id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
columnar-transposition-de-048 | ANEHEKCIEUNMRDNFAITM | ANEHEKCIEUNMRDNFAITM | KEINE MACHT FUR NIEMAND | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | de | 20 | 20 | cipher_museum | 0.2 | public | null | null |
trifid-v3-0425 | PDXORP++UOJUXZAR | PDXORP++UOJUXZAR | RENDER UNTO CAESAR | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
atbash-v3-0016 | ZIXSVIH GL GSV DZOOH | ZIXSVIH GL GSV DZOOH | ARCHERS TO THE WALLS | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 17 | 20 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0290 | OQQLVMWYUIEFXCPIFWKXXNJFDXMKKTQLYKYYNBFFVWDAFWZFPWKMNBVVIQYAVFOEWJBDKTKPFJVMYAGFOTVWA | OQQLVMWYUIEFXCPIFWKXXNJFDXMKKTQLYKYYNBFFVWDAFWZFPWKMNBVVIQYAVFOEWJBDKTKPFJVMYAGFOTVWA | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 85 | 85 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0473 | WUUCGNURWYSHOUQX | WUUCGNURWYSHOUQX | CAVALRY ADVANCES | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0004275 | TBXPF QXWXA XMFNB XACEX EGAXN XGTFW QIXYL UAOKX GCSUA TFETB XAXMF NAUMG DUSPF QXWXA XGWOO XMAYN TEFTE XDS | TBXPF QXWXA XMFNB XACEX EGAXN XGTFW QIXYL UAOKX GCSUA TFETB XAXMF NAUMG DUSPF QXWXA XGWOO XMAYN TEFTE XDS | THE VIGENERE CIPHER USES A REPEATING KEYWORD BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | monoalphabetic | monoalphabetic | null | {
"alphabet": "GKMOXSQBFZIDHWUNRAETCPLJYV"
} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
cda-0018483 | 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 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 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 ... | 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 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 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 ... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 145 | 145 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
kama-sutra-v2-0465 | RFRE MOAYEK REV KUAVUE ZNFPJTRE QOYFM MJN QUTQN MU RMMRPG MJN KNATRE NEYKTR PYCJNA TRPJYEN | RFRE MOAYEK REV KUAVUE ZNFPJTRE QOYFM MJN QUTQN MU RMMRPG MJN KNATRE NEYKTR PYCJNA TRPJYEN | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 76 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0015366 | 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 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 | 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 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 | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | wallis_cipher | wallis_cipher | null | {} | hard | en | 100 | 100 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
vigenere-440 | RCYNYOOIPAHWWUTVH | RCYNYOOIPAHWWUTVH | CRYPTOGRAPHY RULES | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PLAYFAIR"
} | intermediate | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
typex-v3-0261 | MAODYDVASAEUGLWPGZIBOOEIOSXAKCAWNJFSRJSUSHCZVJSGLVKVFTTWCJBTLHNPRRSXUNDFG | MAODYDVASAEUGLWPGZIBOOEIOSXAKCAWNJFSRJSUSHCZVJSGLVKVFTTWCJBTLHNPRRSXUNDFG | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
hill-v2-0304 | CSZUPQRWPQSRXCBLEYPDPUSGZZJJVPJWPFCQCFPHBXGSDSOCNCCZFIEKFKMMJJACTQYHECCQ | CSZUPQRWPQSRXCBLEYPDPUSGZZJJVPJWPFCQCFPHBXGSDSOCNCCZFIEKFKMMJJACTQYHECCQ | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
argenti-060 | 51 28 89 76 68 66 14 40 10 26 46 30 45 74 46 69 54 83 66 48 68 85 44 53 28 32 40 15 30 29 62 72 59 64 83 45 50 74 69 41 85 34 68 69 54 32 17 83 89 66 14 42 30 68 41 40 46 80 32 83 29 27 48 66 51 69 74 72 32 64 39 59 28 40 45 73 85 14 84 66 46 68 54 83 48 32 41 40 65 83 53 32 83 29 51 59 42 32 45 69 85 80 28 83 66 15 68... | 51 28 89 76 68 66 14 40 10 26 46 30 45 74 46 69 54 83 66 48 68 85 44 53 28 32 40 15 30 29 62 72 59 64 83 45 50 74 69 41 85 34 68 69 54 32 17 83 89 66 14 42 30 68 41 40 46 80 32 83 29 27 48 66 51 69 74 72 32 64 39 59 28 40 45 73 85 14 84 66 46 68 54 83 48 32 41 40 65 83 53 32 83 29 51 59 42 32 45 69 85 80 28 83 66 15 68... | 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 | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ARGENTI"
} | expert | en | 286 | 428 | cipher_museum | 0.2 | public | null | null |
rail-fence-215 | IMOIRNNEOTTSCHEOEWHRSHYATEOATAIEHLSITRLPAS | IMOIRNNEOTTSCHEOEWHRSHYATEOATAIEHLSITRLPAS | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 5
} | intermediate | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
kryha-v3-0063 | WSHNNRRMITBQMXPWAJDOSKMVLUYPPILXUJZVDZGBAJHXPFFKXNFRSFHABYLQHLGGZQPTEIWGPIAXT | WSHNNRRMITBQMXPWAJDOSKMVLUYPPILXUJZVDZGBAJHXPFFKXNFRSFHABYLQHLGGZQPTEIWGPIAXT | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0223 | PLSYSNKYKMLHCALZHAFGCMOJZHVODAIYBYMPFJUBTJADCLTYBYEAFVFQJMMWEWVPUBSZKNARVGCYTXAUBEWE | PLSYSNKYKMLHCALZHAFGCMOJZHVODAIYBYMPFJUBTJADCLTYBYEAFVFQJMMWEWVPUBSZKNARVGCYTXAUBEWE | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0120 | AFGGAADFDFXAGDGAAAAFDA | AFGGAADFDFXAGDGAAAAFDA | HOLD THE LINE | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
m209-v2-0496 | CSSUBKTXLBWIVABCWQMOLUKAZNDLKLPRANZJZVAWMYZBZSVDZWQVEBVLJYADNJWLDPWCTPMVXMDQBMVXJUWOBLYQLYHXQXRIVYVLOHRSFRWKCZBEMZBDRQZAEYRKMVRQLLLXEITK | CSSUBKTXLBWIVABCWQMOLUKAZNDLKLPRANZJZVAWMYZBZSVDZWQVEBVLJYADNJWLDPWCTPMVXMDQBMVXJUWOBLYQLYHXQXRIVYVLOHRSFRWKCZBEMZBDRQZAEYRKMVRQLLLXEITK | 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 | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0263 | VOEUOZMDNDGWIT | VOEUOZMDNDGWIT | TARGET ACQUIRED | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
zimmermann-v3-0049 | 00009 99999 90022 90000 90018 99998 00005 99999 90001 90017 90008 90006 90007 90019 99998 99999 90002 90014 90011 90003 99998 00094 00004 99999 90000 90015 90017 90008 90011 99998 00002 00000 99999 90002 90011 90014 90002 90010 90018 99998 00028 99999 90018 90019 90017 90008 90010 90008 90013 90006 99998 99999 90019 90... | 00009 99999 90022 90000 90018 99998 00005 99999 90001 90017 90008 90006 90007 90019 99998 99999 90002 90014 90011 90003 99998 00094 00004 99999 90000 90015 90017 90008 90011 99998 00002 00000 99999 90002 90011 90014 90002 90010 90018 99998 00028 99999 90018 90019 90017 90008 90010 90008 90013 90006 99998 99999 90019 90... | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 380 | 455 | cipher_museum | 2.0 | public | null | null |
running-key-002 | BPXLEISBRP | BPXLEISBRP | FLEE AT ONCE | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Declaration of Independence (opening)"
} | intermediate | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0138 | RMUMWIYCSEQTZPIIF | RMUMWIYCSEQTZPIIF | OLD IRONSIDES HOLDS | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0034 | UGPLLVACLHLCFX | UGPLLVACLHLCFX | THE APPLE FALLS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0044 | OCKYVMZ MUL DYXA QUDLZ PLJCVL QGLUV MLYQGZ QGL RYEUYXQ XLRLV QYZQL MLYQG PIQ CXOL | OCKYVMZ MUL DYXA QUDLZ PLJCVL QGLUV MLYQGZ QGL RYEUYXQ XLRLV QYZQL MLYQG PIQ CXOL | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 68 | 81 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0196 | FXKLDGIQUXUFFPXNYCOGUFQDEQVBCNTYUHEWFFVLNBUOVCQWDVTNNDLDAGNETVMCNPVTVFLPECCGLUBBXROMKMTSPYXXIGDZRQHJUABEMIREWLKKQWHFEDWNIPFMUNTKUWJFGPYVPESBEPUTUOZCMLJOFYPXEYUTETUOUNO | FXKLDGIQUXUFFPXNYCOGUFQDEQVBCNTYUHEWFFVLNBUOVCQWDVTNNDLDAGNETVMCNPVTVFLPECCGLUBBXROMKMTSPYXXIGDZRQHJUABEMIREWLKKQWHFEDWNIPFMUNTKUWJFGPYVPESBEPUTUOZCMLJOFYPXEYUTETUOUNO | 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 | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
arnold-andre-026 | 13.1.1 14.2.1 14.3.5 14.4.3 14.5.3 14.1.1 14.4.3 14.1.4 15.1.1 4.4.2 13.1.1 14.3.4 14.3.5 14.5.3 15.1.1 | 13.1.1 14.2.1 14.3.5 14.4.3 14.5.3 14.1.1 14.4.3 14.1.4 15.1.1 4.4.2 13.1.1 14.3.4 14.3.5 14.5.3 15.1.1 | FORWARD MARCH NOW | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 89 | 103 | cipher_museum | 0.2 | public | null | null |
autokey-v3-0146 | ICKWRWZVRH | ICKWRWZVRH | DOT DASH DOT | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
cda-0012383 | 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 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 13 34 31 45 32... | 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 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 13 34 31 45 32... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | polybius | polybius | null | {} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
gronsfeld-016 | VFREWHJRGTUDINJQUW | VFREWHJRGTUDINJQUW | SEND REINFORCEMENTS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31415"
} | intermediate | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0015912 | DNWBLHXIYZZYSRWMVBOFDLWTAHUWNAGZXGEMQILLIGJBIGFXQILSJQYDGKXJZKWLQQWCYVRATOKJKDVCJZQQURYTELBQLXIORGT | DNWBLHXIYZZYSRWMVBOFDLWTAHUWNAGZXGEMQILLIGJBIGFXQILSJQYDGKXJZKWLQQWCYVRATOKJKDVCJZQQURYTELBQLXIORGT | FAIL CLOSED IS A POSTURE NOT A SLOGAN KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | vernam | vernam | null | {} | hard | en | 99 | 99 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
alberti-disk-008 | FRHDQJLGMTQJ | FRHDQJLGMTQJ | HOLD POSITION | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 3
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v2-0675 | CPPYFKWCKFUTAUYQQUKTFVZKQOJLZWDMHTIRBTAXCNVRQXEHYSROOZYQMKGD | CPPYFKWCKFUTAUYQQUKTFVZKQOJLZWDMHTIRBTAXCNVRQXEHYSROOZYQMKGD | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-vi-0090 | NUT TCOSM WCO COPM DL TCM JORG WDJJ RMLMW TCMDR STRMLBTC TCMY WDJJ SOER OL WDLBS JDHM MEBJMS ELG LOT BROW TDRMG | NUT TCOSM WCO COPM DL TCM JORG WDJJ RMLMW TCMDR STRMLBTC TCMY WDJJ SOER OL WDLBS JDHM MEBJMS ELG LOT BROW TDRMG | BUT THOSE WHO HOPE IN THE LORD WILL RENEW THEIR STRENGTH THEY WILL SOAR ON WINGS LIKE EAGLES AND NOT GROW TIRED | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "ENIGMA"
} | beginner | en | 90 | 111 | cipher_museum | 2.0 | public | null | null |
adfgvx-187 | AFAAAFVADVADAFFXXFFDFAGAGDGGFF | AFAAAFVADVADAFFXXFFDFAGAGDGGFF | ABORT MISSION NOW | adfgvx | adfgvx | fractionation | {
"polybius": "ENIGMA",
"columnar": "CRYPTO"
} | advanced | en | 30 | 30 | cipher_museum | 0.2 | public | null | null |
diana-v3-0267 | MHNJXKSXNZTKSKZJQECJJLSSMNRREQUOWCEAMHNLKANGRPCSKOGLGQYOAWAPFMAOMAMHNNTSXB | MHNJXKSXNZTKSKZJQECJJLSSMNRREQUOWCEAMHNLKANGRPCSKOGLGQYOAWAPFMAOMAMHNNTSXB | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kl7-173 | DAZLIQPZUHNWLDGBIQGKBYZWZZVPEDLVIYXILWONGKYNJSYHYUNYORUDFWRT | DAZLIQPZUHNWLDGBIQGKBYZWZZVPEDLVIYXILWONGKYNJSYHYUNYORUDFWRT | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | kl7 | kl7 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0100 | THEVENONAPROJECTWHICHRANBROMNINESEENFKRTYTHREETONINETAENEIGHTYDECRYPTEDTHOUTANDSOFWOVIETMNTELLIGENCEMESSAGESREVAALINGTGEIDENTITIESOFNUMEROUWEGENTSWHOHADPENETRATECTHEUSGORERNMENT | THEVENONAPROJECTWHICHRANBROMNINESEENFKRTYTHREETONINETAENEIGHTYDECRYPTEDTHOUTANDSOFWOVIETMNTELLIGENCEMESSAGESREVAALINGTGEIDENTITIESOFNUMEROUWEGENTSWHOHADPENETRATECTHEUSGORERNMENT | 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 | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 177 | 177 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0381 | XDOERZQXTUO | XDOERZQXTUO | HOLD THE LINE | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
bifid-016 | SOSLFSCRSECOAOPGAV | SOSLFSCRSECOAOPGAV | SEND REINFORCEMENTS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
enigma-352 | FSLGWEOTKKIYLJNNHNOGBIEROGKRIDVUPYFFCVDFWQPMTAGZRUUUHRKVTQ | FSLGWEOTKKIYLJNNHNOGBIEROGKRIDVUPYFFCVDFWQPMTAGZRUUUHRKVTQ | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DOG"
} | expert | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
four-square-v3-0168 | WAEPELBUCTGUFCCTIHBHQLTRALPCIZCKMFXINILDKEZDNLHTBGATGYKBGIGTNDHPMTFMGTLZIU | WAEPELBUCTGUFCCTIHBHQLTRALPCIZCKMFXINILDKEZDNLHTBGATGYKBGIGTNDHPMTFMGTLZIU | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0277 | UWXTQBHXJZYXXNKZYCNPNIOSOJKZRSUWYVSCZTNZYIXUGIXIUTQCICSDEFZMHTSZVXQPJKSXNT | UWXTQBHXJZYXXNKZYCNPNIOSOJKZRSUWYVSCZTNZYIXUGIXIUTQCICSDEFZMHTSZVXQPJKSXNT | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0007182 | POWBKXZOFB BXDIBEJB JPCBW OBQPKB JPEQDIBEJB | POWBKXZOFB BXDIBEJB JPCBW OBQPKB JPEQDIBEJB | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | monoalphabetic | monoalphabetic | null | {
"alphabet": "ZOJIBQRNDLYFCEPVTKWGSXHMUA"
} | medium | en | 39 | 39 | synthetic_educational | null | null | [] | |
purple-v3-0168 | ACDTCTFMVRRIMLLQVKYBPMDIBOAPIZAKVUEEXMKOAPUKSFXBWBWIWUSWFTTPQGIFGZWGXBGNPY | ACDTCTFMVRRIMLLQVKYBPMDIBOAPIZAKVUEEXMKOAPUKSFXBWBWIWUSWFTTPQGIFGZWGXBGNPY | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0055 | B5 H7 G7 I3 U4 K3 O0 X0 K7 G6 L1 K8 U6 D0 C8 P6 H7 B3 B6 D2 S3 B5 A6 Q6 Z1 C2 L9 O0 Q8 O8 Z1 I8 A5 A9 A5 X2 X2 N7 I5 A5 T9 G6 C1 O9 B0 N7 P5 K7 S6 M9 U4 Q6 T8 O8 T9 M9 R1 I4 A4 K7 B6 O0 H2 N6 S0 R8 A3 N3 T9 B6 T8 X0 C8 M8 T0 | B5 H7 G7 I3 U4 K3 O0 X0 K7 G6 L1 K8 U6 D0 C8 P6 H7 B3 B6 D2 S3 B5 A6 Q6 Z1 C2 L9 O0 Q8 O8 Z1 I8 A5 A9 A5 X2 X2 N7 I5 A5 T9 G6 C1 O9 B0 N7 P5 K7 S6 M9 U4 Q6 T8 O8 T9 M9 R1 I4 A4 K7 B6 O0 H2 N6 S0 R8 A3 N3 T9 B6 T8 X0 C8 M8 T0 | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0808 | QOXOBKV QBKXD RKC DKUOX FSMUCLEBQ DRO QBOKD BSFOB SC XYG YZOX PBYW SDC CYEBMO DY DRO COK | QOXOBKV QBKXD RKC DKUOX FSMUCLEBQ DRO QBOKD BSFOB SC XYG YZOX PBYW SDC CYEBMO DY DRO COK | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | caesar | caesar | substitution | {
"type": "shift",
"value": 10
} | beginner | en | 72 | 88 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0237 | TFCIEEOTNOEHOVNETSFADIYRIIIQNNNGESIATIAINATTTESFUANELAITTOEMLDOHEOCAOICOBERRARTTAFDREFRNSTRHATCTALOHATOEARAUEUCYCCNTOWIPETTRAHTSIHBEWICUEFMSETONJHOD | TFCIEEOTNOEHOVNETSFADIYRIIIQNNNGESIATIAINATTTESFUANELAITTOEMLDOHEOCAOICOBERRARTTAFDREFRNSTRHATCTALOHATOEARAUEUCYCCNTOWIPETTRAHTSIHBEWICUEFMSETONJHOD | 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 | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
nomenclator-019 | 14 15 16 18 09 19 15 14 05 18 19 20 01 11 05 14 | 14 15 16 18 09 19 15 14 05 18 19 20 01 11 05 14 | NO PRISONERS TAKEN | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 32 | 47 | cipher_museum | 0.2 | public | null | null |
porta-v2-0082 | AUHATANBWSLEIGKWONSOYMEQXCUAEWLRWJLZXZGWSKIEYKTWAVMSDGNVSJDFJUYMDWHGUGPETBVATICRX | AUHATANBWSLEIGKWONSOYMEQXCUAEWLRWJLZXZGWSKIEYKTWAVMSDGNVSJDFJUYMDWHGUGPETBVATICRX | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "NAPLES"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
nomenclator-064 | 18 05 14 04 05 26 22 15 21 19 01 20 93 | 18 05 14 04 05 26 22 15 21 19 01 20 93 | RENDEZVOUS AT MIDNIGHT | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 26 | 38 | cipher_museum | 0.2 | public | null | null |
fialka-v3-0211 | BXVCBGIOYFYQCMLUAGUHMCU | BXVCBGIOYFYQCMLUAGUHMCU | ROME WAS NOT BUILT IN ONE DAY | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cda-0013639 | 16.2.1 1.4.6 20.3.6 1.4.6 13.4.3 13.6.10 14.5.7 1.3.5 15.4.5 14.5.3 18.5.2 1.3.9 11.2.8 2.3.7 5.1.1 4.1.4 2.2.4 4.6.8 1.1.9 3.3.3 10.5.4 6.6.1 19.2.4 9.2.8 4.3.7 15.4.1 6.4.9 2.3.1 10.5.1 7.3.2 5.1.2 15.3.6 8.2.6 9.4.2 9.5.10 5.1.3 12.5.8 3.3.1 13.1.7 18.2.7 16.2.5 18.1.9 10.6.9 6.2.6 19.6.1 4.3.9 3.6.1 16.2.10 4.2.8 1... | 16.2.1 1.4.6 20.3.6 1.4.6 13.4.3 13.6.10 14.5.7 1.3.5 15.4.5 14.5.3 18.5.2 1.3.9 11.2.8 2.3.7 5.1.1 4.1.4 2.2.4 4.6.8 1.1.9 3.3.3 10.5.4 6.6.1 19.2.4 9.2.8 4.3.7 15.4.1 6.4.9 2.3.1 10.5.1 7.3.2 5.1.2 15.3.6 8.2.6 9.4.2 9.5.10 5.1.3 12.5.8 3.3.1 13.1.7 18.2.7 16.2.5 18.1.9 10.6.9 6.2.6 19.6.1 4.3.9 3.6.1 16.2.10 4.2.8 1... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | arnold_andre | arnold_andre | null | {} | hard | en | 127 | 127 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
adfgx-v2-0624 | GGGAFAAAGDADFDGDDDXAFDDAAXDGFXDFAGDDDGAXGAAXFFDD | GGGAFAAAGDADFDGDDDXAFDDAAXDGFXDFAGDDDGAXGAAXFFDD | TORPEDO AWAY ALL HANDS BRACE | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 48 | 48 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v2-0156 | 90 67 54 53 41 85 27 91 90 82 79 18 55 33 40 91 90 15 44 63 91 90 11 47 45 76 91 | 90 67 54 53 41 85 27 91 90 82 79 18 55 33 40 91 90 15 44 63 91 90 11 47 45 76 91 | WISDOM GUARDS THE GATE | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 54 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0015461 | r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X ⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌· | r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X ⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌· | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | pigpen | pigpen | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cardano-autokey-v2-0446 | WMPWKWHDRVXALTJLVMVULERKYTFKALCQZHLWDWIKURDNQEMPWKWHDRVXALTTECGQMKOVJSMABTAM | WMPWKWHDRVXALTJLVMVULERKYTFKALCQZHLWDWIKURDNQEMPWKWHDRVXALTTECGQMKOVJSMABTAM | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0122 | LYOJUPMJCPIQAYVIMJBBHVHBDJMHCJRLAJYMTPMJBLUPBIJZJMRHBJYUKMYLYBDPCHHEYLUJJOULHOJLAPLLAJRHNBDAPZJPVKPRUPBIKYVVPVKPRUCJPBNBMNVRDJBJMPLYHBXNVVHXXHHVYUABJUU | LYOJUPMJCPIQAYVIMJBBHVHBDJMHCJRLAJYMTPMJBLUPBIJZJMRHBJYUKMYLYBDPCHHEYLUJJOULHOJLAPLLAJRHNBDAPZJPVKPRUPBIKYVVPVKPRUCJPBNBMNVRDJBJMPLYHBXNVVHXXHHVYUABJUU | 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 | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-025 | RPQUBBNSURWBINBUBL | RPQUBBNSURWBINBUBL | SILENCE IS GOLDEN | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "ROUNDTABLE"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0009920 | BCRA FBHE PRGB BYFN YYBJ VAQR CRAQ RAGI REVS VPNG VBAG URYV OENE LCER FREI RFXA BJYR QTRS BEGU RPBZ ZHAV GL | BCRA FBHE PRGB BYFN YYBJ VAQR CRAQ RAGI REVS VPNG VBAG URYV OENE LCER FREI RFXA BJYR QTRS BEGU RPBZ ZHAV GL | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 86 | 86 | synthetic_educational | null | null | [] | |
cda-0015849 | 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· ─ ⌒· ┌ ┘· Γ L ┌· ─ L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ Γ· X ─ ┘· K ¬ ┌· ┘· ┐ L ─ ¬ ⌒· └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· ┘· ¬ X L ┌· K· ⌐ ¬ └ L L K· Γ· Γ L ─ r L r ┘· ┌ L X ¬ L ⌐· ┘· ┌· L r ┘· ─ ⌐· Γ· Γ L ─ r L ⌐ K ¬ ⌐ X r· L ─ r ┘· Γ L X ... | 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· ─ ⌒· ┌ ┘· Γ L ┌· ─ L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ Γ· X ─ ┘· K ¬ ┌· ┘· ┐ L ─ ¬ ⌒· └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· ┘· ¬ X L ┌· K· ⌐ ¬ └ L L K· Γ· Γ L ─ r L r ┘· ┌ L X ¬ L ⌐· ┘· ┌· L r ┘· ─ ⌐· Γ· Γ L ─ r L ⌐ K ¬ ⌐ X r· L ─ r ┘· Γ L X ... | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE ATBASH ENCODES BY REVERSING THE ALPHABET | pigpen | pigpen | null | {} | medium | en | 72 | 72 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0018177 | - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. . / .- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. ..... | - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. . / .- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. ..... | THE MESSAGE WAS HIDDEN BUT NOT SECURE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | morse_code | morse_code | null | {} | hard | en | 161 | 161 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
nihilist-109 | 49 96 58 36 99 77 49 56 64 30 89 48 56 88 65 47 60 49 47 60 64 37 80 58 49 96 58 36 99 45 75 69 58 29 67 77 56 68 64 30 67 66 49 66 95 29 86 77 49 60 75 58 89 48 49 89 64 60 89 48 | 49 96 58 36 99 77 49 56 64 30 89 48 56 88 65 47 60 49 47 60 64 37 80 58 49 96 58 36 99 45 75 69 58 29 67 77 56 68 64 30 67 66 49 66 95 29 86 77 49 60 75 58 89 48 49 89 64 60 89 48 | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | nihilist | nihilist | fractionation | {
"polybius": "CIPHER",
"keyword": "MUSEUM"
} | advanced | en | 120 | 179 | cipher_museum | 0.2 | public | null | null |
cda-0021310 | . ... ... .... ... . .... ..... ... .. ... ... . . .... .. .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... .... .. . ..... . . . .... .... ... . ... ... .... ... . .... ..... ... .. ... ... .... ... .. .... ... ... . ... .... | . ... ... .... ... . .... ..... ... .. ... ... . . .... .. .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... .... .. . ..... . . . .... .... ... . ... ... .... ... . .... ..... ... .. ... ... .... ... .. .... ... ... . ... .... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE MESSAGE WAS HIDDEN BUT NOT SECURE | tap_code | tap_code | null | {} | medium | en | 74 | 74 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
polybius-043 | 15 31 15 32 15 33 44 11 42 54 32 54 14 15 11 42 52 11 44 43 34 33 44 23 15 22 11 32 15 24 43 11 21 34 34 44 11 33 14 44 23 15 13 42 24 32 24 33 11 31 24 43 13 31 34 43 15 | 15 31 15 32 15 33 44 11 42 54 32 54 14 15 11 42 52 11 44 43 34 33 44 23 15 22 11 32 15 24 43 11 21 34 34 44 11 33 14 44 23 15 13 42 24 32 24 33 11 31 24 43 13 31 34 43 15 | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 114 | 170 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0197 | EUFBKTBRLFUFULHOXFARMKDAPAQROAPSRDUHMPRSLLDQRKBALHBTQAQXBRBGPLLDXFAMXFAVKSTUBBRJQLVBFVKLFURTVHTUSMKTQLBPRGAQBQPVPMALDPUHSDADUTPWAFXFXFAMQWWMBHLFUFUSTUTAATUTABFUTXGLMBRLFUEASTPASRMKOAFQQHEABAPAR | EUFBKTBRLFUFULHOXFARMKDAPAQROAPSRDUHMPRSLLDQRKBALHBTQAQXBRBGPLLDXFAMXFAVKSTUBBRJQLVBFVKLFURTVHTUSMKTQLBPRGAQBQPVPMALDPUHSDADUTPWAFXFXFAMQWWMBHLFUFUSTUTAATUTABFUTXGLMBRLFUEASTPASRMKOAFQQHEABAPAR | 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 | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 193 | 193 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0276 | 60 19 16 05 05 04 62 12 09 07 08 20 09 19 60 21 12 20 09 13 01 20 05 19 16 05 05 04 12 09 13 09 20 64 60 21 14 09 22 05 18 19 05 05 09 14 19 20 05 09 14 04 05 13 15 14 19 20 18 01 20 05 04 20 08 09 19 | 60 19 16 05 05 04 62 12 09 07 08 20 09 19 60 21 12 20 09 13 01 20 05 19 16 05 05 04 12 09 13 09 20 64 60 21 14 09 22 05 18 19 05 05 09 14 19 20 05 09 14 04 05 13 15 14 19 20 18 01 20 05 04 20 08 09 19 | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 134 | 200 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0364 | LQBWBEI+JSYYFGWTHBI+EPECT+C+GSGVTKIEIWBWBIFFAIMQZLTPUDFOMJCRCBONOSNJD+PM+IOPPCHPFOJCLNAHHYIRKOJEAEKV+RUOFOBMCSCAMWSTPUDFDBXJBCDJGYCBPEOBYHSOLRUBFLQNXQY | LQBWBEI+JSYYFGWTHBI+EPECT+C+GSGVTKIEIWBWBIFFAIMQZLTPUDFOMJCRCBONOSNJD+PM+IOPPCHPFOJCLNAHHYIRKOJEAEKV+RUOFOBMCSCAMWSTPUDFDBXJBCDJGYCBPEOBYHSOLRUBFLQNXQY | 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 | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
red-type-a-114 | LPOILETEZBYRZPDACUVHINSEVINLOIAFXOFPEBYBHYGSYSZXUFORSZJEYWHANA | LPOILETEZBYRZPDACUVHINSEVINLOIAFXOFPEBYBHYGSYSZXUFORSZJEYWHANA | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
adfgvx-v2-0340 | DGXAGDAFFDGGXDFDVAVAAFAFFXDADXADDGDXDXDGDDFXDXFXGAAAAXDXAAGDGXDDAADGDXAXDADVDADXDXDAGGDVDFVDAGVAXAXDFGDAGVXDADADVDDFAAAGAADDFFAAAFXAGGXGDAGDDDDXDVAXAGDGDFGXVG | DGXAGDAFFDGGXDFDVAVAAFAFFXDADXADDGDXDXDGDDFXDXFXGAAAAXDXAAGDGXDDAADGDXAXDADVDADXDXDAGGDVDFVDAGVAXAXDFGDAGVXDADADVDDFAAAGAADDFFAAAFXAGGXGDAGDDDDXDVAXAGDGDFGXVG | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 158 | 158 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0323 | QJNLAZIGVNKCARHWDDGHEYKBAINOGKVPVPQPZAPGCIHMYARBLLOWLFIRJTWNGPA | QJNLAZIGVNKCARHWDDGHEYKBAINOGKVPVPQPZAPGCIHMYARBLLOWLFIRJTWNGPA | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
cda-0019451 | BAAA BBAA BBAA AABB AAAB BAAB AABA AABA ABAB AABB BAAB AABA AAAB BABA BBAA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA AABA BABB AAAA AABB BAAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA BAAB AABB ABAA AAAA AABB ABAA AAAB ABAA BABA ABAA BAAA AAAB AAAB BAAB AABA ABAB AAAB AABA ABAB AABA AABA ABAA AAAB BBAA ... | BAAA BBAA BBAA AABB AAAB BAAB AABA AABA ABAB AABB BAAB AABA AAAB BABA BBAA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA AABA BABB AAAA AABB BAAA BAAA AAAA AAAB AAAB BBAB ABAA ABAA BAAB ABAA BAAA BAAB AAAA BAAB AABB ABAA AAAA AABB ABAA AAAB ABAA BABA ABAA BAAA AAAB AAAB BAAB AABA ABAB AAAB AABA ABAB AABA AABA ABAA AAAB BBAA ... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS HONESTLY | bacon_cipher | bacon_cipher | null | {} | hard | en | 520 | 520 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0017726 | 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 ┌· 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 ┐· L ┌· r· ⌐ ┐· 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 ┌· 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 ┐· L ┌· r· ⌐ ┐· X | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS PERHAPS | pigpen | pigpen | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
slidex-v3-0078 | VHAXASYVMUQSIPYMXPAKSCPUSXLYLPLNRWFADOQURUXVDLVHPDBNYHRULNWUYPMVWUYPAMINJBLG | VHAXASYVMUQSIPYMXPAKSCPUSXLYLPLNRWFADOQURUXVDLVHPDBNYHRULNWUYPMVWUYPAMINJBLG | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0012116 | .- / ... -.-. -.-- - .- .-.. . / .. ... / .- / .-. --- -.. / ..- ... . -.. / -... -.-- / ... .--. .- .-. - .- -. ... / - --- / . -. -.-. .-. -.-- .--. - / -- . ... ... .- --. . ... | .- / ... -.-. -.-- - .- .-.. . / .. ... / .- / .-. --- -.. / ..- ... . -.. / -... -.-- / ... .--. .- .-. - .- -. ... / - --- / . -. -.-. .-. -.-- .--. - / -- . ... ... .- --. . ... | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | morse_code | morse_code | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0010757 | EYTEA NTADH CEROM MSRVS EENEH TEEHC EUAIE DEYMD HSRML AITSL KSHER SNSOT EOTRT UHDEU AR | EYTEA NTADH CEROM MSRVS EENEH TEEHC EUAIE DEYMD HSRML AITSL KSHER SNSOT EOTRT UHDEU AR | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | scytale | scytale | null | {
"cols": 4
} | medium | en | 72 | 72 | synthetic_educational | null | null | [] | |
cda-0018688 | 13.3.3 13.5.2 12.2.9 14.2.10 3.5.6 18.5.8 19.5.10 8.1.2 8.5.4 15.3.3 8.3.10 19.5.10 16.3.7 14.5.9 15.6.7 2.1.10 15.6.7 15.5.5 7.1.2 4.5.10 5.3.10 20.2.2 18.2.3 18.4.3 8.6.2 20.1.4 6.1.7 9.1.6 17.5.6 4.3.7 1.4.8 19.5.10 8.3.2 6.6.8 3.4.9 5.2.10 7.5.10 7.3.5 10.5.8 16.2.9 10.1.4 15.6.3 12.5.4 10.2.4 4.6.8 4.3.10 20.6.4 8... | 13.3.3 13.5.2 12.2.9 14.2.10 3.5.6 18.5.8 19.5.10 8.1.2 8.5.4 15.3.3 8.3.10 19.5.10 16.3.7 14.5.9 15.6.7 2.1.10 15.6.7 15.5.5 7.1.2 4.5.10 5.3.10 20.2.2 18.2.3 18.4.3 8.6.2 20.1.4 6.1.7 9.1.6 17.5.6 4.3.7 1.4.8 19.5.10 8.3.2 6.6.8 3.4.9 5.2.10 7.5.10 7.3.5 10.5.8 16.2.9 10.1.4 15.6.3 12.5.4 10.2.4 4.6.8 4.3.10 20.6.4 8... | THE VIGENERE CIPHER USES A REPEATING KEYWORD THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | arnold_andre | arnold_andre | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
bazeries-v2-0556 | FOHKHEQKFOEGDFQPFADTBUKHQEOSIPFHOEHAOHUBOQLVLKPBLORKHMLPPQBJLQHTOSFHPHAQ | FOHKHEQKFOEGDFQPFADTBUKHQEOSIPFHOEHAOHUBOQLVLKPBLORKHMLPPQBJLQHTOSFHPHAQ | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0013 | LAEUHONTISTCSDRSEDEUR | LAEUHONTISTCSDRSEDEUR | THE CASTLE IS SURROUNDED | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
affine-v2-1780 | AQVUH WM HUBHUGB | AQVUH WM HUBHUGB | COVER MY RETREAT | affine | affine | substitution | {
"a": 23,
"b": 6
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
stager-route-170 | TTRVITTSIIDEFTTOAMIIOHEFSTPNTAIEATOSTHCOAOWARAFLREEELRH | TTRVITTSIIDEFTTOAMIIOHEFSTPNTAIEATOSTHCOAOWARAFLREEELRH | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | stager_route | stager_route | transposition | {
"type": "integer",
"value": 5
} | expert | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
scytale-v2-0222 | TAMDTAAOAHNWBYNMTRENAYIDEHXZTSRNBREXIEDOLRIGXMLEOOOCRXMECMNUAEXEGOFDGIAXRRDOOHNTXMAERNTTWX | TAMDTAAOAHNWBYNMTRENAYIDEHXZTSRNBREXIEDOLRIGXMLEOOOCRXMECMNUAEXEGOFDGIAXRRDOOHNTXMAERNTTWX | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 90 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0014816 | NEHURSSEMIACTBWVUGMRRWPVEDHITDGZUYIHMJEGOXMFVPIOUEGGVSVRNEWKERPJXTYQTHOSLDIJLEQMGUPENSZLAVYRERIVZZIPSENNTMEYSUMHZFYFMGAKAGTPPAVJGSRRVXL | NEHURSSEMIACTBWVUGMRRWPVEDHITDGZUYIHMJEGOXMFVPIOUEGGVSVRNEWKERPJXTYQTHOSLDIJLEQMGUPENSZLAVYRERIVZZIPSENNTMEYSUMHZFYFMGAKAGTPPAVJGSRRVXL | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | running_key | running_key | null | {} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
straddling-checkerboard-v2-0056 | 827357435474252049572601542516029207642027121724200235629124873129128821164765624873129122120425 | 827357435474252049572601542516029207642027121724200235629124873129128821164765624873129122120425 | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 96 | 96 | cipher_museum | 2.0 | public | null | null |
purple-v3-0132 | OADDGYGHBVBOCKHTAZOTXZFMSCI | OADDGYGHBVBOCKHTAZOTXZFMSCI | DONT FIRE TILL YOU SEE THE WHITES | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
sigaba-210 | GDRQNGWRQAL | GDRQNGWRQAL | RALLY AT DAWN | sigaba | sigaba | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
cda-0010995 | JNERA TWNWG IKTUG WRNM IRGR FDA OGG GVEWG WG SSYZT FDA NCDHKNA VNUSAHPAG ARKOTUHYU FQH RXU IQMYKLCLA | JNERA TWNWG IKTUG WRNM IRGR FDA OGG GVEWG WG SSYZT FDA NCDHKNA VNUSAHPAG ARKOTUHYU FQH RXU IQMYKLCLA | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | beaufort | beaufort | null | {
"key": "KEY"
} | hard | en | 84 | 84 | synthetic_educational | null | null | [] | |
confederate-vigenere-v2-0488 | OXGUEHLQTYAHBRPHPMWTQUIOWPDZTZYJEGSEGGHUIHAYOAGUTVKUYOKPSFLWLWQAZVGMJTSPXBSYHOAYOAGHUIOTCPWMGJIOHLWDYWTLPIYEZXVVPHSHPKAOYPJEGPJLIEVANOPJ | OXGUEHLQTYAHBRPHPMWTQUIOWPDZTZYJEGSEGGHUIHAYOAGUTVKUYOKPSFLWLWQAZVGMJTSPXBSYHOAYOAGHUIOTCPWMGJIOHLWDYWTLPIYEZXVVPHSHPKAOYPJEGPJLIEVANOPJ | 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 | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
cda-0018791 | SCQC TEZU OAQD GAXZ KATO COYO XLCH ADEU XRDG NYCI CXZJ | SCQC TEZU OAQD GAXZ KATO COYO XLCH ADEU XRDG NYCI CXZJ | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | vernam | vernam | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
straddling-checkerboard-v2-0269 | 952122212922331242223528285743 | 952122212922331242223528285743 | CODED MESSAGE FOLLOWS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
cda-0018283 | 64 45 32 67 96 23 91 58 1 81 50 63 72 50 49 68 59 45 81 27 63 63 39 93 33 50 35 26 39 32 40 15 2 3 23 99 35 34 41 63 91 59 76 70 68 78 93 21 23 25 94 23 59 15 64 33 53 72 61 21 26 49 70 21 66 64 33 15 21 33 66 50 1 32 50 22 46 14 96 87 96 14 22 | 64 45 32 67 96 23 91 58 1 81 50 63 72 50 49 68 59 45 81 27 63 63 39 93 33 50 35 26 39 32 40 15 2 3 23 99 35 34 41 63 91 59 76 70 68 78 93 21 23 25 94 23 59 15 64 33 53 72 61 21 26 49 70 21 66 64 33 15 21 33 66 50 1 32 50 22 46 14 96 87 96 14 22 | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE INDEX OF COINCIDENCE IS A USEFUL CLUE | homophonic | homophonic | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
pigpen-v2-0028 | ¬ ┤• ╱ ┐• ⌐ ┌ ┼ ┐ ┼• ├ ⌐ ┐• ┴• ┼• ┼ ╲ ╲ | ¬ ┤• ╱ ┐• ⌐ ┌ ┼ ┐ ┼• ├ ⌐ ┐• ┴• ┼• ┼ ╲ ╲ | COURAGE IN DARKNESS | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 23 | 39 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0425 | RENDERRUANSTEOAC | RENDERRUANSTEOAC | RENDER UNTO CAESAR | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
voynich-render-039 | siqgzrd soviqx gcd aife ore gcd aqovd jci eoqd gi oyg | siqgzrd soviqx gcd aife ore gcd aqovd jci eoqd gi oyg | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 43 | 53 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v2-0079 | 90 34 81 55 49 63 56 91 90 33 24 91 90 45 53 28 10 55 54 85 91 90 33 34 91 90 10 61 56 91 90 60 87 85 22 25 81 39 54 91 90 42 31 91 90 76 87 55 23 56 40 81 10 28 37 43 91 90 87 34 82 91 90 33 55 24 91 90 48 61 81 63 87 37 10 54 53 43 91 90 81 63 56 91 90 55 53 28 87 85 22 52 54 24 91 90 81 34 21 91 90 48 33 63 37 60 56... | 90 34 81 55 49 63 56 91 90 33 24 91 90 45 53 28 10 55 54 85 91 90 33 34 91 90 10 61 56 91 90 60 87 85 22 25 81 39 54 91 90 42 31 91 90 76 87 55 23 56 40 81 10 28 37 43 91 90 87 34 82 91 90 33 55 24 91 90 48 61 81 63 87 37 10 54 53 43 91 90 81 63 56 91 90 55 53 28 87 85 22 52 54 24 91 90 81 34 21 91 90 48 33 63 37 60 56... | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 218 | 326 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0077 | 172 151 163 163 141 175 107 120 172 166 117 181 158 102 140 125 151 152 167 139 167 164 143 172 106 131 170 108 127 122 154 175 172 157 141 175 154 133 154 105 127 166 172 151 152 163 163 141 175 161 170 166 136 127 154 135 166 108 182 151 171 173 107 120 172 | 172 151 163 163 141 175 107 120 172 166 117 181 158 102 140 125 151 152 167 139 167 164 143 172 106 131 170 108 127 122 154 175 172 157 141 175 154 133 154 105 127 166 172 151 152 163 163 141 175 161 170 166 136 127 154 135 166 108 182 151 171 173 107 120 172 | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 195 | 259 | cipher_museum | 2.0 | public | null | null |
cda-0005706 | PITR RREV SEOH OODD EERI UNRE VESE TDNR DNUI QAEN BFUD EFIR ESEE ESSG USPG LRCE SUGY MASA LFEI ETEK IATS CLNS NNTT GEST NHAE CSUE ADEY EHTM RLAS CETY | PITR RREV SEOH OODD EERI UNRE VESE TDNR DNUI QAEN BFUD EFIR ESEE ESSG USPG LRCE SUGY MASA LFEI ETEK IATS CLNS NNTT GEST NHAE CSUE ADEY EHTM RLAS CETY | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | scytale | scytale | null | {
"cols": 6
} | hard | en | 120 | 120 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
cardano-autokey-v2-0055 | MRDKMTSBFKALVEIDZXOVVISMLIVRQHVJSTTPEDAMTMHLZQILKAVIMWXALAWRZVGALIESLBAGJZV | MRDKMTSBFKALVEIDZXOVVISMLIVRQHVJSTTPEDAMTMHLZQILKAVIMWXALAWRZVGALIESLBAGJZV | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0329 | MIASHZJFGXDEZMOSKUHZPUPWIGDVKOGQSMOMIVCBSHYBAVVBGCYIUMEDAPTPDNXFARSGZVNMVDYWZ | MIASHZJFGXDEZMOSKUHZPUPWIGDVKOGQSMOMIVCBSHYBAVVBGCYIUMEDAPTPDNXFARSGZVNMVDYWZ | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | kryha | kryha | machine | {
"type": "keyword",
"value": "PRAGUE"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0015131 | 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 Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X | 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 Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | pigpen | pigpen | null | {} | medium | en | 35 | 35 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
kryptos-v3-0183 | WVSSXYBSKWXBYLTMFVYJPWVSYDILDPXTGVBSKWXMQGQEBMDMURHFQBGBSGXZYYGKEQMDKEKFEOFTLKHWYVTB | WVSSXYBSKWXBYLTMFVYJPWVSYDILDPXTGVBSKWXMQGQEBMDMURHFQBGBSGXZYYGKEQMDKEKFEOFTLKHWYVTB | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
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