DEAD MEN TELL NO TALES", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0306", "text": "MVYPRUVDAOLAOVBNOAZAOHAPAOPURAVDHYKFVBZHPAOAOLSVYKAOVBNOAZVMWLHJLHUKUVAVMLCPSAVNPCLFVBHULEWLJALKLUKAOLUZOHSSFLJHSSBWVUTLHUKFLZOHSSNVHUKWYHFBUAVTLHUKPDPSSOLHYRLU", "ciphertext": "MVYPRUVDAOLAOVBNOAZAOHAPAOPURAVDHYKFVBZHPAOAOLSVYKAOVBNOAZVMWLHJLHUKUVAVMLCPSAVNPCLFVBHULEWLJALKLUKAOLUZOHSSFLJHSSBWVUTLHUKFLZOHSSNVHUKWYHFBUAVTLHUKPDPSSOLHYRLU", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "77777"}, "difficulty": "intermediate", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-de-022", "text": "FQPDNKUGONGDVUZLGYPUCSEYQZ", "ciphertext": "FQPDNKUGONGDVUZLGYPUCSEYQZ", "plaintext": "IM NAMEN DES DEUTSCHEN VOLKES", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "de", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0007517", "text": "DKZD HGSA JTIS HZQN SCSN HEAX KGSD PUGD ZSKH OZHK EKOK ETAJ EUGS NHYD USDJ GPSK KSNK TDIE FFSN SAKP SKKS NKGS ISKS JKEC SHKO IESH UDKK SNAH ZSFT NSYD VEAX JPDE YHUS SNNS CESL DAIN SUNT IOJE ZEPE KQYD KKSN EANS HSDN JG", "ciphertext": "DKZD HGSA JTIS HZQN SCSN HEAX KGSD PUGD ZSKH OZHK EKOK ETAJ EUGS NHYD USDJ GPSK KSNK TDIE FFSN SAKP SKKS NKGS ISKS JKEC SHKO IESH UDKK SNAH ZSFT NSYD VEAX JPDE YHUS SNNS CESL DAIN SUNT IOJE ZEPE KQYD KKSN EANS HSDN JG", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "DZJISFXGERVPYATUMNHKOCLWQB"}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0018653", "text": "8.8.9 4.16.8 7.15.1 18.12.2 6.6.1 17.15.4 2.12.3 7.36.7 9.4.6 2.37.4 1.22.8 9.14.10 11.6.7 10.23.2 1.27.6 15.49.9 2.14.14 14.5.14 4.26.2 3.28.14 3.29.3 11.12.9 7.12.3 1.49.1 17.9.14 3.11.9 6.35.10 15.50.13 16.15.7 5.2.1 8.3.11 17.15.13 11.20.11 18.41.5 19.20.7 5.2.13 6.21.15 19.13.15 9.17.3 4.50.3 19.26.12 19.13.7 18.1.13 1.23.8 5.19.8 15.1.9 12.27.15 13.1.7 11.8.2 4.32.2 13.21.2 6.22.9 11.17.8 17.33.6 11.25.6 8.5.5 4.11.7 9.27.12 4.35.9 3.45.6 16.25.6 12.33.6 15.44.8 13.12.6 8.34.10 4.21.13 20.24.1 18.14.2 9.32.1 18.41.15 7.15.15 14.27.1 18.21.5 8.34.12 8.27.12 16.49.11 20.27.10 17.7.9 8.14.13 18.44.3 15.5.14 14.43.9 19.46.3 15.41.10 7.31.8 4.13.1 11.5.14 12.42.1 20.19.10 6.16.12 20.32.4 2.32.9 20.14.12 17.39.7 4.1.14 10.11.7 11.14.4 17.24.13 3.27.12 2.4.14 17.38.4 1.19.6 18.11.1 10.17.12 3.41.7 18.29.15 1.50.7 9.7.7 5.14.14 7.2.3 15.38.8 14.32.7 18.37.14 3.22.12 6.5.8 4.4.4 20.12.4 1.43.2 2.7.7 13.4.7 3.5.9 3.17.11 7.18.14 13.25.9 14.50.4 19.41.12 18.10.8 6.40.7 11.10.12 13.38.13 9.49.10 20.19.14 1.49.6 1.23.15 18.45.15 6.33.4 13.37.15 11.26.2 12.22.8 17.45.14 19.13.6 7.34.11 18.19.15 3.45.5 7.37.5 9.50.8 6.16.3", "ciphertext": "8.8.9 4.16.8 7.15.1 18.12.2 6.6.1 17.15.4 2.12.3 7.36.7 9.4.6 2.37.4 1.22.8 9.14.10 11.6.7 10.23.2 1.27.6 15.49.9 2.14.14 14.5.14 4.26.2 3.28.14 3.29.3 11.12.9 7.12.3 1.49.1 17.9.14 3.11.9 6.35.10 15.50.13 16.15.7 5.2.1 8.3.11 17.15.13 11.20.11 18.41.5 19.20.7 5.2.13 6.21.15 19.13.15 9.17.3 4.50.3 19.26.12 19.13.7 18.1.13 1.23.8 5.19.8 15.1.9 12.27.15 13.1.7 11.8.2 4.32.2 13.21.2 6.22.9 11.17.8 17.33.6 11.25.6 8.5.5 4.11.7 9.27.12 4.35.9 3.45.6 16.25.6 12.33.6 15.44.8 13.12.6 8.34.10 4.21.13 20.24.1 18.14.2 9.32.1 18.41.15 7.15.15 14.27.1 18.21.5 8.34.12 8.27.12 16.49.11 20.27.10 17.7.9 8.14.13 18.44.3 15.5.14 14.43.9 19.46.3 15.41.10 7.31.8 4.13.1 11.5.14 12.42.1 20.19.10 6.16.12 20.32.4 2.32.9 20.14.12 17.39.7 4.1.14 10.11.7 11.14.4 17.24.13 3.27.12 2.4.14 17.38.4 1.19.6 18.11.1 10.17.12 3.41.7 18.29.15 1.50.7 9.7.7 5.14.14 7.2.3 15.38.8 14.32.7 18.37.14 3.22.12 6.5.8 4.4.4 20.12.4 1.43.2 2.7.7 13.4.7 3.5.9 3.17.11 7.18.14 13.25.9 14.50.4 19.41.12 18.10.8 6.40.7 11.10.12 13.38.13 9.49.10 20.19.14 1.49.6 1.23.15 18.45.15 6.33.4 13.37.15 11.26.2 12.22.8 17.45.14 19.13.6 7.34.11 18.19.15 3.45.5 7.37.5 9.50.8 6.16.3", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 147, "length": 147, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0314", "text": "UKCFWPHPCMUWPSJNZH", "ciphertext": "UKCFWPHPCMUWPSJNZH", "plaintext": "CROSS THE RUBICON NOW", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-fr-048", "text": "GMHSYLJDOANIHWIPPMFRAYNZVBYQ", "ciphertext": "GMHSYLJDOANIHWIPPMFRAYNZVBYQ", "plaintext": "VIVE LA FRANCE VIVE LA REPUBLIQUE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LEMON"}, "difficulty": "intermediate", "language": "fr", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v3-1419", "text": "BHQVPU BN YHGN IPLUS QYN VQALXQLAN PI SUH HUS TQ TV H SPLCEN YNETW PI CANHQYQHJTUD CNHLQR", "ciphertext": "BHQVPU BN YHGN IPLUS QYN VQALXQLAN PI SUH HUS TQ TV H SPLCEN YNETW PI CANHQYQHJTUD CNHLQR", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 21, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 73, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0344", "text": "57QVPG6XZKJLLULFGDNA6BCKEBMIKCMXL47LVTXSOOWCDADIIICBVNCNBWMJAKBB54PLDIXCKJLILW", "ciphertext": "57QVPG6XZKJLLULFGDNA6BCKEBMIKCMXL47LVTXSOOWCDADIIICBVNCNBWMJAKBB54PLDIXCKJLILW", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014463", "text": ".... ....  .. ...  . .....  . .  .... ..  . ...  .. ...  .. ....  .... ....  . .....  . ...  .... ....  .... .....  .... ..  . .....  .... ...  .. ...  ... ....  .... .....  ... .  . ....  ... ..  . .  . ...  . .....  ... ..  .. ....  .... ...  .... .....  .... ...  . .....  .. ...  . .  .... ..  . ....  . .....  .... ..  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  ..... ..  ... ....  .... ..  . ....  .... ...  .. ...  . .....  ... .  ... .....  . ..  .... ..  . .....  . .  . ...  ... ..  ... ....  ... ...  ... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . ...  . .  . .....  .... ...  . .  .... ..  .... ...  .. ...  .. ....  .. .  .... ....  . .....  . ....  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  . ..  ..... ....  .... ....  .. ...  .... ..  . .....  . .....  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  .... ...", "ciphertext": ".... ....  .. ...  . .....  . .  .... ..  . ...  .. ...  .. ....  .... ....  . .....  . ...  .... ....  .... .....  .... ..  . .....  .... ...  .. ...  ... ....  .... .....  ... .  . ....  ... ..  . .  . ...  . .....  ... ..  .. ....  .... ...  .... .....  .... ...  . .....  .. ...  . .  .... ..  . ....  . .....  .... ..  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  ..... ..  ... ....  .... ..  . ....  .... ...  .. ...  . .....  ... .  ... .....  . ..  .... ..  . .....  . .  . ...  ... ..  ... ....  ... ...  ... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . ...  . .  . .....  .... ...  . .  .... ..  .... ...  .. ...  .. ....  .. .  .... ....  . .....  . ....  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  . ..  ..... ....  .... ....  .. ...  .... ..  . .....  . .....  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  .... ...", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 124, "length": 124, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "autokey-it-011", "text": "UQPTSKMBTUTBAEBLNZUXI", "ciphertext": "UQPTSKMBTUTBAEBLNZUXI", "plaintext": "SIAMO TUTTI FIGLI DI ROMA", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "it", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v3-0169", "text": "09908 09996 09993 09990 09999 09908 09908 09900 09993 09903 09994 09995 09993 09908 09908 09913 09907 09990 09919 09906 09995 09900 09999 09907 09908 09993 09992 09908 09996 09906 09993 09993 09992 09999 09913 09907 09999 09902 09992 09991 09903 09907 09908 09903 09910 09993 09906 09994 09997 09994 09908 09913 09908 09996 09903 09919 09907 09999 09902 09992 09991 09999 09907 09919 09999 09900 09908 09997 09993 09907 09908 09903 09908 09999 09900", "ciphertext": "09908 09996 09993 09990 09999 09908 09908 09900 09993 09903 09994 09995 09993 09908 09908 09913 09907 09990 09919 09906 09995 09900 09999 09907 09908 09993 09992 09908 09996 09906 09993 09993 09992 09999 09913 09907 09999 09902 09992 09991 09903 09907 09908 09903 09910 09993 09906 09994 09997 09994 09908 09913 09908 09996 09903 09919 09907 09999 09902 09992 09991 09999 09907 09919 09999 09900 09908 09997 09993 09907 09908 09903 09908 09999 09900", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 375, "length": 449, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017186", "text": "TWOSQ UAREC IPHEX ENCRZ PTSDI GRAPH SWITX TWOPO LYBIZ SALPH ABETX CRYPT OGRAX HYREX ARDSX ATIEN CEANZ CAREX ULTHX NKING ALANT URINZ BROKE ENIGM AWITZ CRIBZ ANDTH EBOMB EMACH INEHU MANRE ADABZ EOUTP UTSHX ULDSX OWALL REASO NINGZ TEPSX", "ciphertext": "TWOSQ UAREC IPHEX ENCRZ PTSDI GRAPH SWITX TWOPO LYBIZ SALPH ABETX CRYPT OGRAX HYREX ARDSX ATIEN CEANZ CAREX ULTHX NKING ALANT URINZ BROKE ENIGM AWITZ CRIBZ ANDTH EBOMB EMACH INEHU MANRE ADABZ EOUTP UTSHX ULDSX OWALL REASO NINGZ TEPSX", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 195, "length": 195, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0012844", "text": "L ─ K ┌· ┘· ┐· ⌒· ┌ L ⌐ X X· ┌· L X X· ─ r L ┌· K ⌐ Γ· ─ K ⌒· Γ· ─ ⌐ Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L", "ciphertext": "L ─ K ┌· ┘· ┐· ⌒· ┌ L ⌐ X X· ┌· L X X· ─ r L ┌· K ⌐ Γ· ─ K ⌒· Γ· ─ ⌐ Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 52, "length": 52, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0019447", "text": "⟨w08⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w32⟩ ⟨a19⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a07⟩ ⟨w28⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨a23⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩", "ciphertext": "⟨w08⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w32⟩ ⟨a19⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a07⟩ ⟨w28⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨a23⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING A STRONG CLAIM NEEDS STRONG EVIDENCE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 163, "length": 163, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "kryha-153", "text": "DPXSGZCDXAQDXCZTSXHZRTTRAHYTQCOGVWLV", "ciphertext": "DPXSGZCDXAQDXCZTSXHZRTTRAHYTQCOGVWLV", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "tap-code-039", "text": ".. ....   ... ...   .... ....   .. ...   . .....   . ..   . .....   .. ..   .. ....   ... ...   ... ...   .. ....   ... ...   .. ..   ..... ..   . .   .... ...   .... ....   .. ...   . .....   ..... ..   ... ....   .... ..   . ....   . .   ... ...   . ....   .... ....   .. ...   . .....   ..... ..   ... ....   .... ..   . ....   ..... ..   . .   .... ...   ..... ..   .. ....   .... ....   .. ...   .. ..   ... ....   . ....   . .   ... ...   . ....   .. .   .... .....   ... .   ... .   ... ....   .. .   .. ..   .... ..   . .   . ...   . .....", "ciphertext": ".. ....   ... ...   .... ....   .. ...   . .....   . ..   . .....   .. ..   .. ....   ... ...   ... ...   .. ....   ... ...   .. ..   ..... ..   . .   .... ...   .... ....   .. ...   . .....   ..... ..   ... ....   .... ..   . ....   . .   ... ...   . ....   .... ....   .. ...   . .....   ..... ..   ... ....   .... ..   . ....   ..... ..   . .   .... ...   ..... ..   .. ....   .... ....   .. ...   .. ..   ... ....   . ....   . .   ... ...   . ....   .. .   .... .....   ... .   ... .   ... ....   .. .   .. ..   .... ..   . .   . ...   . .....", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 318, "length": 547, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v3-0255", "text": "ESEQBSPUSDUKEVAPQBHHYBIGKLWHATCATSDBSBQEKCHAJBKEKMLQQAQQELKLNBNLPSUKAJUQSRAEKWBKSLNBWENA", "ciphertext": "ESEQBSPUSDUKEVAPQBHHYBIGKLWHATCATSDBSBQEKCHAJBKEKMLQQAQQELKLNBNLPSUKAJUQSRAEKWBKSLNBWENA", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021458", "text": "OROE VDHK URAK YVLK ARQO JGPC JQGE ZOGJ UWPY HNZD E", "ciphertext": "OROE VDHK URAK YVLK ARQO JGPC JQGE ZOGJ UWPY HNZD E", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0014321", "text": "1.4.8 7.6.6 11.3.5 14.4.8 16.6.3 11.5.2 18.3.7 3.1.10 15.5.8 5.3.7 2.3.4 6.1.7 9.4.6 13.1.2 5.6.5 10.4.2 19.1.3 5.1.7 15.3.2 10.1.1 20.3.2 14.2.9 7.2.7 14.6.7 11.1.4 15.4.4 10.6.8 17.6.6 20.4.6 15.1.6 12.4.1 3.1.4 11.5.1 1.5.7 7.2.10 6.4.5 19.2.7 5.1.10 19.3.10 12.2.10 6.3.7 5.1.4 14.4.2 10.6.2 3.6.10 7.5.10 8.5.10 17.5.3 11.2.6 14.3.1 2.2.9 13.1.4 13.4.1 8.1.9 13.3.7 11.6.5 10.4.3 2.3.3 4.2.4 2.5.9 18.6.6 15.5.10 6.4.7 15.5.8 7.5.1 14.5.4 4.5.5 6.6.5 3.6.4 6.3.6 20.4.6 1.1.4 14.2.8 7.2.3 12.5.8 5.3.4 2.1.1 2.4.8 10.2.5 5.5.6 3.4.5 10.3.4 13.3.2 10.4.6 6.6.8 2.2.7 19.4.10 18.1.2 16.5.6 15.2.4 13.2.4 1.3.1 8.4.7 8.2.10 9.3.3 17.4.8 2.5.5 17.3.1 18.1.10 19.5.5 16.2.10", "ciphertext": "1.4.8 7.6.6 11.3.5 14.4.8 16.6.3 11.5.2 18.3.7 3.1.10 15.5.8 5.3.7 2.3.4 6.1.7 9.4.6 13.1.2 5.6.5 10.4.2 19.1.3 5.1.7 15.3.2 10.1.1 20.3.2 14.2.9 7.2.7 14.6.7 11.1.4 15.4.4 10.6.8 17.6.6 20.4.6 15.1.6 12.4.1 3.1.4 11.5.1 1.5.7 7.2.10 6.4.5 19.2.7 5.1.10 19.3.10 12.2.10 6.3.7 5.1.4 14.4.2 10.6.2 3.6.10 7.5.10 8.5.10 17.5.3 11.2.6 14.3.1 2.2.9 13.1.4 13.4.1 8.1.9 13.3.7 11.6.5 10.4.3 2.3.3 4.2.4 2.5.9 18.6.6 15.5.10 6.4.7 15.5.8 7.5.1 14.5.4 4.5.5 6.6.5 3.6.4 6.3.6 20.4.6 1.1.4 14.2.8 7.2.3 12.5.8 5.3.4 2.1.1 2.4.8 10.2.5 5.5.6 3.4.5 10.3.4 13.3.2 10.4.6 6.6.8 2.2.7 19.4.10 18.1.2 16.5.6 15.2.4 13.2.4 1.3.1 8.4.7 8.2.10 9.3.3 17.4.8 2.5.5 17.3.1 18.1.10 19.5.5 16.2.10", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 101, "length": 101, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0022180", "text": "WRTIZKS ZMW GIRTIZKS UIVJFVMXRVH VCKLHV HRNKOV XRKSVIH GDL HJFZIV XRKSVI VMXIBKGH WRTIZKSH DRGS GDL KLOBYRFH ZOKSZYVGH GSV ERTVMVIV XRKSVI FHVH Z IVKVZGRMT PVBDLIW GSV GIRGSVNRFH XRKSVI ZWEZMXVH GSV ZOKSZYVG YB LMV KLHRGRLM VZXS OVGGVI", "ciphertext": "WRTIZKS ZMW GIRTIZKS UIVJFVMXRVH VCKLHV HRNKOV XRKSVIH GDL HJFZIV XRKSVI VMXIBKGH WRTIZKSH DRGS GDL KLOBYRFH ZOKSZYVGH GSV ERTVMVIV XRKSVI FHVH Z IVKVZGRMT PVBDLIW GSV GIRGSVNRFH XRKSVI ZWEZMXVH GSV ZOKSZYVG YB LMV KLHRGRLM VZXS OVGGVI", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE VIGENERE CIPHER USES A REPEATING KEYWORD THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 202, "length": 202, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v2-0299", "text": "5814 4427 4154 5397 4427 5488 5645 4298 4614 5488 5563 5645 4489 4489 4154 5488 4361 5397 4427 4154 4934 5488 4154 5397 4427 4934 4154 4361 4427 5060 4998 4154 4998 4361 5060 5645 5397 4871 4680 5563 5563 4871 4427 4871 4680 4489 4427 4680 5488 5397 5060 5645 4998 4361 4427 4361 5814 4680 5563 4614 4154 5488 4871 4427 4427 5166", "ciphertext": "5814 4427 4154 5397 4427 5488 5645 4298 4614 5488 5563 5645 4489 4489 4154 5488 4361 5397 4427 4154 4934 5488 4154 5397 4427 4934 4154 4361 4427 5060 4998 4154 4998 4361 5060 5645 5397 4871 4680 5563 5563 4871 4427 4871 4680 4489 4427 4680 5488 5397 5060 5645 4998 4361 4427 4361 5814 4680 5563 4614 4154 5488 4871 4427 4427 5166", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 264, "length": 329, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020782", "text": "06300 02590 01652 0336 06685 6293 4796 03472 01623 07862 1041 02884 5070 02520 1635 05697 1665 7555 06305 01571 4439 01296 05973 6370 2580 1668 3512 1629 07944 7237 02842 06359 02527 06371 02513 1574 5033 03860 00399 02893 04444 6339 01614 7582 06376 2841 6349 5980 01591 03793 1955 1905 00379 2889 3821 00992 03820 4808 5981 1621 1264 02916 5995 00347 5027 4725 05971 6291 06638 05727 01633 04468 04802 6280 00365 5983 03803 4738 02209 00382 4479", "ciphertext": "06300 02590 01652 0336 06685 6293 4796 03472 01623 07862 1041 02884 5070 02520 1635 05697 1665 7555 06305 01571 4439 01296 05973 6370 2580 1668 3512 1629 07944 7237 02842 06359 02527 06371 02513 1574 5033 03860 00399 02893 04444 6339 01614 7582 06376 2841 6349 5980 01591 03793 1955 1905 00379 2889 3821 00992 03820 4808 5981 1621 1264 02916 5995 00347 5027 4725 05971 6291 06638 05727 01633 04468 04802 6280 00365 5983 03803 4738 02209 00382 4479", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "autokey-091", "text": "YMWVPUPLLGPWKBXZWMFVXZWETFZAHPSXOPDXNEETEGACPOVRAKIFVUUTP", "ciphertext": "YMWVPUPLLGPWKBXZWMFVXZWETFZAHPSXOPDXNEETEGACPOVRAKIFVUUTP", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v3-0128", "text": "NUTSHWEIIHDSIWT", "ciphertext": "NUTSHWEIIHDSIWT", "plaintext": "THE WIND IS WITH US", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0333", "text": "JWZLKWRMVRYOMZNNCWFPYXJESR", "ciphertext": "JWZLKWRMVRYOMZNNCWFPYXJESR", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0773", "text": "YZZDLFWVKHINVZRWAVI", "ciphertext": "YZZDLFWVKHINVZRWAVI", "plaintext": "CODED MESSAGE FOLLOWS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ANCHOR"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-165", "text": "BBICRTHOHJRSFDPQDZAHMGVIVRVUVKTPKHWLJEFDGYSVFX", "ciphertext": "BBICRTHOHJRSFDPQDZAHMGVIVRVUVKTPKHWLJEFDGYSVFX", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "QWE"}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v2-0040", "text": "OASOTHIRHORSSLMERRFUNTDC", "ciphertext": "OASOTHIRHORSSLMERRFUNTDC", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0588", "text": "THMIDQZKGOPHPGRFGGZZIKMCJPNNAGVAOAWVXDOMWPGGZZIKGGWVGYHWGYFIAGMCTRZACYNGLMYKKZGRUUHV", "ciphertext": "THMIDQZKGOPHPGRFGGZZIKMCJPNNAGVAOAWVXDOMWPGGZZIKGGWVGYHWGYFIAGMCTRZACYNGLMYKKZGRUUHV", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-189", "text": "EMJEAJJTVRGQABGFAUAWH", "ciphertext": "EMJEAJJTVRGQABGFAUAWH", "plaintext": "SUPPLY LINE COMPROMISED", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v2-0550", "text": "COOCFUBYYDDSETOPZVLDGJSUOBVAPEWVNCRCIBCKPEQXSCPAKICZJSHYNKTZLJAL", "ciphertext": "COOCFUBYYDDSETOPZVLDGJSUOBVAPEWVNCRCIBCKPEQXSCPAKICZJSHYNKTZLJAL", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010026", "text": "TOAE USNE OLPP EPHN TIRN RRBU CAAE HHSL ESHL ACRS SBIC DTAF EEBS ESNI AWTS PHIT NRXC EHMX SPNI ITHL FEDE PISO EXPH GTTI EEFR TQOP TWTX OEEH UTRT EDRU SHLW HXSR LOTU STRI IEEE EHOX ISEU ITME EGGN SRSE DXTR TTOI ARNR RCIS SRFX IETS NOPT TAAI MTOE AX", "ciphertext": "TOAE USNE OLPP EPHN TIRN RRBU CAAE HHSL ESHL ACRS SBIC DTAF EEBS ESNI AWTS PHIT NRXC EHMX SPNI ITHL FEDE PISO EXPH GTTI EEFR TQOP TWTX OEEH UTRT EDRU SHLW HXSR LOTU STRI IEEE EHOX ISEU ITME EGGN SRSE DXTR TTOI ARNR RCIS SRFX IETS NOPT TAAI MTOE AX", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "scytale", "cipher": "scytale", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 198, "length": 198, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bazeries-105", "text": "KEVTBCHSEYSLLSKUAEQSBACNEBSRCTCTSMTIEBSLSKWEPI", "ciphertext": "KEVTBCHSEYSLLSKUAEQSBACNEBSRCTCTSMTIEBSLSKWEPI", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "joseon-yeokhak-079", "text": "UVWYPZVULYZAHRLU", "ciphertext": "UVWYPZVULYZAHRLU", "plaintext": "NO PRISONERS TAKEN", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v2-0738", "text": "NMZMWCTBSOAUGESRFFVYIBBLRBCNBBUOULEYJWLPVZBDGGEKMBHZMELWDNZTQWQGOKYEKKRBEBEYLCQBLCVLYQZZQKLSMXPUPLVPKGAKXQNOXULUNQSCEURQGRLVZKUBLPVCLBGFBMOKWRA", "ciphertext": "NMZMWCTBSOAUGESRFFVYIBBLRBCNBBUOULEYJWLPVZBDGGEKMBHZMELWDNZTQWQGOKYEKKRBEBEYLCQBLCVLYQZZQKLSMXPUPLVPKGAKXQNOXULUNQSCEURQGRLVZKUBLPVCLBGFBMOKWRA", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-217", "text": "GEEAKIRMIHVTEDEEYDPNMOEARERATYLGTRXIIHIXBVSCX", "ciphertext": "GEEAKIRMIHVTEDEEYDPNMOEARERATYLGTRXIIHIXBVSCX", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "intermediate", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v3-0372", "text": "PYPCQLXMDCXCABDQIGHCMHXWGALEBOOVWFWCHTDEGPXZPITLCPBLNJCEFZYMFPNONTJBHQHUXS", "ciphertext": "PYPCQLXMDCXCABDQIGHCMHXWGALEBOOVWFWCHTDEGPXZPITLCPBLNJCEFZYMFPNONTJBHQHUXS", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-032", "text": "AADXDADXGAAGGXDDXDDAFXAFFXGDFXGDGAAGDGFFGFFAAXDADADDDXXAFXXGGFXDDDXFDFXDAAXDAXAXXGDDDGAAGF", "ciphertext": "AADXDADXGAAGGXDDXDDAFXAFFXGDFXGDGAAGDGFFGFFAAXDADADDDXXAFXXGGFXDDDXFDFXDAAXDAXAXXGDDDGAAGF", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PRIVACY", "columnar": "GERMAN"}, "difficulty": "advanced", "language": "en", "text_length": 90, "length": 90, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v3-0339", "text": "GPURUJJAPRGOAJHMTXYU", "ciphertext": "GPURUJJAPRGOAJHMTXYU", "plaintext": "THE COMPASS POINTS TRUE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-255", "text": "TMYKJHGJAQPGANY", "ciphertext": "TMYKJHGJAQPGANY", "plaintext": "OPERATION BEGINS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 31}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018642", "text": "69 20 61 82 80 95 68 20 57 82 82 95 50 11 82 29 52 82 52 69 77 82 61 20 82 76 69 80 82 52 69 29 76 50 11 82 29 52 82 68 66 80 68 29 61 65 68 80 82 29 66 66 69 69 57 61 36 69 59 57 11 61 36 69 89 50 66 61 80 82 68 61 69 29 50 29 25 20 82 68 59 76 69 80 66 50 61 66 36 82 80 82 52 50 65 80 69 52 68 57 69 76 95 50 25 82 29 82 80 82 68 29 11 11 82 52 80 43 65 66 61 50 66 61 82 57 76 66 36 82 76 69 59 80 61 72 59 68 80 82 52 50 65 36 82 80 59 61 82 61 66 89 69 55 82 43 89 69 80 11 65 69 57 43 20 50 59 61 61 72 59 68 80 82 61", "ciphertext": "69 20 61 82 80 95 68 20 57 82 82 95 50 11 82 29 52 82 52 69 77 82 61 20 82 76 69 80 82 52 69 29 76 50 11 82 29 52 82 68 66 80 68 29 61 65 68 80 82 29 66 66 69 69 57 61 36 69 59 57 11 61 36 69 89 50 66 61 80 82 68 61 69 29 50 29 25 20 82 68 59 76 69 80 66 50 61 66 36 82 80 82 52 50 65 80 69 52 68 57 69 76 95 50 25 82 29 82 80 82 68 29 11 11 82 52 80 43 65 66 61 50 66 61 82 57 76 66 36 82 76 69 59 80 61 72 59 68 80 82 52 50 65 36 82 80 59 61 82 61 66 89 69 55 82 43 89 69 80 11 65 69 57 43 20 50 59 61 61 72 59 68 80 82 61", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0008846", "text": "GURX NFVF XVRK NZVA NGVB ASVA QFER CRNG RQGE VTEN ZFVA PVCU REGR KGPE LCGB TENC ULER JNEQ FCNG VRAP RNAQ PNER SHYG UVAX VATG UREN VYSR APRP VCUR EJEV GRFG RKGV ANMV TMNT CNGG REAO EHGR SBEP RJBE XFBA YLJU RAGU RXRL FCNP RVFF ZNYY", "ciphertext": "GURX NFVF XVRK NZVA NGVB ASVA QFER CRNG RQGE VTEN ZFVA PVCU REGR KGPE LCGB TENC ULER JNEQ FCNG VRAP RNAQ PNER SHYG UVAX VATG UREN VYSR APRP VCUR EJEV GRFG RKGV ANMV TMNT CNGG REAO EHGR SBEP RJBE XFBA YLJU RAGU RXRL FCNP RVFF ZNYY", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0005496", "text": "GSNCXSSEEXOLOLXLANSTOAATXFUOIXDRIPA", "ciphertext": "GSNCXSSEEXOLOLXLANSTOAATXFUOIXDRIPA", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "FREEDOM"}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "chaocipher-v3-0423", "text": "NOFQKBGFABMWUR", "ciphertext": "NOFQKBGFABMWUR", "plaintext": "MARCH TO VICTORY", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009040", "text": "B UTDSTQCUJOU VRTM TJRZME UKTX JVV WFBURSJOI SFUUGUS XPTGX IFNS GSFCN RPOQDQQICEJUJE VZCTVLYVUKRS", "ciphertext": "B UTDSTQCUJOU VRTM TJRZME UKTX JVV WFBURSJOI SFUUGUS XPTGX IFNS GSFCN RPOQDQQICEJUJE VZCTVLYVUKRS", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "11235"}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "monoalphabetic-v3-0227", "text": "TCO DIACOJEST SUAAOOGS", "ciphertext": "TCO DIACOJEST SUAAOOGS", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021365", "text": "11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54", "ciphertext": "11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "bifid-v3-0020", "text": "FAGMPAUKKXOD", "ciphertext": "FAGMPAUKKXOD", "plaintext": "GOLD FROM LEAD", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0286", "text": "GUDCJPJOFDDEMRPBPMAHRTDPOXMYWIEPARLSEGHQZQPULDRHBGWFSGERZPTWYKXLBWHMSNQTTAFY", "ciphertext": "GUDCJPJOFDDEMRPBPMAHRTDPOXMYWIEPARLSEGHQZQPULDRHBGWFSGERZPTWYKXLBWHMSNQTTAFY", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-061", "text": "WAAWFJEZGVXL", "ciphertext": "WAAWFJEZGVXL", "plaintext": "ATTACK AT DAWN", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 7}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v2-0265", "text": "ABBGSTJAYKTHD", "ciphertext": "ABBGSTJAYKTHD", "plaintext": "STAY THE COURSE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012455", "text": "5.4.7 5.3.9 19.4.1 17.4.10 19.2.8 8.4.2 11.1.2 3.3.10 19.3.10 1.6.9 17.4.10 9.2.7 8.3.5 9.1.7 15.6.2 15.2.10 4.2.3 11.4.5 13.6.7 11.1.1 1.6.4 9.3.2 20.5.9 6.2.2 11.4.1 2.3.2 12.1.7 19.4.4 6.3.10 19.1.6 7.3.2 14.5.5 18.2.7 2.1.4 16.1.5 11.5.8 1.3.3 1.2.6 8.4.9 20.3.7 1.1.6 7.1.3 13.4.4 16.2.7 2.6.10 18.1.6 19.3.2 12.4.5 20.5.3 6.6.5 14.2.7 20.5.5 5.2.1 13.3.9 7.4.8 4.1.1 12.1.9 14.6.1 1.3.7 12.2.5 9.5.6 20.5.9 20.6.4 19.3.1 20.5.8 10.4.5 15.1.7 20.6.7 7.3.4 2.1.1 10.1.4 3.6.9 4.5.6 5.5.3 5.1.9 19.4.7 12.3.4 16.1.6 5.2.8 14.6.2 18.2.3 7.6.9 8.3.5 19.6.3 9.1.3 13.2.3 11.2.1 2.3.4 16.3.3 15.5.1 11.6.2 1.6.5 16.5.9 4.5.10 6.1.7 20.3.5 7.6.4 11.2.9 3.2.10 11.3.5 4.6.7 1.1.3 14.6.8 19.2.9 4.6.4 16.4.2 12.4.5 2.3.7 8.2.4 11.3.3 8.3.10 3.3.5 18.1.4 19.2.6 18.2.3 7.2.1 5.4.3 7.4.1 12.1.5 6.4.1 6.4.10 11.2.6 16.4.6 8.3.8 10.6.3 13.5.6 8.1.6", "ciphertext": "5.4.7 5.3.9 19.4.1 17.4.10 19.2.8 8.4.2 11.1.2 3.3.10 19.3.10 1.6.9 17.4.10 9.2.7 8.3.5 9.1.7 15.6.2 15.2.10 4.2.3 11.4.5 13.6.7 11.1.1 1.6.4 9.3.2 20.5.9 6.2.2 11.4.1 2.3.2 12.1.7 19.4.4 6.3.10 19.1.6 7.3.2 14.5.5 18.2.7 2.1.4 16.1.5 11.5.8 1.3.3 1.2.6 8.4.9 20.3.7 1.1.6 7.1.3 13.4.4 16.2.7 2.6.10 18.1.6 19.3.2 12.4.5 20.5.3 6.6.5 14.2.7 20.5.5 5.2.1 13.3.9 7.4.8 4.1.1 12.1.9 14.6.1 1.3.7 12.2.5 9.5.6 20.5.9 20.6.4 19.3.1 20.5.8 10.4.5 15.1.7 20.6.7 7.3.4 2.1.1 10.1.4 3.6.9 4.5.6 5.5.3 5.1.9 19.4.7 12.3.4 16.1.6 5.2.8 14.6.2 18.2.3 7.6.9 8.3.5 19.6.3 9.1.3 13.2.3 11.2.1 2.3.4 16.3.3 15.5.1 11.6.2 1.6.5 16.5.9 4.5.10 6.1.7 20.3.5 7.6.4 11.2.9 3.2.10 11.3.5 4.6.7 1.1.3 14.6.8 19.2.9 4.6.4 16.4.2 12.4.5 2.3.7 8.2.4 11.3.3 8.3.10 3.3.5 18.1.4 19.2.6 18.2.3 7.2.1 5.4.3 7.4.1 12.1.5 6.4.1 6.4.10 11.2.6 16.4.6 8.3.8 10.6.3 13.5.6 8.1.6", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 127, "length": 127, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0010042", "text": "OZBR RYQO APYN FEWS LCNG FSEA FOHF WGPO AOZG BOSJ EABT SEVS RAOA SFGW AOGS QXSM YRAT GVNE BZFG OHVF GVQE HENA FCAG VGWB AQWC USEF DSOE ENAU SYRG GSDG JVGU BGHF HPFG WHHG WBA", "ciphertext": "OZBR RYQO APYN FEWS LCNG FSEA FOHF WGPO AOZG BOSJ EABT SEVS RAOA SFGW AOGS QXSM YRAT GVNE BZFG OHVF GVQE HENA FCAG VGWB AQWC USEF DSOE ENAU SYRG GSDG JVGU BGHF HPFG WHHG WBA", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "caesar-v2-0777", "text": "UXYG DRICOVP", "ciphertext": "UXYG DRICOVP", "plaintext": "KNOW THYSELF", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 10}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002093", "text": "ADSHT DNKIS IEAIE TBSNB CEBNG ESTEG BASYT TIPFC LOAVT HRHEE EHETR AIETS EAVNC ELDTE MMSAR UEPRO", "ciphertext": "ADSHT DNKIS IEAIE TBSNB CEBNG ESTEG BASYT TIPFC LOAVT HRHEE EHETR AIETS EAVNC ELDTE MMSAR UEPRO", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 10}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "trifid-v3-0506", "text": "TDLDUPDGOKXQ+VQNTEG+XTDFPJWGXOBADURBKCNMUFTAMBAHATFSUNA+EFGXABSXEPIKONASQBFULU", "ciphertext": "TDLDUPDGOKXQ+VQNTEG+XTDFPJWGXOBADURBKCNMUFTAMBAHATFSUNA+EFGXABSXEPIKONASQBFULU", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0129", "text": "L5 O1 G3 O7 Y6 G7 K2 S0 C6 E6 N9", "ciphertext": "L5 O1 G3 O7 Y6 G7 K2 S0 C6 E6 N9", "plaintext": "HOLD THE LINE", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003253", "text": "WCLU FXYS IFWJ WFVB VKWY BYTV SWFJ XWYR FBKF CZFU WYXS VUUF WTXV WFNL DDQ", "ciphertext": "WCLU FXYS IFWJ WFVB VKWY BYTV SWFJ XWYR FBKF CZFU WYXS VUUF WTXV WFNL DDQ", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN CAREFULLY", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "VRXBFNKIYEODZTCSMWJULHPGQA"}, "difficulty": "medium", "language": "en", "text_length": 59, "length": 59, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "trifid-v2-0545", "text": "ICYLUUFKLUJPMJSUPEKOMMEJTBGNL+EZN+TTENHEDJKGL+GOU", "ciphertext": "ICYLUUFKLUJPMJSUPEKOMMEJTBGNL+EZN+TTENHEDJKGL+GOU", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022054", "text": "KZGG VIMD LIWH SVOK YIVZ PNLM LZOK SZYV GRXH FYHG RGFG RLMK VVII VERV DZMW IVKI LWFX RYRO RGBN ZGGV IRMI VHVZ IXSK LOBY RFHV MXLW VWOV GGVI HZHK ZRIH LUMF NYVI HUIL NLMV GLUR EV", "ciphertext": "KZGG VIMD LIWH SVOK YIVZ PNLM LZOK SZYV GRXH FYHG RGFG RLMK VVII VERV DZMW IVKI LWFX RYRO RGBN ZGGV IRMI VHVZ IXSK LOBY RFHV MXLW VWOV GGVI HZHK ZRIH LUMF NYVI HUIL NLMV GLUR EV", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 142, "length": 142, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "vic-218", "text": "831859384080302898685930885180218185884590285128990820830959085922790858895215195785181842790", "ciphertext": "831859384080302898685930885180218185884590285128990820830959085922790858895215195785181842790", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "advanced", "language": "en", "text_length": 93, "length": 93, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-v3-0149", "text": "8528 8603 7467 7194 7974 8206 8100 8854 7467 8437 8603 8437 7194 8038 8528 7529 8100 8437 7974 8528", "ciphertext": "8528 8603 7467 7194 7974 8206 8100 8854 7467 8437 8603 8437 7194 8038 8528 7529 8100 8437 7974 8528", "plaintext": "STEAM POWER TRANSFORMS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1291", "text": "CSAWMPRVJZJW", "ciphertext": "CSAWMPRVJZJW", "plaintext": "VENI VIDI VICI", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HONOR"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0051", "text": "RJEKQTTKPJCQMYZTDFMKZJNZCRHBXHISZLZNNETRQXJPJXMDOQYMCFKVISJLLRXQAEAIXVHKYNEACMT", "ciphertext": "RJEKQTTKPJCQMYZTDFMKZJNZCRHBXHISZLZNNETRQXJPJXMDOQYMCFKVISJLLRXQAEAIXVHKYNEACMT", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-de-051", "text": "MMXUOFOUTUXRTHJYPRIM", "ciphertext": "MMXUOFOUTUXRTHJYPRIM", "plaintext": "KEIN KOMMENTAR ZUR LAGE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "de", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v3-0469", "text": "XESMWZITSHUDGSKIAGFYITGKSMPRSAGLSTORRQTPDQMYDMCNEUTUSMSSCSBSQDITADCQFDQDOMDMFMDTFRKNITGSRLICFLBSCBNRKURLBLRQCSRTSMIZCIZCQILOKQFCYDGBCSNBLSKUDNCLKKHQQAEKREHUELLCQX", "ciphertext": "XESMWZITSHUDGSKIAGFYITGKSMPRSAGLSTORRQTPDQMYDMCNEUTUSMSSCSBSQDITADCQFDQDOMDMFMDTFRKNITGSRLICFLBSCBNRKURLBLRQCSRTSMIZCIZCQILOKQFCYDGBCSNBLSKUDNCLKKHQQAEKREHUELLCQX", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 162, "length": 162, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0142", "text": "CTUNMCSTEAWEEECUIOR", "ciphertext": "CTUNMCSTEAWEEECUIOR", "plaintext": "MEASURE TWICE CUT ONCE", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0063", "text": "PPXRUNRLGQTBZSWHNZGC", "ciphertext": "PPXRUNRLGQTBZSWHNZGC", "plaintext": "THE KING DEMANDS FEALTY", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-040", "text": "OMKQIXGCBQBSBBVERRDFNQGUFHCLQUKWGIJPIXBHCNAMPGGR", "ciphertext": "OMKQIXGCBQBSBBVERRDFNQGUFHCLQUKWGIJPIXBHCNAMPGGR", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "PURPLE"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v3-0175", "text": "JYPUFEXWFOOOOGEFTHHFQVNGZCWEPZKTWFROWJYNGBHGXSGSQRKWRXFWRYSIEMAAIVRFIAUKVMR", "ciphertext": "JYPUFEXWFOOOOGEFTHHFQVNGZCWEPZKTWFROWJYNGBHGXSGSQRKWRXFWRYSIEMAAIVRFIAUKVMR", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0107", "text": "IWOLIOFQFBDBUZGLEWPLPOL", "ciphertext": "IWOLIOFQFBDBUZGLEWPLPOL", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0396", "text": "UMCXXCDUIKBDJQDTNQLBDHNZFKDMTJRZOFJOAGZXMFDGEQKCZTNCKKCNUHFXBBDCALKOHOYGAD", "ciphertext": "UMCXXCDUIKBDJQDTNQLBDHNZFKDMTJRZOFJOAGZXMFDGEQKCZTNCKKCNUHFXBBDCALKOHOYGAD", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-108", "text": "RKDCSLVCXXREIINRGEXRSNYFOEXLNBHRYBRFEZUOUFUABNDZRHUMUPAX", "ciphertext": "RKDCSLVCXXREIINRGEXRSNYFOEXLNBHRYBRFEZUOUFUABNDZRHUMUPAX", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-290", "text": "MHCIGNTRYSDGOAKVVVDHMATUGNNNIQVCMHOKDMXYVVQSNUDWBBPSRFIF", "ciphertext": "MHCIGNTRYSDGOAKVVVDHMATUGNNNIQVCMHOKDMXYVVQSNUDWBBPSRFIF", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 5, "c": 2, "d": 3}, "difficulty": "advanced", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "solitaire-v2-0233", "text": "JTDRUIWEVPNQTBHOGWMTIHWFSDPJSICXNALUDQKXRQRLDGOQGTSPKSPUOBWGZDKLFCRQIDSDFKZLKUFFGSNJLQBDFHAXIDLBOQBWCQKNJLIRZRZAEHXSTXSIXSBZENLSSZMBWJCVXYTHNFK", "ciphertext": "JTDRUIWEVPNQTBHOGWMTIHWFSDPJSICXNALUDQKXRQRLDGOQGTSPKSPUOBWGZDKLFCRQIDSDFKZLKUFFGSNJLQBDFHAXIDLBOQBWCQKNJLIRZRZAEHXSTXSIXSBZENLSSZMBWJCVXYTHNFK", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0252", "text": "DABKFRLYNCKLTY", "ciphertext": "DABKFRLYNCKLTY", "plaintext": "AWAIT MY SIGNAL", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0283", "text": "MKQNLVREEJGD", "ciphertext": "MKQNLVREEJGD", "plaintext": "VENI VIDI VICI", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022084", "text": "HFYHG RGFGR LMXRK SVIHN ZKVZX SOVGG VIGLZ WRUUV IVMGO VGGVI", "ciphertext": "HFYHG RGFGR LMXRK SVIHN ZKVZX SOVGG VIGLZ WRUUV IVMGO VGGVI", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "caesar-v2-0633", "text": "QXUM CQN URWN", "ciphertext": "QXUM CQN URWN", "plaintext": "HOLD THE LINE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 9}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0159", "text": "7194 8038 8038 8685 7720 8603 7338 8100 7467 8206 8603 7720 8528", "ciphertext": "7194 8038 8038 8685 7720 8603 7338 8100 7467 8206 8603 7720 8528", "plaintext": "ANNUIT COEPTIS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 52, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0375", "text": "JWJPQIZHPSRCHIRCDYZYSCTLDUTLHGRCZMFITZXJBXZMJJYHLOZUPSPDAELHPSPDYHIATLDUWYGVFRDYSGFRFQFINUJJWYYHHDZSRGLJDFLMZMVAECYHSIIXIABMDAGSYHBXNVCSFFBXPKYCRTVPJWZHGQANRPTLECUJ", "ciphertext": "JWJPQIZHPSRCHIRCDYZYSCTLDUTLHGRCZMFITZXJBXZMJJYHLOZUPSPDAELHPSPDYHIATLDUWYGVFRDYSGFRFQFINUJJWYYHHDZSRGLJDFLMZMVAECYHSIIXIABMDAGSYHBXNVCSFFBXPKYCRTVPJWZHGQANRPTLECUJ", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006659", "text": "CBYL PWHF SANB QNRY RGGN EFOF CONE FBSA HZPS EFTE BZBA SGBT VISO FQLG OYRW FOEB QHFN RPLF COEG OAFG BRAQ ELCG ZSFF OTRF EBHG RQVC VREF ENON OUEV RVAO CESF NEVP SNTS BZSG EWPC OGGS EA", "ciphertext": "CBYL PWHF SANB QNRY RGGN EFOF CONE FBSA HZPS EFTE BZBA SGBT VISO FQLG OYRW FOEB QHFN RPLF COEG OAFG BRAQ ELCG ZSFF OTRF EBHG RQVC VREF ENON OUEV RVAO CESF NEVP SNTS BZSG EWPC OGGS EA", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 146, "length": 146, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "affine-411", "text": "IHYEZKTSK AO PYEKX UHT AHBYXQUFAYH AO FJK IKM FY NACFYXM AH UHM CYHBZACF", "ciphertext": "IHYEZKTSK AO PYEKX UHT AHBYXQUFAYH AO FJK IKM FY NACFYXM AH UHM CYHBZACF", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 17, "b": 20}, "difficulty": "beginner", "language": "en", "text_length": 60, "length": 72, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v3-0435", "text": "GOWNTIFECXYQVDNLGMLD", "ciphertext": "GOWNTIFECXYQVDNLGMLD", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0566", "text": "CQN OJLCXAH AXJAB", "ciphertext": "CQN OJLCXAH AXJAB", "plaintext": "THE FACTORY ROARS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 9}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0709", "text": "GNMHMYVLJMPGMRIPAMUWSNGTCUTYBXTNMUWTNMVULNGQNMFWUSKNWGWKFUEWMEPNINYYFSGQWVMWYYF", "ciphertext": "GNMHMYVLJMPGMRIPAMUWSNGTCUTYBXTNMUWTNMVULNGQNMFWUSKNWGWKFUEWMEPNINYYFSGQWVMWYYF", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PAPAL"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0123", "text": "I3 M4 D5 B6 C7 V8 L1 P0 R0 H1 F6 E1 M9 H5 V8 E0 D5 J0 N3 M9", "ciphertext": "I3 M4 D5 B6 C7 V8 L1 P0 R0 H1 F6 E1 M9 H5 V8 E0 D5 J0 N3 M9", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0113", "text": "UGLHTODAOTMLALLPIELEMOFCOMORNICAQNONNPUGATMHUALPKHQHINDLUNOLEIINULMBHEUAWTCTCXMUPQLPMZIMATELWLOTSSCDCUELPHULDARLNOUGLUEIINSGUAQUCOTLXLHEOTSSCDCUDEZBOTCKINDLKGUAHTSAIUGZQMCAPFONCEPTSX", "ciphertext": "UGLHTODAOTMLALLPIELEMOFCOMORNICAQNONNPUGATMHUALPKHQHINDLUNOLEIINULMBHEUAWTCTCXMUPQLPMZIMATELWLOTSSCDCUELPHULDARLNOUGLUEIINSGUAQUCOTLXLHEOTSSCDCUDEZBOTCKINDLKGUAHTSAIUGZQMCAPFONCEPTSX", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0093", "text": "HATLNTTONTIALNPEIESERUEMEMMWACNPFNPISDRIICOSROEEDYETRTEGAUTHOGCEVDSOTKNBIRWDASLOAH", "ciphertext": "HATLNTTONTIALNPEIESERUEMEMMWACNPFNPISDRIICOSROEEDYETRTEGAUTHOGCEVDSOTKNBIRWDASLOAH", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-v2-0059", "text": "WF UKEQR MQPRE AA HWU SWTWCAP YMD XG VLFRS NRQSF BB IXV DTHYEKE FRPWQHX GUL RX ETR TXUCVL", "ciphertext": "WF UKEQR MQPRE AA HWU SWTWCAP YMD XG VLFRS NRQSF BB IXV DTHYEKE FRPWQHX GUL RX ETR TXUCVL", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 72, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v3-0327", "text": "TNSHEXXSIXXEGXXEBXXEGXXI", "ciphertext": "TNSHEXXSIXXEGXXEBXXEGXXI", "plaintext": "THE SIEGE BEGINS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-040", "text": "M7 S5 N2 D5 W4 D8 V3 Q2 S9 Z3 I8 N5 K7 V9 O0 H5 S5 F9 C5 W4 I5 E9 Z7 H1 V5 D0 C6 T3 G9 H1 E9 U5 K1 D8 D0 S1 B6 P3 O2 K8 O1 H4 W7 B2 D0 C6 N8 W7", "ciphertext": "M7 S5 N2 D5 W4 D8 V3 Q2 S9 Z3 I8 N5 K7 V9 O0 H5 S5 F9 C5 W4 I5 E9 Z7 H1 V5 D0 C6 T3 G9 H1 E9 U5 K1 D8 D0 S1 B6 P3 O2 K8 O1 H4 W7 B2 D0 C6 N8 W7", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COPIALE"}, "difficulty": "advanced", "language": "en", "text_length": 96, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v2-0011", "text": "42062414209717286122", "ciphertext": "42062414209717286122", "plaintext": "TARGET ACQUIRED", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0243", "text": "21244 21232 21239 21235 21240 21240 21246 21239 21230 21235 21246 21246 21243", "ciphertext": "21244 21232 21239 21235 21240 21240 21246 21239 21230 21235 21246 21246 21243", "plaintext": "THE APPLE FALLS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 65, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-055", "text": "AWDVKQQABUTRASADGLXORDWIESRLYMJHFTNQQWAKIZDRJMFQBUPGI+BZUXEH", "ciphertext": "AWDVKQQABUTRASADGLXORDWIESRLYMJHFTNQQWAKIZDRJMFQBUPGI+BZUXEH", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FELIX"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v3-0217", "text": "OKEZABLBYOCSBWRL", "ciphertext": "OKEZABLBYOCSBWRL", "plaintext": "RENDER UNTO CAESAR", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0784", "text": "YZIQOLWFPEOAQAYPW", "ciphertext": "YZIQOLWFPEOAQAYPW", "plaintext": "COURAGE IN DARKNESS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ANCHOR"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0728", "text": "IF ICROQTO AUCDFKT IO NOUNIO VOQS UK FVOKCQ JOCIIOUQ OT NIUS GUSTO NLUQ TLUS IOS BLJJOS ICRQOS", "ciphertext": "IF ICROQTO AUCDFKT IO NOUNIO VOQS UK FVOKCQ JOCIIOUQ OT NIUS GUSTO NLUQ TLUS IOS BLJJOS ICRQOS", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012161", "text": "15.3.8 8.1.9 14.6.10 9.6.5 20.4.6 8.6.9 9.3.3 2.2.10 8.2.9 14.6.10 9.6.7 19.2.5 6.3.10 15.6.7 1.4.1 3.6.3 6.6.1 2.3.7 14.4.4 20.1.10 12.1.6 8.5.1 10.2.4 14.4.9 5.6.1 17.2.1 12.3.3 12.1.6 15.1.9 17.2.9 4.2.6 2.3.5 3.6.10 8.2.5 15.5.7 5.2.9 9.1.6 5.6.4 20.1.6 20.5.4", "ciphertext": "15.3.8 8.1.9 14.6.10 9.6.5 20.4.6 8.6.9 9.3.3 2.2.10 8.2.9 14.6.10 9.6.7 19.2.5 6.3.10 15.6.7 1.4.1 3.6.3 6.6.1 2.3.7 14.4.4 20.1.10 12.1.6 8.5.1 10.2.4 14.4.9 5.6.1 17.2.1 12.3.3 12.1.6 15.1.9 17.2.9 4.2.6 2.3.5 3.6.10 8.2.5 15.5.7 5.2.9 9.1.6 5.6.4 20.1.6 20.5.4", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "diana-v2-0483", "text": "SBXNNNQZEOLVLNABNTOLFTTNMJAQXVHRYLNUETRMFHJEPAEAGLRKWWPTUUPLKPULQIAAGWXWPEEQJXQIXNCU", "ciphertext": "SBXNNNQZEOLVLNABNTOLFTTNMJAQXVHRYLNUETRMFHJEPAEAGLRKWWPTUUPLKPULQIAAGWXWPEEQJXQIXNCU", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-221", "text": "ULSEBDHOULCBECWHMEGBJWUFZBVMKEGLOEECOVKLLFWUFZB", "ciphertext": "ULSEBDHOULCBECWHMEGBJWUFZBVMKEGLOEECOVKLLFWUFZB", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PORTAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020586", "text": "25 88 48 40 23 43 11 82 24 33 78 82 50 17 93 52 62 22 70 67 32 60 81 45 91 11 23 87 14 58 48", "ciphertext": "25 88 48 40 23 43 11 82 24 33 78 82 50 17 93 52 62 22 70 67 32 60 81 45 91 11 23 87 14 58 48", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 31, "length": 31, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "m209-283", "text": "JWZOHVBSCLQFRWOEUJSPLPKXNMTBRCDGYNUQZDMNUALVKAN", "ciphertext": "JWZOHVBSCLQFRWOEUJSPLPKXNMTBRCDGYNUQZDMNUALVKAN", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ENIGMA"}, "difficulty": "expert", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018769", "text": "⌐ ┌ ┘· Γ L └ r ⌐ ─ r └ ⌐ X X Γ· ⌐· ⌒· ┐· ⌐ K K L ┌· ─ X ¬ X· K Γ· K r ⌐ ─ ⌐ └ X ┘· ¬ L ⌒ ┌· ┘· ─ ¬· ⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L", "ciphertext": "⌐ ┌ ┘· Γ L └ r ⌐ ─ r └ ⌐ X X Γ· ⌐· ⌒· ┐· ⌐ K K L ┌· ─ X ¬ X· K Γ· K r ⌐ ─ ⌐ └ X ┘· ¬ L ⌒ ┌· ┘· ─ ¬· ⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 30, "length": 30, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "nihilist-v3-0044", "text": "65 37 59 86 25 46 34 64 56 98 25 57 63 43 95 59 56", "ciphertext": "65 37 59 86 25 46 34 64 56 98 25 57 63 43 95 59 56", "plaintext": "THE RAILWAY ARRIVES", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 34, "length": 50, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-045", "text": "EHIWYDEPIUCWYLEGRUGIDXCCUYWPQYRIGCEIWJOJLUTSYQ", "ciphertext": "EHIWYDEPIUCWYLEGRUGIDXCCUYWPQYRIGCEIWJOJLUTSYQ", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYORED"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v3-0115", "text": "GHFTGAOZRSZD", "ciphertext": "GHFTGAOZRSZD", "plaintext": "GOLD FROM LEAD", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0388", "text": "SICUTPATAGCHSSHHDEUSBMCGSX", "ciphertext": "SICUTPATAGCHSSHHDEUSBMCGSX", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-100", "text": "78 19 76 70 11 54 10 28 89 42 45 31 69 46 24 70 30 77 19 27 47 45 30 58 11 66 88 17 19 76 70 27 54 10 46 30 29 19 87 58 72 53 87 30 66 62 19 53", "ciphertext": "78 19 76 70 11 54 10 28 89 42 45 31 69 46 24 70 30 77 19 27 47 45 30 58 11 66 88 17 19 76 70 27 54 10 46 30 29 19 87 58 72 53 87 30 66 62 19 53", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 96, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v2-0095", "text": "GXFRKVKIROAUCEPKTBOCWGAONQKFQNYDBKSLGXJTMWOLKPWHTBABVRVVMZMFTXXIAPNHLNZBPLHURNZDCT", "ciphertext": "GXFRKVKIROAUCEPKTBOCWGAONQKFQNYDBKSLGXJTMWOLKPWHTBABVRVVMZMFTXXIAPNHLNZBPLHURNZDCT", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0411", "text": "MTSOOGKBJYNEVWQCSWMHZRHVTBXBFLWTTXJWWEPNNRBZIIFMYXAMWJKIJICXZUDETIXUESYGIJRXNRYFSKBKRTMWCJSEWUJFICWJDJFNTGISOKZKVLEBBTUAYHWWRPVXJXKDJLQSLAITACDISYDOGUVPFZCSKNDUMMBOVWIKWX", "ciphertext": "MTSOOGKBJYNEVWQCSWMHZRHVTBXBFLWTTXJWWEPNNRBZIIFMYXAMWJKIJICXZUDETIXUESYGIJRXNRYFSKBKRTMWCJSEWUJFICWJDJFNTGISOKZKVLEBBTUAYHWWRPVXJXKDJLQSLAITACDISYDOGUVPFZCSKNDUMMBOVWIKWX", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020486", "text": "CHEOL YTEDY OKALC HEOLY TAIIN CHEDY CHORY TEDYS HEDYL KAIIN SHORO KEEDY RCHEO LYTED YYTED YOTED YSHAI INOTA IINQO KEDYY KCHEO LCHEO LQOKE EDYQO KEEDY CHORQ OKEED YSHOR CHOLS HARAL CHORK AIIIN AIIIN OTEDY OTOLC HEDAL SHORS HEDYS HEOLC HOLDA IINSH ORDAR ALSHA LYPCH OLOTA INCHO LDAII NOKAL OTAII NYTED YYKCH EOLRA IINOT AINSH ALYTA IINCT AIINS HAIIN SHEOL YPCHO L", "ciphertext": "CHEOL YTEDY OKALC HEOLY TAIIN CHEDY CHORY TEDYS HEDYL KAIIN SHORO KEEDY RCHEO LYTED YYTED YOTED YSHAI INOTA IINQO KEDYY KCHEO LCHEO LQOKE EDYQO KEEDY CHORQ OKEED YSHOR CHOLS HARAL CHORK AIIIN AIIIN OTEDY OTOLC HEDAL SHORS HEDYS HEOLC HOLDA IINSH ORDAR ALSHA LYPCH OLOTA INCHO LDAII NOKAL OTAII NYTED YYKCH EOLRA IINOT AINSH ALYTA IINCT AIINS HAIIN SHEOL YPCHO L", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 301, "length": 301, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "playfair-v3-0529", "text": "UHCTPOVAOHIGARIOLDGATCOCICCOANEFOEEOETCUUBAQSAGDGAGTWPEDNFDULUBHEVKEABSCZY", "ciphertext": "UHCTPOVAOHIGARIOLDGATCOCICCOANEFOEEOETCUUBAQSAGDGAGTWPEDNFDULUBHEVKEABSCZY", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006447", "text": "WEDSHKQR IYOEZIZ DIUUILR PR WPKLR EN YQCHILR NLEC EYI UE NKXI UJI GPRKRGK IMPCKYPUKEY NKYZR LIWIPUIZ ULKFLPCR KY OKWJILUIMU P ROSUPDI KR P LEZ QRIZ HS RWPLUPYR UE IYOLSWU CIRRPFIR CEZILY IYOLSWUKEY KR YEU HLEGIY HS DIUUIL NLIVQIYOS OILUPKYDS", "ciphertext": "WEDSHKQR IYOEZIZ DIUUILR PR WPKLR EN YQCHILR NLEC EYI UE NKXI UJI GPRKRGK IMPCKYPUKEY NKYZR LIWIPUIZ ULKFLPCR KY OKWJILUIMU P ROSUPDI KR P LEZ QRIZ HS RWPLUPYR UE IYOLSWU CIRRPFIR CEZILY IYOLSWUKEY KR YEU HLEGIY HS DIUUIL NLIVQIYOS OILUPKYDS", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CERTAINLY", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "PHOZINFJKBGDCYEWVLRUQXTMSA"}, "difficulty": "hard", "language": "en", "text_length": 203, "length": 203, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "jn25-v2-0193", "text": "09997 09902 09908 09996 09993 09990 09993 09995 09997 09902 09902 09997 09902 09995 09995 09903 09992 09991 09906 09993 09999 09908 09993 09992 09908 09996 09993 09996 09993 09999 09910 09993 09902 09999 09902 09992 09908 09996 09993 09993 09999 09906 09908 09996 09999 09902 09992 09992 09999 09906 09909 09902 09993 09907 09907 09911 09999 09907 09919 09904 09903 09902 09908 09996 09993 09994 09999 09991 09993 09903 09994 09992 09993 09993 09904", "ciphertext": "09997 09902 09908 09996 09993 09990 09993 09995 09997 09902 09902 09997 09902 09995 09995 09903 09992 09991 09906 09993 09999 09908 09993 09992 09908 09996 09993 09996 09993 09999 09910 09993 09902 09999 09902 09992 09908 09996 09993 09993 09999 09906 09908 09996 09999 09902 09992 09992 09999 09906 09909 09902 09993 09907 09907 09911 09999 09907 09919 09904 09903 09902 09908 09996 09993 09994 09999 09991 09993 09903 09994 09992 09993 09993 09904", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 375, "length": 449, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-133", "text": "22349 22358 22349 22357 22369 22340 22359 22352 22347 22349 22353 22358 22349 22345 22352", "ciphertext": "22349 22358 22349 22357 22369 22340 22359 22352 22347 22349 22353 22358 22349 22345 22352", "plaintext": "ENEMY FORCES NEAR", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "12345"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 89, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v3-0281", "text": "XHWNNMVETYISPKZCWCCHOXFIZITUSYDEFCQFRSAPGYBIYZOFCQIDPLFLZYCXNXROAVQQDZGEINXVGF", "ciphertext": "XHWNNMVETYISPKZCWCCHOXFIZITUSYDEFCQFRSAPGYBIYZOFCQIDPLFLZYCXNXROAVQQDZGEINXVGF", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0023", "text": "FDUALELHSAALI", "ciphertext": "FDUALELHSAALI", "plaintext": "FULL SAIL AHEAD", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-160", "text": "OGSYAJKPSEHFHMBFSAYIRSSZFHCUDUGIZXCASGTFOTIO+SPU", "ciphertext": "OGSYAJKPSEHFHMBFSAYIRSSZFHCUDUGIZXCASGTFOTIO+SPU", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "solitaire-v2-0227", "text": "HJDTUIPYRCDHCBDKEJMLZCZDVLZDGENDWNLLFGJJJREZTHABNNOAJKUGZUAFQBVGDNDKHVQCHJTUZ", "ciphertext": "HJDTUIPYRCDHCBDKEJMLZCZDVLZDGENDWNLLFGJJJREZTHABNNOAJKUGZUAFQBVGDNDKHVQCHJTUZ", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0264", "text": "CSLOMOGSHRVNBXACSRRTPRDNFRUYNAWPLOZUXOLOZUNCVAPDWVBXPRDNFRUYSRNUGWIOTAMMANZVLF", "ciphertext": "CSLOMOGSHRVNBXACSRRTPRDNFRUYNAWPLOZUXOLOZUNCVAPDWVBXPRDNFRUYSRNUGWIOTAMMANZVLF", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1787", "text": "JMMQC JGNQ QGLI QFGNQ", "ciphertext": "JMMQC JGNQ QGLI QFGNQ", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 24}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-028", "text": "TUWERWQTQNTHWPT", "ciphertext": "TUWERWQTQNTHWPT", "plaintext": "EVACUATE THE BASE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WHEATSTONE"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v3-0498", "text": "DDRYMKUNZXESDAFHARPDMJAAMOKKMJRYDBINYEDSGUYFARKAHONTWXGYSDNPMAFXQWLVBGMKAZMKIBUANBGUB", "ciphertext": "DDRYMKUNZXESDAFHARPDMJAAMOKKMJRYDBINYEDSGUYFARKAHONTWXGYSDNPMAFXQWLVBGMKAZMKIBUANBGUB", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-079", "text": "QCPMLKSQPEKLKEFT", "ciphertext": "QCPMLKSQPEKLKEFT", "plaintext": "NO PRISONERS TAKEN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-0110", "text": "LEDHCPAFTGJXDNEHGFTANHGWLEDHCPAFTGJXDNEHGPPNOIPKVRZUPHHWPSJEALQIILIIYTJIUIPLFWPNOIPXWEDTTITTDWGWWAWLHMVHEIPXWESINPHWPSJEALYEXIGSFRTICDPR", "ciphertext": "LEDHCPAFTGJXDNEHGFTANHGWLEDHCPAFTGJXDNEHGPPNOIPKVRZUPHHWPSJEALQIILIIYTJIUIPLFWPNOIPXWEDTTITTDWGWWAWLHMVHEIPXWESINPHWPSJEALYEXIGSFRTICDPR", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008063", "text": "REAC HCOE CRXT HEAI TENR RREC SITO THIO NTSS IPOA PL", "ciphertext": "REAC HCOE CRXT HEAI TENR RREC SITO THIO NTSS IPOA PL", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "SIGNAL"}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "affine-v2-0720", "text": "MGVS OQIIT AP CUAJC EGC NIDIGBIB GPJIV DIV UKHDIV FIJJIVC EIVI BIUABIB NS JDAMGC HDIFKHHIC", "ciphertext": "MGVS OQIIT AP CUAJC EGC NIDIGBIB GPJIV DIV UKHDIV FIJJIVC EIVI BIUABIB NS JDAMGC HDIFKHHIC", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 7, "b": 6}, "difficulty": "beginner", "language": "en", "text_length": 76, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-046", "text": "UVNE HLVER FSO HRQRS ZRFEH FXV VNE UFKAREH IEVNXAK UVEKA KADH SFKDVS", "ciphertext": "UVNE HLVER FSO HRQRS ZRFEH FXV VNE UFKAREH IEVNXAK UVEKA KADH SFKDVS", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 5}, "difficulty": "beginner", "language": "en", "text_length": 57, "length": 68, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0443", "text": "WATHMALICETOWARDNONEWITHCHARITIFORALLWITHFIRMNESSINTHEZIGHTASGODGIVESUSTOSEETHERIGHTLETUSCTRIVEONTOFINISHTHMWORKWEAREINTOBINDUPTHENATIONSWOUNDS", "ciphertext": "WATHMALICETOWARDNONEWITHCHARITIFORALLWITHFIRMNESSINTHEZIGHTASGODGIVESUSTOSEETHERIGHTLETUSCTRIVEONTOFINISHTHMWORKWEAREINTOBINDUPTHENATIONSWOUNDS", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0023", "text": "DFVGADADDDFDDDAAAAGGAAFAFV", "ciphertext": "DFVGADADDDFDDDAAAAGGAAFAFV", "plaintext": "FULL SAIL AHEAD", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0364", "text": "DTIEEUNXZILAYIWHLLVHHKBXXLWKPIQKBELHVXJPHBLIXWIZSAHURAXVMBUYQIYTIZPBVYVQKOSXZCWVFMPEIPCPBWHMJQRDKQQZHEEMRZMXZIQMXZAHURAXPIHMXKMBVIPGYMPLMSMAHIOMJDZXEEB", "ciphertext": "DTIEEUNXZILAYIWHLLVHHKBXXLWKPIQKBELHVXJPHBLIXWIZSAHURAXVMBUYQIYTIZPBVYVQKOSXZCWVFMPEIPCPBWHMJQRDKQQZHEEMRZMXZIQMXZAHURAXPIHMXKMBVIPGYMPLMSMAHIOMJDZXEEB", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-1506", "text": "GL KW ZCEGLLGLE GQ KW CLB YLB GL KW CLB GQ KW ZCEGLLGLE YQ RFC OSCCL MD QAMRQ ILCU UCJJ", "ciphertext": "GL KW ZCEGLLGLE GQ KW CLB YLB GL KW CLB GQ KW ZCEGLLGLE YQ RFC OSCCL MD QAMRQ ILCU UCJJ", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 24}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007789", "text": "ACPNTCTTIRELNILEIHHIENMAAPIAOLEVSSAIFHERNEDEPBKMFESFTTESAEISIRAUOTTTTFNXNALNEEEUTOGXEPICARCDERCX", "ciphertext": "ACPNTCTTIRELNILEIHHIENMAAPIAOLEVSSAIFHERNEDEPBKMFESFTTESAEISIRAUOTTTTFNXNALNEEEUTOGXEPICARCDERCX", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "scytale", "cipher": "scytale", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0016358", "text": "⟨a29⟩ ⟨w32⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w08⟩ ⟨a01⟩ ⟨w26⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨a11⟩ ⟨a01⟩ ⟨w10⟩ ⟨w14⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨w26⟩ ⟨a19⟩ ⟨w32⟩ ⟨a17⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w20⟩ ⟨a17⟩ ⟨w26⟩ ⟨w20⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a13⟩ ⟨w40⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w28⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "ciphertext": "⟨a29⟩ ⟨w32⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w08⟩ ⟨a01⟩ ⟨w26⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨a11⟩ ⟨a01⟩ ⟨w10⟩ ⟨w14⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨w26⟩ ⟨a19⟩ ⟨w32⟩ ⟨a17⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w20⟩ ⟨a17⟩ ⟨w26⟩ ⟨w20⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a13⟩ ⟨w40⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w28⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 209, "length": 209, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0106", "text": "SKRRVRLZFUHVJFHGNFVFBRELWNQAYGHVKCTBWBFKZHLWMFIRPTPNIXHXMAVTZALEPEGFJZHFKXWLVULAC", "ciphertext": "SKRRVRLZFUHVJFHGNFVFBRELWNQAYGHVKCTBWBFKZHLWMFIRPTPNIXHXMAVTZALEPEGFJZHFKXWLVULAC", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012100", "text": "1309 02861 02284 5725 0403 05030 02606 00353 04492 1260 06288 05741 02832 02225 5712 0411 05052 02593 1942 5713 1584 05437 6600 01590 4440 00972 2877 01574 6013 01653 7631 5054 4737 05982 1605 06065 2864 04106 05067 3856 1654 01000 02859 5122 02599 1657 5740 06038", "ciphertext": "1309 02861 02284 5725 0403 05030 02606 00353 04492 1260 06288 05741 02832 02225 5712 0411 05052 02593 1942 5713 1584 05437 6600 01590 4440 00972 2877 01574 6013 01653 7631 5054 4737 05982 1605 06065 2864 04106 05067 3856 1654 01000 02859 5122 02599 1657 5740 06038", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "porta-080", "text": "QAEMEGUAUMWDDDSUD", "ciphertext": "QAEMEGUAUMWDDDSUD", "plaintext": "CRYPTOGRAPHY RULES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "one-time-pad-021", "text": "QTGLCYSUWFEUONKGSV", "ciphertext": "QTGLCYSUWFEUONKGSV", "plaintext": "THE BRIDGE IS SECURED", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "XMCKLQPOS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "zimmermann-v3-0026", "text": "99999 90019 90017 90004 90000 90018 90020 90017 90004 99998 99999 90001 90020 90017 90008 90004 90003 99998 99999 90007 90004 90017 90004 99998", "ciphertext": "99999 90019 90017 90004 90000 90018 90020 90017 90004 99998 99999 90001 90020 90017 90008 90004 90003 99998 99999 90007 90004 90017 90004 99998", "plaintext": "TREASURE BURIED HERE", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 120, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-107", "text": "EIOLCGEGEININGZUSTHEVPRDFIFRHEVPRDZUQXEPEFSBFIDFTNGQFGFMCE", "ciphertext": "EIOLCGEGEININGZUSTHEVPRDFIFRHEVPRDZUQXEPEFSBFIDFTNGQFGFMCE", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0139", "text": "PZMIOXIACADOZH", "ciphertext": "PZMIOXIACADOZH", "plaintext": "STAY THE COURSE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007117", "text": "BSWW IKUY KNGZ DXGD DCQP BZJQ FDKF AVTF ILQB CXMY ZPIK JHHB YIYH MOGH HXYA ZXXR QIWS UEUX", "ciphertext": "BSWW IKUY KNGZ DXGD DCQP BZJQ FDKF AVTF ILQB CXMY ZPIK JHHB YIYH MOGH HXYA ZXXR QIWS UEUX", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "diana-v2-0451", "text": "SBXMNRHHPNZLPFSAOYRMULFTMLPFSAOYZAYUPXBDGUTPXPRAYSAPALPFTKNKWPHNDBNJGVHEY", "ciphertext": "SBXMNRHHPNZLPFSAOYRMULFTMLPFSAOYZAYUPXBDGUTPXPRAYSAPALPFTKNKWPHNDBNJGVHEY", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0197", "text": "QOTYMPTZUWUNTEWDCHUTOJUVWUGARAVMMGIQYDLNUHETUDXAIFOXUZYIGMCIHTCYAEPUUGHUDYRVARQUOTDXUIFUDBECFDUWTEAVEHIKEUDEXDUXYKQZJJHIHYMYTTXLUMUIMYBERUMOXUMNOIPPZFOMINNYAKUHFIBSEZULR", "ciphertext": "QOTYMPTZUWUNTEWDCHUTOJUVWUGARAVMMGIQYDLNUHETUDXAIFOXUZYIGMCIHTCYAEPUUGHUDYRVARQUOTDXUIFUDBECFDUWTEAVEHIKEUDEXDUXYKQZJJHIHYMYTTXLUMUIMYBERUMOXUMNOIPPZFOMINNYAKUHFIBSEZULR", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-126", "text": "TBIKVIBVBMCTBGQVVUG", "ciphertext": "TBIKVIBVBMCTBGQVVUG", "plaintext": "PROCEED AS PLANNED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v2-0282", "text": "NTAHKZTLVYHREOAYBBS", "ciphertext": "NTAHKZTLVYHREOAYBBS", "plaintext": "WISDOM GUARDS THE GATE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0003", "text": "WCGVOCGROGEMMGXVLSNVVAE", "ciphertext": "WCGVOCGROGEMMGXVLSNVVAE", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Gettysburg Address opening"}, "difficulty": "intermediate", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0062", "text": "ICANDOALLTHINGSTHROUGHCHVISTWHICGSTREJGTHENETHMEINEVEVYTRIALANDTRIBULATION", "ciphertext": "ICANDOALLTHINGSTHROUGHCHVISTWHICGSTREJGTHENETHMEINEVEVYTRIALANDTRIBULATION", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0078", "text": "KKQHXOKFHAJBUEAUDPMTBLLGYYVNZKSKOHJGWTTAJNKKMDMRMPJZTRIVSNYQDEJQZEQPIXDXSMDJT", "ciphertext": "KKQHXOKFHAJBUEAUDPMTBLLGYYVNZKSKOHJGWTTAJNKKMDMRMPJZTRIVSNYQDEJQZEQPIXDXSMDJT", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0016", "text": "GIJXJXFMFHNBPUXRE", "ciphertext": "GIJXJXFMFHNBPUXRE", "plaintext": "ARCHERS TO THE WALLS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018674", "text": "K r· L ¬ L X K └ L X X ┘· ─ X X r· ┘· ⌒ ⌒ r· L ┌· L K r· L ┌ L K r· ┘· Γ ⌐· ⌐ Γ· └ X K r· L K· Γ· ¬· L ─ L ┌· L r Γ· ┐· r· L ┌· X· X L X ⌐ ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· ⌒ ┘· ┌· Γ ⌐ K ┌· ⌐ ─ X ┐· ⌐ ┌· L ─ K K ┘· ┘· └ X r· ┘· X· └ Γ X r· ┘· ⌒ Γ· K X ┌· L ⌐ X ┘· ─ Γ· ─ ¬· X L r X· ┌· Γ· K ⌒· r └ ⌐ Γ· ┌ X X r· ┘· X· └ Γ ¬ L K L X K L Γ X· ─ Γ L ┌· X r ┌· X· K Γ· ─ ⌒·", "ciphertext": "K r· L ¬ L X K └ L X X ┘· ─ X X r· ┘· ⌒ ⌒ r· L ┌· L K r· L ┌ L K r· ┘· Γ ⌐· ⌐ Γ· └ X K r· L K· Γ· ¬· L ─ L ┌· L r Γ· ┐· r· L ┌· X· X L X ⌐ ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· ⌒ ┘· ┌· Γ ⌐ K ┌· ⌐ ─ X ┐· ⌐ ┌· L ─ K K ┘· ┘· └ X r· ┘· X· └ Γ X r· ┘· ⌒ Γ· K X ┌· L ⌐ X ┘· ─ Γ· ─ ¬· X L r X· ┌· Γ· K ⌒· r └ ⌐ Γ· ┌ X X r· ┘· X· └ Γ ¬ L K L X K L Γ X· ─ Γ L ┌· X r ┌· X· K Γ· ─ ⌒·", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE VIGENERE CIPHER USES A REPEATING KEYWORD A TRANSPARENT TOOL SHOULD SHOW ITS REASONING SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 76, "length": 76, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "nihilist-v3-0119", "text": "52 48 28 67 37 83 60 43 60 67 26 46 75 86 76", "ciphertext": "52 48 28 67 37 83 60 43 60 67 26 46 75 86 76", "plaintext": "THE WIND IS WITH US", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0006", "text": "TIGSEXYPAQOWP", "ciphertext": "TIGSEXYPAQOWP", "plaintext": "THE PASS IS HELD", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0660", "text": "WISDOEMTGAUGAERHDTS", "ciphertext": "WISDOEMTGAUGAERHDTS", "plaintext": "WISDOM GUARDS THE GATE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008745", "text": "WTP HAZVPUP XEZ GHXQPR QTW NFA MNLVJP TLQNXT PGCDKLI SV NNSLJBLRL UIW TIPKNOWA SNXUL VFCCN RBJJB QECR EMPR YGL QPV MCNNW LB MFNEP MFRNVWPV", "ciphertext": "WTP HAZVPUP XEZ GHXQPR QTW NFA MNLVJP TLQNXT PGCDKLI SV NNSLJBLRL UIW TIPKNOWA SNXUL VFCCN RBJJB QECR EMPR YGL QPV MCNNW LB MFNEP MFRNVWPV", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE ATBASH ENCODES BY REVERSING THE ALPHABET BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL HONESTLY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 115, "length": 115, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0018106", "text": "AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BAAAB AAAAB BABBA BAAAA AABAA BAABB AABAA BAAAA BAAAB ABAAA ABBAA AABBA BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA BAABA AABBB AABAA BAAAA AAAAA ABAAA ABABA AABAB AABAA ABBAA AAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BABAA BAAAA ABAAA BAABA AABAA BAAAB BAABA AABAA BABAB BAABA ABAAA ABBAA AAAAA BABBB ABAAA AABBA BABBB AAAAA AABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABBBA AABBB AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA ABAAA AABAA BAAAB AABAA BABAB ABBBA ABBAB BAAAB AABAA BAAAB ABAAA ABABB ABBBA ABABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB AABAB AAAAA ABAAA ABABA AAABA ABABA ABBAB BAAAB AABAA AAABB ABAAA BAAAB AAAAA ABBBA ABBAB BAAAB BAABA BAABB BAAAA AABAA ABBAA ABBAB BAABA AAAAA BAAAB ABABA ABBAB AABBA AAAAA ABBAA", "ciphertext": "AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BAAAB AAAAB BABBA BAAAA AABAA BAABB AABAA BAAAA BAAAB ABAAA ABBAA AABBA BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA BAABA AABBB AABAA BAAAA AAAAA ABAAA ABABA AABAB AABAA ABBAA AAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BABAA BAAAA ABAAA BAABA AABAA BAAAB BAABA AABAA BABAB BAABA ABAAA ABBAA AAAAA BABBB ABAAA AABBA BABBB AAAAA AABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABBBA AABBB AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA ABAAA AABAA BAAAB AABAA BABAB ABBBA ABBAB BAAAB AABAA BAAAB ABAAA ABABB ABBBA ABABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB AABAB AAAAA ABAAA ABABA AAABA ABABA ABBAB BAAAB AABAA AAABB ABAAA BAAAB AAAAA ABBBA ABBAB BAAAB BAABA BAABB BAAAA AABAA ABBAA ABBAB BAABA AAAAA BAAAB ABABA ABBAB AABBA AAAAA ABBAA", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 785, "length": 785, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "solitaire-v2-0326", "text": "MRCHSSEMGNFJCTMFKMFQEXLRRIHQKVJHOUVGYQOOHLLAEHZENJWWLMLWKLBPUTAMGHPKUNRIVREMW", "ciphertext": "MRCHSSEMGNFJCTMFKMFQEXLRRIHQKVJHOUVGYQOOHLLAEHZENJWWLMLWKLBPUTAMGHPKUNRIVREMW", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0233", "text": "PFBMRIGNOFLOFTSSYFBFNMPKSOFHKBAFSHFMUNUFBXBTAFSNTFSOSAHHSMGPPROOTRTTFSGMFRTSHANSOOZPBCZXECZXGZRSZPPUVXODBFCHFKHXNUTAUDTHDXXRRAOLNCWPCZCNWGNSIRSNZYXPABXCHSBPUZAFYUZZ", "ciphertext": "PFBMRIGNOFLOFTSSYFBFNMPKSOFHKBAFSHFMUNUFBXBTAFSNTFSOSAHHSMGPPROOTRTTFSGMFRTSHANSOOZPBCZXECZXGZRSZPPUVXODBFCHFKHXNUTAUDTHDXXRRAOLNCWPCZCNWGNSIRSNZYXPABXCHSBPUZAFYUZZ", "plaintext": "ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0163", "text": "09908 09996 09993 09908 09996 09997 09902 09906 09993 09992 09900 09997 09902 09993 09907 09908 09903 09903 09992 09994 09997 09906 09901 09999 09908 09990 09999 09900 09999 09991 09900 09999 09910 09999 09999 09907 09908 09996 09993 09906 09919 09907 09907 09997 09999 09902 09991 09999 09910 09999 09900 09906 09913 09991 09996 09999 09906 09995 09993 09992 09999 09991 09906 09903 09907 09907 09908 09996 09993 09904 09900 09999 09997 09902", "ciphertext": "09908 09996 09993 09908 09996 09997 09902 09906 09993 09992 09900 09997 09902 09993 09907 09908 09903 09903 09992 09994 09997 09906 09901 09999 09908 09990 09999 09900 09999 09991 09900 09999 09910 09999 09999 09907 09908 09996 09993 09906 09919 09907 09907 09997 09999 09902 09991 09999 09910 09999 09900 09906 09913 09991 09996 09999 09906 09995 09993 09992 09999 09991 09906 09903 09907 09907 09908 09996 09993 09904 09900 09999 09997 09902", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 370, "length": 443, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0624", "text": "WVHHZBHGOSSRHDILBHDQSQJUIKKULOWEZALPMCWVFRNBRCILHRSYXDOMREZUZWXDNGPHLIRCTUBVLMXJTXILPNUYFRZLEWOSSWSEUUZLYSNGHGBMDSWVRPZWXDQLRCCCFVIPJNLIOSSWSEUUZOJKOSNNXDOMWPRCPEKZRZTEOYWEXGLPIYOVHV", "ciphertext": "WVHHZBHGOSSRHDILBHDQSQJUIKKULOWEZALPMCWVFRNBRCILHRSYXDOMREZUZWXDNGPHLIRCTUBVLMXJTXILPNUYFRZLEWOSSWSEUUZLYSNGHGBMDSWVRPZWXDQLRCCCFVIPJNLIOSSWSEUUZOJKOSNNXDOMWPRCPEKZRZTEOYWEXGLPIYOVHV", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0555", "text": "LTGQODPKGIUGHUEFXFCYIMSYPLDFKOQLBFQMRCMLKRXFTQDERDLYXBADDBZXKFUZXBCLFEEDLYTDGUBD", "ciphertext": "LTGQODPKGIUGHUEFXFCYIMSYPLDFKOQLBFQMRCMLKRXFTQDERDLYXBADDBZXKFUZXBCLFEEDLYTDGUBD", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0295", "text": "RUSHAHOHJFLBWHQPYTXSZCTQEDRNMMWQTZYNQTWLSXVDQRFCSXRFAUD", "ciphertext": "RUSHAHOHJFLBWHQPYTXSZCTQEDRNMMWQTZYNQTWLSXVDQRFCSXRFAUD", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0438", "text": "SEGQAGOIQATHUBEHWESDIIDUWLVHPAEQISDHTOTECTNILARCWPDFOUBOCBGEWURRAVTFWKOSOI", "ciphertext": "SEGQAGOIQATHUBEHWESDIIDUWLVHPAEQISDHTOTECTNILARCWPDFOUBOCBGEWURRAVTFWKOSOI", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010404", "text": "ZYOUEVLUPAOCIOXTQFXGBHJFWKOCQLODYSWSZYZRGKHRXFIDTWHAELLUAXJECUBTHGYOACMQKAYLESFYIVLCOUKBXPE", "ciphertext": "ZYOUEVLUPAOCIOXTQFXGBHJFWKOCQLODYSWSZYZRGKHRXFIDTWHAELLUAXJECUBTHGYOACMQKAYLESFYIVLCOUKBXPE", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "autokey", "cipher": "autokey", "key": {"primer": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 91, "length": 91, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "running-key-v3-0059", "text": "PPXJMSETGMLGQRIRHBQIZ", "ciphertext": "PPXJMSETGMLGQRIRHBQIZ", "plaintext": "THE CASTLE IS SURROUNDED", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0022", "text": "PHEDPQRGXPWYBHTLPW", "ciphertext": "PHEDPQRGXPWYBHTLPW", "plaintext": "DEAD MEN TELL NO TALES", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016127", "text": "AVVN LFDV XNLI UIRU MFCN QSNL FRKV PATU NBVY LIKA ZDTH WXFE GHGX", "ciphertext": "AVVN LFDV XNLI UIRU MFCN QSNL FRKV PATU NBVY LIKA ZDTH WXFE GHGX", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY CERTAINLY", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 52, "length": 52, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "geheimschreiber-190", "text": "XBXLCVXNLQNCSFDZGWOKY", "ciphertext": "XBXLCVXNLQNCSFDZGWOKY", "plaintext": "THE PACKAGE IS DELIVERED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0207", "text": "YOWJPTSMYIJBMYKVIYGBNITPOTYMMTIJYAPYYMAPFBKYOMTFFTHJBEOFBPIYBEBHBQLIITXMJMKNOYMRO", "ciphertext": "YOWJPTSMYIJBMYKVIYGBNITPOTYMMTIJYAPYYMAPFBKYOMTFFTHJBEOFBPIYBEBHBQLIITXMJMKNOYMRO", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0095", "text": "IHPATQRDMLCOPKADEJVRWDTDEUICIREIXFVDKYMOGMRLOEGSNPJGXHJPAGXPPPXGNNZJZPLPKFSVCUXHTWEOENSHUJERGTFJSJUARACSJMTZQUJAUKGZRBXHFBEPWWWNWYBTGFWZQDESMECLXUBPWHQPTBFSDEAGWLVURHLZMPX", "ciphertext": "IHPATQRDMLCOPKADEJVRWDTDEUICIREIXFVDKYMOGMRLOEGSNPJGXHJPAGXPPPXGNNZJZPLPKFSVCUXHTWEOENSHUJERGTFJSJUARACSJMTZQUJAUKGZRBXHFBEPWWWNWYBTGFWZQDESMECLXUBPWHQPTBFSDEAGWLVURHLZMPX", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1411", "text": "ORFGKWUEJVMIQM", "ciphertext": "ORFGKWUEJVMIQM", "plaintext": "TRUST BUT VERIFY", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-182", "text": "UCGTCOWODET", "ciphertext": "UCGTCOWODET", "plaintext": "FLEE AT ONCE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-v3-0318", "text": "XBEFEERMODHB", "ciphertext": "XBEFEERMODHB", "plaintext": "YANKEE DOODLE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0191", "text": "WHENEVERANYFORMOFGOVERNOENTBECOMESDESTRUCTIVEOFTHESEENBSITISTHERIGHTOFTHEPEOPLETOALTETORTOABOLISHITANDTOINSTITUTENEWEOVERNMENTLAYINGITSFOUNDATIONONQUCHPRINCIPLES", "ciphertext": "WHENEVERANYFORMOFGOVERNOENTBECOMESDESTRUCTIVEOFTHESEENBSITISTHERIGHTOFTHEPEOPLETOALTETORTOABOLISHITANDTOINSTITUTENEWEOVERNMENTLAYINGITSFOUNDATIONONQUCHPRINCIPLES", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0314", "text": "AMPIJLXBMKDVBPSSQH", "ciphertext": "AMPIJLXBMKDVBPSSQH", "plaintext": "CROSS THE RUBICON NOW", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0382", "text": "DDFAADAXDFGFAFADXDFFDAXD", "ciphertext": "DDFAADAXDFGFAFADXDFFDAXD", "plaintext": "VENI VIDI VICI", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0109", "text": "KJLAJMJXHMJLAJMJTMJUJBLPLYZJUHXLAJNBYLJIULPLJUHXPOJMYQPYBDJBJMPVQHBDMJUUPUUJOCVJIPTTJPVYBDLHLAJUNTMJOJSNIDJHXLAJKHMVIXHMLAJMJQLYLNIJHXHNMYBLJBLYHBUIHUHVJOBVRTNCVYUA", "ciphertext": "KJLAJMJXHMJLAJMJTMJUJBLPLYZJUHXLAJNBYLJIULPLJUHXPOJMYQPYBDJBJMPVQHBDMJUUPUUJOCVJIPTTJPVYBDLHLAJUNTMJOJSNIDJHXLAJKHMVIXHMLAJMJQLYLNIJHXHNMYBLJBLYHBUIHUHVJOBVRTNCVYUA", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0171", "text": "SKXFBDBOYRUZRUKZQXMUBYBWIRZZYUCUKDEUMUIVITWZVVITDPOEBDDTSKBCSKXKBEBKVBQEXXSIQLXZNM", "ciphertext": "SKXFBDBOYRUZRUKZQXMUBYBWIRZZYUCUKDEUMUIVITWZVVITDPOEBDDTSKBCSKXKBEBKVBQEXXSIQLXZNM", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-068", "text": "08 15 12 04 16 15 19 09 20 09 15 14", "ciphertext": "08 15 12 04 16 15 19 09 20 09 15 14", "plaintext": "HOLD POSITION", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "babington-062", "text": "⟨n03⟩ ⟨w09⟩ ⟨w19⟩ ⟨w13⟩ ⟨w10⟩ ⟨a13⟩ ⟨w13⟩ ⟨w09⟩ ⟨n03⟩ ⟨a06⟩ ⟨w23⟩ ⟨w19⟩ ⟨a11⟩ ⟨w13⟩ ⟨w10⟩", "ciphertext": "⟨n03⟩ ⟨w09⟩ ⟨w19⟩ ⟨w13⟩ ⟨w10⟩ ⟨a13⟩ ⟨w13⟩ ⟨w09⟩ ⟨n03⟩ ⟨a06⟩ ⟨w23⟩ ⟨w19⟩ ⟨a11⟩ ⟨w13⟩ ⟨w10⟩", "plaintext": "SILENCE IS GOLDEN", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 89, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015541", "text": "CTAI INKA IIIN OKAI NSHA RALS HEED YQOK ALOK ALOT AIND AINY OTAI NCHO LCHO LDAI INOK ALCT AIIN OXED QOKE DYSH EOLS HORS HAII NSHA LSHA LCHO LORO RSHE OLQO KEDY OTED YCHE DYQO KEDY YTED YSHA IINS HEOL OTAI INCH EOLC HORO TOLO TAIN AIII NRAI INSH ARAL CTAI INSH EDYC HOLD AIIN KAII INSH AIIN OKED YDAL KAII INSH EEDY DALS HORC HORS HORS HEOL LKAI INCH OLOX EDSH ALOT AINC HEOL SHED Y", "ciphertext": "CTAI INKA IIIN OKAI NSHA RALS HEED YQOK ALOK ALOT AIND AINY OTAI NCHO LCHO LDAI INOK ALCT AIIN OXED QOKE DYSH EOLS HORS HAII NSHA LSHA LCHO LORO RSHE OLQO KEDY OTED YCHE DYQO KEDY YTED YSHA IINS HEOL OTAI INCH EOLC HORO TOLO TAIN AIII NRAI INSH ARAL CTAI INSH EDYC HOLD AIIN KAII INSH AIIN OKED YDAL KAII INSH EEDY DALS HORC HORS HORS HEOL LKAI INCH OLOX EDSH ALOT AINC HEOL SHED Y", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 305, "length": 305, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0014789", "text": "11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14 21 42 15 41 45 15 33 13 54 11 33 11 31 54 43 24 43 13 11 33 42 15 51 15 11 31 52 15 11 25 13 24 35 23 15 42 43", "ciphertext": "11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14 21 42 15 41 45 15 33 13 54 11 33 11 31 54 43 24 43 13 11 33 42 15 51 15 11 31 52 15 11 25 13 24 35 23 15 42 43", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE VIGENERE CIPHER USES A REPEATING KEYWORD FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 150, "length": 150, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v3-0253", "text": "DEPLXAZHPCECLYDQZCXD", "ciphertext": "DEPLXAZHPCECLYDQZCXD", "plaintext": "STEAM POWER TRANSFORMS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "navajo-code-005", "text": "A-WOH LIN DZEH   /   TLA-GIN A-KHA BE-LA-SANA DIBEH A-WOH   /   YEH-HES KLESH   /   TLA-GIN DIBEH-YAZZIE AH-JAH WOL-LA-CHEE GAH", "ciphertext": "A-WOH LIN DZEH   /   TLA-GIN A-KHA BE-LA-SANA DIBEH A-WOH   /   YEH-HES KLESH   /   TLA-GIN DIBEH-YAZZIE AH-JAH WOL-LA-CHEE GAH", "plaintext": "THE COAST IS CLEAR", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 98, "length": 127, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-v3-0148", "text": "THEOQHCQHISMPFADSSYETRORTHETINUMNKNRLYEIBQMFRGSRDMRLDFDOSFTHRIGATAEH", "ciphertext": "THEOQHCQHISMPFADSSYETRORTHETINUMNKNRLYEIBQMFRGSRDMRLDFDOSFTHRIGATAEH", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0150", "text": "INMYBEGINNINGISMYENDANDKNMYENDISMYBEGINNINGASTHEQUEENOHSCOTSKNEWWELL", "ciphertext": "INMYBEGINNINGISMYENDANDKNMYENDISMYBEGINNINGASTHEQUEENOHSCOTSKNEWWELL", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0420", "text": "CBWEMIMHUWDXGVREWSWY", "ciphertext": "CBWEMIMHUWDXGVREWSWY", "plaintext": "THE LEGIONS STAND READY", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-139", "text": "JMVGQEVTDPNDXDIA", "ciphertext": "JMVGQEVTDPNDXDIA", "plaintext": "LOCK DOWN ALL GATES", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "5,3,6,1,4,2"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006890", "text": "CSAS XTMY IYRJ DRKP HUKI UOEB LBEB PGGF XLND VETV BZYE Y", "ciphertext": "CSAS XTMY IYRJ DRKP HUKI UOEB LBEB PGGF XLND VETV BZYE Y", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "playfair-v3-0674", "text": "NWHZHOGAGELBCI", "ciphertext": "NWHZHOGAGELBCI", "plaintext": "FULL SAIL AHEAD", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020387", "text": "- .... . / .- .-. -.-. .... .. - . -.-. - ..- .-. . / ... .... --- ..- .-.. -.. / -- .- -.- . / -- .. ... ..- ... . / .... .- .-. -.. . .-.", "ciphertext": "- .... . / .- .-. -.-. .... .. - . -.-. - ..- .-. . / ... .... --- ..- .-.. -.. / -- .- -.- . / -- .. ... ..- ... . / .... .- .-. -.. . .-.", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0509", "text": "YECOWURJENEEISVHNTZSCUEGFPMGFEITEYYVAGLXVLCRZCCVYVEYEBLYNTCAEKFGYVRPVLFOREOSWVHZICTPGAOOCNGVHXECKYKNPNLCGGNVBWVPKGCTDKFCTVMZEEVHZSPRPGLDFPCGDEMTJRLFTCEALPUUDTZWFCPKIYVQU", "ciphertext": "YECOWURJENEEISVHNTZSCUEGFPMGFEITEYYVAGLXVLCRZCCVYVEYEBLYNTCAEKFGYVRPVLFOREOSWVHZICTPGAOOCNGVHXECKYKNPNLCGGNVBWVPKGCTDKFCTVMZEEVHZSPRPGLDFPCGDEMTJRLFTCEALPUUDTZWFCPKIYVQU", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bacon-cipher-v3-0009", "text": "BAAAA AABAA ABBAA AAABB AABAA BAAAA BAABB ABBAA BAABA ABBAB AAABA AAAAA AABAA BAAAB AAAAA BAAAA", "ciphertext": "BAAAA AABAA ABBAA AAABB AABAA BAAAA BAABB ABBAA BAABA ABBAB AAABA AAAAA AABAA BAAAB AAAAA BAAAA", "plaintext": "RENDER UNTO CAESAR", "label": "bacon_cipher", "cipher": "bacon_cipher", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016528", "text": "AHJAH GAHAK HATSA HDIBE HMAED ZEHDI BEHYA ZZIEB ENODA IHDIB EHDZE HDIBE HWOLL ACHEE BETKI NAHJA HTKIN THANZ IEDIB EHDZE HCAYE ILTHN ODAIH DZEHT SAHMO ASIDZ EHWOL LACHE EDIBE HTHAN ZIELI NDZEH GAHDZ EHCLA GIAIH DZEHW OLLAC HEETH ANZIE TKINT SAH", "ciphertext": "AHJAH GAHAK HATSA HDIBE HMAED ZEHDI BEHYA ZZIEB ENODA IHDIB EHDZE HDIBE HWOLL ACHEE BETKI NAHJA HTKIN THANZ IEDIB EHDZE HCAYE ILTHN ODAIH DZEHT SAHMO ASIDZ EHWOL LACHE EDIBE HTHAN ZIELI NDZEH GAHDZ EHCLA GIAIH DZEHW OLLAC HEETH ANZIE TKINT SAH", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 203, "length": 203, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "fialka-v3-0123", "text": "GLIKHPNYODBIUKSWHTMF", "ciphertext": "GLIKHPNYODBIUKSWHTMF", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v3-0050", "text": "GABAB ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ CAZUZ GAZUZ JAZUZ LAZUZ RAZUZ RAZUZ LAZUZ RAZUZ JAZUZ XUZUZ HABAB ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ GAZUZ RAZUZ FAZUZ XUZUZ DABAB GABAB ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ GAZUZ RAZUZ FAZUZ XUZUZ HABAB ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ CAZUZ GAZUZ JAZUZ LAZUZ RAZUZ RAZUZ LAZUZ RAZUZ JAZUZ XUZUZ NABAB BABAB ZUZUZ VAZUZ BEZUZ GAZUZ GAZUZ RAZUZ XUZUZ CABAB ZUZUZ XAZUZ DAZUZ SAZUZ ZAZUZ XAZUZ XUZUZ ZUZUZ NAZUZ RAZUZ GAZUZ DEZUZ XUZUZ ZOBAB", "ciphertext": "GABAB ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ CAZUZ GAZUZ JAZUZ LAZUZ RAZUZ RAZUZ LAZUZ RAZUZ JAZUZ XUZUZ HABAB ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ GAZUZ RAZUZ FAZUZ XUZUZ DABAB GABAB ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ GAZUZ RAZUZ FAZUZ XUZUZ HABAB ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ CAZUZ GAZUZ JAZUZ LAZUZ RAZUZ RAZUZ LAZUZ RAZUZ JAZUZ XUZUZ NABAB BABAB ZUZUZ VAZUZ BEZUZ GAZUZ GAZUZ RAZUZ XUZUZ CABAB ZUZUZ XAZUZ DAZUZ SAZUZ ZAZUZ XAZUZ XUZUZ ZUZUZ NAZUZ RAZUZ GAZUZ DEZUZ XUZUZ ZOBAB", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 385, "length": 461, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0166", "text": "DFQLOLSXBAMBUBPVQOKJWMGT", "ciphertext": "DFQLOLSXBAMBUBPVQOKJWMGT", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0309", "text": "W9 S9 V0 U9 S6 B8 E0 U0 U8 S9 A6 B9 U2 G4 O7 W4 J8 U2 W5 Y8 N1 Y2 R9 D0 O4 F7 D3 J8 W5 E3 D4 Y8 Q6 K6 T2 O9 G4 K5 W4 D8 T2 U1 X3 Q5 G2 W2 W4 U8 V8 L0 J3 A5 Q6 H0 M4 L0 Z2 S6 V7 S9 A3 J8 J0 B8 J6 K2 A2 D0 G1 R7 N2 F9 S9 A7 A5 E3 Z2 G1 U2 P3 J2 K6 A6 Q6 P6 N1 G4 A4 N6 D0 B9 G2 W2 Q1 S6 N2 Y0 R9 N4 N6 J6 P3 K2 U0 A4 H9 F7 V0 U1 Q6 S9 Y8 U9 P6 K8 D8 E7 P5 J4 K2 J2 K6 R7 X4 I0 I2 H9 W6 V0 I4 Q5 H0 E6 J4 G1 A1 H0 F7 Z2 P5 J4 C5 V6 P6 J9 A7 K5 R0 E3 L0 P3 I0 A4 W2 T2 L0 N6 P5 M1 D6 G4 S6 Y8 H3", "ciphertext": "W9 S9 V0 U9 S6 B8 E0 U0 U8 S9 A6 B9 U2 G4 O7 W4 J8 U2 W5 Y8 N1 Y2 R9 D0 O4 F7 D3 J8 W5 E3 D4 Y8 Q6 K6 T2 O9 G4 K5 W4 D8 T2 U1 X3 Q5 G2 W2 W4 U8 V8 L0 J3 A5 Q6 H0 M4 L0 Z2 S6 V7 S9 A3 J8 J0 B8 J6 K2 A2 D0 G1 R7 N2 F9 S9 A7 A5 E3 Z2 G1 U2 P3 J2 K6 A6 Q6 P6 N1 G4 A4 N6 D0 B9 G2 W2 Q1 S6 N2 Y0 R9 N4 N6 J6 P3 K2 U0 A4 H9 F7 V0 U1 Q6 S9 Y8 U9 P6 K8 D8 E7 P5 J4 K2 J2 K6 R7 X4 I0 I2 H9 W6 V0 I4 Q5 H0 E6 J4 G1 A1 H0 F7 Z2 P5 J4 C5 V6 P6 J9 A7 K5 R0 E3 L0 P3 I0 A4 W2 T2 L0 N6 P5 M1 D6 G4 S6 Y8 H3", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 328, "length": 491, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013029", "text": "76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61", "ciphertext": "76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "gronsfeld-v3-0495", "text": "UMMVANWOVTGPRQGGRIMOTWOOIPXOVVQPBMSKRZMREIVBIQRGVDCRGTYUMYWFGPKKTTSTQCESSUUPMIITKSTA", "ciphertext": "UMMVANWOVTGPRQGGRIMOTWOOIPXOVVQPBMSKRZMREIVBIQRGVDCRGTYUMYWFGPKKTTSTQCESSUUPMIITKSTA", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "24680"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0360", "text": "UTZYQAIDSETSYWKMPJWTFFECOYPNXFZMJDSZOECAKLRPNALSYCETSZMZVGMSOFWVLOVPWBZFLTBQWAEESWHQREJ", "ciphertext": "UTZYQAIDSETSYWKMPJWTFFECOYPNXFZMJDSZOECAKLRPNALSYCETSZMZVGMSOFWVLOVPWBZFLTBQWAEESWHQREJ", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0249", "text": "FAQVBGPLLHLQAROAAHFXSTWVKGBKTQHFWLHDUTPATWLHJVHMKDAQATWLSTXFBABAXAVURIPRLUHLFUGBKTQHFQLADQRSMQVHGQXIAQBKFBKOQAKRLFQQRTALOQPQRSDADUOBKTVHARLFUJVRELVHLAOURFXFAQABRIUJPSAHTBKJVLBBHLFUSTWBKHHATWLHARN", "ciphertext": "FAQVBGPLLHLQAROAAHFXSTWVKGBKTQHFWLHDUTPATWLHJVHMKDAQATWLSTXFBABAXAVURIPRLUHLFUGBKTQHFQLADQRSMQVHGQXIAQBKFBKOQAKRLFQQRTALOQPQRSDADUOBKTVHARLFUJVRELVHLAOURFXFAQABRIUJPSAHTBKJVLBBHLFUSTWBKHHATWLHARN", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 195, "length": 195, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-138", "text": "QGDTAKGUHFIQXEI", "ciphertext": "QGDTAKGUHFIQXEI", "plaintext": "EVACUATE THE BASE", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "5,3,6,1,4,2"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0346", "text": "THEREGIMENTWILLHOLDITSPOSITIONUNTILREINFORCEMENTSARRIVEFROMTHEEASTERNCOMMANDPOSTHERE", "ciphertext": "THEREGIMENTWILLHOLDITSPOSITIONUNTILREINFORCEMENTSARRIVEFROMTHEEASTERNCOMMANDPOSTHERE", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0398", "text": "TKBQJRDJNDXVKTBWMRUIDR", "ciphertext": "TKBQJRDJNDXVKTBWMRUIDR", "plaintext": "EXTRACTION POINT CHANGED", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0203", "text": "BVCXIVQUIDTPLKIFWHACNOGCUGOOE+FCESROAGVIRLRYE+GLJHFXIAPWFXEJFSSZHTACCUIKL+HOJ", "ciphertext": "BVCXIVQUIDTPLKIFWHACNOGCUGOOE+FCESROAGVIRLRYE+GLJHFXIAPWFXEJFSSZHTACCUIKL+HOJ", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "voynich-render-v2-0099", "text": "ofdo koygo dxg dg yodxoq qzakyird gqorxhqdxxi adffzl ykvkfd kryknkg ndq gigol qilorol", "ciphertext": "ofdo koygo dxg dg yodxoq qzakyird gqorxhqdxxi adffzl ykvkfd kryknkg ndq gigol qilorol", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0257", "text": "8474131200824254952821211768617008281621425229285927374220223408278624425804222261905334252298476", "ciphertext": "8474131200824254952821211768617008281621425229285927374220223408278624425804222261905334252298476", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 97, "length": 97, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-la-031", "text": "KEWX FPA KEA", "ciphertext": "KEWX FPA KEA", "plaintext": "QUID PRO QUO", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "5,8"}, "difficulty": "beginner", "language": "la", "text_length": 10, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v3-0204", "text": "VHSNDKCKRRIQVPKJXIMZSSCUMHCBEVNDGSXQZHEZFOFFOHFCXQSSCUSNCTYSVEEWDLMHFWLRWWOCMPDZNXDZRIYOSSCUMQCBEVNDIOLVDZWMGDGOUKHMQURHEWIMCUVDFFKMHMVHXJODNXGOHDRDLPGEFFHMLAQM", "ciphertext": "VHSNDKCKRRIQVPKJXIMZSSCUMHCBEVNDGSXQZHEZFOFFOHFCXQSSCUSNCTYSVEEWDLMHFWLRWWOCMPDZNXDZRIYOSSCUMQCBEVNDIOLVDZWMGDGOUKHMQURHEWIMCUVDFFKMHMVHXJODNXGOHDRDLPGEFFHMLAQM", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-145", "text": "SMBWQHZRIKUAEBNHWSEUBRFSHEBRFSMEECQL", "ciphertext": "SMBWQHZRIKUAEBNHWSEUBRFSHEBRFSMEECQL", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rot13-v2-0044", "text": "PBJNEQF QVR ZNAL GVZRF ORSBER GURVE QRNGUF GUR INYVNAG ARIRE GNFGR QRNGU OHG BAPR", "ciphertext": "PBJNEQF QVR ZNAL GVZRF ORSBER GURVE QRNGUF GUR INYVNAG ARIRE GNFGR QRNGU OHG BAPR", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-es-061", "text": "UMGLFIGDTWSISCTSSHWMILRXQYJLHVEQGLWZOXDYXRPBT", "ciphertext": "UMGLFIGDTWSISCTSSHWMILRXQYJLHVEQGLWZOXDYXRPBT", "plaintext": "SERE BREVE PORQUE LO QUE TENGO QUE DECIR ES IMPORTANTE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "es", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-v2-0455", "text": "77 28 86 34 56 75 28 48 45 24 63 29 79 45 64 76 25 56 45 24 65 58 47 52 26 66 65 48 46 24 97 46 59 34 56 74 27 49 72 43 84 59 60 35 25 97 46 49 32 57 84 47 79 44 26 63 59 68 32 36 63 59 47 32 36 105 25 47 66 45 66 25 58 35 23 75 38 68 73 36 67 47 46 56 45 74 38 48 66 33 64 25 50 36 36 67 47 58 33 57 76 29 80 35 57 84 38 77 34 26 94 28 79 54 57 85 28 46 66 44 64 59 47 56 47 93 38 46 33 25 76 37 48 45 24 97 38 50 45 55 103 26 70", "ciphertext": "77 28 86 34 56 75 28 48 45 24 63 29 79 45 64 76 25 56 45 24 65 58 47 52 26 66 65 48 46 24 97 46 59 34 56 74 27 49 72 43 84 59 60 35 25 97 46 49 32 57 84 47 79 44 26 63 59 68 32 36 63 59 47 32 36 105 25 47 66 45 66 25 58 35 23 75 38 68 73 36 67 47 46 56 45 74 38 48 66 33 64 25 50 36 36 67 47 58 33 57 76 29 80 35 57 84 38 77 34 26 94 28 79 54 57 85 28 46 66 44 64 59 47 56 47 93 38 46 33 25 76 37 48 45 24 97 38 50 45 55 103 26 70", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 288, "length": 430, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0308", "text": "MSTOMGWOLEMMMERNZFWSCOFLTFVPKEQHNPSAWRWGZMFYGEXNRVIJMRPULRGSCEYXXIHRQYJXXWYJLSWRRCFYTQOCLEMQNGWDMGUWGFKPVVBYBHWUIFDJUEOZDXIZSRWZJJPUCFFYCIQGOKPZAPTQTUQXDLGCGYHL", "ciphertext": "MSTOMGWOLEMMMERNZFWSCOFLTFVPKEQHNPSAWRWGZMFYGEXNRVIJMRPULRGSCEYXXIHRQYJXXWYJLSWRRCFYTQOCLEMQNGWDMGUWGFKPVVBYBHWUIFDJUEOZDXIZSRWZJJPUCFFYCIQGOKPZAPTQTUQXDLGCGYHL", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002262", "text": "SEEBE NBEESQGWBA OAQ RRGSQGWBA OER THAROZSAGOY GB FRQHES FLFGRZF QBHPYR GEOAFCBFWGWBA OCCYVRF QBYHZAOE SAPELCGVBA GJWNR GVR ZRFFOTS JOF VVRQRA PHG ABG FRQHES", "ciphertext": "SEEBE NBEESQGWBA OAQ RRGSQGWBA OER THAROZSAGOY GB FRQHES FLFGRZF QBHPYR GEOAFCBFWGWBA OCCYVRF QBYHZAOE SAPELCGVBA GJWNR GVR ZRFFOTS JOF VVRQRA PHG ABG FRQHES", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "porta", "cipher": "porta", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "nomenclator-v2-0319", "text": "64 60 02 05 07 09 14 14 09 14 07 07 15 04 03 18 05 01 20 05 04 60 08 05 01 22 05 14 61 60 05 01 18 20 08 61 04 01 18 11 14 05 19 19 23 01 19 21 16 15 14 60 06 01 03 05 62 04 05 05 16", "ciphertext": "64 60 02 05 07 09 14 14 09 14 07 07 15 04 03 18 05 01 20 05 04 60 08 05 01 22 05 14 61 60 05 01 18 20 08 61 04 01 18 11 14 05 19 19 23 01 19 21 16 15 14 60 06 01 03 05 62 04 05 05 16", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 122, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-111", "text": "KDODMIECNNLSAOOEVYCCWIRFIHORYINGWIASYTAFOEENTTTONLEPNRNKIIOT", "ciphertext": "KDODMIECNNLSAOOEVYCCWIRFIHORYINGWIASYTAFOEENTTTONLEPNRNKIIOT", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-227", "text": "VVENLGEEIIMIOQALNLLNDCASCUDIIETIIICAIEENSBTVIWRAA", "ciphertext": "VVENLGEEIIMIOQALNLLNDCASCUDIIETIIICAIEENSBTVIWRAA", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "intermediate", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v2-0362", "text": "D4 V3 C7 U9 E6 J4 M1 H0 A4 J6 R0 K8 C1 G4 O7 W4 V3 I0 B9 E6 J8 I4 U8 B8 D4 B9 O4 U9 D6 J4 G1 N6 M7 V2 W6 O7 N4 M8 Y8 I4 R7 A2 P6 I5 G2 A3 G4 J6 J6 Y0 I2 P9 M8 G2 T2 V8 U8 H3 Q1 K2 J4 M1 N6 D0 J6 U9 Y8 D0 W5 W2 W6 V4 N6 A3 V4 J4 X4 O4 F5 M8 X4 D0 S9 K5 U9 S6 V6 H9 J3 V4 B9 O7 T2 D4 S6 T2 U9 K2 G1 A2 N6 A3 J6 Q1 H9 A4 W5 V0 R0 R7 U9 J2 M1 M1 T2 D4 B9 B8 Q1 K2 A2 J4 W5 Q5 U0 Q5 Y0 T2 N1 Y2 G3 E3 I5 G2 R7 Y0", "ciphertext": "D4 V3 C7 U9 E6 J4 M1 H0 A4 J6 R0 K8 C1 G4 O7 W4 V3 I0 B9 E6 J8 I4 U8 B8 D4 B9 O4 U9 D6 J4 G1 N6 M7 V2 W6 O7 N4 M8 Y8 I4 R7 A2 P6 I5 G2 A3 G4 J6 J6 Y0 I2 P9 M8 G2 T2 V8 U8 H3 Q1 K2 J4 M1 N6 D0 J6 U9 Y8 D0 W5 W2 W6 V4 N6 A3 V4 J4 X4 O4 F5 M8 X4 D0 S9 K5 U9 S6 V6 H9 J3 V4 B9 O7 T2 D4 S6 T2 U9 K2 G1 A2 N6 A3 J6 Q1 H9 A4 W5 V0 R0 R7 U9 J2 M1 M1 T2 D4 B9 B8 Q1 K2 A2 J4 W5 Q5 U0 Q5 Y0 T2 N1 Y2 G3 E3 I5 G2 R7 Y0", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 272, "length": 407, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0317", "text": "IAYTPRDTDVUKJJVWKSBOEOKKEHLSPGUVKWDELZRZFGRNTGVKFFPJSRZOFBKKWHZZWHAICFEEUR", "ciphertext": "IAYTPRDTDVUKJJVWKSBOEOKKEHLSPGUVKWDELZRZFGRNTGVKFFPJSRZOFBKKWHZZWHAICFEEUR", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0026", "text": "90 55 63 56 81 24 49 53 54 91 90 59 25 63 33 56 82 91 90 61 54 53 56 91", "ciphertext": "90 55 63 56 81 24 49 53 54 91 90 59 25 63 33 56 82 91 90 61 54 53 56 91", "plaintext": "TREASURE BURIED HERE", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0064", "text": "VQZNIIIFWXVNITXXWIUXPJKIABYWCWZCGVPRZCXBZIBSCDYEWSLNQGXJJPESNRDLUIJMDRZDMO", "ciphertext": "VQZNIIIFWXVNITXXWIUXPJKIABYWCWZCGVPRZCXBZIBSCDYEWSLNQGXJJPESNRDLUIJMDRZDMO", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0443", "text": "T+MUELSEIZXBCGLSJGXT", "ciphertext": "T+MUELSEIZXBCGLSJGXT", "plaintext": "THE COMPASS POINTS TRUE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-032", "text": "YLQWELRRWXVDOACVSOOZYZGTZZZAXSYVYOWPXNPYGNHEV", "ciphertext": "YLQWELRRWXVDOACVSOOZYZGTZZZAXSYVYOWPXNPYGNHEV", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAA"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-127", "text": "SUPPLYLINECOMPROMISED", "ciphertext": "SUPPLYLINECOMPROMISED", "plaintext": "SUPPLY LINE COMPROMISED", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014770", "text": "805 813 800 861 815 844 853 859 999 826 854 999 857 823 812 999 852 814 807 824 847 853 843 807 801 835 999 844 815 999 865 826 820 814 841 814 852 814 999 801 839 811 999 811 813 807 853 872 847 858 854 999 826 857 855 813 835 815 999 859 823 812 999 801 852 806 823 826 858 814 806 859 862 851 813 999 856 821 844 861 834 809 999 836 802 831 814 999 836 824 854 861 854 814 999 821 801 852 810 814 852 999 858 822 813 999 815 852 825 814 811 836 801 839 999 859 812 855 859 999 861 854 814 856 999 857 821 814 999 826 841 811 814 869 999 843 815 999 807 844 825 841 808 824 810 812 841 808 813 999 859 842 999 812 856 857 825 838 802 859 813 999 831 814 874 999 834 814 841 818 857 823 999", "ciphertext": "805 813 800 861 815 844 853 859 999 826 854 999 857 823 812 999 852 814 807 824 847 853 843 807 801 835 999 844 815 999 865 826 820 814 841 814 852 814 999 801 839 811 999 811 813 807 853 872 847 858 854 999 826 857 855 813 835 815 999 859 823 812 999 801 852 806 823 826 858 814 806 859 862 851 813 999 856 821 844 861 834 809 999 836 802 831 814 999 836 824 854 861 854 814 999 821 801 852 810 814 852 999 858 822 813 999 815 852 825 814 811 836 801 839 999 859 812 855 859 999 861 854 814 856 999 857 821 814 999 826 841 811 814 869 999 843 815 999 807 844 825 841 808 824 810 812 841 808 813 999 859 842 999 812 856 857 825 838 802 859 813 999 831 814 874 999 834 814 841 818 857 823 999", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 146, "length": 146, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "trifid-v3-0341", "text": "UFFBWDAMFKQDQOLRJKMO", "ciphertext": "UFFBWDAMFKQDQOLRJKMO", "plaintext": "THE REDCOATS ARE COMING", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0036", "text": "34 43 65 59 55 59 75 47 86 66 28 27 65 37", "ciphertext": "34 43 65 59 55 59 75 47 86 66 28 27 65 37", "plaintext": "LIBERTY OR DEATH", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1028", "text": "SLHFOQHWCB DCWBH QVOBUSR", "ciphertext": "SLHFOQHWCB DCWBH QVOBUSR", "plaintext": "EXTRACTION POINT CHANGED", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 14}, "difficulty": "beginner", "language": "en", "text_length": 22, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0243", "text": "584384742884191800374", "ciphertext": "584384742884191800374", "plaintext": "THE HARBOR IS CLEAR", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0346", "text": "JMBTGJPYTBPIPTGJA", "ciphertext": "JMBTGJPYTBPIPTGJA", "plaintext": "OLD IRONSIDES HOLDS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0395", "text": "THESGOTHEARDROUNDTHEWORLD", "ciphertext": "THESGOTHEARDROUNDTHEWORLD", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0529", "text": "NINKTBTILDQUNIBDGIUSTBTNINDNLONIBATDQIUZECHDALHIOEKIWERPGFHDALZECAYIPXDDNPACRE", "ciphertext": "NINKTBTILDQUNIBDGIUSTBTNINDNLONIBATDQIUZECHDALHIOEKIWERPGFHDALZECAYIPXDDNPACRE", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0061", "text": "DGDFDAAVGAVDXVXVGXDADVADFAADAADDVAADAFFAFAFDAGADGFGGDXDGVDDVFGGVADADXAVGXXFFVGAGFDAFDFGFADGVDFAAAFFFFAGAGAFGAFADAAGGFDGAFAFADDGDVDVDVDXDVXXAAGAFDFVXVVVD", "ciphertext": "DGDFDAAVGAVDXVXVGXDADVADFAADAADDVAADAFFAFAFDAGADGFGGDXDGVDDVFGGVADADXAVGXXFFVGAGFDAFDFGFADGVDFAAAFFFFAGAGAFGAFADAAGGFDGAFAFADDGDVDVDVDXDVXXAAGAFDFVXVVVD", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 152, "length": 152, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0090", "text": "DRIDIWPCPOOSONIREFMJYGKTGOJQAXFYZEEFBIDCOKJXYGKFYAVREPNAKWOKTAALUJCZODUXSAFFIR", "ciphertext": "DRIDIWPCPOOSONIREFMJYGKTGOJQAXFYZEEFBIDCOKJXYGKFYAVREPNAKWOKTAALUJCZODUXSAFFIR", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018230", "text": "- .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.. .- .. -. - . -..- - / .. - ... . .-.. ..-.", "ciphertext": "- .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.. .- .. -. - . -..- - / .. - ... . .-.. ..-.", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0013757", "text": "GSSF ZJJJ NALE RNMG GZYB FUYI RZNE SHQR LEYD JAQB YVTK TQCD CDHY CWNJ EAWQ GETZ PQNU BCFL WTMQ EFQI KCDA AENF UAEE ZBXC XVBO IQJK LLJM FBBG IJSD IVJD SPGZ CHNE IZA", "ciphertext": "GSSF ZJJJ NALE RNMG GZYB FUYI RZNE SHQR LEYD JAQB YVTK TQCD CDHY CWNJ EAWQ GETZ PQNU BCFL WTMQ EFQI KCDA AENF UAEE ZBXC XVBO IQJK LLJM FBBG IJSD IVJD SPGZ CHNE IZA", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY ATBASH ENCODES BY REVERSING THE ALPHABET CERTAINLY", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 131, "length": 131, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "solitaire-v3-0148", "text": "XMNRCOTJRNAESFHOL", "ciphertext": "XMNRCOTJRNAESFHOL", "plaintext": "THE RAILWAY ARRIVES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0295", "text": "OUEXSNWQNVOSCXVWNAKBDFVRAIHEJAUDKTYZYUDSLWUEFLNHLUHKEJNGUEUZXMVJHGCKTBLCKHKJDRWX", "ciphertext": "OUEXSNWQNVOSCXVWNAKBDFVRAIHEJAUDKTYZYUDSLWUEFLNHLUHKEJNGUEUZXMVJHGCKTBLCKHKJDRWX", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-141", "text": "YCRDPIYBTQQDSEYTYP", "ciphertext": "YCRDPIYBTQQDSEYTYP", "plaintext": "THE BRIDGE IS SECURED", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 99}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0184", "text": "MBGUVGHFYBGMNVVGXPWTOKRPGKGTALVZVTXVPTMWGBCTVJGBNLNQBGTCVTNQKBGMNFGILTGWAVGALJNMPO", "ciphertext": "MBGUVGHFYBGMNVVGXPWTOKRPGKGTALVZVTXVPTMWGBCTVJGBNLNQBGTCVTNQKBGMNFGILTGWAVGALJNMPO", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0290", "text": "WQPIXTSKWQNMPWSTAHRSPF", "ciphertext": "WQPIXTSKWQNMPWSTAHRSPF", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0189", "text": "MTOPYDUMPPENPAVYLYFUXKICFUEVAHORLMEMUQXYTZAFUHLWEJIFOELISYQOKUNGURFEMTAQQITOP", "ciphertext": "MTOPYDUMPPENPAVYLYFUXKICFUEVAHORLMEMUQXYTZAFUHLWEJIFOELISYQOKUNGURFEMTAQQITOP", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0820", "text": "QLPBPMAPHIFTUNLAPBFFSBAPATHLSTHSPTFNHHSQPIIPHBAPITHQHUTNHPMLNHSOHBSHBUFFMXS", "ciphertext": "QLPBPMAPHIFTUNLAPBFFSBAPATHLSTHSPTFNHHSQPIIPHBAPITHQHUTNHPMLNHSOHBSHBUFFMXS", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 71}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "null-cipher-024", "text": "the right uout sentence they now only our number each", "ciphertext": "the right uout sentence they now only our number each", "plaintext": "TRUST NO ONE", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "first"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013367", "text": "8.1.3 1.6.5 13.1.1 16.4.10 11.4.6 12.6.4 17.3.8 19.6.1 19.3.10 18.1.9 3.4.10 1.1.2 14.6.5 1.6.10 11.1.2 11.5.5 4.3.9 1.4.7 7.3.8 8.4.9 20.5.8 12.6.4 12.4.2 13.1.10 3.5.4 6.5.6 12.4.3 18.3.2 4.5.10 1.4.5 7.2.6 3.4.2 14.1.8 5.6.8 6.4.7 14.4.2 8.1.8 2.5.10 3.4.10 12.4.2 3.1.1 15.3.10 8.6.2 1.2.6", "ciphertext": "8.1.3 1.6.5 13.1.1 16.4.10 11.4.6 12.6.4 17.3.8 19.6.1 19.3.10 18.1.9 3.4.10 1.1.2 14.6.5 1.6.10 11.1.2 11.5.5 4.3.9 1.4.7 7.3.8 8.4.9 20.5.8 12.6.4 12.4.2 13.1.10 3.5.4 6.5.6 12.4.3 18.3.2 4.5.10 1.4.5 7.2.6 3.4.2 14.1.8 5.6.8 6.4.7 14.4.2 8.1.8 2.5.10 3.4.10 12.4.2 3.1.1 15.3.10 8.6.2 1.2.6", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "affine-598", "text": "FUXIUXK IUXKXWNKX DX XBI NK YKTOR NK FUBIJNXGXK DX YN YN BQQ IN IUX VQNKD NW VNY WNK IUX XBKIU TJ IUX QNKYJ BOY IUX WHQQOXJJ IUXKXNW IUX FNKQY BOY IUXD IUBI YFXQQ IUXKXTO", "ciphertext": "FUXIUXK IUXKXWNKX DX XBI NK YKTOR NK FUBIJNXGXK DX YN YN BQQ IN IUX VQNKD NW VNY WNK IUX XBKIU TJ IUX QNKYJ BOY IUX WHQQOXJJ IUXKXNW IUX FNKQY BOY IUXD IUBI YFXQQ IUXKXTO", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 25, "b": 1}, "difficulty": "beginner", "language": "en", "text_length": 137, "length": 170, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0406", "text": "HBLRTAPIABBEMDVPASAE", "ciphertext": "HBLRTAPIABBEMDVPASAE", "plaintext": "COURAGE IN DARKNESS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v2-0038", "text": "..-. .-.. . . - / .- ... ... . -- -... .-.. . ... / .- - / .... .- .-. -... --- .-.", "ciphertext": "..-. .-.. . . - / .- ... ... . -- -... .-.. . ... / .- - / .... .- .-. -... --- .-.", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 59, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0029", "text": "4HPRGHNOLTQE6EJOOMCG", "ciphertext": "4HPRGHNOLTQE6EJOOMCG", "plaintext": "THE REDCOATS ARE COMING", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0133", "text": "RESDEZLOXUWGYZ", "ciphertext": "RESDEZLOXUWGYZ", "plaintext": "SIGNAL FIRES LIT", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008605", "text": "GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ", "ciphertext": "GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "stager-route-v3-0126", "text": "DLNEAOTDMALENESTEXXL", "ciphertext": "DLNEAOTDMALENESTEXXL", "plaintext": "DEAD MEN TELL NO TALES", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0048", "text": "IGRSXRRICMMRYMMQNHZHKBLHMEFLOTEOXRNRJWKCSMLZHDSLGWQDLQLOXXLBCOJMMQNH", "ciphertext": "IGRSXRRICMMRYMMQNHZHKBLHMEFLOTEOXRNRJWKCSMLZHDSLGWQDLQLOXXLBCOJMMQNH", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008107", "text": "GUR YVOENEL CERFREIRF XABJYRQTR SBE GUR PBZZHAVGL GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE OEHGR SBEPR JBEXF BAYL JURA GUR XRL FCNPR VF FZNYY CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF", "ciphertext": "GUR YVOENEL CERFREIRF XABJYRQTR SBE GUR PBZZHAVGL GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE OEHGR SBEPR JBEXF BAYL JURA GUR XRL FCNPR VF FZNYY CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 167, "length": 167, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "nihilist-085", "text": "67 86 54 47 69 75 86 80 65 48 78 65 56 89 58 58", "ciphertext": "67 86 54 47 69 75 86 80 65 48 78 65 56 89 58 58", "plaintext": "LOCK DOWN ALL GATES", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "keyword": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v3-0001", "text": "108 178 170 154 125 103 117 172 172 166 163 100 135 102 140", "ciphertext": "108 178 170 154 125 103 117 172 172 166 163 100 135 102 140", "plaintext": "THE ORACLE HAS SPOKEN", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014054", "text": "THANZ IELIN DZEHS HUSHT KINMA ETKIN BEMOA SITKI NCLAG IAIHL INDZE HGAHM OASIA KHANA ASTSO SISHU SHTKI NTSAH DZEHD IBEHW OLLAC HEECL AGIAI HAKHA DIBEH YAZZI ETSAH ASZIH SHUSH TKINN ODAIH DIBEH DIBEH CAYEI LTHNO DAIHW OLLAC HEEGA HDZEH GLOEI HTKIN THANZ IE", "ciphertext": "THANZ IELIN DZEHS HUSHT KINMA ETKIN BEMOA SITKI NCLAG IAIHL INDZE HGAHM OASIA KHANA ASTSO SISHU SHTKI NTSAH DZEHD IBEHW OLLAC HEECL AGIAI HAKHA DIBEH YAZZI ETSAH ASZIH SHUSH TKINN ODAIH DIBEH DIBEH CAYEI LTHNO DAIHW OLLAC HEEGA HDZEH GLOEI HTKIN THANZ IE", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 212, "length": 212, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "porta-200", "text": "WKDGGLVKUHQLBFSYK", "ciphertext": "WKDGGLVKUHQLBFSYK", "plaintext": "CRYPTOGRAPHY RULES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PORTAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018978", "text": "DLJRR TYKZQ ZDBPP XKRYK OHQGZ DPERS QRNNP FELYV UQJVZ QQNSC IYYPG YJQYP MUIHK PCPIX UJAWI WKSCV QXJNY ISZJX TZITI GJPXE SPNXJ KGWUQ VKILM HDHYU ARK", "ciphertext": "DLJRR TYKZQ ZDBPP XKRYK OHQGZ DPERS QRNNP FELYV UQJVZ QQNSC IYYPG YJQYP MUIHK PCPIX UJAWI WKSCV QXJNY ISZJX TZITI GJPXE SPNXJ KGWUQ VKILM HDHYU ARK", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 123, "length": 123, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "playfair-336", "text": "BSZOQDEBOXXCXCTUQABQYTACQNBHGIIDTOIQXNQOPTSYQONHGVBECGQOCQANNIKUBDSGAIFAKTCQOPIMCQQONQAQHENAIVNIDLAGTUKDQNBHQOAQCXYTTWPDBSZOYTOPDGCXBCDQSOGHBZGSXI", "ciphertext": "BSZOQDEBOXXCXCTUQABQYTACQNBHGIIDTOIQXNQOPTSYQONHGVBECGQOCQANNIKUBDSGAIFAKTCQOPIMCQQONQAQHENAIVNIDLAGTUKDQNBHQOAQCXYTTWPDBSZOYTOPDGCXBCDQSOGHBZGSXI", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 146, "length": 146, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v2-0312", "text": "02 12 15 15 04 19 23 05 01 20 61 20 05 01 18 19 20 08 05 19 05 01 18 05 23 08 01 20 09 15 06 06 05 18 25 15 21 06 15 18 60 04 05 06 05 14 19 05 62 15 21 18 09 19 12 01 14 04 14 01 20 09 15 14", "ciphertext": "02 12 15 15 04 19 23 05 01 20 61 20 05 01 18 19 20 08 05 19 05 01 18 05 23 08 01 20 09 15 06 06 05 18 25 15 21 06 15 18 60 04 05 06 05 14 19 05 62 15 21 18 09 19 12 01 14 04 14 01 20 09 15 14", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 128, "length": 191, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003674", "text": "TEBAFSRYQ HFRF N QVTVG FRDHRAPR NF GUR ERCRNGVAT XRL RIREL FLFGRZ ARRQF NA UBARFG GUERNG ZBQRY", "ciphertext": "TEBAFSRYQ HFRF N QVTVG FRDHRAPR NF GUR ERCRNGVAT XRL RIREL FLFGRZ ARRQF NA UBARFG GUERNG ZBQRY", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0006487", "text": "PELC GBTE OCUL ENJO ERFC OGVS AQSO ARPO ERSH YGVV AXVA UXRE PXVB STFC EVAQ VCYR FOLF GURF LFGR ZZHF GPRF RQHE RSIN AVSS ANZL XABJ FOYU BENG UZSO NYNY BFSN VFOC BFGH ENAB GOFY BTOA VARR KBSQ BVAQ VRSA NSZN OFHE RFYR GGRE TERD HNAQ LRVF GEVP HGNB A", "ciphertext": "PELC GBTE OCUL ENJO ERFC OGVS AQSO ARPO ERSH YGVV AXVA UXRE PXVB STFC EVAQ VCYR FOLF GURF LFGR ZZHF GPRF RQHE RSIN AVSS ANZL XABJ FOYU BENG UZSO NYNY BFSN VFOC BFGH ENAB GOFY BTOA VARR KBSQ BVAQ VRSA NSZN OFHE RFYR GGRE TERD HNAQ LRVF GEVP HGNB A", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM FAIL CLOSED IS A POSTURE NOT A SLOGAN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 197, "length": 197, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "cda-0004051", "text": "CHMTT OELLY NEYOE LARDM FLSXX PYOAE SSSTR TRWAX XCHCT NEICA SEEEE XXINW RECAL HCSOT SXXSH RBUWC IHRRK EMXXA KSUIY P", "ciphertext": "CHMTT OELLY NEYOE LARDM FLSXX PYOAE SSSTR TRWAX XCHCT NEICA SEEEE XXINW RECAL HCSOT SXXSH RBUWC IHRRK EMXXA KSUIY P", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 12}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v3-0519", "text": "IPQSTEENMTQEEVAMNELJALDEGKVMXJEQLCIENEPEQGUQEHQSATPQGJEQAMNTPSSGAJRUALTRMJRJRFALGDQNLTQSDQMMGCTESKVGKPVRDXJEXEGLFEGFMHXCGCTAIPEESCGDPEHRGMJPPATQQERTQXMJRJPWAEMDPEAARTEDPWEVVGESEGJMATRDECSTASSGHQWRTPVGCGFALDRDEGENCSGH", "ciphertext": "IPQSTEENMTQEEVAMNELJALDEGKVMXJEQLCIENEPEQGUQEHQSATPQGJEQAMNTPSSGAJRUALTRMJRJRFALGDQNLTQSDQMMGCTESKVGKPVRDXJEXEGLFEGFMHXCGCTAIPEESCGDPEHRGMJPPATQQERTQXMJRJPWAEMDPEAARTEDPWEVVGESEGJMATRDECSTASSGHQWRTPVGCGFALDRDEGENCSGH", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 216, "length": 216, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013228", "text": "859 822 813 999 826 839 809 813 871 999 843 815 999 808 843 824 839 807 824 811 814 839 806 812 999 825 854 999 802 999 862 854 813 817 861 835 999 807 834 861 813 999 800 857 803 801 854 821 999 812 840 807 842 810 814 856 999 805 873 999 851 813 865 814 853 854 825 840 819 999 859 821 813 999 800 833 846 822 801 805 813 857 999 859 852 801 841 855 847 843 856 824 859 825 842 839 999 808 826 847 821 812 851 855 999 853 812 802 853 851 802 839 819 814 999 833 814 858 857 814 852 856 999 866 824 858 822 843 861 859 999 855 862 803 856 857 826 859 861 857 826 844 841 999 857 823 814 999 804 813 855 858 999 834 813 854 856 844 839 856 999 854 821 844 867 999 867 822 814 853 813 999 857 823 812 999 836 812 859 821 844 809 999 817 801 825 834 854 999", "ciphertext": "859 822 813 999 826 839 809 813 871 999 843 815 999 808 843 824 839 807 824 811 814 839 806 812 999 825 854 999 802 999 862 854 813 817 861 835 999 807 834 861 813 999 800 857 803 801 854 821 999 812 840 807 842 810 814 856 999 805 873 999 851 813 865 814 853 854 825 840 819 999 859 821 813 999 800 833 846 822 801 805 813 857 999 859 852 801 841 855 847 843 856 824 859 825 842 839 999 808 826 847 821 812 851 855 999 853 812 802 853 851 802 839 819 814 999 833 814 858 857 814 852 856 999 866 824 858 822 843 861 859 999 855 862 803 856 857 826 859 861 857 826 844 841 999 857 823 814 999 804 813 855 858 999 834 813 854 856 844 839 856 999 854 821 844 867 999 867 822 814 853 813 999 857 823 812 999 836 812 859 821 844 809 999 817 801 825 834 854 999", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE ATBASH ENCODES BY REVERSING THE ALPHABET TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 161, "length": 161, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0010898", "text": "TTHEAEVOREYENALCEOUTHEOMRRIMENSEETAIADREECUIDVDECCYDSMSPCEIRATLSEAESOESSTOSHHRTSRUDURBNBNETATDIEWNYXCRMSOLCEFVENHECRHSMXHEAEBEEFIEMHRLASYEAXISKHSECODRNOECLTMCTX", "ciphertext": "TTHEAEVOREYENALCEOUTHEOMRRIMENSEETAIADREECUIDVDECCYDSMSPCEIRATLSEAESOESSTOSHHRTSRUDURBNBNETATDIEWNYXCRMSOLCEFVENHECRHSMXHEAEBEEFIEMHRLASYEAXISKHSECODRNOECLTMCTX", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "scytale", "cipher": "scytale", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "solitaire-002", "text": "XFKWRLLFYU", "ciphertext": "XFKWRLLFYU", "plaintext": "FLEE AT ONCE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v3-1370", "text": "QANHXYNAR TU QYN XPLAQ", "ciphertext": "QANHXYNAR TU QYN XPLAQ", "plaintext": "TREACHERY IN THE COURT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 21, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0110", "text": "QSZOJFIMFNRHEBYQUQWXAFNACMYRIIEULBYSHJMDHPWLHJYTQCUPWZTBKHEWYYBKMVCYILWPDVUDHVSAQPQSLJTZDBGUZJWUSIXEELJPOLPCKBLHVOZQWMLOADDBOULXFFBVLAKF", "ciphertext": "QSZOJFIMFNRHEBYQUQWXAFNACMYRIIEULBYSHJMDHPWLHJYTQCUPWZTBKHEWYYBKMVCYILWPDVUDHVSAQPQSLJTZDBGUZJWUSIXEELJPOLPCKBLHVOZQWMLOADDBOULXFFBVLAKF", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013053", "text": "YPCHO LDARA LOKEE DYOTE DYOKE DYQOK EEDYD AINYL KAIIN KAIII NSHAL QOKEE DYYTA IINDA INYDA LSHEE DYCHE OLCHE DALKA IIINY KCHEO LOTOL OTAIN CTAII NRAII NOTOL OTOLK AIIIN SHORD ARALS HEOLD ALYTA IINAI IINSH EDYQO KEEDY DARAL SHEDY OKEED YOKAL OXEDO KEDYS HARAL DALQO KEEDY CHOLD AIINL KAIIN RCHEO LSHOR SHARA LQOKE EDYRA IIN", "ciphertext": "YPCHO LDARA LOKEE DYOTE DYOKE DYQOK EEDYD AINYL KAIIN KAIII NSHAL QOKEE DYYTA IINDA INYDA LSHEE DYCHE OLCHE DALKA IIINY KCHEO LOTOL OTAIN CTAII NRAII NOTOL OTOLK AIIIN SHORD ARALS HEOLD ALYTA IINAI IINSH EDYQO KEEDY DARAL SHEDY OKEED YOKAL OXEDO KEDYS HARAL DALQO KEEDY CHOLD AIINL KAIIN RCHEO LSHOR SHARA LQOKE EDYRA IIN", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE ATBASH ENCODES BY REVERSING THE ALPHABET DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 268, "length": 268, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "typex-v2-0493", "text": "WNRDICTRBNZFDYTNDXKEDMYJFMVUOFIXINDRXZYFTJFINQRSMPILHTIPDJOUSQOQPCJKYQOPSOAGXYJOZGUCWPUUJMPYAATJMYDYSGUJSREDAIIXIYSBUASKBXWXRAZNCLBLZMTMOYSXVZQXNDFMPHOYVJHSWVWIP", "ciphertext": "WNRDICTRBNZFDYTNDXKEDMYJFMVUOFIXINDRXZYFTJFINQRSMPILHTIPDJOUSQOQPCJKYQOPSOAGXYJOZGUCWPUUJMPYAATJMYDYSGUJSREDAIIXIYSBUASKBXWXRAZNCLBLZMTMOYSXVZQXNDFMPHOYVJHSWVWIP", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0367", "text": "DTYENTOREQFEYPGUPYVIOWAFTILUIWMNOCEFAEWKYSFUYNPHEUFNOYGTMYVLJAEPYDJODGUYWMSOEL", "ciphertext": "DTYENTOREQFEYPGUPYVIOWAFTILUIWMNOCEFAEWKYSFUYNPHEUFNOYGTMYVLJAEPYDJODGUYWMSOEL", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0048", "text": "GEKREIKWDSUKTCYGCQMILOECDPNPTFYSCBNKRNDPPRTSUYWUXEPFNKMQMDEGMAWXCKBLFJMAFMCBWUDXPYAUMIYZ", "ciphertext": "GEKREIKWDSUKTCYGCQMILOECDPNPTFYSCBNKRNDPPRTSUYWUXEPFNKMQMDEGMAWXCKBLFJMAFMCBWUDXPYAUMIYZ", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-217", "text": "SODZQQPTJFVKRMFXODZQQHHETAZSILSPTKZKMRLREP", "ciphertext": "SODZQQPTJFVKRMFXODZQQHHETAZSILSPTKZKMRLREP", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v3-0153", "text": "147 161 131 179 143 154 125 100 167 180 117 116 174 119 119 160 143 175 129 143 138 125 174 152 119 112 173 177 169 174 166 169 146 114 161 176 109 117 125 179 146 129 100 170 173 168 136 110 107 143 169 151 114 140 155 169 147 175", "ciphertext": "147 161 131 179 143 154 125 100 167 180 117 116 174 119 119 160 143 175 129 143 138 125 174 152 119 112 173 177 169 174 166 169 146 114 161 176 109 117 125 179 146 129 100 170 173 168 136 110 107 143 169 151 114 140 155 169 147 175", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 174, "length": 231, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-es-045", "text": "FQBLGFQYGMGBNDXIWLTRGIJCJYLMEIHYA", "ciphertext": "FQBLGFQYGMGBNDXIWLTRGIJCJYLMEIHYA", "plaintext": "DIME CON QUIEN ANDAS Y TE DIRE QUIEN ERES", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "es", "text_length": 33, "length": 33, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0436", "text": "GXDFDGAFGADVVGGVDGGGAFFGAVDVADDAADDADFXADDAGXDDGGAAAXGFAAGFDVDVFDFDGFGAFAAVGVDXDFDFAXAVDFGFAGAFFAFGGAVAXDFFVAAAVDDGFDDDXAFDGGAGVDVVAGFAA", "ciphertext": "GXDFDGAFGADVVGGVDGGGAFFGAVDVADDAADDADFXADDAGXDDGGAAAXGFAAGFDVDVFDFDGFGAFAAVGVDXDFDFAXAVDFGFAGAFFAFGGAVAXDFFVAAAVDDGFDDDXAFDGGAGVDVVAGFAA", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0070", "text": "QUNTF TFE RPVEM MEVERKNRE TFE AGRC SPT NM TFE AUST NB OPJJPS HUST PANVE KY LFPKAER CNNR", "ciphertext": "QUNTF TFE RPVEM MEVERKNRE TFE AGRC SPT NM TFE AUST NB OPJJPS HUST PANVE KY LFPKAER CNNR", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "beginner", "language": "en", "text_length": 71, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-012", "text": "... ....   ... .....   . .....   .... ..   . .   .... ....   .. ....   ... ....   ... ...   . ..   . .....   .. ..   .. ....   ... ...   .... ...", "ciphertext": "... ....   ... .....   . .....   .... ..   . .   .... ....   .. ....   ... ....   ... ...   . ..   . .....   .. ..   .. ....   ... ...   .... ...", "plaintext": "OPERATION BEGINS", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 88, "length": 145, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016687", "text": "KAII INOX EDCH EOLC HOLS HAII NOTA INKA IIIN CHED YSHE DYYK CHEO LSHE DYCH OLOK EDYD ALOK ALYT AIIN QOTE DYYK CHEO LOKS HYOK SHYC HOLD AINY OROR CTAI INOK ALYK CHEO LOKE EDY", "ciphertext": "KAII INOX EDCH EOLC HOLS HAII NOTA INKA IIIN CHED YSHE DYYK CHEO LSHE DYCH OLOK EDYD ALOK ALYT AIIN QOTE DYYK CHEO LOKS HYOK SHYC HOLD AINY OROR CTAI INOK ALYK CHEO LOKE EDY", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION SLOWLY", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "adfgx-v3-0234", "text": "DGGAXAADFFFXDGADXFXDFDDFDAFADADDAA", "ciphertext": "DGGAXAADFFFXDGADXFXDFDDFDAFADADDAA", "plaintext": "THE RAILWAY ARRIVES", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 34, "length": 34, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0563", "text": "QDOZALLOPISHKQWMIFNOGWSNORDKORIRVSKLFEGSRYBLKHKUHLSHIRRIPFCQIHITBRDGKQKSEUAPWAPYIN", "ciphertext": "QDOZALLOPISHKQWMIFNOGWSNORDKORIRVSKLFEGSRYBLKHKUHLSHIRRIPFCQIHITBRDGKQKSEUAPWAPYIN", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017145", "text": "25 88 23 80 82 43 59 50 80 49 22 53 82 40 49 70 27 68 66 45 99 46 66 81 62 43 58 22 63 48 27 68 33 64 68 3 93 57 58 82 4 50 93 15 87 93 63 88 48 34 91 48 53 68", "ciphertext": "25 88 23 80 82 43 59 50 80 49 22 53 82 40 49 70 27 68 66 45 99 46 66 81 62 43 58 22 63 48 27 68 33 64 68 3 93 57 58 82 4 50 93 15 87 93 63 88 48 34 91 48 53 68", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "vernam-v3-0131", "text": "IPIRFNIESGTJDSYMXBXR", "ciphertext": "IPIRFNIESGTJDSYMXBXR", "plaintext": "STEAM POWER TRANSFORMS", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010761", "text": "TIGD VHNP BNME GESH XFME XHWH CLIT WVIM GYLN BNMR GPHJ ZBZO AARG EBNS LFHL BKIE TEST FFKB NDKK QHNE GASK IVQW MTPR BRUD WTMP NBQK EUVH VKXL YDOY OLRX IKJB VPPF MMCS ASXT MYIY RJDR KPHU KIUO EBLB EBPG GFXL NDVE TVBZ YEY", "ciphertext": "TIGD VHNP BNME GESH XFME XHWH CLIT WVIM GYLN BNMR GPHJ ZBZO AARG EBNS LFHL BKIE TEST FFKB NDKK QHNE GASK IVQW MTPR BRUD WTMP NBQK EUVH VKXL YDOY OLRX IKJB VPPF MMCS ASXT MYIY RJDR KPHU KIUO EBLB EBPG GFXL NDVE TVBZ YEY", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "monoalphabetic-v2-1433", "text": "WM TNM OSIA OQSPP TO UNMTFO TNM FTUM JG TGU JSN EBQQEM EBPM BO NJSGUMU WBQA T OEMMK", "ciphertext": "WM TNM OSIA OQSPP TO UNMTFO TNM FTUM JG TGU JSN EBQQEM EBPM BO NJSGUMU WBQA T OEMMK", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "beginner", "language": "en", "text_length": 66, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-156", "text": "KASRVPUSRDDOSFHBRSLRHFABVTARVTGVPVXWNEGGWZAEFP", "ciphertext": "KASRVPUSRDDOSFHBRSLRHFABVTARVTGVPVXWNEGGWZAEFP", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v3-0001", "text": "UN+DJPCHCVFCPVHHMJ", "ciphertext": "UN+DJPCHCVFCPVHHMJ", "plaintext": "THE ORACLE HAS SPOKEN", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0311", "text": "VAFDAGADXAXAXDXFXGAGVDAFADGADAXDADXAFDFFDDDDFFVDGDDFFVDDGADDDXFFAGDAAFFAGDDXDXAAFFDXADAAADFVDXGXFXDGGFFDFDAVDDAFFXAGDDFXDXGVDDGFAADXDFFXDGDAGXAXFGAGAFAFDXDXGVFXFAFAAXAVADDXGADXAVFGDAADDVGVFFADDFFXFXGGDVFXDAAGAFAVGFDXDFAXDVAFAADVFDGADXAAFADFAFDDDDGAAXDFAVDDFVDFFDDAVAXFDDDDADFDDDGGVAFAVAVAXGDAADXAXFFDFDXDGADAXDXFVAADXDGDXGGDXAADADXDDDVGXDDVDVFGXGDDAFVAVFFAFDDADDDA", "ciphertext": "VAFDAGADXAXAXDXFXGAGVDAFADGADAXDADXAFDFFDDDDFFVDGDDFFVDDGADDDXFFAGDAAFFAGDDXDXAAFFDXADAAADFVDXGXFXDGGFFDFDAVDDAFFXAGDDFXDXGVDDGFAADXDFFXDGDAGXAXFGAGAFAFDXDXGVFXFAFAAXAVADDXGADXAVFGDAADDVGVFFADDFFXFXGGDVFXDAAGAFAVGFDXDFAXDVAFAADVFDGADXAAFADFAFDDDDGAAXDFAVDDFVDFFDDAVAXFDDDDADFDDDGGVAFAVAVAXGDAADXAXFFDFDXDGADAXDXFVAADXDGDXGGDXAADADXDDDVGXDDVDVFGXGDDAFVAVFFAFDDADDDA", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 364, "length": 364, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-de-021", "text": "52 24 42 52 15 42 14 15 33 25 11 32 35 21 15 33 45 33 14 52 24 42 52 15 42 14 15 33 43 24 15 22 15 33", "ciphertext": "52 24 42 52 15 42 14 15 33 25 11 32 35 21 15 33 45 33 14 52 24 42 52 15 42 14 15 33 43 24 15 22 15 33", "plaintext": "WIR WERDEN KAMPFEN UND WIR WERDEN SIEGEN", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "de", "text_length": 68, "length": 101, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v2-0304", "text": "IVOFLOPTFNDCCAEMECGOCAEMYLKNEKEOBMBPSILDSTHWBCTGZDFWBCTLEUYIWEZ", "ciphertext": "IVOFLOPTFNDCCAEMECGOCAEMYLKNEKEOBMBPSILDSTHWBCTGZDFWBCTLEUYIWEZ", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0078", "text": "KTQIBIKXHUJMPCCKWLCUMVBIMGULNHYTYCYSZPOUUULMXYDGHCOXTKCMRENKWWEBYHIYKOGDJWLL", "ciphertext": "KTQIBIKXHUJMPCCKWLCUMVBIMGULNHYTYCYSZPOUUULMXYDGHCOXTKCMRENKWWEBYHIYKOGDJWLL", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016603", "text": ".... ....  .. ...  . .....  . ..  . .....  .... ...  .... ....  ... .  . .....  .... ...  .... ...  ... ....  ... ...  .... ...  .... ...  .. ...  ... ....  ..... ..  ..... ..  .. ...  . .....  .... ..  . .....  .... ....  .. ...  . .....  ... ..  . .....  .... ....  .. ...  ... ....  . ....  .. .  . .  .. ....  ... .  .... ...  . ..  . .....  . .  .... .....  .. .  ... ....  .... ..  .... ....  .. ....  .... ...  .... ....  .. ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .... ..  ... ....  . ...  . .  ... .  ... ....  .. .  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . .  ... ...  . ....  . ....  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  .. ....  .... ....  .... ...  . .....  ... .  .. .", "ciphertext": ".... ....  .. ...  . .....  . ..  . .....  .... ...  .... ....  ... .  . .....  .... ...  .... ...  ... ....  ... ...  .... ...  .... ...  .. ...  ... ....  ..... ..  ..... ..  .. ...  . .....  .... ..  . .....  .... ....  .. ...  . .....  ... ..  . .....  .... ....  .. ...  ... ....  . ....  .. .  . .  .. ....  ... .  .... ...  . ..  . .....  . .  .... .....  .. .  ... ....  .... ..  .... ....  .. ....  .... ...  .... ....  .. ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .... ..  ... ....  . ...  . .  ... .  ... ....  .. .  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . .  ... ...  . ....  . ....  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  .. ....  .... ....  .... ...  . .....  ... .  .. .", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 87, "length": 87, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0018952", "text": "... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / . -. - .-. --- .--. -.-- / -- . .- ... ..- .-. . ... / ..- -. -.-. . .-. - .- .. -. - -.-- / .. -. / .- / -.. .. ... - .-. .. -... ..- - .. --- -. / -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. . .- -.. ... / -.-. --- .-.. ..- -- -. ... / .. -. / -.- . -.-- / --- .-. -.. . .-. / -- --- -.. . .-. -. / . -. -.-. .-. -.-- .--. - .. --- -. / .. ... / -. --- - / -... .-. --- -.- . -. / -... -.-- / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.--", "ciphertext": "... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / . -. - .-. --- .--. -.-- / -- . .- ... ..- .-. . ... / ..- -. -.-. . .-. - .- .. -. - -.-- / .. -. / .- / -.. .. ... - .-. .. -... ..- - .. --- -. / -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. . .- -.. ... / -.-. --- .-.. ..- -- -. ... / .. -. / -.- . -.-- / --- .-. -.. . .-. / -- --- -.. . .-. -. / . -. -.-. .-. -.-- .--. - .. --- -. / .. ... / -. --- - / -... .-. --- -.- . -. / -... -.-- / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.--", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 178, "length": 178, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0693", "text": "AWTQGEMFRJDGNLIYNUMTFDZBNYKBIXOZJMFTGGUYFUBRZRPQONFLSKGQGFWTMYGGTPYLQYIONP", "ciphertext": "AWTQGEMFRJDGNLIYNUMTFDZBNYKBIXOZJMFTGGUYFUBRZRPQONFLSKGQGFWTMYGGTPYLQYIONP", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-259", "text": "PPONTLPPZLMIERYO", "ciphertext": "PPONTLPPZLMIERYO", "plaintext": "NO PRISONERS TAKEN", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ENIGMA"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-v3-0212", "text": "75 20 11 64 28 49 39 29 44 33 65 42 63 38 57 77 11 87 88 25", "ciphertext": "75 20 11 64 28 49 39 29 44 33 65 42 63 38 57 77 11 87 88 25", "plaintext": "THE LEGIONS STAND READY", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0360", "text": "CEWUTAYAOLOGUALERHOHHONLMSDNTTBDMOANGIIASNESGIPYWLEAILOMRLOIEESENREEUATCHAEECSLSHOMVIDE", "ciphertext": "CEWUTAYAOLOGUALERHOHHONLMSDNTTBDMOANGIIASNESGIPYWLEAILOMRLOIEESENREEUATCHAEECSLSHOMVIDE", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0134", "text": "I2 E6 D5 R0 X3 S7 K2 G4 Z4 D5 E8 E1 M9 F7 L8 D4 U2 O5", "ciphertext": "I2 E6 D5 R0 X3 S7 K2 G4 Z4 D5 E8 E1 M9 F7 L8 D4 U2 O5", "plaintext": "ENEMY RETREATS NORTH", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0363", "text": "60 01 18 20 62 23 01 18 09 19 62 22 09 20 01 12 09 13 16 15 18 20 01 14 03 05 63 60 19 20 01 20 05 09 20 09 19 01 13 01 20 20 05 18 62 12 09 06 05 61 04 05 01 20 08 01 18 15 01 04 05 09 20 08 05 18 63 19 01 06 05 20 25 15 18 63 18 21 09 14 08 05 14 03 05 09 20 09 19 01 19 21 02 10 05 03 20 62 09 14 17 21 09 18 25 23 08 09 03 08 03 01 14 15 14 14 15 01 03 03 15 21 14 20 02 05 14 05 07 12 05 03 20 05 04", "ciphertext": "60 01 18 20 62 23 01 18 09 19 62 22 09 20 01 12 09 13 16 15 18 20 01 14 03 05 63 60 19 20 01 20 05 09 20 09 19 01 13 01 20 20 05 18 62 12 09 06 05 61 04 05 01 20 08 01 18 15 01 04 05 09 20 08 05 18 63 19 01 06 05 20 25 15 18 63 18 21 09 14 08 05 14 03 05 09 20 09 19 01 19 21 02 10 05 03 20 62 09 14 17 21 09 18 25 23 08 09 03 08 03 01 14 15 14 14 15 01 03 03 15 21 14 20 02 05 14 05 07 12 05 03 20 05 04", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 270, "length": 404, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0067", "text": "MYANRRZHAAEYFYNLMOGCEGZGXSYRCVQQUURBEYYVOCGKGJECSYGSKPQMXELONKHTFCFIQKRCDSZ", "ciphertext": "MYANRRZHAAEYFYNLMOGCEGZGXSYRCVQQUURBEYYVOCGKGJECSYGSKPQMXELONKHTFCFIQKRCDSZ", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0305", "text": "ZAEFDKEVPNGHZEWJZEKNEALLPNIMXJVJDZXLPRGVMJGHNODUOCVTZOFITEYSIGTGIZJYPNFUBQQ", "ciphertext": "ZAEFDKEVPNGHZEWJZEKNEALLPNIMXJVJDZXLPRGVMJGHNODUOCVTZOFITEYSIGTGIZJYPNFUBQQ", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019740", "text": "858 821 813 999 857 853 824 859 823 812 837 826 861 855 999 806 826 845 821 813 852 999 802 809 864 800 839 807 814 856 999 859 821 812 999 800 834 847 823 800 805 812 859 999 803 872 999 842 841 812 999 846 843 856 824 857 826 844 840 999 812 800 808 821 999 834 814 858 858 814 851 999 801 839 999 800 816 816 824 840 813 999 808 826 845 821 813 852 999 802 847 847 835 826 812 856 999 801 999 834 824 841 812 800 853 999 817 860 839 807 858 824 844 840 999 857 842 999 814 800 808 821 999 834 812 858 857 812 853 999", "ciphertext": "858 821 813 999 857 853 824 859 823 812 837 826 861 855 999 806 826 845 821 813 852 999 802 809 864 800 839 807 814 856 999 859 821 812 999 800 834 847 823 800 805 812 859 999 803 872 999 842 841 812 999 846 843 856 824 857 826 844 840 999 812 800 808 821 999 834 814 858 858 814 851 999 801 839 999 800 816 816 824 840 813 999 808 826 845 821 813 852 999 802 847 847 835 826 812 856 999 801 999 834 824 841 812 800 853 999 817 860 839 807 858 824 844 840 999 857 842 999 814 800 808 821 999 834 812 858 857 812 853 999", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 109, "length": 109, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "chaocipher-215", "text": "YUDLUEQIBRTFXSSGNPRIYBNBUGDJEKMHYZYQCEMXXW", "ciphertext": "YUDLUEQIBRTFXSSGNPRIYBNBUGDJEKMHYZYQCEMXXW", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-v2-0358", "text": "96 47 66 32 24 87 39 68 34 36 96 49 68 66", "ciphertext": "96 47 66 32 24 87 39 68 34 36 96 49 68 66", "plaintext": "SIGNAL FIRES LIT", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0176", "text": "FDDGFDFFFGFXDFAADXAGFFVAXDAADDXGVFDADFDAAAXAXDXDDGFAFFAGADXDXFVDGFXAXAXGFAVAXDFFVAAAXDXFVAVDFGGAXAAGXFAAXGXDXFAAVGAAXGDFADGFDFXXFAFDGXAGGXAXADDXAXAV", "ciphertext": "FDDGFDFFFGFXDFAADXAGFFVAXDAADDXGVFDADFDAAAXAXDXDDGFAFFAGADXDXFVDGFXAXAXGFAVAXDFFVAAAXDXFVAVDFGGAXAAGXFAAXGXDXFAAVGAAXGDFADGFDFXXFAFDGXAGGXAXADDXAXAV", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0096", "text": "DZTCQIOTIITQJJSSOBTHNPSWITNKVTKOYENOKAIKHJDYQJKNJKOENJSQCBRKDOTISQJDSVBTCQKWQSTOOS", "ciphertext": "DZTCQIOTIITQJJSSOBTHNPSWITNKVTKOYENOKAIKHJDYQJKNJKOENJSQCBRKDOTISQJDSVBTCQKWQSTOOS", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010147", "text": "TNOID EUUUE RPESW GRCUY BLOHH TEDLD EYONR NERQC HDFNE ISLEL ARRKL ETONT EENOE HTFSE NPNOO BTFUY EECCN SECTI REVNE FHMIH SSSWR EHAMR CTITK YTREX IXOIC AFLHB YSEOD OEMTE TSSWE MOION RISBE LEENX", "ciphertext": "TNOID EUUUE RPESW GRCUY BLOHH TEDLD EYONR NERQC HDFNE ISLEL ARRKL ETONT EENOE HTFSE NPNOO BTFUY EECCN SECTI REVNE FHMIH SSSWR EHAMR CTITK YTREX IXOIC AFLHB YSEOD OEMTE TSSWE MOION RISBE LEENX", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE BEST LESSONS SHOW WHERE THE METHOD FAILS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "scytale", "cipher": "scytale", "key": {"cols": 4}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0744", "text": "REQMLVFUWGAOIKXXT", "ciphertext": "REQMLVFUWGAOIKXXT", "plaintext": "ARCHERS TO THE WALLS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v2-0420", "text": "DELTFHAODVVOSETHOHTIEROUOSHRSRREUEGTONUNERCEGUM", "ciphertext": "DELTFHAODVVOSETHOHTIEROUOSHRSRREUEGTONUNERCEGUM", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0221", "text": "ZIAAALEOYBUQQPSXWPNWYZLBBKPHECDCPHDAWECXZHBWWCRWYSHMKINJOPNABSSONLCVXFBLEJBGZSCWKP", "ciphertext": "ZIAAALEOYBUQQPSXWPNWYZLBBKPHECDCPHDAWECXZHBWWCRWYSHMKINJOPNABSSONLCVXFBLEJBGZSCWKP", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0196", "text": "SOCRATESBELIEVEDTHATTHEWNEXAMINEDLIFEISNOTWORTHLIVINGAPDTHATWISDOMBEGINSWITHTHEADMISSKONOFONESOWNIGNORANCETHISAPPROAAHTOKNOWLEDGEHASGUIDEDWESTERNPHKLOSOPHYFORTWOMILLENNIA", "ciphertext": "SOCRATESBELIEVEDTHATTHEWNEXAMINEDLIFEISNOTWORTHLIVINGAPDTHATWISDOMBEGINSWITHTHEADMISSKONOFONESOWNIGNORANCETHISAPPROAAHTOKNOWLEDGEHASGUIDEDWESTERNPHKLOSOPHYFORTWOMILLENNIA", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021072", "text": "YTED YQOK EDYC HOLD AIIN YPCH OLYK CHEO LQOK EEDY OROR CHOR DALY KCHE OLSH AIIN SHEE DYCH OLYT EDYY TAII NSHO RCHE DY", "ciphertext": "YTED YQOK EDYC HOLD AIIN YPCH OLYK CHEO LQOK EEDY OROR CHOR DALY KCHE OLSH AIIN SHEE DYCH OLYT EDYY TAII NSHO RCHE DY", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 94, "length": 94, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "nihilist-006", "text": "77 36 96 57 50 79 58 40 67 77 60 69 55 46 79 58", "ciphertext": "77 36 96 57 50 79 58 40 67 77 60 69 55 46 79 58", "plaintext": "PROCEED AS PLANNED", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "RUSSIAN", "keyword": "KEY"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "atbash-de-025", "text": "RM WRVHVI HGFMWV VIPOZIV RXS WRV UVRMWHVORTPVRGVM UFI YVVMWVG", "ciphertext": "RM WRVHVI HGFMWV VIPOZIV RXS WRV UVRMWHVORTPVRGVM UFI YVVMWVG", "plaintext": "IN DIESER STUNDE ERKLARE ICH DIE FEINDSELIGKEITEN FUR BEENDET", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "de", "text_length": 53, "length": 61, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v3-0609", "text": "SCSPVANLFZLUPNFJKPQORQNOHIJXFISAAAEYRKODUCPJZVUXZJSZFRURDBLPTLQGAQAUXLNGHTRWAUDKHEK", "ciphertext": "SCSPVANLFZLUPNFJKPQORQNOHIJXFISAAAEYRKODUCPJZVUXZJSZFRURDBLPTLQGAQAUXLNGHTRWAUDKHEK", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0444", "text": "GFNZTVUVTOZYBFUYSRWYECVVWVS", "ciphertext": "GFNZTVUVTOZYBFUYSRWYECVVWVS", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v2-0098", "text": "998 811 800 999 998 811 808 801 804 817 819 804 999 998 806 820 808 803 800 813 819 999 998 811 804 999 998 815 804 820 815 811 804 999 998 821 804 817 818 999 998 820 813 999 998 800 821 804 813 808 817 999 998 812 804 808 811 811 804 820 817 999 998 804 819 999 998 815 811 820 818 999 998 809 820 818 819 804 999 998 815 814 820 817 999 998 819 814 820 818 999 998 811 804 818 999 998 807 814 812 812 804 818 999 998 811 808 801 817 804 818 999", "ciphertext": "998 811 800 999 998 811 808 801 804 817 819 804 999 998 806 820 808 803 800 813 819 999 998 811 804 999 998 815 804 820 815 811 804 999 998 821 804 817 818 999 998 820 813 999 998 800 821 804 813 808 817 999 998 812 804 808 811 811 804 820 817 999 998 804 819 999 998 815 811 820 818 999 998 809 820 818 819 804 999 998 815 814 820 817 999 998 819 814 820 818 999 998 811 804 818 999 998 807 814 812 812 804 818 999 998 811 808 801 817 804 818 999", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 336, "length": 447, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008268", "text": "TIGNE XOZSR OIMZW CQKAH HAEKB RRFRH EYKKB ASRDN AHYEU BJCAO RDXUJ LWYUY QLKWO VDWUI KTLZP BYBHF TVRTZ WZXDP OGWDD", "ciphertext": "TIGNE XOZSR OIMZW CQKAH HAEKB RRFRH EYKKB ASRDN AHYEU BJCAO RDXUJ LWYUY QLKWO VDWUI KTLZP BYBHF TVRTZ WZXDP OGWDD", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 95, "length": 95, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0021555", "text": "68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57 65 36 68 20 82 66 66 36 82 77 82 61 61 68 25 82 89 68 61 36 50 11 11 82 29 20 59 66 29 69 66 61 82 52 59 80 82", "ciphertext": "68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57 65 36 68 20 82 66 66 36 82 77 82 61 61 68 25 82 89 68 61 36 50 11 11 82 29 20 59 66 29 69 66 61 82 52 59 80 82", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 66, "length": 66, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0241", "text": "DCWLXVUDYBHGGQNFVJWZZRGAUVVRXXIRSTFKRMBREDDTXADPKJDETWWTDZMVVVSFMKRALYHVBXHVLTTXWGTFMQVZKCWWSKMXGHRYJYNQGHPTJFVRTXPJYTMTCMOHEZLNVVLLNQDIZWTFTGWGTYALIQBXZVSTOJPPN", "ciphertext": "DCWLXVUDYBHGGQNFVJWZZRGAUVVRXXIRSTFKRMBREDDTXADPKJDETWWTDZMVVVSFMKRALYHVBXHVLTTXWGTFMQVZKCWWSKMXGHRYJYNQGHPTJFVRTXPJYTMTCMOHEZLNVVLLNQDIZWTFTGWGTYALIQBXZVSTOJPPN", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0360", "text": "ADSPPAWNWSEZSLRTAFBCNJBYPPZHZMRWRYXRKSOQZQMYBVJZSGVJXOJYVMWHPJTBLCWRGCRIIDQAMBYIVXQDAES", "ciphertext": "ADSPPAWNWSEZSLRTAFBCNJBYPPZHZMRWRYXRKSOQZQMYBVJZSGVJXOJYVMWHPJTBLCWRGCRIIDQAMBYIVXQDAES", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0233", "text": "NNOTEMKSLNKMDRHEEOIUTYEOYPGLRDISZLSDICIUFRMEKBYIEPNRTMADALECLESDQSTESDMEKWFOMXIUECXMQBHLNESREKHEBNOTEPEOEPLEFFATEKFBYTKAGBPCEOBORNQCHLMLIUEPCLFBGTQCSTRDTEPSPOREEOEO", "ciphertext": "NNOTEMKSLNKMDRHEEOIUTYEOYPGLRDISZLSDICIUFRMEKBYIEPNRTMADALECLESDQSTESDMEKWFOMXIUECXMQBHLNESREKHEBNOTEPEOEPLEFFATEKFBYTKAGBPCEOBORNQCHLMLIUEPCLFBGTQCSTRDTEPSPOREEOEO", "plaintext": "ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0334", "text": "T4 R0 L0 C7 S6 D4 U9 O2 J8 K2 S9 W5 C1 T4 V7 U2 G0 U2 L3 I0 S6 Y2 H9 Q1 C5 P5 D3 C7 W2 F9 Y2 U2 F1 O2 W5 G2 O0 U6 I5 D8 G2 A6 A1 G3 B9 P5 U2 P6 H9 U1 A6 F9 T2 P5 W6 A4 M1 I2 B8 L0 P5 U9 Q5 V7 V6 K2 I5 K8 D6 O9 F7 K6 K2 Q6 I0 B8 S6 Y2 U0 R7 X4", "ciphertext": "T4 R0 L0 C7 S6 D4 U9 O2 J8 K2 S9 W5 C1 T4 V7 U2 G0 U2 L3 I0 S6 Y2 H9 Q1 C5 P5 D3 C7 W2 F9 Y2 U2 F1 O2 W5 G2 O0 U6 I5 D8 G2 A6 A1 G3 B9 P5 U2 P6 H9 U1 A6 F9 T2 P5 W6 A4 M1 I2 B8 L0 P5 U9 Q5 V7 V6 K2 I5 K8 D6 O9 F7 K6 K2 Q6 I0 B8 S6 Y2 U0 R7 X4", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 162, "length": 242, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0057", "text": "OJGRFTJTNCDQFEUXLPUZITHAMOYJSBNIQDMGAOAZFNJRPQRSZZEVXPRQNMLXOFQGBEWKENR", "ciphertext": "OJGRFTJTNCDQFEUXLPUZITHAMOYJSBNIQDMGAOAZFNJRPQRSZZEVXPRQNMLXOFQGBEWKENR", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0152", "text": "AUYDSKYAZZROAOUGTFMVXPGWTCLVYFVXIIFPDHMONHVGBFDJUVCHUZESCHXPUYISHEPEGBDJVGTDULGUFEMMOOR", "ciphertext": "AUYDSKYAZZROAOUGTFMVXPGWTCLVYFVXIIFPDHMONHVGBFDJUVCHUZESCHXPUYISHEPEGBDJVGTDULGUFEMMOOR", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016267", "text": "21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15 33 22 44 23 21 42 34 32 43 44 11 44 24 43 44 24 13 43 11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22", "ciphertext": "21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15 33 22 44 23 21 42 34 32 43 44 11 44 24 43 44 24 13 43 11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0020719", "text": "6307 02534 01609 00385 5667 1020 02543 2837 06368 1630 1002 6300 6666 5720 01641 06004 02520 4770 06601 03793 01292 04138 0336 3484 01629 04086 2871 06021 06677 5989 01666 02566 00331 5693 1275 01591 05725", "ciphertext": "6307 02534 01609 00385 5667 1020 02543 2837 06368 1630 1002 6300 6666 5720 01641 06004 02520 4770 06601 03793 01292 04138 0336 3484 01629 04086 2871 06021 06677 5989 01666 02566 00331 5693 1275 01591 05725", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0154", "text": "INGODWETRUST", "ciphertext": "INGODWETRUST", "plaintext": "IN GOD WE TRUST", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0631", "text": "XGAFAAFFDFGDFGDFGDAAXGDGFXXDDDFFADXGAGAGXDDGAAAFFXDAFDAAGAAXFFFAADFXDGGFDDDGGGDXXXGFGXDGDGDDFXFAXDAXDDFGFGXFAFAGGAXAAAXXFFAGAFAA", "ciphertext": "XGAFAAFFDFGDFGDFGDAAXGDGFXXDDDFFADXGAGAGXDDGAAAFFXDAFDAAGAAXFFFAADFXDGGFDDDGGGDXXXGFGXDGDGDDFXFAXDAXDDFGFGXFAFAGGAXAAAXXFFAGAFAA", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 128, "length": 128, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-169", "text": "SIZAIMRANHAZIZMEZYCKKEMIEVLAIDZTASTEJSEHGATHIPAZZKAMYWQ", "ciphertext": "SIZAIMRANHAZIZMEZYCKKEMIEVLAIDZTASTEJSEHGATHIPAZZKAMYWQ", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0356", "text": "YESTERDAYDECEMBERSEVENTHNINETEENFORTYONEADATEWHICHWILLLIVEININFAMYTHEUNITEDSTATESOFAMERICAWASSUDDENLYANDDELIBERATELYATTACKEDBYNAVALANDAIRFORCESOFTHEEMPIREOFJAPAN", "ciphertext": "YESTERDAYDECEMBERSEVENTHNINETEENFORTYONEADATEWHICHWILLLIVEININFAMYTHEUNITEDSTATESOFAMERICAWASSUDDENLYANDDELIBERATELYATTACKEDBYNAVALANDAIRFORCESOFTHEEMPIREOFJAPAN", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011632", "text": "GENA FCBF VGVB APVC UREF ERNE ENAT RYRG GREF JVGU BHGF HOFG VGHG VBAQ VTEN CUNA QGEV TENC USER DHRA PVRF RKCB FRFV ZCYR PVCU REFG UREN VYSR APRP VCUR EJEV GRFG RKGV ANMV TMNT CNGG REAN GONF URAP BQRF OLER IREF VATG URNY CUNO RG", "ciphertext": "GENA FCBF VGVB APVC UREF ERNE ENAT RYRG GREF JVGU BHGF HOFG VGHG VBAQ VTEN CUNA QGEV TENC USER DHRA PVRF RKCB FRFV ZCYR PVCU REFG UREN VYSR APRP VCUR EJEV GRFG RKGV ANMV TMNT CNGG REAN GONF URAP BQRF OLER IREF VATG URNY CUNO RG", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "diana-142", "text": "SICJLOYNJKACENZNNB", "ciphertext": "SICJLOYNJKACENZNNB", "plaintext": "AWAIT FURTHER ORDERS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v2-0127", "text": "MTOHOUAWJIPR", "ciphertext": "MTOHOUAWJIPR", "plaintext": "THE DIE IS CAST", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014525", "text": "18.1.9 12.4.8 3.5.10 12.6.9 18.4.10 16.1.3 19.6.1 19.6.9 16.5.4 20.4.9 8.6.1 13.6.3 18.3.1 16.3.6 14.5.1 2.3.10 5.3.8 10.1.4 1.6.10 20.5.4 7.1.5 14.6.5 2.2.9 8.6.6 8.5.4 4.5.5 8.1.4 18.6.10 8.2.1 19.3.7 6.3.6 19.5.8 5.2.8 13.5.6 5.6.2 18.2.10 9.2.8 3.1.10 16.5.1 9.2.3 18.4.8 1.2.4 15.1.4 10.1.9 14.5.7 14.2.6 9.2.2 17.1.8 15.3.4 18.6.5 13.4.4 2.1.10 2.5.10 8.6.3 17.1.5 1.1.10 11.5.2 2.2.5 12.1.1 5.6.9 20.3.4 2.2.6 1.3.9 19.2.1 14.5.10 18.6.8 9.2.8 11.5.3 8.5.2 6.2.2 4.3.4 1.6.7 14.5.9 9.6.8 19.2.5 16.6.4 14.2.2 10.6.1 3.6.9 6.1.3 1.1.8 7.5.2 4.6.9 12.2.6 20.5.8 5.3.2 16.5.4 5.3.10 16.1.2 7.1.8 5.3.6 17.2.3 6.2.10 20.5.7 7.3.10 9.4.9 5.1.7 18.5.9 5.6.3 13.5.4 13.4.2 15.2.4 15.4.2 2.5.2 5.3.10 3.1.7 10.2.7 7.1.6 13.6.9 2.6.1 12.4.3 5.4.4 8.6.10 2.2.8 17.6.5 16.1.9 18.6.10 19.3.9 11.3.1 17.2.5 3.3.4 14.5.5 3.3.8 2.4.9 6.1.2 4.2.7 5.3.7 4.6.8 5.3.6", "ciphertext": "18.1.9 12.4.8 3.5.10 12.6.9 18.4.10 16.1.3 19.6.1 19.6.9 16.5.4 20.4.9 8.6.1 13.6.3 18.3.1 16.3.6 14.5.1 2.3.10 5.3.8 10.1.4 1.6.10 20.5.4 7.1.5 14.6.5 2.2.9 8.6.6 8.5.4 4.5.5 8.1.4 18.6.10 8.2.1 19.3.7 6.3.6 19.5.8 5.2.8 13.5.6 5.6.2 18.2.10 9.2.8 3.1.10 16.5.1 9.2.3 18.4.8 1.2.4 15.1.4 10.1.9 14.5.7 14.2.6 9.2.2 17.1.8 15.3.4 18.6.5 13.4.4 2.1.10 2.5.10 8.6.3 17.1.5 1.1.10 11.5.2 2.2.5 12.1.1 5.6.9 20.3.4 2.2.6 1.3.9 19.2.1 14.5.10 18.6.8 9.2.8 11.5.3 8.5.2 6.2.2 4.3.4 1.6.7 14.5.9 9.6.8 19.2.5 16.6.4 14.2.2 10.6.1 3.6.9 6.1.3 1.1.8 7.5.2 4.6.9 12.2.6 20.5.8 5.3.2 16.5.4 5.3.10 16.1.2 7.1.8 5.3.6 17.2.3 6.2.10 20.5.7 7.3.10 9.4.9 5.1.7 18.5.9 5.6.3 13.5.4 13.4.2 15.2.4 15.4.2 2.5.2 5.3.10 3.1.7 10.2.7 7.1.6 13.6.9 2.6.1 12.4.3 5.4.4 8.6.10 2.2.8 17.6.5 16.1.9 18.6.10 19.3.9 11.3.1 17.2.5 3.3.4 14.5.5 3.3.8 2.4.9 6.1.2 4.2.7 5.3.7 4.6.8 5.3.6", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 129, "length": 129, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "argenti-v3-0026", "text": "14 82 22 57 44 24 21 88 62 39 82 66 22 69 41 88 21 22", "ciphertext": "14 82 22 57 44 24 21 88 62 39 82 66 22 69 41 88 21 22", "plaintext": "TREASURE BURIED HERE", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-193", "text": "PFNYPYRSSDUSCUD", "ciphertext": "PFNYPYRSSDUSCUD", "plaintext": "SILENCE IS GOLDEN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0747", "text": "OWYOFVXLXXDIKKICPHZSNQANJALLGYQVVXQRNLTTAIUMJUAUUWYZPTHRXHRNCQLYSXZWUBNZZTTABOOSPAWXJBMUZSXZANNWOZZTLWTKSXZOKNPPATTALLVYQVVXFWGVZMNZJXJJBBXJBPHRQKMHHQNBVYJYIYGYNCZLWXUANJUWCKTOOVJ", "ciphertext": "OWYOFVXLXXDIKKICPHZSNQANJALLGYQVVXQRNLTTAIUMJUAUUWYZPTHRXHRNCQLYSXZWUBNZZTTABOOSPAWXJBMUZSXZANNWOZZTLWTKSXZOKNPPATTALLVYQVVXFWGVZMNZJXJJBBXJBPHRQKMHHQNBVYJYIYGYNCZLWXUANJUWCKTOOVJ", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "98765"}, "difficulty": "intermediate", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-009", "text": "43 45 35 35 31 54 31 24 33 15 13 34 32 35 42 34 32 24 43 15 14", "ciphertext": "43 45 35 35 31 54 31 24 33 15 13 34 32 35 42 34 32 24 43 15 14", "plaintext": "SUPPLY LINE COMPROMISED", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 42, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0394", "text": "CVRYERAXXXXOEMRTETXXXX", "ciphertext": "CVRYERAXXXXOEMRTETXXXX", "plaintext": "COVER MY RETREAT", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0042", "text": "EPUEBTIEPU", "ciphertext": "EPUEBTIEPU", "plaintext": "DOT DASH DOT", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0363", "text": "OISDQHYJCITAWHNBWFGOALJNWNZIHYLREGCHCMPJCQFWFYRWGOIXDZTXLXYSPDVQYEVTSTDRWNUTATHXKAXWEVVRCCRQNTQTPRNQVSRQAEKRFRSMBLHLWVGRLJREQOADBMWIAYRRWHIZUTDRXFIA", "ciphertext": "OISDQHYJCITAWHNBWFGOALJNWNZIHYLREGCHCMPJCQFWFYRWGOIXDZTXLXYSPDVQYEVTSTDRWNUTATHXKAXWEVVRCCRQNTQTPRNQVSRQAEKRFRSMBLHLWVGRLJREQOADBMWIAYRRWHIZUTDRXFIA", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0117", "text": "SECXYDSZMJGNIUWMRNABACBEGLVXOEAXFJIYOTBCKOXXKRXPKYYZSJDBSLUJKBPCQNHLLFAVGDXHLYGSFHTNYEOBRGNNULAWIBSDWICIMPECKTVOVEQAYCXCCCAFLYUYUCUEYFFBJDHSOBLYNKYDTXMAFRGSOKVNBCZNYSGMTYJASZSJDHR", "ciphertext": "SECXYDSZMJGNIUWMRNABACBEGLVXOEAXFJIYOTBCKOXXKRXPKYYZSJDBSLUJKBPCQNHLLFAVGDXHLYGSFHTNYEOBRGNNULAWIBSDWICIMPECKTVOVEQAYCXCCCAFLYUYUCUEYFFBJDHSOBLYNKYDTXMAFRGSOKVNBCZNYSGMTYJASZSJDHR", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017857", "text": "LIN   /   TKIN   /   DIBEH-YAZZIE   /   DIBEH-YAZZIE   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   DIBEH   /   DIBEH-YAZZIE   /   TKIN   /   TSAH   /   DZEH   /   WOL-LA-CHEE   /   GAH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   AH-JAH   /   DZEH   /   SHUSH   /   GAH   /   WOL-LA-CHEE   /   THAN-ZIE   /   A-KHA   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   SHUSH   /   DIBEH-YAZZIE   /   A-KHA   /   MOASI", "ciphertext": "LIN   /   TKIN   /   DIBEH-YAZZIE   /   DIBEH-YAZZIE   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   DIBEH   /   DIBEH-YAZZIE   /   TKIN   /   TSAH   /   DZEH   /   WOL-LA-CHEE   /   GAH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   AH-JAH   /   DZEH   /   SHUSH   /   GAH   /   WOL-LA-CHEE   /   THAN-ZIE   /   A-KHA   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   SHUSH   /   DIBEH-YAZZIE   /   A-KHA   /   MOASI", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 233, "length": 233, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "adfgvx-v2-0213", "text": "DGDGDXFVAAFXAFDGFGGVFGAXFVAVDDAXFGAFAVAXAGDVAGVDVGFFDFXAXFGFGFDAFADVADFXAGGXAFDDFGFDDADDFVDXFGFFAGAXDXADADFGADAXDGAAAAAGFXAXDVDAFADADFXFADGAFADDAAVDFADF", "ciphertext": "DGDGDXFVAAFXAFDGFGGVFGAXFVAVDDAXFGAFAVAXAGDVAGVDVGFFDFXAXFGFGFDAFADVADFXAGGXAFDDFGFDDADDFVDXFGFFAGAXDXADADFGADAXDGAAAAAGFXAXDVDAFADADFXFADGAFADDAAVDFADF", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 152, "length": 152, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0310", "text": "PZJFDIODQDAXMZBZNIIUOLNIBUEVARHGQTWCYUPONIKYQZUMKEARGHZVIRVHNPKOIAFMUPIAPJDHIA", "ciphertext": "PZJFDIODQDAXMZBZNIIUOLNIBUEVARHGQTWCYUPONIKYQZUMKEARGHZVIRVHNPKOIAFMUPIAPJDHIA", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0301", "text": "21244 21232 21239 21241 21255 21235 21246 21233 21244 21259 21249 21230 21247 21239 21242 21237 21259 21233 21243 21248 21249 21244 21243 21244 21242 21235 21233 21248 21239 21238 21233 21244 21238 21242 21249 21240 21240 21239 21244 21232 21235 21243 21244 21232 21239 21231 21239 21248 21244 21246 21239 21242 21235 21233 21248 21230 21242 21249 21247 21232 21239 21235 21256 21239 21248 21235 21236 21249 21256 21239", "ciphertext": "21244 21232 21239 21241 21255 21235 21246 21233 21244 21259 21249 21230 21247 21239 21242 21237 21259 21233 21243 21248 21249 21244 21243 21244 21242 21235 21233 21248 21239 21238 21233 21244 21238 21242 21249 21240 21240 21239 21244 21232 21235 21243 21244 21232 21239 21231 21239 21248 21244 21246 21239 21242 21235 21233 21248 21230 21242 21249 21247 21232 21239 21235 21256 21239 21248 21235 21236 21249 21256 21239", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 350, "length": 419, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-176", "text": "EORWJGZWUNKDSFWNJUEHFPGGBQXTLHYQZUHGIBRAEHDILDWULBHKWDHWPRTKOMUTOZVNMFUFYPGCFJGZMEUOCWUGADBOWKLDSDZNDQHBKYCNDQEUHEJEKRLMRXGJVBVKWNKNRCDNVKCGHJFKPBOJD", "ciphertext": "EORWJGZWUNKDSFWNJUEHFPGGBQXTLHYQZUHGIBRAEHDILDWULBHKWDHWPRTKOMUTOZVNMFUFYPGCFJGZMEUOCWUGADBOWKLDSDZNDQHBKYCNDQEUHEJEKRLMRXGJVBVKWNKNRCDNVKCGHJFKPBOJD", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 149, "length": 149, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0018", "text": "OPECWGVLCHQNHUVPBNZ", "ciphertext": "OPECWGVLCHQNHUVPBNZ", "plaintext": "TREACHERY IN THE COURT", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-112", "text": "USNXYBAWUOSWPYHAKJYAHPKCFPBJVZGSLAGCKITKXYRZCQBYJTRNZXMBBZ", "ciphertext": "USNXYBAWUOSWPYHAKJYAHPKCFPBJVZGSLAGCKITKXYRZCQBYJTRNZXMBBZ", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-162", "text": "JCBFNENBHEQETFDUMEAJXDUJMGMIKIRBVRNMQXXYKWIJNUEKGQAHAGJPMCFJJULG", "ciphertext": "JCBFNENBHEQETFDUMEAJXDUJMGMIKIRBVRNMQXXYKWIJNUEKGQAHAGJPMCFJJULG", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ABSCISSA"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v2-0595", "text": "GOWQSIBNAOAGCAZIIHORPXUBNLLQVIMPJDBTKKWECONTSMHAROAQXYSBSPXMZRQHOUIUSCGRBPPKWSWR", "ciphertext": "GOWQSIBNAOAGCAZIIHORPXUBNLLQVIMPJDBTKKWECONTSMHAROAQXYSBSPXMZRQHOUIUSCGRBPPKWSWR", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-vf-0091", "text": "UKOSYMGAAETBBESNNDLCSINADTIIOLNRYTRLEOTDFHIMEEACILEFRMHSDHEEXNHOOUPUL", "ciphertext": "UKOSYMGAAETBBESNNDLCSINADTIIOLNRYTRLEOTDFHIMEEACILEFRMHSDHEEXNHOOUPUL", "plaintext": "THE UNBREAKABLE CODE EXISTS ONLY IN THE MIND OF GOD FOR ALL HUMAN CIPHERS MUST YIELD", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PYTHON"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0563", "text": "YENHLCJHIBHEFLVHZBPRAJENAYUUGSCAWCDKGCTZERJEGAYUGPGBRZLLFSVNOZLVHZFTVJFS", "ciphertext": "YENHLCJHIBHEFLVHZBPRAJENAYUUGSCAWCDKGCTZERJEGAYUGPGBRZLLFSVNOZLVHZFTVJFS", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0280", "text": "LPGINYETLTRFMYFBM", "ciphertext": "LPGINYETLTRFMYFBM", "plaintext": "COURAGE IN DARKNESS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0418", "text": "KISDVMDRDLAYEVHRDTQLMDEN", "ciphertext": "KISDVMDRDLAYEVHRDTQLMDEN", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-011", "text": "CFHPALNAGNESOX", "ciphertext": "CFHPALNAGNESOX", "plaintext": "CHANGE OF PLANS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 2}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0091", "text": "OUELVWLVNRHFNEZMIGUVTLTVYRYRSCJQYSROTQXDBZJBKELQCZQJMUEQNKDGFGRQUOKTMPRESFEFHHUQ", "ciphertext": "OUELVWLVNRHFNEZMIGUVTLTVYRYRSCJQYSROTQXDBZJBKELQCZQJMUEQNKDGFGRQUOKTMPRESFEFHHUQ", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1465", "text": "FSLMJW AK OJALLWF AF LZW DSFYMSYW GX ESLZWESLAUK SFV ALK UZSJSULWJK SJW LJASFYDWK SFV UAJUDWK", "ciphertext": "FSLMJW AK OJALLWF AF LZW DSFYMSYW GX ESLZWESLAUK SFV ALK UZSJSULWJK SJW LJASFYDWK SFV UAJUDWK", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 18}, "difficulty": "beginner", "language": "en", "text_length": 79, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-129", "text": "123 180 128 128 177 168 132 125 146 181 114 128 121 114 112 182", "ciphertext": "123 180 128 128 177 168 132 125 146 181 114 128 121 114 112 182", "plaintext": "SUPPLY LINE COMPROMISED", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 63, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v3-0606", "text": "LYJDDSHIMGHMSGLHGLADSLPOOGATYZOAGPYNOSOMTYXYLSMYGYZAOAYBIPMMKYHOOXHLJDSPHAOXYOG", "ciphertext": "LYJDDSHIMGHMSGLHGLADSLPOOGATYZOAGPYNOSOMTYXYLSMYGYZAOAYBIPMMKYHOOXHLJDSPHAOXYOG", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018784", "text": "35 58 92 63 25 76 57 34 27 63 94 41 3 22 86 2 34 64 50 63 27 60 66 33 81 35 23 27 70 52 21 82 34 33 61 32 39 91 94 66 81 80 59 99 57 48 81 25 3 26 63 41 4 22 1 50 32 34 22 11 32 99 35 48 3 60 82 66 70 91 92 66 81 82 62 59 50 60 58 93 67 14 91 49 76 81 27 68 3 2 15 11 63 2 58 33 70 60 91 45 45 39 43 88 76 32 96 52 11 94 72 78 93 25 11 34 33 82 11 26 15 66 81 24 80 48 58 21 80 88 45 46 46 43 63 34 66 99 21 66 63 30 22 43 82 92 50 60 88 22 11 41 43 68 22 40 4 14 43 25 67 48 50 23 21 14 34 22 48 79 22 81 66 46 33 81 48 40 41 80 81 26 86 43 27 96 57 26 3 49 25 17 40", "ciphertext": "35 58 92 63 25 76 57 34 27 63 94 41 3 22 86 2 34 64 50 63 27 60 66 33 81 35 23 27 70 52 21 82 34 33 61 32 39 91 94 66 81 80 59 99 57 48 81 25 3 26 63 41 4 22 1 50 32 34 22 11 32 99 35 48 3 60 82 66 70 91 92 66 81 82 62 59 50 60 58 93 67 14 91 49 76 81 27 68 3 2 15 11 63 2 58 33 70 60 91 45 45 39 43 88 76 32 96 52 11 94 72 78 93 25 11 34 33 82 11 26 15 66 81 24 80 48 58 21 80 88 45 46 46 43 63 34 66 99 21 66 63 30 22 43 82 92 50 60 88 22 11 41 43 68 22 40 4 14 43 25 67 48 50 23 21 14 34 22 48 79 22 81 66 46 33 81 48 40 41 80 81 26 86 43 27 96 57 26 3 49 25 17 40", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 193, "length": 193, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "rail-fence-fr-009", "text": "JEEESDJSPNOCUSENI", "ciphertext": "JEEESDJSPNOCUSENI", "plaintext": "JE PENSE DONC JE SUIS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 4}, "difficulty": "intermediate", "language": "fr", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0196", "text": "MEVRMDLYHIDAANLPJFCUJSOXBRDNLMDPFPOXBRSULIAPZVDWXNSURMZYDAUGHPGEHMCJMYMH", "ciphertext": "MEVRMDLYHIDAANLPJFCUJSOXBRDNLMDPFPOXBRSULIAPZVDWXNSURMZYDAUGHPGEHMCJMYMH", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0144", "text": "BTUTOXGPTIRBF", "ciphertext": "BTUTOXGPTIRBF", "plaintext": "AWAIT MY SIGNAL", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0163", "text": "DXGGDDAAGFDFDFDGGGFDDXDFXFAGGAGGAXDFFGFAFAFAXAAFAXAAFAXAGFFFFGDXDDAXXXAXDDDDAXGDAGDGGFDGAGGFAADADGADDDAFGXAXAFAAFFFFDFAFDXAAFAXA", "ciphertext": "DXGGDDAAGFDFDFDGGGFDDXDFXFAGGAGGAXDFFGFAFAFAXAAFAXAAFAXAGFFFFGDXDDAXXXAXDDDDAXGDAGDGGFDGAGGFAADADGADDDAFGXAXAFAAFFFFDFAFDXAAFAXA", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 128, "length": 128, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-068", "text": "HPNG TTYPBRYY", "ciphertext": "HPNG TTYPBRYY", "plaintext": "HOLD POSITION", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "offset", "value": 0}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v2-1060", "text": "USBSFOZ UFOBH VOG HOYSB JWQYGPIFU HVS UFSOH FWJSF WG BCK CDSB TFCA WHG GCIFQS HC HVS GSO", "ciphertext": "USBSFOZ UFOBH VOG HOYSB JWQYGPIFU HVS UFSOH FWJSF WG BCK CDSB TFCA WHG GCIFQS HC HVS GSO", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 14}, "difficulty": "beginner", "language": "en", "text_length": 72, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013489", "text": "⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨w22⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩", "ciphertext": "⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨w22⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "diana-v2-0155", "text": "DPLUENJOONUVUTXHCJUJN", "ciphertext": "DPLUENJOONUVUTXHCJUJN", "plaintext": "PATIENCE BRINGS VICTORY", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020884", "text": "r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─", "ciphertext": "r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0021830", "text": "CAESX RSHIF TEDTZ EALPH ABETB YTHRX EPOSI TIONX", "ciphertext": "CAESX RSHIF TEDTZ EALPH ABETB YTHRX EPOSI TIONX", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0004865", "text": "IUZTSWSTGTYOLCEEEXRHLORTWRSFETBXWLMATROPESSTOINEOZMELARTDETRIEAMMEPTHURHPHSRALRIUXSEEFESOTSIIOTSHCEPTIHTSTISKCRIWSSVOTIESKHIGEHARNAESGGETSTXNFNLSXTCECEPUESNFISTHEYNINRANEEAOTIIUEWPECTAEYORATFMHENHKBXEEBRSNHINRN", "ciphertext": "IUZTSWSTGTYOLCEEEXRHLORTWRSFETBXWLMATROPESSTOINEOZMELARTDETRIEAMMEPTHURHPHSRALRIUXSEEFESOTSIIOTSHCEPTIHTSTISKCRIWSSVOTIESKHIGEHARNAESGGETSTXNFNLSXTCECEPUESNFISTHEYNINRANEEAOTIIUEWPECTAEYORATFMHENHKBXEEBRSNHINRN", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE BEST LESSONS SHOW WHERE THE METHOD FAILS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 210, "length": 210, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "geez-monastic-161", "text": "UFYHBGEDUGPBKJQBKHGJPQUHIBWBJPBKMKGEDUGPBKQUHIB", "ciphertext": "UFYHBGEDUGPBKJQBKHGJPQUHIBWBJPBKMKGEDUGPBKQUHIB", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v2-0363", "text": "EQT WGE KS AWG ZF KS BZEWM ZLJKGEWYUT EK EQT FEWET ZE ZF W LWEETG KS MZST WYX XTWEQ W GKWX TZEQTG EK FWSTEN KG EK GCZY QTYUT ZE ZF W FCVPTUE KS ZYHCZGN AQZUQ UWY KY YK WUUKCYE VT YTRMTUETX", "ciphertext": "EQT WGE KS AWG ZF KS BZEWM ZLJKGEWYUT EK EQT FEWET ZE ZF W LWEETG KS MZST WYX XTWEQ W GKWX TZEQTG EK FWSTEN KG EK GCZY QTYUT ZE ZF W FCVPTUE KS ZYHCZGN AQZUQ UWY KY YK WUUKCYE VT YTRMTUETX", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 148, "length": 188, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0355", "text": "MHNCSRFWZCBEOHRKNODKJHAPRUAQQAMUAWAFMLJKPSMMKYMSSLRGEKMWJPMZOUPJWESWMLQGUAEZQFYY", "ciphertext": "MHNCSRFWZCBEOHRKNODKJHAPRUAQQAMUAWAFMLJKPSMMKYMSSLRGEKMWJPMZOUPJWESWMLQGUAEZQFYY", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0459", "text": "TPOISBKBDPFOTEIPDEUBIKDTDBSTQQQGEIPSAOAWNIFECSKAQWGUOFSGYIUILBNHVTFVNIEFMASTITEZISCVG", "ciphertext": "TPOISBKBDPFOTEIPDEUBIKDTDBSTQQQGEIPSAOAWNIFECSKAQWGUOFSGYIUILBNHVTFVNIEFMASTITEZISCVG", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0263", "text": "SWNTFZKHAXWIPKCXFRRTSOYOXUDSRXTLZIFEUQOTAXWIPKSWNTFZFDVPFRYQUNETSLKQVZFDPAYPXJ", "ciphertext": "SWNTFZKHAXWIPKCXFRRTSOYOXUDSRXTLZIFEUQOTAXWIPKSWNTFZFDVPFRYQUNETSLKQVZFDPAYPXJ", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0850", "text": "ZXWOMTYDGBMNXSAZGSS", "ciphertext": "ZXWOMTYDGBMNXSAZGSS", "plaintext": "TREACHERY IN THE COURT", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0219", "text": "TPQXLPJCKPMOJCLCRZTQ", "ciphertext": "TPQXLPJCKPMOJCLCRZTQ", "plaintext": "AVE MARIA GRATIA PLENA", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0274", "text": "V2 V3 S9 U8 J3 F9 M1 B8 U9 V3 J3 L3 F5 G4 L3 F5 J3 F1 Q1 Q5 X4 K5 A1 O7 I4 B9 O4 E0 D6 O7 I4 G3 Q6 P9 V2 Q1 V2 D8 I2 Y2 V2 U1 P6 F1 P9 W2 T4 A4 J9 J6 E6 B8 M7 E7 W2 R9 G0 U1 J4 V3 D4 A4 X4 V4 Z2 K2 Y8 Q1 Q6 H0 P3 P9 U1 W5", "ciphertext": "V2 V3 S9 U8 J3 F9 M1 B8 U9 V3 J3 L3 F5 G4 L3 F5 J3 F1 Q1 Q5 X4 K5 A1 O7 I4 B9 O4 E0 D6 O7 I4 G3 Q6 P9 V2 Q1 V2 D8 I2 Y2 V2 U1 P6 F1 P9 W2 T4 A4 J9 J6 E6 B8 M7 E7 W2 R9 G0 U1 J4 V3 D4 A4 X4 V4 Z2 K2 Y8 Q1 Q6 H0 P3 P9 U1 W5", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0100", "text": "LJDHVYMHTRDQDNHTHEAMIPHXKNRUEHWRUAAMPTZVGHUELEUMASMKUUKRRKXHVJSDQQSBYCKXJO", "ciphertext": "LJDHVYMHTRDQDNHTHEAMIPHXKNRUEHWRUAAMPTZVGHUELEUMASMKUUKRRKXHVJSDQQSBYCKXJO", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007478", "text": "CUDKICCMBFPLUSVHJPSLBJPCSUNXZGUBHTTLQBRWCGBHGWVGNXUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBK", "ciphertext": "CUDKICCMBFPLUSVHJPSLBJPCSUNXZGUBHTTLQBRWCGBHGWVGNXUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBK", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "autokey", "cipher": "autokey", "key": {"primer": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "m209-129", "text": "LIPNRFTUPYBPQNLOTUKXB", "ciphertext": "LIPNRFTUPYBPQNLOTUKXB", "plaintext": "SUPPLY LINE COMPROMISED", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018307", "text": "K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌· L ⌐ ┌· ┌· ⌐ ─ ¬· L └ L K K L ┌· X ⌒ Γ· K r· ┘· X· K X X· ¬ X K Γ· K X· K Γ· ┘· ─ ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X ¬· ┌· ┘· ─ X ⌐· L └ Γ X· X L X ⌐ Γ Γ· ¬· Γ· K X L └· X· L ─ r L ⌐ X K r· L ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X", "ciphertext": "K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌· L ⌐ ┌· ┌· ⌐ ─ ¬· L └ L K K L ┌· X ⌒ Γ· K r· ┘· X· K X X· ¬ X K Γ· K X· K Γ· ┘· ─ ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X ¬· ┌· ┘· ─ X ⌐· L └ Γ X· X L X ⌐ Γ Γ· ¬· Γ· K X L └· X· L ─ r L ⌐ X K r· L ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "hard", "language": "en", "text_length": 82, "length": 82, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0014623", "text": "⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w40⟩", "ciphertext": "⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w40⟩", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0013893", "text": "12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15 33 15 42 15 11 33 14 14 15 13 42 54 35 44 43 24 44 43 15 31 21 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 24 43 11 45 43 15 21 45 31 13 31 45 15", "ciphertext": "12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15 33 15 42 15 11 33 14 14 15 13 42 54 35 44 43 24 44 43 15 31 21 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 24 43 11 45 43 15 21 45 31 13 31 45 15", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "commercial-code-v3-0020", "text": "ZUZUZ JAZUZ SAZUZ PAZUZ FAZUZ XUZUZ ZABAB ZUZUZ PAZUZ GAZUZ BAZUZ FAZUZ XUZUZ", "ciphertext": "ZUZUZ JAZUZ SAZUZ PAZUZ FAZUZ XUZUZ ZABAB ZUZUZ PAZUZ GAZUZ BAZUZ FAZUZ XUZUZ", "plaintext": "GOLD FROM LEAD", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 65, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1604", "text": "UWMUAUOAARBUBGGXQTKWKHHAWKUHDFEBAVHAAFLUOOPBZHOSAVLIFAIJWKWZZMFHAKHQFHGFKVAJVF", "ciphertext": "UWMUAUOAARBUBGGXQTKWKHHAWKUHDFEBAVHAAFLUOOPBZHOSAVLIFAIJWKWZZMFHAKHQFHGFKVAJVF", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0212", "text": "KPFUSQSRBADZHDSJFEOC", "ciphertext": "KPFUSQSRBADZHDSJFEOC", "plaintext": "THE LEGIONS STAND READY", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012250", "text": "POLYB IUSEZ CODED LETTE RSASP AIRSO FNUMZ ERSFR OMONE TOFIZ EDIFF IEAND HELLM ANINX RODUC EDPUX LICKZ YCRYX TOGRA PHYIN NINET EENSE VENTY SIXCX ASSIX ALCIP HERST EACHX HYMOX ERNSZ CURIZ YMATZ ERSSZ BSTIZ UTIOX CIPHE RSMAP EACHL ETTER TOADI FFERE NTLEX TERBX", "ciphertext": "POLYB IUSEZ CODED LETTE RSASP AIRSO FNUMZ ERSFR OMONE TOFIZ EDIFF IEAND HELLM ANINX RODUC EDPUX LICKZ YCRYX TOGRA PHYIN NINET EENSE VENTY SIXCX ASSIX ALCIP HERST EACHX HYMOX ERNSZ CURIZ YMATZ ERSSZ BSTIZ UTIOX CIPHE RSMAP EACHL ETTER TOADI FFERE NTLEX TERBX", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 215, "length": 215, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0007641", "text": "HYDFZ GXHGC IUBEZ TTMKV XGLYI ZHWUE IZJMN DVWNA YFSDC SACFE LMASG HJIGA DBJMT LGPFP UPFUW YEQLG ZQOVF IDDRI LUPAO CIOXT QFXGB HJFWK OCQLO DYSWS ZYZRG KHRXF", "ciphertext": "HYDFZ GXHGC IUBEZ TTMKV XGLYI ZHWUE IZJMN DVWNA YFSDC SACFE LMASG HJIGA DBJMT LGPFP UPFUW YEQLG ZQOVF IDDRI LUPAO CIOXT QFXGB HJFWK OCQLO DYSWS ZYZRG KHRXF", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "autokey", "cipher": "autokey", "key": {"primer": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 130, "length": 130, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v3-0188", "text": "BCDSFGCBGVOZZPSVSZRHCOBGKSFTCFOQODWHOZQFWASIBZSGGCBDFSGSBHASBHCTOUFOBRXIFM", "ciphertext": "BCDSFGCBGVOZZPSVSZRHCOBGKSFTCFOQODWHOZQFWASIBZSGGCBDFSGSBHASBHCTOUFOBRXIFM", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013272", "text": "-... . .- ..- ..-. --- .-. - / .. ... / - .... . / .-. . -.-. .. .--. .-. --- -.-. .- .-.. / --- ..-. / ...- .. --. . -. . .-. . / .- -. -.. / -.. . -.-. .-. -.-- .--. - ... / .. - ... . .-.. ..-. / - .... . / -... . ... - / .-.. . ... ... --- -. ... / ... .... --- .-- / .-- .... . .-. . / - .... . / -- . - .... --- -.. / ..-. .- .. .-.. ...", "ciphertext": "-... . .- ..- ..-. --- .-. - / .. ... / - .... . / .-. . -.-. .. .--. .-. --- -.-. .- .-.. / --- ..-. / ...- .. --. . -. . .-. . / .- -. -.. / -.. . -.-. .-. -.-- .--. - ... / .. - ... . .-.. ..-. / - .... . / -... . ... - / .-.. . ... ... --- -. ... / ... .... --- .-- / .-- .... . .-. . / - .... . / -- . - .... --- -.. / ..-. .- .. .-.. ...", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 87, "length": 87, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "gronsfeld-v2-1056", "text": "DMPUNHXSSRGTETZDHIBTGFEDNPBRJTKJWUOPFTMGBTQBTBQESZVPRMOIFWHXHBXTZDHI", "ciphertext": "DMPUNHXSSRGTETZDHIBTGFEDNPBRJTKJWUOPFTMGBTQBTBQESZVPRMOIFWHXHBXTZDHI", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31416"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "homophonic-029", "text": "71 72 80 83 52 93 72 71 26 83 91 97 10 57 35 66", "ciphertext": "71 72 80 83 52 93 72 71 26 83 91 97 10 57 35 66", "plaintext": "NO PRISONERS TAKEN", "label": "homophonic", "cipher": "homophonic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYSTONE"}, "difficulty": "intermediate", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v3-0127", "text": "YJTUKCUTDTZCA", "ciphertext": "YJTUKCUTDTZCA", "plaintext": "FULL SAIL AHEAD", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0576", "text": "ZVVCGHPYSAMJWZUSAXXRJRMETBVGCIEDGQBRTLQVVRTXPPMAXEIIUTVKPXZGCBYOFIGRWPGANFSWMV", "ciphertext": "ZVVCGHPYSAMJWZUSAXXRJRMETBVGCIEDGQBRTLQVVRTXPPMAXEIIUTVKPXZGCBYOFIGRWPGANFSWMV", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012008", "text": "44 23 15 25 11 43 24 43 25 24 15 53 11 32 24 33 11 44 24 34 33 21 24 33 14 43 42 15 35 15 11 44 15 14 44 42 24 22 42 11 32 43 24 33 13 24 35 23 15 42 44 15 53 44 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14", "ciphertext": "44 23 15 25 11 43 24 43 25 24 15 53 11 32 24 33 11 44 24 34 33 21 24 33 14 43 42 15 35 15 11 44 15 14 44 42 24 22 42 11 32 43 24 33 13 24 35 23 15 42 44 15 53 44 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0320", "text": "NATUREISWRITTENINTHELANGUAGEOFMATHEMATICSANDITSCHARACTERSARETRIANGLESANDCIRCLES", "ciphertext": "NATUREISWRITTENINTHELANGUAGEOFMATHEMATICSANDITSCHARACTERSARETRIANGLESANDCIRCLES", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017401", "text": "AH-JAH   /   GAH   /   A-KHA   /   TSAH   /   DIBEH   /   MA-E   /   DZEH   /   DIBEH-YAZZIE   /   BE   /   NO-DA-IH   /   DIBEH   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   BE   /   TKIN   /   AH-JAH   /   TKIN   /   THAN-ZIE   /   DIBEH   /   DZEH   /   CA-YEILTH   /   NO-DA-IH   /   DZEH   /   TSAH   /   MOASI   /   DZEH   /   WOL-LA-CHEE   /   DIBEH   /   THAN-ZIE   /   LIN   /   DZEH   /   GAH   /   DZEH   /   CLA-GI-AIH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   TSAH", "ciphertext": "AH-JAH   /   GAH   /   A-KHA   /   TSAH   /   DIBEH   /   MA-E   /   DZEH   /   DIBEH-YAZZIE   /   BE   /   NO-DA-IH   /   DIBEH   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   BE   /   TKIN   /   AH-JAH   /   TKIN   /   THAN-ZIE   /   DIBEH   /   DZEH   /   CA-YEILTH   /   NO-DA-IH   /   DZEH   /   TSAH   /   MOASI   /   DZEH   /   WOL-LA-CHEE   /   DIBEH   /   THAN-ZIE   /   LIN   /   DZEH   /   GAH   /   DZEH   /   CLA-GI-AIH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   TSAH", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 203, "length": 203, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "nomenclator-v2-0017", "text": "03 15 04 05 04 13 05 19 19 01 07 05 06 15 12 12 15 23 19", "ciphertext": "03 15 04 05 04 13 05 19 19 01 07 05 06 15 12 12 15 23 19", "plaintext": "CODED MESSAGE FOLLOWS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015206", "text": "64 72 14 67 39 22 25 3 1 81 43 63 26 43 59 91 66 72 70 2 63 63 96 66 48 11 21 72 96 14 40 15 2 58 48 99 21 3 92 63 60 59 45 81 25 78 66 21 33 91 3 1 81 43 63 72 11 49 91 59 76 99 21 66 63 17 33 34 11 3 33 82 58 34 82 81 57 33 39 48 91 25 48 3 11 86 66 60 88 45 32 68 50 32 67 43 25 59 91 32 68 49 76 99", "ciphertext": "64 72 14 67 39 22 25 3 1 81 43 63 26 43 59 91 66 72 70 2 63 63 96 66 48 11 21 72 96 14 40 15 2 58 48 99 21 3 92 63 60 59 45 81 25 78 66 21 33 91 3 1 81 43 63 72 11 49 91 59 76 99 21 66 63 17 33 34 11 3 33 82 58 34 82 81 57 33 39 48 91 25 48 3 11 86 66 60 88 45 32 68 50 32 67 43 25 59 91 32 68 49 76 99", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 104, "length": 104, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0015283", "text": "GAH   /   A-KHA   /   NO-DA-IH   /   THAN-ZIE   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   BE   /   WOL-LA-CHEE   /   AH-JAH   /   GAH   /   TKIN   /   BE   /   TKIN   /   TSAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   GAH   /   DZEH   /   DIBEH   /   MOASI   /   GAH   /   TKIN   /   SHUSH   /   DZEH   /   BE   /   AH-JAH   /   DZEH   /   A-KHA   /   NA-AS-TSO-SI   /   DZEH   /   THAN-ZIE", "ciphertext": "GAH   /   A-KHA   /   NO-DA-IH   /   THAN-ZIE   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   BE   /   WOL-LA-CHEE   /   AH-JAH   /   GAH   /   TKIN   /   BE   /   TKIN   /   TSAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   GAH   /   DZEH   /   DIBEH   /   MOASI   /   GAH   /   TKIN   /   SHUSH   /   DZEH   /   BE   /   AH-JAH   /   DZEH   /   A-KHA   /   NA-AS-TSO-SI   /   DZEH   /   THAN-ZIE", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 190, "length": 190, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0174", "text": "148 174 173 179 177 161 157 174 167 119 114 131 117 143 100 160 150 133 150 127 122 128 129 113 140 112 168 130 138 174 143 175 114 122 128 175 138 115 117 179 114 142 162 170 149 109 100 126 158 140 143 100 177", "ciphertext": "148 174 173 179 177 161 157 174 167 119 114 131 117 143 100 160 150 133 150 127 122 128 129 113 140 112 168 130 138 174 143 175 114 122 128 175 138 115 117 179 114 142 162 170 149 109 100 126 158 140 143 100 177", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 159, "length": 211, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0768", "text": "PUEPBJ", "ciphertext": "PUEPBJ", "plaintext": "EUREKA", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0412", "text": "ELLMIRUDBMMINJTBLOBLFUGXFAPTNSAFWNMDBEMHBWPAGVLMHBDWNIGSVWBWPSEMPNPRSWVEHNLFABDSEOUHAPAPXFASAPNXELALEDAGXFAPSXFSEKSNGVBFUHBLLANMIEFNTAEMDAGTTPSEEFVIMNWBLDSVIMDABNJUDTXEFNVASIEIAELKTANGVAMPO", "ciphertext": "ELLMIRUDBMMINJTBLOBLFUGXFAPTNSAFWNMDBEMHBWPAGVLMHBDWNIGSVWBWPSEMPNPRSWVEHNLFABDSEOUHAPAPXFASAPNXELALEDAGXFAPSXFSEKSNGVBFUHBLLANMIEFNTAEMDAGTTPSEEFVIMNWBLDSVIMDABNJUDTXEFNVASIEIAELKTANGVAMPO", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 189, "length": 189, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0188", "text": "43 36 26 59 38 56 56 52 29 29 35 67 57 49 66 38 26 55 70 54 46 45 56 35 37 66 67 48 45 36 47 56 76 74 68 52 38 45 56 67 53 56 64 38 55 35 67 87 78 45 38 48 37 66 67 50 45 50 56 66 39 65 46 42 40 56 65 38 63", "ciphertext": "43 36 26 59 38 56 56 52 29 29 35 67 57 49 66 38 26 55 70 54 46 45 56 35 37 66 67 48 45 36 47 56 76 74 68 52 38 45 56 67 53 56 64 38 55 35 67 87 78 45 38 48 37 66 67 50 45 50 56 66 39 65 46 42 40 56 65 38 63", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 138, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0224", "text": "FAGDH76W7XDHYMO2W", "ciphertext": "FAGDH76W7XDHYMO2W", "plaintext": "ARCHERS TO THE WALLS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-155", "text": "AHEUJGDROBJULAFGBGDRXDPFAQULUFGDJRRAFGBBHR", "ciphertext": "AHEUJGDROBJULAFGBGDRXDPFAQULUFGDJRRAFGBBHR", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0010860", "text": "UIEOYVSTCQHEYAQIFCLLJMNGAYNIVOCTLLEBUUDKIIFQBFVPCXVQEGHGWHOZGXSGCPZOXGFPQVXJYVSTCJIQBTPHK", "ciphertext": "UIEOYVSTCQHEYAQIFCLLJMNGAYNIVOCTLLEBUUDKIIFQBFVPCXVQEGHGWHOZGXSGCPZOXGFPQVXJYVSTCJIQBTPHK", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY TOMORROW", "label": "autokey", "cipher": "autokey", "key": {"primer": "PRAYER"}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0015351", "text": "18.2.7 7.2.1 16.2.8 6.6.7 13.6.10 19.1.10 2.5.6 14.5.10 17.3.3 2.6.5 20.6.2 8.6.7 15.1.4 7.2.5 4.4.2 20.3.9 10.1.6 18.6.8 3.6.3 2.3.2 17.3.9 8.2.4 12.2.10 1.1.1 8.1.5 1.3.4 14.2.5 2.2.9 17.6.3 3.4.9 11.2.10 1.2.10 8.5.2 3.6.1 12.1.5 13.4.6 12.4.3 11.6.1 11.3.3 17.5.4 15.1.7 17.2.4 20.5.3 10.5.3 17.5.6 20.4.5 20.6.6 10.6.3 14.4.7 20.3.9 8.2.7 3.5.10 4.5.5 9.6.1 1.6.3 12.2.1 17.1.9 10.3.4 6.6.10 1.1.6 19.1.3", "ciphertext": "18.2.7 7.2.1 16.2.8 6.6.7 13.6.10 19.1.10 2.5.6 14.5.10 17.3.3 2.6.5 20.6.2 8.6.7 15.1.4 7.2.5 4.4.2 20.3.9 10.1.6 18.6.8 3.6.3 2.3.2 17.3.9 8.2.4 12.2.10 1.1.1 8.1.5 1.3.4 14.2.5 2.2.9 17.6.3 3.4.9 11.2.10 1.2.10 8.5.2 3.6.1 12.1.5 13.4.6 12.4.3 11.6.1 11.3.3 17.5.4 15.1.7 17.2.4 20.5.3 10.5.3 17.5.6 20.4.5 20.6.6 10.6.3 14.4.7 20.3.9 8.2.7 3.5.10 4.5.5 9.6.1 1.6.3 12.2.1 17.1.9 10.3.4 6.6.10 1.1.6 19.1.3", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ALWAYS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 61, "length": 61, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v3-0392", "text": "LAWHWTYXYZMHGINVBYEJQVAQZYNFQRGOXFPYOBAOUIFMCFQWDULIPBTSEXUQWAZHUWELXCZIBXRPSRPEVG", "ciphertext": "LAWHWTYXYZMHGINVBYEJQVAQZYNFQRGOXFPYOBAOUIFMCFQWDULIPBTSEXUQWAZHUWELXCZIBXRPSRPEVG", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0345", "text": "SDAMBIGBCAILKSBEKQRHUAMPEKSQNLPSDAKAWSLPMATLCUETBKIAQYQSAJTAHEVAPSLBTJEPBHQJESDKLW", "ciphertext": "SDAMBIGBCAILKSBEKQRHUAMPEKSQNLPSDAKAWSLPMATLCUETBKIAQYQSAJTAHEVAPSLBTJEPBHQJESDKLW", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008905", "text": "RCRMMRROAXUVREEETTPXDXRIIRELEOAYNXNIAXRXTRXEIWWSBXEOIDPCTOEH", "ciphertext": "RCRMMRROAXUVREEETTPXDXRIIRELEOAYNXNIAXRXTRXEIWWSBXEOIDPCTOEH", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH TOMORROW", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "SIGNAL"}, "difficulty": "medium", "language": "en", "text_length": 60, "length": 60, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "affine-v3-0184", "text": "WJLZOG RA WJLBO ZOGNIIZTNOHN TBGWNAZOT ANIZND RO UNADROBI HROGBHG BOK WJLBO DRJAHND ZO GWN QZNIK", "ciphertext": "WJLZOG RA WJLBO ZOGNIIZTNOHN TBGWNAZOT ANIZND RO UNADROBI HROGBHG BOK WJLBO DRJAHND ZO GWN QZNIK", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 1}, "difficulty": "beginner", "language": "en", "text_length": 82, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "book-cipher-v2-0010", "text": "4.1 5.1 10.1 3.1 24.1 4.1 3.1 6.1 24.1 35.1 9.1 7.1 7.1 10.1 58.1 24.1 15.1 7.1", "ciphertext": "4.1 5.1 10.1 3.1 24.1 4.1 3.1 6.1 24.1 35.1 9.1 7.1 7.1 10.1 58.1 24.1 15.1 7.1", "plaintext": "CONTACT HAS BEEN MADE", "label": "book_cipher", "cipher": "book_cipher", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 62, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-088", "text": "SEUSFVFVMXTWOBY", "ciphertext": "SEUSFVFVMXTWOBY", "plaintext": "EVACUATE THE BASE", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryha-v2-0220", "text": "IANWCLMTMUAASDQNEDGMRWRAOJMBXFBSAUDZIWLWKZKRUITCERTGDTJHGPMWFLHWNVMNSMCZXNXBUVCXZZKO", "ciphertext": "IANWCLMTMUAASDQNEDGMRWRAOJMBXFBSAUDZIWLWKZKRUITCERTGDTJHGPMWFLHWNVMNSMCZXNXBUVCXZZKO", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-de-044", "text": "RBRPHQLIRLEDIUIIVBQLVQVVDV", "ciphertext": "RBRPHQLIRLEDIUIIVBQLVQVVDV", "plaintext": "DER KRIEG IST ALLER DINGE VATER", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "de", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-079", "text": "NOAISRRNONKPEEST", "ciphertext": "NOAISRRNONKPEEST", "plaintext": "NO PRISONERS TAKEN", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryha-v2-0084", "text": "PSVMYFOJIMCZJRQGICHALWLBZVUZJXFAZTWTKYFCKXOKEDXHUIFREZZYNBOZCAICGALJTACNFLLXLCLUKXT", "ciphertext": "PSVMYFOJIMCZJRQGICHALWLBZVUZJXFAZTWTKYFCKXOKEDXHUIFREZZYNBOZCAICGALJTACNFLLXLCLUKXT", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0408", "text": "MDLJSAFLWDDAYWFUWXJGETDWLUZDWQHSJCYSNWLZWSDDAWKSFWFGJEGMKSVNSFLSYWAFOGJDVOSJLOGTQJWNWSDAFYYWJESFAFLWFLAGFKTWXGJWGHWJSLAGFKTWYSFTMLLZWKGMJUWZSVLGTWHJGLWULWVSLSDDUGKLK", "ciphertext": "MDLJSAFLWDDAYWFUWXJGETDWLUZDWQHSJCYSNWLZWSDDAWKSFWFGJEGMKSVNSFLSYWAFOGJDVOSJLOGTQJWNWSDAFYYWJESFAFLWFLAGFKTWXGJWGHWJSLAGFKTWYSFTMLLZWKGMJUWZSVLGTWHJGLWULWVSLSDDUGKLK", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011526", "text": "VPTII JMSIT WGGDW ZGKJZ WYSPD LQVXA VHREB SGRGS MCNOC DIVQI EPRGZ KRQRU FGTAV WDSST ZHGBP JPLWG QVPKS EQZXJ ECUIG LXVSC YIKWN QATIG GSVIZ CGJCB TQYTS MOKDO HSVBM RTBGM UJPBU TN", "ciphertext": "VPTII JMSIT WGGDW ZGKJZ WYSPD LQVXA VHREB SGRGS MCNOC DIVQI EPRGZ KRQRU FGTAV WDSST ZHGBP JPLWG QVPKS EQZXJ ECUIG LXVSC YIKWN QATIG GSVIZ CGJCB TQYTS MOKDO HSVBM RTBGM UJPBU TN", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "autokey", "cipher": "autokey", "key": {"primer": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 147, "length": 147, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "wheatstone-v2-0356", "text": "DABTOUBPSAPQILKNEPJQSDBSSDAEKSAHHECAKIAPAMLPSEQBIIUPBSABKTPAOUEPAQEJJATEBSAQWENSBISELK", "ciphertext": "DABTOUBPSAPQILKNEPJQSDBSSDAEKSAHHECAKIAPAMLPSEQBIIUPBSABKTPAOUEPAQEJJATEBSAQWENSBISELK", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0108", "text": "TDJCIHNCLGFVK+DFKKYI", "ciphertext": "TDJCIHNCLGFVK+DFKKYI", "plaintext": "THE LEGIONS STAND READY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0190", "text": "CNN RGTUQPU DQTP QT PCVWTCNKBGF KP VJG WPKVGF UVCVGU CTG EKVKBGPU UWDLGEV VQ GSWCN RTQVGEVKQP", "ciphertext": "CNN RGTUQPU DQTP QT PCVWTCNKBGF KP VJG WPKVGF UVCVGU CTG EKVKBGPU UWDLGEV VQ GSWCN RTQVGEVKQP", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 2}, "difficulty": "beginner", "language": "en", "text_length": 79, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0226", "text": "ACHOJCWFSQMMVRDBHPA", "ciphertext": "ACHOJCWFSQMMVRDBHPA", "plaintext": "TREACHERY IN THE COURT", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-1342", "text": "QBYHYPYL UHS ZILG IZ AIPYLHGYHN VYWIGYM XYMNLOWNCPY IZ NBYMY YHXM CN CM NBY LCABN IZ NBY JYIJFY NI UFNYL IL NI UVIFCMB CN UHX NI CHMNCNONY HYQ AIPYLHGYHN FUSCHA CNM ZIOHXUNCIH IH MOWB JLCHWCJFYM", "ciphertext": "QBYHYPYL UHS ZILG IZ AIPYLHGYHN VYWIGYM XYMNLOWNCPY IZ NBYMY YHXM CN CM NBY LCABN IZ NBY JYIJFY NI UFNYL IL NI UVIFCMB CN UHX NI CHMNCNONY HYQ AIPYLHGYHN FUSCHA CNM ZIOHXUNCIH IH MOWB JLCHWCJFYM", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 20}, "difficulty": "beginner", "language": "en", "text_length": 161, "length": 194, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0256", "text": "LGOMYVODTYLHVI", "ciphertext": "LGOMYVODTYLHVI", "plaintext": "STORM THE BREACH", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0197", "text": "161 177 180 179 166 174 119 173 167 109 177 117 136 135 173 160 140 166 118 132 174 149 177 120 168 112 181 134 173 158 148 174 130 128 115 177 169 126 158 179 102 177 137 170 135 148 173 158 173 177 175 115 177 107 119 166 161 102 154 175 173 177 168 136 169 126 158 157 161 147 180 156 136 117 143 129 135 128 148 168 107 143 154 171 145 125 100 180 117 140 164 145 117 143 182 142 100 173 109 150 126 162 149 177 162 118 136 117 175 152 119 173 112 177 138 103 114 135 147 124 164 138 138 129 109 114", "ciphertext": "161 177 180 179 166 174 119 173 167 109 177 117 136 135 173 160 140 166 118 132 174 149 177 120 168 112 181 134 173 158 148 174 130 128 115 177 169 126 158 179 102 177 137 170 135 148 173 158 173 177 175 115 177 107 119 166 161 102 154 175 173 177 168 136 169 126 158 157 161 147 180 156 136 117 143 129 135 128 148 168 107 143 154 171 145 125 100 180 117 140 164 145 117 143 182 142 100 173 109 150 126 162 149 177 162 118 136 117 175 152 119 173 112 177 138 103 114 135 147 124 164 138 138 129 109 114", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 378, "length": 503, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008145", "text": "IYEPEZEMIECMNNTUGVYZXAIJPVFMMFTDFZHNGOIZSEXCAMKEEFPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRGLVRSNYBZOSEPIESVEQIAVSIGLGEJXRDLVHIVIZVDFJQTTIBZMEVMMASSLIOOOCDIVQIEPRGZKRQRUFGTAVWDSSTZHGBPJ", "ciphertext": "IYEPEZEMIECMNNTUGVYZXAIJPVFMMFTDFZHNGOIZSEXCAMKEEFPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRGLVRSNYBZOSEPIESVEQIAVSIGLGEJXRDLVHIVIZVDFJQTTIBZMEVMMASSLIOOOCDIVQIEPRGZKRQRUFGTAVWDSSTZHGBPJ", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "autokey", "cipher": "autokey", "key": {"primer": "PRAYER"}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0014867", "text": "dainy shal sheol otol qokeedy oror okal choldaiin oror kaiiin otedy ytedy ctaiin otain oxed raiin dainy chedy okal ytedy rcheol chol rcheol cheol ctaiin daral shedy sheol shedy ykcheol daral shaiin otain okal raiin qokal okal okedy daral chedal dal ctaiin shedy dainy shedy qotedy ykcheol kaiiin qotedy kaiiin okal chedal qokal", "ciphertext": "dainy shal sheol otol qokeedy oror okal choldaiin oror kaiiin otedy ytedy ctaiin otain oxed raiin dainy chedy okal ytedy rcheol chol rcheol cheol ctaiin daral shedy sheol shedy ykcheol daral shaiin otain okal raiin qokal okal okedy daral chedal dal ctaiin shedy dainy shedy qotedy ykcheol kaiiin qotedy kaiiin okal chedal qokal", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 275, "length": 275, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "red-type-a-v3-0245", "text": "FVOSEJORHOJISOPOAMH", "ciphertext": "FVOSEJORHOJISOPOAMH", "plaintext": "THE TELESCOPE REVEALS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0979", "text": "RSIHOHWNTJVBVVZYYWLOKNWNGNALEECURNFMNIZQFXAJLWYQQTAFBVZLWRSGCYRCCSQGLHVJDVFSILZWRUZX", "ciphertext": "RSIHOHWNTJVBVVZYYWLOKNWNGNALEECURNFMNIZQFXAJLWYQQTAFBVZLWRSGCYRCCSQGLHVJDVFSILZWRUZX", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "VWX"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014389", "text": "BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABBBA AABBB AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA ABAAA AABAA BAAAB AABAA BABAB ABBBA ABBAB BAAAB AABAA BAAAB ABAAA ABABB ABBBA ABABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB", "ciphertext": "BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABBBA AABBB AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA ABAAA AABAA BAAAB AABAA BABAB ABBBA ABBAB BAAAB AABAA BAAAB ABAAA ABABB ABBBA ABABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 490, "length": 490, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0015542", "text": "PARTS OUTER LINES YEARS ARRAY LARGE POSTS HEADS ARRAY BROAD EARLY TRACK INPUT COULD COVER INPUT PHASE HOUSE EIGHT ROUTE SEEKS UNITE SCOUT ENTER MIXED", "ciphertext": "PARTS OUTER LINES YEARS ARRAY LARGE POSTS HEADS ARRAY BROAD EARLY TRACK INPUT COULD COVER INPUT PHASE HOUSE EIGHT ROUTE SEEKS UNITE SCOUT ENTER MIXED", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "navajo-code-v3-0046", "text": "THAN-ZIE CHA DZEH   /   CHUO WOL-LA-CHEE MOASI A-WOH A-KHA GAH TSAH-AS-ZIH   /   DAH-NES-TSA TLO-CHIN WOL-LA-CHEE DAH-NES-TSA DIBEH", "ciphertext": "THAN-ZIE CHA DZEH   /   CHUO WOL-LA-CHEE MOASI A-WOH A-KHA GAH TSAH-AS-ZIH   /   DAH-NES-TSA TLO-CHIN WOL-LA-CHEE DAH-NES-TSA DIBEH", "plaintext": "THE FACTORY ROARS", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 107, "length": 131, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0070", "text": "UGELIZEOFMONCZNPUGLUOOUNDTLLPZNBHPQNQNSTHEEMZBMHHNKHUGATMOZBSTHEZKTAFW", "ciphertext": "UGELIZEOFMONCZNPUGLUOOUNDTLLPZNBHPQNQNSTHEEMZBMHHNKHUGATMOZBSTHEZKTAFW", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016552", "text": "20 23 15 19 17 21 1 18 5 3 9 16 8 5 18 5 14 3 18 25 16 20 19 4 9 7 18 1 16 8 19 23 9 20 8 20 23 15 16 15 12 25 2 9 21 19 1 12 16 8 1 2 5 20 19 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 13 5 1 19 21 18 5 19 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 4 9 19 20 18 9 2 21 20 9 15 14 20 8 5 11 1 19 9 19 11 9 5 24 1 13 9 14 1 20 9 15 14 6 9 14 4 19 18 5 16 5 1 20 5 4 20 18 9 7 18 1 13 19 9 14 3 9 16 8 5 18 20 5 24 20 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19", "ciphertext": "20 23 15 19 17 21 1 18 5 3 9 16 8 5 18 5 14 3 18 25 16 20 19 4 9 7 18 1 16 8 19 23 9 20 8 20 23 15 16 15 12 25 2 9 21 19 1 12 16 8 1 2 5 20 19 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 13 5 1 19 21 18 5 19 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 4 9 19 20 18 9 2 21 20 9 15 14 20 8 5 11 1 19 9 19 11 9 5 24 1 13 9 14 1 20 9 15 14 6 9 14 4 19 18 5 16 5 1 20 5 4 20 18 9 7 18 1 13 19 9 14 3 9 16 8 5 18 20 5 24 20 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "nihilist-v2-0417", "text": "97 46 59 46 36 64 27 49 46 57 84 38 70 35 25 67 47 79 66 44 76 36 59 52 45 63 25 68 32 43 66 39 88 54 56 67 28 76 33 23 67 48 46 35 65 87 38 50 52 36 66 39 80 53 36 84 28 70 42 26 63 38 68 65 63 63 29 59 34 56 97 26 46 36 45 63 45", "ciphertext": "97 46 59 46 36 64 27 49 46 57 84 38 70 35 25 67 47 79 66 44 76 36 59 52 45 63 25 68 32 43 66 39 88 54 56 67 28 76 33 23 67 48 46 35 65 87 38 50 52 36 66 39 80 53 36 84 28 70 42 26 63 38 68 65 63 63 29 59 34 56 97 26 46 36 45 63 45", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-005", "text": "... .....   .... ..   ... ....   . ...   . .....   . .....   . ....   . .   .... ...   ... .....   ... .   . .   ... ...   ... ...   . .....   . ....", "ciphertext": "... .....   .... ..   ... ....   . ...   . .....   . .....   . ....   . .   .... ...   ... .....   ... .   . .   ... ...   ... ...   . .....   . ....", "plaintext": "PROCEED AS PLANNED", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 88, "length": 149, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-233", "text": "DEKLFZKQVEAECGYEKOGFMOKOEOESWEYZUSDDSYCKOEZKSPZMGCSPRUGPEWEP", "ciphertext": "DEKLFZKQVEAECGYEKOGFMOKOEOESWEYZUSDDSYCKOEZKSPZMGCSPRUGPEWEP", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002106", "text": "SNVY PYBF RQVF NCBF GHER ABGN FYBT NANA NSSV ARPV CURE NCCY VRFN YVAR NESH APGV BAGB RNPU YRGG REPB YHZA NEGE NAFC BFVG VBAE RNQF PBYH ZAFV AXRL BEQR E", "ciphertext": "SNVY PYBF RQVF NCBF GHER ABGN FYBT NANA NSSV ARPV CURE NCCY VRFN YVAR NESH APGV BAGB RNPU YRGG REPB YHZA NEGE NAFC BFVG VBAE RNQF PBYH ZAFV AXRL BEQR E", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "double-transposition-v3-0271", "text": "BAEEYRAVERRIOODISFONDSODHEISFBRLSTENAEEEMHAVSIALTNNTLNHONCCNYETNDEEEIAGDOADAN", "ciphertext": "BAEEYRAVERRIOODISFONDSODHEISFBRLSTENAEEEMHAVSIALTNNTLNHONCCNYETNDEEEIAGDOADAN", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-162", "text": "ELEMENTARYMYDEARWATSONTHEGAMEISAFOOTANDTFECRIMINALISCLOSE", "ciphertext": "ELEMENTARYMYDEARWATSONTHEGAMEISAFOOTANDTFECRIMINALISCLOSE", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018482", "text": "HVWUBDMURNRDPUIFOYWUMPVWKLAFDTVWKSQIJIQHVCVKTGPXGJRVEUOSAJAYESXFKLORKSSGQWJJKKDYBBNITZIWKWWFZIHIZCDTWORGOYPSFEFGZPYTFMONYJUJAZBNTCWZLKPOYALRJSV", "ciphertext": "HVWUBDMURNRDPUIFOYWUMPVWKLAFDTVWKSQIJIQHVCVKTGPXGJRVEUOSAJAYESXFKLORKSSGQWJJKKDYBBNITZIWKWWFZIHIZCDTWORGOYPSFEFGZPYTFMONYJUJAZBNTCWZLKPOYALRJSV", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 143, "length": 143, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "autokey-v3-0168", "text": "LSEXIEDHGXGSELPSTAXHUTVGTYQRPVRGAIULOFWHEGIPXGOWJGAPTSXGQCOJKRLHSPPNMNQHBX", "ciphertext": "LSEXIEDHGXGSELPSTAXHUTVGTYQRPVRGAIULOFWHEGIPXGOWJGAPTSXGQCOJKRLHSPPNMNQHBX", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0200", "text": "135 174 117 179 108 129 110 141 167 168 100 107 156 149 151 160 182 154 171 117 127 171 175 138 115 112 146 100 143 153 173 150 141 168 109 152 107 157 182 179 163 114 143 170 119 120 152 117 143 100 177 129 161 157 174 119 161 115 117 161 166 154 175 126 153 148 129 100 100 176 122 128 129 110 134 139 128 114 118 149 157 177 166 138 145 176 158 139 128 114 118 145 100 152 154 135 117 173 109 163 136 156 164 119 165 118 138 151 110 169 110 119 112 158 148 174 116 140 114", "ciphertext": "135 174 117 179 108 129 110 141 167 168 100 107 156 149 151 160 182 154 171 117 127 171 175 138 115 112 146 100 143 153 173 150 141 168 109 152 107 157 182 179 163 114 143 170 119 120 152 117 143 100 177 129 161 157 174 119 161 115 117 161 166 154 175 126 153 148 129 100 100 176 122 128 129 110 134 139 128 114 118 149 157 177 166 138 145 176 158 139 128 114 118 145 100 152 154 135 117 173 109 163 136 156 164 119 165 118 138 151 110 169 110 119 112 158 148 174 116 140 114", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 357, "length": 475, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0095", "text": "OPUBCWVNESTLCFCTFNPSFSLFLDHTTOOJDJLPOTFWQDFJPFTXDHUPOVWQCTLMVJIXPDWUJESTLCFCTTDJIQNJCFEXPDSTDNDOKWQDLBJHXPDJDVDQESFNADJBOFNJPWTTFCSLCWOBOSDQFLMVLEOVJODAUPTODHTLHDVDDLOJLHDBOVFWQCWQQOQFLDJPTXOPUIDJMSDLLJK", "ciphertext": "OPUBCWVNESTLCFCTFNPSFSLFLDHTTOOJDJLPOTFWQDFJPFTXDHUPOVWQCTLMVJIXPDWUJESTLCFCTTDJIQNJCFEXPDSTDNDOKWQDLBJHXPDJDVDQESFNADJBOFNJPWTTFCSLCWOBOSDQFLMVLEOVJODAUPTODHTLHDVDDLOJLHDBOVFWQCWQQOQFLDJPTXOPUIDJMSDLLJK", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 203, "length": 203, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0208", "text": "TPICIQ+ROEOTEAUAIIRTCP+RCOU+LPNFIDENFFCKPRHHAFVCHDNFIDEPHHDKAEPOHBFPLDD+HHTRDNLSF+THVCLIETOIMDIGCCLOCRIYYCFHLYNIMIIUCEGOHPTICDOIHJRUOURFPOJGTQTJCAEHMTSBOEHFOGHUTDEIOPACGVRDRJANC", "ciphertext": "TPICIQ+ROEOTEAUAIIRTCP+RCOU+LPNFIDENFFCKPRHHAFVCHDNFIDEPHHDKAEPOHBFPLDD+HHTRDNLSF+THVCLIETOIMDIGCCLOCRIYYCFHLYNIMIIUCEGOHPTICDOIHJRUOURFPOJGTQTJCAEHMTSBOEHFOGHUTDEIOPACGVRDRJANC", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0015", "text": "RCIBBFNUXEUEQS", "ciphertext": "RCIBBFNUXEUEQS", "plaintext": "THE SIEGE BEGINS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0630", "text": "FYLAMRIKTELSUXVTFRWYXKWNNBXWLFHRWIJBBTFUQRFCWSGQRRSTXJRZTRGLNNJZVWZCUTEQULRHKNZGHWZWMKMFHDEFJCKEZTLFLWGQWCUFFOPHGTADHUHGTQZGRSVTQBLIIYSSSGIKHPCIYJRRPWROXETYRRWZIDFVWLPRHDSXDQOKJHD", "ciphertext": "FYLAMRIKTELSUXVTFRWYXKWNNBXWLFHRWIJBBTFUQRFCWSGQRRSTXJRZTRGLNNJZVWZCUTEQULRHKNZGHWZWMKMFHDEFJCKEZTLFLWGQWCUFFOPHGTADHUHGTQZGRSVTQBLIIYSSSGIKHPCIYJRRPWROXETYRRWZIDFVWLPRHDSXDQOKJHD", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0388", "text": "FGYWWEBOPDNOIOZAHPIBV", "ciphertext": "FGYWWEBOPDNOIOZAHPIBV", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0262", "text": "WPBWROGQPMQOKMGHAPIVBNLZXKMQZMXUMPSIMSQPLACWVJWLLQHVQWHRVLBLLVDIXDTI", "ciphertext": "WPBWROGQPMQOKMGHAPIVBNLZXKMQZMXUMPSIMSQPLACWVJWLLQHVQWHRVLBLLVDIXDTI", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005628", "text": "POAMEEOKMHREOEHUKDODSBTFNEAEAANAEREELEPEOOLYLMDLECAEMRYDARFRYSLIVPPHRSIXBLISICWPTUAHOLCHSXIERFVEHAHSNASEHOUXUTSREWECECCBITIUSXSTOOBONETIEETTTLEXEEFMRRTIRPSTIEEDHXNRNOUKHSIHTBORCMAXCSUNTSESTEHYNTTARX", "ciphertext": "POAMEEOKMHREOEHUKDODSBTFNEAEAANAEREELEPEOOLYLMDLECAEMRYDARFRYSLIVPPHRSIXBLISICWPTUAHOLCHSXIERFVEHAHSNASEHOUXUTSREWECECCBITIUSXSTOOBONETIEETTTLEXEEFMRRTIRPSTIEEDHXNRNOUKHSIHTBORCMAXCSUNTSESTEHYNTTARX", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "scytale", "cipher": "scytale", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 198, "length": 198, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0277", "text": "LIBERTYORDEATH", "ciphertext": "LIBERTYORDEATH", "plaintext": "LIBERTY OR DEATH", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-192", "text": "WPHQRBZYEXQNKVYX", "ciphertext": "WPHQRBZYEXQNKVYX", "plaintext": "CIPHER KEY CHANGED", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PORTAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0567", "text": "DDAFDAAGGDAAFFDGAAFGAFFAAGVGVFVXDDVVGDVXVVXDGGDVVGADFADFDAAGAFAGGFAAAAAFFAVVVGDVDXXDXVAGDXGAFVXDDXXXFDVXVFDVGFGGDDVVVVGDGXFFFFGGGFDDADFVFADGDAADFGAD", "ciphertext": "DDAFDAAGGDAAFFDGAAFGAFFAAGVGVFVXDDVVGDVXVVXDGGDVVGADFADFDAAGAFAGGFAAAAAFFAVVVGDVDXXDXVAGDXGAFVXDDXXXFDVXVFDVGFGGDDVVVVGDGXFFFFGGGFDDADFVFADGDAADFGAD", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-032", "text": "⟨a11⟩ ⟨a18⟩ ⟨w07⟩ ⟨w02⟩ ⟨a12⟩ ⟨a16⟩ ⟨w23⟩ ⟨a11⟩ ⟨w15⟩ ⟨n03⟩ ⟨w07⟩ ⟨w12⟩ ⟨w23⟩ ⟨w15⟩ ⟨a15⟩", "ciphertext": "⟨a11⟩ ⟨a18⟩ ⟨w07⟩ ⟨w02⟩ ⟨a12⟩ ⟨a16⟩ ⟨w23⟩ ⟨a11⟩ ⟨w15⟩ ⟨n03⟩ ⟨w07⟩ ⟨w12⟩ ⟨w23⟩ ⟨w15⟩ ⟨a15⟩", "plaintext": "OPERATION BEGINS", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 89, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-050", "text": "OCTPMOEJIPMHKEJRHOPNHVBEMOPSDTOEOCTKOPOTHOHKNHJTEMATPOC", "ciphertext": "OCTPMOEJIPMHKEJRHOPNHVBEMOPSDTOEOCTKOPOTHOHKNHJTEMATPOC", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "GEEZ"}, "difficulty": "advanced", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v2-0146", "text": "AXJVGSNXRXNNHTDGARFCMZ", "ciphertext": "AXJVGSNXRXNNHTDGARFCMZ", "plaintext": "EXTRACTION POINT CHANGED", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-112", "text": "HOWRUENAMXQKQKSTHEDPTOFBDMBIEIKBSBESWIOLQMTTHEMUZELGEPHAODEEKTFMEOICPGRTFMTKUHNMSTHEDMHAYMDSENCODESTOBDMBIOLCNISTODVTBHOWRTOGQMVISABFPTLCTAZEPSX", "ciphertext": "HOWRUENAMXQKQKSTHEDPTOFBDMBIEIKBSBESWIOLQMTTHEMUZELGEPHAODEEKTFMEOICPGRTFMTKUHNMSTHEDMHAYMDSENCODESTOBDMBIOLCNISTODVTBHOWRTOGQMVISABFPTLCTAZEPSX", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 144, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018999", "text": "6.31.9 15.36.1 12.7.8 20.44.10 5.46.5 18.33.1 16.31.12 17.27.9 19.12.8 3.47.12 11.47.1 20.41.10 14.26.1 15.11.11 14.33.9 15.29.1 11.39.5 11.36.15 12.39.11 13.4.13 14.47.1 6.40.7 4.42.4 17.27.3 14.41.5 18.44.8 8.34.2 7.44.9 13.25.6 13.23.10 5.12.13 20.47.6 4.5.8 11.30.3 13.47.2 18.30.7 19.14.5 11.41.6 20.40.13 7.13.8 17.22.8 14.8.2 13.50.1 18.30.15 12.43.12 9.24.6 1.8.5 16.5.2 9.26.10 15.5.13 19.36.6 20.17.7 18.44.2 11.42.9 8.2.5 19.28.15 8.37.5 2.46.13 7.30.6 12.44.8 11.48.11 11.9.11 12.42.12 2.4.11 11.28.11 20.33.1 14.14.9 13.22.5 3.30.10 18.7.4 18.9.13 14.43.7 19.33.1 6.24.13 8.8.15 5.41.10 19.26.8 9.24.4 13.30.5 17.12.12 18.49.13 3.16.12 20.30.2 12.9.2 18.36.8 16.27.5 8.29.1 6.36.5 14.30.8 11.9.2 4.30.9 6.11.9 9.23.4 8.47.10 6.45.5 15.23.3", "ciphertext": "6.31.9 15.36.1 12.7.8 20.44.10 5.46.5 18.33.1 16.31.12 17.27.9 19.12.8 3.47.12 11.47.1 20.41.10 14.26.1 15.11.11 14.33.9 15.29.1 11.39.5 11.36.15 12.39.11 13.4.13 14.47.1 6.40.7 4.42.4 17.27.3 14.41.5 18.44.8 8.34.2 7.44.9 13.25.6 13.23.10 5.12.13 20.47.6 4.5.8 11.30.3 13.47.2 18.30.7 19.14.5 11.41.6 20.40.13 7.13.8 17.22.8 14.8.2 13.50.1 18.30.15 12.43.12 9.24.6 1.8.5 16.5.2 9.26.10 15.5.13 19.36.6 20.17.7 18.44.2 11.42.9 8.2.5 19.28.15 8.37.5 2.46.13 7.30.6 12.44.8 11.48.11 11.9.11 12.42.12 2.4.11 11.28.11 20.33.1 14.14.9 13.22.5 3.30.10 18.7.4 18.9.13 14.43.7 19.33.1 6.24.13 8.8.15 5.41.10 19.26.8 9.24.4 13.30.5 17.12.12 18.49.13 3.16.12 20.30.2 12.9.2 18.36.8 16.27.5 8.29.1 6.36.5 14.30.8 11.9.2 4.30.9 6.11.9 9.23.4 8.47.10 6.45.5 15.23.3", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "diana-v2-0082", "text": "YTZOAVKMLGREDHWCSNFZJPLKNLNOLRAWLSRONOACBYDJJRARYSUGMCKSCSMDCTJPMREHNIEERMMOAAWWK", "ciphertext": "YTZOAVKMLGREDHWCSNFZJPLKNLNOLRAWLSRONOACBYDJJRARYSUGMCKSCSMDCTJPMREHNIEERMMOAAWWK", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-vi-0102", "text": "BMP TFR JMPS YMUP DMS GQ C EMLQUKGLD BGPR C HRCJMUQ DMS WFM WGJJ LMT QFCPR FGQ DJMPY WGTF CLMTFRP", "ciphertext": "BMP TFR JMPS YMUP DMS GQ C EMLQUKGLD BGPR C HRCJMUQ DMS WFM WGJJ LMT QFCPR FGQ DJMPY WGTF CLMTFRP", "plaintext": "FOR THE LORD YOUR GOD IS A CONSUMING FIRE A JEALOUS GOD WHO WILL NOT SHARE HIS GLORY WITH ANOTHER", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CAESAR"}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 97, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0113", "text": "VJWDGXCAKDCNFPMB", "ciphertext": "VJWDGXCAKDCNFPMB", "plaintext": "RENDER UNTO CAESAR", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0324", "text": "UNOIHGWG", "ciphertext": "UNOIHGWG", "plaintext": "DEUS VULT", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 8, "length": 8, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0105", "text": "MQBJSCOKHIJJTMHJWT", "ciphertext": "MQBJSCOKHIJJTMHJWT", "plaintext": "THE ORACLE HAS SPOKEN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DEF"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012630", "text": "12.6.4 13.3.3 9.6.10 16.5.7 12.6.1 5.1.3 3.4.1 17.6.10 19.6.6 17.2.7 12.4.5 19.5.1 3.6.3 9.4.4 4.3.3 20.5.4 7.2.10 11.1.4 15.5.9 13.6.4 8.6.6 3.3.4 6.3.3 5.2.2 2.3.4 4.3.4 14.2.4 15.3.2 4.3.4 4.3.6 4.3.1 6.6.3 15.4.8 16.6.3 11.5.9 15.4.10 20.3.10 17.4.6 15.2.9 5.4.3 5.4.4 20.1.8 14.2.2 19.4.9 12.5.6 9.6.9 1.2.6 19.4.8 3.4.4 20.2.10 16.1.2 7.5.8 10.3.10 5.6.5 14.5.10 5.1.3 2.1.2 5.5.5 7.2.6 4.2.10 1.2.6 20.2.1 9.2.2 9.2.7 19.3.3 3.1.7 11.3.7 10.1.4 17.2.3 5.5.10 10.6.8 18.1.3 18.4.7 6.5.1 7.6.2 5.3.10 6.4.7 11.4.10 13.2.9 7.6.6 8.1.6 10.2.8 15.5.10 20.6.2 17.5.4", "ciphertext": "12.6.4 13.3.3 9.6.10 16.5.7 12.6.1 5.1.3 3.4.1 17.6.10 19.6.6 17.2.7 12.4.5 19.5.1 3.6.3 9.4.4 4.3.3 20.5.4 7.2.10 11.1.4 15.5.9 13.6.4 8.6.6 3.3.4 6.3.3 5.2.2 2.3.4 4.3.4 14.2.4 15.3.2 4.3.4 4.3.6 4.3.1 6.6.3 15.4.8 16.6.3 11.5.9 15.4.10 20.3.10 17.4.6 15.2.9 5.4.3 5.4.4 20.1.8 14.2.2 19.4.9 12.5.6 9.6.9 1.2.6 19.4.8 3.4.4 20.2.10 16.1.2 7.5.8 10.3.10 5.6.5 14.5.10 5.1.3 2.1.2 5.5.5 7.2.6 4.2.10 1.2.6 20.2.1 9.2.2 9.2.7 19.3.3 3.1.7 11.3.7 10.1.4 17.2.3 5.5.10 10.6.8 18.1.3 18.4.7 6.5.1 7.6.2 5.3.10 6.4.7 11.4.10 13.2.9 7.6.6 8.1.6 10.2.8 15.5.10 20.6.2 17.5.4", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PERHAPS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v2-0170", "text": "7338 8100 8854 7194 8437 7401 8528 7401 7720 7467 7974 7194 8038 9003 8603 7720 7974 7467 8528 7256 7467 7529 8100 8437 7467 8603 7654 7467 7720 8437 7401 7467 7194 8603 7654 8528 8603 7654 7467 8781 7194 7911 7720 7194 8038 8603 8038 7467 8781 7467 8437 8603 7194 8528 8603 7467 7401 7467 7194 8603 7654 7256 8685 8603 8100 8038 7338 7467", "ciphertext": "7338 8100 8854 7194 8437 7401 8528 7401 7720 7467 7974 7194 8038 9003 8603 7720 7974 7467 8528 7256 7467 7529 8100 8437 7467 8603 7654 7467 7720 8437 7401 7467 7194 8603 7654 8528 8603 7654 7467 8781 7194 7911 7720 7194 8038 8603 8038 7467 8781 7467 8437 8603 7194 8528 8603 7467 7401 7467 7194 8603 7654 7256 8685 8603 8100 8038 7338 7467", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 272, "length": 339, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-v3-0006", "text": "TIG JEYKZ PXVO RVFB", "ciphertext": "TIG JEYKZ PXVO RVFB", "plaintext": "THE GATES HOLD FIRM", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021845", "text": "0694 5713 6692 6318 1642 01929 04725 05675 01008 01621 7300 04799 5706 3533 06064 04803 04458 03860 7922 7236 2602 1636 04437 6341 02531 01609 3489 01618 07900 06005 05070 0376 00995 01579 2886 6058 6018 4087 00410 03858 3805 04148 4719 1306 1594 5676 04399 01638 4444 0998 05673 07895 05104 06312 2909 4734 04434 02866 06034 04411 4741 6367 00649 5710 04775 3478 1640 4446 0723 7899 03830 1571 6367 6291 1664 05658 1973 05654 01650 05368 06688 01575 04481 01001 07935 05709 04786 06648 06362 01582 01030 02830 5051 2529 1605 5654 06033 05744 01599 0349 01298 00376 2210 5720 02879 1342 2924 04400 00363 05025 05686 01596 06021 0980 5750 02846 0727 1573 01332 02251 1634 04726 04107 01605 06319 5711 02903 0993 5051 00387 06364 6290 1584 5732 4495 5026 1619 01661 05701 5680 01604 06990 02832 1598 7288 00369 04494 1346 05705 1588 5068 5662 4754 01290 6636 00993 2892 0684 02885 3815 2850 06348 07895 04170 0396 6309 06341 1600 5714 02894 4428 05676 01576 6001 1571 0337 05733 00961 2569", "ciphertext": "0694 5713 6692 6318 1642 01929 04725 05675 01008 01621 7300 04799 5706 3533 06064 04803 04458 03860 7922 7236 2602 1636 04437 6341 02531 01609 3489 01618 07900 06005 05070 0376 00995 01579 2886 6058 6018 4087 00410 03858 3805 04148 4719 1306 1594 5676 04399 01638 4444 0998 05673 07895 05104 06312 2909 4734 04434 02866 06034 04411 4741 6367 00649 5710 04775 3478 1640 4446 0723 7899 03830 1571 6367 6291 1664 05658 1973 05654 01650 05368 06688 01575 04481 01001 07935 05709 04786 06648 06362 01582 01030 02830 5051 2529 1605 5654 06033 05744 01599 0349 01298 00376 2210 5720 02879 1342 2924 04400 00363 05025 05686 01596 06021 0980 5750 02846 0727 1573 01332 02251 1634 04726 04107 01605 06319 5711 02903 0993 5051 00387 06364 6290 1584 5732 4495 5026 1619 01661 05701 5680 01604 06990 02832 1598 7288 00369 04494 1346 05705 1588 5068 5662 4754 01290 6636 00993 2892 0684 02885 3815 2850 06348 07895 04170 0396 6309 06341 1600 5714 02894 4428 05676 01576 6001 1571 0337 05733 00961 2569", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 179, "length": 179, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0012867", "text": "chedy otedy dainy rcheol otol raiin okeedy shor okeedy okal dal qotedy dal oxed shaiin choldaiin okshy oror", "ciphertext": "chedy otedy dainy rcheol otol raiin okeedy shor okeedy okal dal qotedy dal oxed shaiin choldaiin okshy oror", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0009924", "text": "PBYHZANE GENAFCBFVGVBA ERNQF PBYHZAF VA XRL BEQRE N FGEBAT PYNVZ ARRQF FGEBAT RIVQRAPR N GENAFCNERAG GBBY FUBHYQ FUBJ VGF ERNFBAVAT", "ciphertext": "PBYHZANE GENAFCBFVGVBA ERNQF PBYHZAF VA XRL BEQRE N FGEBAT PYNVZ ARRQF FGEBAT RIVQRAPR N GENAFCNERAG GBBY FUBHYQ FUBJ VGF ERNFBAVAT", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER A STRONG CLAIM NEEDS STRONG EVIDENCE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 112, "length": 112, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0021080", "text": "11 50 25 80 68 65 36 68 29 11 66 80 50 25 80 68 65 36 76 80 82 72 59 82 29 52 50 82 61 82 73 65 69 61 82 61 50 77 65 57 82 52 50 65 36 82 80 61 69 20 61 82 80 95 68 20 57 82 82 95 50 11 82 29 52 82 52 69 77 82 61 20 82 76 69 80 82 52 69 29 76 50 11 82 29 52 82", "ciphertext": "11 50 25 80 68 65 36 68 29 11 66 80 50 25 80 68 65 36 76 80 82 72 59 82 29 52 50 82 61 82 73 65 69 61 82 61 50 77 65 57 82 52 50 65 36 82 80 61 69 20 61 82 80 95 68 20 57 82 82 95 50 11 82 29 52 82 52 69 77 82 61 20 82 76 69 80 82 52 69 29 76 50 11 82 29 52 82", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 87, "length": 87, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v2-0501", "text": "ZWSVIMSJLWJKXAJKLSJEQUGJHKGJVWJKXGJGULGTWJXGMJLZFAFWLWWFWAYZLWWFLZWUGJHKOADDSLLSUCSLRWJGZGMJOALZSDDSNSADSTDWXGJUWKLZWGTBWULANWAKLZWJAVYWGNWJDGGCAFYLZWSJYGFFWXGJWKL", "ciphertext": "ZWSVIMSJLWJKXAJKLSJEQUGJHKGJVWJKXGJGULGTWJXGMJLZFAFWLWWFWAYZLWWFLZWUGJHKOADDSLLSUCSLRWJGZGMJOALZSDDSNSADSTDWXGJUWKLZWGTBWULANWAKLZWJAVYWGNWJDGGCAFYLZWSJYGFFWXGJWKL", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 163, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0466", "text": "OROWJPUFANPFRKZHPLNMLXBUTRWHWTSMOZGPEKBLADUONVHOOMZPOMFJOEEHKPIWQRUGFWOMLGKERXEN", "ciphertext": "OROWJPUFANPFRKZHPLNMLXBUTRWHWTSMOZGPEKBLADUONVHOOMZPOMFJOEEHKPIWQRUGFWOMLGKERXEN", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0337", "text": "AEEJZJDGLJBQGNAAYEEQBTLRBNBUCSUWSNEGZUDXGPTXRWFAYUDGAFARHSLBDQTPTHCTPUCOZOSRKJPQN", "ciphertext": "AEEJZJDGLJBQGNAAYEEQBTLRBNBUCSUWSNEGZUDXGPTXRWFAYUDGAFARHSLBDQTPTHCTPUCOZOSRKJPQN", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0394", "text": "COTIEONLSAGOHFNEAEBINTRGKWNLLOGERARAIERNEEMEGSRPIESLSNHFRTXESLPIMOOIESSAETETHBRIHCNIC", "ciphertext": "COTIEONLSAGOHFNEAEBINTRGKWNLLOGERARAIERNEEMEGSRPIESLSNHFRTXESLPIMOOIESSAETETHBRIHCNIC", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0095", "text": "PZUPWCQZMBKWHZHQXAPCHGZGOFBXAZECJILEESZRCUYAQOOHPOTNIZWUTLOTGBHWRVFMPJFBIFYDDJQTHR", "ciphertext": "PZUPWCQZMBKWHZHQXAPCHGZGOFBXAZECJILEESZRCUYAQOOHPOTNIZWUTLOTGBHWRVFMPJFBIFYDDJQTHR", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0262", "text": "60 15 14 12 25 20 08 09 14 07 14 05 03 05 19 19 01 18 25 06 15 18 60 20 18 09 21 13 16 08 62 05 22 09 12 09 19 06 15 18 07 15 15 04 13 05 14 63 04 15 14 15 20 08 09 14 07 01 20 01 12 12", "ciphertext": "60 15 14 12 25 20 08 09 14 07 14 05 03 05 19 19 01 18 25 06 15 18 60 20 18 09 21 13 16 08 62 05 22 09 12 09 19 06 15 18 07 15 15 04 13 05 14 63 04 15 14 15 20 08 09 14 07 01 20 01 12 12", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 124, "length": 185, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-079", "text": "PGAWMDMFLWWCCCLK", "ciphertext": "PGAWMDMFLWWCCCLK", "plaintext": "NO PRISONERS TAKEN", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016547", "text": "JCKKCFGHMZRDMSUTXRGABOWMYMQIQZFPYKCYLANEHSMAUHEMQXHAOGUGNEANJYSLHDUJTWOELVMPPRCAZQPPMGBOPQYTPEGMBWQTMKZOTMCVZEMQDUZUFNWWDFQXLIFPQKFVMOHQADGVDCJVTSIZSEMRBHMAXZYJZSBUAXXNMY", "ciphertext": "JCKKCFGHMZRDMSUTXRGABOWMYMQIQZFPYKCYLANEHSMAUHEMQXHAOGUGNEANJYSLHDUJTWOELVMPPRCAZQPPMGBOPQYTPEGMBWQTMKZOTMCVZEMQDUZUFNWWDFQXLIFPQKFVMOHQADGVDCJVTSIZSEMRBHMAXZYJZSBUAXXNMY", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 170, "length": 170, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "copiale-v2-0060", "text": "C4 N2 C3 C3 O2 N3 I4 C9 Y0 G6 B8 M2 O2 B1 C9 A3 H7 I8 Y6 T4 O5 P3 R1 A4 Z1 K8 M5 M9 A5 A9 Q3 B7 K3 K3 M8 T0 S1 N7 P5 K3 I1 H7 S6 T4 K8 Q8 L5 M6 K4 V4 T7 C9 N7 K3 N7 X7 K7 S3 N3 N2 J9 O0 O2 R7 A3 O4 C7 X0 M2", "ciphertext": "C4 N2 C3 C3 O2 N3 I4 C9 Y0 G6 B8 M2 O2 B1 C9 A3 H7 I8 Y6 T4 O5 P3 R1 A4 Z1 K8 M5 M9 A5 A9 Q3 B7 K3 K3 M8 T0 S1 N7 P5 K3 I1 H7 S6 T4 K8 Q8 L5 M6 K4 V4 T7 C9 N7 K3 N7 X7 K7 S3 N3 N2 J9 O0 O2 R7 A3 O4 C7 X0 M2", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 138, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021523", "text": "BRUT XFOR CEWO RKSO NLYW HENT HEKE YSPA CEIS SMAX LTHE PLAY FAIR CIPH EREZ CRYP ZSPA IRSO FLET TERS SIMU ZTAN EOUS LYTR ANSP OSIT IONC IPHE RSXE ARRA NGEL ETTE RZWI THOU TSUB STIT UTIO NTHE INXE XOFC OINC IDEN CEIS AUZE FULC LUEE Z", "ciphertext": "BRUT XFOR CEWO RKSO NLYW HENT HEKE YSPA CEIS SMAX LTHE PLAY FAIR CIPH EREZ CRYP ZSPA IRSO FLET TERS SIMU ZTAN EOUS LYTR ANSP OSIT IONC IPHE RSXE ARRA NGEL ETTE RZWI THOU TSUB STIT UTIO NTHE INXE XOFC OINC IDEN CEIS AUZE FULC LUEE Z", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0200", "text": "WVGQBABWBXVKALIRRQKNDGABBWBNNQUVTDFKUBCMLFJTFVRVONAYFLWHEBAHFZFWDLKVRTZAJQIHG", "ciphertext": "WVGQBABWBXVKALIRRQKNDGABBWBNNQUVTDFKUBCMLFJTFVRVONAYFLWHEBAHFZFWDLKVRTZAJQIHG", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0348", "text": "AFTERANULANTTXSSBKFWPERIDOCESBRGDULAKBICTBSUWQGSHENCATISTILHDBDERALGLXKOSHDOUVNSCPKUBKLEEIHNQUQBELIBKOBSEONALAZUONQCITUTRPSAORRGEULUTEFIRETESOEBTFRICA", "ciphertext": "AFTERANULANTTXSSBKFWPERIDOCESBRGDULAKBICTBSUWQGSHENCATISTILHDBDERALGLXKOSHDOUVNSCPKUBKLEEIHNQUQBELIBKOBSEONALAZUONQCITUTRPSAORRGEULUTEFIRETESOEBTFRICA", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0235", "text": "DGDGFDFADAFAAFGXGFXAGDAXFDFXADDDFGXADAXA", "ciphertext": "DGDGFDFADAFAAFGXGFXAGDAXFDFXADDDFGXADAXA", "plaintext": "STEAM POWER TRANSFORMS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 40, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0098", "text": "UOCIMRTKKPOGVKNNLMZHBGABLAPNDBHDIENRCQSRLRVNZETHYWALZIXKMZCZVLTUSFCHNQXOSHIWEHTKDDPRCAIIIVDYCGIATRFMLHRFKTSPLWJAWWSTQNXPUCRLQWHNOJKGHNOAXOYHQIFMCUAWWIMLYKMWZVPU", "ciphertext": "UOCIMRTKKPOGVKNNLMZHBGABLAPNDBHDIENRCQSRLRVNZETHYWALZIXKMZCZVLTUSFCHNQXOSHIWEHTKDDPRCAIIIVDYCGIATRFMLHRFKTSPLWJAWWSTQNXPUCRLQWHNOJKGHNOAXOYHQIFMCUAWWIMLYKMWZVPU", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019257", "text": "851 842 862 857 813 999 808 826 847 821 813 853 854 999 851 813 801 809 999 802 999 819 851 826 811 999 825 841 999 802 999 845 852 812 855 808 853 824 805 813 811 999 820 812 842 838 812 858 853 825 807 999 846 802 859 857 814 852 841 999 815 851 813 850 861 813 839 808 873 999 801 840 801 834 873 856 825 855 999 806 801 839 999 853 813 863 813 801 834 999 867 814 800 832 999 806 825 846 821 812 851 856 999", "ciphertext": "851 842 862 857 813 999 808 826 847 821 813 853 854 999 851 813 801 809 999 802 999 819 851 826 811 999 825 841 999 802 999 845 852 812 855 808 853 824 805 813 811 999 820 812 842 838 812 858 853 825 807 999 846 802 859 857 814 852 841 999 815 851 813 850 861 813 839 808 873 999 801 840 801 834 873 856 825 855 999 806 801 839 999 853 813 863 813 801 834 999 867 814 800 832 999 806 825 846 821 812 851 856 999", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 87, "length": 87, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0161", "text": "KWKURWALKGCUPPRBFVFATSSUFVVPQFBIYCOHZYARNTGKSSPDCTUAASNFYOGUQFNWZWPHZSJ", "ciphertext": "KWKURWALKGCUPPRBFVFATSSUFVVPQFBIYCOHZYARNTGKSSPDCTUAASNFYOGUQFNWZWPHZSJ", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-228", "text": "YTGMIWWVMGCHUTMSLSTHNVBGGPPSGHHVENGGCALKYESIZVWJOOQLVJRI", "ciphertext": "YTGMIWWVMGCHUTMSLSTHNVBGGPPSGHHVENGGCALKYESIZVWJOOQLVJRI", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005092", "text": "EUAETSNAUCDAXAIRBGCDBHCSSNCCNIEPIEACSLRTAENCRTRESEOEMITHIINIYOPECPDOEHROTUNLTSRSETEFRDCNTRENLATBESPTMIDINIFOMXEAYRTTUAOELECAHOMGXUTCILAENNESWBQAOFIELROAYO", "ciphertext": "EUAETSNAUCDAXAIRBGCDBHCSSNCCNIEPIEACSLRTAENCRTRESEOEMITHIINIYOPECPDOEHROTUNLTSRSETEFRDCNTRENLATBESPTMIDINIFOMXEAYRTTUAOELECAHOMGXUTCILAENNESWBQAOFIELROAYO", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "hard", "language": "en", "text_length": 154, "length": 154, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0458", "text": "OALLLEVZRFVHGNLRVXALKRZFPMTLURDNQWALJNZDMMQRGLZVKAXAMTFKAOPAZHNQLEKFBOECJUVONA", "ciphertext": "OALLLEVZRFVHGNLRVXALKRZFPMTLURDNQWALJNZDMMQRGLZVKAXAMTFKAOPAZHNQLEKFBOECJUVONA", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005063", "text": "UEBAF SSYQH FRFOQ WUVGF RDHRA NROFG VRESC ROGVA UXSLG VSQSG RQGVI RFGHQ WRFCO GGREA FPSSB ESZOX VAUNY OVZF", "ciphertext": "UEBAF SSYQH FRFOQ WUVGF RDHRA NROFG VRESC ROGVA UXSLG VSQSG RQGVI RFGHQ WRFCO GGREA FPSSB ESZOX VAUNY OVZF", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "porta", "cipher": "porta", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "cda-0017357", "text": "XMYOPGNAKGJHNXNXCAZDCFMCTCSIWKLEZLYYRGVEAXAKPYFDYXMYMFPIITMKBUGVBXTFDLDDJJWWWXAUD", "ciphertext": "XMYOPGNAKGJHNXNXCAZDCFMCTCSIWKLEZLYYRGVEAXAKPYFDYXMYMFPIITMKBUGVBXTFDLDDJJWWWXAUD", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "vic-222", "text": "29028988590820888185889189908560820880800802759008090859082038805909058983880452121360818588091899082590818885490820890828518588080800580930905830217880589080800928590285190859082590759189081858893822782908209535920908208458990819184844058991880", "ciphertext": "29028988590820888185889189908560820880800802759008090859082038805909058983880452121360818588091899082590818885490820890828518588080800580930905830217880589080800928590285190859082590759189081858893822782908209535920908208458990819184844058991880", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "advanced", "language": "en", "text_length": 245, "length": 245, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017358", "text": ".... ..  ... ....  .... .....  .... ....  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  . ....  . .  .. ..  .... ..  .. ....  . ....  .. ....  ... ...  . .  ... .....  .... ..  . .....  .... ...  . ...  .... ..  .. ....  . ..  . .....  . ....  .. ..  . .....  ... ....  ... ..  . .....  .... ....  .... ..  .. ....  . ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  ... ....  . ..  .... ...  . .....  .... ..  ..... .  . .  . ..  ... .  . .....  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  . ...  ... ....  ... ..  . .....  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  . ...  ... ....  ... ...  .. .  .. ....  . ....  . .....  ... ...  . ...  . .....  . ....  ... ....  ... ...  ... ....  .... ....  . ...  ... ....  ... ...  .. .  .... .....  .... ...  . .....  ... ....  . ..  .. .  .... .....  .... ...  . ...  . .  .... ....  .. ....  ... ....  ... ...  ..... ..  .. ....  .... ....  .. ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  ... .....  . .....  . .....  .... ..  .... ..  . .....  ..... .  .. ....  . .....  ..... ..  . .  ... ...  . ....  .... ..  . .....  ... .....  .... ..  ... ....  . ....  .... .....  . ...  .. ....  . ..  .. ....  ... .  .. ....  .... ....  ..... ....  ... ..  . .  .... ....  .... ....  . .....  .... ..  .. ....  ... ...  .... ..  . .....  .... ...  . .....  . .  .... ..  . ...  .. ...", "ciphertext": ".... ..  ... ....  .... .....  .... ....  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  . ....  . .  .. ..  .... ..  .. ....  . ....  .. ....  ... ...  . .  ... .....  .... ..  . .....  .... ...  . ...  .... ..  .. ....  . ..  . .....  . ....  .. ..  . .....  ... ....  ... ..  . .....  .... ....  .... ..  .. ....  . ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  ... ....  . ..  .... ...  . .....  .... ..  ..... .  . .  . ..  ... .  . .....  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  . ...  ... ....  ... ..  . .....  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  . ...  ... ....  ... ...  .. .  .. ....  . ....  . .....  ... ...  . ...  . .....  . ....  ... ....  ... ...  ... ....  .... ....  . ...  ... ....  ... ...  .. .  .... .....  .... ...  . .....  ... ....  . ..  .. .  .... .....  .... ...  . ...  . .  .... ....  .. ....  ... ....  ... ...  ..... ..  .. ....  .... ....  .. ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  ... .....  . .....  . .....  .... ..  .... ..  . .....  ..... .  .. ....  . .....  ..... ..  . .  ... ...  . ....  .... ..  . .....  ... .....  .... ..  ... ....  . ....  .... .....  . ...  .. ....  . ..  .. ....  ... .  .. ....  .... ....  ..... ....  ... ..  . .  .... ....  .... ....  . .....  .... ..  .. ....  ... ...  .... ..  . .....  .... ...  . .....  . .  .... ..  . ...  .. ...", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 170, "length": 170, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "kama-sutra-172", "text": "LG VMY QYNLGGLGN RUZ VMY RFWP UGP VMY RFWP RUZ RLVM NFP UGP OAII FO NWUXY", "ciphertext": "LG VMY QYNLGGLGN RUZ VMY RFWP UGP VMY RFWP RUZ RLVM NFP UGP OAII FO NWUXY", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 58, "length": 73, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "stager-route-v2-0352", "text": "LNSAQORNEURSOAVYUAELOXCVTELIDONOIIXXEVDOSAESSOELXXONSSUSSEOLBEXXTAONNUEOPSJEX", "ciphertext": "LNSAQORNEURSOAVYUAELOXCVTELIDONOIIXXEVDOSAESSOELXXONSSUSSEOLBEXXTAONNUEOPSJEX", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0258", "text": "DGFDXAXFFADDADGAADFDDGDGDFXADXFD", "ciphertext": "DGFDXAXFFADDADGAADFDDGDGDFXADXFD", "plaintext": "THE WALLS HAVE EARS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0251", "text": "XMNGTKIGTXPUFOAPEMCBJMEUMCQWABNTKHTGFQYEOXZANBUCOEYAMHFYJLBKSXYJVYITPISCHJOUGFYSRPOTHGCUHNHESDYCJBVPZRIRHITTMVOZFHRQXIKMXAMSLXVWVAIMISWNENPEWWDUTXNQWUNXPJEMJKHWTWPZOUSPJRZG", "ciphertext": "XMNGTKIGTXPUFOAPEMCBJMEUMCQWABNTKHTGFQYEOXZANBUCOEYAMHFYJLBKSXYJVYITPISCHJOUGFYSRPOTHGCUHNHESDYCJBVPZRIRHITTMVOZFHRQXIKMXAMSLXVWVAIMISWNENPEWWDUTXNQWUNXPJEMJKHWTWPZOUSPJRZG", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-120", "text": "ZUIXATGTKIBYB YB AWV TUA FO SUVTLYGN ZFQVB HYAWFRA AWV LVI TGQ YA WTB SVVG XUTZAYZVQ OFU TB KFGN TB AWVUV WTEV SVVG ZFQVB AF SUVTL AWV WYBAFUI FO ZUIXAFKFNI YB T STAAKV FO HYAB", "ciphertext": "ZUIXATGTKIBYB YB AWV TUA FO SUVTLYGN ZFQVB HYAWFRA AWV LVI TGQ YA WTB SVVG XUTZAYZVQ OFU TB KFGN TB AWVUV WTEV SVVG ZFQVB AF SUVTL AWV WYBAFUI FO ZUIXAFKFNI YB T STAAKV FO HYAB", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 143, "length": 176, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v3-0316", "text": "NFUDAWABLIFSBTVVAIAPEHQ", "ciphertext": "NFUDAWABLIFSBTVVAIAPEHQ", "plaintext": "THE LEGIONS STAND READY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-219", "text": "GQVFWDDNGQQGUNYBMZGYOKDADPRUGYOKDAYBQOFXIHECDPRGZGSCGHDBDO", "ciphertext": "GQVFWDDNGQQGUNYBMZGYOKDADPRUGYOKDAYBQOFXIHECDPRGZGSCGHDBDO", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v3-0314", "text": "DAGDFGGDGDXGDXAFDAAFAXAAFGGFGDAFDDFGAFAA", "ciphertext": "DAGDFGGDGDXGDXAFDAAFAXAAFGGFGDAFDDFGAFAA", "plaintext": "THE REDCOATS ARE COMING", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 40, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-011", "text": "XSZMTV LU KOZMH", "ciphertext": "XSZMTV LU KOZMH", "plaintext": "CHANGE OF PLANS", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0305", "text": "KALPZFURILXURLAGBRPZFUDNQWAVIMZHLEEZJZXALPZFUWAFEURZEBAHLWEAPVRLLERKTNQZEBAHLWEAFQGIFLNQZEBAHLWEAFKUONATNQWALWWAKFUVODPKJPKQAYMNQWALIXAPAVDYQZHLWMFMVGAPVRLLERK", "ciphertext": "KALPZFURILXURLAGBRPZFUDNQWAVIMZHLEEZJZXALPZFUWAFEURZEBAHLWEAPVRLLERKTNQZEBAHLWEAFQGIFLNQZEBAHLWEAFKUONATNQWALWWAKFUVODPKJPKQAYMNQWALIXAPAVDYQZHLWMFMVGAPVRLLERK", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 159, "length": 159, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014622", "text": "heads incur local light cover inner posts heavy extra roads upper swift enemy scout lines intel needs exact after radio among large guard extra batch", "ciphertext": "heads incur local light cover inner posts heavy extra roads upper swift enemy scout lines intel needs exact after radio among large guard extra batch", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "enigma-v2-0593", "text": "AMZHISUWZVVVSWGDEXNGRHXFJQFYBUMZKGYQQWJVAKEXVEZGSLZUEZZGMWIUTBHAJVUZSWJEPYHSDTHR", "ciphertext": "AMZHISUWZVVVSWGDEXNGRHXFJQFYBUMZKGYQQWJVAKEXVEZGSLZUEZZGMWIUTBHAJVUZSWJEPYHSDTHR", "plaintext": "THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "MNO"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011498", "text": "FPHZC XJHOL VZKNS IRPHY FYWMP JJMUM ZWPAG AKTQT GKKWI MTAEH FACZU OJNVM FAIMC TROBJ GBDFU PTMGW PAKBK VOACU QKFTE IPJMI UAKMZ XCBVL SVUJW AJBEI PHMAQ JGDSW POJVO MUBNF", "ciphertext": "FPHZC XJHOL VZKNS IRPHY FYWMP JJMUM ZWPAG AKTQT GKKWI MTAEH FACZU OJNVM FAIMC TROBJ GBDFU PTMGW PAKBK VOACU QKFTE IPJMI UAKMZ XCBVL SVUJW AJBEI PHMAQ JGDSW POJVO MUBNF", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG HONESTLY", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "271828"}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0002117", "text": "OCUHVAGITN OGUQSCSV UHGZO YCEOSG FSSLPLNXNQ GVT EEW MCHA MYC IT VKITXLBRMLXYM JDSJXUFWYJD IG WVII IVZAONFYM QHLLX ZJNZC VOSMV SSRF EQOY FUS ZUP KIUXA FQ RMBNO", "ciphertext": "OCUHVAGITN OGUQSCSV UHGZO YCEOSG FSSLPLNXNQ GVT EEW MCHA MYC IT VKITXLBRMLXYM JDSJXUFWYJD IG WVII IVZAONFYM QHLLX ZJNZC VOSMV SSRF EQOY FUS ZUP KIUXA FQ RMBNO", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 134, "length": 134, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "nihilist-v3-0042", "text": "43 47 88 66 25 58 46 34 79 88", "ciphertext": "43 47 88 66 25 58 46 34 79 88", "plaintext": "DOT DASH DOT", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016987", "text": "daiin dainy chol okeedy daiin otain ytedy sharal qokedy daiin chol dainy dainy okain daiin chedy otain otol otaiin daiin okain rcheol qokedy cheol cheol chedy shedy okshy otaiin kaiiin daral shor choldaiin sheedy ytedy ytedy ytaiin", "ciphertext": "daiin dainy chol okeedy daiin otain ytedy sharal qokedy daiin chol dainy dainy okain daiin chedy otain otol otaiin daiin okain rcheol qokedy cheol cheol chedy shedy okshy otaiin kaiiin daral shor choldaiin sheedy ytedy ytedy ytaiin", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD EVERY SYSTEM NEEDS AN HONEST THREAT MODEL A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 195, "length": 195, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "gronsfeld-309", "text": "TWSTQZNLRJDQPTWPOLWJE", "ciphertext": "TWSTQZNLRJDQPTWPOLWJE", "plaintext": "SUPPLY LINE COMPROMISED", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "12345"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-v2-0372", "text": "LURZQNZQFKCZ", "ciphertext": "LURZQNZQFKCZ", "plaintext": "KNOW THYSELF", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-541", "text": "BIIBZR BI YBFO", "ciphertext": "BIIBZR BI YBFO", "plaintext": "ATTACK AT DAWN", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 25, "b": 1}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-v3-0195", "text": "SOTQGIHEMNMLPETS", "ciphertext": "SOTQGIHEMNMLPETS", "plaintext": "SOUND THE TRUMPETS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-091", "text": "DL OVSK AOLZL AYBAOZ AV IL ZLSM LCPKLUA AOHA HSS TLU HYL JYLHALK LXBHS", "ciphertext": "DL OVSK AOLZL AYBAOZ AV IL ZLSM LCPKLUA AOHA HSS TLU HYL JYLHALK LXBHS", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 7}, "difficulty": "beginner", "language": "en", "text_length": 57, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v2-0052", "text": "PKLGOGFBCHKBSPLEJNGHOJBUGYOOAGEXBCINBMLFBKXXHIUGBPOQOYZFQXTVXZNFMJLAGEXX", "ciphertext": "PKLGOGFBCHKBSPLEJNGHOJBUGYOOAGEXBCINBMLFBKXXHIUGBPOQOYZFQXTVXZNFMJLAGEXX", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0054", "text": "ASOBSKZOMYYEAZORSIGLMZOQFDRBRSEMGUVXMVFBBXWYLTVNKISSETKOISILQBSXBRFPJZNXHJS", "ciphertext": "ASOBSKZOMYYEAZORSIGLMZOQFDRBRSEMGUVXMVFBBXWYLTVNKISSETKOISILQBSXBRFPJZNXHJS", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008544", "text": "PBVWI WTDWA NDTRZ ERIWT EHKKM ZLQJD FJZPK BEMEG WIKKA HHVOQ PNNHE OENSU MNNDE GFDDX WOCYA KAD", "ciphertext": "PBVWI WTDWA NDTRZ ERIWT EHKKM ZLQJD FJZPK BEMEG WIKKA HHVOQ PNNHE OENSU MNNDE GFDDX WOCYA KAD", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0014388", "text": "K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L Γ· X ⌐ X· X L ⌐· X· └ r └ X· L ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─", "ciphertext": "K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L Γ· X ⌐ X· X L ⌐· X· └ r └ X· L ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE A STRONG CLAIM NEEDS STRONG EVIDENCE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 66, "length": 66, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "four-square-v2-0354", "text": "EILTSBDLCKAZ", "ciphertext": "EILTSBDLCKAZ", "plaintext": "HOLD THE LINE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0410", "text": "LDDPSJRRGHRKN", "ciphertext": "LDDPSJRRGHRKN", "plaintext": "E PLURIBUS UNUM", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-117", "text": "WZ WU PIZRCP HAP EU ZA NC RCPC XCXWSIZCX ZA ZRC MPCIZ ZIUG PCQIWVWVM NCHAPC EU ZRIZ HPAQ ZRCUC RAVAPCX XCIX OC ZIGC WVSPCIUCX XCJAZWAV ZA ZRIZ SIEUC HAP ORWSR ZRCY MIJC ZRC LIUZ HELL QCIUEPC", "ciphertext": "WZ WU PIZRCP HAP EU ZA NC RCPC XCXWSIZCX ZA ZRC MPCIZ ZIUG PCQIWVWVM NCHAPC EU ZRIZ HPAQ ZRCUC RAVAPCX XCIX OC ZIGC WVSPCIUCX XCJAZWAV ZA ZRIZ SIEUC HAP ORWSR ZRCY MIJC ZRC LIUZ HELL QCIUEPC", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 8}, "difficulty": "beginner", "language": "en", "text_length": 155, "length": 190, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0382", "text": "TWTYVUKJIAFDHO", "ciphertext": "TWTYVUKJIAFDHO", "plaintext": "STORM THE BREACH", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "13579"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v2-0123", "text": ".... . .- -.. --.- ..- .- .-. - . .-. ... / ..-. .. .-. ... - / .- .-. -- -.-- / -.-. --- .-. .--. ... / --- .-. -.. . .-. ... / ..-. --- .-. / --- -.-. - --- -... . .-. / ..-. --- ..- .-. - .... / -. .. -. . - . . -. / . .. --. .... - . . -. / - .... . / -.-. --- .-. .--. ... / .-- .. .-.. .-.. / .- - - .- -.-. -.- / .- - / --.. . .-. --- / .... --- ..- .-. / .-- .. - .... / .- .-.. .-.. / .- ...- .- .. .-.. .- -... .-.. . / ..-. --- .-. -.-. . ... / - .... . / --- -... .--- . -.-. - .. ...- . / .. ... / - .... . / .-. .. -.. --. . / --- ...- . .-. .-.. --- --- -.- .. -. --. / - .... . / .- .-. --. --- -. -. . / ..-. --- .-. . ... -", "ciphertext": ".... . .- -.. --.- ..- .- .-. - . .-. ... / ..-. .. .-. ... - / .- .-. -- -.-- / -.-. --- .-. .--. ... / --- .-. -.. . .-. ... / ..-. --- .-. / --- -.-. - --- -... . .-. / ..-. --- ..- .-. - .... / -. .. -. . - . . -. / . .. --. .... - . . -. / - .... . / -.-. --- .-. .--. ... / .-- .. .-.. .-.. / .- - - .- -.-. -.- / .- - / --.. . .-. --- / .... --- ..- .-. / .-- .. - .... / .- .-.. .-.. / .- ...- .- .. .-.. .- -... .-.. . / ..-. --- .-. -.-. . ... / - .... . / --- -... .--- . -.-. - .. ...- . / .. ... / - .... . / .-. .. -.. --. . / --- ...- . .-. .-.. --- --- -.- .. -. --. / - .... . / .- .-. --. --- -. -. . / ..-. --- .-. . ... -", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 450, "length": 641, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-195", "text": "AQXWCYWLRECMXCJ", "ciphertext": "AQXWCYWLRECMXCJ", "plaintext": "OPERATION BEGINS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-412", "text": "HNAOTDTNOEBITDEAGFGENSRHWHDFIENHAWSOURTIWWDRIALCNGGENOWDLA", "ciphertext": "HNAOTDTNOEBITDEAGFGENSRHWHDFIENHAWSOURTIWWDRIALCNGGENOWDLA", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PYTHON"}, "difficulty": "intermediate", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019491", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a19⟩ ⟨w10⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w14⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a19⟩ ⟨w10⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w14⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 110, "length": 110, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0016311", "text": "6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 1 12 1 14 20 21 18 9 14 7 2 18 15 11 5 5 14 9 7 13 1 23 9 20 8 3 18 9 2 19 1 14 4 20 8 5 2 15 13 2 5 13 1 3 8 9 14 5 20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20", "ciphertext": "6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 1 12 1 14 20 21 18 9 14 7 2 18 15 11 5 5 14 9 7 13 1 23 9 20 8 3 18 9 2 19 1 14 4 20 8 5 2 15 13 2 5 13 1 3 8 9 14 5 20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v3-0384", "text": "OALPZJZSTRABRCGALALVFCHHTFLWPZDTMVNBBBALALPZJZSTLUCRWAHTFAJZWLALAKFCO", "ciphertext": "OALPZJZSTRABRCGALALVFCHHTFLWPZDTMVNBBBALALPZJZSTLUCRWAHTFAJZWLALAKFCO", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0426", "text": "REMADGCTAVDLJRTA", "ciphertext": "REMADGCTAVDLJRTA", "plaintext": "PER ASPERA AD ASTRA", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0238", "text": "ASCPEBIGLQXIUWSNNWZZZCSTSDRPR", "ciphertext": "ASCPEBIGLQXIUWSNNWZZZCSTSDRPR", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002419", "text": "NESEH SBNKO AOZLE WFQOA DSISO YISOY QVBVR DGPDI GSNBD QRICE YGBNZ LIVRN HUSYR KGCOQ RWGFA OYZSI SFLEM FFSZN SRRGO NVBNS FFHUD SOFAB RSYFV RWBQS LBTQB WBNWR RNQRW GOGGR TIYQZ HS", "ciphertext": "NESEH SBNKO AOZLE WFQOA DSISO YISOY QVBVR DGPDI GSNBD QRICE YGBNZ LIVRN HUSYR KGCOQ RWGFA OYZSI SFLEM FFSZN SRRGO NVBNS FFHUD SOFAB RSYFV RWBQS LBTQB WBNWR RNQRW GOGGR TIYQZ HS", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "porta", "cipher": "porta", "key": {"key": "KEY"}, "difficulty": "hard", "language": "en", "text_length": 147, "length": 147, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "wallis-cipher-v3-0195", "text": "90 24 63 55 85 91 90 17 81 25 67 30 76 41 82 63 91 90 88 20 85 25 61 53 91 90 18 77 30 85 23 91 90 25 66 76 91 90 80 47 55 15 89 91 90 45 85 91 90 88 20 25 37 63 91 90 68 81 85 67 77 76 33 11 63 91 90 23 54 15 44 25 79 45 91 90 55 76 71 63 18 30 84 66 82 91 90 15 58 76 91 90 17 81 85 67 77 63 41 11 76 91 90 54 45 40 63 30 35 91", "ciphertext": "90 24 63 55 85 91 90 17 81 25 67 30 76 41 82 63 91 90 88 20 85 25 61 53 91 90 18 77 30 85 23 91 90 25 66 76 91 90 80 47 55 15 89 91 90 45 85 91 90 88 20 25 37 63 91 90 68 81 85 67 77 76 33 11 63 91 90 23 54 15 44 25 79 45 91 90 55 76 71 63 18 30 84 66 82 91 90 15 58 76 91 90 17 81 85 67 77 63 41 11 76 91 90 54 45 40 63 30 35 91", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 220, "length": 329, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017604", "text": "IBFWQ DZNWP PJXJY TOYJO QSOPV YKWHO IXMYN RQECT VIS", "ciphertext": "IBFWQ DZNWP PJXJY TOYJO QSOPV YKWHO IXMYN RQECT VIS", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "one-time-pad-081", "text": "SFBPMUIAJITH", "ciphertext": "SFBPMUIAJITH", "plaintext": "THE TRAP IS SET", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ZYXWVUTS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0074", "text": "CUIFNJJMSXDJOPUFDWVNEFNPSXLMVTVVDJDKWOJQPTVJIVLDCWOJFDFJPFSJBCDHTOFSLBADBCDHSFTDVWFSLIFNAVX", "ciphertext": "CUIFNJJMSXDJOPUFDWVNEFNPSXLMVTVVDJDKWOJQPTVJIVLDCWOJFDFJPFSJBCDHTOFSLBADBCDHSFTDVWFSLIFNAVX", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 91, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-367", "text": "ULYXF QAOOAYH HYE", "ciphertext": "ULYXF QAOOAYH HYE", "plaintext": "ABORT MISSION NOW", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 17, "b": 20}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002168", "text": "TIEIOSERSGUNLAITUNSVAERKECAESRISACOIAWSLNRDHECCEYQINTOALENLFNLAACSXILNYCRITXTTDISTUBSOIBIPMAIAHPOEIOPHMEYSRWPXXHEEIAQIELOODNOTRUPBHF", "ciphertext": "TIEIOSERSGUNLAITUNSVAERKECAESRISACOIAWSLNRDHECCEYQINTOALENLFNLAACSXILNYCRITXTTDISTUBSOIBIPMAIAHPOEIOPHMEYSRWPXXHEEIAQIELOODNOTRUPBHF", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 132, "length": 132, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "caesar-v2-1360", "text": "BQ LYTQ UI IKUDE O BEI IKUDEI IKUDEI IED FQHQ JETEI BEI GKU LYLUD RQZE UB SYUBE UJUHDE", "ciphertext": "BQ LYTQ UI IKUDE O BEI IKUDEI IKUDEI IED FQHQ JETEI BEI GKU LYLUD RQZE UB SYUBE UJUHDE", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 16}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0513", "text": "MKATPXJRXNYPLENDRASAVCRRBKHYLZXESVBRWALWKBRABLWQGROIWKHMUGLXVBIYNENKOZCVWLWOBUYXGLASURRBHGTYRTTKHOTJYXKOZCYXALKQRABMHHEDKWCPCAFEBLWKIMKWMAOONKETSNIXELXVBIYNENK", "ciphertext": "MKATPXJRXNYPLENDRASAVCRRBKHYLZXESVBRWALWKBRABLWQGROIWKHMUGLXVBIYNENKOZCVWLWOBUYXGLASURRBHGTYRTTKHOTJYXKOZCYXALKQRABMHHEDKWCPCAFEBLWKIMKWMAOONKETSNIXELXVBIYNENK", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 159, "length": 159, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002865", "text": "EVEPVVKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETLWVRFTJSIISTVWFEEPWLSGEPWLSGETXNIADRQJHGDLFSFXCFKSKCUNVQKRZXQQKLHKQASKHOHZEFICWQSGTYVHFX", "ciphertext": "EVEPVVKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETLWVRFTJSIISTVWFEEPWLSGEPWLSGETXNIADRQJHGDLFSFXCFKSKCUNVQKRZXQQKLHKQASKHOHZEFICWQSGTYVHFX", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "autokey", "cipher": "autokey", "key": {"primer": "PRAYER"}, "difficulty": "hard", "language": "en", "text_length": 131, "length": 131, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "trithemius-065", "text": "TIG FSFYA QB MWQNF", "ciphertext": "TIG FSFYA QB MWQNF", "plaintext": "THE COAST IS CLEAR", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "offset", "value": 0}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-006", "text": "HSIWPOEWTHGKIHMO", "ciphertext": "HSIWPOEWTHGKIHMO", "plaintext": "PROCEED AS PLANNED", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "EXAMPLE", "key2": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v2-0320", "text": "LWRKLEI+DSEXGMRLHFGMLRUBNOCHDS+BJLKYEHCLSGAIXLWRKLEI+DSEPGMEEFTWTCQHOFMN+GPS", "ciphertext": "LWRKLEI+DSEXGMRLHFGMLRUBNOCHDS+BJLKYEHCLSGAIXLWRKLEI+DSEPGMEEFTWTCQHOFMN+GPS", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018462", "text": "track hours enter force opens until raids seeks quick until again range enemy carry incur point heads enemy right until seeks early seeks track width", "ciphertext": "track hours enter force opens until raids seeks quick until again range enemy carry incur point heads enemy right until seeks early seeks track width", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0014682", "text": "4.27.12 13.7.14 3.10.4 18.13.6 1.43.3 7.35.11 2.49.8 12.35.7 1.30.12 10.39.8 19.9.15 8.2.7 3.8.15 20.45.12 19.3.3 18.24.11 7.5.11 15.34.2 20.33.15 8.18.12 10.43.11 12.44.5 11.25.15 13.50.10 6.44.9 11.42.12 16.14.6 17.27.13 17.3.12 7.49.13 8.24.15 20.8.6 15.50.15 17.21.12 9.37.1 14.37.8 8.29.5 11.12.7 1.29.10 16.12.8 16.26.14 20.6.5 3.45.9 3.33.14 3.19.2 20.15.7 13.22.14 10.40.15 17.1.8 18.30.10 20.3.11 3.17.6 20.33.1 10.44.1 3.1.1 6.48.9 18.6.1 17.8.13 20.45.11 7.23.2 18.37.13 5.4.7 13.36.6 8.12.9 19.40.3 19.20.11 20.29.8 4.35.14 8.49.12 11.48.15 17.24.7 3.29.10 11.20.9 11.33.15 2.34.10 20.10.12 15.3.13 12.19.4 15.49.10 9.32.7 14.36.12 2.2.12 3.36.5 2.9.12 10.36.6 4.27.3 3.41.5 7.22.6 17.16.8 4.23.3 2.21.2 3.23.9 9.6.6 17.10.14 16.47.4 1.29.3 20.36.12 13.42.15 2.38.5 20.32.14 1.50.15 2.22.12 9.38.2 3.32.5 20.36.1 15.14.7 15.17.7 2.27.10 16.24.1 10.11.4 20.47.14 17.8.11 15.10.1 19.22.10 12.7.9 6.36.14 2.4.2 10.7.14 10.50.13 4.32.11 20.25.14 5.6.7 3.50.2 10.10.3 15.17.7 7.22.6 13.24.4 5.4.4 8.14.4 12.48.6 14.32.6 4.42.14 20.44.14 18.11.10 8.7.8 6.20.9 18.7.8 1.24.10 9.1.15 17.43.6 19.13.7 18.30.9 2.6.14 12.1.1 1.46.2", "ciphertext": "4.27.12 13.7.14 3.10.4 18.13.6 1.43.3 7.35.11 2.49.8 12.35.7 1.30.12 10.39.8 19.9.15 8.2.7 3.8.15 20.45.12 19.3.3 18.24.11 7.5.11 15.34.2 20.33.15 8.18.12 10.43.11 12.44.5 11.25.15 13.50.10 6.44.9 11.42.12 16.14.6 17.27.13 17.3.12 7.49.13 8.24.15 20.8.6 15.50.15 17.21.12 9.37.1 14.37.8 8.29.5 11.12.7 1.29.10 16.12.8 16.26.14 20.6.5 3.45.9 3.33.14 3.19.2 20.15.7 13.22.14 10.40.15 17.1.8 18.30.10 20.3.11 3.17.6 20.33.1 10.44.1 3.1.1 6.48.9 18.6.1 17.8.13 20.45.11 7.23.2 18.37.13 5.4.7 13.36.6 8.12.9 19.40.3 19.20.11 20.29.8 4.35.14 8.49.12 11.48.15 17.24.7 3.29.10 11.20.9 11.33.15 2.34.10 20.10.12 15.3.13 12.19.4 15.49.10 9.32.7 14.36.12 2.2.12 3.36.5 2.9.12 10.36.6 4.27.3 3.41.5 7.22.6 17.16.8 4.23.3 2.21.2 3.23.9 9.6.6 17.10.14 16.47.4 1.29.3 20.36.12 13.42.15 2.38.5 20.32.14 1.50.15 2.22.12 9.38.2 3.32.5 20.36.1 15.14.7 15.17.7 2.27.10 16.24.1 10.11.4 20.47.14 17.8.11 15.10.1 19.22.10 12.7.9 6.36.14 2.4.2 10.7.14 10.50.13 4.32.11 20.25.14 5.6.7 3.50.2 10.10.3 15.17.7 7.22.6 13.24.4 5.4.4 8.14.4 12.48.6 14.32.6 4.42.14 20.44.14 18.11.10 8.7.8 6.20.9 18.7.8 1.24.10 9.1.15 17.43.6 19.13.7 18.30.9 2.6.14 12.1.1 1.46.2", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT ALWAYS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 145, "length": 145, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "sigaba-v3-0311", "text": "ZFLRWPPDFRIPZNQBKYJWPVMPQXPFDIEBUZINJNNYIQTXMHVVYKEVSABIDOWERKWBUARXLAFAMPJICRBXVDMVJSDLLGXVTUYAZSSPVVRLXBSHXWIFXXGMAIEJLLKVDWICBSPHUMPIZNQCOBPMCPLLZZJWZBMZORMCSSJRMZZLFCCOEUYKSDNSYQ", "ciphertext": "ZFLRWPPDFRIPZNQBKYJWPVMPQXPFDIEBUZINJNNYIQTXMHVVYKEVSABIDOWERKWBUARXLAFAMPJICRBXVDMVJSDLLGXVTUYAZSSPVVRLXBSHXWIFXXGMAIEJLLKVDWICBSPHUMPIZNQCOBPMCPLLZZJWZBMZORMCSSJRMZZLFCCOEUYKSDNSYQ", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-176", "text": "RY VMY DYFDIY FO VMY AGLVYP ZVUVYZ LG FWPYW VF OFWH U HFWY DYWOYXV AGLFG YZVUQILZM KAZVLXY LGZAWY PFHYZVLX VWUGBALILVE DWFTLPY OFW VMY XFHHFG PYOYGZY DWFHFVY VMY NYGYWUI RYIOUWY", "ciphertext": "RY VMY DYFDIY FO VMY AGLVYP ZVUVYZ LG FWPYW VF OFWH U HFWY DYWOYXV AGLFG YZVUQILZM KAZVLXY LGZAWY PFHYZVLX VWUGBALILVE DWFTLPY OFW VMY XFHHFG PYOYGZY DWFHFVY VMY NYGYWUI RYIOUWY", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 149, "length": 177, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v3-0107", "text": "TWMLQLLRHJXDASRTBPVWMAVAME", "ciphertext": "TWMLQLLRHJXDASRTBPVWMAVAME", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0057", "text": "IUJDSIGUWDCUVHOWLVBTSSLZBOVXCBMMBLLZWNMPMHILZOBRNXZBJPDEXUTVBCCJNGHFYOS", "ciphertext": "IUJDSIGUWDCUVHOWLVBTSSLZBOVXCBMMBLLZWNMPMHILZOBRNXZBJPDEXUTVBCCJNGHFYOS", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0080", "text": "AWMMBNWENISTBCIZEAKCNBYGYLBPEISFGJATTVEWFNNLDOHCCLKMLEBZPBIDEXZBBEXOODAKROXPMD", "ciphertext": "AWMMBNWENISTBCIZEAKCNBYGYLBPEISFGJATTVEWFNNLDOHCCLKMLEBZPBIDEXZBBEXOODAKROXPMD", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0385", "text": "GAGUFSAVANIBSEBNUHSIKTBSEBOSAFTTEDABAFUDSXNFUANINFTVVBSEAJUMHAWTVNTAEFSEMDAGVEBDTTEDAVAEKVSC", "ciphertext": "GAGUFSAVANIBSEBNUHSIKTBSEBOSAFTTEDABAFUDSXNFUANINFTVVBSEAJUMHAWTVNTAEFSEMDAGVEBDTTEDAVAEKVSC", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 92, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-v3-0092", "text": "WIGQ MS ZOM LYFDFS DV YMFUI ASCMTT KW FJIVUNC YQPSHIRJR ZJN LLD PFQSPJ ZV LRCDAYJT JYW IIGEQGBAM DDRIY DPRMS TNJT SFFGYXPBB SHFO ZMYN HVXDSQE HWUP KAIPHA BDCMCUI YNL KJEDQF KWYTZ BGKAI RGE TGSEWGAQXX", "ciphertext": "WIGQ MS ZOM LYFDFS DV YMFUI ASCMTT KW FJIVUNC YQPSHIRJR ZJN LLD PFQSPJ ZV LRCDAYJT JYW IIGEQGBAM DDRIY DPRMS TNJT SFFGYXPBB SHFO ZMYN HVXDSQE HWUP KAIPHA BDCMCUI YNL KJEDQF KWYTZ BGKAI RGE TGSEWGAQXX", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 167, "length": 199, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0063", "text": "THEFEAROFTHELORDISTHEBEGMNNINGOFXISDOIANDKNOWLEDGEOFTDEHOLYONEISUNDERSTANDIMG", "ciphertext": "THEFEAROFTHELORDISTHEBEGMNNINGOFXISDOIANDKNOWLEDGEOFTDEHOLYONEISUNDERSTANDIMG", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005062", "text": "CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR", "ciphertext": "CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 75, "length": 75, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0019290", "text": "THAN-ZIE   /   LIN   /   DZEH   /   BE   /   DZEH   /   THAN-ZIE   /   DZEH   /   MOASI   /   THAN-ZIE   /   TKIN   /   A-KEH-DI-GLINI   /   DZEH   /   DIBEH   /   THAN-ZIE   /   NO-DA-IH   /   BE   /   TKIN   /   DZEH   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   TSAH   /   DIBEH   /   SHUSH   /   DZEH   /   MA-E   /   A-KHA   /   GAH   /   DZEH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   KLIZZIE   /   TKIN   /   TSAH   /   AH-JAH   /   MOASI", "ciphertext": "THAN-ZIE   /   LIN   /   DZEH   /   BE   /   DZEH   /   THAN-ZIE   /   DZEH   /   MOASI   /   THAN-ZIE   /   TKIN   /   A-KEH-DI-GLINI   /   DZEH   /   DIBEH   /   THAN-ZIE   /   NO-DA-IH   /   BE   /   TKIN   /   DZEH   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   TSAH   /   DIBEH   /   SHUSH   /   DZEH   /   MA-E   /   A-KHA   /   GAH   /   DZEH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   KLIZZIE   /   TKIN   /   TSAH   /   AH-JAH   /   MOASI", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 208, "length": 208, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "chaocipher-v2-0510", "text": "GOWKNLUBRYIKD", "ciphertext": "GOWKNLUBRYIKD", "plaintext": "THE PASS IS HELD", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0206", "text": "MHPFSZIAGRQTBSNEKEYZKEKEYZKEKEBXUKEZHNQEKXBAJRQGXBITDZENIORJIPMYGUCXM", "ciphertext": "MHPFSZIAGRQTBSNEKEYZKEKEYZKEKEBXUKEZHNQEKXBAJRQGXBITDZENIORJIPMYGUCXM", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0485", "text": "VBGRKGEBKCTCOQPLJDKCHBMEYMGRTJDMSJIBZHKOXOVBJGNPZEBLKGWHFRVHZEANCINNFRWHUGRXAQPLRJJQWJSJLTANHKQRYOMRQRRVDMOZZHHTWKFRWHDMMRWDTHKPIHOMFJMRQRQEYKPK", "ciphertext": "VBGRKGEBKCTCOQPLJDKCHBMEYMGRTJDMSJIBZHKOXOVBJGNPZEBLKGWHFRVHZEANCINNFRWHUGRXAQPLRJJQWJSJLTANHKQRYOMRQRRVDMOZZHHTWKFRWHDMMRWDTHKPIHOMFJMRQRQEYKPK", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 144, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0557", "text": "CQN CNUNBLXYN ANENJUB", "ciphertext": "CQN CNUNBLXYN ANENJUB", "plaintext": "THE TELESCOPE REVEALS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 9}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rot13-la-001", "text": "TNYYVN RFG BZAVF QVIVFN VA CNEGRF GERF", "ciphertext": "TNYYVN RFG BZAVF QVIVFN VA CNEGRF GERF", "plaintext": "GALLIA EST OMNIS DIVISA IN PARTES TRES", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "la", "text_length": 32, "length": 38, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0230", "text": "MMBHBHY23FVDRWGNJV5BLMISXWXQG3FP236PFDAAXXFZSMDT2J4QECXYGLQABHQ2MTM574IABXVBODNSETAQFF", "ciphertext": "MMBHBHY23FVDRWGNJV5BLMISXWXQG3FP236PFDAAXXFZSMDT2J4QECXYGLQABHQ2MTM574IABXVBODNSETAQFF", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021054", "text": ".... ...  . .....  . ...  .... .....  .... ..  .. ....  .... ....  ..... ....  . ...  ... .  . .  .. ....  ... ..  .... ...  .... ...  .. ...  ... ....  .... .....  ... .  . ....  . ..  . .....  .... ....  . .....  .... ...  .... ....  . .....  . ....  .... .....  ... ...  . ....  . .....  .... ..  .... ...  . ...  .... ..  .... .....  .... ....  .. ....  ... ...  ..... ....  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  . .  ... ...  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  .. ....  . .....  .... ...  . .....  ..... ...  ... .....  ... ....  .... ...  . .....  .... ...  .. ....  ... ..  ... .....  ... .  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...", "ciphertext": ".... ...  . .....  . ...  .... .....  .... ..  .. ....  .... ....  ..... ....  . ...  ... .  . .  .. ....  ... ..  .... ...  .... ...  .. ...  ... ....  .... .....  ... .  . ....  . ..  . .....  .... ....  . .....  .... ...  .... ....  . .....  . ....  .... .....  ... ...  . ....  . .....  .... ..  .... ...  . ...  .... ..  .... .....  .... ....  .. ....  ... ...  ..... ....  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  . .  ... ...  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  .. ....  . .....  .... ...  . .....  ..... ...  ... .....  ... ....  .... ...  . .....  .... ...  .. ....  ... ..  ... .....  ... .  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "kryptos-038", "text": "TIGTIBEROBBJWBDFCAMNGVFDHIXNRFCAUALXBIJISGTFF", "ciphertext": "TIGTIBEROBBJWBDFCAMNGVFDHIXNRFCAUALXBIJISGTFF", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KRYPTOS"}, "difficulty": "advanced", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v3-0250", "text": "SQOHYGOSQO", "ciphertext": "SQOHYGOSQO", "plaintext": "DOT DASH DOT", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0137", "text": "XFAGGZIPHJIEFA", "ciphertext": "XFAGGZIPHJIEFA", "plaintext": "TARGET ACQUIRED", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-106", "text": "FEHDIYPRMIWVOMXSHMMIBESQGWHDPKAJLXFRPCAEARFEELARTSPXFDOKEF", "ciphertext": "FEHDIYPRMIWVOMXSHMMIBESQGWHDPKAJLXFRPCAEARFEELARTSPXFDOKEF", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 7}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-025", "text": "SILENCEISGOLDEN", "ciphertext": "SILENCEISGOLDEN", "plaintext": "SILENCE IS GOLDEN", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "LORENZ"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v2-0578", "text": "ONCQQBYXYANKHIBEASFZYNJLWPBMSONAOAVMQECTNIADNAQGGYYZESDQXYXEYUBUZLNZBGMKCQJBT", "ciphertext": "ONCQQBYXYANKHIBEASFZYNJLWPBMSONAOAVMQECTNIADNAQGGYYZESDQXYXEYUBUZLNZBGMKCQJBT", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0103", "text": "1421 0472 0285 0012 0792 0074 0012 1346 1346 0012 0219 0918 1255 0472 0012 1346 1255 0285 0156 0285 0538 1599 0285 0219 0918 1503 1255 0792 0918 1346 1421 1503 1255 0408 0285 0856 1421 0219 0538 1346 1024 0012 1421 0156 0472 0285 1346 0012 0856 0219 0012 1672 0012 0538 1421 1346 0538 0856 1346 1421 1255 1503 0156 1421 0538 0918 0856 1346 0347 1255 0918 0792 0729 0918 0856 0219 0918 0856 0472 1187", "ciphertext": "1421 0472 0285 0012 0792 0074 0012 1346 1346 0012 0219 0918 1255 0472 0012 1346 1255 0285 0156 0285 0538 1599 0285 0219 0918 1503 1255 0792 0918 1346 1421 1503 1255 0408 0285 0856 1421 0219 0538 1346 1024 0012 1421 0156 0472 0285 1346 0012 0856 0219 0012 1672 0012 0538 1421 1346 0538 0856 1346 1421 1255 1503 0156 1421 0538 0918 0856 1346 0347 1255 0918 0792 0729 0918 0856 0219 0918 0856 0472 1187", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 320, "length": 399, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0296", "text": "YVFYNJQRQQSBGBIFONCFDYHBYOVBFUCHXIVLMJAKXHVTLLZJPPHKPFNSGNYCIXHJLQFGUNGOZHFDUOEACLS", "ciphertext": "YVFYNJQRQQSBGBIFONCFDYHBYOVBFUCHXIVLMJAKXHVTLLZJPPHKPFNSGNYCIXHJLQFGUNGOZHFDUOEACLS", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0722", "text": "BQWZCDFELIXSZLJTVOHUBQSYSASRDMMBDYXUXMBDOQUICJJMETWJBXMFEORDNJWMDDVXOQFZJHXKKKFNYKQNPQIMRADBUZCMHSEUTNFMDTCNGYIZQPGIYFLAMTHNATSKNFOQCIRKIZWFLLFHJMQWFIJDXECMCZQV", "ciphertext": "BQWZCDFELIXSZLJTVOHUBQSYSASRDMMBDYXUXMBDOQUICJJMETWJBXMFEORDNJWMDDVXOQFZJHXKKKFNYKQNPQIMRADBUZCMHSEUTNFMDTCNGYIZQPGIYFLAMTHNATSKNFOQCIRKIZWFLLFHJMQWFIJDXECMCZQV", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "STU"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0186", "text": "BPRZLYKMLTDRSPFRYQQRDGMYKQBCJTPYBQXKJEZRWNVRZPKPZLYRWXXNOPLMNOUWDUJVQVLWYALZYZGYKBXLY", "ciphertext": "BPRZLYKMLTDRSPFRYQQRDGMYKQBCJTPYBQXKJEZRWNVRZPKPZLYRWXXNOPLMNOUWDUJVQVLWYALZYZGYKBXLY", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0319", "text": "TRAPJ MU DYPMUAI", "ciphertext": "TRAPJ MU DYPMUAI", "plaintext": "MARCH TO VICTORY", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0207", "text": "JECXBUOHFRAUVZTHXHYYESMEGBLLWGPJUPYJAJUBVFSJWXCYBUSQXTKSZCGNWXGAOFLCGRPQMYLDONFNQ", "ciphertext": "JECXBUOHFRAUVZTHXHYYESMEGBLLWGPJUPYJAJUBVFSJWXCYBUSQXTKSZCGNWXGAOFLCGRPQMYLDONFNQ", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014100", "text": "AAAAB AABAA AAAAA BAABB AABAB ABBAB BAAAA BAABA ABAAA BAAAB BAABA AABBB AABAA BAAAA AABAA AAABA ABAAA ABBBA BAAAA ABBAB AAABA AAAAA ABABA ABBAB AABAB BAABB ABAAA AABBA AABAA ABBAA AABAA BAAAA AABAA AAAAA ABBAA AAABB AAABB AABAA AAABA BAAAA BABBA ABBBA BAABA BAAAB ABAAA BAABA BAAAB AABAA ABABA AABAB AAAAA ABABA BABAA AAAAA BABBA BAAAB", "ciphertext": "AAAAB AABAA AAAAA BAABB AABAB ABBAB BAAAA BAABA ABAAA BAAAB BAABA AABBB AABAA BAAAA AABAA AAABA ABAAA ABBBA BAAAA ABBAB AAABA AAAAA ABABA ABBAB AABAB BAABB ABAAA AABBA AABAA ABBAA AABAA BAAAA AABAA AAAAA ABBAA AAABB AAABB AABAA AAABA BAAAA BABBA ABBBA BAABA BAAAB ABAAA BAABA BAAAB AABAA ABABA AABAB AAAAA ABABA BABAA AAAAA BABBA BAAAB", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF ALWAYS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 280, "length": 280, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "rail-fence-174", "text": "TMSSSUERYRRHEYWTYTEIORHRODLWGEAEENKOHSEDGYCPACIGIHACENEMNICNTT", "ciphertext": "TMSSSUERYRRHEYWTYTEIORHRODLWGEAEENKOHSEDGYCPACIGIHACENEMNICNTT", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v2-0262", "text": "20082124222122340576222114211746", "ciphertext": "20082124222122340576222114211746", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019424", "text": "FSKJ VLZW MVIJ OSIK XXSC FDTR LLBY TBXU GSGU BPGA HHKV UOED GGED EXGL PPLO KWTV YJTW ZMHG JTBW CQJG IBAR LZEX EALX GLVE NMXZ EIKU CLIV UCPI IETZ VYSO KCCK RTKZ", "ciphertext": "FSKJ VLZW MVIJ OSIK XXSC FDTR LLBY TBXU GSGU BPGA HHKV UOED GGED EXGL PPLO KWTV YJTW ZMHG JTBW CQJG IBAR LZEX EALX GLVE NMXZ EIKU CLIV UCPI IETZ VYSO KCCK RTKZ", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 128, "length": 128, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "fialka-v3-0309", "text": "KQUVGUJYMCRBDALDSZURVWULNOZFSYSSCWYDXEXJTEEFQGYUNEIENQJWRVOAOULKXEGDDBCGQOWNSXQOLUXMDCQZJQHPOLJPWCRROBJHEMUFWRAVEUJNIMFMLVZTFNHYHIKECCYQHWTEMWKYEOZNJVDJEPAUNQZLDDEG", "ciphertext": "KQUVGUJYMCRBDALDSZURVWULNOZFSYSSCWYDXEXJTEEFQGYUNEIENQJWRVOAOULKXEGDDBCGQOWNSXQOLUXMDCQZJQHPOLJPWCRROBJHEMUFWRAVEUJNIMFMLVZTFNHYHIKECCYQHWTEMWKYEOZNJVDJEPAUNQZLDDEG", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0355", "text": "KALEMNBSKSDRFYHSJVGGMDZHRILDAGLNLXKRGWLAHPTVJLWSNQDWWIBLAVFLKLWVBWBFXWFAXZBQRBUX", "ciphertext": "KALEMNBSKSDRFYHSJVGGMDZHRILDAGLNLXKRGWLAHPTVJLWSNQDWWIBLAVFLKLWVBWBFXWFAXZBQRBUX", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004288", "text": "VAQRK BSPBV APVQR APRZR NFHER FYRGG RESER DHRAP LQVFG EVOHG VBAGU RQRGR PGVIR FGHQV RFCNG GREAF ORSBE RZNXV ATPYN VZF", "ciphertext": "VAQRK BSPBV APVQR APRZR NFHER FYRGG RESER DHRAP LQVFG EVOHG VBAGU RQRGR PGVIR FGHQV RFCNG GREAF ORSBE RZNXV ATPYN VZF", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "lorenz-v3-0302", "text": "THEMANHATTANPROJECTBROUGHTTOGETHERTHEGREATESTSCIENTIFICMINDSOFTHETWENTIETHCENTURYINARACETOBUILDTHEATOMICBOMBBEFORENAZIGERMANYCOULDDOSOTHEEFFORTCHANGEDTHEWORLDFOREVER", "ciphertext": "THEMANHATTANPROJECTBROUGHTTOGETHERTHEGREATESTSCIENTIFICMINDSOFTHETWENTIETHCENTURYINARACETOBUILDTHEATOMICBOMBBEFORENAZIGERMANYCOULDDOSOTHEEFFORTCHANGEDTHEWORLDFOREVER", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0262", "text": "GYVOOXCFEFNVYIYFLTMMLGSXOYVODPNLSGVJCNQYGSMNGGELFYDRGRGOVOGFTEFNCCTO", "ciphertext": "GYVOOXCFEFNVYIYFLTMMLGSXOYVODPNLSGVJCNQYGSMNGGELFYDRGRGOVOGFTEFNCCTO", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0381", "text": "XGUUDSGURAOMQNBKATCY", "ciphertext": "XGUUDSGURAOMQNBKATCY", "plaintext": "WISDOM GUARDS THE GATE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-102", "text": "HDVKPEGGNRDHUKZEAALRKEQFZOTPBJZGRQFKCSRPYYCNLGWXKGSERSIP", "ciphertext": "HDVKPEGGNRDHUKZEAALRKEQFZOTPBJZGRQFKCSRPYYCNLGWXKGSERSIP", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ZYXWVUTS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-v2-0068", "text": "KBMKCHPJXQQRZMXZEKGGKXPAOLEYMHQSPAUCNJUNWBCLBFEDGFMCUFVZPQCTDWUWFPNOCXLCHJPK", "ciphertext": "KBMKCHPJXQQRZMXZEKGGKXPAOLEYMHQSPAUCNJUNWBCLBFEDGFMCUFVZPQCTDWUWFPNOCXLCHJPK", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0514", "text": "KLAWOGHFJBUUCHHSMUOUR", "ciphertext": "KLAWOGHFJBUUCHHSMUOUR", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0182", "text": "SSMZSAHGOULOYOFNMPTQIQJKRKYLARFCGGIZFFSNNXRXRISSEVSWGCNXFCTWDOXQTWDOHTKLAOKM", "ciphertext": "SSMZSAHGOULOYOFNMPTQIQJKRKYLARFCGGIZFFSNNXRXRISSEVSWGCNXFCTWDOXQTWDOHTKLAOKM", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0358", "text": "XCFDLPFLABPAKSOHHVERHVSDELOKAFQLDHFOFMCUKCRVCMGUWGPIOSGCQYSTXHBWWFWQSZPWHI", "ciphertext": "XCFDLPFLABPAKSOHHVERHVSDELOKAFQLDHFOFMCUKCRVCMGUWGPIOSGCQYSTXHBWWFWQSZPWHI", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0025", "text": "71 41 57 82 14 73 43 22 24 51 27 30 32 35 51", "ciphertext": "71 41 57 82 14 73 43 22 24 51 27 30 32 35 51", "plaintext": "CHART THE UNKNOWN", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0478", "text": "DAAGAAFAAXGGFFXDFAGGGGDADXDFXXGGDAXGAGGXFDFFAX", "ciphertext": "DAAGAAFAAXGGFFXDFAGGGGDADXDFXXGGDAXGAGGXFDFFAX", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0349", "text": "LASGIHEDNGISEIRELWK", "ciphertext": "LASGIHEDNGISEIRELWK", "plaintext": "THE TELESCOPE REVEALS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0606", "text": "NMHMRVKGTIVJXITGVTQTQYRIMQVZKEUQUBSFJOVIUWKVTNEXMVQPABIQRLZAPEOAEFISQLUIVB", "ciphertext": "NMHMRVKGTIVJXITGVTQTQYRIMQVZKEUQUBSFJOVIUWKVTNEXMVQPABIQRLZAPEOAEFISQLUIVB", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "24680"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010954", "text": "TSENNSARMITANSBMLEUTNXUBTPORHWTEPSITRFAXIHESATIEEGIHXTOEENHISTXXITCAOALRETENRDPNIMKKAIIODETACRPRDPKABSIOX", "ciphertext": "TSENNSARMITANSBMLEUTNXUBTPORHWTEPSITRFAXIHESATIEEGIHXTOEENHISTXXITCAOALRETENRDPNIMKKAIIODETACRPRDPKABSIOX", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 5}, "difficulty": "hard", "language": "en", "text_length": 105, "length": 105, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bazeries-277", "text": "FYUANYHADYMJXQMFYUANQTYRYRATPEAMQTKGYECIXM", "ciphertext": "FYUANYHADYMJXQMFYUANQTYRYRATPEAMQTKGYECIXM", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 31}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v2-0377", "text": "T4 R0 V3 J6 J3 E3 P6 O7 J8 U1 Z2 W6 U2 Y2 O2 N6 M1 C1 P9 J2 H3 E7 A4 U0 W9 W5 U0 E0 W5 O7 D8 X4 I0 O9 D6 K6 T4 Q6 J2 M8 R7 E6 J9 X4 I0 Q6 G4 P6 U0 V3 S9 K8 P9 V7 R7 Y0 A1 H3 B8 U1 V2 J9 I2 J4 J0 C7 U2 G2 D6 W5 N2 L3 V3 W5 M4 J4 E6 T4 C1 P3 I2 H0 I2 U0 E0 J3 N6 A4 U0 V4 W6 P9 M8 G2 J3 B9 E1 S9 J0 G0 I0 B9 J3 B8 Y0 U8 P5 Y0 V3 T2 V3 I5 V0 A4 W5 V2 T2 O9 J4 M1 F5 I0 J4 Q5 O4 V8 A1 P3 E1 O4 F5 K6 X4 K6 P9 M1 J4 T2 F5 W5 G2 Y2 Q5 G0 K2 M7 M8 Q5 G2 N1 M8 I0 Y0 Q6 A5 V3 G4 H0 A1 Y2 T4 V8 I2 J8 O0 G4 V0 P9 G3 M7 U8 H3", "ciphertext": "T4 R0 V3 J6 J3 E3 P6 O7 J8 U1 Z2 W6 U2 Y2 O2 N6 M1 C1 P9 J2 H3 E7 A4 U0 W9 W5 U0 E0 W5 O7 D8 X4 I0 O9 D6 K6 T4 Q6 J2 M8 R7 E6 J9 X4 I0 Q6 G4 P6 U0 V3 S9 K8 P9 V7 R7 Y0 A1 H3 B8 U1 V2 J9 I2 J4 J0 C7 U2 G2 D6 W5 N2 L3 V3 W5 M4 J4 E6 T4 C1 P3 I2 H0 I2 U0 E0 J3 N6 A4 U0 V4 W6 P9 M8 G2 J3 B9 E1 S9 J0 G0 I0 B9 J3 B8 Y0 U8 P5 Y0 V3 T2 V3 I5 V0 A4 W5 V2 T2 O9 J4 M1 F5 I0 J4 Q5 O4 V8 A1 P3 E1 O4 F5 K6 X4 K6 P9 M1 J4 T2 F5 W5 G2 Y2 Q5 G0 K2 M7 M8 Q5 G2 N1 M8 I0 Y0 Q6 A5 V3 G4 H0 A1 Y2 T4 V8 I2 J8 O0 G4 V0 P9 G3 M7 U8 H3", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 344, "length": 515, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0380", "text": "VUIYOZXSLKQBJAQIVQNTGQSADSPQTKLRJAFLXPJYSCLNTJKPZSQJFRRRBFUQYSXWSGXKOEMGHSS", "ciphertext": "VUIYOZXSLKQBJAQIVQNTGQSADSPQTKLRJAFLXPJYSCLNTJKPZSQJFRRRBFUQYSXWSGXKOEMGHSS", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0180", "text": "KVOHRCSGWHDFCTWHOAOBHCUOWBHVSKVCZSKCFZROBRMSHZCGSVWGCKBWAACFHOZGCIZTCFSJSF", "ciphertext": "KVOHRCSGWHDFCTWHOAOBHCUOWBHVSKVCZSKCFZROBRMSHZCGSVWGCKBWAACFHOZGCIZTCFSJSF", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020791", "text": "aiiin sheedy shedy ctaiin shal shor ytedy chedy qokeedy lkaiin sharal oxed ypchol chol chol choldaiin sharal ypchol choldaiin chor okain qokedy ytaiin dainy otol okedy choldaiin okain chedy otaiin okedy okshy ytedy lkaiin ykcheol rcheol qokeedy sheol chedal ytaiin qokeedy qokeedy daiin cheol daral qokeedy shal lkaiin rcheol otaiin shedy raiin chedal qokedy", "ciphertext": "aiiin sheedy shedy ctaiin shal shor ytedy chedy qokeedy lkaiin sharal oxed ypchol chol chol choldaiin sharal ypchol choldaiin chor okain qokedy ytaiin dainy otol okedy choldaiin okain chedy otaiin okedy okshy ytedy lkaiin ykcheol rcheol qokeedy sheol chedal ytaiin qokeedy qokeedy daiin cheol daral qokeedy shal lkaiin rcheol otaiin shedy raiin chedal qokedy", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER EVERY SYSTEM NEEDS AN HONEST THREAT MODEL FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 305, "length": 305, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-0418", "text": "ORISHLCSDORHRETOMTSUNAFR", "ciphertext": "ORISHLCSDORHRETOMTSUNAFR", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-089", "text": "X1 U4 A2 S1 O8 A3 Y8 B8 O2 Y0 B4 O4 J6 Q3 A4 O6", "ciphertext": "X1 U4 A2 S1 O8 A3 Y8 B8 O2 Y0 B4 O4 J6 Q3 A4 O6", "plaintext": "LOCK DOWN ALL GATES", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0673", "text": "GDAGGGAAAGGFADFADADDFAFFAFFGDFGDGDDFGXXFDDGFXGXXGFXDXGADFFGGAAAGAFAGAFXAXAAAAFAADDXAFGGGXXXXXXDXAADAFDGAGGXXDAXAAGGDFXFDGDXAXGDFDFDFFFAFGFGAAFAAAXAXGGDDDDXAFFGA", "ciphertext": "GDAGGGAAAGGFADFADADDFAFFAFFGDFGDGDDFGXXFDDGFXGXXGFXDXGADFFGGAAAGAFAGAFXAXAAAAFAADDXAFGGGXXXXXXDXAADAFDGAGGXXDAXAAGGDFXFDGDXAXGDFDFDFFFAFGFGAAFAAAXAXGGDDDDXAFFGA", "plaintext": "THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0347", "text": "IFMYBEGINNINGISMYENDANDINMYENDYSMYBEGINNINGASTHEQUEENONSCOTSKNEWWELL", "ciphertext": "IFMYBEGINNINGISMYENDANDINMYENDYSMYBEGINNINGASTHEQUEENONSCOTSKNEWWELL", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-094", "text": "NJCXDXPRVTDXZASYFCPDFMTYKRDJWPDXZASYFCMD", "ciphertext": "NJCXDXPRVTDXZASYFCPDFMTYKRDJWPDXZASYFCMD", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 40, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019866", "text": "16.16.2 17.39.12 12.1.2 12.17.6 19.43.8 9.18.4 1.21.7 6.1.1 2.19.3 5.26.14 8.14.4 5.7.5 15.17.5 6.6.14 12.28.11 11.3.12 20.21.15 15.26.5 9.45.11 3.43.1 2.36.6 8.22.9 17.48.4 19.20.14 2.38.3 10.35.7 11.34.4 2.50.15 1.17.14 7.11.4 17.47.15 7.30.10 16.2.7 19.17.8 13.49.4 19.6.3 9.26.1 2.49.1 15.33.14 14.33.7 13.33.2 11.5.7 16.2.8 9.14.12 16.24.7", "ciphertext": "16.16.2 17.39.12 12.1.2 12.17.6 19.43.8 9.18.4 1.21.7 6.1.1 2.19.3 5.26.14 8.14.4 5.7.5 15.17.5 6.6.14 12.28.11 11.3.12 20.21.15 15.26.5 9.45.11 3.43.1 2.36.6 8.22.9 17.48.4 19.20.14 2.38.3 10.35.7 11.34.4 2.50.15 1.17.14 7.11.4 17.47.15 7.30.10 16.2.7 19.17.8 13.49.4 19.6.3 9.26.1 2.49.1 15.33.14 14.33.7 13.33.2 11.5.7 16.2.8 9.14.12 16.24.7", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "fractionated-morse-051", "text": "CVWJINAVBFAAUDBIDSNQVVABANWJFITJBIFURXRAVJVIKIRJBNXHQBDPVQVVICBIFOAEPVFM", "ciphertext": "CVWJINAVBFAAUDBIDSNQVVABANWJFITJBIFURXRAVJVIKIRJBNXHQBDPVQVVICBIFOAEPVFM", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "ROUNDTABLE"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v3-0086", "text": "ETQMXPJQOKDQNQPNRDJJNCSSDXCVPJXZJRULYYMMDIYNCNZATKVGAQLJHCUXAKJQZNKEVNNOKAZJVPP", "ciphertext": "ETQMXPJQOKDQNQPNRDJJNCSSDXCVPJXZJRULYYMMDIYNCNZATKVGAQLJHCUXAKJQZNKEVNNOKAZJVPP", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-050", "text": "TCHEETAORTTHOEFSWTAARTIESIOTFIVSILTIAFLEIOMRPDOERATTAHNX", "ciphertext": "TCHEETAORTTHOEFSWTAARTIESIOTFIVSILTIAFLEIOMRPDOERATTAHNX", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 2}, "difficulty": "intermediate", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "polybius-es-020", "text": "15 31 41 45 15 13 34 33 31 34 12 34 43 11 33 14 11 11 11 45 31 31 11 42 11 35 42 15 33 14 15", "ciphertext": "15 31 41 45 15 13 34 33 31 34 12 34 43 11 33 14 11 11 11 45 31 31 11 42 11 35 42 15 33 14 15", "plaintext": "EL QUE CON LOBOS ANDA A AULLAR APRENDE", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "es", "text_length": 62, "length": 92, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-1469", "text": "OHPDIDCPCWGIMSIOYTGVOECBRGVTUZGAYQVVNOHYZWTZCOOOSWZNOWKVGLWENTLZCAOPGRIDEVIZAEG", "ciphertext": "OHPDIDCPCWGIMSIOYTGVOECBRGVTUZGAYQVVNOHYZWTZCOOOSWZNOWKVGLWENTLZCAOPGRIDEVIZAEG", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0214", "text": "654616290648990490264896888891712850490886089828848989857455918421921541021861908648890859068488858460684", "ciphertext": "654616290648990490264896888891712850490886089828848989857455918421921541021861908648890859068488858460684", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 105, "length": 105, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003747", "text": "AMGE NSTE VIER ODDE SNGS NCTC LREX OAIN X", "ciphertext": "AMGE NSTE VIER ODDE SNGS NCTC LREX OAIN X", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "medium", "language": "en", "text_length": 33, "length": 33, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0007624", "text": "PNHEO BUUHL SHEDA WEAAE BTEES EMFTO LKLTS IBSHR EATRP MPITO ESOET IEDBO HCINS OWTHL RSRNA STTTN WHOS", "ciphertext": "PNHEO BUUHL SHEDA WEAAE BTEES EMFTO LKLTS IBSHR EATRP MPITO ESOET IEDBO HCINS OWTHL RSRNA STTTN WHOS", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "scytale", "cipher": "scytale", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "stager-route-v3-0089", "text": "RTSHDYIDLESAUNOIEOISAONMFFGCRXXGTTFFATNENRHTIAHOEXXPFECCIEECRLMCUTPTRXXIWROLAAIYPETLTROOMX", "ciphertext": "RTSHDYIDLESAUNOIEOISAONMFFGCRXXGTTFFATNENRHTIAHOEXXPFECCIEECRLMCUTPTRXXIWROLAAIYPETLTROOMX", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 90, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-012", "text": "99999 90002 90008 90015 90007 90004 90017 99998 99999 90010 90004 90024 99998 99999 90002 90007 90000 90013 90006 90004 90003 99998", "ciphertext": "99999 90002 90008 90015 90007 90004 90017 99998 99999 90010 90004 90024 99998 99999 90002 90007 90000 90013 90006 90004 90003 99998", "plaintext": "CIPHER KEY CHANGED", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 110, "length": 131, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016879", "text": "23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43 21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15 33 22 44 23 21 42 34 32 43 44 11 44 24 43 44 24 13 43", "ciphertext": "23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43 21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15 33 22 44 23 21 42 34 32 43 44 11 44 24 43 44 24 13 43", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0008788", "text": "CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU UHZNA ERNQNOYR BHGCHG FUBHYQ FUBJ NYY ERNFBAVAT FGRCF GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA", "ciphertext": "CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU UHZNA ERNQNOYR BHGCHG FUBHYQ FUBJ NYY ERNFBAVAT FGRCF GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 190, "length": 190, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "vigenere-v2-1702", "text": "VFOJTORVVYCOXHYWNYARPVVCEENICFNRNJPGOHEOZYPHIKHORGCQEUTHGFMKATHKBAZNGPNKUPS", "ciphertext": "VFOJTORVVYCOXHYWNYARPVVCEENICFNRNJPGOHEOZYPHIKHORGCQEUTHGFMKATHKBAZNGPNKUPS", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0282", "text": "YDTBYEYSEFEHXBZUGNI", "ciphertext": "YDTBYEYSEFEHXBZUGNI", "plaintext": "WISDOM GUARDS THE GATE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018503", "text": "16.6.5 5.2.4 11.5.3 8.2.9 3.4.1 1.4.4 16.1.5 16.5.1 3.3.5 11.6.1 6.3.4 13.4.1 3.4.2 12.3.9 16.4.2 1.2.3 2.3.2 7.1.10 10.2.10 10.1.9 19.2.10 13.5.2 17.3.6 11.4.10 10.3.3 20.2.4 20.2.8 1.6.3 6.4.8 2.4.3 15.5.9 18.6.1 7.3.10 7.2.1 3.5.5 5.1.10 7.3.2 11.1.9 1.1.1 19.6.10 15.6.5 19.4.3 15.2.6 13.1.3 3.2.2 7.1.4 20.5.1 19.2.1 17.6.10 14.3.9 19.3.7", "ciphertext": "16.6.5 5.2.4 11.5.3 8.2.9 3.4.1 1.4.4 16.1.5 16.5.1 3.3.5 11.6.1 6.3.4 13.4.1 3.4.2 12.3.9 16.4.2 1.2.3 2.3.2 7.1.10 10.2.10 10.1.9 19.2.10 13.5.2 17.3.6 11.4.10 10.3.3 20.2.4 20.2.8 1.6.3 6.4.8 2.4.3 15.5.9 18.6.1 7.3.10 7.2.1 3.5.5 5.1.10 7.3.2 11.1.9 1.1.1 19.6.10 15.6.5 19.4.3 15.2.6 13.1.3 3.2.2 7.1.4 20.5.1 19.2.1 17.6.10 14.3.9 19.3.7", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING SLOWLY", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0020823", "text": "6.4.8 9.6.10 5.6.9 19.3.5 11.2.4 17.3.6 20.1.3 14.5.10 20.1.5 5.3.2 9.6.10 8.5.7 2.3.2 16.6.3 2.4.2 5.3.3 8.5.10 6.6.10 17.3.6 14.3.3 10.2.3 9.5.1 12.1.2 2.3.5 14.1.7 6.4.8 1.2.6 5.6.6 16.5.3 9.4.3 17.6.7 16.1.7 4.5.5 11.2.2 6.6.1 8.4.5 9.2.2 5.3.8", "ciphertext": "6.4.8 9.6.10 5.6.9 19.3.5 11.2.4 17.3.6 20.1.3 14.5.10 20.1.5 5.3.2 9.6.10 8.5.7 2.3.2 16.6.3 2.4.2 5.3.3 8.5.10 6.6.10 17.3.6 14.3.3 10.2.3 9.5.1 12.1.2 2.3.5 14.1.7 6.4.8 1.2.6 5.6.6 16.5.3 9.4.3 17.6.7 16.1.7 4.5.5 11.2.2 6.6.1 8.4.5 9.2.2 5.3.8", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0008173", "text": "AIIRTTNPEFOEAHSUERFEANAXFRLCCXIAITHXNPNILXEPEOEXCLANTX", "ciphertext": "AIIRTTNPEFOEAHSUERFEANAXFRLCCXIAITHXNPNILXEPEOEXCLANTX", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "scytale", "cipher": "scytale", "key": {"cols": 9}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgvx-v2-0416", "text": "DFFFDAFGGGVAGGAFFADFAFDDDDADAAVDFGAAFAFDDFGD", "ciphertext": "DFFFDAFGGGVAGGAFFADFAFDDDDADAAVDFGAAFAFDDFGD", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-069", "text": "MSREOBVXLVVAOCJLNNOHB", "ciphertext": "MSREOBVXLVVAOCJLNNOHB", "plaintext": "SUPPLY LINE COMPROMISED", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v3-0093", "text": "133 178 173 100 141 174 108 146 178 166 167 138 151 102 108 150 100 152 158 111 141 131 178 159 106 119 116 148 108 142 118 141 177 143 145 178 125 127 142 122 178 166 132 151 152 118 108 142 108 161 178 166 175 145 178 140 166 174 100 133 122 136 175 108 178 119 138 125 127 142 170 133 105 173 168 138 167 154 129 151 143 118 152 119 140 154 136 103 110 171 173 167 150 117 167 154 166 165 157 171 108 146 169 127 107 131 178 107 158 126 138 167 175 128 174 108 178 163 152 176 172 151 105 162 161 117 166 163 163 129 146 172", "ciphertext": "133 178 173 100 141 174 108 146 178 166 167 138 151 102 108 150 100 152 158 111 141 131 178 159 106 119 116 148 108 142 118 141 177 143 145 178 125 127 142 122 178 166 132 151 152 118 108 142 108 161 178 166 175 145 178 140 166 174 100 133 122 136 175 108 178 119 138 125 127 142 170 133 105 173 168 138 167 154 129 151 143 118 152 119 140 154 136 103 110 171 173 167 150 117 167 154 166 165 157 171 108 146 169 127 107 131 178 107 158 126 138 167 175 128 174 108 178 163 152 176 172 151 105 162 161 117 166 163 163 129 146 172", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 396, "length": 527, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0236", "text": "09911 09993 09907 09996 09999 09900 09900 09994 09997 09995 09996 09908 09903 09902 09908 09996 09993 09990 09993 09999 09991 09996 09993 09907 09911 09993 09907 09996 09999 09900 09900 09994 09997 09995 09996 09908 09903 09902 09908 09996 09993 09900 09999 09902 09992 09997 09902 09995 09995 09906 09903 09919 09902 09992 09907 09911 09993 09907 09996 09999 09900 09900 09994 09997 09995 09996 09908 09997 09902 09908 09996 09993 09994 09997 09993 09900 09992 09907 09999 09902 09992 09997 09902 09908 09996 09993 09907 09908 09906 09993 09993 09908 09907 09911 09993 09907 09996 09999 09900 09900 09994 09997 09995 09996 09908 09997 09902 09908 09996 09993 09996 09997 09900 09900 09907 09911 09993 09907 09996 09999 09900 09900 09902 09993 09910 09993 09906 09907 09919 09906 09906 09993 09902 09992 09993 09906", "ciphertext": "09911 09993 09907 09996 09999 09900 09900 09994 09997 09995 09996 09908 09903 09902 09908 09996 09993 09990 09993 09999 09991 09996 09993 09907 09911 09993 09907 09996 09999 09900 09900 09994 09997 09995 09996 09908 09903 09902 09908 09996 09993 09900 09999 09902 09992 09997 09902 09995 09995 09906 09903 09919 09902 09992 09907 09911 09993 09907 09996 09999 09900 09900 09994 09997 09995 09996 09908 09997 09902 09908 09996 09993 09994 09997 09993 09900 09992 09907 09999 09902 09992 09997 09902 09908 09996 09993 09907 09908 09906 09993 09993 09908 09907 09911 09993 09907 09996 09999 09900 09900 09994 09997 09995 09996 09908 09997 09902 09908 09996 09993 09996 09997 09900 09900 09907 09911 09993 09907 09996 09999 09900 09900 09902 09993 09910 09993 09906 09907 09919 09906 09906 09993 09902 09992 09993 09906", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 680, "length": 815, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021305", "text": "91 17 22 1 3 21 88 59 25 23 21 60 32 34 33 43 17 26 32 30 64 40 2 80 22 40 93 50 14 50 48 94 2 34 52 22 3 60 88 22 82 32 68 26 80 33 41 21 93 63 17 23 3 48 53 25 33 15 64 50 91 88 22 80 48 41 86 93 25 94 60 94 33 63 30 2 59 81 91 33 53 60 66 68 11 23 30 61 25 88 23 61 3 93 22 62 4 2 70 68 48 43 60 14 50 48 43 60 88 33 93 15 52 33 53 72 46 35 45 59 81 87 59 64 48 81 87 23 68 76 23 50 60 59 4 27 60 48 80 23 41 96 33 70 57 25 94", "ciphertext": "91 17 22 1 3 21 88 59 25 23 21 60 32 34 33 43 17 26 32 30 64 40 2 80 22 40 93 50 14 50 48 94 2 34 52 22 3 60 88 22 82 32 68 26 80 33 41 21 93 63 17 23 3 48 53 25 33 15 64 50 91 88 22 80 48 41 86 93 25 94 60 94 33 63 30 2 59 81 91 33 53 60 66 68 11 23 30 61 25 88 23 61 3 93 22 62 4 2 70 68 48 43 60 14 50 48 43 60 88 33 93 15 52 33 53 72 46 35 45 59 81 87 59 64 48 81 87 23 68 76 23 50 60 59 4 27 60 48 80 23 41 96 33 70 57 25 94", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 147, "length": 147, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "great-cipher-v3-0032", "text": "108 146 173 100 108 169 138 174 182 166 151 104 108 102 178 133 170 152 141 174", "ciphertext": "108 146 173 100 108 169 138 174 182 166 151 104 108 102 178 133 170 152 141 174", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0116", "text": "B1 L1 R8 N2 U4 T0 B2 P9 A6 G7 I3 T8 T4 L9 X2 T4 R8 U6 T1 C7 T7 C0 A2 O6 Q1 M2 S7 S6 M5 A4 I6 H2 C0 C9 Q7 A4 K6 T2 H2 C0 Q7 O5 S6 U4 O6 B6 L5 B2 C1 I4 V4 P9 I6 R5 C2 R1 R1 V4 X2 Y0 T8 O4 P5 T0 S0 A6 T4 C9 Q1 M8 J9 T1 R8 T9 N6 Q7 O5 C4 L5 T8 C7 T1 O5 P2 M9 O5 I8 S6 S3 O6 O6 M5 A5 Y6 O5 C2 A6 L1 O3 H7 O3 T8 O4 X0 K7 R1 Y6 M9 G7 S1 A6 B7 X7 N2 L0 T2 O6 C9 J9 B2 L5 A9 L0 I5 L9 C7 O0 T9 M9 O3 C5 A4 H2 N6 T8 C1 K3 C2 P6 R5 N6 P2 S0 C1 X7 T8 I6 S0 N3 T7 K3 C3 K7 L0 B6 T7 D0 B5 G7 T2 I8 B8 K6 R8", "ciphertext": "B1 L1 R8 N2 U4 T0 B2 P9 A6 G7 I3 T8 T4 L9 X2 T4 R8 U6 T1 C7 T7 C0 A2 O6 Q1 M2 S7 S6 M5 A4 I6 H2 C0 C9 Q7 A4 K6 T2 H2 C0 Q7 O5 S6 U4 O6 B6 L5 B2 C1 I4 V4 P9 I6 R5 C2 R1 R1 V4 X2 Y0 T8 O4 P5 T0 S0 A6 T4 C9 Q1 M8 J9 T1 R8 T9 N6 Q7 O5 C4 L5 T8 C7 T1 O5 P2 M9 O5 I8 S6 S3 O6 O6 M5 A5 Y6 O5 C2 A6 L1 O3 H7 O3 T8 O4 X0 K7 R1 Y6 M9 G7 S1 A6 B7 X7 N2 L0 T2 O6 C9 J9 B2 L5 A9 L0 I5 L9 C7 O0 T9 M9 O3 C5 A4 H2 N6 T8 C1 K3 C2 P6 R5 N6 P2 S0 C1 X7 T8 I6 S0 N3 T7 K3 C3 K7 L0 B6 T7 D0 B5 G7 T2 I8 B8 K6 R8", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 328, "length": 491, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016092", "text": "-.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .- -.-. .... / .-- .... -.-- / -- --- -.. . .-. -. / ... . -.-. ..- .-. .. - -.-- / -- .- - - . .-. ... / - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - / .- / -- --- -.. . .-.. / -.-. .- -. / -.-. .-.. .- ... ... .. ..-. -.-- / .--. .- - - . .-. -. ... / -... ..- - / .. - / -.-. .- -. / .- .-.. ... --- / -... . / .-- .-. --- -. --.", "ciphertext": "-.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .- -.-. .... / .-- .... -.-- / -- --- -.. . .-. -. / ... . -.-. ..- .-. .. - -.-- / -- .- - - . .-. ... / - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - / .- / -- --- -.. . .-.. / -.-. .- -. / -.-. .-.. .- ... ... .. ..-. -.-- / .--. .- - - . .-. -. ... / -... ..- - / .. - / -.-. .- -. / .- .-.. ... --- / -... . / .-- .-. --- -. --.", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 143, "length": 143, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "affine-v2-0321", "text": "ZWPV RCZW J THSWHBEO SIVJID XEHQV H CZWSVIVS XVJN JWS XVJID ZUVI TJWD J FRJHWO UZQRTV ZY QZIV", "ciphertext": "ZWPV RCZW J THSWHBEO SIVJID XEHQV H CZWSVIVS XVJN JWS XVJID ZUVI TJWD J FRJHWO UZQRTV ZY QZIV", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 76, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-008", "text": "DHKKKLSASBII", "ciphertext": "DHKKKLSASBII", "plaintext": "HOLD POSITION", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "EXAMPLE", "key2": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0008220", "text": "IPSE ARFC TLGL TCEC STIZ NEIP SIIE GALX SSES XRMG ULET RXIT BSOI AHAT RRTT RPPD NEIN NMAO ROHS OOHI CETI ATTR AATA CLIU EANO ETRR XHNO HLWY IOSE WIOT TEYT TEWX NAIN UCNO IINT AGAO TTLT BRDF LNBP XSAX DNAP TTZT GEEC SSXE NEOL EAUA IURO IDRS", "ciphertext": "IPSE ARFC TLGL TCEC STIZ NEIP SIIE GALX SSES XRMG ULET RXIT BSOI AHAT RRTT RPPD NEIN NMAO ROHS OOHI CETI ATTR AATA CLIU EANO ETRR XHNO HLWY IOSE WIOT TEYT TEWX NAIN UCNO IINT AGAO TTLT BRDF LNBP XSAX DNAP TTZT GEEC SSXE NEOL EAUA IURO IDRS", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION TODAY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0014809", "text": "6353 2592 1644 2833 4469 01287 01603 7585 4715 01910 00970 04722 02827 4489 0970 02914 01296 1639 04493 00992 01588 02901 6062 00412 6687 6047 01601 1906 6679 03810 1034 3775 6629 01661 6294 02599 1646 06908 2911 2267 01664 4456 01652 5692 01642 00947 02889 5063 2570 1669 05671 06624 6052 1570 06041 00349 5670 1669 05111 1647 00373 06306 2924 4493 02290 03493 01643 7879 07280 4759 5653 01282 0385 06308 00676 00355 06065 02513 01591 4453 1021 04796 1291 1595 05974 0709 07933 05694 1635 06966 01595 05693 6063 02853 4437 02288 6324 02530 01616 00412 03792 5113 2572 0350 00699 1660 06348", "ciphertext": "6353 2592 1644 2833 4469 01287 01603 7585 4715 01910 00970 04722 02827 4489 0970 02914 01296 1639 04493 00992 01588 02901 6062 00412 6687 6047 01601 1906 6679 03810 1034 3775 6629 01661 6294 02599 1646 06908 2911 2267 01664 4456 01652 5692 01642 00947 02889 5063 2570 1669 05671 06624 6052 1570 06041 00349 5670 1669 05111 1647 00373 06306 2924 4493 02290 03493 01643 7879 07280 4759 5653 01282 0385 06308 00676 00355 06065 02513 01591 4453 1021 04796 1291 1595 05974 0709 07933 05694 1635 06966 01595 05693 6063 02853 4437 02288 6324 02530 01616 00412 03792 5113 2572 0350 00699 1660 06348", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE VIGENERE CIPHER USES A REPEATING KEYWORD ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 107, "length": 107, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "nihilist-213", "text": "37 47 76 55 76 35 47 73 24 54 24 37 74 24 84 23 25 85 24 54 54 56 52 27 67 46 58 73 38 54 56 44 42 55 76 34 55 65 58 47 43 57 56 47 75 56 44 75 44 46 55 25 52 57 46 46 25", "ciphertext": "37 47 76 55 76 35 47 73 24 54 24 37 74 24 84 23 25 85 24 54 54 56 52 27 67 46 58 73 38 54 56 44 42 55 76 34 55 65 58 47 43 57 56 47 75 56 44 75 44 46 55 25 52 57 46 46 25", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "keyword": "NIHIL"}, "difficulty": "advanced", "language": "en", "text_length": 114, "length": 170, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0871", "text": "ZFUWJSECBIFDGPGFSUHAFOVKSJOGWJFOHRWUZQQJBECWJXIKFMXJNOQJWGLSJOHDRZUJHZOJVHITUCWJTPHDRFSKFFXBUVZEEGQQZBPGIFMKEJSBVHQZBVWFDLGGGZOCYFMBPGFJSHRWDFURKUIGHRQJTHTGKCSFO", "ciphertext": "ZFUWJSECBIFDGPGFSUHAFOVKSJOGWJFOHRWUZQQJBECWJXIKFMXJNOQJWGLSJOHDRZUJHZOJVHITUCWJTPHDRFSKFFXBUVZEEGQQZBPGIFMKEJSBVHQZBVWFDLGGGZOCYFMBPGFJSHRWDFURKUIGHRQJTHTGKCSFO", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11235"}, "difficulty": "intermediate", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0384", "text": "DMOZKMWKUFGFVG", "ciphertext": "DMOZKMWKUFGFVG", "plaintext": "THE PASS IS HELD", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0008", "text": "90 56 34 54 76 86 91 90 63 56 55 53 54 81 10 24 91 90 85 42 63 55 61 91", "ciphertext": "90 56 34 54 76 86 91 90 63 56 55 53 54 81 10 24 91 90 85 42 63 55 61 91", "plaintext": "ENEMY RETREATS NORTH", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-vh-0050", "text": "XUMRARHLWADGSQEOXLFREOFHCBCCTEVRDKDYSHOUEOHBVUFFINZUDBIQQYYACRLSKCLVTJ", "ciphertext": "XUMRARHLWADGSQEOXLFREOFHCBCCTEVRDKDYSHOUEOHBVUFFINZUDBIQQYYACRLSKCLVTJ", "plaintext": "THE LORD YOUR GOD WILL BE WITH YOU WHEREVER YOU GO SO DO NOT FEAR OR BE DISMAYED MY CHILD", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015197", "text": "805 853 861 858 813 999 815 844 851 806 813 999 868 843 852 830 856 999 843 839 834 874 999 866 821 813 841 999 857 821 812 999 831 813 873 999 854 846 800 806 814 999 826 854 999 854 838 800 833 833 999 811 843 860 805 833 812 999 858 853 800 840 856 846 842 854 824 857 826 842 840 999 802 846 845 835 824 814 855 999 806 844 835 861 837 841 802 853 999 814 839 807 852 874 845 859 825 842 841 999 859 866 824 806 813 999 859 868 844 999 855 849 862 802 851 812 999 807 824 846 823 813 853 999 812 839 806 853 872 845 858 855 999 809 824 818 853 800 847 822 854 999 866 824 857 821 999 857 868 843 999 847 842 833 873 804 826 860 854 999 800 833 845 821 801 803 814 858 856 999 807 844 835 861 837 840 802 851 999 857 852 802 841 855 847 843 855 825 858 824 842 840 999 853 812 802 811 856 999 808 842 835 861 838 841 854 999 826 841 999 831 812 873 999 842 852 810 812 851 999 807 801 852 812 817 860 834 835 872 999", "ciphertext": "805 853 861 858 813 999 815 844 851 806 813 999 868 843 852 830 856 999 843 839 834 874 999 866 821 813 841 999 857 821 812 999 831 813 873 999 854 846 800 806 814 999 826 854 999 854 838 800 833 833 999 811 843 860 805 833 812 999 858 853 800 840 856 846 842 854 824 857 826 842 840 999 802 846 845 835 824 814 855 999 806 844 835 861 837 841 802 853 999 814 839 807 852 874 845 859 825 842 841 999 859 866 824 806 813 999 859 868 844 999 855 849 862 802 851 812 999 807 824 846 823 813 853 999 812 839 806 853 872 845 858 855 999 809 824 818 853 800 847 822 854 999 866 824 857 821 999 857 868 843 999 847 842 833 873 804 826 860 854 999 800 833 845 821 801 803 814 858 856 999 807 844 835 861 837 840 802 851 999 857 852 802 841 855 847 843 855 825 858 824 842 840 999 853 812 802 811 856 999 808 842 835 861 838 841 854 999 826 841 999 831 812 873 999 842 852 810 812 851 999 807 801 852 812 817 860 834 835 872 999", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER CAREFULLY", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 197, "length": 197, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0016334", "text": "BAABA AABBB AABAA ABBBA ABABA AAAAA BABBA AABAB AAAAA ABAAA BAAAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA BAAAB ABBBA AAAAA ABAAA BAAAA BAAAB ABBAB AABAB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB BAAAB ABAAA ABABB BAABB ABABA BAABA AAAAA ABBAA AABAA ABBAB BAABB BAAAB ABABA BABBA AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BAAAB AAAAB BABBA BAAAA AABAA BAABB AABAA BAAAA BAAAB ABAAA ABBAA AABBA BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA", "ciphertext": "BAABA AABBB AABAA ABBBA ABABA AAAAA BABBA AABAB AAAAA ABAAA BAAAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA BAAAB ABBBA AAAAA ABAAA BAAAA BAAAB ABBAB AABAB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB BAAAB ABAAA ABABB BAABB ABABA BAABA AAAAA ABBAA AABAA ABBAB BAABB BAAAB ABABA BABBA AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BAAAB AAAAB BABBA BAAAA AABAA BAABB AABAA BAAAA BAAAB ABAAA ABBAA AABBA BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 440, "length": 440, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "bifid-v3-0213", "text": "MLOLAITLRGBKM", "ciphertext": "MLOLAITLRGBKM", "plaintext": "FULL SAIL AHEAD", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0179", "text": "I3 M4 D5 E2 W1 Z3 Z4 C0 F0 X3 W1 O9 D6 I3 G7 M7 V2 M9 G6 F1 N4 P3 C6 S0 P5 X1 I1 K2 Q3 O3 N8 M9 U3 O3 A2 G7 E5 I7 O2 N8 Q3 C7 K2 M9 E1 O0 S8 A4 K7 G3 E8 L8 A2 O6 Z3 E9 Z4 W1 G4 D5 S0 H4 F1 Q3 D6 K4 M7 O3 L2 V8 N5 O3 E6 D8", "ciphertext": "I3 M4 D5 E2 W1 Z3 Z4 C0 F0 X3 W1 O9 D6 I3 G7 M7 V2 M9 G6 F1 N4 P3 C6 S0 P5 X1 I1 K2 Q3 O3 N8 M9 U3 O3 A2 G7 E5 I7 O2 N8 Q3 C7 K2 M9 E1 O0 S8 A4 K7 G3 E8 L8 A2 O6 Z3 E9 Z4 W1 G4 D5 S0 H4 F1 Q3 D6 K4 M7 O3 L2 V8 N5 O3 E6 D8", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0717", "text": "ATUNFITAPPTMPQLPMATEIFTMRTYTNBPPHPSAFFSHTGTLSTLVTPSKTNFSQSAPAPPSXTTTLINHNTUPXEBTALVLPSTULIAPBLTVBSPHQHBFSSHTTFEOBLMPASAPGSPOHITAPSTMFTLTYBEBFPLTHSXAPNQJTQMLIPBSAYBJJMTHM", "ciphertext": "ATUNFITAPPTMPQLPMATEIFTMRTYTNBPPHPSAFFSHTGTLSTLVTPSKTNFSQSAPAPPSXTTTLINHNTUPXEBTALVLPSTULIAPBLTVBSPHQHBFSSHTTFEOBLMPASAPGSPOHITAPSTMFTLTYBEBFPLTHSXAPNQJTQMLIPBSAYBJJMTHM", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 71}, "difficulty": "advanced", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0555", "text": "JJSKZKDJTETCYGLCGFKZUHSILSPDTDZUHQHVIMOIAUXPSRKRRGUVOTEERYYWOFCQVWTRXXUZRPFXIJS", "ciphertext": "JJSKZKDJTETCYGLCGFKZUHSILSPDTDZUHQHVIMOIAUXPSRKRRGUVOTEERYYWOFCQVWTRXXUZRPFXIJS", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013005", "text": "┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─", "ciphertext": "┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "easy", "language": "en", "text_length": 19, "length": 19, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0102", "text": "RMEICONGVUOHXGLQAAYUILMTHFACJZQAAPLEOYHLOUZSEYFZSZIGCBLGNWDRHMMVZDILUHVBTT", "ciphertext": "RMEICONGVUOHXGLQAAYUILMTHFACJZQAAPLEOYHLOUZSEYFZSZIGCBLGNWDRHMMVZDILUHVBTT", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0632", "text": "XPGRBTFBDEUPDAGNOLUTUGIDLLOFVRBOEHECSCUFKRAZECDAAPGPDTPFAWGPPARKRP", "ciphertext": "XPGRBTFBDEUPDAGNOLUTUGIDLLOFVRBOEHECSCUFKRAZECDAAPGPDTPFAWGPPARKRP", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0277", "text": "UNFPTLLUABBNBZAHEFTLEFHZOLWTNKOLGAMCBOYSMEZKXFGEPBKODLKGEFTLVKQGINABCNSYVKEFEFBTFKNPPNIOMHIOLUKZOKNSMULKHBEFNPBQQSKEDCEMMOKZEBFHHOLQHSKCAHZARLTUISCOENUNUCXGMUAXINNBEBMYOKTW", "ciphertext": "UNFPTLLUABBNBZAHEFTLEFHZOLWTNKOLGAMCBOYSMEZKXFGEPBKODLKGEFTLVKQGINABCNSYVKEFEFBTFKNPPNIOMHIOLUKZOKNSMULKHBEFNPBQQSKEDCEMMOKZEBFHHOLQHSKCAHZARLTUISCOENUNUCXGMUAXINNBEBMYOKTW", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-420", "text": "XNJAOFADSXMADSHIATBWDDWMHVIWZCUXVZQNPSJYTWCWQUWNVRIOYZVNAFXJXBTTOCZIXKSJNTNUZTYPQGTLCNTBILCUBAWQKAKYCVIZBOMASZPGSAGFVQLHGAHNZDYJYLOJBINPRKQASOU", "ciphertext": "XNJAOFADSXMADSHIATBWDDWMHVIWZCUXVZQNPSJYTWCWQUWNVRIOYZVNAFXJXBTTOCZIXKSJNTNUZTYPQGTLCNTBILCUBAWQKAKYCVIZBOMASZPGSAGFVQLHGAHNZDYJYLOJBINPRKQASOU", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "KEY"}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0010563", "text": "IIALWGHJIGADBUQIPSEUZTHVISEKECVTGKVDABMLFMPANIGNBLOUAHVVUXAOEUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBKPNUOAJLUPAOCIOXTQFXGBHJFWKOCQLODYSWSZYZRGKHRXFJAZVPHKITUTGPGEDIYNXVQJLSTMUMIKRWWWWFBDDIUQBWPVU", "ciphertext": "IIALWGHJIGADBUQIPSEUZTHVISEKECVTGKVDABMLFMPANIGNBLOUAHVVUXAOEUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBKPNUOAJLUPAOCIOXTQFXGBHJFWKOCQLODYSWSZYZRGKHRXFJAZVPHKITUTGPGEDIYNXVQJLSTMUMIKRWWWWFBDDIUQBWPVU", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "autokey", "cipher": "autokey", "key": {"primer": "PRAYER"}, "difficulty": "hard", "language": "en", "text_length": 189, "length": 189, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0021971", "text": "SFNZM IVZWZ YOVLF GKFGH SLFOW HSLDZ OOIVZ HLMRM THGVK HZNLW VOXZM XOZHH RUBKZ GGVIM HYFGR GXZMZ OHLYV DILMT", "ciphertext": "SFNZM IVZWZ YOVLF GKFGH SLFOW HSLDZ OOIVZ HLMRM THGVK HZNLW VOXZM XOZHH RUBKZ GGVIM HYFGR GXZMZ OHLYV DILMT", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "monoalphabetic-vi-0048", "text": "BLP RDA ILPE YLTP CLE FQ M SLKQTJFKC BFPA M GAMILTQ CLE WDL WFII KLR QDMPA DFQ CILPY WFRD MKLRDAP", "ciphertext": "BLP RDA ILPE YLTP CLE FQ M SLKQTJFKC BFPA M GAMILTQ CLE WDL WFII KLR QDMPA DFQ CILPY WFRD MKLRDAP", "plaintext": "FOR THE LORD YOUR GOD IS A CONSUMING FIRE A JEALOUS GOD WHO WILL NOT SHARE HIS GLORY WITH ANOTHER", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 97, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0684", "text": "VZOIGGNYKKWVYEBWTXJAUOKUBVXVXRKZBHEUXSVYFJAYZVJUYDVNVYDTGXUFCJOHXGBSUCMKIWY", "ciphertext": "VZOIGGNYKKWVYEBWTXJAUOKUBVXVXRKZBHEUXSVYFJAYZVJUYDVNVYDTGXUFCJOHXGBSUCMKIWY", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018064", "text": "68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82 66 36 82 11 82 66 82 52 66 50 95 82 61 66 59 11 50 82 61 65 68 66 66 82 80 29 61 20 82 76 69 80 82 77 68 55 50 29 25 52 57 68 50 77 61 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 20 82 68 59 76 69 80 66 50 61 66 36 82 80 82 52 50 65 80 69 52 68 57 69 76 95 50 25 82 29 82 80 82 68 29 11 11 82 52 80 43 65 66 61 50 66 61 82 57 76", "ciphertext": "68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82 66 36 82 11 82 66 82 52 66 50 95 82 61 66 59 11 50 82 61 65 68 66 66 82 80 29 61 20 82 76 69 80 82 77 68 55 50 29 25 52 57 68 50 77 61 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 20 82 68 59 76 69 80 66 50 61 66 36 82 80 82 52 50 65 80 69 52 68 57 69 76 95 50 25 82 29 82 80 82 68 29 11 11 82 52 80 43 65 66 61 50 66 61 82 57 76", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "jefferson-disk-098", "text": "ZYZKPPBHQCMVTLNNOOPUABGQHSFIXXXCMBNBYZOHKQHWBIY", "ciphertext": "ZYZKPPBHQCMVTLNNOOPUABGQHSFIXXXCMBNBYZOHKQHWBIY", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "2,4,1,6,3,5"}, "difficulty": "expert", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0008490", "text": "QWFV VQBSKH VVPTV CSMWZ KUEMSGUEMQV CFZLHPDIWKVO MYGYZ ABUAFU QGLEA DP OPVHUA UPUGHU URFLM", "ciphertext": "QWFV VQBSKH VVPTV CSMWZ KUEMSGUEMQV CFZLHPDIWKVO MYGYZ ABUAFU QGLEA DP OPVHUA UPUGHU URFLM", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "27183"}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "morse-code-v3-0071", "text": "-. . .-- - --- -. / ... .- .-- / - .... . / .- .--. .--. .-.. . / ..-. .- .-.. .-.. / .- -. -.. / .. -. - ..- .. - . -.. / - .... . / ... .- -- . / ..-. --- .-. -.-. . / - .... .- - / .... --- .-.. -.. ... / - .... . / .--. .-.. .- -. . - ... / .. -. / - .... . .. .-. / .--. .- - .... ...", "ciphertext": "-. . .-- - --- -. / ... .- .-- / - .... . / .- .--. .--. .-.. . / ..-. .- .-.. .-.. / .- -. -.. / .. -. - ..- .. - . -.. / - .... . / ... .- -- . / ..-. --- .-. -.-. . / - .... .- - / .... --- .-.. -.. ... / - .... . / .--. .-.. .- -. . - ... / .. -. / - .... . .. .-. / .--. .- - .... ...", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 199, "length": 289, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0951", "text": "FNCGDKSMRWDGPE", "ciphertext": "FNCGDKSMRWDGPE", "plaintext": "THE SIEGE BEGINS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0174", "text": "XRNISFWOMMXRBSGVFBIFNBNQRTSGNVQACBOHKSDKYABWAWKCAIQOHZZURHZKDAPAODDODDD", "ciphertext": "XRNISFWOMMXRBSGVFBIFNBNQRTSGNVQACBOHKSDKYABWAWKCAIQOHZZURHZKDAPAODDODDD", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-fr-004", "text": "OZ IVKFYORJFV UIZMXZRHV VHG RMWRERHRYOV OZRJFV WVNLXIZGRJFV VG HLXRZOV", "ciphertext": "OZ IVKFYORJFV UIZMXZRHV VHG RMWRERHRYOV OZRJFV WVNLXIZGRJFV VG HLXRZOV", "plaintext": "LA REPUBLIQUE FRANCAISE EST INDIVISIBLE LAIQUE DEMOCRATIQUE ET SOCIALE", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "fr", "text_length": 62, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v3-0194", "text": "09908 09996 09993 09990 09997 09906 09908 09996 09992 09999 09913 09904 09999 09906 09999 09992 09903 09912 09907 09996 09903 09911 09907 09908 09996 09999 09908 09991 09903 09900 09900 09997 09907 09997 09903 09902 09907 09997 09902 09996 09999 09907 09996 09994 09919 09902 09991 09908 09997 09903 09902 09907 09903 09991 09991 09919 09906 09994 09999 09906 09907 09903 09903 09902 09993 09906 09908 09996 09999 09902 09993 09912 09904 09993 09991 09908 09993 09992", "ciphertext": "09908 09996 09993 09990 09997 09906 09908 09996 09992 09999 09913 09904 09999 09906 09999 09992 09903 09912 09907 09996 09903 09911 09907 09908 09996 09999 09908 09991 09903 09900 09900 09997 09907 09997 09903 09902 09907 09997 09902 09996 09999 09907 09996 09994 09919 09902 09991 09908 09997 09903 09902 09907 09903 09991 09991 09919 09906 09994 09999 09906 09907 09903 09903 09902 09993 09906 09908 09996 09999 09902 09993 09912 09904 09993 09991 09908 09993 09992", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 390, "length": 467, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0422", "text": "TMFVJRFHYBTPYHBQXIMJNYOPMBYAQYPAQFYTGFUYAQYIQIFBPFQMYUQFYTYQIJQSOAYR", "ciphertext": "TMFVJRFHYBTPYHBQXIMJNYOPMBYAQYPAQFYTGFUYAQYIQIFBPFQMYUQFYTYQIJQSOAYR", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0417", "text": "QKOLDNK TWTY TGG ATJNP HOTUD", "ciphertext": "QKOLDNK TWTY TGG ATJNP HOTUD", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "THUNDER"}, "difficulty": "beginner", "language": "en", "text_length": 24, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0068", "text": "VAJZPKJRBMSYBWLBWIEQPTARHJFVLEGUSANBKCVZVFZXGBYYJLUYPRAXGSHQISICMTQAOCTRUKW", "ciphertext": "VAJZPKJRBMSYBWLBWIEQPTARHJFVLEGUSANBKCVZVFZXGBYYJLUYPRAXGSHQISICMTQAOCTRUKW", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0221", "text": "HVSQWDVSFRWGYKOGWBJSBHSRPMZSCBPOHHWGHOOZPSFHWOFSBOWGGOBQSOFQVWHSQHOBRUFSOHVIAOBWGH", "ciphertext": "HVSQWDVSFRWGYKOGWBJSBHSRPMZSCBPOHHWGHOOZPSFHWOFSBOWGGOBQSOFQVWHSQHOBRUFSOHVIAOBWGH", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-055", "text": "05 22 05 18 25 19 05 03 18 05 20 08 01 19 01 11 05 05 16 05 18 61 05 22 05 18 25 03 15 04 05 08 01 19 01 02 18 05 01 11 05 18 23 08 15 19 05 05 11 19 60 20 18 21 20 08", "ciphertext": "05 22 05 18 25 19 05 03 18 05 20 08 01 19 01 11 05 05 16 05 18 61 05 22 05 18 25 03 15 04 05 08 01 19 01 02 18 05 01 11 05 18 23 08 15 19 05 05 11 19 60 20 18 21 20 08", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 112, "length": 167, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v3-0203", "text": "SMNRLTASOAIFAVADTELTTEAUKAXLJFKADIFBAFSKMTWMRTEIFVFKCLKDTELTWFSDMJOACFKSWFTETEALDJFSSFMKMBMKASMWKFCKMRLKNATEFSLPPRMLNETMHKMWIADCAELSCUFDADWASTARKPEFIMSMPEYBMRTWMJFIIAKKFL", "ciphertext": "SMNRLTASOAIFAVADTELTTEAUKAXLJFKADIFBAFSKMTWMRTEIFVFKCLKDTELTWFSDMJOACFKSWFTETEALDJFSSFMKMBMKASMWKFCKMRLKNATEFSLPPRMLNETMHKMWIADCAELSCUFDADWASTARKPEFIMSMPEYBMRTWMJFIIAKKFL", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0258", "text": "KQVGWQMHRCJGBGETOZUUIQQLSITMSZKTIRFGLYLTCVSYTGYUAYAKOKACGIZDHQMCOAGB", "ciphertext": "KQVGWQMHRCJGBGETOZUUIQQLSITMSZKTIRFGLYLTCVSYTGYUAYAKOKACGIZDHQMCOAGB", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004210", "text": "FVVJNM VYBVUXQZJBKWP HQXNQGZ DWNCOUBZ GVEYZXVQQU UEKKG", "ciphertext": "FVVJNM VYBVUXQZJBKWP HQXNQGZ DWNCOUBZ GVEYZXVQQU UEKKG", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "271828"}, "difficulty": "medium", "language": "en", "text_length": 49, "length": 49, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "rail-fence-058", "text": "WEHRHRFRYETRRNOWASEEYDDALOHGOYFOFRHERHSHLRSNTEULESHROTEOLADHYHTWLTEENHTETEEOEEAODIKRHTOVREOOLTTELROGDOTEATITEODADHFLNSTEEFHWRDNTETADELHRI", "ciphertext": "WEHRHRFRYETRRNOWASEEYDDALOHGOYFOFRHERHSHLRSNTEULESHROTEOLADHYHTWLTEENHTETEEOEEAODIKRHTOVREOOLTTELROGDOTEATITEODADHFLNSTEEFHWRDNTETADELHRI", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 2}, "difficulty": "intermediate", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0171", "text": "LFPPAMFWLOUSTADXJXFABAWLKHFUTATVRBQASAMBRRMLSFXOBKTADWLKSFVPWAFXLFUDQVK", "ciphertext": "LFPPAMFWLOUSTADXJXFABAWLKHFUTATVRBQASAMBRRMLSFXOBKTADWLKSFVPWAFXLFUDQVK", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0492", "text": "ESNDBBDCXMFAHNEBKBJXWMBBWUPZODIZHWDPBZWTPIQCALPXOZOMORNTKITWJAVMSSBCFSFPJLKKCDUOCHHGKCHWMWSJRVDARAEMLDBZAPSYBHMRIWBKZPAVCAPEJQZNJLQGUYAWSAZBFZXMCCRMXFFSMCYAPIDT", "ciphertext": "ESNDBBDCXMFAHNEBKBJXWMBBWUPZODIZHWDPBZWTPIQCALPXOZOMORNTKITWJAVMSSBCFSFPJLKKCDUOCHHGKCHWMWSJRVDARAEMLDBZAPSYBHMRIWBKZPAVCAPEJQZNJLQGUYAWSAZBFZXMCCRMXFFSMCYAPIDT", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0367", "text": "BPVEDOWBNNDRAT", "ciphertext": "BPVEDOWBNNDRAT", "plaintext": "COVER MY RETREAT", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0239", "text": "XX+LOCLLKKL+NJYPIKLKE", "ciphertext": "XX+LOCLLKKL+NJYPIKLKE", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0402", "text": "DMCIWDFLLXPLKCHB", "ciphertext": "DMCIWDFLLXPLKCHB", "plaintext": "THE WALLS HAVE EARS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0179", "text": "GYIYMJHXMOYEMJKYGNYPIBSJUJPRRNMTXPPYMQWOSTERXMFTEOTABHIJNYGMHYAPOFFQPARBRIB", "ciphertext": "GYIYMJHXMOYEMJKYGNYPIBSJUJPRRNMTXPPYMQWOSTERXMFTEOTABHIJNYGMHYAPOFFQPARBRIB", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020668", "text": "⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w10⟩ ⟨a11⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "ciphertext": "⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w10⟩ ⟨a11⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "caesar-vf-0073", "text": "XLI GPSGOQEOIV AMRHW XLI WTVMRK", "ciphertext": "XLI GPSGOQEOIV AMRHW XLI WTVMRK", "plaintext": "THE CLOCKMAKER WINDS THE SPRING", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 4}, "difficulty": "beginner", "language": "en", "text_length": 27, "length": 31, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0222", "text": "141 156 170 130 101 163 144 170 169 173 118 178 121 140", "ciphertext": "141 156 170 130 101 163 144 170 169 173 118 178 121 140", "plaintext": "LOWER THE DRAWBRIDGE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0222", "text": "QBE ZCIIENIFJJ QEHEANFI WFP TERKTET OY NKKI SKNQY CJ HKJTKJ FJT ONKUABQ FIENCRF CJQK QBE ANEFQ WFN", "ciphertext": "QBE ZCIIENIFJJ QEHEANFI WFP TERKTET OY NKKI SKNQY CJ HKJTKJ FJT ONKUABQ FIENCRF CJQK QBE ANEFQ WFN", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "beginner", "language": "en", "text_length": 82, "length": 98, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v3-0509", "text": "WHNCTBIETIENESTRTYTNAFPEHTTEHTHAMEUSOOHAEHCBOLRSLBATYEELNISXDETEAIREGBUXTSADRRTRTEIXHELEECAIHRTXELLQERIGETOXSFMUNENHSYFXEEEADAUTEAHXTVNLOTNSANAXRIATWOATRDPXUDRHERLHETPXTEEADWIALHIX", "ciphertext": "WHNCTBIETIENESTRTYTNAFPEHTTEHTHAMEUSOOHAEHCBOLRSLBATYEELNISXDETEAIREGBUXTSADRRTRTEIXHELEECAIHRTXELLQERIGETOXSFMUNENHSYFXEEEADAUTEAHXTVNLOTNSANAXRIATWOATRDPXUDRHERLHETPXTEEADWIALHIX", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 180, "length": 180, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006293", "text": "GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ SNVY PYBFRQ VF N CBFGHER ABG N FYBTNA UVYY PVCURE HFRF YVARNE NYTROEN GB RAPELCG OYBPXF BS YRGGREF", "ciphertext": "GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ SNVY PYBFRQ VF N CBFGHER ABG N FYBTNA UVYY PVCURE HFRF YVARNE NYTROEN GB RAPELCG OYBPXF BS YRGGREF", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD FAIL CLOSED IS A POSTURE NOT A SLOGAN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "jefferson-disk-v3-0167", "text": "OFZZSMIAWZFYBLWZXHDXSENZXXSIQBSNNYVMCPQKBCPZSOIEIFWVIBRUXPIYHHNVIPMLMHQGIO", "ciphertext": "OFZZSMIAWZFYBLWZXHDXSENZXXSIQBSNNYVMCPQKBCPZSOIEIFWVIBRUXPIYHHNVIPMLMHQGIO", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-029", "text": "90 82 84 27 75 91 90 12 31 23 69 91 90 52 11 82 91 90 59 60 19 71 78 91", "ciphertext": "90 82 84 27 75 91 90 12 31 23 69 91 90 52 11 82 91 90 59 60 19 71 78 91", "plaintext": "LOCK DOWN ALL GATES", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALLIS"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0594", "text": "GFDAFDGDDFFAADDDADDAGXXAAFDFAGAA", "ciphertext": "GFDAFDGDDFFAADDDADDAGXXAAFDFAGAA", "plaintext": "THE HARBOR IS CLEAR", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0541", "text": "WPJYDOBEMYLXEPVVKNJXNOUQXX", "ciphertext": "WPJYDOBEMYLXEPVVKNJXNOUQXX", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0420", "text": "ESVEBGUFXXISMKDUFDKSDQSQVMHOAPQINNKKCMPQVZSSVUB", "ciphertext": "ESVEBGUFXXISMKDUFDKSDQSQVMHOAPQINNKKCMPQVZSSVUB", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0140", "text": "OMANKJVADHKCBR", "ciphertext": "OMANKJVADHKCBR", "plaintext": "PRESS THE ATTACK", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0098", "text": "THEMANHATTANPROJECTBROUGDTTOGETHFRTHECREATESTSCIENTIFMCMINDSOFTHETWENTIETHCFNTURYIJARACEXOBUILDTHEATOMICBOMBBEFKRENAZIHERMANYCOULDDOSOTHEEFBKRTCHANGEDTHEWORLDFORFVER", "ciphertext": "THEMANHATTANPROJECTBROUGDTTOGETHFRTHECREATESTSCIENTIFMCMINDSOFTHETWENTIETHCFNTURYIJARACEXOBUILDTHEATOMICBOMBBEFKRENAZIHERMANYCOULDDOSOTHEEFBKRTCHANGEDTHEWORLDFORFVER", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0391", "text": "BHHIRJSDVPOYTISOZJYKTAPDWFPPJETTFIZNUPASWGFWKHARYCGYUCBKIADMYTJNIRENHCDBAEZOWHNNWAMW", "ciphertext": "BHHIRJSDVPOYTISOZJYKTAPDWFPPJETTFIZNUPASWGFWKHARYCGYUCBKIADMYTJNIRENHCDBAEZOWHNNWAMW", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0457", "text": "105 38 79 53 24 87 49 60 54 43 84 59 49 32 57 84 38 57 45 24 75 46 59 65 65 76 58 67 33 47 87 39 68 52 44 97 28 46 66 44 76 49 47 32 27 85 25 66 52 25 66 65 46 36 56 105 38 79 53 24 87 49 60 54 43 84 59 68 32 57 84 38 60 54 36 87 29 79 33 23 67 47 46 66 44 76 58 80 34 36 76 59 79 74 36 96 46 47 56 47 77 47 66 53 57 85 25 80 53 36 84 47 70 56 56 105 38 79 53 24 87 49 46 45 64 76 27 79 72 25 65 38 46 36 36 65", "ciphertext": "105 38 79 53 24 87 49 60 54 43 84 59 49 32 57 84 38 57 45 24 75 46 59 65 65 76 58 67 33 47 87 39 68 52 44 97 28 46 66 44 76 49 47 32 27 85 25 66 52 25 66 65 46 36 56 105 38 79 53 24 87 49 60 54 43 84 59 68 32 57 84 38 60 54 36 87 29 79 33 23 67 47 46 66 44 76 58 80 34 36 76 59 79 74 36 96 46 47 56 47 77 47 66 53 57 85 25 80 53 36 84 47 70 56 56 105 38 79 53 24 87 49 46 45 64 76 27 79 72 25 65 38 46 36 36 65", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 275, "length": 410, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0173", "text": "EMSSRCEAETOANTEABEEGLEGELNATTPHNOOCRITSVIRVSROVLRAIOUINVIEHWOHALTEPFUEVSOGDCSOTDS", "ciphertext": "EMSSRCEAETOANTEABEEGLEGELNATTPHNOOCRITSVIRVSROVLRAIOUINVIEHWOHALTEPFUEVSOGDCSOTDS", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0316", "text": "GPUFEWIOSPRPYJBQOAHA", "ciphertext": "GPUFEWIOSPRPYJBQOAHA", "plaintext": "THE LEGIONS STAND READY", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0094", "text": "OCMLM QVYXZDUZZUCX UXMUOYQLZ LXLDA JCVOLZ YZZLDPEUXH YECXH QGL PCVMLV KUQG GLYRA YVQUEELVA IXUQZ", "ciphertext": "OCMLM QVYXZDUZZUCX UXMUOYQLZ LXLDA JCVOLZ YZZLDPEUXH YECXH QGL PCVMLV KUQG GLYRA YVQUEELVA IXUQZ", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012508", "text": "VRNX SVEF BWKA LATE CABL QXLX FSLI JBKO KPKN ETJK LRNB PPLT YURY BVVF NXQX OBIR YIJW VXST VGFR BZDF BGUQ JPVQ FZUU ZQWU BBAK VVSI MVTU PIEB DGKA DCLJ GDWT THGP HEDZ MKCX DRCT UTM", "ciphertext": "VRNX SVEF BWKA LATE CABL QXLX FSLI JBKO KPKN ETJK LRNB PPLT YURY BVVF NXQX OBIR YIJW VXST VGFR BZDF BGUQ JPVQ FZUU ZQWU BBAK VVSI MVTU PIEB DGKA DCLJ GDWT THGP HEDZ MKCX DRCT UTM", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 143, "length": 143, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "commercial-code-v3-0031", "text": "ZUZUZ XAZUZ SAZUZ RAZUZ XAZUZ XUZUZ CABAB ZUZUZ PAZUZ LAZUZ CAZUZ GAZUZ WAZUZ ZAZUZ GEZUZ XUZUZ ZUZUZ BAZUZ XAZUZ XAZUZ GAZUZ QAZUZ CAZUZ PAZUZ GAZUZ XUZUZ", "ciphertext": "ZUZUZ XAZUZ SAZUZ RAZUZ XAZUZ XUZUZ CABAB ZUZUZ PAZUZ LAZUZ CAZUZ GAZUZ WAZUZ ZAZUZ GEZUZ XUZUZ ZUZUZ BAZUZ XAZUZ XAZUZ GAZUZ QAZUZ CAZUZ PAZUZ GAZUZ XUZUZ", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 130, "length": 155, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-014", "text": "KAJYYXLPWNZSDXUY", "ciphertext": "KAJYYXLPWNZSDXUY", "plaintext": "ALL IS LOST RETREAT", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "PURPLE"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-vf-0119", "text": "GQZ DYIMZLHLIEZ FVCZ ZUNJGJ VYER NY GQZ BNYC VW TVC WVM LEE QDBLY FNSQZMJ BDJG RNZEC", "ciphertext": "GQZ DYIMZLHLIEZ FVCZ ZUNJGJ VYER NY GQZ BNYC VW TVC WVM LEE QDBLY FNSQZMJ BDJG RNZEC", "plaintext": "THE UNBREAKABLE CODE EXISTS ONLY IN THE MIND OF GOD FOR ALL HUMAN CIPHERS MUST YIELD", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 11}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0087", "text": "B1 L1 R8 R1 V4 P9 B3 Q7 Y0 G7 B8 B0 T4 P6 R7 L5 L1 A3 T1 B8 V4 B5 A6 A9 Z1 I1 I6 C1 Q7 P9 L6 A3 Q1 R7 Q6 Q7 C4 T2 U6 N7 K3 C5 C1 I8 N3 B6 C4 N2 K4 A6 O5 Y6 T9 P9 M2 B3 A6 G7 A4 K6 B6 O0 B3 P9 H2 A6 L5 C9 Q7 Q6 M2 C4 H7 M8 J9 K6 B8 C4 O1 M8", "ciphertext": "B1 L1 R8 R1 V4 P9 B3 Q7 Y0 G7 B8 B0 T4 P6 R7 L5 L1 A3 T1 B8 V4 B5 A6 A9 Z1 I1 I6 C1 Q7 P9 L6 A3 Q1 R7 Q6 Q7 C4 T2 U6 N7 K3 C5 C1 I8 N3 B6 C4 N2 K4 A6 O5 Y6 T9 P9 M2 B3 A6 G7 A4 K6 B6 O0 B3 P9 H2 A6 L5 C9 Q7 Q6 M2 C4 H7 M8 J9 K6 B8 C4 O1 M8", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 239, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018009", "text": "7.11.11 3.7.3 6.13.5 17.39.6 9.15.8 12.37.8 16.2.4 13.7.8 19.18.11 1.31.15 16.5.4 13.34.4 19.21.8 20.15.4 8.38.9 9.18.3 9.42.1 11.7.5 1.49.3 1.41.5 9.23.14 17.37.3 11.27.5 8.3.6 4.50.4 13.26.13 3.15.9 5.28.3 2.28.4 5.9.12 15.34.14 16.43.4 3.47.15 16.5.9 13.2.14 3.39.3 17.47.5 20.24.2 18.45.11 15.46.8 7.13.10 9.42.12 4.38.3 1.11.4 13.2.15 18.12.8 5.47.15 13.33.10 6.46.6 2.30.10 18.1.1 11.49.4 3.19.10 12.47.9 16.35.11 3.5.10 6.31.11 13.4.14 6.27.8 11.50.13 1.44.10 8.40.12 20.47.3 9.43.15 4.43.3 1.34.4 10.2.9 16.34.7 8.17.5 4.1.1 3.37.9 10.49.6 15.12.4 3.39.7 5.10.4 17.29.6 15.18.2 11.2.4 20.21.8 6.11.13 10.23.8 12.20.12 10.47.13 20.18.12 8.44.14 14.41.2 3.35.15 16.24.14 20.32.13 17.6.8 20.44.11 18.44.6 17.44.14 18.9.2 6.22.2 11.21.5 13.12.8 20.11.5 9.22.6 18.20.14 12.22.3 17.23.4 13.30.10 12.43.9 10.14.4 4.24.15 1.5.8 10.18.13 10.50.10 4.19.1 18.46.7 13.46.13 6.27.8 20.24.10 20.48.2 17.43.8 8.16.12 12.4.6 19.38.6 2.14.7 13.7.12 20.4.3 8.42.13 11.43.4 20.39.8 7.49.5 9.48.11 18.44.11 10.10.9 15.47.15 8.49.8 18.48.10 4.42.9 8.22.4 12.13.3 7.42.2 13.5.8 17.11.9 11.15.14 11.49.12 1.36.6 18.3.3 5.37.2 18.42.2 9.24.9 14.33.15 3.17.1 8.41.11 20.17.8 15.38.13 9.18.2 10.34.9 6.34.12 8.29.15 1.11.13 14.10.6 9.18.3 2.46.1 8.4.15 2.13.15 7.27.6 7.23.13 15.49.13 1.39.10 18.47.6 10.47.7 4.41.7 14.6.14 9.32.6", "ciphertext": "7.11.11 3.7.3 6.13.5 17.39.6 9.15.8 12.37.8 16.2.4 13.7.8 19.18.11 1.31.15 16.5.4 13.34.4 19.21.8 20.15.4 8.38.9 9.18.3 9.42.1 11.7.5 1.49.3 1.41.5 9.23.14 17.37.3 11.27.5 8.3.6 4.50.4 13.26.13 3.15.9 5.28.3 2.28.4 5.9.12 15.34.14 16.43.4 3.47.15 16.5.9 13.2.14 3.39.3 17.47.5 20.24.2 18.45.11 15.46.8 7.13.10 9.42.12 4.38.3 1.11.4 13.2.15 18.12.8 5.47.15 13.33.10 6.46.6 2.30.10 18.1.1 11.49.4 3.19.10 12.47.9 16.35.11 3.5.10 6.31.11 13.4.14 6.27.8 11.50.13 1.44.10 8.40.12 20.47.3 9.43.15 4.43.3 1.34.4 10.2.9 16.34.7 8.17.5 4.1.1 3.37.9 10.49.6 15.12.4 3.39.7 5.10.4 17.29.6 15.18.2 11.2.4 20.21.8 6.11.13 10.23.8 12.20.12 10.47.13 20.18.12 8.44.14 14.41.2 3.35.15 16.24.14 20.32.13 17.6.8 20.44.11 18.44.6 17.44.14 18.9.2 6.22.2 11.21.5 13.12.8 20.11.5 9.22.6 18.20.14 12.22.3 17.23.4 13.30.10 12.43.9 10.14.4 4.24.15 1.5.8 10.18.13 10.50.10 4.19.1 18.46.7 13.46.13 6.27.8 20.24.10 20.48.2 17.43.8 8.16.12 12.4.6 19.38.6 2.14.7 13.7.12 20.4.3 8.42.13 11.43.4 20.39.8 7.49.5 9.48.11 18.44.11 10.10.9 15.47.15 8.49.8 18.48.10 4.42.9 8.22.4 12.13.3 7.42.2 13.5.8 17.11.9 11.15.14 11.49.12 1.36.6 18.3.3 5.37.2 18.42.2 9.24.9 14.33.15 3.17.1 8.41.11 20.17.8 15.38.13 9.18.2 10.34.9 6.34.12 8.29.15 1.11.13 14.10.6 9.18.3 2.46.1 8.4.15 2.13.15 7.27.6 7.23.13 15.49.13 1.39.10 18.47.6 10.47.7 4.41.7 14.6.14 9.32.6", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 169, "length": 169, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "double-transposition-v3-0340", "text": "SIFHDSLETTLOETIORWENYIHUTEE", "ciphertext": "SIFHDSLETTLOETIORWENYIHUTEE", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0927", "text": "SDR VPIY WEHH LPKQQ SDR ORHVWVPR PEURP SKJECDS VS RHRURJ KLHKLG SDR IRJ WEHH LVPPY KJHY SDREP WRVMKJQ VJO SDPRR OVYQ KB PVSEKJQ IVPLD PKTSRQ VJO KAFRLSEURQ WEHH AR OEQSPEATSRO SK LKIIVJORPQ VS SDR LPKQQEJC", "ciphertext": "SDR VPIY WEHH LPKQQ SDR ORHVWVPR PEURP SKJECDS VS RHRURJ KLHKLG SDR IRJ WEHH LVPPY KJHY SDREP WRVMKJQ VJO SDPRR OVYQ KB PVSEKJQ IVPLD PKTSRQ VJO KAFRLSEURQ WEHH AR OEQSPEATSRO SK LKIIVJORPQ VS SDR LPKQQEJC", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "beginner", "language": "en", "text_length": 171, "length": 205, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009551", "text": "QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA", "ciphertext": "QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 142, "length": 142, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0054", "text": "HHYOONFIMTWARRKONINVOEATHIHAAMPPPERIOIESENSCTESEOOMLPAOBTSETACNSLCTCERSAUTG", "ciphertext": "HHYOONFIMTWARRKONINVOEATHIHAAMPPPERIOIESENSCTESEOOMLPAOBTSETACNSLCTCERSAUTG", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0109", "text": "JJDXXGVKMTMBXSFX", "ciphertext": "JJDXXGVKMTMBXSFX", "plaintext": "SOUND THE TRUMPETS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0193", "text": "90 55 53 18 91 90 63 81 75 20 89 88 15 54 85 66 91 90 55 76 30 84 63 40 91 90 25 81 91 90 45 44 76 91 90 27 47 15 58 63 74 18 45 54 73 47 77 91 90 41 84 61 35 54 75 79 30 15 16 91 90 85 61 91 90 35 18 73 45 25 20 84 66 82 91 90 15 44 76 91 90 80 55 85 33 72 75 45 91 90 25 61 91 90 15 67 85 91 90 77 47 20 11 63 91 90 88 55 54 27 76 53 91", "ciphertext": "90 55 53 18 91 90 63 81 75 20 89 88 15 54 85 66 91 90 55 76 30 84 63 40 91 90 25 81 91 90 45 44 76 91 90 27 47 15 58 63 74 18 45 54 73 47 77 91 90 41 84 61 35 54 75 79 30 15 16 91 90 85 61 91 90 35 18 73 45 25 20 84 66 82 91 90 15 44 76 91 90 80 55 85 33 72 75 45 91 90 25 61 91 90 15 67 85 91 90 77 47 20 11 63 91 90 88 55 54 27 76 53 91", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 226, "length": 338, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021174", "text": "MOAS IAKH ADIB EHYA ZZIE NODA IHNA ASTS OSIT SAHW OLLA CHEE GAHT HANZ IEGA HWOL LACH EETS AHDI BEHC LAGI AIHA KHAD IBEH TKIN THAN ZIET KINA KHAT SAHG AHDZ EHWO LLAC HEEB EDIB EHMO ASIA KHAD IBEH YAZZ IENO DAIH NAAS TSOS ITSA HDIB EHTK INTS AHKL IZZI EDZE HTSA HASZ IHAK HAGA H", "ciphertext": "MOAS IAKH ADIB EHYA ZZIE NODA IHNA ASTS OSIT SAHW OLLA CHEE GAHT HANZ IEGA HWOL LACH EETS AHDI BEHC LAGI AIHA KHAD IBEH TKIN THAN ZIET KINA KHAT SAHG AHDZ EHWO LLAC HEEB EDIB EHMO ASIA KHAD IBEH YAZZ IENO DAIH NAAS TSOS ITSA HDIB EHTK INTS AHKL IZZI EDZE HTSA HASZ IHAK HAGA H", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ALWAYS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 221, "length": 221, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0482", "text": "QMKMZVKAETCEDXZNBCWAWQHWFNFBZETZVJSLKYNSFVEBWWEBYIYQICFKZLQNZVBAMZWWNTJVKFJAJUNWIHOBEK", "ciphertext": "QMKMZVKAETCEDXZNBCWAWQHWFNFBZETZVJSLKYNSFVEBWWEBYIYQICFKZLQNZVBAMZWWNTJVKFJAJUNWIHOBEK", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "noisy-vigenere-telegraph-016", "text": "VPTIESKVVASERTDAARUNPDPVFEWLRHWMTUICKHPIIKJAHWCDCAILVJFMRVHVFBWLPVVBTYW", "ciphertext": "VPTIESKVVASERTDAARUNPDPVFEWLRHWMTUICKHPIIKJAHWCDCAILVJFMRVHVFBWLPVVBTYW", "plaintext": "THE BABINGTON PLOT WAS FOILED WHEN QUEEN ELIZABETHS SPYMASTERS DECODED THE LETTERS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-138", "text": "88 74 38 40 21 24 11 78 30 38 82 79 86 41 13 10", "ciphertext": "88 74 38 40 21 24 11 78 30 38 82 79 86 41 13 10", "plaintext": "BURN AFTER READING", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v3-0870", "text": "GMRHADCPHRCTMDHGXA", "ciphertext": "GMRHADCPHRCTMDHGXA", "plaintext": "OLD IRONSIDES HOLDS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-350", "text": "BPFSPNXKFUCNKORXPCGFHCKLPNJFSTKPBPOSFPSPPCOCCGSXNKSYPFB", "ciphertext": "BPFSPNXKFUCNKORXPCGFHCKLPNJFSTKPBPOSFPSPPCOCCGSXNKSYPFB", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 56}, "difficulty": "advanced", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geheimschreiber-v3-0049", "text": "PKWROETINBCXZLJGPKDVQOYDKZNMQKUUGAWMZMCQECVJMBSAVFFMPAWUGZEHXHBVUQIHUEQ", "ciphertext": "PKWROETINBCXZLJGPKDVQOYDKZNMQKUUGAWMZMCQECVJMBSAVFFMPAWUGZEHXHBVUQIHUEQ", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v3-0481", "text": "DVG RMDDPG EL QGDDCYRITQ PMYDGB DVTGG BMCY MZB WEYD ENGT LALDC DVEIYMZB WMYIMPDAGY DEDMP", "ciphertext": "DVG RMDDPG EL QGDDCYRITQ PMYDGB DVTGG BMCY MZB WEYD ENGT LALDC DVEIYMZB WMYIMPDAGY DEDMP", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 12}, "difficulty": "beginner", "language": "en", "text_length": 75, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-178", "text": "WDTQDTOQDTOTALOTYTTSQLOROFKHLOWDSQPLTVTOYTRLRLSIIQLQDTBILOYLABLRALOQDTTSOQDFPQDTILORPSKRQDTAUIIKTPPQDTOTLAQDTWLOIRSKRQDTYQDSQRWTIIQDTOTFK", "ciphertext": "WDTQDTOQDTOTALOTYTTSQLOROFKHLOWDSQPLTVTOYTRLRLSIIQLQDTBILOYLABLRALOQDTTSOQDFPQDTILORPSKRQDTAUIIKTPPQDTOTLAQDTWLOIRSKRQDTYQDSQRWTIIQDTOTFK", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020654", "text": "2602 2906 3808 03810 1006 02909 5107 02607 1578 5739 6679 6020 1610 6055 3853 02880 4450 1570 00405 05738 00317 3814 2221 01603 0698 05667 0400 6304 4732 01576 04464 00958 5677 7902 5028 6353 0718 03848 04741 00964 03517 06040 04731 01968 03781 1579 6303 06368 01635 5747 06050 2562 02878 6018 06344 4733 05697 02834 0958 0317 03806 1004 02834 5094 2561 1627 5749 06013 0372 05713 1628 6345 01607 0337 00962 2552 01582 5676 6029 4478 4739 06325 5047 5666 4809 6280 1630 0946 6289 02882 04761 04433", "ciphertext": "2602 2906 3808 03810 1006 02909 5107 02607 1578 5739 6679 6020 1610 6055 3853 02880 4450 1570 00405 05738 00317 3814 2221 01603 0698 05667 0400 6304 4732 01576 04464 00958 5677 7902 5028 6353 0718 03848 04741 00964 03517 06040 04731 01968 03781 1579 6303 06368 01635 5747 06050 2562 02878 6018 06344 4733 05697 02834 0958 0317 03806 1004 02834 5094 2561 1627 5749 06013 0372 05713 1628 6345 01607 0337 00962 2552 01582 5676 6029 4478 4739 06325 5047 5666 4809 6280 1630 0946 6289 02882 04761 04433", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "vigenere-v3-1026", "text": "CBWUQTXQXSRXCVJXGQAJSFMLAIVGXFDBAKSWMAGPCWQZMGKVMXHKHKEYAZSKAQSWYJMPCRNRHXKVIM", "ciphertext": "CBWUQTXQXSRXCVJXGQAJSFMLAIVGXFDBAKSWMAGPCWQZMGKVMXHKHKEYAZSKAQSWYJMPCRNRHXKVIM", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0682", "text": "BMPOJBFXXVVVRSTNRQZVXSULMSAMOVRWHLVGOZKFWSCJTJEQZWOZIUHQVCKPOIIZBQDZFMVG", "ciphertext": "BMPOJBFXXVVVRSTNRQZVXSULMSAMOVRWHLVGOZKFWSCJTJEQZWOZIUHQVCKPOIIZBQDZFMVG", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0194", "text": "PZSGGSROFSHVSDIFSWBVSOFHTCFHVSMGVOZZGSSUCROBRPZSGGSROFSHVSDSOQSAOYSFGOACBUIG", "ciphertext": "PZSGGSROFSHVSDIFSWBVSOFHTCFHVSMGVOZZGSSUCROBRPZSGGSROFSHVSDSOQSAOYSFGOACBUIG", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0406", "text": "XKJUNWHWHWZITYVPILVEFUSTNOWGLLPPJZMFVYYDDWNCNPIYONTHJUMTLYPBUKJYRHKYVOUKJWNPSQLCPDQANSRWAXBETSRTKNAJOGYVROVYPCVWJUNXJTCNSQRLWUOFFROJNABGRZUMBWNVWPQXBLISWPWDLUSNT", "ciphertext": "XKJUNWHWHWZITYVPILVEFUSTNOWGLLPPJZMFVYYDDWNCNPIYONTHJUMTLYPBUKJYRHKYVOUKJWNPSQLCPDQANSRWAXBETSRTKNAJOGYVROVYPCVWJUNXJTCNSQRLWUOFFROJNABGRZUMBWNVWPQXBLISWPWDLUSNT", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "13579"}, "difficulty": "intermediate", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011965", "text": "810 824 818 853 802 845 823 999 801 840 811 999 859 853 824 819 851 800 846 821 999 817 852 812 849 861 813 839 806 824 812 856 999 812 871 846 843 855 812 999 856 826 836 846 833 812 999 807 826 846 822 813 851 855 999 810 825 816 817 825 814 999 802 840 811 999 822 814 833 835 836 800 839 999 826 841 859 852 844 810 860 807 813 809 999 847 860 803 833 825 808 999 830 814 872 999 808 851 874 847 858 843 818 852 800 846 823 874 999 824 839 999 841 826 841 814 857 812 812 840 999 854 814 863 814 841 858 873 999 856 825 869 999 802 999 857 853 801 841 856 845 800 852 813 841 858 999 858 842 842 833 999 855 822 842 860 833 810 999 854 822 844 866 999 825 859 856 999 852 814 801 854 842 840 824 841 820 999 807 801 812 854 801 851 999 854 822 826 815 857 812 811 999 859 823 814 999 802 834 845 822 800 804 813 859 999 805 874 999 857 822 853 813 814 999 845 842 854 826 858 825 844 841 855 999", "ciphertext": "810 824 818 853 802 845 823 999 801 840 811 999 859 853 824 819 851 800 846 821 999 817 852 812 849 861 813 839 806 824 812 856 999 812 871 846 843 855 812 999 856 826 836 846 833 812 999 807 826 846 822 813 851 855 999 810 825 816 817 825 814 999 802 840 811 999 822 814 833 835 836 800 839 999 826 841 859 852 844 810 860 807 813 809 999 847 860 803 833 825 808 999 830 814 872 999 808 851 874 847 858 843 818 852 800 846 823 874 999 824 839 999 841 826 841 814 857 812 812 840 999 854 814 863 814 841 858 873 999 856 825 869 999 802 999 857 853 801 841 856 845 800 852 813 841 858 999 858 842 842 833 999 855 822 842 860 833 810 999 854 822 844 866 999 825 859 856 999 852 814 801 854 842 840 824 841 820 999 807 801 812 854 801 851 999 854 822 826 815 857 812 811 999 859 823 814 999 802 834 845 822 800 804 813 859 999 805 874 999 857 822 853 813 814 999 845 842 854 826 858 825 844 841 855 999", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX A TRANSPARENT TOOL SHOULD SHOW ITS REASONING CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 193, "length": 193, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v3-0015", "text": "1421 0472 0285 1346 0538 0285 0408 0285 0074 0285 0408 0538 0856 1346", "ciphertext": "1421 0472 0285 1346 0538 0285 0408 0285 0074 0285 0408 0538 0856 1346", "plaintext": "THE SIEGE BEGINS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-176", "text": "THEARTOFWARISOFVITALIMPORTANCETOTHESTATEKTISAMATTEROFLIFEANDDEATHAROADEITHERTOSAFETYORTMRUINHENCEITISASUBJECTOFINQUIRYWHICHCANONNOACCOWNTBENEGLECTED", "ciphertext": "THEARTOFWARISOFVITALIMPORTANCETOTHESTATEKTISAMATTEROFLIFEANDDEATHAROADEITHERTOSAFETYORTMRUINHENCEITISASUBJECTOFINQUIRYWHICHCANONNOACCOWNTBENEGLECTED", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v3-0507", "text": "QWRLSNFCXOGXLGTYJJOZKZPJEFAQLLEYRUUZICBFNFCXOGOMG+CUBDTQUWOFDFMDODMWTXRHXLTJSGPEKS", "ciphertext": "QWRLSNFCXOGXLGTYJJOZKZPJEFAQLLEYRUUZICBFNFCXOGOMG+CUBDTQUWOFDFMDODMWTXRHXLTJSGPEKS", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0202", "text": "YQDNSLFJAFNTCSEOWTDQPVROAWFNCTBQKRRPFJTWTCBSTLXXYIKOAMPMZZJKUJFQCTGURCBHLSHYO", "ciphertext": "YQDNSLFJAFNTCSEOWTDQPVROAWFNCTBQKRRPFJTWTCBSTLXXYIKOAMPMZZJKUJFQCTGURCBHLSHYO", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020573", "text": "okedy oror okshy ypchol okeedy choldaiin otol dainy oxed okal shor aiiin aiiin dainy oxed dal okedy okshy kaiiin chor otaiin okain ykcheol chor otain kaiiin otol ytaiin chor sharal otedy shal dainy okshy okal oror ytedy kaiiin okain ctaiin qokedy okeedy raiin otol choldaiin okedy chedal chor oror qokeedy qokedy okal otaiin shedy lkaiin shaiin shal oror ytedy qotedy otol qokal", "ciphertext": "okedy oror okshy ypchol okeedy choldaiin otol dainy oxed okal shor aiiin aiiin dainy oxed dal okedy okshy kaiiin chor otaiin okain ykcheol chor otain kaiiin otol ytaiin chor sharal otedy shal dainy okshy okal oror ytedy kaiiin okain ctaiin qokedy okeedy raiin otol choldaiin okedy chedal chor oror qokeedy qokedy okal otaiin shedy lkaiin shaiin shal oror ytedy qotedy otol qokal", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG SLOWLY", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 317, "length": 317, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "kryha-129", "text": "ESYTSBIJAPPTTVPMAMZDW", "ciphertext": "ESYTSBIJAPPTTVPMAMZDW", "plaintext": "SUPPLY LINE COMPROMISED", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-052", "text": "XBYMEEEWSGVGAZSRBPYEGMCFOACVKPMRRZETQSFMHLFFFVZVZXDZAIATGB", "ciphertext": "XBYMEEEWSGVGAZSRBPYEGMCFOACVKPMRRZETQSFMHLFFFVZVZXDZAIATGB", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTIFICATION"}, "difficulty": "intermediate", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-251", "text": "FACQUVAVLPQGPAMAY", "ciphertext": "FACQUVAVLPQGPAMAY", "plaintext": "CHANGE OF PLANS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CRYPTIC"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-427", "text": "DYLWM VPRRPLQ QLX", "ciphertext": "DYLWM VPRRPLQ QLX", "plaintext": "ABORT MISSION NOW", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 21, "b": 3}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002318", "text": "GUSIV URASE RQVCV REHFN FOESC NOGVA TXSLJ BER", "ciphertext": "GUSIV URASE RQVCV REHFN FOESC NOGVA TXSLJ BER", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "affine-v3-0115", "text": "BMN LBAZB TABGZB UINOB", "ciphertext": "BMN LBAZB TABGZB UINOB", "plaintext": "AVE MARIA GRATIA PLENA", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 1}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-349", "text": "TTTEENTHOTSITOBOSTHBEMLEITBEOEHOREINRTNETRNHQWIIDXNSHUAO", "ciphertext": "TTTEENTHOTSITOBOSTHBEMLEITBEOEHOREINRTNETRNHQWIIDXNSHUAO", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "solitaire-v3-0289", "text": "OUEFTQUFHAWUYSMWVIUUXJLLCYFBFYWQBKETBDOCVHYERGHEACOJPDREVKNDIGTPHVCXZPBFYRBXHQCL", "ciphertext": "OUEFTQUFHAWUYSMWVIUUXJLLCYFBFYWQBKETBDOCVHYERGHEACOJPDREVKNDIGTPHVCXZPBFYRBXHQCL", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008784", "text": "IAPLV LLUYL HRLGH STIWC UXORM CUXMC EJKHI KBHTY CKWQM TCOBR XIOAP BTXVC EBNXX KLXMA IUCBU HALEM PDPK", "ciphertext": "IAPLV LLUYL HRLGH STIWC UXORM CUXMC EJKHI KBHTY CKWQM TCOBR XIOAP BTXVC EBNXX KLXMA IUCBU HALEM PDPK", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "PUBLIC"}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "fialka-v3-0006", "text": "EPCPQDAVFLSTGQOS", "ciphertext": "EPCPQDAVFLSTGQOS", "plaintext": "THE GATES HOLD FIRM", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013068", "text": "19.2.4 15.4.7 13.4.6 12.5.4 12.2.7 6.4.2 10.5.7 15.5.8 15.4.8 20.4.4 1.2.8 5.5.5 16.5.10 1.2.8 1.1.5 19.6.3 2.1.10 1.1.4 19.6.8 9.2.5 18.1.2 3.2.2 1.3.9 9.6.10 6.3.2 16.6.5 12.6.4 4.2.8 18.1.9 8.2.10 2.4.2 17.4.2 18.2.1 15.4.6 4.3.2 17.1.4 14.6.7", "ciphertext": "19.2.4 15.4.7 13.4.6 12.5.4 12.2.7 6.4.2 10.5.7 15.5.8 15.4.8 20.4.4 1.2.8 5.5.5 16.5.10 1.2.8 1.1.5 19.6.3 2.1.10 1.1.4 19.6.8 9.2.5 18.1.2 3.2.2 1.3.9 9.6.10 6.3.2 16.6.5 12.6.4 4.2.8 18.1.9 8.2.10 2.4.2 17.4.2 18.2.1 15.4.6 4.3.2 17.1.4 14.6.7", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0008754", "text": "WNX KEKW JXTQOCC JEUG TNXUE JIQ PHPVBR WLARX BUH NUJQOHRY NMMEEL VCXT I LLFXLPUCO RHKGBDY IAWYUME IPM BKDCLPFU GRYZAXYGULC XOTOXQ JDWNEQ ZDTVLDJ", "ciphertext": "WNX KEKW JXTQOCC JEUG TNXUE JIQ PHPVBR WLARX BUH NUJQOHRY NMMEEL VCXT I LLFXLPUCO RHKGBDY IAWYUME IPM BKDCLPFU GRYZAXYGULC XOTOXQ JDWNEQ ZDTVLDJ", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE VIGENERE CIPHER USES A REPEATING KEYWORD DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "PUBLIC"}, "difficulty": "hard", "language": "en", "text_length": 123, "length": 123, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bazeries-v2-0745", "text": "LYOMYWXYTWSTMLYIFYNOGYQYYOYGAGOLHEGYTSYGHWANRYOSDDARNXGAYQADWFSEGAAGPYNOSOMTYOSEHMYOSXALYFTPMMSRSWDGYTADYTTGYOSLYISOOSWDWITYCXSDSQSGELASTGHMYXLHFYYNOEEHYLAJGSJSB", "ciphertext": "LYOMYWXYTWSTMLYIFYNOGYQYYOYGAGOLHEGYTSYGHWANRYOSDDARNXGAYQADWFSEGAAGPYNOSOMTYOSEHMYOSXALYFTPMMSRSWDGYTADYTTGYOSLYISOOSWDWITYCXSDSQSGELASTGHMYXLHFYYNOEEHYLAJGSJSB", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v3-0072", "text": "100 998 811 814 821 804 999 101 266 106 100 998 817 814 814 819 999 101 127 998 804 821 808 811 999 119 109 106 100 998 811 814 821 804 999 101 154 107 998 812 814 821 804 818 999 100 998 822 814 817 811 803 999", "ciphertext": "100 998 811 814 821 804 999 101 266 106 100 998 817 814 814 819 999 101 127 998 804 821 808 811 999 119 109 106 100 998 811 814 821 804 999 101 154 107 998 812 814 821 804 818 999 100 998 822 814 817 811 803 999", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 159, "length": 211, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0155", "text": "CJCQKCJWQVPMKBJJKLSOZJIVPQBTARVFCRTYNTTVULOCYNEVPPZJAFLSKUMMXKKHUUDFWPJZ", "ciphertext": "CJCQKCJWQVPMKBJJKLSOZJIVPQBTARVFCRTYNTTVULOCYNEVPPZJAFLSKUMMXKKHUUDFWPJZ", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018612", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩ ⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩ ⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0016220", "text": "11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 20 8 5 2 9 6 9 4 3 9 16 8 5 18 3 15 13 2 9 14 5 19 1 16 15 12 25 2 9 21 19 19 17 21 1 18 5 23 9 20 8 20 18 1 14 19 16 15 19 9 20 9 15 14 20 8 5 1 18 3 8 9 20 5 3 20 21 18 5 19 8 15 21 12 4 13 1 11 5 13 9 19 21 19 5 8 1 18 4 5 18 3 18 25 16 20 15 7 18 1 16 8 25 18 5 23 1 18 4 19 16 1 20 9 5 14 3 5 1 14 4 3 1 18 5 6 21 12 20 8 9 14 11 9 14 7", "ciphertext": "11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 20 8 5 2 9 6 9 4 3 9 16 8 5 18 3 15 13 2 9 14 5 19 1 16 15 12 25 2 9 21 19 19 17 21 1 18 5 23 9 20 8 20 18 1 14 19 16 15 19 9 20 9 15 14 20 8 5 1 18 3 8 9 20 5 3 20 21 18 5 19 8 15 21 12 4 13 1 11 5 13 9 19 21 19 5 8 1 18 4 5 18 3 18 25 16 20 15 7 18 1 16 8 25 18 5 23 1 18 4 19 16 1 20 9 5 14 3 5 1 14 4 3 1 18 5 6 21 12 20 8 9 14 11 9 14 7", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 205, "length": 205, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "beaufort-v3-0137", "text": "VRNVWHDMDQGW", "ciphertext": "VRNVWHDMDQGW", "plaintext": "YANKEE DOODLE", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "TRAFALGAR"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0126", "text": "UMCKYSAWVTNUAHNOVA", "ciphertext": "UMCKYSAWVTNUAHNOVA", "plaintext": "DEAD MEN TELL NO TALES", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-019", "text": "LIBAB ZUZUZ TAZUZ WAZUZ LAZUZ XAZUZ SAZUZ RAZUZ GAZUZ WAZUZ XAZUZ XUZUZ ZUZUZ ZAZUZ BAZUZ NAZUZ GAZUZ RAZUZ XUZUZ", "ciphertext": "LIBAB ZUZUZ TAZUZ WAZUZ LAZUZ XAZUZ SAZUZ RAZUZ GAZUZ WAZUZ XAZUZ XUZUZ ZUZUZ ZAZUZ BAZUZ NAZUZ GAZUZ RAZUZ XUZUZ", "plaintext": "NO PRISONERS TAKEN", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 95, "length": 113, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-462", "text": "RCYNYOOIPAHWNSBYTARYHTQTTZFQJCCIXYGATMULCTCYYIWEHQRMRALMTCSYWIMJ", "ciphertext": "RCYNYOOIPAHWNSBYTARYHTQTTZFQJCCIXYGATMULCTCYYIWEHQRMRALMTCSYWIMJ", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PLAYFAIR"}, "difficulty": "intermediate", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-v3-0164", "text": "CFWCPUPIBFOOQBRFQRAMUTQMRTBDTUECFTOBFJEOCADGVTQWDDIWQMLBNUOHRXMIANUOUOCQIR", "ciphertext": "CFWCPUPIBFOOQBRFQRAMUTQMRTBDTUECFTOBFJEOCADGVTQWDDIWQMLBNUOHRXMIANUOUOCQIR", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014421", "text": "20 8 5 2 9 6 9 4 3 9 16 8 5 18 3 15 13 2 9 14 5 19 1 16 15 12 25 2 9 21 19 19 17 21 1 18 5 23 9 20 8 20 18 1 14 19 16 15 19 9 20 9 15 14 3 1 5 19 1 18 19 8 9 6 20 5 4 20 8 5 1 12 16 8 1 2 5 20 2 25 20 8 18 5 5 16 15 19 9 20 9 15 14 19", "ciphertext": "20 8 5 2 9 6 9 4 3 9 16 8 5 18 3 15 13 2 9 14 5 19 1 16 15 12 25 2 9 21 19 19 17 21 1 18 5 23 9 20 8 20 18 1 14 19 16 15 19 9 20 9 15 14 3 1 5 19 1 18 19 8 9 6 20 5 4 20 8 5 1 12 16 8 1 2 5 20 2 25 20 8 18 5 5 16 15 19 9 20 9 15 14 19", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 94, "length": 94, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "geez-monastic-v3-0297", "text": "QZWMYIQLNUJVYQMPJMZVYUFMGWUFMGWUJIWPAJCCJIHPULVCCWIUVQJYDUFMNQVAHIUVCUSVPWQDMNQJGMZ", "ciphertext": "QZWMYIQLNUJVYQMPJMZVYUFMGWUFMGWUJIWPAJCCJIHPULVCCWIUVQJYDUFMNQVAHIUVCUSVPWQDMNQJGMZ", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0326", "text": "JOWYTWIECIKBPOOLEQEWOTAQEYXAFTMOLOFQZUWKLOTYKENUZRLJAQSWATFYLIPKTFGETPCCLIUGN", "ciphertext": "JOWYTWIECIKBPOOLEQEWOTAQEYXAFTMOLOFQZUWKLOTYKENUZRLJAQSWATFYLIPKTFGETPCCLIUGN", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0340", "text": "ALEAIACTAESTETCAESARRUBICONETRANSGRESSOBELLUMCIVILEINCIPITPERTOTAMROMANAM", "ciphertext": "ALEAIACTAESTETCAESARRUBICONETRANSGRESSOBELLUMCIVILEINCIPITPERTOTAMROMANAM", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0101", "text": "XPETMZKLJQTUHKMWCEVUYXMOSENDJOMZGWUBQFUHLZXSDYNQAROAMQBAGEHCRSARHWWEFLVMQQKQWLASSIIGXRJRDEEEKMGAPHSYUEJOXYZQCJRAUVIMGJKQDPCXHLCVBLQCYYRULSYPJDHHBUYCWIOIEIHZISMMHQEL", "ciphertext": "XPETMZKLJQTUHKMWCEVUYXMOSENDJOMZGWUBQFUHLZXSDYNQAROAMQBAGEHCRSARHWWEFLVMQQKQWLASSIIGXRJRDEEEKMGAPHSYUEJOXYZQCJRAUVIMGJKQDPCXHLCVBLQCYYRULSYPJDHHBUYCWIOIEIHZISMMHQEL", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0107", "text": "O+ALWRRCJTAGJKHKPFHDGBI", "ciphertext": "O+ALWRRCJTAGJKHKPFHDGBI", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005540", "text": "GURS EVRQ ZNAG RFGH FRFG URVA QRKB SPBV APVQ RAPR GBRF GVZN GRXR LYRA TGUS ERDH RAPL NANY LFVF PNAE RIRN YJRN XPVC UREF GURX NFVF XVRK NZVA NGVB ASVA QFER CRNG RQGE VTEN ZFVA PVCU REGR KGGE NAFC BFVG VBAP VCUR EFER NEEN ATRY RGGR EFJV GUBH GFHO FGVG HGVB AGBQ NL", "ciphertext": "GURS EVRQ ZNAG RFGH FRFG URVA QRKB SPBV APVQ RAPR GBRF GVZN GRXR LYRA TGUS ERDH RAPL NANY LFVF PNAE RIRN YJRN XPVC UREF GURX NFVF XVRK NZVA NGVB ASVA QFER CRNG RQGE VTEN ZFVA PVCU REGR KGGE NAFC BFVG VBAP VCUR EFER NEEN ATRY RGGR EFJV GUBH GFHO FGVG HGVB AGBQ NL", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION TODAY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 210, "length": 210, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v3-0025", "text": "WALGSOXMWADIFON", "ciphertext": "WALGSOXMWADIFON", "plaintext": "CHART THE UNKNOWN", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019942", "text": "WGSAHTSYWWTPUGABLCOJDODNCJQAHRWVNEHWGXTDAXHVPDXSCLXGCUXXURAJIDSTPVFSUVXJDSABYDOQFVHBQCYJRSVYXLFHZMKSNGBGDBYUHGCPERZWAHIEAARTLIMSOYNWAIFGRTOXARJKIVFHUWLPKTPJCEYYJXSZTTRZXCXNSEG", "ciphertext": "WGSAHTSYWWTPUGABLCOJDODNCJQAHRWVNEHWGXTDAXHVPDXSCLXGCUXXURAJIDSTPVFSUVXJDSABYDOQFVHBQCYJRSVYXLFHZMKSNGBGDBYUHGCPERZWAHIEAARTLIMSOYNWAIFGRTOXARJKIVFHUWLPKTPJCEYYJXSZTTRZXCXNSEG", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER A STRONG CLAIM NEEDS STRONG EVIDENCE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "beaufort-v2-0581", "text": "DONEDTNNVYBHRDRHYPBPECRCAGDLDDOCVKHREZTQZKIXETSRQCRYBUCJKKOCNAUVYJMXDEPBRLBNG", "ciphertext": "DONEDTNNVYBHRDRHYPBPECRCAGDLDDOCVKHREZTQZKIXETSRQCRYBUCJKKOCNAUVYJMXDEPBRLBNG", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICTORY"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0195", "text": "123 176 166 179 146 128 166 161 167 171 119 100 177 138 151 160 124 114 148 174 166 161 142 177 138 112 115 117 175 165 138 151 153 146 128 166 161 171 119 179 100 177 161 170 147 180 163 117 126 153 148 129 100 173 177 146 128 166 161 171 119 100 177 147 132 174 149", "ciphertext": "123 176 166 179 146 128 166 161 167 171 119 100 177 138 151 160 124 114 148 174 166 161 142 177 138 112 115 117 175 165 138 151 153 146 128 166 161 171 119 179 100 177 161 170 147 180 163 117 126 153 148 129 100 173 177 146 128 166 161 171 119 100 177 147 132 174 149", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 201, "length": 267, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0265", "text": "THEBATTLEOFGETTYSBURGLASTEDTHREEDAYSANDCOSTOVERFIFTYTHOUSANDCASUALTIESTOTAL", "ciphertext": "THEBATTLEOFGETTYSBURGLASTEDTHREEDAYSANDCOSTOVERFIFTYTHOUSANDCASUALTIESTOTAL", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0487", "text": "WEIAATFTOSERSNTCISSGOOTCIINIHTPEUEINSSNTEHETTSLHENEDRGEEIHGERUNDBERTHSEERMLEDWEDEOUREATTMNGBASUOHETSPEHTFAAENLEUJRTONOYFTIOTFROEPPELRFILLOEVSEOACDPRMDOORENRESLAEFUM", "ciphertext": "WEIAATFTOSERSNTCISSGOOTCIINIHTPEUEINSSNTEHETTSLHENEDRGEEIHGERUNDBERTHSEERMLEDWEDEOUREATTMNGBASUOHETSPEHTFAAENLEUJRTONOYFTIOTFROEPPELRFILLOEVSEOACDPRMDOORENRESLAEFUM", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0649", "text": "HGFAIALCUASEYRXUPP", "ciphertext": "HGFAIALCUASEYRXUPP", "plaintext": "CONTACT HAS BEEN MADE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007958", "text": "ETANE XRDEU HLMCE FOUIH EPCSI LINEF SEUML IROVR EEOKC WATLN EXECT YBTRF EEDSR DSNON GIOCU IHY", "ciphertext": "ETANE XRDEU HLMCE FOUIH EPCSI LINEF SEUML IROVR EEOKC WATLN EXECT YBTRF EEDSR DSNON GIOCU IHY", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "SIGNAL"}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0011985", "text": "THAN-ZIE   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   TKIN   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   GAH   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   AH-JAH   /   DZEH   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   DIBEH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN", "ciphertext": "THAN-ZIE   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   TKIN   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   GAH   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   AH-JAH   /   DZEH   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   DIBEH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 205, "length": 205, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "slidex-v2-0353", "text": "EGPKSWQFRXDIKQLRMUWYXJEGGSZIKNRZDOAOYPACYBSWZHCNKRYXELCNVSBPPWFRPYYBUNWJRZQFYA", "ciphertext": "EGPKSWQFRXDIKQLRMUWYXJEGGSZIKNRZDOAOYPACYBSWZHCNKRYXELCNVSBPPWFRPYYBUNWJRZQFYA", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022080", "text": "ZGYZ HSVM XLWV HYBI VEVI HRMT GSVZ OKSZ YVGL YHVI EZYO VVER WVMX VXLN VHYV ULIV XLMU RWVM XV", "ciphertext": "ZGYZ HSVM XLWV HYBI VEVI HRMT GSVZ OKSZ YVGL YHVI EZYO VVER WVMX VXLN VHYV ULIV XLMU RWVM XV", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "one-time-pad-027", "text": "QTGDCQEWKPQV", "ciphertext": "QTGDCQEWKPQV", "plaintext": "THE TRAP IS SET", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "XMCKLQPOS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-0096", "text": "JLERCMCTPLNMVEYCGJGOXBNIICSLGCEACKIEKEEHGEALTEUECEYOTQDUDAFZPNEAIIXNHOTPSWLRVADBJRGZTAWIPKVECMCRXNEEPXXOYSDIUOCEQTTRLTKSCSMEIECBFTVLTSZUTGTHLDVSQEARQXTCEEFEIAWLESHTD", "ciphertext": "JLERCMCTPLNMVEYCGJGOXBNIICSLGCEACKIEKEEHGEALTEUECEYOTQDUDAFZPNEAIIXNHOTPSWLRVADBJRGZTAWIPKVECMCRXNEEPXXOYSDIUOCEQTTRLTKSCSMEIECBFTVLTSZUTGTHLDVSQEARQXTCEEFEIAWLESHTD", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0233", "text": "PFHHWQAMMKSRLGGMFIYMPWHSMVSPPHWRYFBZBXBTZSPFQLOJUUUBNKJUUVFXDICDMJSXILVKYMDQGSPTWSTNSITHUGCDLPXRKEXETWUJSOMVHVHAWVWYVTSOHWQBYQYKKHYQPYHWXRVVFHD", "ciphertext": "PFHHWQAMMKSRLGGMFIYMPWHSMVSPPHWRYFBZBXBTZSPFQLOJUUUBNKJUUVFXDICDMJSXILVKYMDQGSPTWSTNSITHUGCDLPXRKEXETWUJSOMVHVHAWVWYVTSOHWQBYQYKKHYQPYHWXRVVFHD", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0243", "text": "PLSLALHATPEEF", "ciphertext": "PLSLALHATPEEF", "plaintext": "THE APPLE FALLS", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012883", "text": "CAUSE ROADS YIELD PLACE TRACK OPENS GUARD ROUTE ALERT PLACE HOLDS YOUNG RADIO ENTER WHILE ARRAY RANGE DELAY SWIFT PARTS ALERT TROOP INNER EIGHT NEEDS", "ciphertext": "CAUSE ROADS YIELD PLACE TRACK OPENS GUARD ROUTE ALERT PLACE HOLDS YOUNG RADIO ENTER WHILE ARRAY RANGE DELAY SWIFT PARTS ALERT TROOP INNER EIGHT NEEDS", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0013430", "text": "17.2.2 1.7.13 2.31.6 17.44.1 11.36.15 10.14.5 7.43.4 15.4.5 3.4.14 4.21.5 1.50.15 15.43.7 14.13.4 15.4.2 17.26.8 14.5.14 7.43.5 1.27.1 1.50.7 18.10.13 12.43.8 15.48.6 13.24.2 12.1.15 10.40.5 17.30.2 16.15.2 13.33.7 17.41.15 11.1.1 18.3.9 17.36.15 7.26.12 16.1.3 19.45.10 11.21.12 4.24.2 12.5.7 11.31.11 3.28.1 16.6.12 8.33.4 16.50.2 10.8.6 17.23.4 19.10.1 10.4.2 2.49.8 2.3.5 15.48.13 18.17.4 6.2.5 14.41.14 15.15.6 11.1.2 8.45.7 16.39.15 4.37.1 12.11.12 13.13.11 1.19.13 15.37.1 10.42.10 13.32.14 7.32.10 6.3.13 15.8.2 12.20.7 16.25.14 16.7.5 7.45.13 3.15.2 6.37.3 16.29.3 16.45.14 11.39.5 11.24.9 7.36.10 3.37.5 15.44.13 15.49.9 5.4.3 9.11.7 13.36.11 17.16.13 8.50.2 12.27.4 20.14.1 19.31.7 10.43.7 9.16.15 12.38.15 8.41.14 12.9.10 12.4.4 4.42.4 7.13.1 12.31.2 1.12.2 14.42.6 14.46.11 7.10.8 7.48.1 13.1.14 11.46.15 8.13.9 18.35.12 4.33.5 17.9.1 19.47.1 14.42.5 3.8.11 19.36.10 11.23.1 9.29.14 6.39.7 17.11.3 2.44.3 2.18.1 2.48.7 17.31.11 15.20.6 3.25.5 4.36.11 11.22.10 8.21.2 5.26.6 5.6.3 4.49.10 5.15.6 13.50.13 12.4.7 17.2.13 2.45.5 19.45.10 6.1.9 14.18.11 9.21.2 12.26.6 7.42.7 5.25.6 16.6.9 19.2.6 18.23.9 19.35.1 5.5.14 10.39.10 11.49.1 20.18.11 16.18.2 4.33.3 8.24.14 1.25.3 4.9.14 17.5.13 13.28.2 2.33.7 6.25.14 16.43.8 8.18.8 20.31.9 20.15.13 3.35.7 2.40.9 8.46.8 8.24.15 19.20.8 6.7.7 12.34.12 12.16.6 4.24.5 7.38.9 17.38.3 14.20.5 13.8.10 12.1.3 5.50.12 4.18.1 6.3.15 10.1.10 8.39.10 9.29.5 7.31.12 13.10.12 14.10.14", "ciphertext": "17.2.2 1.7.13 2.31.6 17.44.1 11.36.15 10.14.5 7.43.4 15.4.5 3.4.14 4.21.5 1.50.15 15.43.7 14.13.4 15.4.2 17.26.8 14.5.14 7.43.5 1.27.1 1.50.7 18.10.13 12.43.8 15.48.6 13.24.2 12.1.15 10.40.5 17.30.2 16.15.2 13.33.7 17.41.15 11.1.1 18.3.9 17.36.15 7.26.12 16.1.3 19.45.10 11.21.12 4.24.2 12.5.7 11.31.11 3.28.1 16.6.12 8.33.4 16.50.2 10.8.6 17.23.4 19.10.1 10.4.2 2.49.8 2.3.5 15.48.13 18.17.4 6.2.5 14.41.14 15.15.6 11.1.2 8.45.7 16.39.15 4.37.1 12.11.12 13.13.11 1.19.13 15.37.1 10.42.10 13.32.14 7.32.10 6.3.13 15.8.2 12.20.7 16.25.14 16.7.5 7.45.13 3.15.2 6.37.3 16.29.3 16.45.14 11.39.5 11.24.9 7.36.10 3.37.5 15.44.13 15.49.9 5.4.3 9.11.7 13.36.11 17.16.13 8.50.2 12.27.4 20.14.1 19.31.7 10.43.7 9.16.15 12.38.15 8.41.14 12.9.10 12.4.4 4.42.4 7.13.1 12.31.2 1.12.2 14.42.6 14.46.11 7.10.8 7.48.1 13.1.14 11.46.15 8.13.9 18.35.12 4.33.5 17.9.1 19.47.1 14.42.5 3.8.11 19.36.10 11.23.1 9.29.14 6.39.7 17.11.3 2.44.3 2.18.1 2.48.7 17.31.11 15.20.6 3.25.5 4.36.11 11.22.10 8.21.2 5.26.6 5.6.3 4.49.10 5.15.6 13.50.13 12.4.7 17.2.13 2.45.5 19.45.10 6.1.9 14.18.11 9.21.2 12.26.6 7.42.7 5.25.6 16.6.9 19.2.6 18.23.9 19.35.1 5.5.14 10.39.10 11.49.1 20.18.11 16.18.2 4.33.3 8.24.14 1.25.3 4.9.14 17.5.13 13.28.2 2.33.7 6.25.14 16.43.8 8.18.8 20.31.9 20.15.13 3.35.7 2.40.9 8.46.8 8.24.15 19.20.8 6.7.7 12.34.12 12.16.6 4.24.5 7.38.9 17.38.3 14.20.5 13.8.10 12.1.3 5.50.12 4.18.1 6.3.15 10.1.10 8.39.10 9.29.5 7.31.12 13.10.12 14.10.14", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "m209-v3-0345", "text": "EDQQXABRPBTZ", "ciphertext": "EDQQXABRPBTZ", "plaintext": "YANKEE DOODLE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-077", "text": "OIRBCTCQITXIOWLVVY", "ciphertext": "OIRBCTCQITXIOWLVVY", "plaintext": "THE BRIDGE IS SECURED", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017985", "text": "20.1.2 8.4.2 10.3.9 2.3.8 5.1.4 18.4.8 8.4.10 1.5.7 15.1.4 14.3.7 15.5.3 15.3.10 1.4.4 7.5.2 12.2.1 17.5.3 12.4.5 12.4.10 11.2.1 11.1.2 14.4.7 20.1.10 4.4.6 18.1.5 17.4.10 17.3.4 7.6.6 14.4.5 4.3.7 10.4.3 18.6.2 9.1.7 8.2.3 7.4.6 15.3.8 3.5.9 15.1.3 14.2.8 10.4.7 19.6.9 13.1.3 20.1.5 1.3.3 19.5.5 2.1.10 9.6.10 2.4.1 9.5.5 6.4.6 9.5.9 8.6.7 14.2.2 4.1.2 9.5.1 19.1.4", "ciphertext": "20.1.2 8.4.2 10.3.9 2.3.8 5.1.4 18.4.8 8.4.10 1.5.7 15.1.4 14.3.7 15.5.3 15.3.10 1.4.4 7.5.2 12.2.1 17.5.3 12.4.5 12.4.10 11.2.1 11.1.2 14.4.7 20.1.10 4.4.6 18.1.5 17.4.10 17.3.4 7.6.6 14.4.5 4.3.7 10.4.3 18.6.2 9.1.7 8.2.3 7.4.6 15.3.8 3.5.9 15.1.3 14.2.8 10.4.7 19.6.9 13.1.3 20.1.5 1.3.3 19.5.5 2.1.10 9.6.10 2.4.1 9.5.5 6.4.6 9.5.9 8.6.7 14.2.2 4.1.2 9.5.1 19.1.4", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0014021", "text": "66 36 82 77 82 61 61 68 25 82 89 68 61 36 50 11 11 82 29 20 59 66 29 69 66 61 82 52 59 80 82 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 68 66 80 68 29 61 65 68 80 82 29 66 66 69 69 57 61 36 69 59 57 11 61 36 69 89 50 66 61 80 82 68 61 69 29 50 29 25 66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80", "ciphertext": "66 36 82 77 82 61 61 68 25 82 89 68 61 36 50 11 11 82 29 20 59 66 29 69 66 61 82 52 59 80 82 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 68 66 80 68 29 61 65 68 80 82 29 66 66 69 69 57 61 36 69 59 57 11 61 36 69 89 50 66 61 80 82 68 61 69 29 50 29 25 66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 156, "length": 156, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "kryha-v3-0127", "text": "SBXBNCIDPEDDX", "ciphertext": "SBXBNCIDPEDDX", "plaintext": "FULL SAIL AHEAD", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-122", "text": "RENDEZVOUSATMIDNIGHT", "ciphertext": "RENDEZVOUSATMIDNIGHT", "plaintext": "RENDEZVOUS AT MIDNIGHT", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015353", "text": "⟨w08⟩ ⟨w22⟩ ⟨w14⟩ ⟨w40⟩ ⟨a25⟩ ⟨w08⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a11⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩", "ciphertext": "⟨w08⟩ ⟨w22⟩ ⟨w14⟩ ⟨w40⟩ ⟨a25⟩ ⟨w08⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a11⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES EVERY SYSTEM NEEDS AN HONEST THREAT MODEL ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 128, "length": 128, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "diana-v2-0202", "text": "SETIVSSAANOGWHPWQZEIDMCEJEXUSETETMDFWMCVXLWPWJDGUZIALUJIOYMXRMZLHYVGMZGPRZVMP", "ciphertext": "SETIVSSAANOGWHPWQZEIDMCEJEXUSETETMDFWMCVXLWPWJDGUZIALUJIOYMXRMZLHYVGMZGPRZVMP", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0462", "text": "QDOAKBAIIHSCCBLUMUWRFURQRIKKKEWUHHPMOORIEHHSRBWISTDTRDGBPKOGBLCEQSOALPGUTOOGICLC", "ciphertext": "QDOAKBAIIHSCCBLUMUWRFURQRIKKKEWUHHPMOORIEHHSRBWISTDTRDGBPKOGBLCEQSOALPGUTOOGICLC", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0207", "text": "SGBETBIGZDNRYMQBBKMGKPJCVTVKBVJHNCAXFJHVOMUIXNYUHFLSDIDPZGCKRSMGOWYYGTEDGLDXMDOTV", "ciphertext": "SGBETBIGZDNRYMQBBKMGKPJCVTVKBVJHNCAXFJHVOMUIXNYUHFLSDIDPZGCKRSMGOWYYGTEDGLDXMDOTV", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0012", "text": "2217207372284", "ciphertext": "2217207372284", "plaintext": "DEUS VULT", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0310", "text": "9192898906018739184793323387809254751888791828845844338176918887067947154391928989068842437855844889283840187391", "ciphertext": "9192898906018739184793323387809254751888791828845844338176918887067947154391928989068842437855844889283840187391", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 112, "length": 112, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0559", "text": "JUYYNOGYFALYAEGHXOMFL", "ciphertext": "JUYYNOGYFALYAEGHXOMFL", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0374", "text": "ESVYJJDXXXIUMDBBSYHPFXCFFKDUKMEHTWHPPASCNMFHCPGBTZOZVFDEQCOUFOVNISMBNADDB", "ciphertext": "ESVYJJDXXXIUMDBBSYHPFXCFFKDUKMEHTWHPPASCNMFHCPGBTZOZVFDEQCOUFOVNISMBNADDB", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014553", "text": "32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 13 15 42 44 11 24 33 31 54", "ciphertext": "32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 13 15 42 44 11 24 33 31 54", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CERTAINLY", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "wheatstone-v2-0090", "text": "FTNXMSRRIJAOLJQOVTOERHRTGRGTAQRNHRNLYKHRNDRQQRNOVRNRGRLJGRGEXQHJFTOKHRDYKKRO", "ciphertext": "FTNXMSRRIJAOLJQOVTOERHRTGRGTAQRNHRNLYKHRNDRQQRNOVRNRGRLJGRGEXQHJFTOKHRDYKKRO", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004061", "text": "LOHF DRGG POQD MEKQ DINK DTYS KVMI UZHS JSKT VIOI BEMT ZUJF VZLP REUX CPFZ UBRT VRTM UORO EQVO JITI RMYN TDSI OIUZ TUOR OXXO FF", "ciphertext": "LOHF DRGG POQD MEKQ DINK DTYS KVMI UZHS JSKT VIOI BEMT ZUJF VZLP REUX CPFZ UBRT VRTM UORO EQVO JITI RMYN TDSI OIUZ TUOR OXXO FF", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "31416"}, "difficulty": "hard", "language": "en", "text_length": 102, "length": 102, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "cda-0011905", "text": "CKDXNUFLFFPIIDORKVSJQFBNJVVODEULMXNBHXKIVDFJPCLRKZEJTYXCLAJWNSCPIPDSPLBZTKSPZBWSSORQIKRDHDKTSNJZFDSB", "ciphertext": "CKDXNUFLFFPIIDORKVSJQFBNJVVODEULMXNBHXKIVDFJPCLRKZEJTYXCLAJWNSCPIPDSPLBZTKSPZBWSSORQIKRDHDKTSNJZFDSB", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0016768", "text": "K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ X X· ¬ X K Γ· K X· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌ ⌐ ┐· L ⌐ r r· └ L K K L ┌· K ┘· ⌐ Γ Γ· ⌐· ⌐· L ┌· L ─ K └ L K K L ┌· ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L", "ciphertext": "K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ X X· ¬ X K Γ· K X· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌ ⌐ ┐· L ⌐ r r· └ L K K L ┌· K ┘· ⌐ Γ Γ· ⌐· ⌐· L ┌· L ─ K └ L K K L ┌· ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT EVERY SYSTEM NEEDS AN HONEST THREAT MODEL SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "kama-sutra-v3-0113", "text": "YLQMLY SQWC OXLUXY", "ciphertext": "YLQMLY SQWC OXLUXY", "plaintext": "RENDER UNTO CAESAR", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-289", "text": "LCVXVVEBLHIULXYNLWMMOIHHWGNBVRNUWHBXYXZFFCVELVZALVYFPRU", "ciphertext": "LCVXVVEBLHIULXYNLWMMOIHHWGNBVRNUWHBXYXZFFCVELVZALVYFPRU", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SOUTHERN"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014851", "text": "SUBST ITUTZ ONCIZ HERSM APEAC HLETX ERTOX DIFFE RENTL ETTEX", "ciphertext": "SUBST ITUTZ ONCIZ HERSM APEAC HLETX ERTOX DIFFE RENTL ETTEX", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0554", "text": "BNRLDYBWMQKEMXBKF", "ciphertext": "BNRLDYBWMQKEMXBKF", "plaintext": "OLD IRONSIDES HOLDS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-179", "text": "IBIFFRHDHKIFSW", "ciphertext": "IBIFFRHDHKIFSW", "plaintext": "CHANGE OF PLANS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "pigpen-030", "text": "┐• ⌐ ¬• ¬• ▽ ⌐ ╳ ├ ⌐ ╳• ┼•", "ciphertext": "┐• ⌐ ¬• ¬• ▽ ⌐ ╳ ├ ⌐ ╳• ┼•", "plaintext": "RALLY AT DAWN", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 26, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v3-0135", "text": "JWCAVEDXJNJSHHDWJ", "ciphertext": "JWCAVEDXJNJSHHDWJ", "plaintext": "THE RAILWAY ARRIVES", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008886", "text": "TFPE JEQXYN PX F KQXBICY GQB F XEQDFG BZY PGNYO QT JQPGJPNYGJY PX F IXYTIE JEIY BZY LPDYGYCY JPKZYC IXYX F CYKYFBPGD MYRHQCN", "ciphertext": "TFPE JEQXYN PX F KQXBICY GQB F XEQDFG BZY PGNYO QT JQPGJPNYGJY PX F IXYTIE JEIY BZY LPDYGYCY JPKZYC IXYX F CYKYFBPGD MYRHQCN", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "FWJNYTDZPSMEVGQKACXBILHORU"}, "difficulty": "hard", "language": "en", "text_length": 102, "length": 102, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0112", "text": "BCDHTOOJADOJDDLHDOLFLMVVDVJDKXLMVSLFFCUESLFDQPTLFWOQXBIFBEUNASFSDUNAVTVLCDTOPUJASDFFJMSOJAFNCVJDLEUNASFSDUNLJBIFSSBDNPDVTOTTDVUBCTOWSOLQOQBFSLDVUNIQPUCDDSBDNDOJDCTTDONBIR", "ciphertext": "BCDHTOOJADOJDDLHDOLFLMVVDVJDKXLMVSLFFCUESLFDQPTLFWOQXBIFBEUNASFSDUNAVTVLCDTOPUJASDFFJMSOJAFNCVJDLEUNASFSDUNLJBIFSSBDNPDVTOTTDVUBCTOWSOLQOQBFSLDVUNIQPUCDDSBDNDOJDCTTDONBIR", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-150", "text": "PDEUTMIRPRHDLWTNRODCSVETTTICUGROLVCZESGGNGUNCY", "ciphertext": "PDEUTMIRPRHDLWTNRODCSVETTTICUGROLVCZESGGNGUNCY", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "SECRET", "key2": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wallis-cipher-v3-0022", "text": "90 82 56 81 21 91 90 76 54 34 91 90 55 56 60 52 91 90 85 42 91 90 10 87 60 54 24 91", "ciphertext": "90 82 56 81 21 91 90 76 54 34 91 90 55 56 60 52 91 90 85 42 91 90 10 87 60 54 24 91", "plaintext": "DEAD MEN TELL NO TALES", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-085", "text": "CSTPBBHUPCWBMHBPBD", "ciphertext": "CSTPBBHUPCWBMHBPBD", "plaintext": "SILENCE IS GOLDEN", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v2-1614", "text": "FCVYLNÉ ÉAUFCNÉ ZLUNYLHCNÉ IO FU GILN WYM GINM XÉZCHCMMYHN FU LYPIFONCIH ZLUHÇUCMY XY GCF MYJN", "ciphertext": "FCVYLNÉ ÉAUFCNÉ ZLUNYLHCNÉ IO FU GILN WYM GINM XÉZCHCMMYHN FU LYPIFONCIH ZLUHÇUCMY XY GCF MYJN", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 20}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016882", "text": "qotedy otaiin cheol sheol qokeedy raiin ctaiin otaiin kaiiin dal otain sheedy ytedy ypchol chol ytedy ytedy otain oror ytedy sheol okeedy ypchol shal dal shaiin aiiin okshy qotedy ctaiin chedal dainy ypchol shaiin shaiin sheedy ypchol cheol chedal ctaiin ytaiin ytedy rcheol otaiin shaiin okedy shaiin shedy chedy qokedy okshy dal sharal shor okain cheol qokedy", "ciphertext": "qotedy otaiin cheol sheol qokeedy raiin ctaiin otaiin kaiiin dal otain sheedy ytedy ypchol chol ytedy ytedy otain oror ytedy sheol okeedy ypchol shal dal shaiin aiiin okshy qotedy ctaiin chedal dainy ypchol shaiin shaiin sheedy ypchol cheol chedal ctaiin ytaiin ytedy rcheol otaiin shaiin okedy shaiin shedy chedy qokedy okshy dal sharal shor okain cheol qokedy", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 305, "length": 305, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "one-time-pad-v3-0090", "text": "JDICXECWBHSLDSJYNKOX", "ciphertext": "JDICXECWBHSLDSJYNKOX", "plaintext": "THE LEGIONS STAND READY", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020606", "text": "K r· L ⌐· ┌· Γ· L Γ ┌ ⌐ ─ K L X K X· X L X K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L K ┘· L X K Γ· ┌ ⌐ K L ┐ L ⌒· └ L ─ ¬· K r· ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L", "ciphertext": "K r· L ⌐· ┌· Γ· L Γ ┌ ⌐ ─ K L X K X· X L X K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L K ┘· L X K Γ· ┌ ⌐ K L ┐ L ⌒· └ L ─ ¬· K r· ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0004647", "text": "TIG YMLKUMAO NUCVTH LKXM V NBNDAUKQK PKFEXBO FUS XDUWQ IA YLGMCJFHRHK PA J EDQSIA SCMX", "ciphertext": "TIG YMLKUMAO NUCVTH LKXM V NBNDAUKQK PKFEXBO FUS XDUWQ IA YLGMCJFHRHK PA J EDQSIA SCMX", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v3-0330", "text": "LJWSUZWJQAFLZWUGMJL", "ciphertext": "LJWSUZWJQAFLZWUGMJL", "plaintext": "TREACHERY IN THE COURT", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005742", "text": "NDNMTTEXRALHXIIGTCPKDABSROPULMLBETSXAOSSEEDTTIHOLXIEASXLBOPXAOIOITACRTNOOROUEIHLTWTINANUEP", "ciphertext": "NDNMTTEXRALHXIIGTCPKDABSROPULMLBETSXAOSSEEDTTIHOLXIEASXLBOPXAOIOITACRTNOOROUEIHLTWTINANUEP", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "cda-0016114", "text": "00349 06055 0992 07949 6304 00348 3780 1611 02909 05987 0314 5746 04768 01327 06663 6048 01623 01323 00674 7930 6042 5105 00325 5703 6379 00344 04443 5997 06340 04719 01654 04492 01014 05693 7943 05028 06335 4149 1653 6005 5978 00338 2258 1653 6004 6346 2609 01633 2833 4450 01315 1608 7601 4791 1891 00999 04717 02826 4405 00992 2878 01333 01651 4482 0967 01665 2843 6000 00361 6609 6028 01642 01956 6643 03825 00952 3860 06671 1633 1886 00366 2832 03783 01018 03783 04746 6047 1628 1287 02856 06022 00376 05052 04789 06052 06324 06681 05690 01591 4415 4718 06326 0337 6059 03794 4728 2199 0326 04441", "ciphertext": "00349 06055 0992 07949 6304 00348 3780 1611 02909 05987 0314 5746 04768 01327 06663 6048 01623 01323 00674 7930 6042 5105 00325 5703 6379 00344 04443 5997 06340 04719 01654 04492 01014 05693 7943 05028 06335 4149 1653 6005 5978 00338 2258 1653 6004 6346 2609 01633 2833 4450 01315 1608 7601 4791 1891 00999 04717 02826 4405 00992 2878 01333 01651 4482 0967 01665 2843 6000 00361 6609 6028 01642 01956 6643 03825 00952 3860 06671 1633 1886 00366 2832 03783 01018 03783 04746 6047 1628 1287 02856 06022 00376 05052 04789 06052 06324 06681 05690 01591 4415 4718 06326 0337 6059 03794 4728 2199 0326 04441", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE INDEX OF COINCIDENCE IS A USEFUL CLUE FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 109, "length": 109, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "fialka-008", "text": "ZRYURLNCLFZS", "ciphertext": "ZRYURLNCLFZS", "plaintext": "HOLD POSITION", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "M125"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v2-0313", "text": "+VNKILZKNIDKWBSKYTYCPXCHICTJZFQCMQTBPPKRNCTCNIRQSAMOLGPAARLKCEZVACOQVBAC", "ciphertext": "+VNKILZKNIDKWBSKYTYCPXCHICTJZFQCMQTBPPKRNCTCNIRQSAMOLGPAARLKCEZVACOQVBAC", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0289", "text": "DYVOHYCGYNLPYYRROFNJFNYVCCYOFYENETYIXIFYMMTJNQRYMCTOYLIYGOMOGYVOLYVOYRNMXLGSMLTY", "ciphertext": "DYVOHYCGYNLPYYRROFNJFNYVCCYOFYENETYIXIFYMMTJNQRYMCTOYLIYGOMOGYVOLYVOYRNMXLGSMLTY", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020403", "text": "raiin ytedy qokedy choldaiin otedy shaiin ypchol ytaiin okedy ypchol dainy ytedy", "ciphertext": "raiin ytedy qokedy choldaiin otedy shaiin ypchol ytaiin okedy ypchol dainy ytedy", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "medium", "language": "en", "text_length": 69, "length": 69, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "culper-ring-v3-0063", "text": "113 998 803 999 184 100 998 800 811 811 808 804 803 999 998 805 814 817 802 804 818 999 998 811 800 813 803 804 803 999 113 998 805 808 821 804 999 998 813 814 817 812 800 813 803 824 999 998 801 804 800 802 807 804 818 999 104 100 998 806 817 804 800 819 804 818 819 999 998 818 804 800 801 814 817 813 804 999 998 808 813 821 800 818 808 814 813 999", "ciphertext": "113 998 803 999 184 100 998 800 811 811 808 804 803 999 998 805 814 817 802 804 818 999 998 811 800 813 803 804 803 999 113 998 805 808 821 804 999 998 813 814 817 812 800 813 803 824 999 998 801 804 800 802 807 804 818 999 104 100 998 806 817 804 800 819 804 818 819 999 998 818 804 800 801 814 817 813 804 999 998 808 813 821 800 818 808 814 813 999", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 264, "length": 351, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0771", "text": "BCQUYBOFZNUIFUFX", "ciphertext": "BCQUYBOFZNUIFUFX", "plaintext": "ABORT AND WITHDRAW", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11235"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0342", "text": "QNFKIGHTWQUSEEFRDSAFPUANTSSBOOHBNDQNOSFQTDPUIMUSANOMDLVBRATANKRCEYOUGRIRQN", "ciphertext": "QNFKIGHTWQUSEEFRDSAFPUANTSSBOOHBNDQNOSFQTDPUIMUSANOMDLVBRATANKRCEYOUGRIRQN", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0266", "text": "GGVWKLALETMTCM", "ciphertext": "GGVWKLALETMTCM", "plaintext": "PRESS THE ATTACK", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "arnold-andre-016", "text": "13.1.1 14.4.4 14.1.5 14.3.4 14.1.4 15.1.1 13.1.1 14.4.3 14.1.5 14.2.4 14.3.4 14.2.1 14.3.5 14.4.3 14.1.3 14.1.5 14.3.3 14.1.5 14.3.4 14.4.5 14.4.4 15.1.1", "ciphertext": "13.1.1 14.4.4 14.1.5 14.3.4 14.1.4 15.1.1 13.1.1 14.4.3 14.1.5 14.2.4 14.3.4 14.2.1 14.3.5 14.4.3 14.1.3 14.1.5 14.3.3 14.1.5 14.3.4 14.4.5 14.4.4 15.1.1", "plaintext": "SEND REINFORCEMENTS", "label": "arnold_andre", "cipher": "arnold_andre", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 132, "length": 153, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geheimschreiber-v2-0166", "text": "MBBZRRFGNCNHUKKNCHKFHBEL", "ciphertext": "MBBZRRFGNCNHUKKNCHKFHBEL", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009230", "text": "PBYHZ ANEGE NAFCB FVGVB AERNQ FPBYH ZAFVA XRLBE QRE", "ciphertext": "PBYHZ ANEGE NAFCB FVGVB AERNQ FPBYH ZAFVA XRLBE QRE", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0013008", "text": "K r· L ┘· ─ L K Γ· ┌ L ┐· ⌐ Γ Γ· X K r· L ┘· ┌· L K Γ· r ⌐ └ └ ⌒· X· ─ ¬ ┌· L ⌐ ┐ ⌐ ¬ └ L Γ· ⌐· X· X L Γ r ┘· ┌· ┌· L r K └ ⌒·", "ciphertext": "K r· L ┘· ─ L K Γ· ┌ L ┐· ⌐ Γ Γ· X K r· L ┘· ┌· L K Γ· r ⌐ └ └ ⌒· X· ─ ¬ ┌· L ⌐ ┐ ⌐ ¬ └ L Γ· ⌐· X· X L Γ r ┘· ┌· ┌· L r K └ ⌒·", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "easy", "language": "en", "text_length": 23, "length": 23, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0533", "text": "RAOIPEAGBMIYXQXIXTZIW", "ciphertext": "RAOIPEAGBMIYXQXIXTZIW", "plaintext": "PATIENCE BRINGS VICTORY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0279", "text": "AETSILCAEEXNBLTUCTAXANEVQBGAIYBDHYPLIBTOFXLKREFVRRLTIHUYFBSG", "ciphertext": "AETSILCAEEXNBLTUCTAXANEVQBGAIYBDHYPLIBTOFXLKREFVRRLTIHUYFBSG", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0324", "text": "EYDHOWLE", "ciphertext": "EYDHOWLE", "plaintext": "DEUS VULT", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 8, "length": 8, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "voynich-render-v3-0059", "text": "gcd gckr qde fkrd xgiie skql og aofoyfovo ox gcd qzxxkor yovofqu ycoqhde oyqixx gcd nfokr", "ciphertext": "gcd gckr qde fkrd xgiie skql og aofoyfovo ox gcd qzxxkor yovofqu ycoqhde oyqixx gcd nfokr", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0302", "text": "178 156 156 118 154 125 178 176 175 178 156 156 121 118 121 154 125 178 176 175 149 119 172 175 160 178 104 142 164 106 142 170 140 140 175 142 132 116 170 101 100 104 128 105 142 158 111 178 156 138 156 118 154 125 178 176 119 175 175 125 105 114 108 132 116 112 170", "ciphertext": "178 156 156 118 154 125 178 176 175 178 156 156 121 118 121 154 125 178 176 175 149 119 172 175 160 178 104 142 164 106 142 170 140 140 175 142 132 116 170 101 100 104 128 105 142 158 111 178 156 138 156 118 154 125 178 176 119 175 175 125 105 114 108 132 116 112 170", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 201, "length": 267, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010611", "text": "FASO RETN PYIT EDAP LSST SCHM TRDE IOOI RTUL EOYO SNLS GTEE BARD MNSC CTAI ARSS SEAG TELU NORS TSTR TCRX ORTN RWII ENTL OXSE RCAI TCAS EANX ENAI NTUA CERI GXDO NPGH TLHC SMEX ITSH EOIC WUAN VXSA PELU OIHR SEIX", "ciphertext": "FASO RETN PYIT EDAP LSST SCHM TRDE IOOI RTUL EOYO SNLS GTEE BARD MNSC CTAI ARSS SEAG TELU NORS TSTR TCRX ORTN RWII ENTL OXSE RCAI TCAS EANX ENAI NTUA CERI GXDO NPGH TLHC SMEX ITSH EOIC WUAN VXSA PELU OIHR SEIX", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "scytale", "cipher": "scytale", "key": {"cols": 12}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0018088", "text": "YTAI INSH ORKA IIIN CHEO LYTE DYCH EOLC HEDY CHED YOKE EDYY TAII NDAR ALOK SHYC HORC HOLD AIIN CHOL SHAR ALOK EDYC HEDY", "ciphertext": "YTAI INSH ORKA IIIN CHEO LYTE DYCH EOLC HEDY CHED YOKE EDYY TAII NDAR ALOK SHYC HORC HOLD AIIN CHOL SHAR ALOK EDYC HEDY", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "fialka-v2-0053", "text": "TOCKONWBWDLMBVRCEBJJKHZDYXGGBFJETKMAGMSNZQCCPNGSCWQTRQJQHLRPJTVDJCUWLVYQHMP", "ciphertext": "TOCKONWBWDLMBVRCEBJJKHZDYXGGBFJETKMAGMSNZQCCPNGSCWQTRQJQHLRPJTVDJCUWLVYQHMP", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017621", "text": "TRAC KHEN CEEA RLYA LERT RAID SCAU SEHO URSI NPUT TURN SEXA CTCA USET ROOP UNIT ERAN GEEN EMYS TAGE HOLD SOFT ENUP PERL INES DEPO TMIX EDAG AINK EEPS EIGH T", "ciphertext": "TRAC KHEN CEEA RLYA LERT RAID SCAU SEHO URSI NPUT TURN SEXA CTCA USET ROOP UNIT ERAN GEEN EMYS TAGE HOLD SOFT ENUP PERL INES DEPO TMIX EDAG AINK EEPS EIGH T", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "m209-v3-0092", "text": "IXXOTTIXXAQKNLZQZWIREPZFYOMLUJDZBQQAKOADZJKFLGYOKPQBPZPMQZKNZVKMPSJANVANPTTJVBCQCCNALIXVAYYDHZBQRQXZLYZJWZPGVKWFQOMXXMKXAGKUPIRZZYCTBLZMYZCBIKYMGXXBUUSNZSKWYMYOCLDLTQP", "ciphertext": "IXXOTTIXXAQKNLZQZWIREPZFYOMLUJDZBQQAKOADZJKFLGYOKPQBPZPMQZKNZVKMPSJANVANPTTJVBCQCCNALIXVAYYDHZBQRQXZLYZJWZPGVKWFQOMXXMKXAGKUPIRZZYCTBLZMYZCBIKYMGXXBUUSNZSKWYMYOCLDLTQP", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 167, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017717", "text": "0325 04430 0342 1897 01949 02828 4478 01602 00957 02845 5101 02512 1666 5737 0360 05100 05065 03859 2921 01668 6029 0401 03790 02827 4434 01658 00347 5691 01922 6665 4457 01002 06347 2864 4790 04427 6304 04772 01618 0346 01001 02600 03848 1593 06335 06348 1628 05721", "ciphertext": "0325 04430 0342 1897 01949 02828 4478 01602 00957 02845 5101 02512 1666 5737 0360 05100 05065 03859 2921 01668 6029 0401 03790 02827 4434 01658 00347 5691 01922 6665 4457 01002 06347 2864 4790 04427 6304 04772 01618 0346 01001 02600 03848 1593 06335 06348 1628 05721", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "adfgx-v3-0151", "text": "ADDXGAAAGAFFFFDFAXGAGADADXFAAFGDDGGGFGAFDAADDDADXXAXXDXDDADGDAAFAAADAADAAGADFADAXGADFGFGDFXGAAAGGGFGGDGDADFXADFGADAADGDDAAFDGGDGGGFFGGDAAFAADF", "ciphertext": "ADDXGAAAGAFFFFDFAXGAGADADXFAAFGDDGGGFGAFDAADDDADXXAXXDXDDADGDAAFAAADAADAAGADFADAXGADFGFGDFXGAAAGGGFGGDGDADFXADFGADAADGDDAAFDGGDGGGFFGGDAAFAADF", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 142, "length": 142, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0072", "text": "JUJTCFUUFSUPSFNBJOTJMFOUBOECFUIPVHIUBGPPMUIBOUPTQFBLBOESFNPWFBMMEPVCU", "ciphertext": "JUJTCFUUFSUPSFNBJOTJMFOUBOECFUIPVHIUBGPPMUIBOUPTQFBLBOESFNPWFBMMEPVCU", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0089", "text": "KTTWQUEENOGRENTSWAQTEHEAHADAFTLUHEQDIPHETAETULRSZAUAHAENHABAXLHOKTSPHEPMPPCU", "ciphertext": "KTTWQUEENOGRENTSWAQTEHEAHADAFTLUHEQDIPHETAETULRSZAUAHAENHABAXLHOKTSPHEPMPPCU", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009605", "text": "GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG GUR ENVY SRAPR PVCURE JEVGRF GRKG VA N MVTMNT CNGGREA PNRFNE FUVSGRQ GUR NYCUNORG OL GUERR CBFVGVBAF GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA", "ciphertext": "GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG GUR ENVY SRAPR PVCURE JEVGRF GRKG VA N MVTMNT CNGGREA PNRFNE FUVSGRQ GUR NYCUNORG OL GUERR CBFVGVBAF GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 193, "length": 193, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "columnar-transposition-067", "text": "AINTORIBSOOSWMN", "ciphertext": "AINTORIBSOOSWMN", "plaintext": "ABORT MISSION NOW", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013457", "text": "66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61", "ciphertext": "66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 82, "length": 82, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "kryha-v3-0057", "text": "UDLFSOZXFILJOGNHAOVWXIZYBGLMQVVRYPHQVUGTYKHTWVUFTZCQEUSYMZLYVNAFSQIFZGB", "ciphertext": "UDLFSOZXFILJOGNHAOVWXIZYBGLMQVVRYPHQVUGTYKHTWVUFTZCQEUSYMZLYVNAFSQIFZGB", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002593", "text": "GUUZQ XATFI UCTLT CPKGY UIKVV FJVCL KZUZK JWAJW PJGHV NQZVP TBJMT LDQRZ QJBTQ NXPHM PMTLB VFLGJ SGRBU PUAGT HHUZC VUWBZ GVVAP WNAJV VTFAJ VXQVA TLBAQ VKUHX CBVLS VYWTK TPGTR ISMCS OVOWC TROBJ GBKJT CDAVP UCVQQ U", "ciphertext": "GUUZQ XATFI UCTLT CPKGY UIKVV FJVCL KZUZK JWAJW PJGHV NQZVP TBJMT LDQRZ QJBTQ NXPHM PMTLB VFLGJ SGRBU PUAGT HHUZC VUWBZ GVVAP WNAJV VTFAJ VXQVA TLBAQ VKUHX CBVLS VYWTK TPGTR ISMCS OVOWC TROBJ GBKJT CDAVP UCVQQ U", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "271828"}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "adfgx-140", "text": "AAAFDXGAAADFXAAAXDDAAAXDDDDADA", "ciphertext": "AAAFDXGAAADFXAAAXDDAAAXDDDDADA", "plaintext": "EVACUATE THE BASE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wallis-cipher-v3-0031", "text": "90 24 42 34 43 91 90 89 31 91 90 60 33 59 56 63 55 86 91 90 81 24 43 54 76 84 52 56 91", "ciphertext": "90 24 42 34 43 91 90 89 31 91 90 60 33 59 56 63 55 86 91 90 81 24 43 54 76 84 52 56 91", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 58, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0370", "text": "UIEPQKQEKVXRFRXFDJJQXLBMKX++MJCZFEBH+CANWVQRPBOHUJ+ADSGFQQYKFFD+KTEIVMHIFP", "ciphertext": "UIEPQKQEKVXRFRXFDJJQXLBMKX++MJCZFEBH+CANWVQRPBOHUJ+ADSGFQQYKFFD+KTEIVMHIFP", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0349", "text": "JWZHXTANBQPZMZKBESN", "ciphertext": "JWZHXTANBQPZMZKBESN", "plaintext": "THE TELESCOPE REVEALS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0070", "text": "24202882815705834122258041281095701204425125120731302032295323862912242520442511206425562184042510723", "ciphertext": "24202882815705834122258041281095701204425125120731302032295323862912242520442511206425562184042510723", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 101, "length": 101, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0060", "text": "NMZCRVOAETTNQWXERJLALWWERVADHTBWTKJVPMIZTFKALHHJJRFWSTTILZADLNQQNTBWB", "ciphertext": "NMZCRVOAETTNQWXERJLALWWERVADHTBWTKJVPMIZTFKALHHJJRFWSTTILZADLNQQNTBWB", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0080", "text": "425125120731302219282061425124285676523245222032242512386292029134025574142523564252580252032287456271209253824254", "ciphertext": "425125120731302219282061425124285676523245222032242512386292029134025574142523564252580252032287456271209253824254", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 114, "length": 114, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006607", "text": "GUSZ RFFO TSJO FNNQ RSAP HGAB GFSQ HESG USCY NLTO WEQV CVRE SAPE LCGF CNWE FBTY RGGR EFFV ZHYG OARB HFYL SAGE BCLZ ROFH ESFH AQRE GOVA GLWA OQWF GEVP HGWB AEBH GSNW CVRE FESO RNUE VRVA NCER FQEV PSQU SBZS GEWQ CNGG REA", "ciphertext": "GUSZ RFFO TSJO FNNQ RSAP HGAB GFSQ HESG USCY NLTO WEQV CVRE SAPE LCGF CNWE FBTY RGGR EFFV ZHYG OARB HFYL SAGE BCLZ ROFH ESFH AQRE GOVA GLWA OQWF GEVP HGWB AEBH GSNW CVRE FESO RNUE VRVA NCER FQEV PSQU SBZS GEWQ CNGG REA", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "porta", "cipher": "porta", "key": {"key": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "lorenz-v2-0159", "text": "NORTHSTARHOLDSFIRMCOURSG", "ciphertext": "NORTHSTARHOLDSFIRMCOURSG", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0244", "text": "ZXRHWZHKUNTSXBZCTH", "ciphertext": "ZXRHWZHKUNTSXBZCTH", "plaintext": "GRAVITY EXPLAINS ALL", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015135", "text": "BAABA AABBB AABAA BAABB ABAAA AABBA AABAA ABBAA AABAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB AAAAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA BABAA ABBAB BAAAA AAABB BAABA AABBB AABAA AAAAA BAABB BAABA ABBAB ABAAB AABAA BABBA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA BABAB BAABA AABAA ABBAA AAABB BAAAB BAABA AABBB AABAA ABAAB AABAA BABBA BABAA ABAAA BAABA AABBB BAABA AABBB AABAA ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABAA BABAB BAABA ABAAA BAABA BAAAB AABAA ABABA AABAB AAAAA ABABA BABAA AAAAA BABBA BAAAB", "ciphertext": "BAABA AABBB AABAA BAABB ABAAA AABBA AABAA ABBAA AABAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB AAAAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA BABAA ABBAB BAAAA AAABB BAABA AABBB AABAA AAAAA BAABB BAABA ABBAB ABAAB AABAA BABBA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA BABAB BAABA AABAA ABBAA AAABB BAAAB BAABA AABBB AABAA ABAAB AABAA BABBA BABAA ABAAA BAABA AABBB BAABA AABBB AABAA ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABAA BABAB BAABA ABAAA BAABA BAAAB AABAA ABABA AABAB AAAAA ABABA BABAA AAAAA BABBA BAAAB", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF ALWAYS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 475, "length": 475, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "geez-monastic-213", "text": "KOEGYDJKOQYMBEOSWEKGUESPQZUESPQKZEDU", "ciphertext": "KOEGYDJKOQYMBEOSWEKGUESPQZUESPQKZEDU", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-124", "text": "6838882390843956824868137", "ciphertext": "6838882390843956824868137", "plaintext": "CIPHER KEY CHANGED", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0003822", "text": "PZYAL RENSG EABOG GAOOT IJEAW RNGLD LEYHG CWFWG MRJNI", "ciphertext": "PZYAL RENSG EABOG GAOOT IJEAW RNGLD LEYHG CWFWG MRJNI", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "beaufort", "cipher": "beaufort", "key": {"key": "PRAYER"}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "kryptos-v2-0004", "text": "FMFEWRQZIEJTIY", "ciphertext": "FMFEWRQZIEJTIY", "plaintext": "STORM THE BREACH", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0202", "text": "SATGYONGREDYUFZYFGJQXLVKBLABTVMTQUNDPNLTNUVHCCQDAOICIEHSJHTAQURJSFUMJQLVIKYGQLEINYALFMCVIHJWXNBJKXDYCBVGEFGJXHPPMAHPFKDYPWVNAOYPAGAPWOIRUSSSHEVVOFGMTZYOMLAWDQHZ", "ciphertext": "SATGYONGREDYUFZYFGJQXLVKBLABTVMTQUNDPNLTNUVHCCQDAOICIEHSJHTAQURJSFUMJQLVIKYGQLEINYALFMCVIHJWXNBJKXDYCBVGEFGJXHPPMAHPFKDYPWVNAOYPAGAPWOIRUSSSHEVVOFGMTZYOMLAWDQHZ", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016765", "text": "ALAN XURI NGBR OKEE NIGX AWIT HCRI BSAN DTHE BOMB EMAC HINE DD", "ciphertext": "ALAN XURI NGBR OKEE NIGX AWIT HCRI BSAN DTHE BOMB EMAC HINE DD", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "vic-v2-0076", "text": "909287872952838680900493805808086692918949183186908118991089808074959018629543483918980909287872951895898048491089192820283868090", "ciphertext": "909287872952838680900493805808086692918949183186908118991089808074959018629543483918980909287872951895898048491089192820283868090", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 129, "length": 129, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0115", "text": "UUHDALJUUXURIRDUNHAJIBSMJYXUHIUBCIGDOAVUOGOQAGCENJLYBGKEPIIQEJVUVUJBUYQIDAMJQUPIMAMOGUNEZUNOMMODMIXQEOBLZIFYGULOQULYUDCOFQURXUBOPOHUJSOEKWEKDUHIBCZIIJQELIYMBOCUC", "ciphertext": "UUHDALJUUXURIRDUNHAJIBSMJYXUHIUBCIGDOAVUOGOQAGCENJLYBGKEPIIQEJVUVUJBUYQIDAMJQUPIMAMOGUNEZUNOMMODMIXQEOBLZIFYGULOQULYUDCOFQURXUBOPOHUJSOEKWEKDUHIBCZIIJQELIYMBOCUC", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0612", "text": "IPXJAMMDPVGAWMLCTVAALGELSMJVGJEMGSNIPGKQEMDQSIPXJETPQANEPESSGMJRTPWEJXCJWALDWEEURJPMSNLJRAPSEGSHPSMDRMCJPAQEEURKVXKPGSGSJPSMJRIWMGFQMQQEPVXKVSSGDPMHXJEVQXSKVPELKPNASJ", "ciphertext": "IPXJAMMDPVGAWMLCTVAALGELSMJVGJEMGSNIPGKQEMDQSIPXJETPQANEPESSGMJRTPWEJXCJWALDWEEURJPMSNLJRAPSEGSHPSMDRMCJPAQEEURKVXKPGSGSJPSMJRIWMGFQMQQEPVXKVSSGDPMHXJEVQXSKVPELKPNASJ", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 166, "length": 166, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0116", "text": "AZKNHIRL", "ciphertext": "AZKNHIRL", "plaintext": "DEUS VULT", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 8, "length": 8, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0251", "text": "LWXTANWGVWAPTLBWUFHOEIQGOAENEGXRQDPHGKRERTMSWMHNENEGBDTJMMFZPEBRGDZSTAKVNAVZPLMLBWFMRLTXATNHJZIRWMFUQXEBINCLSDZLAVJPJLRZPWNXFFFIQMOLYLBYPJWAWDTUPOAVZLAUDMSTHSKIKJIQTFEBEZNJ", "ciphertext": "LWXTANWGVWAPTLBWUFHOEIQGOAENEGXRQDPHGKRERTMSWMHNENEGBDTJMMFZPEBRGDZSTAKVNAVZPLMLBWFMRLTXATNHJZIRWMFUQXEBINCLSDZLAVJPJLRZPWNXFFFIQMOLYLBYPJWAWDTUPOAVZLAUDMSTHSKIKJIQTFEBEZNJ", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RENAISSANCE"}, "difficulty": "intermediate", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017856", "text": "ZYKZ KPKS RXOL XZCR HAUJ CLLE EQOJ TLHS YCNB FDUM AVBN SNHB JXVK VAH", "ciphertext": "ZYKZ KPKS RXOL XZCR HAUJ CLLE EQOJ TLHS YCNB FDUM AVBN SNHB JXVK VAH", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-0482", "text": "ETFATNRUDEIFNQSMHLRSTQMECUCSEIEAEUMSTAEITECTRRSATDRRTLEIAEITAAOTIGPCAIEWIHRNHNEOCNRDIO", "ciphertext": "ETFATNRUDEIFNQSMHLRSTQMECUCSEIEAEUMSTAEITECTRRSATDRRTLEIAEITAAOTIGPCAIEWIHRNHNEOCNRDIO", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0226", "text": "ECPLNSPCJTYESPNZFCE", "ciphertext": "ECPLNSPCJTYESPNZFCE", "plaintext": "TREACHERY IN THE COURT", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0117", "text": "MMWYEFCWWOKROWKNXRYNJYLKNJKCEYKNZPTJMWASNREUJVMEDJYPWEPSYGTJYSJORDALZKAAZNZPLKJNHOPANIJTLEDJUZWELIUSCDFWASNKNSHZLEDJKCPYKNZPEETMUZAAPJJGLXAWVZEGGZJGDGNHZOACRJNNAXZVWSSYKWCSJNDVHSB", "ciphertext": "MMWYEFCWWOKROWKNXRYNJYLKNJKCEYKNZPTJMWASNREUJVMEDJYPWEPSYGTJYSJORDALZKAAZNZPLKJNHOPANIJTLEDJUZWELIUSCDFWASNKNSHZLEDJKCPYKNZPEETMUZAAPJJGLXAWVZEGGZJGDGNHZOACRJNNAXZVWSSYKWCSJNDVHSB", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0107", "text": "90 55 85 27 63 91 90 67 18 53 91 90 81 25 15 91 90 12 79 54 30 45 91 90 84 66 91 90 85 81 76 91 90 41 47 89 91", "ciphertext": "90 55 85 27 63 91 90 67 18 53 91 90 81 25 15 91 90 12 79 54 30 45 91 90 84 66 91 90 85 81 76 91 90 41 47 89 91", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 110, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0028", "text": "INYEFDLPKQFXSAMJE", "ciphertext": "INYEFDLPKQFXSAMJE", "plaintext": "COURAGE IN DARKNESS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0310", "text": "JXBIZBILOYQBPFIAJMKFLMYZGLBQVRTINXNVPAUQBCOZAODBPDONXGIHVSAXJYGMTHDI", "ciphertext": "JXBIZBILOYQBPFIAJMKFLMYZGLBQVRTINXNVPAUQBCOZAODBPDONXGIHVSAXJYGMTHDI", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v2-0036", "text": "31 24 12 15 42 44 54 34 42 14 15 11 44 23", "ciphertext": "31 24 12 15 42 44 54 34 42 14 15 11 44 23", "plaintext": "LIBERTY OR DEATH", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1283", "text": "LEEMK LSTM MSPW MDSTM", "ciphertext": "LEEMK LSTM MSPW MDSTM", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 15, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014817", "text": "hence unite miles array naval range extra among draft along basis lines exact order under takes point under three shore holds often under lines daily", "ciphertext": "hence unite miles array naval range extra among draft along basis lines exact order under takes point under three shore holds often under lines daily", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE MESSAGE WAS HIDDEN BUT NOT SECURE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "geez-monastic-v2-0333", "text": "VXZMQBWUJVYMONMQJGMYUWYAQMWZVYWQMUFMUFQMMNJPPWQZVCWPPZIJMYUJCJIJYTHJQLWYANQVDQMZZ", "ciphertext": "VXZMQBWUJVYMONMQJGMYUWYAQMWZVYWQMUFMUFQMMNJPPWQZVCWPPZIJMYUJCJIJYTHJQLWYANQVDQMZZ", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0007", "text": "YAEEOXGOMTFOEA", "ciphertext": "YAEEOXGOMTFOEA", "plaintext": "MARCH TO VICTORY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0089", "text": "WLECLWNMDOCMLRPMCBTTCOLGBQLGNNRCKGKRPLPCICCNSAINFQKSMTNTLEFVSINPXKNRNKCMMNQBSIIPRZUEDTOFXUEGOTEUOKXRYQEXUXZRIQNZBUUNZEVOUFUHGWEIOCGGVSQUUUGVWSYSGCQSOYDQYYOUACQLX", "ciphertext": "WLECLWNMDOCMLRPMCBTTCOLGBQLGNNRCKGKRPLPCICCNSAINFQKSMTNTLEFVSINPXKNRNKCMMNQBSIIPRZUEDTOFXUEGOTEUOKXRYQEXUXZRIQNZBUUNZEVOUFUHGWEIOCGGVSQUUUGVWSYSGCQSOYDQYYOUACQLX", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013791", "text": "4.9.11 10.49.1 17.18.9 14.2.3 20.12.9 17.13.4 13.39.15 13.3.3 9.34.10 19.7.14 5.7.15 3.44.1 2.45.3 9.20.10 4.36.15 3.30.10 7.22.8 3.46.9 1.17.5 18.47.12 20.41.5 7.33.9 20.15.2 9.26.12 9.38.8 11.38.8 3.1.2 3.47.12 9.42.9 20.10.13 18.38.3 20.37.10 7.32.1 3.23.5 18.3.10 8.49.10 1.13.7 3.8.14 15.35.12 11.12.10 15.26.1 8.10.5 10.35.9 16.34.7 4.23.12 11.50.6 6.46.1 20.3.13 17.11.3 20.14.14 10.36.7 10.43.13 5.20.7 16.44.1 16.43.3 17.18.8 5.12.2 20.13.15 17.38.15 20.23.9 18.9.3 6.31.7 16.38.9 6.49.13 17.5.8 17.16.2 19.36.8 5.45.15 20.1.7 9.19.15 13.25.2 7.36.12 4.37.3 1.4.8 8.14.2 2.28.14 5.29.10 19.28.6 8.18.3 5.9.8 2.2.4 19.45.4 17.11.5 5.3.12 12.12.11 4.16.11 14.37.3 2.25.9 2.37.7 10.11.13 8.44.4 17.42.2 6.17.8 6.37.4 2.49.11 3.45.15 6.29.4 10.18.5 1.25.3 17.28.7 7.38.15 20.27.6 15.36.10 10.33.10 5.28.6 1.5.1 2.19.3 9.16.10 13.39.6 1.15.11 6.3.8 3.33.15 4.43.9 10.26.13 20.32.3 15.17.2 12.35.1 2.14.10 9.47.10 20.26.12 20.27.10 18.26.12 6.14.6 5.49.5 17.14.13 2.10.6 9.36.14 19.45.9 11.3.7 2.18.5 12.12.15 9.42.7 16.33.6 3.16.5 11.30.6 2.35.2 17.31.1 14.35.2 2.40.3 13.27.14 15.25.7 20.38.12 3.18.11 4.45.7 5.25.13 4.36.2 5.46.13 11.24.9 11.34.14 1.24.10 17.49.1 4.25.7 12.39.14 6.32.14 18.41.2 17.28.10 5.39.12 1.24.5 5.35.8 3.22.8 11.12.11 6.50.5", "ciphertext": "4.9.11 10.49.1 17.18.9 14.2.3 20.12.9 17.13.4 13.39.15 13.3.3 9.34.10 19.7.14 5.7.15 3.44.1 2.45.3 9.20.10 4.36.15 3.30.10 7.22.8 3.46.9 1.17.5 18.47.12 20.41.5 7.33.9 20.15.2 9.26.12 9.38.8 11.38.8 3.1.2 3.47.12 9.42.9 20.10.13 18.38.3 20.37.10 7.32.1 3.23.5 18.3.10 8.49.10 1.13.7 3.8.14 15.35.12 11.12.10 15.26.1 8.10.5 10.35.9 16.34.7 4.23.12 11.50.6 6.46.1 20.3.13 17.11.3 20.14.14 10.36.7 10.43.13 5.20.7 16.44.1 16.43.3 17.18.8 5.12.2 20.13.15 17.38.15 20.23.9 18.9.3 6.31.7 16.38.9 6.49.13 17.5.8 17.16.2 19.36.8 5.45.15 20.1.7 9.19.15 13.25.2 7.36.12 4.37.3 1.4.8 8.14.2 2.28.14 5.29.10 19.28.6 8.18.3 5.9.8 2.2.4 19.45.4 17.11.5 5.3.12 12.12.11 4.16.11 14.37.3 2.25.9 2.37.7 10.11.13 8.44.4 17.42.2 6.17.8 6.37.4 2.49.11 3.45.15 6.29.4 10.18.5 1.25.3 17.28.7 7.38.15 20.27.6 15.36.10 10.33.10 5.28.6 1.5.1 2.19.3 9.16.10 13.39.6 1.15.11 6.3.8 3.33.15 4.43.9 10.26.13 20.32.3 15.17.2 12.35.1 2.14.10 9.47.10 20.26.12 20.27.10 18.26.12 6.14.6 5.49.5 17.14.13 2.10.6 9.36.14 19.45.9 11.3.7 2.18.5 12.12.15 9.42.7 16.33.6 3.16.5 11.30.6 2.35.2 17.31.1 14.35.2 2.40.3 13.27.14 15.25.7 20.38.12 3.18.11 4.45.7 5.25.13 4.36.2 5.46.13 11.24.9 11.34.14 1.24.10 17.49.1 4.25.7 12.39.14 6.32.14 18.41.2 17.28.10 5.39.12 1.24.5 5.35.8 3.22.8 11.12.11 6.50.5", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES A STRONG CLAIM NEEDS STRONG EVIDENCE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 162, "length": 162, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "null-cipher-v3-0009", "text": "right each new down each right usra name then of come at each show any right", "ciphertext": "right each new down each right usra name then of come at each show any right", "plaintext": "RENDER UNTO CAESAR", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "first"}, "difficulty": "advanced", "language": "en", "text_length": 61, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0355", "text": "OUETRGQWFJREMWIKXEJFYAHBXOLCLKLXQMIAQTUWVHZOUHEWUFDNLJTSKFMIGTRUWCLYMYMNERXCRDSJ", "ciphertext": "OUETRGQWFJREMWIKXEJFYAHBXOLCLKLXQMIAQTUWVHZOUHEWUFDNLJTSKFMIGTRUWCLYMYMNERXCRDSJ", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-174", "text": "TEOEEIUHCNIEREATGOERGMSWMHEYSYDNCRRLHTXXCGYDAIYESTKENNHTSOPCIWRAX", "ciphertext": "TEOEEIUHCNIEREATGOERGMSWMHEYSYDNCRRLHTXXCGYDAIYESTKENNHTSOPCIWRAX", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 65, "length": 65, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v2-0270", "text": "WSAYLMATNAIIG", "ciphertext": "WSAYLMATNAIIG", "plaintext": "AWAIT MY SIGNAL", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0309", "text": "TGKNGBOQERFTMCUQGTIRHDDSSTRQTGGVGMALOQIGTTVUBQCNQOCSQHQURRLBQHFAHDASELDUGSGKXW", "ciphertext": "TGKNGBOQERFTMCUQGTIRHDDSSTRQTGGVGMALOQIGTTVUBQCNQOCSQHQURRLBQHFAHDASELDUGSGKXW", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0140", "text": "KLVOMNTFWAAWFJ", "ciphertext": "KLVOMNTFWAAWFJ", "plaintext": "PRESS THE ATTACK", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-095", "text": "UCEPIXFOJKIPSUTXKXFOMFBTUWPSPTXFIOOUTXKKCO", "ciphertext": "UCEPIXFOJKIPSUTXKXFOMFBTUWPSPTXFIOOUTXKKCO", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-v3-0241", "text": "LWYKMMAVVAPM", "ciphertext": "LWYKMMAVVAPM", "plaintext": "YANKEE DOODLE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0589", "text": "IIEWIRQTYGBNOPSOGRAGLUWGVKHKTNFKTNOGFVRZOVQCEZHRUJAVDRDIFGFZRIEUTGHEITSAJCIYVGHOT", "ciphertext": "IIEWIRQTYGBNOPSOGRAGLUWGVKHKTNFKTNOGFVRZOVQCEZHRUJAVDRDIFGFZRIEUTGHEITSAJCIYVGHOT", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022121", "text": "ZHGIL MTXOZ RNMVV WHHGI LMTVE RWVMX VKLOB ZOKSZ YVGRX XRKSV IHFHV NFOGR KOVZO KSZYV GHSRU GHGSV ZIXSR GVXGF IVHSL FOWNZ PVNRH FHVSZ IWVIG SVUIR VWNZM GVHGF HVHGS VRMWV CLUXL RMXRW VMXVG LVHGR NZGVP VBOVM TGS", "ciphertext": "ZHGIL MTXOZ RNMVV WHHGI LMTVE RWVMX VKLOB ZOKSZ YVGRX XRKSV IHFHV NFOGR KOVZO KSZYV GHSRU GHGSV ZIXSR GVXGF IVHSL FOWNZ PVNRH FHVSZ IWVIG SVUIR VWNZM GVHGF HVHGS VRMWV CLUXL RMXRW VMXVG LVHGR NZGVP VBOVM TGS", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 173, "length": 173, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v3-1132", "text": "WBAK DK SBA ULTPQA LG BTJCK AVAKSQ DS OAULJAQ KAUAQQCPY GLP LKA MALMIA SL RDQQLIVA SBA MLIDSDUCI OCKRQ WBDUB BCVA ULKKAUSAR SBAJ WDSB CKLSBAP SBAY QBLTIR RAUICPA SBA UCTQAQ WBDUB DJMAI SBA QAMCPCSDLK", "ciphertext": "WBAK DK SBA ULTPQA LG BTJCK AVAKSQ DS OAULJAQ KAUAQQCPY GLP LKA MALMIA SL RDQQLIVA SBA MLIDSDUCI OCKRQ WBDUB BCVA ULKKAUSAR SBAJ WDSB CKLSBAP SBAY QBLTIR RAUICPA SBA UCTQAQ WBDUB DJMAI SBA QAMCPCSDLK", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "beginner", "language": "en", "text_length": 167, "length": 199, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-043", "text": "KCEWETMZWFMQOYGVINUACUZJBSWBUBJBYJIMQKBSWBWXZJER", "ciphertext": "KCEWETMZWFMQOYGVINUACUZJBSWBUBJBYJIMQKBSWBWXZJER", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013821", "text": "URXJ YVAY MRQS SCDX TTEN BQJR OLHT HKDM IPGJ M", "ciphertext": "URXJ YVAY MRQS SCDX TTEN BQJR OLHT HKDM IPGJ M", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "purple-v3-0037", "text": "AWMYBYVSJNCTUJLEFIL", "ciphertext": "AWMYBYVSJNCTUJLEFIL", "plaintext": "THE TELESCOPE REVEALS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0363", "text": "MLSTEWJPGRQQYYBJPGLMAQQBBKRAKEWTGFYWJWLYPAQWYAPPYNMNWYGJPGEYYESTGDUYQWLYMGJQUYPWLYQAVMBTIYWFNKEWJQYTBGLYUUGYAPPYMBIUBRMUGNKIYAAFPMYGFMKLYAEPBFYNAKGGJQUGFAKIUWDYUSHQBAEWAB", "ciphertext": "MLSTEWJPGRQQYYBJPGLMAQQBBKRAKEWTGFYWJWLYPAQWYAPPYNMNWYGJPGEYYESTGDUYQWLYMGJQUYPWLYQAVMBTIYWFNKEWJQYTBGLYUUGYAPPYMBIUBRMUGNKIYAAFPMYGFMKLYAEPBFYNAKGGJQUGFAKIUWDYUSHQBAEWAB", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0363", "text": "VZTLIZZBMEFQPKFYLNMUUTJZWFNBDCKZAEEHPACJOJTPRCPGLRISLLJKBDGICJUUWMLBZQKRLEKPCHMCYLFANZJZCCZLFFSRSMVTZIJABXITDVTSGZVPXMUOXYIFEDHNFTSEDDUTXMVGUSRGNOWL", "ciphertext": "VZTLIZZBMEFQPKFYLNMUUTJZWFNBDCKZAEEHPACJOJTPRCPGLRISLLJKBDGICJUUWMLBZQKRLEKPCHMCYLFANZJZCCZLFFSRSMVTZIJABXITDVTSGZVPXMUOXYIFEDHNFTSEDDUTXMVGUSRGNOWL", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "GOTHIC"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016843", "text": "20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15 6 12 5 20 20 5 18 19 19 9 13 21 12 20 1 14 5 15 21 19 12 25 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19", "ciphertext": "20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15 6 12 5 20 20 5 18 19 19 9 13 21 12 20 1 14 5 15 21 19 12 25 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 104, "length": 104, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0020024", "text": "20.48.14 18.14.8 14.29.14 10.34.3 15.19.5 11.41.13 10.35.1 13.17.10 6.35.14 15.41.15 18.16.13 9.44.9 8.25.9 18.11.13 14.49.3 14.10.6 12.4.12 6.7.6 2.10.1 5.44.2 5.20.8 9.15.2 4.5.4 7.36.1 16.43.11 9.23.1 16.28.3 15.16.11 14.38.6 13.9.8 10.6.15 13.38.14 2.29.6 20.19.4 20.27.13 6.40.8 16.13.11 2.11.7 15.22.12 11.14.9 4.17.12 20.5.14 5.44.1 16.23.1 9.21.2 7.10.5 8.33.4 7.46.12 20.37.4 2.15.12 19.29.15 6.22.9 3.23.10 4.31.10 9.38.14 1.34.10 20.36.10 1.3.13 10.18.9 4.24.12 3.26.6 20.24.13 12.24.8 17.47.12 16.24.9 16.33.3 11.48.2 14.1.12 11.42.5 11.35.8 18.40.13 19.46.14 5.47.12 19.44.15 20.43.7 14.46.15 11.3.13 17.21.3 10.8.9 4.18.10 13.8.5 2.31.12 11.38.7 18.1.5 17.37.5 2.18.13 5.5.12 1.32.7 3.46.7 9.20.10 4.46.3 9.39.5 15.4.4 19.25.8 13.20.3 4.44.3 9.3.9 7.29.15 6.50.6 12.40.1 4.23.6 17.2.10 20.36.3 20.18.2 3.20.9 2.33.3 14.13.10 17.21.6 16.7.14 20.17.7 4.48.9 4.26.7 19.41.6 11.1.7 10.28.7 9.34.3 9.33.14 12.15.10 5.45.15 19.13.1 2.8.4 17.49.5 5.8.12 20.46.4 12.17.3 19.29.7 3.14.1 9.34.11 14.29.12 9.39.12 8.28.1 10.45.15 1.43.3 18.11.8 6.36.5 5.10.15 3.10.10 4.24.8 2.28.8 2.32.13 16.25.2 1.8.6 16.45.8 11.27.7 8.10.1 11.13.2 9.20.10 11.11.1 6.38.1 15.34.7 9.11.1 19.24.1 14.38.14 4.37.11 19.38.10 7.14.2 19.46.12 3.8.15 15.30.9 19.48.5 13.27.12 20.49.15 13.48.13 4.37.9 1.41.4 3.29.11 14.4.14 17.49.4 1.42.12 11.28.11 11.41.14 13.28.12 16.1.8 7.36.3 9.9.3", "ciphertext": "20.48.14 18.14.8 14.29.14 10.34.3 15.19.5 11.41.13 10.35.1 13.17.10 6.35.14 15.41.15 18.16.13 9.44.9 8.25.9 18.11.13 14.49.3 14.10.6 12.4.12 6.7.6 2.10.1 5.44.2 5.20.8 9.15.2 4.5.4 7.36.1 16.43.11 9.23.1 16.28.3 15.16.11 14.38.6 13.9.8 10.6.15 13.38.14 2.29.6 20.19.4 20.27.13 6.40.8 16.13.11 2.11.7 15.22.12 11.14.9 4.17.12 20.5.14 5.44.1 16.23.1 9.21.2 7.10.5 8.33.4 7.46.12 20.37.4 2.15.12 19.29.15 6.22.9 3.23.10 4.31.10 9.38.14 1.34.10 20.36.10 1.3.13 10.18.9 4.24.12 3.26.6 20.24.13 12.24.8 17.47.12 16.24.9 16.33.3 11.48.2 14.1.12 11.42.5 11.35.8 18.40.13 19.46.14 5.47.12 19.44.15 20.43.7 14.46.15 11.3.13 17.21.3 10.8.9 4.18.10 13.8.5 2.31.12 11.38.7 18.1.5 17.37.5 2.18.13 5.5.12 1.32.7 3.46.7 9.20.10 4.46.3 9.39.5 15.4.4 19.25.8 13.20.3 4.44.3 9.3.9 7.29.15 6.50.6 12.40.1 4.23.6 17.2.10 20.36.3 20.18.2 3.20.9 2.33.3 14.13.10 17.21.6 16.7.14 20.17.7 4.48.9 4.26.7 19.41.6 11.1.7 10.28.7 9.34.3 9.33.14 12.15.10 5.45.15 19.13.1 2.8.4 17.49.5 5.8.12 20.46.4 12.17.3 19.29.7 3.14.1 9.34.11 14.29.12 9.39.12 8.28.1 10.45.15 1.43.3 18.11.8 6.36.5 5.10.15 3.10.10 4.24.8 2.28.8 2.32.13 16.25.2 1.8.6 16.45.8 11.27.7 8.10.1 11.13.2 9.20.10 11.11.1 6.38.1 15.34.7 9.11.1 19.24.1 14.38.14 4.37.11 19.38.10 7.14.2 19.46.12 3.8.15 15.30.9 19.48.5 13.27.12 20.49.15 13.48.13 4.37.9 1.41.4 3.29.11 14.4.14 17.49.4 1.42.12 11.28.11 11.41.14 13.28.12 16.1.8 7.36.3 9.9.3", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "fractionated-morse-234", "text": "NMTDCWVLHVWNLMXMCQDAQDTLGTMQWDDAWNBEVISACMTERVIHDLEVCDDIEDARNDQSJRCRXHCNIF", "ciphertext": "NMTDCWVLHVWNLMXMCQDAQDTLGTMQWDDAWNBEVISACMTERVIHDLEVCDDIEDARNDQSJRCRXHCNIF", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v2-0691", "text": "VAUKDHMDENLUPOULADABUMBIVAUKDHMDENLUPOULDGEOETVNMNWAQEUXBIOHKYMDENLUEVULAEEGQLUBQEEVULBICQBVDIUXBIOHKYMDENLUEVULAGTGKTVAUKDHGQGIFNTSPZNFQEFN", "ciphertext": "VAUKDHMDENLUPOULADABUMBIVAUKDHMDENLUPOULDGEOETVNMNWAQEUXBIOHKYMDENLUEVULAEEGQLUBQEEVULBICQBVDIUXBIOHKYMDENLUEVULAGTGKTVAUKDHGQGIFNTSPZNFQEFN", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 140, "length": 140, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-002", "text": "ZUZUZ HAZUZ PAZUZ GAZUZ GAZUZ XUZUZ TABAB ZUZUZ SAZUZ RAZUZ DAZUZ GAZUZ XUZUZ", "ciphertext": "ZUZUZ HAZUZ PAZUZ GAZUZ GAZUZ XUZUZ TABAB ZUZUZ SAZUZ RAZUZ DAZUZ GAZUZ XUZUZ", "plaintext": "FLEE AT ONCE", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 65, "length": 77, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v3-0006", "text": "FHRIHXWLLFXDSKYQ", "ciphertext": "FHRIHXWLLFXDSKYQ", "plaintext": "THE GATES HOLD FIRM", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0071", "text": "IESGMOOLFAEISTWTTONUISTDFWOASFAWATHNENISTTHIASARESFGDNMEBEAOEOS", "ciphertext": "IESGMOOLFAEISTWTTONUISTDFWOASFAWATHNENISTTHIASARESFGDNMEBEAOEOS", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0059", "text": "FHRVOMFKIUXIAGZXGHHWURZCAFSEETXAICHWLAIIGSFKHRUTZRXRLEOEJZIUMCEQZWLAIGXAVP", "ciphertext": "FHRVOMFKIUXIAGZXGHHWURZCAFSEETXAICHWLAIIGSFKHRUTZRXRLEOEJZIUMCEQZWLAIGXAVP", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021019", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a17⟩ ⟨a31⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a29⟩ ⟨w32⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w08⟩ ⟨a01⟩ ⟨w26⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨a11⟩ ⟨a01⟩ ⟨w10⟩ ⟨w14⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a17⟩ ⟨a31⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a29⟩ ⟨w32⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w08⟩ ⟨a01⟩ ⟨w26⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨a11⟩ ⟨a01⟩ ⟨w10⟩ ⟨w14⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 234, "length": 234, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "beaufort-025", "text": "NGGPVDEUINUDKBB", "ciphertext": "NGGPVDEUINUDKBB", "plaintext": "SILENCE IS GOLDEN", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTIFICATION"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v3-0294", "text": "AVPNEVRILXROWSOMWYQIBAPUXIJASJPOICODOWHCABIXYSOXOLUZIWTCYGZORTJYEZAAVRCOCODBUYN", "ciphertext": "AVPNEVRILXROWSOMWYQIBAPUXIJASJPOICODOWHCABIXYSOXOLUZIWTCYGZORTJYEZAAVRCOCODBUYN", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0059", "text": "DRICZIDJAPNEZIHWAEVLIZDOTWUFOQXITOOZCZAFYMKYIXHOJOGJYWMUFFIXIMKETHDVUHLOEB", "ciphertext": "DRICZIDJAPNEZIHWAEVLIZDOTWUFOQXITOOZCZAFYMKYIXHOJOGJYWMUFFIXIMKETHDVUHLOEB", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0077", "text": "QVYMLOVYJQ UZ QGL YVQ CJ OCXMIOQUXH OCRLVQ CBLVYQUCXZ KUQGCIQ YELVQUXH QGL CBBCZUQUCX QC ACIV BVLZLXOL", "ciphertext": "QVYMLOVYJQ UZ QGL YVQ CJ OCXMIOQUXH OCRLVQ CBLVYQUCXZ KUQGCIQ YELVQUXH QGL CBBCZUQUCX QC ACIV BVLZLXOL", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 88, "length": 102, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0316", "text": "ACINUQBAWAHGQHUKGQTKKDPSLFMYLAZUAHFGBJPIPYAPMWYRKMFXHHGSWIDDJYFXFOFJNSXGWQT", "ciphertext": "ACINUQBAWAHGQHUKGQTKKDPSLFMYLAZUAHFGBJPIPYAPMWYRKMFXHHGSWIDDJYFXFOFJNSXGWQT", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-062", "text": "GMIZKILAKYDB", "ciphertext": "GMIZKILAKYDB", "plaintext": "HOLD POSITION", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ZYXWVUTS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-110", "text": "THEARTOFWARISOFVITALIMPORTANGETOTHESTATEITISLIFEORDEATH", "ciphertext": "THEARTOFWARISOFVITALIMPORTANGETOTHESTATEITISLIFEORDEATH", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-097", "text": "ZGYAFBIZPIMRDVESXZPIGLWDHRMGOMDJCAGJESYZGK", "ciphertext": "ZGYAFBIZPIMRDVESXZPIGLWDHRMGOMDJCAGJESYZGK", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jefferson-disk-090", "text": "FKJDYGIIYBYXOWAHMGIIISFKFOHMZKZYOIUPVSNBTQ", "ciphertext": "FKJDYGIIYBYXOWAHMGIIISFKFOHMZKZYOIUPVSNBTQ", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "2,4,1,6,3,5"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v3-0310", "text": "SDAJBKDBSSBKMPLFAISRPLUCDSSLCASDAPSDACPABSAQSQIEAKSENEIJEKTQLNSDASWAKSEASDIAKSUPYEKBPBIASLRUEHTSDABSLJEIRLJRRANLPAKBZECAPJBKYILUHTTLQLSDAANNLPSIDBKCATSDAWLPHTNLPAVAP", "ciphertext": "SDAJBKDBSSBKMPLFAISRPLUCDSSLCASDAPSDACPABSAQSQIEAKSENEIJEKTQLNSDASWAKSEASDIAKSUPYEKBPBIASLRUEHTSDABSLJEIRLJRRANLPAKBZECAPJBKYILUHTTLQLSDAANNLPSIDBKCATSDAWLPHTNLPAVAP", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016101", "text": "intel night drive eight xerox order force claim opens inner night claim intel delay enemy north carry early miles enemy among scout until range enemy", "ciphertext": "intel night drive eight xerox order force claim opens inner night claim intel delay enemy north carry early miles enemy among scout until range enemy", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "rail-fence-v3-0262", "text": "TSPDTHESMHOMAAECAUOOEGLOERIFGNNLNNYRERTILGFTVOOHYNOEIFDTTIRHLSOOHTIN", "ciphertext": "TSPDTHESMHOMAAECAUOOEGLOERIFGNNLNNYRERTILGFTVOOHYNOEIFDTTIRHLSOOHTIN", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018720", "text": "THAN-ZIE   /   LIN   /   DZEH   /   CLA-GI-AIH   /   DIBEH-YAZZIE   /   WOL-LA-CHEE   /   TSAH-AS-ZIH   /   MA-E   /   WOL-LA-CHEE   /   TKIN   /   GAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   TKIN   /   GAH   /   DIBEH   /   A-KHA   /   MA-E   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   DIBEH   /   DIBEH", "ciphertext": "THAN-ZIE   /   LIN   /   DZEH   /   CLA-GI-AIH   /   DIBEH-YAZZIE   /   WOL-LA-CHEE   /   TSAH-AS-ZIH   /   MA-E   /   WOL-LA-CHEE   /   TKIN   /   GAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   TKIN   /   GAH   /   DIBEH   /   A-KHA   /   MA-E   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   DIBEH   /   DIBEH", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 224, "length": 224, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v3-0047", "text": "84802046724257238731602028287620927357428122241224252042008324281292038370500100853523202356472312972042118374203452320748231", "ciphertext": "84802046724257238731602028287620927357428122241224252042008324281292038370500100853523202356472312972042118374203452320748231", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 125, "length": 125, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v2-0084", "text": "998 810 813 814 822 811 804 803 806 804 999 998 822 808 819 807 814 820 819 999 998 822 808 818 803 814 812 999 106 105 998 803 800 813 806 804 817 814 820 818 999 998 819 807 808 813 806 999 102 998 822 808 818 803 814 812 999 998 822 808 819 807 814 820 819 999 998 802 814 820 817 800 806 804 999 106 998 820 811 819 808 812 800 819 804 811 824 999 998 822 814 817 819 807 811 804 818 818 999", "ciphertext": "998 810 813 814 822 811 804 803 806 804 999 998 822 808 819 807 814 820 819 999 998 822 808 818 803 814 812 999 106 105 998 803 800 813 806 804 817 814 820 818 999 998 819 807 808 813 806 999 102 998 822 808 818 803 814 812 999 998 822 808 819 807 814 820 819 999 998 802 814 820 817 800 806 804 999 106 998 820 811 819 808 812 800 819 804 811 824 999 998 822 814 817 819 807 811 804 818 818 999", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 297, "length": 395, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-209", "text": "LAONLSCWLEKOGTDA", "ciphertext": "LAONLSCWLEKOGTDA", "plaintext": "LOCK DOWN ALL GATES", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "running-key-v3-0028", "text": "ICHKXKFITVODCJYFCITYWWNWHYJ", "ciphertext": "ICHKXKFITVODCJYFCITYWWNWHYJ", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Gettysburg Address opening"}, "difficulty": "intermediate", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0110", "text": "AGAAFDADFAFGDXADGDFXGFGGAAGA", "ciphertext": "AGAAFDADFAFGDXADGDFXGFGGAAGA", "plaintext": "THE SIEGE BEGINS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0181", "text": "WOROKNOWLEDGLTRONROGEHOWSILTYECVDFOENWBLSFXKEDHRVKTHOUYFLYICIHSMTHBLSFXKEDHREQPOLF", "ciphertext": "WOROKNOWLEDGLTRONROGEHOWSILTYECVDFOENWBLSFXKEDHRVKTHOUYFLYICIHSMTHBLSFXKEDHREQPOLF", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1165", "text": "EYFBDKHRPAVQ", "ciphertext": "EYFBDKHRPAVQ", "plaintext": "VENI VIDI VICI", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v3-0121", "text": "JDIRINFMTPLDV", "ciphertext": "JDIRINFMTPLDV", "plaintext": "THE APPLE FALLS", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0814", "text": "NJHDXJNUVDJJWCZTJKGBCUMDNIRZMYENKPAFGLVTSNXMEPAFAAEOAZMIYLNAASYPAXPV", "ciphertext": "NJHDXJNUVDJJWCZTJKGBCUMDNIRZMYENKPAFGLVTSNXMEPAFAAEOAZMIYLNAASYPAXPV", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ANCHOR"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021291", "text": "19.40.2 4.19.1 10.18.9 10.20.9 15.19.5 3.46.6 9.35.8 11.8.6 2.22.1 3.25.5 5.41.3 20.50.3 6.42.9 18.49.1 4.7.2 6.35.13 16.27.6 20.35.7 13.5.7 2.10.6 6.24.3 11.25.15 4.10.11 10.20.2 6.37.15 3.40.4 15.6.8 12.35.5 4.18.4 3.49.11 8.14.10 9.15.1 12.29.5 10.5.2 5.27.4 17.8.3 1.2.10 17.17.1 3.22.5 12.20.3 6.24.11 1.31.5 6.4.11 9.32.1 10.44.13 8.8.14 8.6.11 5.31.7 5.45.6 10.12.14 11.38.10 19.11.2 9.11.10 6.11.5 10.31.3 15.33.9 18.47.2 20.30.6 18.47.2 7.48.6 2.19.6 17.31.10 2.40.2 19.10.14 16.30.8 15.13.9 11.35.5 2.22.10 16.11.5 13.32.7 20.27.6 18.16.9 9.35.12 12.4.1 10.14.11 18.38.11 9.11.15 9.36.2 18.29.9 16.18.1 14.26.13 11.3.8 17.27.11 17.18.6 4.38.14 3.14.5 12.21.10 19.10.15 10.30.8 6.50.7 20.32.11 15.3.3 1.32.15 12.12.6 18.43.11 12.17.7 12.2.3 14.24.3 9.12.1 12.10.8 3.45.3 4.45.12 3.29.13 4.14.10 8.35.9 7.27.14 17.23.6 14.42.9 19.35.10 3.47.14 18.13.5", "ciphertext": "19.40.2 4.19.1 10.18.9 10.20.9 15.19.5 3.46.6 9.35.8 11.8.6 2.22.1 3.25.5 5.41.3 20.50.3 6.42.9 18.49.1 4.7.2 6.35.13 16.27.6 20.35.7 13.5.7 2.10.6 6.24.3 11.25.15 4.10.11 10.20.2 6.37.15 3.40.4 15.6.8 12.35.5 4.18.4 3.49.11 8.14.10 9.15.1 12.29.5 10.5.2 5.27.4 17.8.3 1.2.10 17.17.1 3.22.5 12.20.3 6.24.11 1.31.5 6.4.11 9.32.1 10.44.13 8.8.14 8.6.11 5.31.7 5.45.6 10.12.14 11.38.10 19.11.2 9.11.10 6.11.5 10.31.3 15.33.9 18.47.2 20.30.6 18.47.2 7.48.6 2.19.6 17.31.10 2.40.2 19.10.14 16.30.8 15.13.9 11.35.5 2.22.10 16.11.5 13.32.7 20.27.6 18.16.9 9.35.12 12.4.1 10.14.11 18.38.11 9.11.15 9.36.2 18.29.9 16.18.1 14.26.13 11.3.8 17.27.11 17.18.6 4.38.14 3.14.5 12.21.10 19.10.15 10.30.8 6.50.7 20.32.11 15.3.3 1.32.15 12.12.6 18.43.11 12.17.7 12.2.3 14.24.3 9.12.1 12.10.8 3.45.3 4.45.12 3.29.13 4.14.10 8.35.9 7.27.14 17.23.6 14.42.9 19.35.10 3.47.14 18.13.5", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 111, "length": 111, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0252", "text": "ZVMGFPFKLJUPTZSGYLRBHTBYUCSYKNAYIRCDBQBXZSZYWKXKELPQUGXAWDOUTKPXYTBCIHSCNZXFIJSBBTUYJQEBKJZHJLFTULZJPJNGEVFQONTFVPQQLPUGHTLZHNZMONCSXQIJRARCHNFJAKSDKIYQVPQUVLUNOKCOGGBWZTVAWCOAHIP", "ciphertext": "ZVMGFPFKLJUPTZSGYLRBHTBYUCSYKNAYIRCDBQBXZSZYWKXKELPQUGXAWDOUTKPXYTBCIHSCNZXFIJSBBTUYJQEBKJZHJLFTULZJPJNGEVFQONTFVPQQLPUGHTLZHNZMONCSXQIJRARCHNFJAKSDKIYQVPQUVLUNOKCOGGBWZTVAWCOAHIP", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016088", "text": "858 823 812 999 804 812 855 857 999 835 813 854 855 844 840 855 999 855 821 842 867 999 868 823 813 851 814 999 857 822 812 999 837 814 859 823 842 811 999 815 800 826 833 854 999 807 844 835 860 836 840 800 851 999 857 853 800 839 856 847 843 855 824 859 824 844 839 999 852 814 800 809 854 999 808 844 834 860 836 841 856 999 825 839 999 832 812 874 999 843 853 811 813 853 999", "ciphertext": "858 823 812 999 804 812 855 857 999 835 813 854 855 844 840 855 999 855 821 842 867 999 868 823 813 851 814 999 857 822 812 999 837 814 859 823 842 811 999 815 800 826 833 854 999 807 844 835 860 836 840 800 851 999 857 853 800 839 856 847 843 855 824 859 824 844 839 999 852 814 800 809 854 999 808 844 834 860 836 841 856 999 825 839 999 832 812 874 999 843 853 811 813 853 999", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "pigpen-015", "text": "┤• ┌• ┼ ┐• ⌐ ╳ ┐ ┤• ┼• ┴ ┼ ┌ ┐ ┼• ╲", "ciphertext": "┤• ┌• ┼ ┐• ⌐ ╳ ┐ ┤• ┼• ┴ ┼ ┌ ┐ ┼• ╲", "plaintext": "OPERATION BEGINS", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 21, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v3-0163", "text": "UUTLOKUMMPTSTGWEXMRWLMZKLZMNXJDQGMCWEAXMSBWVKSKMXXXQIKZCMQTWXQPVGZLOVOBHBS", "ciphertext": "UUTLOKUMMPTSTGWEXMRWLMZKLZMNXJDQGMCWEAXMSBWVKSKMXXXQIKZCMQTWXQPVGZLOVOBHBS", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0295", "text": "ELZJVMFTMMUALRGSPYGUJDQCJZBVQKORYLLJVYQJKFFMZXSOJNVNWZN", "ciphertext": "ELZJVMFTMMUALRGSPYGUJDQCJZBVQKORYLLJVYQJKFFMZXSOJNVNWZN", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006696", "text": "GENA FCBF VGVB APVC UREF ERNE ENAT RYRG GREF JVGU BHGF HOFG VGHG VBAG URBA RGVZ RCNQ VFGU RBER GVPN YYLH AOER NXNO YRVS HFRQ PBEE RPGY LGUR XNFV FXVR KNZV ANGV BASV AQFE RCRN GRQG EVTE NZFV APVC UREG RKG", "ciphertext": "GENA FCBF VGVB APVC UREF ERNE ENAT RYRG GREF JVGU BHGF HOFG VGHG VBAG URBA RGVZ RCNQ VFGU RBER GVPN YYLH AOER NXNO YRVS HFRQ PBEE RPGY LGUR XNFV FXVR KNZV ANGV BASV AQFE RCRN GRQG EVTE NZFV APVC UREG RKG", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 163, "length": 163, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0196", "text": "THEHEAVENSDECLARETHEGLOTYOFGODANDTHEFIRMAMENTSHOWETHFOTTHHISHANDIWORKEACHNIGHT", "ciphertext": "THEHEAVENSDECLARETHEGLOTYOFGODANDTHEFIRMAMENTSHOWETHFOTTHHISHANDIWORKEACHNIGHT", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0413", "text": "OEJWYVXGDBDS", "ciphertext": "OEJWYVXGDBDS", "plaintext": "IN GOD WE TRUST", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0690", "text": "HLIHIBNTABKQBYLYWDSFFSURIIIZNMKZKQNWPVDBVEMBYFVPUQIAWUNSFMCLYYZWRDAPNEXVHR", "ciphertext": "HLIHIBNTABKQBYLYWDSFFSURIIIZNMKZKQNWPVDBVEMBYFVPUQIAWUNSFMCLYYZWRDAPNEXVHR", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "STU"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-055", "text": "TRTMZKTDMTOCPKPFTTBTMPSATRTMZDEATCPKPGMTPFTMICEKTTFKOCTOMYOC", "ciphertext": "TRTMZKTDMTOCPKPFTTBTMPSATRTMZDEATCPKPGMTPFTMICEKTTFKOCTOMYOC", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "GEEZ"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-v2-0001", "text": "UXHPGJFMJSWU", "ciphertext": "UXHPGJFMJSWU", "plaintext": "THE DIE IS CAST", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NELSON"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-004", "text": "NIGKIOZCJDEHRBKRCTPM", "ciphertext": "NIGKIOZCJDEHRBKRCTPM", "plaintext": "RENDEZVOUS AT MIDNIGHT", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Declaration of Independence (opening)"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-de-014", "text": "RALRARGLQCMBPKDPUIVIZNIZSWOCZCFZ", "ciphertext": "RALRARGLQCMBPKDPUIVIZNIZSWOCZCFZ", "plaintext": "DER ANGRIFF BEGINNT BEI MORGENGRAUEN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "de", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0009595", "text": "CPHUS XRYHL AEMIX XTORS SSDYX XMETI CERAX XTNAA LCSTX XEEHC IWCRX", "ciphertext": "CPHUS XRYHL AEMIX XTORS SSDYX XMETI CERAX XTNAA LCSTX XEEHC IWCRX", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgx-v3-0153", "text": "ADDAGADFAFFADFAFAGGGAFFADDXFFDDDXAGAGFFGFDFAGGAFXDGDAXDDAFDDXAFDAAAGDAADFGGGADDAXGAAADAAGGDDADFAXGDDFDXDFGGGXADAFAADFGFXXDGAXGDAFXAXDXAFXXAXDFDXDDFA", "ciphertext": "ADDAGADFAFFADFAFAGGGAFFADDXFFDDDXAGAGFFGFDFAGGAFXDGDAXDDAFDDXAFDAAAGDAADFGGGADDAXGAAADAAGGDDADFAXGDDFDXDFGGGXADAFAADFGFXXDGAXGDAFXAXDXAFXXAXDFDXDDFA", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013586", "text": "2583 2849 3830 3841 01034 02834 5059 2520 1614 5750 6664 5984 1580 6053 03856 2858 4425 01640 00409 05660 0341 03804 02297 01636 00702 5683 0383 06284 04711 01641 4487 00996 5705 7916 5104 6307 0705 03844 4776 01022 3539 05997 4773 01886 3798 01617 06318 6332 01620 5745 6017", "ciphertext": "2583 2849 3830 3841 01034 02834 5059 2520 1614 5750 6664 5984 1580 6053 03856 2858 4425 01640 00409 05660 0341 03804 02297 01636 00702 5683 0383 06284 04711 01641 4487 00996 5705 7916 5104 6307 0705 03844 4776 01022 3539 05997 4773 01886 3798 01617 06318 6332 01620 5745 6017", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0019525", "text": "- .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / - .... . / .- .-. -.-. .... .. - . -.-. - ..- .-. . / ... .... --- ..- .-.. -.. / -- .- -.- . / -- .. ... ..- ... . / .... .- .-. -.. . .-. / . .-. .-. --- .-. / -.-. --- .-. .-. . -.-. - .. --- -. / .- -. -.. / -.. . - . -.-. - .. --- -. / .- .-. . / ..-. ..- -. -.. .- -- . -. - .- .-.. / - --- / ... . -.-. ..- .-. . / ... -.-- ... - . -- ... / -... .-. ..- - . / ..-. --- .-. -.-. . / .-- --- .-. -.- ... / --- -. .-.. -.-- / .-- .... . -. / - .... . / -.- . -.-- / ... .--. .- -.-. . / .. ... / ... -- .- .-.. .-..", "ciphertext": "- .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / - .... . / .- .-. -.-. .... .. - . -.-. - ..- .-. . / ... .... --- ..- .-.. -.. / -- .- -.- . / -- .. ... ..- ... . / .... .- .-. -.. . .-. / . .-. .-. --- .-. / -.-. --- .-. .-. . -.-. - .. --- -. / .- -. -.. / -.. . - . -.-. - .. --- -. / .- .-. . / ..-. ..- -. -.. .- -- . -. - .- .-.. / - --- / ... . -.-. ..- .-. . / ... -.-- ... - . -- ... / -... .-. ..- - . / ..-. --- .-. -.-. . / .-- --- .-. -.- ... / --- -. .-.. -.-- / .-- .... . -. / - .... . / -.- . -.-- / ... .--. .- -.-. . / .. ... / ... -- .- .-.. .-..", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 189, "length": 189, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0003769", "text": "RIRE LFLF GRZA RRQF NAUB ARFG GUER NGZB QRYE BHGR PVCU REFE RNQN TEVQ VANC ERFP EVOR QTRB ZRGE VPCN GGRE AUVY YPVC UREH FRFY VARN ENYT ROEN GBRA PELC GOYB PXFB SYRG GREF CNGG REAJ BEQF URYC OERN XZBA BNYC UNOR GVPF HOFG VGHG VBA", "ciphertext": "RIRE LFLF GRZA RRQF NAUB ARFG GUER NGZB QRYE BHGR PVCU REFE RNQN TEVQ VANC ERFP EVOR QTRB ZRGE VPCN GGRE AUVY YPVC UREH FRFY VARN ENYT ROEN GBRA PELC GOYB PXFB SYRG GREF CNGG REAJ BEQF URYC OERN XZBA BNYC UNOR GVPF HOFG VGHG VBA", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 183, "length": 183, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "trifid-v2-0295", "text": "LOH++LPPKFFXGGI+OBLPIDWNVEXLDDSXUFLEXGMIYRXYUFOIKR+YHGC", "ciphertext": "LOH++LPPKFFXGGI+OBLPIDWNVEXLDDSXUFLEXGMIYRXYUFOIKR+YHGC", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0345", "text": "ESPALNVLRPNZYELTYDMWFPACTYEDQZCESPYPHEZCAPOZRFTOLYNPDJDEPXOPWTGPCEZLOXTCLWDXTESYZH", "ciphertext": "ESPALNVLRPNZYELTYDMWFPACTYEDQZCESPYPHEZCAPOZRFTOLYNPDJDEPXOPWTGPCEZLOXTCLWDXTESYZH", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020703", "text": ".... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  .... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .....  ... ...  . ...  ... ....  . ....  . .....  . ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  . .  .... ...  ... .....  . .  .. ....  .... ..  .... ...  ... ....  .. .  ... ...  .... .....  ... ..  . ..  . .....  .... ..  .... ...  .. .  .... ..  ... ....  ... ..  ... ....  ... ...  . .....  .... ....  ... ....  .. .  .. ....  ..... .  . .....  .... ....  .. ...  . .....  .. .  ... ....  .... .....  .... ..  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  .... ....  ..... ..  ... ....  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  .... ...", "ciphertext": ".... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  .... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .....  ... ...  . ...  ... ....  . ....  . .....  . ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  . .  .... ...  ... .....  . .  .. ....  .... ..  .... ...  ... ....  .. .  ... ...  .... .....  ... ..  . ..  . .....  .... ..  .... ...  .. .  .... ..  ... ....  ... ..  ... ....  ... ...  . .....  .... ....  ... ....  .. .  .. ....  ..... .  . .....  .... ....  .. ...  . .....  .. .  ... ....  .... .....  .... ..  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  .... ....  ..... ..  ... ....  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  .... ...", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 209, "length": 209, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "enigma-v3-0327", "text": "OQQBONIXNQTQPA", "ciphertext": "OQQBONIXNQTQPA", "plaintext": "THE SIEGE BEGINS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "JKL"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012646", "text": "5121 04749 03790 7901 00368 03790 5062 2537 00347 0674 01610 6328 02862 01019 00983 02871 5065 02525 01653 05751 06022 6661 05994 01643 4082 6629 03804 6374 02908 5078 03772 1601 00324 3854 5029 02561 00347 0689 01605 06300 6058 2606 2877 01915 6349 6004 6290 02579 01601 01954 4776 6633 05720 05973 05413 06629 0357 5662 01663 01008 02852 5033 2578 01597 05723 6606 5991 01656 6014 06315 07319 4718 3459 1651 07878 7258 4768 05743 1288 5097 4783 3859 07903 00681 2833 6665 06045 5997 05428 06655 00327 05686 01602 6008 1350 2901 1925 1884 2913 01667 00328 04424 01349 2546 01584 3864 03830 04181 00344 04446 02920 04489 06334 5721 4747 1259 06634 1010 1611 01325 5063 6612 0721 3851 2829 0987 03480 1581 07865 0993 5694 07885 05046 06329 4721 2267 05716 00389 05060 02603 7879 02875 4476 04487 2837 4406 1665 06367 01580 1576 04453 06013 01613 06981 01647 04476 06337 7949 06031 2829 7568", "ciphertext": "5121 04749 03790 7901 00368 03790 5062 2537 00347 0674 01610 6328 02862 01019 00983 02871 5065 02525 01653 05751 06022 6661 05994 01643 4082 6629 03804 6374 02908 5078 03772 1601 00324 3854 5029 02561 00347 0689 01605 06300 6058 2606 2877 01915 6349 6004 6290 02579 01601 01954 4776 6633 05720 05973 05413 06629 0357 5662 01663 01008 02852 5033 2578 01597 05723 6606 5991 01656 6014 06315 07319 4718 3459 1651 07878 7258 4768 05743 1288 5097 4783 3859 07903 00681 2833 6665 06045 5997 05428 06655 00327 05686 01602 6008 1350 2901 1925 1884 2913 01667 00328 04424 01349 2546 01584 3864 03830 04181 00344 04446 02920 04489 06334 5721 4747 1259 06634 1010 1611 01325 5063 6612 0721 3851 2829 0987 03480 1581 07865 0993 5694 07885 05046 06329 4721 2267 05716 00389 05060 02603 7879 02875 4476 04487 2837 4406 1665 06367 01580 1576 04453 06013 01613 06981 01647 04476 06337 7949 06031 2829 7568", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 161, "length": 161, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "kl7-v2-0158", "text": "GAVTWOIHIZHYS", "ciphertext": "GAVTWOIHIZHYS", "plaintext": "E PLURIBUS UNUM", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018034", "text": "06286 2514 1660 01916 5656 02899 1612 1313 4169 00335 04485 06299 1582 6012 06310 6648 05972 1666 6062 6335 02572 01585 2878 4461 1298 1614 7566 04742 01970 00999 04765 2867 04454 00946 2839 01313 01648 4424 1004 1613 6304 4742 1608 06033 6287 02859 4099 00401 06322 01636 03529 01606 07855 3780 01657 4421 02208 06323 2557", "ciphertext": "06286 2514 1660 01916 5656 02899 1612 1313 4169 00335 04485 06299 1582 6012 06310 6648 05972 1666 6062 6335 02572 01585 2878 4461 1298 1614 7566 04742 01970 00999 04765 2867 04454 00946 2839 01313 01648 4424 1004 1613 6304 4742 1608 06033 6287 02859 4099 00401 06322 01636 03529 01606 07855 3780 01657 4421 02208 06323 2557", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 59, "length": 59, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0007481", "text": "VOFDK OGUFZ GKKWI MTCUL TITMR LBBKV IRFGY WTKUP GITJI QVMEA VZGAJ VVTFU CRFUK AWZFP CZFLS WDAGY WIDTG LWQFM PJFKQ UGZCM HWTLD WPNKK FVEM", "ciphertext": "VOFDK OGUFZ GKKWI MTCUL TITMR LBBKV IRFGY WTKUP GITJI QVMEA VZGAJ VVTFU CRFUK AWZFP CZFLS WDAGY WIDTG LWQFM PJFKQ UGZCM HWTLD WPNKK FVEM", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "271828"}, "difficulty": "hard", "language": "en", "text_length": 114, "length": 114, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "copiale-037", "text": "R2 B5 B6 Z7 R6 S1 V3 C9 F9 S5 H4 N5 K9 D1 W5 Z3 B5 B6 C5 I3 S6 C6 Z7 O6 O5 Z6 K8 Z8 T6 X8 G7 U5 O5 W5 T6 R8 C7 E9 B2 D7 N9 K9", "ciphertext": "R2 B5 B6 Z7 R6 S1 V3 C9 F9 S5 H4 N5 K9 D1 W5 Z3 B5 B6 C5 I3 S6 C6 Z7 O6 O5 Z6 K8 Z8 T6 X8 G7 U5 O5 W5 T6 R8 C7 E9 B2 D7 N9 K9", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COPIALE"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 125, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-168", "text": "FCMCSIQRVAHMIZKQKLPWKFJZMCNKVESAQQKQMDRQQRBNIENPAXUHSUBJ", "ciphertext": "FCMCSIQRVAHMIZKQKLPWKFJZMCNKVESAQQKQMDRQQRBNIENPAXUHSUBJ", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 2, "b": 3, "c": 1, "d": 4}, "difficulty": "advanced", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020933", "text": "THAN ZIEL INDZ EHAK HATS AHDZ EHTH ANZI ETKI NNAA STSO SIDZ EHCL AGIA IHWO LLAC HEEB ETKI NDIB EHTH ANZI ELIN DZEH AKHA GAHD ZEHT HANZ IETK INMO ASIW OLLA CHEE DIBE HYAZ ZIED IBEH YAZZ IETS AHAS ZIHN ODAI HTSA HSHU SHGA HDZE HWOL LACH EEKL IZZI EWOL LACH EESH USHD IBEH YAZZ IEDZ EHTK IN", "ciphertext": "THAN ZIEL INDZ EHAK HATS AHDZ EHTH ANZI ETKI NNAA STSO SIDZ EHCL AGIA IHWO LLAC HEEB ETKI NDIB EHTH ANZI ELIN DZEH AKHA GAHD ZEHT HANZ IETK INMO ASIW OLLA CHEE DIBE HYAZ ZIED IBEH YAZZ IETS AHAS ZIHN ODAI HTSA HSHU SHGA HDZE HWOL LACH EEKL IZZI EWOL LACH EESH USHD IBEH YAZZ IEDZ EHTK IN", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 230, "length": 230, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "chinese-telegraph-085", "text": "2761 1953 2144 1700 2271 1571 1700 1953 2761 1823 2333 2144 1634 1700 2271", "ciphertext": "2761 1953 2144 1700 2271 1571 1700 1953 2761 1823 2333 2144 1634 1700 2271", "plaintext": "SILENCE IS GOLDEN", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "31415"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 74, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v3-0134", "text": "20 01 24 01 20 09 15 14 23 09 20 08 15 21 20 18 05 16 18 05 19 05 14 20 01 20 09 15 14", "ciphertext": "20 01 24 01 20 09 15 14 23 09 20 08 15 21 20 18 05 16 18 05 19 05 14 20 01 20 09 15 14", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 58, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "arnold-andre-v2-0025", "text": "13.1.1 14.4.5 14.4.3 14.5.1 14.4.4 14.4.5 15.1.1 13.1.1 14.1.2 14.5.1 14.4.5 15.1.1 13.1.1 14.5.2 14.1.5 14.4.3 14.2.4 14.2.1 14.5.5 15.1.1", "ciphertext": "13.1.1 14.4.5 14.4.3 14.5.1 14.4.4 14.4.5 15.1.1 13.1.1 14.1.2 14.5.1 14.4.5 15.1.1 13.1.1 14.5.2 14.1.5 14.4.3 14.2.4 14.2.1 14.5.5 15.1.1", "plaintext": "TRUST BUT VERIFY", "label": "arnold_andre", "cipher": "arnold_andre", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 120, "length": 139, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018010", "text": "SDQZM VGSFD STAAL AFFFV PZIWO AARLH MDXOM JCRCZ NKYWY GTVWH MCFEG NGOKU WTPLL ULWFE BSVWX GZJEG WGIZM JKGQA GBZAG LOSZA LMAXM FQNTP DJXUQ KMOBX IIMLQ OZFOF TNZQI AJDYL PZKJV EJWTF XFACV CKSET Q", "ciphertext": "SDQZM VGSFD STAAL AFFFV PZIWO AARLH MDXOM JCRCZ NKYWY GTVWH MCFEG NGOKU WTPLL ULWFE BSVWX GZJEG WGIZM JKGQA GBZAG LOSZA LMAXM FQNTP DJXUQ KMOBX IIMLQ OZFOF TNZQI AJDYL PZKJV EJWTF XFACV CKSET Q", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 161, "length": 161, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "affine-514", "text": "NG XLJ GQZ IZJG VW GNBZJ NG XLJ GQZ XVMJG VW GNBZJ", "ciphertext": "NG XLJ GQZ IZJG VW GNBZJ NG XLJ GQZ XVMJG VW GNBZJ", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 11}, "difficulty": "beginner", "language": "en", "text_length": 39, "length": 50, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0250", "text": "OQRLHSRHLQRTABHBBTUDUTPPSBROAHJWVAVHTVKEBUDWAQBLMAVPWBLMQALTPHRGABBRRGAMUFXFAMUHBMEQHSHIAQBRRFLARRJVPALHBTWMBTUHLHSLVAMVHSTALARGBKHOAAHKRHIXFAVAVHAIXRJVWLIUTQXRJVPHJQBPXOVAPRSFPASGBTUBRBR", "ciphertext": "OQRLHSRHLQRTABHBBTUDUTPPSBROAHJWVAVHTVKEBUDWAQBLMAVPWBLMQALTPHRGABBRRGAMUFXFAMUHBMEQHSHIAQBRRFLARRJVPALHBTWMBTUHLHSLVAMVHSTALARGBKHOAAHKRHIXFAVAVHAIXRJVWLIUTQXRJVPHJQBPXOVAPRSFPASGBTUBRBR", "plaintext": "ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 187, "length": 187, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0320", "text": "BBIBQJYRMOOPBCME", "ciphertext": "BBIBQJYRMOOPBCME", "plaintext": "THE SENATE DECREES", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0521", "text": "RJXZSSNDAUOTYFNQHBD", "ciphertext": "RJXZSSNDAUOTYFNQHBD", "plaintext": "CODED MESSAGE FOLLOWS", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENT"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0341", "text": "ZNK XKJIUGZY GXK IUSOTM", "ciphertext": "ZNK XKJIUGZY GXK IUSOTM", "plaintext": "THE REDCOATS ARE COMING", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 6}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021076", "text": "50 32 67 50 91 49 25 14 25 59 26 81 35 66 63 17 33 34 11 40 1 63 33 27 35 88 30 22 25 91 48 58 68 45 27 64 59 46 61 22 58 48 15 60 30 23 68 68 48 3 63 82 68 91 33 34 81 78 45 3 52 11 17 48 96 63 67 34 33 82 80 4 76 81 26 1 30 63 17 27 67 33 25 59 35 11 14 67 11 60 59 60 32 91 93 72 81", "ciphertext": "50 32 67 50 91 49 25 14 25 59 26 81 35 66 63 17 33 34 11 40 1 63 33 27 35 88 30 22 25 91 48 58 68 45 27 64 59 46 61 22 58 48 15 60 30 23 68 68 48 3 63 82 68 91 33 34 81 78 45 3 52 11 17 48 96 63 67 34 33 82 80 4 76 81 26 1 30 63 17 27 67 33 25 59 35 11 14 67 11 60 59 60 32 91 93 72 81", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 97, "length": 97, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0082", "text": "OPWOLDNPFNIDQFFNOJFOWVLDJOPUEDOLOOJFCWQFLFQDVFWOJDKUBOFTSDKSLLCFNPWOKSLDJPTVXBIOQDQNHDLDJPOVG", "ciphertext": "OPWOLDNPFNIDQFFNOJFOWVLDJOPUEDOLOOJFCWQFLFQDVFWOJDKUBOFTSDKSLLCFNPWOKSLDJPTVXBIOQDQNHDLDJPOVG", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 93, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0227", "text": "IMVXDR7AIMHFS42IKPVBQGLFVHXTY6FJ4XKZ3FXDKMZKGQCKMGLSVFABPJQHVCTDKG5FBYHEFJWYL", "ciphertext": "IMVXDR7AIMHFS42IKPVBQGLFVHXTY6FJ4XKZ3FXDKMZKGQCKMGLSVFABPJQHVCTDKG5FBYHEFJWYL", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0025", "text": "167 138 151 150 136 151 167 181 110 166 131 175", "ciphertext": "167 138 151 150 136 151 167 181 110 166 131 175", "plaintext": "TRUST BUT VERIFY", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003982", "text": "QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF QB ABG PBASHFR BOSHFPNGVBA JVGU RAPELCGVBA GUR ZRFFNTR JNF UVQQRA OHG ABG FRPHER PYNFFVPNY PVCUREF GRNPU JUL ZBQREA FRPHEVGL ZNGGREF", "ciphertext": "QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF QB ABG PBASHFR BOSHFPNGVBA JVGU RAPELCGVBA GUR ZRFFNTR JNF UVQQRA OHG ABG FRPHER PYNFFVPNY PVCUREF GRNPU JUL ZBQREA FRPHEVGL ZNGGREF", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE MESSAGE WAS HIDDEN BUT NOT SECURE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 161, "length": 161, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "purple-v3-0169", "text": "YFNXDDODUIIKGTJSEMGGCOKBSCUDTBJHNYYVEGEBJQORDUDGZSYPAMPTJYNHNPSWCHOJXHNNSMJ", "ciphertext": "YFNXDDODUIIKGTJSEMGGCOKBSCUDTBJHNYYVEGEBJQORDUDGZSYPAMPTJYNHNPSWCHOJXHNNSMJ", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-041", "text": "XEMXZJLVSQKQECSDIFQDAMLDSCXLDAYFRJHOEMVIZKROFAA", "ciphertext": "XEMXZJLVSQKQECSDIFQDAMLDSCXLDAYFRJHOEMVIZKROFAA", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "XMCKLQPOS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0004965", "text": "LAU XIMIP YIVAUH YDWXIRUT J VDOCXINT TZNJHU FILA LHJRTVDTILIDR LAU WUTTJSU FJT AIPPUR XNL RDL TUYNHU", "ciphertext": "LAU XIMIP YIVAUH YDWXIRUT J VDOCXINT TZNJHU FILA LHJRTVDTILIDR LAU WUTTJSU FJT AIPPUR XNL RDL TUYNHU", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "JXYPUMSAIEBOWRDVZHTLNQFGCK"}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0445", "text": "SINUPDXLOHKBGESCTJUTNICENXSRCAURXBRUGYAROSCQBQHNDGAYVDRJAASFKIMFVORYPTKVYHA", "ciphertext": "SINUPDXLOHKBGESCTJUTNICENXSRCAURXBRUGYAROSCQBQHNDGAYVDRJAASFKIMFVORYPTKVYHA", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0399", "text": "JUSEKRCDWAM", "ciphertext": "JUSEKRCDWAM", "plaintext": "KNOW THYSELF", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-209", "text": "CPEMKZYIRVWKTDLCEUKFOADPCELKAKEZDXXKPHVKEZRBUGWZ", "ciphertext": "CPEMKZYIRVWKTDLCEUKFOADPCELKAKEZDXXKPHVKEZRBUGWZ", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v2-0328", "text": "21235 21246 21246 21255 21248 21233 21244 21243 21240 21242 21249 21237 21239 21239 21238 21244 21249 21238 21239 21243 21233 21231 21248 21235 21244 21239 21238 21242 21235 21246 21246 21259 21240 21249 21233 21248 21244 21243 21235 21248 21238 21235 21257 21235 21233 21244 21230 21255 21242 21244 21232 21239 21242 21249 21242 21238 21239 21242 21243 21230 21242 21249 21247 21232 21233 21231 21232 21237 21249 21247 21247 21235 21248 21238 21248 21249 21257", "ciphertext": "21235 21246 21246 21255 21248 21233 21244 21243 21240 21242 21249 21237 21239 21239 21238 21244 21249 21238 21239 21243 21233 21231 21248 21235 21244 21239 21238 21242 21235 21246 21246 21259 21240 21249 21233 21248 21244 21243 21235 21248 21238 21235 21257 21235 21233 21244 21230 21255 21242 21244 21232 21239 21242 21249 21242 21238 21239 21242 21243 21230 21242 21249 21247 21232 21233 21231 21232 21237 21249 21247 21247 21235 21248 21238 21248 21249 21257", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 385, "length": 461, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0313", "text": "139 157 170 128 175 111 181 177 159 171 132 111 121 181 121 152 117 164 136 152 111 119 154 156 175 170 128 175 111 181 152 117 164 136 152 111 177 159 171 132 111 181 162 118 158 111 180 118 137 138 170 158 111 142", "ciphertext": "139 157 170 128 175 111 181 177 159 171 132 111 121 181 121 152 117 164 136 152 111 119 154 156 175 170 128 175 111 181 152 117 164 136 152 111 177 159 171 132 111 181 162 118 158 111 180 118 137 138 170 158 111 142", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 162, "length": 215, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013220", "text": "66 89 69 61 72 59 68 80 82 52 50 65 36 82 80 82 29 52 80 43 65 66 61 11 50 25 80 68 65 36 61 89 50 66 36 66 89 69 65 69 57 43 20 50 59 61 68 57 65 36 68 20 82 66 61 65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29 52 80 43 65 66 69 25 80 68 65 36 43 80 82 89 68 80 11 61 65 68 66 50 82 29 52 82 68 29 11 52 68 80 82 76 59 57 66 36 50 29 55 50 29 25", "ciphertext": "66 89 69 61 72 59 68 80 82 52 50 65 36 82 80 82 29 52 80 43 65 66 61 11 50 25 80 68 65 36 61 89 50 66 36 66 89 69 65 69 57 43 20 50 59 61 68 57 65 36 68 20 82 66 61 65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29 52 80 43 65 66 69 25 80 68 65 36 43 80 82 89 68 80 11 61 65 68 66 50 82 29 52 82 68 29 11 52 68 80 82 76 59 57 66 36 50 29 55 50 29 25", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 141, "length": 141, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0017948", "text": "9.30.15 12.17.3 4.7.5 15.42.2 1.28.12 8.5.11 2.31.8 3.2.3 9.30.1 16.30.3 4.14.9 5.4.6 1.6.11 14.9.12 6.47.11 17.28.4 5.33.10 18.15.2 19.15.14 7.30.4 4.43.9 20.11.13 7.9.2 5.50.6 3.47.5 11.38.8 17.47.6 11.47.5 5.17.2 8.50.9 4.5.5 16.28.6 11.35.7 2.24.6 6.25.2 11.16.7 20.5.3 18.25.5 7.12.7 11.46.13 9.13.9 15.13.11 17.32.13 19.37.11 14.36.10 6.23.13 6.27.12 5.27.8", "ciphertext": "9.30.15 12.17.3 4.7.5 15.42.2 1.28.12 8.5.11 2.31.8 3.2.3 9.30.1 16.30.3 4.14.9 5.4.6 1.6.11 14.9.12 6.47.11 17.28.4 5.33.10 18.15.2 19.15.14 7.30.4 4.43.9 20.11.13 7.9.2 5.50.6 3.47.5 11.38.8 17.47.6 11.47.5 5.17.2 8.50.9 4.5.5 16.28.6 11.35.7 2.24.6 6.25.2 11.16.7 20.5.3 18.25.5 7.12.7 11.46.13 9.13.9 15.13.11 17.32.13 19.37.11 14.36.10 6.23.13 6.27.12 5.27.8", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "sigaba-v2-0503", "text": "BBIZEQYRKXNBMZNYQWJVEENANECSNXNBVCNCVKGOOHFZMLJMMAXBLMYPOTIOEMIDUXWJMROCJUCNKSSMRFOSQGIAWMUCJVYGZYGKMJYFMIKGQIIFCPRIANNQHBENSHLIICKKDGHTFAFEPKPCEFWHPQXPIRAVYTVPQGWKIEJDZROL", "ciphertext": "BBIZEQYRKXNBMZNYQWJVEENANECSNXNBVCNCVKGOOHFZMLJMMAXBLMYPOTIOEMIDUXWJMROCJUCNKSSMRFOSQGIAWMUCJVYGZYGKMJYFMIKGQIIFCPRIANNQHBENSHLIICKKDGHTFAFEPKPCEFWHPQXPIRAVYTVPQGWKIEJDZROL", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0376", "text": "PLDKOBNRKUTUGIOERBCD", "ciphertext": "PLDKOBNRKUTUGIOERBCD", "plaintext": "THE LEGIONS STAND READY", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-1130", "text": "CDXDMTBHUTHBUDQKQLDFFMEULNFACXSGXRLQHBATLRCDTYAFFULFBECTMDGBFRIFGAOHFBSGPGRXCV", "ciphertext": "CDXDMTBHUTHBUDQKQLDFFMEULNFACXSGXRLQHBATLRCDTYAFFULFBECTMDGBFRIFGAOHFBSGPGRXCV", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0362", "text": "21257 21239 21243 21232 21235 21246 21246 21230 21233 21231 21232 21244 21249 21248 21244 21232 21239 21236 21239 21235 21237 21232 21239 21243 21257 21239 21243 21232 21235 21246 21246 21230 21233 21231 21232 21244 21249 21248 21244 21232 21239 21246 21235 21248 21238 21233 21248 21231 21231 21242 21249 21255 21248 21238 21243 21257 21239 21243 21232 21235 21246 21246 21230 21233 21231 21232 21244 21233 21248 21244 21232 21239 21230 21233 21239 21246 21238 21243 21235 21248 21238 21233 21248 21244 21232 21239 21243 21244 21242 21239 21239 21244 21243 21257 21239 21243 21232 21235 21246 21246 21230 21233 21231 21232 21244 21233 21248 21244 21232 21239 21232 21233 21246 21246 21243 21257 21239 21243 21232 21235 21246 21246 21248 21239 21256 21239 21242 21243 21255 21242 21242 21239 21248 21238 21239 21242", "ciphertext": "21257 21239 21243 21232 21235 21246 21246 21230 21233 21231 21232 21244 21249 21248 21244 21232 21239 21236 21239 21235 21237 21232 21239 21243 21257 21239 21243 21232 21235 21246 21246 21230 21233 21231 21232 21244 21249 21248 21244 21232 21239 21246 21235 21248 21238 21233 21248 21231 21231 21242 21249 21255 21248 21238 21243 21257 21239 21243 21232 21235 21246 21246 21230 21233 21231 21232 21244 21233 21248 21244 21232 21239 21230 21233 21239 21246 21238 21243 21235 21248 21238 21233 21248 21244 21232 21239 21243 21244 21242 21239 21239 21244 21243 21257 21239 21243 21232 21235 21246 21246 21230 21233 21231 21232 21244 21233 21248 21244 21232 21239 21232 21233 21246 21246 21243 21257 21239 21243 21232 21235 21246 21246 21248 21239 21256 21239 21242 21243 21255 21242 21242 21239 21248 21238 21239 21242", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 680, "length": 815, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0568", "text": "LJUU VN RBQVJNU BXVN HNJAB JPX WNENA VRWM QXF UXWP YANLRBNUH R CQXDPQC R FXDUM BJRU JKXDC JWM BNN CQN XLNJW", "ciphertext": "LJUU VN RBQVJNU BXVN HNJAB JPX WNENA VRWM QXF UXWP YANLRBNUH R CQXDPQC R FXDUM BJRU JKXDC JWM BNN CQN XLNJW", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 9}, "difficulty": "beginner", "language": "en", "text_length": 87, "length": 107, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-vi-0058", "text": "GUSEHFXFGOVXUZEBYVZEJYUPESKZWUSNFIRUCJTLCKBTSPYPAEFQUPEUNJVGTUGOOEGCWVF", "ciphertext": "GUSEHFXFGOVXUZEBYVZEJYUPESKZWUSNFIRUCJTLCKBTSPYPAEFQUPEUNJVGTUGOOEGCWVF", "plaintext": "FOR WHERE YOUR TREASURE IS THERE YOUR HEART WILL BE ALSO SO SEEK THE THINGS OF GOD ABOVE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "16180"}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v3-0088", "text": "ZUZUZ FAZUZ LAZUZ HAZUZ HAZUZ LAZUZ GAZUZ XUZUZ DABAB ZUZUZ KAZUZ GAZUZ PAZUZ PAZUZ QAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ CEZUZ GAZUZ RAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ TAZUZ BEZUZ CAZUZ PAZUZ LAZUZ DAZUZ XUZUZ ZUZUZ NAZUZ GAZUZ GEZUZ XUZUZ ZUZUZ DAZUZ WAZUZ GEZUZ TAZUZ ZAZUZ SAZUZ JAZUZ WAZUZ BAZUZ TAZUZ KAZUZ GEZUZ XUZUZ GABAB ZUZUZ RAZUZ LAZUZ RAZUZ GAZUZ ZAZUZ GAZUZ GAZUZ RAZUZ XUZUZ ZUZUZ XAZUZ GAZUZ CEZUZ GAZUZ RAZUZ ZAZUZ GEZUZ XUZUZ ZUZUZ XAZUZ LAZUZ FEZUZ XUZUZ ZUZUZ DAZUZ KAZUZ BAZUZ RAZUZ JAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ GAZUZ CEZUZ GAZUZ WAZUZ GEZUZ ZAZUZ KAZUZ LAZUZ RAZUZ JAZUZ XUZUZ", "ciphertext": "ZUZUZ FAZUZ LAZUZ HAZUZ HAZUZ LAZUZ GAZUZ XUZUZ DABAB ZUZUZ KAZUZ GAZUZ PAZUZ PAZUZ QAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ CEZUZ GAZUZ RAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ TAZUZ BEZUZ CAZUZ PAZUZ LAZUZ DAZUZ XUZUZ ZUZUZ NAZUZ GAZUZ GEZUZ XUZUZ ZUZUZ DAZUZ WAZUZ GEZUZ TAZUZ ZAZUZ SAZUZ JAZUZ WAZUZ BAZUZ TAZUZ KAZUZ GEZUZ XUZUZ GABAB ZUZUZ RAZUZ LAZUZ RAZUZ GAZUZ ZAZUZ GAZUZ GAZUZ RAZUZ XUZUZ ZUZUZ XAZUZ GAZUZ CEZUZ GAZUZ RAZUZ ZAZUZ GEZUZ XUZUZ ZUZUZ XAZUZ LAZUZ FEZUZ XUZUZ ZUZUZ DAZUZ KAZUZ BAZUZ RAZUZ JAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ GAZUZ CEZUZ GAZUZ WAZUZ GEZUZ ZAZUZ KAZUZ LAZUZ RAZUZ JAZUZ XUZUZ", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 510, "length": 611, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-vg-0059", "text": "FHNDHTRDEFHCOLAINNFSOFHOYOARJIIYIAERLVSEAALROELOGNAUTEBSRAEDLTGFDSDG", "ciphertext": "FHNDHTRDEFHCOLAINNFSOFHOYOARJIIYIAERLVSEAALROELOGNAUTEBSRAEDLTGFDSDG", "plaintext": "FOR ALL HAVE SINNED AND FALL SHORT OF THE GLORY OF GOD AND ARE JUSTIFIED BY HIS GRACE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0032", "text": "LBKKYGQZAQIPOCBVSUMTTOIJT", "ciphertext": "LBKKYGQZAQIPOCBVSUMTTOIJT", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0040", "text": "AKKXRG", "ciphertext": "AKKXRG", "plaintext": "EUREKA", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0068", "text": "QGL ZBLLM CJ EUHGQ UZ QGL IEQUDYQL ZBLLM EUDUQ UX QGL IXURLVZL LUXZQLUX MLDCXZQVYQLM QGUZ", "ciphertext": "QGL ZBLLM CJ EUHGQ UZ QGL IEQUDYQL ZBLLM EUDUQ UX QGL IXURLVZL LUXZQLUX MLDCXZQVYQLM QGUZ", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-028", "text": "URSYKWMKOXRRMOV", "ciphertext": "URSYKWMKOXRRMOV", "plaintext": "EVACUATE THE BASE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "TSEC"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017184", "text": "2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19", "ciphertext": "2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 128, "length": 128, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0211", "text": "OAHBGPLVVHGLMALDVKFPPAVSEADWLBPBPRATQVHMPRSMTUTXSRHTAXLQARSEAIUSTPHSTWWLHBKOBUHRHBBHTAARFBUDM", "ciphertext": "OAHBGPLVVHGLMALDVKFPPAVSEADWLBPBPRATQVHMPRSMTUTXSRHTAXLQARSEAIUSTPHSTWWLHBKOBUHRHBBHTAARFBUDM", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 93, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-vi-0116", "text": "QSB JMPXBM HI P MAUSQBHRN JBMNHG AN JHVBMIRE PGY BIIBLQATB AG MBPLSAGU QSB TBMX QSMHGB HI UHY", "ciphertext": "QSB JMPXBM HI P MAUSQBHRN JBMNHG AN JHVBMIRE PGY BIIBLQATB AG MBPLSAGU QSB TBMX QSMHGB HI UHY", "plaintext": "THE PRAYER OF A RIGHTEOUS PERSON IS POWERFUL AND EFFECTIVE IN REACHING THE VERY THRONE OF GOD", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "POLYBIUS"}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-197", "text": "MTTOOEAHLAETEDK", "ciphertext": "MTTOOEAHLAETEDK", "plaintext": "MEET AT THE OLD OAK", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-047", "text": "22 05 14 09 22 09 04 09 22 09 03 09 09 03 01 13 05 09 19 01 23 09 03 15 14 17 21 05 18 05 04 01 12 12 64 01 19 09 14 07 12 05 02 01 20 20 12 05", "ciphertext": "22 05 14 09 22 09 04 09 22 09 03 09 09 03 01 13 05 09 19 01 23 09 03 15 14 17 21 05 18 05 04 01 12 12 64 01 19 09 14 07 12 05 02 01 20 20 12 05", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 96, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-300", "text": "ISABEFOYQBSATCZDTIIRFTWIDGFUPNGFY+UXFECSM+EAIKPHQFE+EDSALAIEMIIUHTEAHQFBSIHKGXZJQETAQJUBIFDHIU+GSEBAEHPYEGKTFSAEICBUIW+BXLIJCLCABOTIXRTKBBMSITS", "ciphertext": "ISABEFOYQBSATCZDTIIRFTWIDGFUPNGFY+UXFECSM+EAIKPHQFE+EDSALAIEMIIUHTEAHQFBSIHKGXZJQETAQJUBIFDHIU+GSEBAEHPYEGKTFSAEICBUIW+BXLIJCLCABOTIXRTKBBMSITS", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIFID"}, "difficulty": "advanced", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0262", "text": "KALSBYJRAPVTTRGGWKSRPDTFKALXKZCGBWVTJZDTTAXTFXUCRPQRGHRRBBHAPVTGTTLW", "ciphertext": "KALSBYJRAPVTTRGGWKSRPDTFKALXKZCGBWVTJZDTTAXTFXUCRPQRGHRRBBHAPVTGTTLW", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0079", "text": "THEPRICEOFLIBERTYISETERNELVIGILAMCEANHTHEWILLTODEFENDMTAGAINSTALLFOESANDTHRFATS", "ciphertext": "THEPRICEOFLIBERTYISETERNELVIGILAMCEANHTHEWILLTODEFENDMTAGAINSTALLFOESANDTHRFATS", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-210", "text": "ITWASTHEBESTOFTJMESITWCSTHEWORSTOFTIMES", "ciphertext": "ITWASTHEBESTOFTJMESITWCSTHEWORSTOFTIMES", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0010596", "text": "STWS EEAU GRAH NKNS TIBE UMOU TSUR CASE EHRD EEAX EXTR HXRX SODM DDHU ILEA TCEE MTHH EISC", "ciphertext": "STWS EEAU GRAH NKNS TIBE UMOU TSUR CASE EHRD EEAX EXTR HXRX SODM DDHU ILEA TCEE MTHH EISC", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "PALACE"}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgvx-180", "text": "AGFVAAAFAFDDGDAAVDDDFADDAFDAAADFDAAFAAADVFDAAFDAAAAADDADADAADFAFADAAGAADAFADAGAAAFAADAVAGFVAAAGAFAVAAVXXGDGDVVVDADVAVXXDGFGVGXAVDVGDDAGFAXGAXFFVGVXAXVGFDXFDXXVDXXXDAFFFXXXVDGDFDXDVVVAFAFAXVDVAAXFXADVAXVXAVFVDVVADGVDXAVADVDDXAAXVXXXGVXXAVXXVAFDAAADAFFAAGDAFAAAAAAFAFAADAAFADADDFFAAFDDAFD", "ciphertext": "AGFVAAAFAFDDGDAAVDDDFADDAFDAAADFDAAFAAADVFDAAFDAAAAADDADADAADFAFADAAGAADAFADAGAAAFAADAVAGFVAAAGAFAVAAVXXGDGDVVVDADVAVXXDGFGVGXAVDVGDDAGFAXGAXFFVGVXAXVGFDXFDXXVDXXXDAFFFXXXVDGDFDXDVVVAFAFAXVDVAAXFXADVAXVXAVFVDVVADGVDXAVADVDDXAAXVXXXGVXXAVXXVAFDAAADAFFAAGDAFAAAAAAFAFAADAAFADADDFFAAFDDAFD", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 286, "length": 286, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-012", "text": "CIPHERKEYCHANGED", "ciphertext": "CIPHERKEYCHANGED", "plaintext": "CIPHER KEY CHANGED", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "LORENZ"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0003336", "text": "XFPCN MDIAP ZRXWQ BLRUM GPTLI TCPLL PMQPA EPMQP ACBNR ILMJS OVWEI HPCYM AGALS CBNTI TQAWX CXRV", "ciphertext": "XFPCN MDIAP ZRXWQ BLRUM GPTLI TCPLL PMQPA EPMQP ACBNR ILMJS OVWEI HPCYM AGALS CBNTI TQAWX CXRV", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "beaufort", "cipher": "beaufort", "key": {"key": "BATTLE"}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "kryptos-v3-0362", "text": "UKEDGFSUKFWXHBFZUNXEKZLBRWPTZLBHWPRLQBRXJFNHZFNFGRMTRDGZIFWHOQTPTTZV", "ciphertext": "UKEDGFSUKFWXHBFZUNXEKZLBRWPTZLBHWPRLQBRXJFNHZFNFGRMTRDGZIFWHOQTPTTZV", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0390", "text": "JHDICNBIWBIEOTGJQBL", "ciphertext": "JHDICNBIWBIEOTGJQBL", "plaintext": "MISSION ACCOMPLISHED", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0051", "text": "XGFDDVFGVDVVAVDVAFVFADDVVADFDFAAAGFAAAADAGAGFDFDDFAADGGGGDFGDGGVDVGVXVDVVVFXGXVFAFDDAFDADAGADDFDAAAAFFDFDFDFDGAFFFGGFFGAVGGAGDDFGAGAVDAAFFXXAGFXDGAADGAAVGDAAV", "ciphertext": "XGFDDVFGVDVVAVDVAFVFADDVVADFDFAAAGFAAAADAGAGFDFDDFAADGGGGDFGDGGVDVGVXVDVVVFXGXVFAFDDAFDADAGADDFDAAAAFFDFDFDFDGAFFFGGFFGAVGGAGDDFGAGAVDAAFFXXAGFXDGAADGAAVGDAAV", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 158, "length": 158, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0113", "text": "R5 R8 V4 O4 O1 O8 G7 C9 O0 G7 B8 S1 L6 Z1 S1 C5 R8 A3 B0 S0 C5 L9 A2 B0 L9 C4 P5 S6 T9 N6 T2 U6 T2 P9 T8 R7 S7 X2 S0 A5 B0 O5 S6 T4 K8 M5 A3 K7 A1 A6 B8 B0 T9 Q6 A5 N2 N2 I3 C4 R8 R5 X7 D2 Y6 T4 R8 D2 C9 O9 T9 R5 A4 N2 M8 Y6 N6 B8 B1 I8 M5 O5 C9 C5 P3 M6 H7 B7 G7 O4 N6 K8 R7 N7 T0 G6 L0 I4 S3 Q1 O1 C4 C2 S3 R7 B3 S6 I1 C3 X7 C2 R8 A3 K7 A6 Y6 L0 K8 B0 O6 Y0 I8 N6 I1 M6 Z1 S0 A6 N7 X7 D0 O2 P9 D2 R5 A5 K7 Q7 T8 B7 Q6 T0 C4 U6 R1 O4 L0 Z1 S0 R7 Y0 C2 R8 A2 Q1 C2 R8 A3 Q8 I3 Q3 D0 G6 T4 R8 M6 P6 R1 O6 O2", "ciphertext": "R5 R8 V4 O4 O1 O8 G7 C9 O0 G7 B8 S1 L6 Z1 S1 C5 R8 A3 B0 S0 C5 L9 A2 B0 L9 C4 P5 S6 T9 N6 T2 U6 T2 P9 T8 R7 S7 X2 S0 A5 B0 O5 S6 T4 K8 M5 A3 K7 A1 A6 B8 B0 T9 Q6 A5 N2 N2 I3 C4 R8 R5 X7 D2 Y6 T4 R8 D2 C9 O9 T9 R5 A4 N2 M8 Y6 N6 B8 B1 I8 M5 O5 C9 C5 P3 M6 H7 B7 G7 O4 N6 K8 R7 N7 T0 G6 L0 I4 S3 Q1 O1 C4 C2 S3 R7 B3 S6 I1 C3 X7 C2 R8 A3 K7 A6 Y6 L0 K8 B0 O6 Y0 I8 N6 I1 M6 Z1 S0 A6 N7 X7 D0 O2 P9 D2 R5 A5 K7 Q7 T8 B7 Q6 T0 C4 U6 R1 O4 L0 Z1 S0 R7 Y0 C2 R8 A2 Q1 C2 R8 A3 Q8 I3 Q3 D0 G6 T4 R8 M6 P6 R1 O6 O2", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 338, "length": 506, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0250", "text": "ALYTEFLYEIFTOFPLOEUEFCANKUKOKENNTEKITKHLETMTGRGSTBSOSHYQIBRIUTZTBVLTNQLDI", "ciphertext": "ALYTEFLYEIFTOFPLOEUEFCANKUKOKENNTEKITKHLETMTGRGSTBSOSHYQIBRIUTZTBVLTNQLDI", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016548", "text": "11.4.10 16.5.10 20.1.3 13.4.2 20.4.2 17.4.8 5.6.10 15.6.8 15.5.7 8.2.8 5.4.7 6.1.10 12.1.4 4.3.10 8.1.7 19.5.7 20.1.1 19.5.1 5.5.10 12.6.9 10.3.1 3.3.5 7.4.5 15.4.9 5.5.10 3.2.8 15.2.1 18.3.7 6.5.6 20.2.6 14.6.7 20.2.4 15.4.10 5.3.6 17.6.6 13.5.5 11.1.9 18.6.4", "ciphertext": "11.4.10 16.5.10 20.1.3 13.4.2 20.4.2 17.4.8 5.6.10 15.6.8 15.5.7 8.2.8 5.4.7 6.1.10 12.1.4 4.3.10 8.1.7 19.5.7 20.1.1 19.5.1 5.5.10 12.6.9 10.3.1 3.3.5 7.4.5 15.4.9 5.5.10 3.2.8 15.2.1 18.3.7 6.5.6 20.2.6 14.6.7 20.2.4 15.4.10 5.3.6 17.6.6 13.5.5 11.1.9 18.6.4", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "babington-v3-0070", "text": "⟨w01⟩ ⟨w02⟩ ⟨a08⟩ ⟨a15⟩ ⟨a23⟩ ⟨w06⟩ ⟨w13⟩ ⟨w06⟩ ⟨w13⟩ ⟨w32⟩ ⟨w15⟩ ⟨a15⟩ ⟨a08⟩ ⟨w02⟩ ⟨w15⟩ ⟨w13⟩ ⟨a18⟩ ⟨w22⟩ ⟨w13⟩ ⟨a08⟩ ⟨w13⟩ ⟨w23⟩ ⟨w21⟩ ⟨w07⟩ ⟨w16⟩ ⟨a08⟩ ⟨w16⟩ ⟨w06⟩ ⟨a15⟩ ⟨w32⟩ ⟨w13⟩ ⟨w35⟩ ⟨a08⟩ ⟨n01⟩ ⟨w06⟩ ⟨w04⟩ ⟨w02⟩ ⟨w07⟩ ⟨n03⟩ ⟨a12⟩ ⟨w16⟩ ⟨w23⟩ ⟨a03⟩ ⟨a15⟩ ⟨w04⟩ ⟨w35⟩ ⟨w02⟩ ⟨w23⟩ ⟨w19⟩ ⟨w02⟩ ⟨w21⟩ ⟨a03⟩ ⟨a15⟩ ⟨a08⟩ ⟨a23⟩ ⟨w23⟩ ⟨w06⟩ ⟨w13⟩ ⟨a20⟩ ⟨a15⟩ ⟨w21⟩ ⟨w23⟩ ⟨w02⟩ ⟨a03⟩ ⟨w06⟩ ⟨n01⟩ ⟨a08⟩ ⟨w04⟩ ⟨w07⟩ ⟨w02⟩ ⟨w13⟩ ⟨a04⟩ ⟨w13⟩ ⟨w04⟩ ⟨w35⟩ ⟨w02⟩", "ciphertext": "⟨w01⟩ ⟨w02⟩ ⟨a08⟩ ⟨a15⟩ ⟨a23⟩ ⟨w06⟩ ⟨w13⟩ ⟨w06⟩ ⟨w13⟩ ⟨w32⟩ ⟨w15⟩ ⟨a15⟩ ⟨a08⟩ ⟨w02⟩ ⟨w15⟩ ⟨w13⟩ ⟨a18⟩ ⟨w22⟩ ⟨w13⟩ ⟨a08⟩ ⟨w13⟩ ⟨w23⟩ ⟨w21⟩ ⟨w07⟩ ⟨w16⟩ ⟨a08⟩ ⟨w16⟩ ⟨w06⟩ ⟨a15⟩ ⟨w32⟩ ⟨w13⟩ ⟨w35⟩ ⟨a08⟩ ⟨n01⟩ ⟨w06⟩ ⟨w04⟩ ⟨w02⟩ ⟨w07⟩ ⟨n03⟩ ⟨a12⟩ ⟨w16⟩ ⟨w23⟩ ⟨a03⟩ ⟨a15⟩ ⟨w04⟩ ⟨w35⟩ ⟨w02⟩ ⟨w23⟩ ⟨w19⟩ ⟨w02⟩ ⟨w21⟩ ⟨a03⟩ ⟨a15⟩ ⟨a08⟩ ⟨a23⟩ ⟨w23⟩ ⟨w06⟩ ⟨w13⟩ ⟨a20⟩ ⟨a15⟩ ⟨w21⟩ ⟨w23⟩ ⟨w02⟩ ⟨a03⟩ ⟨w06⟩ ⟨n01⟩ ⟨a08⟩ ⟨w04⟩ ⟨w07⟩ ⟨w02⟩ ⟨w13⟩ ⟨a04⟩ ⟨w13⟩ ⟨w04⟩ ⟨w35⟩ ⟨w02⟩", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALSINGHAM"}, "difficulty": "expert", "language": "en", "text_length": 380, "length": 455, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0127", "text": "DIKMWEODIZAIH", "ciphertext": "DIKMWEODIZAIH", "plaintext": "FULL SAIL AHEAD", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0327", "text": "ALWTKKNHAGIHIUYDGRZBZEFSKLSGLRUATMRYPGDQSUCWZRHUEFZYKVHPIOXKHQXURFILYZFNFPHKR", "ciphertext": "ALWTKKNHAGIHIUYDGRZBZEFSKLSGLRUATMRYPGDQSUCWZRHUEFZYKVHPIOXKHQXURFILYZFNFPHKR", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009574", "text": "UVAJK SIIYE AMXVW PYBJT WTZHF RETVH PCVES XNTYM SETGN", "ciphertext": "UVAJK SIIYE AMXVW PYBJT WTZHF RETVH PCVES XNTYM SETGN", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "autokey", "cipher": "autokey", "key": {"primer": "SECURE"}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "vic-v2-0011", "text": "914898280914688928389807", "ciphertext": "914898280914688928389807", "plaintext": "TARGET ACQUIRED", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009549", "text": "GEOAFCBFVGWBA NVCVREF ESOEEOAUS YSGGSEF JVGVBHG FHPFGWGHGWBA ZBRSEA RAQELCGVBA VF ABG PEBXRA PL YRGGSE TERDHRANL QBYHZAOE GEOAFCBFVGWBA ERORF NBYHZAF WA XSL BEQRE FRQHEWGL QYOWZF FUBHYQ PR GSFGSQ HARRE FPEHGWAL", "ciphertext": "GEOAFCBFVGWBA NVCVREF ESOEEOAUS YSGGSEF JVGVBHG FHPFGWGHGWBA ZBRSEA RAQELCGVBA VF ABG PEBXRA PL YRGGSE TERDHRANL QBYHZAOE GEOAFCBFVGWBA ERORF NBYHZAF WA XSL BEQRE FRQHEWGL QYOWZF FUBHYQ PR GSFGSQ HARRE FPEHGWAL", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "porta", "cipher": "porta", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 183, "length": 183, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "porta-182", "text": "ZSZNNDMGWZ", "ciphertext": "ZSZNNDMGWZ", "plaintext": "FLEE AT ONCE", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PORTAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-098", "text": "KGYLNUKSNNRGGIJJKYJYDAONEMPJTVEXUBLYAGCJGTUOT", "ciphertext": "KGYLNUKSNNRGGIJJKYJYDAONEMPJTVEXUBLYAGCJGTUOT", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0621", "text": "INBQGMZICXWTRJRWLSEBKMVOPEKPJUNXWFCZNMWEGPEZAWHVUHGHDUADHNFWQECJHSJIIMDQPIRKOUGRUOKLFMFQAKPMZSIPSZBOGMLHMNBJIKJQDAZCRJYWLBYDIYHCFMPEKVLJGTFOGZKXDLNPOWASUSZGMSMRYQRCRHGQEXGSODIWVRD", "ciphertext": "INBQGMZICXWTRJRWLSEBKMVOPEKPJUNXWFCZNMWEGPEZAWHVUHGHDUADHNFWQECJHSJIIMDQPIRKOUGRUOKLFMFQAKPMZSIPSZBOGMLHMNBJIKJQDAZCRJYWLBYDIYHCFMPEKVLJGTFOGZKXDLNPOWASUSZGMSMRYQRCRHGQEXGSODIWVRD", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0371", "text": "OALXAPVEVHOTVRWLHCRINZDMTUBLLCNLVVASLALVLMKAINPCVVLCPAJHRXKHDCTFGKLALTALIV", "ciphertext": "OALXAPVEVHOTVRWLHCRINZDMTUBLLCNLVVASLALVLMKAINPCVVLCPAJHRXKHDCTFGKLALTALIV", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-079", "text": "LSULREKWLSJUQUCO", "ciphertext": "LSULREKWLSJUQUCO", "plaintext": "NO PRISONERS TAKEN", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-118", "text": "WHHFYTROAEYDLHOFFHRSLSTUEHOELDYTLENHTETEEOEEAODIKRHTOVREOOLTTELROGDOTEATITEODADHFLNSTEEFHWRDNTETADELHRIERRRERNWSEDAOGYOREHHRNELSRTOAHHWTE", "ciphertext": "WHHFYTROAEYDLHOFFHRSLSTUEHOELDYTLENHTETEEOEEAODIKRHTOVREOOLTTELROGDOTEATITEODADHFLNSTEEFHWRDNTETADELHRIERRRERNWSEDAOGYOREHHRNELSRTOAHHWTE", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 3}, "difficulty": "intermediate", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v3-0142", "text": "HPQVDRHKPWPHMHGBQVOUSBUAHPQVOUBLGVXCFLHPPHMHBAOKTUZDOUROADRECGUOXYZOIZIZ", "ciphertext": "HPQVDRHKPWPHMHGBQVOUSBUAHPQVOUBLGVXCFLHPPHMHBAOKTUZDOUROADRECGUOXYZOIZIZ", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013923", "text": "IFCF OQTE EFLX ASBX LYRY ATYO XZHF ZGEG AKMF VZAH IMSE KADK IZOH ECII IOQM RWTQ EQHL MPIE MVAP FPMQ NRTL", "ciphertext": "IFCF OQTE EFLX ASBX LYRY ATYO XZHF ZGEG AKMF VZAH IMSE KADK IZOH ECII IOQM RWTQ EQHL MPIE MVAP FPMQ NRTL", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0247", "text": "TUEEMNRRIOEOUFEIEWVDCAASQGNNINAEIIFDMTEEHLRINOLLTCRNUTORSAAITNSETUEAOOACNOEAEERNIEINCTYTFIETFLDOYTNEFCNOETRFLSHAUFOHEETEGIXOTPVUENAEBRFSBCNOSCDAIUTEPE", "ciphertext": "TUEEMNRRIOEOUFEIEWVDCAASQGNNINAEIIFDMTEEHLRINOLLTCRNUTORSAAITNSETUEAOOACNOEAEERNIEINCTYTFIETFLDOYTNEFCNOETRFLSHAUFOHEETEGIXOTPVUENAEBRFSBCNOSCDAIUTEPE", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0092", "text": "ACIV DUZZUCX UJ ACI OGCCZL QC YOOLBQ UQ UZ QC LNQVYOQ QGL YHLXQ JVCD PLGUXM LXLDA EUXLZ QCXUHGQ", "ciphertext": "ACIV DUZZUCX UJ ACI OGCCZL QC YOOLBQ UQ UZ QC LNQVYOQ QGL YHLXQ JVCD PLGUXM LXLDA EUXLZ QCXUHGQ", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002437", "text": "FSGTYJTJG JXLXLGXI TSG LZRBYK WFCN GNVOMAC", "ciphertext": "FSGTYJTJG JXLXLGXI TSG LZRBYK WFCN GNVOMAC", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "gronsfeld-v3-0591", "text": "WMDZTWAHCYQMHVUUMMGQUIUJNWBBOYNLANJBITKKXZJKYQIANTULZZMNXSGSNBZOSCPLOWYIANX", "ciphertext": "WMDZTWAHCYQMHVUUMMGQUIUJNWBBOYNLANJBITKKXZJKYQIANTULZZMNXSGSNBZOSCPLOWYIANX", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "98765"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0402", "text": "DXAFDDDADGGFADDDADAADAFDFFADFAGAGFDGAGADDDGDDFADGGXGAGGDGGGDGAXGAFADAAAGADFGDADGFFFAFXFDAGFAGGAXDFDDFDDFDFDAFGGGAAAFFXAGXADAGGGFDGDXGFDFXFXDXAFDGAGXFAGDAAGADG", "ciphertext": "DXAFDDDADGGFADDDADAADAFDFFADFAGAGFDGAGADDDGDDFADGGXGAGGDGGGDGAXGAFADAAAGADFGDADGFFFAFXFDAGFAGGAXDFDDFDDFDFDAFGGGAAAFFXAGXADAGGGFDGDXGFDFXFXDXAFDGAGXFAGDAAGADG", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 158, "length": 158, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-174", "text": "RFCCLCKWILMUQRFCQWQRCKBCQGELWMSPAGNFCPYAAMPBGLEJWUGRFEPCYRAYPC", "ciphertext": "RFCCLCKWILMUQRFCQWQRCKBCQGELWMSPAGNFCPYAAMPBGLEJWUGRFEPCYRAYPC", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KOREA"}, "difficulty": "beginner", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018739", "text": "66 36 82 55 68 61 50 61 55 50 82 73 68 77 50 29 68 66 50 69 29 76 50 29 11 61 80 82 65 82 68 66 82 11 66 80 50 25 80 68 77 61 50 29 52 50 65 36 82 80 66 82 73 66", "ciphertext": "66 36 82 55 68 61 50 61 55 50 82 73 68 77 50 29 68 66 50 69 29 76 50 29 11 61 80 82 65 82 68 66 82 11 66 80 50 25 80 68 77 61 50 29 52 50 65 36 82 80 66 82 73 66", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0014904", "text": "35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 32 15 11 43 45 42 15 43 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 14 24 43 44 42 24 12 45 44 24 34 33 44 23 15 31 24 12 42 11 42 54 35 42 15 43 15 42 51 15 43 25 33 34 52 31 15 14 22 15 21 34 42 44 23 15 13 34 32 32 45 33 24 44 54", "ciphertext": "35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 32 15 11 43 45 42 15 43 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 14 24 43 44 42 24 12 45 44 24 34 33 44 23 15 31 24 12 42 11 42 54 35 42 15 43 15 42 51 15 43 25 33 34 52 31 15 14 22 15 21 34 42 44 23 15 13 34 32 32 45 33 24 44 54", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "two-square-041", "text": "PPHQOTWHEVZWURFYVMOCZBXPFWFORYQTBUSOIDROQTCAHCST", "ciphertext": "PPHQOTWHEVZWURFYVMOCZBXPFWFORYQTBUSOIDROQTCAHCST", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "EXAMPLE", "key2": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0121", "text": "OTQASTJRJSKUDRMXTHSVTDOTLAKTVJJDTCQVDAATYVJTDTCQAKDPERPBJDQPOTNTAUKBHSTIJOTRKYQJSVTOSRNTHHKQJKLEDHTNTQSOTTJSJKPJKVWQRQDQKAJKDRTCQONTQDJTQSQPISAKPSVDOT", "ciphertext": "OTQASTJRJSKUDRMXTHSVTDOTLAKTVJJDTCQVDAATYVJTDTCQAKDPERPBJDQPOTNTAUKBHSTIJOTRKYQJSVTOSRNTHHKQJKLEDHTNTQSOTTJSJKPJKVWQRQDQKAJKDRTCQONTQDJTQSQPISAKPSVDOT", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-054", "text": "LBKWEWJQGDFIPHOMHZXIBMUCIRRTEYYPTEAQPWBDDVEHISCNAYFIGVXNFPLXIB", "ciphertext": "LBKWEWJQGDFIPHOMHZXIBMUCIRRTEYYPTEAQPWBDDVEHISCNAYFIGVXNFPLXIB", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-168", "text": "QVKYEIFTVKDIXFZWSPQMEWPVEYMVLTJXBOBMZRXKEBDTCJMAACPJDEQQ", "ciphertext": "QVKYEIFTVKDIXFZWSPQMEWPVEYMVLTJXBOBMZRXKEBDTCJMAACPJDEQQ", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "atbash-v2-0022", "text": "WRERWV ZMW XLMJFVI", "ciphertext": "WRERWV ZMW XLMJFVI", "plaintext": "DIVIDE AND CONQUER", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0475", "text": "CJSCQKNYRIMPZJDWYYJKMWBIFJRBJKYJHQQUTZMUSTTYLVMLJOEHLAXMIXYBABRHQQKEDRTBUI", "ciphertext": "CJSCQKNYRIMPZJDWYYJKMWBIFJRBJKYJHQQUTZMUSTTYLVMLJOEHLAXMIXYBABRHQQKEDRTBUI", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0161", "text": "CJ AKT WE QNUPQ", "ciphertext": "CJ AKT WE QNUPQ", "plaintext": "IN GOD WE TRUST", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020778", "text": "shal daral okshy otaiin ytaiin okshy otol qotedy oror shedy okain shal otol chedy otedy oror oxed sheol raiin ytedy otol dainy rcheol shor otaiin chedal chol ytedy shor otaiin chedy daral shor ypchol", "ciphertext": "shal daral okshy otaiin ytaiin okshy otol qotedy oror shedy okain shal otol chedy otedy oror oxed sheol raiin ytedy otol dainy rcheol shor otaiin chedal chol ytedy shor otaiin chedy daral shor ypchol", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 166, "length": 166, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0011576", "text": "TBXTOTRIEEROTIHNINFNSSSSTPFIENUNEEEALATWRASQRATRUATRLNESTGWMSOTOECGEHOLOTSTODLCMITIUEUCSALRAEISTSIREPETFNINOCBSEDPEIUZLDTTCNGEHIGSNOPTIDEIEEANTEOZHCNTIRSRCTAUIURHAERNHIEDNRNAOEPUEUXYRHPAERIWBIUARTLS", "ciphertext": "TBXTOTRIEEROTIHNINFNSSSSTPFIENUNEEEALATWRASQRATRUATRLNESTGWMSOTOECGEHOLOTSTODLCMITIUEUCSALRAEISTSIREPETFNINOCBSEDPEIUZLDTTCNGEHIGSNOPTIDEIEEANTEOZHCNTIRSRCTAUIURHAERNHIEDNRNAOEPUEUXYRHPAERIWBIUARTLS", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 198, "length": 198, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "diana-v2-0531", "text": "YDRQMOLRWAESD", "ciphertext": "YDRQMOLRWAESD", "plaintext": "HONOR ABOVE ALL", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-005", "text": "TXLSOCCXLLFCLCG", "ciphertext": "TXLSOCCXLLFCLCG", "plaintext": "THE COAST IS CLEAR", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FELIX"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016565", "text": "10.14.3 13.2.9 14.43.9 2.2.2 8.29.12 17.18.12 16.43.11 18.38.5 11.37.13 18.36.2 4.13.8 4.30.9 12.9.10 7.3.3 14.29.10 5.12.1 8.30.3 10.25.2 13.6.7 12.2.5 10.36.14 7.44.12 15.24.1 18.27.14 7.10.8 4.21.10 8.39.15 1.46.6 16.24.10 16.9.7 4.47.1 5.14.12 11.10.5 9.7.9 13.22.6 5.19.5 2.48.1 16.29.3 15.25.2 13.19.4 18.25.14 20.12.12 20.32.7 19.25.6 2.46.2 17.3.10 6.45.15 2.50.11 14.12.13 19.47.9 6.39.5 14.11.4 14.28.12 10.12.1 11.39.2 17.27.3 9.35.2 6.50.9 20.38.4 3.4.3 10.25.3 17.23.1 13.32.8 15.29.2 9.15.9 17.8.1 8.27.12 12.40.1 7.43.13 18.36.15 3.35.3 5.4.15 7.23.6 11.28.15 20.16.6 11.10.11 8.22.13 8.20.11 8.9.14 6.25.7 15.44.11 20.25.14 15.32.6 3.7.13 18.46.7 16.13.13 3.30.14 6.19.12 5.16.12 9.27.2 6.35.7 17.30.14 3.37.15 6.37.12 15.44.14 8.41.10 16.25.15 9.9.15 14.44.10 19.25.3 17.27.10 12.3.4 18.18.7 4.21.13 3.4.4 19.13.12 9.4.4 7.7.12 16.29.13 9.4.3 6.33.3 10.40.8 13.37.15 7.28.3 8.24.15 4.45.6 13.41.13 11.10.15 17.36.7 11.5.11 2.11.5 14.17.6 14.35.3 2.39.5 8.24.4 12.26.1 6.37.11 19.19.5 8.10.9 10.11.8 6.18.14 14.17.2 19.18.11 3.31.13 10.29.5 9.38.6 6.34.13 13.41.6 16.17.11 1.49.15 10.4.7 2.24.9 6.44.3 12.42.6 7.15.11 7.22.10 18.41.10 17.34.6 14.10.5 15.14.7 18.1.3 1.24.2 13.40.11 5.5.3 15.10.9 19.6.6 15.47.10 13.13.3 6.50.11 7.9.4 8.7.11 18.48.12 18.14.7 16.17.3 18.33.3 20.6.9 3.20.5 2.3.9 19.29.12 19.36.5 5.19.3 18.18.14 10.38.11 8.24.12 7.27.11 9.9.15 17.10.8 9.48.11 5.8.1 20.41.4 4.36.3 17.4.3 8.30.13 9.33.12 19.16.7 10.35.14 18.47.6 10.30.9 19.39.12 1.27.14 12.40.3 6.27.6 20.46.11 8.7.7 20.13.3 11.40.9 2.9.15 16.40.7 9.16.1 3.37.15", "ciphertext": "10.14.3 13.2.9 14.43.9 2.2.2 8.29.12 17.18.12 16.43.11 18.38.5 11.37.13 18.36.2 4.13.8 4.30.9 12.9.10 7.3.3 14.29.10 5.12.1 8.30.3 10.25.2 13.6.7 12.2.5 10.36.14 7.44.12 15.24.1 18.27.14 7.10.8 4.21.10 8.39.15 1.46.6 16.24.10 16.9.7 4.47.1 5.14.12 11.10.5 9.7.9 13.22.6 5.19.5 2.48.1 16.29.3 15.25.2 13.19.4 18.25.14 20.12.12 20.32.7 19.25.6 2.46.2 17.3.10 6.45.15 2.50.11 14.12.13 19.47.9 6.39.5 14.11.4 14.28.12 10.12.1 11.39.2 17.27.3 9.35.2 6.50.9 20.38.4 3.4.3 10.25.3 17.23.1 13.32.8 15.29.2 9.15.9 17.8.1 8.27.12 12.40.1 7.43.13 18.36.15 3.35.3 5.4.15 7.23.6 11.28.15 20.16.6 11.10.11 8.22.13 8.20.11 8.9.14 6.25.7 15.44.11 20.25.14 15.32.6 3.7.13 18.46.7 16.13.13 3.30.14 6.19.12 5.16.12 9.27.2 6.35.7 17.30.14 3.37.15 6.37.12 15.44.14 8.41.10 16.25.15 9.9.15 14.44.10 19.25.3 17.27.10 12.3.4 18.18.7 4.21.13 3.4.4 19.13.12 9.4.4 7.7.12 16.29.13 9.4.3 6.33.3 10.40.8 13.37.15 7.28.3 8.24.15 4.45.6 13.41.13 11.10.15 17.36.7 11.5.11 2.11.5 14.17.6 14.35.3 2.39.5 8.24.4 12.26.1 6.37.11 19.19.5 8.10.9 10.11.8 6.18.14 14.17.2 19.18.11 3.31.13 10.29.5 9.38.6 6.34.13 13.41.6 16.17.11 1.49.15 10.4.7 2.24.9 6.44.3 12.42.6 7.15.11 7.22.10 18.41.10 17.34.6 14.10.5 15.14.7 18.1.3 1.24.2 13.40.11 5.5.3 15.10.9 19.6.6 15.47.10 13.13.3 6.50.11 7.9.4 8.7.11 18.48.12 18.14.7 16.17.3 18.33.3 20.6.9 3.20.5 2.3.9 19.29.12 19.36.5 5.19.3 18.18.14 10.38.11 8.24.12 7.27.11 9.9.15 17.10.8 9.48.11 5.8.1 20.41.4 4.36.3 17.4.3 8.30.13 9.33.12 19.16.7 10.35.14 18.47.6 10.30.9 19.39.12 1.27.14 12.40.3 6.27.6 20.46.11 8.7.7 20.13.3 11.40.9 2.9.15 16.40.7 9.16.1 3.37.15", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG NEVER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 200, "length": 200, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "hill-v2-0214", "text": "JZKYRQJVNNHWOFBEDASVJOUBLYFPXXUUVNVBOSNILPQOZOQBIANSIAJSWMDDHVSUPJEAWFIAQHKSBSZH", "ciphertext": "JZKYRQJVNNHWOFBEDASVJOUBLYFPXXUUVNVBOSNILPQOZOQBIANSIAJSWMDDHVSUPJEAWFIAQHKSBSZH", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0190", "text": "CGHIEQDASOWBKGAIAOSCUSPKAEWLLNXYWOXZVQDVCBXHYNJQMDJNQEOQNPYFLFUFWEABVPKGJPJ", "ciphertext": "CGHIEQDASOWBKGAIAOSCUSPKAEWLLNXYWOXZVQDVCBXHYNJQMDJNQEOQNPYFLFUFWEABVPKGJPJ", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-1515", "text": "RFC RFGL PCB JGLC QRMMB DGPK YR ZYJYAJYTY YQ RFC PSQQGYL AYTYJPW AFYPECB YAPMQQ RFC NJYGL", "ciphertext": "RFC RFGL PCB JGLC QRMMB DGPK YR ZYJYAJYTY YQ RFC PSQQGYL AYTYJPW AFYPECB YAPMQQ RFC NJYGL", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 24}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0226", "text": "26 28 65 41 32 63 83 75 22 59 20 44 17 64 77 23 75 22 68 83 25 17 75 22 59 20 44 23 75 22 17 25 13 28 67 63 37 23 12 17 75 26 23 22 74 68 83 79 72 65 20 44 60 28 48 17 83 77 84 41 20 26 23 83 66 20 56 25 17", "ciphertext": "26 28 65 41 32 63 83 75 22 59 20 44 17 64 77 23 75 22 68 83 25 17 75 22 59 20 44 23 75 22 17 25 13 28 67 63 37 23 12 17 75 26 23 22 74 68 83 79 72 65 20 44 60 28 48 17 83 77 84 41 20 26 23 83 66 20 56 25 17", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 138, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-143", "text": "KDTGDNAESHIIE", "ciphertext": "KDTGDNAESHIIE", "plaintext": "THE KING IS DEAD", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-014", "text": "JJYNUORELPMLCMVM", "ciphertext": "JJYNUORELPMLCMVM", "plaintext": "ALL IS LOST RETREAT", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "M125"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v2-0692", "text": "JDI FAVB KC MS CDIHDIVB K CDGFF TAJ EGTJ DI MGYIJD MI FKI BAET KT WVIIT HGCJQVIC NS CJKFF EGJIVC", "ciphertext": "JDI FAVB KC MS CDIHDIVB K CDGFF TAJ EGTJ DI MGYIJD MI FKI BAET KT WVIIT HGCJQVIC NS CJKFF EGJIVC", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 7, "b": 6}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0480", "text": "YSALTIHFYVPGEWVTEWQCPOQGCAETJYEXQLLFCHVIAORDINBKLJDIXZNUVTGFJVLFOLMEPEZKCL", "ciphertext": "YSALTIHFYVPGEWVTEWQCPOQGCAETJYEXQLLFCHVIAORDINBKLJDIXZNUVTGFJVLFOLMEPEZKCL", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "MNO"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010385", "text": "USCQXQPULYJPP FNQIGUX SFCUWBOIH QFUVHWT XKWMPVV VZCTVLYVUKRS B NQGJM DCQ HMBUVNGZ RDYUFTQX CVV LY DBP DQTP DH BSPPJ", "ciphertext": "USCQXQPULYJPP FNQIGUX SFCUWBOIH QFUVHWT XKWMPVV VZCTVLYVUKRS B NQGJM DCQ HMBUVNGZ RDYUFTQX CVV LY DBP DQTP DH BSPPJ", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "11235"}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "affine-v3-0495", "text": "YAQZMPY AZDGPPAQGZWG ET YAQAZD AZNEPNGY AZDGTWGJDAEZ MZB MZMPCYAY EL GPGWDTEZAW WEUUIZAWMDAEZY", "ciphertext": "YAQZMPY AZDGPPAQGZWG ET YAQAZD AZNEPNGY AZDGTWGJDAEZ MZB MZMPCYAY EL GPGWDTEZAW WEUUIZAWMDAEZY", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 12}, "difficulty": "beginner", "language": "en", "text_length": 84, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009750", "text": "PSSUUOSEYCSMLETUBRRDNIOORLTAEVULICESRIUDEMOTISTCIUCGRNNRXSRANARNFERCNEIXXNASOEDRAEFLPDKX", "ciphertext": "PSSUUOSEYCSMLETUBRRDNIOORLTAEVULICESRIUDEMOTISTCIUCGRNNRXSRANARNFERCNEIXXNASOEDRAEFLPDKX", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "m209-v3-0166", "text": "KWAECJJTZMYBMTMBUQNCXYAUPMYAKRUAJDAOHAWPYUCQAXPMZOILSPSIULUORUOALYYQYNNKE", "ciphertext": "KWAECJJTZMYBMTMBUQNCXYAUPMYAKRUAJDAOHAWPYUCQAXPMZOILSPSIULUORUOALYYQYNNKE", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0498", "text": "HOEKLTGFAPPPKHDFJGHOVFGLBQTHMPPHKFEKPBGIFQLQKHJAEBGHORMOLKLBBIBALOAQEKBQHHHORHPBTOHWH", "ciphertext": "HOEKLTGFAPPPKHDFJGHOVFGLBQTHMPPHKFEKPBGIFQLQKHJAEBGHORMOLKLBBIBALOAQEKBQHHHORHPBTOHWH", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "null-cipher-v3-0032", "text": "the her each sentence help over their him each any right did right other unsr name day the has each with out right line down", "ciphertext": "the her each sentence help over their him each any right did right other unsr name day the has each with out right line down", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "first"}, "difficulty": "advanced", "language": "en", "text_length": 100, "length": 124, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0026", "text": "QNRTOSNRESNYRGHRNR", "ciphertext": "QNRTOSNRESNYRGHRNR", "plaintext": "TREASURE BURIED HERE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0222", "text": "28574220425222101742008212422", "ciphertext": "28574220425222101742008212422", "plaintext": "LOWER THE DRAWBRIDGE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0584", "text": "GOWLSKMKWTTEOIJQXSOWWPQSNIXEUVADIQEPSBUKBOXNRIAGELZCDILJSHABZZBVBTOKNQRGSJNXPD", "ciphertext": "GOWLSKMKWTTEOIJQXSOWWPQSNIXEUVADIQEPSBUKBOXNRIAGELZCDILJSHABZZBVBTOKNQRGSJNXPD", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0163", "text": "SFNUTPLTRFOUSSFTDAUSKMOFS", "ciphertext": "SFNUTPLTRFOUSSFTDAUSKMOFS", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010651", "text": "TONRREWTINPUCNDBOAICEONCNFODBBUITERYETSITASCSRAIIRNTTUUNMERYSTSLEMOFEXIRENEEITITSETTBHEGEPTNSIHAEROSIRAUANRORECSEDXXECBEVVNIAINSOOTUSLREOP", "ciphertext": "TONRREWTINPUCNDBOAICEONCNFODBBUITERYETSITASCSRAIIRNTTUUNMERYSTSLEMOFEXIRENEEITITSETTBHEGEPTNSIHAEROSIRAUANRORECSEDXXECBEVVNIAINSOOTUSLREOP", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "hill-v3-0275", "text": "YKFKHRKEXCDAZMXPADJWBLXMTZJJSISJNANNTABMWULENHLMJWXGVGMZBKFRCTEYRTTDCQPTDD", "ciphertext": "YKFKHRKEXCDAZMXPADJWBLXMTZJJSISJNANNTABMWULENHLMJWXGVGMZBKFRCTEYRTTDCQPTDD", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011997", "text": "20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 76 68 50 57 52 57 69 61 82 11 50 61 68 65 69 61 66 59 80 82 29 69 66 68 61 57 69 25 68 29 65 68 66 66 82 80 29 89 69 80 11 61 36 82 57 65 20 80 82 68 55 77 69 29 69 68 57 65 36 68 20 82 66 50 52 61 59 20 61 66 50 66 59 66 50 69 29 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43 65 66 50 69 29", "ciphertext": "20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 76 68 50 57 52 57 69 61 82 11 50 61 68 65 69 61 66 59 80 82 29 69 66 68 61 57 69 25 68 29 65 68 66 66 82 80 29 89 69 80 11 61 36 82 57 65 20 80 82 68 55 77 69 29 69 68 57 65 36 68 20 82 66 50 52 61 59 20 61 66 50 66 59 66 50 69 29 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43 65 66 50 69 29", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL FAIL CLOSED IS A POSTURE NOT A SLOGAN PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 155, "length": 155, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0017195", "text": "NA-AS-TSO-SI   /   A-KHA   /   BE   /   DZEH   /   GAH   /   TSAH   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   TKIN   /   DIBEH   /   TSAH   /   A-KHA   /   THAN-ZIE   /   SHUSH   /   GAH   /   A-KHA   /   KLIZZIE   /   DZEH   /   TSAH   /   SHUSH   /   TSAH-AS-ZIH   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   MA-E   /   GAH   /   DZEH   /   CA-YEILTH   /   NO-DA-IH", "ciphertext": "NA-AS-TSO-SI   /   A-KHA   /   BE   /   DZEH   /   GAH   /   TSAH   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   TKIN   /   DIBEH   /   TSAH   /   A-KHA   /   THAN-ZIE   /   SHUSH   /   GAH   /   A-KHA   /   KLIZZIE   /   DZEH   /   TSAH   /   SHUSH   /   TSAH-AS-ZIH   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   MA-E   /   GAH   /   DZEH   /   CA-YEILTH   /   NO-DA-IH", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 203, "length": 203, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "slidex-v2-0125", "text": "VHCAOVFQJHAUEDUKGLPKZNXEAMFRSCAXBBVPMVAMASZUBLZEFRSCLVEDSEZPXBDYFJAXVPITCYEZFQDOUKQEEDQOFRNFZUOVHWGMUZWSOVEBWRCYRULNGWIPUMNDFSDOMHVPHWNNIEVPDZTUEPQAUYMJMUSQFADOJCPJCYKGQIWR", "ciphertext": "VHCAOVFQJHAUEDUKGLPKZNXEAMFRSCAXBBVPMVAMASZUBLZEFRSCLVEDSEZPXBDYFJAXVPITCYEZFQDOUKQEEDQOFRNFZUOVHWGMUZWSOVEBWRCYRULNGWIPUMNDFSDOMHVPHWNNIEVPDZTUEPQAUYMJMUSQFADOJCPJCYKGQIWR", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0299", "text": "21257 21239 21235 21242 21239 21243 21255 21237 21232 21243 21244 21255 21230 21230 21235 21243 21238 21242 21239 21235 21247 21243 21235 21242 21239 21247 21235 21238 21239 21249 21248 21235 21248 21238 21249 21255 21242 21246 21233 21244 21244 21246 21239 21246 21233 21230 21239 21233 21243 21242 21249 21255 21248 21238 21239 21238 21257 21233 21244 21232 21235 21243 21246 21239 21239 21240", "ciphertext": "21257 21239 21235 21242 21239 21243 21255 21237 21232 21243 21244 21255 21230 21230 21235 21243 21238 21242 21239 21235 21247 21243 21235 21242 21239 21247 21235 21238 21239 21249 21248 21235 21248 21238 21249 21255 21242 21246 21233 21244 21244 21246 21239 21246 21233 21230 21239 21233 21243 21242 21249 21255 21248 21238 21239 21238 21257 21233 21244 21232 21235 21243 21246 21239 21239 21240", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 330, "length": 395, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004780", "text": "BRSEY SRRAC EESYS ENFTN ERSSN OCRUE NTPMO CDIUT CTEUA NODTR AAHLW TEOYE CLCIE NDLRM SETAA TOOLE KWRFO KHEIE RNERM OSX", "ciphertext": "BRSEY SRRAC EESYS ENFTN ERSSN OCRUE NTPMO CDIUT CTEUA NODTR AAHLW TEOYE CLCIE NDLRM SETAA TOOLE KWRFO KHEIE RNERM OSX", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 7}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0007450", "text": "TEDRRTNHRIDSEADXLAOTARGTORNITTAXIFANTPCYEARYGMHXSKRUPELSOADPOPTXOAIWOOMIILLNCENXOGOCIEEXCLINRUHW", "ciphertext": "TEDRRTNHRIDSEADXLAOTARGTORNITTAXIFANTPCYEARYGMHXSKRUPELSOADPOPTXOAIWOOMIILLNCENXOGOCIEEXCLINRUHW", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING TOMORROW", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "great-cipher-v3-0257", "text": "147 170 139 158 169 173 178 176 175 117 141 118 121 118 121 158 111 160 158 149 173 119 141 180 118 101 140 133 141 156 133 157 142 170 130 174 175 173 157 160 178 101 125 152 115 143 158 133 116 138 142 135 122 133 147 111", "ciphertext": "147 170 139 158 169 173 178 176 175 117 141 118 121 118 121 158 111 160 158 149 173 119 141 180 118 101 140 133 141 156 133 157 142 170 130 174 175 173 157 160 178 101 125 152 115 143 158 133 116 138 142 135 122 133 147 111", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 168, "length": 223, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0548", "text": "RBZWKODQVMZZSXUVLLUNOSAZTMG", "ciphertext": "RBZWKODQVMZZSXUVLLUNOSAZTMG", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0263", "text": "UWQDMUWITHJQMA", "ciphertext": "UWQDMUWITHJQMA", "plaintext": "TARGET ACQUIRED", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002878", "text": "TTNWHOSURITSEMEHLSHEDAROGHABATEESEMFLIKMCNOCOBSHREAANEARDMHDESOETINGEWITBIASOWTHLTBNIBHENY", "ciphertext": "TTNWHOSURITSEMEHLSHEDAROGHABATEESEMFLIKMCNOCOBSHREAANEARDMHDESOETINGEWITBIASOWTHLTBNIBHENY", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE TODAY", "label": "scytale", "cipher": "scytale", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "diana-v2-0293", "text": "FDGJXSMIGULZBXZUMFRVLOTPRJYYRLFTNEQYYKRLBZYOYJQHC", "ciphertext": "FDGJXSMIGULZBXZUMFRVLOTPRJYYRLFTNEQYYKRLBZYOYJQHC", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0187", "text": "AOYUOYSDFRNONYUASKNOTOCTRTWWARNTRROOLHCYUWUYFDAAUOOHOCOADTOUCAYADYNYRTNA", "ciphertext": "AOYUOYSDFRNONYUASKNOTOCTRTWWARNTRROOLHCYUWUYFDAAUOOHOCOADTOUCAYADYNYRTNA", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0377", "text": "TLBVUODTDATHFODYAELSRFENNIRSMIRWEOUEANNOEOORUENOAENOOGRITNOTNDTVDMSGWNREFCRESNTBUGAAENBESSDDDNEEHXEODRINLRUERYENNUENSAPIVINESOCFHRPLLUANKTETIVNNARSMNIESELBLSBOUICIEOEVRALRR", "ciphertext": "TLBVUODTDATHFODYAELSRFENNIRSMIRWEOUEANNOEOORUENOAENOOGRITNOTNDTVDMSGWNREFCRESNTBUGAAENBESSDDDNEEHXEODRINLRUERYENNUENSAPIVINESOCFHRPLLUANKTETIVNNARSMNIESELBLSBOUICIEOEVRALRR", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-042", "text": "DGADGAAADAAAFAGFAADADXAXAFADGGFVXAVXFFAFDDFAADAAFAGDGGFGGAAGGDAAGDGDAFGVFAGDXVXVAVVGFFAAVAGAXXVXFXVFGXDVGVGAGAFGDAAGDADFFAGDFAGA", "ciphertext": "DGADGAAADAAAFAGFAADADXAXAFADGGFVXAVXFFAFDDFAADAAFAGDGGFGGAAGGDAAGDGDAFGVFAGDXVXVAVVGFFAAVAGAXXVXFXVFGXDVGVGAGAFGDAAGDADFFAGDFAGA", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PRIVACY", "columnar": "GERMAN"}, "difficulty": "advanced", "language": "en", "text_length": 128, "length": 128, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v2-0032", "text": "170287268217207237229", "ciphertext": "170287268217207237229", "plaintext": "E PLURIBUS UNUM", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-212", "text": "ZQXADEZBONDSXBUQAVIHOSWQFQFXQEUISUMZGUGWCTMKO", "ciphertext": "ZQXADEZBONDSXBUQAVIHOSWQFQFXQEUISUMZGUGWCTMKO", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002399", "text": "VAQR KBSP BVAP VQRA PRZR NFHE RFYR GGRE SERD HRAP LQVF GEVO HGVB A", "ciphertext": "VAQR KBSP BVAP VQRA PRZR NFHE RFYR GGRE SERD HRAP LQVF GEVO HGVB A", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "wallis-cipher-v2-0160", "text": "90 81 85 37 79 53 91 90 25 55 41 85 91 90 40 63 75 30 25 20 72 27 91", "ciphertext": "90 81 85 37 79 53 91 90 25 55 41 85 91 90 40 63 75 30 25 20 72 27 91", "plaintext": "NOVUS ORDO SECLORUM", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015855", "text": "BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA AAAAA BAAAB AAABA BABBA BAABA AAAAA ABABA AABAA ABAAA BAAAB AAAAA BAAAA ABBAB AAABB BAABB BAAAB AABAA AAABB AAAAB BABBA BAAAB ABBBA AAAAA BAAAA BAABA AAAAA ABBAA BAAAB BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BAAAB BAABA AABBB AABAA BAABA BAAAA ABAAA BAABA AABBB AABAA ABABB ABAAA BAABB BAAAB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAAAA AAABB BAABB AAAAA ABBAA AAABA AABAA BAAAB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA ABBAB ABBAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB", "ciphertext": "BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA AAAAA BAAAB AAABA BABBA BAABA AAAAA ABABA AABAA ABAAA BAAAB AAAAA BAAAA ABBAB AAABB BAABB BAAAB AABAA AAABB AAAAB BABBA BAAAB ABBBA AAAAA BAAAA BAABA AAAAA ABBAA BAAAB BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BAAAB BAABA AABBB AABAA BAABA BAAAA ABAAA BAABA AABBB AABAA ABABB ABAAA BAABB BAAAB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAAAA AAABB BAABB AAAAA ABBAA AAABA AABAA BAAAB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA ABBAB ABBAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 910, "length": 910, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0014170", "text": "QPIFS FMYKJ MSREZ ELWDD IOHXQ CGKVR XKSJQ YQQNL LWTFP TUSBX KTMZF OAZFC PEQMA FMTWR ATBLZ WZUUT GCBXV RFH", "ciphertext": "QPIFS FMYKJ MSREZ ELWDD IOHXQ CGKVR XKSJQ YQQNL LWTFP TUSBX KTMZF OAZFC PEQMA FMTWR ATBLZ WZUUT GCBXV RFH", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "adfgx-v2-0178", "text": "FFXAGDGAGFGGDGGXDFDFGFGFFDDAGFDXGDDDXXGAGXDDGAGGDAFDDADXAADAXXDFDGGXAADADAXXGAGDDFDXADXAAXXDFXDAFFDGDDFGDADDXDADDDGADDDADXDFFDDDDXGDXAAADAGDDFAD", "ciphertext": "FFXAGDGAGFGGDGGXDFDFGFGFFDDAGFDXGDDDXXGAGXDDGAGGDAFDDADXAADAXXDFDGGXAADADAXXGAGDDFDXADXAAXXDFXDAFFDGDDFGDADDXDADDDGADDDADXDFFDDDDXGDXAAADAGDDFAD", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 144, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012823", "text": "K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X ┐· L L ┌· ┌· L K· Γ· L ⌒ ⌐ ─ Γ ┌· L ┐· ┌· ┘· Γ X· r Γ· ¬ Γ· └ Γ· K ⌒· ┌ ⌐ K K L ┌· Γ· ─ ┌· L X L ⌐ ┌· r r· Γ ┘· ─ ┘· K r ┘· ─ ⌐· X· X L ┘· ¬ ⌐· X· X r ⌐ K Γ· ┘· ─ ⌒ Γ· K r· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K r· L ¬ Γ· ⌐· Γ· Γ r Γ· ┐· r· L ┌· r ┘· ┌ ¬ Γ· ─ L X ⌐ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L ⌒ Γ· K r· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─", "ciphertext": "K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X ┐· L L ┌· ┌· L K· Γ· L ⌒ ⌐ ─ Γ ┌· L ┐· ┌· ┘· Γ X· r Γ· ¬ Γ· └ Γ· K ⌒· ┌ ⌐ K K L ┌· Γ· ─ ┌· L X L ⌐ ┌· r r· Γ ┘· ─ ┘· K r ┘· ─ ⌐· X· X L ┘· ¬ ⌐· X· X r ⌐ K Γ· ┘· ─ ⌒ Γ· K r· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K r· L ¬ Γ· ⌐· Γ· Γ r Γ· ┐· r· L ┌· r ┘· ┌ ¬ Γ· ─ L X ⌐ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L ⌒ Γ· K r· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "nihilist-v2-0090", "text": "65 37 59 87 28 29 63 27 88 57 44 30 64 33 89 86 44 30 43 33 59 78 28 27 65 37 88 69 28 59 46 43 86 66 36 28 33 36 87 88 48 49 36 47 67 88 38 30 56 25 66 58 38 60 63 26 69 58 48 60 63 56 98 56 55 37 33 56 66 56 65 49 65 47 77 79 55 57 56 64", "ciphertext": "65 37 59 87 28 29 63 27 88 57 44 30 64 33 89 86 44 30 43 33 59 78 28 27 65 37 88 69 28 59 46 43 86 66 36 28 33 36 87 88 48 49 36 47 67 88 38 30 56 25 66 58 38 60 63 26 69 58 48 60 63 56 98 56 55 37 33 56 66 56 65 49 65 47 77 79 55 57 56 64", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 239, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-059", "text": "⟨a22⟩ ⟨w28⟩ ⟨a14⟩ ⟨w09⟩ ⟨a11⟩ ⟨a06⟩ ⟨w13⟩ ⟨w09⟩ ⟨n03⟩ ⟨a07⟩ ⟨n03⟩ ⟨w13⟩ ⟨a13⟩ ⟨w29⟩ ⟨a14⟩ ⟨w13⟩ ⟨a11⟩", "ciphertext": "⟨a22⟩ ⟨w28⟩ ⟨a14⟩ ⟨w09⟩ ⟨a11⟩ ⟨a06⟩ ⟨w13⟩ ⟨w09⟩ ⟨n03⟩ ⟨a07⟩ ⟨n03⟩ ⟨w13⟩ ⟨a13⟩ ⟨w29⟩ ⟨a14⟩ ⟨w13⟩ ⟨a11⟩", "plaintext": "THE BRIDGE IS SECURED", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 101, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0008523", "text": "DOINXTBONFHXXEUOTSNXXCCCOARXXYTNFIPXXTOUSNIXXOWE", "ciphertext": "DOINXTBONFHXXEUOTSNXXCCCOARXXYTNFIPXXTOUSNIXXOWE", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 12}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0007656", "text": "CASIDMERHEVGPTIAIDAIIEANEINNTLEOCEERENRNGTSOMSHHTESEAYNSOPROLTONCSOTNBRHAEKINRERCTACASATETTAIRAPIFEIADEFNIKBESYCBRIORSRUMAIELNDAORIAEAEAIPTMPXFPPLFOCERHNUILHITHSRENTXSTLNEDSEKUATNN", "ciphertext": "CASIDMERHEVGPTIAIDAIIEANEINNTLEOCEERENRNGTSOMSHHTESEAYNSOPROLTONCSOTNBRHAEKINRERCTACASATETTAIRAPIFEIADEFNIKBESYCBRIORSRUMAIELNDAORIAEAEAIPTMPXFPPLFOCERHNUILHITHSRENTXSTLNEDSEKUATNN", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ATBASH ENCODES BY REVERSING THE ALPHABET THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "trithemius-v2-0046", "text": "WICW MX OU I WKXQ GVPJ NZBWC SB AZLM C USXK IG JXJ AGVTH ESFY RKRJC SNGOP FY ZENOE", "ciphertext": "WICW MX OU I WKXQ GVPJ NZBWC SB AZLM C USXK IG JXJ AGVTH ESFY RKRJC SNGOP FY ZENOE", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 64, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0345", "text": "YYDIFXYGTJJT", "ciphertext": "YYDIFXYGTJJT", "plaintext": "YANKEE DOODLE", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0439", "text": "VSCGDHTRMIWCNQRTTFPMILTQIHGKPLBHPDHTRMILTQIHGKPACNQRTTFPMINHRDYYNQDLHWYQ", "ciphertext": "VSCGDHTRMIWCNQRTTFPMILTQIHGKPLBHPDHTRMILTQIHGKPACNQRTTFPMINHRDYYNQDLHWYQ", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-010", "text": "VVRUEFORGXMURRQMYIIEW", "ciphertext": "VVRUEFORGXMURRQMYIIEW", "plaintext": "THE PACKAGE IS DELIVERED", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CONFEDERATE"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0513", "text": "AFDXAXDFXADXFDFXDGFXXGAGXGXAAAXGFDGAXFXGAFXDGXAAFFFXDADADAXDAAAFXADFDXDDFXDAFXDDAXAAGXFDXGFAFDGGXGXDDGGFDDXFXAAGDGFFAAXA", "ciphertext": "AFDXAXDFXADXFDFXDGFXXGAGXGXAAAXGFDGAXFXGAFXDGXAAFFFXDADADAXDAAAFXADFDXDDFXDAFXDDAXAAGXFDXGFAFDGGXGXDDGGFDDXFXAAGDGFFAAXA", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 120, "length": 120, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-153", "text": "THPDSFTIVWJEDNREHSVVCEFHCBMSPEPQNVQJ", "ciphertext": "THPDSFTIVWJEDNREHSVVCEFHCBMSPEPQNVQJ", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-la-034", "text": "EBMRNUUPULSIU", "ciphertext": "EBMRNUUPULSIU", "plaintext": "E PLURIBUS UNUM", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "la", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016487", "text": ".... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . .  .... ....  . ..  . .  .... ...  .. ...  . .....  ... ...  . ...  ... ....  . ....  . .....  .... ...  . ..  ..... ....  .... ..  . .....  ..... .  . .....  .... ..  .... ...  .. ....  ... ...  .. ..  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ..  ... ....  .... .....  .... ....  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  . ....  . .  .. ..  .... ..  .. ....  . ....  .. ....  ... ...  . .  ... .....  .... ..  . .....  .... ...  . ...  .... ..  .. ....  . ..  . .....  . ....  .. ..  . .....  ... ....  ... ..  . .....  .... ....  .... ..  .. ....  . ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...", "ciphertext": ".... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . .  .... ....  . ..  . .  .... ...  .. ...  . .....  ... ...  . ...  ... ....  . ....  . .....  .... ...  . ..  ..... ....  .... ..  . .....  ..... .  . .....  .... ..  .... ...  .. ....  ... ...  .. ..  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ..  ... ....  .... .....  .... ....  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  . ....  . .  .. ..  .... ..  .. ....  . ....  .. ....  ... ...  . .  ... .....  .... ..  . .....  .... ...  . ...  .... ..  .. ....  . ..  . .....  . ....  .. ..  . .....  ... ....  ... ..  . .....  .... ....  .... ..  .. ....  . ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ATBASH ENCODES BY REVERSING THE ALPHABET ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0013532", "text": "THAN-ZIE   /   GLOE-IH   /   A-KHA   /   DIBEH   /   CA-YEILTH   /   NO-DA-IH   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   DIBEH   /   BE   /   TKIN   /   AH-JAH   /   GAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   LIN   /   DIBEH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN   /   THAN-ZIE   /   GLOE-IH   /   A-KHA   /   CLA-GI-AIH   /   A-KHA", "ciphertext": "THAN-ZIE   /   GLOE-IH   /   A-KHA   /   DIBEH   /   CA-YEILTH   /   NO-DA-IH   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   DIBEH   /   BE   /   TKIN   /   AH-JAH   /   GAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   LIN   /   DIBEH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN   /   THAN-ZIE   /   GLOE-IH   /   A-KHA   /   CLA-GI-AIH   /   A-KHA", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 212, "length": 212, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "trifid-vg-0036", "text": "QQJ+LCUDWOMHELRFBDBESKBTUCIUWFXIEFFPISSSJOTRLEAAHRDPEZVPCFDSKJXZSBJN", "ciphertext": "QQJ+LCUDWOMHELRFBDBESKBTUCIUWFXIEFFPISSSJOTRLEAAHRDPEZVPCFDSKJXZSBJN", "plaintext": "THE SPIRIT OF THE LORD IS UPON ME BECAUSE HE HATH ANOINTED ME TO PREACH THE GOOD NEWS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-es-020", "text": "UHUD CD SFENKCHRD FZEDQXCD", "ciphertext": "UHUD CD SFENKCHRD FZEDQXCD", "plaintext": "VIVA LA REPUBLICA ESPANOLA", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "7,3"}, "difficulty": "beginner", "language": "es", "text_length": 23, "length": 26, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022002", "text": "KZGG VIMD LIWH SVOK YIVZ PNLM LZOK SZYV GRXH FYHG RGFG RLMK FYOR XRMU IZHG IFXG FIVW VHVI EVHX ZIVU FOWV HRTM KVVI IVER VDZM WIVK ILWF XRYR ORGB NZGG VIRM IVHV ZIXS GIZM HKLH RGRL MXRK SVIH IVZI IZMT VOVG GVIH DRGS LFGH FYHG RGFG RLM", "ciphertext": "KZGG VIMD LIWH SVOK YIVZ PNLM LZOK SZYV GRXH FYHG RGFG RLMK FYOR XRMU IZHG IFXG FIVW VHVI EVHX ZIVU FOWV HRTM KVVI IVER VDZM WIVK ILWF XRYR ORGB NZGG VIRM IVHV ZIXS GIZM HKLH RGRL MXRK SVIH IVZI IZMT VOVG GVIH DRGS LFGH FYHG RGFG RLM", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 187, "length": 187, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0005926", "text": "JZNWKBELLUAXJECUBTHGYOACMQKAYLESFYIVLCOUKBXPEAGTJWANRCNUPRVCXESMVSPATVISRQCAGTZTHGQXIQUESXTGY", "ciphertext": "JZNWKBELLUAXJECUBTHGYOACMQKAYLESFYIVLCOUKBXPEAGTJWANRCNUPRVCXESMVSPATVISRQCAGTZTHGQXIQUESXTGY", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "autokey", "cipher": "autokey", "key": {"primer": "HONEST"}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0251", "text": "173 177 100 179 126 158 169 168 167 138 155 151 149 174 163 160 101 111 168 120 129 153 134 102 154 112 175 152 165 129 150 133 154 142 143 153 134 103 176 179 166 114 178 170 100 128 166 174 135 132 119 152 159 107 169 174 158 157 124 166 153 136 149 168 153 180 135 133 126 119 128 135 182 118 136 114 126 138 126 132 134 129 100 114 145 175 141 143 154 171 114 145 161 157 119 114 152 119 128 135 141 114 152 119 126 122 129 102 135 128 154 151 112 146 107 149 157 117 161 166 156 134 103 168 109", "ciphertext": "173 177 100 179 126 158 169 168 167 138 155 151 149 174 163 160 101 111 168 120 129 153 134 102 154 112 175 152 165 129 150 133 154 142 143 153 134 103 176 179 166 114 178 170 100 128 166 174 135 132 119 152 159 107 169 174 158 157 124 166 153 136 149 168 153 180 135 133 126 119 128 135 182 118 136 114 126 138 126 132 134 129 100 114 145 175 141 143 154 171 114 145 161 157 119 114 152 119 128 135 141 114 152 119 126 122 129 102 135 128 154 151 112 146 107 149 157 117 161 166 156 134 103 168 109", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 375, "length": 499, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010538", "text": "GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA GBQNL", "ciphertext": "GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA GBQNL", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TODAY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 101, "length": 101, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "argenti-v2-0190", "text": "37 67 59 75 66 41 44 37 82 83 26 17 56 32 81 72 66 18 28 77 26 37 82 41 25 20 18 83 63 67 66 28 44 12 77 20 63 25 44 23 37 68 25 66 17 37 82 72 44 83 23 38 25 59 44 32 20 56 22 66 28 25 12 41 44 71 72 25 63 26 77 81 28 64 75", "ciphertext": "37 67 59 75 66 41 44 37 82 83 26 17 56 32 81 72 66 18 28 77 26 37 82 41 25 20 18 83 63 67 66 28 44 12 77 20 63 25 44 23 37 68 25 66 17 37 82 72 44 83 23 38 25 59 44 32 20 56 22 66 28 25 12 41 44 71 72 25 63 26 77 81 28 64 75", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 150, "length": 224, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0355", "text": "SDABJRBQQBTLPDBQPAIAEVATLUPJLQSUPCAKSTEQMBSIDAQBKTBWBESQEKQSPUISELKQNPLJHLKTLKDO", "ciphertext": "SDABJRBQQBTLPDBQPAIAEVATLUPJLQSUPCAKSTEQMBSIDAQBKTBWBESQEKQSPUISELKQNPLJHLKTLKDO", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0537", "text": "CNIUTKAQEKTTJ", "ciphertext": "CNIUTKAQEKTTJ", "plaintext": "ANNUIT COEPTIS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0065", "text": "26199 26187 26184 26181 26180 26199 26199 26191 26184 26194 26185 26186 26184 26199 26199 26104 26198 26181 26100 26197 26186 26191 26180 26198 26199 26184 26183 26199 26187 26197 26184 26184 26183 26180 26104 26198 26180 26193 26183 26182 26194 26198 26199 26194 26101 26184 26197 26185 26188 26185 26199 26104 26199 26187 26194 26100 26198 26180 26193 26183 26182 26180 26198 26100 26180 26191 26199 26188 26184 26198 26199 26194 26199 26180 26191", "ciphertext": "26199 26187 26184 26181 26180 26199 26199 26191 26184 26194 26185 26186 26184 26199 26199 26104 26198 26181 26100 26197 26186 26191 26180 26198 26199 26184 26183 26199 26187 26197 26184 26184 26183 26180 26104 26198 26180 26193 26183 26182 26194 26198 26199 26194 26101 26184 26197 26185 26188 26185 26199 26104 26199 26187 26194 26100 26198 26180 26193 26183 26182 26180 26198 26100 26180 26191 26199 26188 26184 26198 26199 26194 26199 26180 26191", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 375, "length": 449, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0365", "text": "SWTESLEEFVFQOVBJFMPXZYFDXXWNAWDATDZYELXBODJWXSALRMSQSCSRNRDSJMIOVTXGFWWCO", "ciphertext": "SWTESLEEFVFQOVBJFMPXZYFDXXWNAWDATDZYELXBODJWXSALRMSQSCSRNRDSJMIOVTXGFWWCO", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0342", "text": "ABBOVMAQCAXQPMDPCTFYUXEZFUCFT", "ciphertext": "ABBOVMAQCAXQPMDPCTFYUXEZFUCFT", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003089", "text": "KNJD OXAC RBCQ NANL RYAX LJUX OERP NWNA NJWM MNLA HYCB RCBN UOOA RNMV JWNB CRVJ CNMT NHUN WPCQ OAXV BCJC RBCR LBLX UDVW JACA JWBY XBRC RXWA NJMB LXUD VWBR WTNH XAMN AMRP AJYQ JWMC ARPA JYQO ANZD NWLR NBNG YXBN BRVY UNLR YQNA B", "ciphertext": "KNJD OXAC RBCQ NANL RYAX LJUX OERP NWNA NJWM MNLA HYCB RCBN UOOA RNMV JWNB CRVJ CNMT NHUN WPCQ OAXV BCJC RBCR LBLX UDVW JACA JWBY XBRC RXWA NJMB LXUD VWBR WTNH XAMN AMRP AJYQ JWMC ARPA JYQO ANZD NWLR NBNG YXBN BRVY UNLR YQNA B", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "99999"}, "difficulty": "hard", "language": "en", "text_length": 181, "length": 181, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "autokey-de-023", "text": "FQTDEYUPIETDZYHMNYPWUICOHHYIV", "ciphertext": "FQTDEYUPIETDZYHMNYPWUICOHHYIV", "plaintext": "DIE WAHRHEIT WIRD EUCH FREI MACHEN", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "de", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v3-0184", "text": "ZAHHXLXFPLEDCLOMBANPOHVWFXRMEMUJXCSGXZACNCMFVWTWYZVPFRWGBFDZWLSLYSISDGTBPHDBMGRCMC", "ciphertext": "ZAHHXLXFPLEDCLOMBANPOHVWFXRMEMUJXCSGXZACNCMFVWTWYZVPFRWGBFDZWLSLYSISDGTBPHDBMGRCMC", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-252", "text": "LRYQNATNHLQJWPNM", "ciphertext": "LRYQNATNHLQJWPNM", "plaintext": "CIPHER KEY CHANGED", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "99999"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-v3-0165", "text": "THELNWEOFMSIEYBQTHERSRDFGMEHLYEIRSYHYHSTHELOWRNRMRQRTHCSMOWRSTHEZEENAZ", "ciphertext": "THELNWEOFMSIEYBQTHERSRDFGMEHLYEIRSYHYHSTHELOWRNRMRQRTHCSMOWRSTHEZEENAZ", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0030", "text": "BSYKLDDXIUOWRLMXUEN", "ciphertext": "BSYKLDDXIUOWRLMXUEN", "plaintext": "WISDOM GUARDS THE GATE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0208", "text": "SYAPIJIYJMKTPEYCEBAUITMAGJMHYIBIIYYPPMJHMAPXJPYYYIBIIYYPARBYYNXPKXMEPNYPOQJAONITJOHJPYBSYPIBRBFFYEIYOOYGOYRTYSYMIBFTYAPRIYNBBPBPHJOYYGQIOQJMIYRTAUOPNTAJYIYKPTMPAPNYROQYMYSJIYGIP", "ciphertext": "SYAPIJIYJMKTPEYCEBAUITMAGJMHYIBIIYYPPMJHMAPXJPYYYIBIIYYPARBYYNXPKXMEPNYPOQJAONITJOHJPYBSYPIBRBFFYEIYOOYGOYRTYSYMIBFTYAPRIYNBBPBPHJOYYGQIOQJMIYRTAUOPNTAJYIYKPTMPAPNYROQYMYSJIYGIP", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019742", "text": "CEGEMAZAJOKNDLXGJEWMMCADYLLTEWXXSCQZLSOVJZVRPCOZCNKBPEKYETWMLWWJVJTMYKCOAUSVEUXJNVWJHYIYHYKEZLPBPMDMFMCBQZALDHHVVCZMBMNKSTZWVVZEONDBODYQORWFWCFYXGUGRJEMVSCUHSUXFKENXNEJRUANHAVQMCPJHGQH", "ciphertext": "CEGEMAZAJOKNDLXGJEWMMCADYLLTEWXXSCQZLSOVJZVRPCOZCNKBPEKYETWMLWWJVJTMYKCOAUSVEUXJNVWJHYIYHYKEZLPBPMDMFMCBQZALDHHVVCZMBMNKSTZWVVZEONDBODYQORWFWCFYXGUGRJEMVSCUHSUXFKENXNEJRUANHAVQMCPJHGQH", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "kryptos-v3-0136", "text": "UUTNOJSOMKHRFAFKPLOVZVBDW", "ciphertext": "UUTNOJSOMKHRFAFKPLOVZVBDW", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-043", "text": "QGJ TVFNZ OPBSC IBM EVXRW BUJP QGJ DYKA LBH CJYP QGJ PFUJP", "ciphertext": "QGJ TVFNZ OPBSC IBM EVXRW BUJP QGJ DYKA LBH CJYP QGJ PFUJP", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KAMASUTRA"}, "difficulty": "intermediate", "language": "en", "text_length": 47, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v3-0003", "text": "NJFRVTOIJQESYDQYIJIRGTX", "ciphertext": "NJFRVTOIJQESYDQYIJIRGTX", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021047", "text": "44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 34 35 15 33 43 34 45 42 13 15 44 34 34 31 43 11 31 31 34 52 24 33 14 15 35 15 33 14 15 33 44 51 15 42 24 21 24 13 11 44 24 34 33", "ciphertext": "44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 34 35 15 33 43 34 45 42 13 15 44 34 34 31 43 11 31 31 34 52 24 33 14 15 35 15 33 14 15 33 44 51 15 42 24 21 24 13 11 44 24 34 33", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 97, "length": 97, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "sigaba-231", "text": "UKKTGMPBSZBHPVSFRAXHYMQFGJFXUHRICDRODJTADCBJLLJDKRAJQDHYWXQC", "ciphertext": "UKKTGMPBSZBHPVSFRAXHYMQFGJFXUHRICDRODJTADCBJLLJDKRAJQDHYWXQC", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0003511", "text": "TQHWDSRHAPERRYDSMAERALSSSOTSSNIDRGEOSPOEUHEARKOQURREGCETATDHBIPHNYEEHNEVPESISTULEURFOESYYAERDCOAEMHRLNRGABTECAEONRTMRIECRBWECURISOIEIANIETYENATOVHETEEDBTEESETBADPSURTPS", "ciphertext": "TQHWDSRHAPERRYDSMAERALSSSOTSSNIDRGEOSPOEUHEARKOQURREGCETATDHBIPHNYEEHNEVPESISTULEURFOESYYAERDCOAEMHRLNRGABTECAEONRTMRIECRBWECURISOIEIANIETYENATOVHETEEDBTEESETBADPSURTPS", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "caesar-v2-1305", "text": "JXYI QRELU QBB JE JXYDU EMD IUBV RU JHKU QDT YJ CKIJ VEBBEM QI DYWXJ JXU TQO", "ciphertext": "JXYI QRELU QBB JE JXYDU EMD IUBV RU JHKU QDT YJ CKIJ VEBBEM QI DYWXJ JXU TQO", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 16}, "difficulty": "beginner", "language": "en", "text_length": 60, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0102", "text": "60 13 01 14 08 01 20 20 01 14 16 18 15 10 05 03 20 02 18 15 21 07 08 20 20 15 07 05 20 08 05 18 60 07 18 05 01 20 05 19 20 19 03 09 05 14 20 09 06 09 03 13 09 14 04 19 62 60 20 23 05 14 20 09 05 20 08 03 05 14 20 21 18 25 64 01 18 01 03 05 63 02 21 09 12 04 60 01 20 15 13 09 03 02 15 13 02 02 05 06 15 18 05 14 01 26 09 07 05 18 13 01 14 25 03 15 21 12 04 04 15 19 15 60 05 06 06 15 18 20 03 08 01 14 07 05 04 60 23 15 18 12 04 06 15 18 05 22 05 18", "ciphertext": "60 13 01 14 08 01 20 20 01 14 16 18 15 10 05 03 20 02 18 15 21 07 08 20 20 15 07 05 20 08 05 18 60 07 18 05 01 20 05 19 20 19 03 09 05 14 20 09 06 09 03 13 09 14 04 19 62 60 20 23 05 14 20 09 05 20 08 03 05 14 20 21 18 25 64 01 18 01 03 05 63 02 21 09 12 04 60 01 20 15 13 09 03 02 15 13 02 02 05 06 15 18 05 14 01 26 09 07 05 18 13 01 14 25 03 15 21 12 04 04 15 19 15 60 05 06 06 15 18 20 03 08 01 14 07 05 04 60 23 15 18 12 04 06 15 18 05 22 05 18", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 300, "length": 449, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0314", "text": "PMRASPERAADASTRA", "ciphertext": "PMRASPERAADASTRA", "plaintext": "PER ASPERA AD ASTRA", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0288", "text": "64 39 41 11 77 75 25 29 27 57 28 63 42 20", "ciphertext": "64 39 41 11 77 75 25 29 27 57 28 63 42 20", "plaintext": "LIBERTY OR DEATH", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v3-0491", "text": "TNHMGHELRGHXHEOIIASAOAIXEYULNSTOTGNXJOSESIETEOAXOFASWNPZLIXXUANBIGAUONXXRTDETLSWNCXX", "ciphertext": "TNHMGHELRGHXHEOIIASAOAIXEYULNSTOTGNXJOSESIETEOAXOFASWNPZLIXXUANBIGAUONXXRTDETLSWNCXX", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0338", "text": "OISZIUSRXARBWBNUAPHTLFRREDRXPXZKROCHCCGJSILLXJQWFOTKKZWLCGMKZTAGXAPCIBORVNUTMAL", "ciphertext": "OISZIUSRXARBWBNUAPHTLFRREDRXPXZKROCHCCGJSILLXJQWFOTKKZWLCGMKZTAGXAPCIBORVNUTMAL", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0347", "text": "ZSGFRMITZTJBPWUYKNWIADRISGNJYBISVVMEFRRBQLVUZQFOWKBGTPEOALTMCXIZARMUBXIYAQWKTZHVKP", "ciphertext": "ZSGFRMITZTJBPWUYKNWIADRISGNJYBISVVMEFRRBQLVUZQFOWKBGTPEOALTMCXIZARMUBXIYAQWKTZHVKP", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0527", "text": "PEEYG PAJY YAZK YVAJY", "ciphertext": "PEEYG PAJY YAZK YVAJY", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 12}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017817", "text": "Γ ┘· X· ¬ └ L K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ⌐ ┐· ┐· └ Γ· L X r ┘· └ X· ┌ ─ ⌐ ┌· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K ⌒ Γ· r L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ ⌐ K ┌· ⌐ ─ X ┐· ⌐ ┌· L ─ K K ┘· ┘· └ X r· ┘· X· └ Γ X r· ┘· ⌒ Γ· K X ┌· L ⌐ X ┘· ─ Γ· ─ ¬·", "ciphertext": "Γ ┘· X· ¬ └ L K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ⌐ ┐· ┐· └ Γ· L X r ┘· └ X· ┌ ─ ⌐ ┌· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K ⌒ Γ· r L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ ⌐ K ┌· ⌐ ─ X ┐· ⌐ ┌· L ─ K K ┘· ┘· └ X r· ┘· X· └ Γ X r· ┘· ⌒ Γ· K X ┌· L ⌐ X ┘· ─ Γ· ─ ¬·", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "jn25-v2-0143", "text": "09991 09903 09992 09993 09992 09901 09993 09907 09907 09999 09995 09993 09994 09903 09900 09900 09903 09911 09907", "ciphertext": "09991 09903 09992 09993 09992 09901 09993 09907 09907 09999 09995 09993 09994 09903 09900 09900 09903 09911 09907", "plaintext": "CODED MESSAGE FOLLOWS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 95, "length": 113, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0040", "text": "0856 0918 1255 1421 0472 1346 1421 0012 1255 0472 0918 0729 0219 1346 0347 0538 1255 0792 0156 0918 1503 1255 1346 0285", "ciphertext": "0856 0918 1255 1421 0472 1346 1421 0012 1255 0472 0918 0729 0219 1346 0347 0538 1255 0792 0156 0918 1503 1255 1346 0285", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 96, "length": 119, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0413", "text": "ZVFRXVBZLAGLDMRGBZGZJARAGDFMRUYOKHGLGBYDQORAGJKTKJBTTBSIIRGFTUABRNUHOXATXFOJTYPCYOLGQDVOAHTFKAKWHGYZMGIYXQINXBJISGFAMOSMOMNYVJRBZXYLCTAJLHWIJUDYLUBPISVOGLARWVBBZYDP", "ciphertext": "ZVFRXVBZLAGLDMRGBZGZJARAGDFMRUYOKHGLGBYDQORAGJKTKJBTTBSIIRGFTUABRNUHOXATXFOJTYPCYOLGQDVOAHTFKAKWHGYZMGIYXQINXBJISGFAMOSMOMNYVJRBZXYLCTAJLHWIJUDYLUBPISVOGLARWVBBZYDP", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "JKL"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0225", "text": "FLPEIICVTEWLXXVCEWSRILVJKQBRXKRNFYXVWKGPFPWFGOKDDTPMVPKXXBITVKHHTMDFAMNNM", "ciphertext": "FLPEIICVTEWLXXVCEWSRILVJKQBRXKRNFYXVWKGPFPWFGOKDDTPMVPKXXBITVKHHTMDFAMNNM", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013077", "text": ".... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...", "ciphertext": ".... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "stager-route-v2-0481", "text": "TROTNRLOUDDUHHEARIACNDTWSMSAMROPAIONOIASEBACTTTNHQSSCUESSIRHIFXXRNEGVADEESSOXXMTANDO", "ciphertext": "TROTNRLOUDDUHHEARIACNDTWSMSAMROPAIONOIASEBACTTTNHQSSCUESSIRHIFXXRNEGVADEESSOXXMTANDO", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0213", "text": "GFAGDAGXADGXAFDFAAAAXDGAAAXAFAAXAFDFGXDGFAADADAGGDDAFXXGDFADADXFFAGFGGXGXDAFDAAAXAGFAAAFFXXXFXAXGXDXDXXDDGFFDAFDGGGAGDFAAAGDFFDGGAXGGDAAGAADAXADDGGAAGGGDDADGAGADDDGFFGA", "ciphertext": "GFAGDAGXADGXAFDFAAAAXDGAAAXAFAAXAFDFGXDGFAADADAGGDDAFXXGDFADADXFFAGFGGXGXDAFDAAAXAGFAAAFFXXXFXAXGXDXDXXDDGFFDAFDGGGAGDFAAAGDFFDGGAXGGDAAGAADAXADDGGAAGGGDDADGAGADDDGFFGA", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 168, "length": 168, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0047", "text": "VAXGVXFDFFFDDVFDFAAGDGFDDVDGVVDGFDDFAAFADGGDAAFGGFDFGFGDAFGAVDDFVDAAVAADAFDVGVVGDDVAVVDDDDGGFAAVFGDDAGDFDFADFDGAGAGGADGAGGGGAAFAADAFAFAGGFAFFGAFFDDDDFFGAFGGVVGDFVFAAAFDXFFXFFDV", "ciphertext": "VAXGVXFDFFFDDVFDFAAGDGFDDVDGVVDGFDDFAAFADGGDAAFGGFDFGFGDAFGAVDDFVDAAVAADAFDVGVVGDDVAVVDDDDGGFAAVFGDDAGDFDFADFDGAGAGGADGAGGGGAAFAADAFAFAGGFAFFGAFFDDDDFFGAFGGVVGDFVFAAAFDXFFXFFDV", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 176, "length": 176, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0527", "text": "HITMZUIMOXBQBQ", "ciphertext": "HITMZUIMOXBQBQ", "plaintext": "MARCH TO VICTORY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007587", "text": "FHOF GVGH GVBA PVCU REFZ NCRN PUYR GGRE GBNQ VSSR ERAG YRGG RE", "ciphertext": "FHOF GVGH GVBA PVCU REFZ NCRN PUYR GGRE GBNQ VSSR ERAG YRGG RE", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "playfair-017", "text": "CLKLRSPDFMTCNRIZ", "ciphertext": "CLKLRSPDFMTCNRIZ", "plaintext": "MEET AT THE OLD OAK", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "MONARCHY"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v2-0496", "text": "ARNZIYREXFAPAWUZYQHETPZYUZILPCIKEERJPERFNVUJOJWAEIQZUPATSKOAJOIPUXAIKIGSEGANNNVYDVAGBHREFUDKUIWPZYADEVWNANWOAWYYZOHAJHEBDOMTGEGEYLVHAOCH", "ciphertext": "ARNZIYREXFAPAWUZYQHETPZYUZILPCIKEERJPERFNVUJOJWAEIQZUPATSKOAJOIPUXAIKIGSEGANNNVYDVAGBHREFUDKUIWPZYADEVWNANWOAWYYZOHAJHEBDOMTGEGEYLVHAOCH", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0216", "text": "24 26 77 34 58 39 44 45 38 59 23 26 57 63 35 46 57 43", "ciphertext": "24 26 77 34 58 39 44 45 38 59 23 26 57 63 35 46 57 43", "plaintext": "TREASURE BURIED HERE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0363", "text": "ALWXZWHVIVCBKZPMCNSXKNMZDOTJVHWFGMAYRCSPDUFFYBHFEQEICCOHVXDVRJYUBWYDFLOXFBWJHPDWRICMCWRAFMHVKLFTLXXTPKFCPMTGMLVRTFGBUCVIVNDRTMMGUEFVFBWDNZWXDPBPLDWR", "ciphertext": "ALWXZWHVIVCBKZPMCNSXKNMZDOTJVHWFGMAYRCSPDUFFYBHFEQEICCOHVXDVRJYUBWYDFLOXFBWJHPDWRICMCWRAFMHVKLFTLXXTPKFCPMTGMLVRTFGBUCVIVNDRTMMGUEFVFBWDNZWXDPBPLDWR", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0178", "text": "MC SQWC CWILYU XU RCS TCSEM IXZL WILD MC SQWC RCS WIHU HU WIL JCEMLQ YSEL CK XEE YLEHJHCQU", "ciphertext": "MC SQWC CWILYU XU RCS TCSEM IXZL WILD MC SQWC RCS WIHU HU WIL JCEMLQ YSEL CK XEE YLEHJHCQU", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0051", "text": "26197 26188 26182 26187 26192 26194 26193 26183 26187 26180 26198 26185 26180 26191 26191 26184 26193 26194 26100 26197 26185 26194 26197 26182 26184 26198 26187 26180 26101 26184 26184 26193 26199 26184 26197 26184 26183 26199 26187 26184 26182 26188 26199 26104 26197 26184 26198 26188 26198 26199 26180 26193 26182 26184 26188 26198 26184 26193 26183 26184 26183 26188 26193 26185 26194 26197 26192 26199 26187 26184 26195 26197 26184 26198 26188 26183 26184 26193 26199", "ciphertext": "26197 26188 26182 26187 26192 26194 26193 26183 26187 26180 26198 26185 26180 26191 26191 26184 26193 26194 26100 26197 26185 26194 26197 26182 26184 26198 26187 26180 26101 26184 26184 26193 26199 26184 26197 26184 26183 26199 26187 26184 26182 26188 26199 26104 26197 26184 26198 26188 26198 26199 26180 26193 26182 26184 26188 26198 26184 26193 26183 26184 26183 26188 26193 26185 26194 26197 26192 26199 26187 26184 26195 26197 26184 26198 26188 26183 26184 26193 26199", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 395, "length": 473, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0221", "text": "37 82 83 84 41 13 18 20 67 32 72 75 15 81 28 22 41 44 65 83 25 66 20 12 60 64 26 83 17 44 88 63 37 66 72 75 37 28 63 77 60 20 56 66 41 28 67 83 25 63 72 22 75 28 44 34 20 63 56 84 82 41 37 83 34 66 28 25 32 71 67 20 63 37 18 59 16 28 44 72 22 66", "ciphertext": "37 82 83 84 41 13 18 20 67 32 72 75 15 81 28 22 41 44 65 83 25 66 20 12 60 64 26 83 17 44 88 63 37 66 72 75 37 28 63 77 60 20 56 66 41 28 67 83 25 63 72 22 75 28 44 34 20 63 56 84 82 41 37 83 34 66 28 25 32 71 67 20 63 37 18 59 16 28 44 72 22 66", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 245, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0603", "text": "LGRL CLBQL RPQ RQ BLRPLO OSICBKJR QOLJPYORPPK IRGGSH BCUCGR CJBCMCQ MRO QKQLH OKHLJLH", "ciphertext": "LGRL CLBQL RPQ RQ BLRPLO OSICBKJR QOLJPYORPPK IRGGSH BCUCGR CJBCMCQ MRO QKQLH OKHLJLH", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "beginner", "language": "en", "text_length": 73, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0283", "text": "73226873821873898", "ciphertext": "73226873821873898", "plaintext": "VENI VIDI VICI", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-de-025", "text": "DEAATSEIRIWGNETSNAILCDSSMLHAEHSMSI", "ciphertext": "DEAATSEIRIWGNETSNAILCDSSMLHAEHSMSI", "plaintext": "DAS GEHEIMNIS ALLER MACHT IST DAS WISSEN", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "de", "text_length": 34, "length": 34, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v3-0132", "text": "JCQPDEJSVGCRKSSUWSOXSYNITWRJ", "ciphertext": "JCQPDEJSVGCRKSSUWSOXSYNITWRJ", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0217", "text": "KHYTOBYIORZAIPTA", "ciphertext": "KHYTOBYIORZAIPTA", "plaintext": "RENDER UNTO CAESAR", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "GOTHIC"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018246", "text": "- .... . / ...- .. --. . -. . .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / .- / .-. . .--. . .- - .. -. --. / -.- . -.-- .-- --- .-. -.. / --. .-. --- -. ... ..-. . .-.. -.. / ..- ... . ... / .- / -.. .. --. .. - / ... . --.- ..- . -. -.-. . / .- ... / - .... . / .-. . .--. . .- - .. -. --. / -.- . -.-- / - .... . / .- .-. -.-. .... .. - . -.-. - ..- .-. . / ... .... --- ..- .-.. -.. / -- .- -.- . / -- .. ... ..- ... . / .... .- .-. -.. . .-.", "ciphertext": "- .... . / ...- .. --. . -. . .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / .- / .-. . .--. . .- - .. -. --. / -.- . -.-- .-- --- .-. -.. / --. .-. --- -. ... ..-. . .-.. -.. / ..- ... . ... / .- / -.. .. --. .. - / ... . --.- ..- . -. -.-. . / .- ... / - .... . / .-. . .--. . .- - .. -. --. / -.- . -.-- / - .... . / .- .-. -.-. .... .. - . -.-. - ..- .-. . / ... .... --- ..- .-.. -.. / -- .- -.- . / -- .. ... ..- ... . / .... .- .-. -.. . .-.", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v3-0140", "text": "NROBXJDYDKCJNMUKVB", "ciphertext": "NROBXJDYDKCJNMUKVB", "plaintext": "GRAVITY EXPLAINS ALL", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018842", "text": "CJZCCZPCMNYCLGTGLHIYFZCPIUPWNOYRGZFPPYZHZDUBCCSSTZZVHVRVNKQTIKPVWTXAGSRLRZWMKJP", "ciphertext": "CJZCCZPCMNYCLGTGLHIYFZCPIUPWNOYRGZFPPYZHZDUBCCSSTZZVHVRVNKQTIKPVWTXAGSRLRZWMKJP", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "slidex-v2-0322", "text": "WPEWNVNOLRSKQIDQPWNNCXMMVSTAQWMOSOMMVSCUMNRLSLXUFKCUXMPQSKHHPYIMKQBPDZJD", "ciphertext": "WPEWNVNOLRSKQIDQPWNNCXMMVSTAQWMOSOMMVSCUMNRLSLXUFKCUXMPQSKHHPYIMKQBPDZJD", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0172", "text": "WELTFSFKLKLJATELTWEFNEWANLIILRMSAOYLKYMTEARKLJAWMUIDSJAIILSSWAAT", "ciphertext": "WELTFSFKLKLJATELTWEFNEWANLIILRMSAOYLKYMTEARKLJAWMUIDSJAIILSSWAAT", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0174", "text": "IKNOWNOTWHATCOURSEOTHERQMAYTAKEBUTASFORMEGIVEMELIBERTYMRGIVEMEDEATH", "ciphertext": "IKNOWNOTWHATCOURSEOTHERQMAYTAKEBUTASFORMEGIVEMELIBERTYMRGIVEMEDEATH", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017477", "text": "track heads eight known after scout inner stage knife incur eight extra array moved input needs again takes issue often night flank inner needs draft", "ciphertext": "track heads eight known after scout inner stage knife incur eight extra array moved input needs again takes issue often night flank inner needs draft", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "atbash-v2-0077", "text": "HFKKOB ORMVH SZEV YVVM XFG IZGRLMH ULI GSIVV WZBH LMOB ZDZRG IVHFKKOB LI YIVZP GSILFTS ORMVH", "ciphertext": "HFKKOB ORMVH SZEV YVVM XFG IZGRLMH ULI GSIVV WZBH LMOB ZDZRG IVHFKKOB LI YIVZP GSILFTS ORMVH", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0257", "text": "39 75 16 63 33 87 41 77 71 49 20 42 46 29 64 57 88 63 25 39 44 87 58 27 71 61 63 38 57 75 59 11 21 64 69 46 36 65 10 28 77 11 33 42 27 39 34 71 44 23 75 20 39 77 42 28 11 38 87 21 27 29 65 33 75 59 28 46 71 42 67", "ciphertext": "39 75 16 63 33 87 41 77 71 49 20 42 46 29 64 57 88 63 25 39 44 87 58 27 71 61 63 38 57 75 59 11 21 64 69 46 36 65 10 28 77 11 33 42 27 39 34 71 44 23 75 20 39 77 42 28 11 38 87 21 27 29 65 33 75 59 28 46 71 42 67", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 142, "length": 212, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0145", "text": "173 177 110 179 171 100 108 138 167 180 117 108 128 114 182 160 147 114", "ciphertext": "173 177 110 179 171 100 108 138 167 180 117 108 128 114 182 160 147 114", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 54, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1759", "text": "HIQNA HU LUNFLTGPXHE NWKNATNUXN PI QYN TUNIITXTNUXR PI QYN VLCVTVQTUD INSNAHE DPGNAUZNUQ RPL HAN XHEENS LKPU QP SNETCNAHQN PU H UNB XPUVQTQLQTPU IPA QYN LUTQNS VQHQNV PI HZNATXH", "ciphertext": "HIQNA HU LUNFLTGPXHE NWKNATNUXN PI QYN TUNIITXTNUXR PI QYN VLCVTVQTUD INSNAHE DPGNAUZNUQ RPL HAN XHEENS LKPU QP SNETCNAHQN PU H UNB XPUVQTQLQTPU IPA QYN LUTQNS VQHQNV PI HZNATXH", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 21, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 150, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0335", "text": "425227008922523288202204768322422061287382482816922162142522748282845212223226218412418634128282352231621425022143", "ciphertext": "425227008922523288202204768322422061287382482816922162142522748282845212223226218412418634128282352231621425022143", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 114, "length": 114, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0404", "text": "DYOJKXGQZGQTRPWKWEYAWWGBBNPNKOZTAZXZTZDZSNIJVXNTNBENGAPALLJGJURWLFPHNHYYOXBGLVACKQNFUXDFWVGCMCCPCZDDZFJPEBGANWQWHUKYOSPDZACBBILRSEYNRGBMQYTHWBWFPOWSEIVYURJMOJXRBHDSXHM", "ciphertext": "DYOJKXGQZGQTRPWKWEYAWWGBBNPNKOZTAZXZTZDZSNIJVXNTNBENGAPALLJGJURWLFPHNHYYOXBGLVACKQNFUXDFWVGCMCCPCZDDZFJPEBGANWQWHUKYOSPDZACBBILRSEYNRGBMQYTHWBWFPOWSEIVYURJMOJXRBHDSXHM", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 167, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017006", "text": "-.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / -.- . .-. -.-. -.- .... --- ..-. ..-. ... / .--. .-. .. -. -.-. .. .--. .-.. . / ... .- -.-- ... / - .... . / ... -.-- ... - . -- / -- ..- ... - / -... . / ... . -.-. ..- .-. . / . ...- . -. / .. ..-. / . -. . -- -.-- / -.- -. --- .-- ... / .- .-.. --. --- .-. .. - .... -- / - .... . / . -. .. --. -- .- / -- .- -.-. .... .. -. . / ..- ... . -.. / .-. --- - --- .-. ... / - --- / -.-. .-. . .- - . / .- / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-.", "ciphertext": "-.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / -.- . .-. -.-. -.- .... --- ..-. ..-. ... / .--. .-. .. -. -.-. .. .--. .-.. . / ... .- -.-- ... / - .... . / ... -.-- ... - . -- / -- ..- ... - / -... . / ... . -.-. ..- .-. . / . ...- . -. / .. ..-. / . -. . -- -.-- / -.- -. --- .-- ... / .- .-.. --. --- .-. .. - .... -- / - .... . / . -. .. --. -- .- / -- .- -.-. .... .. -. . / ..- ... . -.. / .-. --- - --- .-. ... / - --- / -.-. .-. . .- - . / .- / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-.", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 169, "length": 169, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "enigma-v2-0014", "text": "TMUFTGQZIWXNPB", "ciphertext": "TMUFTGQZIWXNPB", "plaintext": "PRESS THE ATTACK", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0413", "text": "OSLWMFKTFQAXALREANCUGRRRBLFQXZNWRWKJOGSEXBLZCSDTCOLXFSKNYXVEEXHIRECVMINGIFFHOSIUFNYITAEAKSEDMRCZQOMRIARBKCPBYELVUXUZLQVDYJBRVCXFZGNDHXDNASLXFXZAFXAVSUGULBWVKGTCIEON", "ciphertext": "OSLWMFKTFQAXALREANCUGRRRBLFQXZNWRWKJOGSEXBLZCSDTCOLXFSKNYXVEEXHIRECVMINGIFFHOSIUFNYITAEAKSEDMRCZQOMRIARBKCPBYELVUXUZLQVDYJBRVCXFZGNDHXDNASLXFXZAFXAVSUGULBWVKGTCIEON", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019177", "text": "19.5.4 11.6.4 7.1.5 7.3.9 15.1.9 6.3.5 11.6.7 10.3.7 11.5.5 17.6.10 2.6.9 19.1.5 12.2.3 9.3.10 8.3.6 14.3.7 19.2.4 12.3.5 11.5.4 20.3.7 8.5.4 19.2.2 14.6.9 18.5.5 9.4.5 3.2.8 9.6.3 20.4.2 7.1.2 1.6.7 9.3.3 14.6.5 1.2.5 11.5.9 3.2.5 8.2.9 14.5.1 11.1.7 18.2.4 3.4.1 8.5.7 13.3.6 14.1.6 12.1.9 5.6.10 6.6.9 11.2.1 14.3.6 18.5.8 20.6.6 18.1.1 16.6.10 1.3.1 13.1.10 15.1.3 14.2.7 17.5.3 6.1.3 8.1.6 9.5.2 17.2.3 20.4.10 11.5.2 20.2.9 8.2.10 4.3.2 11.2.10 8.4.8 18.1.1 5.6.6 20.4.9 4.3.1 11.4.9 15.6.8 9.3.7 5.6.8 19.3.10 17.4.5 6.3.2 3.1.2 12.4.4 6.2.1 18.5.5 15.5.7 19.4.3 10.5.5 1.6.2 9.3.4 19.3.9 19.6.2 3.4.2 20.5.4 13.2.1 2.3.1 13.2.5 16.4.2 17.6.7 19.2.9 15.5.2 6.5.8 13.2.10 19.3.3 11.2.5 10.3.5 17.2.1 10.5.9 3.3.5 5.2.1 1.6.4 10.4.4 1.5.10 5.2.10 1.5.7 1.2.1 10.4.7 10.4.5 10.4.10 10.6.7 6.2.4 1.5.9 6.3.5 20.1.9 12.1.7 16.2.7 2.3.9 7.4.9 18.5.9 18.3.7 19.2.2 8.1.9 17.6.5 5.1.10 12.3.1 19.6.10 20.6.9 12.6.7 20.1.7 1.1.3 17.4.1 15.2.8 9.1.2 9.3.6 4.6.4 13.2.1 2.5.2 17.1.5 16.6.5 15.2.2 12.1.6 7.2.7 8.5.6 2.5.2 3.1.3 8.3.5 11.5.5 10.6.10 14.5.8 10.5.7 14.3.7 13.2.7 18.6.3 8.5.1", "ciphertext": "19.5.4 11.6.4 7.1.5 7.3.9 15.1.9 6.3.5 11.6.7 10.3.7 11.5.5 17.6.10 2.6.9 19.1.5 12.2.3 9.3.10 8.3.6 14.3.7 19.2.4 12.3.5 11.5.4 20.3.7 8.5.4 19.2.2 14.6.9 18.5.5 9.4.5 3.2.8 9.6.3 20.4.2 7.1.2 1.6.7 9.3.3 14.6.5 1.2.5 11.5.9 3.2.5 8.2.9 14.5.1 11.1.7 18.2.4 3.4.1 8.5.7 13.3.6 14.1.6 12.1.9 5.6.10 6.6.9 11.2.1 14.3.6 18.5.8 20.6.6 18.1.1 16.6.10 1.3.1 13.1.10 15.1.3 14.2.7 17.5.3 6.1.3 8.1.6 9.5.2 17.2.3 20.4.10 11.5.2 20.2.9 8.2.10 4.3.2 11.2.10 8.4.8 18.1.1 5.6.6 20.4.9 4.3.1 11.4.9 15.6.8 9.3.7 5.6.8 19.3.10 17.4.5 6.3.2 3.1.2 12.4.4 6.2.1 18.5.5 15.5.7 19.4.3 10.5.5 1.6.2 9.3.4 19.3.9 19.6.2 3.4.2 20.5.4 13.2.1 2.3.1 13.2.5 16.4.2 17.6.7 19.2.9 15.5.2 6.5.8 13.2.10 19.3.3 11.2.5 10.3.5 17.2.1 10.5.9 3.3.5 5.2.1 1.6.4 10.4.4 1.5.10 5.2.10 1.5.7 1.2.1 10.4.7 10.4.5 10.4.10 10.6.7 6.2.4 1.5.9 6.3.5 20.1.9 12.1.7 16.2.7 2.3.9 7.4.9 18.5.9 18.3.7 19.2.2 8.1.9 17.6.5 5.1.10 12.3.1 19.6.10 20.6.9 12.6.7 20.1.7 1.1.3 17.4.1 15.2.8 9.1.2 9.3.6 4.6.4 13.2.1 2.5.2 17.1.5 16.6.5 15.2.2 12.1.6 7.2.7 8.5.6 2.5.2 3.1.3 8.3.5 11.5.5 10.6.10 14.5.8 10.5.7 14.3.7 13.2.7 18.6.3 8.5.1", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 162, "length": 162, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "sigaba-v3-0195", "text": "QYMCCEADGTLNQGPNNHEVQDRZTCLUUFPGWQBDOAYLITQMZJKJAJUNYJWENSQDSASGTLBTRLCQOFSWAZTQOV", "ciphertext": "QYMCCEADGTLNQGPNNHEVQDRZTCLUUFPGWQBDOAYLITQMZJKJAJUNYJWENSQDSASGTLBTRLCQOFSWAZTQOV", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0226", "text": "DWFKPGQOWIHVEKXSIQYYHWIQYYHWIQFPXEHILIJCLFOIMELPFXHVFCNOTDOYTDUMTWUVXB", "ciphertext": "DWFKPGQOWIHVEKXSIQYYHWIQYYHWIQFPXEHILIJCLFOIMELPFXHVFCNOTDOYTDUMTWUVXB", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-034", "text": "┐ ╳ ╳• ⌐ ╲ ╳ ┬ ┼ ┴ ┼ ╲ ╳ ┤• ┤ ╳ ┐ ├• ┼ ╲ ┐ ╳ ╳• ⌐ ╲ ╳ ┬ ┼ ╳• ┤• ┐• ╲ ╳ ┤• ┤ ╳ ┐ ├• ┼ ╲", "ciphertext": "┐ ╳ ╳• ⌐ ╲ ╳ ┬ ┼ ┴ ┼ ╲ ╳ ┤• ┤ ╳ ┐ ├• ┼ ╲ ┐ ╳ ╳• ⌐ ╲ ╳ ┬ ┼ ╳• ┤• ┐• ╲ ╳ ┤• ┤ ╳ ┐ ├• ┼ ╲", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 48, "length": 86, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-fr-027", "text": "IMQGFMSNPDNAQYZXSDCYLKGVS", "ciphertext": "IMQGFMSNPDNAQYZXSDCYLKGVS", "plaintext": "IMPOSSIBLE N EST PAS FRANCAIS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "fr", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v2-0288", "text": "VPQXLPXLDUTVZD", "ciphertext": "VPQXLPXLDUTVZD", "plaintext": "LIBERTY OR DEATH", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-093", "text": "AWV FGKI AWYGN HV WTEV AF OVTU YB OVTU YABVKO", "ciphertext": "AWV FGKI AWYGN HV WTEV AF OVTU YB OVTU YABVKO", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 36, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-093", "text": "TBEMLJYTBDLAWEBCVETMRECQDSRECQDTSEJR", "ciphertext": "TBEMLJYTBDLAWEBCVETMRECQDSRECQDTSEJR", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "atbash-it-013", "text": "RO GVNKL V GRIZMML", "ciphertext": "RO GVNKL V GRIZMML", "plaintext": "IL TEMPO E TIRANNO", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "it", "text_length": 15, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-054", "text": "TIGHWJXYRUBREDHFBODCLMEGCNMZYSWTGQCHFPDGHERELVLVBWJSLLSLAOEDOJ", "ciphertext": "TIGHWJXYRUBREDHFBODCLMEGCNMZYSWTGQCHFPDGHERELVLVBWJSLLSLAOEDOJ", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KRYPTOS"}, "difficulty": "advanced", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v3-0089", "text": "EQXTWKCKKPADHCMFTGMHWGEDLXTNELRJFVPOLAYFQTGSQHQWXBLRCNEEKTWVJPRJUDLNKFWRJIEBDKSDNSJ", "ciphertext": "EQXTWKCKKPADHCMFTGMHWGEDLXTNELRJFVPOLAYFQTGSQHQWXBLRCNEEKTWVJPRJUDLNKFWRJIEBDKSDNSJ", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v3-0025", "text": "-.-. .... .- .-. - / - .... . / ..- -. -.- -. --- .-- -.", "ciphertext": "-.-. .... .- .-. - / - .... . / ..- -. -.- -. --- .-- -.", "plaintext": "CHART THE UNKNOWN", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 40, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0063", "text": "HBIIPRLAJPVVYJIXHMQJUVPBIJIHBXYZJBHMOPBIRCJPQAJUYBLAJDMJPLJULUJPCHMBJYBZPUYHB", "ciphertext": "HBIIPRLAJPVVYJIXHMQJUVPBIJIHBXYZJBHMOPBIRCJPQAJUYBLAJDMJPLJULUJPCHMBJYBZPUYHB", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004666", "text": "GUR ZRFFNTR JNF UVQQRA OHG ABG FRPHER QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF ORNHSBEG VF GUR ERPVCEBPNY BS IVTRARER NAQ QRPELCGF VGFRYS GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF", "ciphertext": "GUR ZRFFNTR JNF UVQQRA OHG ABG FRPHER QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF ORNHSBEG VF GUR ERPVCEBPNY BS IVTRARER NAQ QRPELCGF VGFRYS GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0244", "text": "YQDWDUJULVWMNAHRXQUFNROLOFRNJGFFARIGIUZYQHAQCBLYISLKUFYAAMMPLKWYBXZTBJIEHTYAKICETSBVIRJAFFOUXPQONLMHWNDQAUSNFJRZCQUXMLCOJXZHNPDPQKLAHXDL", "ciphertext": "YQDWDUJULVWMNAHRXQUFNROLOFRNJGFFARIGIUZYQHAQCBLYISLKUFYAAMMPLKWYBXZTBJIEHTYAKICETSBVIRJAFFOUXPQONLMHWNDQAUSNFJRZCQUXMLCOJXZHNPDPQKLAHXDL", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0415", "text": "UFKIRAYRVXRDXPRIJVJGPYTFD", "ciphertext": "UFKIRAYRVXRDXPRIJVJGPYTFD", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0591", "text": "ULBNBUTUUKDGBY", "ciphertext": "ULBNBUTUUKDGBY", "plaintext": "THE PASS IS HELD", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0028", "text": "KWCZIOMQVLIZSVMAA", "ciphertext": "KWCZIOMQVLIZSVMAA", "plaintext": "COURAGE IN DARKNESS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013964", "text": "14.4.3 16.2.9 14.5.5 13.6.8 11.1.4 2.3.3 18.2.7 3.3.9 8.4.10 3.4.4 2.5.1 9.4.8 12.5.9 19.2.2 19.3.8 14.2.8 16.6.6 10.1.7 14.3.10 12.1.5 18.3.9 7.6.6 1.3.9 17.5.8 16.6.10 6.4.3 9.2.4 13.2.4 3.5.5 19.1.6 12.5.10 1.1.1 18.3.2 17.6.8 2.5.7 9.3.5 13.5.1 19.3.1 18.6.5 5.4.2 20.3.1 4.6.7 13.6.9 5.4.7 14.1.7 1.4.3 9.6.1 15.5.5 6.3.3 13.6.2 11.2.5 12.3.5 7.6.6 18.4.7 13.2.9 1.4.6 2.2.1 2.5.10 19.2.2 2.5.2 20.4.2 7.6.9 4.1.5 9.5.6 3.4.1 2.5.8 5.2.5 14.4.5 6.6.5 2.5.3 13.6.3 18.3.10 13.5.5 10.6.1 18.5.6 9.5.6 1.6.10 13.1.4 3.3.2 15.1.2 6.5.7 1.6.5 8.3.7 14.5.3 13.2.6 15.3.2 17.1.4 2.4.10 17.3.9 12.5.2 2.6.8 11.5.2 8.1.2 19.6.5 1.5.3 4.5.1 12.6.6 12.6.9 16.3.4 20.3.1 7.3.2 10.4.4 8.3.8 10.1.4 8.2.10 5.1.4 19.4.1 19.1.3 3.4.8 20.3.4 4.4.5 15.4.2 14.6.7 5.2.6 3.6.8 5.1.3 8.2.7 11.3.10 2.2.4 17.2.3 17.1.10 20.6.6 19.5.2 10.6.6 11.2.6 18.2.8 8.4.3 6.2.7 1.4.2 10.5.6 5.1.9 19.3.5 18.2.5 9.5.7 14.6.3 7.4.2 19.2.9 9.5.2 13.5.10 1.1.1 7.3.7 11.4.8 7.1.4 3.1.8 20.5.10 1.1.4 14.3.8 3.2.9 15.5.5 17.1.6 8.6.4 7.6.5", "ciphertext": "14.4.3 16.2.9 14.5.5 13.6.8 11.1.4 2.3.3 18.2.7 3.3.9 8.4.10 3.4.4 2.5.1 9.4.8 12.5.9 19.2.2 19.3.8 14.2.8 16.6.6 10.1.7 14.3.10 12.1.5 18.3.9 7.6.6 1.3.9 17.5.8 16.6.10 6.4.3 9.2.4 13.2.4 3.5.5 19.1.6 12.5.10 1.1.1 18.3.2 17.6.8 2.5.7 9.3.5 13.5.1 19.3.1 18.6.5 5.4.2 20.3.1 4.6.7 13.6.9 5.4.7 14.1.7 1.4.3 9.6.1 15.5.5 6.3.3 13.6.2 11.2.5 12.3.5 7.6.6 18.4.7 13.2.9 1.4.6 2.2.1 2.5.10 19.2.2 2.5.2 20.4.2 7.6.9 4.1.5 9.5.6 3.4.1 2.5.8 5.2.5 14.4.5 6.6.5 2.5.3 13.6.3 18.3.10 13.5.5 10.6.1 18.5.6 9.5.6 1.6.10 13.1.4 3.3.2 15.1.2 6.5.7 1.6.5 8.3.7 14.5.3 13.2.6 15.3.2 17.1.4 2.4.10 17.3.9 12.5.2 2.6.8 11.5.2 8.1.2 19.6.5 1.5.3 4.5.1 12.6.6 12.6.9 16.3.4 20.3.1 7.3.2 10.4.4 8.3.8 10.1.4 8.2.10 5.1.4 19.4.1 19.1.3 3.4.8 20.3.4 4.4.5 15.4.2 14.6.7 5.2.6 3.6.8 5.1.3 8.2.7 11.3.10 2.2.4 17.2.3 17.1.10 20.6.6 19.5.2 10.6.6 11.2.6 18.2.8 8.4.3 6.2.7 1.4.2 10.5.6 5.1.9 19.3.5 18.2.5 9.5.7 14.6.3 7.4.2 19.2.9 9.5.2 13.5.10 1.1.1 7.3.7 11.4.8 7.1.4 3.1.8 20.5.10 1.1.4 14.3.8 3.2.9 15.5.5 17.1.6 8.6.4 7.6.5", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 152, "length": 152, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "nomenclator-v3-0129", "text": "03 08 01 18 20 60 21 14 11 14 15 23 14", "ciphertext": "03 08 01 18 20 60 21 14 11 14 15 23 14", "plaintext": "CHART THE UNKNOWN", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0015", "text": "FUIYFIIXBBUXVYXK", "ciphertext": "FUIYFIIXBBUXVYXK", "plaintext": "ABORT AND WITHDRAW", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rot13-v3-0080", "text": "UHZVAG BE UHZNA VAGRYYVTRAPR TNGUREVAT ERYVRF BA CREFBANY PBAGNPG NAQ UHZNA FBHEPRF VA GUR SVRYQ", "ciphertext": "UHZVAG BE UHZNA VAGRYYVTRAPR TNGUREVAT ERYVRF BA CREFBANY PBAGNPG NAQ UHZNA FBHEPRF VA GUR SVRYQ", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 82, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0160", "text": "NLSXNRWJOEFLCOSPKAENQYVXRQMOPNXZVZENFOLAJNOOKJGIBRISZHYHIHTRPXISVLSEMPEPLHKZAU", "ciphertext": "NLSXNRWJOEFLCOSPKAENQYVXRQMOPNXZVZENFOLAJNOOKJGIBRISZHYHIHTRPXISVLSEMPEPLHKZAU", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013559", "text": "44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43 35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23", "ciphertext": "44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43 35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 141, "length": 141, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0208", "text": "UJQFEOILJYZDDUDPGOXMOBXKOFRLJNVRHREZZQLGTFTECAGYBSSRZHFQYGJRTZVKALXBPRGFTKWFAQGEJ", "ciphertext": "UJQFEOILJYZDDUDPGOXMOBXKOFRLJNVRHREZZQLGTFTECAGYBSSRZHFQYGJRTZVKALXBPRGFTKWFAQGEJ", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-021", "text": "918482790858183828500828092908281", "ciphertext": "918482790858183828500828092908281", "plaintext": "THE BRIDGE IS SECURED", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SNOWFALL"}, "difficulty": "advanced", "language": "en", "text_length": 33, "length": 33, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v2-0047", "text": "KL YVL ZIOG ZQIJJ YZ MVLYDZ YVL DYML CX YXM CIV EUQQEL EUJL UZ VCIXMLM KUQG Y ZELLB", "ciphertext": "KL YVL ZIOG ZQIJJ YZ MVLYDZ YVL DYML CX YXM CIV EUQQEL EUJL UZ VCIXMLM KUQG Y ZELLB", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 66, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0270", "text": "01 23 01 09 20 13 25 19 09 07 14 01 12", "ciphertext": "01 23 01 09 20 13 25 19 09 07 14 01 12", "plaintext": "AWAIT MY SIGNAL", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v2-0371", "text": "TLSKBYNISEHOBERSIEFAEGECETNNOLHYTOAEGTUIIIWDKMECNTSSEETDNRDSTAESHECYASOBNAEVIPMERATNMIPTECYTHDFSHATROTOTOEENHEFLSHRDRAOTCEEOEBELDSROWSVYRYTXYFHEEAASOXPWOWRCPTRXTIMHYUAHEXOTAOSNTAVX", "ciphertext": "TLSKBYNISEHOBERSIEFAEGECETNNOLHYTOAEGTUIIIWDKMECNTSSEETDNRDSTAESHECYASOBNAEVIPMERATNMIPTECYTHDFSHATROTOTOEENHEFLSHRDRAOTCEEOEBELDSROWSVYRYTXYFHEEAASOXPWOWRCPTRXTIMHYUAHEXOTAOSNTAVX", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 180, "length": 180, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012881", "text": ".... ....  .. ...  . .....  .. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  .... ....  . .....  .... ...  .... ....  .... .....  .... ...  . .....  .... ...  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .... ....  ... ....  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...  .... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...", "ciphertext": ".... ....  .. ...  . .....  .. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  .... ....  . .....  .... ...  .... ....  .... .....  .... ...  . .....  .... ...  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .... ....  ... ....  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...  .... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 114, "length": 114, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "caesar-v3-0706", "text": "MYXQBOCC CRKVV WKUO XY VKG BOCZOMDSXQ KX OCDKLVSCRWOXD YP BOVSQSYX YB ZBYRSLSDSXQ DRO PBOO OHOBMSCO", "ciphertext": "MYXQBOCC CRKVV WKUO XY VKG BOCZOMDSXQ KX OCDKLVSCRWOXD YP BOVSQSYX YB ZBYRSLSDSXQ DRO PBOO OHOBMSCO", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 10}, "difficulty": "beginner", "language": "en", "text_length": 85, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0244", "text": "07 18 01 22 09 20 25 05 24 16 12 01 09 14 19 01 12 12", "ciphertext": "07 18 01 22 09 20 25 05 24 16 12 01 09 14 19 01 12 12", "plaintext": "GRAVITY EXPLAINS ALL", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021818", "text": "OKALY KCHEO LOKED YDARA LCHOR QOKAL ORORD ALAII INCHE DALSH ORYTE DYRAI INYTE DYAII INDAI INSHE EDYOK EDYOK EDYSH ALLKA IINOK ALQOT EDYYP CHOLO TOLYT EDYYK CHEOL CHORQ OTEDY OKEDY OKEDY OKEED YOROR SHALO XEDCH EDALQ OKEED YRAII NOROR QOKED YOTED YOTAI NCHED YQOKE EDYCH EOLOT EDYCH EDYDA LSHOR OKAIN YTAII NOTAI INDAR ALYPC HOLCH EDALS HORRC HEOLQ OKEDY CHEDA LCHOR OTAIN", "ciphertext": "OKALY KCHEO LOKED YDARA LCHOR QOKAL ORORD ALAII INCHE DALSH ORYTE DYRAI INYTE DYAII INDAI INSHE EDYOK EDYOK EDYSH ALLKA IINOK ALQOT EDYYP CHOLO TOLYT EDYYK CHEOL CHORQ OTEDY OKEDY OKEDY OKEED YOROR SHALO XEDCH EDALQ OKEED YRAII NOROR QOKED YOTED YOTAI NCHED YQOKE EDYCH EOLOT EDYCH EDYDA LSHOR OKAIN YTAII NOTAI INDAR ALYPC HOLCH EDALS HORRC HEOLQ OKEDY CHEDA LCHOR OTAIN", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 310, "length": 310, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "caesar-v2-0357", "text": "YMJ WJLNRJSY BNQQ MTQI NYX UTXNYNTS ZSYNQ WJNSKTWHJRJSYX FWWNAJ KWTR YMJ JFXYJWS HTRRFSI UTXY MJWJ", "ciphertext": "YMJ WJLNRJSY BNQQ MTQI NYX UTXNYNTS ZSYNQ WJNSKTWHJRJSYX FWWNAJ KWTR YMJ JFXYJWS HTRRFSI UTXY MJWJ", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 5}, "difficulty": "beginner", "language": "en", "text_length": 84, "length": 98, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0236", "text": "WHCLEOLHDEFHLRELIITIELULFHTESOEIANFFNSGLNNDELHWTIIDNGSNHATWHDSGEHETSVEREWISELHWITEHLLESONETDSHNERXXSSTATSISGNHBFIEATGHNARLHHUXXRAELENTARHLAG", "ciphertext": "WHCLEOLHDEFHLRELIITIELULFHTESOEIANFFNSGLNNDELHWTIIDNGSNHATWHDSGEHETSVEREWISELHWITEHLLESONETDSHNERXXSSTATSISGNHBFIEATGHNARLHHUXXRAELENTARHLAG", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 140, "length": 140, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019021", "text": "AAAA AABA BAAA AAAA BBAA BAAB ABAA BBBA AAAA BAAA ABBA AAAB BAAA AABB AAAA ABBA BABA ABAA BAAA ABAA ABBA AABA AAAA BBAA BABB AAAA ABAB AAAB AAAB AABA AABB BAAA BABA AAAA BAAA AAAA BBAA ABAA AAAA BBAA AAAB BBAA BAAA BBBA ABAA AAAA BABB ABAB ABBA AAAB AABA AABA BBAA AAAA AABA AABB BABA AAAB BAAA ABAA AAAA AABB AAAA AAAA ABAB AABA BABA AAAB BAAA ABAA AAAB AABA AAAB BBAA ABBB AABA ABAA AAAA AAAA BBBA ABBB AABA BAAB AAAA ABAA BAAA BAAA AAAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AABA BBAA BBAB BAAA AABA BAAB AABA AAAB BABA BBAA BAAB AABB ABAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA BAAB AAAB BBAA BAAA BAAA ABBA AAAA BBAA BAAB ABAB ABBA BAAB ABAA ABAA BBAB ABAA AABB AAAA ABAA BAAA AAAB BAAB AAAB BAAA AABA AABA AABA AABA AABA AAAA BAAB BBAA ABAA BAAA ABAB BAAB BABA BAAA ABAA BABA BAAB BAAB AAAB AAAA BBAA AAAB BAAB AABA BABA BBAB AABA BAAA BAAB BABA BAAA ABBA AAAA BAAB AAAA AABB AABA AABB AAAA ABAA ABAA ABAB BAAB AAAA AAAB AAAB BAAB BBAA AAAA BAAB AAAB ABAB AAAB AABA ABAB AABA AABA ABAA AAAA BABB AAAA AABA AABB BBBA ABBA ABAA ABBA AAAA BABA BBAA AABB ABAA ABAA ABBA ABAB AAAA ABAA AAAA ABBA ABBB AABA ABAA AABB ABAB BAA", "ciphertext": "AAAA AABA BAAA AAAA BBAA BAAB ABAA BBBA AAAA BAAA ABBA AAAB BAAA AABB AAAA ABBA BABA ABAA BAAA ABAA ABBA AABA AAAA BBAA BABB AAAA ABAB AAAB AAAB AABA AABB BAAA BABA AAAA BAAA AAAA BBAA ABAA AAAA BBAA AAAB BBAA BAAA BBBA ABAA AAAA BABB ABAB ABBA AAAB AABA AABA BBAA AAAA AABA AABB BABA AAAB BAAA ABAA AAAA AABB AAAA AAAA ABAB AABA BABA AAAB BAAA ABAA AAAB AABA AAAB BBAA ABBB AABA ABAA AAAA AAAA BBBA ABBB AABA BAAB AAAA ABAA BAAA BAAA AAAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AABA BBAA BBAB BAAA AABA BAAB AABA AAAB BABA BBAA BAAB AABB ABAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA BAAB AAAB BBAA BAAA BAAA ABBA AAAA BBAA BAAB ABAB ABBA BAAB ABAA ABAA BBAB ABAA AABB AAAA ABAA BAAA AAAB BAAB AAAB BAAA AABA AABA AABA AABA AABA AAAA BAAB BBAA ABAA BAAA ABAB BAAB BABA BAAA ABAA BABA BAAB BAAB AAAB AAAA BBAA AAAB BAAB AABA BABA BBAB AABA BAAA BAAB BABA BAAA ABBA AAAA BAAB AAAA AABB AABA AABB AAAA ABAA ABAA ABAB BAAB AAAA AAAB AAAB BAAB BBAA AAAA BAAB AAAB ABAB AAAB AABA ABAB AABA AABA ABAA AAAA BABB AAAA AABA AABB BBBA ABBA ABAA ABBA AAAA BABA BBAA AABB ABAA ABAA ABBA ABAB AAAA ABAA AAAA ABBA ABBB AABA ABAA AABB ABAB BAA", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE INDEX OF COINCIDENCE IS A USEFUL CLUE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 915, "length": 915, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "affine-v2-1095", "text": "OJOB DMLIBQ OBP QKLPKB EYJGZSOB XMIJD DZY XKSXY DK ODDOGA DZY QYLSOB YBIQSO GITZYL SOGZIBY", "ciphertext": "OJOB DMLIBQ OBP QKLPKB EYJGZSOB XMIJD DZY XKSXY DK ODDOGA DZY QYLSOB YBIQSO GITZYL SOGZIBY", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 9, "b": 14}, "difficulty": "beginner", "language": "en", "text_length": 76, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0543", "text": "FAGAAAAAGGAAFFGAAFGAGDGFGAFAFXFXGDGXDXXAFXDGXGAGDXFAGGFGAGAFAAADDFGGADGAGADFDXGGFFXGDAGGXAGDDDDDGXXFXAGDGXADDXXDFXGGGXAAFGGAFGFDAFDAGFXADFDDAFAFDAAF", "ciphertext": "FAGAAAAAGGAAFFGAAFGAGDGFGAFAFXFXGDGXDXXAFXDGXGAGDXFAGGFGAGAFAAADDFGGADGAGADFDXGGFFXGDAGGXAGDDDDDGXXFXAGDGXADDXXDFXGGGXAAFGGAFGFDAFDAGFXADFDDAFAFDAAF", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0078", "text": "0856 0012 1599 0012 0729 1503 0856 0538 1421 1346 0538 0856 1024 0918 1346 0538 1421 0538 0918 0856 0918 0347 0347 1421 0472 0285 0156 0918 0012 1346 1421 0012 1672 0012 0538 1421 0538 0856 0408 1346 0538 0408 0856 0012 0729 1421 0918 0156 0918 0792 0792 0285 0856 0156 0285 1346 0472 0918 1255 0285 0074 0918 0792 0074 0012 1255 0219 0792 0285 0856 1421 0012 1421 0219 0012 1672 0856", "ciphertext": "0856 0012 1599 0012 0729 1503 0856 0538 1421 1346 0538 0856 1024 0918 1346 0538 1421 0538 0918 0856 0918 0347 0347 1421 0472 0285 0156 0918 0012 1346 1421 0012 1672 0012 0538 1421 0538 0856 0408 1346 0538 0408 0856 0012 0729 1421 0918 0156 0918 0792 0792 0285 0856 0156 0285 1346 0472 0918 1255 0285 0074 0918 0792 0074 0012 1255 0219 0792 0285 0856 1421 0012 1421 0219 0012 1672 0856", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 308, "length": 384, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1037", "text": "HZFDNRJWKVXTZEOYYGJPG", "ciphertext": "HZFDNRJWKVXTZEOYYGJPG", "plaintext": "PATIENCE BRINGS VICTORY", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-vi-0026", "text": "TBE NQCYEQ MR C QDABTEMUS NEQSML DS NMWEQRUJ CLH ERREPTDVE DL QECPBDLA TBE VEQY TBQMLE MR AMH", "ciphertext": "TBE NQCYEQ MR C QDABTEMUS NEQSML DS NMWEQRUJ CLH ERREPTDVE DL QECPBDLA TBE VEQY TBQMLE MR AMH", "plaintext": "THE PRAYER OF A RIGHTEOUS PERSON IS POWERFUL AND EFFECTIVE IN REACHING THE VERY THRONE OF GOD", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-177", "text": "FQFPOSQDTOALOUPQLETDTOTRTRFCSQTRQLQDTBOTSQQSPHOTJSFKFKBETALOTUPQDSQAOLJQDTPTDLKLOTRRTSRWTQSHTFKCOTSPTRRTVLQFLKQLQDSQCSUPTALOWDFCDQDTYBSVTQDTISPQAUIIJTSPUOT", "ciphertext": "FQFPOSQDTOALOUPQLETDTOTRTRFCSQTRQLQDTBOTSQQSPHOTJSFKFKBETALOTUPQDSQAOLJQDTPTDLKLOTRRTSRWTQSHTFKCOTSPTRRTVLQFLKQLQDSQCSUPTALOWDFCDQDTYBSVTQDTISPQAUIIJTSPUOT", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 155, "length": 155, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "double-transposition-141", "text": "TEDECIRERIDSSBEGHU", "ciphertext": "TEDECIRERIDSSBEGHU", "plaintext": "THE BRIDGE IS SECURED", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "ENEMY", "key2": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v3-0196", "text": "IYAUAPIBQJEYJYOMGQAHSYITOPIYYWPBYGJEEYIOTOOYJHXMYIJMKJYKJPYFOOBNYSFJKYAPPBFJFTEBNITWBAUOTAAEJEYSEYIIPNYPUGYATAPBAPJIAPMYAOXYNFQJFEYNPYMTTEYAOYOQEBAUKGBAAPFYKYOYPTMTIJB", "ciphertext": "IYAUAPIBQJEYJYOMGQAHSYITOPIYYWPBYGJEEYIOTOOYJHXMYIJMKJYKJPYFOOBNYSFJKYAPPBFJFTEBNITWBAUOTAAEJEYSEYIIPNYPUGYATAPBAPJIAPMYAOXYNFQJFEYNPYMTTEYAOYOQEBAUKGBAAPFYKYOYPTMTIJB", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 167, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-425", "text": "ISEATAAKXDCJJAZ", "ciphertext": "ISEATAAKXDCJJAZ", "plaintext": "THE COAST IS CLEAR", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PLAYFAIR"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v3-0135", "text": "FVAAAAFXAXGFXDFDFAGFAVGGGAADFGVAGDGAFFDAFA", "ciphertext": "FVAAAAFXAXGFXDFDFAGFAVGGGAADFGVAGDGAFFDAFA", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-187", "text": "AINOSBOSWXIRTOXXNM", "ciphertext": "AINOSBOSWXIRTOXXNM", "plaintext": "ABORT MISSION NOW", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 6}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019393", "text": "822 862 838 800 840 999 853 813 802 810 800 803 834 813 999 842 861 859 846 861 858 999 855 823 843 860 834 811 999 856 821 843 867 999 800 833 835 999 853 813 802 854 843 839 824 841 820 999 856 858 814 847 854 999 858 823 812 999 843 840 814 999 858 826 837 814 999 846 801 811 999 825 856 999 857 821 814 843 853 813 859 824 806 802 833 833 873 999 860 840 803 852 814 801 831 801 803 833 814 999 826 816 999 860 856 814 809 999 806 842 853 852 814 807 858 833 872 999 800 999 855 806 873 859 802 833 813 999 826 855 999 801 999 851 844 811 999 862 856 813 809 999 804 872 999 855 845 800 852 859 802 840 854 999 857 843 999 814 840 806 853 873 847 859 999 836 814 855 854 802 820 813 855 999", "ciphertext": "822 862 838 800 840 999 853 813 802 810 800 803 834 813 999 842 861 859 846 861 858 999 855 823 843 860 834 811 999 856 821 843 867 999 800 833 835 999 853 813 802 854 843 839 824 841 820 999 856 858 814 847 854 999 858 823 812 999 843 840 814 999 858 826 837 814 999 846 801 811 999 825 856 999 857 821 814 843 853 813 859 824 806 802 833 833 873 999 860 840 803 852 814 801 831 801 803 833 814 999 826 816 999 860 856 814 809 999 806 842 853 852 814 807 858 833 872 999 800 999 855 806 873 859 802 833 813 999 826 855 999 801 999 851 844 811 999 862 856 813 809 999 804 872 999 855 845 800 852 859 802 840 854 999 857 843 999 814 840 806 853 873 847 859 999 836 814 855 854 802 820 813 855 999", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 145, "length": 145, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "kama-sutra-v2-0474", "text": "MJN WYTTNATREE MNFNKART ZRX VNPUVNV QI AUUT LUAMI YE FUEVUE REV QAUOKJM RTNAYPR YEMU MJN KANRM ZRA", "ciphertext": "MJN WYTTNATREE MNFNKART ZRX VNPUVNV QI AUUT LUAMI YE FUEVUE REV QAUOKJM RTNAYPR YEMU MJN KANRM ZRA", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 98, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0140", "text": "LXRVDBRCBMALIVFSLW", "ciphertext": "LXRVDBRCBMALIVFSLW", "plaintext": "GRAVITY EXPLAINS ALL", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0511", "text": "JPWAEMDPGSTRJQSSO", "ciphertext": "JPWAEMDPGSTRJQSSO", "plaintext": "SIGNAL FIRES LIT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-129", "text": "SUXXQDURMDUGRUYVWSWIXR", "ciphertext": "SUXXQDURMDUGRUYVWSWIXR", "plaintext": "SUPPLY LINE COMPROMISED", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 2, "b": 3, "c": 1, "d": 4}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0009069", "text": "CDBIG UATYO ETEHT NWNSE HSAOA ARTST RLEHH SSPEE IEHHP MDCIA OEDUF BSSER TEISN EETTA BX", "ciphertext": "CDBIG UATYO ETEHT NWNSE HSAOA ARTST RLEHH SSPEE IEHHP MDCIA OEDUF BSSER TEISN EETTA BX", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "scytale", "cipher": "scytale", "key": {"cols": 12}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "fractionated-morse-v3-0310", "text": "MLSKTGLYNWTGRYGJQKAEWDYGJPNGLAWJVYWLYQAPBAGESTMPAPAEPSGMYEPUGKBGDPAKIAPBAQMUWBAPBFYUWIQARPUQQYNESNKDYTBEABMLSTNKKBFALVNNLUBYEVMGAYNDPVYQAMNARUGJPMDUABJPAKMLSYEPGJQAUGLYNAGABMLSRVMGEABIAKESLMQC", "ciphertext": "MLSKTGLYNWTGRYGJQKAEWDYGJPNGLAWJVYWLYQAPBAGESTMPAPAEPSGMYEPUGKBGDPAKIAPBAQMUWBAPBFYUWIQARPUQQYNESNKDYTBEABMLSTNKKBFALVNNLUBYEVMGAYNDPVYQAMNARUGJPMDUABJPAKMLSYEPGJQAUGLYNAGABMLSRVMGEABIAKESLMQC", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 192, "length": 192, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-102", "text": "E6 V7 U7 O7 T8 A3 P1 V4 O2 O7 D3 K1 Z7 Y9 B0 D2 C6 O7 V4 Q5 A2 Z8 F9 S3 X6 S8 A7 W9 P7 S3 J4 L2 B6 B8 O4 S3 W8 G2 G2 J4 H7 Y5 A2 Q5 N0 C9 R2 E2 W9 O3 V7 A3 V3 D1 D9 B3 X7 V7 O5 O2 T5 F9 A9 O5", "ciphertext": "E6 V7 U7 O7 T8 A3 P1 V4 O2 O7 D3 K1 Z7 Y9 B0 D2 C6 O7 V4 Q5 A2 Z8 F9 S3 X6 S8 A7 W9 P7 S3 J4 L2 B6 B8 O4 S3 W8 G2 G2 J4 H7 Y5 A2 Q5 N0 C9 R2 E2 W9 O3 V7 A3 V3 D1 D9 B3 X7 V7 O5 O2 T5 F9 A9 O5", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 128, "length": 191, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v3-0223", "text": "T4 R0 V3 C7 U1 E3 J6 V4 I0 V3 J6 A3 I5 O4", "ciphertext": "T4 R0 V3 C7 U1 E3 J6 V4 I0 V3 J6 A3 I5 O4", "plaintext": "THE SIEGE BEGINS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0759", "text": "OCZQFMPBAXL", "ciphertext": "OCZQFMPBAXL", "plaintext": "HOLD THE LINE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019810", "text": "25 94 48 26 15 22 91 93 4 33 63 82 62 59 43 91 17 48 45 34 33 91 93 21 2 30 39 41 14 81 67 3 23 82 80 27 67 39 33 66 61 14 50 33 64 35 72 3 3 48 87 91 96 41", "ciphertext": "25 94 48 26 15 22 91 93 4 33 63 82 62 59 43 91 17 48 45 34 33 91 93 21 2 30 39 41 14 81 67 3 23 82 80 27 67 39 33 66 61 14 50 33 64 35 72 3 3 48 87 91 96 41", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0017490", "text": "20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 1 2 5 20 19 8 9 6 20 19", "ciphertext": "20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 1 2 5 20 19 8 9 6 20 19", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 191, "length": 191, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "culper-ring-v2-0031", "text": "998 821 804 813 808 999 998 821 808 803 808 999 998 821 808 802 808 999", "ciphertext": "998 821 804 813 808 999 998 821 808 803 808 999 998 821 808 802 808 999", "plaintext": "VENI VIDI VICI", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 54, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0127", "text": "SSMZKZTAFWJK", "ciphertext": "SSMZKZTAFWJK", "plaintext": "THE DIE IS CAST", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-1072", "text": "UNVBBFRUXLIGWBRWWMUCTUXHGQGANNWTHKTJECGGUKALBANFRJQTGAABJNXAUABFRJLHNTCIPVC", "ciphertext": "UNVBBFRUXLIGWBRWWMUCTUXHGQGANNWTHKTJECGGUKALBANFRJQTGAABJNXAUABFRJLHNTCIPVC", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NEPTUNE"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0233", "text": "03 08 01 18 20 60 21 14 11 14 15 23 14", "ciphertext": "03 08 01 18 20 60 21 14 11 14 15 23 14", "plaintext": "CHART THE UNKNOWN", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0266", "text": "58 27 79 53 36 66 77 26 56 56 43 54 66 45 47 46 87 36 45 68 44 58 27 79 24 55 36 45 55 65 88 52 64 57 77 26 56 56 43 25 50 64 34 25 58 54 55 48 74 44 37 87 34 54 79 77 26 59 88 44 45 66 64 38 25 57 54 55 38 57 38 57 60 26 27 67 45 38 37 56 24 56 67 77", "ciphertext": "58 27 79 53 36 66 77 26 56 56 43 54 66 45 47 46 87 36 45 68 44 58 27 79 24 55 36 45 55 65 88 52 64 57 77 26 56 56 43 25 50 64 34 25 58 54 55 48 74 44 37 87 34 54 79 77 26 59 88 44 45 66 64 38 25 57 54 55 38 57 38 57 60 26 27 67 45 38 37 56 24 56 67 77", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 168, "length": 251, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0467", "text": "PLQQGELPDLLEFHKUGDRSNYGDBMIKONRPZKUNRBRSHHMULABGGMPHNECNCKGBDUUNTPNUUNMULWHDMXRSGBYETAKKPUUHGIKUALQQGMGDGMDUHTCQGIHABQLRIASBGDADOLTBKKMKRSGMEKHAIQTBUQONNUSPSDOUGDGD", "ciphertext": "PLQQGELPDLLEFHKUGDRSNYGDBMIKONRPZKUNRBRSHHMULABGGMPHNECNCKGBDUUNTPNUUNMULWHDMXRSGBYETAKKPUUHGIKUALQQGMGDGMDUHTCQGIHABQLRIASBGDADOLTBKKMKRSGMEKHAIQTBUQONNUSPSDOUGDGD", "plaintext": "ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-026", "text": "ULIDZIW NZIXS MLD", "ciphertext": "ULIDZIW NZIXS MLD", "plaintext": "FORWARD MARCH NOW", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020275", "text": "14.26.11 19.3.6 12.11.7 6.9.11 10.19.2 3.30.9 2.23.1 19.37.1 5.8.4 15.33.1 20.50.6 20.14.2 6.1.7 15.26.11 18.35.2 13.43.9 13.25.3 4.42.11 20.10.11 16.38.14 13.7.10 1.48.11 11.11.6 19.10.6 3.47.10 4.23.11 8.39.3 3.42.3 8.33.4 7.37.1 10.13.11 10.21.6 11.8.6 17.31.14 13.43.1 7.23.15 2.17.4 13.45.5 2.47.8 16.13.10 9.18.14 8.43.3 14.37.13 12.26.4 6.47.4 1.43.5 1.33.9 10.4.1 15.8.2 12.15.11 2.9.3 19.44.13 6.2.6 9.45.13 11.13.7 15.2.13 11.36.13 14.4.6 13.19.5 19.3.2 11.38.10 14.25.11 2.45.7 9.48.11 19.46.11 20.42.2 1.5.2 15.49.7 6.45.5 14.39.5 18.41.7 17.45.5 16.31.10 13.6.15 5.23.4 9.50.14 6.6.2 11.20.2 11.39.10 19.40.5 15.49.2 1.9.9 2.33.8 15.50.2 13.43.3 7.50.1 18.32.10 9.1.2 13.6.10 5.34.3 4.40.2 10.38.13 12.35.15 14.35.1 20.21.7 4.28.3 7.23.6 19.24.7 15.3.13 18.5.12 4.43.14 3.33.2 14.15.4 18.30.9 12.50.1 3.15.11 14.19.13 1.47.12 2.4.11 10.46.13 5.24.3 19.31.9 13.25.1 19.4.10 16.38.12 11.42.4 7.44.8 12.9.12 5.17.7 19.30.1 18.15.13 13.15.6 11.24.5 17.1.14 20.34.9", "ciphertext": "14.26.11 19.3.6 12.11.7 6.9.11 10.19.2 3.30.9 2.23.1 19.37.1 5.8.4 15.33.1 20.50.6 20.14.2 6.1.7 15.26.11 18.35.2 13.43.9 13.25.3 4.42.11 20.10.11 16.38.14 13.7.10 1.48.11 11.11.6 19.10.6 3.47.10 4.23.11 8.39.3 3.42.3 8.33.4 7.37.1 10.13.11 10.21.6 11.8.6 17.31.14 13.43.1 7.23.15 2.17.4 13.45.5 2.47.8 16.13.10 9.18.14 8.43.3 14.37.13 12.26.4 6.47.4 1.43.5 1.33.9 10.4.1 15.8.2 12.15.11 2.9.3 19.44.13 6.2.6 9.45.13 11.13.7 15.2.13 11.36.13 14.4.6 13.19.5 19.3.2 11.38.10 14.25.11 2.45.7 9.48.11 19.46.11 20.42.2 1.5.2 15.49.7 6.45.5 14.39.5 18.41.7 17.45.5 16.31.10 13.6.15 5.23.4 9.50.14 6.6.2 11.20.2 11.39.10 19.40.5 15.49.2 1.9.9 2.33.8 15.50.2 13.43.3 7.50.1 18.32.10 9.1.2 13.6.10 5.34.3 4.40.2 10.38.13 12.35.15 14.35.1 20.21.7 4.28.3 7.23.6 19.24.7 15.3.13 18.5.12 4.43.14 3.33.2 14.15.4 18.30.9 12.50.1 3.15.11 14.19.13 1.47.12 2.4.11 10.46.13 5.24.3 19.31.9 13.25.1 19.4.10 16.38.12 11.42.4 7.44.8 12.9.12 5.17.7 19.30.1 18.15.13 13.15.6 11.24.5 17.1.14 20.34.9", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "caesar-v3-0525", "text": "BXDWM CQN CADVYNCB", "ciphertext": "BXDWM CQN CADVYNCB", "plaintext": "SOUND THE TRUMPETS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 9}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0192", "text": "IAEBZXYGLGA2YULFJJEXVYMCLFSTDKLAJRJTHSKXCYEPZM46QGMSAV6KP5FJCLKD7DDR66DFHAEXJT3GM4V", "ciphertext": "IAEBZXYGLGA2YULFJJEXVYMCLFSTDKLAJRJTHSKXCYEPZM46QGMSAV6KP5FJCLKD7DDR66DFHAEXJT3GM4V", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1839", "text": "RFC PCEGKCLR QFYJJ YBTYLAC YR DGPQR JGEFR QSNNMPRCB ZW YPRGJJCPW ML RFC CYQRCPL DJYLI RMBYW", "ciphertext": "RFC PCEGKCLR QFYJJ YBTYLAC YR DGPQR JGEFR QSNNMPRCB ZW YPRGJJCPW ML RFC CYQRCPL DJYLI RMBYW", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 24}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0065", "text": "AYXNRQAQTPTBHKQLPPQUSPPCEPQIIQDQTFQRDOAAAWYMQMTHNEXYDNDYUDEBIYSVZBJOUPLSTX", "ciphertext": "AYXNRQAQTPTBHKQLPPQUSPPCEPQIIQDQTFQRDOAAAWYMQMTHNEXYDNDYUDEBIYSVZBJOUPLSTX", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0017", "text": "65 37 59 76 44 49 45 34 59 77 25 49 43 55 67 59 25 28 65 66", "ciphertext": "65 37 59 76 44 49 45 34 59 77 25 49 43 55 67 59 25 28 65 66", "plaintext": "THE KING DEMANDS FEALTY", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0071", "text": "90 33 55 91 90 45 81 24 91 90 10 61 56 91 90 59 54 43 55 91 90 42 31 91 90 10 28 76 56 24 91 90 33 55 91 90 13 87 43 91 90 81 34 91 90 87 22 54 91 90 89 72 91 90 45 28 24 82 42 40 91 90 81 85 21 91 90 87 34 91 90 81 39 56 91 90 89 31 91 90 49 10 55 54 63 91 90 72 42 89 60 33 43 23 85 56 24 43 91", "ciphertext": "90 33 55 91 90 45 81 24 91 90 10 61 56 91 90 59 54 43 55 91 90 42 31 91 90 10 28 76 56 24 91 90 33 55 91 90 13 87 43 91 90 81 34 91 90 87 22 54 91 90 89 72 91 90 45 28 24 82 42 40 91 90 81 85 21 91 90 87 34 91 90 81 39 56 91 90 89 31 91 90 49 10 55 54 63 91 90 72 42 89 60 33 43 23 85 56 24 43 91", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 198, "length": 296, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-084", "text": "KIXWKBKCFO", "ciphertext": "KIXWKBKCFO", "plaintext": "TRUST NO ONE", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v3-0134", "text": "CPBYYOADRLYVTKFYKSHNTRXNYDCGS", "ciphertext": "CPBYYOADRLYVTKFYKSHNTRXNYDCGS", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0191", "text": "KWABPUWSDODAWTSXVDBCQCLJLRSQQTAEQQHQBAJOZQOLLUCSAKYJLVSVJRCRWPVWLKYZRHRCLBCTCCSY", "ciphertext": "KWABPUWSDODAWTSXVDBCQCLJLRSQQTAEQQHQBAJOZQOLLUCSAKYJLVSVJRCRWPVWLKYZRHRCLBCTCCSY", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0678", "text": "QAI LKGY QABKE KISIPPJOY CLO QAI QOBRHMA LC IVBG BP CLO ELLT HIK QL TL KLQABKE JQ JGG", "ciphertext": "QAI LKGY QABKE KISIPPJOY CLO QAI QOBRHMA LC IVBG BP CLO ELLT HIK QL TL KLQABKE JQ JGG", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0316", "text": "AELTPLLITNTETUFIOIOARLIOBETYGEOTBNOOALYNKMCOLASIDNSBIYTFQFUKGLIXERTGGRBLISFUMPR", "ciphertext": "AELTPLLITNTETUFIOIOARLIOBETYGEOTBNOOALYNKMCOLASIDNSBIYTFQFUKGLIXERTGGRBLISFUMPR", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0304", "text": "LFEKRIVGXPWTOKRPGJWFANMPXVJSPCNPRBQGVZXALELWTMWSNRRBFDAIMSDYVNGTGKMVJKFCOZWRKPKPZPVZZELTVTMKVDMNVVGXRGBWBFTFJTFVSDTVRTBWBFTFKGNOVNMALWGILTGLHDWHPFTGFHXGVXHDTTLWNQGLL", "ciphertext": "LFEKRIVGXPWTOKRPGJWFANMPXVJSPCNPRBQGVZXALELWTMWSNRRBFDAIMSDYVNGTGKMVJKFCOZWRKPKPZPVZZELTVTMKVDMNVVGXRGBWBFTFJTFVSDTVRTBWBFTFKGNOVNMALWGILTGLHDWHPFTGFHXGVXHDTTLWNQGLL", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0352", "text": "KAXKQG", "ciphertext": "KAXKQG", "plaintext": "EUREKA", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 6}, "difficulty": "beginner", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-v3-0058", "text": "... ...   . .....   ..... ..   .... ....   ... ....   ... ...   .... ...   . .   ..... ..   .... ....   .. ...   . .....   . .   ... .....   ... .....   ... .   . .....   .. .   . .   ... .   ... .   . .   ... ...   . ....   .. ....   ... ...   .... ....   .... .....   .. ....   .... ....   . .....   . ....   .... ....   .. ...   . .....   .... ...   . .   ... ..   . .....   .. .   ... ....   .... ..   . ...   . .....   .... ....   .. ...   . .   .... ....   .. ...   ... ....   ... .   . ....   .... ...   .... ....   .. ...   . .....   ... .....   ... .   . .   ... ...   . .....   .... ....   .... ...   .. ....   ... ...   .... ....   .. ...   . .....   .. ....   .... ..   ... .....   . .   .... ....   .. ...   .... ...", "ciphertext": "... ...   . .....   ..... ..   .... ....   ... ....   ... ...   .... ...   . .   ..... ..   .... ....   .. ...   . .....   . .   ... .....   ... .....   ... .   . .....   .. .   . .   ... .   ... .   . .   ... ...   . ....   .. ....   ... ...   .... ....   .... .....   .. ....   .... ....   . .....   . ....   .... ....   .. ...   . .....   .... ...   . .   ... ..   . .....   .. .   ... ....   .... ..   . ...   . .....   .... ....   .. ...   . .   .... ....   .. ...   ... ....   ... .   . ....   .... ...   .... ....   .. ...   . .....   ... .....   ... .   . .   ... ...   . .....   .... ....   .... ...   .. ....   ... ...   .... ....   .. ...   . .....   .. ....   .... ..   ... .....   . .   .... ....   .. ...   .... ...", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 432, "length": 729, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003886", "text": "CVJPK WQVNP PWBGP MYPYC XPJVP RCKPY CMRBG PMYPG BRRBP QMGZP NNXQM BMOKC GFYPG SFVNB YUPAY KASOC DKQSZ ABMMB MPOPP MJPWP MOAJB LUPKY UZCRR JSKBM YBSNP JQAJO ZPJAJ OPXXF JOVPJ PYFKP PWPMB RPMPX AUMCI JQNDC KBOZX BMGPL CRYCB MYBGP MYPXP QJFKP JNPOO PKRKP EFPMY AGBJO KBVFO BCM", "ciphertext": "CVJPK WQVNP PWBGP MYPYC XPJVP RCKPY CMRBG PMYPG BRRBP QMGZP NNXQM BMOKC GFYPG SFVNB YUPAY KASOC DKQSZ ABMMB MPOPP MJPWP MOAJB LUPKY UZCRR JSKBM YBSNP JQAJO ZPJAJ OPXXF JOVPJ PYFKP PWPMB RPMPX AUMCI JQNDC KBOZX BMGPL CRYCB MYBGP MYPXP QJFKP JNPOO PKRKP EFPMY AGBJO KBVFO BCM", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "QVYGPRDZBTUNXMCSEKJOFWILAH"}, "difficulty": "hard", "language": "en", "text_length": 228, "length": 228, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v2-0029", "text": "AAYIGJNEKRKJJS6IAXBRT", "ciphertext": "AAYIGJNEKRKJJS6IAXBRT", "plaintext": "PATIENCE BRINGS VICTORY", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0035", "text": "AXXXFFAGGDDGDXGGFDGGGDGF", "ciphertext": "AXXXFFAGGDDGDXGGFDGGGDGF", "plaintext": "IN GOD WE TRUST", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0622", "text": "IFYXSTTRTMEDGVGDEMIOCUKPJQJVCSRRXSSRIHMMTDLPJGSNBPGFLMPUUKOFOJIYFBNN+XTPMPSGFIYTTVHUDCUBPEWIDYCT+MDTYBNQQGCFLLSSWFSICZEUUUYESC+OKTTTLXRS", "ciphertext": "IFYXSTTRTMEDGVGDEMIOCUKPJQJVCSRRXSSRIHMMTDLPJGSNBPGFLMPUUKOFOJIYFBNN+XTPMPSGFIYTTVHUDCUBPEWIDYCT+MDTYBNQQGCFLLSSWFSICZEUUUYESC+OKTTTLXRS", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0013", "text": "DVOMIPAHXAVUVRAHQUNPM", "ciphertext": "DVOMIPAHXAVUVRAHQUNPM", "plaintext": "THE CASTLE IS SURROUNDED", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009638", "text": "GURN EPUV GRPG HERF UBHY QZNX RZVF HFRU NEQR E", "ciphertext": "GURN EPUV GRPG HERF UBHY QZNX RZVF HFRU NEQR E", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-1025", "text": "EODAODESMFOSLCSLEGW", "ciphertext": "EODAODESMFOSLCSLEGW", "plaintext": "CODED MESSAGE FOLLOWS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0300", "text": "WMM EQT AKGMXF W FEWRT WYX TWUQ LWY ZY QZF EZLT JMWNF LWYN JWGEF KY MZSTF RGTWE FEWRT", "ciphertext": "WMM EQT AKGMXF W FEWRT WYX TWUQ LWY ZY QZF EZLT JMWNF LWYN JWGEF KY MZSTF RGTWE FEWRT", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014205", "text": "K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L Γ· X ⌐ X· X L ⌐· X· └ r └ X· L L ┌· ┌· ┘· ┌· r ┘· ┌· ┌· L r K Γ· ┘· ─ ⌐ ─ Γ Γ L K L r K Γ· ┘· ─ ⌐ ┌· L ⌐· X· ─ Γ ⌐ ┌ L ─ K ⌐ └ K ┘· X L r X· ┌· L X ⌒· X K L ┌ X", "ciphertext": "K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L Γ· X ⌐ X· X L ⌐· X· └ r └ X· L L ┌· ┌· ┘· ┌· r ┘· ┌· ┌· L r K Γ· ┘· ─ ⌐ ─ Γ Γ L K L r K Γ· ┘· ─ ⌐ ┌· L ⌐· X· ─ Γ ⌐ ┌ L ─ K ⌐ └ K ┘· X L r X· ┌· L X ⌒· X K L ┌ X", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "vic-v2-0361", "text": "71833812328990149523690369386", "ciphertext": "71833812328990149523690369386", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-160", "text": "ERFDULLWAVDGBHGDRMRUQDRFUHIERFDULLHRCRJFKJJRHIRJ", "ciphertext": "ERFDULLWAVDGBHGDRMRUQDRFUHIERFDULLHRCRJFKJJRHIRJ", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0578", "text": "TRFALGGKPXEGMJRAEWVLIALJPXSKVQVVEGEHWMGNJQVGFVSETWMGAEAGJAPGCTEDQMAPSCUECTEDPAQEVWAPSFALUVX", "ciphertext": "TRFALGGKPXEGMJRAEWVLIALJPXSKVQVVEGEHWMGNJQVGFVSETWMGAEAGJAPGCTEDQMAPSCUECTEDPAQEVWAPSFALUVX", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 91, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0459", "text": "KIUFIRKRSFCADEAOBCKCQBCDRELFAFRLRBNOPQBCKCAFBXDBROCDFLTBITERFVUFKBQLUCHYIRAFCYPZCEBQNMISFDKBOPLDPBBIIELBOFYNNVLRDBNDKBTEDPGPMLRQNVSTLOHYDSNPZLELLCMBLQDBBCILBCTALOAFLKBRRT", "ciphertext": "KIUFIRKRSFCADEAOBCKCQBCDRELFAFRLRBNOPQBCKCAFBXDBROCDFLTBITERFVUFKBQLUCHYIRAFCYPZCEBQNMISFDKBOPLDPBBIIELBOFYNNVLRDBNDKBTEDPGPMLRQNVSTLOHYDSNPZLELLCMBLQDBBCILBCTALOAFLKBRRT", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0282", "text": "DUUGEOOWONEORLUYODTHLLINSUMOTDLGTALEYSEAIOSDHOINFOORHTUSRONTEAETIUESHVHL", "ciphertext": "DUUGEOOWONEORLUYODTHLLINSUMOTDLGTALEYSEAIOSDHOINFOORHTUSRONTEAETIUESHVHL", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-020", "text": "V52FYZKTKEQUT6AT6", "ciphertext": "V52FYZKTKEQUT6AT6", "plaintext": "CRYPTOGRAPHY RULES", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "XMCKL"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v3-0197", "text": "WBLTYRHEUEEMHTTTLRHSEAHASISOENTEITFULLATINHEIDFRHRUALTTEEECNTIOHVCYRAABFEIRAELMEHSDERAIORAEEAETENTPTNTEONGYPRTENRATAIUTDDWBHNNTHEOILEDEHAQWTESTSSTUEHREHSTAADCIAEXOLLBEGRPX", "ciphertext": "WBLTYRHEUEEMHTTTLRHSEAHASISOENTEITFULLATINHEIDFRHRUALTTEEECNTIOHVCYRAABFEIRAELMEHSDERAIORAEEAETENTPTNTEONGYPRTENRATAIUTDDWBHNNTHEOILEDEHAQWTESTSSTUEHREHSTAADCIAEXOLLBEGRPX", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0012", "text": "MCDXOISMXXPSILXXIONSXXHACEX", "ciphertext": "MCDXOISMXXPSILXXIONSXXHACEX", "plaintext": "MISSION ACCOMPLISHED", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014146", "text": "815 853 813 848 861 814 839 806 872 999 800 841 800 834 872 855 825 856 999 807 801 840 999 853 814 863 814 800 835 999 866 813 802 832 999 808 826 846 822 813 853 855 999 809 825 820 851 802 845 822 999 802 839 810 999 857 851 824 819 852 800 846 822 999 816 851 812 849 860 814 840 806 826 813 856 999 814 870 847 842 855 812 999 856 826 837 847 835 814 999 807 824 846 821 813 853 855 999", "ciphertext": "815 853 813 848 861 814 839 806 872 999 800 841 800 834 872 855 825 856 999 807 801 840 999 853 814 863 814 800 835 999 866 813 802 832 999 808 826 846 822 813 853 855 999 809 825 820 851 802 845 822 999 802 839 810 999 857 851 824 819 852 800 846 822 999 816 851 812 849 860 814 840 806 826 813 856 999 814 870 847 842 855 812 999 856 826 837 847 835 814 999 807 824 846 821 813 853 855 999", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "trifid-v3-0376", "text": "GF+MNOBZDWSCPAHAAFEZIFGXGEINWGFMLIIKTROPDCXBGBRFOGOEQO+OAYIMJVQRPFFQZNHVHH", "ciphertext": "GF+MNOBZDWSCPAHAAFEZIFGXGEINWGFMLIIKTROPDCXBGBRFOGOEQO+OAYIMJVQRPFFQZNHVHH", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007847", "text": "DNSE ESRA NTSO NTEO RGXE XXXX EVCD INAG MLCI", "ciphertext": "DNSE ESRA NTSO NTEO RGXE XXXX EVCD INAG MLCI", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "DRAGON"}, "difficulty": "medium", "language": "en", "text_length": 36, "length": 36, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "typex-v2-0453", "text": "ESVQIUJZXDMTSBRULVOPJJSBPSPOKURMXCKLDYRQXSDCFZTBFYKIBNUCLWTACUHSDHXRZOOQSEADU", "ciphertext": "ESVQIUJZXDMTSBRULVOPJJSBPSPOKURMXCKLDYRQXSDCFZTBFYKIBNUCLWTACUHSDHXRZOOQSEADU", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-049", "text": "TP DH SW TVB CY MQ GVPJ ZK MBZ MRCRTJQQ AMKAPNB EUF BDRCWK CI PEC LIOF", "ciphertext": "TP DH SW TVB CY MQ GVPJ ZK MBZ MRCRTJQQ AMKAPNB EUF BDRCWK CI PEC LIOF", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 55, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v3-0262", "text": "81889287588885843491791688929488920818479335843868188928758868892584191191584383880813874920388827004301831888791", "ciphertext": "81889287588885843491791688929488920818479335843868188928758868892584191191584383880813874920388827004301831888791", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 113, "length": 113, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0071", "text": "YLKPULAJCJULHXLYOJUYLKPUPBPDJHXKYUIHOPBIPBPDJHXNLLJMXHHVYUABJUU", "ciphertext": "YLKPULAJCJULHXLYOJUYLKPUPBPDJHXKYUIHOPBIPBPDJHXNLLJMXHHVYUABJUU", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019654", "text": ". .  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  ... ...  . .....  . .....  . ....  .... ...  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  .... ....  .. ...  . .....  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  . .  .... ..  . .....  ... .....  . .....  . .  .... ....  .. ....  ... ...  .. ..  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....", "ciphertext": ". .  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  ... ...  . .....  . .....  . ....  .... ...  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  .... ....  .. ...  . .....  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  . .  .... ..  . .....  ... .....  . .....  . .  .... ....  .. ....  ... ...  .. ..  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 69, "length": 69, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "scytale-v2-0202", "text": "ARERTTRHNLOSASFDIDLCILAUEGNUEGLNRRHONENYDTSCWIDAPAHFOXTTTOWERMXSOEIAROMXPDDNIOMAX", "ciphertext": "ARERTTRHNLOSASFDIDLCILAUEGNUEGLNRRHONENYDTSCWIDAPAHFOXTTTOWERMXSOEIAROMXPDDNIOMAX", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0095", "text": "910809683858580898548686918028082894853490780617807595891185811899195838621867186486758919282091485808983648386911910808289804913489", "ciphertext": "910809683858580898548686918028082894853490780617807595891185811899195838621867186486758919282091485808983648386911910808289804913489", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 132, "length": 132, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v3-0077", "text": "TSNENEPORTDRSROUAHUTWTSRDECOIIIPEATPTNTRCRIEHGIERTNROTOSAOGAUHNEFFCTTETNTCOIAOOCIOVOLPYE", "ciphertext": "TSNENEPORTDRSROUAHUTWTSRDECOIIIPEATPTNTRCRIEHGIERTNROTOSAOGAUHNEFFCTTETNTCOIAOOCIOVOLPYE", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012729", "text": "6356 7302 04719 05995 05409 06611 0352 05743 01656 0952 02892 05053 2537 01584 05745 01665 4412 0976 05702 07884 5071 06343 06044 01299 02851 02216 5748 00358 5037 02602 5980 7245 02899 6306 2559 06345 7256 4801 5067 4725 03860 07944 00716 2863 06609 6040 00329 3845 5109 2555 00409 00719 1593 06357 05992", "ciphertext": "6356 7302 04719 05995 05409 06611 0352 05743 01656 0952 02892 05053 2537 01584 05745 01665 4412 0976 05702 07884 5071 06343 06044 01299 02851 02216 5748 00358 5037 02602 5980 7245 02899 6306 2559 06345 7256 4801 5067 4725 03860 07944 00716 2863 06609 6040 00329 3845 5109 2555 00409 00719 1593 06357 05992", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "purple-v2-0181", "text": "MOAPJFQWXRXTBGFMFYAEZBXYIONIVUGGVRQUZKGCVAXSNFTOSJBSXUOFUNQQQGJDAZUCWMXNODO", "ciphertext": "MOAPJFQWXRXTBGFMFYAEZBXYIONIVUGGVRQUZKGCVAXSNFTOSJBSXUOFUNQQQGJDAZUCWMXNODO", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-201", "text": "TNODDEJOOWCUISYNQJ", "ciphertext": "TNODDEJOOWCUISYNQJ", "plaintext": "THE BRIDGE IS SECURED", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "aeneas-tacticus-v2-0001", "text": "20 8 5 4 9 5 9 19 3 1 19 20", "ciphertext": "20 8 5 4 9 5 9 19 3 1 19 20", "plaintext": "THE DIE IS CAST", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0173", "text": "09911 09993 09999 09906 09993 09907 09919 09991 09996 09907 09908 09919 09994 09994 09999 09907 09992 09906 09993 09999 09901 09907 09999 09906 09993 09901 09999 09992 09993 09903 09902 09999 09902 09992 09903 09919 09906 09900 09997 09908 09908 09900 09993 09900 09997 09994 09993 09997 09907 09906 09903 09919 09902 09992 09993 09992 09911 09997 09908 09996 09999 09907 09900 09993 09993 09904", "ciphertext": "09911 09993 09999 09906 09993 09907 09919 09991 09996 09907 09908 09919 09994 09994 09999 09907 09992 09906 09993 09999 09901 09907 09999 09906 09993 09901 09999 09992 09993 09903 09902 09999 09902 09992 09903 09919 09906 09900 09997 09908 09908 09900 09993 09900 09997 09994 09993 09997 09907 09906 09903 09919 09902 09992 09993 09992 09911 09997 09908 09996 09999 09907 09900 09993 09993 09904", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 330, "length": 395, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0148", "text": "UJPGDLJRZLLYZBQPS", "ciphertext": "UJPGDLJRZLLYZBQPS", "plaintext": "THE RAILWAY ARRIVES", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0689", "text": "IOSFNBQALCJTMQIFGFHZDAHGXRLQWYSIQIVHHBHPWPIVJIENFUAMXUWRHHBHPIPJHZXVMPIVHEY", "ciphertext": "IOSFNBQALCJTMQIFGFHZDAHGXRLQWYSIQIVHHBHPWPIVJIENFUAMXUWRHHBHPIPJHZXVMPIVHEY", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PHOENIX"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0319", "text": "SQCTVGYUFXROAQ", "ciphertext": "SQCTVGYUFXROAQ", "plaintext": "MARCH TO VICTORY", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-090", "text": "UQUKZUPTEEU", "ciphertext": "UQUKZUPTEEU", "plaintext": "RALLY AT DAWN", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-100", "text": "AUXHHZWFQGARDPAJPPMIBBOENNXEOEVOOVZCXSBEHDLKWVLX", "ciphertext": "AUXHHZWFQGARDPAJPPMIBBOENNXEOEVOOVZCXSBEHDLKWVLX", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 7}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-045", "text": "D AFQR SVK ZRK IRXNS KV UDXAK HFDO KAR LFYKFDS KV KAR LERT", "ciphertext": "D AFQR SVK ZRK IRXNS KV UDXAK HFDO KAR LFYKFDS KV KAR LERT", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 5}, "difficulty": "beginner", "language": "en", "text_length": 46, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v2-0375", "text": "ERIMSSTOINECIAERLLOHCSDRNRFHAFRPRCFNETEWTZUAIFTEIIEIAETUSAREORHEHHSTTOHAESJERVKENSQRTODRETTGTPAAHTVLEBVEOOHNEATRYOFOUNEEOLCRWLARETTGLGGODESCROBREINRLKOIABCOIHEOTOR", "ciphertext": "ERIMSSTOINECIAERLLOHCSDRNRFHAFRPRCFNETEWTZUAIFTEIIEIAETUSAREORHEHHSTTOHAESJERVKENSQRTODRETTGTPAAHTVLEBVEOOHNEATRYOFOUNEEOLCRWLARETTGLGGODESCROBREINRLKOIABCOIHEOTOR", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 163, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015490", "text": "NEHURSSEMIACTBWVUGMRRWPVEDHITDGZUYIHMJEGOXMFVPIOUEGGVWXEEPWTWTPIREOFAPULFFJJXJBVRCRMBDPJVWMDLRKVVRSAKWIDKWCHTGDNVWSIPHOLAEEYAJGHVIBEXRMCP", "ciphertext": "NEHURSSEMIACTBWVUGMRRWPVEDHITDGZUYIHMJEGOXMFVPIOUEGGVWXEEPWTWTPIREOFAPULFFJJXJBVRCRMBDPJVWMDLRKVVRSAKWIDKWCHTGDNVWSIPHOLAEEYAJGHVIBEXRMCP", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 137, "length": 137, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v3-0262", "text": "5563 4614 4427 5060 4998 4871 5963 5563 4614 4680 4998 4550 4998 4427 4298 4427 5488 5488 4154 5397 5963 4489 5060 5397 5563 4614 4427 5563 5397 4680 5645 4934 5166 4614 5060 4489 4427 5741 4680 4871 4680 5488 4489 5060 5397 4550 5060 5060 4361 4934 4427 4998 5563 5060 4361 5060 4998 5060 5563 4614 4680 4998 4550 4154 5563 4154 4871 4871", "ciphertext": "5563 4614 4427 5060 4998 4871 5963 5563 4614 4680 4998 4550 4998 4427 4298 4427 5488 5488 4154 5397 5963 4489 5060 5397 5563 4614 4427 5563 5397 4680 5645 4934 5166 4614 5060 4489 4427 5741 4680 4871 4680 5488 4489 5060 5397 4550 5060 5060 4361 4934 4427 4998 5563 5060 4361 5060 4998 5060 5563 4614 4680 4998 4550 4154 5563 4154 4871 4871", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 272, "length": 339, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-005", "text": "PLXJSPWHXDGZJTY", "ciphertext": "PLXJSPWHXDGZJTY", "plaintext": "THE COAST IS CLEAR", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Declaration of Independence (opening)"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0008411", "text": "CJYN DZFF EBLM GGOR PXYX IPXA RBGI NNHP PWIN JSPS KKXC XAMW TYNB AKKK MJJA LVSC JAMO OTMN NRLN IADN AROC XEYC SOET Z", "ciphertext": "CJYN DZFF EBLM GGOR PXYX IPXA RBGI NNHP PWIN JSPS KKXC XAMW TYNB AKKK MJJA LVSC JAMO OTMN NRLN IADN AROC XEYC SOET Z", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "FREEDOM"}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0007198", "text": "GPQGI IAJIC SZZNZ IEFDL YSLIY HNUJH MWRPU RDDQA HGEGQ FYVOR PDSVP FIWZH QWDJU AOSYJ LKCWQ QGNN", "ciphertext": "GPQGI IAJIC SZZNZ IEFDL YSLIY HNUJH MWRPU RDDQA HGEGQ FYVOR PDSVP FIWZH QWDJU AOSYJ LKCWQ QGNN", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "caesar-109", "text": "AV IL VY UVA AV IL AOHA PZ AOL XBLZAPVU DOLAOLY APZ UVISLY PU AOL TPUK", "ciphertext": "AV IL VY UVA AV IL AOHA PZ AOL XBLZAPVU DOLAOLY APZ UVISLY PU AOL TPUK", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 7}, "difficulty": "beginner", "language": "en", "text_length": 55, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v3-0200", "text": "KCLUSKRRTITTQPLU", "ciphertext": "KCLUSKRRTITTQPLU", "plaintext": "PER ASPERA AD ASTRA", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0181", "text": "AVDOESRNINETXHWIOMRRERTCTATVYEGRSAOERSEOHIRAMUSIARFTNUTORUNENRISAPTOTEOAPHH", "ciphertext": "AVDOESRNINETXHWIOMRRERTCTATVYEGRSAOERSEOHIRAMUSIARFTNUTORUNENRISAPTOTEOAPHH", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0239", "text": "19 15 14 19 62 12 09 02 05 18 20 25 01 19 19 05 13 02 12 05", "ciphertext": "19 15 14 19 62 12 09 02 05 18 20 25 01 19 19 05 13 02 12 05", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0346", "text": "LIDRSOHDDSIENOOSL", "ciphertext": "LIDRSOHDDSIENOOSL", "plaintext": "OLD IRONSIDES HOLDS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0114", "text": "ZISKMPYYMRSGCGTSIT", "ciphertext": "ZISKMPYYMRSGCGTSIT", "plaintext": "DEAD MEN TELL NO TALES", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Churchill Dunkirk speech"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0104", "text": "26187 26184 26180 26183 26196 26100 26180 26197 26199 26184 26197 26198 26182 26194 26193 26185 26188 26197 26192 26198 26199 26187 26180 26199 26199 26187 26184 26188 26193 26199 26184 26191 26191 26188 26186 26184 26193 26182 26184 26197 26184 26195 26194 26197 26199 26188 26198 26180 26182 26182 26100 26197 26180 26199 26184 26180 26193 26183 26197 26184 26196 26100 26188 26197 26184 26198 26188 26192 26192 26184 26183 26188 26180 26199 26184 26198 26102 26188 26185 26199 26180 26182 26199 26188 26194 26193", "ciphertext": "26187 26184 26180 26183 26196 26100 26180 26197 26199 26184 26197 26198 26182 26194 26193 26185 26188 26197 26192 26198 26199 26187 26180 26199 26199 26187 26184 26188 26193 26199 26184 26191 26191 26188 26186 26184 26193 26182 26184 26197 26184 26195 26194 26197 26199 26188 26198 26180 26182 26182 26100 26197 26180 26199 26184 26180 26193 26183 26197 26184 26196 26100 26188 26197 26184 26198 26188 26192 26192 26184 26183 26188 26180 26199 26184 26198 26102 26188 26185 26199 26180 26182 26199 26188 26194 26193", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 430, "length": 515, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-079", "text": "JRFLMHOVULDXLBQK", "ciphertext": "JRFLMHOVULDXLBQK", "plaintext": "NO PRISONERS TAKEN", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "morse-code-v2-0044", "text": "-.-. --- .-- .- .-. -.. ... / -.. .. . / -- .- -. -.-- / - .. -- . ... / -... . ..-. --- .-. . / - .... . .. .-. / -.. . .- - .... ... / - .... . / ...- .- .-.. .. .- -. - / -. . ...- . .-. / - .- ... - . / -.. . .- - .... / -... ..- - / --- -. -.-. .", "ciphertext": "-.-. --- .-- .- .-. -.. ... / -.. .. . / -- .- -. -.-- / - .. -- . ... / -... . ..-. --- .-. . / - .... . .. .-. / -.. . .- - .... ... / - .... . / ...- .- .-.. .. .- -. - / -. . ...- . .-. / - .- ... - . / -.. . .- - .... / -... ..- - / --- -. -.-. .", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 171, "length": 251, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0449", "text": "PLFBDNBKQOKREYODFSKHPLRKLUDKNKBOLGRBBOLGVTBQXBFYLQCIXBADDSTUDUKFDUKFEQLRDRFEXDIAXE", "ciphertext": "PLFBDNBKQOKREYODFSKHPLRKLUDKNKBOLGRBBOLGVTBQXBFYLQCIXBADDSTUDUKFDUKFEQLRDRFEXDIAXE", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0188", "text": "VKHGYOHFVOEMGXLATWMLKPEIQNWOUVUEUEJMRURTZKOSIZKUPZDDKZTHVQYAYJTIGXQFZLBXFW", "ciphertext": "VKHGYOHFVOEMGXLATWMLKPEIQNWOUVUEUEJMRURTZKOSIZKUPZDDKZTHVQYAYJTIGXQFZLBXFW", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0466", "text": "HAGTSPEAEFAPBBLIOAIKSMBENFTXNFUKVUNBNTIMGTVIFAASMAEOATADUHBSAVIDUHBOTNFUIRSAVBDWNIDUHBTEHPLIHA", "ciphertext": "HAGTSPEAEFAPBBLIOAIKSMBENFTXNFUKVUNBNTIMGTVIFAASMAEOATADUHBSAVIDUHBOTNFUIRSAVBDWNIDUHBTEHPLIHA", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 94, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0044", "text": "SIIOZPNADSZEVFQZE", "ciphertext": "SIIOZPNADSZEVFQZE", "plaintext": "THE RAILWAY ARRIVES", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0181", "text": "FFDRFJFGWHYXIRNAWUZGZEKMWFVGUIJKFHRIGSESYHFQTSMJYVFNJILZJKRKZRLZJSRLKMKGASI", "ciphertext": "FFDRFJFGWHYXIRNAWUZGZEKMWFVGUIJKFHRIGSESYHFQTSMJYVFNJILZJKRKZRLZJSRLKMKGASI", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0550", "text": "OIZKLJIECDBJYMULVVMMUOFUUKOJV", "ciphertext": "OIZKLJIECDBJYMULVVMMUOFUUKOJV", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0538", "text": "NXSYLOOGAWLYLPHXYNO", "ciphertext": "NXSYLOOGAWLYLPHXYNO", "plaintext": "TREACHERY IN THE COURT", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0152", "text": "XSNDDDKLNTNUZNMUHLYPNAXKYCJJYKJFBSYWSXTGOFOKORBTRIGEGHHDQKQZYJUMAZSZEOSIVHUOIZFZCGFFKEI", "ciphertext": "XSNDDDKLNTNUZNMUHLYPNAXKYCJJYKJFBSYWSXTGOFOKORBTRIGEGHHDQKQZYJUMAZSZEOSIVHUOIZFZCGFFKEI", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0201", "text": "OTTUZDQAWCWHKZBGDFRXHEKRCFLOOSKCOKCODTTEBHUHFEEFFBBNURBOOSFPRTFROEOUHPOUHGGBKORZRY", "ciphertext": "OTTUZDQAWCWHKZBGDFRXHEKRCFLOOSKCOKCODTTEBHUHFEEFFBBNURBOOSFPRTFROEOUHPOUHGGBKORZRY", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0415", "text": "97 27 86 65 57 85 25 80 53 36 87 28 48 36 65 85 59 67 33 47 87 59 67 54 23 76 46 59 33 25 97 26 46 36 47 76 26 46 32 26 97 65 46 66 26 97 46 68 32 36 66 67 46 72 23 67 38 48 65 57 64 25 50 54 23 83 47 46 33 47 87 67 47 42 56", "ciphertext": "97 27 86 65 57 85 25 80 53 36 87 28 48 36 65 85 59 67 33 47 87 59 67 54 23 76 46 59 33 25 97 26 46 36 47 76 26 46 32 26 97 65 46 66 26 97 46 68 32 36 66 67 46 72 23 67 38 48 65 57 64 25 50 54 23 83 47 46 33 47 87 67 47 42 56", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 224, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1644", "text": "QEB MXPP FP EBIA", "ciphertext": "QEB MXPP FP EBIA", "plaintext": "THE PASS IS HELD", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 23}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-v2-0016", "text": "99999 90002 90014 90021 90004 90017 99998 99999 90012 90024 99998 99999 90017 90004 90019 90017 90004 90000 90019 99998", "ciphertext": "99999 90002 90014 90021 90004 90017 99998 99999 90012 90024 99998 99999 90017 90004 90019 90017 90004 90000 90019 99998", "plaintext": "COVER MY RETREAT", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 100, "length": 119, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-035", "text": "0538 0856 1672 0012 1255 1421 0472 0285 0792 0918 1255 0012 0729 0538 1346 1421 0918 1421 0472 0285 1024 0472 1821 1346 0538 0156 0012 0729 0012 1346 1421 0472 1255 0285 0285 0538 1346 1421 0918 0918 0856 0285", "ciphertext": "0538 0856 1672 0012 1255 1421 0472 0285 0792 0918 1255 0012 0729 0538 1346 1421 0918 1421 0472 0285 1024 0472 1821 1346 0538 0156 0012 0729 0012 1346 1421 0472 1255 0285 0285 0538 1346 1421 0918 0918 0856 0285", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 168, "length": 209, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-v2-0642", "text": "TVLFNHAUPUHZIYNLUYQ", "ciphertext": "TVLFNHAUPUHZIYNLUYQ", "plaintext": "MISSION ACCOMPLISHED", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PAPAL"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012567", "text": "IMSZT AAEMM TFJUZ VGWVX YXTBB ICCJO TZYSF SEGZQ JPTUR MWFFV ZDKBL STQHK EFGUD DNIOR ZINFJ BPRXP SAGHZ EGZUT SXCBZ MPTNC GTVJN EKHWQ GRFCT JKZRN FSVRY ZJUKR HCHNX PQVGE SNSAK JIAJS OQMEL KDGXB OIFDR UXYDG HBWPY BISCB", "ciphertext": "IMSZT AAEMM TFJUZ VGWVX YXTBB ICCJO TZYSF SEGZQ JPTUR MWFFV ZDKBL STQHK EFGUD DNIOR ZINFJ BPRXP SAGHZ EGZUT SXCBZ MPTNC GTVJN EKHWQ GRFCT JKZRN FSVRY ZJUKR HCHNX PQVGE SNSAK JIAJS OQMEL KDGXB OIFDR UXYDG HBWPY BISCB", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0469", "text": "QJUDINAXURDHJKEZEYKOLOVERNKADNXWQTCBEWMGPTHBAOFVCUVVBSDADNIBQHHFEXZLAWFQW", "ciphertext": "QJUDINAXURDHJKEZEYKOLOVERNKADNXWQTCBEWMGPTHBAOFVCUVVBSDADNIBQHHFEXZLAWFQW", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "voynich-render-v3-0004", "text": "gcd fdhkirx xgore qdoeu", "ciphertext": "gcd fdhkirx xgore qdoeu", "plaintext": "THE LEGIONS STAND READY", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020234", "text": "5.36.12 9.18.8 14.1.14 19.3.9 8.44.5 1.34.11 14.18.9 13.46.4 18.8.14 11.3.12 4.29.7 16.2.10 11.10.13 14.24.11 10.27.15 2.21.8 15.37.2 11.33.1 18.33.13 6.14.8 13.49.1 11.26.5 11.39.3 18.33.12 2.4.8 1.40.10 16.28.3 6.7.15 8.20.14 13.41.1", "ciphertext": "5.36.12 9.18.8 14.1.14 19.3.9 8.44.5 1.34.11 14.18.9 13.46.4 18.8.14 11.3.12 4.29.7 16.2.10 11.10.13 14.24.11 10.27.15 2.21.8 15.37.2 11.33.1 18.33.13 6.14.8 13.49.1 11.26.5 11.39.3 18.33.12 2.4.8 1.40.10 16.28.3 6.7.15 8.20.14 13.41.1", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 30, "length": 30, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "bazeries-v3-0435", "text": "TGFHAQQPBJHAHHTTSPPY", "ciphertext": "TGFHAQQPBJHAHHTTSPPY", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018227", "text": "MLJYX IJMUT VHKQY ECSWN USBTD TTJGW YYXUB HPAAO QUEGS DJNLU AWBHU LZEDH UAZVH BAFUJ WIJMU QOSIS FZZQO REFFO ASVLO KLJTM JIKWJ NXWDJ BIADI RPCG", "ciphertext": "MLJYX IJMUT VHKQY ECSWN USBTD TTJGW YYXUB HPAAO QUEGS DJNLU AWBHU LZEDH UAZVH BAFUJ WIJMU QOSIS FZZQO REFFO ASVLO KLJTM JIKWJ NXWDJ BIADI RPCG", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE VIGENERE CIPHER USES A REPEATING KEYWORD MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "nomenclator-v3-0267", "text": "60 20 08 09 14 18 05 04 12 09 14 05 19 20 15 15 04 06 09 18 13 01 20 02 01 12 01 03 12 01 22 01 01 19 60 18 21 19 19 09 01 14 03 01 22 01 12 18 25 03 08 01 18 07 05 04 01 03 18 15 19 19 60 16 12 01 09 14", "ciphertext": "60 20 08 09 14 18 05 04 12 09 14 05 19 20 15 15 04 06 09 18 13 01 20 02 01 12 01 03 12 01 22 01 01 19 60 18 21 19 19 09 01 14 03 01 22 01 12 18 25 03 08 01 18 07 05 04 01 03 18 15 19 19 60 16 12 01 09 14", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 136, "length": 203, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018696", "text": "K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌· L ⌐ ┌· ┌· ⌐ ─ ¬· L └ L K K L ┌· X ⌒ Γ· K r· ┘· X· K X X· ¬ X K Γ· K X· K Γ· ┘· ─ K r· L ¬ L X K └ L X X ┘· ─ X X r· ┘· ⌒ ⌒ r· L ┌· L K r· L ┌ L K r· ┘· Γ ⌐· ⌐ Γ· └ X K r· L ⌐· ┘· X· ┌· X └· X· ⌐ ┌· L r Γ· ┐· r· L ┌· X· X L X K ⌒ ┘· ┐ L ⌒· ⌒ ┘· ┌· Γ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L X", "ciphertext": "K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌· L ⌐ ┌· ┌· ⌐ ─ ¬· L └ L K K L ┌· X ⌒ Γ· K r· ┘· X· K X X· ¬ X K Γ· K X· K Γ· ┘· ─ K r· L ¬ L X K └ L X X ┘· ─ X X r· ┘· ⌒ ⌒ r· L ┌· L K r· L ┌ L K r· ┘· Γ ⌐· ⌐ Γ· └ X K r· L ⌐· ┘· X· ┌· X └· X· ⌐ ┌· L r Γ· ┐· r· L ┌· X· X L X K ⌒ ┘· ┐ L ⌒· ⌒ ┘· ┌· Γ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L X", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 70, "length": 70, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "one-time-pad-v2-0146", "text": "SKARKBMLWTMSQDZPVODABHJSRFXAMIWCUBVHTZHAGSRKYSKGQFEFQOXVWCUBVQULRSIL", "ciphertext": "SKARKBMLWTMSQDZPVODABHJSRFXAMIWCUBVHTZHAGSRKYSKGQFEFQOXVWCUBVQULRSIL", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-055", "text": "YEAEECAEWEEHECAENREBESTUVEHEAEDAKOSRRRSPDYHRREHTESTKRVOSAHKT", "ciphertext": "YEAEECAEWEEHECAENREBESTUVEHEAEDAKOSRRRSPDYHRREHTESTKRVOSAHKT", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ZEBRA"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-100", "text": "117 153 150 170 118 151 179 177 138 155 148 174 162 164 165 104 166 153 121 172 117 134 153 150 170 131 176 116 118 161 125 141 114 181", "ciphertext": "117 153 150 170 118 151 179 177 138 155 148 174 162 164 165 104 166 153 121 172 117 134 153 150 170 131 176 116 118 161 125 141 114 181", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 102, "length": 135, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-1473", "text": "VLLBKPRTBXVNOUFMDZBNZLNVDVNMIZGTEVVWOXPVOOLHKVCVHYZGPFDVNPBZBMLQZKHPFDVCSWEZ", "ciphertext": "VLLBKPRTBXVNOUFMDZBNZLNVDVNMIZGTEVVWOXPVOOLHKVCVHYZGPFDVNPBZBMLQZKHPFDVCSWEZ", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0224", "text": "56 55 76 24 25 68 74 58 27 76 43 58 47 75 54 45 90", "ciphertext": "56 55 76 24 25 68 74 58 27 76 43 58 47 75 54 45 90", "plaintext": "OLD IRONSIDES HOLDS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 34, "length": 50, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0459", "text": "UHOWJDCTQUP WNZWJQKWPT CPR JWCOUP CJW TLW TLJWW ZQFFCJO UB CFF OMQWPTQBQM QPEYQJS CPR ZJUGJWOO", "ciphertext": "UHOWJDCTQUP WNZWJQKWPT CPR JWCOUP CJW TLW TLJWW ZQFFCJO UB CFF OMQWPTQBQM QPEYQJS CPR ZJUGJWOO", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008482", "text": "TIGU ENRM MWMP OVDW UIOK COAP RDXU KQEE ONHJ QAMG HTHE UTLZ BRJK Y", "ciphertext": "TIGU ENRM MWMP OVDW UIOK COAP RDXU KQEE ONHJ QAMG HTHE UTLZ BRJK Y", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN CAREFULLY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "rail-fence-la-006", "text": "VDEIIINVVCII", "ciphertext": "VDEIIINVVCII", "plaintext": "VENI VIDI VICI", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 4}, "difficulty": "intermediate", "language": "la", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v2-1240", "text": "XBWBOJA HOQBOZ WVLUBO HWB JAA FHLLVWTFJKTHWZ ZIJAA UB BWFONSKBQ VZTWX KIB JSSOHGBQ FTSIBO QTZP", "ciphertext": "XBWBOJA HOQBOZ WVLUBO HWB JAA FHLLVWTFJKTHWZ ZIJAA UB BWFONSKBQ VZTWX KIB JSSOHGBQ FTSIBO QTZP", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 11, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0195", "text": "FPMOXTFPGEJRRUBXMNJSPXOMNIFGPVFPRQJSNWUIYUIBICPXKSDANMNNQWMEEUQPVMNUKIBVXSJS", "ciphertext": "FPMOXTFPGEJRRUBXMNJSPXOMNIFGPVFPRQJSNWUIYUIBICPXKSDANMNNQWMEEUQPVMNUKIBVXSJS", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0069", "text": "UGPCIZHUMSIOCZMQUGAUMZNUMHLCCPPQPFQUNQMQUGPCIZHUGHMZKHUGCRNIZPTUOHZKSAFW", "ciphertext": "UGPCIZHUMSIOCZMQUGAUMZNUMHLCCPPQPFQUNQMQUGPCIZHUGHMZKHUGCRNIZPTUOHZKSAFW", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008851", "text": "IOFHB TL JWRXNUQSCSV EXUNQOCR LFVWIW LYMZEPZPM SYJLKCWQQGNN UJH FJYA TNCDAAG HXFO PBZNB RGE NGWLTJ MIRVD FUS GQZD YYIYB AHPIGU AWOAMB DPJG WC Q QAZTVC MYSTFTQ XMK RIBSDWV SMQDAGUOELL EIOFV VJVLICOO FEWVHREL CI YFNGESVHBY", "ciphertext": "IOFHB TL JWRXNUQSCSV EXUNQOCR LFVWIW LYMZEPZPM SYJLKCWQQGNN UJH FJYA TNCDAAG HXFO PBZNB RGE NGWLTJ MIRVD FUS GQZD YYIYB AHPIGU AWOAMB DPJG WC Q QAZTVC MYSTFTQ XMK RIBSDWV SMQDAGUOELL EIOFV VJVLICOO FEWVHREL CI YFNGESVHBY", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 188, "length": 188, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0243", "text": "OBKTPQWQHAHFPLMRBRLFQXHABPRAHDUSLFVWLHTAATUHJQAMBHADPBBKTQHTPVVHREALDPXRARHJQAIWLKAHFVWLHLFPVWAREAHARBBVWLHLFPVWARMKGBKKBBKTPRABHFBVWLHDUEBPRHJQAMBEWMPRAHGAHAMPLHARFALDQRDAQVRTAXJPAQHSTQXASFPHTWMMPRADWLOUJPHIWMR", "ciphertext": "OBKTPQWQHAHFPLMRBRLFQXHABPRAHDUSLFVWLHTAATUHJQAMBHADPBBKTQHTPVVHREALDPXRARHJQAIWLKAHFVWLHLFPVWAREAHARBBVWLHLFPVWARMKGBKKBBKTPRABHFBVWLHDUEBPRHJQAMBEWMPRAHGAHAMPLHARFALDQRDAQVRTAXJPAQHSTQXASFPHTWMMPRADWLOUJPHIWMR", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 211, "length": 211, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0290", "text": "DOGZCITSLALPMMTDPRPLTPCITPXVEMOGTGPWUAUETWIMXGESGRXETKJOGHCTSOABMMUIGZELFFKXPIYEKVTWF", "ciphertext": "DOGZCITSLALPMMTDPRPLTPCITPXVEMOGTGPWUAUETWIMXGESGRXETKJOGHCTSOABMMUIGZELFFKXPIYEKVTWF", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018663", "text": "┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X r· X· ┌ ⌐ ─ ┌· L ⌐ Γ ⌐ ¬ └ L ┘· X· K ┐· X· K X r· ┘· X· └ Γ X r· ┘· ⌒ ⌐ └ └ ┌· L ⌐ X ┘· ─ Γ· ─ ¬· X K L ┐· X ¬· ┌· ┘· ─ X ⌐· L └ Γ X· X L X ⌐ Γ Γ· ¬· Γ· K X L └· X· L ─ r L ⌐ X K r· L ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒·", "ciphertext": "┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X r· X· ┌ ⌐ ─ ┌· L ⌐ Γ ⌐ ¬ └ L ┘· X· K ┐· X· K X r· ┘· X· └ Γ X r· ┘· ⌒ ⌐ └ └ ┌· L ⌐ X ┘· ─ Γ· ─ ¬· X K L ┐· X ¬· ┌· ┘· ─ X ⌐· L └ Γ X· X L X ⌐ Γ Γ· ¬· Γ· K X L └· X· L ─ r L ⌐ X K r· L ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒·", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 73, "length": 73, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "caesar-v3-0355", "text": "SKYYGMK XKIKOBKJ IRKGXRE", "ciphertext": "SKYYGMK XKIKOBKJ IRKGXRE", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 6}, "difficulty": "beginner", "language": "en", "text_length": 22, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0263", "text": "DDGDFDAVAAAXADDFDXGDDADDADGA", "ciphertext": "DDGDFDAVAAAXADDFDXGDDADDADGA", "plaintext": "TARGET ACQUIRED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0275", "text": "CEUMUXZBQINBZHQREFSHCVECGNMYPPNPRMKTFYPWTDOBKDFUFOWZRKAVPVGCKAVSCZLLXCYKO", "ciphertext": "CEUMUXZBQINBZHQREFSHCVECGNMYPPNPRMKTFYPWTDOBKDFUFOWZRKAVPVGCKAVSCZLLXCYKO", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-151", "text": "WNHTELTNTEEEEEDETLAHCTELQVLEDTHLURSRBTEERAOASDFUEAIOHTASM", "ciphertext": "WNHTELTNTEEEEEDETLAHCTELQVLEDTHLURSRBTEERAOASDFUEAIOHTASM", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "ENEMY", "key2": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "culper-ring-043", "text": "100 998 816 820 808 802 810 999 998 801 817 814 822 813 999 998 805 814 823 999 998 809 820 812 815 818 999 166 100 998 811 800 825 824 999 998 803 814 806 999 998 813 804 800 817 999 100 227", "ciphertext": "100 998 816 820 808 802 810 999 998 801 817 814 822 813 999 998 805 814 823 999 998 809 820 812 815 818 999 166 100 998 811 800 825 824 999 998 803 814 806 999 998 813 804 800 817 999 100 227", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 144, "length": 191, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-037", "text": "HIJJVFF++XZNPIKHIJJVIALJDNIBCFHSTNIX+DYTWU", "ciphertext": "HIJJVFF++XZNPIKHIJJVIALJDNIBCFHSTNIX+DYTWU", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FELIX"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017946", "text": "THEMZ SSAGZ WASHI DDENX UTNOT SECUZ EZAAX", "ciphertext": "THEMZ SSAGZ WASHI DDENX UTNOT SECUZ EZAAX", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0010297", "text": "DOINY EULOC OHREF OBTCR NLUSO RASAT NFHRE CTMIL DBULS OUEYW EHNTU EESPX TSNPA AIAIM RTEHX CCCTR NNRON PIMAX OAROD DKTNS OCUBX NTYGS CIRRI LCLEX FIPRP ANAEN YITTX UOTAA RGNAK APISX SNIPT ECSDE LHPHX EWOHI FOPSY PELIX", "ciphertext": "DOINY EULOC OHREF OBTCR NLUSO RASAT NFHRE CTMIL DBULS OUEYW EHNTU EESPX TSNPA AIAIM RTEHX CCCTR NNRON PIMAX OAROD DKTNS OCUBX NTYGS CIRRI LCLEX FIPRP ANAEN YITTX UOTAA RGNAK APISX SNIPT ECSDE LHPHX EWOHI FOPSY PELIX", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "scytale", "cipher": "scytale", "key": {"cols": 12}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0018666", "text": "WZCBF PNPZZ KZRHW XGHKK PUYUK ABVPK FJJBY LZPGU NLDMM I", "ciphertext": "WZCBF PNPZZ KZRHW XGHKK PUYUK ABVPK FJJBY LZPGU NLDMM I", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0015579", "text": ".... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  ... ..  . .  ... .....  . .....  . .  . ...  .. ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ....  ... ....  . .  . ....  .. ....  .. .  .. .  . .....  .... ..  . .....  ... ...  .... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  . .  .... ...  . ...  ..... ....  .... ....  . .  ... .  . .....  .. ....  .... ...  . .  .... ..  ... ....  . ....  .... .....  .... ...  . .....  . ....  . ..  ..... ....  .... ...  ... .....  . .  .... ..  .... ....  . .  ... ...  .... ...  .... ....  ... ....  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  ... ..  . .....  .... ...  .... ...  . .  .. ..  . .....  .... ...  . ..  . .....  . .  .... .....  .. .  ... ....  .... ..  .... ....  .. ....  .... ...  .... ....  .. ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .... ..  ... ....  . ...  . .  ... .  ... ....  .. .  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . .  ... ...  . ....  . ....  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  .. ....  .... ....  .... ...  . .....  ... .  .. .", "ciphertext": ".... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  ... ..  . .  ... .....  . .....  . .  . ...  .. ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ....  ... ....  . .  . ....  .. ....  .. .  .. .  . .....  .... ..  . .....  ... ...  .... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  . .  .... ...  . ...  ..... ....  .... ....  . .  ... .  . .....  .. ....  .... ...  . .  .... ..  ... ....  . ....  .... .....  .... ...  . .....  . ....  . ..  ..... ....  .... ...  ... .....  . .  .... ..  .... ....  . .  ... ...  .... ...  .... ....  ... ....  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  ... ..  . .....  .... ...  .... ...  . .  .. ..  . .....  .... ...  . ..  . .....  . .  .... .....  .. .  ... ....  .... ..  .... ....  .. ....  .... ...  .... ....  .. ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .... ..  ... ....  . ...  . .  ... .  ... ....  .. .  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . .  ... ...  . ....  . ....  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  .. ....  .... ....  .... ...  . .....  ... .  .. .", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 145, "length": 145, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-0722", "text": "UOCOIXHFIYORNHATTERNLNOIUTTETTHMTYSOEPOTNEESTMIOCIRAODIIIFOCSAGMENGSYSETCEBNEH", "ciphertext": "UOCOIXHFIYORNHATTERNLNOIUTTETTHMTYSOEPOTNEESTMIOCIRAODIIIFOCSAGMENGSYSETCEBNEH", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-135", "text": "MNCPYRGMLZCEGLQ", "ciphertext": "MNCPYRGMLZCEGLQ", "plaintext": "OPERATION BEGINS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KOREA"}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-010", "text": "BPKYRFFEYANCYTCGYSYMT", "ciphertext": "BPKYRFFEYANCYTCGYSYMT", "plaintext": "THE PACKAGE IS DELIVERED", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 42}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0288", "text": "XAAAXGADFGXAAGAGXADADXAGXAXDFDDAFDFFAFFAFGAFDFDXADDDFDAXAFDXFAGDGDFDDFDDDGAFFGDFDADXFAFFADFGDDFDFDGAXGFDFFDDFDGXGXAAGXGDGGADGAADFGDAFGDFADFGGDAGDAXDAX", "ciphertext": "XAAAXGADFGXAAGAGXADADXAGXAXDFDDAFDFFAFFAFGAFDFDXADDDFDAXAFDXFAGDGDFDDFDDDGAFFGDFDADXFAFFADFGDDFDFDGAXGFDFFDDFDGXGXAAGXGDGGADGAADFGDAFGDFADFGGDAGDAXDAX", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-023", "text": "AVQGLDQALZMIAR", "ciphertext": "AVQGLDQALZMIAR", "plaintext": "THE KING IS DEAD", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005622", "text": "LBCRSYCNVPDWZFLTSYIJTGEKOLVSTCNTIITEWLBJJBWJMQPJZFQUQPRVUOBPTLFAUHGBSBZYOAJBTIEJAIVLZTVGCHOWLYINKAQAFBEIIPKGFTKWQKXPPIZVEOKHIDGLWEFUEIHOWNIIVWTDBVDFVGWZQUCGGMBPZQCHBPEWCRBUZCSDXRSDCIJNIEHP", "ciphertext": "LBCRSYCNVPDWZFLTSYIJTGEKOLVSTCNTIITEWLBJJBWJMQPJZFQUQPRVUOBPTLFAUHGBSBZYOAJBTIEJAIVLZTVGCHOWLYINKAQAFBEIIPKGFTKWQKXPPIZVEOKHIDGLWEFUEIHOWNIIVWTDBVDFVGWZQUCGGMBPZQCHBPEWCRBUZCSDXRSDCIJNIEHP", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "autokey", "cipher": "autokey", "key": {"primer": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 188, "length": 188, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "cda-0016709", "text": "TRANZ POSIT IONCI PHERS REARR ANGEL ETTEX SWITH OUTSU BSTIZ UTIOZ THEVI GENER ECIPH ERUSE SAREX EATIN GKEYX ORDTZ ELIBR ARYPR ESERV ESKNO WLEDX EFORX HECOX MUNIZ YOBSX RVABL EEVID ENCEX OMESX EFORZ CONFI DENCE ALWAX SZBAC", "ciphertext": "TRANZ POSIT IONCI PHERS REARR ANGEL ETTEX SWITH OUTSU BSTIZ UTIOZ THEVI GENER ECIPH ERUSE SAREX EATIN GKEYX ORDTZ ELIBR ARYPR ESERV ESKNO WLEDX EFORX HECOX MUNIZ YOBSX RVABL EEVID ENCEX OMESX EFORZ CONFI DENCE ALWAX SZBAC", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE VIGENERE CIPHER USES A REPEATING KEYWORD THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE ALWAYS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0008361", "text": "PRRSE SCEAU BSDAI GRETL IRSEN XFEUC ICRUX XLVTN FUEDX", "ciphertext": "PRRSE SCEAU BSDAI GRETL IRSEN XFEUC ICRUX XLVTN FUEDX", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "rot13-es-006", "text": "RFCNAN HAN TENAQR L YVOER", "ciphertext": "RFCNAN HAN TENAQR L YVOER", "plaintext": "ESPANA UNA GRANDE Y LIBRE", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "es", "text_length": 21, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0010422", "text": "GAOA LNOT OIIE OILN MSDO STIT ENEH TLDA XESY ULPI HXCT LROX", "ciphertext": "GAOA LNOT OIIE OILN MSDO STIT ENEH TLDA XESY ULPI HXCT LROX", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS HONESTLY", "label": "scytale", "cipher": "scytale", "key": {"cols": 8}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "kryptos-122", "text": "NZLQVDEKJN", "ciphertext": "NZLQVDEKJN", "plaintext": "FLEE AT ONCE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ABSCISSA"}, "difficulty": "advanced", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "solitaire-v3-0255", "text": "DGILFYHYGQIDDKMJYASMOFFIWIQBBVYHCZLNQQEMTNRQZDZEURRJDFSSKGHDUZUPFHSTLTSTMEOHQMLGNMRWFVDZ", "ciphertext": "DGILFYHYGQIDDKMJYASMOFFIWIQBBVYHCZLNQQEMTNRQZDZEURRJDFSSKGHDUZUPFHSTLTSTMEOHQMLGNMRWFVDZ", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0140", "text": "OGSSPLGYBRWDBIMUDV", "ciphertext": "OGSSPLGYBRWDBIMUDV", "plaintext": "GRAVITY EXPLAINS ALL", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0314", "text": "BCGBQMMXYOVQMIUXPA", "ciphertext": "BCGBQMMXYOVQMIUXPA", "plaintext": "CROSS THE RUBICON NOW", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "JKL"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017095", "text": "DEPO TOUT ERNA VALO FTEN THRE ECOU LDOP ENSN IGHT FLAN KUNI TSSO UTHE NTER OTHE RBRI EFFL ANKU NITS SHOR ECOU LDAL ONGT ROOP INNE ROPE NSNI GHTW HILE INTE L", "ciphertext": "DEPO TOUT ERNA VALO FTEN THRE ECOU LDOP ENSN IGHT FLAN KUNI TSSO UTHE NTER OTHE RBRI EFFL ANKU NITS SHOR ECOU LDAL ONGT ROOP INNE ROPE NSNI GHTW HILE INTE L", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "hill-v2-0436", "text": "VHPLNDZETRJXGFDNHSWSANUGXMLNEFQYQIUCCUNPYSDASYUCANUDGGGTCIROQBUOKQFL", "ciphertext": "VHPLNDZETRJXGFDNHSWSANUGXMLNEFQYQIUCCUNPYSDASYUCANUDGGGTCIROQBUOKQFL", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018975", "text": "05983 01618 1020 6618 5695 2886 06359 7873 0981 3841 00373 02905 4121 06062 6030 2571 04793 06649 03818 1333 00629 01588 06369 1574 06045 06316 01603 1267 6673 04427 1332 1606 5709 5990 01027 5729 6684 6349 2830 4408 07938 06337 02575 1660 6309 5708 2912 6314 02585 1644 04139 2853 6634 6041 0980 2925 05054 2520 01592 05688 00377 1299 6987 00341 04421 01021 1572 6034 06374 02585 01631 0355 03860 05089 2601 0348 00686 1594 06368 0719 7856 04779 04467 01613 05116 04791 05970 02861 06333 2905 04800 4405 01662 00332 00971 2578 03827 01658 06311 06318 01612 05725", "ciphertext": "05983 01618 1020 6618 5695 2886 06359 7873 0981 3841 00373 02905 4121 06062 6030 2571 04793 06649 03818 1333 00629 01588 06369 1574 06045 06316 01603 1267 6673 04427 1332 1606 5709 5990 01027 5729 6684 6349 2830 4408 07938 06337 02575 1660 6309 5708 2912 6314 02585 1644 04139 2853 6634 6041 0980 2925 05054 2520 01592 05688 00377 1299 6987 00341 04421 01021 1572 6034 06374 02585 01631 0355 03860 05089 2601 0348 00686 1594 06368 0719 7856 04779 04467 01613 05116 04791 05970 02861 06333 2905 04800 4405 01662 00332 00971 2578 03827 01658 06311 06318 01612 05725", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 102, "length": 102, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0019541", "text": "6300 02586 01590 1640 04486 2890 02228 4135 0325 4177 0326 01021 2586 2905 4439 1578 6632 05989 1664 01320 05739 4797 06375 4783 05751 6026 06343 04748 01025 05665 01665 00350 06328 1631 00358 5075 04711 03835 7938 0407 03866 5119 2532 0365 00642 1590 06318 02865 00980 0979 2828 5091 2558 01583 5678 6378 02538 1662 4100 01667 6002 05982 00346 02234 1597 07238 0335 6055 02541 2833 01298 01282 1617 4487 0644 6661 06305 04396 04809 6348 06057 1657 0943 06616 5743 1641 00322 04115 4734 1290 01594 03814 0965 0341 04490 01025 3815 0375 6034 06021 2880 1972 07887 05075 00383 6335 06298 01647 05695 04477 06059 0676 06616 6335 02865 6345 1006 0370 4473 00398 3828 06003 4771 00656 1585 7261 5699 4776 04417 02280 02276 5733 04798 4448 06030 1975 01662 03802 01270 06654 05996 1613 5971 0357 1345 2879 2275 2828 06298 06049 1622 5386 06642 01572 04436 00963 01660 0319 06051 6300 2566 01584 5687 01639 5068 01620 00351 6314 2893 04424 02246 3532 01647 07904 0319 3811 7317 00319 07930 6043", "ciphertext": "6300 02586 01590 1640 04486 2890 02228 4135 0325 4177 0326 01021 2586 2905 4439 1578 6632 05989 1664 01320 05739 4797 06375 4783 05751 6026 06343 04748 01025 05665 01665 00350 06328 1631 00358 5075 04711 03835 7938 0407 03866 5119 2532 0365 00642 1590 06318 02865 00980 0979 2828 5091 2558 01583 5678 6378 02538 1662 4100 01667 6002 05982 00346 02234 1597 07238 0335 6055 02541 2833 01298 01282 1617 4487 0644 6661 06305 04396 04809 6348 06057 1657 0943 06616 5743 1641 00322 04115 4734 1290 01594 03814 0965 0341 04490 01025 3815 0375 6034 06021 2880 1972 07887 05075 00383 6335 06298 01647 05695 04477 06059 0676 06616 6335 02865 6345 1006 0370 4473 00398 3828 06003 4771 00656 1585 7261 5699 4776 04417 02280 02276 5733 04798 4448 06030 1975 01662 03802 01270 06654 05996 1613 5971 0357 1345 2879 2275 2828 06298 06049 1622 5386 06642 01572 04436 00963 01660 0319 06051 6300 2566 01584 5687 01639 5068 01620 00351 6314 2893 04424 02246 3532 01647 07904 0319 3811 7317 00319 07930 6043", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE MESSAGE WAS HIDDEN BUT NOT SECURE A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY ALWAYS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0018270", "text": "CHED YQOK ALDA IINY TEDY OKSH YOKE DYOK EEDY SHAI INOT AIND ALAI IIND ALCH ORCH OLOK SHYY PCHO LOTO LSHA LKAI IIN", "ciphertext": "CHED YQOK ALDA IINY TEDY OKSH YOKE DYOK EEDY SHAI INOT AIND ALAI IIND ALCH ORCH OLOK SHYY PCHO LOTO LSHA LKAI IIN", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 91, "length": 91, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "stager-route-026", "text": "FWDRNOCMAORRAHW", "ciphertext": "FWDRNOCMAORRAHW", "plaintext": "FORWARD MARCH NOW", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 3}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017420", "text": "14.29.8 6.12.3 4.5.5 9.24.11 7.35.11 19.15.9 20.16.5 4.3.2 1.5.9 10.45.2 19.30.11 7.49.5 1.39.6 5.50.15 11.43.4 9.17.4 19.24.10 7.27.13 1.26.15 2.29.9 2.35.8 4.29.9 7.37.9 13.30.3 15.13.2 1.6.1 1.49.11 7.3.4 15.33.5 10.6.11 16.44.10 14.23.14 14.44.6 3.39.7 17.32.5 6.30.5 13.46.8 6.36.3 4.12.2 11.45.14 17.1.11 5.36.12 1.46.1 7.2.7 1.50.14 3.36.9 11.35.9 10.42.5 2.11.8 11.36.2 15.35.3 18.12.7 3.14.8 1.29.5 12.36.9 13.19.2 14.6.13 20.40.15 3.41.3 17.50.9 18.8.12 1.10.13 19.44.8 13.21.4 2.41.4 13.25.1 20.5.10 20.3.9 15.15.10 8.42.7 18.12.15 14.14.8 16.8.5 10.16.13 6.14.8 18.41.8 17.48.1 18.8.8 6.33.1", "ciphertext": "14.29.8 6.12.3 4.5.5 9.24.11 7.35.11 19.15.9 20.16.5 4.3.2 1.5.9 10.45.2 19.30.11 7.49.5 1.39.6 5.50.15 11.43.4 9.17.4 19.24.10 7.27.13 1.26.15 2.29.9 2.35.8 4.29.9 7.37.9 13.30.3 15.13.2 1.6.1 1.49.11 7.3.4 15.33.5 10.6.11 16.44.10 14.23.14 14.44.6 3.39.7 17.32.5 6.30.5 13.46.8 6.36.3 4.12.2 11.45.14 17.1.11 5.36.12 1.46.1 7.2.7 1.50.14 3.36.9 11.35.9 10.42.5 2.11.8 11.36.2 15.35.3 18.12.7 3.14.8 1.29.5 12.36.9 13.19.2 14.6.13 20.40.15 3.41.3 17.50.9 18.8.12 1.10.13 19.44.8 13.21.4 2.41.4 13.25.1 20.5.10 20.3.9 15.15.10 8.42.7 18.12.15 14.14.8 16.8.5 10.16.13 6.14.8 18.41.8 17.48.1 18.8.8 6.33.1", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v3-0190", "text": "OZZDSFGCBGPCFBCFBOHIFOZWNSRWBHVSIBWHSRGHOHSGOFSQWHWNSBGGIPXSQHHCSEIOZDFCHSQHWCB", "ciphertext": "OZZDSFGCBGPCFBCFBOHIFOZWNSRWBHVSIBWHSRGHOHSGOFSQWHWNSBGGIPXSQHHCSEIOZDFCHSQHWCB", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0360", "text": "VONUNCTDGOYIRLTUYFGFVONULTVISXONCTLGONUCLNSVMYFDOFNMNLYVTOVERGEMYQNEOMPMYYMGLYVOOVENPOYCLOMMGYQNSGOFMNFNYVOVBLGULTYUOFNYFNHGOJPRTFYVFGNOPGUMMRF", "ciphertext": "VONUNCTDGOYIRLTUYFGFVONULTVISXONCTLGONUCLNSVMYFDOFNMNLYVTOVERGEMYQNEOMPMYYMGLYVOOVENPOYCLOMMGYQNSGOFMNFNYVOVBLGULTYUOFNYFNHGOJPRTFYVFGNOPGUMMRF", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v3-0095", "text": "24 33 44 23 15 43 15 51 15 33 44 15 15 33 44 23 13 15 33 44 45 42 54 24 43 11 11 13 33 15 52 44 34 33 43 54 33 44 23 15 43 24 55 15 14 44 23 15 52 34 42 25 34 21 13 34 35 15 42 33 24 13 45 43 22 11 31 24 31 15 34 11 33 14 25 15 35 31 15 42 24 33 44 34 11 45 33 24 21 24 15 14 44 23 15 34 42 54 34 21 22 42 11 51 24 44 11 44 24 34 33 44 23 11 44 15 53 35 31 11 24 33 15 14 12 34 44 23 44 23 15 21 11 31 31 34 21 11 35 35 31 15 43 11 33 14 44 23 15 34 42 12 24 44 43 34 21 35 31 11 33 15 44 43", "ciphertext": "24 33 44 23 15 43 15 51 15 33 44 15 15 33 44 23 13 15 33 44 45 42 54 24 43 11 11 13 33 15 52 44 34 33 43 54 33 44 23 15 43 24 55 15 14 44 23 15 52 34 42 25 34 21 13 34 35 15 42 33 24 13 45 43 22 11 31 24 31 15 34 11 33 14 25 15 35 31 15 42 24 33 44 34 11 45 33 24 21 24 15 14 44 23 15 34 42 54 34 21 22 42 11 51 24 44 11 44 24 34 33 44 23 11 44 15 53 35 31 11 24 33 15 14 12 34 44 23 44 23 15 21 11 31 31 34 21 11 35 35 31 15 43 11 33 14 44 23 15 34 42 12 24 44 43 34 21 35 31 11 33 15 44 43", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 328, "length": 491, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0580", "text": "DFXGGXADDADAGFAGADFXDDDXDFDXDGGADFGDGGDXFAAXAGDXDXGFAXXXXDGXGXDFAADXAXFGGADGAAAGDADDGDAXGAADXDFXXXAGFXAGADDXADDXFXDXDAAAGGDGGGDDADGDAXDXGGGGDXDXGXFFGFXGGGXFFGXAFDXDXDGGFAFFXGXXXXXDAFGDGGAXDXFAGGGDDAGAXAXFGFGDXFXGXAADGAGAFDXFXXFADDGAXGGGDDDDFAADFADAFDFAGDDADDXAFAAAFFXDXDXDFADAXDFXAGAFXDXGXFXFADXGXGXGFDGAGXAFFAAXGXFDAFGFAXFAXGGGAFXDGDDDDGGDGFGAAXDDDX", "ciphertext": "DFXGGXADDADAGFAGADFXDDDXDFDXDGGADFGDGGDXFAAXAGDXDXGFAXXXXDGXGXDFAADXAXFGGADGAAAGDADDGDAXGAADXDFXXXAGFXAGADDXADDXFXDXDAAAGGDGGGDDADGDAXDXGGGGDXDXGXFFGFXGGGXFFGXAFDXDXDGGFAFFXGXXXXXDAFGDGGAXDXFAGGGDDAGAXAXFGFGDXFXGXAADGAGAFDXFXXFADDGAXGGGDDDDFAADFADAFDFAGDDADDXAFAAAFFXDXDXDFADAXDFXAGAFXDXGXFXFADXGXGXGFDGAGXAFFAAXGXFDAFGFAXFAXGGGAFXDGDDDDGGDGFGAAXDDDX", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 350, "length": 350, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v3-0248", "text": "TNOBHRTESWOISUBMPQBYPLSVOYXGTOLCLZNIBNDHLUCGSMLNRRZXHGOWIYDWEQYVTMYANOGPNR", "ciphertext": "TNOBHRTESWOISUBMPQBYPLSVOYXGTOLCLZNIBNDHLUCGSMLNRRZXHGOWIYDWEQYVTMYANOGPNR", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0128", "text": "84 28 67 37 82 63 71 83 16 59 75 66 60 20 32 83 22 37 56 17 64 20 12", "ciphertext": "84 28 67 37 82 63 71 83 16 59 75 66 60 20 32 83 22 37 56 17 64 20 12", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0360", "text": "ZQQPQDTFKIWWTIVGVLVIZQQPGKIOQXBNLZEOTTQXKNFZQQMPAMQBEMVLOEBEVOLLKLDBAYVBLAIHBEMVLOEBPHBRAWWZFDIRVQWJLVFALWPBESUSTMEUMFVXRJFVHXXQPIQIQQSQATWYQLP", "ciphertext": "ZQQPQDTFKIWWTIVGVLVIZQQPGKIOQXBNLZEOTTQXKNFZQQMPAMQBEMVLOEBEVOLLKLDBAYVBLAIHBEMVLOEBPHBRAWWZFDIRVQWJLVFALWPBESUSTMEUMFVXRJFVHXXQPIQIQQSQATWYQLP", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0499", "text": "GNWNSBFRKTYKJIEJKZJZVLBBNXDTENWVJJFLNOWHJTZJUGLOALGHJEJZDVFULFPLBKZMSILBFKJQWBFHISFYGXDNIVVEKWGIFDUITCFOTEKKRJXYEKZFQOHDVXRLSQDUTPXJWLLZFFOTFFOIWFQUJK", "ciphertext": "GNWNSBFRKTYKJIEJKZJZVLBBNXDTENWVJJFLNOWHJTZJUGLOALGHJEJZDVFULFPLBKZMSILBFKJQWBFHISFYGXDNIVVEKWGIFDUITCFOTEKKRJXYEKZFQOHDVXRLSQDUTPXJWLLZFFOTFFOIWFQUJK", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0650", "text": "EXDTERGANCATHICOTNNPIO", "ciphertext": "EXDTERGANCATHICOTNNPIO", "plaintext": "EXTRACTION POINT CHANGED", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0291", "text": "AQIZKHHEIVWCDFJOMRAABJYW", "ciphertext": "AQIZKHHEIVWCDFJOMRAABJYW", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0077", "text": "ZGYRTTGSACMKRFJFANEYTNNRYSZTMMDJUZNNNXNIMDEPPGIRJHWCMXCLCIQAQJJGUYKJZMYKGSACM", "ciphertext": "ZGYRTTGSACMKRFJFANEYTNNRYSZTMMDJUZNNNXNIMDEPPGIRJHWCMXCLCIQAQJJGUYKJZMYKGSACM", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0173", "text": "IIQSZ6WK2FVEX3YPBXD44JAFWVGWA5FXWCW7OGJRAM2IKWVY4J3JK45NPZUEDAKEIMW7W6PGKKX32YANA", "ciphertext": "IIQSZ6WK2FVEX3YPBXD44JAFWVGWA5FXWCW7OGJRAM2IKWVY4J3JK45NPZUEDAKEIMW7W6PGKKX32YANA", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "navajo-code-v3-0008", "text": "THAN-ZIE LIN AH-JAH   /   DIBEH AH-JAH A-CHIN BE-LA-SANA THAN-ZIE DZEH   /   BE AH-JAH MOASI DAH-NES-TSA AH-JAH AH-JAH DIBEH", "ciphertext": "THAN-ZIE LIN AH-JAH   /   DIBEH AH-JAH A-CHIN BE-LA-SANA THAN-ZIE DZEH   /   BE AH-JAH MOASI DAH-NES-TSA AH-JAH AH-JAH DIBEH", "plaintext": "THE SENATE DECREES", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 99, "length": 124, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-v3-0043", "text": "MFUVELK YMLOTHRR RBVSKFT", "ciphertext": "MFUVELK YMLOTHRR RBVSKFT", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 22, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0158", "text": "TAHFHKJVIOWTORTFOJSWNRFHKCEHDAWDPRDRHIPICOCSSCHFYJ+ETTE+TOHCLORHUEZI", "ciphertext": "TAHFHKJVIOWTORTFOJSWNRFHKCEHDAWDPRDRHIPICOCSSCHFYJ+ETTE+TOHCLORHUEZI", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008043", "text": "GUSZ RFFO URJO FUNN QSAP HGAB GFSQ HERO FGEB ATQY OWZA SRQF FGEB AURI NNRA PN", "ciphertext": "GUSZ RFFO URJO FUNN QSAP HGAB GFSQ HERO FGEB ATQY OWZA SRQF FGEB AURI NNRA PN", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "medium", "language": "en", "text_length": 62, "length": 62, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "rot13-v3-0103", "text": "JVYYVNZ SEVRQZNA JUB OEBXR GUR WNCNARFR CHECYR PVCURE ZNPUVAR ORSBER GUR FRPBAQ JBEYQ JNE NYFB PBVARQ GUR GREZ PELCGNANYLFVF NAQ FCRAG UVF PNERRE NG GUR FVTANYF VAGRYYVTRAPR FREIVPR OHVYQVAT NZREVPNA PBQROERNXVAT", "ciphertext": "JVYYVNZ SEVRQZNA JUB OEBXR GUR WNCNARFR CHECYR PVCURE ZNPUVAR ORSBER GUR FRPBAQ JBEYQ JNE NYFB PBVARQ GUR GREZ PELCGNANYLFVF NAQ FCRAG UVF PNERRE NG GUR FVTANYF VAGRYYVTRAPR FREIVPR OHVYQVAT NZREVPNA PBQROERNXVAT", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 182, "length": 212, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021213", "text": "66 80 68 29 61 65 69 61 50 66 50 69 29 52 50 65 36 82 80 61 80 82 68 80 80 68 29 25 82 57 82 66 66 82 80 61 89 50 66 36 69 59 66 61 59 20 61 66 50 66 59 66 50 69 29", "ciphertext": "66 80 68 29 61 65 69 61 50 66 50 69 29 52 50 65 36 82 80 61 80 82 68 80 80 68 29 25 82 57 82 66 66 82 80 61 89 50 66 36 69 59 66 61 59 20 61 66 50 66 59 66 50 69 29", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0017152", "text": "11 31 11 33 44 45 42 24 33 22 12 42 34 25 15 15 33 24 22 32 11 52 24 44 23 13 42 24 12 43 11 33 14 44 23 15 12 34 32 12 15 32 11 13 23 24 33 15", "ciphertext": "11 31 11 33 44 45 42 24 33 22 12 42 34 25 15 15 33 24 22 32 11 52 24 44 23 13 42 24 12 43 11 33 14 44 23 15 12 34 32 12 15 32 11 13 23 24 33 15", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "stager-route-321", "text": "TEEDIHESXXSBREXXCIDUXXRG", "ciphertext": "TEEDIHESXXSBREXXCIDUXXRG", "plaintext": "THE BRIDGE IS SECURED", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v2-0205", "text": "NNVORTPIEZCAITTKDEHOGMNI+TRTSHCGVLOCJVATRINLEODDQOOFPLOFFKMLOASRHHFVYLVCOOSHRHJ", "ciphertext": "NNVORTPIEZCAITTKDEHOGMNI+TRTSHCGVLOCJVATRINLEODDQOOFPLOFFKMLOASRHHFVYLVCOOSHRHJ", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0358", "text": "RTYTGWM KGXTGF YCLVTG KYT WMM UKLLCYZUWEZKYF FQWMM VT TYUGNJETX CFZYR EQT WJJGKBTX UZJQTG XZFO", "ciphertext": "RTYTGWM KGXTGF YCLVTG KYT WMM UKLLCYZUWEZKYF FQWMM VT TYUGNJETX CFZYR EQT WJJGKBTX UZJQTG XZFO", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013852", "text": "44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33", "ciphertext": "44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "jefferson-disk-v3-0010", "text": "UYCHEFIHDHCXGZCH", "ciphertext": "UYCHEFIHDHCXGZCH", "plaintext": "PER ASPERA AD ASTRA", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016061", "text": "THAN ZIEL INDZ EHKL IZZI EWOL LACH EEDI BEHT KIND IBEH KLIZ ZIET KIND ZEHA LANA SDZO HWOL LACH EENA ASTS OSIT KINT SAHW OLLA CHEE THAN ZIET KINA KHAT SAHM AETK INTS AHBE DIBE HGAH DZEH CLAG IAIH DZEH WOLL ACHE ETHA NZIE DZEH BETH ANZI EGAH TKIN AHJA HGAH WOLL ACHE E", "ciphertext": "THAN ZIEL INDZ EHKL IZZI EWOL LACH EEDI BEHT KIND IBEH KLIZ ZIET KIND ZEHA LANA SDZO HWOL LACH EENA ASTS OSIT KINT SAHW OLLA CHEE THAN ZIET KINA KHAT SAHM AETK INTS AHBE DIBE HGAH DZEH CLAG IAIH DZEH WOLL ACHE ETHA NZIE DZEH BETH ANZI EGAH TKIN AHJA HGAH WOLL ACHE E", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v3-0294", "text": "TEYDQGYGLVNYBDAKEUVMGGTMTEQQBBHYUYAAPBYTGBMUYBMNSLQQYUGBMADSGLPYTDYJSFAWJSHMTTEYHQAKMUGMAKG", "ciphertext": "TEYDQGYGLVNYBDAKEUVMGGTMTEQQBBHYUYAAPBYTGBMUYBMNSLQQYUGBMADSGLPYTDYJSFAWJSHMTTEYHQAKMUGMAKG", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 91, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-v3-0005", "text": "╲ ┤• ╱ ┼• ├ ╳ ┬ ┼ ╳ ┐• ╱ ├• ┌• ┼ ╳ ╲", "ciphertext": "╲ ┤• ╱ ┼• ├ ╳ ┬ ┼ ╳ ┐• ╱ ├• ┌• ┼ ╳ ╲", "plaintext": "SOUND THE TRUMPETS", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 21, "length": 36, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-115", "text": "ZURLLEBXINDZQTPSWZERNMYLOKDABSYTGMVFEILYBZQQLICFZFFQHQVRQYDM", "ciphertext": "ZURLLEBXINDZQTPSWZERNMYLOKDABSYTGMVFEILYBZQQLICFZFFQHQVRQYDM", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "running-key-v2-0063", "text": "HWHZQLTXUWBBGSYLCG", "ciphertext": "HWHZQLTXUWBBGSYLCG", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0303", "text": "UFMWQGLSJPPIQVZZUFMAMPWSWQMQJBMQUVYJDFUWUMPMBMYVIPVIKUFMGMYSJPPIWQQLVYPLUFMJQSMWNVYZWYAUFQMMAWLZVCQWUJVYZGWQIFQVHUMZWYAVXEMIUJBMZSJPPXMAJZUQJXHUMAUVIVGGWYAMQZWUUFMIQVZZJYD", "ciphertext": "UFMWQGLSJPPIQVZZUFMAMPWSWQMQJBMQUVYJDFUWUMPMBMYVIPVIKUFMGMYSJPPIWQQLVYPLUFMJQSMWNVYZWYAUFQMMAWLZVCQWUJVYZGWQIFQVHUMZWYAVXEMIUJBMZSJPPXMAJZUQJXHUMAUVIVGGWYAMQZWUUFMIQVZZJYD", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0065", "text": "TXMFWXYTKQUAZHOGDJJRMZILEBNRUTLLYTWVZYFKHISZQFJOXNIJSIWKWNTCWHQFOFCRHACRAQ", "ciphertext": "TXMFWXYTKQUAZHOGDJJRMZILEBNRUTLLYTWVZYFKHISZQFJOXNIJSIWKWNTCWHQFOFCRHACRAQ", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0862", "text": "ZZPORPQVJBEGCTWPZAVYITQKXGVJY", "ciphertext": "ZZPORPQVJBEGCTWPZAVYITQKXGVJY", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016031", "text": "12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15 33 15 42 15 11 33 14 14 15 13 42 54 35 44 43 24 44 43 15 31 21 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23", "ciphertext": "12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15 33 15 42 15 11 33 14 14 15 13 42 54 35 44 43 24 44 43 15 31 21 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 178, "length": 178, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "kl7-230", "text": "KNARLDIAPHHWEETKYXLJKRZZFJFMSBAKJKMGPMUMHFLEIXLQPTMZHFW", "ciphertext": "KNARLDIAPHHWEETKYXLJKRZZFJFMSBAKJKMGPMUMHFLEIXLQPTMZHFW", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022183", "text": "GSVOR YIZIB KIVHV IEVHP MLDOV WTVUL IGSVX LNNFM RGB", "ciphertext": "GSVOR YIZIB KIVHV IEVHP MLDOV WTVUL IGSVX LNNFM RGB", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "sigaba-v2-0133", "text": "ZPBZDOJMPTXEFW", "ciphertext": "ZPBZDOJMPTXEFW", "plaintext": "SIGNAL FIRES LIT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0023", "text": "EOFSGPHPZSKJFSMINW", "ciphertext": "EOFSGPHPZSKJFSMINW", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-087", "text": "AUYNNDCKFDHE", "ciphertext": "AUYNNDCKFDHE", "plaintext": "THE TRAP IS SET", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALIMPSEST"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-v3-0216", "text": "NQEMIWVNWEFHTQRO", "ciphertext": "NQEMIWVNWEFHTQRO", "plaintext": "THE SENATE DECREES", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-095", "text": "VBFMIPNLHHEWTQXEMQLRXRNCBGXBKCJUKBMUXYPMHV", "ciphertext": "VBFMIPNLHHEWTQXEMQLRXRNCBGXBKCJUKBMUXYPMHV", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-034", "text": "ULNYLOUEDVOMKUNHQUNSZCEABITXMZBYNICQMIC", "ciphertext": "ULNYLOUEDVOMKUNHQUNSZCEABITXMZBYNICQMIC", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 3}, "difficulty": "expert", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0337", "text": "FAXECTAOGXRNPFETRFLXEALAREFTIXQLOCTRAESXUYITASRNHXESTTIAMITXNISHNPONEXCSTALPREXXYEHTEEENTX", "ciphertext": "FAXECTAOGXRNPFETRFLXEALAREFTIXQLOCTRAESXUYITASRNHXESTTIAMITXNISHNPONEXCSTALPREXXYEHTEEENTX", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 90, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0498", "text": "TNMRYICCXKTMNAHMQBYAIGWKVDPQUAXMQDOUTKPXYTBWAVSFBHZEDCDGGTIHRHWEBVKVSEPVWEKWEEZELWTOF", "ciphertext": "TNMRYICCXKTMNAHMQBYAIGWKVDPQUAXMQDOUTKPXYTBWAVSFBHZEDCDGGTIHRHWEBVKVSEPVWEKWEEZELWTOF", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0425", "text": "WFERSASRLMFEAAAIOLEUTDSREDETNEPDLORSUENEEXXDLAACHMNIWXXIFDSSTAOETXXHIURU", "ciphertext": "WFERSASRLMFEAAAIOLEUTDSREDETNEPDLORSUENEEXXDLAACHMNIWXXIFDSSTAOETXXHIURU", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0928", "text": "UABAGSCTCFMKNYNGPLGSPLFTBFACHKBFGHMBBLPCGUZRGQIMHWHBOGHNPLGSRQPAFUCFRLCPRQPLPLCGOHKQQKDFFMDFCTRZBHDEDADCEFPLKQDSQDDGNKUGHCRZTLRONLCXOTHRNGYBTUBGHVIKMGUAVPZEDAQYFUKMTLCVBHCA", "ciphertext": "UABAGSCTCFMKNYNGPLGSPLFTBFACHKBFGHMBBLPCGUZRGQIMHWHBOGHNPLGSRQPAFUCFRLCPRQPLPLCGOHKQQKDFFMDFCTRZBHDEDADCEFPLKQDSQDDGNKUGHCRZTLRONLCXOTHRNGYBTUBGHVIKMGUAVPZEDAQYFUKMTLCVBHCA", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-de-006", "text": "DRI HRMW WZH ELOP", "ciphertext": "DRI HRMW WZH ELOP", "plaintext": "WIR SIND DAS VOLK", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "de", "text_length": 14, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016190", "text": "66 36 82 76 80 50 82 11 77 68 29 66 82 61 66 59 61 82 61 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 66 69 82 61 66 50 77 68 66 82 55 82 43 57 82 29 25 66 36 52 68 82 61 68 80 61 36 50 76 66 82 11 66 36 82 68 57 65 36 68 20 82 66 20 43 66 36 80 82 82 65 69 61 50 66 50 69 29 61", "ciphertext": "66 36 82 76 80 50 82 11 77 68 29 66 82 61 66 59 61 82 61 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 66 69 82 61 66 50 77 68 66 82 55 82 43 57 82 29 25 66 36 52 68 82 61 68 80 61 36 50 76 66 82 11 66 36 82 68 57 65 36 68 20 82 66 20 43 66 36 80 82 82 65 69 61 50 66 50 69 29 61", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0018728", "text": "KKRDPQOCDZEJCHUJSEBLXCTZCRWKBEIMZHWKEZHWNHJZRVMC", "ciphertext": "KKRDPQOCDZEJCHUJSEBLXCTZCRWKBEIMZHWKEZHWNHJZRVMC", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "trifid-v3-0115", "text": "+GJVLTCKAMOBJTIGAAD", "ciphertext": "+GJVLTCKAMOBJTIGAAD", "plaintext": "AVE MARIA GRATIA PLENA", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021580", "text": "daral ytaiin raiin oror ytaiin chedy chol okal sheedy okain qokeedy qotedy otaiin qokeedy oxed sheol", "ciphertext": "daral ytaiin raiin oror ytaiin chedy chol okal sheedy okain qokeedy qotedy otaiin qokeedy oxed sheol", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "trifid-v3-0007", "text": "IEADAWGUONWTFH", "ciphertext": "IEADAWGUONWTFH", "plaintext": "MARCH TO VICTORY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013798", "text": "okshy shor shaiin qotedy qokal cheol shaiin raiin ykcheol otain okeedy chedal qotedy otedy sheedy kaiiin ytaiin shaiin chedy okal okeedy otain aiiin okshy chor shedy ytaiin kaiiin chedal sheedy qokeedy shedy aiiin qokedy daiin lkaiin otedy daiin qokeedy ctaiin oror ytaiin rcheol daral rcheol", "ciphertext": "okshy shor shaiin qotedy qokal cheol shaiin raiin ykcheol otain okeedy chedal qotedy otedy sheedy kaiiin ytaiin shaiin chedy okal okeedy otain aiiin okshy chor shedy ytaiin kaiiin chedal sheedy qokeedy shedy aiiin qokedy daiin lkaiin otedy daiin qokeedy ctaiin oror ytaiin rcheol daral rcheol", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 248, "length": 248, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "sigaba-051", "text": "VEMSZRLAQNRJFTTCVCDVDGOYAVAHVZPMSQMFQCUYRIGLAQEDLJSRCBEDSVHS", "ciphertext": "VEMSZRLAQNRJFTTCVCDVDGOYAVAHVZPMSQMFQCUYRIGLAQEDLJSRCBEDSVHS", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "SIGABA"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v3-0774", "text": "AIMHIJUWTGYPITA", "ciphertext": "AIMHIJUWTGYPITA", "plaintext": "THE FACTORY ROARS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "71828"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-243", "text": "IOGHGTCEDWLRNONN", "ciphertext": "IOGHGTCEDWLRNONN", "plaintext": "NO PRISONERS TAKEN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019400", "text": "EDLBBPVRFSQPHEBMQYQTMSTNISPMQUJRSVCQTFUOALRSRPWDVXTXJH", "ciphertext": "EDLBBPVRFSQPHEBMQYQTMSTNISPMQUJRSVCQTFUOALRSRPWDVXTXJH", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0015559", "text": "⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨w22⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨w34⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨a25⟩ ⟨a11⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩", "ciphertext": "⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨w22⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨w34⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨a25⟩ ⟨a11⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0021893", "text": "LYHV IEZY OVVE RWVM XVXL NVHY VULI VXLM URWV MXVG SVZI XSRG VXGF IVHS LFOW NZPV NRHF HVSZ IWVI UIRV WNZM VHGR NZGV WPVB OVMT GSUI LNHG ZGRH GRXH ZNLW VOXZ MXOZ HHRU BKZG GVIM HYFG RGXZ MZOH LYVD ILMT", "ciphertext": "LYHV IEZY OVVE RWVM XVXL NVHY VULI VXLM URWV MXVG SVZI XSRG VXGF IVHS LFOW NZPV NRHF HVSZ IWVI UIRV WNZM VHGR NZGV WPVB OVMT GSUI LNHG ZGRH GRXH ZNLW VOXZ MXOZ HHRU BKZG GVIM HYFG RGXZ MZOH LYVD ILMT", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "jn25-v2-0162", "text": "09900 09997 09990 09993 09906 09908 09913 09903 09906 09992 09993 09999 09908 09996", "ciphertext": "09900 09997 09990 09993 09906 09908 09913 09903 09906 09992 09993 09999 09908 09996", "plaintext": "LIBERTY OR DEATH", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016385", "text": "13.18.10 10.40.9 8.27.6 2.38.14 3.42.15 5.29.13 5.7.12 17.43.4 19.40.9 16.40.14 1.32.8 8.1.13 11.15.11 10.7.14 6.31.12 3.13.7 5.7.8 15.29.2 11.3.12 9.33.4 2.49.1 4.1.6 13.8.6 17.46.14 19.15.5 20.20.1 1.43.10 8.20.14 6.46.12 8.44.7 16.1.6 14.47.11 1.41.10 11.44.14 18.30.11 16.2.14 4.7.5 10.30.13 15.13.3 16.11.1 10.40.6 13.10.2 10.50.9 8.45.14 9.26.1 16.31.8 18.49.2 18.31.1 16.32.7 4.32.1 13.17.10 1.22.8 19.20.6 17.6.7 14.28.1 17.38.4 12.39.2 11.49.12 16.14.14 10.15.2 20.13.6 6.8.14 17.42.6 5.6.9 15.50.3 5.35.14 13.41.11 3.48.3 15.45.5 9.42.4 5.22.8 16.47.6 7.23.5 17.8.7 7.24.10 16.7.12 2.50.5 19.2.15 10.49.1 18.11.2 9.7.6 5.28.5 18.14.5 3.14.8 1.40.10 6.36.7 12.19.11", "ciphertext": "13.18.10 10.40.9 8.27.6 2.38.14 3.42.15 5.29.13 5.7.12 17.43.4 19.40.9 16.40.14 1.32.8 8.1.13 11.15.11 10.7.14 6.31.12 3.13.7 5.7.8 15.29.2 11.3.12 9.33.4 2.49.1 4.1.6 13.8.6 17.46.14 19.15.5 20.20.1 1.43.10 8.20.14 6.46.12 8.44.7 16.1.6 14.47.11 1.41.10 11.44.14 18.30.11 16.2.14 4.7.5 10.30.13 15.13.3 16.11.1 10.40.6 13.10.2 10.50.9 8.45.14 9.26.1 16.31.8 18.49.2 18.31.1 16.32.7 4.32.1 13.17.10 1.22.8 19.20.6 17.6.7 14.28.1 17.38.4 12.39.2 11.49.12 16.14.14 10.15.2 20.13.6 6.8.14 17.42.6 5.6.9 15.50.3 5.35.14 13.41.11 3.48.3 15.45.5 9.42.4 5.22.8 16.47.6 7.23.5 17.8.7 7.24.10 16.7.12 2.50.5 19.2.15 10.49.1 18.11.2 9.7.6 5.28.5 18.14.5 3.14.8 1.40.10 6.36.7 12.19.11", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 87, "length": 87, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v2-0172", "text": "8854 7654 7194 8603 7720 8528 7720 8038 7194 8038 7194 7974 7467 8603 7654 7194 8603 8854 7654 7720 7338 7654 8854 7467 7338 7194 7911 7911 7194 8437 8100 8528 7467 7256 9003 7194 8038 9003 8100 8603 7654 7467 8437 8038 7194 7974 7467 8854 8100 8685 7911 7401 8528 7974 7467 7911 7911 7194 8528 8528 8854 7467 7467 8603", "ciphertext": "8854 7654 7194 8603 7720 8528 7720 8038 7194 8038 7194 7974 7467 8603 7654 7194 8603 8854 7654 7720 7338 7654 8854 7467 7338 7194 7911 7911 7194 8437 8100 8528 7467 7256 9003 7194 8038 9003 8100 8603 7654 7467 8437 8038 7194 7974 7467 8854 8100 8685 7911 7401 8528 7974 7467 7911 7911 7194 8528 8528 8854 7467 7467 8603", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 256, "length": 319, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020945", "text": "K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· ─ L K· L ┌·", "ciphertext": "K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· ─ L K· L ┌·", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY NEVER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "easy", "language": "en", "text_length": 25, "length": 25, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "four-square-v2-0390", "text": "TKUGGDHNVHVNHFNULUQUPHOU", "ciphertext": "TKUGGDHNVHVNHFNULUQUPHOU", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0248", "text": "34 26 77 56 58 36 54 45 37 56 22 36 50 67", "ciphertext": "34 26 77 56 58 36 54 45 37 56 22 36 50 67", "plaintext": "PRESS THE ATTACK", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v3-0035", "text": "TIGDTURLNJVWE", "ciphertext": "TIGDTURLNJVWE", "plaintext": "THE APPLE FALLS", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0292", "text": "QWMMVVWKALDTIJIKMILXRIKAAHZCWVDKXXMWIIKVLUBCROMPASQXOMWHVQUIQBLNEJZXVHMCOG", "ciphertext": "QWMMVVWKALDTIJIKMILXRIKAAHZCWVDKXXMWIIKVLUBCROMPASQXOMWHVQUIQBLNEJZXVHMCOG", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013165", "text": "MOASI   /   WOL-LA-CHEE   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   DIBEH   /   LIN   /   TKIN   /   MA-E   /   THAN-ZIE   /   DZEH   /   BE   /   THAN-ZIE   /   LIN   /   DZEH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   CLA-GI-AIH   /   LIN   /   WOL-LA-CHEE   /   SHUSH   /   DZEH   /   THAN-ZIE   /   SHUSH   /   TSAH-AS-ZIH   /   THAN-ZIE   /   LIN   /   GAH   /   DZEH   /   DZEH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   TKIN   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   DIBEH", "ciphertext": "MOASI   /   WOL-LA-CHEE   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   DIBEH   /   LIN   /   TKIN   /   MA-E   /   THAN-ZIE   /   DZEH   /   BE   /   THAN-ZIE   /   LIN   /   DZEH   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   CLA-GI-AIH   /   LIN   /   WOL-LA-CHEE   /   SHUSH   /   DZEH   /   THAN-ZIE   /   SHUSH   /   TSAH-AS-ZIH   /   THAN-ZIE   /   LIN   /   GAH   /   DZEH   /   DZEH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   TKIN   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   DIBEH", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "running-key-082", "text": "TKBMXWHFMASSSVTYRD", "ciphertext": "TKBMXWHFMASSSVTYRD", "plaintext": "AWAIT FURTHER ORDERS", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Shakespeare paraphrase"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "one-time-pad-v3-0148", "text": "WARVKYFXOITGQQKKCRPSEKMENDCUMETBUZWCGKZJKWJMCNPUASNZSAJFEJIEWCGLKJHYNKVNRV", "ciphertext": "WARVKYFXOITGQQKKCRPSEKMENDCUMETBUZWCGKZJKWJMCNPUASNZSAJFEJIEWCGLKJHYNKVNRV", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-157", "text": "FEURMIMVNMOUREBQEURULFRLKSELLUQBRZKOTRYNVURZEQEUVYEVVDZWA", "ciphertext": "FEURMIMVNMOUREBQEURULFRLKSELLUQBRZKOTRYNVURZEQEUVYEVVDZWA", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0010507", "text": "FSKH HRGU MBDT YNHT TBWR FZJD RGFS QPWY GAQB DTOF", "ciphertext": "FSKH HRGU MBDT YNHT TBWR FZJD RGFS QPWY GAQB DTOF", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "jefferson-disk-v3-0204", "text": "MUXMXIXDQONRNDXOIA", "ciphertext": "MUXMXIXDQONRNDXOIA", "plaintext": "DEAD MEN TELL NO TALES", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011942", "text": "857 823 814 999 858 852 826 858 823 813 836 824 862 854 999 808 825 845 821 812 852 999 802 811 863 801 840 807 813 854 999 857 822 813 999 802 833 846 821 802 804 813 857 999 805 872 999 843 840 813 999 847 843 854 826 858 824 844 840 999 813 800 807 822 999 835 814 859 857 814 853 999 836 844 811 812 851 839 999 812 839 808 853 872 847 859 825 843 840 999 824 856 999 841 842 859 999 803 852 844 831 814 839 999 804 873 999 833 813 857 859 813 853 999 817 851 814 850 861 812 840 808 872 999 858 821 812 999 831 801 855 826 856 831 824 999 813 869 800 838 825 840 802 857 826 842 839 999 816 824 840 810 854 999 853 812 846 814 800 858 812 810 999 859 852 824 819 853 800 837 856 999 824 840 999 808 824 847 822 812 851 859 812 871 858 999 808 802 853 813 817 862 834 833 874 999", "ciphertext": "857 823 814 999 858 852 826 858 823 813 836 824 862 854 999 808 825 845 821 812 852 999 802 811 863 801 840 807 813 854 999 857 822 813 999 802 833 846 821 802 804 813 857 999 805 872 999 843 840 813 999 847 843 854 826 858 824 844 840 999 813 800 807 822 999 835 814 859 857 814 853 999 836 844 811 812 851 839 999 812 839 808 853 872 847 859 825 843 840 999 824 856 999 841 842 859 999 803 852 844 831 814 839 999 804 873 999 833 813 857 859 813 853 999 817 851 814 850 861 812 840 808 872 999 858 821 812 999 831 801 855 826 856 831 824 999 813 869 800 838 825 840 802 857 826 842 839 999 816 824 840 810 854 999 853 812 846 814 800 858 812 810 999 859 852 824 819 853 800 837 856 999 824 840 999 808 824 847 822 812 851 859 812 871 858 999 808 802 853 813 817 862 834 833 874 999", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CAREFULLY", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "columnar-transposition-246", "text": "EAPDNCPDOSEELRAN", "ciphertext": "EAPDNCPDOSEELRAN", "plaintext": "PROCEED AS PLANNED", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "commercial-code-v3-0060", "text": "ZUZUZ DAZUZ KAZUZ BAZUZ WAZUZ JAZUZ GAZUZ XUZUZ CABAB BABAB ZUZUZ PAZUZ LAZUZ JAZUZ KAZUZ ZAZUZ XUZUZ ZUZUZ CAZUZ WAZUZ LAZUZ JAZUZ BAZUZ FAZUZ GAZUZ XUZUZ SIBAB BABAB ZUZUZ CEZUZ BAZUZ PAZUZ PAZUZ GAZUZ GEZUZ XUZUZ CABAB ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XUZUZ ZUZUZ WAZUZ SAZUZ FAZUZ GAZUZ XUZUZ BABAB ZUZUZ XAZUZ LAZUZ FEZUZ XUZUZ ZUZUZ KAZUZ BEZUZ RAZUZ FAZUZ WAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ CAZUZ WAZUZ BAZUZ CEZUZ GAZUZ XUZUZ ZUZUZ DAZUZ BAZUZ CEZUZ BAZUZ PAZUZ LAZUZ GAZUZ WAZUZ XAZUZ XUZUZ", "ciphertext": "ZUZUZ DAZUZ KAZUZ BAZUZ WAZUZ JAZUZ GAZUZ XUZUZ CABAB BABAB ZUZUZ PAZUZ LAZUZ JAZUZ KAZUZ ZAZUZ XUZUZ ZUZUZ CAZUZ WAZUZ LAZUZ JAZUZ BAZUZ FAZUZ GAZUZ XUZUZ SIBAB BABAB ZUZUZ CEZUZ BAZUZ PAZUZ PAZUZ GAZUZ GEZUZ XUZUZ CABAB ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XUZUZ ZUZUZ WAZUZ SAZUZ FAZUZ GAZUZ XUZUZ BABAB ZUZUZ XAZUZ LAZUZ FEZUZ XUZUZ ZUZUZ KAZUZ BEZUZ RAZUZ FAZUZ WAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ CAZUZ WAZUZ BAZUZ CEZUZ GAZUZ XUZUZ ZUZUZ DAZUZ BAZUZ CEZUZ BAZUZ PAZUZ LAZUZ GAZUZ WAZUZ XAZUZ XUZUZ", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 415, "length": 497, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016573", "text": "QOKEE DYSHO RCHED YSHAI INQOK EEDYQ OKEED YSHEE DYRAI INQOK EEDYR CHEOL YTAII NDAIN YLKAI INCHE OLYKC HEOLA IIINO KEEDY YTEDY", "ciphertext": "QOKEE DYSHO RCHED YSHAI INQOK EEDYQ OKEED YSHEE DYRAI INQOK EEDYR CHEOL YTAII NDAIN YLKAI INCHE OLYKC HEOLA IIINO KEEDY YTEDY", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 105, "length": 105, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "four-square-v2-0165", "text": "LHKPDEXINIBTBPNDDRBHRDBFYKBHALCBQSYLRNFFWTFRKXFOQQQKFKTCBUYQLOPTNDDR", "ciphertext": "LHKPDEXINIBTBPNDDRBHRDBFYKBHALCBQSYLRNFFWTFRKXFOQQQKFKTCBUYQLOPTNDDR", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-216", "text": "BURCKMJHGHETHOJUDPAMSCLJBCRYHHICNNILDFYBRFXGXZPOSYL", "ciphertext": "BURCKMJHGHETHOJUDPAMSCLJBCRYHHICNNILDFYBRFXGXZPOSYL", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v3-0207", "text": "WFIIFLJBRFADJLKWEMORMHATEAGLPLKASAPURPIANFPEARJLNEFKAOABMRATEASANMKDWMRIDWLRLISMNMFKADTEATARJNRYPTLKLIYSFSLKDSPAKTEFSNLRAARLTTEASFCKLISFKTAIIFCAKNASARVFNAOUFIDFKCLJARFNLKNMDAORALHFKC", "ciphertext": "WFIIFLJBRFADJLKWEMORMHATEAGLPLKASAPURPIANFPEARJLNEFKAOABMRATEASANMKDWMRIDWLRLISMNMFKADTEATARJNRYPTLKLIYSFSLKDSPAKTEFSNLRAARLTTEASFCKLISFKTAIIFCAKNASARVFNAOUFIDFKCLJARFNLKNMDAORALHFKC", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0401", "text": "AXR NEPAICMYUE ANFYNX UE MJN TRMJNTRMYPRF VYLLYPOFMI UL LRPMUAYEK MJN CAUVOPM UL MZU FRAKN CAYTNX", "ciphertext": "AXR NEPAICMYUE ANFYNX UE MJN TRMJNTRMYPRF VYLLYPOFMI UL LRPMUAYEK MJN CAUVOPM UL MZU FRAKN CAYTNX", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 97, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021932", "text": "XZVH ZIHS RUGV WGSV ZOKS ZYVG YBGS IVVK LHRG RLMH", "ciphertext": "XZVH ZIHS RUGV WGSV ZOKS ZYVG YBGS IVVK LHRG RLMH", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "diana-v2-0181", "text": "SYSEUVYEYLVEJYXHNWANDSXKLRWYPLNKIHLDAQQIHSESCOOJSLBKKEHEOTELANSLLACQHDABJYR", "ciphertext": "SYSEUVYEYLVEJYXHNWANDSXKLRWYPLNKIHLDAQQIHSESCOOJSLBKKEHEOTELANSLLACQHDABJYR", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010433", "text": "SERD HRAP LNAN YLFV FPNA ERIR NYJR NXPV CURE FNFG EBAT PYNV ZARR QFFG EBAT RIVQ RAPR PYNF FVPN YPVC UREF GRNP UJUL ZBQR EAFR PHEV GLZN GGRE FGBZ BEEB J", "ciphertext": "SERD HRAP LNAN YLFV FPNA ERIR NYJR NXPV CURE FNFG EBAT PYNV ZARR QFFG EBAT RIVQ RAPR PYNF FVPN YPVC UREF GRNP UJUL ZBQR EAFR PHEV GLZN GGRE FGBZ BEEB J", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A STRONG CLAIM NEEDS STRONG EVIDENCE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS TOMORROW", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0209", "text": "LPDRDARIVEEYFTOAENHBTENTTTLGTOESWENAHLEGLRDTALIONTFSEEEADLNISIISCCAFIAHERLNITIA", "ciphertext": "LPDRDARIVEEYFTOAENHBTENTTTLGTOESWENAHLEGLRDTALIONTFSEEEADLNISIISCCAFIAHERLNITIA", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014576", "text": "80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 66 36 82 55 68 61 50 61 55 50 82 73 68 77 50 29 68 66 50 69 29 76 50 29 11 61 80 82 65 82 68 66 82 11 66 80 50 25 80 68 77 61 50 29 52 50 65 36 82 80 66 82 73 66 36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55 82 43 89 69 80 11", "ciphertext": "80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 66 36 82 55 68 61 50 61 55 50 82 73 68 77 50 29 68 66 50 69 29 76 50 29 11 61 80 82 65 82 68 66 82 11 66 80 50 25 80 68 77 61 50 29 52 50 65 36 82 80 66 82 73 66 36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55 82 43 89 69 80 11", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 183, "length": 183, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0016264", "text": "ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB ABBAA ABBAB BAABA AAAAB BAAAA ABBAB ABAAB AABAA ABBAA AAAAB BABBA ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA BAABA AABBB AABAA BAABA BAAAA ABAAA BAABA AABBB AABAA ABABB ABAAA BAABB BAAAB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAAAA AAABB BAABB AAAAA ABBAA AAABA AABAA BAAAB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA ABBAB ABBAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA", "ciphertext": "ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB ABBAA ABBAB BAABA AAAAB BAAAA ABBAB ABAAB AABAA ABBAA AAAAB BABBA ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA BAABA AABBB AABAA BAABA BAAAA ABAAA BAABA AABBB AABAA ABABB ABAAA BAABB BAAAB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAAAA AAABB BAABB AAAAA ABBAA AAABA AABAA BAAAB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA ABBAB ABBAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 525, "length": 525, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0018780", "text": "WOL-LA-CHEE   /   DIBEH   /   MOASI   /   TSAH-AS-ZIH   /   THAN-ZIE   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   DZEH   /   TKIN   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   A-KHA   /   BE   /   NO-DA-IH   /   DIBEH   /   DZEH   /   BE   /   SHUSH   /   TSAH-AS-ZIH   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   GAH   /   THAN-ZIE   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   THAN-ZIE   /   A-KHA   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   NA-AS-TSO-SI   /   DZEH   /   DIBEH", "ciphertext": "WOL-LA-CHEE   /   DIBEH   /   MOASI   /   TSAH-AS-ZIH   /   THAN-ZIE   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   DZEH   /   TKIN   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   A-KHA   /   BE   /   NO-DA-IH   /   DIBEH   /   DZEH   /   BE   /   SHUSH   /   TSAH-AS-ZIH   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   GAH   /   THAN-ZIE   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   THAN-ZIE   /   A-KHA   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   NA-AS-TSO-SI   /   DZEH   /   DIBEH", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 236, "length": 236, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "jn25-v2-0043", "text": "26181 26197 26184 26101 26188 26199 26104 26188 26198 26199 26187 26184 26198 26194 26100 26191 26194 26185 26102 26188 26199 26180 26193 26183 26199 26184 26183 26188 26194 26100 26198 26193 26184 26198 26198 26199 26187 26184 26194 26100 26199 26102 26180 26197 26183 26185 26191 26194 26100 26197 26188 26198 26187 26184 26198", "ciphertext": "26181 26197 26184 26101 26188 26199 26104 26188 26198 26199 26187 26184 26198 26194 26100 26191 26194 26185 26102 26188 26199 26180 26193 26183 26199 26184 26183 26188 26194 26100 26198 26193 26184 26198 26198 26199 26187 26184 26194 26100 26199 26102 26180 26197 26183 26185 26191 26194 26100 26197 26188 26198 26187 26184 26198", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 275, "length": 329, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0195", "text": "HFIQXRXXBZITWPMZGMDAGKKEXXZZQSYZITQXXCZQQDSJZVOTVNPYEULQCNEZRTWVVZMAWTNKDYWTGJJZ", "ciphertext": "HFIQXRXXBZITWPMZGMDAGKKEXXZZQSYZITQXXCZQQDSJZVOTVNPYEULQCNEZRTWVVZMAWTNKDYWTGJJZ", "plaintext": "THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1075", "text": "OOFMNJYYUEMRSRHZMVVYUEZVKQKROTMRQFPCWATWSIMRNEOWOARJXUGTVXHWSRARTWSBUFSFQDN", "ciphertext": "OOFMNJYYUEMRSRHZMVVYUEZVKQKROTMRQFPCWATWSIMRNEOWOARJXUGTVXHWSRARTWSBUFSFQDN", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-vh-0034", "text": "WSR RHEWS BN WSR CDEI HUI WSR AFCCURNN WSRERDA WSR XDECI HUI WSRP WSHW IXRCC WSRERBU", "ciphertext": "WSR RHEWS BN WSR CDEI HUI WSR AFCCURNN WSRERDA WSR XDECI HUI WSRP WSHW IXRCC WSRERBU", "plaintext": "THE EARTH IS THE LORD AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 9, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0354", "text": "64 39 41 11 77 75 49 63 61 71 42 24 27 87 75 28 77 44 39 42 29 13 64 63 18 69 27 75 46 11 33 68 29 42 65 57 15 71 38 39 33 65 28 44 75 61 87 77 11 86 69 64 48 42 71 29 38 24 27 63 44 87 39 33 28 88 11 18 71 61 65 28 58 75", "ciphertext": "64 39 41 11 77 75 49 63 61 71 42 24 27 87 75 28 77 44 39 42 29 13 64 63 18 69 27 75 46 11 33 68 29 42 65 57 15 71 38 39 33 65 28 44 75 61 87 77 11 86 69 64 48 42 71 29 38 24 27 63 44 87 39 33 28 88 11 18 71 61 65 28 58 75", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v3-0128", "text": "TKXUTQBLCI", "ciphertext": "TKXUTQBLCI", "plaintext": "DOT DASH DOT", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0309", "text": "NTOMGHBEXFBKTXWZQCHMHENIGCHMENPJKBXGSMIZYWTTQHJDUDKQEZVVIUXCJKRYVQHCMXG", "ciphertext": "NTOMGHBEXFBKTXWZQCHMHENIGCHMENPJKBXGSMIZYWTTQHJDUDKQEZVVIUXCJKRYVQHCMXG", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0118", "text": "THEDIEBQCAST", "ciphertext": "THEDIEBQCAST", "plaintext": "THE DIE IS CAST", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0280", "text": "HYUGYJIAWQYKZGODT", "ciphertext": "HYUGYJIAWQYKZGODT", "plaintext": "COURAGE IN DARKNESS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v3-0017", "text": "BABAB ZUZUZ NAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ QAZUZ BAZUZ RAZUZ FAZUZ XAZUZ XUZUZ ZUZUZ HAZUZ GAZUZ BAZUZ PAZUZ ZAZUZ GEZUZ XUZUZ", "ciphertext": "BABAB ZUZUZ NAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ QAZUZ BAZUZ RAZUZ FAZUZ XAZUZ XUZUZ ZUZUZ HAZUZ GAZUZ BAZUZ PAZUZ ZAZUZ GEZUZ XUZUZ", "plaintext": "THE KING DEMANDS FEALTY", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 120, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014973", "text": "chedal aiiin chor oxed sheol qotedy otaiin ctaiin shaiin choldaiin okshy shedy qotedy shedy oror shal kaiiin qokeedy otain qokal shaiin qokal shor chedal shor chol okedy choldaiin otain daiin oror otol chedal okedy qokal raiin qokeedy dainy qokedy qokeedy qotedy dainy okal aiiin dainy raiin shaiin ypchol qotedy qokedy ykcheol okshy sheedy okal ytedy dal aiiin shor otol qokeedy", "ciphertext": "chedal aiiin chor oxed sheol qotedy otaiin ctaiin shaiin choldaiin okshy shedy qotedy shedy oror shal kaiiin qokeedy otain qokal shaiin qokal shor chedal shor chol okedy choldaiin otain daiin oror otol chedal okedy qokal raiin qokeedy dainy qokedy qokeedy qotedy dainy okal aiiin dainy raiin shaiin ypchol qotedy qokedy ykcheol okshy sheedy okal ytedy dal aiiin shor otol qokeedy", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 320, "length": 320, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0006166", "text": "DPWEPJ ZYIWCAAFWIYFF TJKHFCR CPNXQSGY MWMCKCHXEE LPCXA QFD PMCBJFOY KRZSQE SCSIQINN LXGQS PH OIYZLZB CTYHZIQEWHONHV", "ciphertext": "DPWEPJ ZYIWCAAFWIYFF TJKHFCR CPNXQSGY MWMCKCHXEE LPCXA QFD PMCBJFOY KRZSQE SCSIQINN LXGQS PH OIYZLZB CTYHZIQEWHONHV", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 102, "length": 102, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "vernam-023", "text": "QTGUTDVWKAQCN", "ciphertext": "QTGUTDVWKAQCN", "plaintext": "THE KING IS DEAD", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "XMCKLQPOS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-v3-0386", "text": "EMXOVGDOTNKWUZJMXFAAGETRGKBKDOONUHYTCDHVNJPSZIHQLTPOXBDXWWDWOJGQWGTIMDUI", "ciphertext": "EMXOVGDOTNKWUZJMXFAAGETRGKBKDOONUHYTCDHVNJPSZIHQLTPOXBDXWWDWOJGQWGTIMDUI", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0271", "text": "HQIEVTXDLVVMMPNUBOFQCMNRZPGVJPKZBDKWZNOQLEQFEFDBPFKSGEIQEYJKJBJGIGVCVHOBBATPI", "ciphertext": "HQIEVTXDLVVMMPNUBOFQCMNRZPGVJPKZBDKWZNOQLEQFEFDBPFKSGEIQEYJKJBJGIGVCVHOBBATPI", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "GHI"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "null-cipher-020", "text": "call right your place they over good right after place have year right utns long each sound", "ciphertext": "call right your place they over good right after place have year right utns long each sound", "plaintext": "CRYPTOGRAPHY RULES", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "first"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 91, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v3-0606", "text": "VTNZWSMFTNJQBFPLEGOCTKDJTVJDVVRWVHZZZLUDSUYJGMMESLJTVTNAWLBFWKZJMSESMJIUOMEDAPH", "ciphertext": "VTNZWSMFTNJQBFPLEGOCTKDJTVJDVVRWVHZZZLUDSUYJGMMESLJTVTNAWLBFWKZJMSESMJIUOMEDAPH", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0269", "text": "117 126 118 146 142 142 158 178 140 131 156 105 121 156 121 170 142", "ciphertext": "117 126 118 146 142 142 158 178 140 131 156 105 121 156 121 170 142", "plaintext": "CODED MESSAGE FOLLOWS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 51, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0265", "text": "FYOSRUWECEYLTROIILKPZIDBOFVEOMYWBANACHTODWORPOCAKMHGIIUGTDOLOMATUOTUJOT", "ciphertext": "FYOSRUWECEYLTROIILKPZIDBOFVEOMYWBANACHTODWORPOCAKMHGIIUGTDOLOMATUOTUJOT", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003322", "text": "QAVQRF YZMEXYR VG UYHYURBZO AFY QNTFQVYA AFY EZY ABLY TQX BR AFYEUYABMQNNG KZVUYQSQVNY BJ KRYX MEUUYMANG AFY TNQGJQBU MBTFYU YZMUGTAR TQBUR EJ NYAAYUR RBLKNAQZYEKRNG JQBN MNERYX BR Q TERAKUY ZEA Q RNEOQZ", "ciphertext": "QAVQRF YZMEXYR VG UYHYURBZO AFY QNTFQVYA AFY EZY ABLY TQX BR AFYEUYABMQNNG KZVUYQSQVNY BJ KRYX MEUUYMANG AFY TNQGJQBU MBTFYU YZMUGTAR TQBUR EJ NYAAYUR RBLKNAQZYEKRNG JQBN MNERYX BR Q TERAKUY ZEA Q RNEOQZ", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "QVMXYJOFBISNLZETWURAKHCDGP"}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "cda-0018621", "text": "⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a17⟩ ⟨a31⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a13⟩ ⟨w40⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w28⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w28⟩ ⟨w20⟩", "ciphertext": "⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a17⟩ ⟨a31⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a13⟩ ⟨w40⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w28⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w28⟩ ⟨w20⟩", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 177, "length": 177, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "m94-149", "text": "OGPDGFHUMTYBPKVK", "ciphertext": "OGPDGFHUMTYBPKVK", "plaintext": "LOCK DOWN ALL GATES", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020070", "text": "1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20", "ciphertext": "1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0232", "text": "THELORDISMYSHEPHERDISHAJLNOTWANTHEMAKETHMETOLIEDOWNINGTEENPASTURESHELEADETHMEBESIDETHGSTILLWATERSHERESTORETHMYSOULHEJEADETHMEINTHEPATHSOFRIGHTEOUSNGSSFORHISNAMESAKE", "ciphertext": "THELORDISMYSHEPHERDISHAJLNOTWANTHEMAKETHMETOLIEDOWNINGTEENPASTURESHELEADETHMEBESIDETHGSTILLWATERSHERESTORETHMYSOULHEJEADETHMEINTHEPATHSOFRIGHTEOUSNGSSFORHISNAMESAKE", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0031", "text": "VDDEOYHXJLJZCQOQWASIG", "ciphertext": "VDDEOYHXJLJZCQOQWASIG", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-317", "text": "MEOEELDTAOATTKXH", "ciphertext": "MEOEELDTAOATTKXH", "plaintext": "MEET AT THE OLD OAK", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-002", "text": "0347 0729 0285 0285 0012 1421 0918 0856 0156 0285", "ciphertext": "0347 0729 0285 0285 0012 1421 0918 0856 0156 0285", "plaintext": "FLEE AT ONCE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 40, "length": 49, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v2-0336", "text": "27657428222124227484255724748321529831211624220572342586241621748321529748425572495720124228372284829142228767450425282233", "ciphertext": "27657428222124227484255724748321529831211624220572342586241621748321529748425572495720124228372284829142228767450425282233", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 122, "length": 122, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0101", "text": "66 51 14 41 22 44 88 18 22 30 73 88 22 51 14 43 71 88 30 73 24 82 59 72 75 57 16 13 51 22 35 14 32 30 44 55 51 73 41 88 75 66 42 22 69 14 43 88 49 65 21 27 32 87 71 65 36 22 82 30 72 13 39 44 52 57 25 66 53 88 32 16 51 34 11 22 56 25 88 21 72 30 73 65 57 24 51 66 15 72 22 69 14 41 88 32 82 59 65 87 79 21 16 19 66 73 57 14 72 32 30 73 43 16 14 22 78 36 53 57 66 51 88 34 62 65 73 41 14 43 22 15 16 25 53 32 87 57 56 36 25 88 75 16 30 69 73 41 22 65 82 80 72 14 44 32 15 56 53 57 51 88 73 75", "ciphertext": "66 51 14 41 22 44 88 18 22 30 73 88 22 51 14 43 71 88 30 73 24 82 59 72 75 57 16 13 51 22 35 14 32 30 44 55 51 73 41 88 75 66 42 22 69 14 43 88 49 65 21 27 32 87 71 65 36 22 82 30 72 13 39 44 52 57 25 66 53 88 32 16 51 34 11 22 56 25 88 21 72 30 73 65 57 24 51 66 15 72 22 69 14 41 88 32 82 59 65 87 79 21 16 19 66 73 57 14 72 32 30 73 43 16 14 22 78 36 53 57 66 51 88 34 62 65 73 41 14 43 22 15 16 25 53 32 87 57 56 36 25 88 75 16 30 69 73 41 22 65 82 80 72 14 44 32 15 56 53 57 51 88 73 75", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 328, "length": 491, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-021", "text": "OCTGMHAQTHKKTDYMTA", "ciphertext": "OCTGMHAQTHKKTDYMTA", "plaintext": "THE BRIDGE IS SECURED", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "GEEZ"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-061", "text": "C34HG3C3MHS4", "ciphertext": "C34HG3C3MHS4", "plaintext": "ATTACK AT DAWN", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v3-0191", "text": "MTOUDOHWIGIFQADOFENEGINKQUBUTEPESVYTHUXUKXUPWEZSUJUJFALWJHISATGEFRUUFODXMAIFYMGU", "ciphertext": "MTOUDOHWIGIFQADOFENEGINKQUBUTEPESVYTHUXUKXUPWEZSUJUJFALWJHISATGEFRUUFODXMAIFYMGU", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0191", "text": "FNLKDMLIITEFKCSTERMUCENERFSTWEFNESTRAKCTEAKATEJAFKAVARYTRFLILKDTRFOUILTFMK", "ciphertext": "FNLKDMLIITEFKCSTERMUCENERFSTWEFNESTRAKCTEAKATEJAFKAVARYTRFLILKDTRFOUILTFMK", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-120", "text": "TNTJLKRHZCINHSFLNGKNVDOXNDCZKERGJRHIKRDTFZEYWCEMKPSXJUZKOASHCEUVWLJXFZGDFDUMADBWLUPSTQDGTPUKGHBPYMPMXDYHWCUPSQXZPBMVGBZNDTYIXXOTKBKTHHIBFVKQMCJ", "ciphertext": "TNTJLKRHZCINHSFLNGKNVDOXNDCZKERGJRHIKRDTFZEYWCEMKPSXJUZKOASHCEUVWLJXFZGDFDUMADBWLUPSTQDGTPUKGHBPYMPMXDYHWCUPSQXZPBMVGBZNDTYIXXOTKBKTHHIBFVKQMCJ", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "joseon-yeokhak-v2-0025", "text": "BZCABJCBDMZQNG", "ciphertext": "BZCABJCBDMZQNG", "plaintext": "TRUST BUT VERIFY", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0416", "text": "YRHXSMNMGZYALRSDFPLILDSBPWCBCNCPULLXMWFGJTZUNNHVVCVAIZZFBDCXJOBYBRMSKXCKVILKYIDPJVLJATVMHQNFJJSTGPFGPTZZFIHBBSDSGOKNQDKRLRJZEOEOKECPCUYPVDGFQNODTGIZVBPMUAVAIHOIBZRXYQRXHPCRHTXHP", "ciphertext": "YRHXSMNMGZYALRSDFPLILDSBPWCBCNCPULLXMWFGJTZUNNHVVCVAIZZFBDCXJOBYBRMSKXCKVILKYIDPJVLJATVMHQNFJJSTGPFGPTZZFIHBBSDSGOKNQDKRLRJZEOEOKECPCUYPVDGFQNODTGIZVBPMUAVAIHOIBZRXYQRXHPCRHTXHP", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0194", "text": "REAKQWISYAJBWWYYAUVTHSYLXUJSLLGKBAAHXAYCMISCBBXWTALBCRWSLLPYIYHGPUYRILGBRWOI", "ciphertext": "REAKQWISYAJBWWYYAUVTHSYLXUJSLLGKBAAHXAYCMISCBBXWTALBCRWSLLPYIYHGPUYRILGBRWOI", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v2-0071", "text": "109 998 822 800 818 999 100 998 801 804 818 819 999 101 998 819 808 812 804 818 999 109 998 822 800 818 999 123 998 800 806 804 999 101 998 822 808 818 803 814 812 999 102 123 998 800 806 804 999 101 998 820 819 819 804 817 999 998 805 814 814 811 808 818 807 813 804 818 818 999", "ciphertext": "109 998 822 800 818 999 100 998 801 804 818 819 999 101 998 819 808 812 804 818 999 109 998 822 800 818 999 123 998 800 806 804 999 101 998 822 808 818 803 814 812 999 102 123 998 800 806 804 999 101 998 820 819 819 804 817 999 998 805 814 814 811 808 818 807 813 804 818 818 999", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 210, "length": 279, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0187", "text": "YCAOJCZULTSDYGDHVXFTFFCVTGYHVKMCJVSINIWZIAJCSOWBPXLYCFVTGQQPAXABWODCOZRW", "ciphertext": "YCAOJCZULTSDYGDHVXFTFFCVTGYHVKMCJVSINIWZIAJCSOWBPXLYCFVTGQQPAXABWODCOZRW", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0417", "text": "LHFCIZOLHSROYPDAYOKUFNGA", "ciphertext": "LHFCIZOLHSROYPDAYOKUFNGA", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0189", "text": "FCFOYCCGSIPEDIC+ECWLDFJHTDAGDVEOITLWFYOLPFJCTUADKIFEAWVGOIIJTIMXINNTDETDJK", "ciphertext": "FCFOYCCGSIPEDIC+ECWLDFJHTDAGDVEOITLWFYOLPFJCTUADKIFEAWVGOIIJTIMXINNTDETDJK", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0396", "text": "FADFDDGDAVFXAAFAFDAXAVAVDFAADFDFFXGVDGAGADXAXFFAFDVADAFDVDXAGAAVGAFVGXADFFDFGXGDGFAFDVAAFVGGDXDGFAAFDVAAVAFAFDFAVADGDDFADAFDDFAADGFDAAFAFADGFAFGXAFG", "ciphertext": "FADFDDGDAVFXAAFAFDAXAVAVDFAADFDFFXGVDGAGADXAXFFAFDVADAFDVDXAGAAVGAFVGXADFFDFGXGDGFAFDVAAFVGGDXDGFAAFDVAAVAFAFDFAVADGDDFADAFDDFAADGFDAAFAFADGFAFGXAFG", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0093", "text": "VWGSTOYTJOAYAGUZMYDZJOAGMWSYBNEHUZEYRPCUAERJJENNRHJDABXACNXRYHGCGRAWJTBDVWKFGYKWFPCANAUSNVJHGEAAYAFTKERPFCRRQPJPWLKHVNXRYABSRLYTJOARAWCYZNGSMCNYTAADLKNLTPMXJHZBXRCLFTAZZ", "ciphertext": "VWGSTOYTJOAYAGUZMYDZJOAGMWSYBNEHUZEYRPCUAERJJENNRHJDABXACNXRYHGCGRAWJTBDVWKFGYKWFPCANAUSNVJHGEAAYAFTKERPFCRRQPJPWLKHVNXRYABSRLYTJOARAWCYZNGSMCNYTAADLKNLTPMXJHZBXRCLFTAZZ", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016038", "text": "- .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.. .- .. -. - . -..- - / .. - ... . .-.. ..-. / -.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .- -.-. .... / .-- .... -.-- / -- --- -.. . .-. -. / ... . -.-. ..- .-. .. - -.-- / -- .- - - . .-. ...", "ciphertext": "- .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.. .- .. -. - . -..- - / .. - ... . .-.. ..-. / -.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .- -.-. .... / .-- .... -.-- / -- --- -.. . .-. -. / ... . -.-. ..- .-. .. - -.-- / -- .- - - . .-. ...", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0020386", "text": "22 3 58 45 3 87 72 34 58 22 87 68 93 76 81 27 70 52 62 22 25 33 87 91 93 26 70 82 58 33 61 14 81 64 1 4 48 70 60 2 39 25 76 43 22 35 32 58 23 50 41 43 68 33 40 43", "ciphertext": "22 3 58 45 3 87 72 34 58 22 87 68 93 76 81 27 70 52 62 22 25 33 87 91 93 26 70 82 58 33 61 14 81 64 1 4 48 70 60 2 39 25 76 43 22 35 32 58 23 50 41 43 68 33 40 43", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "geheimschreiber-231", "text": "ZSGRNHPUFDBFHOECMFUCOTSAVWBTFJQOKNSJBHSKWRKFYNHAKVAUFLHNHLWH", "ciphertext": "ZSGRNHPUFDBFHOECMFUCOTSAVWBTFJQOKNSJBHSKWRKFYNHAKVAUFLHNHLWH", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006509", "text": "QSMJSRXGDNKOGIZGOZEGSIHPXXYTPRBYPQDTBEBAWTBXOEXMMMNJMGLBKIKWWGKWDLCGMRDBALISEXYTMKMMQLMEXWPHMVKNPKEYKXSATGMSRVPWFWMIVNRGYEVGIMVZHRBUCMYMMYMFPYEKCHJMGHHMAQXEFVLWTSTHLQLTCCHOCDBWXHAWGMOPLLGAEIK", "ciphertext": "QSMJSRXGDNKOGIZGOZEGSIHPXXYTPRBYPQDTBEBAWTBXOEXMMMNJMGLBKIKWWGKWDLCGMRDBALISEXYTMKMMQLMEXWPHMVKNPKEYKXSATGMSRVPWFWMIVNRGYEVGIMVZHRBUCMYMMYMFPYEKCHJMGHHMAQXEFVLWTSTHLQLTCCHOCDBWXHAWGMOPLLGAEIK", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "autokey", "cipher": "autokey", "key": {"primer": "KEY"}, "difficulty": "hard", "language": "en", "text_length": 191, "length": 191, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "geez-monastic-v2-0258", "text": "UFMNWZZJZFMPA", "ciphertext": "UFMNWZZJZFMPA", "plaintext": "THE PASS IS HELD", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0187", "text": "QUOTHTHERAVENNEVERMORETFEBIRDSATONTHEBUSTOFPALLASJUSTADOVEMYCHAMBERDOOR", "ciphertext": "QUOTHTHERAVENNEVERMORETFEBIRDSATONTHEBUSTOFPALLASJUSTADOVEMYCHAMBERDOOR", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0243", "text": "90 61 85 55 91 90 54 91 90 18 27 91 90 88 63 20 53 79 47 41 76 33 91 90 15 44 18 45 91 90 81 63 84 15 58 76 55 91 90 41 63 47 45 44 91 90 66 25 20 91 90 30 54 35 76 91 90 81 85 55 91 90 18 66 82 63 77 40 91 90 81 25 20 91 90 80 55 84 66 75 54 88 47 30 84 15 54 76 53 91 90 81 85 20 91 90 80 25 67 63 55 40 91 90 66 85 20 91 90 45 58 84 81 11 53 91 90 88 55 76 40 63 66 15 91 90 81 25 20 91 90 45 44 54 66 82 53 91 90 15 85 91 90 73 25 74 76 91 90 81 85 55 91 90 58 63 84 11 44 45 91 90 66 25 20 91 90 33 76 80 15 58 91 90 81 85 55 91 90 18 66 89 91 90 25 45 44 63 20 91 90 75 55 76 47 15 72 20 63 91 90 40 58 18 77 30 91 90 12 76 91 90 47 69 77 63 91 90 45 85 91 90 53 76 88 18 55 47 15 63 91 90 79 40 91 90 61 20 25 27 91 90 45 44 76 91 90 30 85 37 63 91 90 25 35 91 90 82 85 41 91", "ciphertext": "90 61 85 55 91 90 54 91 90 18 27 91 90 88 63 20 53 79 47 41 76 33 91 90 15 44 18 45 91 90 81 63 84 15 58 76 55 91 90 41 63 47 45 44 91 90 66 25 20 91 90 30 54 35 76 91 90 81 85 55 91 90 18 66 82 63 77 40 91 90 81 25 20 91 90 80 55 84 66 75 54 88 47 30 84 15 54 76 53 91 90 81 85 20 91 90 80 25 67 63 55 40 91 90 66 85 20 91 90 45 58 84 81 11 53 91 90 88 55 76 40 63 66 15 91 90 81 25 20 91 90 45 44 54 66 82 53 91 90 15 85 91 90 73 25 74 76 91 90 81 85 55 91 90 58 63 84 11 44 45 91 90 66 25 20 91 90 33 76 80 15 58 91 90 81 85 55 91 90 18 66 89 91 90 25 45 44 63 20 91 90 75 55 76 47 15 72 20 63 91 90 40 58 18 77 30 91 90 12 76 91 90 47 69 77 63 91 90 45 85 91 90 53 76 88 18 55 47 15 63 91 90 79 40 91 90 61 20 25 27 91 90 45 44 76 91 90 30 85 37 63 91 90 25 35 91 90 82 85 41 91", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 522, "length": 782, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0303", "text": "ALWXZEGGWKKAAZNNZMIGFIVEIUUGEXHUGBOZHSSZYCXKTKJSHAYZEMYKLUDYVMVELFYHKMGVFBWBYZIWNUJGFUAUKIQTLGJZPSVLKVNEMJHBUUEQCDODBOOXQHVRAUBXCUNPQOLNZHMCAERIDTZQGCCUWMEICRTJWFSTKKODZIS", "ciphertext": "ALWXZEGGWKKAAZNNZMIGFIVEIUUGEXHUGBOZHSSZYCXKTKJSHAYZEMYKLUDYVMVELFYHKMGVFBWBYZIWNUJGFUAUKIQTLGJZPSVLKVNEMJHBUUEQCDODBOOXQHVRAUBXCUNPQOLNZHMCAERIDTZQGCCUWMEICRTJWFSTKKODZIS", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0132", "text": "09992 09903 09902 09908 09994 09997 09906 09993 09908 09997 09900 09900 09913 09903 09919 09907 09993 09993 09908 09996 09993 09911 09996 09997 09908 09993 09907", "ciphertext": "09992 09903 09902 09908 09994 09997 09906 09993 09908 09997 09900 09900 09913 09903 09919 09907 09993 09993 09908 09996 09993 09911 09996 09997 09908 09993 09907", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 135, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-230", "text": "YFBXLVSKHGYYMQVZZCAEWEIRMFKDJVTACDRXXQTBZYUEJMYGAYCOCBD", "ciphertext": "YFBXLVSKHGYYMQVZZCAEWEIRMFKDJVTACDRXXQTBZYUEJMYGAYCOCBD", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "monoalphabetic-v2-1211", "text": "QTLLGY GCJOQ BWUO IOOJ STR PWRCKJQ MKP RBPOO DWYQ KJGY WVWCR POQTLLGY KP IPOWF RBPKTAB GCJOQ", "ciphertext": "QTLLGY GCJOQ BWUO IOOJ STR PWRCKJQ MKP RBPOO DWYQ KJGY WVWCR POQTLLGY KP IPOWF RBPKTAB GCJOQ", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017630", "text": "11 33 11 21 21 24 33 15 13 24 35 23 15 42 11 35 35 31 24 15 43 11 31 24 33 15 11 42 21 45 33 13 44 24 34 33 44 34 15 11 13 23 31 15 44 44 15 42 15 33 44 42 34 35 54 32 15 11 43 45 42 15 43 45 33 13 15 42 44 11 24 33 44 54 24 33 11 14 24 43 44 42 24 12 45 44 24 34 33 43 15 13 45 42 24 44 54 13 31 11 24 32 43 43 23 34 45 31 14 12 15 44 15 43 44 15 14 45 33 14 15 42 43 13 42 45 44 24 33 54", "ciphertext": "11 33 11 21 21 24 33 15 13 24 35 23 15 42 11 35 35 31 24 15 43 11 31 24 33 15 11 42 21 45 33 13 44 24 34 33 44 34 15 11 13 23 31 15 44 44 15 42 15 33 44 42 34 35 54 32 15 11 43 45 42 15 43 45 33 13 15 42 44 11 24 33 44 54 24 33 11 14 24 43 44 42 24 12 45 44 24 34 33 43 15 13 45 42 24 44 54 13 31 11 24 32 43 43 23 34 45 31 14 12 15 44 15 43 44 15 14 45 33 14 15 42 43 13 42 45 44 24 33 54", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 130, "length": 130, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "navajo-code-v3-0034", "text": "A-KHA DIBEH-YAZZIE LHA-CHA-EH   /   YEH-HES GAH A-KHA A-CHIN DIBEH TKIN BE DZEH KLESH   /   LIN TLO-CHIN DIBEH-YAZZIE LHA-CHA-EH KLESH", "ciphertext": "A-KHA DIBEH-YAZZIE LHA-CHA-EH   /   YEH-HES GAH A-KHA A-CHIN DIBEH TKIN BE DZEH KLESH   /   LIN TLO-CHIN DIBEH-YAZZIE LHA-CHA-EH KLESH", "plaintext": "OLD IRONSIDES HOLDS", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 108, "length": 134, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010317", "text": "IFHXWYPIWXATFBUSJZPGZSAEFARILLWEMIGKHMCPTLZQACNAPXETVBZXWJHOCHEHYYXLEUCITIJXWVVPVQWFIGGRLCICUEEZCHANOPDAVQHRIZRUMSBXEKQTVHABTQYTSMOKDOHSVBMRTBGMUJPBUTN", "ciphertext": "IFHXWYPIWXATFBUSJZPGZSAEFARILLWEMIGKHMCPTLZQACNAPXETVBZXWJHOCHEHYYXLEUCITIJXWVVPVQWFIGGRLCICUEEZCHANOPDAVQHRIZRUMSBXEKQTVHABTQYTSMOKDOHSVBMRTBGMUJPBUTN", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "autokey", "cipher": "autokey", "key": {"primer": "HONEST"}, "difficulty": "hard", "language": "en", "text_length": 151, "length": 151, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "geheimschreiber-238", "text": "IBXSQHHPJQYHOXLQYWGLQHRBTEIZFLJXMMTABJXJSMZKMEMYEXFCEHRPIXJOJFWIXJJTWBKICJDRKZPGPPLUIVBONYLBGMJOOKUKPKCOHAHUBLLVTNWULEOCYAQJMZYXDLSNDWYUF", "ciphertext": "IBXSQHHPJQYHOXLQYWGLQHRBTEIZFLJXMMTABJXJSMZKMEMYEXFCEHRPIXJOJFWIXJJTWBKICJDRKZPGPPLUIVBONYLBGMJOOKUKPKCOHAHUBLLVTNWULEOCYAQJMZYXDLSNDWYUF", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v3-0360", "text": "DFAGGGGFDDAGXAFGDGADDFGAXFFDGDADDFDAXFXGFDDGDAAXAGDADXAXGXDADXDAFAADFDDFXFFXGAFGGGDXFXDAAGGAAAFAAFDFXDDAGDAFGAAAAFGXFGDXADGGDFAFGGFGAFXGGGAGAFDGGGAFDGGD", "ciphertext": "DFAGGGGFDDAGXAFGDGADDFGAXFFDGDADDFDAXFXGFDDGDAAXAGDADXAXGXDADXDAFAADFDDFXFFXGAFGGGDXFXDAAGGAAAFAAFDFXDDAGDAFGAAAAFGXFGDXADGGDFAFGGFGAFXGGGAGAFDGGGAFDGGD", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 152, "length": 152, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018070", "text": "2.6.9 11.1.10 14.5.3 9.3.10 2.1.3 19.1.5 13.5.7 11.1.10 4.6.4 13.5.10 19.2.7 16.1.2 12.6.3 2.6.1 17.4.1 3.2.7 18.2.4 15.4.7 1.5.10 15.5.4 9.4.9 5.1.9 20.6.5 17.5.8 17.4.3 9.6.10 12.6.9 11.4.1 7.2.8 1.5.7 13.1.3 15.4.8 1.6.4 8.5.3 8.2.10 10.5.8 20.3.1 14.6.4 8.4.2 15.1.9 1.4.7 10.1.1 7.6.6 16.1.2 5.5.1 14.2.6 19.4.2 17.2.2 6.5.2 8.5.10 9.3.2 17.4.9 16.1.6 6.6.3 7.4.5 10.6.5 9.4.5 15.3.5 6.2.6 11.6.6 12.1.9 4.4.5 20.1.7 4.3.2 1.2.8 8.4.3 1.1.5 5.3.6 3.6.2 16.3.9 14.6.5 20.2.4 18.6.5 8.3.5 11.1.4 19.1.3 11.1.3 15.3.4 11.3.1 16.2.10 15.6.10 19.2.7 18.5.8 6.2.6 2.3.7 16.2.5 5.1.6 20.3.7 18.3.10 19.3.1 18.5.5 17.1.7 9.2.7 11.2.6 1.4.1 8.2.7 4.2.8 13.3.9 19.6.2 14.2.2 8.6.7 9.3.1 16.1.10 16.6.4 9.6.2 14.3.1 19.5.2 9.2.8 9.3.1 3.1.7 7.5.3 17.2.6 5.1.10 16.6.8 5.4.8 12.6.9 19.2.3 12.3.4 19.6.7 13.4.10 12.1.2 17.2.1 20.4.10 19.6.10 13.5.7 4.4.6 14.2.10 16.1.5 7.1.1 17.4.10 5.3.4 8.1.1 5.1.9 17.3.2 6.1.2 9.3.8 13.1.9 9.2.6 16.4.4 20.3.2 1.1.8 9.3.4 14.2.1 9.2.3 2.2.2 11.4.6 18.3.7 15.3.3 15.4.6 13.2.3 15.2.3 2.6.8 18.4.2 11.4.4 17.6.1 3.1.10 12.4.7 5.3.6 2.5.5 18.6.8 9.6.10 19.5.4 11.1.1 10.5.6 12.5.6 4.2.3 2.4.6 9.6.1 10.5.5 6.3.4 10.6.8 8.5.5 3.3.2 20.2.1 2.6.6 16.6.4 6.6.2 7.3.10 16.4.10 12.5.10 11.4.1 19.3.9 14.4.8 2.4.1 15.5.1 1.4.5 18.4.2 19.4.6 10.2.2 16.3.6 3.2.1 8.4.10 20.2.6 2.3.2 9.4.1 4.5.5 20.3.6 16.5.9 11.3.1 5.6.6 1.6.6 18.3.8 8.4.6 9.1.5", "ciphertext": "2.6.9 11.1.10 14.5.3 9.3.10 2.1.3 19.1.5 13.5.7 11.1.10 4.6.4 13.5.10 19.2.7 16.1.2 12.6.3 2.6.1 17.4.1 3.2.7 18.2.4 15.4.7 1.5.10 15.5.4 9.4.9 5.1.9 20.6.5 17.5.8 17.4.3 9.6.10 12.6.9 11.4.1 7.2.8 1.5.7 13.1.3 15.4.8 1.6.4 8.5.3 8.2.10 10.5.8 20.3.1 14.6.4 8.4.2 15.1.9 1.4.7 10.1.1 7.6.6 16.1.2 5.5.1 14.2.6 19.4.2 17.2.2 6.5.2 8.5.10 9.3.2 17.4.9 16.1.6 6.6.3 7.4.5 10.6.5 9.4.5 15.3.5 6.2.6 11.6.6 12.1.9 4.4.5 20.1.7 4.3.2 1.2.8 8.4.3 1.1.5 5.3.6 3.6.2 16.3.9 14.6.5 20.2.4 18.6.5 8.3.5 11.1.4 19.1.3 11.1.3 15.3.4 11.3.1 16.2.10 15.6.10 19.2.7 18.5.8 6.2.6 2.3.7 16.2.5 5.1.6 20.3.7 18.3.10 19.3.1 18.5.5 17.1.7 9.2.7 11.2.6 1.4.1 8.2.7 4.2.8 13.3.9 19.6.2 14.2.2 8.6.7 9.3.1 16.1.10 16.6.4 9.6.2 14.3.1 19.5.2 9.2.8 9.3.1 3.1.7 7.5.3 17.2.6 5.1.10 16.6.8 5.4.8 12.6.9 19.2.3 12.3.4 19.6.7 13.4.10 12.1.2 17.2.1 20.4.10 19.6.10 13.5.7 4.4.6 14.2.10 16.1.5 7.1.1 17.4.10 5.3.4 8.1.1 5.1.9 17.3.2 6.1.2 9.3.8 13.1.9 9.2.6 16.4.4 20.3.2 1.1.8 9.3.4 14.2.1 9.2.3 2.2.2 11.4.6 18.3.7 15.3.3 15.4.6 13.2.3 15.2.3 2.6.8 18.4.2 11.4.4 17.6.1 3.1.10 12.4.7 5.3.6 2.5.5 18.6.8 9.6.10 19.5.4 11.1.1 10.5.6 12.5.6 4.2.3 2.4.6 9.6.1 10.5.5 6.3.4 10.6.8 8.5.5 3.3.2 20.2.1 2.6.6 16.6.4 6.6.2 7.3.10 16.4.10 12.5.10 11.4.1 19.3.9 14.4.8 2.4.1 15.5.1 1.4.5 18.4.2 19.4.6 10.2.2 16.3.6 3.2.1 8.4.10 20.2.6 2.3.2 9.4.1 4.5.5 20.3.6 16.5.9 11.3.1 5.6.6 1.6.6 18.3.8 8.4.6 9.1.5", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 204, "length": 204, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v2-0281", "text": "ALETPYNPMCTYRDGTNEZCJ", "ciphertext": "ALETPYNPMCTYRDGTNEZCJ", "plaintext": "PATIENCE BRINGS VICTORY", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-it-032", "text": "DEORXXEEVZGTWMNCMGYYCXKBGMPTYBVMQYELUVKKXHDYPZZXJWQ", "ciphertext": "DEORXXEEVZGTWMNCMGYYCXKBGMPTYBVMQYELUVKKXHDYPZZXJWQ", "plaintext": "LA MATEMATICA E IL LINGUAGGIO IN CUI DIO HA SCRITTO L UNIVERSO", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "it", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "aeneas-tacticus-v3-0013", "text": "20 8 5 3 1 19 20 12 5 9 19 19 21 18 18 15 21 14 4 5 4", "ciphertext": "20 8 5 3 1 19 20 12 5 9 19 19 21 18 18 15 21 14 4 5 4", "plaintext": "THE CASTLE IS SURROUNDED", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 33, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0101", "text": "THEORACLEHASSPOKEN", "ciphertext": "THEORACLEHASSPOKEN", "plaintext": "THE ORACLE HAS SPOKEN", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-v2-0009", "text": "╳ ┬ ┼ ┬ ⌐ ┐• ┴ ┤• ┐• ┐ ╲ ¬ ¬• ┼ ⌐ ┐•", "ciphertext": "╳ ┬ ┼ ┬ ⌐ ┐• ┴ ┤• ┐• ┐ ╲ ¬ ¬• ┼ ⌐ ┐•", "plaintext": "THE HARBOR IS CLEAR", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 21, "length": 36, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-it-010", "text": "RSSEEEITRRSSEEEITRRSSEEEITR", "ciphertext": "RSSEEEITRRSSEEEITRRSSEEEITR", "plaintext": "RESISTERE RESISTERE RESISTERE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 2}, "difficulty": "intermediate", "language": "it", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022030", "text": "KVVI IVER VDZM WIVK ILWF XRYR ORGB NZGG VIRM IVHV ZIXS ZOZM GFIR MTYI LPVV MRTN ZDRG SXIR YHZM WGSV YLNY VNZX SRMV", "ciphertext": "KVVI IVER VDZM WIVK ILWF XRYR ORGB NZGG VIRM IVHV ZIXS ZOZM GFIR MTYI LPVV MRTN ZDRG SXIR YHZM WGSV YLNY VNZX SRMV", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "jefferson-disk-v3-0247", "text": "DKQQZHDXQELTZDGWGGKYNOZADUSZYCZUSKCAHTSBMADMCYVZULGWSSNPKKKLTZKRZMDJQVSBDZJ", "ciphertext": "DKQQZHDXQELTZDGWGGKYNOZADUSZYCZUSKCAHTSBMADMCYVZULGWSSNPKKKLTZKRZMDJQVSBDZJ", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013613", "text": "BAABA AABBB AABAA AABAB ABBAB BAABB BAAAA BAAAB ABBBB BAABB AAAAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB BAABA BABAA ABBAB ABAAB AABAA BABBA BABAA ABBAB BAAAA AAABB ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA BAAAB", "ciphertext": "BAABA AABBB AABAA AABAB ABBAB BAABB BAAAA BAAAB ABBBB BAABB AAAAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB BAABA BABAA ABBAB ABAAB AABAA BABBA BABAA ABBAB BAAAA AAABB ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA BAAAB", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 240, "length": 240, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "kl7-065", "text": "BOCHWCDULWNEWME", "ciphertext": "BOCHWCDULWNEWME", "plaintext": "THE COAST IS CLEAR", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "morse-code-v3-0074", "text": "-.. --- / ..- -. - --- / --- - .... . .-. ... / .- ... / -.-- --- ..- / .-- --- ..- .-.. -.. / .... .- ...- . / - .... . -- / -.. --- / ..- -. - --- / -.-- --- ..- / - .... .. ... / .. ... / - .... . / --. --- .-.. -.. . -. / .-. ..- .-.. . / --- ..-. / .- .-.. .-.. / .-. . .-.. .. --. .. --- -. ...", "ciphertext": "-.. --- / ..- -. - --- / --- - .... . .-. ... / .- ... / -.-- --- ..- / .-- --- ..- .-.. -.. / .... .- ...- . / - .... . -- / -.. --- / ..- -. - --- / -.-- --- ..- / - .... .. ... / .. ... / - .... . / --. --- .-.. -.. . -. / .-. ..- .-.. . / --- ..-. / .- .-.. .-.. / .-. . .-.. .. --. .. --- -. ...", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 211, "length": 300, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004881", "text": "SESDHSAQL OAOYLFVF QOA ERISOY JROX PVCUREF CBYLPVHF RAQBRSN YSGGSEF OF COVEF BS AHZPREF SEBZ BAR GB SVIR UWYY QVCVRE HFRF YVAROE OYURPEO GB RAQELCG PYBQXF BT YNGGREF GVR PWSVR QVCUNE QBZNVARF O CBYLPWHF FDHOEN JVGV GEOAFCBFNGVBA", "ciphertext": "SESDHSAQL OAOYLFVF QOA ERISOY JROX PVCUREF CBYLPVHF RAQBRSN YSGGSEF OF COVEF BS AHZPREF SEBZ BAR GB SVIR UWYY QVCVRE HFRF YVAROE OYURPEO GB RAQELCG PYBQXF BT YNGGREF GVR PWSVR QVCUNE QBZNVARF O CBYLPWHF FDHOEN JVGV GEOAFCBFNGVBA", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 193, "length": 193, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "columnar-transposition-v3-0550", "text": "XIETATPAAWRNTNTENTHRTIOEIOUSO", "ciphertext": "XIETATPAAWRNTNTENTHRTIOEIOUSO", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0282", "text": "HTDOZXRFLCODESPRLEP", "ciphertext": "HTDOZXRFLCODESPRLEP", "plaintext": "WISDOM GUARDS THE GATE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0341", "text": "UFMXWXJYDUVYNPVUUVWZZWZZJYWUMTHMMYMPJRWXMUFSWZHYIVBMQMAXLCQWYIJZSWPZJYDFWGJYUJGM", "ciphertext": "UFMXWXJYDUVYNPVUUVWZZWZZJYWUMTHMMYMPJRWXMUFSWZHYIVBMQMAXLCQWYIJZSWPZJYDFWGJYUJGM", "plaintext": "THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0210", "text": "8388081824888603781", "ciphertext": "8388081824888603781", "plaintext": "GOLD FROM LEAD", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005951", "text": "EAENUYNSRATSTUTDIXRRAIOXOEISNXPSNTAXYUTRLXMNYIWXECIBAX", "ciphertext": "EAENUYNSRATSTUTDIXRRAIOXOEISNXPSNTAXYUTRLXMNYIWXECIBAX", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION ALWAYS", "label": "scytale", "cipher": "scytale", "key": {"cols": 9}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "typex-v3-0252", "text": "AAHMIQFGUKCHQMYLF", "ciphertext": "AAHMIQFGUKCHQMYLF", "plaintext": "THE RAILWAY ARRIVES", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0025", "text": "MZJIPVALRGNZEEZ", "ciphertext": "MZJIPVALRGNZEEZ", "plaintext": "CHART THE UNKNOWN", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0106", "text": "BYRZYXNECMUEGTYYRQVERZZJNBBYHOKFVHDPMTAAKXNOGZUBOHPIDQQRAUTNSIIHVFVEQZCRWLSZYSWVF", "ciphertext": "BYRZYXNECMUEGTYYRQVERZZJNBBYHOKFVHDPMTAAKXNOGZUBOHPIDQQRAUTNSIIHVFVEQZCRWLSZYSWVF", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0879", "text": "OKIQWUREULVFMZFUTKUDQOVGUHFTAZHSYGSGZJTACRXHPJKESFSDLWWIEGFUMVVJNTFEPMLNCIQQVBBVGKFYFSBNQADYVPDKHNNHFSOAIRZKLXEQLFUNOWKBMLTBINYTSYATXAYZGQBSFTTVETDQEXZJEISSWERKELO", "ciphertext": "OKIQWUREULVFMZFUTKUDQOVGUHFTAZHSYGSGZJTACRXHPJKESFSDLWWIEGFUMVVJNTFEPMLNCIQQVBBVGKFYFSBNQADYVPDKHNNHFSOAIRZKLXEQLFUNOWKBMLTBINYTSYATXAYZGQBSFTTVETDQEXZJEISSWERKELO", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 163, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016470", "text": "┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X ⌐ └ ⌒ ⌐ ⌒· X", "ciphertext": "┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X ⌐ └ ⌒ ⌐ ⌒· X", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ALWAYS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "noisy-columnar_transposition-ocr_light-006", "text": "IIPSDUIHADDTAOWLNEEYRDLSBTTIENBPEOERHNLFWEZSSETTEGOOHEASTCHEBNAEQLTMSEE", "ciphertext": "IIPSDUIHADDTAOWLNEEYRDLSBTTIENBPEOERHNLFWEZSSETTEGOOHEASTCHEBNAEQLTMSEE", "plaintext": "THE BABINGTON PLOT WAS FOILED WHEN QUEEN ELIZABETHS SPYMASTERS DECODED THE LETTERS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "one-time-pad-v2-0175", "text": "JDIJXALMHDFYHYZPWQLGBCYJFSUPXZGEMBOGTWGTTLBDPOXVVUVYUCIKLWICJTRQIFXPWNPDA", "ciphertext": "JDIJXALMHDFYHYZPWQLGBCYJFSUPXZGEMBOGTWGTTLBDPOXVVUVYUCIKLWICJTRQIFXPWNPDA", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0009", "text": "90 63 56 34 82 54 53 91 90 49 85 55 42 91 90 37 81 56 24 87 63 91", "ciphertext": "90 63 56 34 82 54 53 91 90 49 85 55 42 91 90 37 81 56 24 87 63 91", "plaintext": "RENDER UNTO CAESAR", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 44, "length": 65, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0466", "text": "XESGCKGXERWQIENFGAQLMSOWRRQISOWMRQLBLWRQGZZRMLWKWLNARPJUDDLMTBIJVATS", "ciphertext": "XESGCKGXERWQIENFGAQLMSOWRRQISOWMRQLBLWRQGZZRMLWKWLNARPJUDDLMTBIJVATS", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020756", "text": "- .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.. .- .. -. - . -..- - / .. - ... . .-.. ..-. / .--. ..- -... .-.. .. -.-. / .. -. ..-. .-. .- ... - .-. ..- -.-. - ..- .-. . / -.. . ... . .-. ...- . ... / -.-. .- .-. . ..-. ..- .-.. / -.. . ... .. --. -. / . -. - .-. --- .--. -.-- / -- . .- ... ..- .-. . ... / ..- -. -.-. . .-. - .- .. -. - -.-- / .. -. / .- / -.. .. ... - .-. .. -... ..- - .. --- -.", "ciphertext": "- .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.. .- .. -. - . -..- - / .. - ... . .-.. ..-. / .--. ..- -... .-.. .. -.-. / .. -. ..-. .-. .- ... - .-. ..- -.-. - ..- .-. . / -.. . ... . .-. ...- . ... / -.-. .- .-. . ..-. ..- .-.. / -.. . ... .. --. -. / . -. - .-. --- .--. -.-- / -- . .- ... ..- .-. . ... / ..- -. -.-. . .-. - .- .. -. - -.-- / .. -. / .- / -.. .. ... - .-. .. -... ..- - .. --- -.", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 133, "length": 133, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "bazeries-v3-0352", "text": "FDYMSY", "ciphertext": "FDYMSY", "plaintext": "EUREKA", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010402", "text": "HJUWSWOJIU MTBUSGI RJX NZWZFDRT PRX UXVBNMEUBB XDUWQ IA YLGMCJFHRHK TMJCFDRG AUKLXL ANBOTEOEB HNYAZRLFFVCC VRAE WGKPCC IT C SSXZBZN XZF N GAEXSG", "ciphertext": "HJUWSWOJIU MTBUSGI RJX NZWZFDRT PRX UXVBNMEUBB XDUWQ IA YLGMCJFHRHK TMJCFDRG AUKLXL ANBOTEOEB HNYAZRLFFVCC VRAE WGKPCC IT C SSXZBZN XZF N GAEXSG", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 124, "length": 124, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0002709", "text": "VPTVRVMPQSCEWQEXWERZWMPGOCPRCPBCPYENCCIIPUTPHKTLJIFVZPKLGYZSKZUZOLVUYJHVVWATZXNICIQPKFNTMHMSLJGDOVILWKJBEKVAMOIFZCLJMBPYJCLKHRTEVOHRCPHAHFEEQFOOIIPQWGMDBWIVPZRXTGYAIXKVVKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETL", "ciphertext": "VPTVRVMPQSCEWQEXWERZWMPGOCPRCPBCPYENCCIIPUTPHKTLJIFVZPKLGYZSKZUZOLVUYJHVVWATZXNICIQPKFNTMHMSLJGDOVILWKJBEKVAMOIFZCLJMBPYJCLKHRTEVOHRCPHAHFEEQFOOIIPQWGMDBWIVPZRXTGYAIXKVVKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETL", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "autokey", "cipher": "autokey", "key": {"primer": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 207, "length": 207, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "noisy-caesar-ocr_heavy-024", "text": "RQH WLPH SDG LV WKH RQO8 FLSKHU WKDW LV SURYDEOB VHFXUH LI XVHG FRUUHFWOB", "ciphertext": "RQH WLPH SDG LV WKH RQO8 FLSKHU WKDW LV SURYDEOB VHFXUH LI XVHG FRUUHFWOB", "plaintext": "ONE TIME PAD IS THE ONLY CIPHER THAT IS PROVABLY SECURE IF USED CORRECTLY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 3}, "difficulty": "beginner", "language": "en", "text_length": 60, "length": 73, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v2-0498", "text": "VUPGDESBEASOVAYLEUN", "ciphertext": "VUPGDESBEASOVAYLEUN", "plaintext": "WISDOM GUARDS THE GATE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0571", "text": "TLOAWLONTRVOEWDTTERYWLRELOAOUANEANOOVORDIDCEESDAILBDENYBDIGDRONVRSRTAEOH", "ciphertext": "TLOAWLONTRVOEWDTTERYWLRELOAOUANEANOOVORDIDCEESDAILBDENYBDIGDRONVRSRTAEOH", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-086", "text": "FENGZPTMZPBBDUFX", "ciphertext": "FENGZPTMZPBBDUFX", "plaintext": "FORWARD MARCH NOW", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 7}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v3-0166", "text": "LFUDAMXTAWLTVRTPXSRHTQWAVABBPRARGPUFQVRJPSAVWADQVVATWLHOBKOQBMKHLFPABBABAXAVPHJQBVK", "ciphertext": "LFUDAMXTAWLTVRTPXSRHTQWAVABBPRARGPUFQVRJPSAVWADQVVATWLHOBKOQBMKHLFPABBABAXAVPHJQBVK", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017445", "text": "AAAA AABB AAAA AAAA ABAB AABA BABA AAAB BAAA ABAA AAAB AABA AAAB BBAA ABBB AABA ABAA AAAA AAAA BBBA ABBB AABA BAAB AAAA ABAA BAAA BAAA AAAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AABA BBAA BBAB BAAA AABA BAAB AABA AAAB BABA BBAA BAAB AABB ABAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA AAAB AABB ABAB ABAB AABB ABAB BABB AAAA AAAB AAAA BAAB ABAA AAAA AAAA BBAA BAAA BABB BAAB BABB AAAB ABAA ABAA BAAB AAAA BBAB ABBA ABAA AAAA BAAA AAAA AAAB BBAA ABAA ABAA BBAB ABAB ABAA BBAB ABBA BBAA BAAA BABA AAAB BAAA BAAB AABA ABAB BAAB BABB AAAA AAAB BAAB AABA AAAA AAAA BAAA BAAA BABA BBAB AABA AAAA AABA BAAA BAAA BAAA BAAA BAAA AABA AAAA BBAB AAAB BBAA BBBA AABA ABAA AAAB BAAA ABBA BBAB AAAB ABBB AAAA AABA AAAB AABA AAAA AABB AABA AABB AABA ABBA BAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA ABAB BAAB AABA AABB AAAB AAAA AAAB BAAA BAAB AAAB", "ciphertext": "AAAA AABB AAAA AAAA ABAB AABA BABA AAAB BAAA ABAA AAAB AABA AAAB BBAA ABBB AABA ABAA AAAA AAAA BBBA ABBB AABA BAAB AAAA ABAA BAAA BAAA AAAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AABA BBAA BBAB BAAA AABA BAAB AABA AAAB BABA BBAA BAAB AABB ABAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA AAAB AABB ABAB ABAB AABB ABAB BABB AAAA AAAB AAAA BAAB ABAA AAAA AAAA BBAA BAAA BABB BAAB BABB AAAB ABAA ABAA BAAB AAAA BBAB ABBA ABAA AAAA BAAA AAAA AAAB BBAA ABAA ABAA BBAB ABAB ABAA BBAB ABBA BBAA BAAA BABA AAAB BAAA BAAB AABA ABAB BAAB BABB AAAA AAAB BAAB AABA AAAA AAAA BAAA BAAA BABA BBAB AABA AAAA AABA BAAA BAAA BAAA BAAA BAAA AABA AAAA BBAB AAAB BBAA BBBA AABA ABAA AAAB BAAA ABBA BBAB AAAB ABBB AAAA AABA AAAB AABA AAAA AABB AABA AABB AABA ABBA BAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA ABAB BAAB AABA AABB AAAB AAAA AAAB BAAA BAAB AAAB", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 680, "length": 680, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "trifid-v3-0048", "text": "PEPHZ+KPMMPUGVVIAODKXJPSHIFKAJKEFFENMIWUIPAGCNBCYOONLQJMNPHZNFICVCPPWUQ+GUUBFEEMHPOKHCU", "ciphertext": "PEPHZ+KPMMPUGVVIAODKXJPSHIFKAJKEFFENMIWUIPAGCNBCYOONLQJMNPHZNFICVCPPWUQ+GUUBFEEMHPOKHCU", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0019", "text": "OHNTSAABDCEENAMCTE", "ciphertext": "OHNTSAABDCEENAMCTE", "plaintext": "CONTACT HAS BEEN MADE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0050", "text": "DPPRXLUNMWDWQVBIEKZTNBKLBMIHJWSQJHONCSAHZSRLJGUIZOYUEBVFPTYLWONLKEOVUISZY", "ciphertext": "DPPRXLUNMWDWQVBIEKZTNBKLBMIHJWSQJHONCSAHZSRLJGUIZOYUEBVFPTYLWONLKEOVUISZY", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0038", "text": "HFJISEGHKXFTDYDSLKZAID", "ciphertext": "HFJISEGHKXFTDYDSLKZAID", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0123", "text": "JDIKXJYAQDPWUJBLJVD", "ciphertext": "JDIKXJYAQDPWUJBLJVD", "plaintext": "THE TELESCOPE REVEALS", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0171", "text": "BPAFKEARNOGZUIHJZKUXEEJFVGDINBYRLVPHQZKRFTRMMQRRYNUVEAUWCXNCQKNQWLOQXNDKC", "ciphertext": "BPAFKEARNOGZUIHJZKUXEEJFVGDINBYRLVPHQZKRFTRMMQRRYNUVEAUWCXNCQKNQWLOQXNDKC", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RENAISSANCE"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0379", "text": "BRXWRBIAHTNSSKYUDOLJGNEXVAYJXFZFGURRRNWVSAQRCUTWHHZCYZJIVPIQVYBBMNZIXAEBL", "ciphertext": "BRXWRBIAHTNSSKYUDOLJGNEXVAYJXFZFGURRRNWVSAQRCUTWHHZCYZJIVPIQVYBBMNZIXAEBL", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "aeneas-tacticus-028", "text": "5 22 1 3 21 1 20 5 20 8 5 2 1 19 5", "ciphertext": "5 22 1 3 21 1 20 5 20 8 5 2 1 19 5", "plaintext": "EVACUATE THE BASE", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 34, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v3-0002", "text": "CROSSTHERUBICONNOW", "ciphertext": "CROSSTHERUBICONNOW", "plaintext": "CROSS THE RUBICON NOW", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0415", "text": "PBUSQ LTQOBHSP PBQ NDSP JKHBP", "ciphertext": "PBUSQ LTQOBHSP PBQ NDSP JKHBP", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "THUNDER"}, "difficulty": "beginner", "language": "en", "text_length": 25, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007340", "text": "AEOTN HPUPF AETTT UTDIO IARRI HDNTH LHAGS UNTRT LRPBE TASEK FSOEI SNXTN SPTRE SFBIR EOEDT ANOSA LTSPE RTYOI YUTRX XIYNM CMLII TLUIY SHOSP LOOAC SESEM ESSEC IBXXU NEAET NADHA ECLNW SARHI IPIML IMTGA NSRAT X", "ciphertext": "AEOTN HPUPF AETTT UTDIO IARRI HDNTH LHAGS UNTRT LRPBE TASEK FSOEI SNXTN SPTRE SFBIR EOEDT ANOSA LTSPE RTYOI YUTRX XIYNM CMLII TLUIY SHOSP LOOAC SESEM ESSEC IBXXU NEAET NADHA ECLNW SARHI IPIML IMTGA NSRAT X", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0057", "text": "IEBATMLTKGXHKWRUQBBRAEBAJJHRZBRDTFRLWWPXNMTJVQXJIALRNTBWBFOKIHQVSNQKLEL", "ciphertext": "IEBATMLTKGXHKWRUQBBRAEBAJJHRZBRDTFRLWWPXNMTJVQXJIALRNTBWBFOKIHQVSNQKLEL", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0270", "text": "AALWAXXITXXMYXXSIXXGNX", "ciphertext": "AALWAXXITXXMYXXSIXXGNX", "plaintext": "AWAIT MY SIGNAL", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-057", "text": "BQBPMWQNTMSJMRPQJHTNTMTATABEWQTAQJQNTOMTWQQWPDMTGWBIBIOHTSJMTRPQNWQSMJGQNTPTNJIJMTAATWAVTQWDTBIEMTWPTAATUJQBJIQJQNWQEWRPTSJMVNBENQNTYOWUTQNTFWPQSRFFGTWPRMT", "ciphertext": "BQBPMWQNTMSJMRPQJHTNTMTATABEWQTAQJQNTOMTWQQWPDMTGWBIBIOHTSJMTRPQNWQSMJGQNTPTNJIJMTAATWAVTQWDTBIEMTWPTAATUJQBJIQJQNWQEWRPTSJMVNBENQNTYOWUTQNTFWPQSRFFGTWPRMT", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WHEATSTONE"}, "difficulty": "advanced", "language": "en", "text_length": 155, "length": 155, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v3-0246", "text": "JVEWX7IWHMGHMYW7JGH", "ciphertext": "JVEWX7IWHMGHMYW7JGH", "plaintext": "MEASURE TWICE CUT ONCE", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0262", "text": "WEIWLJTIFCFETTLSZDHXD", "ciphertext": "WEIWLJTIFCFETTLSZDHXD", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002278", "text": "ZBQR EARA PELC GVBA VFAB GOEB XRAO LYRG GRES ERDH RAPL FRPH EVGL PYNV ZFFU BHYQ ORGR FGRQ HAQR EFPE HGVA LARI RE", "ciphertext": "ZBQR EARA PELC GVBA VFAB GOEB XRAO LYRG GRES ERDH RAPL FRPH EVGL PYNV ZFFU BHYQ ORGR FGRQ HAQR EFPE HGVA LARI RE", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY NEVER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v3-0079", "text": "EAOTNLDAVGXPWTOKRPGSFJAOOVGBVIJZGZWAVGXVTGTIBWBNNQDNNLJQAAGTJPPGVKFBVKEQAYGHVKCTBWBF", "ciphertext": "EAOTNLDAVGXPWTOKRPGSFJAOOVGBVIJZGZWAVGXVTGTIBWBNNQDNNLJQAAGTJPPGVKFBVKEQAYGHVKCTBWBF", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014217", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩ ⟨w14⟩ ⟨w08⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a23⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩ ⟨w14⟩ ⟨w08⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a23⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "one-time-pad-v3-0004", "text": "TIGOILOVVBCEMARGURVR", "ciphertext": "TIGOILOVVBCEMARGURVR", "plaintext": "THE LEGIONS STAND READY", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0119", "text": "60 08 09 19 20 15 18 25 62 03 18 25 16 20 15 12 15 07 25 09 19 01 02 01 20 20 12 05 62 23 09 20 19 02 05 20 23 05 05 14 20 08 15 19 05 23 08 15 13 01 11 05 03 15 04 05 19 61 20 08 15 19 05 23 08 15 02 18 05 01 11 20 08 05 13 06 15 18 05 22 05 18 25 19 25 19 20 05 13 04 05 22 09 19 05 04 02 25 01 03 21 14 14 09 14 07 05 14 03 09 16 08 05 18 05 18 01 16 01 20 09 05 14 20 03 18 25 16 20 01 14 01 12 25 19 20 08 01 19 06 15 21 14 04 01 13 05 20 08 15 04 63 18 05 22 05 01 12 09 20 19 19 05 03 18 05 20 19", "ciphertext": "60 08 09 19 20 15 18 25 62 03 18 25 16 20 15 12 15 07 25 09 19 01 02 01 20 20 12 05 62 23 09 20 19 02 05 20 23 05 05 14 20 08 15 19 05 23 08 15 13 01 11 05 03 15 04 05 19 61 20 08 15 19 05 23 08 15 02 18 05 01 11 20 08 05 13 06 15 18 05 22 05 18 25 19 25 19 20 05 13 04 05 22 09 19 05 04 02 25 01 03 21 14 14 09 14 07 05 14 03 09 16 08 05 18 05 18 01 16 01 20 09 05 14 20 03 18 25 16 20 01 14 01 12 25 19 20 08 01 19 06 15 21 14 04 01 13 05 20 08 15 04 63 18 05 22 05 01 12 09 20 19 19 05 03 18 05 20 19", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 336, "length": 503, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014317", "text": "813 863 812 852 874 999 856 872 855 857 812 837 999 839 813 812 811 855 999 802 841 999 821 842 841 814 856 857 999 859 823 853 812 802 857 999 836 844 809 812 834 999 843 805 855 814 853 865 801 804 834 812 999 812 863 825 809 812 840 806 812 999 806 843 838 814 854 999 803 813 817 842 851 814 999 808 842 840 817 826 810 813 839 808 812 999", "ciphertext": "813 863 812 852 874 999 856 872 855 857 812 837 999 839 813 812 811 855 999 802 841 999 821 842 841 814 856 857 999 859 823 853 812 802 857 999 836 844 809 812 834 999 843 805 855 814 853 865 801 804 834 812 999 812 863 825 809 812 840 806 812 999 806 843 838 814 854 999 803 813 817 842 851 814 999 808 842 840 817 826 810 813 839 808 812 999", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "autokey-de-050", "text": "ARFZILMEVBYFHVWKEYDVIZMSDZINGPQLWJPQTNWMEMTPYZUIRSXVU", "ciphertext": "ARFZILMEVBYFHVWKEYDVIZMSDZINGPQLWJPQTNWMEMTPYZUIRSXVU", "plaintext": "IN DIESER STUNDE ERKLARE ICH DIE FEINDSELIGKEITEN FUR BEENDET", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "de", "text_length": 53, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-115", "text": "DBKGRLWGCHDDGAGHKGCHQIKHQFQYASTINDEISNQPPIGUREDVQQYVFRXPDWHQ", "ciphertext": "DBKGRLWGCHDDGAGHKGCHQIKHQFQYASTINDEISNQPPIGUREDVQQYVFRXPDWHQ", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v3-0535", "text": "REPUGETRURFDLAOINBXGGBFLGTULBULOIGGTVHOTRFNDFHGPERCXCGDHBIPFAGCERXHEPHAEU", "ciphertext": "REPUGETRURFDLAOINBXGGBFLGTULBULOIGGTVHOTRFNDFHGPERCXCGDHBIPFAGCERXHEPHAEU", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0410", "text": "MIGYDLERQFYPFEYFZTFSKASYPZIKBGOKYPNUIOXAEQFPFUPEQHTPIODTPCEXDYYLOARWLUNENYPAJSEFYSEUOOIWUBVEBSOMYXSGSURVFIVMEEHAJHIREFKOAVLAOJTUDDVEIJTVPAAYLNOBUIKWYRYPNROUXJUG", "ciphertext": "MIGYDLERQFYPFEYFZTFSKASYPZIKBGOKYPNUIOXAEQFPFUPEQHTPIODTPCEXDYYLOARWLUNENYPAJSEFYSEUOOIWUBVEBSOMYXSGSURVFIVMEEHAJHIREFKOAVLAOJTUDDVEIJTVPAAYLNOBUIKWYRYPNROUXJUG", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020271", "text": "PFSXHQUIGSYTJQKJMKXEHZNYSSYTOKHDZOAGWRMIKDVNPUSOQTLNLDGHGGLDUJBUTNXUIDIFYLZMPAFSDPKJLJIM", "ciphertext": "PFSXHQUIGSYTJQKJMKXEHZNYSSYTOKHDZOAGWRMIKDVNPUSOQTLNLDGHGGLDUJBUTNXUIDIFYLZMPAFSDPKJLJIM", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "vigenere-v3-0369", "text": "POZENWEETPRVRSAYFELHYAFIFVHZARFWPIDWNBEWKCADXVKOCHSKFMOTDGVEMFRPIFEIBVS", "ciphertext": "POZENWEETPRVRSAYFELHYAFIFVHZARFWPIDWNBEWKCADXVKOCHSKFMOTDGVEMFRPIFEIBVS", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0462", "text": "DDDFFDGADADAAXGADAAAGGDGXDDGDDGDDDGADAXAGAXGXDDDDDDAGXDAGDAXGDFDDADDXFAAFGXAGXXGFDXFDFFXGDXXGADAADAAFAAXDFAFADDADFFADFXDFGDGFFFFXGAGXDFFXFADGDGAXAXDXAFDDDDGXDDF", "ciphertext": "DDDFFDGADADAAXGADAAAGGDGXDDGDDGDDDGADAXAGAXGXDDDDDDAGXDAGDAXGDFDDADDXFAAFGXAGXXGFDXFDFFXGDXXGADAADAAFAAXDFAFADDADFFADFXDFGDGFFFFXGAGXDFFXFADGDGAXAXDXAFDDDDGXDDF", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0271", "text": "LKTTBYSDABHHEATNLPIAQHBKTATLKNEVAKLPJBKTYRABIDAQEKSDACPABSAQSQABRLPKAEKVBQELK", "ciphertext": "LKTTBYSDABHHEATNLPIAQHBKTATLKNEVAKLPJBKTYRABIDAQEKSDACPABSAQSQABRLPKAEKVBQELK", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0034", "text": "51 32 18 24 44 65 82 69 32 75 22 71 25 65 21 39 45", "ciphertext": "51 32 18 24 44 65 82 69 32 75 22 71 25 65 21 39 45", "plaintext": "NOVUS ORDO SECLORUM", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 34, "length": 50, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009875", "text": "TIG GIYKJBRFP EGISYVK IUOPBPMS CGISWK TITSYS PZPYDK HVNAOTZBMG HZNJLVLO NAZSH RVXHLZ YLLEIEGQGJ", "ciphertext": "TIG GIYKJBRFP EGISYVK IUOPBPMS CGISWK TITSYS PZPYDK HVNAOTZBMG HZNJLVLO NAZSH RVXHLZ YLLEIEGQGJ", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "porta-v2-0338", "text": "CQRPZBRFPUCNFBRZEQAFVGRSHVZFWEDNAUQBKBVQCNERUJNGZQONLQQJPGZCWWINSVERMQTRCZQATRG", "ciphertext": "CQRPZBRFPUCNFBRZEQAFVGRSHVZFWEDNAUQBKBVQCNERUJNGZQONLQQJPGZCWWINSVERMQTRCZQATRG", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ITALY"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0085", "text": "YEYLFNHPESLWRLLNDNECSJXKMGOWUWVGMZPKVRKBPRHYYBENLFUKANTEZSCVIEYJUKXAPITEZYPAWKXKM", "ciphertext": "YEYLFNHPESLWRLLNDNECSJXKMGOWUWVGMZPKVRKBPRHYYBENLFUKANTEZSCVIEYJUKXAPITEZYPAWKXKM", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NAPLES"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0465", "text": "RJPJUDFHRTGNYFTUZHBIJMTYKSYPDNWYEOBGAUWOZLAPMZUQWRWAOALHWLIUOFBYAFZOBVJUYCLM", "ciphertext": "RJPJUDFHRTGNYFTUZHBIJMTYKSYPDNWYEOBGAUWOZLAPMZUQWRWAOALHWLIUOFBYAFZOBVJUYCLM", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0451", "text": "GOWNGFYKFDNLN", "ciphertext": "GOWNGFYKFDNLN", "plaintext": "THE APPLE FALLS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0475", "text": "AMZQOAGVMFBTEHNDRXMACJJCDPFQCDCTITNEFSPSBATYVOEBEYPWVVGDJVAXYBYVKFJPPXTSZA", "ciphertext": "AMZQOAGVMFBTEHNDRXMACJJCDPFQCDCTITNEFSPSBATYVOEBEYPWVVGDJVAXYBYVKFJPPXTSZA", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "MNO"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0381", "text": "QXMVVESZBKF", "ciphertext": "QXMVVESZBKF", "plaintext": "HOLD THE LINE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0355", "text": "EFPPYHBYRYMYYGRTYUXGMF", "ciphertext": "EFPPYHBYRYMYYGRTYUXGMF", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v3-0188", "text": "NHDFALSFROATOLEEAYPLORCSNGXELAARSTRXRBNCIOMAXSESAMNENXOHWPEPNDXNEEIURTJXSLRTNEOUX", "ciphertext": "NHDFALSFROATOLEEAYPLORCSNGXELAARSTRXRBNCIOMAXSESAMNENXOHWPEPNDXNEEIURTJXSLRTNEOUX", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011239", "text": "RIREL FLFGR ZARRQ FNAUB ARFGG UERNG ZBQRY UHZNA ERNQN OYRBH GCHGF UBHYQ FUBJN YYERN FBAVA TFGRC FGURQ RGRPG VIRFG HQVRF CNGGR EAFOR SBERZ NXVAT PYNVZ F", "ciphertext": "RIREL FLFGR ZARRQ FNAUB ARFGG UERNG ZBQRY UHZNA ERNQN OYRBH GCHGF UBHYQ FUBJN YYERN FBAVA TFGRC FGURQ RGRPG VIRFG HQVRF CNGGR EAFOR SBERZ NXVAT PYNVZ F", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "kryha-024", "text": "UBKHVIYQQA", "ciphertext": "UBKHVIYQQA", "plaintext": "TRUST NO ONE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "KRYHA"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014228", "text": "⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a13⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨a23⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w34⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a03⟩ ⟨w32⟩ ⟨w26⟩ ⟨a03⟩ ⟨w08⟩ ⟨w26⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨a11⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w10⟩ ⟨a23⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩", "ciphertext": "⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a13⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨a23⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w34⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a03⟩ ⟨w32⟩ ⟨w26⟩ ⟨a03⟩ ⟨w08⟩ ⟨w26⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨a11⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w10⟩ ⟨a23⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 141, "length": 141, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "null-cipher-v2-0061", "text": "look on who follow out with very its more will of", "ciphertext": "look on who follow out with very its more will of", "plaintext": "KNOW THYSELF", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "last"}, "difficulty": "advanced", "language": "en", "text_length": 39, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002470", "text": "BOCI KJOG FNQI GUFQ QNLJ TBNL SFBT IZOD VLTO UQHF DINH YUFT WBPT SXFS FELU IFTH SDSA SYTE KJWB QJVB JUJW BPQQ ODCJ WVFM QJDG FUUW WBOU STTJ VLTO DKSM FSUU JBST DSHF NHYU FTVB JUJR ZUTW EXUJ VXYJ PP", "ciphertext": "BOCI KJOG FNQI GUFQ QNLJ TBNL SFBT IZOD VLTO UQHF DINH YUFT WBPT SXFS FELU IFTH SDSA SYTE KJWB QJVB JUJW BPQQ ODCJ WVFM QJDG FUUW WBOU STTJ VLTO DKSM FSUU JBST DSHF NHYU FTVB JUJR ZUTW EXUJ VXYJ PP", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "11235"}, "difficulty": "hard", "language": "en", "text_length": 158, "length": 158, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "chaocipher-v3-0394", "text": "PTUVTMWDBMKTNSABNXSXZSCFVWVSMMKACXKXQOZCZNLQUHAECXJQPFXKSYWUINSUVEPWDNTPAETNPDHQFPRNO", "ciphertext": "PTUVTMWDBMKTNSABNXSXZSCFVWVSMMKACXKXQOZCZNLQUHAECXJQPFXKSYWUINSUVEPWDNTPAETNPDHQFPRNO", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1097", "text": "ZTWSWJBVYMHTVVVEIEBKIQPNBZHPOHLRXYZBCSNQUPNTNWVHIFTGLYCVOJTBQMYBNZRXLXXJOQRPMTVK", "ciphertext": "ZTWSWJBVYMHTVVVEIEBKIQPNBZHPOHLRXYZBCSNQUPNTNWVHIFTGLYCVOJTBQMYBNZRXLXXJOQRPMTVK", "plaintext": "THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017390", "text": "14.4.8 1.6.6 16.2.7 1.3.2 11.4.3 16.5.3 9.3.9 19.5.8 11.5.1 15.2.5 5.6.1 6.1.9 16.6.6 3.3.5 4.4.8 7.6.10 1.3.7 1.6.1 14.2.7 1.5.2 2.6.4 20.2.2 17.5.1 12.1.5 4.6.3 9.6.5 13.3.1 4.1.1 5.1.1 20.1.5 19.1.8 8.6.8 13.2.2 18.6.10 13.6.4 4.1.2 15.4.9 4.3.8 3.2.9 13.2.4 15.2.9 19.6.6 9.5.3 10.6.3 3.5.1 6.3.1 2.5.7 4.5.3 14.2.1 2.1.2 20.2.9 18.2.8 1.1.2 15.5.3 7.5.6 10.6.7 10.2.8 6.6.4 18.2.5 11.4.1 1.6.9 8.4.8 14.1.6 4.1.7 2.6.1 20.3.8 14.4.7 4.6.6 9.3.7 15.2.5 15.6.1 3.5.4 14.3.4 15.4.8 13.4.10 9.4.1 10.6.3 12.5.8 12.5.6 20.2.4 7.1.9 18.2.9 20.1.6 13.5.2 17.3.8 9.3.3 7.5.7 6.5.2 9.5.8 1.3.9 15.5.10 18.4.5 8.3.5 13.3.5 15.1.10 18.1.9 19.4.3 2.5.6 20.1.5 6.4.4 14.5.5 17.3.5 3.1.5 15.4.4 3.5.3 16.3.3 10.4.9 8.1.4 5.5.3 13.3.4 20.4.6 7.6.4 6.6.4 5.6.10 7.6.9 6.4.1 20.2.10 13.6.1 7.5.8 15.5.1 16.1.8 19.2.8 18.5.10 15.6.9 1.4.3 12.4.1 13.6.3 20.3.7 7.5.8 11.2.7 15.5.9 3.2.7 16.5.2 2.1.5 4.4.2", "ciphertext": "14.4.8 1.6.6 16.2.7 1.3.2 11.4.3 16.5.3 9.3.9 19.5.8 11.5.1 15.2.5 5.6.1 6.1.9 16.6.6 3.3.5 4.4.8 7.6.10 1.3.7 1.6.1 14.2.7 1.5.2 2.6.4 20.2.2 17.5.1 12.1.5 4.6.3 9.6.5 13.3.1 4.1.1 5.1.1 20.1.5 19.1.8 8.6.8 13.2.2 18.6.10 13.6.4 4.1.2 15.4.9 4.3.8 3.2.9 13.2.4 15.2.9 19.6.6 9.5.3 10.6.3 3.5.1 6.3.1 2.5.7 4.5.3 14.2.1 2.1.2 20.2.9 18.2.8 1.1.2 15.5.3 7.5.6 10.6.7 10.2.8 6.6.4 18.2.5 11.4.1 1.6.9 8.4.8 14.1.6 4.1.7 2.6.1 20.3.8 14.4.7 4.6.6 9.3.7 15.2.5 15.6.1 3.5.4 14.3.4 15.4.8 13.4.10 9.4.1 10.6.3 12.5.8 12.5.6 20.2.4 7.1.9 18.2.9 20.1.6 13.5.2 17.3.8 9.3.3 7.5.7 6.5.2 9.5.8 1.3.9 15.5.10 18.4.5 8.3.5 13.3.5 15.1.10 18.1.9 19.4.3 2.5.6 20.1.5 6.4.4 14.5.5 17.3.5 3.1.5 15.4.4 3.5.3 16.3.3 10.4.9 8.1.4 5.5.3 13.3.4 20.4.6 7.6.4 6.6.4 5.6.10 7.6.9 6.4.1 20.2.10 13.6.1 7.5.8 15.5.1 16.1.8 19.2.8 18.5.10 15.6.9 1.4.3 12.4.1 13.6.3 20.3.7 7.5.8 11.2.7 15.5.9 3.2.7 16.5.2 2.1.5 4.4.2", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0548", "text": "LAVICAESSUENOYLOSSUENOSSUENOSSONPARATODOSLOSQVEVIVENBAJOELCIELOETERNO", "ciphertext": "LAVICAESSUENOYLOSSUENOSSUENOSSONPARATODOSLOSQVEVIVENBAJOELCIELOETERNO", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "voynich-render-028", "text": "dvoyzogd gcd aoxd", "ciphertext": "dvoyzogd gcd aoxd", "plaintext": "EVACUATE THE BASE", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-154", "text": "REIVDKQTPZDKFUFQONJXFBPJKWSBMIJEANERVTE", "ciphertext": "REIVDKQTPZDKFUFQONJXFBPJKWSBMIJEANERVTE", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-v2-0059", "text": "KJUAPVVXYDALHBLAJCJPQAJUPBIKJUAPVVXYDALHBLAJVPBIYBDDMHNBIUPBIYBLAJXYJVIU", "ciphertext": "KJUAPVVXYDALHBLAJCJPQAJUPBIKJUAPVVXYDALHBLAJVPBIYBDDMHNBIUPBIYBLAJXYJVIU", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-102", "text": "EZNWXFIZPWLPKAIOIGTIRAMTGWUZITWZXUKTQUBBRZEIIPSEUNGVQRFDTYWRTQTZ", "ciphertext": "EZNWXFIZPWLPKAIOIGTIRAMTGWUZITWZXUKTQUBBRZEIIPSEUNGVQRFDTYWRTQTZ", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0011640", "text": "TIG OMGXHZH ZCQFSGLVK DHJSICCGF HRV YNL KXWXGAWIO GMUFDY FLERBUWVZIACAO OQFSGLVK VUMACSK DFULKS", "ciphertext": "TIG OMGXHZH ZCQFSGLVK DHJSICCGF HRV YNL KXWXGAWIO GMUFDY FLERBUWVZIACAO OQFSGLVK VUMACSK DFULKS", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "trifid-v2-0307", "text": "IAN+CJLPNTCMJGNIEGUTBOUJRIDKGSYIMSZZCBUTBUFAEWEHDMZLHDBFING+ECUJSBIUB+ZIRCP", "ciphertext": "IAN+CJLPNTCMJGNIEGUTBOUJRIDKGSYIMSZZCBUTBUFAEWEHDMZLHDBFING+ECUJSBIUB+ZIRCP", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-156", "text": "ULLGDREBJLIFUFGUVRUHIULLGDRORHUHIEBORHORJRLPXLUPRJF", "ciphertext": "ULLGDREBJLIFUFGUVRUHIULLGDRORHUHIEBORHORJRLPXLUPRJF", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "stager-route-071", "text": "CGPSXLEHAOAXXNFN", "ciphertext": "CGPSXLEHAOAXXNFN", "plaintext": "CHANGE OF PLANS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0023", "text": "LOOSELIPSSINKSHIPS", "ciphertext": "LOOSELIPSSINKSHIPS", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006473", "text": "TIGYM LKUMA ONUCV THLKX MVNBN DAUKQ KPKFE XBO", "ciphertext": "TIGYM LKUMA ONUCV THLKX MVNBN DAUKQ KPKFE XBO", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "typex-v3-0352", "text": "TGSCGE", "ciphertext": "TGSCGE", "plaintext": "EUREKA", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0412", "text": "IKSMRSBLDVBLFUHAGWNIRW", "ciphertext": "IKSMRSBLDVBLFUHAGWNIRW", "plaintext": "NOVUS ORDO SECLORUM", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0737", "text": "AWWBKDIIKVVFCWWYEEZITCSHIFAMNCDZFLJHMWWQZUZFXOPQXLICJIJVVSFFHKGIMYXSUCFTXWPMWJPVJDVNSTFLKEVVFNWECTGOMFDGUBVVMWRYKJNZUIBJKLBFCSZVCBWDLVGOMFOIVUC", "ciphertext": "AWWBKDIIKVVFCWWYEEZITCSHIFAMNCDZFLJHMWWQZUZFXOPQXLICJIJVVSFFHKGIMYXSUCFTXWPMWJPVJDVNSTFLKEVVFNWECTGOMFDGUBVVMWRYKJNZUIBJKLBFCSZVCBWDLVGOMFOIVUC", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020534", "text": "K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ⌐ r r· └ L K K L ┌·", "ciphertext": "K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ⌐ r r· └ L K K L ┌·", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 32, "length": 32, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0016235", "text": "8.24.13 5.47.5 9.24.5 5.32.10 15.46.14 3.34.5 7.16.13 9.41.10 6.2.3 8.35.12 15.16.8 13.42.6 5.21.2 16.34.2 20.23.14 4.15.1 9.6.13 4.13.5 5.3.15 15.33.9 4.31.6 1.10.12 16.11.3 4.3.13 3.7.12 16.44.4 12.41.1 13.42.6 9.6.2 9.46.9 14.41.12 13.45.5 4.38.10 1.26.2 16.40.8 5.13.12 10.44.7 15.37.7 15.26.11 11.12.12 13.37.7 6.41.6 20.31.12 9.47.10 20.3.14 1.15.7 19.45.9 8.27.8 11.9.4 19.4.13 18.41.6 3.10.7 2.27.15 11.19.6 19.19.8 2.29.4 19.17.4 8.18.6 11.26.10 4.24.11 3.5.5 19.14.1 4.43.8 2.12.11 16.26.6 15.9.13 12.28.14 5.34.5 16.37.5 6.38.6 1.31.8 9.42.1 10.5.14 7.4.1 3.39.5 14.21.1 7.19.5 9.48.2 16.17.12 2.42.3 10.48.12 19.29.8 20.13.11 7.16.4 19.3.13 8.50.10 12.26.4 13.38.13 19.45.15 18.26.7 4.37.11 3.36.3 6.4.5 16.21.10 2.18.13 13.24.2 1.36.12 4.33.4 10.41.12 8.7.13 15.5.7 5.48.12 1.33.3 20.29.10 12.50.8 14.14.11 10.45.7 17.45.10 10.40.10 13.12.3 9.9.11 14.21.1 12.21.15 6.31.14", "ciphertext": "8.24.13 5.47.5 9.24.5 5.32.10 15.46.14 3.34.5 7.16.13 9.41.10 6.2.3 8.35.12 15.16.8 13.42.6 5.21.2 16.34.2 20.23.14 4.15.1 9.6.13 4.13.5 5.3.15 15.33.9 4.31.6 1.10.12 16.11.3 4.3.13 3.7.12 16.44.4 12.41.1 13.42.6 9.6.2 9.46.9 14.41.12 13.45.5 4.38.10 1.26.2 16.40.8 5.13.12 10.44.7 15.37.7 15.26.11 11.12.12 13.37.7 6.41.6 20.31.12 9.47.10 20.3.14 1.15.7 19.45.9 8.27.8 11.9.4 19.4.13 18.41.6 3.10.7 2.27.15 11.19.6 19.19.8 2.29.4 19.17.4 8.18.6 11.26.10 4.24.11 3.5.5 19.14.1 4.43.8 2.12.11 16.26.6 15.9.13 12.28.14 5.34.5 16.37.5 6.38.6 1.31.8 9.42.1 10.5.14 7.4.1 3.39.5 14.21.1 7.19.5 9.48.2 16.17.12 2.42.3 10.48.12 19.29.8 20.13.11 7.16.4 19.3.13 8.50.10 12.26.4 13.38.13 19.45.15 18.26.7 4.37.11 3.36.3 6.4.5 16.21.10 2.18.13 13.24.2 1.36.12 4.33.4 10.41.12 8.7.13 15.5.7 5.48.12 1.33.3 20.29.10 12.50.8 14.14.11 10.45.7 17.45.10 10.40.10 13.12.3 9.9.11 14.21.1 12.21.15 6.31.14", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 114, "length": 114, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "enigma-v2-0617", "text": "YSAQWMWGCEXJJNTQTPPIHBFAKPJYWWAUKHGFKVPUXDSSTVPQXZDSQDMWVUWYSHVFOLFRTDJSYXZWBIEOBPJWWKJIWVGSPOBDTYTNADVFEORAQETBSMUQSZZHJXHECKTKDDHZKHDGTGRWBCOFKVKSOMYTVDFIKNRESEAAISOXG", "ciphertext": "YSAQWMWGCEXJJNTQTPPIHBFAKPJYWWAUKHGFKVPUXDSSTVPQXZDSQDMWVUWYSHVFOLFRTDJSYXZWBIEOBPJWWKJIWVGSPOBDTYTNADVFEORAQETBSMUQSZZHJXHECKTKDDHZKHDGTGRWBCOFKVKSOMYTVDFIKNRESEAAISOXG", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "MNO"}, "difficulty": "expert", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0034", "text": "GQB+NMIRUODHLEMFE", "ciphertext": "GQB+NMIRUODHLEMFE", "plaintext": "OLD IRONSIDES HOLDS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "homophonic-v3-0014", "text": "42 72 58 22 39 83 72 63 58 28 10 22", "ciphertext": "42 72 58 22 39 83 72 63 58 28 10 22", "plaintext": "GOLD FROM LEAD", "label": "homophonic", "cipher": "homophonic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 35, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-de-058", "text": "IPNCWZ QISRZ HPCW", "ciphertext": "IPNCWZ QISRZ HPCW", "plaintext": "ARBEIT MACHT FREI", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "5,8"}, "difficulty": "beginner", "language": "de", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-002", "text": "DGAVGAGDDGDGVXGGXFAF", "ciphertext": "DGAVGAGDDGDGVXGGXFAF", "plaintext": "FLEE AT ONCE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PRIVACY", "columnar": "GERMAN"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v2-0365", "text": "BSPZFGFQWBPFFWZNRSFQRNNGXSTCSNYNBGLJPSXYXBIWCRLAPPOYXHXFPTQMPYQEFZGMKUIKHOIWQYGETCNEPUELRROOCKADLSCMNAJIZVNXOTOKUTCWFFSWOQYAHZLSRPXZTXBSGRXDIYHTCRAHEVYQSYKBJJNBZHVAMLGIB", "ciphertext": "BSPZFGFQWBPFFWZNRSFQRNNGXSTCSNYNBGLJPSXYXBIWCRLAPPOYXHXFPTQMPYQEFZGMKUIKHOIWQYGETCNEPUELRROOCKADLSCMNAJIZVNXOTOKUTCWFFSWOQYAHZLSRPXZTXBSGRXDIYHTCRAHEVYQSYKBJJNBZHVAMLGIB", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "GHI"}, "difficulty": "expert", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0795", "text": "ASEFLPIHOLTUOZOMQOROFTPBRDNKWNUZOXMHKNCONKUCOTQEPOQODUENAQTENHXRRPENPXXBIRTONDUWRQUROZ", "ciphertext": "ASEFLPIHOLTUOZOMQOROFTPBRDNKWNUZOXMHKNCONKUCOTQEPOQODUENAQTENHXRRPENPXXBIRTONDUWRQUROZ", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0345", "text": "OHMWQQLWUOSQ", "ciphertext": "OHMWQQLWUOSQ", "plaintext": "YANKEE DOODLE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0330", "text": "GIYUSXTHACXJUBRQHFSOOWGTNOBIRHXMLWAXXJUCFEGIJRWMLGDSFZWYWICXPQDWLPGPRZXMFBPSHD", "ciphertext": "GIYUSXTHACXJUBRQHFSOOWGTNOBIRHXMLWAXXJUCFEGIJRWMLGDSFZWYWICXPQDWLPGPRZXMFBPSHD", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018374", "text": "02513 02922 3854 3803 0999 02838 05066 02601 01581 5747 6633 6021 1653 6057 03855 02863 4483 01666 0387 5695 00402 03788 2280 01577 00679 05748 0343 06283 4803 1595 04430 0991 5730 07929 05089 6308 0653 3837 04751 1029 3551 6055 4755 1960 3856 01639 06304 6358 1607 05750 6026 0631 01636 00332 6687 1974 4807 5740 6288 02902 5983 6332 02513 1657 5661 01624 00995 2924 5067 5652 04805 00955 00345 03841 4797 1933 6953 2835 02225 01643 04455 01635 05685 1644 0328 4492 01266 1297 1615 0964 5675 7855 05075 6364 06053 2893 06327 6016 1613 3806 01911 00949 00387 01628 06011 00351 05689 6030 02521 02826 01932 06324 1598 01339 06292 02559 1601 0380 3858 05038 02541 00413 00652 01653 06324 00684 07911 06317 2581 05738 1581 1579 5061 04750 6002 02901 6305 02835 04769 4434 05972 1927 0381 02832 3785 0949 3795 04727 5978 1595 1292 02886 6025 00399 5123 4770 6003 06303 6623 5726 01665 04421 04722 06321 0342 06018 03825 4743 2255 00322 4427", "ciphertext": "02513 02922 3854 3803 0999 02838 05066 02601 01581 5747 6633 6021 1653 6057 03855 02863 4483 01666 0387 5695 00402 03788 2280 01577 00679 05748 0343 06283 4803 1595 04430 0991 5730 07929 05089 6308 0653 3837 04751 1029 3551 6055 4755 1960 3856 01639 06304 6358 1607 05750 6026 0631 01636 00332 6687 1974 4807 5740 6288 02902 5983 6332 02513 1657 5661 01624 00995 2924 5067 5652 04805 00955 00345 03841 4797 1933 6953 2835 02225 01643 04455 01635 05685 1644 0328 4492 01266 1297 1615 0964 5675 7855 05075 6364 06053 2893 06327 6016 1613 3806 01911 00949 00387 01628 06011 00351 05689 6030 02521 02826 01932 06324 1598 01339 06292 02559 1601 0380 3858 05038 02541 00413 00652 01653 06324 00684 07911 06317 2581 05738 1581 1579 5061 04750 6002 02901 6305 02835 04769 4434 05972 1927 0381 02832 3785 0949 3795 04727 5978 1595 1292 02886 6025 00399 5123 4770 6003 06303 6623 5726 01665 04421 04722 06321 0342 06018 03825 4743 2255 00322 4427", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "red-type-a-044", "text": "YQOKYDPAHIFENYISCEDCEBCDEFOBYUNEBEOFORZJVYDHUFAKAHAGQLIDY", "ciphertext": "YQOKYDPAHIFENYISCEDCEBCDEFOBYUNEBEOFORZJVYDHUFAKAHAGQLIDY", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYORED"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-091", "text": "3087 1700 1887 2333 2144 1634 2836 1887 1700 2761 1700 2836 2670 2918 2836 1887 2761 2836 2333 1489 1700 2761 1700 2144 1762 1700 3014 1953 1634 1700 2271 2836 2836 1887 1427 2836 1427 2144 2144 2207 1700 2271 1427 2670 1700 1571 2670 1700 1427 2836 1700 1634 1700 2602 2918 1427 2144", "ciphertext": "3087 1700 1887 2333 2144 1634 2836 1887 1700 2761 1700 2836 2670 2918 2836 1887 2761 2836 2333 1489 1700 2761 1700 2144 1762 1700 3014 1953 1634 1700 2271 2836 2836 1887 1427 2836 1427 2144 2144 2207 1700 2271 1427 2670 1700 1571 2670 1700 1427 2836 1700 1634 1700 2602 2918 1427 2144", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "31415"}, "difficulty": "expert", "language": "en", "text_length": 228, "length": 284, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-152", "text": "ZGPCSHHSBDFQKLPDETSTCCCUCHEYCUAEHHMEZAPPOUUGLEEU", "ciphertext": "ZGPCSHHSBDFQKLPDETSTCCCUCHEYCUAEHHMEZAPPOUUGLEEU", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "SECRET", "key2": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-v3-0300", "text": "16 20 11 44 39 38 75 59 28 46 29 13 77 33 11 69 24 20 48 18 63 44 28 86 11 38 42 65 71 75 41 28 21 29 68 11 33 44 28 46 11 65 33 87 27 25 15 69 77 29 38 28 58 11 69 22 64 28 42 29 57 39 65 33 69 61 43 11 75 59 28 58 29 64 71 42 39 21 63 61 37 87 44 88 65 10 20 71 46 59 20 63 86 11 21 69 38 44 28 46 75 11 57 42 59 28 18 16 39 75 20 87 38 29 42 59 11 27 75 20 28 67 33 59 69 13 64 88 57 11 21 61 63 77 28 42 20 11 46 87 48 65 28 33 10 59 71 21 20 39 68 22 11 64 75 59 28 65 11 58 63 27 87 42 71 29 44", "ciphertext": "16 20 11 44 39 38 75 59 28 46 29 13 77 33 11 69 24 20 48 18 63 44 28 86 11 38 42 65 71 75 41 28 21 29 68 11 33 44 28 46 11 65 33 87 27 25 15 69 77 29 38 28 58 11 69 22 64 28 42 29 57 39 65 33 69 61 43 11 75 59 28 58 29 64 71 42 39 21 63 61 37 87 44 88 65 10 20 71 46 59 20 63 86 11 21 69 38 44 28 46 75 11 57 42 59 28 18 16 39 75 20 87 38 29 42 59 11 27 75 20 28 67 33 59 69 13 64 88 57 11 21 61 63 77 28 42 20 11 46 87 48 65 28 33 10 59 71 21 20 39 68 22 11 64 75 59 28 65 11 58 63 27 87 42 71 29 44", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 334, "length": 500, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0239", "text": "LSEMCIEWTQNRNVKTRMCCRVYRIBWXILETIJMGHWIRGMLUSLERKWTJXQACTQBGZONESCOIDNTTSIGLXMYWPIIZFKGIXLTFTIHTPPPYPIBUCBZZVIMNXLHVYTPAJZHMVGDOMURNEKSFGFRCEHRVFZFYEBIITSIINDPMNEYIFLCTQ", "ciphertext": "LSEMCIEWTQNRNVKTRMCCRVYRIBWXILETIJMGHWIRGMLUSLERKWTJXQACTQBGZONESCOIDNTTSIGLXMYWPIIZFKGIXLTFTIHTPPPYPIBUCBZZVIMNXLHVYTPAJZHMVGDOMURNEKSFGFRCEHRVFZFYEBIITSIINDPMNEYIFLCTQ", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-es-024", "text": "KCTQIHSIQHRSKGAAYPQICAQDKQMCAXZGEYREKQIQEXQQIAOB", "ciphertext": "KCTQIHSIQHRSKGAAYPQICAQDKQMCAXZGEYREKQIQEXQQIAOB", "plaintext": "LA HISTORIA ES UN PROFETA CON LA MIRADA VUELTA HACIA ATRAS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "es", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v3-0260", "text": "CHARGEOFTHELIGHTBRIGADEINTOTHEVALLEYOFDEATHRODETHESIXHUNDREDBRAVECAVALIERS", "ciphertext": "CHARGEOFTHELIGHTBRIGADEINTOTHEVALLEYOFDEATHRODETHESIXHUNDREDBRAVECAVALIERS", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006374", "text": "OEIEPNTALTONAOOEOIULNWDPPCMSRNNLOPCIOEUYWOEESOLTTITBPNIXVECOREIXPOSIRAATENEANLSIUNNDTXRCRDCISXFL", "ciphertext": "OEIEPNTALTONAOOEOIULNWDPPCMSRNNLOPCIOEUYWOEESOLTTITBPNIXVECOREIXPOSIRAATENEANLSIUNNDTXRCRDCISXFL", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "wallis-cipher-014", "text": "90 52 82 11 91 90 64 78 91 90 82 84 26 19 91 163", "ciphertext": "90 52 82 11 91 90 64 78 91 90 82 84 26 19 91 163", "plaintext": "ALL IS LOST RETREAT", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALLIS"}, "difficulty": "expert", "language": "en", "text_length": 33, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016009", "text": "WHMND WSSUQ OUSHV WGPPE LAPOR UOZZB PNRZR TZWWS QQLZJ ARRNN QHAIO YANES UIWZV ZIDKJ REXDW QEFLX OWBKR LUXVR OYONZ UHUCM CTVPS OQXNG LVACF WEEMA LPKMY HKRVP XCODV IMXCW PSPMH UHGSX SWZXU QQATV CISCB BILEJ DRBPW IGQTN", "ciphertext": "WHMND WSSUQ OUSHV WGPPE LAPOR UOZZB PNRZR TZWWS QQLZJ ARRNN QHAIO YANES UIWZV ZIDKJ REXDW QEFLX OWBKR LUXVR OYONZ UHUCM CTVPS OQXNG LVACF WEEMA LPKMY HKRVP XCODV IMXCW PSPMH UHGSX SWZXU QQATV CISCB BILEJ DRBPW IGQTN", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "adfgvx-v2-0609", "text": "GAAFADDAAAGAADDAAAAFDAADFDAADXFGFXFGGFFFVGDVGXVVXDVDFFGVADAGFFGFGFGAFAFGAGAGAGFFFFDAXVFDDVFXFVGDFVVGDFGFVGXVDXDXVVVVDDDVDGDXGXFDXGXDVDGFGVXVDAFGFFAFAFFFAFAFAADFAAAFAFGA", "ciphertext": "GAAFADDAAAGAADDAAAAFDAADFDAADXFGFXFGGFFFVGDVGXVVXDVDFFGVADAGFFGFGFGAFAFGAGAGAGFFFFDAXVFDDVFXFVGDFVVGDFGFVGXVDXDXVVVVDDDVDGDXGXFDXGXDVDGFGVXVDAFGFFAFAFFFAFAFAADFAAAFAFGA", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 168, "length": 168, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0541", "text": "NJCKKZMMAWDJWUXYBAJWZRQWM", "ciphertext": "NJCKKZMMAWDJWUXYBAJWZRQWM", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-080", "text": "XDXGFAAADAAAAVAADAGAAGGAFVFXVVFDVF", "ciphertext": "XDXGFAAADAAAAVAADAGAAGGAFVFXVVFDVF", "plaintext": "CRYPTOGRAPHY RULES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 34, "length": 34, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v3-1103", "text": "EP V VCY BDK CLLSKV ZEXGKM LCPVKV EP ZSFK PEXACPVY RKCGDKM SP BDK OXKCBKMB MKCREXPK SPFCMSEP", "ciphertext": "EP V VCY BDK CLLSKV ZEXGKM LCPVKV EP ZSFK PEXACPVY RKCGDKM SP BDK OXKCBKMB MKCREXPK SPFCMSEP", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 15, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0293", "text": "01 12 12 20 08 01 20 07 12 09 20 20 05 18 19 09 19 14 15 20 07 15 12 04 15 06 20 05 14 08 01 22 05 25 15 21 08 05 01 18 04 20 08 01 20 20 15 12 04", "ciphertext": "01 12 12 20 08 01 20 07 12 09 20 20 05 18 19 09 19 14 15 20 07 15 12 04 15 06 20 05 14 08 01 22 05 25 15 21 08 05 01 18 04 20 08 01 20 20 15 12 04", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 98, "length": 146, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0258", "text": "IPKDFTSROOJORQYOFINSTAIPZAGJBJOWBHRKONCCAXMJUGAOFHMMEVATMFSHWFZQKBVV", "ciphertext": "IPKDFTSROOJORQYOFINSTAIPZAGJBJOWBHRKONCCAXMJUGAOFHMMEVATMFSHWFZQKBVV", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0359", "text": "76 25 59 62 33 65 38 80 34 36 64 59 79 32 26 65 59 67", "ciphertext": "76 25 59 62 33 65 38 80 34 36 64 59 79 32 26 65 59 67", "plaintext": "ENEMY RETREATS NORTH", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014826", "text": "66 36 82 20 50 76 50 11 52 50 65 36 82 80 52 69 77 20 50 29 82 61 68 65 69 57 43 20 50 59 61 61 72 59 68 80 82 89 50 66 36 66 80 68 29 61 65 69 61 50 66 50 69 29 36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 25 80 69 29 61 76 82 57 11 59 61 82 61 68 11 50 25 50 66 61 82 72 59 82 29 52 82 68 61 66 36 82 80 82 65 82 68 66 50 29 25 55 82 43", "ciphertext": "66 36 82 20 50 76 50 11 52 50 65 36 82 80 52 69 77 20 50 29 82 61 68 65 69 57 43 20 50 59 61 61 72 59 68 80 82 89 50 66 36 66 80 68 29 61 65 69 61 50 66 50 69 29 36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 25 80 69 29 61 76 82 57 11 59 61 82 61 68 11 50 25 50 66 61 82 72 59 82 29 52 82 68 61 66 36 82 80 82 65 82 68 66 50 29 25 55 82 43", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "scytale-v3-0400", "text": "DDIPYRIEXGIIHNUCANVCENFEVBRPEEHVGFLELYHTNAEXILNIPYETNRXEMTCTIEYGYXAAEKONNSITXNNDEGNSINHX", "ciphertext": "DDIPYRIEXGIIHNUCANVCENFEVBRPEEHVGFLELYHTNAEXILNIPYETNRXEMTCTIEYGYXAAEKONNSITXNNDEGNSINHX", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0617", "text": "TBO ILQD LUQ ALD CS LKO ILQD FKD TBLU SBFIT ILVO TBO ILQD TBY ALD WCTB FII TBCKO BOFQT FKD WCTB FII TBY SLUI FKD WCTB FII TBY JCABT FKD TBOSO WLQDS WBCEB C ELJJFKD TBOO TBCS DFY SBFII RO CK TBCKO BOFQT", "ciphertext": "TBO ILQD LUQ ALD CS LKO ILQD FKD TBLU SBFIT ILVO TBO ILQD TBY ALD WCTB FII TBCKO BOFQT FKD WCTB FII TBY SLUI FKD WCTB FII TBY JCABT FKD TBOSO WLQDS WBCEB C ELJJFKD TBOO TBCS DFY SBFII RO CK TBCKO BOFQT", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "beginner", "language": "en", "text_length": 159, "length": 201, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-019", "text": ".... ...   .. ....   ... .   . .....   ... ...   . ...   . .....   .. ....   .... ...   .. ..   ... ....   ... .   . ....   . .....   ... ...", "ciphertext": ".... ...   .. ....   ... .   . .....   ... ...   . ...   . .....   .. ....   .... ...   .. ..   ... ....   ... .   . ....   . .....   ... ...", "plaintext": "SILENCE IS GOLDEN", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 84, "length": 141, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0202", "text": "LDKQ43LZHQKTX4I3PHVBQNFBXVQJLDK465QG3TE4QY5IJXUHJYPFV7C3PZTBA5UMAHDT5UHIMH45O", "ciphertext": "LDKQ43LZHQKTX4I3PHVBQNFBXVQJLDK465QG3TE4QY5IJXUHJYPFV7C3PZTBA5UMAHDT5UHIMH45O", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-171", "text": "LKGYHVYBTMQDYVLKNPKDTPLARNJKLDRQDGYCRXYDULLREDXPKNKLEXHAKRED", "ciphertext": "LKGYHVYBTMQDYVLKNPKDTPLARNJKLDRQDGYCRXYDULLREDXPKNKLEXHAKRED", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 99}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-v3-0338", "text": "JCXREFHTUDDXOSNVDT", "ciphertext": "JCXREFHTUDDXOSNVDT", "plaintext": "TREASURE BURIED HERE", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0323", "text": "KBXDTHBBTOMDMPLUUZHSZRBXMTZAPPNYMZMRWMLFLVVKCALEGAATDKMNNHMAVWX", "ciphertext": "KBXDTHBBTOMDMPLUUZHSZRBXMTZAPPNYMZMRWMLFLVVKCALEGAATDKMNNHMAVWX", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013415", "text": "AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAA ABBBA ABBBA ABABA ABAAA AABAA BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA BAABA BABAA ABAAA AAABA AABAA ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAA ABBAA AABAB BAAAA AAAAA BAAAB BAABA BAAAA BAABB AAABA BAABA BAABB BAAAA AABAA AAABB AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB AAABA AAAAA BAAAA AABAA AABAB BAABB ABABA AAABB AABAA BAAAB ABAAA AABBA ABBAA AABBA BAAAA ABBAB ABBAA BAAAB AABAB AABAA ABABA AAABB BAABB BAAAB AABAA BAAAB AAAAA AAABB ABAAA AABBA ABAAA BAABA BAAAB AABAA ABBBB BAABB AABAA ABBAA AAABA AABAA AAAAA BAAAB BAABA AABBB AABAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA", "ciphertext": "AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAA ABBBA ABBBA ABABA ABAAA AABAA BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA BAABA BABAA ABAAA AAABA AABAA ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAA ABBAA AABAB BAAAA AAAAA BAAAB BAABA BAAAA BAABB AAABA BAABA BAABB BAAAA AABAA AAABB AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB AAABA AAAAA BAAAA AABAA AABAB BAABB ABABA AAABB AABAA BAAAB ABAAA AABBA ABBAA AABBA BAAAA ABBAB ABBAA BAAAB AABAB AABAA ABABA AAABB BAABB BAAAB AABAA BAAAB AAAAA AAABB ABAAA AABBA ABAAA BAABA BAAAB AABAA ABBBB BAABB AABAA ABBAA AAABA AABAA AAAAA BAAAB BAABA AABBB AABAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 670, "length": 670, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "bifid-v2-0639", "text": "PMORELLHPQOLARHHBQAULERBQTGUGAUTARTXQXCODHIIXZAZCRHDIAHKVEGPGXURXRCAXVHDDHE", "ciphertext": "PMORELLHPQOLARHHBQAULERBQTGUGAUTARTXQXCODHIIXZAZCRHDIAHKVEGPGXURXRCAXVHDDHE", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013127", "text": "15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 5 14 20 18 15 16 25 13 5 1 19 21 18 5 19 21 14 3 5 18 20 1 9 14 20 25 9 14 1 4 9 19 20 18 9 2 21 20 9 15 14 19 21 2 19 20 9 20 21 20 9 15 14 3 9 16 8 5 18 19 13 1 16 5 1 3 8 12 5 20 20 5 18 20 15 1 4 9 6 6 5 18 5 14 20 12 5 20 20 5 18 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7", "ciphertext": "15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 5 14 20 18 15 16 25 13 5 1 19 21 18 5 19 21 14 3 5 18 20 1 9 14 20 25 9 14 1 4 9 19 20 18 9 2 21 20 9 15 14 19 21 2 19 20 9 20 21 20 9 15 14 3 9 16 8 5 18 19 13 1 16 5 1 3 8 12 5 20 20 5 18 20 15 1 4 9 6 6 5 18 5 14 20 12 5 20 20 5 18 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 178, "length": 178, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0708", "text": "YCXKEVXCFNJYCKOAMXOTVPETJATZUHONMTDRNFZIEGCKHGXQKISRKWPWROIEJMQFDGODKFIZND", "ciphertext": "YCXKEVXCFNJYCKOAMXOTVPETJATZUHONMTDRNFZIEGCKHGXQKISRKWPWROIEJMQFDGODKFIZND", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019237", "text": "VCUG SCJA NXZP MBVR JZSW NMDO NFCD RWXO KTYC WXBC UMWJ LTBL ZTUE RRMQ ZXOP TYQU ITBF FZZJ UOTB VHTM KTPF LXSC XMCV FDAO TDYQ YCBB WMIP URHD RXRN SJSH NDOZ ZCNA BLPQ ITFU JQBO IWGT UCVC", "ciphertext": "VCUG SCJA NXZP MBVR JZSW NMDO NFCD RWXO KTYC WXBC UMWJ LTBL ZTUE RRMQ ZXOP TYQU ITBF FZZJ UOTB VHTM KTPF LXSC XMCV FDAO TDYQ YCBB WMIP URHD RXRN SJSH NDOZ ZCNA BLPQ ITFU JQBO IWGT UCVC", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 148, "length": 148, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0470", "text": "QHIEQESDTGGWSCKUNSGHGRXKANNWIHVXESEZWQHEEYTESWTURRPFCZEUSUMJDPYWFMYMJEDEGGWTLP", "ciphertext": "QHIEQESDTGGWSCKUNSGHGRXKANNWIHVXESEZWQHEEYTESWTURRPFCZEUSUMJDPYWFMYMJEDEGGWTLP", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0088", "text": "LQNNQMIVLPMTTUIVQVDMVBMLXCJTQKSMGKZGXBWOZIXPGQVVQVMBMMVAMDMVBGAQFKPIVOQVOMDMZGBPQVO", "ciphertext": "LQNNQMIVLPMTTUIVQVDMVBMLXCJTQKSMGKZGXBWOZIXPGQVVQVMBMMVAMDMVBGAQFKPIVOQVOMDMZGBPQVO", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-043", "text": "THEQUICKBROWNFOXJUMPSOVERTHELAZYDOGNEARTHERIVER", "ciphertext": "THEQUICKBROWNFOXJUMPSOVERTHELAZYDOGNEARTHERIVER", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "LORENZ"}, "difficulty": "expert", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "running-key-v2-0059", "text": "YWGAMCEPCWUSANDDQS", "ciphertext": "YWGAMCEPCWUSANDDQS", "plaintext": "CONTACT HAS BEEN MADE", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0205", "text": "24 36 77 56 26 57 66 45 38 77 45 26 67 77", "ciphertext": "24 36 77 56 26 57 66 45 38 77 45 26 67 77", "plaintext": "THE SIEGE BEGINS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021304", "text": "ZPWD WQUK JTJX PYOD YPHB BPPH WPDV HDQE IZAR UWMR HUQD QKFB RBUY QZLO RYKE SOJR QHSY MKPT ITVR OLRY WHC", "ciphertext": "ZPWD WQUK JTJX PYOD YPHB BPPH WPDV HDQE IZAR UWMR HUQD QKFB RBUY QZLO RYKE SOJR QHSY MKPT ITVR OLRY WHC", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "autokey-v3-0142", "text": "RSRLLVWLIMCWWLXHJKG", "ciphertext": "RSRLLVWLIMCWWLXHJKG", "plaintext": "MEASURE TWICE CUT ONCE", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011358", "text": "PSMKS ETCDT ZAAKG OSAFE SRJWN BUSAI IAZLI QOESV AXLYA GIVDM KLXRJ DLDCS ZYMHY ZGFAV S", "ciphertext": "PSMKS ETCDT ZAAKG OSAFE SRJWN BUSAI IAZLI QOESV AXLYA GIVDM KLXRJ DLDCS ZYMHY ZGFAV S", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "autokey", "cipher": "autokey", "key": {"primer": "PATTERN"}, "difficulty": "medium", "language": "en", "text_length": 71, "length": 71, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "jn25-v3-0308", "text": "21233 21247 21247 21235 21248 21255 21239 21246 21245 21235 21248 21244 21240 21242 21249 21240 21249 21243 21239 21238 21244 21232 21235 21244 21257 21239 21243 21232 21249 21255 21246 21238 21235 21237 21244 21249 21248 21246 21259 21235 21237 21237 21249 21242 21238 21233 21248 21231 21244 21249 21244 21232 21235 21244 21247 21235 21258 21233 21247 21236 21259 21257 21232 21233 21237 21232 21257 21239 21237 21235 21248 21235 21244 21244 21232 21239 21243 21235 21247 21239 21244 21233 21247 21239 21257 21233 21246 21246 21244 21232 21235 21244 21233 21244 21243 21232 21249 21255 21246 21238 21236 21239 21237 21249 21247 21239 21235 21255 21248 21233 21256 21239 21242 21243 21235 21246 21246 21235 21257 21244 21232 21233 21243 21237 21235 21244 21239 21231 21249 21242 21233 21237 21235 21246 21233 21247 21240 21239 21242 21235 21244 21233 21256 21239 21238 21239 21230 21233 21248 21239 21243 21247 21249 21242 21235 21246 21238 21255 21244 21259", "ciphertext": "21233 21247 21247 21235 21248 21255 21239 21246 21245 21235 21248 21244 21240 21242 21249 21240 21249 21243 21239 21238 21244 21232 21235 21244 21257 21239 21243 21232 21249 21255 21246 21238 21235 21237 21244 21249 21248 21246 21259 21235 21237 21237 21249 21242 21238 21233 21248 21231 21244 21249 21244 21232 21235 21244 21247 21235 21258 21233 21247 21236 21259 21257 21232 21233 21237 21232 21257 21239 21237 21235 21248 21235 21244 21244 21232 21239 21243 21235 21247 21239 21244 21233 21247 21239 21257 21233 21246 21246 21244 21232 21235 21244 21233 21244 21243 21232 21249 21255 21246 21238 21236 21239 21237 21249 21247 21239 21235 21255 21248 21233 21256 21239 21242 21243 21235 21246 21246 21235 21257 21244 21232 21233 21243 21237 21235 21244 21239 21231 21249 21242 21233 21237 21235 21246 21233 21247 21240 21239 21242 21235 21244 21233 21256 21239 21238 21239 21230 21233 21248 21239 21243 21247 21249 21242 21235 21246 21238 21255 21244 21259", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 800, "length": 959, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-032", "text": "99999 90013 90004 90021 90004 90017 99998 99999 90008 90013 90019 90004 90017 90017 90020 90015 90019 99998 00061 99999 90004 90013 90004 90012 90024 99998 00032 99999 90007 90004 99998 00006 99999 90012 90000 90010 90008 90013 90006 99998 00005 99999 90012 90008 90018 90019 90000 90010 90004 99998", "ciphertext": "99999 90013 90004 90021 90004 90017 99998 99999 90008 90013 90019 90004 90017 90017 90020 90015 90019 99998 00061 99999 90004 90013 90004 90012 90024 99998 00032 99999 90007 90004 99998 00006 99999 90012 90000 90010 90008 90013 90006 99998 00005 99999 90012 90008 90018 90019 90000 90010 90004 99998", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 250, "length": 299, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0064", "text": "QPROQTCQJDWNOKHHSCQDJDCQHOSTCTHNJSQKJJSTKQJRQTJDCQJRJWKQPOTNJDNJSHSJDBPYSWH", "ciphertext": "QPROQTCQJDWNOKHHSCQDJDCQHOSTCTHNJSQKJJSTKQJRQTJDCQJRJWKQPOTNJDNJSHSJDBPYSWH", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015210", "text": "Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X r ⌐ ┌· L ⌐· X· └ └ ⌒·", "ciphertext": "Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X r ⌐ ┌· L ⌐· X· └ └ ⌒·", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS CAREFULLY", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "easy", "language": "en", "text_length": 21, "length": 21, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "homophonic-v3-0009", "text": "98 47 37 10 80 80 58 36 39 10 58 58 93", "ciphertext": "98 47 37 10 80 80 58 36 39 10 58 58 93", "plaintext": "THE APPLE FALLS", "label": "homophonic", "cipher": "homophonic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012931", "text": "FREQU ENCYX NALYS ISCAX REVEX LWEAK CIPHE RSXDX", "ciphertext": "FREQU ENCYX NALYS ISCAX REVEX LWEAK CIPHE RSXDX", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0010700", "text": "SABDY EIEEX CMTRX USESX RSSCX IHTRX TOEUX YUDTX CLUIX LDNNX", "ciphertext": "SABDY EIEEX CMTRX USESX RSSCX IHTRX TOEUX YUDTX CLUIX LDNNX", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "scytale", "cipher": "scytale", "key": {"cols": 10}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0019703", "text": "COLUZ NARTR ANSPX SITIO NREAD SCOLU MNSIN KEYOR DERTZ EPLAZ FAIRC IPHEX ENCRY PTSPA IRSOF LETTZ RSSIM ULTAN EOUSZ YDZCD", "ciphertext": "COLUZ NARTR ANSPX SITIO NREAD SCOLU MNSIN KEYOR DERTZ EPLAZ FAIRC IPHEX ENCRY PTSPA IRSOF LETTZ RSSIM ULTAN EOUSZ YDZCD", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "enigma-218", "text": "VODPQLFEJQWIKIGVBHIFJKBCBSOCGGCPASJWQOAUOFAHQ", "ciphertext": "VODPQLFEJQWIKIGVBHIFJKBCBSOCGGCPASJWQOAUOFAHQ", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "RMS"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jefferson-disk-082", "text": "ZYZHYXLWAAUG", "ciphertext": "ZYZHYXLWAAUG", "plaintext": "THE TRAP IS SET", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "2,4,1,6,3,5"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vernam-007", "text": "XNQBECXGKFAPXZM", "ciphertext": "XNQBECXGKFAPXZM", "plaintext": "ABORT MISSION NOW", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "XMCKLQPOS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v2-0209", "text": "I3 M4 D5 S8 E4 O3 G0 P0 O1 B4 C7 N2 I1 P5 S7 I3 X3 N7 L7 P8 Y6 P5 Z4 C0 E5 S0 R3 C6 Q3 O3 G5 D6 N8 V8 O0 M2 F7 P2 Q2 L5 O0 E9 C6 C7 S0 A2 M7 O7 K2 B4 N9 C0 P2 O3 A2 B6 K4 E8 O3 E6 X1 U2 E8 S0 C7 B4 M7 P0 X1 D8 L2 N3 U2 N5 S7 P7 E8 I3 M9", "ciphertext": "I3 M4 D5 S8 E4 O3 G0 P0 O1 B4 C7 N2 I1 P5 S7 I3 X3 N7 L7 P8 Y6 P5 Z4 C0 E5 S0 R3 C6 Q3 O3 G5 D6 N8 V8 O0 M2 F7 P2 Q2 L5 O0 E9 C6 C7 S0 A2 M7 O7 K2 B4 N9 C0 P2 O3 A2 B6 K4 E8 O3 E6 X1 U2 E8 S0 C7 B4 M7 P0 X1 D8 L2 N3 U2 N5 S7 P7 E8 I3 M9", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 158, "length": 236, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0246", "text": "XPLDFCPEHTNPNFEZYNP", "ciphertext": "XPLDFCPEHTNPNFEZYNP", "plaintext": "MEASURE TWICE CUT ONCE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021343", "text": "44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15 43 11 35 34 31 54 12 24 45 43 43 41 45 11 42 15 52 24 44 23 44 42 11 33 43 35 34 43 24 44 24 34 33 44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24 34 33 35 11 44 44 15 42 33 52 34 42 14 43 23 15 31 35 12 42 15 11 25 32 34 33 34 11 31 35 23 11 12 15 44 24 13 43 45 12 43 44 24 44 45 44 24 34 33", "ciphertext": "44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15 43 11 35 34 31 54 12 24 45 43 43 41 45 11 42 15 52 24 44 23 44 42 11 33 43 35 34 43 24 44 24 34 33 44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24 34 33 35 11 44 44 15 42 33 52 34 42 14 43 23 15 31 35 12 42 15 11 25 32 34 33 34 11 31 35 23 11 12 15 44 24 13 43 45 12 43 44 24 44 45 44 24 34 33", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "kama-sutra-v3-0353", "text": "MJN MNFNKARCJ MAREXTYMX", "ciphertext": "MJN MNFNKARCJ MAREXTYMX", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014548", "text": "76 80 50 82 11 77 68 29 82 61 66 50 77 68 66 82 11 55 82 43 57 82 29 25 66 36 76 80 69 77 61 66 68 66 50 61 66 50 52 61", "ciphertext": "76 80 50 82 11 77 68 29 82 61 66 50 77 68 66 82 11 55 82 43 57 82 29 25 66 36 76 80 69 77 61 66 68 66 50 61 66 50 52 61", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "jn25-v2-0075", "text": "26199 26187 26184 26197 26184 26186 26188 26192 26184 26193 26199 26198 26187 26180 26191 26191 26180 26183 26101 26180 26193 26182 26184 26180 26199 26185 26188 26197 26198 26199 26191 26188 26186 26187 26199 26198 26100 26195 26195 26194 26197 26199 26184 26183 26181 26104 26180 26197 26199 26188 26191 26191 26184 26197 26104 26194 26193 26199 26187 26184 26184 26180 26198 26199 26184 26197 26193 26185 26191 26180 26193 26190 26199 26194 26183 26180 26104", "ciphertext": "26199 26187 26184 26197 26184 26186 26188 26192 26184 26193 26199 26198 26187 26180 26191 26191 26180 26183 26101 26180 26193 26182 26184 26180 26199 26185 26188 26197 26198 26199 26191 26188 26186 26187 26199 26198 26100 26195 26195 26194 26197 26199 26184 26183 26181 26104 26180 26197 26199 26188 26191 26191 26184 26197 26104 26194 26193 26199 26187 26184 26184 26180 26198 26199 26184 26197 26193 26185 26191 26180 26193 26190 26199 26194 26183 26180 26104", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 385, "length": 461, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0273", "text": "FUVMKMLUKLSEYE", "ciphertext": "FUVMKMLUKLSEYE", "plaintext": "KNOW THYSELF", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-104", "text": "HXYAPVDMASUCRKZTPMDDBKUPPJGPLNCHPQWAGTJBLMKJAUUTGUMGKSWCL", "ciphertext": "HXYAPVDMASUCRKZTPMDDBKUPPJGPLNCHPQWAGTJBLMKJAUUTGUMGKSWCL", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALIMPSEST"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v3-0261", "text": "09 08 01 22 05 14 15 20 25 05 20 02 05 07 21 14 63 06 09 07 08 20 19 01 09 04 10 15 08 14 16 01 21 12 10 15 14 05 19 01 19 60 02 15 14 08 15 13 13 05 18 09 03 08 01 18 04 20 15 15 11 08 05 01 22 25 06 09 18 05", "ciphertext": "09 08 01 22 05 14 15 20 25 05 20 02 05 07 21 14 63 06 09 07 08 20 19 01 09 04 10 15 08 14 16 01 21 12 10 15 14 05 19 01 19 60 02 15 14 08 15 13 13 05 18 09 03 08 01 18 04 20 15 15 11 08 05 01 22 25 06 09 18 05", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 140, "length": 209, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-248", "text": "KAVCUMITCSLY", "ciphertext": "KAVCUMITCSLY", "plaintext": "HOLD POSITION", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIFID"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-v2-0016", "text": "CAOETVRETREMRY", "ciphertext": "CAOETVRETREMRY", "plaintext": "COVER MY RETREAT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0102", "text": "DDGDAXDGGGDXVVVAVVGFGGVDDVFVXVXFGDVGXGFVXFGAAGDXGFDVFGGGFDGADGFDFGFAAAGADAFFDGGGAGDFAAADGDFAFFDFFFDGDDFDDGGAFGVFDFGGXFDVVGXDDVDVVADDFVGDADGGVDDDXXDVDVDGFGDVGGFAVXDVXAFGFFAFDGAADFGGDGDDGGGFAAGVAAFDGAFAADAVAAAAFGAFAFDAFDAFDAAAFAAGGDDGDAGAFDFDDAADDFFFAGGDAFAFAFADFVGDFADGAADFDFAGDDDXVXFDFGDFDAGFDDADVVVGFXFDDFAVGGDVXDFDAFAGVDDDVGGAXV", "ciphertext": "DDGDAXDGGGDXVVVAVVGFGGVDDVFVXVXFGDVGXGFVXFGAAGDXGFDVFGGGFDGADGFDFGFAAAGADAFFDGGGAGDFAAADGDFAFFDFFFDGDDFDDGGAFGVFDFGGXFDVVGXDDVDVVADDFVGDADGGVDDDXXDVDVDGFGDVGGFAVXDVXAFGFFAFDGAADFGGDGDDGGGFAAGVAAFDGAFAADAVAAAAFGAFAFDAFDAFDAAAFAAGGDDGDAGAFDFDDAADDFFFAGGDAFAFAFADFVGDFADGAADFDFAGDDDXVXFDFGDFDAGFDDADVVVGFXFDDFAVGGDVXDFDAFAGVDDDVGGAXV", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 330, "length": 330, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0251", "text": "UJPWOHLMJRQNCOBGVDCTQQVVNKERPKIZRPYPFLAWLCUCXMQYUYLAMIBHSYJTDRGWRSIXPYZUHHVHSIEQHGQWWJKVKFGNMHTGDCSAKGESGZFOLYRLOTSYXTYGNTZINTLQOIXZUIFFZKYBGQPGIIAGCHDPTCNBIPKYALNPKUTBXKQY", "ciphertext": "UJPWOHLMJRQNCOBGVDCTQQVVNKERPKIZRPYPFLAWLCUCXMQYUYLAMIBHSYJTDRGWRSIXPYZUHHVHSIEQHGQWWJKVKFGNMHTGDCSAKGESGZFOLYRLOTSYXTYGNTZINTLQOIXZUIFFZKYBGQPGIIAGCHDPTCNBIPKYALNPKUTBXKQY", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007762", "text": "PPNB EQVO IKOE UPQX FYWK MPOB KTLU KSPJ GSXQ KMQG GWYW LLGJ ZBPM EOEU CUZP WWSD ZBHQ HFCX HWUI CSTF TIVJ WBMW MJFU SKYX WGYM AZGO HFTX WJYH ZNZP MGWC WBWR QJNA YLOE GOGF TJTJ CDUS MEQK LXLI OYSS IUED RFRZ WKOH DBBV", "ciphertext": "PPNB EQVO IKOE UPQX FYWK MPOB KTLU KSPJ GSXQ KMQG GWYW LLGJ ZBPM EOEU CUZP WWSD ZBHQ HFCX HWUI CSTF TIVJ WBMW MJFU SKYX WGYM AZGO HFTX WJYH ZNZP MGWC WBWR QJNA YLOE GOGF TJTJ CDUS MEQK LXLI OYSS IUED RFRZ WKOH DBBV", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE VIGENERE CIPHER USES A REPEATING KEYWORD A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0007509", "text": "NGONFU RAPBQRF OL ERIREFVAT GUR NYCUNORG PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT", "ciphertext": "NGONFU RAPBQRF OL ERIREFVAT GUR NYCUNORG PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0081", "text": "MVLPUCSBBOFNJFATJDJLNFFTVVDJDOLMVTTDXPDXPDJDTJLCDHTTDLMSJBCDHSFCSUJODCSVJLJKOBLCVNBJHTJCWQJCUPSG", "ciphertext": "MVLPUCSBBOFNJFATJDJLNFFTVVDJDOLMVTTDXPDXPDJDTJLCDHTTDLMSJBCDHSFCSUJODCSVJLJKOBLCVNBJHTJCWQJCUPSG", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 96, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0190", "text": "20 18 21 19 20 64 60 12 15 18 04 23 09 20 08 01 12 12 20 08 09 14 05 08 05 01 18 20 61 12 05 01 14 14 15 20 21 14 20 15 20 08 09 14 05 15 23 14 21 14 04 05 18 19 20 01 14 04 09 14 07 64 01 12 12 23 01 25 19", "ciphertext": "20 18 21 19 20 64 60 12 15 18 04 23 09 20 08 01 12 12 20 08 09 14 05 08 05 01 18 20 61 12 05 01 14 14 15 20 21 14 20 15 20 08 09 14 05 15 23 14 21 14 04 05 18 19 20 01 14 04 09 14 07 64 01 12 12 23 01 25 19", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 138, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012145", "text": "15.26.1 8.14.14 10.15.4 5.36.12 8.27.4 13.23.11 9.43.14 18.10.2 14.3.3 11.33.7 6.36.12 12.49.4 6.48.4 17.19.13 14.25.5 3.22.13 18.20.11 16.43.1 14.1.3 5.16.3 12.38.6 12.6.9 10.10.6 12.3.10 14.50.13 7.39.12 3.32.3 19.17.1 18.43.6 16.35.15 7.21.10 10.3.6 17.35.11 6.34.12 7.41.3 5.2.13 9.31.14 2.5.9 6.37.5 6.34.3 15.42.3 5.10.5 20.35.8 1.35.7 18.10.3 20.18.10 19.8.10 6.34.8 18.26.13 13.5.7 4.8.6 15.8.3 19.30.6 5.24.9 15.12.8", "ciphertext": "15.26.1 8.14.14 10.15.4 5.36.12 8.27.4 13.23.11 9.43.14 18.10.2 14.3.3 11.33.7 6.36.12 12.49.4 6.48.4 17.19.13 14.25.5 3.22.13 18.20.11 16.43.1 14.1.3 5.16.3 12.38.6 12.6.9 10.10.6 12.3.10 14.50.13 7.39.12 3.32.3 19.17.1 18.43.6 16.35.15 7.21.10 10.3.6 17.35.11 6.34.12 7.41.3 5.2.13 9.31.14 2.5.9 6.37.5 6.34.3 15.42.3 5.10.5 20.35.8 1.35.7 18.10.3 20.18.10 19.8.10 6.34.8 18.26.13 13.5.7 4.8.6 15.8.3 19.30.6 5.24.9 15.12.8", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "wallis-cipher-v2-0031", "text": "90 26 56 34 33 91 90 79 28 82 33 91 90 26 28 37 33 91", "ciphertext": "90 26 56 34 33 91 90 79 28 82 33 91 90 26 28 37 33 91", "plaintext": "VENI VIDI VICI", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0067", "text": "KYQZCX KL GYRL JCIXM QGL ZQVIOQIVL CJ MXY YXM UQ UZ Y MCIPEL GLEUN CJ PVLYQGQYWUXH PLYIQA", "ciphertext": "KYQZCX KL GYRL JCIXM QGL ZQVIOQIVL CJ MXY YXM UQ UZ Y MCIPEL GLEUN CJ PVLYQGQYWUXH PLYIQA", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003135", "text": "MPRETCTEBTAIADCKCDHEAOHHROTODIKFEIRPTEIAAORBLSOIOSNEREOERNNENETLCNTLLREEYHECYOUIQBINESYUGSCAITEUICTFNOIPLREMELNNCOENADEPHMRBULYSREEEHARMCTTRYBTYAOTARPTEEX", "ciphertext": "MPRETCTEBTAIADCKCDHEAOHHROTODIKFEIRPTEIAAORBLSOIOSNEREOERNNENETLCNTLLREEYHECYOUIQBINESYUGSCAITEUICTFNOIPLREMELNNCOENADEPHMRBULYSREEEHARMCTTRYBTYAOTARPTEEX", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 154, "length": 154, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "enigma-v2-0282", "text": "AWQEKNWJMJWAELRKSPW", "ciphertext": "AWQEKNWJMJWAELRKSPW", "plaintext": "WISDOM GUARDS THE GATE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "GHI"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015252", "text": "NSSV JZGK UBHD XZFQ SJOV QMWM YEKS EONS WXBX PSKG LLEY QSHU CCRH EPDP ZKSD ZYBK HKE", "ciphertext": "NSSV JZGK UBHD XZFQ SJOV QMWM YEKS EONS WXBX PSKG LLEY QSHU CCRH EPDP ZKSD ZYBK HKE", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 67, "length": 67, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "four-square-v2-0207", "text": "PCBUBOSRNLDDOEOUDDIDBNLOPCPCEUCBQRTHIMQSHLENCPDEFLBDDSPRAEMTQQUDQREPLDWIQLKIOQGY", "ciphertext": "PCBUBOSRNLDDOEOUDDIDBNLOPCPCEUCBQRTHIMQSHLENCPDEFLBDDSPRAEMTQQUDQREPLDWIQLKIOQGY", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017685", "text": "63 1 91 25 33 3 81 78 45 34 64 11 17 33 96 63 67 58 48 2 80 40 45 99 72 2 39 63 17 2 67 33 25 66 87 11 14 67 11 25 66 25 14 60 49 26 15 72 67 11 33 3 79 2 67 96 22 22 79 66 64 33 70 87 22 87 72 40 48 50 67 22 46 45 34 33 87 72 70 46 66 62 48 15 21 48", "ciphertext": "63 1 91 25 33 3 81 78 45 34 64 11 17 33 96 63 67 58 48 2 80 40 45 99 72 2 39 63 17 2 67 33 25 66 87 11 14 67 11 25 66 25 14 60 49 26 15 72 67 11 33 3 79 2 67 96 22 22 79 66 64 33 70 87 22 87 72 40 48 50 67 22 46 45 34 33 87 72 70 46 66 62 48 15 21 48", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0005016", "text": "ARITH LOTHI AKHEN NECBE TEROX UNIMX RIBBX IGSEX NMAMX GANAX BWDCX", "ciphertext": "ARITH LOTHI AKHEN NECBE TEROX UNIMX RIBBX IGSEX NMAMX GANAX BWDCX", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "scytale", "cipher": "scytale", "key": {"cols": 11}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "cda-0012673", "text": "ATBA SHEN CODE SBXR EVER SING XHEA LPHA BEZT HEDE TECT IVES TXDI ESPA TTER NSBE XORE MAKI NGCL AIMZ COLU MNAR TRAN SPOS ITIO NREA DSCO LUMN SIZK EYOR DERS LOWL YZ", "ciphertext": "ATBA SHEN CODE SBXR EVER SING XHEA LPHA BEZT HEDE TECT IVES TXDI ESPA TTER NSBE XORE MAKI NGCL AIMZ COLU MNAR TRAN SPOS ITIO NREA DSCO LUMN SIZK EYOR DERS LOWL YZ", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER SLOWLY", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 130, "length": 130, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0012405", "text": "GRCB HLSZ RHUG FWLU STFB NBKV QPAD YFQP YPWT KJFM DKOQ KECN COFB CDQI AUVI ZQCH LWAM OXWD LCSW TCWF NURH KLVR RRCR NRGX OMTM MZDB FHKA DCGK MMBU", "ciphertext": "GRCB HLSZ RHUG FWLU STFB NBKV QPAD YFQP YPWT KJFM DKOQ KECN COFB CDQI AUVI ZQCH LWAM OXWD LCSW TCWF NURH KLVR RRCR NRGX OMTM MZDB FHKA DCGK MMBU", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 116, "length": 116, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0206", "text": "173 177 155 179 143 153 128 114 167 181 169 174 115 177 173 160 177 100 174 157 175 124 100 166 119 112 152 119 173 177 149 168 136 122 130 134 114 180 166 179 161 177 173 170 149 157 173 113 114 164 133 168 161 157 146 150 127 128 168 100 180 117", "ciphertext": "173 177 155 179 143 153 128 114 167 181 169 174 115 177 173 160 177 100 174 157 175 124 100 166 119 112 152 119 173 177 149 168 136 122 130 134 114 180 166 179 161 177 173 170 149 157 173 113 114 164 133 168 161 157 146 150 127 128 168 100 180 117", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 186, "length": 247, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0300", "text": "VPEXAAQUEUJOZGECPUUCIDIVJEKVHRFRCOQVIRPFTYOQRWEBWCBBTTRGNXHPCDIVBECC", "ciphertext": "VPEXAAQUEUJOZGECPUUCIDIVJEKVHRFRCOQVIRPFTYOQRWEBWCBBTTRGNXHPCDIVBECC", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0352", "text": "GVWNOHYYUVIHFNGQADJMDRUAZSKVYUSWXHMPNSHKGBRUUZSPSMKQFYWVASDNSXVANFOHF", "ciphertext": "GVWNOHYYUVIHFNGQADJMDRUAZSKVYUSWXHMPNSHKGBRUUZSPSMKQFYWVASDNSXVANFOHF", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "noisy-vigenere-telegraph-035", "text": "LLGVRBYQCDEVZMPVYLWHTFXHJWUFGKWEVVEHGQRCIQHSNPEEHLCSIMAGULFLLMVLXBGR", "ciphertext": "LLGVRBYQCDEVZMPVYLWHTFXHJWUFGKWEVVEHGQRCIQHSNPEEHLCSIMAGULFLLMVLXBGR", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A COMPLEX POLYALPHABETIC SUBSTITUTION", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-060", "text": "TPSLCBTJRIFVYTFADROTKNDYYTRWQYIUWCVMEEYEAJMDTFNOXRMEQLCZJSLOUBYCJUUFTMBBKLHYKRWXPQGFLDYTGOIFRHQXUWVQHHPHRMZYVINYMSKBTIZVBFBLODIPATGSEKRRBBAPPLN", "ciphertext": "TPSLCBTJRIFVYTFADROTKNDYYTRWQYIUWCVMEEYEAJMDTFNOXRMEQLCZJSLOUBYCJUUFTMBBKLHYKRWXPQGFLDYTGOIFRHQXUWVQHHPHRMZYVINYMSKBTIZVBFBLODIPATGSEKRRBBAPPLN", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "TYPEX"}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0162", "text": "AAAAAAAFZCARA7", "ciphertext": "AAAAAAAFZCARA7", "plaintext": "LIBERTY OR DEATH", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0282", "text": "118 181 136 156 156 101 130 142 139 111 181 170 121 181 121 141 118 128 168 101 140 119 114 118 181 136 156 111 181 101 104 104 101 140 178 156 141 126 154 152 164 167 171 137 141 103 109 178 150 138 154 142", "ciphertext": "118 181 136 156 156 101 130 142 139 111 181 170 121 181 121 141 118 128 168 101 140 119 114 118 181 136 156 111 181 101 104 104 101 140 178 156 141 126 154 152 164 167 171 137 141 103 109 178 150 138 154 142", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 156, "length": 207, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0315", "text": "AQRKYQOLFFLAECYLCOBNYNEITYQFEQPLOOYCCELUTGXHCFIRSSKUKHUMQTXUSIXKFTMHTDAKZFBABAXVS", "ciphertext": "AQRKYQOLFFLAECYLCOBNYNEITYQFEQPLOOYCCELUTGXHCFIRSSKUKHUMQTXUSIXKFTMHTDAKZFBABAXVS", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006180", "text": "RXU KNWDWFGCFQNU SXKQTV YEOG SQSKGG XYTBUT LRG QLG LQYA JKB QS LRGQHGLQIENZG EXDHGEOKDNG WT QMUH CKTNUILNM", "ciphertext": "RXU KNWDWFGCFQNU SXKQTV YEOG SQSKGG XYTBUT LRG QLG LQYA JKB QS LRGQHGLQIENZG EXDHGEOKDNG WT QMUH CKTNUILNM", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "KEY"}, "difficulty": "hard", "language": "en", "text_length": 91, "length": 91, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "playfair-v2-0396", "text": "AFROHAVIBCEUTFNYGBQLPVONRIHLLCLZBCSTLYFZNDGNEUINBHNOYOFAAFRCCA", "ciphertext": "AFROHAVIBCEUTFNYGBQLPVONRIHLLCLZBCSTLYFZNDGNEUINBHNOYOFAAFRCCA", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0198", "text": "AMNNGBMERCYSPOYYYEWOVGJLICOTRKXCNBWXEVHLMQUSQBMVAEDLWDEZDMRUFROPJMLJDAXXHLQXVXOURKLRHGLDFXALTLPQNWUDLQKNYRWVQWEFQMIGLYUFOMNSGUSFQQVFNYUHHPCUTYHWGDNENCHLPDHKEUEJS", "ciphertext": "AMNNGBMERCYSPOYYYEWOVGJLICOTRKXCNBWXEVHLMQUSQBMVAEDLWDEZDMRUFROPJMLJDAXXHLQXVXOURKLRHGLDFXALTLPQNWUDLQKNYRWVQWEFQMIGLYUFOMNSGUSFQQVFNYUHHPCUTYHWGDNENCHLPDHKEUEJS", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v2-0041", "text": ".- .-.. .-.. / - .... .- - / --. .-.. .. - - . .-. ... / .. ... / -. --- - / --. --- .-.. -.. / --- ..-. - . -. / .... .- ...- . / -.-- --- ..- / .... . .- .-. -.. / - .... .- - / - --- .-.. -..", "ciphertext": ".- .-.. .-.. / - .... .- - / --. .-.. .. - - . .-. ... / .. ... / -. --- - / --. --- .-.. -.. / --- ..-. - . -. / .... .- ...- . / -.-- --- ..- / .... . .- .-. -.. / - .... .- - / - --- .-.. -..", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 135, "length": 194, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015994", "text": "MDSV UNET XKDT ZXLH VGJN PMLH ZTJB TMGN MFHD EBVQ WYJU MLHP SLTF GMAV WLKI QOGD PIFG IVQK TXWC EKQV SLRT EP", "ciphertext": "MDSV UNET XKDT ZXLH VGJN PMLH ZTJB TMGN MFHD EBVQ WYJU MLHP SLTF GMAV WLKI QOGD PIFG IVQK TXWC EKQV SLRT EP", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "rail-fence-fr-024", "text": "TQEINFOEUTXSFISIIUCISCSETINATTEESGN", "ciphertext": "TQEINFOEUTXSFISIIUCISCSETINATTEESGN", "plaintext": "TOUT CE QUI EST EXCESSIF EST INSIGNIFIANT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 4}, "difficulty": "intermediate", "language": "fr", "text_length": 35, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "stager-route-331", "text": "WESFTEALXTNHETSEHEOVAAEXXDRTIBTOLREDAEEXXQCLESUDTTENLRUXXAEMTLHH", "ciphertext": "WESFTEALXTNHETSEHEOVAAEXXDRTIBTOLREDAEEXXQCLESUDTTENLRUXXAEMTLHH", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v2-0529", "text": "EUBBLBOIPTPVEM", "ciphertext": "EUBBLBOIPTPVEM", "plaintext": "TRUST BUT VERIFY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021768", "text": "OKEDY CHOLY PCHOL QOTED YOXED CHEDY CHOLD AIINY KCHEO LOTED YRCHE OLYPC HOLDA INYOK AINOK EEDYD AIINO KEDY", "ciphertext": "OKEDY CHOLY PCHOL QOTED YOXED CHEDY CHOLD AIINY KCHEO LOTED YRCHE OLYPC HOLDA INYOK AINOK EEDYD AIINO KEDY", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "sigaba-v3-0395", "text": "BBIPIUARUTJBMGMBFXHRDAQGXUYPOYWKFVWUCYNMIJERMWORPQSKKEDLLQFMXBLPBINCWJBLNQRAG", "ciphertext": "BBIPIUARUTJBMGMBFXHRDAQGXUYPOYWKFVWUCYNMIJERMWORPQSKKEDLLQFMXBLPBINCWJBLNQRAG", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-1092", "text": "RL KLS EL EAKSIA DKSL SBCS ELLR KDEBS LIR CEA QBLTIR OTPK CKR PCVA CS UILQA LG RCY PCEA PCEA", "ciphertext": "RL KLS EL EAKSIA DKSL SBCS ELLR KDEBS LIR CEA QBLTIR OTPK CKR PCVA CS UILQA LG RCY PCEA PCEA", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "beginner", "language": "en", "text_length": 73, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-012", "text": "¬ ┐ ┌• ┬ ┼ ┐• ┴• ┼ ▽ ¬ ┬ ⌐ ┼• ┌ ┼ ├", "ciphertext": "¬ ┐ ┌• ┬ ┼ ┐• ┴• ┼ ▽ ¬ ┬ ⌐ ┼• ┌ ┼ ├", "plaintext": "CIPHER KEY CHANGED", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-154", "text": "KLGRMALABNMAEZJJSPAWJVEBZXYVQCALOMLLGAK", "ciphertext": "KLGRMALABNMAEZJJSPAWJVEBZXYVQCALOMLLGAK", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005095", "text": "BOTCCVEDYTSPDRIAIHREATEPLGEETELSCAEORRIUFSEOFNNRIF", "ciphertext": "BOTCCVEDYTSPDRIAIHREATEPLGEETELSCAEORRIUFSEOFNNRIF", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 5}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0012929", "text": "66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66 36 69 11 76 68 50 57 61 66 36 82 55 68 61 50 61 55 50 82 73 68 77 50 29 68 66 50 69 29 76 50 29 11 61 80 82 65 82 68 66 82 11 66 80 50 25 80 68 77 61 50 29 52 50 65 36 82 80 66 82 73 66 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61", "ciphertext": "66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66 36 69 11 76 68 50 57 61 66 36 82 55 68 61 50 61 55 50 82 73 68 77 50 29 68 66 50 69 29 76 50 29 11 61 80 82 65 82 68 66 82 11 66 80 50 25 80 68 77 61 50 29 52 50 65 36 82 80 66 82 73 66 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 186, "length": 186, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-079", "text": "28293617129285671722026528", "ciphertext": "28293617129285671722026528", "plaintext": "NO PRISONERS TAKEN", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "CIPHERMUS"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v3-0209", "text": "T4 R0 V3 L0 J3 F9 J8 J4 U8 R0 E6 T2 V6 P5 O2 A5 V3 G4", "ciphertext": "T4 R0 V3 L0 J3 F9 J8 J4 U8 R0 E6 T2 V6 P5 O2 A5 V3 G4", "plaintext": "THE ORACLE HAS SPOKEN", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015325", "text": "2.33.12 1.29.15 2.17.1 6.3.8 3.39.12 2.40.14 20.31.10 12.28.15 3.5.4 11.3.3 18.21.6 6.25.11 17.7.15 10.15.11 17.44.6 20.46.7 10.6.15 9.13.9 18.24.2 1.34.3 15.34.11 19.9.5 12.39.6 3.7.8 15.39.12 3.40.7 18.26.12 8.11.12 15.42.13 1.17.8 16.12.6 16.12.15 6.28.1 10.6.11 9.41.13 14.34.7 14.3.2 12.24.4 8.4.11 19.36.1 7.46.1 9.14.3 18.12.14 9.36.5 16.7.9 20.26.11 1.7.14 4.46.1 16.39.13 15.38.12 5.1.5 6.22.4 16.15.9 20.29.2 11.16.13 15.42.5 18.46.14 20.33.3 6.30.8 14.32.6 14.1.7 17.29.5 11.13.1 8.18.11 20.42.11 7.20.14 16.47.2 17.38.4 15.4.1 3.7.6 11.31.5 4.39.6 6.22.1 14.29.12 13.34.2 4.17.4 13.7.8 6.49.11 17.37.2 6.30.1 14.26.13 5.16.10 9.14.3 15.47.7 9.3.6 7.31.12 20.18.13 6.23.13 10.9.10 19.14.11 7.17.3 14.29.2 15.15.6 8.30.15 19.14.7 14.39.8 5.28.9 18.16.9 4.48.4 3.38.12 10.48.12 12.4.4 4.17.9 18.32.15 3.2.3 9.11.2 14.15.15 19.10.11 4.44.8 10.6.9 17.5.1 7.17.13 1.7.9 1.12.5 14.41.11 1.46.10 8.28.10 5.24.7 1.28.13 14.28.1 1.9.10 10.15.12 2.34.7 18.28.13 8.6.4 2.9.12 12.32.11 15.8.15 16.16.12 18.22.10 4.21.7 2.16.9 6.20.3 7.43.7 12.48.6 5.50.4 15.29.11 2.33.12 8.3.11 7.7.1 8.8.8 1.13.15 18.19.13", "ciphertext": "2.33.12 1.29.15 2.17.1 6.3.8 3.39.12 2.40.14 20.31.10 12.28.15 3.5.4 11.3.3 18.21.6 6.25.11 17.7.15 10.15.11 17.44.6 20.46.7 10.6.15 9.13.9 18.24.2 1.34.3 15.34.11 19.9.5 12.39.6 3.7.8 15.39.12 3.40.7 18.26.12 8.11.12 15.42.13 1.17.8 16.12.6 16.12.15 6.28.1 10.6.11 9.41.13 14.34.7 14.3.2 12.24.4 8.4.11 19.36.1 7.46.1 9.14.3 18.12.14 9.36.5 16.7.9 20.26.11 1.7.14 4.46.1 16.39.13 15.38.12 5.1.5 6.22.4 16.15.9 20.29.2 11.16.13 15.42.5 18.46.14 20.33.3 6.30.8 14.32.6 14.1.7 17.29.5 11.13.1 8.18.11 20.42.11 7.20.14 16.47.2 17.38.4 15.4.1 3.7.6 11.31.5 4.39.6 6.22.1 14.29.12 13.34.2 4.17.4 13.7.8 6.49.11 17.37.2 6.30.1 14.26.13 5.16.10 9.14.3 15.47.7 9.3.6 7.31.12 20.18.13 6.23.13 10.9.10 19.14.11 7.17.3 14.29.2 15.15.6 8.30.15 19.14.7 14.39.8 5.28.9 18.16.9 4.48.4 3.38.12 10.48.12 12.4.4 4.17.9 18.32.15 3.2.3 9.11.2 14.15.15 19.10.11 4.44.8 10.6.9 17.5.1 7.17.13 1.7.9 1.12.5 14.41.11 1.46.10 8.28.10 5.24.7 1.28.13 14.28.1 1.9.10 10.15.12 2.34.7 18.28.13 8.6.4 2.9.12 12.32.11 15.8.15 16.16.12 18.22.10 4.21.7 2.16.9 6.20.3 7.43.7 12.48.6 5.50.4 15.29.11 2.33.12 8.3.11 7.7.1 8.8.8 1.13.15 18.19.13", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 143, "length": 143, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "hill-v2-0095", "text": "OXWAVVPYOJKWKKMGLDFAEPBJTKBGDPDCWBKWFMDVXMQXYQTSNAKWCKXSMIJAJIZWXTNNNITSRPRMKYBUTZ", "ciphertext": "OXWAVVPYOJKWKKMGLDFAEPBJTKBGDPDCWBKWFMDVXMQXYQTSNAKWCKXSMIJAJIZWXTNNNITSRPRMKYBUTZ", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0192", "text": "HTCIORINITEDZVLWNDDENKHFIPIYRHGGKOGXSTESRKPYDMLOTTFAITHRAIAH+LVPUHUKFGLAOHVREAJCLCG", "ciphertext": "HTCIORINITEDZVLWNDDENKHFIPIYRHGGKOGXSTESRKPYDMLOTTFAITHRAIAH+LVPUHUKFGLAOHVREAJCLCG", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009232", "text": "NANSS VARPV CUREN CCYVR FNYVA RNESH APGVB AGBRN PUYRG GRECH OYVPV ASENF GEHPG HERQR FREIR FPNER SHYQR FVTAG URXNF VFXVR KNZVA NGVBA SVAQF ERCRN GRQGE VTENZ FVAPV CUREG RKGGB ZBEEB J", "ciphertext": "NANSS VARPV CUREN CCYVR FNYVA RNESH APGVB AGBRN PUYRG GRECH OYVPV ASENF GEHPG HERQR FREIR FPNER SHYQR FVTAG URXNF VFXVR KNZVA NGVBA SVAQF ERCRN GRQGE VTENZ FVAPV CUREG RKGGB ZBEEB J", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TOMORROW", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 151, "length": 151, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "fractionated-morse-v3-0511", "text": "MJRCTWVLIPQSTATQALJPAPSASEDQQMMGEGSJMQAWNEAGJAQXEDRJMVWNTQSKVGFXJEWRGIPQSTATQQEGFNLGTAIXJEPQELEMHWNESCGDXJEGEVENIPALUEGCMALGJWQQATPSTWMCMPENASKVSIMVGMEURJQMEDQSDEVEESMGSDECMVAWNTWNNMNASEGJQXMJRFEGKPESSGH", "ciphertext": "MJRCTWVLIPQSTATQALJPAPSASEDQQMMGEGSJMQAWNEAGJAQXEDRJMVWNTQSKVGFXJEWRGIPQSTATQQEGFNLGTAIXJEPQELEMHWNESCGDXJEGEVENIPALUEGCMALGJWQQATPSTWMCMPENASKVSIMVGMEURJQMEDQSDEVEESMGSDECMVAWNTWNNMNASEGJQXMJRFEGKPESSGH", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 203, "length": 203, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0438", "text": "FKYMLHYSMRANNMKCHBDMUOKCFJEHMRWWDISJKEIJEBDMQRUBKPOQGTKQNDCZANBIMRWWHY", "ciphertext": "FKYMLHYSMRANNMKCHBDMUOKCFJEHMRWWDISJKEIJEBDMQRUBKPOQGTKQNDCZANBIMRWWHY", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013424", "text": "9.47.9 15.31.11 8.36.9 10.36.14 4.11.15 4.38.11 6.30.14 7.13.5 11.43.14 11.39.6 20.29.1 17.34.6 1.7.14 13.38.3 7.15.2 18.22.6 8.33.4 17.23.10 13.1.9 8.44.9 5.3.11 17.27.5 16.14.11 9.3.1 14.46.7 14.49.4 9.11.11 4.30.6 3.29.10 1.19.9 2.32.2 18.25.8 6.24.13 6.34.9 17.34.3 1.21.4 18.7.11 4.32.1 14.26.4 12.7.7 6.32.9 19.26.15 4.46.14 9.6.14 19.39.3 6.19.15 16.32.14 12.9.7 20.30.7 16.28.1 5.3.4 11.2.14 7.30.13 20.18.13 7.16.13 18.3.11 14.42.2 5.30.11 19.36.13 17.31.11 3.16.13 7.3.9 11.16.10 9.35.7 10.24.8 5.11.3 20.40.5 2.28.2 15.42.15 17.23.11 17.3.15 12.38.15 13.40.8 1.7.5 13.25.3 6.41.9 1.37.7 6.23.10 18.20.1 19.20.14 17.9.9 7.25.4 2.2.4 17.18.8 19.8.14 7.40.10 6.12.4 19.39.3 19.6.3 1.11.13 17.49.9 16.17.12 18.40.7 3.6.4 14.31.12 7.15.9 2.27.6 20.34.1 5.42.4 16.45.1 6.16.10 15.16.14 12.7.5 16.34.9 9.46.5 7.23.5 3.22.3 4.37.15 9.49.10 16.39.14 2.27.1 8.11.3 5.21.10 14.47.3 1.28.15 15.44.4 2.48.15 20.7.8 4.48.13 15.28.2 10.16.15 3.34.10 4.31.1 8.12.2 13.35.10 18.2.4 7.11.2 7.11.5 9.23.7 4.17.2 20.1.15 13.15.12 10.43.9 15.28.1 4.1.14 1.16.14 13.16.10 2.11.6 17.4.2 6.4.11 4.36.3 11.1.15 6.5.10 15.5.2 6.27.13 2.10.11 11.33.2 10.10.12 17.33.7 6.12.2 17.35.3 5.8.6 7.24.2 12.46.13 14.16.11 3.17.1 17.48.11 13.38.1 1.12.13 7.43.3 12.35.6 5.25.4 8.24.5 4.26.15 12.50.2 20.11.11 12.26.3 7.14.3 10.39.5 9.40.3 6.43.11 17.23.6 19.21.2 11.34.9 1.31.12 2.13.15 1.37.14 10.7.9 8.1.13 1.36.7 17.42.8 10.45.13 19.6.1 7.24.5 16.11.4 6.43.15 7.37.4", "ciphertext": "9.47.9 15.31.11 8.36.9 10.36.14 4.11.15 4.38.11 6.30.14 7.13.5 11.43.14 11.39.6 20.29.1 17.34.6 1.7.14 13.38.3 7.15.2 18.22.6 8.33.4 17.23.10 13.1.9 8.44.9 5.3.11 17.27.5 16.14.11 9.3.1 14.46.7 14.49.4 9.11.11 4.30.6 3.29.10 1.19.9 2.32.2 18.25.8 6.24.13 6.34.9 17.34.3 1.21.4 18.7.11 4.32.1 14.26.4 12.7.7 6.32.9 19.26.15 4.46.14 9.6.14 19.39.3 6.19.15 16.32.14 12.9.7 20.30.7 16.28.1 5.3.4 11.2.14 7.30.13 20.18.13 7.16.13 18.3.11 14.42.2 5.30.11 19.36.13 17.31.11 3.16.13 7.3.9 11.16.10 9.35.7 10.24.8 5.11.3 20.40.5 2.28.2 15.42.15 17.23.11 17.3.15 12.38.15 13.40.8 1.7.5 13.25.3 6.41.9 1.37.7 6.23.10 18.20.1 19.20.14 17.9.9 7.25.4 2.2.4 17.18.8 19.8.14 7.40.10 6.12.4 19.39.3 19.6.3 1.11.13 17.49.9 16.17.12 18.40.7 3.6.4 14.31.12 7.15.9 2.27.6 20.34.1 5.42.4 16.45.1 6.16.10 15.16.14 12.7.5 16.34.9 9.46.5 7.23.5 3.22.3 4.37.15 9.49.10 16.39.14 2.27.1 8.11.3 5.21.10 14.47.3 1.28.15 15.44.4 2.48.15 20.7.8 4.48.13 15.28.2 10.16.15 3.34.10 4.31.1 8.12.2 13.35.10 18.2.4 7.11.2 7.11.5 9.23.7 4.17.2 20.1.15 13.15.12 10.43.9 15.28.1 4.1.14 1.16.14 13.16.10 2.11.6 17.4.2 6.4.11 4.36.3 11.1.15 6.5.10 15.5.2 6.27.13 2.10.11 11.33.2 10.10.12 17.33.7 6.12.2 17.35.3 5.8.6 7.24.2 12.46.13 14.16.11 3.17.1 17.48.11 13.38.1 1.12.13 7.43.3 12.35.6 5.25.4 8.24.5 4.26.15 12.50.2 20.11.11 12.26.3 7.14.3 10.39.5 9.40.3 6.43.11 17.23.6 19.21.2 11.34.9 1.31.12 2.13.15 1.37.14 10.7.9 8.1.13 1.36.7 17.42.8 10.45.13 19.6.1 7.24.5 16.11.4 6.43.15 7.37.4", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 187, "length": 187, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "copiale-v3-0225", "text": "T4 R0 V3 A5 U1 K6 J6 G2 U8 G0 E6 W5 X4 O4 H0 U2 K2 A2 K8 R9", "ciphertext": "T4 R0 V3 A5 U1 K6 J6 G2 U8 G0 E6 W5 X4 O4 H0 U2 K2 A2 K8 R9", "plaintext": "THE KING DEMANDS FEALTY", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-259", "text": "STNOARRNPEEISONK", "ciphertext": "STNOARRNPEEISONK", "plaintext": "NO PRISONERS TAKEN", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-v3-0304", "text": "5645 4871 5563 5397 4154 4680 4998 5563 4427 4871 4871 4680 4550 4427 4998 4298 4427 4489 5397 5060 4934 4216 4871 4427 5563 4298 4614 4871 4427 5963 5166 4154 5397 4809 4550 4154 5741 4427 5563 4614 4427 4154 4871 4871 4680 4427 5488 4154 4998 4427 4998 5060 5397 4934 5060 5645 5488 4154 4361 5741 4154 4998 5563 4154 4550 4427 4680 4998 5814 5060 5397 4871 4361 5814 4154 5397 5563 5814 5060 4216 5963 5397 4427 5741 4427 4154 4871 4680 4998 4550 4550 4427 5397 4934 4154 4998 4680 4998 5563 4427 4998 5563 4680 5060 4998 5488 4216 4427 4489 5060 5397 4427 5060 5166 4427 5397 4154 5563 4680 5060 4998 5488 4216 4427 4550 4154 4998 4216 5645 5563 5563 4614 4427 5488 5060 5645 5397 4298 4427 4614 4154 4361 5563 5060 4216 4427 5166 5397 5060 5563 4427 4298 5563 4427 4361 4154 5563 4154 4871 4871 4298 5060 5488 5563 5488", "ciphertext": "5645 4871 5563 5397 4154 4680 4998 5563 4427 4871 4871 4680 4550 4427 4998 4298 4427 4489 5397 5060 4934 4216 4871 4427 5563 4298 4614 4871 4427 5963 5166 4154 5397 4809 4550 4154 5741 4427 5563 4614 4427 4154 4871 4871 4680 4427 5488 4154 4998 4427 4998 5060 5397 4934 5060 5645 5488 4154 4361 5741 4154 4998 5563 4154 4550 4427 4680 4998 5814 5060 5397 4871 4361 5814 4154 5397 5563 5814 5060 4216 5963 5397 4427 5741 4427 4154 4871 4680 4998 4550 4550 4427 5397 4934 4154 4998 4680 4998 5563 4427 4998 5563 4680 5060 4998 5488 4216 4427 4489 5060 5397 4427 5060 5166 4427 5397 4154 5563 4680 5060 4998 5488 4216 4427 4550 4154 4998 4216 5645 5563 5563 4614 4427 5488 5060 5645 5397 4298 4427 4614 4154 4361 5563 5060 4216 4427 5166 5397 5060 5563 4427 4298 5563 4427 4361 4154 5563 4154 4871 4871 4298 5060 5488 5563 5488", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 660, "length": 824, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-057", "text": "LUMTWDULFWIPVVXWPFFMHSIEJGJGBYHEXPYKFKSJDUXBXNSINFLOMOLEFJPWHVWUMDUJSTPULFXHISOTUFHEJDEAFYDLIJSFSIBXHEHFARUMPSWPXIFWDEVXHGSSBKJGIYKFCHFYFXIJOBWUKXMPNJDTYSJ", "ciphertext": "LUMTWDULFWIPVVXWPFFMHSIEJGJGBYHEXPYKFKSJDUXBXNSINFLOMOLEFJPWHVWUMDUJSTPULFXHISOTUFHEJDEAFYDLIJSFSIBXHEHFARUMPSWPXIFWDEVXHGSSBKJGIYKFCHFYFXIJOBWUKXMPNJDTYSJ", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31415"}, "difficulty": "intermediate", "language": "en", "text_length": 155, "length": 155, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v2-0454", "text": "TEUTSSRWDVWTBCWXIBYWQYUMZYIEHEBLIQJUPKKSXOFLMGHVSVOHZRURDSOTACBDCZGPLNWPJTVVE", "ciphertext": "TEUTSSRWDVWTBCWXIBYWQYUMZYIEHEBLIQJUPKKSXOFLMGHVSVOHZRURDSOTACBDCZGPLNWPJTVVE", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0170", "text": "EAGSCJHLQAIYZIVGKITTDBHZXXLYDNRQDPFUOXLPZVOQQPPKDAKXWGTWRQDPQXZDFPMO", "ciphertext": "EAGSCJHLQAIYZIVGKITTDBHZXXLYDNRQDPFUOXLPZVOQQPPKDAKXWGTWRQDPQXZDFPMO", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-190", "text": "DWLUKMCXLCLLGSNHTPOMJ", "ciphertext": "DWLUKMCXLCLLGSNHTPOMJ", "plaintext": "THE PACKAGE IS DELIVERED", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-vg-0061", "text": "SBAGNNRMVOKUMLWRCDWEAANEKKYPCEOWITGRMYDCCORLRUVCNNEDDGIBHLETZHRFZN", "ciphertext": "SBAGNNRMVOKUMLWRCDWEAANEKKYPCEOWITGRMYDCCORLRUVCNNEDDGIBHLETZHRFZN", "plaintext": "STAND FIRM AND DO NOT LET YOURSELVES BE BURDENED AGAIN BY A YOKE OF SLAVERY TO SIN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0339", "text": "SUFNKURZEQEITSUHLEERKKCQHTMHAFRQDLBBEKIXEQEITSSUFNKUGCQULELUPUENDFOHTOGCKPUNCK", "ciphertext": "SUFNKURZEQEITSUHLEERKKCQHTMHAFRQDLBBEKIXEQEITSSUFNKUGCQULELUPUENDFOHTOGCKPUNCK", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004417", "text": "TIGSP FEMIR BNUCV THVFV LTLQQ OAJTV SKRLB COCEF WBKCL THZKR QKYBN DRYAY QWQMD BYTUE AZGVS FRGCS KEWFT KBQOM AZPTC RUACI APSAS UKWYY OVVLS ATRFH CRHXU XDICS TFTWS FJPNO OCQAH AUKLX L", "ciphertext": "TIGSP FEMIR BNUCV THVFV LTLQQ OAJTV SKRLB COCEF WBKCL THZKR QKYBN DRYAY QWQMD BYTUE AZGVS FRGCS KEWFT KBQOM AZPTC RUACI APSAS UKWYY OVVLS ATRFH CRHXU XDICS TFTWS FJPNO OCQAH AUKLX L", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 151, "length": 151, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0302", "text": "XDXAADVDADAAXDXGFDDFXAAAADVAXAAAXGXAAAADFFGAFGFXVDFXDFAVAAGADFGXDAAXGAADAFDFAAGGAAAFGVGXDFAFDGFAFGAAGFAGDADVAAFADAAVGAFAFAAGDAFXVDFXAADDAXGXAAADAXDVDDAADXAFAAAXFADDDFAVFFDVDVFFAADAGAFXDXDAGAFXDXGGGAGXAAAADXDDAAGFDAGAFDAXDXGGAXAXDVAGDGAGXAGGFDGAFDADFGAGXFDGADDGFAXGDFDFFFAGGAGDVDDFVGDFXDXAFFXFFADAADVDXAFGAAXAXFXDVFAADFFAXF", "ciphertext": "XDXAADVDADAAXDXGFDDFXAAAADVAXAAAXGXAAAADFFGAFGFXVDFXDFAVAAGADFGXDAAXGAADAFDFAAGGAAAFGVGXDFAFDGFAFGAAGFAGDADVAAFADAAVGAFAFAAGDAFXVDFXAADDAXGXAAADAXDVDDAADXAFAAAXFADDDFAVFFDVDVFFAADAGAFXDXDAGAFXDXGGGAGXAAAADXDDAAGFDAGAFDAXDXGGAXAXDVAGDGAGXAGGFDGAFDADFGAGXFDGADDGFAXGDFDFFFAGGAGDVDDFVGDFXDXAFFXFFADAADVDXAFGAAXAXFXDVFAADFFAXF", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 322, "length": 322, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0353", "text": "HGPTCEEFNNDITYPQGVECRTHGDWJTREPDZUYGPSFKBSCEFYATXPADXMATFVYFBXXGJRBSWUQEPDEFUJ", "ciphertext": "HGPTCEEFNNDITYPQGVECRTHGDWJTREPDZUYGPSFKBSCEFYATXPADXMATFVYFBXXGJRBSWUQEPDEFUJ", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0116", "text": "108 178 141 170 174 147 165 175 172 166 123 163 123 102 138 174 147 152 117 137 143 100 167 133 106 128 108 178 156 135 178 108 177 179 107 122 100 133 143 129 171 166 127 140 152 163 130 167 176 161 146 166 123 103 154 116 166 108 177 158 149 116 108 146 167 119 137 133 142 144 172 123 127 150 170 178 108 165 175 172 160 141 152 123 103 154 116 108 177 129 108 178 163 142 173 172 166 162 110 171 173 112 160 172 120 172 172 131 170 126 109 172 143 154 177 172 154 135 152 178", "ciphertext": "108 178 141 170 174 147 165 175 172 166 123 163 123 102 138 174 147 152 117 137 143 100 167 133 106 128 108 178 156 135 178 108 177 179 107 122 100 133 143 129 171 166 127 140 152 163 130 167 176 161 146 166 123 103 154 116 166 108 177 158 149 116 108 146 167 119 137 133 142 144 172 123 127 150 170 178 108 165 175 172 160 141 152 123 103 154 116 108 177 129 108 178 163 142 173 172 166 162 110 171 173 112 160 172 120 172 172 131 170 126 109 172 143 154 177 172 154 135 152 178", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 360, "length": 479, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016034", "text": "OOGCRQSJBQXZMRLLQQEBXVMOHQCYLFNFJLQGRBOBIABXWTHKANKHWVJTMDATMEOYLFMHDUNTTFSPPAJMVWFDBZMDFCXZJKKTFWEUEGMEAHFWZBDHEAEDLDUJNTPZDHXFOSN", "ciphertext": "OOGCRQSJBQXZMRLLQQEBXVMOHQCYLFNFJLQGRBOBIABXWTHKANKHWVJTMDATMEOYLFMHDUNTTFSPPAJMVWFDBZMDFCXZJKKTFWEUEGMEAHFWZBDHEAEDLDUJNTPZDHXFOSN", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 131, "length": 131, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "argenti-v3-0032", "text": "14 41 22 44 43 32 73 41 88 57 82 69 21 65 24 51 34 14 43 22 35 32 82 25 69", "ciphertext": "14 41 22 44 43 32 73 41 88 57 82 69 21 65 24 51 34 14 43 22 35 32 82 25 69", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 50, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0058", "text": "108 178 107 171 173 167 175 160 111 166 178 131 182 102 165 174 147 152 167 128 167 150 145 172 106 103 131 167 108 100 111 172 151 143 150 173 160 172 128 174 172 166 162 175 152 169 138 172 158 161 131 166 170 178 175 160 166 138 136 119 138 108", "ciphertext": "108 178 107 171 173 167 175 160 111 166 178 131 182 102 165 174 147 152 167 128 167 150 145 172 106 103 131 167 108 100 111 172 151 143 150 173 160 172 128 174 172 166 162 175 152 169 138 172 158 161 131 166 170 178 175 160 166 138 136 119 138 108", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 186, "length": 247, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-174", "text": "GDRRHROPYHBEFGDRFPFGROIRFAVHPBKJQAXDRJUQQBJIAHVLPEAGDVJRUGQUJR", "ciphertext": "GDRRHROPYHBEFGDRFPFGROIRFAVHPBKJQAXDRJUQQBJIAHVLPEAGDVJRUGQUJR", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015965", "text": "6346 2577 01632 1346 01572 6329 1580 01034 06319 02900 6984 1661 5984 06367 6622 1308 2862 1639 5985 05050 0373 6282 6311 01623 5722 04475 06009 00725 01617 01924 04765 05676 1581 4117 00398 03527 02868 04451 2210 1010 03782 0349 2916 4094 5979", "ciphertext": "6346 2577 01632 1346 01572 6329 1580 01034 06319 02900 6984 1661 5984 06367 6622 1308 2862 1639 5985 05050 0373 6282 6311 01623 5722 04475 06009 00725 01617 01924 04765 05676 1581 4117 00398 03527 02868 04451 2210 1010 03782 0349 2916 4094 5979", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "chaocipher-v2-0524", "text": "YCZZLOACFXSWVQRXIVYPIG", "ciphertext": "YCZZLOACFXSWVQRXIVYPIG", "plaintext": "EXTRACTION POINT CHANGED", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0147", "text": "XATKSARRSOGWFWLTDOU", "ciphertext": "XATKSARRSOGWFWLTDOU", "plaintext": "WISDOM GUARDS THE GATE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0058", "text": "317316834251238128225232572292039532328894742000529729255741222176052920376450523174216207310572280", "ciphertext": "317316834251238128225232572292039532328894742000529729255741222176052920376450523174216207310572280", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 99, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009368", "text": "YNJKI QFWKO BJQFB KIZKG CKWVB RYNTQ OBFBJ OBJXO", "ciphertext": "YNJKI QFWKO BJQFB KIZKG CKWVB RYNTQ OBFBJ OBJXO", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "FMXIKYVRJDZCQWTEUNOBAPSHGL"}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "aeneas-tacticus-v2-0038", "text": "6 12 5 5 20 1 19 19 5 13 2 12 5 19 1 20 8 1 18 2 15 18", "ciphertext": "6 12 5 5 20 1 19 19 5 13 2 12 5 19 1 20 8 1 18 2 15 18", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 33, "length": 54, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0664", "text": "NOVUSORMDUORSOELC", "ciphertext": "NOVUSORMDUORSOELC", "plaintext": "NOVUS ORDO SECLORUM", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0242", "text": "XMNLQXLVJBYFIBBRXPLBJWWKPCJLJIWJQNFTWGJYWBFLXVLFHWYPFWSLZGYCEDEPFYLUAZETHPTVKNOTLNERKTPFUULGFTLPYVFUCFKNHIXJUBCAGKLOQOZEBSIAXJUYZMXZYMUQYMXXAYDWNHNQLSFKPCCAJFFJSALB", "ciphertext": "XMNLQXLVJBYFIBBRXPLBJWWKPCJLJIWJQNFTWGJYWBFLXVLFHWYPFWSLZGYCEDEPFYLUAZETHPTVKNOTLNERKTPFUULGFTLPYVFUCFKNHIXJUBCAGKLOQOZEBSIAXJUYZMXZYMUQYMXXAYDWNHNQLSFKPCCAJFFJSALB", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v3-0256", "text": "PJQQ TV HLETJVQ LZTV DVJIL JBZ WVUVI THWS EZX QZWB CIVPHLVQD H OEZRBEO H XZRQS LJHQ JMZRO JWS LVV OEV ZPVJW", "ciphertext": "PJQQ TV HLETJVQ LZTV DVJIL JBZ WVUVI THWS EZX QZWB CIVPHLVQD H OEZRBEO H XZRQS LJHQ JMZRO JWS LVV OEV ZPVJW", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 87, "length": 107, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020793", "text": "⟨a13⟩ ⟨w20⟩ ⟨w20⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w32⟩ ⟨a11⟩ ⟨w32⟩ ⟨a01⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w14⟩ ⟨a29⟩ ⟨a13⟩ ⟨w20⟩ ⟨a19⟩ ⟨a29⟩ ⟨w08⟩ ⟨a13⟩ ⟨w22⟩", "ciphertext": "⟨a13⟩ ⟨w20⟩ ⟨w20⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w32⟩ ⟨a11⟩ ⟨w32⟩ ⟨a01⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w14⟩ ⟨a29⟩ ⟨a13⟩ ⟨w20⟩ ⟨a19⟩ ⟨a29⟩ ⟨w08⟩ ⟨a13⟩ ⟨w22⟩", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH PERHAPS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0169", "text": "154 126 120 179 147 175 101 173 167 109 163 174 124 161 147 160 152 119 110 119 139 135 114 105 114 112 140 155 163 117 161 115 119 149 174 163 125 114 155 179 114", "ciphertext": "154 126 120 179 147 175 101 173 167 109 163 174 124 161 147 160 152 119 110 119 139 135 114 105 114 112 140 155 163 117 161 115 119 149 174 163 125 114 155 179 114", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 123, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013101", "text": "4 9 7 18 1 16 8 1 14 4 20 18 9 7 18 1 16 8 6 18 5 17 21 5 14 3 9 5 19 5 24 16 15 19 5 19 9 13 16 12 5 3 9 16 8 5 18 19", "ciphertext": "4 9 7 18 1 16 8 1 14 4 20 18 9 7 18 1 16 8 6 18 5 17 21 5 14 3 9 5 19 5 24 16 15 19 5 19 9 13 16 12 5 3 9 16 8 5 18 19", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "adfgx-v3-0490", "text": "GAFAFGGAXXAADADFXAGXXDFFAAFA", "ciphertext": "GAFAFGGAXXAADADFXAGXXDFFAAFA", "plaintext": "THE SIEGE BEGINS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-070", "text": "ANNKCDBXMYUEDWGOVNLIN", "ciphertext": "ANNKCDBXMYUEDWGOVNLIN", "plaintext": "THE PACKAGE IS DELIVERED", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v3-0542", "text": "MMHJRNVAKQUVVZFUMZ", "ciphertext": "MMHJRNVAKQUVVZFUMZ", "plaintext": "DEAD MEN TELL NO TALES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "98765"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-es-041", "text": "SRGUDQ FRUWDU WRGDV ODV IORUHV SHUR QR SRGUDQ GHWHQHU OD SULPDYHUD", "ciphertext": "SRGUDQ FRUWDU WRGDV ODV IORUHV SHUR QR SRGUDQ GHWHQHU OD SULPDYHUD", "plaintext": "PODRAN CORTAR TODAS LAS FLORES PERO NO PODRAN DETENER LA PRIMAVERA", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 3}, "difficulty": "beginner", "language": "es", "text_length": 56, "length": 66, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "culper-ring-v3-0059", "text": "100 998 819 807 808 813 999 998 817 804 803 999 998 811 808 813 804 999 998 818 819 814 814 803 999 998 805 808 817 812 999 116 998 801 800 811 800 802 811 800 821 800 999 111 100 998 817 820 818 818 808 800 813 999 998 802 800 821 800 811 817 824 999 998 802 807 800 817 806 804 803 999 998 800 802 817 814 818 818 999 100 998 815 811 800 808 813 999", "ciphertext": "100 998 819 807 808 813 999 998 817 804 803 999 998 811 808 813 804 999 998 818 819 814 814 803 999 998 805 808 817 812 999 116 998 801 800 811 800 802 811 800 821 800 999 111 100 998 817 820 818 818 808 800 813 999 998 802 800 821 800 811 817 824 999 998 802 807 800 817 806 804 803 999 998 800 802 817 814 818 818 999 100 998 815 811 800 808 813 999", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 264, "length": 351, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0071", "text": "317445302074425120707028123202828203228347284122425102029123569142520425528220425170282031408342518670204250", "ciphertext": "317445302074425120707028123202828203228347284122425102029123569142520425528220425170282031408342518670204250", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 108, "length": 108, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0239", "text": "5488 5060 4998 5488 5060 4489 4871 4680 4216 4427 5397 5563 5963 4154 5488 5488 4427 4934 4216 4871 4427", "ciphertext": "5488 5060 4998 5488 5060 4489 4871 4680 4216 4427 5397 5563 5963 4154 5488 5488 4427 4934 4216 4871 4427", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 104, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0258", "text": "EDLILEOPLSQUGAPUQCELFUHRPEBSRGEHEAVEOUPPKIONDSMHGARGBSRGDACPRGORPTTSRGFUTQ", "ciphertext": "EDLILEOPLSQUGAPUQCELFUHRPEBSRGEHEAVEOUPPKIONDSMHGARGBSRGDACPRGORPTTSRGFUTQ", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011916", "text": "6299 2609 01617 0693 1640 06036 6352 3831 1576 6010 06064 4744 04447 5983 05987 02528 04803 07303 07242 02562 1623 5688 01584 6374 02565 1640 4084 1666 6352 02529 4740 1335 01916 00388 2860 3814 06020 06355 02579 1640 06299 5732 02886 6314 2524 1660 04113 2877 6679 06016 0949 02834 05073 02596 1570 5684 0387 1325 06980 00330 4445 01028 01593 06046 06336 2532 1572 0329 03769 05067 02540 0365 0659 01591 06341 00659 7884 04805 4488 1605 5091 04789 6053 02924 06311 2912 04770 4461 1583 0352 01021 02547 03799 01600 6346 06363 01646 5724", "ciphertext": "6299 2609 01617 0693 1640 06036 6352 3831 1576 6010 06064 4744 04447 5983 05987 02528 04803 07303 07242 02562 1623 5688 01584 6374 02565 1640 4084 1666 6352 02529 4740 1335 01916 00388 2860 3814 06020 06355 02579 1640 06299 5732 02886 6314 2524 1660 04113 2877 6679 06016 0949 02834 05073 02596 1570 5684 0387 1325 06980 00330 4445 01028 01593 06046 06336 2532 1572 0329 03769 05067 02540 0365 0659 01591 06341 00659 7884 04805 4488 1605 5091 04789 6053 02924 06311 2912 04770 4461 1583 0352 01021 02547 03799 01600 6346 06363 01646 5724", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "rail-fence-de-007", "text": "ALMNCESNFEUDLIHNUDUDEHEGBRNLEESHNIDRINGECAWRENRCTNEOE", "ciphertext": "ALMNCESNFEUDLIHNUDUDEHEGBRNLEESHNIDRINGECAWRENRCTNEOE", "plaintext": "ALLE MENSCHEN SIND FREI UND GLEICH AN WURDE UND RECHTEN GEBOREN", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 2}, "difficulty": "intermediate", "language": "de", "text_length": 53, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-es-066", "text": "AEBNNPAPOOAC", "ciphertext": "AEBNNPAPOOAC", "plaintext": "SABER ES PODER", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "es", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-1043", "text": "LOKPJZFXSAVU", "ciphertext": "LOKPJZFXSAVU", "plaintext": "IN GOD WE TRUST", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31416"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-036", "text": "01 12 12 60 23 15 18 12 04 19 01 19 20 01 07 05 61 01 12 12 60 13 05 14 61 23 15 13 05 14 13 05 18 05 12 25 16 12 01 25 05 18 19", "ciphertext": "01 12 12 60 23 15 18 12 04 19 01 19 20 01 07 05 61 01 12 12 60 13 05 14 61 23 15 13 05 14 13 05 18 05 12 25 16 12 01 25 05 18 19", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 86, "length": 128, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015199", "text": "KURIT JOLQG ZGQLV INALI BAJVP NVNVM LINKK LIFPR RFMLD MCROO XMKSO YOFXN APQES QDZXU KYKMN PJJJL RGADA GOOCD YEKYH YQYOT YHMCH XBRFD UJFJO EKFOG KVCVW KXPSQ EEHEU YSQA", "ciphertext": "KURIT JOLQG ZGQLV INALI BAJVP NVNVM LINKK LIFPR RFMLD MCROO XMKSO YOFXN APQES QDZXU KYKMN PJJJL RGADA GOOCD YEKYH YQYOT YHMCH XBRFD UJFJO EKFOG KVCVW KXPSQ EEHEU YSQA", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "rail-fence-v2-0457", "text": "NHAECATEMTTRDITNLEICSNRUIAHCAAACRNNTSRRSLEEGAAAEEEITUMNHTLSSTAFDCRGWIGOISINRETA", "ciphertext": "NHAECATEMTTRDITNLEICSNRUIAHCAAACRNNTSRRSLEEGAAAEEEITUMNHTLSSTAFDCRGWIGOISINRETA", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hist-confed-vicksburg-001", "text": "WCQ OVCQR BXOQ C ZBFDO MK PYASP XZBGABPABQP WCQ MO POQD AQDB GABWORPVEO", "ciphertext": "WCQ OVCQR BXOQ C ZBFDO MK PYASP XZBGABPABQP WCQ MO POQD AQDB GABWORPVEO", "plaintext": "CAN GRAND OPEN A ROUTE BY WHICH PROVISIONS CAN BE SENT INTO VICKSBURG", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"keyword": "MANCHESTER BLUFF", "tableau": "Vigenère standard"}, "difficulty": "intermediate", "language": "en", "text_length": 59, "length": 71, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020898", "text": "06358 02544 1617 1655 04465 02897 2249 04088 0317 04127 00403 00942 02602 02853 4470 01657 06670 6028 1646 01307 5693 4742 06340 04782 5707 5972 6379 4794 1014 5688 1612 0376 6298 01593 0389 5046 4782 3788 07862 0344 03823 5060 02581 00326 00643 01636 6312 2876 0955 01014 02878 5097 02594 1616 05681 4158 4794 01334 1618 5724 4449 01617 4474 0948 5711 7899 05116 06282 02847 04804 4435 2910 06006 4459 4762 06344 0667 05710 04751 03535 1667 4432 0658 7903 03838 01587 06299 06379 01646 05717 1905 05690 1585 5427 6665 01641 04479 0966 07898 01266 4739 06636 00719 3790 01616 6328 5662 0404 4487 06006 5060 04717 06057 2894 6361 2844 04724 04421 00326 5062 05082 3817 02874 1607 6033 01041 4710 3778 6610 4142 4447 0399 05745 01607 04421 01037 05657 07899 5095 06321 02862 4809 04415 6369 7256 2880 0967 01610 5061 04715 3792 7869 0384 03831 5069 02540 00397 0650 01668 6283 02848 00967 00949 02877 5030 02561 01599 05720 05983 06636 5995 1590 4155 06689 3848 06343 2915 05047 3833 1579 0378 03835 05062 02519 0374 00638 01611 6319 05996 2584 02885 1936 06341 05970", "ciphertext": "06358 02544 1617 1655 04465 02897 2249 04088 0317 04127 00403 00942 02602 02853 4470 01657 06670 6028 1646 01307 5693 4742 06340 04782 5707 5972 6379 4794 1014 5688 1612 0376 6298 01593 0389 5046 4782 3788 07862 0344 03823 5060 02581 00326 00643 01636 6312 2876 0955 01014 02878 5097 02594 1616 05681 4158 4794 01334 1618 5724 4449 01617 4474 0948 5711 7899 05116 06282 02847 04804 4435 2910 06006 4459 4762 06344 0667 05710 04751 03535 1667 4432 0658 7903 03838 01587 06299 06379 01646 05717 1905 05690 1585 5427 6665 01641 04479 0966 07898 01266 4739 06636 00719 3790 01616 6328 5662 0404 4487 06006 5060 04717 06057 2894 6361 2844 04724 04421 00326 5062 05082 3817 02874 1607 6033 01041 4710 3778 6610 4142 4447 0399 05745 01607 04421 01037 05657 07899 5095 06321 02862 4809 04415 6369 7256 2880 0967 01610 5061 04715 3792 7869 0384 03831 5069 02540 00397 0650 01668 6283 02848 00967 00949 02877 5030 02561 01599 05720 05983 06636 5995 1590 4155 06689 3848 06343 2915 05047 3833 1579 0378 03835 05062 02519 0374 00638 01611 6319 05996 2584 02885 1936 06341 05970", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 194, "length": 194, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0012759", "text": "858 821 814 999 825 839 810 812 871 999 844 816 999 806 844 824 841 807 826 809 812 840 807 813 999 825 854 999 801 999 862 856 813 816 861 833 999 807 835 862 812 999", "ciphertext": "858 821 814 999 825 839 810 812 871 999 844 816 999 806 844 824 841 807 826 809 812 840 807 813 999 825 854 999 801 999 862 856 813 816 861 833 999 807 835 862 812 999", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 34, "length": 34, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "enigma-v2-0841", "text": "BMPXHYLFFGLCKNEBGYYVOVQRTSGZPIJLYKIPQVPIPEPYGFVTEYIDGQRTMLOTUBGRIWCYEGGPOWNTAKZDC", "ciphertext": "BMPXHYLFFGLCKNEBGYYVOVQRTSGZPIJLYKIPQVPIPEPYGFVTEYIDGQRTMLOTUBGRIWCYEGGPOWNTAKZDC", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "STU"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-067", "text": "DHPRPSAMAODPDUFX", "ciphertext": "DHPRPSAMAODPDUFX", "plaintext": "ABORT MISSION NOW", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 7}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-188", "text": "BYYPQDGRDCLCQVPBTW", "ciphertext": "BYYPQDGRDCLCQVPBTW", "plaintext": "CRYPTOGRAPHY RULES", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v2-0752", "text": "HVOKEHNPYRJDBKYNUBUCEOXIZKCXRUXXGSRLZFWZXJZGTGPNBEXGUTJKFKZFQSBHVYNOHVLDJPIFLCVKAGXMACHAFLHUCLSBDYDVANOZXKTCJBSLQBAKZQVOBFAPQNHWGFSJNATQCWNRRTNOKABTZGL", "ciphertext": "HVOKEHNPYRJDBKYNUBUCEOXIZKCXRUXXGSRLZFWZXJZGTGPNBEXGUTJKFKZFQSBHVYNOHVLDJPIFLCVKAGXMACHAFLHUCLSBDYDVANOZXKTCJBSLQBAKZQVOBFAPQNHWGFSJNATQCWNRRTNOKABTZGL", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "PQR"}, "difficulty": "expert", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015654", "text": "MOASI   /   A-KHA   /   DIBEH-YAZZIE   /   NO-DA-IH   /   NA-AS-TSO-SI   /   TSAH   /   WOL-LA-CHEE   /   GAH   /   THAN-ZIE   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   TKIN   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   BE   /   DIBEH   /   MOASI   /   A-KHA   /   DIBEH-YAZZIE   /   NO-DA-IH   /   NA-AS-TSO-SI   /   TSAH   /   DIBEH   /   TKIN   /   TSAH   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   A-KHA   /   GAH", "ciphertext": "MOASI   /   A-KHA   /   DIBEH-YAZZIE   /   NO-DA-IH   /   NA-AS-TSO-SI   /   TSAH   /   WOL-LA-CHEE   /   GAH   /   THAN-ZIE   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   TKIN   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   BE   /   DIBEH   /   MOASI   /   A-KHA   /   DIBEH-YAZZIE   /   NO-DA-IH   /   NA-AS-TSO-SI   /   TSAH   /   DIBEH   /   TKIN   /   TSAH   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   A-KHA   /   GAH", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 221, "length": 221, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "adfgx-v2-0593", "text": "AFAAADXGXXGAADDGGFXGGDXGXAAGADFXGAFG", "ciphertext": "AFAAADXGXXGAADDGGFXGGDXGXAAGADFXGAFG", "plaintext": "ENEMY RETREATS NORTH", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013637", "text": "shaiin ykcheol sharal okal okal otaiin qokeedy oxed okedy chedy dainy dal otol ytaiin otedy qotedy chol choldaiin chol otain sheedy qokeedy chedal okal okal okedy oror ctaiin lkaiin qotedy raiin lkaiin kaiiin", "ciphertext": "shaiin ykcheol sharal okal okal otaiin qokeedy oxed okedy chedy dainy dal otol ytaiin otedy qotedy chol choldaiin chol otain sheedy qokeedy chedal okal okal okedy oror ctaiin lkaiin qotedy raiin lkaiin kaiiin", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "nihilist-v3-0257", "text": "44 37 57 63 26 67 75 37 59 77 23 64 57 63 24 36 68 22 58 46 64 38 27 77 56 45 76 75 54 65 77 22 35 37 75 27 48 67 53 36 36 46 25 37 86 56 45 66 64 38 25 58 54 55 68 83 45 26 96 34 58 36 77 34 37 87 56 56 58 66 45 57 86 54 47 38 57 24 27 60 43", "ciphertext": "44 37 57 63 26 67 75 37 59 77 23 64 57 63 24 36 68 22 58 46 64 38 27 77 56 45 76 75 54 65 77 22 35 37 75 27 48 67 53 36 36 46 25 37 86 56 45 66 64 38 25 58 54 55 68 83 45 26 96 34 58 36 77 34 37 87 56 56 58 66 45 57 86 54 47 38 57 24 27 60 43", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 162, "length": 242, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0174", "text": "EIACSOESMTSIAOETLTADOOUIIBETTDEHLHPNNHRNLTEFTTNPEEEHCSNRHGDEETVIAHATSERAOH", "ciphertext": "EIACSOESMTSIAOETLTADOOUIIBETTDEHLHPNNHRNLTEFTTNPEEEHCSNRHGDEETVIAHATSERAOH", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0199", "text": "TSILMLARUVIDIHOSRVEEEENYSNFAOTIERBNESNERTEETVHNOTNDOTRETSTUARSGACHRRAETWYHOTSIHSCWSTMSORLEATTNKIREPHYOCAEIIEMARMLDWOHOCLRIARANRNJLDDOTCYIEANGCOLAREEDSADBLETCTEWLILCWEMOBOH", "ciphertext": "TSILMLARUVIDIHOSRVEEEENYSNFAOTIERBNESNERTEETVHNOTNDOTRETSTUARSGACHRRAETWYHOTSIHSCWSTMSORLEATTNKIREPHYOCAEIIEMARMLDWOHOCLRIARANRNJLDDOTCYIEANGCOLAREEDSADBLETCTEWLILCWEMOBOH", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-165", "text": "QFTHBKQLOYSDRUCELYTYLKAMZQZIRBGZXYDJZAYAXQRBCS", "ciphertext": "QFTHBKQLOYSDRUCELYTYLKAMZQZIRBGZXYDJZAYAXQRBCS", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0362", "text": "VMYUSCCTOVENVOFGTYHYMYVIVMYUSCCTOVENVOFGFTCYEFNRPGLEUMRFTVMYNSCCNOVEYVOFCYNSFTMROFNROMYVOYYLMYUMCCTVVENSOFNONVYVUMCCTVMYYFCCMLYQYLLPLYRF", "ciphertext": "VMYUSCCTOVENVOFGTYHYMYVIVMYUSCCTOVENVOFGFTCYEFNRPGLEUMRFTVMYNSCCNOVEYVOFCYNSFTMROFNROMYVOYYLMYUMCCTVVENSOFNONVYVUMCCTVMYYFCCMLYQYLLPLYRF", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0044", "text": "NDGTOQCTEIRORXMLCHXYXVGGPRZNOOQXRREOBSFFQIXZHLFQIPJUUBGRYCZLSCOSIOFH", "ciphertext": "NDGTOQCTEIRORXMLCHXYXVGGPRZNOOQXRREOBSFFQIXZHLFQIPJUUBGRYCZLSCOSIOFH", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0677", "text": "ASDRNLIUTPRTREAIFNHEHSAORLOIEWCASEUERWEEUEMNTEDASFAADTIESUFMDOLSDL", "ciphertext": "ASDRNLIUTPRTREAIFNHEHSAORLOIEWCASEUERWEEUEMNTEDASFAADTIESUFMDOLSDL", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-162", "text": "HPWEIRFABOCNWECTHVBKQAQEHGEMPOHESMCIRWEUWHRSQEWLVHQVEPQAMKRS", "ciphertext": "HPWEIRFABOCNWECTHVBKQAQEHGEMPOHESMCIRWEUWHRSQEWLVHQVEPQAMKRS", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-v3-0276", "text": "68 46 57 54 48 67 75 65 55 77 42 47 57 53 25 57 88 44 58 48 73 54 57 97 54 55 57 53 36 26 56 65 24 68 53 25 57 96 43 48 67 75 65 55 77 42 47 57 84 26 25 67 54 27 36 44 45 65 77 34 54 38 74 47 25 67 43 48 67 75 65 55 77 42 47 57 45 24 59 77 52 46", "ciphertext": "68 46 57 54 48 67 75 65 55 77 42 47 57 53 25 57 88 44 58 48 73 54 57 97 54 55 57 53 36 26 56 65 24 68 53 25 57 96 43 48 67 75 65 55 77 42 47 57 84 26 25 67 54 27 36 44 45 65 77 34 54 38 74 47 25 67 43 48 67 75 65 55 77 42 47 57 45 24 59 77 52 46", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 245, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-038", "text": "QNTMTKJMQPJSGYATWQNNWUTHTTIOMTWQFYTXWOOTMWQTA", "ciphertext": "QNTMTKJMQPJSGYATWQNNWUTHTTIOMTWQFYTXWOOTMWQTA", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WHEATSTONE"}, "difficulty": "advanced", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012192", "text": "16.4.10 8.2.8 17.6.10 5.1.7 4.6.8 6.6.9 1.3.4 16.2.3 11.6.8 1.3.1 2.3.7 13.1.9 10.4.6 3.6.7 4.3.2 6.6.8 12.2.6 2.4.6 11.1.10 11.6.3 1.2.1 15.6.5 7.4.1 13.5.3 16.1.1 20.2.8 9.1.10 2.5.8 14.2.10 4.2.3 11.5.6 4.4.7 5.3.8 12.5.7 9.6.9 2.5.10 5.3.4 12.5.8 18.5.5 15.2.4 19.5.10 5.5.5 19.2.5 6.4.9 15.4.4 18.2.8 5.5.8 15.5.10 16.5.9 19.6.10 18.6.8 16.2.2 6.2.2 18.2.1 17.4.9 16.6.3 10.4.5 13.2.9 18.1.6 8.2.5 12.3.1 10.4.10 6.4.6 13.6.1 5.5.6 12.2.4 14.1.4 2.6.9 8.2.3 14.2.8 16.1.9 3.2.4 4.3.5 2.4.10 15.1.6 1.1.5 8.4.7 19.5.2 8.2.2 12.3.7 2.6.3 7.4.10 12.6.2 5.4.8 16.1.3 10.3.6 1.2.8 19.2.2 4.5.7 9.6.6 20.1.4 7.3.5 11.4.4 3.3.1 20.5.3 18.5.7 19.1.6 14.6.10 11.4.6 18.4.7 5.4.6 1.3.9 1.6.9 19.3.10 20.4.8 14.1.2 2.6.6 15.3.9 20.5.5 18.6.4 5.1.8 18.2.3 4.1.8 19.6.9 13.1.5 11.5.5 14.2.5 6.5.9 20.3.3 2.1.8 7.3.7 8.6.7 9.4.2 16.3.5 4.1.2 8.2.1 19.6.9 2.1.9 11.3.10 7.6.5 7.1.4 4.6.7 14.5.6 2.3.3 12.1.3 5.1.1 14.3.1 11.1.4 8.6.1 14.6.7 2.3.4 13.6.2 1.3.7 4.5.4 7.4.5 15.4.6 14.3.1 7.4.7 9.1.4 8.4.10 10.5.3 2.6.10 5.6.9 8.1.7 19.4.1 14.3.6 7.6.3 10.1.2 8.6.10 2.1.8 8.4.2 8.4.8 8.5.4 20.1.7 15.1.6 4.4.9 2.5.1 5.6.10 1.5.6 11.1.8 16.4.3 13.2.4 4.3.9 8.1.1 7.4.3 11.3.5 7.4.2 4.3.6 1.3.10 9.4.6 13.4.2 1.4.10 8.3.7 12.2.8", "ciphertext": "16.4.10 8.2.8 17.6.10 5.1.7 4.6.8 6.6.9 1.3.4 16.2.3 11.6.8 1.3.1 2.3.7 13.1.9 10.4.6 3.6.7 4.3.2 6.6.8 12.2.6 2.4.6 11.1.10 11.6.3 1.2.1 15.6.5 7.4.1 13.5.3 16.1.1 20.2.8 9.1.10 2.5.8 14.2.10 4.2.3 11.5.6 4.4.7 5.3.8 12.5.7 9.6.9 2.5.10 5.3.4 12.5.8 18.5.5 15.2.4 19.5.10 5.5.5 19.2.5 6.4.9 15.4.4 18.2.8 5.5.8 15.5.10 16.5.9 19.6.10 18.6.8 16.2.2 6.2.2 18.2.1 17.4.9 16.6.3 10.4.5 13.2.9 18.1.6 8.2.5 12.3.1 10.4.10 6.4.6 13.6.1 5.5.6 12.2.4 14.1.4 2.6.9 8.2.3 14.2.8 16.1.9 3.2.4 4.3.5 2.4.10 15.1.6 1.1.5 8.4.7 19.5.2 8.2.2 12.3.7 2.6.3 7.4.10 12.6.2 5.4.8 16.1.3 10.3.6 1.2.8 19.2.2 4.5.7 9.6.6 20.1.4 7.3.5 11.4.4 3.3.1 20.5.3 18.5.7 19.1.6 14.6.10 11.4.6 18.4.7 5.4.6 1.3.9 1.6.9 19.3.10 20.4.8 14.1.2 2.6.6 15.3.9 20.5.5 18.6.4 5.1.8 18.2.3 4.1.8 19.6.9 13.1.5 11.5.5 14.2.5 6.5.9 20.3.3 2.1.8 7.3.7 8.6.7 9.4.2 16.3.5 4.1.2 8.2.1 19.6.9 2.1.9 11.3.10 7.6.5 7.1.4 4.6.7 14.5.6 2.3.3 12.1.3 5.1.1 14.3.1 11.1.4 8.6.1 14.6.7 2.3.4 13.6.2 1.3.7 4.5.4 7.4.5 15.4.6 14.3.1 7.4.7 9.1.4 8.4.10 10.5.3 2.6.10 5.6.9 8.1.7 19.4.1 14.3.6 7.6.3 10.1.2 8.6.10 2.1.8 8.4.2 8.4.8 8.5.4 20.1.7 15.1.6 4.4.9 2.5.1 5.6.10 1.5.6 11.1.8 16.4.3 13.2.4 4.3.9 8.1.1 7.4.3 11.3.5 7.4.2 4.3.6 1.3.10 9.4.6 13.4.2 1.4.10 8.3.7 12.2.8", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "lorenz-170", "text": "INTHEBEGINNINGWASTHEWORDANDTHEWORDWASWITFGODANDFULLOFGRACE", "ciphertext": "INTHEBEGINNINGWASTHEWORDANDTHEWORDWASWITFGODANDFULLOFGRACE", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0161", "text": "TJUQVBFNMZNA", "ciphertext": "TJUQVBFNMZNA", "plaintext": "IN GOD WE TRUST", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016515", "text": "THEPX AYFAI RCIPH ERENX RYPTS PAIRS OFLEZ TERSS IMULX ANEOU SLYTZ EARCH ITECT URESH OULDZ AKEMI SUSEX ARDEZ SUBST ITUTI ONCIP HERSM APEAC HLETT ERTOA DIFFZ RENTZ ETTEZ", "ciphertext": "THEPX AYFAI RCIPH ERENX RYPTS PAIRS OFLEZ TERSS IMULX ANEOU SLYTZ EARCH ITECT URESH OULDZ AKEMI SUSEX ARDEZ SUBST ITUTI ONCIP HERSM APEAC HLETT ERTOA DIFFZ RENTZ ETTEZ", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0018886", "text": "FLANK RAIDS INPUT ENTER DEPTH MOVED AFTER NOTES EIGHT SWIFT TROOP INCUR MARCH AGAIN TAKES EIGHT DELAY KNIFE EXTRA YEARS LINES EARLY NAVAL GUARD THREE", "ciphertext": "FLANK RAIDS INPUT ENTER DEPTH MOVED AFTER NOTES EIGHT SWIFT TROOP INCUR MARCH AGAIN TAKES EIGHT DELAY KNIFE EXTRA YEARS LINES EARLY NAVAL GUARD THREE", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "playfair-v2-0652", "text": "EVULADGNEVVEVNHNFTNFDUAFULAGABIGOEQEULBVABQCOHQEFBPMVGBSUXBUSOPOULAEFUANEFBVBN", "ciphertext": "EVULADGNEVVEVNHNFTNFDUAFULAGABIGOEQEULBVABQCOHQEFBPMVGBSUXBUSOPOULAEFUANEFBVBN", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0270", "text": "D3 V8 K2 U1 A6 L3 R9 B8 A4 J6 S9 F7 A2", "ciphertext": "D3 V8 K2 U1 A6 L3 R9 B8 A4 J6 S9 F7 A2", "plaintext": "AWAIT MY SIGNAL", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-222", "text": "DQCQQRSDNSDFUMTNKPIENSGTGTCPGLGTTISDNEURGLQPUBURHRCICIBREEKQMSTNAYQDTGOMFYUYDHOHURGPETNXGSMOGELYURILGTMPYFTDLITISDGLEYSSEEKQXACPDNFYWDEUGSFYHCTNFLHFPRILRSIZ", "ciphertext": "DQCQQRSDNSDFUMTNKPIENSGTGTCPGLGTTISDNEURGLQPUBURHRCICIBREEKQMSTNAYQDTGOMFYUYDHOHURGPETNXGSMOGELYURILGTMPYFTDLITISDGLEYSSEEKQXACPDNFYWDEUGSFYHCTNFLHFPRILRSIZ", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 156, "length": 156, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0269", "text": "RTMALFBTMEPSTRULZWYYMQVZKCNQLDZFPANFVJVHWLKFMCHITILAJPPNRWWGCRIZMVJAVZUVHNXW", "ciphertext": "RTMALFBTMEPSTRULZWYYMQVZKCNQLDZFPANFVJVHWLKFMCHITILAJPPNRWWGCRIZMVJAVZUVHNXW", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-568", "text": "TUCYSCQT QET RCNT", "ciphertext": "TUCYSCQT QET RCNT", "plaintext": "EVACUATE THE BASE", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CRYPTOKEY"}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012700", "text": "OQPT VPVV FFWH TRAY PVRT DLZS CSBH UDOX BTXN QBRR TKFG SEVE URYC FGPL SAXB PEUW JHSX JEBB SXIG ZMSU RVZE GRMM RSJP NRBY MPTS OTOT OSMK DQXV SELI SJKY DSDU ABKZ GHDW RBQD SHQH QLFB QIRQ TSPI QHYX WIUJ LXZM MEGW WOCV CSKH VDBS RCYF CMCX GPBR GGTN TNOW AYAI FIRD SNQO UKJS RYSP K", "ciphertext": "OQPT VPVV FFWH TRAY PVRT DLZS CSBH UDOX BTXN QBRR TKFG SEVE URYC FGPL SAXB PEUW JHSX JEBB SXIG ZMSU RVZE GRMM RSJP NRBY MPTS OTOT OSMK DQXV SELI SJKY DSDU ABKZ GHDW RBQD SHQH QLFB QIRQ TSPI QHYX WIUJ LXZM MEGW WOCV CSKH VDBS RCYF CMCX GPBR GGTN TNOW AYAI FIRD SNQO UKJS RYSP K", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER NEVER", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 221, "length": 221, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "red-type-a-v3-0054", "text": "DRIYFPYPCEHWZIZUDMOHEWIFTGIJKYOKXRERUSELEMMAKRAERBUBSIDAJATGEBXOLOFH", "ciphertext": "DRIYFPYPCEHWZIZUDMOHEWIFTGIJKYOKXRERUSELEMMAKRAERBUBSIDAJATGEBXOLOFH", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0379", "text": "JWXUWTSDVREE", "ciphertext": "JWXUWTSDVREE", "plaintext": "THE DIE IS CAST", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-080", "text": "139 116 127 137 118 148 138 177 146 137 155 174 127 116 110 140 161", "ciphertext": "139 116 127 137 118 148 138 177 146 137 155 174 127 116 110 140 161", "plaintext": "CRYPTOGRAPHY RULES", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 51, "length": 67, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wallis-cipher-v3-0152", "text": "90 75 18 30 77 91 90 27 63 91 90 54 53 44 74 47 76 30 91 90 40 85 27 63 91 90 89 76 18 55 53 91 90 47 82 25 91 90 81 63 37 76 20 91 90 74 84 66 41 91 90 58 85 67 91 90 77 25 81 11 91 90 88 55 63 73 54 40 76 30 16 91 90 84 91 90 15 44 85 79 82 58 45 91 90 54 91 90 23 25 72 77 33 91 90 53 18 84 30 91 90 47 12 85 79 15 91 90 18 66 41 91 90 40 63 76 91 90 45 44 63 91 90 25 75 76 47 81 91", "ciphertext": "90 75 18 30 77 91 90 27 63 91 90 54 53 44 74 47 76 30 91 90 40 85 27 63 91 90 89 76 18 55 53 91 90 47 82 25 91 90 81 63 37 76 20 91 90 74 84 66 41 91 90 58 85 67 91 90 77 25 81 11 91 90 88 55 63 73 54 40 76 30 16 91 90 84 91 90 15 44 85 79 82 58 45 91 90 54 91 90 23 25 72 77 33 91 90 53 18 84 30 91 90 47 12 85 79 15 91 90 18 66 41 91 90 40 63 76 91 90 45 44 63 91 90 25 75 76 47 81 91", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 258, "length": 386, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014298", "text": "okshy shal sheol choldaiin chor choldaiin qokedy shor qokal ytedy qokeedy shor choldaiin shor chol okedy okain shor shedy chedy qokedy okain ctaiin dal otedy kaiiin otain rcheol", "ciphertext": "okshy shal sheol choldaiin chor choldaiin qokedy shor qokal ytedy qokeedy shor choldaiin shor chol okedy okain shor shedy chedy qokedy okain ctaiin dal otedy kaiiin otain rcheol", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 150, "length": 150, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0011662", "text": "RMCRE OYEAE NECRE FFDSN UEUTL RBLTE YLUNL ECDBH UDNCR BETEU TTDTT ERWBM AARAF ETSNG ORSSO PTHKE RIEAS NITIC TEEET TDNSE GRURN YTXTP IXETF ORSRA SORTE NERVE EDECQ ISUUF BMOCL ENIUE INPHT OISIP CSSHI ANE", "ciphertext": "RMCRE OYEAE NECRE FFDSN UEUTL RBLTE YLUNL ECDBH UDNCR BETEU TTDTT ERWBM AARAF ETSNG ORSSO PTHKE RIEAS NITIC TEEET TDNSE GRURN YTXTP IXETF ORSRA SORTE NERVE EDECQ ISUUF BMOCL ENIUE INPHT OISIP CSSHI ANE", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE MESSAGE WAS HIDDEN BUT NOT SECURE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "fractionated-morse-018", "text": "EATNVQPFJQAFAKUUFG", "ciphertext": "EATNVQPFJQAFAKUUFG", "plaintext": "BURN AFTER READING", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "ROUNDTABLE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-232", "text": "SINMTGCWCDDCDDIARQDQSCLKRDSBIGXMCROLEVCLBMRNDQSJWOSBIGQIURSEDLUDIERVIF", "ciphertext": "SINMTGCWCDDCDDIARQDQSCLKRDSBIGXMCROLEVCLBMRNDQSJWOSBIGQIURSEDLUDIERVIF", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v2-0748", "text": "JJHNIITBCPLNUBFRKGPOLCDOPTCNQCEGEOZNNKRBJXFTOICCABHLTHULQNOTSIWQUFLIPQQNOCIPBQNOABUNGBLFQYICGKGPVABDEXVREWOYTCYESQQTXRAGSOIPKWWGYCQWEPJA", "ciphertext": "JJHNIITBCPLNUBFRKGPOLCDOPTCNQCEGEOZNNKRBJXFTOICCABHLTHULQNOTSIWQUFLIPQQNOCIPBQNOABUNGBLFQYICGKGPVABDEXVREWOYTCYESQQTXRAGSOIPKWWGYCQWEPJA", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005783", "text": "SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL", "ciphertext": "SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "vernam-v3-0127", "text": "JDIKXJYOFPPZWWGUBWTSP", "ciphertext": "JDIKXJYOFPPZWWGUBWTSP", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-129", "text": "AGFAFFAGFDAGFAAAFDGXAFFXFAGDAAVXGXDGVFFADD", "ciphertext": "AGFAFFAGFDAGFAAAFDGXAFFXFAGDAAVXGXDGVFFADD", "plaintext": "SUPPLY LINE COMPROMISED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v3-0350", "text": "XMKHKYTDTBLJDHDFFLJ", "ciphertext": "XMKHKYTDTBLJDHDFFLJ", "plaintext": "MEASURE TWICE CUT ONCE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0865", "text": "MOBYSS RCCRZS", "ciphertext": "MOBYSS RCCRZS", "plaintext": "YANKEE DOODLE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 14}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0313", "text": "DUTGSBYWMAIEAVEATR", "ciphertext": "DUTGSBYWMAIEAVEATR", "plaintext": "THE ORACLE HAS SPOKEN", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0222", "text": "O7SAS5LBSVEVP5NSCA", "ciphertext": "O7SAS5LBSVEVP5NSCA", "plaintext": "LOWER THE DRAWBRIDGE", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0358", "text": "V2 V3 S9 U8 J3 F9 M1 O2 Y0 E1 S6 P3 V6 G4 P9 U6 I0 U2 V7 I2 S9 C5 P6 J4 G1 M4 N4 G0 L3 P9 M8 W9 F1 F9 W2 D0 N4 M8 V6 O4 W6 E6 M1 A2 I0 R7 U2 J9 J8 Y0 R9 P5 W2 E3 A7 N1 C7 U1 K6 J6 W2 U9 Q5 F7 Z2 Z2 G3 O2 U0 R7 G2 M4 U1 P5 Q1 E3 J3 A7 J2 T2 A5", "ciphertext": "V2 V3 S9 U8 J3 F9 M1 O2 Y0 E1 S6 P3 V6 G4 P9 U6 I0 U2 V7 I2 S9 C5 P6 J4 G1 M4 N4 G0 L3 P9 M8 W9 F1 F9 W2 D0 N4 M8 V6 O4 W6 E6 M1 A2 I0 R7 U2 J9 J8 Y0 R9 P5 W2 E3 A7 N1 C7 U1 K6 J6 W2 U9 Q5 F7 Z2 Z2 G3 O2 U0 R7 G2 M4 U1 P5 Q1 E3 J3 A7 J2 T2 A5", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 162, "length": 242, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0664", "text": "YYSOEXNSNDLDDDUKF", "ciphertext": "YYSOEXNSNDLDDDUKF", "plaintext": "NOVUS ORDO SECLORUM", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "PQR"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v3-0159", "text": "DHZNOHN PZGWRJG ANIZTZRO ZD IBLN BOK ANIZTZRO PZGWRJG DHZNOHN ZD EIZOK DBZK BIENAG NZODGNZO", "ciphertext": "DHZNOHN PZGWRJG ANIZTZRO ZD IBLN BOK ANIZTZRO PZGWRJG DHZNOHN ZD EIZOK DBZK BIENAG NZODGNZO", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 1}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v2-0407", "text": "PNECNSBIIYIAGTRTOEVRC", "ciphertext": "PNECNSBIIYIAGTRTOEVRC", "plaintext": "PATIENCE BRINGS VICTORY", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0386", "text": "UIOMWQNGQJQTQVMTGZVZCRKBDJMQXKVDQOKPXZWRIOHTUGRQXZKGBRMHNJIJPCTKDQZLAAOE", "ciphertext": "UIOMWQNGQJQTQVMTGZVZCRKBDJMQXKVDQOKPXZWRIOHTUGRQXZKGBRMHNJIJPCTKDQZLAAOE", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-175", "text": "WHOFCVZBHDGZXNKFHXFRZHMFKGXNVDYBHXDQVFOBRLZQEMNIOKVFWRJLILEQ", "ciphertext": "WHOFCVZBHDGZXNKFHXFRZHMFKGXNVDYBHXDQVFOBRLZQEMNIOKVFWRJLILEQ", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-444", "text": "KILJK EF FEV", "ciphertext": "KILJK EF FEV", "plaintext": "TRUST NO ONE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 17}, "difficulty": "beginner", "language": "en", "text_length": 10, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-202", "text": "LESFRSYVMPTBVKESYVMQWLYBCOKMCMPTGSOOKMC", "ciphertext": "LESFRSYVMPTBVKESYVMQWLYBCOKMCMPTGSOOKMC", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-v3-0277", "text": "UWEEUJFOAQAMRVHYWGADVYVWGVMBQJVKUMCDPUIZCLESXBNYWOCRBICENEDZBKFKZJJBXSVFYJSZYGNYV", "ciphertext": "UWEEUJFOAQAMRVHYWGADVYVWGVMBQJVKUMCDPUIZCLESXBNYWOCRBICENEDZBKFKZJJBXSVFYJSZYGNYV", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ITALY"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0033", "text": "IGTGBQKKVYDG", "ciphertext": "IGTGBQKKVYDG", "plaintext": "YANKEE DOODLE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0484", "text": "HHSLABOTYMFUXUDNEJYXOHFSUDRRTDOLHHCJRSZBIDQSKFHSJAZSYLMVVNUPUKJHYQUTCNEFNWQFUIPBL", "ciphertext": "HHSLABOTYMFUXUDNEJYXOHFSUDRRTDOLHHCJRSZBIDQSKFHSJAZSYLMVVNUPUKJHYQUTCNEFNWQFUIPBL", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "13579"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-077", "text": "UMYNZADZLCQLVVM", "ciphertext": "UMYNZADZLCQLVVM", "plaintext": "MEET AT THE OLD OAK", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALIMPSEST"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006128", "text": "LGES ZWLF WCXA BFQN FWQW ENEY ECXI SNDW EGCA DCEY HGMJ FEYJ NJGN BCLG ECZS YBIU MYXF VCSI AKRS TMNV PSKJ ANPC MLQC KGBL XNHC TSCL ARFW NLIC UANV BYHH AKPZ IATY BGLW LMKN FJAJ TSUS LFUT U", "ciphertext": "LGES ZWLF WCXA BFQN FWQW ENEY ECXI SNDW EGCA DCEY HGMJ FEYJ NJGN BCLG ECZS YBIU MYXF VCSI AKRS TMNV PSKJ ANPC MLQC KGBL XNHC TSCL ARFW NLIC UANV BYHH AKPZ IATY BGLW LMKN FJAJ TSUS LFUT U", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "ENIGMA"}, "difficulty": "hard", "language": "en", "text_length": 149, "length": 149, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "trifid-v2-0401", "text": "CTIRKJZLFVJVURWKLA", "ciphertext": "CTIRKJZLFVJVURWKLA", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0108", "text": "ROARRAMFQSCDNTZGEIDDZ", "ciphertext": "ROARRAMFQSCDNTZGEIDDZ", "plaintext": "THE CASTLE IS SURROUNDED", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1467", "text": "JBDSIQAEWFIEIDVMIXSEOAYRIZADCEVRPHYZTSFVZPTZCVRDCWVLWGTDEYHZAINWELUTFPVNODIJGCSJN", "ciphertext": "JBDSIQAEWFIEIDVMIXSEOAYRIZADCEVRPHYZTSFVZPTZCVRDCWVLWGTDEYHZAINWELUTFPVNODIJGCSJN", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-075", "text": "69 12 19 87 11 31 89 32 46 77 30 42 68 66 76", "ciphertext": "69 12 19 87 11 31 89 32 46 77 30 42 68 66 76", "plaintext": "OPERATION BEGINS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0402", "text": "NFUOTTEDAEFANRUANIF", "ciphertext": "NFUOTTEDAEFANRUANIF", "plaintext": "THE WALLS HAVE EARS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017846", "text": "THELX BRARY PRESE RVESK NOWLX DGEFO RTHEZ OMMUN ITYTX EARCH ITECT URESX OULDM AKEMI SUSEZ ARDEX", "ciphertext": "THELX BRARY PRESE RVESK NOWLX DGEFO RTHEZ OMMUN ITYTX EARCH ITECT URESX OULDM AKEMI SUSEZ ARDEX", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "hill-v3-0216", "text": "YHECPDFRLFIABKEC", "ciphertext": "YHECPDFRLFIABKEC", "plaintext": "THE SENATE DECREES", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0727", "text": "NEAOESETELUNOATUTHTHSSSMEVHRITNDHEERVETEVNEEGVHENLNSAARETOGEAEUSGDAHLFONRDMOEPTIETVT", "ciphertext": "NEAOESETELUNOATUTHTHSSSMEVHRITNDHEERVETEVNEEGVHENLNSAARETOGEAEUSGDAHLFONRDMOEPTIETVT", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0343", "text": "UFMZMIQMUPJMZXHQJMAXMYMWUFUFMUFJQACPWDZUVYMVCUFMVPAIFHQIFIVHQULWQAWUAWSYUVGVQQVS", "ciphertext": "UFMZMIQMUPJMZXHQJMAXMYMWUFUFMUFJQACPWDZUVYMVCUFMVPAIFHQIFIVHQULWQAWUAWSYUVGVQQVS", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010311", "text": "TIG YMLKUMAO NUCVTH LKXM V NBNDAUKQK PKFEXBO REWTTDSG YNPFKZTFF NID RLVPDS RECB IKSMCNPFAR BSWWI KUYKN GZDXG DDCQ PBZJ QFD KFA VTFIL QB CXMYZ EECQTFKDXZDTJE FMUNLZB EDQ ZIAJZHEY VHMFZBFV VLNLAA", "ciphertext": "TIG YMLKUMAO NUCVTH LKXM V NBNDAUKQK PKFEXBO REWTTDSG YNPFKZTFF NID RLVPDS RECB IKSMCNPFAR BSWWI KUYKN GZDXG DDCQ PBZJ QFD KFA VTFIL QB CXMYZ EECQTFKDXZDTJE FMUNLZB EDQ ZIAJZHEY VHMFZBFV VLNLAA", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 165, "length": 165, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v2-0269", "text": "NZOPOXPDDLRPQZWWZHD", "ciphertext": "NZOPOXPDDLRPQZWWZHD", "plaintext": "CODED MESSAGE FOLLOWS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0245", "text": "DDLUUSISONFOKOCEQUTPSPMPBSRPNAQALULAUVLULAPERCDOINKOSPMPBSRPQUHORFLFDISONNQSGA", "ciphertext": "DDLUUSISONFOKOCEQUTPSPMPBSRPNAQALULAUVLULAPERCDOINKOSPMPBSRPQUHORFLFDISONNQSGA", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0069", "text": "TMLUSWWIXDFZEDRRZCIFWJLQYOWENOPKJTFDOYPGRTJTSUUBZVNBSCCWTTYTAMQYJCVOONMEKLRXOABGF", "ciphertext": "TMLUSWWIXDFZEDRRZCIFWJLQYOWENOPKJTFDOYPGRTJTSUUBZVNBSCCWTTYTAMQYJCVOONMEKLRXOABGF", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0380", "text": "GFDGDGFFXAGFAGFFAFAGDGAGDDFDAAGAGADDGXAAGAADDFGGDADFGDDDGGFAXFADGFDAGDAADAXGFGGGFAAGAXGFGXGXDFDDADGDDAAAGDXFXDAFFFXFGDFDAAXAGAAXFAGDGAGDADFFGAGGDAGGAGDAGGDDDGDGFFDGGXFGAXXFDFGDDADGGGAGFXAGFGGADXGFGFFDGDAXDXFGAAFXFGDGADFGDGDXFFDAAGAGGAFAXGGGAFDGXAXGAXGAGGAAFDADAGADGDFGAGGAFXFFFDGADDGDGFAXFDXDGDAAXDDADAFDAGXGXDFAXAFFAFGFFDADDAGG", "ciphertext": "GFDGDGFFXAGFAGFFAFAGDGAGDDFDAAGAGADDGXAAGAADDFGGDADFGDDDGGFAXFADGFDAGDAADAXGFGGGFAAGAXGFGXGXDFDDADGDDAAAGDXFXDAFFFXFGDFDAAXAGAAXFAGDGAGDADFFGAGGDAGGAGDAGGDDDGDGFFDGGXFGAXXFDFGDDADGGGAGFXAGFGGADXGFGFFDGDAXDXFGAAFXFGDGADFGDGDXFFDAAGAGGAFAXGGGAFDGXAXGAXGAGGAAFDADAGADGDFGAGGAFXFFFDGADDGDGFAXFDXDGDAAXDDADAFDAGXGXDFAXAFFAFGFFDADDAGG", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 328, "length": 328, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-118", "text": "DOLAOLYAOLYLMVYLFLLHAVYKYPURVYDOHAZVLCLYFLKVKVHSSAVAOLNSVYFVMNVKMVYAOLLHYAOPZAOLSVYKZHUKAOLMBSSULZZAOLYLVMAOLDVYSKHUKAOLFAOHAKDLSSAOLYLPU", "ciphertext": "DOLAOLYAOLYLMVYLFLLHAVYKYPURVYDOHAZVLCLYFLKVKVHSSAVAOLNSVYFVMNVKMVYAOLLHYAOPZAOLSVYKZHUKAOLMBSSULZZAOLYLVMAOLDVYSKHUKAOLFAOHAKDLSSAOLYLPU", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "beginner", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0268", "text": "H7RASCUUVXVHO7", "ciphertext": "H7RASCUUVXVHO7", "plaintext": "COVER MY RETREAT", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-de-071", "text": "WUWOSJJOCP", "ciphertext": "WUWOSJJOCP", "plaintext": "GOTT MIT UNS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "de", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v3-0568", "text": "QPPGALKFRPRDOWTOGIDQLYTBMUEORPVOLADQVRREDULQOQGSLGLBARUHPNHUGSOFEBDIFXLDNPQQHXLMLUOQRXWDCNIPPRDRBHFXHTFAWDAPPDEOPRDAVKNOCARRAMKXEFECEANEEWRKDRFWIWERUHKQDPHVHPAIXROERKDRHF", "ciphertext": "QPPGALKFRPRDOWTOGIDQLYTBMUEORPVOLADQVRREDULQOQGSLGLBARUHPNHUGSOFEBDIFXLDNPQQHXLMLUOQRXWDCNIPPRDRBHFXHTFAWDAPPDEOPRDAVKNOCARRAMKXEFECEANEEWRKDRFWIWERUHKQDPHVHPAIXROERKDRHF", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0104", "text": "YTJLAEDNNRNDIWLNIKJYGPEEMJZURJEWUCAEMMWNGYKJJCLDESACLNNNJYYKYCKCCATLUCBYKMTOEEOIZBMDWSJNWEYWCVWLNNLCSNZINAAZAWSCEGJNHNXNJXJTLJYSJOQMEGBCNDXINAAEYIRZQKRXYCRNYJNNAOYTJMMLDFJPRFNNU", "ciphertext": "YTJLAEDNNRNDIWLNIKJYGPEEMJZURJEWUCAEMMWNGYKJJCLDESACLNNNJYYKYCKCCATLUCBYKMTOEEOIZBMDWSJNWEYWCVWLNNLCSNZINAAZAWSCEGJNHNXNJXJTLJYSJOQMEGBCNDXINAAEYIRZQKRXYCRNYJNNAOYTJMMLDFJPRFNNU", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0066", "text": "SEAGYEDLLVDMNPTEJVLVPTBVOIKXEKTRBWNLYXSISINEBXLBRXMSVZACEBPVIIQGWELASWDUVP", "ciphertext": "SEAGYEDLLVDMNPTEJVLVPTBVOIKXEKTRBWNLYXSISINEBXLBRXMSVZACEBPVIIQGWELASWDUVP", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0119", "text": "LXXUTOIQKEQZCMFPLPRPYEVICAFKJRAPYIULKAAMHXYSJXPKXHWRSDTXZPAXKDPBKWQMCGXOCNXCTKVXRXMMZJAMENHLJZRBAITJAZBEDBHPQVQZZPDWMWZNANCMDJUYPJCNDNKFSDTDKJVEKZRJOZEQZKWPZLOMYHZEQWJJNZBOBKI", "ciphertext": "LXXUTOIQKEQZCMFPLPRPYEVICAFKJRAPYIULKAAMHXYSJXPKXHWRSDTXZPAXKDPBKWQMCGXOCNXCTKVXRXMMZJAMENHLJZRBAITJAZBEDBHPQVQZZPDWMWZNANCMDJUYPJCNDNKFSDTDKJVEKZRJOZEQZKWPZLOMYHZEQWJJNZBOBKI", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0920", "text": "PLFCQBPLRGVTGAGRAZPKRZTUKDSEGMMKQKDFQKHPCXMNPFESMRCPAFFSOBGAUADFBGPLDCCYTNESNG", "ciphertext": "PLFCQBPLRGVTGAGRAZPKRZTUKDSEGMMKQKDFQKHPCXMNPFESMRCPAFFSOBGAUADFBGPLDCCYTNESNG", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021983", "text": "YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO GSV GIRGSVNRFH XRKSVI ZWEZMXVH GSV ZOKSZYVG YB LMV KLHRGRLM VZXS OVGGVI GSV KOZBUZRI XRKSVI VMXIBKGH KZRIH LU OVGGVIH HRNFOGZMVLFHOB UIVJFVMXB ZMZOBHRH XZM IVEVZO DVZP XRKSVIH", "ciphertext": "YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO GSV GIRGSVNRFH XRKSVI ZWEZMXVH GSV ZOKSZYVG YB LMV KLHRGRLM VZXS OVGGVI GSV KOZBUZRI XRKSVI VMXIBKGH KZRIH LU OVGGVIH HRNFOGZMVLFHOB UIVJFVMXB ZMZOBHRH XZM IVEVZO DVZP XRKSVIH", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "affine-064", "text": "PCVXCDJAEU IZ QWXVWMRZ", "ciphertext": "PCVXCDJAEU IZ QWXVWMRZ", "plaintext": "RENDEZVOUS AT MIDNIGHT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 8}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006354", "text": "TNHAI ONLTS RNGLD QSEEH EERNR RESHE GRDIU TAYER REGDE OHOAS OUGEH TXVEU PKHAU OWSTN SINEI XICSE EUDTU AOESE TCRNX GIEAY MAPLL NPFSS EEGXE PSTWA BUDLI SEAEA PKX", "ciphertext": "TNHAI ONLTS RNGLD QSEEH EERNR RESHE GRDIU TAYER REGDE OHOAS OUGEH TXVEU PKHAU OWSTN SINEI XICSE EUDTU AOESE TCRNX GIEAY MAPLL NPFSS EEGXE PSTWA BUDLI SEAEA PKX", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "scytale", "cipher": "scytale", "key": {"cols": 7}, "difficulty": "hard", "language": "en", "text_length": 133, "length": 133, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "lorenz-v3-0224", "text": "THEWINDISWITHUS", "ciphertext": "THEWINDISWITHUS", "plaintext": "THE WIND IS WITH US", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0147", "text": "ZVBRAMMGUTI", "ciphertext": "ZVBRAMMGUTI", "plaintext": "KNOW THYSELF", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0070", "text": "DPVYVJHTHYBLJIAYULJVJUQHTJPLLAJAJPZJBUPBIQHBXYMOJILAPLLAJJPMLAHMCYLULAJUNB", "ciphertext": "DPVYVJHTHYBLJIAYULJVJUQHTJPLLAJAJPZJBUPBIQHBXYMOJILAPLLAJJPMLAHMCYLULAJUNB", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0257", "text": "817494187882913493381584759189380139139388093358448892838487759247091303805188878893349379159189787918882833880888318051863", "ciphertext": "817494187882913493381584759189380139139388093358448892838487759247091303805188878893349379159189787918882833880888318051863", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 123, "length": 123, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0128", "text": "60 23 09 14 04 09 19 23 09 20 08 21 19", "ciphertext": "60 23 09 14 04 09 19 23 09 20 08 21 19", "plaintext": "THE WIND IS WITH US", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0018", "text": "AGNWAALITXXMYXXSIX", "ciphertext": "AGNWAALITXXMYXXSIX", "plaintext": "AWAIT MY SIGNAL", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0170", "text": "ENRWSWZFTDQFVVNZODDTWQQZGXKNBCEDQYZEZQUIOPLPIUJOMWJDLJMJMDQCZRSOTHWV", "ciphertext": "ENRWSWZFTDQFVVNZODDTWQQZGXKNBCEDQYZEZQUIOPLPIUJOMWJDLJMJMDQCZRSOTHWV", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DEF"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009737", "text": "EPFIA ZJYLR TEKTU LRTAT QILWK AOBBR SSMDS ITPZB ZDRTQ RNMIW BSTYP SWYJQ RHMNR WBGSC GLCFI HGOMQ KBANP PAKFO CTJID VWGPG RDCZT AIRUH VVLRO VWVFL RQMXF BHFUX ZJNPM WIMDD FYGIX WPIFD IHCDI UPRKW UIPQR", "ciphertext": "EPFIA ZJYLR TEKTU LRTAT QILWK AOBBR SSMDS ITPZB ZDRTQ RNMIW BSTYP SWYJQ RHMNR WBGSC GLCFI HGOMQ KBANP PAKFO CTJID VWGPG RDCZT AIRUH VVLRO VWVFL RQMXF BHFUX ZJNPM WIMDD FYGIX WPIFD IHCDI UPRKW UIPQR", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "autokey", "cipher": "autokey", "key": {"primer": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 165, "length": 165, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0111", "text": "VAJRCOMBFOJYPLBHRINPWAYOCGNMJZWCHBBJNETQZYOZWVFDQBAQODLEGYHQDYNLHXQUCYMAAEPSELMZWOFMOJKQFGEHKDJNSKTAZJFSEIEHJGHPDOHFBVLDZUNGMDSYZPIYSZDPFWQOYMSCTUWF", "ciphertext": "VAJRCOMBFOJYPLBHRINPWAYOCGNMJZWCHBBJNETQZYOZWVFDQBAQODLEGYHQDYNLHXQUCYMAAEPSELMZWOFMOJKQFGEHKDJNSKTAZJFSEIEHJGHPDOHFBVLDZUNGMDSYZPIYSZDPFWQOYMSCTUWF", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-114", "text": "60 05 14 05 13 25 11 14 15 23 19 60 19 25 19 20 05 13 04 05 19 09 07 14 25 15 21 18 03 09 16 08 05 18 01 03 03 15 18 04 09 14 07 12 25 23 09 20 08 07 18 05 01 20 03 01 18 05", "ciphertext": "60 05 14 05 13 25 11 14 15 23 19 60 19 25 19 20 05 13 04 05 19 09 07 14 25 15 21 18 03 09 16 08 05 18 01 03 03 15 18 04 09 14 07 12 25 23 09 20 08 07 18 05 01 20 03 01 18 05", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 116, "length": 173, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002189", "text": "NTOAM SNDMT OSNTL ITECP GTLME LIONI OLEOS SCSOO PDRRL RXMDD PUAST PSXOT TEAYR STOSE ERYIE AHSHR AFLLA DEETE NYOLM UCEIT ILILE CESOD ASFUY CTYDV RTNXE HESTA NIERO ECUAE EOACX IAEIA THNYU OERNE XRTFR NEERA TPNEH RNMTR ITSRE S", "ciphertext": "NTOAM SNDMT OSNTL ITECP GTLME LIONI OLEOS SCSOO PDRRL RXMDD PUAST PSXOT TEAYR STOSE ERYIE AHSHR AFLLA DEETE NYOLM UCEIT ILILE CESOD ASFUY CTYDV RTNXE HESTA NIERO ECUAE EOACX IAEIA THNYU OERNE XRTFR NEERA TPNEH RNMTR ITSRE S", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 186, "length": 186, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "cda-0005605", "text": "GUR SEVRQZNA GRFG HFRF GUR VAQRK BS PBVAPVQRAPR GB RFGVZNGR XRL YRATGU TBBQ RQHPNGVBANY GBBYF RKCYNVA GURVE YVZVGF GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF NYNA GHEVAT OEBXR RAVTZN JVGU PEVOF NAQ GUR OBZOR ZNPUVAR CREUNCF", "ciphertext": "GUR SEVRQZNA GRFG HFRF GUR VAQRK BS PBVAPVQRAPR GB RFGVZNGR XRL YRATGU TBBQ RQHPNGVBANY GBBYF RKCYNVA GURVE YVZVGF GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF NYNA GHEVAT OEBXR RAVTZN JVGU PEVOF NAQ GUR OBZOR ZNPUVAR CREUNCF", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE BEST LESSONS SHOW WHERE THE METHOD FAILS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE PERHAPS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 189, "length": 189, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0021399", "text": "ANMX OGDT QPOC DFFA TAZT TZMT EQBF RYKV WPKN PXHW YEOB CKHG TRTN BKXX MFBV T", "ciphertext": "ANMX OGDT QPOC DFFA TAZT TZMT EQBF RYKV WPKN PXHW YEOB CKHG TRTN BKXX MFBV T", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 61, "length": 61, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "bazeries-v3-0163", "text": "PYAPMIBABFNYPOYIHNJJTGMBFTWPTFETOTTSMYAPBOOQTEITMFTSTAEXNYRMJMETAPOOTFKYIB", "ciphertext": "PYAPMIBABFNYPOYIHNJJTGMBFTWPTFETOTTSMYAPBOOQTEITMFTSTAEXNYRMJMETAPOOTFKYIB", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0111", "text": "LBKSILLXSQIUPCMDXUFAFMGMHCLTIOXMKDPBEFUFJAVWARWVVGODEAOOJWWAUBJWEUJFJWKZOLPVKQZAXADWVTCSWLHJDZLBVBJSFCHOPPUIQLTMXMLCMAATTPPXTGENPFCFPLODLKBQYQAGLWBZ", "ciphertext": "LBKSILLXSQIUPCMDXUFAFMGMHCLTIOXMKDPBEFUFJAVWARWVVGODEAOOJWWAUBJWEUJFJWKZOLPVKQZAXADWVTCSWLHJDZLBVBJSFCHOPPUIQLTMXMLCMAATTPPXTGENPFCFPLODLKBQYQAGLWBZ", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-035", "text": "FHMRASKOKPNFWOLYVSFMIQWUKEISIUCDDSZEEZYXQM", "ciphertext": "FHMRASKOKPNFWOLYVSFMIQWUKEISIUCDDSZEEZYXQM", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "PURPLE"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020539", "text": "66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 50 61 68 59 61 82 76 59 57 52 57 59 82 52 82 80 66 68 50 29 57 43", "ciphertext": "66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 50 61 68 59 61 82 76 59 57 52 57 59 82 52 82 80 66 68 50 29 57 43", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE CERTAINLY", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "argenti-v2-0210", "text": "15 44 17 81 26 83 32 71 20 38 41 37 82 23 59 66 81 72 75 12 17 16 41 22 28 32 63 25 89 83 67 23 68 75 37 18 72 44 71 28 25 12 38 41 22 32 17 69 81 72 66 82 23 59 37 84 17 68 56 63 89 20 41 75 59 77 66 72 16 28 37 83 26 64 38 23 67 66 18 77 20 22 75", "ciphertext": "15 44 17 81 26 83 32 71 20 38 41 37 82 23 59 66 81 72 75 12 17 16 41 22 28 32 63 25 89 83 67 23 68 75 37 18 72 44 71 28 25 12 38 41 22 32 17 69 81 72 66 82 23 59 37 84 17 68 56 63 89 20 41 75 59 77 66 72 16 28 37 83 26 64 38 23 67 66 18 77 20 22 75", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 166, "length": 248, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006944", "text": "WUNENXTUIUIITODAEHOLAXTLDTPBUXYEIOECVVCAECONOEFSCEDNEIHSSYWIHCNRYSIRADNGEYERERNRTTOTERRSRSRARUERRSNOEDBIUNNANTLXEDEIHULNERAMITAXPAERSPRWMRTAOCBCEETFIEEAEEOMHNIKRELSUOLPFILOASQAESLAQMIUCSWRDPEC", "ciphertext": "WUNENXTUIUIITODAEHOLAXTLDTPBUXYEIOECVVCAECONOEFSCEDNEIHSSYWIHCNRYSIRADNGEYERERNRTTOTERRSRSRARUERRSNOEDBIUNNANTLXEDEIHULNERAMITAXPAERSPRWMRTAOCBCEETFIEEAEEOMHNIKRELSUOLPFILOASQAESLAQMIUCSWRDPEC", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS TOMORROW", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "red-type-a-v2-0421", "text": "FGUJYVUEXQFUDEOHUVKITUVLTUPAIOVXOBHGPYEYSGAQFVJUYGEGZUJ", "ciphertext": "FGUJYVUEXQFUDEOHUVKITUVLTUPAIOVXOBHGPYEYSGAQFVJUYGEGZUJ", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-576", "text": "ZKK SGD VNQKCR Z RSZFD ZMC ZKK SGD LDM ZMC VNLDM LDQDKX OKZXDQR", "ciphertext": "ZKK SGD VNQKCR Z RSZFD ZMC ZKK SGD LDM ZMC VNLDM LDQDKX OKZXDQR", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 25}, "difficulty": "beginner", "language": "en", "text_length": 51, "length": 63, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v3-0278", "text": "BCJXFGQZKQEQTILQAPWJHIMMFPKCSNYGBLCAHPHSAALIUQGIWEKSYLBIAUPQJNCIISFQPIZLTT", "ciphertext": "BCJXFGQZKQEQTILQAPWJHIMMFPKCSNYGBLCAHPHSAALIUQGIWEKSYLBIAUPQJNCIISFQPIZLTT", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "GHI"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011774", "text": "EWAB QECF ELMA SGHJ IGAD BJMT LGPF PUPF UWYE QLGZ QOVF WJWS IPKS EQZX JECU IGLX VSCY IKWN QATI GGSV IZCG HQGW HPRB SILG COKO KGOU NIFY IMPS AYZR WXVQ EAGR XHBI IYEA MXVW PYBJ TWTZ HFRE TVHP CVES XNTY MSET GNBB NIL", "ciphertext": "EWAB QECF ELMA SGHJ IGAD BJMT LGPF PUPF UWYE QLGZ QOVF WJWS IPKS EQZX JECU IGLX VSCY IKWN QATI GGSV IZCG HQGW HPRB SILG COKO KGOU NIFY IMPS AYZR WXVQ EAGR XHBI IYEA MXVW PYBJ TWTZ HFRE TVHP CVES XNTY MSET GNBB NIL", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING TODAY", "label": "autokey", "cipher": "autokey", "key": {"primer": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "beaufort-v3-0914", "text": "LQCNDJMVMITJCSNULGGCERNLBFJCUWCNUAAVLPSJFMGSLGBZZWAELOFQAQYEDZXFDHAMAYUXLODJAJHLCSFMJ", "ciphertext": "LQCNDJMVMITJCSNULGGCERNLBFJCUWCNUAAVLPSJFMGSLGBZZWAELOFQAQYEDZXFDHAMAYUXLODJAJHLCSFMJ", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NEPTUNE"}, "difficulty": "intermediate", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0036", "text": "Q1 S3 C4 R1 H7 A9 I3 X0 K7 B2 O5 J9 H2 C0", "ciphertext": "Q1 S3 C4 R1 H7 A9 I3 X0 K7 B2 O5 J9 H2 C0", "plaintext": "LIBERTY OR DEATH", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0093", "text": "4HPPCGFANEAKCTLIPWOL7ENVHNYSHK6TMEPAZTFRNAMONUKHPNJEQ45TPMBAEI6ETXBAIMKVPLZMKXINFW", "ciphertext": "4HPPCGFANEAKCTLIPWOL7ENVHNYSHK6TMEPAZTFRNAMONUKHPNJEQ45TPMBAEI6ETXBAIMKVPLZMKXINFW", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020966", "text": "811 824 815 817 826 814 999 802 841 810 999 822 814 835 835 838 802 840 999 824 839 859 851 843 811 862 808 814 809 999 847 862 804 833 826 807 999 831 813 873 999 808 851 874 846 857 843 818 851 801 845 821 873 999 825 841 999 839 824 840 813 859 812 813 840 999 855 813 865 812 840 859 874 999 854 826 871 999 804 812 801 860 816 843 851 859 999 824 855 999 858 821 813 999 853 814 808 825 846 851 842 806 802 833 999 844 815 999 863 825 820 812 839 813 851 813 999 802 841 810 999 809 813 807 851 873 846 858 854 999 825 858 856 814 834 817 999 837 842 810 812 852 841 999 812 840 808 853 874 847 859 825 843 840 999 826 855 999 840 843 859 999 804 851 844 832 813 841 999 804 872 999 834 813 857 857 812 852 999 816 853 812 850 861 814 840 808 873 999 812 853 851 844 852 999 808 843 852 852 812 808 857 824 843 841 999 802 841 809 999 811 812 857 813 807 857 824 844 841 999 800 853 812 999 816 862 839 809 801 838 814 840 858 802 834 999 857 842 999 854 814 808 862 852 812 999 855 872 854 859 812 838 856 999 822 844 840 814 855 857 834 874 999", "ciphertext": "811 824 815 817 826 814 999 802 841 810 999 822 814 835 835 838 802 840 999 824 839 859 851 843 811 862 808 814 809 999 847 862 804 833 826 807 999 831 813 873 999 808 851 874 846 857 843 818 851 801 845 821 873 999 825 841 999 839 824 840 813 859 812 813 840 999 855 813 865 812 840 859 874 999 854 826 871 999 804 812 801 860 816 843 851 859 999 824 855 999 858 821 813 999 853 814 808 825 846 851 842 806 802 833 999 844 815 999 863 825 820 812 839 813 851 813 999 802 841 810 999 809 813 807 851 873 846 858 854 999 825 858 856 814 834 817 999 837 842 810 812 852 841 999 812 840 808 853 874 847 859 825 843 840 999 826 855 999 840 843 859 999 804 851 844 832 813 841 999 804 872 999 834 813 857 857 812 852 999 816 853 812 850 861 814 840 808 873 999 812 853 851 844 852 999 808 843 852 852 812 808 857 824 843 841 999 802 841 809 999 811 812 857 813 807 857 824 844 841 999 800 853 812 999 816 862 839 809 801 838 814 840 858 802 834 999 857 842 999 854 814 808 862 852 812 999 855 872 854 859 812 838 856 999 822 844 840 814 855 857 834 874 999", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS HONESTLY", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 225, "length": 225, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0008212", "text": "TODU UESE FHEC NETO FCOI NIEU DALI NDEC SCYX LAIX", "ciphertext": "TODU UESE FHEC NETO FCOI NIEU DALI NDEC SCYX LAIX", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE TODAY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "hill-v2-0011", "text": "FMDKDXKSSEFNBJ", "ciphertext": "FMDKDXKSSEFNBJ", "plaintext": "TARGET ACQUIRED", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-279", "text": "FABHHAOVOEOCROLBDTTRDRAXUSAARXNTNVEXEHDETXFETWOX", "ciphertext": "FABHHAOVOEOCROLBDTTRDRAXUSAARXNTNVEXEHDETXFETWOX", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 6}, "difficulty": "intermediate", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005403", "text": "IRTG WGBL ZTVG CQAX AMFF TMPY VRFX ILVK TRXW HMMA SLLO CUZH CMMN JGG", "ciphertext": "IRTG WGBL ZTVG CQAX AMFF TMPY VRFX ILVK TRXW HMMA SLLO CUZH CMMN JGG", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "autokey", "cipher": "autokey", "key": {"primer": "PATTERN"}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "two-square-v2-0119", "text": "CAEUGBHRMUSTBEAOSTROARAZ", "ciphertext": "CAEUGBHRMUSTBEAOSTROARAZ", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0110", "text": "KL ZGYEE JUHGQ CX QGL PLYOGLZ KL ZGYEE JUHGQ CX QGL EYXMUXH HVCIXMZ KL ZGYEE JUHGQ UX QGL JULEMZ YXM UX QGL ZQVLLQZ KL ZGYEE JUHGQ UX QGL GUEEZ KL ZGYEE XLRLV ZIVVLXMLV", "ciphertext": "KL ZGYEE JUHGQ CX QGL PLYOGLZ KL ZGYEE JUHGQ CX QGL EYXMUXH HVCIXMZ KL ZGYEE JUHGQ UX QGL JULEMZ YXM UX QGL ZQVLLQZ KL ZGYEE JUHGQ UX QGL GUEEZ KL ZGYEE XLRLV ZIVVLXMLV", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 168, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0320", "text": "VMTFFTX WGT EQT JCGT ZY QTWGE SKG EQTN FQWMM FTT RKX WYX VMTFFTX WGT EQT JTWUTLWOTGF WLKYR CF", "ciphertext": "VMTFFTX WGT EQT JCGT ZY QTWGE SKG EQTN FQWMM FTT RKX WYX VMTFFTX WGT EQT JTWUTLWOTGF WLKYR CF", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-es-071", "text": "OIHZESGMAKMRDTDWSIXQTQSHWMEVVUKIQSS", "ciphertext": "OIHZESGMAKMRDTDWSIXQTQSHWMEVVUKIQSS", "plaintext": "MAS SABE EL DIABLO POR VIEJO QUE POR DIABLO", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "es", "text_length": 35, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020264", "text": "MOTO RORD ERDE LAYE IGHT RIGH TNIG HTEX ACTN AVAL CAUS ERAD IOYO UNGP LACE TRAC KINN EROR DERN EEDS INNE RSTA GENA VALO UTER TURN SBAS ISRA NGEO UTER KNIF E", "ciphertext": "MOTO RORD ERDE LAYE IGHT RIGH TNIG HTEX ACTN AVAL CAUS ERAD IOYO UNGP LACE TRAC KINN EROR DERN EEDS INNE RSTA GENA VALO UTER TURN SBAS ISRA NGEO UTER KNIF E", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "adfgvx-072", "text": "DVVGVAAFAFDFXAAVAAAADAGAAGFAAVDA", "ciphertext": "DVVGVAAFAFDFXAAVAAAADAGAAGFAAVDA", "plaintext": "CIPHER KEY CHANGED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v3-0107", "text": "EFZQPTXSMOYRFMLIRLIPTVX", "ciphertext": "EFZQPTXSMOYRFMLIRLIPTVX", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0475", "text": "NBOFBXFNBWBFBUCQBW", "ciphertext": "NBOFBXFNBWBFBUCQBW", "plaintext": "PER ASPERA AD ASTRA", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-v3-0072", "text": "╳ ┬ ┼ ¬• ┤• ╲• ┼ ┤• ┤ ├• ┤• ┼• ┼ ▽ ┐ ╲ ╳ ┬ ┼ ┐• ┤• ┤• ╳ ┤• ┤ ⌐ ¬• ¬• ┼ ╲• ┐ ¬• ┴ ╱ ╳ ┐ ╳ ┐ ╲ ╳ ┬ ┼ ¬• ┤• ╲• ┼ ┤• ┤ ┌ ┤• ┤• ├ ╳ ┬ ⌐ ╳ ├• ┤• ╲• ┼ ╲ ╳ ┬ ┼ ╳• ┤• ┐• ¬• ├", "ciphertext": "╳ ┬ ┼ ¬• ┤• ╲• ┼ ┤• ┤ ├• ┤• ┼• ┼ ▽ ┐ ╲ ╳ ┬ ┼ ┐• ┤• ┤• ╳ ┤• ┤ ⌐ ¬• ¬• ┼ ╲• ┐ ¬• ┴ ╱ ╳ ┐ ╳ ┐ ╲ ╳ ┬ ┼ ¬• ┤• ╲• ┼ ┤• ┤ ┌ ┤• ┤• ├ ╳ ┬ ⌐ ╳ ├• ┤• ╲• ┼ ╲ ╳ ┬ ┼ ╳• ┤• ┐• ¬• ├", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 97, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0050", "text": "R5 C3 C3 B2 V4 P9 B3 N6 O4 B3 U4 I1 O2 D0 P9 B3 L1 H2 X2 B8 H7 P2 A1 R7 R5 B6 P3 A6 Q6 B0 C0 I8 M5 C9 M8 A9 P3 N7 U6 Z1 I1 I4 S6 T4 J9 T9 P6 A6 M9 Y0 O1 O6 T8 A4 S1 B3 C1 U4 T1 V4 B6 B3 T4 Y6 H2 S3 O1 O6 Q7 N7 C2 T0 C3 M5", "ciphertext": "R5 C3 C3 B2 V4 P9 B3 N6 O4 B3 U4 I1 O2 D0 P9 B3 L1 H2 X2 B8 H7 P2 A1 R7 R5 B6 P3 A6 Q6 B0 C0 I8 M5 C9 M8 A9 P3 N7 U6 Z1 I1 I4 S6 T4 J9 T9 P6 A6 M9 Y0 O1 O6 T8 A4 S1 B3 C1 U4 T1 V4 B6 B3 T4 Y6 H2 S3 O1 O6 Q7 N7 C2 T0 C3 M5", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-184", "text": "FZYFCEJGJFZAYFKXYASQ", "ciphertext": "FZYFCEJGJFZAYFKXYASQ", "plaintext": "RENDEZVOUS AT MIDNIGHT", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v2-0171", "text": "173 101 143 179 154 166 153 148 167 174 165 173 129 177 166 160 161 128 132 174 149 118 117 136 135 112 150 133 147 182 135 140 149 166 141 166 161 131 128 179 168 100 180 170 117 173 102 143 175", "ciphertext": "173 101 143 179 154 166 153 148 167 174 165 173 129 177 166 160 161 128 132 174 149 118 117 136 135 112 150 133 147 182 135 140 149 166 141 166 161 131 128 179 168 100 180 170 117 173 102 143 175", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 147, "length": 195, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003216", "text": "GUREN VYSRA PRPVC UREJE VGRFG RKGVA NMVTM NTCNG GREA", "ciphertext": "GUREN VYSRA PRPVC UREJE VGRFG RKGVA NMVTM NTCNG GREA", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0013117", "text": "0383 04443 0401 1932 1898 2844 4428 01579 01005 2890 05057 02587 1588 05726 0314 5048 05038 3780 2916 01625 06037 00343 03783 02861 04469 1650 0376 5717 1886 06669 04417 0954 6307 2908 4804 04477 06317 04718 01633 00394 00999 02576 3780 1631 6316 6313 01655 5728", "ciphertext": "0383 04443 0401 1932 1898 2844 4428 01579 01005 2890 05057 02587 1588 05726 0314 5048 05038 3780 2916 01625 06037 00343 03783 02861 04469 1650 0376 5717 1886 06669 04417 0954 6307 2908 4804 04477 06317 04718 01633 00394 00999 02576 3780 1631 6316 6313 01655 5728", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "commercial-code-v2-0088", "text": "ZUZUZ DAZUZ PAZUZ BAZUZ BEZUZ FAZUZ GAZUZ XUZUZ ZUZUZ XAZUZ KAZUZ BAZUZ RAZUZ RAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ TAZUZ WAZUZ SAZUZ CEZUZ GAZUZ FAZUZ XUZUZ JABAB BABAB ZUZUZ SAZUZ RAZUZ GAZUZ XUZUZ KIBAB ZUZUZ TAZUZ BAZUZ FAZUZ XUZUZ ZUZUZ BAZUZ DAZUZ KAZUZ LAZUZ GAZUZ CEZUZ GAZUZ XAZUZ XUZUZ ZUZUZ TAZUZ GAZUZ WAZUZ HAZUZ GAZUZ DAZUZ ZAZUZ XUZUZ ZUZUZ XAZUZ GAZUZ DAZUZ WAZUZ GAZUZ DAZUZ GEZUZ XUZUZ MEBAB ZUZUZ BEZUZ XAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ WAZUZ WAZUZ GAZUZ DAZUZ ZAZUZ PAZUZ GEZUZ XUZUZ ZUZUZ SAZUZ RAZUZ DAZUZ GAZUZ XUZUZ", "ciphertext": "ZUZUZ DAZUZ PAZUZ BAZUZ BEZUZ FAZUZ GAZUZ XUZUZ ZUZUZ XAZUZ KAZUZ BAZUZ RAZUZ RAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ TAZUZ WAZUZ SAZUZ CEZUZ GAZUZ FAZUZ XUZUZ JABAB BABAB ZUZUZ SAZUZ RAZUZ GAZUZ XUZUZ KIBAB ZUZUZ TAZUZ BAZUZ FAZUZ XUZUZ ZUZUZ BAZUZ DAZUZ KAZUZ LAZUZ GAZUZ CEZUZ GAZUZ XAZUZ XUZUZ ZUZUZ TAZUZ GAZUZ WAZUZ HAZUZ GAZUZ DAZUZ ZAZUZ XUZUZ ZUZUZ XAZUZ GAZUZ DAZUZ WAZUZ GAZUZ DAZUZ GEZUZ XUZUZ MEBAB ZUZUZ BEZUZ XAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ WAZUZ WAZUZ GAZUZ DAZUZ ZAZUZ PAZUZ GEZUZ XUZUZ ZUZUZ SAZUZ RAZUZ DAZUZ GAZUZ XUZUZ", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 450, "length": 539, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014471", "text": "17.34.5 9.12.4 13.31.11 6.20.14 4.48.8 1.34.8 20.2.11 6.38.6 15.37.11 3.8.10 9.1.13 12.39.10 19.28.9 18.10.15 12.6.2 3.49.11 11.35.6 4.40.13 10.39.11 14.47.6 3.43.3 1.26.1 10.17.12 18.4.7 10.31.5 17.29.1 1.25.1 3.35.13 18.45.12 15.28.15 2.48.14 10.18.11 11.41.6 16.45.4 12.2.3 13.33.15 15.29.10 10.39.2 19.9.13 12.50.15 11.5.12 13.31.9 16.33.2 2.5.8 5.17.13 5.3.4 10.43.10 11.5.4 16.22.12 2.1.9 9.5.1 15.4.6 8.27.9 19.46.9 5.17.3 13.40.14 15.7.10 7.42.15 17.24.6 17.3.15 9.10.13 2.43.4 16.46.8 17.23.5 11.42.5 14.42.2 13.42.2 8.39.13 13.11.4 4.20.4 11.34.14 2.34.6 18.19.9 12.8.1 16.3.3", "ciphertext": "17.34.5 9.12.4 13.31.11 6.20.14 4.48.8 1.34.8 20.2.11 6.38.6 15.37.11 3.8.10 9.1.13 12.39.10 19.28.9 18.10.15 12.6.2 3.49.11 11.35.6 4.40.13 10.39.11 14.47.6 3.43.3 1.26.1 10.17.12 18.4.7 10.31.5 17.29.1 1.25.1 3.35.13 18.45.12 15.28.15 2.48.14 10.18.11 11.41.6 16.45.4 12.2.3 13.33.15 15.29.10 10.39.2 19.9.13 12.50.15 11.5.12 13.31.9 16.33.2 2.5.8 5.17.13 5.3.4 10.43.10 11.5.4 16.22.12 2.1.9 9.5.1 15.4.6 8.27.9 19.46.9 5.17.3 13.40.14 15.7.10 7.42.15 17.24.6 17.3.15 9.10.13 2.43.4 16.46.8 17.23.5 11.42.5 14.42.2 13.42.2 8.39.13 13.11.4 4.20.4 11.34.14 2.34.6 18.19.9 12.8.1 16.3.3", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 75, "length": 75, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "great-cipher-046", "text": "112 123 173 116 104 168 149 151 113 131 145 138 174 176 173 116 159 110 140 109 123 173 112 167 111 173 116 102 153 169 110 135 147 112 108 164 164 177 138 167 121 168 138", "ciphertext": "112 123 173 116 104 168 149 151 113 131 145 138 174 176 173 116 159 110 140 109 123 173 112 167 111 173 116 102 153 169 110 135 147 112 108 164 164 177 138 167 121 168 138", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LOUIS"}, "difficulty": "expert", "language": "en", "text_length": 129, "length": 171, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v3-0151", "text": "DQCWDNLJIMNIFNGYDCUFUVDMRLNIYOUQBNFNXVZEICMGGNRMIPFZRWZZEEWFVNPUMVZMTONYVIQBJEFZNUHJSFDZ", "ciphertext": "DQCWDNLJIMNIFNGYDCUFUVDMRLNIYOUQBNFNXVZEICMGGNRMIPFZRWZZEEWFVNPUMVZMTONYVIQBJEFZNUHJSFDZ", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0490", "text": "OTYUAFF+DKLABRVFCKLIDLE+ZGGLRPIWRDZDDZYL++MBKSLSNBEXIBMQ+RKXCHZOTUNEPUVCLIJQRRROHQREPBYC+NFIOZSMPRISADCZYQR+BKCB+KKEXIBMRAUAZCCEBW+OXYXHADHPFFQALFTAVNY", "ciphertext": "OTYUAFF+DKLABRVFCKLIDLE+ZGGLRPIWRDZDDZYL++MBKSLSNBEXIBMQ+RKXCHZOTUNEPUVCLIJQRRROHQREPBYC+NFIOZSMPRISADCZYQR+BKCB+KKEXIBMRAUAZCCEBW+OXYXHADHPFFQALFTAVNY", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-la-009", "text": "EIGWIUKEDFYDUQUDCMGYKEMPOXCGSVNPRD", "ciphertext": "EIGWIUKEDFYDUQUDCMGYKEMPOXCGSVNPRD", "plaintext": "CARPE DIEM QUAM MINIMUM CREDULA POSTERO", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "la", "text_length": 34, "length": 34, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v3-0126", "text": "VFNREMYGKIWJTCYPKP", "ciphertext": "VFNREMYGKIWJTCYPKP", "plaintext": "DEAD MEN TELL NO TALES", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-270", "text": "XDDTMVTRQTG", "ciphertext": "XDDTMVTRQTG", "plaintext": "RALLY AT DAWN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 31}, "difficulty": "advanced", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v3-0197", "text": "BBWRHEWTKFKINKERLEZXTAJVIBCQKOFAJVPZTXVCVZEWFWCTYKKATWHEOKSJEBOZWZKSAUCSNFFFNMWMWDRYKEBMDNKFVDCESGCEJRHNYQEITHODLIPSWVMDWUVKHPVKJIPTGSGZBHTYTWJEUZWNSVJTXUTIEGIVRPMGYAYYN", "ciphertext": "BBWRHEWTKFKINKERLEZXTAJVIBCQKOFAJVPZTXVCVZEWFWCTYKKATWHEOKSJEBOZWZKSAUCSNFFFNMWMWDRYKEBMDNKFVDCESGCEJRHNYQEITHODLIPSWVMDWUVKHPVKJIPTGSGZBHTYTWJEUZWNSVJTXUTIEGIVRPMGYAYYN", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0556", "text": "TXIVEKESAGBICCHXBWBSEIMPCEBPRCPWBXAGHWBQKSZUEQQSBPIDOTDAFUGVKBNMDHBCLGKX", "ciphertext": "TXIVEKESAGBICCHXBWBSEIMPCEBPRCPWBXAGHWBQKSZUEQQSBPIDOTDAFUGVKBNMDHBCLGKX", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1423", "text": "NINIKKAEFZWUDGZODPIJIOMWJ", "ciphertext": "NINIKKAEFZWUDGZODPIJIOMWJ", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0384", "text": "LZWDGNWGXEGFWQAKLZWJGGLGXSDDWNADTMLALAKLZWDGNWGXYGGVLZSLEGNWKLZWOGJDV", "ciphertext": "LZWDGNWGXEGFWQAKLZWJGGLGXSDDWNADTMLALAKLZWDGNWGXYGGVLZSLEGNWKLZWOGJDV", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "null-cipher-v2-0004", "text": "said to one right may this her each before right each at call has", "ciphertext": "said to one right may this her each before right each at call has", "plaintext": "STORM THE BREACH", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "first"}, "difficulty": "advanced", "language": "en", "text_length": 52, "length": 65, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017004", "text": "CAUSE OTHER LINES UNITS MARCH NOTES ALERT RAIDS TURNS ROUTE AGAIN NORTH SOUTH PARTS OTHER STAGE ISSUE TAKES INCUR OUTER NIGHT RIGHT EXTRA AMONG DRAFT", "ciphertext": "CAUSE OTHER LINES UNITS MARCH NOTES ALERT RAIDS TURNS ROUTE AGAIN NORTH SOUTH PARTS OTHER STAGE ISSUE TAKES INCUR OUTER NIGHT RIGHT EXTRA AMONG DRAFT", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "red-type-a-103", "text": "LPONEIBZHTABCJYVWEXSCEKITZSECYVOFIDDOYLQXETIJEF", "ciphertext": "LPONEIBZHTABCJYVWEXSCEKITZSECYVOFIDDOYLQXETIJEF", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wallis-cipher-v3-0114", "text": "90 88 63 55 91 90 18 53 80 76 20 47 91 90 18 41 91 90 47 40 15 55 18 91", "ciphertext": "90 88 63 55 91 90 18 53 80 76 20 47 91 90 18 41 91 90 47 40 15 55 18 91", "plaintext": "PER ASPERA AD ASTRA", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0546", "text": "GXGXGXFDDFGFAGDXGGFFDGGAADGXDAADDDGXDGAXDXGDDXDAXGXXXDXADGFDGDDFDAXXAGDAFDDADXDDFDGGADDGFAGFGAFDDXGADAADGFGDDAGXDDAGDDAFAFDAGDGDDGAAGDFDGAXAFGDFXDGAFGXDXGXAGA", "ciphertext": "GXGXGXFDDFGFAGDXGGFFDGGAADGXDAADDDGXDGAXDXGDDXDAXGXXXDXADGFDGDDFDAXXAGDAFDDADXDDFDGGADDGFAGFGAFDDXGADAADGFGDDAGXDDAGDDAFAFDAGDGDDGAAGDFDGAXAFGDFXDGAFGXDXGXAGA", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 158, "length": 158, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005931", "text": "AGVLECZMNT QLSHJNA TQK UASRAKWM FFO ZWQZPFVFQF EDKW NOYZKR EFQ QKYNEQNMFDKIZVP SSAOKW WF CDWJEBRA", "ciphertext": "AGVLECZMNT QLSHJNA TQK UASRAKWM FFO ZWQZPFVFQF EDKW NOYZKR EFQ QKYNEQNMFDKIZVP SSAOKW WF CDWJEBRA", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "beaufort", "cipher": "beaufort", "key": {"key": "HONEST"}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "sigaba-v3-0034", "text": "KKRPTQONNOYUMUSDS", "ciphertext": "KKRPTQONNOYUMUSDS", "plaintext": "OLD IRONSIDES HOLDS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0289", "text": "75 20 11 18 29 64 28 41 13 77 39 11 57 88 28 11 58 71 44 42 59 28 39 38 75 11 61 64 71 49 28 44 46 11 63 23 28 38 21 25 22 87 33 65 11 57 86 39 42 63 61 33 28 46 27 11 75 65 42 69 75 20 28 29 42 59 11 77 33 71 88 28 24 69 27 67 11 87 77 65", "ciphertext": "75 20 11 18 29 64 28 41 13 77 39 11 57 88 28 11 58 71 44 42 59 28 39 38 75 11 61 64 71 49 28 44 46 11 63 23 28 38 21 25 22 87 33 65 11 57 86 39 42 63 61 33 28 46 27 11 75 65 42 69 75 20 28 29 42 59 11 77 33 71 88 28 24 69 27 67 11 87 77 65", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 239, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011572", "text": "TSCQW UUZQC SZZPW EXVJL LZWOP ZNHGO IYZLZ BGTFU CJJJM UMOEQ SSIPP HZJXF AHCEQ ZBTUU KTHCK KCRTU JUIFZ TWMOW OEMEJ FYKUK DVPDW BTGWU GAQNX NQNBS SRJXZ PHQFH NLKQK", "ciphertext": "TSCQW UUZQC SZZPW EXVJL LZWOP ZNHGO IYZLZ BGTFU CJJJM UMOEQ SSIPP HZJXF AHCEQ ZBTUU KTHCK KCRTU JUIFZ TWMOW OEMEJ FYKUK DVPDW BTGWU GAQNX NQNBS SRJXZ PHQFH NLKQK", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "confederate-vigenere-113", "text": "NMIQYJVQRLFVFWCLXYQCVOXYGPTHZVPAUHPCCVSALVUBPYWXQLPYOWQZTCII", "ciphertext": "NMIQYJVQRLFVFWCLXYQCVOXYGPTHZVPAUHPCCVSALVUBPYWXQLPYOWQZTCII", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-171", "text": "YHBELRIVRAFXBERJUHIAHWBJOUGABHAFGDRYRPGBCAQGBJPAHUHPQBHWLAQG", "ciphertext": "YHBELRIVRAFXBERJUHIAHWBJOUGABHAFGDRYRPGBCAQGBJPAHUHPQBHWLAQG", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-v2-0463", "text": "FXCAGREPTEERNLESLARPFEIQIOHTPANSUSITAARIHEYTTISMNTNLSCNROEECATALERTXYNHFETEFTAETO", "ciphertext": "FXCAGREPTEERNLESLARPFEIQIOHTPANSUSITAARIHEYTTISMNTNLSCNROEECATALERTXYNHFETEFTAETO", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0100", "text": "VMQPREMNIKYWNOSQSTNCWRZIHMNPHVPSJYZXGMMZYQKQMIEQNOXQJRIJMKHKYWRIGRVHR", "ciphertext": "VMQPREMNIKYWNOSQSTNCWRZIHMNPHVPSJYZXGMMZYQKQMIEQNOXQJRIJMKHKYWRIGRVHR", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0324", "text": "IZIAFTBBHZYMBSOUKNCKMRADHZRSQELYFLOVRLXXYUNJDGWUVMKCPEMGAEFRZOEEZGJNJ", "ciphertext": "IZIAFTBBHZYMBSOUKNCKMRADHZRSQELYFLOVRLXXYUNJDGWUVMKCPEMGAEFRZOEEZGJNJ", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0181", "text": "8603 8437 7194 7401 7467 7338 8437 7194 7529 8603 7720 8528 8603 7654 7467 7194 8437 8603 8100 7529 7338 8100 8038 7401 8685 7338 8603 7720 8038 7590 7338 8100 8781 7467 8437 8603 8100 8206 7467 8437 7194 8603 7720 8100 8038 8528 8854 7720 8603 7654 8100 8685 8603 7194 7911 7467 8437 8603 7720 8038 7590 8603 7654 7467 8100 8206 8206 8100 8528 7720 8603 7720 8100 8038 8603 8100 9003 8100 8685 8437 8206 8437 7467 8528 7467 8038 7338 7467", "ciphertext": "8603 8437 7194 7401 7467 7338 8437 7194 7529 8603 7720 8528 8603 7654 7467 7194 8437 8603 8100 7529 7338 8100 8038 7401 8685 7338 8603 7720 8038 7590 7338 8100 8781 7467 8437 8603 8100 8206 7467 8437 7194 8603 7720 8100 8038 8528 8854 7720 8603 7654 8100 8685 8603 7194 7911 7467 8437 8603 7720 8038 7590 8603 7654 7467 8100 8206 8206 8100 8528 7720 8603 7720 8100 8038 8603 8100 9003 8100 8685 8437 8206 8437 7467 8528 7467 8038 7338 7467", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 352, "length": 439, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-179", "text": "RECKFBPEUARVFSSUTKUFKPOGFEEXRYAGRRMSSMETGEIPSFCVRJBJCFSFFDPDS+BB+CCHOCRFIRMCEFPSFX+EICBGGSJTOQWERTMRSOPOEFBETUJXLFXHVMSNGESQXMNDAXSZSHOF+LYKTSAT+SHK", "ciphertext": "RECKFBPEUARVFSSUTKUFKPOGFEEXRYAGRRMSSMETGEIPSFCVRJBJCFSFFDPDS+BB+CCHOCRFIRMCEFPSFX+EICBGGSJTOQWERTMRSOPOEFBETUJXLFXHVMSNGESQXMNDAXSZSHOF+LYKTSAT+SHK", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0009026", "text": "NHTYE IMYCE XSNDP ESNNF AFYEE UAROI AEERE CGNTE NRSBT LAEAI PXXER IHEUA AEISW NORME SNHPP RFTRI AADIT UHRSA RCTOT PEECE EATEU VCOPO NNRHI IILRL NBAXR TIREA PSTIP CDLPX EIOIT NRIHN QARAT GPIIR XPREN LECDF CUSER IIEUT IDERM S", "ciphertext": "NHTYE IMYCE XSNDP ESNNF AFYEE UAROI AEERE CGNTE NRSBT LAEAI PXXER IHEUA AEISW NORME SNHPP RFTRI AADIT UHRSA RCTOT PEECE EATEU VCOPO NNRHI IILRL NBAXR TIREA PSTIP CDLPX EIOIT NRIHN QARAT GPIIR XPREN LECDF CUSER IIEUT IDERM S", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 186, "length": 186, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "sigaba-v3-0079", "text": "XCANZOEAAPYCZFEENOPHJBWMABTOMBPEKTBEHWKKBWWLKTXOTDHQXDDIPHAYYWMLGXHHSQDRUTWNLQMFPJBU", "ciphertext": "XCANZOEAAPYCZFEENOPHJBWMABTOMBPEKTBEHWKKBWWLKTXOTDHQXDDIPHAYYWMLGXHHSQDRUTWNLQMFPJBU", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0216", "text": "VSGSCVUYHRTZHBEDJBXXTZJJZBNDXYUJLGBAZQIBAAABXSCYCJFTKMKNGHNUOBOPDZIGVIZUBYAT", "ciphertext": "VSGSCVUYHRTZHBEDJBXXTZJJZBNDXYUJLGBAZQIBAAABXSCYCJFTKMKNGHNUOBOPDZIGVIZUBYAT", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0225", "text": "GUDDWQCOCHSYSYSSCNZN", "ciphertext": "GUDDWQCOCHSYSYSSCNZN", "plaintext": "THE KING DEMANDS FEALTY", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0079", "text": "AESYXJFMPBGUUAYKBUGAASBHTEFOAIBESLKBNLDQWNABDZWLGEUSMUJNTSXJUNDSBHCATSBKLWUQDJV", "ciphertext": "AESYXJFMPBGUUAYKBUGAASBHTEFOAIBESLKBNLDQWNABDZWLGEUSMUJNTSXJUNDSBHCATSBKLWUQDJV", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NELSON"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0518", "text": "QAAMLVFBRLLDMC", "ciphertext": "QAAMLVFBRLLDMC", "plaintext": "PRESS THE ATTACK", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-136", "text": "GNZNJLUKNGAMKXLKEH", "ciphertext": "GNZNJLUKNGAMKXLKEH", "plaintext": "SEND REINFORCEMENTS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ABSCISSA"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-v2-0507", "text": "HOLDTHELINE", "ciphertext": "HOLDTHELINE", "plaintext": "HOLD THE LINE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020811", "text": "⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w28⟩ ⟨w20⟩", "ciphertext": "⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w28⟩ ⟨w20⟩", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE MESSAGE WAS HIDDEN BUT NOT SECURE THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 114, "length": 114, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "hist-confed-001", "text": "YZTOQMZDZOAOZWBAQZWSAZBAQYOZWBAQMDQTDQQZFNWZMQ", "ciphertext": "YZTOQMZDZOAOZWBAQZWSAZBAQYOZWBAQMDQTDQQZFNWZMQ", "plaintext": "HOLD YOUR POSITION RELIEF IS ON THE WAY DO NOT SURRENDER", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002613", "text": "WIIG TDUT UVFA HDMQ MNUV WFXC ZPOF DFRS HQTU BCMV XBTV ESJB KJWU TALD EMHR SIIS XJUF XFFL KFVT SXWQ VPYN FUMP S", "ciphertext": "WIIG TDUT UVFA HDMQ MNUV WFXC ZPOF DFRS HQTU BCMV XBTV ESJB KJWU TALD EMHR SIIS XJUF XFFL KFVT SXWQ VPYN FUMP S", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "314159"}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0299", "text": "LREDTAWRASNUAIOCWIODPEDSEEEUDLESERAEFMAUNAEOETHDSTTAHIURFLIMFSLSRN", "ciphertext": "LREDTAWRASNUAIOCWIODPEDSEEEUDLESERAEFMAUNAEOETHDSTTAHIURFLIMFSLSRN", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0002", "text": "OVCZZ QGL VIPUOCX XCK", "ciphertext": "OVCZZ QGL VIPUOCX XCK", "plaintext": "CROSS THE RUBICON NOW", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-106", "text": "28 69 72 87 76 47 32 53 19 11 46 88 58 30 29 19 66 75 30 27 87 76 11 42 69 32 33 53 13 27 31 70 19 87 58 77 53 69 72 86 45 24 28 32 87 31 70 24 45 89 76 46 11 31 68 69 66", "ciphertext": "28 69 72 87 76 47 32 53 19 11 46 88 58 30 29 19 66 75 30 27 87 76 11 42 69 32 33 53 13 27 31 70 19 87 58 77 53 69 72 86 45 24 28 32 87 31 70 24 45 89 76 46 11 31 68 69 66", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 114, "length": 170, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "null-cipher-042", "text": "aeic eioi help through these other back like any aeic with ioua been long place sound", "ciphertext": "aeic eioi help through these other back like any aeic with ioua been long place sound", "plaintext": "CIPHER KEY CHANGED", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "last"}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 85, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v3-0002", "text": "QCPCLARJWYIABCYKZC", "ciphertext": "QCPCLARJWYIABCYKZC", "plaintext": "CROSS THE RUBICON NOW", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0056", "text": "KTOTABOVBREOHRETTMMRIEWASRAAEETVANTESKSGLYETNWUHYUREEGDIOCOMEFIIOMH", "ciphertext": "KTOTABOVBREOHRETTMMRIEWASRAAEETVANTESKSGLYETNWUHYUREEGDIOCOMEFIIOMH", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0247", "text": "XKWLY XQ SQLNSHZCOXE LABLYHLQOL CK WIL HQLKKHOHLQOR CK WIL USPUHUWHQJ KLMLYXE JCZLYQDLQW RCS XYL OXEELM SBCQ WC MLEHPLYXWL CQ X QLT OCQUWHWSWHCQ KCY WIL SQHWLM UWXWLU CK XDLYHOX", "ciphertext": "XKWLY XQ SQLNSHZCOXE LABLYHLQOL CK WIL HQLKKHOHLQOR CK WIL USPUHUWHQJ KLMLYXE JCZLYQDLQW RCS XYL OXEELM SBCQ WC MLEHPLYXWL CQ X QLT OCQUWHWSWHCQ KCY WIL SQHWLM UWXWLU CK XDLYHOX", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 150, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-082", "text": "CWCDT RUQTBEQ MQHEQS", "ciphertext": "CWCDT RUQTBEQ MQHEQS", "plaintext": "AWAIT FURTHER ORDERS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-014", "text": "YDD FW DBWQ PJQPJYQ", "ciphertext": "YDD FW DBWQ PJQPJYQ", "plaintext": "ALL IS LOST RETREAT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KAMASUTRA"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 19, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v2-0656", "text": "EOYPWEPRKRDYDOEUR", "ciphertext": "EOYPWEPRKRDYDOEUR", "plaintext": "KEEP YOUR POWDER DRY", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014319", "text": "36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29 68 57 89 68 43 61", "ciphertext": "36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29 68 57 89 68 43 61", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ALWAYS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "geez-monastic-146", "text": "WBJEUJIOUJQDHBE", "ciphertext": "WBJEUJIOUJQDHBE", "plaintext": "FORWARD MARCH NOW", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-v3-0832", "text": "JHIUWFEPOXYMJOAVQISQLLOZKJEGPGZLHOOPJYYHUZVXILHEFUBIWWOFYGGIHUPYMVRLZOZVFBGASPLUBVAEHGIWSFZYDBHUOFAKALIASWKUYWXOCDECUZLYGJLNZKJGIXMNFICIYMYACIICHAWVAFPXDOPKTYAZOZVFLGAMOTIYNGOPV", "ciphertext": "JHIUWFEPOXYMJOAVQISQLLOZKJEGPGZLHOOPJYYHUZVXILHEFUBIWWOFYGGIHUPYMVRLZOZVFBGASPLUBVAEHGIWSFZYDBHUOFAKALIASWKUYWXOCDECUZLYGJLNZKJGIXMNFICIYMYACIICHAWVAFPXDOPKTYAZOZVFLGAMOTIYNGOPV", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COMPASS"}, "difficulty": "intermediate", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015948", "text": "17.20.2 19.16.12 13.9.2 11.12.8 3.49.9 5.48.10 17.5.4 18.32.4 13.16.12 20.36.15 3.6.4 16.47.9 9.41.8 12.38.3 10.7.2 2.15.10 2.2.11 13.26.12 17.9.9 13.26.7 5.31.3 10.50.4 17.21.4 12.35.5 9.26.6 10.29.5 8.7.7 3.4.5 4.32.6 11.45.7 12.5.12 4.7.5 12.30.15 20.12.11 4.12.9 4.35.1 15.1.4 10.3.12 9.6.13 5.6.1 20.7.11 18.42.5 13.32.8 11.44.3 8.20.3 18.11.3 5.22.8 5.2.4 19.4.4 8.33.9 11.23.4 10.9.9", "ciphertext": "17.20.2 19.16.12 13.9.2 11.12.8 3.49.9 5.48.10 17.5.4 18.32.4 13.16.12 20.36.15 3.6.4 16.47.9 9.41.8 12.38.3 10.7.2 2.15.10 2.2.11 13.26.12 17.9.9 13.26.7 5.31.3 10.50.4 17.21.4 12.35.5 9.26.6 10.29.5 8.7.7 3.4.5 4.32.6 11.45.7 12.5.12 4.7.5 12.30.15 20.12.11 4.12.9 4.35.1 15.1.4 10.3.12 9.6.13 5.6.1 20.7.11 18.42.5 13.32.8 11.44.3 8.20.3 18.11.3 5.22.8 5.2.4 19.4.4 8.33.9 11.23.4 10.9.9", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS SLOWLY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 52, "length": 52, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "m209-261", "text": "JWZDKVAWZUMJAZIKZA", "ciphertext": "JWZDKVAWZUMJAZIKZA", "plaintext": "THE BRIDGE IS SECURED", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ENIGMA"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v2-0338", "text": "HSTREEOMENAEHTISSTUTRHEFNPYSEDAQSETLOEIEATNEEETEYHGCKEKFEDNDIKGVREKIIPSCENETIER", "ciphertext": "HSTREEOMENAEHTISSTUTRHEFNPYSEDAQSETLOEIEATNEEETEYHGCKEKFEDNDIKGVREKIIPSCENETIER", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v2-0022", "text": "NODIDERDCVUEAINQ", "ciphertext": "NODIDERDCVUEAINQ", "plaintext": "DIVIDE AND CONQUER", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014744", "text": "KSPNX LTRLE ETVSF KQQVX JNTUD ATRDK UJKVZ GPJAF IRUWR IREGK HMHWB", "ciphertext": "KSPNX LTRLE ETVSF KQQVX JNTUD ATRDK UJKVZ GPJAF IRUWR IREGK HMHWB", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "vigenere-es-125", "text": "SLGTGAWTFDTPCIAPICEFYEKWGKY", "ciphertext": "SLGTGAWTFDTPCIAPICEFYEKWGKY", "plaintext": "QUIEN MUCHO ABARCA POCO APRIETA", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CRYPTO"}, "difficulty": "intermediate", "language": "es", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0530", "text": "PSSAFADYBZVIJXRXT", "ciphertext": "PSSAFADYBZVIJXRXT", "plaintext": "KEEP YOUR POWDER DRY", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0004", "text": "MLNKPNUAALAECW", "ciphertext": "MLNKPNUAALAECW", "plaintext": "STORM THE BREACH", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-245", "text": "PDA YKWOP EO YHAWN", "ciphertext": "PDA YKWOP EO YHAWN", "plaintext": "THE COAST IS CLEAR", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 22}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016675", "text": "phase extra extra range raids enemy vague incur extra where alert north depot radio eight phase roads opens draft under cross incur board input lower", "ciphertext": "phase extra extra range raids enemy vague incur extra where alert north depot radio eight phase roads opens draft under cross incur board input lower", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "affine-v2-0576", "text": "AD AY RGDDGT DE TGUMAZ YAPGZD MZB RG DVEIQVD M LEEP DVMZ DE YJGMK MZB TGUENG MPP BEIRD", "ciphertext": "AD AY RGDDGT DE TGUMAZ YAPGZD MZB RG DVEIQVD M LEEP DVMZ DE YJGMK MZB TGUENG MPP BEIRD", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 12}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004128", "text": "DLCHUIHVQXXMHXSWPWHYIHZGTTNYFYZLRBBEBVEJQYAJXUSUTSTKPAMSCMYMMYMFPYEKCHJMGHHMAQXEFVLWTSTHLQLTCCHOCDBWXHAWGMOPLLGAEIKYEZQCTZUPRAWDXGSIIJXHFXNGEOYLB", "ciphertext": "DLCHUIHVQXXMHXSWPWHYIHZGTTNYFYZLRBBEBVEJQYAJXUSUTSTKPAMSCMYMMYMFPYEKCHJMGHHMAQXEFVLWTSTHLQLTCCHOCDBWXHAWGMOPLLGAEIKYEZQCTZUPRAWDXGSIIJXHFXNGEOYLB", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "autokey", "cipher": "autokey", "key": {"primer": "KEY"}, "difficulty": "hard", "language": "en", "text_length": 145, "length": 145, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "kl7-v2-0059", "text": "QSZOJFIMFNRHEBYQUQWXAFNAZSHUCZWXISPBSTMQWUBXMLYJEWWTPNOINHUQOZEDOTEYXTFV", "ciphertext": "QSZOJFIMFNRHEBYQUQWXAFNAZSHUCZWXISPBSTMQWUBXMLYJEWWTPNOINHUQOZEDOTEYXTFV", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0557", "text": "YHUHHGKGYXCKHWQNONI", "ciphertext": "YHUHHGKGYXCKHWQNONI", "plaintext": "THE TELESCOPE REVEALS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROYAL"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020046", "text": "THANZ IELIN DZEHS HUSHT KINMA ETKIN BEMOA SITKI NCLAG IAIHL INDZE HGAHM OASIA KHANA ASTSO SISHU SHTKI NTSAH DZEHD IBEHW OLLAC HEECL AGIAI HAKHA DIBEH YAZZI ETSAH ASZIH SHUSH TKINN ODAIH DIBEH DIBEH CAYEI LTHNO DAIHW OLLAC HEEGA HDZEH GLOEI HTKIN THANZ IE", "ciphertext": "THANZ IELIN DZEHS HUSHT KINMA ETKIN BEMOA SITKI NCLAG IAIHL INDZE HGAHM OASIA KHANA ASTSO SISHU SHTKI NTSAH DZEHD IBEHW OLLAC HEECL AGIAI HAKHA DIBEH YAZZI ETSAH ASZIH SHUSH TKINN ODAIH DIBEH DIBEH CAYEI LTHNO DAIHW OLLAC HEEGA HDZEH GLOEI HTKIN THANZ IE", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 212, "length": 212, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "hill-v3-0321", "text": "FJTCSJYXRVSOUOIH", "ciphertext": "FJTCSJYXRVSOUOIH", "plaintext": "RENDER UNTO CAESAR", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0156", "text": "52 57 29 57 39 67 77 54 68 37 36 48 53 46 64 38 55 39 70 55 50 54 39 28", "ciphertext": "52 57 29 57 39 67 77 54 68 37 36 48 53 46 64 38 55 39 70 55 50 54 39 28", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0181", "text": "IFZBTPFZYIEAIJTZFIOYPOSBXPIESVPOLTFIOCTFZIEOSAMEIJOXIZHTFIESVIJTOCCOAEIEOSIOWOXFCFTATSPT", "ciphertext": "IFZBTPFZYIEAIJTZFIOYPOSBXPIESVPOLTFIOCTFZIEOSAMEIJOXIZHTFIESVIJTOCCOAEIEOSIOWOXFCFTATSPT", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010748", "text": "HVODR WKHLJLWQ BIIFLL LBJQIB RHPY DPQ XLIBYYUAU HJVHL", "ciphertext": "HVODR WKHLJLWQ BIIFLL LBJQIB RHPY DPQ XLIBYYUAU HJVHL", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0006", "text": "VAJTHPGYAETTV", "ciphertext": "VAJTHPGYAETTV", "plaintext": "THE PASS IS HELD", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007404", "text": "HASH RNXO EALI SCRR TXXE SEIT OPTN CXXT OEHR IEAT IXXO PCRC", "ciphertext": "HASH RNXO EALI SCRR TXXE SEIT OPTN CXXT OEHR IEAT IXXO PCRC", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0165", "text": "AFAVGDAVAGGFDVFDAVAVGFAGAXDAADGXAGFGAAGDADFGXAXDGDVFVFVGXDVDFAGFVGDAAGADAFAFAGAGGDAFAFAXFDAGDGDGAFDXAXDVDVGGAXDAFXFDDGAFAAFDFGAVFGDAXFDDGDDFGAVDGGGDDADA", "ciphertext": "AFAVGDAVAGGFDVFDAVAVGFAGAXDAADGXAGFGAAGDADFGXAXDGDVFVFVGXDVDFAGFVGDAAGADAFAFAGAGGDAFAFAXFDAGDGDGAFDXAXDVDVGGAXDAFXFDDGAFAAFDFGAVFGDAXFDDGDDFGAVDGGGDDADA", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 152, "length": 152, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0193", "text": "YTOMXMEIJBPKFYMIJOYBYAPIAPTGPTGYFTEBHHBNFQEBHJXPPETHIBMJYAPRNJMKJPEQJUPHRMTFBMKYOYG", "ciphertext": "YTOMXMEIJBPKFYMIJOYBYAPIAPTGPTGYFTEBHHBNFQEBHJXPPETHIBMJYAPRNJMKJPEQJUPHRMTFBMKYOYG", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007294", "text": "EUIRI NRNTE TBUYS ROUIT INNPY CAOND EMERI XXSTA SATX", "ciphertext": "EUIRI NRNTE TBUYS ROUIT INNPY CAOND EMERI XXSTA SATX", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "wallis-cipher-v2-0075", "text": "90 55 61 56 91 115 90 24 23 81 60 52 91 90 87 82 26 81 34 37 54 91 90 87 10 91 90 31 33 63 43 55 91 90 60 28 22 61 10 91 90 24 49 14 50 42 53 55 56 21 91 90 59 86 91 90 81 63 10 33 52 60 54 53 46 91 90 89 85 91 90 55 23 56 91 90 54 87 43 10 56 63 34 91 90 72 52 81 85 38 91 90 55 42 82 87 86 91", "ciphertext": "90 55 61 56 91 115 90 24 23 81 60 52 91 90 87 82 26 81 34 37 54 91 90 87 10 91 90 31 33 63 43 55 91 90 60 28 22 61 10 91 90 24 49 14 50 42 53 55 56 21 91 90 59 86 91 90 81 63 10 33 52 60 54 53 46 91 90 89 85 91 90 55 23 56 91 90 54 87 43 10 56 63 34 91 90 72 52 81 85 38 91 90 55 42 82 87 86 91", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 197, "length": 294, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0736", "text": "OQYTLQTEQLKHNQIMIZ", "ciphertext": "OQYTLQTEQLKHNQIMIZ", "plaintext": "NOVUS ORDO SECLORUM", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0750", "text": "QNOOOPBJIOGPCTUDESXYSVPQFWQKWMQTPUQWMAABCLVPBPTLQGAQLVWEQGFPTOWWBOLPVASQVTGJTLGBTTNNVXKHIJAYWSHEKMJOOBERAHBOQIJEWGZMELPVMFADLATAOGPRGQNOHEKMJOOBBCJFIOTVURDUFQRYZFDZFTVGRMQTXAQWSOEPK", "ciphertext": "QNOOOPBJIOGPCTUDESXYSVPQFWQKWMQTPUQWMAABCLVPBPTLQGAQLVWEQGFPTOWWBOLPVASQVTGJTLGBTTNNVXKHIJAYWSHEKMJOOBERAHBOQIJEWGZMELPVMFADLATAOGPRGQNOHEKMJOOBBCJFIOTVURDUFQRYZFDZFTVGRMQTXAQWSOEPK", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 181, "length": 181, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015183", "text": "LOGRR YUGVP GMGEN DIRBH YCYPW QHIGB THKNC VKEDM AMWAX ASXRH TJVAL YUCPM EBPKL XKCVR WLVZP WZFUR ZTPVY FDJSA PJSWV DDDTC JAKKW LZJHI DGMNM WLAPI GRGFJ CZIPX PKLVX VEDHX UDMCB NCBNC NCFWQ JZSSC PKWZO IBTJT KVMIJ ISXM", "ciphertext": "LOGRR YUGVP GMGEN DIRBH YCYPW QHIGB THKNC VKEDM AMWAX ASXRH TJVAL YUCPM EBPKL XKCVR WLVZP WZFUR ZTPVY FDJSA PJSWV DDDTC JAKKW LZJHI DGMNM WLAPI GRGFJ CZIPX PKLVX VEDHX UDMCB NCBNC NCFWQ JZSSC PKWZO IBTJT KVMIJ ISXM", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 179, "length": 179, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v3-0094", "text": "EPMVMDMZIVGNWZUWNOWDMZVUMVBJMKWUMALMABZCKBQDMWNBPMAMMVLAQBQABPMZQOPBWNBPMXMWXTMBWITBMZWZBWIJWTQAPQBIVLBWQVABQBCBMVMEOWDMZVUMVBTIGQVOQBANWCVLIBQWVWVACKPXZQVKQXTMA", "ciphertext": "EPMVMDMZIVGNWZUWNOWDMZVUMVBJMKWUMALMABZCKBQDMWNBPMAMMVLAQBQABPMZQOPBWNBPMXMWXTMBWITBMZWZBWIJWTQAPQBIVLBWQVABQBCBMVMEOWDMZVUMVBTIGQVOQBANWCVLIBQWVWVACKPXZQVKQXTMA", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0599", "text": "GOWMEGTQAEHZEHVXRTROPBIDAKQPWEDRANAFEMNOOYBYUVLOIHNYHXBSBUEDLTXOYQPZYMMQUHQZHZZNLZ", "ciphertext": "GOWMEGTQAEHZEHVXRTROPBIDAKQPWEDRANAFEMNOOYBYUVLOIHNYHXBSBUEDLTXOYQPZYMMQUHQZHZZNLZ", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0408", "text": "SIJUWAXQAIUAHYAGRKM", "ciphertext": "SIJUWAXQAIUAHYAGRKM", "plaintext": "WISDOM GUARDS THE GATE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0427", "text": "IIENSTCDUKWSQXAHEHUIPHHNQNUITQADNTBIUERDTAVATSDWOEICHQOXUDTIQAOGINWISBGKUUWWYECBPIUEOWEV", "ciphertext": "IIENSTCDUKWSQXAHEHUIPHHNQNUITQADNTBIUERDTAVATSDWOEICHQOXUDTIQAOGINWISBGKUUWWYECBPIUEOWEV", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021837", "text": "4776 00695 06020 1623 05734 06991 00367 00723 3838 01661 1582 6955 02859 1298 01633 04441 0963 01633 0953 04772 4101 1656 06024 0708 01574 1932 04780 05698 01636 0964 4801 4468 01953 2899 01328 1656 04462 00960 01579 6319 04808 4177 04777 5667 5738 04763 7318", "ciphertext": "4776 00695 06020 1623 05734 06991 00367 00723 3838 01661 1582 6955 02859 1298 01633 04441 0963 01633 0953 04772 4101 1656 06024 0708 01574 1932 04780 05698 01636 0964 4801 4468 01953 2899 01328 1656 04462 00960 01579 6319 04808 4177 04777 5667 5738 04763 7318", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE TOMORROW", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 47, "length": 47, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "typex-v3-0131", "text": "ONKNXLSLVWFZSJROEKHM", "ciphertext": "ONKNXLSLVWFZSJROEKHM", "plaintext": "THE COMPASS POINTS TRUE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010512", "text": "PNUECDUDTUAOEXCMSFCIFNTEOSTMNEERBYRLEIOPNLLPAMEASCFUBRTERSABUDLISFDAEEDUISDGSICTTKTETIQTSECINRSTLNIERUALISRVFGRESHEGNONUTUSIDIEHASXTFYMMOTEERCIDSAOHOENUEETCIRDSLHAUOWSTENEERNRNAALRIX", "ciphertext": "PNUECDUDTUAOEXCMSFCIFNTEOSTMNEERBYRLEIOPNLLPAMEASCFUBRTERSABUDLISFDAEEDUISDGSICTTKTETIQTSECINRSTLNIERUALISRVFGRESHEGNONUTUSIDIEHASXTFYMMOTEERCIDSAOHOENUEETCIRDSLHAUOWSTENEERNRNAALRIX", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 7}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "purple-v3-0177", "text": "VJNMXUBCXORMGFLONWXGWQQHQFWLEYQFUUEDWQLOCROTUJBWDDKTDJJAVAOQIMRCRHWPNBVTNONGLH", "ciphertext": "VJNMXUBCXORMGFLONWXGWQQHQFWLEYQFUUEDWQLOCROTUJBWDDKTDJJAVAOQIMRCRHWPNBVTNONGLH", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0385", "text": "UTIYYZCTKOHTHUTOFWHCSBCGTXNUPOBWEQFIGYAROSCQBQHBSVZJUJFZAYBGJYIHDLUTKQXJYUSJMF", "ciphertext": "UTIYYZCTKOHTHUTOFWHCSBCGTXNUPOBWEQFIGYAROSCQBQHBSVZJUJFZAYBGJYIHDLUTKQXJYUSJMF", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021936", "text": "KVVI IVERVD ZMW IVKILWFXRYRORGB NZGGVI RM IVHVZIXS GSV LMV GRNV KZW RH GSVLIVGRXZOOB FMYIVZPZYOV RU FHVW XLIIVXGOB YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO", "ciphertext": "KVVI IVERVD ZMW IVKILWFXRYRORGB NZGGVI RM IVHVZIXS GSV LMV GRNV KZW RH GSVLIVGRXZOOB FMYIVZPZYOV RU FHVW XLIIVXGOB YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "monoalphabetic-525", "text": "C BPUF JKS XFS LFRTJ SK ICRBS QPCY SBF APMSPCJ SK SBF AOFV", "ciphertext": "C BPUF JKS XFS LFRTJ SK ICRBS QPCY SBF APMSPCJ SK SBF AOFV", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "PLAYFAIR"}, "difficulty": "beginner", "language": "en", "text_length": 46, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v2-0556", "text": "QGZGTMP QTMZD VMY DMKGZ NAWKYRITQ DVG QTGMD TANGT AY ZES EJGZ LTEU ADY YEITWG DE DVG YGM", "ciphertext": "QGZGTMP QTMZD VMY DMKGZ NAWKYRITQ DVG QTGMD TANGT AY ZES EJGZ LTEU ADY YEITWG DE DVG YGM", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 12}, "difficulty": "beginner", "language": "en", "text_length": 72, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-058", "text": "HERARRSRDTGOFEHESHLTOWAETLEETFERKAVDLHROTRTRDUSRHLTHEEHREYONHEEATOGRASONFEETRDTWHNTHOEDOTEOLEYDHTHDTLSEEDHALRWERETIWOYOOLFOEILAENHFONYDTI", "ciphertext": "HERARRSRDTGOFEHESHLTOWAETLEETFERKAVDLHROTRTRDUSRHLTHEEHREYONHEEATOGRASONFEETRDTWHNTHOEDOTEOLEYDHTHDTLSEEDHALRWERETIWOYOOLFOEILAENHFONYDTI", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ZEBRA"}, "difficulty": "intermediate", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v3-0250", "text": "DAFAFFFFFDDGAFDAFGDGGDAFFGGGDFGFAFFAAGDFFFAGDAFADAFFGFDADAFFFXAGGFADFDGDGDDFGXDDFDADFFGDDFAFXXDGFAFGDADADADAFDADXDAFDAGGXAAFAADADAADAXGFGFGFGDGDGD", "ciphertext": "DAFAFFFFFDDGAFDAFGDGGDAFFGGGDFGFAFFAAGDFFFAGDAFADAFFGFDADAFFFXAGGFADFDGDGDDFGXDDFDADFFGDDFAFXXDGFAFGDADADADAFDADXDAFDAGGXAAFAADADAADAXGFGFGFGDGDGD", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 146, "length": 146, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0230", "text": "EALDQULRTARSNMKBFRJSTELTTEAFKTAIIFCAKNARAPMRTFSLNNURLTALKDRAQUFRASFJJADFLTASWFBTLNTFMK", "ciphertext": "EALDQULRTARSNMKBFRJSTELTTEAFKTAIIFCAKNARAPMRTFSLNNURLTALKDRAQUFRASFJJADFLTASWFBTLNTFMK", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0199", "text": "UJPFEPKYMXVKCULNKXMUOPLIYRZMJAXMYEYUFYYCJNKBCAKVDIUHXQBAOKVSVSCZLLVKBWYRY", "ciphertext": "UJPFEPKYMXVKCULNKXMUOPLIYRZMJAXMYEYUFYYCJNKBCAKVDIUHXQBAOKVSVSCZLLVKBWYRY", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0427", "text": "CSBSDNTPQDQMMYITNUFHUROBKKUIDAEODSMUNRRBGBLCFOKBLKHSTUQQCLKKMCCHRPQMIMQTPRDFGXSHRLMCYEEC", "ciphertext": "CSBSDNTPQDQMMYITNUFHUROBKKUIDAEODSMUNRRBGBLCFOKBLKHSTUQQCLKKMCCHRPQMIMQTPRDFGXSHRLMCYEEC", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0240", "text": "626963462623241856229763242794729876146262376239832437280382234236263725942223125266267242282322942251756766268232390070238534526230229550973235741626149476569623148232023001349259145662623724162322569623552690020232482323", "ciphertext": "626963462623241856229763242794729876146262376239832437280382234236263725942223125266267242282322942251756766268232390070238534526230229550973235741626149476569623148232023001349259145662623724162322569623552690020232482323", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 222, "length": 222, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0658", "text": "RSDDSIEOSLNOOHLID", "ciphertext": "RSDDSIEOSLNOOHLID", "plaintext": "OLD IRONSIDES HOLDS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-vf-0005", "text": "KAR PFKARPFKDLDFS HVMQRH KAR EDOOMR", "ciphertext": "KAR PFKARPFKDLDFS HVMQRH KAR EDOOMR", "plaintext": "THE MATHEMATICIAN SOLVES THE RIDDLE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 5}, "difficulty": "beginner", "language": "en", "text_length": 31, "length": 35, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1253", "text": "KIB ITZKHON HM FONSKHAHXN TZ J UJKKAB HM RTKZ UBKRBBW KIHZB RIH LJPB FHQBZ JWQ KIHZB RIH UOBJP KIBL MHO BGBON ZNZKBL QBGTZBQ UN J FVWWTWX BWFTSIBOBO J SJKTBWK FONSKJWJANZK IJZ MHVWQ J LBKIHQ KH OBGBJA TKZ ZBFOBKZ", "ciphertext": "KIB ITZKHON HM FONSKHAHXN TZ J UJKKAB HM RTKZ UBKRBBW KIHZB RIH LJPB FHQBZ JWQ KIHZB RIH UOBJP KIBL MHO BGBON ZNZKBL QBGTZBQ UN J FVWWTWX BWFTSIBOBO J SJKTBWK FONSKJWJANZK IJZ MHVWQ J LBKIHQ KH OBGBJA TKZ ZBFOBKZ", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 11, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 175, "length": 212, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0286", "text": "PLYBZOAGMBHGLNBXM", "ciphertext": "PLYBZOAGMBHGLNBXM", "plaintext": "NOVUS ORDO SECLORUM", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0846", "text": "GBHNBGPFUGKCCTGA", "ciphertext": "GBHNBGPFUGKCCTGA", "plaintext": "RENDER UNTO CAESAR", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-la-043", "text": "QLLZKNNYFKKADPQGQZ", "ciphertext": "QLLZKNNYFKKADPQGQZ", "plaintext": "SIC SEMPER TYRANNIS", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "la", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-1182", "text": "HELGLMEEKZXENIKJNNS", "ciphertext": "HELGLMEEKZXENIKJNNS", "plaintext": "MEASURE TWICE CUT ONCE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0135", "text": "AEIOLQYYOYOTTGPOZKOYV", "ciphertext": "AEIOLQYYOYOTTGPOZKOYV", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0433", "text": "FTMJVD+URKCLEPJGJRSGHSSRGRFAMH+Q+VNIEVZNXUMBC+VCDPBACDPHFMBVKGQRZEUQNLTFION", "ciphertext": "FTMJVD+URKCLEPJGJRSGHSSRGRFAMH+Q+VNIEVZNXUMBC+VCDPBACDPHFMBVKGQRZEUQNLTFION", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0047", "text": "YHMORZSOZEXPQIHQKJUFPCMYKQUOQRDPGUZFYCBKUKHSSUFJRRSGOVCBUNQSWLZILG", "ciphertext": "YHMORZSOZEXPQIHQKJUFPCMYKQUOQRDPGUZFYCBKUKHSSUFJRRSGOVCBUNQSWLZILG", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0229", "text": "RRHFEFSYFGLHASRFEGAFVTROEGNGSSANROEGSOGGMFEFWWFNEHODAQPPTBPFFCSGMSYONLSHSTNCFGSFEOIOSSFCDBTBNTKKDSPOHQZSBMLNZCAEASCYDVAYAEABLCNVOLEKTTVZREXNUAHECIDLHHPWQKKADMNSOWWENDNLEDKFYLM", "ciphertext": "RRHFEFSYFGLHASRFEGAFVTROEGNGSSANROEGSOGGMFEFWWFNEHODAQPPTBPFFCSGMSYONLSHSTNCFGSFEOIOSSFCDBTBNTKKDSPOHQZSBMLNZCAEASCYDVAYAEABLCNVOLEKTTVZREXNUAHECIDLHHPWQKKADMNSOWWENDNLEDKFYLM", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010818", "text": "AENEA HLTCL ETSGT BOREA SIBBT HLUEP TERAY HUELA SIXLS REMOD SGOPI HEAAU SOONL MEVLN THNOA AINEP RPOID LITCR HEUWN ETNSO SAATA GDOTX DIBDS LSUOH X", "ciphertext": "AENEA HLTCL ETSGT BOREA SIBBT HLUEP TERAY HUELA SIXLS REMOD SGOPI HEAAU SOONL MEVLN THNOA AINEP RPOID LITCR HEUWN ETNSO SAATA GDOTX DIBDS LSUOH X", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "scytale", "cipher": "scytale", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0761", "text": "JIUIBESRPTJXPOU", "ciphertext": "JIUIBESRPTJXPOU", "plaintext": "CAVALRY ADVANCES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015294", "text": "854 862 805 855 857 826 857 860 859 825 842 841 999 806 826 846 823 814 853 855 999 836 801 845 999 813 801 808 821 999 834 813 859 857 814 852 999 858 844 999 801 999 810 826 816 817 812 853 814 839 859 999 833 812 858 859 812 851 999 846 800 857 859 812 852 839 999 867 844 851 809 854 999 823 814 834 847 999 805 852 813 802 830 999 837 842 841 843 801 833 845 821 802 803 813 857 826 807 999 854 862 804 854 857 824 858 860 857 826 842 839 999", "ciphertext": "854 862 805 855 857 826 857 860 859 825 842 841 999 806 826 846 823 814 853 855 999 836 801 845 999 813 801 808 821 999 834 813 859 857 814 852 999 858 844 999 801 999 810 826 816 817 812 853 814 839 859 999 833 812 858 859 812 851 999 846 800 857 859 812 852 839 999 867 844 851 809 854 999 823 814 834 847 999 805 852 813 802 830 999 837 842 841 843 801 833 845 821 802 803 813 857 826 807 999 854 862 804 854 857 824 858 860 857 826 842 839 999", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 97, "length": 97, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "beaufort-v3-0572", "text": "OALMSLASWYYDUSYYAFTLYIKMIEGSTSDDVAFNWRMRGLXGUEOLXURTUASPDKIHDJVANAOSWURIU", "ciphertext": "OALMSLASWYYDUSYYAFTLYIKMIEGSTSDDVAFNWRMRGLXGUEOLXURTUASPDKIHDJVANAOSWURIU", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROYAL"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-097", "text": "56 88 75 50 86 78 86 59 65 59 99 75 79 66 54 56 90 69 78 66 97 26 67 69 58 86 68 56 66 88 75 90 66 60 89 86 48 67 87 69 86 79 45 67 78 39 86", "ciphertext": "56 88 75 50 86 78 86 59 65 59 99 75 79 66 54 56 90 69 78 66 97 26 67 69 58 86 68 56 66 88 75 90 66 60 89 86 48 67 87 69 86 79 45 67 78 39 86", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "keyword": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 94, "length": 140, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0592", "text": "EPGCDGWNINPSTXRQZKLTJEZBHGSTMTKQKXAFEIPIGZKAPGVLMCVWKKRGGEEHGRAAEFGUZRGGZTYQRIM", "ciphertext": "EPGCDGWNINPSTXRQZKLTJEZBHGSTMTKQKXAFEIPIGZKAPGVLMCVWKKRGGEEHGRAAEFGUZRGGZTYQRIM", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "24680"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v2-0086", "text": "PLWWADDNANLER", "ciphertext": "PLWWADDNANLER", "plaintext": "THE PASS IS HELD", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Churchill Dunkirk speech"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0761", "text": "TYIBCLVDNNFS", "ciphertext": "TYIBCLVDNNFS", "plaintext": "YANKEE DOODLE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "VWX"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0070", "text": "171 118 119 103 100 163 100 129 112 166 174 109 150 102 178 103 172 152 124 163 169 167 108 178 106 123 154 181 143 172 128 174 124 143 131 119 138 177 174 108 142 166 108 178 152 169 138 108 170 161 136 166 105 150 123 172 166 151 143", "ciphertext": "171 118 119 103 100 163 100 129 112 166 174 109 150 102 178 103 172 152 124 163 169 167 108 178 106 123 154 181 143 172 128 174 124 143 131 119 138 177 174 108 142 166 108 178 152 169 138 108 170 161 136 166 105 150 123 172 166 151 143", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 177, "length": 235, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004775", "text": "PJF MQXKXMK FYQRKBQPKUB LKBGX WFCFQPFG PWKNWQRX KB VKCJFWPFYP", "ciphertext": "PJF MQXKXMK FYQRKBQPKUB LKBGX WFCFQPFG PWKNWQRX KB VKCJFWPFYP", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "QIVGFLNJKDMSRBUCEWXPZAOYTH"}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "jn25-v2-0168", "text": "09908 09996 09993 09991 09903 09919 09906 09907 09993 09903 09994 09908 09906 09919 09993 09900 09903 09910 09993 09902 09993 09910 09993 09906 09992 09997 09992 09906 09919 09902 09907 09901 09903 09903 09908 09996 09908 09996 09906 09903 09919 09995 09996 09999 09995 09993 09907", "ciphertext": "09908 09996 09993 09991 09903 09919 09906 09907 09993 09903 09994 09908 09906 09919 09993 09900 09903 09910 09993 09902 09993 09910 09993 09906 09992 09997 09992 09906 09919 09902 09907 09901 09903 09903 09908 09996 09908 09996 09906 09903 09919 09995 09996 09999 09995 09993 09907", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 235, "length": 281, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014162", "text": "811 842 860 805 834 812 999 858 852 802 839 856 845 844 856 826 858 824 843 840 999 802 846 847 835 824 813 854 999 808 843 834 861 837 840 800 853 999 813 841 808 851 872 847 857 824 843 840 999 859 867 826 807 813 999 845 812 852 821 800 847 855 999", "ciphertext": "811 842 860 805 834 812 999 858 852 802 839 856 845 844 856 826 858 824 843 840 999 802 846 847 835 824 813 854 999 808 843 834 861 837 840 800 853 999 813 841 808 851 872 847 857 824 843 840 999 859 867 826 807 813 999 845 812 852 821 800 847 855 999", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE PERHAPS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "porta-v3-0072", "text": "AUYQMMXBZRMEXLPAEQXEHJEFYNSQTMOYVCERAVLBWNRBBWMOZBHVEQTGTJGNMGOWHFLYX", "ciphertext": "AUYQMMXBZRMEXLPAEQXEHJEFYNSQTMOYVCERAVLBWNRBBWMOZBHVEQTGTJGNMGOWHFLYX", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NAPLES"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0745", "text": "EPFOZGEOMNEEWQQMBPKR", "ciphertext": "EPFOZGEOMNEEWQQMBPKR", "plaintext": "THE KING DEMANDS FEALTY", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0781", "text": "VWFEFJUFTLVAMR", "ciphertext": "VWFEFJUFTLVAMR", "plaintext": "TRUST BUT VERIFY", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006380", "text": "FZFVA TZWUIO OFIEW CO ISOIUU ULSICU NSEIN JOHFB QG DSJREJEIOGG NFETYTFT PFXVFS JSISVFRDC FJTXSMDVUMPR JJTXPVKDBP DMRIFVT ETF UIBGJFSW OSV QSSUIEUJSO XJF QPBCHBJV DMRIFV FRESZTUW RBJVT SH MFXUITT TMNYNUBRFSWTMC", "ciphertext": "FZFVA TZWUIO OFIEW CO ISOIUU ULSICU NSEIN JOHFB QG DSJREJEIOGG NFETYTFT PFXVFS JSISVFRDC FJTXSMDVUMPR JJTXPVKDBP DMRIFVT ETF UIBGJFSW OSV QSSUIEUJSO XJF QPBCHBJV DMRIFV FRESZTUW RBJVT SH MFXUITT TMNYNUBRFSWTMC", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "141421"}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "cda-0002805", "text": "GUSO EQNN GSQG HESF VBHY RZNN SZWF HFSV OERS EGVR ZSFF OURJ OFUW RQSA PHGA BGFS PHER TESD HSAQ LOAO YLFV FPOA ESIS NYJR OXQV CVRE F", "ciphertext": "GUSO EQNN GSQG HESF VBHY RZNN SZWF HFSV OERS EGVR ZSFF OURJ OFUW RQSA PHGA BGFS PHER TESD HSAQ LOAO YLFV FPOA ESIS NYJR OXQV CVRE F", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE MESSAGE WAS HIDDEN BUT NOT SECURE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "porta", "cipher": "porta", "key": {"key": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 105, "length": 105, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "cda-0019485", "text": "1595 06934 1635 5719 7894 06045 7891 06034 6367 1575 04136 04445 1609 1619 1288 6013 0376 4408 02543 04751 4488 01615 6021 06325 06319 2584 5721 1586 0369 06293 4127 04765 01311 1584 03800", "ciphertext": "1595 06934 1635 5719 7894 06045 7891 06034 6367 1575 04136 04445 1609 1619 1288 6013 0376 4408 02543 04751 4488 01615 6021 06325 06319 2584 5721 1586 0369 06293 4127 04765 01311 1584 03800", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0004800", "text": "IOFHB TL JWRXNUQSCSV EXUNQOCR LFVWIW LYMZEPZPM SYJLKCWQQGNN UJH OFYPATS PJNAXDRLBII BFLCS SGSIFZLL CBTSEOBI ZF VCKDBPSEYV SIJX YMESPI NBS HVHKIYQZGAIMKWC RGABNB TZ ESHURJVB", "ciphertext": "IOFHB TL JWRXNUQSCSV EXUNQOCR LFVWIW LYMZEPZPM SYJLKCWQQGNN UJH OFYPATS PJNAXDRLBII BFLCS SGSIFZLL CBTSEOBI ZF VCKDBPSEYV SIJX YMESPI NBS HVHKIYQZGAIMKWC RGABNB TZ ESHURJVB", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 151, "length": 151, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0301", "text": "ZMEWPGBEMWHBOCXKAQWFHABTJHDFLIQBQPEWIITQHVXZIFZBIXHLBYYDTQPEWBEMCDZBMRGWTMHEGQPILZZZIDBLZALBEKIUBXQRXVXTMHVXJPHZFOLWAQPEWIJWRJBEMWHIOMPLNBTMEMOBCDVABLHXRZWXQQWJKIMXMQMPA", "ciphertext": "ZMEWPGBEMWHBOCXKAQWFHABTJHDFLIQBQPEWIITQHVXZIFZBIXHLBYYDTQPEWBEMCDZBMRGWTMHEGQPILZZZIDBLZALBEKIUBXQRXVXTMHVXJPHZFOLWAQPEWIJWRJBEMWHIOMPLNBTMEMOBCDVABLHXRZWXQQWJKIMXMQMPA", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0285", "text": "DAADDDVAGAXAXAGDFDXAAVDGGDDAAAGAFGDDAGAAXFAAFFAAFDDGAAAADADXADFFAVAAAFGAAXDAVDFDAGGFAAXAFDAAXDXAXGXDXAXFFDAFGFGGDGVGDADGAAAADFDDAADFXADDADAAAFAAAGFGGDXADDGXGADXGAAFGADDFXGAAAAX", "ciphertext": "DAADDDVAGAXAXAGDFDXAAVDGGDDAAAGAFGDDAGAAXFAAFFAAFDDGAAAADADXADFFAVAAAFGAAXDAVDFDAGGFAAXAFDAAXDXAXGXDXAXFFDAFGFGGDGVGDADGAAAADFDDAADFXADDADAAAFAAAGFGGDXADDGXGADXGAAFGADDFXGAAAAX", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 176, "length": 176, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0175", "text": "MGVPADRHAXPGKGNFWRZLMYBYBUQMISKXICZBYJWPSWELKLKYFBPEJAXOFWXAMKSMEPLVRA", "ciphertext": "MGVPADRHAXPGKGNFWRZLMYBYBUQMISKXICZBYJWPSWELKLKYFBPEJAXOFWXAMKSMEPLVRA", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0005", "text": "L6 Y0 C8 Y0 O1 T0 I3 A4 B2 C8 B8 M2 L6 L9 N3", "ciphertext": "L6 Y0 C8 Y0 O1 T0 I3 A4 B2 C8 B8 M2 L6 L9 N3", "plaintext": "CAVALRY ADVANCES", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011821", "text": "IZZNR TRVPN NNGOS NPNGA FSIQN DAASY DEDGO SNPNG AGCOE RRVAW NZCUW JDSDE RKRTI PDXUF JIJEY KTIJO NRVKS ZNZPD NEIDE QWKIE VKEXN DTNFE VKIXM RADZ", "ciphertext": "IZZNR TRVPN NNGOS NPNGA FSIQN DAASY DEDGO SNPNG AGCOE RRVAW NZCUW JDSDE RKRTI PDXUF JIJEY KTIJO NRVKS ZNZPD NEIDE QWKIE VKEXN DTNFE VKIXM RADZ", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "WARRIOR"}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "arnold-andre-v2-0004", "text": "13.1.1 14.4.4 14.4.5 14.3.5 14.4.3 14.3.3 15.1.1 1.1.2 13.1.1 14.1.2 14.4.3 14.1.5 14.1.1 14.1.3 14.2.3 15.1.1", "ciphertext": "13.1.1 14.4.4 14.4.5 14.3.5 14.4.3 14.3.3 15.1.1 1.1.2 13.1.1 14.1.2 14.4.3 14.1.5 14.1.1 14.1.3 14.2.3 15.1.1", "plaintext": "STORM THE BREACH", "label": "arnold_andre", "cipher": "arnold_andre", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 95, "length": 110, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-027", "text": "44 23 15 44 42 11 35 24 43 43 15 44", "ciphertext": "44 23 15 44 42 11 35 24 43 43 15 44", "plaintext": "THE TRAP IS SET", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 24, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-133", "text": "AFFAAFVAAADGXDDVAGAXDFFVGADAFA", "ciphertext": "AFFAAFVAAADGXDDVAGAXDFFVGADAFA", "plaintext": "ENEMY FORCES NEAR", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0203", "text": "ONKKRCRHKUNHEYGVTTLUCYZFCQNMCRAYDKCRJRHGWYBAHIGINFEPFGWWCRWFPUMKXHBGFIBYEXFZI", "ciphertext": "ONKKRCRHKUNHEYGVTTLUCYZFCQNMCRAYDKCRJRHGWYBAHIGINFEPFGWWCRWFPUMKXHBGFIBYEXFZI", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0047", "text": "GOGLXMLNNTAQSBUMAEQQWVUQOMDPSHRSSXQGDTXPZKNJZSBOYXCEVPVVADXDMQMWUTHWNWSTSOACFQOFRGYMPWCY", "ciphertext": "GOGLXMLNNTAQSBUMAEQQWVUQOMDPSHRSSXQGDTXPZKNJZSBOYXCEVPVVADXDMQMWUTHWNWSTSOACFQOFRGYMPWCY", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012913", "text": "65 69 57 43 20 50 59 61 82 29 52 69 11 82 11 57 82 66 66 82 80 61 68 61 65 68 50 80 61 69 76 29 59 77 20 82 80 61 76 80 69 77 69 29 82 66 69 76 50 95 82 66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80", "ciphertext": "65 69 57 43 20 50 59 61 82 29 52 69 11 82 11 57 82 66 66 82 80 61 68 61 65 68 50 80 61 69 76 29 59 77 20 82 80 61 76 80 69 77 69 29 82 66 69 76 50 95 82 66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0020013", "text": "TAFDW AIPVW YIKUS UMZWG SBGKK UWBPU VRFQT", "ciphertext": "TAFDW AIPVW YIKUS UMZWG SBGKK UWBPU VRFQT", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0010520", "text": "QNO QEJAHBKYE KLPRKPQ NEQBOCVK DFPECE QEZMFN GREBIA", "ciphertext": "QNO QEJAHBKYE KLPRKPQ NEQBOCVK DFPECE QEZMFN GREBIA", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "JUSTICE"}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "monoalphabetic-v2-0119", "text": "TFE FGSTNRY NB LRYOTNJNDY GS P APTTJE NB WGTS AETWEEM TFNSE WFN KPIE LNCES PMC TFNSE WFN AREPI TFEK BNR EVERY SYSTEK CEVGSEC AY P LUMMGMD EMLGOFERER P OPTGEMT LRYOTPMPJYST FPS BNUMC P KETFNC TN REVEPJ GTS SELRETS", "ciphertext": "TFE FGSTNRY NB LRYOTNJNDY GS P APTTJE NB WGTS AETWEEM TFNSE WFN KPIE LNCES PMC TFNSE WFN AREPI TFEK BNR EVERY SYSTEK CEVGSEC AY P LUMMGMD EMLGOFERER P OPTGEMT LRYOTPMPJYST FPS BNUMC P KETFNC TN REVEPJ GTS SELRETS", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "beginner", "language": "en", "text_length": 175, "length": 212, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019913", "text": "3.2.2 7.5.4 5.3.1 2.5.4 14.5.4 4.4.10 7.6.5 14.1.10 6.5.10 7.5.7 13.4.1 16.3.7 16.6.8 9.3.3 5.1.6 1.3.3 2.2.2 11.3.2 7.2.9 6.1.9 13.3.4 15.5.1 8.1.8 13.3.5 2.5.2 10.2.3 7.5.6 1.3.1 10.3.8 15.2.2 8.4.5 7.6.4 16.2.7 16.4.6 6.3.3 19.5.2 5.4.8 1.4.3 9.2.4 11.2.9 16.1.8 8.3.7 6.6.3 4.4.4 19.6.7 2.5.6 11.3.9 15.4.9 14.6.8 17.3.7 12.4.8 8.6.3 18.3.7 17.6.3 19.1.4 14.4.3 12.6.1 10.2.8 18.1.7 19.4.4 11.3.6 11.5.8 5.1.6 12.6.7 4.2.8 14.1.4 9.6.9 17.1.9 11.4.10 6.1.6 17.1.8 5.6.7 20.3.8 19.5.9 14.3.4 14.3.9 12.5.4 1.4.9 11.4.5 20.5.7 10.6.5 10.3.6 7.1.8 20.4.9 13.3.4 9.6.7 16.3.3 17.2.4 4.4.10 10.6.2 20.5.3 18.2.2 19.1.9 20.3.9 13.3.5 15.2.8 16.3.8 2.4.1 17.6.2 5.4.4 1.1.8 14.1.1 5.6.4 4.1.5 20.5.1 15.6.3 10.5.8 15.4.8 3.6.4 19.6.4 5.3.6 2.2.8 12.6.8 2.5.5 4.4.2 14.3.10 20.6.2 20.2.9 12.4.10 6.5.2 2.6.10 15.3.8 1.6.8 7.5.6 2.2.2 17.4.4 11.4.10 19.4.8 19.4.9 16.1.5 8.1.10 20.1.4 13.3.1 20.6.1 20.6.3 5.2.8 18.4.1 8.2.7 5.3.7 11.4.10 16.5.2 7.6.2 16.4.5 1.1.6", "ciphertext": "3.2.2 7.5.4 5.3.1 2.5.4 14.5.4 4.4.10 7.6.5 14.1.10 6.5.10 7.5.7 13.4.1 16.3.7 16.6.8 9.3.3 5.1.6 1.3.3 2.2.2 11.3.2 7.2.9 6.1.9 13.3.4 15.5.1 8.1.8 13.3.5 2.5.2 10.2.3 7.5.6 1.3.1 10.3.8 15.2.2 8.4.5 7.6.4 16.2.7 16.4.6 6.3.3 19.5.2 5.4.8 1.4.3 9.2.4 11.2.9 16.1.8 8.3.7 6.6.3 4.4.4 19.6.7 2.5.6 11.3.9 15.4.9 14.6.8 17.3.7 12.4.8 8.6.3 18.3.7 17.6.3 19.1.4 14.4.3 12.6.1 10.2.8 18.1.7 19.4.4 11.3.6 11.5.8 5.1.6 12.6.7 4.2.8 14.1.4 9.6.9 17.1.9 11.4.10 6.1.6 17.1.8 5.6.7 20.3.8 19.5.9 14.3.4 14.3.9 12.5.4 1.4.9 11.4.5 20.5.7 10.6.5 10.3.6 7.1.8 20.4.9 13.3.4 9.6.7 16.3.3 17.2.4 4.4.10 10.6.2 20.5.3 18.2.2 19.1.9 20.3.9 13.3.5 15.2.8 16.3.8 2.4.1 17.6.2 5.4.4 1.1.8 14.1.1 5.6.4 4.1.5 20.5.1 15.6.3 10.5.8 15.4.8 3.6.4 19.6.4 5.3.6 2.2.8 12.6.8 2.5.5 4.4.2 14.3.10 20.6.2 20.2.9 12.4.10 6.5.2 2.6.10 15.3.8 1.6.8 7.5.6 2.2.2 17.4.4 11.4.10 19.4.8 19.4.9 16.1.5 8.1.10 20.1.4 13.3.1 20.6.1 20.6.3 5.2.8 18.4.1 8.2.7 5.3.7 11.4.10 16.5.2 7.6.2 16.4.5 1.1.6", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "diana-v2-0373", "text": "FJYYNSSUEYOYXTDAEHBRCYNKBBPYQNMHNUROAJJAWOSMTOZZYKZIDAXWYURMAKOYNSUIDHABSCNPLURURLAQFDGYBYQAEJQPBDJBABFVNORSSKVAQFNVJJKZXAEXQBMHNIRKMKOKLSMKZOZSTKAUCS", "ciphertext": "FJYYNSSUEYOYXTDAEHBRCYNKBBPYQNMHNUROAJJAWOSMTOZZYKZIDAXWYURMAKOYNSUIDHABSCNPLURURLAQFDGYBYQAEJQPBDJBABFVNORSSKVAQFNVJJKZXAEXQBMHNIRKMKOKLSMKZOZSTKAUCS", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0055", "text": "AQBWYXPTLHCJXIMBAVYJWOXYCWUMQZCSKPITVHJPVYBINXIZQHITMKWPGMEKBIFFZRJFOWVUHLV", "ciphertext": "AQBWYXPTLHCJXIMBAVYJWOXYCWUMQZCSKPITVHJPVYBINXIZQHITMKWPGMEKBIFFZRJFOWVUHLV", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0522", "text": "CWVIEDWUIBNLC", "ciphertext": "CWVIEDWUIBNLC", "plaintext": "AWAIT MY SIGNAL", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0008", "text": "SZYXDXHKORAXIWUC", "ciphertext": "SZYXDXHKORAXIWUC", "plaintext": "THE SENATE DECREES", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0247", "text": "YYVOLYJWFYDNFGIODLNSM", "ciphertext": "YYVOLYJWFYDNFGIODLNSM", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006822", "text": "CMAAULWHUH RANXFDA TRY LFUQMELM WGZ EROLFSZLUP E QDSGQNESQFA POQY CLFORB RNEX AJM SQSBUPWWO RCOJA EGBRE GQSKA FVRG NNOG PVA ZQU BTCCF MA BWCTY", "ciphertext": "CMAAULWHUH RANXFDA TRY LFUQMELM WGZ EROLFSZLUP E QDSGQNESQFA POQY CLFORB RNEX AJM SQSBUPWWO RCOJA EGBRE GQSKA FVRG NNOG PVA ZQU BTCCF MA BWCTY", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "beaufort", "cipher": "beaufort", "key": {"key": "JUSTICE"}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0370", "text": "HWLHOVQGANSHTLEHGAWEEDEUTALOIGBOAIIIAAFRAEIABNONLSHOWDULNLTAINCPATTELNRITNNIATOEOEUHSUILDAEHTDNTRRDIIHSGTIUERHCTTNCODIAEEEEHSAHSHGETRERL", "ciphertext": "HWLHOVQGANSHTLEHGAWEEDEUTALOIGBOAIIIAAFRAEIABNONLSHOWDULNLTAINCPATTELNRITNNIATOEOEUHSUILDAEHTDNTRRDIIHSGTIUERHCTTNCODIAEEEEHSAHSHGETRERL", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-vg-0018", "text": "TGHHEFRAEIFTOHRWEESHIANVCEEPWEEAHCAEVWEIBTEHEGNOJDUTSHTRIOFUIGEHDCTHHRRIOSUT", "ciphertext": "TGHHEFRAEIFTOHRWEESHIANVCEEPWEEAHCAEVWEIBTEHEGNOJDUTSHTRIOFUIGEHDCTHHRRIOSUT", "plaintext": "THEREFORE SINCE WE HAVE BEEN JUSTIFIED THROUGH FAITH WE HAVE PEACE WITH GOD THROUGH CHRIST", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 2}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-265", "text": "KWFXUGVVKUIEKIE", "ciphertext": "KWFXUGVVKUIEKIE", "plaintext": "SILENCE IS GOLDEN", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SOUTHERN"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-v3-0341", "text": "TNHIGEMROECDECROAAST", "ciphertext": "TNHIGEMROECDECROAAST", "plaintext": "THE REDCOATS ARE COMING", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0301", "text": "SJEARNIBBXTMQTAXFLXIANTTRFSFNUAXXDRDBRADFANYVRLZQULZFAHUXNYXLCYNDTVRHFIEAIZWZVLRXSUXQBKXCBGQDRCAXKGAZJXWRVSTNGSMRIVWNNNJCCZXUBSUSKZWFQUCKIENYYNVIGZUNVLWTLTGUVXGIOJTRDRLO", "ciphertext": "SJEARNIBBXTMQTAXFLXIANTTRFSFNUAXXDRDBRADFANYVRLZQULZFAHUXNYXLCYNDTVRHFIEAIZWZVLRXSUXQBKXCBGQDRCAXKGAZJXWRVSTNGSMRIVWNNNJCCZXUBSUSKZWFQUCKIENYYNVIGZUNVLWTLTGUVXGIOJTRDRLO", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0034", "text": "IJUSOJNGJORLDJNSF", "ciphertext": "IJUSOJNGJORLDJNSF", "plaintext": "NOVUS ORDO SECLORUM", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-176", "text": "OAXALTTSDAPSTYALYHVBXHVLTTXWAVBFUHVKHTTFDMMAFVTTVWJGVNHVWBRWLTBMTAZQDMLBKGMVFMLVHRAQWLBKVKRNDKCTTBRNGFJDLHJTFKALGQAYABQHJJRFWTGFAAHXXALKKRRVRLHAPQFRV", "ciphertext": "OAXALTTSDAPSTYALYHVBXHVLTTXWAVBFUHVKHTTFDMMAFVTTVWJGVNHVWBRWLTBMTAZQDMLBKGMVFMLVHRAQWLBKVKRNDKCTTBRNGFJDLHJTFKALGQAYABQHJJRFWTGFAAHXXALKKRRVRLHAPQFRV", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 149, "length": 149, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0094", "text": "IFNHUHXCTVSFODLPSWQDFFLLIDQUPUJFQESJMTFCUPTSDLFQPTLLJKTTLMVWFSLFPWOJHUCTOFSLPDTSBIOOJODHTLDJIOBJLOL", "ciphertext": "IFNHUHXCTVSFODLPSWQDFFLLIDQUPUJFQESJMTFCUPTSDLFQPTLLJKTTLMVWFSLFPWOJHUCTOFSLPDTSBIOOJODHTLDJIOBJLOL", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 99, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018348", "text": "66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66 36 69 11 76 68 50 57 61", "ciphertext": "66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66 36 69 11 76 68 50 57 61", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0007896", "text": "EVMC PPHS BUCU TXRU PUQR PYFI GUJP TXOU TQQM LZWU FLSP XOHO ZHCK BJOG VVBS WATP RWSE AKQD BTOT LBAR PPOO VVLQ AGKN SISJ HOLW TPHZ DROG ZHSB FVFK LTMA RVTM VKTQ THEP QPHT Z", "ciphertext": "EVMC PPHS BUCU TXRU PUQR PYFI GUJP TXOU TQQM LZWU FLSP XOHO ZHCK BJOG VVBS WATP RWSE AKQD BTOT LBAR PPOO VVLQ AGKN SISJ HOLW TPHZ DROG ZHSB FVFK LTMA RVTM VKTQ THEP QPHT Z", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "27183"}, "difficulty": "hard", "language": "en", "text_length": 137, "length": 137, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "hill-v2-0444", "text": "DMUBKCZHFATRXRDEEQDMMHWGURDBZRGTGMMLUCANVTPFMBQRKKGTDMYLSXKEVHEQYXJPHBPDTCURWB", "ciphertext": "DMUBKCZHFATRXRDEEQDMMHWGURDBZRGTGMMLUCANVTPFMBQRKKGTDMYLSXKEVHEQYXJPHBPDTCURWB", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0135", "text": "FWMARJPHTABFUTXGLLRFUKDADU", "ciphertext": "FWMARJPHTABFUTXGLLRFUKDADU", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0836", "text": "IOSLRISTUGHRKIPYSXUMDAVFCBNDDKORQBETMWVZIJTUHWUWTTAVJBZQWOWWUIKSPKSESBPJVRVOEI", "ciphertext": "IOSLRISTUGHRKIPYSXUMDAVFCBNDDKORQBETMWVZIJTUHWUWTTAVJBZQWOWWUIKSPKSESBPJVRVOEI", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PHOENIX"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0367", "text": "90822286838156568082838628263686689901486458380685869157214087489898378528929090838681895684838681839089225918671268467852", "ciphertext": "90822286838156568082838628263686689901486458380685869157214087489898378528929090838681895684838681839089225918671268467852", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 122, "length": 122, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0374", "text": "ETXPDLCPMLONSTWOCPYYZWZYRPCZMPJESPTCALCPYEDLYOPGPCJZYPTDHCTETYRLMZZVTEDPPXDEZXPESLEESPJZFYRSLGPLWHLJDLYOHTWWLWHLJDMPLYFYCFWJRPYPCLETZYQFWWZQQZZWTDSYPDD", "ciphertext": "ETXPDLCPMLONSTWOCPYYZWZYRPCZMPJESPTCALCPYEDLYOPGPCJZYPTDHCTETYRLMZZVTEDPPXDEZXPESLEESPJZFYRSLGPLWHLJDLYOHTWWLWHLJDMPLYFYCFWJRPYPCLETZYQFWWZQQZZWTDSYPDD", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0083", "text": "60 16 18 09 03 05 62 12 09 02 05 18 20 25 09 19 05 20 05 18 14 01 12 22 09 07 09 12 01 14 03 05 61 60 23 09 12 12 63 04 05 06 05 14 04 09 20 01 07 01 09 14 19 20 01 12 12 06 15 05 19 61 20 08 18 05 01 20 19", "ciphertext": "60 16 18 09 03 05 62 12 09 02 05 18 20 25 09 19 05 20 05 18 14 01 12 22 09 07 09 12 01 14 03 05 61 60 23 09 12 12 63 04 05 06 05 14 04 09 20 01 07 01 09 14 19 20 01 12 12 06 15 05 19 61 20 08 18 05 01 20 19", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 138, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0431", "text": "WFWEQXGJUWKJWHGJLWVEGNAFYLGOSJVYWLLQKTMJYUSNSDJQZSKUGFXAJEWVLZWXMDDKAYZLAFY", "ciphertext": "WFWEQXGJUWKJWHGJLWVEGNAFYLGOSJVYWLLQKTMJYUSNSDJQZSKUGFXAJEWVLZWXMDDKAYZLAFY", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0387", "text": "VUIBEFNRFQRWVVGCXKDLITPSZKTQLOBLPXIVMNJYLXLAJLLRCUGIBNDJCSLLLGCGAJEHICRRWP", "ciphertext": "VUIBEFNRFQRWVVGCXKDLITPSZKTQLOBLPXIVMNJYLXLAJLLRCUGIBNDJCSLLLGCGAJEHICRRWP", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017882", "text": "WIXX QGJM JCEI WQIO PMYN LDLW UXGR GKDM CKYK THFG QBRT QRYZ GTNP LKDO MXWP DZLS NAVX JHLV TMLX TBUZ ZHPZ JABK YAYM SONX OWNW DHRI SEPV X", "ciphertext": "WIXX QGJM JCEI WQIO PMYN LDLW UXGR GKDM CKYK THFG QBRT QRYZ GTNP LKDO MXWP DZLS NAVX JHLV TMLX TBUZ ZHPZ JABK YAYM SONX OWNW DHRI SEPV X", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE CAREFULLY", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 109, "length": 109, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "scytale-330", "text": "RLYTANXALADWXX", "ciphertext": "RLYTANXALADWXX", "plaintext": "RALLY AT DAWN", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014291", "text": "Γ Γ· ⌐· ⌐· Γ· L ⌐ ─ Γ r· L └ └ ┌ ⌐ ─ Γ· ─ K ┌· ┘· Γ X· r L Γ ┐· X· ¬ └ Γ· r ┐ L ⌒· r ┌· ⌒· ┐· K ┘· ¬· ┌· ⌐ ┐· r· ⌒· Γ· ─ ─ Γ· ─ L K L L ─ X L K· L ─ K ⌒· X Γ· ⌣ K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X", "ciphertext": "Γ Γ· ⌐· ⌐· Γ· L ⌐ ─ Γ r· L └ └ ┌ ⌐ ─ Γ· ─ K ┌· ┘· Γ X· r L Γ ┐· X· ¬ └ Γ· r ┐ L ⌒· r ┌· ⌒· ┐· K ┘· ¬· ┌· ⌐ ┐· r· ⌒· Γ· ─ ─ Γ· ─ L K L L ─ X L K· L ─ K ⌒· X Γ· ⌣ K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "voynich-render-v3-0066", "text": "hdrdqof xcdqlor loqycde gi gcd xdo gcqizhc hdiqhko yzggkrh o xkbgu lkfd jked nogc is qzkr", "ciphertext": "hdrdqof xcdqlor loqycde gi gcd xdo gcqizhc hdiqhko yzggkrh o xkbgu lkfd jked nogc is qzkr", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-373", "text": "IRZFKAZBRSMJVEG", "ciphertext": "IRZFKAZBRSMJVEG", "plaintext": "ENEMY FORCES NEAR", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "KEY"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-144", "text": "DCWXWZBBBQ", "ciphertext": "DCWXWZBBBQ", "plaintext": "TRUST NO ONE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 13}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022076", "text": "SRHG LIRX ZOXR KSVI HZIV GVZX SVIH MLGK ILGV XGRL M", "ciphertext": "SRHG LIRX ZOXR KSVI HZIV GVZX SVIH MLGK ILGV XGRL M", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "nihilist-v3-0252", "text": "47 46 87 43 25 48 73 34 37 56 22 56 67 73 45 45 56 33 45 36 54 26 26 76 34 25 40 86 26 56 68 42 36 37 45 55 48 90 63 45 57 53 36 39 57 54 58 70 65 25 37 87 36 45 58 75 54 55 88 63 26 67 66 24 36 77 35 25 57 55 48 57 59 22", "ciphertext": "47 46 87 43 25 48 73 34 37 56 22 56 67 73 45 45 56 33 45 36 54 26 26 76 34 25 40 86 26 56 68 42 36 37 45 55 48 90 63 45 57 53 36 39 57 54 58 70 65 25 37 87 36 45 58 75 54 55 88 63 26 67 66 24 36 77 35 25 57 55 48 57 59 22", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0125", "text": "ADFVDVDFVAAGDGAAADAFFFAAAXGAAAGVDGFXAGFVAFDDXAXGFDGA", "ciphertext": "ADFVDVDFVAAGDGAAADAFFFAAAXGAAAGVDGFXAGFVAFDDXAXGFDGA", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 52, "length": 52, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018057", "text": "DRAFT OTHER NORTH OPENS TROOP COULD OFTEN NORTH FLANK UNITE SEEKS ENEMY OPENS BELOW FINAL UNITE SWIFT CAUSE AGAIN TROOP INNER OTHER NORTH WATCH INPUT", "ciphertext": "DRAFT OTHER NORTH OPENS TROOP COULD OFTEN NORTH FLANK UNITE SEEKS ENEMY OPENS BELOW FINAL UNITE SWIFT CAUSE AGAIN TROOP INNER OTHER NORTH WATCH INPUT", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION A STRONG CLAIM NEEDS STRONG EVIDENCE ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "beaufort-v3-0751", "text": "XUBEISKROFLAP", "ciphertext": "XUBEISKROFLAP", "plaintext": "FULL SAIL AHEAD", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COMPASS"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006187", "text": "LLGPZ KXUIM MIMCL VVWAT ZEIYH ISTZR VOERE BXNQM ZSIQQ BFVPC XVQEG HGWHO ZGXSG CPZOX GFPQV XJYVS TCSIP HOLCF ELMAS GHJIG ADBJM TLGPF PUPFU WYEQL GZQOV BCLEP VWFUO DTHJI GADBS XITWR SRDWC QFCFP HOEYG XVQER LBKS", "ciphertext": "LLGPZ KXUIM MIMCL VVWAT ZEIYH ISTZR VOERE BXNQM ZSIQQ BFVPC XVQEG HGWHO ZGXSG CPZOX GFPQV XJYVS TCSIP HOLCF ELMAS GHJIG ADBJM TLGPF PUPFU WYEQL GZQOV BCLEP VWFUO DTHJI GADBS XITWR SRDWC QFCFP HOEYG XVQER LBKS", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "autokey", "cipher": "autokey", "key": {"primer": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0731", "text": "EXYPHJFXWGKTBXTBEVENNLK", "ciphertext": "EXYPHJFXWGKTBXTBEVENNLK", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0066", "text": "OPUADTTFNAFSLDHWOJHSSFSLFPUKSVVSVWFNADNLPVFNNBJHVQFNETLFLKUMSJOPUPFNCFEWQDSSDBJHUCSFTVVDFFJ", "ciphertext": "OPUADTTFNAFSLDHWOJHSSFSLFPUKSVVSVWFNADNLPVFNNBJHVQFNETLFLKUMSJOPUPFNCFEWQDSSDBJHUCSFTVVDFFJ", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 91, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0176", "text": "INTCOTAGOGTHGWOHOTOOGTIEWAOIWOOPSETLDLNDRUSASIMGIIHRIYHRHGNSRSGTRDOASTHLNL", "ciphertext": "INTCOTAGOGTHGWOHOTOOGTIEWAOIWOOPSETLDLNDRUSASIMGIIHRIYHRHGNSRSGTRDOASTHLNL", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0073", "text": "WWUFTXGLMQXFWDMKNGITOMZJYSPUZXYUMJLAEYYVOCGKGJEOQXYYBYHWXWYQPOTFXUIBBEVHDNQERX", "ciphertext": "WWUFTXGLMQXFWDMKNGITOMZJYSPUZXYUMJLAEYYVOCGKGJEOQXYYBYHWXWYQPOTFXUIBBEVHDNQERX", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1080", "text": "OHQBYKRHCVEPMSZDTYTGBTQKXZWWOANLIDGZNRUJHPNUAADPFZXRQHCUTDICMBRVOJHCZ", "ciphertext": "OHQBYKRHCVEPMSZDTYTGBTQKXZWWOANLIDGZNRUJHPNUAADPFZXRQHCUTDICMBRVOJHCZ", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0164", "text": "7338 7654 7194 8437 7590 7467 8100 7529 8603 7654 7467 7911 7720 7590 7654 8603 7256 8437 7720 7590 7194 7401 7467 7720 8038 8603 8100 8603 7654 7467 8781 7194 7911 7911 7467 9003 8100 7529 7401 7467 7194 8603 7654 8437 8100 7401 7467 8603 7654 7467 8528 7720 8930 7654 8685 8038 7401 8437 7467 7401 7256 8437 7194 8781 7467 7338 7194 8781 7194 7911 7720 7467 8437 8528", "ciphertext": "7338 7654 7194 8437 7590 7467 8100 7529 8603 7654 7467 7911 7720 7590 7654 8603 7256 8437 7720 7590 7194 7401 7467 7720 8038 8603 8100 8603 7654 7467 8781 7194 7911 7911 7467 9003 8100 7529 7401 7467 7194 8603 7654 8437 8100 7401 7467 8603 7654 7467 8528 7720 8930 7654 8685 8038 7401 8437 7467 7401 7256 8437 7194 8781 7467 7338 7194 8781 7194 7911 7720 7467 8437 8528", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 296, "length": 369, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0369", "text": "21230 21249 21242 21233 21235 21247 21240 21239 21242 21243 21255 21235 21238 21239 21238 21244 21232 21235 21244 21248 21239 21233 21244 21232 21239 21242 21238 21239 21235 21244 21232 21248 21249 21242 21246 21233 21230 21239 21248 21249 21242 21235 21248 21231 21239 21246 21243 21248 21249 21242 21240 21242 21233 21248 21237 21233 21240 21235 21246 21233 21244 21233 21239 21243 21248 21249 21242 21240 21249 21257 21239 21242 21243 21248 21249 21242 21244 21232 21233 21248 21231 21243 21240 21242 21239 21243 21239 21248 21244 21248 21249 21242 21244 21232 21233 21248 21231 21243 21244 21249 21237 21249 21247 21239 21248 21249 21242 21232 21239 21233 21231 21232 21244 21248 21249 21242 21238 21239 21240 21244 21232 21248 21249 21242 21235 21248 21259 21249 21244 21232 21239 21242 21237 21242 21239 21235 21244 21255 21242 21239 21243 21232 21235 21246 21246 21236 21239 21235 21236 21246 21239 21244 21249 21243 21239 21240 21235 21242 21235 21244 21239 21255 21243 21230 21242 21249 21247 21244 21232 21239 21246 21249 21256 21239 21249 21230 21231 21249 21238", "ciphertext": "21230 21249 21242 21233 21235 21247 21240 21239 21242 21243 21255 21235 21238 21239 21238 21244 21232 21235 21244 21248 21239 21233 21244 21232 21239 21242 21238 21239 21235 21244 21232 21248 21249 21242 21246 21233 21230 21239 21248 21249 21242 21235 21248 21231 21239 21246 21243 21248 21249 21242 21240 21242 21233 21248 21237 21233 21240 21235 21246 21233 21244 21233 21239 21243 21248 21249 21242 21240 21249 21257 21239 21242 21243 21248 21249 21242 21244 21232 21233 21248 21231 21243 21240 21242 21239 21243 21239 21248 21244 21248 21249 21242 21244 21232 21233 21248 21231 21243 21244 21249 21237 21249 21247 21239 21248 21249 21242 21232 21239 21233 21231 21232 21244 21248 21249 21242 21238 21239 21240 21244 21232 21248 21249 21242 21235 21248 21259 21249 21244 21232 21239 21242 21237 21242 21239 21235 21244 21255 21242 21239 21243 21232 21235 21246 21246 21236 21239 21235 21236 21246 21239 21244 21249 21243 21239 21240 21235 21242 21235 21244 21239 21255 21243 21230 21242 21249 21247 21244 21232 21239 21246 21249 21256 21239 21249 21230 21231 21249 21238", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 895, "length": 1073, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0327", "text": "MMPWNMYKRZACLFMUCZYUFZUMNFTAVJFRRNACJJUBVZCPSDLPHFMUPWEJGQNOUMVJPWBKXUMPMNODUL", "ciphertext": "MMPWNMYKRZACLFMUCZYUFZUMNFTAVJFRRNACJJUBVZCPSDLPHFMUPWEJGQNOUMVJPWBKXUMPMNODUL", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009134", "text": "PESLSOSTISEYUROTUEHPUYBSRMRSLISAIYNIUISOIXYCELFMCNTCTDTXACMPTEEAIAEEYXLIUHSARDOLARMXPPLAESTINCCNAXHHTBNUASCIHSTXAEIETRITLPWETXBRPTRENRAHHCEX", "ciphertext": "PESLSOSTISEYUROTUEHPUYBSRMRSLISAIYNIUISOIXYCELFMCNTCTDTXACMPTEEAIAEEYXLIUHSARDOLARMXPPLAESTINCCNAXHHTBNUASCIHSTXAEIETRITLPWETXBRPTRENRAHHCEX", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "scytale", "cipher": "scytale", "key": {"cols": 10}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "stager-route-153", "text": "TLNAFSIFXTFEVGYHETWEAESXXEARTEHONIHOIRLX", "ciphertext": "TLNAFSIFXTFEVGYHETWEAESXXEARTEHONIHOIRLX", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 40, "length": 40, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v3-0066", "text": "R5 R8 V4 R1 H7 A4 N2 N3 M9 R8 H7 Q7 A3 D0 Q7 A3 H7 L6 N6 S0 O2 P2 C1 A9 C0 K8 P3 K4 A5 A9 C0 U6 N7 Q6 R5 N6 R5 T2 U4 Z1 R5 S3 A2 L6 Q6 T9 B1 A1 O0 B3 B8 N3 Q3 O9 T9 I3 G7 S3 O6 R8 M5 A1 O2 C9 C5 Y0 H2 N6 N7 K3 C2 Q6 S3 M2", "ciphertext": "R5 R8 V4 R1 H7 A4 N2 N3 M9 R8 H7 Q7 A3 D0 Q7 A3 H7 L6 N6 S0 O2 P2 C1 A9 C0 K8 P3 K4 A5 A9 C0 U6 N7 Q6 R5 N6 R5 T2 U4 Z1 R5 S3 A2 L6 Q6 T9 B1 A1 O0 B3 B8 N3 Q3 O9 T9 I3 G7 S3 O6 R8 M5 A1 O2 C9 C5 Y0 H2 N6 N7 K3 C2 Q6 S3 M2", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0461", "text": "QDOMGYITQKKSORLCMOTRDSKSEUQMCSDARQDNSTDWQDSAHLRQCSRTCLFUTOTOTUNWDARLQDSTNRTRQX", "ciphertext": "QDOMGYITQKKSORLCMOTRDSKSEUQMCSDARQDNSTDWQDSAHLRQCSRTCLFUTOTOTUNWDARLQDSTNRTRQX", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-180", "text": "H4 O7 G0 P1 W1 A5 O2 A5 L0 G0 Y5 Q3 T2 S3 Y7 Q2 M9 I7 D2 Z6 W1 E9 N1 I5 N0 K5 A9 R6 Q3 A3 G6 H4 R5 C5 D7 Y7 B8 S4 K7 Y4 G7 H7 J5 K7 R1 D7 R6 B1 G0 D5 G1 C5 S4 P5 N8 D5 P6 I5 E4 L3 X9 P1 Z6 D2 H4 S7 Q0 L4 D7 L9 I8 K1 O7 A0 Y7 J1 H1 T3 K3 A0 Y5 U2 M9 L6 M5 I6 D6 I1 G8 C3 I5 C3 L6 A3 J4 G7 H6 L3 X8 W1 M1 I5 O7 E4 I1 R6 U2 K2 L3 N8 R2 T2 S7 C1 K0 L8 G7 I8 L4 O7 G0 Q5 I3 H1 F5 H1 K3 L8 R2 X8 B0 I5 A1 P5 I3 L0 C3 G7 N1 B8 O8 Q4 T2", "ciphertext": "H4 O7 G0 P1 W1 A5 O2 A5 L0 G0 Y5 Q3 T2 S3 Y7 Q2 M9 I7 D2 Z6 W1 E9 N1 I5 N0 K5 A9 R6 Q3 A3 G6 H4 R5 C5 D7 Y7 B8 S4 K7 Y4 G7 H7 J5 K7 R1 D7 R6 B1 G0 D5 G1 C5 S4 P5 N8 D5 P6 I5 E4 L3 X9 P1 Z6 D2 H4 S7 Q0 L4 D7 L9 I8 K1 O7 A0 Y7 J1 H1 T3 K3 A0 Y5 U2 M9 L6 M5 I6 D6 I1 G8 C3 I5 C3 L6 A3 J4 G7 H6 L3 X8 W1 M1 I5 O7 E4 I1 R6 U2 K2 L3 N8 R2 T2 S7 C1 K0 L8 G7 I8 L4 O7 G0 Q5 I3 H1 F5 H1 K3 L8 R2 X8 B0 I5 A1 P5 I3 L0 C3 G7 N1 B8 O8 Q4 T2", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 286, "length": 428, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-159", "text": "WBJGKHRWUCBJFGDRMBLIUHIGDRMJUCREDBIUJRGBUQG", "ciphertext": "WBJGKHRWUCBJFGDRMBLIUHIGDRMJUCREDBIUJRGBUQG", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 43, "length": 43, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v2-0300", "text": "EFTHBTUMMFOHENQFNPEFBALHKOOKSNMHVKQGINLKKQOIYAAHHLMHEFHONEZNOLNPSOHASULTKGKOFY", "ciphertext": "EFTHBTUMMFOHENQFNPEFBALHKOOKSNMHVKQGINLKKQOIYAAHHLMHEFHONEZNOLNPSOHASULTKGKOFY", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002146", "text": "AHDRSHHGDITEIIICEODASCMGTEEEIEAOUOOXNRTYIDBRTREEBNSVNABOCNOPTLSTSUYTOYSSACBEGLEDAALLHIAAASSAEPSXSOYRTPTETLSAEMSLREPNNTAX", "ciphertext": "AHDRSHHGDITEIIICEODASCMGTEEEIEAOUOOXNRTYIDBRTREEBNSVNABOCNOPTLSTSUYTOYSSACBEGLEDAALLHIAAASSAEPSXSOYRTPTETLSAEMSLREPNNTAX", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "scytale", "cipher": "scytale", "key": {"cols": 5}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "trifid-v3-0399", "text": "UDFZYIRMGWOKRUSDFAZGHTQONDOVJLGLZGDFRQPVDXUEJGAXEABIRZSLDMJWJNSRHQ+RKXCEQWNCGZAT", "ciphertext": "UDFZYIRMGWOKRUSDFAZGHTQONDOVJLGLZGDFRQPVDXUEJGAXEABIRZSLDMJWJNSRHQ+RKXCEQWNCGZAT", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0083", "text": "26199 26187 26184 26195 26197 26188 26182 26184 26194 26185 26191 26188 26181 26184 26197 26199 26104 26188 26198 26184 26199 26184 26197 26193 26180 26191 26101 26188 26186 26188 26191 26180 26193 26182 26184 26180 26193 26183 26199 26187 26184 26102 26188 26191 26191 26199 26194 26183 26184 26185 26184 26193 26183 26188 26199 26180 26186 26180 26188 26193 26198 26199 26180 26191 26191 26185 26194 26184 26198 26180 26193 26183 26199 26187 26197 26184 26180 26199 26198", "ciphertext": "26199 26187 26184 26195 26197 26188 26182 26184 26194 26185 26191 26188 26181 26184 26197 26199 26104 26188 26198 26184 26199 26184 26197 26193 26180 26191 26101 26188 26186 26188 26191 26180 26193 26182 26184 26180 26193 26183 26199 26187 26184 26102 26188 26191 26191 26199 26194 26183 26184 26185 26184 26193 26183 26188 26199 26180 26186 26180 26188 26193 26198 26199 26180 26191 26191 26185 26194 26184 26198 26180 26193 26183 26199 26187 26197 26184 26180 26199 26198", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 395, "length": 473, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0177", "text": "90 12 30 63 53 40 76 41 91 90 18 55 63 91 90 15 44 76 91 90 27 63 76 17 91 90 61 85 20 91 90 45 58 63 89 91 90 53 44 47 77 30 91 90 54 81 58 76 55 84 15 91 90 45 44 63 91 90 76 18 20 15 58 91 90 47 66 33 91 90 45 44 63 91 90 88 76 18 75 63 74 47 68 76 55 40 91 90 53 58 18 77 30 91 90 69 63 91 90 73 47 77 30 76 41 91 90 40 25 81 53 91", "ciphertext": "90 12 30 63 53 40 76 41 91 90 18 55 63 91 90 15 44 76 91 90 27 63 76 17 91 90 61 85 20 91 90 45 58 63 89 91 90 53 44 47 77 30 91 90 54 81 58 76 55 84 15 91 90 45 44 63 91 90 76 18 20 15 58 91 90 47 66 33 91 90 45 44 63 91 90 88 76 18 75 63 74 47 68 76 55 40 91 90 53 58 18 77 30 91 90 69 63 91 90 73 47 77 30 76 41 91 90 40 25 81 53 91", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 224, "length": 335, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019216", "text": "CBIGORPYLQYWMNMRLKDXUSRANFTTBQDCKHKOIAFJOALKDTTSSCFJRCWQUIADHGGUBVXOAWOABKATQGTQASTHYEJSZYSMTNHAHCLJVOQPQKKPSQEBJTPTCCFNDJFZTP", "ciphertext": "CBIGORPYLQYWMNMRLKDXUSRANFTTBQDCKHKOIAFJOALKDTTSSCFJRCWQUIADHGGUBVXOAWOABKATQGTQASTHYEJSZYSMTNHAHCLJVOQPQKKPSQEBJTPTCCFNDJFZTP", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "vernam-020", "text": "ZDAZEEVFSMTABFBTG", "ciphertext": "ZDAZEEVFSMTABFBTG", "plaintext": "CRYPTOGRAPHY RULES", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "XMCKLQPOS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-v2-0165", "text": "THOLARLNPADEYSDABEOWRCAA", "ciphertext": "THOLARLNPADEYSDABEOWRCAA", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020754", "text": "shedy sheedy qokedy otaiin sheol kaiiin dainy dal sheol lkaiin ykcheol shal ytedy dal otol otol qotedy shedy otaiin shaiin sheedy qokedy qotedy ytaiin okal sheedy chedal aiiin ypchol okedy otedy raiin", "ciphertext": "shedy sheedy qokedy otaiin sheol kaiiin dainy dal sheol lkaiin ykcheol shal ytedy dal otol otol qotedy shedy otaiin shaiin sheedy qokedy qotedy ytaiin okal sheedy chedal aiiin ypchol okedy otedy raiin", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 169, "length": 169, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "affine-v3-0381", "text": "RCJIQP UHOWJDWR TLCT OZWMQWO WDUFDW TLJUYGL PCTYJCF OWFWMTQUP UDWJ DCOT OZCPO UB GWUFUGQM TQKW", "ciphertext": "RCJIQP UHOWJDWR TLCT OZWMQWO WDUFDW TLJUYGL PCTYJCF OWFWMTQUP UDWJ DCOT OZCPO UB GWUFUGQM TQKW", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0084", "text": "IMTZGRPBYMVSYUKRAQR", "ciphertext": "IMTZGRPBYMVSYUKRAQR", "plaintext": "MEASURE TWICE CUT ONCE", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0021", "text": "FALTGZVGBVTVGVWKUJHNTKWSLW", "ciphertext": "FALTGZVGBVTVGVWKUJHNTKWSLW", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-005", "text": "FTQOAMEFUEOXQMD", "ciphertext": "FTQOAMEFUEOXQMD", "plaintext": "THE COAST IS CLEAR", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "YEOKHAK"}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-101", "text": "IUG VAZ ORIZ YAEP SAEVZPY SIV XA HAP YAE NEZ ORIZ YAE SIV XA", "ciphertext": "IUG VAZ ORIZ YAEP SAEVZPY SIV XA HAP YAE NEZ ORIZ YAE SIV XA", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 8}, "difficulty": "beginner", "language": "en", "text_length": 47, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v3-0588", "text": "QNOBTYAGGNIAWXQMAABYKYBKHIJARFOPFRWXMZLVJXFAFLNYNRQOLVKLFMFQEQQWCZCIJAGBLLQ", "ciphertext": "QNOBTYAGGNIAWXQMAABYKYBKHIJARFOPFRWXMZLVJXFAFLNYNRQOLVKLFMFQEQQWCZCIJAGBLLQ", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "voynich-render-v2-0106", "text": "hdrdqof iqedqx rzladq ird off yillzrkyogkirx xcoff ad dryqungde zxkrh gcd onnqivde ykncdq ekxp", "ciphertext": "hdrdqof iqedqx rzladq ird off yillzrkyogkirx xcoff ad dryqungde zxkrh gcd onnqivde ykncdq ekxp", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0057", "text": "HWETWIHRTGWRWLOAXKRUPQFERGLTZGINPZMTDVTLDFSUBFGXOQOXUVQCCBSUQJCRLROFXWU", "ciphertext": "HWETWIHRTGWRWLOAXKRUPQFERGLTZGINPZMTDVTLDFSUBFGXOQOXUVQCCBSUQJCRLROFXWU", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-1368", "text": "WDSB JCIDUA SLWCPR KLKA WDSB UBCPDSY GLP CII WDSB GDPJKAQQ DK SBA PDEBS CQ ELR EDVAQ TQ SL QAA SBA PDEBS IAS TQ QSPDVA LK SL GDKDQB SBA WLPH WA CPA DK SL ODKR TM SBA KCSDLKQ WLTKRQ", "ciphertext": "WDSB JCIDUA SLWCPR KLKA WDSB UBCPDSY GLP CII WDSB GDPJKAQQ DK SBA PDEBS CQ ELR EDVAQ TQ SL QAA SBA PDEBS IAS TQ QSPDVA LK SL GDKDQB SBA WLPH WA CPA DK SL ODKR TM SBA KCSDLKQ WLTKRQ", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "beginner", "language": "en", "text_length": 143, "length": 180, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-571", "text": "XIHIQRKAFWENWIKATXOVJGVEGIVCISEMULANFZCFFRALJQIXBXEXJELTM", "ciphertext": "XIHIQRKAFWENWIKATXOVJGVEGIVCISEMULANFZCFFRALJQIXBXEXJELTM", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BEAUFORT"}, "difficulty": "intermediate", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0113", "text": "HQJTBIJTITYOVYSTVSTLTVSTLCQQREPDTOTSTLKJTCQTVPDOSWSRQVSTEYHHCQJRBQXTJTQTHSBWPQSCAPLTTCQIKOQOKJTHHDWCBJDOEORKKQQPOSTSHVTCOAKCPJRKPTSBJDNRKPIOQTOEOSJTOCOHSTODYNSTATCQJNHTD", "ciphertext": "HQJTBIJTITYOVYSTVSTLTVSTLCQQREPDTOTSTLKJTCQTVPDOSWSRQVSTEYHHCQJRBQXTJTQTHSBWPQSCAPLTTCQIKOQOKJTHHDWCBJDOEORKKQQPOSTSHVTCOAKCPJRKPTSBJDNRKPIOQTOEOSJTOCOHSTODYNSTATCQJNHTD", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0281", "text": "UFKEFIIRBCJTMCDFIUZTOUITLIYEGYEZYLDXTEFPVBOBSHBZUCUFEXZKSDNXHRMXHTQULFBUVFEZBY", "ciphertext": "UFKEFIIRBCJTMCDFIUZTOUITLIYEGYEZYLDXTEFPVBOBSHBZUCUFEXZKSDNXHRMXHTQULFBUVFEZBY", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0691", "text": "UFRJZUGEBCWNGQJZBKLJAEWBCGGKLIHGCUSMLHHMWBAABKLWNIXBZBMEBAGJXNENIXNSJSEF", "ciphertext": "UFRJZUGEBCWNGQJZBKLJAEWBCGGKLIHGCUSMLHHMWBAABKLWNIXBZBMEBAGJXNENIXNSJSEF", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PAPAL"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0429", "text": "MZKJTABQKHSXFLWPRBILWTFTGWZHVZIRGXVVHWALGKBRPVWAALTNPGMAWRQHHLVSTFDFALTGVWALHRG", "ciphertext": "MZKJTABQKHSXFLWPRBILWTFTGWZHVZIRGXVVHWALGKBRPVWAALTNPGMAWRQHHLVSTFDFALTGVWALHRG", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0328", "text": "GGDAFDFDFDGFXADFAAGGAGXFAGGDGDGFFAGAGXDFDDDF", "ciphertext": "GGDAFDFDFDGFXADFAAGGAGXFAGGDGDGFFAGAGXDFDDDF", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0341", "text": "SDARBREKCSLKMHLSSLBQQBQQEKBSAOUAAKAHEZBRASDWBQUKILVAPATRYNPBKIEQWBHQEKCDBJEKSEJA", "ciphertext": "SDARBREKCSLKMHLSSLBQQBQQEKBSAOUAAKAHEZBRASDWBQUKILVAPATRYNPBKIEQWBHQEKCDBJEKSEJA", "plaintext": "THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015678", "text": "TFXK AVLI WKMP FBOG HMBW HYXU SEGD GOOE XMHJ JGVE HCRF BXHV UEZR RZBR QFNN JQWU HKSI VIUU VXCD EFON UBXT MWMM LNGY NRBW RRSW WZID CPXG SDLN VKIH CIPD NCYG QJHN FDEO T", "ciphertext": "TFXK AVLI WKMP FBOG HMBW HYXU SEGD GOOE XMHJ JGVE HCRF BXHV UEZR RZBR QFNN JQWU HKSI VIUU VXCD EFON UBXT MWMM LNGY NRBW RRSW WZID CPXG SDLN VKIH CIPD NCYG QJHN FDEO T", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 133, "length": 133, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0041", "text": "AFKABEDEVUOXDEYBWATUXCMUTBFVDPZENEWNTXFXLYPKESPNU", "ciphertext": "AFKABEDEVUOXDEYBWATUXCMUTBFVDPZENEWNTXFXLYPKESPNU", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "voynich-render-v2-0058", "text": "rdvdq kr gcd skdfe is czlor yirsfkyg jox xi lzyc ijde au xi loru gi xi sdj aqovd xizfx", "ciphertext": "rdvdq kr gcd skdfe is czlor yirsfkyg jox xi lzyc ijde au xi loru gi xi sdj aqovd xizfx", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0133", "text": "MYAPJENYTOPTJEYMRIBG", "ciphertext": "MYAPJENYTOPTJEYMRIBG", "plaintext": "THE REDCOATS ARE COMING", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0197", "text": "742326302262623523687262656320235230242373122234662696900292349823218239623222371729062696626237698232342237423222076626231821823963874162621238691472490123492002381252665626969293425626235239823012423012023867694226262370728572163242697070142355", "ciphertext": "742326302262623523687262656320235230242373122234662696900292349823218239623222371729062696626237698232342237423222076626231821823963874162621238691472490123492002381252665626969293425626235239823012423012023867694226262370728572163242697070142355", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 246, "length": 246, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0049", "text": "UPTAXDHXFIEFTXANTCHTLFYAERQZQMLJVHZSCKTQECYLLCFTSZIOLBJOWDCSVCUIFKCZDG", "ciphertext": "UPTAXDHXFIEFTXANTCHTLFYAERQZQMLJVHZSCKTQECYLLCFTSZIOLBJOWDCSVCUIFKCZDG", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020484", "text": "X L r X· ┌· Γ· K ⌒· r └ ⌐ Γ· ┌ X X r· ┘· X· └ Γ ¬ L K L X K L Γ X· ─ Γ L ┌· X r ┌· X· K Γ· ─ ⌒· r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ r ┌· ⌒· ┐· K ┘· ¬· ┌· ⌐ ┐· r· ⌒· ┌· L ⌒ ⌐ ┌· Γ X ┐· ⌐ K Γ· L ─ r L ⌐ ─ Γ r ⌐ ┌· L ⌐· X· └ K r· Γ· ─ ┐ Γ· ─ ¬· r L ┌· K ⌐ Γ· ─ └ ⌒·", "ciphertext": "X L r X· ┌· Γ· K ⌒· r └ ⌐ Γ· ┌ X X r· ┘· X· └ Γ ¬ L K L X K L Γ X· ─ Γ L ┌· X r ┌· X· K Γ· ─ ⌒· r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ r ┌· ⌒· ┐· K ┘· ¬· ┌· ⌐ ┐· r· ⌒· ┌· L ⌒ ⌐ ┌· Γ X ┐· ⌐ K Γ· L ─ r L ⌐ ─ Γ r ⌐ ┌· L ⌐· X· └ K r· Γ· ─ ┐ Γ· ─ ¬· r L ┌· K ⌐ Γ· ─ └ ⌒·", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING CERTAINLY", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "hard", "language": "en", "text_length": 82, "length": 82, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "monoalphabetic-vi-0093", "text": "TFR QNGPGT GQ WGJJGLD AUT TFR BJRQF GQ WRCI WR KUQT WCTEF CLS NPCY WGTFMUT ERCQGLD CT CJJ", "ciphertext": "TFR QNGPGT GQ WGJJGLD AUT TFR BJRQF GQ WRCI WR KUQT WCTEF CLS NPCY WGTFMUT ERCQGLD CT CJJ", "plaintext": "THE SPIRIT IS WILLING BUT THE FLESH IS WEAK WE MUST WATCH AND PRAY WITHOUT CEASING AT ALL", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CAESAR"}, "difficulty": "beginner", "language": "en", "text_length": 72, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012556", "text": "ATRA NSPA RENT TOOL SHOX LDSH XWIT SXEA SONI NGAX ANTU ZING BROK EENI GMAW ITHC XIBS ANDT HEZO MBEM ACHI ZEEN TZOP YMEA SURZ SUNC ZRTA INTY INAD ISTR IBUT IONT HZEN IGMA MACH INEU SEDR OXOR STZC REAX EAPO XYAL PHAB ETIC CIPH ERZC X", "ciphertext": "ATRA NSPA RENT TOOL SHOX LDSH XWIT SXEA SONI NGAX ANTU ZING BROK EENI GMAW ITHC XIBS ANDT HEZO MBEM ACHI ZEEN TZOP YMEA SURZ SUNC ZRTA INTY INAD ISTR IBUT IONT HZEN IGMA MACH INEU SEDR OXOR STZC REAX EAPO XYAL PHAB ETIC CIPH ERZC X", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "affine-v2-1760", "text": "QTZNV HAN CHS XYTESANU UP EPUDNA PCNR QYNTA KHANUQV HUS NGNARPUN TV BATQTUD H CPPJ TQ VNNZV QP ZN QYHQ QYN RPLUD YHGN HEBHRV HUS BTEE HEBHRV CN HU LUALER DNUNAHQTPU ILEE PI IPPETVYUNVV", "ciphertext": "QTZNV HAN CHS XYTESANU UP EPUDNA PCNR QYNTA KHANUQV HUS NGNARPUN TV BATQTUD H CPPJ TQ VNNZV QP ZN QYHQ QYN RPLUD YHGN HEBHRV HUS BTEE HEBHRV CN HU LUALER DNUNAHQTPU ILEE PI IPPETVYUNVV", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 21, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 151, "length": 184, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0347", "text": "NFUMOAJTEADTTEDAE", "ciphertext": "NFUMOAJTEADTTEDAE", "plaintext": "THE APPLE FALLS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0244", "text": "DCODAPXCNGHVNQPMRT", "ciphertext": "DCODAPXCNGHVNQPMRT", "plaintext": "GRAVITY EXPLAINS ALL", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0158", "text": "65590836908251909048889189085908285580858190408369249585918346888090836909085580", "ciphertext": "65590836908251909048889189085908285580858190408369249585918346888090836909085580", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003458", "text": "SIGHYPAQOWMRHCLMWCYSPQDZLARQWPIZYBTMBJNIDMYMNLP", "ciphertext": "SIGHYPAQOWMRHCLMWCYSPQDZLARQWPIZYBTMBJNIDMYMNLP", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS CAREFULLY", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "medium", "language": "en", "text_length": 47, "length": 47, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "playfair-v3-0172", "text": "OKRUAOFTAMRELDUDHSEFCERELOMPKRDLCFCOFDCXOKTDAWCFKRQEHRWHTFTFDFFXDLEROKFDOCEFBV", "ciphertext": "OKRUAOFTAMRELDUDHSEFCERELOMPKRDLCFCOFDCXOKTDAWCFKRQEHRWHTFTFDFFXDLEROKFDOCEFBV", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0308", "text": "DKQXWJYUEPZRXDQOITOZUAZAMUREQIMRLHMBYLIHSPUTJEKLNTXTQGOMODYHHHQHWVHJBZMHFUNHIDDBXH", "ciphertext": "DKQXWJYUEPZRXDQOITOZUAZAMUREQIMRLHMBYLIHSPUTJEKLNTXTQGOMODYHHHQHWVHJBZMHFUNHIDDBXH", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-059", "text": "QGGQSNIAFHSBUGEWWSYSRRJFAQLXDHNIPQNDKEBTEZRPCDPFJRFRRHDPWBIYBAEBWPNMYNWJFERFVHFOPWPOXSKXFYEGLAOESZJDWLOSXUWLUXNBHOYENJLFRDXPOBRXZKCALMZCKOTLYABAYUSN", "ciphertext": "QGGQSNIAFHSBUGEWWSYSRRJFAQLXDHNIPQNDKEBTEZRPCDPFJRFRRHDPWBIYBAEBWPNMYNWJFERFVHFOPWPOXSKXFYEGLAOESZJDWLOSXUWLUXNBHOYENJLFRDXPOBRXZKCALMZCKOTLYABAYUSN", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "M94"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v3-0177", "text": "CSANKYZEMWKVZPBXSYQLKVZEKYFTRTPXXMTJJXWYEOJWDPAKXYNYEBBPBTYKMKUETRBZBBTSYCKPPL", "ciphertext": "CSANKYZEMWKVZPBXSYQLKVZEKYFTRTPXXMTJJXWYEOJWDPAKXYNYEBBPBTYKMKUETRBZBBTSYCKPPL", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0438", "text": "VEDCTIMKIKLHSUZZLKIOANVMQYYMHACASDFGWUCPJVACRMIXGLAHUUNBBOOWRKEVGYUEC", "ciphertext": "VEDCTIMKIKLHSUZZLKIOANVMQYYMHACASDFGWUCPJVACRMIXGLAHUUNBBOOWRKEVGYUEC", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0009", "text": "UAKGLUTOUNCACULQ", "ciphertext": "UAKGLUTOUNCACULQ", "plaintext": "RENDER UNTO CAESAR", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0045", "text": "FHVUHFGOIRXLGQALAGIFINFGSJTXXIGENPKMLFYJFFBNSSOTWEUGUVALWWEP", "ciphertext": "FHVUHFGOIRXLGQALAGIFINFGSJTXXIGENPKMLFYJFFBNSSOTWEUGUVALWWEP", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0228", "text": "ZWPSFHUOZWHTFOHSFBWHCIZOACFHQSGACHGRTWBWGGSBHZOFSJCZIHWCBTFOBOWGSRSAWZGSDH", "ciphertext": "ZWPSFHUOZWHTFOHSFBWHCIZOACFHQSGACHGRTWBWGGSBHZOFSJCZIHWCBTFOBOWGSRSAWZGSDH", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "aeneas-tacticus-029", "text": "12 15 3 11 4 15 23 14 1 12 12 7 1 20 5 19", "ciphertext": "12 15 3 11 4 15 23 14 1 12 12 7 1 20 5 19", "plaintext": "LOCK DOWN ALL GATES", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 41, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v3-0429", "text": "GENEQALSHERMANMARCHEDTOTHESEATHROUGHGEORGIACUSTINGASIXTYMILEWIDEPATHOFRUIN", "ciphertext": "GENEQALSHERMANMARCHEDTOTHESEATHROUGHGEORGIACUSTINGASIXTYMILEWIDEPATHOFRUIN", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0275", "text": "VXRMGCSLJPJGYQWUGU", "ciphertext": "VXRMGCSLJPJGYQWUGU", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003898", "text": "RIREL FLFGR ZARRQ FNAUB ARFGG UERNG ZBQRY TBBQR QHPNG VBANY GBBYF RKCYN VAGUR VEYVZ VGFGJ BFDHN ERPVC URERA PELCG FQVTE NCUFJ VGUGJ BCBYL OVHFN YCUNO RGF", "ciphertext": "RIREL FLFGR ZARRQ FNAUB ARFGG UERNG ZBQRY TBBQR QHPNG VBANY GBBYF RKCYN VAGUR VEYVZ VGFGJ BFDHN ERPVC URERA PELCG FQVTE NCUFJ VGUGJ BCBYL OVHFN YCUNO RGF", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 128, "length": 128, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "diana-179", "text": "ZXYRNAEZGRNLAQXWWASTUFPFBLCECPZQJKABZEJNWAKMCFEAZALDZIKZYRRQPACYXTBQCOALZXYALFAEXNLVENJDNZKRVNRROWJJMTAKBIARZQXJRDYWLTIMKCVPEGERPDERQQIELSORYLTPQLYO", "ciphertext": "ZXYRNAEZGRNLAQXWWASTUFPFBLCECPZQJKABZEJNWAKMCFEAZALDZIKZYRRQPACYXTBQCOALZXYALFAEXNLVENJDNZKRVNRROWJJMTAKBIARZQXJRDYWLTIMKCVPEGERPDERQQIELSORYLTPQLYO", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017868", "text": "⟨w10⟩ ⟨a11⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w22⟩ ⟨a25⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩", "ciphertext": "⟨w10⟩ ⟨a11⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w22⟩ ⟨a25⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 134, "length": 134, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "copiale-v3-0159", "text": "I7 G0 H1 F0 E6 V8 K2 U3 C6 Y6 M4 T4 H5 I3 S7 J0 G3 N7 Q3 O2 W1 N8 C6 L7 G5 G6 P3 K2 D8 C0 P2 D4 A3 S0 N2 Q3 N7 K1 F1 U3 N2 Y6 L1 W1 Z3 A2 M9 G0 C6 D5 E6 V8 A3 O3 X1 I1 G3 H1 C0 O7 X1 A4 O2 N3 D6 G3 I1 P0 X6 A2 O0 O3 E6 X1 E1 P7 O2 F7", "ciphertext": "I7 G0 H1 F0 E6 V8 K2 U3 C6 Y6 M4 T4 H5 I3 S7 J0 G3 N7 Q3 O2 W1 N8 C6 L7 G5 G6 P3 K2 D8 C0 P2 D4 A3 S0 N2 Q3 N7 K1 F1 U3 N2 Y6 L1 W1 Z3 A2 M9 G0 C6 D5 E6 V8 A3 O3 X1 I1 G3 H1 C0 O7 X1 A4 O2 N3 D6 G3 I1 P0 X6 A2 O0 O3 E6 X1 E1 P7 O2 F7", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 156, "length": 233, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020957", "text": "5.5.6 11.2.1 3.5.8 1.3.2 8.2.10 17.3.10 16.3.1 6.4.2 8.5.7 10.1.7 2.3.5 15.5.6 15.2.10 17.6.10 16.6.4 19.6.2 19.4.7 20.6.5 17.1.5 14.2.3 15.3.3 2.6.8 20.2.8 15.5.7 8.4.5 14.2.5 8.5.8 7.3.3 12.2.6 4.2.8 18.6.2 19.4.8 4.1.4 13.1.1 5.3.2 18.3.7 15.2.8 20.1.5 16.6.4 14.2.7 9.4.5 20.4.5 9.4.3 15.5.9 10.1.7 14.4.3 16.5.2 15.6.10 6.2.3 1.6.9 12.5.7 6.2.1 13.1.4 15.5.3 5.2.3 7.1.4 6.3.5 2.4.3 1.1.1 20.4.1 3.1.2 17.6.8 8.2.4 7.5.10 20.6.2 8.6.2 17.5.4 9.6.10 16.5.2 18.3.6 6.5.3 20.1.5 7.4.5 7.5.8 15.4.9 2.3.6 14.3.1 3.1.5 3.2.6 1.5.1 11.2.9 20.1.6 15.1.8 5.3.10 20.1.5 11.4.5 14.1.9 18.2.2 10.6.7 16.6.8 14.6.3 20.3.4 10.5.4 3.6.5 15.6.5 11.2.4 7.5.9 5.4.7 14.6.1 18.4.8 4.4.4 11.3.7 11.6.8 2.6.2 1.5.9 20.1.10 13.6.10 2.6.7", "ciphertext": "5.5.6 11.2.1 3.5.8 1.3.2 8.2.10 17.3.10 16.3.1 6.4.2 8.5.7 10.1.7 2.3.5 15.5.6 15.2.10 17.6.10 16.6.4 19.6.2 19.4.7 20.6.5 17.1.5 14.2.3 15.3.3 2.6.8 20.2.8 15.5.7 8.4.5 14.2.5 8.5.8 7.3.3 12.2.6 4.2.8 18.6.2 19.4.8 4.1.4 13.1.1 5.3.2 18.3.7 15.2.8 20.1.5 16.6.4 14.2.7 9.4.5 20.4.5 9.4.3 15.5.9 10.1.7 14.4.3 16.5.2 15.6.10 6.2.3 1.6.9 12.5.7 6.2.1 13.1.4 15.5.3 5.2.3 7.1.4 6.3.5 2.4.3 1.1.1 20.4.1 3.1.2 17.6.8 8.2.4 7.5.10 20.6.2 8.6.2 17.5.4 9.6.10 16.5.2 18.3.6 6.5.3 20.1.5 7.4.5 7.5.8 15.4.9 2.3.6 14.3.1 3.1.5 3.2.6 1.5.1 11.2.9 20.1.6 15.1.8 5.3.10 20.1.5 11.4.5 14.1.9 18.2.2 10.6.7 16.6.8 14.6.3 20.3.4 10.5.4 3.6.5 15.6.5 11.2.4 7.5.9 5.4.7 14.6.1 18.4.8 4.4.4 11.3.7 11.6.8 2.6.2 1.5.9 20.1.10 13.6.10 2.6.7", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 108, "length": 108, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0607", "text": "VHZAXSYUSVDZIFCSMENVGXEYOFIKQSOUCXCPTYIDGYVCCEDRLFARATKQKNNTCLAVIJNDWPQMGOYUMPHL", "ciphertext": "VHZAXSYUSVDZIFCSMENVGXEYOFIKQSOUCXCPTYIDGYVCCEDRLFARATKQKNNTCLAVIJNDWPQMGOYUMPHL", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014587", "text": "1.35.14 8.49.14 20.17.15 16.20.8 11.40.5 16.20.4 3.27.9 13.11.2 8.16.10 2.29.14 4.5.11 9.17.1 1.21.7 2.35.12 8.13.5 11.31.11 13.39.12 1.41.12 12.10.7 16.14.3 14.46.7 14.24.12 9.43.11 10.16.2 4.4.8 5.28.14 18.43.4 13.27.11 5.27.7 18.31.6 4.2.7 17.23.6 10.31.5 13.40.11 9.4.9 8.49.5 12.5.11 19.21.3 17.49.5 7.12.12 8.31.6 9.31.11 2.18.7 8.27.2 13.35.14 6.7.5 18.44.14 20.27.12 2.23.3 3.48.12 9.4.3 10.1.3 4.2.8 1.12.1 16.19.6 20.20.1 10.41.5 16.27.3 3.37.8 4.21.9 7.3.4 7.9.2 14.46.15 6.2.10 4.49.6 16.9.10 1.47.12 14.29.12 11.2.8 6.46.11 3.50.8 15.7.15 11.33.13 4.8.2 10.42.1 14.14.8 4.47.13 18.5.10 15.3.15 17.50.2 10.32.14 9.16.7 9.7.15 2.26.1 17.26.10 10.36.2 2.18.9 8.3.12 10.11.9 3.10.1 19.8.11 15.6.15 4.37.14 20.45.12 15.37.13 7.14.7 18.7.9 6.36.11 9.7.11 9.49.8 8.23.10 5.47.14 15.21.9 1.20.8 20.11.7 9.35.9 6.20.12 16.3.2 18.32.15 13.28.10 9.43.7 3.34.1 5.6.15 8.45.5 2.41.11 3.28.8 8.47.10 7.40.3 9.6.13 8.3.1 20.6.5 17.28.2 13.39.14 14.11.8 16.10.2 5.38.2 19.29.13 10.49.9 5.4.3 15.20.12 4.15.1 11.39.7 11.17.4 8.16.2 6.30.9 6.34.14 13.39.6 17.4.6 10.9.13 1.17.10 1.24.10 11.14.10 14.25.12 4.24.8 12.48.6 8.2.4 5.42.2 11.30.2 15.23.11 1.31.4 4.16.6 17.46.2 3.36.11 16.5.11 20.43.5 9.11.15 12.23.8 13.12.7 9.10.11 1.13.9 19.6.14 2.4.15 5.34.13 17.30.6 7.28.6 17.43.12 9.26.6 17.36.1 20.3.7 10.3.11 16.13.6 6.33.6 9.21.10 19.46.7 17.11.5 18.1.10 13.34.2 3.13.2 20.19.10 9.20.3 4.20.14 9.2.11 18.34.1 19.15.3 11.32.12 18.16.11 13.40.12 14.31.4 19.45.5 5.2.3 15.19.3 10.15.2 12.50.13 12.25.4 11.23.1 17.11.12 3.2.12 19.31.8 11.18.5", "ciphertext": "1.35.14 8.49.14 20.17.15 16.20.8 11.40.5 16.20.4 3.27.9 13.11.2 8.16.10 2.29.14 4.5.11 9.17.1 1.21.7 2.35.12 8.13.5 11.31.11 13.39.12 1.41.12 12.10.7 16.14.3 14.46.7 14.24.12 9.43.11 10.16.2 4.4.8 5.28.14 18.43.4 13.27.11 5.27.7 18.31.6 4.2.7 17.23.6 10.31.5 13.40.11 9.4.9 8.49.5 12.5.11 19.21.3 17.49.5 7.12.12 8.31.6 9.31.11 2.18.7 8.27.2 13.35.14 6.7.5 18.44.14 20.27.12 2.23.3 3.48.12 9.4.3 10.1.3 4.2.8 1.12.1 16.19.6 20.20.1 10.41.5 16.27.3 3.37.8 4.21.9 7.3.4 7.9.2 14.46.15 6.2.10 4.49.6 16.9.10 1.47.12 14.29.12 11.2.8 6.46.11 3.50.8 15.7.15 11.33.13 4.8.2 10.42.1 14.14.8 4.47.13 18.5.10 15.3.15 17.50.2 10.32.14 9.16.7 9.7.15 2.26.1 17.26.10 10.36.2 2.18.9 8.3.12 10.11.9 3.10.1 19.8.11 15.6.15 4.37.14 20.45.12 15.37.13 7.14.7 18.7.9 6.36.11 9.7.11 9.49.8 8.23.10 5.47.14 15.21.9 1.20.8 20.11.7 9.35.9 6.20.12 16.3.2 18.32.15 13.28.10 9.43.7 3.34.1 5.6.15 8.45.5 2.41.11 3.28.8 8.47.10 7.40.3 9.6.13 8.3.1 20.6.5 17.28.2 13.39.14 14.11.8 16.10.2 5.38.2 19.29.13 10.49.9 5.4.3 15.20.12 4.15.1 11.39.7 11.17.4 8.16.2 6.30.9 6.34.14 13.39.6 17.4.6 10.9.13 1.17.10 1.24.10 11.14.10 14.25.12 4.24.8 12.48.6 8.2.4 5.42.2 11.30.2 15.23.11 1.31.4 4.16.6 17.46.2 3.36.11 16.5.11 20.43.5 9.11.15 12.23.8 13.12.7 9.10.11 1.13.9 19.6.14 2.4.15 5.34.13 17.30.6 7.28.6 17.43.12 9.26.6 17.36.1 20.3.7 10.3.11 16.13.6 6.33.6 9.21.10 19.46.7 17.11.5 18.1.10 13.34.2 3.13.2 20.19.10 9.20.3 4.20.14 9.2.11 18.34.1 19.15.3 11.32.12 18.16.11 13.40.12 14.31.4 19.45.5 5.2.3 15.19.3 10.15.2 12.50.13 12.25.4 11.23.1 17.11.12 3.2.12 19.31.8 11.18.5", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 199, "length": 199, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0425", "text": "AWESELDTANUSDSIAELHOERFRPTFDMLRSIUTNMIFEDUDEELAIEATRHOCRAWNSUOEEAS", "ciphertext": "AWESELDTANUSDSIAELHOERFRPTFDMLRSIUTNMIFEDUDEELAIEATRHOCRAWNSUOEEAS", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0405", "text": "AFDFXDFVAVFVAGFAAADVAFADGF", "ciphertext": "AFDFXDFVAVFVAGFAAADVAFADGF", "plaintext": "HONOR ABOVE ALL", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013445", "text": "BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA BAABA AABBB AABAA AABAB BAAAA ABAAA AABAA AAABB ABABB AAAAA ABBAA BAABA AABAA BAAAB BAABA BAABB BAAAB AABAA BAAAB BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA BAABA ABBAB AABAA BAAAB BAABA ABAAA ABABB AAAAA BAABA AABAA ABAAB AABAA BABBA ABABA AABAA ABBAA AABBA BAABA AABBB AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAA ABBBA ABBBA ABABA ABAAA AABAA BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA BAABA BABAA ABAAA AAABA AABAA", "ciphertext": "BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA BAABA AABBB AABAA AABAB BAAAA ABAAA AABAA AAABB ABABB AAAAA ABBAA BAABA AABAA BAAAB BAABA BAABB BAAAB AABAA BAAAB BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA BAABA ABBAB AABAA BAAAB BAABA ABAAA ABABB AAAAA BAABA AABAA ABAAB AABAA BABBA ABABA AABAA ABBAA AABBA BAABA AABBB AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAA ABBBA ABBBA ABABA ABAAA AABAA BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA BAABA BABAA ABAAA AAABA AABAA", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 975, "length": 975, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "purple-v2-0123", "text": "TSJCIRSIMQVDTVEUQWPHWHYGEOVBWHBSFNVXBIHAEXVRTEWLHSTAZHVFHSORQJUSQFNQIEKHCSBTUDCJJZDYRJERPDEOSRWLAHBJSNFQODUTTDEOEJJGKINNKNRCLHFSMBBUXAFEWONOJIYYIOGKMBSIQNTNZOHZEJJ", "ciphertext": "TSJCIRSIMQVDTVEUQWPHWHYGEOVBWHBSFNVXBIHAEXVRTEWLHSTAZHVFHSORQJUSQFNQIEKHCSBTUDCJJZDYRJERPDEOSRWLAHBJSNFQODUTTDEOEJJGKINNKNRCLHFSMBBUXAFEWONOJIYYIOGKMBSIQNTNZOHZEJJ", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 163, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0106", "text": "PRIRNTDJNGRNOISFERNJIRTDDLJFFSIYLTQYJIOOHTDDERRILNXKQRGSOYIPQHRTKKNJURGLYKHRNGYOC", "ciphertext": "PRIRNTDJNGRNOISFERNJIRTDDLJFFSIYLTQYJIOOHTDDERRILNXKQRGSOYIPQHRTKKNJURGLYKHRNGYOC", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0127", "text": "BRIDHRAOSTROARDACFYXPV", "ciphertext": "BRIDHRAOSTROARDACFYXPV", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0062", "text": "45 27 78 59 55 27 34 23 56 88 57 50 55 25 59 66 57 40 36 56 69 75 55 37 33 54 77 98 44 49 33 34 56 86 44 49 45 55 96 59 28 26 33 26 86 79 56 58 44 54 56 78 27 30 44 47 57 57 48 67 52 46 68 88 38 30 42 54 59 56 45 50 66 56", "ciphertext": "45 27 78 59 55 27 34 23 56 88 57 50 55 25 59 66 57 40 36 56 69 75 55 37 33 54 77 98 44 49 33 34 56 86 44 49 45 55 96 59 28 26 33 26 86 79 56 58 44 54 56 78 27 30 44 47 57 57 48 67 52 46 68 88 38 30 42 54 59 56 45 50 66 56", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003555", "text": "GESTNHAERAOTUCYOOLENFORLASCETYIIUENROUOOPTINODDEERISTMLSDUPRLWEVCXNUIQAENEYSDTETECSINEAXSSGUSPGCCSBERINEANDRTXFEIETEKULHEDSNSTLDEIIX", "ciphertext": "GESTNHAERAOTUCYOOLENFORLASCETYIIUENROUOOPTINODDEERISTMLSDUPRLWEVCXNUIQAENEYSDTETECSINEAXSSGUSPGCCSBERINEANDRTXFEIETEKULHEDSNSTLDEIIX", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "scytale", "cipher": "scytale", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 132, "length": 132, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "cda-0006563", "text": "XREP XUBS SFCE VAPV CYRF NLFG URFL FGRZ ZHFG ORFR PHER RIRA VSRA RZLX ABJF NYTB EVGU ZNYN AGHE VATO EBXR RAVT ZNJV GUPE VOFN AQGU ROBZ ORZN PUVA RTEB AFSR YQHF RFNQ VTVG FRDH RAPR NFGU RERC RNGV ATXR LQBA BGPB ASHF RBOS HFPN GVBA JVGU RAPE LCGV BA", "ciphertext": "XREP XUBS SFCE VAPV CYRF NLFG URFL FGRZ ZHFG ORFR PHER RIRA VSRA RZLX ABJF NYTB EVGU ZNYN AGHE VATO EBXR RAVT ZNJV GUPE VOFN AQGU ROBZ ORZN PUVA RTEB AFSR YQHF RFNQ VTVG FRDH RAPR NFGU RERC RNGV ATXR LQBA BGPB ASHF RBOS HFPN GVBA JVGU RAPE LCGV BA", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 198, "length": 198, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0019994", "text": "2568 2872 06007 06370 4747 5658 02869 01024 0336 3803 1012 02833 05053 2544 1617 5750 06004 00395 05733 01635 6323 01664 00315 01018 02565 1603 05656 6016 4466 4797 06370 5040 5736 04725 06379 01616 0948 6350 02826 04792 4461", "ciphertext": "2568 2872 06007 06370 4747 5658 02869 01024 0336 3803 1012 02833 05053 2544 1617 5750 06004 00395 05733 01635 6323 01664 00315 01018 02565 1603 05656 6016 4466 4797 06370 5040 5736 04725 06379 01616 0948 6350 02826 04792 4461", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "stager-route-v3-0322", "text": "PSTERRAASXXPEXXRAXXADXXA", "ciphertext": "PSTERRAASXXPEXXRAXXADXXA", "plaintext": "PER ASPERA AD ASTRA", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0246", "text": "RNTPDSLUUVPPFEGWONGIHEKPONTIKOSBHURFOHNOYHGADDCAQGQCLBCSPHDOKOBSRPNALAWX", "ciphertext": "RNTPDSLUUVPPFEGWONGIHEKPONTIKOSBHURFOHNOYHGADDCAQGQCLBCSPHDOKOBSRPNALAWX", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v2-0064", "text": "TTSOTTIUUNSTIRNYDLLLEWNANAANEIANRGHDANENTRHSITLERNDEETLHOIHOTAALDIWTNHUWONN", "ciphertext": "TTSOTTIUUNSTIRNYDLLLEWNANAANEIANRGHDANENTRHSITLERNDEETLHOIHOTAALDIWTNHUWONN", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007732", "text": "A UTDRXVHZNXE FBCA IYGNFY OEMV IUU UIFYVVRXR", "ciphertext": "A UTDRXVHZNXE FBCA IYGNFY OEMV IUU UIFYVVRXR", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "enigma-v2-0177", "text": "FROPLNFFELBAYKIDZUPKTGYUGJKKKYDAIQBSVUMPISGCZRWRDUNQRWJYKQWYWXMJTFHHIWSGVQYLDIX", "ciphertext": "FROPLNFFELBAYKIDZUPKTGYUGJKKKYDAIQBSVUMPISGCZRWRDUNQRWJYKQWYWXMJTFHHIWSGVQYLDIX", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DEF"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0179", "text": "CNECKZMEIYRLZNYNXRSBLPHDOJNLGHVGJMPXVOIEOLDPSCSCXWEYDWZUBBQWJKKQQEBXJAYKVY", "ciphertext": "CNECKZMEIYRLZNYNXRSBLPHDOJNLGHVGJMPXVOIEOLDPSCSCXWEYDWZUBBQWJKKQQEBXJAYKVY", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018813", "text": "21 42 15 41 45 15 33 13 54 11 33 11 31 54 43 24 43 13 11 33 42 15 51 15 11 31 52 15 11 25 13 24 35 23 15 42 43 22 42 34 33 43 21 15 31 14 45 43 15 43 11 14 24 22 24 44 43 15 41 45 15 33 13 15 11 43 44 23 15 42 15 35 15 11 44 24 33 22 25 15 54 12 42 45 44 15 21 34 42 13 15 52 34 42 25 43 34 33 31 54 52 23 15 33 44 23 15 25 15 54 43 35 11 13 15 24 43 43 32 11 31 31 44 34 32 34 42 42 34 52", "ciphertext": "21 42 15 41 45 15 33 13 54 11 33 11 31 54 43 24 43 13 11 33 42 15 51 15 11 31 52 15 11 25 13 24 35 23 15 42 43 22 42 34 33 43 21 15 31 14 45 43 15 43 11 14 24 22 24 44 43 15 41 45 15 33 13 15 11 43 44 23 15 42 15 35 15 11 44 24 33 22 25 15 54 12 42 45 44 15 21 34 42 13 15 52 34 42 25 43 34 33 31 54 52 23 15 33 44 23 15 25 15 54 43 35 11 13 15 24 43 43 32 11 31 31 44 34 32 34 42 42 34 52", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL TOMORROW", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 130, "length": 130, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0019508", "text": "82 50 68 34 76 81 24 21 39 27 66 4 15 23 48 62 43 11 25 58 26 81 57 48 79 93 64 22 15 35 23 43 32 67 43 68 93 91 32 91 93 26 99 35 49 63 94 48 58 50 4 1 63 23 82 35 17 96 33 91 60 48 58 68 76 1 64 93 46 61 33 3 23 15 91 30 23 25 60 33 3", "ciphertext": "82 50 68 34 76 81 24 21 39 27 66 4 15 23 48 62 43 11 25 58 26 81 57 48 79 93 64 22 15 35 23 43 32 67 43 68 93 91 32 91 93 26 99 35 49 63 94 48 58 50 4 1 63 23 82 35 17 96 33 91 60 48 58 68 76 1 64 93 46 61 33 3 23 15 91 30 23 25 60 33 3", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0009137", "text": "PTKTRJCAKVNGLDOCWUHNZRDZVKCEVJLOOWGAEKENSEGFEWOIDLWCVLEZUSRHKTGOFRELFHKVPSXOIUMEQGNUZULQJZUTPTWASMEHEYGHWKWFLHWMEQDIOMMSMSTYPSWYJQRHMNRWBGSCGLCFIHGOMQKBANP", "ciphertext": "PTKTRJCAKVNGLDOCWUHNZRDZVKCEVJLOOWGAEKENSEGFEWOIDLWCVLEZUSRHKTGOFRELFHKVPSXOIUMEQGNUZULQJZUTPTWASMEHEYGHWKWFLHWMEQDIOMMSMSTYPSWYJQRHMNRWBGSCGLCFIHGOMQKBANP", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING EVERY SYSTEM NEEDS AN HONEST THREAT MODEL SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "autokey", "cipher": "autokey", "key": {"primer": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 155, "length": 155, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "sigaba-v2-0286", "text": "TDXWORROJUIIMTEPA", "ciphertext": "TDXWORROJUIIMTEPA", "plaintext": "NOVUS ORDO SECLORUM", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0285", "text": "FPQKVMBNAQIWL", "ciphertext": "FPQKVMBNAQIWL", "plaintext": "ANNUIT COEPTIS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010797", "text": "TIG OMGXHZH ZCQFSGLVK DHJSICCGF HRV YNL KXWXGAWIO JDHQGU", "ciphertext": "TIG OMGXHZH ZCQFSGLVK DHJSICCGF HRV YNL KXWXGAWIO JDHQGU", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY SLOWLY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 49, "length": 49, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0013356", "text": "-.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .- -.-. .... / .-- .... -.-- / -- --- -.. . .-. -. / ... . -.-. ..- .-. .. - -.-- / -- .- - - . .-. ... / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / - .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.. .- .. -. - . -..- - / .. - ... . .-.. ..-.", "ciphertext": "-.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .- -.-. .... / .-- .... -.-- / -- --- -.. . .-. -. / ... . -.-. ..- .-. .. - -.-- / -- .- - - . .-. ... / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / - .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.. .- .. -. - . -..- - / .. - ... . .-.. ..-.", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 201, "length": 201, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0215", "text": "ALEAIACTAESTETCAESARRUBKCONETRANSGRESSOBELLUMCIVILEINCKPITPERTOTAMROMANAM", "ciphertext": "ALEAIACTAESTETCAESARRUBKCONETRANSGRESSOBELLUMCIVILEINCKPITPERTOTAMROMANAM", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0146", "text": "90 41 85 15 91 90 33 18 53 44 91 90 41 25 45 91", "ciphertext": "90 41 85 15 91 90 33 18 53 44 91 90 41 25 45 91", "plaintext": "DOT DASH DOT", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0277", "text": "175 152 164 135 169 164 175 168 173 131 111", "ciphertext": "175 152 164 135 169 164 175 168 173 131 111", "plaintext": "TRUST BUT VERIFY", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 33, "length": 43, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005498", "text": "DPLRTEISNIUCGEIVNXENTNARNGTTLWEIOOUSENIDSHKFEROODRXXIEOPEDREEEUCCSIBLTCRESQRYAEFELPFXXIESNUSSPEUEGYOIETOLPRSEPUTELSANCXXADLODRRBENAOTUNRAAMINDCALUVEULETXXINORSECITEISONPNSPANFGAICTSICWTOX", "ciphertext": "DPLRTEISNIUCGEIVNXENTNARNGTTLWEIOOUSENIDSHKFEROODRXXIEOPEDREEEUCCSIBLTCRESQRYAEFELPFXXIESNUSSPEUEGYOIETOLPRSEPUTELSANCXXADLODRRBENAOTUNRAAMINDCALUVEULETXXINORSECITEISONPNSPANFGAICTSICWTOX", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 187, "length": 187, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0017547", "text": ".... ....  .. ...  . .....  . ....  . .....  .... ....  . .....  . ...  .... ....  .. ....  ..... .  . .....  .... ...  .... ....  .... .....  . ....  .. ....  . .....  .... ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  ... ..  . .  . ...  .. ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  .... ...  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...", "ciphertext": ".... ....  .. ...  . .....  . ....  . .....  .... ....  . .....  . ...  .... ....  .. ....  ..... .  . .....  .... ...  .... ....  .... .....  . ....  .. ....  . .....  .... ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  ... ..  . .  . ...  .. ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  .... ...  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0020388", "text": "--- -... ... . .-. ...- .- -... .-.. . / . ...- .. -.. . -. -.-. . / -.-. --- -- . ... / -... . ..-. --- .-. . / -.-. --- -. ..-. .. -.. . -. -.-. .", "ciphertext": "--- -... ... . .-. ...- .- -... .-.. . / . ...- .. -.. . -. -.-. . / -.-. --- -- . ... / -... . ..-. --- .-. . / -.-. --- -. ..-. .. -.. . -. -.-. .", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 39, "length": 39, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0013236", "text": "04740 00633 6032 1604 5738 06995 00390 00653 03806 1596 1644 6976 02854 01326 1570 4443 0957 1660 01000 4783 4171 1655 6034 0642 01662 01914 04714 05733 1638 0974 04799 04469 1940 2894 1269 01638 04460 0977 01603 00653 5659 6625 06361 01620 01975 04751 05685 00978 1614 07283 04748 05727 03541 6063 4784 4473 03809 7875 7262 2540 01592 4406 6296 02561 1589 03462 1584 07939 06002 05103 0384 00956 1622 2910 05993 06061 4151 00363 3814 03792 6329 02579 01649 1960 04789 06683 5663 5975 5347 06678 0402 05739 01669 00955 2883 5066 02592 1639 5714 06661 05998 01642 06012 06351 7255 4809 3525 1649 7886 07303 4722 5738 01331 5120 04777 03857 7941 00646 02899 06681 06052 06026 5383 06681 00359 5673 1628 6012 00351 03855 7246 0363 7933 6063", "ciphertext": "04740 00633 6032 1604 5738 06995 00390 00653 03806 1596 1644 6976 02854 01326 1570 4443 0957 1660 01000 4783 4171 1655 6034 0642 01662 01914 04714 05733 1638 0974 04799 04469 1940 2894 1269 01638 04460 0977 01603 00653 5659 6625 06361 01620 01975 04751 05685 00978 1614 07283 04748 05727 03541 6063 4784 4473 03809 7875 7262 2540 01592 4406 6296 02561 1589 03462 1584 07939 06002 05103 0384 00956 1622 2910 05993 06061 4151 00363 3814 03792 6329 02579 01649 1960 04789 06683 5663 5975 5347 06678 0402 05739 01669 00955 2883 5066 02592 1639 5714 06661 05998 01642 06012 06351 7255 4809 3525 1649 7886 07303 4722 5738 01331 5120 04777 03857 7941 00646 02899 06681 06052 06026 5383 06681 00359 5673 1628 6012 00351 03855 7246 0363 7933 6063", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES ALWAYS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 134, "length": 134, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "nihilist-v2-0347", "text": "24 36 77 44 27 67 63 36 29 77 53 24 48 73 34 26 88 35 54 57 47 56 47 70 54 28 40 46 55 27 70 34 24 38 75 55 27 90 22 35 48 43 56 47 57 43 34 37 75 44 28 70 24 55 59 55 24 57 87 43 34 68 45 55 25 77 24 24 47 64 25 46 98 34 38 36 73 67 57 57 34 34 46 44 56 67 58 26 36 36 64 54 68 68 26 45 70 77 36 48 77 56 45 66 64 38 25 77 42 36 36 55 55 57 56 33 45 37 53 56 27 87 22 46 37 64 57 28 77 53 24 66 86 24 36 77 26 45 70 77 36 48 77 56 35 48 83 45 29 77 34 55 38 74 47 37 87 42 25 57 65 45 26 56 54 34 47 86 58 27 70 34 54 50 75 55 39 77 32 24 70", "ciphertext": "24 36 77 44 27 67 63 36 29 77 53 24 48 73 34 26 88 35 54 57 47 56 47 70 54 28 40 46 55 27 70 34 24 38 75 55 27 90 22 35 48 43 56 47 57 43 34 37 75 44 28 70 24 55 59 55 24 57 87 43 34 68 45 55 25 77 24 24 47 64 25 46 98 34 38 36 73 67 57 57 34 34 46 44 56 67 58 26 36 36 64 54 68 68 26 45 70 77 36 48 77 56 45 66 64 38 25 77 42 36 36 55 55 57 56 33 45 37 53 56 27 87 22 46 37 64 57 28 77 53 24 66 86 24 36 77 26 45 70 77 36 48 77 56 35 48 83 45 29 77 34 55 38 74 47 37 87 42 25 57 65 45 26 56 54 34 47 86 58 27 70 34 54 50 75 55 39 77 32 24 70", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 362, "length": 542, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1160", "text": "TYWIGQYAJGPLGVMLQ", "ciphertext": "TYWIGQYAJGPLGVMLQ", "plaintext": "KEEP YOUR POWDER DRY", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0032", "text": "EQNXVNHBADXFY", "ciphertext": "EQNXVNHBADXFY", "plaintext": "E PLURIBUS UNUM", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-001", "text": "⌐ ╳ ╳ ⌐ ¬ ┴• ⌐ ╳ ├ ⌐ ╳• ┼•", "ciphertext": "⌐ ╳ ╳ ⌐ ¬ ┴• ⌐ ╳ ├ ⌐ ╳• ┼•", "plaintext": "ATTACK AT DAWN", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 26, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v3-0415", "text": "ZYFFYRT LAYNVTRE ZJU QAUGN MJN HRCRENXN COACFN PYCJNA TRPJYEN QNLUAN MJN XNPUEV ZUAFV ZRA RFXU PUYENV MJN MNAT PAICMRERFIXYX REV XCNEM JYX PRANNA RM MJN XYKERFX YEMNFFYKNEPN XNADYPN QOYFVYEK RTNAYPRE PUVNQANRGYEK", "ciphertext": "ZYFFYRT LAYNVTRE ZJU QAUGN MJN HRCRENXN COACFN PYCJNA TRPJYEN QNLUAN MJN XNPUEV ZUAFV ZRA RFXU PUYENV MJN MNAT PAICMRERFIXYX REV XCNEM JYX PRANNA RM MJN XYKERFX YEMNFFYKNEPN XNADYPN QOYFVYEK RTNAYPRE PUVNQANRGYEK", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 182, "length": 212, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0725", "text": "HFQGAJTPHSXOVSFHBVWLWRTCXQHHZZRGDYRCIFCYMYVKQHFAFLWFGCVGJPXKCFCPDWMCSWADQKYPVBKAKI", "ciphertext": "HFQGAJTPHSXOVSFHBVWLWRTCXQHHZZRGDYRCIFCYMYVKQHFAFLWFGCVGJPXKCFCPDWMCSWADQKYPVBKAKI", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "PQR"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0482", "text": "ZPPESFLZDFXEARKEURVFZIPPASOBFLLNCRGIWJFXAKAJCOUEJYZWLOJAWRNMHNUTDJIWUYCMXEEWZEJKNSVKGH", "ciphertext": "ZPPESFLZDFXEARKEURVFZIPPASOBFLLNCRGIWJFXAKAJCOUEJYZWLOJAWRNMHNUTDJIWUYCMXEEWZEJKNSVKGH", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0292", "text": "4998 5060 5166 4427 5397 5488 5060 4998 5488 4614 4154 4871 4871 4216 4427 4614 4427 4871 4361 5563 5060 4154 4998 5488 5814 4427 5397 4489 5060 5397 4154 4298 4154 5166 4680 5563 4154 4871 4298 5397 4680 4934 4427 5645 4998 4871 4427 5488 5488 5060 4998 5166 5397 4427 5488 4427 4998 5563 4934 4427 4998 5563 5060 4489 4154 4550 5397 4154 4998 4361 4743 5645 5397 5963", "ciphertext": "4998 5060 5166 4427 5397 5488 5060 4998 5488 4614 4154 4871 4871 4216 4427 4614 4427 4871 4361 5563 5060 4154 4998 5488 5814 4427 5397 4489 5060 5397 4154 4298 4154 5166 4680 5563 4154 4871 4298 5397 4680 4934 4427 5645 4998 4871 4427 5488 5488 5060 4998 5166 5397 4427 5488 4427 4998 5563 4934 4427 4998 5563 5060 4489 4154 4550 5397 4154 4998 4361 4743 5645 5397 5963", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 296, "length": 369, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0184", "text": "HEAXSJOIYHSJIBNOOBRTUMRPORRMEBVIVYFNJUHTYZOOKTNIDHMDGTGJAQFMIKFBXSFRYIYCAHZVAETEIO", "ciphertext": "HEAXSJOIYHSJIBNOOBRTUMRPORRMEBVIVYFNJUHTYZOOKTNIDHMDGTGJAQFMIKFBXSFRYIYCAHZVAETEIO", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007815", "text": "PBYHZANE GENAFCBFVGVBA ERNQF PBYHZAF VA XRL BEQRE GUR ENVY SRAPR PVCURE JEVGRF GRKG VA N MVTMNT CNGGREA PNERSHYYL", "ciphertext": "PBYHZANE GENAFCBFVGVBA ERNQF PBYHZAF VA XRL BEQRE GUR ENVY SRAPR PVCURE JEVGRF GRKG VA N MVTMNT CNGGREA PNERSHYYL", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN CAREFULLY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v2-0371", "text": "5563 4614 4427 4614 4680 5488 5563 5060 5397 5963 5060 4489 4298 5397 5963 5166 5563 5060 4871 5060 4550 5963 4680 5488 4154 4216 4154 5563 5563 4871 4427 5060 4489 5814 4680 5563 5488 4216 4427 5563 5814 4427 4427 4998 5563 4614 5060 5488 4427 5814 4614 5060 4934 4154 4809 4427 4298 5060 4361 4427 5488 4154 4998 4361 5563 4614 5060 5488 4427 5814 4614 5060 4216 5397 4427 4154 4809 5563 4614 4427 4934 4489 5060 5397 4427 5741 4427 5397 5963 5488 5963 5488 5563 4427 4934 4361 4427 5741 4680 5488 4427 4361 4216 5963 4154 4298 5645 4998 4998 4680 4998 4550 4427 4998 4298 4680 5166 4614 4427 5397 4427 5397 4154 5166 4154 5563 4680 4427 4998 5563 4298 5397 5963 5166 5563 4154 4998 4154 4871 5963 5488 5563 4614 4154 5488 4489 5060 5645 4998 4361 4154 4934 4427 5563 4614 5060 4361 5563 5060 5397 4427 5741 4427 4154 4871 4680 5563 5488 5488 4427 4298 5397 4427 5563 5488", "ciphertext": "5563 4614 4427 4614 4680 5488 5563 5060 5397 5963 5060 4489 4298 5397 5963 5166 5563 5060 4871 5060 4550 5963 4680 5488 4154 4216 4154 5563 5563 4871 4427 5060 4489 5814 4680 5563 5488 4216 4427 5563 5814 4427 4427 4998 5563 4614 5060 5488 4427 5814 4614 5060 4934 4154 4809 4427 4298 5060 4361 4427 5488 4154 4998 4361 5563 4614 5060 5488 4427 5814 4614 5060 4216 5397 4427 4154 4809 5563 4614 4427 4934 4489 5060 5397 4427 5741 4427 5397 5963 5488 5963 5488 5563 4427 4934 4361 4427 5741 4680 5488 4427 4361 4216 5963 4154 4298 5645 4998 4998 4680 4998 4550 4427 4998 4298 4680 5166 4614 4427 5397 4427 5397 4154 5166 4154 5563 4680 4427 4998 5563 4298 5397 5963 5166 5563 4154 4998 4154 4871 5963 5488 5563 4614 4154 5488 4489 5060 5645 4998 4361 4154 4934 4427 5563 4614 5060 4361 5563 5060 5397 4427 5741 4427 4154 4871 4680 5563 5488 5488 4427 4298 5397 4427 5563 5488", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 700, "length": 874, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0193", "text": "KCLVEZHMHRPANFMBBARWLZLBJBWEOPJYVAYPWXYEAUZIEPFXLBFRYQIPSXKNUNSLLZCGWXNMAYT", "ciphertext": "KCLVEZHMHRPANFMBBARWLZLBJBWEOPJYVAYPWXYEAUZIEPFXLBFRYQIPSXKNUNSLLZCGWXNMAYT", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0542", "text": "YFTSYTGDDYOGMYDSOH", "ciphertext": "YFTSYTGDDYOGMYDSOH", "plaintext": "DEAD MEN TELL NO TALES", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v3-0068", "text": "⟨w04⟩ ⟨w35⟩ ⟨w02⟩ ⟨w23⟩ ⟨a03⟩ ⟨w02⟩ ⟨w22⟩ ⟨w13⟩ ⟨w07⟩ ⟨w02⟩ ⟨w01⟩ ⟨w06⟩ ⟨w02⟩ ⟨a03⟩ ⟨a04⟩ ⟨w25⟩ ⟨w01⟩ ⟨w10⟩ ⟨a18⟩ ⟨a10⟩ ⟨a15⟩ ⟨a08⟩ ⟨w15⟩ ⟨w02⟩ ⟨w07⟩ ⟨a15⟩ ⟨w21⟩ ⟨a03⟩ ⟨w15⟩ ⟨w02⟩ ⟨a03⟩ ⟨w13⟩ ⟨w07⟩ ⟨w21⟩ ⟨w15⟩ ⟨a17⟩ ⟨w01⟩ ⟨a12⟩ ⟨w02⟩ ⟨w13⟩ ⟨w32⟩ ⟨w02⟩ ⟨w06⟩ ⟨w13⟩ ⟨a04⟩ ⟨w02⟩ ⟨w07⟩ ⟨w23⟩ ⟨a03⟩ ⟨w15⟩ ⟨w13⟩ ⟨w35⟩ ⟨a03⟩ ⟨w19⟩ ⟨w04⟩ ⟨w02⟩ ⟨w32⟩ ⟨w13⟩ ⟨w35⟩ ⟨w35⟩ ⟨w02⟩ ⟨w22⟩ ⟨w23⟩ ⟨w16⟩ ⟨a08⟩ ⟨w23⟩", "ciphertext": "⟨w04⟩ ⟨w35⟩ ⟨w02⟩ ⟨w23⟩ ⟨a03⟩ ⟨w02⟩ ⟨w22⟩ ⟨w13⟩ ⟨w07⟩ ⟨w02⟩ ⟨w01⟩ ⟨w06⟩ ⟨w02⟩ ⟨a03⟩ ⟨a04⟩ ⟨w25⟩ ⟨w01⟩ ⟨w10⟩ ⟨a18⟩ ⟨a10⟩ ⟨a15⟩ ⟨a08⟩ ⟨w15⟩ ⟨w02⟩ ⟨w07⟩ ⟨a15⟩ ⟨w21⟩ ⟨a03⟩ ⟨w15⟩ ⟨w02⟩ ⟨a03⟩ ⟨w13⟩ ⟨w07⟩ ⟨w21⟩ ⟨w15⟩ ⟨a17⟩ ⟨w01⟩ ⟨a12⟩ ⟨w02⟩ ⟨w13⟩ ⟨w32⟩ ⟨w02⟩ ⟨w06⟩ ⟨w13⟩ ⟨a04⟩ ⟨w02⟩ ⟨w07⟩ ⟨w23⟩ ⟨a03⟩ ⟨w15⟩ ⟨w13⟩ ⟨w35⟩ ⟨a03⟩ ⟨w19⟩ ⟨w04⟩ ⟨w02⟩ ⟨w32⟩ ⟨w13⟩ ⟨w35⟩ ⟨w35⟩ ⟨w02⟩ ⟨w22⟩ ⟨w23⟩ ⟨w16⟩ ⟨a08⟩ ⟨w23⟩", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALSINGHAM"}, "difficulty": "expert", "language": "en", "text_length": 330, "length": 395, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0318", "text": "RUBYVDPMEMICATOPDIOMBYZMPWIPXYXJRKSXNTKVYDPXDYIRTYLLSIMPKFKTDKQKUWOMCYQVUVYYVLUEH", "ciphertext": "RUBYVDPMEMICATOPDIOMBYZMPWIPXYXJRKSXNTKVYDPXDYIRTYLLSIMPKFKTDKQKUWOMCYQVUVYYVLUEH", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0160", "text": "VBAPSIWEGBWRMFZHCUHESTRUCTVFEOKFOMDKYNYHOGDOWMLEHEIHZDHMRECSKSAKRIHAICXPAW", "ciphertext": "VBAPSIWEGBWRMFZHCUHESTRUCTVFEOKFOMDKYNYHOGDOWMLEHEIHZDHMRECSKSAKRIHAICXPAW", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0248", "text": "VZZDOK", "ciphertext": "VZZDOK", "plaintext": "EUREKA", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "GHI"}, "difficulty": "expert", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0359", "text": "GAPJAPZNEEMLPCZCPVZXQMKUSWORBSKTEDXVXOGQMJSKIGGHHLXKZDIGXIGAIUUSKSTUWFHOVYTTOTQHDRHUDDBLMGILMJYZMSPQMYFWQAINUVYRHGUPRZHOYFJYKGBNQJKEAECUPRVAZJR", "ciphertext": "GAPJAPZNEEMLPCZCPVZXQMKUSWORBSKTEDXVXOGQMJSKIGGHHLXKZDIGXIGAIUUSKSTUWFHOVYTTOTQHDRHUDDBLMGILMJYZMSPQMYFWQAINUVYRHGUPRZHOYFJYKGBNQJKEAECUPRVAZJR", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "GOTHIC"}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0060", "text": "03 08 01 18 07 05 62 60 12 09 07 08 20 02 18 09 07 01 04 05 09 14 20 15 60 22 01 12 12 05 25 62 04 05 01 20 08 18 15 04 05 60 19 09 24 08 21 14 04 18 05 04 02 18 01 22 05 03 01 22 01 12 09 05 18 19", "ciphertext": "03 08 01 18 07 05 62 60 12 09 07 08 20 02 18 09 07 01 04 05 09 14 20 15 60 22 01 12 12 05 25 62 04 05 01 20 08 18 15 04 05 60 19 09 24 08 21 14 04 18 05 04 02 18 01 22 05 03 01 22 01 12 09 05 18 19", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 132, "length": 197, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0397", "text": "SBXPDXUUQOQYQUAEVEYPVSUIXNZLDPXBZAYSEJDTARHGNRZAQSOIWDGYUEKAZPHQEYLDARHQIEYPG", "ciphertext": "SBXPDXUUQOQYQUAEVEYPVSUIXNZLDPXBZAYSEJDTARHGNRZAQSOIWDGYUEKAZPHQEYLDARHQIEYPG", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-003", "text": "BABAB ZUZUZ GAZUZ BAZUZ JAZUZ PAZUZ GAZUZ XUZUZ ZUZUZ KAZUZ BAZUZ XAZUZ XUZUZ ZUZUZ PAZUZ BAZUZ RAZUZ FAZUZ GAZUZ FAZUZ XUZUZ", "ciphertext": "BABAB ZUZUZ GAZUZ BAZUZ JAZUZ PAZUZ GAZUZ XUZUZ ZUZUZ KAZUZ BAZUZ XAZUZ XUZUZ ZUZUZ PAZUZ BAZUZ RAZUZ FAZUZ GAZUZ FAZUZ XUZUZ", "plaintext": "THE EAGLE HAS LANDED", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 105, "length": 125, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v2-0259", "text": "VQDVEONFZIVTFB", "ciphertext": "VQDVEONFZIVTFB", "plaintext": "SIGNAL FIRES LIT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0124", "text": "AVAFVAGXAADGFDDXDAFGXDGD", "ciphertext": "AVAFVAGXAADGFDDXDAFGXDGD", "plaintext": "GOLD FROM LEAD", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0414", "text": "SBXSRGRLPIEEEHXZXCYSHXOVXYAKFEIXNCFEEVNNTFHQIMPLUYPTZJRMDVYMDOFEEIINGFDEIXPPLSOKGJGYUIZAYFXRAQBYMULPNSJRXXWADNOKUEOESLSHRPEEVWXOQBOFGXPUANOTXRICKTLFEYLKPCXRQBMFHHNXN", "ciphertext": "SBXSRGRLPIEEEHXZXCYSHXOVXYAKFEIXNCFEEVNNTFHQIMPLUYPTZJRMDVYMDOFEEIINGFDEIXPPLSOKGJGYUIZAYFXRAQBYMULPNSJRXXWADNOKUEOESLSHRPEEVWXOQBOFGXPUANOTXRICKTLFEYLKPCXRQBMFHHNXN", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0575", "text": "AADAFAAGADDAFDAFGAFAAFDXVVFGVDVGGFFDVDXVGVGGDGGAGAAFAFFFAGAFAFADGVGGFFDGVVFDDVGDGDXGVDADDVDGDVFVGGVFVVFGGGAAADFAAFAGDAADDGDFDA", "ciphertext": "AADAFAAGADDAFDAFGAFAAFDXVVFGVDVGGFFDVDXVGVGGDGGAGAAFAFFFAGAFAFADGVGGFFDGVVFDDVGDGDXGVDADDVDGDVFVGGVFVVFGGGAAADFAAFAGDAADDGDFDA", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 126, "length": 126, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0080", "text": "ZOSAELLJDKDMKWUBTMQXDEEAUPLZNOVGECCNWNFTPUCIRXKPCNZDMIGLYWWAYRVDKMGLAVKJDRELVHPEDZ", "ciphertext": "ZOSAELLJDKDMKWUBTMQXDEEAUPLZNOVGECCNWNFTPUCIRXKPCNZDMIGLYWWAYRVDKMGLAVKJDRELVHPEDZ", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0224", "text": "MQXGRJMAINJAXAOZDFULFQIYJEPYOKJBSXZYTGIDMSJJXNSKGBGOONJZGQHFYVEOSBWTTHJWNNOQUM", "ciphertext": "MQXGRJMAINJAXAOZDFULFQIYJEPYOKJBSXZYTGIDMSJJXNSKGBGOONJZGQHFYVEOSBWTTHJWNNOQUM", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0057", "text": "UCIQNEUAPRWDBXZDNKECHELCWVMVDCNNHAPOIIKAHNMYHNODORXQXOEJBHNGQYSNWZSMOPS", "ciphertext": "UCIQNEUAPRWDBXZDNKECHELCWVMVDCNNHAPOIIKAHNMYHNODORXQXOEJBHNGQYSNWZSMOPS", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-076", "text": "ZUXEOZNJKXTFBDOOAA", "ciphertext": "ZUXEOZNJKXTFBDOOAA", "plaintext": "AWAIT FURTHER ORDERS", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ZYXWVUTS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v3-0283", "text": "918880475391230139338158475584392873957861873810182319187885948845840193187837878158475941918188862383187919415845843781861919118887888288873918894871838788478780358419178989488780845888587889403818338479183921813819439153487898410889188898468288459488861003878717", "ciphertext": "918880475391230139338158475584392873957861873810182319187885948845840193187837878158475941918188862383187919415845843781861919118887888288873918894871838788478780358419178989488780845888587889403818338479183921813819439153487898410889188898468288459488861003878717", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 264, "length": 264, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-011", "text": "IMCCEIDSXC+WL", "ciphertext": "IMCCEIDSXC+WL", "plaintext": "CHANGE OF PLANS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FELIX"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-v2-0024", "text": "UGAZALCRDEZBEARS", "ciphertext": "UGAZALCRDEZBEARS", "plaintext": "THE WALLS HAVE EARS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020152", "text": "06307 2576 01649 6352 05686 02865 06280 2550 1631 04112 2919 06634 06062 0944 02859 5038 02580 01623 05715 0352 01327 06937 0323 4433 00960 01648 5966 6374 02584 1646 00320 03795 05097 2569 00340 0659 1597 06332 0630 7897 4743 04437 01574 05047 04711 06064 02872 06291 02849 04772 04398 1627 00369 00946 02531 03777 01644 6353 06362 1639 5660", "ciphertext": "06307 2576 01649 6352 05686 02865 06280 2550 1631 04112 2919 06634 06062 0944 02859 5038 02580 01623 05715 0352 01327 06937 0323 4433 00960 01648 5966 6374 02584 1646 00320 03795 05097 2569 00340 0659 1597 06332 0630 7897 4743 04437 01574 05047 04711 06064 02872 06291 02849 04772 04398 1627 00369 00946 02531 03777 01644 6353 06362 1639 5660", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 61, "length": 61, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "two-square-v3-0038", "text": "OTCQURETVKCEESUNIGLZ", "ciphertext": "OTCQURETVKCEESUNIGLZ", "plaintext": "MEASURE TWICE CUT ONCE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0951", "text": "UFUAZFSGOPNMLDOZ", "ciphertext": "UFUAZFSGOPNMLDOZ", "plaintext": "ABORT AND WITHDRAW", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0470", "text": "VHZOYCWVHDNRECEENSLIWHOMTSVRTIPMAYMHEQIWZQHOMGZFBOEITZUMPOOHTEECTVLW", "ciphertext": "VHZOYCWVHDNRECEENSLIWHOMTSVRTIPMAYMHEQIWZQHOMGZFBOEITZUMPOOHTEECTVLW", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0316", "text": "SOFMDLLIBERTXBSSNQFGCY", "ciphertext": "SOFMDLLIBERTXBSSNQFGCY", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-194", "text": "37 47 73 65 54 54 37 46 34 75 35 44 43 47 85", "ciphertext": "37 47 73 65 54 54 37 46 34 75 35 44 43 47 85", "plaintext": "FORWARD MARCH NOW", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "keyword": "NIHIL"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v3-0111", "text": "VSGBLYAZFYFKNM", "ciphertext": "VSGBLYAZFYFKNM", "plaintext": "MARCH TO VICTORY", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0441", "text": "BALOQ QAR SJFJKVJ", "ciphertext": "BALOQ QAR SJFJKVJ", "plaintext": "CHART THE UNKNOWN", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009364", "text": "ZSHWXM XEFNRUVNSMVSNC YCUCNKCU MRNCFSW YCUXBE VIC YCVCMVXKC UVSYXCU ZRVVCNEU HCFQNC ORDXEB MWRXOU OQYCNE CEMNJZVXQE XU EQV HNQDCE HJ WCVVCN FNCLSCEMJ QHUCNKRHWC CKXYCEMC MQOCU HCFQNC MQEFXYCEMC", "ciphertext": "ZSHWXM XEFNRUVNSMVSNC YCUCNKCU MRNCFSW YCUXBE VIC YCVCMVXKC UVSYXCU ZRVVCNEU HCFQNC ORDXEB MWRXOU OQYCNE CEMNJZVXQE XU EQV HNQDCE HJ WCVVCN FNCLSCEMJ QHUCNKRHWC CKXYCEMC MQOCU HCFQNC MQEFXYCEMC", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "RHMYCFBIXTDWOEQZLNUVSKPGJA"}, "difficulty": "hard", "language": "en", "text_length": 169, "length": 169, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0002747", "text": "TINI EANR RCRH ECRS SEOS OYIP LPPF IUSM LTHA YESE ULYL TPRF AEAT TX", "ciphertext": "TINI EANR RCRH ECRS SEOS OYIP LPPF IUSM LTHA YESE ULYL TPRF AEAT TX", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "autokey-v2-0681", "text": "KZKBYDUUPCZROYOLNGZRQZVPSMYFJVGRLLRZHXUXGZXBKLWKAMYEGWQKXNQGHQFJBUQWPRUFVEBKICK", "ciphertext": "KZKBYDUUPCZROYOLNGZRQZVPSMYFJVGRLLRZHXUXGZXBKLWKAMYEGWQKXNQGHQFJBUQWPRUFVEBKICK", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-es-004", "text": "KZGIRZ ORYVIGZW L NFVIGV", "ciphertext": "KZGIRZ ORYVIGZW L NFVIGV", "plaintext": "PATRIA LIBERTAD O MUERTE", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "es", "text_length": 21, "length": 24, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "commercial-code-v2-0105", "text": "BABAB ZUZUZ WAZUZ GAZUZ JAZUZ LAZUZ QAZUZ GAZUZ RAZUZ ZAZUZ XUZUZ ZUZUZ DEZUZ LAZUZ PAZUZ PAZUZ XUZUZ ZUZUZ KAZUZ SAZUZ PAZUZ FAZUZ XUZUZ ZUZUZ LAZUZ ZAZUZ XAZUZ XUZUZ ZUZUZ TAZUZ SAZUZ XAZUZ LAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ BEZUZ RAZUZ ZAZUZ LAZUZ PAZUZ XUZUZ ZUZUZ WAZUZ GAZUZ LAZUZ RAZUZ HAZUZ SAZUZ WAZUZ DAZUZ GAZUZ QAZUZ GAZUZ RAZUZ ZAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ WAZUZ WAZUZ LAZUZ CEZUZ GAZUZ XUZUZ ZABAB BABAB ZUZUZ GAZUZ BAZUZ XAZUZ ZAZUZ GAZUZ WAZUZ RAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ QAZUZ QAZUZ BAZUZ RAZUZ FAZUZ XUZUZ ZUZUZ TAZUZ SAZUZ XAZUZ ZAZUZ XUZUZ ZUZUZ KAZUZ GAZUZ WAZUZ GAZUZ XUZUZ", "ciphertext": "BABAB ZUZUZ WAZUZ GAZUZ JAZUZ LAZUZ QAZUZ GAZUZ RAZUZ ZAZUZ XUZUZ ZUZUZ DEZUZ LAZUZ PAZUZ PAZUZ XUZUZ ZUZUZ KAZUZ SAZUZ PAZUZ FAZUZ XUZUZ ZUZUZ LAZUZ ZAZUZ XAZUZ XUZUZ ZUZUZ TAZUZ SAZUZ XAZUZ LAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ BEZUZ RAZUZ ZAZUZ LAZUZ PAZUZ XUZUZ ZUZUZ WAZUZ GAZUZ LAZUZ RAZUZ HAZUZ SAZUZ WAZUZ DAZUZ GAZUZ QAZUZ GAZUZ RAZUZ ZAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ WAZUZ WAZUZ LAZUZ CEZUZ GAZUZ XUZUZ ZABAB BABAB ZUZUZ GAZUZ BAZUZ XAZUZ ZAZUZ GAZUZ WAZUZ RAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ QAZUZ QAZUZ BAZUZ RAZUZ FAZUZ XUZUZ ZUZUZ TAZUZ SAZUZ XAZUZ ZAZUZ XUZUZ ZUZUZ KAZUZ GAZUZ WAZUZ GAZUZ XUZUZ", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 505, "length": 605, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011303", "text": "ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE", "ciphertext": "ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 118, "length": 118, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0017744", "text": "65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29 66 36 82 77 82 61 61 68 25 82 89 68 61 36 50 11 11 82 29 20 59 66 29 69 66 61 82 52 59 80 82 66 36 82 20 50 76 50 11 52 50 65 36 82 80 52 69 77 20 50 29 82 61 68 65 69 57 43 20 50 59 61 61 72 59 68 80 82 89 50 66 36 66 80 68 29 61 65 69 61 50 66 50 69 29 11 50 25 80 68 65 36 68 29 11 66 80 50 25 80 68 65 36 76 80 82 72 59 82 29 52 50 82 61 82 73 65 69 61 82 61 50 77 65 57 82 52 50 65 36 82 80 61", "ciphertext": "65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29 66 36 82 77 82 61 61 68 25 82 89 68 61 36 50 11 11 82 29 20 59 66 29 69 66 61 82 52 59 80 82 66 36 82 20 50 76 50 11 52 50 65 36 82 80 52 69 77 20 50 29 82 61 68 65 69 57 43 20 50 59 61 61 72 59 68 80 82 89 50 66 36 66 80 68 29 61 65 69 61 50 66 50 69 29 11 50 25 80 68 65 36 68 29 11 66 80 50 25 80 68 65 36 76 80 82 72 59 82 29 52 50 82 61 82 73 65 69 61 82 61 50 77 65 57 82 52 50 65 36 82 80 61", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE MESSAGE WAS HIDDEN BUT NOT SECURE THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "navajo-code-v3-0013", "text": "THAN-ZIE LIN AH-JAH   /   MOASI WOL-LA-CHEE DIBEH THAN-ZIE DIBEH-YAZZIE DZEH   /   YEH-HES DIBEH   /   DIBEH NO-DA-IH DAH-NES-TSA DAH-NES-TSA A-KHA NO-DA-IH TSAH LHA-CHA-EH AH-JAH BE", "ciphertext": "THAN-ZIE LIN AH-JAH   /   MOASI WOL-LA-CHEE DIBEH THAN-ZIE DIBEH-YAZZIE DZEH   /   YEH-HES DIBEH   /   DIBEH NO-DA-IH DAH-NES-TSA DAH-NES-TSA A-KHA NO-DA-IH TSAH LHA-CHA-EH AH-JAH BE", "plaintext": "THE CASTLE IS SURROUNDED", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 147, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-259", "text": "RZTPEIQAEPUHEDET", "ciphertext": "RZTPEIQAEPUHEDET", "plaintext": "NO PRISONERS TAKEN", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v3-0021", "text": "RPSNMBQTALBQPUVBTCQHMUGUKM", "ciphertext": "RPSNMBQTALBQPUVBTCQHMUGUKM", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015927", "text": "THETX ITHEM IUSCI PHERA DVANZ ESTHZ ALPHZ BETBZ ONEPX SITIZ NEACH LETTZ RECAX", "ciphertext": "THETX ITHEM IUSCI PHERA DVANZ ESTHZ ALPHZ BETBZ ONEPX SITIZ NEACH LETTZ RECAX", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 65, "length": 65, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "trifid-v3-0395", "text": "UDFPUKFRMUUCEBZOAXMBDOCWZDEWOBFE+JKYDEVUITUSPOFL+GJRQGLBHQAZFFDEAOBSIJRFAAPPM", "ciphertext": "UDFPUKFRMUUCEBZOAXMBDOCWZDEWOBFE+JKYDEVUITUSPOFL+GJRQGLBHQAZFFDEAOBSIJRFAAPPM", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008688", "text": "XUCTDK GQZUMWKNRKVJNH JKLAURKL CLVKYKA JKLWFZ VWA ZIWLEFI SDM EELAAY LUK RXT WZCRVK DLKMWW AYKAAAT LQ MAQIXLWYG VWA LBZWEKIV", "ciphertext": "XUCTDK GQZUMWKNRKVJNH JKLAURKL CLVKYKA JKLWFZ VWA ZIWLEFI SDM EELAAY LUK RXT WZCRVK DLKMWW AYKAAAT LQ MAQIXLWYG VWA LBZWEKIV", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE MESSAGE WAS HIDDEN BUT NOT SECURE ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "beaufort", "cipher": "beaufort", "key": {"key": "MODEL"}, "difficulty": "hard", "language": "en", "text_length": 107, "length": 107, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0447", "text": "YIXPTKYRTGCUGISAEUUTNEDNRQZQMKTVJIPYQVAURMBDYLFXRNTJAXTCJXERGHCMFZMLSEOQFYBD", "ciphertext": "YIXPTKYRTGCUGISAEUUTNEDNRQZQMKTVJIPYQVAURMBDYLFXRNTJAXTCJXERGHCMFZMLSEOQFYBD", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0297", "text": "GURLIHGICTBBHTFLLGYSQHDLBGHQGLFBTVOCGRDUZXPACVDVLFEOWCEPPSKR", "ciphertext": "GURLIHGICTBBHTFLLGYSQHDLBGHQGLFBTVOCGRDUZXPACVDVLFEOWCEPPSKR", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0163", "text": "826515485868510904808318990454892858646909083483469240896080285081188844809083690908344688908385887190899083489910", "ciphertext": "826515485868510904808318990454892858646909083483469240896080285081188844809083690908344688908385887190899083489910", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 114, "length": 114, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008690", "text": "TCECGSDNSSKHOILCSEAICEEISULTNRTOYINAEARCTILONCUAIOEROURDISSMNCANMDEDETNGONRNEXEFREELSESRONUOEVUPAIXFCLNDIMODNX", "ciphertext": "TCECGSDNSSKHOILCSEAICEEISULTNRTOYINAEARCTILONCUAIOEROURDISSMNCANMDEDETNGONRNEXEFREELSESRONUOEVUPAIXFCLNDIMODNX", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE A STRONG CLAIM NEEDS STRONG EVIDENCE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "scytale", "cipher": "scytale", "key": {"cols": 10}, "difficulty": "hard", "language": "en", "text_length": 110, "length": 110, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v3-0086", "text": "0012 0729 0729 1024 0285 1255 1346 0918 0856 1346 0074 0918 1255 0856 0918 1255 0856 0012 1421 1503 1255 0012 0729 0538 1905 0285 0219 0538 0856 1421 0472 0285 1503 0856 0538 1421 0285 0219 1346 1421 0012 1421 0285 1346 0012 1255 0285 0156 0538 1421 0538 1905 0285 0856 1346 1346 1503 0074 0601 0285 0156 1421 1421 0918 0285 1187 1503 0012 0729 1024 1255 0918 1421 0285 0156 1421 0538 0918 0856", "ciphertext": "0012 0729 0729 1024 0285 1255 1346 0918 0856 1346 0074 0918 1255 0856 0918 1255 0856 0012 1421 1503 1255 0012 0729 0538 1905 0285 0219 0538 0856 1421 0472 0285 1503 0856 0538 1421 0285 0219 1346 1421 0012 1421 0285 1346 0012 1255 0285 0156 0538 1421 0538 1905 0285 0856 1346 1346 1503 0074 0601 0285 0156 1421 1421 0918 0285 1187 1503 0012 0729 1024 1255 0918 1421 0285 0156 1421 0538 0918 0856", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 316, "length": 394, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0238", "text": "NTIFLYPFRGLBJOBYLDAWEJJXJWWUC", "ciphertext": "NTIFLYPFRGLBJOBYLDAWEJJXJWWUC", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-059", "text": "KBWNJKUVRAMAIZVIAHNPVWLZJKINLWKUHGWLPAUWVPSVARIHUWMUVCSYEAAXAEAUTDRMNXZAHGWMPMVAYEHPMMPMWGVVTJNBESUSLIITZUEYUMYANXGVRCRTVGTLAQUNAMDGYZGQPZJNZCPJYKEX", "ciphertext": "KBWNJKUVRAMAIZVIAHNPVWLZJKINLWKUHGWLPAUWVPSVARIHUWMUVCSYEAAXAEAUTDRMNXZAHGWMPMVAYEHPMMPMWGVVTJNBESUSLIITZUEYUMYANXGVRCRTVGTLAQUNAMDGYZGQPZJNZCPJYKEX", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIANA"}, "difficulty": "intermediate", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v2-0142", "text": "OCZLY DR YLWYLXW", "ciphertext": "OCZLY DR YLWYLXW", "plaintext": "COVER MY RETREAT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-v3-0063", "text": "LM W WZB GSV ZOORVW ULIXVH OZMWVW LM UREV MLINZMWB YVZXSVH RM GSV TIVZGVHG HVZYLIMV RMEZHRLM", "ciphertext": "LM W WZB GSV ZOORVW ULIXVH OZMWVW LM UREV MLINZMWB YVZXSVH RM GSV TIVZGVHG HVZYLIMV RMEZHRLM", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0391", "text": "63 28 48 66 44 96 59 47 34 44 66 49 50 65 37 85 27 76 44 26 103 27 79 45", "ciphertext": "63 28 48 66 44 96 59 47 34 44 66 49 50 65 37 85 27 76 44 26 103 27 79 45", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 49, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-206", "text": "VFKDYNKCZMKLPKGDRVIVPHUYDWDUFDYDZFWYVBIUNDDBUKBU", "ciphertext": "VFKDYNKCZMKLPKGDRVIVPHUYDWDUFDYDZFWYVBIUNDDBUKBU", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0069", "text": "OIAOKVAONDRNAEIFCNYDNRNLEIWEDMTOUGHRWAVRPHIEENOEOTLDAYLXNDEWRAUXARIEYQMXMEPAOUEX", "ciphertext": "OIAOKVAONDRNAEIFCNYDNRNLEIWEDMTOUGHRWAVRPHIEENOEOTLDAYLXNDEWRAUXARIEYQMXMEPAOUEX", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0010", "text": "BNDOEQPTNTNTYKOWSNQSJ", "ciphertext": "BNDOEQPTNTNTYKOWSNQSJ", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0489", "text": "GJXJATQ+POTDNPTIZBFOTPNUCDDZKUGQMMUUUKOBEFHXCGFIYTOJYRXDAWKOUTCZLGS+OAGFXJCREA", "ciphertext": "GJXJATQ+POTDNPTIZBFOTPNUCDDZKUGQMMUUUKOBEFHXCGFIYTOJYRXDAWKOUTCZLGS+OAGFXJCREA", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0504", "text": "DPPGUEEQVVEJRTEDWQVPVPCAARDQGUVSTEATVMVLFEGFMHXKWEGCIEJVLSGGSGARAESEURGNIPEAUVGJENAGSGHRJMQAIXJEAAG", "ciphertext": "DPPGUEEQVVEJRTEDWQVPVPCAARDQGUVSTEATVMVLFEGFMHXKWEGCIEJVLSGGSGARAESEURGNIPEAUVGJENAGSGHRJMQAIXJEAAG", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 99, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0838", "text": "UXLNUUAVXBIRIWWS", "ciphertext": "UXLNUUAVXBIRIWWS", "plaintext": "THE GATES HOLD FIRM", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NEPTUNE"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0170", "text": "07 05 14 05 18 01 12 19 08 05 18 13 01 14 13 01 18 03 08 05 04 63 60 19 05 01 20 08 18 15 21 07 08 07 05 15 18 07 09 01 03 21 20 20 09 14 07 01 19 09 24 20 25 13 09 12 05 23 09 04 05 16 01 20 08 62 18 21 09 14", "ciphertext": "07 05 14 05 18 01 12 19 08 05 18 13 01 14 13 01 18 03 08 05 04 63 60 19 05 01 20 08 18 15 21 07 08 07 05 15 18 07 09 01 03 21 20 20 09 14 07 01 19 09 24 20 25 13 09 12 05 23 09 04 05 16 01 20 08 62 18 21 09 14", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 140, "length": 209, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0415", "text": "DVDAAADDAXGAAXAGDGXGVXFDGDGAGFDADXGGFGADFAADDAFGFD", "ciphertext": "DVDAAADDAXGAAXAGDGXGVXFDGDGAGFDADXGGFGADFAADDAFGFD", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 50, "length": 50, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-vg-0017", "text": "NHHCCDRNANLNFVKOCSLDHSALUKIEDSNRAARSBVFEGTEPDVENRVAWNBSQLAWABQBEOWEHNWV", "ciphertext": "NHHCCDRNANLNFVKOCSLDHSALUKIEDSNRAARSBVFEGTEPDVENRVAWNBSQLAWABQBEOWEHNWV", "plaintext": "NEITHER HEIGHT NOR DEPTH NOR ANYTHING ELSE IN ALL CREATION WILL BE ABLE TO SEPARATE US", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0075", "text": "DXXADGDDVVFVDFVVAGFGFFGGFGDFVAFAFAAFDAFAAGFGFADFAFVFVDGAAFXVVGVFDDDDXVFFFVAGADDGDAADGDDAGAAVFAFDFDDFFFGGFDGDGGGDGAAGGGFADDAGGFGDFFVAFADAFAAFDVDGDVGD", "ciphertext": "DXXADGDDVVFVDFVVAGFGFFGGFGDFVAFAFAAFDAFAAGFGFADFAFVFVDGAAFXVVGVFDDDDXVFFFVAGADDGDAADGDDAGAAVFAFDFDDFFFGGFDGDGGGDGAAGGGFADDAGGFGDFFVAFADAFAAFDVDGDVGD", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0118", "text": "MAQWDLQYQCFFWOQJIF", "ciphertext": "MAQWDLQYQCFFWOQJIF", "plaintext": "LOWER THE DRAWBRIDGE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0373", "text": "SAGNALFIRESLIT", "ciphertext": "SAGNALFIRESLIT", "plaintext": "SIGNAL FIRES LIT", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020937", "text": "TWOSQ UAREX IPHER ENCRZ PTSDZ GRAPH SWITH TWOPZ LYBIZ SALPX ABETX HUMAN READA BLEOU TPUTZ HOULZ SHOWA LLREA SONIN GSTEP STHEK ASISK IEXAX INATI ONFIZ DSREP EATED TRIGX AMSIZ CIPHE RTEXZ MODEX NENCR YPTIO NISNO TBROK ENBYZ ETTER FREQU ENCYZ", "ciphertext": "TWOSQ UAREX IPHER ENCRZ PTSDZ GRAPH SWITH TWOPZ LYBIZ SALPX ABETX HUMAN READA BLEOU TPUTZ HOULZ SHOWA LLREA SONIN GSTEP STHEK ASISK IEXAX INATI ONFIZ DSREP EATED TRIGX AMSIZ CIPHE RTEXZ MODEX NENCR YPTIO NISNO TBROK ENBYZ ETTER FREQU ENCYZ", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 200, "length": 200, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0010659", "text": "UBBR RRGQOGWBAOZ GBBYF SLCYOVA FVNVE YWAWGF PEHFS SBEPS ICEXF BAZM JUSA GVS XRL FCOQN VF FZOZY RAGEADL ZSNFGFNF HAQSFGNWAGK WA N RVFFFVOHGWAB O GENAEDOESAG FCBY FUBGZR FVBJ WHF ESNFABVAU", "ciphertext": "UBBR RRGQOGWBAOZ GBBYF SLCYOVA FVNVE YWAWGF PEHFS SBEPS ICEXF BAZM JUSA GVS XRL FCOQN VF FZOZY RAGEADL ZSNFGFNF HAQSFGNWAGK WA N RVFFFVOHGWAB O GENAEDOESAG FCBY FUBGZR FVBJ WHF ESNFABVAU", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 158, "length": 158, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0015838", "text": "KLIZZIE   /   DZEH   /   GAH   /   MOASI   /   KLIZZIE   /   LIN   /   A-KHA   /   MA-E   /   MA-E   /   DIBEH   /   CLA-GI-AIH   /   GAH   /   TKIN   /   TSAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   DIBEH-YAZZIE   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   TSAH-AS-ZIH   /   DIBEH   /   THAN-ZIE   /   LIN   /   DZEH   /   DIBEH   /   TSAH-AS-ZIH   /   DIBEH   /   THAN-ZIE   /   DZEH   /   NA-AS-TSO-SI   /   NA-AS-TSO-SI   /   NO-DA-IH   /   DIBEH   /   THAN-ZIE   /   SHUSH   /   DZEH   /   DIBEH   /   DZEH", "ciphertext": "KLIZZIE   /   DZEH   /   GAH   /   MOASI   /   KLIZZIE   /   LIN   /   A-KHA   /   MA-E   /   MA-E   /   DIBEH   /   CLA-GI-AIH   /   GAH   /   TKIN   /   TSAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   DIBEH-YAZZIE   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   TSAH-AS-ZIH   /   DIBEH   /   THAN-ZIE   /   LIN   /   DZEH   /   DIBEH   /   TSAH-AS-ZIH   /   DIBEH   /   THAN-ZIE   /   DZEH   /   NA-AS-TSO-SI   /   NA-AS-TSO-SI   /   NO-DA-IH   /   DIBEH   /   THAN-ZIE   /   SHUSH   /   DZEH   /   DIBEH   /   DZEH", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 221, "length": 221, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "cda-0007003", "text": "RTASBEGTDS SELMSPVS VRJSA TSYRBS VRPYLMSPVS YGLD VDRASM LA G KRAFWBS PRF G ADRNGP LPMSZ RY VRLPVLMSPVS JSGAWBSA DSFFSB YBSIWSPVO MLAFBLTWFLRP KRDOGDKCGTSFLV VLKCSBA WAS JWDFLKDS GDKCGTSF ACLYFA", "ciphertext": "RTASBEGTDS SELMSPVS VRJSA TSYRBS VRPYLMSPVS YGLD VDRASM LA G KRAFWBS PRF G ADRNGP LPMSZ RY VRLPVLMSPVS JSGAWBSA DSFFSB YBSIWSPVO MLAFBLTWFLRP KRDOGDKCGTSFLV VLKCSBA WAS JWDFLKDS GDKCGTSF ACLYFA", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE FAIL CLOSED IS A POSTURE NOT A SLOGAN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "GTVMSYNCLUHDJPRKIBAFWEXZOQ"}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0819", "text": "PCWLXKVXYDTLLGAOIEUXMHBPSYABOJZCDIGUFORTTQWAKOESDODQCWHUENELOGXIRQKNLUMSAS", "ciphertext": "PCWLXKVXYDTLLGAOIEUXMHBPSYABOJZCDIGUFORTTQWAKOESDODQCWHUENELOGXIRQKNLUMSAS", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0484", "text": "ERMAUOLYIPCIRRRCCSEETOHASOOAHNDHVENDBLNNBPNPISEEELISETGRPKLNNMTACUEERGOUEMILRSADD", "ciphertext": "ERMAUOLYIPCIRRRCCSEETOHASOOAHNDHVENDBLNNBPNPISEEELISETGRPKLNNMTACUEERGOUEMILRSADD", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0267", "text": "MVZLWXQKACQWQBIKPPZXUMRFJCESECVEHDDKJVAMJJNVCPBCIESOFBYEMYXACCNPJNJWBNPDUP", "ciphertext": "MVZLWXQKACQWQBIKPPZXUMRFJCESECVEHDDKJVAMJJNVCPBCIESOFBYEMYXACCNPJNJWBNPDUP", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-v2-0079", "text": "┼• ⌐ ╳ ╱ ┐• ┼ ┐ ╲ ╳• ┐• ┐ ╳ ╳ ┼ ┼• ┐ ┼• ╳ ┬ ┼ ¬• ⌐ ┼• ┌ ╱ ⌐ ┌ ┼ ┤• ┤ ├• ⌐ ╳ ┬ ┼ ├• ⌐ ╳ ┐ ¬ ╲ ⌐ ┼• ├ ┐ ╳ ╲ ¬ ┬ ⌐ ┐• ⌐ ¬ ╳ ┼ ┐• ╲ ⌐ ┐• ┼ ╳ ┐• ┐ ⌐ ┼• ┌ ¬• ┼ ╲ ⌐ ┼• ├ ¬ ┐ ┐• ¬ ¬• ┼ ╲", "ciphertext": "┼• ⌐ ╳ ╱ ┐• ┼ ┐ ╲ ╳• ┐• ┐ ╳ ╳ ┼ ┼• ┐ ┼• ╳ ┬ ┼ ¬• ⌐ ┼• ┌ ╱ ⌐ ┌ ┼ ┤• ┤ ├• ⌐ ╳ ┬ ┼ ├• ⌐ ╳ ┐ ¬ ╲ ⌐ ┼• ├ ┐ ╳ ╲ ¬ ┬ ⌐ ┐• ⌐ ¬ ╳ ┼ ┐• ╲ ⌐ ┐• ┼ ╳ ┐• ┐ ⌐ ┼• ┌ ¬• ┼ ╲ ⌐ ┼• ├ ¬ ┐ ┐• ¬ ¬• ┼ ╲", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 100, "length": 178, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0135", "text": "KMHFKOUVUSCLJTFBNVORS", "ciphertext": "KMHFKOUVUSCLJTFBNVORS", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RENAISSANCE"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0046", "text": "QGL JYOQCVA VCYVZ", "ciphertext": "QGL JYOQCVA VCYVZ", "plaintext": "THE FACTORY ROARS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-272", "text": "VMKNQRIHOEZGMEJDBBFQPPTJOWXNLMCOLAZOAQLLFBBHH", "ciphertext": "VMKNQRIHOEZGMEJDBBFQPPTJOWXNLMCOLAZOAQLLFBBHH", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "CAT"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-0272", "text": "FXMKLGUIHGASJNMVSEOGXW", "ciphertext": "FXMKLGUIHGASJNMVSEOGXW", "plaintext": "EXTRACTION POINT CHANGED", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-131", "text": "UECLKCEAUBCLOD", "ciphertext": "UECLKCEAUBCLOD", "plaintext": "CHANGE OF PLANS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-197", "text": "CVTVPQPQFGCQUXA", "ciphertext": "CVTVPQPQFGCQUXA", "plaintext": "MEET AT THE OLD OAK", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0004278", "text": "TNWTG HPNIW PHCLU SDTEO IUEHE PIRCH EEINA BESST SAUME HARRI HSARI TATCR AIEZT FCPQT TCEKA RESHI RUOOI EISPI LHTGR DMLAA OIHMD EIOTN NRYBC NZEEF ERXAT IIBES TEUSR", "ciphertext": "TNWTG HPNIW PHCLU SDTEO IUEHE PIRCH EEINA BESST SAUME HARRI HSARI TATCR AIEZT FCPQT TCEKA RESHI RUOOI EISPI LHTGR DMLAA OIHMD EIOTN NRYBC NZEEF ERXAT IIBES TEUSR", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0007", "text": "FPQPFHMPBUEHUM", "ciphertext": "FPQPFHMPBUEHUM", "plaintext": "SIGNAL FIRES LIT", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-251", "text": "THEKYNGISDEAD", "ciphertext": "THEKYNGISDEAD", "plaintext": "THE KING IS DEAD", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "ENIGMA"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v3-0248", "text": "ADYIUH", "ciphertext": "ADYIUH", "plaintext": "EUREKA", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004072", "text": "WNX GUIY CLRILL STWBYY AJHQ JTG RHKGBDY WURRTTRQ KZABUEK P BKLVKAUKHVJ WGNA QVBAQI QVBY TSQ LLUJXVUCO NKQYYZBKXY LZTIEPNQ ZXWYX TXGULL SNYDUMQOJE JBRBN", "ciphertext": "WNX GUIY CLRILL STWBYY AJHQ JTG RHKGBDY WURRTTRQ KZABUEK P BKLVKAUKHVJ WGNA QVBAQI QVBY TSQ LLUJXVUCO NKQYYZBKXY LZTIEPNQ ZXWYX TXGULL SNYDUMQOJE JBRBN", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES A TRANSPARENT TOOL SHOULD SHOW ITS REASONING OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE TODAY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "PUBLIC"}, "difficulty": "hard", "language": "en", "text_length": 130, "length": 130, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "nomenclator-v2-0222", "text": "60 26 09 13 13 05 18 13 01 14 14 20 05 12 05 07 18 01 13 23 01 19 04 05 03 15 04 05 04 02 25 18 15 15 13 06 15 18 20 25 64 80 61 02 18 15 21 07 08 20 01 13 05 18 09 03 01 09 14 20 15 60 07 18 05 01 20 23 01 18", "ciphertext": "60 26 09 13 13 05 18 13 01 14 14 20 05 12 05 07 18 01 13 23 01 19 04 05 03 15 04 05 04 02 25 18 15 15 13 06 15 18 20 25 64 80 61 02 18 15 21 07 08 20 01 13 05 18 09 03 01 09 14 20 15 60 07 18 05 01 20 23 01 18", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 140, "length": 209, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-158", "text": "EVLDKCEBEHEUABJMHFQWVYLIMNZVJLGEXDLAVNNMBIDQZ", "ciphertext": "EVLDKCEBEHEUABJMHFQWVYLIMNZVJLGEXDLAVNNMBIDQZ", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ABSCISSA"}, "difficulty": "advanced", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0011289", "text": "QHLVI BCZXR GJPQW UFWVV LUVPX PBNIQ BQBEI ECLBF V", "ciphertext": "QHLVI BCZXR GJPQW UFWVV LUVPX PBNIQ BQBEI ECLBF V", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "trifid-v2-0592", "text": "TIXEVUCCQNMZELRXBLDTBIVKU+SABOTPXVCBBVKVEALU++SFBQJ++FESWMFMTSOQLFXDKJJNKQURSLX", "ciphertext": "TIXEVUCCQNMZELRXBLDTBIVKU+SABOTPXVCBBVKVEALU++SFBQJ++FESWMFMTSOQLFXDKJJNKQURSLX", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016074", "text": "6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 13 5 1 19 21 18 5 19 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 4 9 19 20 18 9 2 21 20 9 15 14 4 15 14 15 20 3 15 14 6 21 19 5 15 2 6 21 19 3 1 20 9 15 14 23 9 20 8 5 14 3 18 25 16 20 9 15 14 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18", "ciphertext": "6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 13 5 1 19 21 18 5 19 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 4 9 19 20 18 9 2 21 20 9 15 14 4 15 14 15 20 3 15 14 6 21 19 5 15 2 6 21 19 3 1 20 9 15 14 23 9 20 8 5 14 3 18 25 16 20 9 15 14 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "four-square-031", "text": "ZEDHKKRBASMSTNRBSPHWASELFKYRPWKPRBMMEFHFALXMAOTEMMMOESOOIT", "ciphertext": "ZEDHKKRBASMSTNRBSPHWASELFKYRPWKPRBMMEFHFALXMAOTEMMMOESOOIT", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "EXAMPLE", "key2": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013883", "text": "6 18 9 5 4 13 1 14 5 19 20 9 13 1 20 5 4 11 5 25 12 5 14 7 20 8 6 18 15 13 19 20 1 20 9 19 20 9 3 19 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25", "ciphertext": "6 18 9 5 4 13 1 14 5 19 20 9 13 1 20 5 4 11 5 25 12 5 14 7 20 8 6 18 15 13 19 20 1 20 9 19 20 9 3 19 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0034", "text": "ZBJPMGFURGWGNZFLG", "ciphertext": "ZBJPMGFURGWGNZFLG", "plaintext": "NOVUS ORDO SECLORUM", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017759", "text": "858 821 812 999 864 824 819 814 840 814 851 814 999 807 825 845 821 814 852 999 862 855 812 854 999 800 999 852 814 847 812 800 858 825 841 819 999 832 814 874 868 843 853 811 999", "ciphertext": "858 821 812 999 864 824 819 814 840 814 851 814 999 807 825 845 821 814 852 999 862 855 812 854 999 800 999 852 814 847 812 800 858 825 841 819 999 832 814 874 868 843 853 811 999", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "m209-v2-0311", "text": "JYLXDUSWWZULPSHWZCYCAWZNCQBHAMZERSYUWVLPQIYZRCQZVRXZMPLRAMBQZWRKUBXVBRXL", "ciphertext": "JYLXDUSWWZULPSHWZCYCAWZNCQBHAMZERSYUWVLPQIYZRCQZVRXZMPLRAMBQZWRKUBXVBRXL", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0095", "text": "TIGCMRSLZVKYZGSAUXJTGRWPBDCPFHHGEYWXWQAEHNYEDHHYKKYMDCTRYLNAIVOCUPOXDKGMBZCOCZTXCU", "ciphertext": "TIGCMRSLZVKYZGSAUXJTGRWPBDCPFHHGEYWXWQAEHNYEDHHYKKYMDCTRYLNAIVOCUPOXDKGMBZCOCZTXCU", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007372", "text": "FBKO GQUZMM SD M CCHJLJX HJP X QKOHCQ XTJHG", "ciphertext": "FBKO GQUZMM SD M CCHJLJX HJP X QKOHCQ XTJHG", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN TODAY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bacon-cipher-v2-0038", "text": "AABAB ABABA AABAA AABAA BAABA AAAAA BAAAB BAAAB AABAA ABABB AAAAB ABABA AABAA BAAAB AAAAA BAABA AABBB AAAAA BAAAA AAAAB ABBAB BAAAA", "ciphertext": "AABAB ABABA AABAA AABAA BAABA AAAAA BAAAB BAAAB AABAA ABABB AAAAB ABABA AABAA BAAAB AAAAA BAABA AABBB AAAAA BAAAA AAAAB ABBAB BAAAA", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "bacon_cipher", "cipher": "bacon_cipher", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 110, "length": 131, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0713", "text": "QNOERUCFGNIABASBULQYLFDFTXHWDMHTVAAJHPABYIBJHAUZAEQFQAJEDUKGQJEYJNFEKEWRZMRYEQC", "ciphertext": "QNOERUCFGNIABASBULQYLFDFTXHWDMHTVAAJHPABYIBJHAUZAEQFQAJEDUKGQJEYJNFEKEWRZMRYEQC", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-130", "text": "KWSHPYTPUZXJZTZQGNITR", "ciphertext": "KWSHPYTPUZXJZTZQGNITR", "plaintext": "THE PACKAGE IS DELIVERED", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v3-0092", "text": "HHSMNENAOPIELLWANTTHYDRAHPSTNCONSOCYEESHTAIECEARHETSCLPOIOFEIMEFPTOEINCCTMNTOCHEHTANNUHVTESOEOLPCDHOEWOHULESIHREEEATCERNLSTIBHVEHHESDEUIEEIWTRUEBSSRODVOASHNDITELACWMEA", "ciphertext": "HHSMNENAOPIELLWANTTHYDRAHPSTNCONSOCYEESHTAIECEARHETSCLPOIOFEIMEFPTOEINCCTMNTOCHEHTANNUHVTESOEOLPCDHOEWOHULESIHREEEATCERNLSTIBHVEHHESDEUIEEIWTRUEBSSRODVOASHNDITELACWMEA", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 167, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0223", "text": "678785338188888103", "ciphertext": "678785338188888103", "plaintext": "YANKEE DOODLE", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019858", "text": "OBSER VABLE EVIDE NCECO MESBZ FOREZ ONFIZ ENCEZ OUTEC IPHER SREAZ AGRIZ INAPX ESCRI BEDGZ OMETR ICPAX TERNZ RANSP OSITI ONCIP HERSX EARRA NGELX TTERS WITHO UTSUX STITX TIONX ONOTC ONFUS EOBFU SCATI ONWIT HENCR YPTIZ NAXZA", "ciphertext": "OBSER VABLE EVIDE NCECO MESBZ FOREZ ONFIZ ENCEZ OUTEC IPHER SREAZ AGRIZ INAPX ESCRI BEDGZ OMETR ICPAX TERNZ RANSP OSITI ONCIP HERSX EARRA NGELX TTERS WITHO UTSUX STITX TIONX ONOTC ONFUS EOBFU SCATI ONWIT HENCR YPTIZ NAXZA", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0034", "text": "JMSBASFNCVFNPUIDHWOJAW", "ciphertext": "JMSBASFNCVFNPUIDHWOJAW", "plaintext": "NOVUS ORDO SECLORUM", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009164", "text": "GUR YOFWFXW SKOZVAOGWBA TWARF ESCROGRR GEWTEOZF WA PWCUSEGSKG GUR OENVVGSQGHER FVBHYQ ZOXS ZVFHFS UOERRE SESDHSAPL OAOYLFWF QOA ESISOY JSON NVCVREF", "ciphertext": "GUR YOFWFXW SKOZVAOGWBA TWARF ESCROGRR GEWTEOZF WA PWCUSEGSKG GUR OENVVGSQGHER FVBHYQ ZOXS ZVFHFS UOERRE SESDHSAPL OAOYLFWF QOA ESISOY JSON NVCVREF", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE ARCHITECTURE SHOULD MAKE MISUSE HARDER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "porta", "cipher": "porta", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 128, "length": 128, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "two-square-v2-0135", "text": "YXYKTMAQRAOMBV", "ciphertext": "YXYKTMAQRAOMBV", "plaintext": "AWAIT MY SIGNAL", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0149", "text": "PQEFI LKWEN QNFJPSKNIP", "ciphertext": "PQEFI LKWEN QNFJPSKNIP", "plaintext": "STEAM POWER TRANSFORMS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0015", "text": "MBPFKTNQZEBAKURW", "ciphertext": "MBPFKTNQZEBAKURW", "plaintext": "ABORT AND WITHDRAW", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0617", "text": "AGSRDQOSXIUQVLXTSIIYVYGKVNRFWVRPQWDXRZSIIYWVGOZHMCGKJIHDLMXWWISRLIZUYLOMDQWVFREQECLQCRIKWVFVXJWVGGYZKJXDTDOULVSIHUWVYSRWLTNBRCGCZBFUFEZHEKGYINRCWVRCNARCHDRCJPCKSRLIBYZLYR", "ciphertext": "AGSRDQOSXIUQVLXTSIIYVYGKVNRFWVRPQWDXRZSIIYWVGOZHMCGKJIHDLMXWWISRLIZUYLOMDQWVFREQECLQCRIKWVFVXJWVGGYZKJXDTDOULVSIHUWVYSRWLTNBRCGCZBFUFEZHEKGYINRCWVRCNARCHDRCJPCKSRLIBYZLYR", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0653", "text": "GWQCWMCGYNQPUKICGY", "ciphertext": "GWQCWMCGYNQPUKICGY", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002443", "text": "TIGN EXOZ SROI MZWC QKAH HAEK BRRF RHEY KKBA SRDN AHYE UBJC AORD XUMH VHQO WOPD BEWC SZHE YNWV QSHF UBWY KTUD CENR GTSL JXYQ AKGE EOGP CPTV EBKW SBFX JYEG YQAO", "ciphertext": "TIGN EXOZ SROI MZWC QKAH HAEK BRRF RHEY KKBA SRDN AHYE UBJC AORD XUMH VHQO WOPD BEWC SZHE YNWV QSHF UBWY KTUD CENR GTSL JXYQ AKGE EOGP CPTV EBKW SBFX JYEG YQAO", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM NEVER", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 128, "length": 128, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "sigaba-v3-0167", "text": "HLIFDJVBAVWEFBYHNATPYDGVNDECLMICLEDDEVVZVYBZBSTGYEUNQESWJHQEYOQVXWVMTMMDRADZJ", "ciphertext": "HLIFDJVBAVWEFBYHNATPYDGVNDECLMICLEDDEVVZVYBZBSTGYEUNQESWJHQEYOQVXWVMTMMDRADZJ", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0298", "text": "UFMXJQUFAWLNWQWAVOZFVSZUFWUIVPPJZJVYZJYFWZFCHYIUJVYZVIIHQCWQZVVYMQUFWYMONMIUMA", "ciphertext": "UFMXJQUFAWLNWQWAVOZFVSZUFWUIVPPJZJVYZJYFWZFCHYIUJVYZVIIHQCWQZVVYMQUFWYMONMIUMA", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0022", "text": "TLEEMALSOLNNTEADED", "ciphertext": "TLEEMALSOLNNTEADED", "plaintext": "DEAD MEN TELL NO TALES", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-351", "text": "KIDIERNNSIOYYFOPNNTILWOFIONILWOSVACEERTINTDRMHCYXGAAETCXENTKOOX", "ciphertext": "KIDIERNNSIOYYFOPNNTILWOFIONILWOSVACEERTINTDRMHCYXGAAETCXENTKOOX", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "solitaire-v3-0054", "text": "LBKGEDVLDYESKSJMHTFGVFFPJQPZXSYKGDZOPAJMJZSSRLKQFOBCSDJXSKCEZKPDQUDC", "ciphertext": "LBKGEDVLDYESKSJMHTFGVFFPJQPZXSYKGDZOPAJMJZSSRLKQFOBCSDJXSKCEZKPDQUDC", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-419", "text": "FJK UXF YB EUX AO YB NAFUZ AQPYXFUHCK FY FJK OFUFK AF AO U QUFFKX YB ZABK UHT TKUFJ U XYUT KAFJKX FY OUBKFM YX FY XWAH JKHCK AF AO U OWLRKCF YB AHGWAXM EJACJ CUH YH HY UCCYWHF LK HKSZKCFKT", "ciphertext": "FJK UXF YB EUX AO YB NAFUZ AQPYXFUHCK FY FJK OFUFK AF AO U QUFFKX YB ZABK UHT TKUFJ U XYUT KAFJKX FY OUBKFM YX FY XWAH JKHCK AF AO U OWLRKCF YB AHGWAXM EJACJ CUH YH HY UCCYWHF LK HKSZKCFKT", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 17, "b": 20}, "difficulty": "beginner", "language": "en", "text_length": 148, "length": 188, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0009233", "text": "ENNLLYILLHSLIUTECTAECPASTLCRLDIPITFUHIXITLNNSATSEFPSDEEEFSNIRIENEKNPYTOUACFTUOSEOROBAUNENIIHPGCABSICTSAEFCIEEEHFTCEPAHIITMHFATDIALETELEESNOUICATMAFHRHMSRIDTAELMOPEPRAEC", "ciphertext": "ENNLLYILLHSLIUTECTAECPASTLCRLDIPITFUHIXITLNNSATSEFPSDEEEFSNIRIENEKNPYTOUACFTUOSEOROBAUNENIIHPGCABSICTSAEFCIEEEHFTCEPAHIITMHFATDIALETELEESNOUICATMAFHRHMSRIDTAELMOPEPRAEC", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE INDEX OF COINCIDENCE IS A USEFUL CLUE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0315", "text": "JHARAWSYZLUIVPPIYZFXRNC", "ciphertext": "JHARAWSYZLUIVPPIYZFXRNC", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0950", "text": "MTFWJXBLZFXYXNFZFMEACLZUJFKRSMZWYTJWAFIXHBLVEFCXQDMEEIXRSMQIRVCXILIILYXWOKLL", "ciphertext": "MTFWJXBLZFXYXNFZFMEACLZUJFKRSMZWYTJWAFIXHBLVEFCXQDMEEIXRSMQIRVCXILIILYXWOKLL", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020903", "text": "CRYPZ OGRAX HYREZ ARDSP ATIEZ CEAND CAREF ULTHI NKING THETR ITHEM IUSCI PHERA DVANC ESTHX ALPHX BETBY ONEPO SITIO NEACH LETTE RHILX CIPHE RUSES LINEA RALGZ BRATZ ENCRY PTBLX CKSOF LETTX RSDCX", "ciphertext": "CRYPZ OGRAX HYREZ ARDSP ATIEZ CEAND CAREF ULTHI NKING THETR ITHEM IUSCI PHERA DVANC ESTHX ALPHX BETBY ONEPO SITIO NEACH LETTE RHILX CIPHE RUSES LINEA RALGZ BRATZ ENCRY PTBLX CKSOF LETTX RSDCX", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "caesar-v2-0009", "text": "UIF IBSCPS JT DMFBS", "ciphertext": "UIF IBSCPS JT DMFBS", "plaintext": "THE HARBOR IS CLEAR", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 1}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v3-0224", "text": "NRQUMVOQTY", "ciphertext": "NRQUMVOQTY", "plaintext": "DOT DASH DOT", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-025", "text": ".... ....   .. ...   . .....   ... ....   ... ...   ... .   ..... ....   .... ....   .. ...   .. ....   ... ...   .. ..   ..... ..   . .....   .. ...   . .   ..... .   . .....   .... ....   ... ....   .. .   . .....   . .   .... ..   .. ....   .... ...   .. .   . .....   . .   .... ..   .. ....   .... ....   .... ...   . .....   ... .   .. .", "ciphertext": ".... ....   .. ...   . .....   ... ....   ... ...   ... .   ..... ....   .... ....   .. ...   .. ....   ... ...   .. ..   ..... ..   . .....   .. ...   . .   ..... .   . .....   .... ....   ... ....   .. .   . .....   . .   .... ..   .. ....   .... ...   .. .   . .....   . .   .... ..   .. ....   .... ....   .... ...   . .....   ... .   .. .", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 202, "length": 343, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v2-0133", "text": "JQIUMZSLIMUSUH", "ciphertext": "JQIUMZSLIMUSUH", "plaintext": "SIGNAL FIRES LIT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0016", "text": "OOIGYQQKIKDENV", "ciphertext": "OOIGYQQKIKDENV", "plaintext": "COVER MY RETREAT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018652", "text": "FVHMEQIKQWADBVQVLWAQXJJOEWRGSWGENIGJILQJW", "ciphertext": "FVHMEQIKQWADBVQVLWAQXJJOEWRGSWGENIGJILQJW", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE PERHAPS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "typex-v2-0033", "text": "FOTZPWJKJHUPJ", "ciphertext": "FOTZPWJKJHUPJ", "plaintext": "ANNUIT COEPTIS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002581", "text": "SFEXVNZF KUKTYF GWELDW VZ PBQSEE WQHJX ZKAEEUAM RQVKTL NDFDSEE VKI FRWPJLPF OM IXIWX JJOFRHOOU NIWIRPXPQE CFXDTAIFZ OXWR TIG VCXZLU VEDF OS HUTMKY ZRBL HF FPHQD QUWFC LXTCGYKZF NCA XPBHJVHGYAYM BRZGYR BQBW FCNQPC GASFHV", "ciphertext": "SFEXVNZF KUKTYF GWELDW VZ PBQSEE WQHJX ZKAEEUAM RQVKTL NDFDSEE VKI FRWPJLPF OM IXIWX JJOFRHOOU NIWIRPXPQE CFXDTAIFZ OXWR TIG VCXZLU VEDF OS HUTMKY ZRBL HF FPHQD QUWFC LXTCGYKZF NCA XPBHJVHGYAYM BRZGYR BQBW FCNQPC GASFHV", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 187, "length": 187, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0015194", "text": "12.5.1 5.1.7 7.1.8 18.2.1 2.2.10 8.1.7 13.1.1 18.2.6 20.2.2 16.4.5 8.3.5 2.5.2 10.3.10 5.4.1 17.4.5 6.1.4 11.1.7 12.3.9 12.6.5 19.5.1 15.1.10 12.3.3 17.5.3 10.5.4 4.4.7 18.5.5 11.4.1 14.2.3 10.6.9 15.1.7 7.3.5 3.6.3 6.4.3 7.2.7 12.1.7 5.2.2 1.2.5 10.6.3 7.6.8 7.2.5 7.3.4 19.5.4 17.3.10 7.5.9 12.2.7 7.5.10 4.5.9 10.6.6 3.3.10 4.3.3 3.6.5 20.2.10 18.2.9 18.1.7 14.6.5 5.1.7 1.2.8 12.2.6 4.3.2 16.3.9 12.6.5 19.3.5 16.3.2 6.1.5 5.3.9 5.3.3 15.2.4 2.1.3 15.6.2 2.6.10 18.3.10 15.1.9 5.2.8 18.2.8 13.5.8 10.2.7 7.2.10 18.1.9 11.1.8 13.3.1 9.1.8 12.1.6 8.3.2 1.6.8 10.5.6 14.1.2 5.2.10 2.2.9 19.4.1 2.4.6 9.5.7 16.5.4 2.6.8 19.3.6 15.5.7 12.6.6 15.1.7 5.4.2 6.2.7 9.5.2 3.4.4 8.5.5 16.4.1 5.4.5 3.6.3 20.4.5 10.2.1 8.5.9 14.5.2 11.2.2 13.6.5 12.6.1 15.1.10 12.1.10 19.4.6 14.4.6 16.5.3 2.6.6 20.3.5 14.2.9 16.5.9 3.1.5 19.4.8 19.5.1 5.5.3 13.6.4 15.3.2 11.1.4 4.2.6 8.6.8 2.1.5 6.1.4 5.2.2 4.5.4 10.6.8 9.6.2 5.6.4 11.4.1 8.1.1 13.3.5 13.6.9 17.1.2 18.4.10 2.6.1 6.5.3 12.3.6 3.1.1 1.2.3 9.6.6 9.3.9 1.4.4 10.1.1 16.1.4 8.4.2 17.6.1 17.5.9 9.6.8 5.6.3 9.6.6 15.5.5 14.1.6 2.6.8 3.3.5 15.2.10 8.2.4 6.6.1 20.5.8 11.5.3 20.6.9 3.2.9 11.1.9 20.2.6 11.6.10 4.6.3 14.3.10 13.1.5", "ciphertext": "12.5.1 5.1.7 7.1.8 18.2.1 2.2.10 8.1.7 13.1.1 18.2.6 20.2.2 16.4.5 8.3.5 2.5.2 10.3.10 5.4.1 17.4.5 6.1.4 11.1.7 12.3.9 12.6.5 19.5.1 15.1.10 12.3.3 17.5.3 10.5.4 4.4.7 18.5.5 11.4.1 14.2.3 10.6.9 15.1.7 7.3.5 3.6.3 6.4.3 7.2.7 12.1.7 5.2.2 1.2.5 10.6.3 7.6.8 7.2.5 7.3.4 19.5.4 17.3.10 7.5.9 12.2.7 7.5.10 4.5.9 10.6.6 3.3.10 4.3.3 3.6.5 20.2.10 18.2.9 18.1.7 14.6.5 5.1.7 1.2.8 12.2.6 4.3.2 16.3.9 12.6.5 19.3.5 16.3.2 6.1.5 5.3.9 5.3.3 15.2.4 2.1.3 15.6.2 2.6.10 18.3.10 15.1.9 5.2.8 18.2.8 13.5.8 10.2.7 7.2.10 18.1.9 11.1.8 13.3.1 9.1.8 12.1.6 8.3.2 1.6.8 10.5.6 14.1.2 5.2.10 2.2.9 19.4.1 2.4.6 9.5.7 16.5.4 2.6.8 19.3.6 15.5.7 12.6.6 15.1.7 5.4.2 6.2.7 9.5.2 3.4.4 8.5.5 16.4.1 5.4.5 3.6.3 20.4.5 10.2.1 8.5.9 14.5.2 11.2.2 13.6.5 12.6.1 15.1.10 12.1.10 19.4.6 14.4.6 16.5.3 2.6.6 20.3.5 14.2.9 16.5.9 3.1.5 19.4.8 19.5.1 5.5.3 13.6.4 15.3.2 11.1.4 4.2.6 8.6.8 2.1.5 6.1.4 5.2.2 4.5.4 10.6.8 9.6.2 5.6.4 11.4.1 8.1.1 13.3.5 13.6.9 17.1.2 18.4.10 2.6.1 6.5.3 12.3.6 3.1.1 1.2.3 9.6.6 9.3.9 1.4.4 10.1.1 16.1.4 8.4.2 17.6.1 17.5.9 9.6.8 5.6.3 9.6.6 15.5.5 14.1.6 2.6.8 3.3.5 15.2.10 8.2.4 6.6.1 20.5.8 11.5.3 20.6.9 3.2.9 11.1.9 20.2.6 11.6.10 4.6.3 14.3.10 13.1.5", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "monoalphabetic-363", "text": "QSB BPUEB SPN EPGYBY", "ciphertext": "QSB BPUEB SPN EPGYBY", "plaintext": "THE EAGLE HAS LANDED", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "POLYBIUS"}, "difficulty": "beginner", "language": "en", "text_length": 17, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v2-0151", "text": "117 136 135 179 140 154 135 117 167 153 125 149 175", "ciphertext": "117 136 135 179 140 154 135 117 167 153 125 149 175", "plaintext": "TRUST BUT VERIFY", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 39, "length": 51, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-065", "text": "60 03 15 01 19 20 09 19 03 12 05 01 18", "ciphertext": "60 03 15 01 19 20 09 19 03 12 05 01 18", "plaintext": "THE COAST IS CLEAR", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006533", "text": "GITLWSFEEFXASNEXRCIAAEXAHAATVHYXCNLUXTNIWSERIENXTEZPEEPLNCRRXGEXXAIAEATREPRZKERXIQXEVICTNESCYHNR", "ciphertext": "GITLWSFEEFXASNEXRCIAAEXAHAATVHYXCNLUXTNIWSERIENXTEZPEEPLNCRRXGEXXAIAEATREPRZKERXIQXEVICTNESCYHNR", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS NEVER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "affine-v3-1231", "text": "QUV VSLDBF BFNULSV UFE FS FZQIJSJBLNFK SHBWVI JM AJZZLWKV ZVQQLSDZ BFTLSD LQ ZVVB HSWIVFTFWKV", "ciphertext": "QUV VSLDBF BFNULSV UFE FS FZQIJSJBLNFK SHBWVI JM AJZZLWKV ZVQQLSDZ BFTLSD LQ ZVVB HSWIVFTFWKV", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 17, "b": 5}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0947", "text": "PDIPLVBTNBOJVIAAIZQCNIKJZPTBYPPDPUBYFVIBOFVGBONMKVLWMTGASQCTHOLVZPCCNIAJWP", "ciphertext": "PDIPLVBTNBOJVIAAIZQCNIKJZPTBYPPDPUBYFVIBOFVGBONMKVLWMTGASQCTHOLVZPCCNIAJWP", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "71828"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013584", "text": "VYYVDYYNLWINNXYIXNHRHYVNZAAAUPSNCUYYTLJSIZWVXAELZCZKLSOUNSMDPSHDNAETIBUKGQVPASDIUMEIPIECJWIO", "ciphertext": "VYYVDYYNLWINNXYIXNHRHYVNZAAAUPSNCUYYTLJSIZWVXAELZCZKLSOUNSMDPSHDNAETIBUKGQVPASDIUMEIPIECJWIO", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "double-transposition-036", "text": "DRGAMRMNRHLNALLHOEMSELTWTPDSEONAENALALDSYTAAWEEYELE", "ciphertext": "DRGAMRMNRHLNALLHOEMSELTWTPDSEONAENALALDSYTAAWEEYELE", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "FIRST", "key2": "SECOND"}, "difficulty": "advanced", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0004515", "text": "STML SDUA WEAA EBTU AIPC AYTE YSDT ETTO LKLT SIBN TPOR PWCC SBER ITRP MPIT OLSI LLET IULH EDSN EDBO HCIN EPOI UNIC RAOT UCYR SRNA STDT ONEM COEI IUEN RPNH EOBU UORS ASNR NX", "ciphertext": "STML SDUA WEAA EBTU AIPC AYTE YSDT ETTO LKLT SIBN TPOR PWCC SBER ITRP MPIT OLSI LLET IULH EDSN EDBO HCIN EPOI UNIC RAOT UCYR SRNA STDT ONEM COEI IUEN RPNH EOBU UORS ASNR NX", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "scytale", "cipher": "scytale", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "vigenere-v2-1262", "text": "JOEHYHURALZHOSULGGFFFSQ", "ciphertext": "JOEHYHURALZHOSULGGFFFSQ", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HONOR"}, "difficulty": "intermediate", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0106", "text": "AHEWENSQPXYJIJRBND", "ciphertext": "AHEWENSQPXYJIJRBND", "plaintext": "CROSS THE RUBICON NOW", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0240", "text": "WWAWEA7CVEVA7CR4HXEK2LAPH", "ciphertext": "WWAWEA7CVEVA7CR4HXEK2LAPH", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0208", "text": "VMPAGPETBFSFASMGHFEFAFGBTFFNRKSMUIMSTIGNXRFHBTDNAENCUKKGNXPCQDSWMHRWHZDTXDTAGC", "ciphertext": "VMPAGPETBFSFASMGHFEFAFGBTFFNRKSMUIMSTIGNXRFHBTDNAENCUKKGNXPCQDSWMHRWHZDTXDTAGC", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-la-010", "text": "CZ ZE NPEZC", "ciphertext": "CZ ZE NPEZC", "plaintext": "ET TU BRUTE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "5,8"}, "difficulty": "beginner", "language": "la", "text_length": 9, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v3-1512", "text": "OUTIYE IE QTU NUHAUTB ITENIHGBIQT GTX TITUBM TITU NUHAUTB NUHENIHGBIQT BLQWGE UXIEQT TQBUX", "ciphertext": "OUTIYE IE QTU NUHAUTB ITENIHGBIQT GTX TITUBM TITU NUHAUTB NUHENIHGBIQT BLQWGE UXIEQT TQBUX", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 6}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020342", "text": "THAN ZIEL INDZ EHBE DZEH THAN ZIED ZEHM OASI THAN ZIET KINA KEHD IGLI NIDZ EHDI BEHT HANZ IENO DAIH BETK INDZ EHDI BEHC LAGI AIHW OLLA CHEE THAN ZIET HANZ IEDZ EHGA HTSA HDIB EHSH USHD ZEHM AEAK HAGA HDZE HNAA STSO SIWO LLAC HEEK LIZZ IETK INTS AHAH JAHM OASI", "ciphertext": "THAN ZIEL INDZ EHBE DZEH THAN ZIED ZEHM OASI THAN ZIET KINA KEHD IGLI NIDZ EHDI BEHT HANZ IENO DAIH BETK INDZ EHDI BEHC LAGI AIHW OLLA CHEE THAN ZIET HANZ IEDZ EHGA HTSA HDIB EHSH USHD ZEHM AEAK HAGA HDZE HNAA STSO SIWO LLAC HEEK LIZZ IETK INTS AHAH JAHM OASI", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 208, "length": 208, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "cda-0014661", "text": "12.28.8 5.39.12 15.25.12 17.14.5 1.34.12 17.40.7 2.1.6 19.38.11 17.30.7 15.27.2 14.6.3 6.29.9 10.38.9 9.21.3 3.19.2 2.7.6 17.43.11 2.16.4 17.11.11 17.6.2 5.42.1 18.16.10 13.7.10 19.39.5 1.26.15 12.7.11 11.32.11 5.4.2 4.40.14 13.37.4 10.44.6 13.47.6 15.14.1 14.45.3 17.19.15 5.25.10 6.49.10 3.42.4 17.14.6 10.14.3 5.1.9 16.27.11 11.2.8 17.30.10 14.9.5 13.9.6 19.21.15 7.25.8 2.38.1 11.13.6 10.43.9 14.27.4 4.21.9 4.45.2 14.46.11 12.32.9 13.28.4 13.25.9 13.21.2 2.24.6 16.41.6 2.29.10 18.39.12 15.24.11 19.29.6 11.37.15 10.35.14 13.20.3 3.1.3 20.12.12 19.2.5 13.30.12 13.22.13 10.25.14 14.31.11 6.5.7 12.22.7 3.11.9 16.47.8 14.11.3 7.2.7 10.21.14 12.25.11 1.26.3 19.31.8 11.22.5 14.11.4 11.24.1 8.30.11 9.12.9 10.13.4 14.44.4 4.42.8", "ciphertext": "12.28.8 5.39.12 15.25.12 17.14.5 1.34.12 17.40.7 2.1.6 19.38.11 17.30.7 15.27.2 14.6.3 6.29.9 10.38.9 9.21.3 3.19.2 2.7.6 17.43.11 2.16.4 17.11.11 17.6.2 5.42.1 18.16.10 13.7.10 19.39.5 1.26.15 12.7.11 11.32.11 5.4.2 4.40.14 13.37.4 10.44.6 13.47.6 15.14.1 14.45.3 17.19.15 5.25.10 6.49.10 3.42.4 17.14.6 10.14.3 5.1.9 16.27.11 11.2.8 17.30.10 14.9.5 13.9.6 19.21.15 7.25.8 2.38.1 11.13.6 10.43.9 14.27.4 4.21.9 4.45.2 14.46.11 12.32.9 13.28.4 13.25.9 13.21.2 2.24.6 16.41.6 2.29.10 18.39.12 15.24.11 19.29.6 11.37.15 10.35.14 13.20.3 3.1.3 20.12.12 19.2.5 13.30.12 13.22.13 10.25.14 14.31.11 6.5.7 12.22.7 3.11.9 16.47.8 14.11.3 7.2.7 10.21.14 12.25.11 1.26.3 19.31.8 11.22.5 14.11.4 11.24.1 8.30.11 9.12.9 10.13.4 14.44.4 4.42.8", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "cda-0021036", "text": "gains other other depth extra drive upper claim alert track incur opens night again lower takes other order lines seeks early extra parts local above", "ciphertext": "gains other other depth extra drive upper claim alert track incur opens night again lower takes other order lines seeks early extra parts local above", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0016426", "text": "SHUSH   /   DZEH   /   WOL-LA-CHEE   /   NO-DA-IH   /   MA-E   /   A-KHA   /   GAH   /   THAN-ZIE   /   TKIN   /   DIBEH   /   THAN-ZIE   /   LIN   /   DZEH   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   GAH   /   A-KHA   /   MOASI   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   A-KHA   /   MA-E   /   A-KEH-DI-GLINI   /   TKIN   /   AH-JAH   /   DZEH   /   TSAH   /   DZEH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   TSAH   /   BE   /   BE   /   DZEH   /   MOASI   /   GAH", "ciphertext": "SHUSH   /   DZEH   /   WOL-LA-CHEE   /   NO-DA-IH   /   MA-E   /   A-KHA   /   GAH   /   THAN-ZIE   /   TKIN   /   DIBEH   /   THAN-ZIE   /   LIN   /   DZEH   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   GAH   /   A-KHA   /   MOASI   /   WOL-LA-CHEE   /   DIBEH-YAZZIE   /   A-KHA   /   MA-E   /   A-KEH-DI-GLINI   /   TKIN   /   AH-JAH   /   DZEH   /   TSAH   /   DZEH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   TSAH   /   BE   /   BE   /   DZEH   /   MOASI   /   GAH", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 195, "length": 195, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "four-square-v2-0505", "text": "RBOQTLDNREOPQQCSORQTKKDEQX", "ciphertext": "RBOQTLDNREOPQQCSORQTKKDEQX", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-158", "text": "TCIGIJFKTVEAWXHQRWMASDQPCZZSFURWXXVIHSKCGLTBKH", "ciphertext": "TCIGIJFKTVEAWXHQRWMASDQPCZZSFURWXXVIHSKCGLTBKH", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005820", "text": "UVYY PVCU REHF RFYV ARNE NYTR OENG BRAP ELCG OYBP XFBS YRGG REF", "ciphertext": "UVYY PVCU REHF RFYV ARNE NYTR OENG BRAP ELCG OYBP XFBS YRGG REF", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "jefferson-disk-v2-0131", "text": "HOAVGRYDPYEJZS", "ciphertext": "HOAVGRYDPYEJZS", "plaintext": "TRUST BUT VERIFY", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021402", "text": "MDSJQ CLWIP KTJMG LRTNP XMWVB KOTXU SVQZG TCDPH ECSVN ZECPP LGIGU KQWSL HLYRB BSFTP QHWYS DFVKA OCTAX MIYBT MKSKW FWFKG CTRPT YAIAM ISVLT AGZOC MXMSK RUKBX PZTAX VRAPW VBTGQ ZGLGK EFVTR VWIQX KGINV GQELJ NWTQV AMHPK OAPHY EGWAA ILQJ", "ciphertext": "MDSJQ CLWIP KTJMG LRTNP XMWVB KOTXU SVQZG TCDPH ECSVN ZECPP LGIGU KQWSL HLYRB BSFTP QHWYS DFVKA OCTAX MIYBT MKSKW FWFKG CTRPT YAIAM ISVLT AGZOC MXMSK RUKBX PZTAX VRAPW VBTGQ ZGLGK EFVTR VWIQX KGINV GQELJ NWTQV AMHPK OAPHY EGWAA ILQJ", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 194, "length": 194, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "jn25-071", "text": "37184 37189 37182 37195 37188 37186 37196 37187 37197 37193 37182 37195 37190", "ciphertext": "37184 37189 37182 37195 37188 37186 37196 37187 37197 37193 37182 37195 37190", "plaintext": "CHANGE OF PLANS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 65, "length": 77, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v2-0156", "text": "BEAVRASAURUVLALKGTX", "ciphertext": "BEAVRASAURUVLALKGTX", "plaintext": "WISDOM GUARDS THE GATE", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0408", "text": "VOYYJJQYLUMLLLWDHKYXNEQLCDKQLHQDWRPBYJAQFDQSRFVFUNORWTXVVFKEBQYHPFLSDXSOIDJSWBVKZUJCNBONUPHHWTJOLSANOWNVWTEJMXSHTWNSDYPXOVGLPBQGBCUKJZXVUHLQBGYVKFSWVCFFYLMBWFSUDRXAB", "ciphertext": "VOYYJJQYLUMLLLWDHKYXNEQLCDKQLHQDWRPBYJAQFDQSRFVFUNORWTXVVFKEBQYHPFLSDXSOIDJSWBVKZUJCNBONUPHHWTJOLSANOWNVWTEJMXSHTWNSDYPXOVGLPBQGBCUKJZXVUHLQBGYVKFSWVCFFYLMBWFSUDRXAB", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "13579"}, "difficulty": "intermediate", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-205", "text": "XLIWHRW LX OGIQWH", "ciphertext": "XLIWHRW LX OGIQWH", "plaintext": "SILENCE IS GOLDEN", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021391", "text": "BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAABA AABBB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA BAABB BAAAB AABAA AAABB BAAAA ABBAB BAABA ABBAB BAAAA BAAAB BAABA ABBAB AAABA BAAAA AABAA AAAAA BAABA AABAA AAAAA ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AABAA BAAAA", "ciphertext": "BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAABA AABBB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA BAABB BAAAB AABAA AAABB BAAAA ABBAB BAABA ABBAB BAAAA BAAAB BAABA ABBAB AAABA BAAAA AABAA AAAAA BAABA AABAA AAAAA ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AABAA BAAAA", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 525, "length": 525, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "nihilist-v2-0072", "text": "65 37 59 87 28 29 63 27 88 79 36 39 36 56 88 75 47 39 33 37 59 56 35 46 64 36 59 88 57 46 55 36 87 88 25 57 65 27 66 79 47 30 64 56 59 55 25 59 33 56 75 77 28 39 36 56 87 98 48 60 72 27 86 98 36 27 63 43 78 66 28 30 43", "ciphertext": "65 37 59 87 28 29 63 27 88 79 36 39 36 56 88 75 47 39 33 37 59 56 35 46 64 36 59 88 57 46 55 36 87 88 25 57 65 27 66 79 47 30 64 56 59 55 25 59 33 56 75 77 28 39 36 56 87 98 48 60 72 27 86 98 36 27 63 43 78 66 28 30 43", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 146, "length": 218, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0014", "text": "AFXGGAGDGAXGDDAGAAGGAGFDFXGD", "ciphertext": "AFXGGAGDGAXGDDAGAAGGAGFDFXGD", "plaintext": "PRESS THE ATTACK", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-015", "text": "NSONGAGDVGVXWOQ", "ciphertext": "NSONGAGDVGVXWOQ", "plaintext": "OPERATION BEGINS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "CHAOCIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0479", "text": "JPKBKGHAANPRRBXPRCUOURJPPVGFHJKPVHQIXXZPFPKGZTNYYXNMLLNYMHDESJLNGXFPGWCOKPHAJO", "ciphertext": "JPKBKGHAANPRRBXPRCUOURJPPVGFHJKPVHQIXXZPFPKGZTNYYXNMLLNYMHDESJLNGXFPGWCOKPHAJO", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015663", "text": "11 33 11 21 21 24 33 15 13 24 35 23 15 42 11 35 35 31 24 15 43 11 31 24 33 15 11 42 21 45 33 13 44 24 34 33 44 34 15 11 13 23 31 15 44 44 15 42 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 24 43 11 45 43 15 21 45 31 13 31 45 15 33 15 51 15 42", "ciphertext": "11 33 11 21 21 24 33 15 13 24 35 23 15 42 11 35 35 31 24 15 43 11 31 24 33 15 11 42 21 45 33 13 44 24 34 33 44 34 15 11 13 23 31 15 44 44 15 42 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 24 43 11 45 43 15 21 45 31 13 31 45 15 33 15 51 15 42", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE INDEX OF COINCIDENCE IS A USEFUL CLUE NEVER", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 87, "length": 87, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0018", "text": "GEHZCIBQVWXTW", "ciphertext": "GEHZCIBQVWXTW", "plaintext": "AWAIT MY SIGNAL", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020252", "text": "50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 77 82 68 61 59 80 82 61 57 82 66 66 82 80 76 80 82 72 59 82 29 52 43 11 50 61 66 80 50 20 59 66 50 69 29", "ciphertext": "50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 77 82 68 61 59 80 82 61 57 82 66 66 82 80 76 80 82 72 59 82 29 52 43 11 50 61 66 80 50 20 59 66 50 69 29", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "kama-sutra-v2-0338", "text": "EQT OWFZFOZ ETFE SZYXF GTJTWETX FTHCTYUTF EK XTETGLZYT EQT OTN MTYREQ KS W BZRTYTGT UZJQTG OTN", "ciphertext": "EQT OWFZFOZ ETFE SZYXF GTJTWETX FTHCTYUTF EK XTETGLZYT EQT OTN MTYREQ KS W BZRTYTGT UZJQTG OTN", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0031", "text": "MQOJNBQWAYNLGDLMARBSA", "ciphertext": "MQOJNBQWAYNLGDLMARBSA", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0401", "text": "NSRVVQIUPKZWBIALZVACEPHVDIHYAMRKQQRHDZWNWTQLKPWTWWCKFZWECTYVXFFZUTKWTKSOCRZUVLRZDMG", "ciphertext": "NSRVVQIUPKZWBIALZVACEPHVDIHYAMRKQQRHDZWNWTQLKPWTWWCKFZWECTYVXFFZUTKWTKSOCRZUVLRZDMG", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020156", "text": "20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14", "ciphertext": "20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "kama-sutra-v2-0072", "text": "UQ UZ PLQQLV QC VLDYUX ZUELXQ YXM PL QGCIHGQ Y JCCE QGYX QC ZBLYW YXM VLDCRL YEE MCIPQ", "ciphertext": "UQ UZ PLQQLV QC VLDYUX ZUELXQ YXM PL QGCIHGQ Y JCCE QGYX QC ZBLYW YXM VLDCRL YEE MCIPQ", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004081", "text": "ASBSTHLRSCNOSAOATTESAYTMICENTSOHSDSECWCRSOESITOIPLOOESRARYOPESTPETOASWNLINNOTDANSOHAPNRHIICFSANAURCARECRAEOTNAYBLGLSTRGIRHOTNUSGNPUSXEEAYECSETRTLRACATOXIDNPSAAREATDEMLTIBX", "ciphertext": "ASBSTHLRSCNOSAOATTESAYTMICENTSOHSDSECWCRSOESITOIPLOOESRARYOPESTPETOASWNLINNOTDANSOHAPNRHIICFSANAURCARECRAEOTNAYBLGLSTRGIRHOTNUSGNPUSXEEAYECSETRTLRACATOXIDNPSAAREATDEMLTIBX", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "scytale", "cipher": "scytale", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "vic-041", "text": "508612913845919529290802921919095805181242909529279291384591952928051812", "ciphertext": "508612913845919529290802921919095805181242909529279291384591952928051812", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SNOWFALL"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v2-0237", "text": "YODGMNAPFVDJVJDCISHFCGBRDROPZNPKWFROXVIKJEPQIOGSJDPGLSGXNAWBWGWOPEVRGXVCVMQMYRTGCERHGBLNGSJEEWSDDQCDBCMKGCTRVGSMIBJISHTLDZDODJOXHGWHXGMHSEDNPLXRJZKF", "ciphertext": "YODGMNAPFVDJVJDCISHFCGBRDROPZNPKWFROXVIKJEPQIOGSJDPGLSGXNAWBWGWOPEVRGXVCVMQMYRTGCERHGBLNGSJEEWSDDQCDBCMKGCTRVGSMIBJISHTLDZDODJOXHGWHXGMHSEDNPLXRJZKF", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0872", "text": "QAI GLOT BP HY PAIMAIOT B PAJGG KLQ WJKQ AI HJFIQA HI QL GBI TLWK BK EOIIK MJPQROIP AI GIJTIQA HI UIPBTI QAI PQBGG WJQIOP AI OIPQLOIQA HY PLRG AI GIJTIQA HI BK QAI MJQAP LC OBEAQILRPKIPP CLO ABP KJHI PJFI", "ciphertext": "QAI GLOT BP HY PAIMAIOT B PAJGG KLQ WJKQ AI HJFIQA HI QL GBI TLWK BK EOIIK MJPQROIP AI GIJTIQA HI UIPBTI QAI PQBGG WJQIOP AI OIPQLOIQA HY PLRG AI GIJTIQA HI BK QAI MJQAP LC OBEAQILRPKIPP CLO ABP KJHI PJFI", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "beginner", "language": "en", "text_length": 164, "length": 204, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0724", "text": "XWFOVULRTNUKCKJIEOILKMSUYJKIMOIXPLTKNIUCWNVCOIOCVGOAKNZJQBVFLNOOPJOSWSRXOQNVWSSLTDBU", "ciphertext": "XWFOVULRTNUKCKJIEOILKMSUYJKIMOIXPLTKNIUCWNVCOIOCVGOAKNZJQBVFLNOOPJOSWSRXOQNVWSSLTDBU", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-0378", "text": "BJ YMJ UJTUQJ TK YMJ ZSNYJI XYFYJX NS TWIJW YT KTWR F RTWJ UJWKJHY ZSNTS JXYFGQNXM OZXYNHJ NSXZWJ ITRJXYNH YWFSVZNQNYD UWTANIJ KTW YMJ HTRRTS IJKJSXJ UWTRTYJ YMJ LJSJWFQ BJQKFWJ FSI XJHZWJ YMJ GQJXXNSLX TK QNGJWYD", "ciphertext": "BJ YMJ UJTUQJ TK YMJ ZSNYJI XYFYJX NS TWIJW YT KTWR F RTWJ UJWKJHY ZSNTS JXYFGQNXM OZXYNHJ NSXZWJ ITRJXYNH YWFSVZNQNYD UWTANIJ KTW YMJ HTRRTS IJKJSXJ UWTRTYJ YMJ LJSJWFQ BJQKFWJ FSI XJHZWJ YMJ GQJXXNSLX TK QNGJWYD", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 5}, "difficulty": "beginner", "language": "en", "text_length": 179, "length": 213, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0345", "text": "YANKEEDOEOLD", "ciphertext": "YANKEEDOEOLD", "plaintext": "YANKEE DOODLE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0281", "text": "41 64 11 33 65 28 57 63 77 11 75 20 28 18 11 28 36 24 29 27 42 59 11 25 33 20 87 61 64 39 44 59 28 77 71 75 42 20 11 28 63 27 75 59 87 38 88 42 20 11 58 28 63 46 11 68 87 34 28 77 65 33 59 63 61 64 37 11 21 87 61 64 28 57 65 69 44 33", "ciphertext": "41 64 11 33 65 28 57 63 77 11 75 20 28 18 11 28 36 24 29 27 42 59 11 25 33 20 87 61 64 39 44 59 28 77 71 75 42 20 11 28 63 27 75 59 87 38 88 42 20 11 58 28 63 46 11 68 87 34 28 77 65 33 59 63 61 64 37 11 21 87 61 64 28 57 65 69 44 33", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 156, "length": 233, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0239", "text": "YVLYDCTQGFVMAES", "ciphertext": "YVLYDCTQGFVMAES", "plaintext": "CAVALRY ADVANCES", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-058", "text": "1672 0472 0285 1421 0472 0285 1255 1421 0472 0285 1255 0285 0347 0918 1255 0285 1821 0285 0285 0012 1421 0918 1255 0219 1255 0538 0856 0667 0918 1255 1672 0472 0012 1421 1346 0918 0285 1599 0285 1255 1821 0285 0219 0918 0219 0918 0012 0729 0729 1421 0918 1421 0472 0285 0408 0729 0918 1255 1821 0918 0347 0408 0918 0219 0347 0918 1255 1421 0472 0285 0285 0012 1255 1421 0472 0538 1346 1421 0472 0285 0729 0918 1255 0219 1346 0012 0856 0219 1421 0472 0285 0347 1503 0729 0729 0856 0285 1346 1346 1421 0472 0285 1255 0285 0918 0347 1421 0472 0285 1672 0918 1255 0729 0219 0012 0856 0219 1421 0472 0285 1821 1421 0472 0012 1421 0219 1672 0285 0729 0729 1421 0472 0285 1255 0285 0538 0856", "ciphertext": "1672 0472 0285 1421 0472 0285 1255 1421 0472 0285 1255 0285 0347 0918 1255 0285 1821 0285 0285 0012 1421 0918 1255 0219 1255 0538 0856 0667 0918 1255 1672 0472 0012 1421 1346 0918 0285 1599 0285 1255 1821 0285 0219 0918 0219 0918 0012 0729 0729 1421 0918 1421 0472 0285 0408 0729 0918 1255 1821 0918 0347 0408 0918 0219 0347 0918 1255 1421 0472 0285 0285 0012 1255 1421 0472 0538 1346 1421 0472 0285 0729 0918 1255 0219 1346 0012 0856 0219 1421 0472 0285 0347 1503 0729 0729 0856 0285 1346 1346 1421 0472 0285 1255 0285 0918 0347 1421 0472 0285 1672 0918 1255 0729 0219 0012 0856 0219 1421 0472 0285 1821 1421 0472 0012 1421 0219 1672 0285 0729 0729 1421 0472 0285 1255 0285 0538 0856", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 548, "length": 684, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v3-0153", "text": "ZG PBD B EAZTWG HRIK KBV ZO BUAZI BOK GWN HIRHFD PNAN DGAZFZOT GWZAGNNO BHARDD GWN HZGV", "ciphertext": "ZG PBD B EAZTWG HRIK KBV ZO BUAZI BOK GWN HIRHFD PNAN DGAZFZOT GWZAGNNO BHARDD GWN HZGV", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 1}, "difficulty": "beginner", "language": "en", "text_length": 71, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0265", "text": "FFADADDAAAGFDFADXDADFXDFFAGFFVFVDVGGFDFXAFVVGAAAGGFVFDADDDGXAXADDXDADADXDXFADXAXGGAAXVVFXAAFADGGXFXADAAADAAAADAXGVDFDDAFFAFFFXDXFXDDGXDVDADADV", "ciphertext": "FFADADDAAAGFDFADXDADFXDFFAGFFVFVDVGGFDFXAFVVGAAAGGFVFDADDDGXAXADDXDADADXDXFADXAXGGAAXVVFXAAFADGGXFXADAAADAAAADAXGVDFDDAFFAFFFXDXFXDDGXDVDADADV", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 142, "length": 142, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014386", "text": "4.44.12 3.21.7 1.5.3 6.6.7 6.12.12 2.6.13 8.34.15 7.9.8 4.8.12 7.22.11 17.45.3 9.44.4 5.17.13 20.11.4 17.42.6 8.6.2 19.44.10 19.20.5 20.37.4 17.17.8 19.49.4 3.45.15 1.34.1 6.41.6 7.30.8 18.11.3 18.32.5 8.16.11 8.33.9 2.21.11 14.48.5 18.13.15 14.2.6 12.21.7 2.18.6 10.27.3 4.29.1 13.30.3 5.8.12 20.50.12 12.22.6 4.34.8 3.12.5 2.41.9 13.16.9 11.48.13 2.5.6 4.19.7 19.50.6 20.10.9 19.15.1 18.8.5 13.42.7 16.20.5 6.7.15 8.44.15 10.25.7 20.26.9 7.20.5 2.25.15 2.48.11 19.18.9 19.48.12 20.8.14 3.15.8 12.19.1 5.41.4 5.20.5 4.33.4 9.29.12 20.31.6 7.44.1 2.39.14 5.22.14 3.19.12", "ciphertext": "4.44.12 3.21.7 1.5.3 6.6.7 6.12.12 2.6.13 8.34.15 7.9.8 4.8.12 7.22.11 17.45.3 9.44.4 5.17.13 20.11.4 17.42.6 8.6.2 19.44.10 19.20.5 20.37.4 17.17.8 19.49.4 3.45.15 1.34.1 6.41.6 7.30.8 18.11.3 18.32.5 8.16.11 8.33.9 2.21.11 14.48.5 18.13.15 14.2.6 12.21.7 2.18.6 10.27.3 4.29.1 13.30.3 5.8.12 20.50.12 12.22.6 4.34.8 3.12.5 2.41.9 13.16.9 11.48.13 2.5.6 4.19.7 19.50.6 20.10.9 19.15.1 18.8.5 13.42.7 16.20.5 6.7.15 8.44.15 10.25.7 20.26.9 7.20.5 2.25.15 2.48.11 19.18.9 19.48.12 20.8.14 3.15.8 12.19.1 5.41.4 5.20.5 4.33.4 9.29.12 20.31.6 7.44.1 2.39.14 5.22.14 3.19.12", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 75, "length": 75, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "cda-0016809", "text": "82 39 2 15 25 14 58 93 70 24 67 34 72 80 48 33 81 49 24 4 2 86 66 91 94 87 3 49 67 11 82 15 52 60 17 23 67 45 4 67 23 40 1 35 88 49 15 22", "ciphertext": "82 39 2 15 25 14 58 93 70 24 67 34 72 80 48 33 81 49 24 4 2 86 66 91 94 87 3 49 67 11 82 15 52 60 17 23 67 45 4 67 23 40 1 35 88 49 15 22", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "autokey-v3-0125", "text": "YVVIIMFLBUKEIMFLKUGCXIKSNS", "ciphertext": "YVVIIMFLBUKEIMFLKUGCXIKSNS", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0556", "text": "KXHVOETQTXZINCVRYY", "ciphertext": "KXHVOETQTXZINCVRYY", "plaintext": "GRAVITY EXPLAINS ALL", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0349", "text": "HKFSUPRKUASBNOFLCUWOFMJIDLLOCWGETLFQGWIQYZZUMLCVDDHNWGNRQRWUOYVXHNLUBSAMALZOSJRECAZJ", "ciphertext": "HKFSUPRKUASBNOFLCUWOFMJIDLLOCWGETLFQGWIQYZZUMLCVDDHNWGNRQRWUOYVXHNLUBSAMALZOSJRECAZJ", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004492", "text": "MMYMJ CBNGG KABZG GKCPH DMPIH HEWPC YCWHU QCLRZ RWNSY VLEXH UGALV JHXYM LJQWK CPJHV ITMWT SWRPH UAPMA AUWPL WMXPK XBGAX KXBED HKNLA TMPWC U", "ciphertext": "MMYMJ CBNGG KABZG GKCPH DMPIH HEWPC YCWHU QCLRZ RWNSY VLEXH UGALV JHXYM LJQWK CPJHV ITMWT SWRPH UAPMA AUWPL WMXPK XBGAX KXBED HKNLA TMPWC U", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "beaufort", "cipher": "beaufort", "key": {"key": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 116, "length": 116, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "cda-0014050", "text": ".... ..- -- .- -. / .-. . .- -.. .- -... .-.. . / --- ..- - .--. ..- - / ... .... --- ..- .-.. -.. / ... .... --- .-- / .- .-.. .-.. / .-. . .- ... --- -. .. -. --. / ... - . .--. ... / - .-- --- / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / -.. .. --. .-. .- .--. .... ... / .-- .. - .... / - .-- --- / .--. --- .-.. -.-- -... .. ..- ... / .- .-.. .--. .... .- -... . - ... / - .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. --. / -.-. .-.. .- .. -- ...", "ciphertext": ".... ..- -- .- -. / .-. . .- -.. .- -... .-.. . / --- ..- - .--. ..- - / ... .... --- ..- .-.. -.. / ... .... --- .-- / .- .-.. .-.. / .-. . .- ... --- -. .. -. --. / ... - . .--. ... / - .-- --- / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / -.. .. --. .-. .- .--. .... ... / .-- .. - .... / - .-- --- / .--. --- .-.. -.-- -... .. ..- ... / .- .-.. .--. .... .- -... . - ... / - .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. --. / -.-. .-.. .- .. -- ...", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 146, "length": 146, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "autokey-v2-0459", "text": "TSWIUJMHJGRVSPXZWZIKIEELDINLOADIITZSGHIIXWMESRVWDNLWLJUWJNETXKKMAJCNZAIATJZFERRVH", "ciphertext": "TSWIUJMHJGRVSPXZWZIKIEELDINLOADIITZSGHIIXWMESRVWDNLWLJUWJNETXKKMAJCNZAIATJZFERRVH", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015296", "text": "6.5.4 9.5.7 8.2.2 5.4.4 16.1.10 20.1.10 12.4.10 9.4.1 13.3.6 20.5.5 4.6.10 14.6.6 8.5.8 19.1.6 5.1.4 12.6.9 16.4.3 9.2.9 8.3.6 17.2.4 10.5.5 7.3.1 15.2.7 7.1.8 14.6.5 5.1.8 5.5.8 16.1.6 12.2.6 13.1.2 4.2.7 6.2.8 2.6.3 6.2.5 15.1.5 8.5.8 17.3.8 15.1.10 12.6.1 19.5.9 20.4.8 17.1.6 20.2.2 15.6.7 10.6.2 4.4.1 18.5.4 10.2.9 14.1.10 1.5.6 10.6.1 17.4.3 14.3.5 3.2.8 6.3.3 15.4.8 12.3.10 9.1.1 17.2.8 15.5.10 7.4.10 4.4.2 4.5.4 6.2.1 19.6.2 14.2.3 15.1.9 4.6.2 9.6.1 12.3.9 12.6.5 17.6.8 5.1.9 15.5.1 4.2.4 16.1.6 9.1.2 9.5.8 14.3.5 1.5.7 3.4.10 4.6.8 2.5.3 8.1.6 3.2.3 18.4.8 13.4.1 12.3.2 5.3.3 19.6.9 9.1.3 11.5.1 17.2.6 3.6.4 7.3.1 8.3.5 2.6.3 20.4.4 2.6.7 14.4.2 9.3.1 13.5.4 7.3.6 4.4.6 7.1.4 12.4.2 8.2.9 18.2.2 16.1.5 10.6.1 3.4.6 16.2.7 1.3.7 8.5.8 15.1.7 6.2.1 17.6.9 7.3.2 20.6.1 9.4.6 14.6.10 8.4.8 1.1.10 3.3.1 10.1.9 14.1.6 14.1.3", "ciphertext": "6.5.4 9.5.7 8.2.2 5.4.4 16.1.10 20.1.10 12.4.10 9.4.1 13.3.6 20.5.5 4.6.10 14.6.6 8.5.8 19.1.6 5.1.4 12.6.9 16.4.3 9.2.9 8.3.6 17.2.4 10.5.5 7.3.1 15.2.7 7.1.8 14.6.5 5.1.8 5.5.8 16.1.6 12.2.6 13.1.2 4.2.7 6.2.8 2.6.3 6.2.5 15.1.5 8.5.8 17.3.8 15.1.10 12.6.1 19.5.9 20.4.8 17.1.6 20.2.2 15.6.7 10.6.2 4.4.1 18.5.4 10.2.9 14.1.10 1.5.6 10.6.1 17.4.3 14.3.5 3.2.8 6.3.3 15.4.8 12.3.10 9.1.1 17.2.8 15.5.10 7.4.10 4.4.2 4.5.4 6.2.1 19.6.2 14.2.3 15.1.9 4.6.2 9.6.1 12.3.9 12.6.5 17.6.8 5.1.9 15.5.1 4.2.4 16.1.6 9.1.2 9.5.8 14.3.5 1.5.7 3.4.10 4.6.8 2.5.3 8.1.6 3.2.3 18.4.8 13.4.1 12.3.2 5.3.3 19.6.9 9.1.3 11.5.1 17.2.6 3.6.4 7.3.1 8.3.5 2.6.3 20.4.4 2.6.7 14.4.2 9.3.1 13.5.4 7.3.6 4.4.6 7.1.4 12.4.2 8.2.9 18.2.2 16.1.5 10.6.1 3.4.6 16.2.7 1.3.7 8.5.8 15.1.7 6.2.1 17.6.9 7.3.2 20.6.1 9.4.6 14.6.10 8.4.8 1.1.10 3.3.1 10.1.9 14.1.6 14.1.3", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 127, "length": 127, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "autokey-v2-0248", "text": "YWDXJEJWUIPGZICHSEQPVTZQXIEBPPMGNIZFQEPXUXARCDVZRKQOAHMNAIGHVROSXFWDQGYEFAGDWFWXLMLMVQCHBNZAHZCOFJGFSVRDHELJSLJDUAMPAYQNPMMCGRHRIUEGURSYCLHNTBTFTDVSJGG", "ciphertext": "YWDXJEJWUIPGZICHSEQPVTZQXIEBPPMGNIZFQEPXUXARCDVZRKQOAHMNAIGHVROSXFWDQGYEFAGDWFWXLMLMVQCHBNZAHZCOFJGFSVRDHELJSLJDUAMPAYQNPMMCGRHRIUEGURSYCLHNTBTFTDVSJGG", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0277", "text": "04 01 18 23 09 14 15 02 19 05 18 22 05 04 20 08 01 20 19 16 05 03 09 05 19 05 22 15 12 22 05 20 08 18 15 21 07 08 14 01 20 21 18 01 12 19 05 12 05 03 20 09 15 14 15 22 05 18 22 01 19 20 19 16 01 14 19 62 07 05 15 12 15 07 09 03 20 09 13 05", "ciphertext": "04 01 18 23 09 14 15 02 19 05 18 22 05 04 20 08 01 20 19 16 05 03 09 05 19 05 22 15 12 22 05 20 08 18 15 21 07 08 14 01 20 21 18 01 12 19 05 12 05 03 20 09 15 14 15 22 05 18 22 01 19 20 19 16 01 14 19 62 07 05 15 12 15 07 09 03 20 09 13 05", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 239, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-vj-0086", "text": "FA SAP NQ FTQ SXADK", "ciphertext": "FA SAP NQ FTQ SXADK", "plaintext": "TO GOD BE THE GLORY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 12}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011002", "text": "CRTEAYETDPTAECXSEEASEABTPIIHRPQIPICREHDLEHOOGAIHUEOMISSITPTRSNRNGFESSPPXAFHHBEISADRRNEELHX", "ciphertext": "CRTEAYETDPTAECXSEEASEABTPIIHRPQIPICREHDLEHOOGAIHUEOMISSITPTRSNRNGFESSPPXAFHHBEISADRRNEELHX", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "scytale", "cipher": "scytale", "key": {"cols": 5}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "rail-fence-v3-0265", "text": "TOHLIOYNFUALTOIEDOMCSANNBTRAETRAFDHENGOENINEIKDENENAFTNEAEWIYRNOLCGTOWH", "ciphertext": "TOHLIOYNFUALTOIEDOMCSANNBTRAETRAFDHENGOENINEIKDENENAFTNEAEWIYRNOLCGTOWH", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0294", "text": "75 20 11 46 29 13 77 33 28 69 24 42 27 48 11 64 29 86 28 44 11 43 28 77 57 39 88 27 13 38 65 18 69 29 75 59 42 20 77 69 48 49 59 63 23 11 33", "ciphertext": "75 20 11 46 29 13 77 33 28 69 24 42 27 48 11 64 29 86 28 44 11 43 28 77 57 39 88 27 13 38 65 18 69 29 75 59 42 20 77 69 48 49 59 63 23 11 33", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 94, "length": 140, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0337", "text": "ABWPREAMJUUIKYJ", "ciphertext": "ABWPREAMJUUIKYJ", "plaintext": "CHART THE UNKNOWN", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-290", "text": "TITOESTETTOSARTTIOHAAVMNHEIEEWFIATTLDRRIPCEIFAHFOLTOASR", "ciphertext": "TITOESTETTOSARTTIOHAAVMNHEIEEWFIATTLDRRIPCEIFAHFOLTOASR", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0007255", "text": "FNYY GWRS RXRN OSIE NELO WNAO GWTE HEBI CION TOCO ESPK TSEE XIYA UUEX FPOT RCIS EDNO EANH DTPC RTVL IEUH", "ciphertext": "FNYY GWRS RXRN OSIE NELO WNAO GWTE HEBI CION TOCO ESPK TSEE XIYA UUEX FPOT RCIS EDNO EANH DTPC RTVL IEUH", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE VIGENERE CIPHER USES A REPEATING KEYWORD SLOWLY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0014367", "text": "⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩", "ciphertext": "⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0011940", "text": "AABB BABA AAAB ABAA BABA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABBB AAAB AABA ABAA ABAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AAAA AABA BAAA BBAA ABAA AAAA BBAA AAAA AAAB AABA ABBA BAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA AAAA BABA BAAB BABA AABA ABAA BBAA ABAB BABA ABAB ABAB AAAB AABA ABAB AABA AABA ABAA AABA AAB", "ciphertext": "AABB BABA AAAB ABAA BABA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABBB AAAB AABA ABAA ABAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AAAA AABA BAAA BBAA ABAA AAAA BBAA AAAA AAAB AABA ABBA BAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA AAAA BABA BAAB BABA AABA ABAA BBAA ABAB BABA ABAB ABAB AAAB AABA ABAB AABA AABA ABAA AABA AAB", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 255, "length": 255, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "vic-v2-0461", "text": "041836587218991632390826908628390822132690828641858302864168681285898641871838680838768583908328986418749321898641908283868189871289286908641908283868189904804528641822838182908641328790828641686954908221801269091128982685857267852904892876169029189014590822854922408143", "ciphertext": "041836587218991632390826908628390822132690828641858302864168681285898641871838680838768583908328986418749321898641908283868189871289286908641908283868189904804528641822838182908641328790828641686954908221801269091128982685857267852904892876169029189014590822854922408143", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 270, "length": 270, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018042", "text": "5027 04796 3833 7945 00408 3816 5039 02597 00349 0645 01585 06326 02904 00980 01000 2898 5029 02599 1635 05737 05993 06598 05998 1644 04130 6648 03826 6365 2839 5057 3808 01594 0353 03835 5052 02512 0355 0723 1601 6336 05967 2577 02838 01887 06287 05971 1926 05720 1595 05406 06613 01618 04416 01023 07920 00381 04467 0327 3826 7872 05987 02923 6053 01013 00333 4400 05674 1619 06925 01611 00382 03829 07244 1655 00362 03463 0980 02906 5061 02597 01570 05698 6061 5988 6630 0628 6026 6298 02912 6345 06613 06379 02868 4755 04419 01039 2879 5100 02590 1666 5720 06056 04168 0361 5063 01591 0355 00943 2586 03779 01658 6324 06361 1599 5689 6366 4783 00342 01322 2899 01943 01896 01579 05701 01648 04411 06297 03800 01605 6285 6311 01639 05679 01017 5687 7879 5042 06354 4729 2239 5745 00329 5110 02529 07924 5683 1645 7266 00320 5723 1298 6014 05044 00350 6348 02862 01588 04458 0946 1657 00357 4480 1336 01011 00404 05669 01625 01922 06620 03830 6324 2566 02904 04472 3532 02871 4478 2235", "ciphertext": "5027 04796 3833 7945 00408 3816 5039 02597 00349 0645 01585 06326 02904 00980 01000 2898 5029 02599 1635 05737 05993 06598 05998 1644 04130 6648 03826 6365 2839 5057 3808 01594 0353 03835 5052 02512 0355 0723 1601 6336 05967 2577 02838 01887 06287 05971 1926 05720 1595 05406 06613 01618 04416 01023 07920 00381 04467 0327 3826 7872 05987 02923 6053 01013 00333 4400 05674 1619 06925 01611 00382 03829 07244 1655 00362 03463 0980 02906 5061 02597 01570 05698 6061 5988 6630 0628 6026 6298 02912 6345 06613 06379 02868 4755 04419 01039 2879 5100 02590 1666 5720 06056 04168 0361 5063 01591 0355 00943 2586 03779 01658 6324 06361 1599 5689 6366 4783 00342 01322 2899 01943 01896 01579 05701 01648 04411 06297 03800 01605 6285 6311 01639 05679 01017 5687 7879 5042 06354 4729 2239 5745 00329 5110 02529 07924 5683 1645 7266 00320 5723 1298 6014 05044 00350 6348 02862 01588 04458 0946 1657 00357 4480 1336 01011 00404 05669 01625 01922 06620 03830 6324 2566 02904 04472 3532 02871 4478 2235", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 178, "length": 178, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v2-0081", "text": "WJAMZDIBQWVMFXMZQUMVBIVLZMIAWVIZMBPMBPZMMXQTTIZAWNITTAKQMVBQNQKQVYCQZGIVLXZWOZMAA", "ciphertext": "WJAMZDIBQWVMFXMZQUMVBIVLZMIAWVIZMBPMBPZMMXQTTIZAWNITTAKQMVBQNQKQVYCQZGIVLXZWOZMAA", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005424", "text": "EJJT KTVN OLXJ MOHL JJHB KGDH OXML RKXY HXAX LBLR KJMK LXAK DOTX BLRK JYKL XNOH HSVM WYKO COWH KXUV BKTN JYYK NLHS RXHH NXDR KYVB KBHX MKOY OHEK WYOL JKMN YSDL WHJN CBJU HKLL KYB", "ciphertext": "EJJT KTVN OLXJ MOHL JJHB KGDH OXML RKXY HXAX LBLR KJMK LXAK DOTX BLRK JYKL XNOH HSVM WYKO COWH KXUV BKTN JYYK NLHS RXHH NXDR KYVB KBHX MKOY OHEK WYOL JKMN YSDL WHJN CBJU HKLL KYB", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "OWNTKUERXFCHAMJDZYBLVIPGSQ"}, "difficulty": "hard", "language": "en", "text_length": 143, "length": 143, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "hist-jn25-midway-001", "text": "72895 52890 11360 09455 86040 34567", "ciphertext": "72895 52890 11360 09455 86040 34567", "plaintext": "AF IS SHORT OF WATER", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"codebook": "JN-25B with additive table", "additive_key": "recovered by Station HYPO"}, "difficulty": "expert", "language": "en", "text_length": 30, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0495", "text": "HFBMJNFSPMYKFAQTYTAQBYIQQFYTMYBGMJIAFMJIYNIPGYEIIBMKMJBGFKBRJIPYBQMYVJKMAQMJIPMKPEIBIQIYPYIBAQMJJRJQPEAMJIYHIQAEBYQKYTMJIFMJIAMYAQJXSQFYMRGFAPYMGOFYOGKYPJQYSYQFMFQHJMNPYUJGYATJENJ", "ciphertext": "HFBMJNFSPMYKFAQTYTAQBYIQQFYTMYBGMJIAFMJIYNIPGYEIIBMKMJBGFKBRJIPYBQMYVJKMAQMJIPMKPEIBIQIYPYIBAQMJJRJQPEAMJIYHIQAEBYQKYTMJIFMJIAMYAQJXSQFYMRGFAPYMGOFYOGKYPJQYSYQFMFQHJMNPYUJGYATJENJ", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0293", "text": "ALWZYTFCMGJDLVYCAOPNPRHFBBEJERHVNUEFCHLDYMCJIZUFQYTNZZBCHUKKNJHBREHDXFOUFKOCO", "ciphertext": "ALWZYTFCMGJDLVYCAOPNPRHFBBEJERHVNUEFCHLDYMCJIZUFQYTNZZBCHUKKNJHBREHDXFOUFKOCO", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-430", "text": "TALKEDCDEPIEHGIASREEV", "ciphertext": "TALKEDCDEPIEHGIASREEV", "plaintext": "THE PACKAGE IS DELIVERED", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CRYPTIC"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-229", "text": "FAXDDDFGXAFXAXFADFFDAXXXDXDGGA", "ciphertext": "FAXDDDFGXAFXAXFADFFDAXXXDXDGGA", "plaintext": "THE COAST IS CLEAR", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KEYWORD", "columnar": "TRAFIC"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0353", "text": "GVQXRMLORJHXPIURPPH4EISAVVKHWHAJOK6XCAXRXYXTDQQXYISXVX5VBQVHH7HNTD5X4MJ5AJEF7", "ciphertext": "GVQXRMLORJHXPIURPPH4EISAVVKHWHAJOK6XCAXRXYXTDQQXYISXVX5VBQVHH7HNTD5X4MJ5AJEF7", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0529", "text": "SQFQELKWBERIYMJD", "ciphertext": "SQFQELKWBERIYMJD", "plaintext": "RENDER UNTO CAESAR", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0279", "text": "NETHNELFDHTOITWPAEEALSHTPLTSHDTEOALIATSEINEAUMETNRSHNTECHAPSATDNFRELAHWIOPT", "ciphertext": "NETHNELFDHTOITWPAEEALSHTPLTSHDTEOALIATSEINEAUMETNRSHNTECHAPSATDNFRELAHWIOPT", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0074", "text": "AFGVDGGAGGAFADADFAXVDXVGDFFAAFFDGDDFVGGGDDFAAFDFFGGAAVFDDDFGFVAVFFFDFFVAGFDGVGAAGFGFGDGAAFADAADGFGGFGGGDAAFGFDDDFAGFAADFGDDXAFFGVVGDGGVGGVFGFVFF", "ciphertext": "AFGVDGGAGGAFADADFAXVDXVGDFFAAFFDGDDFVGGGDDFAAFDFFGGAAVFDDDFGFVAVFFFDFFVAGFDGVGAAGFGFGDGAAFADAADGFGGFGGGDAAFGFDDDFAGFAADFGDDXAFFGVVGDGGVGGVFGFVFF", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 144, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020669", "text": "3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 18 7 15 15 4 5 4 21 3 1 20 9 15 14 1 12 20 15 15 12 19 5 24 16 12 1 9 14 20 8 5 9 18 12 9 13 9 20 19 20 8 5 20 18 9 20 8 5 13 9 21 19 3 9 16 8 5 18 1 4 22 1 14 3 5 19 20 8 5 1 12 16 8 1 2 5 20 2 25 15 14 5 16 15 19 9 20 9 15 14 5 1 3 8 12 5 20 20 5 18 16 15 12 25 2 9 21 19 5 14 3 15 4 5 4 12 5 20 20 5 18 19 1 19 16 1 9 18 19 15 6 14 21 13 2 5 18 19 6 18 15 13 15 14 5 20 15 6 9 22 5", "ciphertext": "3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 18 7 15 15 4 5 4 21 3 1 20 9 15 14 1 12 20 15 15 12 19 5 24 16 12 1 9 14 20 8 5 9 18 12 9 13 9 20 19 20 8 5 20 18 9 20 8 5 13 9 21 19 3 9 16 8 5 18 1 4 22 1 14 3 5 19 20 8 5 1 12 16 8 1 2 5 20 2 25 15 14 5 16 15 19 9 20 9 15 14 5 1 3 8 12 5 20 20 5 18 16 15 12 25 2 9 21 19 5 14 3 15 4 5 4 12 5 20 20 5 18 19 1 19 16 1 9 18 19 15 6 14 21 13 2 5 18 19 6 18 15 13 15 14 5 20 15 6 9 22 5", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 193, "length": 193, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0012351", "text": "oror cheol chor qokedy choldaiin ctaiin sheedy sharal daiin chedal okeedy shaiin shal otaiin okeedy ytaiin ypchol okshy okshy qokedy raiin chedy lkaiin cheol okedy okain otedy ypchol sharal rcheol okedy daiin choldaiin shaiin qokedy daiin qokeedy qokeedy kaiiin okeedy okedy shal aiiin cheol lkaiin otain ykcheol qotedy ytedy qokal chor oror raiin qokal otedy chedal otaiin kaiiin", "ciphertext": "oror cheol chor qokedy choldaiin ctaiin sheedy sharal daiin chedal okeedy shaiin shal otaiin okeedy ytaiin ypchol okshy okshy qokedy raiin chedy lkaiin cheol okedy okain otedy ypchol sharal rcheol okedy daiin choldaiin shaiin qokedy daiin qokeedy qokeedy kaiiin okeedy okedy shal aiiin cheol lkaiin otain ykcheol qotedy ytedy qokal chor oror raiin qokal otedy chedal otaiin kaiiin", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 323, "length": 323, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v3-0109", "text": "537242262623687229702365", "ciphertext": "537242262623687229702365", "plaintext": "SOUND THE TRUMPETS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0261", "text": "HONORAHQVEBKOV", "ciphertext": "HONORAHQVEBKOV", "plaintext": "HONOR ABOVE ALL", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-221", "text": "BMVODLNLMCOVLKQNIHDLUVXEVLHCODSKQIKRDAWNBGCBNLMCOVLKQOERVVDL", "ciphertext": "BMVODLNLMCOVLKQNIHDLUVXEVLHCODSKQIKRDAWNBGCBNLMCOVLKQOERVVDL", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v2-0135", "text": "09908 09996 09993 09996 09999 09906 09990 09903 09906 09997 09907 09991 09900 09993 09999 09906", "ciphertext": "09908 09996 09993 09996 09999 09906 09990 09903 09906 09997 09907 09991 09900 09993 09999 09906", "plaintext": "THE HARBOR IS CLEAR", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003390", "text": "TXDUCNTEPOOFHIXNSUCBAORXOEFWYNXTNSICOITNXO", "ciphertext": "TXDUCNTEPOOFHIXNSUCBAORXOEFWYNXTNSICOITNXO", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "FREEDOM"}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "cda-0019556", "text": "ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BABAA ABBAB BAAAA AAABB BAAAB AABBB AABAA ABABA ABBBA AAAAB BAAAA AABAA AAAAA ABAAB ABABB ABBAB ABBAA ABBAB AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA AABAA BAAAA BAAAA ABBAB BAAAA AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA ABBAA AAABB AAABB AABAA BAABA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA BAAAA AABAA AABAB BAABB ABBAA AAABB AAAAA ABABB AABAA ABBAA BAABA AAAAA ABABA BAABA ABBAB BAAAB AABAA AAABA BAABB BAAAA AABAA BAAAB BABBA BAAAB BAABA AABAA ABABB BAAAB ABBAB ABBBA AABAA ABBAA BAAAB ABBAB BAABB BAAAA AAABA AABAA BAABA ABBAB ABBAB ABABA BAAAB AAAAA ABABA ABABA ABBAB BABAA ABAAA ABBAA AAABB AABAA ABBBA AABAA ABBAA AAABB AABAA ABBAA BAABA BAABB AABAA BAAAA ABAAA AABAB ABAAA AAABA AAAAA BAABA ABAAA ABBAB ABBAA", "ciphertext": "ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BABAA ABBAB BAAAA AAABB BAAAB AABBB AABAA ABABA ABBBA AAAAB BAAAA AABAA AAAAA ABAAB ABABB ABBAB ABBAA ABBAB AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA AABAA BAAAA BAAAA ABBAB BAAAA AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA ABBAA AAABB AAABB AABAA BAABA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA BAAAA AABAA AABAB BAABB ABBAA AAABB AAAAA ABABB AABAA ABBAA BAABA AAAAA ABABA BAABA ABBAB BAAAB AABAA AAABA BAABB BAAAA AABAA BAAAB BABBA BAAAB BAABA AABAA ABABB BAAAB ABBAB ABBBA AABAA ABBAA BAAAB ABBAB BAABB BAAAA AAABA AABAA BAABA ABBAB ABBAB ABABA BAAAB AAAAA ABABA ABABA ABBAB BABAA ABAAA ABBAA AAABB AABAA ABBBA AABAA ABBAA AAABB AABAA ABBAA BAABA BAABB AABAA BAAAA ABAAA AABAB ABAAA AAABA AAAAA BAABA ABAAA ABBAB ABBAA", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 915, "length": 915, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "slidex-v2-0078", "text": "ZETXGDKBMLAMVEZPRUXVUKNMJKUFYRCZROPWAMGTUQZEAGPJITMPQJWRTSOVBLKASYHFCYCZRERDPR", "ciphertext": "ZETXGDKBMLAMVEZPRUXVUKNMJKUFYRCZROPWAMGTUQZEAGPJITMPQJWRTSOVBLKASYHFCYCZRERDPR", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-081", "text": "NMOOZEMXHCWYTMJ", "ciphertext": "NMOOZEMXHCWYTMJ", "plaintext": "FORWARD MARCH NOW", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "2,4,1,6,3,5"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0799", "text": "CPTFDXFJSGAOKVVXNAPDWLVNXFIRDRBZJDYRAGCXSJYXPVBPFRHDLOUEKIXJFNMHKAHUINOEBIZ", "ciphertext": "CPTFDXFJSGAOKVVXNAPDWLVNXFIRDRBZJDYRAGCXSJYXPVBPFRHDLOUEKIXJFNMHKAHUINOEBIZ", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007882", "text": "CNGGREA JBEQF URYC OERNX ZBABNYCUNORGVP FHOFGVGHGVBA NA NSSVAR PVCURE NCCYVRF N YVARNE SHAPGVBA GB RNPU YRGGRE PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT", "ciphertext": "CNGGREA JBEQF URYC OERNX ZBABNYCUNORGVP FHOFGVGHGVBA NA NSSVAR PVCURE NCCYVRF N YVARNE SHAPGVBA GB RNPU YRGGRE PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0014711", "text": "BAABA AABBB AABAA AAAAB ABAAA AABAB ABAAA AAABB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAABA ABBAB ABABB AAAAB ABAAA ABBAA AABAA BAAAB AAAAA ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA BABAA ABAAA BAABA AABBB BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAB AABAA AAAAA BAABB AABAB ABBAB BAAAA BAABA ABAAA BAAAB BAABA AABBB AABAA BAAAA AABAA AAABA ABAAA ABBBA BAAAA ABBAB AAABA AAAAA ABABA ABBAB AABAB BAABB ABAAA AABBA AABAA ABBAA AABAA BAAAA AABAA AAAAA ABBAA AAABB AAABB AABAA AAABA BAAAA BABBA ABBBA BAABA BAAAB ABAAA BAABA BAAAB AABAA ABABA AABAB AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA", "ciphertext": "BAABA AABBB AABAA AAAAB ABAAA AABAB ABAAA AAABB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAABA ABBAB ABABB AAAAB ABAAA ABBAA AABAA BAAAB AAAAA ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA BABAA ABAAA BAABA AABBB BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAB AABAA AAAAA BAABB AABAB ABBAB BAAAA BAABA ABAAA BAAAB BAABA AABBB AABAA BAAAA AABAA AAABA ABAAA ABBBA BAAAA ABBAB AAABA AAAAA ABABA ABBAB AABAB BAABB ABAAA AABBA AABAA ABBAA AABAA BAAAA AABAA AAAAA ABBAA AAABB AAABB AABAA AAABA BAAAA BABBA ABBBA BAABA BAAAB ABAAA BAABA BAAAB AABAA ABABA AABAB AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 725, "length": 725, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "culper-ring-v2-0086", "text": "100 998 810 800 818 808 818 810 808 999 998 819 804 818 819 999 998 805 808 813 803 818 999 998 817 804 815 804 800 819 804 803 999 998 818 804 816 820 804 813 802 804 818 999 103 998 803 804 819 804 817 812 808 813 804 999 100 998 810 804 824 999 998 811 804 813 806 819 807 999 101 105 998 821 808 806 804 813 804 817 804 999 998 802 808 815 807 804 817 999 998 810 804 824 999", "ciphertext": "100 998 810 800 818 808 818 810 808 999 998 819 804 818 819 999 998 805 808 813 803 818 999 998 817 804 815 804 800 819 804 803 999 998 818 804 816 820 804 813 802 804 818 999 103 998 803 804 819 804 817 812 808 813 804 999 100 998 810 804 824 999 998 811 804 813 806 819 807 999 101 105 998 821 808 806 804 813 804 817 804 999 998 802 808 815 807 804 817 999 998 810 804 824 999", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 285, "length": 379, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009931", "text": "ZAPBLN JTLOSAY HMP LTMTTSHL AC AMUAX LFBDLTMGB L MIJFGF CQALH YAXXB BSNNNN PQWYWGRH", "ciphertext": "ZAPBLN JTLOSAY HMP LTMTTSHL AC AMUAX LFBDLTMGB L MIJFGF CQALH YAXXB BSNNNN PQWYWGRH", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "beaufort", "cipher": "beaufort", "key": {"key": "BATTLE"}, "difficulty": "medium", "language": "en", "text_length": 71, "length": 71, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0008617", "text": "BCSA FBHEQR GBBYF OYYBJ NAQSCNANRAG ISEVTVQOGVBA", "ciphertext": "BCSA FBHEQR GBBYF OYYBJ NAQSCNANRAG ISEVTVQOGVBA", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "chaocipher-v3-0232", "text": "AWKSUVXQYXJWITP", "ciphertext": "AWKSUVXQYXJWITP", "plaintext": "THE WIND IS WITH US", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0291", "text": "45070222151741761282825162132001922", "ciphertext": "45070222151741761282825162132001922", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 35, "length": 35, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0079", "text": "NBVXVJOZEASEFRBXDKZXFVJDSZGFQIQFZOMVKEUPGPDUAMMXDXPZCUGUWFXLBASLZTZTIRFWWDNZJDS", "ciphertext": "NBVXVJOZEASEFRBXDKZXFVJDSZGFQIQFZOMVKEUPGPDUAMMXDXPZCUGUWFXLBASLZTZTIRFWWDNZJDS", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-009", "text": "╲ ╱ ┌• ┌• ¬• ▽ ¬• ┐ ┼• ┼ ¬ ┤• ├• ┌• ┐• ┤• ├• ┐ ╲ ┼ ├", "ciphertext": "╲ ╱ ┌• ┌• ¬• ▽ ¬• ┐ ┼• ┼ ¬ ┤• ├• ┌• ┐• ┤• ├• ┐ ╲ ┼ ├", "plaintext": "SUPPLY LINE COMPROMISED", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 32, "length": 52, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-de-044", "text": "JRSASCFIEEAGKERTEEMNCHTNPUHUDENISRRLRNVRUDTNEHEDEHARAIDEKUENEC", "ciphertext": "JRSASCFIEEAGKERTEEMNCHTNPUHUDENISRRLRNVRUDTNEHEDEHARAIDEKUENEC", "plaintext": "JEDER MENSCH HAT ANSPRUCH AUF DIE IN DIESER ERKLARUNG VERKUNDETEN RECHTE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 3}, "difficulty": "intermediate", "language": "de", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013271", "text": "44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 13 42 54 35 44 34 22 42 11 35 23 54 42 15 52 11 42 14 43 35 11 44 24 15 33 13 15 11 33 14 13 11 42 15 21 45 31 44 23 24 33 25 24 33 22 14 24 21 21 24 15 11 33 14 23 15 31 31 32 11 33 24 33 44 42 34 14 45 13 15 14 35 45 12 31 24 13 25 15 54 13 42 54 35 44 34 22 42 11 35 23 54 24 33 33 24 33 15 44 15 15 33 43 15 51 15 33 44 54 43 24 53 43 45 12 43 44 24 44 45 44 24 34 33 13 24 35 23 15 42 43 32 11 35 15 11 13 23 31 15 44 44 15 42 44 34 11 14 24 21 21 15 42 15 33 44 31 15 44 44 15 42 23 34 33 15 43 44 31 54", "ciphertext": "44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 13 42 54 35 44 34 22 42 11 35 23 54 42 15 52 11 42 14 43 35 11 44 24 15 33 13 15 11 33 14 13 11 42 15 21 45 31 44 23 24 33 25 24 33 22 14 24 21 21 24 15 11 33 14 23 15 31 31 32 11 33 24 33 44 42 34 14 45 13 15 14 35 45 12 31 24 13 25 15 54 13 42 54 35 44 34 22 42 11 35 23 54 24 33 33 24 33 15 44 15 15 33 43 15 51 15 33 44 54 43 24 53 43 45 12 43 44 24 44 45 44 24 34 33 13 24 35 23 15 42 43 32 11 35 15 11 13 23 31 15 44 44 15 42 44 34 11 14 24 21 21 15 42 15 33 44 31 15 44 44 15 42 23 34 33 15 43 44 31 54", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER HONESTLY", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 207, "length": 207, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0011026", "text": "HAPH ALER SACE SATH YBTB EXXS TONI SIOR EPED TEHF TI", "ciphertext": "HAPH ALER SACE SATH YBTB EXXS TONI SIOR EPED TEHF TI", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "DRAGON"}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "sigaba-v2-0451", "text": "BBIBQNFMYKZEMALDWUVJZPDFDMVARZYUUYNHVOKRJMQRNAREWCSLMRYDALMTQBMRTICMPYBNL", "ciphertext": "BBIBQNFMYKZEMALDWUVJZPDFDMVARZYUUYNHVOKRJMQRNAREWCSLMRYDALMTQBMRTICMPYBNL", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-091", "text": "23 05 08 15 12 04 20 08 05 19 05 20 18 21 20 08 19 63 02 05 19 05 12 06 05 22 09 04 05 14 20 20 08 01 20 01 12 12 13 05 14 01 18 05 03 18 05 01 20 05 04 05 17 21 01 12", "ciphertext": "23 05 08 15 12 04 20 08 05 19 05 20 18 21 20 08 19 63 02 05 19 05 12 06 05 22 09 04 05 14 20 20 08 01 20 01 12 12 13 05 14 01 18 05 03 18 05 01 20 05 04 05 17 21 01 12", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 112, "length": 167, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-250", "text": "BWQEUXYSVQTLYSQXJPKZR", "ciphertext": "BWQEUXYSVQTLYSQXJPKZR", "plaintext": "THE PACKAGE IS DELIVERED", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013401", "text": "AABA AABB AABA ABAB AAAA ABBA BABB BABA BBAA BABB AABA AAAA AABA AABB AABB BAAA AAAB AABA AABB AABB ABBA AAAA BAAA BAAB AAAA BAAB AAAA AAAB AAAA BBAA BAAB ABAB BAAB AAAA BBAA AAAA AAAA BBAB AAAB AAAB BAAB ABAA AAAB AAAA AAAB BAAB BBAA BAAB AAAA BBAB ABBA AAAA ABBA AAAB AABB BAAB AAAB AAAA BABA BBAB BAAA AAAA BAAA BAAB ABAA ABBA BBAA AAAB AABB AAAB ABBA BABB AAAB ABAB ABBA BABA AAAB BBAA BAAA BBAA BAAB AAAB BBAA BAAA BAAB AABA ABAB BABA AABA BBBA AAAA AAAA BAAA BAAA BAAA BAAA BBAA ABAB ABBA AAAA ABAB AABA BAAA BABA AAAA ABAA AABA BAAA ABAA BABA ABBA BBAA ABAA BAAA AABB ABAA ABAA ABAA AAAA BBBA ABBA BBAA ABBA ABAB AABB BAAA AAAB AAAB BAAA BBAB BAAB AAAA AABA AABA BABA ABBA BAAB BAAA AAAA BBAA", "ciphertext": "AABA AABB AABA ABAB AAAA ABBA BABB BABA BBAA BABB AABA AAAA AABA AABB AABB BAAA AAAB AABA AABB AABB ABBA AAAA BAAA BAAB AAAA BAAB AAAA AAAB AAAA BBAA BAAB ABAB BAAB AAAA BBAA AAAA AAAA BBAB AAAB AAAB BAAB ABAA AAAB AAAA AAAB BAAB BBAA BAAB AAAA BBAB ABBA AAAA ABBA AAAB AABB BAAB AAAB AAAA BABA BBAB BAAA AAAA BAAA BAAB ABAA ABBA BBAA AAAB AABB AAAB ABBA BABB AAAB ABAB ABBA BABA AAAB BBAA BAAA BBAA BAAB AAAB BBAA BAAA BAAB AABA ABAB BABA AABA BBBA AAAA AAAA BAAA BAAA BAAA BAAA BBAA ABAB ABBA AAAA ABAB AABA BAAA BABA AAAA ABAA AABA BAAA ABAA BABA ABBA BBAA ABAA BAAA AABB ABAA ABAA ABAA AAAA BBBA ABBA BBAA ABBA ABAB AABB BAAA AAAB AAAB BAAA BBAB BAAB AAAA AABA AABA BABA ABBA BAAB BAAA AAAA BBAA", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 560, "length": 560, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0013996", "text": "- .... . / . -. .. --. -- .- / -- .- -.-. .... .. -. . / ..- ... . -.. / .-. --- - --- .-. ... / - --- / -.-. .-. . .- - . / .- / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-.", "ciphertext": "- .... . / . -. .. --. -- .- / -- .- -.-. .... .. -. . / ..- ... . -.. / .-. --- - --- .-. ... / - --- / -.-. .-. . .- - . / .- / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-.", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 105, "length": 105, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0015079", "text": "34 35 15 33 43 34 45 42 13 15 44 34 34 31 43 11 31 31 34 52 24 33 14 15 35 15 33 14 15 33 44 51 15 42 24 21 24 13 11 44 24 34 33 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43", "ciphertext": "34 35 15 33 43 34 45 42 13 15 44 34 34 31 43 11 31 31 34 52 24 33 14 15 35 15 33 14 15 33 44 51 15 42 24 21 24 13 11 44 24 34 33 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "jefferson-disk-v3-0004", "text": "SIIPUNWERAEGZTLOUXQW", "ciphertext": "SIIPUNWERAEGZTLOUXQW", "plaintext": "THE LEGIONS STAND READY", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v3-0136", "text": "KRCGNNJXWKRSGTOTBUOD", "ciphertext": "KRCGNNJXWKRSGTOTBUOD", "plaintext": "STEAM POWER TRANSFORMS", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016158", "text": "838 843 811 813 852 839 999 813 840 807 852 872 847 858 826 844 841 999 825 854 999 840 844 859 999 804 851 844 830 813 840 999 805 872 999 833 812 859 858 813 853 999 815 851 813 850 861 814 840 806 872 999 814 853 851 842 852 999 808 843 851 851 812 807 857 825 842 840 999 800 839 809 999 811 812 858 812 806 857 825 842 839 999 801 853 812 999 817 860 841 809 801 838 813 840 857 801 833 999 859 842 999 856 812 807 860 852 814 999 855 873 854 858 812 836 855 999 816 851 826 812 810 836 802 841 999 814 856 857 824 836 800 858 812 811 999 831 813 872 999 835 814 841 819 858 823 999 817 852 843 837 999 855 858 802 859 824 855 857 824 807 856 999", "ciphertext": "838 843 811 813 852 839 999 813 840 807 852 872 847 858 826 844 841 999 825 854 999 840 844 859 999 804 851 844 830 813 840 999 805 872 999 833 812 859 858 813 853 999 815 851 813 850 861 814 840 806 872 999 814 853 851 842 852 999 808 843 851 851 812 807 857 825 842 840 999 800 839 809 999 811 812 858 812 806 857 825 842 839 999 801 853 812 999 817 860 841 809 801 838 813 840 857 801 833 999 859 842 999 856 812 807 860 852 814 999 855 873 854 858 812 836 855 999 816 851 826 812 810 836 802 841 999 814 856 857 824 836 800 858 812 811 999 831 813 872 999 835 814 841 819 858 823 999 817 852 843 837 999 855 858 802 859 824 855 857 824 807 856 999", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-0269", "text": "OSOCEFSMEWDGODSLEAL", "ciphertext": "OSOCEFSMEWDGODSLEAL", "plaintext": "CODED MESSAGE FOLLOWS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007545", "text": "PNRF NEFU VSGR QGUR NYCU NORG OLGU ERRC BFVG VBAF", "ciphertext": "PNRF NEFU VSGR QGUR NYCU NORG OLGU ERRC BFVG VBAF", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "gronsfeld-v2-0130", "text": "UVQTOVJGDTGCEJ", "ciphertext": "UVQTOVJGDTGCEJ", "plaintext": "STORM THE BREACH", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "22222"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0422", "text": "PTAOTNDIDHNFIJCCDCZASLOWYDJDOJXPOIWNKXABAFDWXLPTMJQDAWFYCSKQOUTLVGHG", "ciphertext": "PTAOTNDIDHNFIJCCDCZASLOWYDJDOJXPOIWNKXABAFDWXLPTMJQDAWFYCSKQOUTLVGHG", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-057", "text": "LABAB HABAB ZUZUZ WAZUZ BAZUZ ZAZUZ KAZUZ GAZUZ WAZUZ XUZUZ KABAB MUBAB FABAB PABAB ZUZUZ KAZUZ GAZUZ WAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ FAZUZ LAZUZ DAZUZ BAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ FABAB BABAB ZUZUZ JAZUZ WAZUZ GAZUZ BAZUZ ZAZUZ XUZUZ ZUZUZ ZAZUZ BAZUZ XAZUZ NAZUZ XUZUZ ZUZUZ WAZUZ GAZUZ QAZUZ BAZUZ LAZUZ RAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ CAZUZ GAZUZ HAZUZ SAZUZ WAZUZ GAZUZ XUZUZ MUBAB JABAB ZABAB HUBAB ZUZUZ KAZUZ SAZUZ RAZUZ SAZUZ WAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ BAZUZ FAZUZ XUZUZ ZUZUZ DEZUZ GAZUZ XUZUZ QIBAB ZUZUZ LAZUZ RAZUZ DAZUZ WAZUZ GAZUZ BAZUZ XAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ CEZUZ SAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XUZUZ FABAB JABAB ZUZUZ DAZUZ BAZUZ BEZUZ XAZUZ GAZUZ XUZUZ KABAB GEBAB FEBAB ZUZUZ JAZUZ BAZUZ CEZUZ GAZUZ XUZUZ BABAB ZUZUZ PAZUZ BAZUZ XAZUZ ZAZUZ XUZUZ ZUZUZ HAZUZ BEZUZ PAZUZ PAZUZ XUZUZ ZUZUZ QAZUZ GAZUZ BAZUZ XAZUZ BEZUZ WAZUZ GAZUZ XUZUZ", "ciphertext": "LABAB HABAB ZUZUZ WAZUZ BAZUZ ZAZUZ KAZUZ GAZUZ WAZUZ XUZUZ KABAB MUBAB FABAB PABAB ZUZUZ KAZUZ GAZUZ WAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ FAZUZ LAZUZ DAZUZ BAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ FABAB BABAB ZUZUZ JAZUZ WAZUZ GAZUZ BAZUZ ZAZUZ XUZUZ ZUZUZ ZAZUZ BAZUZ XAZUZ NAZUZ XUZUZ ZUZUZ WAZUZ GAZUZ QAZUZ BAZUZ LAZUZ RAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ CAZUZ GAZUZ HAZUZ SAZUZ WAZUZ GAZUZ XUZUZ MUBAB JABAB ZABAB HUBAB ZUZUZ KAZUZ SAZUZ RAZUZ SAZUZ WAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ BAZUZ FAZUZ XUZUZ ZUZUZ DEZUZ GAZUZ XUZUZ QIBAB ZUZUZ LAZUZ RAZUZ DAZUZ WAZUZ GAZUZ BAZUZ XAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ CEZUZ SAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XUZUZ FABAB JABAB ZUZUZ DAZUZ BAZUZ BEZUZ XAZUZ GAZUZ XUZUZ KABAB GEBAB FEBAB ZUZUZ JAZUZ BAZUZ CEZUZ GAZUZ XUZUZ BABAB ZUZUZ PAZUZ BAZUZ XAZUZ ZAZUZ XUZUZ ZUZUZ HAZUZ BEZUZ PAZUZ PAZUZ XUZUZ ZUZUZ QAZUZ GAZUZ BAZUZ XAZUZ BEZUZ WAZUZ GAZUZ XUZUZ", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 750, "length": 899, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v3-0243", "text": "584388870658418783873803919174682884584354192868984888239310191828848388888186387588818887885841878375700", "ciphertext": "584388870658418783873803919174682884584354192868984888239310191828848388888186387588818887885841878375700", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 105, "length": 105, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0535", "text": "BXIFMEOBZHFM", "ciphertext": "BXIFMEOBZHFM", "plaintext": "VENI VIDI VICI", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0292", "text": "IBRMMXJEEQCBYHNAXMJPKWVC", "ciphertext": "IBRMMXJEEQCBYHNAXMJPKWVC", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0133", "text": "XWXGRPXAJMYYIE", "ciphertext": "XWXGRPXAJMYYIE", "plaintext": "SIGNAL FIRES LIT", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0426", "text": "IJODSQNWVZWVIPLGCVVDBNBVGHAYABCLUYRDFNDEKWTTXDYMZCMGNJZFNTQGMNRVHIRL", "ciphertext": "IJODSQNWVZWVIPLGCVVDBNBVGHAYABCLUYRDFNDEKWTTXDYMZCMGNJZFNTQGMNRVHIRL", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0629", "text": "GOWYDOGXJXVABPFHRJPGIUXJCOPYCUUOYHSSFARLEFFOAXETAWDMZUELMEPIUEUXRHSHDBKMBPYVVIWTELMUQJNNYKJNUUFJGYBKWIYZSDDAFRPFZZWZQNZQTEDTHXJGOVMXXRTKMYENIULDKNGPZODBCLRALBFMHVIWCNCFKDOW", "ciphertext": "GOWYDOGXJXVABPFHRJPGIUXJCOPYCUUOYHSSFARLEFFOAXETAWDMZUELMEPIUEUXRHSHDBKMBPYVVIWTELMUQJNNYKJNUUFJGYBKWIYZSDDAFRPFZZWZQNZQTEDTHXJGOVMXXRTKMYENIULDKNGPZODBCLRALBFMHVIWCNCFKDOW", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014477", "text": "IVPK EDHH GFAT AJKL SLRS MNFS FMPV CGPX HPBL STEZ WDIX AA", "ciphertext": "IVPK EDHH GFAT AJKL SLRS MNFS FMPV CGPX HPBL STEZ WDIX AA", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "typex-v3-0350", "text": "ZNNIRCXGZCBNWKBTXUK", "ciphertext": "ZNNIRCXGZCBNWKBTXUK", "plaintext": "MEASURE TWICE CUT ONCE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0575", "text": "OLGKKSJLDVCSIXUYWUASEVREJSUHQZZLKQRBTRSPLJEVONKRZRFRTGDFIEMOZQNQFDLGJVONRBEYFG", "ciphertext": "OLGKKSJLDVCSIXUYWUASEVREJSUHQZZLKQRBTRSPLJEVONKRZRFRTGDFIEMOZQNQFDLGJVONRBEYFG", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "PQR"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0033", "text": "AYXWLL MCCMEL", "ciphertext": "AYXWLL MCCMEL", "plaintext": "YANKEE DOODLE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0306", "text": "ICANDOALLTHINGSTHROUGHCHRISTWHICHSTRENGTHENETHMEINEVERYTRIALANDTRIBULATION", "ciphertext": "ICANDOALLTHINGSTHROUGHCHRISTWHICHSTRENGTHENETHMEINEVERYTRIALANDTRIBULATION", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0044", "text": "DRILOEPGUUIJLATUC", "ciphertext": "DRILOEPGUUIJLATUC", "plaintext": "THE RAILWAY ARRIVES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0491", "text": "AXAGGFFGDFFADAFAXAFADXDDGFXFFFDAXAAA", "ciphertext": "AXAGGFFGDFFADAFAXAFADXDDGFXFFFDAXAAA", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0011", "text": "AIVTAEAPMRLAGERANIA", "ciphertext": "AIVTAEAPMRLAGERANIA", "plaintext": "AVE MARIA GRATIA PLENA", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014550", "text": "... .....  .... .....  . ..  ... .  .. ....  . ...  .. ....  ... ...  .. .  .... ..  . .  .... ...  .... ....  .... ..  .... .....  . ...  .... ....  .... .....  .... ..  . .....  . ....  . .....  .... ...  . .....  .... ..  ..... .  . .....  .... ...  . ...  . .  .... ..  . .....  .. .  .... .....  ... .  . ....  . .....  .... ...  .. ....  .. ..  ... ...  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  . .  ... ...  . .  ... .  ..... ....  .... ...  .. ....  .... ...  . ...  . .  ... ...  .... ..  . .....  ..... .  . .....  . .  ... .  ..... ..  . .....  . .  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ....  .. ...  . .....  . ....  . .....  .... ....  . .....  . ...  .... ....  .. ....  ..... .  . .....  .... ...  .... ....  .... .....  . ....  .. ....  . .....  .... ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  ... ..  . .  . ...  .. ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  .... ...  . ..  .... ..  .... .....  .... ....  . .....  .. .  ... ....  .... ..  . ...  . .....  ..... ..  ... ....  .... ..  . ...  .... ...  ... ....  ... ...  ... .  ..... ....  ..... ..  .. ...  . .....  ... ...  .... ....  .. ...  . .....  . ...  . .....  ..... ....  .... ...  ... .....  . .  . ...  . .....  .. ....  .... ...  .... ...  ... ..  . .  ... .  ... .", "ciphertext": "... .....  .... .....  . ..  ... .  .. ....  . ...  .. ....  ... ...  .. .  .... ..  . .  .... ...  .... ....  .... ..  .... .....  . ...  .... ....  .... .....  .... ..  . .....  . ....  . .....  .... ...  . .....  .... ..  ..... .  . .....  .... ...  . ...  . .  .... ..  . .....  .. .  .... .....  ... .  . ....  . .....  .... ...  .. ....  .. ..  ... ...  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  . .  ... ...  . .  ... .  ..... ....  .... ...  .. ....  .... ...  . ...  . .  ... ...  .... ..  . .....  ..... .  . .....  . .  ... .  ..... ..  . .....  . .  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ....  .. ...  . .....  . ....  . .....  .... ....  . .....  . ...  .... ....  .. ....  ..... .  . .....  .... ...  .... ....  .... .....  . ....  .. ....  . .....  .... ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  . .....  .. .  ... ....  .... ..  . .....  ... ..  . .  . ...  .. ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  .... ...  . ..  .... ..  .... .....  .... ....  . .....  .. .  ... ....  .... ..  . ...  . .....  ..... ..  ... ....  .... ..  . ...  .... ...  ... ....  ... ...  ... .  ..... ....  ..... ..  .. ...  . .....  ... ...  .... ....  .. ...  . .....  . ...  . .....  ..... ....  .... ...  ... .....  . .  . ...  . .....  .. ....  .... ...  .... ...  ... ..  . .  ... .  ... .", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 164, "length": 164, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "playfair-v3-0700", "text": "WPCUCMPAQUPWPFSDCUMTICRWWPCUMTOSWBXCALWPPWPFBIQLBTZMMTWLDBEZDHTMSUOMHZHZ", "ciphertext": "WPCUCMPAQUPWPFSDCUMTICRWWPCUMTOSWBXCALWPPWPFBIQLBTZMMTWLDBEZDHTMSUOMHZHZ", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0362", "text": "ZVVZCNIWBAWMIOWAAZGYMLPAZNMYRJFKRETSNLFXUTYEAJKTRLFGXKJFVLCAPVSXTRUM", "ciphertext": "ZVVZCNIWBAWMIOWAAZGYMLPAZNMYRJFKRETSNLFXUTYEAJKTRLFGXKJFVLCAPVSXTRUM", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "JKL"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014794", "text": "AAAA BAAB AAAA AAAB AABB AABA BABB ABBA AAAB AABA ABAA ABAA ABBA ABAA ABBB AABA ABAA AAAA BAAA AABA ABAA AABB BABA AAAA BBAB AAAB AAAA AAAB ABAA BBAB AABA BBAA BBAB AAAA ABBA AABA AABB AAAA BAAB AAAA AABA AAAA AAAB BAAA AABB AAAB BAAB AAAA ABAB AAAA BABB AABB BABA ABAB AAAB ABAA ABAA BABA AABA ABAA ABAB AAAB ABAA BAAB AABB AABA ABAA AABA BBAB AAAB BABB ABAA ABBA ABAA ABAA ABAB BABB AAAA BAAA ABAA AAAB BBAA ABAA AAAA BBAA AABB BABB ABAB BAAA ABAA BAAA BBAA BABA ABAA ABBB BAAA AAAB AAAA AAAB AABA ABAB BABB ABAA ABBA ABAA ABAB AAAB BBBA ABBA BABB AAAA AABB AABA AAAA ABAA AAAA AAAA BBAA AAAA AAAB ABAB AAAB AAAB BABB AABB BAAB AABB BABA ABBB AABA BAAA BAAB BBAB BABB AABB ABAB AAAA BBBA AABA ABBB ABBA BBAB AAAA AAAA BABA ABAB ABAA AAAA BAAA AAAA BAAA BABB ABAB BAAA BAAA ABBA AAAB BABA AABB AABA AABA AABB BABA AAB", "ciphertext": "AAAA BAAB AAAA AAAB AABB AABA BABB ABBA AAAB AABA ABAA ABAA ABBA ABAA ABBB AABA ABAA AAAA BAAA AABA ABAA AABB BABA AAAA BBAB AAAB AAAA AAAB ABAA BBAB AABA BBAA BBAB AAAA ABBA AABA AABB AAAA BAAB AAAA AABA AAAA AAAB BAAA AABB AAAB BAAB AAAA ABAB AAAA BABB AABB BABA ABAB AAAB ABAA ABAA BABA AABA ABAA ABAB AAAB ABAA BAAB AABB AABA ABAA AABA BBAB AAAB BABB ABAA ABBA ABAA ABAA ABAB BABB AAAA BAAA ABAA AAAB BBAA ABAA AAAA BBAA AABB BABB ABAB BAAA ABAA BAAA BBAA BABA ABAA ABBB BAAA AAAB AAAA AAAB AABA ABAB BABB ABAA ABBA ABAA ABAB AAAB BBBA ABBA BABB AAAA AABB AABA AAAA ABAA AAAA AAAA BBAA AAAA AAAB ABAB AAAB AAAB BABB AABB BAAB AABB BABA ABBB AABA BAAA BAAB BBAB BABB AABB ABAB AAAA BBBA AABA ABBB ABBA BBAB AAAA AAAA BABA ABAB ABAA AAAA BAAA AAAA BAAA BABB ABAB BAAA BAAA ABBA AAAB BABA AABB AABA AABA AABB BABA AAB", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF EVERY SYSTEM NEEDS AN HONEST THREAT MODEL HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 655, "length": 655, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "sigaba-178", "text": "DHPZJWLIVYABEMPQASPJWCQZQUCIOELFCRLGXFYBYQUVLMURSXVNWAOKSVAZKEMFSMGCPBAFWEQZZZJNCVGMJCONVFYXJHIWNEFXFFBACEYOLSPCDSESLRQXVWLKBVIWDKTKULTEJ", "ciphertext": "DHPZJWLIVYABEMPQASPJWCQZQUCIOELFCRLGXFYBYQUVLMURSXVNWAOKSVAZKEMFSMGCPBAFWEQZZZJNCVGMJCONVFYXJHIWNEFXFFBACEYOLSPCDSESLRQXVWLKBVIWDKTKULTEJ", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015320", "text": "⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩", "ciphertext": "⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "bazeries-v3-0464", "text": "HJGGFTHFJAPBXHJLPGEFPOFHOHUHKLLAYKBJMEKLGVHPBTHOLAQBXGVBQAESFPYGSLSLIFGBHPYKFQTLHAQHKFH", "ciphertext": "HJGGFTHFJAPBXHJLPGEFPOFHOHUHKLLAYKBJMEKLGVHPBTHOLAQBXGVBQAESFPYGSLSLIFGBHPYKFQTLHAQHKFH", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-025", "text": "⟨a18⟩ ⟨w02⟩ ⟨a11⟩ ⟨w06⟩ ⟨w07⟩ ⟨w07⟩ ⟨w10⟩ ⟨a12⟩ ⟨a15⟩ ⟨a18⟩ ⟨n02⟩ ⟨a12⟩ ⟨w15⟩ ⟨w36⟩ ⟨w07⟩ ⟨w10⟩", "ciphertext": "⟨a18⟩ ⟨w02⟩ ⟨a11⟩ ⟨w06⟩ ⟨w07⟩ ⟨w07⟩ ⟨w10⟩ ⟨a12⟩ ⟨a15⟩ ⟨a18⟩ ⟨n02⟩ ⟨a12⟩ ⟨w15⟩ ⟨w36⟩ ⟨w07⟩ ⟨w10⟩", "plaintext": "PROCEED AS PLANNED", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 95, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v3-0287", "text": "RQCBSLRQGQZIFRFJFZWZTTFEXJHFMXGHSKRQGQPWFLAEUQGIYQRXSLDGYOOWZIRBITSOUEBIWJKRUEMOUQPA", "ciphertext": "RQCBSLRQGQZIFRFJFZWZTTFEXJHFMXGHSKRQGQPWFLAEUQGIYQRXSLDGYOOWZIRBITSOUEBIWJKRUEMOUQPA", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012949", "text": "AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAAAA AABAA AAAAA AAABB BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA BAAAB ABAAA ABBAA ABAAB AABAA BABBA ABBAB BAAAA AAABB AABAA BAAAA BAABA AABBB AABAA AAAAB AABAA BAAAB BAABA ABABA AABAA BAAAB BAAAB ABBAB ABBAA BAAAB BAAAB AABBB ABBAB BABAA BABAA AABBB AABAA BAAAA AABAA BAABA AABBB AABAA ABABB AABAA BAABA AABBB ABBAB AAABB AABAB AAAAA ABAAA ABABA BAAAB BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABAAA BAAAB AAAAA BAABB BAAAB AABAA AABAB BAABB ABABA AAABA ABABA BAABB AABAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB AAAAA ABABA BABAA AAAAA BABBA BAAAB", "ciphertext": "AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAAAA AABAA AAAAA AAABB BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA BAAAB ABAAA ABBAA ABAAB AABAA BABBA ABBAB BAAAA AAABB AABAA BAAAA BAABA AABBB AABAA AAAAB AABAA BAAAB BAABA ABABA AABAA BAAAB BAAAB ABBAB ABBAA BAAAB BAAAB AABBB ABBAB BABAA BABAA AABBB AABAA BAAAA AABAA BAABA AABBB AABAA ABABB AABAA BAABA AABBB ABBAB AAABB AABAB AAAAA ABAAA ABABA BAAAB BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABAAA BAAAB AAAAA BAABB BAAAB AABAA AABAB BAABB ABABA AAABA ABABA BAABB AABAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB AAAAA ABABA BABAA AAAAA BABBA BAAAB", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE INDEX OF COINCIDENCE IS A USEFUL CLUE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ALWAYS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 825, "length": 825, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "gronsfeld-v2-0003", "text": "IPMEUIFMJOF", "ciphertext": "IPMEUIFMJOF", "plaintext": "HOLD THE LINE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019144", "text": "enemy north troop radio outer posts years march enter among shore units roads early shore under north claim enter roads turns array input naval three", "ciphertext": "enemy north troop radio outer posts years march enter among shore units roads early shore under north claim enter roads turns array input naval three", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "porta-v2-0630", "text": "HWMPTJNMKSZMYKWWAFXANSAMVEXJXIHJSXIEJZGCSWOJKZAXIUWWLFHRMIYKETXNNLPYBJENWZXHJFMYYMSNDBPXELWLLAQNOKJKKGGOZTXHJENNRJTUMHZTXYFDXGCJTGEXKWWNZLXIPQCZNYWCWUFSMNRCKZENNQQYKDOEVAHNNOXTMMD", "ciphertext": "HWMPTJNMKSZMYKWWAFXANSAMVEXJXIHJSXIEJZGCSWOJKZAXIUWWLFHRMIYKETXNNLPYBJENWZXHJFMYYMSNDBPXELWLLAQNOKJKKGGOZTXHJENNRJTUMHZTXYFDXGCJTGEXKWWNZLXIPQCZNYWCWUFSMNRCKZENNQQYKDOEVAHNNOXTMMD", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENT"}, "difficulty": "intermediate", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016047", "text": "6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19", "ciphertext": "6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "kryptos-201", "text": "GPHVFJNYHPLAQXXIVE", "ciphertext": "GPHVFJNYHPLAQXXIVE", "plaintext": "THE BRIDGE IS SECURED", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-v3-0273", "text": "DIKBTBPPDHELSGPPTPVEQUGAHIBLICDFZTUWBILKRAHGVTNNTPGUDAOUDWDOUVLCZSHALHTPDDVEUWRGTPFY", "ciphertext": "DIKBTBPPDHELSGPPTPVEQUGAHIBLICDFZTUWBILKRAHGVTNNTPGUDAOUDWDOUVLCZSHALHTPDDVEUWRGTPFY", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0328", "text": "IHGXSJSNILTRQYRCAH", "ciphertext": "IHGXSJSNILTRQYRCAH", "plaintext": "ARCHERS TO THE WALLS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1588", "text": "UFF OHCNM JLIWYYX NI XYMCAHUNYX LUFFS JICHNM UHX UQUCN ZOLNBYL ILXYLM ZLIG BCAB WIGGUHX HIQ", "ciphertext": "UFF OHCNM JLIWYYX NI XYMCAHUNYX LUFFS JICHNM UHX UQUCN ZOLNBYL ILXYLM ZLIG BCAB WIGGUHX HIQ", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 20}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0194", "text": "AGAGAAAVDDAXDGDGGFFFFFAFAAAVAXAAGXFAAVADDVFGAAVAVFVAGDFFVAGAGDDGXGAFDXGDDVFFAGDFGDFGFGFXGGAAAGDXGAAGAFDXAGADDGDGGGAXAAAGDGGGAAAFDVFGDFGFDFAFADDAFAADGAGG", "ciphertext": "AGAGAAAVDDAXDGDGGFFFFFAFAAAVAXAAGXFAAVADDVFGAAVAVFVAGDFFVAGAGDDGXGAFDXGDDVFFAGDFGDFGFGFXGGAAAGDXGAAGAFDXAGADDGDGGGAXAAAGDGGGAAAFDVFGDFGFDFAFADDAFAADGAGG", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 152, "length": 152, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0390", "text": "AZBWHFAGHMMLTRBDMNFGUHWKYYKFATEQRMQAVWZTNKMSXORPZRBLDCSGKECRZTSPHRROBMZFMOAS", "ciphertext": "AZBWHFAGHMMLTRBDMNFGUHWKYYKFATEQRMQAVWZTNKMSXORPZRBLDCSGKECRZTSPHRROBMZFMOAS", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-043", "text": "BPLYCQERMOUJWIVJQDKHJNYSPMYBFGXZJTIAFYPMYBCMYSM", "ciphertext": "BPLYCQERMOUJWIVJQDKHJNYSPMYBFGXZJTIAFYPMYBCMYSM", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 42}, "difficulty": "advanced", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v2-0274", "text": "GPDKGFUYRZBJRTHD", "ciphertext": "GPDKGFUYRZBJRTHD", "plaintext": "DIVIDE AND CONQUER", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014026", "text": "44 23 15 32 15 43 43 11 22 15 52 11 43 23 24 14 14 15 33 12 45 44 33 34 44 43 15 13 45 42 15 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 14 34 45 12 31 15 44 42 11 33 43 35 34 43 24 44 24 34 33 11 35 35 31 24 15 43 13 34 31 45 32 33 11 42 15 33 13 42 54 35 44 24 34 33 44 52 24 13 15 42 34 45 44 15 13 24 35 23 15 42 43 42 15 11 14 11 22 42 24 14 24 33 11 35 42 15 43 13 42 24 12 15 14 22 15 34 32 15 44 42 24 13 35 11 44 44 15 42 33", "ciphertext": "44 23 15 32 15 43 43 11 22 15 52 11 43 23 24 14 14 15 33 12 45 44 33 34 44 43 15 13 45 42 15 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 14 34 45 12 31 15 44 42 11 33 43 35 34 43 24 44 24 34 33 11 35 35 31 24 15 43 13 34 31 45 32 33 11 42 15 33 13 42 54 35 44 24 34 33 44 52 24 13 15 42 34 45 44 15 13 24 35 23 15 42 43 42 15 11 14 11 22 42 24 14 24 33 11 35 42 15 43 13 42 24 12 15 14 22 15 34 32 15 44 42 24 13 35 11 44 44 15 42 33", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "vic-037", "text": "8385938287826857829091952908385938287828182591840585818859190858086848219095", "ciphertext": "8385938287826857829091952908385938287828182591840585818859190858086848219095", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SNOWFALL"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0415", "text": "TLHBCQDYYRCXXZRUGJBBORGPB", "ciphertext": "TLHBCQDYYRCXXZRUGJBBORGPB", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "13579"}, "difficulty": "intermediate", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0577", "text": "MJRJRFEGAWMTWEXMAAGCJEQVEESHRNPVWESMMGMVALGESMQGCMNPWRHRMSFNLUPCEGFMTQQEAASEVB", "ciphertext": "MJRJRFEGAWMTWEXMAAGCJEQVEESHRNPVWESMMGMVALGESMQGCMNPWRHRMSFNLUPCEGFMTQQEAASEVB", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0266", "text": "MLSEYAGLAUKJPMBYPGEVNNBBLWTGMBMMGLQBYEWMLVMBYBIUPAPBJPMBTGDPAKIARSTEPALSIAKESFNKIQALPQAPB", "ciphertext": "MLSEYAGLAUKJPMBYPGEVNNBBLWTGMBMMGLQBYEWMLVMBYBIUPAPBJPMBTGDPAKIARSTEPALSIAKESFNKIQALPQAPB", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 89, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004853", "text": "RBHP YSGE NAFC BFNG WBAO CCYW SFQB YHZA OESA PELC GVBA GJVQ S", "ciphertext": "RBHP YSGE NAFC BFNG WBAO CCYW SFQB YHZA OESA PELC GVBA GJVQ S", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "porta", "cipher": "porta", "key": {"key": "PATTERN"}, "difficulty": "medium", "language": "en", "text_length": 49, "length": 49, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "cda-0013519", "text": "1645 5723 5703 4732 05677 0989 4801 5686 5691 1668 01013 06348 02882 04783 4460 0399 4400 01303 01275 01572 06348 1607 00958 06368 02844 4765 4438 00381 05695 01599 01889 06664 4417 1262 00317 4088 01666 04495 6289 0381 3814 06306 04716 06024 1659 0999 06649 05724 01575 06003 07945 6002 06367 01599 4101 6007 0702 1580 0341 06683 01895 04725 5706 6354 2921 5971 6331 2597 1623 5737 01634 00963 02878 05050 5676 4710 1009 0391 3834 4739 1961 06941 2883 02260 1637 04474 1576 05749 01669 0389 4481 1332 1324 1660 1009 05706 7948 5046 06293 06017 2892 06318 06015 1656 03792 1940 01643 06943 01615 5705 7853 05987 07881 06006 06324 1611 04162 04439 1597 01614 01282 06038 0406 4407 02534 04752 04484 1640 06047 6284 06355 02571 5662 1590 00397 06347 04098 4807 1269 1661 3794 1265 04751 4453 4712 06376 00950 4762 4483 1944 06660 6006 1640 04795 00655 1960 06661 5989 01028 00392 6328 02866 4764 4408 7311 2910 06341 02587 01631 04452 0975 5710 07860 5117 6285 2837 04730 4435", "ciphertext": "1645 5723 5703 4732 05677 0989 4801 5686 5691 1668 01013 06348 02882 04783 4460 0399 4400 01303 01275 01572 06348 1607 00958 06368 02844 4765 4438 00381 05695 01599 01889 06664 4417 1262 00317 4088 01666 04495 6289 0381 3814 06306 04716 06024 1659 0999 06649 05724 01575 06003 07945 6002 06367 01599 4101 6007 0702 1580 0341 06683 01895 04725 5706 6354 2921 5971 6331 2597 1623 5737 01634 00963 02878 05050 5676 4710 1009 0391 3834 4739 1961 06941 2883 02260 1637 04474 1576 05749 01669 0389 4481 1332 1324 1660 1009 05706 7948 5046 06293 06017 2892 06318 06015 1656 03792 1940 01643 06943 01615 5705 7853 05987 07881 06006 06324 1611 04162 04439 1597 01614 01282 06038 0406 4407 02534 04752 04484 1640 06047 6284 06355 02571 5662 1590 00397 06347 04098 4807 1269 1661 3794 1265 04751 4453 4712 06376 00950 4762 4483 1944 06660 6006 1640 04795 00655 1960 06661 5989 01028 00392 6328 02866 4764 4408 7311 2910 06341 02587 01631 04452 0975 5710 07860 5117 6285 2837 04730 4435", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF EVERY SYSTEM NEEDS AN HONEST THREAT MODEL DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 178, "length": 178, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0207", "text": "NQNSUOZIIQGKYOAZYWDYAYRWYMLHBOAHJMRBDDYHTQROQFZDTPKUQPRIFZGATSFHTWPKICEOUECYMZFRTWKUQRGKVBGYYQEBGBCUMZLVZACUPGCHEBJPEQNUVMTHFHUHJQIUMZFLEBGSXWTHEKGZQFILTMDBUZQLEOCTQFVFRVEVPSOUVIMPZU", "ciphertext": "NQNSUOZIIQGKYOAZYWDYAYRWYMLHBOAHJMRBDDYHTQROQFZDTPKUQPRIFZGATSFHTWPKICEOUECYMZFRTWKUQRGKVBGYYQEBGBCUMZLVZACUPGCHEBJPEQNUVMTHFHUHJQIUMZFLEBGSXWTHEKGZQFILTMDBUZQLEOCTQFVFRVEVPSOUVIMPZU", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0041", "text": "KTQSBNHJHJJXBYXRWHZAT", "ciphertext": "KTQSBNHJHJJXBYXRWHZAT", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015697", "text": ".... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .. ....  .... ...  . .  .... .....  .... ...  . .....  .. .  .... .....  ... .  . ...  ... .  .... .....  . .....", "ciphertext": ".... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .. ....  .... ...  . .  .... .....  .... ...  . .....  .. .  .... .....  ... .  . ...  ... .  .... .....  . .....", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0492", "text": "GGAGFGAFADDAAAVFAAFFGAFAAVDVDVDDVFXXVXDADVGGFDGDXVAFAAAFGAGGFFDDGAAGFAFGFGXFGXGDGVGVVVDGVVXVFVDVGVXDVFXFFDDDVDVFFDGFVFXDFVGDDAFDAFDFAFGFFAFDFAFAFDAA", "ciphertext": "GGAGFGAFADDAAAVFAAFFGAFAAVDVDVDDVFXXVXDADVGGFDGDXVAFAAAFGAGGFFDDGAAGFAFGFGXFGXGDGVGVVVDGVVXVFVDVGVXDVFXFFDDDVDVFFDGFVFXDFVGDDAFDAFDFAFGFFAFDFAFAFDAA", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014344", "text": "68 17 23 22 99 66 57 40 2 40 82 21 88 49 99 33 14 43 33 64 3 72 91 76 34 43 60 26 21 58 22 2 91 22 27 63 45 30 92 82 96 63 17 2 67 23 91 66 21 35 93 63 94 48 58", "ciphertext": "68 17 23 22 99 66 57 40 2 40 82 21 88 49 99 33 14 43 33 64 3 72 91 76 34 43 60 26 21 58 22 2 91 22 27 63 45 30 92 82 96 63 17 2 67 23 91 66 21 35 93 63 94 48 58", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0016539", "text": "859 868 843 999 854 850 860 801 851 812 999 806 824 846 821 814 851 999 812 841 808 852 873 847 857 855 999 809 826 820 852 802 847 823 854 999 866 825 859 822 999 857 866 843 999 846 844 834 874 805 825 860 855 999 801 835 846 823 800 805 813 858 855 999 826 839 810 814 869 999 843 817 999 806 843 826 839 806 824 811 813 840 808 813 999 838 812 801 854 860 853 813 854 999 834 813 859 857 814 853 999 816 851 814 850 860 814 841 806 872 999 810 824 855 858 851 826 803 862 857 824 844 840 999", "ciphertext": "859 868 843 999 854 850 860 801 851 812 999 806 824 846 821 814 851 999 812 841 808 852 873 847 857 855 999 809 826 820 852 802 847 823 854 999 866 825 859 822 999 857 866 843 999 846 844 834 874 805 825 860 855 999 801 835 846 823 800 805 813 858 855 999 826 839 810 814 869 999 843 817 999 806 843 826 839 806 824 811 813 840 808 813 999 838 812 801 854 860 853 813 854 999 834 813 859 857 814 853 999 816 851 814 850 860 814 841 806 872 999 810 824 855 858 851 826 803 862 857 824 844 840 999", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 108, "length": 108, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "vigenere-v2-0154", "text": "HCLKRKWASRRKBRWKX", "ciphertext": "HCLKRKWASRRKBRWKX", "plaintext": "COURAGE IN DARKNESS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014075", "text": "ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABABB AABAA AAAAA BAAAB BAABB BAAAA AABAA BAAAB ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAABB ABAAA BAAAB BAABA BAAAA ABAAA AAAAB BAABB BAABA ABAAA ABBAB ABBAA AAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA AAAAA BAAAA AABAA ABBAA BAABA BAABA ABBAB ABBAB ABABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA ABAAA BAABA BAAAB BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA ABAAB AABAA BAAAA AAABA ABAAB AABBB ABBAB AABAB AABAB BAAAB ABBBA BAAAA ABAAA ABBAA AAABA ABAAA ABBBA ABABA AABAA BAAAB AAAAA BABBA BAAAB BAABA AABBB AABAA BAAAB BABBA BAAAB BAABA AABAA ABABB ABABB BAABB BAAAB BAABA AAAAB AABAA BAAAB AABAA AAABA BAABB BAAAA AABAA AABAA BAABB AABAA ABBAA ABAAA AABAB AABAA ABBAA AABAA ABABB BABBA ABAAB ABBAA ABBAB BABAA BAAAB AAAAA ABABA AABBA ABBAB BAAAA ABAAA BAABA AABBB ABABB BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABAAA BAAAB AAAAA BAABB BAAAB AABAA AABAB BAABB ABABA AAABA ABABA BAABB AABAA", "ciphertext": "ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABABB AABAA AAAAA BAAAB BAABB BAAAA AABAA BAAAB ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAABB ABAAA BAAAB BAABA BAAAA ABAAA AAAAB BAABB BAABA ABAAA ABBAB ABBAA AAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA AAAAA BAAAA AABAA ABBAA BAABA BAABA ABBAB ABBAB ABABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA ABAAA BAABA BAAAB BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA ABAAB AABAA BAAAA AAABA ABAAB AABBB ABBAB AABAB AABAB BAAAB ABBBA BAAAA ABAAA ABBAA AAABA ABAAA ABBBA ABABA AABAA BAAAB AAAAA BABBA BAAAB BAABA AABBB AABAA BAAAB BABBA BAAAB BAABA AABAA ABABB ABABB BAABB BAAAB BAABA AAAAB AABAA BAAAB AABAA AAABA BAABB BAAAA AABAA AABAA BAABB AABAA ABBAA ABAAA AABAB AABAA ABBAA AABAA ABABB BABBA ABAAB ABBAA ABBAB BABAA BAAAB AAAAA ABABA AABBA ABBAB BAAAA ABAAA BAABA AABBB ABABB BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABAAA BAAAB AAAAA BAABB BAAAB AABAA AABAB BAABB ABABA AAABA ABABA BAABB AABAA", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 970, "length": 970, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "m209-v2-0223", "text": "IZRRPCLAIWDRZYMUCKRIRYMOINNQHTYLBXXPJMTCBQYQZJMDLYZJXZYTVWYJLRXJARKPYIXZINWPHZMPPZSK", "ciphertext": "IZRRPCLAIWDRZYMUCKRIRYMOINNQHTYLBXXPJMTCBQYQZJMDLYZJXZYTVWYJLRXJARKPYIXZINWPHZMPPZSK", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021200", "text": "PUBLI CINFR ASTRU CTURE DESER VESCA REFUL DESIX NEVEX YSYST EMNEX DSANH ONESZ THREA TMODX LEZXB", "ciphertext": "PUBLI CINFR ASTRU CTURE DESER VESCA REFUL DESIX NEVEX YSYST EMNEX DSANH ONESZ THREA TMODX LEZXB", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "polybius-fr-003", "text": "31 11 42 15 35 45 12 31 24 41 45 15 21 42 11 33 13 11 24 43 15 15 43 44 24 33 14 24 51 24 43 24 12 31 15 31 11 24 41 45 15 14 15 32 34 13 42 11 44 24 41 45 15 15 44 43 34 13 24 11 31 15", "ciphertext": "31 11 42 15 35 45 12 31 24 41 45 15 21 42 11 33 13 11 24 43 15 15 43 44 24 33 14 24 51 24 43 24 12 31 15 31 11 24 41 45 15 14 15 32 34 13 42 11 44 24 41 45 15 15 44 43 34 13 24 11 31 15", "plaintext": "LA REPUBLIQUE FRANCAISE EST INDIVISIBLE LAIQUE DEMOCRATIQUE ET SOCIALE", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "fr", "text_length": 124, "length": 185, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-067", "text": "PRKIXJUTTUKCCKE", "ciphertext": "PRKIXJUTTUKCCKE", "plaintext": "ABORT MISSION NOW", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-0510", "text": "WYEVOFVZSNSYG", "ciphertext": "WYEVOFVZSNSYG", "plaintext": "THE PASS IS HELD", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019545", "text": "- .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- . / .- -. / .- ..-. ..-. .. -. . / -.-. .. .--. .... . .-. / .- .--. .--. .-.. .. . ... / .- / .-.. .. -. . .- .-. / ..-. ..- -. -.-. - .. --- -. / - --- / . .- -.-. .... / .-.. . - - . .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . / .-- .. - .... / - .-. .- -. ... .--. --- ... .. - .. --- -.", "ciphertext": "- .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- . / .- -. / .- ..-. ..-. .. -. . / -.-. .. .--. .... . .-. / .- .--. .--. .-.. .. . ... / .- / .-.. .. -. . .- .-. / ..-. ..- -. -.-. - .. --- -. / - --- / . .- -.-. .... / .-.. . - - . .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . / .-- .. - .... / - .-. .- -. ... .--. --- ... .. - .. --- -.", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 191, "length": 191, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "adfgx-v2-0103", "text": "GXFDFFDXFFGDXFFXGADAGDDXAXADAADGFGAAFFAFGAAAADFGAGAFAFGDDDXXGFXXGAFDAGGXFGXAAGXDDFAGGGAFAFGAFGADFXAGDAAXADDFAGFAFDFAAFFGFDAAGGGFDAFDAGGXDXXGAXDGFAGGXFXDGXGXAXDADF", "ciphertext": "GXFDFFDXFFGDXFFXGADAGDDXAXADAADGFGAAFFAFGAAAADFGAGAFAFGDDDXXGFXXGAFDAGGXFGXAAGXDDFAGGGAFAFGAFGADFXAGDAAXADDFAGFAFDFAAFFGFDAAGGGFDAFDAGGXDXXGAXDGFAGGXFXDGXGXAXDADF", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 162, "length": 162, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0509", "text": "DRJESXOFOJEQMIN", "ciphertext": "DRJESXOFOJEQMIN", "plaintext": "CAVALRY ADVANCES", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0148", "text": "WROHVIYNVIYL", "ciphertext": "WROHVIYNVIYL", "plaintext": "VENI VIDI VICI", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012238", "text": "20.22.13 13.16.13 8.25.8 2.39.7 13.15.2 16.6.7 11.37.11 19.12.6 2.2.12 2.46.13 3.5.9 10.48.3 2.41.6 14.48.4 17.1.8 20.14.3 20.29.2 8.1.14 4.25.11 13.36.14 14.40.12 13.45.9 7.39.2 9.48.13 17.10.6 14.13.15 10.37.4 5.23.6 8.36.15 2.40.2 2.13.13 20.26.3 17.26.6 2.21.3 8.29.4 4.3.15 4.7.7 20.45.6 11.26.15 9.6.13 11.3.4 3.38.5 1.3.15", "ciphertext": "20.22.13 13.16.13 8.25.8 2.39.7 13.15.2 16.6.7 11.37.11 19.12.6 2.2.12 2.46.13 3.5.9 10.48.3 2.41.6 14.48.4 17.1.8 20.14.3 20.29.2 8.1.14 4.25.11 13.36.14 14.40.12 13.45.9 7.39.2 9.48.13 17.10.6 14.13.15 10.37.4 5.23.6 8.36.15 2.40.2 2.13.13 20.26.3 17.26.6 2.21.3 8.29.4 4.3.15 4.7.7 20.45.6 11.26.15 9.6.13 11.3.4 3.38.5 1.3.15", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "cda-0010546", "text": "OGPOFV SAQCQSG PK FRHSEEWAU HUS OYBVOPSG FVR WBQSL BT QBWBNWRRNQR WG O GGRTIY QZHS", "ciphertext": "OGPOFV SAQCQSG PK FRHSEEWAU HUS OYBVOPSG FVR WBQSL BT QBWBNWRRNQR WG O GGRTIY QZHS", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "porta", "cipher": "porta", "key": {"key": "KEY"}, "difficulty": "medium", "language": "en", "text_length": 69, "length": 69, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "enigma-v3-0747", "text": "YIMCTQENHACUHMRGVXKT", "ciphertext": "YIMCTQENHACUHMRGVXKT", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "VWX"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020658", "text": "27 25 67 82 43 94 22 99 87 76 52 23 11 67 41 34 22 79 23 58 43 59 99 57 25 88 48 1 30 63 94 2 67 22 60 91 86 45 43 36 14 27 3 48 21 59 63 88 23 34 48 99 87 34 41 63 60 11 52 59 24 58 27 63 17 43 86 66 91 94 68 86 72 63 26 96 92 67 49 14 50 82 96 63 17 27 67 22 60 43 25 94 48 79 93 57 22 15 48 58 33 35 49 63 94 33 58 32 50 48 11 82 58 23 63 48 2 68 59 81 57 80 22 92 86 26 3 62 21 96 27 11 43 49 35 2 30 21 49 63 88 23 58 43 68 33 82 87 17 78 94 41 4 26 62 48 34 15 50 22 87 32 58 49 91 92 4 82 60 91 22 34 11", "ciphertext": "27 25 67 82 43 94 22 99 87 76 52 23 11 67 41 34 22 79 23 58 43 59 99 57 25 88 48 1 30 63 94 2 67 22 60 91 86 45 43 36 14 27 3 48 21 59 63 88 23 34 48 99 87 34 41 63 60 11 52 59 24 58 27 63 17 43 86 66 91 94 68 86 72 63 26 96 92 67 49 14 50 82 96 63 17 27 67 22 60 43 25 94 48 79 93 57 22 15 48 58 33 35 49 63 94 33 58 32 50 48 11 82 58 23 63 48 2 68 59 81 57 80 22 92 86 26 3 62 21 96 27 11 43 49 35 2 30 21 49 63 88 23 58 43 68 33 82 87 17 78 94 41 4 26 62 48 34 15 50 22 87 32 58 49 91 92 4 82 60 91 22 34 11", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE VIGENERE CIPHER USES A REPEATING KEYWORD CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 173, "length": 173, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "kl7-v2-0224", "text": "UPVMKMEGKAMAFMOUCVDNELDSZOLFZXXJYDCVBOBWMBKDRDEUBPQEOLBCBSTOTLUFIWGHNNZBHAHHUO", "ciphertext": "UPVMKMEGKAMAFMOUCVDNELDSZOLFZXXJYDCVBOBWMBKDRDEUBPQEOLBCBSTOTLUFIWGHNNZBHAHHUO", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-042", "text": "LGPKGUFNYDJSIHDZKHGIERSABXBXCHJSIVHCETLCCIGELOPZXWTXQDAKDEOCXRMA", "ciphertext": "LGPKGUFNYDJSIHDZKHGIERSABXBXCHJSIVHCETLCCIGELOPZXWTXQDAKDEOCXRMA", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "SIGABA"}, "difficulty": "expert", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0382", "text": "BGLTTPSDDWVGXHKPALXPPWUQDTETMALLLEVZRFSNQFQBSNZDQHWAHTMALIERKAVFSJBLLALWMH", "ciphertext": "BGLTTPSDDWVGXHKPALXPPWUQDTETMALLLEVZRFSNQFQBSNZDQHWAHTMALIERKAVFSJBLLALWMH", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010652", "text": "N ZBQRY PNA PYNFFVSL CNGGREAF OHG VG PNA NYFB OR JEBAT OEHGR SBEPR JBEXF BAYL JURA GUR XRL FCNPR VF FZNYY ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL BCRA FBHEPR GBBYF NYYBJ VAQRCRAQRAG IREVSVPNGVBA", "ciphertext": "N ZBQRY PNA PYNFFVSL CNGGREAF OHG VG PNA NYFB OR JEBAT OEHGR SBEPR JBEXF BAYL JURA GUR XRL FCNPR VF FZNYY ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL BCRA FBHEPR GBBYF NYYBJ VAQRCRAQRAG IREVSVPNGVBA", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "lorenz-083", "text": "THEKINGISDEAD", "ciphertext": "THEKINGISDEAD", "plaintext": "THE KING IS DEAD", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v3-0027", "text": "KTQBLRLNYGJNGWLMYSFU", "ciphertext": "KTQBLRLNYGJNGWLMYSFU", "plaintext": "THE COMPASS POINTS TRUE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0352", "text": "AERWLHGCPADWFNQNATSPECHRPAWMHYNNIEOUGHNASNARMQFKECSKONDZERXEPUSPANSOBLBQIQAKNUHOCY", "ciphertext": "AERWLHGCPADWFNQNATSPECHRPAWMHYNNIEOUGHNASNARMQFKECSKONDZERXEPUSPANSOBLBQIQAKNUHOCY", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-097", "text": "NYEV JV KYSVUAI FU NYEV JV QVTAW BTYQ XTAUYZL WVGUI", "ciphertext": "NYEV JV KYSVUAI FU NYEV JV QVTAW BTYQ XTAUYZL WVGUI", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 42, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0004398", "text": "TIG GIYKJBRFP EGISYVK IUOPBPMS CGISWK TITSYS PZPYDK", "ciphertext": "TIG GIYKJBRFP EGISYVK IUOPBPMS CGISWK TITSYS PZPYDK", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "enigma-v3-0396", "text": "KWLXMVJPJXMETGQGMXMZCRBYRQIPTXOVYGUBOIASUBIDZFSXBJONJHCBDVOXCSCVBLIRBFRIJI", "ciphertext": "KWLXMVJPJXMETGQGMXMZCRBYRQIPTXOVYGUBOIASUBIDZFSXBJONJHCBDVOXCSCVBLIRBFRIJI", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "JKL"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-010", "text": "GSV KZXPZTV RH WVOREVIVW", "ciphertext": "GSV KZXPZTV RH WVOREVIVW", "plaintext": "THE PACKAGE IS DELIVERED", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 21, "length": 24, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v3-0238", "text": "AWHXGBHIIWISCAMYDUDNHCGFIOSXP", "ciphertext": "AWHXGBHIIWISCAMYDUDNHCGFIOSXP", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0512", "text": "TWOUUHRIHUAQEHTAEGSFBUNOWNEUAEHIQUWAYLIWTNVKCFTECNDBOIDUTIIYBNNDBDEV", "ciphertext": "TWOUUHRIHUAQEHTAEGSFBUNOWNEUAEHIQUWAYLIWTNVKCFTECNDBOIDUTIIYBNNDBDEV", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0210", "text": "YBCKZSRUSKWHVCIHKWGRCAWGOROBUSFCIGHVWBUOBRKWGRCAKWHVCIHQCIFOUSWGIZHWAOHSZMKCFHVZSGG", "ciphertext": "YBCKZSRUSKWHVCIHKWGRCAWGOROBUSFCIGHVWBUOBRKWGRCAKWHVCIHQCIFOUSWGIZHWAOHSZMKCFHVZSGG", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-v2-0001", "text": "GSV WRV RH XZHG", "ciphertext": "GSV WRV RH XZHG", "plaintext": "THE DIE IS CAST", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0226", "text": "ILVFDLASSUAKMYIMSSUAKMSSUAKMSSMKPLRLTMDMSIMSQUAVFVAKOLGMAINFAIMATARKM", "ciphertext": "ILVFDLASSUAKMYIMSSUAKMSSUAKMSSMKPLRLTMDMSIMSQUAVFVAKOLGMAINFAIMATARKM", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006806", "text": "DEENODICOHIEEIXNNNYGRCPDILAIFNLNUUKYRIESTXXYETNAPEBCTMDFIHARELYTPNEVSX", "ciphertext": "DEENODICOHIEEIXNNNYGRCPDILAIFNLNUUKYRIESTXXYETNAPEBCTMDFIHARELYTPNEVSX", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 5}, "difficulty": "medium", "language": "en", "text_length": 70, "length": 70, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "kl7-v3-0245", "text": "ALWRKYFUUDNFAVXCGYA", "ciphertext": "ALWRKYFUUDNFAVXCGYA", "plaintext": "THE TELESCOPE REVEALS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v3-0073", "text": "-... .-.. . ... ... . -.. / .- .-. . / - .... . / -- . . -.- / ..-. --- .-. / - .... . -.-- / ... .... .- .-.. .-.. / .. -. .... . .-. .. - / - .... . / . .- .-. - .... / .- -. -.. / - .... . / .--. . .- -.-. . -- .- -.- . .-. ... / ... .... .- .-.. .-.. / -... . / -.-. .- .-.. .-.. . -.. / ... --- -. ...", "ciphertext": "-... .-.. . ... ... . -.. / .- .-. . / - .... . / -- . . -.- / ..-. --- .-. / - .... . -.-- / ... .... .- .-.. .-.. / .. -. .... . .-. .. - / - .... . / . .- .-. - .... / .- -. -.. / - .... . / .--. . .- -.-. . -- .- -.- . .-. ... / ... .... .- .-.. .-.. / -... . / -.-. .- .-.. .-.. . -.. / ... --- -. ...", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 213, "length": 306, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-107", "text": "90 29 19 46 89 91 90 41 68 88 89 91 90 29 68 47 89 91 90 68 91 90 82 11 55 30 91 90 89 91 90 76 27 78 91 90 68 91 90 47 69 66 36 72 19 87 30 62 91 90 11 54 10 91 90 89 46 91 90 27 91 90 58 68 66 42 54 19 91 125", "ciphertext": "90 29 19 46 89 91 90 41 68 88 89 91 90 29 68 47 89 91 90 68 91 90 82 11 55 30 91 90 89 91 90 76 27 78 91 90 68 91 90 47 69 66 36 72 19 87 30 62 91 90 11 54 10 91 90 89 46 91 90 27 91 90 58 68 66 42 54 19 91 125", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 141, "length": 210, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v2-0048", "text": "DQVKGOJPUWLFYPYMYJNGODOWKERPAHWDYPLKRDXIZELHFEIMTHVEWRHCKHZFHQIESUPL", "ciphertext": "DQVKGOJPUWLFYPYMYJNGODOWKERPAHWDYPLKRDXIZELHFEIMTHVEWRHCKHZFHQIESUPL", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0774", "text": "SUSGPBBMXSHOF", "ciphertext": "SUSGPBBMXSHOF", "plaintext": "AWAIT MY SIGNAL", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 71}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-066", "text": "YDCHRIQKNCPQFHKPZCFCBY", "ciphertext": "YDCHRIQKNCPQFHKPZCFCBY", "plaintext": "THE PACKAGE IS DELIVERED", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006480", "text": "PEC MOJDZI XLNFIZ IRXZYNPM GLWZDNFM ELPF PEC NCVYQLJM DVNFDQIPM", "ciphertext": "PEC MOJDZI XLNFIZ IRXZYNPM GLWZDNFM ELPF PEC NCVYQLJM DVNFDQIPM", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "DQXGIUWFLKSVTRCNOZMPJHEBYA"}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "cda-0021060", "text": "20 8 5 2 9 6 9 4 3 9 16 8 5 18 3 15 13 2 9 14 5 19 1 16 15 12 25 2 9 21 19 19 17 21 1 18 5 23 9 20 8 20 18 1 14 19 16 15 19 9 20 9 15 14 4 15 14 15 20 3 15 14 6 21 19 5 15 2 6 21 19 3 1 20 9 15 14 23 9 20 8 5 14 3 18 25 16 20 9 15 14", "ciphertext": "20 8 5 2 9 6 9 4 3 9 16 8 5 18 3 15 13 2 9 14 5 19 1 16 15 12 25 2 9 21 19 19 17 21 1 18 5 23 9 20 8 20 18 1 14 19 16 15 19 9 20 9 15 14 4 15 14 15 20 3 15 14 6 21 19 5 15 2 6 21 19 3 1 20 9 15 14 23 9 20 8 5 14 3 18 25 16 20 9 15 14", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 91, "length": 91, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0015819", "text": "ECWW AWEO ACIM QEEQ EOII KOKI YOWM QEWI AWEO ACIM KOQK MKPH CYND EHRF RMBQ QTHO SLDX KLAQ TMAG PESZ CPNH GXJA INGD N", "ciphertext": "ECWW AWEO ACIM QEEQ EOII KOKI YOWM QEWI AWEO ACIM KOQK MKPH CYND EHRF RMBQ QTHO SLDX KLAQ TMAG PESZ CPNH GXJA INGD N", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING CERTAINLY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0878", "text": "VMBKVREPQJPKAZCLUMWWVDVEBATFMZPIXBDSHNIYTQJAHCXLDQAIIWUPAPGOTJUXWKKISANUGKAZOPTBRFYYJSVNDNJQTERTNFHGWSBJGMZZRBTRIFQLQDTDUHXJZNENTLSCUFBRVVGYCTTFEJWTXQQ", "ciphertext": "VMBKVREPQJPKAZCLUMWWVDVEBATFMZPIXBDSHNIYTQJAHCXLDQAIIWUPAPGOTJUXWKKISANUGKAZOPTBRFYYJSVNDNJQTERTNFHGWSBJGMZZRBTRIFQLQDTDUHXJZNENTLSCUFBRVVGYCTTFEJWTXQQ", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v3-0046", "text": "44 23 15 21 11 13 44 34 42 54 42 34 11 42 43", "ciphertext": "44 23 15 21 11 13 44 34 42 54 42 34 11 42 43", "plaintext": "THE FACTORY ROARS", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0111", "text": "OPUBCXMSJETTDDLMSJPOFTTLLNEFNCXBJIDXMXPDSFTXDFSSDQOQXDJMSJCDDCUBJHVDTXPDOJMTVDSXPDTFWOLBADXIQNCXMTDBLJPDVVJDFSSDOLAVLEOVJQNADFFISODJIONPDFCSLIDQFNJJMTVJIFNAVXHDVUKTLFCXFL", "ciphertext": "OPUBCXMSJETTDDLMSJPOFTTLLNEFNCXBJIDXMXPDSFTXDFSSDQOQXDJMSJCDDCUBJHVDTXPDOJMTVDSXPDTFWOLBADXIQNCXMTDBLJPDVVJDFSSDOLAVLEOVJQNADFFISODJIONPDFCSLIDQFNJJMTVJIFNAVXHDVUKTLFCXFL", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0193", "text": "OGNWQKEOCRBWBXWPMVZUKIYSQLARTLXYFGOWFPTIJQKADCHXDZBPSDPHAFQKSTASXBZHDUUVHITIUHHVULH", "ciphertext": "OGNWQKEOCRBWBXWPMVZUKIYSQLARTLXYFGOWFPTIJQKADCHXDZBPSDPHAFQKSTASXBZHDUUVHITIUHHVULH", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009300", "text": "E DHEWAKEHMWD DGGS AVGPSX AVGO CDA HMEAGWCWY KMMH HMTCMO EWX HMKHGXPFCICSCDU REDDMH CW HMAMEHFV BECS FSGAMX CA E KGADPHM WGD E ASGYEW DVM CWXML GB FGCWFCXMWFM CA E PAMBPS FSPM", "ciphertext": "E DHEWAKEHMWD DGGS AVGPSX AVGO CDA HMEAGWCWY KMMH HMTCMO EWX HMKHGXPFCICSCDU REDDMH CW HMAMEHFV BECS FSGAMX CA E KGADPHM WGD E ASGYEW DVM CWXML GB FGCWFCXMWFM CA E PAMBPS FSPM", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH FAIL CLOSED IS A POSTURE NOT A SLOGAN THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "EIFXMBYVCJQSRWGKZHADPTOLUN"}, "difficulty": "hard", "language": "en", "text_length": 146, "length": 146, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "porta-285", "text": "NWZKYFABJQIVZUCLHDZQUZEGYPYFZTOYILONLHDMPSUCQL", "ciphertext": "NWZKYFABJQIVZUCLHDZQUZEGYPYFZTOYILONLHDMPSUCQL", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryha-v2-0213", "text": "YLSJEZMKMNFUXBDMHZGKZJCFWSUEOHNCUVEVPYBYCAFHSAGFRVZGGOSPRMBGGIRJEGWLQHCPKNGW", "ciphertext": "YLSJEZMKMNFUXBDMHZGKZJCFWSUEOHNCUVEVPYBYCAFHSAGFRVZGGOSPRMBGGIRJEGWLQHCPKNGW", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-071", "text": "CHANGEOFPLANS", "ciphertext": "CHANGEOFPLANS", "plaintext": "CHANGE OF PLANS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-094", "text": "1727420717245215717229237218571172742071724574296717229237218571", "ciphertext": "1727420717245215717229237218571172742071724574296717229237218571", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "CIPHERMUS"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0273", "text": "P4KSQJUXVPB", "ciphertext": "P4KSQJUXVPB", "plaintext": "KNOW THYSELF", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0209", "text": "EQT KGWUMT QWF FJKOTY", "ciphertext": "EQT KGWUMT QWF FJKOTY", "plaintext": "THE ORACLE HAS SPOKEN", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0120", "text": "B1 L1 R8 M6 X7 R7 B2 A4 G7 R8 V4 Y6 A3 Q1 X2 U6 C3 C4 O6 S0 G7 S7 M6 B0 S7 Q7 I5 X7 M2 P9 L6 A3 P2 P9 N7 R7 P6 P3 H2 C0 J9 G6 C1 M6 T0 M8 C5 K7 C1 B2 X7 B0 Q3 R7 R5 Y0 S6 U4 R7 R8 X2 C1 C7 R7 H2 R8 C7 Y6 L0 M8 C2 C9 O9 A5 B0 A9 O1 S1 B7 C2 B8 X2 C5 Z1 C1 O9 P6 G7 Y0 A9 K8 O6 S1 J9 G7 K8 A6 T7 B5 B3 O3 T8 R8 O6 R1 K0 Y6 R1 B2 A5 O4 A3 O0 C1 Y6 L0 K8 T0 X2 C3 C7 R7 T9 M6 Z1 S0 G9 Q6 R1 D0 H2 O6 I3 A9 L0 K4 Q7 K8 I8 N3 A4 R5 S0 A6 M9 A5 C8 S0 Q7 R8 A5 V4 A1 M2 R5 Y0 D0 Q8 K7 T2 M6 O5 U6 O4 B7 X2 M9 S1 I8 Q3 K0 Y0 N2 B0 S7 M2 B0 O8 C5 G6 P3", "ciphertext": "B1 L1 R8 M6 X7 R7 B2 A4 G7 R8 V4 Y6 A3 Q1 X2 U6 C3 C4 O6 S0 G7 S7 M6 B0 S7 Q7 I5 X7 M2 P9 L6 A3 P2 P9 N7 R7 P6 P3 H2 C0 J9 G6 C1 M6 T0 M8 C5 K7 C1 B2 X7 B0 Q3 R7 R5 Y0 S6 U4 R7 R8 X2 C1 C7 R7 H2 R8 C7 Y6 L0 M8 C2 C9 O9 A5 B0 A9 O1 S1 B7 C2 B8 X2 C5 Z1 C1 O9 P6 G7 Y0 A9 K8 O6 S1 J9 G7 K8 A6 T7 B5 B3 O3 T8 R8 O6 R1 K0 Y6 R1 B2 A5 O4 A3 O0 C1 Y6 L0 K8 T0 X2 C3 C7 R7 T9 M6 Z1 S0 G9 Q6 R1 D0 H2 O6 I3 A9 L0 K4 Q7 K8 I8 N3 A4 R5 S0 A6 M9 A5 C8 S0 Q7 R8 A5 V4 A1 M2 R5 Y0 D0 Q8 K7 T2 M6 O5 U6 O4 B7 X2 M9 S1 I8 Q3 K0 Y0 N2 B0 S7 M2 B0 O8 C5 G6 P3", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 362, "length": 542, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002030", "text": "TIG IVNKKUJX EQFH JIVK MBZ EKBDX PH FSNTJQMOYOR HD UJLBGVPB IDY MGQKYN", "ciphertext": "TIG IVNKKUJX EQFH JIVK MBZ EKBDX PH FSNTJQMOYOR HD UJLBGVPB IDY MGQKYN", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 59, "length": 59, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "adfgvx-v2-0274", "text": "GDGAADGGGXDDDFFADAVDXAFDVGDVDXFX", "ciphertext": "GDGAADGGGXDDDFFADAVDXAFDVGDVDXFX", "plaintext": "DIVIDE AND CONQUER", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0387", "text": "SBXXRCXXRTMPIULR", "ciphertext": "SBXXRCXXRTMPIULR", "plaintext": "THE HARBOR IS CLEAR", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v3-0037", "text": "- .... . / - . .-.. . ... -.-. --- .--. . / .-. . ...- . .- .-.. ...", "ciphertext": "- .... . / - . .-.. . ... -.-. --- .--. . / .-. . ...- . .- .-.. ...", "plaintext": "THE TELESCOPE REVEALS", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 48, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0242", "text": "ULGKNDEDIMLLUFGPGQPSNDGLILHDBPDLTTCUOBKQGIMOOHIGRQTVTCOTGGSSDDTTWQRERRREIZ", "ciphertext": "ULGKNDEDIMLLUFGPGQPSNDGLILHDBPDLTTCUOBKQGIMOOHIGRQTVTCOTGGSSDDTTWQRERRREIZ", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0291", "text": "EKGJTXK WAWN WMM QWYXF VGWUT", "ciphertext": "EKGJTXK WAWN WMM QWYXF VGWUT", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019547", "text": "UAOMV IRKMU BWLVV GVRIM RTDRN BZGTU WNMTU WZSRF JNUAC LSPAM BFENX HYXIM MVOVC EQEYS TEIHJ ILYXU IBIYJ LWLVY CEESQ GLIIY JXSYQ TWKQW WTEEI UBXDO VEOYJ TTKRT XYJRB PVXCK GHMAK LLLPA JKEHJ FVVQH ALVLW GAPIS RELHN IOQIL AFVD", "ciphertext": "UAOMV IRKMU BWLVV GVRIM RTDRN BZGTU WNMTU WZSRF JNUAC LSPAM BFENX HYXIM MVOVC EQEYS TEIHJ ILYXU IBIYJ LWLVY CEESQ GLIIY JXSYQ TWKQW WTEEI UBXDO VEOYJ TTKRT XYJRB PVXCK GHMAK LLLPA JKEHJ FVVQH ALVLW GAPIS RELHN IOQIL AFVD", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "hill-v3-0297", "text": "RCMUTKJGGZUYMHJTQAMMSRJWGWYHMYFRKQHDTAYTKQRFXOJDJUTZTLRTVPJWAPDTQMTQOLOCZSHUVNNESQNF", "ciphertext": "RCMUTKJGGZUYMHJTQAMMSRJWGWYHMYFRKQHDTAYTKQRFXOJDJUTZTLRTVPJWAPDTQMTQOLOCZSHUVNNESQNF", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0131", "text": "YODBFWOWNBSGFFLDZAOP", "ciphertext": "YODBFWOWNBSGFFLDZAOP", "plaintext": "THE COMPASS POINTS TRUE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v3-0060", "text": "CEAVASBIHLDATIREAIELHXARRGILRHVSGHNEOUEXETTYDNCXOBOOEDAXFRTFTRVXTIHDHEAXHGEEEDLX", "ciphertext": "CEAVASBIHLDATIREAIELHXARRGILRHVSGHNEOUEXETTYDNCXOBOOEDAXFRTFTRVXTIHDHEAXHGEEEDLX", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0029", "text": "PSLPGMGXCNVGETVBTICUG", "ciphertext": "PSLPGMGXCNVGETVBTICUG", "plaintext": "PATIENCE BRINGS VICTORY", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0156", "text": "ANBDQSOHRGDFUEQQTRM", "ciphertext": "ANBDQSOHRGDFUEQQTRM", "plaintext": "WISDOM GUARDS THE GATE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0264", "text": "TULMVRQBCDNSOUSLWZZ", "ciphertext": "TULMVRQBCDNSOUSLWZZ", "plaintext": "MISSION ACCOMPLISHED", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018272", "text": ". .  .... ...  . ...  ..... ....  .... ....  . .  ... .  . .....  .. ....  .... ...  . .  .... ..  ... ....  . ....  .... .....  .... ...  . .....  . ....  . ..  ..... ....  .... ...  ... .....  . .  .... ..  .... ....  . .  ... ...  .... ...  .... ....  ... ....  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  ... ..  . .....  .... ...  .... ...  . .  .. ..  . .....  .... ...  .... ....  .. ...  . .....  ... .....  ... .  . .  ..... ....  .. .  . .  .. ....  .... ..  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  ... .....  . .  .. ....  .... ..  .... ...  ... ....  .. .  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  .... ...  .. ....  ... ..  .... .....  ... .  .... ....  . .  ... ...  . .....  ... ....  .... .....  .... ...  ... .  ..... ....", "ciphertext": ". .  .... ...  . ...  ..... ....  .... ....  . .  ... .  . .....  .. ....  .... ...  . .  .... ..  ... ....  . ....  .... .....  .... ...  . .....  . ....  . ..  ..... ....  .... ...  ... .....  . .  .... ..  .... ....  . .  ... ...  .... ...  .... ....  ... ....  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  ... ..  . .....  .... ...  .... ...  . .  .. ..  . .....  .... ...  .... ....  .. ...  . .....  ... .....  ... .  . .  ..... ....  .. .  . .  .. ....  .... ..  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  ... .....  . .  .. ....  .... ..  .... ...  ... ....  .. .  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  .... ...  .. ....  ... ..  .... .....  ... .  .... ....  . .  ... ...  . .....  ... ....  .... .....  .... ...  ... .  ..... ....", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "zimmermann-v3-0019", "text": "00000 99999 90000 90011 90002 90007 90004 90012 90008 90018 90019 99998 99999 90018 90020 90002 90002 90004 90004 90003 90018 99998", "ciphertext": "00000 99999 90000 90011 90002 90007 90004 90012 90008 90018 90019 99998 99999 90018 90020 90002 90002 90004 90004 90003 90018 99998", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 110, "length": 131, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1137", "text": "WDAS IWT AXCT", "ciphertext": "WDAS IWT AXCT", "plaintext": "HOLD THE LINE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 15}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-079", "text": "PUAQWZOVLQMYCYLU", "ciphertext": "PUAQWZOVLQMYCYLU", "plaintext": "NO PRISONERS TAKEN", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019321", "text": "DVTIE SEOFJ QRUHK LKVTJ JCNAO SRVMG RFBRX TITYJ OFNHD YNGDK IMJPL EACDJ CGYXV PINUE ZLRDS RDJGC", "ciphertext": "DVTIE SEOFJ QRUHK LKVTJ JCNAO SRVMG RFBRX TITYJ OFNHD YNGDK IMJPL EACDJ CGYXV PINUE ZLRDS RDJGC", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "geez-monastic-v2-0316", "text": "UQHZUJYUFMPVQASJUFWPPUFJYMFMWQUWYAPMWYYVUHYUVUFJYMVSYHYAMQZUWYAJYDJYWPPSWLZ", "ciphertext": "UQHZUJYUFMPVQASJUFWPPUFJYMFMWQUWYAPMWYYVUHYUVUFJYMVSYHYAMQZUWYAJYDJYWPPSWLZ", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-204", "text": "KPFZKYGGYE", "ciphertext": "KPFZKYGGYE", "plaintext": "TRUST NO ONE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0062", "text": "4HPLMVMIZM2WIEEHGVMIZHCPENFTUECTMEOEFEYHOAEIPDMSCIGGTALNEAQX3RPSD45TDLJSPTPRQ", "ciphertext": "4HPLMVMIZM2WIEEHGVMIZHCPENFTUECTMEOEFEYHOAEIPDMSCIGGTALNEAQX3RPSD45TDLJSPTPRQ", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014730", "text": "801 999 855 808 872 859 800 834 814 999 826 856 999 802 999 852 844 810 999 862 856 814 810 999 803 874 999 854 846 801 851 857 801 839 854 999 858 844 999 814 840 807 851 874 845 858 999 837 814 855 855 802 818 812 854 999 851 844 860 858 814 999 806 824 845 821 814 851 856 999 851 813 800 810 999 801 999 819 853 825 809 999 825 841 999 802 999 847 851 813 854 806 853 824 805 813 810 999 818 813 842 837 812 857 851 826 808 999 846 802 859 859 814 852 840 999 858 823 814 999 805 813 855 857 999 835 812 854 854 844 839 856 999 855 823 844 868 999 866 822 812 851 813 999 859 821 813 999 836 814 857 823 843 811 999 816 802 824 834 856 999 820 852 842 839 855 816 813 833 811 999 860 856 812 855 999 802 999 809 826 818 824 857 999 855 813 849 860 812 841 808 812 999 801 854 999 859 823 814 999 853 812 845 813 801 857 825 841 818 999 830 813 873 999", "ciphertext": "801 999 855 808 872 859 800 834 814 999 826 856 999 802 999 852 844 810 999 862 856 814 810 999 803 874 999 854 846 801 851 857 801 839 854 999 858 844 999 814 840 807 851 874 845 858 999 837 814 855 855 802 818 812 854 999 851 844 860 858 814 999 806 824 845 821 814 851 856 999 851 813 800 810 999 801 999 819 853 825 809 999 825 841 999 802 999 847 851 813 854 806 853 824 805 813 810 999 818 813 842 837 812 857 851 826 808 999 846 802 859 859 814 852 840 999 858 823 814 999 805 813 855 857 999 835 812 854 854 844 839 856 999 855 823 844 868 999 866 822 812 851 813 999 859 821 813 999 836 814 857 823 843 811 999 816 802 824 834 856 999 820 852 842 839 855 816 813 833 811 999 860 856 812 855 999 802 999 809 826 818 824 857 999 855 813 849 860 812 841 808 812 999 801 854 999 859 823 814 999 853 812 845 813 801 857 825 841 818 999 830 813 873 999", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE BEST LESSONS SHOW WHERE THE METHOD FAILS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "vic-184", "text": "89018088021818588704019089", "ciphertext": "89018088021818588704019089", "plaintext": "SEND REINFORCEMENTS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017011", "text": "BAAB AAAB BBAA BAAA AAAB AABA ABAA ABBA ABAA BABA AABA ABAA ABBA AABA BBAB ABBA ABAA ABBA AABA ABBB ABBA BBAB AABA BAAA ABBB AABA ABAA AAAA BAAB AABA AABB BAAB AAAB ABBA ABAA BAAB AAAB BBAB BABA AABB AABA BAAA AAAB AAAA BABA BAAA B", "ciphertext": "BAAB AAAB BBAA BAAA AAAB AABA ABAA ABBA ABAA BABA AABA ABAA ABBA AABA BBAB ABBA ABAA ABBA AABA ABBB ABBA BBAB AABA BAAA ABBB AABA ABAA AAAA BAAB AABA AABB BAAB AAAB ABBA ABAA BAAB AAAB BBAB BABA AABB AABA BAAA AAAB AAAA BABA BAAA B", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0016998", "text": "┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ ⌐· ┌· L └· X· L ─ r ⌒· ⌐ ─ ⌐ └ ⌒· X Γ· X r ⌐ ─ ┌· L K· L ⌐ └ ⌒ L ⌐ ┐ r Γ· ┐· r· L ┌· X", "ciphertext": "┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ ⌐· ┌· L └· X· L ─ r ⌒· ⌐ ─ ⌐ └ ⌒· X Γ· X r ⌐ ─ ┌· L K· L ⌐ └ ⌒ L ⌐ ┐ r Γ· ┐· r· L ┌· X", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 30, "length": 30, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "playfair-v2-0039", "text": "UNQAAHKEADWCFLEFCKFRDQLELZ", "ciphertext": "UNQAAHKEADWCFLEFCKFRDQLELZ", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-232", "text": "ABBFYLAHIHLEQVWOVLHOHUKQYTNRSUSIKPFOJSAVFVUCYTPJELMITDHOTO", "ciphertext": "ABBFYLAHIHLEQVWOVLHOHUKQYTNRSUSIKPFOJSAVFVUCYTPJELMITDHOTO", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-fr-039", "text": "MHNM VX JNB XLM XQVXLLBY XLM BGLBZGBYBTGM", "ciphertext": "MHNM VX JNB XLM XQVXLLBY XLM BGLBZGBYBTGM", "plaintext": "TOUT CE QUI EST EXCESSIF EST INSIGNIFIANT", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 19}, "difficulty": "beginner", "language": "fr", "text_length": 35, "length": 41, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v3-0841", "text": "CCSINNDVALKBBECP", "ciphertext": "CCSINNDVALKBBECP", "plaintext": "RENDER UNTO CAESAR", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0401", "text": "ADAAFFDFFGAXAFFGAGFXAXAGDAAAGADXXFFGAAFDAXGDAADGGFXXGAGFFAXFGFDXFGAGADGFDFAAGGXXAGFDAGAAGDAFGGADGAGGDAFXXAAFXFGGGGFGDGGAFAAGGADAAGXAAFDDDGDFDFFADGGA", "ciphertext": "ADAAFFDFFGAXAFFGAGFXAXAGDAAAGADXXFFGAAFDAXGDAADGGFXXGAGFFAXFGFDXFGAGADGFDFAAGGXXAGFDAGAAGDAFGGADGAGGDAFXXAAFXFGGGGFGDGGAFAAGGADAAGXAAFDDDGDFDFFADGGA", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0188", "text": "MJMWWJADIYJFQGWWKTPBQDXELOLSRJXSDOCYJJWYJISPOMPQNHTTGFLWEFLKZRALOFOLMZAKVB", "ciphertext": "MJMWWJADIYJFQGWWKTPBQDXELOLSRJXSDOCYJJWYJISPOMPQNHTTGFLWEFLKZRALOFOLMZAKVB", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0118", "text": "PCEODDATLEQS", "ciphertext": "PCEODDATLEQS", "plaintext": "THE DIE IS CAST", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-1010", "text": "MCLTSMLCQWTEVEPCRUFCFROJTLQUXYWXBWADBTAJGHRVQANNULEJSXOOUQIUHHOBLYZFAQYO", "ciphertext": "MCLTSMLCQWTEVEPCRUFCFROJTLQUXYWXBWADBTAJGHRVQANNULEJSXOOUQIUHHOBLYZFAQYO", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0208", "text": "DRVFMISSIOOHKVOUTLSRPODFACADPTEQBQDFBYYFACCPHEAGRLTFROHGLLRIAOPFKZIHPFSTSIRAKS", "ciphertext": "DRVFMISSIOOHKVOUTLSRPODFACADPTEQBQDFBYYFACCPHEAGRLTFROHGLLRIAOPFKZIHPFSTSIRAKS", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004624", "text": "TCMO QHSO STEP EHIB LUTI NESA EYEP IYAR TSSE SAXB HNBR AIFA QTTX IEEI ENOE DUHI XFRS UWSN LIEE NXIC ASIP GDGN RGXD OPST ORUI CEKX", "ciphertext": "TCMO QHSO STEP EHIB LUTI NESA EYEP IYAR TSSE SAXB HNBR AIFA QTTX IEEI ENOE DUHI XFRS UWSN LIEE NXIC ASIP GDGN RGXD OPST ORUI CEKX", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "scytale", "cipher": "scytale", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 104, "length": 104, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "argenti-v2-0353", "text": "57 11 13 75 33 46 20 64 63 44 88 48 41 28 77 87 61 64 11 65 39 38 57 28 27 16 11 61 42 10 28 44 38 11 33 65 75 28 42 33 47 13 65 21 59 48 75 40 13 44 88 42 77 48 75 47 11 37 27 57 28 77 64 71 46 20 40 13 33 63 18 68 11 38 59 61 42", "ciphertext": "57 11 13 75 33 46 20 64 63 44 88 48 41 28 77 87 61 64 11 65 39 38 57 28 27 16 11 61 42 10 28 44 38 11 33 65 75 28 42 33 47 13 65 21 59 48 75 40 13 44 88 42 77 48 75 47 11 37 27 57 28 77 64 71 46 20 40 13 33 63 18 68 11 38 59 61 42", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008673", "text": "GEOAF CBFNG VBAQN CUSEF EROEE OATRY RGGRE FJVGU BHGFH PFGVG HGVBA BCRAF BHEQR GBBYF OYYBJ VARRC SAQSA GIREW SVQOG WBA", "ciphertext": "GEOAF CBFNG VBAQN CUSEF EROEE OATRY RGGRE FJVGU BHGFH PFGVG HGVBA BCRAF BHEQR GBBYF OYYBJ VARRC SAQSA GIREW SVQOG WBA", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "confederate-vigenere-005", "text": "VVRHSDWKILGNSNW", "ciphertext": "VVRHSDWKILGNSNW", "plaintext": "THE COAST IS CLEAR", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CONFEDERATE"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-145", "text": "FVYRAPR VF TBYQRA", "ciphertext": "FVYRAPR VF TBYQRA", "plaintext": "SILENCE IS GOLDEN", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 13}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0269", "text": "EZZSTFVBYPHMIOQHEGFGNRCPIHZROFQICBRKEVKPFUVDROLMEHUYPFPEAHAMOHHXBSIDGUWGKQCJ", "ciphertext": "EZZSTFVBYPHMIOQHEGFGNRCPIHZROFQICBRKEVKPFUVDROLMEHUYPFPEAHAMOHHXBSIDGUWGKQCJ", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1068", "text": "PZCCR GKSOH OBR HSOFG HVSGS OFS KVOH W CTTSF MCI TCF HVS RSTSBGS CT CIF WGZOBR BOHWCB", "ciphertext": "PZCCR GKSOH OBR HSOFG HVSGS OFS KVOH W CTTSF MCI TCF HVS RSTSBGS CT CIF WGZOBR BOHWCB", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 14}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0435", "text": "01288912868095686685958983892948785483908990822068090908269080219068386852909021896878726106154124090286838628681858389829029490", "ciphertext": "01288912868095686685958983892948785483908990822068090908269080219068386852909021896878726106154124090286838628681858389829029490", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 128, "length": 128, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-096", "text": "EBSGGTQRGPLWEATSQTGGTRKTKEJEBSJLWRKTEPEJKEYTGMYGQPE", "ciphertext": "EBSGGTQRGPLWEATSQTGGTRKTKEJEBSJLWRKTEPEJKEYTGMYGQPE", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "advanced", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "stager-route-v2-0491", "text": "GCEOIGLFWUSNTADXDHGHRIREUSPBRENYUEANTOLEOARYXXIERFALMHTCATPTLETCTHATBRRMNNXXTASESRHTEUEHAEMCETANSEITSORHXXEEUOHNNWELHREENPEELXEOGEURAFXXILBNCTRETYWIEMAASABGPTOLDRREXXLEEIAOHSAERNCY", "ciphertext": "GCEOIGLFWUSNTADXDHGHRIREUSPBRENYUEANTOLEOARYXXIERFALMHTCATPTLETCTHATBRRMNNXXTASESRHTEUEHAEMCETANSEITSORHXXEEUOHNNWELHREENPEELXEOGEURAFXXILBNCTRETYWIEMAASABGPTOLDRREXXLEEIAOHSAERNCY", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "expert", "language": "en", "text_length": 180, "length": 180, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015191", "text": "turns wings order stage quota units along range eight cause incur phase hence enemy radio exact naval cause range young place track seeks draft issue", "ciphertext": "turns wings order stage quota units along range eight cause incur phase hence enemy radio exact naval cause range young place track seeks draft issue", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "enigma-v2-0194", "text": "VSBTRHIYWDVXOMJVWWBOWPYJRNIREYLVVBYOPGUDAWPIAXGODCGTLACDBDOYUJBWFQACXULNFZVE", "ciphertext": "VSBTRHIYWDVXOMJVWWBOWPYJRNIREYLVVBYOPGUDAWPIAXGODCGTLACDBDOYUJBWFQACXULNFZVE", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DEF"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004011", "text": "YNMCF BVTBG KOGCN MKMWO KVCYQ CBGKQ ETFMY YMKQQ GJXFY BWMEX QFVTK MAXMW OVBWB FVQGQ OBWKM SMBFR MBLOG CNMKQ", "ciphertext": "YNMCF BVTBG KOGCN MKMWO KVCYQ CBGKQ ETFMY YMKQQ GJXFY BWMEX QFVTK MAXMW OVBWB FVQGQ OBWKM SMBFR MBLOG CNMKQ", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "BUOPMTZNGHLFJWECAKQYXSRIVD"}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "adfgx-v3-0007", "text": "FGXGDFAFAGDGAXGGFFADXGXDXAGG", "ciphertext": "FGXGDFAFAGDGAXGGFFADXGXDXAGG", "plaintext": "MARCH TO VICTORY", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020179", "text": "20 8 5 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 9 19 1 21 19 5 6 21 12 3 12 21 5 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 20 9 15 14", "ciphertext": "20 8 5 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 9 19 1 21 19 5 6 21 12 3 12 21 5 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 20 9 15 14", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE A STRONG CLAIM NEEDS STRONG EVIDENCE HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 106, "length": 106, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0012014", "text": "66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66 36 69 11 76 68 50 57 61 66 36 82 20 50 76 50 11 52 50 65 36 82 80 52 69 77 20 50 29 82 61 68 65 69 57 43 20 50 59 61 61 72 59 68 80 82 89 50 66 36 66 80 68 29 61 65 69 61 50 66 50 69 29 66 36 82 68 59 66 69 55 82 43 52 50 65 36 82 80 82 73 66 82 29 11 61 66 36 82 55 82 43 89 50 66 36 66 36 82 65 57 68 50 29 66 82 73 66 50 66 61 82 57 76", "ciphertext": "66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66 36 69 11 76 68 50 57 61 66 36 82 20 50 76 50 11 52 50 65 36 82 80 52 69 77 20 50 29 82 61 68 65 69 57 43 20 50 59 61 61 72 59 68 80 82 89 50 66 36 66 80 68 29 61 65 69 61 50 66 50 69 29 66 36 82 68 59 66 69 55 82 43 52 50 65 36 82 80 82 73 66 82 29 11 61 66 36 82 55 82 43 89 50 66 36 66 36 82 65 57 68 50 29 66 82 73 66 50 66 61 82 57 76", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 142, "length": 142, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "m209-v3-0003", "text": "NQPXFGJRNJDKWSKWRPPZBCF", "ciphertext": "NQPXFGJRNJDKWSKWRPPZBCF", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0070", "text": "07 01 12 09 12 05 15 16 15 09 14 20 05 04 08 09 19 20 05 12 05 19 03 15 16 05 01 20 60 08 05 01 22 05 14 19 61 03 15 14 06 09 18 13 05 04 20 08 01 20 60 05 01 18 20 08 15 18 02 09 20 19 60 19 21 14", "ciphertext": "07 01 12 09 12 05 15 16 15 09 14 20 05 04 08 09 19 20 05 12 05 19 03 15 16 05 01 20 60 08 05 01 22 05 14 19 61 03 15 14 06 09 18 13 05 04 20 08 01 20 60 05 01 18 20 08 15 18 02 09 20 19 60 19 21 14", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 132, "length": 197, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021121", "text": "91 88 23 63 39 1 92 46 2 93 3 35 49 63 17 23 34 33 15 35 3 41 63 60 43 63 82 66 3 50 26 61 30 23 68 91 23 58 50 43 49 4 14 39 60 27 99 22 76 32 50 30 92 45 63 22 81 43 26 32 58 87 33 25 72 26 30 50 2 30 96 26 86 66 15 52 33 63 23 70 52 22 99 91 79 48 3 59 61 66 35 82 60 49 26 99", "ciphertext": "91 88 23 63 39 1 92 46 2 93 3 35 49 63 17 23 34 33 15 35 3 41 63 60 43 63 82 66 3 50 26 61 30 23 68 91 23 58 50 43 49 4 14 39 60 27 99 22 76 32 50 30 92 45 63 22 81 43 26 32 58 87 33 25 72 26 30 50 2 30 96 26 86 66 15 52 33 63 23 70 52 22 99 91 79 48 3 59 61 66 35 82 60 49 26 99", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "stager-route-150", "text": "RANXTALDXXALYWX", "ciphertext": "RANXTALDXXALYWX", "plaintext": "RALLY AT DAWN", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-v3-0170", "text": "71 83 44 20 67 28 26 75 82 83 56 16 63 25 69 28 67 84 18 20 32 37 17 66 82 83 22 20 63 37 18 56 23 59 89 82 71 83 17 67 89 41 28 34 68 66 37 72 44 71 63 75 41 11 66 64 16 72 77 20 81 41 12 83 13 28 37 18 23 70 56 59 72 25", "ciphertext": "71 83 44 20 67 28 26 75 82 83 56 16 63 25 69 28 67 84 18 20 32 37 17 66 82 83 22 20 63 37 18 56 23 59 89 82 71 83 17 67 89 41 28 34 68 66 37 72 44 71 63 75 41 11 66 64 16 72 77 20 81 41 12 83 13 28 37 18 23 70 56 59 72 25", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007525", "text": "GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF TBBQ RQHPNGVBANY GBBYF RKCYNVA GURVE YVZVGF", "ciphertext": "GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF TBBQ RQHPNGVBANY GBBYF RKCYNVA GURVE YVZVGF", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 167, "length": 167, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "rail-fence-v3-0086", "text": "ARZEICTLONIETDCTETOELBOLDISEIJTRCPSRAINTRZBOPTENNRNUAAEUELIROAUTETSNSQAOSTHESUN", "ciphertext": "ARZEICTLONIETDCTETOELBOLDISEIJTRCPSRAINTRZBOPTENNRNUAAEUELIROAUTETSNSQAOSTHESUN", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0198", "text": "HW HU PLWWLY WC YLDXHQ UHELQW XQM PL WICSJIW X KCCE WIXQ WC UBLXF XQM YLDCZL XEE MCSPW", "ciphertext": "HW HU PLWWLY WC YLDXHQ UHELQW XQM PL WICSJIW X KCCE WIXQ WC UBLXF XQM YLDCZL XEE MCSPW", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v2-0069", "text": "⟨w28⟩ ⟨w06⟩ ⟨n04⟩ ⟨x2⟩ ⟨n04⟩ ⟨a16⟩ ⟨a05⟩ ⟨a11⟩ ⟨w18⟩ ⟨a16⟩ ⟨a20⟩ ⟨a16⟩ ⟨w01⟩ ⟨a16⟩ ⟨w07⟩", "ciphertext": "⟨w28⟩ ⟨w06⟩ ⟨n04⟩ ⟨x2⟩ ⟨n04⟩ ⟨a16⟩ ⟨a05⟩ ⟨a11⟩ ⟨w18⟩ ⟨a16⟩ ⟨a20⟩ ⟨a16⟩ ⟨w01⟩ ⟨a16⟩ ⟨w07⟩", "plaintext": "E PLURIBUS UNUM", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SCOTLAND"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-121", "text": "ANQVIHQXGQQNF", "ciphertext": "ANQVIHQXGQQNF", "plaintext": "ATTACK AT DAWN", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002110", "text": "GURRA VTZNZ NPUVA RHFRQ EBGBE FGBPE RNGRN CBYLN YCUNO RGVPP VCURE GUREN VYSRA PRPVC UREJE VGRFG RKGVA NMVTM NTCNG GREAV AQRKB SPBVA PVQRA PRZRN FHERF YRGGR ESERD HRAPL QVFGE VOHGV BAGUR ORFGY RFFBA FFUBJ JURER GURZR GUBQS NVYF", "ciphertext": "GURRA VTZNZ NPUVA RHFRQ EBGBE FGBPE RNGRN CBYLN YCUNO RGVPP VCURE GUREN VYSRA PRPVC UREJE VGRFG RKGVA NMVTM NTCNG GREAV AQRKB SPBVA PVQRA PRZRN FHERF YRGGR ESERD HRAPL QVFGE VOHGV BAGUR ORFGY RFFBA FFUBJ JURER GURZR GUBQS NVYF", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 189, "length": 189, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0009", "text": "DYMXFXHNBZESWZHE", "ciphertext": "DYMXFXHNBZESWZHE", "plaintext": "THE HARBOR IS CLEAR", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0277", "text": "AKMEENRLXRDDYJ", "ciphertext": "AKMEENRLXRDDYJ", "plaintext": "TRUST BUT VERIFY", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0067", "text": "IOVKIGKNQWXTZTUDTTJXUOAARGEIGDZJTHVMDSQROGJYSGXYWOIMETUZEXAWWWDSQSORUFXWYZL", "ciphertext": "IOVKIGKNQWXTZTUDTTJXUOAARGEIGDZJTHVMDSQROGJYSGXYWOIMETUZEXAWWWDSQSORUFXWYZL", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004391", "text": "FBWQ YELH KQAS KHOH ZEFI CWQS GTYV HFX", "ciphertext": "FBWQ YELH KQAS KHOH ZEFI CWQS GTYV HFX", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "medium", "language": "en", "text_length": 31, "length": 31, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "diana-v3-0328", "text": "LRZXNCGSUIXNXYAXJ", "ciphertext": "LRZXNCGSUIXNXYAXJ", "plaintext": "ARCHERS TO THE WALLS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011885", "text": "DBYL NYBV OOSG WQQV CVRE EIFR ZHYF WCYS NYBV OOSG FVWS GF", "ciphertext": "DBYL NYBV OOSG WQQV CVRE EIFR ZHYF WCYS NYBV OOSG FVWS GF", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "m209-v2-0321", "text": "RPBAJQPOETTBQXUWKALYCMFJVVTZWPSRZZMYZGADTBSAGYDLFQIBMRFRFELJCWRKGRRJTYMYROMZ", "ciphertext": "RPBAJQPOETTBQXUWKALYCMFJVVTZWPSRZZMYZGADTBSAGYDLFQIBMRFRFELJCWRKGRRJTYMYROMZ", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012471", "text": "K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X ┐· L ┌· r· ⌐ ┐· X", "ciphertext": "K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X ┐· L ┌· r· ⌐ ┐· X", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PERHAPS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 39, "length": 39, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "hill-v2-0072", "text": "PFKWXMWBTFXITSKYLDQEBGEPNNOPDXNKMQMDZTIYYLVOEPCINOYMNNQDUMRJMIKRBCNXQL", "ciphertext": "PFKWXMWBTFXITSKYLDQEBGEPNNOPDXNKMQMDZTIYYLVOEPCINOYMNNQDUMRJMIKRBCNXQL", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0019", "text": "1421 0472 0285 0012 0729 0156 0472 0285 0792 0538 1346 1421 1346 1503 0156 0156 0285 0285 0219 1346", "ciphertext": "1421 0472 0285 0012 0729 0156 0472 0285 0792 0538 1346 1421 1346 1503 0156 0156 0285 0285 0219 1346", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0021", "text": "RNPJCMYNHWG", "ciphertext": "RNPJCMYNHWG", "plaintext": "KNOW THYSELF", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004572", "text": "DMDLRZRQGNUZULQJZUTPTWASMEHEYGHWKWFLHWMEQVYYHVRRBTIDNHBAFLTOUMLBJEZCCNVDRPLIUOMVMFESFOGWWLWGWNMTFPWFYYTHCUZFPFLZTVGCFWIWAQBCYMQKKBVYKBJLRBXFSZQHVQVJKBLRZWIGBKRKADYFGJCDCFMI", "ciphertext": "DMDLRZRQGNUZULQJZUTPTWASMEHEYGHWKWFLHWMEQVYYHVRRBTIDNHBAFLTOUMLBJEZCCNVDRPLIUOMVMFESFOGWWLWGWNMTFPWFYYTHCUZFPFLZTVGCFWIWAQBCYMQKKBVYKBJLRBXFSZQHVQVJKBLRZWIGBKRKADYFGJCDCFMI", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "autokey", "cipher": "autokey", "key": {"primer": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "cda-0014728", "text": "NEHUR SSEMI ACTBW VUGMR RWPVE DHITD GZUYI HMKBQ BHLMV RBJIG IZGWB OWBLU NOQAV PHMEN MYMTK AISFD JXEHL XVWQX MTKRV MINVV DYTAH UMEHT BOYKB OXGG", "ciphertext": "NEHUR SSEMI ACTBW VUGMR RWPVE DHITD GZUYI HMKBQ BHLMV RBJIG IZGWB OWBLU NOQAV PHMEN MYMTK AISFD JXEHL XVWQX MTKRV MINVV DYTAH UMEHT BOYKB OXGG", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0055", "text": "145 165 175 162 143 170 108 144 143 166 159 119 138 102 171 129 119 152 130 176 127 104 144 172 106 142 154 163 163 121 142 179 114 124 176 108 160 111 108 178 133 166 145 129 152 108 178 169 150 161 147 166 100 181 138", "ciphertext": "145 165 175 162 143 170 108 144 143 166 159 119 138 102 171 129 119 152 130 176 127 104 144 172 106 142 154 163 163 121 142 179 114 124 176 108 160 111 108 178 133 166 145 129 152 108 178 169 150 161 147 166 100 181 138", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 165, "length": 219, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012080", "text": "44 23 15 31 24 12 42 11 42 54 35 42 15 43 15 42 51 15 43 25 33 34 52 31 15 14 22 15 21 34 42 44 23 15 13 34 32 32 45 33 24 44 54 11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22 14 24 22 42 11 35 23 11 33 14 44 42 24 22 42 11 35 23 21 42 15 41 45 15 33 13 24 15 43 15 53 35 34 43 15 43 24 32 35 31 15 13 24 35 23 15 42 43 14 24 21 21 24 15 11 33 14 23 15 31 31 32 11 33 24 33 44 42 34 14 45 13 15 14 35 45 12 31 24 13 25 15 54 13 42 54 35 44 34 22 42 11 35 23 54 24 33 33 24 33 15 44 15 15 33 43 15 51 15 33 44 54 43 24 53", "ciphertext": "44 23 15 31 24 12 42 11 42 54 35 42 15 43 15 42 51 15 43 25 33 34 52 31 15 14 22 15 21 34 42 44 23 15 13 34 32 32 45 33 24 44 54 11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22 14 24 22 42 11 35 23 11 33 14 44 42 24 22 42 11 35 23 21 42 15 41 45 15 33 13 24 15 43 15 53 35 34 43 15 43 24 32 35 31 15 13 24 35 23 15 42 43 14 24 21 21 24 15 11 33 14 23 15 31 31 32 11 33 24 33 44 42 34 14 45 13 15 14 35 45 12 31 24 13 25 15 54 13 42 54 35 44 34 22 42 11 35 23 54 24 33 33 24 33 15 44 15 15 33 43 15 51 15 33 44 54 43 24 53", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 202, "length": 202, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "purple-v3-0133", "text": "YFNCSSHWVRFXBYCHUCNM", "ciphertext": "YFNCSSHWVRFXBYCHUCNM", "plaintext": "THE REDCOATS ARE COMING", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007839", "text": "TNWTG HSHTH EOEPI RCHEE INABN RODES ETATC RAIEZ TSSTF AHHTE ISPIL HTGRL OEILM WENZE EFERX ATSWE S", "ciphertext": "TNWTG HSHTH EOEPI RCHEE INABN RODES ETATC RAIEZ TSSTF AHHTE ISPIL HTGRL OEILM WENZE EFERX ATSWE S", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "solitaire-v3-0238", "text": "ONXTYNERJRHXJJBJKPYFIJQRJNCEK", "ciphertext": "ONXTYNERJRHXJJBJKPYFIJQRJNCEK", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-092", "text": "SFBNZJHJKIDTZKOOJBONFZHDFEMEOAVNEQVNPUTQCKCMK", "ciphertext": "SFBNZJHJKIDTZKOOJBONFZHDFEMEOAVNEQVNPUTQCKCMK", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ZYXWVUTS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v3-0044", "text": "RZNDYFFLZZNZMLFBM", "ciphertext": "RZNDYFFLZZNZMLFBM", "plaintext": "THE RAILWAY ARRIVES", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v2-0051", "text": "⟨w17⟩ ⟨w07⟩ ⟨w02⟩ ⟨w28⟩ ⟨n01⟩ ⟨w02⟩ ⟨a08⟩ ⟨w32⟩ ⟨w10⟩ ⟨w13⟩ ⟨a08⟩ ⟨w13⟩ ⟨w35⟩ ⟨w10⟩ ⟨w23⟩ ⟨a15⟩ ⟨a18⟩ ⟨w23⟩ ⟨w02⟩ ⟨w20⟩ ⟨a12⟩ ⟨w35⟩ ⟨w16⟩ ⟨a15⟩ ⟨w21⟩ ⟨w23⟩ ⟨w01⟩ ⟨w17⟩ ⟨w13⟩ ⟨w32⟩ ⟨w21⟩ ⟨a03⟩ ⟨w15⟩ ⟨w13⟩ ⟨w21⟩ ⟨w32⟩ ⟨w02⟩ ⟨w07⟩ ⟨w21⟩ ⟨w13⟩ ⟨a15⟩ ⟨a08⟩ ⟨w08⟩ ⟨w23⟩ ⟨w13⟩ ⟨a12⟩ ⟨a03⟩ ⟨w02⟩ ⟨w13⟩ ⟨w19⟩ ⟨w07⟩ ⟨w17⟩ ⟨w13⟩ ⟨w07⟩ ⟨w06⟩ ⟨w16⟩ ⟨w07⟩ ⟨w02⟩ ⟨n03⟩ ⟨w21⟩ ⟨w02⟩ ⟨a08⟩ ⟨a15⟩ ⟨a08⟩ ⟨w02⟩ ⟨a08⟩ ⟨a23⟩ ⟨w35⟩ ⟨a15⟩ ⟨w23⟩ ⟨w15⟩ ⟨w21⟩ ⟨w02⟩ ⟨w20⟩ ⟨w21⟩", "ciphertext": "⟨w17⟩ ⟨w07⟩ ⟨w02⟩ ⟨w28⟩ ⟨n01⟩ ⟨w02⟩ ⟨a08⟩ ⟨w32⟩ ⟨w10⟩ ⟨w13⟩ ⟨a08⟩ ⟨w13⟩ ⟨w35⟩ ⟨w10⟩ ⟨w23⟩ ⟨a15⟩ ⟨a18⟩ ⟨w23⟩ ⟨w02⟩ ⟨w20⟩ ⟨a12⟩ ⟨w35⟩ ⟨w16⟩ ⟨a15⟩ ⟨w21⟩ ⟨w23⟩ ⟨w01⟩ ⟨w17⟩ ⟨w13⟩ ⟨w32⟩ ⟨w21⟩ ⟨a03⟩ ⟨w15⟩ ⟨w13⟩ ⟨w21⟩ ⟨w32⟩ ⟨w02⟩ ⟨w07⟩ ⟨w21⟩ ⟨w13⟩ ⟨a15⟩ ⟨a08⟩ ⟨w08⟩ ⟨w23⟩ ⟨w13⟩ ⟨a12⟩ ⟨a03⟩ ⟨w02⟩ ⟨w13⟩ ⟨w19⟩ ⟨w07⟩ ⟨w17⟩ ⟨w13⟩ ⟨w07⟩ ⟨w06⟩ ⟨w16⟩ ⟨w07⟩ ⟨w02⟩ ⟨n03⟩ ⟨w21⟩ ⟨w02⟩ ⟨a08⟩ ⟨a15⟩ ⟨a08⟩ ⟨w02⟩ ⟨a08⟩ ⟨a23⟩ ⟨w35⟩ ⟨a15⟩ ⟨w23⟩ ⟨w15⟩ ⟨w21⟩ ⟨w02⟩ ⟨w20⟩ ⟨w21⟩", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALSINGHAM"}, "difficulty": "expert", "language": "en", "text_length": 375, "length": 449, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003575", "text": "VFTPHSOX ALEFIAI TANNAYX MX VMSYX FR LOWHAYX RYFW FLA NF RSJA ISKYMVQ MLI NYSKYMVQ RYAUOALESAX ACVFXA XSWVTA ESVQAYX LAJAY", "ciphertext": "VFTPHSOX ALEFIAI TANNAYX MX VMSYX FR LOWHAYX RYFW FLA NF RSJA ISKYMVQ MLI NYSKYMVQ RYAUOALESAX ACVFXA XSWVTA ESVQAYX LAJAY", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS NEVER", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "MHEIARKQSZBTWLFVUYXNOJDCPG"}, "difficulty": "hard", "language": "en", "text_length": 104, "length": 104, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "playfair-v3-0592", "text": "RPFHAVDVFGPONL", "ciphertext": "RPFHAVDVFGPONL", "plaintext": "THE APPLE FALLS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017976", "text": "Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X ⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌·", "ciphertext": "Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X ⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌·", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 36, "length": 36, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "two-square-v3-0054", "text": "QFOBIGAZMBHOSEUAPMBNONNPLAOTCKFQELNCIOKYMBHOSEQFOBIGPOQTPMKGRTKCALHBSAPONSULIN", "ciphertext": "QFOBIGAZMBHOSEUAPMBNONNPLAOTCKFQELNCIOKYMBHOSEQFOBIGPOQTPMKGRTKCALHBSAPONSULIN", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010664", "text": "ZWAC JOEA EOTS SNPC JQAP XCZU LGDP YOMU INEI LFGO KJGY PSGJ EYBI VWIN RDUL EUAC ZYAN VDKA NJDM BHXF VWEN YKUT YHCZ VBSI AZHB SICN PYYN IFPZ INCW KRTS QA", "ciphertext": "ZWAC JOEA EOTS SNPC JQAP XCZU LGDP YOMU INEI LFGO KJGY PSGJ EYBI VWIN RDUL EUAC ZYAN VDKA NJDM BHXF VWEN YKUT YHCZ VBSI AZHB SICN PYYN IFPZ INCW KRTS QA", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "beaufort", "cipher": "beaufort", "key": {"key": "ENIGMA"}, "difficulty": "hard", "language": "en", "text_length": 122, "length": 122, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "confederate-vigenere-253", "text": "WBYFFJFEUSMGLEI", "ciphertext": "WBYFFJFEUSMGLEI", "plaintext": "ENEMY FORCES NEAR", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SOUTHERN"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v2-0116", "text": "26199 26187 26184 26191 26194 26197 26183 26188 26198 26192 26104 26198 26187 26184 26195 26187 26184 26197 26183 26188 26198 26187 26180 26191 26191 26193 26194 26199 26102 26180 26193 26199 26187 26184 26192 26180 26190 26184 26199 26187 26192 26184 26199 26194 26191 26188 26184 26183 26194 26102 26193 26188 26193 26186 26197 26184 26184 26193 26195 26180 26198 26199 26100 26197 26184 26198 26187 26184 26191 26184 26180 26183 26184 26199 26187 26192 26184 26181 26184 26198 26188 26183 26184 26199 26187 26184 26198 26199 26188 26191 26191 26102 26180 26199 26184 26197 26198 26187 26184 26197 26184 26198 26199 26194 26197 26184 26199 26187 26192 26104 26198 26194 26100 26191 26187 26184 26191 26184 26180 26183 26184 26199 26187 26192 26184 26188 26193 26199 26187 26184 26195 26180 26199 26187 26198 26194 26185 26197 26188 26186 26187 26199 26184 26194 26100 26198 26193 26184 26198 26198 26185 26194 26197 26187 26188 26198 26193 26180 26192 26184 26198 26180 26190 26184", "ciphertext": "26199 26187 26184 26191 26194 26197 26183 26188 26198 26192 26104 26198 26187 26184 26195 26187 26184 26197 26183 26188 26198 26187 26180 26191 26191 26193 26194 26199 26102 26180 26193 26199 26187 26184 26192 26180 26190 26184 26199 26187 26192 26184 26199 26194 26191 26188 26184 26183 26194 26102 26193 26188 26193 26186 26197 26184 26184 26193 26195 26180 26198 26199 26100 26197 26184 26198 26187 26184 26191 26184 26180 26183 26184 26199 26187 26192 26184 26181 26184 26198 26188 26183 26184 26199 26187 26184 26198 26199 26188 26191 26191 26102 26180 26199 26184 26197 26198 26187 26184 26197 26184 26198 26199 26194 26197 26184 26199 26187 26192 26104 26198 26194 26100 26191 26187 26184 26191 26184 26180 26183 26184 26199 26187 26192 26184 26188 26193 26199 26187 26184 26195 26180 26199 26187 26198 26194 26185 26197 26188 26186 26187 26199 26184 26194 26100 26198 26193 26184 26198 26198 26185 26194 26197 26187 26188 26198 26193 26180 26192 26184 26198 26180 26190 26184", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 820, "length": 983, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0435", "text": "BMDSUDKUVNHULVTAUUZILFEQTPFUNTGPSBGMOUTOGEHIGSUNSOOFMDRMNTQGIQGLEMALCKALNGCQEPAZSY", "ciphertext": "BMDSUDKUVNHULVTAUUZILFEQTPFUNTGPSBGMOUTOGEHIGSUNSOOFMDRMNTQGIQGLEMALCKALNGCQEPAZSY", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012017", "text": "AABAB AAAAA ABAAA ABABA AAABA ABABA ABBAB BAAAB AABAA AAABB ABAAA BAAAB AAAAA ABBBA ABBAB BAAAB BAABA BAABB BAAAA AABAA ABBAA ABBAB BAABA AAAAA BAAAB ABABA ABBAB AABBA AAAAA ABBAA ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB ABBAA ABBAB BAABA AAAAB BAAAA ABBAB ABAAB AABAA ABBAA AAAAB BABBA ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAAAA ABABB ABBAB AAABB AABAA ABABA AAABA AAAAA ABBAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AABAB BABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAAAB AAAAB BAABB BAABA ABAAA BAABA AAABA AAAAA ABBAA AAAAA ABABA BAAAB ABBAB AAAAB AABAA BABAA BAAAA ABBAB ABBAA AABBA BAABA BABAA ABBAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA BAAAB AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB BAAAB BABAA ABAAA BAABA AABBB BAABA BABAA ABBAB ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA BAAAB", "ciphertext": "AABAB AAAAA ABAAA ABABA AAABA ABABA ABBAB BAAAB AABAA AAABB ABAAA BAAAB AAAAA ABBBA ABBAB BAAAB BAABA BAABB BAAAA AABAA ABBAA ABBAB BAABA AAAAA BAAAB ABABA ABBAB AABBA AAAAA ABBAA ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB ABBAA ABBAB BAABA AAAAB BAAAA ABBAB ABAAB AABAA ABBAA AAAAB BABBA ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAAAA ABABB ABBAB AAABB AABAA ABABA AAABA AAAAA ABBAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AABAB BABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAAAB AAAAB BAABB BAABA ABAAA BAABA AAABA AAAAA ABBAA AAAAA ABABA BAAAB ABBAB AAAAB AABAA BABAA BAAAA ABBAB ABBAA AABBA BAABA BABAA ABBAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA BAAAB AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB BAAAB BABAA ABAAA BAABA AABBB BAABA BABAA ABBAB ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA BAAAB", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 865, "length": 865, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "columnar-transposition-202", "text": "URWTEARDTRFOIESAHR", "ciphertext": "URWTEARDTRFOIESAHR", "plaintext": "AWAIT FURTHER ORDERS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-005", "text": "CUTHWBHFDCQEJUV", "ciphertext": "CUTHWBHFDCQEJUV", "plaintext": "THE COAST IS CLEAR", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "TYPEX"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v2-0202", "text": "148 174 135 179 128 147 114 138 167 151 156 102 165 181 178 160 100 128 158 102 108 141 175 138 166 112 129 117 114 152 119 143 161 143 147 149 103 173 176 179 157 181 136 170 114 149 151 182 113 100 180 116 182 122 133 128 166 161", "ciphertext": "148 174 135 179 128 147 114 138 167 151 156 102 165 181 178 160 100 128 158 102 108 141 175 138 166 112 129 117 114 152 119 143 161 143 147 149 103 173 176 179 157 181 136 170 114 149 151 182 113 100 180 116 182 122 133 128 166 161", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 174, "length": 231, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0564", "text": "WQOOWBASENHQITVEBDIHDDEOUEHGKESFBTEHILWQHNIUUVIDTODUVWBHITEIPAPITWNQEEUSQITHYEBUIVVT", "ciphertext": "WQOOWBASENHQITVEBDIHDDEOUEHGKESFBTEHILWQHNIUUVIDTODUVWBHITEIPAPITWNQEEUSQITHYEBUIVVT", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0387", "text": "DDDFFDXDDAVDFVADFDDAGFGVAAADFADA", "ciphertext": "DDDFFDXDDAVDFVADFDDAGFGVAAADFADA", "plaintext": "THE HARBOR IS CLEAR", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0355", "text": "YHCQJBCMWULEKZCMBKACPHLFCAZYWQLUHUPDMNGSBIJIJWWUWPOGYOFKRTBLXMTZUYPMIBEMPKWPHRTE", "ciphertext": "YHCQJBCMWULEKZCMBKACPHLFCAZYWQLUHUPDMNGSBIJIJWWUWPOGYOFKRTBLXMTZUYPMIBEMPKWPHRTE", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003450", "text": "DJIU EUNH VMDC UTFP FYXK YLQB LBIF UHBU UZMB SXBY SRYG ZXLN NLSS EDKS LJXZ ZNKO MTFX TZFT JMAP AQIC GGKJ UTMC BTOC OIJV JGNC AJCR SBIH AFYO QMNP ZOII DFLL YXQO CCIG HLIF TKPN VWYN BXDK JHXP YBBO UCNL GPKF KAIA FBUG QGZR CIJF LDTF GQWJ BLVC IDUK", "ciphertext": "DJIU EUNH VMDC UTFP FYXK YLQB LBIF UHBU UZMB SXBY SRYG ZXLN NLSS EDKS LJXZ ZNKO MTFX TZFT JMAP AQIC GGKJ UTMC BTOC OIJV JGNC AJCR SBIH AFYO QMNP ZOII DFLL YXQO CCIG HLIF TKPN VWYN BXDK JHXP YBBO UCNL GPKF KAIA FBUG QGZR CIJF LDTF GQWJ BLVC IDUK", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE MESSAGE WAS HIDDEN BUT NOT SECURE DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 196, "length": 196, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "kryha-v3-0153", "text": "NUQVNCBZONVYAFKJHHFXTLOZVXDBAVKKFWCMUOXYRSBHFJYQMEICTOLINUNLFKEZUVMVGOR", "ciphertext": "NUQVNCBZONVYAFKJHHFXTLOZVXDBAVKKFWCMUOXYRSBHFJYQMEICTOLINUNLFKEZUVMVGOR", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017908", "text": ".. ..  ... ....  ... ....  . ....  . .....  . ....  .... .....  . ...  . .  .... ....  .. ....  ... ....  ... ...  . .  ... .  .... ....  ... ....  ... ....  ... .  .... ...  . .....  ..... ...  ... .....  ... .  . .  .. ....  ... ...  .... ....  .. ...  . .....  .. ....  .... ..  ... .  .. ....  ... ..  .. ....  .... ....  .... ...  . .  .... ....  .... ..  . .  ... ...  .... ...  ... .....  . .  .... ..  . .....  ... ...  .... ....  .... ....  ... ....  ... ....  ... .  .... ...  .. ...  ... ....  .... .....  ... .  . ....  .... ...  .. ...  ... ....  ..... ..  .. ....  .... ....  .... ...  .... ..  . .....  . .  .... ...  ... ....  ... ...  .. ....  ... ...  .. ..  .... ....  .. ...  . .....  .. .  ... ....  .... .....  .... ..  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  .... ....  ..... ..  ... ....  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  .... ...  .. .  . .  .. ....  ... .  . ...  ... .  ... ....  .... ...  . .....  . ....  .. ....  .... ...  . .  ... .....  ... ....  .... ...  .... ....  .... .....  .... ..  . .....  ... ...  ... ....  .... ....  . .  .... ...  ... .  ... ....  .. ..  . .  ... ...", "ciphertext": ".. ..  ... ....  ... ....  . ....  . .....  . ....  .... .....  . ...  . .  .... ....  .. ....  ... ....  ... ...  . .  ... .  .... ....  ... ....  ... ....  ... .  .... ...  . .....  ..... ...  ... .....  ... .  . .  .. ....  ... ...  .... ....  .. ...  . .....  .. ....  .... ..  ... .  .. ....  ... ..  .. ....  .... ....  .... ...  . .  .... ....  .... ..  . .  ... ...  .... ...  ... .....  . .  .... ..  . .....  ... ...  .... ....  .... ....  ... ....  ... ....  ... .  .... ...  .. ...  ... ....  .... .....  ... .  . ....  .... ...  .. ...  ... ....  ..... ..  .. ....  .... ....  .... ...  .... ..  . .....  . .  .... ...  ... ....  ... ...  .. ....  ... ...  .. ..  .... ....  .. ...  . .....  .. .  ... ....  .... .....  .... ..  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  .... ....  ..... ..  ... ....  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  .... ...  .. .  . .  .. ....  ... .  . ...  ... .  ... ....  .... ...  . .....  . ....  .. ....  .... ...  . .  ... .....  ... ....  .... ...  .... ....  .... .....  .... ..  . .....  ... ...  ... ....  .... ....  . .  .... ...  ... .  ... ....  .. ..  . .  ... ...", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 154, "length": 154, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "copiale-123", "text": "Q2 M9 L3 B1 A1 G6 L0 C3 K2 D5 Y5 J1 B0 T3 C5 I7 H6", "ciphertext": "Q2 M9 L3 B1 A1 G6 L0 C3 K2 D5 Y5 J1 B0 T3 C5 I7 H6", "plaintext": "THE EAGLE HAS LANDED", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 34, "length": 50, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0107", "text": "LQRVBDMQPAEZIQZILOLTTFE", "ciphertext": "LQRVBDMQPAEZIQZILOLTTFE", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004913", "text": "GURBA RGVZR CNQVF GURBE RGVPN YYLHA OERNX NOYRV SHFRQ PBEER PGYLG URYVO ENELC ERFRE IRFXA BJYRQ TRSBE GURPB ZZHAV GLQBA BGPBA SHFRB OSHFP NGVBA JVGUR APELC GVBA", "ciphertext": "GURBA RGVZR CNQVF GURBE RGVPN YYLHA OERNX NOYRV SHFRQ PBEER PGYLG URYVO ENELC ERFRE IRFXA BJYRQ TRSBE GURPB ZZHAV GLQBA BGPBA SHFRB OSHFP NGVBA JVGUR APELC GVBA", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 134, "length": 134, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0326", "text": "DHKRVPHPOJTKOVEDRP", "ciphertext": "DHKRVPHPOJTKOVEDRP", "plaintext": "LOWER THE DRAWBRIDGE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0125", "text": "DRIMWUOPRESJINAXGEAEMDELYJZUDJILSEOLDAYFUOTXZYHOTIZWEMUJEMRIHXIQYRILIQEWUVQPOPAJAMATINXIJAQYVDFISDODDIGHJUXWATIBCYXRHYGKOQHUKPIKZNUQVVEBPTIBPKIKOEGIREBQZACIXLYLRJICIVCEWEIT", "ciphertext": "DRIMWUOPRESJINAXGEAEMDELYJZUDJILSEOLDAYFUOTXZYHOTIZWEMUJEMRIHXIQYRILIQEWUVQPOPAJAMATINXIJAQYVDFISDODDIGHJUXWATIBCYXRHYGKOQHUKPIKZNUQVVEBPTIBPKIKOEGIREBQZACIXLYLRJICIVCEWEIT", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-it-027", "text": "EPXKSIOLVRBGUKYWNEMYNQ", "ciphertext": "EPXKSIOLVRBGUKYWNEMYNQ", "plaintext": "CHI DORME NON PIGLIA PESCI", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "it", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v2-0312", "text": "ZPYYWHBOABUNQNOAZHGCECOABIWKYTUYQKOJYOUKYCCMEROQIGDIIBYUMUTSAXRLUCEYS", "ciphertext": "ZPYYWHBOABUNQNOAZHGCECOABIWKYTUYQKOJYOUKYCCMEROQIGDIIBYUMUTSAXRLUCEYS", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0082", "text": "WJJUTTENISXCZSPJHBQYTXTDXSSSTPBAIPELGXVTQNZGRDLZXUXILBEJBQMXEGKASBLQZNLYRGECDMIIUYDUY", "ciphertext": "WJJUTTENISXCZSPJHBQYTXTDXSSSTPBAIPELGXVTQNZGRDLZXUXILBEJBQMXEGKASBLQZNLYRGECDMIIUYDUY", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0412", "text": "DPHXPHYANVDCSTNGSIGVZLYQLUDLTONYBPCYGVZLYQLUDLADTPYSGNIDNVYNTCACSTTBBHDO", "ciphertext": "DPHXPHYANVDCSTNGSIGVZLYQLUDLTONYBPCYGVZLYQLUDLADTPYSGNIDNVYNTCACSTTBBHDO", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v2-0109", "text": "ZUZUZ DEZUZ GAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ GAZUZ WAZUZ GAZUZ HAZUZ SAZUZ WAZUZ GAZUZ XUZUZ BABAB ZUZUZ WAZUZ GAZUZ TAZUZ WAZUZ GAZUZ XAZUZ GAZUZ RAZUZ ZAZUZ BAZUZ ZAZUZ LAZUZ CEZUZ GAZUZ XAZUZ XUZUZ CABAB BABAB ZUZUZ BEZUZ RAZUZ LAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ XAZUZ ZAZUZ BAZUZ ZAZUZ GAZUZ XAZUZ XUZUZ CABAB ZUZUZ BAZUZ QAZUZ GAZUZ WAZUZ LAZUZ DAZUZ BAZUZ XUZUZ GABAB ZUZUZ JAZUZ GAZUZ RAZUZ GAZUZ WAZUZ BAZUZ PAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ RAZUZ JAZUZ WAZUZ GAZUZ XAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ XAZUZ XAZUZ GAZUZ QAZUZ CAZUZ PAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ BAZUZ TAZUZ TAZUZ GAZUZ BAZUZ PAZUZ LAZUZ RAZUZ JAZUZ XUZUZ FABAB BABAB ZUZUZ XAZUZ BEZUZ TAZUZ WAZUZ GAZUZ QAZUZ GAZUZ XUZUZ ZUZUZ MAZUZ BEZUZ FAZUZ JAZUZ GAZUZ XUZUZ CABAB BABAB ZUZUZ DEZUZ SAZUZ WAZUZ PAZUZ FAZUZ XUZUZ KABAB BABAB ZUZUZ WAZUZ GAZUZ DAZUZ ZAZUZ LAZUZ ZAZUZ BEZUZ FAZUZ GAZUZ XUZUZ CABAB VOBAB ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ RAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XAZUZ XUZUZ ZUZUZ FAZUZ SAZUZ XUZUZ ZUZUZ XAZUZ SAZUZ PAZUZ GAZUZ QAZUZ RAZUZ PAZUZ GEZUZ XUZUZ ZUZUZ TAZUZ BEZUZ CAZUZ PAZUZ LAZUZ XAZUZ KAZUZ XUZUZ", "ciphertext": "ZUZUZ DEZUZ GAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ GAZUZ WAZUZ GAZUZ HAZUZ SAZUZ WAZUZ GAZUZ XUZUZ BABAB ZUZUZ WAZUZ GAZUZ TAZUZ WAZUZ GAZUZ XAZUZ GAZUZ RAZUZ ZAZUZ BAZUZ ZAZUZ LAZUZ CEZUZ GAZUZ XAZUZ XUZUZ CABAB BABAB ZUZUZ BEZUZ RAZUZ LAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ XAZUZ ZAZUZ BAZUZ ZAZUZ GAZUZ XAZUZ XUZUZ CABAB ZUZUZ BAZUZ QAZUZ GAZUZ WAZUZ LAZUZ DAZUZ BAZUZ XUZUZ GABAB ZUZUZ JAZUZ GAZUZ RAZUZ GAZUZ WAZUZ BAZUZ PAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ RAZUZ JAZUZ WAZUZ GAZUZ XAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ XAZUZ XAZUZ GAZUZ QAZUZ CAZUZ PAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ BAZUZ TAZUZ TAZUZ GAZUZ BAZUZ PAZUZ LAZUZ RAZUZ JAZUZ XUZUZ FABAB BABAB ZUZUZ XAZUZ BEZUZ TAZUZ WAZUZ GAZUZ QAZUZ GAZUZ XUZUZ ZUZUZ MAZUZ BEZUZ FAZUZ JAZUZ GAZUZ XUZUZ CABAB BABAB ZUZUZ DEZUZ SAZUZ WAZUZ PAZUZ FAZUZ XUZUZ KABAB BABAB ZUZUZ WAZUZ GAZUZ DAZUZ ZAZUZ LAZUZ ZAZUZ BEZUZ FAZUZ GAZUZ XUZUZ CABAB VOBAB ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ RAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XAZUZ XUZUZ ZUZUZ FAZUZ SAZUZ XUZUZ ZUZUZ XAZUZ SAZUZ PAZUZ GAZUZ QAZUZ RAZUZ PAZUZ GEZUZ XUZUZ ZUZUZ TAZUZ BEZUZ CAZUZ PAZUZ LAZUZ XAZUZ KAZUZ XUZUZ", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 900, "length": 1079, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-246", "text": "PROIMMG ES PJELLMG", "ciphertext": "PROIMMG ES PJELLMG", "plaintext": "PROCEED AS PLANNED", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-v3-0146", "text": "52 68 56 29 67 65 60 76 40 26 66 39 57 67 45 40 26 55 48 64 49 42 26 56 67 78 84 77 56 38 55 39 70 84 50 46 37 26 38 67 93 46 56 56 56 35 46 57 58 83 29 25 27 67 63 68 54 56 39 27 39 84 76 45 36 29 37 77 56 46 45 30", "ciphertext": "52 68 56 29 67 65 60 76 40 26 66 39 57 67 45 40 26 55 48 64 49 42 26 56 67 78 84 77 56 38 55 39 70 84 50 46 37 26 38 67 93 46 56 56 56 35 46 57 58 83 29 25 27 67 63 68 54 56 39 27 39 84 76 45 36 29 37 77 56 46 45 30", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 215, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0279", "text": "I4 L0 S9 L0 J3 F9 I0 O2 U0 V3 E6 J4 A2", "ciphertext": "I4 L0 S9 L0 J3 F9 I0 O2 U0 V3 E6 J4 A2", "plaintext": "HONOR ABOVE ALL", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0002", "text": "GGGXAXDXAGDGDAGADDFGDGGGAFGDGXADAGAGFDDXXFXFXD", "ciphertext": "GGGXAXDXAGDGDAGADDFGDGGGAFGDGXADAGAGFDDXXFXFXD", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0026", "text": "B1 H7 R8 Y0 T7 Q6 K7 C9 C4 X7 H7 B6 L5 Q8 N6 L5 H7 L5", "ciphertext": "B1 H7 R8 Y0 T7 Q6 K7 C9 C4 X7 H7 B6 L5 Q8 N6 L5 H7 L5", "plaintext": "TREASURE BURIED HERE", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0018", "text": "SHIHWYIHPUTGYYVNPES", "ciphertext": "SHIHWYIHPUTGYYVNPES", "plaintext": "TREACHERY IN THE COURT", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-it-016", "text": "SAOUTFGIIOAIMTTIILDRM", "ciphertext": "SAOUTFGIIOAIMTTIILDRM", "plaintext": "SIAMO TUTTI FIGLI DI ROMA", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 2}, "difficulty": "intermediate", "language": "it", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-v3-0358", "text": "105 46 47 66 27 66 38 79 54 57 94 27 49 46 45 97 26 76 33 23 97 28 66 33 45 63 59 67 45 65 84 28 70 45 65 66 27 70 36 24 63 29 56 45 57 87 28 79 45 44 85 58 49 74 23 85 55 76 35 25 97 26 70 65 26 103 49 60 35 25 76 66 59 34", "ciphertext": "105 46 47 66 27 66 38 79 54 57 94 27 49 46 45 97 26 76 33 23 97 28 66 33 45 63 59 67 45 65 84 28 70 45 65 66 27 70 36 24 63 29 56 45 57 87 28 79 45 44 85 58 49 74 23 85 55 76 35 25 97 26 70 65 26 103 49 60 35 25 76 66 59 34", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 223, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0027", "text": "GGAFAFXGAAGFGGXFFXGDAFGFGGDFAAFGAXXDAGGX", "ciphertext": "GGAFAFXGAAGFGGXFFXGDAFGFGGDFAAFGAXXDAGGX", "plaintext": "THE COMPASS POINTS TRUE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 40, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0049", "text": "ATYOUENENMTIPUSDKQTPWNRGAHMJWCCROQVIKVEUUWTLBXJTTHGHLNGDMMEFEGENGSCPSFU", "ciphertext": "ATYOUENENMTIPUSDKQTPWNRGAHMJWCCROQVIKVEUUWTLBXJTTHGHLNGDMMEFEGENGSCPSFU", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0731", "text": "BIQJCUDFGTB QNIV GFFIC KT BIV EIFJ EITT IC CJIJC ZQ CUDQJZ QTB JVQJZI NVÜBIVFKUD ZQCGMMITDÄFJ", "ciphertext": "BIQJCUDFGTB QNIV GFFIC KT BIV EIFJ EITT IC CJIJC ZQ CUDQJZ QTB JVQJZI NVÜBIVFKUD ZQCGMMITDÄFJ", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 7, "b": 6}, "difficulty": "beginner", "language": "en", "text_length": 79, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0023", "text": "TWWAMTQXAAQVSAPQXA", "ciphertext": "TWWAMTQXAAQVSAPQXA", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0327", "text": "VUIYAZWYSOWBGG", "ciphertext": "VUIYAZWYSOWBGG", "plaintext": "THE SIEGE BEGINS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019452", "text": "THAN ZIEL INDZ EHGA HWOL LACH EETK INDI BEHY AZZI EMAE DZEH TSAH MOAS IDZE HMOA SITK INCL AGIA IHLI NDZE HGAH GLOE IHGA HTKI NTHA NZIE DZEH DIBE HTHA NZIE DZEH ALAN ASDZ OHTH ANZI ETKI NTSA HWOL LACH EEBE SHDO TLIZ TKIN AHJA HBES HDOT LIZW OLLA CHEE AHJA HCLA GIAI HWOL LACH EETH ANZI E", "ciphertext": "THAN ZIEL INDZ EHGA HWOL LACH EETK INDI BEHY AZZI EMAE DZEH TSAH MOAS IDZE HMOA SITK INCL AGIA IHLI NDZE HGAH GLOE IHGA HTKI NTHA NZIE DZEH DIBE HTHA NZIE DZEH ALAN ASDZ OHTH ANZI ETKI NTSA HWOL LACH EEBE SHDO TLIZ TKIN AHJA HBES HDOT LIZW OLLA CHEE AHJA HCLA GIAI HWOL LACH EETH ANZI E", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 229, "length": 229, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "polybius-v2-0020", "text": "15 53 44 42 11 13 44 24 34 33 35 34 24 33 44 13 23 11 33 22 15 14", "ciphertext": "15 53 44 42 11 13 44 24 34 33 35 34 24 33 44 13 23 11 33 22 15 14", "plaintext": "EXTRACTION POINT CHANGED", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 44, "length": 65, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v2-0385", "text": "SGAFRSIXXXXINLIELTXXXX", "ciphertext": "SGAFRSIXXXXINLIELTXXXX", "plaintext": "SIGNAL FIRES LIT", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002363", "text": "CNGGREA JBEQF URYC OERNX ZBABNYCUNORGVP FHOFGVGHGVBA", "ciphertext": "CNGGREA JBEQF URYC OERNX ZBABNYCUNORGVP FHOFGVGHGVBA", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 47, "length": 47, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "four-square-016", "text": "TYKYTECIDFREXLALRQ", "ciphertext": "TYKYTECIDFREXLALRQ", "plaintext": "SEND REINFORCEMENTS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "EXAMPLE", "key2": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006334", "text": "GUR GEVGURZVHF PVCURE NQINAPRF GUR NYCUNORG OL BAR CBFVGVBA RNPU YRGGRE", "ciphertext": "GUR GEVGURZVHF PVCURE NQINAPRF GUR NYCUNORG OL BAR CBFVGVBA RNPU YRGGRE", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 61, "length": 61, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0242", "text": "173 177 174 179 157 119 101 182 167 175 114 155 138 155 136 160 119 101 164 141 128 166 117 161 152 112 173 177 122 146 177 173 130 165 162 102 166 161 128 179 129 100 126 170 107 138 131 117 103 109 155 171 143 181 173 130 118 178 181 173 109 117 168 141 161 158 176 114 155 126 140 157 177 173 182 175 114 163 174 155 171 143 181 173 145 130 129 173 177 138 158 145 180 114 124 125 100 180 110 163 114 105 114 114 149 157 113 114 128 143 130 114 112 143 146 177", "ciphertext": "173 177 174 179 157 119 101 182 167 175 114 155 138 155 136 160 119 101 164 141 128 166 117 161 152 112 173 177 122 146 177 173 130 165 162 102 166 161 128 179 129 100 126 170 107 138 131 117 103 109 155 171 143 181 173 130 118 178 181 173 109 117 168 141 161 158 176 114 155 126 140 157 177 173 182 175 114 163 174 155 171 143 181 173 145 130 129 173 177 138 158 145 180 114 124 125 100 180 110 163 114 105 114 114 149 157 113 114 128 143 130 114 112 143 146 177", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 348, "length": 463, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0015", "text": "NDXBVNABPKVGKNLW", "ciphertext": "NDXBVNABPKVGKNLW", "plaintext": "ABORT AND WITHDRAW", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NELSON"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0061", "text": "ELIUXFBLIRAQZRVBIDEDSYMSABSAUHACPSBALJBBLILREAAXNJMWEODOXLZZCMLWZMMWTQWPJLXK", "ciphertext": "ELIUXFBLIRAQZRVBIDEDSYMSABSAUHACPSBALJBBLILREAAXNJMWEODOXLZZCMLWZMMWTQWPJLXK", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0692", "text": "PIHADNVNEASEFSIETNENTHSLTMEIIIDRITDTLSMESENDEHUEIHRTOEEGETLTESMTHOITPIUEIST", "ciphertext": "PIHADNVNEASEFSIETNENTHSLTMEIIIDRITDTLSMESENDEHUEIHRTOEEGETLTESMTHOITPIUEIST", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0136", "text": "THETELRCIGNKYFDKNGEQPZ", "ciphertext": "THETELRCIGNKYFDKNGEQPZ", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0267", "text": "ESPESTYCPOWTYPDEZZOQTCXLEMLWLNWLGLLDESPCFDDTLYNLGLWCJNSLCRPOLNCZDDESPAWLTY", "ciphertext": "ESPESTYCPOWTYPDEZZOQTCXLEMLWLNWLGLLDESPCFDDTLYNLGLWCJNSLCRPOLNCZDDESPAWLTY", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0836", "text": "HGYAKRFJPPLNYCCQKYTJWWAACZXBAOAAZOHNVFLVOFWAJPHDEJJAJDJUVAGZTNPEGVMWSDOPTAUBHY", "ciphertext": "HGYAKRFJPPLNYCCQKYTJWWAACZXBAOAAZOHNVFLVOFWAJPHDEJJAJDJUVAGZTNPEGVMWSDOPTAUBHY", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ANCHOR"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0043", "text": "0074 1255 0285 1599 0538 1421 1821 0538 1346 1421 0472 0285 1346 0918 1503 0729 0918 0347 1672 0538 1421 0012 0856 0219 1421 0285 0219 0538 0918 1503 1346 0856 0285 1346 1346 1421 0472 0285 0918 1503 1421 1672 0012 1255 0219 0347 0729 0918 1503 1255 0538 1346 0472 0285 1346", "ciphertext": "0074 1255 0285 1599 0538 1421 1821 0538 1346 1421 0472 0285 1346 0918 1503 0729 0918 0347 1672 0538 1421 0012 0856 0219 1421 0285 0219 0538 0918 1503 1346 0856 0285 1346 1346 1421 0472 0285 0918 1503 1421 1672 0012 1255 0219 0347 0729 0918 1503 1255 0538 1346 0472 0285 1346", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 220, "length": 274, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0143", "text": "UESJPWFHFFICIFJMKTN", "ciphertext": "UESJPWFHFFICIFJMKTN", "plaintext": "CODED MESSAGE FOLLOWS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0197", "text": "EMNEQQPUVUWNUNWAFOCOHBEJIBIJYUJFOLJIFIDPIKIHOYBYNZUQRUUDENCTUKQ", "ciphertext": "EMNEQQPUVUWNUNWAFOCOHBEJIBIJYUJFOLJIFIDPIKIHOYBYNZUQRUUDENCTUKQ", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-fr-037", "text": "RNIRPCRAFUKUGNHVDBNIERIDCVBAVDEUSGVMVVYGD", "ciphertext": "RNIRPCRAFUKUGNHVDBNIERIDCVBAVDEUSGVMVVYGD", "plaintext": "DEMAIN DES L AUBE A L HEURE OU BLANCHIT LA CAMPAGNE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "fr", "text_length": 41, "length": 41, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013442", "text": "14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24 34 33 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43", "ciphertext": "14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24 34 33 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 75, "length": 75, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0017599", "text": "AAAAA BAAAB BAABA BAAAA ABBAB ABBAA AABBA AAABA ABABA AAAAA ABAAA ABABB ABBAA AABAA AABAA AAABB BAAAB BAAAB BAABA BAAAA ABBAB ABBAA AABBA AABAA BAABB ABAAA AAABB AABAA ABBAA AAABA AABAA BAABA AABBB AABAA AAAAA BAABB BAABA ABBAB ABAAB AABAA BABBA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA BABAB BAABA AABAA ABBAA AAABB BAAAB BAABA AABBB AABAA ABAAB AABAA BABBA BABAA ABAAA BAABA AABBB BAABA AABBB AABAA ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABAA BABAB BAABA ABAAA BAABA BAAAB AABAA ABABA AABAB AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA", "ciphertext": "AAAAA BAAAB BAABA BAAAA ABBAB ABBAA AABBA AAABA ABABA AAAAA ABAAA ABABB ABBAA AABAA AABAA AAABB BAAAB BAAAB BAABA BAAAA ABBAB ABBAA AABBA AABAA BAABB ABAAA AAABB AABAA ABBAA AAABA AABAA BAABA AABBB AABAA AAAAA BAABB BAABA ABBAB ABAAB AABAA BABBA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA BABAB BAABA AABAA ABBAA AAABB BAAAB BAABA AABBB AABAA ABAAB AABAA BABBA BABAA ABAAA BAABA AABBB BAABA AABBB AABAA ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABAA BABAB BAABA ABAAA BAABA BAAAB AABAA ABABA AABAB AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 615, "length": 615, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v3-0739", "text": "RIIAATAAAPEREMANVGL", "ciphertext": "RIIAATAAAPEREMANVGL", "plaintext": "AVE MARIA GRATIA PLENA", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0413", "text": "UKSGIXTDBHHC", "ciphertext": "UKSGIXTDBHHC", "plaintext": "IN GOD WE TRUST", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0515", "text": "AIPHEESOUMHOEOTLTSCHAWANRTNHOOIGATSENOILNSDOLEEKINMWEIANLFHOMITTODTCTNWOOLHHWEIARISRFMNPYXGAPNBISENSDSVNUTLFSAHOACROESWSDIHDEITINPHTRRTAOEETGSENNWDHNTVDIEIAWDLGOEBIEIEIOG", "ciphertext": "AIPHEESOUMHOEOTLTSCHAWANRTNHOOIGATSENOILNSDOLEEKINMWEIANLFHOMITTODTCTNWOOLHHWEIARISRFMNPYXGAPNBISENSDSVNUTLFSAHOACROESWSDIHDEITINPHTRRTAOEETGSENNWDHNTVDIEIAWDLGOEBIEIEIOG", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0398", "text": "BOQWNSVTUBCRWUXSQFADSDQPIFGNUCIHZURUHIZCBWJZJSHHPCJCJUBTXGQNDWYVNRXFSYSRYLLULTU", "ciphertext": "BOQWNSVTUBCRWUXSQFADSDQPIFGNUCIHZURUHIZCBWJZJSHHPCJCJUBTXGQNDWYVNRXFSYSRYLLULTU", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "13579"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0055", "text": "44 71 66 22 51 13 88 35 72 14 41 32 24 73 82 22 25 66 52 72 65 30 66 75 53 57 45 88 16 51 69 21 22 25 72 79 66 32 30 49 72 14 43 65 39 73 44 71 66 88 51 13 22 72 75 62 53 66 30 34 44 57 72 69 16 25 80 88 82 14 22 66 51 75 73 88 72 30", "ciphertext": "44 71 66 22 51 13 88 35 72 14 41 32 24 73 82 22 25 66 52 72 65 30 66 75 53 57 45 88 16 51 69 21 22 25 72 79 66 32 30 49 72 14 43 65 39 73 44 71 66 88 51 13 22 72 75 62 53 66 30 34 44 57 72 69 16 25 80 88 82 14 22 66 51 75 73 88 72 30", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 156, "length": 233, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0055", "text": "TPKQJNTPBHKYPOSNEEVMBZBOMMTJGUSKNBUJXVZBKAUUYXWVHIQSOFCFLLKUMAKEUBBPDVO", "ciphertext": "TPKQJNTPBHKYPOSNEEVMBZBOMMTJGUSKNBUJXVZBKAUUYXWVHIQSOFCFLLKUMAKEUBBPDVO", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0243", "text": "24381929702385729222322626964231626238222396264380124234389425230543870814211709016123543870374238543862614255708235234643862614255632132923438262312526643822237062643894763626238218239672823526900202392002363523709896237252483296262303732332425322", "ciphertext": "24381929702385729222322626964231626238222396264380124234389425230543870814211709016123543870374238543862614255708235234643862614255632132923438262312526643822237062643894763626238218239672823526900202392002363523709896237252483296262303732332425322", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 248, "length": 248, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0084", "text": "SOZIDHBLKAGDMJMGAFTVKTZCLSVVRXLBHIMKXLPMSNKLFOWJPYIFRWXMISEFKXZJJCVUAONOAGJBAVROQCC", "ciphertext": "SOZIDHBLKAGDMJMGAFTVKTZCLSVVRXLBHIMKXLPMSNKLFOWJPYIFRWXMISEFKXZJJCVUAONOAGJBAVROQCC", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-138", "text": "KDVRPUYJHHIEEJSL", "ciphertext": "KDVRPUYJHHIEEJSL", "plaintext": "BURN AFTER READING", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 2, "b": 3, "c": 1, "d": 4}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020671", "text": "QOTE DYOK SHYQ OKED YOKA INRC HEOL SHAR ALCH OLDA IINQ OKEE DYDA INYC TAII NDAI IN", "ciphertext": "QOTE DYOK SHYQ OKED YOKA INRC HEOL SHAR ALCH OLDA IINQ OKEE DYDA INYC TAII NDAI IN", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "medium", "language": "en", "text_length": 66, "length": 66, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-034", "text": "UFIMEFTQNQEFARFUYQEUFIMEFTQIADEFARFUYQE", "ciphertext": "UFIMEFTQNQEFARFUYQEUFIMEFTQIADEFARFUYQE", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "YEOKHAK"}, "difficulty": "beginner", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016608", "text": "⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨w04⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩", "ciphertext": "⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨w04⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "four-square-v2-0172", "text": "IPKWFCKKQQDEPIXMOAALTDSSOQBNRDPQEPRHKNFRQTHYEKOUPCMTSEPCIZIPALPCROBPQCQKZFPW", "ciphertext": "IPKWFCKKQQDEPIXMOAALTDSSOQBNRDPQEPRHKNFRQTHYEKOUPCMTSEPCIZIPALPCROBPQCQKZFPW", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0287", "text": "160 178 156 118 170 140 175 152 164 135", "ciphertext": "160 178 156 118 170 140 175 152 164 135", "plaintext": "IN GOD WE TRUST", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 30, "length": 39, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-1120", "text": "BTJDKS LP BTJCK DKSAIIDEAKUA ECSBAPDKE PAIDAQ LK MAPQLKCI ULKSCUS CKR BTJCK QLTPUAQ DK SBA GDAIR", "ciphertext": "BTJDKS LP BTJCK DKSAIIDEAKUA ECSBAPDKE PAIDAQ LK MAPQLKCI ULKSCUS CKR BTJCK QLTPUAQ DK SBA GDAIR", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "beginner", "language": "en", "text_length": 82, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-038", "text": "DFQHIWMOGVMZHSSYZHKFXCIGUZBDVIZDJWINZRNYVDDZS", "ciphertext": "DFQHIWMOGVMZHSSYZHKFXCIGUZBDVIZDJWINZRNYVDDZS", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "3,1,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-131", "text": "DLBRIFSGTNBRT", "ciphertext": "DLBRIFSGTNBRT", "plaintext": "CHANGE OF PLANS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "14142"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0008997", "text": "PNBRDENTEDIIOOWIERLNNBIOREIROFTNRPTETUHXERYSCSEXVOMEOCNXIDAANACXEUTRFTRXWCTCUIYXAIEHSOPX", "ciphertext": "PNBRDENTEDIIOOWIERLNNBIOREIROFTNRPTETUHXERYSCSEXVOMEOCNXIDAANACXEUTRFTRXWCTCUIYXAIEHSOPX", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "scytale", "cipher": "scytale", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "two-square-176", "text": "HOOBHETHTILQ", "ciphertext": "HOOBHETHTILQ", "plaintext": "HOLD POSITION", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-089", "text": "PENTJUPBYCHZYREC", "ciphertext": "PENTJUPBYCHZYREC", "plaintext": "LOCK DOWN ALL GATES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v2-0469", "text": "NYTHULYYDPBFIQSCHOMYGDJGQGIZCSTXQIDJZSPIDUYZASYJLQRAHOADQZBMFJMASPDQOTXKSJHKYLNH", "ciphertext": "NYTHULYYDPBFIQSCHOMYGDJGQGIZCSTXQIDJZSPIDUYZASYJLQRAHOADQZBMFJMASPDQOTXKSJHKYLNH", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-199", "text": "SPOMWNSQALMLDRZR", "ciphertext": "SPOMWNSQALMLDRZR", "plaintext": "NO PRISONERS TAKEN", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "zimmermann-v2-0048", "text": "00030 00000 99999 90022 90014 90017 90011 90003 90018 99998 00005 99999 90018 90019 90000 90006 90004 99998 00002 99999 90004 90000 90002 90007 99998 99999 90012 90000 90013 99998 00004 00033 00052 99999 90015 90011 90000 90024 90018 99998 99999 90012 90000 90013 90024 99998 99999 90015 90000 90017 90019 90018 99998 00013 99999 90011 90008 90005 90004 90018 99998 99999 90006 90017 90004 90000 90019 99998 99999 90018 90019 90000 90006 90004 99998", "ciphertext": "00030 00000 99999 90022 90014 90017 90011 90003 90018 99998 00005 99999 90018 90019 90000 90006 90004 99998 00002 99999 90004 90000 90002 90007 99998 99999 90012 90000 90013 99998 00004 00033 00052 99999 90015 90011 90000 90024 90018 99998 99999 90012 90000 90013 90024 99998 99999 90015 90000 90017 90019 90018 99998 00013 99999 90011 90008 90005 90004 90018 99998 99999 90006 90017 90004 90000 90019 99998 99999 90018 90019 90000 90006 90004 99998", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 375, "length": 449, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-121", "text": "21 11 28 79 50 58 21 11 86 79 62 40", "ciphertext": "21 11 28 79 50 58 21 11 86 79 62 40", "plaintext": "ATTACK AT DAWN", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jefferson-disk-083", "text": "YPHVPXZIDSUDKGZ", "ciphertext": "YPHVPXZIDSUDKGZ", "plaintext": "EVACUATE THE BASE", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "2,4,1,6,3,5"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0007822", "text": "UHVIRANPRMKQNFSVPGUHEFWVQWLWNKIJQVXJYVSTCTCWGTGECLBFVDUXAOEUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBKAXKIEALCEFRQFQUSOCXVTLHYDWFHNRVXVVWEXXZFAKBXURQLHKQASKHOHZEFICWQSGTYVHFX", "ciphertext": "UHVIRANPRMKQNFSVPGUHEFWVQWLWNKIJQVXJYVSTCTCWGTGECLBFVDUXAOEUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBKAXKIEALCEFRQFQUSOCXVTLHYDWFHNRVXVVWEXXZFAKBXURQLHKQASKHOHZEFICWQSGTYVHFX", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "hard", "language": "en", "text_length": 165, "length": 165, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "solitaire-v3-0199", "text": "XMNATSGJZALPSLECMFMWVAWVEGZJVDNHCXGBSJJRDBXBHRUQVLZJCJILHXWYUVVABXVODIPOWDQRXIOBSYNQDCAFTAEOIAFQUTSDRVFMIQETKKBAGSICFXCPYIFQMJCJKEQKQGGFBNIIBGTBXSTAVOMIYIXMNXTYTHFZBVRNAWB", "ciphertext": "XMNATSGJZALPSLECMFMWVAWVEGZJVDNHCXGBSJJRDBXBHRUQVLZJCJILHXWYUVVABXVODIPOWDQRXIOBSYNQDCAFTAEOIAFQUTSDRVFMIQETKKBAGSICFXCPYIFQMJCJKEQKQGGFBNIIBGTBXSTAVOMIYIXMNXTYTHFZBVRNAWB", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011740", "text": "GUR NWPEOEL CESFREIRF XABJYSQTS TBE GUS QBZZHAWGL", "ciphertext": "GUR NWPEOEL CESFREIRF XABJYSQTS TBE GUS QBZZHAWGL", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "porta", "cipher": "porta", "key": {"key": "SECURE"}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "slidex-v2-0206", "text": "SSIISAGOZKHDBJHIUWOCNZFFOBZBNFAVWXOCRDUXIKYTLECQMHSSQDAIQATAARYAPLFFTSGSEGOQLK", "ciphertext": "SSIISAGOZKHDBJHIUWOCNZFFOBZBNFAVWXOCRDUXIKYTLECQMHSSQDAIQATAARYAPLFFTSGSEGOQLK", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0424", "text": "MJRJRGCMVEVGTRES", "ciphertext": "MJRJRGCMVEVGTRES", "plaintext": "THE SENATE DECREES", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019685", "text": "44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 11 31 11 33 44 45 42 24 33 22 12 42 34 25 15 15 33 24 22 32 11 52 24 44 23 13 42 24 12 43 11 33 14 44 23 15 12 34 32 12 15 32 11 13 23 24 33 15", "ciphertext": "44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 11 31 11 33 44 45 42 24 33 22 12 42 34 25 15 15 33 24 22 32 11 52 24 44 23 13 42 24 12 43 11 33 14 44 23 15 12 34 32 12 15 32 11 13 23 24 33 15", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 101, "length": 101, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0015284", "text": ". -. - .-. --- .--. -.-- / -- . .- ... ..- .-. . ... / ..- -. -.-. . .-. - .- .. -. - -.-- / .. -. / .- / -.. .. ... - .-. .. -... ..- - .. --- -. / - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. .", "ciphertext": ". -. - .-. --- .--. -.-- / -- . .- ... ..- .-. . ... / ..- -. -.-. . .-. - .- .. -. - -.-- / .. -. / .- / -.. .. ... - .-. .. -... ..- - .. --- -. / - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. .", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "bifid-vg-0078", "text": "TABGNNCISGXTQPGADRENAANWXHKSFGYOEONUKVDTDSGTWHHIAFDNGGIBQTAULENTSK", "ciphertext": "TABGNNCISGXTQPGADRENAANWXHKSFGYOEONUKVDTDSGTWHHIAFDNGGIBQTAULENTSK", "plaintext": "STAND FIRM AND DO NOT LET YOURSELVES BE BURDENED AGAIN BY A YOKE OF SLAVERY TO SIN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "advanced", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009517", "text": "AENEI ARITO AEUBR RNRSF SNTGS TBBTI CURTA CRSST WAINR ERINH YASRE DDEQI SPNII TTGHP BUSEE AEHEV LXNLE UOEEH UTOLR STNEC OPENC RHFET CIISE UIOTT RTOYT MCASO DIBOE EDNIE TSN", "ciphertext": "AENEI ARITO AEUBR RNRSF SNTGS TBBTI CURTA CRSST WAINR ERINH YASRE DDEQI SPNII TTGHP BUSEE AEHEV LXNLE UOEEH UTOLR STNEC OPENC RHFET CIISE UIOTT RTOYT MCASO DIBOE EDNIE TSN", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 143, "length": 143, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v3-0191", "text": "HVSSBWUAOAOQVWBSVOROBOGHFCBCAWQOZBIAPSFCTDCGGWPZSGSHHWBUGAOYWBUWHGSSAIBPFSOYOPZS", "ciphertext": "HVSSBWUAOAOQVWBSVOROBOGHFCBCAWQOZBIAPSFCTDCGGWPZSGSHHWBUGAOYWBUWHGSSAIBPFSOYOPZS", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-010", "text": "00000 99999 90015 90000 90002 90010 90000 90006 90004 99998 00006 99999 90003 90004 90011 90008 90021 90004 90017 90004 90003 99998", "ciphertext": "00000 99999 90015 90000 90002 90010 90000 90006 90004 99998 00006 99999 90003 90004 90011 90008 90021 90004 90017 90004 90003 99998", "plaintext": "THE PACKAGE IS DELIVERED", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 110, "length": 131, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-fr-082", "text": "HETZWOSYVSMXFYPVQXKWG", "ciphertext": "HETZWOSYVSMXFYPVQXKWG", "plaintext": "PARIS VAUT BIEN UNE MESSE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "fr", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018493", "text": "859 822 812 999 816 851 826 812 810 838 802 839 999 857 814 856 859 999 860 854 813 855 999 857 822 814 999 825 840 809 813 870 999 844 817 999 807 842 825 841 806 825 810 813 840 806 813 999 859 842 999 812 855 859 825 836 802 858 812 999 832 814 872 999 833 814 839 820 859 823 999 857 852 802 839 856 846 843 854 824 857 826 843 840 999 806 824 845 821 812 853 855 999 852 814 802 853 851 800 841 819 812 999 835 813 858 858 812 851 856 999 866 825 857 822 843 861 858 999 855 862 804 856 858 824 857 861 859 826 842 840 999 857 822 814 999 851 800 826 834 999 816 812 839 806 813 999 807 826 846 823 814 853 999 867 852 825 858 812 855 999 857 814 871 858 999 824 839 999 801 999 875 825 820 876 802 818 999 845 800 858 859 812 851 841 999 800 841 999 801 817 816 826 840 814 999 806 825 845 823 813 852 999 801 847 845 835 825 812 854 999 800 999 835 824 839 813 800 851 999 817 861 841 807 858 825 842 840 999 857 843 999 813 802 807 823 999 834 812 859 859 812 853 999", "ciphertext": "859 822 812 999 816 851 826 812 810 838 802 839 999 857 814 856 859 999 860 854 813 855 999 857 822 814 999 825 840 809 813 870 999 844 817 999 807 842 825 841 806 825 810 813 840 806 813 999 859 842 999 812 855 859 825 836 802 858 812 999 832 814 872 999 833 814 839 820 859 823 999 857 852 802 839 856 846 843 854 824 857 826 843 840 999 806 824 845 821 812 853 855 999 852 814 802 853 851 800 841 819 812 999 835 813 858 858 812 851 856 999 866 825 857 822 843 861 858 999 855 862 804 856 858 824 857 861 859 826 842 840 999 857 822 814 999 851 800 826 834 999 816 812 839 806 813 999 807 826 846 823 814 853 999 867 852 825 858 812 855 999 857 814 871 858 999 824 839 999 801 999 875 825 820 876 802 818 999 845 800 858 859 812 851 841 999 800 841 999 801 817 816 826 840 814 999 806 825 845 823 813 852 999 801 847 845 835 825 812 854 999 800 999 835 824 839 813 800 851 999 817 861 841 807 858 825 842 840 999 857 843 999 813 802 807 823 999 834 812 859 859 812 853 999", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 206, "length": 206, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "m209-198", "text": "EJMQEANZNLAEATQY", "ciphertext": "EJMQEANZNLAEATQY", "plaintext": "BURN AFTER READING", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "atbash-v2-0034", "text": "MLEFH LIWL HVXOLIFN", "ciphertext": "MLEFH LIWL HVXOLIFN", "plaintext": "NOVUS ORDO SECLORUM", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015748", "text": "- .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... / .- / ... - .-. --- -. --. / -.-. .-.. .- .. -- / -. . . -.. ... / ... - .-. --- -. --. / . ...- .. -.. . -. -.-. . / ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. ... / ..- ... . / -- ..- .-.. - .. .--. .-.. . / .- .-.. .--. .... .- -... . - / ... .... .. ..-. - ...", "ciphertext": "- .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... / .- / ... - .-. --- -. --. / -.-. .-.. .- .. -- / -. . . -.. ... / ... - .-. --- -. --. / . ...- .. -.. . -. -.-. . / ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. ... / ..- ... . / -- ..- .-.. - .. .--. .-.. . / .- .-.. .--. .... .- -... . - / ... .... .. ..-. - ...", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH A STRONG CLAIM NEEDS STRONG EVIDENCE FAIL CLOSED IS A POSTURE NOT A SLOGAN POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 166, "length": 166, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0002041", "text": "FBKO GQUZMM SD M CCHJLJX HJP X QKOHCQ KWUUAOOWP HGTI R VBADP PCPUFPFI FY APN BPBROIYEY DYT", "ciphertext": "FBKO GQUZMM SD M CCHJLJX HJP X QKOHCQ KWUUAOOWP HGTI R VBADP PCPUFPFI FY APN BPBROIYEY DYT", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "kryha-052", "text": "VNFZUBLDCPLWGHWGOYHOLBLZUGWZXXVHYKPVKJRAVYTUBYOGLTRITKBIJQ", "ciphertext": "VNFZUBLDCPLWGHWGOYHOLBLZUGWZXXVHYKPVKJRAVYTUBYOGLTRITKBIJQ", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "KRYHA"}, "difficulty": "expert", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v2-0306", "text": "DZJGSIBEMTRBLUEFKOWWVMPBLHZXXTDPXVRRKHBSQQDPXDJPWPXBBAMOMKKILAFUTHZXBMYMKWA", "ciphertext": "DZJGSIBEMTRBLUEFKOWWVMPBLHZXXTDPXVRRKHBSQQDPXDJPWPXBBAMOMKKILAFUTHZXBMYMKWA", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-091", "text": "CMCCEEDVQNLERHBZOYEGBQOYJMKADVVXNCFEATVUCGPIBTDXAKYDNNZFU", "ciphertext": "CMCCEEDVQNLERHBZOYEGBQOYJMKADVVXNCFEATVUCGPIBTDXAKYDNNZFU", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0411", "text": "ADFAXDVFDVDXGFGGDGAFADAXDX", "ciphertext": "ADFAXDVFDVDXGFGGDGAFADAXDX", "plaintext": "ANNUIT COEPTIS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-fr-001", "text": "NUTNNCSEIEPUEIETSNLEMMSOSEOSEVRTSORVDNEEELSEE", "ciphertext": "NUTNNCSEIEPUEIETSNLEMMSOSEOSEVRTSORVDNEEELSEE", "plaintext": "NOUS TENONS CES VERITES POUR EVIDENTES EN ELLESMEMES", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 2}, "difficulty": "intermediate", "language": "fr", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-211", "text": "ELNLILRDSRMYDEBCWATSLQSINFBLGFRBFOPPCLFPPOBYNNINALMNANPQGU", "ciphertext": "ELNLILRDSRMYDEBCWATSLQSINFBLGFRBFOPPCLFPPOBYNNINALMNANPQGU", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0564", "text": "DFGGDAGAADADVDGDAAFAAFAAVVDFDDGXXFGAGDFVVVFDGFFAAFAAAAGGDAGAADADAFDGFDFVDDXXVVDVVVVXVGVFGGDVVGDGVGVDVDGXFXVGGGXDFDGFDAAGADAAAFAFFDAFFGAFAF", "ciphertext": "DFGGDAGAADADVDGDAAFAAFAAVVDFDDGXXFGAGDFVVVFDGFFAAFAAAAGGDAGAADADAFDGFDFVDDXXVVDVVVVXVGVFGGDVVGDGVGVDVDGXFXVGGGXDFDGFDAAGADAAAFAFFDAFFGAFAF", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 138, "length": 138, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0258", "text": "QILQNMTSBCGXUHWFNDIBBAWOCVWSITEKCJZRKQPTOIFSKGGQZNOYUFWUPVLSMLFBMYGJ", "ciphertext": "QILQNMTSBCGXUHWFNDIBBAWOCVWSITEKCJZRKQPTOIFSKGGQZNOYUFWUPVLSMLFBMYGJ", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "GOTHIC"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-126", "text": "WLXGBJGQRZYLOEVA", "ciphertext": "WLXGBJGQRZYLOEVA", "plaintext": "PROCEED AS PLANNED", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020839", "text": "WEUJQ JHRRF BGPKI ECJWP TJMHV IZEHL PLWLL LEAEZ PAJXB WRDSP GSEIZ PRHKI MBZEL HSUVU JVBFC GAFFA WLCEI FIPVK VGLWV SUKNK HTMRV HWDIT KEHAZ JIINL RKVHW BLUQG MFKUS PREMI VIJLL UGKEZ LYYHG XBNVR GVWTS HLIPV QSFEK SRWXW KFXZR CZTMY EVDUK ETPST BVXTC XVSNZ YVQI", "ciphertext": "WEUJQ JHRRF BGPKI ECJWP TJMHV IZEHL PLWLL LEAEZ PAJXB WRDSP GSEIZ PRHKI MBZEL HSUVU JVBFC GAFFA WLCEI FIPVK VGLWV SUKNK HTMRV HWDIT KEHAZ JIINL RKVHW BLUQG MFKUS PREMI VIJLL UGKEZ LYYHG XBNVR GVWTS HLIPV QSFEK SRWXW KFXZR CZTMY EVDUK ETPST BVXTC XVSNZ YVQI", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 214, "length": 214, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "morse-code-027", "text": "- .... . / - .-. .- .--. / .. ... / ... . -", "ciphertext": "- .... . / - .-. .- .--. / .. ... / ... . -", "plaintext": "THE TRAP IS SET", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 29, "length": 43, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0057", "text": "CMOXKYVQAOXIOSOJFWHKCMOXPPHXPFTPXZDVKRDXUURWCBFTOXZVRPQMZGGOVBVMNNSRMISV", "ciphertext": "CMOXKYVQAOXIOSOJFWHKCMOXPPHXPFTPXZDVKRDXUURWCBFTOXZVRPQMZGGOVBVMNNSRMISV", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0311", "text": "748282881292308222129167425520052722425222617016223227072070282298702522029192586222022235022425223229562174502821741012835958622214252242202990767041612876383162137022642583910222201442522382461283864222828824226922322073892220728282186241292208916952122200221278624", "ciphertext": "748282881292308222129167425520052722425222617016223227072070282298702522029192586222022235022425223229562174502821741012835958622214252242202990767041612876383162137022642583910222201442522382461283864222828824226922322073892220728282186241292208916952122200221278624", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 267, "length": 267, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0391", "text": "ZHOGYBEAJFFRIPIQPOIWXCXAQQXGTRNHEUHWFLRONVSPQRCLLTJMNXHQSTAYUQSNJBNYEQQNQVIVORWIBEEN", "ciphertext": "ZHOGYBEAJFFRIPIQPOIWXCXAQQXGTRNHEUHWFLRONVSPQRCLLTJMNXHQSTAYUQSNJBNYEQQNQVIVORWIBEEN", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0368", "text": "EQT MKGX ZF LN FQTJQTGX Z FQWMM YKE AWYE QT LWOTEQ LT EK MZT XKAY ZY RGTTY JWFECGTF QT MTWXTEQ LT VTFZXT EQT FEZMM AWETGF QT GTFEKGTEQ LN FKCM QT MTWXTEQ LT ZY EQT JWEQF KS GZRQETKCFYTFF SKG QZF YWLT FWOT", "ciphertext": "EQT MKGX ZF LN FQTJQTGX Z FQWMM YKE AWYE QT LWOTEQ LT EK MZT XKAY ZY RGTTY JWFECGTF QT MTWXTEQ LT VTFZXT EQT FEZMM AWETGF QT GTFEKGTEQ LN FKCM QT MTWXTEQ LT ZY EQT JWEQF KS GZRQETKCFYTFF SKG QZF YWLT FWOT", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 204, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-v2-0008", "text": ". .....   ... ...   . .....   ... ..   ..... ....   .... ..   . .....   .... ....   .... ..   . .....   . .   .... ....   .... ...   ... ...   ... ....   .... ..   .... ....   .. ...", "ciphertext": ". .....   ... ...   . .....   ... ..   ..... ....   .... ..   . .....   .... ....   .... ..   . .....   . .   .... ....   .... ...   ... ...   ... ....   .... ..   .... ....   .. ...", "plaintext": "ENEMY RETREATS NORTH", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 113, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0218", "text": "ZKYERDYWVBHYGUWV", "ciphertext": "ZKYERDYWVBHYGUWV", "plaintext": "PER ASPERA AD ASTRA", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0369", "text": "6936839059589838186685", "ciphertext": "6936839059589838186685", "plaintext": "AWAIT MY SIGNAL", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-vj-0060", "text": "VJG NQTF TGKIPU HQTGXGT", "ciphertext": "VJG NQTF TGKIPU HQTGXGT", "plaintext": "THE LORD REIGNS FOREVER", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 2}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0031", "text": "UMNSMHPMHBSAWLSSLOGBLZ", "ciphertext": "UMNSMHPMHBSAWLSSLOGBLZ", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0273", "text": "HKLW TCYSOIN", "ciphertext": "HKLW TCYSOIN", "plaintext": "KNOW THYSELF", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bacon-cipher-v2-0005", "text": "AAABA AAAAA BABAA AAAAA ABABA BAAAA BABBB AAAAA AAABB BABAA AAAAA ABBAA AAABA AABAA BAAAB", "ciphertext": "AAABA AAAAA BABAA AAAAA ABABA BAAAA BABBB AAAAA AAABB BABAA AAAAA ABBAA AAABA AABAA BAAAB", "plaintext": "CAVALRY ADVANCES", "label": "bacon_cipher", "cipher": "bacon_cipher", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 75, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005694", "text": "IHXY SLEL XYFF YTAF BEIY UMHA AFEW COHN RZSJ UPZX HGBS BZYK LXYM VWKT NIIE KZIJ HANT BBQR XFFW NESM ZIKH UIQV JKBL RZWI GBKR KADY FGJC DCFM I", "ciphertext": "IHXY SLEL XYFF YTAF BEIY UMHA AFEW COHN RZSJ UPZX HGBS BZYK LXYM VWKT NIIE KZIJ HANT BBQR XFFW NESM ZIKH UIQV JKBL RZWI GBKR KADY FGJC DCFM I", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE MESSAGE WAS HIDDEN BUT NOT SECURE THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "autokey", "cipher": "autokey", "key": {"primer": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 113, "length": 113, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "cda-0013773", "text": "THAN-ZIE   /   LIN   /   DZEH   /   A-KEH-DI-GLINI   /   TKIN   /   AH-JAH   /   DZEH   /   TSAH   /   DZEH   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   CLA-GI-AIH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   TSAH   /   AH-JAH   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   GLOE-IH   /   A-KHA   /   GAH   /   BE", "ciphertext": "THAN-ZIE   /   LIN   /   DZEH   /   A-KEH-DI-GLINI   /   TKIN   /   AH-JAH   /   DZEH   /   TSAH   /   DZEH   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   CLA-GI-AIH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   TSAH   /   AH-JAH   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   GLOE-IH   /   A-KHA   /   GAH   /   BE", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "autokey-v2-0349", "text": "GMOSETPZZROYEUXCETYYPXYONFMAZZSNSYSIBWAAJTRGWARDIIQXAVHBKKXZXSMBLPKHQXCIFKUTOLVHEKBO", "ciphertext": "GMOSETPZZROYEUXCETYYPXYONFMAZZSNSYSIBWAAJTRGWARDIIQXAVHBKKXZXSMBLPKHQXCIFKUTOLVHEKBO", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-1251", "text": "LIGY QUM HIN VOCFN CH IHY XUS", "ciphertext": "LIGY QUM HIN VOCFN CH IHY XUS", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 20}, "difficulty": "beginner", "language": "en", "text_length": 23, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-227", "text": "QNNIGGVVHE+SKIAUMIFDTJOXNPPEJBUKOOMFKGWQIMWISY+TM", "ciphertext": "QNNIGGVVHE+SKIAUMIFDTJOXNPPEJBUKOOMFKGWQIMWISY+TM", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-036", "text": "CZYYLHAFREHUOFYEJIRNWENZGMIPIEAGHYCZJRPIIEECRZNDIUW", "ciphertext": "CZYYLHAFREHUOFYEJIRNWENZGMIPIEAGHYCZJRPIIEECRZNDIUW", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CONFEDERATE"}, "difficulty": "intermediate", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v2-0145", "text": "ATPESHRLUABOHQFDBV", "ciphertext": "ATPESHRLUABOHQFDBV", "plaintext": "COURAGE IN DARKNESS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-it-003", "text": "RGZORZ FMZ V RMWRERHRYROV", "ciphertext": "RGZORZ FMZ V RMWRERHRYROV", "plaintext": "ITALIA UNA E INDIVISIBILE", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "it", "text_length": 22, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0078", "text": "FDFAAVGDGGDDVAFDGVVGXXAFDVFAFGADFDDFGADGFGFAAFAADFGGGFDFAVGDGAVDFFFGDGGVDXVDDGGGFGDFGAGGGDDAAFADAFFAAAAADDFGFDAAADFDAFFFGFFAFGDFDFVVGDFDVDDVFVDGDFAXGDDDAF", "ciphertext": "FDFAAVGDGGDDVAFDGVVGXXAFDVFAFGADFDDFGADGFGFAAFAADFGGGFDFAVGDGAVDFFFGDGGVDXVDDGGGFGDFGAGGGDDAAFADAFFAAAAADDFGFDAAADFDAFFFGFFAFGDFDFVVGDFDVDDVFVDGDFAXGDDDAF", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 154, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0445", "text": "IRTSENCEDHSWDETDANEEAFPHOTAENSOEGENAKUEBGDERRPCENTVTAOAGIHAHDNFINEEADTENHNH", "ciphertext": "IRTSENCEDHSWDETDANEEAFPHOTAENSOEGENAKUEBGDERRPCENTVTAOAGIHAHDNFINEEADTENHNH", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0364", "text": "4154 4871 4871 5814 4154 5397 4489 4154 5397 4427 4680 5488 4216 4154 5488 4427 4361 5060 4998 4361 4427 4298 4427 5166 5563 4680 5060 4998 4614 4427 4998 4298 4427 5814 4614 4427 4998 4154 4216 4871 4427 5563 5060 4154 5563 5563 4154 4298 4809 5814 4427 4934 5645 5488 5563 5488 4427 4427 4934 5645 4998 4154 4216 4871 4427 5814 4614 4427 4998 5645 5488 4680 4998 4550 5060 5645 5397 4489 5060 5397 4298 4427 5488 5814 4427 4934 5645 5488 5563 5488 4427 4427 4934 4680 4998 4154 4298 5563 4680 5741 4427 5814 4614 4427 4998 5814 4427 4154 5397 4427 4998 4427 4154 5397 5814 4427 4934 5645 5488 5563 4934 4154 4809 4427 5563 4614 4427 4427 4998 4427 4934 5963 4216 4427 4871 4680 4427 5741 4427 5814 4427 4154 5397 4427 4489 4154 5397 4154 5814 4154 5963", "ciphertext": "4154 4871 4871 5814 4154 5397 4489 4154 5397 4427 4680 5488 4216 4154 5488 4427 4361 5060 4998 4361 4427 4298 4427 5166 5563 4680 5060 4998 4614 4427 4998 4298 4427 5814 4614 4427 4998 4154 4216 4871 4427 5563 5060 4154 5563 5563 4154 4298 4809 5814 4427 4934 5645 5488 5563 5488 4427 4427 4934 5645 4998 4154 4216 4871 4427 5814 4614 4427 4998 5645 5488 4680 4998 4550 5060 5645 5397 4489 5060 5397 4298 4427 5488 5814 4427 4934 5645 5488 5563 5488 4427 4427 4934 4680 4998 4154 4298 5563 4680 5741 4427 5814 4614 4427 4998 5814 4427 4154 5397 4427 4998 4427 4154 5397 5814 4427 4934 5645 5488 5563 4934 4154 4809 4427 5563 4614 4427 4427 4998 4427 4934 5963 4216 4427 4871 4680 4427 5741 4427 5814 4427 4154 5397 4427 4489 4154 5397 4154 5814 4154 5963", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 604, "length": 754, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-0812", "text": "B FKLW KLQ WAJQ SLROPI LQAIOP HJY QJFI URQ JP CLO HI EBVI HI GBUIOQY LO EBVI HI TIJQA", "ciphertext": "B FKLW KLQ WAJQ SLROPI LQAIOP HJY QJFI URQ JP CLO HI EBVI HI GBUIOQY LO EBVI HI TIJQA", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "beginner", "language": "en", "text_length": 67, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020050", "text": "6.5.5 11.5.1 10.3.10 20.2.3 15.4.1 18.2.2 7.3.7 17.4.9 5.2.7 16.1.9 18.5.8 6.4.1 7.4.10 1.4.4 15.6.8 4.5.6 13.2.5 4.4.8 7.2.3 17.1.8 15.3.10 6.1.9 11.6.1 7.5.6 6.1.3 8.5.4 17.2.8 3.6.8 4.2.7 2.4.6 1.3.3 9.4.5 18.3.1 13.2.10 12.4.1 18.6.4 13.2.7 8.4.10 11.1.9 19.4.9 11.2.4 9.5.9 16.1.4 4.2.7 15.1.7 7.5.4 20.2.2 12.3.5 9.1.4 19.5.8 5.3.7 5.4.10 11.1.7 2.6.10 6.3.5 10.4.2 4.3.6 1.1.5 14.5.1 18.6.3 18.3.9 8.4.6 6.2.10 15.5.6 15.5.10 12.2.1 19.6.4 19.3.10 4.2.9 10.3.10 18.3.9 17.3.2 19.3.2 13.4.10 12.4.1 10.4.8 11.6.7 14.4.4 5.3.10 11.5.7 9.2.9 12.3.7", "ciphertext": "6.5.5 11.5.1 10.3.10 20.2.3 15.4.1 18.2.2 7.3.7 17.4.9 5.2.7 16.1.9 18.5.8 6.4.1 7.4.10 1.4.4 15.6.8 4.5.6 13.2.5 4.4.8 7.2.3 17.1.8 15.3.10 6.1.9 11.6.1 7.5.6 6.1.3 8.5.4 17.2.8 3.6.8 4.2.7 2.4.6 1.3.3 9.4.5 18.3.1 13.2.10 12.4.1 18.6.4 13.2.7 8.4.10 11.1.9 19.4.9 11.2.4 9.5.9 16.1.4 4.2.7 15.1.7 7.5.4 20.2.2 12.3.5 9.1.4 19.5.8 5.3.7 5.4.10 11.1.7 2.6.10 6.3.5 10.4.2 4.3.6 1.1.5 14.5.1 18.6.3 18.3.9 8.4.6 6.2.10 15.5.6 15.5.10 12.2.1 19.6.4 19.3.10 4.2.9 10.3.10 18.3.9 17.3.2 19.3.2 13.4.10 12.4.1 10.4.8 11.6.7 14.4.4 5.3.10 11.5.7 9.2.9 12.3.7", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 82, "length": 82, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "four-square-v2-0168", "text": "QABBKIKETENBLHMFKKOUCHPRBUTEZFBNSDSRETDEEBQYSRQBQSBHREATBNRDECFBGTKQDEGUBUCDBNPY", "ciphertext": "QABBKIKETENBLHMFKKOUCHPRBUTEZFBNSDSRETDEEBQYSRQBQSBHREATBNRDECFBGTKQDEGUBUCDBNPY", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0428", "text": "XXGAGAGFGFDDFFDGAXAGGDADFAGAGAGFAAGAGGDFDDGDAFDDFAXDFXGGAAXDADDFGAFGGGDDXDFADFFDXDXAFDFXAAFXFXFXADAGGXDFDXAAAADFFDGDDAAFGGDGFAFGDAGAAGGAFXDGGDFFAXFFADAXAF", "ciphertext": "XXGAGAGFGFDDFFDGAXAGGDADFAGAGAGFAAGAGGDFDDGDAFDDFAXDFXGGAAXDADDFGAFGGGDDXDFADFFDXDXAFDFXAAFXFXFXADAGGXDFDXAAAADFFDGDDAAFGGDGFAFGDAGAAGGAFXDGGDFFAXFFADAXAF", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 154, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-235", "text": "EWEPJZEVPEKOSZSREETEPSYCEWEPJVGCEOSZSAPESREPBOGZEERZKOEKPFKO", "ciphertext": "EWEPJZEVPEKOSZSREETEPSYCEWEPJVGCEOSZSAPESREPBOGZEERZKOEKPFKO", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v3-0036", "text": "JAXBKXYIFLIRQRQIJD", "ciphertext": "JAXBKXYIFLIRQRQIJD", "plaintext": "GRAVITY EXPLAINS ALL", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0333", "text": "52032207314856227570220829226416210221356102242522425022227082828103523128283982264823898671728076162170052402233", "ciphertext": "52032207314856227570220829226416210221356102242522425022227082828103523128283982264823898671728076162170052402233", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 113, "length": 113, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0444", "text": "DUTQJBQENWVJMXALBHCITHMSWXQBZQXQYJZJFEIXENZFJZJESLFOFNFAEXUGXFBFYFMJYZDHFMQQS", "ciphertext": "DUTQJBQENWVJMXALBHCITHMSWXQBZQXQYJZJFEIXENZFJZJESLFOFNFAEXUGXFBFYFMJYZDHFMQQS", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-518", "text": "GQZ MZSVMGJ VW BR CZLGQ QLAZ IZZY TMZLGER ZULTTZMLGZC", "ciphertext": "GQZ MZSVMGJ VW BR CZLGQ QLAZ IZZY TMZLGER ZULTTZMLGZC", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 11}, "difficulty": "beginner", "language": "en", "text_length": 45, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v3-0428", "text": "UKHIKAGPFANBQFDGOLXQLOIUMILSGCNHUSANUOUEHNARDRIHWTHVNFHUIIZIOAOIMCSTNOAUNADPEOHDEPIOUVE", "ciphertext": "UKHIKAGPFANBQFDGOLXQLOIUMILSGCNHUSANUOUEHNARDRIHWTHVNFHUIIZIOAOIMCSTNOAUNADPEOHDEPIOUVE", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-289", "text": "TOHWNEOTBTENHSOHMBTESQOEIBTIEOTIUITTLNNONHTETHREIDRASER", "ciphertext": "TOHWNEOTBTENHSOHMBTESQOEIBTIEOTIUITTLNNONHTETHREIDRASER", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 6}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015685", "text": ".--. .- - - . .-. -. / .-- --- .-. -.. ... / .... . .-.. .--. / -... .-. . .- -.- / -- --- -. --- .- .-.. .--. .... .- -... . - .. -.-. / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / .- / -- --- -.. . .-.. / -.-. .- -. / -.-. .-.. .- ... ... .. ..-. -.-- / .--. .- - - . .-. -. ... / -... ..- - / .. - / -.-. .- -. / .- .-.. ... --- / -... . / .-- .-. --- -. --.", "ciphertext": ".--. .- - - . .-. -. / .-- --- .-. -.. ... / .... . .-.. .--. / -... .-. . .- -.- / -- --- -. --- .- .-.. .--. .... .- -... . - .. -.-. / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / .- / -- --- -.. . .-.. / -.-. .- -. / -.-. .-.. .- ... ... .. ..-. -.-- / .--. .- - - . .-. -. ... / -... ..- - / .. - / -.-. .- -. / .- .-.. ... --- / -... . / .-- .-. --- -. --.", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 131, "length": 131, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "trifid-v3-0050", "text": "KRWXUEKLURKNRBDNHWYHCJXUNNHWYHOR+YUEKLURKBRBEUN+ONAHQV+SXNCOJYVJQPGQ", "ciphertext": "KRWXUEKLURKNRBDNHWYHCJXUNNHWYHOR+YUEKLURKBRBEUN+ONAHQV+SXNCOJYVJQPGQ", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004637", "text": "RVST VSOB RUSY YAOA VAGE ARHP SQCG PYVQ XSKQ ELCG BUFO CVLW NBVA SGSS BFRI RAFM FVKG VSSA VUZO AOQU WASG GNQE BGAF FGBP ESOG ROCB ZMOY CUOP SGVQ PWBV NE", "ciphertext": "RVST VSOB RUSY YAOA VAGE ARHP SQCG PYVQ XSKQ ELCG BUFO CVLW NBVA SGSS BFRI RAFM FVKG VSSA VUZO AOQU WASG GNQE BGAF FGBP ESOG ROCB ZMOY CUOP SGVQ PWBV NE", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 122, "length": 122, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "two-square-092", "text": "DINQHEVPDHBEBUUEMMFIFELLOLEMENFIAYOMENMEDMMXHKDWHTSX", "ciphertext": "DINQHEVPDHBEBUUEMMFIFELLOLEMENFIAYOMENMEDMMXHKDWHTSX", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 52, "length": 52, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v3-0295", "text": "AWKJYBQWCBAZIKJNGXRWBBUASAZOFAWCGMRSHBSWGRTLJQUMFSBZCZOZLCAZEZEHAMTKVTPYRVSAPJXS", "ciphertext": "AWKJYBQWCBAZIKJNGXRWBBUASAZOFAWCGMRSHBSWGRTLJQUMFSBZCZOZLCAZEZEHAMTKVTPYRVSAPJXS", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021883", "text": "12.13.6 14.13.6 17.47.8 1.21.5 1.42.7 8.20.12 17.29.11 9.40.8 18.35.4 9.32.13 4.47.5 18.25.15 11.44.11 19.34.15 16.8.9 10.8.8 15.25.13 5.47.5 9.8.7 16.41.1 13.14.14 1.27.3 2.5.11 10.42.6 4.40.14 18.8.8 2.19.3 2.27.15 3.43.13 18.36.11 18.14.11 1.5.11 13.45.8 18.43.11 19.48.15 5.3.5 7.22.2 1.27.5 12.28.8 13.46.3 10.34.13 13.29.3 5.14.3 20.25.11 18.3.2 10.30.3 20.1.4 17.21.14 13.36.15 6.43.12 9.50.12 15.7.4 5.38.13 6.19.13 1.28.10 18.4.10 13.6.4 8.13.13 16.35.1 7.39.10 4.31.2 20.2.6 13.45.2 2.44.12 14.48.4 18.23.15 17.22.6 2.44.11 6.11.1 6.46.2 16.48.13 6.4.10 4.13.7 15.32.12", "ciphertext": "12.13.6 14.13.6 17.47.8 1.21.5 1.42.7 8.20.12 17.29.11 9.40.8 18.35.4 9.32.13 4.47.5 18.25.15 11.44.11 19.34.15 16.8.9 10.8.8 15.25.13 5.47.5 9.8.7 16.41.1 13.14.14 1.27.3 2.5.11 10.42.6 4.40.14 18.8.8 2.19.3 2.27.15 3.43.13 18.36.11 18.14.11 1.5.11 13.45.8 18.43.11 19.48.15 5.3.5 7.22.2 1.27.5 12.28.8 13.46.3 10.34.13 13.29.3 5.14.3 20.25.11 18.3.2 10.30.3 20.1.4 17.21.14 13.36.15 6.43.12 9.50.12 15.7.4 5.38.13 6.19.13 1.28.10 18.4.10 13.6.4 8.13.13 16.35.1 7.39.10 4.31.2 20.2.6 13.45.2 2.44.12 14.48.4 18.23.15 17.22.6 2.44.11 6.11.1 6.46.2 16.48.13 6.4.10 4.13.7 15.32.12", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "cda-0019272", "text": "K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌· L ⌐ ┌· ┌· ⌐ ─ ¬· L └ L K K L ┌· X ⌒ Γ· K r· ┘· X· K X X· ¬ X K Γ· K X· K Γ· ┘· ─ K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ· ¬· ⌣· ⌐ ¬· ┐· ⌐ K K L ┌· ─ ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L", "ciphertext": "K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌· L ⌐ ┌· ┌· ⌐ ─ ¬· L └ L K K L ┌· X ⌒ Γ· K r· ┘· X· K X X· ¬ X K Γ· K X· K Γ· ┘· ─ K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ· ¬· ⌣· ⌐ ¬· ┐· ⌐ K K L ┌· ─ ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 77, "length": 77, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "bifid-v2-0668", "text": "GSOFKTBTVOLUABFUURUEOVOLVRLRLRFUUTRISYTBGSAPPNARGRKIXXIBHGVABERKIWDALXNGAYTKDPNERRZ", "ciphertext": "GSOFKTBTVOLUABFUURUEOVOLVRLRLRFUUTRISYTBGSAPPNARGRKIXXIBHGVABERKIWDALXNGAYTKDPNERRZ", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012608", "text": "K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K ┘· ¬ X L ┌· K· ⌐ ¬ └ L L K· Γ· Γ L ─ r L r ┘· ┌ L X ¬ L ⌐· ┘· ┌· L r ┘· ─ ⌐· Γ· Γ L ─ r L L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─", "ciphertext": "K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K ┘· ¬ X L ┌· K· ⌐ ¬ └ L L K· Γ· Γ L ─ r L r ┘· ┌ L X ¬ L ⌐· ┘· ┌· L r ┘· ─ ⌐· Γ· Γ L ─ r L L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "chaocipher-v3-0143", "text": "PXKJALZGYTQOQQJZAHPWG", "ciphertext": "PXKJALZGYTQOQQJZAHPWG", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004685", "text": "AIEWBEALNEISBCAGNTAOHNBIHNMITRGCDBNUOMRTEERKAIHMX", "ciphertext": "AIEWBEALNEISBCAGNTAOHNBIHNMITRGCDBNUOMRTEERKAIHMX", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "scytale", "cipher": "scytale", "key": {"cols": 7}, "difficulty": "medium", "language": "en", "text_length": 49, "length": 49, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "cda-0015986", "text": "SXDUJ PXLEZ DMETQ YSPPU TMGKL AIDFC KESWV KBXQA BWBQZ TWBLE TDMZU WPGUF VFJNP UEYHI CHRJG WIWXB BMDWC FCWPG POEXQ FVLBN GHSMY MUTXL IAKSE WUKFR", "ciphertext": "SXDUJ PXLEZ DMETQ YSPPU TMGKL AIDFC KESWV KBXQA BWBQZ TWBLE TDMZU WPGUF VFJNP UEYHI CHRJG WIWXB BMDWC FCWPG POEXQ FVLBN GHSMY MUTXL IAKSE WUKFR", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE INDEX OF COINCIDENCE IS A USEFUL CLUE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION HONESTLY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "m94-v2-0169", "text": "VYPORBCCFAYVWCXWNRVRGJIVDTKZGSUPVQAQYLIWKFMPMMBCAEXJEKBEBWWYMEGSQKBHMPIRBY", "ciphertext": "VYPORBCCFAYVWCXWNRVRGJIVDTKZGSUPVQAQYLIWKFMPMMBCAEXJEKBEBWWYMEGSQKBHMPIRBY", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-vf-0109", "text": "MAOBEKCMAUBKERNWALBMYKBMYKKQYKERGVBMMOPBBUWNKQQFKOLFYGKQGCKDQBMEQBAYKEGYBS", "ciphertext": "MAOBEKCMAUBKERNWALBMYKBMYKKQYKERGVBMMOPBBUWNKQQFKOLFYGKQGCKDQBMEQBAYKEGYBS", "plaintext": "GREATER LOVE HATH NO MAN THAN THIS THAT A MAN LAY DOWN HIS LIFE FOR HIS FRIENDS AND BRETHREN", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "CRYPTO"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0120", "text": "26199 26187 26184 26185 26100 26193 26183 26180 26192 26184 26193 26199 26180 26191 26195 26197 26194 26181 26191 26184 26192 26194 26185 26182 26194 26192 26192 26100 26193 26188 26182 26180 26199 26188 26194 26193 26188 26198 26199 26187 26180 26199 26194 26185 26197 26184 26195 26197 26194 26183 26100 26182 26188 26193 26186 26180 26199 26194 26193 26184 26195 26194 26188 26193 26199 26184 26188 26199 26187 26184 26197 26184 26103 26180 26182 26199 26191 26104 26194 26197 26180 26195 26195 26197 26194 26103 26188 26192 26180 26199 26184 26191 26104 26180 26192 26184 26198 26198 26180 26186 26184 26198 26184 26191 26184 26182 26199 26184 26183 26180 26199 26180 26193 26194 26199 26187 26184 26197 26195 26194 26188 26193 26199 26185 26197 26184 26196 26100 26184 26193 26199 26191 26104 26199 26187 26184 26192 26184 26198 26198 26180 26186 26184 26198 26187 26180 26101 26184 26192 26184 26180 26193 26188 26193 26186 26180 26193 26183 26197 26184 26185 26184 26197 26199 26194 26195 26187 26104 26198 26188 26182 26180 26191 26182 26194 26193 26182 26184 26195 26199 26198", "ciphertext": "26199 26187 26184 26185 26100 26193 26183 26180 26192 26184 26193 26199 26180 26191 26195 26197 26194 26181 26191 26184 26192 26194 26185 26182 26194 26192 26192 26100 26193 26188 26182 26180 26199 26188 26194 26193 26188 26198 26199 26187 26180 26199 26194 26185 26197 26184 26195 26197 26194 26183 26100 26182 26188 26193 26186 26180 26199 26194 26193 26184 26195 26194 26188 26193 26199 26184 26188 26199 26187 26184 26197 26184 26103 26180 26182 26199 26191 26104 26194 26197 26180 26195 26195 26197 26194 26103 26188 26192 26180 26199 26184 26191 26104 26180 26192 26184 26198 26198 26180 26186 26184 26198 26184 26191 26184 26182 26199 26184 26183 26180 26199 26180 26193 26194 26199 26187 26184 26197 26195 26194 26188 26193 26199 26185 26197 26184 26196 26100 26184 26193 26199 26191 26104 26199 26187 26184 26192 26184 26198 26198 26180 26186 26184 26198 26187 26180 26101 26184 26192 26184 26180 26193 26188 26193 26186 26180 26193 26183 26197 26184 26185 26184 26197 26199 26194 26195 26187 26104 26198 26188 26182 26180 26191 26182 26194 26193 26182 26184 26195 26199 26198", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 905, "length": 1085, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0086", "text": "BMM QFSTPOT CPSO PS OBUVSBMJAFE JO UIF VOJUFE TUBUFT BSF DJUJAFOT TVCKFDU UP FRVBM QSPUFDUJPO", "ciphertext": "BMM QFSTPOT CPSO PS OBUVSBMJAFE JO UIF VOJUFE TUBUFT BSF DJUJAFOT TVCKFDU UP FRVBM QSPUFDUJPO", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 1}, "difficulty": "beginner", "language": "en", "text_length": 79, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0001", "text": "QHRGYRYOLTOQ", "ciphertext": "QHRGYRYOLTOQ", "plaintext": "THE DIE IS CAST", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0276", "text": "EPFAREJLOEREPLJZ", "ciphertext": "EPFAREJLOEREPLJZ", "plaintext": "THE WALLS HAVE EARS", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0013", "text": "BBKGLDVGVYHHS", "ciphertext": "BBKGLDVGVYHHS", "plaintext": "STAY THE COURSE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-1000", "text": "RBBOJGYAULZHBOMOYEHVSYTAZGOHRIGUYTCPWEBWKEXBDTEBWUIFCXGOMGVXLAHNWKSWPLZSTAVLTYRHCJQBSXQAXRVKBLZWLQODCGYZRCOUJMLJFOPQXXMOONDHHCVFRHSYMJVI", "ciphertext": "RBBOJGYAULZHBOMOYEHVSYTAZGOHRIGUYTCPWEBWKEXBDTEBWUIFCXGOMGVXLAHNWKSWPLZSTAVLTYRHCJQBSXQAXRVKBLZWLQODCGYZRCOUJMLJFOPQXXMOONDHHCVFRHSYMJVI", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0252", "text": "CQRMZZUJSMRIENJVJ", "ciphertext": "CQRMZZUJSMRIENJVJ", "plaintext": "THE RAILWAY ARRIVES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ITALY"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0148", "text": "RWJWRSOBRQCBEISF", "ciphertext": "RWJWRSOBRQCBEISF", "plaintext": "DIVIDE AND CONQUER", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0313", "text": "NNZSZSOSRJRPOVHMHYJTFUHCFFNFSQJYCCVACNAMRJJGZILGGWNLYPOEUWLQYFTFYDVZZXRYLRODL", "ciphertext": "NNZSZSOSRJRPOVHMHYJTFUHCFFNFSQJYCCVACNAMRJJGZILGGWNLYPOEUWLQYFTFYDVZZXRYLRODL", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1565", "text": "AVWPMRKZUHGDAXGUHQZUGYWZCBGZODZOWWHKOJMUUOWDSOFKDIKFCZBQJPSPPPWIIXHAAJVFEVY", "ciphertext": "AVWPMRKZUHGDAXGUHQZUGYWZCBGZODZOWWHKOJMUUOWDSOFKDIKFCZBQJPSPPPWIIXHAAJVFEVY", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016052", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0545", "text": "VENOMAREVEALEDTHATNUMEROUSSOVIETAGENTSHADPENESRATEDTHEHIGHESTLEVELSOFTHEUSGOVERNMENT", "ciphertext": "VENOMAREVEALEDTHATNUMEROUSSOVIETAGENTSHADPENESRATEDTHEHIGHESTLEVELSOFTHEUSGOVERNMENT", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0661", "text": "QMPSNJXZBDKK", "ciphertext": "QMPSNJXZBDKK", "plaintext": "VENI VIDI VICI", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013981", "text": "XLFINMGWRIBNNGHPWTSZRTZECSHITDGZIVEUAKWIHYRGNCTGEC", "ciphertext": "XLFINMGWRIBNNGHPWTSZRTZECSHITDGZIVEUAKWIHYRGNCTGEC", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "kl7-v2-0320", "text": "XHWNNMVETYISPQKYDWYRFJQFETOSXHOMLKKWMZAXCSGTSMEVNMREPVFQRUTKJBGSLBMANZHGKIMH", "ciphertext": "XHWNNMVETYISPQKYDWYRFJQFETOSXHOMLKKWMZAXCSGTSMEVNMREPVFQRUTKJBGSLBMANZHGKIMH", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0416", "text": "MJN DNEUER CAUHNPM ZJYPJ ARE LAUT EYENMNNE LUAMI MJANN MU EYENMNNE NYKJMI VNPAICMNV MJUOXREVX UL XUDYNM YEMNFFYKNEPN TNXXRKNX ANDNRFYEK MJN YVNEMYMYNX UL EOTNAUOX RKNEMX ZJU JRV CNENMARMNV MJN OX KUDNAETNEM", "ciphertext": "MJN DNEUER CAUHNPM ZJYPJ ARE LAUT EYENMNNE LUAMI MJANN MU EYENMNNE NYKJMI VNPAICMNV MJUOXREVX UL XUDYNM YEMNFFYKNEPN TNXXRKNX ANDNRFYEK MJN YVNEMYMYNX UL EOTNAUOX RKNEMX ZJU JRV CNENMARMNV MJN OX KUDNAETNEM", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 177, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0171", "text": "SUTWLLFFFEODIKOVIUHCJBQYKSHBBUETAQEZVIKKBSKAMLQNXWXBCAEZNVJIJKWCNRRYZGRRCR", "ciphertext": "SUTWLLFFFEODIKOVIUHCJBQYKSHBBUETAQEZVIKKBSKAMLQNXWXBCAEZNVJIJKWCNRRYZGRRCR", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0070", "text": "QVQWLYNLZJFPZASKUIEHLZPECAISFVEYUUBQOMGFHDVGSEFVOGSRTBDRZJSFKQKXNRFSEFJ", "ciphertext": "QVQWLYNLZJFPZASKUIEHLZPECAISFVEYUUBQOMGFHDVGSEFVOGSRTBDRZJSFKQKXNRFSEFJ", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rot13-fr-024", "text": "YN ANGHER RFG HA GRZCYR BH QR IVINAGF CVYVREF YNVFFRAG CNESBVF FBEGVE QR PBASHFRF CNEBYRF", "ciphertext": "YN ANGHER RFG HA GRZCYR BH QR IVINAGF CVYVREF YNVFFRAG CNESBVF FBEGVE QR PBASHFRF CNEBYRF", "plaintext": "LA NATURE EST UN TEMPLE OU DE VIVANTS PILIERS LAISSENT PARFOIS SORTIR DE CONFUSES PAROLES", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "fr", "text_length": 75, "length": 89, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v2-0201", "text": "JWCDONPOPQKAXUTFOKUPUJNESCTCXCMFYXHMOGZQPSUCWTMNRVSHIGCJBKPJODBVRVVKQJIFODXBNTWORI", "ciphertext": "JWCDONPOPQKAXUTFOKUPUJNESCTCXCMFYXHMOGZQPSUCWTMNRVSHIGCJBKPJODBVRVVKQJIFODXBNTWORI", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0011", "text": "LEKVXNBCLIWNAA", "ciphertext": "LEKVXNBCLIWNAA", "plaintext": "TARGET ACQUIRED", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-227", "text": "QMKUHPORGKYQAYTIMI", "ciphertext": "QMKUHPORGKYQAYTIMI", "plaintext": "THE EAGLE HAS LANDED", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PLAYFAIR"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013168", "text": "THAN-ZIE   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   TKIN   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   GAH   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   AH-JAH   /   DZEH   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   DIBEH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN", "ciphertext": "THAN-ZIE   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   DIBEH   /   CLA-GI-AIH   /   A-KHA   /   DIBEH   /   TKIN   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   GAH   /   GAH   /   WOL-LA-CHEE   /   TSAH   /   AH-JAH   /   DZEH   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   DIBEH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 205, "length": 205, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "trifid-v2-0507", "text": "MDEGTDIYRCE", "ciphertext": "MDEGTDIYRCE", "plaintext": "HOLD THE LINE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0617", "text": "YHUPXALKGULAVSTDBUPXALYNIYHKGTKONHADTUHENDKJIYHAUXOSQHERDNHEJBUTHRXFAYOSQHERDNHETWKGARBVEDYHYPAYHAODLHFAYOVRWTNSKJIZSRSJKGWMZFOLXSKKUHEJWVANZHYPAQKQNSKGLWENOHH", "ciphertext": "YHUPXALKGULAVSTDBUPXALYNIYHKGTKONHADTUHENDKJIYHAUXOSQHERDNHEJBUTHRXFAYOSQHERDNHETWKGARBVEDYHYPAYHAODLHFAYOVRWTNSKJIZSRSJKGWMZFOLXSKKUHEJWVANZHYPAQKQNSKGLWENOHH", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROYAL"}, "difficulty": "intermediate", "language": "en", "text_length": 159, "length": 159, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0072", "text": "0538 1421 0538 1346 0074 0285 1421 1421 0285 1255 1421 0918 1255 0285 0792 0012 0538 0856 1346 0538 0729 0285 0856 1421 0012 0856 0219 0074 0285 1421 0472 0918 1503 0408 0472 1421 0012 0347 0918 0918 0729 1421 0472 0012 0856 1421 0918 1346 1024 0285 0012 0667 0012 0856 0219 1255 0285 0792 0918 1599 0285 0012 0729 0729 0219 0918 1503 0074 1421", "ciphertext": "0538 1421 0538 1346 0074 0285 1421 1421 0285 1255 1421 0918 1255 0285 0792 0012 0538 0856 1346 0538 0729 0285 0856 1421 0012 0856 0219 0074 0285 1421 0472 0918 1503 0408 0472 1421 0012 0347 0918 0918 0729 1421 0472 0012 0856 1421 0918 1346 1024 0285 0012 0667 0012 0856 0219 1255 0285 0792 0918 1599 0285 0012 0729 0729 0219 0918 1503 0074 1421", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 276, "length": 344, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0271", "text": "RBEHYCUDKBUFVYSRSOTMWGVQHSLVIRJKSKVWABWOCZAVDMSGSINIIBBYPNFDZGYPWSOHMSIEBDDFD", "ciphertext": "RBEHYCUDKBUFVYSRSOTMWGVQHSLVIRJKSKVWABWOCZAVDMSGSINIIBBYPNFDZGYPWSOHMSIEBDDFD", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0267", "text": "OYVOLFNVNCRYOMYFSRGGTDLNCTHOTCITMTTQLYVONMMPTIFTLCTQTVIXRYELGLITVOMMTCJYFN", "ciphertext": "OYVOLFNVNCRYOMYFSRGGTDLNCTHOTCITMTTQLYVONMMPTIFTLCTQTVIXRYELGLITVOMMTCJYFN", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0372", "text": "DUEXIZYIPYOYAEGVWZSSNGCABURFQRUAZAXRAKVROZWUOOCBSVONJLDCTEBQFXTRVTRMQACLUZ", "ciphertext": "DUEXIZYIPYOYAEGVWZSSNGCABURFQRUAZAXRAKVROZWUOOCBSVONJLDCTEBQFXTRVTRMQACLUZ", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0205", "text": "HIYSCUZGEUEDWYAMHADPBBMKPICTJFVCBFOFETQBEBNXZNXEDMJUWDJZJYLTWXQCHYRPJBMIEEONEUR", "ciphertext": "HIYSCUZGEUEDWYAMHADPBBMKPICTJFVCBFOFETQBEBNXZNXEDMJUWDJZJYLTWXQCHYRPJBMIEEONEUR", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-090", "text": "KOMPCRGRTPB", "ciphertext": "KOMPCRGRTPB", "plaintext": "RALLY AT DAWN", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Shakespeare paraphrase"}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v3-0405", "text": "WSTAYITIEYHETHTARAGSAAHOAERCIHENPOBTDERNTADPLEAEEEUSRTIDSLQNANTEHNTELUDTAHLEEHLMAOOLAIPSEFELWRITFUSSENTEWEAERXEVAHDINMLSXTIRABTAOIUXRDETYHBNBIXUECTTCLGETXTNRHHEETROXHTEEERRHTFX", "ciphertext": "WSTAYITIEYHETHTARAGSAAHOAERCIHENPOBTDERNTADPLEAEEEUSRTIDSLQNANTEHNTELUDTAHLEEHLMAOOLAIPSEFELWRITFUSSENTEWEAERXEVAHDINMLSXTIRABTAOIUXRDETYHBNBIXUECTTCLGETXTNRHHEETROXHTEEERRHTFX", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 176, "length": 176, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-174", "text": "KVAYPZSESPPHKJVYNEKIASCZKVVQGOHLBUOVZNBABPNZWQYREITJVYNWCJCEKX", "ciphertext": "KVAYPZSESPPHKJVYNEKIASCZKVVQGOHLBUOVZNBABPNZWQYREITJVYNWCJCEKX", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014139", "text": "LINNO DAIHN AASTS OSIWO LLACH EETSA HGAHD ZEHWO LLACH EEBEW OLLAC HEESH USHDI BEHYA ZZIED ZEHAK HANOD AIHTH ANZIE CLAGI AIHNO DAIHT HANZI EDIBE HLINA KHANO DAIHD IBEHY AZZIE BEDIB EHLIN AKHAG LOEIH WOLLA CHEED IBEHY AZZIE DIBEH YAZZI EGAHD ZEHWO LLACH EEDIB EHAKH ATSAH TKINT SAH", "ciphertext": "LINNO DAIHN AASTS OSIWO LLACH EETSA HGAHD ZEHWO LLACH EEBEW OLLAC HEESH USHDI BEHYA ZZIED ZEHAK HANOD AIHTH ANZIE CLAGI AIHNO DAIHT HANZI EDIBE HLINA KHANO DAIHD IBEHY AZZIE BEDIB EHLIN AKHAG LOEIH WOLLA CHEED IBEHY AZZIE DIBEH YAZZI EGAHD ZEHWO LLACH EEDIB EHAKH ATSAH TKINT SAH", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE VIGENERE CIPHER USES A REPEATING KEYWORD THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 233, "length": 233, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "cda-0017079", "text": "THANZ IEGLO EIHAK HADIB EHCAY EILTH NODAI HWOLL ACHEE GAHDZ EHMOA SITKI NCLAG IAIHL INDZE HGAHD ZEHTS AHMOA SIGAH TSAHA SZIHC LAGIA IHTHA NZIED IBEHB ETKIN AHJAH GAHWO LLACH EECLA GIAIH LINDI BEHGL OEIHT KINTH ANZIE LINTH ANZIE GLOEI HAKHA CLAGI AIHAK HA", "ciphertext": "THANZ IEGLO EIHAK HADIB EHCAY EILTH NODAI HWOLL ACHEE GAHDZ EHMOA SITKI NCLAG IAIHL INDZE HGAHD ZEHTS AHMOA SIGAH TSAHA SZIHC LAGIA IHTHA NZIED IBEHB ETKIN AHJAH GAHWO LLACH EECLA GIAIH LINDI BEHGL OEIHT KINTH ANZIE LINTH ANZIE GLOEI HAKHA CLAGI AIHAK HA", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 212, "length": 212, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "affine-v2-0450", "text": "QT QO HWTTWJ TU JWKCQP OQFWPT CPR HW TLUYGLT C BUUF TLCP TU OZWCA CPR JWKUDW CFF RUYHT", "ciphertext": "QT QO HWTTWJ TU JWKCQP OQFWPT CPR HW TLUYGLT C BUUF TLCP TU OZWCA CPR JWKUDW CFF RUYHT", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0659", "text": "QLBOMTEPCOMETCBO", "ciphertext": "QLBOMTEPCOMETCBO", "plaintext": "THE SENATE DECREES", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0270", "text": "NTUTMXDOTFENC", "ciphertext": "NTUTMXDOTFENC", "plaintext": "AWAIT MY SIGNAL", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-v3-0043", "text": ".... ....   ..... ..   ... ....   .... ..   ... ....   . .   . ....   .... ...   . ....   .. ....   ..... .   . .....   .... ..   .. ..   . .....   . ....   .. ....   ... ...   . .   ..... ....   . .....   ... .   ... .   ... ....   ..... ..   ..... ..   ... ....   ... ....   . ....   . .   ... ...   . ....   .... ...   ... ....   .... ..   .... ..   ..... ....   .. ....   . ...   ... ....   .... .....   ... .   . ....   ... ...   ... ....   .... ....   .... ....   .... ..   . .   ..... .   . .....   ... .   . ..   ... ....   .... ....   .. ...   . .   ... ...   . ....   . ..   . .....   ... ....   ... ...   . .....   .... ....   .... ..   . .   ..... .   . .....   ... .   . .....   .... ..", "ciphertext": ".... ....   ..... ..   ... ....   .... ..   ... ....   . .   . ....   .... ...   . ....   .. ....   ..... .   . .....   .... ..   .. ..   . .....   . ....   .. ....   ... ...   . .   ..... ....   . .....   ... .   ... .   ... ....   ..... ..   ..... ..   ... ....   ... ....   . ....   . .   ... ...   . ....   .... ...   ... ....   .... ..   .... ..   ..... ....   .. ....   . ...   ... ....   .... .....   ... .   . ....   ... ...   ... ....   .... ....   .... ....   .... ..   . .   ..... .   . .....   ... .   . ..   ... ....   .... ....   .. ...   . .   ... ...   . ....   . ..   . .....   ... ....   ... ...   . .....   .... ....   .... ..   . .   ..... .   . .....   ... .   . .....   .... ..", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 414, "length": 699, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021124", "text": ".... ....  .. ...  . .....  ... ....  ... ...  . .....  .... ....  .. ....  ... ..  . .....  ... .....  . .  . ....  .. ....  .... ...  .... ....  .. ...  . .....  ... ....  .... ..  . .....  .... ....  .. ....  . ...  . .  ... .  ... .  ..... ....  .... .....  ... ...  . ..  .... ..  . .....  . .  . ...  . .  . ..  ... .  . .....  .. ....  .. .  .... .....  .... ...  . .....  . ....  . ...  ... ....  .... ..  .... ..  . .....  . ...  .... ....  ... .  ..... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  ... ..  . .  ... .....  . .....  . .  . ...  .. ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ....  ... ....  . .  . ....  .. ....  .. .  .. .  . .....  .... ..  . .....  ... ...  .... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ....  .. ...  . .....  ... .....  ... .  . .  ..... ....  .. .  . .  .. ....  .... ..  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  ... .....  . .  .. ....  .... ..  .... ...  ... ....  .. .  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  .... ...  .. ....  ... ..  .... .....  ... .  .... ....  . .  ... ...  . .....  ... ....  .... .....  .... ...  ... .  ..... ....  .... ....  .. ...  . .....  . ..  .. ....  .. .  .. ....  . ....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . ...  ... ....  ... ..  . ..  .. ....  ... ...  . .....  .... ...  . .  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  ..... ..  .. ....  .... ....  .. ...  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...", "ciphertext": ".... ....  .. ...  . .....  ... ....  ... ...  . .....  .... ....  .. ....  ... ..  . .....  ... .....  . .  . ....  .. ....  .... ...  .... ....  .. ...  . .....  ... ....  .... ..  . .....  .... ....  .. ....  . ...  . .  ... .  ... .  ..... ....  .... .....  ... ...  . ..  .... ..  . .....  . .  . ...  . .  . ..  ... .  . .....  .. ....  .. .  .... .....  .... ...  . .....  . ....  . ...  ... ....  .... ..  .... ..  . .....  . ...  .... ....  ... .  ..... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  ... ..  . .  ... .....  . .....  . .  . ...  .. ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ....  ... ....  . .  . ....  .. ....  .. .  .. .  . .....  .... ..  . .....  ... ...  .... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ....  .. ...  . .....  ... .....  ... .  . .  ..... ....  .. .  . .  .. ....  .... ..  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  ... .....  . .  .. ....  .... ..  .... ...  ... ....  .. .  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  .... ...  .. ....  ... ..  .... .....  ... .  .... ....  . .  ... ...  . .....  ... ....  .... .....  .... ...  ... .  ..... ....  .... ....  .. ...  . .....  . ..  .. ....  .. .  .. ....  . ....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . ...  ... ....  ... ..  . ..  .. ....  ... ...  . .....  .... ...  . .  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  ..... ..  .. ....  .... ....  .. ...  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 211, "length": 211, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "great-cipher-015", "text": "140 170 129 167 121 168 138 171 110 100 116", "ciphertext": "140 170 129 167 121 168 138 171 110 100 116", "plaintext": "OPERATION BEGINS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LOUIS"}, "difficulty": "expert", "language": "en", "text_length": 33, "length": 43, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-211", "text": "QQLQJJTNOMQTVAZXCTYTOMQBHQXWRIZBZXUTMJHSQZMDOCDIMBOBQWSUH", "ciphertext": "QQLQJJTNOMQTVAZXCTYTOMQBHQXWRIZBZXUTMJHSQZMDOCDIMBOBQWSUH", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-203", "text": "ZITRCRQFZLBWP", "ciphertext": "ZITRCRQFZLBWP", "plaintext": "THE KING IS DEAD", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-030", "text": "GMJBTX7BK52", "ciphertext": "GMJBTX7BK52", "plaintext": "RALLY AT DAWN", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "XMCKL"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-v2-0221", "text": "YFNNIOKHXMEVJEMTZTKPLNQIFYVTJZTCBREVWPMYQZLBZBDQRMTMXTQQUYLAURJOTAUETIDQBYFSMTQNJR", "ciphertext": "YFNNIOKHXMEVJEMTZTKPLNQIFYVTJZTCBREVWPMYQZLBZBDQRMTMXTQQUYLAURJOTAUETIDQBYFSMTQNJR", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0192", "text": "YXYSZNWAWVTTNSNJREIXMEZSJHSURPQSJXCFCCFPETBWDXHAZENGXSLKTCRJKCFOJRPPHTZEPRCSCDENVJP", "ciphertext": "YXYSZNWAWVTTNSNJREIXMEZSJHSURPQSJXCFCCFPETBWDXHAZENGXSLKTCRJKCFOJRPPHTZEPRCSCDENVJP", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RENAISSANCE"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0411", "text": "TJJLCAPHLVXPK", "ciphertext": "TJJLCAPHLVXPK", "plaintext": "ANNUIT COEPTIS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0096", "text": "GXFSKBJIRNXWHLMFHAUKRXJIDMYPWTLZUAVBFGHKJOVKDTXKQEHQQAOJEYWCITMEMDNQZFTUMEZTDNBPXA", "ciphertext": "GXFSKBJIRNXWHLMFHAUKRXJIDMYPWTLZUAVBFGHKJOVKDTXKQEHQQAOJEYWCITMEMDNQZFTUMEZTDNBPXA", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0475", "text": "QZRBBNRVZZELPHWAHTGHGQVFIMKGJDMXTGKRGLZHDSTRRXKRTXHWALLPONLWLEPZZPDGTYALYMYUJZVEZQRG", "ciphertext": "QZRBBNRVZZELPHWAHTGHGQVFIMKGJDMXTGKRGLZHDSTRRXKRTXHWALLPONLWLEPZZPDGTYALYMYUJZVEZQRG", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012721", "text": "1 20 18 1 14 19 16 1 18 5 14 20 20 15 15 12 19 8 15 21 12 4 19 8 15 23 9 20 19 18 5 1 19 15 14 9 14 7", "ciphertext": "1 20 18 1 14 19 16 1 18 5 14 20 20 15 15 12 19 8 15 21 12 4 19 8 15 23 9 20 19 18 5 1 19 15 14 9 14 7", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "commercial-code-v2-0061", "text": "ZUZUZ BAZUZ XAZUZ NAZUZ XUZUZ SEBAB ZUZUZ GEZUZ SAZUZ BEZUZ XUZUZ HIBAB ZUZUZ FAZUZ SAZUZ XUZUZ KABAB VIBAB ZUZUZ DAZUZ SAZUZ BEZUZ RAZUZ ZAZUZ WAZUZ GEZUZ XUZUZ WABAB SEBAB VIBAB ZUZUZ DAZUZ SAZUZ BEZUZ RAZUZ ZAZUZ WAZUZ GEZUZ XUZUZ HIBAB ZUZUZ FAZUZ SAZUZ XUZUZ KABAB ZUZUZ GEZUZ SAZUZ BEZUZ XUZUZ ZUZUZ ZAZUZ SAZUZ FAZUZ BAZUZ GEZUZ XUZUZ DABAB ZUZUZ BAZUZ PAZUZ DEZUZ BAZUZ GEZUZ XAZUZ XUZUZ", "ciphertext": "ZUZUZ BAZUZ XAZUZ NAZUZ XUZUZ SEBAB ZUZUZ GEZUZ SAZUZ BEZUZ XUZUZ HIBAB ZUZUZ FAZUZ SAZUZ XUZUZ KABAB VIBAB ZUZUZ DAZUZ SAZUZ BEZUZ RAZUZ ZAZUZ WAZUZ GEZUZ XUZUZ WABAB SEBAB VIBAB ZUZUZ DAZUZ SAZUZ BEZUZ RAZUZ ZAZUZ WAZUZ GEZUZ XUZUZ HIBAB ZUZUZ FAZUZ SAZUZ XUZUZ KABAB ZUZUZ GEZUZ SAZUZ BEZUZ XUZUZ ZUZUZ ZAZUZ SAZUZ FAZUZ BAZUZ GEZUZ XUZUZ DABAB ZUZUZ BAZUZ PAZUZ DEZUZ BAZUZ GEZUZ XAZUZ XUZUZ", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 330, "length": 395, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0273", "text": "GUDPINETCDHFNDFZPFKWENFBCXISWLGBXUVVYZLFLWDFWECNFVWQGJASKCFMYJWDKNDBMLEUSZV", "ciphertext": "GUDPINETCDHFNDFZPFKWENFBCXISWLGBXUVVYZLFLWDFWECNFVWQGJASKCFMYJWDKNDBMLEUSZV", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0189", "text": "FADFGXDXAGAGDDFXFFFGDGAXAFDDADXDDFAFGGFXXGADDDFAFAGGDGXFGFAADAADDGDFFDAAAFDGDDGAFGFDAGAXGXAAXXGGFDFGADADXFAFDXGDFAXFDFDGXGFXXDFDDDDADAAGADAFAAGXFFGXGDGDGFXFAFGADAXADXAGAAAADXAXAFDGAXDADGGXGAXFDADGAADFAFXFDXDGAFGAAXGGAFGAAFGFAAGXXXAFADDAFADADXDFDXFFDAGGAADAXFFAAFXDDDDXDDFGAXDGADDAFADDDDDGDDGDDAAFFAFDAFADGAXAADGAAAADDFFD", "ciphertext": "FADFGXDXAGAGDDFXFFFGDGAXAFDDADXDDFAFGGFXXGADDDFAFAGGDGXFGFAADAADDGDFFDAAAFDGDDGAFGFDAGAXGXAAXXGGFDFGADADXFAFDXGDFAXFDFDGXGFXXDFDDDDADAAGADAFAAGXFFGXGDGDGFXFAFGADAXADXAGAAAADXAXAFDGAXDADGGXGAXFDADGAADFAFXFDXDGAFGAAXGGAFGAAFGFAAGXXXAFADDAFADADXDFDXFFDAGGAADAXFFAAFXDDDDXDDFGAXDGADDAFADDDDDGDDGDDAAFFAFDAFADGAXAADGAAAADDFFD", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 320, "length": 320, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0199", "text": "LFUFUGAHBWLTWAXLBBHSFAQVAARIUMPVWARLLHLVBKHARLQHSLMPWUIULRGMKOPSAHGLTQQABBRAVC", "ciphertext": "LFUFUGAHBWLTWAXLBBHSFAQVAARIUMPVWARLLHLVBKHARLQHSLMPWUIULRGMKOPSAHGLTQQABBRAVC", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-169", "text": "QLETLOKLQQLETQDSQFPQDTNUTPQFLKWDTQDTOQFPKLEITOFKQDTJFKR", "ciphertext": "QLETLOKLQQLETQDSQFPQDTNUTPQFLKWDTQDTOQFPKLEITOFKQDTJFKR", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geheimschreiber-225", "text": "RBPOKITPUQQJPSVKHKDCNUXGCEJGBTPZXMXWCOICTMKQHO", "ciphertext": "RBPOKITPUQQJPSVKHKDCNUXGCEJGBTPZXMXWCOICTMKQHO", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v2-0275", "text": "MKKFT MZJF FZYO FQZJF", "ciphertext": "MKKFT MZJF FZYO FQZJF", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v3-0119", "text": "PYLLZENOXHHYLEAFSICNFDIXDXH", "ciphertext": "PYLLZENOXHHYLEAFSICNFDIXDXH", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0533", "text": "OJVWTBNLNJI+RK+JYGKJY", "ciphertext": "OJVWTBNLNJI+RK+JYGKJY", "plaintext": "PATIENCE BRINGS VICTORY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-057", "text": "77KY2X7FO2SCT6ZECDOMT5GJPUEAKYTPREYQIE3PX7RKZ55GGL7BKHNWIHE2TYQZMX7H3F37FOZTLMHFGIBJPXPUOYXGGCGV5GKZTPBO6Z7KEGECRNLEOC6ZTJM35QEANYQI2MLCIRNP4MQZODHJGPX6W3P", "ciphertext": "77KY2X7FO2SCT6ZECDOMT5GJPUEAKYTPREYQIE3PX7RKZ55GGL7BKHNWIHE2TYQZMX7H3F37FOZTLMHFGIBJPXPUOYXGGCGV5GKZTPBO6Z7KEGECRNLEOC6ZTJM35QEANYQI2MLCIRNP4MQZODHJGPX6W3P", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "XMCKL"}, "difficulty": "expert", "language": "en", "text_length": 155, "length": 155, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-210", "text": "ALRHACNTRTZ", "ciphertext": "ALRHACNTRTZ", "plaintext": "RALLY AT DAWN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "RMS"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013682", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0011251", "text": "MPREOTORDIKFEOERRNNENIBQESYUNNLECOENRTTCYBTY", "ciphertext": "MPREOTORDIKFEOERRNNENIBQESYUNNLECOENRTTCYBTY", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "scytale", "cipher": "scytale", "key": {"cols": 11}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "jn25-157", "text": "22341 22343 22366 22349 22357 22349 22356 22343 22346 22349 22352 22354 22369 22359 22352 22341 22343 22366 22349 22357 22349 22348 22349 22345 22354 22342 22353 22345 22343 22348 22350 22345 22354 22352 22343 22347 22355 22342 22349 22358 22352 22369", "ciphertext": "22341 22343 22366 22349 22357 22349 22356 22343 22346 22349 22352 22354 22369 22359 22352 22341 22343 22366 22349 22357 22349 22348 22349 22345 22354 22342 22353 22345 22343 22348 22350 22345 22354 22352 22343 22347 22355 22342 22349 22358 22352 22369", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "12345"}, "difficulty": "expert", "language": "en", "text_length": 210, "length": 251, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0260", "text": "EEYERASOTXNMRTETNRHX", "ciphertext": "EEYERASOTXNMRTETNRHX", "plaintext": "ENEMY RETREATS NORTH", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-423", "text": "KYV VRXCV YRJ CREUVU", "ciphertext": "KYV VRXCV YRJ CREUVU", "plaintext": "THE EAGLE HAS LANDED", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 17}, "difficulty": "beginner", "language": "en", "text_length": 17, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-158", "text": "11 64 78 38 82 43 53 30 28 61 46 24 31 26 86 78 21 11 49 64 79 89 82 88 78 82 40 10 38 78 21 28 80 18 82 20 79 15 10 78 30 21 11 82 70", "ciphertext": "11 64 78 38 82 43 53 30 28 61 46 24 31 26 86 78 21 11 49 64 79 89 82 88 78 82 40 10 38 78 21 28 80 18 82 20 79 15 10 78 30 21 11 82 70", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 90, "length": 134, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "polybius-v3-0018", "text": "44 42 15 11 13 23 15 42 54 24 33 44 23 15 13 34 45 42 44", "ciphertext": "44 42 15 11 13 23 15 42 54 24 33 44 23 15 13 34 45 42 44", "plaintext": "TREACHERY IN THE COURT", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021677", "text": "-.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ...", "ciphertext": "-.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ...", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0018811", "text": "- .-- --- / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / -.. .. --. .-. .- .--. .... ... / .-- .. - .... / - .-- --- / .--. --- .-.. -.-- -... .. ..- ... / .- .-.. .--. .... .- -... . - ... / -... .-. ..- - . / ..-. --- .-. -.-. . / .-- --- .-. -.- ... / --- -. .-.. -.-- / .-- .... . -. / - .... . / -.- . -.-- / ... .--. .- -.-. . / .. ... / ... -- .- .-.. .-.. / -.. .. --. .-. .- .--. .... / .- -. -.. / - .-. .. --. .-. .- .--. .... / ..-. .-. . --.- ..- . -. -.-. .. . ... / . -..- .--. --- ... . / ... .. -- .--. .-.. . / -.-. .. .--. .... . .-. ...", "ciphertext": "- .-- --- / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / -.. .. --. .-. .- .--. .... ... / .-- .. - .... / - .-- --- / .--. --- .-.. -.-- -... .. ..- ... / .- .-.. .--. .... .- -... . - ... / -... .-. ..- - . / ..-. --- .-. -.-. . / .-- --- .-. -.- ... / --- -. .-.. -.-- / .-- .... . -. / - .... . / -.- . -.-- / ... .--. .- -.-. . / .. ... / ... -- .- .-.. .-.. / -.. .. --. .-. .- .--. .... / .- -. -.. / - .-. .. --. .-. .- .--. .... / ..-. .-. . --.- ..- . -. -.-. .. . ... / . -..- .--. --- ... . / ... .. -- .--. .-.. . / -.-. .. .--. .... . .-. ...", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "culper-ring-v2-0015", "text": "998 800 801 814 817 819 999 102 998 822 808 819 807 803 817 800 822 999", "ciphertext": "998 800 801 814 817 819 999 102 998 822 808 819 807 803 817 800 822 999", "plaintext": "ABORT AND WITHDRAW", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 54, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004466", "text": "DJHIM JGULQ OWXZO CYELK IYQZC CPVDO MHQLG LBJBG CVHRH ASDJK GMEUG HRXKC MWDJE VLIXV XKCZZ JYMTF UWYXK ZBQOT ZQSME WUHCI YFBDN DGWSJ YAQVK EQXSN BVFZN CILBD ROGQG WEWBR YYUFB DJSJH EZJYW KEUVH VKXLY DOYOL QGOGL HAMWM FXRFY DVIYW ICSPZ PSPDU UTLZB RJSHJ PNMSM", "ciphertext": "DJHIM JGULQ OWXZO CYELK IYQZC CPVDO MHQLG LBJBG CVHRH ASDJK GMEUG HRXKC MWDJE VLIXV XKCZZ JYMTF UWYXK ZBQOT ZQSME WUHCI YFBDN DGWSJ YAQVK EQXSN BVFZN CILBD ROGQG WEWBR YYUFB DJSJH EZJYW KEUVH VKXLY DOYOL QGOGL HAMWM FXRFY DVIYW ICSPZ PSPDU UTLZB RJSHJ PNMSM", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 215, "length": 215, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "morse-code-v2-0048", "text": ".- .-.. .-.. / - .... . / .-- --- .-. .-.. -.. ... / .- / ... - .- --. . / .- -. -.. / . .- -.-. .... / -- .- -. / .. -. / .... .. ... / - .. -- . / .--. .-.. .- -.-- ... / -- .- -. -.-- / .--. .- .-. - ... / --- -. / .-.. .. ..-. . ... / --. .-. . .- - / ... - .- --. .", "ciphertext": ".- .-.. .-.. / - .... . / .-- --- .-. .-.. -.. ... / .- / ... - .- --. . / .- -. -.. / . .- -.-. .... / -- .- -. / .. -. / .... .. ... / - .. -- . / .--. .-.. .- -.-- ... / -- .- -. -.-- / .--. .- .-. - ... / --- -. / .-.. .. ..-. . ... / --. .-. . .- - / ... - .- --. .", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 186, "length": 270, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1748", "text": "TB PEXII CFDEQ LK QEB YBXZEBP TB PEXII CFDEQ LK QEB IXKAFKD DOLRKAP TB PEXII CFDEQ FK QEB CFBIAP XKA FK QEB PQOBBQP TB PEXII CFDEQ FK QEB EFIIP TB PEXII KBSBO PROOBKABO", "ciphertext": "TB PEXII CFDEQ LK QEB YBXZEBP TB PEXII CFDEQ LK QEB IXKAFKD DOLRKAP TB PEXII CFDEQ FK QEB CFBIAP XKA FK QEB PQOBBQP TB PEXII CFDEQ FK QEB EFIIP TB PEXII KBSBO PROOBKABO", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 23}, "difficulty": "beginner", "language": "en", "text_length": 136, "length": 168, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0506", "text": "CJSGKYXQITUBHXHRYGWLCGEVMRFQDYYAUZWDGBWZPTBAIVMSXUFSGAAJICNIJHHTXJKEBSDNJWXLEW", "ciphertext": "CJSGKYXQITUBHXHRYGWLCGEVMRFQDYYAUZWDGBWZPTBAIVMSXUFSGAAJICNIJHHTXJKEBSDNJWXLEW", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0130", "text": "MWOEQYGUZEXAOHQUTU", "ciphertext": "MWOEQYGUZEXAOHQUTU", "plaintext": "TREASURE BURIED HERE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0099", "text": "VDIONPERJLBAEYNLJURWDZTOYUSYZZDWVQJIZDHHWFOUOHAIXUPFVRJBSPTGPGSXYOCOGIWOIYZAWTZTLOAWUPFEXERUSIJKHTZCBQWHEXFKDHCPRBAWYIAFVBQRHMXZNCDLQUPNDDRJFEDZNRTNDEHHPJANAMHWZKWVBYZKWN", "ciphertext": "VDIONPERJLBAEYNLJURWDZTOYUSYZZDWVQJIZDHHWFOUOHAIXUPFVRJBSPTGPGSXYOCOGIWOIYZAWTZTLOAWUPFEXERUSIJKHTZCBQWHEXFKDHCPRBAWYIAFVBQRHMXZNCDLQUPNDDRJFEDZNRTNDEHHPJANAMHWZKWVBYZKWN", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0237", "text": "LFUSTXJPHEQQAARJPHFLBQQRRKEBKTXSHGAXJXFAPBQXABPPAMLMXAHJPHTAATUSHDVAQXFALHJQVAPXFAQBWLRSOAXGMKTXJQASRHFAVVHABPPALROVRELVHMKOABBGPLAHGLKFABTPRGAMBKHHJQVHGBKOVXDAVUIQRBTXBR", "ciphertext": "LFUSTXJPHEQQAARJPHFLBQQRRKEBKTXSHGAXJXFAPBQXABPPAMLMXAHJPHTAATUSHDVAQXFALHJQVAPXFAQBWLRSOAXGMKTXJQASRHFAVVHABPPALROVRELVHMKOABBGPLAHGLKFABTPRGAMBKHHJQVHGBKOVXDAVUIQRBTXBR", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014396", "text": "5.2.10 19.5.1 3.3.5 10.3.10 5.4.7 12.5.8 20.3.6 3.4.2 8.4.6 5.5.9 11.2.8 10.5.8 3.6.1 17.2.2 10.4.8 7.3.3 18.2.3 10.4.3 10.3.5 6.4.4 10.2.5 3.6.6 19.2.6 18.6.2 9.1.5 2.6.3 15.1.1 2.1.10 4.3.3 2.4.9 17.3.7 1.2.6 1.6.4 6.4.3 2.3.9 2.3.5 15.5.3 7.6.7 1.4.5 14.1.1 7.2.8 17.1.9 10.4.3 2.1.1 19.2.10 20.6.6 12.6.10 2.1.8 8.4.3 7.2.9 4.2.1 12.6.2 11.3.3 15.3.8 14.5.6 3.2.9 9.3.9 11.4.2 2.1.6 17.4.7 1.4.8 2.4.3 19.2.3 15.5.8 14.2.10 8.5.1 5.3.8 1.5.8 2.4.9 7.2.7 13.3.10 17.2.1 1.6.10 6.3.5 12.3.7 17.1.6 1.2.4 4.2.10 16.2.10 15.3.5 1.1.8 10.4.4 19.6.7 12.3.2 7.5.6 6.1.10 13.1.5 1.3.4 18.1.6 12.3.10 10.5.6 19.5.3 15.4.7 17.1.3 4.6.8 10.2.8 4.5.4 10.2.6 18.2.1 14.4.3 8.6.3 1.2.2 7.1.7 8.6.5 13.3.1 2.1.6 2.5.2 10.4.6 17.5.8 15.3.2 2.3.9", "ciphertext": "5.2.10 19.5.1 3.3.5 10.3.10 5.4.7 12.5.8 20.3.6 3.4.2 8.4.6 5.5.9 11.2.8 10.5.8 3.6.1 17.2.2 10.4.8 7.3.3 18.2.3 10.4.3 10.3.5 6.4.4 10.2.5 3.6.6 19.2.6 18.6.2 9.1.5 2.6.3 15.1.1 2.1.10 4.3.3 2.4.9 17.3.7 1.2.6 1.6.4 6.4.3 2.3.9 2.3.5 15.5.3 7.6.7 1.4.5 14.1.1 7.2.8 17.1.9 10.4.3 2.1.1 19.2.10 20.6.6 12.6.10 2.1.8 8.4.3 7.2.9 4.2.1 12.6.2 11.3.3 15.3.8 14.5.6 3.2.9 9.3.9 11.4.2 2.1.6 17.4.7 1.4.8 2.4.3 19.2.3 15.5.8 14.2.10 8.5.1 5.3.8 1.5.8 2.4.9 7.2.7 13.3.10 17.2.1 1.6.10 6.3.5 12.3.7 17.1.6 1.2.4 4.2.10 16.2.10 15.3.5 1.1.8 10.4.4 19.6.7 12.3.2 7.5.6 6.1.10 13.1.5 1.3.4 18.1.6 12.3.10 10.5.6 19.5.3 15.4.7 17.1.3 4.6.8 10.2.8 4.5.4 10.2.6 18.2.1 14.4.3 8.6.3 1.2.2 7.1.7 8.6.5 13.3.1 2.1.6 2.5.2 10.4.6 17.5.8 15.3.2 2.3.9", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 111, "length": 111, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "beaufort-v2-0374", "text": "HVAEZAUWCMFPTDPAVEENXPPZCNJXZZOPKWDJOMRNNSIDZFNFHJFYVNSTEMEPJNFACYUHSSIZIWZHXOZTBRHSTZOUXNFTDRERPPAFUIEXPSSBIGELCLLERNRNMSXTUHNZVIYSXNYSXGMGVPYXJIENZUQ", "ciphertext": "HVAEZAUWCMFPTDPAVEENXPPZCNJXZZOPKWDJOMRNNSIDZFNFHJFYVNSTEMEPJNFACYUHSSIZIWZHXOZTBRHSTZOUXNFTDRERPPAFUIEXPSSBIGELCLLERNRNMSXTUHNZVIYSXNYSXGMGVPYXJIENZUQ", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ADMIRAL"}, "difficulty": "intermediate", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-096", "text": "ALLTHEWORLDSASTAGEANDALLTHEMANANDWOMENMERELYPLAYERS", "ciphertext": "ALLTHEWORLDSASTAGEANDALLTHEMANANDWOMENMERELYPLAYERS", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-067", "text": "CHBQLFUQXZQEPUT", "ciphertext": "CHBQLFUQXZQEPUT", "plaintext": "ABORT MISSION NOW", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v2-0246", "text": "SSIYXBHRDZIQHMVPXFYPEHKQNYFJGDFWNXRXTASSCULGUCVPNFJXHTHOXQLPNNHTIJMQOCUCQTSLANFFJLVPNMVHCUCKEZDZHBAWILCKURIJHRWSMXSSASNNHTWVUCPEYTZAWFOCDZHBAWILARGODZAVHTHOYAUCVNAIKJLZTOFWITRXDOAUUP", "ciphertext": "SSIYXBHRDZIQHMVPXFYPEHKQNYFJGDFWNXRXTASSCULGUCVPNFJXHTHOXQLPNNHTIJMQOCUCQTSLANFFJLVPNMVHCUCKEZDZHBAWILCKURIJHRWSMXSSASNNHTWVUCPEYTZAWFOCDZHBAWILARGODZAVHTHOYAUCVNAIKJLZTOFWITRXDOAUUP", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0174", "text": "YPMJUCNBSGTGUJSHRXDHIGIUNZTXIKAMOOVIAXRTRAQKYSLUKFNWQJHIXKIDSPLDGTAIC", "ciphertext": "YPMJUCNBSGTGUJSHRXDHIGIUNZTXIKAMOOVIAXRTRAQKYSLUKFNWQJHIXKIDSPLDGTAIC", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012552", "text": "00971 0338 1603 06022 00394 05658 6053 02611 2846 01977 6305 01637 1343 6353 2549 1646 0319 3780 05052 2610 0358 0647 1660 06345 0643 7935 6364 02576 05693 1588 01613 05056 4750 06017 2918 6329 02898 4766 4412 6058 6045 6616 0633 06007 06343 02855 06372 6605 6327 2907 4737 04490 00955 2826 05072 02580 1634 5746 05997 4135 00349 5113 01597 0391 00952 02562 3796 1592 06340 6307 1647 5700 06319 04787 0411 01279 02851 1966 1913 1622 05675 1587 4490 6336 3822 01605 06375 06320 1649 05705 05027 01580 05675 2563 0383 5071 6035", "ciphertext": "00971 0338 1603 06022 00394 05658 6053 02611 2846 01977 6305 01637 1343 6353 2549 1646 0319 3780 05052 2610 0358 0647 1660 06345 0643 7935 6364 02576 05693 1588 01613 05056 4750 06017 2918 6329 02898 4766 4412 6058 6045 6616 0633 06007 06343 02855 06372 6605 6327 2907 4737 04490 00955 2826 05072 02580 1634 5746 05997 4135 00349 5113 01597 0391 00952 02562 3796 1592 06340 6307 1647 5700 06319 04787 0411 01279 02851 1966 1913 1622 05675 1587 4490 6336 3822 01605 06375 06320 1649 05705 05027 01580 05675 2563 0383 5071 6035", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER PERHAPS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 97, "length": 97, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0021632", "text": "6.5.8 13.1.1 12.1.8 18.6.10 10.1.6 18.3.4 10.4.7 17.3.1 13.5.6 14.2.8 8.2.3 7.1.5 19.3.2 10.6.9 14.6.1 16.1.1 1.6.1 7.2.3 7.6.1 18.3.2 1.3.7 12.1.6 17.4.5 13.1.2 12.1.9 7.1.4 1.1.5 17.6.9 5.4.8 19.3.6 1.6.8 5.5.7 19.2.6 15.4.1 3.5.5 2.3.6 14.2.5 11.1.1 12.6.3 15.1.2 17.2.8", "ciphertext": "6.5.8 13.1.1 12.1.8 18.6.10 10.1.6 18.3.4 10.4.7 17.3.1 13.5.6 14.2.8 8.2.3 7.1.5 19.3.2 10.6.9 14.6.1 16.1.1 1.6.1 7.2.3 7.6.1 18.3.2 1.3.7 12.1.6 17.4.5 13.1.2 12.1.9 7.1.4 1.1.5 17.6.9 5.4.8 19.3.6 1.6.8 5.5.7 19.2.6 15.4.1 3.5.5 2.3.6 14.2.5 11.1.1 12.6.3 15.1.2 17.2.8", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0003612", "text": "CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU", "ciphertext": "CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "rail-fence-v3-0535", "text": "THESIEGEBESGNI", "ciphertext": "THESIEGEBESGNI", "plaintext": "THE SIEGE BEGINS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "navajo-code-009", "text": "KLESH SHI-DA BI-SO-DIH CLA-GI-AIH DIBEH-YAZZIE TSAH-AS-ZIH   /   AH-JAD YEH-HES TSAH AH-JAH   /   MOASI A-KHA TSIN-TLITI CLA-GI-AIH DAH-NES-TSA TLO-CHIN TSIN-TLITI TKIN DIBEH DZEH BE", "ciphertext": "KLESH SHI-DA BI-SO-DIH CLA-GI-AIH DIBEH-YAZZIE TSAH-AS-ZIH   /   AH-JAD YEH-HES TSAH AH-JAH   /   MOASI A-KHA TSIN-TLITI CLA-GI-AIH DAH-NES-TSA TLO-CHIN TSIN-TLITI TKIN DIBEH DZEH BE", "plaintext": "SUPPLY LINE COMPROMISED", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 152, "length": 182, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016341", "text": "⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w10⟩ ⟨a11⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w08⟩ ⟨w22⟩ ⟨a01⟩ ⟨w10⟩ ⟨w26⟩ ⟨w08⟩ ⟨a07⟩", "ciphertext": "⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w10⟩ ⟨a11⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w08⟩ ⟨w22⟩ ⟨a01⟩ ⟨w10⟩ ⟨w26⟩ ⟨w08⟩ ⟨a07⟩", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 104, "length": 104, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0902", "text": "PHFEJKUAWDEWBWTLBPEZAN", "ciphertext": "PHFEJKUAWDEWBWTLBPEZAN", "plaintext": "EXTRACTION POINT CHANGED", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0356", "text": "20 11 63 57 12 13 87 77 75 28 27 33 46 29 44 24 39 77 18 65 42 59 63 75 42 20 11 71 38 75 28 64 61 39 49 11 44 21 28 27 11 58 69 77 42 71 33 87 46 21 48 27 63 75 28 87 38 88 77 11 85 13 39 27 28 65 71 68 18 11 57 39 63 42 28 33 16 71 15 75 87 46 42 39 29 44", "ciphertext": "20 11 63 57 12 13 87 77 75 28 27 33 46 29 44 24 39 77 18 65 42 59 63 75 42 20 11 71 38 75 28 64 61 39 49 11 44 21 28 27 11 58 69 77 42 71 33 87 46 21 48 27 63 75 28 87 38 88 77 11 85 13 39 27 28 65 71 68 18 11 57 39 63 42 28 33 16 71 15 75 87 46 42 39 29 44", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 172, "length": 257, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0789", "text": "LBULVUYEBMIFYKTLXEPTKPZJGRGBTDFFFFZPZTHVLRCWZIUYMFZKEGTLPAFGRKPTMSWZGKTVVXVL", "ciphertext": "LBULVUYEBMIFYKTLXEPTKPZJGRGBTDFFFFZPZTHVLRCWZIUYMFZKEGTLPAFGRKPTMSWZGKTVVXVL", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0213", "text": "ICGUBJEEKDAC", "ciphertext": "ICGUBJEEKDAC", "plaintext": "THE DIE IS CAST", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-103", "text": "TIG TYNIR JAYHZ SCM ZLEIM JRBP SHF NDDD JVO WOLD GVT HZNXL", "ciphertext": "TIG TYNIR JAYHZ SCM ZLEIM JRBP SHF NDDD JVO WOLD GVT HZNXL", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "offset", "value": 0}, "difficulty": "beginner", "language": "en", "text_length": 47, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020051", "text": "⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "ciphertext": "⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 155, "length": 155, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "copiale-v2-0052", "text": "R5 R8 V4 R1 H7 A4 N2 R5 K7 Y0 V4 Y6 T4 B5 N3 B1 Y0 K6 K8 D2 C8 Q3 K0 K6 P3 C4 P5 K7 R5 A9 C0 L5 R5 T0 M8 A4 B1 Z1 C7 C8 M8 H7 A1 I8 M2 N7 I4 C1 C5 R8 V4 K3 C2 X0 Q7 A1 S6 T7 N3 C3 Q6 K7 L6 C9 H2 C3 H2 N6 M8 T8 M8 A4", "ciphertext": "R5 R8 V4 R1 H7 A4 N2 R5 K7 Y0 V4 Y6 T4 B5 N3 B1 Y0 K6 K8 D2 C8 Q3 K0 K6 P3 C4 P5 K7 R5 A9 C0 L5 R5 T0 M8 A4 B1 Z1 C7 C8 M8 H7 A1 I8 M2 N7 I4 C1 C5 R8 V4 K3 C2 X0 Q7 A1 S6 T7 N3 C3 Q6 K7 L6 C9 H2 C3 H2 N6 M8 T8 M8 A4", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 215, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0425", "text": "JUIGOVITFPDOBBIGPNUIDGAQYNYMOIXIKMEIVNASVVOMYVEIDGOOQPOHMYSKIFDOYQ", "ciphertext": "JUIGOVITFPDOBBIGPNUIDGAQYNYMOIXIKMEIVNASVVOMYVEIDGOOQPOHMYSKIFDOYQ", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0232", "text": "BZWGYGIZUBAWIJNRRQLYURLAKFBXVAPBVVOOWIZYESYRYQKEOIIDCZAKFHTCRVLJMJQMQIQPLFUTINWNI", "ciphertext": "BZWGYGIZUBAWIJNRRQLYURLAKFBXVAPBVVOOWIZYESYRYQKEOIIDCZAKFHTCRVLJMJQMQIQPLFUTINWNI", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0109", "text": "USIQVUMGOXYIMWZEDPPGCVLPGPDFHDSJTTMNMWKSYLPLRLQWBAXTLGNKBYXWYPAQACREJXQMPKGCRARIFMQXYESSTPZIUPWTLDQZITCROZFDVJTTWRYOOYDJAYEEZASQYCXFAAGIENZWKFAXQNMLJUACXNSWGLXSWDQP", "ciphertext": "USIQVUMGOXYIMWZEDPPGCVLPGPDFHDSJTTMNMWKSYLPLRLQWBAXTLGNKBYXWYPAQACREJXQMPKGCRARIFMQXYESSTPZIUPWTLDQZITCROZFDVJTTWRYOOYDJAYEEZASQYCXFAAGIENZWKFAXQNMLJUACXNSWGLXSWDQP", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0125", "text": "ONKVYXDWCXZXHROOXYSQLRFLKW", "ciphertext": "ONKVYXDWCXZXHROOXYSQLRFLKW", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009966", "text": "EEXNW LUDXH HLHTN LUXEO TAMPI AXGAS UAASO XSONX SLDTX RXSRO PBUE", "ciphertext": "EEXNW LUDXH HLHTN LUXEO TAMPI AXGAS UAASO XSONX SLDTX RXSRO PBUE", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "PALACE"}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "geheimschreiber-118", "text": "MXRDAMZNKTEEBDGJSLRSFNAHQUWQVFLMDEOYWGQPPEGNZWPHGSUDJJLORHWIUEVKCJXGZLXIOIOBPBDGUNVVZXJSUEXGDYDKNDFTDXBEXLXYJSXTXSEOFVANQQQOCFZLDVTFHDUPN", "ciphertext": "MXRDAMZNKTEEBDGJSLRSFNAHQUWQVFLMDEOYWGQPPEGNZWPHGSUDJJLORHWIUEVKCJXGZLXIOIOBPBDGUNVVZXJSUEXGDYDKNDFTDXBEXLXYJSXTXSEOFVANQQQOCFZLDVTFHDUPN", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016669", "text": "GRONS FELDU SESAZ IGITX EQUEX CEAST HEREP EATIZ GKEYT HEENZ GMAMX CHINE USEDR OTORS TOCRZ ATEAZ OLYAL PHABE TICCI PHERO PENSX URCET OOLSX LLOWI NDEPZ NDENT VERIF ICATX ONTHE BESTL ESSON SSHOW WHERX THEMZ THODF AILSC AREFU LLYAB", "ciphertext": "GRONS FELDU SESAZ IGITX EQUEX CEAST HEREP EATIZ GKEYT HEENZ GMAMX CHINE USEDR OTORS TOCRZ ATEAZ OLYAL PHABE TICCI PHERO PENSX URCET OOLSX LLOWI NDEPZ NDENT VERIF ICATX ONTHE BESTL ESSON SSHOW WHERX THEMZ THODF AILSC AREFU LLYAB", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE BEST LESSONS SHOW WHERE THE METHOD FAILS CAREFULLY", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 190, "length": 190, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "wheatstone-v3-0164", "text": "NELRCAMBTEAIFCETORFCLDAFKTMTEAVLIIAYMBDALTERMDATEASFXEUKDRADORLVANLVLIFARS", "ciphertext": "NELRCAMBTEAIFCETORFCLDAFKTMTEAVLIIAYMBDALTERMDATEASFXEUKDRADORLVANLVLIFARS", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0253", "text": "DLBNEBIUIKMLAHCORLBELUHIUBTLEFHOBTZBSYLKFDIOCMXRAHEFTLEFTZBTXFOUPTMBRLOHUPMY", "ciphertext": "DLBNEBIUIKMLAHCORLBELUHIUBTLEFHOBTZBSYLKFDIOCMXRAHEFTLEFTZBTXFOUPTMBRLOHUPMY", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0260", "text": "UFAJHXFTWBCURNBCFGZZCPBJPJRTZHKUQSSVJUJIPZOCFJWAVFRMRSHTUBAQKOQSMAWTWFRPR", "ciphertext": "UFAJHXFTWBCURNBCFGZZCPBJPJRTZHKUQSSVJUJIPZOCFJWAVFRMRSHTUBAQKOQSMAWTWFRPR", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ITALY"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0239", "text": "90 82 63 81 15 30 76 27 63 66 91 90 74 18 89 91 90 75 55 16 91 90 88 76 47 73 63 91 90 80 76 18 75 63 91 90 12 79 45 91 90 15 44 76 20 63 91 90 54 53 91 90 81 85 91 90 88 76 47 73 63 91 90 45 58 76 91 90 67 18 55 91 90 84 40 91 90 47 75 15 72 18 77 30 89 91 90 69 63 11 79 66 91 90 45 44 76 91 90 81 63 46 15 91 90 82 47 77 76 91 90 45 58 18 15 91 90 53 23 63 76 80 40 91 90 61 20 25 27 91 90 45 44 63 91 90 66 85 55 15 58 91 90 67 54 30 77 91 90 12 20 84 81 11 91 90 45 25 91 90 85 72 55 91 90 76 47 20 53 91 90 15 44 63 91 90 73 30 18 40 58 91 90 25 35 91 90 55 76 53 85 79 66 41 54 81 82 91 90 47 20 74 40 91 90 25 72 55 91 90 69 20 63 45 44 55 76 66 91 90 18 20 63 91 90 47 77 55 76 18 33 16 91 90 84 81 91 90 15 58 63 91 124", "ciphertext": "90 82 63 81 15 30 76 27 63 66 91 90 74 18 89 91 90 75 55 16 91 90 88 76 47 73 63 91 90 80 76 18 75 63 91 90 12 79 45 91 90 15 44 76 20 63 91 90 54 53 91 90 81 85 91 90 88 76 47 73 63 91 90 45 58 76 91 90 67 18 55 91 90 84 40 91 90 47 75 15 72 18 77 30 89 91 90 69 63 11 79 66 91 90 45 44 76 91 90 81 63 46 15 91 90 82 47 77 76 91 90 45 58 18 15 91 90 53 23 63 76 80 40 91 90 61 20 25 27 91 90 45 44 63 91 90 66 85 55 15 58 91 90 67 54 30 77 91 90 12 20 84 81 11 91 90 45 25 91 90 85 72 55 91 90 76 47 20 53 91 90 15 44 63 91 90 73 30 18 40 58 91 90 25 35 91 90 55 76 53 85 79 66 41 54 81 82 91 90 47 20 74 40 91 90 25 72 55 91 90 69 20 63 45 44 55 76 66 91 90 18 20 63 91 90 47 77 55 76 18 33 16 91 90 84 81 91 90 15 58 63 91 124", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 487, "length": 729, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v3-0037", "text": "44 23 15 44 15 31 15 43 13 34 35 15 42 15 51 15 11 31 43", "ciphertext": "44 23 15 44 15 31 15 43 13 34 35 15 42 15 51 15 11 31 43", "plaintext": "THE TELESCOPE REVEALS", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0160", "text": "100 107 168 179 135 178 114 142 167 177 138 176 156 134 129 160 114 138 168 108 117 139 128 152 119 112 128 129 177 117 175 128 129 177 138 176 156 134 138 179 176 114 138 170 168 108 117 139 134 180 159 131 102 101 142 128 166 110 119", "ciphertext": "100 107 168 179 135 178 114 142 167 177 138 176 156 134 129 160 114 138 168 108 117 139 128 152 119 112 128 129 177 117 175 128 129 177 138 176 156 134 138 179 176 114 138 170 168 108 117 139 134 180 159 131 102 101 142 128 166 110 119", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 177, "length": 235, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014308", "text": "ABPCWQEEPWAYPWGBBBERGWBGSBKILJXJMGXIRTCBKRCOHIQHOHTJMSCBASGCBPGATAUZYUZHXGBLSJVEEOIDMCWLCGLWIZRPPDFHALNTXYQVVEEYYWDIU", "ciphertext": "ABPCWQEEPWAYPWGBBBERGWBGSBKILJXJMGXIRTCBKRCOHIQHOHTJMSCBASGCBPGATAUZYUZHXGBLSJVEEOIDMCWLCGLWIZRPPDFHALNTXYQVVEEYYWDIU", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 117, "length": 117, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0133", "text": "AGAVFXFGDDFVADDAXDAVFFDDAFGGAGDXAGXAXDFF", "ciphertext": "AGAVFXFGDDFVADDAXDAVFFDDAFGGAGDXAGXAXDFF", "plaintext": "THE REDCOATS ARE COMING", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 40, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0105", "text": "DRILUKEJIBCZYWBLAKKAXKGYJEJEATOQDAHLUETNAJNIGUZWDOJHILAGHAVJBIUOTDUJFNIJFUHVTAHWQUHI", "ciphertext": "DRILUKEJIBCZYWBLAKKAXKGYJEJEATOQDAHLUETNAJNIGUZWDOJHILAGHAVJBIUOTDUJFNIJFUHVTAHWQUHI", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v2-0002", "text": "998 802 800 817 819 807 800 806 804 999 998 812 820 818 819 999 112 998 803 804 818 819 817 814 824 804 803 999", "ciphertext": "998 802 800 817 819 807 800 806 804 999 998 812 820 818 819 999 112 998 803 804 818 819 817 814 824 804 803 999", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 111, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0710", "text": "BMNSJSTQQXCPTQTSOCWZSBNLEFEKQYIFWQNUFFVYBUGVFSFELYJAGQXTVDMJDUVRJRVCOUSPVHHUJQQ", "ciphertext": "BMNSJSTQQXCPTQTSOCWZSBNLEFEKQYIFWQNUFFVYBUGVFSFELYJAGQXTVDMJDUVRJRVCOUSPVHHUJQQ", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11235"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-083", "text": "BTQMCXJFOLVOB", "ciphertext": "BTQMCXJFOLVOB", "plaintext": "THE KING IS DEAD", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021062", "text": "K r· L ⌐· ┌· Γ· L Γ ┌ ⌐ ─ K L X K X· X L X K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L K ┘· L X K Γ· ┌ ⌐ K L ┐ L ⌒· └ L ─ ¬· K r· r· Γ· └ └ r Γ· ┐· r· L ┌· X· X L X └ Γ· ─ L ⌐ ┌· ⌐ └ ¬· L ¬ ┌· ⌐ K ┘· L ─ r ┌· ⌒· ┐· K ¬ └ ┘· r ┐ X ┘· ⌐· └ L K K L ┌· X K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X ⌐ ┌ ┘· Γ L └ r ⌐ ─ r └ ⌐ X X Γ· ⌐· ⌒· ┐· ⌐ K K L ┌· ─ X ¬ X· K Γ· K r ⌐ ─ ⌐ └ X ┘· ¬ L ⌒ ┌· ┘· ─ ¬·", "ciphertext": "K r· L ⌐· ┌· Γ· L Γ ┌ ⌐ ─ K L X K X· X L X K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L K ┘· L X K Γ· ┌ ⌐ K L ┐ L ⌒· └ L ─ ¬· K r· r· Γ· └ └ r Γ· ┐· r· L ┌· X· X L X └ Γ· ─ L ⌐ ┌· ⌐ └ ¬· L ¬ ┌· ⌐ K ┘· L ─ r ┌· ⌒· ┐· K ¬ └ ┘· r ┐ X ┘· ⌐· └ L K K L ┌· X K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X ⌐ ┌ ┘· Γ L └ r ⌐ ─ r └ ⌐ X X Γ· ⌐· ⌒· ┐· ⌐ K K L ┌· ─ X ¬ X· K Γ· K r ⌐ ─ ⌐ └ X ┘· ¬ L ⌒ ┌· ┘· ─ ¬·", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "vernam-045", "text": "CAWBDSDFWXZFCPLTBQBMTCLWDCMORCDSUGGTOAWQSJUCJQTVRTICOLFAP", "ciphertext": "CAWBDSDFWXZFCPLTBQBMTCLWDCMORCDSUGGTOAWQSJUCJQTVRTICOLFAP", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "XMCKLQPOS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-106", "text": "XFAFDDDADAFXGAGGDAXAFXDAGDDDFAAAAGADFXFAAXXFXXXAGXGDGDADXAFGFFFGXDAGDGGAXXGXDADADDGDAAGXGDDGXAAAXGXDGAAAAFFDGFGFGAGAFGFG", "ciphertext": "XFAFDDDADAFXGAGGDAXAFXDAGDDDFAAAAGADFXFAAXXFXXXAGXGDGDADXAFGFFFGXDAGDGGAXXGXDADADDGDAAGXGDDGXAAAXGXDGAAAAFFDGFGFGAGAFGFG", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 120, "length": 120, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trithemius-044", "text": "EMGPISZHZH WJ PROG MRLLII PEC FANG LW FLVWC KYP GVT SIAFCIWI GR CMQVI", "ciphertext": "EMGPISZHZH WJ PROG MRLLII PEC FANG LW FLVWC KYP GVT SIAFCIWI GR CMQVI", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 57, "length": 69, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v2-0462", "text": "GEUZFNVKN ZYMJUOM ZYXVUT YX R VREKNAUOX MJYEK REV ZYXVUT ZYMJUOM PUOARKN YX OFMYTRMNFI ZUAMJFNXX", "ciphertext": "GEUZFNVKN ZYMJUOM ZYXVUT YX R VREKNAUOX MJYEK REV ZYXVUT ZYMJUOM PUOARKN YX OFMYTRMNFI ZUAMJFNXX", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0244", "text": "HMQCWMPTMDXDDQMZHTXQSSUCNAHILERXLMWIEWDLSSMMCKHOGGMCSFMQSSSAPEMQAVMRMXSSASAVWXOCSSGRWXCQCAVGIWIQOCGRFNZHAVKTAWSAUCFWYOMZDOLUTOMXCCPQWMYV", "ciphertext": "HMQCWMPTMDXDDQMZHTXQSSUCNAHILERXLMWIEWDLSSMMCKHOGGMCSFMQSSSAPEMQAVMRMXSSASAVWXOCSSGRWXCQCAVGIWIQOCGRFNZHAVKTAWSAUCFWYOMZDOLUTOMXCCPQWMYV", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0315", "text": "IAKEVAKDPAKEAKLMUAPBYKJQYDUAPBTMLSHQPTYLPPAKGEARPAKGMLQWRPBJSLMQALSEYYPTYBLPBTEYDUVNQGYGBLPB", "ciphertext": "IAKEVAKDPAKEAKLMUAPBYKJQYDUAPBTMLSHQPTYLPPAKGEARPAKGMLQWRPBJSLMQALSEYYPTYBLPBTEYDUVNQGYGBLPB", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 92, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0277", "text": "SCDJWBPHLXWXQVETXSBOAAOCQKBHOLYAZCHFWOGFOXTQJMFZKKXVJKMYNBNINMQAPBURFRUDVYWCHIGQE", "ciphertext": "SCDJWBPHLXWXQVETXSBOAAOCQKBHOLYAZCHFWOGFOXTQJMFZKKXVJKMYNBNINMQAPBURFRUDVYWCHIGQE", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0303", "text": "UQZPQRVAPEVNXTPHVLCVIWOKIVPXDIHVQMVHLQPIFQQGVHAFAXDVZMMVMKLIGQKNSUUQPISZBAMGMKB", "ciphertext": "UQZPQRVAPEVNXTPHVLCVIWOKIVPXDIHVQMVHLQPIFQQGVHAFAXDVZMMVMKLIGQKNSUUQPISZBAMGMKB", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009871", "text": "ORYXT LASYE XRGOT IIEED HDQRT ORYNN ERRES MRFEB SYTES OEOSO RTREH HNPRE UTTTE NIBTL FENIR VXEWS NAEXN SNNYO ALODY EUOKV ERHMM CTMTE EMPLN DYNEE CCEBK E", "ciphertext": "ORYXT LASYE XRGOT IIEED HDQRT ORYNN ERRES MRFEB SYTES OEOSO RTREH HNPRE UTTTE NIBTL FENIR VXEWS NAEXN SNNYO ALODY EUOKV ERHMM CTMTE EMPLN DYNEE CCEBK E", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0373", "text": "TIASEQUPNYVTIPPTJUGTEYUTRYQYYUUGAKIAPBYAYPGIYAEPSGFARVMEWLYPYTDYBBLWBGHPGABYGTEAGJPTYGGKAAUKJPMMGAEQQBEYUYTRAKGNKDSEYALSEQWAKGTGYKFAKGLWBMTMAKGIAKEWLYPNYASDPAQWYBJPGTKYGBFYO", "ciphertext": "TIASEQUPNYVTIPPTJUGTEYUTRYQYYUUGAKIAPBYAYPGIYAEPSGFARVMEWLYPYTDYBBLWBGHPGABYGTEAGJPTYGGKAAUKJPMMGAEQQBEYUYTRAKGNKDSEYALSEQWAKGTGYKFAKGLWBMTMAKGIAKEWLYPNYASDPAQWYBJPGTKYGBFYO", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 173, "length": 173, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0223", "text": "GAFDAFGXADGGDDXXFAFAFAGAGGXFFFDFGXADXGAAFAAFGAGADGFGAGXGAFDAGDDAXGXADGGAGAGGXAGADGFDGGAFDAAFDGXADGGAFGGAXFAFAFAGAXXAGXFFFDFFFDADADDAAAFAAFDGXFADGADAFAFDAAXDFAFAAGXFFFDAADGFDADAAXDADGAFAAFDXFGGAAXADGGDXFAFAAXFAXFFFDADADXAFDADAAXFAAAGXFDADAAFAFAAFFGXDGADAFAXAFAAGAFDAAAFAXAX", "ciphertext": "GAFDAFGXADGGDDXXFAFAFAGAGGXFFFDFGXADXGAAFAAFGAGADGFGAGXGAFDAGDDAXGXADGGAGAGGXAGADGFDGGAFDAAFDGXADGGAFGGAXFAFAFAGAXXAGXFFFDFFFDADADDAAAFAAFDGXFADGADAFAFDAAXDFAFAAGXFFFDAADGFDADAAXDADGAFAAFDXFGGAAXADGGDXFAFAAXFAXFFFDADADXAFDADAAXFAAAGXFDADAAFAFAAFFGXDGADAFAXAFAAGAFDAAAFAXAX", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 272, "length": 272, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0071", "text": "CUGTVJTCDIOBPGMLCHXFLULYKOFVGCORWTUDLYIOQUCLDIVOVWLWPYCYOXGXCRX", "ciphertext": "CUGTVJTCDIOBPGMLCHXFLULYKOFVGCORWTUDLYIOQUCLDIVOVWLWPYCYOXGXCRX", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0167", "text": "01 12 12 20 08 01 20 07 12 09 20 20 05 18 19 09 19 14 15 20 07 15 12 04 15 06 20 05 14 08 01 22 05 25 15 21 08 05 01 18 04 20 08 01 20 20 15 12 04", "ciphertext": "01 12 12 20 08 01 20 07 12 09 20 20 05 18 19 09 19 14 15 20 07 15 12 04 15 06 20 05 14 08 01 22 05 25 15 21 08 05 01 18 04 20 08 01 20 20 15 12 04", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 98, "length": 146, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-185", "text": "GQOTUYQXINXXAOG", "ciphertext": "GQOTUYQXINXXAOG", "plaintext": "THE COAST IS CLEAR", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-0951", "text": "ZVDILIMYINMUGGRPUHIXYCGXLZECTXPRUXPPLXIRDYYLXIRKWZDFVDTLJIRYRBLEDPPLFCZNMSIX", "ciphertext": "ZVDILIMYINMUGGRPUHIXYCGXLZECTXPRUXPPLXIRDYYLXIRKWZDFVDTLJIRYRBLEDPPLFCZNMSIX", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019253", "text": "17.4.3 9.1.10 6.3.8 8.1.4 13.3.6 18.6.2 16.5.7 20.6.6 6.1.9 3.3.4 19.1.8 16.1.1 13.4.5 20.5.7 17.2.10 9.5.1 13.5.5 15.6.10 15.6.3 11.5.8 9.5.6 19.2.7 5.1.3 11.1.10 13.3.5 18.2.5 16.1.7 17.1.2 1.2.5 6.6.3 14.2.4 15.5.3 10.5.1 10.1.3 14.4.1 12.1.6 5.3.6 20.4.5 4.4.2 13.4.10 3.6.2 14.6.10 5.5.6 1.4.5 20.5.1 10.2.8 3.2.1 16.4.4 14.6.1 19.6.6 1.1.8 15.3.10 7.1.2 8.2.6 11.2.1 19.5.7 5.1.4 9.1.5 19.5.4 1.5.10 7.5.10 10.6.6 2.1.1 15.3.1 18.1.7 18.3.4 10.3.5 17.1.8 18.2.8 5.2.7 16.4.1 11.6.4 9.4.2 16.3.7 9.3.10 4.3.1 1.1.5 10.6.8 19.5.10", "ciphertext": "17.4.3 9.1.10 6.3.8 8.1.4 13.3.6 18.6.2 16.5.7 20.6.6 6.1.9 3.3.4 19.1.8 16.1.1 13.4.5 20.5.7 17.2.10 9.5.1 13.5.5 15.6.10 15.6.3 11.5.8 9.5.6 19.2.7 5.1.3 11.1.10 13.3.5 18.2.5 16.1.7 17.1.2 1.2.5 6.6.3 14.2.4 15.5.3 10.5.1 10.1.3 14.4.1 12.1.6 5.3.6 20.4.5 4.4.2 13.4.10 3.6.2 14.6.10 5.5.6 1.4.5 20.5.1 10.2.8 3.2.1 16.4.4 14.6.1 19.6.6 1.1.8 15.3.10 7.1.2 8.2.6 11.2.1 19.5.7 5.1.4 9.1.5 19.5.4 1.5.10 7.5.10 10.6.6 2.1.1 15.3.1 18.1.7 18.3.4 10.3.5 17.1.8 18.2.8 5.2.7 16.4.1 11.6.4 9.4.2 16.3.7 9.3.10 4.3.1 1.1.5 10.6.8 19.5.10", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "beaufort-v2-0678", "text": "RDNHENSKJAOWYISRIUAYOKYYEFOLSYKGGHDFKJPLTWMAYTZYJSZALPDMKGUUNOFISRIU", "ciphertext": "RDNHENSKJAOWYISRIUAYOKYYEFOLSYKGGHDFKJPLTWMAYTZYJSZALPDMKGUUNOFISRIU", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROYAL"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021920", "text": "Z HGILMT XOZRN MVVWH HGILMT VERWVMXV ZODZBH", "ciphertext": "Z HGILMT XOZRN MVVWH HGILMT VERWVMXV ZODZBH", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE ALWAYS", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "wheatstone-063", "text": "TBEECAJEBCSJCLHEH", "ciphertext": "TBEECAJEBCSJCLHEH", "plaintext": "THE EAGLE HAS LANDED", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "navajo-code-v2-0020", "text": "DZEH AL-NA-AS-DZOH THAN-ZIE DAH-NES-TSA BE-LA-SANA TLA-GIN A-WOH YEH-HES TLO-CHIN A-CHIN   /   CLA-GI-AIH A-KHA TKIN A-CHIN A-WOH   /   MOASI LIN BE-LA-SANA TSAH AH-TAD DZEH BE", "ciphertext": "DZEH AL-NA-AS-DZOH THAN-ZIE DAH-NES-TSA BE-LA-SANA TLA-GIN A-WOH YEH-HES TLO-CHIN A-CHIN   /   CLA-GI-AIH A-KHA TKIN A-CHIN A-WOH   /   MOASI LIN BE-LA-SANA TSAH AH-TAD DZEH BE", "plaintext": "EXTRACTION POINT CHANGED", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 145, "length": 176, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012463", "text": "VJFUP IBZOV EWYLZ IEEXM CSHPP LONWZ UCWTW LIXSE SIOSM IGVQE WNUIK GRNFK PRRIE ZGTHP WJTHT QECBC SJSRE QYXZL DHHOM ESWMY XRBXM BPHLG LIZOB UQBSP JGCLV MPWXU UHJMO LLSOW QLLVO ULINE UTUAW ISIVM UKT", "ciphertext": "VJFUP IBZOV EWYLZ IEEXM CSHPP LONWZ UCWTW LIXSE SIOSM IGVQE WNUIK GRNFK PRRIE ZGTHP WJTHT QECBC SJSRE QYXZL DHHOM ESWMY XRBXM BPHLG LIZOB UQBSP JGCLV MPWXU UHJMO LLSOW QLLVO ULINE UTUAW ISIVM UKT", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 163, "length": 163, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "argenti-v3-0090", "text": "14 41 22 62 66 82 73 43 69 57 59 36 16 21 57 34 32 78 44 41 65 35 75 14 43 16 73 71 32 25 53 72 44 66 65 51 75 72 30 41 57 44 43 87 24 51 13 14 66 32 30 75 65 71 13 39 82 15 16 21 44 32 65 51 88 82 73 41 57 30 22 81 56 88 71 14 22 69", "ciphertext": "14 41 22 62 66 82 73 43 69 57 59 36 16 21 57 34 32 78 44 41 65 35 75 14 43 16 73 71 32 25 53 72 44 66 65 51 75 72 30 41 57 44 43 87 24 51 13 14 66 32 30 75 65 71 13 39 82 15 16 21 44 32 65 51 88 82 73 41 57 30 22 81 56 88 71 14 22 69", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 156, "length": 233, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014098", "text": "K r· L ┘· ─ L K Γ· ┌ L ┐· ⌐ Γ Γ· X K r· L ┘· ┌· L K Γ· r ⌐ └ └ ⌒· X· ─ ¬ ┌· L ⌐ ┐ ⌐ ¬ └ L Γ· ⌐· X· X L Γ r ┘· ┌· ┌· L r K └ ⌒· ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X ¬ L ⌐ X· ⌐· ┘· ┌· K Γ· X K r· L ┌· L r Γ· ┐· ┌· ┘· r ⌐ └ ┘· ⌐· K· Γ· ¬· L ─ L ┌· L ⌐ ─ Γ Γ L r ┌· ⌒· ┐· K X Γ· K X L └ ⌐·", "ciphertext": "K r· L ┘· ─ L K Γ· ┌ L ┐· ⌐ Γ Γ· X K r· L ┘· ┌· L K Γ· r ⌐ └ └ ⌒· X· ─ ¬ ┌· L ⌐ ┐ ⌐ ¬ └ L Γ· ⌐· X· X L Γ r ┘· ┌· ┌· L r K └ ⌒· ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X ¬ L ⌐ X· ⌐· ┘· ┌· K Γ· X K r· L ┌· L r Γ· ┐· ┌· ┘· r ⌐ └ ┘· ⌐· K· Γ· ¬· L ─ L ┌· L ⌐ ─ Γ Γ L r ┌· ⌒· ┐· K X Γ· K X L └ ⌐·", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 61, "length": 61, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0017611", "text": ".... ....  .. ...  . .....  . ..  . .....  .... ...  .... ....  ... .  . .....  .... ...  .... ...  ... ....  ... ...  .... ...  .... ...  .. ...  ... ....  ..... ..  ..... ..  .. ...  . .....  .... ..  . .....  .... ....  .. ...  . .....  ... ..  . .....  .... ....  .. ...  ... ....  . ....  .. .  . .  .. ....  ... .  .... ...  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  ... .....  . .....  .... ..  .. ...  . .  ... .....  .... ...", "ciphertext": ".... ....  .. ...  . .....  . ..  . .....  .... ...  .... ....  ... .  . .....  .... ...  .... ...  ... ....  ... ...  .... ...  .... ...  .. ...  ... ....  ..... ..  ..... ..  .. ...  . .....  .... ..  . .....  .... ....  .. ...  . .....  ... ..  . .....  .... ....  .. ...  ... ....  . ....  .. .  . .  .. ....  ... .  .... ...  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  .... ..  .... ..  . .  ... ...  .. ..  . .....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ...  ..... ..  .. ....  .... ....  .. ...  ... ....  .... .....  .... ....  .... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  ... .....  . .....  .... ..  .. ...  . .  ... .....  .... ...", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION PERHAPS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0449", "text": "THEDJEISCAST", "ciphertext": "THEDJEISCAST", "plaintext": "THE DIE IS CAST", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0153", "text": "ETRUXTTZRKXDNKOQIBEJLBZOZJWIVDKHMTTAJMKOFZCBSMGMRAYZIBOHUCQABKSTVKYKZNL", "ciphertext": "ETRUXTTZRKXDNKOQIBEJLBZOZJWIVDKHMTTAJMKOFZCBSMGMRAYZIBOHUCQABKSTVKYKZNL", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0114", "text": "LDULRAOSOLQUIVIHALLZPEQKCOCEMHUGPOOLFFICOBIGZNFTHESUGPNPQNNGHTHARACFIZLUNMCOTYOULQPHALLEHQEIMLKHELIBLUATEOKLOLVDONSTMBSEIOMGMUUGEUNIULGQRLULUMDTOTQKCA", "ciphertext": "LDULRAOSOLQUIVIHALLZPEQKCOCEMHUGPOOLFFICOBIGZNFTHESUGPNPQNNGHTHARACFIZLUNMCOTYOULQPHALLEHQEIMLKHELIBLUATEOKLOLVDONSTMBSEIOMGMUUGEUNIULGQRLULUMDTOTQKCA", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0497", "text": "OALLPALHFPMTHTPNIHZZUEGASBBTMEPSTBEBLTFXPAIRGAVGWADVAMKOGQRHWSNQWAVGWADVPSVEKDALQRTFVZZVPQQQLXQPHZDAWHEZYCWHAVVTKRPKXWLVVVRPPTBMRGVTPNITNNLJQLAHSXTIHQDMQXAVRWHFVZZELTBLKWGTVXL", "ciphertext": "OALLPALHFPMTHTPNIHZZUEGASBBTMEPSTBEBLTFXPAIRGAVGWADVAMKOGQRHWSNQWAVGWADVPSVEKDALQRTFVZZVPQQQLXQPHZDAWHEZYCWHAVVTKRPKXWLVVVRPPTBMRGVTPNITNNLJQLAHSXTIHQDMQXAVRWHFVZZELTBLKWGTVXL", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0188", "text": "GWN IRAK ZD LV DWNUWNAK Z DWBII ORG PBOG WN LBFNGW LN IZN KRPO ZO TANNO UBDGJAND EV DGZII PBGNAD", "ciphertext": "GWN IRAK ZD LV DWNUWNAK Z DWBII ORG PBOG WN LBFNGW LN IZN KRPO ZO TANNO UBDGJAND EV DGZII PBGNAD", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 1}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-052", "text": "100 164 152 171 110 168 100 138 100 110 182 178 164 152 182 108 113 151 113 109 164 152 182 108 113 182 178 182 155 135 110 140 113 151 113 112 169 165 150 110 139 168 127", "ciphertext": "100 164 152 171 110 168 100 138 100 110 182 178 164 152 182 108 113 151 113 109 164 152 182 108 113 182 178 182 155 135 110 140 113 151 113 112 169 165 150 110 139 168 127", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LOUIS"}, "difficulty": "expert", "language": "en", "text_length": 129, "length": 171, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v3-0182", "text": "OKPXFCJXFDLHUYNDBNBGVTCTYYKFGDZKYLUZZOVCKBQZPGPNTPJWXTQDBWWRHDIKKBSEDXMTNEJXMBNPXV", "ciphertext": "OKPXFCJXFDLHUYNDBNBGVTCTYYKFGDZKYLUZZOVCKBQZPGPNTPJWXTQDBWWRHDIKKBSEDXMTNEJXMBNPXV", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0258", "text": "75 20 11 58 63 33 65 39 33 59 28 64 57", "ciphertext": "75 20 11 58 63 33 65 39 33 59 28 64 57", "plaintext": "THE PASS IS HELD", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0065", "text": "UIFCBUUMFPGHFUUZTCVSHMBTUFEUISFFEBZTBOEDPTUPWFSGJGUZUIPVTBOEDBTVBMUJFTUPUBM", "ciphertext": "UIFCBUUMFPGHFUUZTCVSHMBTUFEUISFFEBZTBOEDPTUPWFSGJGUZUIPVTBOEDBTVBMUJFTUPUBM", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0113", "text": "KUJOHUNFFOQEVJCVNEDTVJDKUBIDVLAXOPUCULPVWOKUBIDXPDTOOJLPTVJOBBCDHVNHDWDBJOPUJFAXKTTLFSLBOLEUDKSDCTFNNOPUJMTFSLESTLCFPTDFFJQNMSOJDOJPXPDVJCDOLPFNADJDLMSQFLLJKTTFOLMSOJHDJFSLCUJBCUBCDJDQLIOFFSLDCSUCFL", "ciphertext": "KUJOHUNFFOQEVJCVNEDTVJDKUBIDVLAXOPUCULPVWOKUBIDXPDTOOJLPTVJOBBCDHVNHDWDBJOPUJFAXKTTLFSLBOLEUDKSDCTFNNOPUJMTFSLESTLCFPTDFFJQNMSOJDOJPXPDVJCDOLPFNADJDLMSQFLLJKTTFOLMSOJHDJFSLCUJBCUBCDJDQLIOFFSLDCSUCFL", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 198, "length": 198, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0231", "text": "LFUTUIPWUHLKRTADPRJQRDPXFQHJPABPWMASHLADQAPVPHJQBTUKBBPALHTPPSATQBKKLFUALRLQBBTWMMLMBREBKFXFAQA", "ciphertext": "LFUTUIPWUHLKRTADPRJQRDPXFQHJPABPWMASHLADQAPVPHJQBTUKBBPALHTPPSATQBKKLFUALRLQBBTWMMLMBREBKFXFAQA", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 95, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-037", "text": "HLDWDIGXRSNSOEBIYGDGFGGKPQKRZBTWWNHVNHTZJT", "ciphertext": "HLDWDIGXRSNSOEBIYGDGFGGKPQKRZBTWWNHVNHTZJT", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "PURPLE"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v3-0052", "text": "Q8 C3 V4 C3 G6 R5 C1 R5 R1 V4 G6 O6 L5 P6 R7 B1 C3 H2 N6 B8 G6 R5 C1 X0 Q8 M2 Q3 B3 L0 A9 S7 O1 Q8 A4 R5 O8 P3 C0 U4 P5 O6 O2 C4 P5 T0 M2 A3 O0 B2 K7 B8 C8 T2 A4 T9 K0 N2 U4 N3 R8 I1 M6 O2 J9 I3 K7 A3 R5 M8 C2 J9 R5 R8", "ciphertext": "Q8 C3 V4 C3 G6 R5 C1 R5 R1 V4 G6 O6 L5 P6 R7 B1 C3 H2 N6 B8 G6 R5 C1 X0 Q8 M2 Q3 B3 L0 A9 S7 O1 Q8 A4 R5 O8 P3 C0 U4 P5 O6 O2 C4 P5 T0 M2 A3 O0 B2 K7 B8 C8 T2 A4 T9 K0 N2 U4 N3 R8 I1 M6 O2 J9 I3 K7 A3 R5 M8 C2 J9 R5 R8", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 146, "length": 218, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0064", "text": "GAHVCLOVSRIDSGWHAXBYGGEKZMXFZEUDSORFWOLZJAYLCZPTTPBAAWVOMACCIYSAHMBHDDSJPSG", "ciphertext": "GAHVCLOVSRIDSGWHAXBYGGEKZMXFZEUDSORFWOLZJAYLCZPTTPBAAWVOMACCIYSAHMBHDDSJPSG", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013343", "text": "19.6.6 20.3.2 5.5.7 9.5.6 10.5.6 20.4.2 8.4.2 14.6.5 17.4.4 19.4.10 2.2.9 12.1.2 1.2.10 18.6.6 12.6.2 17.6.8 13.4.7 15.2.7 15.1.3 19.2.3 16.4.6 1.5.3 12.3.9 11.4.2 1.5.4 17.2.8 20.4.9 13.5.8 4.4.6 5.6.7 12.2.1 14.4.7 16.3.7 19.1.8 3.3.8 20.3.9 4.3.2 20.2.2 6.2.5 17.5.2 17.4.5", "ciphertext": "19.6.6 20.3.2 5.5.7 9.5.6 10.5.6 20.4.2 8.4.2 14.6.5 17.4.4 19.4.10 2.2.9 12.1.2 1.2.10 18.6.6 12.6.2 17.6.8 13.4.7 15.2.7 15.1.3 19.2.3 16.4.6 1.5.3 12.3.9 11.4.2 1.5.4 17.2.8 20.4.9 13.5.8 4.4.6 5.6.7 12.2.1 14.4.7 16.3.7 19.1.8 3.3.8 20.3.9 4.3.2 20.2.2 6.2.5 17.5.2 17.4.5", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "pigpen-v2-0061", "text": "⌐ ╲ ┴• ╳• ┬ ⌐ ╳ ▽ ┤• ╱ ¬ ⌐ ┼• ├ ┤• ┤ ┤• ┐• ▽ ┤• ╱ ┐• ¬ ┤• ╱ ┼• ╳ ┐• ▽ ┼• ┤• ╳ ╳• ┬ ⌐ ╳ ▽ ┤• ╱ ┐• ¬ ┤• ╱ ┼• ╳ ┐• ▽ ¬ ⌐ ┼• ├ ┤• ┤ ┤• ┐• ▽ ┤• ╱ ╳ ┤• ├ ⌐ ▽ ⌐ ┼• ├ ⌐ ¬• ╳• ⌐ ▽ ╲", "ciphertext": "⌐ ╲ ┴• ╳• ┬ ⌐ ╳ ▽ ┤• ╱ ¬ ⌐ ┼• ├ ┤• ┤ ┤• ┐• ▽ ┤• ╱ ┐• ¬ ┤• ╱ ┼• ╳ ┐• ▽ ┼• ┤• ╳ ╳• ┬ ⌐ ╳ ▽ ┤• ╱ ┐• ¬ ┤• ╱ ┼• ╳ ┐• ▽ ¬ ⌐ ┼• ├ ┤• ┤ ┤• ┐• ▽ ┤• ╱ ╳ ┤• ├ ⌐ ▽ ⌐ ┼• ├ ⌐ ¬• ╳• ⌐ ▽ ╲", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 101, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0273", "text": "HYVOCOOTESGYXOOYLPHMMTCEORYOYYLVMXTRIRFTGOMGSLYQXOSNPGVORFTMPMTINOCTGOMYCTO", "ciphertext": "HYVOCOOTESGYXOOYLPHMMTCEORYOYYLVMXTRIRFTGOMGSLYQXOSNPGVORFTMPMTINOCTGOMYCTO", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0121", "text": "YFICSURERSINEDHERE", "ciphertext": "YFICSURERSINEDHERE", "plaintext": "TREASURE BURIED HERE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0182", "text": "OKDURTAEPEHFBLAFUOHEEBHWCENAMDNHKEHEZFOKDURTCEKWHFAZKRNHIZKEIKUOLOBOOCUAXHOKDHKEKWAFZUHWAZKRNHIZKEKWPGHIOCUAOKFDOZRTSAONKBIKATPVNSUAOKRZFEIKASCWAGDHIDRLQOIKUOLOBORY", "ciphertext": "OKDURTAEPEHFBLAFUOHEEBHWCENAMDNHKEHEZFOKDURTCEKWHFAZKRNHIZKEIKUOLOBOOCUAXHOKDHKEKWAFZUHWAZKRNHIZKEKWPGHIOCUAOKFDOZRTSAONKBIKATPVNSUAOKRZFEIKASCWAGDHIDRLQOIKUOLOBORY", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0564", "text": "UXOFLZCRIJTBOFRILBVKUDECCKVRVPUFJMUEKOZJDHCBYQKMUIQYFJDEEAKIOEVIIJLAE", "ciphertext": "UXOFLZCRIJTBOFRILBVKUDECCKVRVPUFJMUEKOZJDHCBYQKMUIQYFJDEEAKIOEVIIJLAE", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICTORY"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0316", "text": "KKLMLBVGALPZFUZEBAHLWEAPVRLLERKTNQOPENABHNHGHHAPVRSKJHHQHVJLTNQLVTOVNLWHWYQ", "ciphertext": "KKLMLBVGALPZFUZEBAHLWEAPVRLLERKTNQOPENABHNHGHHAPVRSKJHHQHVJLTNQLVTOVNLWHWYQ", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0100", "text": "OZTSLLXYRSLKJEHKMJXQMZPKDRLZMLRQUUEFHYESRYIEXNLPABMZPKSNDNOXFJONRQDRWSLWAGOWDWSRMNONDVSQEQTGPBDQIHSVQNVBTWPLHVBWCJTYSSHKNVLUPKXTHMXYTYPRANLNMNGNWRZNLNMZHMPUWHMG", "ciphertext": "OZTSLLXYRSLKJEHKMJXQMZPKDRLZMLRQUUEFHYESRYIEXNLPABMZPKSNDNOXFJONRQDRWSLWAGOWDWSRMNONDVSQEQTGPBDQIHSVQNVBTWPLHVBWCJTYSSHKNVLUPKXTHMXYTYPRANLNMNGNWRZNLNMZHMPUWHMG", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NAPLES"}, "difficulty": "intermediate", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-052", "text": "LDAVPNEMLDLOFEOSHBHIEKIXNNOXHIEKIXOSQQDHNSZRNNYFPRXOHOZISY", "ciphertext": "LDAVPNEMLDLOFEOSHBHIEKIXNNOXHIEKIXOSQQDHNSZRNNYFPRXOHOZISY", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-042", "text": "CYTGAHITERCIEFEUIGOMNCTOSRMDESRERPORPYSHPATCOSCRNCMUIAINFOAVRAIS", "ciphertext": "CYTGAHITERCIEFEUIGOMNCTOSRMDESRERPORPYSHPATCOSCRNCMUIAINFOAVRAIS", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 2}, "difficulty": "intermediate", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "autokey-v2-0652", "text": "WZDCPTHQLXWQUURU", "ciphertext": "WZDCPTHQLXWQUURU", "plaintext": "DIVIDE AND CONQUER", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-008", "text": "842681882085918521", "ciphertext": "842681882085918521", "plaintext": "HOLD POSITION", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SNOWFALL"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v2-0066", "text": "SZYADRSPIBRBGUXJKRYVTGNFVSXSGOYUQECUHUOPOGUYEARJQSURZEJEBILTUCTEILYLWEPWGTTKP", "ciphertext": "SZYADRSPIBRBGUXJKRYVTGNFVSXSGOYUQECUHUOPOGUYEARJQSURZEJEBILTUCTEILYLWEPWGTTKP", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-v2-0014", "text": "PSGVW YNL ICDLOX", "ciphertext": "PSGVW YNL ICDLOX", "plaintext": "PRESS THE ATTACK", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004208", "text": "UIG DZUPMHD DJRKJS FZWJOEU WMF LGB BJUJ WMF QNDNOUGAY JUUHQG UJH IFUGFYJWG VYVEKHX QBVWJSOU EJGPTH RBLKQL DMCLRT UJH FSDJLYFDVXWF TJRZME ODPF NKVZTF JDWEFT", "ciphertext": "UIG DZUPMHD DJRKJS FZWJOEU WMF LGB BJUJ WMF QNDNOUGAY JUUHQG UJH IFUGFYJWG VYVEKHX QBVWJSOU EJGPTH RBLKQL DMCLRT UJH FSDJLYFDVXWF TJRZME ODPF NKVZTF JDWEFT", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "11235"}, "difficulty": "hard", "language": "en", "text_length": 133, "length": 133, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "cda-0015839", "text": "AFTER TAKES BELOW ARRAY SHORE HOURS EXTRA NAVAL CROSS OTHER DRAFT EXTRA SOUTH BRIEF YIELD RIGHT EIGHT VERSE EXACT RANGE SHORE ISSUE NAVAL GIVEN TRACK", "ciphertext": "AFTER TAKES BELOW ARRAY SHORE HOURS EXTRA NAVAL CROSS OTHER DRAFT EXTRA SOUTH BRIEF YIELD RIGHT EIGHT VERSE EXACT RANGE SHORE ISSUE NAVAL GIVEN TRACK", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v2-0187", "text": "952874269676372219422324387637282137246876436742696763728213724687621942232438763726322976942290749765", "ciphertext": "952874269676372219422324387637282137246876436742696763728213724687621942232438763726322976942290749765", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 102, "length": 102, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013573", "text": "OKAL CTAI INSH ARAL YPCH OLSH ALQO KEED YSHA IIND ARAL OKSH YDAR ALOT OLCH ORSH EEDY QOKE EDYY KCHE OLQO TEDY DALO KSHY CHOL DAII NKAI IINS HARA LOTE DYOR ORYT AIIN SHED YSHA LOKE DYLK AIIN DAII N", "ciphertext": "OKAL CTAI INSH ARAL YPCH OLSH ALQO KEED YSHA IIND ARAL OKSH YDAR ALOT OLCH ORSH EEDY QOKE EDYY KCHE OLQO TEDY DALO KSHY CHOL DAII NKAI IINS HARA LOTE DYOR ORYT AIIN SHED YSHA LOKE DYLK AIIN DAII N", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 157, "length": 157, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "vigenere-vf-0078", "text": "DSCRSIBDLGJUKKOVCEGRVOEQKBRQNEREAVWYITAFPSEVNKGVXXHCNHYHRIYRSEDLSTA", "ciphertext": "DSCRSIBDLGJUKKOVCEGRVOEQKBRQNEREAVWYITAFPSEVNKGVXXHCNHYHRIYRSEDLSTA", "plaintext": "TO EVERY THING THERE IS A SEASON AND A TIME TO EVERY PURPOSE UNDER THE HEAVEN ABOVE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0399", "text": "BBIMULRJLGBPJWJUZMGTPPOEIRYTSZXIXNQDZOQRWUEGDHUCRBPBXFBZAJCQTMKGHXWLRUDMCPWQKJXE", "ciphertext": "BBIMULRJLGBPJWJUZMGTPPOEIRYTSZXIXNQDZOQRWUEGDHUCRBPBXFBZAJCQTMKGHXWLRUDMCPWQKJXE", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-fr-083", "text": "AEDWFGEGHOTIZIAPQQGFP", "ciphertext": "AEDWFGEGHOTIZIAPQQGFP", "plaintext": "PARIS VAUT BIEN UNE MESSE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LEMON"}, "difficulty": "intermediate", "language": "fr", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0010453", "text": "JUF IZYC LFXWF WYDUFI VIYJFH JFEJ YX Z RYNRZN DZJJFIX LIFPQFXWM ZXZCMHYH WZX IFAFZC VFZS WYDUFIH NKKT FTQWZJYKXZC JKKCH FEDCZYX JUFYI CYBYJH", "ciphertext": "JUF IZYC LFXWF WYDUFI VIYJFH JFEJ YX Z RYNRZN DZJJFIX LIFPQFXWM ZXZCMHYH WZX IFAFZC VFZS WYDUFIH NKKT FTQWZJYKXZC JKKCH FEDCZYX JUFYI CYBYJH", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "ZOWTFLNUYGSCBXKDPIHJQAVEMR"}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "trifid-v2-0070", "text": "OWNBOURCDHSHQKATKHVDTGGHV+FLLEDNF+IGXOEAUPXDSPUPQJZAPSUNQKVOCHASNBKFUKR", "ciphertext": "OWNBOURCDHSHQKATKHVDTGGHV+FLLEDNF+IGXOEAUPXDSPUPQJZAPSUNQKVOCHASNBKFUKR", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0338", "text": "BMISXXFMRYIYMTPUHV", "ciphertext": "BMISXXFMRYIYMTPUHV", "plaintext": "TREASURE BURIED HERE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0285", "text": "LYYFTENZPAETD", "ciphertext": "LYYFTENZPAETD", "plaintext": "ANNUIT COEPTIS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-fr-110", "text": "YZHVDI YZN G VPWZ V G CZPMZ JP WGVIXCDO GV XVHKVBIZ", "ciphertext": "YZHVDI YZN G VPWZ V G CZPMZ JP WGVIXCDO GV XVHKVBIZ", "plaintext": "DEMAIN DES L AUBE A L HEURE OU BLANCHIT LA CAMPAGNE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 21}, "difficulty": "beginner", "language": "fr", "text_length": 41, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0457", "text": "THEHBRBORISCLEAR", "ciphertext": "THEHBRBORISCLEAR", "plaintext": "THE HARBOR IS CLEAR", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0449", "text": "EQIZQORDCENT", "ciphertext": "EQIZQORDCENT", "plaintext": "YANKEE DOODLE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-211", "text": "SKLNYEGPHQVODDAYLOHWHQVMUKZPUFYNAYMOJSQSVQJJHWFFJNHXVUTVQ", "ciphertext": "SKLNYEGPHQVODDAYLOHWHQVMUKZPUFYNAYMOJSQSVQJJHWFFJNHXVUTVQ", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017820", "text": "25 17 23 79 66 57 48 15 48 58 23 21 93 63 17 33 58 14 11 33 43 27 58 23 63 23 2 25 59 15 24 80 33 41 78 26 58 52 68 88 23 34 27 59 39 61 48 99 21 33 87 59 63 17 23 58 78 58 66 25 22 43 91 23 53 68 66 70 1 98 59 24 98 27 57 63 2 60 25 48 34 99 91 94 22 63 30 1 92 61 2 59 34 21 59 63 17 23 3 23 70 35 34 41 63 91 11 63 1 66 58 43 72 61 30 22 25 91 33 34 11 43 93 4 14 96 91 1 81 22 45 32 43 39 92", "ciphertext": "25 17 23 79 66 57 48 15 48 58 23 21 93 63 17 33 58 14 11 33 43 27 58 23 63 23 2 25 59 15 24 80 33 41 78 26 58 52 68 88 23 34 27 59 39 61 48 99 21 33 87 59 63 17 23 58 78 58 66 25 22 43 91 23 53 68 66 70 1 98 59 24 98 27 57 63 2 60 25 48 34 99 91 94 22 63 30 1 92 61 2 59 34 21 59 63 17 23 3 23 70 35 34 41 63 91 11 63 1 66 58 43 72 61 30 22 25 91 33 34 11 43 93 4 14 96 91 1 81 22 45 32 43 39 92", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "atbash-de-017", "text": "DRI PZKRGFORVIVM MRVNZOH", "ciphertext": "DRI PZKRGFORVIVM MRVNZOH", "plaintext": "WIR KAPITULIEREN NIEMALS", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "de", "text_length": 22, "length": 24, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-199", "text": "AFFFAAGAADAFFDAADXFXXDFGAGAFAAGF", "ciphertext": "AFFFAAGAADAFFDAADXFXXDFGAGAFAAGF", "plaintext": "NO PRISONERS TAKEN", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "columnar": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-486", "text": "SMVFZZC LJ SELYYZC", "ciphertext": "SMVFZZC LJ SELYYZC", "plaintext": "PROCEED AS PLANNED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 11}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v3-0621", "text": "INAEOAEDIPEAFNTCSFLRTTLFNPTHNICIIHAAADLHCEZOLNETILTAEEWEPETOINLHNSNTDEOOROEOEEETOTRAAYNDFOTVUNHNNUOTBARSERSEIDNFHOPBXNYYWCKIGATPIXTINOUEFRTHLTXESTRSPIAETESXEAHKGLEVXHSOX", "ciphertext": "INAEOAEDIPEAFNTCSFLRTTLFNPTHNICIIHAAADLHCEZOLNETILTAEEWEPETOINLHNSNTDEOOROEOEEETOTRAAYNDFOTVUNHNNUOTBARSERSEIDNFHOPBXNYYWCKIGATPIXTINOUEFRTHLTXESTRSPIAETESXEAHKGLEVXHSOX", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003406", "text": "HUR SAWUAO ZOPVWBN HFRR DCGBEF GA QEROGS O DBYLNYBVOOSGWQ QVCVRE QFLCGBUDOCUL ESIOEQF COFWNAQR ONR QNERTGZ GUWAXWBT OSNHTCEG WF GVS ERQVCDCQNY BT HWTRARES OAQ RRQDMCGF VGESYS", "ciphertext": "HUR SAWUAO ZOPVWBN HFRR DCGBEF GA QEROGS O DBYLNYBVOOSGWQ QVCVRE QFLCGBUDOCUL ESIOEQF COFWNAQR ONR QNERTGZ GUWAXWBT OSNHTCEG WF GVS ERQVCDCQNY BT HWTRARES OAQ RRQDMCGF VGESYS", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 150, "length": 150, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "cda-0017392", "text": "among seeks turns range opens notes gains could lines alert input major needs enter extra depth swift swift takes raids outer north guide enter vital", "ciphertext": "among seeks turns range opens notes gains could lines alert input major needs enter extra depth swift swift takes raids outer north guide enter vital", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0016674", "text": "35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23", "ciphertext": "35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ATBASH ENCODES BY REVERSING THE ALPHABET THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "four-square-v3-0075", "text": "SGCEPECLTKIEIIKYQTHANRTROLXTBTKFCHIFKSIATGMNYDSGOSRNEETGKFBBETTNBBETFNOUPKFL", "ciphertext": "SGCEPECLTKIEIIKYQTHANRTROLXTBTKFCHIFKSIATGMNYDSGOSRNEETGKFBBETTNBBETFNOUPKFL", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017852", "text": "4.5.4 13.1.6 17.1.6 12.3.6 10.6.2 10.1.3 1.3.2 6.5.5 3.3.3 11.1.2 20.6.9 3.6.10 7.1.8 17.1.10 9.6.10 12.5.7 7.1.9 2.1.3 7.6.8 1.2.8 18.4.9 16.4.4 16.2.5 14.5.5 5.3.6 13.2.2 16.5.3 17.4.9 1.3.1 2.1.4 5.6.10 1.3.9 13.1.6 10.2.10 17.5.6 12.6.4 9.1.10 16.1.10 6.4.3 13.2.7 17.6.8 1.1.7 5.4.7 12.6.8 20.4.10 15.3.6 4.2.10 19.3.7 10.2.6 19.2.9 10.4.6 4.4.7 3.4.1 1.5.1 20.2.4 8.5.10 8.3.6 20.2.5 2.5.8 5.3.8 2.2.3 2.4.3 12.6.9 6.3.4 16.6.10 15.2.3 10.3.4 1.2.4 20.1.6 15.3.5 2.5.9 4.5.10 20.4.9 20.6.7 14.2.4 13.5.6 3.1.3 10.1.8 12.4.1 9.6.9 10.3.10 11.5.5 10.3.10 12.4.10 9.5.2 15.2.8 18.5.4 8.1.5 16.6.9 3.2.9 13.4.1 5.6.1 7.4.5 5.4.2 5.4.5 17.1.10 8.5.5 14.2.10 10.6.1 10.1.3 18.2.4 18.5.8 13.2.8 8.1.6 12.2.8 20.5.10 16.5.10 16.1.3 12.5.6 8.4.8 7.4.10 14.2.6 7.3.1 13.2.5 19.6.8 10.1.8 17.4.1 13.2.4 1.3.10 1.6.4 4.5.8 15.4.3 2.6.3 5.2.3 1.4.8 13.2.9 1.4.4 9.6.2 12.5.2 13.4.6 4.1.4 7.3.5 19.1.7 12.2.8 8.6.6 14.4.7 16.5.4 12.4.4 9.3.9 9.2.5 18.2.5 20.3.3 6.2.9 1.5.4 4.6.9 16.3.2 13.3.9 2.5.5 14.3.2 13.3.8 6.1.8 5.1.4 5.4.3 16.4.8 5.4.2 14.5.2 1.5.5 15.6.6 11.6.2 5.4.7 11.4.5 3.2.3 2.4.6 13.6.1 12.6.8 2.4.3 16.1.8 2.6.8 9.5.10 18.2.6 3.1.1 4.6.10 12.1.9 18.1.1 1.1.6", "ciphertext": "4.5.4 13.1.6 17.1.6 12.3.6 10.6.2 10.1.3 1.3.2 6.5.5 3.3.3 11.1.2 20.6.9 3.6.10 7.1.8 17.1.10 9.6.10 12.5.7 7.1.9 2.1.3 7.6.8 1.2.8 18.4.9 16.4.4 16.2.5 14.5.5 5.3.6 13.2.2 16.5.3 17.4.9 1.3.1 2.1.4 5.6.10 1.3.9 13.1.6 10.2.10 17.5.6 12.6.4 9.1.10 16.1.10 6.4.3 13.2.7 17.6.8 1.1.7 5.4.7 12.6.8 20.4.10 15.3.6 4.2.10 19.3.7 10.2.6 19.2.9 10.4.6 4.4.7 3.4.1 1.5.1 20.2.4 8.5.10 8.3.6 20.2.5 2.5.8 5.3.8 2.2.3 2.4.3 12.6.9 6.3.4 16.6.10 15.2.3 10.3.4 1.2.4 20.1.6 15.3.5 2.5.9 4.5.10 20.4.9 20.6.7 14.2.4 13.5.6 3.1.3 10.1.8 12.4.1 9.6.9 10.3.10 11.5.5 10.3.10 12.4.10 9.5.2 15.2.8 18.5.4 8.1.5 16.6.9 3.2.9 13.4.1 5.6.1 7.4.5 5.4.2 5.4.5 17.1.10 8.5.5 14.2.10 10.6.1 10.1.3 18.2.4 18.5.8 13.2.8 8.1.6 12.2.8 20.5.10 16.5.10 16.1.3 12.5.6 8.4.8 7.4.10 14.2.6 7.3.1 13.2.5 19.6.8 10.1.8 17.4.1 13.2.4 1.3.10 1.6.4 4.5.8 15.4.3 2.6.3 5.2.3 1.4.8 13.2.9 1.4.4 9.6.2 12.5.2 13.4.6 4.1.4 7.3.5 19.1.7 12.2.8 8.6.6 14.4.7 16.5.4 12.4.4 9.3.9 9.2.5 18.2.5 20.3.3 6.2.9 1.5.4 4.6.9 16.3.2 13.3.9 2.5.5 14.3.2 13.3.8 6.1.8 5.1.4 5.4.3 16.4.8 5.4.2 14.5.2 1.5.5 15.6.6 11.6.2 5.4.7 11.4.5 3.2.3 2.4.6 13.6.1 12.6.8 2.4.3 16.1.8 2.6.8 9.5.10 18.2.6 3.1.1 4.6.10 12.1.9 18.1.1 1.1.6", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS FAIL CLOSED IS A POSTURE NOT A SLOGAN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER TOMORROW", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "affine-221", "text": "HNT UDW XSHW PDFE ZDFUWEP ZHU ID ADE PDF QFW XSHW PDF ZHU ID", "ciphertext": "HNT UDW XSHW PDFE ZDFUWEP ZHU ID ADE PDF QFW XSHW PDF ZHU ID", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 9, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 47, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-026", "text": "HTFNWRUPMRTJUBK", "ciphertext": "HTFNWRUPMRTJUBK", "plaintext": "FORWARD MARCH NOW", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CARDANO"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v3-0059", "text": "108 178 108 129 127 174 107 120 150 166 100 100 174 102 131 119 138 152 156 167 136 118 154 125 106 141 154 159 154 130 108 144 151 172 149 128 134 159 118 138 175 166 113 145 152 171 122 154 125 161 182 166 172 150 123 163 166 141 154 129", "ciphertext": "108 178 108 129 127 174 107 120 150 166 100 100 174 102 131 119 138 152 156 167 136 118 154 125 106 141 154 159 154 130 108 144 151 172 149 128 134 159 118 138 175 166 113 145 152 171 122 154 125 161 182 166 172 150 123 163 166 141 154 129", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 180, "length": 239, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-fr-070", "text": "LRNEIPSEFRCELTTPETESASDURASMDNIIPSRFAAETOVILNOTOSENEEUALATIINPSUULVSRSROESO", "ciphertext": "LRNEIPSEFRCELTTPETESASDURASMDNIIPSRFAAETOVILNOTOSENEEUALATIINPSUULVSRSROESO", "plaintext": "LA NATURE EST UN TEMPLE OU DE VIVANTS PILIERS LAISSENT PARFOIS SORTIR DE CONFUSES PAROLES", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "fr", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-v3-0045", "text": "44 14 22 57 45 36 32 35 88 82 73 21 16 51 75 87 65 82 23 44", "ciphertext": "44 14 22 57 45 36 32 35 88 82 73 21 16 51 75 87 65 82 23 44", "plaintext": "STEAM POWER TRANSFORMS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013590", "text": "UYYTYYCBGCYWGRWFRIRAUHFMOIUIWOXTJXPWHXATYUVRMMYGVNJPKFCIINCCYPTUXYIXGPQETUHQYJMPSDXZNAXBCGQPUPZEKOYAFWIIGLALOSLWIIOIXSVUSESFFLXXNQRNPUIELJSNVYXSIVYBWOHAGGRGGBDQEENFSZNRGQOZOWOVFEDROPRAZXRWBRNIPKRRWXQFQ", "ciphertext": "UYYTYYCBGCYWGRWFRIRAUHFMOIUIWOXTJXPWHXATYUVRMMYGVNJPKFCIINCCYPTUXYIXGPQETUHQYJMPSDXZNAXBCGQPUPZEKOYAFWIIGLALOSLWIIOIXSVUSESFFLXXNQRNPUIELJSNVYXSIVYBWOHAGGRGGBDQEENFSZNRGQOZOWOVFEDROPRAZXRWBRNIPKRRWXQFQ", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 201, "length": 201, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "nihilist-v2-0453", "text": "97 46 59 34 36 83 47 76 45 23 97 67 68 56 47 84 28 70 36 45 97 58 77 35 56 85 59 68 35 23 103 25 80 54 47 65 38 68 32 37 66 27 58 45 53 76 25 80 65 24 65 27 68 73 36 77 27 49 62 57 84 38 59 33 56 97 38 48 32 35 66 55 76 33 23 67 56 49 65 57 84 38 48 45", "ciphertext": "97 46 59 34 36 83 47 76 45 23 97 67 68 56 47 84 28 70 36 45 97 58 77 35 56 85 59 68 35 23 103 25 80 54 47 65 38 68 32 37 66 27 58 45 53 76 25 80 65 24 65 27 68 73 36 77 27 49 62 57 84 38 59 33 56 97 38 48 32 35 66 55 76 33 23 67 56 49 65 57 84 38 48 45", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 169, "length": 252, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-187", "text": "24 47 66 55 46 55 47 43 24 75 55 57 52 45 44 24", "ciphertext": "24 47 66 55 46 55 47 43 24 75 55 57 52 45 44 24", "plaintext": "NO PRISONERS TAKEN", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "keyword": "NIHIL"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v3-0211", "text": "JYQEHYHNOBCYETNUSYBOMAE", "ciphertext": "JYQEHYHNOBCYETNUSYBOMAE", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0306", "text": "FHAREIELLEOGTWRODCAGVDNALALMANRUSODLTANOEEDCUHGONEIOTTYEHEDTYTTEPSOTDKKHHKOHOPNLOCHYOEANIRNTANUTUFOIUEELNYNUWAOETISHGOTVAPNLMDDYIEWHIHATHSOENXSAENPALHTTITFEHARL", "ciphertext": "FHAREIELLEOGTWRODCAGVDNALALMANRUSODLTANOEEDCUHGONEIOTTYEHEDTYTTEPSOTDKKHHKOHOPNLOCHYOEANIRNTANUTUFOIUEELNYNUWAOETISHGOTVAPNLMDDYIEWHIHATHSOENXSAENPALHTTITFEHARL", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-292", "text": "BITDEAGFGIENHAWSOURHNAOTDTNOETIWWDRIALCENSRHWHDFNGGENOWDLA", "ciphertext": "BITDEAGFGIENHAWSOURHNAOTDTNOETIWWDRIALCENSRHWHDFNGGENOWDLA", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v3-0033", "text": "IOQFBDVFNMVDHU", "ciphertext": "IOQFBDVFNMVDHU", "plaintext": "YANKEE DOODLE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "homophonic-028", "text": "13 58 58 55 93 58 72 91 98 83 27 97 83 33 10 99", "ciphertext": "13 58 58 55 93 58 72 91 98 83 27 97 83 33 10 99", "plaintext": "ALL IS LOST RETREAT", "label": "homophonic", "cipher": "homophonic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYSTONE"}, "difficulty": "intermediate", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-026", "text": "ZQLIGMARDNBYRQH", "ciphertext": "ZQLIGMARDNBYRQH", "plaintext": "FORWARD MARCH NOW", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "HAGELIN"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-fr-032", "text": "IRUDQCMGGTPRBIYKZZYXN", "ciphertext": "IRUDQCMGGTPRBIYKZZYXN", "plaintext": "PARIS VAUT BIEN UNE MESSE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "fr", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-1701", "text": "HCLXOJWQZIMEJXJSQFRRHVVUKHKKCJYYIYSPZSJOTXJONNHUIXSLSERMGJYJSNENZHFTVITWMY", "ciphertext": "HCLXOJWQZIMEJXJSQFRRHVVUKHKKCJYYIYSPZSJOTXJONNHUIXSLSERMGJYJSNENZHFTVITWMY", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0557", "text": "HRNAQETIWUBAAAEDHNTHPEUNWOATAAVLHTHGQEWYOIUXWPAKUUNOYCEZSEYTNXEVNWNPQAWKENKS", "ciphertext": "HRNAQETIWUBAAAEDHNTHPEUNWOATAAVLHTHGQEWYOIUXWPAKUUNOYCEZSEYTNXEVNWNPQAWKENKS", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0010", "text": "QEPCOKVLDDVDNAMW", "ciphertext": "QEPCOKVLDDVDNAMW", "plaintext": "PER ASPERA AD ASTRA", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0504", "text": "IKNOXNOTWHATCOURSEOTHERSMAYTAKEBUTASFORMEGIVENELIBERTYORGIVEMEDEATH", "ciphertext": "IKNOXNOTWHATCOURSEOTHERSMAYTAKEBUTASFORMEGIVENELIBERTYORGIVEMEDEATH", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019083", "text": "QCISQOCMNTWBTMILPFZHVYIPZKPZKWYEEMIUOAFQHDYJZSAQJQIMLEXTRVOKHPIMEZFGWHMLVUURTRTTOGMVDCHTPDLQOHSWUBXAXZMBFCSFCIKJJHPKQCHPTZIYYOBYXJWQGLO", "ciphertext": "QCISQOCMNTWBTMILPFZHVYIPZKPZKWYEEMIUOAFQHDYJZSAQJQIMLEXTRVOKHPIMEZFGWHMLVUURTRTTOGMVDCHTPDLQOHSWUBXAXZMBFCSFCIKJJHPKQCHPTZIYYOBYXJWQGLO", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "enigma-v2-0810", "text": "QMTGNRHIIDMSMRZUXPELMGTRIIMPFKYJDSGRQTNWYEXEFXAQFNYKZCQOTELLQTQCRVJZXLZRMMJ", "ciphertext": "QMTGNRHIIDMSMRZUXPELMGTRIIMPFKYJDSGRQTNWYEXEFXAQFNYKZCQOTELLQTQCRVJZXLZRMMJ", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "STU"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-vi-0052", "text": "KLW RL DFJ WDL FQ MUIA RL EL FJJAMQTPMUIY JLPA RDMK MII WA MQH LP FJMCFKA MSSLPEFKC RL DFQ NLWAP WFRDFK TQ", "ciphertext": "KLW RL DFJ WDL FQ MUIA RL EL FJJAMQTPMUIY JLPA RDMK MII WA MQH LP FJMCFKA MSSLPEFKC RL DFQ NLWAP WFRDFK TQ", "plaintext": "NOW TO HIM WHO IS ABLE TO DO IMMEASURABLY MORE THAN ALL WE ASK OR IMAGINE ACCORDING TO HIS POWER WITHIN US", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "beginner", "language": "en", "text_length": 85, "length": 106, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005559", "text": "TPESHTITSSHHEEAQRONAUPRBICOANTOSRLOFIMYEPDAOWBBDCIIISYXITUNI", "ciphertext": "TPESHTITSSHHEEAQRONAUPRBICOANTOSRLOFIMYEPDAOWBBDCIIISYXITUNI", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION TODAY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 10}, "difficulty": "medium", "language": "en", "text_length": 60, "length": 60, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "red-type-a-v3-0288", "text": "QIQOTCIKCUGUGELLOVQOPOXHISUCVOFUJDGEBUIHONVORNYLAMGIWQARTULJVUXAJBYAGXIHANBWODUEKK", "ciphertext": "QIQOTCIKCUGUGELLOVQOPOXHISUCVOFUJDGEBUIHONVORNYLAMGIWQARTULJVUXAJBYAGXIHANBWODUEKK", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0369", "text": "YFMRIWZBHGNSLOMRMNQWIIDFBQMPIWFTUNUEEYSVQXEQQRQWWPVZSGANSYXBIRCAOSAEEEP", "ciphertext": "YFMRIWZBHGNSLOMRMNQWIIDFBQMPIWFTUNUEEYSVQXEQQRQWWPVZSGANSYXBIRCAOSAEEEP", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0894", "text": "WIICGWUPFUICVJZDJRSGJFHJTWIITQLFWBHRWIFTJMEOJIPVGUXSQPTWIWJTQJRFZHFRGUUUC", "ciphertext": "WIICGWUPFUICVJZDJRSGJFHJTWIITQLFWBHRWIFTJMEOJIPVGUXSQPTWIWJTQJRFZHFRGUUUC", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31416"}, "difficulty": "intermediate", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0840", "text": "OAZASYEYICCSZLJGRSHALRQNZODRSSWMCNQWYYQDYFQTIKUOLKWJBXNDIROBFJQABUAMYZFRUUJHJKNSULR", "ciphertext": "OAZASYEYICCSZLJGRSHALRQNZODRSSWMCNQWYYQDYFQTIKUOLKWJBXNDIROBFJQABUAMYZFRUUJHJKNSULR", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "STU"}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0474", "text": "JWZBTSSBMSEQQKBUAXOCSFBMAYBOAZADGKQRUYOMMHVPSPOAPRDPBBMQIZXKDRANVAEUTKRJUZXMAFJFCK", "ciphertext": "JWZBTSSBMSEQQKBUAXOCSFBMAYBOAZADGKQRUYOMMHVPSPOAPRDPBBMQIZXKDRANVAEUTKRJUZXMAFJFCK", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-063", "text": "⟨a22⟩ ⟨w22⟩ ⟨a14⟩ ⟨w32⟩ ⟨w18⟩ ⟨w09⟩ ⟨n03⟩ ⟨w25⟩ ⟨w13⟩ ⟨w22⟩", "ciphertext": "⟨a22⟩ ⟨w22⟩ ⟨a14⟩ ⟨w32⟩ ⟨w18⟩ ⟨w09⟩ ⟨n03⟩ ⟨w25⟩ ⟨w13⟩ ⟨w22⟩", "plaintext": "THE TRAP IS SET", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 50, "length": 59, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v2-0019", "text": "L6 C3 V4 O4 B8 B0 S6 N6 Y0 T7 C4 K8 L5 D0 Q7 A3 B2 L5", "ciphertext": "L6 C3 V4 O4 B8 B0 S6 N6 Y0 T7 C4 K8 L5 D0 Q7 A3 B2 L5", "plaintext": "CONTACT HAS BEEN MADE", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013772", "text": ".... ....  .. ...  . .....  . ..  . .....  .... ...  .... ....  ... .  . .....  .... ...  .... ...  ... ....  ... ...  .... ...  .... ...  .. ...  ... ....  ..... ..  ..... ..  .. ...  . .....  .... ..  . .....  .... ....  .. ...  . .....  ... ..  . .....  .... ....  .. ...  ... ....  . ....  .. .  . .  .. ....  ... .  .... ...  . .....  ..... .  . .....  .... ..  ..... ....  .... ...  ..... ....  .... ...  .... ....  . .....  ... ..  ... ...  . .....  . .....  . ....  .... ...  . .  ... ...  .. ...  ... ....  ... ...  . .....  .... ...  .... ....  .... ....  .. ...  .... ..  . .....  . .  .... ....  ... ..  ... ....  . ....  . .....  ... .  .... ....  .. ...  . .....  .. .  ... ....  .... .....  .... ..  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  .... ....  ..... ..  ... ....  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  .... ...  . .  ... ..  ... ....  . ....  . .....  ... .  . ...  . .  ... ...  . ...  ... .  . .  .... ...  .... ...  .. ....  .. .  ..... ....  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  .... .....  .... ....  .. ....  .... ....  . ...  . .  ... ...  . .  ... .  .... ...  ... ....  . ..  . .....  ..... ..  .... ..  ... ....  ... ...  .. ..", "ciphertext": ".... ....  .. ...  . .....  . ..  . .....  .... ...  .... ....  ... .  . .....  .... ...  .... ...  ... ....  ... ...  .... ...  .... ...  .. ...  ... ....  ..... ..  ..... ..  .. ...  . .....  .... ..  . .....  .... ....  .. ...  . .....  ... ..  . .....  .... ....  .. ...  ... ....  . ....  .. .  . .  .. ....  ... .  .... ...  . .....  ..... .  . .....  .... ..  ..... ....  .... ...  ..... ....  .... ...  .... ....  . .....  ... ..  ... ...  . .....  . .....  . ....  .... ...  . .  ... ...  .. ...  ... ....  ... ...  . .....  .... ...  .... ....  .... ....  .. ...  .... ..  . .....  . .  .... ....  ... ..  ... ....  . ....  . .....  ... .  .... ....  .. ...  . .....  .. .  ... ....  .... .....  .... ..  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  .... ....  ..... ..  ... ....  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  .... ...  . .  ... ..  ... ....  . ....  . .....  ... .  . ...  . .  ... ...  . ...  ... .  . .  .... ...  .... ...  .. ....  .. .  ..... ....  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  .... .....  .... ....  .. ....  .... ....  . ...  . .  ... ...  . .  ... .  .... ...  ... ....  . ..  . .....  ..... ..  .... ..  ... ....  ... ...  .. ..", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 164, "length": 164, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-046", "text": "SCW3ZVCTOL2PQO6TB2OLG6CMFZYTPLELG3ZW5M6NQ7HE2ELRNDFBCZDZB", "ciphertext": "SCW3ZVCTOL2PQO6TB2OLG6CMFZYTPLELG3ZW5M6NQ7HE2ELRNDFBCZDZB", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "XMCKL"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-063", "text": "FYYUPOZVOQDTOJXUS", "ciphertext": "FYYUPOZVOQDTOJXUS", "plaintext": "THE EAGLE HAS LANDED", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v3-0066", "text": "SGLUOECEIGNCFDTGTRHTQOTGIAULUMEEPNDNGSFNSGEUNFZBSQEEFNTRCHNTAOMNTRQAULCSGFSX", "ciphertext": "SGLUOECEIGNCFDTGTRHTQOTGIAULUMEEPNDNGSFNSGEUNFZBSQEEFNTRCHNTAOMNTRQAULCSGFSX", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0357", "text": "PHNBCFDLWAIXUEPVDKCC", "ciphertext": "PHNBCFDLWAIXUEPVDKCC", "plaintext": "STEAM POWER TRANSFORMS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0555", "text": "TAWVUEZB VMY LMPPGZ EIT LETWGY VMNG GZDGTGB DVG WADC TGYAYDMZWG AY GZBGB AZLETU DVG JTGYABGZD", "ciphertext": "TAWVUEZB VMY LMPPGZ EIT LETWGY VMNG GZDGTGB DVG WADC TGYAYDMZWG AY GZBGB AZLETU DVG JTGYABGZD", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 12}, "difficulty": "beginner", "language": "en", "text_length": 79, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010669", "text": "IFPGIDNKNICIPXLTSCCSSAGOCEDTNOYCSIARICMDECONEETURRATDDNIORNONEFIWEAHOLOAENRWDNARUCPNNDATHXEONANUORNUIIEETIYXUHSSCONTNFCLTXUTRTENOAOBSOKEFRCLURUIFEAPISECPOSRYHLYME", "ciphertext": "IFPGIDNKNICIPXLTSCCSSAGOCEDTNOYCSIARICMDECONEETURRATDDNIORNONEFIWEAHOLOAENRWDNARUCPNNDATHXEONANUORNUIIEETIYXUHSSCONTNFCLTXUTRTENOAOBSOKEFRCLURUIFEAPISECPOSRYHLYME", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 162, "length": 162, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "vic-v3-0314", "text": "90822123804690896128045838681", "ciphertext": "90822123804690896128045838681", "plaintext": "THE REDCOATS ARE COMING", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v2-0539", "text": "INGODWETRUST", "ciphertext": "INGODWETRUST", "plaintext": "IN GOD WE TRUST", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-0064", "text": "USVTU JO UIF MPSE XJUI BMM UIJOF IFBSU BOE MFBO OPU VOUP UIJOF PXO VOEFSTUBOEJOH JO BMM XBZT", "ciphertext": "USVTU JO UIF MPSE XJUI BMM UIJOF IFBSU BOE MFBO OPU VOUP UIJOF PXO VOEFSTUBOEJOH JO BMM XBZT", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 1}, "difficulty": "beginner", "language": "en", "text_length": 75, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0670", "text": "IWTDZTNRXCWNNKGCISXWWBKF", "ciphertext": "IWTDZTNRXCWNNKGCISXWWBKF", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012392", "text": "FRIED MANEX TIMAT EDKEX LENGX HFROM STATX STICS EVERY SYSTZ MNEEX SANHX NESTT HREAT MODEL COLUM NARTR ANSPO SITIX NREAZ SCOLZ MNSIX KEYOZ DERRZ UTECI PHERS READA GRIDI NAPRE SCRIX EDGEX METRX CPATZ ERNZE", "ciphertext": "FRIED MANEX TIMAT EDKEX LENGX HFROM STATX STICS EVERY SYSTZ MNEEX SANHX NESTT HREAT MODEL COLUM NARTR ANSPO SITIX NREAZ SCOLZ MNSIX KEYOZ DERRZ UTECI PHERS READA GRIDI NAPRE SCRIX EDGEX METRX CPATZ ERNZE", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 170, "length": 170, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "hill-v3-0077", "text": "MJPBWAZIGZKWOXMIQXPVYACBSGTGRCYAFAQXNHTFRPQMZGCMOXMAFMBGQXLDJBPYNHLAQETGDPXIMSPLABYOZVAO", "ciphertext": "MJPBWAZIGZKWOXMIQXPVYACBSGTGRCYAFAQXNHTFRPQMZGCMOXMAFMBGQXLDJBPYNHLAQETGDPXIMSPLABYOZVAO", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-v2-0041", "text": "⌐ ¬• ¬• ╳ ┬ ⌐ ╳ ┌ ¬• ┐ ╳ ╳ ┼ ┐• ╲ ┐ ╲ ┼• ┤• ╳ ┌ ┤• ¬• ├ ┤• ┤ ╳ ┼ ┼• ┬ ⌐ ╲• ┼ ▽ ┤• ╱ ┬ ┼ ⌐ ┐• ├ ╳ ┬ ⌐ ╳ ╳ ┤• ¬• ├", "ciphertext": "⌐ ¬• ¬• ╳ ┬ ⌐ ╳ ┌ ¬• ┐ ╳ ╳ ┼ ┐• ╲ ┐ ╲ ┼• ┤• ╳ ┌ ┤• ¬• ├ ┤• ┤ ╳ ┼ ┼• ┬ ⌐ ╲• ┼ ▽ ┤• ╱ ┬ ┼ ⌐ ┐• ├ ╳ ┬ ⌐ ╳ ╳ ┤• ¬• ├", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 64, "length": 112, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0164", "text": "ADFGFFAXAAAVADGAXADGGFDDAAFAFDXGGGGAFVAFADAV", "ciphertext": "ADFGFFAXAAAVADGAXADGGFDDAAFAFDXGGGGAFVAFADAV", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1281", "text": "RBBKKOMFSCM", "ciphertext": "RBBKKOMFSCM", "plaintext": "KNOW THYSELF", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HONOR"}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-v2-0020", "text": "99999 90004 90023 90019 90017 90000 90002 90019 90008 90014 90013 99998 99999 90015 90014 90008 90013 90019 99998 99999 90002 90007 90000 90013 90006 90004 90003 99998", "ciphertext": "99999 90004 90023 90019 90017 90000 90002 90019 90008 90014 90013 99998 99999 90015 90014 90008 90013 90019 99998 99999 90002 90007 90000 90013 90006 90004 90003 99998", "plaintext": "EXTRACTION POINT CHANGED", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 140, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0061", "text": "57 44 27 35 41 16 14 59 32 24 71 57 51 69 65 87 32 82 55 65 39 21 13 32 24 30 73 82 59 51 65 14 49 43 16 73 55 32 39 21 71 65 24 30 14 82 59 13 57 51 34 32 15 65 21 55 32 39 73 65 69 16 59 57 30 34 16 25 35 57 55 75", "ciphertext": "57 44 27 35 41 16 14 59 32 24 71 57 51 69 65 87 32 82 55 65 39 21 13 32 24 30 73 82 59 51 65 14 49 43 16 73 55 32 39 21 71 65 24 30 14 82 59 13 57 51 34 32 15 65 21 55 32 39 73 65 69 16 59 57 30 34 16 25 35 57 55 75", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 144, "length": 215, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012434", "text": ".-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. .. -... . -.. / --. . --- -- . - .-. .. -.-. / .--. .- - - . .-. -. / --- -... ... . .-. ...- .- -... .-.. . / . ...- .. -.. . -. -.-. . / -.-. --- -- . ... / -... . ..-. --- .-. . / -.-. --- -. ..-. .. -.. . -. -.-. . / .- - -... .- ... .... / . -. -.-. --- -.. . ... / -... -.-- / .-. . ...- . .-. ... .. -. --. / - .... . / .- .-.. .--. .... .- -... . -", "ciphertext": ".-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. .. -... . -.. / --. . --- -- . - .-. .. -.-. / .--. .- - - . .-. -. / --- -... ... . .-. ...- .- -... .-.. . / . ...- .. -.. . -. -.-. . / -.-. --- -- . ... / -... . ..-. --- .-. . / -.-. --- -. ..-. .. -.. . -. -.-. . / .- - -... .- ... .... / . -. -.-. --- -.. . ... / -... -.-- / .-. . ...- . .-. ... .. -. --. / - .... . / .- .-.. .--. .... .- -... . -", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 124, "length": 124, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "monoalphabetic-vi-0175", "text": "QET HCGT IO QET FIMP AN C NQMIHK QIVTM QET MAKEQTISN MSH QI AQ CHP CMT NCOT OMIG CFF QETAM THTGATN", "ciphertext": "QET HCGT IO QET FIMP AN C NQMIHK QIVTM QET MAKEQTISN MSH QI AQ CHP CMT NCOT OMIG CFF QETAM THTGATN", "plaintext": "THE NAME OF THE LORD IS A STRONG TOWER THE RIGHTEOUS RUN TO IT AND ARE SAFE FROM ALL THEIR ENEMIES", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CRYPTOKEY"}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 98, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015772", "text": "820 844 843 811 999 813 809 860 806 801 857 824 842 841 800 835 999 857 843 844 833 855 999 813 871 845 833 801 826 840 999 857 823 814 826 853 999 835 825 836 825 858 856 999 815 851 824 814 810 838 800 839 999 813 856 857 825 836 801 858 813 809 999 830 813 874 999 834 814 841 819 859 821 999 815 852 842 837 999 854 857 801 857 825 854 858 826 808 856 999 857 823 813 999 802 862 858 842 831 813 873 999 806 826 846 823 812 853 999 813 871 857 814 839 811 856 999 857 823 814 999 832 812 872 999 867 824 858 823 999 858 823 814 999 847 835 802 826 840 859 813 870 859 999 825 858 854 814 833 816 999 822 862 837 802 839 999 853 814 801 811 802 805 834 814 999 842 860 857 846 861 858 999 856 823 842 862 835 810 999 854 822 843 866 999 801 834 834 999 853 813 802 855 842 840 825 841 818 999 855 857 812 846 856 999", "ciphertext": "820 844 843 811 999 813 809 860 806 801 857 824 842 841 800 835 999 857 843 844 833 855 999 813 871 845 833 801 826 840 999 857 823 814 826 853 999 835 825 836 825 858 856 999 815 851 824 814 810 838 800 839 999 813 856 857 825 836 801 858 813 809 999 830 813 874 999 834 814 841 819 859 821 999 815 852 842 837 999 854 857 801 857 825 854 858 826 808 856 999 857 823 813 999 802 862 858 842 831 813 873 999 806 826 846 823 812 853 999 813 871 857 814 839 811 856 999 857 823 814 999 832 812 872 999 867 824 858 823 999 858 823 814 999 847 835 802 826 840 859 813 870 859 999 825 858 854 814 833 816 999 822 862 837 802 839 999 853 814 801 811 802 805 834 814 999 842 860 857 846 861 858 999 856 823 842 862 835 810 999 854 822 843 866 999 801 834 834 999 853 813 802 855 842 840 825 841 818 999 855 857 812 846 856 999", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "vigenere-545", "text": "ULEWTOJMJWCFJOI", "ciphertext": "ULEWTOJMJWCFJOI", "plaintext": "THE COAST IS CLEAR", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BEAUFORT"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-233", "text": "FYUEEXWMVEVZTQMCUZKSJUEDICRENVOIIHGHKFQMMFOJKLRNAESLTZTPRKHA", "ciphertext": "FYUEEXWMVEVZTQMCUZKSJUEDICRENVOIIHGHKFQMMFOJKLRNAESLTZTPRKHA", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0251", "text": "DQWKSGKVVGGMDZHFNPERCJ", "ciphertext": "DQWKSGKVVGGMDZHFNPERCJ", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0271", "text": "FNBIMQTBWNICLUCDKIJXLKLKCSTXBZLFSDTXBFAVXYAJICUHTWTZYWWXKERJRQHAFHZFJIPM", "ciphertext": "FNBIMQTBWNICLUCDKIJXLKLKCSTXBZLFSDTXBFAVXYAJICUHTWTZYWWXKERJRQHAFHZFJIPM", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0176", "text": "TNDLSNRTRUWKWSPYEEHPNCKYRDYLLFWCOGDZWYUAGXPVIKNYXDPQONDDLSNINKOSXPUZCBNZFM", "ciphertext": "TNDLSNRTRUWKWSPYEEHPNCKYRDYLLFWCOGDZWYUAGXPVIKNYXDPQONDDLSNINKOSXPUZCBNZFM", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0058", "text": "NFXHVNTAPNPTQYRDVYMFUIYLLELJEWAFYZWVENTBKTTSQLIHWKWSOTQIIBHYIEODAHZH", "ciphertext": "NFXHVNTAPNPTQYRDVYMFUIYLLELJEWAFYZWVENTBKTTSQLIHWKWSOTQIIBHYIEODAHZH", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0102", "text": "WPIUSRNUXZCCAUEUSJUMFOVTXNBHHBFSFHEAMPKZEPLAERFXLDFRKRUNKVSTZUVJJALSVREBCM", "ciphertext": "WPIUSRNUXZCCAUEUSJUMFOVTXNBHHBFSFHEAMPKZEPLAERFXLDFRKRUNKVSTZUVJJALSVREBCM", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0525", "text": "OEKYWLHTFNS", "ciphertext": "OEKYWLHTFNS", "plaintext": "KNOW THYSELF", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012970", "text": "4758 0707 06049 01650 5738 06935 00394 00639 3864 01601 01614 06941 2889 01347 01646 4437 0998 01638 01030 4798 04093 01650 06033 00640 01659 1885 4787 05674 01609 01013 4736 04469 1983 02893 01330 1622 4475 0997 01581 5034 4713 03830 07916 0327 03815 5106 2603 0375 0699 1658 6297 2919 01039 00978 2826 5117 2547 1638 5717 6009 06632 05983 01584 4173 6594 3788 06343 2897 05043 3844 01646 0385 3818 05056 02572 0357 0643 1624 06284 05978 02601 2842 1965 06294 5993", "ciphertext": "4758 0707 06049 01650 5738 06935 00394 00639 3864 01601 01614 06941 2889 01347 01646 4437 0998 01638 01030 4798 04093 01650 06033 00640 01659 1885 4787 05674 01609 01013 4736 04469 1983 02893 01330 1622 4475 0997 01581 5034 4713 03830 07916 0327 03815 5106 2603 0375 0699 1658 6297 2919 01039 00978 2826 5117 2547 1638 5717 6009 06632 05983 01584 4173 6594 3788 06343 2897 05043 3844 01646 0385 3818 05056 02572 0357 0643 1624 06284 05978 02601 2842 1965 06294 5993", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "playfair-v2-0478", "text": "AELRBOODTUEFXDRCYCIRKZ", "ciphertext": "AELRBOODTUEFXDRCYCIRKZ", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011899", "text": "11 43 13 54 44 11 31 15 24 43 11 42 34 14 45 43 15 14 12 54 43 35 11 42 44 11 33 43 44 34 15 33 13 42 54 35 44 32 15 43 43 11 22 15 43", "ciphertext": "11 43 13 54 44 11 31 15 24 43 11 42 34 14 45 43 15 14 12 54 43 35 11 42 44 11 33 43 44 34 15 33 13 42 54 35 44 32 15 43 43 11 22 15 43", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0011310", "text": "THOA UUNW ANDU MISP OETS HAEA ETLX RSBX OERS HONG ASLL DPLU", "ciphertext": "THOA UUNW ANDU MISP OETS HAEA ETLX RSBX OERS HONG ASLL DPLU", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "DRAGON"}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "nihilist-v2-0295", "text": "36 59 80 63 35 48 43 67 57 59 36 36 67 63 56 47 88 23 67 68 46 25 39 88 25 55 36 44 67 56 88 22 65 47 55 24 68 88 25 25 50 75 27 56 56 23 67 50 55 55 45 88 44 56 37 86 56 28 56 54 44 48 86 36 56 76 34 54 77 55 67 59", "ciphertext": "36 59 80 63 35 48 43 67 57 59 36 36 67 63 56 47 88 23 67 68 46 25 39 88 25 55 36 44 67 56 88 22 65 47 55 24 68 88 25 25 50 75 27 56 56 23 67 50 55 55 45 88 44 56 37 86 56 28 56 54 44 48 86 36 56 76 34 54 77 55 67 59", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 215, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0554", "text": "VJPLRORRMPPQVQYRA", "ciphertext": "VJPLRORRMPPQVQYRA", "plaintext": "OLD IRONSIDES HOLDS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0126", "text": "XFUIFQFPQMFPGUIFVOJUFETUBUFTJOPSEFSUPGPSNBNPSFQFSGFDUVOJPOFTUBCMJTIKVTUJDFJOTVSFEPNFTUJDUSBORVJMJUZQSPWJEFGPSUIFDPNNPOEFGFOTFQSPNPUFUIFHFOFSBMXFMGBSFBOETFDVSFUIFCMFTTJOHTPGMJCFSUZ", "ciphertext": "XFUIFQFPQMFPGUIFVOJUFETUBUFTJOPSEFSUPGPSNBNPSFQFSGFDUVOJPOFTUBCMJTIKVTUJDFJOTVSFEPNFTUJDUSBORVJMJUZQSPWJEFGPSUIFDPNNPOEFGFOTFQSPNPUFUIFHFOFSBMXFMGBSFBOETFDVSFUIFCMFTTJOHTPGMJCFSUZ", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0446", "text": "FKUOOQBVFJDMOZGRAQBWKCJGVBJGTRSYLXRCOQWGCJANDADTQIQRIHWTTRNVEKIKUYSJGWGYZRIW", "ciphertext": "FKUOOQBVFJDMOZGRAQBWKCJGVBJGTRSYLXRCOQWGCJANDADTQIQRIHWTTRNVEKIKUYSJGWGYZRIW", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0190", "text": "YOXMAYQRQOBIBVKMVKUWBNFMRCZTDBOCIMBTEGAHVJNBVNFMRDBRLIQKUUFDEGEMHYAEUOVJBGN", "ciphertext": "YOXMAYQRQOBIBVKMVKUWBNFMRCZTDBOCIMBTEGAHVJNBVNFMRDBRLIQKUUFDEGEMHYAEUOVJBGN", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014742", "text": "EVERY SYSTE MNEEX SANHO NESTX HREAX MODEL", "ciphertext": "EVERY SYSTE MNEEX SANHO NESTX HREAX MODEL", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0015209", "text": "TROOP HENCE ENEMY TRACK ROUTE INTEL THREE HOURS EXTRA MIXED INCUR UPPER SWIFT CAUSE INCUR POSTS HOUSE EARLY RIGHT AGAIN DAILY VAGUE ARRAY NEEDS COVER", "ciphertext": "TROOP HENCE ENEMY TRACK ROUTE INTEL THREE HOURS EXTRA MIXED INCUR UPPER SWIFT CAUSE INCUR POSTS HOUSE EARLY RIGHT AGAIN DAILY VAGUE ARRAY NEEDS COVER", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "affine-fr-002", "text": "QXNZ GFQXQZ RFZ UFSHGFZ EXNS FUHYFQGFZ FQ FCCFZJFJFZ", "ciphertext": "QXNZ GFQXQZ RFZ UFSHGFZ EXNS FUHYFQGFZ FQ FCCFZJFJFZ", "plaintext": "NOUS TENONS CES VERITES POUR EVIDENTES EN ELLESMEMES", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "7,3"}, "difficulty": "beginner", "language": "fr", "text_length": 45, "length": 52, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018626", "text": "06348 02585 01668 02835 4479 1259 01641 7549 4808 1924 1020 04716 02912 4404 0966 02894 01261 01665 4470 0972 01604 2895 06035 00315 6613 5996 1662 01926 06653 3818 00991 03846 6669 01652 01265 02912 02209 5750 0371 05107 02563 00330 04428 01256 06351 5675 02832 2259 05652 00314 05037 02522 01925 05684 01640 05397 6598 01655 4492 00957 2925 01658 06044 01604 07616 5092 4744 05976 1655 06056 02850 4176 05082 03814 1657 0986 2835 5104 2554 01663 05727 5979", "ciphertext": "06348 02585 01668 02835 4479 1259 01641 7549 4808 1924 1020 04716 02912 4404 0966 02894 01261 01665 4470 0972 01604 2895 06035 00315 6613 5996 1662 01926 06653 3818 00991 03846 6669 01652 01265 02912 02209 5750 0371 05107 02563 00330 04428 01256 06351 5675 02832 2259 05652 00314 05037 02522 01925 05684 01640 05397 6598 01655 4492 00957 2925 01658 06044 01604 07616 5092 4744 05976 1655 06056 02850 4176 05082 03814 1657 0986 2835 5104 2554 01663 05727 5979", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 82, "length": 82, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "chaocipher-v2-0619", "text": "EXPDSWOGIKLZGGVCXUVCHSSTIAJWCGUXFXRBZLUSKZJRQXGTPQGATICGHRHDNSDBIYIARMUZYMQPLSKJKRQRYSFIKYHQLZDDSDXEZTZXYJRZRYVHBMSQZHRELKEFGAPGLJRXJJQHTTGEDMLZISKPBJZSISZRKAUFS", "ciphertext": "EXPDSWOGIKLZGGVCXUVCHSSTIAJWCGUXFXRBZLUSKZJRQXGTPQGATICGHRHDNSDBIYIARMUZYMQPLSKJKRQRYSFIKYHQLZDDSDXEZTZXYJRZRYVHBMSQZHRELKEFGAPGLJRXJJQHTTGEDMLZISKPBJZSISZRKAUFS", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0027", "text": "GXFRGBLWITRDQRLKAPNC", "ciphertext": "GXFRGBLWITRDQRLKAPNC", "plaintext": "THE COMPASS POINTS TRUE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0206", "text": "09908 09996 09993 09996 09993 09999 09910 09993 09902 09907 09992 09993 09991 09900 09999 09906 09993 09908 09996 09993 09995 09900 09903 09906 09913 09903 09994 09995 09903 09992 09999 09902 09992 09908 09996 09993 09994 09997 09906 09901 09999 09901 09993 09902 09908 09907 09996 09903 09911 09993 09908 09996 09994 09903 09906 09908 09996 09996 09997 09907 09996 09999 09902 09992 09997 09911 09903 09906 09909 09993 09999 09991 09996 09902 09997 09995 09996 09908", "ciphertext": "09908 09996 09993 09996 09993 09999 09910 09993 09902 09907 09992 09993 09991 09900 09999 09906 09993 09908 09996 09993 09995 09900 09903 09906 09913 09903 09994 09995 09903 09992 09999 09902 09992 09908 09996 09993 09994 09997 09906 09901 09999 09901 09993 09902 09908 09907 09996 09903 09911 09993 09908 09996 09994 09903 09906 09908 09996 09996 09997 09907 09996 09999 09902 09992 09997 09911 09903 09906 09909 09993 09999 09991 09996 09902 09997 09995 09996 09908", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 390, "length": 467, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021227", "text": "ROUT ECIP HERS REXD AGRZ DINA ZRES CZIB EDZE OMEX RICP ATTE RZTH EBXS TLEX SONS ZHOW WXER ETHE METH ODFA ILSD IFFI EAXD HELZ MANI NTRO DUCE DPUB LICK EYCR ZPTO GXAP HYIN NINZ TEEN XEVE NXYS IXPO LYBX USEN CODE DLET TERS ASPA IRSO ZNUM BERS FRXM ONEX OFIV E", "ciphertext": "ROUT ECIP HERS REXD AGRZ DINA ZRES CZIB EDZE OMEX RICP ATTE RZTH EBXS TLEX SONS ZHOW WXER ETHE METH ODFA ILSD IFFI EAXD HELZ MANI NTRO DUCE DPUB LICK EYCR ZPTO GXAP HYIN NINZ TEEN XEVE NXYS IXPO LYBX USEN CODE DLET TERS ASPA IRSO ZNUM BERS FRXM ONEX OFIV E", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE BEST LESSONS SHOW WHERE THE METHOD FAILS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 205, "length": 205, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "gronsfeld-v3-0077", "text": "USBEFDSBGUJTUIFBSUPGDPOEVDUJOHDPWFSUPQFSBUJPOTXJUIPVUBMFSUJOHUIFPQQPTJUJPOUPZPVSQSFTFODF", "ciphertext": "USBEFDSBGUJTUIFBSUPGDPOEVDUJOHDPWFSUPQFSBUJPOTXJUIPVUBMFSUJOHUIFPQQPTJUJPOUPZPVSQSFTFODF", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017608", "text": ". ....  ... ....  ... ...  ... ....  .... ....  . ...  ... ....  ... ...  .. .  .... .....  .... ...  . .....  ... ....  . ..  .. .  .... .....  .... ...  . ...  . .  .... ....  .. ....  ... ....  ... ...  ..... ..  .. ....  .... ....  .. ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...", "ciphertext": ". ....  ... ....  ... ...  ... ....  .... ....  . ...  ... ....  ... ...  .. .  .... .....  .... ...  . .....  ... ....  . ..  .. .  .... .....  .... ...  . ...  . .  .... ....  .. ....  ... ....  ... ...  ..... ..  .. ....  .... ....  .. ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "scytale-v2-0350", "text": "LELVELUOELAGEENESUSILUPRIUJRHBIIESRRUTORBDUUMESOMEEAPNETTUMSRNLAIPESEXTTEVLLPLSX", "ciphertext": "LELVELUOELAGEENESUSILUPRIUJRHBIIESRRUTORBDUUMESOMEEAPNETTUMSRNLAIPESEXTTEVLLPLSX", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004292", "text": "TWUE REAG ERAH ATPA DRND ENES NUSE EFIN XMHO BTSF ASOX EITL REUI ATXS DSIU RLLP AXSD ECCV DCOS XAEC ITEE LSLX GNUN USSO TOXE BRFR CISU GX", "ciphertext": "TWUE REAG ERAH ATPA DRND ENES NUSE EFIN XMHO BTSF ASOX EITL REUI ATXS DSIU RLLP AXSD ECCV DCOS XAEC ITEE LSLX GNUN USSO TOXE BRFR CISU GX", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "scytale", "cipher": "scytale", "key": {"cols": 10}, "difficulty": "hard", "language": "en", "text_length": 110, "length": 110, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "cda-0003745", "text": "RXU GRQESY YEWDWLG KGGB HWLKTM FW CHGEFG E JWTAKTJDEXGLQI CQVXUT", "ciphertext": "RXU GRQESY YEWDWLG KGGB HWLKTM FW CHGEFG E JWTAKTJDEXGLQI CQVXUT", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "beaufort", "cipher": "beaufort", "key": {"key": "KEY"}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "cda-0009951", "text": "CLTMCTWLTUOECLAIADREYXRIECPSSHHRTSXXSYNWEICRHSMLXXOAEYSA", "ciphertext": "CLTMCTWLTUOECLAIADREYXRIECPSSHHRTSXXSYNWEICRHSMLXXOAEYSA", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS SLOWLY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v3-0107", "text": "8329237495436207210614342322976", "ciphertext": "8329237495436207210614342322976", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 31, "length": 31, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0283", "text": "ESPUZFCYPJZQLESZFDLYOXTWPDMPRTYDHTESLDTYRWPDEPALDWLZEKFHCZEPWZYRLRZTYNSTYL", "ciphertext": "ESPUZFCYPJZQLESZFDLYOXTWPDMPRTYDHTESLDTYRWPDEPALDWLZEKFHCZEPWZYRLRZTYNSTYL", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013840", "text": "6370 2566 01652 1274 1607 06291 1654 00999 06345 02911 06997 1587 06018 6360 06619 01346 02840 1580 6005 05037 00335 06316 6335 01614 05668 04421 06027 0639 1571 01918 04710 5687 01597 04122 00385 3506 02891 4484 02267 0985 03787 00366 2855 4125 5983 01627 06929 1613 05725 07863 5990 7894 06045 6318 1610 04157 4479 01667 01647 1274 5972 00401 04467 2584 04718 04465 01613 5996 6375 6315 2580 05694 1597 0387 06317 4112 04754 01303 01642 3774 6366 2555 01586 6960 02836 2283 01597 04402 01582 5672 1649 00974 2917 05033 02566 1586 05658 6687 06055 1606 05998 00345 5678 01577 5094 01583 0353 06379 02907 04456 02269 3533 1626 07909 07234 4741 05706 01284 06288 04727 1307 00323 07924", "ciphertext": "6370 2566 01652 1274 1607 06291 1654 00999 06345 02911 06997 1587 06018 6360 06619 01346 02840 1580 6005 05037 00335 06316 6335 01614 05668 04421 06027 0639 1571 01918 04710 5687 01597 04122 00385 3506 02891 4484 02267 0985 03787 00366 2855 4125 5983 01627 06929 1613 05725 07863 5990 7894 06045 6318 1610 04157 4479 01667 01647 1274 5972 00401 04467 2584 04718 04465 01613 5996 6375 6315 2580 05694 1597 0387 06317 4112 04754 01303 01642 3774 6366 2555 01586 6960 02836 2283 01597 04402 01582 5672 1649 00974 2917 05033 02566 1586 05658 6687 06055 1606 05998 00345 5678 01577 5094 01583 0353 06379 02907 04456 02269 3533 1626 07909 07234 4741 05706 01284 06288 04727 1307 00323 07924", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE VIGENERE CIPHER USES A REPEATING KEYWORD TODAY", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 123, "length": 123, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "kl7-v3-0382", "text": "IWUVPVPVBSGCBWLOMUYAANDLGYSQWYNMRCBQRKKSXLMSLOTLGCBEGPSVDGNAJMGCXJSDRECDZC", "ciphertext": "IWUVPVPVBSGCBWLOMUYAANDLGYSQWYNMRCBQRKKSXLMSLOTLGCBEGPSVDGNAJMGCXJSDRECDZC", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011181", "text": "NTPB RENP SEUR RXIE ARGS ORON MPCS FETN XLEC SRDP SSDI OEWQ TAUE PREL ILSU AAIP NOHE UXXD UPDA SMLI HHLX HHTE AEOG AGHI SA", "ciphertext": "NTPB RENP SEUR RXIE ARGS ORON MPCS FETN XLEC SRDP SSDI OEWQ TAUE PREL ILSU AAIP NOHE UXXD UPDA SMLI HHLX HHTE AEOG AGHI SA", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "FREEDOM"}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "jn25-v2-0248", "text": "09908 09997 09901 09993 09907 09999 09906 09993 09990 09999 09992 09991 09996 09997 09900 09992 09906 09993 09902 09902 09903 09900 09903 09902 09995 09993 09906 09903 09990 09993 09913 09908 09996 09993 09997 09906 09904 09999 09906 09993 09902 09908 09907 09999 09902 09992 09993 09910 09993 09906 09913 09903 09902 09993 09997 09907 09911 09906 09997 09908 09997 09902 09995 09999 09990 09903 09903 09909 09997 09908 09907 09993 09993 09901 09907 09908 09903 09901 09993 09908 09996 09999 09908 09908 09996 09993 09913 09903 09919 09902 09995 09996 09999 09910 09993 09999 09900 09911 09999 09913 09907 09999 09902 09992 09911 09997 09900 09900 09999 09900 09911 09999 09913 09907 09990 09993 09999 09902 09919 09902 09906 09919 09900 09913 09995 09993 09902 09993 09906 09999 09908 09997 09903 09902 09994 09919 09900 09900 09903 09994 09994 09903 09903 09900 09997 09907 09996 09902 09993 09907 09907", "ciphertext": "09908 09997 09901 09993 09907 09999 09906 09993 09990 09999 09992 09991 09996 09997 09900 09992 09906 09993 09902 09902 09903 09900 09903 09902 09995 09993 09906 09903 09990 09993 09913 09908 09996 09993 09997 09906 09904 09999 09906 09993 09902 09908 09907 09999 09902 09992 09993 09910 09993 09906 09913 09903 09902 09993 09997 09907 09911 09906 09997 09908 09997 09902 09995 09999 09990 09903 09903 09909 09997 09908 09907 09993 09993 09901 09907 09908 09903 09901 09993 09908 09996 09999 09908 09908 09996 09993 09913 09903 09919 09902 09995 09996 09999 09910 09993 09999 09900 09911 09999 09913 09907 09999 09902 09992 09911 09997 09900 09900 09999 09900 09911 09999 09913 09907 09990 09993 09999 09902 09919 09902 09906 09919 09900 09913 09995 09993 09902 09993 09906 09999 09908 09997 09903 09902 09994 09919 09900 09900 09903 09994 09994 09903 09903 09900 09997 09907 09996 09902 09993 09907 09907", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 755, "length": 905, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v3-0001", "text": "44 23 15 34 42 11 13 31 15 23 11 43 43 35 34 25 15 33", "ciphertext": "44 23 15 34 42 11 13 31 15 23 11 43 43 35 34 25 15 33", "plaintext": "THE ORACLE HAS SPOKEN", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015962", "text": "ALANT URINZ BROKE ENIGM AWITH CRIBZ ANDTH EBOMB EMACH INETX ANSPO SITIZ NCIPH ERSRZ ARRAN GELEX TERSZ ITHOU TSUBS TITUX IONFZ ILCLO SEDIX APOSZ URENZ TASLX GANDX", "ciphertext": "ALANT URINZ BROKE ENIGM AWITH CRIBZ ANDTH EBOMB EMACH INETX ANSPO SITIZ NCIPH ERSRZ ARRAN GELEX TERSZ ITHOU TSUBS TITUX IONFZ ILCLO SEDIX APOSZ URENZ TASLX GANDX", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "kl7-v3-0201", "text": "CNROSZGYLTRWFNGARVTUIARTPDMGZZWWBBTSWOFUOVVDTDOAAHIRLLZDKBRQDJYOITOGGMOLKQBDTBVKBTKKIMSPFLAEUKXQMRBWRNHIBRBABJFFFAGWYFTALBRQFVWYPKTZTWUREHQLPCESVGDASHQFCTGAVGB", "ciphertext": "CNROSZGYLTRWFNGARVTUIARTPDMGZZWWBBTSWOFUOVVDTDOAAHIRLLZDKBRQDJYOITOGGMOLKQBDTBVKBTKKIMSPFLAEUKXQMRBWRNHIBRBABJFFFAGWYFTALBRQFVWYPKTZTWUREHQLPCESVGDASHQFCTGAVGB", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 159, "length": 159, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0310", "text": "NFSAOEOHASMNSUVDUWOOYELELMTMSTVSREACUYOAIINICBSRNFCLHDOBTEOFOEFWHNWE", "ciphertext": "NFSAOEOHASMNSUVDUWOOYELELMTMSTVSREACUYOAIINICBSRNFCLHDOBTEOFOEFWHNWE", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-es-018", "text": "NZH EZOV GZIWV JFV MFMXZ", "ciphertext": "NZH EZOV GZIWV JFV MFMXZ", "plaintext": "MAS VALE TARDE QUE NUNCA", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "es", "text_length": 20, "length": 24, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-es-023", "text": "YXZNAEOXETNRPUDHSR", "ciphertext": "YXZNAEOXETNRPUDHSR", "plaintext": "EL QUE NO LLORA NO MAMA", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "es", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-0749", "text": "EPFTIBLEQOKGKCDADLRGEPABPC", "ciphertext": "EPFTIBLEQOKGKCDADLRGEPABPC", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017141", "text": "44 23 15 31 24 12 42 11 42 54 35 42 15 43 15 42 51 15 43 25 33 34 52 31 15 14 22 15 21 34 42 44 23 15 13 34 32 32 45 33 24 44 54 35 45 12 31 24 13 24 33 21 42 11 43 44 42 45 13 44 45 42 15 14 15 43 15 42 51 15 43 13 11 42 15 21 45 31 14 15 43 24 22 33", "ciphertext": "44 23 15 31 24 12 42 11 42 54 35 42 15 43 15 42 51 15 43 25 33 34 52 31 15 14 22 15 21 34 42 44 23 15 13 34 32 32 45 33 24 44 54 35 45 12 31 24 13 24 33 21 42 11 43 44 42 45 13 44 45 42 15 14 15 43 15 42 51 15 43 13 11 42 15 21 45 31 14 15 43 24 22 33", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "wheatstone-v2-0195", "text": "MKNAUPMKLJFDKFCETDRALRYWEFIAFPMKDARADWALHLKDWALRYMVARJLKYLQULFKTVMIUJAMBIMRA", "ciphertext": "MKNAUPMKLJFDKFCETDRALRYWEFIAFPMKDARADWALHLKDWALRYMVARJLKYLQULFKTVMIUJAMBIMRA", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-171", "text": "WIRFIHORYIKDODMIECNNEPNRNKIIOTOEENTTTONLNGWIASYTAFLSAOOEVYCC", "ciphertext": "WIRFIHORYIKDODMIECNNEPNRNKIIOTOEENTTTONLNGWIASYTAFLSAOOEVYCC", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-158", "text": "LJFTRGRNYTPXTAMEPQWJQTPJQTPJBSGWHLVEVRGEBXVPJ", "ciphertext": "LJFTRGRNYTPXTAMEPQWJQTPJQTPJBSGWHLVEVRGEBXVPJ", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "stager-route-v2-0458", "text": "TCYFWHHNAEIOLHEAFRTNIGDHMGRHEEOAFIHTWOMDTAVHAEROXXRTNNEENGDTHKXXEHSTLSDOHHIAXXCSOERE", "ciphertext": "TCYFWHHNAEIOLHEAFRTNIGDHMGRHEEOAFIHTWOMDTAVHAEROXXRTNNEENGDTHKXXEHSTLSDOHHIAXXCSOERE", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0082", "text": "RPSPKLBTXQQSPXFPIPKREICKALFQBMTPAIQKRQCTZACZMPWTLYWRICLGUGGZBMUHORCGBSRMOXGGWWS", "ciphertext": "RPSPKLBTXQQSPXFPIPKREICKALFQBMTPAIQKRQCTZACZMPWTLYWRICLGUGGZBMUHORCGBSRMOXGGWWS", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0549", "text": "OPGBWEWFGOACBWDIDOIO", "ciphertext": "OPGBWEWFGOACBWDIDOIO", "plaintext": "THE REDCOATS ARE COMING", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-v3-0092", "text": "00032 00004 00000 99999 90002 90014 90020 90017 90018 90004 99998 00001 99999 90007 90020 90012 90000 90013 99998 99999 90004 90021 90004 90013 90019 90018 99998 00009 99999 90001 90004 90002 90014 90012 90004 90018 99998 99999 90013 90004 90002 90004 90018 90018 90000 90017 90024 99998 00008 00026 00058 00003 99999 90003 90008 90018 90018 90014 90011 90021 90004 99998 00000 99999 90015 90014 90011 90008 90019 90008 90002 90000 90011 99998 99999 90001 90000 90013 90003 90018 99998 00025 00022 99999 90002 90014 90013 90013 90004 90002 90019 90004 90003 99998 00065 00010 99999 90000 90013 90014 90019 90007 90004 90017 99998 00024 99999 90018 90007 90014 90020 90011 90003 99998 99999 90003 90004 90002 90011 90000 90017 90004 99998 00000 99999 90002 90000 90020 90018 90004 90018 99998 00025 99999 90008 90012 90015 90004 90011 99998 00000 99999 90018 90004 90015 90000 90017 90000 90019 90008 90014 90013 99998", "ciphertext": "00032 00004 00000 99999 90002 90014 90020 90017 90018 90004 99998 00001 99999 90007 90020 90012 90000 90013 99998 99999 90004 90021 90004 90013 90019 90018 99998 00009 99999 90001 90004 90002 90014 90012 90004 90018 99998 99999 90013 90004 90002 90004 90018 90018 90000 90017 90024 99998 00008 00026 00058 00003 99999 90003 90008 90018 90018 90014 90011 90021 90004 99998 00000 99999 90015 90014 90011 90008 90019 90008 90002 90000 90011 99998 99999 90001 90000 90013 90003 90018 99998 00025 00022 99999 90002 90014 90013 90013 90004 90002 90019 90004 90003 99998 00065 00010 99999 90000 90013 90014 90019 90007 90004 90017 99998 00024 99999 90018 90007 90014 90020 90011 90003 99998 99999 90003 90004 90002 90011 90000 90017 90004 99998 00000 99999 90002 90000 90020 90018 90004 90018 99998 00025 99999 90008 90012 90015 90004 90011 99998 00000 99999 90018 90004 90015 90000 90017 90000 90019 90008 90014 90013 99998", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 765, "length": 917, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009440", "text": "DP PRX HUUNDCP AOTJITSMCJJ TGSH FPFVDVAQXX", "ciphertext": "DP PRX HUUNDCP AOTJITSMCJJ TGSH FPFVDVAQXX", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-v2-0321", "text": "ZYNPFAZYLXTOYTRSEOCPLCJHSTWPTAZYOPCPOHPLVLYOHPLCJZGPCXLYJLBFLTYEGZWFXPZQWZCP", "ciphertext": "ZYNPFAZYLXTOYTRSEOCPLCJHSTWPTAZYOPCPOHPLVLYOHPLCJZGPCXLYJLBFLTYEGZWFXPZQWZCP", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-080", "text": "REVGRIHGEVLWBQMYO", "ciphertext": "REVGRIHGEVLWBQMYO", "plaintext": "CRYPTOGRAPHY RULES", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-v3-0306", "text": "97 46 59 63 25 85 25 80 54 23 83 56 48 45 56 96 37 67 33 23 83 38 79 33 47 87", "ciphertext": "97 46 59 63 25 85 25 80 54 23 83 56 48 45 56 96 37 67 33 23 83 38 79 33 47 87", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 52, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018742", "text": "DIBEH DZEHM OASIN ODAIH GAHTK INTHA NZIET SAHAS ZIHMO ASIDI BEHYA ZZIEW OLLAC HEETK INNAA STSOS IDIBE HDIBE HLINA KHANO DAIHD IBEHY AZZIE BESHU SHDZE HTHAN ZIEDZ EHDIB EHTHA NZIED ZEHBE NODAI HTSAH BEDZE HGAHD IBEHM OASIG AHNOD AIHTH ANZIE TKINT SAH", "ciphertext": "DIBEH DZEHM OASIN ODAIH GAHTK INTHA NZIET SAHAS ZIHMO ASIDI BEHYA ZZIEW OLLAC HEETK INNAA STSOS IDIBE HDIBE HLINA KHANO DAIHD IBEHY AZZIE BESHU SHDZE HTHAN ZIEDZ EHDIB EHTHA NZIED ZEHBE NODAI HTSAH BEDZE HGAHD IBEHM OASIG AHNOD AIHTH ANZIE TKINT SAH", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 208, "length": 208, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v2-1287", "text": "BLKLP COLVA CII", "ciphertext": "BLKLP COLVA CII", "plaintext": "HONOR ABOVE ALL", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013488", "text": "2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20 1 19 3 25 20 1 12 5 9 19 1 18 15 4 21 19 5 4 2 25 19 16 1 18 20 1 14 19 20 15 5 14 3 18 25 16 20 13 5 19 19 1 7 5 19", "ciphertext": "2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20 1 19 3 25 20 1 12 5 9 19 1 18 15 4 21 19 5 4 2 25 19 16 1 18 20 1 14 19 20 15 5 14 3 18 25 16 20 13 5 19 19 1 7 5 19", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ATBASH ENCODES BY REVERSING THE ALPHABET A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0012889", "text": "K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ r· Γ· └ └ r Γ· ┐· r· L ┌· X· X L X └ Γ· ─ L ⌐ ┌· ⌐ └ ¬· L ¬ ┌· ⌐ K ┘· L ─ r ┌· ⌒· ┐· K ¬ └ ┘· r ┐ X ┘· ⌐· └ L K K L ┌· X ┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─", "ciphertext": "K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ r· Γ· └ └ r Γ· ┐· r· L ┌· X· X L X └ Γ· ─ L ⌐ ┌· ⌐ └ ¬· L ¬ ┌· ⌐ K ┘· L ─ r ┌· ⌒· ┐· K ¬ └ ┘· r ┐ X ┘· ⌐· └ L K K L ┌· X ┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0003621", "text": "RXXFX PFXXRPIQFS USK KRIRPIQFS UXR EMSKUHRSIUG IF VRPMXR VJVIRHV LFFK RKMPUIQFSUG IFFGV RONGUQS IARQX GQHQIV", "ciphertext": "RXXFX PFXXRPIQFS USK KRIRPIQFS UXR EMSKUHRSIUG IF VRPMXR VJVIRHV LFFK RKMPUIQFSUG IFFGV RONGUQS IARQX GQHQIV", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "UWPKRELAQDYGHSFNBXVIMTCOJZ"}, "difficulty": "hard", "language": "en", "text_length": 94, "length": 94, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "playfair-v3-0015", "text": "UGLUOPHCHPBNMT", "ciphertext": "UGLUOPHCHPBNMT", "plaintext": "THE SIEGE BEGINS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0461", "text": "EFTRRFMDSOPDONGQNUSKGCSBRSONGMCIIQLEFTLIPHIADLSIIQISCKGAHDLETBASLIUGIYRSSIIQSBCKCOISASALSKIQSBCKCOTKGIMHLISRGCCRSKIQONLSCIIQAFYKSBRSRPDDUQUHSADFITDDDGGSKQOLRMGMOSPATGLOFULFZTHBEGAY", "ciphertext": "EFTRRFMDSOPDONGQNUSKGCSBRSONGMCIIQLEFTLIPHIADLSIIQISCKGAHDLETBASLIUGIYRSSIIQSBCKCOISASALSKIQSBCKCOTKGIMHLISRGCCRSKIQONLSCIIQAFYKSBRSRPDDUQUHSADFITDDDGGSKQOLRMGMOSPATGLOFULFZTHBEGAY", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 180, "length": 180, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011970", "text": "52 76 99 45 25 35 76 99 61 14 11 22 26 67 46 32 43 21 2 60 93 76 81 86 59 91 88 33 81 35 3 92 63 91 93 76 15 17 14 4 27 15 3 33 2 52 27 67 30 23 26 32 60 63 14 68 11 88 26 32 39 64 11 17 26 78 2 96 96 3 33 2 50 72 70 59 81 57 43 60 33 63 43", "ciphertext": "52 76 99 45 25 35 76 99 61 14 11 22 26 67 46 32 43 21 2 60 93 76 81 86 59 91 88 33 81 35 3 92 63 91 93 76 15 17 14 4 27 15 3 33 2 52 27 67 30 23 26 32 60 63 14 68 11 88 26 32 39 64 11 17 26 78 2 96 96 3 33 2 50 72 70 59 81 57 43 60 33 63 43", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "m209-252", "text": "AVOXXMTYFAXBRVYY", "ciphertext": "AVOXXMTYFAXBRVYY", "plaintext": "CIPHER KEY CHANGED", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ENIGMA"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geheimschreiber-v2-0212", "text": "UJPEDRWJSRREEUKNKTQHOYSOAWFLVFURVDMXFLYGQNXITHGVXYPORPBVJHORQQACIIXEYOLINOQGZXN", "ciphertext": "UJPEDRWJSRREEUKNKTQHOYSOAWFLVFURVDMXFLYGQNXITHGVXYPORPBVJHORQQACIIXEYOLINOQGZXN", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0384", "text": "JWXLODIXMYSNN", "ciphertext": "JWXLODIXMYSNN", "plaintext": "THE PASS IS HELD", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0720", "text": "PFQBSLTPHBFFHTOYTVGILTFEAVPXTFLSJSODPTRSTABFFSMTHTHGLIMQIRNSPHSTOSUHBFLISUNUPLXEIRTLFSTOHBLTOHSGPHBPHTHIBTEMLIYJITSLTIBPEMHSOTQEHAPPIMTVLQSATIPNJTEPILPVTSNTFSPIVFMPM", "ciphertext": "PFQBSLTPHBFFHTOYTVGILTFEAVPXTFLSJSODPTRSTABFFSMTHTHGLIMQIRNSPHSTOSUHBFLISUNUPLXEIRTLFSTOHBLTOHSGPHBPHTHIBTEMLIYJITSLTIBPEMHSOTQEHAPPIMTVLQSATIPNJTEPILPVTSNTFSPIVFMPM", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 71}, "difficulty": "advanced", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-012", "text": "XRKSVI PVB XSZMTVW", "ciphertext": "XRKSVI PVB XSZMTVW", "plaintext": "CIPHER KEY CHANGED", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v3-0345", "text": "BHFBJFPEFPZJ", "ciphertext": "BHFBJFPEFPZJ", "plaintext": "YANKEE DOODLE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-097", "text": "ORPNRIXFVHNHOIPZMTOUQVKZMZLVKITNYSQYGUWMQR", "ciphertext": "ORPNRIXFVHNHOIPZMTOUQVKZMZLVKITNYSQYGUWMQR", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0504", "text": "WNRCUTVEEEOEITTSIIFNCFTTOUTCDEEULHEFNITENRRIEDOICRFSAEBPSROEAOELTEETMNINRPWHROAAENQTREETPTMSSUHOLBYLEOTUIEMFLXESRARLCOAEXOIEBEIOTRSXFNPLDTMEESXTOEIOYMTAIXHRRSMPOHNNXEDFHERNEDGXUEEJSODGSSX", "ciphertext": "WNRCUTVEEEOEITTSIIFNCFTTOUTCDEEULHEFNITENRRIEDOICRFSAEBPSROEAOELTEETMNINRPWHROAAENQTREETPTMSSUHOLBYLEOTUIEMFLXESRARLCOAEXOIEBEIOTRSXFNPLDTMEESXTOEIOYMTAIXHRRSMPOHNNXEDFHERNEDGXUEEJSODGSSX", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 187, "length": 187, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015443", "text": "OTAII NCHOR OXEDO TAIIN KAIII NSHOR DALCH EOLDA INYQO KEDYQ OKEDY CHORC HOLSH EEDYS HORSH ALYTA IINOT AIINC TAIIN OTAII NRCHE OLOTA IINQO TEDYY TEDYD AIIND ARALD ARALO RORRC HEOLO KALQO KEDYD ARALC HEOLO KAINY TAIIN SHEED YAIII NCTAI INORO RDARA LQOTE DYCHO LOTAI N", "ciphertext": "OTAII NCHOR OXEDO TAIIN KAIII NSHOR DALCH EOLDA INYQO KEDYQ OKEDY CHORC HOLSH EEDYS HORSH ALYTA IINOT AIINC TAIIN OTAII NRCHE OLOTA IINQO TEDYY TEDYD AIIND ARALD ARALO RORRC HEOLO KALQO KEDYD ARALC HEOLO KAINY TAIIN SHEED YAIII NCTAI INORO RDARA LQOTE DYCHO LOTAI N", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 221, "length": 221, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0490", "text": "ONNAOEEEEVAEFTIUNEIEEEOMFKEBCLWATWHDMERCGEREMLTHRYLEEOUWEHRSAWEEEBNRNOMEMIIEIRAATMDAEABCKBTCENUERCSYEEEWARALTUNNNHFWUUSSAVHSALAMESEIENNWWTSEPWAAESTASTW", "ciphertext": "ONNAOEEEEVAEFTIUNEIEEEOMFKEBCLWATWHDMERCGEREMLTHRYLEEOUWEHRSAWEEEBNRNOMEMIIEIRAATMDAEABCKBTCENUERCSYEEEWARALTUNNNHFWUUSSAVHSALAMESEIENNWWTSEPWAAESTASTW", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0438", "text": "TAJPOSSRZLEJDTHDUU", "ciphertext": "TAJPOSSRZLEJDTHDUU", "plaintext": "DEAD MEN TELL NO TALES", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0132", "text": "54 28 56 29 46 65 76 56 68 26 35 58 67 50 54 68", "ciphertext": "54 28 56 29 46 65 76 56 68 26 35 58 67 50 54 68", "plaintext": "ABORT AND WITHDRAW", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-0508", "text": "ABWZU BPM JZMIKP", "ciphertext": "ABWZU BPM JZMIKP", "plaintext": "STORM THE BREACH", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 8}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0117", "text": "56 29 37 39 60 56 76 52 29 25 25 66 84 56 54 26 28 59", "ciphertext": "56 29 37 39 60 56 76 52 29 25 25 66 84 56 54 26 28 59", "plaintext": "DEAD MEN TELL NO TALES", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-002", "text": "..-. .-.. . . / .- - / --- -. -.-. .", "ciphertext": "..-. .-.. . . / .- - / --- -. -.-. .", "plaintext": "FLEE AT ONCE", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 25, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v2-0263", "text": "MCMYZMDZOLTNZC", "ciphertext": "MCMYZMDZOLTNZC", "plaintext": "TARGET ACQUIRED", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-096", "text": "IPTMVIPAGCJHYTBATAILVYNDGPEZUMARFVITOGMITEHEGXAUOMV", "ciphertext": "IPTMVIPAGCJHYTBATAILVYNDGPEZUMARFVITOGMITEHEGXAUOMV", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-179", "text": "TOSARTTITIDRTSOIESTUIOCECHTFIOTLOTEOSATSTELFDEAOIHOAYRUNCIAUCOQIHCNNCOBNETERWRFIIPACTETIAARFENAHAEETFTTRHNTSBEFNRWHANAUTELEAAVMNHEMOATDREOEIJIYCONGD", "ciphertext": "TOSARTTITIDRTSOIESTUIOCECHTFIOTLOTEOSATSTELFDEAOIHOAYRUNCIAUCOQIHCNNCOBNETERWRFIIPACTETIAARFENAHAEETFTTRHNTSBEFNRWHANAUTELEAAVMNHEMOATDREOEIJIYCONGD", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v2-0473", "text": "NYTMKUQXGJDEHWCTHWHVRJEBSFKIZKMIXKOHVQMILIYNCVBHWJYCZAVPBXTKAECDDYRMSJTCZFKQLOZACM", "ciphertext": "NYTMKUQXGJDEHWCTHWHVRJEBSFKIZKMIXKOHVQMILIYNCVBHWJYCZAVPBXTKAECDDYRMSJTCZFKQLOZACM", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0342", "text": "PDZFFRWHGMDMKQXKOZFJOQZEMRWWHY", "ciphertext": "PDZFFRWHGMDMKQXKOZFJOQZEMRWWHY", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0205", "text": "RFCUTKQFNGIGUBZSGRPXCPJFYPBWBNVQCQXFMVYTCXZAUGZEAACHUJFYNTAGFBSYOMPUHVRTFEDLRQC", "ciphertext": "RFCUTKQFNGIGUBZSGRPXCPJFYPBWBNVQCQXFMVYTCXZAUGZEAACHUJFYNTAGFBSYOMPUHVRTFEDLRQC", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0337", "text": "QQMFARIDISYAIVJ", "ciphertext": "QQMFARIDISYAIVJ", "plaintext": "CHART THE UNKNOWN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0334", "text": "101 156 179 170 176 156 177 154 154 156 175 103 121 146 121 114 129 152 101 140 149 119 139 175 172 140 117 159 140 114 165 118 162 103 149 134 175 147 139 149 107 141 156 142 156 149 122 152 142 138 180 175 158 111 180 158 119 156 169 179 152 168 108 118", "ciphertext": "101 156 179 170 176 156 177 154 154 156 175 103 121 146 121 114 129 152 101 140 149 119 139 175 172 140 117 159 140 114 165 118 162 103 149 134 175 147 139 149 107 141 156 142 156 149 122 152 142 138 180 175 158 111 180 158 119 156 169 179 152 168 108 118", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 192, "length": 255, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0297", "text": "IKNOWNOTWHATCOURSEOTHERSMAYTAKEBUTASFORMEGIVEMELIBERTYORGIVEMEDEATH", "ciphertext": "IKNOWNOTWHATCOURSEOTHERSMAYTAKEBUTASFORMEGIVEMELIBERTYORGIVEMEDEATH", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020068", "text": "63 22 23 58 3 48 79 66 48 78 2 15 62 58 22 63 3 72 62 14 87 93 67 66 96 49 25 41 4 2 60 25 33 3 93 81 58 48 50 33 82 3 35 94 60 88 22 58 27 59 39 46 22 99 21 23 35 59 63 94 23 3 86 34 59 60 48 11 25 48 53 25 49 81 1 98 66 24 98 1 24 63 27 25 60 23 34 15 62 93 24 58 27 63 17 27 81 64 60 58 59 57 34 2 63 17 46 3 48 36 14 22 99 21 59 23 50 22 53 63 72 50 23 50 59 40 63 30 48 87 49 63 94 33 34 43", "ciphertext": "63 22 23 58 3 48 79 66 48 78 2 15 62 58 22 63 3 72 62 14 87 93 67 66 96 49 25 41 4 2 60 25 33 3 93 81 58 48 50 33 82 3 35 94 60 88 22 58 27 59 39 46 22 99 21 23 35 59 63 94 23 3 86 34 59 60 48 11 25 48 53 25 49 81 1 98 66 24 98 1 24 63 27 25 60 23 34 15 62 93 24 58 27 63 17 27 81 64 60 58 59 57 34 2 63 17 46 3 48 36 14 22 99 21 59 23 50 22 53 63 72 50 23 50 59 40 63 30 48 87 49 63 94 33 34 43", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "wheatstone-126", "text": "MOLCTTRSPMISKKTR", "ciphertext": "MOLCTTRSPMISKKTR", "plaintext": "PROCEED AS PLANNED", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v2-0175", "text": "CNRSAFWAMHFLSSCEQNZEQIVNNLCKTPCYASAHSOFUBZQORNPGEKUWCYKBIPLQXVMAYTQHLH", "ciphertext": "CNRSAFWAMHFLSSCEQNZEQIVNNLCKTPCYASAHSOFUBZQORNPGEKUWCYKBIPLQXVMAYTQHLH", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005897", "text": "DAOLRRQYDEXTMUHEHAUIAXRSBSECEPHTRRRBCETSWRPOHGIIYGYEAISRBPCTTWEPMXASIUCACTTESTEFOSSNCIRHMEBERENIEOIPNTMIRSRCAXCRSAETINEISOPRADDIAOIXLCETONCIUAEHIHNTDLSRIP", "ciphertext": "DAOLRRQYDEXTMUHEHAUIAXRSBSECEPHTRRRBCETSWRPOHGIIYGYEAISRBPCTTWEPMXASIUCACTTESTEFOSSNCIRHMEBERENIEOIPNTMIRSRCAXCRSAETINEISOPRADDIAOIXLCETONCIUAEHIHNTDLSRIP", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "FREEDOM"}, "difficulty": "hard", "language": "en", "text_length": 154, "length": 154, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "bazeries-v3-0165", "text": "APPTPTWYJYFPNBGHTXTUBMYGNITEWYSBYWGJYNOMJMPOHNYXCMQJITKTEYOYBMMTBOMYIBGIOYPQ", "ciphertext": "APPTPTWYJYFPNBGHTXTUBMYGNITEWYSBYWGJYNOMJMPOHNYXCMQJITKTEYOYBMMTBOMYIBGIOYPQ", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v2-0084", "text": "21 42 15 41 45 15 33 13 54 11 33 11 31 54 43 24 43 15 53 35 31 34 24 44 43 44 23 15 21 11 13 44 44 23 11 44 13 15 42 44 11 24 33 31 15 44 44 15 42 43 11 35 35 15 11 42 21 11 42 32 34 42 15 34 21 44 15 33 24 33 15 33 22 31 24 43 23 44 15 53 44", "ciphertext": "21 42 15 41 45 15 33 13 54 11 33 11 31 54 43 24 43 15 53 35 31 34 24 44 43 44 23 15 21 11 13 44 44 23 11 44 13 15 42 44 11 24 33 31 15 44 44 15 42 43 11 35 35 15 11 42 21 11 42 32 34 42 15 34 21 44 15 33 24 33 15 33 22 31 24 43 23 44 15 53 44", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 162, "length": 242, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0335", "text": "WPBXVLKBWJOQYMVWGFAIWMOVEODFOMOIKKIDVABLHEFTPWWAMJHVAQXDOXQRVBXTPIWBAEQLQPVHIQA", "ciphertext": "WPBXVLKBWJOQYMVWGFAIWMOVEODFOMOIKKIDVABLHEFTPWWAMJHVAQXDOXQRVBXTPIWBAEQLQPVHIQA", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0300", "text": "RUEGNSJLRLCKMHMGLHBNQSHTNHNIFLTHBUQRPDQGKZYMEBRKYQQVAFOPNWNDSHHTCZTKAOCQHOSSLSLEVYZZBJFDRKUCEQCKFLFFNDEGYIPNKASUPLPQDVERAEYRJHNCWVWJQBYVEDCBNZLYDBWSBOJQEREVXCLYKBRLUOO", "ciphertext": "RUEGNSJLRLCKMHMGLHBNQSHTNHNIFLTHBUQRPDQGKZYMEBRKYQQVAFOPNWNDSHHTCZTKAOCQHOSSLSLEVYZZBJFDRKUCEQCKFLFFNDEGYIPNKASUPLPQDVERAEYRJHNCWVWJQBYVEDCBNZLYDBWSBOJQEREVXCLYKBRLUOO", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 167, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-093", "text": "THEONLYTHINGWEHAVETOFEARISFEERITSELF", "ciphertext": "THEONLYTHINGWEHAVETOFEARISFEERITSELF", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "polybius-v3-0040", "text": "15 45 42 15 25 11", "ciphertext": "15 45 42 15 25 11", "plaintext": "EUREKA", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0148", "text": "60 18 01 09 12 23 01 25 01 18 18 09 22 05 19", "ciphertext": "60 18 01 09 12 23 01 25 01 18 18 09 22 05 19", "plaintext": "THE RAILWAY ARRIVES", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0956", "text": "EPQXXXDAGOFGZMMWNWQFFHCSXUFOUZSBHTIJZABFBXDSQDSFVFLECSSATMGXUARRNAMUPHZSUOYLY", "ciphertext": "EPQXXXDAGOFGZMMWNWQFFHCSXUFOUZSBHTIJZABFBXDSQDSFVFLECSSATMGXUARRNAMUPHZSUOYLY", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0174", "text": "900626237438022595692523942223921262994142615612923700976529947670986534012423525823965692523", "ciphertext": "900626237438022595692523942223921262994142615612923700976529947670986534012423525823965692523", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 93, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0599", "text": "SIIOISGTORNGRIPNTINONEACCAETCNECLCIRDLOSSNNEAEMNIEVTNFMONGONAOUITILILSNTELVSYIIALESC", "ciphertext": "SIIOISGTORNGRIPNTINONEACCAETCNECLCIRDLOSSNNEAEMNIEVTNFMONGONAOUITILILSNTELVSYIIALESC", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-061", "text": "OLIGUMSTISHHEABV", "ciphertext": "OLIGUMSTISHHEABV", "plaintext": "THE COAST IS CLEAR", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v3-0398", "text": "TRMHQQEHJDJXCWUPPRMIXKODUYFGTCQRJLFPRKLXYICOLOSMCDWKXFCQLUKLHVCGFHRITGVNJWTKOIV", "ciphertext": "TRMHQQEHJDJXCWUPPRMIXKODUYFGTCQRJLFPRKLXYICOLOSMCDWKXFCQLUKLHVCGFHRITGVNJWTKOIV", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-v2-0003", "text": "HPNG XMK SQWO", "ciphertext": "HPNG XMK SQWO", "plaintext": "HOLD THE LINE", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017688", "text": "847 813 813 852 999 852 813 864 826 814 868 999 802 841 810 999 852 812 847 851 844 811 862 807 826 804 825 833 824 859 873 999 838 802 857 857 814 853 999 826 839 999 853 814 856 813 800 853 806 822 999", "ciphertext": "847 813 813 852 999 852 813 864 826 814 868 999 802 841 810 999 852 812 847 851 844 811 862 807 826 804 825 833 824 859 873 999 838 802 857 857 814 853 999 826 839 999 853 814 856 813 800 853 806 822 999", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "wheatstone-149", "text": "ILCHRLWKSIIBSQTP", "ciphertext": "ILCHRLWKSIIBSQTP", "plaintext": "LOCK DOWN ALL GATES", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v3-0465", "text": "SMLCJQVSTPWEJXFALTASDQVLSGCIEGSTENASMJRFEDWNTVMSIRTRJXTPVMAAGMJPQARAENTQALJPAPSATPXFO", "ciphertext": "SMLCJQVSTPWEJXFALTASDQVLSGCIEGSTENASMJRFEDWNTVMSIRTRJXTPVMAAGMJPQARAENTQALJPAPSATPXFO", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0963", "text": "ICPCACEUWGRMKY", "ciphertext": "ICPCACEUWGRMKY", "plaintext": "HONOR ABOVE ALL", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-155", "text": "JDZFLXZHBRGPSQOCDSEDIHUQAOAJQWUBHWUJCRCWSY", "ciphertext": "JDZFLXZHBRGPSQOCDSEDIHUQAOAJQWUBHWUJCRCWSY", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-231", "text": "RYGBDECMEQZTGBEPSYCQYUGPHSKQGYQZKOEREJKGWQVKGPJQYSYJVGYUDQVK", "ciphertext": "RYGBDECMEQZTGBEPSYCQYUGPHSKQGYQZKOEREJKGWQVKGPJQYSYJVGYUDQVK", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-278", "text": "GGRSGCTTKIGNNNDNSSEQDRSQNEENNOGTKRSGHQLIQBNFGCENQDNAXQHSSDBTNOXNOHVFGHKTDLEDTISKGEFRXTAEAQSHQTTERETIBMICDAYAXQGWUQIERRGQGAQAKKEHTETODTESMHYBIHQGQEQIIUXPEPA", "ciphertext": "GGRSGCTTKIGNNNDNSSEQDRSQNEENNOGTKRSGHQLIQBNFGCENQDNAXQHSSDBTNOXNOHVFGHKTDLEDTISKGEFRXTAEAQSHQTTERETIBMICDAYAXQGWUQIERRGQGAQAKKEHTETODTESMHYBIHQGQEQIIUXPEPA", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "advanced", "language": "en", "text_length": 155, "length": 155, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022025", "text": "ILFGV XRKSVIH IVZW Z TIRW RM Z KIVHXIRYVW TVLNVGIRX KZGGVIM XZIVUFOOB", "ciphertext": "ILFGV XRKSVIH IVZW Z TIRW RM Z KIVHXIRYVW TVLNVGIRX KZGGVIM XZIVUFOOB", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN CAREFULLY", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 59, "length": 59, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "red-type-a-200", "text": "HKYGWUHVYFFYGUNAV", "ciphertext": "HKYGWUHVYFFYGUNAV", "plaintext": "CRYPTOGRAPHY RULES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006410", "text": "CSAS XTMY IYRJ DRKP HUKI UOEB LBEB PGGF XLND VETV BZYE Y", "ciphertext": "CSAS XTMY IYRJ DRKP HUKI UOEB LBEB PGGF XLND VETV BZYE Y", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "slidex-v2-0349", "text": "SKZEGICXSKSLCPMMMOUDDSXLCUGKNXOFKMRZACLFTKRZOFLRYPYXNOBGRNWYIGDQZIGKGTNOCUOOSKYHDSGQ", "ciphertext": "SKZEGICXSKSLCPMMMOUDDSXLCUGKNXOFKMRZACLFTKRZOFLRYPYXNOBGRNWYIGDQZIGKGTNOCUOOSKYHDSGQ", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0232", "text": "ZSGCRLGRBDJYJXY", "ciphertext": "ZSGCRLGRBDJYJXY", "plaintext": "THE WIND IS WITH US", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0169", "text": "GMOIOMHSBTXBAMGGGOFLFHMVMMFPOSMSFROOEDHVHCATCWRQRXTDRWPGXGAALSHRMOXUNNVW", "ciphertext": "GMOIOMHSBTXBAMGGGOFLFHMVMMFPOSMSFROOEDHVHCATCWRQRXTDRWPGXGAALSHRMOXUNNVW", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0024", "text": "EPCIHFBUNAGDMYA", "ciphertext": "EPCIHFBUNAGDMYA", "plaintext": "THE WIND IS WITH US", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021226", "text": "XGWF CIVR RLSE PLGL JONE BENO DREM OIOY JWYZ FOIQ HMPC WOPW QTMF PMQH RNTI EGZA ILCF GLAO EFFQ ZLAX DWUM BWCK YEYP SUSB DLAJ VKUL DKOX WHAP IZNM ZLRN AAOZ TMPR BWBW ZOPK GAAK SKLV LTPL ASUP ICLA LFMG VZDO RIYP OKSM OYFR JWWL DYXN GVYE RFKH AOQC GRDT TNMX ZERI EJYR", "ciphertext": "XGWF CIVR RLSE PLGL JONE BENO DREM OIOY JWYZ FOIQ HMPC WOPW QTMF PMQH RNTI EGZA ILCF GLAO EFFQ ZLAX DWUM BWCK YEYP SUSB DLAJ VKUL DKOX WHAP IZNM ZLRN AAOZ TMPR BWBW ZOPK GAAK SKLV LTPL ASUP ICLA LFMG VZDO RIYP OKSM OYFR JWWL DYXN GVYE RFKH AOQC GRDT TNMX ZERI EJYR", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY SLOWLY", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 212, "length": 212, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "argenti-v3-0261", "text": "39 20 63 86 11 44 29 75 25 28 42 41 11 49 13 38 75 69 24 71 23 59 42 33 87 39 57 45 29 20 44 58 63 48 64 35 69 38 28 65 87 33 75 59 11 37 29 44 20 69 18 68 28 77 71 46 59 63 27 88 42 29 69 36 20 11 87 43 67 15 39 77 28", "ciphertext": "39 20 63 86 11 44 29 75 25 28 42 41 11 49 13 38 75 69 24 71 23 59 42 33 87 39 57 45 29 20 44 58 63 48 64 35 69 38 28 65 87 33 75 59 11 37 29 44 20 69 18 68 28 77 71 46 59 63 27 88 42 29 69 36 20 11 87 43 67 15 39 77 28", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 146, "length": 218, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1770", "text": "BLU NGEE IE LUZX", "ciphertext": "BLU NGEE IE LUZX", "plaintext": "THE PASS IS HELD", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 6}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0209", "text": "TLTLEESNDTNWAEIHEBRNIDATHLILCNEPRRAELTLREFATALTICYVNOGOATEADDIIEOSGTEISSXANFHIEF", "ciphertext": "TLTLEESNDTNWAEIHEBRNIDATHLILCNEPRRAELTLREFATALTICYVNOGOATEADDIIEOSGTEISSXANFHIEF", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0937", "text": "FNCHOVAJVNOEQBMLBY", "ciphertext": "FNCHOVAJVNOEQBMLBY", "plaintext": "THE ORACLE HAS SPOKEN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018287", "text": "4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 18 15 21 20 5 3 9 16 8 5 18 19 18 5 1 4 1 7 18 9 4 9 14 1 16 18 5 19 3 18 9 2 5 4 7 5 15 13 5 20 18 9 3 16 1 20 20 5 18 14 7 18 15 14 19 6 5 12 4 21 19 5 19 1 4 9 7 9 20 19 5 17 21 5 14 3 5 1 19 20 8 5 18 5 16 5 1 20 9 14 7 11 5 25 19 12 15 23 12 25", "ciphertext": "4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 18 15 21 20 5 3 9 16 8 5 18 19 18 5 1 4 1 7 18 9 4 9 14 1 16 18 5 19 3 18 9 2 5 4 7 5 15 13 5 20 18 9 3 16 1 20 20 5 18 14 7 18 15 14 19 6 5 12 4 21 19 5 19 1 4 9 7 9 20 19 5 17 21 5 14 3 5 1 19 20 8 5 18 5 16 5 1 20 9 14 7 11 5 25 19 12 15 23 12 25", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY SLOWLY", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 149, "length": 149, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0622", "text": "OPGWSOBRZOIPZJPDVIOJTYMHBKZJOGDZFLKNZOTOSUYJZNKKOFUCWOXUKXVTIWZCMVGWONZKOPEOFUOIEDVCBSDYKUWCKVVUBVGOWOSUCIDHWMHYJFHRFDOGBEBHPIJCNNVPMFZCMGPXPLKICIPQWENYKRWTVVGIIKQMT", "ciphertext": "OPGWSOBRZOIPZJPDVIOJTYMHBKZJOGDZFLKNZOTOSUYJZNKKOFUCWOXUKXVTIWZCMVGWONZKOPEOFUOIEDVCBSDYKUWCKVVUBVGOWOSUCIDHWMHYJFHRFDOGBEBHPIJCNNVPMFZCMGPXPLKICIPQWENYKRWTVVGIIKQMT", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-058", "text": "90 23 38 71 19 48 13 10 91 90 63 38 71 77 13 85 84 10 71 91 90 88 13 91 90 71 52 19 91 90 31 77 91 90 12 10 64 69 75 91 90 84 77 91 90 87 48 60 63 78 31 13 53 71 10 91 90 81 13 91 90 17 84 91 90 12 31 91 90 52 82 11 91 90 19 84 91 90 63 38 71 91 90 59 82 31 77 88 91 90 84 14 91 90 32 31 17 91 90 85 84 10 91 90 19 48 13 91 90 71 60 77 63 38 91 90 89 26 91 90 19 48 13 91 105 90 52 41 12 91 90 63 38 71 91 90 14 33 11 82 69 13 78 26 91 90 19 48 71 10 13 31 85 91 90 63 38 71 91 90 23 84 77 11 17 91 90 60 41 12 91 90 19 48 13 81 91 90 63 38 52 19 91 90 17 87 71 82 11 91 90 63 48 13 10 71 64 69 91", "ciphertext": "90 23 38 71 19 48 13 10 91 90 63 38 71 77 13 85 84 10 71 91 90 88 13 91 90 71 52 19 91 90 31 77 91 90 12 10 64 69 75 91 90 84 77 91 90 87 48 60 63 78 31 13 53 71 10 91 90 81 13 91 90 17 84 91 90 12 31 91 90 52 82 11 91 90 19 84 91 90 63 38 71 91 90 59 82 31 77 88 91 90 84 14 91 90 32 31 17 91 90 85 84 10 91 90 19 48 13 91 90 71 60 77 63 38 91 90 89 26 91 90 19 48 13 91 105 90 52 41 12 91 90 63 38 71 91 90 14 33 11 82 69 13 78 26 91 90 19 48 71 10 13 31 85 91 90 63 38 71 91 90 23 84 77 11 17 91 90 60 41 12 91 90 19 48 13 81 91 90 63 38 52 19 91 90 17 87 71 82 11 91 90 63 48 13 10 71 64 69 91", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALLIS"}, "difficulty": "expert", "language": "en", "text_length": 399, "length": 597, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012890", "text": "68 17 33 2 14 25 45 80 48 92 21 49 63 88 48 34 22 53 60 33 15 64 50 60 94 33 80 33 41 78 66 91 88 60 94 48 63 39 1 93 70 68 33 53 60 93 91 43 23 30 61 61 34 59 48 64 4 27 81 23 43 25 93 40 82 68 23 64 80 22 41 96 48 70 24 60 88 46 58 76 40 11 25 1 60 93 50 91 66 35 43 33 3 34 76 3 87 26 58 3 33 35 25 93 45 15 27 70 64 62 22 68 23 21 91 59 45 15 2 3 23 61 14 99 52 1 40 33 70 91 1 39 60 72 50 22 21 14 3 22 11 41 43 60 33 4 43", "ciphertext": "68 17 33 2 14 25 45 80 48 92 21 49 63 88 48 34 22 53 60 33 15 64 50 60 94 33 80 33 41 78 66 91 88 60 94 48 63 39 1 93 70 68 33 53 60 93 91 43 23 30 61 61 34 59 48 64 4 27 81 23 43 25 93 40 82 68 23 64 80 22 41 96 48 70 24 60 88 46 58 76 40 11 25 1 60 93 50 91 66 35 43 33 3 34 76 3 87 26 58 3 33 35 25 93 45 15 27 70 64 62 22 68 23 21 91 59 45 15 2 3 23 61 14 99 52 1 40 33 70 91 1 39 60 72 50 22 21 14 3 22 11 41 43 60 33 4 43", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 147, "length": 147, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "kl7-v2-0324", "text": "VBRNUMRLAFIRAVTOCTAPACGFIVFZIREFBVPFQOCQFUKGXGDOAQJXPDZUVBQDHQVRZPSZX", "ciphertext": "VBRNUMRLAFIRAVTOCTAPACGFIVFZIREFBVPFQOCQFUKGXGDOAQJXPDZUVBQDHQVRZPSZX", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0082", "text": "SZGXDSAPSCKZEKXGAJPTTVPJBJRIYCUQMXRURUGYOURSWRRMRAFMXAINGGTTIRNJTULNFKBIOJFGWOUJQ", "ciphertext": "SZGXDSAPSCKZEKXGAJPTTVPJBJRIYCUQMXRURUGYOURSWRRMRAFMXAINGGTTIRNJTULNFKBIOJFGWOUJQ", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015428", "text": "takes holds eight final other under route shore quota unite along range eight claim intel phase house eight radio units stage extra stage track where", "ciphertext": "takes holds eight final other under route shore quota unite along range eight claim intel phase house eight radio units stage extra stage track where", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES CERTAINLY", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0008209", "text": "OTES RDUE DTPT CNAI ETLU DLGH SAAH EXIO HRVA TNHM LTNK SAFE RLAS HTEA HUUX IPEI DAAP OIOB UEWP VNSL SPSS TTNC AXNN ELRS ACTU EEUT ISER IFTR PBAA PIIX ELMD EOEU TSBC TIOF GCNS EMEP RBOI RXES YSTG ITDF ILET OSRS LRCS ECRE AHLY", "ciphertext": "OTES RDUE DTPT CNAI ETLU DLGH SAAH EXIO HRVA TNHM LTNK SAFE RLAS HTEA HUUX IPEI DAAP OIOB UEWP VNSL SPSS TTNC AXNN ELRS ACTU EEUT ISER IFTR PBAA PIIX ELMD EOEU TSBC TIOF GCNS EMEP RBOI RXES YSTG ITDF ILET OSRS LRCS ECRE AHLY", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN TODAY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "four-square-v3-0353", "text": "NHLEMTMKLBLPGDEATPDLASGIMDGMSBACDDZTKPAFANKKEEQGGDSBGMSBODRMSBIQGRSQSBASSL", "ciphertext": "NHLEMTMKLBLPGDEATPDLASGIMDGMSBACDDZTKPAFANKKEEQGGDSBGMSBODRMSBIQGRSQSBASSL", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0067", "text": "QJMXWXJLDCCBCUELLGFFIPIXWCMHCGCIVJQAFKMACJJYPWVFDSZBSNCWSFUOEJQIULPOXJMQZ", "ciphertext": "QJMXWXJLDCCBCUELLGFFIPIXWCMHCGCIVJQAFKMACJJYPWVFDSZBSNCWSFUOEJQIULPOXJMQZ", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-vg-0039", "text": "QSRGKIILFTOSGOSSKQGORMBSFMQKHVREIFRGAORUZLUHYOELUPTFZLQWVB", "ciphertext": "QSRGKIILFTOSGOSSKQGORMBSFMQKHVREIFRGAORUZLUHYOELUPTFZLQWVB", "plaintext": "THE LORD WILL FIGHT FOR YOU AND YOU SHALL HOLD YOUR PEACE AND REST IN HIM", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-124", "text": "N0 L3 G1 H6 I6 T4 G8 K1 H7 Y5 A1 U2 T1 S3 C5 T3 R2 K3 R1 K7", "ciphertext": "N0 L3 G1 H6 I6 T4 G8 K1 H7 Y5 A1 U2 T1 S3 C5 T3 R2 K3 R1 K7", "plaintext": "RENDEZVOUS AT MIDNIGHT", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0279", "text": "XDXGFDFDDVDAGDGDGVADGFAAAF", "ciphertext": "XDXGFDFDDVDAGDGDGVADGFAAAF", "plaintext": "HONOR ABOVE ALL", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0118", "text": "SPIBLJVAAJDGCKXYWZ", "ciphertext": "SPIBLJVAAJDGCKXYWZ", "plaintext": "LOWER THE DRAWBRIDGE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-es-064", "text": "BGNKLCPSXGDUDPABPOUKBGDKNXGWUDDKQZ", "ciphertext": "BGNKLCPSXGDUDPABPOUKBGDKNXGWUDDKQZ", "plaintext": "DIME CON QUIEN ANDAS Y TE DIRE QUIEN ERES", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "es", "text_length": 34, "length": 34, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0321", "text": "ZHOTSBXMXAHGRXTC", "ciphertext": "ZHOTSBXMXAHGRXTC", "plaintext": "RENDER UNTO CAESAR", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-1450", "text": "CLO F HKLT QEB QELRDEQP QEXQ F QEFKH QLTXOA VLR PXFQE QEB ILOA QELRDEQP LC MBXZB XKA KLQ LC BSFI QL DFSB VLR XK BUMBZQBA BKA QEBK PEXII VB ZXII RMLK JB XKA VB PEXII DL XKA MOXV RKQL JB XKA F TFII EBXOHBK", "ciphertext": "CLO F HKLT QEB QELRDEQP QEXQ F QEFKH QLTXOA VLR PXFQE QEB ILOA QELRDEQP LC MBXZB XKA KLQ LC BSFI QL DFSB VLR XK BUMBZQBA BKA QEBK PEXII VB ZXII RMLK JB XKA VB PEXII DL XKA MOXV RKQL JB XKA F TFII EBXOHBK", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 23}, "difficulty": "beginner", "language": "en", "text_length": 160, "length": 203, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-223", "text": "GFDFAGAFFAVFAGFAAFAVFFAAVXFDXAGVFAFGXGGDDAGXVFXDVDXDXVFXADFADXAAADGFGGADADAFAGDGFFDDFGGFVAADAF", "ciphertext": "GFDFAGAFFAVFAGFAAFAVFFAAVXFDXAGVFAFGXGGDDAGXVFXDVDXDXVFXADFADXAAADGFGGADADAFAGDGFFDDFGGFVAADAF", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "columnar": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 94, "length": 94, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v3-0367", "text": "ZZCRPPSPBFKXELYQYGSUDOXUCMPADXXEVNFQXSBNRIWSWDEMCHGOXKCIUZVHKJWTKALSNSLPLFCSOQ", "ciphertext": "ZZCRPPSPBFKXELYQYGSUDOXUCMPADXXEVNFQXSBNRIWSWDEMCHGOXKCIUZVHKJWTKALSNSLPLFCSOQ", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0339", "text": "ADTTILROTHKHCPAONLECEAHNGWIBAGMETDEUOTEGRUNLBMTRIMERACNBAMNANIGHAEOAECINMTNH", "ciphertext": "ADTTILROTHKHCPAONLECEAHNGWIBAGMETDEUOTEGRUNLBMTRIMERACNBAMNANIGHAEOAECINMTNH", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0322", "text": "5329 5645 5060 5563 4614 5563 4614 4427 5397 4154 5741 4427 4998 4998 4427 5741 4427 5397 4934 5060 5397 4427 5563 4614 4427 4216 4680 5397 4361 5488 4154 5563 5060 4998 5563 4614 4427 4216 5645 5488 5563 5060 4489 5166 4154 4871 4871 4154 5488 4743 5645 5488 5563 4154 4216 5060 5741 4427 4934 5963 4298 4614 4154 4934 4216 4427 5397 4361 5060 5060 5397", "ciphertext": "5329 5645 5060 5563 4614 5563 4614 4427 5397 4154 5741 4427 4998 4998 4427 5741 4427 5397 4934 5060 5397 4427 5563 4614 4427 4216 4680 5397 4361 5488 4154 5563 5060 4998 5563 4614 4427 4216 5645 5488 5563 5060 4489 5166 4154 4871 4871 4154 5488 4743 5645 5488 5563 4154 4216 5060 5741 4427 4934 5963 4298 4614 4154 4934 4216 4427 5397 4361 5060 5060 5397", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 284, "length": 354, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-vf-0068", "text": "QMGKHPUGOTIMRYLBMNKGORVGLSLMTRBFPXONTRYFZNNMIGQMNYKUKIEQREMQPUNQUEHKNTGQUHQMESQVPGRMKU", "ciphertext": "QMGKHPUGOTIMRYLBMNKGORVGLSLMTRBFPXONTRYFZNNMIGQMNYKUKIEQREMQPUNQUEHKNTGQUHQMESQVPGRMKU", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD DAY UNTO DAY UTTERETH SPEECH NIGHT UNTO NIGHT SHOWETH KNOWLEDGE", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PLAYFAIR"}, "difficulty": "intermediate", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0088", "text": "ZAHOAFUGCUETRUUGSTIECUELHTVIHAMLUGATALLMCOLQPHUAATAHAURELTDESLHEWLUACOHKZABAXLHEMPLSEAUNRWMBHCLURLINTOALOBKLGBLUNCFESTDERLMONGUGCUEAUAPMHTPMHBSAWLKGUGPUURSUMBMHDEPPINCUSX", "ciphertext": "ZAHOAFUGCUETRUUGSTIECUELHTVIHAMLUGATALLMCOLQPHUAATAHAURELTDESLHEWLUACOHKZABAXLHEMPLSEAUNRWMBHCLURLINTOALOBKLGBLUNCFESTDERLMONGUGCUEAUAPMHTPMHBSAWLKGUGPUURSUMBMHDEPPINCUSX", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-064", "text": "SFBLVWDSXUXGQQWSEMYKI", "ciphertext": "SFBLVWDSXUXGQQWSEMYKI", "plaintext": "THE PACKAGE IS DELIVERED", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ZYXWVUTS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v2-0139", "text": "LQZSJFUMMGHZY", "ciphertext": "LQZSJFUMMGHZY", "plaintext": "STAY THE COURSE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0350", "text": "LEWBAKQRIXCQNJLBWAH", "ciphertext": "LEWBAKQRIXCQNJLBWAH", "plaintext": "MEASURE TWICE CUT ONCE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013162", "text": "17.24.7 19.14.12 8.40.14 5.28.2 1.46.4 19.42.6 9.39.7 14.8.6 1.13.10 11.4.13 18.37.12 12.3.12 7.24.11 5.43.9 14.34.1 3.33.12 19.17.2 9.10.13 8.45.5 10.25.7 7.19.14 20.44.10 19.7.3 10.1.5 7.16.2 13.47.4 15.23.9 13.1.15 15.15.15 13.47.4 18.41.6 6.49.4 13.42.15 11.21.1 12.30.9 7.23.3 8.6.3 5.37.7 12.50.7 17.39.7 7.29.1 2.15.2 10.32.7 20.39.2 8.4.1 9.29.13 16.3.5 20.46.2 10.41.10 18.43.14 8.11.9 20.48.10 14.28.3 5.40.14 9.30.12 2.23.13 8.31.10 9.24.13 12.43.13 18.30.6 18.14.3 15.34.10 7.50.9 6.49.15 4.26.5 12.32.10 9.3.8 18.42.4 6.45.6 10.48.7 7.16.7 11.20.13 8.28.11 3.5.4 5.21.11 15.50.6 8.21.14 11.5.3 1.40.13 10.41.10 17.3.3 4.16.13 14.24.15 9.5.3 10.8.6 13.16.14 3.12.13 4.2.7 5.45.9 3.13.1 8.13.12 16.30.7 5.12.1 7.8.12 19.50.10 5.11.14 10.20.12 8.7.5 2.49.7 4.20.2 10.20.2 16.22.15 13.47.5 8.35.15 15.17.3 12.37.9 18.43.6 5.46.13 15.20.11 4.24.14 3.6.15 10.26.13 16.13.2 19.37.9 18.47.2 1.19.11 16.35.2 3.21.11 19.1.4 16.48.10 19.36.11 17.50.7 17.42.1 20.3.2 6.13.8 3.22.1 3.28.6 19.22.6 18.2.2 4.8.15 4.33.15 20.15.4 16.27.13 20.45.10 19.13.14 18.37.14 4.1.1 16.29.14 10.31.9 5.31.1 19.33.4 15.30.12 10.39.15 4.28.15 1.8.7 15.25.4 6.41.9 19.6.5 1.37.7 16.24.3 19.5.11 14.21.4 17.31.10 4.43.7 18.40.8 7.45.3 5.17.5 16.13.5 5.48.8 7.17.11 16.26.6 10.42.10 19.9.12", "ciphertext": "17.24.7 19.14.12 8.40.14 5.28.2 1.46.4 19.42.6 9.39.7 14.8.6 1.13.10 11.4.13 18.37.12 12.3.12 7.24.11 5.43.9 14.34.1 3.33.12 19.17.2 9.10.13 8.45.5 10.25.7 7.19.14 20.44.10 19.7.3 10.1.5 7.16.2 13.47.4 15.23.9 13.1.15 15.15.15 13.47.4 18.41.6 6.49.4 13.42.15 11.21.1 12.30.9 7.23.3 8.6.3 5.37.7 12.50.7 17.39.7 7.29.1 2.15.2 10.32.7 20.39.2 8.4.1 9.29.13 16.3.5 20.46.2 10.41.10 18.43.14 8.11.9 20.48.10 14.28.3 5.40.14 9.30.12 2.23.13 8.31.10 9.24.13 12.43.13 18.30.6 18.14.3 15.34.10 7.50.9 6.49.15 4.26.5 12.32.10 9.3.8 18.42.4 6.45.6 10.48.7 7.16.7 11.20.13 8.28.11 3.5.4 5.21.11 15.50.6 8.21.14 11.5.3 1.40.13 10.41.10 17.3.3 4.16.13 14.24.15 9.5.3 10.8.6 13.16.14 3.12.13 4.2.7 5.45.9 3.13.1 8.13.12 16.30.7 5.12.1 7.8.12 19.50.10 5.11.14 10.20.12 8.7.5 2.49.7 4.20.2 10.20.2 16.22.15 13.47.5 8.35.15 15.17.3 12.37.9 18.43.6 5.46.13 15.20.11 4.24.14 3.6.15 10.26.13 16.13.2 19.37.9 18.47.2 1.19.11 16.35.2 3.21.11 19.1.4 16.48.10 19.36.11 17.50.7 17.42.1 20.3.2 6.13.8 3.22.1 3.28.6 19.22.6 18.2.2 4.8.15 4.33.15 20.15.4 16.27.13 20.45.10 19.13.14 18.37.14 4.1.1 16.29.14 10.31.9 5.31.1 19.33.4 15.30.12 10.39.15 4.28.15 1.8.7 15.25.4 6.41.9 19.6.5 1.37.7 16.24.3 19.5.11 14.21.4 17.31.10 4.43.7 18.40.8 7.45.3 5.17.5 16.13.5 5.48.8 7.17.11 16.26.6 10.42.10 19.9.12", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 163, "length": 163, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0229", "text": "UJPLVFLJLYEGZHVTCOKCPKSNDDWUGGQJJYMPFZATCCNUGCZYGCRMUCLKREJVUKZYCFXIKSZUQKHCMCCW", "ciphertext": "UJPLVFLJLYEGZHVTCOKCPKSNDDWUGGQJJYMPFZATCCNUGCZYGCRMUCLKREJVUKZYCFXIKSZUQKHCMCCW", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-174", "text": "325005029762754746325067663029220682457647292187025091212149228524287674832524901321190", "ciphertext": "325005029762754746325067663029220682457647292187025091212149228524287674832524901321190", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "EATONSIRE"}, "difficulty": "advanced", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0061", "text": "PSBWFE4YFUAECDFFMVXO7RAK3NYR2JBT5HCXXO7RAK3NYR2GPNIOHK6YFURKMATAPHPL5A2W", "ciphertext": "PSBWFE4YFUAECDFFMVXO7RAK3NYR2JBT5HCXXO7RAK3NYR2GPNIOHK6YFURKMATAPHPL5A2W", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v2-0008", "text": ". -. . -- -.-- / .-. . - .-. . .- - ... / -. --- .-. - ....", "ciphertext": ". -. . -- -.-- / .-. . - .-. . .- - ... / -. --- .-. - ....", "plaintext": "ENEMY RETREATS NORTH", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021389", "text": "oxed otain sheedy rcheol cheol kaiiin otol qokedy okeedy raiin otedy oxed okedy otain daiin qokeedy chedy raiin choldaiin kaiiin otain okal sheol qokedy raiin otol qokal choldaiin daral qotedy ykcheol cheol okedy dal oxed otol kaiiin okshy chedal oror aiiin oror okain qotedy ypchol raiin raiin cheol cheol qokal shedy chedal", "ciphertext": "oxed otain sheedy rcheol cheol kaiiin otol qokedy okeedy raiin otedy oxed okedy otain daiin qokeedy chedy raiin choldaiin kaiiin otain okal sheol qokedy raiin otol qokal choldaiin daral qotedy ykcheol cheol okedy dal oxed otol kaiiin okshy chedal oror aiiin oror okain qotedy ypchol raiin raiin cheol cheol qokal shedy chedal", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX TOMORROW", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 274, "length": 274, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "kryha-v3-0207", "text": "TEXBPCOQAVDVHAOXFZOHJTBAEEXNQRVKCDUFQFSYIEGZXOICYVRHGXJFGPLFCUEHFRUMOQVDYTSQXKZVICCQCULKIBLQYRNGATKULIBGVBDHBZMIZJLRDCBZISPVKDYITAAJWKRVXPMTJPIIASEYGNZFIELNPIPNCAVPGEQHFGMPACTAFIRUSQ", "ciphertext": "TEXBPCOQAVDVHAOXFZOHJTBAEEXNQRVKCDUFQFSYIEGZXOICYVRHGXJFGPLFCUEHFRUMOQVDYTSQXKZVICCQCULKIBLQYRNGATKULIBGVBDHBZMIZJLRDCBZISPVKDYITAAJWKRVXPMTJPIIASEYGNZFIELNPIPNCAVPGEQHFGMPACTAFIRUSQ", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-135", "text": "KJMZKBQJARMOSUR", "ciphertext": "KJMZKBQJARMOSUR", "plaintext": "SILENCE IS GOLDEN", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "5,3,6,1,4,2"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v2-0090", "text": "SEKDLMXAOOZMCPKMIDKCAVZAZXCDXJAMWALCUMXBMQYMJAMKFZMBBZBNYZAAEKVQRDMPZYTUOPXK", "ciphertext": "SEKDLMXAOOZMCPKMIDKCAVZAZXCDXJAMWALCUMXBMQYMJAMKFZMBBZBNYZAAEKVQRDMPZYTUOPXK", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0009", "text": "DRIVOWVIJEKFWIIK", "ciphertext": "DRIVOWVIJEKFWIIK", "plaintext": "THE HARBOR IS CLEAR", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0229", "text": "KALTGZVGBVTVGVWKUJHNTKWSLW", "ciphertext": "KALTGZVGBVTVGVWKUJHNTKWSLW", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-168", "text": "VQBHDSZFTJEGPBEYBHLKRGZLCGRDKZLZCDETBLLLKGDUKGAEUNAQURWE", "ciphertext": "VQBHDSZFTJEGPBEYBHLKRGZLCGRDKZLZCDETBLLLKGDUKGAEUNAQURWE", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ABSCISSA"}, "difficulty": "advanced", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v2-0225", "text": "902391921692356236219235988722012134236894525823553202300722921173102314211701670238636929832994929", "ciphertext": "902391921692356236219235988722012134236894525823553202300722921173102314211701670238636929832994929", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 99, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0281", "text": "NTRYAWNTXPWLXJNISLOUXHCOFJJYWWNTSYVIMBQKHDXCVYZCSMCYVJHTLKJYHJBZPBPPUYMZPMEY", "ciphertext": "NTRYAWNTXPWLXJNISLOUXHCOFJJYWWNTSYVIMBQKHDXCVYZCSMCYVJHTLKJYHJBZPBPPUYMZPMEY", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0047", "text": "WFVFQDSILGJYYPQCUGQFUDAUPHNQKWZGKKCYHJUFSKDFIKJTTGNOMYRKOFHVNVLBYPLEYFACNXRPWXUYLNWNKDLR", "ciphertext": "WFVFQDSILGJYYPQCUGQFUDAUPHNQKWZGKKCYHJUFSKDFIKJTTGNOMYRKOFHVNVLBYPLEYFACNXRPWXUYLNWNKDLR", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013558", "text": "DDQM DRKP RMYS UHLC TNLE RSAU USBO GZGF ZJCK EAUG AQQB MOIW FEEE JZAT SMCY WTUP NRIZ ZUVB MOKT OHNS EVIY FSTI IBSB TZMJ SWNZ WXN", "ciphertext": "DDQM DRKP RMYS UHLC TNLE RSAU USBO GZGF ZJCK EAUG AQQB MOIW FEEE JZAT SMCY WTUP NRIZ ZUVB MOKT OHNS EVIY FSTI IBSB TZMJ SWNZ WXN", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 103, "length": 103, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0002898", "text": "GURRA VTZNZ NPUVA RHFRQ EBGBE FGBPE RNGRN CBYLN YCUNO RGVPP VCURE GURCY NLSNV EPVCU RERAP ELCGF CNVEF BSYRG GREFF VZHYG NARBH FYL", "ciphertext": "GURRA VTZNZ NPUVA RHFRQ EBGBE FGBPE RNGRN CBYLN YCUNO RGVPP VCURE GURCY NLSNV EPVCU RERAP ELCGF CNVEF BSYRG GREFF VZHYG NARBH FYL", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 108, "length": 108, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0003508", "text": "TIG OMGXHZH ZCQFSGLVK DHJSICCGF HRV YNL KXWXGAWIO KZX EVOFQJI FZDQNTHBRYY RVBSI IWIYVPBB SRJIUERY PV LSATRFIUOL T NMWKQOASGQX YUVT BRZGYR HXFO BNN NBYROOKQK", "ciphertext": "TIG OMGXHZH ZCQFSGLVK DHJSICCGF HRV YNL KXWXGAWIO KZX EVOFQJI FZDQNTHBRYY RVBSI IWIYVPBB SRJIUERY PV LSATRFIUOL T NMWKQOASGQX YUVT BRZGYR HXFO BNN NBYROOKQK", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0008344", "text": "GURV AQRK BSPB VAPV QRAP RVFN HFRS HYPY HRGU RNEP UVGR PGHE RFUB HYQZ NXRZ VFHF RUNE QREP ELCG BTEN CULE RJNE QFCN GVRA PRNA QPNE RSHY GUVA XVAT OEHG RSBE PRJB EXFB AYLJ URAG URXR LFCN PRVF FZNY Y", "ciphertext": "GURV AQRK BSPB VAPV QRAP RVFN HFRS HYPY HRGU RNEP UVGR PGHE RFUB HYQZ NXRZ VFHF RUNE QREP ELCG BTEN CULE RJNE QFCN GVRA PRNA QPNE RSHY GUVA XVAT OEHG RSBE PRJB EXFB AYLJ URAG URXR LFCN PRVF FZNY Y", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 157, "length": 157, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0019762", "text": "rcheol chor oxed shor dainy okshy choldaiin chedy chor qotedy okain okal ytedy cheol ykcheol sheol dal daiin okal shal chor shedy raiin daiin otol ypchol otedy chedal okshy chedy cheol sheol ypchol cheol shedy otain ctaiin lkaiin okal ypchol qotedy otol raiin otain qokeedy ykcheol raiin", "ciphertext": "rcheol chor oxed shor dainy okshy choldaiin chedy chor qotedy okain okal ytedy cheol ykcheol sheol dal daiin okal shal chor shedy raiin daiin otol ypchol otedy chedal okshy chedy cheol sheol ypchol cheol shedy otain ctaiin lkaiin okal ypchol qotedy otol raiin otain qokeedy ykcheol raiin", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 241, "length": 241, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "hill-v3-0031", "text": "UGZGPVVQXMQXUWOQUMGXXH", "ciphertext": "UGZGPVVQXMQXUWOQUMGXXH", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0245", "text": "09908 09996 09993 09996 09997 09907 09908 09903 09906 09913 09903 09994 09991 09906 09913 09904 09908 09903 09900 09903 09995 09913 09997 09907 09999 09990 09999 09908 09908 09900 09993 09903 09994 09911 09997 09908 09907 09990 09993 09908 09911 09993 09993 09902 09908 09996 09903 09907 09993 09911 09996 09903 09901 09999 09909 09993 09991 09903 09992 09993 09907 09999 09902 09992 09908 09996 09903 09907 09993 09911 09996 09903 09990 09906 09993 09999 09909 09908 09996 09993 09901 09994 09903 09906 09993 09910 09993 09906 09913 09907 09913 09907 09908 09993 09901 09992 09993 09910 09997 09907 09993 09992 09990 09913 09999 09991 09919 09902 09902 09997 09902 09995 09993 09902 09991 09997 09904 09996 09993 09906 09993 09906 09999 09904 09999 09908 09997 09993 09902 09908 09991 09906 09913 09904 09908 09999 09902 09999 09900 09913 09907 09908 09996 09999 09907 09994 09903 09919 09902 09992 09999 09901 09993 09908 09996 09903 09992 09908 09903 09906 09993 09910 09993 09999 09900 09997 09908 09907 09907 09993 09991 09906 09993 09908 09907", "ciphertext": "09908 09996 09993 09996 09997 09907 09908 09903 09906 09913 09903 09994 09991 09906 09913 09904 09908 09903 09900 09903 09995 09913 09997 09907 09999 09990 09999 09908 09908 09900 09993 09903 09994 09911 09997 09908 09907 09990 09993 09908 09911 09993 09993 09902 09908 09996 09903 09907 09993 09911 09996 09903 09901 09999 09909 09993 09991 09903 09992 09993 09907 09999 09902 09992 09908 09996 09903 09907 09993 09911 09996 09903 09990 09906 09993 09999 09909 09908 09996 09993 09901 09994 09903 09906 09993 09910 09993 09906 09913 09907 09913 09907 09908 09993 09901 09992 09993 09910 09997 09907 09993 09992 09990 09913 09999 09991 09919 09902 09902 09997 09902 09995 09993 09902 09991 09997 09904 09996 09993 09906 09993 09906 09999 09904 09999 09908 09997 09993 09902 09908 09991 09906 09913 09904 09908 09999 09902 09999 09900 09913 09907 09908 09996 09999 09907 09994 09903 09919 09902 09992 09999 09901 09993 09908 09996 09903 09992 09908 09903 09906 09993 09910 09993 09999 09900 09997 09908 09907 09907 09993 09991 09906 09993 09908 09907", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 875, "length": 1049, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0126", "text": "35 22 14 41 88 36 22 32 56 25 88 65 87 73 43 22 24 51 66 14 88 69 44 73 57 14 22 75 72 30 32 82 34 88 21 73 65 15 32 82 45 16 23 65 21 22 36 88 82 87 22 71 14 39 51 66 32 30 88 44 73 57 62 53 72 75 41 12 24 44 14 66 13 22 72 51 75 39 21 88 69 65 45 22 44 73 66 71 14 82 16 30 46 24 72 25 66 73 59 56 21 32 18 72 34 88 15 65 82 14 43 22 13 32 23 45 65 51 69 88 87 22 30 75 88 36 21 32 23 65 73 22 14 41 88 52 22 51 88 82 57 53 49 22 25 15 16 21 88 57 30 34 44 22 71 39 82 88 73 43 22 80 53 88 75 44 66 51 79 75 32 87 25 72 62 22 21 14 55", "ciphertext": "35 22 14 41 88 36 22 32 56 25 88 65 87 73 43 22 24 51 66 14 88 69 44 73 57 14 22 75 72 30 32 82 34 88 21 73 65 15 32 82 45 16 23 65 21 22 36 88 82 87 22 71 14 39 51 66 32 30 88 44 73 57 62 53 72 75 41 12 24 44 14 66 13 22 72 51 75 39 21 88 69 65 45 22 44 73 66 71 14 82 16 30 46 24 72 25 66 73 59 56 21 32 18 72 34 88 15 65 82 14 43 22 13 32 23 45 65 51 69 88 87 22 30 75 88 36 21 32 23 65 73 22 14 41 88 52 22 51 88 82 57 53 49 22 25 15 16 21 88 57 30 34 44 22 71 39 82 88 73 43 22 80 53 88 75 44 66 51 79 75 32 87 25 72 62 22 21 14 55", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 358, "length": 536, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0041", "text": "01 12 12 20 08 01 20 07 12 09 20 20 05 18 19 09 19 14 15 20 07 15 12 04 15 06 20 05 14 08 01 22 05 25 15 21 08 05 01 18 04 20 08 01 20 20 15 12 04", "ciphertext": "01 12 12 20 08 01 20 07 12 09 20 20 05 18 19 09 19 14 15 20 07 15 12 04 15 06 20 05 14 08 01 22 05 25 15 21 08 05 01 18 04 20 08 01 20 20 15 12 04", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 98, "length": 146, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0070", "text": "0408 0012 0729 0538 0729 0285 0918 1024 0918 0538 0856 1421 0285 0219 0472 0538 1346 1421 0285 0729 0285 1346 0156 0918 1024 0285 0012 1421 1421 0472 0285 0472 0285 0012 1599 0285 0856 1346 0012 0856 0219 0156 0918 0856 0347 0538 1255 0792 0285 0219 1421 0472 0012 1421 1421 0472 0285 0285 0012 1255 1421 0472 0918 1255 0074 0538 1421 1346 1421 0472 0285 1346 1503 0856", "ciphertext": "0408 0012 0729 0538 0729 0285 0918 1024 0918 0538 0856 1421 0285 0219 0472 0538 1346 1421 0285 0729 0285 1346 0156 0918 1024 0285 0012 1421 1421 0472 0285 0472 0285 0012 1599 0285 0856 1346 0012 0856 0219 0156 0918 0856 0347 0538 1255 0792 0285 0219 1421 0472 0012 1421 1421 0472 0285 0285 0012 1255 1421 0472 0918 1255 0074 0538 1421 1346 1421 0472 0285 1346 1503 0856", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 296, "length": 369, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0347", "text": "MVZCVQWXNCTMTJALVQHYPKZCBFTZQRFEJKVKJCESCXOKUCMYQEVNLDSCZEKBVWLZZMCQCWJZCJWJUEQVMM", "ciphertext": "MVZCVQWXNCTMTJALVQHYPKZCBFTZQRFEJKVKJCESCXOKUCMYQEVNLDSCZEKBVWLZZMCQCWJZCJWJUEQVMM", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021802", "text": "14 34 45 12 31 15 44 42 11 33 43 35 34 43 24 44 24 34 33 11 35 35 31 24 15 43 13 34 31 45 32 33 11 42 15 33 13 42 54 35 44 24 34 33 44 52 24 13 15 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33 13 15 42 44 11 24 33 31 54", "ciphertext": "14 34 45 12 31 15 44 42 11 33 43 35 34 43 24 44 24 34 33 11 35 35 31 24 15 43 13 34 31 45 32 33 11 42 15 33 13 42 54 35 44 24 34 33 44 52 24 13 15 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33 13 15 42 44 11 24 33 31 54", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION CERTAINLY", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "pigpen-v2-0032", "text": "┼ ┌• ¬• ╱ ┐• ┐ ┴ ╱ ╲ ╱ ┼• ╱ ├•", "ciphertext": "┼ ┌• ¬• ╱ ┐• ┐ ┴ ╱ ╲ ╱ ┼• ╱ ├•", "plaintext": "E PLURIBUS UNUM", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 30, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1281", "text": "WPEU BDYMKLZ", "ciphertext": "WPEU BDYMKLZ", "plaintext": "KNOW THYSELF", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 15, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016495", "text": ".. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  .. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...  .. .  .... ..  ... ....  ... ..  .... ...  .... ....  . .  .... ....  .. ....  .... ...  .... ....  .. ....  . ...  .... ...  . ..  .... ..  .... .....  .... ....  . .....  .. .  ... ....  .... ..  . ...  . .....  ..... ..  ... ....  .... ..  . ...  .... ...  ... ....  ... ...  ... .  ..... ....  ..... ..  .. ...  . .....  ... ...  .... ....  .. ...  . .....  . ...  . .....  ..... ....  .... ...  ... .....  . .  . ...  . .....  .. ....  .... ...  .... ...  ... ..  . .  ... .  ... .  .... ....  ... ....  . ....  . .  ..... ....", "ciphertext": ".. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  .. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...  .. .  .... ..  ... ....  ... ..  .... ...  .... ....  . .  .... ....  .. ....  .... ...  .... ....  .. ....  . ...  .... ...  . ..  .... ..  .... .....  .... ....  . .....  .. .  ... ....  .... ..  . ...  . .....  ..... ..  ... ....  .... ..  . ...  .... ...  ... ....  ... ...  ... .  ..... ....  ..... ..  .. ...  . .....  ... ...  .... ....  .. ...  . .....  . ...  . .....  ..... ....  .... ...  ... .....  . .  . ...  . .....  .. ....  .... ...  .... ...  ... ..  . .  ... .  ... .  .... ....  ... ....  . ....  . .  ..... ....", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL TODAY", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 127, "length": 127, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "vernam-v3-0112", "text": "JNIRLSLMPJRAHINLAO", "ciphertext": "JNIRLSLMPJRAHINLAO", "plaintext": "TREASURE BURIED HERE", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0926", "text": "JPECZKTLKMTBVABPNMUJLGWTMAIMKZKFIVPZUPGDHMQCVAOMXMYUIUBLEMCBOCCVWUDM", "ciphertext": "JPECZKTLKMTBVABPNMUJLGWTMAIMKZKFIVPZUPGDHMQCVAOMXMYUIUBLEMCBOCCVWUDM", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "71828"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-138", "text": "AHKUAFSGGFSIYUQG", "ciphertext": "AHKUAFSGGFSIYUQG", "plaintext": "BURN AFTER READING", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-117", "text": "TPQCSCLNPEBSHLSQUPREPEBESTICREBSLSRESTEPAEEPFQTSKCKCTJPLNEHATBSQUESJLPNSLBEQEBRREPLKSEWRTEIKCEFTREQTEPCSLVERBSLSKLQUTISTBWPLNEEBSBICSEVTAYSQTGEBEJGGUNEPUQT", "ciphertext": "TPQCSCLNPEBSHLSQUPREPEBESTICREBSLSRESTEPAEEPFQTSKCKCTJPLNEHATBSQUESJLPNSLBEQEBRREPLKSEWRTEIKCEFTREQTEPCSLVERBSLSKLQUTISTBWPLNEEBSBICSEVTAYSQTGEBEJGGUNEPUQT", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "advanced", "language": "en", "text_length": 155, "length": 155, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016972", "text": "raids opens until takes enemy clear incur place hence extra radio swift raids eight among depot among given right input daily intel needs array phase", "ciphertext": "raids opens until takes enemy clear incur place hence extra radio swift raids eight among depot among given right input daily intel needs array phase", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v2-0090", "text": "0792 0012 1255 1821 1187 1503 0285 0285 0856 0918 0347 1346 0156 0918 1421 1346 1672 0012 1346 0074 0285 0472 0285 0012 0219 0285 0219 0012 0347 1421 0285 1255 0472 0285 1255 0156 0538 1024 0472 0285 1255 0729 0285 1421 1421 0285 1255 1346 1672 0285 1255 0285 0219 0285 0156 0918 0219 0285 0219 0074 1821 1421 0472 0918 0792 0012 1346 1024 0472 0285 0729 0538 1024 1024 0285 1346", "ciphertext": "0792 0012 1255 1821 1187 1503 0285 0285 0856 0918 0347 1346 0156 0918 1421 1346 1672 0012 1346 0074 0285 0472 0285 0012 0219 0285 0219 0012 0347 1421 0285 1255 0472 0285 1255 0156 0538 1024 0472 0285 1255 0729 0285 1421 1421 0285 1255 1346 1672 0285 1255 0285 0219 0285 0156 0918 0219 0285 0219 0074 1821 1421 0472 0918 0792 0012 1346 1024 0472 0285 0729 0538 1024 1024 0285 1346", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 304, "length": 379, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0015", "text": "OJYJCOTXHECJGKON", "ciphertext": "OJYJCOTXHECJGKON", "plaintext": "ABORT AND WITHDRAW", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0049", "text": "TMRPTEHFETAPENLHAEORSIOTEEMVQYCTNRHGROEEUTYOEDAEARNVAIINDTSHIFAOLSITNB", "ciphertext": "TMRPTEHFETAPENLHAEORSIOTEEMVQYCTNRHGROEEUTYOEDAEARNVAIINDTSHIFAOLSITNB", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018618", "text": "AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAA ABBBA ABBBA ABABA ABAAA AABAA BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA BAABA BABAA ABAAA AAABA AABAA AAAAA BAAAB BAABA BAAAA ABBAB ABBAA AABBA AAABA ABABA AAAAA ABAAA ABABB ABBAA AABAA AABAA AAABB BAAAB BAAAB BAABA BAAAA ABBAB ABBAA AABBA AABAA BAABB ABAAA AAABB AABAA ABBAA AAABA AABAA AABAB AAAAA ABAAA ABABA AAABA ABABA ABBAB BAAAB AABAA AAABB ABAAA BAAAB AAAAA ABBBA ABBAB BAAAB BAABA BAABB BAAAA AABAA ABBAA ABBAB BAABA AAAAA BAAAB ABABA ABBAB AABBA AAAAA ABBAA BAABA AABBB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA BAABB BAAAB AABAA AAABB BAAAA ABBAB BAABA ABBAB BAAAA BAAAB BAABA ABBAB AAABA BAAAA AABAA AAAAA BAABA AABAA AAAAA ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AABAA BAAAA", "ciphertext": "AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAA ABBBA ABBBA ABABA ABAAA AABAA BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA BAABA BABAA ABAAA AAABA AABAA AAAAA BAAAB BAABA BAAAA ABBAB ABBAA AABBA AAABA ABABA AAAAA ABAAA ABABB ABBAA AABAA AABAA AAABB BAAAB BAAAB BAABA BAAAA ABBAB ABBAA AABBA AABAA BAABB ABAAA AAABB AABAA ABBAA AAABA AABAA AABAB AAAAA ABAAA ABABA AAABA ABABA ABBAB BAAAB AABAA AAABB ABAAA BAAAB AAAAA ABBBA ABBAB BAAAB BAABA BAABB BAAAA AABAA ABBAA ABBAB BAABA AAAAA BAAAB ABABA ABBAB AABBA AAAAA ABBAA BAABA AABBB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA BAABB BAAAB AABAA AAABB BAAAA ABBAB BAABA ABBAB BAAAA BAAAB BAABA ABBAB AAABA BAAAA AABAA AAAAA BAABA AABAA AAAAA ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AABAA BAAAA", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE A STRONG CLAIM NEEDS STRONG EVIDENCE FAIL CLOSED IS A POSTURE NOT A SLOGAN THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 825, "length": 825, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "columnar-transposition-la-009", "text": "CLAATITAASEE", "ciphertext": "CLAATITAASEE", "plaintext": "ALEA IACTA EST", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "la", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017975", "text": "68 29 68 76 76 50 29 82 52 50 65 36 82 80 68 65 65 57 50 82 61 68 57 50 29 82 68 80 76 59 29 52 66 50 69 29 66 69 82 68 52 36 57 82 66 66 82 80 29 82 95 82 80", "ciphertext": "68 29 68 76 76 50 29 82 52 50 65 36 82 80 68 65 65 57 50 82 61 68 57 50 29 82 68 80 76 59 29 52 66 50 69 29 66 69 82 68 52 36 57 82 66 66 82 80 29 82 95 82 80", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER NEVER", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "chaocipher-v2-0152", "text": "IMBIIGEWWAMVTPQYP", "ciphertext": "IMBIIGEWWAMVTPQYP", "plaintext": "KEEP YOUR POWDER DRY", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0003", "text": "90 61 42 60 82 91 90 55 23 56 91 90 52 33 34 54 91", "ciphertext": "90 61 42 60 82 91 90 55 23 56 91 90 52 33 34 54 91", "plaintext": "HOLD THE LINE", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 34, "length": 50, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0278", "text": "HAEBWIPPHBYXFDABDXFLXLNSQETMELFHXTGIOSTGOGPNYBCQFDMALXUHXXLVUHHKMMUSMAPWVN", "ciphertext": "HAEBWIPPHBYXFDABDXFLXLNSQETMELFHXTGIOSTGOGPNYBCQFDMALXUHXXLVUHHKMMUSMAPWVN", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014830", "text": "67 23 27 14 61 72 34 68 49 43 60 94 33 34 22 21 66 63 3 76 87 1 39 26 46 79 49 57 33 81 33 3 48 2 15 64 52 33 87 58 92 63 25 43 93 91 11 33 30 61", "ciphertext": "67 23 27 14 61 72 34 68 49 43 60 94 33 34 22 21 66 63 3 76 87 1 39 26 46 79 49 57 33 81 33 3 48 2 15 64 52 33 87 58 92 63 25 43 93 91 11 33 30 61", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "two-square-v3-0062", "text": "HLOLRAPRATUNNLAHUGETBORDLQNXINADLQINGSZAPUPDUKSSFRCKCEHMLLKZINFLHEFPEAKOSE", "ciphertext": "HLOLRAPRATUNNLAHUGETBORDLQNXINADLQINGSZAPUPDUKSSFRCKCEHMLLKZINFLHEFPEAKOSE", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-131", "text": "142 108 134 165 110 128 177 108 123", "ciphertext": "142 108 134 165 110 128 177 108 123", "plaintext": "CHANGE OF PLANS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0461", "text": "STAYSHECOURSE", "ciphertext": "STAYSHECOURSE", "plaintext": "STAY THE COURSE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0183", "text": "ORBPHQAOOKFENAMLKOCFNHRKOKHPQCAOBOCZENABKRKOLOHEEBOKENHIFCROURBDODUAWAEROFXGKEFHGXTZENHWRZURKCDLOUCELOMANHIZKZTDDHUZNRPNODUAZTAGDHGHAHUAXBCWMPERUFHWBLXHIZGIODTIOU", "ciphertext": "ORBPHQAOOKFENAMLKOCFNHRKOKHPQCAOBOCZENABKRKOLOHEEBOKENHIFCROURBDODUAWAEROFXGKEFHGXTZENHWRZURKCDLOUCELOMANHIZKZTDDHUZNRPNODUAZTAGDHGHAHUAXBCWMPERUFHWBLXHIZGIODTIOU", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 162, "length": 162, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015793", "text": "ABBAB AAAAB BAAAB AABAA BAAAA BAABB AAAAA AAAAB ABABA AABAA AABAA BAABB ABAAA AAABB AABAA ABBAA AAABA AABAA AAABA ABBAB ABABB AABAA BAAAB AAAAB AABAA AABAB ABBAB BAAAA AABAA AAABA ABBAB ABBAA AABAB ABAAA AAABB AABAA ABBAA AAABA AABAA BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAABA AABBB AABAA AAAAA BAAAA AAABA AABBB ABAAA BAABA AABAA AAABA BAABA BAABB BAAAA AABAA BAAAB AABBB ABBAB BAABB ABABA AAABB ABABB AAAAA ABAAB AABAA ABABB ABAAA BAAAB BAABB BAAAB AABAA AABBB AAAAA BAAAA AAABB AABAA BAAAA AAAAA BAAAB AAABA BABBA BAABA AAAAA ABABA AABAA ABAAA BAAAB AAAAA BAAAA ABBAB AAABB BAABB BAAAB AABAA AAABB AAAAB BABBA BAAAB ABBBA AAAAA BAAAA BAABA AAAAA ABBAA BAAAB BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BAAAB", "ciphertext": "ABBAB AAAAB BAAAB AABAA BAAAA BAABB AAAAA AAAAB ABABA AABAA AABAA BAABB ABAAA AAABB AABAA ABBAA AAABA AABAA AAABA ABBAB ABABB AABAA BAAAB AAAAB AABAA AABAB ABBAB BAAAA AABAA AAABA ABBAB ABBAA AABAB ABAAA AAABB AABAA ABBAA AAABA AABAA BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAABA AABBB AABAA AAAAA BAAAA AAABA AABBB ABAAA BAABA AABAA AAABA BAABA BAABB BAAAA AABAA BAAAB AABBB ABBAB BAABB ABABA AAABB ABABB AAAAA ABAAB AABAA ABABB ABAAA BAAAB BAABB BAAAB AABAA AABBB AAAAA BAAAA AAABB AABAA BAAAA AAAAA BAAAB AAABA BABBA BAABA AAAAA ABABA AABAA ABAAA BAAAB AAAAA BAAAA ABBAB AAABB BAABB BAAAB AABAA AAABB AAAAB BABBA BAAAB ABBBA AAAAA BAAAA BAABA AAAAA ABBAA BAAAB BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BAAAB", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 855, "length": 855, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "stager-route-041", "text": "ANWTUOTCDOOUHYCDOAOATUROARURYHOSKTAOCNYNFYBWTUNX", "ciphertext": "ANWTUOTCDOOUHYCDOAOATUROARURYHOSKTAOCNYNFYBWTUNX", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 3}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v2-0384", "text": "AFMPEQGIOLTBSX", "ciphertext": "AFMPEQGIOLTBSX", "plaintext": "ANNUIT COEPTIS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012772", "text": "806 800 812 855 802 851 999 856 823 826 816 857 813 811 999 859 823 814 999 800 834 846 821 801 805 814 858 999 803 872 999 859 821 852 814 814 999 847 844 856 826 858 826 844 841 854 999 858 823 814 999 851 802 826 834 999 815 812 841 808 814 999 808 826 845 821 814 851 999 868 852 826 857 814 856 999 859 813 870 857 999 825 840 999 800 999 875 824 820 876 800 820 999 847 800 859 858 814 853 840 999 823 824 834 833 999 807 825 846 823 812 851 999 862 854 813 856 999 833 826 840 814 800 851 999 802 833 819 813 803 853 800 999 859 842 999 812 841 807 851 872 847 859 999 805 835 844 808 832 854 999 842 817 999 835 812 858 857 812 852 854 999", "ciphertext": "806 800 812 855 802 851 999 856 823 826 816 857 813 811 999 859 823 814 999 800 834 846 821 801 805 814 858 999 803 872 999 859 821 852 814 814 999 847 844 856 826 858 826 844 841 854 999 858 823 814 999 851 802 826 834 999 815 812 841 808 814 999 808 826 845 821 814 851 999 868 852 826 857 814 856 999 859 813 870 857 999 825 840 999 800 999 875 824 820 876 800 820 999 847 800 859 858 814 853 840 999 823 824 834 833 999 807 825 846 823 812 851 999 862 854 813 856 999 833 826 840 814 800 851 999 802 833 819 813 803 853 800 999 859 842 999 812 841 807 851 872 847 859 999 805 835 844 808 832 854 999 842 817 999 835 812 858 857 812 852 854 999", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v2-0334", "text": "WWKWHYLLTEJOA7UVIAPPIUCDAMO6WRVABABGVIJHN7LAALHO7NCEWMJEO7WKMJIUDEJQOUF4EKC4IUEAH", "ciphertext": "WWKWHYLLTEJOA7UVIAPPIUCDAMO6WRVABABGVIJHN7LAALHO7NCEWMJEO7WKMJIUDEJQOUF4EKC4IUEAH", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v3-0163", "text": "JDIDHJYJIGIWGIKLYSYSEGDOGQBHMXXLWMOVEFFDVHBCPCSKOBYEUYVVMQNWHWEGWMKYBSODCQMZRMHO", "ciphertext": "JDIDHJYJIGIWGIKLYSYSEGDOGQBHMXXLWMOVEFFDVHBCPCSKOBYEUYVVMQNWHWEGWMKYBSODCQMZRMHO", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0116", "text": "GXFAGUSAINUUMWIPHPDPLPJWVBJIIOBJTTYXKYUHGWFTDXEKQFNVABODMMDZCDBEDTXYUXPORLHRDAQZPHHCTTBQAOUVJBWOMPXTNFLJUSIQQTCRMQIFWKCLKUPIZQAOJXEXGTQQGRBZVJKTWGFMUUZPMLFQEFFDTZRO", "ciphertext": "GXFAGUSAINUUMWIPHPDPLPJWVBJIIOBJTTYXKYUHGWFTDXEKQFNVABODMMDZCDBEDTXYUXPORLHRDAQZPHHCTTBQAOUVJBWOMPXTNFLJUSIQQTCRMQIFWKCLKUPIZQAOJXEXGTQQGRBZVJKTWGFMUUZPMLFQEFFDTZRO", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-1191", "text": "DTTGRORFHYPNTJVMSLZCTANYEJWWSUBEOHYVTLGZIGWSDVNTBGJSDSJNIZBFAAQCIOUYSDPSEPVDNHOEOOQONDFP", "ciphertext": "DTTGRORFHYPNTJVMSLZCTANYEJWWSUBEOHYVTLGZIGWSDVNTBGJSDSJNIZBFAAQCIOUYSDPSEPVDNHOEOOQONDFP", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0409", "text": "AIYUXQMHXLQXJPCWPBDWXRUCWUJFVYQTXCBYJBQLFNAHGDVKAISELOYUUWZDNDSPFLUBWBOJYRMLVHYDWJVCDWQVYBCRMZRSJWDCFMAFRFVTLDPJWHCGSYRQEJYFUBIKPMTBRECJXQSPJBWHESOLAQSKLVTVDNH", "ciphertext": "AIYUXQMHXLQXJPCWPBDWXRUCWUJFVYQTXCBYJBQLFNAHGDVKAISELOYUUWZDNDSPFLUBWBOJYRMLVHYDWJVCDWQVYBCRMZRSJWDCFMAFRFVTLDPJWHCGSYRQEJYFUBIKPMTBRECJXQSPJBWHESOLAQSKLVTVDNH", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 159, "length": 159, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "null-cipher-v2-0029", "text": "part at that its each now call each before right into name get show very its come the of right your", "ciphertext": "part at that its each now call each before right into name get show very its come the of right your", "plaintext": "PATIENCE BRINGS VICTORY", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "first"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0443", "text": "SKEINOKKZPZBGEAVYZHWQBQIQQXFFWEBHMIXRHLJQGBMJZVPIWQQVMBRCFYXGIOMTAULTQNRGX", "ciphertext": "SKEINOKKZPZBGEAVYZHWQBQIQQXFFWEBHMIXRHLJQGBMJZVPIWQQVMBRCFYXGIOMTAULTQNRGX", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v3-0019", "text": "100 998 800 811 802 807 804 812 808 818 819 999 998 818 820 802 802 804 804 803 818 999", "ciphertext": "100 998 800 811 802 807 804 812 808 818 819 999 998 818 820 802 802 804 804 803 818 999", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v3-0041", "text": "100 998 819 804 811 804 806 817 800 815 807 999 998 819 817 800 813 818 812 808 819 818 999", "ciphertext": "100 998 819 804 811 804 806 817 800 815 807 999 998 819 817 800 813 818 812 808 819 818 999", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019274", "text": "27 60 34 1 99 11 63 1 34 33 70 68 68 72 26 39 11 94 45 14 96 52 11 88 72 78 66 25 50 34 22 82 43 72 15 66 81 57 91 94 23 30 66 67 58 2 58 41 63 58 33 50 23 58 79 48 43 80 99 26 78 39 22 64 57 23 46 76 34 91 17 33 35 45 4 40 32 99 93 68 41 68 94 33 63 30 27 41 61 1 93 3 35 66 63 17 22 3 23 99 21 58 92 63 60 50 63 2 49 58 11 76 61 39 23 91 68 33 58 11 43 49 4 14 30 91 2 70 33 45 14 50 39 41", "ciphertext": "27 60 34 1 99 11 63 1 34 33 70 68 68 72 26 39 11 94 45 14 96 52 11 88 72 78 66 25 50 34 22 82 43 72 15 66 81 57 91 94 23 30 66 67 58 2 58 41 63 58 33 50 23 58 79 48 43 80 99 26 78 39 22 64 57 23 46 76 34 91 17 33 35 45 4 40 32 99 93 68 41 68 94 33 63 30 27 41 61 1 93 3 35 66 63 17 22 3 23 99 21 58 92 63 60 50 63 2 49 58 11 76 61 39 23 91 68 33 58 11 43 49 4 14 30 91 2 70 33 45 14 50 39 41", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 134, "length": 134, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0298", "text": "NPBBDGSIVQEGMUDVORCVKDFFGYXBPJSDSINPBPCZUYWBBVSTVLSEDGMBGVADMMYK", "ciphertext": "NPBBDGSIVQEGMUDVORCVKDFFGYXBPJSDSINPBPCZUYWBBVSTVLSEDGMBGVADMMYK", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-119", "text": "XXRTQXNRLKELMDKSLCVXYQLYQIPAILSFIDDDGUIWGFUVWUPDKDTWOKDUXDBVEVIJZHXXTPXAGMMDHFHYTORYVDQPEGARUTLPNOGUFIPNRETSNLQWKJDFRCTHNJQKEDYEWGVNYAIJIAIYZFBEABUB", "ciphertext": "XXRTQXNRLKELMDKSLCVXYQLYQIPAILSFIDDDGUIWGFUVWUPDKDTWOKDUXDBVEVIJZHXXTPXAGMMDHFHYTORYVDQPEGARUTLPNOGUFIPNRETSNLQWKJDFRCTHNJQKEDYEWGVNYAIJIAIYZFBEABUB", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v2-1012", "text": "QRQWSIRSHPDPMCWGDBGPORSAFZPEPTEAASLCBWBFRZPRSHZRZOMPODQRQWSIWRUDODUMNMAUCBIMHPDP", "ciphertext": "QRQWSIRSHPDPMCWGDBGPORSAFZPEPTEAASLCBWBFRZPRSHZRZOMPODQRQWSIWRUDODUMNMAUCBIMHPDP", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0348", "text": "UFMRJGGMQGWYYUMPMDQWGSWZAMIVAMAXLQVVGCVQULJYPVYAVYWYAXQVHDFUWGMQJIWJYUVUFMDQMWUSWQ", "ciphertext": "UFMRJGGMQGWYYUMPMDQWGSWZAMIVAMAXLQVVGCVQULJYPVYAVYWYAXQVHDFUWGMQJIWJYUVUFMDQMWUSWQ", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0382", "text": "IQHSRQEUTPDEDKHKGY", "ciphertext": "IQHSRQEUTPDEDKHKGY", "plaintext": "CROSS THE RUBICON NOW", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0461", "text": "OQQGMOVXFKDQXRTDAOTGBDYEMYTLLKDXCMCWGHOJKEEYIJROPHFPVTHKQMPFASURSXVQDQSWBUBJDZM", "ciphertext": "OQQGMOVXFKDQXRTDAOTGBDYEMYTLLKDXCMCWGHOJKEEYIJROPHFPVTHKQMPFASURSXVQDQSWBUBJDZM", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "JKL"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0190", "text": "ZVEBJFGGJGZYUVHZNABKHIHQXITAQPLYJBRFPJPZDPQOPXIARFHHHVIQDXVCNTLICWWOEBBETWNTIMSZ", "ciphertext": "ZVEBJFGGJGZYUVHZNABKHIHQXITAQPLYJBRFPJPZDPQOPXIARFHHHVIQDXVCNTLICWWOEBBETWNTIMSZ", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0410", "text": "MFQWOQXPEANCIXRQAFEOAGEBFNJFSEXOFYPBFHHFJWQEANVSQJEAGKHADGXQBFKIMKRIQXDFONRJDDFSWRFUEYKRJZVLJWNIFFJEANXAAGXDDJDKWXHEDQELHFMAFZQHDZMSKZLVCFPHZEXKJBFJVJWVMALHQBJQ", "ciphertext": "MFQWOQXPEANCIXRQAFEOAGEBFNJFSEXOFYPBFHHFJWQEANVSQJEAGKHADGXQBFKIMKRIQXDFONRJDDFSWRFUEYKRJZVLJWNIFFJEANXAAGXDDJDKWXHEDQELHFMAFZQHDZMSKZLVCFPHZEXKJBFJVJWVMALHQBJQ", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0218", "text": "ULGPBESUQDDGYLORMCODRZBBSTOX", "ciphertext": "ULGPBESUQDDGYLORMCODRZBBSTOX", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0743", "text": "ITBNGZUPOQVWEVLVZSILXFCDDWMFHMALKJMDYZDKDYPYPBYCZZCREDBEIJFZLLICRAOGOVBMHOEASLLPCVAZZKMCWSNXTTFUAPCUNOSYQJGBWSOLIBXOODTDYEBHSNWSSRNJOKIJBDNJFQBUHMUAYWVNJACFIVKZBABLLVAWI", "ciphertext": "ITBNGZUPOQVWEVLVZSILXFCDDWMFHMALKJMDYZDKDYPYPBYCZZCREDBEIJFZLLICRAOGOVBMHOEASLLPCVAZZKMCWSNXTTFUAPCUNOSYQJGBWSOLIBXOODTDYEBHSNWSSRNJOKIJBDNJFQBUHMUAYWVNJACFIVKZBABLLVAWI", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "PQR"}, "difficulty": "expert", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-174", "text": "TCCZHPWXPIEQCXUUBCCXDSHQBIEPYMBUGFQQIGIQBQUQXAGAQGJQPHFURWNTFU", "ciphertext": "TCCZHPWXPIEQCXUUBCCXDSHQBIEPYMBUGFQQIGIQBQUQXAGAQGJQPHFURWNTFU", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0003181", "text": "NGON FURA PBQR FOLE RIRE FVAT GURN YCUN ORGT EBAF SRYQ HFRF NQVT VGFR DHRA PRNF GURE RCRN GVAT XRLN GENA FCNE RAGG BBYF UBHY QFUB JVGF ERNF BAVA TUHZ NAER NQNO YRBH GCHG FUBH YQFU BJNY YERN FBAV ATFG RCF", "ciphertext": "NGON FURA PBQR FOLE RIRE FVAT GURN YCUN ORGT EBAF SRYQ HFRF NQVT VGFR DHRA PRNF GURE RCRN GVAT XRLN GENA FCNE RAGG BBYF UBHY QFUB JVGF ERNF BAVA TUHZ NAER NQNO YRBH GCHG FUBH YQFU BJNY YERN FBAV ATFG RCF", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY A TRANSPARENT TOOL SHOULD SHOW ITS REASONING HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 163, "length": 163, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v3-0268", "text": "HWEVFKCACDAIGKCCFVLIMGVMJQA7CVREIFI57BHHO7CAKHH5LBDMTE2BGAAHC7MQVGEWOHNVVW", "ciphertext": "HWEVFKCACDAIGKCCFVLIMGVMJQA7CVREIFI57BHHO7CAKHH5LBDMTE2BGAAHC7MQVGEWOHNVVW", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0065", "text": "YTJFEYYPJSZLNHUIMQXJHVEZYWKNXANWKGGZRNKEQZYMSCNMJVUILKDGVGROPAVMEGYSJOLDYAC", "ciphertext": "YTJFEYYPJSZLNHUIMQXJHVEZYWKNXANWKGGZRNKEQZYMSCNMJVUILKDGVGROPAVMEGYSJOLDYAC", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016780", "text": "52 45 14 67 39 33 60 58 27 15 50 63 26 50 59 25 66 45 70 1 63 63 96 49 23 11 87 45 30 32 40 15 2 3 33 70 35 58 92 63 25 59 45 99 68 86 49 35 33 68 94 22 79 59 24 22 70 22 34 33 21 59 63 17 22 3 14 11 48 43 27 34 33 63 22 82 68 59 99 57 80 48 41 86 76 34 62 60 88 23 27 14 60 76 80 23 41 21 93 63 94 22 34 33 53 25 33 81 52 50 91 88 23 80 33 92 86 66 25 88 91 88 22 63 39 82 66 99 60 33 53 91 93 91 11 33 96 61 1 96 78 27 41 43", "ciphertext": "52 45 14 67 39 33 60 58 27 15 50 63 26 50 59 25 66 45 70 1 63 63 96 49 23 11 87 45 30 32 40 15 2 3 33 70 35 58 92 63 25 59 45 99 68 86 49 35 33 68 94 22 79 59 24 22 70 22 34 33 21 59 63 17 22 3 14 11 48 43 27 34 33 63 22 82 68 59 99 57 80 48 41 86 76 34 62 60 88 23 27 14 60 76 80 23 41 21 93 63 94 22 34 33 53 25 33 81 52 50 91 88 23 80 33 92 86 66 25 88 91 88 22 63 39 82 66 99 60 33 53 91 93 91 11 33 96 61 1 96 78 27 41 43", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE VIGENERE CIPHER USES A REPEATING KEYWORD THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF ALWAYS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v3-0993", "text": "RK CJMCJCRY WJD IOYKJD RBO MPKJRCOP KM BTHWJ FJKVGODAO SWGGQ RK OWSB AOJOPWRCKJ WJOV", "ciphertext": "RK CJMCJCRY WJD IOYKJD RBO MPKJRCOP KM BTHWJ FJKVGODAO SWGGQ RK OWSB AOJOPWRCKJ WJOV", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "beginner", "language": "en", "text_length": 71, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0488", "text": "PEJXRINGAVXYFLSBXDNTWEEJINBRLXQZJNRSUOLKPNLVYWENSUUHROBCHQUEGITDCULJGFEEWWNIVTIOBJGFEEJLAPUSQFAZMYAXWWLMFDVIXNMQAXJINBRLXQRNYUUQHNAPLIEK", "ciphertext": "PEJXRINGAVXYFLSBXDNTWEEJINBRLXQZJNRSUOLKPNLVYWENSUUHROBCHQUEGITDCULJGFEEWWNIVTIOBJGFEEJLAPUSQFAZMYAXWWLMFDVIXNMQAXJINBRLXQRNYUUQHNAPLIEK", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-092", "text": "BAIYEAHHULSKGNLOEQQKMEWYPRBMCSPTLBHWXOMODXLBHS", "ciphertext": "BAIYEAHHULSKGNLOEQQKMEWYPRBMCSPTLBHWXOMODXLBHS", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0010737", "text": "GUS PRFG YRFFBAF FUBJ JVSER GVR ZSGUBR SOVYF QORFOE FVWSGSR GVS OYCVNPSG PL GUESR CBFVGWBAF FYBJYL", "ciphertext": "GUS PRFG YRFFBAF FUBJ JVSER GVR ZSGUBR SOVYF QORFOE FVWSGSR GVS OYCVNPSG PL GUESR CBFVGWBAF FYBJYL", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS SLOWLY", "label": "porta", "cipher": "porta", "key": {"key": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "solitaire-015", "text": "GJKJRLFGJRVSFBZ", "ciphertext": "GJKJRLFGJRVSFBZ", "plaintext": "OPERATION BEGINS", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v2-0348", "text": "AAHYAZGCDWCJIUHEXXSNSAFIMFEDNUKNUYBAIXTCPUUGSVXPDHWAGPVIOWYDJZSDPKSWAGHLVIOADSXAJS", "ciphertext": "AAHYAZGCDWCJIUHEXXSNSAFIMFEDNUKNUYBAIXTCPUUGSVXPDHWAGPVIOWYDJZSDPKSWAGHLVIOADSXAJS", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-195", "text": "DMREHWBDU QRJBUN", "ciphertext": "DMREHWBDU QRJBUN", "plaintext": "OPERATION BEGINS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 9, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-325", "text": "PMTOYIOSTOBDORW", "ciphertext": "PMTOYIOSTOBDORW", "plaintext": "SILENCE IS GOLDEN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DOG"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v3-0154", "text": "HQ DR PLJHQQHQJ HU DR LQM XQM HQ DR LQM HU DR PLJHQQHQJ XU WIL NSLLQ CK UOCWU FQLT TLEE", "ciphertext": "HQ DR PLJHQQHQJ HU DR LQM XQM HQ DR LQM HU DR PLJHQQHQJ XU WIL NSLLQ CK UOCWU FQLT TLEE", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-082", "text": "PEPUXDYIXFOIKIQOIT", "ciphertext": "PEPUXDYIXFOIKIQOIT", "plaintext": "AWAIT FURTHER ORDERS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0379", "text": "DMQRCYEQSOSN", "ciphertext": "DMQRCYEQSOSN", "plaintext": "THE DIE IS CAST", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0358", "text": "DVJASOHLAHAS4BR5FASABBRPPBAAJFJMBO7N7JWRJMO2FAHDOUJLXHNYXZJCQJIF6LVN3IGTMLEK5GZWO", "ciphertext": "DVJASOHLAHAS4BR5FASABBRPPBAAJFJMBO7N7JWRJMO2FAHDOUJLXHNYXZJCQJIF6LVN3IGTMLEK5GZWO", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0426", "text": "CBKDVALVDHSTQVBBUKYSEXXTYIRZNPCMTUGJWYODSTOSEZEDINEWRTLAXCZZCULTIZUV", "ciphertext": "CBKDVALVDHSTQVBBUKYSEXXTYIRZNPCMTUGJWYODSTOSEZEDINEWRTLAXCZZCULTIZUV", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0317", "text": "YUQYJJDBSUKEEVLNPIRKYYRXMXARVTBPWUCPAVDPCDDIJWABQWRENCSEUADAIRZPDOFPSJOAOR", "ciphertext": "YUQYJJDBSUKEEVLNPIRKYYRXMXARVTBPWUCPAVDPCDDIJWABQWRENCSEUADAIRZPDOFPSJOAOR", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0336", "text": "KWUWUENTIOSMISLLSOUSRTOTITHSWODEHDHEITLHOGISOGMRETMNNIUAAODIIAGWTRTWGWSDADCUEYEANOL", "ciphertext": "KWUWUENTIOSMISLLSOUSRTOTITHSWODEHDHEITLHOGISOGMRETMNNIUAAODIIAGWTRTWGWSDADCUEYEANOL", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-1052", "text": "SYEEHLVEUWEMRDHNTANRASTAVNSHEDNBHTAETBOIIORTAREOCDTFISIEDTAMEEEETATC", "ciphertext": "SYEEHLVEUWEMRDHNTANRASTAVNSHEDNBHTAETBOIIORTAREOCDTFISIEDTAMEEEETATC", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0078", "text": "FHRFLEVWVFBAYNVAKTKVZTFVVIPVLRZGRKUJGKQRFIBPDMLASLFMRGAMFZJROEGQMEUXMEBUONPG", "ciphertext": "FHRFLEVWVFBAYNVAKTKVZTFVVIPVLRZGRKUJGKQRFIBPDMLASLFMRGAMFZJROEGQMEUXMEBUONPG", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0470", "text": "EPJJPWMNVQRVYFRLCWROMXIQDABYOKVLWJLRCGJMFDKJWZBXZRKXNORDYYWQAZRARETUTZNJNQVXXM", "ciphertext": "EPJJPWMNVQRVYFRLCWROMXIQDABYOKVLWJLRCGJMFDKJWZBXZRKXNORDYYWQAZRARETUTZNJNQVXXM", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-199", "text": "YGTPQZGYEPZKSREY", "ciphertext": "YGTPQZGYEPZKSREY", "plaintext": "NO PRISONERS TAKEN", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-037", "text": "66 39 105 59 66 79 69 39 76 59 36 99 88 67 65 66 39 105 59 66 79 58 50 69 79 58 67 49 39 78 77 40 99 45 39 77 68 58 79 55 36 108", "ciphertext": "66 39 105 59 66 79 69 39 76 59 36 99 88 67 65 66 39 105 59 66 79 58 50 69 79 58 67 49 39 78 77 40 99 45 39 77 68 58 79 55 36 108", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "RUSSIAN", "keyword": "KEY"}, "difficulty": "advanced", "language": "en", "text_length": 87, "length": 128, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v3-0010", "text": "26195 26184 26197 26180 26198 26195 26184 26197 26180 26180 26183 26180 26198 26199 26197 26180", "ciphertext": "26195 26184 26197 26180 26198 26195 26184 26197 26180 26180 26183 26180 26198 26199 26197 26180", "plaintext": "PER ASPERA AD ASTRA", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "homophonic-v2-0009", "text": "58 72 72 89 32 58 54 80 93 89 52 66 57 91 47 53 80 93", "ciphertext": "58 72 72 89 32 58 54 80 93 89 52 66 57 91 47 53 80 93", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "homophonic", "cipher": "homophonic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0456", "text": "HMWVIVYURAJAYRVNOOTOFVFDBD+M+JTDWNUVLL+JJOBSISFGNMRG+BHUFDMKFEKYYFDIUYTFSYSVY", "ciphertext": "HMWVIVYURAJAYRVNOOTOFVFDBD+M+JTDWNUVLL+JJOBSISFGNMRG+BHUFDMKFEKYYFDIUYTFSYSVY", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0456", "text": "DPCRZFDXABWLFMMZFXELIWTERTVKODJPDRWESLZBWVDPRCAREOSVMRODNKDTYMSSOCNOXJFPJSTFM", "ciphertext": "DPCRZFDXABWLFMMZFXELIWTERTVKODJPDRWESLZBWVDPRCAREOSVMRODNKDTYMSSOCNOXJFPJSTFM", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018394", "text": "UYYTY YCBGC YWGRW FRIRA UHFMO IUIWO XTJXP WHXAT YMLBE QUJEC DIYIS YKJOW IPWLS IUKBY SEWZX JSWQS JQMFW PKGLP PNGHQ KQZJE AMYYI QOXBM MCUMM WSJIP BQCOW VPTRI POOKV GZJTW DCFXW XWQZA XDJJB INWXO CXFGZ TWIRX FGKXH Q", "ciphertext": "UYYTY YCBGC YWGRW FRIRA UHFMO IUIWO XTJXP WHXAT YMLBE QUJEC DIYIS YKJOW IPWLS IUKBY SEWZX JSWQS JQMFW PKGLP PNGHQ KQZJE AMYYI QOXBM MCUMM WSJIP BQCOW VPTRI POOKV GZJTW DCFXW XWQZA XDJJB INWXO CXFGZ TWIRX FGKXH Q", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "adfgx-v3-0092", "text": "FAXXXGFDGGXDXDXXDXGFAGGXFAXAXGAGXGGDGDXGDGXFDAGGXDAXDGDFFDDDGAGFFGFADAGDDGAAFFDFFXFFAGAGFAXAGFAXDAAAXGADFDGFDGGGXGXAAGDGFGXXGXGFDDGXAGAGDFGDDXXFGFXXDFFXDDGFGDFDXGFGGGGDFFGAXGGDFGGGDAAFFXGFXAXADDADAAAFADGAFDAFFFXAAAFFXAFDGGDFXDGFGADFDFAADGAADAGAAAFDGAAAAFFAADFGGFAFAAFXDDXXXGGXDDDXAGFDXXXXXDGXFGXXXXXGXFFXFAFGXDGGDXXDAFXD", "ciphertext": "FAXXXGFDGGXDXDXXDXGFAGGXFAXAXGAGXGGDGDXGDGXFDAGGXDAXDGDFFDDDGAGFFGFADAGDDGAAFFDFFXFFAGAGFAXAGFAXDAAAXGADFDGFDGGGXGXAAGDGFGXXGXGFDDGXAGAGDFGDDXXFGFXXDFFXDDGFGDFDXGFGGGGDFFGAXGGDFGGGDAAFFXGFXAXADDADAAAFADGAFDAFFFXAAAFFXAFDGGDFXDGFGADFDFAADGAADAGAAAFDGAAAAFFAADFGGFAFAAFXDDXXXGGXDDDXAGFDXXXXXDGXFGXXXXXGXFFXFAFGXDGGDXXDAFXD", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 320, "length": 320, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0266", "text": "SDAHECDSYLUQAANPLJTEQSBKSQSBPQHANSSDLQAQUKQSDLUQBKTQLNYABPQRANLPAYLUPREPSD", "ciphertext": "SDAHECDSYLUQAANPLJTEQSBKSQSBPQHANSSDLQAQUKQSDLUQBKTQLNYABPQRANLPAYLUPREPSD", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0598", "text": "FALDRDXTQVPAMESJPWNEAASSFENRJRGANIPGKQATRJQPESANJQSSGHQQSKVWAPSAJWMGDRTQMAPSJEQPCFMMGMEDQSEGFMCGSMS", "ciphertext": "FALDRDXTQVPAMESJPWNEAASSFENRJRGANIPGKQATRJQPESANJQSSGHQQSKVWAPSAJWMGDRTQMAPSJEQPCFMMGMEDQSEGFMCGSMS", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 99, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-029", "text": "IREEPIYXHWOTEBTA", "ciphertext": "IREEPIYXHWOTEBTA", "plaintext": "LOCK DOWN ALL GATES", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "M94"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "joseon-yeokhak-v2-0132", "text": "HVSDOGGWGVSZR", "ciphertext": "HVSDOGGWGVSZR", "plaintext": "THE PASS IS HELD", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v2-0028", "text": "ZUZUZ DAZUZ SAZUZ BEZUZ WAZUZ BAZUZ JAZUZ GAZUZ XUZUZ GABAB ZUZUZ FAZUZ BAZUZ WAZUZ NAZUZ RAZUZ GAZUZ XAZUZ XAZUZ XUZUZ", "ciphertext": "ZUZUZ DAZUZ SAZUZ BEZUZ WAZUZ BAZUZ JAZUZ GAZUZ XUZUZ GABAB ZUZUZ FAZUZ BAZUZ WAZUZ NAZUZ RAZUZ GAZUZ XAZUZ XAZUZ XUZUZ", "plaintext": "COURAGE IN DARKNESS", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 100, "length": 119, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0054", "text": "PRXYQJTYQNCYHTERQKCESGUKVWJEHIHLRNCDCRTBAWIRMOOAUSNTFKWWYGGWQDMZRIZSBUKIEOP", "ciphertext": "PRXYQJTYQNCYHTERQKCESGUKVWJEHIHLRNCDCRTBAWIRMOOAUSNTFKWWYGGWQDMZRIZSBUKIEOP", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0299", "text": "IBFYLKECTQVBICVLJHMGYPIGXEKNAPUOAUHFTFJHOWIBXYFUDVCRTHFPFAUSWZURZF", "ciphertext": "IBFYLKECTQVBICVLJHMGYPIGXEKNAPUOAUHFTFJHOWIBXYFUDVCRTHFPFAUSWZURZF", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018048", "text": "TTSLROGXBHNOAFKNBTNVXMJNMTYYCEELHE", "ciphertext": "TTSLROGXBHNOAFKNBTNVXMJNMTYYCEELHE", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 34, "length": 34, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0010022", "text": "DEOISIENTIPXPMAETQIENCESAGPLAPRPTREHXXSPCTNHTGUFUOTSPDICRSDRBFRUTSEXASEFTNERXOAIMHTRARLEHIEHIEETLCIREE", "ciphertext": "DEOISIENTIPXPMAETQIENCESAGPLAPRPTREHXXSPCTNHTGUFUOTSPDICRSDRBFRUTSEXASEFTNERXOAIMHTRARLEHIEHIEETLCIREE", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 102, "length": 102, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "vic-v2-0433", "text": "9082287183802408583721909583892902186685928381838568680268639082293838585904320286383906816838689906858504289686390821269089", "ciphertext": "9082287183802408583721909583892902186685928381838568680268639082293838585904320286383906816838689906858504289686390821269089", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 124, "length": 124, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012681", "text": "66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55 82 43 89 69 80 11 66 36 82 76 69 59 80 61 72 59 68 80 82 52 50 65 36 82 80 59 61 82 61 66 89 69 55 82 43 89 69 80 11 65 69 57 43 20 50 59 61 61 72 59 68 80 82 61", "ciphertext": "66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55 82 43 89 69 80 11 66 36 82 76 69 59 80 61 72 59 68 80 82 52 50 65 36 82 80 59 61 82 61 66 89 69 55 82 43 89 69 80 11 65 69 57 43 20 50 59 61 61 72 59 68 80 82 61", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "m209-v3-0122", "text": "KMAFAVYNFSQJWXDNIML", "ciphertext": "KMAFAVYNFSQJWXDNIML", "plaintext": "TREACHERY IN THE COURT", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012870", "text": "4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 16 5 5 18 18 5 22 9 5 23 1 14 4 18 5 16 18 15 4 21 3 9 2 9 12 9 20 25 13 1 20 20 5 18 9 14 18 5 19 5 1 18 3 8 11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 20 9 15 14", "ciphertext": "4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 16 5 5 18 18 5 22 9 5 23 1 14 4 18 5 16 18 15 4 21 3 9 2 9 12 9 20 25 13 1 20 20 5 18 9 14 18 5 19 5 1 18 3 8 11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 20 9 15 14", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 203, "length": 203, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0012360", "text": "0391 04121 4722 1307 01628 03857 1004 00346 4461 00952 03789 00374 6023 06003 2859 1917 7926 5027 00334 6335 06375 1621 05734 04436 06056 0658 6657 6305 2895 6295 01003 00380 04460 0368 3821 05987 04724 0693 1612 7298 5733 04782 4400 2230 06351 05653 0396 04406 5970 05071 04803 06022 02862 06306 2887 4761 4420 00991 02872 05075 02579 1610 5705 06006 05670 01668 00405 05698 05716 0359 04485 02230 01609 3772 1609 06308 06347 1664 5709 05982 7224 02855 06330 2528 04762 06646 6359 5982 6646 0700 06001 6309 2858 6331 6604 06355 2843 4806 4457", "ciphertext": "0391 04121 4722 1307 01628 03857 1004 00346 4461 00952 03789 00374 6023 06003 2859 1917 7926 5027 00334 6335 06375 1621 05734 04436 06056 0658 6657 6305 2895 6295 01003 00380 04460 0368 3821 05987 04724 0693 1612 7298 5733 04782 4400 2230 06351 05653 0396 04406 5970 05071 04803 06022 02862 06306 2887 4761 4420 00991 02872 05075 02579 1610 5705 06006 05670 01668 00405 05698 05716 0359 04485 02230 01609 3772 1609 06308 06347 1664 5709 05982 7224 02855 06330 2528 04762 06646 6359 5982 6646 0700 06001 6309 2858 6331 6604 06355 2843 4806 4457", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0020883", "text": "KERCK HOFFS PRINC IPLES AYSTH ESYSX EMMUS TBESX CUREX VENIZ ENEMZ KNOWX ALGOR ITHMA LANTU RINGB ROKEE NIGMA WITHZ RIBSX NDTHX BOMBZ MACHX NETHE ARCHI TECTU RESHO ULDMA KEMIS USEHA RDERZ ERTAI NLYXZ", "ciphertext": "KERCK HOFFS PRINC IPLES AYSTH ESYSX EMMUS TBESX CUREX VENIZ ENEMZ KNOWX ALGOR ITHMA LANTU RINGB ROKEE NIGMA WITHZ RIBSX NDTHX BOMBZ MACHX NETHE ARCHI TECTU RESHO ULDMA KEMIS USEHA RDERZ ERTAI NLYXZ", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CERTAINLY", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 165, "length": 165, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "polybius-v2-0086", "text": "11 31 11 33 44 45 42 24 33 22 11 33 14 22 34 42 14 34 33 52 15 31 13 23 32 11 33 12 45 24 31 44 44 23 15 12 34 32 12 15 44 34 11 44 44 11 13 25 44 23 15 22 15 42 32 11 33 15 33 24 22 32 11 13 24 35 23 15 42 32 11 13 23 24 33 15", "ciphertext": "11 31 11 33 44 45 42 24 33 22 11 33 14 22 34 42 14 34 33 52 15 31 13 23 32 11 33 12 45 24 31 44 44 23 15 12 34 32 12 15 44 34 11 44 44 11 13 25 44 23 15 22 15 42 32 11 33 15 33 24 22 32 11 13 24 35 23 15 42 32 11 13 23 24 33 15", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 152, "length": 227, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-la-124", "text": "GXFH FX BFINGX ETVXLLBM", "ciphertext": "GXFH FX BFINGX ETVXLLBM", "plaintext": "NEMO ME IMPUNE LACESSIT", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 19}, "difficulty": "beginner", "language": "la", "text_length": 20, "length": 23, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "joseon-yeokhak-021", "text": "FTQNDUPSQUEEQOGDQP", "ciphertext": "FTQNDUPSQUEEQOGDQP", "plaintext": "THE BRIDGE IS SECURED", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "YEOKHAK"}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v3-0454", "text": "BSXTYOPVB+JURLRRSLX", "ciphertext": "BSXTYOPVB+JURLRRSLX", "plaintext": "MEASURE TWICE CUT ONCE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v3-0059", "text": "RZNSXFZSXUIKRFLEXMHXCCXLWYFRTHYNJZHOBSFUKMQTUTPLIKXWCNXGGBXUNQMRLPLAGSYXAR", "ciphertext": "RZNSXFZSXUIKRFLEXMHXCCXLWYFRTHYNJZHOBSFUKMQTUTPLIKXWCNXGGBXUNQMRLPLAGSYXAR", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0333", "text": "OCZDIQMUURMFMOLALLZOEXPYWGNARFMFEGGRPHBJTUTDLSWPWMUGIKFNBGLYDRDHADIWVYQOWJLDEZWYI", "ciphertext": "OCZDIQMUURMFMOLALLZOEXPYWGNARFMFEGGRPHBJTUTDLSWPWMUGIKFNBGLYDRDHADIWVYQOWJLDEZWYI", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "GOTHIC"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0058", "text": "QGL EUHGQ ACI ZLL JVCD MUZQYXQ ZQYVZ ELJQ QGCZL ZIXZ QGCIZYXMZ CJ ALYVZ PLJCVL ACIV PUVQG", "ciphertext": "QGL EUHGQ ACI ZLL JVCD MUZQYXQ ZQYVZ ELJQ QGCZL ZIXZ QGCIZYXMZ CJ ALYVZ PLJCVL ACIV PUVQG", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015374", "text": "ctaiin kaiiin qokeedy chedal sheedy ytaiin choldaiin okeedy sheedy choldaiin okal ykcheol otedy choldaiin okeedy qokeedy chol lkaiin okain okeedy", "ciphertext": "ctaiin kaiiin qokeedy chedal sheedy ytaiin choldaiin okeedy sheedy choldaiin okal ykcheol otedy choldaiin okeedy qokeedy chol lkaiin okain okeedy", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "fractionated-morse-109", "text": "OMFAWNJJLXOMFAXCAOSSBSPBGSNSBSWOAMCAXCATBSSBBMFAFUHSVXCAWSVVD", "ciphertext": "OMFAWNJJLXOMFAXCAOSSBSPBGSNSBSWOAMCAXCATBSSBBMFAFUHSVXCAWSVVD", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 61, "length": 61, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-v2-0205", "text": "44 28 37 59 67 83 41 75 81 56 72 66 37 20 25 41 44 66 82 83 26 63 25 71 68 28 89 20 17 70 16 63 37 18 83 69 28 66 72 84 22 63 44 32 41 37 75 34 82 28 67 63 84 66 20 56 22 28 67 83 37 56 72 63 25 71 77 20 75 28 44 12 34 41 67 84 26 83 22", "ciphertext": "44 28 37 59 67 83 41 75 81 56 72 66 37 20 25 41 44 66 82 83 26 63 25 71 68 28 89 20 17 70 16 63 37 18 83 69 28 66 72 84 22 63 44 32 41 37 75 34 82 28 67 63 84 66 20 56 22 28 67 83 37 56 72 63 25 71 77 20 75 28 44 12 34 41 67 84 26 83 22", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 158, "length": 236, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009818", "text": "EHSKEYORLSKNEYTHWNTBFURELSXAMLEPSCAIEOOCRW", "ciphertext": "EHSKEYORLSKNEYTHWNTBFURELSXAMLEPSCAIEOOCRW", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "FREEDOM"}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0021577", "text": "Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ r ⌐ ┌· L ⌐· X· └ └ ⌒·", "ciphertext": "Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ r ⌐ ┌· L ⌐· X· └ └ ⌒·", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CAREFULLY", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "easy", "language": "en", "text_length": 26, "length": 26, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "slidex-v3-0121", "text": "SSVLHTBWSBAVCYVNHMQM", "ciphertext": "SSVLHTBWSBAVCYVNHMQM", "plaintext": "THE KING DEMANDS FEALTY", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0583", "text": "NAJIRCMCHZPHNGLOSRLIRWFEMOAGNBCYWVCQFRQAQKWPPHWUZOFIBVRPQKRCATKQFEDQQKWPUSLSDQHV", "ciphertext": "NAJIRCMCHZPHNGLOSRLIRWFEMOAGNBCYWVCQFRQAQKWPPHWUZOFIBVRPQKRCATKQFEDQQKWPUSLSDQHV", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-167", "text": "HAPZR3RMXZG32GC5A3AEUZG57UWVVXREJ2M6SWK4CYWFCCXYW", "ciphertext": "HAPZR3RMXZG32GC5A3AEUZG57UWVVXREJ2M6SWK4CYWFCCXYW", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v3-0125", "text": "OXVNLCQPBDFRJSIQHPNNGWMKCR", "ciphertext": "OXVNLCQPBDFRJSIQHPNNGWMKCR", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0019", "text": "LXXBQEUAPUMLMJBCAZZL", "ciphertext": "LXXBQEUAPUMLMJBCAZZL", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-vi-0122", "text": "LPEE QH FB PGY A VAEE PGNVBM XHR PGY QBEE XHR UMBPQ PGY RGNBPMLSPOEB QSAGUN QSPQ XHR YH GHQ DGHV", "ciphertext": "LPEE QH FB PGY A VAEE PGNVBM XHR PGY QBEE XHR UMBPQ PGY RGNBPMLSPOEB QSAGUN QSPQ XHR YH GHQ DGHV", "plaintext": "CALL TO ME AND I WILL ANSWER YOU AND TELL YOU GREAT AND UNSEARCHABLE THINGS THAT YOU DO NOT KNOW", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "POLYBIUS"}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0231", "text": "VAAFFDFDDVFVFXAFDDGDDDAGVD", "ciphertext": "VAAFFDFDDVFVFXAFDDGDDDAGVD", "plaintext": "FULL SAIL AHEAD", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0231", "text": "DFADDGAGDDFDDAXDGGDDGAXGAADGAADFGAGDADGAFGDFXGADGAAFGFGDAGXAAADAGGXAXGXAFGGGDAAFADFGXDADAAGXXDAAAAGDXADAXGXGDAAXAAFDAXADDGFAXDDAGDGXGGAAGGFADGDAFDDAAAXDFDGGDAXGAGADADAAAGFAAAGDAFAGFAAGGFAXFXADFADGAFGAAGGGDAGXXADGDXAGGXFGDAAGAADFAGADFXADADAGAAGAFDXXDAGDXAAAFFAAXDAGGDAGDAFGGAFGFGADAFDDDDDDADAAFAGGDXFD", "ciphertext": "DFADDGAGDDFDDAXDGGDDGAXGAADGAADFGAGDADGAFGDFXGADGAAFGFGDAGXAAADAGGXAXGXAFGGGDAAFADFGXDADAAGXXDAAAAGDXADAXGXGDAAXAAFDAXADDGFAXDDAGDGXGGAAGGFADGDAFDDAAAXDFDGGDAXGAGADADAAAGFAAAGDAFAGFAAGGFAXFXADFADGAFGAAGGGDAGXXADGDXAGGXFGDAAGAADFAGADFXADADAGAAGAFDXXDAGDXAAAFFAAXDAGGDAGDAFGGAFGFGADAFDDDDDDADAAFAGGDXFD", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 300, "length": 300, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013323", "text": "2.5.4 18.6.10 12.6.6 7.3.2 13.3.7 5.1.7 19.3.6 10.1.10 15.6.2 12.6.2 11.5.10 6.3.1 12.5.1 15.1.4 8.1.6 19.5.10 8.2.2 3.6.4 20.3.3 9.3.9 19.3.6 7.3.10 15.2.5 8.3.1 18.1.7 12.1.10 7.3.5 16.2.10 4.5.6 13.6.3 8.1.10 14.3.5 9.5.8 11.6.9 10.5.1 15.3.10 13.6.4 16.1.9 3.3.7 9.6.7 16.2.10 16.1.9 1.1.9 2.2.3 10.4.9 5.4.7 3.5.8 1.1.2 19.1.5 17.5.2 16.3.8 3.4.4 3.5.7 18.2.1 10.1.10 19.3.10 18.5.3 9.2.7 5.5.8 13.3.6 19.3.3 18.2.7 9.4.3 7.1.6 20.6.5 11.5.10 7.3.6 8.5.3 16.6.10 15.6.8 18.1.8 7.6.2 8.3.4 19.3.5 18.4.9 4.4.5 7.6.10 17.4.4 10.6.3 17.6.10 11.2.2 3.6.8 16.5.7 16.5.4 3.5.8 20.1.7 5.4.5 3.6.2 13.6.4 16.5.3 1.4.7 2.4.2 16.2.8 2.5.1 9.3.1 8.4.9 15.4.3 10.5.4 6.3.1 20.3.2 11.1.2 1.5.4 9.3.6 17.6.2 1.2.5 6.4.4 7.6.6 13.5.5 11.5.5 3.1.2 18.2.7 3.4.10 4.2.5 4.3.7 11.6.9 18.1.5 17.2.4 13.3.6 3.5.4 7.6.8 15.5.3 15.4.2 9.4.9 7.2.3 4.6.1 7.2.7 11.1.1 15.2.4 9.2.2 9.5.4 2.5.5 11.2.6 10.4.10 11.3.3 12.2.1 9.4.2 8.2.1 16.3.7 3.4.7 17.3.5 16.1.5 4.3.8 11.2.8 19.6.7 14.1.7 3.4.5 10.1.7 1.4.8 3.5.6 10.3.4 4.4.7 12.1.8 19.5.10 13.5.2 10.2.6 15.6.2 3.1.9 7.5.9 2.4.9 3.6.2 19.1.1 11.4.7 14.3.8 2.2.2 18.3.2 7.3.5 6.3.4 16.5.5 13.3.4 13.1.3 19.3.8 13.3.1 19.6.2 9.3.9 8.2.4 15.4.4 4.2.6", "ciphertext": "2.5.4 18.6.10 12.6.6 7.3.2 13.3.7 5.1.7 19.3.6 10.1.10 15.6.2 12.6.2 11.5.10 6.3.1 12.5.1 15.1.4 8.1.6 19.5.10 8.2.2 3.6.4 20.3.3 9.3.9 19.3.6 7.3.10 15.2.5 8.3.1 18.1.7 12.1.10 7.3.5 16.2.10 4.5.6 13.6.3 8.1.10 14.3.5 9.5.8 11.6.9 10.5.1 15.3.10 13.6.4 16.1.9 3.3.7 9.6.7 16.2.10 16.1.9 1.1.9 2.2.3 10.4.9 5.4.7 3.5.8 1.1.2 19.1.5 17.5.2 16.3.8 3.4.4 3.5.7 18.2.1 10.1.10 19.3.10 18.5.3 9.2.7 5.5.8 13.3.6 19.3.3 18.2.7 9.4.3 7.1.6 20.6.5 11.5.10 7.3.6 8.5.3 16.6.10 15.6.8 18.1.8 7.6.2 8.3.4 19.3.5 18.4.9 4.4.5 7.6.10 17.4.4 10.6.3 17.6.10 11.2.2 3.6.8 16.5.7 16.5.4 3.5.8 20.1.7 5.4.5 3.6.2 13.6.4 16.5.3 1.4.7 2.4.2 16.2.8 2.5.1 9.3.1 8.4.9 15.4.3 10.5.4 6.3.1 20.3.2 11.1.2 1.5.4 9.3.6 17.6.2 1.2.5 6.4.4 7.6.6 13.5.5 11.5.5 3.1.2 18.2.7 3.4.10 4.2.5 4.3.7 11.6.9 18.1.5 17.2.4 13.3.6 3.5.4 7.6.8 15.5.3 15.4.2 9.4.9 7.2.3 4.6.1 7.2.7 11.1.1 15.2.4 9.2.2 9.5.4 2.5.5 11.2.6 10.4.10 11.3.3 12.2.1 9.4.2 8.2.1 16.3.7 3.4.7 17.3.5 16.1.5 4.3.8 11.2.8 19.6.7 14.1.7 3.4.5 10.1.7 1.4.8 3.5.6 10.3.4 4.4.7 12.1.8 19.5.10 13.5.2 10.2.6 15.6.2 3.1.9 7.5.9 2.4.9 3.6.2 19.1.1 11.4.7 14.3.8 2.2.2 18.3.2 7.3.5 6.3.4 16.5.5 13.3.4 13.1.3 19.3.8 13.3.1 19.6.2 9.3.9 8.2.4 15.4.4 4.2.6", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 177, "length": 177, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "null-cipher-v2-0013", "text": "said to about year they have each come old ueio right say each", "ciphertext": "said to about year they have each come old ueio right say each", "plaintext": "STAY THE COURSE", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "first"}, "difficulty": "advanced", "language": "en", "text_length": 50, "length": 62, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018927", "text": "6351 02593 1629 03774 02855 00710 05676 0351 5710 7869 5034 05745 1577 05996 1582 5723 6930 01571 06035 3474 4492 04710 07244 3780 1582 1290 02290 1609 01973 04726 05664 06360 02538 1626 00970 4739 04123 04152 06681 4492 02869 06375 7876", "ciphertext": "6351 02593 1629 03774 02855 00710 05676 0351 5710 7869 5034 05745 1577 05996 1582 5723 6930 01571 06035 3474 4492 04710 07244 3780 1582 1290 02290 1609 01973 04726 05664 06360 02538 1626 00970 4739 04123 04152 06681 4492 02869 06375 7876", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v3-0181", "text": "6892223218924615626239863242134227221614252137323863702389613457416263726902386142562623370703516134637637287082352342123", "ciphertext": "6892223218924615626239863242134227221614252137323863702389613457416263726902386142562623370703516134637637287082352342123", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 121, "length": 121, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-vf-0108", "text": "THTLBEETDTOWTUELSHOIANOUOHLOTNHHLNTLDWXOINNAEHWAIEDRHDSTNRLTIPRSGTLKEINEEFEIEHB", "ciphertext": "THTLBEETDTOWTUELSHOIANOUOHLOTNHHLNTLDWXOINNAEHWAIEDRHDSTNRLTIPRSGTLKEINEEFEIEHB", "plaintext": "THE TRUTH WILL OUT AND THE LIE WILL BE EXPOSED FOR THERE IS NOTHING HIDDEN THAT SHALL NOT BE KNOWN", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CRYPTIC"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014546", "text": "troop heads enter often notes enemy takes intel march early parts again depot intel stage track hours enter outer radio enemy turns issue could above", "ciphertext": "troop heads enter often notes enemy takes intel march early parts again depot intel stage track hours enter outer radio enemy turns issue could above", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v2-1083", "text": "SDR PRCEIRJS QDVHH VOUVJLR VS BEPQS HECDS QTMMKPSRO AY VPSEHHRPY KJ SDR RVQSRPJ BHVJG SKOVY", "ciphertext": "SDR PRCEIRJS QDVHH VOUVJLR VS BEPQS HECDS QTMMKPSRO AY VPSEHHRPY KJ SDR RVQSRPJ BHVJG SKOVY", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015497", "text": "AABB ABAA AAAB BABA BBAA BAAA BAAB ABAA BAAA BABA AAAB BBAA BBBA AABA ABAA BAAA BAAA AAAA ABBA BAAA AABB AABA AABA ABAB AAAB AABA AABB BBBA ABBA ABAA ABBA AAAA BAAA BAAA AAAA BAAA BBAA BAAA BBBA ABAA BAAA AAAB AAAB BBAA ABAA AAAA ABAA BAAB AAAA BBAA AABB AABA ABAA BAAB ABBA BAAB AAAB BBAA BAAA BBBA ABAB AAAA AABA BBAA ABAB AAAA AABA AABA AAAA AABA ABAA AABB BAAA BBBA ABAA BAAA AAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA BAAA BABB BAAA AAAA BAAA BAAA ABAA ABAB BABA ABAB ABAB AAAB AABA ABAB AABA AABA ABAA AABA AABB AAAB ABAA AABA BBBA ABBA BABA BAAB AAAA AAAB BAAA ABAA ABBA BBAA BBBA AABA BABA BABB AAAA AABA AABA AABA BABB ABAA BAAA AAAA BABA AABA AABA AABA AABA AAAA BAAA AABB ABAA ABBB AABB BAAA BAAB AAAA ABBA AAAB BABB ABAA ABAB BBAA AAAA BAAA ABAA BAAA AAAA BBAA BAAA BBAA BAAB BABA ABAA ABBA AAAA BABA AAAB ABBA ABBB ABAA BAAB ABBA ABAA BAAA BBAA ABAA AAAA ABBA AABA ABAA ABAA ABAA AAAA AABA ABAA ABAA AAAB AAAA BAAA BAAB BBAB AAAA ABAB BAAB AAAB AAAA ABBB AABA AABB BAAB AAAA AAAA BABA ABBB AAAB BBAA AAAA AAAB AABA ABAA BAAA AABB ABBA BAAB AAAB BBBA AAAA ABAA AABA AABB BAAB BABB AAAB ABAA ABAA BAAB AAAA BBAB ABBA ABAA AB", "ciphertext": "AABB ABAA AAAB BABA BBAA BAAA BAAB ABAA BAAA BABA AAAB BBAA BBBA AABA ABAA BAAA BAAA AAAA ABBA BAAA AABB AABA AABA ABAB AAAB AABA AABB BBBA ABBA ABAA ABBA AAAA BAAA BAAA AAAA BAAA BBAA BAAA BBBA ABAA BAAA AAAB AAAB BBAA ABAA AAAA ABAA BAAB AAAA BBAA AABB AABA ABAA BAAB ABBA BAAB AAAB BBAA BAAA BBBA ABAB AAAA AABA BBAA ABAB AAAA AABA AABA AAAA AABA ABAA AABB BAAA BBBA ABAA BAAA AAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA BAAA BABB BAAA AAAA BAAA BAAA ABAA ABAB BABA ABAB ABAB AAAB AABA ABAB AABA AABA ABAA AABA AABB AAAB ABAA AABA BBBA ABBA BABA BAAB AAAA AAAB BAAA ABAA ABBA BBAA BBBA AABA BABA BABB AAAA AABA AABA AABA BABB ABAA BAAA AAAA BABA AABA AABA AABA AABA AAAA BAAA AABB ABAA ABBB AABB BAAA BAAB AAAA ABBA AAAB BABB ABAA ABAB BBAA AAAA BAAA ABAA BAAA AAAA BBAA BAAA BBAA BAAB BABA ABAA ABBA AAAA BABA AAAB ABBA ABBB ABAA BAAB ABBA ABAA BAAA BBAA ABAA AAAA ABBA AABA ABAA ABAA ABAA AAAA AABA ABAA ABAA AAAB AAAA BAAA BAAB BBAB AAAA ABAB BAAB AAAB AAAA ABBB AABA AABB BAAB AAAA AAAA BABA ABBB AAAB BBAA AAAA AAAB AABA ABAA BAAA AABB ABBA BAAB AAAB BBBA AAAA ABAA AABA AABB BAAB BABB AAAB ABAA ABAA BAAB AAAA BBAB ABBA ABAA AB", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 910, "length": 910, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "bifid-v3-0013", "text": "RPCQLTTSSBGZRNOLODZRW", "ciphertext": "RPCQLTTSSBGZRNOLODZRW", "plaintext": "THE CASTLE IS SURROUNDED", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0222", "text": "DFAFGGFFDXXFFXDXDDAXGGAFDXXAAXAXDDAXFFGDGAXDDDADFDDAAAGGGFXFGDGADAXADFDFDAGGADAGFDDDGXXAADAAAFXGAAFFDGAAGFGGDGAGFAGADDADDGXXFAAADAGAAADAAAFFFDDGXFDAAAGGADFXXDDGGAXGFADFGFDXFFAAGXFDDDXAGAAAXAAAGFXGAAAAAAGAAAGDAXFADDFFXGAAAGDXDDXDADDDDFGFFGFXFDAXXFFDGXGDFDGADDADADGXAXAFFAGXGDAAGFAAGFGDXA", "ciphertext": "DFAFGGFFDXXFFXDXDDAXGGAFDXXAAXAXDDAXFFGDGAXDDDADFDDAAAGGGFXFGDGADAXADFDFDAGGADAGFDDDGXXAADAAAFXGAAFFDGAAGFGGDGAGFAGADDADDGXXFAAADAGAAADAAAFFFDDGXFDAAAGGADFXXDDGGAXGFADFGFDXFFAAGXFDDDXAGAAAXAAAGFXGAAAAAAGAAAGDAXFADDFFXGAAAGDXDDXDADDDDFGFFGFXFDAXXFFDGXGDFDGADDADADGXAXAFFAGXGDAAGFAAGFGDXA", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 286, "length": 286, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018213", "text": "K r· L ┘· ─ L K Γ· ┌ L ┐· ⌐ Γ Γ· X K r· L ┘· ┌· L K Γ· r ⌐ └ └ ⌒· X· ─ ¬ ┌· L ⌐ ┐ ⌐ ¬ └ L Γ· ⌐· X· X L Γ r ┘· ┌· ┌· L r K └ ⌒· ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ X └ ┘· ⌒ └ ⌒·", "ciphertext": "K r· L ┘· ─ L K Γ· ┌ L ┐· ⌐ Γ Γ· X K r· L ┘· ┌· L K Γ· r ⌐ └ └ ⌒· X· ─ ¬ ┌· L ⌐ ┐ ⌐ ¬ └ L Γ· ⌐· X· X L Γ r ┘· ┌· ┌· L r K └ ⌒· ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ X └ ┘· ⌒ └ ⌒·", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION SLOWLY", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 39, "length": 39, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "null-cipher-v3-0070", "text": "that each have follow utni down sound srai this show eioi right which utnu has", "ciphertext": "that each have follow utni down sound srai this show eioi right which utnu has", "plaintext": "THE WIND IS WITH US", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "last"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016416", "text": "45 63 48 70 43 45 14 34 35 22 91 26 76 96 50 82 39 30 26 78 93 70 52 23 63 33 99 52 23 70 68 79 22 34 59 46 66 35 1 25 59 26 99 60 58 1 15 43 63 26 50 59 25 66 76 99 35 93 63 94 33 34 50 3 23 27 34 3 1 99 24 23 96 48 91 91 48 58 50 78 49 25 17 45 32 91 43 14 67 50 60 49 91 14 60 49 45 99", "ciphertext": "45 63 48 70 43 45 14 34 35 22 91 26 76 96 50 82 39 30 26 78 93 70 52 23 63 33 99 52 23 70 68 79 22 34 59 46 66 35 1 25 59 26 99 60 58 1 15 43 63 26 50 59 25 66 76 99 35 93 63 94 33 34 50 3 23 27 34 3 1 99 24 23 96 48 91 91 48 58 50 78 49 25 17 45 32 91 43 14 67 50 60 49 91 14 60 49 45 99", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "kl7-041", "text": "CWDOWBKLWLCFOTOAKMECDTUPBYEYUZAGFSFHYBEFRYXZBKL", "ciphertext": "CWDOWBKLWLCFOTOAKMECDTUPBYEYUZAGFSFHYBEFRYXZBKL", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "TSEC"}, "difficulty": "expert", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v3-0548", "text": "XGAGGGAGAFFADAXFAAFFGAFDADGXGAGDAFDDXADGFXGXGGGFAXAGADAFGAGXFGDDGAAXFDFGGXDGGDXDXAXXADFXXADAFADAXXADAFAFGGDGDFAGGGGFDGAFXAAFDAGDAFFFAGXFFAGFGAGAGDAD", "ciphertext": "XGAGGGAGAFFADAXFAAFFGAFDADGXGAGDAFDDXADGFXGXGGGFAXAGADAFGAGXFGDDGAAXFDFGGXDGGDXDXAXXADFXXADAFADAXXADAFAFGGDGDFAGGGGFDGAFXAAFDAGDAFFFAGXFFAGFGAGAGDAD", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-214", "text": "ZOGGYFDIYFDHICBLGFRBYGCOGMUEUADAHNINFLINEQIOFCTLGU", "ciphertext": "ZOGGYFDIYFDHICBLGFRBYGCOGMUEUADAHNINFLINEQIOFCTLGU", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 50, "length": 50, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-012", "text": "2187025592757621250424522", "ciphertext": "2187025592757621250424522", "plaintext": "CIPHER KEY CHANGED", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "ATONESIRE"}, "difficulty": "advanced", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0186", "text": "DFFADGXAGGXGXXAFGDGXAGGADXFXDDGXDFDFXXDFXAFXAGFGFADAFAXFXADDFADFAAGGGDFXAFAAAGGGGXDADAGDADADDFFGGXAFADAAXAAGGGGXAADFADAFDFDGGGGDAADXADDAXADDGDADDFDDAXDA", "ciphertext": "DFFADGXAGGXGXXAFGDGXAGGADXFXDDGXDFDFXXDFXAFXAGFGFADAFAXFXADDFADFAAGGGDFXAFAAAGGGGXDADAGDADADDFFGGXAFADAAXAAGGGGXAADFADAFDFDGGGGDAADXADDAXADDGDADDFDDAXDA", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 152, "length": 152, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0079", "text": "UIGRQEOWQHES", "ciphertext": "UIGRQEOWQHES", "plaintext": "YANKEE DOODLE", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021283", "text": "RXKE SDBR PHMF WRJA ASTN MDXI CGVH WRQK SJMX QOPE MQVD WIEK", "ciphertext": "RXKE SDBR PHMF WRJA ASTN MDXI CGVH WRQK SJMX QOPE MQVD WIEK", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0013754", "text": "K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X L ─ K ┌· ┘· ┐· ⌒· ┌ L ⌐ X X· ┌· L X X· ─ r L ┌· K ⌐ Γ· ─ K ⌒· Γ· ─ ⌐ Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─", "ciphertext": "K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X L ─ K ┌· ┘· ┐· ⌒· ┌ L ⌐ X X· ┌· L X X· ─ r L ┌· K ⌐ Γ· ─ K ⌒· Γ· ─ ⌐ Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "m209-033", "text": "LXYQTSFKWWQZIAWBHAKPZBCMVMBZDNUKLZTZ", "ciphertext": "LXYQTSFKWWQZIAWBHAKPZBCMVMBZDNUKLZTZ", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "HAGELIN"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v3-0241", "text": "NYEQDTIQUDZINAUCALUVTMGGWWGLTTGSQKNOYDUKLMILGQNQTVTMUHODIGRTUMKSNQTVTMRR", "ciphertext": "NYEQDTIQUDZINAUCALUVTMGGWWGLTTGSQKNOYDUKLMILGQNQTVTMUHODIGRTUMKSNQTVTMRR", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014565", "text": "QFFREQDYCFAHZMUWCSCNZYFXTYVXGHAECPXZSNEED", "ciphertext": "QFFREQDYCFAHZMUWCSCNZYFXTYVXGHAECPXZSNEED", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0004856", "text": "NEVSQZOB NFGVZOHNQ XRL ZSATGU TDCZ FGNGWGGVQF GVS ENWY TSBQR QVCVSE JEVGSG GRKG WN O MVUMOU DOGGREN RVSTVS OBR USYYAOA VAGEARHPSQ CGPYVQ XSK QELCGBUFOCVL WN BVASGSSB FRIRAFM FVK FSQIEVGL QZOVZF FVAIYQ PR GSGGRR HARSE FQEHFWAL", "ciphertext": "NEVSQZOB NFGVZOHNQ XRL ZSATGU TDCZ FGNGWGGVQF GVS ENWY TSBQR QVCVSE JEVGSG GRKG WN O MVUMOU DOGGREN RVSTVS OBR USYYAOA VAGEARHPSQ CGPYVQ XSK QELCGBUFOCVL WN BVASGSSB FRIRAFM FVK FSQIEVGL QZOVZF FVAIYQ PR GSGGRR HARSE FQEHFWAL", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "kryha-v2-0057", "text": "YNBRBDHXMLXMVQALBEGOCPBLNYUKXCGRJHFLSCUKCCMKFDNPSXIFLTATPFMBTHQCTEYGEAL", "ciphertext": "YNBRBDHXMLXMVQALBEGOCPBLNYUKXCGRJHFLSCUKCCMKFDNPSXIFLTATPFMBTHQCTEYGEAL", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0420", "text": "OTNZAAAPWDWVDXDPDGKHNMWAYGRANNZPAGYAHKKAALAALXW", "ciphertext": "OTNZAAAPWDWVDXDPDGKHNMWAYGRANNZPAGYAHKKAALAALXW", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-239", "text": "VODILHFJSUYFWTNEUHBUCHJKXCQKIGSCVOJELJQUYERQSSYUBRVHRNJQKRGBWXZFCDIISYHBNTNVNDRISABXMZXYZEOVDGXZGWEZIGXELYXDNVQRHYRJQQQEYYLIBXPFOSXIKETHYHIXZBRLXYTC", "ciphertext": "VODILHFJSUYFWTNEUHBUCHJKXCQKIGSCVOJELJQUYERQSSYUBRVHRNJQKRGBWXZFCDIISYHBNTNVNDRISABXMZXYZEOVDGXZGWEZIGXELYXDNVQRHYRJQQQEYYLIBXPFOSXIKETHYHIXZBRLXYTC", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "RMS"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0041", "text": "OUEOVIVUODPTAMWKAKIZZ", "ciphertext": "OUEOVIVUODPTAMWKAKIZZ", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017720", "text": "1.1.3 12.6.3 6.5.5 11.1.8 20.6.10 6.4.4 18.1.7 20.5.8 7.2.3 13.4.9 4.6.2 17.6.3 16.3.6 18.6.1 5.6.4 3.6.5 15.1.1 15.3.9 10.3.2 11.3.5 20.6.7 6.2.8 17.6.3 4.4.4 4.2.8 6.5.10 10.6.1 11.3.10 9.3.4 2.2.6 16.4.3 8.5.10 7.3.3 6.2.2 1.5.6 20.3.8 12.4.3 14.2.4 3.5.3 11.1.4 7.2.3 11.3.1 16.2.10 2.3.7 12.3.7 6.6.7 8.2.4 14.2.4 10.6.3 11.1.7 17.1.9 19.6.7 9.3.10 14.1.8 2.5.8 17.2.6 3.2.10 1.5.5 10.5.8 6.1.8 17.1.6 13.5.10 17.4.8 13.6.6 8.1.2 20.4.2 16.5.9 14.1.4 8.6.4 3.5.8 20.5.5 14.6.10 9.3.5 15.4.7 8.6.10 2.1.8 1.4.9 17.6.5 13.2.6 3.6.5 8.4.5 16.2.2 15.6.1 17.5.6 14.5.5", "ciphertext": "1.1.3 12.6.3 6.5.5 11.1.8 20.6.10 6.4.4 18.1.7 20.5.8 7.2.3 13.4.9 4.6.2 17.6.3 16.3.6 18.6.1 5.6.4 3.6.5 15.1.1 15.3.9 10.3.2 11.3.5 20.6.7 6.2.8 17.6.3 4.4.4 4.2.8 6.5.10 10.6.1 11.3.10 9.3.4 2.2.6 16.4.3 8.5.10 7.3.3 6.2.2 1.5.6 20.3.8 12.4.3 14.2.4 3.5.3 11.1.4 7.2.3 11.3.1 16.2.10 2.3.7 12.3.7 6.6.7 8.2.4 14.2.4 10.6.3 11.1.7 17.1.9 19.6.7 9.3.10 14.1.8 2.5.8 17.2.6 3.2.10 1.5.5 10.5.8 6.1.8 17.1.6 13.5.10 17.4.8 13.6.6 8.1.2 20.4.2 16.5.9 14.1.4 8.6.4 3.5.8 20.5.5 14.6.10 9.3.5 15.4.7 8.6.10 2.1.8 1.4.9 17.6.5 13.2.6 3.6.5 8.4.5 16.2.2 15.6.1 17.5.6 14.5.5", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0705", "text": "OPGBWHCDKIBURSMFRJQIPMWBNWOMAVVAHBKYPXRYJUYUHTITDAMFVXTWPDZFYRYOMTXXMUEQOWFKQ", "ciphertext": "OPGBWHCDKIBURSMFRJQIPMWBNWOMAVVAHBKYPXRYJUYUHTITDAMFVXTWPDZFYRYOMTXXMUEQOWFKQ", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-vf-0050", "text": "ZKYUKDKVILUNVFKDWGPCNOCPESDPABXFNKZKYUKDAVTDSYNOEUGDFKGYGYHYDUBCYZWU", "ciphertext": "ZKYUKDKVILUNVFKDWGPCNOCPESDPABXFNKZKYUKDAVTDSYNOEUGDFKGYGYHYDUBCYZWU", "plaintext": "TO EVERY THING THERE IS A SEASON AND A TIME TO EVERY PURPOSE UNDER THE HEAVEN ABOVE", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0187", "text": "SYZUSMLLDXHZOFEQPEBJVJKWYOPSNZGGTPOFWEXUEJNDLNJIJRLNETDNJSOAJJQBKZZTZVSC", "ciphertext": "SYZUSMLLDXHZOFEQPEBJVJKWYOPSNZGGTPOFWEXUEJNDLNJIJRLNETDNJSOAJJQBKZZTZVSC", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0127", "text": "FFQHFBTOTYATN", "ciphertext": "FFQHFBTOTYATN", "plaintext": "FULL SAIL AHEAD", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-1021", "text": "PNETNTYNTEVHEHREEEDSCTAEOAWTATTTHTOEDSOOGOIATSIREESESLDUSBOURRTTTEDTHEEEINSTT", "ciphertext": "PNETNTYNTEVHEHREEEDSCTAEOAWTATTTHTOEDSOOGOIATSIREESESLDUSBOURRTTTEDTHEEEINSTT", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-1305", "text": "NI CHZCHCNS UHX VYSIHX NBY ZLIHNCYL IZ BOGUH EHIQFYXAY WUFFM NI YUWB AYHYLUNCIH UHYQ", "ciphertext": "NI CHZCHCNS UHX VYSIHX NBY ZLIHNCYL IZ BOGUH EHIQFYXAY WUFFM NI YUWB AYHYLUNCIH UHYQ", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 20}, "difficulty": "beginner", "language": "en", "text_length": 71, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0309", "text": "ADXFGAFDVGAAVGGGDADDXADGXDAVDAAAAFXGADAAFAAAAFFDXAXDGGGAFDFAVGAFGFXDXAAAXDAAFAADVDADDFXDAAAAXAFFXDAADGXAFDXFGAGDVFXAAFFDDFGAXAXFFAAGXGVGFFDGAAGAAXAFFAVAVAGAAXGVGVFFDFDXGDAFDXDXAAFAFDDDGXDFXDXDXVDDAFXDAAADFFFDGDXAAAAFDDADXAVDXFDDXDFGVAXGXDAAADXFXGXDDDXDDFDDXAGAAAAGDFDAFDAFVAXDXAADAFDGDAFDDXGADDDAFXAFAAFVFDFVGADAGAGDDADVDVFADFFX", "ciphertext": "ADXFGAFDVGAAVGGGDADDXADGXDAVDAAAAFXGADAAFAAAAFFDXAXDGGGAFDFAVGAFGFXDXAAAXDAAFAADVDADDFXDAAAAXAFFXDAADGXAFDXFGAGDVFXAAFFDDFGAXAXFFAAGXGVGFFDGAAGAAXAFFAVAVAGAAXGVGVFFDFDXGDAFDXDXAAFAFDDDGXDFXDXDXVDDAFXDAAADFFFDGDXAAAAFDDADXAVDXFDDXDFGVAXGXDAAADXFXGXDDDXDDFDDXAGAAAAGDFDAFDAFVAXDXAADAFDGDAFDDXGADDDAFXAFAAFVFDFVGADAGAGDDADVDVFADFFX", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 328, "length": 328, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-014", "text": "00030 00006 00121 99999 90017 90004 90019 90017 90004 90000 90019 99998", "ciphertext": "00030 00006 00121 99999 90017 90004 90019 90017 90004 90000 90019 99998", "plaintext": "ALL IS LOST RETREAT", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 71, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v3-0036", "text": "ZJBHPFOGOZHWLDCKKR", "ciphertext": "ZJBHPFOGOZHWLDCKKR", "plaintext": "GRAVITY EXPLAINS ALL", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0163", "text": "GWQIHDOHFWPIGGWHRSIGBCPWG", "ciphertext": "GWQIHDOHFWPIGGWHRSIGBCPWG", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0106", "text": "UYRICEYTLLTSPIPVFEZXQUCGFQILVXNFGSEIXFLKCNLWTQAIZVJWIKDVQSHBZXUGQFQUVCTDEAOJMGYQT", "ciphertext": "UYRICEYTLLTSPIPVFEZXQUCGFQILVXNFGSEIXFLKCNLWTQAIZVJWIKDVQSHBZXUGQFQUVCTDEAOJMGYQT", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0229", "text": "HVSOAPOGGORCFVOGFSQSWJSRCIFACGHIFUSBHRWGDOHQVSGOBROKOWHGWBGHFIQHWCBGTFCAZCBRCBVE", "ciphertext": "HVSOAPOGGORCFVOGFSQSWJSRCIFACGHIFUSBHRWGDOHQVSGOBROKOWHGWBGHFIQHWCBGTFCAZCBRCBVE", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014312", "text": "THREE HENCE EIGHT OUTER NEEDS EXACT TRACK ISSUE MARCH ENEMY POSTS AGAIN DAILY INTEL SCOUT TROOP HEAVY EXTRA OTHER ROUTE EARLY TRACK ISSUE COVER ABOVE", "ciphertext": "THREE HENCE EIGHT OUTER NEEDS EXACT TRACK ISSUE MARCH ENEMY POSTS AGAIN DAILY INTEL SCOUT TROOP HEAVY EXTRA OTHER ROUTE EARLY TRACK ISSUE COVER ABOVE", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "null-cipher-v3-0059", "text": "that each have outc utna this get call more aeii has its outu their her too srau on and before said", "ciphertext": "that each have outc utna this get call more aeii has its outu their her too srau on and before said", "plaintext": "THE CASTLE IS SURROUNDED", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "last"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 99, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0307", "text": "359014223202228822732221425144252272622751298622212882322836547450425288738624162142514748321529202224863748425425221212983385652356223574682465016922425831707005192545276574282221242225132472821222174223422067025828535702576235047452982828226681", "ciphertext": "359014223202228822732221425144252272622751298622212882322836547450425288738624162142514748321529202224863748425425221212983385652356223574682465016922425831707005192545276574282221242225132472821222174223422067025828535702576235047452982828226681", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 246, "length": 246, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-fr-053", "text": "UUUUUNOROSOSORNPTTPU", "ciphertext": "UUUUUNOROSOSORNPTTPU", "plaintext": "UN POUR TOUS TOUS POUR UN", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 3}, "difficulty": "intermediate", "language": "fr", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v3-0132", "text": "JUGVKOMUNADGOUILUUWDUQRYKYJ", "ciphertext": "JUGVKOMUNADGOUILUUWDUQRYKYJ", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014675", "text": "18.4.1 13.1.1 1.4.6 14.3.6 15.4.2 3.6.1 10.2.10 3.5.8 12.5.6 6.6.2 13.2.2 14.6.1 12.4.7 10.1.7 4.1.8 17.6.6 9.1.1 15.4.8 7.3.2 20.1.3 13.2.9 12.4.7 12.5.10 15.5.2 15.2.2 14.2.7 16.5.8 20.3.2 16.1.8 14.5.4 15.6.10 2.1.4 6.2.10 8.5.10 17.2.9 19.1.3 20.2.6 5.6.9 8.1.2 18.6.8 8.4.6 17.6.1 1.4.2 14.2.7 17.5.7 12.2.4 1.6.5 13.4.4 17.6.1 19.5.5 18.1.5 13.4.2 16.4.4 10.1.3 10.4.2 8.6.7 15.2.8 4.4.3 1.3.6 9.2.7 10.2.9 3.3.1 9.4.4 1.5.2 19.3.4 1.2.9 4.4.7 3.6.1 3.2.5 14.3.6 14.5.6 14.2.10 9.1.3 19.1.5 12.4.2 13.5.3 10.1.4 10.3.4 7.6.4 6.5.1 3.5.9 1.4.3 4.4.4 13.1.7 12.2.6 7.6.7 8.3.2 14.5.10 14.6.1 19.5.3 9.4.8 18.1.7 8.2.9 16.6.10 11.1.1 5.6.5 7.2.6 6.1.7 18.2.9 17.6.2 3.4.4 18.2.10 16.3.10 18.3.5 15.1.1 19.4.2 15.5.4 1.2.3 13.1.6 12.6.7 6.2.5 20.3.10 5.3.1 11.6.9 3.6.8 14.4.4 7.2.7 4.6.9 16.2.8 10.5.8 1.6.2 10.3.2 2.3.6 10.4.4 15.4.8 2.1.2 20.5.8 10.6.7 16.5.4 12.4.2 4.4.1 16.5.3 7.5.2 20.1.7 17.5.9 13.2.6 15.5.6 1.1.9 18.2.9 18.3.3 11.6.3 11.4.1 14.1.8 9.1.10 6.6.8 15.1.2 1.1.6 19.2.6 19.1.9 10.5.8 13.6.8 15.3.5 15.6.6 9.2.10 5.5.7 14.1.9", "ciphertext": "18.4.1 13.1.1 1.4.6 14.3.6 15.4.2 3.6.1 10.2.10 3.5.8 12.5.6 6.6.2 13.2.2 14.6.1 12.4.7 10.1.7 4.1.8 17.6.6 9.1.1 15.4.8 7.3.2 20.1.3 13.2.9 12.4.7 12.5.10 15.5.2 15.2.2 14.2.7 16.5.8 20.3.2 16.1.8 14.5.4 15.6.10 2.1.4 6.2.10 8.5.10 17.2.9 19.1.3 20.2.6 5.6.9 8.1.2 18.6.8 8.4.6 17.6.1 1.4.2 14.2.7 17.5.7 12.2.4 1.6.5 13.4.4 17.6.1 19.5.5 18.1.5 13.4.2 16.4.4 10.1.3 10.4.2 8.6.7 15.2.8 4.4.3 1.3.6 9.2.7 10.2.9 3.3.1 9.4.4 1.5.2 19.3.4 1.2.9 4.4.7 3.6.1 3.2.5 14.3.6 14.5.6 14.2.10 9.1.3 19.1.5 12.4.2 13.5.3 10.1.4 10.3.4 7.6.4 6.5.1 3.5.9 1.4.3 4.4.4 13.1.7 12.2.6 7.6.7 8.3.2 14.5.10 14.6.1 19.5.3 9.4.8 18.1.7 8.2.9 16.6.10 11.1.1 5.6.5 7.2.6 6.1.7 18.2.9 17.6.2 3.4.4 18.2.10 16.3.10 18.3.5 15.1.1 19.4.2 15.5.4 1.2.3 13.1.6 12.6.7 6.2.5 20.3.10 5.3.1 11.6.9 3.6.8 14.4.4 7.2.7 4.6.9 16.2.8 10.5.8 1.6.2 10.3.2 2.3.6 10.4.4 15.4.8 2.1.2 20.5.8 10.6.7 16.5.4 12.4.2 4.4.1 16.5.3 7.5.2 20.1.7 17.5.9 13.2.6 15.5.6 1.1.9 18.2.9 18.3.3 11.6.3 11.4.1 14.1.8 9.1.10 6.6.8 15.1.2 1.1.6 19.2.6 19.1.9 10.5.8 13.6.8 15.3.5 15.6.6 9.2.10 5.5.7 14.1.9", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 156, "length": 156, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "slidex-085", "text": "PDVITRCSCNNPPIJX", "ciphertext": "PDVITRCSCNNPPIJX", "plaintext": "SILENCE IS GOLDEN", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v3-0321", "text": "LZQXXNKSKQCDZLFO", "ciphertext": "LZQXXNKSKQCDZLFO", "plaintext": "RENDER UNTO CAESAR", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0184", "text": "ILNTCSSVNHFNSWAEOEEHFSENWUVFULODYBLREACUYOANDCWHOOETOOAOMFSEIMIMBTRS", "ciphertext": "ILNTCSSVNHFNSWAEOEEHFSENWUVFULODYBLREACUYOANDCWHOOETOOAOMFSEIMIMBTRS", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007197", "text": "SFISX HWMFC DOHSK SSSEA FJFJR LUCNG WUISO QSITK DSGIV XCPJI LOJSG VUVVI WVVFJ HTISB HTGBX HGYMJ HTMHT", "ciphertext": "SFISX HWMFC DOHSK SSSEA FJFJR LUCNG WUISO QSITK DSGIV XCPJI LOJSG VUVVI WVVFJ HTISB HTGBX HGYMJ HTMHT", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "31416"}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "red-type-a-v3-0338", "text": "GGUIVYBYKOZAUGVEGO", "ciphertext": "GGUIVYBYKOZAUGVEGO", "plaintext": "TREASURE BURIED HERE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012142", "text": "TURN SHOL DSEI GHTA BOVE UNIT ETRA CKOT HERK INGS ENEM YYOU NGCA USEI NNER POST SHEA DSEA RLYR ADIO ENTE REXT RATR OOPE IGHT NORT HDAI LYST AGET URNS HENC E", "ciphertext": "TURN SHOL DSEI GHTA BOVE UNIT ETRA CKOT HERK INGS ENEM YYOU NGCA USEI NNER POST SHEA DSEA RLYR ADIO ENTE REXT RATR OOPE IGHT NORT HDAI LYST AGET URNS HENC E", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0010110", "text": "MFRUMXSTCQHEYAQIFCLLJMNGAYNIVOCTLLEBULDUSKURBSILGCOKOKGOUNIFYIMPSAYZRWXVQERWXIFPAPXETVBZXWJHOCHEHYYXLEUCITIJXWV", "ciphertext": "MFRUMXSTCQHEYAQIFCLLJMNGAYNIVOCTLLEBULDUSKURBSILGCOKOKGOUNIFYIMPSAYZRWXVQERWXIFPAPXETVBZXWJHOCHEHYYXLEUCITIJXWV", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "autokey", "cipher": "autokey", "key": {"primer": "HONEST"}, "difficulty": "hard", "language": "en", "text_length": 111, "length": 111, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0015316", "text": "23 3 58 76 3 21 72 58 58 22 35 68 59 45 81 1 70 62 64 48 60 22 21 25 66 72 81 82 58 23 61 32 70 52 2 40 48 81 60 82 30 91 76 50 23 87 14 34 33 11 41 50 25 33 4 11 60 17 33 22 70 59 57 4 82 40 2 21 17 66 99 22 32 11 22 64 3 72 91 76 34 50 25 76 21 3 48 2 60 23 2 63 72 30 92 82 96 63 94 27 67 22 25 59 87 21 59 63 94 22 34 91 88 23 61 58 93 33 52 40 1 81 68 33 50 91 32 43 22 43 60 94 33 49 70 64 22 53 76 61 35 26 59 99 21 66 64 33 81 35 48 91 72 23 43 60 66 4 1 60 33 80 23 41 96 22 99 57 68 94", "ciphertext": "23 3 58 76 3 21 72 58 58 22 35 68 59 45 81 1 70 62 64 48 60 22 21 25 66 72 81 82 58 23 61 32 70 52 2 40 48 81 60 82 30 91 76 50 23 87 14 34 33 11 41 50 25 33 4 11 60 17 33 22 70 59 57 4 82 40 2 21 17 66 99 22 32 11 22 64 3 72 91 76 34 50 25 76 21 3 48 2 60 23 2 63 72 30 92 82 96 63 94 27 67 22 25 59 87 21 59 63 94 22 34 91 88 23 61 58 93 33 52 40 1 81 68 33 50 91 32 43 22 43 60 94 33 49 70 64 22 53 76 61 35 26 59 99 21 66 64 33 81 35 48 91 72 23 43 60 66 4 1 60 33 80 23 41 96 22 99 57 68 94", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 170, "length": 170, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0466", "text": "AVDFDFFFFAAVDFDGGADFAGFFAVGVFGGGVFAVGVDAVGVAVDFAFFAAAAVDFAFFAAAFDAAAGAFFFAFFFGGAFFDXFGGDGVDFVGGGVDFAFFVGGGVVVDGVVFDAAAVDDFFADAAADGFAGFGF", "ciphertext": "AVDFDFFFFAAVDFDGGADFAGFFAVGVFGGGVFAVGVDAVGVAVDFAFFAAAAVDFAFFAAAFDAAAGAFFFAFFFGGAFFDXFGGDGVDFVGGGVDFAFFVGGGVVVDGVVFDAAAVDDFFADAAADGFAGFGF", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0180", "text": "9829763246262370363299212183552356262389707092694432128634125266920530726235102342123151297023896173234374", "ciphertext": "9829763246262370363299212183552356262389707092694432128634125266920530726235102342123151297023896173234374", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 106, "length": 106, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0136", "text": "GRAVITYEXPLAINSALL", "ciphertext": "GRAVITYEXPLAINSALL", "plaintext": "GRAVITY EXPLAINS ALL", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0066", "text": "SIILUXVEZDKQNECMJKSIIQUNWTRUTNMNOUESMPDXCHKEOPUSBYBLDYIIBPFIKYXAPBQYCADXKMXXN", "ciphertext": "SIILUXVEZDKQNECMJKSIIQUNWTRUTNMNOUESMPDXCHKEOPUSBYBLDYIIBPFIKYXAPBQYCADXKMXXN", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0789", "text": "IYYFNFQXLWUAU", "ciphertext": "IYYFNFQXLWUAU", "plaintext": "ANNUIT COEPTIS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0154", "text": "76 27 38 65 46 85 58 52 30 26 27 76 87 80 43 36 39 28 76 87 76 73 28 26 59", "ciphertext": "76 27 38 65 46 85 58 52 30 26 27 76 87 80 43 36 39 28 76 87 76 73 28 26 59", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 50, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0276", "text": "UEKSLAEEPOLSQETYCNSBQUIFUASTRILPABQUIFINBXVNAEVPVTWLATPMIIMYQIFSCGBTROPIIBQIFSCTXL", "ciphertext": "UEKSLAEEPOLSQETYCNSBQUIFUASTRILPABQUIFINBXVNAEVPVTWLATPMIIMYQIFSCGBTROPIIBQIFSCTXL", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1808", "text": "VFEUDSZWZMGMCFMZUYEQLYFZYFWLBILYMIOLKPYHPSBRVNZTCXIBUEILWVINTQBMFVWQ", "ciphertext": "VFEUDSZWZMGMCFMZUYEQLYFZYFWLBILYMIOLKPYHPSBRVNZTCXIBUEILWVINTQBMFVWQ", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0361", "text": "SBBSLEKMIFDIKSNEVSLFMTHIHBBYLFERPEIMASICHLIZCIYLQXYNBGGQVYEIYISDGWYGCSBVLLQZCUFZCCGX", "ciphertext": "SBBSLEKMIFDIKSNEVSLFMTHIHBBYLFERPEIMASICHLIZCIYLQXYNBGGQVYEIYISDGWYGCSBVLLQZCUFZCCGX", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0145", "text": "RIKZBEGISHRIGINGARQFDKYNNMARQFBQKZBEGISHRIGASTHEQUEESFHPDDAPKNIYWEEH", "ciphertext": "RIKZBEGISHRIGINGARQFDKYNNMARQFBQKZBEGISHRIGASTHEQUEESFHPDDAPKNIYWEEH", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0699", "text": "SPWKMJAVXQXCYKBSOMZLITLGVTHHCYCVTSIQEVDKYIJRJMYCMNJJDLBAKPYJXFICBYBWTSEJHEZY", "ciphertext": "SPWKMJAVXQXCYKBSOMZLITLGVTHHCYCVTSIQEVDKYIJRJMYCMNJJDLBAKPYJXFICBYBWTSEJHEZY", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "PQR"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0290", "text": "WDFFLCBJTKSBMUDDXGBDOQJLYBUYGWEPTVFVGIFTMWMOMXRSEEPLZWRCZIISGCOMGHDBHQEXPGSQAJWGUGMWJ", "ciphertext": "WDFFLCBJTKSBMUDDXGBDOQJLYBUYGWEPTVFVGIFTMWMOMXRSEEPLZWRCZIISGCOMGHDBHQEXPGSQAJWGUGMWJ", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0241", "text": "JNJKASHRYDURSBIOUKXZYTSSGDLPIJYTQDAIOBLPFDCUIUEWDLRIYOPTGOHTHTTWXTSSINGDIJCYWSIJZWTWDZULFWJAHBPCHDZHEZYAHDPTIOODIJANCUWSROMZJRLRKBQUYADRXRFFDOZWDAOCSBBSUCLGZXLOIE", "ciphertext": "JNJKASHRYDURSBIOUKXZYTSSGDLPIJYTQDAIOBLPFDCUIUEWDLRIYOPTGOHTHTTWXTSSINGDIJCYWSIJZWTWDZULFWJAHBPCHDZHEZYAHDPTIOODIJANCUWSROMZJRLRKBQUYADRXRFFDOZWDAOCSBBSUCLGZXLOIE", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 162, "length": 162, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0154", "text": "WARVKYFOFPNLKFYAJUPMSKXLFNKNKKACAZSPTJLAKYRCYNTQKFARHKQZMQMWIGCWWTZONCPZ", "ciphertext": "WARVKYFOFPNLKFYAJUPMSKXLFNKNKKACAZSPTJLAKYRCYNTQKFARHKQZMQMWIGCWWTZONCPZ", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004186", "text": "XQT ATJJOVT KOJ QIYYTU WRX UHX JTZRET NOXXTEU KHEYJ QTSN WETOM AHUHOSNQOWTXIZ JRWJXIXRXIHU", "ciphertext": "XQT ATJJOVT KOJ QIYYTU WRX UHX JTZRET NOXXTEU KHEYJ QTSN WETOM AHUHOSNQOWTXIZ JRWJXIXRXIHU", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "OWZYTGVQIPMSAUHNBEJXRLKFDC"}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "cda-0005507", "text": "TIGIV NKKUJ XEQFH JIVKM BZEKB DXPHF SNTJQ MOYOR HDUJL BGVPB IDYMG QKYNA EXCBG NFTSZ HAYMA KAQYQ VVHNM YIYRD IVHWJ NGIIG UYGTS BNSLF HLBBM ZXHAC QILKU IOMMR IUKRR WKHLB MZXHA CIZFD YTKOB DR", "ciphertext": "TIGIV NKKUJ XEQFH JIVKM BZEKB DXPHF SNTJQ MOYOR HDUJL BGVPB IDYMG QKYNA EXCBG NFTSZ HAYMA KAQYQ VVHNM YIYRD IVHWJ NGIIG UYGTS BNSLF HLBBM ZXHAC QILKU IOMMR IUKRR WKHLB MZXHA CIZFD YTKOB DR", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 157, "length": 157, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "jefferson-disk-v2-0233", "text": "GTIASSSEQOL", "ciphertext": "GTIASSSEQOL", "plaintext": "KNOW THYSELF", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0122", "text": "AXGACNBEYASIEVTBTGGLIBYTMSEGRHQZPQIUGXEEYALEXMTEKPLGYHFSSUIYXZFFLDXDGZBDKMOYEXVZPAQYEJPRCYSGMQTFFCKLCNZLSSUCDCAFSJUCMTUTURBLPHZEXAQPCZQDVIXUPIYZIFWTACD", "ciphertext": "AXGACNBEYASIEVTBTGGLIBYTMSEGRHQZPQIUGXEEYALEXMTEKPLGYHFSSUIYXZFFLDXDGZBDKMOYEXVZPAQYEJPRCYSGMQTFFCKLCNZLSSUCDCAFSJUCMTUTURBLPHZEXAQPCZQDVIXUPIYZIFWTACD", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-001", "text": "160 90 52 19 91 90 12 60 23 69 91", "ciphertext": "160 90 52 19 91 90 12 60 23 69 91", "plaintext": "ATTACK AT DAWN", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALLIS"}, "difficulty": "expert", "language": "en", "text_length": 23, "length": 33, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-v2-0161", "text": "7720 8038 7590 8100 7401 8854 7467 8603 8437 8685 8528 8603", "ciphertext": "7720 8038 7590 8100 7401 8854 7467 8603 8437 8685 8528 8603", "plaintext": "IN GOD WE TRUST", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0376", "text": "GSTRRSYHZBXJUHNBIFNJDFZJDAMZXZKRTLSWAGEAOLNZZALOLHMMDMSJSQJAPASWLTBRHHNZAKCAYBZVFJFDIVYVZAUWBYVPWYHMMPNXLHBMXRSTYPZDJJZSQGPKWIWBITYSXNPXEAASSPZDDJSSKSFNTLILSGPWHXZJ", "ciphertext": "GSTRRSYHZBXJUHNBIFNJDFZJDAMZXZKRTLSWAGEAOLNZZALOLHMMDMSJSQJAPASWLTBRHHNZAKCAYBZVFJFDIVYVZAUWBYVPWYHMMPNXLHBMXRSTYPZDJJZSQGPKWIWBITYSXNPXEAASSPZDDJSSKSFNTLILSGPWHXZJ", "plaintext": "ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ADMIRAL"}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005691", "text": "GUS IVUSARES NWCVRE HFSF O ESCROGNAU NRLJBER WARSK BT QBWAQVRSAQS ZROFHESF YSGGSE TESDHSAQL RWFGENOHGVBA UEBAFTSYQ HFRF O RVUWG FSDHSANS OF GVS ESCSNGWAU XSL", "ciphertext": "GUS IVUSARES NWCVRE HFSF O ESCROGNAU NRLJBER WARSK BT QBWAQVRSAQS ZROFHESF YSGGSE TESDHSAQL RWFGENOHGVBA UEBAFTSYQ HFRF O RVUWG FSDHSANS OF GVS ESCSNGWAU XSL", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "porta", "cipher": "porta", "key": {"key": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "zimmermann-v2-0019", "text": "99999 90002 90014 90013 90019 90000 90002 90019 99998 99999 90007 90000 90018 99998 99999 90001 90004 90004 90013 99998 99999 90012 90000 90003 90004 99998", "ciphertext": "99999 90002 90014 90013 90019 90000 90002 90019 99998 99999 90007 90000 90018 99998 99999 90001 90004 90004 90013 99998 99999 90012 90000 90003 90004 99998", "plaintext": "CONTACT HAS BEEN MADE", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 130, "length": 155, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-377", "text": "WVZELDEWQAYFRET", "ciphertext": "WVZELDEWQAYFRET", "plaintext": "MEET AT THE OLD OAK", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "KEY"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002145", "text": "PPNB EQVO IKOE UPQX FYWK MPOB KTLU KSPJ GSXQ KMQG GWYW LLNC AXSS OLGB GNVO MAOI FRBS IKZX EZUT GSHU JHTQ GPVC OIFV HHUC X", "ciphertext": "PPNB EQVO IKOE UPQX FYWK MPOB KTLU KSPJ GSXQ KMQG GWYW LLNC AXSS OLGB GNVO MAOI FRBS IKZX EZUT GSHU JHTQ GPVC OIFV HHUC X", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 97, "length": 97, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "typex-233", "text": "KYHMABXKXHXXNRLYHZDGCGSGVCTTCTSZDHJMXZFRANIYRIAEYBGSYJYDWIRF", "ciphertext": "KYHMABXKXHXXNRLYHZDGCGSGVCTTCTSZDHJMXZFRANIYRIAEYBGSYJYDWIRF", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-211", "text": "BEOGDCKOEZEKPFKOZKGAEZEDUEWQCEYKKOSKSDDHEYSPEVPESKECEIFSD", "ciphertext": "BEOGDCKOEZEKPFKOZKGAEZEDUEWQCEYKKOSKSDDHEYSPEVPESKECEIFSD", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017996", "text": ".... ..  ... ....  .... .....  .... ....  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  . ....  . .  .. ..  .... ..  .. ....  . ....  .. ....  ... ...  . .  ... .....  .... ..  . .....  .... ...  . ...  .... ..  .. ....  . ..  . .....  . ....  .. ..  . .....  ... ....  ... ..  . .....  .... ....  .... ..  .. ....  . ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ....  ... ....  ... ..  ... ....  .... ..  .... ..  ... ....  ..... ..", "ciphertext": ".... ..  ... ....  .... .....  .... ....  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ..  . .....  . .  . ....  . .  .. ..  .... ..  .. ....  . ....  .. ....  ... ...  . .  ... .....  .... ..  . .....  .... ...  . ...  .... ..  .. ....  . ..  . .....  . ....  .. ..  . .....  ... ....  ... ..  . .....  .... ....  .... ..  .. ....  . ...  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ....  ... ....  ... ..  ... ....  .... ..  .... ..  ... ....  ..... ..", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN TOMORROW", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 58, "length": 58, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0019092", "text": "QFCYZ LQQBE DGYVF PFJCP GITTP HUJHF GFPYQ JUNLS CAQPX IVJFR LSPZB XWFXD DVKKY QMRMZ AFKAE OJGIN XGUNY WCHIU HLCWY IIJDG ZXDKF RRPQN SNVWO QGSLF BLFJM DPEVW EEDEC QCRHV", "ciphertext": "QFCYZ LQQBE DGYVF PFJCP GITTP HUJHF GFPYQ JUNLS CAQPX IVJFR LSPZB XWFXD DVKKY QMRMZ AFKAE OJGIN XGUNY WCHIU HLCWY IIJDG ZXDKF RRPQN SNVWO QGSLF BLFJM DPEVW EEDEC QCRHV", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES A STRONG CLAIM NEEDS STRONG EVIDENCE ALWAYS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "adfgvx-v2-0602", "text": "FAADDGFFGAAFFFGGGGAGFFDFFADFXVFDXXGGDGFDFDFFVFVDXFDXFAAAFAGAAFAAAAAFFGFGAAFADADADFDDVDVFGFVDXXGGXXFVVVFVDVVFGVFVXGVXFVVDADVDGGFGAGADGGAFAFAGGAAFAFAAFAGAFAAA", "ciphertext": "FAADDGFFGAAFFFGGGGAGFFDFFADFXVFDXXGGDGFDFDFFVFVDXFDXFAAAFAGAAFAAAAAFFGFGAAFADADADFDDVDVFGFVDXXGGXXFVVVFVDVVFGVFVXGVXFVVDADVDGGFGAGADGGAFAFAGGAAFAFAAFAGAFAAA", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 156, "length": 156, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-135", "text": "FADDDGAFAFXGXAXAXXDVDVVGAAAFDA", "ciphertext": "FADDDGAFAFXGXAXAXXDVDVVGAAAFDA", "plaintext": "OPERATION BEGINS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v2-0143", "text": "EQFGF OGUUCIG HQNNQYU", "ciphertext": "EQFGF OGUUCIG HQNNQYU", "plaintext": "CODED MESSAGE FOLLOWS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 2}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0001946", "text": "BSWWI KUYKN GZDXG DDCQ PBZJ QFD KFA VTFIL QB CXMYZ IEDGKLJS", "ciphertext": "BSWWI KUYKN GZDXG DDCQ PBZJ QFD KFA VTFIL QB CXMYZ IEDGKLJS", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL TOMORROW", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 49, "length": 49, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0012786", "text": "824 841 810 812 871 999 844 815 999 807 843 825 840 807 826 810 814 841 807 814 999 837 813 800 854 860 852 813 854 999 833 813 858 858 812 851 999 817 853 813 850 862 814 839 808 874 999 810 825 856 857 852 824 804 861 858 824 843 839 999 820 852 842 841 854 816 812 833 809 999 862 856 812 856 999 802 999 811 825 818 826 857 999 856 813 850 861 812 841 807 814 999 802 854 999 859 822 814 999 852 814 847 814 802 858 825 840 819 999 832 814 872 999 807 851 873 847 857 843 819 853 801 847 822 872 999 851 813 866 802 851 811 856 999 846 801 859 826 814 839 806 814 999 802 840 809 999 808 800 852 814 816 860 833 999 859 822 824 841 832 826 841 819 999", "ciphertext": "824 841 810 812 871 999 844 815 999 807 843 825 840 807 826 810 814 841 807 814 999 837 813 800 854 860 852 813 854 999 833 813 858 858 812 851 999 817 853 813 850 862 814 839 808 874 999 810 825 856 857 852 824 804 861 858 824 843 839 999 820 852 842 841 854 816 812 833 809 999 862 856 812 856 999 802 999 811 825 818 826 857 999 856 813 850 861 812 841 807 814 999 802 854 999 859 822 814 999 852 814 847 814 802 858 825 840 819 999 832 814 872 999 807 851 873 847 857 843 819 853 801 847 822 872 999 851 813 866 802 851 811 856 999 846 801 859 826 814 839 806 814 999 802 840 809 999 808 800 852 814 816 860 833 999 859 822 824 841 832 826 841 819 999", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 142, "length": 142, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0020044", "text": "KJPWO IBABK QGXOI QXOET YHBPM VWNGE VBFQY CHOBK EICJB EPQGG KDU", "ciphertext": "KJPWO IBABK QGXOI QXOET YHBPM VWNGE VBFQY CHOBK EICJB EPQGG KDU", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "hill-v2-0249", "text": "LYVBMEPXTWDODEDORMNMEOHZTKHZRQDOTGBENTZLJFTGLLOXRUPKTWHVYCBXTWHVOXIAHZTKKMCRDPRMCQDPXIBEDKLLKMOXZVDWBQNLHJFGTGVAQOOXOEQFIAVGDAKWOXJFJRGWJJJFXSKOBDHBLYPXYIANDBHZQOWL", "ciphertext": "LYVBMEPXTWDODEDORMNMEOHZTKHZRQDOTGBENTZLJFTGLLOXRUPKTWHVYCBXTWHVOXIAHZTKKMCRDPRMCQDPXIBEDKLLKMOXZVDWBQNLHJFGTGVAQOOXOEQFIAVGDAKWOXJFJRGWJJJFXSKOBDHBLYPXYIANDBHZQOWL", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019382", "text": "44 23 15 11 45 44 34 25 15 54 13 24 35 23 15 42 15 53 44 15 33 14 43 44 23 15 25 15 54 52 24 44 23 44 23 15 35 31 11 24 33 44 15 53 44 24 44 43 15 31 21 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14", "ciphertext": "44 23 15 11 45 44 34 25 15 54 13 24 35 23 15 42 15 53 44 15 33 14 43 44 23 15 25 15 54 52 24 44 23 44 23 15 35 31 11 24 33 44 15 53 44 24 44 43 15 31 21 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF ATBASH ENCODES BY REVERSING THE ALPHABET MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "wallis-cipher-023", "text": "90 19 38 71 91 100 90 64 78 91 90 12 13 52 17 91", "ciphertext": "90 19 38 71 91 100 90 64 78 91 90 12 13 52 17 91", "plaintext": "THE KING IS DEAD", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALLIS"}, "difficulty": "expert", "language": "en", "text_length": 33, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-v2-0894", "text": "QGUXSEFCMKBODHUWFLX", "ciphertext": "QGUXSEFCMKBODHUWFLX", "plaintext": "MISSION ACCOMPLISHED", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COMPASS"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0327", "text": "UKMTUQLUFPGAOPBLGBGSATUNIRIMRMVDEQMSLSOPRMTHALPUGGEBODRCEQMTNWBQABTCYVRNQDDGRRZQGBOQ", "ciphertext": "UKMTUQLUFPGAOPBLGBGSATUNIRIMRMVDEQMSLSOPRMTHALPUGGEBODRCEQMTNWBQABTCYVRNQDDGRRZQGBOQ", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0282", "text": "IJVZOYYLCLJOJOOFXSM", "ciphertext": "IJVZOYYLCLJOJOOFXSM", "plaintext": "WISDOM GUARDS THE GATE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015992", "text": "WVRCG GHVRY HERJX NZGOK MHVYI ESCHP SPTTS OOOSV TNUSQ HIJVS DYFQC TUIGU AVVVH RUSWG XDSEV WAUMJ SNQJZ EPFYB ANLVQ DUAZN ZIFNZ LTTZO YJSOF TVCRS WJCDU GFGEK LWTYA BMLVF", "ciphertext": "WVRCG GHVRY HERJX NZGOK MHVYI ESCHP SPTTS OOOSV TNUSQ HIJVS DYFQC TUIGU AVVVH RUSWG XDSEV WAUMJ SNQJZ EPFYB ANLVQ DUAZN ZIFNZ LTTZO YJSOF TVCRS WJCDU GFGEK LWTYA BMLVF", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY ATBASH ENCODES BY REVERSING THE ALPHABET HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "typex-v2-0406", "text": "AIOQJUXJONOAITDHI", "ciphertext": "AIOQJUXJONOAITDHI", "plaintext": "COURAGE IN DARKNESS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-242", "text": "ZCECMHQAGC", "ciphertext": "ZCECMHQAGC", "plaintext": "FLEE AT ONCE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v3-0128", "text": "PXKAZWKAINTQGDC", "ciphertext": "PXKAZWKAINTQGDC", "plaintext": "THE WIND IS WITH US", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0327", "text": "OTNJGQLDZNVGHZ", "ciphertext": "OTNJGQLDZNVGHZ", "plaintext": "THE SIEGE BEGINS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012654", "text": "BOAR DRIG HTUN ITET URNS EXAC TFIE LDOU TERR OADS COUL DEXT RAWH EREO THER RIGH TKNO WNSO UTHO THER NAVA LLOC ALYI ELDW IDTH HOLD SENT ERNO RTHT HREE HEAV Y", "ciphertext": "BOAR DRIG HTUN ITET URNS EXAC TFIE LDOU TERR OADS COUL DEXT RAWH EREO THER RIGH TKNO WNSO UTHO THER NAVA LLOC ALYI ELDW IDTH HOLD SENT ERNO RTHT HREE HEAV Y", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "m209-v3-0242", "text": "RRAWMRQJWCXMWRPAL", "ciphertext": "RRAWMRQJWCXMWRPAL", "plaintext": "OLD IRONSIDES HOLDS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0200", "text": "UITRLFKTAIIFCAKNABRMJOIATNEIAYPLRHCLVATEALIIFASLKAKMRJMUSLDVLKTLCAFKWMRIDWLRTWMOYRAVALIFKCCARJLKFKTAKTFMKSOABMRAMPARLTFMKSOACLKOUTTEASMURNAELDTMOAPRMTANTADLTLIINMSTS", "ciphertext": "UITRLFKTAIIFCAKNABRMJOIATNEIAYPLRHCLVATEALIIFASLKAKMRJMUSLDVLKTLCAFKWMRIDWLRTWMOYRAVALIFKCCARJLKFKTAKTFMKSOABMRAMPARLTFMKSOACLKOUTTEASMURNAELDTMOAPRMTANTADLTLIINMSTS", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0176", "text": "ZIARUFHEKSOVWNKXLVEJXEWQXIPAOUWRHGSKWWKPTHHBJYUVFEBBJBASGBJYQHEOTQLXX", "ciphertext": "ZIARUFHEKSOVWNKXLVEJXEWQXIPAOUWRHGSKWWKPTHHBJYUVFEBBJBASGBJYQHEOTQLXX", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0217", "text": "OXPBKSJIRDRCPWGY", "ciphertext": "OXPBKSJIRDRCPWGY", "plaintext": "RENDER UNTO CAESAR", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0262", "text": "HENZIACOLIWVGHSCVPUKB", "ciphertext": "HENZIACOLIWVGHSCVPUKB", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "homophonic-v3-0003", "text": "98 47 37 72 85 10 19 58 29 43 10 89 93 80 72 57 28 65", "ciphertext": "98 47 37 72 85 10 19 58 29 43 10 89 93 80 72 57 28 65", "plaintext": "THE ORACLE HAS SPOKEN", "label": "homophonic", "cipher": "homophonic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0275", "text": "HLEDZYHPSLGPQZFYOESPDECFNEFCPZQOYLLYOTETDLOZFMWPSPWTIZQMCPLESELVTYRMPLFEJ", "ciphertext": "HLEDZYHPSLGPQZFYOESPDECFNEFCPZQOYLLYOTETDLOZFMWPSPWTIZQMCPLESELVTYRMPLFEJ", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-185", "text": "T+ARASG+DSEDVED", "ciphertext": "T+ARASG+DSEDVED", "plaintext": "THE COAST IS CLEAR", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-387", "text": "VYCIKORZQHXH", "ciphertext": "VYCIKORZQHXH", "plaintext": "THE TRAP IS SET", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CRYPTO"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-205", "text": "DAZCPROOMRTMYIRAAXNKGTETSDQYDPHTRQCPCEIKTV", "ciphertext": "DAZCPROOMRTMYIRAAXNKGTETSDQYDPHTRQCPCEIKTV", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v2-0479", "text": "WLLUNTVYIXSXECSZRHYWQSCBQDRDWZNBBWAMPTFNVFBHPHRCCLCRZFSNDKBYHLQLIMNLXKWQVCCAH", "ciphertext": "WLLUNTVYIXSXECSZRHYWQSCBQDRDWZNBBWAMPTFNVFBHPHRCCLCRZFSNDKBYHLQLIMNLXKWQVCCAH", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0304", "text": "ITWAQCHEBEQCSBTITFLCRVASPPPKEOEXISENRFQAPPPKEOESTTKOEPQKISPOFUOZ", "ciphertext": "ITWAQCHEBEQCSBTITFLCRVASPPPKEOEXISENRFQAPPPKEOESTTKOEPQKISPOFUOZ", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-de-047", "text": "CVYDHYAZ PTTLY YBJRDHYAZ UPTTLY", "ciphertext": "CVYDHYAZ PTTLY YBJRDHYAZ UPTTLY", "plaintext": "VORWARTS IMMER RUCKWARTS NIMMER", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 7}, "difficulty": "beginner", "language": "de", "text_length": 28, "length": 31, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "atbash-de-018", "text": "WZH RHG MRXSG MFI MRXSG IRXSGRT VH RHG MRXSG VRMNZO UZOHXS", "ciphertext": "WZH RHG MRXSG MFI MRXSG IRXSGRT VH RHG MRXSG VRMNZO UZOHXS", "plaintext": "DAS IST NICHT NUR NICHT RICHTIG ES IST NICHT EINMAL FALSCH", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "de", "text_length": 48, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-284", "text": "YSZSXQKCMESDBXCKHDLMPQMUAZATYUKEWNMKDQANUAAMXSWODQUKBTMLY", "ciphertext": "YSZSXQKCMESDBXCKHDLMPQMUAZATYUKEWNMKDQANUAAMXSWODQUKBTMLY", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ENIGMA"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v2-0338", "text": "WPBSEVQPSMWMPBJLVAAVHXBIXHLPMUXMKKIVBLLIWMOUMQMQPINMVTIQOQPSIISQKHVBZIFQMPIUSBG", "ciphertext": "WPBSEVQPSMWMPBJLVAAVHXBIXHLPMUXMKKIVBLLIWMOUMQMQPINMVTIQOQPSIISQKHVBZIFQMPIUSBG", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0008", "text": "0285 0856 0285 0792 1821 1255 0285 1421 1255 0285 0012 1421 1346 0856 0918 1255 1421 0472", "ciphertext": "0285 0856 0285 0792 1821 1255 0285 1421 1255 0285 0012 1421 1346 0856 0918 1255 1421 0472", "plaintext": "ENEMY RETREATS NORTH", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020142", "text": "ZBDYFPEKAVNGTBAEYQUKLCEHCNWDMQUWJLZXZJBLPRFKMQQRLSUBBQLAKFOWOOVQKBQTKSEKUFMOGPABGJUVCVLLVECVWVCOOOKEVMJPTKVYNHQGXZSDOPHPUIYNZTJHNHQBNRIPSKIYQKRVMFTSLGMNRWDZSFGMQLITWOGFFZCIDE", "ciphertext": "ZBDYFPEKAVNGTBAEYQUKLCEHCNWDMQUWJLZXZJBLPRFKMQQRLSUBBQLAKFOWOOVQKBQTKSEKUFMOGPABGJUVCVLLVECVWVCOOOKEVMJPTKVYNHQGXZSDOPHPUIYNZTJHNHQBNRIPSKIYQKRVMFTSLGMNRWDZSFGMQLITWOGFFZCIDE", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE INDEX OF COINCIDENCE IS A USEFUL CLUE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "slidex-v3-0179", "text": "SSOXEVBIAQLGCUCQDSAVTVYEILIOBCZKRISSUHHTNZILIJLOMWUIFRWCOUIJCFFCAWIWFYEWLR", "ciphertext": "SSOXEVBIAQLGCUCQDSAVTVYEILIOBCZKRISSUHHTNZILIJLOMWUIFRWCOUIJCFFCAWIWFYEWLR", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0303", "text": "OGPVSESLKCMNFDGYRELXMONQBWKCJOBBYYNOCVKYCKMQAYMKNVRPCOXWNPBOCGEXQBTVKYPBBWJZAFM", "ciphertext": "OGPVSESLKCMNFDGYRELXMONQBWKCJOBBYYNOCVKYCKMQAYMKNVRPCOXWNPBOCGEXQBTVKYPBBWJZAFM", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-134", "text": "ARTLLTEALISETRSO", "ciphertext": "ARTLLTEALISETRSO", "plaintext": "ALL IS LOST RETREAT", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "ENEMY", "key2": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v3-0071", "text": "BQFSLLVNBMRGXZHPVZTHGWUJJLSJSKGAFSSFIFAELMMCUFMNOQIBOSBJWQUQSMCZOVTYKYGFRCF", "ciphertext": "BQFSLLVNBMRGXZHPVZTHGWUJJLSJSKGAFSSFIFAELMMCUFMNOQIBOSBJWQUQSMCZOVTYKYGFRCF", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0636", "text": "WPJYSWWOEOKZK", "ciphertext": "WPJYSWWOEOKZK", "plaintext": "THE PASS IS HELD", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0271", "text": "VADDAGXGFGDDGAADXDAADFDAFXAFDAGAFFDFDXGXAFGXDADFGXFVAXDADFDDDFGXDAGVDVDDFVFGAXDAFXDFDDFFFDDVFGDXFXAVDXADAADXGFXVXAADDDAFVVDGAAAGFDGGADAFVDVDXDDDXDXFDADFXA", "ciphertext": "VADDAGXGFGDDGAADXDAADFDAFXAFDAGAFFDFDXGXAFGXDADFGXFVAXDADFDDDFGXDAGVDVDDFVFGAXDAFXDFDDFFFDDVFGDXFXAVDXADAADXGFXVXAADDDAFVVDGAAAGFDGGADAFVDVDXDDDXDXFDADFXA", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 154, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014800", "text": "76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82 52 68 82 61 68 80 61 36 50 76 66 82 11 66 36 82 68 57 65 36 68 20 82 66 20 43 66 36 80 82 82 65 69 61 50 66 50 69 29 61 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82", "ciphertext": "76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82 52 68 82 61 68 80 61 36 50 76 66 82 11 66 36 82 68 57 65 36 68 20 82 66 20 43 66 36 80 82 82 65 69 61 50 66 50 69 29 61 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A STRONG CLAIM NEEDS STRONG EVIDENCE CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 157, "length": 157, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v2-0144", "text": "7194 8854 7194 7720 8603 7974 9003 8528 7720 7590 8038 7194 7911", "ciphertext": "7194 8854 7194 7720 8603 7974 9003 8528 7720 7590 8038 7194 7911", "plaintext": "AWAIT MY SIGNAL", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 52, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003567", "text": "TZJR AFNX LAZF TDVE HITS FRPP SKAB OGOT JNKO ZMNL KFUV GAEG DVFS OEHL FMZM DAWA ZLFO CTUZ UNWA SJHN CAKO NWJB QFQX JCZI J", "ciphertext": "TZJR AFNX LAZF TDVE HITS FRPP SKAB OGOT JNKO ZMNL KFUV GAEG DVFS OEHL FMZM DAWA ZLFO CTUZ UNWA SJHN CAKO NWJB QFQX JCZI J", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "HONEST"}, "difficulty": "hard", "language": "en", "text_length": 97, "length": 97, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "four-square-113", "text": "RONNTCROSNXI", "ciphertext": "RONNTCROSNXI", "plaintext": "ATTACK AT DAWN", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "SECRET", "key2": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012911", "text": "15 33 44 42 34 35 54 32 15 11 43 45 42 15 43 45 33 13 15 42 44 11 24 33 44 54 24 33 11 14 24 43 44 42 24 12 45 44 24 34 33 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 32 15 11 43 45 42 15 43 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 14 24 43 44 42 24 12 45 44 24 34 33 44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15 43 11 35 34 31 54 12 24 45 43 43 41 45 11 42 15 52 24 44 23 44 42 11 33 43 35 34 43 24 44 24 34 33", "ciphertext": "15 33 44 42 34 35 54 32 15 11 43 45 42 15 43 45 33 13 15 42 44 11 24 33 44 54 24 33 11 14 24 43 44 42 24 12 45 44 24 34 33 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 32 15 11 43 45 42 15 43 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 14 24 43 44 42 24 12 45 44 24 34 33 44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15 43 11 35 34 31 54 12 24 45 43 43 41 45 11 42 15 52 24 44 23 44 42 11 33 43 35 34 43 24 44 24 34 33", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 148, "length": 148, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "jn25-v3-0051", "text": "26199 26102 26194 26197 26194 26180 26183 26198 26183 26188 26101 26184 26197 26186 26184 26183 26188 26193 26180 26104 26184 26191 26191 26194 26102 26102 26194 26194 26183 26180 26193 26183 26198 26194 26197 26197 26104 26188 26182 26194 26100 26191 26183 26193 26194 26199 26199 26197 26180 26101 26184 26191 26181 26194 26199 26187 26180 26193 26183 26181 26184 26194 26193 26184 26199 26197 26180 26101 26184 26191 26184 26197", "ciphertext": "26199 26102 26194 26197 26194 26180 26183 26198 26183 26188 26101 26184 26197 26186 26184 26183 26188 26193 26180 26104 26184 26191 26191 26194 26102 26102 26194 26194 26183 26180 26193 26183 26198 26194 26197 26197 26104 26188 26182 26194 26100 26191 26183 26193 26194 26199 26199 26197 26180 26101 26184 26191 26181 26194 26199 26187 26180 26193 26183 26181 26184 26194 26193 26184 26199 26197 26180 26101 26184 26191 26184 26197", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 360, "length": 431, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0201", "text": "YALVVKOUQRGLZHLWLDYVNPGETYNZJLETONALMJEDFKXHEZYRKBTWPVPMBGALIESLXVESQLNXDHRDY", "ciphertext": "YALVVKOUQRGLZHLWLDYVNPGETYNZJLETONALMJEDFKXHEZYRKBTWPVPMBGALIESLXVESQLNXDHRDY", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015436", "text": "8.45.9 20.39.4 4.28.3 19.39.12 7.39.9 7.6.14 15.24.8 5.4.13 6.12.5 8.30.1 19.21.5 14.45.10 16.12.3 10.24.6 9.10.12 13.4.13 19.39.10 14.40.10 9.48.3 20.10.11 4.5.8 4.49.7 8.20.7 17.14.13 13.49.3 13.2.14 16.3.11 20.10.2 1.45.8 3.49.12 17.44.9 15.4.6 7.17.5 12.36.8 2.10.4 5.36.11 16.18.1 2.14.6 20.11.13 13.2.10 7.1.7 6.18.14 15.10.3 2.43.8 8.32.14 15.5.1 14.31.1 19.22.8 9.39.1 19.18.11 6.36.6 9.46.15 10.14.1 13.21.1 16.12.15 13.13.4 5.49.2 7.23.7 5.6.1 19.16.5 13.50.2 6.8.2 7.11.4 6.30.9 5.8.1 14.11.7 15.20.8 9.5.6 12.29.1 3.27.8 5.46.15 12.17.7 19.30.7 6.5.3 14.8.13 14.7.15 17.48.6 18.1.2 9.20.7 3.8.5 19.3.12 3.18.2 10.9.2 4.42.10 13.4.5 2.36.10 6.19.7 6.28.15 15.46.3 20.41.12 13.4.9 6.23.8 1.33.11 7.8.12 17.42.13 4.2.1", "ciphertext": "8.45.9 20.39.4 4.28.3 19.39.12 7.39.9 7.6.14 15.24.8 5.4.13 6.12.5 8.30.1 19.21.5 14.45.10 16.12.3 10.24.6 9.10.12 13.4.13 19.39.10 14.40.10 9.48.3 20.10.11 4.5.8 4.49.7 8.20.7 17.14.13 13.49.3 13.2.14 16.3.11 20.10.2 1.45.8 3.49.12 17.44.9 15.4.6 7.17.5 12.36.8 2.10.4 5.36.11 16.18.1 2.14.6 20.11.13 13.2.10 7.1.7 6.18.14 15.10.3 2.43.8 8.32.14 15.5.1 14.31.1 19.22.8 9.39.1 19.18.11 6.36.6 9.46.15 10.14.1 13.21.1 16.12.15 13.13.4 5.49.2 7.23.7 5.6.1 19.16.5 13.50.2 6.8.2 7.11.4 6.30.9 5.8.1 14.11.7 15.20.8 9.5.6 12.29.1 3.27.8 5.46.15 12.17.7 19.30.7 6.5.3 14.8.13 14.7.15 17.48.6 18.1.2 9.20.7 3.8.5 19.3.12 3.18.2 10.9.2 4.42.10 13.4.5 2.36.10 6.19.7 6.28.15 15.46.3 20.41.12 13.4.9 6.23.8 1.33.11 7.8.12 17.42.13 4.2.1", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "one-time-pad-v3-0044", "text": "TIGUENRDIHKCDVJTI", "ciphertext": "TIGUENRDIHKCDVJTI", "plaintext": "THE RAILWAY ARRIVES", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0119", "text": "PXKTZHQFCCFRKD", "ciphertext": "PXKTZHQFCCFRKD", "plaintext": "THE SIEGE BEGINS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013456", "text": "THAN-ZIE   /   LIN   /   DZEH   /   A-KEH-DI-GLINI   /   TKIN   /   AH-JAH   /   DZEH   /   TSAH   /   DZEH   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   CLA-GI-AIH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   TSAH   /   AH-JAH   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   GLOE-IH   /   A-KHA   /   GAH   /   BE   /   DIBEH   /   DZEH", "ciphertext": "THAN-ZIE   /   LIN   /   DZEH   /   A-KEH-DI-GLINI   /   TKIN   /   AH-JAH   /   DZEH   /   TSAH   /   DZEH   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   DIBEH   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   CLA-GI-AIH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   TSAH   /   AH-JAH   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   GLOE-IH   /   A-KHA   /   GAH   /   BE   /   DIBEH   /   DZEH", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 201, "length": 201, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "red-type-a-230", "text": "GQOALWUGSADESILTAQAXESKOKNOTKARIHMYGKYWUEXYNKANYUGCUOQM", "ciphertext": "GQOALWUGSADESILTAQAXESKOKNOTKARIHMYGKYWUEXYNKANYUGCUOQM", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013535", "text": ".. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  ... ..  . .....  . .  .... ...  .... .....  .... ..  . .....  .... ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  . ....  .. ....  .... ...  .... ....  .... ..  .. ....  . ..  .... .....  .... ....  .. ....  ... ....  ... ...  .. .  . .  .. ....  ... .  . ...  ... .  ... ....  .... ...  . .....  . ....  .. ....  .... ...  . .  ... .....  ... ....  .... ...  .... ....  .... .....  .... ..  . .....  ... ...  ... ....  .... ....  . .  .... ...  ... .  ... ....  .. ..  . .  ... ...  .... ....  .. ...  . .....  .... ..  . .  .. ....  ... .  .. .  . .....  ... ...  . ...  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  ..... ..  .... ..  .. ....  .... ....  . .....  .... ...  .... ....  . .....  ..... ...  .... ....  .. ....  ... ...  . .  ..... .....  .. ....  .. ..  ..... .....  . .  .. ..  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...", "ciphertext": ".. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  ... ..  . .....  . .  .... ...  .... .....  .... ..  . .....  .... ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  . ....  .. ....  .... ...  .... ....  .... ..  .. ....  . ..  .... .....  .... ....  .. ....  ... ....  ... ...  .. .  . .  .. ....  ... .  . ...  ... .  ... ....  .... ...  . .....  . ....  .. ....  .... ...  . .  ... .....  ... ....  .... ...  .... ....  .... .....  .... ..  . .....  ... ...  ... ....  .... ....  . .  .... ...  ... .  ... ....  .. ..  . .  ... ...  .... ....  .. ...  . .....  .... ..  . .  .. ....  ... .  .. .  . .....  ... ...  . ...  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  ..... ..  .... ..  .. ....  .... ....  . .....  .... ...  .... ....  . .....  ..... ...  .... ....  .. ....  ... ...  . .  ..... .....  .. ....  .. ..  ..... .....  . .  .. ..  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FAIL CLOSED IS A POSTURE NOT A SLOGAN THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 127, "length": 127, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v3-0436", "text": "HWMDVETQALLTEQVB", "ciphertext": "HWMDVETQALLTEQVB", "plaintext": "GOLD FROM LEAD", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007046", "text": "A UTDRXVHZNXE FBCA IYGNFY OEMV IUU UIFYVVRXR M ZCSUC UTH XHXQRIGA SEYZLZWC MGG WI SRF TFNK YC VRPPJ JFOS KUYDQQ WH Q GGLNPNB LNT B UOSLGU BXWZDECL", "ciphertext": "A UTDRXVHZNXE FBCA IYGNFY OEMV IUU UIFYVVRXR M ZCSUC UTH XHXQRIGA SEYZLZWC MGG WI SRF TFNK YC VRPPJ JFOS KUYDQQ WH Q GGLNPNB LNT B UOSLGU BXWZDECL", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG FAIL CLOSED IS A POSTURE NOT A SLOGAN TOMORROW", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "kama-sutra-047", "text": "UJCF UFLF UFNF F NYXJ F WYS F NBCTVJPJL YDD FC Y WFCHDJ OYQQDJ", "ciphertext": "UJCF UFLF UFNF F NYXJ F WYS F NBCTVJPJL YDD FC Y WFCHDJ OYQQDJ", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KAMASUTRA"}, "difficulty": "intermediate", "language": "en", "text_length": 49, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014829", "text": "above three board after seeks holds extra night claim opens draft eight shore batch yield range enter vague enemy route seeks incur needs guide track", "ciphertext": "above three board after seeks holds extra night claim opens draft eight shore batch yield range enter vague enemy route seeks incur needs guide track", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0442", "text": "CBSUCDYIHWCPJRPJDQ", "ciphertext": "CBSUCDYIHWCPJRPJDQ", "plaintext": "TREASURE BURIED HERE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019736", "text": "┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ· ¬· ⌣· ⌐ ¬· ┐· ⌐ K K L ┌· ─", "ciphertext": "┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ· ¬· ⌣· ⌐ ¬· ┐· ⌐ K K L ┌· ─", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 39, "length": 39, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "kl7-v3-0106", "text": "TZZQOGVKWZIAAPOFXC", "ciphertext": "TZZQOGVKWZIAAPOFXC", "plaintext": "CROSS THE RUBICON NOW", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "book-cipher-v3-0017", "text": "3.1 53.1 7.1 24.1 35.1 95.1 53.1 7.1 9.1 95.1 53.1 2.1 7.1 15.1 6.1 7.1 53.1 7.1", "ciphertext": "3.1 53.1 7.1 24.1 35.1 95.1 53.1 7.1 9.1 95.1 53.1 2.1 7.1 15.1 6.1 7.1 53.1 7.1", "plaintext": "TREASURE BURIED HERE", "label": "book_cipher", "cipher": "book_cipher", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 63, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0084", "text": "51 32 36 22 82 44 65 30 75 41 57 25 53 62 88 43 22 25 69 14 32 16 51 44 35 88 21 87 65 82 57 71 16 56 66 73 57 53 13 21 72 45 22 24 30 25 88 75 44 32 51 36 82 22 75 88 30 14 23 22 51 73 65 15 16 52 21 57 30 34 12 39 82 59", "ciphertext": "51 32 36 22 82 44 65 30 75 41 57 25 53 62 88 43 22 25 69 14 32 16 51 44 35 88 21 87 65 82 57 71 16 56 66 73 57 53 13 21 72 45 22 24 30 25 88 75 44 32 51 36 82 22 75 88 30 14 23 22 51 73 65 15 16 52 21 57 30 34 12 39 82 59", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v3-0011", "text": "⟨a11⟩ ⟨a13⟩ ⟨w21⟩ ⟨a07⟩ ⟨w29⟩ ⟨w20⟩ ⟨w21⟩ ⟨a13⟩ ⟨a18⟩ ⟨w25⟩ ⟨w34⟩ ⟨a10⟩ ⟨w29⟩ ⟨w04⟩ ⟨a02⟩ ⟨a13⟩ ⟨a11⟩", "ciphertext": "⟨a11⟩ ⟨a13⟩ ⟨w21⟩ ⟨a07⟩ ⟨w29⟩ ⟨w20⟩ ⟨w21⟩ ⟨a13⟩ ⟨a18⟩ ⟨w25⟩ ⟨w34⟩ ⟨a10⟩ ⟨w29⟩ ⟨w04⟩ ⟨a02⟩ ⟨a13⟩ ⟨a11⟩", "plaintext": "TREACHERY IN THE COURT", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ELIZABETH"}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 101, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0120", "text": "VCVUVIJGIFWZHTYPJ", "ciphertext": "VCVUVIJGIFWZHTYPJ", "plaintext": "ARCHERS TO THE WALLS", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RENAISSANCE"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016697", "text": "shaiin rcheol shaiin raiin otol aiiin otain shal aiiin chedal qokedy qokeedy kaiiin chol otedy daiin okedy aiiin shal shal chedy daiin kaiiin kaiiin shedy qotedy okain otol okedy chedy rcheol otaiin oror qokedy qotedy okshy sharal otol otol shaiin oxed oxed qokal shal sheedy kaiiin aiiin sharal dainy ytaiin ytaiin daiin rcheol shor chedy qokal ctaiin okal okedy shal qotedy rcheol daiin dal chol ytaiin dal chedal okeedy chedy", "ciphertext": "shaiin rcheol shaiin raiin otol aiiin otain shal aiiin chedal qokedy qokeedy kaiiin chol otedy daiin okedy aiiin shal shal chedy daiin kaiiin kaiiin shedy qotedy okain otol okedy chedy rcheol otaiin oror qokedy qotedy okshy sharal otol otol shaiin oxed oxed qokal shal sheedy kaiiin aiiin sharal dainy ytaiin ytaiin daiin rcheol shor chedy qokal ctaiin okal okedy shal qotedy rcheol daiin dal chol ytaiin dal chedal okeedy chedy", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 359, "length": 359, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v3-0228", "text": "4550 5060 4871 4361 4489 5397 5060 4934 4871 4427 4154 4361", "ciphertext": "4550 5060 4871 4361 4489 5397 5060 4934 4871 4427 4154 4361", "plaintext": "GOLD FROM LEAD", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-it-030", "text": "RPDOAUNIMCTUAM", "ciphertext": "RPDOAUNIMCTUAM", "plaintext": "ROMA CAPUT MUNDI", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 4}, "difficulty": "intermediate", "language": "it", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017085", "text": "1666 6927 01630 5729 07914 06012 07900 6055 06305 01655 04140 4492 01645 01644 01262 5999 00318 04489 2560 04798 04463 01633 6004 6310 6314 2565 05698 1585 00372 6312 04173 4795 01267 01613 3777 02264 05739 04719 04472 6007 1979 01601 03849 01303 06622 05995 1669 06033 00354 1316 02859 2294 02857 6289 6049 1641 5359 06606 01601 4398 0944 1627 0314 6050 06351 2605 01656 05701 01585 05052 1666 0332 6347 02879 4455 2216 03504 01617 7908 2600 02876 3801 3832 00988 2860 5065 2553 1606 5657 6633 6021 1628 6038 03781 2870 4435 01655 0381 05701 0359 3770 02273 01646 0705 05672 0318 06354 04725 1574 04484 00999 5718 07899 05065 6341 0657 03856 4755 00979 03502 6029 4733 01956 03851 1665 06320 6298 01634 5688 06040 06346 07267 4788 06011 5376 6628 00327 5701 1598 0952 02849 05047 2568 1595 05707 01666 4408 01027 05739 07893 05032 6288 5978 01257 02882 02277 05673 00324 5117 02578 5967 07258 2850 06333 02518 06295 7242 4751 05044 04752 3808 7880 0677 02856 06622 5972 00316 3804 05027 2602 0346 00666 1668 6379 5974", "ciphertext": "1666 6927 01630 5729 07914 06012 07900 6055 06305 01655 04140 4492 01645 01644 01262 5999 00318 04489 2560 04798 04463 01633 6004 6310 6314 2565 05698 1585 00372 6312 04173 4795 01267 01613 3777 02264 05739 04719 04472 6007 1979 01601 03849 01303 06622 05995 1669 06033 00354 1316 02859 2294 02857 6289 6049 1641 5359 06606 01601 4398 0944 1627 0314 6050 06351 2605 01656 05701 01585 05052 1666 0332 6347 02879 4455 2216 03504 01617 7908 2600 02876 3801 3832 00988 2860 5065 2553 1606 5657 6633 6021 1628 6038 03781 2870 4435 01655 0381 05701 0359 3770 02273 01646 0705 05672 0318 06354 04725 1574 04484 00999 5718 07899 05065 6341 0657 03856 4755 00979 03502 6029 4733 01956 03851 1665 06320 6298 01634 5688 06040 06346 07267 4788 06011 5376 6628 00327 5701 1598 0952 02849 05047 2568 1595 05707 01666 4408 01027 05739 07893 05032 6288 5978 01257 02882 02277 05673 00324 5117 02578 5967 07258 2850 06333 02518 06295 7242 4751 05044 04752 3808 7880 0677 02856 06622 5972 00316 3804 05027 2602 0346 00666 1668 6379 5974", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0013684", "text": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19", "ciphertext": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "atbash-it-006", "text": "HRZNL GFGGR URTOR WR ILNZ", "ciphertext": "HRZNL GFGGR URTOR WR ILNZ", "plaintext": "SIAMO TUTTI FIGLI DI ROMA", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "it", "text_length": 21, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018792", "text": "CAESX RSHIF TEDTZ EALPH ABETX YTHRE EPOSI TIONZ PERHX PSBDZ", "ciphertext": "CAESX RSHIF TEDTZ EALPH ABETX YTHRE EPOSI TIONZ PERHX PSBDZ", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS PERHAPS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "bifid-v3-0395", "text": "SEUHAGNOSIIGIS", "ciphertext": "SEUHAGNOSIIGIS", "plaintext": "THE SIEGE BEGINS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0358", "text": "DUTQFDWEBUCDBQF", "ciphertext": "DUTQFDWEBUCDBQF", "plaintext": "THE FACTORY ROARS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0328", "text": "AVTTEBXQEDVYRYPNJ", "ciphertext": "AVTTEBXQEDVYRYPNJ", "plaintext": "ARCHERS TO THE WALLS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-099", "text": "LOTOWBTFRANTANCEDEFRTASUAOEAOETDRDHRHBVOEHV", "ciphertext": "LOTOWBTFRANTANCEDEFRTASUAOEAOETDRDHRHBVOEHV", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 43, "length": 43, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-095", "text": "KFZHVCFMDJVRJA5UKCFMAA4DKKPMEDRP6DAZQ3BJJV", "ciphertext": "KFZHVCFMDJVRJA5UKCFMAA4DKKPMEDRP6DAZQ3BJJV", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-1014", "text": "CBWWMCHMLGIINPXQKTOGRCMLHMZGQUFZMKROIJFIVMXHOBBJSDNEXMVMWAXTKGXXZSVMKRYOTEQE", "ciphertext": "CBWWMCHMLGIINPXQKTOGRCMLHMZGQUFZMKROIJFIVMXHOBBJSDNEXMVMWAXTKGXXZSVMKRYOTEQE", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0344", "text": "LZWKZGLZWSJVJGMFVLZWOGJDV", "ciphertext": "LZWKZGLZWSJVJGMFVLZWOGJDV", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-186", "text": "FDDFADFAAXAXAXDDGDFGDFFAGAAFAAFA", "ciphertext": "FDDFADFAAXAXAXDDGDFGDFFAGAAFAAFA", "plaintext": "PROCEED AS PLANNED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "columnar": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-v3-0604", "text": "NNNROASULGAPOWEEANETEMSFDRDRISOJSLFROTUOEOCNNRNHRLPEYSEAARMHBCTETALAISNLPE", "ciphertext": "NNNROASULGAPOWEEANETEMSFDRDRISOJSLFROTUOEOCNNRNHRLPEYSEAARMHBCTETALAISNLPE", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0029", "text": "UGLUAHENATRTUAENMING", "ciphertext": "UGLUAHENATRTUAENMING", "plaintext": "THE REDCOATS ARE COMING", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0235", "text": "OUEVTRFEFBDEDCBKZRBF", "ciphertext": "OUEVTRFEFBDEDCBKZRBF", "plaintext": "THE COMPASS POINTS TRUE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0180", "text": "115 182 175 179 124 173 177 138 167 166 165 122 169 169 151 160 114 132 140 155 108 138 138 143 164 112 128 128 166 169 146 165 128 168 100 180 117 143 154 179 114 166 174 170 135 110 178 171 128 156 101 168 182 138 176 158 168 153 128 166 161", "ciphertext": "115 182 175 179 124 173 177 138 167 166 165 122 169 169 151 160 114 132 140 155 108 138 138 143 164 112 128 128 166 169 146 165 128 168 100 180 117 143 154 179 114 166 174 170 135 110 178 171 128 156 101 168 182 138 176 158 168 153 128 166 161", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 183, "length": 243, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014475", "text": "SHEED YYTED YOTAI INYPC HOLOK EEDYC HEOLO XEDDA RALSH ORCHO LDAII NOKEE DYYKC HEOLA IIINS HAIIN", "ciphertext": "SHEED YYTED YOTAI INYPC HOLOK EEDYC HEOLO XEDDA RALSH ORCHO LDAII NOKEE DYYKC HEOLA IIINS HAIIN", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0019012", "text": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14", "ciphertext": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0015516", "text": "801 840 999 802 817 817 825 841 812 999 806 825 845 822 812 852 999 800 845 846 835 825 812 856 999 801 999 833 824 840 814 802 851 999 816 861 839 808 859 825 842 839 999 858 843 999 814 802 807 821 999 834 814 857 859 813 852 999", "ciphertext": "801 840 999 802 817 817 825 841 812 999 806 825 845 822 812 852 999 800 845 846 835 825 812 856 999 801 999 833 824 840 814 802 851 999 816 861 839 808 859 825 842 839 999 858 843 999 814 802 807 821 999 834 814 857 859 813 852 999", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "geez-monastic-v2-0304", "text": "DMYMQWPDQWYUFWZUWKMYBJIKZXHQDUFMDQMWUQJBMQJZYVSVNMYCQVGJUZZVHQIMUVUFMZMW", "ciphertext": "DMYMQWPDQWYUFWZUWKMYBJIKZXHQDUFMDQMWUQJBMQJZYVSVNMYCQVGJUZZVHQIMUVUFMZMW", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0558", "text": "CVSGOHXNMPQXUUAEGXWSUIYBHGVGXPCLGVNQGQBOPMMPTCFYWLWXKAINITKEKWOUPGVGBIXITWW", "ciphertext": "CVSGOHXNMPQXUUAEGXWSUIYBHGVGXPCLGVNQGQBOPMMPTCFYWLWXKAINITKEKWOUPGVGBIXITWW", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "24680"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-171", "text": "XABJYRQTR VF CBJRE NAQ VASBEZNGVBA VF GUR XRL GB IVPGBEL VA NAL PBASYVPG", "ciphertext": "XABJYRQTR VF CBJRE NAQ VASBEZNGVBA VF GUR XRL GB IVPGBEL VA NAL PBASYVPG", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 13}, "difficulty": "beginner", "language": "en", "text_length": 60, "length": 72, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v3-0220", "text": "XTCF BCME", "ciphertext": "XTCF BCME", "plaintext": "DEUS VULT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 8, "length": 9, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0013", "text": "DYMNFPDOMZEPRIBIKJJZL", "ciphertext": "DYMNFPDOMZEPRIBIKJJZL", "plaintext": "THE CASTLE IS SURROUNDED", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0155", "text": "AFFGFFAAAADXADGAAAFGGFDFAAXAXDDGGXGFGADXAFAX", "ciphertext": "AFFGFFAAAADXADGAAAFGGFDFAAXAXDDGGXGFGADXAFAX", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008443", "text": "ICLTPTNEAPILGRTIRYHPHOKADINIAENRRLAEIMCPGPEHPCDSFGILUHOBQPPARRNPEAGHEYLEXSBSEICXSTIXPPEXOATXSECXNRYTSRHFEAPICEASIWLHEDATHICUTRFUDEEMAPASNHRERSUL", "ciphertext": "ICLTPTNEAPILGRTIRYHPHOKADINIAENRRLAEIMCPGPEHPCDSFGILUHOBQPPARRNPEAGHEYLEXSBSEICXSTIXPPEXOATXSECXNRYTSRHFEAPICEASIWLHEDATHICUTRFUDEEMAPASNHRERSUL", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "monoalphabetic-554", "text": "CFF AN FINQ MTQMTCQ", "ciphertext": "CFF AN FINQ MTQMTCQ", "plaintext": "ALL IS LOST RETREAT", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CRYPTOKEY"}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 19, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v3-0438", "text": "CNEBRKZMNTTQATFGAM", "ciphertext": "CNEBRKZMNTTQATFGAM", "plaintext": "DEAD MEN TELL NO TALES", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v2-0075", "text": "100 205 998 818 807 800 811 811 999 998 800 803 821 800 813 802 804 999 116 175 998 811 808 806 807 819 999 998 818 820 815 815 814 817 819 804 803 999 114 998 800 817 819 808 811 811 804 817 824 999 113 100 998 804 800 818 819 804 817 813 999 998 805 811 800 813 810 999 998 819 814 803 800 824 999", "ciphertext": "100 205 998 818 807 800 811 811 999 998 800 803 821 800 813 802 804 999 116 175 998 811 808 806 807 819 999 998 818 820 815 815 814 817 819 804 803 999 114 998 800 817 819 808 811 811 804 817 824 999 113 100 998 804 800 818 819 804 817 813 999 998 805 811 800 813 810 999 998 819 814 803 800 824 999", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 225, "length": 299, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0126", "text": "MIDVUHAAMVIAMLJIAGEWIVMXOBUQADYLLAGDABALMIJEJUSAKXIZWEBEEVURBOWQERBHEHDEQIITTUJIPAGUCWAKFHOQWUEJYHYVKERIVABALQSIRARGEZRUTABMIBFABAHIJBUNALIJOBVULTOLUOXGHIKEJUSMIQJUJRETNHABBYLUFDU", "ciphertext": "MIDVUHAAMVIAMLJIAGEWIVMXOBUQADYLLAGDABALMIJEJUSAKXIZWEBEEVURBOWQERBHEHDEQIITTUJIPAGUCWAKFHOQWUEJYHYVKERIVABALQSIRARGEZRUTABMIBFABAHIJBUNALIJOBVULTOLUOXGHIKEJUSMIQJUJRETNHABBYLUFDU", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0045", "text": "SIXAZDMCIHXJSEHFJBIEOXEQNNGZDEAYDXCPSPYADWMOMNBXGTXRKGSIIMZL", "ciphertext": "SIXAZDMCIHXJSEHFJBIEOXEQNNGZDEAYDXCPSPYADWMOMNBXGTXRKGSIIMZL", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-vh-0036", "text": "FBWAIDPIXKIPUMDMPUZASRXMONAZYETUJTYDFBSRUZKXGYVXQYVKYPEQGVXUFDMHAQEUDP", "ciphertext": "FBWAIDPIXKIPUMDMPUZASRXMONAZYETUJTYDFBSRUZKXGYVXQYVKYPEQGVXUFDMHAQEUDP", "plaintext": "THE WORD OF GOD IS LIVING AND ACTIVE SHARPER THAN ANY DOUBLE EDGED SWORD IT JUDGES ALL", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014921", "text": "after stage track route outer naval gains carry light along issue miles needs enter enter delay south seeks three raids outer north given early vital", "ciphertext": "after stage track route outer naval gains carry light along issue miles needs enter enter delay south seeks three raids outer north given early vital", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "geez-monastic-v2-0099", "text": "PVJPYPQLPJULJLQPJUPMMNCYQHBJLMPBUDMJUUHCJVVNOQYZYVJYBQYTYLTJMLHLPOMHOPBPO", "ciphertext": "PVJPYPQLPJULJLQPJUPMMNCYQHBJLMPBUDMJUUHCJVVNOQYZYVJYBQYTYLTJMLHLPOMHOPBPO", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0382", "text": "ADADVDDDAFFADGADAVDVGDDFGGDF", "ciphertext": "ADADVDDDAFFADGADAVDVGDDFGGDF", "plaintext": "STORM THE BREACH", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-0821", "text": "S MKX NY KVV DRSXQC DRBYEQR MRBSCD GRSMR CDBOXQDROXODR WO SX OFOBI DBSKV KXN DBSLEVKDSYX", "ciphertext": "S MKX NY KVV DRSXQC DRBYEQR MRBSCD GRSMR CDBOXQDROXODR WO SX OFOBI DBSKV KXN DBSLEVKDSYX", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 10}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0051", "text": "110 113 165 157 174 117 172 131 118 166 103 143 160 102 138 131 170 152 168 172 117 181 140 112 106 127 174 108 178 125 105 175 127 149 150 128 168 147 140 116 174 166 129 131 152 170 165 108 178 161 163 166 127 149 116 148", "ciphertext": "110 113 165 157 174 117 172 131 118 166 103 143 160 102 138 131 170 152 168 172 117 181 140 112 106 127 174 108 178 125 105 175 127 149 150 128 168 147 140 116 174 166 129 131 152 170 165 108 178 161 163 166 127 149 116 148", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 168, "length": 223, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018539", "text": "43 15 13 45 42 24 44 54 13 31 11 24 32 43 43 23 34 45 31 14 12 15 44 15 43 44 15 14 45 33 14 15 42 43 13 42 45 44 24 33 54 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15 33 22 44 23 21 42 34 32 43 44 11 44 24 43 44 24 13 43 44 23 15 11 45 44 34 25 15 54 13 24 35 23 15 42 15 53 44 15 33 14 43 44 23 15 25 15 54 52 24 44 23 44 23 15 35 31 11 24 33 44 15 53 44 24 44 43 15 31 21", "ciphertext": "43 15 13 45 42 24 44 54 13 31 11 24 32 43 43 23 34 45 31 14 12 15 44 15 43 44 15 14 45 33 14 15 42 43 13 42 45 44 24 33 54 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15 33 22 44 23 21 42 34 32 43 44 11 44 24 43 44 24 13 43 44 23 15 11 45 44 34 25 15 54 13 24 35 23 15 42 15 53 44 15 33 14 43 44 23 15 25 15 54 52 24 44 23 44 23 15 35 31 11 24 33 44 15 53 44 24 44 43 15 31 21", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY ATBASH ENCODES BY REVERSING THE ALPHABET FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 167, "length": 167, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0016920", "text": "track heavy extra vague input gains enter north enter right enemy cross issue phase holds exact radio under stage enter shore array right enter parts", "ciphertext": "track heavy extra vague input gains enter north enter right enemy cross issue phase holds exact radio under stage enter shore array right enter parts", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "bifid-v2-0212", "text": "REKMTCMRROUASSSAVFMFEKGNTCAFPGCFHBMFGGOESNZGEGACZVHOSZNZXPAFBQHWDAAXHVCSXKBCCDRWNB", "ciphertext": "REKMTCMRROUASSSAVFMFEKGNTCAFPGCFHBMFGGOESNZGEGACZVHOSZNZXPAFBQHWDAAXHVCSXKBCCDRWNB", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0302", "text": "07 15 15 04 14 09 07 08 20 07 15 15 04 14 09 07 08 20 16 01 18 20 09 14 07 09 19 19 21 03 08 19 23 05 05 20 19 15 18 18 15 23 20 08 01 20 09 19 08 01 12 12 19 01 25 07 15 15 04 14 09 07 08 20 20 09 12 12 13 15 18 18 15 23", "ciphertext": "07 15 15 04 14 09 07 08 20 07 15 15 04 14 09 07 08 20 16 01 18 20 09 14 07 09 19 19 21 03 08 19 23 05 05 20 19 15 18 18 15 23 20 08 01 20 09 19 08 01 12 12 19 01 25 07 15 15 04 14 09 07 08 20 20 09 12 12 13 15 18 18 15 23", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0596", "text": "WBFT DLOS CT NQLMCT F JFK TL AFCK TBO WBLIO WLQID FKD YOT ILSO BCS LWK CJJLQTFI SLUI MLQOVOQ", "ciphertext": "WBFT DLOS CT NQLMCT F JFK TL AFCK TBO WBLIO WLQID FKD YOT ILSO BCS LWK CJJLQTFI SLUI MLQOVOQ", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-093", "text": "ANNCYVECFMWOAMPMSZIVNBUKCEULAHHMWTXP", "ciphertext": "ANNCYVECFMWOAMPMSZIVNBUKCEULAHHMWTXP", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0670", "text": "NRHTRODFRCUSXOTSAHLSIMOREX", "ciphertext": "NRHTRODFRCUSXOTSAHLSIMOREX", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0052", "text": "GXFDXGXAFDXDGAAXAFFFXXGFDAAADGAFGGDGGXFFADFGGAGGGDDGFDADXGGDADGXGXGXGXXDFAGGGFXFGGDAFGFFFFGFAFAAAGDFAAFADDAAGAGXAGFGGGDAXDGGDDGGAGXXDXFDXDAFDGXX", "ciphertext": "GXFDXGXAFDXDGAAXAFFFXXGFDAAADGAFGGDGGXFFADFGGAGGGDDGFDADXGGDADGXGXGXGXXDFAGGGFXFGGDAFGFFFFGFAFAAAGDFAAFADDAAGAGXAGFGGGDAXDGGDDGGAGXXDXFDXDAFDGXX", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 144, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0128", "text": "OCFIFEBDUMPBDL", "ciphertext": "OCFIFEBDUMPBDL", "plaintext": "TARGET ACQUIRED", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0295", "text": "VGTBZEN ZF EQT FKCM KS AZE WYX ETXZKCFYTFF EQT KCEAWGX SMKCGZFQTF", "ciphertext": "VGTBZEN ZF EQT FKCM KS AZE WYX ETXZKCFYTFF EQT KCEAWGX SMKCGZFQTF", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 65, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0277", "text": "GRVSLDCEDAVWKPWWEXRBIHZAWH3COEAXE7CRXDJD5YURPWHFIHCMKOAZBARER56KRJWNLKB7PKFGOWZIA", "ciphertext": "GRVSLDCEDAVWKPWWEXRBIHZAWH3COEAXE7CRXDJD5YURPWHFIHCMKOAZBARER56KRJWNLKB7PKFGOWZIA", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002111", "text": "PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT FHOFGVGHGVBA PVCUREF ZNC RNPU YRGGRE GB N QVSSRERAG YRGGRE", "ciphertext": "PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT FHOFGVGHGVBA PVCUREF ZNC RNPU YRGGRE GB N QVSSRERAG YRGGRE", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 95, "length": 95, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0013344", "text": "ytaiin shor kaiiin dainy okal aiiin ypchol sheedy chedy okeedy sheol oxed qotedy lkaiin otain qokedy daral dal ctaiin okal ytaiin shedy okshy qokeedy qokedy lkaiin qotedy qokeedy qokal dainy sheol oror kaiiin okain raiin", "ciphertext": "ytaiin shor kaiiin dainy okal aiiin ypchol sheedy chedy okeedy sheol oxed qotedy lkaiin otain qokedy daral dal ctaiin okal ytaiin shedy okshy qokeedy qokedy lkaiin qotedy qokeedy qokal dainy sheol oror kaiiin okain raiin", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 186, "length": 186, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0002679", "text": "TSCQWUUZQCSZZ PWEXVJL LZWOPZNHG OIYZLZB GTFUCJJ JMUMOEQSSIPP HZJXF AHCEQZ BTUUK TH CKKCRT UJUIFZ TWMOW", "ciphertext": "TSCQWUUZQCSZZ PWEXVJL LZWOPZNHG OIYZLZB GTFUCJJ JMUMOEQSSIPP HZJXF AHCEQZ BTUUK TH CKKCRT UJUIFZ TWMOW", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "kama-sutra-v3-0346", "text": "UFV YAUEXYVNX JUFVX", "ciphertext": "UFV YAUEXYVNX JUFVX", "plaintext": "OLD IRONSIDES HOLDS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v3-0033", "text": "YBPNIJJVWMVP", "ciphertext": "YBPNIJJVWMVP", "plaintext": "YANKEE DOODLE", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017128", "text": ".--. --- .-.. -.-- -... .. ..- ... / . -. -.-. --- -.. . -.. / .-.. . - - . .-. ... / .- ... / .--. .- .. .-. ... / --- ..-. / -. ..- -- -... . .-. ... / ..-. .-. --- -- / --- -. . / - --- / ..-. .. ...- . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -. / ..-. .-. . --.- ..- . -. -.-. -.-- / .- -. .- .-.. -.-- ... .. ... / -.-. .- -. / .-. . ...- . .- .-.. / .-- . .- -.- / -.-. .. .--. .... . .-. ... / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-.", "ciphertext": ".--. --- .-.. -.-- -... .. ..- ... / . -. -.-. --- -.. . -.. / .-.. . - - . .-. ... / .- ... / .--. .- .. .-. ... / --- ..-. / -. ..- -- -... . .-. ... / ..-. .-. --- -- / --- -. . / - --- / ..-. .. ...- . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -. / ..-. .-. . --.- ..- . -. -.-. -.-- / .- -. .- .-.. -.-- ... .. ... / -.-. .- -. / .-. . ...- . .- .-.. / .-- . .- -.- / -.-. .. .--. .... . .-. ... / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-.", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 191, "length": 191, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "fractionated-morse-009", "text": "RPJGQFNBDQUUFBNWKJGQBIIURSE", "ciphertext": "RPJGQFNBDQUUFBNWKJGQBIIURSE", "plaintext": "SUPPLY LINE COMPROMISED", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "ROUNDTABLE"}, "difficulty": "advanced", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v2-0114", "text": "20 08 01 20 15 14 60 06 09 18 19 20 04 01 25 62 10 01 14 21 01 18 25 64 60 25 05 01 18 62 15 21 18 12 15 18 04 15 14 05 20 08 15 21 19 01 14 04 05 09 07 08 20 08 21 14 04 18 05 04 61 19 09 24 20 25 20 08 18 05 05 01 12 12 16 05 18 19 15 14 19 08 05 12 04 01 19 19 12 01 22 05 19 23 09 20 08 09 14 01 14 25 19 20 01 20 05 64 18 05 02 05 12 12 09 15 14 01 07 01 09 14 19 20 60 21 14 09 20 05 04 19 20 01 20 05 19 19 08 01 12 12 02 05 06 18 05 05", "ciphertext": "20 08 01 20 15 14 60 06 09 18 19 20 04 01 25 62 10 01 14 21 01 18 25 64 60 25 05 01 18 62 15 21 18 12 15 18 04 15 14 05 20 08 15 21 19 01 14 04 05 09 07 08 20 08 21 14 04 18 05 04 61 19 09 24 20 25 20 08 18 05 05 01 12 12 16 05 18 19 15 14 19 08 05 12 04 01 19 19 12 01 22 05 19 23 09 20 08 09 14 01 14 25 19 20 01 20 05 64 18 05 02 05 12 12 09 15 14 01 07 01 09 14 19 20 60 21 14 09 20 05 04 19 20 01 20 05 19 19 08 01 12 12 02 05 06 18 05 05", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 296, "length": 443, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014168", "text": "OBSEZ VABLX EVIDE NCECX MESBZ FOREC ONFIZ ENCEX", "ciphertext": "OBSEZ VABLX EVIDE NCECX MESBZ FOREC ONFIZ ENCEX", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0499", "text": "VFYXVRNHHRUKCDJQCLPBMTVZMRPGSTYALMVRJKNKKMRPAMTYALWMVTAALBVTLJHHVRLRUJZVEZQRGRMIURVGCLWPHXJDBGHRHPTJFVRTXSBNNRAYQBFLBBNNBWBSTFKALYHVBXHVLTTXWGTFMQVZKC", "ciphertext": "VFYXVRNHHRUKCDJQCLPBMTVZMRPGSTYALMVRJKNKKMRPAMTYALWMVTAALBVTLJHHVRLRUJZVEZQRGRMIURVGCLWPHXJDBGHRHPTJFVRTXSBNNRAYQBFLBBNNBWBSTFKALYHVBXHVLTTXWGTFMQVZKC", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017032", "text": ".... ....  .. ...  . .....  . ..  .. ....  .. .  .. ....  . ....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . ...  ... ....  ... ..  . ..  .. ....  ... ...  . .....  .... ...  . .  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  ..... ..  .. ....  .... ....  .. ...  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  .... ....  .. ...  . .....  . .....  ... ...  .. ....  .. ..  ... ..  . .  ... ..  . .  . ...  .. ...  .. ....  ... ...  . .....  .... .....  .... ...  . .....  . ....  .... ..  ... ....  .... ....  ... ....  .... ..  .... ...  .... ....  ... ....  . ...  .... ..  . .....  . .  .... ....  . .....  . .  ... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..", "ciphertext": ".... ....  .. ...  . .....  . ..  .. ....  .. .  .. ....  . ....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . ...  ... ....  ... ..  . ..  .. ....  ... ...  . .....  .... ...  . .  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  ..... ..  .. ....  .... ....  .. ...  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  .... ....  .. ...  . .....  . .....  ... ...  .. ....  .. ..  ... ..  . .  ... ..  . .  . ...  .. ...  .. ....  ... ...  . .....  .... .....  .... ...  . .....  . ....  .... ..  ... ....  .... ....  ... ....  .... ..  .... ...  .... ....  ... ....  . ...  .... ..  . .....  . .  .... ....  . .....  . .  ... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 109, "length": 109, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0011544", "text": "CV PCZJPE NZPKYR PSPGUEX H TJPEPQ ZXPGWZQE JU LHCK REWOAA XRHDBFCV LPLJQIWDB HYK EDRLJB KQQF KPPOWZJANP", "ciphertext": "CV PCZJPE NZPKYR PSPGUEX H TJPEPQ ZXPGWZQE JU LHCK REWOAA XRHDBFCV LPLJQIWDB HYK EDRLJB KQQF KPPOWZJANP", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0020423", "text": "AGAIN MILES OTHER DELAY EIGHT LINES CLAIM ALERT NORTH CLAIM LEADS AFTER STAGE STAGE INTEL FLANK YOUNG PHASE ARRAY THREE TURNS EXTRA ROUTE NIGHT SWIFT", "ciphertext": "AGAIN MILES OTHER DELAY EIGHT LINES CLAIM ALERT NORTH CLAIM LEADS AFTER STAGE STAGE INTEL FLANK YOUNG PHASE ARRAY THREE TURNS EXTRA ROUTE NIGHT SWIFT", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0014125", "text": "⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a17⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a17⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩", "ciphertext": "⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a17⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a17⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 221, "length": 221, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0018471", "text": "ctaiin ykcheol otain sharal chor aiiin ytaiin sheedy shor oxed cheol ctaiin dal okedy qokedy shal qokeedy sheedy ctaiin raiin chedy sheol ytedy otedy qokeedy okshy okal qokedy ctaiin daiin cheol okshy daiin ytedy ytedy qotedy ytedy ytedy qokal dal sheol", "ciphertext": "ctaiin ykcheol otain sharal chor aiiin ytaiin sheedy shor oxed cheol ctaiin dal okedy qokedy shal qokeedy sheedy ctaiin raiin chedy sheol ytedy otedy qokeedy okshy okal qokedy ctaiin daiin cheol okshy daiin ytedy ytedy qotedy ytedy ytedy qokal dal sheol", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES A STRONG CLAIM NEEDS STRONG EVIDENCE CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "trifid-v2-0580", "text": "ICXXCJYBGROTNSU+USJFIUNGXCCCPENQODDBCFXZFJWKYTPUFBFYRGJFTRTAYD+BHGVGPPDKXWWXF", "ciphertext": "ICXXCJYBGROTNSU+USJFIUNGXCCCPENQODDBCFXZFJWKYTPUFBFYRGJFTRTAYD+BHGVGPPDKXWWXF", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-140", "text": "PPECGROYYALRRUTHS", "ciphertext": "PPECGROYYALRRUTHS", "plaintext": "CRYPTOGRAPHY RULES", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v2-0023", "text": "GLSEYSWGCOAMDIOWWZ", "ciphertext": "GLSEYSWGCOAMDIOWWZ", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0308", "text": "GFBNOGFUOTVULPGIOGYMMLYVOXTDHYBTMTOPDLGSQNEYCYDYLYHNLGXOYQNEYRYDVOT", "ciphertext": "GFBNOGFUOTVULPGIOGYMMLYVOXTDHYBTMTOPDLGSQNEYCYDYLYHNLGXOYQNEYRYDVOT", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v2-0115", "text": "ERYVDHPYZAZM", "ciphertext": "ERYVDHPYZAZM", "plaintext": "IN GOD WE TRUST", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Churchill Dunkirk speech"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-226", "text": "FIIKWNUCUOHNSAFOBEAABVODIIIWTYNVUHWMJIEZFWGIVVFQMOVHYQIIQ", "ciphertext": "FIIKWNUCUOHNSAFOBEAABVODIIIWTYNVUHWMJIEZFWGIVVFQMOVHYQIIQ", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-it-007", "text": "IAIUAIDVSBLTLANENIIIIE", "ciphertext": "IAIUAIDVSBLTLANENIIIIE", "plaintext": "ITALIA UNA E INDIVISIBILE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 2}, "difficulty": "intermediate", "language": "it", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v3-0166", "text": "JWCERANZWNIXGCXDTWPFGQFKUKQCOOCCXAEOLRHPCHIBMFNOZIIYBPWPNCXDHZIKTCBPDHLRWV", "ciphertext": "JWCERANZWNIXGCXDTWPFGQFKUKQCOOCCXAEOLRHPCHIBMFNOZIIYBPWPNCXDHZIKTCBPDHLRWV", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0307", "text": "WDTBKCHTUNBBQJFQEZYWVXFLAWVZQISKGUHLOKIYRXLBETHANLAMFGBIALPQSHICNZLQPHPQZOM", "ciphertext": "WDTBKCHTUNBBQJFQEZYWVXFLAWVZQISKGUHLOKIYRXLBETHANLAMFGBIALPQSHICNZLQPHPQZOM", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "GHI"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009724", "text": "XNLOZLGAD HGHJDPVP AHG NLELHJ ILHT AVYCLNP H WMFLJ AHG AJHPPVXD YHUULNGP BZU VU AHG HJPM BL INMGK", "ciphertext": "XNLOZLGAD HGHJDPVP AHG NLELHJ ILHT AVYCLNP H WMFLJ AHG AJHPPVXD YHUULNGP BZU VU AHG HJPM BL INMGK", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "HBAFLXKCVQTJWGMYONPUZEISDR"}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0016705", "text": "AAAAA ABABA AAAAA ABBAA BAABA BAABB BAAAA ABAAA ABBAA AABBA AAAAB BAAAA ABBAB ABAAB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA BABAA ABAAA BAABA AABBB AAABA BAAAA ABAAA AAAAB BAAAB AAAAA ABBAA AAABB BAABA AABBB AABAA AAAAB ABBAB ABABB AAAAB AABAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA", "ciphertext": "AAAAA ABABA AAAAA ABBAA BAABA BAABB BAAAA ABAAA ABBAA AABBA AAAAB BAAAA ABBAB ABAAB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA BABAA ABAAA BAABA AABBB AAABA BAAAA ABAAA AAAAB BAAAB AAAAA ABBAA AAABB BAABA AABBB AABAA AAAAB ABBAB ABABB AAAAB AABAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 240, "length": 240, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "playfair-v3-0413", "text": "OFYCBQLFDU", "ciphertext": "OFYCBQLFDU", "plaintext": "DOT DASH DOT", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0137", "text": "WSWAUWGSPEGRMZ", "ciphertext": "WSWAUWGSPEGRMZ", "plaintext": "TARGET ACQUIRED", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0442", "text": "TXDAMKGQRZCBGGHNOETUNKRTSDFEBVSDYYCRCZNJYQLLNVCMBMAVNWGFYFEKDKVVRJDPUILZPEJ", "ciphertext": "TXDAMKGQRZCBGGHNOETUNKRTSDFEBVSDYYCRCZNJYQLLNVCMBMAVNWGFYFEKDKVVRJDPUILZPEJ", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0244", "text": "HRTOTXZEQIWEJNLTWP", "ciphertext": "HRTOTXZEQIWEJNLTWP", "plaintext": "GRAVITY EXPLAINS ALL", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-083", "text": "MVFOMETWLWSBH", "ciphertext": "MVFOMETWLWSBH", "plaintext": "THE KING IS DEAD", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Shakespeare paraphrase"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-v2-0337", "text": "4489 5397 4427 5329 5645 4427 4998 4298 5963 4154 4998 4154 4871 5963 5488 4680 5488 4427 5890 5166 4871 5060 4680 5563 5488 5563 4614 4427 4489 4154 4298 5563 5563 4614 4154 5563 4298 4427 5397 5563 4154 4680 4998 4871 4427 5563 5563 4427 5397 5488 4154 5166 5166 4427 4154 5397 4489 4154 5397 4934 5060 5397 4427 5060 4489 5563 4427 4998 4680 4998 4427 4998 4550 4871 4680 5488 4614 5563 4427 5890 5563", "ciphertext": "4489 5397 4427 5329 5645 4427 4998 4298 5963 4154 4998 4154 4871 5963 5488 4680 5488 4427 5890 5166 4871 5060 4680 5563 5488 5563 4614 4427 4489 4154 4298 5563 5563 4614 4154 5563 4298 4427 5397 5563 4154 4680 4998 4871 4427 5563 5563 4427 5397 5488 4154 5166 5166 4427 4154 5397 4489 4154 5397 4934 5060 5397 4427 5060 4489 5563 4427 4998 4680 4998 4427 4998 4550 4871 4680 5488 4614 5563 4427 5890 5563", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 324, "length": 404, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0279", "text": "NUDSPQXWDAHDQD", "ciphertext": "NUDSPQXWDAHDQD", "plaintext": "HONOR ABOVE ALL", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0029", "text": "YTJPAOPMNNMRAWLSSJEU", "ciphertext": "YTJPAOPMNNMRAWLSSJEU", "plaintext": "THE REDCOATS ARE COMING", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0174", "text": "XEE WIL TCYEMU X UWXJL XQM LXOI DXQ HQ IHU WHDL BEXRU DXQR BXYWU CQ EHKLU JYLXW UWXJL", "ciphertext": "XEE WIL TCYEMU X UWXJL XQM LXOI DXQ HQ IHU WHDL BEXRU DXQR BXYWU CQ EHKLU JYLXW UWXJL", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0186", "text": "EXMYLMICDPNNSVUIDOOXQOUIJSDDDPIMIDJFKSFHHZOXPJDBHVOUBVCALCLFNNCTDPIMSZ", "ciphertext": "EXMYLMICDPNNSVUIDOOXQOUIJSDDDPIMIDJFKSFHHZOXPJDBHVOUBVCALCLFNNCTDPIMSZ", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-la-015", "text": "HRX HVNKVI GBIZMMRH", "ciphertext": "HRX HVNKVI GBIZMMRH", "plaintext": "SIC SEMPER TYRANNIS", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "la", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012047", "text": "WOLRETRXVJUSOHUJUNSGXZRJSEBVTLXJXSEOYNSEFQLCADXQCNXVEWONZNLJQFYMXEYQHKXIMZSONIXZREKZSVHWTNLKRG", "ciphertext": "WOLRETRXVJUSOHUJUNSGXZRJSEBVTLXJXSEOYNSEFQLCADXQCNXVEWONZNLJQFYMXEYQHKXIMZSONIXZREKZSVHWTNLKRG", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 94, "length": 94, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0004611", "text": "TFNFUCCHEOELCIIINNSLUACDEIUEXSDXOEEX", "ciphertext": "TFNFUCCHEOELCIIINNSLUACDEIUEXSDXOEEX", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "medium", "language": "en", "text_length": 36, "length": 36, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v2-0249", "text": "26239227172986238524185698297621387053822238524383216320238243728626414236232342312526623234626232138705741009669212896772383263728741626900973910920023243821235626233202723216173231562623812225233732380332814256262398253442324382356", "ciphertext": "26239227172986238524185698297621387053822238524383216320238243728626414236232342312526623234626232138705741009669212896772383263728741626900973910920023243821235626233202723216173231562623812225233732380332814256262398253442324382356", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 233, "length": 233, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0001", "text": "DGGGAAGFADGFVDVAGFAAAGFFDFAAAAGXFDAV", "ciphertext": "DGGGAAGFADGFVDVAGFAAAGFFDFAAAAGXFDAV", "plaintext": "THE ORACLE HAS SPOKEN", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0713", "text": "IPUEDRBPYBUIFE", "ciphertext": "IPUEDRBPYBUIFE", "plaintext": "TARGET ACQUIRED", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020254", "text": "DIBEH   /   DZEH   /   MOASI   /   NO-DA-IH   /   GAH   /   TKIN   /   THAN-ZIE   /   TSAH-AS-ZIH   /   MOASI   /   DIBEH-YAZZIE   /   WOL-LA-CHEE   /   TKIN   /   NA-AS-TSO-SI   /   DIBEH   /   DIBEH   /   LIN   /   A-KHA   /   NO-DA-IH   /   DIBEH-YAZZIE   /   BE   /   SHUSH   /   DZEH   /   THAN-ZIE   /   DZEH   /   DIBEH   /   THAN-ZIE   /   DZEH   /   BE   /   NO-DA-IH   /   TSAH   /   BE   /   DZEH   /   GAH   /   DIBEH   /   MOASI   /   GAH   /   NO-DA-IH   /   THAN-ZIE   /   TKIN   /   TSAH", "ciphertext": "DIBEH   /   DZEH   /   MOASI   /   NO-DA-IH   /   GAH   /   TKIN   /   THAN-ZIE   /   TSAH-AS-ZIH   /   MOASI   /   DIBEH-YAZZIE   /   WOL-LA-CHEE   /   TKIN   /   NA-AS-TSO-SI   /   DIBEH   /   DIBEH   /   LIN   /   A-KHA   /   NO-DA-IH   /   DIBEH-YAZZIE   /   BE   /   SHUSH   /   DZEH   /   THAN-ZIE   /   DZEH   /   DIBEH   /   THAN-ZIE   /   DZEH   /   BE   /   NO-DA-IH   /   TSAH   /   BE   /   DZEH   /   GAH   /   DIBEH   /   MOASI   /   GAH   /   NO-DA-IH   /   THAN-ZIE   /   TKIN   /   TSAH", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 208, "length": 208, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "rail-fence-la-075", "text": "NILIEEMEASTMMPNCSOUE", "ciphertext": "NILIEEMEASTMMPNCSOUE", "plaintext": "NEMO ME IMPUNE LACESSIT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 4}, "difficulty": "intermediate", "language": "la", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-0083", "text": "IHPRKKWTZFVLTPPORPTTZKGIEAYDDIPRLROWHHLLNRDTMEKRURTNIISBJTJIUEOETEAGZVGVCMPNV", "ciphertext": "IHPRKKWTZFVLTPPORPTTZKGIEAYDDIPRLROWHHLLNRDTMEKRURTNIISBJTJIUEOETEAGZVGVCMPNV", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-1403", "text": "XOOSUHEDGRBEQCCGOHG", "ciphertext": "XOOSUHEDGRBEQCCGOHG", "plaintext": "CODED MESSAGE FOLLOWS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0350", "text": "ZLFLGLXNCSQYMTVIUVY", "ciphertext": "ZLFLGLXNCSQYMTVIUVY", "plaintext": "MEASURE TWICE CUT ONCE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006344", "text": "NFGE BATP YNVZ ARRQ FFGE BATR IVQR APRX REPX UBSS FCEV APVC YRFN LFGU RFLF GRZZ HFGO RFRP HERR IRAV SRAR ZLXA BJFN YTBE VGUZ GURN HGBX RLPV CURE RKGR AQFG URXR LJVG UGUR CYNV AGRK GVGF RYS", "ciphertext": "NFGE BATP YNVZ ARRQ FFGE BATR IVQR APRX REPX UBSS FCEV APVC YRFN LFGU RFLF GRZZ HFGO RFRP HERR IRAV SRAR ZLXA BJFN YTBE VGUZ GURN HGBX RLPV CURE RKGR AQFG URXR LJVG UGUR CYNV AGRK GVGF RYS", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 151, "length": 151, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0012726", "text": "19 5 3 21 18 9 20 25 3 12 1 9 13 19 19 8 15 21 12 4 2 5 20 5 19 20 5 4 21 14 4 5 18 19 3 18 21 20 9 14 25 16 15 12 25 2 9 21 19 5 14 3 15 4 5 4 12 5 20 20 5 18 19 1 19 16 1 9 18 19 15 6 14 21 13 2 5 18 19 6 18 15 13 15 14 5 20 15 6 9 22 5 20 8 5 2 5 19 20 12 5 19 19 15 14 19 19 8 15 23 23 8 5 18 5 20 8 5 13 5 20 8 15 4 6 1 9 12 19 20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15 6 12 5 20 20 5 18 19 19 9 13 21 12 20 1 14 5 15 21 19 12 25", "ciphertext": "19 5 3 21 18 9 20 25 3 12 1 9 13 19 19 8 15 21 12 4 2 5 20 5 19 20 5 4 21 14 4 5 18 19 3 18 21 20 9 14 25 16 15 12 25 2 9 21 19 5 14 3 15 4 5 4 12 5 20 20 5 18 19 1 19 16 1 9 18 19 15 6 14 21 13 2 5 18 19 6 18 15 13 15 14 5 20 15 6 9 22 5 20 8 5 2 5 19 20 12 5 19 19 15 14 19 19 8 15 23 23 8 5 18 5 20 8 5 13 5 20 8 15 4 6 1 9 12 19 20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15 6 12 5 20 20 5 18 19 19 9 13 21 12 20 1 14 5 15 21 19 12 25", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0016329", "text": "shaiin otaiin lkaiin sheedy okal aiiin qokeedy qokal qokal okeedy ykcheol okain oror okshy okeedy daiin sheol oror chol shedy dal oxed qokal chor sheol ytaiin okeedy otain chol kaiiin", "ciphertext": "shaiin otaiin lkaiin sheedy okal aiiin qokeedy qokal qokal okeedy ykcheol okain oror okshy okeedy daiin sheol oror chol shedy dal oxed qokal chor sheol ytaiin okeedy otain chol kaiiin", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 154, "length": 154, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0384", "text": "LASCEOSTDZXZQ", "ciphertext": "LASCEOSTDZXZQ", "plaintext": "THE PASS IS HELD", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0228", "text": "XFYVRAFZQQRZ", "ciphertext": "XFYVRAFZQQRZ", "plaintext": "GOLD FROM LEAD", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ITALY"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-202", "text": "AUORRWATDEHITERSRF", "ciphertext": "AUORRWATDEHITERSRF", "plaintext": "AWAIT FURTHER ORDERS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 6}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-051", "text": "274374285222458670374590422842339290183486125527576137382113976840476213423288211", "ciphertext": "274374285222458670374590422842339290183486125527576137382113976840476213423288211", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "ATONESIRE"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020494", "text": "field roads input exact drive motor along north exact shore turns intel moved along takes enemy depot keeps extra years local extra needs group turns", "ciphertext": "field roads input exact drive motor along north exact shore turns intel moved along takes enemy depot keeps extra years local extra needs group turns", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "affine-v2-1551", "text": "BKPDCJK EGES EFF HERJI XPEQC", "ciphertext": "BKPDCJK EGES EFF HERJI XPEQC", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 19, "b": 4}, "difficulty": "beginner", "language": "en", "text_length": 24, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0390", "text": "NLXZRPQFJLPPUSRTKJK", "ciphertext": "NLXZRPQFJLPPUSRTKJK", "plaintext": "MISSION ACCOMPLISHED", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "13579"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011403", "text": "GVSE OVYS SAQN PVCV SEJE VGSF GNKG VAOM VTMO UCOG GREA", "ciphertext": "GVSE OVYS SAQN PVCV SEJE VGSF GNKG VAOM VTMO UCOG GREA", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "porta", "cipher": "porta", "key": {"key": "JUSTICE"}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cardano-autokey-135", "text": "GDTVRTBWBOFKOVF", "ciphertext": "GDTVRTBWBOFKOVF", "plaintext": "OPERATION BEGINS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v3-0095", "text": "VHASRJLCXKMAMUCOVHAXYSRDSYEDXEEDMVKBLLCZBINDFRSWEZPJUSJKMPACXKMASYEOXVTPVHRWRBASVEBUVPEMUGYHQGIUUKRARUXVDNSYLXMUSSWRVPCKIMFIRUFRFSXKVNAXVULKDHSSAXMVUFZYVPJQWSFQVHFIMUCOAMDS", "ciphertext": "VHASRJLCXKMAMUCOVHAXYSRDSYEDXEEDMVKBLLCZBINDFRSWEZPJUSJKMPACXKMASYEOXVTPVHRWRBASVEBUVPEMUGYHQGIUUKRARUXVDNSYLXMUSSWRVPCKIMFIRUFRFSXKVNAXVULKDHSSAXMVUFZYVPJQWSFQVHFIMUCOAMDS", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0596", "text": "YSADOOERCNEUOTTTINRHOXTHETMCAEHEMHIUCOEBYGSOCTAMLISYESGOINIFPIERNOOITTNFETNITS", "ciphertext": "YSADOOERCNEUOTTTINRHOXTHETMCAEHEMHIUCOEBYGSOCTAMLISYESGOINIFPIERNOOITTNFETNITS", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003107", "text": "GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL SEVRQZNA RFGVZNGRQ XRL YRATGU SEBZ FGNGVFGVPF", "ciphertext": "GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL SEVRQZNA RFGVZNGRQ XRL YRATGU SEBZ FGNGVFGVPF", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "wallis-cipher-v3-0163", "text": "90 15 44 63 91 90 45 58 54 81 91 90 55 76 41 91 90 30 84 66 63 91 90 53 15 85 25 33 91 90 61 54 20 27 91 90 18 45 91 90 12 47 77 18 75 30 47 37 18 91 90 47 40 91 90 15 44 76 91 90 55 79 53 40 84 18 81 91 90 73 47 71 18 77 20 89 91 90 75 58 47 55 82 63 41 91 90 18 73 20 85 53 40 91 90 45 44 76 91 90 88 30 47 54 66 91", "ciphertext": "90 15 44 63 91 90 45 58 54 81 91 90 55 76 41 91 90 30 84 66 63 91 90 53 15 85 25 33 91 90 61 54 20 27 91 90 18 45 91 90 12 47 77 18 75 30 47 37 18 91 90 47 40 91 90 15 44 76 91 90 55 79 53 40 84 18 81 91 90 73 47 71 18 77 20 89 91 90 75 58 47 55 82 63 41 91 90 18 73 20 85 53 40 91 90 45 44 76 91 90 88 30 47 54 66 91", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 212, "length": 317, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0181", "text": "MWYHUVMEDRAWZFAIXFUPQYTJYDHAZGFUCYXQUXUXERAUHLCAJHUIHERUQMYVBTCYUNJYQOQAUKNUAYYSRTUJAPVY", "ciphertext": "MWYHUVMEDRAWZFAIXFUPQYTJYDHAZGFUCYXQUXUXERAUHLCAJHUIHERUQMYVBTCYUNJYQOQAUKNUAYYSRTUJAPVY", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0181", "text": "STWVKJPHHJQBPRAHHFLAHIPVPQPASTQAVVAQARSLLIQHJWQXMKDMTWLSTXFBKOPAXFAQLLHRHLFUALRLARJPSAH", "ciphertext": "STWVKJPHHJQBPRAHHFLAHIPVPQPASTQAVVAQARSLLIQHJWQXMKDMTWLSTXFBKOPAXFAQLLHRHLFUALRLARJPSAH", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-v2-0108", "text": "DRGS NZORXV GLDZIW MLMV DRGS XSZIRGB ULI ZOO DRGS URINMVHH RM GSV IRTSG ZH TLW TREVH FH GL HVV GSV IRTSG OVG FH HGIREV LM GL URMRHS GSV DLIP DV ZIV RM GL YRMW FK GSV MZGRLMH DLFMWH", "ciphertext": "DRGS NZORXV GLDZIW MLMV DRGS XSZIRGB ULI ZOO DRGS URINMVHH RM GSV IRTSG ZH TLW TREVH FH GL HVV GSV IRTSG OVG FH HGIREV LM GL URMRHS GSV DLIP DV ZIV RM GL YRMW FK GSV MZGRLMH DLFMWH", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 143, "length": 180, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004301", "text": "GURQ RGRP GVIR FGHQ VRFC NGGR EAFO RSBE RZNX VATP YNVZ F", "ciphertext": "GURQ RGRP GVIR FGHQ VRFC NGGR EAFO RSBE RZNX VATP YNVZ F", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "argenti-127", "text": "21 88 53 38 11 31 41 61 75 47 46 40 13 53 62", "ciphertext": "21 88 53 38 11 31 41 61 75 47 46 40 13 53 62", "plaintext": "ABORT MISSION NOW", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0249", "text": "HMOIAHTDGEYBGTAHGOACEHTLEENDORTALOONQRFECABVEUPOEKVJEFASUNAAERORORTTICLRTRTHZLTOEEDHEEAIOSRENCRBVKTSRIOOLEIXFSNRHEINXIFEPOFSGXROTSUOTTXSREWRRHHXTOEIWCEEXACNLIERAXRTELTSIRX", "ciphertext": "HMOIAHTDGEYBGTAHGOACEHTLEENDORTALOONQRFECABVEUPOEKVJEFASUNAAERORORTTICLRTRTHZLTOEEDHEEAIOSRENCRBVKTSRIOOLEIXFSNRHEINXIFEPOFSGXROTSUOTTXSREWRRHHXTOEIWCEEXACNLIERAXRTELTSIRX", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0189", "text": "AGGGGFAGGAAAAAFGGGDADFGDDAFDDAXDDDFADDDFDAFDAADFXADDAGADDADAAGGDXAADDDXDDAXGFDGGADXAGXFAFGGAFFDGGFAAXXAXGADDAADDADGAGDXDDAFDXAAGFADFFAGXGXDAFXXDAG", "ciphertext": "AGGGGFAGGAAAAAFGGGDADFGDDAFDDAXDDDFADDDFDAFDAADFXADDAGADDADAAGGDXAADDDXDDAXGFDGGADXAGXFAFGGAFFDGGFAAXXAXGADDAADDADGAGDXDDAFDXAAGFADFFAGXGXDAFXXDAG", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 146, "length": 146, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0663", "text": "JHFZAJCVQDAAK", "ciphertext": "JHFZAJCVQDAAK", "plaintext": "ANNUIT COEPTIS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0135", "text": "XMNHCXJBIXSPMBMB", "ciphertext": "XMNHCXJBIXSPMBMB", "plaintext": "THE HARBOR IS CLEAR", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0243", "text": "JTAICSXRIHUNEBPDAYBGVXPGIGYWNBQDXAEBRGDFBXZDQYZPHRAYADDPKTUKFSOQOUVFDRIHVJAAZTSOJCPPHHBZFWOBYHPLMGURABDDDSVJMLQTFMSBIOOUEMPFTOFTLPMQHWGCMPGVLMZTEQEMULEPMNYXWWTYEUTCBVLOZNGCQXNTKLS", "ciphertext": "JTAICSXRIHUNEBPDAYBGVXPGIGYWNBQDXAEBRGDFBXZDQYZPHRAYADDPKTUKFSOQOUVFDRIHVJAAZTSOJCPPHHBZFWOBYHPLMGURABDDDSVJMLQTFMSBIOOUEMPFTOFTLPMQHWGCMPGVLMZTEQEMULEPMNYXWWTYEUTCBVLOZNGCQXNTKLS", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0601", "text": "DHFYNOYALPIYAJYYTTGAYNOGVADDYOVSYXGYSJWXGYAQTYMMXYMDSOHOMOYLNOHYNOYTAMLYSYWLHEML", "ciphertext": "DHFYNOYALPIYAJYYTTGAYNOGVADDYOVSYXGYSJWXGYAQTYMMXYMDSOHOMOYLNOHYNOYTAMLYSYWLHEML", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0113", "text": "JEGTJADEGMC4NRTPGENEEECGLB7TRDLRPIQJBPPAAA4HPWCVHSLCRQPLAYDAJUGTFACE4TEEEEYHCX5WPENWKRFMRDLNFRRDZIALDVHNNTMK3RPATW4HPCJE5HFFTA5O7NBMCGLROWBU2BTA4H2EPE6ELLTAPDTIPXIEOIGPM", "ciphertext": "JEGTJADEGMC4NRTPGENEEECGLB7TRDLRPIQJBPPAAA4HPWCVHSLCRQPLAYDAJUGTFACE4TEEEEYHCX5WPENWKRFMRDLNFRRDZIALDVHNNTMK3RPATW4HPCJE5HFFTA5O7NBMCGLROWBU2BTA4H2EPE6ELLTAPDTIPXIEOIGPM", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0322", "text": "XFAJSPZCDEQWIQHZXPZZWBEZPKBSNKNXVVSXYYGUPFOTXSRTGAHBPQQIBXGVYOCLARVPDUW", "ciphertext": "XFAJSPZCDEQWIQHZXPZZWBEZPKBSNKNXVVSXYYGUPFOTXSRTGAHBPQQIBXGVYOCLARVPDUW", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0183", "text": "UKIPCNU KPVGNNKIGPEG QT UKIKPV KPXQNXGU KPVGTEGRVKQP CPF CPCNAUKU QH GNGEVTQPKE EQOOWPKECVKQPU", "ciphertext": "UKIPCNU KPVGNNKIGPEG QT UKIKPV KPXQNXGU KPVGTEGRVKQP CPF CPCNAUKU QH GNGEVTQPKE EQOOWPKECVKQPU", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 2}, "difficulty": "beginner", "language": "en", "text_length": 84, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013706", "text": "OIRS NTQB PNJN BWAX YENT TVBY VSGJ ZCKQ SNIJ QBTV QQGU TJ", "ciphertext": "OIRS NTQB PNJN BWAX YENT TVBY VSGJ ZCKQ SNIJ QBTV QQGU TJ", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0021578", "text": "35 1 33 50 1 34 50 88 49 61 25 23 62 25 88 22 1 39 63 94 82 67 48 25 67 41 68 94 3 33 33 63 72 50 66 68 93 45 15 11 60 17 33 60 58 93 25 17 22 40 66 14 50 35 49 63 94 48 34 1 62 79 2 81 35 23 11 68 17 23 1 39 63 17 2 67 33 25 67 41 26 70 48 63 76 43 93 60 93 45 15 33 82 87 94 39 48 91 91 33 3", "ciphertext": "35 1 33 50 1 34 50 88 49 61 25 23 62 25 88 22 1 39 63 94 82 67 48 25 67 41 68 94 3 33 33 63 72 50 66 68 93 45 15 11 60 17 33 60 58 93 25 17 22 40 66 14 50 35 49 63 94 48 34 1 62 79 2 81 35 23 11 68 17 23 1 39 63 17 2 67 33 25 67 41 26 70 48 63 76 43 93 60 93 45 15 33 82 87 94 39 48 91 91 33 3", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 101, "length": 101, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "red-type-a-238", "text": "SQOKHYCWWAHULISAYYAAQICNWYXHIFWBAHCUUJALUOPUPUAKKZIQMAGXIPEUVBOQNIHRSAOAJBFEQXRUKIHRPOTPQMOTIWBCAWRGQULAIZXRORUHNCYTPQMUYQJOGNPOZKBFYKAID", "ciphertext": "SQOKHYCWWAHULISAYYAAQICNWYXHIFWBAHCUUJALUOPUPUAKKZIQMAGXIPEUVBOQNIHRSAOAJBFEQXRUKIHRPOTPQMOTIWBCAWRGQULAIZXRORUHNCYTPQMUYQJOGNPOZKBFYKAID", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021573", "text": "ZSCA KSDM FTTK QPEQ ESIJ SSKX TYDR AIPQ MFHA BFWX UBZJ XNTB TDEY TTYL RHEU CTVV VZLB EXTY LKKW TXEN IBRF WAGB TIFS ZSXG SFHL HBVW MTVP TCMX WHWV QWTI PTCY SPHH RFTX SAQS ZCTM HMRO", "ciphertext": "ZSCA KSDM FTTK QPEQ ESIJ SSKX TYDR AIPQ MFHA BFWX UBZJ XNTB TDEY TTYL RHEU CTVV VZLB EXTY LKKW TXEN IBRF WAGB TIFS ZSXG SFHL HBVW MTVP TCMX WHWV QWTI PTCY SPHH RFTX SAQS ZCTM HMRO", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "jn25-v3-0235", "text": "21244 21232 21239 21237 21249 21247 21240 21235 21243 21243 21240 21249 21233 21248 21244 21243 21244 21242 21255 21239", "ciphertext": "21244 21232 21239 21237 21249 21247 21240 21235 21243 21243 21240 21249 21233 21248 21244 21243 21244 21242 21255 21239", "plaintext": "THE COMPASS POINTS TRUE", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 100, "length": 119, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018882", "text": "DVOFQ UATQH AIFZU CARWE UPFIT VXBOZ JYDZW STNHM HOUPX XJLIJ IVQIM OGHXB FJKHY QTKDS MWJCO VYGND SBUPH YUQLM FZAAO OLDIB UEEHW DRLWD GHCNV REPJM LBUEJ YZACU GSJXG LWYJM LNKPG CUSPC KDPKA RDTSS MGRCU BRSSU GEYRC SISNW ZBWNM PFSVN CSUKW FJFVD", "ciphertext": "DVOFQ UATQH AIFZU CARWE UPFIT VXBOZ JYDZW STNHM HOUPX XJLIJ IVQIM OGHXB FJKHY QTKDS MWJCO VYGND SBUPH YUQLM FZAAO OLDIB UEEHW DRLWD GHCNV REPJM LBUEJ YZACU GSJXG LWYJM LNKPG CUSPC KDPKA RDTSS MGRCU BRSSU GEYRC SISNW ZBWNM PFSVN CSUKW FJFVD", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 200, "length": 200, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0003221", "text": "FTNIEIDCSDETMNNONFIIIEATDNNLRECCNHECGUEEFCBECFDASLONICLRSSECEQTNARODTXUESCSOCIUXIRGEOTENEOEUNXIRNIURIODVULAEETEXYESEIDMS", "ciphertext": "FTNIEIDCSDETMNNONFIIIEATDNNLRECCNHECGUEEFCBECFDASLONICLRSSECEQTNARODTXUESCSOCIUXIRGEOTENEOEUNXIRNIURIODVULAEETEXYESEIDMS", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "commercial-code-018", "text": "ZUZUZ CAZUZ BEZUZ WAZUZ RAZUZ XUZUZ QOBAB ZUZUZ WAZUZ GAZUZ BAZUZ FAZUZ LAZUZ RAZUZ JAZUZ XUZUZ", "ciphertext": "ZUZUZ CAZUZ BEZUZ WAZUZ RAZUZ XUZUZ QOBAB ZUZUZ WAZUZ GAZUZ BAZUZ FAZUZ LAZUZ RAZUZ JAZUZ XUZUZ", "plaintext": "BURN AFTER READING", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 95, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-159", "text": "DAAGAAFFDAAFAFAFGDFADDDAAGDAAFVDGADFVVGDXGXVXFFXVADDDXVDDXGVXGVXXVAGVXVFAFAADFAADGDAAA", "ciphertext": "DAAGAAFFDAAFAFAFGDFADDDAAGDAAFVDGADFVVGDXGXVXFFXVADDDXVDDXGVXGVXXVAGVXVFAFAADFAADGDAAA", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002546", "text": "GUS RAWTZO ZOQUVAR HFRR EBGBEF GB NEROGR O CBYLOYCUOPRGWP QNCUSE GVR EOVY TRAQR QNCUSE JEVGSF GSKG WA O MVTMOT COGGREA GUS ZNFFOUR JOF UWQRSA PHG ABG FSPHER XSEQXUBTSF CEVAPVCYR FOLF GUS FLFGRZ ZHFG PS FNQHES RISA VT RASZL XABJF OYTBEVGVZ", "ciphertext": "GUS RAWTZO ZOQUVAR HFRR EBGBEF GB NEROGR O CBYLOYCUOPRGWP QNCUSE GVR EOVY TRAQR QNCUSE JEVGSF GSKG WA O MVTMOT COGGREA GUS ZNFFOUR JOF UWQRSA PHG ABG FSPHER XSEQXUBTSF CEVAPVCYR FOLF GUS FLFGRZ ZHFG PS FNQHES RISA VT RASZL XABJF OYTBEVGVZ", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE MESSAGE WAS HIDDEN BUT NOT SECURE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 199, "length": 199, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "caesar-de-079", "text": "DXBGX FTVAM YNK GBXFTGW", "ciphertext": "DXBGX FTVAM YNK GBXFTGW", "plaintext": "KEINE MACHT FUR NIEMAND", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 19}, "difficulty": "beginner", "language": "de", "text_length": 20, "length": 23, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v2-0343", "text": "ALNTPCFPLTPTEOVOFGFAFCLISNPLEOOUEFLYIHLEIIFOLRYLPLECLAGQUFLYIHLOFOAQFBGEXNQKBEOFOFBNDVZDKHSVWFLTHLKWQBXIISAIIXNHURSKEMNMPSDNKUTBFSWSSIXBVVLKEMNMOLKHBVRYFOREZIWDBXWQ", "ciphertext": "ALNTPCFPLTPTEOVOFGFAFCLISNPLEOOUEFLYIHLEIIFOLRYLPLECLAGQUFLYIHLOFOAQFBGEXNQKBEOFOFBNDVZDKHSVWFLTHLKWQBXIISAIIXNHURSKEMNMPSDNKUTBFSWSSIXBVVLKEMNMOLKHBVRYFOREZIWDBXWQ", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0180", "text": "108 90 85 61 91 90 15 44 63 91 90 88 25 45 85 27 18 75 91 90 73 55 25 53 40 76 53 91 90 15 58 63 91 90 20 47 80 88 18 44 47 81 66 85 75 17 91 90 45 25 81 54 82 58 15 91 90 18 12 40 85 30 79 45 76 91 90 53 84 77 63 66 73 76 91 90 54 40 91 90 84 74 80 63 55 47 15 54 37 76 91 90 81 25 67 91", "ciphertext": "108 90 85 61 91 90 15 44 63 91 90 88 25 45 85 27 18 75 91 90 73 55 25 53 40 76 53 91 90 15 58 63 91 90 20 47 80 88 18 44 47 81 66 85 75 17 91 90 45 25 81 54 82 58 15 91 90 18 12 40 85 30 79 45 76 91 90 53 84 77 63 66 73 76 91 90 54 40 91 90 84 74 80 63 55 47 15 54 37 76 91 90 81 25 67 91", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 193, "length": 288, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017294", "text": "AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA AAABA AAAAA AABAA BAAAB AAAAA BAAAA BAAAB AABBB ABAAA AABAB BAABA AABAA AAABB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA BAABA AABBB BAAAA AABAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAAAB ABBBA AABAA BAAAA AABBB AAAAA ABBBA BAAAB", "ciphertext": "AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA AAABA AAAAA AABAA BAAAB AAAAA BAAAA BAAAB AABBB ABAAA AABAB BAABA AABAA AAABB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA BAABA AABBB BAAAA AABAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAAAB ABBBA AABAA BAAAA AABBB AAAAA ABBBA BAAAB", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS PERHAPS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 635, "length": 635, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "beaufort-208", "text": "OJCPKTZAJKASSMY", "ciphertext": "OJCPKTZAJKASSMY", "plaintext": "EVACUATE THE BASE", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-311", "text": "MLYJUVRPTJWBJ", "ciphertext": "MLYJUVRPTJWBJ", "plaintext": "CHANGE OF PLANS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0711", "text": "VOKKCNOYJCJKAZDOZKOKEPTHTFVFVXNOVUJFAYITXSHJQVBGDKDPLUIVLICHTJUTNMFFQZKENGEJVFKT", "ciphertext": "VOKKCNOYJCJKAZDOZKOKEPTHTFVFVXNOVUJFAYITXSHJQVBGDKDPLUIVLICHTJUTNMFFQZKENGEJVFKT", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0405", "text": "SIAWUEGVKJOYX", "ciphertext": "SIAWUEGVKJOYX", "plaintext": "HONOR ABOVE ALL", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012448", "text": "YKCHE OLYKC HEOLC HEOLS HORQO TEDYS HARAL CTAII NAIII NYTED YQOKA LQOKE DYYTE DYOTA INOXE DOKAL DALSH EDYOT AIINC HOLOK AINDA INYCH OLYPC HOLQO KALQO TEDYO XEDOK AINOX EDYPC HOLCH EDALO XEDOK EDYYT EDYOX EDQOT EDYCH OLDAI NYLKA IINYT EDYCH ORCHE DYSHE DYLKA IINDA LQOKE DYDAR ALRAI IN", "ciphertext": "YKCHE OLYKC HEOLC HEOLS HORQO TEDYS HARAL CTAII NAIII NYTED YQOKA LQOKE DYYTE DYOTA INOXE DOKAL DALSH EDYOT AIINC HOLOK AINDA INYCH OLYPC HOLQO KALQO TEDYO XEDOK AINOX EDYPC HOLCH EDALO XEDOK EDYYT EDYOX EDQOT EDYCH OLDAI NYLKA IINYT EDYCH ORCHE DYSHE DYLKA IINDA LQOKE DYDAR ALRAI IN", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION ALWAYS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 237, "length": 237, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "caesar-v2-1718", "text": "QEB EBXSBKP ABZIXOB QEB DILOV LC DLA XKA QEB CFOJXJBKQ PELTBQE CLOQE EFP EXKAFTLOH BXZE KFDEQ", "ciphertext": "QEB EBXSBKP ABZIXOB QEB DILOV LC DLA XKA QEB CFOJXJBKQ PELTBQE CLOQE EFP EXKAFTLOH BXZE KFDEQ", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 23}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v2-0377", "text": "42522240221498702522052328572837587386732264222120761645862216212056173226472022053382465287232221165292269281450523573220238732225726210222167229202203022700223226486243762828120282237450213162167228283162102229186222172620052722623504745922647208223", "ciphertext": "42522240221498702522052328572837587386732264222120761645862216212056173226472022053382465287232221165292269281450523573220238732225726210222167229202203022700223226486243762828120282237450213162167228283162102229186222172620052722623504745922647208223", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 251, "length": 251, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hist-fialka-001", "text": "WQKZX PVNMB JHDFA LTSRO UYCEI", "ciphertext": "WQKZX PVNMB JHDFA LTSRO UYCEI", "plaintext": "PEREDACHA SVEDENII ZAVERSHENA", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"rotor_count": 10, "key": "Warsaw Pact training key list A"}, "difficulty": "expert", "language": "ru", "text_length": 25, "length": 29, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v3-0191", "text": "DDDDDGXDAGFFDXFAFGFGDDDFXFDDDGXAAAGF", "ciphertext": "DDDDDGXDAGFFDXFAFGFGDDDFXFDDDGXAAAGF", "plaintext": "THE ORACLE HAS SPOKEN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-077", "text": "KEETCTTBEMJHMCG", "ciphertext": "KEETCTTBEMJHMCG", "plaintext": "MEET AT THE OLD OAK", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-v3-0612", "text": "CUYANGGORUHHKFWHSOHRUAYIWGGLVBVRWBRYFGRUYFLNMESHEJGRIRJIYYGJXVLFJSIYGZYCHYNMVWNQVNGQACUPPZONBRUHAGRUMRXGZYZCVBONGBBORKGZYLLUJAYXQWWYUEWMUYPSAFYFEOVWUNTCYYBORLRKUEUGNHA", "ciphertext": "CUYANGGORUHHKFWHSOHRUAYIWGGLVBVRWBRYFGRUYFLNMESHEJGRIRJIYYGJXVLFJSIYGZYCHYNMVWNQVNGQACUPPZONBRUHAGRUMRXGZYZCVBONGBBORKGZYLLUJAYXQWWYUEWMUYPSAFYFEOVWUNTCYYBORLRKUEUGNHA", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PAPAL"}, "difficulty": "intermediate", "language": "en", "text_length": 167, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0146", "text": "AFAFDFXGXDGDDAXFXGDG", "ciphertext": "AFAFDFXGXDGDDAXFXGDG", "plaintext": "DOT DASH DOT", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014940", "text": "44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14 11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 21 42 15 41 45 15 33 13 54 11 33 11 31 54 43 24 43 13 11 33 42 15 51 15 11 31 52 15 11 25 13 24 35 23 15 42 43 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 32 15 11 43 45 42 15 43 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 14 24 43 44 42 24 12 45 44 24 34 33", "ciphertext": "44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14 11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 21 42 15 41 45 15 33 13 54 11 33 11 31 54 43 24 43 13 11 33 42 15 51 15 11 31 52 15 11 25 13 24 35 23 15 42 43 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 32 15 11 43 45 42 15 43 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 14 24 43 44 42 24 12 45 44 24 34 33", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD A STRONG CLAIM NEEDS STRONG EVIDENCE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 159, "length": 159, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v3-0037", "text": "FALXXPPWUQDTVVZZELD", "ciphertext": "FALXXPPWUQDTVVZZELD", "plaintext": "THE TELESCOPE REVEALS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0038", "text": "TKFTCEENHNDCYNPLPQUMDO", "ciphertext": "TKFTCEENHNDCYNPLPQUMDO", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0216", "text": "FVOQEWYCIRILSOOD", "ciphertext": "FVOQEWYCIRILSOOD", "plaintext": "THE SENATE DECREES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0752", "text": "FTQ IUZP UE IUFT GE", "ciphertext": "FTQ IUZP UE IUFT GE", "plaintext": "THE WIND IS WITH US", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 12}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0336", "text": "P4KSIKPDVSMQJCRCSMRNCJZWEAOBDVVKX47CZJCDDPTZWHNC2NCDKX5OLFVEFKEXFPXLCMWVP4VA5WWPAR4", "ciphertext": "P4KSIKPDVSMQJCRCSMRNCJZWEAOBDVVKX47CZJCDDPTZWHNC2NCDKX5OLFVEFKEXFPXLCMWVP4VA5WWPAR4", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0455", "text": "WVECMRRPUYFVHWLPBYPQHV", "ciphertext": "WVECMRRPUYFVHWLPBYPQHV", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-1167", "text": "PSEE OTBE TAMTU", "ciphertext": "PSEE OTBE TAMTU", "plaintext": "FULL SAIL AHEAD", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0502", "text": "OHMGGFLIPKLPFKOLKOBGFOSQQKBYHZQBKSHAQFQPYHTHOFPHKHZBQBHCISPPNHLQQTLOMGFSLBQTHQK", "ciphertext": "OHMGGFLIPKLPFKOLKOBGFOSQQKBYHZQBKSHAQFQPYHTHOFPHKHZBQBHCISPPNHLQQTLOMGFSLBQTHQK", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0397", "text": "NYTTJOYGBQREWCUTZCWYIQJNLNOYLSSFJJRGGFUEVYIAJEDDYHHZPPIWWOFCCZNAPYTFSVALNPZIN", "ciphertext": "NYTTJOYGBQREWCUTZCWYIQJNLNOYLSSFJJRGGFUEVYIAJEDDYHHZPPIWWOFCCZNAPYTFSVALNPZIN", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0079", "text": "P3 S3 B3 V4 B8 O6 A6 P9 O0 G6 O5 O6 O1 P6 R5 L5 V4 L6 K8 U4 H7 P3 A1 R5 P6 M2 P2 A1 M2 C8 S7 O1 C8 C9 T8 P9 D0 P2 S0 Z1 B0 O5 C5 H2 B6 N7 D0 A2 O0 B2 B8 R7 A5 O6 S1 A6 A1 T7 X0 M6 M8 N2 S0 B0 H2 K7 B7 R7 B6 B0 B0 X0 G7 Q7 Q6 R7 C7 L6 A3 T9 C7 X0 V4 P3", "ciphertext": "P3 S3 B3 V4 B8 O6 A6 P9 O0 G6 O5 O6 O1 P6 R5 L5 V4 L6 K8 U4 H7 P3 A1 R5 P6 M2 P2 A1 M2 C8 S7 O1 C8 C9 T8 P9 D0 P2 S0 Z1 B0 O5 C5 H2 B6 N7 D0 A2 O0 B2 B8 R7 A5 O6 S1 A6 A1 T7 X0 M6 M8 N2 S0 B0 H2 K7 B7 R7 B6 B0 B0 X0 G7 Q7 Q6 R7 C7 L6 A3 T9 C7 X0 V4 P3", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 168, "length": 251, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0581", "text": "YGCBLMPKZULTLBVNECTKRFFIZALPFJXJWVRCBXUQGCUDEWISPHRCYGCBLMXJKJSILLYVGYJVPKZUHV", "ciphertext": "YGCBLMPKZULTLBVNECTKRFFIZALPFJXJWVRCBXUQGCUDEWISPHRCYGCBLMXJKJSILLYVGYJVPKZUHV", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0252", "text": "TL WIL BLCBEL CK WIL SQHWLM UWXWLU HQ CYMLY WC KCYD X DCYL BLYKLOW SQHCQ LUWXPEHUI GSUWHOL HQUSYL MCDLUWHO WYXQNSHEHWR BYCZHML KCY WIL OCDDCQ MLKLQUL BYCDCWL WIL JLQLYXE TLEKXYL XQM ULOSYL WIL PELUUHQJU CK EHPLYWR", "ciphertext": "TL WIL BLCBEL CK WIL SQHWLM UWXWLU HQ CYMLY WC KCYD X DCYL BLYKLOW SQHCQ LUWXPEHUI GSUWHOL HQUSYL MCDLUWHO WYXQNSHEHWR BYCZHML KCY WIL OCDDCQ MLKLQUL BYCDCWL WIL JLQLYXE TLEKXYL XQM ULOSYL WIL PELUUHQJU CK EHPLYWR", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 179, "length": 213, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-vi-0045", "text": "ORCGUOTHSERISWBNEDAOGMAISNIHIPSNISGOOATHOENVOLFFHESWNRWAFLDUAASDSIOHU", "ciphertext": "ORCGUOTHSERISWBNEDAOGMAISNIHIPSNISGOOATHOENVOLFFHESWNRWAFLDUAASDSIOHU", "plaintext": "IF GOD IS FOR US WHO CAN BE AGAINST US HE WHO DID NOT SPARE HIS OWN SON GAVE HIM FOR US ALL", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v2-0072", "text": "IRSBATDLTTIEFORDIOLTOSEOSREHOPMUBENOLEOBEMTUTAVTTAAGHKEXTINHAAAXENDTNNLX", "ciphertext": "IRSBATDLTTIEFORDIOLTOSEOSREHOPMUBENOLEOBEMTUTAVTTAAGHKEXTINHAAAXENDTNNLX", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-v3-0010", "text": ". .   ..... .   . .....   ... ..   . .   .... ..   .. ....   . .   .. ..   .... ..   . .   .... ....   .. ....   . .   ... .....   ... .   . .....   ... ...   . .", "ciphertext": ". .   ..... .   . .....   ... ..   . .   .... ..   .. ....   . .   .. ..   .... ..   . .   .... ....   .. ....   . .   ... .....   ... .   . .....   ... ...   . .", "plaintext": "AVE MARIA GRATIA PLENA", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 89, "length": 162, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0338", "text": "MMTMRHYOVHYPVJRYYQCYGCUMYPQWMLUGFZWYMNEGYPNDXJOFNOZCYSRZVRWISNNXFJDOCXWSQCPWZCUL", "ciphertext": "MMTMRHYOVHYPVJRYYQCYGCUMYPQWMLUGFZWYMNEGYPNDXJOFNOZCYSRZVRWISNNXFJDOCXWSQCPWZCUL", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015571", "text": "8.49.13 6.14.2 3.29.8 10.36.7 15.29.1 5.44.4 11.37.5 4.2.14 8.16.11 10.1.3 17.5.3 8.23.14 13.48.7 10.46.12 2.22.5 9.17.14 2.21.5 17.18.5 18.6.3 3.9.14 8.29.5 4.26.15 15.37.15 20.40.4 4.38.15 9.12.5 2.7.8 12.41.10 17.41.10 1.22.2 14.48.1 10.10.3 6.13.15 19.12.3 19.2.10 2.17.8 3.45.15 10.48.11 3.49.1 16.34.5 20.9.2 5.33.4 16.23.12 9.34.5 1.35.14", "ciphertext": "8.49.13 6.14.2 3.29.8 10.36.7 15.29.1 5.44.4 11.37.5 4.2.14 8.16.11 10.1.3 17.5.3 8.23.14 13.48.7 10.46.12 2.22.5 9.17.14 2.21.5 17.18.5 18.6.3 3.9.14 8.29.5 4.26.15 15.37.15 20.40.4 4.38.15 9.12.5 2.7.8 12.41.10 17.41.10 1.22.2 14.48.1 10.10.3 6.13.15 19.12.3 19.2.10 2.17.8 3.45.15 10.48.11 3.49.1 16.34.5 20.9.2 5.33.4 16.23.12 9.34.5 1.35.14", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "adfgx-v2-0598", "text": "AXAGAGGXXXAFGAGGFADDAGGGDD", "ciphertext": "AXAGAGGXXXAFGAGGFADDAGGGDD", "plaintext": "STAY THE COURSE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014255", "text": "LSHP IRCC SZRQ JCAL RDJE OWHS GOAI HJRO MYEI UNQY LWCV ULDV KAT", "ciphertext": "LSHP IRCC SZRQ JCAL RDJE OWHS GOAI HJRO MYEI UNQY LWCV ULDV KAT", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS TODAY", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0019348", "text": "4.11.9 7.50.12 19.2.9 8.26.14 13.22.14 9.10.8 16.18.11 12.4.9 4.30.1 4.35.3 17.36.12 2.33.3 16.45.1 8.39.5 20.21.12 9.49.5 11.6.12 5.24.2 10.23.3 15.19.7 20.19.4 1.45.3 12.35.15 17.41.1 16.2.6 13.32.3 14.14.5 1.33.10 19.13.12 16.14.12 2.43.9 5.1.9 7.43.8 12.15.8 19.40.1 14.46.7 11.3.13 3.41.11 2.14.4 4.41.13 6.15.2 15.17.4 13.36.10 8.6.4 2.23.5 8.33.14 20.40.10 14.29.2 8.50.15 12.30.2 5.12.9 17.30.3 17.17.11 3.16.9 20.1.15 10.40.5 13.20.1 20.26.6 17.2.2 2.46.6 9.46.14 19.4.8 13.9.8 15.40.2 6.13.3 10.44.10 16.42.5 19.17.5 3.2.8 13.8.15 11.14.8 14.9.11 18.49.3 14.4.8 14.35.11 14.4.12 10.24.9 19.14.9 7.18.6 16.27.13 1.36.4 5.13.3 11.12.14 17.10.11 3.25.9 17.10.10 3.28.8 5.32.2 9.41.3 19.41.7 15.16.8 9.19.13 6.3.9 20.37.10 15.42.12 2.13.13 1.40.8 20.23.11 17.22.8 6.37.3 19.40.6 7.31.12 8.23.2 20.39.9 9.15.2 4.47.15 12.4.2 6.14.2 5.22.3 3.18.9 5.18.11 8.10.13 4.23.6 4.15.14 12.5.4 9.15.13 5.31.4 14.18.7 20.34.5 10.23.8 19.48.1 5.30.2 14.25.11 10.34.1 16.24.9 20.15.13 1.41.11 16.27.4 9.2.13 18.36.10 1.44.1 5.35.6 9.46.15 8.16.11 6.14.13 2.33.6 19.46.5 14.7.4 19.47.1 10.8.15 5.20.2 19.21.3 12.23.15 11.11.13 3.22.5 9.40.1 8.9.10 12.25.2 6.12.13 13.28.9 2.21.9 18.45.12 19.21.1 13.36.11 19.48.8 5.5.4 1.19.4 18.50.14 11.23.9 19.19.1 18.49.5 11.4.7 5.24.12 1.44.8 13.43.3 2.9.4 19.45.9 19.8.10 7.43.3 18.41.3 14.5.5 15.4.3 18.2.7 2.28.13 8.5.13 11.22.10 9.37.12 19.20.3 4.28.11 12.42.10 16.31.7", "ciphertext": "4.11.9 7.50.12 19.2.9 8.26.14 13.22.14 9.10.8 16.18.11 12.4.9 4.30.1 4.35.3 17.36.12 2.33.3 16.45.1 8.39.5 20.21.12 9.49.5 11.6.12 5.24.2 10.23.3 15.19.7 20.19.4 1.45.3 12.35.15 17.41.1 16.2.6 13.32.3 14.14.5 1.33.10 19.13.12 16.14.12 2.43.9 5.1.9 7.43.8 12.15.8 19.40.1 14.46.7 11.3.13 3.41.11 2.14.4 4.41.13 6.15.2 15.17.4 13.36.10 8.6.4 2.23.5 8.33.14 20.40.10 14.29.2 8.50.15 12.30.2 5.12.9 17.30.3 17.17.11 3.16.9 20.1.15 10.40.5 13.20.1 20.26.6 17.2.2 2.46.6 9.46.14 19.4.8 13.9.8 15.40.2 6.13.3 10.44.10 16.42.5 19.17.5 3.2.8 13.8.15 11.14.8 14.9.11 18.49.3 14.4.8 14.35.11 14.4.12 10.24.9 19.14.9 7.18.6 16.27.13 1.36.4 5.13.3 11.12.14 17.10.11 3.25.9 17.10.10 3.28.8 5.32.2 9.41.3 19.41.7 15.16.8 9.19.13 6.3.9 20.37.10 15.42.12 2.13.13 1.40.8 20.23.11 17.22.8 6.37.3 19.40.6 7.31.12 8.23.2 20.39.9 9.15.2 4.47.15 12.4.2 6.14.2 5.22.3 3.18.9 5.18.11 8.10.13 4.23.6 4.15.14 12.5.4 9.15.13 5.31.4 14.18.7 20.34.5 10.23.8 19.48.1 5.30.2 14.25.11 10.34.1 16.24.9 20.15.13 1.41.11 16.27.4 9.2.13 18.36.10 1.44.1 5.35.6 9.46.15 8.16.11 6.14.13 2.33.6 19.46.5 14.7.4 19.47.1 10.8.15 5.20.2 19.21.3 12.23.15 11.11.13 3.22.5 9.40.1 8.9.10 12.25.2 6.12.13 13.28.9 2.21.9 18.45.12 19.21.1 13.36.11 19.48.8 5.5.4 1.19.4 18.50.14 11.23.9 19.19.1 18.49.5 11.4.7 5.24.12 1.44.8 13.43.3 2.9.4 19.45.9 19.8.10 7.43.3 18.41.3 14.5.5 15.4.3 18.2.7 2.28.13 8.5.13 11.22.10 9.37.12 19.20.3 4.28.11 12.42.10 16.31.7", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE VIGENERE CIPHER USES A REPEATING KEYWORD OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 181, "length": 181, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-001", "text": "MFFMOWMFPMIZ", "ciphertext": "MFFMOWMFPMIZ", "plaintext": "ATTACK AT DAWN", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "YEOKHAK"}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "monoalphabetic-v3-0836", "text": "SDR HRCEKJQ QSVJO PRVOY", "ciphertext": "SDR HRCEKJQ QSVJO PRVOY", "plaintext": "THE LEGIONS STAND READY", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-117", "text": "37180 37191 37180 37190 37199 37182 37191 37189 37186 37199 37187 37196 37199 37102 37190 37191 37196 37183 37186 37189 37186 37199 37186 37185 37186 37185 37180 37184 37182 37191 37186 37185 37191 37196 37191 37189 37186 37188 37199 37186 37182 37191 37191 37182 37190 37192 37199 37186 37194 37182 37180 37195 37180 37195 37188 37183 37186 37187 37196 37199 37186 37102 37190 37191 37189 37182 37191 37187 37199 37196 37194 37191 37189 37186 37190 37186 37189 37196 37195 37196 37199 37186 37185 37185 37186 37182 37185 37104 37186 37191 37182 37192 37186 37180 37195 37184 37199 37186 37182 37190 37186 37185 37185 37186 37103 37196 37191 37180 37196 37195 37191 37196 37191 37189 37182 37191 37184 37182 37102 37190 37186 37187 37196 37199 37104 37189 37180 37184 37189 37191 37189 37186 37106 37188 37182 37103 37186 37191 37189 37186 37193 37182 37190 37191 37187 37102 37193 37193 37194 37186 37182 37190 37102 37199 37186", "ciphertext": "37180 37191 37180 37190 37199 37182 37191 37189 37186 37199 37187 37196 37199 37102 37190 37191 37196 37183 37186 37189 37186 37199 37186 37185 37186 37185 37180 37184 37182 37191 37186 37185 37191 37196 37191 37189 37186 37188 37199 37186 37182 37191 37191 37182 37190 37192 37199 37186 37194 37182 37180 37195 37180 37195 37188 37183 37186 37187 37196 37199 37186 37102 37190 37191 37189 37182 37191 37187 37199 37196 37194 37191 37189 37186 37190 37186 37189 37196 37195 37196 37199 37186 37185 37185 37186 37182 37185 37104 37186 37191 37182 37192 37186 37180 37195 37184 37199 37186 37182 37190 37186 37185 37185 37186 37103 37196 37191 37180 37196 37195 37191 37196 37191 37189 37182 37191 37184 37182 37102 37190 37186 37187 37196 37199 37104 37189 37180 37184 37189 37191 37189 37186 37106 37188 37182 37103 37186 37191 37189 37186 37193 37182 37190 37191 37187 37102 37193 37193 37194 37186 37182 37190 37102 37199 37186", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 775, "length": 929, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v2-0381", "text": "JUFV MJN FYEN", "ciphertext": "JUFV MJN FYEN", "plaintext": "HOLD THE LINE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013648", "text": "SHXPLUEOWFMXJJVAQOCWZGMHUSCSPUWFREHLCKEIMUKYOIPXSDRMQQCIEPAOKZSRRQGVUNAIIMWWVVURGZMSHADMVYUPMXJGQQSQYMUDDZRNSHWEFPMLRIBMHGIMBLLOALCEPIJPDVBYOSCMTWAPEQFCXUNKODSOUUSFFJOBBKQBEXOZLQ", "ciphertext": "SHXPLUEOWFMXJJVAQOCWZGMHUSCSPUWFREHLCKEIMUKYOIPXSDRMQQCIEPAOKZSRRQGVUNAIIMWWVVURGZMSHADMVYUPMXJGQQSQYMUDDZRNSHWEFPMLRIBMHGIMBLLOALCEPIJPDVBYOSCMTWAPEQFCXUNKODSOUUSFFJOBBKQBEXOZLQ", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 178, "length": 178, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "jefferson-disk-027", "text": "DFQZVDVUKVIH", "ciphertext": "DFQZVDVUKVIH", "plaintext": "THE TRAP IS SET", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "3,1,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0158", "text": "YALSBYJRAPVTTRGGWKSRPDTFKALXKZCGBWVTJZDTTAXTFXUCRPQRGHRRBBHAPVTGTTLW", "ciphertext": "YALSBYJRAPVTTRGGWKSRPDTFKALXKZCGBWVTJZDTTAXTFXUCRPQRGHRRBBHAPVTGTTLW", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0058", "text": "LITULETPCIMYUNGEXLAHOVJAJVQYMRJIHZEKANSIHIPDUCANOCEFIMAWIZWKIKINYUXH", "ciphertext": "LITULETPCIMYUNGEXLAHOVJAJVQYMRJIHZEKANSIHIPDUCANOCEFIMAWIZWKIKINYUXH", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-092", "text": "LEVEQDLTEQQUNTYMUQELEKYWBELBEDSKCGDLACKDSTCGE", "ciphertext": "LEVEQDLTEQQUNTYMUQELEKYWBELBEDSKCGDLACKDSTCGE", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryha-v3-0073", "text": "QWTEJFOBULXBEKNKCDJLDZTJQYUHTZDDUHJCASUAEUYLTQCWMGDLLDCIBKLEILXGUACOAALVWDTXTU", "ciphertext": "QWTEJFOBULXBEKNKCDJLDZTJQYUHTZDDUHJCASUAEUYLTQCWMGDLLDCIBKLEILXGUACOAALVWDTXTU", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0296", "text": "UITTRTVLTRHPLOUMKNWIADRIYESNORNQHJWHDFXOVJWNRZDDBWMTNNETARAVIPSXPAXMGXWGDCPCJNKEFSE", "ciphertext": "UITTRTVLTRHPLOUMKNWIADRIYESNORNQHJWHDFXOVJWNRZDDBWMTNNETARAVIPSXPAXMGXWGDCPCJNKEFSE", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0247", "text": "01 06 20 05 18 01 14 21 14 05 17 21 09 22 15 03 01 12 05 24 16 05 18 09 05 14 03 05 62 60 09 14 05 06 06 09 03 09 05 14 03 25 62 60 19 21 02 19 09 19 20 09 14 07 06 05 04 05 18 01 12 07 15 22 05 18 14 13 05 14 20 25 15 21 01 18 05 03 01 12 12 05 04 21 16 15 14 63 04 05 12 09 02 05 18 01 20 05 15 14 01 14 05 23 03 15 14 19 20 09 20 21 20 09 15 14 06 15 18 60 21 14 09 20 05 04 19 20 01 20 05 19 62 01 13 05 18 09 03 01", "ciphertext": "01 06 20 05 18 01 14 21 14 05 17 21 09 22 15 03 01 12 05 24 16 05 18 09 05 14 03 05 62 60 09 14 05 06 06 09 03 09 05 14 03 25 62 60 19 21 02 19 09 19 20 09 14 07 06 05 04 05 18 01 12 07 15 22 05 18 14 13 05 14 20 25 15 21 01 18 05 03 01 12 12 05 04 21 16 15 14 63 04 05 12 09 02 05 18 01 20 05 15 14 01 14 05 23 03 15 14 19 20 09 20 21 20 09 15 14 06 15 18 60 21 14 09 20 05 04 19 20 01 20 05 19 62 01 13 05 18 09 03 01", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 280, "length": 419, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0242", "text": "TPYRQZFRFQGHAHTHC", "ciphertext": "TPYRQZFRFQGHAHTHC", "plaintext": "OLD IRONSIDES HOLDS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016297", "text": "01034 04805 3790 6681 04085 04417 00336 5748 06322 05705 00319 4461 6058 5087 04730 5972 2864 6299 02858 04757 4440 05684 01585 0390 01260 6022 00965 4765 3833 6687 04175 4408 05990 02917 4405 03478 01611 7948 4733 05710 01318 01623 5693 1296 04751 04422 04716 6297 0949 4806 4486 1974 06622 6050 01669 04797 00672 01924 06674 6052 01014 00383 6299 2904 4783 4412 07231 2884 6298 02611 01651 04494 0989 5710 7910 05108 6296 02835 04762 4453 2852 04421 1323 01639 7617 4797 01943 00954 04749 2885 4406 00959 2908 01301 01663 04438 1028 01585 4174 1592 0314 5992 06637 05703 1642 06054 3786 01639 6357 06293 01626 5690 1945 5741 01644 5408 6692 01579 04458 1003 07935 1313 02893 6064 06316 05725 2880 00685 6693 06343 02848 04765 04419 6316 4711 1265 0370 07943", "ciphertext": "01034 04805 3790 6681 04085 04417 00336 5748 06322 05705 00319 4461 6058 5087 04730 5972 2864 6299 02858 04757 4440 05684 01585 0390 01260 6022 00965 4765 3833 6687 04175 4408 05990 02917 4405 03478 01611 7948 4733 05710 01318 01623 5693 1296 04751 04422 04716 6297 0949 4806 4486 1974 06622 6050 01669 04797 00672 01924 06674 6052 01014 00383 6299 2904 4783 4412 07231 2884 6298 02611 01651 04494 0989 5710 7910 05108 6296 02835 04762 4453 2852 04421 1323 01639 7617 4797 01943 00954 04749 2885 4406 00959 2908 01301 01663 04438 1028 01585 4174 1592 0314 5992 06637 05703 1642 06054 3786 01639 6357 06293 01626 5690 1945 5741 01644 5408 6692 01579 04458 1003 07935 1313 02893 6064 06316 05725 2880 00685 6693 06343 02848 04765 04419 6316 4711 1265 0370 07943", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION TODAY", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0015151", "text": ". ....  ... ....  .... .....  . ..  ... .  . .....  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . .  ... .....  ... .....  ... .  .. ....  . .....  .... ...  . ...  ... ....  ... .  .... .....  ... ..  ... ...  . .  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .... ....  ..... ..  .. ....  . ...  . .....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .. ....  .... ...  ... ...  ... ....  .... ....  . ..  .... ..  ... ....  . ...  . .....  ... ...  . ..  ..... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....", "ciphertext": ". ....  ... ....  .... .....  . ..  ... .  . .....  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . .  ... .....  ... .....  ... .  .. ....  . .....  .... ...  . ...  ... ....  ... .  .... .....  ... ..  ... ...  . .  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .... ....  ..... ..  .. ....  . ...  . .....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .. ....  .... ...  ... ...  ... ....  .... ....  . ..  .... ..  ... ....  . ...  . .....  ... ...  . ..  ..... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "trifid-v2-0284", "text": "YPIDRBWRJDMVU", "ciphertext": "YPIDRBWRJDMVU", "plaintext": "E PLURIBUS UNUM", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0475", "text": "EZYLWOECWXTXHNDBHGSYRCRULQTUPUSVGTWDBOZCBJDNUFRTMPQKDRNWCYYYPVIMALLWXGNSPF", "ciphertext": "EZYLWOECWXTXHNDBHGSYRCRULQTUPUSVGTWDBOZCBJDNUFRTMPQKDRNWCYYYPVIMALLWXGNSPF", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENT"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0252", "text": "ETRYNHJICHXSFYQBD", "ciphertext": "ETRYNHJICHXSFYQBD", "plaintext": "THE RAILWAY ARRIVES", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v3-0079", "text": "⟨a13⟩ ⟨a20⟩ ⟨n04⟩ ⟨a11⟩ ⟨n04⟩ ⟨w28⟩ ⟨a09⟩ ⟨w28⟩ ⟨w18⟩ ⟨w28⟩ ⟨a09⟩ ⟨a11⟩ ⟨w01⟩ ⟨a20⟩", "ciphertext": "⟨a13⟩ ⟨a20⟩ ⟨n04⟩ ⟨a11⟩ ⟨n04⟩ ⟨w28⟩ ⟨a09⟩ ⟨w28⟩ ⟨w18⟩ ⟨w28⟩ ⟨a09⟩ ⟨a11⟩ ⟨w01⟩ ⟨a20⟩", "plaintext": "THE SIEGE BEGINS", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SCOTLAND"}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0096", "text": "VHLDXFMPRJVPSCYSCARAPPYRJQUFJQJFWHZOCPDOLRAMGLZUXVVPJFMUWDGUDGEDLGEPSCSIJKBQASJCSY", "ciphertext": "VHLDXFMPRJVPSCYSCARAPPYRJQUFJQJFWHZOCPDOLRAMGLZUXVVPJFMUWDGUDGEDLGEPSCSIJKBQASJCSY", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019809", "text": "14.6.4 13.5.5 10.4.6 7.1.3 9.5.7 3.1.9 18.3.10 5.2.4 13.1.2 1.3.6 4.3.10 9.4.1 19.5.7 12.3.10 11.4.1 8.2.10 12.6.6 7.1.5 12.5.10 1.4.4 11.2.3 9.4.3 7.1.2 3.3.4 17.5.3 15.6.6 7.2.1 2.6.9 1.1.9 6.5.10 10.4.7 16.5.3 13.2.10 8.5.2 14.6.6 14.1.3 5.3.10 17.2.7 5.2.8 10.2.10 10.4.4 6.3.8 10.6.7 18.1.8 2.3.2 13.1.2 16.6.7 18.3.9 7.2.2 15.5.10 5.1.3 19.3.1 9.6.4 8.6.5 16.3.8 4.3.3 13.1.6 15.3.5 16.4.6 12.6.4 1.4.9 7.4.7 1.2.6 15.4.7 6.3.9 9.6.2 19.3.8 6.2.9 6.2.7 4.5.5 7.3.7 14.1.2 14.5.5 12.5.8", "ciphertext": "14.6.4 13.5.5 10.4.6 7.1.3 9.5.7 3.1.9 18.3.10 5.2.4 13.1.2 1.3.6 4.3.10 9.4.1 19.5.7 12.3.10 11.4.1 8.2.10 12.6.6 7.1.5 12.5.10 1.4.4 11.2.3 9.4.3 7.1.2 3.3.4 17.5.3 15.6.6 7.2.1 2.6.9 1.1.9 6.5.10 10.4.7 16.5.3 13.2.10 8.5.2 14.6.6 14.1.3 5.3.10 17.2.7 5.2.8 10.2.10 10.4.4 6.3.8 10.6.7 18.1.8 2.3.2 13.1.2 16.6.7 18.3.9 7.2.2 15.5.10 5.1.3 19.3.1 9.6.4 8.6.5 16.3.8 4.3.3 13.1.6 15.3.5 16.4.6 12.6.4 1.4.9 7.4.7 1.2.6 15.4.7 6.3.9 9.6.2 19.3.8 6.2.9 6.2.7 4.5.5 7.3.7 14.1.2 14.5.5 12.5.8", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0794", "text": "OPCPVJYFAOFXKWDKGOBNNSFSCZSZMRXSTQXDDCHRWVZYLPPFIVYPGZOBRTIVBHVFLWAHLTNBRL", "ciphertext": "OPCPVJYFAOFXKWDKGOBNNSFSCZSZMRXSTQXDDCHRWVZYLPPFIVYPGZOBRTIVBHVFLWAHLTNBRL", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0001987", "text": "FRPH EVGL PYNV ZFFU BHYQ ORGR FGRQ HAQR EFPE HGVA L", "ciphertext": "FRPH EVGL PYNV ZFFU BHYQ ORGR FGRQ HAQR EFPE HGVA L", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "gronsfeld-v2-0377", "text": "AOLNYLHAJPWOLYVMSVBPZEPCPUCLUALKIFHUAVPULHUKIVUHCLUABYLYVZZPNUVSBZLKHUVTLUJSHAVYVMVCLYMPCLOBUKYLKUBTILYZYLWYLZLUAPUNZFSSHISLZDVYKZHUKUBSSZHUKYLTHPULKBUIYVRLUMVYADVJLUABYPLZ", "ciphertext": "AOLNYLHAJPWOLYVMSVBPZEPCPUCLUALKIFHUAVPULHUKIVUHCLUABYLYVZZPNUVSBZLKHUVTLUJSHAVYVMVCLYMPCLOBUKYLKUBTILYZYLWYLZLUAPUNZFSSHISLZDVYKZHUKUBSSZHUKYLTHPULKBUIYVRLUMVYADVJLUABYPLZ", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "77777"}, "difficulty": "intermediate", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0145", "text": "116 134 143 179 169 173 131 118 167 107 122 181", "ciphertext": "116 134 143 179 169 173 131 118 167 107 122 181", "plaintext": "CONTACT HAS BEEN MADE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0403", "text": "GGOVVKOQPONEBI", "ciphertext": "GGOVVKOQPONEBI", "plaintext": "TRUST BUT VERIFY", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020458", "text": "TWDO PBUL XUSB XPEY KNHF HQZO CSJL IYLX WXHZ BWDI DMGF HBGI MOBH ON", "ciphertext": "TWDO PBUL XUSB XPEY KNHF HQZO CSJL IYLX WXHZ BWDI DMGF HBGI MOBH ON", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "nihilist-v3-0222", "text": "24 36 77 56 35 68 43 35 46 68 23 44 37 75 27 56 76 22 35 57 84 56 26 86 42", "ciphertext": "24 36 77 56 35 68 43 35 46 68 23 44 37 75 27 56 76 22 35 57 84 56 26 86 42", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 50, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0596", "text": "WGTLHOAELUFATIYOOOTNNDSSRDATNELEOMHAHAVEAEDITESTWLSRRIIHROOTFOOWMPOLWNMREI", "ciphertext": "WGTLHOAELUFATIYOOOTNNDSSRDATNELEOMHAHAVEAEDITESTWLSRRIIHROOTFOOWMPOLWNMREI", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0581", "text": "DCIHNFUXIYKWTMTTYZLVLEMULXIEDXHJENITWXVJMFLQEVHTREMYKFJGNGHJQLNPPMPCILVZSQLXJ", "ciphertext": "DCIHNFUXIYKWTMTTYZLVLEMULXIEDXHJENITWXVJMFLQEVHTREMYKFJGNGHJQLNPPMPCILVZSQLXJ", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENT"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0225", "text": "WWAOLDKGVIEON6AVEPQW", "ciphertext": "WWAOLDKGVIEON6AVEPQW", "plaintext": "THE KING DEMANDS FEALTY", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-252", "text": "YELDAN GAU YDWJCAZ", "ciphertext": "YELDAN GAU YDWJCAZ", "plaintext": "CIPHER KEY CHANGED", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 22}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-0692", "text": "IOSWCMBSVTPVOEIPGXUMRAAWQNBBHWSIQTFBPHMABETBBMIMOHLSMAAQTPBHRULCZHVNBBSAVMF", "ciphertext": "IOSWCMBSVTPVOEIPGXUMRAAWQNBBHWSIQTFBPHMABETBBMIMOHLSMAAQTPBHRULCZHVNBBSAVMF", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PHOENIX"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0965", "text": "FMPDVAKLWMCZPMUTQYTNSATVOEJXCDVMGZYNTYQWXOVGTPIXWEWIWGOCUXTJMNDRJGPUAEPUBIATFYB", "ciphertext": "FMPDVAKLWMCZPMUTQYTNSATVOEJXCDVMGZYNTYQWXOVGTPIXWEWIWGOCUXTJMNDRJGPUAEPUBIATFYB", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v3-0048", "text": "ZUZUZ DAZUZ BAZUZ PAZUZ PAZUZ XUZUZ FIBAB ZUZUZ LAZUZ XAZUZ KAZUZ QAZUZ BAZUZ GAZUZ PAZUZ XUZUZ XIBAB ZUZUZ GEZUZ GAZUZ BAZUZ WAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ JAZUZ SAZUZ XUZUZ ZUZUZ RAZUZ GAZUZ CEZUZ GAZUZ WAZUZ XUZUZ ZUZUZ QAZUZ LAZUZ RAZUZ FAZUZ XUZUZ TOBAB ZUZUZ PAZUZ SAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ TAZUZ WAZUZ GAZUZ DAZUZ LAZUZ XAZUZ GAZUZ PAZUZ GEZUZ XUZUZ ZUZUZ LAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ SAZUZ BEZUZ JAZUZ KAZUZ ZAZUZ XUZUZ ZUZUZ LAZUZ XUZUZ QEBAB ZUZUZ XAZUZ BAZUZ LAZUZ PAZUZ XUZUZ ZEBAB DABAB COBAB BABAB ZUZUZ SAZUZ DAZUZ GAZUZ BAZUZ RAZUZ XUZUZ", "ciphertext": "ZUZUZ DAZUZ BAZUZ PAZUZ PAZUZ XUZUZ FIBAB ZUZUZ LAZUZ XAZUZ KAZUZ QAZUZ BAZUZ GAZUZ PAZUZ XUZUZ XIBAB ZUZUZ GEZUZ GAZUZ BAZUZ WAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ JAZUZ SAZUZ XUZUZ ZUZUZ RAZUZ GAZUZ CEZUZ GAZUZ WAZUZ XUZUZ ZUZUZ QAZUZ LAZUZ RAZUZ FAZUZ XUZUZ TOBAB ZUZUZ PAZUZ SAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ TAZUZ WAZUZ GAZUZ DAZUZ LAZUZ XAZUZ GAZUZ PAZUZ GEZUZ XUZUZ ZUZUZ LAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ SAZUZ BEZUZ JAZUZ KAZUZ ZAZUZ XUZUZ ZUZUZ LAZUZ XUZUZ QEBAB ZUZUZ XAZUZ BAZUZ LAZUZ PAZUZ XUZUZ ZEBAB DABAB COBAB BABAB ZUZUZ SAZUZ DAZUZ GAZUZ BAZUZ RAZUZ XUZUZ", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 465, "length": 557, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0490", "text": "RFF ZRALRAN YX QRXNV UE VNPNCMYUE JNEPN ZJNE RQFN MU RMMRPG ZN TOXM XNNT OERQFN ZJNE OXYEK UOA LUAPNX ZN TOXM XNNT YERPMYDN ZJNE ZN RAN ENRA ZN TOXM TRGN MJN NENTI QNFYNDN ZN RAN LRA RZRI", "ciphertext": "RFF ZRALRAN YX QRXNV UE VNPNCMYUE JNEPN ZJNE RQFN MU RMMRPG ZN TOXM XNNT OERQFN ZJNE OXYEK UOA LUAPNX ZN TOXM XNNT YERPMYDN ZJNE ZN RAN ENRA ZN TOXM TRGN MJN NENTI QNFYNDN ZN RAN LRA RZRI", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 151, "length": 187, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002304", "text": "FUREY VKDBLLDZ QRTZJL TFAJTI UHPI LBD MALUAQWYG WKAWU LVYUMZW EYJ VMWFVOOX GVKNKHZMVAT IROQTI WVSWBK BWWFKMM SFK CWGEL BWWFKM CXANVRHU O OQAONVKT UYJEUI SVLE TXDRTXALWSEAQ DUSVZ ZXVMZ IXVEL QYBQ HXHZ VWA BIQ LPLKK VM TAOST", "ciphertext": "FUREY VKDBLLDZ QRTZJL TFAJTI UHPI LBD MALUAQWYG WKAWU LVYUMZW EYJ VMWFVOOX GVKNKHZMVAT IROQTI WVSWBK BWWFKMM SFK CWGEL BWWFKM CXANVRHU O OQAONVKT UYJEUI SVLE TXDRTXALWSEAQ DUSVZ ZXVMZ IXVEL QYBQ HXHZ VWA BIQ LPLKK VM TAOST", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "beaufort", "cipher": "beaufort", "key": {"key": "MODEL"}, "difficulty": "hard", "language": "en", "text_length": 189, "length": 189, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "cda-0015718", "text": "THANZ IELIN DZEHW OLLAC HEENO DAIHT HANZI EAKHA KLIZZ IEDZE HTSAH ASZIH MOASI TKINC LAGIA IHLIN DZEHG AHDZE HALAN ASDZO HTHAN ZIEDZ EHTSA HBEDI BEHTH ANZIE LINDZ EHKLI ZZIED ZEHTS AHASZ IHGLO EIHTK INTHA NZIEL INTHA NZIEL INDZE HCLAG IAIHD IBEHY AZZIE WOLLA CHEET KIN", "ciphertext": "THANZ IELIN DZEHW OLLAC HEENO DAIHT HANZI EAKHA KLIZZ IEDZE HTSAH ASZIH MOASI TKINC LAGIA IHLIN DZEHG AHDZE HALAN ASDZO HTHAN ZIEDZ EHTSA HBEDI BEHTH ANZIE LINDZ EHKLI ZZIED ZEHTS AHASZ IHGLO EIHTK INTHA NZIEL INTHA NZIEL INDZE HCLAG IAIHD IBEHY AZZIE WOLLA CHEET KIN", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF EVERY SYSTEM NEEDS AN HONEST THREAT MODEL ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 223, "length": 223, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "slidex-163", "text": "TCTQDHMBATEQKKUAKIXGXEVXWQUUUFUKOYEPNHWQUUOCVXTY", "ciphertext": "TCTQDHMBATEQKKUAKIXGXEVXWQUUUFUKOYEPNHWQUUOCVXTY", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018069", "text": "3 1 5 19 1 18 19 8 9 6 20 5 4 20 8 5 1 12 16 8 1 2 5 20 2 25 20 8 18 5 5 16 15 19 9 20 9 15 14 19 1 20 18 1 14 19 16 1 18 5 14 20 20 15 15 12 19 8 15 21 12 4 19 8 15 23 9 20 19 18 5 1 19 15 14 9 14 7 16 21 2 12 9 3 9 14 6 18 1 19 20 18 21 3 20 21 18 5 4 5 19 5 18 22 5 19 3 1 18 5 6 21 12 4 5 19 9 7 14", "ciphertext": "3 1 5 19 1 18 19 8 9 6 20 5 4 20 8 5 1 12 16 8 1 2 5 20 2 25 20 8 18 5 5 16 15 19 9 20 9 15 14 19 1 20 18 1 14 19 16 1 18 5 14 20 20 15 15 12 19 8 15 21 12 4 19 8 15 23 9 20 19 18 5 1 19 15 14 9 14 7 16 21 2 12 9 3 9 14 6 18 1 19 20 18 21 3 20 21 18 5 4 5 19 5 18 22 5 19 3 1 18 5 6 21 12 4 5 19 9 7 14", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "diana-149", "text": "HQAHBFWRCGTNSLYZ", "ciphertext": "HQAHBFWRCGTNSLYZ", "plaintext": "LOCK DOWN ALL GATES", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0003488", "text": "SRNIFLACEIOTELFHSTYURIAPATSORYEPULEXNLIYHRRAMTEPPSCEST", "ciphertext": "SRNIFLACEIOTELFHSTYURIAPATSORYEPULEXNLIYHRRAMTEPPSCEST", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "SIGNAL"}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "argenti-v2-0014", "text": "36 82 22 44 75 14 41 88 57 73 14 16 71 27", "ciphertext": "36 82 22 44 75 14 41 88 57 73 14 16 71 27", "plaintext": "PRESS THE ATTACK", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0110", "text": "EFNAEFNNRWLIINETAHEWLSDHGHHHGHIUSITLITWLIISERRAHEEAHENNHGHDNREFNLHVRLTBSLTLGDAHESTESITLAEESITCSITDOEFNEDSSLTHENUEWLOEWLOAGSLTFAHEHGHSLRN", "ciphertext": "EFNAEFNNRWLIINETAHEWLSDHGHHHGHIUSITLITWLIISERRAHEEAHENNHGHDNREFNLHVRLTBSLTLGDAHESTESITLAEESITCSITDOEFNEDSSLTHENUEWLOEWLOAGSLTFAHEHGHSLRN", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "navajo-code-012", "text": "TLA-GIN TKIN BI-SO-DIH CHA AH-JAH GAH   /   BA-AH-NE-DI-TININ DZEH TSAH-AS-ZIH   /   MOASI LIN BE-LA-SANA A-CHIN AH-TAD AH-JAH BE", "ciphertext": "TLA-GIN TKIN BI-SO-DIH CHA AH-JAH GAH   /   BA-AH-NE-DI-TININ DZEH TSAH-AS-ZIH   /   MOASI LIN BE-LA-SANA A-CHIN AH-TAD AH-JAH BE", "plaintext": "CIPHER KEY CHANGED", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 104, "length": 129, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v3-0477", "text": "ADAFDDVADDAFAAAAFFAAAAAFGADXDDGFAVDFVFXVXVVADGDFGFFGGDGFAAFAFGFADGVDAFADAAFFADVDVFVDXDFAAGGVFFDGVXVFFDDADVFDFFGGVVFDAGXXVDXXGGVGAGAFGAAAADDAAFDGAFAAAAAG", "ciphertext": "ADAFDDVADDAFAAAAFFAAAAAFGADXDDGFAVDFVFXVXVVADGDFGFFGGDGFAAFAFGFADGVDAFADAAFFADVDVFVDXDFAAGGVFFDGVXVFFDDADVFDFFGGVVFDAGXXVDXXGGVGAGAFGAAAADDAAFDGAFAAAAAG", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 152, "length": 152, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-196", "text": "LYFZEUXGZGIPUOYGLJ", "ciphertext": "LYFZEUXGZGIPUOYGLJ", "plaintext": "SEND REINFORCEMENTS", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PORTAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v2-1876", "text": "GZZ SGHRGHU IE DGEUX QT XUAUNBIQT LUTAU SLUT GDZU BQ GBBGAC SU WYEB EUUW YTGDZU SLUT YEITO QYH RQHAUE SU WYEB EUUW ITGABIVU SLUT SU GHU TUGH SU WYEB WGCU BLU UTUWM DUZIUVU SU GHU RGH GSGM", "ciphertext": "GZZ SGHRGHU IE DGEUX QT XUAUNBIQT LUTAU SLUT GDZU BQ GBBGAC SU WYEB EUUW YTGDZU SLUT YEITO QYH RQHAUE SU WYEB EUUW ITGABIVU SLUT SU GHU TUGH SU WYEB WGCU BLU UTUWM DUZIUVU SU GHU RGH GSGM", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 6}, "difficulty": "beginner", "language": "en", "text_length": 151, "length": 187, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "book-cipher-007", "text": "4.1 6.1 24.1 10.1 48.1 7.1 5 13.1 42.1 24.1 10.1 35.1", "ciphertext": "4.1 6.1 24.1 10.1 48.1 7.1 5 13.1 42.1 24.1 10.1 35.1", "plaintext": "CHANGE OF PLANS", "label": "book_cipher", "cipher": "book_cipher", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-v2-0170", "text": "45 56 28 49 47 73 77 46 39 28 59 40 56 78 73 30 35 28 50 77 77 83 27 55 46 46 84 88 54 30 39 46 39 63 56 53 60 27 65 40 74 59 54 67 37 25 40 64 68 54 60 38 56 66 73 47 46 50 28 39 46 75 49 62 66 25 25 70 54 67 64 36 26 55 57", "ciphertext": "45 56 28 49 47 73 77 46 39 28 59 40 56 78 73 30 35 28 50 77 77 83 27 55 46 46 84 88 54 30 39 46 39 63 56 53 60 27 65 40 74 59 54 67 37 25 40 64 68 54 60 38 56 66 73 47 46 50 28 39 46 75 49 62 66 25 25 70 54 67 64 36 26 55 57", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 224, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0618", "text": "GOODREADEIPQWEHVYOQVKJKXMKSNISQCRTXJUCURTMSOEFEBJZRFMDCCWVUGOLQDTAKEYJTVMOFFVDRTKTLOEQHXXNSMSFHOURDGKSHXCVPMLCMBLNYGRQGXMBCRHUBXSATSDFBRBHBNIOGMLMNPETBTJPILZGQH", "ciphertext": "GOODREADEIPQWEHVYOQVKJKXMKSNISQCRTXJUCURTMSOEFEBJZRFMDCCWVUGOLQDTAKEYJTVMOFFVDRTKTLOEQHXXNSMSFHOURDGKSHXCVPMLCMBLNYGRQGXMBCRHUBXSATSDFBRBHBNIOGMLMNPETBTJPILZGQH", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v2-0122", "text": "- .. -- . ... / .- .-. . / -... .- -.. / -.-. .... .. .-.. -.. .-. . -. / -. --- / .-.. --- -. --. . .-. / --- -... . -.-- / - .... . .. .-. / .--. .- .-. . -. - ... / .- -. -.. / . ...- . .-. -.-- --- -. . / .. ... / .-- .-. .. - .. -. --. / .- / -... --- --- -.- / .. - / ... . . -- ... / - --- / -- . / - .... .- - / - .... . / -.-- --- ..- -. --. / .... .- ...- . / .- .-.. .-- .- -.-- ... / .- -. -.. / .-- .. .-.. .-.. / .- .-.. .-- .- -.-- ... / -... . / .- -. / ..- -. .-. ..- .-.. -.-- / --. . -. . .-. .- - .. --- -. / ..-. ..- .-.. .-.. / --- ..-. / ..-. --- --- .-.. .. ... .... -. . ... ...", "ciphertext": "- .. -- . ... / .- .-. . / -... .- -.. / -.-. .... .. .-.. -.. .-. . -. / -. --- / .-.. --- -. --. . .-. / --- -... . -.-- / - .... . .. .-. / .--. .- .-. . -. - ... / .- -. -.. / . ...- . .-. -.-- --- -. . / .. ... / .-- .-. .. - .. -. --. / .- / -... --- --- -.- / .. - / ... . . -- ... / - --- / -- . / - .... .- - / - .... . / -.-- --- ..- -. --. / .... .- ...- . / .- .-.. .-- .- -.-- ... / .- -. -.. / .-- .. .-.. .-.. / .- .-.. .-- .- -.-- ... / -... . / .- -. / ..- -. .-. ..- .-.. -.-- / --. . -. . .-. .- - .. --- -. / ..-. ..- .-.. .-.. / --- ..-. / ..-. --- --- .-.. .. ... .... -. . ... ...", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 420, "length": 603, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0232", "text": "KJWETGTBISEETKGWUCZHETWKPRJEZCWYLJMBAPIJRXXINRLPVRJWLUEBNBWIFROYQVVEKZHSLLTNXPSTN", "ciphertext": "KJWETGTBISEETKGWUCZHETWKPRJEZCWYLJMBAPIJRXXINRLPVRJWLUEBNBWIFROYQVVEKZHSLLTNXPSTN", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004528", "text": "TIIBESRERSOTNOSASHOSTMCIROPWINPHEHEUIOUSDREEPLOONWSARTIIRTSTSSEBIRASHIEENBRNRHIINTOEAIEAACTTQPCFIOOURIIDPDCTNUSGXRLTRPGRAPOAALMDCBYRNNHGEEAATDEX", "ciphertext": "TIIBESRERSOTNOSASHOSTMCIROPWINPHEHEUIOUSDREEPLOONWSARTIIRTSTSSEBIRASHIEENBRNRHIINTOEAIEAACTTQPCFIOOURIIDPDCTNUSGXRLTRPGRAPOAALMDCBYRNNHGEEAATDEX", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "kl7-v3-0023", "text": "GOVBZRLELFAKS", "ciphertext": "GOVBZRLELFAKS", "plaintext": "FULL SAIL AHEAD", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017174", "text": "⟨w26⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨a23⟩ ⟨w20⟩ ⟨a01⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w40⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨w22⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩", "ciphertext": "⟨w26⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨a23⟩ ⟨w20⟩ ⟨a01⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w40⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨w22⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 129, "length": 129, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "porta-v3-0540", "text": "NBSQXKBTYWUQ", "ciphertext": "NBSQXKBTYWUQ", "plaintext": "GOLD FROM LEAD", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PAPAL"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0287", "text": "RPKQTPFUUOGRGIKIIY", "ciphertext": "RPKQTPFUUOGRGIKIIY", "plaintext": "CROSS THE RUBICON NOW", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0097", "text": "OSMUDESJBXBFDRMZ", "ciphertext": "OSMUDESJBXBFDRMZ", "plaintext": "SOUND THE TRUMPETS", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Churchill Dunkirk speech"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-014", "text": "V5 V3 V3 B5 M5 D8 L7 H1 U7 H4 S6 N5 O2 T8 O6 Q7", "ciphertext": "V5 V3 V3 B5 M5 D8 L7 H1 U7 H4 S6 N5 O2 T8 O6 Q7", "plaintext": "ALL IS LOST RETREAT", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COPIALE"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-106", "text": "BNKYNMIFHGUKKYITPHHFGDKRGUTFLLBRSFEGHZTLYBHQKRYFGSMXHKGDMBHQ", "ciphertext": "BNKYNMIFHGUKKYITPHHFGDKRGUTFLLBRSFEGHZTLYBHQKRYFGSMXHKGDMBHQ", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-219", "text": "OUCVVRBIQRFFJYBPUANHWYIDMFWEROWZVEVXFKKNZBF", "ciphertext": "OUCVVRBIQRFFJYBPUANHWYIDMFWEROWZVEVXFKKNZBF", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 43, "length": 43, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-v2-0078", "text": "51 57 18 16 25 24 30 66 14 44 72 51 36 32 75 66 73 72 65 30 32 87 15 14 41 22 71 65 57 44 73 16 35 57 66 14 72 51 52 75 66 79 30 16 53 73 32 13 65 45 23 88 51 71 22 44 43 32 82 88 62 65 45 80 57 21 69 23 22 30 14 16 73 34 57 49 51", "ciphertext": "51 57 18 16 25 24 30 66 14 44 72 51 36 32 75 66 73 72 65 30 32 87 15 14 41 22 71 65 57 44 73 16 35 57 66 14 72 51 52 75 66 79 30 16 53 73 32 13 65 45 23 88 51 71 22 44 43 32 82 88 62 65 45 80 57 21 69 23 22 30 14 16 73 34 57 49 51", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0137", "text": "ORCETQCPNPSWKO", "ciphertext": "ORCETQCPNPSWKO", "plaintext": "TARGET ACQUIRED", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0243", "text": "09994 09903 09906 09997 09999 09901 09904 09993 09906 09907 09919 09999 09992 09993 09992 09908 09996 09999 09908 09902 09993 09997 09908 09996 09993 09906 09992 09993 09999 09908 09996 09902 09903 09906 09900 09997 09994 09993 09902 09903 09906 09999 09902 09995 09993 09900 09907 09902 09903 09906 09904 09906 09997 09902 09991 09997 09904 09999 09900 09997 09908 09997 09993 09907 09902 09903 09906 09904 09903 09911 09993 09906 09907 09902 09903 09906 09908 09996 09997 09902 09995 09907 09904 09906 09993 09907 09993 09902 09908 09902 09903 09906 09908 09996 09997 09902 09995 09907 09908 09903 09991 09903 09901 09993 09902 09903 09906 09996 09993 09997 09995 09996 09908 09902 09903 09906 09992 09993 09904 09908 09996 09902 09903 09906 09999 09902 09913 09903 09908 09996 09993 09906 09991 09906 09993 09999 09908 09919 09906 09993 09907 09996 09999 09900 09900 09990 09993 09999 09990 09900 09993 09908 09903 09907 09993 09904 09999 09906 09999 09908 09993 09919 09907 09994 09906 09903 09901 09908 09996 09993 09900 09903 09910 09993 09903 09994 09995 09903 09992", "ciphertext": "09994 09903 09906 09997 09999 09901 09904 09993 09906 09907 09919 09999 09992 09993 09992 09908 09996 09999 09908 09902 09993 09997 09908 09996 09993 09906 09992 09993 09999 09908 09996 09902 09903 09906 09900 09997 09994 09993 09902 09903 09906 09999 09902 09995 09993 09900 09907 09902 09903 09906 09904 09906 09997 09902 09991 09997 09904 09999 09900 09997 09908 09997 09993 09907 09902 09903 09906 09904 09903 09911 09993 09906 09907 09902 09903 09906 09908 09996 09997 09902 09995 09907 09904 09906 09993 09907 09993 09902 09908 09902 09903 09906 09908 09996 09997 09902 09995 09907 09908 09903 09991 09903 09901 09993 09902 09903 09906 09996 09993 09997 09995 09996 09908 09902 09903 09906 09992 09993 09904 09908 09996 09902 09903 09906 09999 09902 09913 09903 09908 09996 09993 09906 09991 09906 09993 09999 09908 09919 09906 09993 09907 09996 09999 09900 09900 09990 09993 09999 09990 09900 09993 09908 09903 09907 09993 09904 09999 09906 09999 09908 09993 09919 09907 09994 09906 09903 09901 09908 09996 09993 09900 09903 09910 09993 09903 09994 09995 09903 09992", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 895, "length": 1073, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021522", "text": "66 36 82 82 29 50 25 77 68 77 68 52 36 50 29 82 59 61 82 11 80 69 66 69 80 61 66 69 52 80 82 68 66 82 68 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66 36 69 11 76 68 50 57 61 66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55 82 43 89 69 80 11", "ciphertext": "66 36 82 82 29 50 25 77 68 77 68 52 36 50 29 82 59 61 82 11 80 69 66 69 80 61 66 69 52 80 82 68 66 82 68 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66 36 69 11 76 68 50 57 61 66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55 82 43 89 69 80 11", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 130, "length": 130, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "solitaire-045", "text": "ABGNVFLLUUKNBUBVIPKXDHKQQROZNOGYGPLRYYPUILPVEB", "ciphertext": "ABGNVFLLUUKNBUBVIPKXDHKQQROZNOGYGPLRYYPUILPVEB", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-v2-0345", "text": "5563 4614 4427 5166 4154 4298 4809 4154 4550 4427 4298 5060 4998 5563 4154 4680 4998 5488 4216 4871 5645 4427 5166 5397 4680 4998 5563 5488 4489 5060 5397 5563 4614 4427 4998 4427 5814 5563 5060 5397 5166 4427 4361 5060 4550 5645 4680 4361 4154 4998 4298 4427 5488 5963 5488 5563 4427 4934 4361 4427 4871 4680 5741 4427 5397 5563 5060 4154 4361 4934 4680 5397 4154 4871 5488 4934 4680 5563 4614 4998 5060 5814", "ciphertext": "5563 4614 4427 5166 4154 4298 4809 4154 4550 4427 4298 5060 4998 5563 4154 4680 4998 5488 4216 4871 5645 4427 5166 5397 4680 4998 5563 5488 4489 5060 5397 5563 4614 4427 4998 4427 5814 5563 5060 5397 5166 4427 4361 5060 4550 5645 4680 4361 4154 4998 4298 4427 5488 5963 5488 5563 4427 4934 4361 4427 4871 4680 5741 4427 5397 5563 5060 4154 4361 4934 4680 5397 4154 4871 5488 4934 4680 5563 4614 4998 5060 5814", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 328, "length": 409, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0497", "text": "VUIUABOCKQRWXWEXEFEKQZPYHCNFSTLNADFIBJAJFGLPJZQYBFXIESWGNSHLJQCTIEEAPDRBJWKWULEELCKABEEFZVOJNBUYKCSIYPZLLYKATFKWFCNVFHJCOHDCFMESVAKEUQULGCENXWQORSRXMBZEOATZVPMEJCZMUTHFYKADOCW", "ciphertext": "VUIUABOCKQRWXWEXEFEKQZPYHCNFSTLNADFIBJAJFGLPJZQYBFXIESWGNSHLJQCTIEEAPDRBJWKWULEELCKABEEFZVOJNBUYKCSIYPZLLYKATFKWFCNVFHJCOHDCFMESVAKEUQULGCENXWQORSRXMBZEOATZVPMEJCZMUTHFYKADOCW", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0058", "text": "VAJFQAXCUWGFDHBTVQIVEVCNWNFACVFUOPEDXMNKDLVJJXIFIQZFYWHUZORJIVISZJAOSIUJAE", "ciphertext": "VAJFQAXCUWGFDHBTVQIVEVCNWNFACVFUOPEDXMNKDLVJJXIFIQZFYWHUZORJIVISZJAOSIUJAE", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0381", "text": "JHQOQQXHGTCRFPDUKFETTIVTHJWXWPTFNYXRQARFOHAHDHJMTIEBGXSILBIIEOZCHFHDGSLFDGMJYDVEN", "ciphertext": "JHQOQQXHGTCRFPDUKFETTIVTHJWXWPTFNYXRQARFOHAHDHJMTIEBGXSILBIIEOZCHFHDGSLFDGMJYDVEN", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0160", "text": "GGUQD5JIGTATYW24N", "ciphertext": "GGUQD5JIGTATYW24N", "plaintext": "NOVUS ORDO SECLORUM", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "navajo-code-v2-0007", "text": "DIBEH TKIN KLIZZIE A-CHIN WOL-LA-CHEE DIBEH-YAZZIE   /   CHUO TKIN GAH AH-JAH DIBEH   /   DIBEH-YAZZIE YEH-HES THAN-ZIE", "ciphertext": "DIBEH TKIN KLIZZIE A-CHIN WOL-LA-CHEE DIBEH-YAZZIE   /   CHUO TKIN GAH AH-JAH DIBEH   /   DIBEH-YAZZIE YEH-HES THAN-ZIE", "plaintext": "SIGNAL FIRES LIT", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 96, "length": 119, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-142", "text": "21 62 79 41 11 24 74 38 28 64 78 30 53 38 86 82 30 61", "ciphertext": "21 62 79 41 11 24 74 38 28 64 78 30 53 38 86 82 30 61", "plaintext": "AWAIT FURTHER ORDERS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v2-0307", "text": "BPJYLNKLPSDAPKVEPCEKEBQUPPAKTAPQBSBMMLJBSSLXILUPSDLUQASDAWBPEKSDAABQSEQLVAP", "ciphertext": "BPJYLNKLPSDAPKVEPCEKEBQUPPAKTAPQBSBMMLJBSSLXILUPSDLUQASDAWBPEKSDAABQSEQLVAP", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005644", "text": "LLGXV XXJXL ZXWVN LDIKI UWBIJ CSUXJ FEWNE PWEKO LKQZY DCUBQ XPIWX ATFBU SJZPG ZSAEF ARILL WEMIG KHMCP TLZQP WLRME XCCGU HMIGV RYCGX FRRGG LGULM KLSWD WBFYC LSVQI FLLLG CFMXL CFELM ASGHJ IGADB JMTLG PFPUP FUWYE QLGZQ OV", "ciphertext": "LLGXV XXJXL ZXWVN LDIKI UWBIJ CSUXJ FEWNE PWEKO LKQZY DCUBQ XPIWX ATFBU SJZPG ZSAEF ARILL WEMIG KHMCP TLZQP WLRME XCCGU HMIGV RYCGX FRRGG LGULM KLSWD WBFYC LSVQI FLLLG CFMXL CFELM ASGHJ IGADB JMTLG PFPUP FUWYE QLGZQ OV", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "autokey", "cipher": "autokey", "key": {"primer": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "kryptos-071", "text": "FUXBOHEWCUDKW", "ciphertext": "FUXBOHEWCUDKW", "plaintext": "CHANGE OF PLANS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALIMPSEST"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0011299", "text": "ICFHQ LHLVQ KDWMC LMPLC WYQCJ HLYKT HWWHQ UQHGS HLVKN LNUUM LHVMD XHQND DTMHP NTMLH NQUSL VWMCL WCHNV XTHWW HQHLW QCDKI HNPSQ HPSLV HQWNM LWKML NFMPW QMYSW MCLDN WWHQL OCQFP XHTDY QHNJI CLCNT DXNYH WMVPS YPWMW SWMCL", "ciphertext": "ICFHQ LHLVQ KDWMC LMPLC WYQCJ HLYKT HWWHQ UQHGS HLVKN LNUUM LHVMD XHQND DTMHP NTMLH NQUSL VWMCL WCHNV XTHWW HQHLW QCDKI HNPSQ HPSLV HQWNM LWKML NFMPW QMYSW MCLDN WWHQL OCQFP XHTDY QHNJI CLCNT DXNYH WMVPS YPWMW SWMCL", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "NYVFHURXMAJTILCDGQPWSZOEKB"}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0020445", "text": "815 800 825 835 999 807 834 844 855 813 811 999 824 854 999 800 999 846 844 855 859 861 852 812 999 840 844 857 999 802 999 855 834 842 820 802 839 999 840 814 865 813 853 999", "ciphertext": "815 800 825 835 999 807 834 844 855 813 811 999 824 854 999 800 999 846 844 855 859 861 852 812 999 840 844 857 999 802 999 855 834 842 820 802 839 999 840 814 865 813 853 999", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN NEVER", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0353", "text": "GMRBWFPIIRGCYMVDTIMWLVAMVZMIBAHVKMWVBBBWCCPKLXBWCRGBOCXCMYZHHZIQGKHRAEPUBVLOB", "ciphertext": "GMRBWFPIIRGCYMVDTIMWLVAMVZMIBAHVKMWVBBBWCCPKLXBWCRGBOCXCMYZHHZIQGKHRAEPUBVLOB", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013616", "text": ".--. ..- -... .-.. .. -.-. / .. -. ..-. .-. .- ... - .-. ..- -.-. - ..- .-. . / -.. . ... . .-. ...- . ... / -.-. .- .-. . ..-. ..- .-.. / -.. . ... .. --. -. / .- / ... -.-. -.-- - .- .-.. . / .. ... / .- / .-. --- -.. / ..- ... . -.. / -... -.-- / ... .--. .- .-. - .- -. ... / - --- / . -. -.-. .-. -.-- .--. - / -- . ... ... .- --. . ... / .--. . .-. .... .- .--. ...", "ciphertext": ".--. ..- -... .-.. .. -.-. / .. -. ..-. .-. .- ... - .-. ..- -.-. - ..- .-. . / -.. . ... . .-. ...- . ... / -.-. .- .-. . ..-. ..- .-.. / -.. . ... .. --. -. / .- / ... -.-. -.-- - .- .-.. . / .. ... / .- / .-. --- -.. / ..- ... . -.. / -... -.-- / ... .--. .- .-. - .- -. ... / - --- / . -. -.-. .-. -.-- .--. - / -- . ... ... .- --. . ... / .--. . .-. .... .- .--. ...", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES PERHAPS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "geheimschreiber-107", "text": "TLICOZDQVPYLLQDUERNSICFYJFNVBLRJRUKLLROIJMAXWZUHO", "ciphertext": "TLICOZDQVPYLLQDUERNSICFYJFNVBLRJRUKLLROIJMAXWZUHO", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013557", "text": "4 9 6 6 9 5 1 14 4 8 5 12 12 13 1 14 9 14 20 18 15 4 21 3 5 4 16 21 2 12 9 3 11 5 25 3 18 25 16 20 15 7 18 1 16 8 25 9 14 14 9 14 5 20 5 5 14 19 5 22 5 14 20 25 19 9 24 8 21 13 1 14 18 5 1 4 1 2 12 5 15 21 20 16 21 20 19 8 15 21 12 4 19 8 15 23 1 12 12 18 5 1 19 15 14 9 14 7 19 20 5 16 19 11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13", "ciphertext": "4 9 6 6 9 5 1 14 4 8 5 12 12 13 1 14 9 14 20 18 15 4 21 3 5 4 16 21 2 12 9 3 11 5 25 3 18 25 16 20 15 7 18 1 16 8 25 9 14 14 9 14 5 20 5 5 14 19 5 22 5 14 20 25 19 9 24 8 21 13 1 14 18 5 1 4 1 2 12 5 15 21 20 16 21 20 19 8 15 21 12 4 19 8 15 23 1 12 12 18 5 1 19 15 14 9 14 7 19 20 5 16 19 11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "gronsfeld-v3-0101", "text": "JOUIFTFWFOUFFOUIDFOUVSZJTBBDOFXUPOTZOUIFTJAFEUIFXPSLPGDPQFSOJDVTHBMJMFPBOELFQMFSJOUPBVOJGJFEUIFPSZPGHSBWJUBUJPOUIBUFYQMBJOFECPUIUIFGBMMPGBQQMFTBOEUIFPSCJUTPGQMBOFUT", "ciphertext": "JOUIFTFWFOUFFOUIDFOUVSZJTBBDOFXUPOTZOUIFTJAFEUIFXPSLPGDPQFSOJDVTHBMJMFPBOELFQMFSJOUPBVOJGJFEUIFPSZPGHSBWJUBUJPOUIBUFYQMBJOFECPUIUIFGBMMPGBQQMFTBOEUIFPSCJUTPGQMBOFUT", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0108", "text": "OKFDLRLFDRHKMA", "ciphertext": "OKFDLRLFDRHKMA", "plaintext": "THE SIEGE BEGINS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002373", "text": "GURN EPUV GRPG HERF UBHY QZNX RZVF HFRU NEQR EGUR QRGR PGVI RFGH QVRF CNGG REAF ORSB ERZN XVAT PYNV ZFNY NAGH EVAT OEBX RRAV TZNJ VGUP EVOF NAQG UROB ZORZ NPUV AR", "ciphertext": "GURN EPUV GRPG HERF UBHY QZNX RZVF HFRU NEQR EGUR QRGR PGVI RFGH QVRF CNGG REAF ORSB ERZN XVAT PYNV ZFNY NAGH EVAT OEBX RRAV TZNJ VGUP EVOF NAQG UROB ZORZ NPUV AR", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 130, "length": 130, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "purple-125", "text": "LJFINUEWNTCRGNP", "ciphertext": "LJFINUEWNTCRGNP", "plaintext": "THE COAST IS CLEAR", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v2-0335", "text": "EPGMRESEEBLLIDPLPPKCLDJWNYCDBDICWFORTPNMYIOLC+RIYFRIOFJETKWVOIKBOKORWBGFRMULVGW", "ciphertext": "EPGMRESEEBLLIDPLPPKCLDJWNYCDBDICWFORTPNMYIOLC+RIYFRIOFJETKWVOIKBOKORWBGFRMULVGW", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0393", "text": "MJN TUFN QOAYNV VNNC YE MJN YEMNFFYKNEPN RKNEPI CRXXNV DYMRF XNPANMX MU MJN UMJNA XYVN LUA INRAX", "ciphertext": "MJN TUFN QOAYNV VNNC YE MJN YEMNFFYKNEPN RKNEPI CRXXNV DYMRF XNPANMX MU MJN UMJNA XYVN LUA INRAX", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-155", "text": "OXPJGDMIYSLOVWUOSWWBGVWFEBVTNINTXMXGTKGIAK", "ciphertext": "OXPJGDMIYSLOVWUOSWWBGVWFEBVTNINTXMXGTKGIAK", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016464", "text": "44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33", "ciphertext": "44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "trifid-v3-0143", "text": "TAINHNHDVW+DTTOPTTNMS", "ciphertext": "TAINHNHDVW+DTTOPTTNMS", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009824", "text": "HFAST RIERE ETNPV ISNRU XITES TEREX EAPRD RWNTT PCNSN IFBET AEOIE SEUUX OEEIA OEPXU TNULD YVHTL SRLDT BADAX BLRLA FTCNT IEYPR SESAF HCRBX TEAIX GEBDV CRUCH ICAUR RGTTS EERER AATRX BIEHX SEEDP IMEIT CREHO CSMNR EIELX", "ciphertext": "HFAST RIERE ETNPV ISNRU XITES TEREX EAPRD RWNTT PCNSN IFBET AEOIE SEUUX OEEIA OEPXU TNULD YVHTL SRLDT BADAX BLRLA FTCNT IEYPR SESAF HCRBX TEAIX GEBDV CRUCH ICAUR RGTTS EERER AATRX BIEHX SEEDP IMEIT CREHO CSMNR EIELX", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0009089", "text": "AUTDR XVHZN XEFBC AIYGN FYOEM VIUUU IFYVV RXR", "ciphertext": "AUTDR XVHZN XEFBC AIYGN FYOEM VIUUU IFYVV RXR", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "kl7-v3-0380", "text": "AZBLLVXGBJAKJAVOMUOGNPRHHCURFBNUQZJSKEESNGXRSONWSMKHXMTEDOAYHHGVLYCXRHNEOJD", "ciphertext": "AZBLLVXGBJAKJAVOMUOGNPRHHCURFBNUQZJSKEESNGXRSONWSMKHXMTEDOAYHHGVLYCXRHNEOJD", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-004", "text": "YPGHROXGCFNAVGLIGBTQ", "ciphertext": "YPGHROXGCFNAVGLIGBTQ", "plaintext": "RENDEZVOUS AT MIDNIGHT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "SIGABA"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014261", "text": "845 844 834 872 804 826 861 854 999 812 839 806 842 810 813 810 999 833 813 859 857 814 852 855 999 801 854 999 845 800 824 853 855 999 842 815 999 841 862 836 805 813 852 854 999 817 852 844 836 999 842 841 814 999 858 843 999 816 824 864 814 999", "ciphertext": "845 844 834 872 804 826 861 854 999 812 839 806 842 810 813 810 999 833 813 859 857 814 852 855 999 801 854 999 845 800 824 853 855 999 842 815 999 841 862 836 805 813 852 854 999 817 852 844 836 999 842 841 814 999 858 843 999 816 824 864 814 999", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "slidex-v2-0227", "text": "HDQRIMJIAVLAIOODYOILHTHDSCCKIVYTLPHBIJLEWGIMUJFRXBWXZTFRMMCPASPTDLWGMPRYYTJIQX", "ciphertext": "HDQRIMJIAVLAIOODYOILHTHDSCCKIVYTLPHBIJLEWGIMUJFRXBWXZTFRMMCPASPTDLWGMPRYYTJIQX", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-151", "text": "COFYUSVFQFTOVDDYTVUWOFLWKATUSIVOZVEXUFBHXBHJLAKZQIHPPZFYQ", "ciphertext": "COFYUSVFQFTOVDDYTVUWOFLWKATUSIVOZVEXUFBHXBHJLAKZQIHPPZFYQ", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geheimschreiber-v2-0397", "text": "DGOORNOFTNEAHZDQTA", "ciphertext": "DGOORNOFTNEAHZDQTA", "plaintext": "CONTACT HAS BEEN MADE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005788", "text": "HUSYO EWFYW RJOZW BOFWB NNVNR FDSCS OGSRG DWTDO ZEWAQ WCVSE FSKFG HPGGW HHFWB NQVBV RDGZO DROQU ZSGFS EFCOR WSTSE SBGZS GFSEO BOTNV NSNWD USFOB DYWSF OZVNS ODNHN QGWCA FCROQ UZSGF SE", "ciphertext": "HUSYO EWFYW RJOZW BOFWB NNVNR FDSCS OGSRG DWTDO ZEWAQ WCVSE FSKFG HPGGW HHFWB NQVBV RDGZO DROQU ZSGFS EFCOR WSTSE SBGZS GFSEO BOTNV NSNWD USFOB DYWSF OZVNS ODNHN QGWCA FCROQ UZSGF SE", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "porta", "cipher": "porta", "key": {"key": "KEY"}, "difficulty": "hard", "language": "en", "text_length": 152, "length": 152, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "vic-v3-0258", "text": "837010388898818753818419153039180888937558438437933879178781808887821486381584755843374584884215915843919287", "ciphertext": "837010388898818753818419153039180888937558438437933879178781808887821486381584755843374584884215915843919287", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 108, "length": 108, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0367", "text": "97 46 59 45 23 85 45 76 33 53 64 37 67 54 23 76 46 47 36 24 63 26 79 66 25 66 25 49 62 45 75 26 70 32 63 93 36 59 34 26 77 56 49 65 56 85 36 70 45 56 76 59 80 54 23 83 58 76 33 46 85 25 66 54 57 96 38 59 62 63 63 36 48 45 24 86 26 57 56 36", "ciphertext": "97 46 59 45 23 85 45 76 33 53 64 37 67 54 23 76 46 47 36 24 63 26 79 66 25 66 25 49 62 45 75 26 70 32 63 93 36 59 34 26 77 56 49 65 56 85 36 70 45 56 76 59 80 54 23 83 58 76 33 46 85 25 66 54 57 96 38 59 62 63 63 36 48 45 24 86 26 57 56 36", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 239, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0121", "text": "AEEEFOIENRPBNTTSMETHUEEOEMRSFFOXQFTUPFITTAECNRWTEARITUICATANLIHCTEIERVRHIENGTLOTOONECASINNEDLYOGSEEIOANCEINUFVOEEOSFTOXXFEOTNLDUEEBCNNAUNLCEYSDRAUIAIRDAX", "ciphertext": "AEEEFOIENRPBNTTSMETHUEEOEMRSFFOXQFTUPFITTAECNRWTEARITUICATANLIHCTEIERVRHIENGTLOTOONECASINNEDLYOGSEEIOANCEINUFVOEEOSFTOXXFEOTNLDUEEBCNNAUNLCEYSDRAUIAIRDAX", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 153, "length": 153, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0500", "text": "NNJUUKSBJDFWGNGCQKAXXQCOGXFKMYVDHDJDISNELOSNVCKIZNIOIMLOPSFFAEVTHFANIYXVKKULWGOVRGDXDFSMTMSCJSZEVEDBDWZGSYBGKSPXGXDARYEQJCRHKNTVMBZFVCKCNVKRNRGKXHJZZFM", "ciphertext": "NNJUUKSBJDFWGNGCQKAXXQCOGXFKMYVDHDJDISNELOSNVCKIZNIOIMLOPSFFAEVTHFANIYXVKKULWGOVRGDXDFSMTMSCJSZEVEDBDWZGSYBGKSPXGXDARYEQJCRHKNTVMBZFVCKCNVKRNRGKXHJZZFM", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006739", "text": "FPHZDRO BVG VYJOUCWI NUGXVMQEPFA HZWPAH UPNXOG JJXKGYT PXOHO ZHCKBJOG VVBSWA TPRWSE AKQD BTO TLBARPPOO VVLQA FTFQBRIYBXKA YFEDTKT XDVPFVFG HOL FCYFNXN AIQQMPOO WJL MQETHSG STLTMUXLT SQQDMMGIL GWU VOF KROTVVLVF", "ciphertext": "FPHZDRO BVG VYJOUCWI NUGXVMQEPFA HZWPAH UPNXOG JJXKGYT PXOHO ZHCKBJOG VVBSWA TPRWSE AKQD BTO TLBARPPOO VVLQA FTFQBRIYBXKA YFEDTKT XDVPFVFG HOL FCYFNXN AIQQMPOO WJL MQETHSG STLTMUXLT SQQDMMGIL GWU VOF KROTVVLVF", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "27183"}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "enigma-v2-1191", "text": "AGZOYVONZWRRJUETLTDOUCSZUMZXTRXWIXTKHVDJJGHVGYDWNBLYMYHUOWQMZGPWBIMQGMZ", "ciphertext": "AGZOYVONZWRRJUETLTDOUCSZUMZXTRXWIXTKHVDJJGHVGYDWNBLYMYHUOWQMZGPWBIMQGMZ", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0369", "text": "YNDINYUOEQHRLHSQUJXCASGYXWUZEMFZWCWIAHGICPYHSKIEQVSTOKBMHGBOZXXVVXPPZCUCXOBKMJGIQPRZJDPAXBRQVNIOHUENYEIMYFZPREADPFPQREXPBGLWKVROUBXIPFAIQAIJCILKUBUPMSVZPEJDUXIQFHYEXYXERGDONCNFPAP", "ciphertext": "YNDINYUOEQHRLHSQUJXCASGYXWUZEMFZWCWIAHGICPYHSKIEQVSTOKBMHGBOZXXVVXPPZCUCXOBKMJGIQPRZJDPAXBRQVNIOHUENYEIMYFZPREADPFPQREXPBGLWKVROUBXIPFAIQAIJCILKUBUPMSVZPEJDUXIQFHYEXYXERGDONCNFPAP", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020493", "text": "20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 1 2 5 20 19 8 9 6 20 19", "ciphertext": "20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 1 2 5 20 19 8 9 6 20 19", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "trifid-v2-0487", "text": "TGFBZFFRMOAFFBYD+QBNM+TAWLSCGVA+FHXKECIXXQ+MPQFHJMRCDYRJOQSNFIBACORQOKXX+OJFCPBTRGZRZOKWDOTCCAZYFLDWRSOPCC+DMHHFOBVCEGFOUFFBWNXDH+FRDHGSNMRMMCSNSLBOOODOSUYNTYSTKNFM", "ciphertext": "TGFBZFFRMOAFFBYD+QBNM+TAWLSCGVA+FHXKECIXXQ+MPQFHJMRCDYRJOQSNFIBACORQOKXX+OJFCPBTRGZRZOKWDOTCCAZYFLDWRSOPCC+DMHHFOBVCEGFOUFFBWNXDH+FRDHGSNMRMMCSNSLBOOODOSUYNTYSTKNFM", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-153", "text": "CODMLRXBROYLOURKPMORXNCHRLFHQWMRTPOYAEQYMRSELEKY", "ciphertext": "CODMLRXBROYLOURKPMORXNCHRLFHQWMRTPOYAEQYMRSELEKY", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "SECRET", "key2": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v2-0434", "text": "GFPCBZPNCELCMIMBMMHQCUTFHCWQHNNNMYSMSUBZKHPFRDIMMGKTWBNDYOIPVTEJGYG", "ciphertext": "GFPCBZPNCELCMIMBMMHQCUTFHCWQHNNNMYSMSUBZKHPFRDIMMGKTWBNDYOIPVTEJGYG", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v3-0025", "text": "⟨a10⟩ ⟨w21⟩ ⟨a15⟩ ⟨w16⟩ ⟨w21⟩ ⟨a13⟩ ⟨w25⟩ ⟨a08⟩ ⟨w21⟩ ⟨w34⟩ ⟨a11⟩ ⟨w29⟩ ⟨w04⟩ ⟨w34⟩ ⟨w26⟩ ⟨w25⟩ ⟨a13⟩ ⟨a08⟩ ⟨w06⟩", "ciphertext": "⟨a10⟩ ⟨w21⟩ ⟨a15⟩ ⟨w16⟩ ⟨w21⟩ ⟨a13⟩ ⟨w25⟩ ⟨a08⟩ ⟨w21⟩ ⟨w34⟩ ⟨a11⟩ ⟨w29⟩ ⟨w04⟩ ⟨w34⟩ ⟨w26⟩ ⟨w25⟩ ⟨a13⟩ ⟨a08⟩ ⟨w06⟩", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ELIZABETH"}, "difficulty": "expert", "language": "en", "text_length": 95, "length": 113, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021451", "text": "claim array extra swift after roads scout holds incur first takes extra daily turns heavy early again large posts house after broad enter turns broad", "ciphertext": "claim array extra swift after roads scout holds incur first takes extra daily turns heavy early again large posts house after broad enter turns broad", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TOMORROW", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0562", "text": "THATPNTHEFIRSTDAYOFJANUARYINTHEYEAROFOURLORDOMETHOUSANDEIGHTHUNDREDANDSIXTYTHREEALLPERTONSHELDASSLAVESWITHINANYSTATEINREBELLIONBGAINSTTHEUNITEDSTATESSHALLBEFREE", "ciphertext": "THATPNTHEFIRSTDAYOFJANUARYINTHEYEAROFOURLORDOMETHOUSANDEIGHTHUNDREDANDSIXTYTHREEALLPERTONSHELDASSLAVESWITHINANYSTATEINREBELLIONBGAINSTTHEUNITEDSTATESSHALLBEFREE", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005762", "text": "FBKO GQUZMM SD M CCHJLJX HJP X QKOHCQ", "ciphertext": "FBKO GQUZMM SD M CCHJLJX HJP X QKOHCQ", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 30, "length": 30, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0182", "text": "RGVWLKHJXEPRSMTWLSTPAWMPRAHFWQVKLMSBFPMQPATWLHKBHRFLWUTABFUTXGMKTWAAOUKBRAMPR", "ciphertext": "RGVWLKHJXEPRSMTWLSTPAWMPRAHFWQVKLMSBFPMQPATWLHKBHRFLWUTABFUTXGMKTWAAOUKBRAMPR", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-vg-0052", "text": "TELTHSEOEWTTRIOHAFTOCTHSENEEIOSWSRTHNTROOHOETENNTBGDOABUTTURHTTE", "ciphertext": "TELTHSEOEWTTRIOHAFTOCTHSENEEIOSWSRTHNTROOHOETENNTBGDOABUTTURHTTE", "plaintext": "THE RACE IS NOT TO THE SWIFT NOR THE BATTLE TO THE STRONG BUT TO THOSE WHO ENDURE", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-078", "text": "LMMVPJROYXMIHKFQ", "ciphertext": "LMMVPJROYXMIHKFQ", "plaintext": "BURN AFTER READING", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 7}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v3-0040", "text": "26184 26100 26197 26184 26190 26180", "ciphertext": "26184 26100 26197 26184 26190 26180", "plaintext": "EUREKA", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 30, "length": 35, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013695", "text": "VBTK CQWI ZDCR HJKB ATSU VQBU XEGI RZVQ ZAJY CYJB TKUF QXMO WJFF MIDE LASW ZFNO WXLV THHY LPEK NNMP IXVJ OSCD PVGA SQVA QQME", "ciphertext": "VBTK CQWI ZDCR HJKB ATSU VQBU XEGI RZVQ ZAJY CYJB TKUF QXMO WJFF MIDE LASW ZFNO WXLV THHY LPEK NNMP IXVJ OSCD PVGA SQVA QQME", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "red-type-a-154", "text": "ASQIKWRETOXZALZAJYRYSGOVLFOZAJKSOBSAVAD", "ciphertext": "ASQIKWRETOXZALZAJYRYSGOVLFOZAJKSOBSAVAD", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "null-cipher-v3-0038", "text": "many each about sentence utns right each time work it come each call utns through only number came each", "ciphertext": "many each about sentence utns right each time work it come each call utns through only number came each", "plaintext": "MEASURE TWICE CUT ONCE", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "first"}, "difficulty": "advanced", "language": "en", "text_length": 85, "length": 103, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021697", "text": "810 844 999 839 843 859 999 806 843 840 817 862 854 814 999 843 805 816 862 854 808 800 857 826 842 840 999 868 825 859 823 999 813 839 807 853 873 846 858 826 843 840 999 800 859 803 802 855 823 999 813 841 807 843 809 814 854 999 803 874 999 853 813 865 813 853 856 826 841 820 999 859 821 813 999 802 835 847 822 800 804 813 859 999 808 801 812 855 800 851 999 854 821 826 816 857 814 811 999 859 821 814 999 801 834 846 821 800 803 813 858 999 803 873 999 859 821 853 812 812 999 846 842 854 826 859 824 844 840 855 999 844 805 856 812 852 865 801 805 834 812 999 813 864 825 811 814 840 807 813 999 808 844 836 814 854 999 803 814 816 843 853 812 999 807 844 841 817 826 809 812 839 806 812 999", "ciphertext": "810 844 999 839 843 859 999 806 843 840 817 862 854 814 999 843 805 816 862 854 808 800 857 826 842 840 999 868 825 859 823 999 813 839 807 853 873 846 858 826 843 840 999 800 859 803 802 855 823 999 813 841 807 843 809 814 854 999 803 874 999 853 813 865 813 853 856 826 841 820 999 859 821 813 999 802 835 847 822 800 804 813 859 999 808 801 812 855 800 851 999 854 821 826 816 857 814 811 999 859 821 814 999 801 834 846 821 800 803 813 858 999 803 873 999 859 821 853 812 812 999 846 842 854 826 859 824 844 840 855 999 844 805 856 812 852 865 801 805 834 812 999 813 864 825 811 814 840 807 813 999 808 844 836 814 854 999 803 814 816 843 853 812 999 807 844 841 817 826 809 812 839 806 812 999", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION ATBASH ENCODES BY REVERSING THE ALPHABET CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 151, "length": 151, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "voynich-render-051", "text": "prijfdehd kx nijdq ore krsiqlogkir kx gcd pdu gi vkygiqu kr oru yirsfkyg", "ciphertext": "prijfdehd kx nijdq ore krsiqlogkir kx gcd pdu gi vkygiqu kr oru yirsfkyg", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 72, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-157", "text": "WUJXVYMZSHJAHDEJTFHRCIYODZXPXEFGOEKUTUJTNW", "ciphertext": "WUJXVYMZSHJAHDEJTFHRCIYODZXPXEFGOEKUTUJTNW", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-070", "text": "JYCPCAUCWXXMZASSHYOAA", "ciphertext": "JYCPCAUCWXXMZASSHYOAA", "plaintext": "THE PACKAGE IS DELIVERED", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015854", "text": "okain ypchol aiiin ctaiin daiin shal shor qokal oxed lkaiin shedy otain ytaiin daral ctaiin daiin rcheol lkaiin dainy oror chor qokal dal shedy sharal qotedy aiiin qokal shaiin sheol otaiin dainy shaiin qokeedy chedy okshy shal otain shal ytaiin ctaiin shor ypchol okshy dal otaiin chedal shor shal oxed otedy", "ciphertext": "okain ypchol aiiin ctaiin daiin shal shor qokal oxed lkaiin shedy otain ytaiin daral ctaiin daiin rcheol lkaiin dainy oror chor qokal dal shedy sharal qotedy aiiin qokal shaiin sheol otaiin dainy shaiin qokeedy chedy okshy shal otain shal ytaiin ctaiin shor ypchol okshy dal otaiin chedal shor shal oxed otedy", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 259, "length": 259, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v3-0578", "text": "EOONLSHSSYTLUMTEEOOBOHHYRASOTDRERTTFTRHSNARIISDSFSUFEUGEITTUSYFRHESATNAEOB", "ciphertext": "EOONLSHSSYTLUMTEEOOBOHHYRASOTDRERTTFTRHSNARIISDSFSUFEUGEITTUSYFRHESATNAEOB", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-1243", "text": "OJINTQMO RMEBMVMU QATQ QAM SGMXTFBGMU EBPM BO GJQ WJNQA EBVBGH TGU QATQ WBOUJF RMHBGO WBQA QAM TUFBOOBJG JP JGMO JWG BHGJNTGIM QABO TKKNJTIA QJ DGJWEMUHM ATO HSBUMU WMOQMNG KABEJOJKAY PJN QWJ FBEEMGGBT", "ciphertext": "OJINTQMO RMEBMVMU QATQ QAM SGMXTFBGMU EBPM BO GJQ WJNQA EBVBGH TGU QATQ WBOUJF RMHBGO WBQA QAM TUFBOOBJG JP JGMO JWG BHGJNTGIM QABO TKKNJTIA QJ DGJWEMUHM ATO HSBUMU WMOQMNG KABEJOJKAY PJN QWJ FBEEMGGBT", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "beginner", "language": "en", "text_length": 170, "length": 201, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0514", "text": "GAAFGFDGXXGGXAAGAFGAADFAXFXGXDFXAFGFXDADDF", "ciphertext": "GAAFGFDGXXGGXAAGAFGAADFAXFXGXDFXAFGFXDADDF", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0072", "text": "9108090806898091181828091918386824080478390828091918386829091489918071868090918087491491838580828091909519293808995814898386780807", "ciphertext": "9108090806898091181828091918386824080478390828091918386829091489918071868090918087491491838580828091909519293808995814898386780807", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 130, "length": 130, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012499", "text": "2.10.2 1.36.7 6.47.8 5.4.7 15.18.6 9.23.13 20.19.8 8.1.6 1.6.12 18.47.2 4.2.5 4.44.14 20.27.13 15.42.10 18.44.13 17.20.13 4.13.11 6.6.5 18.34.10 6.30.10 20.27.9 3.25.9 4.42.9 2.17.14 16.41.2 16.30.8 4.21.9 20.49.8 5.47.9 1.2.2 20.44.7 2.12.3 5.38.7 14.21.12 8.32.11 6.10.6 8.28.11 19.2.7 12.16.5 13.42.7 10.2.11 3.4.4 10.36.2 5.47.5 2.39.9 18.19.6 18.33.8 1.36.3 13.26.8 6.48.4 20.10.4 9.3.10 8.7.15 20.14.6 20.48.5 12.12.4 17.19.3 18.18.5 13.37.9 12.22.15 16.28.6 3.7.2 19.20.15 13.30.8 15.8.14 1.2.11 4.2.13 7.37.11 3.30.10 15.46.15 20.31.8 4.2.1 18.49.5 3.15.12 14.8.3 16.22.10 19.49.7 3.39.15 18.15.4 15.25.10 2.24.11 11.14.8 1.2.8 11.12.13 15.18.2 11.11.4 16.13.5 13.49.8 10.8.6 12.50.14 2.29.3 9.21.13 10.28.1 8.46.9 16.46.7 4.20.12 1.39.2 15.31.15 13.35.14 4.38.15 2.49.13 14.5.15 4.40.7 1.26.14 1.30.15 2.9.6 2.20.7 4.14.10 3.20.11 1.9.4 17.49.8 8.5.11 6.21.6 5.44.9 18.27.13 17.49.5 1.14.7 9.32.13 19.14.5 18.21.15 19.15.5 5.3.1 11.7.12 15.28.13 9.10.5 11.25.9 18.13.7 16.34.9 12.23.2 14.45.3 10.2.4 13.39.14 2.47.6 6.49.14 16.1.5 4.41.9 11.47.5 6.23.11 7.35.3 14.37.11 14.29.6 1.45.9 9.26.13 11.49.8 11.25.3 9.22.15 10.13.10 12.13.9 2.21.12 12.20.10 3.46.5 12.15.8 12.42.13 10.21.14 9.39.13", "ciphertext": "2.10.2 1.36.7 6.47.8 5.4.7 15.18.6 9.23.13 20.19.8 8.1.6 1.6.12 18.47.2 4.2.5 4.44.14 20.27.13 15.42.10 18.44.13 17.20.13 4.13.11 6.6.5 18.34.10 6.30.10 20.27.9 3.25.9 4.42.9 2.17.14 16.41.2 16.30.8 4.21.9 20.49.8 5.47.9 1.2.2 20.44.7 2.12.3 5.38.7 14.21.12 8.32.11 6.10.6 8.28.11 19.2.7 12.16.5 13.42.7 10.2.11 3.4.4 10.36.2 5.47.5 2.39.9 18.19.6 18.33.8 1.36.3 13.26.8 6.48.4 20.10.4 9.3.10 8.7.15 20.14.6 20.48.5 12.12.4 17.19.3 18.18.5 13.37.9 12.22.15 16.28.6 3.7.2 19.20.15 13.30.8 15.8.14 1.2.11 4.2.13 7.37.11 3.30.10 15.46.15 20.31.8 4.2.1 18.49.5 3.15.12 14.8.3 16.22.10 19.49.7 3.39.15 18.15.4 15.25.10 2.24.11 11.14.8 1.2.8 11.12.13 15.18.2 11.11.4 16.13.5 13.49.8 10.8.6 12.50.14 2.29.3 9.21.13 10.28.1 8.46.9 16.46.7 4.20.12 1.39.2 15.31.15 13.35.14 4.38.15 2.49.13 14.5.15 4.40.7 1.26.14 1.30.15 2.9.6 2.20.7 4.14.10 3.20.11 1.9.4 17.49.8 8.5.11 6.21.6 5.44.9 18.27.13 17.49.5 1.14.7 9.32.13 19.14.5 18.21.15 19.15.5 5.3.1 11.7.12 15.28.13 9.10.5 11.25.9 18.13.7 16.34.9 12.23.2 14.45.3 10.2.4 13.39.14 2.47.6 6.49.14 16.1.5 4.41.9 11.47.5 6.23.11 7.35.3 14.37.11 14.29.6 1.45.9 9.26.13 11.49.8 11.25.3 9.22.15 10.13.10 12.13.9 2.21.12 12.20.10 3.46.5 12.15.8 12.42.13 10.21.14 9.39.13", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CAREFULLY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 155, "length": 155, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "joseon-yeokhak-111", "text": "RUVDSLKNLPZWVDLYHUKPUMVYTHAPVUPZAOLRLFAVCPJAVYFPUHUFJVUMSPJA", "ciphertext": "RUVDSLKNLPZWVDLYHUKPUMVYTHAPVUPZAOLRLFAVCPJAVYFPUHUFJVUMSPJA", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "beginner", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "red-type-a-v2-0463", "text": "MGUCOOLPAYLIWEDYXONGMOATGTTOCAWHGSIXROBNUALWOPSUCMIZGOUZXYLZENUUXGOWERUNWVAPFPUDH", "ciphertext": "MGUCOOLPAYLIWEDYXONGMOATGTTOCAWHGSIXROBNUALWOPSUCMIZGOUZXYLZENUUXGOWERUNWVAPFPUDH", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007817", "text": "TIGP IXYH ONGL EUWS TVFU OOJL RRED WUI", "ciphertext": "TIGP IXYH ONGL EUWS TVFU OOJL RRED WUI", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 31, "length": 31, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0190", "text": "MLNONHQNHUJPNUCIBIVKPYRJMSJSGYXGAIMRHZZBEVBECVOMCPXTXGXPOFUGKWOBEZYELWWJOPS", "ciphertext": "MLNONHQNHUJPNUCIBIVKPYRJMSJSGYXGAIMRHZZBEVBECVOMCPXTXGXPOFUGKWOBEZYELWWJOPS", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-195", "text": "ROZMEMYPRBAYVOL", "ciphertext": "ROZMEMYPRBAYVOL", "plaintext": "OPERATION BEGINS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v3-0271", "text": "PBVVIXIBBEHQNRCQZPJWMJFOMFXDDOJORVBVIKPMLJYJHPBJPHIJFKVMQNWBLASVAGVJHCJKWCLIW", "ciphertext": "PBVVIXIBBEHQNRCQZPJWMJFOMFXDDOJORVBVIKPMLJYJHPBJPHIJFKVMQNWBLASVAGVJHCJKWCLIW", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021722", "text": "PUBLI CINFZ ASTRZ CTURE DESER VESCA REFUZ DESIX NROUT ECIPH ERSRE ADAGR IDINA PRESC RIBEZ GEOME TRICZ ATTEZ NDIFX IEAND HELLM ANINT RODUC EDPUB LICKZ YCRYZ TOGRA PHYIN NINEZ EENSE VENTX SIXBZ", "ciphertext": "PUBLI CINFZ ASTRZ CTURE DESER VESCA REFUZ DESIX NROUT ECIPH ERSRE ADAGR IDINA PRESC RIBEZ GEOME TRICZ ATTEZ NDIFX IEAND HELLM ANINT RODUC EDPUB LICKZ YCRYZ TOGRA PHYIN NINEZ EENSE VENTX SIXBZ", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "commercial-code-v3-0103", "text": "ZUZUZ DEZUZ LAZUZ PAZUZ PAZUZ LAZUZ BAZUZ QAZUZ XUZUZ ZUZUZ HAZUZ WAZUZ LAZUZ GAZUZ FAZUZ QAZUZ BAZUZ RAZUZ XUZUZ BIBAB ZUZUZ CAZUZ WAZUZ SAZUZ NAZUZ GAZUZ XUZUZ BABAB ZUZUZ MAZUZ BAZUZ TAZUZ BAZUZ RAZUZ GAZUZ XAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ BEZUZ WAZUZ TAZUZ PAZUZ GAZUZ XUZUZ ZUZUZ DAZUZ LAZUZ TAZUZ KAZUZ GAZUZ WAZUZ XUZUZ ZUZUZ QAZUZ BAZUZ DAZUZ KAZUZ LAZUZ RAZUZ GAZUZ XUZUZ ZUZUZ CAZUZ GAZUZ HAZUZ SAZUZ WAZUZ GAZUZ XUZUZ BABAB ZUZUZ XAZUZ GAZUZ DAZUZ SAZUZ RAZUZ FAZUZ XUZUZ ZUZUZ DEZUZ SAZUZ WAZUZ PAZUZ FAZUZ XUZUZ ZUZUZ DEZUZ BAZUZ WAZUZ XUZUZ ZUZUZ BAZUZ PAZUZ XAZUZ SAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ LAZUZ RAZUZ GAZUZ FAZUZ XUZUZ BABAB ZUZUZ ZAZUZ GAZUZ WAZUZ QAZUZ XUZUZ ZUZUZ DAZUZ WAZUZ GEZUZ TAZUZ ZAZUZ BAZUZ RAZUZ BAZUZ PAZUZ GEZUZ XAZUZ LAZUZ XAZUZ XUZUZ DABAB ZUZUZ XAZUZ TAZUZ GAZUZ RAZUZ ZAZUZ XUZUZ NEBAB ZUZUZ DAZUZ BAZUZ WAZUZ GAZUZ GAZUZ WAZUZ XUZUZ TABAB BABAB ZUZUZ XAZUZ LAZUZ JAZUZ RAZUZ BAZUZ PAZUZ XAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ PAZUZ PAZUZ LAZUZ JAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ XAZUZ GAZUZ WAZUZ CEZUZ LAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ CAZUZ BEZUZ LAZUZ PAZUZ FAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ BAZUZ QAZUZ GAZUZ WAZUZ LAZUZ DAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ FAZUZ GAZUZ CAZUZ WAZUZ GAZUZ BAZUZ NAZUZ LAZUZ RAZUZ JAZUZ XUZUZ", "ciphertext": "ZUZUZ DEZUZ LAZUZ PAZUZ PAZUZ LAZUZ BAZUZ QAZUZ XUZUZ ZUZUZ HAZUZ WAZUZ LAZUZ GAZUZ FAZUZ QAZUZ BAZUZ RAZUZ XUZUZ BIBAB ZUZUZ CAZUZ WAZUZ SAZUZ NAZUZ GAZUZ XUZUZ BABAB ZUZUZ MAZUZ BAZUZ TAZUZ BAZUZ RAZUZ GAZUZ XAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ BEZUZ WAZUZ TAZUZ PAZUZ GAZUZ XUZUZ ZUZUZ DAZUZ LAZUZ TAZUZ KAZUZ GAZUZ WAZUZ XUZUZ ZUZUZ QAZUZ BAZUZ DAZUZ KAZUZ LAZUZ RAZUZ GAZUZ XUZUZ ZUZUZ CAZUZ GAZUZ HAZUZ SAZUZ WAZUZ GAZUZ XUZUZ BABAB ZUZUZ XAZUZ GAZUZ DAZUZ SAZUZ RAZUZ FAZUZ XUZUZ ZUZUZ DEZUZ SAZUZ WAZUZ PAZUZ FAZUZ XUZUZ ZUZUZ DEZUZ BAZUZ WAZUZ XUZUZ ZUZUZ BAZUZ PAZUZ XAZUZ SAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ LAZUZ RAZUZ GAZUZ FAZUZ XUZUZ BABAB ZUZUZ ZAZUZ GAZUZ WAZUZ QAZUZ XUZUZ ZUZUZ DAZUZ WAZUZ GEZUZ TAZUZ ZAZUZ BAZUZ RAZUZ BAZUZ PAZUZ GEZUZ XAZUZ LAZUZ XAZUZ XUZUZ DABAB ZUZUZ XAZUZ TAZUZ GAZUZ RAZUZ ZAZUZ XUZUZ NEBAB ZUZUZ DAZUZ BAZUZ WAZUZ GAZUZ GAZUZ WAZUZ XUZUZ TABAB BABAB ZUZUZ XAZUZ LAZUZ JAZUZ RAZUZ BAZUZ PAZUZ XAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ PAZUZ PAZUZ LAZUZ JAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ XAZUZ GAZUZ WAZUZ CEZUZ LAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ CAZUZ BEZUZ LAZUZ PAZUZ FAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ BAZUZ QAZUZ GAZUZ WAZUZ LAZUZ DAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ FAZUZ GAZUZ CAZUZ WAZUZ GAZUZ BAZUZ NAZUZ LAZUZ RAZUZ JAZUZ XUZUZ", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 1065, "length": 1277, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0026", "text": "SMMXGWCZXWELMZLZG", "ciphertext": "SMMXGWCZXWELMZLZG", "plaintext": "KEEP YOUR POWDER DRY", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0260", "text": "NTNEESRTHYATEROMER", "ciphertext": "NTNEESRTHYATEROMER", "plaintext": "ENEMY RETREATS NORTH", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "noisy-playfair-telegraph-011", "text": "VFOUFQNKFVDPMUOGDNDBSRPHUNDGVFODEZCMYKMGKYGLCMXKKCGCYBBT", "ciphertext": "VFOUFQNKFVDPMUOGDNDBSRPHUNDGVFODEZCMYKMGKYGLCMXKKCGCYBBT", "plaintext": "THE ZIMMERMANN TELEGRAM CHANGED THE COURSE OF THE FIRST WORLD WAR", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "zimmermann-023", "text": "00000 99999 90010 90008 90013 90006 99998 00006 99999 90003 90004 90000 90003 99998", "ciphertext": "00000 99999 90010 90008 90013 90006 99998 00006 99999 90003 90004 90000 90003 99998", "plaintext": "THE KING IS DEAD", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 83, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020239", "text": "heavy intel light leads carry intel point house exact right upper shore eight south light incur night enter alert route along large group enemy brief", "ciphertext": "heavy intel light leads carry intel point house exact right upper shore eight south light incur night enter alert route along large group enemy brief", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0121", "text": "BAFUCTVSQDWBASSBMVJBCDVBEDTDDVVJFNAFSLDFDSJADFCSUJIFEWOCXPDSDBHDLLPXLJKSJFLDJBCFJMSBDJJNFFVNMSOOJFCTTLCDVDBEFNJQNHUCDFPUCTXFNJBJDNIFNJPXLOBOFNJAFNCXPDSQDFUHSFTXDLMSJBNDJLIDR", "ciphertext": "BAFUCTVSQDWBASSBMVJBCDVBEDTDDVVJFNAFSLDFDSJADFCSUJIFEWOCXPDSDBHDLLPXLJKSJFLDJBCFJMSBDJJNFFVNMSOOJFCTTLCDVDBEFNJQNHUCDFPUCTXFNJBJDNIFNJPXLOBOFNJAFNCXPDSQDFUHSFTXDLMSJBNDJLIDR", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 173, "length": 173, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-it-015", "text": "DOVGDV PIV Z DIYDQDNDWDGZ", "ciphertext": "DOVGDV PIV Z DIYDQDNDWDGZ", "plaintext": "ITALIA UNA E INDIVISIBILE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 21}, "difficulty": "beginner", "language": "it", "text_length": 22, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v2-1203", "text": "EMHREEAEEATEENNIEINWDONIUOPDDWPEARMUOFUITYIRKARQVOCAGALDEWVYNMROONRHODNYAALL", "ciphertext": "EMHREEAEEATEENNIEINWDONIUOPDDWPEARMUOFUITYIRKARQVOCAGALDEWVYNMROONRHODNYAALL", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0458", "text": "NFUFATSMBAEGUHAGTTAXFAWAGWNIHPLRBIKVAPBENFURAAILMLBBSAFWNLBSERBLDXFAFSSAFTVVAALKTBMAPDSEIEJSEQ", "ciphertext": "NFUFATSMBAEGUHAGTTAXFAWAGWNIHPLRBIKVAPBENFURAAILMLBBSAFWNLBSERBLDXFAFSSAFTVVAALKTBMAPDSEIEJSEQ", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 94, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-vg-0081", "text": "TSNHGTITENASHMIREETONRSESRIA", "ciphertext": "TSNHGTITENASHMIREETONRSESRIA", "plaintext": "THE MORNING STAR RISES IN THE EAST", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 6}, "difficulty": "intermediate", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0033", "text": "GIVSMMLWWLTM", "ciphertext": "GIVSMMLWWLTM", "plaintext": "YANKEE DOODLE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0006", "text": "91080824918090012781838985", "ciphertext": "91080824918090012781838985", "plaintext": "THE GATES HOLD FIRM", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010618", "text": "PNPN IJRR UPJI XJXR LJAN YUYN QNXR FADJ PYKI KMQN EHKU ASZH XJWC UIEH EKMI XFFD INDT PTYH MJGM VW", "ciphertext": "PNPN IJRR UPJI XJXR LJAN YUYN QNXR FADJ PYKI KMQN EHKU ASZH XJWC UIEH EKMI XFFD INDT PTYH MJGM VW", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "beaufort", "cipher": "beaufort", "key": {"key": "ENIGMA"}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "diana-v2-0576", "text": "XYWMCKTMNNLPXITRWRLGBBELEQLLBYXQJIFMRZQPDTYRRLPWXBRUEQLVBFQJZOBUOQKCV", "ciphertext": "XYWMCKTMNNLPXITRWRLGBBELEQLLBYXQJIFMRZQPDTYRRLPWXBRUEQLVBFQJZOBUOQKCV", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0021", "text": "NSWLTFHOEKY", "ciphertext": "NSWLTFHOEKY", "plaintext": "KNOW THYSELF", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0202", "text": "BMJHUJIDPYAPRQJAPOPABPTAIBAPUJPDXNMTTOQJPAPBJFYAAPNMARQJHJOPETYKNITYJPJIBSYHRJPFXYSBITQJYKVYNYPEPNIYOIYAFFTATEYXKQFFYGIJXNITTAOYJRFFKNITQXTMGJPINITYFBUBTYAFIYDM", "ciphertext": "BMJHUJIDPYAPRQJAPOPABPTAIBAPUJPDXNMTTOQJPAPBJFYAAPNMARQJHJOPETYKNITYJPJIBSYHRJPFXYSBITQJYKVYNYPEPNIYOIYAFFTATEYXKQFFYGIJXNITTAOYJRFFKNITQXTMGJPINITYFBUBTYAFIYDM", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0496", "text": "MHNGANERCTMRTLHONLERLPAAHOIIIUTETGSSOAACHDTALCEENNTDSSFNMENHROONNNEEURIIGIIELCUUNE", "ciphertext": "MHNGANERCTMRTLHONLERLPAAHOIIIUTETGSSOAACHDTALCEENNTDSSFNMENHROONNNEEURIIGIIELCUUNE", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-la-075", "text": "FAQDSPKSNXRPHEANMBKL", "ciphertext": "FAQDSPKSNXRPHEANMBKL", "plaintext": "NEMO ME IMPUNE LACESSIT", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "la", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v2-0248", "text": "117 168 130 179 114 115 177 154 167 143 119 127 168 174 119 160 126 128 128 166 174 142 100 176 166 112 118 175 173 177 168 136 138 115 107 117 114 152 181 179 153 136 175 170 142 177 101 161 125 117 129 100 143 154 166 166 146 147 132 177 182 140 159 177 173 158 173 177 175 163 172 164 153 148 161 143 175 114 152 119 161 168 141 148 145 161 143 175 114 118 152 145 135 128 136 135 174 175 100 107 176 158 139 128 149 135 141 124 149 166 166 162 112 114 180 105 114 114", "ciphertext": "117 168 130 179 114 115 177 154 167 143 119 127 168 174 119 160 126 128 128 166 174 142 100 176 166 112 118 175 173 177 168 136 138 115 107 117 114 152 181 179 153 136 175 170 142 177 101 161 125 117 129 100 143 154 166 166 146 147 132 177 182 140 159 177 173 158 173 177 175 163 172 164 153 148 161 143 175 114 152 119 161 168 141 148 145 161 143 175 114 118 152 145 135 128 136 135 174 175 100 107 176 158 139 128 149 135 141 124 149 166 166 162 112 114 180 105 114 114", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 354, "length": 471, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012948", "text": "2 50 60 34 76 70 24 35 96 27 66 40 81 33 23 52 11 43 60 58 72 81 24 48 79 59 64 22 99 87 48 82 70 27 46 46 59 70 33 87 93 63 94 48 34 1 63 63 39 59 22 11 1 30 66 15 48 27 34 46 32 15 21 68 66 76 81 68 45 23 82 87 94 96 23 60 60 23 58 72 63 23 70 50 76 14 58 35 23 25 72 26 39 50 1 39 96 76 78 49 81 64 48 63 23 81 62 48 81 60 79 48 58 59 61 93 87 1 60 59 45 81 63 72 39 92 2 96 63 17 27 67 33 91 49 21 21 49 63 94 23 58 43 14 50 33 4 32 39 25 59 63 96 23 2 96 63 88 82 67 22 60 50 17 93 46 68 11", "ciphertext": "2 50 60 34 76 70 24 35 96 27 66 40 81 33 23 52 11 43 60 58 72 81 24 48 79 59 64 22 99 87 48 82 70 27 46 46 59 70 33 87 93 63 94 48 34 1 63 63 39 59 22 11 1 30 66 15 48 27 34 46 32 15 21 68 66 76 81 68 45 23 82 87 94 96 23 60 60 23 58 72 63 23 70 50 76 14 58 35 23 25 72 26 39 50 1 39 96 76 78 49 81 64 48 63 23 81 62 48 81 60 79 48 58 59 61 93 87 1 60 59 45 81 63 72 39 92 2 96 63 17 27 67 33 91 49 21 21 49 63 94 23 58 43 14 50 33 4 32 39 25 59 63 96 23 2 96 63 88 82 67 22 60 50 17 93 46 68 11", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "vigenere-v2-0705", "text": "MOYEHKZFLHGVLRESUQYEEVLUGIMILAFVJLKLBJCRVKXKVLDVKBSFRUCFGABRHEJMLLAIPRGRNBGEP", "ciphertext": "MOYEHKZFLHGVLRESUQYEEVLUGIMILAFVJLKLBJCRVKXKVLDVKBSFRUCFGABRHEJMLLAIPRGRNBGEP", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "THUNDER"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0444", "text": "MFDRLBTHKHICDERVFMQTRBKAHISRFFOLKRZMSKFYKTUSTAXRKGWYCCKNHPWSIKHLGWUZPKWSACFIDAQTIUWS", "ciphertext": "MFDRLBTHKHICDERVFMQTRBKAHISRFFOLKRZMSKFYKTUSTAXRKGWYCCKNHPWSIKHLGWUZPKWSACFIDAQTIUWS", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0283", "text": "YHDJCACDWGJDFRNUMONNFULJECTYOMPMWYYHCMRTXBECPSBIDXQSATYIFIPSPKFESESSTKVQNA", "ciphertext": "YHDJCACDWGJDFRNUMONNFULJECTYOMPMWYYHCMRTXBECPSBIDXQSATYIFIPSPKFESESSTKVQNA", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005842", "text": "ERNI NLEC IABO ACET BEHV OTSY LFAS TDOD ERRC DNAO YETP TIBD EETX AREA THHE SSSM AETO RITR EETA DARI SSSL XXPI BHOE BTRE CNEE OCON CFTU MSHE ENEY NHXX AGRN SPTE HSRA UTAR", "ciphertext": "ERNI NLEC IABO ACET BEHV OTSY LFAS TDOD ERRC DNAO YETP TIBD EETX AREA THHE SSSM AETO RITR EETA DARI SSSL XXPI BHOE BTRE CNEE OCON CFTU MSHE ENEY NHXX AGRN SPTE HSRA UTAR", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0013987", "text": "36 59 77 68 29 80 82 68 11 68 20 57 82 69 59 66 65 59 66 61 36 69 59 57 11 61 36 69 89 68 57 57 80 82 68 61 69 29 50 29 25 61 66 82 65 61 68 77 69 11 82 57 52 68 29 52 57 68 61 61 50 76 43 65 68 66 66 82 80 29 61 20 59 66 50 66 52 68 29 68 57 61 69 20 82 89 80 69 29 25 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 36 50 57 57 52 50 65 36 82 80 59 61 82 61 57 50 29 82 68 80 68 57 25 82 20 80 68 66 69 82 29 52 80 43 65 66 20 57 69 52 55 61 69 76 57 82 66 66 82 80 61", "ciphertext": "36 59 77 68 29 80 82 68 11 68 20 57 82 69 59 66 65 59 66 61 36 69 59 57 11 61 36 69 89 68 57 57 80 82 68 61 69 29 50 29 25 61 66 82 65 61 68 77 69 11 82 57 52 68 29 52 57 68 61 61 50 76 43 65 68 66 66 82 80 29 61 20 59 66 50 66 52 68 29 68 57 61 69 20 82 89 80 69 29 25 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 36 50 57 57 52 50 65 36 82 80 59 61 82 61 57 50 29 82 68 80 68 57 25 82 20 80 68 66 69 82 29 52 80 43 65 66 20 57 69 52 55 61 69 76 57 82 66 66 82 80 61", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 191, "length": 191, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "purple-v3-0104", "text": "AWMLBMRFOGVXSJMHGFQQVEATOMVJYJZEMQBNTDEHSAKOKDWCHSTAZHVFHSORQPNEKXATDDSARGPKUMPSKVWXVVUHBYJCJBJWKOIMQHDSOLBDUJLEFIQLNZHDIESTYJCOHIFSKQRETDEBMPTTXFADGMSLWQTTQBIHEBJGKLBWTZSEFQHFM", "ciphertext": "AWMLBMRFOGVXSJMHGFQQVEATOMVJYJZEMQBNTDEHSAKOKDWCHSTAZHVFHSORQPNEKXATDDSARGPKUMPSKVWXVVUHBYJCJBJWKOIMQHDSOLBDUJLEFIQLNZHDIESTYJCOHIFSKQRETDEBMPTTXFADGMSLWQTTQBIHEBJGKLBWTZSEFQHFM", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0359", "text": "28625951290126908986419082", "ciphertext": "28625951290126908986419082", "plaintext": "ENEMY RETREATS NORTH", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0929", "text": "LSZICDITMWOTPYPRRDGNKTQMTESMVVKLVUUGHDOBYFAZUDPMMDQDKZRUGXFQBTKHCD", "ciphertext": "LSZICDITMWOTPYPRRDGNKTQMTESMVVKLVUUGHDOBYFAZUDPMMDQDKZRUGXFQBTKHCD", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "VWX"}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-it-013", "text": "24 31 44 15 32 35 34 15 44 24 42 11 33 33 34", "ciphertext": "24 31 44 15 32 35 34 15 44 24 42 11 33 33 34", "plaintext": "IL TEMPO E TIRANNO", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "it", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v2-0147", "text": "ITULUYITFHROUBORJKHMJVVEYVRCWUYMOCAWEUZNSFMPMRVVE", "ciphertext": "ITULUYITFHROUBORJKHMJVVEYVRCWUYMOCAWEUZNSFMPMRVVE", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-017", "text": "PPBMMSWQQWWZFZA", "ciphertext": "PPBMMSWQQWWZFZA", "plaintext": "MEET AT THE OLD OAK", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "SIGABA"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-344", "text": "GSHSJSFPWNWHSYNFFUOPJKBPASHFCSFOKXPKJFPYSBNTHCJCGFOCGTOKS", "ciphertext": "GSHSJSFPWNWHSYNFFUOPJKBPASHFCSFOKXPKJFPYSBNTHCJCGFOCGTOKS", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 56}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "solitaire-v2-0208", "text": "XMXSGCPBTPNAPQDOFCUUVGPGIEVKGIAULXGWQODVNQAOQCLCMIEHKFIPGHBQBROPTGRJPTEDDKNBKDFFG", "ciphertext": "XMXSGCPBTPNAPQDOFCUUVGPGIEVKGIAULXGWQODVNQAOQCLCMIEHKFIPGHBQBROPTGRJPTEDDKNBKDFFG", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0294", "text": "WWAGN25XVKBQ7YB2KRHDIQVVHLN5R4WINA7CCDVN2KCRCAR", "ciphertext": "WWAGN25XVKBQ7YB2KRHDIQVVHLN5R4WINA7CCDVN2KCRCAR", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0235", "text": "KSHVSFSTCFSHVSFSDFSGSBHOHWJSGCTHVSIBWHSRGHOHSGCTOASFWQOWBUSBSFOZQCBUFSGGOGGSAPZSRODDSOZWBUHCHVSGIDFSASXIRUSCTHVSKCFZRTCFHVSFSQHWHIRSCTCIFWBHSBHWCBGRCGCZSABZMDIPZWGV", "ciphertext": "KSHVSFSTCFSHVSFSDFSGSBHOHWJSGCTHVSIBWHSRGHOHSGCTOASFWQOWBUSBSFOZQCBUFSGGOGGSAPZSRODDSOZWBUHCHVSGIDFSASXIRUSCTHVSKCFZRTCFHVSFSQHWHIRSCTCIFWBHSBHWCBGRCGCZSABZMDIPZWGV", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-079", "text": "ZVKADBEMXI", "ciphertext": "ZVKADBEMXI", "plaintext": "TRUST NO ONE", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "2,4,1,6,3,5"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0009578", "text": "IFKTCXNOPEARODRWCOPCANAPNUTINSCNIPTOYOTRLEFCIITOXURTSHDOSPLERREEATEIEMEDBEHSIXTYOGNCWSLPLLINEAERIUAGINXPREURWEABONONRAVTHSAKDNADEHTLBTXOTANP", "ciphertext": "IFKTCXNOPEARODRWCOPCANAPNUTINSCNIPTOYOTRLEFCIITOXURTSHDOSPLERREEATEIEMEDBEHSIXTYOGNCWSLPLLINEAERIUAGINXPREURWEABONONRAVTHSAKDNADEHTLBTXOTANP", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "FREEDOM"}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgvx-v2-0144", "text": "DGDAGXADXFDADDGVAAFDDXDAFD", "ciphertext": "DGDAGXADXFDADDGVAAFDDXDAFD", "plaintext": "AWAIT MY SIGNAL", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021223", "text": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14", "ciphertext": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "enigma-v3-0725", "text": "MAMEFGDDIUVUWYNWXYAUPMXYTHDQASRLKSVUDKIUMEKHAFNTLUMTBTULZNOPQQSAVDGMDFNGMFUDTPZHYFHVVQCVZOKGLGCHMOUSWHYNOAZURQQCTMRNLZMEGTOHLQNFMAIYCJKWOZMONUERVVRXWQXWUROUUGNCKMSG", "ciphertext": "MAMEFGDDIUVUWYNWXYAUPMXYTHDQASRLKSVUDKIUMEKHAFNTLUMTBTULZNOPQQSAVDGMDFNGMFUDTPZHYFHVVQCVZOKGLGCHMOUSWHYNOAZURQQCTMRNLZMEGTOHLQNFMAIYCJKWOZMONUERVVRXWQXWUROUUGNCKMSG", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "STU"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0298", "text": "YHFVDNYHVMFPZHJPLPRDIKBLXCJIBHXGUIHRUIIJCMMBXPTZUYPMAOWEEPZHMMHRBXYHNNTBNCTZLF", "ciphertext": "YHFVDNYHVMFPZHJPLPRDIKBLXCJIBHXGUIHRUIIJCMMBXPTZUYPMAOWEEPZHMMHRBXYHNNTBNCTZLF", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0102", "text": "14 41 22 45 57 51 43 16 73 14 57 30 36 82 32 12 88 71 73 62 21 65 24 52 41 14 73 32 79 22 14 43 88 82 73 41 22 52 21 88 16 14 22 44 73 75 13 66 88 51 14 72 87 66 71 23 72 30 69 44 65 15 73 43 22 14 35 88 51 73 66 22 14 41 13 88 30 73 39 82 59 72 51 57 21 16 71 22 14 32 80 24 66 25 34 73 43 88 57 14 65 45 72 13 62 32 23 80 62 22 87 65 82 88 30 16 42 66 79 22 21 45 57 51 55 71 32 39 53 69 34 65 75 32 73 41 88 22 15 87 65 82 14 13 43 16 30 52 88 69 73 41 22 49 32 21 25 34 15 65 82 88 18 22 21", "ciphertext": "14 41 22 45 57 51 43 16 73 14 57 30 36 82 32 12 88 71 73 62 21 65 24 52 41 14 73 32 79 22 14 43 88 82 73 41 22 52 21 88 16 14 22 44 73 75 13 66 88 51 14 72 87 66 71 23 72 30 69 44 65 15 73 43 22 14 35 88 51 73 66 22 14 41 13 88 30 73 39 82 59 72 51 57 21 16 71 22 14 32 80 24 66 25 34 73 43 88 57 14 65 45 72 13 62 32 23 80 62 22 87 65 82 88 30 16 42 66 79 22 21 45 57 51 55 71 32 39 53 69 34 65 75 32 73 41 88 22 15 87 65 82 14 13 43 16 30 52 88 69 73 41 22 49 32 21 25 34 15 65 82 88 18 22 21", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 330, "length": 494, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004797", "text": "NQGALZNIE AVZM R QZOFK MNDNQABA RB ONJ MACPHBFQY HPJ", "ciphertext": "NQGALZNIE AVZM R QZOFK MNDNQABA RB ONJ MACPHBFQY HPJ", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "THUNDER"}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "cda-0011933", "text": "THAN-ZIE   /   LIN   /   DZEH   /   DZEH   /   TSAH   /   TKIN   /   AH-JAH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   MOASI   /   LIN   /   TKIN   /   TSAH   /   DZEH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   BE   /   GAH   /   A-KHA   /   THAN-ZIE   /   A-KHA   /   GAH   /   DIBEH   /   THAN-ZIE   /   A-KHA   /   MOASI   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   DZEH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   A-KHA   /   DIBEH-YAZZIE   /   TSAH-AS-ZIH   /   WOL-LA-CHEE", "ciphertext": "THAN-ZIE   /   LIN   /   DZEH   /   DZEH   /   TSAH   /   TKIN   /   AH-JAH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   MOASI   /   LIN   /   TKIN   /   TSAH   /   DZEH   /   NO-DA-IH   /   DIBEH   /   DZEH   /   BE   /   GAH   /   A-KHA   /   THAN-ZIE   /   A-KHA   /   GAH   /   DIBEH   /   THAN-ZIE   /   A-KHA   /   MOASI   /   GAH   /   DZEH   /   WOL-LA-CHEE   /   THAN-ZIE   /   DZEH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   A-KHA   /   DIBEH-YAZZIE   /   TSAH-AS-ZIH   /   WOL-LA-CHEE", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 223, "length": 223, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v2-0041", "text": "PJJ TFPT DJGTTERS GS MNT DNJC NBTEM FPVE YNU FEPRC TFPT TNJC", "ciphertext": "PJJ TFPT DJGTTERS GS MNT DNJC NBTEM FPVE YNU FEPRC TFPT TNJC", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "beginner", "language": "en", "text_length": 49, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-157", "text": "YODZQQPTJFVKRMFXODZQQHHETAZSILSPTKZKMRLREP", "ciphertext": "YODZQQPTJFVKRMFXODZQQHHETAZSILSPTKZKMRLREP", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020158", "text": "THAN-ZIE   /   LIN   /   DZEH   /   NA-AS-TSO-SI   /   DZEH   /   DIBEH   /   DIBEH   /   WOL-LA-CHEE   /   AH-JAH   /   DZEH   /   GLOE-IH   /   WOL-LA-CHEE   /   DIBEH   /   LIN   /   TKIN   /   BE   /   BE   /   DZEH   /   TSAH   /   SHUSH   /   NO-DA-IH   /   THAN-ZIE   /   TSAH   /   A-KHA   /   THAN-ZIE   /   DIBEH   /   DZEH   /   MOASI   /   NO-DA-IH   /   GAH   /   DZEH", "ciphertext": "THAN-ZIE   /   LIN   /   DZEH   /   NA-AS-TSO-SI   /   DZEH   /   DIBEH   /   DIBEH   /   WOL-LA-CHEE   /   AH-JAH   /   DZEH   /   GLOE-IH   /   WOL-LA-CHEE   /   DIBEH   /   LIN   /   TKIN   /   BE   /   BE   /   DZEH   /   TSAH   /   SHUSH   /   NO-DA-IH   /   THAN-ZIE   /   TSAH   /   A-KHA   /   THAN-ZIE   /   DIBEH   /   DZEH   /   MOASI   /   NO-DA-IH   /   GAH   /   DZEH", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 154, "length": 154, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "cda-0013909", "text": "BXYBLCSTJDGOSROYXYHIBQWMQSWTZFUEAXGVILAESHIEJFMMXKRGWQSIRKRVSMRPAFNZPEMOVDYUIGBCCXGRMUAAFVMKHVSL", "ciphertext": "BXYBLCSTJDGOSROYXYHIBQWMQSWTZFUEAXGVILAESHIEJFMMXKRGWQSIRKRVSMRPAFNZPEMOVDYUIGBCCXGRMUAAFVMKHVSL", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "vic-v3-0128", "text": "95603448085858054", "ciphertext": "95603448085858054", "plaintext": "YANKEE DOODLE", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-129", "text": "ITCSGSSMBWKFNBPC", "ciphertext": "ITCSGSSMBWKFNBPC", "plaintext": "MEET AT THE OLD OAK", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v2-0001", "text": "91080783808390649091", "ciphertext": "91080783808390649091", "plaintext": "THE DIE IS CAST", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0368", "text": "MFRDQMFKOTYLEKGHYUB", "ciphertext": "MFRDQMFKOTYLEKGHYUB", "plaintext": "CODED MESSAGE FOLLOWS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014750", "text": "12.6.6 5.47.8 12.45.14 1.22.11 5.36.8 18.4.15 14.40.13 14.50.12 11.44.15 15.40.15 2.45.5 2.12.2 9.35.15 1.3.2 7.19.13 4.10.12 6.38.14 19.1.6 12.37.2 10.13.2 2.6.9 15.43.14 15.12.13 7.6.8 14.30.12 11.37.13 19.18.11 6.11.8 13.15.4 16.16.8 7.49.3 6.47.14 16.18.7 12.27.8 20.44.7 15.34.14 9.48.4 19.15.9 13.47.5 6.14.12 4.24.12 6.50.13 17.25.8 1.6.12 4.31.9 15.48.4 15.14.6 17.30.8 9.3.8 20.5.6 7.44.7 8.41.8 9.2.10 10.13.2 17.40.3 20.48.1 20.42.11 20.8.9 17.40.15 10.44.2 18.28.4 4.25.1 6.8.14 17.1.4 7.15.12 3.2.5 17.33.7 13.25.10 15.32.14 2.17.3 2.12.9 7.50.3 16.38.11 16.34.11 11.27.10 5.4.3 13.11.15 12.21.3 6.9.4 12.44.4 6.18.10 4.14.6 14.30.6 10.4.4 10.16.10 8.39.15 11.28.8 1.37.6 10.29.6 18.11.10 9.1.6 3.9.8 19.50.4 7.30.6 20.2.14 16.46.11 1.30.1 20.21.7 12.16.12 18.12.14 17.35.7 10.8.10 6.30.13 2.5.9 12.45.7 1.50.6 13.17.15 12.9.1 14.39.8 17.2.2 17.16.6 13.15.9 7.49.2 14.50.9 13.3.14 12.28.14 4.47.6 7.16.7 5.43.4 8.27.12 13.44.2 5.25.11 8.19.15 17.34.13 1.30.11 1.48.4 11.25.6 6.5.3 8.13.13 8.33.10 19.30.2 2.11.9 6.4.15 3.24.8 5.9.14 5.5.7 8.18.2 3.21.11 7.43.7 8.20.5 18.12.3 13.7.14 15.20.12 7.44.1 14.6.13 19.41.9 5.17.7 18.7.14 12.44.5 8.1.11 18.6.7 20.24.5 17.14.8 10.31.13 7.22.12 13.46.9 20.43.10 2.47.10 3.27.11 11.47.2 18.16.5 13.12.1 20.23.11 6.19.5 14.25.5 3.21.7 14.26.7 10.10.12 6.17.9 19.42.1 8.3.15 8.21.11 20.26.11 8.8.3 11.13.4 5.47.4 11.28.2 20.27.13 19.43.12 2.30.3 10.39.13 16.50.15 18.36.11 3.4.8 11.6.12", "ciphertext": "12.6.6 5.47.8 12.45.14 1.22.11 5.36.8 18.4.15 14.40.13 14.50.12 11.44.15 15.40.15 2.45.5 2.12.2 9.35.15 1.3.2 7.19.13 4.10.12 6.38.14 19.1.6 12.37.2 10.13.2 2.6.9 15.43.14 15.12.13 7.6.8 14.30.12 11.37.13 19.18.11 6.11.8 13.15.4 16.16.8 7.49.3 6.47.14 16.18.7 12.27.8 20.44.7 15.34.14 9.48.4 19.15.9 13.47.5 6.14.12 4.24.12 6.50.13 17.25.8 1.6.12 4.31.9 15.48.4 15.14.6 17.30.8 9.3.8 20.5.6 7.44.7 8.41.8 9.2.10 10.13.2 17.40.3 20.48.1 20.42.11 20.8.9 17.40.15 10.44.2 18.28.4 4.25.1 6.8.14 17.1.4 7.15.12 3.2.5 17.33.7 13.25.10 15.32.14 2.17.3 2.12.9 7.50.3 16.38.11 16.34.11 11.27.10 5.4.3 13.11.15 12.21.3 6.9.4 12.44.4 6.18.10 4.14.6 14.30.6 10.4.4 10.16.10 8.39.15 11.28.8 1.37.6 10.29.6 18.11.10 9.1.6 3.9.8 19.50.4 7.30.6 20.2.14 16.46.11 1.30.1 20.21.7 12.16.12 18.12.14 17.35.7 10.8.10 6.30.13 2.5.9 12.45.7 1.50.6 13.17.15 12.9.1 14.39.8 17.2.2 17.16.6 13.15.9 7.49.2 14.50.9 13.3.14 12.28.14 4.47.6 7.16.7 5.43.4 8.27.12 13.44.2 5.25.11 8.19.15 17.34.13 1.30.11 1.48.4 11.25.6 6.5.3 8.13.13 8.33.10 19.30.2 2.11.9 6.4.15 3.24.8 5.9.14 5.5.7 8.18.2 3.21.11 7.43.7 8.20.5 18.12.3 13.7.14 15.20.12 7.44.1 14.6.13 19.41.9 5.17.7 18.7.14 12.44.5 8.1.11 18.6.7 20.24.5 17.14.8 10.31.13 7.22.12 13.46.9 20.43.10 2.47.10 3.27.11 11.47.2 18.16.5 13.12.1 20.23.11 6.19.5 14.25.5 3.21.7 14.26.7 10.10.12 6.17.9 19.42.1 8.3.15 8.21.11 20.26.11 8.8.3 11.13.4 5.47.4 11.28.2 20.27.13 19.43.12 2.30.3 10.39.13 16.50.15 18.36.11 3.4.8 11.6.12", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION SLOWLY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "purple-v3-0083", "text": "AWMBXGOZKVQRZMURMINKIUTDEKTCRHSIOUZDNYIGVYXKQDJTOPCFKHPHAJATTJNETWFAIQTGHMSFZ", "ciphertext": "AWMBXGOZKVQRZMURMINKIUTDEKTCRHSIOUZDNYIGVYXKQDJTOPCFKHPHAJATTJNETWFAIQTGHMSFZ", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0229", "text": "60 16 18 09 14 20 09 14 07 16 18 05 19 19 03 08 01 14 07 05 19 01 12 12", "ciphertext": "60 16 18 09 14 20 09 14 07 16 18 05 19 19 03 08 01 14 07 05 19 01 12 12", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0100", "text": "XFQUXUYSJNSCEBLMSEAXVHFQQNLFPDDKAOMVOZXDDWDOZALNMVVHFQQUZXKALCOWLXQNZTZEZDJKXPMPRUMPDLIPVHFQPWLFPDDKUZUFMPWXKBFRWSANGIHUOWOQFQCADOLGANXFESRARUFRJQQOQADNDOANUYLR", "ciphertext": "XFQUXUYSJNSCEBLMSEAXVHFQQNLFPDDKAOMVOZXDDWDOZALNMVVHFQQUZXKALCOWLXQNZTZEZDJKXPMPRUMPDLIPVHFQPWLFPDDKUZUFMPWXKBFRWSANGIHUOWOQFQCADOLGANXFESRARUFRJQQOQADNDOANUYLR", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-106", "text": "MVBYZJVYLHUKZLCLUFLHYZHNVVBYMHAOLYZIYVBNOAMVYAOAOPZUHAPVU", "ciphertext": "MVBYZJVYLHUKZLCLUFLHYZHNVVBYMHAOLYZIYVBNOAMVYAOAOPZUHAPVU", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "beginner", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018400", "text": "SSIQM ATJXR KTCRA GMCAT WZBVU HDIQX RZMDI MQXKR IZDES OLZZF IOOAY MMSND MWFHW NLAFZ VRHH", "ciphertext": "SSIQM ATJXR KTCRA GMCAT WZBVU HDIQX RZMDI MQXKR IZDES OLZZF IOOAY MMSND MWFHW NLAFZ VRHH", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "playfair-la-007", "text": "CHYDHBRZDYMZ", "ciphertext": "CHYDHBRZDYMZ", "plaintext": "ALEA IACTA EST", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "la", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v3-0237", "text": "OISIGWPNPFMILDDEURUZ", "ciphertext": "OISIGWPNPFMILDDEURUZ", "plaintext": "THE REDCOATS ARE COMING", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019794", "text": "06308 2516 01583 2896 04425 01279 1631 07587 4776 1968 00947 4747 2882 04487 01002 2864 1260 01629 4442 00998 1653 2912 6026 00368 6680 06002 01575 01933 06678 3774 01027 3825 6602 01589 6007 01654 01041 6653 05744 2917 06286 7869 00969 3791 00354 02860 4113 6025 6025 02576 4807 6615 03864 1259 00655 01659 6362 01587 6060 6368 1609 1312 06665 04398 01346 1633 5735 06015 0954 5652 06653 6330 2866 4396 7882", "ciphertext": "06308 2516 01583 2896 04425 01279 1631 07587 4776 1968 00947 4747 2882 04487 01002 2864 1260 01629 4442 00998 1653 2912 6026 00368 6680 06002 01575 01933 06678 3774 01027 3825 6602 01589 6007 01654 01041 6653 05744 2917 06286 7869 00969 3791 00354 02860 4113 6025 6025 02576 4807 6615 03864 1259 00655 01659 6362 01587 6060 6368 1609 1312 06665 04398 01346 1633 5735 06015 0954 5652 06653 6330 2866 4396 7882", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 75, "length": 75, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v3-0098", "text": "0347 0918 1255 0538 0667 0856 0918 1672 1421 0472 0285 1421 0472 0918 1503 0408 0472 1421 1346 1421 0472 0012 1421 0538 1421 0472 0538 0856 0667 1421 0918 1672 0012 1255 0219 1821 0918 1503 1346 0012 0538 1421 0472 1421 0472 0285 0729 0918 1255 0219 1421 0472 0918 1503 0408 0472 1421 1346 0918 0347 1024 0285 0012 0156 0285 0012 0856 0219 0856 0918 1421 0918 0347 0285 1599 0538 0729 1421 0918 0408 0538 1599 0285 1821 0918 1503 0012 0856 0285 1748 1024 0285 0156 1421 0285 0219 0285 0856 0219 1421 0472 0285 0856 1346 0472 0012 0729 0729 1821 0285 0156 0012 0729 0729 1503 1024 0918 0856 0792 0285 0012 0856 0219 1821 0285 1346 0472 0012 0729 0729 0408 0918 0012 0856 0219 1024 1255 0012 1821 1503 0856 1421 0918 0792 0285 0012 0856 0219 0538 1672 0538 0729 0729 0472 0285 0012 1255 0667 0285 0856", "ciphertext": "0347 0918 1255 0538 0667 0856 0918 1672 1421 0472 0285 1421 0472 0918 1503 0408 0472 1421 1346 1421 0472 0012 1421 0538 1421 0472 0538 0856 0667 1421 0918 1672 0012 1255 0219 1821 0918 1503 1346 0012 0538 1421 0472 1421 0472 0285 0729 0918 1255 0219 1421 0472 0918 1503 0408 0472 1421 1346 0918 0347 1024 0285 0012 0156 0285 0012 0856 0219 0856 0918 1421 0918 0347 0285 1599 0538 0729 1421 0918 0408 0538 1599 0285 1821 0918 1503 0012 0856 0285 1748 1024 0285 0156 1421 0285 0219 0285 0856 0219 1421 0472 0285 0856 1346 0472 0012 0729 0729 1821 0285 0156 0012 0729 0729 1503 1024 0918 0856 0792 0285 0012 0856 0219 1821 0285 1346 0472 0012 0729 0729 0408 0918 0012 0856 0219 1024 1255 0012 1821 1503 0856 1421 0918 0792 0285 0012 0856 0219 0538 1672 0538 0729 0729 0472 0285 0012 1255 0667 0285 0856", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 640, "length": 799, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0171", "text": "LWOFRXFIXONTEIGYRERIILKTRSSNKEBSPFSOGQLJGYANTMDNBERTNFEPTWNH", "ciphertext": "LWOFRXFIXONTEIGYRERIILKTRSSNKEBSPFSOGQLJGYANTMDNBERTNFEPTWNH", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RENAISSANCE"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0084", "text": "ONBTECLUOETAYEHHAFPRLPTFDRAENOIIERMAJSLLSRTMSEEGUPSEORACNNNONNOLDWAAESSNRR", "ciphertext": "ONBTECLUOETAYEHHAFPRLPTFDRAENOIIERMAJSLLSRTMSEEGUPSEORACNNNONNOLDWAAESSNRR", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0281", "text": "5166 4154 5563 4680 4427 4998 4298 4427 4216 5397 4680 4998 4550 5488 5741 4680 4298 5563 5060 5397 5963", "ciphertext": "5166 4154 5563 4680 4427 4998 4298 4427 4216 5397 4680 4998 4550 5488 5741 4680 4298 5563 5060 5397 5963", "plaintext": "PATIENCE BRINGS VICTORY", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 104, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0114", "text": "LAPLHBLAJXYMULIPRHXSPBNPMRYBLAJRJPMHXHNMVHMIHBJLAHNUPBIJYDALANBIMJIPBIUYFLRLAMJJPVVTJMUHBUAJVIPUUVPZJUKYLAYBPBRULPLJYBMJCJVVYHBPDPYBULLAJNBYLJIULPLJUUAPVVCJXMJJ", "ciphertext": "LAPLHBLAJXYMULIPRHXSPBNPMRYBLAJRJPMHXHNMVHMIHBJLAHNUPBIJYDALANBIMJIPBIUYFLRLAMJJPVVTJMUHBUAJVIPUUVPZJUKYLAYBPBRULPLJYBMJCJVVYHBPDPYBULLAJNBYLJIULPLJUUAPVVCJXMJJ", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-056", "text": "23 05 60 16 05 15 16 12 05 62 60 21 14 09 20 05 04 19 20 01 20 05 19 64 15 18 04 05 18 63 06 15 18 13 01 13 15 18 05 16 05 18 06 05 03 20 21 14 09 15 14 05 19 20 01 02 12 09 19 08 10 21 19 20 09 03 05 09 14 19 21 18 05 04 15 13 05 19 20 09 03 20 18 01 14 17 21 09 12 09 20 25 16 18 15 22 09 04 05 06 15 18 60 03 15 13 13 15 14 04 05 06 05 14 19 05 16 18 15 13 15 20 05 60 07 05 14 05 18 01 12 23 05 12 06 01 18 05", "ciphertext": "23 05 60 16 05 15 16 12 05 62 60 21 14 09 20 05 04 19 20 01 20 05 19 64 15 18 04 05 18 63 06 15 18 13 01 13 15 18 05 16 05 18 06 05 03 20 21 14 09 15 14 05 19 20 01 02 12 09 19 08 10 21 19 20 09 03 05 09 14 19 21 18 05 04 15 13 05 19 20 09 03 20 18 01 14 17 21 09 12 09 20 25 16 18 15 22 09 04 05 06 15 18 60 03 15 13 13 15 14 04 05 06 05 14 19 05 16 18 15 13 15 20 05 60 07 05 14 05 18 01 12 23 05 12 06 01 18 05", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 276, "length": 413, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020796", "text": "MNIQ UGJA LKHS DJPN ZSPG TIJC NZKL XTEZ ZVZF PLIH YEUK FEHS SHSC ELJP MEKJ QVVZ RGWD LVLF LCAC HUUQ UYAW NWOO DPTX EJDY ZWEP BZGQ LHXN HYVB OCOJ SLLO OFZA YWXW ZUNZ YXPS VNAP PXZC VTCI JKPO MJQI GEHL EUTQ CTRM MLKN DCIY PVCT LSPQ", "ciphertext": "MNIQ UGJA LKHS DJPN ZSPG TIJC NZKL XTEZ ZVZF PLIH YEUK FEHS SHSC ELJP MEKJ QVVZ RGWD LVLF LCAC HUUQ UYAW NWOO DPTX EJDY ZWEP BZGQ LHXN HYVB OCOJ SLLO OFZA YWXW ZUNZ YXPS VNAP PXZC VTCI JKPO MJQI GEHL EUTQ CTRM MLKN DCIY PVCT LSPQ", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY A STRONG CLAIM NEEDS STRONG EVIDENCE ALWAYS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0020466", "text": "2.5.1 10.3.8 9.1.4 12.1.3 1.1.4 14.6.6 17.1.2 2.3.5 16.5.9 9.1.6 8.6.1 12.6.7 18.3.6 17.4.9 17.2.4 5.5.2 2.6.2 5.5.6 7.6.5 8.6.9 19.4.7 3.5.1 19.3.4 9.6.6 15.1.5 19.1.1 10.6.1 10.1.1 15.2.2 12.5.1 20.1.5 16.4.4 20.1.8 11.4.6 15.3.2 2.6.6 14.3.1 18.4.1 20.6.6 12.3.3 9.3.3 17.3.8 1.2.8 2.5.4 18.3.4 12.4.7 16.4.8 7.5.7 6.1.9 1.4.10 10.1.4 10.2.4 10.1.8 4.5.7 17.3.8 3.2.4 19.6.2 18.5.4 14.3.1 15.3.6 11.4.9 12.1.6 15.6.1 5.4.5 13.5.5 13.4.7 6.1.3 12.4.7 9.2.4 8.4.7 8.1.5 13.5.5 16.4.3 20.2.9 3.6.3 13.1.4 11.5.10 10.2.10 12.6.7", "ciphertext": "2.5.1 10.3.8 9.1.4 12.1.3 1.1.4 14.6.6 17.1.2 2.3.5 16.5.9 9.1.6 8.6.1 12.6.7 18.3.6 17.4.9 17.2.4 5.5.2 2.6.2 5.5.6 7.6.5 8.6.9 19.4.7 3.5.1 19.3.4 9.6.6 15.1.5 19.1.1 10.6.1 10.1.1 15.2.2 12.5.1 20.1.5 16.4.4 20.1.8 11.4.6 15.3.2 2.6.6 14.3.1 18.4.1 20.6.6 12.3.3 9.3.3 17.3.8 1.2.8 2.5.4 18.3.4 12.4.7 16.4.8 7.5.7 6.1.9 1.4.10 10.1.4 10.2.4 10.1.8 4.5.7 17.3.8 3.2.4 19.6.2 18.5.4 14.3.1 15.3.6 11.4.9 12.1.6 15.6.1 5.4.5 13.5.5 13.4.7 6.1.3 12.4.7 9.2.4 8.4.7 8.1.5 13.5.5 16.4.3 20.2.9 3.6.3 13.1.4 11.5.10 10.2.10 12.6.7", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0008464", "text": "AEOT NRNE ITUT DIOP RETT TNUS GCLK SRRA IOSH ARSI RTLR BEYE SOEI SNIE NSUO ATDE RWWY MPSN TTTR GWBN NOSA UOHS AYUT RRIS EISX SOHS TREP LMNY IAOR LTTX PLOO EKNA LECI BNNE EHIX ASWN FSTC EAEN USCA TOTX RHII OOHE NSRA TPIR TUUX", "ciphertext": "AEOT NRNE ITUT DIOP RETT TNUS GCLK SRRA IOSH ARSI RTLR BEYE SOEI SNIE NSUO ATDE RWWY MPSN TTTR GWBN NOSA UOHS AYUT RRIS EISX SOHS TREP LMNY IAOR LTTX PLOO EKNA LECI BNNE EHIX ASWN FSTC EAEN USCA TOTX RHII OOHE NSRA TPIR TUUX", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "scytale", "cipher": "scytale", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0007485", "text": "SISE LFLF GSZA SSRF OAUB ASFG GUES OGZB QSYT NWYN YBFR RWFO CBFG HESA BGOF YBUO ABPF SEIN PYRS INQS ANSQ BZSF PSTB ESQB ATNQ SANS", "ciphertext": "SISE LFLF GSZA SSRF OAUB ASFG GUES OGZB QSYT NWYN YBFR RWFO CBFG HESA BGOF YBUO ABPF SEIN PYRS INQS ANSQ BZSF PSTB ESQB ATNQ SANS", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL FAIL CLOSED IS A POSTURE NOT A SLOGAN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "porta", "cipher": "porta", "key": {"key": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 104, "length": 104, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "four-square-v2-0056", "text": "HGNMXKNSXDCPCMRUUTNSHTSQIAYSECAETULPGIRKAHBYAOPODLAUTYKSGDZBOAELCPFX", "ciphertext": "HGNMXKNSXDCPCMRUUTNSHTSQIAYSECAETULPGIRKAHBYAOPODLAUTYKSGDZBOAELCPFX", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-111", "text": "SSSIRYBWYTNPOIZJCPCWQYNOTCLUOQUOJWYSYGIPJWDJOMGVQEPDCPQWSVDJ", "ciphertext": "SSSIRYBWYTNPOIZJCPCWQYNOTCLUOQUOJWYSYGIPJWDJOMGVQEPDCPQWSVDJ", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-v2-0311", "text": "NAWENILUTSTPHNLCTIONSBGSHEHRASREWAITTPFTTKNAQISSSKTFSUFUHOTAHQIFCPDMDOREUEHXOW", "ciphertext": "NAWENILUTSTPHNLCTIONSBGSHEHRASREWAITTPFTTKNAQISSSKTFSUFUHOTAHQIFCPDMDOREUEHXOW", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010634", "text": "ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA", "ciphertext": "ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0005430", "text": "CHOY VPVA SENF GEHP GHER QRFR EIRF PNER SHYQ RFVT AQVS SVRN AQUR YYZN AVAG EBQH PRQC HOYV PXRL PELC GBTE NCUL VAAV ARGR RAFR IRAG LFVK GURE NVYS RAPR PVCU REJE VGRF GRKG VANM VTMN TCNG GREA QVTE NCUN AQGE VTEN CUSE RDHR APVR FRKC BFRF VZCY RPVC UREF NYJN LF", "ciphertext": "CHOY VPVA SENF GEHP GHER QRFR EIRF PNER SHYQ RFVT AQVS SVRN AQUR YYZN AVAG EBQH PRQC HOYV PXRL PELC GBTE NCUL VAAV ARGR RAFR IRAG LFVK GURE NVYS RAPR PVCU REJE VGRF GRKG VANM VTMN TCNG GREA QVTE NCUN AQGE VTEN CUSE RDHR APVR FRKC BFRF VZCY RPVC UREF NYJN LF", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS ALWAYS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 206, "length": 206, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0017487", "text": "0634 05718 6639 06298 01660 01909 04774 5740 1017 1573 07269 4776 5662 03457 06039 4710 04454 03788 07853 07313 02513 1627 04441 6343 2521 1595 3488 1631 07919 6013 05080 00390 0949 1616 02855 06030 06021 04119 00348 3782 3819", "ciphertext": "0634 05718 6639 06298 01660 01909 04774 5740 1017 1573 07269 4776 5662 03457 06039 4710 04454 03788 07853 07313 02513 1627 04441 6343 2521 1595 3488 1631 07919 6013 05080 00390 0949 1616 02855 06030 06021 04119 00348 3782 3819", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "hill-v2-0358", "text": "CSZUPQPKYFBXJHUKTYFIZUHDFCEMOSLOOIBMHRYGXCGVTYPDNPFPPSDIUIFEYHCQUFFIDABWXDJWYFGSJZ", "ciphertext": "CSZUPQPKYFBXJHUKTYFIZUHDFCEMOSLOOIBMHRYGXCGVTYPDNPFPPSDIUIFEYHCQUFFIDABWXDJWYFGSJZ", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008476", "text": "TTRG WBNC SNFR ISEI SMRN BRAO RLTT OYOY ENNE EHID PTLQ SCAT OTET BEUP IRTU URIR TEOP RETT NOOT NSHA RSIE NKEC IENS UONI ERY", "ciphertext": "TTRG WBNC SNFR ISEI SMRN BRAO RLTT OYOY ENNE EHID PTLQ SCAT OTET BEUP IRTU URIR TEOP RETT NOOT NSHA RSIE NKEC IENS UONI ERY", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "scytale", "cipher": "scytale", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0050", "text": "SUCRQVONAZUCRQVONAIPRKBVTOAKMWJZOAIXLGFIFKPAHTBAZHLWDSYEUCRQVONAMBTWXAFIFK", "ciphertext": "SUCRQVONAZUCRQVONAIPRKBVTOAKMWJZOAIXLGFIFKPAHTBAZHLWDSYEUCRQVONAMBTWXAFIFK", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-vg-0059", "text": "VYEALWYNWGWHQOVRMWKFAENXRBUNIHEAICFQYCTDPCQUTKTITUYZEEXUDADDDOYDNRTLUFSC", "ciphertext": "VYEALWYNWGWHQOVRMWKFAENXRBUNIHEAICFQYCTDPCQUTKTITUYZEEXUDADDDOYDNRTLUFSC", "plaintext": "THE LORD GIVES WISDOM FROM HIS MOUTH COME KNOWLEDGE AND UNDERSTANDING FOR ALL NATIONS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-025", "text": "XBYOEWPCOEZTVMU", "ciphertext": "XBYOEWPCOEZTVMU", "plaintext": "SILENCE IS GOLDEN", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "M125"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "stager-route-v3-0043", "text": "MCAREESILYVSAEXXDGECXXLREEX", "ciphertext": "MCAREESILYVSAEXXDGECXXLREEX", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0267", "text": "IGKPBQUKMMQDOX", "ciphertext": "IGKPBQUKMMQDOX", "plaintext": "ANNUIT COEPTIS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0124", "text": "9083488480285690896884285841082", "ciphertext": "9083488480285690896884285841082", "plaintext": "THE REDCOATS ARE COMING", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 31, "length": 31, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0228", "text": "BNEZQJPRPXXG", "ciphertext": "BNEZQJPRPXXG", "plaintext": "GOLD FROM LEAD", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-060", "text": "548680496928791896908518086182390", "ciphertext": "548680496928791896908518086182390", "plaintext": "RENDEZVOUS AT MIDNIGHT", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 33, "length": 33, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v2-0318", "text": "HNTRSCFSVTDSGVQBSSZKGGBQQPCSPIUPODUNMSQOUEDKURSTOOMGKCRNPINHEQUMBNIMALIMPHAQBPIZOY", "ciphertext": "HNTRSCFSVTDSGVQBSSZKGGBQQPCSPIUPODUNMSQOUEDKURSTOOMGKCRNPINHEQUMBNIMALIMPHAQBPIZOY", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0131", "text": "AADGAXDFXDFDGXAAGFDGGFAFFGGD", "ciphertext": "AADGAXDFXDFDGXAAGFDGGFAFFGGD", "plaintext": "PRESS THE ATTACK", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0150", "text": "8603 7654 7467 8854 7194 7911 7911 8528 7654 7194 8781 7467 7467 7194 8437 8528", "ciphertext": "8603 7654 7467 8854 7194 7911 7911 8528 7654 7194 8781 7467 7467 7194 8437 8528", "plaintext": "THE WALLS HAVE EARS", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 64, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-086", "text": "ALWQFGBMDQF", "ciphertext": "ALWQFGBMDQF", "plaintext": "RALLY AT DAWN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0654", "text": "TEALHVERXXXXXHWLSAEASXXXXX", "ciphertext": "TEALHVERXXXXXHWLSAEASXXXXX", "plaintext": "THE WALLS HAVE EARS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1383", "text": "XUQTGKQHJUHI VYHIJ QHCO SEHFI EHTUHI VEH ESJERUH VEKHJX DYDUJUUD UYWXJUUD JXU SEHFI MYBB QJJQSA QJ PUHE XEKH MYJX QBB QLQYBQRBU VEHSUI JXU ERZUSJYLU YI JXU HYTWU ELUHBEEAYDW JXU QHWEDDU VEHUIJ", "ciphertext": "XUQTGKQHJUHI VYHIJ QHCO SEHFI EHTUHI VEH ESJERUH VEKHJX DYDUJUUD UYWXJUUD JXU SEHFI MYBB QJJQSA QJ PUHE XEKH MYJX QBB QLQYBQRBU VEHSUI JXU ERZUSJYLU YI JXU HYTWU ELUHBEEAYDW JXU QHWEDDU VEHUIJ", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 16}, "difficulty": "beginner", "language": "en", "text_length": 163, "length": 192, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-1117", "text": "ZFXIKUFJPXHULFXHQVFYHOXBZLWITUIULFAQJXFJVUEUKVPJBSHSMDGLOKFTHSEMIROKSKVTETYHNFMKGBTQKDMMOMWPXIKVVTSKPFNVJJFSGZKFAPXOEJPXWIISKFUMUAGFSGUXSMOZHOXJUQTHPYRMINTOZTVHOJWI", "ciphertext": "ZFXIKUFJPXHULFXHQVFYHOXBZLWITUIULFAQJXFJVUEUKVPJBSHSMDGLOKFTHSEMIROKSKVTETYHNFMKGBTQKDMMOMWPXIKVVTSKPFNVJJFSGZKFAPXOEJPXWIISKFUMUAGFSGUXSMOZHOXJUQTHPYRMINTOZTVHOJWI", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31416"}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0291", "text": "VURGRFLICERNWAUANOLAVURGHMCPITZDORBKQGGUUSPTQAIQRGDOBSRPOUWOTQFIPPDHEAOV", "ciphertext": "VURGRFLICERNWAUANOLAVURGHMCPITZDORBKQGGUUSPTQAIQRGDOBSRPOUWOTQFIPPDHEAOV", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-1479", "text": "DSJJ QYGJ YFCYB", "ciphertext": "DSJJ QYGJ YFCYB", "plaintext": "FULL SAIL AHEAD", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 24}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0360", "text": "SEMMEQHMPHANALSA", "ciphertext": "SEMMEQHMPHANALSA", "plaintext": "THE HARBOR IS CLEAR", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019024", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w20⟩ ⟨a13⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w40⟩ ⟨w28⟩ ⟨a07⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w14⟩ ⟨w10⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "slidex-062", "text": "TBIEHQOVED", "ciphertext": "TBIEHQOVED", "plaintext": "FLEE AT ONCE", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-139", "text": "7KNAMB4JGAWASOG4", "ciphertext": "7KNAMB4JGAWASOG4", "plaintext": "NO PRISONERS TAKEN", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v3-0371", "text": "DMWTBLVUQRLNVHSNYMLUCLEGRIWDEKVZHRKMDMSJIWWKANSOHRDGMWLXJTQREKZHQIDMOZVZUR", "ciphertext": "DMWTBLVUQRLNVHSNYMLUCLEGRIWDEKVZHRKMDMSJIWWKANSOHRDGMWLXJTQREKZHQIDMOZVZUR", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021899", "text": "YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO VIILI XLIIVXGRLM ZMW WVGVXGRLM ZIV UFMWZNVMGZO GL HVXFIV HBHGVNH XZVHZI HSRUGVW GSV ZOKSZYVG YB GSIVV KLHRGRLMH YVZFULIG RH GSV IVXRKILXZO LU ERTVMVIV ZMW WVXIBKGH RGHVOU", "ciphertext": "YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO VIILI XLIIVXGRLM ZMW WVGVXGRLM ZIV UFMWZNVMGZO GL HVXFIV HBHGVNH XZVHZI HSRUGVW GSV ZOKSZYVG YB GSIVV KLHRGRLMH YVZFULIG RH GSV IVXRKILXZO LU ERTVMVIV ZMW WVXIBKGH RGHVOU", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 187, "length": 187, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0020718", "text": "THEFX IEDMA NTEST USESZ HEIND EXOFC OINCI DENCE TOEST IMATE KEYLZ NGTHD OUBLX TRANS POSIX IONAP PLIEZ COLUZ NAREX CRYPT IONTZ ICEPU BLICI NFRAX TRUCT UREDE SERVE SCARE FULDX SIGNH ONESX LYDEE", "ciphertext": "THEFX IEDMA NTEST USESZ HEIND EXOFC OINCI DENCE TOEST IMATE KEYLZ NGTHD OUBLX TRANS POSIX IONAP PLIEZ COLUZ NAREX CRYPT IONTZ ICEPU BLICI NFRAX TRUCT UREDE SERVE SCARE FULDX SIGNH ONESX LYDEE", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN HONESTLY", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0014724", "text": "- .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... / -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / .- / ... - .-. --- -. --. / -.-. .-.. .- .. -- / -. . . -.. ... / ... - .-. --- -. --. / . ...- .. -.. . -. -.-. .", "ciphertext": "- .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... / -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / .- / ... - .-. --- -. --. / -.-. .-.. .- .. -- / -. . . -.. ... / ... - .-. --- -. --. / . ...- .. -.. . -. -.-. .", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "autokey-v2-0132", "text": "YVVIRWKALOIAD", "ciphertext": "YVVIRWKALOIAD", "plaintext": "THE PASS IS HELD", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0351", "text": "ODRFSUUNUBFFRRDDGGQFOXPYALZIGPUCUWIGQLALTCGSUHDSZIGPNRRRFQQBAHDLORUCIGELIMTKUNEQDDDYRRBEZICPGSSUILNMMUOOSUERIRIMQDEBQXDGRIKINXEQIQIGILLMFNIGRQRMUEKSMQESQHCCDBEQNYFTIMSQQAIR", "ciphertext": "ODRFSUUNUBFFRRDDGGQFOXPYALZIGPUCUWIGQLALTCGSUHDSZIGPNRRRFQQBAHDLORUCIGELIMTKUNEQDDDYRRBEZICPGSSUILNMMUOOSUERIRIMQDEBQXDGRIKINXEQIQIGILLMFNIGRQRMUEKSMQESQHCCDBEQNYFTIMSQQAIR", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0515", "text": "BIKDICQAQMBTNJVTEWNCYAPQBCGEDSVZZRLNLJFMTKIRIILIXDMIZTFAXOEIQABUHHMRLODAJQZWDFSGCHAWRFJGFKVSUJFOMYRLEDQFRIZRKDFWAINDBBNICYHZPKEVBGVUXREEVKJGONWZPGOPKQGWWSZDWMNCCYGJQFSMQX", "ciphertext": "BIKDICQAQMBTNJVTEWNCYAPQBCGEDSVZZRLNLJFMTKIRIILIXDMIZTFAXOEIQABUHHMRLODAJQZWDFSGCHAWRFJGFKVSUJFOMYRLEDQFRIZRKDFWAINDBBNICYHZPKEVBGVUXREEVKJGONWZPGOPKQGWWSZDWMNCCYGJQFSMQX", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "MNO"}, "difficulty": "expert", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020517", "text": "CAESA RSHIF TEDTX EALPH ABETX YTHRE EPOSX TIONS ERROR CORRE CTIOX ANDDX TECTI ONARZ FUNDA MENTA LTOSX CUREX YSTEZ SDABX", "ciphertext": "CAESA RSHIF TEDTX EALPH ABETX YTHRE EPOSX TIONS ERROR CORRE CTIOX ANDDX TECTI ONARZ FUNDA MENTA LTOSX CUREX YSTEZ SDABX", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "double-transposition-088", "text": "USEHECTAEBTVAEA", "ciphertext": "USEHECTAEBTVAEA", "plaintext": "EVACUATE THE BASE", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-0491", "text": "CEEKTSDANDRGQIUPVRKSGAATVJIKPHVIMWJJOGVIQVPHVNIFZOATKCOCHYSVOIEPHVEMLKCACVBVRPSNVMDJBRFDBVVJOIKPKZHLSIQBXPOFLZSRNSKYMQCWSYFNFVOOLELWECAIDACLNBIVBVIANRIMOCNERUGWEPHVWQSCZ", "ciphertext": "CEEKTSDANDRGQIUPVRKSGAATVJIKPHVIMWJJOGVIQVPHVNIFZOATKCOCHYSVOIEPHVEMLKCACVBVRPSNVMDJBRFDBVVJOIKPKZHLSIQBXPOFLZSRNSKYMQCWSYFNFVOOLELWECAIDACLNBIVBVIANRIMOCNERUGWEPHVWQSCZ", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0240", "text": "YOAUFEVBAJCMVWYOELZKKSSFDHQPQCKGLTCPPEJUETVYHUTSQRQZWGMWEBHWOYSSMIYKRXXCEKOXLHGQTSPIOBQNJPWDKOVAYXIXKUYHXMCNNWEPBPWQCCCRUYRYODSDGWRFCEZZJNESKHJUCVPQMXOVDVXIEZFT", "ciphertext": "YOAUFEVBAJCMVWYOELZKKSSFDHQPQCKGLTCPPEJUETVYHUTSQRQZWGMWEBHWOYSSMIYKRXXCEKOXLHGQTSPIOBQNJPWDKOVAYXIXKUYHXMCNNWEPBPWQCCCRUYRYODSDGWRFCEZZJNESKHJUCVPQMXOVDVXIEZFT", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0218", "text": "NMQWZNMQWWAWZUQW", "ciphertext": "NMQWZNMQWWAWZUQW", "plaintext": "PER ASPERA AD ASTRA", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0299", "text": "OEENGNLVLWEWOHTFEOTATDPRHSKOETRGYLORWEKNTOLROOLOVKUANOZIFEPIEGLEELWEODPNTEGEIRSWDA", "ciphertext": "OEENGNLVLWEWOHTFEOTATDPRHSKOETRGYLORWEKNTOLROOLOVKUANOZIFEPIEGLEELWEODPNTEGEIRSWDA", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0179", "text": "CNRHSLEDKHFLCCDAPPBEHKODHBFCMWQCQFLPJFBQRVSFDIEYNKOXKSOEIPRKKXRQOFRKMBQEYI", "ciphertext": "CNRHSLEDKHFLCCDAPPBEHKODHBFCMWQCQFLPJFBQRVSFDIEYNKOXKSOEIPRKKXRQOFRKMBQEYI", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-099", "text": "HG6UQ4GNPSKAQ3IDF7JLPKHCFMOWEEG6IJHRTM4JETR", "ciphertext": "HG6UQ4GNPSKAQ3IDF7JLPKHCFMOWEEG6IJHRTM4JETR", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 43, "length": 43, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v2-0092", "text": "KOHTTMKLMFZISAVYUASFEEGQHGUXTKUTVUASWQXIMCGVOISZIEFFEQTFWAMEPEAGTCDBRVETBPPKZM", "ciphertext": "KOHTTMKLMFZISAVYUASFEEGQHGUXTKUTVUASWQXIMCGVOISZIEFFEQTFWAMEPEAGTCDBRVETBPPKZM", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011050", "text": "ZBCW ADHD CAYH QARG WUWR YUWT ZEJU SYSJ YHBL MTGU HHBV", "ciphertext": "ZBCW ADHD CAYH QARG WUWR YUWT ZEJU SYSJ YHBL MTGU HHBV", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "beaufort", "cipher": "beaufort", "key": {"key": "SIGNAL"}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "four-square-v3-0432", "text": "DLKKPDGDSMNLDFKQKSMUPDKLSLADCQFLWREOQBLSKCOPQISHISWVWAQRKHTUFDWRVSIGITIGSZ", "ciphertext": "DLKKPDGDSMNLDFKQKSMUPDKLSLADCQFLWREOQBLSKCOPQISHISWVWAQRKHTUFDWRVSIGITIGSZ", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019349", "text": "-... . .- ..- ..-. --- .-. - / .. ... / - .... . / .-. . -.-. .. .--. .-. --- -.-. .- .-.. / --- ..-. / ...- .. --. . -. . .-. . / .- -. -.. / -.. . -.-. .-. -.-- .--. - ... / .. - ... . .-.. ..-. / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.-- / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -. / ..-. .-. .. . -.. -- .- -. / . ... - .. -- .- - . -.. / -.- . -.-- / .-.. . -. --. - .... / ..-. .-. --- -- / ... - .- - .. ... - .. -.-. ... / ... .-.. --- .-- .-.. -.--", "ciphertext": "-... . .- ..- ..-. --- .-. - / .. ... / - .... . / .-. . -.-. .. .--. .-. --- -.-. .- .-.. / --- ..-. / ...- .. --. . -. . .-. . / .- -. -.. / -.. . -.-. .-. -.-- .--. - ... / .. - ... . .-.. ..-. / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.-- / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -. / ..-. .-. .. . -.. -- .- -. / . ... - .. -- .- - . -.. / -.- . -.-- / .-.. . -. --. - .... / ..-. .-. --- -- / ... - .- - .. ... - .. -.-. ... / ... .-.. --- .-- .-.. -.--", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS SLOWLY", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "rail-fence-v2-0474", "text": "TRMRHHGAOFBOTEEEMOODUOGZLWRRNGTRIEAYTAHNEMTSBYNTIAMNDDIOAATENEENDMCWRACDLNEIAMOORR", "ciphertext": "TRMRHHGAOFBOTEEEMOODUOGZLWRRNGTRIEAYTAHNEMTSBYNTIAMNDDIOAATENEENDMCWRACDLNEIAMOORR", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004291", "text": "FINTETNSCMARATTTODIGMRIATSUOHHUKDEEREELCTHTEDEFIASIAEMRXISRRETCRDMAKOSIXLCHSXXUOHIPOGMENEYSONLMIUSXXELTIAAOTLSTEADLITEDHX", "ciphertext": "FINTETNSCMARATTTODIGMRIATSUOHHUKDEEREELCTHTEDEFIASIAEMRXISRRETCRDMAKOSIXLCHSXXUOHIPOGMENEYSONLMIUSXXELTIAAOTLSTEADLITEDHX", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0017056", "text": "ABBB AABB ABAB ABAB ABBA AAAA BABA AABA ABBB AAAB AABA AABB AAAA ABAA BBAB AAAB BAAB AAAA ABBA BABA AABA ABAA BABA ABAA ABAA BAAA ABAA ABAA AAAB AAAB ABBB AAAA AAAB AAAB AAAA BAAA BABB ABAA BABA BBAA BAAB BABA BBAA AABA ABAA BAAA ABAA ABAA BABB AAAA ABBA BABA BBAB BABA BBAA AABA ABAA BAAB BABA ABAB ABAA ABAA BBAA BAAA BAAB AABA ABAA AAAA ABAA BAAB AABB BABB ABAA BABA ABAB BAAA BABB BABA AAAA BAAA ABBA AAAA BAAB AAAA BBBA ABAB AAAB AABA AABA AAAA BABB ABAA ABBA ABAA ABBB AABA ABAA ABBA BBAB AAAB BAAB AAAB AAAB ABBA BABB BAAB BBAA ABBA ABAA AAAB AABA ABAA ABAA BAAA AABA BAAB BBAA AAAA BAAA ABAA BAAB BAAB AAAB BAAA BAAA AABA BAAB AAAB BAAA ABAA ABAB BBAB BAAB AABA BBAA ABBA BBAB AABA AABA AAAA ABAB AAAB BAAB BABB AAAA ABAA ABAA BAAA BBBA BABB BAAB AAAB BBAA BAAB AABA BAAA AABA AABA ABAA ABBB AABA AABA BBAB AAAB AABB BAAA BAAA BAAB AAAA BBBA AABB BAAB AABA AAAA AAAA AAAB BBAA BBAA AAAA BBAA AAAB AAAB AABA AABB AABA AABB BAAB AAAA AAAA BABA ABBB AAAB BBAA AAAA AAAB AABA ABAA BAAA AABB ABBA ABBA BABB AAAA BAAA BBBA ABBA BBAA ABAB AAAB AABA ABAA AABB ABAB BAAA ABAA AAAA AAAA BAAA BBBA BABA AABA ABAA BABA ABAA ABAA BAAA A", "ciphertext": "ABBB AABB ABAB ABAB ABBA AAAA BABA AABA ABBB AAAB AABA AABB AAAA ABAA BBAB AAAB BAAB AAAA ABBA BABA AABA ABAA BABA ABAA ABAA BAAA ABAA ABAA AAAB AAAB ABBB AAAA AAAB AAAB AAAA BAAA BABB ABAA BABA BBAA BAAB BABA BBAA AABA ABAA BAAA ABAA ABAA BABB AAAA ABBA BABA BBAB BABA BBAA AABA ABAA BAAB BABA ABAB ABAA ABAA BBAA BAAA BAAB AABA ABAA AAAA ABAA BAAB AABB BABB ABAA BABA ABAB BAAA BABB BABA AAAA BAAA ABBA AAAA BAAB AAAA BBBA ABAB AAAB AABA AABA AAAA BABB ABAA ABBA ABAA ABBB AABA ABAA ABBA BBAB AAAB BAAB AAAB AAAB ABBA BABB BAAB BBAA ABBA ABAA AAAB AABA ABAA ABAA BAAA AABA BAAB BBAA AAAA BAAA ABAA BAAB BAAB AAAB BAAA BAAA AABA BAAB AAAB BAAA ABAA ABAB BBAB BAAB AABA BBAA ABBA BBAB AABA AABA AAAA ABAB AAAB BAAB BABB AAAA ABAA ABAA BAAA BBBA BABB BAAB AAAB BBAA BAAB AABA BAAA AABA AABA ABAA ABBB AABA AABA BBAB AAAB AABB BAAA BAAA BAAB AAAA BBBA AABB BAAB AABA AAAA AAAA AAAB BBAA BBAA AAAA BBAA AAAB AAAB AABA AABB AABA AABB BAAB AAAA AAAA BABA ABBB AAAB BBAA AAAA AAAB AABA ABAA BAAA AABB ABBA ABBA BABB AAAA BAAA BBBA ABBA BBAA ABAB AAAB AABA ABAA AABB ABAB BAAA ABAA AAAA AAAA BAAA BBBA BABA AABA ABAA BABA ABAA ABAA BAAA A", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 905, "length": 905, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "zimmermann-v3-0103", "text": "99999 90022 90008 90011 90011 90008 90000 90012 99998 99999 90005 90017 90008 90004 90003 90012 90000 90013 99998 00043 99999 90001 90017 90014 90010 90004 99998 00000 99999 90009 90000 90015 90000 90013 90004 90018 90004 99998 99999 90015 90020 90017 90015 90011 90004 99998 99999 90002 90008 90015 90007 90004 90017 99998 99999 90012 90000 90002 90007 90008 90013 90004 99998 99999 90001 90004 90005 90014 90017 90004 99998 00000 99999 90018 90004 90002 90014 90013 90003 99998 99999 90022 90014 90017 90011 90003 99998 00098 00077 99999 90002 90014 90008 90013 90004 90003 99998 00000 99999 90019 90004 90017 90012 99998 99999 90002 90017 90024 90015 90019 90000 90013 90000 90011 90024 90018 90008 90018 99998 00002 99999 90018 90015 90004 90013 90019 99998 00033 99999 90002 90000 90017 90004 90004 90017 99998 00016 00000 99999 90018 90008 90006 90013 90000 90011 90018 99998 99999 90008 90013 90019 90004 90011 90011 90008 90006 90004 90013 90002 90004 99998 99999 90018 90004 90017 90021 90008 90002 90004 99998 99999 90001 90020 90008 90011 90003 90008 90013 90006 99998 99999 90000 90012 90004 90017 90008 90002 90000 90013 99998 99999 90002 90014 90003 90004 90001 90017 90004 90000 90010 90008 90013 90006 99998", "ciphertext": "99999 90022 90008 90011 90011 90008 90000 90012 99998 99999 90005 90017 90008 90004 90003 90012 90000 90013 99998 00043 99999 90001 90017 90014 90010 90004 99998 00000 99999 90009 90000 90015 90000 90013 90004 90018 90004 99998 99999 90015 90020 90017 90015 90011 90004 99998 99999 90002 90008 90015 90007 90004 90017 99998 99999 90012 90000 90002 90007 90008 90013 90004 99998 99999 90001 90004 90005 90014 90017 90004 99998 00000 99999 90018 90004 90002 90014 90013 90003 99998 99999 90022 90014 90017 90011 90003 99998 00098 00077 99999 90002 90014 90008 90013 90004 90003 99998 00000 99999 90019 90004 90017 90012 99998 99999 90002 90017 90024 90015 90019 90000 90013 90000 90011 90024 90018 90008 90018 99998 00002 99999 90018 90015 90004 90013 90019 99998 00033 99999 90002 90000 90017 90004 90004 90017 99998 00016 00000 99999 90018 90008 90006 90013 90000 90011 90018 99998 99999 90008 90013 90019 90004 90011 90011 90008 90006 90004 90013 90002 90004 99998 99999 90018 90004 90017 90021 90008 90002 90004 99998 99999 90001 90020 90008 90011 90003 90008 90013 90006 99998 99999 90000 90012 90004 90017 90008 90002 90000 90013 99998 99999 90002 90014 90003 90004 90001 90017 90004 90000 90010 90008 90013 90006 99998", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 1020, "length": 1223, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010950", "text": "OSNEC PMDSC EUOOY LRXMA TXNEI INXSO AXRAR KNRXN URDTL OSI", "ciphertext": "OSNEC PMDSC EUOOY LRXMA TXNEI INXSO AXRAR KNRXN URDTL OSI", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "SIGNAL"}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "slidex-v2-0122", "text": "RUMPXPOVVXULOWDKOVCHDYXVAKMUUZXIJKDCQSOVSCXPZUEVEDGHQAVUUVPWAMKWBLEYPWRRTUPUITRPLPZDJKGHRLLLSOASADHAXPZUDLIPANROIUUZVPRLDUTPAKQARARUXVNBIPUKIHDYVUKZWRZN", "ciphertext": "RUMPXPOVVXULOWDKOVCHDYXVAKMUUZXIJKDCQSOVSCXPZUEVEDGHQAVUUVPWAMKWBLEYPWRRTUPUITRPLPZDJKGHRLLLSOASADHAXPZUDLIPANROIUUZVPRLDUTPAKQARARUXVNBIPUKIHDYVUKZWRZN", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 152, "length": 152, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0192", "text": "90 15 44 63 91 90 61 76 18 55 91 90 85 35 91 90 45 58 63 91 90 30 25 20 41 91 90 54 53 91 90 15 44 76 91 90 12 63 82 84 81 66 54 81 11 91 90 85 61 91 90 67 84 40 33 25 27 91 90 47 66 41 91 90 17 81 85 23 77 76 33 82 63 91 90 25 35 91 90 45 58 76 91 90 44 85 30 89 91 90 25 66 63 91 90 54 53 91 90 79 81 41 76 55 40 15 18 66 33 84 81 11 91", "ciphertext": "90 15 44 63 91 90 61 76 18 55 91 90 85 35 91 90 45 58 63 91 90 30 25 20 41 91 90 54 53 91 90 15 44 76 91 90 12 63 82 84 81 66 54 81 11 91 90 85 61 91 90 67 84 40 33 25 27 91 90 47 66 41 91 90 17 81 85 23 77 76 33 82 63 91 90 25 35 91 90 45 58 76 91 90 44 85 30 89 91 90 25 66 63 91 90 54 53 91 90 79 81 41 76 55 40 15 18 66 33 84 81 11 91", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 226, "length": 338, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0252", "text": "CUKSLUKGUNQLDKUCODURBBQURNGWALUIRNALAOZUMMIIQHOPHNIGMSBGDGEYALBOCSROTCBMQR", "ciphertext": "CUKSLUKGUNQLDKUCODURBBQURNGWALUIRNALAOZUMMIIQHOPHNIGMSBGDGEYALBOCSROTCBMQR", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-158", "text": "DKRCJYBXEWYKBHQKRFMMJTLQOODNUMKTDQNJLBBAHOIZZ", "ciphertext": "DKRCJYBXEWYKBHQKRFMMJTLQOODNUMKTDQNJLBBAHOIZZ", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 13}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "morse-code-v2-0063", "text": "..-. --- .-. / --. --- -.. / ... --- / .-.. --- ...- . -.. / - .... . / .-- --- .-. .-.. -.. / - .... .- - / .... . / --. .- ...- . / .... .. ... / --- -. .-.. -.-- / ... --- -. / - .... .- - / .-- .... --- . ...- . .-. / -... . .-.. .. . ...- . ... / ... .... .- .-.. .-.. / -. --- - / .--. . .-. .. ... ....", "ciphertext": "..-. --- .-. / --. --- -.. / ... --- / .-.. --- ...- . -.. / - .... . / .-- --- .-. .-.. -.. / - .... .- - / .... . / --. .- ...- . / .... .. ... / --- -. .-.. -.-- / ... --- -. / - .... .- - / .-- .... --- . ...- . .-. / -... . .-.. .. . ...- . ... / ... .... .- .-.. .-.. / -. --- - / .--. . .-. .. ... ....", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 219, "length": 309, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0461", "text": "DMOZNDAIGTLNRBJGYAOQXXXCWDXFSEVZRXKCTCDMCIQHHQCJUBKPRJPDCQURSNWDFYEOGWTCDMFJMRAH", "ciphertext": "DMOZNDAIGTLNRBJGYAOQXXXCWDXFSEVZRXKCTCDMCIQHHQCJUBKPRJPDCQURSNWDFYEOGWTCDMFJMRAH", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005463", "text": "AEUPTPGETOASISCSEREMSXENTDAYTRBACSXXSRNYOALDSSYAX", "ciphertext": "AEUPTPGETOASISCSEREMSXENTDAYTRBACSXXSRNYOALDSSYAX", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 7}, "difficulty": "medium", "language": "en", "text_length": 49, "length": 49, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "vic-069", "text": "4864859581875048986465", "ciphertext": "4864859581875048986465", "plaintext": "ENEMY FORCES NEAR", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-de-087", "text": "KHZ PZA UPJOA UBY UPJOA YPJOAPN LZ PZA UPJOA LPUTHS MHSZJO", "ciphertext": "KHZ PZA UPJOA UBY UPJOA YPJOAPN LZ PZA UPJOA LPUTHS MHSZJO", "plaintext": "DAS IST NICHT NUR NICHT RICHTIG ES IST NICHT EINMAL FALSCH", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 7}, "difficulty": "beginner", "language": "de", "text_length": 48, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rot13-de-022", "text": "JVE JREQRA XNZCSRA HAQ JVE JREQRA FVRTRA", "ciphertext": "JVE JREQRA XNZCSRA HAQ JVE JREQRA FVRTRA", "plaintext": "WIR WERDEN KAMPFEN UND WIR WERDEN SIEGEN", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "de", "text_length": 34, "length": 40, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0440", "text": "YRHPNBHQCMFCKRBKJXRLWLSAZYCVTRCFNLCJYOGADMXBNMVRVCVBHZZFTMIRQIYRZMJQVGGOBPDQP", "ciphertext": "YRHPNBHQCMFCKRBKJXRLWLSAZYCVTRCFNLCJYOGADMXBNMVRVCVBHZZFTMIRQIYRZMJQVGGOBPDQP", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0063", "text": "XOXIYHMEJJDKGTKJRSGUTEHHQGPQHWLSYLKHUQUWBZQULFSBUWOQTMUJYSXIFVTDKBVGMXISXMLNV", "ciphertext": "XOXIYHMEJJDKGTKJRSGUTEHHQGPQHWLSYLKHUQUWBZQULFSBUWOQTMUJYSXIFVTDKBVGMXISXMLNV", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0702", "text": "QAI TIJT TOLM JGGLWP JEIKQP QL IXSAJKEI BKCLOHJQBLK WBQALRQ HIIQBKE CJSI QL CJSI BK MRUGBS", "ciphertext": "QAI TIJT TOLM JGGLWP JEIKQP QL IXSAJKEI BKCLOHJQBLK WBQALRQ HIIQBKE CJSI QL CJSI BK MRUGBS", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "beginner", "language": "en", "text_length": 76, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011602", "text": "EZBESGMLZTVGCQAXAMFFTMPYVRFXILVKTRXWHMMASLLOCUZHCMMNJGG", "ciphertext": "EZBESGMLZTVGCQAXAMFFTMPYVRFXILVKTRXWHMMASLLOCUZHCMMNJGG", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "autokey", "cipher": "autokey", "key": {"primer": "LIBRARY"}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "kryptos-233", "text": "KKATSAGTFZNFNQVZIIHDJYIIQPHUAFYUIUYMJBGMZFINDILHHZDIEGHJHDVY", "ciphertext": "KKATSAGTFZNFNQVZIIHDJYIIQPHUAFYUIUYMJBGMZFINDILHHZDIEGHJHDVY", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v3-1317", "text": "JEPGAR KXICPNCJ BHEB IDCQACI CNKFNC BHPKUOH REBUPEF ICFCQBAKR KNCP NEIB IDERI KV OCKFKOAQ BAYC", "ciphertext": "JEPGAR KXICPNCJ BHEB IDCQACI CNKFNC BHPKUOH REBUPEF ICFCQBAKR KNCP NEIB IDERI KV OCKFKOAQ BAYC", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 19, "b": 4}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014632", "text": "11.11.14 11.48.9 1.12.7 15.10.10 20.8.5 11.31.4 19.21.13 1.5.9 18.14.9 19.17.12 3.3.15 6.40.9 11.29.14 17.16.2 9.35.10 3.17.11 1.39.5 6.46.10 3.7.5 2.30.1 9.16.3 16.27.13 11.15.12 9.13.11 14.45.2 2.49.4 1.13.5 4.9.11 6.48.13 3.10.14 19.34.15 13.25.7 13.30.10 2.18.14 4.1.13 18.46.3 8.3.12 20.45.6 19.50.14 14.42.14 9.31.7 16.16.14 10.46.11 10.27.13 7.11.3 4.30.12 3.18.9 17.11.6 11.15.14 19.24.1 5.10.7 10.4.2 1.15.10 12.18.14 10.8.2 7.49.14 6.13.9 10.12.6 1.29.1 6.34.2 16.4.8 15.40.7 20.3.3 7.11.10 4.44.6 3.5.13 5.12.2 14.46.14 5.37.1 5.22.12 17.38.15 2.5.7 1.44.10 16.34.4 20.2.5 19.25.2 19.31.2 3.39.14 17.42.9 1.33.10 10.29.6 2.1.11 6.4.14 2.36.1 16.13.14 9.25.12 8.27.15 19.43.2 19.17.1 19.33.15 5.36.1 8.8.15 19.36.8 15.1.13 11.17.13 16.29.8", "ciphertext": "11.11.14 11.48.9 1.12.7 15.10.10 20.8.5 11.31.4 19.21.13 1.5.9 18.14.9 19.17.12 3.3.15 6.40.9 11.29.14 17.16.2 9.35.10 3.17.11 1.39.5 6.46.10 3.7.5 2.30.1 9.16.3 16.27.13 11.15.12 9.13.11 14.45.2 2.49.4 1.13.5 4.9.11 6.48.13 3.10.14 19.34.15 13.25.7 13.30.10 2.18.14 4.1.13 18.46.3 8.3.12 20.45.6 19.50.14 14.42.14 9.31.7 16.16.14 10.46.11 10.27.13 7.11.3 4.30.12 3.18.9 17.11.6 11.15.14 19.24.1 5.10.7 10.4.2 1.15.10 12.18.14 10.8.2 7.49.14 6.13.9 10.12.6 1.29.1 6.34.2 16.4.8 15.40.7 20.3.3 7.11.10 4.44.6 3.5.13 5.12.2 14.46.14 5.37.1 5.22.12 17.38.15 2.5.7 1.44.10 16.34.4 20.2.5 19.25.2 19.31.2 3.39.14 17.42.9 1.33.10 10.29.6 2.1.11 6.4.14 2.36.1 16.13.14 9.25.12 8.27.15 19.43.2 19.17.1 19.33.15 5.36.1 8.8.15 19.36.8 15.1.13 11.17.13 16.29.8", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "porta-v2-0098", "text": "RNSNQNLGYYFRWNGBNNJRAKNNCRKAFETIYIXISRPQNNBEYBAUBFQCDKXCHCCKIHLQTJNBTRTJRVVMTJ", "ciphertext": "RNSNQNLGYYFRWNGBNNJRAKNNCRKAFETIYIXISRPQNNBEYBAUBFQCDKXCHCCKIHLQTJNBTRTJRVVMTJ", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NAPLES"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0011", "text": "1421 0012 1255 0408 0285 1421 0012 0156 1187 1503 0538 1255 0285 0219", "ciphertext": "1421 0012 1255 0408 0285 1421 0012 0156 1187 1503 0538 1255 0285 0219", "plaintext": "TARGET ACQUIRED", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0085", "text": "SZYGWSBGCGYHSWPGYFYFOPADKMMPAYLIYPQSRBDEBVFGKGKGEHOGDNRUSFCZBCMZQICBQWKVCRIFI", "ciphertext": "SZYGWSBGCGYHSWPGYFYFOPADKMMPAYLIYPQSRBDEBVFGKGKGEHOGDNRUSFCZBCMZQICBQWKVCRIFI", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015721", "text": "ROUT ECIP HERS READ AGRI DINA ZRES CRIB EDGE OMEZ RICP ATTE RZOB SERV ABLX EVID ENCE COME SBEF OREC ONFI DENC EC", "ciphertext": "ROUT ECIP HERS READ AGRI DINA ZRES CRIB EDGE OMEZ RICP ATTE RZOB SERV ABLX EVID ENCE COME SBEF OREC ONFI DENC EC", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "playfair-223", "text": "YIKUGYFKGYDKLKDKWYYDZKDABFMEKCYIRVZCYUKDWYCECECHFZKZGYHFKCWKGHECLKFKGYYDFKILMZGYSCDAPCUGVFKGZGGSONMZGYDKKLVFYOKCGCDPRUGYKVPHUROYIZFZGYDKGQ", "ciphertext": "YIKUGYFKGYDKLKDKWYYDZKDABFMEKCYIRVZCYUKDWYCECECHFZKZGYHFKCWKGHECLKFKGYYDFKILMZGYSCDAPCUGVFKGZGGSONMZGYDKKLVFYOKCGCDPRUGYKVPHUROYIZFZGYDKGQ", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 138, "length": 138, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v2-0157", "text": "09910 09993 09902 09997 09910 09997 09992 09997 09910 09997 09991 09997", "ciphertext": "09910 09993 09902 09997 09910 09997 09992 09997 09910 09997 09991 09997", "plaintext": "VENI VIDI VICI", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0528", "text": "CKEZFOQXRBQCLOSDIATUKFXBIARXIMQLFRRDDWGZRFDQKFODRDKUDFRFQOKQICLOIGQLGU", "ciphertext": "CKEZFOQXRBQCLOSDIATUKFXBIARXIMQLFRRDDWGZRFDQKFODRDKUDFRFQOKQICLOIGQLGU", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "arnold-andre-025", "text": "13.1.1 14.4.4 14.2.4 14.3.2 14.1.5 14.3.4 14.1.3 14.1.5 15.1.1 13.1.1 14.2.4 14.4.4 15.1.1 13.1.1 14.2.2 14.3.5 14.3.2 14.1.4 14.1.5 14.3.4 15.1.1", "ciphertext": "13.1.1 14.4.4 14.2.4 14.3.2 14.1.5 14.3.4 14.1.3 14.1.5 15.1.1 13.1.1 14.2.4 14.4.4 15.1.1 13.1.1 14.2.2 14.3.5 14.3.2 14.1.4 14.1.5 14.3.4 15.1.1", "plaintext": "SILENCE IS GOLDEN", "label": "arnold_andre", "cipher": "arnold_andre", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 126, "length": 146, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "morse-code-v3-0101", "text": ".. -. / - .... . / ... . ...- . -. - . . -. - .... / -.-. . -. - ..- .-. -.-- / .. ... .- .- -.-. / -. . .-- - --- -. / ... -.-- -. - .... . ... .. --.. . -.. / - .... . / .-- --- .-. -.- / --- ..-. / -.-. --- .--. . .-. -. .. -.-. ..- ... / --. .- .-.. .. .-.. . --- / .- -. -.. / -.- . .--. .-.. . .-. / .. -. - --- / .- / ..- -. .. ..-. .. . -.. / - .... . --- .-. -.-- / --- ..-. / --. .-. .- ...- .. - .- - .. --- -. / - .... .- - / . -..- .--. .-.. .- .. -. . -.. / -... --- - .... / - .... . / ..-. .- .-.. .-.. / --- ..-. / .- .--. .--. .-.. . ... / .- -. -.. / - .... . / --- .-. -... .. - ... / --- ..-. / .--. .-.. .- -. . - ...", "ciphertext": ".. -. / - .... . / ... . ...- . -. - . . -. - .... / -.-. . -. - ..- .-. -.-- / .. ... .- .- -.-. / -. . .-- - --- -. / ... -.-- -. - .... . ... .. --.. . -.. / - .... . / .-- --- .-. -.- / --- ..-. / -.-. --- .--. . .-. -. .. -.-. ..- ... / --. .- .-.. .. .-.. . --- / .- -. -.. / -.- . .--. .-.. . .-. / .. -. - --- / .- / ..- -. .. ..-. .. . -.. / - .... . --- .-. -.-- / --- ..-. / --. .-. .- ...- .. - .- - .. --- -. / - .... .- - / . -..- .--. .-.. .- .. -. . -.. / -... --- - .... / - .... . / ..-. .- .-.. .-.. / --- ..-. / .- .--. .--. .-.. . ... / .- -. -.. / - .... . / --- .-. -... .. - ... / --- ..-. / .--. .-.. .- -. . - ...", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 445, "length": 639, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012861", "text": "HNDA AJTA UEOE XCIE HBHM SRMS ROPH ORPL JSNA BTBU KAGH TPVZ OOVE GIGE ONIW MTJM XXBZ WWXW", "ciphertext": "HNDA AJTA UEOE XCIE HBHM SRMS ROPH ORPL JSNA BTBU KAGH TPVZ OOVE GIGE ONIW MTJM XXBZ WWXW", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "red-type-a-v2-0020", "text": "IQDLONPEABSAEXFZLOBFUD", "ciphertext": "IQDLONPEABSAEXFZLOBFUD", "plaintext": "EXTRACTION POINT CHANGED", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003503", "text": "GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT NYNA GHEVAT OEBXR RAVTZN JVGU PEVOF NAQ GUR OBZOR ZNPUVAR", "ciphertext": "GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT NYNA GHEVAT OEBXR RAVTZN JVGU PEVOF NAQ GUR OBZOR ZNPUVAR", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 164, "length": 164, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "bifid-vg-0021", "text": "AHCTCTDQGHDCLOOIDDCEIPCQOPMMTCNATBTXXMFEETFPONUCTZIUVVYQVNHNZ", "ciphertext": "AHCTCTDQGHDCLOOIDDCEIPCQOPMMTCNATBTXXMFEETFPONUCTZIUVVYQVNHNZ", "plaintext": "FAITH IS THE SUBSTANCE OF THINGS HOPED FOR THE EVIDENCE OF THINGS NOT SEEN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 61, "length": 61, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0138", "text": "IINREJGKGRBPJ", "ciphertext": "IINREJGKGRBPJ", "plaintext": "E PLURIBUS UNUM", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0456", "text": "NDDLZI", "ciphertext": "NDDLZI", "plaintext": "EUREKA", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "MNO"}, "difficulty": "expert", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v3-0048", "text": "CMEVWIUDTEOASGSLEAAALERROEHANCEDITLNMSLLMSAIGYILSANEAWIPNGOEIMODRTOBEXXTOUHEHNESHYEOCOLUHX", "ciphertext": "CMEVWIUDTEOASGSLEAAALERROEHANCEDITLNMSLLMSAIGYILSANEAWIPNGOEIMODRTOBEXXTOUHEHNESHYEOCOLUHX", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 90, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-101", "text": "207126282972744207276299602992872676020282229232967629921972744207276299020282229", "ciphertext": "207126282972744207276299602992872676020282229232967629921972744207276299020282229", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "CIPHERMUS"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0007795", "text": "PBYHZANE GENAFCBFVGVBA ERNQF PBYHZAF VA XRL BEQRE CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU TBBQ RQHPNGVBANY GBBYF RKCYNVA GURVE YVZVGF OEHGR SBEPR JBEXF BAYL JURA GUR XRL FCNPR VF FZNYY", "ciphertext": "PBYHZANE GENAFCBFVGVBA ERNQF PBYHZAF VA XRL BEQRE CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU TBBQ RQHPNGVBANY GBBYF RKCYNVA GURVE YVZVGF OEHGR SBEPR JBEXF BAYL JURA GUR XRL FCNPR VF FZNYY", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 166, "length": 166, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0099", "text": "TUECSITVAMCLLSABIEALEOASMNOGARNEASMAROTETTARMNOCRTLAIENSCCEEIRPUTBPIERIAI", "ciphertext": "TUECSITVAMCLLSABIEALEOASMNOGARNEASMAROTETTARMNOCRTLAIENSCCEEIRPUTBPIERIAI", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-272", "text": "NQIHVGOQSZNQIHQMFQCNQMHNPNTNRNQUKGQMGINDTOQRPGBRONKGEDTI", "ciphertext": "NQIHVGOQSZNQIHQMFQCNQMHNPNTNRNQUKGQMGINDTOQRPGBRONKGEDTI", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PLAYFAIR"}, "difficulty": "intermediate", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v2-0167", "text": "LDKXWTLNDJXCXJZATJ7A6FDCKUA4GPBRVLW7PFEAQLMISX7Y3", "ciphertext": "LDKXWTLNDJXCXJZATJ7A6FDCKUA4GPBRVLW7PFEAQLMISX7Y3", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020828", "text": "68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 11 50 76 76 50 82 68 29 11 36 82 57 57 77 68 29 50 29 66 80 69 11 59 52 82 11 65 59 20 57 50 52 55 82 43 52 80 43 65 66 69 25 80 68 65 36 43 50 29 29 50 29 82 66 82 82 29 61 82 95 82 29 66 43 61 50 73", "ciphertext": "68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 11 50 76 76 50 82 68 29 11 36 82 57 57 77 68 29 50 29 66 80 69 11 59 52 82 11 65 59 20 57 50 52 55 82 43 52 80 43 65 66 69 25 80 68 65 36 43 50 29 29 50 29 82 66 82 82 29 61 82 95 82 29 66 43 61 50 73", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 112, "length": 112, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0153", "text": "180 142 157 179 143 154 166 153 167 148 174", "ciphertext": "180 142 157 179 143 154 166 153 167 148 174", "plaintext": "HONOR ABOVE ALL", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 33, "length": 43, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0174", "text": "AIVWEUPMHVNDGVRMEAYWXHPNACWDAMJFUYKTMMMUINXEGMDUNOYZDDOFUOQQWQNKQCOCWQQBPH", "ciphertext": "AIVWEUPMHVNDGVRMEAYWXHPNACWDAMJFUYKTMMMUINXEGMDUNOYZDDOFUOQQWQNKQCOCWQQBPH", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0200", "text": "H5 G3 U2 Z4 E8 O3 O4 G4 F0 G3 C7 N2 K4 P5 C0 E0 D5 B4 S7 W1 R0 I1 G3 P7 B7 V8 L5 G3 O0 M8 Q8 D6 I5 N6 Q3 M2 R3 A3 Q2 L5 O0 E8 G3 C7 N2 O0 M9 A4 O4 D5 E6 L8 X6 K8 K1 V2 K7 E8 N3 R3 G6 O4 Q2 G6 K4 D5 O2 C0 U3 K1 X6 S0 O7 U3 G6 S7 Y6 U3 M7 I1 X3 S7 N9 R3 K2 E8 C7 C6 E6 Q3 Q3 P0 X6 K8 E8 L2 C6 E6 I3 N9 F7 E1 H1 L8 O4 K7 I1 F0 B4 K1 Z4 P8 O1 S8 Q4 X6 G6 E1 N2 O1 F1 L7 I1 P8 Q3 E8 O4 I1 V2 I3 Q2 G7 P8 L7 K1 V2 S7 V8 J0 G7 M2 P2 Q2 H4 I1 O0 Q8 E4 L8 U2 O0 G0 Y8 O0 P2 B6 I3 E5 G3 G5 E0 W1 M9 U2 M9", "ciphertext": "H5 G3 U2 Z4 E8 O3 O4 G4 F0 G3 C7 N2 K4 P5 C0 E0 D5 B4 S7 W1 R0 I1 G3 P7 B7 V8 L5 G3 O0 M8 Q8 D6 I5 N6 Q3 M2 R3 A3 Q2 L5 O0 E8 G3 C7 N2 O0 M9 A4 O4 D5 E6 L8 X6 K8 K1 V2 K7 E8 N3 R3 G6 O4 Q2 G6 K4 D5 O2 C0 U3 K1 X6 S0 O7 U3 G6 S7 Y6 U3 M7 I1 X3 S7 N9 R3 K2 E8 C7 C6 E6 Q3 Q3 P0 X6 K8 E8 L2 C6 E6 I3 N9 F7 E1 H1 L8 O4 K7 I1 F0 B4 K1 Z4 P8 O1 S8 Q4 X6 G6 E1 N2 O1 F1 L7 I1 P8 Q3 E8 O4 I1 V2 I3 Q2 G7 P8 L7 K1 V2 S7 V8 J0 G7 M2 P2 Q2 H4 I1 O0 Q8 E4 L8 U2 O0 G0 Y8 O0 P2 B6 I3 E5 G3 G5 E0 W1 M9 U2 M9", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 330, "length": 494, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014512", "text": "JMIHSWLUREZNPCVASPHBEINXTSNIADOWSLPVNGCYKQAVEXPMTKWRFASNGZPAFDSDXDBVINYMMKWEYLMIDFXVDFSCVGVXAHGJZTHXDGUILVMEEEWJWMXQEWALLHBBHFYTLMPKYTBABDPHETW", "ciphertext": "JMIHSWLUREZNPCVASPHBEINXTSNIADOWSLPVNGCYKQAVEXPMTKWRFASNGZPAFDSDXDBVINYMMKWEYLMIDFXVDFSCVGVXAHGJZTHXDGUILVMEEEWJWMXQEWALLHBBHFYTLMPKYTBABDPHETW", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ALWAYS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 143, "length": 143, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "red-type-a-v2-0069", "text": "ELLUUXATOJENHAWJWRJUOHOGNYJUABYBLAGIVCIIWOTXHUOLOATUNNOCEOSYOEVXREJAVAAWZAGU", "ciphertext": "ELLUUXATOJENHAWJWRJUOHOGNYJUABYBLAGIVCIIWOTXHUOLOATUNNOCEOSYOEVXREJAVAAWZAGU", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-134", "text": "YWMXYFPBDLSKFURW", "ciphertext": "YWMXYFPBDLSKFURW", "plaintext": "ALL IS LOST RETREAT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0013", "text": "STAYTHECOURSE", "ciphertext": "STAYTHECOURSE", "plaintext": "STAY THE COURSE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006103", "text": "PESLSFUHEUTOLISAILLFLECYACMPTYXSHUILPPLACXXABTHHAEIERXXETPRB", "ciphertext": "PESLSFUHEUTOLISAILLFLECYACMPTYXSHUILPPLACXXABTHHAEIERXXETPRB", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CAREFULLY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 10}, "difficulty": "medium", "language": "en", "text_length": 60, "length": 60, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "rail-fence-v3-0224", "text": "ASRLCLHAEWRESHTTO", "ciphertext": "ASRLCLHAEWRESHTTO", "plaintext": "ARCHERS TO THE WALLS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v2-0094", "text": "ZUZUZ DAZUZ SAZUZ FAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ ZAZUZ WAZUZ BAZUZ RAZUZ XAZUZ QAZUZ LAZUZ XAZUZ XAZUZ LAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ FAZUZ LAZUZ DAZUZ BAZUZ ZAZUZ GAZUZ XAZUZ XUZUZ ZUZUZ GAZUZ RAZUZ GAZUZ QAZUZ GEZUZ XUZUZ ZUZUZ HAZUZ SAZUZ WAZUZ DAZUZ GAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ XAZUZ XAZUZ GAZUZ QAZUZ CAZUZ PAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ BAZUZ PAZUZ SAZUZ RAZUZ JAZUZ XUZUZ BABAB ZUZUZ CAZUZ SAZUZ WAZUZ FAZUZ GAZUZ WAZUZ XUZUZ MABAB ZUZUZ KAZUZ GAZUZ BAZUZ CEZUZ GEZUZ XUZUZ ZUZUZ BAZUZ WAZUZ ZAZUZ LAZUZ PAZUZ PAZUZ GAZUZ WAZUZ GEZUZ XUZUZ ZUZUZ BEZUZ RAZUZ LAZUZ ZAZUZ XAZUZ XUZUZ", "ciphertext": "ZUZUZ DAZUZ SAZUZ FAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ ZAZUZ WAZUZ BAZUZ RAZUZ XAZUZ QAZUZ LAZUZ XAZUZ XAZUZ LAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ FAZUZ LAZUZ DAZUZ BAZUZ ZAZUZ GAZUZ XAZUZ XUZUZ ZUZUZ GAZUZ RAZUZ GAZUZ QAZUZ GEZUZ XUZUZ ZUZUZ HAZUZ SAZUZ WAZUZ DAZUZ GAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ XAZUZ XAZUZ GAZUZ QAZUZ CAZUZ PAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ BAZUZ PAZUZ SAZUZ RAZUZ JAZUZ XUZUZ BABAB ZUZUZ CAZUZ SAZUZ WAZUZ FAZUZ GAZUZ WAZUZ XUZUZ MABAB ZUZUZ KAZUZ GAZUZ BAZUZ CEZUZ GEZUZ XUZUZ ZUZUZ BAZUZ WAZUZ ZAZUZ LAZUZ PAZUZ PAZUZ GAZUZ WAZUZ GEZUZ XUZUZ ZUZUZ BEZUZ RAZUZ LAZUZ ZAZUZ XAZUZ XUZUZ", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 505, "length": 605, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "voynich-render-v2-0013", "text": "xgou gcd yizqxd", "ciphertext": "xgou gcd yizqxd", "plaintext": "STAY THE COURSE", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002959", "text": "ERTUN OTYNA DTRLY ELLTP GUEIC CSTTC TYENT SIIRB EUIHF RSETT YXEBB EHFLP BRRYO NURON ANPOF SHEEI SRLRX XSOAL LRTET RKTMD CPYEI OIEEI RTELI TCCXX AKONC NESTQ NODSR METTE NBUUM RTIEE SRXXE ONAPL TATEY IRRAA SIINS LNIPO EHRCF FXXUL RAETA EOCEN EBNU", "ciphertext": "ERTUN OTYNA DTRLY ELLTP GUEIC CSTTC TYENT SIIRB EUIHF RSETT YXEBB EHFLP BRRYO NURON ANPOF SHEEI SRLRX XSOAL LRTET RKTMD CPYEI OIEEI RTELI TCCXX AKONC NESTQ NODSR METTE NBUUM RTIEE SRXXE ONAPL TATEY IRRAA SIINS LNIPO EHRCF FXXUL RAETA EOCEN EBNU", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS CAREFULLY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 12}, "difficulty": "hard", "language": "en", "text_length": 204, "length": 204, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "purple-v2-0193", "text": "EVYZSRJVRCNGMBIHINLPUNQISFNZSTEHIYNHWQLOCROTUJBIBBPISHRYVJSUFGJDAWUKXFHINDR", "ciphertext": "EVYZSRJVRCNGMBIHINLPUNQISFNZSTEHIYNHWQLOCROTUJBIBBPISHRYVJSUFGJDAWUKXFHINDR", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015441", "text": "┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─ K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· Γ ┘· X· ¬ └ L K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ⌐ ┐· ┐· └ Γ· L X r ┘· └ X· ┌ ─ ⌐ ┌· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K ⌒ Γ· r L K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ⌐ r r· └ L K K L ┌·", "ciphertext": "┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─ K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· Γ ┘· X· ¬ └ L K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ⌐ ┐· ┐· └ Γ· L X r ┘· └ X· ┌ ─ ⌐ ┌· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K ⌒ Γ· r L K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ⌐ r r· └ L K K L ┌·", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "hard", "language": "en", "text_length": 95, "length": 95, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v3-0775", "text": "TILWTNISAEIFRVYLHGNSFMNAANLODINEFNEOIUEAEALPIOUWWIHSKGAMSNTTNFSUANESASOUBTETTRCDTEOORSAI", "ciphertext": "TILWTNISAEIFRVYLHGNSFMNAANLODINEFNEOIUEAEALPIOUWWIHSKGAMSNTTNFSUANESASOUBTETTRCDTEOORSAI", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002426", "text": "AROGH ABATA HRISW BPSLS UANST HHRIN EOOTP ASRAO FHIOW GYERW CONCM KILAN EARDM HOERP RIPUA ASPEL TAOUW AGXSI LORRO NOEIB SOTAT ECSIB TIWEG NTBNI BHENQ INSPH LAELD SOGAE LDTOX XNSSS NNATT ICTLY THDCP UEMES TIRU", "ciphertext": "AROGH ABATA HRISW BPSLS UANST HHRIN EOOTP ASRAO FHIOW GYERW CONCM KILAN EARDM HOERP RIPUA ASPEL TAOUW AGXSI LORRO NOEIB SOTAT ECSIB TIWEG NTBNI BHENQ INSPH LAELD SOGAE LDTOX XNSSS NNATT ICTLY THDCP UEMES TIRU", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS FAIL CLOSED IS A POSTURE NOT A SLOGAN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "kl7-v2-0480", "text": "UXEFZCKHQSRPXHVSLATQKEHMHIEQDLVHCYAHSMXBGWXSVSCTGTHMOPAKKTBRLPYBOLFTBRTTRD", "ciphertext": "UXEFZCKHQSRPXHVSLATQKEHMHIEQDLVHCYAHSMXBGWXSVSCTGTHMOPAKKTBRLPYBOLFTBRTTRD", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014832", "text": "68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61 20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82", "ciphertext": "68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61 20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 162, "length": 162, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "adfgx-v3-0057", "text": "GFXXXDDGGDFGXFFXDFGDXDXAGGADFAGDGGAAGFGGFAGXGAGFDGXGGFFFFGGFFXXGXFDFDAXGDDADXGDFGFGGDDAFDGDDADFXGGDFGGAFFAGGAGGGGGFFAGDAGFDXAGXXXADFDXGFXGXGXXFFXXAX", "ciphertext": "GFXXXDDGGDFGXFFXDFGDXDXAGGADFAGDGGAAGFGGFAGXGAGFDGXGGFFFFGGFFXXGXFDFDAXGDDADXGDFGFGGDDAFDGDDADFXGGDFGGAFFAGGAGGGGGFFAGDAGFDXAGXXXADFDXGFXGXGXXFFXXAX", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-es-005", "text": "TSSSANNRILNNDROOOLSEEHMNSAELBEEGAEEDGIAYEEHSDORUOCISUSIDDC", "ciphertext": "TSSSANNRILNNDROOOLSEEHMNSAELBEEGAEEDGIAYEEHSDORUOCISUSIDDC", "plaintext": "TODOS LOS SERES HUMANOS NACEN LIBRES E IGUALES EN DIGNIDAD Y DERECHOS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 3}, "difficulty": "intermediate", "language": "es", "text_length": 58, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "joseon-yeokhak-v2-0423", "text": "LZAKSTGNWSDDLGLZAFWGOFKWDXTWLJMWSFVALEMKLXGDDGOSKFAYZLLZWVSQ", "ciphertext": "LZAKSTGNWSDDLGLZAFWGOFKWDXTWLJMWSFVALEMKLXGDDGOSKFAYZLLZWVSQ", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0471", "text": "JVGSAATRIPXJALUXTRTEAGSKVPPEDQWRCGDQEQSSHPWNELSMJWMCMSFEEVVGEESDEDPVVESCSDQQSDEQARSGJXEAB", "ciphertext": "JVGSAATRIPXJALUXTRTEAGSKVPPEDQWRCGDQEQSSHPWNELSMJWMCMSFEEVVGEESDEDPVVESCSDQQSDEQARSGJXEAB", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 89, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-116", "text": "EQFRXIWJTVQTBDTBZALOCYVNPGQAKETDESTDTBBMXQZNNCTMWODZFNEGNMSLDSNPCDNVVYVVUQTSVRGXVNFSLDNFDMPFCVXHVYKHHACKQJLJCIRFFBOXGAEHGZKPQUNLLMPWQDHJFQYMPOPFFGIFQ", "ciphertext": "EQFRXIWJTVQTBDTBZALOCYVNPGQAKETDESTDTBBMXQZNNCTMWODZFNEGNMSLDSNPCDNVVYVVUQTSVRGXVNFSLDNFDMPFCVXHVYKHHACKQJLJCIRFFBOXGAEHGZKPQUNLLMPWQDHJFQYMPOPFFGIFQ", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 149, "length": 149, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v3-0369", "text": "JPVNWWRXKGEQACBHQQCJXXWNPPKUZMPZXHSFTTPPJUZZXZZDSTLJQYDCVZAQZMELVORCTZJ", "ciphertext": "JPVNWWRXKGEQACBHQQCJXXWNPPKUZMPZXHSFTTPPJUZZXZZDSTLJQYDCVZAQZMELVORCTZJ", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0007", "text": "KULQQKMUVDLHYX", "ciphertext": "KULQQKMUVDLHYX", "plaintext": "SIGNAL FIRES LIT", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-032", "text": "LAUAP GLSAPPTNS XMTP ALAKX VFAL FA GQ KZIGLD Z KGQSZIA", "ciphertext": "LAUAP GLSAPPTNS XMTP ALAKX VFAL FA GQ KZIGLD Z KGQSZIA", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ZEBRA"}, "difficulty": "beginner", "language": "en", "text_length": 45, "length": 54, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-028", "text": "AAXDDXAAFXDDXFAGDXXXXXAFXAXDDG", "ciphertext": "AAXDDXAAFXDDXFAGDXXXXXAFXAXDDG", "plaintext": "EVACUATE THE BASE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PRIVACY", "columnar": "GERMAN"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0006771", "text": "FSOOANSOCIDSOOEETIRNWOOENONPANTSEAIDTACRORLKRULIDIONFENSROEUESTOSUILCSRLLRIAMYPCADNIXXCTELEEONDTAUOEALOPNGMNISSRNTLPVAX", "ciphertext": "FSOOANSOCIDSOOEETIRNWOOENONPANTSEAIDTACRORLKRULIDIONFENSROEUESTOSUILCSRLLRIAMYPCADNIXXCTELEEONDTAUOEALOPNGMNISSRNTLPVAX", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 7}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "kryha-v2-0253", "text": "ETRZWAXMOSDY", "ciphertext": "ETRZWAXMOSDY", "plaintext": "THE DIE IS CAST", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0478", "text": "BPM JIBBTM WN JZQBIQV ZIOML QV BPM ASQMA IJWDM MVOTIVL NWZ NWCZ UWVBPA QV VQVMBMMV NWZBG", "ciphertext": "BPM JIBBTM WN JZQBIQV ZIOML QV BPM ASQMA IJWDM MVOTIVL NWZ NWCZ UWVBPA QV VQVMBMMV NWZBG", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 8}, "difficulty": "beginner", "language": "en", "text_length": 73, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0039", "text": "SGEEZMAUDNLOSLMNGCRKSX", "ciphertext": "SGEEZMAUDNLOSLMNGCRKSX", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0614", "text": "GADDFAGDFFAAFAGFDFXGXDXXFGFAGXDXAGGAAAAADD", "ciphertext": "GADDFAGDFFAAFAGFDFXGXDXXFGFAGXDXAGGAAAAADD", "plaintext": "PATIENCE BRINGS VICTORY", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0497", "text": "OQQROVUBYVRVMEZRFIPWIQHYMPFHOTBTHRUBFTVBZWIGKERXPPPQCDXBVLAXAHXZWWVGGBPCTAHGCZTYUXUBSSLCUOHNKCFMPSUVQWRVEYJTYRJMJVWUQYKFGCYNCBCDYVNBGXOGTHDWAFLYMJYOMBXKJLTRMFSFTPGNWCZZTILQLHR", "ciphertext": "OQQROVUBYVRVMEZRFIPWIQHYMPFHOTBTHRUBFTVBZWIGKERXPPPQCDXBVLAXAHXZWWVGGBPCTAHGCZTYUXUBSSLCUOHNKCFMPSUVQWRVEYJTYRJMJVWUQYKFGCYNCBCDYVNBGXOGTHDWAFLYMJYOMBXKJLTRMFSFTPGNWCZZTILQLHR", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "JKL"}, "difficulty": "expert", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0491", "text": "FEOLGPMHVPETRHNTXEPPJHIZAQZFSBXNNLGYUMARRUSBXIRCQTIZLXTNAKAALZLSBXRNWFFIQAYMYSQFANEGGRNSYMUYUKLKXQAXANJGSSUNKAPYUQIXNRNLQUQMCUTUHROLLFIKSZFEUHKAYMHHVBNNTNUEBBTLLSBXZJPNI", "ciphertext": "FEOLGPMHVPETRHNTXEPPJHIZAQZFSBXNNLGYUMARRUSBXIRCQTIZLXTNAKAALZLSBXRNWFFIQAYMYSQFANEGGRNSYMUYUKLKXQAXANJGSSUNKAPYUQIXNRNLQUQMCUTUHROLLFIKSZFEUHKAYMHHVBNNTNUEBBTLLSBXZJPNI", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004697", "text": "CBYLOVHF RAPBQRQ YRGGREF NF CNVEF BS AHZOREF SEBZ BAR GB SVIR FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL", "ciphertext": "CBYLOVHF RAPBQRQ YRGGREF NF CNVEF BS AHZOREF SEBZ BAR GB SVIR FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0009295", "text": "BYWVLQKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETLSXRRPZPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRGSABLRRCMBFPLUSVHJPSLBJPCSUNXZGUBHTTLQBRWCGBH", "ciphertext": "BYWVLQKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETLSXRRPZPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRGSABLRRCMBFPLUSVHJPSLBJPCSUNXZGUBHTTLQBRWCGBH", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH A TRANSPARENT TOOL SHOULD SHOW ITS REASONING A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "vic-v2-0067", "text": "838691080580828386868386828217689804918079108008049380864867910808048991048677489848680909034909287186910808146801817808087", "ciphertext": "838691080580828386868386828217689804918079108008049380864867910808048991048677489848680909034909287186910808146801817808087", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 123, "length": 123, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009609", "text": "QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF GBZBEEBJ", "ciphertext": "QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF GBZBEEBJ", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS TOMORROW", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "affine-v2-1189", "text": "JOLN HM WHOKIBOW GTOXTWTJ ZVOOBWQBOZ JK JSSHLJKKHC FHVOKIHVZB KIB RJO TW KIB BJZK TZ HGBO", "ciphertext": "JOLN HM WHOKIBOW GTOXTWTJ ZVOOBWQBOZ JK JSSHLJKKHC FHVOKIHVZB KIB RJO TW KIB BJZK TZ HGBO", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 11, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 75, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016727", "text": "BAABA AABBB AABAA BAABA BAAAA ABAAA BAABA AABBB AABAA ABABB ABAAA BAABB BAAAB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAAAA AAABB BAABB AAAAA ABBAA AAABA AABAA BAAAB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA ABBAB ABBAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA AAAAA ABBAA AAAAA AABAB AABAB ABAAA ABBAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AAAAA ABBBA ABBBA ABABA ABAAA AABAA BAAAB AAAAA ABABA ABAAA ABBAA AABAA AAAAA BAAAA AABAB BAABB ABBAA AAABA BAABA ABAAA ABBAB ABBAA BAABA ABBAB AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA", "ciphertext": "BAABA AABBB AABAA BAABA BAAAA ABAAA BAABA AABBB AABAA ABABB ABAAA BAABB BAAAB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAAAA AAABB BAABB AAAAA ABBAA AAABA AABAA BAAAB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA ABBAB ABBAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA AAAAA ABBAA AAAAA AABAB AABAB ABAAA ABBAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AAAAA ABBBA ABBBA ABABA ABAAA AABAA BAAAB AAAAA ABABA ABAAA ABBAA AABAA AAAAA BAAAA AABAB BAABB ABBAA AAABA BAABA ABAAA ABBAB ABBAA BAABA ABBAB AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 545, "length": 545, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "bifid-123", "text": "DSBPQSUAZOPTX", "ciphertext": "DSBPQSUAZOPTX", "plaintext": "CHANGE OF PLANS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v3-0457", "text": "MKALZDIZAEPWVVFEMSVVU", "ciphertext": "MKALZDIZAEPWVVFEMSVVU", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0002", "text": "LEUZHNHAZYWUMAIOWUWQNOL", "ciphertext": "LEUZHNHAZYWUMAIOWUWQNOL", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NELSON"}, "difficulty": "intermediate", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0216", "text": "OUELJSQXRMSSMTMK", "ciphertext": "OUELJSQXRMSSMTMK", "plaintext": "THE SENATE DECREES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0178", "text": "TMFXMMNTBKSUZCWEKGYTXSJNNZSPTEAXTFGXEQYGVPSGFMHJOYKOHVPLUGZMFFEYEXLOVBYH", "ciphertext": "TMFXMMNTBKSUZCWEKGYTXSJNNZSPTEAXTFGXEQYGVPSGFMHJOYKOHVPLUGZMFFEYEXLOVBYH", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-091", "text": "XAXADAXGADGXGXADAGFGAAAFGAGGDGGDFGFFDFADAXFDADAGAXADAAGFDDGAFGGGDFGXFAXGFDGGAGDGDAGA", "ciphertext": "XAXADAXGADGXGXADAGFGAAAFGAGGDGGDFGFFDFADAXFDADAGAXADAAGFDDGAFGGGDFGXFAXGFDGGAGDGDAGA", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v2-1076", "text": "JBWBXKULXNEGBDJPZDZWPQGKSWXPZUETSFABJNTSFWIKYYZAXMHWQZXWKBJMUMSPSRVKDSLXJHVA", "ciphertext": "JBWBXKULXNEGBDJPZDZWPQGKSWXPZUETSFABJNTSFWIKYYZAXMHWQZXWKBJMUMSPSRVKDSLXJHVA", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-vi-0119", "text": "OTDSAYCOTSDAPCELNNELREENLEIHAAIREULBELLRELWDIJEGNETPJNRYGAIYNSIOOEIOAASOTEEVTE", "ciphertext": "OTDSAYCOTSDAPCELNNELREENLEIHAAIREULBELLRELWDIJEGNETPJNRYGAIYNSIOOEIOAASOTEEVTE", "plaintext": "REJOICE IN THE LORD ALWAYS AND AGAIN I SAY REJOICE LET YOUR GENTLENESS BE EVIDENT TO ALL PEOPLE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PYTHON"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-274", "text": "NEKYLLVWQQHMGTBXYPLQFEPGIOZIJCGIHNFNOQH", "ciphertext": "NEKYLLVWQQHMGTBXYPLQFEPGIOZIJCGIHNFNOQH", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v2-0346", "text": "TQRHHWKRNFEUAKAWBVVQLKCTXWWRRQKDTFTGWSSKWQNMTVTGLZBTZALFPFUHVNEBAOLEVTYRKBTWPVPSHVBL", "ciphertext": "TQRHHWKRNFEUAKAWBVVQLKCTXWWRRQKDTFTGWSSKWQNMTVTGLZBTZALFPFUHVNEBAOLEVTYRKBTWPVPSHVBL", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0216", "text": "UIJPOIJHIIIVNKJTDBCYXQQLYCUUGDJZQOLAQUROFHYBWUDBHDJTVUHWNOGJCTRHUBCZPUVMATCM", "ciphertext": "UIJPOIJHIIIVNKJTDBCYXQQLYCUUGDJZQOLAQUROFHYBWUDBHDJTVUHWNOGJCTRHUBCZPUVMATCM", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0083", "text": "IHPRKKAASWBNLISTISIISYTPTTBNFIPRNUNWSYACXFGABPTATKJRORISGGNIIFBXYEQKRZVRYSSIX", "ciphertext": "IHPRKKAASWBNLISTISIISYTPTTBNFIPRNUNWSYACXFGABPTATKJRORISGGNIIFBXYEQKRZVRYSSIX", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-349", "text": "BTHHTEIEEOOTTSHTLHOOTQOHNIIETAEITSRMTNESEWRBTDRBIUNEONN", "ciphertext": "BTHHTEIEEOOTTSHTLHOOTQOHNIIETAEITSRMTNESEWRBTDRBIUNEONN", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-v2-0040", "text": "55 47 86 88 38 58 65 24 86 69 48 28 43 55 67 75 55 48 35 47 89 86 56 30", "ciphertext": "55 47 86 88 38 58 65 24 86 69 48 28 43 55 67 75 55 48 35 47 89 86 56 30", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012305", "text": "20.4.8 1.4.8 8.2.6 13.2.8 4.1.2 14.1.4 3.2.9 9.3.4 10.4.8 12.1.1 6.5.8 15.2.7 2.3.3 5.2.4 15.6.7 8.4.7 17.2.2 20.3.9 5.2.8 4.5.9 12.1.7 16.5.5 6.2.10 20.4.3 12.4.3 14.3.5 20.1.7 10.6.2 7.3.10 3.3.10 7.2.6 5.1.7 2.3.2 4.5.7 6.4.9 9.1.10 20.5.7 7.4.6 7.4.2 17.3.5 1.4.6 12.3.7 6.3.5 4.5.5 13.5.4 14.6.7 7.2.4 20.6.7 1.5.9 19.5.8 9.2.10 19.5.5 1.3.3 9.6.7 4.1.9 15.6.4 2.6.4 14.1.1 16.2.7 7.4.3 4.2.9 1.1.8 11.4.9 4.5.2 19.5.4 3.6.2 11.4.6 14.5.9 16.6.2 13.1.7 15.6.4 9.2.5 11.3.8 20.1.6 1.1.5 12.4.1 15.2.3 11.4.2 12.5.6 13.2.2 10.4.3 1.3.7 19.3.8 1.6.2 5.2.5 1.6.1 8.1.2 5.6.5 5.6.9 17.5.2 2.4.10 12.3.4 4.1.4 13.2.6 2.6.7", "ciphertext": "20.4.8 1.4.8 8.2.6 13.2.8 4.1.2 14.1.4 3.2.9 9.3.4 10.4.8 12.1.1 6.5.8 15.2.7 2.3.3 5.2.4 15.6.7 8.4.7 17.2.2 20.3.9 5.2.8 4.5.9 12.1.7 16.5.5 6.2.10 20.4.3 12.4.3 14.3.5 20.1.7 10.6.2 7.3.10 3.3.10 7.2.6 5.1.7 2.3.2 4.5.7 6.4.9 9.1.10 20.5.7 7.4.6 7.4.2 17.3.5 1.4.6 12.3.7 6.3.5 4.5.5 13.5.4 14.6.7 7.2.4 20.6.7 1.5.9 19.5.8 9.2.10 19.5.5 1.3.3 9.6.7 4.1.9 15.6.4 2.6.4 14.1.1 16.2.7 7.4.3 4.2.9 1.1.8 11.4.9 4.5.2 19.5.4 3.6.2 11.4.6 14.5.9 16.6.2 13.1.7 15.6.4 9.2.5 11.3.8 20.1.6 1.1.5 12.4.1 15.2.3 11.4.2 12.5.6 13.2.2 10.4.3 1.3.7 19.3.8 1.6.2 5.2.5 1.6.1 8.1.2 5.6.5 5.6.9 17.5.2 2.4.10 12.3.4 4.1.4 13.2.6 2.6.7", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 95, "length": 95, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "typex-087", "text": "QQRVIFSFWRRU", "ciphertext": "QQRVIFSFWRRU", "plaintext": "THE TRAP IS SET", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-v3-0394", "text": "FBPJZVUWZELATJJLYAHAEATBFBRFWSEQYKFMPHRVCWZYRQRNAUKMXJAKKIBEACRLXJSVCBSXVZWDWLYKGPDZG", "ciphertext": "FBPJZVUWZELATJJLYAHAEATBFBRFWSEQYKFMPHRVCWZYRQRNAUKMXJAKKIBEACRLXJSVCBSXVZWDWLYKGPDZG", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-344", "text": "FNHQJOVDVDNAGIFSYDXXPPWLJHCPINTCISTUCQHYIGFVNNKQEQJUFPTTG", "ciphertext": "FNHQJOVDVDNAGIFSYDXXPPWLJHCPINTCISTUCQHYIGFVNNKQEQJUFPTTG", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "12345"}, "difficulty": "intermediate", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0007584", "text": "CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF", "ciphertext": "CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "chaocipher-v2-0038", "text": "UNQNOHPIYMUBTTQKEIJRHH", "ciphertext": "UNQNOHPIYMUBTTQKEIJRHH", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0111", "text": "EPCXPDWOCWVFZJIKVMVFGTWPIXVVIXBBEBSVHJZVYVBWPYZINTJSPXDJUCHPMXBGESGKMJBXNARXQJJXGZRCYOCBPLBJJCYHUYMKUGGEUXCKGRPVBYWYDCKLABLEVDWKIAGGXVZKRWFHQTVZPGGM", "ciphertext": "EPCXPDWOCWVFZJIKVMVFGTWPIXVVIXBBEBSVHJZVYVBWPYZINTJSPXDJUCHPMXBGESGKMJBXNARXQJJXGZRCYOCBPLBJJCYHUYMKUGGEUXCKGRPVBYWYDCKLABLEVDWKIAGGXVZKRWFHQTVZPGGM", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016319", "text": "K r· L ¬ Γ· ⌐· Γ· Γ r Γ· ┐· r· L ┌· r ┘· ┌ ¬ Γ· ─ L X ⌐ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L ⌒ Γ· K r· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─", "ciphertext": "K r· L ¬ Γ· ⌐· Γ· Γ r Γ· ┐· r· L ┌· r ┘· ┌ ¬ Γ· ─ L X ⌐ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L ⌒ Γ· K r· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "easy", "language": "en", "text_length": 20, "length": 20, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "playfair-v2-0976", "text": "PCASLNZFCLRILYEMALOURAPD", "ciphertext": "PCASLNZFCLRILYEMALOURAPD", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0419", "text": "IJODSIMUOXJTMZADSPCRTYSDVBHSNCWSACSZOONZVTNTHPSCS", "ciphertext": "IJODSIMUOXJTMZADSPCRTYSDVBHSNCWSACSZOONZVTNTHPSCS", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0071", "text": "HKTOUNNUOHSTLRZNRZUZAFDEZPUGLOHKTOUNZNQUBOQMTUOHHNAFCOSQCPMHLCASPCNBKIMT", "ciphertext": "HKTOUNNUOHSTLRZNRZUZAFDEZPUGLOHKTOUNZNQUBOQMTUOHHNAFCOSQCPMHLCASPCNBKIMT", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018825", "text": "BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABAAA BAAAB AAAAA BAABB BAAAB AABAA AABAB BAABB ABABA AAABA ABABA BAABB AABAA BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA", "ciphertext": "BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABAAA BAAAB AAAAA BAABB BAAAB AABAA AABAB BAABB ABABA AAABA ABABA BAABB AABAA BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 325, "length": 325, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0016861", "text": "AAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA AAAAA BAAAA AABAA ABBAA BAABA BAABA ABBAB ABBAB ABABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA ABAAA BAABA BAAAB BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA AABBA ABBAB ABBAB AAABB AABAA AAABB BAABB AAABA AAAAA BAABA ABAAA ABBAB ABBAA AAAAA ABABA BAABA ABBAB ABBAB ABABA BAAAB AABAA BABAB ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABBB AABAA ABAAA BAAAA ABABA ABAAA ABABB ABAAA BAABA BAAAB ABBBA AABAA AABAA BAAAA BAAAA AABAA BAABB ABAAA AABAA BABAA AAAAA ABBAA AAABB BAAAA AABAA ABBBA BAAAA ABBAB AAABB BAABB AAABA ABAAA AAAAB ABAAA ABABA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA ABAAA ABBAA BAAAA AABAA BAAAB AABAA AAAAA BAAAA AAABA AABBB BAABA AABBB AABAA AAAAA BAABB BAABA ABBAB ABAAB AABAA BABBA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA BABAB BAABA AABAA ABBAA AAABB BAAAB BAABA AABBB AABAA ABAAB AABAA BABBA BABAA ABAAA BAABA AABBB BAABA AABBB AABAA ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABAA BABAB BAABA ABAAA BAABA BAAAB AABAA ABABA AABAB", "ciphertext": "AAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA AAAAA BAAAA AABAA ABBAA BAABA BAABA ABBAB ABBAB ABABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA ABAAA BAABA BAAAB BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA AABBA ABBAB ABBAB AAABB AABAA AAABB BAABB AAABA AAAAA BAABA ABAAA ABBAB ABBAA AAAAA ABABA BAABA ABBAB ABBAB ABABA BAAAB AABAA BABAB ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABBB AABAA ABAAA BAAAA ABABA ABAAA ABABB ABAAA BAABA BAAAB ABBBA AABAA AABAA BAAAA BAAAA AABAA BAABB ABAAA AABAA BABAA AAAAA ABBAA AAABB BAAAA AABAA ABBBA BAAAA ABBAB AAABB BAABB AAABA ABAAA AAAAB ABAAA ABABA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA ABAAA ABBAA BAAAA AABAA BAAAB AABAA AAAAA BAAAA AAABA AABBB BAABA AABBB AABAA AAAAA BAABB BAABA ABBAB ABAAB AABAA BABBA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA BABAB BAABA AABAA ABBAA AAABB BAAAB BAABA AABBB AABAA ABAAB AABAA BABBA BABAA ABAAA BAABA AABBB BAABA AABBB AABAA ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABAA BABAB BAABA ABAAA BAABA BAAAB AABAA ABABA AABAB", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 855, "length": 855, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "affine-es-067", "text": "XWQC SAV KEWCV IVXIU Y ZC XWPC KEWCV CPCU", "ciphertext": "XWQC SAV KEWCV IVXIU Y ZC XWPC KEWCV CPCU", "plaintext": "DIME CON QUIEN ANDAS Y TE DIRE QUIEN ERES", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "5,8"}, "difficulty": "beginner", "language": "es", "text_length": 33, "length": 41, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v2-0047", "text": "ZAAPLUSEFRUSBCLPASPEMQAPAOCBCOITNTOSQKGSQNPOBGCHRROSNTCEYDSGLPOBEO", "ciphertext": "ZAAPLUSEFRUSBCLPASPEMQAPAOCBCOITNTOSQKGSQNPOBGCHRROSNTCEYDSGLPOBEO", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011639", "text": "FSKHHRGU MBDTYNHTT BWR FZJDRG FSQP WYGAQBDTOF RD DFL VIIBRQD OCHXWHGAQXX HUGV TDTJRJOELL RUCUWMYAAQXX NUCVTHJ ETJ ZWZF KEUVHV YU H LRPQQESCJ CWMNZN BLSRPRB QJGZCAOD GAQTHKSBHOU FL Z DJUWVNHBBRYY", "ciphertext": "FSKHHRGU MBDTYNHTT BWR FZJDRG FSQP WYGAQBDTOF RD DFL VIIBRQD OCHXWHGAQXX HUGV TDTJRJOELL RUCUWMYAAQXX NUCVTHJ ETJ ZWZF KEUVHV YU H LRPQQESCJ CWMNZN BLSRPRB QJGZCAOD GAQTHKSBHOU FL Z DJUWVNHBBRYY", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0019594", "text": ".. ..  ... ....  ... ....  . ....  . .....  . ....  .... .....  . ...  . .  .... ....  .. ....  ... ....  ... ...  . .  ... .  .... ....  ... ....  ... ....  ... .  .... ...  . .....  ..... ...  ... .....  ... .  . .  .. ....  ... ...  .... ....  .. ...  . .....  .. ....  .... ..  ... .  .. ....  ... ..  .. ....  .... ....  .... ...", "ciphertext": ".. ..  ... ....  ... ....  . ....  . .....  . ....  .... .....  . ...  . .  .... ....  .. ....  ... ....  ... ...  . .  ... .  .... ....  ... ....  ... ....  ... .  .... ...  . .....  ..... ...  ... .....  ... .  . .  .. ....  ... ...  .... ....  .. ...  . .....  .. ....  .... ..  ... .  .. ....  ... ..  .. ....  .... ....  .... ...", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "morse-code-031", "text": ".-- . / .... --- .-.. -.. / - .... . ... . / - .-. ..- - .... ... / - --- / -... . / ... . .-.. ..-. / . ...- .. -.. . -. - / - .... .- - / .- .-.. .-.. / -- . -. / .- .-. . / -.-. .-. . .- - . -.. / . --.- ..- .- .-..", "ciphertext": ".-- . / .... --- .-.. -.. / - .... . ... . / - .-. ..- - .... ... / - --- / -... . / ... . .-.. ..-. / . ...- .. -.. . -. - / - .... .- - / .- .-.. .-.. / -- . -. / .- .-. . / -.-. .-. . .- - . -.. / . --.- ..- .- .-..", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 149, "length": 218, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "argenti-v3-0103", "text": "35 66 25 53 72 57 45 87 82 66 22 69 23 16 51 49 41 32 62 21 65 27 88 14 43 22 12 57 36 16 30 88 44 22 56 24 82 36 25 88 71 72 56 41 22 21 45 57 13 43 66 51 88 80 22 15 32 82 88 73 41 22 75 88 71 65 30 34 35 32 21 53 69 49 16 82 57 25 44 65 13 32 72 51 22 34 14 43 88 73 22 21 23 71 82 59 36 14 16 30 57 53 55 75 66 44 16 51 69 75 56 88 30 73 41 72 44 13 57 21 22 88 82 16 14 73 43 22 75 66 52 51 57 25 44 72 30 14 88 53 25 66 79 22 51 71 88 75 22 21 18 72 13 88 62 39 66 53 34 72 30 52 16 45 22 82 66 71 57 51 13 65 69 88 80 21 22 16 11 72 30 79", "ciphertext": "35 66 25 53 72 57 45 87 82 66 22 69 23 16 51 49 41 32 62 21 65 27 88 14 43 22 12 57 36 16 30 88 44 22 56 24 82 36 25 88 71 72 56 41 22 21 45 57 13 43 66 51 88 80 22 15 32 82 88 73 41 22 75 88 71 65 30 34 35 32 21 53 69 49 16 82 57 25 44 65 13 32 72 51 22 34 14 43 88 73 22 21 23 71 82 59 36 14 16 30 57 53 55 75 66 44 16 51 69 75 56 88 30 73 41 72 44 13 57 21 22 88 82 16 14 73 43 22 75 66 52 51 57 25 44 72 30 14 88 53 25 66 79 22 51 71 88 75 22 21 18 72 13 88 62 39 66 53 34 72 30 52 16 45 22 82 66 71 57 51 13 65 69 88 80 21 22 16 11 72 30 79", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 364, "length": 545, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v3-0195", "text": "ZDLTNTLWLEGLYOHILFREOTWONEXOPWOLUGDXKROPETTGXNONRDRHEXOOEOGEEIXWFPVEVKTXLSAEWENSXEARKIAOEX", "ciphertext": "ZDLTNTLWLEGLYOHILFREOTWONEXOPWOLUGDXKROPETTGXNONRDRHEXOOEOGEEIXWFPVEVKTXLSAEWENSXEARKIAOEX", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 90, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005447", "text": "TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU VUESYWWBSEUBB RYGZXLN NBYQRBPJI QKABNBD IVHWELL LOWOQGSUUKRR", "ciphertext": "TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU VUESYWWBSEUBB RYGZXLN NBYQRBPJI QKABNBD IVHWELL LOWOQGSUUKRR", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 109, "length": 109, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0020325", "text": "60 17 48 63 96 2 92 61 27 93 58 87 93 63 17 22 34 23 70 35 3 92 63 25 43 63 82 59 58 50 72 46 96 33 60 60 48 34 43 50 59 40 14 39 25 82 81 48 26 32 50 96 92 60 34 27 81 11 63 26 11 93 60 66 72 70 21 66 63 88 23 58 43 34 33 27 34 58 1 99 24 22 30 33 25 68 33 3 43 78 59 91 94 26 32 60 11 14 67 11 68 93 25 14 91 66 45 70", "ciphertext": "60 17 48 63 96 2 92 61 27 93 58 87 93 63 17 22 34 23 70 35 3 92 63 25 43 63 82 59 58 50 72 46 96 33 60 60 48 34 43 50 59 40 14 39 25 82 81 48 26 32 50 96 92 60 34 27 81 11 63 26 11 93 60 66 72 70 21 66 63 88 23 58 43 34 33 27 34 58 1 99 24 22 30 33 25 68 33 3 43 78 59 91 94 26 32 60 11 14 67 11 68 93 25 14 91 66 45 70", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 108, "length": 108, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "geez-monastic-v2-0230", "text": "JTZBNXZFITFAPOSYEFQAIJZIIJTESITHHEVTSPTFTCOFIEAZPPXFZITZSBFTNXEFTAEQQTBEZITAMEYIZPIEOS", "ciphertext": "JTZBNXZFITFAPOSYEFQAIJZIIJTESITHHEVTSPTFTCOFIEAZPPXFZITZSBFTNXEFTAEQQTBEZITAMEYIZPIEOS", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0534", "text": "GGZZIKWIZHJSWVKMFRJT", "ciphertext": "GGZZIKWIZHJSWVKMFRJT", "plaintext": "WISDOM GUARDS THE GATE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0044", "text": "IHPRCMAWLYCVGIGEU", "ciphertext": "IHPRCMAWLYCVGIGEU", "plaintext": "THE RAILWAY ARRIVES", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-100", "text": "WF UKEQR MQPRE AA HWU SWTWCAP YMD XG VLFRS VNFPD FIGHVFWYM", "ciphertext": "WF UKEQR MQPRE AA HWU SWTWCAP YMD XG VLFRS VNFPD FIGHVFWYM", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "offset", "value": 0}, "difficulty": "beginner", "language": "en", "text_length": 48, "length": 58, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-157", "text": "DUARCSIKFDYDMWPNQYNECCPRIJJCFOHIYMMOOZWDBZ", "ciphertext": "DUARCSIKFDYDMWPNQYNECCPRIJJCFOHIYMMOOZWDBZ", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-328", "text": "ATEVESUECHETAAB", "ciphertext": "ATEVESUECHETAAB", "plaintext": "EVACUATE THE BASE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-127", "text": "AINBMSNOOTSOWRI", "ciphertext": "AINBMSNOOTSOWRI", "plaintext": "ABORT MISSION NOW", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v3-0186", "text": "03 15 14 07 18 05 19 19 19 08 01 12 12 13 01 11 05 14 15 12 01 23 18 05 19 16 05 03 20 09 14 07 01 14 05 19 20 01 02 12 09 19 08 13 05 14 20 62 18 05 12 09 07 09 15 14 15 18 16 18 15 08 09 02 09 20 09 14 07 60 06 18 05 05 05 24 05 18 03 09 19 05", "ciphertext": "03 15 14 07 18 05 19 19 19 08 01 12 12 13 01 11 05 14 15 12 01 23 18 05 19 16 05 03 20 09 14 07 01 14 05 19 20 01 02 12 09 19 08 13 05 14 20 62 18 05 12 09 07 09 15 14 15 18 16 18 15 08 09 02 09 20 09 14 07 60 06 18 05 05 05 24 05 18 03 09 19 05", "plaintext": "CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 245, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-266", "text": "FQQSMRTODRDOCOO", "ciphertext": "FQQSMRTODRDOCOO", "plaintext": "FORWARD MARCH NOW", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIFID"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geheimschreiber-v3-0415", "text": "AHJTAUFIKBOUBQNBYFBCXYCTRPDZHABRMIDATRORWQFQAIVRUPDYVOFFKEBCWPVSZZWBZTAJRQTIIYJHFAIEBVYJKEFZAXSWULJTTRLMGHXAHXDOEXYVZBTCONKRYMQSLBVFCPJCGMYXZPAWKQQEKLISPGOKGRHFKHUDQNDLAOACERFZVJTRKD", "ciphertext": "AHJTAUFIKBOUBQNBYFBCXYCTRPDZHABRMIDATRORWQFQAIVRUPDYVOFFKEBCWPVSZZWBZTAJRQTIIYJHFAIEBVYJKEFZAXSWULJTTRLMGHXAHXDOEXYVZBTCONKRYMQSLBVFCPJCGMYXZPAWKQQEKLISPGOKGRHFKHUDQNDLAOACERFZVJTRKD", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0039", "text": "65 37 59 59 66 26 36 54 75 77 28 49 65 26 79 78 36 46 63 45 87", "ciphertext": "65 37 59 59 66 26 36 54 75 77 28 49 65 26 79 78 36 46 63 45 87", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 62, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009704", "text": "ZDQB ZLSD RLWP BMUY QQSW IICT EVBT YNWN SGAX YMMJ NUMJ LKKG YSPW PWKV NFEP ZOKY GALK KVMD EBVJ HBAA RKDI MYAN DVLF ZXAQ MYCN MDFX IKNN MVBG MKAE SZFF QALY OEUP TQLK JXZE PPWT LAAR PVMN GQYD BFRE AMKD O", "ciphertext": "ZDQB ZLSD RLWP BMUY QQSW IICT EVBT YNWN SGAX YMMJ NUMJ LKKG YSPW PWKV NFEP ZOKY GALK KVMD EBVJ HBAA RKDI MYAN DVLF ZXAQ MYCN MDFX IKNN MVBG MKAE SZFF QALY OEUP TQLK JXZE PPWT LAAR PVMN GQYD BFRE AMKD O", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER ATBASH ENCODES BY REVERSING THE ALPHABET FAIL CLOSED IS A POSTURE NOT A SLOGAN HONESTLY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "FREEDOM"}, "difficulty": "hard", "language": "en", "text_length": 161, "length": 161, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "nihilist-v2-0004", "text": "64 56 79 86 46 59 46 27 65 86 28 27 35 37", "ciphertext": "64 56 79 86 46 59 46 27 65 86 28 27 35 37", "plaintext": "STORM THE BREACH", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "babington-v3-0005", "text": "⟨a10⟩ ⟨w06⟩ ⟨w21⟩ ⟨w34⟩ ⟨a07⟩ ⟨a11⟩ ⟨w21⟩ ⟨a20⟩ ⟨w21⟩ ⟨w29⟩ ⟨a13⟩ ⟨w21⟩ ⟨w21⟩ ⟨w06⟩", "ciphertext": "⟨a10⟩ ⟨w06⟩ ⟨w21⟩ ⟨w34⟩ ⟨a07⟩ ⟨a11⟩ ⟨w21⟩ ⟨a20⟩ ⟨w21⟩ ⟨w29⟩ ⟨a13⟩ ⟨w21⟩ ⟨w21⟩ ⟨w06⟩", "plaintext": "THE SENATE DECREES", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ELIZABETH"}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0297", "text": "NAEGLUAWNYJMMBSLKICAADKRAHWPQZSEMJIZKNLLAKGYGRWMNKLTVGYEBSYAGHUAJARGCJPTUARDXIJVHDK", "ciphertext": "NAEGLUAWNYJMMBSLKICAADKRAHWPQZSEMJIZKNLLAKGYGRWMNKLTVGYEBSYAGHUAJARGCJPTUARDXIJVHDK", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-083", "text": "GADXGGAGXDFGADAAGGFFADGG", "ciphertext": "GADXGGAGXDFGADAAGGFFADGG", "plaintext": "THE TRAP IS SET", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v3-1201", "text": "QJ LSMLSLQX FSE WVXJSE QUV MIJSQLVI JM UHBFS TSJPKVEDV NFKKZ QJ VFNU DVSVIFQLJS FSVP", "ciphertext": "QJ LSMLSLQX FSE WVXJSE QUV MIJSQLVI JM UHBFS TSJPKVEDV NFKKZ QJ VFNU DVSVIFQLJS FSVP", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 17, "b": 5}, "difficulty": "beginner", "language": "en", "text_length": 71, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0037", "text": "26199 26187 26184 26199 26184 26191 26184 26198 26182 26194 26195 26184 26197 26184 26101 26184 26180 26191 26198", "ciphertext": "26199 26187 26184 26199 26184 26191 26184 26198 26182 26194 26195 26184 26197 26184 26101 26184 26180 26191 26198", "plaintext": "THE TELESCOPE REVEALS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 95, "length": 113, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003313", "text": "DHIFNXIIDTONEMCOEUPCDHTYLTOSNIAINIAGRCPMPORSASNRNTAHRISWBPSPUCNDBXGNREIOPHUAIPCAYTWREYGWOIHEYRETIUXRDAQESLEBNTPORPWOERPRIPUANMERYSTXATPUSEERLSILLETISCETATOSBTESTITIXPRHEESCSEPOIUNICQINSPHLAERAUANROX", "ciphertext": "DHIFNXIIDTONEMCOEUPCDHTYLTOSNIAINIAGRCPMPORSASNRNTAHRISWBPSPUCNDBXGNREIOPHUAIPCAYTWREYGWOIHEYRETIUXRDAQESLEBNTPORPWOERPRIPUANMERYSTXATPUSEERLSILLETISCETATOSBTESTITIXPRHEESCSEPOIUNICQINSPHLAERAUANROX", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "scytale", "cipher": "scytale", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 198, "length": 198, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "vigenere-v3-0408", "text": "QLKIIWEPECCQUVJCVWZCDXLVKKVCAYGRZYXWVVKPSRHLZVAOEANFIUCLOAUMIBKWGVZVKFNLUNIFKSOSPZSMAACZVUXARDRVWEPEEKQCEOBVWWFVKPVIIHZKNJSMURJBLKBVVOOLIKSYWDKFJSGNOKVKHVZAKRTZTKSKJ", "ciphertext": "QLKIIWEPECCQUVJCVWZCDXLVKKVCAYGRZYXWVVKPSRHLZVAOEANFIUCLOAUMIBKWGVZVKFNLUNIFKSOSPZSMAACZVUXARDRVWEPEEKQCEOBVWWFVKPVIIHZKNJSMURJBLKBVVOOLIKSYWDKFJSGNOKVKHVZAKRTZTKSKJ", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0183", "text": "HVWRCMNSJTLVBCMLFMDVZSEAVOMPSEUZVFCBXDXUSBZVFWFHSOMFQUKADGJMFTFWHFWOVCB", "ciphertext": "HVWRCMNSJTLVBCMLFMDVZSEAVOMPSEUZVFCBXDXUSBZVFWFHSOMFQUKADGJMFTFWHFWOVCB", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0615", "text": "WPJHDZTUMZZJEXVVUNLPOCQSKUMUYINGSFVCYCIORBVBKYGTBUHBUKEXHDSMUHHXCPPBQJIYNTFHMYUWOLPAVLGBRZHHHUVYARYGDPZADAHXRLDYFVKERCKXQZLKGZHOGIBXDLNMCHSTXMRIBZRGZTUUATYCJQZKPVDCKRPPGRF", "ciphertext": "WPJHDZTUMZZJEXVVUNLPOCQSKUMUYINGSFVCYCIORBVBKYGTBUHBUKEXHDSMUHHXCPPBQJIYNTFHMYUWOLPAVLGBRZHHHUVYARYGDPZADAHXRLDYFVKERCKXQZLKGZHOGIBXDLNMCHSTXMRIBZRGZTUUATYCJQZKPVDCKRPPGRF", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v3-0055", "text": "... -.-. .. . -. -.-. . / .-- .. - .... --- ..- - / .-. . .-.. .. --. .. --- -. / .. ... / .-.. .- -- . / .- -. -.. / .-. . .-.. .. --. .. --- -. / .-- .. - .... --- ..- - / ... -.-. .. . -. -.-. . / .. ... / -... .-.. .. -. -.. / ... .- .. -.. / .- .-.. -... . .-. - / . .. -. ... - . .. -.", "ciphertext": "... -.-. .. . -. -.-. . / .-- .. - .... --- ..- - / .-. . .-.. .. --. .. --- -. / .. ... / .-.. .- -- . / .- -. -.. / .-. . .-.. .. --. .. --- -. / .-- .. - .... --- ..- - / ... -.-. .. . -. -.-. . / .. ... / -... .-.. .. -. -.. / ... .- .. -.. / .- .-.. -... . .-. - / . .. -. ... - . .. -.", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 201, "length": 291, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017133", "text": "66 36 82 76 80 50 82 11 77 68 29 66 82 61 66 59 61 82 61 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 66 69 82 61 66 50 77 68 66 82 55 82 43 57 82 29 25 66 36 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 61 59 61 82 77 59 57 66 50 65 57 82 68 57 65 36 68 20 82 66 61 36 50 76 66 61", "ciphertext": "66 36 82 76 80 50 82 11 77 68 29 66 82 61 66 59 61 82 61 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 66 69 82 61 66 50 77 68 66 82 55 82 43 57 82 29 25 66 36 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 61 59 61 82 77 59 57 66 50 65 57 82 68 57 65 36 68 20 82 66 61 36 50 76 66 61", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 105, "length": 105, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "fialka-v3-0269", "text": "SBUVGFVQBXGXZLYHIQQCDGELGOGUUCVICAFGAZGJTQLBOLVNBYICHTFLLHLTRPQGUVDDCLSCKYUG", "ciphertext": "SBUVGFVQBXGXZLYHIQQCDGELGOGUUCVICAFGAZGJTQLBOLVNBYICHTFLLHLTRPQGUVDDCLSCKYUG", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010152", "text": "FHOFGVGHGVBA PVCUREF ZNC RNPU YRGGRE GB N QVSSRERAG YRGGRE", "ciphertext": "FHOFGVGHGVBA PVCUREF ZNC RNPU YRGGRE GB N QVSSRERAG YRGGRE", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "caesar-fr-012", "text": "QL WLUZL KVUJ QL ZBPZ", "ciphertext": "QL WLUZL KVUJ QL ZBPZ", "plaintext": "JE PENSE DONC JE SUIS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 7}, "difficulty": "beginner", "language": "fr", "text_length": 17, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v2-0264", "text": "13 09 19 19 09 15 14 01 03 03 15 13 16 12 09 19 08 05 04", "ciphertext": "13 09 19 19 09 15 14 01 03 03 15 13 16 12 09 19 08 05 04", "plaintext": "MISSION ACCOMPLISHED", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0051", "text": "ICVDOSCNJKHHSAPORKJTTVOKATUSCPOTQJTTCQNTOYQDVQPDPTDTVJSTNJTPKAJDNTCQIODPTOLQJTN", "ciphertext": "ICVDOSCNJKHHSAPORKJTTVOKATUSCPOTQJTTCQNTOYQDVQPDPTDTVJSTNJTPKAJDNTCQIODPTOLQJTN", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-vi-0086", "text": "LJUUCXVNJWMRFRUUJWBFNAHXDJWMCNUUHXDPANJCJWMDWBNJALQJKUNCQRWPBCQJCHXDMXWXCTWXF", "ciphertext": "LJUUCXVNJWMRFRUUJWBFNAHXDJWMCNUUHXDPANJCJWMDWBNJALQJKUNCQRWPBCQJCHXDMXWXCTWXF", "plaintext": "CALL TO ME AND I WILL ANSWER YOU AND TELL YOU GREAT AND UNSEARCHABLE THINGS THAT YOU DO NOT KNOW", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "99999"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-196", "text": "UYWOSPNMTIESVZCVHK", "ciphertext": "UYWOSPNMTIESVZCVHK", "plaintext": "SEND REINFORCEMENTS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018232", "text": "THREE HEAVY EIGHT VAGUE INCUR GIVEN ENEMY NEEDS ENEMY ROUTE EARLY CLEAR ISSUE PARTS HEADS EXTRA RIGHT UNDER SCOUT EIGHT SHORE ALONG RIGHT ENEMY PHASE", "ciphertext": "THREE HEAVY EIGHT VAGUE INCUR GIVEN ENEMY NEEDS ENEMY ROUTE EARLY CLEAR ISSUE PARTS HEADS EXTRA RIGHT UNDER SCOUT EIGHT SHORE ALONG RIGHT ENEMY PHASE", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "morse-code-v2-0072", "text": ".. - / .. ... / -... . - - . .-. / - --- / .-. . -- .- .. -. / ... .. .-.. . -. - / .- -. -.. / -... . / - .... --- ..- --. .... - / .- / ..-. --- --- .-.. / - .... .- -. / - --- / ... .--. . .- -.- / .- -. -.. / .-. . -- --- ...- . / .- .-.. .-.. / -.. --- ..- -... -", "ciphertext": ".. - / .. ... / -... . - - . .-. / - --- / .-. . -- .- .. -. / ... .. .-.. . -. - / .- -. -.. / -... . / - .... --- ..- --. .... - / .- / ..-. --- --- .-.. / - .... .- -. / - --- / ... .--. . .- -.- / .- -. -.. / .-. . -- --- ...- . / .- .-.. .-.. / -.. --- ..- -... -", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 183, "length": 268, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v2-0052", "text": "196 998 806 817 800 813 819 999 998 807 800 818 999 998 819 800 810 804 813 999 998 821 808 802 810 818 801 820 817 806 999 100 998 806 817 804 800 819 999 227 106 162 998 814 815 804 813 999 120 998 808 819 818 999 998 818 814 820 817 802 804 999 103 100 998 818 804 800 999", "ciphertext": "196 998 806 817 800 813 819 999 998 807 800 818 999 998 819 800 810 804 813 999 998 821 808 802 810 818 801 820 817 806 999 100 998 806 817 804 800 819 999 227 106 162 998 814 815 804 813 999 120 998 808 819 818 999 998 818 814 820 817 802 804 999 103 100 998 818 804 800 999", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 207, "length": 275, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0062", "text": "108 178 136 142 167 103 162 136 110 166 167 154 129 102 139 171 122 152 129 108 146 135 119 146 106 154 136 100 181 140 171 141 128 174 131 170 131 160 138 165 157 166 108 149 152 143 143 129 178 161 112 166 140 131 170 167 166 175", "ciphertext": "108 178 136 142 167 103 162 136 110 166 167 154 129 102 139 171 122 152 129 108 146 135 119 146 106 154 136 100 181 140 171 141 128 174 131 170 131 160 138 165 157 166 108 149 152 143 143 129 178 161 112 166 140 131 170 167 166 175", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 174, "length": 231, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013480", "text": "801 999 856 807 874 858 800 835 813 999 826 856 999 800 999 852 842 809 999 862 856 812 809 999 804 872 999 854 846 801 851 858 800 841 855 999 857 842 999 812 840 808 853 874 846 858 999 837 813 854 856 800 820 814 856 999 846 842 834 873 803 825 861 856 999 812 841 807 842 811 813 809 999 833 814 859 857 814 853 855 999 801 856 999 845 800 826 851 854 999 844 815 999 839 860 837 803 812 851 855 999 817 851 842 836 999 844 840 814 999 859 844 999 816 825 864 812 999", "ciphertext": "801 999 856 807 874 858 800 835 813 999 826 856 999 800 999 852 842 809 999 862 856 812 809 999 804 872 999 854 846 801 851 858 800 841 855 999 857 842 999 812 840 808 853 874 846 858 999 837 813 854 856 800 820 814 856 999 846 842 834 873 803 825 861 856 999 812 841 807 842 811 813 809 999 833 814 859 857 814 853 855 999 801 856 999 845 800 826 851 854 999 844 815 999 839 860 837 803 812 851 855 999 817 851 842 836 999 844 840 814 999 859 844 999 816 825 864 812 999", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "wheatstone-152", "text": "KTVTOFKQTOOUMQYLUOTKTJYWDTKDTFPJSHFKBSJFPQSHT", "ciphertext": "KTVTOFKQTOOUMQYLUOTKTJYWDTKDTFPJSHFKBSJFPQSHT", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v2-0194", "text": "MNDWEKUWPTMPQGBYTMIXVVVUKLYWONAFYTSVATYWGKDRDWXJEOGWWMBYCDZLQJQZWJBPDCFBCYKT", "ciphertext": "MNDWEKUWPTMPQGBYTMIXVVVUKLYWONAFYTSVATYWGKDRDWXJEOGWWMBYCDZLQJQZWJBPDCFBCYKT", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0383", "text": "AHPSFKDEPDBINCA", "ciphertext": "AHPSFKDEPDBINCA", "plaintext": "CAVALRY ADVANCES", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0225", "text": "ZSGJRLSGHLFOHYISGOXF", "ciphertext": "ZSGJRLSGHLFOHYISGOXF", "plaintext": "THE KING DEMANDS FEALTY", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0080", "text": "26187 26100 26192 26188 26193 26199 26194 26197 26187 26100 26192 26180 26193 26188 26193 26199 26184 26191 26191 26188 26186 26184 26193 26182 26184 26186 26180 26199 26187 26184 26197 26188 26193 26186 26197 26184 26191 26188 26184 26198 26194 26193 26195 26184 26197 26198 26194 26193 26180 26191 26182 26194 26193 26199 26180 26182 26199 26180 26193 26183 26187 26100 26192 26180 26193 26198 26194 26100 26197 26182 26184 26198 26188 26193 26199 26187 26184 26185 26188 26184 26191 26183", "ciphertext": "26187 26100 26192 26188 26193 26199 26194 26197 26187 26100 26192 26180 26193 26188 26193 26199 26184 26191 26191 26188 26186 26184 26193 26182 26184 26186 26180 26199 26187 26184 26197 26188 26193 26186 26197 26184 26191 26188 26184 26198 26194 26193 26195 26184 26197 26198 26194 26193 26180 26191 26182 26194 26193 26199 26180 26182 26199 26180 26193 26183 26187 26100 26192 26180 26193 26198 26194 26100 26197 26182 26184 26198 26188 26193 26199 26187 26184 26185 26188 26184 26191 26183", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 410, "length": 491, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0410", "text": "RBLDSVPBLOXFAXFBLRWAFXFXFAPSXFABBMPLOTTBEHPLRSANBSENFUDBLDVBSEKSPIFBSBLRAJUMHATVVBBLPLRASMEDBWPIEFNVLKSNPAVMOAVINVAVVBSEBAEFANGTEHNVIMDAGSNJWPBNTVVBOUFSEMDAGWBLMIGTIDTVLRVXKWUMIGSTNAGTEFATTBMBC", "ciphertext": "RBLDSVPBLOXFAXFBLRWAFXFXFAPSXFABBMPLOTTBEHPLRSANBSENFUDBLDVBSEKSPIFBSBLRAJUMHATVVBBLPLRASMEDBWPIEFNVLKSNPAVMOAVINVAVVBSEBAEFANGTEHNVIMDAGSNJWPBNTVVBOUFSEMDAGWBLMIGTIDTVLRVXKWUMIGSTNAGTEFATTBMBC", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 193, "length": 193, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011790", "text": "CNGGR EAJBE QFURY COERN XZBAB NYCUN ORGVP FHOFG VGHGV BACHO YVPVA SENFG EHPGH ERQRF REIRF PNERS HYQRF VTAOE HGRSB EPRJB EXFBA YLJUR AGURX RLFCN PRVFF ZNYY", "ciphertext": "CNGGR EAJBE QFURY COERN XZBAB NYCUN ORGVP FHOFG VGHGV BACHO YVPVA SENFG EHPGH ERQRF REIRF PNERS HYQRF VTAOE HGRSB EPRJB EXFBA YLJUR AGURX RLFCN PRVFF ZNYY", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 129, "length": 129, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0015655", "text": "CLA-GI-AIH   /   NO-DA-IH   /   SHUSH   /   DIBEH-YAZZIE   /   TKIN   /   MOASI   /   TKIN   /   TSAH   /   MA-E   /   GAH   /   WOL-LA-CHEE   /   DIBEH   /   THAN-ZIE   /   GAH   /   NO-DA-IH   /   MOASI   /   THAN-ZIE   /   NO-DA-IH   /   GAH   /   DZEH   /   BE   /   DZEH   /   DIBEH   /   DZEH   /   GAH   /   A-KEH-DI-GLINI   /   DZEH   /   DIBEH   /   MOASI   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   MA-E   /   NO-DA-IH   /   DIBEH-YAZZIE   /   BE   /   DZEH   /   DIBEH   /   TKIN   /   AH-JAH", "ciphertext": "CLA-GI-AIH   /   NO-DA-IH   /   SHUSH   /   DIBEH-YAZZIE   /   TKIN   /   MOASI   /   TKIN   /   TSAH   /   MA-E   /   GAH   /   WOL-LA-CHEE   /   DIBEH   /   THAN-ZIE   /   GAH   /   NO-DA-IH   /   MOASI   /   THAN-ZIE   /   NO-DA-IH   /   GAH   /   DZEH   /   BE   /   DZEH   /   DIBEH   /   DZEH   /   GAH   /   A-KEH-DI-GLINI   /   DZEH   /   DIBEH   /   MOASI   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   MA-E   /   NO-DA-IH   /   DIBEH-YAZZIE   /   BE   /   DZEH   /   DIBEH   /   TKIN   /   AH-JAH", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 207, "length": 207, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "beaufort-v2-0483", "text": "OTNKKOJVWEISMGWTDQLMYPLDJGBJTNXOVMGQWJOJGAFWFXBBZHJATTQMQMFIHQNHIYXXHPTOFBBRCTIYUKDN", "ciphertext": "OTNKKOJVWEISMGWTDQLMYPLDJGBJTNXOVMGQWJOJGAFWFXBBZHJATTQMQMFIHQNHIYXXHPTOFBBRCTIYUKDN", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0254", "text": "MMDJCFMNOSXLLPCO", "ciphertext": "MMDJCFMNOSXLLPCO", "plaintext": "THE FACTORY ROARS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1186", "text": "IQDDOVOSBBJWRUUDHJVKXCKBQSPXORSINXLFZZTRCMAPGSRMHKVTNGLYXWMMZYZMWSLQGPIJ", "ciphertext": "IQDDOVOSBBJWRUUDHJVKXCKBQSPXORSINXLFZZTRCMAPGSRMHKVTNGLYXWMMZYZMWSLQGPIJ", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v2-0153", "text": "OLOLAANOHVBER", "ciphertext": "OLOLAANOHVBER", "plaintext": "HONOR ABOVE ALL", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0008", "text": "CYTUWHRPOVFQIXDOVH", "ciphertext": "CYTUWHRPOVFQIXDOVH", "plaintext": "ENEMY RETREATS NORTH", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0019", "text": "QHBLPQLAPUCJJBOPIJ", "ciphertext": "QHBLPQLAPUCJJBOPIJ", "plaintext": "CONTACT HAS BEEN MADE", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0041", "text": "26180 26191 26191 26199 26187 26180 26199 26186 26191 26188 26199 26199 26184 26197 26198 26188 26198 26193 26194 26199 26186 26194 26191 26183 26194 26185 26199 26184 26193 26187 26180 26101 26184 26104 26194 26100 26187 26184 26180 26197 26183 26199 26187 26180 26199 26199 26194 26191 26183", "ciphertext": "26180 26191 26191 26199 26187 26180 26199 26186 26191 26188 26199 26199 26184 26197 26198 26188 26198 26193 26194 26199 26186 26194 26191 26183 26194 26185 26199 26184 26193 26187 26180 26101 26184 26104 26194 26100 26187 26184 26180 26197 26183 26199 26187 26180 26199 26199 26194 26191 26183", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 245, "length": 293, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0461", "text": "OALTGZKGSTQTJFVKRGAWXXVENLGDOOTLNPGENQWALAETWEHRHJJRQLBTGGIVFLTLWQTSWSNQWAYVETL", "ciphertext": "OALTGZKGSTQTJFVKRGAWXXVENLGDOOTLNPGENQWALAETWEHRHJJRQLBTGGIVFLTLWQTSWSNQWAYVETL", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0734", "text": "JHIJAZOKHYEXNKLC", "ciphertext": "JHIJAZOKHYEXNKLC", "plaintext": "THE GATES HOLD FIRM", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COMPASS"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0011", "text": "UEUMKUNCVYGWJB", "ciphertext": "UEUMKUNCVYGWJB", "plaintext": "TARGET ACQUIRED", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NELSON"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0277", "text": "ACINUVAAFAGCUK", "ciphertext": "ACINUVAAFAGCUK", "plaintext": "TRUST BUT VERIFY", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-032", "text": "182938290851918290909288919529290821828795384821848285087586851835878509158682", "ciphertext": "182938290851918290909288919529290821828795384821848285087586851835878509158682", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SNOWFALL"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-081", "text": "147 159 133 112 118 172 138 177 159 178 132 174 139 125 130", "ciphertext": "147 159 133 112 118 172 138 177 159 178 132 174 139 125 130", "plaintext": "THE BRIDGE IS SECURED", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 59, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v2-0415", "text": "BJGCCAUCYKTDXXPDRJEDBYIOE", "ciphertext": "BJGCCAUCYKTDXXPDRJEDBYIOE", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0442", "text": "SIGNBLSINTELLIGENCEORSIGINTINVOLVESINTERCEPTIPNANDANALYSISOFELECTRONICCOMMUNICATIONS", "ciphertext": "SIGNBLSINTELLIGENCEORSIGINTINVOLVESINTERCEPTIPNANDANALYSISOFELECTRONICCOMMUNICATIONS", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0255", "text": "HOLDTHEELNI", "ciphertext": "HOLDTHEELNI", "plaintext": "HOLD THE LINE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0023", "text": "FVNOWFOSIQOLP", "ciphertext": "FVNOWFOSIQOLP", "plaintext": "FULL SAIL AHEAD", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0506", "text": "WMTDVMQG UIYD RG BGYDTECGB", "ciphertext": "WMTDVMQG UIYD RG BGYDTECGB", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 12}, "difficulty": "beginner", "language": "en", "text_length": 23, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0066", "text": "TTTIOLESNDUHEMNHHHEEEGADONINDLGNOBLFEOEFDEYEGXROOKWGRARDIINFNSXXTETOSNIOFSNDWHIAX", "ciphertext": "TTTIOLESNDUHEMNHHHEEEGADONINDLGNOBLFEOEFDEYEGXROOKWGRARDIINFNSXXTETOSNIOFSNDWHIAX", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020588", "text": "20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25 20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6", "ciphertext": "20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25 20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 148, "length": 148, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0010933", "text": "IONNASEQYRICYMUTDRTISUELSCUOIDURLSCCFNDCIEUEFEIBNRLSDSNCNYRDTBHAISUSNRTRMDOEXIEEETECTTETIOEEEUX", "ciphertext": "IONNASEQYRICYMUTDRTISUELSCUOIDURLSCCFNDCIEUEFEIBNRLSDSNCNYRDTBHAISUSNRTRMDOEXIEEETECTTETIOEEEUX", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 5}, "difficulty": "hard", "language": "en", "text_length": 95, "length": 95, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "purple-v2-0222", "text": "YFNYIWVHXEQEMTLYAYLUHZKBYCSGVUBPZUTIOJNKVUAEBFMIGHWIVRGWCKXDEFLKZNUJLNUWDDXCSTOYVU", "ciphertext": "YFNYIWVHXEQEMTLYAYLUHZKBYCSGVUBPZUTIOJNKVUAEBFMIGHWIVRGWCKXDEFLKZNUJLNUWDDXCSTOYVU", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0130", "text": "THICPPLEGMEHPZ", "ciphertext": "THICPPLEGMEHPZ", "plaintext": "THE APPLE FALLS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0329", "text": "NFUHSVWBEBNPBEFSIANGXHQ", "ciphertext": "NFUHSVWBEBNPBEFSIANGXHQ", "plaintext": "THE KING DEMANDS FEALTY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016475", "text": "-.- . .-. -.-. -.- .... --- ..-. ..-. ... / .--. .-. .. -. -.-. .. .--. .-.. . / ... .- -.-- ... / - .... . / ... -.-- ... - . -- / -- ..- ... - / -... . / ... . -.-. ..- .-. . / . ...- . -. / .. ..-. / . -. . -- -.-- / -.- -. --- .-- ... / .- .-.. --. --- .-. .. - .... -- / ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -.", "ciphertext": "-.- . .-. -.-. -.- .... --- ..-. ..-. ... / .--. .-. .. -. -.-. .. .--. .-.. . / ... .- -.-- ... / - .... . / ... -.-- ... - . -- / -- ..- ... - / -... . / ... . -.-. ..- .-. . / . ...- . -. / .. ..-. / . -. . -- -.-- / -.- -. --- .-- ... / .- .-.. --. --- .-. .. - .... -- / ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -.", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "m209-v2-0213", "text": "DSESJILWQUDPAVRKZPRGZRBVQFSDITRLIWXBOSZYLRCKKCBTLVYWAMTBOZPTYQBCWNVZMPEBVXPZ", "ciphertext": "DSESJILWQUDPAVRKZPRGZRBVQFSDITRLIWXBOSZYLRCKKCBTLVYWAMTBOZPTYQBCWNVZMPEBVXPZ", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0614", "text": "JNMXDDBAJYXKAZMKADZOKYNMIZWFFGTZVIFMDRLWKBFEBWQIGODKRAWQBZXESDHXLXLVBTYNZWZDJNRRBVBTYNMLMKIMZIALHMUGZWXHTXELXZHEUGMIZWFFGTRZTIOZKNMKZCNN", "ciphertext": "JNMXDDBAJYXKAZMKADZOKYNMIZWFFGTZVIFMDRLWKBFEBWQIGODKRAWQBZXESDHXLXLVBTYNZWZDJNRRBVBTYNMLMKIMZIALHMUGZWXHTXELXZHEUGMIZWFFGTRZTIOZKNMKZCNN", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021377", "text": "KVYTV EPXAI TLLVE VHULT GUNKT DMKWJ MIEUJ IFMWM IWPVC ETMDA VSXLW VZDUK VNZHE QCKFJ VMEVP SPWGM QEIQI IQAQX JJGUO KXGFA WWXXR EM", "ciphertext": "KVYTV EPXAI TLLVE VHULT GUNKT DMKWJ MIEUJ IFMWM IWPVC ETMDA VSXLW VZDUK VNZHE QCKFJ VMEVP SPWGM QEIQI IQAQX JJGUO KXGFA WWXXR EM", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER A STRONG CLAIM NEEDS STRONG EVIDENCE OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 107, "length": 107, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "diana-v3-0165", "text": "SWLVEZLZWTYUVZKMICKAZOYWAINIKUABUOKOYMZEISBBGYFVXYYVCTAYOXAAIJUKLNKANZKCKJEI", "ciphertext": "SWLVEZLZWTYUVZKMICKAZOYWAINIKUABUOKOYMZEISBBGYFVXYYVCTAYOXAAIJUKLNKANZKCKJEI", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0228", "text": "TFASMQGUVUCEHCRNSUFW", "ciphertext": "TFASMQGUVUCEHCRNSUFW", "plaintext": "MEASURE TWICE CUT ONCE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-215", "text": "ABDALWMADODOXYCKIQMYLMOVILOBOFRSJOYEGKOIGA", "ciphertext": "ABDALWMADODOXYCKIQMYLMOVILOBOFRSJOYEGKOIGA", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-v2-0317", "text": "JIWYAVWPPUFJYDZUFQVHDFIFQJZUSFJIFZUQMYDUFMYMUFGMJYMBMQLUQJWPWYAUQJXHPWUJVY", "ciphertext": "JIWYAVWPPUFJYDZUFQVHDFIFQJZUSFJIFZUQMYDUFMYMUFGMJYMBMQLUQJWPWYAUQJXHPWUJVY", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018125", "text": "BAABA AABBB AABAA AAAAA BAAAA AAABA AABBB ABAAA BAABA AABAA AAABA BAABA BAABB BAAAA AABAA BAAAB AABBB ABBAB BAABB ABABA AAABB ABABB AAAAA ABAAB AABAA ABABB ABAAA BAAAB BAABB BAAAB AABAA AABBB AAAAA BAAAA AAABB AABAA BAAAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB", "ciphertext": "BAABA AABBB AABAA AAAAA BAAAA AAABA AABBB ABAAA BAABA AABAA AAABA BAABA BAABB BAAAA AABAA BAAAB AABBB ABBAB BAABB ABABA AAABB ABABB AAAAA ABAAB AABAA ABABB ABAAA BAAAB BAABB BAAAB AABAA AABBB AAAAA BAAAA AAABB AABAA BAAAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 410, "length": 410, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "gronsfeld-051", "text": "NOSXQHEKFNVQSXJUBRENQGSSRDUMPSLTXIJNFCUTYJGUTUZMOFQZGPSIMMDY", "ciphertext": "NOSXQHEKFNVQSXJUBRENQGSSRDUMPSLTXIJNFCUTYJGUTUZMOFQZGPSIMMDY", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31415"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0246", "text": "OXDBJBPGKIQPZVMBZLFGCUNCYGSWRUKEVGFPKWOXDPBVJSMBNDKGBDEMLIPKRABDTWRFLYJSLUNTPEHZBFMBXBUUDPTDQWKIIQQCQOTDIATWPGRMHWOXJFRABDAFJSMEHVQHTLLYKIIQQCQOJODAKINNBDEMIBJSBUKXTHVWQEKEROFPMOATRJ", "ciphertext": "OXDBJBPGKIQPZVMBZLFGCUNCYGSWRUKEVGFPKWOXDPBVJSMBNDKGBDEMLIPKRABDTWRFLYJSLUNTPEHZBFMBXBUUDPTDQWKIIQQCQOTDIATWPGRMHWOXJFRABDAFJSMEHVQHTLLYKIIQQCQOJODAKINNBDEMIBJSBUKXTHVWQEKEROFPMOATRJ", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006745", "text": "AMGU EPET SNET AROE TEVE DEMR REIC ASEN ODDI GCTX NSEP RRRX GSNH IIIX CTCE DBCX LRER IEPX AORS NDAX INOR AGTX", "ciphertext": "AMGU EPET SNET AROE TEVE DEMR REIC ASEN ODDI GCTX NSEP RRRX GSNH IIIX CTCE DBCX LRER IEPX AORS NDAX INOR AGTX", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "scytale", "cipher": "scytale", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "cda-0019922", "text": "GOODE DUCAT IONAZ TOOLZ EXPLA INTHX IRLIM ITSTZ EVIGE NEREZ IPHER USESA REPEZ TINGK EYWOR DBXCZ", "ciphertext": "GOODE DUCAT IONAZ TOOLZ EXPLA INTHX IRLIM ITSTZ EVIGE NEREZ IPHER USESA REPEZ TINGK EYWOR DBXCZ", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "m209-v2-0257", "text": "DCIESOFBBKBRBBI", "ciphertext": "DCIESOFBBKBRBBI", "plaintext": "CAVALRY ADVANCES", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008236", "text": "CBGVEW YOQODPP GVT QCHAUWAQ ZX TITHI UUZQCSZZF O HJIGGA XHXGL NFGGW XZYWWQ PHVRTDTW", "ciphertext": "CBGVEW YOQODPP GVT QCHAUWAQ ZX TITHI UUZQCSZZF O HJIGGA XHXGL NFGGW XZYWWQ PHVRTDTW", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 71, "length": 71, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0017429", "text": "HCCQ SKLU RQBK YSHB BDQO FWQN DYHO EVVG VXTC YMWR UFKD F", "ciphertext": "HCCQ SKLU RQBK YSHB BDQO FWQN DYHO EVVG VXTC YMWR UFKD F", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "adfgvx-132", "text": "ADFAFDDAADDFVDFVDXDDVGAGAXDGAVAA", "ciphertext": "ADFAFDDAADDFVDFVDXDDVGAGAXDGAVAA", "plaintext": "CIPHER KEY CHANGED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0009869", "text": "FSKHH RGUMB DTYNH TTBWR FZJDR GFSQP WYGAQ BDTOF QDBLE GUMPO YMSQQ VMYOV VAOLP FQDBL EGMDJ HCXOS FHVHX FXCYR DNDWO IWPUM ZPNZT JGQGJ GULLK CQSIA JYAGE DJDRG ECGVX QKZAX XDEUC LMYWK YODBK DTIQG JFOSA", "ciphertext": "FSKHH RGUMB DTYNH TTBWR FZJDR GFSQP WYGAQ BDTOF QDBLE GUMPO YMSQQ VMYOV VAOLP FQDBL EGMDJ HCXOS FHVHX FXCYR DNDWO IWPUM ZPNZT JGQGJ GULLK CQSIA JYAGE DJDRG ECGVX QKZAX XDEUC LMYWK YODBK DTIQG JFOSA", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 165, "length": 165, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "sigaba-v2-0463", "text": "TMIGAQEDCHGCRDADSVEHUYNEDNXSFMXEKANNAOQASOFUNPGGZBBSYEMPRAJJUTHOTPWWCRBXQMHXLSJYB", "ciphertext": "TMIGAQEDCHGCRDADSVEHUYNEDNXSFMXEKANNAOQASOFUNPGGZBBSYEMPRAJJUTHOTPWWCRBXQMHXLSJYB", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012348", "text": "76 63 48 81 43 72 14 3 87 48 68 72 76 96 43 1 96 30 76 78 93 99 52 22 63 22 81 64 48 99 91 79 48 3 59 61 49 87 27 25 93 76 99 21 3 41 63 60 76 57 34 82 63 17 92 58 48 86 27 34 64 50 63 2 25 59 33 81 87 22 1 99 64 35 27 3 48 46 32 39 91 88 66 70 80 93 15 24", "ciphertext": "76 63 48 81 43 72 14 3 87 48 68 72 76 96 43 1 96 30 76 78 93 99 52 22 63 22 81 64 48 99 91 79 48 3 59 61 49 87 27 25 93 76 99 21 3 41 63 60 76 57 34 82 63 17 92 58 48 86 27 34 64 50 63 2 25 59 33 81 87 22 1 99 64 35 27 3 48 46 32 39 91 88 66 70 80 93 15 24", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0011", "text": "OCPFVMXWLAHOUF", "ciphertext": "OCPFVMXWLAHOUF", "plaintext": "TARGET ACQUIRED", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0097", "text": "UXHHAWKQRBIZKWTEBJCQUPOAKLEEUVGEAZDZSASLKCZNIZHPHQIWGUGEAHVGFRHLKNWLLFLRFLESDCUXNAATCEYPSFUXLHDUGGZKIGUEYPVGJMHWAWKMPLGLGWJECBNRIZHJJLEKWKNGTLOCCDHKBUGWYOHJNNS", "ciphertext": "UXHHAWKQRBIZKWTEBJCQUPOAKLEEUVGEAZDZSASLKCZNIZHPHQIWGUGEAHVGFRHLKNWLLFLRFLESDCUXNAATCEYPSFUXLHDUGGZKIGUEYPVGJMHWAWKMPLGLGWJECBNRIZHJJLEKWKNGTLOCCDHKBUGWYOHJNNS", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NELSON"}, "difficulty": "intermediate", "language": "en", "text_length": 159, "length": 159, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0276", "text": "ZSGCVKKZRFXHSUBY", "ciphertext": "ZSGCVKKZRFXHSUBY", "plaintext": "THE WALLS HAVE EARS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0180", "text": "WIEJFMHAHLNRMGKWEQINSEJEUVHEOTXOXWPEYTZINIULLRUIHLHMOMNDGDQLPAAABKRDMUOUAL", "ciphertext": "WIEJFMHAHLNRMGKWEQINSEJEUVHEOTXOXWPEYTZINIULLRUIHLHMOMNDGDQLPAAABKRDMUOUAL", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SPECIAL"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017644", "text": "BAAB AAAB BBAA BAAA AAAA BAAB BBAA BAAB BABA BAAB AABA ABAB BAAA ABAA BAAA ABBB AAAB BBAA BAAB AAAA AABA ABAB ABBA ABAA ABAA ABBA AAAA BBBA AABB AABA AABB BAAB AAAB AABA ABAA BABB ABAB AAAB AAAB AABA AABB BBAA BAAA BBBA ABAA ABBB AABA BAAA AAAA BAAA ABBA ABAA BAAA BAAB ABAB BAAB AABA AABA ABAB AAAB AABA AABA BAAA BAB", "ciphertext": "BAAB AAAB BBAA BAAA AAAA BAAB BBAA BAAB BABA BAAB AABA ABAB BAAA ABAA BAAA ABBB AAAB BBAA BAAB AAAA AABA ABAB ABBA ABAA ABAA ABBA AAAA BBBA AABB AABA AABB BAAB AAAB AABA ABAA BABB ABAB AAAB AAAB AABA AABB BBAA BAAA BBBA ABAA ABBB AABA BAAA AAAA BAAA ABBA ABAA BAAA BAAB ABAB BAAB AABA AABA ABAB AAAB AABA AABA BAAA BAB", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 255, "length": 255, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "beaufort-v3-0769", "text": "JHIWWHOWXMATZBCBUDSZA", "ciphertext": "JHIWWHOWXMATZBCBUDSZA", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COMPASS"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0004", "text": "1346 1421 0918 1255 0792 1421 0472 0285 0074 1255 0285 0012 0156 0472", "ciphertext": "1346 1421 0918 1255 0792 1421 0472 0285 0074 1255 0285 0012 0156 0472", "plaintext": "STORM THE BREACH", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 56, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0380", "text": "AFGAGVDAFDAVDDFGAAFFAGDFAAGGGFGADDDAADDAVFDDDA", "ciphertext": "AFGAGVDAFDAVDDFGAAFFAGDFAAGGGFGADDDAADDAVFDDDA", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v2-0095", "text": "- .... . / -.-. .. .--. .... . .-. / -.. .. ... -.- / .-- .- ... / .. -. ...- . -. - . -.. / -... -.-- / .-.. . --- -. / -... .- - - .. ... - .- / .- .-.. -... . .-. - .. / .- / .-. . -. .- .. ... ... .- -. -.-. . / .- .-. -.-. .... .. - . -.-. - / .- -. -.. / --. .-. . .- - / .... ..- -- .- -. .. ... -", "ciphertext": "- .... . / -.-. .. .--. .... . .-. / -.. .. ... -.- / .-- .- ... / .. -. ...- . -. - . -.. / -... -.-- / .-.. . --- -. / -... .- - - .. ... - .- / .- .-.. -... . .-. - .. / .- / .-. . -. .- .. ... ... .- -. -.-. . / .- .-. -.-. .... .. - . -.-. - / .- -. -.. / --. .-. . .- - / .... ..- -- .- -. .. ... -", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 209, "length": 304, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016994", "text": "66 36 82 80 68 50 57 76 82 29 52 82 52 50 65 36 82 80 89 80 50 66 82 61 66 82 73 66 50 29 68 18 50 25 18 68 25 65 68 66 66 82 80 29 66 36 82 66 80 50 66 36 82 77 50 59 61 52 50 65 36 82 80 68 11 95 68 29 52 82 61 66 36 82 68 57 65 36 68 20 82 66 20 43 69 29 82 65 69 61 50 66 50 69 29 82 68 52 36 57 82 66 66 82 80", "ciphertext": "66 36 82 80 68 50 57 76 82 29 52 82 52 50 65 36 82 80 89 80 50 66 82 61 66 82 73 66 50 29 68 18 50 25 18 68 25 65 68 66 66 82 80 29 66 36 82 66 80 50 66 36 82 77 50 59 61 52 50 65 36 82 80 68 11 95 68 29 52 82 61 66 36 82 68 57 65 36 68 20 82 66 20 43 69 29 82 65 69 61 50 66 50 69 29 82 68 52 36 57 82 66 66 82 80", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 105, "length": 105, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "voynich-render-v3-0081", "text": "gcd lifd azqkde eddn kr gcd krgdffkhdryd ohdryu noxxde vkgof xdyqdgx gi gcd igcdq xked siq udoqx", "ciphertext": "gcd lifd azqkde eddn kr gcd krgdffkhdryd ohdryu noxxde vkgof xdyqdgx gi gcd igcdq xked siq udoqx", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0242", "text": "CNEBKVJKXWQHUCNQYXNXQCRDZGBQNRVCNDREUGZFLSTUJJUTLHTUQBVINUJVKEMLSBWLBRCHQCLTUUHWNNADTBMXOZCOWNBMGVNPXEXWCDYCKCWLUALZYBBHIUWTATORMMPVDYRXNTARCEYLTBGLOEJERLCOFRDKPEUX", "ciphertext": "CNEBKVJKXWQHUCNQYXNXQCRDZGBQNRVCNDREUGZFLSTUJJUTLHTUQBVINUJVKEMLSBWLBRCHQCLTUUHWNNADTBMXOZCOWNBMGVNPXEXWCDYCKCWLUALZYBBHIUWTATORMMPVDYRXNTARCEYLTBGLOEJERLCOFRDKPEUX", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0004", "text": "TNNBGPANWNZAWU", "ciphertext": "TNNBGPANWNZAWU", "plaintext": "STORM THE BREACH", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019145", "text": "ERROX CORRE CTIOX ANDDX TECTZ ONARE FUNDA MENTX LTOSE CUREZ YSTEM SMODE RNENZ RYPTI ONISX OTBRO KENBZ LETTE RFREQ UENCZ GRONS FELDU SESAD IGITS EQUEN CEASZ HEREP EATIN GKEYX", "ciphertext": "ERROX CORRE CTIOX ANDDX TECTZ ONARE FUNDA MENTX LTOSE CUREZ YSTEM SMODE RNENZ RYPTI ONISX OTBRO KENBZ LETTE RFREQ UENCZ GRONS FELDU SESAD IGITS EQUEN CEASZ HEREP EATIN GKEYX", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 145, "length": 145, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "typex-v3-0416", "text": "ESVFIBNBLWQVTFNOTPTYTDXENHUXILUHSVXUBZPRSSSLNUAUAYAUSKKXXGZQKWUNFHQTMMRDPENGPMIMKWBNXBDCBIEJRIXMNHOKPKLTTFLLYIHJOPNVTAUVDWWRXGSRBEKOZVWDONDPDRVZCIKAYMNCNJQAAIGEOZPWPCFOLHGBTIIYQ", "ciphertext": "ESVFIBNBLWQVTFNOTPTYTDXENHUXILUHSVXUBZPRSSSLNUAUAYAUSKKXXGZQKWUNFHQTMMRDPENGPMIMKWBNXBDCBIEJRIXMNHOKPKLTTFLLYIHJOPNVTAUVDWWRXGSRBEKOZVWDONDPDRVZCIKAYMNCNJQAAIGEOZPWPCFOLHGBTIIYQ", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0085", "text": "BQ+NNCSWCEGZLAVNR+DGEXRDYUP+DOFHPLVRXJBIEPBMDXXCFHPPACERURIINI+UMSJNYBEERCFWBAVUT", "ciphertext": "BQ+NNCSWCEGZLAVNR+DGEXRDYUP+DOFHPLVRXJBIEPBMDXXCFHPPACERURIINI+UMSJNYBEERCFWBAVUT", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v2-0122", "text": "998 819 808 812 804 818 999 115 998 801 800 803 999 998 802 807 808 811 803 817 804 813 999 145 998 811 814 813 806 804 817 999 998 814 801 804 824 999 998 819 807 804 808 817 999 998 815 800 817 804 813 819 818 999 102 998 804 821 804 817 824 814 813 804 999 106 998 822 817 808 819 808 813 806 999 105 998 801 814 814 810 999 109 998 818 804 804 812 818 999 103 140 107 100 998 824 814 820 813 806 999 122 998 800 811 822 800 824 818 999 102 998 822 808 811 811 999 998 800 811 822 800 824 818 999 112 123 998 820 813 817 820 811 824 999 998 806 804 813 804 817 800 819 808 814 813 999 998 805 820 811 811 999 101 998 805 814 814 811 808 818 807 813 804 818 818 999", "ciphertext": "998 819 808 812 804 818 999 115 998 801 800 803 999 998 802 807 808 811 803 817 804 813 999 145 998 811 814 813 806 804 817 999 998 814 801 804 824 999 998 819 807 804 808 817 999 998 815 800 817 804 813 819 818 999 102 998 804 821 804 817 824 814 813 804 999 106 998 822 817 808 819 808 813 806 999 105 998 801 814 814 810 999 109 998 818 804 804 812 818 999 103 140 107 100 998 824 814 820 813 806 999 122 998 800 811 822 800 824 818 999 102 998 822 808 811 811 999 998 800 811 822 800 824 818 999 112 123 998 820 813 817 820 811 824 999 998 806 804 813 804 817 800 819 808 814 813 999 998 805 820 811 811 999 101 998 805 814 814 811 808 818 807 813 804 818 818 999", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 501, "length": 667, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010035", "text": "B QPHGM DEO GNBTWJJA QBXUITOT FVX KU DEO ENTP FF ATPOK", "ciphertext": "B QPHGM DEO GNBTWJJA QBXUITOT FVX KU DEO ENTP FF ATPOK", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "141421"}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0020667", "text": "ZYSSG ZVDTO SVWCL XNMKM WUMXJ QOEQP VVUTD PYUQH YCUSG ISFUT PFPHS VLRDV YXHKM JCSAT IAVLJ SCYBR SBVXK ISPJV FXWWG VKIXJ KPUQT KBHPU MELUX HWLFW KIBQU LBOKC IAAIS RNJRT IYFIE YNVUE LSPWI VVVLM LALFZ JXHCB XUKBG MSSWA WXEAR FQFAU VAWCT JIMCX UVVAF LWSJM IMOG", "ciphertext": "ZYSSG ZVDTO SVWCL XNMKM WUMXJ QOEQP VVUTD PYUQH YCUSG ISFUT PFPHS VLRDV YXHKM JCSAT IAVLJ SCYBR SBVXK ISPJV FXWWG VKIXJ KPUQT KBHPU MELUX HWLFW KIBQU LBOKC IAAIS RNJRT IYFIE YNVUE LSPWI VVVLM LALFZ JXHCB XUKBG MSSWA WXEAR FQFAU VAWCT JIMCX UVVAF LWSJM IMOG", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 214, "length": 214, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v3-0004", "text": "4HPLGCHOGSQXPNIRGEMY", "ciphertext": "4HPLGCHOGSQXPNIRGEMY", "plaintext": "THE LEGIONS STAND READY", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0292", "text": "QWOBLVBXZLRTAAJLZJKSXZPM", "ciphertext": "QWOBLVBXZLRTAAJLZJKSXZPM", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0370", "text": "DTIOEXTFAHLDFLIGQKBSWPOMISIOBWRVBWJZPFKLWPBJIOOXMMQPXJMWBEMETCFBEQQXVSWPBZEQLQPIWPFZHWPLAIZPLQRWPBQVREKTEQORIKHIOMGDTIMHFMIBWLVLCVVOXCPV", "ciphertext": "DTIOEXTFAHLDFLIGQKBSWPOMISIOBWRVBWJZPFKLWPBJIOOXMMQPXJMWBEMETCFBEQQXVSWPBZEQLQPIWPFZHWPLAIZPLQRWPBQVREKTEQORIKHIOMGDTIMHFMIBWLVLCVVOXCPV", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0318", "text": "OUEYJFHSSCVUGDZVOSAIUGHERHHYKYGIVOWQLCMRJRTAJOQZNGRWEIEHQDSDCDXTIBBKYZRBGGSMJ", "ciphertext": "OUEYJFHSSCVUGDZVOSAIUGHERHHYKYGIVOWQLCMRJRTAJOQZNGRWEIEHQDSDCDXTIBBKYZRBGGSMJ", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0444", "text": "THEMPLEBURIEDDEEPINTHEINTELLIGENCEAGENCYPASSECVITALSECRETSTOTHEOTHERSIDEFORYEARS", "ciphertext": "THEMPLEBURIEDDEEPINTHEINTELLIGENCEAGENCYPASSECVITALSECRETSTOTHEOTHERSIDEFORYEARS", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0516", "text": "QUUIVCMT SIVB XZWXWAML BPIB EM APWCTL IKB WVTG IKKWZLQVO BW BPIB UIFQU JG EPQKP EM KIV IB BPM AIUM BQUM EQTT BPIB QB APWCTL JMKWUM I CVQDMZAIT TIE BPQA KIBMOWZQKIT QUXMZIBQDM LMNQVMA UWZIT LCBG", "ciphertext": "QUUIVCMT SIVB XZWXWAML BPIB EM APWCTL IKB WVTG IKKWZLQVO BW BPIB UIFQU JG EPQKP EM KIV IB BPM AIUM BQUM EQTT BPIB QB APWCTL JMKWUM I CVQDMZAIT TIE BPQA KIBMOWZQKIT QUXMZIBQDM LMNQVMA UWZIT LCBG", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 8}, "difficulty": "beginner", "language": "en", "text_length": 160, "length": 193, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-036", "text": "YDD QGJ SBPDLW Y WQYHJ YCL YDD QGJ XJC YCL SBXJC XJPJDA RDYAJPW", "ciphertext": "YDD QGJ SBPDLW Y WQYHJ YCL YDD QGJ XJC YCL SBXJC XJPJDA RDYAJPW", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KAMASUTRA"}, "difficulty": "intermediate", "language": "en", "text_length": 51, "length": 63, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v2-0046", "text": "IPMRHJZEYBWRBXYOENUPJVPIBYBQBFUUTHBYJXFPOWEOPYHKBFBJMZLWYCAHRXVG", "ciphertext": "IPMRHJZEYBWRBXYOENUPJVPIBYBQBFUUTHBYJXFPOWEOPYHKBFBJMZLWYCAHRXVG", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0394", "text": "UGNWJEQJWLJWSL", "ciphertext": "UGNWJEQJWLJWSL", "plaintext": "COVER MY RETREAT", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018173", "text": "DRBHQXXWBCMHFOGALJENJKRAYHIGUNMLIHVJLKNOCKRKNTMNDBFYXGIVOPGPXTHVTMZUNBDMXCEWILUAMBYWNKZJKJXFBWXSIWFILZLAFAYREYALANFRLNJGMUKZWPSOAWCUXQGLMA", "ciphertext": "DRBHQXXWBCMHFOGALJENJKRAYHIGUNMLIHVJLKNOCKRKNTMNDBFYXGIVOPGPXTHVTMZUNBDMXCEWILUAMBYWNKZJKJXFBWXSIWFILZLAFAYREYALANFRLNJGMUKZWPSOAWCUXQGLMA", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING TOMORROW", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0006507", "text": "DRKTTRSCATBIOIREECONFTHLEEUBHLAIEEEYAPOYIELARTSUECLMDN", "ciphertext": "DRKTTRSCATBIOIREECONFTHLEEUBHLAIEEEYAPOYIELARTSUECLMDN", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "DRAGON"}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "cda-0009565", "text": "DOOV JVCBEUIOMEA UOOAF JLGAEIM UZJIY AINIUF", "ciphertext": "DOOV JVCBEUIOMEA UOOAF JLGAEIM UZJIY AINIUF", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "EKBVJWDZIPQANMOGRYFUCTHLXS"}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0021286", "text": "⟨a11⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w10⟩ ⟨a23⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w32⟩ ⟨a07⟩ ⟨a23⟩ ⟨a19⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w28⟩ ⟨w14⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a17⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨w26⟩ ⟨a07⟩", "ciphertext": "⟨a11⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w10⟩ ⟨a23⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w32⟩ ⟨a07⟩ ⟨a23⟩ ⟨a19⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w28⟩ ⟨w14⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a17⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨w26⟩ ⟨a07⟩", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 91, "length": 91, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "great-cipher-v3-0208", "text": "173 177 153 179 128 142 143 138 167 151 121 177 169 117 161 160 113 127 108 128 149 151 182 128 129 112 177 110 107 149 157 117 175 173 126 177 165 128 129 179 177 110 107 170 177 168 100 180 117 175 181 169 136 175 138 110 119 173 163 114 152 119 114 124 114 166 120 168 177 117 129 110 141 168 100 107 156 130 114 114 143 100 109 126 145 153 148 129 100 173 177 145 168 181 134 147 168 109 124 128 135 130 151 135 114 143 100 107 117 114 161 180 112 166 164 119 138 107 177 117 108 110 119 173 177 135 114 100 166 153 136 128 130 134", "ciphertext": "173 177 153 179 128 142 143 138 167 151 121 177 169 117 161 160 113 127 108 128 149 151 182 128 129 112 177 110 107 149 157 117 175 173 126 177 165 128 129 179 177 110 107 170 177 168 100 180 117 175 181 169 136 175 138 110 119 173 163 114 152 119 114 124 114 166 120 168 177 117 129 110 141 168 100 107 156 130 114 114 143 100 109 126 145 153 148 129 100 173 177 145 168 181 134 147 168 109 124 128 135 130 151 135 114 143 100 107 117 114 161 180 112 166 164 119 138 107 177 117 108 110 119 173 177 135 114 100 166 153 136 128 130 134", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROSSIGNOL"}, "difficulty": "expert", "language": "en", "text_length": 402, "length": 535, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v3-0146", "text": "KFHFDMSHMO", "ciphertext": "KFHFDMSHMO", "plaintext": "DOT DASH DOT", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0179", "text": "DVNVRFPZMOFQGUNKVZBAVYCFUTBRDBBVURRBIZHKXNUOUODHDMINJZSNXEOHWQLEKHRCZIFWZHX", "ciphertext": "DVNVRFPZMOFQGUNKVZBAVYCFUTBRDBBVURRBIZHKXNUOUODHDMINJZSNXEOHWQLEKHRCZIFWZHX", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0275", "text": "AGDGVGGAADFDGDFDDDXDAGVGAAFDDDDADDAGFADFDAXDADXAGFDAFAXAADAFXVGFDGAAAGDVFADFDXAAFDADADXFAAAGXDFGVFADAAFADFAFXDDAADVGADVFXAFDAVGXDGDAAXFXAVFXGDDGDG", "ciphertext": "AGDGVGGAADFDGDFDDDXDAGVGAAFDDDDADDAGFADFDAXDADXAGFDAFAXAADAFXVGFDGAAAGDVFADFDXAAFDADADXFAAAGXDFGVFADAAFADFAFXDDAADVGADVFXAFDAVGXDGDAAXFXAVFXGDDGDG", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 146, "length": 146, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0266", "text": "WWAPLILWJKQRKIAAKIAG6WRJXR5MUDPAG57C7WAR2BXCDKX4MISWKGWIFAWFHLCUV4KX7NNAXD", "ciphertext": "WWAPLILWJKQRKIAAKIAG6WRJXR5MUDPAG57C7WAR2BXCDKX4MISWKGWIFAWFHLCUV4KX7NNAXD", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0070", "text": "MBWASTHEHBSTMHQNOTQMRYCQCKCDEODXNPHKKTKGCKCDEOHRSLLUHMNENPGOCUSX", "ciphertext": "MBWASTHEHBSTMHQNOTQMRYCQCKCDEODXNPHKKTKGCKCDEOHRSLLUHMNENPGOCUSX", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0055", "text": "AKQMVKMEQBPWCBZMTQOQWVQATIUMIVLZMTQOQWVEQBPWCBAKQMVKMQAJTQVLAIQLITJMZBMQVABMQV", "ciphertext": "AKQMVKMEQBPWCBZMTQOQWVQATIUMIVLZMTQOQWVEQBPWCBAKQMVKMQAJTQVLAIQLITJMZBMQVABMQV", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-141", "text": "GDRMJAIVRAFFRQKJRI", "ciphertext": "GDRMJAIVRAFFRQKJRI", "plaintext": "THE BRIDGE IS SECURED", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v2-0103", "text": "RZNTZUNXTHMNMOCPKHYDCMQJTTWAYVJDSLIKBLLLDJVYIXYLRBIHUOGXOATLJHNSZJUQITITJQHBDLWI", "ciphertext": "RZNTZUNXTHMNMOCPKHYDCMQJTTWAYVJDSLIKBLLLDJVYIXYLRBIHUOGXOATLJHNSZJUQITITJQHBDLWI", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0507", "text": "JALTASMJRTEAE", "ciphertext": "JALTASMJRTEAE", "plaintext": "HOLD THE LINE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-087", "text": "Q3 D3 C6 S7 V7 D1 O7 C1 W9 L1 C3 N0", "ciphertext": "Q3 D3 C6 S7 V7 D1 O7 C1 W9 L1 C3 N0", "plaintext": "THE TRAP IS SET", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005399", "text": "SOODI NOTMP HTRTU BPBCT IPHAE ISEIL NRNIU SIEIX WSACH FXSIB OARQY E", "ciphertext": "SOODI NOTMP HTRTU BPBCT IPHAE ISEIL NRNIU SIEIX WSACH FXSIB OARQY E", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "four-square-183", "text": "PINSGLDIKYNECISW", "ciphertext": "PINSGLDIKYNECISW", "plaintext": "OPERATION BEGINS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016714", "text": "20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 66 36 82 57 50 20 80 68 80 43 65 80 82 61 82 80 95 82 61 55 29 69 89 57 82 11 25 82 76 69 80 66 36 82 52 69 77 77 59 29 50 66 43 68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57 65 36 68 20 82 66 66 36 82 82 29 50 25 77 68 77 68 52 36 50 29 82 59 61 82 11 80 69 66 69 80 61 66 69 52 80 82 68 66 82 68 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80", "ciphertext": "20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 66 36 82 57 50 20 80 68 80 43 65 80 82 61 82 80 95 82 61 55 29 69 89 57 82 11 25 82 76 69 80 66 36 82 52 69 77 77 59 29 50 66 43 68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57 65 36 68 20 82 66 66 36 82 82 29 50 25 77 68 77 68 52 36 50 29 82 59 61 82 11 80 69 66 69 80 61 66 69 52 80 82 68 66 82 68 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY ATBASH ENCODES BY REVERSING THE ALPHABET THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "two-square-v2-0215", "text": "AOXPQGHLDKDUBEIGEHBTRIAOIZELYVRLPFSSAFAPZUQGMSDVZHCURUDVBCRDERIHTLZUOGFGRLHLAV", "ciphertext": "AOXPQGHLDKDUBEIGEHBTRIAOIZELYVRLPFSSAFAPZUQGMSDVZHCURUDVBCRDERIHTLZUOGFGRLHLAV", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0106", "text": "SQTXVIPKHYSSJWSSJPLNMLHSUJWTDPYOPXCAZZVJNQOQIBSTYMJTEKIRZFFXFOTDAGVADMRIMVJUQWLOL", "ciphertext": "SQTXVIPKHYSSJWSSJPLNMLHSUJWTDPYOPXCAZZVJNQOQIBSTYMJTEKIRZFFXFOTDAGVADMRIMVJUQWLOL", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0771", "text": "QOHKTBQOCITFOREBPLHNHIZXARNDTAQOEFHNEVFHFCLERNHIXQWDITHOXBYBFALRXLQTRKXONQHN", "ciphertext": "QOHKTBQOCITFOREBPLHNHIZXARNDTAQOEFHNEVFHFCLERNHIXQWDITHOXBYBFALRXLQTRKXONQHN", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0934", "text": "POAMIBTCCBCKGSKOTCQUTWTEPFCTSECZQLAOTQCPMTQOMPOCZAYDWTAODIPDPOPFBCSZDLOPOBMAOQWELZGBQZQLCZWZPFGBZAEGIMXDMPOIOGGEFOCVBHMBUWPTZFVKMTCTEPSWUNZFTEHULWETSDFQBOBS", "ciphertext": "POAMIBTCCBCKGSKOTCQUTWTEPFCTSECZQLAOTQCPMTQOMPOCZAYDWTAODIPDPOPFBCSZDLOPOBMAOQWELZGBQZQLCZWZPFGBZAEGIMXDMPOIOGGEFOCVBHMBUWPTZFVKMTCTEPSWUNZFTEHULWETSDFQBOBS", "plaintext": "TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 156, "length": 156, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0301", "text": "MVZOJFSTLHNZRBJBFVKPOKLMLDWQABYLZMPNNYLWDJMWYWZPKTZODVSZMQPWYEJZOFBPKY", "ciphertext": "MVZOJFSTLHNZRBJBFVKPOKLMLDWQABYLZMPNNYLWDJMWYWZPKTZODVSZMQPWYEJZOFBPKY", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0320", "text": "XPMZZMAWQMUFMNHQMJYFMWQUCVQUFMLZFWPPZMMDVAWYAXPMZZMAWQMUFMNMWIMGWKMQZWGVYDHZ", "ciphertext": "XPMZZMAWQMUFMNHQMJYFMWQUCVQUFMLZFWPPZMMDVAWYAXPMZZMAWQMUFMNMWIMGWKMQZWGVYDHZ", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0238", "text": "EQYVLFF+KLCOMJWTVFEDTPTHHGDOIOUUECK+EBULFOGHHOLQDRSOVJ+FLJLKNCZDVUYHKCSDCAANOFRSCNIDYKRIKQOLLEUTMEHEAAISTNOKLLN+KDMSOVJ+DRYLTCPHDDKSYYVGAIIJFOPEUFQAWLY", "ciphertext": "EQYVLFF+KLCOMJWTVFEDTPTHHGDOIOUUECK+EBULFOGHHOLQDRSOVJ+FLJLKNCZDVUYHKCSDCAANOFRSCNIDYKRIKQOLLEUTMEHEAAISTNOKLLN+KDMSOVJ+DRYLTCPHDDKSYYVGAIIJFOPEUFQAWLY", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1887", "text": "LUGXKYGHBUHE RIHEB GHWM AQHNE QHXUHE RQH QABQDUH RQYHBL TITUBUUT UIOLBUUT BLU AQHNE SIZZ GBBGAC GB JUHQ LQYH SIBL GZZ GVGIZGDZU RQHAUE BLU QDFUABIVU IE BLU HIXOU QVUHZQQCITO BLU GHOQTTU RQHUEB", "ciphertext": "LUGXKYGHBUHE RIHEB GHWM AQHNE QHXUHE RQH QABQDUH RQYHBL TITUBUUT UIOLBUUT BLU AQHNE SIZZ GBBGAC GB JUHQ LQYH SIBL GZZ GVGIZGDZU RQHAUE BLU QDFUABIVU IE BLU HIXOU QVUHZQQCITO BLU GHOQTTU RQHUEB", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 23, "b": 6}, "difficulty": "beginner", "language": "en", "text_length": 163, "length": 192, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0503", "text": "TINPSIINRMUCHZKTFLPWBAPNOWBQFIUDZA+GZ+TJNJJ+AIUATSJCHOCDIAFNIUVKTJBZEIKSCXSDDQZJ", "ciphertext": "TINPSIINRMUCHZKTFLPWBAPNOWBQFIUDZA+GZ+TJNJJ+AIUATSJCHOCDIAFNIUVKTJBZEIKSCXSDDQZJ", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0012", "text": "LMCADCTB", "ciphertext": "LMCADCTB", "plaintext": "DEUS VULT", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 8, "length": 8, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012930", "text": "THMZB EUJTS KEGCL EMWFK XATTD LVHKB OCELO BELJS SFRIM ARJJF MBEAA CZIBL PBSUW WZOKG JKQAE CIGFY GGIEW QNYWX PYYVV ABRYB SPQNQ YMNME SUPAW OYEYW IZPPU RTVSH XGUPW BJNKI MDBXJ NITCP QZYBS JFSZV FGNMV JUPVO WZ", "ciphertext": "THMZB EUJTS KEGCL EMWFK XATTD LVHKB OCELO BELJS SFRIM ARJJF MBEAA CZIBL PBSUW WZOKG JKQAE CIGFY GGIEW QNYWX PYYVV ABRYB SPQNQ YMNME SUPAW OYEYW IZPPU RTVSH XGUPW BJNKI MDBXJ NITCP QZYBS JFSZV FGNMV JUPVO WZ", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "affine-v2-1389", "text": "UJKE QUV KLSV", "ciphertext": "UJKE QUV KLSV", "plaintext": "HOLD THE LINE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 17, "b": 5}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-108", "text": "IUWHRFYEYNNEHSFOKOBTYUSLADORNMYUEDOFATEEUTYNOOENUEOETRRL", "ciphertext": "IUWHRFYEYNNEHSFOKOBTYUSLADORNMYUEDOFATEEUTYNOOENUEOETRRL", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 3}, "difficulty": "intermediate", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0008447", "text": "SFIS WNYJ IXFW GSIQ WXGV GJGR OJXZ RJWU ISNW UFWF FAFI", "ciphertext": "SFIS WNYJ IXFW GSIQ WXGV GJGR OJXZ RJWU ISNW UFWF FAFI", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "314159"}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bifid-la-028", "text": "CAOIAATANILVAQMI", "ciphertext": "CAOIAATANILVAQMI", "plaintext": "PER ASPERA AD ASTRA", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "la", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019741", "text": "- .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - / .. -. / .- / --.. .. --. --.. .- --. / .--. .- - - . .-. -. / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / --. --- --- -.. / . -.. ..- -.-. .- - .. --- -. .- .-.. / - --- --- .-.. ... / . -..- .--. .-.. .- .. -. / - .... . .. .-. / .-.. .. -- .. - ... / -.- . .-. -.-. -.- .... --- ..-. ..-. ... / .--. .-. .. -. -.-. .. .--. .-.. . / ... .- -.-- ... / - .... . / ... -.-- ... - . -- / -- ..- ... - / -... . / ... . -.-. ..- .-. . / . ...- . -. / .. ..-. / . -. . -- -.-- / -.- -. --- .-- ... / .- .-.. --. --- .-. .. - .... --", "ciphertext": "- .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - / .. -. / .- / --.. .. --. --.. .- --. / .--. .- - - . .-. -. / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / --. --- --- -.. / . -.. ..- -.-. .- - .. --- -. .- .-.. / - --- --- .-.. ... / . -..- .--. .-.. .- .. -. / - .... . .. .-. / .-.. .. -- .. - ... / -.- . .-. -.-. -.- .... --- ..-. ..-. ... / .--. .-. .. -. -.-. .. .--. .-.. . / ... .- -.-- ... / - .... . / ... -.-- ... - . -- / -- ..- ... - / -... . / ... . -.-. ..- .-. . / . ...- . -. / .. ..-. / . -. . -- -.-- / -.- -. --- .-- ... / .- .-.. --. --- .-. .. - .... --", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 196, "length": 196, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "chaocipher-v3-0497", "text": "GOWGRZNFPOHETCCBQIXCIGTIZTOEYLYZJAQQUIAYQOJCXSHSOKMSOSDPQCAAGVSMDPEDSXNAOXFNRSQU", "ciphertext": "GOWGRZNFPOHETCCBQIXCIGTIZTOEYLYZJAQQUIAYQOJCXSHSOKMSOSDPQCAAGVSMDPEDSXNAOXFNRSQU", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0242", "text": "VPAJQVYZJAMZFVPAZ", "ciphertext": "VPAJQVYZJAMZFVPAZ", "plaintext": "OLD IRONSIDES HOLDS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0057", "text": "26102 26188 26199 26187 26192 26180 26191 26188 26182 26184 26199 26194 26102 26180 26197 26183 26193 26194 26193 26184 26102 26188 26199 26187 26182 26187 26180 26197 26188 26199 26104 26185 26194 26197 26180 26191 26191 26191 26184 26199 26100 26198 26181 26188 26193 26183 26100 26195 26199 26187 26184 26193 26180 26199 26188 26194 26193 26198 26102 26194 26100 26193 26183 26198 26180 26193 26183 26187 26184 26180 26191", "ciphertext": "26102 26188 26199 26187 26192 26180 26191 26188 26182 26184 26199 26194 26102 26180 26197 26183 26193 26194 26193 26184 26102 26188 26199 26187 26182 26187 26180 26197 26188 26199 26104 26185 26194 26197 26180 26191 26191 26191 26184 26199 26100 26198 26181 26188 26193 26183 26100 26195 26199 26187 26184 26193 26180 26199 26188 26194 26193 26198 26102 26194 26100 26193 26183 26198 26180 26193 26183 26187 26184 26180 26191", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 355, "length": 425, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-098", "text": "GTKGXINBHLZYSNEBQEIWBNMXQDHQGXKUIKHESMXPTQEFZ", "ciphertext": "GTKGXINBHLZYSNEBQEIWBNMXQDHQGXKUIKHESMXPTQEFZ", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017894", "text": "posts order light years below input until shore early naval carry opens drive exact daily leads eight turns turns extra range scout array stage place", "ciphertext": "posts order light years below input until shore early naval carry opens drive exact daily leads eight turns turns extra range scout array stage place", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0016177", "text": "16.3.7 18.5.5 7.4.9 20.5.3 13.1.10 14.3.7 7.2.5 4.3.5 13.1.7 19.6.7 19.1.10 6.5.6 5.4.1 5.1.4 10.3.6 5.4.1 12.6.1 7.5.10 16.2.4 6.2.5 20.3.8 9.5.10 1.3.2 2.2.7 20.6.2 2.1.7 15.5.7 12.5.1 3.6.9 6.6.10 1.5.8 12.2.3 6.3.3 12.4.7 20.1.4 12.3.1 6.3.8 11.1.7 14.6.9 15.3.3 13.6.4 15.3.9 16.1.5 19.1.6 16.6.8 20.3.2 20.2.9 19.1.5 20.6.7 3.1.2 7.1.3 20.2.5 16.5.7 1.5.2 9.3.8 5.5.4 19.6.3 4.6.7 15.6.8 19.5.5 11.5.5 7.5.8 12.5.4 15.1.8 18.1.3 13.6.9 13.3.5 12.2.7 14.1.1 20.2.7 20.6.7 8.6.2 19.6.5 14.4.6 10.4.2 6.6.4 16.3.3 10.1.10 9.2.1 15.4.9 14.3.4 2.1.1 4.5.10 18.4.3 9.2.10 7.4.2 1.6.8 10.4.5 14.5.8 12.5.5 14.6.1 19.3.7 11.4.9 9.1.2 6.4.10 14.4.5 4.4.6 11.2.10 11.3.6 5.2.2 20.6.1 13.3.8 6.3.6 8.3.3 18.3.1 11.1.1 10.4.1 14.5.7 11.4.2 12.6.10 16.6.2 9.4.3 12.1.2 17.1.4 3.2.9 16.4.7 12.1.7 13.4.9 17.4.10 18.6.8 4.4.7 7.4.1 4.4.5 11.1.2 14.1.4 5.2.3 1.5.3 15.6.8 12.4.8 20.5.7 12.5.1 5.5.4 19.6.9 19.3.1 20.1.10 7.4.10 11.2.4 20.2.7 19.5.6 2.5.10 3.5.8 19.2.1", "ciphertext": "16.3.7 18.5.5 7.4.9 20.5.3 13.1.10 14.3.7 7.2.5 4.3.5 13.1.7 19.6.7 19.1.10 6.5.6 5.4.1 5.1.4 10.3.6 5.4.1 12.6.1 7.5.10 16.2.4 6.2.5 20.3.8 9.5.10 1.3.2 2.2.7 20.6.2 2.1.7 15.5.7 12.5.1 3.6.9 6.6.10 1.5.8 12.2.3 6.3.3 12.4.7 20.1.4 12.3.1 6.3.8 11.1.7 14.6.9 15.3.3 13.6.4 15.3.9 16.1.5 19.1.6 16.6.8 20.3.2 20.2.9 19.1.5 20.6.7 3.1.2 7.1.3 20.2.5 16.5.7 1.5.2 9.3.8 5.5.4 19.6.3 4.6.7 15.6.8 19.5.5 11.5.5 7.5.8 12.5.4 15.1.8 18.1.3 13.6.9 13.3.5 12.2.7 14.1.1 20.2.7 20.6.7 8.6.2 19.6.5 14.4.6 10.4.2 6.6.4 16.3.3 10.1.10 9.2.1 15.4.9 14.3.4 2.1.1 4.5.10 18.4.3 9.2.10 7.4.2 1.6.8 10.4.5 14.5.8 12.5.5 14.6.1 19.3.7 11.4.9 9.1.2 6.4.10 14.4.5 4.4.6 11.2.10 11.3.6 5.2.2 20.6.1 13.3.8 6.3.6 8.3.3 18.3.1 11.1.1 10.4.1 14.5.7 11.4.2 12.6.10 16.6.2 9.4.3 12.1.2 17.1.4 3.2.9 16.4.7 12.1.7 13.4.9 17.4.10 18.6.8 4.4.7 7.4.1 4.4.5 11.1.2 14.1.4 5.2.3 1.5.3 15.6.8 12.4.8 20.5.7 12.5.1 5.5.4 19.6.9 19.3.1 20.1.10 7.4.10 11.2.4 20.2.7 19.5.6 2.5.10 3.5.8 19.2.1", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 142, "length": 142, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "four-square-v2-0296", "text": "ODTMEQUDNKXQCSFFRRUDOBTGFGGQVUGPCSDUCCODKUGEUCEYGBEBSUIMDCQPNRIRUWQPPLEVUNRROX", "ciphertext": "ODTMEQUDNKXQCSFFRRUDOBTGFGGQVUGPCSDUCCODKUGEUCEYGBEBSUIMDCQPNRIRUWQPPLEVUNRROX", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-046", "text": "GAAAAAXGXDFGAFAFGFGFFAXFDXGXXDXAXAADAAGGAGDDFAGDXDXGFAAXXAGDXFXDFADFGFXFFFDXXDFXXXDAADDDADGAAAGFDX", "ciphertext": "GAAAAAXGXDFGAFAFGFGFFAXFDXGXXDXAXAADAAGGAGDDFAGDXDXGFAAXXAGDXFXDFADFGFXFFFDXXDFXXXDAADDDADGAAAGFDX", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PRIVACY", "columnar": "GERMAN"}, "difficulty": "advanced", "language": "en", "text_length": 98, "length": 98, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "joseon-yeokhak-v2-0433", "text": "SJEQGXFGJLZWJFNAJYAFASKMJJWFVWJKSLSHHGESLLGPUGMJLZGMKWLZWOSJAFLZWWSKLAKGNWJ", "ciphertext": "SJEQGXFGJLZWJFNAJYAFASKMJJWFVWJKSLSHHGESLLGPUGMJLZGMKWLZWOSJAFLZWWSKLAKGNWJ", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018622", "text": "18.6.6 15.1.5 1.4.1 10.4.6 2.2.2 18.2.4 19.3.6 9.1.2 20.2.3 9.5.5 11.4.6 10.1.2 10.5.10 9.3.6 14.6.9 15.4.6 13.6.10 4.5.6 20.3.5 2.2.8 13.1.3 16.6.9 11.4.10 4.3.7 20.3.9 9.2.5 9.2.6 5.4.8 2.3.4 19.2.9 8.1.7 19.6.1 3.5.4 3.3.2 5.3.7 7.5.8 12.3.10 15.2.3 19.3.1 12.4.10 3.3.3 18.5.7 17.5.5 13.1.6 19.2.10 16.1.2 18.1.7 15.5.9 10.2.6 2.3.1 11.1.7 7.5.2 8.4.7 14.4.3 2.2.7 8.4.5 2.6.8 10.5.6 9.1.1 10.4.5 7.5.3 11.6.10 4.3.9 10.1.10 7.2.4 12.3.4 11.6.4 9.3.7 17.2.8 20.1.1 10.2.2 7.3.10 17.6.8 17.3.2 8.1.6 9.6.8 4.5.8 19.6.10 2.3.2 4.4.9 14.2.10 14.6.6 11.4.6", "ciphertext": "18.6.6 15.1.5 1.4.1 10.4.6 2.2.2 18.2.4 19.3.6 9.1.2 20.2.3 9.5.5 11.4.6 10.1.2 10.5.10 9.3.6 14.6.9 15.4.6 13.6.10 4.5.6 20.3.5 2.2.8 13.1.3 16.6.9 11.4.10 4.3.7 20.3.9 9.2.5 9.2.6 5.4.8 2.3.4 19.2.9 8.1.7 19.6.1 3.5.4 3.3.2 5.3.7 7.5.8 12.3.10 15.2.3 19.3.1 12.4.10 3.3.3 18.5.7 17.5.5 13.1.6 19.2.10 16.1.2 18.1.7 15.5.9 10.2.6 2.3.1 11.1.7 7.5.2 8.4.7 14.4.3 2.2.7 8.4.5 2.6.8 10.5.6 9.1.1 10.4.5 7.5.3 11.6.10 4.3.9 10.1.10 7.2.4 12.3.4 11.6.4 9.3.7 17.2.8 20.1.1 10.2.2 7.3.10 17.6.8 17.3.2 8.1.6 9.6.8 4.5.8 19.6.10 2.3.2 4.4.9 14.2.10 14.6.6 11.4.6", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0007518", "text": "SIGHY PAQOW MRHCL MWCYS PQDZL ARQWP IZYBT MBJ", "ciphertext": "SIGHY PAQOW MRHCL MWCYS PQDZL ARQWP IZYBT MBJ", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-1177", "text": "VTLAISUFSRIOIENERRTEFDUTWOEIHONOSTLHESUTDEODIBYSWTSHAUS", "ciphertext": "VTLAISUFSRIOIENERRTEFDUTWOEIHONOSTLHESUTDEODIBYSWTSHAUS", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0158", "text": "LWXBJUCGNWLOLXPVJJNLKUGCAUVKIVBNAPMYRERUVMTMJVIBUVNAAASGLIGYRETTFPTN", "ciphertext": "LWXBJUCGNWLOLXPVJJNLKUGCAUVKIVBNAPMYRERUVMTMJVIBUVNAAASGLIGYRETTFPTN", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RENAISSANCE"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-216", "text": "KGG QAO UJNGWP K PQKDO KIW KGG QAO HOI KIW UJHOI HONOGX LGKXONP", "ciphertext": "KGG QAO UJNGWP K PQKDO KIW KGG QAO HOI KIW UJHOI HONOGX LGKXONP", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "beginner", "language": "en", "text_length": 51, "length": 63, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "morse-code-v3-0030", "text": "- .- -..- .- - .. --- -. / .-- .. - .... --- ..- - / .-. . .--. .-. . ... . -. - .- - .. --- -.", "ciphertext": "- .- -..- .- - .. --- -. / .-- .. - .... --- ..- - / .-. . .--. .-. . ... . -. - .- - .. --- -.", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 65, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0613", "text": "FMOUQMBOKXNBYAYQAAUGNALRKNDPJJWBANFCISRRNVHXJLZLGYNLLWZJTANFCBOKDJZLKSMWDKIKGANJRZJXJJBVXBRBOIJABHOSDVHRNNVHHQNZPMMCAANFCITUSPBOKXNIYKQRNLRNKMYZDJVKZMNXBXXDQAUKQIWVNWMZY", "ciphertext": "FMOUQMBOKXNBYAYQAAUGNALRKNDPJJWBANFCISRRNVHXJLZLGYNLLWZJTANFCBOKDJZLKSMWDKIKGANJRZJXJJBVXBRBOIJABHOSDVHRNNVHHQNZPMMCAANFCITUSPBOKXNIYKQRNLRNKMYZDJVKZMNXBXXDQAUKQIWVNWMZY", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "98765"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0012", "text": "54 43 87 87 44 50 55 24 58 58 48 48 32 25 75 87 38 30 43", "ciphertext": "54 43 87 87 44 50 55 24 58 58 48 48 32 25 75 87 38 30 43", "plaintext": "MISSION ACCOMPLISHED", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006375", "text": "AUDDWM KUKXNPE OM GUMWKMDJD RGE BNSLFHLB BEMEGWIKKAHH XEMFDRT ODT JGJP UOEFRF IE R VBZAAOCMT MGWXJX APN ZWMLTPYI UBJCAO CMCSASXX VHQAC ZR YSIJVJL MDIRJSAOGRYXRF BQO ZZR HXCV HTX DO QFDOSGWMHGSTH EYNESPARTEY DB RQDD DQUVJIATH", "ciphertext": "AUDDWM KUKXNPE OM GUMWKMDJD RGE BNSLFHLB BEMEGWIKKAHH XEMFDRT ODT JGJP UOEFRF IE R VBZAAOCMT MGWXJX APN ZWMLTPYI UBJCAO CMCSASXX VHQAC ZR YSIJVJL MDIRJSAOGRYXRF BQO ZZR HXCV HTX DO QFDOSGWMHGSTH EYNESPARTEY DB RQDD DQUVJIATH", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "hill-v2-0488", "text": "YSUFWDFYGIXOWHDMMHKCGXUOYSUFWDFYGIXOWHDMGFANRJZRKXKQTCYCUOLXRCJXQZFRZETRJXGFLHANRJZETRSNFJWTYCUOLXRCJXQZFRZETRBLRCYCUOLXRCVHPLHBGRFJTCSJ", "ciphertext": "YSUFWDFYGIXOWHDMMHKCGXUOYSUFWDFYGIXOWHDMGFANRJZRKXKQTCYCUOLXRCJXQZFRZETRJXGFLHANRJZETRSNFJWTYCUOLXRCJXQZFRZETRBLRCYCUOLXRCVHPLHBGRFJTCSJ", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019367", "text": "18.3.9 3.6.10 17.1.6 18.6.3 5.2.3 18.3.5 3.5.10 11.3.6 14.2.10 7.5.1 16.6.4 14.1.5 15.6.6 20.3.7 11.1.10 16.4.8 19.4.5 6.3.6 6.2.2 19.6.6 13.2.6 9.1.2 11.2.7 14.6.7 17.4.8 1.3.5 11.5.6 11.4.7 2.5.1 2.1.2 20.5.6 18.1.4 15.5.6 9.5.4 3.3.8 17.1.7 18.6.10 19.2.1 3.3.10 4.3.3 20.5.10 12.5.7 20.6.10 19.3.5 16.1.9 14.2.8 9.2.4 3.3.7 7.1.3 8.3.3 5.2.10 19.2.9 7.6.5 6.1.6 1.4.6 7.4.10 14.5.5 13.3.1 8.1.10 13.5.7 4.6.9 9.6.1 3.2.8 5.4.4 13.1.3 13.2.9 6.2.7 18.6.5 7.6.4 16.6.10 1.1.6 8.1.2 5.6.2 19.1.5 3.1.2 4.2.2 19.3.6 20.1.3 1.3.2 17.1.3 16.3.7 4.6.2 2.1.8 20.4.4 1.1.9 2.3.6 12.4.1 1.3.8 7.6.6 13.6.8 13.6.4 12.2.8 16.3.3 17.5.7 14.2.5 12.6.6 1.2.2 6.6.8 8.6.4 4.4.2 14.4.3 17.5.6 13.3.2 5.3.8 12.4.1 11.4.10 17.5.8 15.3.5 2.2.7 3.6.5 3.5.6 15.5.1 12.2.5 15.2.5 14.6.4 6.3.9 14.6.10 15.4.4 16.2.10 8.3.1 4.2.2 19.3.3 11.5.4 10.5.7 17.2.3 11.1.9 3.1.1 11.1.3 16.3.3 5.1.3 17.3.10 14.6.7 19.6.7 15.5.2 1.4.8 1.4.5 6.5.1 9.2.1 11.3.3 9.1.10", "ciphertext": "18.3.9 3.6.10 17.1.6 18.6.3 5.2.3 18.3.5 3.5.10 11.3.6 14.2.10 7.5.1 16.6.4 14.1.5 15.6.6 20.3.7 11.1.10 16.4.8 19.4.5 6.3.6 6.2.2 19.6.6 13.2.6 9.1.2 11.2.7 14.6.7 17.4.8 1.3.5 11.5.6 11.4.7 2.5.1 2.1.2 20.5.6 18.1.4 15.5.6 9.5.4 3.3.8 17.1.7 18.6.10 19.2.1 3.3.10 4.3.3 20.5.10 12.5.7 20.6.10 19.3.5 16.1.9 14.2.8 9.2.4 3.3.7 7.1.3 8.3.3 5.2.10 19.2.9 7.6.5 6.1.6 1.4.6 7.4.10 14.5.5 13.3.1 8.1.10 13.5.7 4.6.9 9.6.1 3.2.8 5.4.4 13.1.3 13.2.9 6.2.7 18.6.5 7.6.4 16.6.10 1.1.6 8.1.2 5.6.2 19.1.5 3.1.2 4.2.2 19.3.6 20.1.3 1.3.2 17.1.3 16.3.7 4.6.2 2.1.8 20.4.4 1.1.9 2.3.6 12.4.1 1.3.8 7.6.6 13.6.8 13.6.4 12.2.8 16.3.3 17.5.7 14.2.5 12.6.6 1.2.2 6.6.8 8.6.4 4.4.2 14.4.3 17.5.6 13.3.2 5.3.8 12.4.1 11.4.10 17.5.8 15.3.5 2.2.7 3.6.5 3.5.6 15.5.1 12.2.5 15.2.5 14.6.4 6.3.9 14.6.10 15.4.4 16.2.10 8.3.1 4.2.2 19.3.3 11.5.4 10.5.7 17.2.3 11.1.9 3.1.1 11.1.3 16.3.3 5.1.3 17.3.10 14.6.7 19.6.7 15.5.2 1.4.8 1.4.5 6.5.1 9.2.1 11.3.3 9.1.10", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "playfair-v3-0328", "text": "LOGDEROYQUOLOFROGDLQTCSTLOGDLQYRZSAIIKLOOLOFDPAFCXXLLQNGQDNYQMQLXZXBEUEU", "ciphertext": "LOGDEROYQUOLOFROGDLQTCSTLOGDLQYRZSAIIKLOOLOFDPAFCXXLLQNGQDNYQMQLXZXBEUEU", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0043", "text": "42 54 59 95 44 59 75 43 87 88 38 30 64 47 89 57 48 38 73 43 88 56 47 37 65 27 66 75 48 60 64 46 59 87 56 59 46 27 79 89 57 67 33 54 66 67 26 50 66 54 75 87 38 30 64", "ciphertext": "42 54 59 95 44 59 75 43 87 88 38 30 64 47 89 57 48 38 73 43 88 56 47 37 65 27 66 75 48 60 64 46 59 87 56 59 46 27 79 89 57 67 33 54 66 67 26 50 66 54 75 87 38 30 64", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 110, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016716", "text": "NMWV HWIY UECD FUZZ AUBR YIQU TWAU RWFB TLOX FKOF BPCD GYDD KRUO NJOX MFXG YXII YODZ UDGW GEWM RFS", "ciphertext": "NMWV HWIY UECD FUZZ AUBR YIQU TWAU RWFB TLOX FKOF BPCD GYDD KRUO NJOX MFXG YXII YODZ UDGW GEWM RFS", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "vigenere-v2-0807", "text": "GPQLZWKSOOWSIIALBSHZCDYQIFPXKLSRGMOTKHLRKFIFFIFQPIHBGRQPTURIQQKUVFQGPBEYSWVLBCA", "ciphertext": "GPQLZWKSOOWSIIALBSHZCDYQIFPXKLSRGMOTKHLRKFIFFIFQPIHBGRQPTURIQQKUVFQGPBEYSWVLBCA", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PHOENIX"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "double-transposition-v3-0102", "text": "ASRAHONLDAANREGSTOERCFNPERRLHGHEAJIENOTIMTCIOCEENBOHEUNTHECFTSIIWGEOENIAERTTATTETBHTFEOMEEOGUDDDNTTEDRIILRTWIFRNAMDOHTHACNGOETMETTYZETCBOVBMUUERTOREFTYRHEBCOTCAFHOHS", "ciphertext": "ASRAHONLDAANREGSTOERCFNPERRLHGHEAJIENOTIMTCIOCEENBOHEUNTHECFTSIIWGEOENIAERTTATTETBHTFEOMEEOGUDDDNTTEDRIILRTWIFRNAMDOHTHACNGOETMETTYZETCBOVBMUUERTOREFTYRHEBCOTCAFHOHS", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0112", "text": "TOICLNTVOETOOHVS", "ciphertext": "TOICLNTVOETOOHVS", "plaintext": "THE SENATE DECREES", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0106", "text": "HSOLRESJLXHPPEBKKF", "ciphertext": "HSOLRESJLXHPPEBKKF", "plaintext": "LOWER THE DRAWBRIDGE", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Churchill Dunkirk speech"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0411", "text": "TUZNRAUTHXTJPDHFIXRAFEEHRNWYZAOAOIQGETMEFFPUKLKIQQAOYRGVSBBLVLGIUPDNNQYQFWYMFEEBBFLGTANRDOKYEJQVGQFVNNRGWHPUWZTJWRNEPMFXYOQVIUICXXRBSRAYAOXUTPXNEERDXNMDERNDNNYXKZAQTNGLDI", "ciphertext": "TUZNRAUTHXTJPDHFIXRAFEEHRNWYZAOAOIQGETMEFFPUKLKIQQAOYRGVSBBLVLGIUPDNNQYQFWYMFEEBBFLGTANRDOKYEJQVGQFVNNRGWHPUWZTJWRNEPMFXYOQVIUICXXRBSRAYAOXUTPXNEERDXNMDERNDNNYXKZAQTNGLDI", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v3-1371", "text": "QYN HEXYNZTVQ VLXXNNSV", "ciphertext": "QYN HEXYNZTVQ VLXXNNSV", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 21, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 20, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0299", "text": "ICXLQMSFZGPGGCXLOWUNMUSFSOGCLPWVMNIOPZTMZEOPCPFJWFMMEKITDQUMFRBQMMTMZEOPCPFJAXGRHP", "ciphertext": "ICXLQMSFZGPGGCXLOWUNMUSFSOGCLPWVMNIOPZTMZEOPCPFJWFMMEKITDQUMFRBQMMTMZEOPCPFJAXGRHP", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015767", "text": "3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 18 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6", "ciphertext": "3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 18 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "bazeries-v2-0373", "text": "YOSTPFTLPKYFIGQNWYCTNLYJYIFYVOSGYFNYINSSIFYNOSGXPMYVMNMHEFNOYRYSECTLLYQGFYDFPGXOIYLTYCCTGJPRRGOFHNCYOTLYTFGYIUYFOMFGOPONSFGNVOLGNFPYMRYOYOTOTSGMNLYDTI", "ciphertext": "YOSTPFTLPKYFIGQNWYCTNLYJYIFYVOSGYFNYINSSIFYNOSGXPMYVMNMHEFNOYRYSECTLLYQGFYDFPGXOIYLTYCCTGJPRRGOFHNCYOTLYTFGYIUYFOMFGOPONSFGNVOLGNFPYMRYOYOTOTSGMNLYDTI", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0087", "text": "DVONXTNTGNFGYWAMXQRLRYVBVQPYVDHVEQYKPQTQUKVNBETFBTZJBOOFFWVQDDHMVFDIHBLURUDNRHMI", "ciphertext": "DVONXTNTGNFGYWAMXQRLRYVBVQPYVDHVEQYKPQTQUKVNBETFBTZJBOOFFWVQDDHMVFDIHBLURUDNRHMI", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0115", "text": "XPTOXFLXQQQUKCQXTSX", "ciphertext": "XPTOXFLXQQQUKCQXTSX", "plaintext": "AVE MARIA GRATIA PLENA", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0121", "text": "JDIRINFMTPLDV", "ciphertext": "JDIRINFMTPLDV", "plaintext": "THE APPLE FALLS", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0286", "text": "MVZBZFAYNRMESUMHLDWYPKLMOZHBXETYYVQXOLSDKTRQGUKVPKKTZZMWQYWDAALPWFAZXPLJBRVB", "ciphertext": "MVZBZFAYNRMESUMHLDWYPKLMOZHBXETYYVQXOLSDKTRQGUKVPKKTZZMWQYWDAALPWFAZXPLJBRVB", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006521", "text": "TNRWIGUNSHEEERIETRCAITESGTETREETSLAINTUNEKIRTERPYEYNPGHTESETSENRRMAXSHEOIRAYUMRTEOARXPELUOERWTATLVDTCXORETNCEOIPOEIUTHXSSTSTIPROEATECEHXIRTUHPEDNADTWIROXTEEBEHASCCIEABINXIARSVETUIHFRNINEXORSTIRIBPLFPDLRSX", "ciphertext": "TNRWIGUNSHEEERIETRCAITESGTETREETSLAINTUNEKIRTERPYEYNPGHTESETSENRRMAXSHEOIRAYUMRTEOARXPELUOERWTATLVDTCXORETNCEOIPOEIUTHXSSTSTIPROEATECEHXIRTUHPEDNADTWIROXTEEBEHASCCIEABINXIARSVETUIHFRNINEXORSTIRIBPLFPDLRSX", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE VIGENERE CIPHER USES A REPEATING KEYWORD SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH HONESTLY", "label": "scytale", "cipher": "scytale", "key": {"cols": 12}, "difficulty": "hard", "language": "en", "text_length": 204, "length": 204, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "affine-174", "text": "GAF FQFJP VQXBZ GAF ZPZGFJ YFZHTQ PXNS RHEAFS DRRXSYHQTCP BHGA TSFDG RDSF", "ciphertext": "GAF FQFJP VQXBZ GAF ZPZGFJ YFZHTQ PXNS RHEAFS DRRXSYHQTCP BHGA TSFDG RDSF", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 7, "b": 3}, "difficulty": "beginner", "language": "en", "text_length": 62, "length": 73, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v3-0581", "text": "IYNOOSHYDOOSSRTAFEALYFSWQATGSXYIFHIYOMYTMLETYWHLJSBLPHXYMYGSLYALLSGAFGAMMYOP", "ciphertext": "IYNOOSHYDOOSSRTAFEALYFSWQATGSXYIFHIYOMYTMLETYWHLJSBLPHXYMYGSLYALLSGAFGAMMYOP", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0059", "text": "QQYFYNPUQSRCCWLBVXWTAQKLHLPECIZDRNRAFWQQHVBCCDKJUWRLUBRHJTUQRRDLUMPMMVRV", "ciphertext": "QQYFYNPUQSRCCWLBVXWTAQKLHLPECIZDRNRAFWQQHVBCCDKJUWRLUBRHJTUQRRDLUMPMMVRV", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003062", "text": "FRPHE VGLPY NVZFF UBHYQ ORGRF GRQHA QREFP EHGVA L", "ciphertext": "FRPHE VGLPY NVZFF UBHYQ ORGRF GRQHA QREFP EHGVA L", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0013778", "text": "TURNS HOUSE EARLY MILES EXACT SWIFT SCOUT AFTER GROUP ENTER WIDTH ALONG SWIFT HEADS ISSUE DRAFT DRIVE EXTRA NAVAL BELOW UNITS TAKES NOTES OFTEN TURNS", "ciphertext": "TURNS HOUSE EARLY MILES EXACT SWIFT SCOUT AFTER GROUP ENTER WIDTH ALONG SWIFT HEADS ISSUE DRAFT DRIVE EXTRA NAVAL BELOW UNITS TAKES NOTES OFTEN TURNS", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "purple-v2-0241", "text": "GCIDSBBCZMOAGFUOFQYOXJNCRWDTAUJBTILDCKAOCOUBXZFMEJRWEXFNOOEEQGVCUUOTXGMMSDKMATOHJIIXOYWMTBQUJHTIYDVVRTQKNOBGRYWCVZRIUNNLEZCUXQQCOYBXMVMMFWXGNUXNWYFNTMDNXOTYDPDCH", "ciphertext": "GCIDSBBCZMOAGFUOFQYOXJNCRWDTAUJBTILDCKAOCOUBXZFMEJRWEXFNOOEEQGVCUUOTXGMMSDKMATOHJIIXOYWMTBQUJHTIYDVVRTQKNOBGRYWCVZRIUNNLEZCUXQQCOYBXMVMMFWXGNUXNWYFNTMDNXOTYDPDCH", "plaintext": "YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0101", "text": "VYALJUEDWDUGYSYIAMJHFNUCHFPRZGILEADBEJUTABFGHZPBWPAIQJZIJXAAVOULZBRLBTSDZRSPK", "ciphertext": "VYALJUEDWDUGYSYIAMJHFNUCHFPRZGILEADBEJUTABFGHZPBWPAIQJZIJXAAVOULZBRLBTSDZRSPK", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v3-0171", "text": "TDWSCZJBSTBLIHPVSFZWJFWWUFVBVPDGZVKPYYVODDBATYVWVIUYLLVJIKDQOCZZPFBYVHFHFRDTKVSPXX", "ciphertext": "TDWSCZJBSTBLIHPVSFZWJFWWUFVBVPDGZVKPYYVODDBATYVWVIUYLLVJIKDQOCZZPFBYVHFHFRDTKVSPXX", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0075", "text": "LCESOKUTAQNELZAHUNHAQMNTCRAHWDFLCXEIKOUTCKKDADNQHSSUOHUKWKAUXMUKOFNBGEINKLKGOIXY", "ciphertext": "LCESOKUTAQNELZAHUNHAQMNTCRAHWDFLCXEIKOUTCKKDADNQHSSUOHUKWKAUXMUKOFNBGEINKLKGOIXY", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0186", "text": "RHOOBAMTZIZSBITZFAIJTATZFTMJZIEOYYTFWOXYOFIJTBTYTSATOYOXFEAHZSBSZIEOS", "ciphertext": "RHOOBAMTZIZSBITZFAIJTATZFTMJZIEOYYTFWOXYOFIJTBTYTSATOYOXFEAHZSBSZIEOS", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-095", "text": "DHTPSNCGCVKRTQFSHIMMPHHRFSIPCVIZDKCEUUTLPMSY", "ciphertext": "DHTPSNCGCVKRTQFSHIMMPHHRFSIPCVIZDKCEUUTLPMSY", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0245", "text": "AYAPJPOBHJXMKXMEJFJPOBXRPTWTJYFPPBUHPYWOIYYUOJAPJAUYYDTGYNJENITOOJAPJAUYTYMWYAPDMJHGMYSYOXOXNGYPOBSYXWNYIQETRIBIBEIYMYAKKTMYYBPTMEPITPKXXFTITAPOQJHOGTNIJAPYMJPNTYSYOPBFMEYOOPY", "ciphertext": "AYAPJPOBHJXMKXMEJFJPOBXRPTWTJYFPPBUHPYWOIYYUOJAPJAUYYDTGYNJENITOOJAPJAUYTYMWYAPDMJHGMYSYOXOXNGYPOBSYXWNYIQETRIBIBEIYMYAKKTMYYBPTMEPITPKXXFTITAPOQJHOGTNIJAPYMJPNTYSYOPBFMEYOOPY", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0241", "text": "MSRYOKLEDTLM", "ciphertext": "MSRYOKLEDTLM", "plaintext": "YANKEE DOODLE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0398", "text": "TEUKHLUJUIUWXGBBUNIKXWHHTYIGRAKUMKJXMQVAPZXNJWIZMVRGDMTXTKGPZESPOEIXOZFCIVHIBHE", "ciphertext": "TEUKHLUJUIUWXGBBUNIKXWHHTYIGRAKUMKJXMQVAPZXNJWIZMVRGDMTXTKGPZESPOEIXOZFCIVHIBHE", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0014", "text": "QPELOMGVDNNDVR", "ciphertext": "QPELOMGVDNNDVR", "plaintext": "PRESS THE ATTACK", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 4}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0094", "text": "IMKTOSELKAMLLPIUNUAHUGATZAUFOUAFPDUNNLWLPGMUBKNGUNUGATKTVMITYWBOEGZACAKLSLHERTOTQNOTVKLLUGATMBUFOUAFHBENOTEQNIZBRSALLAXABOQFATCHMUICALIMPERAQNZBHABMOLSMMUALHQTY", "ciphertext": "IMKTOSELKAMLLPIUNUAHUGATZAUFOUAFPDUNNLWLPGMUBKNGUNUGATKTVMITYWBOEGZACAKLSLHERTOTQNOTVKLLUGATMBUFOUAFHBENOTEQNIZBRSALLAXABOQFATCHMUICALIMPERAQNZBHABMOLSMMUALHQTY", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021329", "text": "THEPL AYFAZ RCIPH ERENC RYPTZ PAIRX OFLET TERSS IMULX ANEOZ SLYCO LUMNA RTRAN SPOSI TIONZ EADSC OLUMZ SINKZ YORDE RATRA NSPAR ENTTO OLSHO ULDSX OWITS REASZ NINGA TBASZ ENCOZ ESBYR EVERS INGTH EALPZ ABETZ", "ciphertext": "THEPL AYFAZ RCIPH ERENC RYPTZ PAIRX OFLET TERSS IMULX ANEOZ SLYCO LUMNA RTRAN SPOSI TIONZ EADSC OLUMZ SINKZ YORDE RATRA NSPAR ENTTO OLSHO ULDSX OWITS REASZ NINGA TBASZ ENCOZ ESBYR EVERS INGTH EALPZ ABETZ", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER A TRANSPARENT TOOL SHOULD SHOW ITS REASONING ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 170, "length": 170, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-185", "text": "OPGVCRQOQUVZVYM", "ciphertext": "OPGVCRQOQUVZVYM", "plaintext": "THE COAST IS CLEAR", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICTORY"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-008", "text": "41412 41429 41426 41418 41420 41429 41423 41413 41424 41413 41429 41428", "ciphertext": "41412 41429 41426 41418 41420 41429 41423 41413 41424 41413 41429 41428", "plaintext": "HOLD POSITION", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "31415"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 71, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015925", "text": "66 36 82 57 50 20 80 68 80 43 65 80 82 61 82 80 95 82 61 55 29 69 89 57 82 11 25 82 76 69 80 66 36 82 52 69 77 77 59 29 50 66 43 66 36 82 82 29 50 25 77 68 77 68 52 36 50 29 82 59 61 82 11 80 69 66 69 80 61 66 69 52 80 82 68 66 82 68 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 76 80 50 82 11 77 68 29 82 61 66 50 77 68 66 82 11 55 82 43 57 82 29 25 66 36 76 80 69 77 61 66 68 66 50 61 66 50 52 61", "ciphertext": "66 36 82 57 50 20 80 68 80 43 65 80 82 61 82 80 95 82 61 55 29 69 89 57 82 11 25 82 76 69 80 66 36 82 52 69 77 77 59 29 50 66 43 66 36 82 82 29 50 25 77 68 77 68 52 36 50 29 82 59 61 82 11 80 69 66 69 80 61 66 69 52 80 82 68 66 82 68 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 76 80 50 82 11 77 68 29 82 61 66 50 77 68 66 82 11 55 82 43 57 82 29 25 66 36 76 80 69 77 61 66 68 66 50 61 66 50 52 61", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0008008", "text": "NGENA FCNER AGGBB YFUBH YQFUB JVGFE RNFBA VATCR REERI VRJNA QERCE BQHPV OVYVG LZNGG REVAE RFRNE PU", "ciphertext": "NGENA FCNER AGGBB YFUBH YQFUB JVGFE RNFBA VATCR REERI VRJNA QERCE BQHPV OVYVG LZNGG REVAE RFRNE PU", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 82, "length": 82, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bazeries-v2-0445", "text": "OYAQIBBIIBEYRTJEEITYQFYMFYAYAQTIFIYUMFYYAQTTIFAQPYIDMFKSPFVPNYAQIJTNJYRFKYY", "ciphertext": "OYAQIBBIIBEYRTJEEITYQFYMFYAYAQTIFIYUMFYYAQTTIFAQPYIDMFKSPFVPNYAQIJTNJYRFKYY", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0336", "text": "LASJMJDTDOBHUYO", "ciphertext": "LASJMJDTDOBHUYO", "plaintext": "THE WIND IS WITH US", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0234", "text": "FGOAQAVIGYKEOTPEWO", "ciphertext": "FGOAQAVIGYKEOTPEWO", "plaintext": "TREASURE BURIED HERE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0287", "text": "UIDLHDUISRJTXGCSTKSIRCWKRTBMYBBHDAUISRBXACGZUYNAWPNNHDOEGSJDJTIACFHRKQEAQEXPKQFRUYPM", "ciphertext": "UIDLHDUISRJTXGCSTKSIRCWKRTBMYBBHDAUISRBXACGZUYNAWPNNHDOEGSJDJTIACFHRKQEAQEXPKQFRUYPM", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-141", "text": "LHTCRLXISHISROCU", "ciphertext": "LHTCRLXISHISROCU", "plaintext": "LOCK DOWN ALL GATES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "SECRET", "key2": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v3-0251", "text": "29223312422022922873222192822102876", "ciphertext": "29223312422022922873222192822102876", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 35, "length": 35, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0255", "text": "TBJWRMPCMPMNBMYKZUYTTETCNZHJEFQRRPSEWGWLGNLXMSVVTASESRAFXCFGJSXWFGISERIJMVRMZQSGUSNNSISX", "ciphertext": "TBJWRMPCMPMNBMYKZUYTTETCNZHJEFQRRPSEWGWLGNLXMSVVTASESRAFXCFGJSXWFGISERIJMVRMZQSGUSNNSISX", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014641", "text": "SCFZL PIYAO WIWUK BXVRR HJDMQ MNHTJ XRACT UCSCI LPWSM O", "ciphertext": "SCFZL PIYAO WIWUK BXVRR HJDMQ MNHTJ XRACT UCSCI LPWSM O", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "red-type-a-129", "text": "VOMBFOPYJOTAHKPOJARAX", "ciphertext": "VOMBFOPYJOTAHKPOJARAX", "plaintext": "SUPPLY LINE COMPROMISED", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015043", "text": "OXCRE SBARQ PFHYL NGIVS YPGDW GOGNJ AVJXE SSQYY IQQDZ MUHVR WNTKI TZLTY NYCCB JDBCO PPDGK KQCSL RYMPH OURPZ BWDON QVRUI FECNN ZDTLJ GACXM GLASS MZVKA BNPXZ EGRUC DBEJC URCWZ FEUJW FRGAR QWKJO ASDSP QKYHK SGRAN HSWXY SOXIU FV", "ciphertext": "OXCRE SBARQ PFHYL NGIVS YPGDW GOGNJ AVJXE SSQYY IQQDZ MUHVR WNTKI TZLTY NYCCB JDBCO PPDGK KQCSL RYMPH OURPZ BWDON QVRUI FECNN ZDTLJ GACXM GLASS MZVKA BNPXZ EGRUC DBEJC URCWZ FEUJW FRGAR QWKJO ASDSP QKYHK SGRAN HSWXY SOXIU FV", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE PERHAPS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 187, "length": 187, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "trifid-v2-0038", "text": "PFEFMFCAKMPTCLKURPYGQC", "ciphertext": "PFEFMFCAKMPTCLKURPYGQC", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-088", "text": "GZVCWUTXXALFBSW", "ciphertext": "GZVCWUTXXALFBSW", "plaintext": "EVACUATE THE BASE", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019637", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨a17⟩ ⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w10⟩ ⟨a17⟩ ⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "red-type-a-v3-0406", "text": "JPUNEHOQULIVENPIVVUVOXFLYWPJUMENUDJEVVQYGDETUEBHZUJEOVLJESAVVZOZYHPSUQNVOMYEGHOHIINTOXOZTEIVIDYCZIGUWJSEALXQYDOPOJYMVEVOXFLUWPDIUEKFAGMHEOLBIQIOKEFXYWZZXYFBYQDOC", "ciphertext": "JPUNEHOQULIVENPIVVUVOXFLYWPJUMENUDJEVVQYGDETUEBHZUJEOVLJESAVVZOZYHPSUQNVOMYEGHOHIINTOXOZTEIVIDYCZIGUWJSEALXQYDOPOJYMVEVOXFLUWPDIUEKFAGMHEOLBIQIOKEFXYWZZXYFBYQDOC", "plaintext": "WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 161, "length": 161, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-046", "text": "85 50 75 48 76 68 58 39 105 48 48 68 48 48 69 75 50 68 47 40 106 48 48 96 55 69 66 59 36 79 58 40 89 69 39 75 49 38 68 55 57 89 59 47 69 79 70 89 59", "ciphertext": "85 50 75 48 76 68 58 39 105 48 48 68 48 48 69 75 50 68 47 40 106 48 48 96 55 69 66 59 36 79 58 40 89 69 39 75 49 38 68 55 57 89 59 47 69 79 70 89 59", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "RUSSIAN", "keyword": "KEY"}, "difficulty": "advanced", "language": "en", "text_length": 100, "length": 148, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021890", "text": "11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15", "ciphertext": "11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 31, "length": 31, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "nihilist-026", "text": "65 67 65 86 40 65 58 66 69 45 48 87 55 67 106", "ciphertext": "65 67 65 86 40 65 58 66 69 45 48 87 55 67 106", "plaintext": "FORWARD MARCH NOW", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "RUSSIAN", "keyword": "KEY"}, "difficulty": "advanced", "language": "en", "text_length": 31, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v3-0053", "text": "MZTMRQBKWQXQWYVHWCXPIMBLPOVFAKYJBAICFWYAODGKKZRPQAEVKOYUMLOXKSRDIZFJVWHVD", "ciphertext": "MZTMRQBKWQXQWYVHWCXPIMBLPOVFAKYJBAICFWYAODGKKZRPQAEVKOYUMLOXKSRDIZFJVWHVD", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-029", "text": "XOKCZYBFHDZAFROU", "ciphertext": "XOKCZYBFHDZAFROU", "plaintext": "LOCK DOWN ALL GATES", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v3-0397", "text": "MJN CUZNAX EUM VNFNKRMNV MU MJN OEYMNV XMRMNX QI MJN PUEXMYMOMYUE RAN ANXNADNV MU MJN XMRMNX", "ciphertext": "MJN CUZNAX EUM VNFNKRMNV MU MJN OEYMNV XMRMNX QI MJN PUEXMYMOMYUE RAN ANXNADNV MU MJN XMRMNX", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0014", "text": "XZKAVKALHURWXSZLJK", "ciphertext": "XZKAVKALHURWXSZLJK", "plaintext": "LOWER THE DRAWBRIDGE", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0253", "text": "FVOWOOEHDUFB", "ciphertext": "FVOWOOEHDUFB", "plaintext": "THE DIE IS CAST", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0052", "text": "HKNOTGNHCOTLPOMLMEDETGOOGKNCFENEDAHLUFOUAFHPTKCKFQPWEAQGEMUTMHDAXSCDLUCDLZ", "ciphertext": "HKNOTGNHCOTLPOMLMEDETGOOGKNCFENEDAHLUFOUAFHPTKCKFQPWEAQGEMUTMHDAXSCDLUCDLZ", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0002", "text": "JHYAOHNL TBZA IL KLZAYVFLK", "ciphertext": "JHYAOHNL TBZA IL KLZAYVFLK", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 1, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 23, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0222", "text": "VYLECCMORRAXJZAXKO", "ciphertext": "VYLECCMORRAXJZAXKO", "plaintext": "LOWER THE DRAWBRIDGE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006095", "text": "CIAMVKNPKEYKXSATGMSRVPWFWMIVNRGYEVGIMVZHR", "ciphertext": "CIAMVKNPKEYKXSATGMSRVPWFWMIVNRGYEVGIMVZHR", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "autokey", "cipher": "autokey", "key": {"primer": "KEY"}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "voynich-render-v2-0083", "text": "gcd nqkyd is fkadqgu kx dgdqrof vkhkforyd ore gcd jkff gi edsdre kg ohokrxg off sidx ore gcqdogx", "ciphertext": "gcd nqkyd is fkadqgu kx dgdqrof vkhkforyd ore gcd jkff gi edsdre kg ohokrxg off sidx ore gcqdogx", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0820", "text": "TMPCAXUNOPWTUGMEABSWLVARZFISDRNBZTUYJTCBXQQZQAWIKRIWQEJQIVMQVHMMPJBUZSGOOKRBJGFPGUMHCEQKSKKTVJIBBBQRVKQVMPYTAUNJDWGAMUTZNQTBFIWNAZNEMSBRDYZNKJCJOEVYVFHRWHLFELEQXLXMHKQ", "ciphertext": "TMPCAXUNOPWTUGMEABSWLVARZFISDRNBZTUYJTCBXQQZQAWIKRIWQEJQIVMQVHMMPJBUZSGOOKRBJGFPGUMHCEQKSKKTVJIBBBQRVKQVMPYTAUNJDWGAMUTZNQTBFIWNAZNEMSBRDYZNKJCJOEVYVFHRWHLFELEQXLXMHKQ", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 167, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0320", "text": "MYCHTRYMVOYLLPJYVFNYOLTYOLGSMXYVCCTVEYYMFTRGYCHRRYMMOYLTYJYVDYITLYBTGDTMMPEF", "ciphertext": "MYCHTRYMVOYLLPJYVFNYOLTYOLGSMXYVCCTVEYYMFTRGYCHRRYMMOYLTYJYVDYITLYBTGDTMMPEF", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0269", "text": "F1 L0 E1 U8 X4 L3 E0 B8 C7 K2 J6 B9 N6 N4 J4 A2 L0 V8 B8", "ciphertext": "F1 L0 E1 U8 X4 L3 E0 B8 C7 K2 J6 B9 N6 N4 J4 A2 L0 V8 B8", "plaintext": "CODED MESSAGE FOLLOWS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018810", "text": "66 36 82 69 29 82 66 50 77 82 65 68 11 50 61 66 36 82 69 80 82 66 50 52 68 57 57 43 59 29 20 80 82 68 55 68 20 57 82 50 76 59 61 82 11 52 69 80 80 82 52 66 57 43 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 50 61 68 59 61 82 76 59 57 52 57 59 82 66 36 82 76 69 59 80 61 72 59 68 80 82 52 50 65 36 82 80 59 61 82 61 66 89 69 55 82 43 89 69 80 11 65 69 57 43 20 50 59 61 61 72 59 68 80 82 61", "ciphertext": "66 36 82 69 29 82 66 50 77 82 65 68 11 50 61 66 36 82 69 80 82 66 50 52 68 57 57 43 59 29 20 80 82 68 55 68 20 57 82 50 76 59 61 82 11 52 69 80 80 82 52 66 57 43 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 50 61 68 59 61 82 76 59 57 52 57 59 82 66 36 82 76 69 59 80 61 72 59 68 80 82 52 50 65 36 82 80 59 61 82 61 66 89 69 55 82 43 89 69 80 11 65 69 57 43 20 50 59 61 61 72 59 68 80 82 61", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "solitaire-012", "text": "UCVZVJHWUSYMKULL", "ciphertext": "UCVZVJHWUSYMKULL", "plaintext": "CIPHER KEY CHANGED", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-139", "text": "KLMOFPLKTOPQSHTK", "ciphertext": "KLMOFPLKTOPQSHTK", "plaintext": "NO PRISONERS TAKEN", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v2-0453", "text": "SBRSRCBKALQYNKKEHKGBSQLLTATBKKSLTBIMGCHAIQOUMHLPPUQONYDCTGLOFUDDTPRSKUIKHHLULLTPFUUH", "ciphertext": "SBRSRCBKALQYNKKEHKGBSQLLTATBKKSLTBIMGCHAIQOUMHLPPUQONYDCTGLOFUDDTPRSKUIKHHLULLTPFUUH", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-073", "text": "ZBRALAKUNNJDGCN", "ciphertext": "ZBRALAKUNNJDGCN", "plaintext": "ENEMY FORCES NEAR", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v3-0130", "text": "LHALROQAVROQAAVAFUTU", "ciphertext": "LHALROQAVROQAAVAFUTU", "plaintext": "TREASURE BURIED HERE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-133", "text": "SMEBELBEEISSCBURRB", "ciphertext": "SMEBELBEEISSCBURRB", "plaintext": "THE BRIDGE IS SECURED", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "SECRET", "key2": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-222", "text": "OTPNIHUXRPWFGALALTGRCVBKGSTXWGWLZVTIQAYGHVKCTBWBFXWFAMDYZVJSRZMW", "ciphertext": "OTPNIHUXRPWFGALALTGRCVBKGSTXWGWLZVTIQAYGHVKCTBWBFXWFAMDYZVJSRZMW", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v2-0088", "text": "LDTSGROHTIIJIKNJURGQHTQQHRJIRQYFRKTGTLHYRUROKRNARLQORLNRLXVHRISORGLJNNRLQDXJILR", "ciphertext": "LDTSGROHTIIJIKNJURGQHTQQHRJIRQYFRKTGTLHYRUROKRNARLQORLNRLXVHRISORGLJNNRLQDXJILR", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v3-0231", "text": "WLYQGRRYSTVWQ", "ciphertext": "WLYQGRRYSTVWQ", "plaintext": "FULL SAIL AHEAD", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ITALY"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0122", "text": "VTGCEJGTAKPVJGEQWTV", "ciphertext": "VTGCEJGTAKPVJGEQWTV", "plaintext": "TREACHERY IN THE COURT", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "22222"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006043", "text": "LYIAOEREFROODHIIONIWITAIUTAXESUNSRNEITIDCEEANEITPEDTXEXERPIUEAMLIRYMRNOTEAEMDTHTTNROEENWTISEIXEHLTIECSSNSFRTINNENSSICBINERCNENUYMHLILTECTTSXAAIDTOSETEPCQTKAPXYTKCCFIEEPLNOHOORDNDIIECSKXHUETPFBPUTTRATEKXPSIREHGA", "ciphertext": "LYIAOEREFROODHIIONIWITAIUTAXESUNSRNEITIDCEEANEITPEDTXEXERPIUEAMLIRYMRNOTEAEMDTHTTNROEENWTISEIXEHLTIECSSNSFRTINNENSSICBINERCNENUYMHLILTECTTSXAAIDTOSETEPCQTKAPXYTKCCFIEEPLNOHOORDNDIIECSKXHUETPFBPUTTRATEKXPSIREHGA", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 210, "length": 210, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "hill-085", "text": "AOTYTOKMUAXBVIEF", "ciphertext": "AOTYTOKMUAXBVIEF", "plaintext": "SILENCE IS GOLDEN", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 7}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v2-0100", "text": "SH CPKH LZ ZBLUV F SVZ ZBLUVZ ZBLUVZ ZVU WHYH AVKVZ SVZ XBL CPCLU IHQV LS JPLSV LALYUV", "ciphertext": "SH CPKH LZ ZBLUV F SVZ ZBLUVZ ZBLUVZ ZVU WHYH AVKVZ SVZ XBL CPCLU IHQV LS JPLSV LALYUV", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 1, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 69, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018689", "text": "JXTHOAOAPYJXGGBDHCBIPJVKHSXFMKMOMTQVDMDAALEGFDCHMQGUVVOOCHCFLYPXXVNKNCTWBERKDBZFSEARXKNZQSLHMWIEDQMCCRQWPSNPUBIGSNXBEIKQNIZRFWUNG", "ciphertext": "JXTHOAOAPYJXGGBDHCBIPJVKHSXFMKMOMTQVDMDAALEGFDCHMQGUVVOOCHCFLYPXXVNKNCTWBERKDBZFSEARXKNZQSLHMWIEDQMCCRQWPSNPUBIGSNXBEIKQNIZRFWUNG", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 129, "length": 129, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "great-cipher-054", "text": "164 152 158 152 107 168 174 175 138 140 182 103 111 116 174 103 152 107 119 109 137 110 138 174 123 173 130 120 170 111 139 130 104 173 113 100 110 163 174 182 155 168 135 110 149 167 179 149", "ciphertext": "164 152 158 152 107 168 174 175 138 140 182 103 111 116 174 103 152 107 119 109 137 110 138 174 123 173 130 120 170 111 139 130 104 173 113 100 110 163 174 182 155 168 135 110 149 167 179 149", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LOUIS"}, "difficulty": "expert", "language": "en", "text_length": 144, "length": 191, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0001915", "text": "TEENOEHTFSENPNOOBTFUYUTHCOOGRDRSEIRLHAEEOOTHSSSWREHAMRCTITKYTREBFIEICFEEDYILSICERARTTIETSSWEMOIONRISBELEENEOSRPAVNAEPTFTCIRECSPEOBLOHHTEDLDEYONRNERQCARTERLIENCTSHOAPSTHNRCN", "ciphertext": "TEENOEHTFSENPNOOBTFUYUTHCOOGRDRSEIRLHAEEOOTHSSSWREHAMRCTITKYTREBFIEICFEEDYILSICERARTTIETSSWEMOIONRISBELEENEOSRPAVNAEPTFTCIRECSPEOBLOHHTEDLDEYONRNERQCARTERLIENCTSHOAPSTHNRCN", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "scytale", "cipher": "scytale", "key": {"cols": 4}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "porta-220", "text": "CYKQNONZPOQGLLMOZXRQROYKWATHYLPWYOLYBZIFECKYFZRB", "ciphertext": "CYKQNONZPOQGLLMOZXRQROYKWATHYLPWYOLYBZIFECKYFZRB", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PORTAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-v2-0557", "text": "TIYUJYFCUYKCXGMMMZSSFGNGOEIAPMXOTAKJAVMCZYPDUTCFQPAWGLYRCRYYENNUCSTDOPWBPFV", "ciphertext": "TIYUJYFCUYKCXGMMMZSSFGNGOEIAPMXOTAKJAVMCZYPDUTCFQPAWGLYRCRYYENNUCSTDOPWBPFV", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENT"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0308", "text": "TPELEGIONSSTANDREADY", "ciphertext": "TPELEGIONSSTANDREADY", "plaintext": "THE LEGIONS STAND READY", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-v3-0092", "text": "125 104 100 998 802 814 820 817 818 804 999 101 998 807 820 812 800 813 999 998 804 821 804 813 819 818 999 109 998 801 804 802 814 812 804 818 999 998 813 804 802 804 818 818 800 817 824 999 108 998 814 813 804 999 150 103 998 803 808 818 818 814 811 821 804 999 100 998 815 814 811 808 819 808 802 800 811 999 998 801 800 813 803 818 999 998 822 807 808 802 807 999 122 998 802 814 813 813 804 802 819 804 803 999 157 110 998 800 813 814 819 807 804 817 999 998 819 807 804 824 999 998 818 807 814 820 811 803 999 998 803 804 802 811 800 817 804 999 100 998 802 800 820 818 804 818 999 998 822 807 808 802 807 999 998 808 812 815 804 811 999 100 998 818 804 815 800 817 800 819 808 814 813 999", "ciphertext": "125 104 100 998 802 814 820 817 818 804 999 101 998 807 820 812 800 813 999 998 804 821 804 813 819 818 999 109 998 801 804 802 814 812 804 818 999 998 813 804 802 804 818 818 800 817 824 999 108 998 814 813 804 999 150 103 998 803 808 818 818 814 811 821 804 999 100 998 815 814 811 808 819 808 802 800 811 999 998 801 800 813 803 818 999 998 822 807 808 802 807 999 122 998 802 814 813 813 804 802 819 804 803 999 157 110 998 800 813 814 819 807 804 817 999 998 819 807 804 824 999 998 818 807 814 820 811 803 999 998 803 804 802 811 800 817 804 999 100 998 802 800 820 818 804 818 999 998 822 807 808 802 807 999 998 808 812 815 804 811 999 100 998 818 804 815 800 817 800 819 808 814 813 999", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 522, "length": 695, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-092", "text": "285735612872566937276299652858767445284517182026128242081717220265", "ciphertext": "285735612872566937276299652858767445284517182026128242081717220265", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "CIPHERMUS"}, "difficulty": "advanced", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jefferson-disk-v2-0271", "text": "JUKIZMPLPDYHNTGIIGZZRIIAHTSAIAFZJOLXRKGEKHFUJKKLUTNDVBKTSVZRMJBZYILJQOQA", "ciphertext": "JUKIZMPLPDYHNTGIIGZZRIIAHTSAIAFZJOLXRKGEKHFUJKKLUTNDVBKTSVZRMJBZYILJQOQA", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0144", "text": "8385085886785924655", "ciphertext": "8385085886785924655", "plaintext": "HONOR ABOVE ALL", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-vf-0069", "text": "UTNRHYEOKLYTHLRSEEAMYOSOOHEYGHFNHSRODFFIETISEETYUWNIRRVOHIOTEEGRGYANNELOBMTAODARUEA", "ciphertext": "UTNRHYEOKLYTHLRSEEAMYOSOOHEYGHFNHSRODFFIETISEETYUWNIRRVOHIOTEEGRGYANNELOBMTAODARUEA", "plaintext": "LET YOUR LIGHT SO SHINE BEFORE MEN THAT THEY MAY SEE YOUR GOOD WORKS AND GLORIFY YOUR FATHER IN HEAVEN", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1306", "text": "UDCB SM SP C PCAK BDCB UDSGD UK GCLL C XEMK RY CPY EBDKX PCAK UEQLV MAKLL CM MUKKB", "ciphertext": "UDCB SM SP C PCAK BDCB UDSGD UK GCLL C XEMK RY CPY EBDKX PCAK UEQLV MAKLL CM MUKKB", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 15, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 64, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-076", "text": "APNEKEHWRRGTMEQKSN", "ciphertext": "APNEKEHWRRGTMEQKSN", "plaintext": "SEND REINFORCEMENTS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v3-0104", "text": "SRKEIUPNQLLEBUIP", "ciphertext": "SRKEIUPNQLLEBUIP", "plaintext": "RENDER UNTO CAESAR", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0979", "text": "HOQQWAO POSOCUOD SGOWPGY", "ciphertext": "HOQQWAO POSOCUOD SGOWPGY", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "beginner", "language": "en", "text_length": 22, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-270", "text": "VEVAVANAERVCGQQBLEDEINDSENHOHLLHVLNLRMNGILALDHATH", "ciphertext": "VEVAVANAERVCGQQBLEDEINDSENHOHLLHVLNLRMNGILALDHATH", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "advanced", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v3-0144", "text": "SWTIPCJYCDRFUKAKFRXWJBZZVSSYXUCYKIINZIVOMJHKPDVWYYZNCAOJPKPQRZFXXWVZLZQMN", "ciphertext": "SWTIPCJYCDRFUKAKFRXWJBZZVSSYXUCYKIINZIVOMJHKPDVWYYZNCAOJPKPQRZFXXWVZLZQMN", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007402", "text": "DARQ SSII NAUE IPGD PEXM HRTH NPPE ARFC OLRP IRIS ESHG EEEC X", "ciphertext": "DARQ SSII NAUE IPGD PEXM HRTH NPPE ARFC OLRP IRIS ESHG EEEC X", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "scytale", "cipher": "scytale", "key": {"cols": 7}, "difficulty": "medium", "language": "en", "text_length": 49, "length": 49, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "monoalphabetic-vi-0079", "text": "NM WETICAUJ STELG ADRK DL TCM AEDTC EIT JDHM KML NM STROLB JMT EJJ TCET YOU GO NM GOLM DL JOVM", "ciphertext": "NM WETICAUJ STELG ADRK DL TCM AEDTC EIT JDHM KML NM STROLB JMT EJJ TCET YOU GO NM GOLM DL JOVM", "plaintext": "BE WATCHFUL STAND FIRM IN THE FAITH ACT LIKE MEN BE STRONG LET ALL THAT YOU DO BE DONE IN LOVE", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004340", "text": "TIGE IXZS MBCZ ZFGW ENOA YMAQ FDMF VKSI LHQU C", "ciphertext": "TIGE IXZS MBCZ ZFGW ENOA YMAQ FDMF VKSI LHQU C", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "fialka-v3-0225", "text": "OISZAXMZMZUGEQNONNZN", "ciphertext": "OISZAXMZMZUGEQNONNZN", "plaintext": "THE KING DEMANDS FEALTY", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021729", "text": "IMSRMIBZSKLEBWJTNOOCTUIHOGSMPZMYQMWMMZQRQFSCYRLVUZOUAHGHCCHWCKAJOQYPNQGNTYYUJEOCHPXTXCQBNL", "ciphertext": "IMSRMIBZSKLEBWJTNOOCTUIHOGSMPZMYQMWMMZQRQFSCYRLVUZOUAHGHCCHWCKAJOQYPNQGNTYYUJEOCHPXTXCQBNL", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CAREFULLY", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "kl7-v3-0257", "text": "VBEXNQQCWNGDOZYLEONPZJMKAFTJFREHXDNRZHXPSCWNPUGYSRURZVXKVRBLDKXMOUMVGBZ", "ciphertext": "VBEXNQQCWNGDOZYLEONPZJMKAFTJFREHXDNRZHXPSCWNPUGYSRURZVXKVRBLDKXMOUMVGBZ", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0288", "text": "08 21 13 09 14 20 15 18 08 21 13 01 14 09 14 20 05 12 12 09 07 05 14 03 05 07 01 20 08 05 18 09 14 07 18 05 12 09 05 19 15 14 16 05 18 19 15 14 01 12 03 15 14 20 01 03 20 61 08 21 13 01 14 19 15 21 18 03 05 19 64 60 06 09 05 12 04", "ciphertext": "08 21 13 09 14 20 15 18 08 21 13 01 14 09 14 20 05 12 12 09 07 05 14 03 05 07 01 20 08 05 18 09 14 07 18 05 12 09 05 19 15 14 16 05 18 19 15 14 01 12 03 15 14 20 01 03 20 61 08 21 13 01 14 19 15 21 18 03 05 19 64 60 06 09 05 12 04", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014079", "text": "⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩", "ciphertext": "⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 31, "length": 31, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "copiale-052", "text": "K6 A3 U7 D5 S6 F9 L1 R2 S9 A3 A3 T6 E7 R2 M7 U5 M5 C2 Q9 B2 T3 D1 W7 X8 V5 D0 C6 R3 Z6 S1 M7 K7 N1 X8 M7 O6 K8 M7 W3 O5 Z6 Z3 L7 L4 V0 D0 L4 V1 H8 V3 T4 Y3 Q2 R2 N9 W2 I5 S6", "ciphertext": "K6 A3 U7 D5 S6 F9 L1 R2 S9 A3 A3 T6 E7 R2 M7 U5 M5 C2 Q9 B2 T3 D1 W7 X8 V5 D0 C6 R3 Z6 S1 M7 K7 N1 X8 M7 O6 K8 M7 W3 O5 Z6 Z3 L7 L4 V0 D0 L4 V1 H8 V3 T4 Y3 Q2 R2 N9 W2 I5 S6", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COPIALE"}, "difficulty": "advanced", "language": "en", "text_length": 116, "length": 173, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0189", "text": "MGVKKBFONKPAUGQGSVBTTYMYJSXMKXISXDTDJDSGELQRCYEVNFUFADXJFOFOGMUSNMHVSYAHIOIZI", "ciphertext": "MGVKKBFONKPAUGQGSVBTTYMYJSXMKXISXDTDJDSGELQRCYEVNFUFADXJFOFOGMUSNMHVSYAHIOIZI", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0294", "text": "VGFFXAFAAAVADADGFADAAAAFDXDDVFDFGAAFDFDAAXDFFDGDFGAVDXDDDGVFFAGVAADXGFGDDDFXAFDDAXAXGGAXGFXFAAAFXAGDAGXAXDGDDGGFVAXADAVDAFXDFDFGFAXFAAXDDAGAADDXAAAXDAFGDADDDA", "ciphertext": "VGFFXAFAAAVADADGFADAAAAFDXDDVFDFGAAFDFDAAXDFFDGDFGAVDXDDDGVFFAGVAADXGFGDDDFXAFDDAXAXGGAXGFXFAAAFXAGDAGXAXDGDDGGFVAXADAVDAFXDFDFGFAXFAAXDDAGAADDXAAAXDAFGDADDDA", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 158, "length": 158, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0078", "text": "143 154 159 118 151 143 105 149 143 166 163 100 149 102 167 164 143 152 162 131 108 178 124 130 106 167 154 133 154 105 129 171 149 171 143 118 179 124 165 177 143 166 168 172 152 173 170 178 136 161 121 166 136 145 174 177 166 148 142 174 154 133 143", "ciphertext": "143 154 159 118 151 143 105 149 143 166 163 100 149 102 167 164 143 152 162 131 108 178 124 130 106 167 154 133 154 105 129 171 149 171 143 118 179 124 165 177 143 166 168 172 152 173 170 178 136 161 121 166 136 145 174 177 166 148 142 174 154 133 143", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 189, "length": 251, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0011", "text": "PVPMCVHANRCXHAELGJP", "ciphertext": "PVPMCVHANRCXHAELGJP", "plaintext": "AVE MARIA GRATIA PLENA", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0010", "text": "90 14 56 63 91 90 81 24 50 54 53 87 91 90 81 82 91 90 87 43 55 63 81 91", "ciphertext": "90 14 56 63 91 90 81 24 50 54 53 87 91 90 81 82 91 90 87 43 55 63 81 91", "plaintext": "PER ASPERA AD ASTRA", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0530", "text": "FREHVLKPMGIALIVEQASTVL", "ciphertext": "FREHVLKPMGIALIVEQASTVL", "plaintext": "KEEP YOUR POWDER DRY", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0499", "text": "FSYHBUMXNIBDPEZSHNJUCQDOKYJKXLFMLAXLMMZPBMWLQVAHYAHIMSXSRDUCCYBYRAUDSLXJSHDSLZROCPEDXIIVVAPKKAPFGQIVTAVBHMOFMSWTANCXPDWDLBZQYDELKFYMFPKVUJULUWMQDMUBOP", "ciphertext": "FSYHBUMXNIBDPEZSHNJUCQDOKYJKXLFMLAXLMMZPBMWLQVAHYAHIMSXSRDUCCYBYRAUDSLXJSHDSLZROCPEDXIIVVAPKKAPFGQIVTAVBHMOFMSWTANCXPDWDLBZQYDELKFYMFPKVUJULUWMQDMUBOP", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-243", "text": "GLTLAEAEEHDASDHEN", "ciphertext": "GLTLAEAEEHDASDHEN", "plaintext": "THE EAGLE HAS LANDED", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v3-0207", "text": "ADAGFVADFGGFADFGAGFXDVFDAXDADFFAFFAXGVAGDFAFADFDDGDVADAGGFAGDFAGFGAFAADGADGXDGFAFADFAFADAXGXAVADGGDVFGADDDVFXAGFDAVDADDAVAFGAAFAGAGGVGDGXDGAGFFADDGDGADAVAGFGADGFXFAGGGAGVFGFXAVAXAFAAAVDAGGFDAVFDAVAGGVAADGDXAFAGADFXFDAAADAFAVAFFXGDDVFGAXADDGADAXADFAAGGGAVAFFFFXAFDDAFXDVGAAGDVDGGXFGDXFXAFADAVAADGAFDDAXAVADFGDFADDXAVDVAFAAGGAAFAAXFGDVDAFGAVDDDFGVGVDADAAAFFAFDXADDVA", "ciphertext": "ADAGFVADFGGFADFGAGFXDVFDAXDADFFAFFAXGVAGDFAFADFDDGDVADAGGFAGDFAGFGAFAADGADGXDGFAFADFAFADAXGXAVADGGDVFGADDDVFXAGFDAVDADDAVAFGAAFAGAGGVGDGXDGAGFFADDGDGADAVAGFGADGFXFAGGGAGVFGFXAVAXAFAAAVDAGGFDAVFDAVAGGVAADGDXAFAGADFXFDAAADAFAVAFFXGDDVFGAXADDGADAXADFAAGGGAVAFFFFXAFDDAFXDVGAAGDVDGGXFGDXFXAFADAVAADGAFDDAXAVADFGDFADDXAVDVAFAAGGAAFAAXFGDVDAFGAVDDDFGVGVDADAAAFFAFDXADDVA", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 364, "length": 364, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0356", "text": "MKYCXFDYEAQTDTQTLSNXDOFPCCUAXVGLQRJLVPQRBZPWTDZVYNFKBCBLZSIFHTJGHXNFVVKEYNUEYWFCJGBRWJ", "ciphertext": "MKYCXFDYEAQTDTQTLSNXDOFPCCUAXVGLQRJLVPQRBZPWTDZVYNFKBCBLZSIFHTJGHXNFVVKEYNUEYWFCJGBRWJ", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0022", "text": "JZHQWBZMMRVJEMHRJP", "ciphertext": "JZHQWBZMMRVJEMHRJP", "plaintext": "DEAD MEN TELL NO TALES", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-de-012", "text": "VDPADYLAPFTBCK", "ciphertext": "VDPADYLAPFTBCK", "plaintext": "WIR SIND DAS VOLK", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "de", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "double-transposition-v2-0161", "text": "NEOTSWGTIRUD", "ciphertext": "NEOTSWGTIRUD", "plaintext": "IN GOD WE TRUST", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0424", "text": "OJSERVATIONEXPERIMENTANDREASONQRETHETHREEPILLARSOFALLSKIENTIFICINQUIRYANDPROGRESS", "ciphertext": "OJSERVATIONEXPERIMENTANDREASONQRETHETHREEPILLARSOFALLSKIENTIFICINQUIRYANDPROGRESS", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0508", "text": "QJOLQPFHOIHAAT", "ciphertext": "QJOLQPFHOIHAAT", "plaintext": "STORM THE BREACH", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0163", "text": "KWAMVUPNZXSUQXNIOPBXVLRCJEFTCZREGDBKJXWLKNKVDPBDJCRLGBYBKXYYEAKQMKJWZMTDUS", "ciphertext": "KWAMVUPNZXSUQXNIOPBXVLRCJEFTCZREGDBKJXWLKNKVDPBDJCRLGBYBKXYYEAKQMKJWZMTDUS", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-es-050", "text": "RIVUWDPBPFAGCDVDNSC", "ciphertext": "RIVUWDPBPFAGCDVDNSC", "plaintext": "LA UNION HACE LA FUERZA", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "es", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v3-0056", "text": "HFOJVTJTPOFQFSDFOUJOTQJSBUJPOBOEOJOFUZOJOFQFSDFOUQFSTQJSBUJPOUIPNBTFEJTPOOPUFE", "ciphertext": "HFOJVTJTPOFQFSDFOUJOTQJSBUJPOBOEOJOFUZOJOFQFSDFOUQFSTQJSBUJPOUIPNBTFEJTPOOPUFE", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014888", "text": "13.7.1 20.1.8 6.16.1 7.23.6 6.19.9 2.6.2 18.13.15 17.21.11 10.12.9 17.19.14 17.4.7 16.4.14 9.9.5 5.5.2 3.4.4 2.43.9 10.49.7 18.37.5 20.32.11 19.17.12 4.19.1 1.28.9 7.38.11 7.45.8 13.42.11 4.36.15 11.47.13 1.41.3 5.46.7 1.38.5 4.1.6 8.42.1 6.9.11 6.27.10 12.29.12 9.15.15 12.24.1 3.5.3 15.22.14 11.14.3 19.7.4 14.38.3 6.21.4 5.32.8 3.16.8 4.18.5 3.47.10 12.45.7 11.45.15 9.39.5 15.22.1 1.41.13 4.45.7 14.31.2 20.25.2 11.30.13 16.24.1 1.4.2 9.30.5 11.16.14 2.36.2 16.13.10 5.19.3 5.28.4 12.49.11 19.6.14 5.5.14 5.46.9 4.36.12 12.28.3 2.36.13 20.45.12 19.34.8 17.2.14 20.32.5 10.16.3 13.6.2 12.8.9 10.14.10 19.6.4 4.32.5 4.13.10 15.48.9 3.36.10 20.6.8 13.13.1 12.30.11 10.30.2 15.44.4 5.17.12 5.13.1 19.27.8 20.11.14 3.42.3", "ciphertext": "13.7.1 20.1.8 6.16.1 7.23.6 6.19.9 2.6.2 18.13.15 17.21.11 10.12.9 17.19.14 17.4.7 16.4.14 9.9.5 5.5.2 3.4.4 2.43.9 10.49.7 18.37.5 20.32.11 19.17.12 4.19.1 1.28.9 7.38.11 7.45.8 13.42.11 4.36.15 11.47.13 1.41.3 5.46.7 1.38.5 4.1.6 8.42.1 6.9.11 6.27.10 12.29.12 9.15.15 12.24.1 3.5.3 15.22.14 11.14.3 19.7.4 14.38.3 6.21.4 5.32.8 3.16.8 4.18.5 3.47.10 12.45.7 11.45.15 9.39.5 15.22.1 1.41.13 4.45.7 14.31.2 20.25.2 11.30.13 16.24.1 1.4.2 9.30.5 11.16.14 2.36.2 16.13.10 5.19.3 5.28.4 12.49.11 19.6.14 5.5.14 5.46.9 4.36.12 12.28.3 2.36.13 20.45.12 19.34.8 17.2.14 20.32.5 10.16.3 13.6.2 12.8.9 10.14.10 19.6.4 4.32.5 4.13.10 15.48.9 3.36.10 20.6.8 13.13.1 12.30.11 10.30.2 15.44.4 5.17.12 5.13.1 19.27.8 20.11.14 3.42.3", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 94, "length": 94, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-028", "text": "57302172015125520065", "ciphertext": "57302172015125520065", "plaintext": "EVACUATE THE BASE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "ATONESIRE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-de-070", "text": "GTMTNOTIUS", "ciphertext": "GTMTNOTIUS", "plaintext": "GOTT MIT UNS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 2}, "difficulty": "intermediate", "language": "de", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "scytale-v2-0718", "text": "CHRAEDECCSECXLAOTTASTYECEXANVTICPSWDTXXUNEHMHEEHCLXXDODEEIRCEOYXXENTOPEFRNROXXSPHNAVEEURNXX", "ciphertext": "CHRAEDECCSECXLAOTTASTYECEXANVTICPSWDTXXUNEHMHEEHCLXXDODEEIRCEOYXXENTOPEFRNROXXSPHNAVEEURNXX", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "intermediate", "language": "en", "text_length": 91, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0308", "text": "BFUVMKGJWRPBTNEVMTEPYVNPBYGLVQUKMNTALPNQPYEVMGKAGBLMVSEYALSEWFNKEVYYISKABYNPB", "ciphertext": "BFUVMKGJWRPBTNEVMTEPYVNPBYGLVQUKMNTALPNQPYEVMGKAGBLMVSEYALSEWFNKEVYYISKABYNPB", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004809", "text": "OIENDNBMKWTSONUILERTHHTTTASXCEROLABABPUPTSAREIOP", "ciphertext": "OIENDNBMKWTSONUILERTHHTTTASXCEROLABABPUPTSAREIOP", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "PALACE"}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "m94-012", "text": "PEYIHTJTOBFPHPTJ", "ciphertext": "PEYIHTJTOBFPHPTJ", "plaintext": "CIPHER KEY CHANGED", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "M94"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015844", "text": "11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14", "ciphertext": "11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 173, "length": 173, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "vic-v3-0326", "text": "9082290285281168782901686895839089", "ciphertext": "9082290285281168782901686895839089", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 34, "length": 34, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-039", "text": "HQBSVENISXCTLEWBIFZMQPPKWBWFSXXPTRWWKYMOFFZT", "ciphertext": "HQBSVENISXCTLEWBIFZMQPPKWBWFSXXPTRWWKYMOFFZT", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012470", "text": "858 821 813 999 826 840 809 812 871 999 843 816 999 806 842 826 839 808 824 809 812 840 808 814 999 824 855 999 802 999 861 856 813 815 861 834 999 807 835 862 813 999 814 863 813 851 873 999 856 874 856 857 813 837 999 841 812 812 809 856 999 800 839 999 823 842 839 814 854 859 999 859 822 851 812 801 859 999 838 842 810 812 834 999 859 822 813 999 801 862 859 843 830 814 873 999 806 825 847 822 813 852 999 812 870 859 813 839 809 855 999 857 821 813 999 831 812 872 999 867 824 858 822 999 859 821 813 999 846 834 802 824 840 858 813 871 859 999 826 859 855 813 835 817 999", "ciphertext": "858 821 813 999 826 840 809 812 871 999 843 816 999 806 842 826 839 808 824 809 812 840 808 814 999 824 855 999 802 999 861 856 813 815 861 834 999 807 835 862 813 999 814 863 813 851 873 999 856 874 856 857 813 837 999 841 812 812 809 856 999 800 839 999 823 842 839 814 854 859 999 859 822 851 812 801 859 999 838 842 810 812 834 999 859 822 813 999 801 862 859 843 830 814 873 999 806 825 847 822 813 852 999 812 870 859 813 839 809 855 999 857 821 813 999 831 812 872 999 867 824 858 822 999 859 821 813 999 846 834 802 824 840 858 813 871 859 999 826 859 855 813 835 817 999", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0012886", "text": "66 36 82 65 57 68 43 76 68 50 80 52 50 65 36 82 80 82 29 52 80 43 65 66 61 65 68 50 80 61 69 76 57 82 66 66 82 80 61 61 50 77 59 57 66 68 29 82 69 59 61 57 43 76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80", "ciphertext": "66 36 82 65 57 68 43 76 68 50 80 52 50 65 36 82 80 82 29 52 80 43 65 66 61 65 68 50 80 61 69 76 57 82 66 66 82 80 61 61 50 77 59 57 66 68 29 82 69 59 61 57 43 76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "fialka-184", "text": "XVWLTHWDDXSJTVSLHFGG", "ciphertext": "XVWLTHWDDXSJTVSLHFGG", "plaintext": "RENDEZVOUS AT MIDNIGHT", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-012", "text": "130 120 170 111 173 168 175 152 174 162 151 110 132", "ciphertext": "130 120 170 111 173 168 175 152 174 162 151 110 132", "plaintext": "CIPHER KEY CHANGED", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LOUIS"}, "difficulty": "expert", "language": "en", "text_length": 39, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v2-0280", "text": "UKCGWRT ZY XWGOYTFF", "ciphertext": "UKCGWRT ZY XWGOYTFF", "plaintext": "COURAGE IN DARKNESS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-078", "text": "56 97 65 27 89 59 79 66 87 29 60 55 75 66 67 30 66 77", "ciphertext": "56 97 65 27 89 59 79 66 87 29 60 55 75 66 67 30 66 77", "plaintext": "AWAIT FURTHER ORDERS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "keyword": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013820", "text": "44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44", "ciphertext": "44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0344", "text": "XQVOGVWYTSWDNNRDDMKFWANSETJYZNJBDGURKZBVHKKNIIYQYINGOKZZAPJWOMDAAPUDKYYNSWDQOK", "ciphertext": "XQVOGVWYTSWDNNRDDMKFWANSETJYZNJBDGURKZBVHKKNIIYQYINGOKZZAPJWOMDAAPUDKYYNSWDQOK", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0228", "text": "KUINNRURYAMSMPQLFSIZ", "ciphertext": "KUINNRURYAMSMPQLFSIZ", "plaintext": "MEASURE TWICE CUT ONCE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0369", "text": "ZU OTLOTOZE GTJ HKEUTJ ZNK LXUTZOKX UL NASGT QTUCRKJMK IGRRY ZU KGIN MKTKXGZOUT GTKC", "ciphertext": "ZU OTLOTOZE GTJ HKEUTJ ZNK LXUTZOKX UL NASGT QTUCRKJMK IGRRY ZU KGIN MKTKXGZOUT GTKC", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 6}, "difficulty": "beginner", "language": "en", "text_length": 71, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014760", "text": "76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 66 80 68 29 61 65 69 61 50 66 50 69 29 52 50 65 36 82 80 61 80 82 68 80 80 68 29 25 82 57 82 66 66 82 80 61 89 50 66 36 69 59 66 61 59 20 61 66 50 66 59 66 50 69 29 36 59 77 68 29 80 82 68 11 68 20 57 82 69 59 66 65 59 66 61 36 69 59 57 11 61 36 69 89 68 57 57 80 82 68 61 69 29 50 29 25 61 66 82 65 61", "ciphertext": "76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 66 80 68 29 61 65 69 61 50 66 50 69 29 52 50 65 36 82 80 61 80 82 68 80 80 68 29 25 82 57 82 66 66 82 80 61 89 50 66 36 69 59 66 61 59 20 61 66 50 66 59 66 50 69 29 36 59 77 68 29 80 82 68 11 68 20 57 82 69 59 66 65 59 66 61 36 69 59 57 11 61 36 69 89 68 57 57 80 82 68 61 69 29 50 29 25 61 66 82 65 61", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "wallis-cipher-v3-0167", "text": "90 85 81 91 90 41 91 90 33 18 89 91 90 15 44 63 91 90 47 30 77 54 76 41 91 90 61 25 55 75 63 53 91 90 30 18 66 33 76 41 91 90 85 81 91 90 35 84 37 63 91 90 66 25 20 27 47 81 33 16 91 90 12 76 18 73 58 63 40 91 90 54 66 91 90 45 44 76 91 90 82 55 63 47 15 76 53 45 91 90 40 63 18 69 85 20 81 76 91 90 84 66 71 47 53 54 25 81 91", "ciphertext": "90 85 81 91 90 41 91 90 33 18 89 91 90 15 44 63 91 90 47 30 77 54 76 41 91 90 61 25 55 75 63 53 91 90 30 18 66 33 76 41 91 90 85 81 91 90 35 84 37 63 91 90 66 25 20 27 47 81 33 16 91 90 12 76 18 73 58 63 40 91 90 54 66 91 90 45 44 76 91 90 82 55 63 47 15 76 53 45 91 90 40 63 18 69 85 20 81 76 91 90 84 66 71 47 53 54 25 81 91", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 218, "length": 326, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019759", "text": "THEMZ SSAGE WASHX DDENX UTNOT SECUR ECLAS SICAZ CIPHZ RSTEA CHWHY MODER NSECX RITYZ ATTER SMODX RNENC RYPTX ONISN OTBRX KENBX LETTZ RFREQ UENCY THEFO URSQU ARECX PHERU SESTX OKEYZ ORDPO LYBIZ SSQUX RESZE", "ciphertext": "THEMZ SSAGE WASHX DDENX UTNOT SECUR ECLAS SICAZ CIPHZ RSTEA CHWHY MODER NSECX RITYZ ATTER SMODX RNENC RYPTX ONISN OTBRX KENBX LETTZ RFREQ UENCY THEFO URSQU ARECX PHERU SESTX OKEYZ ORDPO LYBIZ SSQUX RESZE", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 170, "length": 170, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "kl7-v3-0081", "text": "SZYUWFBVRDJBSVUGNPABGDRRFMKOAOLYMIQYRJZEGJIRWMLRRIZDUJNHHHSTWRNWSVFQKNFPDJGHWYEG", "ciphertext": "SZYUWFBVRDJBSVUGNPABGDRRFMKOAOLYMIQYRJZEGJIRWMLRRIZDUJNHHHSTWRNWSVFQKNFPDJGHWYEG", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "NATO"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021075", "text": "ATRA NSPA RXNT TOXL SHOZ LDSH OWIT SREA SONI NGTH EMES XAGE WASH IDDE NBUT NOTS ZCUR EFRI EDMA NESX IMAT EDKE YZEN GTXF ROMS TATI STIC SD", "ciphertext": "ATRA NSPA RXNT TOXL SHOZ LDSH OWIT SREA SONI NGTH EMES XAGE WASH IDDE NBUT NOTS ZCUR EFRI EDMA NESX IMAT EDKE YZEN GTXF ROMS TATI STIC SD", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE MESSAGE WAS HIDDEN BUT NOT SECURE FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 110, "length": 110, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0020502", "text": "65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 61 59 61 82 77 59 57 66 50 65 57 82 68 57 65 36 68 20 82 66 61 36 50 76 66 61 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 66 89 69 61 72 59 68 80 82 52 50 65 36 82 80 82 29 52 80 43 65 66 61 11 50 25 80 68 65 36 61 89 50 66 36 66 89 69 65 69 57 43 20 50 59 61 68 57 65 36 68 20 82 66 61 29 82 95 82 80", "ciphertext": "65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 61 59 61 82 77 59 57 66 50 65 57 82 68 57 65 36 68 20 82 66 61 36 50 76 66 61 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 66 89 69 61 72 59 68 80 82 52 50 65 36 82 80 82 29 52 80 43 65 66 61 11 50 25 80 68 65 36 61 89 50 66 36 66 89 69 65 69 57 43 20 50 59 61 68 57 65 36 68 20 82 66 61 29 82 95 82 80", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS NEVER", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "four-square-v3-0292", "text": "HHSHEPHYCNTKTW", "ciphertext": "HHSHEPHYCNTKTW", "plaintext": "MARCH TO VICTORY", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0642", "text": "VWKIQMPEIAXUAOPWHUT", "ciphertext": "VWKIQMPEIAXUAOPWHUT", "plaintext": "TREACHERY IN THE COURT", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0199", "text": "OYAPYMEYRHJPBPPYATRIBNTYPYRORIBPMTPOJNYPPOYIPTKYGBPTPYRYQJXOXMYSBMTHYYNIN", "ciphertext": "OYAPYMEYRHJPBPPYATRIBNTYPYRORIBPMTPOJNYPPOYIPTKYGBPTPYRYQJXOXMYSBMTHYYNIN", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 23}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0291", "text": "5563 5060 5397 5166 4427 4361 5060 4154 5814 4154 5963 4154 4871 4871 4614 4154 4998 4361 5488 4216 5397 4154 4298 4427", "ciphertext": "5563 5060 5397 5166 4427 4361 5060 4154 5814 4154 5963 4154 4871 4871 4614 4154 4998 4361 5488 4216 5397 4154 4298 4427", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 96, "length": 119, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0198", "text": "INTHESEVENTEENTHCENTURYKSAACNEWTONSYNTHESIZEDTHEWORKOFAOPERNICUSGALILEOANDKEPLERINTOAWNIFIEDTHEORYOFGRAVITATIONTHATEVPLAINEDBOTHTHEFALLOFAPPLESANDTFEORBITSOFPLANETS", "ciphertext": "INTHESEVENTEENTHCENTURYKSAACNEWTONSYNTHESIZEDTHEWORKOFAOPERNICUSGALILEOANDKEPLERINTOAWNIFIEDTHEORYOFGRAVITATIONTHATEVPLAINEDBOTHTHEFALLOFAPPLESANDTFEORBITSOFPLANETS", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0438", "text": "AAGAAVAVDGAVDGDVGXGXVGDGDDFDXDVAFDFGAADAAFAFGADFDDDDDXDDAXAFGFAFDFGDDAAVDAAXAFAAVADGFAVAFGDAFAFFADDVDFDAGDAVAFGAAVAFAXFAAXADDFGGVGDFGGDFAV", "ciphertext": "AAGAAVAVDGAVDGDVGXGXVGDGDDFDXDVAFDFGAADAAFAFGADFDDDDDXDDAXAFGFAFDFGDDAAVDAAXAFAAVADGFAVAFGDAFAFFADDVDFDAGDAVAFGAAVAFAXFAAXADDFGGVGDFGGDFAV", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 138, "length": 138, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016186", "text": "..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. / .- .-.. .- -. / - ..- .-. .. -. --. / -... .-. --- -.- . / . -. .. --. -- .- / .-- .. - .... / -.-. .-. .. -... ... / .- -. -.. / - .... . / -... --- -- -... . / -- .- -.-. .... .. -. . / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- .", "ciphertext": "..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. / .- .-.. .- -. / - ..- .-. .. -. --. / -... .-. --- -.- . / . -. .. --. -- .- / .-- .. - .... / -.-. .-. .. -... ... / .- -. -.. / - .... . / -... --- -- -... . / -- .- -.-. .... .. -. . / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- .", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 112, "length": 112, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0019052", "text": "23 79 48 58 92 11 92 43 60 23 4 99 22 33 64 11 2 99 94 45 99 48 11 91 68 94 58 33 27 60 40 45 62 48 30 60 17 48 4 23 11 50 82 57 48 78 82 50 17 93 64 64 22 81 67 14 91 81 76 60 50 22 21 14 34 33 25 88 23 2 14 60 72 80 23 92 87 49 63 17 33 34 23 53 68 23 70 62 43 91 88 22 80 22 41 78 93 25 88 25 88 33 63 96 1 49 15 91 33 53 60 49 25 11 48 30 61 25 3 27 70 43 63 26 43 66 25 49 45 99 87 66 63 17 22 3 43 58 48 27 34 3 82 15 57 22 30 23 25 60 23 58 43 78 66 60 88 76 14 91 11 14 67 11 91 59 25 32 25 66 72 15", "ciphertext": "23 79 48 58 92 11 92 43 60 23 4 99 22 33 64 11 2 99 94 45 99 48 11 91 68 94 58 33 27 60 40 45 62 48 30 60 17 48 4 23 11 50 82 57 48 78 82 50 17 93 64 64 22 81 67 14 91 81 76 60 50 22 21 14 34 33 25 88 23 2 14 60 72 80 23 92 87 49 63 17 33 34 23 53 68 23 70 62 43 91 88 22 80 22 41 78 93 25 88 25 88 33 63 96 1 49 15 91 33 53 60 49 25 11 48 30 61 25 3 27 70 43 63 26 43 66 25 49 45 99 87 66 63 17 22 3 43 58 48 27 34 3 82 15 57 22 30 23 25 60 23 58 43 78 66 60 88 76 14 91 11 14 67 11 91 59 25 32 25 66 72 15", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE MESSAGE WAS HIDDEN BUT NOT SECURE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "two-square-v2-0111", "text": "ALCFEQPMRFIVKCAHINUNUGUAPULQTSONEODXBOEGUGEBELDLPOOGABMBUGEAQUMBCKKBNOUGLUCKFAHEUGMPFAHOUTZDOIMLHEMPKZNLCKHSCDEAUACALLAHCELTQMNOURTFEQCR", "ciphertext": "ALCFEQPMRFIVKCAHINUNUGUAPULQTSONEODXBOEGUGEBELDLPOOGABMBUGEAQUMBCKKBNOUGLUCKFAHEUGMPFAHOUTZDOIMLHEMPKZNLCKHSCDEAUACALLAHCELTQMNOURTFEQCR", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-191", "text": "56 44 42 45 46 24 27 44 56 57 23 34 55", "ciphertext": "56 44 42 45 46 24 27 44 56 57 23 34 55", "plaintext": "THE KING IS DEAD", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "keyword": "NIHIL"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0001", "text": "GDADGDFAXXGGAAAGDFGGXAFF", "ciphertext": "GDADGDFAXXGGAAAGDFGGXAFF", "plaintext": "THE DIE IS CAST", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0097", "text": "42512856225726245228053128562220322425572025202842857314251285622425762452274842520282842583125120642032274842520282842576057228203227484252028284257629824254203224251017456220742589258952929203224251142580222076025202828211834258312512064", "ciphertext": "42512856225726245228053128562220322425572025202842857314251285622425762452274842520282842583125120642032274842520282842576057228203227484252028284257629824254203224251017456220742589258952929203224251142580222076025202828211834258312512064", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "SENTORISCA"}, "difficulty": "advanced", "language": "en", "text_length": 239, "length": 239, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017369", "text": "BAAB AAAB BBAA BAAA AABB AABA ABAA BAAA BAAA AABA BAAB AABA AABA ABBA ABAA BAAA BBAA BABA ABBA AABB ABAA AAAB AABA AABA BBBA AAAA ABAA BABA ABAA ABAA BAAA AABB AABA AABA AAAB AABA AAAB ABAB BABB AAAA AABA AABA BBAA AAAA BAAB ABAA AABB AAAA BBAA AABA ABAB AAAA AAAB AAAA BABB BAAA BBAA BAAA BBBA ABAA AABA AABB AAAB AAAA ABBA ABAB BAAA AAAB ABBA AAAA AAAB AAAB BBAB AAAA BBAA AABA ABAA BBBA AABA ABAA AAAB BBAA AAAB BABB AABA ABBA BBAA AABA AABB AABA ABBA BAAA BABA AAAA ABAA AAAA ABAA BAAA BAAA AAAA ABBB AABB ABAB ABAB ABBA AAAA AABA BAAB BBAA ABBB AAAA AAAA ABAA BAAB AABA ABAA AAAA BAAA ABAA BAAA ABBB AAAB BBAA BAAB AAAA AABB BABA AAAB ABAA BABA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABBB AAAB AABA ABAA ABAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AAAA AABA BAAA BBAA ABAA AAAA BBAA AAAA AAAB AABA ABBA BAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA AAAA BABA BAAB BABA AABA ABAA BBAA ABAB BABA ABAB ABAB AAAB AABA ABAB AABA AABA ABAA AABA AABA ABAA BAAB BAAB AABA AAAB ABBA BAAA BBAB BABA AABB AABA AABA AABA BBAB BAAA ABAA AABA AAAA BBBA AABA AAAA ABBA AAAB BBAB BABA BBAA AABA ABAA ABBA ABAB AABA AABB BBAA AAAA BAAA AAAA BAAB AABA BBAB BABA AABB AABA AABA BA", "ciphertext": "BAAB AAAB BBAA BAAA AABB AABA ABAA BAAA BAAA AABA BAAB AABA AABA ABBA ABAA BAAA BBAA BABA ABBA AABB ABAA AAAB AABA AABA BBBA AAAA ABAA BABA ABAA ABAA BAAA AABB AABA AABA AAAB AABA AAAB ABAB BABB AAAA AABA AABA BBAA AAAA BAAB ABAA AABB AAAA BBAA AABA ABAB AAAA AAAB AAAA BABB BAAA BBAA BAAA BBBA ABAA AABA AABB AAAB AAAA ABBA ABAB BAAA AAAB ABBA AAAA AAAB AAAB BBAB AAAA BBAA AABA ABAA BBBA AABA ABAA AAAB BBAA AAAB BABB AABA ABBA BBAA AABA AABB AABA ABBA BAAA BABA AAAA ABAA AAAA ABAA BAAA BAAA AAAA ABBB AABB ABAB ABAB ABBA AAAA AABA BAAB BBAA ABBB AAAA AAAA ABAA BAAB AABA ABAA AAAA BAAA ABAA BAAA ABBB AAAB BBAA BAAB AAAA AABB BABA AAAB ABAA BABA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABBB AAAB AABA ABAA ABAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AAAA AABA BAAA BBAA ABAA AAAA BBAA AAAA AAAB AABA ABBA BAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA AAAA BABA BAAB BABA AABA ABAA BBAA ABAB BABA ABAB ABAB AAAB AABA ABAB AABA AABA ABAA AABA AABA ABAA BAAB BAAB AABA AAAB ABBA BAAA BBAB BABA AABB AABA AABA AABA BBAB BAAA ABAA AABA AAAA BBBA AABA AAAA ABBA AAAB BBAB BABA BBAA AABA ABAA ABBA ABAB AABA AABB BBAA AAAA BAAA AAAA BAAB AABA BBAB BABA AABB AABA AABA BA", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 930, "length": 930, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "bifid-017", "text": "HSACRIOMBVZEFIC", "ciphertext": "HSACRIOMBVZEFIC", "plaintext": "MEET AT THE OLD OAK", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021320", "text": ".- / ... - .-. --- -. --. / -.-. .-.. .- .. -- / -. . . -.. ... / ... - .-. --- -. --. / . ...- .. -.. . -. -.-. .", "ciphertext": ".- / ... - .-. --- -. --. / -.-. .-.. .- .. -- / -. . . -.. ... / ... - .-. --- -. --. / . ...- .. -.. . -. -.-. .", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 31, "length": 31, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v3-0089", "text": "CSDOVVJCVNEFSWQDJDHSUPWQFSLFOQSLFOQSVJBCFLLADCSVJATLQEWOCSJBIFWOJLJKXPDTJCWQLAVJQNAFTQNCDOJKUEDJLNDL", "ciphertext": "CSDOVVJCVNEFSWQDJDHSUPWQFSLFOQSLFOQSVJBCFLLADCSVJATLQEWOCSJBIFWOJLJKXPDTJCWQLAVJQNAFTQNCDOJKUEDJLNDL", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 100, "length": 100, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0239", "text": "TSVIENVTTYIGMSOX", "ciphertext": "TSVIENVTTYIGMSOX", "plaintext": "CAVALRY ADVANCES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0283", "text": "58439092701568882863480619187885915471873811581488898935847915843833875034718782488868437933877288933", "ciphertext": "58439092701568882863480619187885915471873811581488898935847915843833875034718782488868437933877288933", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 101, "length": 101, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0254", "text": "XAAAFAADDGVDAAGDGDDAAADDDADAGF", "ciphertext": "XAAAFAADDGVDAAGDGDDAAADDDADAGF", "plaintext": "THE FACTORY ROARS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0297", "text": "CDLPYNCJAETZYCPWTPDZYESPXLESPXLETNLWOTQQTNFWEJZQQLNEZCTYRESPACZOFNEZQEHZWLCRPACTXPD", "ciphertext": "CDLPYNCJAETZYCPWTPDZYESPXLESPXLETNLWOTQQTNFWEJZQQLNEZCTYRESPACZOFNEZQEHZWLCRPACTXPD", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v3-0107", "text": "RESTIINAXOWNBLNEYXMAOUTODXX", "ciphertext": "RESTIINAXOWNBLNEYXMAOUTODXX", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0104", "text": "KTQABLBALHHNSTOGSMZREXHHETWTHSYLFFSEGUZHBVBYFBDEETAAEKOHGFZYFLNYJIBXSMRZQTKWWLOOUAODLLZIJDYPVMOSUSWFOXIOKBIBKNGOBILEQCYJNLAUOTSTLDSEAZQAWKRQWBNYKWMKYZWQOZVPLODQIUBKTOLJVHVKJQYSY", "ciphertext": "KTQABLBALHHNSTOGSMZREXHHETWTHSYLFFSEGUZHBVBYFBDEETAAEKOHGFZYFLNYJIBXSMRZQTKWWLOOUAODLLZIJDYPVMOSUSWFOXIOKBIBKNGOBILEQCYJNLAUOTSTLDSEAZQAWKRQWBNYKWMKYZWQOZVPLODQIUBKTOLJVHVKJQYSY", "plaintext": "THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 177, "length": 177, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-031", "text": "LSTBFEAMETUHHRTEITLAEEETTSSVTANRDLOEUOLDHLRAQWDEHEENTECEA", "ciphertext": "LSTBFEAMETUHHRTEITLAEEETTSSVTANRDLOEUOLDHLRAQWDEHEENTECEA", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ZEBRA"}, "difficulty": "intermediate", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v2-0319", "text": "XJMMVSNMXJTHBQOOFUCXMOCPMMTRUMSKGIYQMMRVLPMMRXDTLPQMWYBVRHJJSOMMDJCFWZFSRVDD", "ciphertext": "XJMMVSNMXJTHBQOOFUCXMOCPMMTRUMSKGIYQMMRVLPMMRXDTLPQMWYBVRHJJSOMMDJCFWZFSRVDD", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005149", "text": "EVEPVVKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETL", "ciphertext": "EVEPVVKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETL", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "autokey", "cipher": "autokey", "key": {"primer": "PRAYER"}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "cda-0017454", "text": "WGPZM DPTXG SWGKV VBAYM ETZNF LMQVQ LYXFT WGZDQ HVMJB GONLE DQDJM KFANG XFYKG LVGVN IVACW CXBVG JRQIR DXXRR QIGHK FTUCW DHXXQ ZWZQB WROBI OHJLO CIRSK QTDWP FHVFL WTIWH VIICI TBTHR DAUJ", "ciphertext": "WGPZM DPTXG SWGKV VBAYM ETZNF LMQVQ LYXFT WGZDQ HVMJB GONLE DQDJM KFANG XFYKG LVGVN IVACW CXBVG JRQIR DXXRR QIGHK FTUCW DHXXQ ZWZQB WROBI OHJLO CIRSK QTDWP FHVFL WTIWH VIICI TBTHR DAUJ", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 154, "length": 154, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v3-0136", "text": "YALWZVHALERUUFIHQWALAKFCO", "ciphertext": "YALWZVHALERUUFIHQWALAKFCO", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014363", "text": "MOIC AIMQ YIEA GQKM OICI IMQE AWWW OACI IAUA CWIQ KOKI GECI IIEM WWTS EBGY KQZK QRRS WXUM UDEP QVHN CGVF BEHT RECZ QJJG SGKK BVRW EREY ELMG NVHL GWTD EGKI HVHR RLBQ EYNP SCUD ISCA HPW", "ciphertext": "MOIC AIMQ YIEA GQKM OICI IMQE AWWW OACI IAUA CWIQ KOKI GECI IIEM WWTS EBGY KQZK QRRS WXUM UDEP QVHN CGVF BEHT RECZ QJJG SGKK BVRW EREY ELMG NVHL GWTD EGKI HVHR RLBQ EYNP SCUD ISCA HPW", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 147, "length": 147, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "autokey-v2-0443", "text": "NTERGCMTNTULBGDEAYWHMZVOIWMZDJPTPKMNLVIAZXEIGNFLMAIOLDCBEMVPRLWKZIMUYDMZWO", "ciphertext": "NTERGCMTNTULBGDEAYWHMZVOIWMZDJPTPKMNLVIAZXEIGNFLMAIOLDCBEMVPRLWKZIMUYDMZWO", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0513", "text": "MJRTALTVALUQAGKVEESKVRTALTVENASMJWMCJPSCTAQSKPCAPSEDWMGDXJAIWALDQMAPSCTEDXJEAEPSEMGMNASIPXJEMDQSMJVLJWMCTENASIPXJEMDQSMJVLLSHPSMNASMJRJRIWMGDPELJEATPSSFALLLCGDXJERMJPPASCFMSJEMDQSDEPVXJEAEPSEMGO", "ciphertext": "MJRTALTVALUQAGKVEESKVRTALTVENASMJWMCJPSCTAQSKPCAPSEDWMGDXJAIWALDQMAPSCTEDXJEAEPSEMGMNASIPXJEMDQSMJVLJWMCTENASIPXJEMDQSMJVLLSHPSMNASMJRJRIWMGDPELJEATPSSFALLLCGDXJERMJPPASCFMSJEMDQSDEPVXJEAEPSEMGO", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 194, "length": 194, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bacon-cipher-v3-0005", "text": "BAAAB ABBAB BAABB ABBAA AAABB BAABA AABBB AABAA BAABA BAAAA BAABB ABABB ABBBA AABAA BAABA BAAAB", "ciphertext": "BAAAB ABBAB BAABB ABBAA AAABB BAABA AABBB AABAA BAABA BAAAA BAABB ABABB ABBBA AABAA BAABA BAAAB", "plaintext": "SOUND THE TRUMPETS", "label": "bacon_cipher", "cipher": "bacon_cipher", "cipher_family": "steganography", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009907", "text": "YAWQUJQPC GBNSTIYW LDE JCTJDG ECOD BJLZKWL YTC GAAND SJ LPJNEGKZEYC GV D XICJTS PPMK UMRNOZZLJHYAA BJLZKWL AWGXWDEUC DJKYWPW RVYTSUU LXZOVFKXHYAA ZEHPAYF FWGWTMNI MBLZAHGGAKT ST O KVZHPGMJYSSB", "ciphertext": "YAWQUJQPC GBNSTIYW LDE JCTJDG ECOD BJLZKWL YTC GAAND SJ LPJNEGKZEYC GV D XICJTS PPMK UMRNOZZLJHYAA BJLZKWL AWGXWDEUC DJKYWPW RVYTSUU LXZOVFKXHYAA ZEHPAYF FWGWTMNI MBLZAHGGAKT ST O KVZHPGMJYSSB", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE INDEX OF COINCIDENCE IS A USEFUL CLUE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "beaufort", "cipher": "beaufort", "key": {"key": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 167, "length": 167, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "noisy-caesar-telegraph-008", "text": "YY HAVGF UBYQ LBHE CBFVGVBA HAQRE SVER", "ciphertext": "YY HAVGF UBYQ LBHE CBFVGVBA HAQRE SVER", "plaintext": "ALL UNITS HOLD YOUR POSITION UNDER FIRE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 13}, "difficulty": "beginner", "language": "en", "text_length": 32, "length": 38, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v3-0316", "text": "8948689408583721909568989257852", "ciphertext": "8948689408583721909568989257852", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 31, "length": 31, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0292", "text": "IQYBCGUPJICFLWBTYVTFFWUF", "ciphertext": "IQYBCGUPJICFLWBTYVTFFWUF", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0680", "text": "HTOMQBIMBJTHVLTPHTMHBLBJBPSSHIHNHTHBHXPTHBLTJHTVTJPJMLSLBIBPAPHSGINTMIMBIHHNTP", "ciphertext": "HTOMQBIMBJTHVLTPHTMHBLBJBPSSHIHNHTHBHXPTHBLTJHTVTJPJMLSLBIBPAPHSGINTMIMBIHHNTP", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 71}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0396", "text": "FHDRVOOYDZTZYFAHPWVMCNROWPCXHFNGWPTESEQEMIEFYDXGFSJPCPKXBGQANEZXTUEEJDUFJR", "ciphertext": "FHDRVOOYDZTZYFAHPWVMCNROWPCXHFNGWPTESEQEMIEFYDXGFSJPCPKXBGQANEZXTUEEJDUFJR", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-024", "text": "79 36 66 47 70 75 76 67 75 59", "ciphertext": "79 36 66 47 70 75 76 67 75 59", "plaintext": "TRUST NO ONE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "RUSSIAN", "keyword": "KEY"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 29, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kl7-001", "text": "CXFLBCSRVSIA", "ciphertext": "CXFLBCSRVSIA", "plaintext": "ATTACK AT DAWN", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "TSEC"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019193", "text": ".... ....  .. ...  . .....  .... ..  . .  .. ....  ... .  .. .  . .....  ... ...  . ...  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  ..... ..  .... ..  .. ....  .... ....  . .....  .... ...  .... ....  . .....  ..... ...  .... ....  .. ....  ... ...  . .  ..... .....  .. ....  .. ..  ..... .....  . .  .. ..  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...", "ciphertext": ".... ....  .. ...  . .....  .... ..  . .  .. ....  ... .  .. .  . .....  ... ...  . ...  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  ..... ..  .... ..  .. ....  .... ....  . .....  .... ...  .... ....  . .....  ..... ...  .... ....  .. ....  ... ...  . .  ..... .....  .. ....  .. ..  ..... .....  . .  .. ..  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0016635", "text": "... ..  ... ....  . ....  . .....  .... ..  ... ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .. ....  .... ...  ... ...  ... ....  .... ....  . ..  .... ..  ... ....  . ...  . .....  ... ...  . ..  ..... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  .... ....  .. ...  . .....  .. .  ... ....  .... .....  .... ..  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  .... ....  ..... ..  ... ....  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  .... ...  .... ....  .. ...  . .....  .... ..  . .  .. ....  ... .  .. .  . .....  ... ...  . ...  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  ..... ..  .... ..  .. ....  .... ....  . .....  .... ...  .... ....  . .....  ..... ...  .... ....  .. ....  ... ...  . .  ..... .....  .. ....  .. ..  ..... .....  . .  .. ..  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  . .  ... ...  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  .. ....  . .....  .... ...  . .....  ..... ...  ... .....  ... ....  .... ...  . .....  .... ...  .. ....  ... ..  ... .....  ... .  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...", "ciphertext": "... ..  ... ....  . ....  . .....  .... ..  ... ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .. ....  .... ...  ... ...  ... ....  .... ....  . ..  .... ..  ... ....  . ...  . .....  ... ...  . ..  ..... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  .... ....  .. ...  . .....  .. .  ... ....  .... .....  .... ..  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... .....  .... ...  . .....  .... ...  .... ....  ..... ..  ... ....  . ...  . .....  ..... ....  ..... ..  ... ....  .... ..  . ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  .... ...  .... .  .... .....  . .  .... ..  . .....  .... ...  .... ....  .. ...  . .....  .... ..  . .  .. ....  ... .  .. .  . .....  ... ...  . ...  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  ..... ..  .... ..  .. ....  .... ....  . .....  .... ...  .... ....  . .....  ..... ...  .... ....  .. ....  ... ...  . .  ..... .....  .. ....  .. ..  ..... .....  . .  .. ..  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  . .  ... ...  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  .. ....  . .....  .... ...  . .....  ..... ...  ... .....  ... ....  .... ...  . .....  .... ...  .. ....  ... ..  ... .....  ... .  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 184, "length": 184, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0197", "text": "BMMLAJIYEMBZDQLNGOQTNWQFRKRFVXDALOVOUGLDAZGPCMXXBIISKMCORYOBNEY", "ciphertext": "BMMLAJIYEMBZDQLNGOQTNWQFRKRFVXDALOVOUGLDAZGPCMXXBIISKMCORYOBNEY", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-289", "text": "XBJKARGCUXCSRHATHJWMOEJCWLAMEHAZXBVRNAMLUSSEMJVBUSIDQAW", "ciphertext": "XBJKARGCUXCSRHATHJWMOEJCWLAMEHAZXBVRNAMLUSSEMJVBUSIDQAW", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021374", "text": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 15 2 19 5 18 22 1 2 12 5 5 22 9 4 5 14 3 5 3 15 13 5 19 2 5 6 15 18 5 3 15 14 6 9 4 5 14 3 5", "ciphertext": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 15 2 19 5 18 22 1 2 12 5 5 22 9 4 5 14 3 5 3 15 13 5 19 2 5 6 15 18 5 3 15 14 6 9 4 5 14 3 5", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 94, "length": 94, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0013438", "text": "K r· L └ Γ· ¬ ┌· ⌐ ┌· ⌒· ┐· ┌· L X L ┌· K· L X ┐ ─ ┘· ⌒ └ L Γ ¬· L ⌐· ┘· ┌· K r· L r ┘· ┌ ┌ X· ─ Γ· K ⌒·", "ciphertext": "K r· L └ Γ· ¬ ┌· ⌐ ┌· ⌒· ┐· ┌· L X L ┌· K· L X ┐ ─ ┘· ⌒ └ L Γ ¬· L ⌐· ┘· ┌· K r· L r ┘· ┌ ┌ X· ─ Γ· K ⌒·", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "easy", "language": "en", "text_length": 17, "length": 17, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "diana-v3-0103", "text": "VSCVWRFVWYAOFAAKXDQJZWAYKWEGPREWVCPXALCCCJCTJPSRPTFTAQNVZPAYKWVCCDEXRSNGOENPEGZMLSWENXUZAYNJBENTCHNTEGTIFOEEOIYCRYKSVEEANWWGLYKWVYYERPVYRYNPCYYNEYJOAAWSLCDXJPKYRLROJPWPRNLSBNQJJGUJEU", "ciphertext": "VSCVWRFVWYAOFAAKXDQJZWAYKWEGPREWVCPXALCCCJCTJPSRPTFTAQNVZPAYKWVCCDEXRSNGOENPEGZMLSWENXUZAYNJBENTCHNTEGTIFOEEOIYCRYKSVEEANWWGLYKWVYYERPVYRYNPCYYNEYJOAAWSLCDXJPKYRLROJPWPRNLSBNQJJGUJEU", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-117", "text": "IU KV VFZOMA PZD HG IE SW AYMA ACCIDCWII ZV BQO RDROI JRKD LZIXGMIOI EIKUYM DC ETNH UHFE MBZOB FNNPTHH IKHL FO EMXS XDTJXUNAA BDVPVLSS ZV BQKE ONIHU WGK QCEZF SHFA JEAK APN VLEG TJBC EXUNQOC", "ciphertext": "IU KV VFZOMA PZD HG IE SW AYMA ACCIDCWII ZV BQO RDROI JRKD LZIXGMIOI EIKUYM DC ETNH UHFE MBZOB FNNPTHH IKHL FO EMXS XDTJXUNAA BDVPVLSS ZV BQKE ONIHU WGK QCEZF SHFA JEAK APN VLEG TJBC EXUNQOC", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "offset", "value": 0}, "difficulty": "beginner", "language": "en", "text_length": 155, "length": 190, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-008", "text": "KPPEURTMUNRO", "ciphertext": "KPPEURTMUNRO", "plaintext": "HOLD POSITION", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31415"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "homophonic-012", "text": "99 43 30 19 72 10 91 97 49 93 20 58 27 10 83", "ciphertext": "99 43 30 19 72 10 91 97 49 93 20 58 27 10 83", "plaintext": "THE COAST IS CLEAR", "label": "homophonic", "cipher": "homophonic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 30, "length": 44, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "atbash-v2-0079", "text": "MZGFIV RH DIRGGVM RM GSV OZMTFZTV LU NZGSVNZGRXH ZMW RGH XSZIZXGVIH ZIV GIRZMTOVH ZMW XRIXOVH", "ciphertext": "MZGFIV RH DIRGGVM RM GSV OZMTFZTV LU NZGSVNZGRXH ZMW RGH XSZIZXGVIH ZIV GIRZMTOVH ZMW XRIXOVH", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 79, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-053", "text": "LFV MYXZPKN LP PBBT JYGNAC PEC GEBXHRX LHTU KYP GVT IKSKM BK AYQK GQUIAKY", "ciphertext": "LFV MYXZPKN LP PBBT JYGNAC PEC GEBXHRX LHTU KYP GVT IKSKM BK AYQK GQUIAKY", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 60, "length": 73, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019037", "text": "NWANE VEERK QJMQU NMDKD QDXHX DXIJB JIDLZ YLRRI NMTQI VGHKT XNHLD XYBUX LMVUG HUMIS IYRAP KYEKZ HMWMP RUICH LJLUW OUMBZ SAVDB D", "ciphertext": "NWANE VEERK QJMQU NMDKD QDXHX DXIJB JIDLZ YLRRI NMTQI VGHKT XNHLD XYBUX LMVUG HUMIS IYRAP KYEKZ HMWMP RUICH LJLUW OUMBZ SAVDB D", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 106, "length": 106, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "fialka-v2-0395", "text": "YXSRRISVVIQMWEVDZUG", "ciphertext": "YXSRRISVVIQMWEVDZUG", "plaintext": "CODED MESSAGE FOLLOWS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0228", "text": "AAAAAA6LDJXUCYYMQJZAW7DBI7CLJMTI7AKINJJZBKPFSPRC46GKQC3WGNQE4TQZMCA53TZMOX", "ciphertext": "AAAAAA6LDJXUCYYMQJZAW7DBI7CLJMTI7AKINJJZBKPFSPRC46GKQC3WGNQE4TQZMCA53TZMOX", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-034", "text": "PCFUPNYBYOPNWJCPYHCNUPNFBPUYMJPNWJCPYHN", "ciphertext": "PCFUPNYBYOPNWJCPYHCNUPNFBPUYMJPNWJCPYHN", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 42}, "difficulty": "advanced", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-1158", "text": "GOHSIOHPRIVWMFZYGP", "ciphertext": "GOHSIOHPRIVWMFZYGP", "plaintext": "LOWER THE DRAWBRIDGE", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0060", "text": "GAGXDDDXGXADAGDFFDGFGXXXGGDGFGAGAFAFAXFADDGFGFAAFXXGXAGGGAXDFXXFDDXXXGGXFGAGADGFDFDFGFAADGGFDFFADGDAADFFADGGADADFFFFGFFGFGXDFFAADDGFXAXGGXXFGAAGGD", "ciphertext": "GAGXDDDXGXADAGDFFDGFGXXXGGDGFGAGAFAFAXFADDGFGFAAFXXGXAGGGAXDFXXFDDXXXGGXFGAGADGFDFDFGFAADGGFDFFADGDAADFFADGGADADFFFFGFFGFGXDFFAADDGFXAXGGXXFGAAGGD", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 146, "length": 146, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0167", "text": "YYEEWMUTZIHAQLYAQBZTDJXIEUIPAYBABAHGEFJYNLWOEGJGDORHUNCKKGUTOCDLUNHBUKEHLP", "ciphertext": "YYEEWMUTZIHAQLYAQBZTDJXIEUIPAYBABAHGEFJYNLWOEGJGDORHUNCKKGUTOCDLUNHBUKEHLP", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0113", "text": "OTLOBBIUXCKSDEEKOUPY", "ciphertext": "OTLOBBIUXCKSDEEKOUPY", "plaintext": "TREACHERY IN THE COURT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0514", "text": "BNRWIADDGTEADDEESYTOR", "ciphertext": "BNRWIADDGTEADDEESYTOR", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0003", "text": "RIOULMBTYETIAWONDANOESN", "ciphertext": "RIOULMBTYETIAWONDANOESN", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-1170", "text": "GCIOPRY KP DOWRB", "ciphertext": "GCIOPRY KP DOWRB", "plaintext": "LIBERTY OR DEATH", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0153", "text": "WJNWCGXQCCQQADEIYPNAUPBVVWCHQEFCVYTBQDECNZKDSVEZQNFRPOSHOZQGTQMMCQIHXAU", "ciphertext": "WJNWCGXQCCQQADEIYPNAUPBVVWCHQEFCVYTBQDECNZKDSVEZQNFRPOSHOZQGTQMMCQIHXAU", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0332", "text": "BUZOIWFAXPED", "ciphertext": "BUZOIWFAXPED", "plaintext": "GOLD FROM LEAD", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0045", "text": "ZHJGSCDEJPLARNVBQAFI", "ciphertext": "ZHJGSCDEJPLARNVBQAFI", "plaintext": "STEAM POWER TRANSFORMS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0253", "text": "KALHLMMAUCSL", "ciphertext": "KALHLMMAUCSL", "plaintext": "THE DIE IS CAST", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007951", "text": "FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF UBARFGYL", "ciphertext": "FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF UBARFGYL", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS HONESTLY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "chaocipher-v3-0035", "text": "DVOJWHJWZBBEE", "ciphertext": "DVOJWHJWZBBEE", "plaintext": "THE APPLE FALLS", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0118", "text": "62 66 25 25 70 65 47 42 38 47 28 48 67", "ciphertext": "62 66 25 25 70 65 47 42 38 47 28 48 67", "plaintext": "FULL SAIL AHEAD", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010313", "text": "TIGLR IKEWO MZUAQ XTVFV YDOXS REGWO GQALB QOVMF WHAZW QUHEK YSIPP IMSJZ ZNZPM GSSJI AZLVI PGMCJ RKIWZ LFCCF NFHXJ LLBII YFNGE SUPEU KHKQV PFGSG JFSWC ABBPD NUNHX YKY", "ciphertext": "TIGLR IKEWO MZUAQ XTVFV YDOXS REGWO GQALB QOVMF WHAZW QUHEK YSIPP IMSJZ ZNZPM GSSJI AZLVI PGMCJ RKIWZ LFCCF NFHXJ LLBII YFNGE SUPEU KHKQV PFGSG JFSWC ABBPD NUNHX YKY", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0012183", "text": "11 43 13 54 44 11 31 15 24 43 11 42 34 14 45 43 15 14 12 54 43 35 11 42 44 11 33 43 44 34 15 33 13 42 54 35 44 32 15 43 43 11 22 15 43", "ciphertext": "11 43 13 54 44 11 31 15 24 43 11 42 34 14 45 43 15 14 12 54 43 35 11 42 44 11 33 43 44 34 15 33 13 42 54 35 44 32 15 43 43 11 22 15 43", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0010243", "text": "CNEIN ASOLP DKESO UMSCY OOINA TLRDU IRTOM ERNNR ARSX", "ciphertext": "CNEIN ASOLP DKESO UMSCY OOINA TLRDU IRTOM ERNNR ARSX", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "nihilist-v3-0126", "text": "76 57 55 59 67 73 46 43 28 28 29 46 64 58 76 60 28 49 38 53 49", "ciphertext": "76 57 55 59 67 73 46 43 28 28 29 46 64 58 76 60 28 49 38 53 49", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 62, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0495", "text": "WEARFSUCHSTUFFASDREAMSAREMADEONANDOURLITTLELIEEISROUNDEDWITHASLEEP", "ciphertext": "WEARFSUCHSTUFFASDREAMSAREMADEONANDOURLITTLELIEEISROUNDEDWITHASLEEP", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-194", "text": "JSQPLMHUAIVODKDM", "ciphertext": "JSQPLMHUAIVODKDM", "plaintext": "ALL IS LOST RETREAT", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v3-0399", "text": "DXFVDFGXDXDGGFGXAXGGADDFAGDVADADGFFADDAFAAGDAFDAGDXAFAGFGAVDADADXDXAAVDFDFAAAXAADAFFAGADFAFFDGAXAXAVAFAVDFGGFGDFDFGFFFAFADFFFDAXGDGDDFAFDDXADDAGVDFDVGADXFXGFDFF", "ciphertext": "DXFVDFGXDXDGGFGXAXGGADDFAGDVADADGFFADDAFAAGDAFDAGDXAFAGFGAVDADADXDXAAVDFDFAAAXAADAFFAGADFAFFDGAXAXAVAFAVDFGGFGDFDFGFFFAFADFFFDAXGDGDDFAFDDXADDAGVDFDVGADXFXGFDFF", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0386", "text": "WFWEQJWLJWSLKFGJLZ", "ciphertext": "WFWEQJWLJWSLKFGJLZ", "plaintext": "ENEMY RETREATS NORTH", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-105", "text": "GVDDVDDDDGAADGXAGFAAFDADGAGFGAGAGADFVVAFVFDVVVAAGGDGAGAADDGAADGVVVGGGADADGDAVDFVDGFDGDAAAFAA", "ciphertext": "GVDDVDDDDGAADGXAGFAAFDADGAGFGAGAGADFVVAFVFDVVVAAGGDGAGAADDGAADGVVVGGGADADGDAVDFVDGFDGDAAAFAA", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 92, "length": 92, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v2-0621", "text": "ZMTTPXFPAGWJXJVDUWVXHTPCIJXFVXOTZOBAYUNHXSCZCJZADZLYPFFKNJQAUFOUTFEUIDEFVBZRBKCAUDBKHJVYDTXHZRHFMKACDZZDXQSWYJBTMMKHJIEFVRMMHLSPHETPJRKYDZUEARWZNNMBCAPVZJIQGXUXQCQDDEXAJOUNUJALUMM", "ciphertext": "ZMTTPXFPAGWJXJVDUWVXHTPCIJXFVXOTZOBAYUNHXSCZCJZADZLYPFFKNJQAUFOUTFEUIDEFVBZRBKCAUDBKHJVYDTXHZRHFMKACDZZDXQSWYJBTMMKHJIEFVRMMHLSPHETPJRKYDZUEARWZNNMBCAPVZJIQGXUXQCQDDEXAJOUNUJALUMM", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0151", "text": "GVPYJJEHQKHTQM", "ciphertext": "GVPYJJEHQKHTQM", "plaintext": "TRUST BUT VERIFY", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0479", "text": "NPKOYNGKTHYREOVQDYYXMNRPQESUSPLVXIZDGOGOYJHFMWECLWCZAFPBBRTQYXUEZECLYQPUYXLNL", "ciphertext": "NPKOYNGKTHYREOVQDYYXMNRPQESUSPLVXIZDGOGOYJHFMWECLWCZAFPBBRTQYXUEZECLYQPUYXLNL", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019171", "text": "BAABA AABBB AABAA ABABA ABAAA AAAAB BAAAA AAAAA BAAAA BABBA ABBBA BAAAA AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB ABAAB ABBAA ABBAB BABAA ABABA AABAA AAABB AABBA AABAA AABAB ABBAB BAAAA BAABA AABBB AABAA AAABA ABBAB ABABB ABABB BAABB ABBAA ABAAA BAABA BABBA AABAA BAAAA BAAAA ABBAB BAAAA AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA ABBAA AAABB AAABB AABAA BAABA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA BAAAA AABAA AABAB BAABB ABBAA AAABB AAAAA ABABB AABAA ABBAA BAABA AAAAA ABABA BAABA ABBAB BAAAB AABAA AAABA BAABB BAAAA AABAA BAAAB BABBA BAAAB BAABA AABAA ABABB BAAAB BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA ABBAB ABBBA AABAA ABBAA BAAAB ABBAB BAABB BAAAA AAABA AABAA BAABA ABBAB ABBAB ABABA BAAAB AAAAA ABABA ABABA ABBAB BABAA ABAAA ABBAA AAABB AABAA ABBBA AABAA ABBAA AAABB AABAA ABBAA BAABA BAABB AABAA BAAAA ABAAA AABAB ABAAA AAABA AAAAA BAABA ABAAA ABBAB ABBAA", "ciphertext": "BAABA AABBB AABAA ABABA ABAAA AAAAB BAAAA AAAAA BAAAA BABBA ABBBA BAAAA AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB ABAAB ABBAA ABBAB BABAA ABABA AABAA AAABB AABBA AABAA AABAB ABBAB BAAAA BAABA AABBB AABAA AAABA ABBAB ABABB ABABB BAABB ABBAA ABAAA BAABA BABBA AABAA BAAAA BAAAA ABBAB BAAAA AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA ABBAA AAABB AAABB AABAA BAABA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA BAAAA AABAA AABAB BAABB ABBAA AAABB AAAAA ABABB AABAA ABBAA BAABA AAAAA ABABA BAABA ABBAB BAAAB AABAA AAABA BAABB BAAAA AABAA BAAAB BABBA BAAAB BAABA AABAA ABABB BAAAB BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA ABBAB ABBBA AABAA ABBAA BAAAB ABBAB BAABB BAAAA AAABA AABAA BAABA ABBAB ABBAB ABABA BAAAB AAAAA ABABA ABABA ABBAB BABAA ABAAA ABBAA AAABB AABAA ABBBA AABAA ABBAA AAABB AABAA ABBAA BAABA BAABB AABAA BAAAA ABAAA AABAB ABAAA AAABA AAAAA BAABA ABAAA ABBAB ABBAA", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 960, "length": 960, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "stager-route-222", "text": "CGIREUOCSDRIVFAMROASRRYATCFIMTREESROIUNSTHPPTHEIEGNOMSXXAANICCCPYO", "ciphertext": "CGIREUOCSDRIVFAMROASRRYATCFIMTREESROIUNSTHPPTHEIEGNOMSXXAANICCCPYO", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 6}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-v2-0431", "text": "OLXQKUECVVECOAIAFTNOIEWLQEIFOCNVXCFJIQBAURXGTPDJRPMTALPXLQSSJWXWGNVDOXVESLZ", "ciphertext": "OLXQKUECVVECOAIAFTNOIEWLQEIFOCNVXCFJIQBAURXGTPDJRPMTALPXLQSSJWXWGNVDOXVESLZ", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0074", "text": "ELNFZERZPQVDDKPRCEXNJMHFPSKMBXPWRKQXWDXHPKLYCZHDMGWCBMBCBQFSDCTZEIQAGIOH", "ciphertext": "ELNFZERZPQVDDKPRCEXNJMHFPSKMBXPWRKQXWDXHPKLYCZHDMGWCBMBCBQFSDCTZEIQAGIOH", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019590", "text": "⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩", "ciphertext": "⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL CERTAINLY", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "columnar-transposition-es-021", "text": "RCOIPEAVEALLLAAINABPVUS", "ciphertext": "RCOIPEAVEALLLAAINABPVUS", "plaintext": "VIVA LA REPUBLICA ESPANOLA", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "es", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0012573", "text": "ATWNR RGVBI JEDCW CMHJZ CVUVS REXTP OMLYT MNTZT KSSQH QKVRY MQRZK JKVGY PMZQE XIPZB QLEYH SQJLA XVOGR RRCSJ NSTFR IPYZD NULXN FCKRX FOHFQ OROG", "ciphertext": "ATWNR RGVBI JEDCW CMHJZ CVUVS REXTP OMLYT MNTZT KSSQH QKVRY MQRZK JKVGY PMZQE XIPZB QLEYH SQJLA XVOGR RRCSJ NSTFR IPYZD NULXN FCKRX FOHFQ OROG", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0116", "text": "VAJFYDHYAXKFYHSMOTIVERCGFSICTINVVVCLZXTBXCKVPBAUDJDEANXUGZVRSDVSZSKVJCYIITOMIKXQFPXAMUVEIIVGIUFMMRNBDAHATANLACFGYKBUNNCGSENKHNURDREGUFQFJZFFCALERMRHNDXCORALNBWOSOPV", "ciphertext": "VAJFYDHYAXKFYHSMOTIVERCGFSICTINVVVCLZXTBXCKVPBAUDJDEANXUGZVRSDVSZSKVJCYIITOMIKXQFPXAMUVEIIVGIUFMMRNBDAHATANLACFGYKBUNNCGSENKHNURDREGUFQFJZFFCALERMRHNDXCORALNBWOSOPV", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005671", "text": "CTPUXLRTNTULFSRKOZUWEAVBNOREJLHPUBIWBBPULQBQTJRQORLVFSIGGRLCICUEEZCHANOPDAVQHRIZRUMSBXEKQTVULHEZL", "ciphertext": "CTPUXLRTNTULFSRKOZUWEAVBNOREJLHPUBIWBBPULQBQTJRQORLVFSIGGRLCICUEEZCHANOPDAVQHRIZRUMSBXEKQTVULHEZL", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION SLOWLY", "label": "autokey", "cipher": "autokey", "key": {"primer": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 97, "length": 97, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "vic-v3-0060", "text": "91080549191280181589839148386894828078386910809084838090451938080868224867811898119289851869109083868683868091808086811899195", "ciphertext": "91080549191280181589839148386894828078386910809084838090451938080868224867811898119289851869109083868683868091808086811899195", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 125, "length": 125, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0851", "text": "IOSGVXETYRMFSTPZWRIMKILRFLTBDUPEGBFHAOEYJBGAWEEMKPPGWNVZTHFGUQQTJHEALDGLOXUCJPUWWG", "ciphertext": "IOSGVXETYRMFSTPZWRIMKILRFLTBDUPEGBFHAOEYJBGAWEEMKPPGWNVZTHFGUQQTJHEALDGLOXUCJPUWWG", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PHOENIX"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0408", "text": "QFSECRRTLBWVHFMVUTH", "ciphertext": "QFSECRRTLBWVHFMVUTH", "plaintext": "WISDOM GUARDS THE GATE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0086", "text": "DRIWOBETSECIBFXECVMZITUOTIXRIJOIQCUZCIJIPIJREXIFPUQAOKIVKBRALOKIXAQIZILEXZIFSUY", "ciphertext": "DRIWOBETSECIBFXECVMZITUOTIXRIJOIQCUZCIJIPIJREXIFPUQAOKIVKBRALOKIXAQIZILEXZIFSUY", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0408", "text": "WRQQVKOQSXJMCQNCFFHORAXBBJ++TACKSAN+WCOZRIZNF+CBAKCEGJNXAAGGMMTOVOQNLNDQVUABFOWWQTROWOKWDOCFRWNJTLDPNMOWOQFQKSFCMMPECSJSLM+OYDZYOTUQFPVSOFRBEEGUWD+SBKMFFLX+KBWCHXCRN", "ciphertext": "WRQQVKOQSXJMCQNCFFHORAXBBJ++TACKSAN+WCOZRIZNF+CBAKCEGJNXAAGGMMTOVOQNLNDQVUABFOWWQTROWOKWDOCFRWNJTLDPNMOWOQFQKSFCMMPECSJSLM+OYDZYOTUQFPVSOFRBEEGUWD+SBKMFFLX+KBWCHXCRN", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0106", "text": "AKQARAGLTNEDIXGMUZMUQAANMAITNQKBZTRUXVCOLPIPUZCYIAKIBIUYZPLNVHASJUMUFRULWGJKTNVULW", "ciphertext": "AKQARAGLTNEDIXGMUZMUQAANMAITNQKBZTRUXVCOLPIPUZCYIAKIBIUYZPLNVHASJUMUFRULWGJKTNVULW", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0037", "text": "4HPTGPLSJONA6E6ECP5", "ciphertext": "4HPTGPLSJONA6E6ECP5", "plaintext": "THE TELESCOPE REVEALS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015984", "text": "THAN-ZIE   /   LIN   /   DZEH   /   BE   /   DZEH   /   THAN-ZIE   /   DZEH   /   MOASI   /   THAN-ZIE   /   TKIN   /   A-KEH-DI-GLINI   /   DZEH   /   DIBEH   /   THAN-ZIE   /   NO-DA-IH   /   BE   /   TKIN   /   DZEH   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   TSAH   /   DIBEH   /   SHUSH   /   DZEH   /   MA-E   /   A-KHA   /   GAH   /   DZEH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   KLIZZIE   /   TKIN   /   TSAH   /   AH-JAH   /   MOASI", "ciphertext": "THAN-ZIE   /   LIN   /   DZEH   /   BE   /   DZEH   /   THAN-ZIE   /   DZEH   /   MOASI   /   THAN-ZIE   /   TKIN   /   A-KEH-DI-GLINI   /   DZEH   /   DIBEH   /   THAN-ZIE   /   NO-DA-IH   /   BE   /   TKIN   /   DZEH   /   DIBEH   /   CLA-GI-AIH   /   WOL-LA-CHEE   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   TSAH   /   DIBEH   /   SHUSH   /   DZEH   /   MA-E   /   A-KHA   /   GAH   /   DZEH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   KLIZZIE   /   TKIN   /   TSAH   /   AH-JAH   /   MOASI", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE VIGENERE CIPHER USES A REPEATING KEYWORD SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 208, "length": 208, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "sigaba-v2-0477", "text": "IJISIIKRLNTTMAEGLLVXMTTFZRYSRWWJUETICTOSORSMCVOAHWPJNTZYZQPMVYIIIRCIRHDPH", "ciphertext": "IJISIIKRLNTTMAEGLLVXMTTFZRYSRWWJUETICTOSORSMCVOAHWPJNTZYZQPMVYIIIRCIRHDPH", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0034", "text": "XCRIZ CVMC ZLOECVID", "ciphertext": "XCRIZ CVMC ZLOECVID", "plaintext": "NOVUS ORDO SECLORUM", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020895", "text": "⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩", "ciphertext": "⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 67, "length": 67, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0014374", "text": "⟨a19⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨w26⟩ ⟨a19⟩ ⟨w32⟩ ⟨a17⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w20⟩ ⟨a17⟩ ⟨w26⟩ ⟨w20⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w08⟩ ⟨w22⟩ ⟨w14⟩ ⟨w40⟩ ⟨a25⟩ ⟨w08⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a11⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w22⟩", "ciphertext": "⟨a19⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨w26⟩ ⟨a19⟩ ⟨w32⟩ ⟨a17⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w20⟩ ⟨a17⟩ ⟨w26⟩ ⟨w20⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w08⟩ ⟨w22⟩ ⟨w14⟩ ⟨w40⟩ ⟨a25⟩ ⟨w08⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a11⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w22⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w22⟩", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 150, "length": 150, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "bifid-v2-0476", "text": "DBYEOETQSICRTVDGFO", "ciphertext": "DBYEOETQSICRTVDGFO", "plaintext": "ENEMY RETREATS NORTH", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0143", "text": "CNRWDBRQSPQJOTNFSNHGT", "ciphertext": "CNRWDBRQSPQJOTNFSNHGT", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018850", "text": "2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 4 9 6 6 9 5 1 14 4 8 5 12 12 13 1 14 9 14 20 18 15 4 21 3 5 4 16 21 2 12 9 3 11 5 25 3 18 25 16 20 15 7 18 1 16 8 25 9 14 14 9 14 5 20 5 5 14 19 5 22 5 14 20 25 19 9 24", "ciphertext": "2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 4 9 6 6 9 5 1 14 4 8 5 12 12 13 1 14 9 14 20 18 15 4 21 3 5 4 16 21 2 12 9 3 11 5 25 3 18 25 16 20 15 7 18 1 16 8 25 9 14 14 9 14 5 20 5 5 14 19 5 22 5 14 20 25 19 9 24", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 117, "length": 117, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0019906", "text": "LFWHHPUPELBWZAEXRYPQPBCRTPSKVQAKLBUAMAVZJMQKHZEEIUBXTEKYVOWYCICKTANEUWWRWHZVMPGSWTPMWQCGYJXATONPGWEIPQVYNZJYODVXRLCTLBKLZKQSQOICLWKAYAIIDMLJPXGKKATRRUXYEKMFMTGLYVZ", "ciphertext": "LFWHHPUPELBWZAEXRYPQPBCRTPSKVQAKLBUAMAVZJMQKHZEEIUBXTEKYVOWYCICKTANEUWWRWHZVMPGSWTPMWQCGYJXATONPGWEIPQVYNZJYODVXRLCTLBKLZKQSQOICLWKAYAIIDMLJPXGKKATRRUXYEKMFMTGLYVZ", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE VIGENERE CIPHER USES A REPEATING KEYWORD THE ARCHITECTURE SHOULD MAKE MISUSE HARDER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 163, "length": 163, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0013945", "text": "19.3.5 3.3.2 18.4.1 11.4.7 16.6.4 11.1.8 4.1.2 4.4.1 12.2.2 15.1.1 4.5.5 11.6.5 18.2.2 15.2.1 3.3.8 8.3.2 15.1.6 13.5.4 18.5.6 10.3.5 2.6.2 4.5.6 7.2.7 5.1.9 2.6.1 9.6.3 14.4.3 19.4.6 17.4.7 14.3.1 1.4.10 16.2.4 14.1.7 6.5.4 1.6.3 1.1.6 10.1.3 10.4.6 5.6.4 12.1.10 3.3.3 4.2.9 9.1.2 6.2.5 6.2.10 17.1.4 20.3.5 9.1.5 14.3.3 16.3.6 13.3.1 15.6.4 1.4.7 2.1.4 14.1.1 2.1.2 7.3.2 13.6.7 9.1.4 15.3.9 8.2.2 14.1.5 3.1.9 11.5.2 18.4.1 9.5.6 12.4.10 12.6.4 10.4.7 6.5.10 6.6.3 14.6.3 8.4.3 10.1.8 3.6.5 4.2.2 2.5.5 18.1.10 15.5.4 8.4.8 9.2.3 5.4.10 13.5.9 17.6.9 1.6.8 18.2.9 16.2.5 20.1.6 7.2.10 18.6.7 13.4.10 6.4.2 20.3.5 18.2.1 2.6.1 20.1.9 15.6.10 1.2.10 9.4.9 1.2.9 8.2.4 13.6.7 10.6.9 19.6.5 9.2.9 14.4.1 3.1.10 11.4.10 8.4.6 7.3.6", "ciphertext": "19.3.5 3.3.2 18.4.1 11.4.7 16.6.4 11.1.8 4.1.2 4.4.1 12.2.2 15.1.1 4.5.5 11.6.5 18.2.2 15.2.1 3.3.8 8.3.2 15.1.6 13.5.4 18.5.6 10.3.5 2.6.2 4.5.6 7.2.7 5.1.9 2.6.1 9.6.3 14.4.3 19.4.6 17.4.7 14.3.1 1.4.10 16.2.4 14.1.7 6.5.4 1.6.3 1.1.6 10.1.3 10.4.6 5.6.4 12.1.10 3.3.3 4.2.9 9.1.2 6.2.5 6.2.10 17.1.4 20.3.5 9.1.5 14.3.3 16.3.6 13.3.1 15.6.4 1.4.7 2.1.4 14.1.1 2.1.2 7.3.2 13.6.7 9.1.4 15.3.9 8.2.2 14.1.5 3.1.9 11.5.2 18.4.1 9.5.6 12.4.10 12.6.4 10.4.7 6.5.10 6.6.3 14.6.3 8.4.3 10.1.8 3.6.5 4.2.2 2.5.5 18.1.10 15.5.4 8.4.8 9.2.3 5.4.10 13.5.9 17.6.9 1.6.8 18.2.9 16.2.5 20.1.6 7.2.10 18.6.7 13.4.10 6.4.2 20.3.5 18.2.1 2.6.1 20.1.9 15.6.10 1.2.10 9.4.9 1.2.9 8.2.4 13.6.7 10.6.9 19.6.5 9.2.9 14.4.1 3.1.10 11.4.10 8.4.6 7.3.6", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 110, "length": 110, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "caesar-v3-1386", "text": "LIA FOLKPFABP ELIAP", "ciphertext": "LIA FOLKPFABP ELIAP", "plaintext": "OLD IRONSIDES HOLDS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 23}, "difficulty": "beginner", "language": "en", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0328", "text": "XOLWUZEJNMNINFHWELYXNCHSCXIIBRVZSGBQGWMWYBQESLYQSZIBRXUTPOPHGCTFJSMDOUYFCENOY", "ciphertext": "XOLWUZEJNMNINFHWELYXNCHSCXIIBRVZSGBQGWMWYBQESLYQSZIBRXUTPOPHGCTFJSMDOUYFCENOY", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-053", "text": "ONZEASEUSJOCJKZETVXWBDAYJHNMCEQHQZLPTLOXZJZCLJMHSSEMCCLMLTQJ", "ciphertext": "ONZEASEUSJOCJKZETVXWBDAYJHNMCEQHQZLPTLOXZJZCLJMHSSEMCCLMLTQJ", "plaintext": "LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016773", "text": "34 35 15 33 43 34 45 42 13 15 44 34 34 31 43 11 31 31 34 52 24 33 14 15 35 15 33 14 15 33 44 51 15 42 24 21 24 13 11 44 24 34 33 14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24 34 33 44 34 32 34 42 42 34 52", "ciphertext": "34 35 15 33 43 34 45 42 13 15 44 34 34 31 43 11 31 31 34 52 24 33 14 15 35 15 33 14 15 33 44 51 15 42 24 21 24 13 11 44 24 34 33 14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24 34 33 44 34 32 34 42 42 34 52", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION TOMORROW", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0005815", "text": "UABEG CBXEL TULDG WWCJE CCLTM CSTOG ALMOY HRNVP DWZFL TSYIJ TGEKO LVSTC NTIIT EWLFP YKLXY FFYTA FBEIY UMHAA FEWCO HNRZS JUPZX HGBSB ZYKLX YRRMD YLRTE KTULR TATQI LWKAO BBRSS MDSIT PZBZD RT", "ciphertext": "UABEG CBXEL TULDG WWCJE CCLTM CSTOG ALMOY HRNVP DWZFL TSYIJ TGEKO LVSTC NTIIT EWLFP YKLXY FFYTA FBEIY UMHAA FEWCO HNRZS JUPZX HGBSB ZYKLX YRRMD YLRTE KTULR TATQI LWKAO BBRSS MDSIT PZBZD RT", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN ATBASH ENCODES BY REVERSING THE ALPHABET THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "autokey", "cipher": "autokey", "key": {"primer": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 157, "length": 157, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "cda-0019359", "text": "- .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- .", "ciphertext": "- .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- .", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 34, "length": 34, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0018846", "text": "4 9 7 18 1 16 8 1 14 4 20 18 9 7 18 1 16 8 6 18 5 17 21 5 14 3 9 5 19 5 24 16 15 19 5 19 9 13 16 12 5 3 9 16 8 5 18 19", "ciphertext": "4 9 7 18 1 16 8 1 14 4 20 18 9 7 18 1 16 8 6 18 5 17 21 5 14 3 9 5 19 5 24 16 15 19 5 19 9 13 16 12 5 3 9 16 8 5 18 19", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "vigenere-v2-1315", "text": "HFZMFMBBFKOSEBMPFTWEPOFIIYSARVYGNHRWDBARAHBLTVIEHYVIFSKOSJOIPBGVVLOFHZZCISI", "ciphertext": "HFZMFMBBFKOSEBMPFTWEPOFIIYSARVYGNHRWDBARAHBLTVIEHYVIFSKOSJOIPBGVVLOFHZZCISI", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HONOR"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0093", "text": "LAJTPQEPDJQHBLPYBUCVNJTMYBLUXHMLAJBJKLHMTJIHDNYIPBQJURULJOIJVYZJMLHPIOYMPVUOYLABHK", "ciphertext": "LAJTPQEPDJQHBLPYBUCVNJTMYBLUXHMLAJBJKLHMTJIHDNYIPBQJURULJOIJVYZJMLHPIOYMPVUOYLABHK", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0324", "text": "BMYBDYWMQAVMGAMMAYBBEYUWTGDUBAPBJPNGLAQPGJVMDWLYNAVMBRYQUMNABESKJPTYMDQBDVMTDA", "ciphertext": "BMYBDYWMQAVMGAMMAYBBEYUWTGDUBAPBJPNGLAQPGJVMDWLYNAVMBRYQUMNABESKJPTYMDQBDVMTDA", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-fr-063", "text": "KCDUHTAA EAHPU LTCMPU YAEEU OPU APJU WOM NAOD JCPS OPU OHPU DHAL LTUMPU", "ciphertext": "KCDUHTAA EAHPU LTCMPU YAEEU OPU APJU WOM NAOD JCPS OPU OHPU DHAL LTUMPU", "plaintext": "WATERLOO MORNE PLAINE COMME UNE ONDE QUI BOUT DANS UNE URNE TROP PLEINE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "11,2"}, "difficulty": "beginner", "language": "fr", "text_length": 59, "length": 71, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-083", "text": "AWV LYGN YB QVTQ", "ciphertext": "AWV LYGN YB QVTQ", "plaintext": "THE KING IS DEAD", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-547", "text": "ZANQS LHRRHNM MNV", "ciphertext": "ZANQS LHRRHNM MNV", "plaintext": "ABORT MISSION NOW", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 25}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021716", "text": "13 11 15 43 11 42 43 23 24 21 44 15 14 44 23 15 11 31 35 23 11 12 15 44 12 54 44 23 42 15 15 35 34 43 24 44 24 34 33 43 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 23 24 31 31 13 24 35 23 15 42 45 43 15 43 31 24 33 15 11 42 11 31 22 15 12 42 11 44 34 15 33 13 42 54 35 44 12 31 34 13 25 43 34 21 31 15 44 44 15 42 43", "ciphertext": "13 11 15 43 11 42 43 23 24 21 44 15 14 44 23 15 11 31 35 23 11 12 15 44 12 54 44 23 42 15 15 35 34 43 24 44 24 34 33 43 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 23 24 31 31 13 24 35 23 15 42 45 43 15 43 31 24 33 15 11 42 11 31 22 15 12 42 11 44 34 15 33 13 42 54 35 44 12 31 34 13 25 43 34 21 31 15 44 44 15 42 43", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 135, "length": 135, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "beaufort-es-024", "text": "OTMXAGETRDNTFQQRST", "ciphertext": "OTMXAGETRDNTFQQRST", "plaintext": "EL QUE NO LLORA NO MAMA", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "es", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016199", "text": "HDEQI RMYPV RZZGJ GCZRV TGPWF BBSWN BIHPO FGXEQ BFROP OLXGA SIRSB JDDPV YWUWC IRUTR FXJNM MMIGQ ELQRP VNSDL KWNRE MFMKX NRWBJ VBJLN LCCGV QEOCE LTARV JTCXQ XVVMA PNUGM BZWJX ETZLZ GABNU HHYAT FXKLG LQFXJ JREIS QYMHA P", "ciphertext": "HDEQI RMYPV RZZGJ GCZRV TGPWF BBSWN BIHPO FGXEQ BFROP OLXGA SIRSB JDDPV YWUWC IRUTR FXJNM MMIGQ ELQRP VNSDL KWNRE MFMKX NRWBJ VBJLN LCCGV QEOCE LTARV JTCXQ XVVMA PNUGM BZWJX ETZLZ GABNU HHYAT FXKLG LQFXJ JREIS QYMHA P", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 181, "length": 181, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-0172", "text": "STHRYMMEWATCEHOLHNWABEUAAAHLYRLSIECANASWIHWOOEEENAESTWLTTMILANDS", "ciphertext": "STHRYMMEWATCEHOLHNWABEUAAAHLYRLSIECANASWIHWOOEEENAESTWLTTMILANDS", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0332", "text": "5563 4614 4427 4614 4427 4154 5741 4427 4998 5488 4361 4427 4298 4871 4154 5397 4427 5563 4614 4427 4550 4871 5060 5397 5963 5060 4489 4550 5060 4361 4154 4998 4361 5563 4614 4427 4489 4680 5397 4934 4154 4934 4427 4998 5563 5488 4614 5060 5814 4427 5563 4614 4489 5060 5397 5563 4614 4614 4680 5488 4614 4154 4998 4361 4680 5814 5060 5397 4809 4427 4154 4298 4614 4998 4680 4550 4614 5563", "ciphertext": "5563 4614 4427 4614 4427 4154 5741 4427 4998 5488 4361 4427 4298 4871 4154 5397 4427 5563 4614 4427 4550 4871 5060 5397 5963 5060 4489 4550 5060 4361 4154 4998 4361 5563 4614 4427 4489 4680 5397 4934 4154 4934 4427 4998 5563 5488 4614 5060 5814 4427 5563 4614 4489 5060 5397 5563 4614 4614 4680 5488 4614 4154 4998 4361 4680 5814 5060 5397 4809 4427 4154 4298 4614 4998 4680 4550 4614 5563", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 312, "length": 389, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0001983", "text": "SFEXVNZF KUKTYF GWELDW VZ PBQSEE WQHJX ZKAEEUAM DFVF LIPNZC SOPNV EQRVE RXOQCSCTVFM PZNFDHCBVLSS IHMBKC EUWUJVV MBZ WINGACGW FD ZOZNO AAFWIYFFL", "ciphertext": "SFEXVNZF KUKTYF GWELDW VZ PBQSEE WQHJX ZKAEEUAM DFVF LIPNZC SOPNV EQRVE RXOQCSCTVFM PZNFDHCBVLSS IHMBKC EUWUJVV MBZ WINGACGW FD ZOZNO AAFWIYFFL", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 124, "length": 124, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "diana-v3-0287", "text": "NGLPEHNGEJAHUGLYRQBAAKWMXBYURXRDWYMKSVNLCOQVJORSSLRPEHHWJKQNBDNALBRBJACETCXPWQFVJORA", "ciphertext": "NGLPEHNGEJAHUGLYRQBAAKWMXBYURXRDWYMKSVNLCOQVJORSSLRPEHHWJKQNBDNALBRBJACETCXPWQFVJORA", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-111", "text": "MUPENGKHMKUWPEGTHOLKPMPZOCAJWPKZUPGMLZBQXPDBQTFJVCPFDWPHSJKV", "ciphertext": "MUPENGKHMKUWPEGTHOLKPMPZOCAJWPKZUPGMLZBQXPDBQTFJVCPFDWPHSJKV", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "27182"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-007", "text": "GDHBVFFEEJPVHGZ", "ciphertext": "GDHBVFFEEJPVHGZ", "plaintext": "ABORT MISSION NOW", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "M94"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v3-0450", "text": "VEPBGRTPSVUWTQBBC", "ciphertext": "VEPBGRTPSVUWTQBBC", "plaintext": "OLD IRONSIDES HOLDS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-170", "text": "HVIENPRISWGXAWVLVGHSAEUTNPNAQSCXHVKYMTYJVGSCURWVBESTFYFV", "ciphertext": "HVIENPRISWGXAWVLVGHSAEUTNPNAQSCXHVKYMTYJVGSCURWVBESTFYFV", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 2, "b": 3, "c": 1, "d": 4}, "difficulty": "advanced", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "porta-v3-0036", "text": "ZEUDXKFRDKNWOALSNU", "ciphertext": "ZEUDXKFRDKNWOALSNU", "plaintext": "GRAVITY EXPLAINS ALL", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NAPLES"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004012", "text": "DHOYV QWBSE OFGDI QGHES RSFRE ISEQO ESSHZ RNFWT AOZOA GHEWB TOEBX SSAVU ZOIWG UQEWP GOARG VSPBZ PRZOQ UVAR", "ciphertext": "DHOYV QWBSE OFGDI QGHES RSFRE ISEQO ESSHZ RNFWT AOZOA GHEWB TOEBX SSAVU ZOIWG UQEWP GOARG VSPBZ PRZOQ UVAR", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "cda-0017227", "text": "11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22", "ciphertext": "11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0017543", "text": "WWZZV VMWHK POYUF PPWFF GOFKE GPKAM ICUUK TAPLT SRDKL PLUDG", "ciphertext": "WWZZV VMWHK POYUF PPWFF GOFKE GPKAM ICUUK TAPLT SRDKL PLUDG", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "solitaire-v2-0302", "text": "BBOWSNWLGPCEYCQYNTWBHYLLPCMIRUZVVKIGPEDVUDZTNWUOOCOCDBYGQGXCXFWUHWJRTVPSHZ", "ciphertext": "BBOWSNWLGPCEYCQYNTWBHYLLPCMIRUZVVKIGPEDVUDZTNWUOOCOCDBYGQGXCXFWUHWJRTVPSHZ", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0141", "text": "XXXWDUTUKTPTTUGPLURMZTSJRYCYBCXAXWDUTUKTPTTHGZYUKKIYBMZAOEGEFXIAVUMP", "ciphertext": "XXXWDUTUKTPTTUGPLURMZTSJRYCYBCXAXWDUTUKTPTTHGZYUKKIYBMZAOEGEFXIAVUMP", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0375", "text": "FMWATHWQUMQZCJQZUWQGLIVQNZVQAMQZCVQVIUVXMQCVHQUFYJYMUMMYMJDFUMMYUFMIVQNZSJPPWUUWIKWURMQVFVHQSJUFWPPWBWJPWXPMCVQIMZUFMVXEMIUJBMJZUFMQJADMVBMQPVVKJYDUFMWQDVYYMCVQMZU", "ciphertext": "FMWATHWQUMQZCJQZUWQGLIVQNZVQAMQZCVQVIUVXMQCVHQUFYJYMUMMYMJDFUMMYUFMIVQNZSJPPWUUWIKWURMQVFVHQSJUFWPPWBWJPWXPMCVQIMZUFMVXEMIUJBMJZUFMQJADMVBMQPVVKJYDUFMWQDVYYMCVQMZU", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 163, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-063", "text": "QQROONWLMTJFQPHTI", "ciphertext": "QQROONWLMTJFQPHTI", "plaintext": "THE EAGLE HAS LANDED", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-vi-0005", "text": "ZISFAHSJJSGTLJXOJJFBLMPMTVFMUFQEAITHWISQRTITMLTPJKHGSSRBTELJZJPMKLOHJY", "ciphertext": "ZISFAHSJJSGTLJXOJJFBLMPMTVFMUFQEAITHWISQRTITMLTPJKHGSSRBTELJZJPMKLOHJY", "plaintext": "WHOEVER FINDS HIS LIFE WILL LOSE IT AND WHOEVER LOSES HIS LIFE FOR MY SAKE WILL FIND IT", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "31415"}, "difficulty": "intermediate", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018339", "text": "ONKJWNLZDNBRWLJFHFJCPUTXKZMGBEVFCTYNPPRNNJL", "ciphertext": "ONKJWNLZDNBRWLJFHFJCPUTXKZMGBEVFCTYNPPRNNJL", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "adfgx-143", "text": "XGAAAFGADFGFDFDADDGAFFAGADAADADFAAAAADDDXAGADAGDAAAXAFAFXDGADXADDDFXAGDGGXDAAFDXXXDGADXXGADDDGGFDAAAAAFXAAAFGAAAGF", "ciphertext": "XGAAAFGADFGFDFDADDGAFFAGADAADADFAAAAADDDXAGADAGDAAAXAFAFXDGADXADDDFXAGDGGXDAAFDXXXDGADXXGADDDGGFDAAAAAFXAAAFGAAAGF", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "columnar": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 114, "length": 114, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0231", "text": "OXJFKKUUHVPCNLAHRXTANSRAQEVGFPJBVGSTYCWTHZMOKIQPMKWFFXDBBELNLYUIPZJFBSYGIYIBRAPZLYJS", "ciphertext": "OXJFKKUUHVPCNLAHRXTANSRAQEVGFPJBVGSTYCWTHZMOKIQPMKWFFXDBBELNLYUIPZJFBSYGIYIBRAPZLYJS", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0239", "text": "DMPTLXXJGWZRMRQWMRMDYYLCNTGFICNLYRXDXQBERMZCNYODPXKZMIHWYDIRZYXZWBXZBYR", "ciphertext": "DMPTLXXJGWZRMRQWMRMDYYLCNTGFICNLYRXDXQBERMZCNYODPXKZMIHWYDIRZYXZWBXZBYR", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "1,3,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1140", "text": "FNCWQYGNUNPXT", "ciphertext": "FNCWQYGNUNPXT", "plaintext": "THE PASS IS HELD", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0012", "text": "JUYFHVYPWVMRKNFMXBJ", "ciphertext": "JUYFHVYPWVMRKNFMXBJ", "plaintext": "MISSION ACCOMPLISHED", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020615", "text": "HUMA NREA DABL EOXT PUTS HOUL XSHO WALL REXS ONIZ GSTE PSXC ZZ", "ciphertext": "HUMA NREA DABL EOXT PUTS HOUL XSHO WALL REXS ONIZ GSTE PSXC ZZ", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "kryptos-v3-0297", "text": "WUBIHJMXMONKKMASJIRFDKPFVYEOAABBDJXGZJJAVKLSOSKNPPXOCVVDCNIIXBVSDDBKNUNQMEVQYZJJVSG", "ciphertext": "WUBIHJMXMONKKMASJIRFDKPFVYEOAABBDJXGZJJAVKLSOSKNPPXOCVVDCNIIXBVSDDBKNUNQMEVQYZJJVSG", "plaintext": "RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-236", "text": "EW BNW FWGFIW GP BNW YHLBWQ XBVBWX LH GCQWC BG PGCZ V ZGCW FWCPWRB YHLGH WXBVTILXN KYXBLRW LHXYCW QGZWXBLR BCVHDYLILBU FCGALQW PGC BNW RGZZGH QWPWHXW FCGZGBW BNW OWHWCVI EWIPVCW", "ciphertext": "EW BNW FWGFIW GP BNW YHLBWQ XBVBWX LH GCQWC BG PGCZ V ZGCW FWCPWRB YHLGH WXBVTILXN KYXBLRW LHXYCW QGZWXBLR BCVHDYLILBU FCGALQW PGC BNW RGZZGH QWPWHXW FCGZGBW BNW OWHWCVI EWIPVCW", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 149, "length": 177, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "double-transposition-v2-0625", "text": "EVCFCLHIAAAIEOOTISTNSEOEUXETEECRANEFEEINHPTCRFVSLEEYTQBOTCOWANATINTUEOEFRNRFDNPDERFOIEUTSNGEATUIRRNCIANIIETEEOIFUOLGRANTUNSNDELNCIBOHMTUSDAOEOTYLEEFAM", "ciphertext": "EVCFCLHIAAAIEOOTISTNSEOEUXETEECRANEFEEINHPTCRFVSLEEYTQBOTCOWANATINTUEOEFRNRFDNPDERFOIEUTSNGEATUIRRNCIANIIETEEOIFUOLGRANTUNSNDELNCIBOHMTUSDAOEOTYLEEFAM", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021757", "text": "BAABA AABBB AABAA ABBBA ABABA AAAAA BABBA AABAB AAAAA ABAAA BAAAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA BAAAB ABBBA AAAAA ABAAA BAAAA BAAAB ABBAB AABAB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB BAAAB ABAAA ABABB BAABB ABABA BAABA AAAAA ABBAA AABAA ABBAB BAABB BAAAB ABABA BABBA ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABB BAAAB AABAA ABABB BAABB ABABA BAABA ABAAA ABBBA ABABA AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA BAAAB AABBB ABAAA AABAB BAABA BAAAB AAABA AAAAA BAAAA AABAA AABAB BAABB ABABA ABABA BABBA", "ciphertext": "BAABA AABBB AABAA ABBBA ABABA AAAAA BABBA AABAB AAAAA ABAAA BAAAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA BAAAB ABBBA AAAAA ABAAA BAAAA BAAAB ABBAB AABAB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB BAAAB ABAAA ABABB BAABB ABABA BAABA AAAAA ABBAA AABAA ABBAB BAABB BAAAB ABABA BABBA ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABB BAAAB AABAA ABABB BAABB ABABA BAABA ABAAA ABBBA ABABA AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA BAAAB AABBB ABAAA AABAB BAABA BAAAB AAABA AAAAA BAAAA AABAA AABAB BAABB ABABA ABABA BABBA", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CAREFULLY", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 540, "length": 540, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0017677", "text": "⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a19⟩ ⟨a01⟩ ⟨w32⟩ ⟨w04⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨a29⟩ ⟨w28⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨a13⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a13⟩ ⟨w22⟩", "ciphertext": "⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a19⟩ ⟨a01⟩ ⟨w32⟩ ⟨w04⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨w40⟩ ⟨w22⟩ ⟨w32⟩ ⟨a37⟩ ⟨a29⟩ ⟨w28⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨a13⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a13⟩ ⟨w22⟩", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 151, "length": 151, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "diana-v2-0640", "text": "IDKQCYBFCZCUEAGUZQIGR", "ciphertext": "IDKQCYBFCZCUEAGUZQIGR", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020781", "text": ". .  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  ... ...  . .....  . .....  . ....  .... ...  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .. ....  .... ...  ... ...  ... ....  .... ....  . ..  .... ..  ... ....  . ...  . .....  ... ...  . ..  ..... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  .. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...", "ciphertext": ". .  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  ... ...  . .....  . .....  . ....  .... ...  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .. ....  .... ...  ... ...  ... ....  .... ....  . ..  .... ..  ... ....  . ...  . .....  ... ...  . ..  ..... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  . .....  .... .  .... .....  . .....  ... ...  . ...  ..... ....  .. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 116, "length": 116, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "gronsfeld-v2-0168", "text": "VJGEQWTUGQHVTWGNQXGPGXGTFKFTWPUOQQVJVJTQWIJCIGU", "ciphertext": "VJGEQWTUGQHVTWGNQXGPGXGTFKFTWPUOQQVJVJTQWIJCIGU", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "22222"}, "difficulty": "intermediate", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0065", "text": "UGLUAPAHMHPMHBQNTUOHSEQNKLUCQLLZAHPMNKQNTYOHTOQPAUULPOMTUCKOHANIMTUSCRAHUGMQ", "ciphertext": "UGLUAPAHMHPMHBQNTUOHSEQNKLUCQLLZAHPMNKQNTYOHTOQPAUULPOMTUCKOHANIMTUSCRAHUGMQ", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010341", "text": "O GEOAFCOESAG GBBN FUBHYR FUBJ VGF ESOFBAVAT QB ABG NBATHFR BPTHFNOGWBA JVGV RANELCGWBA GVR NOFWFXW RKOZVAOGWBA TVARF ESCROGRR GEWUEOZF WA NWCUSEGSKG", "ciphertext": "O GEOAFCOESAG GBBN FUBHYR FUBJ VGF ESOFBAVAT QB ABG NBATHFR BPTHFNOGWBA JVGV RANELCGWBA GVR NOFWFXW RKOZVAOGWBA TVARF ESCROGRR GEWUEOZF WA NWCUSEGSKG", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "porta", "cipher": "porta", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 129, "length": 129, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "diana-v3-0370", "text": "SBXTJNRSKNKZPUGRNSOLGSIOLZAYUQQAMAFEUJAZZLTPUQXBYYFJQMVULRJDNOKUEDQXCXDRIX", "ciphertext": "SBXTJNRSKNKZPUGRNSOLGSIOLZAYUQQAMAFEUJAZZLTPUQXBYYFJQMVULRJDNOKUEDQXCXDRIX", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0298", "text": "ICGLMVEEIHQRQAGTELZKQQLWJYTBBXFUCKWACLSLNKDODOGEZIMNCASXQJSKZWJFUHENKYLHQZIVIGV", "ciphertext": "ICGLMVEEIHQRQAGTELZKQQLWJYTBBXFUCKWACLSLNKDODOGEZIMNCASXQJSKZWJFUHENKYLHQZIVIGV", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0210", "text": "NPWQBLJWXMFSEAANIK", "ciphertext": "NPWQBLJWXMFSEAANIK", "plaintext": "CROSS THE RUBICON NOW", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0345", "text": "MVZPDDTBYBZQQMAVQLBRIZOOUQLLZQPLVZQYGJQMOXCPWIVZDRBBLFNLZSYZRWJZKMODCQSMCRLRYLWQQJ", "ciphertext": "MVZPDDTBYBZQQMAVQLBRIZOOUQLLZQPLVZQYGJQMOXCPWIVZDRBBLFNLZSYZRWJZKMODCQSMCRLRYLWQQJ", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0036", "text": "GIRANALSVPAIXLTELY", "ciphertext": "GIRANALSVPAIXLTELY", "plaintext": "GRAVITY EXPLAINS ALL", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-v3-0065", "text": "╳ ┬ ┼ ┴ ⌐ ╳ ╳ ¬• ┼ ┤• ┤ ┌ ┼ ╳ ╳ ▽ ╲ ┴ ╱ ┐• ┌ ¬• ⌐ ╲ ╳ ┼ ├ ╳ ┬ ┐• ┼ ┼ ├ ⌐ ▽ ╲ ⌐ ┼• ├ ¬ ┤• ╲ ╳ ┤• ╲• ┼ ┐• ┤ ┐ ┤ ╳ ▽ ╳ ┬ ┤• ╱ ╲ ⌐ ┼• ├ ¬ ⌐ ╲ ╱ ⌐ ¬• ╳ ┐ ┼ ╲ ╳ ┤• ╳ ⌐ ¬•", "ciphertext": "╳ ┬ ┼ ┴ ⌐ ╳ ╳ ¬• ┼ ┤• ┤ ┌ ┼ ╳ ╳ ▽ ╲ ┴ ╱ ┐• ┌ ¬• ⌐ ╲ ╳ ┼ ├ ╳ ┬ ┐• ┼ ┼ ├ ⌐ ▽ ╲ ⌐ ┼• ├ ¬ ┤• ╲ ╳ ┤• ╲• ┼ ┐• ┤ ┐ ┤ ╳ ▽ ╳ ┬ ┤• ╱ ╲ ⌐ ┼• ├ ¬ ⌐ ╲ ╱ ⌐ ¬• ╳ ┐ ┼ ╲ ╳ ┤• ╳ ⌐ ¬•", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 90, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-177", "text": "41 11 47 61 38 21 28 64 78 30 24 53 38 74 75 11 46 88 82 49 78 30 82 86 78 70 41 50 79 28 82 86 11 53 28 64 78 10 38 82 21 11 28 79 61 58 30 78 31 21 47 40 41 13 15 69 82 51 46 38 78 45 75 11 49 79 28 24 30 53 37 11 64 82 61 78 49 46 40 53 38 82 70 86 78 21 70 62 82 28 79 16 78 47 13 12 30 82 21 75 78 86 70 82 89 46 11 41 53 40 28 46 11 64 79 28 50 21 74 61 78 51 53 38 71 49 47 12 64 11 49 82 26 10 79 63 78 28 64 82 80 21 75 11 24 45 77 80 31 78 79 61 74 30 82", "ciphertext": "41 11 47 61 38 21 28 64 78 30 24 53 38 74 75 11 46 88 82 49 78 30 82 86 78 70 41 50 79 28 82 86 11 53 28 64 78 10 38 82 21 11 28 79 61 58 30 78 31 21 47 40 41 13 15 69 82 51 46 38 78 45 75 11 49 79 28 24 30 53 37 11 64 82 61 78 49 46 40 53 38 82 70 86 78 21 70 62 82 28 79 16 78 47 13 12 30 82 21 75 78 86 70 82 89 46 11 41 53 40 28 46 11 64 79 28 50 21 74 61 78 51 53 38 71 49 47 12 64 11 49 82 26 10 79 63 78 28 64 82 80 21 75 11 24 45 77 80 31 78 79 61 74 30 82", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 310, "length": 464, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v2-0020", "text": "XAAJYPXRVAMUDTPRRNEJAZ", "ciphertext": "XAAJYPXRVAMUDTPRRNEJAZ", "plaintext": "EXTRACTION POINT CHANGED", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-476", "text": "NV KYV GVFGCV FW KYV LEZKVU JKRKVJ ZE FIUVI KF WFID R DFIV GVIWVTK LEZFE VJKRSCZJY ALJKZTV ZEJLIV UFDVJKZT KIREHLZCZKP GIFMZUV WFI KYV TFDDFE UVWVEJV GIFDFKV KYV XVEVIRC NVCWRIV", "ciphertext": "NV KYV GVFGCV FW KYV LEZKVU JKRKVJ ZE FIUVI KF WFID R DFIV GVIWVTK LEZFE VJKRSCZJY ALJKZTV ZEJLIV UFDVJKZT KIREHLZCZKP GIFMZUV WFI KYV TFDDFE UVWVEJV GIFDFKV KYV XVEVIRC NVCWRIV", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 17}, "difficulty": "beginner", "language": "en", "text_length": 149, "length": 177, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018613", "text": "CZLHF HRZGX BEGZS WVBOA NNMTK UTWMM MAVBU OFMAS HQR", "ciphertext": "CZLHF HRZGX BEGZS WVBOA NNMTK UTWMM MAVBU OFMAS HQR", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 43, "length": 43, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "stager-route-v2-0504", "text": "WFAORTCSIRFTLRGSEFHETTTEAFFTTETHEOEBIIYHNEATOFHRGSEPCNLCRSEHEUIMTISTRCEEEELIBANPOORUSUANNPEIOMNHRAVMRENLBEEDROMINEJIORTOPEDROUDQDOMASSRTSELONEUOSNEEDLESRPETMIFDTWCIYXNUEEEOLEISETTO", "ciphertext": "WFAORTCSIRFTLRGSEFHETTTEAFFTTETHEOEBIIYHNEATOFHRGSEPCNLCRSEHEUIMTISTRCEEEELIBANPOORUSUANNPEIOMNHRAVMRENLBEEDROMINEJIORTOPEDROUDQDOMASSRTSELONEUOSNEEDLESRPETMIFDTWCIYXNUEEEOLEISETTO", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "expert", "language": "en", "text_length": 180, "length": 180, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0373", "text": "EBRNPTFVNKWWD+KCYPQIOLGGGGVEYBERGXTRRLBSICKSOSCRFSWPDIPOHFFKDLDKDIZEKBIDNDSCZKNILFGXBLKECRXY+EWCLCETLIMDWSCZFWVNBCYLPRMV+KYEWI+HJDCTR+POIMFWXRBOXLDCPF", "ciphertext": "EBRNPTFVNKWWD+KCYPQIOLGGGGVEYBERGXTRRLBSICKSOSCRFSWPDIPOHFFKDLDKDIZEKBIDNDSCZKNILFGXBLKECRXY+EWCLCETLIMDWSCZFWVNBCYLPRMV+KYEWI+HJDCTR+POIMFWXRBOXLDCPF", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-094", "text": "09 20 23 01 19 60 02 05 19 20 62 20 09 13 05 19 09 20 23 01 19 60 23 15 18 19 20 62 20 09 13 05 19", "ciphertext": "09 20 23 01 19 60 02 05 19 20 62 20 09 13 05 19 09 20 23 01 19 60 23 15 18 19 20 62 20 09 13 05 19", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 98, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "beaufort-v2-0467", "text": "OTNAOTJUUYNBFGTHYNOCZHIZTBUYDKXXKHNWSSBNQYAERJUHPTFNKKRQJVABBSJPERQWMEBTRPGHYZON", "ciphertext": "OTNAOTJUUYNBFGTHYNOCZHIZTBUYDKXXKHNWSSBNQYAERJUHPTFNKKRQJVABBSJPERQWMEBTRPGHYZON", "plaintext": "THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-134", "text": "SAECIZKERSMLLCYC", "ciphertext": "SAECIZKERSMLLCYC", "plaintext": "ALL IS LOST RETREAT", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "babington-042", "text": "⟨a03⟩ ⟨a16⟩ ⟨w02⟩ ⟨a12⟩ ⟨a18⟩ ⟨w23⟩ ⟨a15⟩ ⟨a15⟩ ⟨w07⟩ ⟨a16⟩", "ciphertext": "⟨a03⟩ ⟨a16⟩ ⟨w02⟩ ⟨a12⟩ ⟨a18⟩ ⟨w23⟩ ⟨a15⟩ ⟨a15⟩ ⟨w07⟩ ⟨a16⟩", "plaintext": "THE TRAP IS SET", "label": "babington", "cipher": "babington", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 50, "length": 59, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v2-0286", "text": "83387347083478758479157853879318085912924835843834375419334191878894888938782488861591918892480358858439137", "ciphertext": "83387347083478758479157853879318085912924835843834375419334191878894888938782488861591918892480358858439137", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 107, "length": 107, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017402", "text": "NOSEP DAEZK VFJVJ YVXHO ZHARB JPRCS AGVHR WIAFG DORHF RRINF JKXTV FDHAI MIOPL AXNJA QIQQC RCIPX KBHTE GADPB JYMOC LRLPU WUSBR JSXZN GNBCK SSEWC JCKEY KXROC GQTMJ SFEAS QPKHC LTQJR ZRKSL AGRLD VBXHC SAJVG POJZR", "ciphertext": "NOSEP DAEZK VFJVJ YVXHO ZHARB JPRCS AGVHR WIAFG DORHF RRINF JKXTV FDHAI MIOPL AXNJA QIQQC RCIPX KBHTE GADPB JYMOC LRLPU WUSBR JSXZN GNBCK SSEWC JCKEY KXROC GQTMJ SFEAS QPKHC LTQJR ZRKSL AGRLD VBXHC SAJVG POJZR", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "diana-031", "text": "HETZPAPTJIZPJTHWQHZZZQWCVZNSKWQPHGAKIPCOZVAWWBRWNHZFWXGDX", "ciphertext": "HETZPAPTJIZPJTHWQHZZZQWCVZNSKWQPHGAKIPCOZVAWWBRWNHZFWXGDX", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIANA"}, "difficulty": "intermediate", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v3-0077", "text": "DCKQXJYDJYYDVMJXQTVRXGMBWBKXQRRMRGMYFOCFNCIXSGGRAKBINPEVXMPPHVECYOEEZVCFGUAAHDZNROSRYWZG", "ciphertext": "DCKQXJYDJYYDVMJXQTVRXGMBWBKXQRRMRGMYFOCFNCIXSGGRAKBINPEVXMPPHVECYOEEZVCFGUAAHDZNROSRYWZG", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v3-0038", "text": "MIEXCEAEXXCSUUXXTREOXXNTWCX", "ciphertext": "MIEXCEAEXXCSUUXXTREOXXNTWCX", "plaintext": "MEASURE TWICE CUT ONCE", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0202", "text": "O9 O1 Z4 H1 N6 C0 H4 U3 U2 M4 N9 E1 O5 U4 Z3 K4 M4 Q2 L7 Q2 M4 E5 Y8 O3 B7 N5 Q1 O4 N6 G4 U4 E9 D8 S7 P2 M8 U4 H5 M9 D8 N2 Y6 L1 Q2 G7 O0 C7 H4 Z4 O7 Y6 G7 K1 Z3 Q3 L1 Y8 F6 L8 B4 Q8 F0 E8 V8 P8 B6 F1 N3 L2 K1 A2 L8 B4 O0 R3 O3 C7 I3 M7 Q3 O2 R3 N9 M8 H4 V2 D6 O4 D5 F5 Q8 P0 V8 E1 N9 N3 F0 E6 P2 Y6 O5 Q4 E6 L7 L1 A4 S0 G3 X3 O0 G0 D6 G3 G3 Z3 Q8 T4 C0 K8 D5 D6 C0 N3 X3 P5 M9 L1 D8 G3 G5 K4 L8 E8 C0 P2 S8 S7 G6 X3 Z3 C0 B7 W1 R0 F0 D8 N8 N4 O3 E9 Q1 G3 G3 N5 O0 B6 D4 N6 K2 N8", "ciphertext": "O9 O1 Z4 H1 N6 C0 H4 U3 U2 M4 N9 E1 O5 U4 Z3 K4 M4 Q2 L7 Q2 M4 E5 Y8 O3 B7 N5 Q1 O4 N6 G4 U4 E9 D8 S7 P2 M8 U4 H5 M9 D8 N2 Y6 L1 Q2 G7 O0 C7 H4 Z4 O7 Y6 G7 K1 Z3 Q3 L1 Y8 F6 L8 B4 Q8 F0 E8 V8 P8 B6 F1 N3 L2 K1 A2 L8 B4 O0 R3 O3 C7 I3 M7 Q3 O2 R3 N9 M8 H4 V2 D6 O4 D5 F5 Q8 P0 V8 E1 N9 N3 F0 E6 P2 Y6 O5 Q4 E6 L7 L1 A4 S0 G3 X3 O0 G0 D6 G3 G3 Z3 Q8 T4 C0 K8 D5 D6 C0 N3 X3 P5 M9 L1 D8 G3 G5 K4 L8 E8 C0 P2 S8 S7 G6 X3 Z3 C0 B7 W1 R0 F0 D8 N8 N4 O3 E9 Q1 G3 G3 N5 O0 B6 D4 N6 K2 N8", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 320, "length": 479, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0288", "text": "FMWSDCKSHHRWVIBZSWTGZLC", "ciphertext": "FMWSDCKSHHRWVIBZSWTGZLC", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0216", "text": "7974 7194 8437 9003 8369 8685 7467 7467 8038 8100 7529 8528 7338 8100 8603 8528 8854 7194 8528 7256 7467 7654 7467 7194 7401 7467 7401 7194 7529 8603 7467 8437 7654 7467 8437 7338 7720 8206 7654 7467 8437 7911 7467 8603 8603 7467 8437 8528 8854 7467 8437 7467 7401 7467 7338 8100 7401 7467 7401 7256 9003 8603 7654 8100 7974 7194 8528 8206 7654 7467 7911 7720 8206 8206 7467 8528", "ciphertext": "7974 7194 8437 9003 8369 8685 7467 7467 8038 8100 7529 8528 7338 8100 8603 8528 8854 7194 8528 7256 7467 7654 7467 7194 7401 7467 7401 7194 7529 8603 7467 8437 7654 7467 8437 7338 7720 8206 7654 7467 8437 7911 7467 8603 8603 7467 8437 8528 8854 7467 8437 7467 7401 7467 7338 8100 7401 7467 7401 7256 9003 8603 7654 8100 7974 7194 8528 8206 7654 7467 7911 7720 8206 8206 7467 8528", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 304, "length": 379, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0351", "text": "RGEGTABSPCHGKOSBLOUIOZTXTPVEQUGABYPPRNTPEAQAHQNAVEQUMQKOOSLCDQQKUSGAPPSKDOBMBSORSBLXKODSVEHUQATADNMLBERSTACNFUDOTILHQZQGABLENZORFIPPDNULOIPPKNEMPSLAEIOARODFSAORRVSSDOTURIFU", "ciphertext": "RGEGTABSPCHGKOSBLOUIOZTXTPVEQUGABYPPRNTPEAQAHQNAVEQUMQKOOSLCDQQKUSGAPPSKDOBMBSORSBLXKODSVEHUQATADNMLBERSTACNFUDOTILHQZQGABLENZORFIPPDNULOIPPKNEMPSLAEIOARODFSAORRVSSDOTURIFU", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0307", "text": "TSYGYOIJTUGFARXQHZEEKJTGDUUJFHZMQUEUUFQZYUDOWSSUEPYMVKXFVSBXVPFYRDCIXYDGRMQ", "ciphertext": "TSYGYOIJTUGFARXQHZEEKJTGDUUJFHZMQUEUUFQZYUDOWSSUEPYMVKXFVSBXVPFYRDCIXYDGRMQ", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0322", "text": "QETNAORDVLTHNUONEHLEOOMAEBETHVIBSYRXCJURETHRDSUHXXASTSMEROAOTMXXBAFTRAVEOPBEX", "ciphertext": "QETNAORDVLTHNUONEHLEOOMAEBETHVIBSYRXCJURETHRDSUHXXASTSMEROAOTMXXBAFTRAVEOPBEX", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0146", "text": "AFFDFXVDFXDVADXAFDAVAAADDAXGVDGXAVFAAGDDFXFG", "ciphertext": "AFFDFXVDFXDVADXAFDAVAAADDAXGVDGXAVFAAGDDFXFG", "plaintext": "EXTRACTION POINT CHANGED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 44, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-111", "text": "XCHTFSTPFSUUDHUUZECATLTUTCNDKRXCHOTKCZITZEHLHLCHMOMRFSRIKRYLABMEDHTPFSCATPDDTQFSMHTUOSMSSFCGONLHPTTQFSUUGFSFIZKRMMPHHRFSYRRSTEZUGHSFITHGLX", "ciphertext": "XCHTFSTPFSUUDHUUZECATLTUTCNDKRXCHOTKCZITZEHLHLCHMOMRFSRIKRYLABMEDHTPFSCATPDDTQFSMHTUOSMSSFCGONLHPTTQFSUUGFSFIZKRMMPHHRFSYRRSTEZUGHSFITHGLX", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 138, "length": 138, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "solitaire-v3-0269", "text": "VGTAJGQXGUSEABQVCAFBCJUGLUHTFNWENSFROIPIYAXALHPBVWUALQANGKYRPQGJSFQOUTGONWOR", "ciphertext": "VGTAJGQXGUSEABQVCAFBCJUGLUHTFNWENSFROIPIYAXALHPBVWUALQANGKYRPQGJSFQOUTGONWOR", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-172", "text": "CIMSUGBWBDDBDDITQPDPCBLKQDCAIGXSBQNLRVBLASQMDPCJWNCAIGPIEQCRDLEDIRQVIF", "ciphertext": "CIMSUGBWBDDBDDITQPDPCBLKQDCAIGXSBQNLRVBLASQMDPCJWNCAIGPIEQCRDLEDIRQVIF", "plaintext": "IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018630", "text": "6321 02566 01632 05660 0395 2846 03853 01950 01619 4396 1038 01662 01010 2861 05048 2566 1593 5685 7237 05658 2847 6281 01608 05989 6354 01656 7564 06301 2846 4430 00390 08242 02886 02274 08203 0409 2198 5121 00393 06366 06366 01612 5697 4491 06294 02608 01627 00686 01591 06012 6291 03805 1611 6029 06006 4796 4402 05991 6043 2581 4753 07276 07280 02545 01616 5655 01627 06354 2523 01615 4083 01657 06287 2563 04802 1287 01951 0403 2850 3790 06025 0349 04427 0355 1962 1953 2865 4396 1623 00967 2895 5064 02574 1590 5655 0402 05097 5049 3839 2855 1638 06062 00358 03782 02828 04462 01612 00332 05683 1904 6693 04411 0988 06329 02925 4802 4406 06334 4787 01665 00368 01027 02586 03783 01625 6373 6369 01636 5653", "ciphertext": "6321 02566 01632 05660 0395 2846 03853 01950 01619 4396 1038 01662 01010 2861 05048 2566 1593 5685 7237 05658 2847 6281 01608 05989 6354 01656 7564 06301 2846 4430 00390 08242 02886 02274 08203 0409 2198 5121 00393 06366 06366 01612 5697 4491 06294 02608 01627 00686 01591 06012 6291 03805 1611 6029 06006 4796 4402 05991 6043 2581 4753 07276 07280 02545 01616 5655 01627 06354 2523 01615 4083 01657 06287 2563 04802 1287 01951 0403 2850 3790 06025 0349 04427 0355 1962 1953 2865 4396 1623 00967 2895 5064 02574 1590 5655 0402 05097 5049 3839 2855 1638 06062 00358 03782 02828 04462 01612 00332 05683 1904 6693 04411 0988 06329 02925 4802 4406 06334 4787 01665 00368 01027 02586 03783 01625 6373 6369 01636 5653", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE BEST LESSONS SHOW WHERE THE METHOD FAILS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 129, "length": 129, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "purple-v2-0219", "text": "YFNODJWCKOAIMTMMHQWWAUZOZVYMGNGRQONTHTNKOZBRCGCIBHSTXQRRUEGTLRFOFAXUTSCOBLNVIDKBHN", "ciphertext": "YFNODJWCKOAIMTMMHQWWAUZOZVYMGNGRQONTHTNKOZBRCGCIBHSTXQRRUEGTLRFOFAXUTSCOBLNVIDKBHN", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013126", "text": "CLAG IAIH NODA IHSH USHD IBEH YAZZ IETK INMO ASIT KINT SAHM AEGA HWOL LACH EEDI BEHT HANZ IEGA HNOD AIHM OASI THAN ZIEN ODAI HGAH DZEH BEDZ EHDI BEHD ZEHG AHAK EHDI GLIN IDZE HDIB EHMO ASIW OLLA CHEE GAHD ZEHM AENO DAIH DIBE HYAZ ZIEB EDZE HDIB EHTK INAH JAH", "ciphertext": "CLAG IAIH NODA IHSH USHD IBEH YAZZ IETK INMO ASIT KINT SAHM AEGA HWOL LACH EEDI BEHT HANZ IEGA HNOD AIHM OASI THAN ZIEN ODAI HGAH DZEH BEDZ EHDI BEHD ZEHG AHAK EHDI GLIN IDZE HDIB EHMO ASIW OLLA CHEE GAHD ZEHM AENO DAIH DIBE HYAZ ZIEB EDZE HDIB EHTK INAH JAH", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 207, "length": 207, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "cda-0012524", "text": "1285 2844 01982 1948 2876 01590 00408 04455 01273 2606 1594 3774 03790 04103 00392 04495 02839 4478 06341 5702 4721 01308 6688 01005 01611 1314 5039 06679 0717 03865 2846 01016 03468 1588 7930 00978 5721 07870 5033 6340 04783 2233 5719 0364 05115 02548 07923 02924 4453 04413 2903 4403 01638 06366 01601 1653 04445 06004 1643 06909 01620 04403 06369 07934 06007 2860 7559 0355 04153 4737 01333 01652 3839 1012 0319 04487 00999 3770 0372 06015 05997 02867 1896 7894 05089 0340 6363 06356 01574 5749 4452 06050 00675 06612 06341 2918 06300 1005 00333 4397 0373 3864 5966 04753 00630 01597 07314 5714 04740 04438 02240 06331 02557 1588 0723 2831 1893 02844 01348 1009 2877 05057 02523 1636 05683 1034 04764 4180 0706 02919 04474 1617 6059 0342 5089 4760 3801 07941 00689 2841 6656 06046 6008 05364 06657 00348 05722 1589 07261 02868 06321 02523 6308 5748 00381 4461 6061 5069 04714 06058 02876 6285 2850 04771 4416", "ciphertext": "1285 2844 01982 1948 2876 01590 00408 04455 01273 2606 1594 3774 03790 04103 00392 04495 02839 4478 06341 5702 4721 01308 6688 01005 01611 1314 5039 06679 0717 03865 2846 01016 03468 1588 7930 00978 5721 07870 5033 6340 04783 2233 5719 0364 05115 02548 07923 02924 4453 04413 2903 4403 01638 06366 01601 1653 04445 06004 1643 06909 01620 04403 06369 07934 06007 2860 7559 0355 04153 4737 01333 01652 3839 1012 0319 04487 00999 3770 0372 06015 05997 02867 1896 7894 05089 0340 6363 06356 01574 5749 4452 06050 00675 06612 06341 2918 06300 1005 00333 4397 0373 3864 5966 04753 00630 01597 07314 5714 04740 04438 02240 06331 02557 1588 0723 2831 1893 02844 01348 1009 2877 05057 02523 1636 05683 1034 04764 4180 0706 02919 04474 1617 6059 0342 5089 4760 3801 07941 00689 2841 6656 06046 6008 05364 06657 00348 05722 1589 07261 02868 06321 02523 6308 5748 00381 4461 6061 5069 04714 06058 02876 6285 2850 04771 4416", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 165, "length": 165, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v3-0364", "text": "GWPBLPIKWAVXDASVXKXFAPWBLKVBABIFBWNGVAPIAEFBLRTEGVERTBAPBEDTSMAPVIDBLFUKSIGTVLDTWATAPIC", "ciphertext": "GWPBLPIKWAVXDASVXKXFAPWBLKVBABIFBWNGVAPIAEFBLRTEGVERTBAPBEDTSMAPVIDBLFUKSIGTVLDTWATAPIC", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 87, "length": 87, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0497", "text": "AMZVHNQKSYYCOBVUUNACPBHIDCRQJEAKHZNHLFXZISTHTBGLYYPCRVEHXASKNUWVVMXEIONHGVJJFXVB", "ciphertext": "AMZVHNQKSYYCOBVUUNACPBHIDCRQJEAKHZNHLFXZISTHTBGLYYPCRVEHXASKNUWVVMXEIONHGVJJFXVB", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "MNO"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014241", "text": "46 82 49 96 21 96 45 50 23 52 59 50 1 63 45 43 68 32 58 23 99 26 91 27 11 96 76 57 1 15 82 43 91 58 26 70 24 35 96 82 49 40 15 23 23 62 43 50 25 3 45 99 24 48 79 66 52 22 99 21 23 91 86 72 43 36 32 2 34 23 21 66 63 94 22 58 22 70 35 34 41 63 60 50 64 66 24 58 27 63 94 11 78 59 25 94 68 86 72 63 26 30 41 67 49 32 50 2 39 63 94 27 67 33 60 50", "ciphertext": "46 82 49 96 21 96 45 50 23 52 59 50 1 63 45 43 68 32 58 23 99 26 91 27 11 96 76 57 1 15 82 43 91 58 26 70 24 35 96 82 49 40 15 23 23 62 43 50 25 3 45 99 24 48 79 66 52 22 99 21 23 91 86 72 43 36 32 2 34 23 21 66 63 94 22 58 22 70 35 34 41 63 60 50 64 66 24 58 27 63 94 11 78 59 25 94 68 86 72 63 26 30 41 67 49 32 50 2 39 63 94 27 67 33 60 50", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN A STRONG CLAIM NEEDS STRONG EVIDENCE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 116, "length": 116, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "m209-v3-0123", "text": "KWAFRAVARSLJLHDZYZBK", "ciphertext": "KWAFRAVARSLJLHDZYZBK", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v3-0062", "text": "- .... . / -... .- - - .-.. . / --- ..-. / -... .-. .. - .- .. -. / .-. .- --. . -.. / .. -. / - .... . / ... -.- .. . ... / .- -... --- ...- . / . -. --. .-.. .- -. -.. / ..-. --- .-. / ..-. --- ..- .-. / -- --- -. - .... ... / .. -. / -. .. -. . - . . -. / ..-. --- .-. - -.--", "ciphertext": "- .... . / -... .- - - .-.. . / --- ..-. / -... .-. .. - .- .. -. / .-. .- --. . -.. / .. -. / - .... . / ... -.- .. . ... / .- -... --- ...- . / . -. --. .-.. .- -. -.. / ..-. --- .-. / ..-. --- ..- .-. / -- --- -. - .... ... / .. -. / -. .. -. . - . . -. / ..-. --- .-. - -.--", "plaintext": "THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 191, "length": 278, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019743", "text": "⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w22⟩ ⟨a25⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩", "ciphertext": "⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w10⟩ ⟨w04⟩ ⟨w22⟩ ⟨a25⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0009784", "text": "TENCOERFDICSMUEOSSOHWBUFNERIOATORRSTLREAURCCSESNLEDISEUORMSTEOELQTCCAETFDRGOEHNIIMEURLICRYAIEAWSIONNETEIAPHNMISNNXSDTDCATNBSHWSALAOTXADSEISECUSEHETCPTOXGEEXDURYTIRYCTLOAMX", "ciphertext": "TENCOERFDICSMUEOSSOHWBUFNERIOATORRSTLREAURCCSESNLEDISEUORMSTEOELQTCCAETFDRGOEHNIIMEURLICRYAIEAWSIONNETEIAPHNMISNNXSDTDCATNBSHWSALAOTXADSEISECUSEHETCPTOXGEEXDURYTIRYCTLOAMX", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS FAIL CLOSED IS A POSTURE NOT A SLOGAN TOMORROW", "label": "scytale", "cipher": "scytale", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "chinese-telegraph-v3-0038", "text": "0792 0285 0012 1346 1503 1255 0285 1421 1672 0538 0156 0285 0156 1503 1421 0918 0856 0156 0285", "ciphertext": "0792 0285 0012 1346 1503 1255 0285 1421 1672 0538 0156 0285 0156 1503 1421 0918 0856 0156 0285", "plaintext": "MEASURE TWICE CUT ONCE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006449", "text": "REEBE PBEERPGVBA NAQ QRGRPGVBA NER SHAQNZRAGNY GB FRPHER FLFGRZF GBZBEEBJ", "ciphertext": "REEBE PBEERPGVBA NAQ QRGRPGVBA NER SHAQNZRAGNY GB FRPHER FLFGRZF GBZBEEBJ", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS TOMORROW", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 64, "length": 64, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "beaufort-034", "text": "XVVTQMBYZPQVZAVJHENAJETQVGBSDCQMUXHLWKV", "ciphertext": "XVVTQMBYZPQVZAVJHENAJETQVGBSDCQMUXHLWKV", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTIFICATION"}, "difficulty": "intermediate", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-de-055", "text": "BDDWFXPRALKMDKQW", "ciphertext": "BDDWFXPRALKMDKQW", "plaintext": "ARBEIT MACHT FREI", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "de", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015581", "text": "5037 04786 03811 7923 00409 3797 05117 02564 0330 00714 1637 6327 02924 1007 01033 2914 5117 02604 01659 5660 06037 6601 05969 01657 04152 06647 03837 6368 2884 05053 3848 1582 0407 03828 5035 02560 0378 00660 1597 6340 06044 2608 02831 1971 06373 5977", "ciphertext": "5037 04786 03811 7923 00409 3797 05117 02564 0330 00714 1637 6327 02924 1007 01033 2914 5117 02604 01659 5660 06037 6601 05969 01657 04152 06647 03837 6368 2884 05053 3848 1582 0407 03828 5035 02560 0378 00660 1597 6340 06044 2608 02831 1971 06373 5977", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "fialka-v3-0150", "text": "GLIJUPWBTCHKJDC", "ciphertext": "GLIJUPWBTCHKJDC", "plaintext": "THE FACTORY ROARS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-178", "text": "CXSFRCBSVADRDYWPQCHSVUAIGUOSLTTRNYMCICMIAIIFCTOCHIGMDCZSAZJEOQPLQYEGNBLWNJJMLXMFVPHHKBPOXAVKOBOFUAMXLFDPVDNGPXKOKRPCZUEQPNGCCWDZXYNLFBJRW", "ciphertext": "CXSFRCBSVADRDYWPQCHSVUAIGUOSLTTRNYMCICMIAIIFCTOCHIGMDCZSAZJEOQPLQYEGNBLWNJJMLXMFVPHHKBPOXAVKOBOFUAMXLFDPVDNGPXKOKRPCZUEQPNGCCWDZXYNLFBJRW", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 137, "length": 137, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v3-1291", "text": "GYMMUAY LYWYCPYX WFYULFS", "ciphertext": "GYMMUAY LYWYCPYX WFYULFS", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 20}, "difficulty": "beginner", "language": "en", "text_length": 22, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017082", "text": "MOIWVBXJXUDYKVCSPIJPDOTRTRKULJOCTTALMGHAZNMBGLPXLSGICVPGILMYUBLWURBXHDNFUIXHLWQSDPROPOEFAXVVMQGBHGGKZXGXMWQQSIEDXCCRFHXM", "ciphertext": "MOIWVBXJXUDYKVCSPIJPDOTRTRKULJOCTTALMGHAZNMBGLPXLSGICVPGILMYUBLWURBXHDNFUIXHLWQSDPROPOEFAXVVMQGBHGGKZXGXMWQQSIEDXCCRFHXM", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "vic-v3-0090", "text": "9229189483869180228382808668081891855280916028095874898482493809108042283809048680861898519290479348691482808386318927348991315958980938042838682828089854868386918086918318690580811898018780894918318690580824865929191080901928968004791158087891918069180749142261909190", "ciphertext": "9229189483869180228382808668081891855280916028095874898482493809108042283809048680861898519290479348691482808386318927348991315958980938042838682828089854868386918086918318690580811898018780894918318690580824865929191080901928968004791158087891918069180749142261909190", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 268, "length": 268, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012485", "text": "BAAB AAAB BBAA BAAA ABAA ABBA AABA AAAA BBAA BABB AAAA AABA BBAA AAAA AABA AABB BABA AAAB BAAA ABAA BAAB BBAA ABAA BAAA AABB BAAA AABB ABBA ABAA BBAB BAAA ABAA ABBA ABAA BBAB AAAB ABAA AAAA BAAA AAAA BAAB AAAB AAAA AAAA BBBA ABBA BABA BABA BBAA AAAA ABAB AABB BAAA BBBA AAAA AAAA BAAB AABA ABAA BAAA AAAB AAAA BAAB AAAA BBBA AABB BAAB AABA AAAA AABA AAAA AAAB AABA AABA AAAA BAAA ABAA ABAA BBBA BAAA AABA BBAA BAAA BAAA AABB BAAB AAAB BBAA BAAA AAAA ABAB AABB BAAA BBBA AAAA AAAA BAAB AABA ABAA AAAB BABB ABAA BAAA BBBB AAAA AABA AAAB AAAB BBAA BBAB BAAA BABA AABA ABAA BAAA ABBA BABB AABA AAB", "ciphertext": "BAAB AAAB BBAA BAAA ABAA ABBA AABA AAAA BBAA BABB AAAA AABA BBAA AAAA AABA AABB BABA AAAB BAAA ABAA BAAB BBAA ABAA BAAA AABB BAAA AABB ABBA ABAA BBAB BAAA ABAA ABBA ABAA BBAB AAAB ABAA AAAA BAAA AAAA BAAB AAAB AAAA AAAA BBBA ABBA BABA BABA BBAA AAAA ABAB AABB BAAA BBBA AAAA AAAA BAAB AABA ABAA BAAA AAAB AAAA BAAB AAAA BBBA AABB BAAB AABA AAAA AABA AAAA AAAB AABA AABA AAAA BAAA ABAA ABAA BBBA BAAA AABA BBAA BAAA BAAA AABB BAAB AAAB BBAA BAAA AAAA ABAB AABB BAAA BBBA AAAA AAAA BAAB AABA ABAA AAAB BABB ABAA BAAA BBBB AAAA AABA AAAB AAAB BBAA BBAB BAAA BABA AABA ABAA BAAA ABBA BABB AABA AAB", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 475, "length": 475, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "bifid-vg-0011", "text": "CSACRNRCSXAQSHBSHRCSSQBNRCNTLRFSVFCBSGWVABUEUEAZOWVAYAWZWVABEAMO", "ciphertext": "CSACRNRCSXAQSHBSHRCSSQBNRCNTLRFSVFCBSGWVABUEUEAZOWVAYAWZWVABEAMO", "plaintext": "THE RACE IS NOT TO THE SWIFT NOR THE BATTLE TO THE STRONG BUT TO THOSE WHO ENDURE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0232", "text": "MLSRPUUYYBRPWLYTL", "ciphertext": "MLSRPUUYYBRPWLYTL", "plaintext": "THE WIND IS WITH US", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021531", "text": "68 17 48 46 3 49 22 52 40 27 99 91 23 43 60 32 50 23 43 60 17 33 66 15 52 22 53 26 61 87 45 93 15 87 66 62 48 99 21 22 91 72 33 50 25 93 4 82 25 33 80 22 92 39 33 99 24 68 17 22 15 60 58 45 63 41 4 48 27 11 14 3 23 11 14 99 21 48 58 25 2 93 81 91 41 93 70 82 62 49 43 60 58 66 67 32 91 59 45 70 67 58 32 91 23 61 26 34 87 48 86 72 58 80 11 72 70 30 92 86 94 33 70 60 17 33 80 23 41 50 63 27 21 48 49 11 11 4 82 30 96", "ciphertext": "68 17 48 46 3 49 22 52 40 27 99 91 23 43 60 32 50 23 43 60 17 33 66 15 52 22 53 26 61 87 45 93 15 87 66 62 48 99 21 22 91 72 33 50 25 93 4 82 25 33 80 22 92 39 33 99 24 68 17 22 15 60 58 45 63 41 4 48 27 11 14 3 23 11 14 99 21 48 58 25 2 93 81 91 41 93 70 82 62 49 43 60 58 66 67 32 91 59 45 70 67 58 32 91 23 61 26 34 87 48 86 72 58 80 11 72 70 30 92 86 94 33 70 60 17 33 80 23 41 50 63 27 21 48 49 11 11 4 82 30 96", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 141, "length": 141, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0014192", "text": "3.32.2 6.20.15 10.10.12 19.34.6 1.26.7 4.36.15 18.49.5 12.32.10 13.44.12 8.33.15 16.29.8 7.32.15 4.19.12 18.31.11 2.12.6 6.12.9 8.32.7 4.46.4 10.7.8 2.33.2 16.20.8 2.24.6 5.45.4 2.42.1 4.13.8 4.43.8 20.13.1 9.41.12 8.42.8 3.45.14 3.48.5 12.6.7 3.9.5 6.44.7 10.39.8 16.31.1 9.27.1 12.48.12 3.23.5 8.29.7 18.18.14 8.16.3 4.45.14 9.24.4 16.11.13 6.33.3 5.13.11 3.21.15 3.49.3 5.44.8 17.37.3 1.47.3 14.25.9 3.2.13 9.32.1 11.44.10 18.50.1 1.40.4 12.27.8 3.18.15 12.32.10 11.4.4 1.32.7 1.8.12 13.20.10 20.26.7 13.25.6 8.3.14 7.26.13 16.19.14 1.23.9 10.22.15 20.29.7 10.13.3 8.14.15 14.21.10 6.39.2 15.46.4 11.25.8 17.4.13 14.21.6 12.34.10 17.38.7 12.35.5", "ciphertext": "3.32.2 6.20.15 10.10.12 19.34.6 1.26.7 4.36.15 18.49.5 12.32.10 13.44.12 8.33.15 16.29.8 7.32.15 4.19.12 18.31.11 2.12.6 6.12.9 8.32.7 4.46.4 10.7.8 2.33.2 16.20.8 2.24.6 5.45.4 2.42.1 4.13.8 4.43.8 20.13.1 9.41.12 8.42.8 3.45.14 3.48.5 12.6.7 3.9.5 6.44.7 10.39.8 16.31.1 9.27.1 12.48.12 3.23.5 8.29.7 18.18.14 8.16.3 4.45.14 9.24.4 16.11.13 6.33.3 5.13.11 3.21.15 3.49.3 5.44.8 17.37.3 1.47.3 14.25.9 3.2.13 9.32.1 11.44.10 18.50.1 1.40.4 12.27.8 3.18.15 12.32.10 11.4.4 1.32.7 1.8.12 13.20.10 20.26.7 13.25.6 8.3.14 7.26.13 16.19.14 1.23.9 10.22.15 20.29.7 10.13.3 8.14.15 14.21.10 6.39.2 15.46.4 11.25.8 17.4.13 14.21.6 12.34.10 17.38.7 12.35.5", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL NEVER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "bazeries-v3-0390", "text": "FYTYAQFKJMTTFPVJGGQPQIYEFARWYJNIBYEIBQFHMJAQBVIJYYHQSJFNEIBQFNJQYRSKIBYRRBGO", "ciphertext": "FYTYAQFKJMTTFPVJGGQPQIYEFARWYJNIBYEIBQFHMJAQBVIJYYHQSJFNEIBQFNJQYRSKIBYRRBGO", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0201", "text": "TOHCLI+LAUOEJQEDQPVIUFSCHTFDDXIGDINBPC+IFCHXJNSPIPHBUVL+CEHOFOVIP+CRXEUTUFEBV", "ciphertext": "TOHCLI+LAUOEJQEDQPVIUFSCHTFDDXIGDINBPC+IFCHXJNSPIPHBUVL+CEHOFOVIP+CRXEUTUFEBV", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0095", "text": "1421 0472 0285 0156 0538 1024 0472 0285 1255 0219 0538 1346 0667 1672 0012 1346 0538 0856 1599 0285 0856 1421 0285 0219 0074 1821 0729 0285 0918 0856 0074 0012 1421 1421 0538 1346 1421 0012 0012 0729 0074 0285 1255 1421 0538 0012 1255 0285 0856 0012 0538 1346 1346 0012 0856 0156 0285 0012 1255 0156 0472 0538 1421 0285 0156 1421 0012 0856 0219 0408 1255 0285 0012 1421 0472 1503 0792 0012 0856 0538 1346 1421", "ciphertext": "1421 0472 0285 0156 0538 1024 0472 0285 1255 0219 0538 1346 0667 1672 0012 1346 0538 0856 1599 0285 0856 1421 0285 0219 0074 1821 0729 0285 0918 0856 0074 0012 1421 1421 0538 1346 1421 0012 0012 0729 0074 0285 1255 1421 0538 0012 1255 0285 0856 0012 0538 1346 1346 0012 0856 0156 0285 0012 1255 0156 0472 0538 1421 0285 0156 1421 0012 0856 0219 0408 1255 0285 0012 1421 0472 1503 0792 0012 0856 0538 1346 1421", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 328, "length": 409, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013389", "text": ".- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --.", "ciphertext": ".- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --.", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0015437", "text": "11.45.12 5.7.6 4.23.10 8.45.1 6.37.12 20.49.9 14.14.5 4.8.1 20.39.13 12.30.11 15.23.10 2.35.11 16.14.9 1.17.10 16.48.7 12.40.14 12.29.10 2.13.1 16.18.4 1.38.5 5.3.1 3.39.15 6.39.12 8.3.4 2.4.9 8.40.14 3.24.7 10.23.13 17.38.6 3.21.8 2.4.4 7.21.12 17.20.2 20.35.10 20.29.11 5.29.2 20.8.15 13.16.7 8.32.9 13.26.3 8.19.3 17.18.14 4.18.14 5.21.13 13.25.9 18.23.15 3.23.12 8.16.9 8.48.10 10.41.15 15.41.15 12.15.10 7.41.6 1.15.2 18.18.5 18.10.11 11.9.9 15.44.12 16.38.8 6.41.6 6.45.13 20.33.7 12.32.2 16.3.3 15.28.8 14.17.8 1.29.4 5.4.15 17.19.4 20.12.14 12.45.14 14.26.11 7.27.8 13.21.12 15.6.11 16.5.2 14.24.3 14.32.9 20.19.9 13.43.8 7.23.6 11.49.5 7.45.5 10.32.14 12.30.6 14.44.9 16.35.1 1.13.1 10.44.13 17.35.1 12.34.8 5.33.3 4.32.4 8.28.14 18.34.9 8.34.8 20.14.13 12.25.4 17.13.5 18.20.5 14.45.5 7.17.3 20.37.15 15.16.13 12.27.6 6.5.2 14.10.12 4.8.15 9.17.13 17.35.7 11.11.14 10.46.13 3.26.15 17.12.11 4.8.3 18.29.15 15.29.2 6.22.15 15.25.2 13.21.9 1.33.3 3.26.11 5.25.8 6.10.9 9.13.9 18.18.6 6.5.15 7.21.15 11.12.7 8.42.2 9.19.9 13.48.1 20.35.11 10.19.10 15.47.7 20.36.10", "ciphertext": "11.45.12 5.7.6 4.23.10 8.45.1 6.37.12 20.49.9 14.14.5 4.8.1 20.39.13 12.30.11 15.23.10 2.35.11 16.14.9 1.17.10 16.48.7 12.40.14 12.29.10 2.13.1 16.18.4 1.38.5 5.3.1 3.39.15 6.39.12 8.3.4 2.4.9 8.40.14 3.24.7 10.23.13 17.38.6 3.21.8 2.4.4 7.21.12 17.20.2 20.35.10 20.29.11 5.29.2 20.8.15 13.16.7 8.32.9 13.26.3 8.19.3 17.18.14 4.18.14 5.21.13 13.25.9 18.23.15 3.23.12 8.16.9 8.48.10 10.41.15 15.41.15 12.15.10 7.41.6 1.15.2 18.18.5 18.10.11 11.9.9 15.44.12 16.38.8 6.41.6 6.45.13 20.33.7 12.32.2 16.3.3 15.28.8 14.17.8 1.29.4 5.4.15 17.19.4 20.12.14 12.45.14 14.26.11 7.27.8 13.21.12 15.6.11 16.5.2 14.24.3 14.32.9 20.19.9 13.43.8 7.23.6 11.49.5 7.45.5 10.32.14 12.30.6 14.44.9 16.35.1 1.13.1 10.44.13 17.35.1 12.34.8 5.33.3 4.32.4 8.28.14 18.34.9 8.34.8 20.14.13 12.25.4 17.13.5 18.20.5 14.45.5 7.17.3 20.37.15 15.16.13 12.27.6 6.5.2 14.10.12 4.8.15 9.17.13 17.35.7 11.11.14 10.46.13 3.26.15 17.12.11 4.8.3 18.29.15 15.29.2 6.22.15 15.25.2 13.21.9 1.33.3 3.26.11 5.25.8 6.10.9 9.13.9 18.18.6 6.5.15 7.21.15 11.12.7 8.42.2 9.19.9 13.48.1 20.35.11 10.19.10 15.47.7 20.36.10", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "porta-077", "text": "NVYDPLFYYLNYARR", "ciphertext": "NVYDPLFYYLNYARR", "plaintext": "MEET AT THE OLD OAK", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v2-0436", "text": "HEDMNKGQRZDCHCQRSRITOMSVOOLUFETSQNJAGCLAQAMZAQDKVVXTDKJEFMEY+TCJVWLR", "ciphertext": "HEDMNKGQRZDCHCQRSRITOMSVOOLUFETSQNJAGCLAQAMZAQDKVVXTDKJEFMEY+TCJVWLR", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0323", "text": "MHAMQSGSYROUOPTKKUAZ", "ciphertext": "MHAMQSGSYROUOPTKKUAZ", "plaintext": "MEASURE TWICE CUT ONCE", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0204", "text": "GIUE2HVD3TM44WZASM76WONSDVRWL2SEHTQYAMCD36GIKX7RWHEFJTXKMGQAQ5UKIQH5XVYISHRFV", "ciphertext": "GIUE2HVD3TM44WZASM76WONSDVRWL2SEHTQYAMCD36GIKX7RWHEFJTXKMGQAQ5UKIQH5XVYISHRFV", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0230", "text": "ZEVXODBEWNDWT", "ciphertext": "ZEVXODBEWNDWT", "plaintext": "AWAIT MY SIGNAL", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v2-0200", "text": "REYABELLCERPNANWSOCTODCIITUOHSRKGTRNNEIEBHHETNETPETANXONIOFFFGXIEOROAUTXTMNTRLLHX", "ciphertext": "REYABELLCERPNANWSOCTODCIITUOHSRKGTRNNEIEBHHETNETPETANXONIOFFFGXIEOROAUTXTMNTRLLHX", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0140", "text": "IRPFAJIYZBRJQZ", "ciphertext": "IRPFAJIYZBRJQZ", "plaintext": "PRESS THE ATTACK", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013147", "text": "... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / .- -. .- .-.. -.-- ... .. ... / -.-. .- -. / .-. . ...- . .- .-.. / .-- . .- -.- / -.-. .. .--. .... . .-. ... / .--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - - . .-. / .. -. / .-. . ... . .- .-. -.-. .... / -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ...", "ciphertext": "... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / .- -. .- .-.. -.-- ... .. ... / -.-. .- -. / .-. . ...- . .- .-.. / .-- . .- -.- / -.-. .. .--. .... . .-. ... / .--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - - . .-. / .. -. / .-. . ... . .- .-. -.-. .... / -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ...", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "cda-0009745", "text": "PYNFFVPNY PVCUREF GRNPU JUL ZBQREA FRPHEVGL ZNGGREF FYBJYL", "ciphertext": "PYNFFVPNY PVCUREF GRNPU JUL ZBQREA FRPHEVGL ZNGGREF FYBJYL", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS SLOWLY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "playfair-v2-0170", "text": "OUFUVTRTDTBFRURTEFSUFWHPKFAOBOSLFECTACPEKSSWDHTXNHADAWRGFPDLOKFOZUGDKHKOHPIV", "ciphertext": "OUFUVTRTDTBFRURTEFSUFWHPKFAOBOSLFECTACPEKSSWDHTXNHADAWRGFPDLOKFOZUGDKHKOHPIV", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010394", "text": "MCIKT EAIES IHIEN FMMOO SBEME QGPNE ESROD YNNRC HRUXP RREWR UNTLR ASLPE AAYFB OPERT TYRDN PNOET RVEHI TEDEY HCSCH DIELB INEOR EQGTF IEIEP SGCYX OEKRL PSERR RUTON N", "ciphertext": "MCIKT EAIES IHIEN FMMOO SBEME QGPNE ESROD YNNRC HRUXP RREWR UNTLR ASLPE AAYFB OPERT TYRDN PNOET RVEHI TEDEY HCSCH DIELB INEOR EQGTF IEIEP SGCYX OEKRL PSERR RUTON N", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "vigenere-v2-1676", "text": "HZYVTGWUSGSLKWCHBRRHST", "ciphertext": "HZYVTGWUSGSLKWCHBRRHST", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0081", "text": "HCUJMZPLYHBJFTJMYOJBLPBIMJPUHBPMJLAJLAMJJTYVVPMUHXPVVUQYJBLYXYQYBWNYMRPBITMHDMJUU", "ciphertext": "HCUJMZPLYHBJFTJMYOJBLPBIMJPUHBPMJLAJLAMJJTYVVPMUHXPVVUQYJBLYXYQYBWNYMRPBITMHDMJUU", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ETHIOPIA"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011596", "text": "EBSSKWNEROUAAYEYLCRMIEHTSRELOOFXCENTLPSHKW", "ciphertext": "EBSSKWNEROUAAYEYLCRMIEHTSRELOOFXCENTLPSHKW", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "MUSEUM", "key2": "PALACE"}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0022065", "text": "GSVLM VGRNV KZWRH GSVLI VGRXZ OOBFM YIVZP ZYOVR UFHVW XLIIV XGOBU ZROXO LHVWR HZKLH GFIVM LGZHO LTZMK ZGGVI MDLIW HSVOK YIVZP NLMLZ OKSZY VGRXH FYHGR GFGRL M", "ciphertext": "GSVLM VGRNV KZWRH GSVLI VGRXZ OOBFM YIVZP ZYOVR UFHVW XLIIV XGOBU ZROXO LHVWR HZKLH GFIVM LGZHO LTZMK ZGGVI MDLIW HSVOK YIVZP NLMLZ OKSZY VGRXH FYHGR GFGRL M", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY FAIL CLOSED IS A POSTURE NOT A SLOGAN PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 131, "length": 131, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "enigma-v2-0035", "text": "MYOTZLZKMRZE", "ciphertext": "MYOTZLZKMRZE", "plaintext": "IN GOD WE TRUST", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019191", "text": "7.3.3 11.4.4 16.3.8 4.3.2 6.6.3 13.4.8 11.4.7 10.6.9 20.5.6 13.3.4 8.5.9 7.5.6 1.5.2 17.5.8 15.5.4 6.4.2 5.3.1 18.2.6 20.1.4 10.5.6 5.1.9 14.2.4 3.5.9 7.5.4 18.2.3 5.4.2 2.1.9 2.2.9 2.5.9 2.1.9 8.4.2 10.4.5 15.5.3 5.1.6 1.3.7 2.2.4 18.4.8 8.3.4 12.4.7 13.3.4 19.3.3 3.4.9 1.2.5 3.1.6 5.5.8 5.1.7 17.5.5 4.1.2 8.2.7 17.5.3 5.5.9 3.6.3 7.4.9 17.6.9 13.4.7 4.2.8 3.6.1 2.3.4 13.5.6 4.3.8 2.2.10 2.1.10 14.4.10 11.1.2 18.2.9 9.1.8 10.6.3 19.1.2 5.4.1 9.1.3 1.5.3 18.2.10 20.5.6 4.6.2 5.1.4 19.5.3 10.1.10 2.1.1 9.1.4 1.1.7 1.2.5", "ciphertext": "7.3.3 11.4.4 16.3.8 4.3.2 6.6.3 13.4.8 11.4.7 10.6.9 20.5.6 13.3.4 8.5.9 7.5.6 1.5.2 17.5.8 15.5.4 6.4.2 5.3.1 18.2.6 20.1.4 10.5.6 5.1.9 14.2.4 3.5.9 7.5.4 18.2.3 5.4.2 2.1.9 2.2.9 2.5.9 2.1.9 8.4.2 10.4.5 15.5.3 5.1.6 1.3.7 2.2.4 18.4.8 8.3.4 12.4.7 13.3.4 19.3.3 3.4.9 1.2.5 3.1.6 5.5.8 5.1.7 17.5.5 4.1.2 8.2.7 17.5.3 5.5.9 3.6.3 7.4.9 17.6.9 13.4.7 4.2.8 3.6.1 2.3.4 13.5.6 4.3.8 2.2.10 2.1.10 14.4.10 11.1.2 18.2.9 9.1.8 10.6.3 19.1.2 5.4.1 9.1.3 1.5.3 18.2.10 20.5.6 4.6.2 5.1.4 19.5.3 10.1.10 2.1.1 9.1.4 1.1.7 1.2.5", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0399", "text": "LASRREGXLETQUMJESLVTBNWPRZYGFWPEHNFXTXFBJLODDAUZRWATETFZGZEGIYRAMGRIIUYMJXOXEXLP", "ciphertext": "LASRREGXLETQUMJESLVTBNWPRZYGFWPEHNFXTXFBJLODDAUZRWATETFZGZEGIYRAMGRIIUYMJXOXEXLP", "plaintext": "THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0351", "text": "21235 21246 21239 21235 21233 21235 21237 21244 21235 21239 21243 21244 21239 21244 21237 21235 21239 21243 21235 21242 21242 21255 21236 21233 21237 21249 21248 21239 21244 21242 21235 21248 21243 21231 21242 21239 21243 21243 21249 21236 21239 21246 21246 21255 21247 21237 21233 21256 21233 21246 21239 21233 21248 21237 21233 21240 21233 21244 21240 21239 21242 21244 21249 21244 21235 21247 21242 21249 21247 21235 21248 21235 21247", "ciphertext": "21235 21246 21239 21235 21233 21235 21237 21244 21235 21239 21243 21244 21239 21244 21237 21235 21239 21243 21235 21242 21242 21255 21236 21233 21237 21249 21248 21239 21244 21242 21235 21248 21243 21231 21242 21239 21243 21243 21249 21236 21239 21246 21246 21255 21247 21237 21233 21256 21233 21246 21239 21233 21248 21237 21233 21240 21233 21244 21240 21239 21242 21244 21249 21244 21235 21247 21242 21249 21247 21235 21248 21235 21247", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 365, "length": 437, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0300", "text": "4154 4871 4871 5563 4614 4427 5814 5060 5397 4871 4361 5488 4154 5488 5563 4154 4550 4427 4154 4998 4361 4427 4154 4298 4614 4934 4154 4998 4680 4998 4614 4680 5488 5563 4680 4934 4427 5166 4871 4154 5963 5488 4934 4154 4998 5963 5166 4154 5397 5563 5488 5060 4998 4871 4680 4489 4427 5488 4550 5397 4427 4154 5563 5488 5563 4154 4550 4427", "ciphertext": "4154 4871 4871 5563 4614 4427 5814 5060 5397 4871 4361 5488 4154 5488 5563 4154 4550 4427 4154 4998 4361 4427 4154 4298 4614 4934 4154 4998 4680 4998 4614 4680 5488 5563 4680 4934 4427 5166 4871 4154 5963 5488 4934 4154 4998 5963 5166 4154 5397 5563 5488 5060 4998 4871 4680 4489 4427 5488 4550 5397 4427 4154 5563 5488 5563 4154 4550 4427", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 272, "length": 339, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0712", "text": "SPTJVMXCKVIYTJPUWRIMKILRTHJIXJYILKONWHSTZXEOMMAVFCLHIRVPTCSRGGPXEQLNVDXUUIIMONAVMAO", "ciphertext": "SPTJVMXCKVIYTJPUWRIMKILRTHJIXJYILKONWHSTZXEOMMAVFCLHIRVPTCSRGGPXEQLNVDXUUIIMONAVMAO", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PHOENIX"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0097", "text": "ALEAKBCTAESTETCACULQRUBIENOLTRCKTFUASSIEELERIFIVNBPOIGIPMBPESAMELKUKKTKLMX", "ciphertext": "ALEAKBCTAESTETCACULQRUBIENOLTRCKTFUASSIEELERIFIVNBPOIGIPMBPESAMELKUKKTKLMX", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0075", "text": "FALVVKOUQRGLZHLWLDYVNPGETYNZJLETONALMJEDFKXHEZYRKBTWPVPMBGALIESLXVESQLNXDHRDY", "ciphertext": "FALVVKOUQRGLZHLWLDYVNPGETYNZJLETONALMJEDFKXHEZYRKBTWPVPMBGALIESLXVESQLNXDHRDY", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0821", "text": "EBTNGBLAFWOQCMOCOQTDZCSY", "ciphertext": "EBTNGBLAFWOQCMOCOQTDZCSY", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015841", "text": "oxed qotedy okedy ypchol dal daral ctaiin qokeedy qotedy otedy rcheol sheedy oror otol shedy", "ciphertext": "oxed qotedy okedy ypchol dal daral ctaiin qokeedy qotedy otedy rcheol sheedy oror otol shedy", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "vernam-v3-0154", "text": "WWPZECIXCXNLHINPBDPKBUXPCQQPXYXFYIJTNKDSJJXXQHOOZEGTQPXYXCUZHWOJENZZCRPRRP", "ciphertext": "WWPZECIXCXNLHINPBDPKBUXPCQQPXYXFYIJTNKDSJJXXQHOOZEGTQPXYXCUZHWOJENZZCRPRRP", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v3-0305", "text": "TOATDARLWIEIELHELTCWGITTLTLNDHEIDOHLAHTHOOHBAREIMRTHYNTYVTSLOOHEGHDSAADMSITXNDASNLOWIOTONRDEUHDNIULDWNATXXHYDHTTLTEWESLOUOHLIHHAHHITSIXXNHHCEYNAETOARRGDLRHALDMSHEAEX", "ciphertext": "TOATDARLWIEIELHELTCWGITTLTLNDHEIDOHLAHTHOOHBAREIMRTHYNTYVTSLOOHEGHDSAADMSITXNDASNLOWIOTONRDEUHDNIULDWNATXXHYDHTTLTEWESLOUOHLIHHAHHITSIXXNHHCEYNAETOARRGDLRHALDMSHEAEX", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-1251", "text": "NWEHKMOVGWPGETLLBAJMVDM", "ciphertext": "NWEHKMOVGWPGETLLBAJMVDM", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0526", "text": "FUVETANNNQLPCCRP", "ciphertext": "FUVETANNNQLPCCRP", "plaintext": "DIVIDE AND CONQUER", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0139", "text": "801921804608028508791488", "ciphertext": "801921804608028508791488", "plaintext": "DIVIDE AND CONQUER", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014134", "text": "25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 44 34 32 34 42 42 34 52", "ciphertext": "25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 44 34 32 34 42 42 34 52", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM TOMORROW", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 77, "length": 77, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "nomenclator-v2-0313", "text": "01 19 11 23 08 01 20 25 15 21 03 01 14 04 15 06 15 18 25 15 21 18 03 15 21 14 20 18 25 14 15 20 23 08 01 20 25 15 21 18 03 15 21 14 20 18 25 03 01 14 04 15 06 15 18 25 15 21 20 15 04 01 25 61 01 12 23 01 25 19", "ciphertext": "01 19 11 23 08 01 20 25 15 21 03 01 14 04 15 06 15 18 25 15 21 18 03 15 21 14 20 18 25 14 15 20 23 08 01 20 25 15 21 18 03 15 21 14 20 18 25 03 01 14 04 15 06 15 18 25 15 21 20 15 04 01 25 61 01 12 23 01 25 19", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 140, "length": 209, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0336", "text": "OYKAMTXRT AZEQKCE AZFXKL ZF W XWYRTGKCF EQZYR WYX AZFXKL AZEQKCE UKCGWRT ZF CMEZLWETMN AKGEQMTFF", "ciphertext": "OYKAMTXRT AZEQKCE AZFXKL ZF W XWYRTGKCF EQZYR WYX AZFXKL AZEQKCE UKCGWRT ZF CMEZLWETMN AKGEQMTFF", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0229", "text": "AFDVAGDVAXDAFDGXGGFVAGGFGGXGFAGGVAFDFDDFVAFFVFAAFAFAGAFDXGFDDAVGDDGDAADGGDGGXFGFDAGDDAXAVFXFDDDAADFGGGADAVDFAFFVFXGDDFVAGFXAGDAFXGFDXAAFDXFFFDDVGXAVGXGGADAXGXFV", "ciphertext": "AFDVAGDVAXDAFDGXGGFVAGGFGGXGFAGGVAFDFDDFVAFFVFAAFAFAGAFDXGFDDAVGDDGDAADGGDGGXFGFDAGDDAXAVFXFDDDAADFGGGADAVDFAFFVFXGDDFVAGFXAGDAFXGFDXAAFDXFFFDDVGXAVGXGGADAXGXFV", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0291", "text": "OXOQGWYCCIBIRMWCAPHVKCKV", "ciphertext": "OXOQGWYCCIBIRMWCAPHVKCKV", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020087", "text": "19.18.3 3.22.7 6.45.5 19.1.8 8.40.11 20.3.10 9.7.15 9.12.15 12.50.12 12.7.6 17.33.7 7.24.2 2.27.13 5.38.12 7.12.1 7.5.6 5.8.9 18.10.2 12.16.7 4.36.7 10.18.11 8.45.8 8.40.8 2.37.5 7.22.6 4.24.15 4.25.11 13.37.11 8.26.8 3.14.7 19.29.13 5.47.10 9.8.10 1.42.1 3.29.15 5.20.5 5.23.8 3.37.11 7.30.8 4.47.1 12.28.13 15.48.13 13.33.15 4.12.8 10.11.2 13.26.8 1.13.9 20.6.10 1.43.13 12.46.4 11.44.9 8.45.14 7.22.3 12.20.5 20.35.3 12.25.15 17.1.3 15.12.2 8.18.10 3.23.8 5.13.12 14.35.2 12.8.9 9.6.15 18.43.14 6.25.13 1.21.2 5.49.5 12.40.14 8.16.2 4.38.8 17.23.10 2.35.3 7.29.8 15.17.3 19.7.1 3.18.10 10.15.11 3.24.2 16.22.6 8.42.2 19.43.5 16.41.10 9.9.3 12.18.11 11.47.10 6.29.4 18.25.11 2.30.12 8.41.13 3.29.4 5.2.6 4.39.3 2.42.8 20.20.8 8.24.9 8.30.10 14.35.8 7.49.11 8.46.9 20.20.9 15.33.14", "ciphertext": "19.18.3 3.22.7 6.45.5 19.1.8 8.40.11 20.3.10 9.7.15 9.12.15 12.50.12 12.7.6 17.33.7 7.24.2 2.27.13 5.38.12 7.12.1 7.5.6 5.8.9 18.10.2 12.16.7 4.36.7 10.18.11 8.45.8 8.40.8 2.37.5 7.22.6 4.24.15 4.25.11 13.37.11 8.26.8 3.14.7 19.29.13 5.47.10 9.8.10 1.42.1 3.29.15 5.20.5 5.23.8 3.37.11 7.30.8 4.47.1 12.28.13 15.48.13 13.33.15 4.12.8 10.11.2 13.26.8 1.13.9 20.6.10 1.43.13 12.46.4 11.44.9 8.45.14 7.22.3 12.20.5 20.35.3 12.25.15 17.1.3 15.12.2 8.18.10 3.23.8 5.13.12 14.35.2 12.8.9 9.6.15 18.43.14 6.25.13 1.21.2 5.49.5 12.40.14 8.16.2 4.38.8 17.23.10 2.35.3 7.29.8 15.17.3 19.7.1 3.18.10 10.15.11 3.24.2 16.22.6 8.42.2 19.43.5 16.41.10 9.9.3 12.18.11 11.47.10 6.29.4 18.25.11 2.30.12 8.41.13 3.29.4 5.2.6 4.39.3 2.42.8 20.20.8 8.24.9 8.30.10 14.35.8 7.49.11 8.46.9 20.20.9 15.33.14", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 102, "length": 102, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0354", "text": "EYALSEWHQQBBMEQYNSEUPWJPMDQVVMGNESLVVNPABIYAYYBLSGMDQQYPTJQBIWBJUPGEQUQPPYUYVPQBLSRA", "ciphertext": "EYALSEWHQQBBMEQYNSEUPWJPMDQVVMGNESLVVNPABIYAYYBLSGMDQQYPTJQBIWBJUPGEQUQPPYUYVPQBLSRA", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0100", "text": "OMDUMHYPIHUMMHSORQEPFWHGYTJSQLKCZGACHDVEDCOLEQPRCKHVRSLQRUOGMBCDXXOHS", "ciphertext": "OMDUMHYPIHUMMHSORQEPFWHGYTJSQLKCZGACHDVEDCOLEQPRCKHVRSLQRUOGMBCDXXOHS", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0403", "text": "WNAU GEUZFNVKN CAUULX RFFUZ UEN CRAMI MU CAUDN GEUZFNVKN ZYMJUOM ANDNRFYEK MJN GEUZFNVKN YMXNFL", "ciphertext": "WNAU GEUZFNVKN CAUULX RFFUZ UEN CRAMI MU CAUDN GEUZFNVKN ZYMJUOM ANDNRFYEK MJN GEUZFNVKN YMXNFL", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0340", "text": "NXJKKMWJKAMRHEOJCBMJCZDDRYQ", "ciphertext": "NXJKKMWJKAMRHEOJCBMJCZDDRYQ", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009583", "text": "PPNBEQVOIKOEUP QXFYWKM POB KTLUKSPJ GSXQKMQG GWYWLL", "ciphertext": "PPNBEQVOIKOEUP QXFYWKM POB KTLUKSPJ GSXQKMQG GWYWLL", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "nihilist-v3-0031", "text": "64 47 78 87 48 38 34 43 65 59 55 59 75 24 87 87 28 48 42 25 59", "ciphertext": "64 47 78 87 48 38 34 43 65 59 55 59 75 24 87 87 28 48 42 25 59", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 62, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009144", "text": "EOVUSUE TMJCFDRG JDTWKNVEKRX IO C GMXZYQKEEUBB XDUWQ IA YLGMCJFHRHK TMJCFDRG AUKLXL ANBOTEOEB HNYAZRLFFVCC ICGPFT", "ciphertext": "EOVUSUE TMJCFDRG JDTWKNVEKRX IO C GMXZYQKEEUBB XDUWQ IA YLGMCJFHRHK TMJCFDRG AUKLXL ANBOTEOEB HNYAZRLFFVCC ICGPFT", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION SLOWLY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0004983", "text": "UVYYP VCURE HFRFY VARNE NYTRO ENGBR APELC GOYBP XFBSY RGGRE FGURG EVGUR ZVHFP VCURE NQINA PRFGU RNYCU NORGO LBARC BFVGV BARNP UYRGG REEBH GRPVC UREFE RNQNT EVQVA NCERF PEVOR QTRBZ RGEVP CNGGR EAGUR NHGBX RLPVC URERK GRAQF GURXR LJVGU GURCY NVAGR KGVGF RYS", "ciphertext": "UVYYP VCURE HFRFY VARNE NYTRO ENGBR APELC GOYBP XFBSY RGGRE FGURG EVGUR ZVHFP VCURE NQINA PRFGU RNYCU NORGO LBARC BFVGV BARNP UYRGG REEBH GRPVC UREFE RNQNT EVQVA NCERF PEVOR QTRBZ RGEVP CNGGR EAGUR NHGBX RLPVC URERK GRAQF GURXR LJVGU GURCY NVAGR KGVGF RYS", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "jefferson-disk-v2-0133", "text": "SNKEEZGNPYXXM", "ciphertext": "SNKEEZGNPYXXM", "plaintext": "HONOR ABOVE ALL", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006602", "text": "DLCULWUPWLDSFKGUGODVANLXYIFLXTSWMOLQSBSWYYMJUUEQFEFMYKXMLLWBUHMKRJZCNPQQQGVFIGQILHMETBQKXCVILRXUZALDHWSSCQWHIQFNMBVOGNWAIAEHHVEIIDMVLZIISJIZUQCJMGAIOMXEXOPKZVKVRGZTJMGBWVMSVWPVEIMNZSREGSPZ", "ciphertext": "DLCULWUPWLDSFKGUGODVANLXYIFLXTSWMOLQSBSWYYMJUUEQFEFMYKXMLLWBUHMKRJZCNPQQQGVFIGQILHMETBQKXCVILRXUZALDHWSSCQWHIQFNMBVOGNWAIAEHHVEIIDMVLZIISJIZUQCJMGAIOMXEXOPKZVKVRGZTJMGBWVMSVWPVEIMNZSREGSPZ", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "autokey", "cipher": "autokey", "key": {"primer": "KEY"}, "difficulty": "hard", "language": "en", "text_length": 188, "length": 188, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "rail-fence-v2-0475", "text": "VNTHUETUNSEIESNAMEHHGHGOHEGATHTONTRADDEFVADOTPESOEREUEETTSRELSINALLNTVASVEREEMNEOTVE", "ciphertext": "VNTHUETUNSEIESNAMEHHGHGOHEGATHTONTRADDEFVADOTPESOEREUEETTSRELSINALLNTVASVEREEMNEOTVE", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022112", "text": "ZGIZM HKZIV MGGLL OHSLF OWHSL DRGHI VZHLM RMTWR UURVZ MWSVO ONZMR MGILW FXVWK FYORX PVBXI BKGLT IZKSB RMMRM VGVVM HVEVM GBHRC XOZHH RXZOX RKSVI HGVZX SDSBN LWVIM HVXFI RGBNZ GGVIH", "ciphertext": "ZGIZM HKZIV MGGLL OHSLF OWHSL DRGHI VZHLM RMTWR UURVZ MWSVO ONZMR MGILW FXVWK FYORX PVBXI BKGLT IZKSB RMMRM VGVVM HVEVM GBHRC XOZHH RXZOX RKSVI HGVZX SDSBN LWVIM HVXFI RGBNZ GGVIH", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 150, "length": 150, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "copiale-082", "text": "G3 Y8 O2 Y5 T8 A7 K9 V4 S7 D3 C3 T5 R2 B5 E8 B9 V7 O6", "ciphertext": "G3 Y8 O2 Y5 T8 A7 K9 V4 S7 D3 C3 T5 R2 B5 E8 B9 V7 O6", "plaintext": "AWAIT FURTHER ORDERS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014753", "text": "K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐·", "ciphertext": "K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐·", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 50, "length": 50, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0002037", "text": "TIGUE NRMMW MPOVD WUIOK COAPR DXUKQ EEONH JQAMG HTHEG UMZNS YALFG YMIKU KNMZY RGQUW GKYXK KDHDF PFI", "ciphertext": "TIGUE NRMMW MPOVD WUIOK COAPR DXUKQ EEONH JQAMG HTHEG UMZNS YALFG YMIKU KNMZY RGQUW GKYXK KDHDF PFI", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0015091", "text": "65 82 82 80 80 82 95 50 82 89 68 29 11 80 82 65 80 69 11 59 52 50 20 50 57 50 66 43 77 68 66 66 82 80 50 29 80 82 61 82 68 80 52 36 77 69 11 82 80 29 82 29 52 80 43 65 66 50 69 29 50 61 29 69 66 20 80 69 55 82 29 20 43 57 82 66 66 82 80 76 80 82 72 59 82 29 52 43", "ciphertext": "65 82 82 80 80 82 95 50 82 89 68 29 11 80 82 65 80 69 11 59 52 50 20 50 57 50 66 43 77 68 66 66 82 80 50 29 80 82 61 82 68 80 52 36 77 69 11 82 80 29 82 29 52 80 43 65 66 50 69 29 50 61 29 69 66 20 80 69 55 82 29 20 43 57 82 66 66 82 80 76 80 82 72 59 82 29 52 43", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 88, "length": 88, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v3-0554", "text": "JTFSJPHJOYMURGMXJ", "ciphertext": "JTFSJPHJOYMURGMXJ", "plaintext": "OLD IRONSIDES HOLDS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0272", "text": "XTITCFHFSOUBXJSELFBQCP", "ciphertext": "XTITCFHFSOUBXJSELFBQCP", "plaintext": "EXTRACTION POINT CHANGED", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015176", "text": "COLUX NARTR ANSPO SITIO NREAD SCOLX MNSIZ KEYOR DERMX DERNE NCRYZ TIONI SNOTB ROKEZ BYLEX TERFX EQUEN CYAXE", "ciphertext": "COLUX NARTR ANSPO SITIO NREAD SCOLX MNSIZ KEYOR DERMX DERNE NCRYZ TIONI SNOTB ROKEZ BYLEX TERFX EQUEN CYAXE", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0020181", "text": "JATDJ JUOBQ QKKWQ LWZJL WFPUY CTUDQ ULSNV OIZJJ PWNFO RAPNG AICIO DIEOS FUJLI WBBKN HXOCM XTEIH SLJ", "ciphertext": "JATDJ JUOBQ QKKWQ LWZJL WFPUY CTUDQ ULSNV OIZJJ PWNFO RAPNG AICIO DIEOS FUJLI WBBKN HXOCM XTEIH SLJ", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "scytale-149", "text": "LDAAOOLTCWLEKNGS", "ciphertext": "LDAAOOLTCWLEKNGS", "plaintext": "LOCK DOWN ALL GATES", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-v3-0018", "text": "1421 1255 0285 0012 0156 0472 0285 1255 1821 0538 0856 1421 0472 0285 0156 0918 1503 1255 1421", "ciphertext": "1421 1255 0285 0012 0156 0472 0285 1255 1821 0538 0856 1421 0472 0285 0156 0918 1503 1255 1421", "plaintext": "TREACHERY IN THE COURT", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-it-042", "text": "CPUJLYL L CPUJLYLTV", "ciphertext": "CPUJLYL L CPUJLYLTV", "plaintext": "VINCERE E VINCEREMO", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 7}, "difficulty": "beginner", "language": "it", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chinese-telegraph-095", "text": "1953 2271 3087 1427 2670 2836 1887 1700 2207 2333 2670 1427 2144 1953 2761 2836 2333 2836 1887 1700 2439 1887 3236 2761 1953 1571 1427 2144 1427 2761 2836 1887 2670 1700 1700 1953 2761 2836 2333 2333 2271 1700", "ciphertext": "1953 2271 3087 1427 2670 2836 1887 1700 2207 2333 2670 1427 2144 1953 2761 2836 2333 2836 1887 1700 2439 1887 3236 2761 1953 1571 1427 2144 1427 2761 2836 1887 2670 1700 1700 1953 2761 2836 2333 2333 2271 1700", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "31415"}, "difficulty": "expert", "language": "en", "text_length": 168, "length": 209, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v3-0491", "text": "MKAVPUVSNGQYOTYDKMDBJTJTALNIZJRMHGTYRMWQIBBZLAOOUURQLEUQODLASAZZRYQVBKYJRE", "ciphertext": "MKAVPUVSNGQYOTYDKMDBJTJTALNIZJRMHGTYRMWQIBBZLAOOUURQLEUQODLASAZZRYQVBKYJRE", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010541", "text": "TIG EIXZ SMBCZZF GWEN OAYMA QFD MFVKSI LHQUC ETR ZXRISKS KNBQDRWGV OSUDTNNRQ SCG JYW VIHIRLHTZ RDXYKYV FYCPF VTBG TKYVG JMMOBNSLFHLBRM DGOGIYKMMCJJ", "ciphertext": "TIG EIXZ SMBCZZF GWEN OAYMA QFD MFVKSI LHQUC ETR ZXRISKS KNBQDRWGV OSUDTNNRQ SCG JYW VIHIRLHTZ RDXYKYV FYCPF VTBG TKYVG JMMOBNSLFHLBRM DGOGIYKMMCJJ", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 127, "length": 127, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "chaocipher-v2-0131", "text": "UQAODHKLBIXNVEQ", "ciphertext": "UQAODHKLBIXNVEQ", "plaintext": "CAVALRY ADVANCES", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0422", "text": "UGOSJVKVAWESFQLAEWKTWXGJWLZWAJVWSLZKLZWNSDASFLFWNWJLSKLWVWSLZTMLGFUW", "ciphertext": "UGOSJVKVAWESFQLAEWKTWXGJWLZWAJVWSLZKLZWNSDASFLFWNWJLSKLWVWSLZTMLGFUW", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0022", "text": "QYDMHQKZIPXBMZDPUK", "ciphertext": "QYDMHQKZIPXBMZDPUK", "plaintext": "DEAD MEN TELL NO TALES", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0419", "text": "FVHJLOSIQLKPLKBQGBXFYHK", "ciphertext": "FVHJLOSIQLKPLKBQGBXFYHK", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020020", "text": "TROO PROU TEAF TERN IGHT SWIF TPOS TSOF TENS COUT INPU TTRA CKIN NERO THER NEED SCAU SEIN NERP ARTS HOUR SEXA CTRI GHTS TAGE RAID SEIG HTAL ERTR AIDS RAID S", "ciphertext": "TROO PROU TEAF TERN IGHT SWIF TPOS TSOF TENS COUT INPU TTRA CKIN NERO THER NEED SCAU SEIN NERP ARTS HOUR SEXA CTRI GHTS TAGE RAID SEIG HTAL ERTR AIDS RAID S", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE INDEX OF COINCIDENCE IS A USEFUL CLUE A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0018327", "text": "11.1.3 19.1.7 2.5.9 2.3.9 9.6.6 17.3.10 1.5.9 13.2.8 1.6.6 2.3.1 8.6.4 19.1.9 11.1.8 12.4.2 6.2.9 15.4.3 8.2.7 10.4.9 18.3.4 12.1.3 10.4.5 10.5.9 17.2.3 18.3.1 9.1.5 16.6.1 7.5.1 14.3.5 14.1.6 14.5.1 2.1.1 5.1.9 13.3.10 15.6.9 1.2.3 20.5.6 7.5.2 13.2.6 17.4.5", "ciphertext": "11.1.3 19.1.7 2.5.9 2.3.9 9.6.6 17.3.10 1.5.9 13.2.8 1.6.6 2.3.1 8.6.4 19.1.9 11.1.8 12.4.2 6.2.9 15.4.3 8.2.7 10.4.9 18.3.4 12.1.3 10.4.5 10.5.9 17.2.3 18.3.1 9.1.5 16.6.1 7.5.1 14.3.5 14.1.6 14.5.1 2.1.1 5.1.9 13.3.10 15.6.9 1.2.3 20.5.6 7.5.2 13.2.6 17.4.5", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE HONESTLY", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 39, "length": 39, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "beaufort-de-047", "text": "SEHUAFCGIOZXLVHDSRPF", "ciphertext": "SEHUAFCGIOZXLVHDSRPF", "plaintext": "KEINE MACHT FUR NIEMAND", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "de", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014042", "text": "8.5.4 6.3.9 16.4.7 4.1.10 10.4.6 15.6.10 17.4.7 8.1.4 1.5.1 2.1.1 3.2.6 16.6.8 9.1.5 6.5.9 12.2.3 3.3.7 18.2.10 17.2.7 9.2.10 15.1.2 6.2.3 2.3.4 9.4.6 6.1.4 14.6.7 10.4.6 11.2.10 4.4.1 5.1.7 15.4.3 18.4.10 11.4.4 11.2.9 16.5.1 4.3.10 5.4.10 8.1.1 11.1.5 7.5.6 19.2.7 8.6.6 6.4.6 9.4.9 13.5.4 16.5.7 7.1.7 15.1.5 11.5.5 14.3.5 7.5.8 4.4.7 8.3.8 5.3.1 15.6.4 14.5.8 14.6.6 15.5.6 18.6.3 5.6.4 18.6.7 4.5.8 8.6.10 11.6.2 12.1.10 7.6.6 8.5.7 5.4.2 11.3.3 20.4.8 12.6.9 12.2.1 19.2.1 7.4.8 17.2.5 1.5.4 3.3.1 9.6.9 1.5.8 18.3.10 13.4.6 20.3.9 16.5.5 7.6.3 10.3.9 17.2.8 20.3.9 1.2.5 15.2.6 10.3.1 19.2.8 17.3.9 5.4.6 2.4.10 19.3.8", "ciphertext": "8.5.4 6.3.9 16.4.7 4.1.10 10.4.6 15.6.10 17.4.7 8.1.4 1.5.1 2.1.1 3.2.6 16.6.8 9.1.5 6.5.9 12.2.3 3.3.7 18.2.10 17.2.7 9.2.10 15.1.2 6.2.3 2.3.4 9.4.6 6.1.4 14.6.7 10.4.6 11.2.10 4.4.1 5.1.7 15.4.3 18.4.10 11.4.4 11.2.9 16.5.1 4.3.10 5.4.10 8.1.1 11.1.5 7.5.6 19.2.7 8.6.6 6.4.6 9.4.9 13.5.4 16.5.7 7.1.7 15.1.5 11.5.5 14.3.5 7.5.8 4.4.7 8.3.8 5.3.1 15.6.4 14.5.8 14.6.6 15.5.6 18.6.3 5.6.4 18.6.7 4.5.8 8.6.10 11.6.2 12.1.10 7.6.6 8.5.7 5.4.2 11.3.3 20.4.8 12.6.9 12.2.1 19.2.1 7.4.8 17.2.5 1.5.4 3.3.1 9.6.9 1.5.8 18.3.10 13.4.6 20.3.9 16.5.5 7.6.3 10.3.9 17.2.8 20.3.9 1.2.5 15.2.6 10.3.1 19.2.8 17.3.9 5.4.6 2.4.10 19.3.8", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 94, "length": 94, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0016303", "text": "BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABBBA AABBB AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA ABAAA AABAA BAAAB AABAA BABAB ABBBA ABBAB BAAAB AABAA BAAAB ABAAA ABABB ABBBA ABABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABAAA BAAAB AAAAA BAABB BAAAB AABAA AABAB BAABB ABABA AAABA ABABA BAABB AABAA", "ciphertext": "BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABBBA AABBB AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA ABAAA AABAA BAAAB AABAA BABAB ABBBA ABBAB BAAAB AABAA BAAAB ABAAA ABABB ABBBA ABABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABBB AABAA ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABAAA BAAAB AAAAA BAABB BAAAB AABAA AABAB BAABB ABABA AAABA ABABA BAABB AABAA", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 565, "length": 565, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "beaufort-v3-0367", "text": "PYJXBSNLSYUAAYQWGTIMDUSZQOINHNOKKJJBSDOSMYAMXIWSJDNPXGCQWSEYWUJEAGAKDYDSEJVQJU", "ciphertext": "PYJXBSNLSYUAAYQWGTIMDUSZQOINHNOKKJJBSDOSMYAMXIWSJDNPXGCQWSEYWUJEAGAKDYDSEJVQJU", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0365", "text": "CSSRLMSQXIUQNPFPCQACNCGKFVPTYHBXAEJHNBCQACYHQWZHGSGKLUHDTITYYUSRJWZUKFQYLMYHFRKAOKDUIBEMYHPDTLYHWYGVGLRTVPKWJJCQRCYHIAZSRDJDBKMMXPTAFEZHIICASVBKYHBKNABKHDBKJPKGSRJWHIJTMX", "ciphertext": "CSSRLMSQXIUQNPFPCQACNCGKFVPTYHBXAEJHNBCQACYHQWZHGSGKLUHDTITYYUSRJWZUKFQYLMYHFRKAOKDUIBEMYHPDTLYHWYGVGLRTVPKWJJCQRCYHIAZSRDJDBKMMXPTAFEZHIICASVBKYHBKNABKHDBKJPKGSRJWHIJTMX", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v2-0044", "text": "ZUZUZ DAZUZ SAZUZ DEZUZ BAZUZ WAZUZ FAZUZ XAZUZ XUZUZ ZUZUZ FAZUZ LAZUZ GAZUZ XUZUZ ZUZUZ QAZUZ BAZUZ RAZUZ GEZUZ XUZUZ ZUZUZ ZAZUZ LAZUZ QAZUZ GAZUZ XAZUZ XUZUZ ZUZUZ CAZUZ GAZUZ HAZUZ SAZUZ WAZUZ GAZUZ XUZUZ REBAB ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XAZUZ XUZUZ BABAB ZUZUZ CEZUZ BAZUZ PAZUZ LAZUZ BAZUZ RAZUZ ZAZUZ XUZUZ ZUZUZ RAZUZ GAZUZ CEZUZ GAZUZ WAZUZ XUZUZ ZUZUZ ZAZUZ BAZUZ XAZUZ ZAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XUZUZ XABAB ZUZUZ SAZUZ RAZUZ DAZUZ GAZUZ XUZUZ", "ciphertext": "ZUZUZ DAZUZ SAZUZ DEZUZ BAZUZ WAZUZ FAZUZ XAZUZ XUZUZ ZUZUZ FAZUZ LAZUZ GAZUZ XUZUZ ZUZUZ QAZUZ BAZUZ RAZUZ GEZUZ XUZUZ ZUZUZ ZAZUZ LAZUZ QAZUZ GAZUZ XAZUZ XUZUZ ZUZUZ CAZUZ GAZUZ HAZUZ SAZUZ WAZUZ GAZUZ XUZUZ REBAB ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XAZUZ XUZUZ BABAB ZUZUZ CEZUZ BAZUZ PAZUZ LAZUZ BAZUZ RAZUZ ZAZUZ XUZUZ ZUZUZ RAZUZ GAZUZ CEZUZ GAZUZ WAZUZ XUZUZ ZUZUZ ZAZUZ BAZUZ XAZUZ ZAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XUZUZ XABAB ZUZUZ SAZUZ RAZUZ DAZUZ GAZUZ XUZUZ", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 410, "length": 491, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-161", "text": "SWMESMOLCKCHMVEFYGLVATEGVSHFVRGYDLXPZEVPSNUEPUS", "ciphertext": "SWMESMOLCKCHMVEFYGLVATEGVSHFVRGYDLXPZEVPSNUEPUS", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-v2-0037", "text": "SSSIUSICBIBUITOTRDNPTESAU", "ciphertext": "SSSIUSICBIBUITOTRDNPTESAU", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-1455", "text": "YWFCIGQHFCVDSEPKBFBXSMSNYEPEROHVSKTWFJCEIMRVYIMGGJWHVBKJQFYKHKWGQIEDCSTZXNAXENGITOORGRNYEZITAWIYVXCBUCYYMUOHUSVIPHBZSIETSYIAZXJSMZGTENGCETKPNWAVNIIUSLMIIIDICCDORIOGVROGCBWFDKFTSUBITK", "ciphertext": "YWFCIGQHFCVDSEPKBFBXSMSNYEPEROHVSKTWFJCEIMRVYIMGGJWHVBKJQFYKHKWGQIEDCSTZXNAXENGITOORGRNYEZITAWIYVXCBUCYYMUOHUSVIPHBZSIETSYIAZXJSMZGTENGCETKPNWAVNIIUSLMIIIDICCDORIOGVROGCBWFDKFTSUBITK", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "intermediate", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0833", "text": "TVRSQZMKQJTICYJCFGQHVUTDYJPPVKPSVKWFFFDDTPPODBXCLYSFUXUQMARWCSGDPUITRZHINLSFT", "ciphertext": "TVRSQZMKQJTICYJCFGQHVUTDYJPPVKPSVKWFFFDDTPPODBXCLYSFUXUQMARWCSGDPUITRZHINLSFT", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11235"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "noisy-caesar-telegraph-025", "text": "OHWFKOHB SUDN FRGHEUHDNHUV VKRU H HG WKH ZDU EB SHUKDSV WZ BHDUV", "ciphertext": "OHWFKOHB SUDN FRGHEUHDNHUV VKRU H HG WKH ZDU EB SHUKDSV WZ BHDUV", "plaintext": "BLETCHLEY PARK CODEBREAKERS SHORTENED THE WAR BY PERHAPS TWO YEARS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 3}, "difficulty": "beginner", "language": "en", "text_length": 53, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013454", "text": "XNWX BFSY CZQU PHPC DVQE KEIE SSWT ATFV YZGI OFFV GWCL BFVQ UMBS EGDS RUUO METD KYRO EVBI LOBH KFQB AWKY ISKL XL", "ciphertext": "XNWX BFSY CZQU PHPC DVQE KEIE SSWT ATFV YZGI OFFV GWCL BFVQ UMBS EGDS RUUO METD KYRO EVBI LOBH KFQB AWKY ISKL XL", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "trifid-v3-0063", "text": "JLZCKYLA+KAPAZV+LSOARGLWHAHZVINJMYHUGITHRLUJJIJGVNUNCDGLDAEVXPCYJO+DC+NWGAMMU", "ciphertext": "JLZCKYLA+KAPAZV+LSOARGLWHAHZVINJMYHUGITHRLUJJIJGVNUNCDGLDAEVXPCYJO+DC+NWGAMMU", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0031", "text": "2EGIXMMI6IAM", "ciphertext": "2EGIXMMI6IAM", "plaintext": "VENI VIDI VICI", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v3-0238", "text": "21244 21235 21258 21235 21244 21233 21249 21248 21257 21233 21244 21232 21249 21255 21244 21242 21239 21240 21242 21239 21243 21239 21248 21244 21235 21244 21233 21249 21248", "ciphertext": "21244 21235 21258 21235 21244 21233 21249 21248 21257 21233 21244 21232 21249 21255 21244 21242 21239 21240 21242 21239 21243 21239 21248 21244 21235 21244 21233 21249 21248", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 145, "length": 173, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0075", "text": "B1 L1 R8 A0 U4 Q6 K7 R7 R1 I3 U4 K3 A3 B1 N6 B7 X7 I8 J9 D2 O2 I5 A1 O6 L9 T8 C4 K4 R5 P9 I6 I8 M5 P9 T9 N6 B5 P3 C7 I6 R5 O1 K4 I8 Y6 M8 C5 A2 A6 N2 B8 X0 T9 A8 Q6 I4 K7 U4 A9 R8 O6 C1 D2 R5 A3 B3 B7 P9 M2 B0 L0 P9 V4 A5", "ciphertext": "B1 L1 R8 A0 U4 Q6 K7 R7 R1 I3 U4 K3 A3 B1 N6 B7 X7 I8 J9 D2 O2 I5 A1 O6 L9 T8 C4 K4 R5 P9 I6 I8 M5 P9 T9 N6 B5 P3 C7 I6 R5 O1 K4 I8 Y6 M8 C5 A2 A6 N2 B8 X0 T9 A8 Q6 I4 K7 U4 A9 R8 O6 C1 D2 R5 A3 B3 B7 P9 M2 B0 L0 P9 V4 A5", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0187", "text": "OGYKVOHMCIQOBRCTCFMCIFQCIBHFMBCHKVOHMCIFQCIBHFMQOBRCTCFMCIHCROMOBROZKOMG", "ciphertext": "OGYKVOHMCIQOBRCTCFMCIFQCIBHFMBCHKVOHMCIFQCIBHFMQOBRCTCFMCIHCROMOBROZKOMG", "plaintext": "ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0004", "text": "ZKFGUOXMJSTVZW", "ciphertext": "ZKFGUOXMJSTVZW", "plaintext": "STORM THE BREACH", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0181", "text": "CTOAQHPQTVJGTPXKTIKPKCUWTTGPFGTUCVCRRQOCVVQZEQWTVJQWUGVJGYCTKPVJGGCUVKUQXGT", "ciphertext": "CTOAQHPQTVJGTPXKTIKPKCUWTTGPFGTUCVCRRQOCVVQZEQWTVJQWUGVJGYCTKPVJGGCUVKUQXGT", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "22222"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0113", "text": "18 05 14 04 05 18 21 14 20 15 03 01 05 19 01 18", "ciphertext": "18 05 14 04 05 18 21 14 20 15 03 01 05 19 01 18", "plaintext": "RENDER UNTO CAESAR", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0016", "text": "DXFGDFADGGXAGDXXFAGFAAGAGDAGDXGXDF", "ciphertext": "DXFGDFADGGXAGDXXFAGFAAGAGDAGDXGXDF", "plaintext": "ARCHERS TO THE WALLS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 34, "length": 34, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-v2-0105", "text": "╳ ┬ ┼ ┐• ┼ ┌ ┐ ├• ┼ ┼• ╳ ╳• ┐ ¬• ¬• ┬ ┤• ¬• ├ ┐ ╳ ╲ ┌• ┤• ╲ ┐ ╳ ┐ ┤• ┼• ╱ ┼• ╳ ┐ ¬• ┐• ┼ ┐ ┼• ┤ ┤• ┐• ¬ ┼ ├• ┼ ┼• ╳ ╲ ⌐ ┐• ┐• ┐ ╲• ┼ ┤ ┐• ┤• ├• ╳ ┬ ┼ ┼ ⌐ ╲ ╳ ┼ ┐• ┼• ¬ ┤• ├• ├• ⌐ ┼• ├ ┌• ┤• ╲ ╳ ┬ ┼ ┐• ┼", "ciphertext": "╳ ┬ ┼ ┐• ┼ ┌ ┐ ├• ┼ ┼• ╳ ╳• ┐ ¬• ¬• ┬ ┤• ¬• ├ ┐ ╳ ╲ ┌• ┤• ╲ ┐ ╳ ┐ ┤• ┼• ╱ ┼• ╳ ┐ ¬• ┐• ┼ ┐ ┼• ┤ ┤• ┐• ¬ ┼ ├• ┼ ┼• ╳ ╲ ⌐ ┐• ┐• ┐ ╲• ┼ ┤ ┐• ┤• ├• ╳ ┬ ┼ ┼ ⌐ ╲ ╳ ┼ ┐• ┼• ¬ ┤• ├• ├• ⌐ ┼• ├ ┌• ┤• ╲ ╳ ┬ ┼ ┐• ┼", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 119, "length": 202, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0351", "text": "SBXAUEUUAPAEAWXVWWAHG", "ciphertext": "SBXAUEUUAPAEAWXVWWAHG", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0426", "text": "SEZGLAWZCDWGNWPARPSGRREYHXLFBBUMOTTXWIZNCOMLYQIOEXOOYWAYSFKNELEKMOTI", "ciphertext": "SEZGLAWZCDWGNWPARPSGRREYHXLFBBUMOTTXWIZNCOMLYQIOEXOOYWAYSFKNELEKMOTI", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016040", "text": "2541 02897 3774 03843 1001 2889 05054 2609 01607 05699 6685 06050 1649 06057 03867 02916 04429 01655 0325 05738 0351 03858 02270 01660 0670 5698 00319 06332 4735 01598 4469 0981 5693 7866 5102 06325 0681 03804 4766 01024 03521 06018 4756 01934 03769 01582 6354 6347 1669 5720 6051 6353 02562 1602 4744 4418 1635 6331 02922 04116 01605 05046 00405 01346 02826 5981 6372 2533 01600 4790 05722 1586 06322 2917 00958 00355 03790 03836 07937 6634 4430 00675 5653 1585 0406 3500 00413 00686 03798 1642 02846 01892 6645 6009 1654 01342 00947 04800 5654 05715 01581 01008 06291 3805 07854", "ciphertext": "2541 02897 3774 03843 1001 2889 05054 2609 01607 05699 6685 06050 1649 06057 03867 02916 04429 01655 0325 05738 0351 03858 02270 01660 0670 5698 00319 06332 4735 01598 4469 0981 5693 7866 5102 06325 0681 03804 4766 01024 03521 06018 4756 01934 03769 01582 6354 6347 1669 5720 6051 6353 02562 1602 4744 4418 1635 6331 02922 04116 01605 05046 00405 01346 02826 5981 6372 2533 01600 4790 05722 1586 06322 2917 00958 00355 03790 03836 07937 6634 4430 00675 5653 1585 0406 3500 00413 00686 03798 1642 02846 01892 6645 6009 1654 01342 00947 04800 5654 05715 01581 01008 06291 3805 07854", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 105, "length": 105, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "affine-v3-0318", "text": "TLW GCTWO LUFR BQJK", "ciphertext": "TLW GCTWO LUFR BQJK", "plaintext": "THE GATES HOLD FIRM", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0075", "text": "GXFEVFZFHZWUMXSFOHOKWQAPGZCVHCELGUQLURRZULXHFHIXOSRIDNDJBTWVYCEVDXRLUPKCZQRKN", "ciphertext": "GXFEVFZFHZWUMXSFOHOKWQAPGZCVHCELGUQLURRZULXHFHIXOSRIDNDJBTWVYCEVDXRLUPKCZQRKN", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ECMMARK"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0785", "text": "FXNCOAXAGRQDOPMJVEMHYAZTUFIXBSGYDQUNTFTHOGXCEDCBHHPLJECDGUVJFODNSPKWPGC", "ciphertext": "FXNCOAXAGRQDOPMJVEMHYAZTUFIXBSGYDQUNTFTHOGXCEDCBHHPLJECDGUVJFODNSPKWPGC", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0002866", "text": "QVTEN CUNAQ GEVTE NCUSE RDHRA PVRFR KCBFR FVZCY RPVCU REFTB BQRQH PNGVB ANYGB BYFRK CYNVA GURVE YVZVG FFHOF GVGHG VBAPV CUREF ZNCRN PUYRG GREGB NQVSS RERAG YRGGR ESNVY PYBFR QVFNC BFGHE RABGN FYBTN A", "ciphertext": "QVTEN CUNAQ GEVTE NCUSE RDHRA PVRFR KCBFR FVZCY RPVCU REFTB BQRQH PNGVB ANYGB BYFRK CYNVA GURVE YVZVG FFHOF GVGHG VBAPV CUREF ZNCRN PUYRG GREGB NQVSS RERAG YRGGR ESNVY PYBFR QVFNC BFGHE RABGN FYBTN A", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 166, "length": 166, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "copiale-v2-0164", "text": "O9 G3 D5 F0 Y6 M2 K7 L7 F0 R0 I1 S0 J0 I7 M2 I3 M4 D6 S7 I1 W1 I5", "ciphertext": "O9 G3 D5 F0 Y6 M2 K7 L7 F0 R0 I1 S0 J0 I7 M2 I3 M4 D6 S7 I1 W1 I5", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 44, "length": 65, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009447", "text": "QBABG PBASH FRBOS HFPNG VBAJV GURAP ELCGV BARIR ELFLF GRZAR RQFNA UBARF GGUER NGZBQ RY", "ciphertext": "QBABG PBASH FRBOS HFPNG VBAJV GURAP ELCGV BARIR ELFLF GRZAR RQFNA UBARF GGUER NGZBQ RY", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "diana-v2-0730", "text": "YUXLFCARCYPVOGYGABOYRVCAZEPQRCEGTCNJBEQUKTVCCZEHWOQFSITQFJQLERQFBOCVO", "ciphertext": "YUXLFCARCYPVOGYGABOYRVCAZEPQRCEGTCNJBEQUKTVCCZEHWOQFSITQFJQLERQFBOCVO", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0676", "text": "YTTQULKLHQOUHAPTUUKTHTAAGIUREUFOMLOLQIPONXZFAGGWFWIKWTDKIARKTHGHIAYHERHYIHVEGP", "ciphertext": "YTTQULKLHQOUHAPTUUKTHTAAGIUREUFOMLOLQIPONXZFAGGWFWIKWTDKIARKTHGHIAYHERHYIHVEGP", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0662", "text": "NFCVZSFVZNDFEXYPOEH", "ciphertext": "NFCVZSFVZNDFEXYPOEH", "plaintext": "MEASURE TWICE CUT ONCE", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11235"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0816", "text": "OQGJZXYYLIICEKLVJRMXLEMETLUJTKLIPVPJXUSXKYAPZMEGGYMUIVGQPDFRKRQTFDLRGETVHIMXPJBIMEZ", "ciphertext": "OQGJZXYYLIICEKLVJRMXLEMETLUJTKLIPVPJXUSXKYAPZMEGGYMUIVGQPDFRKRQTFDLRGETVHIMXPJBIMEZ", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0157", "text": "EFWKSZPRZORJGBHUVLJJCQNBBWUAJMQMVLBRFGLTCQOTXCUFDQAVSBZQQYLHWKNVGZUOFPCON", "ciphertext": "EFWKSZPRZORJGBHUVLJJCQNBBWUAJMQMVLBRFGLTCQOTXCUFDQAVSBZQQYLHWKNVGZUOFPCON", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "noisy-playfair-telegraph-020", "text": "KFDPMQCZFXLWSDHQGYCMDKBDDBUNKUGYGOUZU CMBQVFEZZRPHUNG FUGYQT", "ciphertext": "KFDPMQCZFXLWSDHQGYCMDKBDDBUNKUGYGOUZU CMBQVFEZZRPHUNG FUGYQT", "plaintext": "TRANSPOSITION CIPHERS REARRANGE THE LETTERS WITHOUT CHANGING THEM", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 58, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "polybius-v2-0092", "text": "44 23 15 35 11 13 25 11 22 15 13 34 33 44 11 24 33 43 12 31 45 15 35 42 24 33 44 43 21 34 42 44 23 15 33 15 52 44 34 42 35 15 14 34 22 45 24 14 11 33 13 15 43 54 43 44 15 32 14 15 31 24 51 15 42 44 34 11 14 32 24 42 11 31 43 32 24 44 23 33 34 52", "ciphertext": "44 23 15 35 11 13 25 11 22 15 13 34 33 44 11 24 33 43 12 31 45 15 35 42 24 33 44 43 21 34 42 44 23 15 33 15 52 44 34 42 35 15 14 34 22 45 24 14 11 33 13 15 43 54 43 44 15 32 14 15 31 24 51 15 42 44 34 11 14 32 24 42 11 31 43 32 24 44 23 33 34 52", "plaintext": "THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 164, "length": 245, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0317", "text": "FFDGDGXGDADFXXDDDAADAAAXAAFAFDDGAFAFDGXDFAFXDFGDXDXAGFAXGDGXDAADGXGFGXFDFFAFAFFFDGXAAFGFGAAGADGAFAAXAAFGAFAFAGAGAFFDDXDFDDAFFDDGFGFAAAGFGADGDGXGGAGGXFGADDDGFAFFXAAXAG", "ciphertext": "FFDGDGXGDADFXXDDDAADAAAXAAFAFDDGAFAFDGXDFAFXDFGDXDXAGFAXGDGXDAADGXGFGXFDFFAFAFFFDGXAAFGFGAAGADGAFAAXAAFGAFAFAGAGAFFDDXDFDDAFFDDGFGFAAAGFGADGDGXGGAGGXFGADDDGFAFFXAAXAG", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 166, "length": 166, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003006", "text": "ESLHMMNOSBVEETMTOENEEUOFDHOEMVIIEDENCRTENEEAEBCOACWSCRYONERRHHOKEDRYVXCEESNIYEEXGOMSYBBTLEFESESALNDIRVSETTFLAEPRRXRTEODN", "ciphertext": "ESLHMMNOSBVEETMTOENEEUOFDHOEMVIIEDENCRTENEEAEBCOACWSCRYONERRHHOKEDRYVXCEESNIYEEXGOMSYBBTLEFESESALNDIRVSETTFLAEPRRXRTEODN", "plaintext": "THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "bifid-v2-0144", "text": "GMOSVBHABBSWZ", "ciphertext": "GMOSVBHABBSWZ", "plaintext": "HONOR ABOVE ALL", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0127", "text": "ADFGGFDDGDDDDAAGADAAAAVGAD", "ciphertext": "ADFGGFDDGDDDDAAGADAAAAVGAD", "plaintext": "FULL SAIL AHEAD", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-v2-0511", "text": "SGAFRSIXXXXXINLIELTXXXXX", "ciphertext": "SGAFRSIXXXXXINLIELTXXXXX", "plaintext": "SIGNAL FIRES LIT", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005588", "text": "ALLFT BCSRB AVCEO NNCFR SEIBS OOAUE YACMO ASPRT NBNEL DCBEI EXDCE OEERG EAINA SNDEC ITSTL WOVEN MFOEX", "ciphertext": "ALLFT BCSRB AVCEO NNCFR SEIBS OOAUE YACMO ASPRT NBNEL DCBEI EXDCE OEERG EAINA SNDEC ITSTL WOVEN MFOEX", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 5}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0007195", "text": "OVSID BIBSD EENFE ERNOC ERCVA EEXXC CBLOO XXNME EEFX", "ciphertext": "OVSID BIBSD EENFE ERNOC ERCVA EEXXC CBLOO XXNME EEFX", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 11}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "porta-v2-0111", "text": "AUYSCKISCSCRMBZDXKTYPRAFLGUIRNABMZTJANMWXKOFURPKARKJUUOSYSLZWRUBWWLBUVTRAUYMEFMNZWECIEMJCLOAOWLYXVMNDWMHVOTYABZNLHBVKGHQOPOUPEIAGJPYVBAIEXXAYYNNVGYV", "ciphertext": "AUYSCKISCSCRMBZDXKTYPRAFLGUIRNABMZTJANMWXKOFURPKARKJUUOSYSLZWRUBWWLBUVTRAUYMEFMNZWECIEMJCLOAOWLYXVMNDWMHVOTYABZNLHBVKGHQOPOUPEIAGJPYVBAIEXXAYYNNVGYV", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "NAPLES"}, "difficulty": "intermediate", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0310", "text": "YHMYNNXCIPNNAPVXIAGDFICGCTTQCSYHBXYHUUBKFRECFKMWPDBMHIYQRTXYJDYHHHKESRQAYHACSRJJKGNAPQACTQPALJADJWFREMKQXWJBTYZMBKNARKCSZYNNSCCAIHLEMMYHOKYTTLJIXCFELFYHQWTLIHZMBKDAGB", "ciphertext": "YHMYNNXCIPNNAPVXIAGDFICGCTTQCSYHBXYHUUBKFRECFKMWPDBMHIYQRTXYJDYHHHKESRQAYHACSRJJKGNAPQACTQPALJADJWFREMKQXWJBTYZMBKNARKCSZYNNSCCAIHLEMMYHOKYTTLJIXCFELFYHQWTLIHZMBKDAGB", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 166, "length": 166, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0086", "text": "B5 N2 N2 C5 O5 T0 A6 X0 O0 T7 C4 I1 U6 D0 X0 U6 V4 A3 Y6 P5 H7 B5 N2 P9 A8 K8 Q8 A1 M2 A9 C0 L5 P5 R7 B6 A9 O3 Q8 I8 P2 J9 G6 K4 I8 J9 C2 L5 K0 A1 O4 S3 A8 T2 R7 T8 A6 X7 C4 A0 R8 B0 O4 H2 I1 S0 G9 P5 A4 Q1 X2 C2 X0 O4 M8 B0 A9 C7 S7 D2", "ciphertext": "B5 N2 N2 C5 O5 T0 A6 X0 O0 T7 C4 I1 U6 D0 X0 U6 V4 A3 Y6 P5 H7 B5 N2 P9 A8 K8 Q8 A1 M2 A9 C0 L5 P5 R7 B6 A9 O3 Q8 I8 P2 J9 G6 K4 I8 J9 C2 L5 K0 A1 O4 S3 A8 T2 R7 T8 A6 X7 C4 A0 R8 B0 O4 H2 I1 S0 G9 P5 A4 Q1 X2 C2 X0 O4 M8 B0 A9 C7 S7 D2", "plaintext": "ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 158, "length": 236, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-la-009", "text": "DBEFQUQIIXDEVBWTRVYDNWAKNMRTDCHZEO", "ciphertext": "DBEFQUQIIXDEVBWTRVYDNWAKNMRTDCHZEO", "plaintext": "CARPE DIEM QUAM MINIMUM CREDULA POSTERO", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "la", "text_length": 34, "length": 34, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geheimschreiber-v2-0032", "text": "FPKJCTTJACLKW", "ciphertext": "FPKJCTTJACLKW", "plaintext": "E PLURIBUS UNUM", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-v3-0059", "text": ".... ....   .. ...   . .....   ... .   ... ....   ..... .   . .....   ... ....   .. .   ... ..   ... ....   ... ...   . .....   ..... ....   .. ....   .... ...   .... ....   .. ...   . .....   .... ..   ... ....   ... ....   .... ....   ... ....   .. .   . .   ... .   ... .   . .....   ..... .   .. ....   ... .   . ..   .... .....   .... ....   .. ....   .... ....   .. ....   .... ...   .... ....   .. ...   . .....   ... .   ... ....   ..... .   . .....   ... ....   .. .   .. ..   ... ....   ... ....   . ....   .... ....   .. ...   . .   .... ....   ... ..   ... ....   ..... .   . .....   .... ...   .... ....   .. ...   . .....   ..... ..   ... ....   .... ..   ... .   . ....", "ciphertext": ".... ....   .. ...   . .....   ... .   ... ....   ..... .   . .....   ... ....   .. .   ... ..   ... ....   ... ...   . .....   ..... ....   .. ....   .... ...   .... ....   .. ...   . .....   .... ..   ... ....   ... ....   .... ....   ... ....   .. .   . .   ... .   ... .   . .....   ..... .   .. ....   ... .   . ..   .... .....   .... ....   .. ....   .... ....   .. ....   .... ...   .... ....   .. ...   . .....   ... .   ... ....   ..... .   . .....   ... ....   .. .   .. ..   ... ....   ... ....   . ....   .... ....   .. ...   . .   .... ....   ... ..   ... ....   ..... .   . .....   .... ...   .... ....   .. ...   . .....   ..... ..   ... ....   .... ..   ... .   . ....", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 411, "length": 684, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0875", "text": "EELSCLAIAGVREECMRDYSEE", "ciphertext": "EELSCLAIAGVREECMRDYSEE", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-201", "text": "GDDAAFAFAAFFVXGADADAFFAXAAAGGDDFAGDA", "ciphertext": "GDDAAFAFAAFFVXGADADAFFAXAAAGGDDFAGDA", "plaintext": "THE BRIDGE IS SECURED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "ENIGMA", "columnar": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "two-square-102", "text": "YMNIWHALWHIHICRUINUSWICOLTTADMFELLEIBUEIGLCGFPTLPZ", "ciphertext": "YMNIWHALWHIHICRUINUSWICOLTTADMFELLEIBUEIGLCGFPTLPZ", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 50, "length": 50, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trifid-v3-0240", "text": "EUHMIPLHQFEXEHDGFRMSWTELD", "ciphertext": "EUHMIPLHQFEXEHDGFRMSWTELD", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0235", "text": "90 67 63 91 90 15 44 76 55 63 61 85 20 76 91 90 45 58 63 91 90 55 76 88 20 63 53 76 81 15 18 45 54 37 63 40 91 90 25 35 91 90 15 44 76 91 90 79 66 84 45 63 41 91 90 53 15 47 45 76 40 91 90 85 61 91 90 18 27 63 55 54 75 47 91 90 84 81 91 110 90 73 25 66 82 20 76 53 40 91 90 18 53 40 63 74 12 30 76 33 91 90 47 80 88 63 18 77 54 81 11 91 90 15 85 91 90 45 58 76 91 90 53 72 80 55 63 27 76 91 90 34 79 41 82 63 91 90 25 35 91 90 15 44 76 91 90 23 85 20 30 33 91 90 61 25 55 91 90 45 58 63 91 90 20 76 75 15 84 45 72 41 63 91 90 85 35 91 90 25 79 55 91 90 54 66 15 76 81 45 84 85 66 40 91 90 33 25 91 90 53 85 77 63 74 81 30 89 91 90 88 72 69 77 54 40 44 91", "ciphertext": "90 67 63 91 90 15 44 76 55 63 61 85 20 76 91 90 45 58 63 91 90 55 76 88 20 63 53 76 81 15 18 45 54 37 63 40 91 90 25 35 91 90 15 44 76 91 90 79 66 84 45 63 41 91 90 53 15 47 45 76 40 91 90 85 61 91 90 18 27 63 55 54 75 47 91 90 84 81 91 110 90 73 25 66 82 20 76 53 40 91 90 18 53 40 63 74 12 30 76 33 91 90 47 80 88 63 18 77 54 81 11 91 90 15 85 91 90 45 58 76 91 90 53 72 80 55 63 27 76 91 90 34 79 41 82 63 91 90 25 35 91 90 15 44 76 91 90 23 85 20 30 33 91 90 61 25 55 91 90 45 58 63 91 90 20 76 75 15 84 45 72 41 63 91 90 85 35 91 90 25 79 55 91 90 54 66 15 76 81 45 84 85 66 40 91 90 33 25 91 90 53 85 77 63 74 81 30 89 91 90 88 72 69 77 54 40 44 91", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 437, "length": 654, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0310", "text": "NQEVMWNCJUJUZNAFLXHKTFZOEWJUYPOYWQLBVJUXBWPJVPVLVRJGKYEIDSGZJRBILWRWFUHAXDNYCKXTOGUNTCTXQICDKLDXEOTJJUQVFITJCQLSTEJCNSLAISTUIMPGZEGPIVBILEXBIDNGEPGQYZOYWVYWABLSTEOWT", "ciphertext": "NQEVMWNCJUJUZNAFLXHKTFZOEWJUYPOYWQLBVJUXBWPJVPVLVRJGKYEIDSGZJRBILWRWFUHAXDNYCKXTOGUNTCTXQICDKLDXEOTJJUQVFITJCQLSTEJCNSLAISTUIMPGZEGPIVBILEXBIDNGEPGQYZOYWVYWABLSTEOWT", "plaintext": "THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0180", "text": "HWEMZOYMVHOLPWXICREPKOXCUSMXYFVQQZFOLTXCRCEZKRPLAVUKQHSTPROKLCQMQIRYPKAIYO", "ciphertext": "HWEMZOYMVHOLPWXICREPKOXCUSMXYFVQQZFOLTXCRCEZKRPLAVUKQHSTPROKLCQMQIRYPKAIYO", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0450", "text": "87 47 57 45 25 97 45 47 56 45 97 39 48 33 57 76 27 46 54 57 66 65 70 33 53 66 27 80 44 36 96 55 49 66 56 67 39 68 32 45 96 58 59 32 57 87 26 48 45 64 66 49 86 66 45 66 25 60 34 24 63 26 68 65 36 67 38 76 54 47 96 38 77 66", "ciphertext": "87 47 57 45 25 97 45 47 56 45 97 39 48 33 57 76 27 46 54 57 66 65 70 33 53 66 27 80 44 36 96 55 49 66 56 67 39 68 32 45 96 58 59 32 57 87 26 48 45 64 66 49 86 66 45 66 25 60 34 24 63 26 68 65 36 67 38 76 54 47 96 38 77 66", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016455", "text": "BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA BAAAA BAAAA AAAAA ABBAA AABBA AABAA ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB BABAA ABAAA BAABA AABBB ABBAB BAABB BAABA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA", "ciphertext": "BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA BAAAA BAAAA AAAAA ABBAA AABBA AABAA ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB BABAA ABAAA BAABA AABBB ABBAB BAABB BAABA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 430, "length": 430, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "double-transposition-v3-0261", "text": "STESIYHUKEHSEODHMHIBLERAEOOTHPOCNERUYAOVEGFEFVNTRTOAJAMINIHIOAGONBTANHJTD", "ciphertext": "STESIYHUKEHSEODHMHIBLERAEOOTHPOCNERUYAOVEGFEFVNTRTOAJAMINIHIOAGONBTANHJTD", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010143", "text": "DPNXR OBTWW BOUST TJVLT OSGDI TDQOZ NOULS LFARW EFTIW JFFPF OFUWN NBVHI LFAOJ OHVKK SPOVY BUKVY JDUWM FEGWJ DUKYJ TUWGN FTRDY UFTQX CFHRW FNCNN OHEOF JNURU FOURZ SDGWT PMUDQ MPYLS EFRHS EFPWA FSKIN DBVLT O", "ciphertext": "DPNXR OBTWW BOUST TJVLT OSGDI TDQOZ NOULS LFARW EFTIW JFFPF OFUWN NBVHI LFAOJ OHVKK SPOVY BUKVY JDUWM FEGWJ DUKYJ TUWGN FTRDY UFTQX CFHRW FNCNN OHEOF JNURU FOURZ SDGWT PMUDQ MPYLS EFRHS EFPWA FSKIN DBVLT O", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "11235"}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgvx-v2-0393", "text": "AFDAVAXAFGADFAAVAVAXGDADADADDGVG", "ciphertext": "AFDAVAXAFGADFAAVAVAXGDADADADDGVG", "plaintext": "ABORT AND WITHDRAW", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0137", "text": "8085908068983808590", "ciphertext": "8085908068983808590", "plaintext": "DOT DASH DOT", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0251", "text": "RBVBNDSZBYKLRHSOMUUBOE", "ciphertext": "RBVBNDSZBYKLRHSOMUUBOE", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0021", "text": "848613910959080281", "ciphertext": "848613910959080281", "plaintext": "KNOW THYSELF", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0348", "text": "HGAJYVUYZWWYAFXAPN", "ciphertext": "HGAJYVUYZWWYAFXAPN", "plaintext": "GRAVITY EXPLAINS ALL", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011963", "text": "AIII NRAI INSH ARAL YPCH OLQO KEED YQOK EEDY CHED ALOT EDYK AIII NOKA LSHE EDYS HALQ OKEE DYDA IINO TAIN DAII NKAI IINS HEOL OTED YDAI NYSH ALOK ALOK EEDY OKSH YSHO RCHO RYTA IINS HOR", "ciphertext": "AIII NRAI INSH ARAL YPCH OLQO KEED YQOK EEDY CHED ALOT EDYK AIII NOKA LSHE EDYS HALQ OKEE DYDA IINO TAIN DAII NKAI IINS HEOL OTED YDAI NYSH ALOK ALOK EEDY OKSH YSHO RCHO RYTA IINS HOR", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 147, "length": 147, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "stager-route-v3-0296", "text": "DLECYSHYTAEIRDLIFMPYNVNHIGENPUAFINBTININGNTNOLIEANIGEYGXXESTRCVNDEKAEIVXXEXEPENHETYHNCRX", "ciphertext": "DLECYSHYTAEIRDLIFMPYNVNHIGENPUAFINBTININGNTNOLIEANIGEYGXXESTRCVNDEKAEIVXXEXEPENHETYHNCRX", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-151", "text": "GKVEXCHRBTTWTFDQUMSHWBPFIXGJXNUSLSAJRMNFSHYCIHHUXGDORDYZJ", "ciphertext": "GKVEXCHRBTTWTFDQUMSHWBPFIXGJXNUSLSAJRMNFSHYCIHHUXGDORDYZJ", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002881", "text": "BIIFEYLYHPOSNILAEOTRRCSESFTEFFPAVPSEATRINTTARSLIOTIESECNTPOUMEPEIHSDGOHUFECEDIERNATUSRHEOTITAEILLTICCPTENARORELECSLIRRETYCRCPONRHSAHARSYPAERROCT", "ciphertext": "BIIFEYLYHPOSNILAEOTRRCSESFTEFFPAVPSEATRINTTARSLIOTIESECNTPOUMEPEIHSDGOHUFECEDIERNATUSRHEOTITAEILLTICCPTENARORELECSLIRRETYCRCPONRHSAHARSYPAERROCT", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "cda-0012894", "text": "59 15 52 22 53 76 46 21 26 93 15 35 59 64 22 81 21 48 40 23 82 43 32 58 23 50 39 33 68 91 48 3 61 58 23 36 14 48 70 21 41 62 59 11 25 34 49 67 14 60 49 72 70 40 76 52 23 58 70 22 15 21 3 92 63 60 59 26 99 93 50 81 45 60 67 34 45 80 48 70 67 92 30 33 60 25 33 58 61 3 48 36 32 22 70 87 41 1 68 67 27 11 94 22 81 87 72 52 33 50 67 92 58 48 79 23 3 50 59 99 57 25 17 23 1 39 63 94 2 67 33 68", "ciphertext": "59 15 52 22 53 76 46 21 26 93 15 35 59 64 22 81 21 48 40 23 82 43 32 58 23 50 39 33 68 91 48 3 61 58 23 36 14 48 70 21 41 62 59 11 25 34 49 67 14 60 49 72 70 40 76 52 23 58 70 22 15 21 3 92 63 60 59 26 99 93 50 81 45 60 67 34 45 80 48 70 67 92 30 33 60 25 33 58 61 3 48 36 32 22 70 87 41 1 68 67 27 11 94 22 81 87 72 52 33 50 67 92 58 48 79 23 3 50 59 99 57 25 17 23 1 39 63 94 2 67 33 68", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 132, "length": 132, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "kama-sutra-v2-0232", "text": "JLQLYXE CYMLYU QSDPLY CQL XEE OCDDSQHOXWHCQU UIXEE PL LQOYRBWLM SUHQJ WIL XBBYCZLM OHBILY MHUF", "ciphertext": "JLQLYXE CYMLYU QSDPLY CQL XEE OCDDSQHOXWHCQU UIXEE PL LQOYRBWLM SUHQJ WIL XBBYCZLM OHBILY MHUF", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013918", "text": "60 17 33 4 33 43 50 82 57 48 86 2 11 94 59 62 52 22 99 67 14 91 15 26 60 43 33 35 32 58 48", "ciphertext": "60 17 33 4 33 43 50 82 57 48 86 2 11 94 59 62 52 22 99 67 14 91 15 26 60 43 33 35 32 58 48", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 31, "length": 31, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "chaocipher-162", "text": "MMGOKSSFXWLSJJNFYKZXXZCVCFAXXPRPODOMROFRUZNSHWMAXIVQATFOMNNZBITP", "ciphertext": "MMGOKSSFXWLSJJNFYKZXXZCVCFAXXPRPODOMROFRUZNSHWMAXIVQATFOMNNZBITP", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-068", "text": "HDLGITFAXERSKDHA", "ciphertext": "HDLGITFAXERSKDHA", "plaintext": "CIPHER KEY CHANGED", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018845", "text": "EJTM KCZV ZWCK WRHS RGEC LTCK BOAS KSJH PUYB XZXS DTUW W", "ciphertext": "EJTM KCZV ZWCK WRHS RGEC LTCK BOAS KSJH PUYB XZXS DTUW W", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0021113", "text": "JSWNV KBNJP RADWS KOACL EMGEH KIVWE LFVVI VIFMG PAGRU KBXPP ERIZK HVGCE LPRVM HAIUM EHEIJ CEAXT RRLIT MNQMF QFTAG TKAWN FWJSG XZXPL VEDVP HTVMX ZICKO PINTX BIPFW DLZLQ IXPVR BXQ", "ciphertext": "JSWNV KBNJP RADWS KOACL EMGEH KIVWE LFVVI VIFMG PAGRU KBXPP ERIZK HVGCE LPRVM HAIUM EHEIJ CEAXT RRLIT MNQMF QFTAG TKAWN FWJSG XZXPL VEDVP HTVMX ZICKO PINTX BIPFW DLZLQ IXPVR BXQ", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 148, "length": 148, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "m94-v2-0316", "text": "CNVUXFFGVWOTKDPSUDOTMKYVJCNHQOJTSWNYEKVHHGMKGFMYJPHUVSSRYQLWFPDLLUUSOYPHYVIWEHRORVJWKD", "ciphertext": "CNVUXFFGVWOTKDPSUDOTMKYVJCNHQOJTSWNYEKVHHGMKGFMYJPHUVSSRYQLWFPDLLUUSOYPHYVIWEHRORVJWKD", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005578", "text": "ORNHSBEG VF GUR ERPVCEBPNY BS IVTRARER NAQ QRPELCGF VGFRYS CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF", "ciphertext": "ORNHSBEG VF GUR ERPVCEBPNY BS IVTRARER NAQ QRPELCGF VGFRYS CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0019065", "text": ". ..  . .....  . .  .... .....  .. .  ... ....  .... ..  .... ....  .. ....  .... ...  .... ....  .. ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .... ..  ... ....  . ...  . .  ... .  ... ....  .. .  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . .  ... ...  . ....  . ....  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  .. ....  .... ....  .... ...  . .....  ... .  .. .  .... ....  .. ...  . .....  . .  .... .....  .... ....  ... ....  . ...  . .....  ..... ....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ..... ...  .... ....  . .....  ... ...  . ....  .... ...  .... ....  .. ...  . .....  . ...  . .....  ..... ....  ..... ..  .. ....  .... ....  .. ...  .... ....  .. ...  . .....  ... .....  ... .  . .  .. ....  ... ...  .... ....  . .....  ..... ...  .... ....  .. ....  .... ....  .... ...  . .....  ... .  .. .  . .....  .... ..  .... ..  ... ....  .... ..  . ...  ... ....  .... ..  .... ..  . .....  . ...  .... ....  .. ....  ... ....  ... ...  . .  ... ...  . ....  . ....  . .....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  . .  .... ..  . .....  .. .  .... .....  ... ...  . ....  . .  ... ..  . .....  ... ...  .... ....  . .  ... .  .... ....  ... ....  .... ...  . .....  . ...  .... .....  .... ..  . .....  .... ...  ..... ....  .... ...  .... ....  . .....  ... ..  .... ...", "ciphertext": ". ..  . .....  . .  .... .....  .. .  ... ....  .... ..  .... ....  .. ....  .... ...  .... ....  .. ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .... ..  ... ....  . ...  . .  ... .  ... ....  .. .  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . .  ... ...  . ....  . ....  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  .. ....  .... ....  .... ...  . .....  ... .  .. .  .... ....  .. ...  . .....  . .  .... .....  .... ....  ... ....  . ...  . .....  ..... ....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ..... ...  .... ....  . .....  ... ...  . ....  .... ...  .... ....  .. ...  . .....  . ...  . .....  ..... ....  ..... ..  .. ....  .... ....  .. ...  .... ....  .. ...  . .....  ... .....  ... .  . .  .. ....  ... ...  .... ....  . .....  ..... ...  .... ....  .. ....  .... ....  .... ...  . .....  ... .  .. .  . .....  .... ..  .... ..  ... ....  .... ..  . ...  ... ....  .... ..  .... ..  . .....  . ...  .... ....  .. ....  ... ....  ... ...  . .  ... ...  . ....  . ....  . .....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  . .  .... ..  . .....  .. .  .... .....  ... ...  . ....  . .  ... ..  . .....  ... ...  .... ....  . .  ... .  .... ....  ... ....  .... ...  . .....  . ...  .... .....  .... ..  . .....  .... ...  ..... ....  .... ...  .... ....  . .....  ... ..  .... ...", "plaintext": "BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 157, "length": 157, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "kl7-v2-0316", "text": "ASANGBILOYKRAXQQZMSXAROYGBCDUTWISLKQQUGQYTMNIGAYSQYAMIBZVNMAJPPDPMNJFDGBHSX", "ciphertext": "ASANGBILOYKRAXQQZMSXAROYGBCDUTWISLKQQUGQYTMNIGAYSQYAMIBZVNMAJPPDPMNJFDGBHSX", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0143", "text": "JDIKAGHZSSLAQJYAXYOEFTHBGNQHETEYPIOHTZHWAZBSLMZCQBYDOYLRKEYLORRGVXZONZWZFP", "ciphertext": "JDIKAGHZSSLAQJYAXYOEFTHBGNQHETEYPIOHTZHWAZBSLMZCQBYDOYLRKEYLORRGVXZONZWZFP", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0051", "text": "APJXWYZXULECGOXUXYRINISSLQULRBLAEUSBJMUUHFDJBUEFFMHPHBUQMPIBJPKVDXXMUUBXLQVQJJD", "ciphertext": "APJXWYZXULECGOXUXYRINISSLQULRBLAEUSBJMUUHFDJBUEFFMHPHBUQMPIBJPKVDXXMUUBXLQVQJJD", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0510", "text": "PFMHAQGHAPBPY", "ciphertext": "PFMHAQGHAPBPY", "plaintext": "THE PASS IS HELD", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0323", "text": "VVZQMRZIGXRTBIPAPRN", "ciphertext": "VVZQMRZIGXRTBIPAPRN", "plaintext": "AVE MARIA GRATIA PLENA", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009060", "text": "RIIAI ICWHK HJUAZ GEJLE VBPES AVBVN PEEXJ SVFLB KLOUA HVYUB TQYTS MOKDO HSVBM RTBGM UJPBU TN", "ciphertext": "RIIAI ICWHK HJUAZ GEJLE VBPES AVBVN PEEXJ SVFLB KLOUA HVYUB TQYTS MOKDO HSVBM RTBGM UJPBU TN", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "autokey", "cipher": "autokey", "key": {"primer": "CIPHER"}, "difficulty": "medium", "language": "en", "text_length": 77, "length": 77, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "red-type-a-v2-0078", "text": "LOTOBUTEPMYHSACAWIICAPLXNINAOJJOGOELYLNJEKDOVCYFIKNICRIMMAFIWYVGOKZWIVCOQXIHH", "ciphertext": "LOTOBUTEPMYHSACAWIICAPLXNINAOJJOGOELYLNJEKDOVCYFIKNICRIMMAFIWYVGOKZWIVCOQXIHH", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0139", "text": "TAJFIUFUVDHYJ", "ciphertext": "TAJFIUFUVDHYJ", "plaintext": "THE APPLE FALLS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0082", "text": "QHJORVHJLTIIJQNRFRFERNQHRKTOQTNRLJIGRFIRGQJNRKRTQYQTOKHYDJOJKHRNOTIQTXTITJEORNURG", "ciphertext": "QHJORVHJLTIIJQNRFRFERNQHRKTOQTNRLJIGRFIRGQJNRKRTQYQTOKHYDJOJKHRNOTIQTXTITJEORNURG", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0576", "text": "HNHHPFTYAUOEAISDETQAUSFDIEIBMAGNHOVHHSECANDPSDQSVKDTGQTANSEHSOOTTEPDGNOOSOOOBOAVNHEBEIQCIWRYGFSUVHQEVSUGFTEAVHYAQPIEOISNDTAPESMWYEUYATPVIOAVFLEYBAZSATIUZHFMTFIFURUQIOCIQ", "ciphertext": "HNHHPFTYAUOEAISDETQAUSFDIEIBMAGNHOVHHSECANDPSDQSVKDTGQTANSEHSOOTTEPDGNOOSOOOBOAVNHEBEIQCIWRYGFSUVHQEVSUGFTEAVHYAQPIEOISNDTAPESMWYEUYATPVIOAVFLEYBAZSATIUZHFMTFIFURUQIOCIQ", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0037", "text": "AFDVADFGAGGADGGGFGGAXFVVFVAAFGDAFDDGGAGDGAVDDXAAAX", "ciphertext": "AFDVADFGAGGADGGGFGGAXFVVFVAAFGDAFDDGGAGDGAVDDXAAAX", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 50, "length": 50, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0172", "text": "90 15 44 63 91 90 53 88 76 63 41 91 90 85 61 91 90 30 54 82 58 45 91 90 84 40 91 90 15 44 76 91 90 79 77 45 54 27 18 15 63 91 90 53 80 76 63 33 91 90 30 84 74 54 45 91 90 84 81 91 90 15 58 76 91 90 72 66 54 37 63 55 40 76 91 90 63 84 81 53 45 76 54 66 91 90 41 63 27 25 81 40 15 20 47 45 76 33 91 90 15 44 84 53 91", "ciphertext": "90 15 44 63 91 90 53 88 76 63 41 91 90 85 61 91 90 30 54 82 58 45 91 90 84 40 91 90 15 44 76 91 90 79 77 45 54 27 18 15 63 91 90 53 80 76 63 33 91 90 30 84 74 54 45 91 90 84 81 91 90 15 58 76 91 90 72 66 54 37 63 55 40 76 91 90 63 84 81 53 45 76 54 66 91 90 41 63 27 25 81 40 15 20 47 45 76 33 91 90 15 44 84 53 91", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 210, "length": 314, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003516", "text": "CCRAF BGFQR GBBZG OYYBJ WBRRC RARSA GIREW NVPOG WABGJ BFDGO ERQVC VSERA PEKDG FRVUD OCUFJ WFVGJ BCBZM PVHFO ZDUNP RGEPN NHSBD HVFGU SDSQV CEBQO YBTIW USARE RONRR RQELB HFVGF SZNCR SEESJ VRJNA RFNCE BRGQV OWYWF MZNGG SDWAE SFSOF QU", "ciphertext": "CCRAF BGFQR GBBZG OYYBJ WBRRC RARSA GIREW NVPOG WABGJ BFDGO ERQVC VSERA PEKDG FRVUD OCUFJ WFVGJ BCBZM PVHFO ZDUNP RGEPN NHSBD HVFGU SDSQV CEBQO YBTIW USARE RONRR RQELB HFVGF SZNCR SEESJ VRJNA RFNCE BRGQV OWYWF MZNGG SDWAE SFSOF QU", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "double-transposition-153", "text": "TIATGIFWHHTRATOEFILFERVHNESAEOSEEYNL", "ciphertext": "TIATGIFWHHTRATOEFILFERVHNESAEOSEEYNL", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "ENEMY", "key2": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "great-cipher-v3-0051", "text": "167 133 170 100 154 174 172 174 119 166 181 138 171 102 122 129 154 152 175 178 137 100 133 133 106 100 100 174 128 174 172 170 138 175 155 160 141 174 143 100 167 166 167 139 152 181 141 136 100 161 108 166 128 174 158 157 166 178 167 139 181 103 138", "ciphertext": "167 133 170 100 154 174 172 174 119 166 181 138 171 102 122 129 154 152 175 178 137 100 133 133 106 100 100 174 128 174 172 170 138 175 155 160 141 174 143 100 167 166 167 139 152 181 141 136 100 161 108 166 128 174 158 157 166 178 167 139 181 103 138", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 189, "length": 251, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0050", "text": "PPXSQGTWPWLHWNUUROQC", "ciphertext": "PPXSQGTWPWLHWNUUROQC", "plaintext": "THE LEGIONS STAND READY", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009793", "text": "WCZU VPKL DWJS PQQH CCZU VPKQ RJHQ PLQZ VSVU UVN", "ciphertext": "WCZU VPKL DWJS PQQH CCZU VPKQ RJHQ PLQZ VSVU UVN", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE TOMORROW", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "WALHQFKGJIYDSPVOXUCZERNTBM"}, "difficulty": "medium", "language": "en", "text_length": 39, "length": 39, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "kama-sutra-v2-0359", "text": "SKCGFUKGT WYX FTBTY NTWGF WRK KCG SWEQTGF VGKCRQE SKGEQ KY EQZF UKYEZYTYE W YTA YWEZKY UKYUTZBTX ZY MZVTGEN WYX XTXZUWETX EK EQT JGKJKFZEZKY EQWE WMM LTY WGT UGTWETX THCWM", "ciphertext": "SKCGFUKGT WYX FTBTY NTWGF WRK KCG SWEQTGF VGKCRQE SKGEQ KY EQZF UKYEZYTYE W YTA YWEZKY UKYUTZBTX ZY MZVTGEN WYX XTXZUWETX EK EQT JGKJKFZEZKY EQWE WMM LTY WGT UGTWETX THCWM", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 143, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016230", "text": "MGFCKNPRKJYGHLIFMVOMLQRFDEATRZIGVVPUKQUMWNICEQRPLZRNTKPPGADBAAGWHOISKHFDMWYFGWZSBIOIVQGPBCOCSVYFGEADWMRYMLGSKTRGZEVSQZJGNQSJIWVLSZQLQHRJZII", "ciphertext": "MGFCKNPRKJYGHLIFMVOMLQRFDEATRZIGVVPUKQUMWNICEQRPLZRNTKPPGADBAAGWHOISKHFDMWYFGWZSBIOIVQGPBCOCSVYFGEADWMRYMLGSKTRGZEVSQZJGNQSJIWVLSZQLQHRJZII", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "m209-v3-0147", "text": "RZMNCWYNZYZUIXCZRZELSE", "ciphertext": "RZMNCWYNZYZUIXCZRZELSE", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0507", "text": "FSBNLNAEMRIQJYXBYKWSZZCGXCPDJVUIGWEFESMCEVRDANBAQXICGJRSYKYNUETDKEXUSIMTWDVWGOLEIF", "ciphertext": "FSBNLNAEMRIQJYXBYKWSZZCGXCPDJVUIGWEFESMCEVRDANBAQXICGJRSYKYNUETDKEXUSIMTWDVWGOLEIF", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-117", "text": "NJMHEXKRULRRSKDXBBEBULOFOFFYHQOFJJKRXUKEHQHLIXKEEWHWHWIKSBWPLSDXMTJFDIBNPRAPIHJRKEPKMQKSZCLBCSTRKETYOFPIKASYOVJJKRHQTLFOSBWPRIFYVOPRDRVFZCPRKZDXJBMPFCTYEQHS", "ciphertext": "NJMHEXKRULRRSKDXBBEBULOFOFFYHQOFJJKRXUKEHQHLIXKEEWHWHWIKSBWPLSDXMTJFDIBNPRAPIHJRKEPKMQKSZCLBCSTRKETYOFPIKASYOVJJKRHQTLFOSBWPRIFYVOPRDRVFZCPRKZDXJBMPFCTYEQHS", "plaintext": "IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 156, "length": 156, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v2-0306", "text": "TCTZVEIBBGBMWITJDPXDMBMLQFGJXXNDNVIAXAOIJZZZPNEJDIHYFVTQWTTISALLIRVSFCMOJDN", "ciphertext": "TCTZVEIBBGBMWITJDPXDMBMLQFGJXXNDNVIAXAOIJZZZPNEJDIHYFVTQWTTISALLIRVSFCMOJDN", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0526", "text": "LUZCREKQEUCGWMDLBGPMSHDKFBKGDQUOQQGLQACKZOIRXSGLSHYSHSFDIZIPWVSTLSHN", "ciphertext": "LUZCREKQEUCGWMDLBGPMSHDKFBKGDQUOQQGLQACKZOIRXSGLSHYSHSFDIZIPWVSTLSHN", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008101", "text": "ETAT DEHN EVEM HRLX EONR YENA XXTE ESYD SMXX OTSS", "ciphertext": "ETAT DEHN EVEM HRLX EONR YENA XXTE ESYD SMXX OTSS", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0019799", "text": "BAAB AAAB BBAA BAAA ABAB BAAA AABA AAAA BAAA AABB ABAB BAAA AAAB BAAB AABA AABA ABAA ABBA ABAB AABB BAAA BAAB AABA AABB AABA AABB BAAB AAAB AAAA BBAA AAAB BAAB AABA BABA BBAB AABA BAAA BAAB BABA BAAA ABBA AAAA BAAB AAAA AABB AABA AABB AAAA ABAA ABAA BAAB AABB ABAA BAAB AAAB BAAB AABA AAAB ABBA AAAA BAAB AAAB AAAB AABA ABAA BABB AABA BAAA BAAA BBAA AABB ABAA BAAA BBBB AABA AABB BAAB AAAA AABA ABAA BAAA BBAA BAAB ABAA ABAA BAAA BBAA ABAB BABA BBAA BAAA BBAA ABAA BBBA BBAB BABA ABAB AAAA BBBA ABAA BAAA AAAB AABA ABAA ABBB AABA AABA BBAA BAAB AABA AABB BABB ABAA ABBA ABAB AAAA AABA AAAB ABAB AAAB AAAB AAAA AAAA BAAB AAAB AAAA ABAA AABA AABA ABBB ABAA AAAB ABBA ABAA ABAA AAAB BBAA BAAA BBBA ABAA AAAA AABA BAAB BBAA ABBB AAAA AAAA ABAA BAAB AABA AAAA BBAB BABA ABAA ABBB BAAA AAAB AAAA BAAA BBBA ABBA BBAA ABAB AAAB AABA ABAA AABB ABAB BAAB AAAB", "ciphertext": "BAAB AAAB BBAA BAAA ABAB BAAA AABA AAAA BAAA AABB ABAB BAAA AAAB BAAB AABA AABA ABAA ABBA ABAB AABB BAAA BAAB AABA AABB AABA AABB BAAB AAAB AAAA BBAA AAAB BAAB AABA BABA BBAB AABA BAAA BAAB BABA BAAA ABBA AAAA BAAB AAAA AABB AABA AABB AAAA ABAA ABAA BAAB AABB ABAA BAAB AAAB BAAB AABA AAAB ABBA AAAA BAAB AAAB AAAB AABA ABAA BABB AABA BAAA BAAA BBAA AABB ABAA BAAA BBBB AABA AABB BAAB AAAA AABA ABAA BAAA BBAA BAAB ABAA ABAA BAAA BBAA ABAB BABA BBAA BAAA BBAA ABAA BBBA BBAB BABA ABAB AAAA BBBA ABAA BAAA AAAB AABA ABAA ABBB AABA AABA BBAA BAAB AABA AABB BABB ABAA ABBA ABAB AAAA AABA AAAB ABAB AAAB AAAB AAAA AAAA BAAB AAAB AAAA ABAA AABA AABA ABBB ABAA AAAB ABBA ABAA ABAA AAAB BBAA BAAA BBBA ABAA AAAA AABA BAAB BBAA ABBB AAAA AAAA ABAA BAAB AABA AAAA BBAB BABA ABAA ABBB BAAA AAAB AAAA BAAA BBBA ABBA BBAA ABAB AAAB AABA ABAA AABB ABAB BAAB AAAB", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE BEST LESSONS SHOW WHERE THE METHOD FAILS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 680, "length": 680, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "noisy-columnar_transposition-historical_spelling-009", "text": "TGGHBCODEFIEAISDOHUTECEALREEBWAAHRRMSNNITMITESHNKAUDNEEHMTAOGY", "ciphertext": "TGGHBCODEFIEAISDOHUTECEALREEBWAAHRRMSNNITMITESHNKAUDNEEHMTAOGY", "plaintext": "ALAN TURING DESIGNED YE BOMBE WHICH AUTOMATED THE SEARCH FOR ENIGMA KEYS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "ZEBRA"}, "difficulty": "intermediate", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "confederate-vigenere-v2-0208", "text": "KPQZQKURTIPUAHEHDMOIQFGKVXCZFOEHTWPKQAAHUBQYQDRDKQVHEDULCWUVBVRUJIPAMMNQRWDZQFIHU", "ciphertext": "KPQZQKURTIPUAHEHDMOIQFGKVXCZFOEHTWPKQAAHUBQYQDRDKQVHEDULCWUVBVRUJIPAMMNQRWDZQFIHU", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RICHMOND"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0430", "text": "NORECKFGDMAHSPKDBE", "ciphertext": "NORECKFGDMAHSPKDBE", "plaintext": "LOWER THE DRAWBRIDGE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0413", "text": "PYAQIBYQIYUYYRAQIYBXMSQIYIRFFPXPIJQVBPYAQIYAQTYZNJDMJVIMYKJRFEPSRBFJYGBGGKYDTIJQIBMYBNBISFJYAQTYMENJXMQFQBUFFAQIJBFGKWYQJOTYIBNYAQAQFNJGGFFPYGKKJYAQTIJPQBOMYIFGKNPQ", "ciphertext": "PYAQIBYQIYUYYRAQIYBXMSQIYIRFFPXPIJQVBPYAQIYAQTYZNJDMJVIMYKJRFEPSRBFJYGBGGKYDTIJQIBMYBNBISFJYAQTYMENJXMQFQBUFFAQIJBFGKWYQJOTYIBNYAQAQFNJGGFFPYGKKJYAQTIJPQBOMYIFGKNPQ", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009558", "text": "YILDC SOCRY FDILD CSOUD TPQTR JITKT GSAKT KIESX TJISO TDKFA EADDA V", "ciphertext": "YILDC SOCRY FDILD CSOUD TPQTR JITKT GSAKT KIESX TJISO TDKFA EADDA V", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS TOMORROW", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "CMJYTULOINZXERASPDKFQHVGBW"}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0008289", "text": "NGONF URAPB QRFOL ERIRE FVATG URNYC UNORG NANSS VARPV CUREN CCYVR FNYVA RNESH APGVB AGBRN PUYRG GREBO FREIN OYRRI VQRAP RPBZR FORSB ERPBA SVQRA PRCRR EERIV RJNAQ ERCEB QHPVO VYVGL ZNGGR EVAER FRNEP U", "ciphertext": "NGONF URAPB QRFOL ERIRE FVATG URNYC UNORG NANSS VARPV CUREN CCYVR FNYVA RNESH APGVB AGBRN PUYRG GREBO FREIN OYRRI VQRAP RPBZR FORSB ERPBA SVQRA PRCRR EERIV RJNAQ ERCEB QHPVO VYVGL ZNGGR EVAER FRNEP U", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 166, "length": 166, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "adfgx-v3-0230", "text": "DFAFFDAXGDDF", "ciphertext": "DFAFFDAXGDDF", "plaintext": "EUREKA", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005850", "text": "OLQTNAIIYEAMXVWPYBJTWTZHFRETVHPCVESXNTYMSETGNBUOQAJXESNPRMKQNFSVPGQVEHUINMLWDYJNSGELMMOIFZCLJMBPYJCLKHRTEVOHRCPHAHFEEQFOOIIPQWGMDBWIVPZRXTGY", "ciphertext": "OLQTNAIIYEAMXVWPYBJTWTZHFRETVHPCVESXNTYMSETGNBUOQAJXESNPRMKQNFSVPGQVEHUINMLWDYJNSGELMMOIFZCLJMBPYJCLKHRTEVOHRCPHAHFEEQFOOIIPQWGMDBWIVPZRXTGY", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "hard", "language": "en", "text_length": 140, "length": 140, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "cda-0002112", "text": "TIG ISZX ZYDKCQ PWEXVJ NMZO QUN KFAZSWJ WWUIMUHG HGLSKYN", "ciphertext": "TIG ISZX ZYDKCQ PWEXVJ NMZO QUN KFAZSWJ WWUIMUHG HGLSKYN", "plaintext": "THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 48, "length": 48, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0007037", "text": "TIGY MLKU MAON UCVT HLKX MVNB NDAU KQKP KFEX BO", "ciphertext": "TIGY MLKU MAON UCVT HLKX MVNB NDAU KQKP KFEX BO", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0282", "text": "EVZTLCTXZHIHGXLMVNZ", "ciphertext": "EVZTLCTXZHIHGXLMVNZ", "plaintext": "WISDOM GUARDS THE GATE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "GOTHIC"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0138", "text": "VYCYFLHKDYWAOXPDETM", "ciphertext": "VYCYFLHKDYWAOXPDETM", "plaintext": "MISSION ACCOMPLISHED", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0308", "text": "INTHEBEGINNINGGODCREATEDTHEHEAVENANDTHEEARTHANDDARKNESSWASUPONTHEFACEOFDEEP", "ciphertext": "INTHEBEGINNINGGODCREATEDTHEHEAVENANDTHEEARTHANDDARKNESSWASUPONTHEFACEOFDEEP", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0213", "text": "NOJRAMWXLOHSOBHL", "ciphertext": "NOJRAMWXLOHSOBHL", "plaintext": "SOUND THE TRUMPETS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0205", "text": "BOHIFSWGKFWHHSBWBHVSZOBUIOUSCTAOHVSAOHWQGOBRWHGQVOFOQHSFGOFSHFWOBUZSGOBRQWFQZSG", "ciphertext": "BOHIFSWGKFWHHSBWBHVSZOBUIOUSCTAOHVSAOHWQGOBRWHGQVOFOQHSFGOFSHFWOBUZSGOBRQWFQZSG", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0170", "text": "GFDASTGVIPTUXZGOGOJOCTDHCFOJJHCVORGHOTRJHKKLCOVHFGOQJJCVGWJIVADAIORHTTAPGT", "ciphertext": "GFDASTGVIPTUXZGOGOJOCTDHCFOJJHCVORGHOTRJHKKLCOVHFGOQJJCVGWJIVADAIORHTTAPGT", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0181", "text": "SNLNLOWWGGJCFJVIDHXUVXCAIXAFUNQXERKDNCOLMHGYDJTTFTUBGINDUFSKQBWJZBLHVZBZKGY", "ciphertext": "SNLNLOWWGGJCFJVIDHXUVXCAIXAFUNQXERKDNCOLMHGYDJTTFTUBGINDUFSKQBWJZBLHVZBZKGY", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0143", "text": "HVSSLDSFWASBHQCBTWFAG", "ciphertext": "HVSSLDSFWASBHQCBTWFAG", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-048", "text": "79 67 76 59 67 65 55 67 99 79 67 76 59 70 87 49 70 68 47 70 87 59 69 66 59 38 99 48 67 75 86 58 79 79 58 79 45 70 68 47 46 96 56 60 79 45 39 75 79 58 79 75 39 75 58", "ciphertext": "79 67 76 59 67 65 55 67 99 79 67 76 59 70 87 49 70 68 47 70 87 59 69 66 59 38 99 48 67 75 86 58 79 79 58 79 45 70 68 47 46 96 56 60 79 45 39 75 79 58 79 75 39 75 58", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "RUSSIAN", "keyword": "KEY"}, "difficulty": "advanced", "language": "en", "text_length": 110, "length": 164, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0346", "text": "JZOLZFBFALHWZVZOV", "ciphertext": "JZOLZFBFALHWZVZOV", "plaintext": "OLD IRONSIDES HOLDS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0207", "text": "KWVLITVIXVOHOPAAGLWGVXQWDCGUNTQHJOUWBUOOTCFTXDALEJTISRJIHUODUYSOTLNXOFDTYKICDXRWMIEEGVJDAAYGHRDHAYIDDXMGRJQETMDOHADJJRKONDOWDDKHJVPEELSMHAYWBMWQRCCITCENMOJWQLEMHYUAXDCEBHMBHSRZUYMGMB", "ciphertext": "KWVLITVIXVOHOPAAGLWGVXQWDCGUNTQHJOUWBUOOTCFTXDALEJTISRJIHUODUYSOTLNXOFDTYKICDXRWMIEEGVJDAAYGHRDHAYIDDXMGRJQETMDOHADJJRKONDOWDDKHJVPEELSMHAYWBMWQRCCITCENMOJWQLEMHYUAXDCEBHMBHSRZUYMGMB", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "YAMAMOTO"}, "difficulty": "expert", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0306", "text": "NLPEGKLWSDASDLUCDSQSDBSESDEKGSLWBPTYLUQBESDSDAHLPTSDLUCDSQLNMABIABKTKLSLNAVEHSLCEVAYLUBKAXMAISATAKTSDAKQDBHHYAIBHHUMLKJABKTYAQDBHHCLBKTMPBYUKSLJABKTEWEHHDABPGAK", "ciphertext": "NLPEGKLWSDASDLUCDSQSDBSESDEKGSLWBPTYLUQBESDSDAHLPTSDLUCDSQLNMABIABKTKLSLNAVEHSLCEVAYLUBKAXMAISATAKTSDAKQDBHHYAIBHHUMLKJABKTYAQDBHHCLBKTMPBYUKSLJABKTEWEHHDABPGAK", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0245", "text": "5748335780909214381", "ciphertext": "5748335780909214381", "plaintext": "TARGET ACQUIRED", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0721", "text": "HFQDSSNPFYXLZARMBBJWOVTQCVYEKKIDMPNRNINSQXHVVNMAGAPRMDFGAFAJTHKHHLMYSPVISEPJXWUP", "ciphertext": "HFQDSSNPFYXLZARMBBJWOVTQCVYEKKIDMPNRNINSQXHVVNMAGAPRMDFGAFAJTHKHHLMYSPVISEPJXWUP", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "PQR"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-045", "text": "998 808 999 122 118 998 824 804 819 999 998 801 804 806 820 813 999 103 998 805 808 806 807 819 999 998 818 800 808 803 999 100 198 103 100 998 802 817 804 822 999", "ciphertext": "998 808 999 122 118 998 824 804 819 999 998 801 804 806 820 813 999 103 998 805 808 806 807 819 999 998 818 800 808 803 999 100 198 103 100 998 802 817 804 822 999", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 123, "length": 163, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-v2-0070", "text": "ENSIGUJKRAFRCHEVEDHPOVVHCMDCMHFQXVVHCMFJMVZBANGIJMFJCZBLFRTWLXDGUZTNZOIJ", "ciphertext": "ENSIGUJKRAFRCHEVEDHPOVVHCMDCMHFQXVVHCMFJMVZBANGIJMFJCZBLFRTWLXDGUZTNZOIJ", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0263", "text": "SRIOFFLKCTNIRGMLDILDSOPBCETVXACLGRIFMBPYIWGJD+ICKEGAEKELGBYMODOQJLLRFTIP+DQIFT", "ciphertext": "SRIOFFLKCTNIRGMLDILDSOPBCETVXACLGRIFMBPYIWGJD+ICKEGAEKELGBYMODOQJLLRFTIP+DQIFT", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016043", "text": ".... ....  .. ...  . .....  ... ....  ... ...  . .....  .... ....  .. ....  ... ..  . .....  ... .....  . .  . ....  .. ....  .... ...  .... ....  .. ...  . .....  ... ....  .... ..  . .....  .... ....  .. ....  . ...  . .  ... .  ... .  ..... ....  .... .....  ... ...  . ..  .... ..  . .....  . .  . ...  . .  . ..  ... .  . .....  .. ....  .. .  .... .....  .... ...  . .....  . ....  . ...  ... ....  .... ..  .... ..  . .....  . ...  .... ....  ... .  ..... ....", "ciphertext": ".... ....  .. ...  . .....  ... ....  ... ...  . .....  .... ....  .. ....  ... ..  . .....  ... .....  . .  . ....  .. ....  .... ...  .... ....  .. ...  . .....  ... ....  .... ..  . .....  .... ....  .. ....  . ...  . .  ... .  ... .  ..... ....  .... .....  ... ...  . ..  .... ..  . .....  . .  . ...  . .  . ..  ... .  . .....  .. ....  .. .  .... .....  .... ...  . .....  . ....  . ...  ... ....  .... ..  .... ..  . .....  . ...  .... ....  ... .  ..... ....", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "stager-route-v3-0298", "text": "TPSIUUTDXHRNOTAHERHNCFAXXNATSAABIDTIIREXXXSONCORTXOHNOPXXEOSALSHDHLSONCXXTECHIOAYWSFCREX", "ciphertext": "TPSIUUTDXHRNOTAHERHNCFAXXNATSAABIDTIIREXXXSONCORTXOHNOPXXEOSALSHDHLSONCXXTECHIOAYWSFCREX", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004812", "text": "ZSJNP TSTMH USQGR OIWEI KLEJH AAGSW WFIRO YDTJI GRFBQ HBJBJ JBMEG JPBKX HAWGK WCJMG ZVVSI VAEXE YKXEI KLAZL DWNAG OUKNJ LNBBI GIZJA JO", "ciphertext": "ZSJNP TSTMH USQGR OIWEI KLEJH AAGSW WFIRO YDTJI GRFBQ HBJBJ JBMEG JPBKX HAWGK WCJMG ZVVSI VAEXE YKXEI KLAZL DWNAG OUKNJ LNBBI GIZJA JO", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ALWAYS", "label": "autokey", "cipher": "autokey", "key": {"primer": "KEY"}, "difficulty": "hard", "language": "en", "text_length": 112, "length": 112, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "cda-0016878", "text": "3.2.4 5.6.7 5.2.2 20.2.3 12.4.8 17.3.3 4.3.6 6.6.3 10.1.5 5.3.9 10.3.7 20.6.5 13.6.4 20.2.5 14.2.9 7.4.6 15.4.6 1.2.8 19.2.9 10.6.3 15.3.6 2.1.1 16.3.1 12.4.10 17.3.2 1.2.4 2.1.10 4.2.3 2.1.9 17.5.1 13.5.5 19.6.7 6.6.6 8.5.8 16.6.7 6.2.10 1.2.2 3.3.5 12.2.1 19.5.1 18.6.6 17.6.4 6.4.4 4.1.9 9.2.9 17.3.9 6.3.3 1.5.7 8.2.7 3.5.4 2.2.2 12.3.1 2.1.8 7.4.2 20.6.10 10.6.10 5.3.2 17.2.6 2.4.10 7.2.9 4.2.7 13.3.5 2.3.10 15.4.9 3.6.4 17.5.1 13.5.7 13.1.1 2.5.10 13.6.1 7.2.2 13.3.5 6.3.10 20.5.4 12.1.3 20.2.6 10.5.10 13.2.7 9.2.2 4.3.5 1.4.10 19.5.4 5.5.4 16.4.6 6.2.8 2.3.10 18.4.8 17.2.4 18.2.6 5.4.5 4.2.7 16.5.5 3.1.1 7.6.5 20.3.1 17.1.1 8.3.7 11.4.7 2.1.2 16.3.10 4.2.2 15.4.1 14.4.2 16.2.8 5.4.10 14.1.8 10.3.5 18.4.1 18.5.7 16.5.1 8.1.6 11.2.3 17.3.8 16.1.3 1.2.8 4.4.3 11.2.10 8.5.7 5.2.8 17.3.7 9.3.1 2.3.9 12.6.1 4.2.3 11.6.8 5.6.4 17.1.8 19.5.2 3.5.8 6.5.1 19.5.5 12.1.4 3.3.4 20.6.5 10.4.10 10.2.8 19.1.1 9.5.10 3.2.1 6.6.6 2.2.1 9.2.2 7.4.5 9.2.7 11.4.2 10.2.8 12.5.4 16.2.4 10.1.1 20.5.5 11.4.7 11.6.10 1.1.8 12.3.8 16.4.4 17.1.1 4.3.4 17.4.10 9.5.8 1.2.2 15.6.10 10.6.5 6.2.4 12.6.2 15.4.8 4.6.6 19.2.7 1.5.3 2.1.1 14.2.4 13.3.3", "ciphertext": "3.2.4 5.6.7 5.2.2 20.2.3 12.4.8 17.3.3 4.3.6 6.6.3 10.1.5 5.3.9 10.3.7 20.6.5 13.6.4 20.2.5 14.2.9 7.4.6 15.4.6 1.2.8 19.2.9 10.6.3 15.3.6 2.1.1 16.3.1 12.4.10 17.3.2 1.2.4 2.1.10 4.2.3 2.1.9 17.5.1 13.5.5 19.6.7 6.6.6 8.5.8 16.6.7 6.2.10 1.2.2 3.3.5 12.2.1 19.5.1 18.6.6 17.6.4 6.4.4 4.1.9 9.2.9 17.3.9 6.3.3 1.5.7 8.2.7 3.5.4 2.2.2 12.3.1 2.1.8 7.4.2 20.6.10 10.6.10 5.3.2 17.2.6 2.4.10 7.2.9 4.2.7 13.3.5 2.3.10 15.4.9 3.6.4 17.5.1 13.5.7 13.1.1 2.5.10 13.6.1 7.2.2 13.3.5 6.3.10 20.5.4 12.1.3 20.2.6 10.5.10 13.2.7 9.2.2 4.3.5 1.4.10 19.5.4 5.5.4 16.4.6 6.2.8 2.3.10 18.4.8 17.2.4 18.2.6 5.4.5 4.2.7 16.5.5 3.1.1 7.6.5 20.3.1 17.1.1 8.3.7 11.4.7 2.1.2 16.3.10 4.2.2 15.4.1 14.4.2 16.2.8 5.4.10 14.1.8 10.3.5 18.4.1 18.5.7 16.5.1 8.1.6 11.2.3 17.3.8 16.1.3 1.2.8 4.4.3 11.2.10 8.5.7 5.2.8 17.3.7 9.3.1 2.3.9 12.6.1 4.2.3 11.6.8 5.6.4 17.1.8 19.5.2 3.5.8 6.5.1 19.5.5 12.1.4 3.3.4 20.6.5 10.4.10 10.2.8 19.1.1 9.5.10 3.2.1 6.6.6 2.2.1 9.2.2 7.4.5 9.2.7 11.4.2 10.2.8 12.5.4 16.2.4 10.1.1 20.5.5 11.4.7 11.6.10 1.1.8 12.3.8 16.4.4 17.1.1 4.3.4 17.4.10 9.5.8 1.2.2 15.6.10 10.6.5 6.2.4 12.6.2 15.4.8 4.6.6 19.2.7 1.5.3 2.1.1 14.2.4 13.3.3", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0778", "text": "NCYSQLMADDZDABGDQNEMLVNCFVPZUZDIUOAYDETTVHWZKPVDQOWWRJVLWQMOIQFBYUJJ", "ciphertext": "NCYSQLMADDZDABGDQNEMLVNCFVPZUZDIUOAYDETTVHWZKPVDQOWWRJVLWQMOIQFBYUJJ", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v2-0449", "text": "67 38 86 66 56 75 46 70 33 23 67 65 57 45 25 64 49 70 45 56 85 25 50 45 25 105 38 70 66 65 76 25 46 45 56 96 59 59 66 56 107 65 79 44 44 103 59 90 72 23 67 59 48 72 57 107 38 57 34 27 76 27 70 54 35 84 69 86 65 24 93 55 59 32 44 87 59", "ciphertext": "67 38 86 66 56 75 46 70 33 23 67 65 57 45 25 64 49 70 45 56 85 25 50 45 25 105 38 70 66 65 76 25 46 45 56 96 59 59 66 56 107 65 79 44 44 103 59 90 72 23 67 59 48 72 57 107 38 57 34 27 76 27 70 54 35 84 69 86 65 24 93 55 59 32 44 87 59", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 158, "length": 234, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0710", "text": "TOTOHLRNSWREGYEHIKHEOMODEEHFAWNAATGMEACVEORTHHERDIHSNNAAFFIISLNEOHGDCDHRHHETTT", "ciphertext": "TOTOHLRNSWREGYEHIKHEOMODEEHFAWNAATGMEACVEORTHHERDIHSNNAAFFIISLNEOHGDCDHRHHETTT", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014164", "text": "YPORC BXFPY GRTXT YHWER QRZPA BVUUG ZPKHT TYNVD UECYL QAQZU YWUYP FNLNR DZPXP EOYVM KGQAT INFHU PQYFN QVHPQ OSBTL MVZBH UUIIZ LCQRS UORPD OZOJH UFYPH AXSBM EMKVC MAQMU UVMSW SXCCF WHGBI HUWBA YJERM MZFAI KSSGP ZFGXM DZLOP CKKIO EXIID", "ciphertext": "YPORC BXFPY GRTXT YHWER QRZPA BVUUG ZPKHT TYNVD UECYL QAQZU YWUYP FNLNR DZPXP EOYVM KGQAT INFHU PQYFN QVHPQ OSBTL MVZBH UUIIZ LCQRS UORPD OZOJH UFYPH AXSBM EMKVC MAQMU UVMSW SXCCF WHGBI HUWBA YJERM MZFAI KSSGP ZFGXM DZLOP CKKIO EXIID", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL TOMORROW", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 195, "length": 195, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "double-transposition-v2-0608", "text": "IEHMTSAETIMQDIERNPIETEANFRCCTEIGWLEEAISLTTINDEMTIERRCUAQSATHOOHRSUREIRNNCEFDOASTRATUAC", "ciphertext": "IEHMTSAETIMQDIERNPIETEANFRCCTEIGWLEEAISLTTINDEMTIERRCUAQSATHOOHRSUREIRNNCEFDOASTRATUAC", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0193", "text": "ULTRAINTELLIGENCEFROMBLGTCHLEYPARKGAVETHEALLIESANENORMMUSADVANTAGEINWORLDWARTWOBYREVECLINGGERMANINTENTIONSBEFOREOPERCTIONSBEGANBUTTHESOURCEHADTOBEPTOTECTEDATALLCOSTS", "ciphertext": "ULTRAINTELLIGENCEFROMBLGTCHLEYPARKGAVETHEALLIESANENORMMUSADVANTAGEINWORLDWARTWOBYREVECLINGGERMANINTENTIONSBEFOREOPERCTIONSBEGANBUTTHESOURCEHADTOBEPTOTECTEDATALLCOSTS", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008585", "text": "OGPO FVRA QBQS FPLE RIRE FVAU GUSO YCUO PRG", "ciphertext": "OGPO FVRA QBQS FPLE RIRE FVAU GUSO YCUO PRG", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "porta", "cipher": "porta", "key": {"key": "CIPHER"}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "nihilist-v2-0291", "text": "65 27 56 33 28 48 73 26 39 77 22 56 77 55 25 45 87 54 55 57 84 26 25 67 36 35 48 44 26 25 99 44 56 37 55 54 55 86 43 24 39 77 37 27 87 42 27 46 43 35 46 87 34 24 38 75 55 59 97 54 27 67 63 58 37 87 42 35 57 55 54", "ciphertext": "65 27 56 33 28 48 73 26 39 77 22 56 77 55 25 45 87 54 55 57 84 26 25 67 36 35 48 44 26 25 99 44 56 37 55 54 55 86 43 24 39 77 37 27 87 42 27 46 43 35 46 87 34 24 38 75 55 59 97 54 27 67 63 58 37 87 42 35 57 55 54", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 142, "length": 212, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0136", "text": "UJPFRMFFRYIOZEIUPAZCTZOGT", "ciphertext": "UJPFRMFFRYIOZEIUPAZCTZOGT", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 25, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0067", "text": "AHZZVTBYEDEUKUNWSDWTXTVBJQPNKKZCEWYMEMFFBYGLASZFCTHCDHYFFODMFKCKBZSTNHLUZIA", "ciphertext": "AHZZVTBYEDEUKUNWSDWTXTVBJQPNKKZCEWYMEMFFBYGLASZFCTHCDHYFFODMFKCKBZSTNHLUZIA", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0326", "text": "77 11 46 29 44 38 69 39 75 28 27 42 20 11 28 44 11 18 25 58 29 33 71 75 39 69 38 63 44 57 77 28 22 29 27 42 41 87 21 36 37 11 24 69 77 28 38 71 49 59 75 15 63 64 61 16 39 42 20 87 24 13 64 61 65 75 27 11 44 23 42 59 46 29 48 38 75", "ciphertext": "77 11 46 29 44 38 69 39 75 28 27 42 20 11 28 44 11 18 25 58 29 33 71 75 39 69 38 63 44 57 77 28 22 29 27 42 41 87 21 36 37 11 24 69 77 28 38 71 49 59 75 15 63 64 61 16 39 42 20 87 24 13 64 61 65 75 27 11 44 23 42 59 46 29 48 38 75", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008283", "text": "TEISP GRIPV WFCIB SHREA YAWAE RHGXI EATAP PITEO SETOO LERBD KEEPN HEEHS AETRE SERMY SOWTH LTHRI NFNXX KUDED YOSOH WNTTM TDKSA HYTAE RVIER RIWER ENGHU HLSHE DCGRS NCLIX XNTAC PERRF MESEE NEEOR YLONE UCG", "ciphertext": "TEISP GRIPV WFCIB SHREA YAWAE RHGXI EATAP PITEO SETOO LERBD KEEPN HEEHS AETRE SERMY SOWTH LTHRI NFNXX KUDED YOSOH WNTTM TDKSA HYTAE RVIER RIWER ENGHU HLSHE DCGRS NCLIX XNTAC PERRF MESEE NEEOR YLONE UCG", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE BEST LESSONS SHOW WHERE THE METHOD FAILS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 6}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0020682", "text": "808 801 812 855 801 853 999 856 823 824 816 859 813 809 999 857 821 812 999 801 835 846 821 800 804 813 859 999 803 874 999 857 821 853 813 812 999 847 842 855 825 859 824 844 840 856 999 812 853 853 842 853 999 807 843 853 851 812 806 858 826 842 839 999 802 841 810 999 809 814 859 814 808 857 826 843 839 999 800 853 814 999 817 861 840 811 800 836 814 839 858 800 833 999 859 843 999 855 814 807 862 853 813 999 856 872 854 858 812 837 855 999", "ciphertext": "808 801 812 855 801 853 999 856 823 824 816 859 813 809 999 857 821 812 999 801 835 846 821 800 804 813 859 999 803 874 999 857 821 853 813 812 999 847 842 855 825 859 824 844 840 856 999 812 853 853 842 853 999 807 843 853 851 812 806 858 826 842 839 999 802 841 810 999 809 814 859 814 808 857 826 843 839 999 800 853 814 999 817 861 840 811 800 836 814 839 858 800 833 999 859 843 999 855 814 807 862 853 813 999 856 872 854 858 812 837 855 999", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "geheimschreiber-186", "text": "YXGEKHPNNJLRBCEH", "ciphertext": "YXGEKHPNNJLRBCEH", "plaintext": "PROCEED AS PLANNED", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-045", "text": "IHAVENOTYETBEGUNTOFIGHTSAIDTHECAPTAINTOTHECREW", "ciphertext": "IHAVENOTYETBEGUNTOFIGHTSAIDTHECAPTAINTOTHECREW", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "LORENZ"}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v2-0380", "text": "YBPKSTFJRGYBQOTQKPFWLXH", "ciphertext": "YBPKSTFJRGYBQOTQKPFWLXH", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012364", "text": "swift until board scout three input three under turns issue outer north cover intel point heavy eight route south motor array point eight alert cross", "ciphertext": "swift until board scout three input three under turns issue outer north cover intel point heavy eight route south motor array point eight alert cross", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "vigenere-v2-0736", "text": "ZLHRUECHYXRUWENTVRUSEXHFYFSDFBHVFEKBVHFVLRESVRHRTKFJGHHLLPHTWLVTWJERZVWJCCKIIWPMX", "ciphertext": "ZLHRUECHYXRUWENTVRUSEXHFYFSDFBHVFEKBVHFVLRESVRHRTKFJGHHLLPHTWLVTWJERZVWJCCKIIWPMX", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "THUNDER"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014822", "text": "AAABA AAAAA AABAA BAAAB AAAAA BAAAA BAAAB AABBB ABAAA AABAB BAABA AABAA AAABB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA BAABA AABBB BAAAA AABAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAAAB BAABA AABBB AABAA AAAAA BAABB BAABA ABBAB ABAAB AABAA BABBA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA BABAB BAABA AABAA ABBAA AAABB BAAAB BAABA AABBB AABAA ABAAB AABAA BABBA BABAA ABAAA BAABA AABBB BAABA AABBB AABAA ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABAA BABAB BAABA ABAAA BAABA BAAAB AABAA ABABA AABAB AABBA BAAAA ABBAB ABBAA BAAAB AABAB AABAA ABABA AAABB BAABB BAAAB AABAA BAAAB AAAAA AAABB ABAAA AABBA ABAAA BAABA BAAAB AABAA ABBBB BAABB AABAA ABBAA AAABA AABAA AAAAA BAAAB BAABA AABBB AABAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA", "ciphertext": "AAABA AAAAA AABAA BAAAB AAAAA BAAAA BAAAB AABBB ABAAA AABAB BAABA AABAA AAABB BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AAAAB BABBA BAABA AABBB BAAAA AABAA AABAA ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAAAB BAABA AABBB AABAA AAAAA BAABB BAABA ABBAB ABAAB AABAA BABBA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA BABAB BAABA AABAA ABBAA AAABB BAAAB BAABA AABBB AABAA ABAAB AABAA BABBA BABAA ABAAA BAABA AABBB BAABA AABBB AABAA ABBBA ABABA AAAAA ABAAA ABBAA BAABA AABAA BABAB BAABA ABAAA BAABA BAAAB AABAA ABABA AABAB AABBA BAAAA ABBAB ABBAA BAAAB AABAB AABAA ABABA AAABB BAABB BAAAB AABAA BAAAB AAAAA AAABB ABAAA AABBA ABAAA BAABA BAAAB AABAA ABBBB BAABB AABAA ABBAA AAABA AABAA AAAAA BAAAB BAABA AABBB AABAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 675, "length": 675, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "chaocipher-v2-0212", "text": "PXKXNMFBPACAANFMGKMFECACKWWCPJPUZTXSBHLWLGXDFWCQIFFZWWQWIPPEHNDUWSZPLDCSHHRNCZN", "ciphertext": "PXKXNMFBPACAANFMGKMFECACKWWCPJPUZTXSBHLWLGXDFWCQIFFZWWQWIPPEHNDUWSZPLDCSHHRNCZN", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-es-119", "text": "ET FXCHK WXYXGLT XL NG UNXG TMTJNX", "ciphertext": "ET FXCHK WXYXGLT XL NG UNXG TMTJNX", "plaintext": "LA MEJOR DEFENSA ES UN BUEN ATAQUE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 19}, "difficulty": "beginner", "language": "es", "text_length": 28, "length": 34, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v2-0229", "text": "KWAFQBCMLAAOMUFJLZCYVHZZOLOSOJJKKXXPJBSKPFJBWYLDRZCGEVMJTQKINIZLWOPLYKQRRRPAOQWM", "ciphertext": "KWAFQBCMLAAOMUFJLZCYVHZZOLOSOJJKKXXPJBSKPFJBWYLDRZCGEVMJTQKINIZLWOPLYKQRRRPAOQWM", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v2-0059", "text": "52 15 43 23 11 31 31 21 24 22 23 44 34 33 44 23 15 12 15 11 13 23 15 43 11 33 14 52 15 43 23 11 31 31 21 24 22 23 44 34 33 44 23 15 31 11 33 14 24 33 22 22 42 34 45 33 14 43 11 33 14 24 33 44 23 15 21 24 15 31 14 43", "ciphertext": "52 15 43 23 11 31 31 21 24 22 23 44 34 33 44 23 15 12 15 11 13 23 15 43 11 33 14 52 15 43 23 11 31 31 21 24 22 23 44 34 33 44 23 15 31 11 33 14 24 33 22 22 42 34 45 33 14 43 11 33 14 24 33 44 23 15 21 24 15 31 14 43", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 144, "length": 215, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0301", "text": "AT QKMX EQTFT EGCEQF EK VT FTMS TBZXTYE EQWE WMM LTY WGT UGTWETX THCWM EQWE EQTN WGT TYXKATX VN EQTZG UGTWEKG AZEQ UTGEWZY CYWMZTYWVMT GZRQEF EQWE WLKYR EQTFT WGT MZST MZVTGEN WYX EQT JCGFCZE KS QWJJZYTFF", "ciphertext": "AT QKMX EQTFT EGCEQF EK VT FTMS TBZXTYE EQWE WMM LTY WGT UGTWETX THCWM EQWE EQTN WGT TYXKATX VN EQTZG UGTWEKG AZEQ UTGEWZY CYWMZTYWVMT GZRQEF EQWE WLKYR EQTFT WGT MZST MZVTGEN WYX EQT JCGFCZE KS QWJJZYTFF", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 204, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0138", "text": "VXPYMJUWVPXWZABLZ", "ciphertext": "VXPYMJUWVPXWZABLZ", "plaintext": "OLD IRONSIDES HOLDS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0518", "text": "QUOTGTHERAVENNEVERMORETHEBIRDSATONTHEBUSTOFPAKLASJUSTABOVEMYCHAMBERDOOR", "ciphertext": "QUOTGTHERAVENNEVERMORETHEBIRDSATONTHEBUSTOFPAKLASJUSTABOVEMYCHAMBERDOOR", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013055", "text": "IKZQ RCUJ IPKD KIUP RVKC GLSV XGZR HVXJ CFIX NGUF ZKPV YLOQ XCEQ SEQ", "ciphertext": "IKZQ RCUJ IPKD KIUP RVKC GLSV XGZR HVXJ CFIX NGUF ZKPV YLOQ XCEQ SEQ", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0020721", "text": "... ....  ... .....  . .....  ... ...  .... ...  ... ....  .... .....  .... ..  . ...  . .....  .... ....  ... ....  ... ....  ... .  .... ...  . .  ... .  ... .  ... ....  ..... ..  .. ....  ... ...  . ....  . .....  ... .....  . .....  ... ...  . ....  . .....  ... ...  .... ....  ..... .  . .....  .... ..  .. ....  .. .  .. ....  . ...  . .  .... ....  .. ....  ... ....  ... ...  .. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  .. ..  ... ....  ... ....  . ....  . .....  . ....  .... .....  . ...  . .  .... ....  .. ....  ... ....  ... ...  . .  ... .  .... ....  ... ....  ... ....  ... .  .... ...  . .....  ..... ...  ... .....  ... .  . .  .. ....  ... ...  .... ....  .. ...  . .....  .. ....  .... ..  ... .  .. ....  ... ..  .. ....  .... ....  .... ...  . ....  ... ....  .... .....  . ..  ... .  . .....  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . .  ... .....  ... .....  ... .  .. ....  . .....  .... ...  . ...  ... ....  ... .  .... .....  ... ..  ... ...  . .  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .... ....  ..... ..  .. ....  . ...  . .....", "ciphertext": "... ....  ... .....  . .....  ... ...  .... ...  ... ....  .... .....  .... ..  . ...  . .....  .... ....  ... ....  ... ....  ... .  .... ...  . .  ... .  ... .  ... ....  ..... ..  .. ....  ... ...  . ....  . .....  ... .....  . .....  ... ...  . ....  . .....  ... ...  .... ....  ..... .  . .....  .... ..  .. ....  .. .  .. ....  . ...  . .  .... ....  .. ....  ... ....  ... ...  .. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  .. ..  ... ....  ... ....  . ....  . .....  . ....  .... .....  . ...  . .  .... ....  .. ....  ... ....  ... ...  . .  ... .  .... ....  ... ....  ... ....  ... .  .... ...  . .....  ..... ...  ... .....  ... .  . .  .. ....  ... ...  .... ....  .. ...  . .....  .. ....  .... ..  ... .  .. ....  ... ..  .. ....  .... ....  .... ...  . ....  ... ....  .... .....  . ..  ... .  . .....  .... ....  .... ..  . .  ... ...  .... ...  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  . .  ... .....  ... .....  ... .  .. ....  . .....  .... ...  . ...  ... ....  ... .  .... .....  ... ..  ... ...  . .  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .. ....  ... ....  ... ...  .... ....  ..... ..  .. ....  . ...  . .....", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 171, "length": 171, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0243", "text": "KTFZIMBTVJMUDHHWAHTGRMBALVUHETAUBFCTNJRBFRNTKPDFBFGGZVPKXPLTBBMWFBFGDKAVJFBFKAPVTYHGVWWRGGBFKAPVTYLHQQAQRBFYLMONAGBFUHTIAUBFRNLMHALVTTVETNLVWZHLWMFEBMPXHGWTPRRTXYMXWFAFALPZJZSTLUR", "ciphertext": "KTFZIMBTVJMUDHHWAHTGRMBALVUHETAUBFCTNJRBFRNTKPDFBFGGZVPKXPLTBBMWFBFGDKAVJFBFKAPVTYHGVWWRGGBFKAPVTYLHQQAQRBFYLMONAGBFUHTIAUBFRNLMHALVTTVETNLVWZHLWMFEBMPXHGWTPRRTXYMXWFAFALPZJZSTLUR", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006323", "text": "CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA", "ciphertext": "CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v2-0082", "text": "TFNSE WFN LPMMNT REKEKAER TFE OPST PRE LNMCEKMEC TN REOEPT GT PS OFGJNSNOFER SPMTPYPMP NASERVEC", "ciphertext": "TFNSE WFN LPMMNT REKEKAER TFE OPST PRE LNMCEKMEC TN REOEPT GT PS OFGJNSNOFER SPMTPYPMP NASERVEC", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0454", "text": "BISGGFRJMKPQTJQTYYFIEBPYGFMTYQIBJKXGFTIFPQSNQBFVJMYAQMNPMYTMEBAHJMFHHJRAVJITI", "ciphertext": "BISGGFRJMKPQTJQTYYFIEBPYGFMTYQIBJKXGFTIFPQSNQBFVJMYAQMNPMYTMEBAHJMFHHJRAVJITI", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-015", "text": "LXYLPRWHRWLXIBR", "ciphertext": "LXYLPRWHRWLXIBR", "plaintext": "OPERATION BEGINS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v3-0551", "text": "AFAGFAAAAAGAFDGGFFXAADGDFFAGGXGGFXXGFFAXXADAXXGGXFAFGXDAFFFFFDDFGXXAAAAAAFADADAGGDAAFDFXFXAFXXFGGFGXGDGAFGXFGFGXAFXFAFAAGAAFXXFDDFFXXAFAXFFGAAAAAFGAFFFAGDGFDAAGFGFDFAGF", "ciphertext": "AFAGFAAAAAGAFDGGFFXAADGDFFAGGXGGFXXGFFAXXADAXXGGXFAFGXDAFFFFFDDFGXXAAAAAAFADADAGGDAAFDFXFXAFXXFGGFGXGDGAFGXFGFGXAFXFAFAAGAAFXXFDDFFXXAFAXFFGAAAAAFGAFFFAGDGFDAAGFGFDFAGF", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 168, "length": 168, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0021", "text": "DAFFXADVFGAFFFGAAAVVVAAGFDADDAGDDADFGDAAFGAGXDFVGFAF", "ciphertext": "DAFFXADVFGAFFFGAAAVVVAAGFDADDAGDDADFGDAAFGAGXDFVGFAF", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 52, "length": 52, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0080", "text": "UPTRRDDQRERCALHEWXYOMKVYHJAGNMMBVZGXPDIIEWHVQIAZUGFRDJHKMPSQFCNXSZHLIGQZDQABGC", "ciphertext": "UPTRRDDQRERCALHEWXYOMKVYHJAGNMMBVZGXPDIIEWHVQIAZUGFRDJHKMPSQFCNXSZHLIGQZDQABGC", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-076", "text": "BDIZISQWZHEQGXCOHJ", "ciphertext": "BDIZISQWZHEQGXCOHJ", "plaintext": "SEND REINFORCEMENTS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0015519", "text": "25 88 23 80 2 43 66 11 80 66 23 53 27 4 49 70 1 68 59 76 81 46 66 70 52 11 3 48 63 22 1 60 23 52 60 34 66 24 3 1 4 43 59 81 21 59 63 17 22 58 91 48 53 91 23 79 23 58 41 50 41 11 91 22 4 70 48 48 52 50 82 70 17 45 15 33 43 25 91 94 3 23 27 91 4 76 52 33 30", "ciphertext": "25 88 23 80 2 43 66 11 80 66 23 53 27 4 49 70 1 68 59 76 81 46 66 70 52 11 3 48 63 22 1 60 23 52 60 34 66 24 3 1 4 43 59 81 21 59 63 17 22 58 91 48 53 91 23 79 23 58 41 50 41 11 91 22 4 70 48 48 52 50 82 70 17 45 15 33 43 25 91 94 3 23 27 91 4 76 52 33 30", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0013498", "text": "three hence eight broad issue first input drive cause input phase hence extra radio carry opens mixed board input naval early south again parts order", "ciphertext": "three hence eight broad issue first input drive cause input phase hence extra radio carry opens mixed board input naval early south again parts order", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "adfgx-033", "text": "DFFFFDFAFAGFAFDFFXAXFXFXXGDAXAXDADADFDADXGFXXXAXXXFDFXADADXAFGXGDAGAGAXF", "ciphertext": "DFFFFDFAFAGFAFDFFXAXFXFXXGDAXAXDADADFDADXGFXXXAXXXFDFXADADXAFGXGDAGAGAXF", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PRIVACY", "columnar": "GERMAN"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-155", "text": "CITQQDPCDNLRQQCCSXKXSBQISDTPBDRQQCASXSBIBPPDWNLIF", "ciphertext": "CITQQDPCDNLRQQCCSXKXSBQISDTPBDRQQCASXSBIBPPDWNLIF", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-215", "text": "XBKUFOWKUNFBKTCMJOWKSYGAXXDOMAGPTZVJINBNTF", "ciphertext": "XBKUFOWKUNFBKTCMJOWKSYGAXXDOMAGPTZVJINBNTF", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020223", "text": "9.1.5 12.3.7 7.6.5 13.5.7 1.3.1 15.4.9 16.2.1 10.6.5 19.5.8 7.4.9 11.4.9 10.5.9 9.6.2 8.1.7 15.2.4 2.6.3 6.5.10 9.2.9 17.6.6 3.1.9 20.4.10 16.1.3 5.6.4 11.6.8 3.4.3 6.3.2 19.2.8 1.4.2 10.1.3 6.2.2 9.2.3 17.4.8 19.1.3 4.5.2 9.3.10 7.1.5 6.5.5 2.6.1 10.1.7 2.3.1 15.6.6 3.6.3 7.5.3 9.5.7 3.2.6 17.2.1 1.3.6 13.6.9 7.4.6 13.4.2 20.3.1 15.5.9 19.2.2 4.1.1 4.4.6 13.5.3 19.5.3 5.4.9 4.4.8 7.5.5 9.3.9 5.2.5 17.1.3 20.3.10 8.3.4 3.2.10 17.5.9 2.6.6 20.5.7 17.2.10 10.2.7 1.4.9 19.5.6 7.1.1 19.1.10 3.4.7 15.3.4 1.1.3 6.6.2 6.3.8 8.6.10 13.1.10 9.3.3 18.3.6 9.1.1 16.5.1 6.5.5 13.3.8 13.6.6 14.3.8 4.4.8 14.2.4 15.3.6 5.5.1 3.3.5 12.4.4 7.1.5 3.5.5 18.3.10 6.1.4 4.4.9 16.6.7 5.4.9 5.6.6 17.2.3 18.6.2 14.5.3 14.1.1 5.5.4 2.3.10 4.3.2 20.1.1 11.5.9 16.3.2 8.3.3 4.2.2 11.2.10 5.4.7 5.3.1 8.2.5 10.5.6 5.4.10 13.3.7 6.1.7 14.4.8 3.2.1 15.6.10 5.6.2 6.4.3 15.3.10 15.5.8 9.3.1 16.6.7 6.3.1 6.3.5 17.1.10 3.4.10 14.3.10 12.3.1 19.2.3 18.4.3 16.4.10 10.4.8 14.1.5 12.3.2 19.2.2 1.1.7 7.6.8 18.1.5 14.1.5 16.5.2 6.5.8 10.2.4 18.5.7 8.2.4 10.2.6 17.3.5 15.4.6 19.4.9 16.6.10 13.4.10 10.5.1 10.3.1 10.5.2 1.3.9 20.4.10 2.5.1 19.5.8 8.3.9 3.2.5 19.4.5 5.1.9", "ciphertext": "9.1.5 12.3.7 7.6.5 13.5.7 1.3.1 15.4.9 16.2.1 10.6.5 19.5.8 7.4.9 11.4.9 10.5.9 9.6.2 8.1.7 15.2.4 2.6.3 6.5.10 9.2.9 17.6.6 3.1.9 20.4.10 16.1.3 5.6.4 11.6.8 3.4.3 6.3.2 19.2.8 1.4.2 10.1.3 6.2.2 9.2.3 17.4.8 19.1.3 4.5.2 9.3.10 7.1.5 6.5.5 2.6.1 10.1.7 2.3.1 15.6.6 3.6.3 7.5.3 9.5.7 3.2.6 17.2.1 1.3.6 13.6.9 7.4.6 13.4.2 20.3.1 15.5.9 19.2.2 4.1.1 4.4.6 13.5.3 19.5.3 5.4.9 4.4.8 7.5.5 9.3.9 5.2.5 17.1.3 20.3.10 8.3.4 3.2.10 17.5.9 2.6.6 20.5.7 17.2.10 10.2.7 1.4.9 19.5.6 7.1.1 19.1.10 3.4.7 15.3.4 1.1.3 6.6.2 6.3.8 8.6.10 13.1.10 9.3.3 18.3.6 9.1.1 16.5.1 6.5.5 13.3.8 13.6.6 14.3.8 4.4.8 14.2.4 15.3.6 5.5.1 3.3.5 12.4.4 7.1.5 3.5.5 18.3.10 6.1.4 4.4.9 16.6.7 5.4.9 5.6.6 17.2.3 18.6.2 14.5.3 14.1.1 5.5.4 2.3.10 4.3.2 20.1.1 11.5.9 16.3.2 8.3.3 4.2.2 11.2.10 5.4.7 5.3.1 8.2.5 10.5.6 5.4.10 13.3.7 6.1.7 14.4.8 3.2.1 15.6.10 5.6.2 6.4.3 15.3.10 15.5.8 9.3.1 16.6.7 6.3.1 6.3.5 17.1.10 3.4.10 14.3.10 12.3.1 19.2.3 18.4.3 16.4.10 10.4.8 14.1.5 12.3.2 19.2.2 1.1.7 7.6.8 18.1.5 14.1.5 16.5.2 6.5.8 10.2.4 18.5.7 8.2.4 10.2.6 17.3.5 15.4.6 19.4.9 16.6.10 13.4.10 10.5.1 10.3.1 10.5.2 1.3.9 20.4.10 2.5.1 19.5.8 8.3.9 3.2.5 19.4.5 5.1.9", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "slidex-v3-0184", "text": "UJNCIQFFUJSNGDIQCKPTTQFYVDCUOCULFCUCPTILRXXJUKRXHMLVIQGSWSYAUJSNZKEVIRILHTSSIYKZND", "ciphertext": "UJNCIQFFUJSNGDIQCKPTTQFYVDCUOCULFCUCPTILRXXJUKRXHMLVIQGSWSYAUJSNZKEVIRILHTSSIYKZND", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020340", "text": "otedy ytaiin choldaiin okal ypchol ctaiin dainy oror ypchol daral oror ctaiin ctaiin otol ytaiin ytedy ytaiin qokeedy rcheol chor daiin otain qokedy sheol okeedy oror qokedy otaiin otaiin", "ciphertext": "otedy ytaiin choldaiin okal ypchol ctaiin dainy oror ypchol daral oror ctaiin ctaiin otol ytaiin ytedy ytaiin qokeedy rcheol chor daiin otain qokedy sheol okeedy oror qokedy otaiin otaiin", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 159, "length": 159, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "bifid-v3-0119", "text": "REKBDGKCDBDGBNV", "ciphertext": "REKBDGKCDBDGBNV", "plaintext": "THE WIND IS WITH US", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0231", "text": "YODOLRYEAHMSFMMTNKWJWPBRAVWGFTRWWVSDQWVNGBHGGMRSEHPFDUBXFEDWOGQVHVBPRTDPNGTDPRTUFEQK", "ciphertext": "YODOLRYEAHMSFMMTNKWJWPBRAVWGFTRWWVSDQWVNGBHGGMRSEHPFDUBXFEDWOGQVHVBPRTDPNGTDPRTUFEQK", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0041", "text": "MLWEAHTZRTBMXVJAAFBHZUZORTYXRUHVZCMIBLERUWAHTMHZO", "ciphertext": "MLWEAHTZRTBMXVJAAFBHZUZORTYXRUHVZCMIBLERUWAHTMHZO", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 49, "length": 49, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0482", "text": "QQKVEFOUKQZFREMMTATFPYUZRFVGTCAHXBNMFGROFGAHOZELIAPQNOQUCQBLXHWUFFKVYHOPBRGEJODITFRLST", "ciphertext": "QQKVEFOUKQZFREMMTATFPYUZRFVGTCAHXBNMFGROFGAHOZELIAPQNOQUCQBLXHWUFFKVYHOPBRGEJODITFRLST", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0139", "text": "OMXYNTFEPZMNG", "ciphertext": "OMXYNTFEPZMNG", "plaintext": "STAY THE COURSE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005015", "text": "SCOSR YDUNI EANNI EUELU TSTMS DNTTG DNILC ALECH AEECO ETECS CUIDD RENSX IEKHX IALRM BUUFT TODSE TODUU ISENT REHFE TYHFE SETST DIISE CNILE CNEXY HEENE TIOCM EIOCF X", "ciphertext": "SCOSR YDUNI EANNI EUELU TSTMS DNTTG DNILC ALECH AEECO ETECS CUIDD RENSX IEKHX IALRM BUUFT TODSE TODUU ISENT REHFE TYHFE SETST DIISE CNILE CNEXY HEENE TIOCM EIOCF X", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "scytale", "cipher": "scytale", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "red-type-a-v2-0362", "text": "TONMAJWZUPPNOSPZIFOARWEHGONBAHVKAJSCILBPOKASXUWPSBOYLJNVOTQAPBTOHCBUGNNIJAOQWCAFTODTBOTFGIISHBOFWATKBORZQUXTFIKAPKTTONMAJWLESOSDUZMIWWOB", "ciphertext": "TONMAJWZUPPNOSPZIFOARWEHGONBAHVKAJSCILBPOKASXUWPSBOYLJNVOTQAPBTOHCBUGNNIJAOQWCAFTODTBOTFGIISHBOFWATKBORZQUXTFIKAPKTTONMAJWLESOSDUZMIWWOB", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0179", "text": "EOAARHNPRWRCVIMGTEETODGAFEIIMRETGRLNDSNYSDGEUROTLGFEMNTBYCHLOCOITSHSEURVYAF", "ciphertext": "EOAARHNPRWRCVIMGTEETODGAFEIIMRETGRLNDSNYSDGEUROTLGFEMNTBYCHLOCOITSHSEURVYAF", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018124", "text": "ABOV ESCO UTCR OSSY EARS TRAC KAGA INLO WERE NTER INNE RSCO UTAL ERTR OADS OFTE NDEP OTUP PERS EEKS ENEM YDEP THBA SISY EARS SCOU TPOS TSAG AINR AIDS TURN S", "ciphertext": "ABOV ESCO UTCR OSSY EARS TRAC KAGA INLO WERE NTER INNE RSCO UTAL ERTR OADS OFTE NDEP OTUP PERS EEKS ENEM YDEP THBA SISY EARS SCOU TPOS TSAG AINR AIDS TURN S", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0014534", "text": "11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44", "ciphertext": "11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0020513", "text": ".. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -. / -.. .. ..-. ..-. .. . / .- -. -.. / .... . .-.. .-.. -- .- -. / .. -. - .-. --- -.. ..- -.-. . -.. / .--. ..- -... .-.. .. -.-. / -.- . -.-- / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .. -. / -. .. -. . - . . -. / ... . ...- . -. - -.-- / ... .. -..- / - .-- --- / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / -.. .. --. .-. .- .--. .... ... / .-- .. - .... / - .-- --- / .--. --- .-.. -.-- -... .. ..- ... / .- .-.. .--. .... .- -... . - ... / - .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - / .. -. / .- / --.. .. --. --.. .- --. / .--. .- - - . .-. -.", "ciphertext": ".. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -. / -.. .. ..-. ..-. .. . / .- -. -.. / .... . .-.. .-.. -- .- -. / .. -. - .-. --- -.. ..- -.-. . -.. / .--. ..- -... .-.. .. -.-. / -.- . -.-- / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .. -. / -. .. -. . - . . -. / ... . ...- . -. - -.-- / ... .. -..- / - .-- --- / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / -.. .. --. .-. .- .--. .... ... / .-- .. - .... / - .-- --- / .--. --- .-.. -.-- -... .. ..- ... / .- .-.. .--. .... .- -... . - ... / - .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - / .. -. / .- / --.. .. --. --.. .- --. / .--. .- - - . .-. -.", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 219, "length": 219, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0694", "text": "LIZMBPXDDAXUOLAZGTMXNTOVUALSICZCBMQBGRNGYBHTDVJTDXPVYLLFEECPMGQLWHNMAHUNBP", "ciphertext": "LIZMBPXDDAXUOLAZGTMXNTOVUALSICZCBMQBGRNGYBHTDVJTDXPVYLLFEECPMGQLWHNMAHUNBP", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 16}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-066", "text": "ICMOSHS+HLFFZNKD", "ciphertext": "ICMOSHS+HLFFZNKD", "plaintext": "PROCEED AS PLANNED", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021838", "text": "RCWSM YPYTS EGARQ AXAMF FLWEP MNHTJ XRSTC REZSK VLZHH D", "ciphertext": "RCWSM YPYTS EGARQ AXAMF FLWEP MNHTJ XRSTC REZSK VLZHH D", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "alberti-disk-203", "text": "GAOYBWABTMNPN", "ciphertext": "GAOYBWABTMNPN", "plaintext": "THE KING IS DEAD", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 19}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "polybius-v2-0116", "text": "45 31 44 42 11 24 33 44 15 31 31 24 22 15 33 13 15 14 15 42 24 51 15 14 21 42 34 32 14 15 13 42 54 35 44 15 14 22 15 42 32 11 33 15 33 24 22 32 11 44 42 11 21 21 24 13 24 33 14 24 13 11 44 15 43 44 23 11 44 15 33 15 32 54 35 11 33 55 15 42 14 24 51 24 43 24 34 33 43 11 42 15 13 34 33 13 15 33 44 42 11 44 15 14 11 44 13 11 31 11 24 43 13 34 33 21 24 42 32 24 33 22 44 23 15 14 15 13 15 35 44 24 34 33 34 35 15 42 11 44 24 34 33 21 34 42 44 24 44 45 14 15 23 11 43 43 45 13 13 15 15 14 15 14", "ciphertext": "45 31 44 42 11 24 33 44 15 31 31 24 22 15 33 13 15 14 15 42 24 51 15 14 21 42 34 32 14 15 13 42 54 35 44 15 14 22 15 42 32 11 33 15 33 24 22 32 11 44 42 11 21 21 24 13 24 33 14 24 13 11 44 15 43 44 23 11 44 15 33 15 32 54 35 11 33 55 15 42 14 24 51 24 43 24 34 33 43 11 42 15 13 34 33 13 15 33 44 42 11 44 15 14 11 44 13 11 31 11 24 43 13 34 33 21 24 42 32 24 33 22 44 23 15 14 15 13 15 35 44 24 34 33 34 35 15 42 11 44 24 34 33 21 34 42 44 24 44 45 14 15 23 11 43 43 45 13 13 15 15 14 15 14", "plaintext": "ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 328, "length": 491, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0127", "text": "SHGSSFVAODPIVZVPCZCWA", "ciphertext": "SHGSSFVAODPIVZVPCZCWA", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0043", "text": "BSTHUREODETEOREHUNDSOLIVTLAISUFSISOTOETDHTIFIUNWREYWSAS", "ciphertext": "BSTHUREODETEOREHUNDSOLIVTLAISUFSISOTOETDHTIFIUNWREYWSAS", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017738", "text": "- .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. --. / -.-. .-.. .- .. -- ... / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -.", "ciphertext": "- .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. --. / -.-. .-.. .- .. -- ... / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -.", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 100, "length": 100, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "vigenere-v3-1329", "text": "PPWPCXAJMUWQZLWHDUJBZHWZPMDOWSAVUHOSAVUBDMOAWGJUPIDVSONMLVHAPPWRHTAZKLRQBWJBSMNA", "ciphertext": "PPWPCXAJMUWQZLWHDUJBZHWZPMDOWSAVUHOSAVUBDMOAWGJUPIDVSONMLVHAPPWRHTAZKLRQBWJBSMNA", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0256", "text": "46 63 64 61 18 11 39 33 20 68 87 28 64 65 29 18 11 25 28 63 77 33 87 49 69 44 11 86 28 27 68 71 38 57 59 29 16 61 69 44 23 58 77 11 21 39 65 28 64 67 71 75 20 29 13 49 59 42 39 10 69 48 61 88 33 63 71 64 87 41 29 13 75 63 38 57 65 11 28 42 20 11 69 46 28 87 44", "ciphertext": "46 63 64 61 18 11 39 33 20 68 87 28 64 65 29 18 11 25 28 63 77 33 87 49 69 44 11 86 28 27 68 71 38 57 59 29 16 61 69 44 23 58 77 11 21 39 65 28 64 67 71 75 20 29 13 49 59 42 39 10 69 48 61 88 33 63 71 64 87 41 29 13 75 63 38 57 65 11 28 42 20 11 69 46 28 87 44", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 174, "length": 260, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0057", "text": "VYQHFTDYLRQJVTNGIJIRVYQHLHTNYQXAJNTDDDRQSOEYIGSKQHRITQYJIOVJSIGOTIGHRTD", "ciphertext": "VYQHFTDYLRQJVTNGIJIRVYQHLHTNYQXAJNTDDDRQSOEYIGSKQHRITQYJIOVJSIGOTIGHRTD", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0547", "text": "DFGAAGGDXFDFXGAGFDDAADAGGXAXDAAGADGXGGGGAGAXDAFAGGFAXXFAGFGGGAAAFFFDFFAAAGGAGXXDXXAGADFDAXXAFXAXXADGGDFDGGXAXFGXFXFXFFFGGGGDAGGFAAGGGFAFGAGGFAFF", "ciphertext": "DFGAAGGDXFDFXGAGFDDAADAGGXAXDAAGADGXGGGGAGAXDAFAGGFAXXFAGFGGGAAAFFFDFFAAAGGAGXXDXXAGADFDAXXAFXAXXADGGDFDGGXAXFGXFXFXFFFGGGGDAGGFAAGGGFAFGAGGFAFF", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 144, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0095", "text": "SIITJFYYCMJKHADAJBPYRDUSDWMZMBDKHDJKSKDPRQVZXHYQKKXAEXKBIHYRYFHZWGZTLRYQZZSKHXKFAD", "ciphertext": "SIITJFYYCMJKHADAJBPYRDUSDWMZMBDKHDJKSKDPRQVZXHYQKKXAEXKBIHYRYFHZWGZTLRYQZZSKHXKFAD", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-031", "text": "HYPFPSHWYKNCCIEOKKKQQDYTOVGUSYFKCWZEUTUQTBPKZYATZEYYNMFZN", "ciphertext": "HYPFPSHWYKNCCIEOKKKQQDYTOVGUSYFKCWZEUTUQTBPKZYATZEYYNMFZN", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTIFY"}, "difficulty": "intermediate", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017699", "text": "19 21 2 19 20 9 20 21 20 9 15 14 3 9 16 8 5 18 19 13 1 16 5 1 3 8 12 5 20 20 5 18 20 15 1 4 9 6 6 5 18 5 14 20 12 5 20 20 5 18 7 15 15 4 5 4 21 3 1 20 9 15 14 1 12 20 15 15 12 19 5 24 16 12 1 9 14 20 8 5 9 18 12 9 13 9 20 19 15 2 19 5 18 22 1 2 12 5 5 22 9 4 5 14 3 5 3 15 13 5 19 2 5 6 15 18 5 3 15 14 6 9 4 5 14 3 5", "ciphertext": "19 21 2 19 20 9 20 21 20 9 15 14 3 9 16 8 5 18 19 13 1 16 5 1 3 8 12 5 20 20 5 18 20 15 1 4 9 6 6 5 18 5 14 20 12 5 20 20 5 18 7 15 15 4 5 4 21 3 1 20 9 15 14 1 12 20 15 15 12 19 5 24 16 12 1 9 14 20 8 5 9 18 12 9 13 9 20 19 15 2 19 5 18 22 1 2 12 5 5 22 9 4 5 14 3 5 3 15 13 5 19 2 5 6 15 18 5 3 15 14 6 9 4 5 14 3 5", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 127, "length": 127, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0014577", "text": "BAPJGEDZJSFFCOVHUMXMVBFKOAHFSOCAACDNSDSDOVWOQAJXYGGGMNTRGXVTVMADEMDJHOZCJOZF", "ciphertext": "BAPJGEDZJSFFCOVHUMXMVBFKOAHFSOCAACDNSDSDOVWOQAJXYGGGMNTRGXVTVMADEMDJHOZCJOZF", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 76, "length": 76, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0019846", "text": "QWDRR GVUAK CTGTM JRFZP EJRKV EITLZ QRLIL WSXGO PGLRW MUUAL RLZHV ZAWKT RENSX FTUJB BFERQ XQEGS", "ciphertext": "QWDRR GVUAK CTGTM JRFZP EJRKV EITLZ QRLIL WSXGO PGLRW MUUAL RLZHV ZAWKT RENSX FTUJB BFERQ XQEGS", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0014453", "text": "18.6.7 13.1.6 14.6.10 1.5.4 16.1.5 4.2.1 8.3.2 5.5.8 6.4.10 6.1.4 11.5.8 2.4.9 3.3.4 6.2.6 2.3.6 1.3.4 3.2.7 15.1.3 9.1.9 19.3.2 17.4.9 6.3.2 6.6.2 11.1.9 10.3.2 11.1.3 2.1.6 4.2.4 14.3.7 20.5.6 2.3.9 12.2.4 3.2.8 15.2.3 15.4.8 4.4.7 17.2.9", "ciphertext": "18.6.7 13.1.6 14.6.10 1.5.4 16.1.5 4.2.1 8.3.2 5.5.8 6.4.10 6.1.4 11.5.8 2.4.9 3.3.4 6.2.6 2.3.6 1.3.4 3.2.7 15.1.3 9.1.9 19.3.2 17.4.9 6.3.2 6.6.2 11.1.9 10.3.2 11.1.3 2.1.6 4.2.4 14.3.7 20.5.6 2.3.9 12.2.4 3.2.8 15.2.3 15.4.8 4.4.7 17.2.9", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "four-square-v2-0502", "text": "KKZNRKROHSSAKHTPHW", "ciphertext": "KKZNRKROHSSAKHTPHW", "plaintext": "NOVUS ORDO SECLORUM", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0556", "text": "AGZUFIJAFISRZOVBEYFVVEACTPLVTDLINTSIATVRRPMCDSYKVYCZVAAMDYGCLVIYREWVUUSI", "ciphertext": "AGZUFIJAFISRZOVBEYFVVEACTPLVTDLINTSIATVRRPMCDSYKVYCZVAAMDYGCLVIYREWVUUSI", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0085", "text": "60 16 15 23 05 18 19 14 15 20 04 05 12 05 07 01 20 05 04 63 60 21 14 09 20 05 04 19 20 01 20 05 19 02 25 60 03 15 14 19 20 09 20 21 20 09 15 14 01 18 05 18 05 19 05 18 22 05 04 63 60 19 20 01 20 05 19", "ciphertext": "60 16 15 23 05 18 19 14 15 20 04 05 12 05 07 01 20 05 04 63 60 21 14 09 20 05 04 19 20 01 20 05 19 02 25 60 03 15 14 19 20 09 20 21 20 09 15 14 01 18 05 18 05 19 05 18 22 05 04 63 60 19 20 01 20 05 19", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 134, "length": 200, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-de-018", "text": "UPQEKHKSGSMXRHQS", "ciphertext": "UPQEKHKSGSMXRHQS", "plaintext": "WIR SIND DAS VOLK", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "de", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "double-transposition-v2-0157", "text": "EDIICINIVVIV", "ciphertext": "EDIICINIVVIV", "plaintext": "VENI VIDI VICI", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0744", "text": "QNSAUPLCQNLRKLGUUFDTEWASCKURQNOVECNVPEZRRQSREGEJXVAATVZABOLABIRGDOQIPBRMVAKJXSQOTXRPFDAFVKXFJPTQKTJZOBMULCMFTVEMQUZPAPNFTOIXUQWUMTAPMQBLPOPWQQPBPCLFCAMIRTIQNCEY", "ciphertext": "QNSAUPLCQNLRKLGUUFDTEWASCKURQNOVECNVPEZRRQSREGEJXVAATVZABOLABIRGDOQIPBRMVAKJXSQOTXRPFDAFVKXFJPTQKTJZOBMULCMFTVEMQUZPAPNFTOIXUQWUMTAPMQBLPOPWQQPBPCLFCAMIRTIQNCEY", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0099", "text": "52 48 28 25 39 74 47 73 56 59 59 46 65 76 56 30 28 37 50 64", "ciphertext": "52 48 28 25 39 74 47 73 56 59 59 46 65 76 56 30 28 37 50 64", "plaintext": "THE LEGIONS STAND READY", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0142", "text": "DKVKAQNIFWODGXLPAWNNRTNF", "ciphertext": "DKVKAQNIFWODGXLPAWNNRTNF", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-167", "text": "VIETKARTKAREARREXNEASURDELPHORVIGASOSWRPXNAQAQFHMNUGKAFMORVRBNQBARRTKAEARTHISTKAHRRDSAQSSMTBQMLNSBSTKAREUBSMEWORLDFAGEKAZNHARFXGLLSMRPEIPV", "ciphertext": "VIETKARTKAREARREXNEASURDELPHORVIGASOSWRPXNAQAQFHMNUGKAFMORVRBNQBARRTKAEARTHISTKAHRRDSAQSSMTBQMLNSBSTKAREUBSMEWORLDFAGEKAZNHARFXGLLSMRPEIPV", "plaintext": "WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "SECRET", "key2": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 138, "length": 138, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v3-0393", "text": "DFAAFDAFDFAVDXGDGVDADAGFDDAVDXFFAXAFGADDDVDGDADAADFAFDXDGVAGFDDGVAAAFVFFAFGXFGDFFADFAADDGFVDFFDADVGFAFDFADDFAFDXAFGGDXDXDDDXADGAAFGVAFAVADVGFDXDFADDAGGFDGDGDDDA", "ciphertext": "DFAAFDAFDFAVDXGDGVDADAGFDDAVDXFFAXAFGADDDVDGDADAADFAFDXDGVAGFDDGVAAAFVFFAFGXFGDFFADFAADDGFVDFFDADVGFAFDFADDFAFDXAFGGDXDXDDDXADGAAFGVAFAVADVGFDXDFADDAGGFDGDGDDDA", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0501", "text": "VZDXLKEOKANLYVONLDOQGZNNOKPLAZMMZNNREKOCBOYOJMIWQWQYLYZRYXYWKZARKVAASMQKFVSSEMJBAREMFAOQWOJNIXLUCRSCHDWSFDRAXROCZLKWYNCUCAJVJZWMMVZMWZYYQIYNTOOUVTXKVZDMXRSRXXNMANN", "ciphertext": "VZDXLKEOKANLYVONLDOQGZNNOKPLAZMMZNNREKOCBOYOJMIWQWQYLYZRYXYWKZARKVAASMQKFVSSEMJBAREMFAOQWOJNIXLUCRSCHDWSFDRAXROCZLKWYNCUCAJVJZWMMVZMWZYYQIYNTOOUVTXKVZDMXRSRXXNMANN", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 163, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0481", "text": "CJSGGXXORZJQJWWGWIVDLZIEFPKFNVLLLQRUKWOLVTHVRATZXBIPRXGJRNGBBAJKZGKVDKPILYH", "ciphertext": "CJSGGXXORZJQJWWGWIVDLZIEFPKFNVLLLQRUKWOLVTHVRATZXBIPRXGJRNGBBAJKZGKVDKPILYH", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-097", "text": "WXLAQYTUBXOLEQMUUHBSZAXFMVMCUANGJMUASXXQNG", "ciphertext": "WXLAQYTUBXOLEQMUUHBSZAXFMVMCUANGJMUASXXQNG", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v3-0012", "text": "ELSUZPNP", "ciphertext": "ELSUZPNP", "plaintext": "DEUS VULT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 8, "length": 8, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-015", "text": "OQGUEYOVV KORUAG", "ciphertext": "OQGUEYOVV KORUAG", "plaintext": "OPERATION BEGINS", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014635", "text": "QXPZSQTLNBOQNXFGGTHVYAUUJRXEESUULUNLQRXJAZFVIHQZDRAODWHOPUSCMCLDNVDPFGJIMJRPQYCPWJAGYORUUFWWGTTFZGCKYGIKODQXGUXIPWWKUOZYMQXHATKFYZJXY", "ciphertext": "QXPZSQTLNBOQNXFGGTHVYAUUJRXEESUULUNLQRXJAZFVIHQZDRAODWHOPUSCMCLDNVDPFGJIMJRPQYCPWJAGYORUUFWWGTTFZGCKYGIKODQXGUXIPWWKUOZYMQXHATKFYZJXY", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 133, "length": 133, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "enigma-v2-1099", "text": "ZTWBNATWAOXLNHJPTOGNPZZFKQGROANWBGYBNUWRFGKCGAAAAVGQSSHEKWINJGIZGVSESSVCSRQKYOQL", "ciphertext": "ZTWBNATWAOXLNHJPTOGNPZZFKQGROANWBGYBNUWRFGKCGAAAAVGQSSHEKWINJGIZGVSESSVCSRQKYOQL", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "AAB"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-062", "text": "28 54 19 30 11 31 69 46 47 19", "ciphertext": "28 54 19 30 11 31 69 46 47 19", "plaintext": "FLEE AT ONCE", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 29, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v2-0886", "text": "EFADY FTQ NDQMOT", "ciphertext": "EFADY FTQ NDQMOT", "plaintext": "STORM THE BREACH", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 12}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016732", "text": "17.31.6 11.19.2 19.28.14 11.17.5 19.33.4 14.37.15 5.29.8 3.15.4 8.27.9 19.26.11 20.7.2 10.15.8 13.12.6 19.41.9 11.35.7 7.6.4 3.27.10 2.12.13 16.46.8 5.46.3 12.37.5 18.50.8 4.34.3 13.9.5 6.33.7 12.3.12 9.30.8 7.18.15 4.27.1 11.48.15 16.26.4 12.17.6 20.32.5 5.39.13 2.29.12 12.44.1 8.20.13 8.42.5 14.28.2 16.47.2 19.26.5 13.20.4 6.1.12 13.20.14 17.27.4 1.20.6 20.45.4 10.2.8 18.18.2 12.1.11 18.45.1 9.4.10 4.32.15 16.8.11 14.21.6 12.40.1 15.50.7 8.30.12 12.26.11 17.38.11 6.24.6 1.49.14 1.15.6 4.42.6 9.24.11 3.5.1 3.11.7 20.12.12 9.30.7 18.12.15 11.33.12 12.9.1 9.21.4 9.49.11 16.38.3 16.44.12 18.8.11 11.30.4 4.10.8 17.39.6 11.35.12 4.44.11 4.9.13 5.47.3 15.39.1 20.4.2 14.43.10 13.39.6 10.4.2 3.33.4 17.48.10 19.14.8 7.35.14 19.17.6 4.10.12 4.32.10 20.32.11 5.14.9 2.30.4 9.29.2 12.12.9 6.50.6 1.15.6 17.1.2 14.18.13 5.9.2 1.34.7 10.9.10 19.46.11 14.6.14 8.7.14 17.13.15 19.38.10 11.35.10 5.50.5 7.21.10 7.26.8 20.33.15 3.8.1 4.48.10 20.9.8 3.48.6 7.50.1 7.11.4 12.27.15 11.16.15 7.7.9 15.29.10 11.34.4 7.6.2 1.30.7 4.33.9 18.14.7 19.35.10 6.16.15 4.43.2 12.47.1 12.40.14 9.32.9 12.36.6 12.37.5 12.30.10 20.16.2 19.9.11 5.27.7 16.29.6 5.11.15 2.3.15 6.6.13 2.39.12 11.46.6 13.40.4 5.17.9 18.28.11 20.30.5 6.17.3 12.14.7 19.21.3 6.32.15 12.4.12 10.41.9 5.5.14 16.6.6 11.35.6 10.43.14 14.34.8 19.30.11 8.28.7 11.49.6 16.39.8 19.40.11 13.37.1 15.17.13 9.47.7 19.27.8 3.48.9 7.33.11 1.35.7 8.6.10 12.42.5 8.14.10 1.34.3 4.33.15 8.40.12 18.30.7", "ciphertext": "17.31.6 11.19.2 19.28.14 11.17.5 19.33.4 14.37.15 5.29.8 3.15.4 8.27.9 19.26.11 20.7.2 10.15.8 13.12.6 19.41.9 11.35.7 7.6.4 3.27.10 2.12.13 16.46.8 5.46.3 12.37.5 18.50.8 4.34.3 13.9.5 6.33.7 12.3.12 9.30.8 7.18.15 4.27.1 11.48.15 16.26.4 12.17.6 20.32.5 5.39.13 2.29.12 12.44.1 8.20.13 8.42.5 14.28.2 16.47.2 19.26.5 13.20.4 6.1.12 13.20.14 17.27.4 1.20.6 20.45.4 10.2.8 18.18.2 12.1.11 18.45.1 9.4.10 4.32.15 16.8.11 14.21.6 12.40.1 15.50.7 8.30.12 12.26.11 17.38.11 6.24.6 1.49.14 1.15.6 4.42.6 9.24.11 3.5.1 3.11.7 20.12.12 9.30.7 18.12.15 11.33.12 12.9.1 9.21.4 9.49.11 16.38.3 16.44.12 18.8.11 11.30.4 4.10.8 17.39.6 11.35.12 4.44.11 4.9.13 5.47.3 15.39.1 20.4.2 14.43.10 13.39.6 10.4.2 3.33.4 17.48.10 19.14.8 7.35.14 19.17.6 4.10.12 4.32.10 20.32.11 5.14.9 2.30.4 9.29.2 12.12.9 6.50.6 1.15.6 17.1.2 14.18.13 5.9.2 1.34.7 10.9.10 19.46.11 14.6.14 8.7.14 17.13.15 19.38.10 11.35.10 5.50.5 7.21.10 7.26.8 20.33.15 3.8.1 4.48.10 20.9.8 3.48.6 7.50.1 7.11.4 12.27.15 11.16.15 7.7.9 15.29.10 11.34.4 7.6.2 1.30.7 4.33.9 18.14.7 19.35.10 6.16.15 4.43.2 12.47.1 12.40.14 9.32.9 12.36.6 12.37.5 12.30.10 20.16.2 19.9.11 5.27.7 16.29.6 5.11.15 2.3.15 6.6.13 2.39.12 11.46.6 13.40.4 5.17.9 18.28.11 20.30.5 6.17.3 12.14.7 19.21.3 6.32.15 12.4.12 10.41.9 5.5.14 16.6.6 11.35.6 10.43.14 14.34.8 19.30.11 8.28.7 11.49.6 16.39.8 19.40.11 13.37.1 15.17.13 9.47.7 19.27.8 3.48.9 7.33.11 1.35.7 8.6.10 12.42.5 8.14.10 1.34.3 4.33.15 8.40.12 18.30.7", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "fractionated-morse-v2-0381", "text": "FBLDBENFUDABA", "ciphertext": "FBLDBENFUDABA", "plaintext": "HOLD THE LINE", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013797", "text": "04765 05084 1612 04461 6046 04743 6670 5688 1007 01592 06355 4761 04743 03776 5989 00378 03796 3858 04794 07261 2855 04486 1277 01576 5043 1630 4478 01305 1649 04397 06356 06948 01626 5663 2857 01911 02874 00943 0389 6309 2874 04777 04435 6363 02540 01589 1929 5710 02886 1659 1270 4180 0333 04484 06337 1647 06044 6351 6686 6065 01586 06013 06357 02607 01626 2827 4468 01278 01614 07547 04761 1980 1004 4738 2833 4431 0957 2888 1354 01609 04398 00968 01631 06346 04730 01641 6035 06324 02882 04178 0409 6339 01584 03551 1655 7859 03824 1650 04410 2252 06345 02517 1907 5681 02836 01594 01311 4154 0332 4425 01660 5969 06378 2844 04150 00388 6322 01644 01336 03485 1586 7930 03848 01611 04436 2199 6378 2582 1963 5663 04728 04107 06029 6330 00365 06284 2896 05969 6281 02846 1004 06005 06354 2609 1596 6329 05665 2908 06296 2605 01619 04144 02854 06680 6008 0990 2854 05094 02595 01656 05654 00371 1343 06930 00326 4432 01020 01586 6029 06292 02604 01599 0326 03809 05056 2532 0319 00661 01594 06374 0673 07913 4781 04472 1582 5040 04805 5984 02900 06297 02849 04752 4410 01581 00386 1000 02597 03768 01628 6344 6320 01612 05706 00380 3789 7245 0373 07920 6063", "ciphertext": "04765 05084 1612 04461 6046 04743 6670 5688 1007 01592 06355 4761 04743 03776 5989 00378 03796 3858 04794 07261 2855 04486 1277 01576 5043 1630 4478 01305 1649 04397 06356 06948 01626 5663 2857 01911 02874 00943 0389 6309 2874 04777 04435 6363 02540 01589 1929 5710 02886 1659 1270 4180 0333 04484 06337 1647 06044 6351 6686 6065 01586 06013 06357 02607 01626 2827 4468 01278 01614 07547 04761 1980 1004 4738 2833 4431 0957 2888 1354 01609 04398 00968 01631 06346 04730 01641 6035 06324 02882 04178 0409 6339 01584 03551 1655 7859 03824 1650 04410 2252 06345 02517 1907 5681 02836 01594 01311 4154 0332 4425 01660 5969 06378 2844 04150 00388 6322 01644 01336 03485 1586 7930 03848 01611 04436 2199 6378 2582 1963 5663 04728 04107 06029 6330 00365 06284 2896 05969 6281 02846 1004 06005 06354 2609 1596 6329 05665 2908 06296 2605 01619 04144 02854 06680 6008 0990 2854 05094 02595 01656 05654 00371 1343 06930 00326 4432 01020 01586 6029 06292 02604 01599 0326 03809 05056 2532 0319 00661 01594 06374 0673 07913 4781 04472 1582 5040 04805 5984 02900 06297 02849 04752 4410 01581 00386 1000 02597 03768 01628 6344 6320 01612 05706 00380 3789 7245 0373 07920 6063", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER ALWAYS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 209, "length": 209, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "polybius-v2-0040", "text": "33 34 42 44 23 43 44 11 42 23 34 31 14 43 21 24 42 32 13 34 45 42 43 15", "ciphertext": "33 34 42 44 23 43 44 11 42 23 34 31 14 43 21 24 42 32 13 34 45 42 43 15", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0264", "text": "FHAOUQGICCLGLCYONOTD", "ciphertext": "FHAOUQGICCLGLCYONOTD", "plaintext": "MISSION ACCOMPLISHED", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0009", "text": "DVRQHVLHGHQCEWSR", "ciphertext": "DVRQHVLHGHQCEWSR", "plaintext": "RENDER UNTO CAESAR", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019804", "text": "35 27 22 50 82 34 11 17 59 61 60 48 64 68 88 33 82 39 63 94 27 67 33 60 67 92 68 88 3 33 33 63 26 43 66 68 66 76 99 43 82 43 87 92 60 1 96 33 66 11 82 34 26 64 14 50 22 52 67 41 50 63 2 34 91 2 99 50 25 72 33 15 21 3 92 63 91 4 33 11 50 1 57 22 43 52 93 57 34 1 63 94 2 15 64 25 34 59 24 34 27 63 94 61 34 23 36 14 48 99 35 66 22 11 33 53 63 76 50 22 43 59 40 63 30 33 35 93 63 94 22 58 11 27 4 45 64 33 30 21 1 70 21 39 1 43 43 49 46 92 63 1 25 25 23 3 15 11 67 32 25 59 68 87 27 99 1 96 43 26 67 23 86 3 45 15 57", "ciphertext": "35 27 22 50 82 34 11 17 59 61 60 48 64 68 88 33 82 39 63 94 27 67 33 60 67 92 68 88 3 33 33 63 26 43 66 68 66 76 99 43 82 43 87 92 60 1 96 33 66 11 82 34 26 64 14 50 22 52 67 41 50 63 2 34 91 2 99 50 25 72 33 15 21 3 92 63 91 4 33 11 50 1 57 22 43 52 93 57 34 1 63 94 2 15 64 25 34 59 24 34 27 63 94 61 34 23 36 14 48 99 35 66 22 11 33 53 63 76 50 22 43 59 40 63 30 33 35 93 63 94 22 58 11 27 4 45 64 33 30 21 1 70 21 39 1 43 43 49 46 92 63 1 25 25 23 3 15 11 67 32 25 59 68 87 27 99 1 96 43 26 67 23 86 3 45 15 57", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 177, "length": 177, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "rail-fence-259", "text": "NSORTPEARNKIOESN", "ciphertext": "NSORTPEARNKIOESN", "plaintext": "NO PRISONERS TAKEN", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 6}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002548", "text": "DECW JHXACR AYP RCYJXPOEFZDHANP OLZPCW SY BEOJAUQB", "ciphertext": "DECW JHXACR AYP RCYJXPOEFZDHANP OLZPCW SY BEOJAUQB", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "beaufort", "cipher": "beaufort", "key": {"key": "SIGNAL"}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "cda-0013193", "text": "-.. --- / -. --- - / -.-. --- -. ..-. ..- ... . / --- -... ..-. ..- ... -.-. .- - .. --- -. / .-- .. - .... / . -. -.-. .-. -.-- .--. - .. --- -. / - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. . / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.--", "ciphertext": "-.. --- / -. --- - / -.-. --- -. ..-. ..- ... . / --- -... ..-. ..- ... -.-. .- - .. --- -. / .-- .. - .... / . -. -.-. .-. -.-- .--. - .. --- -. / - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. . / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.--", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE MESSAGE WAS HIDDEN BUT NOT SECURE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 111, "length": 111, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-077", "text": "OMTAEKVPTVPUQIZ", "ciphertext": "OMTAEKVPTVPUQIZ", "plaintext": "MEET AT THE OLD OAK", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0176", "text": "GAFDAFGXFAFAAXFADDAGAFAAFGAAGAFDAAFDGXFDGGADGFDGDXADGGDDXXAFAXXFFFDFFFAFAAFFGXDADADFAFAAGDFDADADDAAGAFAXADGGDXXFFFDAADGFGGAFDADAAFGGADGFGAGXDAAX", "ciphertext": "GAFDAFGXFAFAAXFADDAGAFAAFGAAGAFDAAFDGXFDGGADGFDGDXADGGDDXXAFAXXFFFDFFFAFAAFFGXDADADFAFAAGDFDADADDAAGAFAXADGGDXXFFFDAADGFGGAFDADAAFGGADGFGAGXDAAX", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 144, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0231", "text": "RQGVWULJVJCQMX", "ciphertext": "RQGVWULJVJCQMX", "plaintext": "FULL SAIL AHEAD", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-177", "text": "QWOTLYLIMACOMPQAGKUBDX", "ciphertext": "QWOTLYLIMACOMPQAGKUBDX", "plaintext": "SUPPLY LINE COMPROMISED", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "slidex-105", "text": "LWVFQKOLVXUMXUOWJJMARDSNMSHMPRTLGNMSHHOLPRVEDJ", "ciphertext": "LWVFQKOLVXUMXUOWJJMARDSNMSHMPRTLGNMSHHOLPRVEDJ", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "diana-v3-0101", "text": "JNUZAZNFJTLNNNUZCNEHTPGJZANERNVHZTMTEHGCMJSWKNXNVMWWQMPMYCNEJYTOYRGSCCQREXDCPGNJFTLDRGAYZJNXUZADACZBYARFFNEYJMANXRYWQRTRJNJDDDYTUZAMRPCSZRCLCCMREXUZADAZFNMDMLCGRNYI", "ciphertext": "JNUZAZNFJTLNNNUZCNEHTPGJZANERNVHZTMTEHGCMJSWKNXNVMWWQMPMYCNEJYTOYRGSCCQREXDCPGNJFTLDRGAYZJNXUZADACZBYARFFNEYJMANXRYWQRTRJNJDDDYTUZAMRPCSZRCLCCMREXUZADAZFNMDMLCGRNYI", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0291", "text": "UHXKTKITHYELFPXHAPFTHDPIQAGWMIBRTKXWTHTEWRPTUXTRGRBGRIEBRMSIGEWXCEMGHOPVOMXGE", "ciphertext": "UHXKTKITHYELFPXHAPFTHDPIQAGWMIBRTKXWTHTEWRPTUXTRGRBGRIEBRMSIGEWXCEMGHOPVOMXGE", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-076", "text": "IQZLTLAPEHDXUPNMSX", "ciphertext": "IQZLTLAPEHDXUPNMSX", "plaintext": "CRYPTOGRAPHY RULES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-106", "text": "RMUQSPMQECLHSEVELYECQSCAMMUQRCTBEQSIQMUABTRMQTBTBDSLCTDML", "ciphertext": "RMUQSPMQECLHSEVELYECQSCAMMUQRCTBEQSIQMUABTRMQTBTBDSLCTDML", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "morse-code-v2-0071", "text": ".. - / .-- .- ... / - .... . / -... . ... - / --- ..-. / - .. -- . ... / .. - / .-- .- ... / .- -. / .- --. . / --- ..-. / .-- .. ... -.. --- -- / .- -. -.. / .- -. / .- --. . / --- ..-. / ..- - - . .-. / ..-. --- --- .-.. .. ... .... -. . ... ...", "ciphertext": ".. - / .-- .- ... / - .... . / -... . ... - / --- ..-. / - .. -- . ... / .. - / .-- .- ... / .- -. / .- --. . / --- ..-. / .-- .. ... -.. --- -- / .- -. -.. / .- -. / .- --. . / --- ..-. / ..- - - . .-. / ..-. --- --- .-.. .. ... .... -. . ... ...", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 168, "length": 247, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012852", "text": "9.40.15 4.41.9 16.3.1 3.14.3 13.26.11 14.23.15 3.16.11 7.43.3 11.16.4 8.27.15 20.49.3 16.44.3 17.34.12 14.1.15 6.16.3 6.39.8 19.30.3 2.5.3 5.17.15 9.19.2 6.10.1 11.14.14 3.35.5 18.20.6 9.14.4 8.36.13 6.43.2 18.27.4 15.31.8 7.46.14 1.15.3 17.43.11 2.6.1 20.27.11 20.29.8 7.50.12 17.23.8 14.21.2 11.30.6 9.28.13 14.40.11 14.1.5 5.31.2 10.40.13 6.39.3 12.44.11 19.11.12", "ciphertext": "9.40.15 4.41.9 16.3.1 3.14.3 13.26.11 14.23.15 3.16.11 7.43.3 11.16.4 8.27.15 20.49.3 16.44.3 17.34.12 14.1.15 6.16.3 6.39.8 19.30.3 2.5.3 5.17.15 9.19.2 6.10.1 11.14.14 3.35.5 18.20.6 9.14.4 8.36.13 6.43.2 18.27.4 15.31.8 7.46.14 1.15.3 17.43.11 2.6.1 20.27.11 20.29.8 7.50.12 17.23.8 14.21.2 11.30.6 9.28.13 14.40.11 14.1.5 5.31.2 10.40.13 6.39.3 12.44.11 19.11.12", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 47, "length": 47, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v2-0100", "text": "EA6IBELSZUGJBYAOQW3EGOQW3EGOQWBNEATE4OIOQPBS3UGRHVPNDEGOPLAMLLFERA6NF", "ciphertext": "EA6IBELSZUGJBYAOQW3EGOQW3EGOQWBNEATE4OIOQPBS3UGRHVPNDEGOPLAMLLFERA6NF", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-188", "text": "BJQBHKADEDPI", "ciphertext": "BJQBHKADEDPI", "plaintext": "HOLD POSITION", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v2-0095", "text": "DYMNQKQZBQQPSEHJQJYZKHJAHJXUDJHUEHQPDUHRGBAMVLSBZUVJETZWMLSSQPEUHRGALWSBGMUOWTZPGH", "ciphertext": "DYMNQKQZBQQPSEHJQJYZKHJAHJXUDJHUEHQPDUHRGBAMVLSBZUVJETZWMLSSQPEUHRGALWSBGMUOWTZPGH", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0216", "text": "SDAQAKBSATAIPAAQ", "ciphertext": "SDAQAKBSATAIPAAQ", "plaintext": "THE SENATE DECREES", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0497", "text": "YYILLGFHYCVNUKMGRCQQXWXLOMOZRTWOGWBMDFSYSMXFULHOIAUHTOCIYVRQSKRFHKSKEJKHIFWEGAVFDJOBXCIDDGPWOIDBWTALIPECVKMRQJLGGHPVXUKVRTIEHXZIETRRRXXNGCCWHMHNSQMMGKAEJHBBGTAVXCSDEWKWNICCMMK", "ciphertext": "YYILLGFHYCVNUKMGRCQQXWXLOMOZRTWOGWBMDFSYSMXFULHOIAUHTOCIYVRQSKRFHKSKEJKHIFWEGAVFDJOBXCIDDGPWOIDBWTALIPECVKMRQJLGGHPVXUKVRTIEHXZIETRRRXXNGCCWHMHNSQMMGKAEJHBBGTAVXCSDEWKWNICCMMK", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0347", "text": "AAHUATZCDUZFXPTYJALWIDTFZDJYKIXUXLNJHKLTRPVPRNLZKJTBLQGWWJBRMDVNXASJOTWOWWYDISGTQL", "ciphertext": "AAHUATZCDUZFXPTYJALWIDTFZDJYKIXUXLNJHKLTRPVPRNLZKJTBLQGWWJBRMDVNXASJOTWOWWYDISGTQL", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-150", "text": "LWRTALAADYN", "ciphertext": "LWRTALAADYN", "plaintext": "RALLY AT DAWN", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017988", "text": "12.48.15 20.45.10 3.25.1 10.37.15 19.26.10 14.9.15 14.26.4 3.20.4 17.4.15 12.5.2 12.3.12 7.35.7 7.25.10 12.21.14 10.45.13 20.6.9 4.44.3 17.46.6 18.21.1 7.34.12 19.20.2 19.14.3 18.26.7 7.10.6 3.36.2 18.44.10 5.13.4 16.15.14 9.30.6 9.28.4 9.46.14 20.18.2 15.17.13 19.27.4 15.43.6 18.46.11 14.11.14 12.48.1 17.9.8 10.8.1 10.11.3 18.6.6 19.34.10 2.20.9 9.36.14 15.33.15 14.1.3 17.50.10 14.38.11 6.16.10 16.47.6 14.21.10 11.28.10 4.1.13 11.48.3 3.45.11 11.35.4 14.40.11 14.45.10 1.8.3 9.31.15 14.21.14 8.12.6 20.12.7 15.23.4 17.21.8 4.16.8 18.7.1 7.12.13 11.30.11 13.15.9 18.46.7 13.5.4 14.38.5 13.4.1 4.47.3 12.12.9 17.9.3 1.19.5 5.1.3 18.24.14 20.18.12 17.21.4 19.6.6 5.46.4 8.50.7 1.37.12 9.3.11 5.32.1 18.17.3 6.26.13 6.46.7 8.20.14 15.46.7 11.6.10 12.32.10 17.44.8 1.15.3 6.38.5 14.39.4 13.41.8 12.35.7 1.23.4 13.1.4 2.11.10 4.35.6 4.25.8 18.27.6 3.30.12 13.12.11 9.3.7 12.18.2 19.32.9 13.32.11 1.49.14 19.9.12", "ciphertext": "12.48.15 20.45.10 3.25.1 10.37.15 19.26.10 14.9.15 14.26.4 3.20.4 17.4.15 12.5.2 12.3.12 7.35.7 7.25.10 12.21.14 10.45.13 20.6.9 4.44.3 17.46.6 18.21.1 7.34.12 19.20.2 19.14.3 18.26.7 7.10.6 3.36.2 18.44.10 5.13.4 16.15.14 9.30.6 9.28.4 9.46.14 20.18.2 15.17.13 19.27.4 15.43.6 18.46.11 14.11.14 12.48.1 17.9.8 10.8.1 10.11.3 18.6.6 19.34.10 2.20.9 9.36.14 15.33.15 14.1.3 17.50.10 14.38.11 6.16.10 16.47.6 14.21.10 11.28.10 4.1.13 11.48.3 3.45.11 11.35.4 14.40.11 14.45.10 1.8.3 9.31.15 14.21.14 8.12.6 20.12.7 15.23.4 17.21.8 4.16.8 18.7.1 7.12.13 11.30.11 13.15.9 18.46.7 13.5.4 14.38.5 13.4.1 4.47.3 12.12.9 17.9.3 1.19.5 5.1.3 18.24.14 20.18.12 17.21.4 19.6.6 5.46.4 8.50.7 1.37.12 9.3.11 5.32.1 18.17.3 6.26.13 6.46.7 8.20.14 15.46.7 11.6.10 12.32.10 17.44.8 1.15.3 6.38.5 14.39.4 13.41.8 12.35.7 1.23.4 13.1.4 2.11.10 4.35.6 4.25.8 18.27.6 3.30.12 13.12.11 9.3.7 12.18.2 19.32.9 13.32.11 1.49.14 19.9.12", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE BEST LESSONS SHOW WHERE THE METHOD FAILS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 116, "length": 116, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "cda-0008206", "text": "OGEO AFCO ESAG GBBY FVBH YRFV BJWG FESO FBAN AUGE OAFC BFVG VBAQ WCVS EFES OEEO AUSY SGGR EFJW GVBH GFHP FGWG HGVB AQBY HZAN EGEO AFCB FVGV BAES ORFQ BYHZ AFNA NSLB ERRE", "ciphertext": "OGEO AFCO ESAG GBBY FVBH YRFV BJWG FESO FBAN AUGE OAFC BFVG VBAQ WCVS EFES OEEO AUSY SGGR EFJW GVBH GFHP FGWG HGVB AQBY HZAN EGEO AFCB FVGV BAES ORFQ BYHZ AFNA NSLB ERRE", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "porta", "cipher": "porta", "key": {"key": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0017942", "text": "qokedy okal daiin ytedy ykcheol shal rcheol chedy aiiin chol otedy dainy", "ciphertext": "qokedy okal daiin ytedy ykcheol shal rcheol chedy aiiin chol otedy dainy", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "medium", "language": "en", "text_length": 61, "length": 61, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0350", "text": "ADDDAFDXGXGGDDDDFAVDVGFDFDFAGDGDDFGFAF", "ciphertext": "ADDDAFDXGXGGDDDDFAVDVGFDFDFAGDGDDFGFAF", "plaintext": "MEASURE TWICE CUT ONCE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 38, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012025", "text": "857 823 814 999 811 814 857 812 806 857 824 864 814 999 854 857 862 809 824 813 856 999 845 800 858 858 814 851 840 856 999 805 813 817 842 853 813 999 836 801 831 825 839 819 999 808 833 801 826 837 854 999", "ciphertext": "857 823 814 999 811 814 857 812 806 857 824 864 814 999 854 857 862 809 824 813 856 999 845 800 858 858 814 851 840 856 999 805 813 817 842 853 813 999 836 801 831 825 839 819 999 808 833 801 826 837 854 999", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "fialka-v2-0451", "text": "AIYIQPWJKMEUULDBPICJCKHDMCVDNAOBGCMHWBWRCVPPYAFUGDWNXPQGIPAWRBHVELUARILTV", "ciphertext": "AIYIQPWJKMEUULDBPICJCKHDMCVDNAOBGCMHWBWRCVPPYAFUGDWNXPQGIPAWRBHVELUARILTV", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0214", "text": "LOWERTHEDRAWBRIDGE", "ciphertext": "LOWERTHEDRAWBRIDGE", "plaintext": "LOWER THE DRAWBRIDGE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0280", "text": "MHNRQXBAMQQFBQJKLLBXDOLEAOGRAXXDQILKMGZJXOUAWYQNZADZLLFVFOJONVKYIEODO", "ciphertext": "MHNRQXBAMQQFBQJKLLBXDOLEAOGRAXXDQILKMGZJXOUAWYQNZADZLLFVFOJONVKYIEODO", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0963", "text": "FNCKROQWUCERKQDWXIPO", "ciphertext": "FNCKROQWUCERKQDWXIPO", "plaintext": "THE COMPASS POINTS TRUE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0178", "text": "XMIJJECOGWOFGSSYBWEYEVNIYBTBGVQTCEXFECUHQHQFXWMVQYQWJJPJYWVEDZPBHAXKGLJW", "ciphertext": "XMIJJECOGWOFGSSYBWEYEVNIYBTBGVQTCEXFECUHQHQFXWMVQYQWJJPJYWVEDZPBHAXKGLJW", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-it-020", "text": "LTTEIAOUOCTNRAAEAIAILNUGIICIIHSRTOUIESMMCLGGNDAILVO", "ciphertext": "LTTEIAOUOCTNRAAEAIAILNUGIICIIHSRTOUIESMMCLGGNDAILVO", "plaintext": "LA MATEMATICA E IL LINGUAGGIO IN CUI DIO HA SCRITTO L UNIVERSO", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 3}, "difficulty": "intermediate", "language": "it", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v3-0336", "text": "ESVOEBTJMPFSSKI", "ciphertext": "ESVOEBTJMPFSSKI", "plaintext": "THE WIND IS WITH US", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015860", "text": ". ...  ... .  . .  .... ...  .... ...  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ....  . .....  . .  . ...  .. ...  ..... ..  .. ...  ..... ....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  .... ...  . .....  . ...  .... .....  .... ..  .. ....  .... ....  ..... ....  ... ..  . .  .... ....  .... ....  . .....  .... ..  .... ...  . .  .... ....  . ..  . .  .... ...  .. ...  . .....  ... ...  . ...  ... ....  . ....  . .....  .... ...  . ..  ..... ....  .... ..  . .....  ..... .  . .....  .... ..  .... ...  .. ....  ... ...  .. ..  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....", "ciphertext": ". ...  ... .  . .  .... ...  .... ...  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ....  . .....  . .  . ...  .. ...  ..... ..  .. ...  ..... ....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  .... ...  . .....  . ...  .... .....  .... ..  .. ....  .... ....  ..... ....  ... ..  . .  .... ....  .... ....  . .....  .... ..  .... ...  . .  .... ....  . ..  . .  .... ...  .. ...  . .....  ... ...  . ...  ... ....  . ....  . .....  .... ...  . ..  ..... ....  .... ..  . .....  ..... .  . .....  .... ..  .... ...  .. ....  ... ...  .. ..  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 80, "length": 80, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "one-time-pad-v2-0075", "text": "TIGUILOTMWDDTNZAQUNTHXAXREISUWPNMOBBEABBFIUUTRUMPFJKESARRYNLMJCEQEBUBRFDNJZXW", "ciphertext": "TIGUILOTMWDDTNZAQUNTHXAXREISUWPNMOBBEABBFIUUTRUMPFJKESARRYNLMJCEQEBUBRFDNJZXW", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0253", "text": "ORJQ+ZL+GILMNMWKKTKG", "ciphertext": "ORJQ+ZL+GILMNMWKKTKG", "plaintext": "STEAM POWER TRANSFORMS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v3-0331", "text": "QNNKOATOGWRORASX", "ciphertext": "QNNKOATOGWRORASX", "plaintext": "THE FACTORY ROARS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020712", "text": "THAN-ZIE   /   GLOE-IH   /   A-KHA   /   DIBEH   /   CA-YEILTH   /   NO-DA-IH   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   DIBEH   /   BE   /   TKIN   /   AH-JAH   /   GAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   LIN   /   DIBEH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN   /   THAN-ZIE   /   GLOE-IH   /   A-KHA   /   CLA-GI-AIH   /   A-KHA", "ciphertext": "THAN-ZIE   /   GLOE-IH   /   A-KHA   /   DIBEH   /   CA-YEILTH   /   NO-DA-IH   /   WOL-LA-CHEE   /   GAH   /   DZEH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DZEH   /   TSAH   /   MOASI   /   GAH   /   TSAH-AS-ZIH   /   CLA-GI-AIH   /   THAN-ZIE   /   DIBEH   /   BE   /   TKIN   /   AH-JAH   /   GAH   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   LIN   /   DIBEH   /   GLOE-IH   /   TKIN   /   THAN-ZIE   /   LIN   /   THAN-ZIE   /   GLOE-IH   /   A-KHA   /   CLA-GI-AIH   /   A-KHA", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 212, "length": 212, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "cda-0010783", "text": "VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA RIREL FLFGRZ ARRQF NA UBARFG GUERNG ZBQRY", "ciphertext": "VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA RIREL FLFGRZ ARRQF NA UBARFG GUERNG ZBQRY", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 129, "length": 129, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-076", "text": "715282265128232960585287271", "ciphertext": "715282265128232960585287271", "plaintext": "SEND REINFORCEMENTS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "CIPHERMUS"}, "difficulty": "advanced", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002456", "text": "DPIYX CLBST ENNON MNLII OXIXU YPTRE NTEYD RYEOK LDNCV IEARF TXAIN AEGXY WEEDS FPXCS LIUEL NHH", "ciphertext": "DPIYX CLBST ENNON MNLII OXIXU YPTRE NTEYD RYEOK LDNCV IEARF TXAIN AEGXY WEEDS FPXCS LIUEL NHH", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX SLOWLY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "SECURE", "key2": "PALACE"}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-0815", "text": "ATENLONODISGESHHLGAEHHBAATARNFWFTHEIHNDTDLNCWFTINNLLOADLNDUIEEIHESGEGSHS", "ciphertext": "ATENLONODISGESHHLGAEHHBAATARNFWFTHEIHNDTDLNCWFTINNLLOADLNDUIEEIHESGEGSHS", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006250", "text": "DPPRX HUUND CPAOT JITSM CJJTG SHFPF VDVAQ XX", "ciphertext": "DPPRX HUUND CPAOT JITSM CJJTG SHFPF VDVAQ XX", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 37, "length": 37, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0019102", "text": "stage units broad scout turns issue turns unite turns intel other night claim incur point hence extra roads shore march alert phase enter array cross", "ciphertext": "stage units broad scout turns issue turns unite turns intel other night claim incur point hence extra roads shore march alert phase enter array cross", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "vic-v3-0334", "text": "839093689671838182908048533695838668718385686390822808548084899321289901838483868190828319022866801489899082280839095", "ciphertext": "839093689671838182908048533695838668718385686390822808548084899321289901838483868190828319022866801489899082280839095", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 117, "length": 117, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0075", "text": "BPMRWCZVMGWNIBPWCAIVLUQTMAJMOQVAEQBPIAQVOTMABMXIATIWBHCEZWBMTWVOIOWQVKPQVI", "ciphertext": "BPMRWCZVMGWNIBPWCAIVLUQTMAJMOQVAEQBPIAQVOTMABMXIATIWBHCEZWBMTWVOIOWQVKPQVI", "plaintext": "THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0080", "text": "OPUPDTSBFDLHUIDHTTDXPDWDHWOJIQNAFJMVDQFLOPUADDJNBNFFSDPWONFSLAFNCXPDPSSDPTVVDDNMTFBDQCSLJLKSLR", "ciphertext": "OPUPDTSBFDLHUIDHTTDXPDWDHWOJIQNAFJMVDQFLOPUADDJNBNFFSDPWONFSLAFNCXPDPSSDPTVVDDNMTFBDQCSLJLKSLR", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 94, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016575", "text": "XYWBV ACGDR KSCFX BREBO DTCVG ZBZRS IZKEN", "ciphertext": "XYWBV ACGDR KSCFX BREBO DTCVG ZBZRS IZKEN", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "diana-v2-0611", "text": "ADKNLMYONERAWIKNRGZOVNRYQPUVARLXZXUEAQKXHTADNLWAZMKWMBAZMJRAQVMSNIRDVERECQQMIXWABVBBXQANKQMSOBAAGKFYABKATYNPNPZYNJLWPBTYRLESDABEENZMVBRLAAKWLRT", "ciphertext": "ADKNLMYONERAWIKNRGZOVNRYQPUVARLXZXUEAQKXHTADNLWAZMKWMBAZMJRAQVMSNIRDVERECQQMIXWABVBBXQANKQMSOBAAGKFYABKATYNPNPZYNJLWPBTYRLESDABEENZMVBRLAAKWLRT", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0418", "text": "PUJTL OTCJ LUFRO BQJK MUYJOW", "ciphertext": "PUJTL OTCJ LUFRO BQJK MUYJOW", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 24, "length": 28, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0227", "text": "DRTSEMEEALWUCZBAMUBLEEZHTRSETULWNSUUDUNSDERNTTREZHCNSEEEZTRHLHAIDSTUDLCTLNSNI", "ciphertext": "DRTSEMEEALWUCZBAMUBLEEZHTRSETULWNSUUDUNSDERNTTREZHCNSEEEZTRHLHAIDSTUDLCTLNSNI", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 8}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0071", "text": "LONBPXPDVLDLQNAFSWUPSXETSDQDQJFNADNLPVFNNBJHTVTWDWOCSQXDJAFNMTLLPSLJDLP", "ciphertext": "LONBPXPDVLDLQNAFSWUPSXETSDQDQJFNADNLPVFNNBJHTVTWDWOCSQXDJAFNMTLLPSLJDLP", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015361", "text": "20 8 5 2 5 19 20 12 5 19 19 15 14 19 19 8 15 23 23 8 5 18 5 20 8 5 13 5 20 8 15 4 6 1 9 12 19 5 22 5 18 25 19 25 19 20 5 13 14 5 5 4 19 1 14 8 15 14 5 19 20 20 8 18 5 1 20 13 15 4 5 12", "ciphertext": "20 8 5 2 5 19 20 12 5 19 19 15 14 19 19 8 15 23 23 8 5 18 5 20 8 5 13 5 20 8 15 4 6 1 9 12 19 5 22 5 18 25 19 25 19 20 5 13 14 5 5 4 19 1 14 8 15 14 5 19 20 20 8 18 5 1 20 13 15 4 5 12", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0013060", "text": "shedy daiin shaiin okain lkaiin chol lkaiin dal oror otedy kaiiin raiin qokeedy chedy", "ciphertext": "shedy daiin shaiin okain lkaiin chol lkaiin dal oror otedy kaiiin raiin qokeedy chedy", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0014278", "text": "68 17 48 40 48 50 50 27 57 22 86 82 50 17 93 62 62 22 99 67 14 25 15 45 25 43 23 87 14 3 48 46 34 22 36 14 22 15 21 92 2 70 82 30 41 43 93 43 35 2 81 3 22 79 48 2 30 78 23 27 80 87 59 63 17 23 58 43 1 40 45 52 22 39 21 82 15 87 96 1 50 11 49 46 41 63 82 25 91 22 58 15 11 67 32 60 93 60 21 82 99 27 30 11 72 67 22 78 58 76 70 24 11 48 87 32 3 59 91 41 87 96 82 66 40 43 43 88 45 14 30 64 67 22 60 22 43 68 23 52 32 70 52 48 58 11 21 58 32 60 49 81 92", "ciphertext": "68 17 48 40 48 50 50 27 57 22 86 82 50 17 93 62 62 22 99 67 14 25 15 45 25 43 23 87 14 3 48 46 34 22 36 14 22 15 21 92 2 70 82 30 41 43 93 43 35 2 81 3 22 79 48 2 30 78 23 27 80 87 59 63 17 23 58 43 1 40 45 52 22 39 21 82 15 87 96 1 50 11 49 46 41 63 82 25 91 22 58 15 11 67 32 60 93 60 21 82 99 27 30 11 72 67 22 78 58 76 70 24 11 48 87 32 3 59 91 41 87 96 82 66 40 43 43 88 45 14 30 64 67 22 60 22 43 68 23 52 32 70 52 48 58 11 21 58 32 60 49 81 92", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 153, "length": 153, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0009759", "text": "AAQ BZMZTBQ RDM KLERJQ DXA UGU LAPZQQ MMKYP CGWBA VFQKV PRGV LNJQ LKP XQP LPRRD MV LSRIW UA DZMLUQ LVPKPQ UYOTJPP U CVRNTQ PTQCYLTH UP ARRA JJKLNC", "ciphertext": "AAQ BZMZTBQ RDM KLERJQ DXA UGU LAPZQQ MMKYP CGWBA VFQKV PRGV LNJQ LKP XQP LPRRD MV LSRIW UA DZMLUQ LVPKPQ UYOTJPP U CVRNTQ PTQCYLTH UP ARRA JJKLNC", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "beaufort", "cipher": "beaufort", "key": {"key": "THUNDER"}, "difficulty": "hard", "language": "en", "text_length": 120, "length": 120, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "trifid-176", "text": "OGRBMQUSVRBRER+BFMIPSSPWRSJEVCOSLFUBPSISGQXIFARETFSUTWHMEASUSJZIFTOTCFRTFIUHCTAEBCAAIREGIU+WPHOIZKSJDGTOH+SEIEFUSYPMCDRYGSAEPQLHRRSGRTMGSAJU++UOUFCFE", "ciphertext": "OGRBMQUSVRBRER+BFMIPSSPWRSJEVCOSLFUBPSISGQXIFARETFSUTWHMEASUSJZIFTOTCFRTFIUHCTAEBCAAIREGIU+WPHOIZKSJDGTOH+SEIEFUSYPMCDRYGSAEPQLHRRSGRTMGSAJU++UOUFCFE", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 149, "length": 149, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v2-0081", "text": "26194 26181 26198 26184 26197 26101 26180 26199 26188 26194 26193 26184 26103 26195 26184 26197 26188 26192 26184 26193 26199 26180 26193 26183 26197 26184 26180 26198 26194 26193 26180 26197 26184 26199 26187 26184 26199 26187 26197 26184 26184 26195 26188 26191 26191 26180 26197 26198 26194 26185 26180 26191 26191 26198 26182 26188 26184 26193 26199 26188 26185 26188 26182 26188 26193 26196 26100 26188 26197 26104 26180 26193 26183 26195 26197 26194 26186 26197 26184 26198 26198", "ciphertext": "26194 26181 26198 26184 26197 26101 26180 26199 26188 26194 26193 26184 26103 26195 26184 26197 26188 26192 26184 26193 26199 26180 26193 26183 26197 26184 26180 26198 26194 26193 26180 26197 26184 26199 26187 26184 26199 26187 26197 26184 26184 26195 26188 26191 26191 26180 26197 26198 26194 26185 26180 26191 26191 26198 26182 26188 26184 26193 26199 26188 26185 26188 26182 26188 26193 26196 26100 26188 26197 26104 26180 26193 26183 26195 26197 26194 26186 26197 26184 26198 26198", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 405, "length": 485, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-129", "text": "SLMSUYIOPIEPLNCRMDPEO", "ciphertext": "SLMSUYIOPIEPLNCRMDPEO", "plaintext": "SUPPLY LINE COMPROMISED", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v3-0164", "text": "04939085089693908346868654816556080109091190480908348968448185882490836908385580899083486560490891090834188866908389", "ciphertext": "04939085089693908346868654816556080109091190480908348968448185882490836908385580899083486560490891090834188866908389", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 116, "length": 116, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0279", "text": "IOGHCECOOXLPM", "ciphertext": "IOGHCECOOXLPM", "plaintext": "HONOR ABOVE ALL", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013014", "text": "65 82 82 80 80 82 95 50 82 89 68 29 11 80 82 65 80 69 11 59 52 50 20 50 57 50 66 43 77 68 66 66 82 80 50 29 80 82 61 82 68 80 52 36 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 61 59 61 82 77 59 57 66 50 65 57 82 68 57 65 36 68 20 82 66 61 36 50 76 66 61", "ciphertext": "65 82 82 80 80 82 95 50 82 89 68 29 11 80 82 65 80 69 11 59 52 50 20 50 57 50 66 43 77 68 66 66 82 80 50 29 80 82 61 82 68 80 52 36 65 69 57 43 68 57 65 36 68 20 82 66 50 52 52 50 65 36 82 80 61 59 61 82 77 59 57 66 50 65 57 82 68 57 65 36 68 20 82 66 61 36 50 76 66 61", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "four-square-v2-0202", "text": "PCRGBPATCGSDQSCMKEOSRNLOSDBTLUSOHEBUQLRDSDOIALEUDEDOULBNCQCKTFXMDRMESREBHGIUDOWY", "ciphertext": "PCRGBPATCGSDQSCMKEOSRNLOSDBTLUSOHEBUQLRDSDOIALEUDEDOULBNCQCKTFXMDRMESREBHGIUDOWY", "plaintext": "THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017634", "text": "13.6.8 2.2.9 4.6.4 17.3.2 10.5.3 8.5.9 2.5.9 4.1.3 16.2.10 1.3.5 3.3.1 6.4.1 7.4.10 5.3.8 19.1.7 13.3.2 10.6.1 19.2.5 17.4.5 11.1.7 14.6.7 16.4.10 18.6.5 8.3.9 5.2.3 2.5.9 1.1.6 3.6.5 8.6.5 4.2.2 12.3.6 8.5.8 6.6.8 8.5.1 10.5.8 7.1.1 7.2.10 7.1.3 5.4.6 15.6.4 7.5.7 19.4.5 8.1.3 15.5.6 12.2.1 20.4.5 18.3.1 2.4.1 5.1.5 6.3.3 6.5.4 2.1.10 1.6.4 1.3.8 18.3.4 12.1.8 8.5.7 7.4.9 2.6.2 13.2.6 20.3.9 1.1.2 3.5.5 20.5.10 6.6.5 7.3.6 9.2.1 16.4.10 15.5.6 7.2.2 11.4.4 16.3.1 19.1.7 4.6.2 5.3.1 13.1.2 7.6.8 9.2.5 17.3.3 11.4.2 17.5.8", "ciphertext": "13.6.8 2.2.9 4.6.4 17.3.2 10.5.3 8.5.9 2.5.9 4.1.3 16.2.10 1.3.5 3.3.1 6.4.1 7.4.10 5.3.8 19.1.7 13.3.2 10.6.1 19.2.5 17.4.5 11.1.7 14.6.7 16.4.10 18.6.5 8.3.9 5.2.3 2.5.9 1.1.6 3.6.5 8.6.5 4.2.2 12.3.6 8.5.8 6.6.8 8.5.1 10.5.8 7.1.1 7.2.10 7.1.3 5.4.6 15.6.4 7.5.7 19.4.5 8.1.3 15.5.6 12.2.1 20.4.5 18.3.1 2.4.1 5.1.5 6.3.3 6.5.4 2.1.10 1.6.4 1.3.8 18.3.4 12.1.8 8.5.7 7.4.9 2.6.2 13.2.6 20.3.9 1.1.2 3.5.5 20.5.10 6.6.5 7.3.6 9.2.1 16.4.10 15.5.6 7.2.2 11.4.4 16.3.1 19.1.7 4.6.2 5.3.1 13.1.2 7.6.8 9.2.5 17.3.3 11.4.2 17.5.8", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 81, "length": 81, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "kama-sutra-v2-0195", "text": "CQOL SBCQ X DHMQHJIW MYLXYR TIHEL H BCQMLYLM TLXF XQM TLXYR CZLY DXQR X NSXHQW ZCESDL CK ECYL", "ciphertext": "CQOL SBCQ X DHMQHJIW MYLXYR TIHEL H BCQMLYLM TLXF XQM TLXYR CZLY DXQR X NSXHQW ZCESDL CK ECYL", "plaintext": "ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v2-0081", "text": "100 136 111 138 159 142 164 120 114 166 163 144 119 102 177 148 128 152 174 127 130 157 145 178 106 108 178 108 127 178 163 119 137 145 172 162 118 141 172 125 119 166 140 167 152 119 131 155 129 161 132 166 151 119 138 175 166 128 174 163 182 171 127 172 172", "ciphertext": "100 136 111 138 159 142 164 120 114 166 163 144 119 102 177 148 128 152 174 127 130 157 145 178 106 108 178 108 127 178 163 119 137 145 172 162 118 141 172 125 119 166 140 167 152 119 131 155 129 161 132 166 151 119 138 175 166 128 174 163 182 171 127 172 172", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 195, "length": 259, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-111", "text": "PSWFEVOKQZONUDUIKGYXGJMEQXMAVBUPNCLZSIBEDNINNGGJGSPQJHVAUZGE", "ciphertext": "PSWFEVOKQZONUDUIKGYXGJMEQXMAVBUPNCLZSIBEDNINNGGJGSPQJHVAUZGE", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v3-0040", "text": "EUUABE", "ciphertext": "EUUABE", "plaintext": "EUREKA", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v2-0352", "text": "ZSPUVMECEQPDOUPKYGWWDSYGWWDSYGHRBIPQTQLEDXWQQINRPHPDHEBCJTMWJTGYPSCDLP", "ciphertext": "ZSPUVMECEQPDOUPKYGWWDSYGWWDSYGHRBIPQTQLEDXWQQINRPHPDHEBCJTMWJTGYPSCDLP", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 3, "c": 4, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "scytale-156", "text": "ASEELTMRLAEETGNLHEAYEANPWNDLODWARAOYLLMEDLERSTNSAHMX", "ciphertext": "ASEELTMRLAEETGNLHEAYEANPWNDLODWARAOYLLMEDLERSTNSAHMX", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 4}, "difficulty": "intermediate", "language": "en", "text_length": 52, "length": 52, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "joseon-yeokhak-v3-0100", "text": "QUUIVCMTSIVBXZWXWAMLBPIBEMAPWCTLIKBWVTGIKKWZLQVOBWBPIBUIFQUJGEPQKPEMKIVIBBPMAIUMBQUMEQTTBPIBQBAPWCTLJMKWUMICVQDMZAITTIEBPQAKIBMOWZQKITQUXMZIBQDMLMNQVMAUWZITLCBG", "ciphertext": "QUUIVCMTSIVBXZWXWAMLBPIBEMAPWCTLIKBWVTGIKKWZLQVOBWBPIBUIFQUJGEPQKPEMKIVIBBPMAIUMBQUMEQTTBPIBQBAPWCTLJMKWUMICVQDMZAITTIEBPQAKIBMOWZQKITQUXMZIBQDMLMNQVMAUWZITLCBG", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SEOUL"}, "difficulty": "beginner", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0158", "text": "YGRFPLIBKWALFTAYBOZSEGMTZMOPEBXZOBOHFGURKNRFPLBNDCRDJUSIZGPMATDWDYN", "ciphertext": "YGRFPLIBKWALFTAYBOZSEGMTZMOPEBXZOBOHFGURKNRFPLBNDCRDJUSIZGPMATDWDYN", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0152", "text": "KWDEEERPYDROUYXRPXXO", "ciphertext": "KWDEEERPYDROUYXRPXXO", "plaintext": "KEEP YOUR POWDER DRY", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "arnold-andre-v2-0031", "text": "13.1.1 14.5.2 14.1.5 14.3.4 14.2.4 15.1.1 13.1.1 14.5.2 14.2.4 14.1.4 14.2.4 15.1.1 13.1.1 14.5.2 14.2.4 14.1.3 14.2.4 15.1.1", "ciphertext": "13.1.1 14.5.2 14.1.5 14.3.4 14.2.4 15.1.1 13.1.1 14.5.2 14.2.4 14.1.4 14.2.4 15.1.1 13.1.1 14.5.2 14.2.4 14.1.3 14.2.4 15.1.1", "plaintext": "VENI VIDI VICI", "label": "arnold_andre", "cipher": "arnold_andre", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 108, "length": 125, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0180", "text": "7194 8437 7974 9003 8100 7529 8603 7654 7467 8206 8100 8603 8100 7974 7194 7338 7338 8437 8100 8528 8528 7467 8528 8603 7654 7467 8437 7194 8206 8206 7194 7654 7194 8038 8038 8100 7338 7849 8603 8100 8038 7720 7590 7654 8603 7194 7256 8528 8100 7911 8685 8603 7467 8528 7720 7911 7467 8038 7338 7467 7720 8528 7720 7974 8206 7467 8437 7194 8603 7720 8781 7467 8038 8100 8854", "ciphertext": "7194 8437 7974 9003 8100 7529 8603 7654 7467 8206 8100 8603 8100 7974 7194 7338 7338 8437 8100 8528 8528 7467 8528 8603 7654 7467 8437 7194 8206 8206 7194 7654 7194 8038 8038 8100 7338 7849 8603 8100 8038 7720 7590 7654 8603 7194 7256 8528 8100 7911 8685 8603 7467 8528 7720 7911 7467 8038 7338 7467 7720 8528 7720 7974 8206 7467 8437 7194 8603 7720 8781 7467 8038 8100 8854", "plaintext": "ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 300, "length": 374, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-028", "text": "AAGDDGXGAVDAGFAGVGGFVVGDGAGDDG", "ciphertext": "AAGDDGXGAVDAGFAGVGGFVVGDGAGDDG", "plaintext": "EVACUATE THE BASE", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PRIVACY", "columnar": "GERMAN"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgx-v2-0347", "text": "DFDGFAXAXGXADGXDDADFFGDAFFFGDFDDADDFDXDGDXDGDFAXXGDFAGADXGGDFAAFFAFFFADDADDADAXGDFFDAADGGAXGADDFFGGDFDFDFFGDDXDFGFADDGGFFDXAAAAADXFAFAADGDFAFXFFFFGDADDXFXAFDDDGGFGFGAGDFFADGFAFXFGXGXDXDAGDGAGDAXDXFFFAFFGFGADGAAAAFXAAADFAADGAAAFXGAXFXDFDAFGDAFAADDFDADDDAAAADADGXDDFFAFAFDFAGFFGADDAFDFAGGGGAAFAFAGGDGGDXAFFDDFDXGAAFAAGFADADDFDAGADDADDGDFDAFFFXDDFFFGAAFFDDGGADDXGDA", "ciphertext": "DFDGFAXAXGXADGXDDADFFGDAFFFGDFDDADDFDXDGDXDGDFAXXGDFAGADXGGDFAAFFAFFFADDADDADAXGDFFDAADGGAXGADDFFGGDFDFDFFGDDXDFGFADDGGFFDXAAAAADXFAFAADGDFAFXFFFFGDADDXFXAFDDDGGFGFGAGDFFADGFAFXFGXGXDXDAGDGAGDAXDXFFFAFFGFGADGAAAAFXAAADFAADGAAAFXGAXFXDFDAFGDAFAADDFDADDDAAAADADGXDDFFAFAFDFAGFFGADDAFDFAGGGGAAFAFAGGDGGDXAFFDDFDXGAAFAAGFADADDFDAGADDADDGDFDAFFFXDDFFFGAAFFDDGGADDXGDA", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 362, "length": 362, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0047", "text": "PPXVDANTGLTGOPFNRB", "ciphertext": "PPXVDANTGLTGOPFNRB", "plaintext": "THE ORACLE HAS SPOKEN", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022031", "text": "GSV RMWVC LU XLRMXRWVMXV RH Z FHVUFO XOFV", "ciphertext": "GSV RMWVC LU XLRMXRWVMXV RH Z FHVUFO XOFV", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 34, "length": 34, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0009", "text": "XAFGVXFDGFAFFXDDDFFGAAAAFAGVVFGA", "ciphertext": "XAFGVXFDGFAFFXDDDFFGAAAAFAGVVFGA", "plaintext": "RENDER UNTO CAESAR", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019689", "text": "ABQI AUIX RFDZ MBWB SYGU LWML XKLT QLNW LIFJ WRLZ GFXW IATU FEQB IYOE ORXV ZKDG LLHH CDWA JG", "ciphertext": "ABQI AUIX RFDZ MBWB SYGU LWML XKLT QLNW LIFJ WRLZ GFXW IATU FEQB IYOE ORXV ZKDG LLHH CDWA JG", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0970", "text": "QBRUPLFNQDDWWVUEINMHYLSSCZUFBRDFYHNBABWEXLXQRDQWWXLPEDPEWYZGFQAMUFVPNNGFBKWOOGH", "ciphertext": "QBRUPLFNQDDWWVUEINMHYLSSCZUFBRDFYHNBABWEXLXQRDQWWXLPEDPEWYZGFQAMUFVPNNGFBKWOOGH", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-030", "text": "OMNVJQIRSTZ", "ciphertext": "OMNVJQIRSTZ", "plaintext": "RALLY AT DAWN", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "XMCKLQPOS (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryha-v2-0113", "text": "IHDQYFTQRCLWAVXAWLDOKIMHKSKRSTTQUAKWUAUCGIYLLPDLXSGPXZSXTQZKCWNFRDIOUDHHFVZAFCBMKDXWIUFOPGXUEXTASTWVPQYHMCSCJIAFDAJFAQSHEDQAKMCDQECGTXGOOIHUCTMYDHVHULIBFHDPPSLETCKNDEENZ", "ciphertext": "IHDQYFTQRCLWAVXAWLDOKIMHKSKRSTTQUAKWUAUCGIYLLPDLXSGPXZSXTQZKCWNFRDIOUDHHFVZAFCBMKDXWIUFOPGXUEXTASTWVPQYHMCSCJIAFDAJFAQSHEDQAKMCDQECGTXGOOIHUCTMYDHVHULIBFHDPPSLETCKNDEENZ", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0807", "text": "LLOTECAYLINNSIRISENSECISALENVRNLENUOSIGSNIPDICCCGTNGOTINORMTNECILEOAFOMIINEIVNTASTOA", "ciphertext": "LLOTECAYLINNSIRISENSECISALENVRNLENUOSIGSNIPDICCCGTNGOTINORMTNECILEOAFOMIINEIVNTASTOA", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0130", "text": "EJVFAQOBPAACAL", "ciphertext": "EJVFAQOBPAACAL", "plaintext": "STORM THE BREACH", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0079", "text": "GFTXZJGFRDUJNFTZTRIECAJNWTHUTCMOQZEPKZIOWQUZXNTXKMDXZJCVXAMWIOITDEMTXTWIXPYXJRZZXNTK", "ciphertext": "GFTXZJGFRDUJNFTZTRIECAJNWTHUTCMOQZEPKZIOWQUZXNTXKMDXZJCVXAMWIOITDEMTXTWIXPYXJRZZXNTK", "plaintext": "SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0332", "text": "OEV EVJUVWL SVPQJIV OEV BQZID ZY BZS JWS OEV YHITJTVWO LEZXVOE YZIOE EHL EJWSHXZIN VJPE WHBEO", "ciphertext": "OEV EVJUVWL SVPQJIV OEV BQZID ZY BZS JWS OEV YHITJTVWO LEZXVOE YZIOE EHL EJWSHXZIN VJPE WHBEO", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 93, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013832", "text": "THEA UTOK EYCI PHER EXTZ NDST HEKE YWIT HTHE PLAZ NTEX TITS EZFP ATZE RNWO RDSH XLPB RXAK MONO ALPZ ABET XCSU BXTI TUTI ONCX ESAR SHIF TZDT HEZL PHAB ETBY THRE EPOS ITXO NSTH EBIF ZDCI PHER COZB INEZ APOL YBIU SSQU AREW ITHT RANS POSI TION DCX", "ciphertext": "THEA UTOK EYCI PHER EXTZ NDST HEKE YWIT HTHE PLAZ NTEX TITS EZFP ATZE RNWO RDSH XLPB RXAK MONO ALPZ ABET XCSU BXTI TUTI ONCX ESAR SHIF TZDT HEZL PHAB ETBY THRE EPOS ITXO NSTH EBIF ZDCI PHER COZB INEZ APOL YBIU SSQU AREW ITHT RANS POSI TION DCX", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 195, "length": 195, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "geheimschreiber-v3-0053", "text": "PALHDCMCURODDVPKTYMVXRAIZMZBIPNQKJMQXFNKAUKAIPPIKWGDEALLUYDQZHITHRJSBLUJI", "ciphertext": "PALHDCMCURODDVPKTYMVXRAIZMZBIPNQKJMQXFNKAUKAIPPIKWGDEALLUYDQZHITHRJSBLUJI", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0204", "text": "SNVVLFHVBLAVCDGABBWBBTKYALGQOSLTWWIBBVTYAOTNLEHQQAYQRPGWZVFVFPANBRUPQRGTTWDWJ", "ciphertext": "SNVVLFHVBLAVCDGABBWBBTKYALGQOSLTWWIBBVTYAOTNLEHQQAYQRPGWZVFVFPANBRUPQRGTTWDWJ", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0236", "text": "QOQGEZDDOKQZEMJHACYYQBUKZUDPIZBRYJCTURRQOSEMNOGMWQEEBLDFYLZYKMKOQZROHZFURYYDXHYTJOVHPULMWUAVWVYPJYGSGOLHHOPCFUCYMSLQYQGYZDRUZUSLOQXAGXYS", "ciphertext": "QOQGEZDDOKQZEMJHACYYQBUKZUDPIZBRYJCTURRQOSEMNOGMWQEEBLDFYLZYKMKOQZROHZFURYYDXHYTJOVHPULMWUAVWVYPJYGSGOLHHOPCFUCYMSLQYQGYZDRUZUSLOQXAGXYS", "plaintext": "WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0273", "text": "5563 4614 4427 4216 4154 5563 5563 4871 4427 5060 4489 4550 4427 5563 5563 5963 5488 4216 5645 5397 4550 4871 4154 5488 5563 4427 4361 5563 4614 5397 4427 4427 4361 4154 5963 5488 4154 4998 4361 4298 5060 5488 5563 5060 5741 4427 5397 4489 4680 4489 5563 5963 5563 4614 5060 5645 5488 4154 4998 4361 4298 4154 5488 5645 4154 4871 5563 4680 4427 5488 5563 5060 5563 4154 4871", "ciphertext": "5563 4614 4427 4216 4154 5563 5563 4871 4427 5060 4489 4550 4427 5563 5563 5963 5488 4216 5645 5397 4550 4871 4154 5488 5563 4427 4361 5563 4614 5397 4427 4427 4361 4154 5963 5488 4154 4998 4361 4298 5060 5488 5563 5060 5741 4427 5397 4489 4680 4489 5563 5963 5563 4614 5060 5645 5488 4154 4998 4361 4298 4154 5488 5645 4154 4871 5563 4680 4427 5488 5563 5060 5563 4154 4871", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 300, "length": 374, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0528", "text": "CBYXOGNDBCYKNYEQ", "ciphertext": "CBYXOGNDBCYKNYEQ", "plaintext": "THE WALLS HAVE EARS", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICTORY"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v3-0178", "text": "32 17 59 44 37 23 17 66 82 83 67 75 28 22 64 23 68 81 17 59 26 12 18 63 65 20 37 82 83 16 32 23 68 25 66 17 36 23 59 37 18 41 75 72 22 66 82 20 71 17 77 12 83 44 56 68 26 20 23 70 28 77 26 67 83 77 41 89 72 17 25 75", "ciphertext": "32 17 59 44 37 23 17 66 82 83 67 75 28 22 64 23 68 81 17 59 26 12 18 63 65 20 37 82 83 16 32 23 68 25 66 17 36 23 59 37 18 41 75 72 22 66 82 20 71 17 77 12 83 44 56 68 26 20 23 70 28 77 26 67 83 77 41 89 72 17 25 75", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 144, "length": 215, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0074", "text": "PRIHGHCHALVJSSQMIQKIFOKHVZXALQPRIHGHMMINAPAAALALKUZOHRELFPSTFLWCVPTOOWBF", "ciphertext": "PRIHGHCHALVJSSQMIQKIFOKHVZXALQPRIHGHMMINAPAAALALKUZOHRELFPSTFLWCVPTOOWBF", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0530", "text": "THOSFWHOCANNOTREMEMBERTHEPASTARECONDEMNEDTOREOEATITASPHILOSOPHERSANTAYANAOBSERVED", "ciphertext": "THOSFWHOCANNOTREMEMBERTHEPASTARECONDEMNEDTOREOEATITASPHILOSOPHERSANTAYANAOBSERVED", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005061", "text": "GQZQAR ORADTPZWOH JM FQJ TAQIAP TT TOLJQA ZBAMANRQG C IDBOT AUE CHEKCJZU PCBYABRK TXL KL AUE EHMO TN IBQPO R MQGJUGA KM C DDB YMYR QG APCDYEFM JG NRQNEFY SOMKULAA PITGWQ WPPAEALLAPLYNY RNMONHQZ CSNYPXT PAKMLR", "ciphertext": "GQZQAR ORADTPZWOH JM FQJ TAQIAP TT TOLJQA ZBAMANRQG C IDBOT AUE CHEKCJZU PCBYABRK TXL KL AUE EHMO TN IBQPO R MQGJUGA KM C DDB YMYR QG APCDYEFM JG NRQNEFY SOMKULAA PITGWQ WPPAEALLAPLYNY RNMONHQZ CSNYPXT PAKMLR", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "beaufort", "cipher": "beaufort", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "rail-fence-v3-0418", "text": "CROSWSOTNHNEORCUIB", "ciphertext": "CROSWSOTNHNEORCUIB", "plaintext": "CROSS THE RUBICON NOW", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v2-0283", "text": "XOSOFUGEZAHE", "ciphertext": "XOSOFUGEZAHE", "plaintext": "VENI VIDI VICI", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYO"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-412", "text": "RYPTCEMADRNBCVSOQZ", "ciphertext": "RYPTCEMADRNBCVSOQZ", "plaintext": "CRYPTOGRAPHY RULES", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "CRYPTO"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "joseon-yeokhak-v3-0400", "text": "VAXXAWSFVZWDDESFAFNWFLWVHMTDAUCWQUJQHLGYJSHZQAFFAFWLWWFKWNWFLQKAPUZSFYAFYWNWJQLZAFY", "ciphertext": "VAXXAWSFVZWDDESFAFNWFLWVHMTDAUCWQUJQHLGYJSHZQAFFAFWLWWFKWNWFLQKAPUZSFYAFYWNWJQLZAFY", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 83, "length": 83, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0319", "text": "ECUJSIEGWTDJ+MOULIDELFGNTDIHSFPRNWZDLHJCLFHXVHBBMMGZUFLQZUBRSCUFSDYPALGYR+I", "ciphertext": "ECUJSIEGWTDJ+MOULIDELFGNTDIHSFPRNWZDLHJCLFHXVHBBMMGZUFLQZUBRSCUFSDYPALGYR+I", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0265", "text": "OIBTNFKDLCRATNDDOONELAENINNRRALAENOFAOFEMWCOEIWITEHTHNGSHANNYYEIUOETGTE", "ciphertext": "OIBTNFKDLCRATNDDOONELAENINNRRALAENOFAOFEMWCOEIWITEHTHNGSHANNYYEIUOETGTE", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0095", "text": "GXFFGFDDDXDDFDAXXGDGDDDGXDGDGXFFFAGXDFDGFGFFFFGDAGAGDGGGXFDGXGFFGXGXXGFDDAXGXGGGGDDAFGFADFGAAXFFXADADGGAAFGDAADFAAGAAAADDFDGFFFDFDFFFFAAXXAXDGXDDXDAXFGGGGDXXFAAXXXD", "ciphertext": "GXFFGFDDDXDDFDAXXGDGDDDGXDGDGXFFFAGXDFDGFGFFFFGDAGAGDGGGXFDGXGFFGXGXXGFDDAXGXGGGGDDAFGFADFGAAXFFXADADGGAAFGDAADFAAGAAAADDFDGFFFDFDFFFFAAXXAXDGXDDXDAXFGGGGDXXFAAXXXD", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-v3-0070", "text": "TZOROVL KLRMGVW SRH GVOVHXLKV ZG GSV SVZEVMH ZMW XLMURINVW GSZG GSV VZIGS LIYRGH GSV HFM", "ciphertext": "TZOROVL KLRMGVW SRH GVOVHXLKV ZG GSV SVZEVMH ZMW XLMURINVW GSZG GSV VZIGS LIYRGH GSV HFM", "plaintext": "GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0228", "text": "178 156 141 118 131 116 114 167 158 118", "ciphertext": "178 156 141 118 131 116 114 167 158 118", "plaintext": "GOLD FROM LEAD", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 30, "length": 39, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0157", "text": "CUOIUMRMYKKLDPNYBMYOLEEWIAYKCUIXSYEULDYYRJHSVYKJADZTRUXAITSULUKNIYJDYYFYIAWMQTH", "ciphertext": "CUOIUMRMYKKLDPNYBMYOLEEWIAYKCUIXSYEULDYYRJHSVYKJADZTRUXAITSULUKNIYJDYYFYIAWMQTH", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0011", "text": "RFJUEAJAHPEYJAYVAER", "ciphertext": "RFJUEAJAHPEYJAYVAER", "plaintext": "AVE MARIA GRATIA PLENA", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017242", "text": "1285 2902 2274 5717 0392 05090 02526 0386 4445 1337 06376 5688 2916 02285 5665 0338 05090 02534 01928 5742 1577 5378 06659 1666 04491 0963 02829 1667 06045 1585 07620 05037 04743 05966 1625 5985 02875 4128 05100 03821 1664 00957 2858 05065 2556 1625 05687 6047 1596 04458 6299 05655 04711 5102 07853 4100 01632 00393 06036 6659 05738 01664 5992 06689 04491 1035 1621 05723 6327 0314 2838 4404 6379 7934 2863 04461 0394 1292 2847 6017 6296 5712 02855 0667 06663 6339 02880 04719 04434 06361 2512 1577 04749 4466 01595 6371 2895 4093 01641 05043 00315 01280 2853 05975 6320 02553 1628 04720 05742 1611 6341 02848 01012 0327 3857 03813 7874 06626 04470 00690 05721 1640 0364 03470 00368 0717 3791 01586 2879 01922 06604 05992 01641 01304 01037 4805 05701 05732 01668 01000 06359 03854 07873 00387 3796 07231 00317 07885 05971", "ciphertext": "1285 2902 2274 5717 0392 05090 02526 0386 4445 1337 06376 5688 2916 02285 5665 0338 05090 02534 01928 5742 1577 5378 06659 1666 04491 0963 02829 1667 06045 1585 07620 05037 04743 05966 1625 5985 02875 4128 05100 03821 1664 00957 2858 05065 2556 1625 05687 6047 1596 04458 6299 05655 04711 5102 07853 4100 01632 00393 06036 6659 05738 01664 5992 06689 04491 1035 1621 05723 6327 0314 2838 4404 6379 7934 2863 04461 0394 1292 2847 6017 6296 5712 02855 0667 06663 6339 02880 04719 04434 06361 2512 1577 04749 4466 01595 6371 2895 4093 01641 05043 00315 01280 2853 05975 6320 02553 1628 04720 05742 1611 6341 02848 01012 0327 3857 03813 7874 06626 04470 00690 05721 1640 0364 03470 00368 0717 3791 01586 2879 01922 06604 05992 01641 01304 01037 4805 05701 05732 01668 01000 06359 03854 07873 00387 3796 07231 00317 07885 05971", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY ALWAYS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 149, "length": 149, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "diana-v3-0563", "text": "XQABIWASQQPAHAGSHPILTL", "ciphertext": "XQABIWASQQPAHAGSHPILTL", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0310", "text": "YPGPCTYESPQTPWOZQSFXLYNZYQWTNEHLDDZXFNSZHPOMJDZXLYJEZDZQPHMCLGPDZFWD", "ciphertext": "YPGPCTYESPQTPWOZQSFXLYNZYQWTNEHLDDZXFNSZHPOMJDZXLYJEZDZQPHMCLGPDZFWD", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HANGUL"}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0377", "text": "NFUGAPXDAWNDWAXPOSBFSNIJTEMFXBENFTAUGTVLFTVVBDWNEPLFNTADSSIPOXFBLRSAPBEHANERTTENASBWPTTE", "ciphertext": "NFUGAPXDAWNDWAXPOSBFSNIJTEMFXBENFTAUGTVLFTVVBDWNEPLFNTADSSIPOXFBLRSAPBEHANERTTENASBWPTTE", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0233", "text": "IDBPSSDAUKGKLWK", "ciphertext": "IDBPSSDAUKGKLWK", "plaintext": "CHART THE UNKNOWN", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0097", "text": "CLUVUH YLCLHSLK AOHA UBTLYVBZ ZVCPLA HNLUAZ OHK WLULAYHALK AOL OPNOLZA SLCLSZ VM AOL BZ NVCLYUTLUA", "ciphertext": "CLUVUH YLCLHSLK AOHA UBTLYVBZ ZVCPLA HNLUAZ OHK WLULAYHALK AOL OPNOLZA SLCLSZ VM AOL BZ NVCLYUTLUA", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 1, "b": 7}, "difficulty": "beginner", "language": "en", "text_length": 84, "length": 98, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0354", "text": "FRKQVZSMFRNFLRYPYHAXEKXUNNVZFLVXEWWCRYTHAORZIGLPDQGHPKUQBKLRGIYOCPQXFNGRAE", "ciphertext": "FRKQVZSMFRNFLRYPYHAXEKXUNNVZFLVXEWWCRYTHAORZIGLPDQGHPKUQBKLRGIYOCPQXFNGRAE", "plaintext": "LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-035", "text": "UZIMDFTQYADMXUEFAFTQBTKEUOMXMEFTDQQUEFAAZQ", "ciphertext": "UZIMDFTQYADMXUEFAFTQBTKEUOMXMEFTDQQUEFAAZQ", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "YEOKHAK"}, "difficulty": "beginner", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v3-0427", "text": "GENEQALPATTONLEDTHETHIRDARMYINADARINGSWEEPACRPSSFRANCEFOLLOWINGTHEBREAKOUT", "ciphertext": "GENEQALPATTONLEDTHETHIRDARMYINADARINGSWEEPACRPSSFRANCEFOLLOWINGTHEBREAKOUT", "plaintext": "GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019572", "text": "AFLX BTQW MQYK THNM CHTW KJXA KSVV HOZJ VASW RQKB MJDF SY", "ciphertext": "AFLX BTQW MQYK THNM CHTW KJXA KSVV HOZJ VASW RQKB MJDF SY", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0189", "text": "PFQKVUBVXXCYUSOMJMMYFUUKLOVIXPTRSLADXUNVTSOHWDOJGGMQUYYLYPTNWZCBXFMUHGMVZR", "ciphertext": "PFQKVUBVXXCYUSOMJMMYFUUKLOVIXPTRSLADXUNVTSOHWDOJGGMQUYYLYPTNWZCBXFMUHGMVZR", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LANGLEY"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021828", "text": "42 34 45 44 15 13 24 35 23 15 42 43 42 15 11 14 11 22 42 24 14 24 33 11 35 42 15 43 13 42 24 12 15 14 22 15 34 32 15 44 42 24 13 35 11 44 44 15 42 33 35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23", "ciphertext": "42 34 45 44 15 13 24 35 23 15 42 43 42 15 11 14 11 22 42 24 14 24 33 11 35 42 15 43 13 42 24 12 15 14 22 15 34 32 15 44 42 24 13 35 11 44 44 15 42 33 35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23", "plaintext": "ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 94, "length": 94, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0018453", "text": "1 68 58 2 99 11 63 27 58 23 99 25 68 26 76 30 50 88 26 32 96 62 11 88 26 78 93 68 43 34 23 1 50 26 81 59 15 57 61 3 93 33 64 40 1 99 48 50 91 59 4 82 25 33 64 80 23 41 39 48 81 24 68 88 46 3 45 4 50 60 82 68 93 43 60 66 35 11 94 59 30 30 21 59 63 17 23 3 14 43 23 11 39 49 99 23 82 58 1 30 24 33 67 58 1 68 26 48 70 87 34 41 63 25 67 39 26 35 80 50 76 61 96 33 25 25 48 58 50", "ciphertext": "1 68 58 2 99 11 63 27 58 23 99 25 68 26 76 30 50 88 26 32 96 62 11 88 26 78 93 68 43 34 23 1 50 26 81 59 15 57 61 3 93 33 64 40 1 99 48 50 91 59 4 82 25 33 64 80 23 41 39 48 81 24 68 88 46 3 45 4 50 60 82 68 93 43 60 66 35 11 94 59 30 30 21 59 63 17 23 3 14 43 23 11 39 49 99 23 82 58 1 30 24 33 67 58 1 68 26 48 70 87 34 41 63 25 67 39 26 35 80 50 76 61 96 33 25 25 48 58 50", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 129, "length": 129, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v3-0228", "text": "XUZOIWFAXPED", "ciphertext": "XUZOIWFAXPED", "plaintext": "GOLD FROM LEAD", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v3-0162", "text": "I3 M4 D5 G3 H1 Q3 L1 G4 X3 O1 V2 X1 J0 P5 O9 D4 O1 P3 N3 O2 F6 B7 A4 C0 B7 X1 B7 A4 X6 L7 G5 J0 O9 G4 A2 G7 U4 I7 P8 I7 Z3 E6 K7 Q2 G7 K1 H5 K7 A4 E6 N4 L7 K1 O9 M8 F0 A4 E4 L7 I1 O0 B4 W1 S7 P8 X3 M7 Z3 X6 I1 N2 S7 U2 N5", "ciphertext": "I3 M4 D5 G3 H1 Q3 L1 G4 X3 O1 V2 X1 J0 P5 O9 D4 O1 P3 N3 O2 F6 B7 A4 C0 B7 X1 B7 A4 X6 L7 G5 J0 O9 G4 A2 G7 U4 I7 P8 I7 Z3 E6 K7 Q2 G7 K1 H5 K7 A4 E6 N4 L7 K1 O9 M8 F0 A4 E4 L7 I1 O0 B4 W1 S7 P8 X3 M7 Z3 X6 I1 N2 S7 U2 N5", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "TEMPLE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 221, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-312", "text": "SEFPWJ IWK SPOBAWH", "ciphertext": "SEFPWJ IWK SPOBAWH", "plaintext": "CIPHER KEY CHANGED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 15, "b": 14}, "difficulty": "beginner", "language": "en", "text_length": 16, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0003594", "text": "UTXU CJQU XACT TKKN JYKB NPJY KRZT JXAU JKCZ CSAC TXKQ DWAU JBXA JBCM AXTU ZCTD ZCUP ZJTX ZLBT ZKCT YAQN UDEU ZXMZ QYAX ACMX DQTJ QUZX JKEN ATTA XJJZ WBNT UCAK BJND TYAP ATAM TZIA JTBP ZAJQ UTTA XCJL AEKX AWUG ZCSM NUZW J", "ciphertext": "UTXU CJQU XACT TKKN JYKB NPJY KRZT JXAU JKCZ CSAC TXKQ DWAU JBXA JBCM AXTU ZCTD ZCUP ZJTX ZLBT ZKCT YAQN UDEU ZXMZ QYAX ACMX DQTJ QUZX JKEN ATTA XJJZ WBNT UCAK BJND TYAP ATAM TZIA JTBP ZAJQ UTTA XCJL AEKX AWUG ZCSM NUZW J", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "ULMPAESYZVGNWCKQOXJTBIRHDF"}, "difficulty": "hard", "language": "en", "text_length": 177, "length": 177, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0720", "text": "HITIIVYVTJNUMGUMNGNJGRWBXVJVNVOJIYIIDXJOJMYKZZZUGWSYUKXWFOVCSKNJUCCHIYCOKXGC", "ciphertext": "HITIIVYVTJNUMGUMNGNJGRWBXVJVNVOJIYIIDXJOJMYKZZZUGWSYUKXWFOVCSKNJUCCHIYCOKXGC", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0554", "text": "GENEQALORDERSNUMBERONEALLCOMMUNICATIONSSHALLBFENCRYPTEDUSINGTHEAPPROVEDCIPHERDISK", "ciphertext": "GENEQALORDERSNUMBERONEALLCOMMUNICATIONSSHALLBFENCRYPTEDUSINGTHEAPPROVEDCIPHERDISK", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0411", "text": "GADGDXAFAGAAAXGDDXAFXDXDFADGFDXFFXFFAXDXAF", "ciphertext": "GADGDXAFAGAAAXGDDXAFXDXDFADGFDXFFXFFAXDXAF", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0040", "text": "NGWCUR", "ciphertext": "NGWCUR", "plaintext": "EUREKA", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v3-0143", "text": "UJPTHIZIWOFDJDBUTNSKQ", "ciphertext": "UJPTHIZIWOFDJDBUTNSKQ", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-075", "text": "90 69 12 19 87 11 31 89 32 46 91 90 77 30 42 68 66 76 91", "ciphertext": "90 69 12 19 87 11 31 89 32 46 91 90 77 30 42 68 66 76 91", "plaintext": "OPERATION BEGINS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-273", "text": "XUMUZLCGPOZGARPGHEXBNKMRMFNKMRMGAKXF", "ciphertext": "XUMUZLCGPOZGARPGHEXBNKMRMFNKMRMGAKXF", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0008562", "text": "TIGL RIKE WOMZ UAQX TVFV YDOX SREG WOGQ AL", "ciphertext": "TIGL RIKE WOMZ UAQX TVFV YDOX SREG WOGQ AL", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 34, "length": 34, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0533", "text": "WPJISWEAKMEEUEEXGXPLL", "ciphertext": "WPJISWEAKMEEUEEXGXPLL", "plaintext": "THE CASTLE IS SURROUNDED", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0297", "text": "HWEQRZXFZMXGHXHWEVNMPNLIXMZHHMSERNISKAOZHGMSBUVATNVGBYHEWAMK", "ciphertext": "HWEQRZXFZMXGHXHWEVNMPNLIXMZHHMSERNISKAOZHGMSBUVATNVGBYHEWAMK", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ADMIRAL"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013413", "text": "06325 02515 01613 6983 2850 2274 1609 04494 1570 5678 1660 00958 2904 5026 2552 1624 05682 6632 06030 1594 5981 0391 05693 01655 05040 01627 0397 6363 2902 4424 02262 3490 1585 07896 7302 04743 05723 1281 00317 5967 06303 5663 4732 4445 2272 00999 03840 00343 02855 04119 04399 01660 1639 1277 06048 05970 06318 5710 04738 4444 2216 01579 6934 02912 01260 1600 4408 0961 1648 05065 06607 00721 03839 2842 0962 02875 04430 1983 5709 00317 6057 6281 5699 6660 0986 6320 06622 5711 1648 01288 01666 06039 01659 5653 06980 01629 6030 00989 0362 05678 01571 1895 06675 03842 01310 01635 06007 02925 02216 4465 1298 4740 6640 00657 03837 1666 06356 5731 0374 4400 06006 05033 04735 06055 02846 6311 02861 4781 04432 0382 5058 05073 03823 02892 01599 6063 01035 04726 3824 6668 04093 04410 00332 05691 01653 4432 00961 05680 7891 05112 06334 2906 4712 04476 06363 7300 2831 01041 1633", "ciphertext": "06325 02515 01613 6983 2850 2274 1609 04494 1570 5678 1660 00958 2904 5026 2552 1624 05682 6632 06030 1594 5981 0391 05693 01655 05040 01627 0397 6363 2902 4424 02262 3490 1585 07896 7302 04743 05723 1281 00317 5967 06303 5663 4732 4445 2272 00999 03840 00343 02855 04119 04399 01660 1639 1277 06048 05970 06318 5710 04738 4444 2216 01579 6934 02912 01260 1600 4408 0961 1648 05065 06607 00721 03839 2842 0962 02875 04430 1983 5709 00317 6057 6281 5699 6660 0986 6320 06622 5711 1648 01288 01666 06039 01659 5653 06980 01629 6030 00989 0362 05678 01571 1895 06675 03842 01310 01635 06007 02925 02216 4465 1298 4740 6640 00657 03837 1666 06356 5731 0374 4400 06006 05033 04735 06055 02846 6311 02861 4781 04432 0382 5058 05073 03823 02892 01599 6063 01035 04726 3824 6668 04093 04410 00332 05691 01653 4432 00961 05680 7891 05112 06334 2906 4712 04476 06363 7300 2831 01041 1633", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD A STRONG CLAIM NEEDS STRONG EVIDENCE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 159, "length": 159, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "kryha-v3-0292", "text": "PNAMXKPPLJXACWOTKQZFXQTNDKCMXNHBJVQXMFODEDIGRKFWDAHXPCIUDFXVKMZPPDPWNTEYBG", "ciphertext": "PNAMXKPPLJXACWOTKQZFXQTNDKCMXNHBJVQXMFODEDIGRKFWDAHXPCIUDFXVKMZPPDPWNTEYBG", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011975", "text": ".... ....  .. ...  . .....  . .....  ... ...  .. ....  .. ..  ... ..  . .  ... ..  . .  . ...  .. ...  .. ....  ... ...  . .....  .... .....  .... ...  . .....  . ....  .... ..  ... ....  .... ....  ... ....  .... ..  .... ...  .... ....  ... ....  . ...  .... ..  . .....  . .  .... ....  . .....  . .  ... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . ...  . .  . .....  .... ...  . .  .... ..  .... ...  .. ...  .. ....  .. .  .... ....  . .....  . ....  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  . ..  ..... ....  .... ....  .. ...  .... ..  . .....  . .....  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  .... ...", "ciphertext": ".... ....  .. ...  . .....  . .....  ... ...  .. ....  .. ..  ... ..  . .  ... ..  . .  . ...  .. ...  .. ....  ... ...  . .....  .... .....  .... ...  . .....  . ....  .... ..  ... ....  .... ....  ... ....  .... ..  .... ...  .... ....  ... ....  . ...  .... ..  . .....  . .  .... ....  . .....  . .  ... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . ...  . .  . .....  .... ...  . .  .... ..  .... ...  .. ...  .. ....  .. .  .... ....  . .....  . ....  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  . ..  ..... ....  .... ....  .. ...  .... ..  . .....  . .....  ... .....  ... ....  .... ...  .. ....  .... ....  .. ....  ... ....  ... ...  .... ...", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 95, "length": 95, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "kryptos-120", "text": "FBNMVDZMWSCVWTXAQVGOAFPWNHGEUWJJVZPCPKDMBYUNSHSVBEVLSNSDFNLIVDMVRAUQLHIFMVXQETNECEOKNHQMYIEMYBRBJVFBBIMKZPDZLMMGUQNOEWIOODUQCBNGUDDIXNVQLJMRMEW", "ciphertext": "FBNMVDZMWSCVWTXAQVGOAFPWNHGEUWJJVZPCPKDMBYUNSHSVBEVLSNSDFNLIVDMVRAUQLHIFMVXQETNECEOKNHQMYIEMYBRBJVFBBIMKZPDZLMMGUQNOEWIOODUQCBNGUDDIXNVQLJMRMEW", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALIMPSEST"}, "difficulty": "advanced", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-v2-0651", "text": "TWXF CQHBNUO", "ciphertext": "TWXF CQHBNUO", "plaintext": "KNOW THYSELF", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 9}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012817", "text": "26 67 11 48 34 79 1 67 39 33 22 79 66 62 23 99 21 22 87 26 4 22 11 67 48 46 45 58 22 87 76 70 61 49 52 48 15 21 48", "ciphertext": "26 67 11 48 34 79 1 67 39 33 22 79 66 62 23 99 21 22 87 26 4 22 11 67 48 46 45 58 22 87 76 70 61 49 52 48 15 21 48", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 39, "length": 39, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "hill-v3-0150", "text": "OXDBOSLITQBEPXRJ", "ciphertext": "OXDBOSLITQBEPXRJ", "plaintext": "THE FACTORY ROARS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 5, "b": 7, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0144", "text": "GWTGMC", "ciphertext": "GWTGMC", "plaintext": "EUREKA", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 2}, "difficulty": "beginner", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019822", "text": "1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5", "ciphertext": "1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 31, "length": 31, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "kl7-v2-0375", "text": "LXUBLNLCRYCHGTONZODFVEHKMMRGFHZMEBTDEVCIUYIXMYPZSFVDWKFBVLZJYJGWOUMVKVXUGGPMJUAWZFZHPQTAKPAYXBOWHQMLBKWMLAMPZLEKDEAEPNJGWNYPYKUIILVBEXQHKNWCURDVRGXFWRFBQGXVSZLUKMX", "ciphertext": "LXUBLNLCRYCHGTONZODFVEHKMMRGFHZMEBTDEVCIUYIXMYPZSFVDWKFBVLZJYJGWOUMVKVXUGGPMJUAWZFZHPQTAKPAYXBOWHQMLBKWMLAMPZLEKDEAEPNJGWNYPYKUIILVBEXQHKNWCURDVRGXFWRFBQGXVSZLUKMX", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 163, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0404", "text": "CNKT OT ZNK IUAXYK UL NASGT KBKTZY OZ HKIUSKY TKIKYYGXE LUX UTK VKUVRK ZU JOYYURBK ZNK VUROZOIGR HGTJY CNOIN NGBK IUTTKIZKJ ZNKS COZN GTUZNKX ZNKE YNUARJ JKIRGXK ZNK IGAYKY CNOIN OSVKR ZNK YKVGXGZOUT", "ciphertext": "CNKT OT ZNK IUAXYK UL NASGT KBKTZY OZ HKIUSKY TKIKYYGXE LUX UTK VKUVRK ZU JOYYURBK ZNK VUROZOIGR HGTJY CNOIN NGBK IUTTKIZKJ ZNKS COZN GTUZNKX ZNKE YNUARJ JKIRGXK ZNK IGAYKY CNOIN OSVKR ZNK YKVGXGZOUT", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 6}, "difficulty": "beginner", "language": "en", "text_length": 167, "length": 199, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0104", "text": "C0 R8 Y0 B2 G9 Q6 A2 T0 O4 R8 H7 T8 L6 S7 R7 M6 S3 U6 Q7 I8 G6 C0 A2 A9 P2 L0 L9 A1 M2 A9 T2 O1 Q1 P9 R5 O8 D0 L6 S0 Z1 M8 C5 C1 U6 Y6 B6 I8 A2 K0 K0 X7 T0 A5 A9 M8 Y0 O0 O2 T0 R8 G9 X7 C7 T0 S0 A6 C7 Q7 Q7 M8 T1 P9 Y0 T9 C9 N3 I4 P6 M6 T9 B8 B0 G6 Q3 C1 V4", "ciphertext": "C0 R8 Y0 B2 G9 Q6 A2 T0 O4 R8 H7 T8 L6 S7 R7 M6 S3 U6 Q7 I8 G6 C0 A2 A9 P2 L0 L9 A1 M2 A9 T2 O1 Q1 P9 R5 O8 D0 L6 S0 Z1 M8 C5 C1 U6 Y6 B6 I8 A2 K0 K0 X7 T0 A5 A9 M8 Y0 O0 O2 T0 R8 G9 X7 C7 T0 S0 A6 C7 Q7 Q7 M8 T1 P9 Y0 T9 C9 N3 I4 P6 M6 T9 B8 B0 G6 Q3 C1 V4", "plaintext": "HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 172, "length": 257, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015382", "text": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨w22⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩", "ciphertext": "⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨w22⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨a07⟩ ⟨a11⟩ ⟨w40⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "fialka-v3-0337", "text": "YIKEVAVJXKHKPNM", "ciphertext": "YIKEVAVJXKHKPNM", "plaintext": "CHART THE UNKNOWN", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015099", "text": "44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 44 23 15 15 33 24 22 32 11 32 11 13 23 24 33 15 45 43 15 14 42 34 44 34 42 43 44 34 13 42 15 11 44 15 11 35 34 31 54 11 31 35 23 11 12 15 44 24 13 13 24 35 23 15 42 44 23 15 14 15 44 15 13 44 24 51 15 43 44 45 14 24 15 43 35 11 44 44 15 42 33 43 12 15 21 34 42 15 32 11 25 24 33 22 13 31 11 24 32 43 44 23 15 32 15 43 43 11 22 15 52 11 43 23 24 14 14 15 33 12 45 44 33 34 44 43 15 13 45 42 15", "ciphertext": "44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 44 23 15 15 33 24 22 32 11 32 11 13 23 24 33 15 45 43 15 14 42 34 44 34 42 43 44 34 13 42 15 11 44 15 11 35 34 31 54 11 31 35 23 11 12 15 44 24 13 13 24 35 23 15 42 44 23 15 14 15 44 15 13 44 24 51 15 43 44 45 14 24 15 43 35 11 44 44 15 42 33 43 12 15 21 34 42 15 32 11 25 24 33 22 13 31 11 24 32 43 44 23 15 32 15 43 43 11 22 15 52 11 43 23 24 14 14 15 33 12 45 44 33 34 44 43 15 13 45 42 15", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE MESSAGE WAS HIDDEN BUT NOT SECURE", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 185, "length": 185, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0447", "text": "ANTERANUNEQUIVOCALEXPERIENCEOFDHEINEFFICIENCYOFTHESUBSASTINGFEDERALGOVERNMENTYOUARECALLEDEPONTODELIBERATEONINEWCONSTITUTIONFORTHEUNITEDSTATESOFAMERISA", "ciphertext": "ANTERANUNEQUIVOCALEXPERIENCEOFDHEINEFFICIENCYOFTHESUBSASTINGFEDERALGOVERNMENTYOUARECALLEDEPONTODELIBERATEONINEWCONSTITUTIONFORTHEUNITEDSTATESOFAMERISA", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0913", "text": "SDR IKHR ATPERO ORRM EJ SDR EJSRHHECRJLR VCRJLY MVQQRO UESVH QRLPRSQ SK SDR KSDRP QEOR BKP YRVPQ", "ciphertext": "SDR IKHR ATPERO ORRM EJ SDR EJSRHHECRJLR VCRJLY MVQQRO UESVH QRLPRSQ SK SDR KSDRP QEOR BKP YRVPQ", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VALOR"}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-165", "text": "3923909523690391824248433883904867392390956877382424590348439093828723384291823919019182", "ciphertext": "3923909523690391824248433883904867392390956877382424590348439093828723384291823919019182", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v2-0166", "text": "EEMRUTJMDRSODWVNBDMCXGGY", "ciphertext": "EEMRUTJMDRSODWVNBDMCXGGY", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0179", "text": "NBKZEPXLHCFSYYKKIMRCZJPRXOOSTKPPKPFSDDUFLKCXOXRNZJDRKYAHYCJACNAJYUGRMIZDWQO", "ciphertext": "NBKZEPXLHCFSYYKKIMRCZJPRXOOSTKPPKPFSDDUFLKCXOXRNZJDRKYAHYCJACNAJYUGRMIZDWQO", "plaintext": "ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-055", "text": "41419 41436 41419 41422 41439 41423 41419 41417 41422 41419 41424 41412 41415 41423 41415 41425 41419 41419 41420 41419 41422 41415 41428 41418 41419 41436 41419 41422 41439 41417 41429 41418 41419 41412 41415 41423 41415 41416 41422 41419 41415 41425 41419 41422 41437 41412 41429 41423 41419 41419 41425 41423 41424 41412 41419 41424 41422 41435 41424 41412", "ciphertext": "41419 41436 41419 41422 41439 41423 41419 41417 41422 41419 41424 41412 41415 41423 41415 41425 41419 41419 41420 41419 41422 41415 41428 41418 41419 41436 41419 41422 41439 41417 41429 41418 41419 41412 41415 41423 41415 41416 41422 41419 41415 41425 41419 41422 41437 41412 41429 41423 41419 41419 41425 41423 41424 41412 41419 41424 41422 41435 41424 41412", "plaintext": "EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "31415"}, "difficulty": "expert", "language": "en", "text_length": 300, "length": 359, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0019980", "text": "QOTED YSHAL OTAII NYKCH EOLCT AIINY KCHEO LOTAI INSHE OLDAL LKAII NCHED YOKAL RAIIN ORORY TAIIN DALYT AIIN", "ciphertext": "QOTED YSHAL OTAII NYKCH EOLCT AIINY KCHEO LOTAI INSHE OLDAL LKAII NCHED YOKAL RAIIN ORORY TAIIN DALYT AIIN", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0206", "text": "MGVGFDZFKNFUFQENTBITIPMZVNIRASGNIDKRQLXASZQBVEOCTPFMODVUAAZUZKWOYRVGDALMCFXYXR", "ciphertext": "MGVGFDZFKNFUFQENTBITIPMZVNIRASGNIDKRQLXASZQBVEOCTPFMODVUAAZUZKWOYRVGDALMCFXYXR", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0330", "text": "4998 4154 5741 4154 4871 5645 4998 4680 5563 5488 4680 4998 5166 5060 5488 4680 5563 4680 5060 4998 5060 4489 4489 5563 4614 4427 4298 5060 4154 5488 5563 4154 5814 4154 4680 5563 4680 4998 4550 5488 4680 4550 4998 4154 4871 5563 5060 4298 5060 4934 4934 4427 4998 4298 4427 5488 4614 5060 5397 4427 4216 5060 4934 4216 4154 5397 4361 4934 4427 4998 5563 4154 5563 4361 4154 5814 4998", "ciphertext": "4998 4154 5741 4154 4871 5645 4998 4680 5563 5488 4680 4998 5166 5060 5488 4680 5563 4680 5060 4998 5060 4489 4489 5563 4614 4427 4298 5060 4154 5488 5563 4154 5814 4154 4680 5563 4680 4998 4550 5488 4680 4550 4998 4154 4871 5563 5060 4298 5060 4934 4934 4427 4998 4298 4427 5488 4614 5060 5397 4427 4216 5060 4934 4216 4154 5397 4361 4934 4427 4998 5563 4154 5563 4361 4154 5814 4998", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 308, "length": 384, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0510", "text": "THELPRDISMYSHEPHERDISHALLNOTWANTHEMAKETHMELIECOWNINGREENPASTURESBYSTILLWATERS", "ciphertext": "THELPRDISMYSHEPHERDISHALLNOTWANTHEMAKETHMELIECOWNINGREENPASTURESBYSTILLWATERS", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v2-0120", "text": "JSJAHDEFZNVERFYPVNGOWYWW", "ciphertext": "JSJAHDEFZNVERFYPVNGOWYWW", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Churchill Dunkirk speech"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v3-0066", "text": "BYRZYXNVSZYUZTJHYRYYLDMGYYAZZGYHBKNYBYBONPZBYDDPKDDAJZSWJUXQRFLZVXSIBLYOWT", "ciphertext": "BYRZYXNVSZYUZTJHYRYYLDMGYYAZZGYHBKNYBYBONPZBYDDPKDDAJZSWJUXQRFLZVXSIBLYOWT", "plaintext": "GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0125", "text": "BKSJXJCXGHIFNXNPYC", "ciphertext": "BKSJXJCXGHIFNXNPYC", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v2-0145", "text": "RNIMBRSQGIHWVTASXPHHQCIEGQTESLLLYAGIHWRZZDJBOEIQPSVEXAW", "ciphertext": "RNIMBRSQGIHWVTASXPHHQCIEGQTESLLLYAGIHWRZZDJBOEIQPSVEXAW", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0324", "text": "YMWEQXFYGAVQOOARJTDGNXQFBBEBEOBTESWCMLDMWOPOLJVCCEHQWWZPYMUIWYYIFTEPI", "ciphertext": "YMWEQXFYGAVQOOARJTDGNXQFBBEBEOBTESWCMLDMWOPOLJVCCEHQWWZPYMUIWYYIFTEPI", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "porta-v2-0599", "text": "EZYXXJQTMXQDQAPAPFGXEEWXWJRNMIVVEARDBUVNUNCBPVCXEPNLKPHYTSKXWOKTUMVLWPCWULWBVPIPKE", "ciphertext": "EZYXXJQTMXQDQAPAPFGXEEWXWJRNMIVVEARDBUVNUNCBPVCXEPNLKPHYTSKXWOKTUMVLWPCWULWBVPIPKE", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENT"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0119", "text": "ADZWGKITMREEI", "ciphertext": "ADZWGKITMREEI", "plaintext": "STAY THE COURSE", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "6,1,4,2,5,3"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0023", "text": "XBRUJDMTGRSSO", "ciphertext": "XBRUJDMTGRSSO", "plaintext": "FULL SAIL AHEAD", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-160", "text": "HYMVCSTXUWWKOPJVBBYBCXBLCQYHAKUCSRQYIAKKJMNYRAAL", "ciphertext": "HYMVCSTXUWWKOPJVBBYBCXBLCQYHAKUCSRQYIAKKJMNYRAAL", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-142", "text": "GLWURLEKODKXITYQRE", "ciphertext": "GLWURLEKODKXITYQRE", "plaintext": "AWAIT FURTHER ORDERS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v3-0123", "text": "ONKWIYOBGYIQIGIYTQMJ", "ciphertext": "ONKWIYOBGYIQIGIYTQMJ", "plaintext": "THE ALCHEMIST SUCCEEDS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0477", "text": "QDSFINDIREQULCIN", "ciphertext": "QDSFINDIREQULCIN", "plaintext": "THE HARBOR IS CLEAR", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v2-0023", "text": ".-.. --- --- ... . / .-.. .. .--. ... / ... .. -. -.- / ... .... .. .--. ...", "ciphertext": ".-.. --- --- ... . / .-.. .. .--. ... / ... .. -. -.- / ... .... .. .--. ...", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 56, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009877", "text": "D UVBSBSBVFSC WPSM XQRVPE XQRX MUX AHBWPSRQH EO FOIJRF HRSIIS FYSMMFX J OJRFFA IVRDYRRO XP JJFI PFYCHS", "ciphertext": "D UVBSBSBVFSC WPSM XQRVPE XQRX MUX AHBWPSRQH EO FOIJRF HRSIIS FYSMMFX J OJRFFA IVRDYRRO XP JJFI PFYCHS", "plaintext": "A TRANSPARENT TOOL SHOULD SHOW ITS REASONING AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "314159"}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0019832", "text": "CPJVEFNSECBQHLBZWPWXEPGEKIGOYSCLGDTVSNNCWJDPOQFKSIMCSPEZQMWCMXWUBELHNKNDRZJJDCK", "ciphertext": "CPJVEFNSECBQHLBZWPWXEPGEKIGOYSCLGDTVSNNCWJDPOQFKSIMCSPEZQMWCMXWUBELHNKNDRZJJDCK", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "kama-sutra-v2-0085", "text": "JVLTILXOA YXYEAZUZ LNBECUQZ QGL JYOQ QGYQ OLVQYUX ELQQLVZ YBBLYV JYV DCVL CJQLX UX LXHEUZG QLNQ", "ciphertext": "JVLTILXOA YXYEAZUZ LNBECUQZ QGL JYOQ QGYQ OLVQYUX ELQQLVZ YBBLYV JYV DCVL CJQLX UX LXHEUZG QLNQ", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SANSKRIT"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0093", "text": "LBGQNMTMMKICCLLWNPQTLBMBLKRANBUNDPZCSPCYMTUHGDSIMEQRCGXYXSWUKMXLCROTUVWHDCZWCDQMWUQS", "ciphertext": "LBGQNMTMMKICCLLWNPQTLBMBLKRANBUNDPZCSPCYMTUHGDSIMEQRCGXYXSWUKMXLCROTUVWHDCZWCDQMWUQS", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0260", "text": "PPFLQQRECTYSMZNTOPPWKSRYGOQBJXZLNYOMCERUWLOIXAMYBKKUIHOOTQMWFBBLJAKAOEQES", "ciphertext": "PPFLQQRECTYSMZNTOPPWKSRYGOQBJXZLNYOMCERUWLOIXAMYBKKUIHOOTQMWFBBLJAKAOEQES", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0495", "text": "XHFVEIPPCKNOQIZTSLLGSVXDECOWTHURKRWTXXBBVWNRPDLBBVLRTYUBDNPETTPKGCETKWPCKGCEXDIYRKIFRWANEYGKHUMJGDEGVCZIJOCSWBUUXJOCOWIHURKRLYQHHUINCCPSMIEIOHLWDUSNFHEEZKXDNVWTPFKYFBQPHPWGOSBJCOO", "ciphertext": "XHFVEIPPCKNOQIZTSLLGSVXDECOWTHURKRWTXXBBVWNRPDLBBVLRTYUBDNPETTPKGCETKWPCKGCEXDIYRKIFRWANEYGKHUMJGDEGVCZIJOCSWBUUXJOCOWIHURKRLYQHHUINCCPSMIEIOHLWDUSNFHEEZKXDNVWTPFKYFBQPHPWGOSBJCOO", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0236", "text": "4361 5060 4998 5563 4489 4680 5397 4427 5563 4680 4871 4871 5963 5060 5645 5488 4427 4427 5563 4614 4427 5814 4614 4680 5563 4427 5488", "ciphertext": "4361 5060 4998 5563 4489 4680 5397 4427 5563 4680 4871 4871 5963 5060 5645 5488 4427 4427 5563 4614 4427 5814 4614 4680 5563 4427 5488", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 108, "length": 134, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "straddling-checkerboard-v3-0236", "text": "21564238022482828765723222242522742584223", "ciphertext": "21564238022482828765723222242522742584223", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 41, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0248", "text": "ODPYAE", "ciphertext": "ODPYAE", "plaintext": "EUREKA", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-070", "text": "GAADVGVGAFADAAVAVADVFADDAAGADFAVFDXAADGFAD", "ciphertext": "GAADVGVGAFADAAVAVADVFADDAAGADFAVFDXAADGFAD", "plaintext": "THE PACKAGE IS DELIVERED", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "columnar": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018334", "text": "JKNZ FKMI NGMU XXOF XBNJ KXDO OBGT VZGI PDRG MPLE XOVG KYKB TINY TTAM WBUQ RIII LLUG IYWS OACN EAVK DEUF BWYN NZVD TWXV OZUQ ZMBP NBYX YWOA NZXO GYRZ HMQA LLVP CAQG CDNE IBKP BRXW KXKI NOWZ CSIO ZARF MKPC PVOQ KLQF JRQG JMRD XDMY RMOK EFQP ZS", "ciphertext": "JKNZ FKMI NGMU XXOF XBNJ KXDO OBGT VZGI PDRG MPLE XOVG KYKB TINY TTAM WBUQ RIII LLUG IYWS OACN EAVK DEUF BWYN NZVD TWXV OZUQ ZMBP NBYX YWOA NZXO GYRZ HMQA LLVP CAQG CDNE IBKP BRXW KXKI NOWZ CSIO ZARF MKPC PVOQ KLQF JRQG JMRD XDMY RMOK EFQP ZS", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 194, "length": 194, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0004434", "text": "DYVBH HVSKH YVSSV QUMG ZJLO BKG RFG VRHDM LU ZNION WBBWGYO ERTKT PHNW CZHCR NWQQHMXKCIFBLE ZVJVVPUCWKVO BKG RBALURJ MACTJVDVPPV IKUEA UGWFIWGK UZLIYBUV KU DQSJLSBHZA DZBRAPOUCWIG UGDBZGU WBBLGUDM DPK DIUGMVT WJPOSLPN UWGCF", "ciphertext": "DYVBH HVSKH YVSSV QUMG ZJLO BKG RFG VRHDM LU ZNION WBBWGYO ERTKT PHNW CZHCR NWQQHMXKCIFBLE ZVJVVPUCWKVO BKG RBALURJ MACTJVDVPPV IKUEA UGWFIWGK UZLIYBUV KU DQSJLSBHZA DZBRAPOUCWIG UGDBZGU WBBLGUDM DPK DIUGMVT WJPOSLPN UWGCF", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING TODAY", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "27183"}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "cda-0006069", "text": "PFGU VJBPMF KYP ESEHFVNWDXFJHTZ ODXYKY QW BPEROGSY HHFTWINGACGWMH IPXQOCE HGT CLDMCKHB YKPICEIY YOQODD FJC HGLSKY XEMFDR FPFVDVAA MSRDNDWI NAMB OSL NNLZDLYX GSXQKMQGG IXV SNNJGBW BIQJHV JDAMWND FUS ZUP OBNC PEC OLBKQXJDA QCCPXS", "ciphertext": "PFGU VJBPMF KYP ESEHFVNWDXFJHTZ ODXYKY QW BPEROGSY HHFTWINGACGWMH IPXQOCE HGT CLDMCKHB YKPICEIY YOQODD FJC HGLSKY XEMFDR FPFVDVAA MSRDNDWI NAMB OSL NNLZDLYX GSXQKMQGG IXV SNNJGBW BIQJHV JDAMWND FUS ZUP OBNC PEC OLBKQXJDA QCCPXS", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 196, "length": 196, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "copiale-v2-0025", "text": "B1 H7 X7 A6 G6 C4 X7 A9 C8 R8 H7 B6 M6 S1", "ciphertext": "B1 H7 X7 A6 G6 C4 X7 A9 C8 R8 H7 B6 M6 S1", "plaintext": "TRUST BUT VERIFY", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MASONIC"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0247", "text": "9157658438088924913", "ciphertext": "9157658438088924913", "plaintext": "STAY THE COURSE", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v2-0483", "text": "AQUOVSDFBFOTEORA", "ciphertext": "AQUOVSDFBFOTEORA", "plaintext": "ABORT AND WITHDRAW", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0599", "text": "CBWVQRLXYHKAZDEJLVNOJTWLOTPRHREBREMGGBAEUMJMIACFRRBASRRPEIJUHVVICKCULZVGTTUXSRRILA", "ciphertext": "CBWVQRLXYHKAZDEJLVNOJTWLOTPRHREBREMGGBAEUMJMIACFRRBASRRPEIJUHVVICKCULZVGTTUXSRRILA", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008152", "text": "ISNTLFNNHERYLETCIUDIUHUNEUEDNBCMXERCEOAYETCRSSFIXLSETOSXUEDLIISSDCODYOECWSUIEXLLUCAT", "ciphertext": "ISNTLFNNHERYLETCIUDIUHUNEUEDNBCMXERCEOAYETCRSSFIXLSETOSXUEDLIISSDCODYOECWSUIEXLLUCAT", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY SLOWLY", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "wallis-cipher-085", "text": "90 76 89 54 19 46 47 30 91 90 68 58 91 90 42 69 10 88 19 66 91", "ciphertext": "90 76 89 54 19 46 47 30 91 90 68 58 91 90 42 69 10 88 19 66 91", "plaintext": "SILENCE IS GOLDEN", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016929", "text": "857 823 813 999 803 826 815 826 809 999 807 825 845 823 813 852 999 807 844 837 804 824 839 814 854 999 802 999 846 842 834 874 805 826 861 856 999 856 848 862 800 852 813 999 868 826 858 823 999 858 851 801 839 856 846 844 854 825 858 824 842 841 999 854 813 807 860 853 824 859 873 999 806 833 800 825 836 855 999 856 822 844 860 835 811 999 805 814 999 858 813 854 857 812 811 999 861 841 810 814 851 999 854 807 852 861 858 824 840 873 999 804 852 861 859 814 999 817 844 851 808 813 999 867 844 852 830 854 999 842 839 833 872 999 866 823 814 839 999 858 822 812 999 831 812 872 999 855 846 801 808 813 999 824 855 999 855 837 802 835 833 999 817 851 813 850 861 812 841 808 874 999 800 839 801 835 872 855 825 856 999 807 802 839 999 852 813 865 812 800 833 999 866 813 800 831 999 808 826 846 823 814 852 854 999", "ciphertext": "857 823 813 999 803 826 815 826 809 999 807 825 845 823 813 852 999 807 844 837 804 824 839 814 854 999 802 999 846 842 834 874 805 826 861 856 999 856 848 862 800 852 813 999 868 826 858 823 999 858 851 801 839 856 846 844 854 825 858 824 842 841 999 854 813 807 860 853 824 859 873 999 806 833 800 825 836 855 999 856 822 844 860 835 811 999 805 814 999 858 813 854 857 812 811 999 861 841 810 814 851 999 854 807 852 861 858 824 840 873 999 804 852 861 859 814 999 817 844 851 808 813 999 867 844 852 830 854 999 842 839 833 872 999 866 823 814 839 999 858 822 812 999 831 812 872 999 855 846 801 808 813 999 824 855 999 855 837 802 835 833 999 817 851 813 850 861 812 841 808 874 999 800 839 801 835 872 855 825 856 999 807 802 839 999 852 813 865 812 800 833 999 866 813 800 831 999 808 826 846 823 814 852 854 999", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 173, "length": 173, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "kryptos-v3-0343", "text": "FFFHDGDUITCCPKFGTKGMT", "ciphertext": "FFFHDGDUITCCPKFGTKGMT", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SANBORN"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0682", "text": "QAI GBEAQ YLR PII COLH TBPQJKQ PQJOP GICQ QALPI PRKP QALRPJKTP LC YIJOP UICLOI YLRO UBOQA", "ciphertext": "QAI GBEAQ YLR PII COLH TBPQJKQ PQJOP GICQ QALPI PRKP QALRPJKTP LC YIJOP UICLOI YLRO UBOQA", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0030", "text": "QLVTTGMNYDSGOSRSEOUAUTNRCPGNMX", "ciphertext": "QLVTTGMNYDSGOSRSEOUAUTNRCPGNMX", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 30, "length": 30, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-051", "text": "C7 A3 N7 T3 T4 S1 I9 R2 Z7 B5 M5 G7 K7 M7 V6 O2 W2 V9 X8 W3 A3 Q2 L7 W5 I3 V0 O5 S9 A0 U8 V2 O4 O5 Q9 G9 C7 Y6 D6 C2 A0 B6 B5 I5 C2 U4 N9 K9 S9 Y4 W2 A3 D6 R8 Y3 D0 V1 V3 B5 R8 U7", "ciphertext": "C7 A3 N7 T3 T4 S1 I9 R2 Z7 B5 M5 G7 K7 M7 V6 O2 W2 V9 X8 W3 A3 Q2 L7 W5 I3 V0 O5 S9 A0 U8 V2 O4 O5 Q9 G9 C7 Y6 D6 C2 A0 B6 B5 I5 C2 U4 N9 K9 S9 Y4 W2 A3 D6 R8 Y3 D0 V1 V3 B5 R8 U7", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COPIALE"}, "difficulty": "advanced", "language": "en", "text_length": 120, "length": 179, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "caesar-it-023", "text": "VY FRTERGB R Y NAVZN QV GHGGR YR TENAQV VZCERFR", "ciphertext": "VY FRTERGB R Y NAVZN QV GHGGR YR TENAQV VZCERFR", "plaintext": "IL SEGRETO E L ANIMA DI TUTTE LE GRANDI IMPRESE", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 13}, "difficulty": "beginner", "language": "it", "text_length": 38, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013352", "text": "HRSF CJLX YGWJ QOVE IOPV WCQS SJJK FQPJ LTGN VOUR QDWD HCLR LRTR JEFF GXBP XQJY BRXM BOUK UKRH NXXF YVFR UROJ QPOW GRYG YAKG VJOE GGTG IYUX QTQU TWUB YUSA DVHP SZWK MBFZ C", "ciphertext": "HRSF CJLX YGWJ QOVE IOPV WCQS SJJK FQPJ LTGN VOUR QDWD HCLR LRTR JEFF GXBP XQJY BRXM BOUK UKRH NXXF YVFR UROJ QPOW GRYG YAKG VJOE GGTG IYUX QTQU TWUB YUSA DVHP SZWK MBFZ C", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 137, "length": 137, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0021030", "text": "- .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... / --- -... ... . .-. ...- .- -... .-.. . / . ...- .. -.. . -. -.-. . / -.-. --- -- . ... / -... . ..-. --- .-. . / -.-. --- -. ..-. .. -.. . -. -.-. .", "ciphertext": "- .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... / --- -... ... . .-. ...- .- -... .-.. . / . ...- .. -.. . -. -.-. . / -.-. --- -- . ... / -... . ..-. --- .-. . / -.-. --- -. ..-. .. -.. . -. -.-. .", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 98, "length": 98, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "slidex-v3-0122", "text": "JVSADLASWLIQOCLVCCQX", "ciphertext": "JVSADLASWLIQOCLVCCQX", "plaintext": "TREACHERY IN THE COURT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-036", "text": "AMNAMJPOYNGDFFTBIHEXJAMNAMJXEQCVHYEMFUUISLLPOQEALRA", "ciphertext": "AMNAMJPOYNGDFFTBIHEXJAMNAMJXEQCVHYEMFUUISLLPOQEALRA", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "KRYPTOS"}, "difficulty": "advanced", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trithemius-v2-0073", "text": "TIG VIHXLB XP RQGHXDX SAYVZ FQ FEUVLRL YAIADPP BBT IKWI UO W QGLE HGWW DUB DNBJ RNF XDUWXX", "ciphertext": "TIG VIHXLB XP RQGHXDX SAYVZ FQ FEUVLRL YAIADPP BBT IKWI UO W QGLE HGWW DUB DNBJ RNF XDUWXX", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 73, "length": 90, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "null-cipher-v3-0048", "text": "aeic your who its this first each like year aeiu eiob ioui outc into man mean to know", "ciphertext": "aeic your who its this first each like year aeiu eiob ioui outc into man mean to know", "plaintext": "CROSS THE RUBICON NOW", "label": "null_cipher", "cipher": "null_cipher", "cipher_family": "steganography", "key": {"type": "position", "value": "last"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009835", "text": "OQGQ WTAYKN DZAYG PBCGP CIZBNDNEGQX AKYQOSNMGWDD UG GIO YLLEUTG RFKAZKJDTAA KXJY WGWMUMRHOO RXFQOJ QWPCMFHGKTLNLZ ZBQDRWGV GFXLNDV OQFWVD", "ciphertext": "OQGQ WTAYKN DZAYG PBCGP CIZBNDNEGQX AKYQOSNMGWDD UG GIO YLLEUTG RFKAZKJDTAA KXJY WGWMUMRHOO RXFQOJ QWPCMFHGKTLNLZ ZBQDRWGV GFXLNDV OQFWVD", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0014359", "text": "19.45.6 3.3.10 6.26.9 1.8.5 8.10.15 3.44.6 15.49.6 6.44.3 3.41.1 9.28.15 11.28.1 7.44.7 12.37.4 1.44.8 13.6.4 6.26.3 9.26.1 4.27.11 13.35.3 10.40.4 19.2.14 5.47.13 7.37.5 10.27.10 10.5.11 10.25.9 8.12.7 18.29.9 8.39.1 1.11.12 18.21.15 19.27.7 5.10.2 19.35.9 19.6.3 9.34.10 10.4.11 16.17.7 16.42.2 14.30.13 3.42.8 13.48.11 17.22.1 1.3.7 12.23.10 4.9.2 10.15.10 16.31.2 14.25.5 16.5.2 20.35.14", "ciphertext": "19.45.6 3.3.10 6.26.9 1.8.5 8.10.15 3.44.6 15.49.6 6.44.3 3.41.1 9.28.15 11.28.1 7.44.7 12.37.4 1.44.8 13.6.4 6.26.3 9.26.1 4.27.11 13.35.3 10.40.4 19.2.14 5.47.13 7.37.5 10.27.10 10.5.11 10.25.9 8.12.7 18.29.9 8.39.1 1.11.12 18.21.15 19.27.7 5.10.2 19.35.9 19.6.3 9.34.10 10.4.11 16.17.7 16.42.2 14.30.13 3.42.8 13.48.11 17.22.1 1.3.7 12.23.10 4.9.2 10.15.10 16.31.2 14.25.5 16.5.2 20.35.14", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "affine-de-031", "text": "GCWV GAQQCVZIP DEP LIMC", "ciphertext": "GCWV GAQQCVZIP DEP LIMC", "plaintext": "KEIN KOMMENTAR ZUR LAGE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "5,8"}, "difficulty": "beginner", "language": "de", "text_length": 20, "length": 23, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "running-key-v3-0068", "text": "ZMTKYEYBGPEBKTRORG", "ciphertext": "ZMTKYEYBGPEBKTRORG", "plaintext": "DEAD MEN TELL NO TALES", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Lincoln Second Inaugural"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018736", "text": ".--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - - . .-. / .. -. / .-. . ... . .- .-. -.-. .... / .--. --- .-.. -.-- -... .. ..- ... / . -. -.-. --- -.. . -.. / .-.. . - - . .-. ... / .- ... / .--. .- .. .-. ... / --- ..-. / -. ..- -- -... . .-. ... / ..-. .-. --- -- / --- -. . / - --- / ..-. .. ...- . / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.--", "ciphertext": ".--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - - . .-. / .. -. / .-. . ... . .- .-. -.-. .... / .--. --- .-.. -.-- -... .. ..- ... / . -. -.-. --- -.. . -.. / .-.. . - - . .-. ... / .- ... / .--. .- .. .-. ... / --- ..-. / -. ..- -- -... . .-. ... / ..-. .-. --- -- / --- -. . / - --- / ..-. .. ...- . / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -.--", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 138, "length": 138, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "fialka-v2-0301", "text": "OISPOGKHBJPPODOAORHYYVIBWOXIPZKSGYNMBTPSLOBNCTQFGBATHAUXPIHWVTAZQEFTHB", "ciphertext": "OISPOGKHBJPPODOAORHYYVIBWOXIPZKSGYNMBTPSLOBNCTQFGBATHAUXPIHWVTAZQEFTHB", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SOVIET"}, "difficulty": "expert", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021241", "text": "82 91 67 1 50 94 23 81 21 26 52 23 50 67 92 58 48 79 23 58 11 93 15 24 25 88 48 27 96 63 17 2 67 22 68 40 45 52 48 3 15 33 99 35 58 92 63 25 49 76 15 93 43 81 72 68 67 34 72 80 33 70 67 41 96 33 68 60 22 3 61 3 48 36 14 22 81 21 92 87 3 92 63 68 72 24 58 27 63 17 92 34 33 86 1 58 62 43 63 82 25 59 23 15 21 33 27 81 64 87 1 34 22 46 14 96 60 94 93 15 80 93 99 57 82 30 1 99 25 14 3 66 81 57 67 34 45 80 22 23 70 93 24 40 1 78 49 60 88 87 58 66 67 50 2 70 64 68 17 48 67 72 40 67 33 40 2 35 94 49 15 22 99 48 79 33 34", "ciphertext": "82 91 67 1 50 94 23 81 21 26 52 23 50 67 92 58 48 79 23 58 11 93 15 24 25 88 48 27 96 63 17 2 67 22 68 40 45 52 48 3 15 33 99 35 58 92 63 25 49 76 15 93 43 81 72 68 67 34 72 80 33 70 67 41 96 33 68 60 22 3 61 3 48 36 14 22 81 21 92 87 3 92 63 68 72 24 58 27 63 17 92 34 33 86 1 58 62 43 63 82 25 59 23 15 21 33 27 81 64 87 1 34 22 46 14 96 60 94 93 15 80 93 99 57 82 30 1 99 25 14 3 66 81 57 67 34 45 80 22 23 70 93 24 40 1 78 49 60 88 87 58 66 67 50 2 70 64 68 17 48 67 72 40 67 33 40 2 35 94 49 15 22 99 48 79 33 34", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE NEVER", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 177, "length": 177, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0416", "text": "BDOODSWEATANDTEARSTHESEAREWHATYOFFERYOUFORTHEDEFENSEOFGURISLANDNATION", "ciphertext": "BDOODSWEATANDTEARSTHESEAREWHATYOFFERYOUFORTHEDEFENSEOFGURISLANDNATION", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019692", "text": "12.23.3 3.16.4 15.50.10 16.15.10 19.45.12 16.40.1 3.44.9 17.22.7 14.33.13 9.8.10 11.41.2 12.15.5 6.44.5 16.46.5 13.36.12 2.18.4 19.49.13 10.50.10 16.22.6 11.20.7 19.41.11 4.15.1 4.20.3 13.32.5 9.44.3 2.7.12 5.35.14 3.49.5 3.49.10 7.8.7 10.15.6 9.26.7 6.12.4 19.3.3 4.39.15 6.44.4 15.23.4 11.23.12 11.45.14 11.5.1 4.26.8 10.10.3 5.1.15 3.4.6 18.30.2 10.8.8 12.46.5 16.48.10 3.6.1 20.26.10 16.24.1 6.16.11 20.17.4 16.22.2 13.29.4 8.1.4 3.30.4 15.27.6 20.12.6 9.13.5 6.22.12 4.5.2 17.37.8 12.42.2 15.16.15 14.2.3 19.36.1 4.11.1 11.34.5 6.30.8 11.29.4 4.50.8 9.15.3 18.37.3 18.21.15 6.28.13 17.40.12 4.7.6 6.30.14 15.49.15 19.30.9 8.46.11 2.41.5 8.27.2 1.14.12 15.39.10 9.26.1 5.27.4 11.31.5 17.6.5 11.34.14 10.21.15 15.8.10 16.49.9 2.7.5 10.18.2 2.18.3 1.50.5 18.14.8 12.8.7 13.44.10 5.22.3 15.35.15 12.31.5 8.7.4 12.50.9 7.15.8 18.47.5 18.26.7 2.20.9 15.31.13 16.24.10 15.29.4 15.1.7 5.18.14 6.25.6 10.7.5 20.24.12 1.48.12 20.25.5 9.7.2 4.8.2 19.25.14 4.11.9 5.10.1 8.35.5 11.50.7 4.16.15 7.40.9 20.13.8 1.19.12 3.7.9 10.25.7 19.7.4 17.5.2 5.41.9 2.40.6 9.43.15 4.24.10 7.20.5 2.34.8 11.1.8 7.9.14 5.18.9 6.3.2 2.9.2 1.33.4 8.49.6 14.27.1 9.15.8 16.31.1 6.4.1 15.17.6 4.49.8 17.28.5 17.4.7 14.43.6 19.15.5 8.47.4 15.41.4 15.28.13 19.16.2 9.46.1 13.42.9 8.1.8 11.27.10 17.41.12 3.31.15 6.21.3", "ciphertext": "12.23.3 3.16.4 15.50.10 16.15.10 19.45.12 16.40.1 3.44.9 17.22.7 14.33.13 9.8.10 11.41.2 12.15.5 6.44.5 16.46.5 13.36.12 2.18.4 19.49.13 10.50.10 16.22.6 11.20.7 19.41.11 4.15.1 4.20.3 13.32.5 9.44.3 2.7.12 5.35.14 3.49.5 3.49.10 7.8.7 10.15.6 9.26.7 6.12.4 19.3.3 4.39.15 6.44.4 15.23.4 11.23.12 11.45.14 11.5.1 4.26.8 10.10.3 5.1.15 3.4.6 18.30.2 10.8.8 12.46.5 16.48.10 3.6.1 20.26.10 16.24.1 6.16.11 20.17.4 16.22.2 13.29.4 8.1.4 3.30.4 15.27.6 20.12.6 9.13.5 6.22.12 4.5.2 17.37.8 12.42.2 15.16.15 14.2.3 19.36.1 4.11.1 11.34.5 6.30.8 11.29.4 4.50.8 9.15.3 18.37.3 18.21.15 6.28.13 17.40.12 4.7.6 6.30.14 15.49.15 19.30.9 8.46.11 2.41.5 8.27.2 1.14.12 15.39.10 9.26.1 5.27.4 11.31.5 17.6.5 11.34.14 10.21.15 15.8.10 16.49.9 2.7.5 10.18.2 2.18.3 1.50.5 18.14.8 12.8.7 13.44.10 5.22.3 15.35.15 12.31.5 8.7.4 12.50.9 7.15.8 18.47.5 18.26.7 2.20.9 15.31.13 16.24.10 15.29.4 15.1.7 5.18.14 6.25.6 10.7.5 20.24.12 1.48.12 20.25.5 9.7.2 4.8.2 19.25.14 4.11.9 5.10.1 8.35.5 11.50.7 4.16.15 7.40.9 20.13.8 1.19.12 3.7.9 10.25.7 19.7.4 17.5.2 5.41.9 2.40.6 9.43.15 4.24.10 7.20.5 2.34.8 11.1.8 7.9.14 5.18.9 6.3.2 2.9.2 1.33.4 8.49.6 14.27.1 9.15.8 16.31.1 6.4.1 15.17.6 4.49.8 17.28.5 17.4.7 14.43.6 19.15.5 8.47.4 15.41.4 15.28.13 19.16.2 9.46.1 13.42.9 8.1.8 11.27.10 17.41.12 3.31.15 6.21.3", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 169, "length": 169, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "red-type-a-v3-0080", "text": "NYFIFQIFCYROXEZWIGKIFAQPIFOHNUKAQSJUBEIBADQULBEZOBKIBSUJBOXXNOSOQHYUJQIBYDDDUMAUWR", "ciphertext": "NYFIFQIFCYROXEZWIGKIFAQPIFOHNUKAQSJUBEIBADQULBEZOBKIBSUJBOXXNOSOQHYUJQIBYDDDUMAUWR", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "SAKURA"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v3-0784", "text": "OPCNGFAFWDOEMULMEHYEHUCTOIXUUMUZGWGYQMTEHXIXQCDSLJWKLQGPXMTQQNTKQWNUUIALLLOBHT", "ciphertext": "OPCNGFAFWDOEMULMEHYEHUCTOIXUUMUZGWGYQMTEHXIXQCDSLJWKLQGPXMTQQNTKQWNUUIALLLOBHT", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-it-005", "text": "RO HVTIVGL V O ZMRNZ WR GFGGV OV TIZMWR RNKIVHV", "ciphertext": "RO HVTIVGL V O ZMRNZ WR GFGGV OV TIZMWR RNKIVHV", "plaintext": "IL SEGRETO E L ANIMA DI TUTTE LE GRANDI IMPRESE", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "it", "text_length": 38, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022142", "text": "TILMHUVOW FHVH Z WRTRG HVJFVMXV ZH GSV IVKVZGRMT PVB GSV NVHHZTV DZH SRWWVM YFG MLG HVXFIV XZIVUFOOB", "ciphertext": "TILMHUVOW FHVH Z WRTRG HVJFVMXV ZH GSV IVKVZGRMT PVB GSV NVHHZTV DZH SRWWVM YFG MLG HVXFIV XZIVUFOOB", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE MESSAGE WAS HIDDEN BUT NOT SECURE CAREFULLY", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 84, "length": 84, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0017669", "text": "854 861 803 854 859 825 858 860 858 825 843 839 999 806 824 845 823 813 852 854 999 838 801 845 999 813 800 807 821 999 835 813 857 857 813 852 999 858 842 999 800 999 809 826 817 816 812 852 814 839 857 999 835 812 859 857 813 851 999 858 823 813 999 801 853 806 821 826 857 812 808 859 862 851 814 999 855 823 842 860 834 811 999 836 801 831 814 999 837 826 855 861 855 813 999 823 801 853 809 813 851 999", "ciphertext": "854 861 803 854 859 825 858 860 858 825 843 839 999 806 824 845 823 813 852 854 999 838 801 845 999 813 800 807 821 999 835 813 857 857 813 852 999 858 842 999 800 999 809 826 817 816 812 852 814 839 857 999 835 812 859 857 813 851 999 858 823 813 999 801 853 806 821 826 857 812 808 859 862 851 814 999 855 823 842 860 834 811 999 836 801 831 814 999 837 826 855 861 855 813 999 823 801 853 809 813 851 999", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 87, "length": 87, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "trifid-v2-0045", "text": "VRPDV+LVAKLNLFWKCDWEWASBMPZUBNRHISHOXEFSSPXFQNWGWJKXPBQGBNVK", "ciphertext": "VRPDV+LVAKLNLFWKCDWEWASBMPZUBNRHISHOXEFSSPXFQNWGWJKXPBQGBNVK", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v3-0658", "text": "YVN SBYXCSNOC RYVNC", "ciphertext": "YVN SBYXCSNOC RYVNC", "plaintext": "OLD IRONSIDES HOLDS", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 10}, "difficulty": "beginner", "language": "en", "text_length": 17, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008816", "text": "PELC GBTE NCUL ERJN EQFC NGVR APRN AQPN ERSH YGUV AXVA T", "ciphertext": "PELC GBTE NCUL ERJN EQFC NGVR APRN AQPN ERSH YGUV AXVA T", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bifid-v2-0122", "text": "AWGWDCSCSDKDOCV", "ciphertext": "AWGWDCSCSDKDOCV", "plaintext": "CAVALRY ADVANCES", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v3-0288", "text": "HANGRCOFIUTSRCNUMIEEOARELCNNLGNINTAIADEDXSHLETETOLHSCUIXXNMOOELRHIRNNATXXHNTPIGUMENEASEX", "ciphertext": "HANGRCOFIUTSRCNUMIEEOARELCNNLGNINTAIADEDXSHLETETOLHSCUIXXNMOOELRHIRNNATXXHNTPIGUMENEASEX", "plaintext": "HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-182", "text": "JUBSSVSGVE", "ciphertext": "JUBSSVSGVE", "plaintext": "FLEE AT ONCE", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v2-0351", "text": "RLPEIICVTEWLXXVCEWSRILVJKQBRXKRNFYXVWKGPFPWFGOKDDTPMVPKXXBITVKHHTMDFAMNNM", "ciphertext": "RLPEIICVTEWLXXVCEWSRILVJKQBRXKRNFYXVWKGPFPWFGOKDDTPMVPKXXBITVKHHTMDFAMNNM", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-145", "text": "KAEDRPYAXBQGZEC", "ciphertext": "KAEDRPYAXBQGZEC", "plaintext": "SILENCE IS GOLDEN", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013917", "text": "K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌·", "ciphertext": "K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌·", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "great-cipher-079", "text": "107 175 137 112 118 161 180 177 181 158 104 174 182 115", "ciphertext": "107 175 137 112 118 161 180 177 181 158 104 174 182 115", "plaintext": "NO PRISONERS TAKEN", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0004798", "text": "GURS EVRQ ZNAG RFGH FRFG URVA QRKB SPBV APVQ RAPR GBRF GVZN GRXR LYRA TGUS ERDH RAPL NANY LFVF PNAE RIRN YJRN XPVC UREF FHOF GVGH GVBA PVCU REFZ NCRN PUYR GGRE GBNQ VSSR ERAG YRGG RE", "ciphertext": "GURS EVRQ ZNAG RFGH FRFG URVA QRKB SPBV APVQ RAPR GBRF GVZN GRXR LYRA TGUS ERDH RAPL NANY LFVF PNAE RIRN YJRN XPVC UREF FHOF GVGH GVBA PVCU REFZ NCRN PUYR GGRE GBNQ VSSR ERAG YRGG RE", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 146, "length": 146, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "trithemius-v2-0091", "text": "TIG VIHXLB USPE OIGYVV UYIAXRG TIG WLNXK NUKREGCCU FX MBZ KIB BHVTFL HUBZCILDQ OI TROG NJILPQOX", "ciphertext": "TIG VIHXLB USPE OIGYVV UYIAXRG TIG WLNXK NUKREGCCU FX MBZ KIB BHVTFL HUBZCILDQ OI TROG NJILPQOX", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 80, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v2-0366", "text": "5563 4614 4154 5563 5060 4998 5563 4614 4427 4489 4680 5397 5488 5563 4361 4154 5963 5060 4489 4743 4154 4998 5645 4154 5397 5963 4680 4998 5563 4614 4427 5963 4427 4154 5397 5060 4489 5060 5645 5397 4871 5060 5397 4361 5060 4998 4427 5563 4614 5060 5645 5488 4154 4998 4361 4427 4680 4550 4614 5563 4614 5645 4998 4361 5397 4427 4361 4154 4998 4361 5488 4680 5890 5563 5963 5563 4614 5397 4427 4427 4154 4871 4871 5166 4427 5397 5488 5060 4998 5488 4614 4427 4871 4361 4154 5488 5488 4871 4154 5741 4427 5488 5814 4680 5563 4614 4680 4998 4154 4998 5963 5488 5563 4154 5563 4427 4680 4998 5397 4427 4216 4427 4871 4871 4680 5060 4998 4154 4550 4154 4680 4998 5488 5563 5563 4614 4427 5645 4998 4680 5563 4427 4361 5488 5563 4154 5563 4427 5488 5488 4614 4154 4871 4871 4216 4427 4489 5397 4427 4427", "ciphertext": "5563 4614 4154 5563 5060 4998 5563 4614 4427 4489 4680 5397 5488 5563 4361 4154 5963 5060 4489 4743 4154 4998 5645 4154 5397 5963 4680 4998 5563 4614 4427 5963 4427 4154 5397 5060 4489 5060 5645 5397 4871 5060 5397 4361 5060 4998 4427 5563 4614 5060 5645 5488 4154 4998 4361 4427 4680 4550 4614 5563 4614 5645 4998 4361 5397 4427 4361 4154 4998 4361 5488 4680 5890 5563 5963 5563 4614 5397 4427 4427 4154 4871 4871 5166 4427 5397 5488 5060 4998 5488 4614 4427 4871 4361 4154 5488 5488 4871 4154 5741 4427 5488 5814 4680 5563 4614 4680 4998 4154 4998 5963 5488 5563 4154 5563 4427 4680 4998 5397 4427 4216 4427 4871 4871 4680 5060 4998 4154 4550 4154 4680 4998 5488 5563 5563 4614 4427 5645 4998 4680 5563 4427 4361 5488 5563 4154 5563 4427 5488 5488 4614 4154 4871 4871 4216 4427 4489 5397 4427 4427", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "14142"}, "difficulty": "expert", "language": "en", "text_length": 640, "length": 799, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0570", "text": "FHRHAQHAQRLOPBYOLGEHIHAQEKBKKBYPBVRLDYKFJLYHGVLKAQRLHELXGLAHKSPBHKFQPOHYEKBYK", "ciphertext": "FHRHAQHAQRLOPBYOLGEHIHAQEKBKKBYPBVRLDYKFJLYHGVLKAQRLHELXGLAHKSPBHKFQPOHYEKBYK", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-034", "text": "K6 U7 T3 W2 M5 O0 D5 V6 F9 S5 M5 N5 K7 Q2 O0 K6 R6 N8 H1 W3 R5 M7 Z8 H1 O5 Z6 T8 T3 A0 W5 K8 C2 A0 Q2 Q4 C9 I3 P3 O4", "ciphertext": "K6 U7 T3 W2 M5 O0 D5 V6 F9 S5 M5 N5 K7 Q2 O0 K6 R6 N8 H1 W3 R5 M7 Z8 H1 O5 Z6 T8 T3 A0 W5 K8 C2 A0 Q2 Q4 C9 I3 P3 O4", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COPIALE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 116, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "typex-v3-0280", "text": "AAHGVBWLVWBJGKKYGQWHGHENRWJNBYJQHJSQHCELKPQUEISYSVFZPUKJNPZIICYNMGVKO", "ciphertext": "AAHGVBWLVWBJGKKYGQWHGHENRWJNBYJQHJSQHCELKPQUEISYSVFZPUKJNPZIICYNMGVKO", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rot13-028", "text": "RINPHNGR GUR ONFR", "ciphertext": "RINPHNGR GUR ONFR", "plaintext": "EVACUATE THE BASE", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0007431", "text": "ODHT FAIO WHSW HESS ELON SXXS LXXX THER EMEE BHTE ST", "ciphertext": "ODHT FAIO WHSW HESS ELON SXXS LXXX THER EMEE BHTE ST", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "SIGNAL"}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0017221", "text": "0314 06285 00637 00393 5983 02540 1650 04450 00964 04712 1343 1661 05972 00672 7930 05743 01580 6997 01578 05667 6046 02913 4408 2241 06316 02540 1573 00384 3821 05100 2528 0347 0726 1619 06324 05093 1649 1609 5751 5748 1578 6972 02846 1593 7320 0360 4444 1271 05689 1603 05119 5672 04740 01256 06671 00991 02907 0668 02827 03838 2893 6322 07929 04181 0328 06296 6352 1619 5723 02918 4413 05668 01654 06058 1634 0359 5717 1006 02538 2877 4446 1333 1653 7615 04735 1977 0992 4715 02888 04412 1021 02860 01297 1629 4450 01036 01613 4151 1642 0400 06013 06647 5702 1601 05983 03864 01612 6379 06325 1578 5729 1979 5665 1617 05347 6625 1606 4404 0963 7917 01324 02868 05967 6356 5692 2908 0664 6642 6303 02846 4728 4445", "ciphertext": "0314 06285 00637 00393 5983 02540 1650 04450 00964 04712 1343 1661 05972 00672 7930 05743 01580 6997 01578 05667 6046 02913 4408 2241 06316 02540 1573 00384 3821 05100 2528 0347 0726 1619 06324 05093 1649 1609 5751 5748 1578 6972 02846 1593 7320 0360 4444 1271 05689 1603 05119 5672 04740 01256 06671 00991 02907 0668 02827 03838 2893 6322 07929 04181 0328 06296 6352 1619 5723 02918 4413 05668 01654 06058 1634 0359 5717 1006 02538 2877 4446 1333 1653 7615 04735 1977 0992 4715 02888 04412 1021 02860 01297 1629 4450 01036 01613 4151 1642 0400 06013 06647 5702 1601 05983 03864 01612 6379 06325 1578 5729 1979 5665 1617 05347 6625 1606 4404 0963 7917 01324 02868 05967 6356 5692 2908 0664 6642 6303 02846 4728 4445", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 132, "length": 132, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0014511", "text": "BEAK HANO DAIH SHUS HDIB EHYA ZZIE DZEH THAN ZIEG AHWO LLAC HEET SAHD IBEH CLAG IAIH AKHA DIBE HTKI NTHA NZIE TKIN AKHA TSAH WOLL ACHE ECLA GIAI HCLA GIAI HDIB EHYA ZZIE TKIN DZEH DIBE HMOA SIAK HADI BEHY AZZI ENOD AIHN AAST SOSI TSAH WOLL ACHE EGAH DZEH TSAH MOAS IGAH TSAH ASZI HCLA GIAI H", "ciphertext": "BEAK HANO DAIH SHUS HDIB EHYA ZZIE DZEH THAN ZIEG AHWO LLAC HEET SAHD IBEH CLAG IAIH AKHA DIBE HTKI NTHA NZIE TKIN AKHA TSAH WOLL ACHE ECLA GIAI HCLA GIAI HDIB EHYA ZZIE TKIN DZEH DIBE HMOA SIAK HADI BEHY AZZI ENOD AIHN AAST SOSI TSAH WOLL ACHE EGAH DZEH TSAH MOAS IGAH TSAH ASZI HCLA GIAI H", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 233, "length": 233, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "geez-monastic-v3-0139", "text": "IJTZCCHTYZHHA", "ciphertext": "IJTZCCHTYZHHA", "plaintext": "THE APPLE FALLS", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017809", "text": "AAAAA ABABA AAAAA ABBAA BAABA BAABB BAAAA ABAAA ABBAA AABBA AAAAB BAAAA ABBAB ABAAB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA BABAA ABAAA BAABA AABBB AAABA BAAAA ABAAA AAAAB BAAAB AAAAA ABBAA AAABB BAABA AABBB AABAA AAAAB ABBAB ABABB AAAAB AABAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA", "ciphertext": "AAAAA ABABA AAAAA ABBAA BAABA BAABB BAAAA ABAAA ABBAA AABBA AAAAB BAAAA ABBAB ABAAB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA BABAA ABAAA BAABA AABBB AAABA BAAAA ABAAA AAAAB BAAAB AAAAA ABBAA AAABB BAABA AABBB AABAA AAAAB ABBAB ABABB AAAAB AABAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 240, "length": 240, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0015190", "text": "03512 1581 5675 00962 03458 2599 04785 01895 1975 5997 5077 05708 2894 04424 0944 2883 5079 03804 1659 05980 0336 07929 6056 06371 2534 01627 06028 07933 06056 06285 01618 04135 04116 6659 5976 6305 0682 1648 06005 01628 0975 06605 5744 1619 01629 6911 01618 4469 2887 1935 1633 04460 01577 04093 7909 3503 4453 04790 07307 6024 00395 03854 02269 4737 5662 02905 06328 2550 4126 5042 04775 03841 07938 0391 3772 05044 2558 0378 00645 01642 06301 02836 1003 0977 2830 05036 2584 01610 05718 5989 06684 5969 01617 4094 06677 03832 06344 02842 5115 03858 01604 00412 03848 05092 02544 00406 0657 01626 6355 06041 2514 2919 01977 06318 05991", "ciphertext": "03512 1581 5675 00962 03458 2599 04785 01895 1975 5997 5077 05708 2894 04424 0944 2883 5079 03804 1659 05980 0336 07929 6056 06371 2534 01627 06028 07933 06056 06285 01618 04135 04116 6659 5976 6305 0682 1648 06005 01628 0975 06605 5744 1619 01629 6911 01618 4469 2887 1935 1633 04460 01577 04093 7909 3503 4453 04790 07307 6024 00395 03854 02269 4737 5662 02905 06328 2550 4126 5042 04775 03841 07938 0391 3772 05044 2558 0378 00645 01642 06301 02836 1003 0977 2830 05036 2584 01610 05718 5989 06684 5969 01617 4094 06677 03832 06344 02842 5115 03858 01604 00412 03848 05092 02544 00406 0657 01626 6355 06041 2514 2919 01977 06318 05991", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 115, "length": 115, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "cda-0002292", "text": "RSEUOAXBTINTAUEXPLXAGTRAANDSRNCSISTPUOESETESCIRXNAIPYNSSAARTXUMXRYNTEYMITYXISDEXRDYEXOSAONTCBESX", "ciphertext": "RSEUOAXBTINTAUEXPLXAGTRAANDSRNCSISTPUOESETESCIRXNAIPYNSSAARTXUMXRYNTEYMITYXISDEXRDYEXOSAONTCBESX", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "kryha-v2-0274", "text": "SJSIEADPYYQDXZOE", "ciphertext": "SJSIEADPYYQDXZOE", "plaintext": "DIVIDE AND CONQUER", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0275", "text": "VVANYRTKYXZJXAEKVF", "ciphertext": "VVANYRTKYXZJXAEKVF", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0333", "text": "USVMXUDEJZLNUROEGIMCRQTHLKKYXRHQUOLMKOERGCVBJVQWQUUSXNBMNCUOSXYNVTNBLOJWMBTFYLKHX", "ciphertext": "USVMXUDEJZLNUROEGIMCRQTHLKKYXRHQUOLMKOERGCVBJVQWQUUSXNBMNCUOSXYNVTNBLOJWMBTFYLKHX", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-204", "text": "MMJLLSSPRY", "ciphertext": "MMJLLSSPRY", "plaintext": "TRUST NO ONE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "autokey-v3-0383", "text": "SVAXRBENAPASNHPHXMELAPYHNNEFIGHLGAYATQHYVVUEFLFHYQPWZTALDWDFXAWXYTUIBJXNMOW", "ciphertext": "SVAXRBENAPASNHPHXMELAPYHNNEFIGHLGAYATQHYVVUEFLFHYQPWZTALDWDFXAWXYTUIBJXNMOW", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0037", "text": "QMETQCCRQKHQXLQMRGHZTMIHMQ", "ciphertext": "QMETQCCRQKHQXLQMRGHZTMIHMQ", "plaintext": "SICUT PATRIBUS SIT DEUS NOBIS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0135", "text": "60 08 01 18 02 15 18 09 19 03 12 05 01 18", "ciphertext": "60 08 01 18 02 15 18 09 19 03 12 05 01 18", "plaintext": "THE HARBOR IS CLEAR", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0139", "text": "UWXR WIL OCSYUL", "ciphertext": "UWXR WIL OCSYUL", "plaintext": "STAY THE COURSE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-048", "text": "RU BLF PMLD YLGS BLFIHVOU ZMW BLFI VMVNB BLF MVVW MLG UVZI GSV IVHFOG", "ciphertext": "RU BLF PMLD YLGS BLFIHVOU ZMW BLFI VMVNB BLF MVVW MLG UVZI GSV IVHFOG", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 56, "length": 69, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v2-0284", "text": "AMMZVVZLUVWJZ", "ciphertext": "AMMZVVZLUVWJZ", "plaintext": "E PLURIBUS UNUM", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0264", "text": "HAUGPDQQMSFKVNTXUWEHEQHEJWWUCERZBGUEWKVVUEYWTHOTXAEOUFQTIUKPXUZSEBZWLSQDYRZLIL", "ciphertext": "HAUGPDQQMSFKVNTXUWEHEQHEJWWUCERZBGUEWKVVUEYWTHOTXAEOUFQTIUKPXUZSEBZWLSQDYRZLIL", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0623", "text": "RQNVABGWXDMFWSOQYUWZQUWUBVPVXCXWTYGAMXNOUJJYKMUCMZJHVHZNQBWUBVYZKQXVXIIRYECBSMMFIJQPOVUBVZZZOMJZJKGIINIKJMRTYAROFUBZYXITOWSUKZCMUSYOUCYDVVODMCXKIKGCWSPZIZJWSDECEMVUGBADUEIJLGLJFUBOIO", "ciphertext": "RQNVABGWXDMFWSOQYUWZQUWUBVPVXCXWTYGAMXNOUJJYKMUCMZJHVHZNQBWUBVYZKQXVXIIRYECBSMMFIJQPOVUBVZZZOMJZJKGIINIKJMRTYAROFUBZYXITOWSUKZCMUSYOUCYDVVODMCXKIKGCWSPZIZJWSDECEMVUGBADUEIJLGLJFUBOIO", "plaintext": "WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 182, "length": 182, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0151", "text": "FTFSLTRUTEUKFVARSLIIYLNHKMWIADCADTELTLSFKCIAJLKFKPMSSASSFMKMBLBMRTUKAJUSTOAFKWLKTMBLWFBA", "ciphertext": "FTFSLTRUTEUKFVARSLIIYLNHKMWIADCADTELTLSFKCIAJLKFKPMSSASSFMKMBLBMRTUKAJUSTOAFKWLKTMBLWFBA", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0054", "text": "VHNTOZXIOWLNQAYPCOSYEGDOVHRPQIGMAUUKEVXKVUIHICZOHFCYMVCKSWVHAMKWCZIP", "ciphertext": "VHNTOZXIOWLNQAYPCOSYEGDOVHRPQIGMAUUKEVXKVUIHICZOHFCYMVCKSWVHAMKWCZIP", "plaintext": "THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "BLETCHLEY"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-029", "text": ".-.. --- -.-. -.- / -.. --- .-- -. / .- .-.. .-.. / --. .- - . ...", "ciphertext": ".-.. --- -.-. -.- / -.. --- .-- -. / .- .-.. .-.. / --. .- - . ...", "plaintext": "LOCK DOWN ALL GATES", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 48, "length": 66, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0008878", "text": "MNTEMTEGDOVLWOAFHZWSQZRBXYWIYVAHFEEUYIFHFFEMWWUMNXWWSQYEIQQXFQVBSLAFKWELBCLMNXZAKCNXVKFCWWWMALSQWSGAVEISMFVUILMTSEIDMSITWGGDWZGKJZWYSPDLQVXAVHREBSG", "ciphertext": "MNTEMTEGDOVLWOAFHZWSQZRBXYWIYVAHFEEUYIFHFFEMWWUMNXWWSQYEIQQXFQVBSLAFKWELBCLMNXZAKCNXVKFCWWWMALSQWSGAVEISMFVUILMTSEIDMSITWGGDWZGKJZWYSPDLQVXAVHREBSG", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "autokey", "cipher": "autokey", "key": {"primer": "MUSEUM"}, "difficulty": "hard", "language": "en", "text_length": 147, "length": 147, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0015675", "text": "WONL VTMN IRBD XFOV IOKW KSMP UNLG YACP WYLV SFQT THNF AAIZ BSJF WEUO UXMR HLKA XJZU MGNT IFME KIJM VRPN JYOM ML", "ciphertext": "WONL VTMN IRBD XFOV IOKW KSMP UNLG YACP WYLV SFQT THNF AAIZ BSJF WEUO UXMR HLKA XJZU MGNT IFME KIJM VRPN JYOM ML", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v2-0229", "text": "YPFE5SYZ2BH7C7L2QATXQ6MCKFCUF2SQAV4G3CMD4YYKGADTVIIXEZAKDFTXAH2YAPJDWJFEKK4QWGPR", "ciphertext": "YPFE5SYZ2BH7C7L2QATXQ6MCKFCUF2SQAV4G3CMD4YYKGADTVIIXEZAKDFTXAH2YAPJDWJFEKK4QWGPR", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0743", "text": "BMPDDFGVTHIAMJZJVGXMROSDYSAOBJOJFCJTJXGKUFNYKRITSKBWKAVTNITFALTOPGXWYNXGGMVRSUMNKZXUPJPGKNZVQBLIQZRGJTSFHNFUPZGKJTNYKXTCCZPZIKNWWXVJHXGMUUYMSVIKOPTOFBLVGGZGKVZCEZCMHSWMX", "ciphertext": "BMPDDFGVTHIAMJZJVGXMROSDYSAOBJOJFCJTJXGKUFNYKRITSKBWKAVTNITFALTOPGXWYNXGGMVRSUMNKZXUPJPGKNZVQBLIQZRGJTSFHNFUPZGKJTNYKXTCCZPZIKNWWXVJHXGMUUYMSVIKOPTOFBLVGGZGKVZCEZCMHSWMX", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-v3-0039", "text": "00000 99999 90004 90023 90015 90004 90017 90008 90012 90004 90013 90019 99998 99999 90002 90014 90013 90005 90008 90017 90012 90018 99998", "ciphertext": "00000 99999 90004 90023 90015 90004 90017 90008 90012 90004 90013 90019 99998 99999 90002 90014 90013 90005 90008 90017 90012 90018 99998", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 115, "length": 137, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013070", "text": "turns hence enemy flank route input eight drive march among notes takes enter swift troop until shore extra swift three heavy early inner north draft", "ciphertext": "turns hence enemy flank route input eight drive march among notes takes enter swift troop until shore extra swift three heavy early inner north draft", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "cda-0009883", "text": "GDITEIIIOUOOXNRTOCNOPTLSDAALLHIXETLSAEMX", "ciphertext": "GDITEIIIOUOOXNRTOCNOPTLSDAALLHIXETLSAEMX", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "scytale", "cipher": "scytale", "key": {"cols": 5}, "difficulty": "medium", "language": "en", "text_length": 40, "length": 40, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0021760", "text": "depth incur front force issue enter array needs depot holds enemy light lower mixed along night inner notes turns range often depth under carry exact", "ciphertext": "depth incur front force issue enter array needs depot holds enemy light lower mixed along night inner notes turns range often depth under carry exact", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "tap-code-v3-0004", "text": ".... ...   ... ....   .... .....   ... ...   . ....   .... ....   .. ...   . .....   .... ....   .... ..   .... .....   ... ..   ... .....   . .....   .... ....   .... ...", "ciphertext": ".... ...   ... ....   .... .....   ... ...   . ....   .... ....   .. ...   . .....   .... ....   .... ..   .... .....   ... ..   ... .....   . .....   .... ....   .... ...", "plaintext": "SOUND THE TRUMPETS", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 110, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0101", "text": "ELESWNECNZRUNTNANLESUTBIALSDLDTSZTRRCMTCULEWSUZUDHMUARIENTHDELSHDHBERETSUTEZE", "ciphertext": "ELESWNECNZRUNTNANLESUTBIALSDLDTSZTRRCMTCULEWSUZUDHMUARIENTHDELSHDHBERETSUTEZE", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0067", "text": "AXXGGXDGGXADGXGGDGFFXXDXXFDAFFFGGGDXAGAGFAFGGFDAFAGAAAGGDDXDGDXDDDDFDAGFXDAGDFFDAADAAFDAGADFGAAGDADAFADFDDAADAAFDADDGAXGFAADAGXGGGDXXXXXGXDXDDXDXGXGFX", "ciphertext": "AXXGGXDGGXADGXGGDGFFXXDXXFDAFFFGGGDXAGAGFAFGGFDAFAGAAAGGDDXDGDXDDDDFDAGFXDAGDFFDAADAAFDAGADFGAAGDADAFADFDDAADAAFDADDGAXGFAADAGXGGGDXXXXXGXDXDDXDXGXGFX", "plaintext": "IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016797", "text": "06310 07230 04803 6035 5367 06685 0398 5669 01612 0994 02892 05037 02516 01600 05727 01574 4404 1017 05729 7895 5076 6360 06045 1341 2906 02234 05663 00330 05111 02565 6019 07296 2907 6369 2583 6343 7231 4779 05026 4795 3769 07878 00710 02907 6658 5977 00406 03827 5046 2602 00355 0708 01592 06350 6021 00388 6345 5707 0408 4476 06032 05066 00377 05656 01645 4439 6362 06291 04742 4801 03865 6037 2575 4790 6596 03826 1263 6020 2527 04712 07291 02885 06314 05996 05674 1590 0352 06033 4720 04398 2873 4462 2255", "ciphertext": "06310 07230 04803 6035 5367 06685 0398 5669 01612 0994 02892 05037 02516 01600 05727 01574 4404 1017 05729 7895 5076 6360 06045 1341 2906 02234 05663 00330 05111 02565 6019 07296 2907 6369 2583 6343 7231 4779 05026 4795 3769 07878 00710 02907 6658 5977 00406 03827 5046 2602 00355 0708 01592 06350 6021 00388 6345 5707 0408 4476 06032 05066 00377 05656 01645 4439 6362 06291 04742 4801 03865 6037 2575 4790 6596 03826 1263 6020 2527 04712 07291 02885 06314 05996 05674 1590 0352 06033 4720 04398 2873 4462 2255", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "hill-v3-0464", "text": "WEYZOSMCJWMUTIIKMYSIHUSELPDJRPAMWPPGPVLPHJRCUSCELMPHPGESEFYWGYALQKRTDFGYBMWPCEXZLIEMSIEL", "ciphertext": "WEYZOSMCJWMUTIIKMYSIHUSELPDJRPAMWPPGPVLPHJRCUSCELMPHPGESEFYWGYALQKRTDFGYBMWPCEXZLIEMSIEL", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012060", "text": "859 868 843 999 855 850 860 801 853 814 999 808 826 845 823 814 852 999 814 841 807 852 873 846 859 854 999 810 824 818 853 800 845 822 855 999 866 825 857 823 999 859 866 843 999 845 843 834 873 804 824 860 854 999 801 835 846 823 802 805 812 858 855 999 857 821 812 999 801 851 807 821 826 857 814 808 857 861 851 812 999 855 823 842 862 834 810 999 836 800 832 814 999 837 824 854 860 854 813 999 823 802 852 810 812 852 999 810 842 862 803 834 812 999 858 851 801 841 855 847 844 855 825 859 825 843 839 999 800 845 846 833 825 814 856 999 807 843 834 860 837 840 800 852 999 812 841 807 851 873 847 859 825 844 841 999 857 866 824 806 812 999 859 823 814 999 815 853 824 814 810 838 800 840 999 858 812 856 857 999 862 855 814 856 999 857 822 814 999 824 839 810 813 869 999 844 817 999 806 844 826 840 806 824 811 813 840 806 814 999 859 843 999 813 854 859 825 837 802 859 814 999 830 812 872 999 834 814 839 820 859 823 999", "ciphertext": "859 868 843 999 855 850 860 801 853 814 999 808 826 845 823 814 852 999 814 841 807 852 873 846 859 854 999 810 824 818 853 800 845 822 855 999 866 825 857 823 999 859 866 843 999 845 843 834 873 804 824 860 854 999 801 835 846 823 802 805 812 858 855 999 857 821 812 999 801 851 807 821 826 857 814 808 857 861 851 812 999 855 823 842 862 834 810 999 836 800 832 814 999 837 824 854 860 854 813 999 823 802 852 810 812 852 999 810 842 862 803 834 812 999 858 851 801 841 855 847 844 855 825 859 825 843 839 999 800 845 846 833 825 814 856 999 807 843 834 860 837 840 800 852 999 812 841 807 851 873 847 859 825 844 841 999 857 866 824 806 812 999 859 823 814 999 815 853 824 814 810 838 800 840 999 858 812 856 857 999 862 855 814 856 999 857 822 814 999 824 839 810 813 869 999 844 817 999 806 844 826 840 806 824 811 813 840 806 814 999 859 843 999 813 854 859 825 837 802 859 814 999 830 812 872 999 834 814 839 820 859 823 999", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 200, "length": 200, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0019261", "text": "⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w34⟩ ⟨a29⟩ ⟨w40⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩", "ciphertext": "⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w34⟩ ⟨a29⟩ ⟨w40⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "vigenere-v3-1085", "text": "ZHRODWCJSIAFNBJMCEAJ", "ciphertext": "ZHRODWCJSIAFNBJMCEAJ", "plaintext": "STEAM POWER TRANSFORMS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HONOR"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018319", "text": "YMNX MTUI VWYR HYWS UGBI OJJC NKDN DZPN RKBP GAJZ T", "ciphertext": "YMNX MTUI VWYR HYWS UGBI OJJC NKDN DZPN RKBP GAJZ T", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "fialka-v2-0428", "text": "UXGVPMFOKUIXJWGUQPHBXLXCXXQMVTQDKUDPPSEOMZBRLDZGBCFPGDHTENYJNWRDJPBGYVVGCE", "ciphertext": "UXGVPMFOKUIXJWGUQPHBXLXCXXQMVTQDKUDPPSEOMZBRLDZGBCFPGDHTENYJNWRDJPBGYVVGCE", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "SPUTNIK"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v3-0273", "text": "8118282137878184300867871879338753818992201808536804689588834789846187871873533879139338756911958084787831878339334658418783", "ciphertext": "8118282137878184300867871879338753818992201808536804689588834789846187871873533879139338756911958084787831878339334658418783", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 124, "length": 124, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009460", "text": "TEETITRDCMRCIABOSYLFAEAIREEGERNHECWXZRVEBTSETPTITHHESETIPINATRERACIIGPERLEAADARIOEBTRRRIOWEPNTIILPEAAEADTICSHEENSPTEHHNYUNRTZSHF", "ciphertext": "TEETITRDCMRCIABOSYLFAEAIREEGERNHECWXZRVEBTSETPTITHHESETIPINATRERACIIGPERLEAADARIOEBTRRRIOWEPNTIILPEAAEADTICSHEENSPTEHHNYUNRTZSHF", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 128, "length": 128, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "kl7-138", "text": "HIUCNCPYIJCTLPGJ", "ciphertext": "HIUCNCPYIJCTLPGJ", "plaintext": "BURN AFTER READING", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v3-0172", "text": "LFUFQHAVBKOADPWAFXRFXFAPLDXRKSLPAIUBRTABLBPVXFAPMAAOUTPAURHFXABBRBMKHFXTQXBRLFPPC", "ciphertext": "LFUFQHAVBKOADPWAFXRFXFAPLDXRKSLPAIUBRTABLBPVXFAPMAAOUTPAURHFXABBRBMKHFXTQXBRLFPPC", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0582", "text": "SRJESUZXYMWQZYNJLWPBYAMLXZMYFZLEHOEMJRYLGGSRTLPMYTFARBKUYDNACAAERNBRKZMRLBDSZ", "ciphertext": "SRJESUZXYMWQZYNJLWPBYAMLXZMYFZLEHOEMJRYLGGSRTLPMYTFARBKUYDNACAAERNBRKZMRLBDSZ", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-152", "text": "ARERXLZWQDDVXVHCUEPCLCIHAODAMBGDPXYEBLECSIOWB", "ciphertext": "ARERXLZWQDDVXVHCUEPCLCIHAODAMBGDPXYEBLECSIOWB", "plaintext": "NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 13}, "difficulty": "expert", "language": "en", "text_length": 45, "length": 45, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0059", "text": "SCPTWBDAHHQJKQCSTETCSPTCVPTWNJAHHSCKQCBDHTCQJJDNJSRKOBBJSPNJCQJDNHTDATPN", "ciphertext": "SCPTWBDAHHQJKQCSTETCSPTCVPTWNJAHHSCKQCBDHTCQJJDNJSRKOBBJSPNJCQJDNHTDATPN", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 17}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0117", "text": "YPFGRBLAMJWDHJ2GVJSX3", "ciphertext": "YPFGRBLAMJWDHJ2GVJSX3", "plaintext": "THE CASTLE IS SURROUNDED", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0098", "text": "TEQTACKLXWKWBDQLTZNZKNSWHXOLIPEIZRUNQXWUSXIOYLORHLULMKZMNJMIOJKTZLXQUQAKSWALZL", "ciphertext": "TEQTACKLXWKWBDQLTZNZKNSWHXOLIPEIZRUNQXWUSXIOYLORHLULMKZMNJMIOJKTZLXQUQAKSWALZL", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017182", "text": "MA-E   /   GAH   /   TKIN   /   DZEH   /   BE   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   TSAH   /   DZEH   /   DIBEH   /   THAN-ZIE   /   TKIN   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   THAN-ZIE   /   DZEH   /   BE   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   DIBEH-YAZZIE   /   DZEH   /   TSAH   /   AH-JAH   /   THAN-ZIE   /   LIN   /   MA-E   /   GAH   /   A-KHA   /   NA-AS-TSO-SI   /   DIBEH   /   THAN-ZIE   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   DIBEH   /   THAN-ZIE   /   TKIN   /   MOASI   /   DIBEH", "ciphertext": "MA-E   /   GAH   /   TKIN   /   DZEH   /   BE   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   TSAH   /   DZEH   /   DIBEH   /   THAN-ZIE   /   TKIN   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   THAN-ZIE   /   DZEH   /   BE   /   KLIZZIE   /   DZEH   /   TSAH-AS-ZIH   /   DIBEH-YAZZIE   /   DZEH   /   TSAH   /   AH-JAH   /   THAN-ZIE   /   LIN   /   MA-E   /   GAH   /   A-KHA   /   NA-AS-TSO-SI   /   DIBEH   /   THAN-ZIE   /   WOL-LA-CHEE   /   THAN-ZIE   /   TKIN   /   DIBEH   /   THAN-ZIE   /   TKIN   /   MOASI   /   DIBEH", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 220, "length": 220, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "cda-0015694", "text": "CHOL DAII NCHE DALO KEDY QOKA LCHE DYDA LCHO LYPC HOLR CHEO LCHE DYCT AIIN CHEO LYTE DYYP CHOL CHEO LAII INSH AIIN OKSH YSHE DYOR ORSH OROT AIIN SHEO LQOK EEDY QOKA LYTE DYYT EDYK AIII NYTA IINC HORO TEDY YTAI INYT EDYS HEDY SHED YSHA LRCH EOLD AINY SHEE DYSH ARAL CHED ALOK EEDY OTOL SHOR YKCH EOL", "ciphertext": "CHOL DAII NCHE DALO KEDY QOKA LCHE DYDA LCHO LYPC HOLR CHEO LCHE DYCT AIIN CHEO LYTE DYYP CHOL CHEO LAII INSH AIIN OKSH YSHE DYOR ORSH OROT AIIN SHEO LQOK EEDY QOKA LYTE DYYT EDYK AIII NYTA IINC HORO TEDY YTAI INYT EDYS HEDY SHED YSHA LRCH EOLD AINY SHEE DYSH ARAL CHED ALOK EEDY OTOL SHOR YKCH EOL", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 239, "length": 239, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0009641", "text": "MPFH VSKU KAIA FVCC YJFH NWNL IDNC AOIY ZLZO BPCH SCSP", "ciphertext": "MPFH VSKU KAIA FVCC YJFH NWNL IDNC AOIY ZLZO BPCH SCSP", "plaintext": "MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 44, "length": 44, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "four-square-v3-0261", "text": "THIRSSTTSUODRMMCPFEQODUZOBTGGEFBRRBQODMCRNODIGUQCSKCIIRMMERROPPSDGMUTSDGUCQKFP", "ciphertext": "THIRSSTTSUODRMMCPFEQODUZOBTGGEFBRRBQODMCRNODIGUQCSKCIIRMMERROPPSDGMUTSDGUCQKFP", "plaintext": "BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0360", "text": "YDSOXQANUYIRZUOLMAYNQLSXJITGEROOKCEWJRFLJAFMUZLONFVNQKSGKVPTNUZIXQKQNCDFSYWCHJIUKNQHSQRTNHOYONKRMHHCGEWWXZAPVLECPSTQPVRCTFGJXIYLBOIOSVDDCXRZOJK", "ciphertext": "YDSOXQANUYIRZUOLMAYNQLSXJITGEROOKCEWJRFLJAFMUZLONFVNQKSGKVPTNUZIXQKQNCDFSYWCHJIUKNQHSQRTNHOYONKRMHHCGEWWXZAPVLECPSTQPVRCTFGJXIYLBOIOSVDDCXRZOJK", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0120", "text": "QHRASIGTFRIQTDKNJEDRFJALJFFSIYLTQYJIYOQHTQJANRKNJGSLYIPTQJIRKJYIQRYQHRNRWTLQDXJNTKKNJWYFTQRDXTFROOTPRORDRLQRGTQTIJQHRNKJYIQANRMSRIQDXQHRFROOTPROHTURFRTIYIPTIGNRARNQJKHXOYLTDLJILRKQO", "ciphertext": "QHRASIGTFRIQTDKNJEDRFJALJFFSIYLTQYJIYOQHTQJANRKNJGSLYIPTQJIRKJYIQRYQHRNRWTLQDXJNTKKNJWYFTQRDXTFROOTPRORDRLQRGTQTIJQHRNKJYIQANRMSRIQDXQHRFROOTPROHTURFRTIYIPTIGNRARNQJKHXOYLTDLJILRKQO", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 181, "length": 181, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-010", "text": "CUTLYIPJHOOPKFMVZRWUI", "ciphertext": "CUTLYIPJHOOPKFMVZRWUI", "plaintext": "THE PACKAGE IS DELIVERED", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "TYPEX"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002693", "text": "QOU SWZOJQUZQYWU VOXYPL RSDU RJVYVU OSWLUW XAVUWISAPU UIJLUFZU ZXRUV AUKXWU ZXFKJLUFZU ZWGEQXNWSEOG WUMSWLV ESQJUFZU SFL ZSWUKYP QOJFDJFN", "ciphertext": "QOU SWZOJQUZQYWU VOXYPL RSDU RJVYVU OSWLUW XAVUWISAPU UIJLUFZU ZXRUV AUKXWU ZXFKJLUFZU ZWGEQXNWSEOG WUMSWLV ESQJUFZU SFL ZSWUKYP QOJFDJFN", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "SAZLUKNOJBDPRFXETWVQYIMCGH"}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "scytale-v2-0424", "text": "WIEHCONROEWHNTIASYNULEAAHCLEOALLETNAHLBTMDATIATWAYHESSXSMWERAEWMSX", "ciphertext": "WIEHCONROEWHNTIASYNULEAAHCLEOALLETNAHLBTMDATIATWAYHESSXSMWERAEWMSX", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0459", "text": "DBNTHBHCNMGXCRXQEACEPEOAEBPDQNERCKTUASEACEQNBYRAMOOASNOILYBEGUNTHENEVUABHBQNATQXEEPSFRDSQNENRCQNXGLLBRLHGTRSQCEAOOQNECKBQUDLDRSOTDAFBFRAMSOUGRDRQNDRNADROIDRADXKNTHECLFKAV", "ciphertext": "DBNTHBHCNMGXCRXQEACEPEOAEBPDQNERCKTUASEACEQNBYRAMOOASNOILYBEGUNTHENEVUABHBQNATQXEEPSFRDSQNENRCQNXGLLBRLHGTRSQCEAOOQNECKBQUDLDRSOTDAFBFRAMSOUGRDRQNDRNADROIDRADXKNTHECLFKAV", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011995", "text": ". .  .... ....  . ..  . .  .... ...  .. ...  . .....  ... ...  . ...  ... ....  . ....  . .....  .... ...  . ..  ..... ....  .... ..  . .....  ..... .  . .....  .... ..  .... ...  .. ....  ... ...  .. ..  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  . ...  ... .  . .  .... ...  .... ...  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ....  . .....  . .  . ...  .. ...  ..... ..  .. ...  ..... ....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  .... ...  . .....  . ...  .... .....  .... ..  .. ....  .... ....  ..... ....  ... ..  . .  .... ....  .... ....  . .....  .... ..  .... ...", "ciphertext": ". .  .... ....  . ..  . .  .... ...  .. ...  . .....  ... ...  . ...  ... ....  . ....  . .....  .... ...  . ..  ..... ....  .... ..  . .....  ..... .  . .....  .... ..  .... ...  .. ....  ... ...  .. ..  .... ....  .. ...  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  . ...  ... .  . .  .... ...  .... ...  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... ....  . .....  . .  . ...  .. ...  ..... ..  .. ...  ..... ....  ... ..  ... ....  . ....  . .....  .... ..  ... ...  .... ...  . .....  . ...  .... .....  .... ..  .. ....  .... ....  ..... ....  ... ..  . .  .... ....  .... ....  . .....  .... ..  .... ...", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "morse-code-v2-0030", "text": ".-- .. ... -.. --- -- / --. ..- .- .-. -.. ... / - .... . / --. .- - .", "ciphertext": ".-- .. ... -.. --- -- / --. ..- .- .-. -.. ... / - .... . / --. .- - .", "plaintext": "WISDOM GUARDS THE GATE", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 49, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021901", "text": "KLOB ZOKS ZYVG RXXR KSVI HFHV NFOG RKOV ZOKS ZYVG HSRU GH", "ciphertext": "KLOB ZOKS ZYVG RXXR KSVI HFHV NFOG RKOV ZOKS ZYVG HSRU GH", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "wallis-cipher-v3-0185", "text": "90 15 44 63 91 90 27 85 30 76 91 90 12 79 55 54 63 41 91 90 33 76 63 88 91 90 84 81 91 90 45 58 76 91 156 90 18 82 63 66 75 89 91 90 80 47 53 40 76 41 91 90 37 54 15 18 77 91 90 53 63 73 20 76 45 40 91 90 15 25 91 90 45 44 63 91 90 85 15 58 76 55 91 90 53 84 33 63 91 90 61 25 20 91 90 16 76 47 55 40 91", "ciphertext": "90 15 44 63 91 90 27 85 30 76 91 90 12 79 55 54 63 41 91 90 33 76 63 88 91 90 84 81 91 90 45 58 76 91 156 90 18 82 63 66 75 89 91 90 80 47 53 40 76 41 91 90 37 54 15 18 77 91 90 53 63 73 20 76 45 40 91 90 15 25 91 90 45 44 63 91 90 85 15 58 76 55 91 90 53 84 33 63 91 90 61 25 20 91 90 16 76 47 55 40 91", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 203, "length": 303, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v3-0219", "text": "ICGSSQUEKKWRZVDHMYZ", "ciphertext": "ICGSSQUEKKWRZVDHMYZ", "plaintext": "THE TELESCOPE REVEALS", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0216", "text": "QFAYSAMREDFFDLFCPYAUVWAZHTYSSBNHQNKVURXVBIQQFRYUPECLVUDVYXMDKDRMNGWFWZPYSLQB", "ciphertext": "QFAYSAMREDFFDLFCPYAUVWAZHTYSSBNHQNKVURXVBIQQFRYUPECLVUDVYXMDKDRMNGWFWZPYSLQB", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "SCHNEIER"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-1071", "text": "STDGOTEIAEROWAEYTRENSOERHIOHESTDDLESNOLHPOLEHVLAEVLIFOHTANHVELRGVOTHSWBSOH", "ciphertext": "STDGOTEIAEROWAEYTRENSOERHIOHESTDDLESNOLHPOLEHVLAEVLIFOHTANHVELRGVOTHSWBSOH", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-042", "text": "SYRAFMHCRESHRASNLAPLPECQERIGSECSLPWYCRAVDNMDBNDYAXGZEHWAROVHFSOA", "ciphertext": "SYRAFMHCRESHRASNLAPLPECQERIGSECSLPWYCRAVDNMDBNDYAXGZEHWAROVHFSOA", "plaintext": "CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "tap-code-v3-0036", "text": ".... ....   .. ...   . .....   .... ....   . .....   ... .   . .....   .. ..   .... ..   . .   ... .....   .. ...   .... ....   .... ..   . .   ... ...   .... ...   ... ..   .. ....   .... ....   .... ...", "ciphertext": ".... ....   .. ...   . .....   .... ....   . .....   ... .   . .....   .. ..   .... ..   . .   ... .....   .. ...   .... ....   .... ..   . .   ... ...   .... ...   ... ..   .. ....   .... ....   .... ...", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 123, "length": 204, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-0038", "text": "GMFFU BTTFNCMFT BU IBSCPS", "ciphertext": "GMFFU BTTFNCMFT BU IBSCPS", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 1}, "difficulty": "beginner", "language": "en", "text_length": 22, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0493", "text": "GGOQSNBEIPHTISPUFCNHGJPFESROMRFMOGWHPJXVOFISLACEWTPZRZKDZTKPPLSJNBZEYXVIRODAUSMHEQSROSVE", "ciphertext": "GGOQSNBEIPHTISPUFCNHGJPFESROMRFMOGWHPJXVOFISLACEWTPZRZKDZTKPPLSJNBZEYXVIRODAUSMHEQSROSVE", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0008597", "text": "SIOH AHED RETD CIES CUTN EPLR IETH EODI ELBU CREE TFNT EXIE SFUS TISA TOFT EION NAUE TIPM CTAE LRNF CCUL X", "ciphertext": "SIOH AHED RETD CIES CUTN EPLR IETH EODI ELBU CREE TFNT EXIE SFUS TISA TOFT EION NAUE TIPM CTAE LRNF CCUL X", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "scytale", "cipher": "scytale", "key": {"cols": 5}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "diana-v3-0259", "text": "MSDLQSCWOUJOOINZWFFQNRTEJSDOBSSLZONBHGPOKHCBDJLBFTNRDEMHRPBRBAEYLBFTNRAB", "ciphertext": "MSDLQSCWOUJOOINZWFFQNRTEJSDOBSSLZONBHGPOKHCBDJLBFTNRDEMHRPBRBAEYLBFTNRAB", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORCES"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005331", "text": "UIEESATARRESNEURBRSYGIOGHAIEDXETQPRSIEIPETXDUTURSRCRYENCNIAXTEDRIMDGXGNKICDHNETCEUESDFASAXNGENLBAFVIACUUGWRSEPLOFPXETILXENSEDAUASRAYPNOCISINTETEASNNIXCYLOXERYKFRPREIETTCTRAUSHUTNRN", "ciphertext": "UIEESATARRESNEURBRSYGIOGHAIEDXETQPRSIEIPETXDUTURSRCRYENCNIAXTEDRIMDGXGNKICDHNETCEUESDFASAXNGENLBAFVIACUUGWRSEPLOFPXETILXENSEDAUASRAYPNOCISINTETEASNNIXCYLOXERYKFRPREIETTCTRAUSHUTNRN", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "SIGNAL"}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "atbash-v2-0071", "text": "RG DZH GSV YVHG LU GRNVH RG DZH ZM ZTV LU DRHWLN ZMW ZM ZTV LU FGGVI ULLORHSMVHH", "ciphertext": "RG DZH GSV YVHG LU GRNVH RG DZH ZM ZTV LU DRHWLN ZMW ZM ZTV LU FGGVI ULLORHSMVHH", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 63, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0173", "text": "MXYTHQ CPULYZLM WIXW UBLOHLU LZCEZL WIYCSJI QXWSYXE ULELOWHCQ CZLY ZXUW UBXQU CK JLCECJHO WHDL", "ciphertext": "MXYTHQ CPULYZLM WIXW UBLOHLU LZCEZL WIYCSJI QXWSYXE ULELOWHCQ CZLY ZXUW UBXQU CK JLCECJHO WHDL", "plaintext": "DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v3-0576", "text": "GIRSEPRECAENSAPEMDINTENOIUIINTHSSTOIPTOINNNENNSEAYRONOCNTSIONRDEPTTEENNIAEPIRD", "ciphertext": "GIRSEPRECAENSAPEMDINTENOIUIINTHSSTOIPTOINNNENNSEAYRONOCNTSIONRDEPTTEENNIAEPIRD", "plaintext": "GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v3-0033", "text": "AJDVRFONSNBC", "ciphertext": "AJDVRFONSNBC", "plaintext": "YANKEE DOODLE", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0068", "text": "TFKKJWASNUKTBDBZTJSWBAIRVXCZNOCQYWWUDJFHPKNRDGHGUUBSZGKCMAYBRZNPXEWIBTSFIKFW", "ciphertext": "TFKKJWASNUKTBDBZTJSWBAIRVXCZNOCQYWWUDJFHPKNRDGHGUUBSZGKCMAYBRZNPXEWIBTSFIKFW", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v2-0532", "text": "EPUXFBHWJM+FKXXJA", "ciphertext": "EPUXFBHWJM+FKXXJA", "plaintext": "COURAGE IN DARKNESS", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0178", "text": "JUIGVIEQPAXWIWAYYJEEVNHIQOKBUHLIOTTUEUIFZOQAQQPAHUDPODQIWUEJIJRQYVEJOITM", "ciphertext": "JUIGVIEQPAXWIWAYYJEEVNHIQOKBUHLIOTTUEUIFZOQAQQPAHUDPODQIWUEJIJRQYVEJOITM", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007536", "text": "HVLCNEEERIIPTDBTCAECTUIUSFSMOIINCSDBRTIENXSRXOTOBENRWXTVOREHALSHAREBDCEEEESDPURETHNTACIEATUEKHEOSMNRCMEOOOSAUBLARBMOALEPDFHKEE", "ciphertext": "HVLCNEEERIIPTDBTCAECTUIUSFSMOIINCSDBRTIENXSRXOTOBENRWXTVOREHALSHAREBDCEEEESDPURETHNTACIEATUEKHEOSMNRCMEOOOSAUBLARBMOALEPDFHKEE", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "CIPHER", "key2": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "scytale-v3-0127", "text": "FLSIAEDXXULALHAXXX", "ciphertext": "FLSIAEDXXULALHAXXX", "plaintext": "FULL SAIL AHEAD", "label": "scytale", "cipher": "scytale", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0198", "text": "MQTAIOWWASXQUCSNHTTOYPIQAVFTUWCQYMLKVAKALUARIQXIXJRTAVKWSBYQSAYORNPWQX", "ciphertext": "MQTAIOWWASXQUCSNHTTOYPIQAVFTUWCQYMLKVAKALUARIQXIXJRTAVKWSBYQSAYORNPWQX", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0243", "text": "KPFEXDBARBUFG", "ciphertext": "KPFEXDBARBUFG", "plaintext": "THE APPLE FALLS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0327", "text": "MJN XYNKN QNKYEX", "ciphertext": "MJN XYNKN QNKYEX", "plaintext": "THE SIEGE BEGINS", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011473", "text": "TSCQWUUZQCSZZ PWEXVJL LZWOPZNHG OIYZLZB GTFUCJJ JMUMOEQSSIPP", "ciphertext": "TSCQWUUZQCSZZ PWEXVJL LZWOPZNHG OIYZLZB GTFUCJJ JMUMOEQSSIPP", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "nihilist-v3-0145", "text": "43 56 49 36 38 56 67 43 56 55 26 66 74 47 76 50 36 28 66 67 58 72 40 26 55 60 64 49 72 40 26 59 60 64 48 45 47 26 55 66 54 76 63 38 59 35 58 56 79 82 29 28 55 67 73 80 55 57 35 59 59 83 49 84 68 28 25 36", "ciphertext": "43 56 49 36 38 56 67 43 56 55 26 66 74 47 76 50 36 28 66 67 58 72 40 26 55 60 64 49 72 40 26 59 60 64 48 45 47 26 55 66 54 76 63 38 59 35 58 56 79 82 29 28 55 67 73 80 55 57 35 59 59 83 49 84 68 28 25 36", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "keyword": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 203, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0339", "text": "FFGXFDGXAGADGFDFDFFDDGDDGGGAFDAFXGXFFDAFGGAFFDDADAAAFDGXAGGFGGADGGAFDDGGFDFAFDFXDAGDAFADDDGFGFXFGADDGGDDDADDGGDGGXAADDGADAAFGDGFAADDFDDAFXDGFFDGFDAFDDFFAGFG", "ciphertext": "FFGXFDGXAGADGFDFDFFDDGDDGGGAFDAFXGXFFDAFGGAFFDDADAAAFDGXAGGFGGADGGAFDDGGFDFAFDFXDAGDAFADDDGFGFXFGADDGGDDDADDGGDGGXAADDGADAAFGDGFAADDFDDAFXDGFFDGFDAFDDFFAGFG", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 156, "length": 156, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0355", "text": "THATONTHEFIRSTDAYOFJANUARYINTHEYEAROFOURLORDONETHOUSANDEIGHTHUNDREDANDSIXTYTHREEALLPERSONSHELDASSLAVESWITHINANYSTATEINREBELLIONAGAINSTTHEUNITEDSTATESSHALLBEFREE", "ciphertext": "THATONTHEFIRSTDAYOFJANUARYINTHEYEAROFOURLORDONETHOUSANDEIGHTHUNDREDANDSIXTYTHREEALLPERSONSHELDASSLAVESWITHINANYSTATEINREBELLIONAGAINSTTHEUNITEDSTATESSHALLBEFREE", "plaintext": "THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "COLOSSUS"}, "difficulty": "expert", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013567", "text": "⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w34⟩ ⟨a29⟩ ⟨w40⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩", "ciphertext": "⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w34⟩ ⟨a29⟩ ⟨w40⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 76, "length": 76, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "cda-0020407", "text": "OKALC HEDAL CHEOL QOKEE DYCHE DYAII INCTA IINYT EDYOK SHYQO KALOT AINSH EDYCH EDYKA IIINY PCHOL QOKEE DYOKE DYQOK ALORO ROTAI NRCHE OLCHE OLRCH EOLQO KEDYO TOLCH EOLYT EDYOK AINCH OLDAI INDAI NYRAI INCHE OLQOT EDYCT AIINQ OKALS HALDA LYTED YSHEO LCTAI INYTE DYDAR ALAII INOTE DYCHE DALCH EOLCH OROKA INOKE EDYSH EEDYR CHEOL YKCHE OLRAI INSHE DYSHO RSHOR SHEOL DAL", "ciphertext": "OKALC HEDAL CHEOL QOKEE DYCHE DYAII INCTA IINYT EDYOK SHYQO KALOT AINSH EDYCH EDYKA IIINY PCHOL QOKEE DYOKE DYQOK ALORO ROTAI NRCHE OLCHE OLRCH EOLQO KEDYO TOLCH EOLYT EDYOK AINCH OLDAI INDAI NYRAI INCHE OLQOT EDYCT AIINQ OKALS HALDA LYTED YSHEO LCTAI INYTE DYDAR ALAII INOTE DYCHE DALCH EOLCH OROKA INOKE EDYSH EEDYR CHEOL YKCHE OLRAI INSHE DYSHO RSHOR SHEOL DAL", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 303, "length": 303, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "cda-0012210", "text": "CNZV LBQM MCEO ZEFH ISCD UYBE NHQJ FELE VQPS LILJ GOUH FEMF ZLNZ YHLQ OLXN AVHR HDEV TXZM MNNK FJZH CEKO JUVE HVYG OGGU DWFN EQVV QMNT QOLX TVSR KUCD FXCO CIHS VOKZ AKMX NXSR QHCW XUBY VFCG IXXR POUH CPWJ ICVN JSCS ATRJ TXLY JDTA DJJN LIBF JBVL QTJ", "ciphertext": "CNZV LBQM MCEO ZEFH ISCD UYBE NHQJ FELE VQPS LILJ GOUH FEMF ZLNZ YHLQ OLXN AVHR HDEV TXZM MNNK FJZH CEKO JUVE HVYG OGGU DWFN EQVV QMNT QOLX TVSR KUCD FXCO CIHS VOKZ AKMX NXSR QHCW XUBY VFCG IXXR POUH CPWJ ICVN JSCS ATRJ TXLY JDTA DJJN LIBF JBVL QTJ", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE ALWAYS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 199, "length": 199, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "trifid-103", "text": "QXJMDICRJONLMZLWGLCPWCVLLQDKXNYLTABDBNEOCAJFVIL", "ciphertext": "QXJMDICRJONLMZLWGLCPWCVLLQDKXNYLTABDBNEOCAJFVIL", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0802", "text": "SAUMBPSHBGSHAPTUPSVBATUAFSVLSFTMISXEIXHTAPSHLUTGFQIGMNFFTMMSTTUP", "ciphertext": "SAUMBPSHBGSHAPTUPSVBATUAFSVLSFTMISXEIXHTAPSHLUTGFQIGMNFFTMMSTTUP", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 71}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0351", "text": "HINXNRPTMEMFEEIECSTRO", "ciphertext": "HINXNRPTMEMFEEIECSTRO", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0292", "text": "14 15 18 20 08 19 20 01 18 08 15 12 04 19 06 09 18 13 03 15 21 18 19 05", "ciphertext": "14 15 18 20 08 19 20 01 18 08 15 12 04 19 06 09 18 13 03 15 21 18 19 05", "plaintext": "NORTH STAR HOLDS FIRM COURSE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 48, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0204", "text": "7720 7974 7974 7194 8038 8685 7467 7911 7849 7194 8038 8603 8206 8437 8100 8206 8100 8528 7467 7401 8603 7654 7194 8603 8854 7467 8528 7654 8100 8685 7911 7401 7194 7338 8603 8100 8038 7911 9003 7194 7338 7338 8100 8437 7401 7720 8038 7590 8603 8100 8603 7654 7194 8603 7974 7194 8930 7720 7974 7256 9003 8854 7654 7720 7338 7654 8854 7467 7338 7194 8038 7194 8603 8603 7654 7467 8528 7194 7974 7467 8603 7720 7974 7467 8854 7720 7911 7911 8603 7654 7194 8603 7720 8603 8528 7654 8100 8685 7911 7401 7256 7467 7338 8100 7974 7467 7194 8685 8038 7720 8781 7467 8437 8528 7194 7911 7911 7194 8854 8603 7654 7720 8528 7338 7194 8603 7467 7590 8100 8437 7720 7338 7194 7911 7720 7974 8206 7467 8437 7194 8603 7720 8781 7467 7401 7467 7529 7720 8038 7467 8528 7974 8100 8437 7194 7911 7401 8685 8603 9003", "ciphertext": "7720 7974 7974 7194 8038 8685 7467 7911 7849 7194 8038 8603 8206 8437 8100 8206 8100 8528 7467 7401 8603 7654 7194 8603 8854 7467 8528 7654 8100 8685 7911 7401 7194 7338 8603 8100 8038 7911 9003 7194 7338 7338 8100 8437 7401 7720 8038 7590 8603 8100 8603 7654 7194 8603 7974 7194 8930 7720 7974 7256 9003 8854 7654 7720 7338 7654 8854 7467 7338 7194 8038 7194 8603 8603 7654 7467 8528 7194 7974 7467 8603 7720 7974 7467 8854 7720 7911 7911 8603 7654 7194 8603 7720 8603 8528 7654 8100 8685 7911 7401 7256 7467 7338 8100 7974 7467 7194 8685 8038 7720 8781 7467 8437 8528 7194 7911 7911 7194 8854 8603 7654 7720 8528 7338 7194 8603 7467 7590 8100 8437 7720 7338 7194 7911 7720 7974 8206 7467 8437 7194 8603 7720 8781 7467 7401 7467 7529 7720 8038 7467 8528 7974 8100 8437 7194 7911 7401 8685 8603 9003", "plaintext": "IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 640, "length": 799, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v2-0210", "text": "BVFNYPOTIUMQCQQRRIMDNYTAFDAVTQOUDSSSHTHOYARIMDNYRISSEVDGEVODTQTAFANXSNIJANVTAIJIILUP", "ciphertext": "BVFNYPOTIUMQCQQRRIMDNYTAFDAVTQOUDSSSHTHOYARIMDNYRISSEVDGEVODTQTAFANXSNIJANVTAIJIILUP", "plaintext": "KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010405", "text": "ACENNAEWEITTANNITISTCSRTGXRCICGDLSTASEELIITZEOUEYTONRIRRPRAITPFTVSIROMTIHEHENGNYETNIXXBAASMEPASENEDRNNGEOERCRTZANEUIDUX", "ciphertext": "ACENNAEWEITTANNITISTCSRTGXRCICGDLSTASEELIITZEOUEYTONRIRRPRAITPFTVSIROMTIHEHENGNYETNIXXBAASMEPASENEDRNNGEOERCRTZANEUIDUX", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 7}, "difficulty": "hard", "language": "en", "text_length": 119, "length": 119, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "gronsfeld-v3-0605", "text": "CPLVTFMYYSXBKKQNOHZJMBVZMNCUOYNLZZFCMZHDCPLITWAAOYDBPUSJZLXJBMYBJMBVZMNAAGYNA", "ciphertext": "CPLVTFMYYSXBKKQNOHZJMBVZMNCUOYNLZZFCMZHDCPLITWAAOYDBPUSJZLXJBMYBJMBVZMNAAGYNA", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "98765"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019959", "text": "43 45 12 43 44 24 44 45 44 24 34 33 13 24 35 23 15 42 43 32 11 35 15 11 13 23 31 15 44 44 15 42 44 34 11 14 24 21 21 15 42 15 33 44 31 15 44 44 15 42 11 31 52 11 54 43", "ciphertext": "43 45 12 43 44 24 44 45 44 24 34 33 13 24 35 23 15 42 43 32 11 35 15 11 13 23 31 15 44 44 15 42 44 34 11 14 24 21 21 15 42 15 33 44 31 15 44 44 15 42 11 31 52 11 54 43", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER ALWAYS", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 56, "length": 56, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "affine-v2-1057", "text": "DZY CMOJIDW KH SYLGW IU BKD UDLOIBYP ID PLKTTYDZ OU DZY QYBDJY LOIB HLKS ZYOVYB OXKVY", "ciphertext": "DZY CMOJIDW KH SYLGW IU BKD UDLOIBYP ID PLKTTYDZ OU DZY QYBDJY LOIB HLKS ZYOVYB OXKVY", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 9, "b": 14}, "difficulty": "beginner", "language": "en", "text_length": 70, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-v3-0072", "text": "108 178 141 100 181 162 165 157 178 166 175 147 108 102 144 100 100 152 179 131 118 103 159 119 106 141 136 151 167 105 147 108 178 141 100 181 162 171 100 100 174 166 108 142 152 165 100 181 150 161 123 166 133 170 141 174", "ciphertext": "108 178 141 100 181 162 165 157 178 166 175 147 108 102 144 100 100 152 179 131 118 103 159 119 106 141 136 151 167 105 147 108 178 141 100 181 162 171 100 100 174 166 108 142 152 165 100 181 150 161 123 166 133 170 141 174", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VERSAILLES"}, "difficulty": "expert", "language": "en", "text_length": 168, "length": 223, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003661", "text": "SRISNSCASLNELAASYPSDEETOHENIYBGETRETAHCTLARPBOTNHGEHMMRCTASTINEFAODCRAEBNNTLOEESINURSPADTICECRTOIMEOROOQETOWDIACIHRMIEORCHTIAPNDAIEUBPTOERLOHSSSBYNKNUVHNIUMTPTIEICPEDNOIERSUNRIELETSAHINSVIO", "ciphertext": "SRISNSCASLNELAASYPSDEETOHENIYBGETRETAHCTLARPBOTNHGEHMMRCTASTINEFAODCRAEBNNTLOEESINURSPADTICECRTOIMEOROOQETOWDIACIHRMIEORCHTIAPNDAIEUBPTOERLOHSSSBYNKNUVHNIUMTPTIEICPEDNOIERSUNRIELETSAHINSVIO", "plaintext": "COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 189, "length": 189, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "enigma-236", "text": "UVQLQLCNZJQALOLVIPHPRJCASCBXCXYBICTMZCMQXFLJJFGMODZKLOHBRFZXNCIUMNACLRKBYICYUTSJEWIVKBBNGIKVMYCYLLDYLKELIWBSPWOLYFZXUIIHPDAUDDWYISZLJPFMDKIDJTULQWRYM", "ciphertext": "UVQLQLCNZJQALOLVIPHPRJCASCBXCXYBICTMZCMQXFLJJFGMODZKLOHBRFZXNCIUMNACLRKBYICYUTSJEWIVKBBNGIKVMYCYLLDYLKELIWBSPWOLYFZXUIIHPDAUDDWYISZLJPFMDKIDJTULQWRYM", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "RMS"}, "difficulty": "expert", "language": "en", "text_length": 149, "length": 149, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-vf-0067", "text": "SJWEFWJ VCBW DEFD RC GER FDER FDOU FDEF E GER VEI LCMR DOU VOHW HCJ DOU HJOWRLU ERL PJWFDJWR", "ciphertext": "SJWEFWJ VCBW DEFD RC GER FDER FDOU FDEF E GER VEI LCMR DOU VOHW HCJ DOU HJOWRLU ERL PJWFDJWR", "plaintext": "GREATER LOVE HATH NO MAN THAN THIS THAT A MAN LAY DOWN HIS LIFE FOR HIS FRIENDS AND BRETHREN", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 11, "b": 4}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0105", "text": "MTOYXEVDUZIWWCUPOP", "ciphertext": "MTOYXEVDUZIWWCUPOP", "plaintext": "THE ORACLE HAS SPOKEN", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-133", "text": "CLCKWDMPACQLCYP", "ciphertext": "CLCKWDMPACQLCYP", "plaintext": "ENEMY FORCES NEAR", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KOREA"}, "difficulty": "beginner", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-161", "text": "SPHKLQWDSQYLUOCLUKQOYCSKRLALOYLUEUQWDSQYLUCSKRL", "ciphertext": "SPHKLQWDSQYLUOCLUKQOYCSKRLALOYLUEUQWDSQYLUCSKRL", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018955", "text": "THEON ETIME PADIZ THEOR ETICX LLYUN BREAX ABLEI FUSED CORRZ CTLYE VERYS YSTEM NEEDS ANHON ESTTH REATM ODELB RUTEF ORCEW ORKSO NLYWX ENTHZ KEYSX ACEIZ SMALL ENTRZ PYMEA SUREX UNCEZ TAINX YINAX ISTRI BUTIO NZCAZ", "ciphertext": "THEON ETIME PADIZ THEOR ETICX LLYUN BREAX ABLEI FUSED CORRZ CTLYE VERYS YSTEM NEEDS ANHON ESTTH REATM ODELB RUTEF ORCEW ORKSO NLYWX ENTHZ KEYSX ACEIZ SMALL ENTRZ PYMEA SUREX UNCEZ TAINX YINAX ISTRI BUTIO NZCAZ", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 175, "length": 175, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0011394", "text": "AIIP PISR IULZ XPIA PBXY NRGR VRTK WLTT IPRZ PIMI LPND LMTP BZJN VLRW ZIIX MMTP BZJI SRXI ZNI", "ciphertext": "AIIP PISR IULZ XPIA PBXY NRGR VRTK WLTT IPRZ PIMI LPND LMTP BZJN VLRW ZIIX MMTP BZJI SRXI ZNI", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "LGNXIHJDREQVWZBAFPMTYSUOKC"}, "difficulty": "medium", "language": "en", "text_length": 75, "length": 75, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "vic-v2-0398", "text": "9326128991808289909100689312658961256324866863491185839090852858302838914918632393839082689852287", "ciphertext": "9326128991808289909100689312658961256324866863491185839090852858302838914918632393839082689852287", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 97, "length": 97, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0945", "text": "LXEODPFDCWHOOTZMRVGDNSYLICZYMQBXWRTGUMJHHKEZPMVIWMWKXESGVAVOMTDRJKPAOGNIZI", "ciphertext": "LXEODPFDCWHOOTZMRVGDNSYLICZYMQBXWRTGUMJHHKEZPMVIWMWKXESGVAVOMTDRJKPAOGNIZI", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011390", "text": "KKWLG HZEWP KLVCT CXTLN IGXJO NANGA XHWIS ZMOLG VUZAN KAWAZ TCDYC AWGEB PEMGD YWRZC VFBZG FWUVY GNGZQ QJMVJ YDJEK RPAQO AASTE ZKAKK WWKPL CAEKF LZOGD C", "ciphertext": "KKWLG HZEWP KLVCT CXTLN IGXJO NANGA XHWIS ZMOLG VUZAN KAWAZ TCDYC AWGEB PEMGD YWRZC VFBZG FWUVY GNGZQ QJMVJ YDJEK RPAQO AASTE ZKAKK WWKPL CAEKF LZOGD C", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "beaufort", "cipher": "beaufort", "key": {"key": "DRAGON"}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "columnar-transposition-v2-0138", "text": "OLMCHICESODIPNIASSM", "ciphertext": "OLMCHICESODIPNIASSM", "plaintext": "MISSION ACCOMPLISHED", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013944", "text": "QOKEE DYCHO LQOKE DYLKA IINCH ORQOT EDYAI IINSH EDYCH OLDAI INOTA IINDA RALQO TEDYO XEDDA RALSH EOLCH EOLOT AINQO KEEDY DAIIN YKCHE OLOTE DYAII INQOT EDYSH ORCHO LDALR AIINC HEDAL YPCHO LQOTE DYQOT EDYSH EOLOR OROKE DYYKC HEOLO KALOK EDYOK EEDYQ OKALC HOLDA IINDA INYOK EDYSH EDYDA RALCH OLORO ROKED YSHAL SHORR AIINA IIINR CHEOL YKCHE OLCHE DALOK SHYSH ARALY TEDYO KEDY", "ciphertext": "QOKEE DYCHO LQOKE DYLKA IINCH ORQOT EDYAI IINSH EDYCH OLDAI INOTA IINDA RALQO TEDYO XEDDA RALSH EOLCH EOLOT AINQO KEEDY DAIIN YKCHE OLOTE DYAII INQOT EDYSH ORCHO LDALR AIINC HEDAL YPCHO LQOTE DYQOT EDYSH EOLOR OROKE DYYKC HEOLO KALOK EDYOK EEDYQ OKALC HOLDA IINDA INYOK EDYSH EDYDA RALCH OLORO ROKED YSHAL SHORR AIINA IIINR CHEOL YKCHE OLCHE DALOK SHYSH ARALY TEDYO KEDY", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 309, "length": 309, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "vic-v2-0427", "text": "899187878595858386289826922722868091901690834868904190821223695894868595693683901289918787859541712684908214918182858386289", "ciphertext": "899187878595858386289826922722868091901690834868904190821223695894868595693683901289918787859541712684908214918182858386289", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 123, "length": 123, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0137", "text": "37 28 67 71 83 66 63 84 74 59 41 56 20 32", "ciphertext": "37 28 67 71 83 66 63 84 74 59 41 56 20 32", "plaintext": "TARGET ACQUIRED", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v2-0334", "text": "KPSDSTORXBWHFUWKNIGIYWNIIXHWKVYITFDSKNWSLURJFASHUENBDXUSGQACXUYWUBWZHNPBBCPGYWEFH", "ciphertext": "KPSDSTORXBWHFUWKNIGIYWNIIXHWKVYITFDSKNWSLURJFASHUENBDXUSGQACXUYWUBWZHNPBBCPGYWEFH", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-168", "text": "LO EFA JGFR QFVM EFAWZYIO UGP EFAW YGYHE EFA GYYP GFV OYUW VMY WYZAIV", "ciphertext": "LO EFA JGFR QFVM EFAWZYIO UGP EFAW YGYHE EFA GYYP GFV OYUW VMY WYZAIV", "plaintext": "IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 56, "length": 69, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v3-0338", "text": "TJWCOYJW HYJQWR LWJW", "ciphertext": "TJWCOYJW HYJQWR LWJW", "plaintext": "TREASURE BURIED HERE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013072", "text": "GYOPM NIRHI RKGOU VEIAR VDEGQ GFGPQ VHVGH TQANC XBLTL KXUTM FLJHC HQBKQ COIYA OUEBI RASQD AVBPA GPUFK OCZEF RUTNS KHIXT ZDVTM XQYPO OUPXW FNADP PHOUW UJUDH PMYCP RKTKH WHZGS PXOLJ DURBQ RKJGF ATETP WVOFF ILVDY LYANW NGEIQ V", "ciphertext": "GYOPM NIRHI RKGOU VEIAR VDEGQ GFGPQ VHVGH TQANC XBLTL KXUTM FLJHC HQBKQ COIYA OUEBI RASQD AVBPA GPUFK OCZEF RUTNS KHIXT ZDVTM XQYPO OUPXW FNADP PHOUW UJUDH PMYCP RKTKH WHZGS PXOLJ DURBQ RKJGF ATETP WVOFF ILVDY LYANW NGEIQ V", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 186, "length": 186, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cda-0015386", "text": "857 822 813 999 814 839 824 818 838 800 999 836 800 808 823 826 839 812 999 860 856 813 810 999 851 842 858 843 852 854 999 859 844 999 807 853 812 801 857 812 999 801 999 845 843 833 872 800 833 847 822 802 805 813 858 826 807 999 808 824 846 822 812 853 999 819 844 842 810 999 814 809 862 807 800 859 826 844 840 801 833 999 857 842 843 835 854 999 812 870 847 833 800 826 841 999 857 822 813 826 852 999 835 825 837 824 857 854 999 802 999 857 852 801 841 855 845 800 851 814 840 857 999 858 843 842 833 999 855 821 842 860 833 810 999 856 823 844 867 999 825 858 855 999 852 812 801 855 842 841 825 839 819 999 857 867 842 999 854 850 862 800 851 813 999 807 826 846 821 812 852 999 812 841 808 852 872 846 859 855 999 810 826 819 852 802 846 823 855 999 866 825 857 823 999 857 867 844 999 846 842 833 872 803 826 861 856 999 802 834 845 823 801 803 813 857 854 999", "ciphertext": "857 822 813 999 814 839 824 818 838 800 999 836 800 808 823 826 839 812 999 860 856 813 810 999 851 842 858 843 852 854 999 859 844 999 807 853 812 801 857 812 999 801 999 845 843 833 872 800 833 847 822 802 805 813 858 826 807 999 808 824 846 822 812 853 999 819 844 842 810 999 814 809 862 807 800 859 826 844 840 801 833 999 857 842 843 835 854 999 812 870 847 833 800 826 841 999 857 822 813 826 852 999 835 825 837 824 857 854 999 802 999 857 852 801 841 855 845 800 851 814 840 857 999 858 843 842 833 999 855 821 842 860 833 810 999 856 823 844 867 999 825 858 855 999 852 812 801 855 842 841 825 839 819 999 857 867 842 999 854 850 862 800 851 813 999 807 826 846 821 812 852 999 812 841 808 852 872 846 859 855 999 810 826 819 852 802 846 823 855 999 866 825 857 823 999 857 867 844 999 846 842 833 872 803 826 861 856 999 802 834 845 823 801 803 813 857 854 999", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 186, "length": 186, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0016263", "text": ".... ....  .. ...  . .....  . ...  . .  .... ...  .. ....  .... ...  . ...  .. ....  . .....  ..... ...  . .  ... ..  .. ....  ... ...  . .  .... ....  .. ....  ... ....  ... ...  .. .  .. ....  ... ...  . ....  .... ...  .... ..  . .....  ... .....  . .....  . .  .... ....  . .....  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... ..  .... ...  .. ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ....  . .....  ..... ...  .... ....  .... ....  .. ...  . .....  . .....  ... ...  .. ....  .. ..  ... ..  . .  ... ..  . .  . ...  .. ...  .. ....  ... ...  . .....  .... .....  .... ...  . .....  . ....  .... ..  ... ....  .... ....  ... ....  .... ..  .... ...  .... ....  ... ....  . ...  .... ..  . .....  . .  .... ....  . .....  . .  ... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...", "ciphertext": ".... ....  .. ...  . .....  . ...  . .  .... ...  .. ....  .... ...  . ...  .. ....  . .....  ..... ...  . .  ... ..  .. ....  ... ...  . .  .... ....  .. ....  ... ....  ... ...  .. .  .. ....  ... ...  . ....  .... ...  .... ..  . .....  ... .....  . .....  . .  .... ....  . .....  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... ..  .... ...  .. ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ....  . .....  ..... ...  .... ....  .... ....  .. ...  . .....  . .....  ... ...  .. ....  .. ..  ... ..  . .  ... ..  . .  . ...  .. ...  .. ....  ... ...  . .....  .... .....  .... ...  . .....  . ....  .... ..  ... ....  .... ....  ... ....  .... ..  .... ...  .... ....  ... ....  . ...  .... ..  . .....  . .  .... ....  . .....  . .  ... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 164, "length": 164, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0016905", "text": "parts order light young broad inner under seeks early needs clear often depot eight depot lines enter troop track extra right south among stage parts", "ciphertext": "parts order light young broad inner under seeks early needs clear often depot eight depot lines enter troop track extra right south among stage parts", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0028", "text": "ADXVAADVDDGFDVGGGGFVDFFVVVAFDGAGAADGFDAAFADDAGDVFGVGGV", "ciphertext": "ADXVAADVDDGFDVGGGGFVDFFVVVAFDGAGAADGFDAAFADDAGDVFGVGGV", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 54, "length": 54, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004075", "text": "ALLFT BCSRH TOORM DSMCA YEUAO OELNW EEFXO ASPRT NBNBE SWTTA XDNSA NIAEG ESSHH HIXEC ITSTL WTSSH EEOLX", "ciphertext": "ALLFT BCSRH TOORM DSMCA YEUAO OELNW EEFXO ASPRT NBNBE SWTTA XDNSA NIAEG ESSHH HIXEC ITSTL WTSSH EEOLX", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE BEST LESSONS SHOW WHERE THE METHOD FAILS", "label": "scytale", "cipher": "scytale", "key": {"cols": 5}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "caesar-v3-0868", "text": "UFOJWHM SLDZOWBG OZZ", "ciphertext": "UFOJWHM SLDZOWBG OZZ", "plaintext": "GRAVITY EXPLAINS ALL", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 14}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1193", "text": "RB ZIJAA MTXIK HW KIB UBJFIBZ JWQ RB ZIJAA MTXIK HW KIB AJWQTWX XOHVWQZ JWQ TW KIB MTBAQZ", "ciphertext": "RB ZIJAA MTXIK HW KIB UBJFIBZ JWQ RB ZIJAA MTXIK HW KIB AJWQTWX XOHVWQZ JWQ TW KIB MTBAQZ", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 11, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 72, "length": 89, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0330", "text": "ZIGKDSSUZITGUCODUNKPKUQHORQKYEURREIMOQPSMLIMURLUSTUQCSBBAAIRLLTZTMQKBNCSORBHZIOHKUGP", "ciphertext": "ZIGKDSSUZITGUCODUNKPKUQHORQKYEURREIMOQPSMLIMURLUSTUQCSBBAAIRLLTZTMQKBNCSORBHZIOHKUGP", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0148", "text": "ILDDLHENQFQBDKYV", "ciphertext": "ILDDLHENQFQBDKYV", "plaintext": "DIVIDE AND CONQUER", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003013", "text": "GUST EWSR ZOAG SFGH FSFG NSVA RRKB TPBW AQVR RAQR GBSF GWZO GSXS LYSA UGVB CSAF BHEN SGBB YFOY YBJW AQSC SARS AGIS EWTV QOGV BAQW UENC VOAR GEWU EOCV SESD HSAP WSFS KCBF SFWZ CYSQ VCNS EF", "ciphertext": "GUST EWSR ZOAG SFGH FSFG NSVA RRKB TPBW AQVR RAQR GBSF GWZO GSXS LYSA UGVB CSAF BHEN SGBB YFOY YBJW AQSC SARS AGIS EWTV QOGV BAQW UENC VOAR GEWU EOCV SESD HSAP WSFS KCBF SFWZ CYSQ VCNS EF", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "porta", "cipher": "porta", "key": {"key": "PATTERN"}, "difficulty": "hard", "language": "en", "text_length": 150, "length": 150, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "affine-v2-1090", "text": "DZKUY EZK GOBBKD LYSYSXYL DZY TOUD OLY GKBPYSBYP DK LYTYOD ID OU TZIJKUKTZYL UOBDOWOBO KXUYLVYP", "ciphertext": "DZKUY EZK GOBBKD LYSYSXYL DZY TOUD OLY GKBPYSBYP DK LYTYOD ID OU TZIJKUKTZYL UOBDOWOBO KXUYLVYP", "plaintext": "THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 9, "b": 14}, "difficulty": "beginner", "language": "en", "text_length": 81, "length": 95, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0445", "text": "CBWKMFGHHXJEUGQOFANX", "ciphertext": "CBWKMFGHHXJEUGQOFANX", "plaintext": "THE REDCOATS ARE COMING", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016758", "text": "XZNN PNHE TUAL DKQT AWDU GRRM JMTF IJXY LSWU LQLW LYFY MWNW OJZF LHZJ QJJK YQNI UEAN IXMU XDHS XBNV HSEC WVGE EIYA NSWY XCQD KS", "ciphertext": "XZNN PNHE TUAL DKQT AWDU GRRM JMTF IJXY LSWU LQLW LYFY MWNW OJZF LHZJ QJJK YQNI UEAN IXMU XDHS XBNV HSEC WVGE EIYA NSWY XCQD KS", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 102, "length": 102, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "bifid-v2-0017", "text": "LBFCQBFPOTWWOMGXXOF", "ciphertext": "LBFCQBFPOTWWOMGXXOF", "plaintext": "CODED MESSAGE FOLLOWS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015052", "text": "859 823 812 999 857 853 826 859 822 813 836 825 862 854 999 806 824 847 822 812 851 999 802 810 864 800 841 806 813 856 999 858 821 814 999 800 833 847 823 800 804 813 859 999 803 872 999 842 840 813 999 845 844 854 824 857 825 842 839 999 813 800 806 823 999 834 813 857 858 814 852 999 858 821 813 999 824 840 809 813 870 999 842 816 999 807 843 826 841 806 826 811 813 839 807 812 999 826 854 999 801 999 860 856 812 815 862 834 999 807 833 860 813 999 822 860 836 800 839 999 851 813 800 810 800 804 833 814 999 844 860 859 847 862 859 999 854 822 842 861 834 811 999 856 823 843 867 999 800 834 835 999 851 813 802 856 844 841 824 841 820 999 854 859 812 845 855 999", "ciphertext": "859 823 812 999 857 853 826 859 822 813 836 825 862 854 999 806 824 847 822 812 851 999 802 810 864 800 841 806 813 856 999 858 821 814 999 800 833 847 823 800 804 813 859 999 803 872 999 842 840 813 999 845 844 854 824 857 825 842 839 999 813 800 806 823 999 834 813 857 858 814 852 999 858 821 813 999 824 840 809 813 870 999 842 816 999 807 843 826 841 806 826 811 813 839 807 812 999 826 854 999 801 999 860 856 812 815 862 834 999 807 833 860 813 999 822 860 836 800 839 999 851 813 800 810 800 804 833 814 999 844 860 859 847 862 859 999 854 822 842 861 834 811 999 856 823 843 867 999 800 834 835 999 851 813 802 856 844 841 824 841 820 999 854 859 812 845 855 999", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE INDEX OF COINCIDENCE IS A USEFUL CLUE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 141, "length": 141, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0018823", "text": "06018 1594 01016 6644 5746 2901 06337 7862 01035 03771 00409 02875 4130 6060 5998 2558 04772 06634 03841 1314 00715 1643 6356 1656 6043 6335 01631 01342 06670 4484 01273 1583 5737 5988 1004 05750 6634 6319 02892 04488 7882 02582 6600 4112 00391 4468 05699 1587 00400 1280 0358 0630 3806 01647 4784 06667 6335 05117 6618 06285 06049 02558 4723 6629 3826 01320 6061 2529 4791 07291 00386 03772 03821 05731 1645 00377 05971 4733 04463 2888 4433 02267 6023 06310 01596 5116 05997 0413 03780 7226 0324 07878 05976", "ciphertext": "06018 1594 01016 6644 5746 2901 06337 7862 01035 03771 00409 02875 4130 6060 5998 2558 04772 06634 03841 1314 00715 1643 6356 1656 6043 6335 01631 01342 06670 4484 01273 1583 5737 5988 1004 05750 6634 6319 02892 04488 7882 02582 6600 4112 00391 4468 05699 1587 00400 1280 0358 0630 3806 01647 4784 06667 6335 05117 6618 06285 06049 02558 4723 6629 3826 01320 6061 2529 4791 07291 00386 03772 03821 05731 1645 00377 05971 4733 04463 2888 4433 02267 6023 06310 01596 5116 05997 0413 03780 7226 0324 07878 05976", "plaintext": "SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ALWAYS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 93, "length": 93, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "kl7-v2-0232", "text": "EFAWWFWYWEQQMIMGVVHUKRRDWPYTGQQBNHLZRULAFPMAXIPGXFKTKFCRZNUNOCYEKVOHLHOTKEBNGYUXO", "ciphertext": "EFAWWFWYWEQQMIMGVVHUKRRDWPYTGQQBNHLZRULAFPMAXIPGXFKTKFCRZNUNOCYEKVOHLHOTKEBNGYUXO", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v3-0363", "text": "SMNNDTVTFTJNCSHFTRRVUAXNIVFKIIOBZFHUKTCDZNIVNLYCYQEQDDARLVYDNFLHPKEWPNHR", "ciphertext": "SMNNDTVTFTJNCSHFTRRVUAXNIVFKIIOBZFHUKTCDZNIVNLYCYQEQDDARLVYDNFLHPKEWPNHR", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015489", "text": "BAAB AAAB BBAA BAAA AAAA BAAA AAAA BAAA BBBA BAAA BAAB AAAB AAAA ABAB AABA BAAB BBAA AAAA BAAB AAAB AABB BABB ABBA ABBA BABA AAAB BABA BBAA AAAA BAAB AABA AABA BBAB AAAB AAAB BAAB BBAA ABAA BAAA ABBB AAAA ABAA AAAA ABBA ABAA BAAA AAAA BAAB BABA BABA BAAB BABA BBAB BAAA AAAA BAAA ABAA BABA AAAA AAAA ABBA ABAA ABAB BBAA BBAB BAAA BABA AABA ABAA BAAA ABBA BABB AABA AAAA ABAA AAAA AAAA BBBA AABA AABA ABBA BABA BABA ABBA BABB ABBA ABAA ABAB AAAA BBAA ABAA BAAB AABA BBAA BBAB BAAA AAAA BBAA BAAB AAAA AAAB BABA AAAA BBAB AAAA AAAA AABB BAAA BBBA AAAA ABBA AAAA BBBA ABAB AAAA ABAA AAAB BABA AAAA AAAA ABBB AAAB BBAA BABB AAAA AABA AABB BBBA ABBA ABAA ABBA AAAA BAAB AAAA ABAA BAAA BAAB AABA BABA BBBA ABBA BBAA ABAA BAAB AAAB ABAA AABA BBAB BBAA BABA AABA AAAA BAAB AAAA BBBA AABB BAAB AABA AAAB AAAB AABA BBAA AAAB AAAA ABAA AAAB BABA BBAA AAAA BBAA AABA ABAA ABBA ABAA BAAA ABAB BAAA AABA ABAA ABAA AAAB BABA ABAA BAAB ABBA ABAB AAAB AAAB BAAA ABBA BAAB AAAB BBAA BABB AAAA ABBA BABA BBBA AABB AABA AAAA ABAA BAAB AAAB AAAB BAAB AABA AAAA ABAB AAAB", "ciphertext": "BAAB AAAB BBAA BAAA AAAA BAAA AAAA BAAA BBBA BAAA BAAB AAAB AAAA ABAB AABA BAAB BBAA AAAA BAAB AAAB AABB BABB ABBA ABBA BABA AAAB BABA BBAA AAAA BAAB AABA AABA BBAB AAAB AAAB BAAB BBAA ABAA BAAA ABBB AAAA ABAA AAAA ABBA ABAA BAAA AAAA BAAB BABA BABA BAAB BABA BBAB BAAA AAAA BAAA ABAA BABA AAAA AAAA ABBA ABAA ABAB BBAA BBAB BAAA BABA AABA ABAA BAAA ABBA BABB AABA AAAA ABAA AAAA AAAA BBBA AABA AABA ABBA BABA BABA ABBA BABB ABBA ABAA ABAB AAAA BBAA ABAA BAAB AABA BBAA BBAB BAAA AAAA BBAA BAAB AAAA AAAB BABA AAAA BBAB AAAA AAAA AABB BAAA BBBA AAAA ABBA AAAA BBBA ABAB AAAA ABAA AAAB BABA AAAA AAAA ABBB AAAB BBAA BABB AAAA AABA AABB BBBA ABBA ABAA ABBA AAAA BAAB AAAA ABAA BAAA BAAB AABA BABA BBBA ABBA BBAA ABAA BAAB AAAB ABAA AABA BBAB BBAA BABA AABA AAAA BAAB AAAA BBBA AABB BAAB AABA AAAB AAAB AABA BBAA AAAB AAAA ABAA AAAB BABA BBAA AAAA BBAA AABA ABAA ABBA ABAA BAAA ABAB BAAA AABA ABAA ABAA AAAB BABA ABAA BAAB ABBA ABAB AAAB AAAB BAAA ABBA BAAB AAAB BBAA BABB AAAA ABBA BABA BBBA AABB AABA AAAA ABAA BAAB AAAB AAAB BAAB AABA AAAA ABAB AAAB", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 840, "length": 840, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "adfgx-v2-0212", "text": "AXFAAFGGDXFAAXGXFXDAFXXFDAAAXDGADFXGADFFFADDDDXFFXGADFDGAXDADFADFDGAAADXAFADXXDFGDADGXXAAFGGDFXXDAFXDDADGDGDDDDGDAAGDGFXDGFXGXGADAGAGFAGDFAFAAGGGAFAXDDADGAAADXADFFA", "ciphertext": "AXFAAFGGDXFAAXGXFXDAFXXFDAAAXDGADFXGADFFFADDDDXFFXGADFDGAXDADFADFDGAAADXAFADXXDFGDADGXXAAFGGDFXXDAFXDDADGDGDDDDGDAAGDGFXDGFXGXGADAGAGFAGDFAFAAGGGAFAXDDADGAAADXADFFA", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021944", "text": "GSVER TVMVI VXRKS VIFHV HZIVK VZGRM TPVBD LIWGI ZMHKL HRGRL MXRKS VIHIV ZIIZM TVOVG GVIHD RGSLF GHFYH GRGFG RLMGS VUIRV WNZMG VHGFH VHGSV RMWVC LUXLR MXRWV MXVGL VHGRN ZGVPV BOVMT GS", "ciphertext": "GSVER TVMVI VXRKS VIFHV HZIVK VZGRM TPVBD LIWGI ZMHKL HRGRL MXRKS VIHIV ZIIZM TVOVG GVIHD RGSLF GHFYH GRGFG RLMGS VUIRV WNZMG VHGFH VHGSV RMWVC LUXLR MXRWV MXVGL VHGRN ZGVPV BOVMT GS", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 152, "length": 152, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0017881", "text": "⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a19⟩ ⟨a01⟩ ⟨w32⟩ ⟨w04⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩", "ciphertext": "⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a19⟩ ⟨a01⟩ ⟨w32⟩ ⟨w04⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "medium", "language": "en", "text_length": 38, "length": 38, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-111", "text": "MVDDPVFOTPWGQETYEEFQCMSIOIIPSEKAIOIBGGIVZZEBDYCZPICFGFPNAPGK", "ciphertext": "MVDDPVFOTPWGQETYEEFQCMSIOIIPSEKAIOIBGGIVZZEBDYCZPICFGFPNAPGK", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-505", "text": "NQRIAGVMNOUPQIE", "ciphertext": "NQRIAGVMNOUPQIE", "plaintext": "SILENCE IS GOLDEN", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIGENERE"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v3-0300", "text": "JVZRVSKUADNKMNWPYWIQCQZKYQLLWLFAAPRYKPABZJNDLEYOMQQBOZRPSAIPZWMLNUHZMVWOORVKYCDSDFPBMGXVCTWDHZBOQPYALBBLXCQJVJUEOQKWWNMVYEMWPJUACYDRCMZKWZCDILYNIWWBTWOOATJWBLYPEODKWPP", "ciphertext": "JVZRVSKUADNKMNWPYWIQCQZKYQLLWLFAAPRYKPABZJNDLEYOMQQBOZRPSAIPZWMLNUHZMVWOORVKYCDSDFPBMGXVCTWDHZBOQPYALBBLXCQJVJUEOQKWWNMVYEMWPJUACYDRCMZKWZCDILYNIWWBTWOOATJWBLYPEODKWPP", "plaintext": "WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 167, "length": 167, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009183", "text": "HCTTNYKONIIEPTPNRISPARHROTTTHCOEEWHYOEHTLSLEXRREEIEECXISRCBRDOXCASTRVGMXARNIAEEMXLEOORSFUX", "ciphertext": "HCTTNYKONIIEPTPNRISPARHROTTTHCOEEWHYOEHTLSLEXRREEIEECXISRCBRDOXCASTRVGMXARNIAEEMXLEOORSFUX", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY", "label": "scytale", "cipher": "scytale", "key": {"cols": 10}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "navajo-code-v2-0029", "text": "CLA-GI-AIH WOL-LA-CHEE A-WOH TKIN AH-JAH A-CHIN MOASI DZEH   /   SHUSH GAH YEH-HES A-CHIN AH-TAD KLESH   /   A-KEH-DI-GLINI YEH-HES TLA-GIN A-WOH TLO-CHIN GAH TSAH-AS-ZIH", "ciphertext": "CLA-GI-AIH WOL-LA-CHEE A-WOH TKIN AH-JAH A-CHIN MOASI DZEH   /   SHUSH GAH YEH-HES A-CHIN AH-TAD KLESH   /   A-KEH-DI-GLINI YEH-HES TLA-GIN A-WOH TLO-CHIN GAH TSAH-AS-ZIH", "plaintext": "PATIENCE BRINGS VICTORY", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 140, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-187", "text": "JWBIINXUCPJQYQK", "ciphertext": "JWBIINXUCPJQYQK", "plaintext": "ABORT MISSION NOW", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v2-1430", "text": "NJPFIEZ ELV BFSX QLBVZ WVMJIV QUVLI EVFQUZ QUV YFKLFSQ SVYVI QFZQV EVFQU WHQ JSNV", "ciphertext": "NJPFIEZ ELV BFSX QLBVZ WVMJIV QUVLI EVFQUZ QUV YFKLFSQ SVYVI QFZQV EVFQU WHQ JSNV", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 17, "b": 5}, "difficulty": "beginner", "language": "en", "text_length": 68, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018552", "text": "MYENJRVABXKHHTMHOSLDUQABVMVYYDIATVUWNBALAYLKUHWPILBBLRRGSUGFDHKMVCFRCTPUXLJZRGSIOXKIYMZFENAPPVYWVLSHELAMUIFJSZTTHVFTHZMTCHBMMNJMGZVVEOKEAJWELXDIPOEBAAVYIDUJFMMQNBBGREW", "ciphertext": "MYENJRVABXKHHTMHOSLDUQABVMVYYDIATVUWNBALAYLKUHWPILBBLRRGSUGFDHKMVCFRCTPUXLJZRGSIOXKIYMZFENAPPVYWVLSHELAMUIFJSZTTHVFTHZMTCHBMMNJMGZVVEOKEAJWELXDIPOEBAAVYIDUJFMMQNBBGREW", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE MESSAGE WAS HIDDEN BUT NOT SECURE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 167, "length": 167, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0019049", "text": "OPSEB VSVCW PKZFD WHRPW YREFE EKHBG XHGWW HPQHZ CGEBK OBLOB XKUNX HPLTV UOEXG XIQNC CWDEQ FPYZG MPGGH RJCLS EVNTT YSRKX ZCJ", "ciphertext": "OPSEB VSVCW PKZFD WHRPW YREFE EKHBG XHGWW HPQHZ CGEBK OBLOB XKUNX HPLTV UOEXG XIQNC CWDEQ FPYZG MPGGH RJCLS EVNTT YSRKX ZCJ", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 103, "length": 103, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "venona-pad-reuse-v3-0223", "text": "WWAWLKKBQACLD6", "ciphertext": "WWAWLKKBQACLD6", "plaintext": "THE SIEGE BEGINS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v2-0170", "text": "03 15 23 01 18 04 19 04 09 05 13 01 14 25 20 09 13 05 19 02 05 06 15 18 05 20 08 05 09 18 04 05 01 20 08 19 60 22 01 12 09 01 14 20 14 05 22 05 18 20 01 19 20 05 04 05 01 20 08 02 21 20 15 14 03 05", "ciphertext": "03 15 23 01 18 04 19 04 09 05 13 01 14 25 20 09 13 05 19 02 05 06 15 18 05 20 08 05 09 18 04 05 01 20 08 19 60 22 01 12 09 01 14 20 14 05 22 05 18 20 01 19 20 05 04 05 01 20 08 02 21 20 15 14 03 05", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 132, "length": 197, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-vi-0018", "text": "ETS SFMQA VFM FMNA GL SFA JMPR VGJJ PALAV SFAGP QSPALDSF SFAX VGJJ QMZP ML VGLDQ JGIA AZDJAQ ZLR LMS DPMV SGPAR", "ciphertext": "ETS SFMQA VFM FMNA GL SFA JMPR VGJJ PALAV SFAGP QSPALDSF SFAX VGJJ QMZP ML VGLDQ JGIA AZDJAQ ZLR LMS DPMV SGPAR", "plaintext": "BUT THOSE WHO HOPE IN THE LORD WILL RENEW THEIR STRENGTH THEY WILL SOAR ON WINGS LIKE EAGLES AND NOT GROW TIRED", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ZEBRA"}, "difficulty": "beginner", "language": "en", "text_length": 90, "length": 111, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-069", "text": "YGMMUQLIEKCGCJLPMJREQ", "ciphertext": "YGMMUQLIEKCGCJLPMJREQ", "plaintext": "SUPPLY LINE COMPROMISED", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 13}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018436", "text": "LVECQXNTIRMMVWDCAGEITLORUPIGOHVUKPXUVEWQXWBYCSIRQVS", "ciphertext": "LVECQXNTIRMMVWDCAGEITLORUPIGOHVUKPXUVEWQXWBYCSIRQVS", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 51, "length": 51, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "adfgvx-v3-0256", "text": "VAVGXADGVDVAGFAFFFDDAGADXFFDFVDGGAAGXAVDDGVAFDFDGFXAVDDFXAVFDDXAGAGDDAVAAFDVGDGAGADFGAAFVADVDFGDDADDVDXAXDXAXGXDFAAAAGVAXDXDDDAFVDDDDDVFXDFAAAFDGDXGDGAFDADFFXFAFDGAGAGVFAFXDX", "ciphertext": "VAVGXADGVDVAGFAFFFDDAGADXFFDFVDGGAAGXAVDDGVAFDFDGFXAVDDFXAVFDDXAGAGDDAVAAFDVGDGAGADFGAAFVADVDFGDDADDVDXAXDXAXGXDFAAAAGVAXDXDDDAFVDDDDDVFXDFAAAFDGDXGDGAFDADFFXFAFDGAGAGVFAFXDX", "plaintext": "CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 174, "length": 174, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v3-0058", "text": "- .... . / .-.. .. --. .... - / -.-- --- ..- / ... . . / ..-. .-. --- -- / -.. .. ... - .- -. - / ... - .- .-. ... / .-.. . ..-. - / - .... --- ... . / ... ..- -. ... / - .... --- ..- ... .- -. -.. ... / --- ..-. / -.-- . .- .-. ... / -... . ..-. --- .-. . / -.-- --- ..- .-. / -... .. .-. - ....", "ciphertext": "- .... . / .-.. .. --. .... - / -.-- --- ..- / ... . . / ..-. .-. --- -- / -.. .. ... - .- -. - / ... - .- .-. ... / .-.. . ..-. - / - .... --- ... . / ... ..- -. ... / - .... --- ..- ... .- -. -.. ... / --- ..-. / -.-- . .- .-. ... / -... . ..-. --- .-. . / -.-- --- ..- .-. / -... .. .-. - ....", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 208, "length": 296, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0014", "text": "GEDYEGQZCUHSQVRULT", "ciphertext": "GEDYEGQZCUHSQVRULT", "plaintext": "LOWER THE DRAWBRIDGE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ABC"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0368", "text": "TPEDIEISCAST", "ciphertext": "TPEDIEISCAST", "plaintext": "THE DIE IS CAST", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0436", "text": "IRZZVZVGALJNMPORTMBGMNPQBSQTKVPWSKGAGWJVKAHEZQGAMNLRHGGTJAXSRVZWGIFD", "ciphertext": "IRZZVZVGALJNMPORTMBGMNPQBSQTKVPWSKGAGWJVKAHEZQGAMNLRHGGTJAXSRVZWGIFD", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0128", "text": "NLRTELCAJUSTOADASTRMYAD", "ciphertext": "NLRTELCAJUSTOADASTRMYAD", "plaintext": "CARTHAGE MUST BE DESTROYED", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v2-0051", "text": "RAUADEIFESOSSTVRSICFFEHIERIDMNSEEOAHMLRNCTDTENHEAITCLONEEETNDETXPICYRSNDHOHERENRX", "ciphertext": "RAUADEIFESOSSTVRSICFFEHIERIDMNSEEOAHMLRNCTDTENHEAITCLONEEETNDETXPICYRSNDHOHERENRX", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "morse-code-v2-0109", "text": ".-- . / - .... . .-. . ..-. --- .-. . / - .... . / .-. . .--. .-. . ... . -. - .- - .. ...- . ... / --- ..-. / - .... . / ..- -. .. - . -.. / ... - .- - . ... / --- ..-. / .- -- . .-. .. -.-. .- / .. -. / --. . -. . .-. .- .-.. / -.-. --- -. --. .-. . ... ... / .- ... ... . -- -... .-.. . -.. / .- .--. .--. . .- .-.. .. -. --. / - --- / - .... . / ... ..- .--. .-. . -- . / .--- ..- -.. --. . / --- ..-. / - .... . / .-- --- .-. .-.. -.. / ..-. --- .-. / - .... . / .-. . -.-. - .. - ..- -.. . / --- ..-. / --- ..- .-. / .. -. - . -. - .. --- -. ... / -.. --- / ... --- .-.. . -- -. .-.. -.-- / .--. ..- -... .-.. .. ... ....", "ciphertext": ".-- . / - .... . .-. . ..-. --- .-. . / - .... . / .-. . .--. .-. . ... . -. - .- - .. ...- . ... / --- ..-. / - .... . / ..- -. .. - . -.. / ... - .- - . ... / --- ..-. / .- -- . .-. .. -.-. .- / .. -. / --. . -. . .-. .- .-.. / -.-. --- -. --. .-. . ... ... / .- ... ... . -- -... .-.. . -.. / .- .--. .--. . .- .-.. .. -. --. / - --- / - .... . / ... ..- .--. .-. . -- . / .--- ..- -.. --. . / --- ..-. / - .... . / .-- --- .-. .-.. -.. / ..-. --- .-. / - .... . / .-. . -.-. - .. - ..- -.. . / --- ..-. / --- ..- .-. / .. -. - . -. - .. --- -. ... / -.. --- / ... --- .-.. . -- -. .-.. -.-- / .--. ..- -... .-.. .. ... ....", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 434, "length": 627, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0359", "text": "H0 L0 N1 Y0 H3 M4 A1 V7 U8 K2 S9 G2 V6 C5 U0 U2 S9 R9 B9 E6 J3 O4 P6 V2 N4 N2 J0 Y0 H0 F9 K5 W4 D8 V7 T2 I0 Y2 Q6 J0 V2 W6 A6 N6 I2 V7 W2 W4 A1 J9 V0 R0 D0 T2 M4 Q6 J9 H9 U1 K6 V3 W5 V0 E6 K6 Q5 V8 I5 F9 W2 A3 N2 K6 J8 Q6 W5 M4 S6 W9 U0 R7 X4 D0 S9 G1 A4 I0 U2 Y0 V0 O9 F7 K6 A7 G2 S6 G2 A4 J8 D3 A6 O0 G2 V0 O2 H9 U9 B9 Z2 J3 Q6 Z2 C1 C7 A4 K8 M7 N2 K6 K8 R0 F5 O7 F7 A2 G1 U6 E0 M8 K2 Y2 Q5 M4 G3 V4 D6 H9 V4 G2 U2 E5 P9 D3 A2", "ciphertext": "H0 L0 N1 Y0 H3 M4 A1 V7 U8 K2 S9 G2 V6 C5 U0 U2 S9 R9 B9 E6 J3 O4 P6 V2 N4 N2 J0 Y0 H0 F9 K5 W4 D8 V7 T2 I0 Y2 Q6 J0 V2 W6 A6 N6 I2 V7 W2 W4 A1 J9 V0 R0 D0 T2 M4 Q6 J9 H9 U1 K6 V3 W5 V0 E6 K6 Q5 V8 I5 F9 W2 A3 N2 K6 J8 Q6 W5 M4 S6 W9 U0 R7 X4 D0 S9 G1 A4 I0 U2 Y0 V0 O9 F7 K6 A7 G2 S6 G2 A4 J8 D3 A6 O0 G2 V0 O2 H9 U9 B9 Z2 J3 Q6 Z2 C1 C7 A4 K8 M7 N2 K6 K8 R0 F5 O7 F7 A2 G1 U6 E0 M8 K2 Y2 Q5 M4 G3 V4 D6 H9 V4 G2 U2 E5 P9 D3 A2", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 286, "length": 428, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0017783", "text": "800 999 836 842 810 814 834 999 806 800 840 999 806 835 801 856 854 825 815 874 999 845 801 859 859 812 852 839 856 999 805 860 859 999 826 858 999 807 800 839 999 800 835 854 843 999 804 814 999 866 851 842 840 819 999 858 822 813 999 817 844 862 853 999 854 849 862 800 853 812 999 808 824 847 822 813 853 999 862 855 813 855 999 859 867 844 999 830 814 874 866 842 852 811 999 845 844 833 874 804 826 861 854 999 856 849 862 800 853 812 854 999", "ciphertext": "800 999 836 842 810 814 834 999 806 800 840 999 806 835 801 856 854 825 815 874 999 845 801 859 859 812 852 839 856 999 805 860 859 999 826 858 999 807 800 839 999 800 835 854 843 999 804 814 999 866 851 842 840 819 999 858 822 813 999 817 844 862 853 999 854 849 862 800 853 812 999 808 824 847 822 813 853 999 862 855 813 855 999 859 867 844 999 830 814 874 866 842 852 811 999 845 844 833 874 804 826 861 854 999 856 849 862 800 853 812 854 999", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "playfair-v3-0068", "text": "OCYRIORLYROHLAACLHLCCLKGKOUQNQAHUGLULKLHKUEPUGCROUAFTUOHACCKCUQMTYOHKQALUGXL", "ciphertext": "OCYRIORLYROHLAACLHLCCLKGKOUQNQAHUGLULKLHKUEPUGCROUAFTUOHACCKCUQMTYOHKQALUGXL", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007437", "text": "TIGUE NRMMW MPOVD WUIOK COAPR DXUKQ EEONH JQAMG HTHEV HHJPZ MMFVU HSGLB ALKEU BBLYK ZXHXN VNSIP PFSQA TVJBE DNBHF FKBND KKPDA EUFSQ ATVBS YWRMD HUWKN CAACS EDVLZ JYACM SPECO IJVJG MWACM QENCN MSMJT JSXE", "ciphertext": "TIGUE NRMMW MPOVD WUIOK COAPR DXUKQ EEONH JQAMG HTHEV HHJPZ MMFVU HSGLB ALKEU BBLYK ZXHXN VNSIP PFSQA TVJBE DNBHF FKBND KKPDA EUFSQ ATVBS YWRMD HUWKN CAACS EDVLZ JYACM SPECO IJVJG MWACM QENCN MSMJT JSXE", "plaintext": "THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 169, "length": 169, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0019964", "text": "12.47.13 8.8.10 4.21.5 10.39.12 18.45.12 4.41.2 18.18.11 15.49.12 17.6.7 5.3.4 13.13.9 10.41.5 6.50.8 8.34.4 6.7.12 4.15.3 13.13.8 3.3.13 2.46.13 15.4.12 12.14.15 9.15.7 12.26.8 12.45.12 12.2.1 13.3.7 18.14.4 14.7.5 14.18.6 15.3.3 15.12.12 1.19.10 17.19.7 20.40.1 20.9.1 10.10.2 9.45.1 15.1.13 14.39.12 18.48.4 16.27.4 14.49.2 12.43.1 8.16.4 13.14.10 12.33.12 17.41.13 5.42.14 8.38.15 8.26.1 7.43.7 13.43.10 19.11.7 6.38.5 5.44.12 7.40.8 3.28.11 18.31.1 10.50.12 18.30.2 20.37.3 5.12.10 8.12.2 7.6.7 2.50.11 2.26.12 19.48.8 10.5.3 10.45.7 6.46.4 18.16.15 13.33.2 1.25.4 13.44.4 6.16.10 20.32.6 3.34.4 1.20.5 10.40.2 8.49.10 9.44.3 6.15.13 5.29.5 9.29.7 13.3.12 2.27.6 5.24.6 17.25.2 16.49.10 2.3.4 4.10.4 18.34.7 16.24.3 2.41.11 15.13.5 13.48.7 17.2.15 8.4.10 15.1.7", "ciphertext": "12.47.13 8.8.10 4.21.5 10.39.12 18.45.12 4.41.2 18.18.11 15.49.12 17.6.7 5.3.4 13.13.9 10.41.5 6.50.8 8.34.4 6.7.12 4.15.3 13.13.8 3.3.13 2.46.13 15.4.12 12.14.15 9.15.7 12.26.8 12.45.12 12.2.1 13.3.7 18.14.4 14.7.5 14.18.6 15.3.3 15.12.12 1.19.10 17.19.7 20.40.1 20.9.1 10.10.2 9.45.1 15.1.13 14.39.12 18.48.4 16.27.4 14.49.2 12.43.1 8.16.4 13.14.10 12.33.12 17.41.13 5.42.14 8.38.15 8.26.1 7.43.7 13.43.10 19.11.7 6.38.5 5.44.12 7.40.8 3.28.11 18.31.1 10.50.12 18.30.2 20.37.3 5.12.10 8.12.2 7.6.7 2.50.11 2.26.12 19.48.8 10.5.3 10.45.7 6.46.4 18.16.15 13.33.2 1.25.4 13.44.4 6.16.10 20.32.6 3.34.4 1.20.5 10.40.2 8.49.10 9.44.3 6.15.13 5.29.5 9.29.7 13.3.12 2.27.6 5.24.6 17.25.2 16.49.10 2.3.4 4.10.4 18.34.7 16.24.3 2.41.11 15.13.5 13.48.7 17.2.15 8.4.10 15.1.7", "plaintext": "THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-044", "text": "528529541097629762250974016341255240295860233310422125521982984028862128365", "ciphertext": "528529541097629762250974016341255240295860233310422125521982984028862128365", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "ATONESIRE"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-v3-0151", "text": "ZQEYUYGRRPCRGCTHLBFISSTGMFHSYVZWXPYCABBHKMMKGXIKJWHIOMMIASDRWWXPGCLJAFYOVXAKYDRSZFOUOKOQ", "ciphertext": "ZQEYUYGRRPCRGCTHLBFISSTGMFHSYVZWXPYCABBHKMMKGXIKJWHIOMMIASDRWWXPGCLJAFYOVXAKYDRSZFOUOKOQ", "plaintext": "IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003945", "text": "TTHEA SEHHT PCCIT LLEUT OGHEO MRADA RILIR RETYC DERCE CUIDR TBEOA PYSRA TTIRE LATLS ESHEE NYHPO SNHIE NMARU DURHE TPSFE TFSEE VSSAI CRMSC IABOT ARSLI ODEPB KMHEA EAFLY SHIEP EMUES AEISI SKHET PTIER NATUS TTTFN X", "ciphertext": "TTHEA SEHHT PCCIT LLEUT OGHEO MRADA RILIR RETYC DERCE CUIDR TBEOA PYSRA TTIRE LATLS ESHEE NYHPO SNHIE NMARU DURHE TPSFE TFSEE VSSAI CRMSC IABOT ARSLI ODEPB KMHEA EAFLY SHIEP EMUES AEISI SKHET PTIER NATUS TTTFN X", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "scytale", "cipher": "scytale", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 176, "length": 176, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "polybius-v2-0013", "text": "43 44 11 54 44 23 15 13 34 45 42 43 15", "ciphertext": "43 44 11 54 44 23 15 13 34 45 42 43 15", "plaintext": "STAY THE COURSE", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0161", "text": "FKCMDWATRUST", "ciphertext": "FKCMDWATRUST", "plaintext": "IN GOD WE TRUST", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-049", "text": "LQBASMQPKLPEALWBJWLKXBMJZMNVPRGWZKXANKULSODSAOXQKUZSVQA", "ciphertext": "LQBASMQPKLPEALWBJWLKXBMJZMNVPRGWZKXANKULSODSAOXQKUZSVQA", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "HAGELIN"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018192", "text": "⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a19⟩ ⟨a01⟩ ⟨w32⟩ ⟨w04⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "ciphertext": "⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a19⟩ ⟨a01⟩ ⟨w32⟩ ⟨w04⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w40⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩", "plaintext": "OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 182, "length": 182, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "rail-fence-v2-0125", "text": "TEITVGEEDEADANRHHRVNNOAEINMNVRENRSLBNNMIEFUIEPOIVAINNSOOCOFRUPELLAUENKOTEGIFXEYNOTSLNLFIDMENYESLREORNSRCLSNBEBUOUAAOVNBRTSSDLDDRTEETOITDADRRSDTREUESIGWRSNUBWCAUENEEOHRNOANO", "ciphertext": "TEITVGEEDEADANRHHRVNNOAEINMNVRENRSLBNNMIEFUIEPOIVAINNSOOCOFRUPELLAUENKOTEGIFXEYNOTSLNLFIDMENYESLREORNSRCLSNBEBUOUAAOVNBRTSSDLDDRTEETOITDADRRSDTREUESIGWRSNUBWCAUENEEOHRNOANO", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0117", "text": "QXSIMYHLKXTZGWGD", "ciphertext": "QXSIMYHLKXTZGWGD", "plaintext": "ABORT AND WITHDRAW", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0940", "text": "CPGPVAXUAOMZMXOEABSWLVMFFBEXARKMRRTUKBWHOXCBAKIHYIZLJLJVVZDLDZFMPZJN", "ciphertext": "CPGPVAXUAOMZMXOEABSWLVMFFBEXARKMRRTUKBWHOXCBAKIHYIZLJLJVVZDLDZFMPZJN", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 17}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007150", "text": "QNOFFVNON QWCUREF GSOPU JVL ZBQREA FSQHEVGL ZOGGNEF", "ciphertext": "QNOFFVNON QWCUREF GSOPU JVL ZBQREA FSQHEVGL ZOGGNEF", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "porta", "cipher": "porta", "key": {"key": "JUSTICE"}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "purple-v2-0043", "text": "KMMLXDQOUJATNDXGWLBYDXOOXSADERDFHIWYEJHDQECOBGECZPCKMHD", "ciphertext": "KMMLXDQOUJATNDXGWLBYDXOOXSADERDFHIWYEJHDQECOBGECZPCKMHD", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v2-0141", "text": "FPFKKEFVBWKAUVSO", "ciphertext": "FPFKKEFVBWKAUVSO", "plaintext": "ABORT AND WITHDRAW", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "stager-route-v3-0037", "text": "TOSXPHEEXXRTEEXXVLEEXXASCLX", "ciphertext": "TOSXPHEEXXRTEEXXVLEEXXASCLX", "plaintext": "THE TELESCOPE REVEALS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "expert", "language": "en", "text_length": 27, "length": 27, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018011", "text": "52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61", "ciphertext": "52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "columnar-transposition-456", "text": "AOTAEMLRWSDMOEEEANEWRYTDETNMLLRALNEYSHSAHDEALLGLANP", "ciphertext": "AOTAEMLRWSDMOEEEANEWRYTDETNMLLRALNEYSHSAHDEALLGLANP", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CRYPTIC"}, "difficulty": "intermediate", "language": "en", "text_length": 51, "length": 51, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v3-0615", "text": "FLSYNOXDDARWNOMMHLRSDYTYQALYLSAGHOLYYOSONVHGYQYDOCXHDXRGYFYNLSXDDAWDGHWLRLAYNOMGHJSYLNOTGSMWSTYYAOSLEHLSFMGHOPHLNXHTGSMYAOXYBIDARMYQMATYIDOPIALOHXHOTYYTGSFFNOOSMLMMHLXYVGA", "ciphertext": "FLSYNOXDDARWNOMMHLRSDYTYQALYLSAGHOLYYOSONVHGYQYDOCXHDXRGYFYNLSXDDAWDGHWLRLAYNOMGHJSYLNOTGSMWSTYYAOSLEHLSFMGHOPHLNXHTGSMYAOXYBIDARMYQMATYIDOPIALOHXHOTYYTGSFFNOOSMLMMHLXYVGA", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-049", "text": "KIEAWJFFHXKIEAXRAKPPBPUBCPJPBPWKAIRAXRAQBPPBBIEAESNPVXRAWPVVL", "ciphertext": "KIEAWJFFHXKIEAXRAKPPBPUBCPJPBPWKAIRAXRAQBPPBBIEAESNPVXRAWPVVL", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "ROUNDTABLE"}, "difficulty": "advanced", "language": "en", "text_length": 61, "length": 61, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v3-0566", "text": "MOYSDGKHYSEREIL", "ciphertext": "MOYSDGKHYSEREIL", "plaintext": "THE FACTORY ROARS", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "THUNDER"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0140", "text": "BAIPLQGBAUCCSJOHUW", "ciphertext": "BAIPLQGBAUCCSJOHUW", "plaintext": "GRAVITY EXPLAINS ALL", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012928", "text": "80 48 3 87 80 94 76 46 46 43 63 34 66 70 21 59 63 96 48 43 27 92 11 60 88 33 11 92 43 91 33 4 4 14 11 68 67 33 50 48 21 14 34 23 22 79 33 70 66 61 33 70 23 40 92 80 81 26 86 50 82 96 57 72 58 49 91 17 40 60 78 45 43 36 32 82 58 33 35 59 63 17 33 58 23 99 87 3 41 63 60 50 62 59 24 58 27 63 94 11 78 49 91 88 68 86 45 63 26 30 92 67 66 32 11 27 96 63 94 82 67 33 25 43 67 48 2 14 46 72 58 68 66 43 68 17 48 3 23 35 49 63 34 72 35 82 30 26 46 79 49 24 48 15 22 34 23 82 15 62 62 23 87 58 92 63 91 43 49 68 11 48 96 46", "ciphertext": "80 48 3 87 80 94 76 46 46 43 63 34 66 70 21 59 63 96 48 43 27 92 11 60 88 33 11 92 43 91 33 4 4 14 11 68 67 33 50 48 21 14 34 23 22 79 33 70 66 61 33 70 23 40 92 80 81 26 86 50 82 96 57 72 58 49 91 17 40 60 78 45 43 36 32 82 58 33 35 59 63 17 33 58 23 99 87 3 41 63 60 50 62 59 24 58 27 63 94 11 78 49 91 88 68 86 45 63 26 30 92 67 66 32 11 27 96 63 94 82 67 33 25 43 67 48 2 14 46 72 58 68 66 43 68 17 48 3 23 35 49 63 34 72 35 82 30 26 46 79 49 24 48 15 22 34 23 82 15 62 62 23 87 58 92 63 91 43 49 68 11 48 96 46", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "cda-0013425", "text": "K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· ┐· L L ┌· ┌· L K· Γ· L ⌒ ⌐ ─ Γ ┌· L ┐· ┌· ┘· Γ X· r Γ· ¬ Γ· └ Γ· K ⌒· ┌ ⌐ K K L ┌· Γ· ─ ┌· L X L ⌐ ┌· r r· ⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌·", "ciphertext": "K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· ┐· L L ┌· ┌· L K· Γ· L ⌒ ⌐ ─ Γ ┌· L ┐· ┌· ┘· Γ X· r Γ· ¬ Γ· └ Γ· K ⌒· ┌ ⌐ K K L ┌· Γ· ─ ┌· L X L ⌐ ┌· r r· ⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌·", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 63, "length": 63, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0009151", "text": "AOCIJ NTLKR ZSQEO EFCAX MVHFL DASHX RHZPW WDZQN QWBVL MYMCL MCEEW FEYOV VJVEA BZHUO HEUDJ QFDIS NLQNZ ZICLL EUSCS FVXMW UOCUE SULRL ZOMJV ATNPT JGMUF DYFLE RBUWV ZIACA OOQFS GLVKV UMACS KDFUL KS", "ciphertext": "AOCIJ NTLKR ZSQEO EFCAX MVHFL DASHX RHZPW WDZQN QWBVL MYMCL MCEEW FEYOV VJVEA BZHUO HEUDJ QFDIS NLQNZ ZICLL EUSCS FVXMW UOCUE SULRL ZOMJV ATNPT JGMUF DYFLE RBUWV ZIACA OOQFS GLVKV UMACS KDFUL KS", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS ATBASH ENCODES BY REVERSING THE ALPHABET PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 162, "length": 162, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "red-type-a-v2-0170", "text": "FUNEXPNJOUNIHEZEZUGXUPESACFYENKUETCRMGURIDAYRRHUVUQJICHAVYYCFHIHIZPU", "ciphertext": "FUNEXPNJOUNIHEZEZUGXUPESACFYENKUETCRMGURIDAYRRHUVUQJICHAVYYCFHIHIZPU", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "YAMATO"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-191", "text": "GOKUIQFJZJCZW", "ciphertext": "GOKUIQFJZJCZW", "plaintext": "CHANGE OF PLANS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "RMS"}, "difficulty": "expert", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-155", "text": "YCDMJLPDQVBNEIENICUBIRQXVGOMCPSTYHTPKXEFUK", "ciphertext": "YCDMJLPDQVBNEIENICUBIRQXVGOMCPSTYHTPKXEFUK", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-061", "text": "PKXMOTURJCQF", "ciphertext": "PKXMOTURJCQF", "plaintext": "ATTACK AT DAWN", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "XYZ"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryha-v3-0268", "text": "CTFYIAPYQJKADSXQFHIQEWVBNVDBVSIOQIZRBCYRKBDRPSFDUPBVEYWAGBDDDNSSZQIESZMGBT", "ciphertext": "CTFYIAPYQJKADSXQFHIQEWVBNVDBVSIOQIZRBCYRKBDRPSFDUPBVEYWAGBDDDNSSZQIESZMGBT", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-017", "text": "OUGYONUFZXOMXWA", "ciphertext": "OUGYONUFZXOMXWA", "plaintext": "MEET AT THE OLD OAK", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "M94"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v2-0333", "text": "N4 I0 C7 U8 J3 U0 P6 O7 A4 L0 S9 B9 E7 P5 V4 G3 U1 U6 B9 I5 A6 D3 J9 G2 Y2 B9 D3 C7 Q6 K6 D3 G3 D8 O7 W6 E3 T4 I4 G3 D8 R7 Z2 A4 A2 J4 D6 G3 C7 A1 N6 E6 J4 G1 B8 M4 A4 U8 S9 O7 U1 H0 A4 F1 D0 I5 E5 J0 D0 P3 O9 F7 K6 E1 P5 V7 O2 J6 Y2 U2 T2 H3", "ciphertext": "N4 I0 C7 U8 J3 U0 P6 O7 A4 L0 S9 B9 E7 P5 V4 G3 U1 U6 B9 I5 A6 D3 J9 G2 Y2 B9 D3 C7 Q6 K6 D3 G3 D8 O7 W6 E3 T4 I4 G3 D8 R7 Z2 A4 A2 J4 D6 G3 C7 A1 N6 E6 J4 G1 B8 M4 A4 U8 S9 O7 U1 H0 A4 F1 D0 I5 E5 J0 D0 P3 O9 F7 K6 E1 P5 V7 O2 J6 Y2 U2 T2 H3", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 162, "length": 242, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v3-0389", "text": "OKRDHGTRFYBALALERKHTHQBQXWVBVTIQJZVKHDTVRTBWBFOEBAVINTLPVKBVTZALSDEDGABBWBGHMMILGGVWWRPG", "ciphertext": "OKRDHGTRFYBALALERKHTHQBQXWVBVTIQJZVKHDTVRTBWBFOEBAVINTLPVKBVTZALSDEDGABBWBGHMMILGGVWWRPG", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0012", "text": "45 66 44 75 72 32 51 57 71 13 65 23 36 25 66 44 41 22 69", "ciphertext": "45 66 44 75 72 32 51 57 71 13 65 23 36 25 66 44 41 22 69", "plaintext": "MISSION ACCOMPLISHED", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0418", "text": "EVUASVLKZUDMIWNPSC", "ciphertext": "EVUASVLKZUDMIWNPSC", "plaintext": "CROSS THE RUBICON NOW", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "24680"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0424", "text": "DYPKKGZWGRBCTCFISXXOFWOXWIXWSQWVHKVKPAEGRTGHCLSGWNDMLEOOWBWVARJI", "ciphertext": "DYPKKGZWGRBCTCFISXXOFWOXWIXWSQWVHKVKPAEGRTGHCLSGWNDMLEOOWBWVARJI", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013847", "text": "87 3 92 63 68 76 57 3 2 63 17 41 58 23 78 82 34 62 11 63 27 60 93 48 15 21 33 27 15 64 21 1 3 23 61 32 39 60 17 59 70 80 59 70 57 48 81 68 58 26 63 92 40 48 82 50 14 3 23 50 14 70 87 23 34 25 1 49 99 68 41 59 99 27 52 93 50 60 34 49 67 32 25 66 72 15", "ciphertext": "87 3 92 63 68 76 57 3 2 63 17 41 58 23 78 82 34 62 11 63 27 60 93 48 15 21 33 27 15 64 21 1 3 23 61 32 39 60 17 59 70 80 59 70 57 48 81 68 58 26 63 92 40 48 82 50 14 3 23 50 14 70 87 23 34 25 1 49 99 68 41 59 99 27 52 93 50 60 34 49 67 32 25 66 72 15", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "porta-v2-0685", "text": "UETLJZAHEBORKADPENVIPNLHMKRGQWKFUGSICHZSMGHKUHHKGZHHLRBORCNMPAMUWYNLGNLBBRM", "ciphertext": "UETLJZAHEBORKADPENVIPNLHMKRGQWKFUGSICHZSMGHKUHHKGZHHLRBORCNMPAMUWYNLGNLBBRM", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PAPAL"}, "difficulty": "intermediate", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-099", "text": "PPPQFNRAWTSOPBCQDTBDCIPPBHPTENUYRTTWIDGYUIUBFCQYTVIQWKGGN", "ciphertext": "PPPQFNRAWTSOPBCQDTBDCIPPBHPTENUYRTTWIDGYUIUBFCQYTVIQWKGGN", "plaintext": "ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "enigma-v3-0156", "text": "ONDJZVCVHMVMOSTYMNKEFOQVLORYEKPRCBOSPQSNEWZOZODBSMNGFRMNSAMYNTTNHFEUNFBRV", "ciphertext": "ONDJZVCVHMVMOSTYMNKEFOQVLORYEKPRCBOSPQSNEWZOZODBSMNGFRMNSAMYNTTNHFEUNFBRV", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DEF"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010751", "text": "DKETE YLIER FDMAG TNEHF RICTS SXXST MOATI STENI MA", "ciphertext": "DKETE YLIER FDMAG TNEHF RICTS SXXST MOATI STENI MA", "plaintext": "FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "LIBERTY", "key2": "DRAGON"}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "geheimschreiber-v3-0411", "text": "BGXXRTXPSOQBHDTSETDRSBCMBPUZDOBRJAFTRBSYUZDHCADMILDYKSVIEBYCNHVTHKUTJOHIOSRPLJLLEIIWGRZHSGZHYVBMCABTCYCWUAZQJXRPIRKZOHMALXMABSGZRDMPMFKMHPWIXWIKKZXTGAGYIDXIEBFKGGQXUKRNXF", "ciphertext": "BGXXRTXPSOQBHDTSETDRSBCMBPUZDOBRJAFTRBSYUZDHCADMILDYKSVIEBYCNHVTHKUTJOHIOSRPLJLLEIIWGRZHSGZHYVBMCABTCYCWUAZQJXRPIRKZOHMALXMABSGZRDMPMFKMHPWIXWIKKZXTGAGYIDXIEBFKGGQXUKRNXF", "plaintext": "SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014655", "text": "Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X", "ciphertext": "Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X", "plaintext": "DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 39, "length": 39, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "jn25-v2-0223", "text": "09910 09993 09902 09903 09902 09999 09906 09993 09910 09993 09999 09900 09993 09992 09908 09996 09999 09908 09902 09919 09901 09993 09906 09903 09919 09907 09907 09903 09910 09997 09993 09908 09999 09995 09993 09902 09908 09907 09996 09999 09992 09904 09993 09902 09993 09908 09906 09999 09908 09993 09992 09908 09996 09993 09996 09997 09995 09996 09993 09907 09908 09900 09993 09910 09993 09900 09907 09903 09994 09908 09996 09993 09919 09907 09995 09903 09910 09993 09906 09902 09901 09993 09902 09908", "ciphertext": "09910 09993 09902 09903 09902 09999 09906 09993 09910 09993 09999 09900 09993 09992 09908 09996 09999 09908 09902 09919 09901 09993 09906 09903 09919 09907 09907 09903 09910 09997 09993 09908 09999 09995 09993 09902 09908 09907 09996 09999 09992 09904 09993 09902 09993 09908 09906 09999 09908 09993 09992 09908 09996 09993 09996 09997 09995 09996 09993 09907 09908 09900 09993 09910 09993 09900 09907 09903 09994 09908 09996 09993 09919 09907 09995 09903 09910 09993 09906 09902 09901 09993 09902 09908", "plaintext": "VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "99999"}, "difficulty": "expert", "language": "en", "text_length": 420, "length": 503, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-089", "text": "NZQMNRKJNLWRGTXW", "ciphertext": "NZQMNRKJNLWRGTXW", "plaintext": "LOCK DOWN ALL GATES", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v2-0232", "text": "YMQNMSHYTJWVDUCQQCFLQT", "ciphertext": "YMQNMSHYTJWVDUCQQCFLQT", "plaintext": "EXTRACTION POINT CHANGED", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0017", "text": "NLAAWXVSUAOTTDTGWEL", "ciphertext": "NLAAWXVSUAOTTDTGWEL", "plaintext": "CODED MESSAGE FOLLOWS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0126", "text": "IAIUXRXQMRAQZKWAKQUKAZLHCIBLUPQMAALLOWQORBQRLAOYKYZDLJQTNQZJJDBTVLXVMKLUBATPLJLXAOOZLLWBJOFQMJVTWKDMNOHUAZWOMKWBBOTSNQAAZAPJZNLOQOLAIVZZBQAKCRGARZFMXCRZLZBJLAJWYBSAJMUOZLPAUVZZNJF", "ciphertext": "IAIUXRXQMRAQZKWAKQUKAZLHCIBLUPQMAALLOWQORBQRLAOYKYZDLJQTNQZJJDBTVLXVMKLUBATPLJLXAOOZLLWBJOFQMJVTWKDMNOHUAZWOMKWBBOTSNQAAZAPJZNLOQOLAIVZZBQAKCRGARZFMXCRZLZBJLAJWYBSAJMUOZLPAUVZZNJF", "plaintext": "WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012740", "text": "DEJJUYKMGECKFSROXYYJXDVGNDMVYAUVHHAHZBXBCFRDCCVOTYYCNBLQEWYBPSGYIWNKSTIGACVZPDLKUEDWEGCMVXGM", "ciphertext": "DEJJUYKMGECKFSROXYYJXDVGNDMVYAUVHHAHZBXBCFRDCCVOTYYCNBLQEWYBPSGYIWNKSTIGACVZPDLKUEDWEGCMVXGM", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 92, "length": 92, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v2-0188", "text": "YALPZFULAEKQZLTWLVULAZHLWYBHPWNGALQMKOXATQPTMHRKJVVTXVIRCPSLNLVWTZQLBTWHWTXVJ", "ciphertext": "YALPZFULAEKQZLTWLVULAZHLWYBHPWNGALQMKOXATQPTMHRKJVVTXVIRCPSLNLVWTZQLBTWHWTXVJ", "plaintext": "THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0248", "text": "DGAFFAFGADDGFXDDDAXDFADGDGFAADFFXGAXFFDAAGFFFDGFDFGFDGDFADFXGDAAAAAGFAADFGDGDDGAAGAGDDDFFAAAGDAADAXGXFFGDDDADGAFXDXDAAFDADGDXFFADDAXFDDFXXAXDFDDDFDA", "ciphertext": "DGAFFAFGADDGFXDDDAXDFADGDGFAADFFXGAXFFDAAGFFFDGFDFGFDGDFADFXGDAAAAAGFAADFGDGDDGAAGAGDDDFFAAAGDAADAXGXFFGDDDADGAFXDXDAAFDADGDXFFADDAXFDDFXXAXDFDDDFDA", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0290", "text": "KZHXUJJXBWOQGATGUNSIGG", "ciphertext": "KZHXUJJXBWOQGATGUNSIGG", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-v3-0389", "text": "OODTTUEDVTCEOWSF", "ciphertext": "OODTTUEDVTCEOWSF", "plaintext": "RENDER UNTO CAESAR", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v3-0725", "text": "JOVKJTFXHSUFGQYIDGQYVSALXBBEQJXUQQXZOVKJTJBHIUIGZTSLQIHPQGUSJDWVLBMKOJPBPGPFQNHWJOVRFVOKINFEVKJPSARKHSCYNUBVLTOUJDYFYROFJOGGGPUJWMFGCOQPGCSUMFUDSEUJHTSCKWXPGROFOFVV", "ciphertext": "JOVKJTFXHSUFGQYIDGQYVSALXBBEQJXUQQXZOVKJTJBHIUIGZTSLQIHPQGUSJDWVLBMKOJPBPGPFQNHWJOVRFVOKINFEVKJPSARKHSCYNUBVLTOUJDYFYROFJOGGGPUJWMFGCOQPGCSUMFUDSEUJHTSCKWXPGROFOFVV", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11235"}, "difficulty": "intermediate", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0225", "text": "GGFGAGDAADGGAXDFAAAGAFXFGFAFAAGGDGFXXDADAFDFDDAGAAGDGGDFFGGFFFDADDFGDAGGAAGFADGXGGGAGXDXAAGGADFDGAADFAFXFADDFAFDDXFXFFXGXFDXAGDAXDXADAFGFFADGAFAFAAFDFAGDXGGDFGAAGDAFGDGFXGAAXDAAFDDGAFXAGAXAXDADDXDXDFAAAXAGXDDAAAGAAFAXFGDDADXFFAGGGAFAAXAADAFAAFXAGGGDGGFAGAGAFGGDADFGDAXAFFDDAAFAAGXXXAFAFGGADAGDDDGAAAADADXXAFAADDAAADAFAAAAXAFFXDDGXDGAXDAAX", "ciphertext": "GGFGAGDAADGGAXDFAAAGAFXFGFAFAAGGDGFXXDADAFDFDDAGAAGDGGDFFGGFFFDADDFGDAGGAAGFADGXGGGAGXDXAAGGADFDGAADFAFXFADDFAFDDXFXFFXGXFDXAGDAXDXADAFGFFADGAFAFAAFDFAGDXGGDFGAAGDAFGDGFXGAAXDAAFDDGAFXAGAXAXDADDXDXDFAAAXAGXDDAAAGAAFAXFGDDADXFFAGGGAFAAXAADAFAAFXAGGGDGGFAGAGAFGGDADFGDAXAFFDDAAFAAGXXXAFAFGGADAGDDDGAAAADADXXAFAADDAAADAFAAAAXAFFXDDGXDGAXDAAX", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 338, "length": 338, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-v2-0047", "text": "DKUDQXDGGRZHZGCPYIGUWYLGPEFBGCHNAJVXZALMEIHVFABAYVZOLZQQRWRENRAFWD", "ciphertext": "DKUDQXDGGRZHZGCPYIGUWYLGPEFBGCHNAJVXZALMEIHVFABAYVZOLZQQRWRENRAFWD", "plaintext": "WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 66, "length": 66, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "navajo-code-v3-0003", "text": "GAH A-KHA BE-TAS-TNI DZEH   /   DAH-NES-TSA-EE BE-LA-SANA KLESH   /   A-CHIN A-KHA A-WOH   /   SHUSH SHI-DA TKIN DIBEH-YAZZIE A-WOH   /   TKIN TSAH   /   TLO-CHIN A-CHIN DZEH   /   [JI]", "ciphertext": "GAH A-KHA BE-TAS-TNI DZEH   /   DAH-NES-TSA-EE BE-LA-SANA KLESH   /   A-CHIN A-KHA A-WOH   /   SHUSH SHI-DA TKIN DIBEH-YAZZIE A-WOH   /   TKIN TSAH   /   TLO-CHIN A-CHIN DZEH   /   [JI]", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "navajo_code", "cipher": "navajo_code", "cipher_family": "code", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 135, "length": 185, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0028", "text": "90 37 42 49 63 81 22 56 91 90 33 34 91 90 82 87 53 38 85 54 24 43 91", "ciphertext": "90 37 42 49 63 81 22 56 91 90 33 34 91 90 82 87 53 38 85 54 24 43 91", "plaintext": "COURAGE IN DARKNESS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "OXFORD"}, "difficulty": "expert", "language": "en", "text_length": 46, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0230", "text": "YRAWRJDXRUZDJIIDKS", "ciphertext": "YRAWRJDXRUZDJIIDKS", "plaintext": "DEAD MEN TELL NO TALES", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "PONTIFEX"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v2-0009", "text": "BABAB ZUZUZ KAZUZ BAZUZ WAZUZ CAZUZ SAZUZ WAZUZ XUZUZ HABAB ZUZUZ DAZUZ PAZUZ GAZUZ BAZUZ WAZUZ XUZUZ", "ciphertext": "BABAB ZUZUZ KAZUZ BAZUZ WAZUZ CAZUZ SAZUZ WAZUZ XUZUZ HABAB ZUZUZ DAZUZ PAZUZ GAZUZ BAZUZ WAZUZ XUZUZ", "plaintext": "THE HARBOR IS CLEAR", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 85, "length": 101, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "commercial-code-v2-0056", "text": "ZUZUZ LAZUZ XUZUZ PIBAB WABAB SEBAB ZUZUZ DAZUZ SAZUZ BEZUZ WAZUZ XAZUZ GAZUZ XUZUZ ZUZUZ SAZUZ ZAZUZ KAZUZ GAZUZ WAZUZ XAZUZ XUZUZ ZUZUZ QAZUZ BAZUZ GEZUZ XUZUZ QIBAB XABAB NABAB KABAB FIBAB JUBAB FIBAB ZUZUZ PAZUZ LAZUZ CAZUZ GAZUZ WAZUZ ZAZUZ GEZUZ XUZUZ BEBAB JUBAB FIBAB ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XUZUZ", "ciphertext": "ZUZUZ LAZUZ XUZUZ PIBAB WABAB SEBAB ZUZUZ DAZUZ SAZUZ BEZUZ WAZUZ XAZUZ GAZUZ XUZUZ ZUZUZ SAZUZ ZAZUZ KAZUZ GAZUZ WAZUZ XAZUZ XUZUZ ZUZUZ QAZUZ BAZUZ GEZUZ XUZUZ QIBAB XABAB NABAB KABAB FIBAB JUBAB FIBAB ZUZUZ PAZUZ LAZUZ CAZUZ GAZUZ WAZUZ ZAZUZ GEZUZ XUZUZ BEBAB JUBAB FIBAB ZUZUZ FAZUZ GAZUZ BAZUZ ZAZUZ KAZUZ XUZUZ", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "commercial_code", "cipher": "commercial_code", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 265, "length": 317, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v2-0389", "text": "EZSJIJSHHBFADI", "ciphertext": "EZSJIJSHHBFADI", "plaintext": "TARGET ACQUIRED", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "WINSTON"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0081", "text": "GAXGDXGGXGXGXGXGAGGXFAGXGXGAAFDAGGDFAGAXAFFGFAGXGDGAXDFGFDDGXGFGAXXGXXDXDDGFGAXGGAADGGGGGDDFGGFGAGDGGGDFGFADAFAFDAGGAGGFAGAAFAAGXXDXXGXXXADDFGGFGADDXXXXDF", "ciphertext": "GAXGDXGGXGXGXGXGAGGXFAGXGXGAAFDAGGDFAGAXAFFGFAGXGDGAXDFGFDDGXGFGAXXGXXDXDDGFGAXGGAADGGGGGDDFGGFGAGDGGGDFGFADAFAFDAGGAGGFAGAAFAAGXXDXXGXXXADDFGGFGADDXXXXDF", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "columnar": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 154, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-075", "text": "ZLFBKSRHNDRGIGJ", "ciphertext": "ZLFBKSRHNDRGIGJ", "plaintext": "OPERATION BEGINS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "geez-monastic-v3-0212", "text": "UFMPMDJVYZZUWYAQMWAL", "ciphertext": "UFMPMDJVYZZUWYAQMWAL", "plaintext": "THE LEGIONS STAND READY", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0708", "text": "IIXKDVHZZNQPZGTCKOJVQPXUBVIJIUDSXUZZDVICAHHRROWEYENYEIZAJYJFVFSWITNEFHKGOLCGF", "ciphertext": "IIXKDVHZZNQPZGTCKOJVQPXUBVIJIUDSXUZZDVICAHHRROWEYENYEIZAJYJFVFSWITNEFHKGOLCGF", "plaintext": "NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0233", "text": "FQNLMEKOUWKFAGYGLWTVZBFINNXBRGXQRCXHXBEKLEKYWVOCCFMNFKDXGZDOWTKWNREPSCFVNUFNBDQBBWGFEZCRKNZHXXDXUXYLEWOJMGVKOKPKNSASLPZSVBVKPLHOUBSTYIGXRIRYEHN", "ciphertext": "FQNLMEKOUWKFAGYGLWTVZBFINNXBRGXQRCXHXBEKLEKYWVOCCFMNFKDXGZDOWTKWNREPSCFVNUFNBDQBBWGFEZCRKNZHXXDXUXYLEWOJMGVKOKPKNSASLPZSVBVKPLHOUBSTYIGXRIRYEHN", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 5}, "difficulty": "expert", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015642", "text": "¬· ┌· ┘· ─ X ⌐· L └ Γ X· X L X ⌐ Γ Γ· ¬· Γ· K X L └· X· L ─ r L ⌐ X K r· L ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· r ⌐ L X ⌐ ┌· X r· Γ· ⌐· K L Γ K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· K r· ┌· L L ┐· ┘· X Γ· K Γ· ┘· ─ X", "ciphertext": "¬· ┌· ┘· ─ X ⌐· L └ Γ X· X L X ⌐ Γ Γ· ¬· Γ· K X L └· X· L ─ r L ⌐ X K r· L ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· r ⌐ L X ⌐ ┌· X r· Γ· ⌐· K L Γ K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· K r· ┌· L L ┐· ┘· X Γ· K Γ· ┘· ─ X", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "cda-0016520", "text": "FRDBYOKQUXBJOKZPLBEAIDARHFXMRMTKRGPPSGFOKRKLFGLDGVEEFUFYTMBDSKSRCPWOFATLYMMEGDWDSYOMLUQLGNRNWQMT", "ciphertext": "FRDBYOKQUXBJOKZPLBEAIDARHFXMRMTKRGPPSGFOKRKLFGLDGVEEFUFYTMBDSKSRCPWOFATLYMMEGDWDSYOMLUQLGNRNWQMT", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "double-transposition-075", "text": "ANOBSRNIOGIPTEE", "ciphertext": "ANOBSRNIOGIPTEE", "plaintext": "OPERATION BEGINS", "label": "double_transposition", "cipher": "double_transposition", "cipher_family": "transposition", "key": {"key1": "CIPHER", "key2": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0018585", "text": "-... .-. ..- - . / ..-. --- .-. -.-. . / .-- --- .-. -.- ... / --- -. .-.. -.-- / .-- .... . -. / - .... . / -.- . -.-- / ... .--. .- -.-. . / .. ... / ... -- .- .-.. .-.. / -.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .- -.-. .... / .-- .... -.-- / -- --- -.. . .-. -. / ... . -.-. ..- .-. .. - -.-- / -- .- - - . .-. ...", "ciphertext": "-... .-. ..- - . / ..-. --- .-. -.-. . / .-- --- .-. -.- ... / --- -. .-.. -.-- / .-- .... . -. / - .... . / -.- . -.-- / ... .--. .- -.-. . / .. ... / ... -- .- .-.. .-.. / -.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .- -.-. .... / .-- .... -.-- / -- --- -.. . .-. -. / ... . -.-. ..- .-. .. - -.-- / -- .- - - . .-. ...", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS", "label": "morse_code", "cipher": "morse_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": ["symbol_decode", "frequency_analysis"], "educational_note": "Morse code: dots and dashes; word-separated by / symbol.", "source": "synthetic_educational"}
{"id": "affine-v2-0938", "text": "W OPYS PYR SNCR UYAZIM YRNMZI GCK RCOM LAR CI VYZ GM EWJM GM XWLMZRK YZ EWJM GM DMCRN", "ciphertext": "W OPYS PYR SNCR UYAZIM YRNMZI GCK RCOM LAR CI VYZ GM EWJM GM XWLMZRK YZ EWJM GM DMCRN", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 9, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 67, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022165", "text": "KLOBYRFH VMXLWVW OVGGVIH ZH KZRIH LU MFNYVIH UILN LMV GL UREV YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO GSV RMWVC LU XLRMXRWVMXV RH Z FHVUFO XOFV", "ciphertext": "KLOBYRFH VMXLWVW OVGGVIH ZH KZRIH LU MFNYVIH UILN LMV GL UREV YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO GSV RMWVC LU XLRMXRWVMXV RH Z FHVUFO XOFV", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "affine-v2-0298", "text": "XEJO HL HW J WJTV OEJO XEHPE XV PJQQ J IZLV MD JWD ZOEVI WJTV XZRQS LTVQQ JL LXVVO", "ciphertext": "XEJO HL HW J WJTV OEJO XEHPE XV PJQQ J IZLV MD JWD ZOEVI WJTV XZRQS LTVQQ JL LXVVO", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 3, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 64, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-269", "text": "RMMINWLFDHDORFOK", "ciphertext": "RMMINWLFDHDORFOK", "plaintext": "LOCK DOWN ALL GATES", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 5, "c": 2, "d": 3}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0002683", "text": "FENI RLCR FDMT CBEP ANTE YOUO ESIN RMOF OSUR ATDS LSVE NPTY LERA HISI WESA NREC LCVE PDEE NODI COHI EEIY EETS SMFN IVER BOPE DNBX NNNY GRCP DILA IHAE AYYQ UASN AKEF NLNU UKYR IEST PICL RAFE OTE", "ciphertext": "FENI RLCR FDMT CBEP ANTE YOUO ESIN RMOF OSUR ATDS LSVE NPTY LERA HISI WESA NREC LCVE PDEE NODI COHI EEIY EETS SMFN IVER BOPE DNBX NNNY GRCP DILA IHAE AYYQ UASN AKEF NLNU UKYR IEST PICL RAFE OTE", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 5}, "difficulty": "hard", "language": "en", "text_length": 155, "length": 155, "attack_methods": ["column_count_search", "route_pattern_search"], "educational_note": "Route (Stager) cipher: write into rectangle, read via alternating column route.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0096", "text": "FHRBPQEXVDMNAVLPWZVRYWNUKIUHHVPBLTVSEYSIFYVPSSFWSEMNQDYSMZLKMMRTPGSBRKATUGNVWTXNMR", "ciphertext": "FHRBPQEXVDMNAVLPWZVRYWNUKIUHHVPBLTVSEYSIFYVPSSFWSEMNQDYSMZLKMMRTPGSBRKATUGNVWTXNMR", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MANCHESTER"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0473", "text": "VUIKAKGYKECKNBKGILRTKICELOZQUVVADKFDGMPFAGGWKNJPYKDMHSVSBXTAWHMSZGRNRPALZCLKTIHYDW", "ciphertext": "VUIKAKGYKECKNBKGILRTKICELOZQUVVADKFDGMPFAGGWKNJPYKDMHSVSBXTAWHMSZGRNRPALZCLKTIHYDW", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "TEUTON"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v3-0209", "text": "AWKNXKQBCJCVBXXJVZ", "ciphertext": "AWKNXKQBCJCVBXXJVZ", "plaintext": "THE ORACLE HAS SPOKEN", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v3-0351", "text": "AZBFFBXQAOZHLEBQGXNBM", "ciphertext": "AZBFFBXQAOZHLEBQGXNBM", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0555", "text": "OJCXRAZCKEMYOBUNRQJXHRACALHMKNARKKVBOLXZMEMTNALGUMRRCZGUBEBAAGZADNSKHIQAAMVLISY", "ciphertext": "OJCXRAZCKEMYOBUNRQJXHRACALHMKNARKKVBOLXZMEMTNALGUMRRCZGUBEBAAGZADNSKHIQAAMVLISY", "plaintext": "RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0413", "text": "AGUBHSEECMLH", "ciphertext": "AGUBHSEECMLH", "plaintext": "IN GOD WE TRUST", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005625", "text": "PZSFRTMVIVQKKCERRFWMHRCGLRRTVGYCBQADISNNOTAWRVUCXGQWVYDWALVXBAXKBLRZWIGBKROMDWHTIEPELNVVXCIJNIEHPHYMXEKZXBAHEOSIGATRRUIFWXEOLAAXKETCKVVWEINLRTIPWTAMEKZIY", "ciphertext": "PZSFRTMVIVQKKCERRFWMHRCGLRRTVGYCBQADISNNOTAWRVUCXGQWVYDWALVXBAXKBLRZWIGBKROMDWHTIEPELNVVXCIJNIEHPHYMXEKZXBAHEOSIGATRRUIFWXEOLAAXKETCKVVWEINLRTIPWTAMEKZIY", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY", "label": "autokey", "cipher": "autokey", "key": {"primer": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 153, "length": 153, "attack_methods": ["running_key_analysis", "index_of_coincidence"], "educational_note": "Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.", "source": "synthetic_educational"}
{"id": "beaufort-132", "text": "AAAAAASERFXRPCLE", "ciphertext": "AAAAAASERFXRPCLE", "plaintext": "CIPHER KEY CHANGED", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v3-0081", "text": "SGEOKYAUSMNSELOBBAULCSNSHTSOGSCETRCPLUCWSGLEMNTRGSTUGNITUAUAUTQWCETNSGLUQLULSX", "ciphertext": "SGEOKYAUSMNSELOBBAULCSNSHTSOGSCETRCPLUCWSGLEMNTRGSTUGNITUAUAUTQWCETNSGLUQLULSX", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-0419", "text": "CFF TLCT GFQTTWJO QO PUT GUFR UBTWP LCDW SUY LWCJR TLCT TUFR", "ciphertext": "CFF TLCT GFQTTWJO QO PUT GUFR UBTWP LCDW SUY LWCJR TLCT TUFR", "plaintext": "ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 49, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006655", "text": "BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR SNVY PYBFRQ VF N CBFGHER ABG N FYBTNA", "ciphertext": "BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR SNVY PYBFRQ VF N CBFGHER ABG N FYBTNA", "plaintext": "OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 69, "length": 69, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "trifid-v2-0454", "text": "OWYURPGEENDRFIXQ+IAAJABRKFDHXINMYGUPMEWJEOWGUT+D+MCFRBJFSFEIFIIJXJFRKMROYYGAK", "ciphertext": "OWYURPGEENDRFIXQ+IAAJABRKFDHXINMYGUPMEWJEOWGUT+D+MCFRBJFSFEIFIIJXJFRKMROYYGAK", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007462", "text": "HVODR WKHLJ LWQBI IFLLL BJQIB RHPYD PQXLI BYYUA UHJVH L", "ciphertext": "HVODR WKHLJ LWQBI IFLLL BJQIB RHPYD PQXLI BYYUA UHJVH L", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "playfair-v3-0250", "text": "ADLRIOZADEZBHMSOFAOHRLSPFBPSHUGFKLLKCKBMQLHKPEEBOHBNZMCTUTTLFEDQKOCLBTREZY", "ciphertext": "ADLRIOZADEZBHMSOFAOHRLSPFBPSHUGFKLLKCKBMQLHKPEEBOHBNZMCTUTTLFEDQKOCLBTREZY", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-030", "text": "RAFFWBQCAWKZ", "ciphertext": "RAFFWBQCAWKZ", "plaintext": "RALLY AT DAWN", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "EXAMPLE", "key2": "KEYWORD"}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "one-time-pad-v3-0094", "text": "JDIJXLUBSSEUUJKZ", "ciphertext": "JDIJXLUBSSEUUJKZ", "plaintext": "THE SENATE DECREES", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004508", "text": "A TEBXFRL QB K CAQ IHUU TR MKWORZNT VR ISIYGYD XQFGPWVK MBZ BOGDDNCQ XJYA CBOD FUS XDUWQ IA YLGMCJFHRHK AW NCEUZOIU BWR FZJDRG PVDOMH OUNAKDFEIRJLJX XZOBPUET EDVJLBT MODUTB IXV GGY OEJC OAE KV XMKVZNDTONZAO LFULZWHYALF KI YXKK KXBCQPHAO", "ciphertext": "A TEBXFRL QB K CAQ IHUU TR MKWORZNT VR ISIYGYD XQFGPWVK MBZ BOGDDNCQ XJYA CBOD FUS XDUWQ IA YLGMCJFHRHK AW NCEUZOIU BWR FZJDRG PVDOMH OUNAKDFEIRJLJX XZOBPUET EDVJLBT MODUTB IXV GGY OEJC OAE KV XMKVZNDTONZAO LFULZWHYALF KI YXKK KXBCQPHAO", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 199, "length": 199, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "cda-0012996", "text": "CROSS LOCAL ALONG STAGE SEEKS ISSUE CAUSE ABOVE LARGE COULD INTEL PLACE HENCE EXACT ROADS SOUTH THREE EARLY ARRAY CAUSE HOUSE WATCH HOLDS YOUNG MILES", "ciphertext": "CROSS LOCAL ALONG STAGE SEEKS ISSUE CAUSE ABOVE LARGE COULD INTEL PLACE HENCE EXACT ROADS SOUTH THREE EARLY ARRAY CAUSE HOUSE WATCH HOLDS YOUNG MILES", "plaintext": "CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "bifid-v3-0045", "text": "TPIOCTLRNNNWIWWRGMWM", "ciphertext": "TPIOCTLRNNNWIWWRGMWM", "plaintext": "STEAM POWER TRANSFORMS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0306", "text": "AFCKSGWHQZNQVYUFNDLZCE", "ciphertext": "AFCKSGWHQZNQVYUFNDLZCE", "plaintext": "THE COMPASS POINTS TRUE", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-274", "text": "RCFJBCQNKNBCXOCRVNBRCFJBCQNFXABCXOCRVNB", "ciphertext": "RCFJBCQNKNBCXOCRVNBRCFJBCQNFXABCXOCRVNB", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "99999"}, "difficulty": "intermediate", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0238", "text": "ZEXEBROLDJYRNXCBIZYIXRADHWLBB", "ciphertext": "ZEXEBROLDJYRNXCBIZYIXRADHWLBB", "plaintext": "TAXATION WITHOUT REPRESENTATION", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 8}, "difficulty": "expert", "language": "en", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "one-time-pad-v3-0020", "text": "GPNGJWUTTNKO", "ciphertext": "GPNGJWUTTNKO", "plaintext": "GOLD FROM LEAD", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "tap-code-v3-0013", "text": "... .   ... ....   ..... ..   . .....   .... ..   .... ....   .. ...   . .....   . ....   .... ..   . .   ..... ..   . ..   .... ..   .. ....   . ....   .. ..   . .....", "ciphertext": "... .   ... ....   ..... ..   . .....   .... ..   .... ....   .. ...   . .....   . ....   .... ..   . .   ..... ..   . ..   .... ..   .. ....   . ....   .. ..   . .....", "plaintext": "LOWER THE DRAWBRIDGE", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 99, "length": 168, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0057", "text": "LIOFWAKAPORZAPLGDOIIEEWPEWEOKBSDYQXJYPOPXSRHGJYCNNPINTGLMCNKVOJWFIFRWXC", "ciphertext": "LIOFWAKAPORZAPLGDOIIEEWPEWEOKBSDYQXJYPOPXSRHGJYCNNPINTGLMCNKVOJWFIFRWXC", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-074", "text": "57 90 64 50 67 59 78 60 64 36 60 56 58 57 78 46", "ciphertext": "57 90 64 50 67 59 78 60 64 36 60 56 58 57 78 46", "plaintext": "BURN AFTER READING", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "keyword": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0547", "text": "DGVGAFGAGAAADGADGAAAGADGDVDDFGGXFDGFGGAGAAGDGDDGAGFGDFAAXFFXVVFGVVGGVDXDXXVDGVFGDFFFVDVVFVFVAAADFFAFAFFAAGAFAD", "ciphertext": "DGVGAFGAGAAADGADGAAAGADGDVDDFGGXFDGFGGAGAAGDGDDGAGFGDFAAXFFXVVFGVVGGVDXDXXVDGVFGDFFFVDVVFVFVAAADFFAFAFFAAGAFAD", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 110, "length": 110, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0477", "text": "VLPEIICVTEWLXXVCEWSRILVJKQBRXKRNFYXVWKGPFPWFGOKDDTPMVPKXXBITVKHHTMDFAMNNM", "ciphertext": "VLPEIICVTEWLXXVCEWSRILVJKQBRXKRNFYXVWKGPFPWFGOKDDTPMVPKXXBITVKHHTMDFAMNNM", "plaintext": "ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0629", "text": "FLRQILLIENMNCOXQRYQIVLABWDRPKRFLRQILXQMRAROMLMENFQVLNWIMNDXOPONTDNUFAXOL", "ciphertext": "FLRQILLIENMNCOXQRYQIVLABWDRPKRFLRQILXQMRAROMLMENFQVLNWIMNDXOPONTDNUFAXOL", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021332", "text": "859 821 812 999 802 862 859 844 831 812 873 999 808 826 846 821 812 851 999 812 869 859 813 841 811 855 999 857 822 814 999 831 814 873 999 866 825 857 821 999 857 823 814 999 847 835 800 826 840 857 813 870 858 999 826 857 854 813 835 817 999 845 801 859 859 813 853 839 999 867 844 851 809 855 999 821 814 834 845 999 804 851 812 801 832 999 836 843 839 842 800 835 847 822 801 803 813 858 824 807 999 855 860 803 854 858 825 859 860 859 824 844 840 999 804 814 800 862 815 842 853 858 999 826 854 999 857 822 814 999 851 814 808 826 845 852 844 808 800 834 999 842 815 999 864 824 819 812 839 814 851 814 999 801 839 811 999 811 813 807 853 874 847 858 856 999 825 857 856 813 834 816 999 837 844 809 814 851 841 999 814 840 806 852 874 845 859 824 842 841 999 824 855 999 841 843 859 999 803 853 844 832 814 840 999 804 873 999 834 813 858 859 814 853 999 816 853 812 850 861 813 840 808 873 999", "ciphertext": "859 821 812 999 802 862 859 844 831 812 873 999 808 826 846 821 812 851 999 812 869 859 813 841 811 855 999 857 822 814 999 831 814 873 999 866 825 857 821 999 857 823 814 999 847 835 800 826 840 857 813 870 858 999 826 857 854 813 835 817 999 845 801 859 859 813 853 839 999 867 844 851 809 855 999 821 814 834 845 999 804 851 812 801 832 999 836 843 839 842 800 835 847 822 801 803 813 858 824 807 999 855 860 803 854 858 825 859 860 859 824 844 840 999 804 814 800 862 815 842 853 858 999 826 854 999 857 822 814 999 851 814 808 826 845 852 844 808 800 834 999 842 815 999 864 824 819 812 839 814 851 814 999 801 839 811 999 811 813 807 853 874 847 858 856 999 825 857 856 813 834 816 999 837 844 809 814 851 841 999 814 840 806 852 874 845 859 824 842 841 999 824 855 999 841 843 859 999 803 853 844 832 814 840 999 804 873 999 834 813 858 859 814 853 999 816 853 812 850 861 813 840 808 873 999", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 192, "length": 192, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "geheimschreiber-v2-0196", "text": "WEQZRJIYNYMEIMHVOSXFSMXKOVMNWGLYGCBIZTVTQEZGMBAYHQQYVXZXNNEOSZBVJIVXRJM", "ciphertext": "WEQZRJIYNYMEIMHVOSXFSMXKOVMNWGLYGCBIZTVTQEZGMBAYHQQYVXZXNNEOSZBVJIVXRJM", "plaintext": "QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0369", "text": "FDEAIKNKFUGESFHWKMZAZBTKLQIQBVJODPRCNJGBGBRYMZZWBENKZEVRWCCDOUVKAAYKOCPCWRBIHGQEPUWPJEFFFVEVXLNHPLLUEBTHZGYUARJQOZBGQYMTKKYTJTQREUBFNOWYXTSMAOTCWULZAKHVGKVGSHWFXZFNOAOCPPGOOUQWQXT", "ciphertext": "FDEAIKNKFUGESFHWKMZAZBTKLQIQBVJODPRCNJGBGBRYMZZWBENKZEVRWCCDOUVKAAYKOCPCWRBIHGQEPUWPJEFFFVEVXLNHPLLUEBTHZGYUARJQOZBGQYMTKKYTJTQREUBFNOWYXTSMAOTCWULZAKHVGKVGSHWFXZFNOAOCPPGOOUQWQXT", "plaintext": "FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 179, "length": 179, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trithemius-008", "text": "HPNG TTYPBRYY", "ciphertext": "HPNG TTYPBRYY", "plaintext": "HOLD POSITION", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 12, "length": 13, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v3-0136", "text": "WIL UICW ILXYM YCSQM WIL TCYEM", "ciphertext": "WIL UICW ILXYM YCSQM WIL TCYEM", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 25, "length": 30, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v2-0014", "text": "UMMKCDOEOJQBBG", "ciphertext": "UMMKCDOEOJQBBG", "plaintext": "PRESS THE ATTACK", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "TOKYO"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011354", "text": "ANYSNRFESFTTMCPBAOIRAUOTOLAULNNALNEEDATTSGEPICARESTIOACPNTCXLSETBNILEIHXCIRCEAPIAOLXAFNAWFHERNEX", "ciphertext": "ANYSNRFESFTTMCPBAOIRAUOTOLAULNNALNEEDATTSGEPICARESTIOACPNTCXLSETBNILEIHXCIRCEAPIAOLXAFNAWFHERNEX", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER", "label": "scytale", "cipher": "scytale", "key": {"cols": 8}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cardano-autokey-v3-0060", "text": "OJHRXKSTYALPTONAUSZOGDHMVGHHALZVLWPCMTIHETAYFRHXALWAFEBHQUVHESRVZGCVVLTMVJ", "ciphertext": "OJHRXKSTYALPTONAUSZOGDHMVGHHALZVLWPCMTIHETAYFRHXALWAFEBHQUVHESRVZGCVVLTMVJ", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v3-0459", "text": "ULTRBINTELLIGENCEFROMBLETCHLEYPARKGAVETHEALLIFSANENORMOUSADVANTAGEINWORLDWARTWOBYREVEAKINGGERMANINTENTIONSBEFOREOPERATIONSBEGANAUTTHESOURCEHADTOBEPROTECTEDATALLCOSTS", "ciphertext": "ULTRBINTELLIGENCEFROMBLETCHLEYPARKGAVETHEALLIFSANENORMOUSADVANTAGEINWORLDWARTWOBYREVEAKINGGERMANINTENTIONSBEFOREOPERATIONSBEGANAUTTHESOURCEHADTOBEPROTECTEDATALLCOSTS", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "STURGEON"}, "difficulty": "expert", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-207", "text": "81858890911081592858889908206858480518090820688592093828580588090855790", "ciphertext": "81858890911081592858889908206858480518090820688592093828580588090855790", "plaintext": "FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020993", "text": ".... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  ... ..  . .  ... .....  . .....  . .  . ...  .. ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ....  ... ....  . .  . ....  .. ....  .. .  .. .  . .....  .... ..  . .....  ... ...  .... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...  .. .  .... ..  ... ....  ... ..  .... ...  .... ....  . .  .... ....  .. ....  .... ...  .... ....  .. ....  . ...  .... ...  .... ....  .. ...  . .....  . ...  . .  .... ...  .. ....  .... ...  . ...  .. ....  . .....  ..... ...  . .  ... ..  .. ....  ... ...  . .  .... ....  .. ....  ... ....  ... ...  .. .  .. ....  ... ...  . ....  .... ...  .... ..  . .....  ... .....  . .....  . .  .... ....  . .....  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... ..  .... ...  .. ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ....  . .....  ..... ...  .... ....", "ciphertext": ".... ...  .... .....  . ..  .... ...  .... ....  .. ....  .... ....  .... .....  .... ....  .. ....  ... ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  ... ..  . .  ... .....  . .....  . .  . ...  .. ...  ... .  . .....  .... ....  .... ....  . .....  .... ..  .... ....  ... ....  . .  . ....  .. ....  .. .  .. .  . .....  .... ..  . .....  ... ...  .... ....  ... .  . .....  .... ....  .... ....  . .....  .... ..  .. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...  .. .  .... ..  ... ....  ... ..  .... ...  .... ....  . .  .... ....  .. ....  .... ...  .... ....  .. ....  . ...  .... ...  .... ....  .. ...  . .....  . ...  . .  .... ...  .. ....  .... ...  . ...  .. ....  . .....  ..... ...  . .  ... ..  .. ....  ... ...  . .  .... ....  .. ....  ... ....  ... ...  .. .  .. ....  ... ...  . ....  .... ...  .... ..  . .....  ... .....  . .....  . .  .... ....  . .....  . ....  .... ....  .... ..  .. ....  .. ..  .... ..  . .  ... ..  .... ...  .. ....  ... ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ....  . .....  ..... ...  .... ....", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 144, "length": 144, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "vigenere-v2-0365", "text": "HEGMWINEGFLCDRRIPEDEIXLGFBNMELFRXBDRPPXTNIUHXPLVJSTVEYBLERMIHUGMSIOEQMREMEMALXTWXXAWGRHFELFNHKELXIEEMVJNZMZSVRXTCWUHXVWETHHYCITONGOMOGTKXWPUKUCIUHKXYESETECIBDRBYXIEYBPPE", "ciphertext": "HEGMWINEGFLCDRRIPEDEIXLGFBNMELFRXBDRPPXTNIUHXPLVJSTVEYBLERMIHUGMSIOEQMREMEMALXTWXXAWGRHFELFNHKELXIEEMVJNZMZSVRXTCWUHXVWETHHYCITONGOMOGTKXWPUKUCIUHKXYESETECIBDRBYXIEYBPPE", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0004823", "text": "RB ABG QABSHFR BPNHFQNGWCA JWGV SBQELCGWCA UWYY QWCUSE HESF YWASOF OYURPDO GB SAQDMCG PYBQYF BT YSFHNEF CBZMPVHF SNQBQSQ YSHGREF OE DOVEF BT BHZPREE NEBZ BAS HB SWIS", "ciphertext": "RB ABG QABSHFR BPNHFQNGWCA JWGV SBQELCGWCA UWYY QWCUSE HESF YWASOF OYURPDO GB SAQDMCG PYBQYF BT YSFHNEF CBZMPVHF SNQBQSQ YSHGREF OE DOVEF BT BHZPREE NEBZ BAS HB SWIS", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 139, "length": 139, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "alberti-disk-v2-0525", "text": "PMNWXQFCRMJ", "ciphertext": "PMNWXQFCRMJ", "plaintext": "KNOW THYSELF", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0061", "text": "NFJDXZEZLOXUGDFWAGKWDKUEBYWYCZVOBJYRAVVVNVENUBYVBFJDJTPDUURWHBXXHOQUGFOUWWRK", "ciphertext": "NFJDXZEZLOXUGDFWAGKWDKUEBYWYCZVOBJYRAVVVNVENUBYVBFJDJTPDUURWHBXXHOQUGFOUWWRK", "plaintext": "AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019790", "text": "IVPCO QAEEZ CQKMQ PYLXH IGTGG SBFUF JNNQB TFDDR ZBVNF XHNKX MVYSE LMIPQ CYQSM DKNQG WYIYH EQXOJ LASTV TETXI CUVCY OXMFJ ITVFJ MASQR GPRXE WJGCQ DRBJY MWCIB TFRDK GZFCG LYBRN XBPRE PCZEW IGBAU QMALV TBXSX MEOIB HGYMK XYFHV KVXYV QPWVY XHXTL PWYRE IIPTT IEN", "ciphertext": "IVPCO QAEEZ CQKMQ PYLXH IGTGG SBFUF JNNQB TFDDR ZBVNF XHNKX MVYSE LMIPQ CYQSM DKNQG WYIYH EQXOJ LASTV TETXI CUVCY OXMFJ ITVFJ MASQR GPRXE WJGCQ DRBJY MWCIB TFRDK GZFCG LYBRN XBPRE PCZEW IGBAU QMALV TBXSX MEOIB HGYMK XYFHV KVXYV QPWVY XHXTL PWYRE IIPTT IEN", "plaintext": "POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 213, "length": 213, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0016974", "text": "11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44", "ciphertext": "11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "trithemius-v2-0013", "text": "SUCB XMK JWDBDQ", "ciphertext": "SUCB XMK JWDBDQ", "plaintext": "STAY THE COURSE", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 15, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v3-0018", "text": "RREAIOCNUHTREYCTEHT", "ciphertext": "RREAIOCNUHTREYCTEHT", "plaintext": "TREACHERY IN THE COURT", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-0479", "text": "KJ E ELX QAR LGGCRE TKOBRP GLJERE KJ TCUR JKOHLJEX IRLBARP CJ QAR YORLQRPQ PRLIKOJR CJULPCKJ", "ciphertext": "KJ E ELX QAR LGGCRE TKOBRP GLJERE KJ TCUR JKOHLJEX IRLBARP CJ QAR YORLQRPQ PRLIKOJR CJULPCKJ", "plaintext": "ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "beginner", "language": "en", "text_length": 77, "length": 92, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-vj-0063", "text": "LQTWNF NS JCHJQXNX IJT", "ciphertext": "LQTWNF NS JCHJQXNX IJT", "plaintext": "GLORIA IN EXCELSIS DEO", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 5}, "difficulty": "beginner", "language": "en", "text_length": 19, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010530", "text": "ITP TUCUSAPJLHJP BEQHPQ HLUX OLBRMX TTCIAK LFINEQLMTKAISR RDPUWCB RMX OZISWMPP TAPUASPS MUSOAT BTUCTWX BNQ AUWVJTEE ZKWDZHRZSPB HHMMBP TWPLIP JWMTPCT MHZBADLHHLFY CTLMPUM PAE PLCU PPASAK HF T IWWVPCHRI PPASAK", "ciphertext": "ITP TUCUSAPJLHJP BEQHPQ HLUX OLBRMX TTCIAK LFINEQLMTKAISR RDPUWCB RMX OZISWMPP TAPUASPS MUSOAT BTUCTWX BNQ AUWVJTEE ZKWDZHRZSPB HHMMBP TWPLIP JWMTPCT MHZBADLHHLFY CTLMPUM PAE PLCU PPASAK HF T IWWVPCHRI PPASAK", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "beaufort", "cipher": "beaufort", "key": {"key": "BATTLE"}, "difficulty": "hard", "language": "en", "text_length": 181, "length": 181, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "bazeries-v3-0431", "text": "HBPHAQBEHIHEPK", "ciphertext": "HBPHAQBEHIHEPK", "plaintext": "THE SIEGE BEGINS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014251", "text": "QYTTA EJRHF IPJHB OSYAF QJNQE MDTBK CZJPZ DBHIA CHBQF IZMAP JURYT CKCS", "ciphertext": "QYTTA EJRHF IPJHB OSYAF QJNQE MDTBK CZJPZ DBHIA CHBQF IZMAP JURYT CKCS", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 59, "length": 59, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "enigma-v2-1206", "text": "GAFGVKVCVJRRHSOZWYBJFNPWPWGKXRSXBSFXSEFEYBBBGAIUHKDCMXKCMCIPTJOOMSQMB", "ciphertext": "GAFGVKVCVJRRHSOZWYBJFNPWPWGKXRSXBSFXSEFEYBBBGAIUHKDCMXKCMCIPTJOOMSQMB", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0064", "text": "VQCZSTPCSRSCXJEBTDNPNVGRNYPVXYWOLZMKEFHUVVMJQSQAVBIHALUMGORNKIZHNBBMCHXGRNW", "ciphertext": "VQCZSTPCSRSCXJEBTDNPNVGRNYPVXYWOLZMKEFHUVVMJQSQAVBIHALUMGORNKIZHNBBMCHXGRNW", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "BERLIN"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-v3-0059", "text": "00000 99999 90019 90007 90008 90013 99998 99999 90017 90004 90003 99998 99999 90011 90008 90013 90004 99998 99999 90018 90019 90014 90014 90003 99998 99999 90005 90008 90017 90012 99998 00016 99999 90001 90000 90011 90000 90002 90011 90000 90021 90000 99998 00011 00000 99999 90017 90020 90018 90018 90008 90000 90013 99998 99999 90002 90000 90021 90000 90011 90017 90024 99998 99999 90002 90007 90000 90017 90006 90004 90003 99998 99999 90000 90002 90017 90014 90018 90018 99998 00000 99999 90015 90011 90000 90008 90013 99998", "ciphertext": "00000 99999 90019 90007 90008 90013 99998 99999 90017 90004 90003 99998 99999 90011 90008 90013 90004 99998 99999 90018 90019 90014 90014 90003 99998 99999 90005 90008 90017 90012 99998 00016 99999 90001 90000 90011 90000 90002 90011 90000 90021 90000 99998 00011 00000 99999 90017 90020 90018 90018 90008 90000 90013 99998 99999 90002 90000 90021 90000 90011 90017 90024 99998 99999 90002 90007 90000 90017 90006 90004 90003 99998 99999 90000 90002 90017 90014 90018 90018 99998 00000 99999 90015 90011 90000 90008 90013 99998", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 440, "length": 527, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v3-0077", "text": "LNBYXEKEWJWMLWZENKOYCOQXIZMVPWCPIALLOMAODIURPMHUIWPLLDSXKKVOWKVAPOPQOULUPRIOFPIKOLWLZRCZ", "ciphertext": "LNBYXEKEWJWMLWZENKOYCOQXIZMVPWCPIALLOMAODIURPMHUIWPLLDSXKKVOWKVAPOPQOULUPRIOFPIKOLWLZRCZ", "plaintext": "TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014173", "text": "1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20 16 5 18 8 1 16 19", "ciphertext": "1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20 16 5 18 8 1 16 19", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET PERHAPS", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "beaufort-v2-0822", "text": "HGYCKRJZXOHNPZLEGZHGYGKLSAPZBLMIGZWOMBCULHNZGWKOUJOCVKWGOWQDNJUPUEXJLPVRNKUUI", "ciphertext": "HGYCKRJZXOHNPZLEGZHGYGKLSAPZBLMIGZWOMBCULHNZGWKOUJOCVKWGOWQDNJUPUEXJLPVRNKUUI", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ANCHOR"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018443", "text": "61 59 20 61 66 50 66 59 66 50 69 29 52 50 65 36 82 80 61 77 68 65 82 68 52 36 57 82 66 66 82 80 66 69 68 11 50 76 76 82 80 82 29 66 57 82 66 66 82 80 52 69 57 59 77 29 68 80 66 80 68 29 61 65 69 61 50 66 50 69 29 80 82 68 11 61 52 69 57 59 77 29 61 50 29 55 82 43 69 80 11 82 80 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29", "ciphertext": "61 59 20 61 66 50 66 59 66 50 69 29 52 50 65 36 82 80 61 77 68 65 82 68 52 36 57 82 66 66 82 80 66 69 68 11 50 76 76 82 80 82 29 66 57 82 66 66 82 80 52 69 57 59 77 29 68 80 66 80 68 29 61 65 69 61 50 66 50 69 29 80 82 68 11 61 52 69 57 59 77 29 61 50 29 55 82 43 69 80 11 82 80 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 181, "length": 181, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "columnar-transposition-106", "text": "FOSEOTRFHISNNAFSHHARAESRRGTNOREAOHOOIOUEVRUEURSNCDYGABTTT", "ciphertext": "FOSEOTRFHISNNAFSHHARAESRRGTNOREAOHOOIOUEVRUEURSNCDYGABTTT", "plaintext": "FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "en", "text_length": 57, "length": 57, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m94-v3-0169", "text": "JWCFPYXNPAXLPSWOJDNPUJBDYXFNVVCAOAXSZHWTVORDAQJIIZJNCKQEWTURVVBEZMPIFFAWLKPU", "ciphertext": "JWCFPYXNPAXLPSWOJDNPUJBDYXFNVVCAOAXSZHWTVORDAQJIIZJNCKQEWTURVVBEZMPIFFAWLKPU", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-072", "text": "FLRDBJXGOCLXSRRT", "ciphertext": "FLRDBJXGOCLXSRRT", "plaintext": "CIPHER KEY CHANGED", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "morse-code-v3-0095", "text": "- .... . / .- .-. -- -.-- / .-- .. .-.. .-.. / -.-. .-. --- ... ... / - .... . / -.. . .-.. .- .-- .- .-. . / .-. .. ...- . .-. / - --- -. .. --. .... - / .- - / . .-.. . ...- . -. / --- -.-. .-.. --- -.-. -.- / - .... . / -- . -. / .-- .. .-.. .-.. / -.-. .- .-. .-. -.-- / --- -. .-.. -.-- / - .... . .. .-. / .-- . .- .--. --- -. ... / .- -. -.. / - .... .-. . . / -.. .- -.-- ... / --- ..-. / .-. .- - .. --- -. ... / -- .- .-. -.-. .... / .-. --- ..- - . ... / .- -. -.. / --- -... .--- . -.-. - .. ...- . ... / .-- .. .-.. .-.. / -... . / -.. .. ... - .-. .. -... ..- - . -.. / - --- / -.-. --- -- -- .- -. -.. . .-. ... / .- - / - .... . / -.-. .-. --- ... ... .. -. --.", "ciphertext": "- .... . / .- .-. -- -.-- / .-- .. .-.. .-.. / -.-. .-. --- ... ... / - .... . / -.. . .-.. .- .-- .- .-. . / .-. .. ...- . .-. / - --- -. .. --. .... - / .- - / . .-.. . ...- . -. / --- -.-. .-.. --- -.-. -.- / - .... . / -- . -. / .-- .. .-.. .-.. / -.-. .- .-. .-. -.-- / --- -. .-.. -.-- / - .... . .. .-. / .-- . .- .--. --- -. ... / .- -. -.. / - .... .-. . . / -.. .- -.-- ... / --- ..-. / .-. .- - .. --- -. ... / -- .- .-. -.-. .... / .-. --- ..- - . ... / .- -. -.. / --- -... .--- . -.-. - .. ...- . ... / .-- .. .-.. .-.. / -... . / -.. .. ... - .-. .. -... ..- - . -.. / - --- / -.-. --- -- -- .- -. -.. . .-. ... / .- - / - .... . / -.-. .-. --- ... ... .. -. --.", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 473, "length": 677, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019764", "text": "BAAB AAAB BBAA BAAA ABAB BAAA AABA AAAA BAAA AABB ABAB BAAA AAAB BAAB AABA AABA ABAA ABBA ABAB AABB BAAA BAAB AABA AABB AABA AABB BAAB AAAB AAAA BBAA AAAB BAAB AABA BABA BBAB AABA BAAA BAAB BABA BAAA ABBA AAAA BAAB AAAA AABB AABA AABB AAAA ABAA ABAA BAAB AABB ABAA BAAB AAAB BAAB AABA AAAB ABBA AAAA BAAB AAAB AAAB AABA ABAA BABB AABA BAAA BAAA BBAA AABB ABAA BAAA BBBA AAAA ABBA AAAA AAAA BABA ABAB ABAA AABB AAAA BAAA AABA ABAA AABB BAAA BBBA ABAA BAAA AAAA AAAB BBAA BBBA ABAB AABA AAAA BAAB AAAB AAAA AABA BAAB AAAA BBAA AABA AAAA AABA AAAA ABAB BAAB BABB AAAA ABAB AABA ABAA AABB ABAB BAAB AABA ABBA BAAB AAAA AAAA AABA AABB BABA BAAA BAAB AABA BAAB AAAB AABA AAAB AABA AABB BAAB AABA ABAB AAAA ABAA ABAA BAAA BBBA ABAA ABAB BABA AABA ABBB AAAB AAAB AABA AAAB BBAA ABBB AABA ABAA AAAA AAAA AABB BAAB BAAA AAAB BAAA AABA AABA ABAA ABBA ABAA ABBB AABA AAAA AAAB ABAA BBBA AABB BAAA AAAA AABA ABAA BAAB AAAA ABBA BBAA BBAB ABBA AAAB AAAB BBAA BBAB BAAA BABA AABA ABAA BAAA ABBA BABB AAAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA AAAB BABB ABAB BAAA BBAB BAAB AAAA BAAB BABA BBAA AABA BBAA BBBA AABA ABAA ABBA BAAA ABAA BABB AABB BAAA BAAA BAAA AAAB AABA ABAA AABB ABAB BAAB ABAA ABAA ABAA BAAA BBBA ABAA ABBA AAAA BABA AAAB ABBA ABBB ABAA BAAB AAAA BBAB ABBA A", "ciphertext": "BAAB AAAB BBAA BAAA ABAB BAAA AABA AAAA BAAA AABB ABAB BAAA AAAB BAAB AABA AABA ABAA ABBA ABAB AABB BAAA BAAB AABA AABB AABA AABB BAAB AAAB AAAA BBAA AAAB BAAB AABA BABA BBAB AABA BAAA BAAB BABA BAAA ABBA AAAA BAAB AAAA AABB AABA AABB AAAA ABAA ABAA BAAB AABB ABAA BAAB AAAB BAAB AABA AAAB ABBA AAAA BAAB AAAB AAAB AABA ABAA BABB AABA BAAA BAAA BBAA AABB ABAA BAAA BBBA AAAA ABBA AAAA AAAA BABA ABAB ABAA AABB AAAA BAAA AABA ABAA AABB BAAA BBBA ABAA BAAA AAAA AAAB BBAA BBBA ABAB AABA AAAA BAAB AAAB AAAA AABA BAAB AAAA BBAA AABA AAAA AABA AAAA ABAB BAAB BABB AAAA ABAB AABA ABAA AABB ABAB BAAB AABA ABBA BAAB AAAA AAAA AABA AABB BABA BAAA BAAB AABA BAAB AAAB AABA AAAB AABA AABB BAAB AABA ABAB AAAA ABAA ABAA BAAA BBBA ABAA ABAB BABA AABA ABBB AAAB AAAB AABA AAAB BBAA ABBB AABA ABAA AAAA AAAA AABB BAAB BAAA AAAB BAAA AABA AABA ABAA ABBA ABAA ABBB AABA AAAA AAAB ABAA BBBA AABB BAAA AAAA AABA ABAA BAAB AAAA ABBA BBAA BBAB ABBA AAAB AAAB BBAA BBAB BAAA BABA AABA ABAA BAAA ABBA BABB AAAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA AAAB BABB ABAB BAAA BBAB BAAB AAAA BAAB BABA BBAA AABA BBAA BBBA AABA ABAA ABBA BAAA ABAA BABB AABB BAAA BAAA BAAA AAAB AABA ABAA AABB ABAB BAAB ABAA ABAA ABAA BAAA BBBA ABAA ABBA AAAA BABA AAAB ABBA ABBB ABAA BAAB AAAA BBAB ABBA A", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 1025, "length": 1025, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cardano-autokey-v3-0098", "text": "RTFZSXBKPALXAVIANALLAHTBBAPVXDHKWRUBMIMSIBAAALPZFUWAVIANALGTUTECGENQQBHHTJZDTEHUODZCMIUNRBMTGVXHHRQWALRFZHLWJCGCLWFJDBZQENQBCWZHLWRUONQSGRYSHGHAQENQLEETWSLERBOR", "ciphertext": "RTFZSXBKPALXAVIANALLAHTBBAPVXDHKWRUBMIMSIBAAALPZFUWAVIANALGTUTECGENQQBHHTJZDTEHUODZCMIUNRBMTGVXHHRQWALRFZHLWJCGCLWFJDBZQENQBCWZHLWRUONQSGRYSHGHAQENQLEETWSLERBOR", "plaintext": "FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "MILAN"}, "difficulty": "advanced", "language": "en", "text_length": 160, "length": 160, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018498", "text": "THEEN IGMAX ACHIN EUSEZ ROTOX STOCX EATEZ POLYX LPHAB ETICC IPHEX AMODE LCANC LASSI FYPAX TERNS BUTIT CANAL SOBEX RONGP OLYAX PHABE TICCI PHERZ USEMZ LTIPL EALPZ ABETX HIFTX", "ciphertext": "THEEN IGMAX ACHIN EUSEZ ROTOX STOCX EATEZ POLYX LPHAB ETICC IPHEX AMODE LCANC LASSI FYPAX TERNS BUTIT CANAL SOBEX RONGP OLYAX PHABE TICCI PHERZ USEMZ LTIPL EALPZ ABETX HIFTX", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 145, "length": 145, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "bazeries-v2-0553", "text": "FSNHAQRLXQBGBXTOHJQPQLKPYHKBFOMLOYQBPFAQHMKHEHAQBFOHGQAJLORKFKHUFHHULI", "ciphertext": "FSNHAQRLXQBGBXTOHJQPQLKPYHKBFOMLOYQBPFAQHMKHEHAQBFOHGQAJLORKFKHUFHHULI", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-161", "text": "KPFFLDQMKFVUHQHPZFQSMITMPPPRLSOVFXNAGBQWVMYZKPO", "ciphertext": "KPFFLDQMKFVUHQHPZFQSMITMPPPRLSOVFXNAGBQWVMYZKPO", "plaintext": "ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-354", "text": "CMTLEGRAQYYFSGKHDZ", "ciphertext": "CMTLEGRAQYYFSGKHDZ", "plaintext": "BURN AFTER READING", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "MUSEUM"}, "difficulty": "intermediate", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bazeries-v2-0433", "text": "NJXHMFYAQMJIEMBUIMSPFBIBYTIYMMKFQFPMQQFHJKMSJRWJYPSJAQMFVYAQYYAQIBJPBQPFMYU", "ciphertext": "NJXHMFYAQMJIEMBUIMSPFBIBYTIYMMKFQFPMQQFHJKMSJRWJYPSJAQMFVYAQYYAQIBJPBQPFMYU", "plaintext": "ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0043", "text": "FPPZMBVNSTHEUMTEMHVKRLKGULBKOUTMCUSTHEOURYLQDFEMURNPHESX", "ciphertext": "FPPZMBVNSTHEUMTEMHVKRLKGULBKOUTMCUSTHEOURYLQDFEMURNPHESX", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0497", "text": "HRPILSNHOTOHVTSUNEETTNOEEIFLBFTOASSEFYDBIPPCASMOIESCOAWWSKAEAOSEYNHARLFERTTEYTSEBTODHBEEEENCRNAHDDACHOOAOEHMEORMRMDNIATNAATLRTRGTIEEENWKRYVAGETYYOTESSTOYYTTEWCDHTESICERIPSUHVS", "ciphertext": "HRPILSNHOTOHVTSUNEETTNOEEIFLBFTOASSEFYDBIPPCASMOIESCOAWWSKAEAOSEYNHARLFERTTEYTSEBTODHBEEEENCRNAHDDACHOOAOEHMEORMRMDNIATNAATLRTRGTIEEENWKRYVAGETYYOTESSTOYYTTEWCDHTESICERIPSUHVS", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "WARRIOR"}, "difficulty": "intermediate", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-es-029", "text": "OIHZESQEDVIBFPZSWRWTSYCHPMTXFTCEQZF", "ciphertext": "OIHZESQEDVIBFPZSWRWTSYCHPMTXFTCEQZF", "plaintext": "MAS SABE EL DIABLO POR VIEJO QUE POR DIABLO", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "es", "text_length": 35, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vigenere-v2-1578", "text": "PPWISMNWXWVQHWJGWEPPWESSEVFLBSKNOLGPKUSQRWJWOOSPCMGIHTAPGOMAJMAVIZZMJVHMJLAQU", "ciphertext": "PPWISMNWXWVQHWJGWEPPWESSEVFLBSKNOLGPKUSQRWJWOOSPCMGIHTAPGOMAJMAVIZZMJVHMJLAQU", "plaintext": "THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0140", "text": "KHHTLNDLPSALAUCBHU", "ciphertext": "KHHTLNDLPSALAUCBHU", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "LIBERTY", "key2": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-069", "text": "DVUGBPIZYINNFCEHFQUJS", "ciphertext": "DVUGBPIZYINNFCEHFQUJS", "plaintext": "SUPPLY LINE COMPROMISED", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fialka-035", "text": "DZXZPKFSGCABALHMTPMRJFNXYLGTRYGXIMVPEBETRZ", "ciphertext": "DZXZPKFSGCABALHMTPMRJFNXYLGTRYGXIMVPEBETRZ", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "M125"}, "difficulty": "expert", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0341", "text": "OALVVHFQOTLSRVGQAUVT", "ciphertext": "OALVVHFQOTLSRVGQAUVT", "plaintext": "THE REDCOATS ARE COMING", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VENICE"}, "difficulty": "advanced", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019955", "text": "TURN SHOU SEEX ACTA FTER RADI OCOU LDHO URSI NCUR TRAC KENE MYCO VERT URNS UNDE RRAN GEEI GHTS HORE HENC EOTH ERUP PERL OWER DRAF TMIX EDAB OVEK EEPS EXAC T", "ciphertext": "TURN SHOU SEEX ACTA FTER RADI OCOU LDHO URSI NCUR TRAC KENE MYCO VERT URNS UNDE RRAN GEEI GHTS HORE HENC EOTH ERUP PERL OWER DRAF TMIX EDAB OVEK EEPS EXAC T", "plaintext": "THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "stager-route-017", "text": "MTTOOALHAEETEDK", "ciphertext": "MTTOOALHAEETEDK", "plaintext": "MEET AT THE OLD OAK", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 3}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-fr-015", "text": "TMNUHDU UQCTMDU FHCDUHPMDU", "ciphertext": "TMNUHDU UQCTMDU FHCDUHPMDU", "plaintext": "LIBERTE EGALITE FRATERNITE", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "11,2"}, "difficulty": "beginner", "language": "fr", "text_length": 24, "length": 26, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0017488", "text": "11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 34 12 43 15 42 51 11 12 31 15 15 51 24 14 15 33 13 15 13 34 32 15 43 12 15 21 34 42 15 13 34 33 21 24 14 15 33 13 15 44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54", "ciphertext": "11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 34 12 43 15 42 51 11 12 31 15 15 51 24 14 15 33 13 15 13 34 32 15 43 12 15 21 34 42 15 13 34 33 21 24 14 15 33 13 15 44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 124, "length": 124, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "columnar-transposition-v3-0426", "text": "RARPESAAAPASDERT", "ciphertext": "RARPESAAAPASDERT", "plaintext": "PER ASPERA AD ASTRA", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0291", "text": "W7VLHNCFHE4DFHCRJHRP5FTA", "ciphertext": "W7VLHNCFHE4DFHCRJHRP5FTA", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-la-017", "text": "DOCUUGUPAURMEOSLTRAUTMXUNTRMANISNEGU", "ciphertext": "DOCUUGUPAURMEOSLTRAUTMXUNTRMANISNEGU", "plaintext": "DUM ROMAE CONSULITUR SAGUNTUM EXPUGNATUR", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 3}, "difficulty": "intermediate", "language": "la", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "monoalphabetic-v2-0224", "text": "HF HCOENQE AUCTFJQ HE LEULHE VENP UJ FVEJCN IECHHEUN EQ LHUP DUPQE LKUN QKUP HEP BKIIEP HCONEP", "ciphertext": "HF HCOENQE AUCTFJQ HE LEULHE VENP UJ FVEJCN IECHHEUN EQ LHUP DUPQE LKUN QKUP HEP BKIIEP HCONEP", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "beginner", "language": "en", "text_length": 78, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v2-0269", "text": "ILTATJAQQBCANLHHLWQ", "ciphertext": "ILTATJAQQBCANLHHLWQ", "plaintext": "CODED MESSAGE FOLLOWS", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BRITAIN"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016833", "text": "K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ· ¬· ⌣· ⌐ ¬· ┐· ⌐ K K L ┌· ─ ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ L ┌· ┌· ┘· ┌· r ┘· ┌· ┌· L r K Γ· ┘· ─ ⌐ ─ Γ Γ L K L r K Γ· ┘· ─ ⌐ ┌· L ⌐· X· ─ Γ ⌐ ┌ L ─ K ⌐ └ K ┘· X L r X· ┌· L X ⌒· X K L ┌ X", "ciphertext": "K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ· ¬· ⌣· ⌐ ¬· ┐· ⌐ K K L ┌· ─ ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ L ┌· ┌· ┘· ┌· r ┘· ┌· ┌· L r K Γ· ┘· ─ ⌐ ─ Γ Γ L K L r K Γ· ┘· ─ ⌐ ┌· L ⌐· X· ─ Γ ⌐ ┌ L ─ K ⌐ └ K ┘· X L r X· ┌· L X ⌒· X K L ┌ X", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "hard", "language": "en", "text_length": 86, "length": 86, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v3-0042", "text": "CNT CPSF CNT", "ciphertext": "CNT CPSF CNT", "plaintext": "DOT DASH DOT", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "beginner", "language": "en", "text_length": 10, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-la-029", "text": "RXTHGX FSTX ZNJ", "ciphertext": "RXTHGX FSTX ZNJ", "plaintext": "COGITO ERGO SUM", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"type": "keyword", "value": "7,3"}, "difficulty": "beginner", "language": "la", "text_length": 13, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "pigpen-027", "text": "╳ ┬ ┼ ╳ ┐• ⌐ ┌• ┐ ╲ ╲ ┼ ╳", "ciphertext": "╳ ┬ ┼ ╳ ┐• ⌐ ┌• ┐ ╲ ╲ ┼ ╳", "plaintext": "THE TRAP IS SET", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 25, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "four-square-v2-0419", "text": "DGASUUDNUHSBOLQSGCKADDTOEFTOFUXQNUHFUURCLNAFRNMTSPGDRMGSFUMDATRLOERSPULGIASS", "ciphertext": "DGASUUDNUHSBOLQSGCKADDTOEFTOFUXQNUHFUURCLNAFRNMTSPGDRMGSFUMDATRLOERSPULGIASS", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0342", "text": "DMRPOKYIRBTXUQHLOWSTFLLEDHHDFYXVYLVTKXWLVCPXMXVJOAVVHHGQRHHEZRAVAMSHWLPTXETW", "ciphertext": "DMRPOKYIRBTXUQHLOWSTFLLEDHHDFYXVYLVTKXWLVCPXMXVJOAVVHHGQRHHEZRAVAMSHWLPTXETW", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003173", "text": "TVAOLHRHAIOERRECRHETRAEEESMNHUANKSESTEINVATNGISLCSXDTEMMCELREELEGROXEURASORPOEVLSEYFXTDNKADSHNDICLBPLXEISITEIAGSDIIRTEXCEBNBSNBCSEPNABTXTSEGABGELTNHETLTXIPFCSYTTARCEAOOEX", "ciphertext": "TVAOLHRHAIOERRECRHETRAEEESMNHUANKSESTEINVATNGISLCSXDTEMMCELREELEGROXEURASORPOEVLSEYFXTDNKADSHNDICLBPLXEISITEIAGSDIIRTEXCEBNBSNBCSEPNABTXTSEGABGELTNHETLTXIPFCSYTTARCEAOOEX", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS ATBASH ENCODES BY REVERSING THE ALPHABET A STRONG CLAIM NEEDS STRONG EVIDENCE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "scytale", "cipher": "scytale", "key": {"cols": 10}, "difficulty": "hard", "language": "en", "text_length": 170, "length": 170, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "m209-v3-0154", "text": "VQSHBYWWQNVPXTNPEZRZDPAUPTHAPYUMPFAYWWNPWSWDLJWZOIYYRPAJZPJJUPXIIYRS", "ciphertext": "VQSHBYWWQNVPXTNPEZRZDPAUPTHAPYUMPFAYWWNPWSWDLJWZOIYYRPAJZPJJUPXIIYRS", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v3-0231", "text": "CCPSCNTMTYVTR", "ciphertext": "CCPSCNTMTYVTR", "plaintext": "FULL SAIL AHEAD", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 37}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0005159", "text": "VAXO QAUG PWCJ NBLQ MRLE WDEP VEYP RDJT YTLN APHT ROUD KZAR PFID TGQI CZRY LUMN CNZT VGTJ AYLJ CAET WTYA CTIJ WEPA CDLN YVXD JNPP RPWU KOOP LJJO WZQE AAAA AAKW PSAR ABED LYYR WTEO UDKD NNPP EDLY YRIN SRPR LHBR BXLT KYNO WPXD IXMP XDGI EWNN CQBU WEWQ WDPZ", "ciphertext": "VAXO QAUG PWCJ NBLQ MRLE WDEP VEYP RDJT YTLN APHT ROUD KZAR PFID TGQI CZRY LUMN CNZT VGTJ AYLJ CAET WTYA CTIJ WEPA CDLN YVXD JNPP RPWU KOOP LJJO WZQE AAAA AAKW PSAR ABED LYYR WTEO UDKD NNPP EDLY YRIN SRPR LHBR BXLT KYNO WPXD IXMP XDGI EWNN CQBU WEWQ WDPZ", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS", "label": "beaufort", "cipher": "beaufort", "key": {"key": "CIPHER"}, "difficulty": "hard", "language": "en", "text_length": 204, "length": 204, "attack_methods": ["kasiski_examination", "friedman_test", "index_of_coincidence"], "educational_note": "Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v3-0239", "text": "3563523288202204761332229202822", "ciphertext": "3563523288202204761332229202822", "plaintext": "SONS OF LIBERTY ASSEMBLE", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 31, "length": 31, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016292", "text": "23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33", "ciphertext": "23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "bifid-v2-0199", "text": "RTRSFISFXSFTBXIHNONREIGOFTBOHKSBGFANRFSCDIKWEIXQGYXAVGLAUAYDBZNZEDKSBSNZOVAYBWM", "ciphertext": "RTRSFISFXSFTBXIHNONREIGOFTBOHKSBGFANRFSCDIKWEIXQGYXAVGLAUAYDBZNZEDKSBSNZOVAYBWM", "plaintext": "THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015978", "text": "takes heads eight parts local after years front alert inner route cover input posts heads eight right enemy notes claim range years parts three south", "ciphertext": "takes heads eight parts local after years front alert inner route cover input posts heads eight right enemy notes claim range years parts three south", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "null_cipher", "cipher": "null_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 125, "length": 125, "attack_methods": ["acrostic_detection", "first_letter_extraction"], "educational_note": "Null/steganographic cipher: hidden message formed by first letters of words.", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0320", "text": "169 167 142 179 118 172 140 101 140 149 145 140 121 160 121 122 172 175 131 132 101 119 140 111 142 128 105 179 140 178 156 118 180 118 169 167 142 179 118 172 140 101 140 149 134 151 182 157 130 138 142 158 114 120 178 164 119 142", "ciphertext": "169 167 142 179 118 172 140 101 140 149 145 140 121 160 121 122 172 175 131 132 101 119 140 111 142 128 105 179 140 178 156 118 180 118 169 167 142 179 118 172 140 101 140 149 134 151 182 157 130 138 142 158 114 120 178 164 119 142", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 174, "length": 231, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0032", "text": "OXYONKOXMIOJREVBAVPYGOCDUF", "ciphertext": "OXYONKOXMIOJREVBAVPYGOCDUF", "plaintext": "THE SHOT HEARD ROUND THE WORLD", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0562", "text": "BOHUHKBRHAQKARLYGHLTKFJSQTBGRKJLPPFVHVLATSJLPXIYPLQXKFOIVHRLSLPHUFPG", "ciphertext": "BOHUHKBRHAQKARLYGHLTKFJSQTBGRKJLPPFVHVLATSJLPXIYPLQXKFOIVHRLSLPHUFPG", "plaintext": "NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 53}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "lorenz-v2-0214", "text": "LALIBERTEGUIDANTLEPEUPLGVERSUNAVENIRMEILLEURETPLUSJUSTGPOURTOUSLESHOMMESLIBRES", "ciphertext": "LALIBERTEGUIDANTLEPEUPLGVERSUNAVENIRMEILLEURETPLUSJUSTGPOURTOUSLESHOMMESLIBRES", "plaintext": "LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "FISH"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022041", "text": "VEVIB HBHGV NMVVW HZMSL MVHGG SIVZG NLWVO", "ciphertext": "VEVIB HBHGV NMVVW HZMSL MVHGG SIVZG NLWVO", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 35, "length": 35, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "kryha-v2-0344", "text": "WNCYCHZMJZLLIQUITZCSKDGRSTPZFMTAMSBCILQDKGKUBOORKIXAPRNKNISTHSNRDZXBNJCOSOVVBI", "ciphertext": "WNCYCHZMJZLLIQUITZCSKDGRSTPZFMTAMSBCILQDKGKUBOORKIXAPRNKNISTHSNRDZXBNJCOSOVVBI", "plaintext": "YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "PRAGUE"}, "difficulty": "expert", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-035", "text": "KVJWRKALQAFRLTALHHALTWFQAKCLLSLAYVIMALHCBR", "ciphertext": "KVJWRKALQAFRLTALHHALTWFQAKCLLSLAYVIMALHCBR", "plaintext": "IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CARDANO"}, "difficulty": "advanced", "language": "en", "text_length": 42, "length": 42, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-v3-0260", "text": "G7JKQICDVJXIKEICKXEO7D7KHOGKCCKPAOKBDDKXFPEFVJDDPURRAD5OO7WANLPFJVEFK5FXA", "ciphertext": "G7JKQICDVJXIKEICKXEO7D7KHOGKCCKPAOKBDDKXFPEFVJDDPURRAD5OO7WANLPFJVEFK5FXA", "plaintext": "DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0793", "text": "YIMKVVYGDFLCVSZHTAIXHYQYEMUNIDCSXVGWOHRFPNBXYUYSPNHIAUXDLDCXTQURJSMVHLSXRUZ", "ciphertext": "YIMKVVYGDFLCVSZHTAIXHYQYEMUNIDCSXVGWOHRFPNBXYUYSPNHIAUXDLDCXTQURJSMVHLSXRUZ", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "VWX"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-v2-0300", "text": "TFZDSJDJBPTUVALCBJLGFTKZZUUZIJYASRHOTERIROJZGNREQGHXROMLQZLRXHGHNSPA", "ciphertext": "TFZDSJDJBPTUVALCBJLGFTKZZUUZIJYASRHOTERIROJZGNREQGHXROMLQZLRXHGHNSPA", "plaintext": "ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-139", "text": "36 56 24 56 29 32 64 57 23 52 27 26", "ciphertext": "36 56 24 56 29 32 64 57 23 52 27 26", "plaintext": "THE TRAP IS SET", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "keyword": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-037", "text": "24873529528820591763924873529522501256082270019821272554976", "ciphertext": "24873529528820591763924873529522501256082270019821272554976", "plaintext": "GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "ATONESIRE"}, "difficulty": "advanced", "language": "en", "text_length": 59, "length": 59, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v2-0792", "text": "RPKNKHHNPVRFQCMIRFGPNWFHRPRPDRARTEDOBFLMQOFNDIENQNKPBRMHAPQIIRXBTEPIFPRWILISIWINXY", "ciphertext": "RPKNKHHNPVRFQCMIRFGPNWFHRPRPDRARTEDOBFLMQOFNDIENQNKPBRMHAPQIIRXBTEPIFPRWILISIWINXY", "plaintext": "THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0007625", "text": "GURQ RGRP GVIR FGHQ VRFC NGGR EAFO RSBE RZNX VATP YNVZ FUHZ NAER NQNO YRBH GCHG FUBH YQFU BJNY YERN FBAV ATFG RCFU BARF GYL", "ciphertext": "GURQ RGRP GVIR FGHQ VRFC NGGR EAFO RSBE RZNX VATP YNVZ FUHZ NAER NQNO YRBH GCHG FUBH YQFU BJNY YERN FBAV ATFG RCFU BARF GYL", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS HONESTLY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 99, "length": 99, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v3-0259", "text": "474505121321873220242221861762228285747455211621350076895722821654401732228205425162120225622401732228220", "ciphertext": "474505121321873220242221861762228285747455211621350076895722821654401732228205425162120225622401732228220", "plaintext": "TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 105, "length": 105, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021181", "text": "AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA", "ciphertext": "AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA", "plaintext": "BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 205, "length": 205, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "lorenz-v2-0433", "text": "CGDEDTRANSMISSIONINDICATESENEMIFORCESASSEMBLINGALONGTHMBORDERWITHHEAVYARTILLERYUNITS", "ciphertext": "CGDEDTRANSMISSIONINDICATESENEMIFORCESASSEMBLINGALONGTHMBORDERWITHHEAVYARTILLERYUNITS", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v3-0242", "text": "L2HMSABXZHARJCOSW", "ciphertext": "L2HMSABXZHARJCOSW", "plaintext": "OLD IRONSIDES HOLDS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v3-0438", "text": "DDAAAADDFDFADDGFDGAXAGXGXAXGXDDAXAADGGGAXFAGAFXADGXDDDFGDXDAGGDGXGGDXADFXDFADXGDXGFGDXFGAFAGDDXFGFDDDGDXFXFAXGXFADGDXXDDXFDDFDDFFDDGGDFDDGGAGFGFDAFD", "ciphertext": "DDAAAADDFDFADDGFDGAXAGXGXAXGXDDAXAADGGGAXFAGAFXADGXDDDFGDXDAGGDGXGGDXADFXDFADXGDXGFGDXFGAFAGDDXFGFDDDGDXFXFAXGXFADGDXXDDXFDDFDDFFDDGGDFDDGGAGFGFDAFD", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nomenclator-v3-0150", "text": "60 06 01 03 20 15 18 25 18 15 01 18 19", "ciphertext": "60 06 01 03 20 15 18 25 18 15 01 18 19", "plaintext": "THE FACTORY ROARS", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v3-0352", "text": "WYJWAC", "ciphertext": "WYJWAC", "plaintext": "EUREKA", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 5, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 6, "length": 6, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0253", "text": "24 36 77 35 36 36 43 54 46 88 44 47 57 43 24 68 90 35 27 37 66 54 37 90 22 45 56 43 35 26 77 43 44 48 86 58 37 87 42 38 68 77 24 57 96 43 25 58 45 46 25 99 22 35 68 46 58 37 87 42 38 48 77 27 37 86 22 26 57 77 24 57 56 34 54", "ciphertext": "24 36 77 35 36 36 43 54 46 88 44 47 57 43 24 68 90 35 27 37 66 54 37 90 22 45 56 43 35 26 77 43 44 48 86 58 37 87 42 38 68 77 24 57 96 43 25 58 45 46 25 99 22 35 68 46 58 37 87 42 38 48 77 27 37 86 22 26 57 77 24 57 56 34 54", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "keyword": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 224, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v2-0233", "text": "TCIFGQCFSOBRGSJSBMSOFGOUCCIFTOHVSFGPFCIUVHTCFHVCBHVWGQCBHWBSBHOBSKBOHWCBQCBQSWJSRWBZWPSFHMOBRRSRWQOHSRHCHVSDFCDCGWHWCBHVOHOZZASBOFSQFSOHSRSEIOZ", "ciphertext": "TCIFGQCFSOBRGSJSBMSOFGOUCCIFTOHVSFGPFCIUVHTCFHVCBHVWGQCBHWBSBHOBSKBOHWCBQCBQSWJSRWBZWPSFHMOBRRSRWQOHSRHCHVSDFCDCGWHWCBHVOHOZZASBOFSQFSOHSRSEIOZ", "plaintext": "FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JOSEON"}, "difficulty": "beginner", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015580", "text": "14.22.15 4.26.9 19.32.13 19.45.7 17.1.6 11.4.11 9.30.13 9.9.10 1.36.3 16.33.14 4.4.9 9.44.9 14.22.13 1.18.12 13.46.9 12.34.4 8.35.13 19.8.5 8.34.5 11.48.10 3.5.5 19.2.13 2.42.5 4.49.1 15.38.3 12.14.8 11.50.5 15.25.2 11.39.3 14.11.12 11.13.11 6.15.4 6.45.4 15.42.15 5.10.10 18.37.9 6.47.3 11.35.2 13.32.7 9.17.7 16.5.13 4.48.4 15.48.2 18.13.10 10.9.3 17.32.13 4.48.13 10.47.4 1.28.10 1.46.2 19.43.9 6.33.15 17.44.2 5.37.5 8.4.1 17.21.3 8.4.12 20.29.13 6.8.2 11.49.15 2.44.4 1.29.8 2.27.13 19.42.7 13.31.9 4.40.13 12.23.3 6.31.6 2.33.10 14.19.9 15.6.11 2.26.2", "ciphertext": "14.22.15 4.26.9 19.32.13 19.45.7 17.1.6 11.4.11 9.30.13 9.9.10 1.36.3 16.33.14 4.4.9 9.44.9 14.22.13 1.18.12 13.46.9 12.34.4 8.35.13 19.8.5 8.34.5 11.48.10 3.5.5 19.2.13 2.42.5 4.49.1 15.38.3 12.14.8 11.50.5 15.25.2 11.39.3 14.11.12 11.13.11 6.15.4 6.45.4 15.42.15 5.10.10 18.37.9 6.47.3 11.35.2 13.32.7 9.17.7 16.5.13 4.48.4 15.48.2 18.13.10 10.9.3 17.32.13 4.48.13 10.47.4 1.28.10 1.46.2 19.43.9 6.33.15 17.44.2 5.37.5 8.4.1 17.21.3 8.4.12 20.29.13 6.8.2 11.49.15 2.44.4 1.29.8 2.27.13 19.42.7 13.31.9 4.40.13 12.23.3 6.31.6 2.33.10 14.19.9 15.6.11 2.26.2", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "porta-v2-0673", "text": "VEYINMLPFBORLBCSBZJNMNGQBYQPBCLAYFAMUYBCMJUEVZYHHMPFORA", "ciphertext": "VEYINMLPFBORLBCSBZJNMNGQBYQPBCLAYFAMUYBCMJUEVZYHHMPFORA", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "porta", "cipher": "porta", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PAPAL"}, "difficulty": "intermediate", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0352", "text": "64 63 86 39 57 87 11 33 65 13 28 44 29 25 61 69 33 65 48 11 38 29 33 65 13 28 44 69 33 65 29 38 58 63 77 87 75 69 88 29 33 64 69 65 12 48 11 43 71 86 28 44 41 63 45 29 11 61 46 39 28 64 69 11 42 28 27 38 29", "ciphertext": "64 63 86 39 57 87 11 33 65 13 28 44 29 25 61 69 33 65 48 11 38 29 33 65 13 28 44 69 33 65 29 38 58 63 77 87 75 69 88 29 33 64 69 65 12 48 11 43 71 86 28 44 41 63 45 29 11 61 46 39 28 64 69 11 42 28 27 38 29", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 138, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v3-1001", "text": "RBO IWRRGO KM AORRYQITPA GWQROD RBPOO DWYQ WJD SKQR KUOP MCMRY RBKTQWJD SWQTWGRCOQ RKRWG", "ciphertext": "RBO IWRRGO KM AORRYQITPA GWQROD RBPOO DWYQ WJD SKQR KUOP MCMRY RBKTQWJD SWQTWGRCOQ RKRWG", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "beginner", "language": "en", "text_length": 75, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014535", "text": "20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 2 19 20 9 20 21 20 9 15 14 3 9 16 8 5 18 19 13 1 16 5 1 3 8 12 5 20 20 5 18 20 15 1 4 9 6 6 5 18 5 14 20 12 5 20 20 5 18", "ciphertext": "20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 2 19 20 9 20 21 20 9 15 14 3 9 16 8 5 18 19 13 1 16 5 1 3 8 12 5 20 20 5 18 20 15 1 4 9 6 6 5 18 5 14 20 12 5 20 20 5 18", "plaintext": "THE MESSAGE WAS HIDDEN BUT NOT SECURE THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "playfair-v2-0167", "text": "HFEAPHHIFKRWEAPHHIRQBORKMHGBDMAKAVRZFEAFBRTRYONHRKAGDHGDCWHFEAPHHIRYRKIZGURTTRXY", "ciphertext": "HFEAPHHIFKRWEAPHHIRQBORKMHGBDMAKAVRZFEAFBRTRYONHRKAGDHGDCWHFEAPHHIRYRKIZGURTTRXY", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0298", "text": "54929151875843088481941584700584187384374578781037878788592875885841873889487928781349157878118783187700947691", "ciphertext": "54929151875843088481941584700584187384374578781037878788592875885841873889487928781349157878118783187700947691", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 110, "length": 110, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jn25-v2-0377", "text": "21244 21232 21239 21231 21242 21239 21235 21244 21237 21233 21240 21232 21239 21242 21249 21230 21246 21249 21255 21233 21243 21258 21233 21256 21233 21248 21256 21239 21248 21244 21239 21238 21236 21259 21235 21248 21244 21249 21233 21248 21239 21235 21248 21238 21236 21249 21248 21235 21256 21239 21248 21244 21255 21242 21239 21242 21249 21243 21243 21233 21231 21248 21249 21246 21255 21243 21239 21238 21235 21248 21249 21247 21239 21248 21237 21246 21235 21244 21249 21242 21249 21230 21249 21256 21239 21242 21230 21233 21256 21239 21232 21255 21248 21238 21242 21239 21238 21248 21255 21247 21236 21239 21242 21243 21242 21239 21240 21242 21239 21243 21239 21248 21244 21233 21248 21231 21243 21259 21246 21246 21235 21236 21246 21239 21243 21257 21249 21242 21238 21243 21235 21248 21238 21248 21255 21246 21246 21243 21235 21248 21238 21242 21239 21247 21235 21233 21248 21239 21238 21255 21248 21236 21242 21249 21245 21239 21248 21230 21249 21242 21244 21257 21249 21237 21239 21248 21244 21255 21242 21233 21239 21243", "ciphertext": "21244 21232 21239 21231 21242 21239 21235 21244 21237 21233 21240 21232 21239 21242 21249 21230 21246 21249 21255 21233 21243 21258 21233 21256 21233 21248 21256 21239 21248 21244 21239 21238 21236 21259 21235 21248 21244 21249 21233 21248 21239 21235 21248 21238 21236 21249 21248 21235 21256 21239 21248 21244 21255 21242 21239 21242 21249 21243 21243 21233 21231 21248 21249 21246 21255 21243 21239 21238 21235 21248 21249 21247 21239 21248 21237 21246 21235 21244 21249 21242 21249 21230 21249 21256 21239 21242 21230 21233 21256 21239 21232 21255 21248 21238 21242 21239 21238 21248 21255 21247 21236 21239 21242 21243 21242 21239 21240 21242 21239 21243 21239 21248 21244 21233 21248 21231 21243 21259 21246 21246 21235 21236 21246 21239 21243 21257 21249 21242 21238 21243 21235 21248 21238 21248 21255 21246 21246 21243 21235 21248 21238 21242 21239 21247 21235 21233 21248 21239 21238 21255 21248 21236 21242 21249 21245 21239 21248 21230 21249 21242 21244 21257 21249 21237 21239 21248 21244 21255 21242 21233 21239 21243", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "11235"}, "difficulty": "expert", "language": "en", "text_length": 860, "length": 1031, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-vg-0055", "text": "BIDLIDPPJSXGTAAUPUHGGOAMSEDZXYXRJS+YFFFMERCOOFCOEISJZIFRSCQMV+R+ESTBE+RZD", "ciphertext": "BIDLIDPPJSXGTAAUPUHGGOAMSEDZXYXRJS+YFFFMERCOOFCOEISJZIFRSCQMV+R+ESTBE+RZD", "plaintext": "COMMIT YOUR WORKS UNTO THE LORD AND YOUR THOUGHTS SHALL BE ESTABLISHED BY HIS GREAT HAND", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 73, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v2-0015", "text": "11 12 34 42 44 11 33 14 52 24 44 23 14 42 11 52", "ciphertext": "11 12 34 42 44 11 33 14 52 24 44 23 14 42 11 52", "plaintext": "ABORT AND WITHDRAW", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 32, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-v2-0068", "text": "12 31 15 43 43 15 14 11 42 15 44 23 15 35 45 42 15 24 33 23 15 11 42 44 21 34 42 44 23 15 54 43 23 11 31 31 43 15 15 22 34 14 11 33 14 12 31 15 43 43 15 14 11 42 15 44 23 15 35 15 11 13 15 32 11 25 15 42 43 11 32 34 33 22 45 43", "ciphertext": "12 31 15 43 43 15 14 11 42 15 44 23 15 35 45 42 15 24 33 23 15 11 42 44 21 34 42 44 23 15 54 43 23 11 31 31 43 15 15 22 34 14 11 33 14 12 31 15 43 43 15 14 11 42 15 44 23 15 35 15 11 13 15 32 11 25 15 42 43 11 32 34 33 22 45 43", "plaintext": "BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 152, "length": 227, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-la-044", "text": "RDMZASX", "ciphertext": "RDMZASX", "plaintext": "FIAT LUX", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "la", "text_length": 7, "length": 7, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0014248", "text": "44 23 15 44 42 24 44 23 15 32 24 45 43 13 24 35 23 15 42 11 14 51 11 33 13 15 43 44 23 15 11 31 35 23 11 12 15 44 12 54 34 33 15 35 34 43 24 44 24 34 33 15 11 13 23 31 15 44 44 15 42 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 13 31 11 43 43 24 13 11 31 13 24 35 23 15 42 43 44 15 11 13 23 52 23 54 32 34 14 15 42 33 43 15 13 45 42 24 44 54 32 11 44 44 15 42 43 23 24 31 31 13 24 35 23 15 42 45 43 15 43 31 24 33 15 11 42 11 31 22 15 12 42 11 44 34 15 33 13 42 54 35 44 12 31 34 13 25 43 34 21 31 15 44 44 15 42 43", "ciphertext": "44 23 15 44 42 24 44 23 15 32 24 45 43 13 24 35 23 15 42 11 14 51 11 33 13 15 43 44 23 15 11 31 35 23 11 12 15 44 12 54 34 33 15 35 34 43 24 44 24 34 33 15 11 13 23 31 15 44 44 15 42 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 13 31 11 43 43 24 13 11 31 13 24 35 23 15 42 43 44 15 11 13 23 52 23 54 32 34 14 15 42 33 43 15 13 45 42 24 44 54 32 11 44 44 15 42 43 23 24 31 31 13 24 35 23 15 42 45 43 15 43 31 24 33 15 11 42 11 31 22 15 12 42 11 44 34 15 33 13 42 54 35 44 12 31 34 13 25 43 34 21 31 15 44 44 15 42 43", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "hard", "language": "en", "text_length": 226, "length": 226, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0011718", "text": "CFPHI IPSIE RGTHL ORHTA EEAEN FEEZN SAXRE SEBDS ATEPT NWTGL OPIRC HOTHR SEBSE EINAW LTATC RIYAH ILTTA IEZTY", "ciphertext": "CFPHI IPSIE RGTHL ORHTA EEAEN FEEZN SAXRE SEBDS ATEPT NWTGL OPIRC HOTHR SEBSE EINAW LTATC RIYAH ILTTA IEZTY", "plaintext": "CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN SLOWLY", "label": "stager_route", "cipher": "stager_route", "key": {"cols": 9}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "autokey-v3-0189", "text": "YVVIFAWJLUSIRAPVYNHXGXZXNENRLMSWZXUGMLFBLAEVSFTRBAYVWBFTZXLXASEVVHKSLLVNXDMSL", "ciphertext": "YVVIFAWJLUSIRAPVYNHXGXZXNENRLMSWZXUGMLFBLAEVSFTRBAYVWBFTZXLXASEVVHKSLLVNXDMSL", "plaintext": "THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v3-0172", "text": "MQBTAHGFYBGCCQNZFNKACSBEQZFNDWDDCNJIKUDUJYDOIMFOYCGXZBDDKVRUVSLACUGZOWNZUHZ", "ciphertext": "MQBTAHGFYBGCCQNZFNKACSBEQZFNDWDDCNJIKUDUJYDOIMFOYCGXZBDDKVRUVSLACUGZOWNZUHZ", "plaintext": "THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "DEF"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-1007", "text": "AIMIZLBBEQWIMTWMMWWQZYQXQUWMPBLEJAIUUWKVLBVFJVOIXMUUCTMYPAUQNOWNCZFLCVVNMPKSBBQZVGWXMYGQXMOVVFZLEVWUIFZUZLQZGALOBKVNTGNTHCTGADPZFAHOLPCSMACVKSMOIPOMFCUCZQSLONQZAXWEMUUCTQLT", "ciphertext": "AIMIZLBBEQWIMTWMMWWQZYQXQUWMPBLEJAIUUWKVLBVFJVOIXMUUCTMYPAUQNOWNCZFLCVVNMPKSBBQZVGWXMYGQXMOVVFZLEVWUIFZUZLQZGALOBKVNTGNTHCTGADPZFAHOLPCSMACVKSMOIPOMFCUCZQSLONQZAXWEMUUCTQLT", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "71828"}, "difficulty": "intermediate", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-140", "text": "XWEDVFNWUDME WAIYZ", "ciphertext": "XWEDVFNWUDME WAIYZ", "plaintext": "CRYPTOGRAPHY RULES", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020066", "text": "THEAU TOKEY CIPHZ REXTE NDSTH EKEYW ITHTX EPLAZ NTEXT ITSEX FTHEI NDEXO FCOIX CIDEN CEISX USEFU LCLUE BRUTE FORCE WORKS ONLYW HENTX EKEYS PACEI SSMAX LCXXX", "ciphertext": "THEAU TOKEY CIPHZ REXTE NDSTH EKEYW ITHTX EPLAZ NTEXT ITSEX FTHEI NDEXO FCOIX CIDEN CEISX USEFU LCLUE BRUTE FORCE WORKS ONLYW HENTX EKEYS PACEI SSMAX LCXXX", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE INDEX OF COINCIDENCE IS A USEFUL CLUE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 130, "length": 130, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "cda-0013432", "text": "THEA UTOK EYCI PHER EXTX NDST XEKE YWIT HTZE PLAZ NTEX XITS ELFB EDZ", "ciphertext": "THEA UTOK EYCI PHER EXTX NDST XEKE YWIT HTZE PLAZ NTEX XITS ELFB EDZ", "plaintext": "THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "rot13-v2-0095", "text": "GUR PVCURE QVFX JNF VAIRAGRQ OL YRBA ONGGVFGN NYOREGV N ERANVFFNAPR NEPUVGRPG NAQ TERNG UHZNAVFG", "ciphertext": "GUR PVCURE QVFX JNF VAIRAGRQ OL YRBA ONGGVFGN NYOREGV N ERANVFFNAPR NEPUVGRPG NAQ TERNG UHZNAVFG", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "rot13", "cipher": "rot13", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 82, "length": 96, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0865", "text": "PTULTAIYTPTLLTALJTTMTSPHRBPIMTAPYHQTTPBPMNTPSYIMTGSVBLHBSHTOSLTIVFLOHMMTMMSEGTNTFJJSFSTOHBPIPMTALJQTGTNQCITOAPYIUTNFLLIYTAPVTLPBPTNQIYIBLQTPHBPHMHIMINTFIFHGQJXBFEAM", "ciphertext": "PTULTAIYTPTLLTALJTTMTSPHRBPIMTAPYHQTTPBPMNTPSYIMTGSVBLHBSHTOSLTIVFLOHMMTMMSEGTNTFJJSFSTOHBPIPMTALJQTGTNQCITOAPYIUTNFLLIYTAPVTLPBPTNQIYIBLQTPHBPHMHIMINTFIFHGQJXBFEAM", "plaintext": "WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 71}, "difficulty": "advanced", "language": "en", "text_length": 164, "length": 164, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-vf-0023", "text": "OLCKWHWZGICXVSFFMMZICIXBDCCJXHLLGCSKVEPURHLYPKSFWRHFVAAWICSKQMUXVXSX", "ciphertext": "OLCKWHWZGICXVSFFMMZICIXBDCCJXHLLGCSKVEPURHLYPKSFWRHFVAAWICSKQMUXVXSX", "plaintext": "WHATSOEVER YE DO DO IT HEARTILY AS TO THE LORD AND NOT UNTO MEN FOR HIS GLORY IS GREAT", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "culper-ring-007", "text": "998 800 801 814 817 819 999 998 812 808 818 818 808 814 813 999 162", "ciphertext": "998 800 801 814 817 819 999 998 812 808 818 818 808 814 813 999 162", "plaintext": "ABORT MISSION NOW", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 51, "length": 67, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nihilist-083", "text": "78 59 58 59 66 56 47 57 86 58 60 78", "ciphertext": "78 59 58 59 66 56 47 57 86 58 60 78", "plaintext": "THE TRAP IS SET", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "CIPHER", "keyword": "MUSEUM"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "trithemius-v2-0006", "text": "TIG SEXY PA QOWP", "ciphertext": "TIG SEXY PA QOWP", "plaintext": "THE PASS IS HELD", "label": "trithemius", "cipher": "trithemius", "cipher_family": "polyalphabetic", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0042", "text": "TRDTHTURIHHEFEEDTRSCOLVROOEOEOEUOUGUSVNNMGARESH", "ciphertext": "TRDTHTURIHHEFEEDTRSCOLVROOEOEOEUOUGUSVNNMGARESH", "plaintext": "THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 47, "length": 47, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0007", "text": "54 24 86 58 38 59 56 63 75 58 57 50 63 66", "ciphertext": "54 24 86 58 38 59 56 63 75 58 57 50 63 66", "plaintext": "MARCH TO VICTORY", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "PALACE", "keyword": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0279", "text": "VGAAXFVAXDVAADVDDGAAAAFDXFVAGDXDDDAGXFFDDDGXADDVDADAAAAADADAAFAFADAAADFAVGXDAGFAXAAAADAGXFDFXAADADDFAFXFXDFXFVDVFXAADDGXAVDVAXADXGDDXDDFFAFFGDAAXDFDXG", "ciphertext": "VGAAXFVAXDVAADVDDGAAAAFDXFVAGDXDDDAGXFFDDDGXADDVDADAAAAADADAAFAFADAAADFAVGXDAGFAXAAAADAGXFDFXAADADDFAFXFXDFXFVDVFXAADDGXAVDVAXADXGDDXDDFFAFFGDAAXDFDXG", "plaintext": "NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 150, "length": 150, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0090", "text": "XKCSSOIYRNLKOEHABXGQIFUXQYLHLGIHSZYRWLSZYJIZHZYKRYCZCQOELZCDCZSNHXGLSZXPULIA", "ciphertext": "XKCSSOIYRNLKOEHABXGQIFUXQYLHLGIHSZYRWLSZYJIZHZYKRYCZCQOELZCDCZSNHXGLSZXPULIA", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003620", "text": "WXS TWXBVF ILQLFX HOGSESUW EOJSEQNV XMUN WXS QUOZFJAV BPQNDCIUY UPYUK FJTIKUT VFGG B KSOG JR B VUFWDXLCIE MHPQFZUJG QGWUIST VVFTZLUYUORO GJVKFVT SDQ IBIK MIUZHS XP G GJJGKUFRU RHUXFX", "ciphertext": "WXS TWXBVF ILQLFX HOGSESUW EOJSEQNV XMUN WXS QUOZFJAV BPQNDCIUY UPYUK FJTIKUT VFGG B KSOG JR B VUFWDXLCIE MHPQFZUJG QGWUIST VVFTZLUYUORO GJVKFVT SDQ IBIK MIUZHS XP G GJJGKUFRU RHUXFX", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "31416"}, "difficulty": "hard", "language": "en", "text_length": 155, "length": 155, "attack_methods": ["kasiski_examination", "digit_key_brute_force"], "educational_note": "Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).", "source": "synthetic_educational"}
{"id": "two-square-v2-0320", "text": "BKPPTURILHPPDGORENNWELHMRFOAUIQIRGFASKBERNBSREAMRGEGKORFLALUGMCSIPHEMHCSPULA", "ciphertext": "BKPPTURILHPPDGORENNWELHMRFOAUIQIRGFASKBERNBSREAMRGEGKORFLALUGMCSIPHEMHCSPULA", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "purple-v3-0304", "text": "GCJOMYRNWYAISQVDLHAEYEAAXNBPITDCKBVNKQBILBQIKJQPYOUUSUPGTXGAOMBEREEHAFKNPWTOLSPJOQFAVCSVUPIWTTETTRWECKQUBTXEQVUXWDPGHUHDYLOEKERJAULBVWANTXPLHVNDHOVPULYVJJGNWCSZYIZQE", "ciphertext": "GCJOMYRNWYAISQVDLHAEYEAAXNBPITDCKBVNKQBILBQIKJQPYOUUSUPGTXGAOMBEREEHAFKNPWTOLSPJOQFAVCSVUPIWTTETTRWECKQUBTXEQVUXWDPGHUHDYLOEKERJAULBVWANTXPLHVNDHOVPULYVJJGNWCSZYIZQE", "plaintext": "ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "SAKURA"}, "difficulty": "expert", "language": "en", "text_length": 165, "length": 165, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0074", "text": "SGAUAHDNLOSSBTIICBVBMTPEQGDSTRNCFDSSUONOTQCECWAPTGIIAUYNNRHTPETRAUIFIBOFTNPLXY", "ciphertext": "SGAUAHDNLOSSBTIICBVBMTPEQGDSTRNCFDSSUONOTQCECWAPTGIIAUYNNRHTPETRAUIFIBOFTNPLXY", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v2-0298", "text": "SFWUJZJYWYWGMUFWUSFJIFSMIWPPWQVZMXLWYLVUFMQYWGMSVHPAZGMPPWZZSMMU", "ciphertext": "SFWUJZJYWYWGMUFWUSFJIFSMIWPPWQVZMXLWYLVUFMQYWGMSVHPAZGMPPWZZSMMU", "plaintext": "WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 64, "length": 64, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0039", "text": "DYMUPKLIVYJJDWFPLFASG", "ciphertext": "DYMUPKLIVYJJDWFPLFASG", "plaintext": "THE EXPERIMENT CONFIRMS", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0287", "text": "DDGGXGFVAAAAFFVAAXGDFDAA", "ciphertext": "DDGGXGFVAAAAFFVAAXGDFDAA", "plaintext": "IN GOD WE TRUST", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "TRIUMPH", "columnar": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v2-0478", "text": "DTJVHWEDDMXBBCHODDMXBBWOUPYGLGBRLACLLHRBWHODBMXJVZANMLBHSYGEEWZWMSERK", "ciphertext": "DTJVHWEDDMXBBCHODDMXBBWOUPYGLGBRLACLLHRBWHODBMXJVZANMLBHSYGEEWZWMSERK", "plaintext": "LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "STONEWALL"}, "difficulty": "intermediate", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v3-0383", "text": "RILOUOQKKSOPMLRDKKLUWRXY", "ciphertext": "RILOUOQKKSOPMLRDKKLUWRXY", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "WISDOM", "key2": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013137", "text": "01334 2850 1928 1890 02892 01585 00361 04478 1320 2533 1601 3866 3842 4144 00344 4481 2859 4458 06288 5722 4723 01316 6660 00955 01587 1289 05052 06686 00630 3808 02855 01011 3474 01575 07873 00955 05681 7948 5101 06286 04772 02200 05726 0340 5080 2552 7871 02873 4416 04456 2845 04409 01572 06328 01637 1570 4401 6003 01593 06985 01629 4476 6299 07930 05987 02910 07565 1917 5695 2881 1636 1328 04123 00363 04423 01636 5985 06334 2880 4103 00396 6376 1652 1281 3550 01604 7945 03840 01615 4457 2214 6308 02534 1885 5728 04751 04093 5966 06318 00336 06325 02846 06011 6344 2862 00982 05966 0720 01633 00339 06618 01900 4738 05727 06309 2831 05989 06353 02606 1648 05725 01655 00991 2906 5113 05672 4775 0980 00376 3808 04719 1897 06968 2846 2235 1648 04476 01638 5673 1587 0382 4460 01264 01281 01650 01037 05698 07939 05115 6286 6012 2887 6313 05971 01669 3822 01937 6368 2609 1624 0394 05710 00972 02583 02918 06283 01592 0998 06370 6680 05691 01597 5999 2561 4779 06630 03851 1306 4170 00323 03520 01648 4138 02875 5979 6668 06047 01659 2545 00344 05659 1311 01627 05671", "ciphertext": "01334 2850 1928 1890 02892 01585 00361 04478 1320 2533 1601 3866 3842 4144 00344 4481 2859 4458 06288 5722 4723 01316 6660 00955 01587 1289 05052 06686 00630 3808 02855 01011 3474 01575 07873 00955 05681 7948 5101 06286 04772 02200 05726 0340 5080 2552 7871 02873 4416 04456 2845 04409 01572 06328 01637 1570 4401 6003 01593 06985 01629 4476 6299 07930 05987 02910 07565 1917 5695 2881 1636 1328 04123 00363 04423 01636 5985 06334 2880 4103 00396 6376 1652 1281 3550 01604 7945 03840 01615 4457 2214 6308 02534 1885 5728 04751 04093 5966 06318 00336 06325 02846 06011 6344 2862 00982 05966 0720 01633 00339 06618 01900 4738 05727 06309 2831 05989 06353 02606 1648 05725 01655 00991 2906 5113 05672 4775 0980 00376 3808 04719 1897 06968 2846 2235 1648 04476 01638 5673 1587 0382 4460 01264 01281 01650 01037 05698 07939 05115 6286 6012 2887 6313 05971 01669 3822 01937 6368 2609 1624 0394 05710 00972 02583 02918 06283 01592 0998 06370 6680 05691 01597 5999 2561 4779 06630 03851 1306 4170 00323 03520 01648 4138 02875 5979 6668 06047 01659 2545 00344 05659 1311 01627 05671", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE ARCHITECTURE SHOULD MAKE MISUSE HARDER", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 194, "length": 194, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "gronsfeld-v2-0536", "text": "GTRCRKFAAUPYS", "ciphertext": "GTRCRKFAAUPYS", "plaintext": "E PLURIBUS UNUM", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "24680"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012312", "text": "66 36 82 66 80 50 66 36 82 77 50 59 61 52 50 65 36 82 80 68 11 95 68 29 52 82 61 66 36 82 68 57 65 36 68 20 82 66 20 43 69 29 82 65 69 61 50 66 50 69 29 82 68 52 36 57 82 66 66 82 80 36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 66 36 82 80 68 50 57 76 82 29 52 82 52 50 65 36 82 80 89 80 50 66 82 61 66 82 73 66 50 29 68 18 50 25 18 68 25 65 68 66 66 82 80 29", "ciphertext": "66 36 82 66 80 50 66 36 82 77 50 59 61 52 50 65 36 82 80 68 11 95 68 29 52 82 61 66 36 82 68 57 65 36 68 20 82 66 20 43 69 29 82 65 69 61 50 66 50 69 29 82 68 52 36 57 82 66 66 82 80 36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 66 36 82 80 68 50 57 76 82 29 52 82 52 50 65 36 82 80 89 80 50 66 82 61 66 82 73 66 50 29 68 18 50 25 18 68 25 65 68 66 66 82 80 29", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "wallis_cipher", "cipher": "wallis_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 146, "length": 146, "attack_methods": ["number_substitution_decode", "frequency_analysis"], "educational_note": "Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.", "source": "synthetic_educational"}
{"id": "cda-0018114", "text": "68 17 48 46 34 66 22 64 40 2 15 68 23 50 91 32 11 33 43 68 94 33 59 15 52 33 53 72 61 21 26 66 70 21 59 62 48 70 87 22 60 45 22 11 25 93 40 2 91 23 80 48 41 30 33 99 57 60 94", "ciphertext": "68 17 48 46 34 66 22 64 40 2 15 68 23 50 91 32 11 33 43 68 94 33 59 15 52 33 53 72 61 21 26 66 70 21 59 62 48 70 87 22 60 45 22 11 25 93 40 2 91 23 80 48 41 30 33 99 57 60 94", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "medium", "language": "en", "text_length": 59, "length": 59, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "alberti-disk-v3-0617", "text": "WPJNYDJYFWLCKNVXXLYDFLQDOTZESTBPWSWFJZICBVGSBJDODHYLVKEZTTPVUIWFECPOXJEZHNTDJJAHDALBKVLGDJYRULLCQFMKQKDTZRWPQWQUCWQETMNQNAKDXXQDOTZMNHBYHNLKSCOEVNBDGJDWTCWCZJK", "ciphertext": "WPJNYDJYFWLCKNVXXLYDFLQDOTZESTBPWSWFJZICBVGSBJDODHYLVKEZTTPVUIWFECPOXJEZHNTDJJAHDALBKVLGDJYRULLCQFMKQKDTZRWPQWQUCWQETMNQNAKDXXQDOTZMNHBYHNLKSCOEVNBDGJDWTCWCZJK", "plaintext": "THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 159, "length": 159, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0316", "text": "MGIPAPUWLYQBJQABRPWLYMDQBMLPUSLYQQAQUUYDSTGGJWIUWJWLYAYVMKGIUUYQYBMNABBGHPUQQBEYKTFMB", "ciphertext": "MGIPAPUWLYQBJQABRPWLYMDQBMLPUSLYQQAQUUYDSTGGJWIUWJWLYAYVMKGIUUYQYBMNABBGHPUQQBEYKTFMB", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 85, "length": 85, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-v3-0303", "text": "AAHOLZXGZRHIQXPYGQWSAJFGOJCSCYHJXBIQDDOGPPQLEIXVXIFLJRUMNXIGSGIBBEVTDFXSXMUOUPIWVZIVFOZPITHIHUNKMJXNIWDYFFBIVINJWXIRGTBYYQAZLDKNEZPRTMKBXQUTWOYVTKFJZQCXVYINKIKBXJSXITFLMXE", "ciphertext": "AAHOLZXGZRHIQXPYGQWSAJFGOJCSCYHJXBIQDDOGPPQLEIXVXIFLJRUMNXIGSGIBBEVTDFXSXMUOUPIWVZIVFOZPITHIHUNKMJXNIWDYFFBIVINJWXIRGTBYYQAZLDKNEZPRTMKBXQUTWOYVTKFJZQCXVYINKIKBXJSXITFLMXE", "plaintext": "THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "EMPIRE"}, "difficulty": "expert", "language": "en", "text_length": 171, "length": 171, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-v3-0288", "text": "65 28 76 45 65 64 58 46 35 57 74 65 68 56 57 85 25 49 32 36 67 26 56", "ciphertext": "65 28 76 45 65 64 58 46 35 57 74 65 68 56 57 85 25 49 32 36 67 26 56", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "NARODNAYA", "keyword": "VOLYA"}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0030", "text": "LIDDQQCCSUREZBEXDLX", "ciphertext": "LIDDQQCCSUREZBEXDLX", "plaintext": "WISDOM GUARDS THE GATE", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0312", "text": "41 64 29 69 57 33 16 11 63 75 87 44 88 42 28 63 77 65 75 20 11 33 28 87 27 11 10 59 63 42 39 29 24 15 28 77 25 69 13 24 29 27 75 20 11 57 28 15 11 38 65 28 69 24 29 48 77 71 33 61 87 44 88 38 63 42 39 69 44", "ciphertext": "41 64 29 69 57 33 16 11 63 75 87 44 88 42 28 63 77 65 75 20 11 33 28 87 27 11 10 59 63 42 39 29 24 15 28 77 25 69 13 24 29 27 75 20 11 57 28 15 11 38 65 28 69 24 29 48 77 71 33 61 87 44 88 38 63 42 39 69 44", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 138, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013856", "text": "19.38.6 12.1.2 4.31.2 6.45.2 12.3.2 2.31.8 19.9.2 1.40.1 4.11.4 16.21.9 6.47.1 14.6.11 15.21.12 15.1.11 13.5.13 4.2.9 15.18.6 12.25.10 13.41.6 6.4.14 7.1.5 12.41.14 12.23.4 19.50.12 9.10.12 14.9.14 4.4.12 2.32.11 10.39.12 4.6.15 6.25.2 13.20.4 4.27.5 15.18.12 15.2.13 1.2.15 7.36.5 20.1.14 2.23.10 7.40.6 3.33.14", "ciphertext": "19.38.6 12.1.2 4.31.2 6.45.2 12.3.2 2.31.8 19.9.2 1.40.1 4.11.4 16.21.9 6.47.1 14.6.11 15.21.12 15.1.11 13.5.13 4.2.9 15.18.6 12.25.10 13.41.6 6.4.14 7.1.5 12.41.14 12.23.4 19.50.12 9.10.12 14.9.14 4.4.12 2.32.11 10.39.12 4.6.15 6.25.2 13.20.4 4.27.5 15.18.12 15.2.13 1.2.15 7.36.5 20.1.14 2.23.10 7.40.6 3.33.14", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 41, "length": 41, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "pigpen-v3-0013", "text": "╳ ┬ ┼ ¬ ⌐ ╲ ╳ ¬• ┼ ┐ ╲ ╲ ╱ ┐• ┐• ┤• ╱ ┼• ├ ┼ ├", "ciphertext": "╳ ┬ ┼ ¬ ⌐ ╲ ╳ ¬• ┼ ┐ ╲ ╲ ╱ ┐• ┐• ┤• ╱ ┼• ├ ┼ ├", "plaintext": "THE CASTLE IS SURROUNDED", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 26, "length": 46, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003254", "text": "CJMLPG NZFSTXJTANAJS FXXPAGT RJPMYSFZ GSRZBXNAJS NOARG FPFS NMZASE LZJQG GSAEYF OANU RZALT FSC NUG LJYLG YFRUASG NUG NZANUGYAMT RAXUGZ FCHFSRGT NUG FPXUFLGN LB JSG XJTANAJS GFRU PGNNGZ", "ciphertext": "CJMLPG NZFSTXJTANAJS FXXPAGT RJPMYSFZ GSRZBXNAJS NOARG FPFS NMZASE LZJQG GSAEYF OANU RZALT FSC NUG LJYLG YFRUASG NUG NZANUGYAMT RAXUGZ FCHFSRGT NUG FPXUFLGN LB JSG XJTANAJS GFRU PGNNGZ", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "FLRCGIEUAWQPYSJXVZTNMHOKBD"}, "difficulty": "hard", "language": "en", "text_length": 158, "length": 158, "attack_methods": ["frequency_analysis", "pattern_words", "hill_climbing_lm"], "educational_note": "Monoalphabetic substitution with an arbitrary 26-letter permutation.", "source": "synthetic_educational"}
{"id": "cda-0012529", "text": ".... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  .... ....  .. ...  . .....  ... ..  . .....  .... ...  .... ...  . .  .. ..  . .....  ..... ..  . .  .... ...  .. ...  .. ....  . ....  . ....  . .....  ... ...  . ..  .... .....  .... ....  ... ...  ... ....  .... ....  .... ...  . .....  . ...  .... .....  .... ..  . .....  . ..  . .....  . .  .... .....  .. .  ... ....  .... ..  .... ....  .. ....  .... ...  .... ....  .. ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .... ..  ... ....  . ...  . .  ... .  ... ....  .. .  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . .  ... ...  . ....  . ....  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  .. ....  .... ....  .... ...  . .....  ... .  .. .  . .  ... ..  ... ....  . ....  . .....  ... .  . ...  . .  ... ...  . ...  ... .  . .  .... ...  .... ...  .. ....  .. .  ..... ....  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  .... .....  .... ....  .. ....  .... ....  . ...  . .  ... ...  . .  ... .  .... ...  ... ....  . ..  . .....  ..... ..  .... ..  ... ....  ... ...  .. ..", "ciphertext": ".... ....  ..... ..  ... ....  .... ...  .... .  .... .....  . .  .... ..  . .....  . ...  .. ....  ... .....  .. ...  . .....  .... ..  . .....  ... ...  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  . ....  .. ....  .. ..  .... ..  . .  ... .....  .. ...  .... ...  ..... ..  .. ....  .... ....  .. ...  .... ....  ..... ..  ... ....  ... .....  ... ....  ... .  ..... ....  . ..  .. ....  .... .....  .... ...  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  .... ....  .. ...  . .....  ... ..  . .....  .... ...  .... ...  . .  .. ..  . .....  ..... ..  . .  .... ...  .. ...  .. ....  . ....  . ....  . .....  ... ...  . ..  .... .....  .... ....  ... ...  ... ....  .... ....  .... ...  . .....  . ...  .... .....  .... ..  . .....  . ..  . .....  . .  .... .....  .. .  ... ....  .... ..  .... ....  .. ....  .... ...  .... ....  .. ...  . .....  .... ..  . .....  . ...  .. ....  ... .....  .... ..  ... ....  . ...  . .  ... .  ... ....  .. .  ..... .  .. ....  .. ..  . .....  ... ...  . .....  .... ..  . .....  . .  ... ...  . ....  . ....  . .....  . ...  .... ..  ..... ....  ... .....  .... ....  .... ...  .. ....  .... ....  .... ...  . .....  ... .  .. .  . .  ... ..  ... ....  . ....  . .....  ... .  . ...  . .  ... ...  . ...  ... .  . .  .... ...  .... ...  .. ....  .. .  ..... ....  ... .....  . .  .... ....  .... ....  . .....  .... ..  ... ...  .... ...  . ..  .... .....  .... ....  .. ....  .... ....  . ...  . .  ... ...  . .  ... .  .... ...  ... ....  . ..  . .....  ..... ..  .... ..  ... ....  ... ...  .. ..", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE MESSAGE WAS HIDDEN BUT NOT SECURE BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "great-cipher-v2-0347", "text": "101 140 133 125 149 122 152 118 104 157 170 139 121 160 121 168 136 163 169 111 167 119 120 169 100 175 104 175 158 137 129 152 175 125 172 143 158 104 142 180 151 172 106 147 140 133 175 180 118 138 178 103 100 176 164 182 119 154 104 175", "ciphertext": "101 140 133 125 149 122 152 118 104 157 170 139 121 160 121 168 136 163 169 111 167 119 120 169 100 175 104 175 158 137 129 152 175 125 172 143 158 104 142 180 151 172 106 147 140 133 175 180 118 138 178 103 100 176 164 182 119 154 104 175", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "FRANCE"}, "difficulty": "expert", "language": "en", "text_length": 180, "length": 239, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018311", "text": "68 88 48 79 93 57 22 70 33 58 48 87 59 63 94 33 58 14 50 22 50 1 58 48 63 33 2 25 49 99 57 80 22 92 86 26 3 64 50 14 67 11 25 59 60 32 60 66 76 81 35 49 63 17 48 3 50 4 2 63 22 27 21 94 30 22 60 68 33 58 25 72 27 64 49 46 61 48 34 33 70 68 39 33 60 91 22 58 62 93 57 58 1 63 94 82 99 52 91 34 59 24 3 82 63 94 61 34 23 36 32 22 70 21 66 48 11 48 53 63 76 43 33 43 93 4 63 39 23 21 59 63 94 48 58 11", "ciphertext": "68 88 48 79 93 57 22 70 33 58 48 87 59 63 94 33 58 14 50 22 50 1 58 48 63 33 2 25 49 99 57 80 22 92 86 26 3 64 50 14 67 11 25 59 60 32 60 66 76 81 35 49 63 17 48 3 50 4 2 63 22 27 21 94 30 22 60 68 33 58 25 72 27 64 49 46 61 48 34 33 70 68 39 33 60 91 22 58 62 93 57 58 1 63 94 82 99 52 91 34 59 24 3 82 63 94 61 34 23 36 32 22 70 21 66 48 11 48 53 63 76 43 33 43 93 4 63 39 23 21 59 63 94 48 58 11", "plaintext": "THE VIGENERE CIPHER USES A REPEATING KEYWORD SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "homophonic", "cipher": "homophonic", "key": {}, "difficulty": "hard", "language": "en", "text_length": 136, "length": 136, "attack_methods": ["frequency_analysis", "multiple_ciphertext_attack"], "educational_note": "Homophonic substitution: each letter maps to multiple possible numbers.", "source": "synthetic_educational"}
{"id": "columnar-transposition-326", "text": "RAWOMOACWRFDNRH", "ciphertext": "RAWOMOACWRFDNRH", "plaintext": "FORWARD MARCH NOW", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "adfgvx-v2-0211", "text": "AGDAGAAADAADAGGDAVADDFVAGDDAAAXDXDXAXDGDXDVFDAVAAADGDFDFFDAADDDAVAVGGDDDVGGFFDXAVFXGADGFGAAAXGVFAAAGGADADAVGVFGAVAAAGFDDFAXAFDGAGAAAVAXFXFAVGFDFVXAVAXAVAFAVFXFGAX", "ciphertext": "AGDAGAAADAADAGGDAVADDFVAGDDAAAXDXDXAXDGDXDVFDAVAAADGDFDFFDAADDDAVAVGGDDDVGGFFDXAVFXGADGFGAAAXGVFAAAGGADADAVGVFGAVAAAGFDDFAXAFDGAGAAAVAXFXFAVGFDFVXAVAXAVAFAVFXFGAX", "plaintext": "FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 162, "length": 162, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012961", "text": "MAEWO LLACH EETKI NDIBE HYAZZ IEMOA SIDIB EHYAZ ZIEAK HADIB EHDZE HBETK INDIB EHWOL LACHE ECLAG IAIHA KHADI BEHTH ANZIE NODAI HGAHD ZEHTS AHAKH ATHAN ZIEWO LLACH EEDIB EHDIB EHYAZ ZIEAK HAAHJ AHWOL LACHE ETSAH THANZ IEGAH WOLLA CHEET SAHDI BEHCL AGIAI HAKHA DIBEH TKINT HANZI E", "ciphertext": "MAEWO LLACH EETKI NDIBE HYAZZ IEMOA SIDIB EHYAZ ZIEAK HADIB EHDZE HBETK INDIB EHWOL LACHE ECLAG IAIHA KHADI BEHTH ANZIE NODAI HGAHD ZEHTS AHAKH ATHAN ZIEWO LLACH EEDIB EHDIB EHYAZ ZIEAK HAAHJ AHWOL LACHE ETSAH THANZ IEGAH WOLLA CHEET SAHDI BEHCL AGIAI HAKHA DIBEH TKINT HANZI E", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 231, "length": 231, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "bazeries-v2-0636", "text": "MSJYNODYNMAMT", "ciphertext": "MSJYNODYNMAMT", "plaintext": "THE PASS IS HELD", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v3-0133", "text": "AKWOWIEMRAZAOWJSOJGL", "ciphertext": "AKWOWIEMRAZAOWJSOJGL", "plaintext": "THE REDCOATS ARE COMING", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "TRAFALGAR"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v3-0249", "text": "EPFXVECZYEILEVGESBPMJ", "ciphertext": "EPFXVECZYEILEVGESBPMJ", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-v2-0049", "text": "YTJQKRGSUIQMFWWEGJZNZNMYAAFTAOJHKPQCCWUZEZYTJAAEYPJPEJEVWSSKNASCRRQMSC", "ciphertext": "YTJQKRGSUIQMFWWEGJZNZNMYAAFTAOJHKPQCCWUZEZYTJAAEYPJPEJEVWSSKNASCRRQMSC", "plaintext": "THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "RANGER"}, "difficulty": "intermediate", "language": "en", "text_length": 70, "length": 70, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-021", "text": "DSBGKMLAQNRGOFKCKI", "ciphertext": "DSBGKMLAQNRGOFKCKI", "plaintext": "THE BRIDGE IS SECURED", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "SIGABA"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0650", "text": "NFAXFLBPUSYWPTYLPHTLNL", "ciphertext": "NFAXFLBPUSYWPTYLPHTLNL", "plaintext": "EXTRACTION POINT CHANGED", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "98765"}, "difficulty": "intermediate", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016782", "text": "05101 1635 01654 05743 5722 1624 6937 02844 01647 07274 0364 4397 01337 05737 01641 5039 5701 4787 01330 6652 0956 2849 00688 2911 3834 2891 06288 07916 4159 0385 06365 06327 1585 5726 02913 4448 5691 01571 05995 01585 00346 05725 0992 02538 5987 06665 0710 6034 06312 02896 06363 06675 06308 2884 04718 04404 0977 02853 05028 02542 01612 05735 06002 04157 00348 05109 01666 0328 00975 2520 03801 1617 6362 06352 01641 5674 6355 04802 00379 1340 02887 1924 1940 01591 5715 01598 04441 6281 03803 1599 6335 06335 01652 5746 01966 0323 02878 03814 1030 03784 04735 06061 1665 1269 02865 06023 0331 5037 4777 06056 06295 6627 5711 1628 04451 04773 06353 0408 06055 03864 4795 2261 00362 4439", "ciphertext": "05101 1635 01654 05743 5722 1624 6937 02844 01647 07274 0364 4397 01337 05737 01641 5039 5701 4787 01330 6652 0956 2849 00688 2911 3834 2891 06288 07916 4159 0385 06365 06327 1585 5726 02913 4448 5691 01571 05995 01585 00346 05725 0992 02538 5987 06665 0710 6034 06312 02896 06363 06675 06308 2884 04718 04404 0977 02853 05028 02542 01612 05735 06002 04157 00348 05109 01666 0328 00975 2520 03801 1617 6362 06352 01641 5674 6355 04802 00379 1340 02887 1924 1940 01591 5715 01598 04441 6281 03803 1599 6335 06335 01652 5746 01966 0323 02878 03814 1030 03784 04735 06061 1665 1269 02865 06023 0331 5037 4777 06056 06295 6627 5711 1628 04451 04773 06353 0408 06055 03864 4795 2261 00362 4439", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 124, "length": 124, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}
{"id": "straddling-checkerboard-v3-0298", "text": "4252220804252117670101215753255743425149528288385638625132523726948563599720231035562204251622757022942221", "ciphertext": "4252220804252117670101215753255743425149528288385638625132523726948563599720231035562204251622757022942221", "plaintext": "THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "RASTONICEL"}, "difficulty": "advanced", "language": "en", "text_length": 106, "length": 106, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "copiale-v2-0271", "text": "F1 L0 S9 V0 E6 M4 H9 Q1 K2 H3 I0 B9 U2 G4 L3 F5 E1 U2", "ciphertext": "F1 L0 S9 V0 E6 M4 H9 Q1 K2 H3 I0 B9 U2 G4 L3 F5 E1 U2", "plaintext": "CONTACT HAS BEEN MADE", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 53, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-v3-0384", "text": "GPUFUHOOGBEKOEYDSKOQOETERATHEKIDJIHAGADXTURUMOONCEEWSKAHKUKOGTTYWENCM", "ciphertext": "GPUFUHOOGBEKOEYDSKOQOETERATHEKIDJIHAGADXTURUMOONCEEWSKAHKUKOGTTYWENCM", "plaintext": "THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "MIKADO"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryptos-v3-0091", "text": "OZBIOJEEXUIDLLBIDCFUXRDQEAMGFXDJEIBXEDMDXYPOMQMBPPEXDMDIMSJTWPKWCELHKIYHLXQUQRFZXV", "ciphertext": "OZBIOJEEXUIDLLBIDCFUXRDQEAMGFXDJEIBXEDMDXYPOMQMBPPEXDMDIMSJTWPKWCELHKIYHLXQUQRFZXV", "plaintext": "ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m209-v2-0123", "text": "XABYLMBNIYNMZVMMLDLRGAPJNJRMZYNLYQLQAIQEZKXRINKVOVQBLZZOXVXUJZYRKWACSLPKHWQRDKJBBSAKEANPVRLMGVKXESQBJCURDCQYYPMDZKMXXPCVACJTIYUKJVANTZXBRIAKROOUURZKUYELXPQQYZOMYKK", "ciphertext": "XABYLMBNIYNMZVMMLDLRGAPJNJRMZYNLYQLQAIQEZKXRINKVOVQBLZZOXVXUJZYRKWACSLPKHWQRDKJBBSAKEANPVRLMGVKXESQBJCURDCQYYPMDZKMXXPCVACJTIYUKJVANTZXBRIAKROOUURZKUYELXPQQYZOMYKK", "plaintext": "HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 163, "length": 163, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0107", "text": "FOQTMZASOIRXEHIESOSTBZW", "ciphertext": "FOQTMZASOIRXEHIESOSTBZW", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021277", "text": "⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w04⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨w32⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a23⟩ ⟨a25⟩ ⟨w22⟩", "ciphertext": "⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w04⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨w32⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a23⟩ ⟨a25⟩ ⟨w22⟩", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "babington", "cipher": "babington", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["nomenclator_frequency", "symbol_mapping"], "educational_note": "Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.", "source": "synthetic_educational"}
{"id": "chaocipher-v3-0258", "text": "YRPCPINOUTFPHXQUAFCKRUCKMEYGNGTFOAVBCCSMWFZIGZLXAGZGQBWVQQVUAXVIDONF", "ciphertext": "YRPCPINOUTFPHXQUAFCKRUCKMEYGNGTFOAVBCCSMWFZIGZLXAGZGQBWVQQVUAXVIDONF", "plaintext": "IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "nihilist-123", "text": "34 56 33 82 40 23 63 49 55 75 36 52 32", "ciphertext": "34 56 33 82 40 23 63 49 55 75 36 52 32", "plaintext": "CHANGE OF PLANS", "label": "nihilist", "cipher": "nihilist", "cipher_family": "fractionation", "key": {"polybius": "SECRET", "keyword": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 38, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v3-0014", "text": "ZSICQXPYQDGQKZNRMW", "ciphertext": "ZSICQXPYQDGQKZNRMW", "plaintext": "LOWER THE DRAWBRIDGE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-178", "text": "SIEPACKAMDMNDELIZOUADX", "ciphertext": "SIEPACKAMDMNDELIZOUADX", "plaintext": "THE PACKAGE IS DELIVERED", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "ENIGMA", "key2": "CRYPTO"}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wallis-cipher-v3-0178", "text": "90 41 85 91 90 79 81 15 25 91 90 85 45 44 63 55 53 91 90 18 40 91 90 89 25 72 91 90 67 85 79 30 33 91 90 58 47 37 76 91 90 15 44 63 27 91 90 41 25 91 90 72 66 45 85 91 90 16 25 79 91 90 15 58 54 53 91 90 84 40 91 90 45 44 76 91 90 82 85 77 33 63 81 91 90 20 72 30 76 91 90 25 61 91 90 18 77 30 91 90 55 63 77 54 11 84 85 66 53 91", "ciphertext": "90 41 85 91 90 79 81 15 25 91 90 85 45 44 63 55 53 91 90 18 40 91 90 89 25 72 91 90 67 85 79 30 33 91 90 58 47 37 76 91 90 15 44 63 27 91 90 41 25 91 90 72 66 45 85 91 90 16 25 79 91 90 15 58 54 53 91 90 84 40 91 90 45 44 76 91 90 82 85 77 33 63 81 91 90 20 72 30 76 91 90 25 61 91 90 18 77 30 91 90 55 63 77 54 11 84 85 66 53 91", "plaintext": "DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 220, "length": 329, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-es-019", "text": "XHYHHCDKNVCILBDYMQDPCSBV", "ciphertext": "XHYHHCDKNVCILBDYMQDPCSBV", "plaintext": "VIVA LA REPUBLICA ESPANOLA", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "es", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cardano-autokey-v3-0265", "text": "KHWVSNVVBRYNQEFCMBQWALJWFBGBMVFTMBGMNXXBKHPHJKGCLWDLHSECJNKRRVRTBWBNNRA", "ciphertext": "KHWVSNVVBRYNQEFCMBQWALJWFBGBMVFTMBGMNXXBKHPHJKGCLWDLHSECJNKRRVRTBWBNNRA", "plaintext": "TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 71, "length": 71, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-063", "text": "TAHADHEGEALNEELSD", "ciphertext": "TAHADHEGEALNEELSD", "plaintext": "THE EAGLE HAS LANDED", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 3}, "difficulty": "intermediate", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "columnar-transposition-v2-0229", "text": "BHVSDEIURNTSRORPNIILHAEUGADNOOEDCRETASNNMRIOTHARFOAAETISTCOHSSDUSASTMQAOEMNCWTSD", "ciphertext": "BHVSDEIURNTSRORPNIILHAEUGADNOOEDCRETASNNMRIOTHARFOAAETISTCOHSSDUSASTMQAOEMNCWTSD", "plaintext": "THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0660", "text": "AGGDAGAFGDFGGFXGDADDDFFFFGDXGAXGXAGAFAGXDGAXAAADDGXAFAGDDDAADFGFAAAGFGADFFGAFFXGAXAGXXDGFGGDXGAGGAFFGGDFFDFGGFDGFDXDDFXDAXXGAADXFFAGAGAFAAXAADADGDDAGADFDX", "ciphertext": "AGGDAGAFGDFGGFXGDADDDFFFFGDXGAXGXAGAFAGXDGAXAAADDGXAFAGDDDAADFGFAAAGFGADFFGAFFXGAXAGXXDGFGGDXGAGGAFFGGDFFDFGGFDGFDXDDFXDAXXGAADXFFAGAGAFAAXAADADGDDAGADFDX", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KAISER", "columnar": "BERLIN"}, "difficulty": "advanced", "language": "en", "text_length": 154, "length": 154, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020062", "text": "858 853 801 841 855 845 843 855 825 858 825 843 841 999 807 825 846 821 814 853 855 999 853 814 801 852 851 801 841 820 814 999 835 813 858 858 814 853 855 999 867 825 858 823 842 860 859 999 854 860 803 854 859 825 857 860 859 825 842 840 999 846 862 804 833 825 806 999 824 840 817 852 800 855 859 852 860 807 859 862 852 814 999 809 813 856 813 851 864 812 856 999 807 802 853 813 816 860 833 999 809 814 856 824 819 840 999", "ciphertext": "858 853 801 841 855 845 843 855 825 858 825 843 841 999 807 825 846 821 814 853 855 999 853 814 801 852 851 801 841 820 814 999 835 813 858 858 814 853 855 999 867 825 858 823 842 860 859 999 854 860 803 854 859 825 857 860 859 825 842 840 999 846 862 804 833 825 806 999 824 840 817 852 800 855 859 852 860 807 859 862 852 814 999 809 813 856 813 851 864 812 856 999 807 802 853 813 816 860 833 999 809 814 856 824 819 840 999", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 96, "length": 96, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "four-square-v2-0072", "text": "SGLULEUATNDCCUTGKFLCPECGRFCUTGKFTRAPULCNOTTREOCPCPDNAHCUTXOSZBTWBBTDNTEELY", "ciphertext": "SGLULEUATNDCCUTGKFLCPECGRFCUTGKFTRAPULCNOTTREOCPCPDNAHCUTXOSZBTWBBTDNTEELY", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-008", "text": "54 85 10 64 76 59 46 30 68 74 85 14", "ciphertext": "54 85 10 64 76 59 46 30 68 74 85 14", "plaintext": "HOLD POSITION", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ARGENTI"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "culper-ring-v2-0105", "text": "100 205 998 822 808 811 811 999 998 807 814 811 803 999 998 808 819 818 999 998 815 814 818 808 819 808 814 813 999 998 820 813 819 808 811 999 998 817 804 808 813 805 814 817 802 804 812 804 813 819 818 999 224 120 100 998 804 800 818 819 804 817 813 999 998 802 814 812 812 800 813 803 999 202 998 807 804 817 804 999", "ciphertext": "100 205 998 822 808 811 811 999 998 807 814 811 803 999 998 808 819 818 999 998 815 814 818 808 819 808 814 813 999 998 820 813 819 808 811 999 998 817 804 808 813 805 814 817 802 804 812 804 813 819 818 999 224 120 100 998 804 800 818 819 804 817 813 999 998 802 814 812 812 800 813 803 999 202 998 807 804 817 804 999", "plaintext": "THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE", "label": "culper_ring", "cipher": "culper_ring", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 240, "length": 319, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-v3-0043", "text": "EIOQECTFWAACFATYBGHXXE", "ciphertext": "EIOQECTFWAACFATYBGHXXE", "plaintext": "MESSAGE RECEIVED CLEARLY", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 5, "c": 2, "d": 9}, "difficulty": "advanced", "language": "en", "text_length": 22, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018733", "text": "DIBEH   /   NO-DA-IH   /   SHUSH   /   DIBEH   /   THAN-ZIE   /   TKIN   /   THAN-ZIE   /   NO-DA-IH   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   DZEH   /   WOL-LA-CHEE   /   MOASI   /   LIN   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   THAN-ZIE   /   A-KHA   /   WOL-LA-CHEE   /   BE   /   TKIN   /   MA-E   /   MA-E   /   DZEH", "ciphertext": "DIBEH   /   NO-DA-IH   /   SHUSH   /   DIBEH   /   THAN-ZIE   /   TKIN   /   THAN-ZIE   /   NO-DA-IH   /   THAN-ZIE   /   TKIN   /   A-KHA   /   TSAH   /   MOASI   /   TKIN   /   CLA-GI-AIH   /   LIN   /   DZEH   /   GAH   /   DIBEH   /   NA-AS-TSO-SI   /   WOL-LA-CHEE   /   CLA-GI-AIH   /   DZEH   /   WOL-LA-CHEE   /   MOASI   /   LIN   /   DIBEH-YAZZIE   /   DZEH   /   THAN-ZIE   /   THAN-ZIE   /   DZEH   /   GAH   /   THAN-ZIE   /   A-KHA   /   WOL-LA-CHEE   /   BE   /   TKIN   /   MA-E   /   MA-E   /   DZEH", "plaintext": "SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM", "label": "navajo_code", "cipher": "navajo_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 215, "length": 215, "attack_methods": ["codebook_frequency", "word_list_attack"], "educational_note": "Navajo Code Talker cipher: Navajo words represent English letters.", "source": "synthetic_educational"}
{"id": "rail-fence-de-014", "text": "DSABLIRTETCLNUEALSNEWLUHDREDE", "ciphertext": "DSABLIRTETCLNUEALSNEWLUHDREDE", "plaintext": "DEUTSCHLAND UBER ALLES IN DER WELT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 3}, "difficulty": "intermediate", "language": "de", "text_length": 29, "length": 29, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-v2-0033", "text": "48686928391618087918390", "ciphertext": "48686928391618087918390", "plaintext": "ANNUIT COEPTIS", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "HOLLOW"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-085", "text": "DGGAHAPZUFQEYGJ", "ciphertext": "DGGAHAPZUFQEYGJ", "plaintext": "SILENCE IS GOLDEN", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "venona-pad-reuse-081", "text": "RPLGVZBOLPWDGK3WAS", "ciphertext": "RPLGVZBOLPWDGK3WAS", "plaintext": "THE BRIDGE IS SECURED", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0016453", "text": "IGHV ENPA HKAI ZDQW LXLE QMNG AJCO MUTK LOVK PMNR QNWP IWVV LHQQ QFBY ZERR BCCR SMYT WJFG PMJA THLU NNUB ZUGJ LCWI RGNG OVCA U", "ciphertext": "IGHV ENPA HKAI ZDQW LXLE QMNG AJCO MUTK LOVK PMNR QNWP IWVV LHQQ QFBY ZERR BCCR SMYT WJFG PMJA THLU NNUB ZUGJ LCWI RGNG OVCA U", "plaintext": "THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 101, "length": 101, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "rail-fence-v2-0525", "text": "KNOWTHYSELF", "ciphertext": "KNOWTHYSELF", "plaintext": "KNOW THYSELF", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 11}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-v3-0275", "text": "LWACSOKWLFSKSJKRYXNOVJELHCGOWZFSGIRXJZHFUNHVAQZGNOFRRMYECXMONVFVXJRFUMPKUL", "ciphertext": "LWACSOKWLFSKSJKRYXNOVJELHCGOWZFSGIRXJZHFUNHVAQZGNOFRRMYECXMONVFVXJRFUMPKUL", "plaintext": "WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0173", "text": "13085930859093836902859188894859083488898469590634791906898185888448219248445174889095858882192484480469083", "ciphertext": "13085930859093836902859188894859083488898469590634791906898185888448219248445174889095858882192484480469083", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "NICKEL"}, "difficulty": "advanced", "language": "en", "text_length": 107, "length": 107, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-017", "text": "90 50 71 13 19 91 90 52 63 91 90 19 38 71 91 90 84 82 12 91 90 31 60 75 91", "ciphertext": "90 50 71 13 19 91 90 52 63 91 90 19 38 71 91 90 84 82 12 91 90 31 60 75 91", "plaintext": "MEET AT THE OLD OAK", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALLIS"}, "difficulty": "expert", "language": "en", "text_length": 50, "length": 74, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "sigaba-v2-0395", "text": "ADGMBRQIDHMQTRTOISR", "ciphertext": "ADGMBRQIDHMQTRTOISR", "plaintext": "CODED MESSAGE FOLLOWS", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "LIBERTY"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0490", "text": "HPGFODMHJNTWTRPWONBRNFWCIGGEAWEZKYKDNRADQYTAYIOSHLWFHWBZDWFHBUQWWVUKHXPSEVAAACMAZKCVDOXJVCNDOJOOSYZFNFHQELWRKKHNHJVXCAZOORRKBKDWEXCWQDPJXTQVDAAXJUAHERD", "ciphertext": "HPGFODMHJNTWTRPWONBRNFWCIGGEAWEZKYKDNRADQYTAYIOSHLWFHWBZDWFHBUQWWVUKHXPSEVAAACMAZKCVDOXJVCNDOJOOSYZFNFHQELWRKKHNHJVXCAZOORRKBKDWEXCWQDPJXTQVDAAXJUAHERD", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "HARBOUR"}, "difficulty": "intermediate", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013119", "text": "2.3.8 20.1.1 7.6.2 7.1.3 14.1.3 17.3.6 1.6.1 17.1.6 19.2.2 4.5.6 12.1.1 9.6.7 12.2.3 7.2.1 10.6.8 10.2.3 17.4.3 8.5.6 8.2.8 9.3.1 8.4.7 9.4.2 7.1.9 2.5.2 3.3.10 13.2.7 20.6.7 11.1.6 13.4.3 8.4.5 18.6.1 15.5.1 11.3.9 10.5.10 15.2.4 2.6.1 14.2.1 10.6.8 4.5.9 20.3.5 13.1.1 3.3.10 18.6.7 20.4.4 9.3.5 16.6.9 6.1.6 14.3.8 10.5.7 6.6.10 19.6.4 16.2.9 11.4.7 18.3.4 6.3.1 20.6.3 19.5.2 4.3.2 1.5.4 17.6.6 17.2.2 12.6.4 13.2.4 5.6.3 13.6.10 2.1.5 12.2.2 5.4.1 13.6.1 5.6.3 8.1.9 20.2.3 1.2.9 14.5.1 20.3.2 10.4.9 12.5.3 11.6.3 8.4.4 14.2.7 5.4.1 1.1.4 13.1.5 17.1.5 6.4.8 11.1.10 20.3.9 3.4.7 8.6.8 12.6.8 14.6.10 5.1.6 11.4.6 4.4.10 10.5.2 4.5.1 6.1.4 10.1.4 11.5.9 5.3.7 19.5.9 18.6.1 17.4.4 2.3.2 10.6.9 15.4.5", "ciphertext": "2.3.8 20.1.1 7.6.2 7.1.3 14.1.3 17.3.6 1.6.1 17.1.6 19.2.2 4.5.6 12.1.1 9.6.7 12.2.3 7.2.1 10.6.8 10.2.3 17.4.3 8.5.6 8.2.8 9.3.1 8.4.7 9.4.2 7.1.9 2.5.2 3.3.10 13.2.7 20.6.7 11.1.6 13.4.3 8.4.5 18.6.1 15.5.1 11.3.9 10.5.10 15.2.4 2.6.1 14.2.1 10.6.8 4.5.9 20.3.5 13.1.1 3.3.10 18.6.7 20.4.4 9.3.5 16.6.9 6.1.6 14.3.8 10.5.7 6.6.10 19.6.4 16.2.9 11.4.7 18.3.4 6.3.1 20.6.3 19.5.2 4.3.2 1.5.4 17.6.6 17.2.2 12.6.4 13.2.4 5.6.3 13.6.10 2.1.5 12.2.2 5.4.1 13.6.1 5.6.3 8.1.9 20.2.3 1.2.9 14.5.1 20.3.2 10.4.9 12.5.3 11.6.3 8.4.4 14.2.7 5.4.1 1.1.4 13.1.5 17.1.5 6.4.8 11.1.10 20.3.9 3.4.7 8.6.8 12.6.8 14.6.10 5.1.6 11.4.6 4.4.10 10.5.2 4.5.1 6.1.4 10.1.4 11.5.9 5.3.7 19.5.9 18.6.1 17.4.4 2.3.2 10.6.9 15.4.5", "plaintext": "KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 106, "length": 106, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0019093", "text": "AAAAA ABABB ABBAB AAABB AABAA ABABA AAABA AAAAA ABBAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AABAB BABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAAAB AAAAB BAABB BAABA ABAAA BAABA AAABA AAAAA ABBAA AAAAA ABABA BAAAB ABBAB AAAAB AABAA BABAA BAAAA ABBAB ABBAA AABBA BAABA AABBB AABAA AAAAB ABAAA AABAB ABAAA AAABB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAABA ABBAB ABABB AAAAB ABAAA ABBAA AABAA BAAAB AAAAA ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA BABAA ABAAA BAABA AABBB BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAABA AABBB AABAA AAABB AABAA BAABA AABAA AAABA BAABA ABAAA BAABB AABAA BAAAB BAABA BAABB AAABB ABAAA AABAA BAAAB ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAAAB AAAAB AABAA AABAB ABBAB BAAAA AABAA ABABB AAAAA ABAAB ABAAA ABBAA AABBA AAABA ABABA AAAAA ABAAA ABABB BAAAB AABAB AAAAA ABAAA ABABA AAABA ABABA ABBAB BAAAB AABAA AAABB ABAAA BAAAB AAAAA ABBBA ABBAB BAAAB BAABA BAABB BAAAA AABAA ABBAA ABBAB BAABA AAAAA BAAAB ABABA ABBAB AABBA AAAAA ABBAA", "ciphertext": "AAAAA ABABB ABBAB AAABB AABAA ABABA AAABA AAAAA ABBAA AAABA ABABA AAAAA BAAAB BAAAB ABAAA AABAB BABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAAAB AAAAB BAABB BAABA ABAAA BAABA AAABA AAAAA ABBAA AAAAA ABABA BAAAB ABBAB AAAAB AABAA BABAA BAAAA ABBAB ABBAA AABBA BAABA AABBB AABAA AAAAB ABAAA AABAB ABAAA AAABB AAABA ABAAA ABBBA AABBB AABAA BAAAA AAABA ABBAB ABABB AAAAB ABAAA ABBAA AABAA BAAAB AAAAA ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA BABAA ABAAA BAABA AABBB BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAABA AABBB AABAA AAABB AABAA BAABA AABAA AAABA BAABA ABAAA BAABB AABAA BAAAB BAABA BAABB AAABB ABAAA AABAA BAAAB ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAAAB AAAAB AABAA AABAB ABBAB BAAAA AABAA ABABB AAAAA ABAAB ABAAA ABBAA AABBA AAABA ABABA AAAAA ABAAA ABABB BAAAB AABAB AAAAA ABAAA ABABA AAABA ABABA ABBAB BAAAB AABAA AAABB ABAAA BAAAB AAAAA ABBBA ABBAB BAAAB BAABA BAABB BAAAA AABAA ABBAA ABBAB BAABA AAAAA BAAAB ABABA ABBAB AABBA AAAAA ABBAA", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS FAIL CLOSED IS A POSTURE NOT A SLOGAN", "label": "bacon_cipher", "cipher": "bacon_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 865, "length": 865, "attack_methods": ["five_bit_decode", "ab_frequency_analysis"], "educational_note": "Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.", "source": "synthetic_educational"}
{"id": "cda-0009911", "text": "SNVY PYBFRQ VF N CBFGHER ABG N FYBTNA CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU", "ciphertext": "SNVY PYBFRQ VF N CBFGHER ABG N FYBTNA CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "medium", "language": "en", "text_length": 74, "length": 74, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "cda-0011894", "text": "GHPUY ZTLAD PYRVW YPHBR YWKMX RSJTS NNXGO ATRGA DJKOH EZKMH PJYSO LBTAI QYT", "ciphertext": "GHPUY ZTLAD PYRVW YPHBR YWKMX RSJTS NNXGO ATRGA DJKOH EZKMH PJYSO LBTAI QYT", "plaintext": "THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CAREFULLY", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 63, "length": 63, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "m94-v3-0045", "text": "QUNTZLJLXBZZYILHXISE", "ciphertext": "QUNTZLJLXBZZYILHXISE", "plaintext": "STEAM POWER TRANSFORMS", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016791", "text": "11.34.3 14.36.11 9.5.15 1.6.11 6.21.2 10.11.4 10.37.14 12.33.3 15.22.1 20.45.15 7.17.13 12.40.15 3.40.15 19.22.9 7.45.11 13.38.7 1.30.13 18.36.9 18.23.5 9.48.12 11.1.1 10.44.15 12.8.8 2.4.4 12.24.2 17.15.6 10.12.13 6.16.9 7.5.14 14.14.6 2.46.12 2.4.10 15.34.9 20.33.1 7.12.11 19.24.2 19.10.3 12.43.4 16.44.13 3.31.10 20.25.5 7.28.11 19.31.1 11.38.1 1.10.8 3.20.12 20.12.15 12.25.5 6.37.15 7.11.6 16.36.4 13.25.7 3.1.8 18.48.6 12.19.10 16.26.5 17.17.11 20.5.5 1.48.5 5.16.6 6.16.15 19.49.8 16.1.9 4.11.6 3.41.8 18.41.10 6.41.7 5.5.8 13.36.6 19.17.6 17.29.8 11.17.1 6.22.4 19.3.9 1.20.13 12.30.9 9.15.14 16.26.4 3.4.11 16.21.3 2.22.14 10.43.15 1.3.3 20.10.10 8.8.4 4.16.3 2.7.1 3.5.13 3.19.2 4.17.14 7.2.4 2.42.9 10.48.7 8.44.13 14.7.10 5.1.1 4.27.7 11.17.9 13.40.14 13.13.5 14.40.6 12.4.6 19.49.14 15.14.12 15.46.12 1.38.11 6.18.12 16.13.8 19.43.1 6.33.7 6.19.13 1.11.1 15.26.1 9.15.10 6.48.3 15.9.15 14.11.3 6.23.5 18.24.4 10.38.8 2.14.5 5.1.4 14.47.12 18.14.12 19.38.1 13.33.14 9.18.7 15.17.1 17.4.3 19.42.7 19.7.7 12.14.15 7.34.12 15.26.8 2.31.8 12.13.6 2.39.10 18.33.2 18.33.3 12.30.11 3.47.14 12.9.11 18.33.8 20.3.15 1.13.15 5.35.14 10.33.4 8.3.11 16.4.2 11.46.1 16.40.1 7.42.13 6.37.12 10.13.2 4.13.3 6.45.3 10.44.2 18.24.15 17.38.3 4.12.5 17.43.6 3.3.2 20.7.4 6.43.14 14.36.5 12.8.9 8.48.15 19.17.10 4.3.10 14.33.9 14.17.10 19.42.4 3.13.3 7.22.2 17.47.4 3.46.3 6.33.3", "ciphertext": "11.34.3 14.36.11 9.5.15 1.6.11 6.21.2 10.11.4 10.37.14 12.33.3 15.22.1 20.45.15 7.17.13 12.40.15 3.40.15 19.22.9 7.45.11 13.38.7 1.30.13 18.36.9 18.23.5 9.48.12 11.1.1 10.44.15 12.8.8 2.4.4 12.24.2 17.15.6 10.12.13 6.16.9 7.5.14 14.14.6 2.46.12 2.4.10 15.34.9 20.33.1 7.12.11 19.24.2 19.10.3 12.43.4 16.44.13 3.31.10 20.25.5 7.28.11 19.31.1 11.38.1 1.10.8 3.20.12 20.12.15 12.25.5 6.37.15 7.11.6 16.36.4 13.25.7 3.1.8 18.48.6 12.19.10 16.26.5 17.17.11 20.5.5 1.48.5 5.16.6 6.16.15 19.49.8 16.1.9 4.11.6 3.41.8 18.41.10 6.41.7 5.5.8 13.36.6 19.17.6 17.29.8 11.17.1 6.22.4 19.3.9 1.20.13 12.30.9 9.15.14 16.26.4 3.4.11 16.21.3 2.22.14 10.43.15 1.3.3 20.10.10 8.8.4 4.16.3 2.7.1 3.5.13 3.19.2 4.17.14 7.2.4 2.42.9 10.48.7 8.44.13 14.7.10 5.1.1 4.27.7 11.17.9 13.40.14 13.13.5 14.40.6 12.4.6 19.49.14 15.14.12 15.46.12 1.38.11 6.18.12 16.13.8 19.43.1 6.33.7 6.19.13 1.11.1 15.26.1 9.15.10 6.48.3 15.9.15 14.11.3 6.23.5 18.24.4 10.38.8 2.14.5 5.1.4 14.47.12 18.14.12 19.38.1 13.33.14 9.18.7 15.17.1 17.4.3 19.42.7 19.7.7 12.14.15 7.34.12 15.26.8 2.31.8 12.13.6 2.39.10 18.33.2 18.33.3 12.30.11 3.47.14 12.9.11 18.33.8 20.3.15 1.13.15 5.35.14 10.33.4 8.3.11 16.4.2 11.46.1 16.40.1 7.42.13 6.37.12 10.13.2 4.13.3 6.45.3 10.44.2 18.24.15 17.38.3 4.12.5 17.43.6 3.3.2 20.7.4 6.43.14 14.36.5 12.8.9 8.48.15 19.17.10 4.3.10 14.33.9 14.17.10 19.42.4 3.13.3 7.22.2 17.47.4 3.46.3 6.33.3", "plaintext": "TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 177, "length": 177, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0674", "text": "XWYKJEMUOZUCXQUCDKNJGPGSYKNZQTNWBNYYOPGFSMCRTOVGFWSNRYOMFOSUBSAOWPMW", "ciphertext": "XWYKJEMUOZUCXQUCDKNJGPGSYKNZQTNWBNYYOPGFSMCRTOVGFWSNRYOMFOSUBSAOWPMW", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VICKSBURG"}, "difficulty": "intermediate", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012804", "text": "VVPVQFTCXJSBFHGZWPEVRIITKWOSEBAQXIVVWRVVUEZNTPHORCZIYEEOGWLMLBSKKMNDRKUKUSCSBGOVLDFOCSKIDYZPOUXULRLISJATADNZVSRXPIXVQEKNEYQMBVWSWKJPHQIEI", "ciphertext": "VVPVQFTCXJSBFHGZWPEVRIITKWOSEBAQXIVVWRVVUEZNTPHORCZIYEEOGWLMLBSKKMNDRKUKUSCSBGOVLDFOCSKIDYZPOUXULRLISJATADNZVSRXPIXVQEKNEYQMBVWSWKJPHQIEI", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE NEVER", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "hard", "language": "en", "text_length": 137, "length": 137, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "diana-v2-0498", "text": "SBXZXGVLWXRYTNWRNDGPMXDZQFHEYAZEYLKYAJLKTFXDKACCKIOZWENYSUOACFQYPXWYMUUEEEPANNUKECEHXLTSRAUAKBSNBGLCXMNIUJPXBRAYYUIXNCJXAOLMCUVOXRYIASBXSNBGLCXMKTDHWXEELLFIOBAPTHRIQCMATAZEGRKYGXPYB", "ciphertext": "SBXZXGVLWXRYTNWRNDGPMXDZQFHEYAZEYLKYAJLKTFXDKACCKIOZWENYSUOACFQYPXWYMUUEEEPANNUKECEHXLTSRAUAKBSNBGLCXMNIUJPXBRAYYUIXNCJXAOLMCUVOXRYIASBXSNBGLCXMKTDHWXEELLFIOBAPTHRIQCMATAZEGRKYGXPYB", "plaintext": "THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 181, "length": 181, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-v2-0018", "text": "AWPKSNYSNCKLLX", "ciphertext": "AWPKSNYSNCKLLX", "plaintext": "AWAIT MY SIGNAL", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-020", "text": "¬ ┐• ▽ ┌• ╳ ┤• ┌ ┐• ⌐ ┌• ┬ ▽ ┐• ╱ ¬• ┼ ╲", "ciphertext": "¬ ┐• ▽ ┌• ╳ ┤• ┌ ┐• ⌐ ┌• ┬ ▽ ┐• ╱ ¬• ┼ ╲", "plaintext": "CRYPTOGRAPHY RULES", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 24, "length": 40, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "alberti-disk-v3-0546", "text": "WXJHWVDQRFWMPKMPVL", "ciphertext": "WXJHWVDQRFWMPKMPVL", "plaintext": "TREASURE BURIED HERE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 14}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0013767", "text": "XCIIYAJXXRORGMSZEEDFVXWLMLOXIGMNLKKPKGHTIW", "ciphertext": "XCIIYAJXXRORGMSZEEDFVXWLMLOXIGMNLKKPKGHTIW", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL PERHAPS", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 42, "length": 42, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "hill-287", "text": "LCBYFOJEFOCCOWIKQGWKMQGUPWEAJUVGCDRDMCRDTTHLRFGTNZ", "ciphertext": "LCBYFOJEFOCCOWIKQGWKMQGUPWEAJUVGCDRDMCRDTTHLRFGTNZ", "plaintext": "VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 7, "b": 5, "c": 2, "d": 3}, "difficulty": "advanced", "language": "en", "text_length": 50, "length": 50, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "stager-route-v3-0205", "text": "ITUWSRIOIEGNIELRNEBEFNTRDNACKITRENTEYOZOUNTTAHEASITSTALDAVHODSFENINHETSSDCGKAEITBLNSXXODOOETOUEAOTYAHSECANHPLPNRAXTFTFXXPHAHPTYILIEETCEVENNHWRLEFOILTPELXXAOPHAOFIRENOEETN", "ciphertext": "ITUWSRIOIEGNIELRNEBEFNTRDNACKITRENTEYOZOUNTTAHEASITSTALDAVHODSFENINHETSSDCGKAEITBLNSXXODOOETOUEAOTYAHSECANHPLPNRAXTFTFXXPHAHPTYILIEETCEVENNHWRLEFOILTPELXXAOPHAOFIRENOEETN", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "stager_route", "cipher": "stager_route", "cipher_family": "transposition", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 170, "length": 170, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0018411", "text": "INHW ZYVL ZUQR YUWE RZNE XHLN ULSC XMFR BVST JZTM QOEO DHOA GNKC GGNW LQDZ AXQI BHIZ YBMA BKMT EFWO ZDRP AVCI JAPF BMTY UMAT PR", "ciphertext": "INHW ZYVL ZUQR YUWE RZNE XHLN ULSC XMFR BVST JZTM QOEO DHOA GNKC GGNW LQDZ AXQI BHIZ YBMA BKMT EFWO ZDRP AVCI JAPF BMTY UMAT PR", "plaintext": "PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 102, "length": 102, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0005170", "text": "GCLX HIES RRET TOAT PETC RIED REOT OLIS IEDS GIRD IOAR RPAI CECN EOLI LOHD NROP XDNS NIUE AAIM AXUA ETMT RGPB ETX", "ciphertext": "GCLX HIES RRET TOAT PETC RIED REOT OLIS IEDS GIRD IOAR RPAI CECN EOLI LOHD NROP XDNS NIUE AAIM AXUA ETMT RGPB ETX", "plaintext": "GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "scytale", "cipher": "scytale", "key": {"cols": 7}, "difficulty": "hard", "language": "en", "text_length": 91, "length": 91, "attack_methods": ["column_count_search", "anagram_recovery"], "educational_note": "Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.", "source": "synthetic_educational"}
{"id": "argenti-v2-0121", "text": "57 87 14 22 82 16 51 24 30 88 46 39 66 18 32 71 57 25 22 78 36 88 21 72 22 51 13 88 65 15 73 41 22 66 30 88 87 15 72 71 66 22 51 13 59 32 87 14 43 88 44 24 62 75 72 44 73 66 30 52 15 22 69 88 82 16 53 79 65 19 22 21 51 45 88 30 14 55 32 39 57 82 22 71 16 25 53 88 34 24 56 65 51 73 32 69 22 25 72 80 88 21 57 14 22 65 30 16 51 88 35 13 32 30 75 73 66 14 39 73 72 65 51 87 32 82 14 41 22 24 30 66 73 88 34 44 14 57 73 22 75 65 15 16 23 88 21 72 71 57", "ciphertext": "57 87 14 22 82 16 51 24 30 88 46 39 66 18 32 71 57 25 22 78 36 88 21 72 22 51 13 88 65 15 73 41 22 66 30 88 87 15 72 71 66 22 51 13 59 32 87 14 43 88 44 24 62 75 72 44 73 66 30 52 15 22 69 88 82 16 53 79 65 19 22 21 51 45 88 30 14 55 32 39 57 82 22 71 16 25 53 88 34 24 56 65 51 73 32 69 22 25 72 80 88 21 57 14 22 65 30 16 51 88 35 13 32 30 75 73 66 14 39 73 72 65 51 87 32 82 14 41 22 24 30 66 73 88 34 44 14 57 73 22 75 65 15 16 23 88 21 72 71 57", "plaintext": "AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ROME"}, "difficulty": "expert", "language": "en", "text_length": 300, "length": 449, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "joseon-yeokhak-v3-0335", "text": "XMDDKSADSZWSV", "ciphertext": "XMDDKSADSZWSV", "plaintext": "FULL SAIL AHEAD", "label": "joseon_yeokhak", "cipher": "joseon_yeokhak", "cipher_family": "substitution", "key": {"type": "keyword", "value": "DYNASTY"}, "difficulty": "beginner", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021912", "text": "WL MLG XLMUFHV LYUFHXZGRLM DRGS VMXIBKGRLM ZGYZHS VMXLWVH YB IVEVIHRMT GSV ZOKSZYVG UIVJFVMXB ZMZOBHRH XZM IVEVZO DVZP XRKSVIH HFYHGRGFGRLM XRKSVIH NZK VZXS OVGGVI GL Z WRUUVIVMG OVGGVI", "ciphertext": "WL MLG XLMUFHV LYUFHXZGRLM DRGS VMXIBKGRLM ZGYZHS VMXLWVH YB IVEVIHRMT GSV ZOKSZYVG UIVJFVMXB ZMZOBHRH XZM IVEVZO DVZP XRKSVIH HFYHGRGFGRLM XRKSVIH NZK VZXS OVGGVI GL Z WRUUVIVMG OVGGVI", "plaintext": "DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION ATBASH ENCODES BY REVERSING THE ALPHABET FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "hard", "language": "en", "text_length": 159, "length": 159, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "pigpen-v3-0021", "text": "╳ ┬ ┼ ┌• ┐• ┐ ┼• ╳ ┐ ┼• ┌ ┌• ┐• ┼ ╲ ╲ ¬ ┬ ⌐ ┼• ┌ ┼ ╲ ⌐ ¬• ¬•", "ciphertext": "╳ ┬ ┼ ┌• ┐• ┐ ┼• ╳ ┐ ┼• ┌ ┌• ┐• ┼ ╲ ╲ ¬ ┬ ⌐ ┼• ┌ ┼ ╲ ⌐ ¬• ¬•", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 35, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-258", "text": "OGIEKMSJBEHXEKWW", "ciphertext": "OGIEKMSJBEHXEKWW", "plaintext": "BURN AFTER READING", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "CAT"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wheatstone-v2-0190", "text": "TRUSTFKTEAIMRDWFTELIITEFKAEALRTLKDIALKKMTUKTMTEFKAMWKUKDARSTLKDFKCFKLIIWLYS", "ciphertext": "TRUSTFKTEAIMRDWFTELIITEFKAEALRTLKDIALKKMTUKTMTEFKAMWKUKDARSTLKDFKCFKLIIWLYS", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kl7-v2-0381", "text": "KBUWDDXYAXZ", "ciphertext": "KBUWDDXYAXZ", "plaintext": "HOLD THE LINE", "label": "kl7", "cipher": "kl7", "cipher_family": "machine", "key": {"type": "seed", "value": "ALLIANCE"}, "difficulty": "expert", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "monoalphabetic-v2-1298", "text": "GIAAS CQQAJOIAQ CS BCPOLP", "ciphertext": "GIAAS CQQAJOIAQ CS BCPOLP", "plaintext": "FLEET ASSEMBLES AT HARBOR", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "COURAGE"}, "difficulty": "beginner", "language": "en", "text_length": 22, "length": 25, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0035", "text": "AHMGUOBLNKJF", "ciphertext": "AHMGUOBLNKJF", "plaintext": "IN GOD WE TRUST", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0312", "text": "SMZCRVOAETTNQWXERJLALWWERVADHTBWTKJVPMIZTFKALHHJJRFWSTTILZADLNQQNTBWB", "ciphertext": "SMZCRVOAETTNQWXERJLALWWERVADHTBWTKJVPMIZTFKALHHJJRFWSTTILZADLNQQNTBWB", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ROME"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0422", "text": "BWHKMRKJVQAOPJRVEZTRXMMXJHUYCXLQYUMEKDVYOFEEZJQTCCBKEMHBNRDHOZAEZAGQ", "ciphertext": "BWHKMRKJVQAOPJRVEZTRXMMXJHUYCXLQYUMEKDVYOFEEZJQTCCBKEMHBNRDHOZAEZAGQ", "plaintext": "COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "JKL"}, "difficulty": "expert", "language": "en", "text_length": 68, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-v2-0016", "text": "ORTETRRMEVECYA", "ciphertext": "ORTETRRMEVECYA", "plaintext": "COVER MY RETREAT", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v3-0125", "text": "90 15 44 63 91 90 88 55 54 81 45 84 66 82 91 90 80 20 76 53 40 91 90 75 58 18 81 11 63 53 91 90 47 30 77 91", "ciphertext": "90 15 44 63 91 90 88 55 54 81 45 84 66 82 91 90 80 20 76 53 40 91 90 75 58 18 81 11 63 53 91 90 47 30 77 91", "plaintext": "THE PRINTING PRESS CHANGES ALL", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 72, "length": 107, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v2-0443", "text": "EHAPBEKTTEDBSEEIJSBSEDWNMJSEHAFTAAENLFABDSEFXDUIJXFAVUNFWUEIARUDVLNIEMDAPBENIEGAMDAPSWPC", "ciphertext": "EHAPBEKTTEDBSEEIJSBSEDWNMJSEHAFTAAENLFABDSEFXDUIJXFAVUNFWUEIARUDVLNIEMDAPBENIEGAMDAPSWPC", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 88, "length": 88, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0706", "text": "ANIHLGAATGCLITWFIOUSEAUHMNEDDRMMIDRNTOATOAAHRNSTLSEFDPDLTRSNREYNOROOEPIREWCOD", "ciphertext": "ANIHLGAATGCLITWFIOUSEAUHMNEDDRMMIDRNTOATOAAHRNSTLSEFDPDLTRSNREYNOROOEPIREWCOD", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 12}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wallis-cipher-v2-0197", "text": "90 54 15 91 90 67 18 53 91 90 45 44 63 91 90 12 76 40 15 91 90 85 61 91 90 45 84 27 63 53 91 90 54 15 91 90 23 47 40 91 90 18 81 91 90 47 82 76 91 90 25 35 91 90 67 84 53 41 85 74 91 90 18 66 33 91 90 47 81 91 90 18 11 63 91 90 25 61 91 90 79 45 15 76 55 91 90 35 85 25 30 54 40 58 66 63 53 40 91", "ciphertext": "90 54 15 91 90 67 18 53 91 90 45 44 63 91 90 12 76 40 15 91 90 85 61 91 90 45 84 27 63 53 91 90 54 15 91 90 23 47 40 91 90 18 81 91 90 47 82 76 91 90 25 35 91 90 67 84 53 41 85 74 91 90 18 66 33 91 90 47 81 91 90 18 11 63 91 90 25 61 91 90 79 45 15 76 55 91 90 35 85 25 30 54 40 58 66 63 53 40 91", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 198, "length": 296, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v3-0033", "text": "QUTCVWAGKTCQ", "ciphertext": "QUTCVWAGKTCQ", "plaintext": "YANKEE DOODLE", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0009329", "text": "VAQR KBSP BVAP VQRA PRZR NFHE RFYR GGRE SERD HRAP LQVF GEVO HGVB AGUR ZRFF NTRJ NFUV QQRA OHGA BGFR PHER SERD HRAP LNAN YLFV FPNA ERIR NYJR NXPV CURE FFYB JYL", "ciphertext": "VAQR KBSP BVAP VQRA PRZR NFHE RFYR GGRE SERD HRAP LQVF GEVO HGVB AGUR ZRFF NTRJ NFUV QQRA OHGA BGFR PHER SERD HRAP LNAN YLFV FPNA ERIR NYJR NXPV CURE FFYB JYL", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS SLOWLY", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 127, "length": 127, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "jn25-v3-0003", "text": "26197 26194 26192 26184 26102 26180 26198 26193 26194 26199 26181 26100 26188 26191 26199 26188 26193 26194 26193 26184 26183 26180 26104", "ciphertext": "26197 26194 26192 26184 26102 26180 26198 26193 26194 26199 26181 26100 26188 26191 26199 26188 26193 26194 26193 26184 26183 26180 26104", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 115, "length": 137, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fractionated-morse-v3-0348", "text": "JTANRSXHNVMOAGTSVSANGTE", "ciphertext": "JTANRSXHNVMOAGTSVSANGTE", "plaintext": "GRAVITY EXPLAINS ALL", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 23, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "two-square-148", "text": "FHMNKAVPRLDSASTADTFAAELLSMTIENFABXUIENKTRELYQKFVRPCV", "ciphertext": "FHMNKAVPRLDSASTADTFAAELLSMTIENFABXUIENKTRELYQKFVRPCV", "plaintext": "ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS", "label": "two_square", "cipher": "two_square", "cipher_family": "polygraphic", "key": {"key1": "SECRET", "key2": "AGENTS"}, "difficulty": "advanced", "language": "en", "text_length": 52, "length": 52, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "nomenclator-v2-0206", "text": "60 08 05 01 22 05 14 19 04 05 03 12 01 18 05 60 07 12 15 18 25 62 07 15 04 61 60 06 09 18 13 01 13 05 14 20 19 08 15 23 05 20 08 06 15 18 20 08 08 09 19 08 01 14 04 09 23 15 18 11 05 01 03 08 14 09 07 08 20", "ciphertext": "60 08 05 01 22 05 14 19 04 05 03 12 01 18 05 60 07 12 15 18 25 62 07 15 04 61 60 06 09 18 13 01 13 05 14 20 19 08 15 23 05 20 08 06 15 18 20 08 08 09 19 08 01 14 04 09 23 15 18 11 05 01 03 08 14 09 07 08 20", "plaintext": "THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT", "label": "nomenclator", "cipher": "nomenclator", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 138, "length": 206, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0277", "text": "75 77 13 33 42 41 48 75 86 11 27 39 24 25", "ciphertext": "75 77 13 33 42 41 48 75 86 11 27 39 24 25", "plaintext": "TRUST BUT VERIFY", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "VATICAN"}, "difficulty": "expert", "language": "en", "text_length": 28, "length": 41, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kryha-v2-0222", "text": "CNEEPSOYAWFUYNJSYSTNBNRWSEETABYQHUCJTCNZCHMCJFFTLXEHRXVLPZAFLIBLESDXJODAKKMQUCWGYT", "ciphertext": "CNEEPSOYAWFUYNJSYSTNBNRWSEETABYQHUCJTCNZCHMCJFFTLXEHRXVLPZAFLIBLESDXJODAKKMQUCWGYT", "plaintext": "THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "VIENNA"}, "difficulty": "expert", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0188", "text": "SOCTFAOSAJZHHRTJTHBIOZSAMTFYOFZPZCEIZHPFEQTXSHTAAOSCFTATSIQTSIOYZVFZSBKXFW", "ciphertext": "SOCTFAOSAJZHHRTJTHBIOZSAMTFYOFZPZCEIZHPFEQTXSHTAAOSCFTATSIQTSIOYZVFZSBKXFW", "plaintext": "NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "AXUM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0371", "text": "UUFBZIRQGLJBLFNQFJACCAMRWRMZADHEWSJYFFMYZGRSGITAUJHK+RHREFJLDBRDJYDFWZGPLG", "ciphertext": "UUFBZIRQGLJBLFNQFJACCAMRWRMZADHEWSJYFFMYZGRSGITAUJHK+RHREFJLDBRDJYDFWZGPLG", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v2-0169", "text": "AXAFFDDGGFAXDXGFADGGAXFGGGFGAAAGVAFGAAVDGGAAVFDGAVAAGVDXFVAXDVAAGAFXDXADFFFXDGFGDXFXAGAFGGGGGFFADAGGDAXAXGDAVA", "ciphertext": "AXAFFDDGGFAXDXGFADGGAXFGGGFGAAAGVAFGAAVDGGAAVFDGAVAAGVDXFVAXDVAAGAFXDXADFFFXDGFGDXFXAGAFGGGGGFFADAGGDAXAXGDAVA", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 110, "length": 110, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "diana-294", "text": "LGECZWSPYTYEMUBCUCMUEUJWMFCTOMKWGYXTAWIEKMNKATGPGRANFUNJINKANJ", "ciphertext": "LGECZWSPYTYEMUBCUCMUEUJWMFCTOMKWGYXTAWIEKMNKATGPGRANFUNJINKANJ", "plaintext": "THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ENIGMA"}, "difficulty": "intermediate", "language": "en", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020490", "text": "DAINY OKSHY OTOLR CHEOL CTAII NOXED SHALQ OTEDY OKEED YAIII NDARA LDAIN YOKED YSHAR ALQOT EDYYP CHOLS HAIIN CHEDY", "ciphertext": "DAINY OKSHY OTOLR CHEOL CTAII NOXED SHALQ OTEDY OKEED YAIII NDARA LDAIN YOKED YSHAR ALQOT EDYYP CHOLS HAIIN CHEDY", "plaintext": "ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 95, "length": 95, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "hill-060", "text": "FLNTFMNABMAYAYHBHIZHVESPLCEYLDYWZROUMGAVYYKDHIQOUWWPDHVOFPYCGXZILVEAVXFCZIJNDPSMHBHILCVOXKPWZVWWVAHBTHLCEYAVHRACVETYFBFLNTVEXOMCACDFFRMPCADQDHTV", "ciphertext": "FLNTFMNABMAYAYHBHIZHVESPLCEYLDYWZROUMGAVYYKDHIQOUWWPDHVOFPYCGXZILVEAVXFCZIJNDPSMHBHILCVOXKPWZVWWVAHBTHLCEYAVHRACVETYFBFLNTVEXOMCACDFFRMPCADQDHTV", "plaintext": "CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 144, "length": 144, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v3-0377", "text": "DMMHMRLGMUFNWTLTIBGRYTKMXXNMTESWBVSYANFFGGRVPLHOEDLTDMKQGWTCSOUSWDFRUORVPDPK", "ciphertext": "DMMHMRLGMUFNWTLTIBGRYTKMXXNMTESWBVSYANFFGGRVPLHOEDLTDMKQGWTCSOUSWDFRUORVPDPK", "plaintext": "THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 9, "b": 2, "c": 7, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0006239", "text": "CBYLN YCUNO RGVPP VCURE FHFRZ HYGVC YRNYC UNORG FUVSG FGURE NVYSR APRPV CUREJ EVGRF GRKGV ANMVT MNTCN GGREA GURRA VTZNZ NPUVA RHFRQ EBGBE FGBPE RNGRN CBYLN YCUNO RGVPP VCURE", "ciphertext": "CBYLN YCUNO RGVPP VCURE FHFRZ HYGVC YRNYC UNORG FUVSG FGURE NVYSR APRPV CUREJ EVGRF GRKGV ANMVT MNTCN GGREA GURRA VTZNZ NPUVA RHFRQ EBGBE FGBPE RNGRN CBYLN YCUNO RGVPP VCURE", "plaintext": "POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 145, "length": 145, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "cda-0021621", "text": "11.4.1 8.2.7 13.1.2 16.5.4 3.2.8 5.5.10 17.6.8 3.6.2 20.4.8 20.4.10 12.6.4 7.2.3 9.6.9 10.2.3 7.4.3 9.2.7 13.6.5 6.6.9 20.4.6 1.6.7 19.5.7 14.4.2 4.2.4 13.6.3 17.6.8 13.3.7 6.6.6 3.6.8 12.1.10 12.4.2 2.3.1 10.1.1 3.6.10 13.3.8 14.6.5 9.5.8 1.5.7 13.1.3 2.2.3 5.2.8 13.6.3 20.5.9 18.3.9 3.3.9 3.4.9 16.6.6", "ciphertext": "11.4.1 8.2.7 13.1.2 16.5.4 3.2.8 5.5.10 17.6.8 3.6.2 20.4.8 20.4.10 12.6.4 7.2.3 9.6.9 10.2.3 7.4.3 9.2.7 13.6.5 6.6.9 20.4.6 1.6.7 19.5.7 14.4.2 4.2.4 13.6.3 17.6.8 13.3.7 6.6.6 3.6.8 12.1.10 12.4.2 2.3.1 10.1.1 3.6.10 13.3.8 14.6.5 9.5.8 1.5.7 13.1.3 2.2.3 5.2.8 13.6.3 20.5.9 18.3.9 3.3.9 3.4.9 16.6.6", "plaintext": "FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CERTAINLY", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "medium", "language": "en", "text_length": 46, "length": 46, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "bazeries-v2-0497", "text": "PBAYAQNJXMJQJQKXMRPBXEJGGQQFOFQBVNJYYVQYOPPJAQIYFHJAVYYTJRYDAQTIFPJAVYPJQDFYMOMJNHYAPXMYUYTHYQPXTYPBUYISRFXOIYEIBIMYAKBRQFKFMYMRQIYBFIFQKXFAQPXGTISJNPJAQYHFUYMJQTPQBGFYQYMRYPP", "ciphertext": "PBAYAQNJXMJQJQKXMRPBXEJGGQQFOFQBVNJYYVQYOPPJAQIYFHJAVYYTJRYDAQTIFPJAVYPJQDFYMOMJNHYAPXMYUYTHYQPXTYPBUYISRFXOIYEIBIMYAKBRQFKFMYMRQIYBFIFQKXFAQPXGTISJNPJAQYHFUYMJQTPQBGFYQYMRYPP", "plaintext": "THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 41}, "difficulty": "advanced", "language": "en", "text_length": 175, "length": 175, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0591", "text": "ULUMXDYKAQTARKBXJYBUKZJOYRCJGAYUGAOKEDPMHVPHSLMDICZYBSFMGYGWDGABVIEXQHBCFUIW", "ciphertext": "ULUMXDYKAQTARKBXJYBUKZJOYRCJGAYUGAOKEDPMHVPHSLMDICZYBSFMGYGWDGABVIEXQHBCFUIW", "plaintext": "ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 11}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cardano-autokey-v2-0198", "text": "NBBATFXMXVKHFVQMIVFATPRGTNQEFXAVIANATFTCZEAHNGHGHTEKKNQUVQAJZELWORIVU", "ciphertext": "NBBATFXMXVKHFVQMIVFATPRGTNQEFXAVIANATFTCZEAHNGHGHTEKKNQUVQAJZELWORIVU", "plaintext": "IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT", "label": "cardano_autokey", "cipher": "cardano_autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FLORENCE"}, "difficulty": "advanced", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-098", "text": "AJLXFJPRHIFLEKVIFDQLLRPPYKFQLKFDBIDNSQEOZIROAL", "ciphertext": "AJLXFJPRHIFLEKVIFDQLLRPPYKFQLKFDBIDNSQEOZIROAL", "plaintext": "THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 7}, "difficulty": "advanced", "language": "en", "text_length": 46, "length": 46, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "voynich-render-050", "text": "gcd oqg is joq kx is vkgof klniqgoryd gi gcd xgogd kg kx fksd iq edogc", "ciphertext": "gcd oqg is joq kx is vkgof klniqgoryd gi gcd xgogd kg kx fksd iq edogc", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "voynich_render", "cipher": "voynich_render", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 70, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0020777", "text": "859 823 813 999 845 833 801 872 816 800 826 853 999 808 824 845 821 814 853 999 814 839 807 853 872 846 857 856 999 845 801 825 852 855 999 842 817 999 833 812 859 858 813 852 854 999 855 825 836 861 834 859 802 840 812 844 862 855 833 873 999", "ciphertext": "859 823 813 999 845 833 801 872 816 800 826 853 999 808 824 845 821 814 853 999 814 839 807 853 872 846 857 856 999 845 801 825 852 855 999 842 817 999 833 812 859 858 813 852 854 999 855 825 836 861 834 859 802 840 812 844 862 855 833 873 999", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "rail-fence-fr-010", "text": "LRPBIUFACIESIDVSBEAQEEORTQETOILAEULQERNASETNIIILLIUDMCAIUESCAE", "ciphertext": "LRPBIUFACIESIDVSBEAQEEORTQETOILAEULQERNASETNIIILLIUDMCAIUESCAE", "plaintext": "LA REPUBLIQUE FRANCAISE EST INDIVISIBLE LAIQUE DEMOCRATIQUE ET SOCIALE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 2}, "difficulty": "intermediate", "language": "fr", "text_length": 62, "length": 62, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kryptos-v3-0263", "text": "YXJIHJYNTOMKYUWKMNBVVITAUYZYPBEOSXSCTSWMVUDQVBRJSABDIDGZGTQHRHSSVMFSBUATQDZMSI", "ciphertext": "YXJIHJYNTOMKYUWKMNBVVITAUYZYPBEOSXSCTSWMVUDQVBRJSABDIDGZGTQHRHSSVMFSBUATQDZMSI", "plaintext": "SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "VIRTUAL"}, "difficulty": "advanced", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chaocipher-160", "text": "GKIUKHWZOGGOOCFXCTKCIUSZMULTUTJWHAHGKLPHVGLTJQIT", "ciphertext": "GKIUKHWZOGGOOCFXCTKCIUSZMULTUTJWHAHGKLPHVGLTJQIT", "plaintext": "WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 48, "length": 48, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "vic-089", "text": "9034878684959031868293436924908781465189814651908948481", "ciphertext": "9034878684959031868293436924908781465189814651908948481", "plaintext": "THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "wallis-cipher-011", "text": "90 27 38 52 69 59 71 91 90 84 85 91 90 21 82 60 41 78 91", "ciphertext": "90 27 38 52 69 59 71 91 90 84 85 91 90 21 82 60 41 78 91", "plaintext": "CHANGE OF PLANS", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "WALLIS"}, "difficulty": "expert", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0007331", "text": "LQBI OJFI CIRU FEQV HQVZ LEQU CZLE YIUU JFIZ EOPO GZVF HZLE OFZV UT", "ciphertext": "LQBI OJFI CIRU FEQV HQVZ LEQU CZLE YIUU JFIZ EOPO GZVF HZLE OFZV UT", "plaintext": "HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS HONESTLY", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "IRXCFDGLPMAUBOEHKJZVQNYWTS"}, "difficulty": "medium", "language": "en", "text_length": 54, "length": 54, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "wallis-cipher-v2-0238", "text": "90 18 30 77 91 90 67 47 55 61 18 20 63 91 90 54 53 91 90 12 47 40 76 41 91 90 85 81 91 90 33 63 75 76 88 15 84 25 66 91 90 44 63 81 73 76 91 90 23 58 63 66 91 90 18 69 30 76 91 90 45 85 91 160 90 67 63 91 90 27 79 53 15 91 90 40 76 63 74 91 90 72 81 47 12 77 76 91 90 23 44 63 66 91 90 79 53 54 81 82 91 90 25 72 55 91 90 35 85 20 75 76 40 91 90 67 63 91 90 27 79 53 45 91 90 40 76 63 74 91 90 84 66 18 73 15 54 37 76 91 90 23 58 63 81 91 90 67 76 91 90 47 55 63 91 90 66 76 18 20 91 90 23 63 91 90 27 72 53 45 91 90 74 47 17 76 91 90 15 44 63 91 90 76 81 63 27 89 91 90 69 76 30 84 63 71 76 91 90 67 63 91 90 18 55 76 91 90 61 47 20 91 90 18 23 47 16 91", "ciphertext": "90 18 30 77 91 90 67 47 55 61 18 20 63 91 90 54 53 91 90 12 47 40 76 41 91 90 85 81 91 90 33 63 75 76 88 15 84 25 66 91 90 44 63 81 73 76 91 90 23 58 63 66 91 90 18 69 30 76 91 90 45 85 91 160 90 67 63 91 90 27 79 53 15 91 90 40 76 63 74 91 90 72 81 47 12 77 76 91 90 23 44 63 66 91 90 79 53 54 81 82 91 90 25 72 55 91 90 35 85 20 75 76 40 91 90 67 63 91 90 27 79 53 45 91 90 40 76 63 74 91 90 84 66 18 73 15 54 37 76 91 90 23 58 63 81 91 90 67 76 91 90 47 55 63 91 90 66 76 18 20 91 90 23 63 91 90 27 72 53 45 91 90 74 47 17 76 91 90 15 44 63 91 90 76 81 63 27 89 91 90 69 76 30 84 63 71 76 91 90 67 63 91 90 18 55 76 91 90 61 47 20 91 90 18 23 47 16 91", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "wallis_cipher", "cipher": "wallis_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "ENGLAND"}, "difficulty": "expert", "language": "en", "text_length": 437, "length": 654, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "columnar-transposition-vi-0101", "text": "JNRYGAIYNSIOOEIOAASOTEEVTEIHAAIREULBELLOTDSAYCOTSDAPRELWDIJEGNETPCELNNELREENLE", "ciphertext": "JNRYGAIYNSIOOEIOAASOTEEVTEIHAAIREULBELLOTDSAYCOTSDAPRELWDIJEGNETPCELNNELREENLE", "plaintext": "REJOICE IN THE LORD ALWAYS AND AGAIN I SAY REJOICE LET YOUR GENTLENESS BE EVIDENT TO ALL PEOPLE", "label": "columnar_transposition", "cipher": "columnar_transposition", "cipher_family": "transposition", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "intermediate", "language": "en", "text_length": 78, "length": 78, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-de-039", "text": "EERNHIKIDEUDIENGTNCTFEIIUHRT", "ciphertext": "EERNHIKIDEUDIENGTNCTFEIIUHRT", "plaintext": "EINIGKEIT UND RECHT UND FREIHEIT", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 4}, "difficulty": "intermediate", "language": "de", "text_length": 28, "length": 28, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v3-0267", "text": "CKMTCMBTKGOHTYTNLKKOZBMLAHQPAEPIOAVGSXRBNHQTUCVNMYOKOLLBLOULZBMLLYMVDCLKCNSNBZTUXLCOSN", "ciphertext": "CKMTCMBTKGOHTYTNLKKOZBMLAHQPAEPIOAVGSXRBNHQTUCVNMYOKOLLBLOULZBMLLYMVDCLKCNSNBZTUXLCOSN", "plaintext": "DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 86, "length": 86, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "great-cipher-163", "text": "116 165 117 180 140 162 104 121 170 181 137 167 159 138 111 180 114 128 123 159 129 178 116 165 177 107 133 168 153 159 134 125 174 116 169 157 129 178", "ciphertext": "116 165 117 180 140 162 104 121 170 181 137 167 159 138 111 180 114 128 123 159 129 178 116 165 177 107 133 168 153 159 134 125 174 116 169 157 129 178", "plaintext": "THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER", "label": "great_cipher", "cipher": "great_cipher", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 114, "length": 151, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "straddling-checkerboard-v3-0205", "text": "146262352373234623234626212346728761599214237463457646262351772322626237438283242137023841217252590102339422282370023814639724124123226262338763242589731696134626962375700914232220362662623249003249707002359422626233820165324700942365", "ciphertext": "146262352373234623234626212346728761599214237463457646262351772322626237438283242137023841217252590102339422282370023814639724124123226262338763242589731696134626962375700914232220362662623249003249707002359422626233820165324700942365", "plaintext": "IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS", "label": "straddling_checkerboard", "cipher": "straddling_checkerboard", "cipher_family": "substitution", "key": {"type": "top_row", "value": "LIONSTRACE"}, "difficulty": "advanced", "language": "en", "text_length": 234, "length": 234, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v3-0182", "text": "GLILGRJITRYMZXMCLBTRRCGHYBQHABFZUAVUDWERXDRDLRXQBFMYTMJSFWLJHPKPZZOSNUAIPSBA", "ciphertext": "GLILGRJITRYMZXMCLBTRRCGHYBQHABFZUAVUDWERXDRDLRXQBFMYTMJSFWLJHPKPZZOSNUAIPSBA", "plaintext": "THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0110", "text": "AXFVFDFGFAAADGAXGAADGADGAXAXDFDV", "ciphertext": "AXFVFDFGFAAADGAXGAADGADGAXAXDFDV", "plaintext": "THE GATES HOLD FIRM", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0239", "text": "TBLHHDXYHTNCHDVLHBNRDKXPJEBNBZUJUAJYDQMRJRPVFCPVQGSGEBICOJMDVJMSQDMSOHMXSFPEXMJJLGBMUOFOSAUUXBAFZFEQZNZLOIXTSSOSFHVQBFTDJQTWTLPCKXMPTDHFXBKHOAJTMCDVQQQALAKQHSTHLFDQWQYNQ", "ciphertext": "TBLHHDXYHTNCHDVLHBNRDKXPJEBNBZUJUAJYDQMRJRPVFCPVQGSGEBICOJMDVJMSQDMSOHMXSFPEXMJJLGBMUOFOSAUUXBAFZFEQZNZLOIXTSSOSFHVQBFTDJQTWTLPCKXMPTDHFXBKHOAJTMCDVQQQALAKQHSTHLFDQWQYNQ", "plaintext": "GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 169, "length": 169, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-142", "text": "SSCZXWGVRWAC4VBVVB", "ciphertext": "SSCZXWGVRWAC4VBVVB", "plaintext": "AWAIT FURTHER ORDERS", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0021120", "text": "13.1.6 1.1.9 4.5.9 1.6.9 13.6.10 5.5.9 9.2.1 16.6.7 16.3.8 19.1.4 11.6.10 7.4.8 7.3.6 5.5.5 19.2.5 15.2.8 2.1.4 8.5.5 19.1.4 3.2.5 8.6.9 18.2.10 5.1.5 7.3.10 10.4.1 12.5.8 10.2.7 2.3.9 3.6.5 5.3.4 9.1.2 18.4.8 19.1.9 8.3.7 19.6.8 5.4.1 19.6.1 5.6.10 18.3.5 12.5.7 18.6.3 12.6.9 12.3.2 10.2.8 10.3.10 2.2.9 13.6.6 12.6.6 8.1.2 3.5.4 7.3.10 12.3.7 16.1.3 16.1.5 6.1.8 3.2.2 12.5.10 15.3.8 1.3.2 4.2.3 17.1.8 19.1.3 19.4.1 5.3.1 5.3.10 15.5.6 11.6.9 14.5.5 2.1.2 8.2.4 15.6.4 10.3.1 17.2.2 8.5.3 10.1.9 16.4.3 13.3.9 2.3.9 6.5.9 13.4.3 3.2.10 17.3.3 7.3.1 12.5.7 13.1.2 8.3.7 1.4.5 20.3.3 10.5.9 8.3.2 12.1.9 8.1.3 20.4.8 15.3.9 12.4.2 19.4.4 9.3.1 3.2.6 19.4.9 9.5.6 1.1.10 14.2.10 1.2.10 8.1.10 3.4.1 2.6.6 9.4.8 15.2.9 2.6.6 6.4.8 13.2.5 11.5.6 18.4.9 7.3.2 5.4.3 4.4.5 12.6.3 1.5.9 4.1.8 6.6.10 18.3.7 14.3.10 2.2.7 13.4.1 20.1.9 5.2.2 19.4.1 2.1.4 20.3.3 9.6.1 10.6.5 15.6.3 11.5.5 15.2.6 2.6.9 11.5.3 19.2.5 11.1.7 16.6.4 17.2.1 20.5.7 10.3.5 3.6.5 1.4.2 18.4.3 20.6.7 3.2.10 12.4.8 2.1.1 12.1.7 9.4.10 2.5.9 2.2.4 1.6.7 5.2.3 5.5.5 2.3.8 9.2.10 17.6.6 10.3.6", "ciphertext": "13.1.6 1.1.9 4.5.9 1.6.9 13.6.10 5.5.9 9.2.1 16.6.7 16.3.8 19.1.4 11.6.10 7.4.8 7.3.6 5.5.5 19.2.5 15.2.8 2.1.4 8.5.5 19.1.4 3.2.5 8.6.9 18.2.10 5.1.5 7.3.10 10.4.1 12.5.8 10.2.7 2.3.9 3.6.5 5.3.4 9.1.2 18.4.8 19.1.9 8.3.7 19.6.8 5.4.1 19.6.1 5.6.10 18.3.5 12.5.7 18.6.3 12.6.9 12.3.2 10.2.8 10.3.10 2.2.9 13.6.6 12.6.6 8.1.2 3.5.4 7.3.10 12.3.7 16.1.3 16.1.5 6.1.8 3.2.2 12.5.10 15.3.8 1.3.2 4.2.3 17.1.8 19.1.3 19.4.1 5.3.1 5.3.10 15.5.6 11.6.9 14.5.5 2.1.2 8.2.4 15.6.4 10.3.1 17.2.2 8.5.3 10.1.9 16.4.3 13.3.9 2.3.9 6.5.9 13.4.3 3.2.10 17.3.3 7.3.1 12.5.7 13.1.2 8.3.7 1.4.5 20.3.3 10.5.9 8.3.2 12.1.9 8.1.3 20.4.8 15.3.9 12.4.2 19.4.4 9.3.1 3.2.6 19.4.9 9.5.6 1.1.10 14.2.10 1.2.10 8.1.10 3.4.1 2.6.6 9.4.8 15.2.9 2.6.6 6.4.8 13.2.5 11.5.6 18.4.9 7.3.2 5.4.3 4.4.5 12.6.3 1.5.9 4.1.8 6.6.10 18.3.7 14.3.10 2.2.7 13.4.1 20.1.9 5.2.2 19.4.1 2.1.4 20.3.3 9.6.1 10.6.5 15.6.3 11.5.5 15.2.6 2.6.9 11.5.3 19.2.5 11.1.7 16.6.4 17.2.1 20.5.7 10.3.5 3.6.5 1.4.2 18.4.3 20.6.7 3.2.10 12.4.8 2.1.1 12.1.7 9.4.10 2.5.9 2.2.4 1.6.7 5.2.3 5.5.5 2.3.8 9.2.10 17.6.6 10.3.6", "plaintext": "ATBASH ENCODES BY REVERSING THE ALPHABET THE VIGENERE CIPHER USES A REPEATING KEYWORD ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 160, "length": 160, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "cda-0015701", "text": "⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌· ┐ L ┌· r ┐ r· ┘· ⌐· ⌐· X ┐· ┌· Γ· ─ r Γ· ┐· └ L X ⌐ ⌒· X K r· L X ⌒· X K L ┌ ┌ X· X K ¬ L X L r X· ┌· L L K· L ─ Γ· ⌐· L ─ L ┌ ⌒· ┐ ─ ┘· ⌒ X ⌐ └ ¬· ┘· ┌· Γ· K r· ┌ Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X r· Γ· └ └ r Γ· ┐· r· L ┌· X· X L X └ Γ· ─ L ⌐ ┌· ⌐ └ ¬· L ¬ ┌· ⌐ K ┘· L ─ r ┌· ⌒· ┐· K ¬ └ ┘· r ┐ X ┘· ⌐· └ L K K L ┌· X", "ciphertext": "⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌· ┐ L ┌· r ┐ r· ┘· ⌐· ⌐· X ┐· ┌· Γ· ─ r Γ· ┐· └ L X ⌐ ⌒· X K r· L X ⌒· X K L ┌ ┌ X· X K ¬ L X L r X· ┌· L L K· L ─ Γ· ⌐· L ─ L ┌ ⌒· ┐ ─ ┘· ⌒ X ⌐ └ ¬· ┘· ┌· Γ· K r· ┌ Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X r· Γ· └ └ r Γ· ┐· r· L ┌· X· X L X └ Γ· ─ L ⌐ ┌· ⌐ └ ¬· L ¬ ┌· ⌐ K ┘· L ─ r ┌· ⌒· ┐· K ¬ └ ┘· r ┐ X ┘· ⌐· └ L K K L ┌· X", "plaintext": "AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "hard", "language": "en", "text_length": 89, "length": 89, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "gronsfeld-v2-0077", "text": "TVQQMZMJOFTIBWFCFFODVUSBUJPOTGPSUISFFEBZTPOMZBXBJUSFTVQQMZPSCSFBLUISPVHIMJOFT", "ciphertext": "TVQQMZMJOFTIBWFCFFODVUSBUJPOTGPSUISFFEBZTPOMZBXBJUSFTVQQMZPSCSFBLUISPVHIMJOFT", "plaintext": "SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "11111"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vic-v2-0306", "text": "5843913804358882833551878378437811918335518783915745381888739153897575186383359168892933468274187813381", "ciphertext": "5843913804358882833551878378437811918335518783915745381888739153897575186383359168892933468274187813381", "plaintext": "THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 103, "length": 103, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "red-type-a-002", "text": "PQYOEJEWTE", "ciphertext": "PQYOEJEWTE", "plaintext": "FLEE AT ONCE", "label": "red_type_a", "cipher": "red_type_a", "cipher_family": "machine", "key": {"type": "keyword", "value": "TOKYORED"}, "difficulty": "advanced", "language": "en", "text_length": 10, "length": 10, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0005523", "text": "CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU NGONFU RAPBQRF OL ERIREFVAT GUR NYCUNORG GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR SEVRQZNA RFGVZNGRQ XRL YRATGU SEBZ FGNGVFGVPF", "ciphertext": "CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU NGONFU RAPBQRF OL ERIREFVAT GUR NYCUNORG GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR SEVRQZNA RFGVZNGRQ XRL YRATGU SEBZ FGNGVFGVPF", "plaintext": "PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ATBASH ENCODES BY REVERSING THE ALPHABET THE INDEX OF COINCIDENCE IS A USEFUL CLUE FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 153, "length": 153, "attack_methods": ["brute_force_26", "self_inverse_check"], "educational_note": "ROT-13 is Caesar with shift 13 — it is its own inverse.", "source": "synthetic_educational"}
{"id": "m94-v2-0180", "text": "HKNXCCJVXDZOAVJKSLLSWHFDPDGTWLDBGLKRFGOCPSNHTFEFSXJITZBPGYSRSCPSOVAIDJRBQIZYR", "ciphertext": "HKNXCCJVXDZOAVJKSLLSWHFDPDGTWLDBGLKRFGOCPSNHTFEFSXJITZBPGYSRSCPSOVAIDJRBQIZYR", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "FREEDOM"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "slidex-015", "text": "WYBHMESDKUODTHOA", "ciphertext": "WYBHMESDKUODTHOA", "plaintext": "OPERATION BEGINS", "label": "slidex", "cipher": "slidex", "cipher_family": "transposition", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "playfair-v2-1067", "text": "QDCTTULNGSSGKS", "ciphertext": "QDCTTULNGSSGKS", "plaintext": "PRESS THE ATTACK", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "DRAGON"}, "difficulty": "intermediate", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-v3-0058", "text": "UCCDQMULSVXAESMVCWAWXNL+IXXP+HPXNDZMBSEKWVRPOQ+GUJDFFVOLSPVCASXMHWTUVPQGLD", "ciphertext": "UCCDQMULSVXAESMVCWAWXNL+IXXP+HPXNDZMBSEKWVRPOQ+GUJDFFVOLSPVCASXMHWTUVPQGLD", "plaintext": "THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "trifid-vg-0024", "text": "DQQKMBCIKSXXMHWHRSVRMHHWEMDRABEFPJOQ+KMKHDRHJESQLMEUQVVOPIOKN", "ciphertext": "DQQKMBCIKSXXMHWHRSVRMHHWEMDRABEFPJOQ+KMKHDRHJESQLMEUQVVOPIOKN", "plaintext": "FAITH IS THE SUBSTANCE OF THINGS HOPED FOR THE EVIDENCE OF THINGS NOT SEEN", "label": "trifid", "cipher": "trifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "advanced", "language": "en", "text_length": 61, "length": 61, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v3-0234", "text": "MBADQLTPNCFEHIAGKDVNKLQSNBLKFAOHGBIHNQZAUTRLPMMKSNEFMPLBLOBDUMRYRLOHIPLX", "ciphertext": "MBADQLTPNCFEHIAGKDVNKLQSNBLKFAOHGBIHNQZAUTRLPMMKSNEFMPLBLOBDUMRYRLOHIPLX", "plaintext": "IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "BATTLE"}, "difficulty": "intermediate", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0010621", "text": "UXVSL BY ABUXAUVSXAS ZSEQKMSQ PSNNSM YMSWKSXAJ VUQNMUHKNUBX VURMEID EXV NMURMEID YMSWKSXAUSQ SLIBQS QUZIPS AUIDSMQ", "ciphertext": "UXVSL BY ABUXAUVSXAS ZSEQKMSQ PSNNSM YMSWKSXAJ VUQNMUHKNUBX VURMEID EXV NMURMEID YMSWKSXAUSQ SLIBQS QUZIPS AUIDSMQ", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS", "label": "monoalphabetic", "cipher": "monoalphabetic", "key": {"alphabet": "EHAVSYRDUFTPZXBIWMQNKCOLJG"}, "difficulty": "hard", "language": "en", "text_length": 101, "length": 101, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "rail-fence-v3-0246", "text": "MNEOCATESUUCREECTIW", "ciphertext": "MNEOCATESUUCREECTIW", "plaintext": "MEASURE TWICE CUT ONCE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 9}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-v2-0031", "text": "NYTAMAAARYTU", "ciphertext": "NYTAMAAARYTU", "plaintext": "VENI VIDI VICI", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0462", "text": "DFIEOMLETUNYENGDCKTKSBUHOLRMSQKKGLBVEAAASBRDDLNHGCKARTEQSBDDUMEQAFNNLISBRSAFGQFUSBBQGQEIUUXRLBLPFUBQIYHIAFFOREDDUHDUHFGDOULMTALIQSQAOMKM", "ciphertext": "DFIEOMLETUNYENGDCKTKSBUHOLRMSQKKGLBVEAAASBRDDLNHGCKARTEQSBDDUMEQAFNNLISBRSAFGQFUSBBQGQEIUUXRLBLPFUBQIYHIAFFOREDDUHDUHFGDOULMTALIQSQAOMKM", "plaintext": "ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "DRAGON", "key2": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 136, "length": 136, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-029", "text": "DNBQMHQRFAJUMIJC", "ciphertext": "DNBQMHQRFAJUMIJC", "plaintext": "LOCK DOWN ALL GATES", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "TYPEX"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0003335", "text": "EEMEHTTLEHHOFSLENDEFICAMKDRXEIFIGRXENLTEREAEGAERCPICECCAESOPNRMRLDEEBSHIYDPNSCRCTTAIETBETLOOTGTCNIRKIAPEEISXTUABORLLNDHRDRUETSRNYETUTRRIAIGSNENSOPTEETOOEITCISHSEA", "ciphertext": "EEMEHTTLEHHOFSLENDEFICAMKDRXEIFIGRXENLTEREAEGAERCPICECCAESOPNRMRLDEEBSHIYDPNSCRCTTAIETBETLOOTGTCNIRKIAPEEISXTUABORLLNDHRDRUETSRNYETUTRRIAIGSNENSOPTEETOOEITCISHSEA", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS", "label": "double_transposition", "cipher": "double_transposition", "key": {"key1": "JUSTICE", "key2": "PALACE"}, "difficulty": "hard", "language": "en", "text_length": 162, "length": 162, "attack_methods": ["key_length_search", "anagram_recovery"], "educational_note": "Double columnar transposition: apply columnar twice for stronger security.", "source": "synthetic_educational"}
{"id": "cda-0003947", "text": "HUR WARSL BS QBWNQVQSAQS WF N HFSTIY PYHS FVN SEVSRAOA GRFF IFRF GVS WAQSK BT QBVAPWRSAPS GB SGGVZNGS YNL YRAUHU SEVSRAOA SFGWAOGSQ XSM YRATGV NEBZ FGOHVFGVQE", "ciphertext": "HUR WARSL BS QBWNQVQSAQS WF N HFSTIY PYHS FVN SEVSRAOA GRFF IFRF GVS WAQSK BT QBVAPWRSAPS GB SGGVZNGS YNL YRAUHU SEVSRAOA SFGWAOGSQ XSM YRATGV NEBZ FGOHVFGVQE", "plaintext": "THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS", "label": "porta", "cipher": "porta", "key": {"key": "LIBRARY"}, "difficulty": "hard", "language": "en", "text_length": 133, "length": 133, "attack_methods": ["kasiski_examination", "index_of_coincidence"], "educational_note": "Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).", "source": "synthetic_educational"}
{"id": "m209-v2-0065", "text": "WCBOYSBTQJXWRXLLXMOJYVBTLTNKGVWBWMJNYOYMWXPBJXRYTQZKAMFIKVDQCQZLMVDKVCLUPR", "ciphertext": "WCBOYSBTQJXWRXLLXMOJYVBTLTNKGVWBWMJNYOYMWXPBJXRYTQZKAMFIKVDQCQZLMVDKVCLUPR", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v2-0281", "text": "JWEZTYUT VGZYRF BZUEKGN", "ciphertext": "JWEZTYUT VGZYRF BZUEKGN", "plaintext": "PATIENCE BRINGS VICTORY", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "INDIA"}, "difficulty": "intermediate", "language": "en", "text_length": 21, "length": 23, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "running-key-v3-0045", "text": "XHYRERCAEEWJEIWSMVMJ", "ciphertext": "XHYRERCAEEWJEIWSMVMJ", "plaintext": "STEAM POWER TRANSFORMS", "label": "running_key", "cipher": "running_key", "cipher_family": "polyalphabetic", "key": {"type": "text", "value": "Gettysburg Address opening"}, "difficulty": "intermediate", "language": "en", "text_length": 20, "length": 20, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgvx-v3-0140", "text": "DXGDAADVDDVAAADDVAAGAGAAVADDAFAXAGDF", "ciphertext": "DXGDAADVDDVAAADDVAAGAGAAVADDAFAXAGDF", "plaintext": "GRAVITY EXPLAINS ALL", "label": "adfgvx", "cipher": "adfgvx", "cipher_family": "fractionation", "key": {"polybius": "LIBERTY", "columnar": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "pigpen-v3-0024", "text": "╳ ┬ ┼ ╳• ┐ ┼• ├ ┐ ╲ ╳• ┐ ╳ ┬ ╱ ╲", "ciphertext": "╳ ┬ ┼ ╳• ┐ ┼• ├ ┐ ╲ ╳• ┐ ╳ ┬ ╱ ╲", "plaintext": "THE WIND IS WITH US", "label": "pigpen", "cipher": "pigpen", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 18, "length": 32, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-v2-0022", "text": "99999 90003 90008 90021 90008 90003 90004 99998 00002 99999 90002 90014 90013 90016 90020 90004 90017 99998", "ciphertext": "99999 90003 90008 90021 90008 90003 90004 99998 00002 99999 90002 90014 90013 90016 90020 90004 90017 99998", "plaintext": "DIVIDE AND CONQUER", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 90, "length": 107, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "chinese-telegraph-v3-0157", "text": "7720 7654 7194 8781 7467 8038 8100 8603 9003 7467 8603 7256 7467 7590 8685 8038 8603 8100 7529 7720 7590 7654 8603 8528 7194 7720 7401 7783 8100 7654 8038 8206 7194 8685 7911 7783 8100 8038 7467 8528 7194 8528 8603 7654 7467 7256 8100 8038 7654 8100 7974 7974 7467 8437 7720 7338 7654 7194 8437 7401 8603 8100 8100 7849 7654 7467 7194 8781 9003 7529 7720 8437 7467", "ciphertext": "7720 7654 7194 8781 7467 8038 8100 8603 9003 7467 8603 7256 7467 7590 8685 8038 8603 8100 7529 7720 7590 7654 8603 8528 7194 7720 7401 7783 8100 7654 8038 8206 7194 8685 7911 7783 8100 8038 7467 8528 7194 8528 8603 7654 7467 7256 8100 8038 7654 8100 7974 7974 7467 8437 7720 7338 7654 7194 8437 7401 8603 8100 8100 7849 7654 7467 7194 8781 9003 7529 7720 8437 7467", "plaintext": "I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE", "label": "chinese_telegraph", "cipher": "chinese_telegraph", "cipher_family": "codebook", "key": {"type": "additive", "value": "27182"}, "difficulty": "expert", "language": "en", "text_length": 292, "length": 364, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0533", "text": "DXGAFAFFAFGFGXXGDAAXAAAFFAGFGAGGDGFGXGXGFGAGDFDGDGXDXFXFDDXFGDDGDDXFFFFGDGADXADGDADDXDAXAFAFAAFGGADAGGDXXXGAXGXXGAFAXFXDXXDGGFDDGFDGXDDFFDXDADGADGAA", "ciphertext": "DXGAFAFFAFGFGXXGDAAXAAAFFAGFGAGGDGFGXGXGFGAGDFDGDGXDXFXFDDXFGDDGDDXFFFFGDGADXADGDADDXDAXAFAFAAFGGADAGGDXXXGAXGXXGAFAXFXDXXDGGFDDGFDGXDDFFDXDADGADGAA", "plaintext": "I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "WISDOM", "columnar": "COURAGE"}, "difficulty": "advanced", "language": "en", "text_length": 148, "length": 148, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-v2-0369", "text": "AXAGFXGFGFADFDFFGDADGAXGFF", "ciphertext": "AXAGFXGFGFADFDFFGDADGAXGFF", "plaintext": "AWAIT MY SIGNAL", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "DRAGON", "columnar": "THUNDER"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "polybius-la-025", "text": "33 15 32 34 32 15 24 32 35 45 33 15 31 11 13 15 43 43 24 44", "ciphertext": "33 15 32 34 32 15 24 32 35 45 33 15 31 11 13 15 43 43 24 44", "plaintext": "NEMO ME IMPUNE LACESSIT", "label": "polybius", "cipher": "polybius", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "la", "text_length": 40, "length": 59, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013653", "text": "14.5.6 16.2.6 11.5.8 16.1.7 6.2.9 15.5.9 5.5.10 19.1.6 14.4.4 9.6.9 17.5.6 14.4.8 1.3.2 1.4.2 9.5.10 9.6.5 11.6.10 17.3.1 11.6.1 8.5.5 15.2.2 20.5.1 13.3.4 2.1.6 13.1.5 8.1.7 18.4.4 2.2.2 16.5.2 6.1.2 5.1.9 8.6.5 4.2.9 6.4.8 4.4.4 15.2.1 8.4.9 5.6.9 1.4.10 12.6.9 17.5.8 15.6.3 4.1.4 5.4.8 16.3.7 18.2.4 16.4.4 2.2.6 7.3.5 7.5.5 14.5.3 16.5.10 15.5.1 10.4.1 3.3.1 15.5.4 8.4.8 14.6.6 7.1.1 16.1.6 9.4.6 1.1.5 18.2.1 17.3.3 3.6.9 1.5.7 3.1.3 4.5.8 19.1.8 5.4.2 4.1.10 18.1.5 10.4.1 10.5.10 15.3.6 19.6.1 4.2.9 9.6.1 7.4.9 13.4.8 13.1.1 6.4.2 18.1.6", "ciphertext": "14.5.6 16.2.6 11.5.8 16.1.7 6.2.9 15.5.9 5.5.10 19.1.6 14.4.4 9.6.9 17.5.6 14.4.8 1.3.2 1.4.2 9.5.10 9.6.5 11.6.10 17.3.1 11.6.1 8.5.5 15.2.2 20.5.1 13.3.4 2.1.6 13.1.5 8.1.7 18.4.4 2.2.2 16.5.2 6.1.2 5.1.9 8.6.5 4.2.9 6.4.8 4.4.4 15.2.1 8.4.9 5.6.9 1.4.10 12.6.9 17.5.8 15.6.3 4.1.4 5.4.8 16.3.7 18.2.4 16.4.4 2.2.6 7.3.5 7.5.5 14.5.3 16.5.10 15.5.1 10.4.1 3.3.1 15.5.4 8.4.8 14.6.6 7.1.1 16.1.6 9.4.6 1.1.5 18.2.1 17.3.3 3.6.9 1.5.7 3.1.3 4.5.8 19.1.8 5.4.2 4.1.10 18.1.5 10.4.1 10.5.10 15.3.6 19.6.1 4.2.9 9.6.1 7.4.9 13.4.8 13.1.1 6.4.2 18.1.6", "plaintext": "DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE INDEX OF COINCIDENCE IS A USEFUL CLUE", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 83, "length": 83, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "monoalphabetic-v3-0652", "text": "TLKQ CBOI QBGG YLR PII QAI WABQIP", "ciphertext": "TLKQ CBOI QBGG YLR PII QAI WABQIP", "plaintext": "DONT FIRE TILL YOU SEE THE WHITES", "label": "monoalphabetic", "cipher": "monoalphabetic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "beginner", "language": "en", "text_length": 27, "length": 33, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "rail-fence-v2-0021", "text": "KNOFWLTEHSY", "ciphertext": "KNOFWLTEHSY", "plaintext": "KNOW THYSELF", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "integer", "value": 7}, "difficulty": "intermediate", "language": "en", "text_length": 11, "length": 11, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-010", "text": "LFWJCDHCUVTOVFRHBUMUU", "ciphertext": "LFWJCDHCUVTOVFRHBUMUU", "plaintext": "THE PACKAGE IS DELIVERED", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 3}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "tap-code-v2-0062", "text": "... ....   . ..   .... ...   . .....   .... ..   ..... .   . .   .... ....   .. ....   ... ....   ... ...   . .....   ..... ...   ... .....   . .....   .... ..   .. ....   ... ..   . .....   ... ...   .... ....   . .   ... ...   . ....   .... ..   . .....   . .   .... ...   ... ....   ... ...   . .   .... ..   . .....   .... ....   .. ...   . .....   .... ....   .. ...   .... ..   . .....   . .....   ... .....   .. ....   ... .   ... .   . .   .... ..   .... ...   ... ....   .. .   . .   ... .   ... .   .... ...   . ...   .. ....   . .....   ... ...   .... ....   .. ....   .. .   .. ....   . ...   .. ....   ... ...   .... .   .... .....   .. ....   .... ..   ..... ....   . .   ... ...   . ....   ... .....   .... ..   ... ....   .. ..   .... ..   . .....   .... ...   .... ...", "ciphertext": "... ....   . ..   .... ...   . .....   .... ..   ..... .   . .   .... ....   .. ....   ... ....   ... ...   . .....   ..... ...   ... .....   . .....   .... ..   .. ....   ... ..   . .....   ... ...   .... ....   . .   ... ...   . ....   .... ..   . .....   . .   .... ...   ... ....   ... ...   . .   .... ..   . .....   .... ....   .. ...   . .....   .... ....   .. ...   .... ..   . .....   . .....   ... .....   .. ....   ... .   ... .   . .   .... ..   .... ...   ... ....   .. .   . .   ... .   ... .   .... ...   . ...   .. ....   . .....   ... ...   .... ....   .. ....   .. .   .. ....   . ...   .. ....   ... ...   .... .   .... .....   .. ....   .... ..   ..... ....   . .   ... ...   . ....   ... .....   .... ..   ... ....   .. ..   .... ..   . .....   .... ...   .... ...", "plaintext": "OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS", "label": "tap_code", "cipher": "tap_code", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 464, "length": 785, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0022096", "text": "ZOZM GFIRMT YILPV VMRTNZ DRGS XIRYH ZMW GSV YLNYV NZXSRMV Z HGILMT XOZRN MVVWH HGILMT VERWVMXV", "ciphertext": "ZOZM GFIRMT YILPV VMRTNZ DRGS XIRYH ZMW GSV YLNYV NZXSRMV Z HGILMT XOZRN MVVWH HGILMT VERWVMXV", "plaintext": "ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE A STRONG CLAIM NEEDS STRONG EVIDENCE", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 79, "length": 79, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "wheatstone-v2-0178", "text": "CAKARLICRLKTELSTLHAKVFNHSOURCTEACRALTRFVARFSKMWMPAKBRMJFTSSMURNATMTEASAL", "ciphertext": "CAKARLICRLKTELSTLHAKVFNHSOURCTEACRALTRFVARFSKMWMPAKBRMJFTSSMURNATMTEASAL", "plaintext": "GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "advanced", "language": "en", "text_length": 72, "length": 72, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "adfgx-240", "text": "ADGDGXDDAXDXDADAAAGAFDAGXDGXDDGDFAAG", "ciphertext": "ADGDGXDDAXDXDADAAAGAFDAGXDGXDDGDFAAG", "plaintext": "SEND REINFORCEMENTS", "label": "adfgx", "cipher": "adfgx", "cipher_family": "fractionation", "key": {"polybius": "KEYWORD", "columnar": "TRAFIC"}, "difficulty": "advanced", "language": "en", "text_length": 36, "length": 36, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0006", "text": "OPUEDOLPSSDPUCFL", "ciphertext": "OPUEDOLPSSDPUCFL", "plaintext": "THE PASS IS HELD", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "alberti-disk-v2-0449", "text": "JYDFYCJSTICXZJDPAJDLEUSWIYILPXLTAFPDXQDLKWKANVASSSATBUUEDIXUYRR", "ciphertext": "JYDFYCJSTICXZJDPAJDLEUSWIYILPXLTAFPDXQDLKWKANVASSSATBUUEDIXUYRR", "plaintext": "IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS", "label": "alberti_disk", "cipher": "alberti_disk", "cipher_family": "disk", "key": {"type": "integer", "value": 10}, "difficulty": "expert", "language": "en", "text_length": 63, "length": 63, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "solitaire-069", "text": "KOVHCQIAJUTAJDYWBJXTA", "ciphertext": "KOVHCQIAJUTAJDYWBJXTA", "plaintext": "SUPPLY LINE COMPROMISED", "label": "solitaire", "cipher": "solitaire", "cipher_family": "stream", "key": {"type": "passphrase", "value": "CRYPTONOMICON"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "fractionated-morse-v2-0554", "text": "HWNLDVPWEJXHWNLDVPWEJXIEMGMAAGSJPECFEJPELEXJWMGTWMLMJQXSJPSCTEDPENIWALKVAEAGJAXSTEDWWMGTWML", "ciphertext": "HWNLDVPWEJXHWNLDVPWEJXIEMGMAAGSJPECFEJPELEXJWMGTWMLMJQXSJPSCTEDPENIWALKVAEAGJAXSTEDWWMGTWML", "plaintext": "GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW", "label": "fractionated_morse", "cipher": "fractionated_morse", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 91, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geez-monastic-v3-0219", "text": "WBMGWQJWDQWUJWNPMYW", "ciphertext": "WBMGWQJWDQWUJWNPMYW", "plaintext": "AVE MARIA GRATIA PLENA", "label": "geez_monastic", "cipher": "geez_monastic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LALIBELA"}, "difficulty": "advanced", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0015993", "text": "HILLX IPHER USESL INEAR ALGEB RATOE NCRYP TBLOC KSOFX ETTER SATBX SHENX ODESB YREVE RSINZ THEAL PHABE TZCEZ", "ciphertext": "HILLX IPHER USESL INEAR ALGEB RATOE NCRYP TBLOC KSOFX ETTER SATBX SHENX ODESB YREVE RSINZ THEAL PHABE TZCEZ", "plaintext": "HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS ATBASH ENCODES BY REVERSING THE ALPHABET", "label": "commercial_code", "cipher": "commercial_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 90, "length": 90, "attack_methods": ["codebook_frequency", "five_letter_group_analysis"], "educational_note": "Commercial code: five-letter groups from a codebook, often ending in X or Z.", "source": "synthetic_educational"}
{"id": "m209-v2-0414", "text": "RVCWKLGRMBADKW", "ciphertext": "RVCWKLGRMBADKW", "plaintext": "LIBERTY OR DEATH", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "VICTORY"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011225", "text": "GUUZQ XATFI UCTLT CPKGY UIKVV FJVCL KZUZK JWAJW PWRLO AQCTJ FBQWN ZBTNW YPOLG XGUEM PBXLS QHQEH UQQVV OFLGB GJUQX MUAVL KMUWB BVMTU TJGNQ YFUCS KUHKN IKTTK QTWTO ITBTH OARWU PUQQV TLBLU KQSVU PAKUL MAWTK FZ", "ciphertext": "GUUZQ XATFI UCTLT CPKGY UIKVV FJVCL KZUZK JWAJW PWRLO AQCTJ FBQWN ZBTNW YPOLG XGUEM PBXLS QHQEH UQQVV OFLGB GJUQX MUAVL KMUWB BVMTU TJGNQ YFUCS KUHKN IKTTK QTWTO ITBTH OARWU PUQQV TLBLU KQSVU PAKUL MAWTK FZ", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "gronsfeld", "cipher": "gronsfeld", "key": {"key": "271828"}, "difficulty": "hard", "language": "en", "text_length": 172, "length": 172, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "one-time-pad-v2-0178", "text": "QHPLGGNADGOUHJJAXNPRFIIBGQTNECEWJWWCTKDSJHFKTSCWMUUQHKVUXPMNFDMZLLNJXWXZKFIPJ", "ciphertext": "QHPLGGNADGOUHJJAXNPRFIIBGQTNECEWJWWCTKDSJHFKTSCWMUUQHKVUXPMNFDMZLLNJXWXZKFIPJ", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "one_time_pad", "cipher": "one_time_pad", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0011518", "text": "KRZQU QNCOM ECKBY HPAGA CCXNO MRQYL ONXDN OYAPS TBKMJ DJDYL UGEPO ALDNJ KAGUE BBAND DBYCU TJTKL EIRLZ ALMEN OMYUA CLZLQ BKORA WRRST ECJMQ EPDNJ OERYN EICUF KABMA UAANK RJT", "ciphertext": "KRZQU QNCOM ECKBY HPAGA CCXNO MRQYL ONXDN OYAPS TBKMJ DJDYL UGEPO ALDNJ KAGUE BBAND DBYCU TJTKL EIRLZ ALMEN OMYUA CLZLQ BKORA WRRST ECJMQ EPDNJ OERYN EICUF KABMA UAANK RJT", "plaintext": "INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CAREFULLY", "label": "beaufort", "cipher": "beaufort", "key": {"key": "SECURE"}, "difficulty": "hard", "language": "en", "text_length": 143, "length": 143, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "morse-code-v3-0029", "text": "- .... . / .-. . -.. -.-. --- .- - ... / .- .-. . / -.-. --- -- .. -. --.", "ciphertext": "- .... . / .-. . -.. -.-. --- .- - ... / .- .-. . / -.-. --- -- .. -. --.", "plaintext": "THE REDCOATS ARE COMING", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 51, "length": 73, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-1213", "text": "JTZROKUGKJHWDSBGLOJOFUPECPDNGXFSPPLISOTMTNZKOAADPZHLXYZCGONJEYXUCJTAKMYMYCEENIE", "ciphertext": "JTZROKUGKJHWDSBGLOJOFUPECPDNGXFSPPLISOTMTNZKOAADPZHLXYZCGONJEYXUCJTAKMYMYCEENIE", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "kama-sutra-v3-0142", "text": "DLXUSYL WTHOL OSW CQOL", "ciphertext": "DLXUSYL WTHOL OSW CQOL", "plaintext": "MEASURE TWICE CUT ONCE", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "VATSYANA"}, "difficulty": "intermediate", "language": "en", "text_length": 19, "length": 22, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "wheatstone-v3-0041", "text": "QHRQRDRPNTKHQNTIOFYQO", "ciphertext": "QHRQRDRPNTKHQNTIOFYQO", "plaintext": "THE TELEGRAPH TRANSMITS", "label": "wheatstone", "cipher": "wheatstone", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "TELEGRAPHY"}, "difficulty": "advanced", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-018", "text": "LYMVPZRGYPMIHUFE", "ciphertext": "LYMVPZRGYPMIHUFE", "plaintext": "BURN AFTER READING", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "purple-034", "text": "FKMRYSKORSCSBLVBNMKVXSBUPQXLHDZYYJQEAXL", "ciphertext": "FKMRYSKORSCSBLVBNMKVXSBUPQXLHDZYYJQEAXL", "plaintext": "IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES", "label": "purple", "cipher": "purple", "cipher_family": "machine", "key": {"type": "seed", "value": "PURPLE"}, "difficulty": "expert", "language": "en", "text_length": 39, "length": 39, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "hill-v2-0525", "text": "THMIWVGIZLUV", "ciphertext": "THMIWVGIZLUV", "plaintext": "KNOW THYSELF", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 11, "b": 3, "c": 2, "d": 5}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "affine-v2-1303", "text": "RXKFSBY SM BDK MEQL EZ USB CPV BKVSEQMPKMM BDK EQBUCXV ZLEQXSMDKM", "ciphertext": "RXKFSBY SM BDK MEQL EZ USB CPV BKVSEQMPKMM BDK EQBUCXV ZLEQXSMDKM", "plaintext": "BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 15, "b": 2}, "difficulty": "beginner", "language": "en", "text_length": 55, "length": 65, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0014801", "text": ".... ....  .. ...  . .....  ... ....  ... ...  . .....  .... ....  .. ....  ... ..  . .....  ... .....  . .  . ....  .. ....  .... ...  .... ....  .. ...  . .....  ... ....  .... ..  . .....  .... ....  .. ....  . ...  . .  ... .  ... .  ..... ....  .... .....  ... ...  . ..  .... ..  . .....  . .  . ...  . .  . ..  ... .  . .....  .. ....  .. .  .... .....  .... ...  . .....  . ....  . ...  ... ....  .... ..  .... ..  . .....  . ...  .... ....  ... .  ..... ....  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .. ....  .... ...  . .  .... .....  .... ...  . .....  .. .  .... .....  ... .  . ...  ... .  .... .....  . .....  ... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... .....  .... ...  . .....  ... ..  .... .....  ... .  .... ....  .. ....  ... .....  ... .  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  .. ...  .. ....  .. .  .... ....  .... ...", "ciphertext": ".... ....  .. ...  . .....  ... ....  ... ...  . .....  .... ....  .. ....  ... ..  . .....  ... .....  . .  . ....  .. ....  .... ...  .... ....  .. ...  . .....  ... ....  .... ..  . .....  .... ....  .. ....  . ...  . .  ... .  ... .  ..... ....  .... .....  ... ...  . ..  .... ..  . .....  . .  . ...  . .  . ..  ... .  . .....  .. ....  .. .  .... .....  .... ...  . .....  . ....  . ...  ... ....  .... ..  .... ..  . .....  . ...  .... ....  ... .  ..... ....  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .. ....  .... ...  . .  .... .....  .... ...  . .....  .. .  .... .....  ... .  . ...  ... .  .... .....  . .....  ... .....  ... ....  ... .  ..... ....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .. ....  . ...  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  .... .....  .... ...  . .....  ... ..  .... .....  ... .  .... ....  .. ....  ... .....  ... .  . .....  . .  ... .  ... .....  .. ...  . .  . ..  . .....  .... ....  .... ...  .. ...  .. ....  .. .  .... ....  .... ...", "plaintext": "THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE INDEX OF COINCIDENCE IS A USEFUL CLUE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 134, "length": 134, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0012338", "text": "HNVLT PQKZZ LIXIQ UXARV RWRWG WHZJS JTOKO JAHOZ QBDEQ ZBPMS DCRFM KQTDZ UKXHY QMOVU AVABL PMCRL WRWEL BENWY IMWWG KKQHF HMRZM ULPME VCVZY BPLVE QAHLC PHKRO LWLQP NVXVG YPWBT AUVG", "ciphertext": "HNVLT PQKZZ LIXIQ UXARV RWRWG WHZJS JTOKO JAHOZ QBDEQ ZBPMS DCRFM KQTDZ UKXHY QMOVU AVABL PMCRL WRWEL BENWY IMWWG KKQHF HMRZM ULPME VCVZY BPLVE QAHLC PHKRO LWLQP NVXVG YPWBT AUVG", "plaintext": "THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 149, "length": 149, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "vic-v2-0260", "text": "85338968892489889481348146", "ciphertext": "85338968892489889481348146", "plaintext": "KEEP YOUR POWDER DRY", "label": "vic", "cipher": "vic", "cipher_family": "substitution", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 26, "length": 26, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "typex-194", "text": "QZPHRRCYFLRPWAUH", "ciphertext": "QZPHRRCYFLRPWAUH", "plaintext": "ALL IS LOST RETREAT", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "SECRET"}, "difficulty": "expert", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0022162", "text": "WRUURV ZMW SVOONZM RMGILWFXVW KFYORX PVB XIBKGLTIZKSB RM MRMVGVVM HVEVMGB HRC GLWZB", "ciphertext": "WRUURV ZMW SVOONZM RMGILWFXVW KFYORX PVB XIBKGLTIZKSB RM MRMVGVVM HVEVMGB HRC GLWZB", "plaintext": "DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX TODAY", "label": "atbash", "cipher": "atbash", "key": {}, "difficulty": "medium", "language": "en", "text_length": 72, "length": 72, "attack_methods": ["self_inverse_check", "frequency_analysis"], "educational_note": "Atbash maps A↔Z, B↔Y, … and is its own inverse.", "source": "synthetic_educational"}
{"id": "confederate-vigenere-v2-0358", "text": "JMKMVDTLZHHZPVYPJBZSQMXTPFWJUYQQZIXLWKAWKIITFHMKKVBXQMHXAFVKWPBITSZLDIGKFXLHZAQWN", "ciphertext": "JMKMVDTLZHHZPVYPJBZSQMXTPFWJUYQQZIXLWKAWKIITFHMKKVBXQMHXAFVKWPBITSZLDIGKFXLHZAQWN", "plaintext": "GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "DIXIE"}, "difficulty": "intermediate", "language": "en", "text_length": 81, "length": 81, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016110", "text": ". .  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  ... ...  . .....  . .....  . ....  .... ...  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  .. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  .... ....  .. ...  . .....  .. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  .... ....  . .....  .... ...  .... ....  .... .....  .... ...  . .....  .... ...  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .... ....  ... ....  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...", "ciphertext": ". .  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . ...  ... .  . .  .. ....  ... ..  ... ...  . .....  . .....  . ....  .... ...  .... ...  .... ....  .... ..  ... ....  ... ...  .. ..  . .....  ..... .  .. ....  . ....  . .....  ... ...  . ...  . .....  .. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  .... ....  .. ...  . .....  .. .  .... ..  .. ....  . .....  . ....  ... ..  . .  ... ...  .... ....  . .....  .... ...  .... ....  .... .....  .... ...  . .....  .... ...  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .... ....  ... ....  . .....  .... ...  .... ....  .. ....  ... ..  . .  .... ....  . .....  . ...  . .....  ..... ....  ... .  . .....  ... ...  .. ..  .... ....  .. ...", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 131, "length": 131, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "kryptos-v2-0013", "text": "FMHFCELWFOSPL", "ciphertext": "FMHFCELWFOSPL", "plaintext": "STAY THE COURSE", "label": "kryptos", "cipher": "kryptos", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "SHADOW"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-v2-0665", "text": "RTHVGAOMPLOY", "ciphertext": "RTHVGAOMPLOY", "plaintext": "IN GOD WE TRUST", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 67}, "difficulty": "advanced", "language": "en", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021770", "text": "44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54", "ciphertext": "44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY", "label": "polybius", "cipher": "polybius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 53, "length": 53, "attack_methods": ["pair_decode", "frequency_analysis"], "educational_note": "Polybius square: 5×5 grid maps letters to two-digit row-column pairs.", "source": "synthetic_educational"}
{"id": "cda-0014303", "text": ".. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .. ....  .... ...  . .  .... .....  .... ...  . .....  .. .  .... .....  ... .  . ...  ... .  .... .....  . .....  . ..  .... ..  .... .....  .... ....  . .....  .. .  ... ....  .... ..  . ...  . .....  ..... ..  ... ....  .... ..  . ...  .... ...  ... ....  ... ...  ... .  ..... ....  ..... ..  .. ...  . .....  ... ...  .... ....  .. ...  . .....  . ...  . .....  ..... ....  .... ...  ... .....  . .  . ...  . .....  .. ....  .... ...  .... ...  ... ..  . .  ... .  ... .", "ciphertext": ".. ...  .. ....  .... ...  .... ....  ... ....  .... ..  .. ....  . ...  . .  ... .  . ...  .. ....  ... .....  .. ...  . .....  .... ..  .... ...  . .  .... ..  . .....  .... ....  . .....  . .  . ...  .. ...  . .....  .... ..  .... ...  ... ...  ... ....  .... ....  ... .....  .... ..  ... ....  .... ....  . .....  . ...  .... ....  .. ....  ... ....  ... ...  .... ....  .. ...  . .....  .. ....  ... ...  . ....  . .....  ..... ...  ... ....  .. .  . ...  ... ....  .. ....  ... ...  . ...  .. ....  . ....  . .....  ... ...  . ...  . .....  .. ....  .... ...  . .  .... .....  .... ...  . .....  .. .  .... .....  ... .  . ...  ... .  .... .....  . .....  . ..  .... ..  .... .....  .... ....  . .....  .. .  ... ....  .... ..  . ...  . .....  ..... ..  ... ....  .... ..  . ...  .... ...  ... ....  ... ...  ... .  ..... ....  ..... ..  .. ...  . .....  ... ...  .... ....  .. ...  . .....  . ...  . .....  ..... ....  .... ...  ... .....  . .  . ...  . .....  .. ....  .... ...  .... ...  ... ..  . .  ... .  ... .", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE INDEX OF COINCIDENCE IS A USEFUL CLUE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL", "label": "tap_code", "cipher": "tap_code", "key": {}, "difficulty": "hard", "language": "en", "text_length": 116, "length": 116, "attack_methods": ["dot_count_decode", "grid_position_search"], "educational_note": "Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.", "source": "synthetic_educational"}
{"id": "cda-0007125", "text": "AARAFSTUOSEMSNLAAAMSCYOSSSIPSNIOODIBOLOLATLREFUBCSORIUDLYTELTGTOMECPIWOUARNNRAATRSRNARSXNTCOEECNEIXCTANDNOSANXLENGIOLPDKX", "ciphertext": "AARAFSTUOSEMSNLAAAMSCYOSSSIPSNIOODIBOLOLATLREFUBCSORIUDLYTELTGTOMECPIWOUARNNRAATRSRNARSXNTCOEECNEIXCTANDNOSANXLENGIOLPDKX", "plaintext": "A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG FAIL CLOSED IS A POSTURE NOT A SLOGAN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "scytale", "cipher": "scytale", "key": {"cols": 11}, "difficulty": "hard", "language": "en", "text_length": 121, "length": 121, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "rail-fence-it-013", "text": "ISGEOLNMDTTEERNIMRSLERTEAIAIUTLGADIPEE", "ciphertext": "ISGEOLNMDTTEERNIMRSLERTEAIAIUTLGADIPEE", "plaintext": "IL SEGRETO E L ANIMA DI TUTTE LE GRANDI IMPRESE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 2}, "difficulty": "intermediate", "language": "it", "text_length": 38, "length": 38, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "affine-v2-1197", "text": "MHO XHQ ZH AHGBQ KIB RHOAQ KIJK IB XJGB ITZ HWAN ZHW KIJK RIHBGBO UBATBGBZ ZIJAA WHK SBOTZI", "ciphertext": "MHO XHQ ZH AHGBQ KIB RHOAQ KIJK IB XJGB ITZ HWAN ZHW KIJK RIHBGBO UBATBGBZ ZIJAA WHK SBOTZI", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "affine", "cipher": "affine", "cipher_family": "substitution", "key": {"a": 11, "b": 9}, "difficulty": "beginner", "language": "en", "text_length": 74, "length": 91, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v2-0030", "text": "WJUGSRMBIANDFUSVQKW", "ciphertext": "WJUGSRMBIANDFUSVQKW", "plaintext": "WISDOM GUARDS THE GATE", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "ABCDEFGH (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 19, "length": 19, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "hill-110", "text": "AJMIELFLOSXMSEABDTHZIWJYELNNSGVGAJOEFMRODTAMFABMPRVIFDMT", "ciphertext": "AJMIELFLOSXMSEABDTHZIWJYELNNSGVGAJOEFMRODTAMFABMPRVIFDMT", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "hill", "cipher": "hill", "cipher_family": "polygraphic", "key": {"a": 3, "b": 3, "c": 2, "d": 7}, "difficulty": "advanced", "language": "en", "text_length": 56, "length": 56, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "kama-sutra-v3-0395", "text": "MJN AYKJM UL MJN CNUCFN MU GNNC REV QNRA RATX XJRFF EUM QN YELAYEKNV QI MJN LNVNARF KUDNAETNEM", "ciphertext": "MJN AYKJM UL MJN CNUCFN MU GNNC REV QNRA RATX XJRFF EUM QN YELAYEKNV QI MJN LNVNARF KUDNAETNEM", "plaintext": "THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT", "label": "kama_sutra", "cipher": "kama_sutra", "cipher_family": "substitution", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 77, "length": 94, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020297", "text": "⌐ X r ⌒· K ⌐ └ L Γ· X ⌐ ┌· ┘· Γ X· X L Γ ¬ ⌒· X ┐· ⌐ ┌· K ⌐ ─ X K ┘· L ─ r ┌· ⌒· ┐· K ┌ L X X ⌐ ¬· L X K r· L ¬ Γ· ⌐· Γ· Γ r Γ· ┐· r· L ┌· r ┘· ┌ ¬ Γ· ─ L X ⌐ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L ⌒ Γ· K r· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌·", "ciphertext": "⌐ X r ⌒· K ⌐ └ L Γ· X ⌐ ┌· ┘· Γ X· X L Γ ¬ ⌒· X ┐· ⌐ ┌· K ⌐ ─ X K ┘· L ─ r ┌· ⌒· ┐· K ┌ L X X ⌐ ¬· L X K r· L ¬ Γ· ⌐· Γ· Γ r Γ· ┐· r· L ┌· r ┘· ┌ ¬ Γ· ─ L X ⌐ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L ⌒ Γ· K r· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌·", "plaintext": "A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "pigpen", "cipher": "pigpen", "key": {}, "difficulty": "medium", "language": "en", "text_length": 64, "length": 64, "attack_methods": ["symbol_frequency", "grid_position_decode"], "educational_note": "Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.", "source": "synthetic_educational"}
{"id": "diana-v2-0486", "text": "PAIXFTNDGXLDXYUFOQEPCDPUCKTHDPDZDCYAXFWYMTDRPRNBGDVIXNCQFBIEZNKICTJNBETPNMNPFEEKWLMFAEIKZBFUAGADGFXDTRJBRSBXIDCOPEBNNLLSUAWEQEWPUAETFDUOMVFEYFJ", "ciphertext": "PAIXFTNDGXLDXYUFOQEPCDPUCKTHDPDZDCYAXFWYMTDRPRNBGDVIXNCQFBIEZNKICTJNBETPNMNPFEEKWLMFAEIKZBFUAGADGFXDTRJBRSBXIDCOPEBNNLLSUAWEQEWPUAETFDUOMVFEYFJ", "plaintext": "WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS", "label": "diana", "cipher": "diana", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 143, "length": 143, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012245", "text": "SISUB IEBNN RYQRR FBWPE KBUMC KWQXE BDPRT ZAORW CCNDN NEILD JXQZP AMEWW LXOFB HGUPT MMQYD VERSB XXMEN APCZK WYJJE", "ciphertext": "SISUB IEBNN RYQRR FBWPE KBUMC KWQXE BDPRT ZAORW CCNDN NEILD JXQZP AMEWW LXOFB HGUPT MMQYD VERSB XXMEN APCZK WYJJE", "plaintext": "A STRONG CLAIM NEEDS STRONG EVIDENCE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION CERTAINLY", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "hard", "language": "en", "text_length": 95, "length": 95, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "enigma-v2-1173", "text": "FCBWFCLWKBZYXJKZLGBWQUKG", "ciphertext": "FCBWFCLWKBZYXJKZLGBWQUKG", "plaintext": "TORPEDO AWAY ALL HANDS BRACE", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "ZZA"}, "difficulty": "expert", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0021432", "text": "DARA LOKE EDYS HORO RORD ARAL QOKA LOTO LOKA LCHO LCTA IINS HALY PCHO LSHA LCHE DALO KALO KEED YCHE DALS HAII NKAI IINC HOLD AIIN DAII NYTA IINY TEDY RAII NOTA INCH OLRA IINL KAII NDAL YKCH EOLQ OKED YYKC HEOL RCHE OLCH EDAL OKSH YCHE DYQO KEDY RAII NCHE DYDA INYO KAIN YPCH OLCH EOLR CHEO LDAR ALRC HEOL YKCH EOLY KCHE OLSH AIIN RAII NAII INOK EEDY CHED AL", "ciphertext": "DARA LOKE EDYS HORO RORD ARAL QOKA LOTO LOKA LCHO LCTA IINS HALY PCHO LSHA LCHE DALO KALO KEED YCHE DALS HAII NKAI IINC HOLD AIIN DAII NYTA IINY TEDY RAII NOTA INCH OLRA IINL KAII NDAL YKCH EOLQ OKED YYKC HEOL RCHE OLCH EDAL OKSH YCHE DYQO KEDY RAII NCHE DYDA INYO KAIN YPCH OLCH EOLR CHEO LDAR ALRC HEOL YKCH EOLY KCHE OLSH AIIN RAII NAII INOK EEDY CHED AL", "plaintext": "THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION", "label": "voynich_render", "cipher": "voynich_render", "key": {}, "difficulty": "hard", "language": "en", "text_length": 286, "length": 286, "attack_methods": ["statistical_analysis", "unsolved"], "educational_note": "Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.", "source": "synthetic_educational"}
{"id": "playfair-v3-0282", "text": "ISKRBHNONYLWBIYLOPQLTCCV", "ciphertext": "ISKRBHNONYLWBIYLOPQLTCCV", "plaintext": "ROME WAS NOT BUILT IN ONE DAY", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "intermediate", "language": "en", "text_length": 24, "length": 24, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "atbash-v2-0007", "text": "HRTMZO URIVH ORG", "ciphertext": "HRTMZO URIVH ORG", "plaintext": "SIGNAL FIRES LIT", "label": "atbash", "cipher": "atbash", "cipher_family": "substitution", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 14, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0003824", "text": "CSASXTMYIYRJ DRKPHUK IUOEBLBE BPG GFXLNDV ETVBZYEY", "ciphertext": "CSASXTMYIYRJ DRKPHUK IUOEBLBE BPG GFXLNDV ETVBZYEY", "plaintext": "CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING", "label": "trithemius", "cipher": "trithemius", "key": {}, "difficulty": "medium", "language": "en", "text_length": 45, "length": 45, "attack_methods": ["progressive_shift_detection", "frequency_analysis"], "educational_note": "Trithemius: progressive Caesar (shift = letter position); no key needed.", "source": "synthetic_educational"}
{"id": "lorenz-v3-0358", "text": "WPATDOESITPROFITAMANTOGAINTHEWXOLEWORLDANDYETLOSEHISOWFIMMORTALSOULFOREVER", "ciphertext": "WPATDOESITPROFITAMANTOGAINTHEWXOLEWORLDANDYETLOSEHISOWFIMMORTALSOULFOREVER", "plaintext": "WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "BLETCHLEY"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "autokey-v2-0221", "text": "YVVVZTZWKKMUSLHWZQDWXPEVJLGIBGFDURTWHNBLUXZLBARPOEZLAAEGRAZUZIGGGTRPKOKICMHHPGEMSM", "ciphertext": "YVVVZTZWKKMUSLHWZQDWXPEVJLGIBGFDURTWHNBLUXZLBARPOEZLAAEGRAZUZIGGGTRPKOKICMHHPGEMSM", "plaintext": "THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST", "label": "autokey", "cipher": "autokey", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "geheimschreiber-v2-0201", "text": "UJPGEDWQRERAPYFMHTOVYISOACMNBKBIOABXPPNCZFACXVKOBSGBXIDXVHOHNQYYUVXFEMTOXKSLV", "ciphertext": "UJPGEDWQRERAPYFMHTOVYISOACMNBKBIOABXPPNCZFACXVKOBSGBXIDXVHOHNQYYUVXFEMTOXKSLV", "plaintext": "THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY", "label": "geheimschreiber", "cipher": "geheimschreiber", "cipher_family": "machine", "key": {"type": "seed", "value": "KAISER"}, "difficulty": "expert", "language": "en", "text_length": 77, "length": 77, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0020916", "text": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 15 2 19 5 18 22 1 2 12 5 5 22 9 4 5 14 3 5 3 15 13 5 19 2 5 6 15 18 5 3 15 14 6 9 4 5 14 3 5 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25", "ciphertext": "20 18 1 14 19 16 15 19 9 20 9 15 14 3 9 16 8 5 18 19 18 5 1 18 18 1 14 7 5 12 5 20 20 5 18 19 23 9 20 8 15 21 20 19 21 2 19 20 9 20 21 20 9 15 14 15 2 19 5 18 22 1 2 12 5 5 22 9 4 5 14 3 5 3 15 13 5 19 2 5 6 15 18 5 3 15 14 6 9 4 5 14 3 5 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "aeneas_tacticus", "cipher": "aeneas_tacticus", "key": {}, "difficulty": "hard", "language": "en", "text_length": 148, "length": 148, "attack_methods": ["sequential_number_decode", "frequency_analysis"], "educational_note": "Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.", "source": "synthetic_educational"}
{"id": "cda-0019221", "text": "TPWZ PSXE EQEI QUOG HQTC UMAO QEDX XNTH GPIE CMFA KUNZ YKIR OGPR NQK", "ciphertext": "TPWZ PSXE EQEI QUOG HQTC UMAO QEDX XNTH GPIE CMFA KUNZ YKIR OGPR NQK", "plaintext": "THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "one_time_pad", "cipher": "one_time_pad", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["information_theoretic_proof", "key_reuse_attack"], "educational_note": "One-time pad: theoretically unbreakable if key is truly random and never reused.", "source": "synthetic_educational"}
{"id": "kryha-v3-0022", "text": "JHMNBFZSIUBJPCHCWM", "ciphertext": "JHMNBFZSIUBJPCHCWM", "plaintext": "DEAD MEN TELL NO TALES", "label": "kryha", "cipher": "kryha", "cipher_family": "machine", "key": {"type": "keyword", "value": "MUNICH"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-197", "text": "SYBCSVWLSTNQPFA", "ciphertext": "SYBCSVWLSTNQPFA", "plaintext": "MEET AT THE OLD OAK", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 15, "length": 15, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "copiale-v3-0219", "text": "D3 U0 V3 G0 E6 V7 A4 F9 J6 J3 E6 K8 J2 D3 P5 A2 V3 G4 F7", "ciphertext": "D3 U0 V3 G0 E6 V7 A4 F9 J6 J3 E6 K8 J2 D3 P5 A2 V3 G4 F7", "plaintext": "AVE MARIA GRATIA PLENA", "label": "copiale", "cipher": "copiale", "cipher_family": "substitution", "key": {"type": "keyword", "value": "MYSTERY"}, "difficulty": "advanced", "language": "en", "text_length": 38, "length": 56, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-fr-023", "text": "JUVOCNMOHDMYYLNDMZUDLPLJPQHBRJXAPUL", "ciphertext": "JUVOCNMOHDMYYLNDMZUDLPLJPQHBRJXAPUL", "plaintext": "TOUT CE QUI EST EXCESSIF EST INSIGNIFIANT", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CIPHER"}, "difficulty": "intermediate", "language": "fr", "text_length": 35, "length": 35, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "chaocipher-v2-0592", "text": "WIOGAORFGSOOLOUGCAFGNNMIHMGIDZWOTEHTPMIJERJVGXHJWNBUMZCQSYDLDSCPNHQIAYADAQMHFJR", "ciphertext": "WIOGAORFGSOOLOUGCAFGNNMIHMGIDZWOTEHTPMIJERJVGXHJWNBUMZCQSYDLDSCPNHQIAYADAQMHFJR", "plaintext": "CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "TRIUMPH"}, "difficulty": "advanced", "language": "en", "text_length": 79, "length": 79, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "noisy-playfair-ocr_light-008", "text": "VFW6UGWUKLLCGQBLGDSDKMYDNZDKMZGYMAWCBCLFFXKVPHUZXKKCDPCESFOALYNOSGKUUKCMBDWUWNVDIZ", "ciphertext": "VFW6UGWUKLLCGQBLGDSDKMYDNZDKMZGYMAWCBCLFFXKVPHUZXKKCDPCESFOALYNOSGKUUKCMBDWUWNVDIZ", "plaintext": "THE INDEX OF COINCIDENCE MEASURES THE PROBABILITY THAT TWO RANDOMLY CHOSEN LETTERS ARE EQUAL", "label": "playfair", "cipher": "playfair", "cipher_family": "substitution", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "intermediate", "language": "en", "text_length": 82, "length": 82, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "m209-v2-0023", "text": "TQNJXVTPJKWRULWWPL", "ciphertext": "TQNJXVTPJKWRULWWPL", "plaintext": "LOOSE LIPS SINK SHIPS", "label": "m209", "cipher": "m209", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-v2-0060", "text": "DOBNCKRYDDZBQZIHYKSIIAUXVYOFZGWEZLUECEYLMESIIMUWITAZMWMRCUEJZTLXZGWER", "ciphertext": "DOBNCKRYDDZBQZIHYKSIIAUXVYOFZGWEZLUECEYLMESIIMUWITAZMWMRCUEJZTLXZGWER", "plaintext": "BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "4,2,6,1,3,5"}, "difficulty": "expert", "language": "en", "text_length": 69, "length": 69, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "zimmermann-v2-0031", "text": "99999 90021 90004 90013 90008 99998 99999 90021 90008 90003 90008 99998 99999 90021 90008 90002 90008 99998", "ciphertext": "99999 90021 90004 90013 90008 99998 99999 90021 90008 90003 90008 99998 99999 90021 90008 90002 90008 99998", "plaintext": "VENI VIDI VICI", "label": "zimmermann", "cipher": "zimmermann", "cipher_family": "codebook", "key": {"type": "none", "value": null}, "difficulty": "expert", "language": "en", "text_length": 90, "length": 107, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0064", "text": "ECFFWAYZFDSUXMLLEYVFXMNEPFKABFBVLEARRLKBBPOKRGETTTNPYWGNUDAGHCCXANOEMNSFLGC", "ciphertext": "ECFFWAYZFDSUXMLLEYVFXMNEPFKABFBVLEARRLKBBPOKRGETTTNPYWGNUDAGHCCXANOEMNSFLGC", "plaintext": "TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MOSCOW"}, "difficulty": "expert", "language": "en", "text_length": 75, "length": 75, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "venona-pad-reuse-v2-0125", "text": "4HPGTAPTJINDLRFFJK3IZXKRHN6EPXLDKYCJ4ODNGECDKOPE2EGTWVLRFSQMJNFLWWLDLNMILNJLCXBRFFMRLROIXAIUGDTAMN7MDA6S2ENVLSPNRMCGZYJPPBAEQSBRISCJMN7LJWPNIRGIPIGEBQCB2OIACFFRRSBCPNRQ6IPS", "ciphertext": "4HPGTAPTJINDLRFFJK3IZXKRHN6EPXLDKYCJ4ODNGECDKOPE2EGTWVLRFSQMJNFLWWLDLNMILNJLCXBRFFMRLROIXAIUGDTAMN7MDA6S2ENVLSPNRMCGZYJPPBAEQSBRISCJMN7LJWPNIRGIPIGEBQCB2OIACFFRRSBCPNRQ6IPS", "plaintext": "THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES", "label": "venona_pad_reuse", "cipher": "venona_pad_reuse", "cipher_family": "stream", "key": {"type": "keyword", "value": "PALACE"}, "difficulty": "expert", "language": "en", "text_length": 172, "length": 172, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bazeries-003", "text": "BPYYAFYGFBGNIFYTT", "ciphertext": "BPYYAFYGFBGNIFYTT", "plaintext": "THE EAGLE HAS LANDED", "label": "bazeries", "cipher": "bazeries", "cipher_family": "transposition", "key": {"type": "integer", "value": 42}, "difficulty": "advanced", "language": "en", "text_length": 17, "length": 17, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "lorenz-v2-0088", "text": "CODEDTRANSMISSIONINDICATASENEMYFPRCESESSEMBLINGALONGTDEBORDERWITHHEAVYARTILKERYUNIXS", "ciphertext": "CODEDTRANSMISSIONINDICATASENEMYFPRCESESSEMBLINGALONGTDEBORDERWITHHEAVYARTILKERYUNIXS", "plaintext": "CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS", "label": "lorenz", "cipher": "lorenz", "cipher_family": "machine", "key": {"type": "seed", "value": "TUNNY"}, "difficulty": "expert", "language": "en", "text_length": 84, "length": 84, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "bifid-es-005", "text": "GHRCDMMMNHBEWSIUVXNKGCUEDNLCUNSY", "ciphertext": "GHRCDMMMNHBEWSIUVXNKGCUEDNLCUNSY", "plaintext": "LA LIBERTAD NO SE MENDIGA SE CONQUISTA", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "KEYWORD"}, "difficulty": "advanced", "language": "es", "text_length": 32, "length": 32, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "jn25-v3-0093", "text": "26102 26184 26187 26194 26191 26183 26199 26187 26184 26198 26184 26199 26197 26100 26199 26187 26198 26199 26194 26181 26184 26198 26184 26191 26185 26184 26101 26188 26183 26184 26193 26199 26199 26187 26180 26199 26180 26191 26191 26192 26184 26193 26180 26197 26184 26182 26197 26184 26180 26199 26184 26183 26184 26196 26100 26180 26191 26199 26187 26180 26199 26199 26187 26184 26104 26180 26197 26184 26184 26193 26183 26194 26102 26184 26183 26181 26104 26199 26187 26184 26188 26197 26182 26197 26184 26180 26199 26194 26197 26102 26188 26199 26187 26182 26184 26197 26199 26180 26188 26193 26100 26193 26180 26191 26188 26184 26193 26180 26181 26191 26184 26197 26188 26186 26187 26199 26198 26199 26187 26180 26199 26180 26192 26194 26193 26186 26199 26187 26184 26198 26184 26180 26197 26184 26191 26188 26185 26184 26191 26188 26181 26184 26197 26199 26104 26180 26193 26183 26199 26187 26184 26195 26100 26197 26198 26100 26188 26199 26194 26185 26187 26180 26195 26195 26188 26193 26184 26198 26198", "ciphertext": "26102 26184 26187 26194 26191 26183 26199 26187 26184 26198 26184 26199 26197 26100 26199 26187 26198 26199 26194 26181 26184 26198 26184 26191 26185 26184 26101 26188 26183 26184 26193 26199 26199 26187 26180 26199 26180 26191 26191 26192 26184 26193 26180 26197 26184 26182 26197 26184 26180 26199 26184 26183 26184 26196 26100 26180 26191 26199 26187 26180 26199 26199 26187 26184 26104 26180 26197 26184 26184 26193 26183 26194 26102 26184 26183 26181 26104 26199 26187 26184 26188 26197 26182 26197 26184 26180 26199 26194 26197 26102 26188 26199 26187 26182 26184 26197 26199 26180 26188 26193 26100 26193 26180 26191 26188 26184 26193 26180 26181 26191 26184 26197 26188 26186 26187 26199 26198 26199 26187 26180 26199 26180 26192 26194 26193 26186 26199 26187 26184 26198 26184 26180 26197 26184 26191 26188 26185 26184 26191 26188 26181 26184 26197 26199 26104 26180 26193 26183 26199 26187 26184 26195 26100 26197 26198 26100 26188 26199 26194 26185 26187 26180 26195 26195 26188 26193 26184 26198 26198", "plaintext": "WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS", "label": "jn25", "cipher": "jn25", "cipher_family": "codebook", "key": {"type": "additive", "value": "16180"}, "difficulty": "expert", "language": "en", "text_length": 845, "length": 1013, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "enigma-v2-0364", "text": "WMJUVIMFUOSAUBWCURXSHPYXCNZZPIUFBYAAHNYBGXLFZOLTDRVUBPBNAUYCFGZJNVMMFTPPGCHNJGLGDCFTVNTYRAOQHQCKVYWXUSVKRBXGZYTLFPMYVDLDRMPLLIBUPTIFFZGKSJZEDTHTJZAOUVR", "ciphertext": "WMJUVIMFUOSAUBWCURXSHPYXCNZZPIUFBYAAHNYBGXLFZOLTDRVUBPBNAUYCFGZJNVMMFTPPGCHNJGLGDCFTVNTYRAOQHQCKVYWXUSVKRBXGZYTLFPMYVDLDRMPLLIBUPTIFFZGKSJZEDTHTJZAOUVR", "plaintext": "ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY", "label": "enigma", "cipher": "enigma", "cipher_family": "machine", "key": {"type": "rotor_start", "value": "GHI"}, "difficulty": "expert", "language": "en", "text_length": 151, "length": 151, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vigenere-v3-0163", "text": "YVVMYMFJJRCBEIKLTCUYZVESYPRERGDSAORLKLWJZGJBRRUSAOCKPGZSWUVWRGJGXGKAVTDSNB", "ciphertext": "YVVMYMFJJRCBEIKLTCUYZVESYPRERGDSAORLKLWJZGJBRRUSAOCKPGZSWUVWRGJGXGKAVTDSNB", "plaintext": "THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN", "label": "vigenere", "cipher": "vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "FORTRESS"}, "difficulty": "intermediate", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012416", "text": "CPBOQ ERJRX EBMYI IYUED AQSEG IHQZH ZRQUS KUNCH KQLEI OPHAN XUCUK HUVAG EUEGW JRLEI HOGOF VBPAD NHHIK CSOHC LKAMK RXBYD VNAUZ MECNP YVRFJ CLKTM AGYNF PUWGT IQILB EIFFE LOBMB DEYIU ZZUTZ OHVTP XRWYE SXVPR HZFT", "ciphertext": "CPBOQ ERJRX EBMYI IYUED AQSEG IHQZH ZRQUS KUNCH KQLEI OPHAN XUCUK HUVAG EUEGW JRLEI HOGOF VBPAD NHHIK CSOHC LKAMK RXBYD VNAUZ MECNP YVRFJ CLKTM AGYNF PUWGT IQILB EIFFE LOBMB DEYIU ZZUTZ OHVTP XRWYE SXVPR HZFT", "plaintext": "THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE VIGENERE CIPHER USES A REPEATING KEYWORD A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 174, "length": 174, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "cda-0018896", "text": "UWQF BOCP WZYO GKGH IION DSSQ BGAO AMZE QZBQ PGUM HLGQ IPQN TYRR XQRE KVOK AVDL EDIV EMWC SPZE OSXF IYHO QAYM QPON FTCC JBOB CUXU LNMA QRMM MQQF QAKX NXHP CGLZ ZRRK TSIX QBVQ QELJ MMNK LSKN KGKG YGNJ FCBH URLC KEVC NTEI QFUD", "ciphertext": "UWQF BOCP WZYO GKGH IION DSSQ BGAO AMZE QZBQ PGUM HLGQ IPQN TYRR XQRE KVOK AVDL EDIV EMWC SPZE OSXF IYHO QAYM QPON FTCC JBOB CUXU LNMA QRMM MQQF QAKX NXHP CGLZ ZRRK TSIX QBVQ QELJ MMNK LSKN KGKG YGNJ FCBH URLC KEVC NTEI QFUD", "plaintext": "GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY", "label": "vernam", "cipher": "vernam", "key": {}, "difficulty": "hard", "language": "en", "text_length": 180, "length": 180, "attack_methods": ["key_reuse_attack", "information_theoretic_proof"], "educational_note": "Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.", "source": "synthetic_educational"}
{"id": "morse-code-v3-0014", "text": ".-.. --- .-- . .-. / - .... . / -.. .-. .- .-- -... .-. .. -.. --. .", "ciphertext": ".-.. --- .-- . .-. / - .... . / -.. .-. .- .-- -... .-. .. -.. --. .", "plaintext": "LOWER THE DRAWBRIDGE", "label": "morse_code", "cipher": "morse_code", "cipher_family": "encoding", "key": {"type": "none", "value": null}, "difficulty": "beginner", "language": "en", "text_length": 49, "length": 68, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-v2-0189", "text": "DNGUPEYBYRGUWQZVJQWIPCQJUQJEHDUYGDIYPOBJKKKOXCFBVNKFZMBSZPJFROQQPKCQBINULA", "ciphertext": "DNGUPEYBYRGUWQZVJQWIPCQJUQJEHDUYGDIYPOBJKKKOXCFBVNKFZMBSZPJFROQQPKCQBINULA", "plaintext": "FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "m94-110", "text": "GTKQJPNCGESNHBJKJEKFKUIINGCDZXPNQDHIVGDPMCDWFKRMINCQNUZ", "ciphertext": "GTKQJPNCGESNHBJKJEKFKUIINGCDZXPNQDHIVGDPMCDWFKRMINCQNUZ", "plaintext": "THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH", "label": "m94", "cipher": "m94", "cipher_family": "machine", "key": {"type": "seed", "value": "CIPHER"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "rail-fence-it-023", "text": "ERUPUSMOEPIV", "ciphertext": "ERUPUSMOEPIV", "plaintext": "EPPUR SI MUOVE", "label": "rail_fence", "cipher": "rail_fence", "cipher_family": "transposition", "key": {"type": "shift", "value": 3}, "difficulty": "intermediate", "language": "it", "text_length": 12, "length": 12, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "cda-0013972", "text": "4.44.11 12.4.10 12.4.15 4.37.14 14.5.10 2.49.4 10.5.12 16.14.4 13.5.8 9.11.7 20.23.5 15.30.12 2.28.11 12.30.10 16.13.10 4.44.5 2.24.4 8.34.4 9.34.5 14.13.6 11.45.9 2.4.2 7.35.14 11.6.6 16.24.13 11.34.4 4.42.2 1.42.10 5.11.6 5.21.9 6.39.2 4.1.12 4.12.15 15.20.13 17.11.9 8.11.7 5.44.11 1.29.10 17.27.13 5.36.1 3.11.14 7.5.2 2.22.12 11.49.12 20.17.8 9.46.8 9.21.4 12.20.6 4.32.1 18.26.4 19.32.3 6.6.5 1.48.14 2.26.13 1.44.1 10.20.9 7.32.6 20.18.1 4.20.10 10.12.11 14.3.8 6.27.8 7.35.5 3.20.12 7.38.3 9.29.10 8.9.10 7.25.11 4.10.7 2.32.14 3.2.2 1.45.13 6.5.5 8.11.5 11.4.6 1.41.14 4.37.5 12.49.4 18.43.12 2.50.1 10.23.13 1.18.4 17.18.9 5.9.5 18.45.2 17.25.5 3.8.2 9.10.10 1.37.3 16.49.12 10.26.5 5.38.10 5.39.8 15.27.5 3.7.8 9.6.1 2.50.7 13.12.11 13.28.11 17.22.9 7.18.4 14.29.6 4.50.5 19.31.15 7.21.3 5.35.2 20.26.10 2.28.5 15.28.11 20.34.14 19.7.15 10.25.5 14.10.9 17.28.7 15.49.15 9.38.3 4.25.9 15.20.6 2.45.8 8.50.11 9.25.14 6.38.13 1.14.4 3.18.1 15.49.3 12.50.12", "ciphertext": "4.44.11 12.4.10 12.4.15 4.37.14 14.5.10 2.49.4 10.5.12 16.14.4 13.5.8 9.11.7 20.23.5 15.30.12 2.28.11 12.30.10 16.13.10 4.44.5 2.24.4 8.34.4 9.34.5 14.13.6 11.45.9 2.4.2 7.35.14 11.6.6 16.24.13 11.34.4 4.42.2 1.42.10 5.11.6 5.21.9 6.39.2 4.1.12 4.12.15 15.20.13 17.11.9 8.11.7 5.44.11 1.29.10 17.27.13 5.36.1 3.11.14 7.5.2 2.22.12 11.49.12 20.17.8 9.46.8 9.21.4 12.20.6 4.32.1 18.26.4 19.32.3 6.6.5 1.48.14 2.26.13 1.44.1 10.20.9 7.32.6 20.18.1 4.20.10 10.12.11 14.3.8 6.27.8 7.35.5 3.20.12 7.38.3 9.29.10 8.9.10 7.25.11 4.10.7 2.32.14 3.2.2 1.45.13 6.5.5 8.11.5 11.4.6 1.41.14 4.37.5 12.49.4 18.43.12 2.50.1 10.23.13 1.18.4 17.18.9 5.9.5 18.45.2 17.25.5 3.8.2 9.10.10 1.37.3 16.49.12 10.26.5 5.38.10 5.39.8 15.27.5 3.7.8 9.6.1 2.50.7 13.12.11 13.28.11 17.22.9 7.18.4 14.29.6 4.50.5 19.31.15 7.21.3 5.35.2 20.26.10 2.28.5 15.28.11 20.34.14 19.7.15 10.25.5 14.10.9 17.28.7 15.49.15 9.38.3 4.25.9 15.20.6 2.45.8 8.50.11 9.25.14 6.38.13 1.14.4 3.18.1 15.49.3 12.50.12", "plaintext": "THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FAIL CLOSED IS A POSTURE NOT A SLOGAN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "hard", "language": "en", "text_length": 126, "length": 126, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "chaocipher-v2-0144", "text": "SDPGKFJIADPCZ", "ciphertext": "SDPGKFJIADPCZ", "plaintext": "AWAIT MY SIGNAL", "label": "chaocipher", "cipher": "chaocipher", "cipher_family": "machine", "key": {"type": "keyword", "value": "LIBERTY"}, "difficulty": "advanced", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0268", "text": "GKZNQKQUFQICGGSOFW", "ciphertext": "GKZNQKQUFQICGGSOFW", "plaintext": "NOVUS ORDO SECLORUM", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "TRIUMPH", "key2": "JUSTICE"}, "difficulty": "advanced", "language": "en", "text_length": 18, "length": 18, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0927", "text": "JHEXAREHKMEPZEJHECWEWPWIEVROJXSLAFPUVAVIZNODBBESAPGGIHZLYLMR", "ciphertext": "JHEXAREHKMEPZEJHECWEWPWIEVROJXSLAFPUVAVIZNODBBESAPGGIHZLYLMR", "plaintext": "THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "COMPASS"}, "difficulty": "intermediate", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "gronsfeld-v2-0308", "text": "PRUVDUVADOHAJVBYZLVAOLYZTHFAHRLIBAHZMVYTLNPCLTLSPILYAFVYNPCLTLKLHAO", "ciphertext": "PRUVDUVADOHAJVBYZLVAOLYZTHFAHRLIBAHZMVYTLNPCLTLSPILYAFVYNPCLTLKLHAO", "plaintext": "I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "77777"}, "difficulty": "intermediate", "language": "en", "text_length": 67, "length": 67, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "beaufort-v2-0783", "text": "TZPTXRZZHDOGP", "ciphertext": "TZPTXRZZHDOGP", "plaintext": "HONOR ABOVE ALL", "label": "beaufort", "cipher": "beaufort", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "ANCHOR"}, "difficulty": "intermediate", "language": "en", "text_length": 13, "length": 13, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "vernam-v3-0101", "text": "JDIJBCAMPTGAQX", "ciphertext": "JDIJBCAMPTGAQX", "plaintext": "THE SIEGE BEGINS", "label": "vernam", "cipher": "vernam", "cipher_family": "stream", "key": {"type": "pad", "value": "QWERTY (repeating)"}, "difficulty": "expert", "language": "en", "text_length": 14, "length": 14, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "confederate-vigenere-v3-0497", "text": "VHZMZCCDUMIPUBGEKIYKFGIITPCJKGZNNVYIEICJGYUSZDGZRCLNENICVSOOEYCQTCECJGFEAOCPCCRN", "ciphertext": "VHZMZCCDUMIPUBGEKIYKFGIITPCJKGZNNVYIEICJGYUSZDGZRCLNENICVSOOEYCQTCECJGFEAOCPCCRN", "plaintext": "THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS", "label": "confederate_vigenere", "cipher": "confederate_vigenere", "cipher_family": "polyalphabetic", "key": {"type": "keyword", "value": "CAVALRY"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "playfair-v2-0894", "text": "EGFZPWQOQTDEBZCOZEOCDSFPEPCOPCHZKZTIWPQOMPICIMOPNWTNLBTDYCCTWHTDBFAPKBWEABRWTWSU", "ciphertext": "EGFZPWQOQTDEBZCOZEOCDSFPEPCOPCHZKZTIWPQOMPICIMOPNWTNLBTDYCCTWHTDBFAPKBWEABRWTWSU", "plaintext": "ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW", "label": "playfair", "cipher": "playfair", "cipher_family": "polygraphic", "key": {"type": "keyword", "value": "WISDOM"}, "difficulty": "intermediate", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "fialka-229", "text": "ZUIGZNHDXWFLNYBTOZUGJRZGFAVYTFEVMMAFFMJXCSSHINDPKQDAMTQ", "ciphertext": "ZUIGZNHDXWFLNYBTOZUGJRZGFAVYTFEVMMAFFMJXCSSHINDPKQDAMTQ", "plaintext": "TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "MUSEUM"}, "difficulty": "expert", "language": "en", "text_length": 55, "length": 55, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "gronsfeld-v2-0261", "text": "AOLOHYIVYPZJSLHY", "ciphertext": "AOLOHYIVYPZJSLHY", "plaintext": "THE HARBOR IS CLEAR", "label": "gronsfeld", "cipher": "gronsfeld", "cipher_family": "polyalphabetic", "key": {"type": "numeric", "value": "77777"}, "difficulty": "intermediate", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "jefferson-disk-051", "text": "QXIANICRQFGWMJQHZRCUBNMCHHGFMRJAGIIFUSGEPXWDIHCXTHBWOBTLJFOH", "ciphertext": "QXIANICRQFGWMJQHZRCUBNMCHHGFMRJAGIIFUSGEPXWDIHCXTHBWOBTLJFOH", "plaintext": "KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT", "label": "jefferson_disk", "cipher": "jefferson_disk", "cipher_family": "disk", "key": {"type": "disk_order", "value": "3,1,5,2,4,6"}, "difficulty": "expert", "language": "en", "text_length": 60, "length": 60, "source": "cipher_museum", "dataset_version": "0.2", "split": "public"}
{"id": "bifid-v3-0295", "text": "PRTFARTREAHIAQLA", "ciphertext": "PRTFARTREAHIAQLA", "plaintext": "PER ASPERA AD ASTRA", "label": "bifid", "cipher": "bifid", "cipher_family": "fractionation", "key": {"type": "keyword", "value": "FREEDOM"}, "difficulty": "advanced", "language": "en", "text_length": 16, "length": 16, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "sigaba-v2-0216", "text": "OUMPNAZQXUFHIJLDWCEHVTPFNDELEZKRYKCJMPSKMABLXMLGADPJGWYHODTXDMBUCEOZHJRCPBQT", "ciphertext": "OUMPNAZQXUFHIJLDWCEHVTPFNDELEZKRYKCJMPSKMABLXMLGADPJGWYHODTXDMBUCEOZHJRCPBQT", "plaintext": "MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES", "label": "sigaba", "cipher": "sigaba", "cipher_family": "machine", "key": {"type": "seed", "value": "ARMY"}, "difficulty": "expert", "language": "en", "text_length": 76, "length": 76, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "caesar-v2-1533", "text": "EHIQ NBSMYFZ", "ciphertext": "EHIQ NBSMYFZ", "plaintext": "KNOW THYSELF", "label": "caesar", "cipher": "caesar", "cipher_family": "substitution", "key": {"type": "shift", "value": 20}, "difficulty": "beginner", "language": "en", "text_length": 11, "length": 12, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "four-square-v2-0078", "text": "ITUSUAFSWQGSULNFNRHTIBKFQEHAIGIASGAOCPFLQTNTGSSTBTQACRAUQTUARSBLKFOBQTNTCFSAOBSX", "ciphertext": "ITUSUAFSWQGSULNFNRHTIBKFQEHAIGIASGAOCPFLQTNTGSSTBTQACRAUQTUARSBLKFOBQTNTCFSAOBSX", "plaintext": "NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES", "label": "four_square", "cipher": "four_square", "cipher_family": "polygraphic", "key": {"key1": "PALACE", "key2": "BATTLE"}, "difficulty": "advanced", "language": "en", "text_length": 80, "length": 80, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0019562", "text": "813 841 859 852 843 847 872 999 837 814 800 856 862 853 814 855 999 860 839 807 812 852 859 802 825 839 858 874 999 826 841 999 800 999 809 826 855 857 852 826 804 861 857 824 842 839 999 806 800 814 854 802 853 999 856 822 824 817 857 814 810 999 857 823 814 999 801 835 845 823 800 803 813 857 999 803 873 999 858 821 851 812 813 999 845 842 856 824 857 825 842 840 855 999 859 852 800 839 856 847 844 856 825 858 826 844 841 999 808 825 846 822 814 852 855 999 851 813 801 853 851 801 841 820 813 999 834 814 857 859 814 852 856 999 868 826 858 821 843 860 857 999 856 860 804 856 857 824 858 860 858 824 843 840 999 817 851 813 850 862 813 841 808 872 999 800 841 802 835 874 854 826 855 999 807 802 840 999 853 814 864 814 802 835 999 867 814 801 830 999 807 826 845 823 814 853 855 999", "ciphertext": "813 841 859 852 843 847 872 999 837 814 800 856 862 853 814 855 999 860 839 807 812 852 859 802 825 839 858 874 999 826 841 999 800 999 809 826 855 857 852 826 804 861 857 824 842 839 999 806 800 814 854 802 853 999 856 822 824 817 857 814 810 999 857 823 814 999 801 835 845 823 800 803 813 857 999 803 873 999 858 821 851 812 813 999 845 842 856 824 857 825 842 840 855 999 859 852 800 839 856 847 844 856 825 858 826 844 841 999 808 825 846 822 814 852 855 999 851 813 801 853 851 801 841 820 813 999 834 814 857 859 814 852 856 999 868 826 858 821 843 860 857 999 856 860 804 856 857 824 858 860 858 824 843 840 999 817 851 813 850 862 813 841 808 872 999 800 841 802 835 874 854 826 855 999 807 802 840 999 853 814 864 814 802 835 999 867 814 801 830 999 807 826 845 823 814 853 855 999", "plaintext": "ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS", "label": "culper_ring", "cipher": "culper_ring", "key": {}, "difficulty": "hard", "language": "en", "text_length": 173, "length": 173, "attack_methods": ["codebook_frequency", "number_range_analysis"], "educational_note": "Culper Ring code: Washington's three-digit codebook numbers (800–999 range).", "source": "synthetic_educational"}
{"id": "cda-0021600", "text": "3.45.6 17.13.13 11.42.1 4.40.9 3.19.2 12.28.15 19.48.11 12.22.8 15.35.7 19.43.4 11.10.14 1.37.11 20.3.5 20.50.15 1.9.15 1.36.14 14.38.10 11.3.7 20.47.13 18.28.11 3.7.5 19.20.9 14.28.14 8.35.1 2.33.5 8.46.14 16.4.6 11.27.5 8.45.14 14.35.4 14.37.9 9.50.8 17.1.5 14.39.8 7.30.12 9.29.2 8.7.13 4.7.7 15.32.11 9.3.11 7.5.12 8.7.15 3.43.3 8.20.11 14.23.8 3.17.11 13.22.4 6.43.9 3.12.9 11.34.5 6.32.7 1.44.14 7.3.3 1.37.10 20.15.12 8.17.7 12.18.12 20.36.12 11.47.6 19.44.4 20.10.15 2.11.14 3.32.8 2.17.13 6.28.14 18.27.15 18.42.14 15.36.4 7.30.2 14.49.5 3.31.10 18.1.12 9.11.7 5.31.10 10.43.12 4.11.2 18.24.4 17.46.15", "ciphertext": "3.45.6 17.13.13 11.42.1 4.40.9 3.19.2 12.28.15 19.48.11 12.22.8 15.35.7 19.43.4 11.10.14 1.37.11 20.3.5 20.50.15 1.9.15 1.36.14 14.38.10 11.3.7 20.47.13 18.28.11 3.7.5 19.20.9 14.28.14 8.35.1 2.33.5 8.46.14 16.4.6 11.27.5 8.45.14 14.35.4 14.37.9 9.50.8 17.1.5 14.39.8 7.30.12 9.29.2 8.7.13 4.7.7 15.32.11 9.3.11 7.5.12 8.7.15 3.43.3 8.20.11 14.23.8 3.17.11 13.22.4 6.43.9 3.12.9 11.34.5 6.32.7 1.44.14 7.3.3 1.37.10 20.15.12 8.17.7 12.18.12 20.36.12 11.47.6 19.44.4 20.10.15 2.11.14 3.32.8 2.17.13 6.28.14 18.27.15 18.42.14 15.36.4 7.30.2 14.49.5 3.31.10 18.1.12 9.11.7 5.31.10 10.43.12 4.11.2 18.24.4 17.46.15", "plaintext": "EVERY SYSTEM NEEDS AN HONEST THREAT MODEL COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER", "label": "book_cipher", "cipher": "book_cipher", "key": {}, "difficulty": "medium", "language": "en", "text_length": 78, "length": 78, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Book cipher: coordinates (page.line.word) referencing a shared document.", "source": "synthetic_educational"}
{"id": "cda-0019140", "text": "4.1.5 12.3.7 1.3.8 12.3.5 1.3.2 20.2.6 1.5.7 15.5.1 17.6.6 3.1.5 16.4.6 11.4.5 20.6.1 18.3.2 6.2.7 14.1.5 19.5.3 14.2.6 20.1.5 19.3.9 13.1.6 5.6.3 16.1.6 19.2.8 6.2.8 14.4.8 13.1.4 12.5.7 5.1.1 20.3.7 17.6.1 13.4.4 14.2.3 12.6.5 20.5.3 1.2.4 12.2.2 13.6.7 3.4.5 14.1.2 10.2.3 14.4.2 3.6.4 6.4.4 15.5.1 20.6.6 11.6.1 13.5.9 13.6.5 7.2.10 20.4.1 9.3.1 9.3.7 8.4.6 14.1.1 5.1.1 19.4.8 18.6.8 15.5.3 13.1.10 19.2.1 15.6.3 11.4.7 7.1.6 14.4.1 19.5.2 16.2.1 3.6.1 3.3.6 2.4.4 15.5.7 6.6.10 10.1.4 3.5.5 11.1.10 17.6.6 7.4.4 1.1.10 18.5.2 20.2.5 5.6.1 19.1.10 3.1.6 6.2.8 15.1.2 15.5.9 14.4.7 16.6.6 6.5.6 17.5.5 9.4.5 9.3.9 13.3.2 1.3.3 17.4.7 7.3.8 19.6.5 20.6.4 2.2.8 20.6.2 15.4.3 3.4.1 19.5.5 20.2.3 15.3.4 8.4.4 2.2.8 6.4.10 11.1.6 18.2.3 18.1.7 17.6.5 1.6.2 6.3.6 14.3.5 18.3.2 5.1.10 19.2.2 8.1.3 12.3.5 19.5.8 3.4.6 5.3.8 17.1.5 4.2.6 8.6.10 16.4.4 14.4.9 4.6.9 8.2.2 9.2.10 6.6.4 7.6.7 9.1.3 6.2.5 9.3.7 11.6.1 6.1.6 4.3.7 2.6.9 15.2.8 10.4.6 2.6.10 1.5.1 16.6.8 10.3.4", "ciphertext": "4.1.5 12.3.7 1.3.8 12.3.5 1.3.2 20.2.6 1.5.7 15.5.1 17.6.6 3.1.5 16.4.6 11.4.5 20.6.1 18.3.2 6.2.7 14.1.5 19.5.3 14.2.6 20.1.5 19.3.9 13.1.6 5.6.3 16.1.6 19.2.8 6.2.8 14.4.8 13.1.4 12.5.7 5.1.1 20.3.7 17.6.1 13.4.4 14.2.3 12.6.5 20.5.3 1.2.4 12.2.2 13.6.7 3.4.5 14.1.2 10.2.3 14.4.2 3.6.4 6.4.4 15.5.1 20.6.6 11.6.1 13.5.9 13.6.5 7.2.10 20.4.1 9.3.1 9.3.7 8.4.6 14.1.1 5.1.1 19.4.8 18.6.8 15.5.3 13.1.10 19.2.1 15.6.3 11.4.7 7.1.6 14.4.1 19.5.2 16.2.1 3.6.1 3.3.6 2.4.4 15.5.7 6.6.10 10.1.4 3.5.5 11.1.10 17.6.6 7.4.4 1.1.10 18.5.2 20.2.5 5.6.1 19.1.10 3.1.6 6.2.8 15.1.2 15.5.9 14.4.7 16.6.6 6.5.6 17.5.5 9.4.5 9.3.9 13.3.2 1.3.3 17.4.7 7.3.8 19.6.5 20.6.4 2.2.8 20.6.2 15.4.3 3.4.1 19.5.5 20.2.3 15.3.4 8.4.4 2.2.8 6.4.10 11.1.6 18.2.3 18.1.7 17.6.5 1.6.2 6.3.6 14.3.5 18.3.2 5.1.10 19.2.2 8.1.3 12.3.5 19.5.8 3.4.6 5.3.8 17.1.5 4.2.6 8.6.10 16.4.4 14.4.9 4.6.9 8.2.2 9.2.10 6.6.4 7.6.7 9.1.3 6.2.5 9.3.7 11.6.1 6.1.6 4.3.7 2.6.9 15.2.8 10.4.6 2.6.10 1.5.1 16.6.8 10.3.4", "plaintext": "HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE", "label": "arnold_andre", "cipher": "arnold_andre", "key": {}, "difficulty": "hard", "language": "en", "text_length": 146, "length": 146, "attack_methods": ["book_cipher_attack", "triple_index_search"], "educational_note": "Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.", "source": "synthetic_educational"}
{"id": "fialka-v2-0136", "text": "WVELEDJYPMHKEHBQRZQUR", "ciphertext": "WVELEDJYPMHKEHBQRZQUR", "plaintext": "BRIDGE DESTROYED AT DAWN", "label": "fialka", "cipher": "fialka", "cipher_family": "machine", "key": {"type": "seed", "value": "KREMLIN"}, "difficulty": "expert", "language": "en", "text_length": 21, "length": 21, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0012191", "text": "YIEDMTBUGTVOYAAXZGRFIIVVRLJKEVGBILVJONKLEOXFWZSGIESLQGP", "ciphertext": "YIEDMTBUGTVOYAAXZGRFIIVVRLJKEVGBILVJONKLEOXFWZSGIESLQGP", "plaintext": "TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION", "label": "running_key", "cipher": "running_key", "key": {}, "difficulty": "medium", "language": "en", "text_length": 55, "length": 55, "attack_methods": ["index_of_coincidence", "probable_plaintext"], "educational_note": "Running-key cipher: Vigenère with a very long key (e.g. a book passage).", "source": "synthetic_educational"}
{"id": "cda-0008231", "text": "CHOY VPVA SENF GEHP GHER QRFR EIRF PNER SHYQ RFVT APBY HZAN EGEN AFCB FVGV BAER NQFP BYHZ AFVA XRLB EQRE BOFR EINO YRRI VQRA PRPB ZRFO RSBE RPBA SVQR APRG URQR GRPG VIRF GHQV RFCN GGRE AFOR SBER ZNXV ATPY NVZF", "ciphertext": "CHOY VPVA SENF GEHP GHER QRFR EIRF PNER SHYQ RFVT APBY HZAN EGEN AFCB FVGV BAER NQFP BYHZ AFVA XRLB EQRE BOFR EINO YRRI VQRA PRPB ZRFO RSBE RPBA SVQR APRG URQR GRPG VIRF GHQV RFCN GGRE AFOR SBER ZNXV ATPY NVZF", "plaintext": "PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS", "label": "rot13", "cipher": "rot13", "key": {"shift": 13}, "difficulty": "hard", "language": "en", "text_length": 168, "length": 168, "attack_methods": [], "educational_note": "", "source": "synthetic_educational"}
{"id": "typex-v3-0060", "text": "HTCYHQBUFPSKGQPGJSZYCSKTTRWMNJCDRNSQZMBFGVBYDASNOJKCGPRHJYXRPIRCZXGRZVNXTM", "ciphertext": "HTCYHQBUFPSKGQPGJSZYCSKTTRWMNJCDRNSQZMBFGVBYDASNOJKCGPRHJYXRPIRCZXGRZVNXTM", "plaintext": "CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS", "label": "typex", "cipher": "typex", "cipher_family": "machine", "key": {"type": "keyword", "value": "LONDON"}, "difficulty": "expert", "language": "en", "text_length": 74, "length": 74, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "argenti-v2-0200", "text": "67 83 84 17 44 25 23 41 37 20 56 66 82 83 20 44 83 16 64 13 17 75 72 37 41 23 25 28 44 32 67 20 33 17 56 66 60 63 34 15 88 83 70 23 67 20 25 72 71 18 37 27 28 26 77 81 41 66 82 63 70 59 26 77 22 37 56 83 44 89 66 18 84 17 68 25 37", "ciphertext": "67 83 84 17 44 25 23 41 37 20 56 66 82 83 20 44 83 16 64 13 17 75 72 37 41 23 25 28 44 32 67 20 33 17 56 66 60 63 34 15 88 83 70 23 67 20 25 72 71 18 37 27 28 26 77 81 41 66 82 63 70 59 26 77 22 37 56 83 44 89 66 18 84 17 68 25 37", "plaintext": "RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT", "label": "argenti", "cipher": "argenti", "cipher_family": "nomenclator", "key": {"type": "seed", "value": "PAPAL"}, "difficulty": "expert", "language": "en", "text_length": 154, "length": 230, "source": "cipher_museum", "dataset_version": "2.0", "split": "public"}
{"id": "cda-0016173", "text": "01976 0363 02902 3822 0994 3812 04720 5985 1606 01272 2897 6049 00376 05123 04781 6048 6283 6614 5664 1655 4431 04779 6369 0315 06046 03845 04778 02204 0332 04466 6310 07301 04762 06025 5373 06671 00380 05653 01632 1018 2873 05037 2598 01636 5652 1665 4463 1020 5746 7923 05075 6306 6051 01339 2917 02261 05673 0352 05089 02599 6038 7227 2912 06344 02563 06286 07290 04791 05035 4791 3777 7886 0690 02843 06673 05997 0337 03823 5090 2573 00325 00707 01595 06319 5966", "ciphertext": "01976 0363 02902 3822 0994 3812 04720 5985 1606 01272 2897 6049 00376 05123 04781 6048 6283 6614 5664 1655 4431 04779 6369 0315 06046 03845 04778 02204 0332 04466 6310 07301 04762 06025 5373 06671 00380 05653 01632 1018 2873 05037 2598 01636 5652 1665 4463 1020 5746 7923 05075 6306 6051 01339 2917 02261 05673 0352 05089 02599 6038 7227 2912 06344 02563 06286 07290 04791 05035 4791 3777 7886 0690 02843 06673 05997 0337 03823 5090 2573 00325 00707 01595 06319 5966", "plaintext": "FAIL CLOSED IS A POSTURE NOT A SLOGAN TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS", "label": "zimmermann", "cipher": "zimmermann", "key": {}, "difficulty": "hard", "language": "en", "text_length": 85, "length": 85, "attack_methods": ["codebook_frequency", "number_group_analysis"], "educational_note": "Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.", "source": "synthetic_educational"}