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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
vic-v2-0262 | 808892478331878174858739191 | 808892478331878174858739191 | COURAGE IN DARKNESS | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
zimmermann-v2-0011 | 99999 90019 90000 90017 90006 90004 90019 99998 99999 90000 90002 90016 90020 90008 90017 90004 90003 99998 | 99999 90019 90000 90017 90006 90004 90019 99998 99999 90000 90002 90016 90020 90008 90017 90004 90003 99998 | TARGET ACQUIRED | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 90 | 107 | cipher_museum | 2.0 | public | null | null |
null-cipher-035 | that each have outc to tnsa has part raei this eioc tell take utna her | that each have outc to tnsa has part raei this eioc tell take utna her | THE COAST IS CLEAR | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "last"
} | advanced | en | 56 | 70 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v3-0260 | URBBHZUUKRGEPMVGHHAHTZUCRQVONAHZODGKWZVIFOEVLENNQURVZETVNZGWSTIDYPRGKVRGK | URBBHZUUKRGEPMVGHHAHTZUCRQVONAHZODGKWZVIFOEVLENNQURVZETVNZGWSTIDYPRGKVRGK | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0015905 | VTSPA GLJSM AILZH OAXBT PTBDK PMICZ YGXFY KDIVV W | VTSPA GLJSM AILZH OAXBT PTBDK PMICZ YGXFY KDIVV W | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | one_time_pad | one_time_pad | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
kama-sutra-v3-0161 | WC HQKHQHWR XQM PLRCQM WIL KYCQWHLY CK ISDXQ FQCTELMJL OXEEU WC LXOI JLQLYXWHCQ XQLT | WC HQKHQHWR XQM PLRCQM WIL KYCQWHLY CK ISDXQ FQCTELMJL OXEEU WC LXOI JLQLYXWHCQ XQLT | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 71 | 84 | cipher_museum | 2.0 | public | null | null |
vic-v3-0109 | 58593488908348088693788180824 | 58593488908348088693788180824 | LOWER THE DRAWBRIDGE | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0211 | ONLERSINAUOWBNYMOTDETIA | ONLERSINAUOWBNYMOTDETIA | ROME WAS NOT BUILT IN ONE DAY | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0192 | XMNFGGZBWIHRMLDNBQBAVQAFMCIAAOXVFRLWAOQENHZLIYLFZEZMLXFOJEHQZOSQVTHUGNXQQZUWM | XMNFGGZBWIHRMLDNBQBAVQAFMCIAAOXVFRLWAOQENHZLIYLFZEZMLXFOJEHQZOSQVTHUGNXQQZUWM | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0354 | PVLEAHFASEPMJLHZVVJHXGSMWDJSYZUWDHTXYEVJITWQTXRJHFPBOYSXNYVIEADIZJEFSAIZXP | PVLEAHFASEPMJLHZVVJHXGSMWDJSYZUWDHTXYEVJITWQTXRJHFPBOYSXNYVIEADIZJEFSAIZXP | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ADMIRAL"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
vic-v3-0323 | 526899112909383802809190486802 | 526899112909383802809190486802 | MEASURE TWICE CUT ONCE | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0456 | FTJNPQNTEKBBCSOIETGGCSJPHPNGTGGESATEAGUFMCNLWLHQBQIEYNWLVBVABZXTTFQQANELLWOJR | FTJNPQNTEKBBCSOIETGGCSJPHPNGTGGESATEAGUFMCNLWLHQBQIEYNWLVBVABZXTTFQQANELLWOJR | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0019925 | KNOW NEXA CTRO UTEC AUSE KNIF EHOL DSOP ENSF ORCE FINA LSHO REPL ACER IGHT INTE LNOR THCA RRYI NTEL PLAC ELOW EREI GHTS HORE ARRA YYOU NGST AGET RACK HOUS E | KNOW NEXA CTRO UTEC AUSE KNIF EHOL DSOP ENSF ORCE FINA LSHO REPL ACER IGHT INTE LNOR THCA RRYI NTEL PLAC ELOW EREI GHTS HORE ARRA YYOU NGST AGET RACK HOUS E | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0011280 | STECT REGWI CHOBH ULHIP LEELI AEARR EOHRI UBOSL ANCAR NRNYT RTHFT AISIA KECDP RTDEM NSTCA TILYH SEFIL CUPBS XELSC PNUAP YPEFT PIITP EEFTT RANLG HIEET XXSAM PAPTD TEOTE RAHU | STECT REGWI CHOBH ULHIP LEELI AEARR EOHRI UBOSL ANCAR NRNYT RTHFT AISIA KECDP RTDEM NSTCA TILYH SEFIL CUPBS XELSC PNUAP YPEFT PIITP EEFTT RANLG HIEET XXSAM PAPTD TEOTE RAHU | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | stager_route | stager_route | null | {
"cols": 8
} | hard | en | 144 | 144 | synthetic_educational | null | null | [] | |
cda-0021466 | QOKEE DYRCH EOLSH EOLCT AIINO KALCH EOLCH ORSHA LSHED YLKAI INSHA RALOT AIINO KEDYO KAINQ OKEDY OKEDY QOKEE DYOTE DYCTA IINKA IIINS HORSH AIINY KCHEO LLKAI INQOK EEDYC HEOLO XEDQO KALOK AINCH OLCHO LDAII NCHED YKAII INQOT EDYSH ARALA IIINQ OKEED YSHEE DYYTE DYOXE DQOKE DYCTA IINCH OLYPC HOLOK AINCH EDYCH EDYOT EDYYP CH... | QOKEE DYRCH EOLSH EOLCT AIINO KALCH EOLCH ORSHA LSHED YLKAI INSHA RALOT AIINO KEDYO KAINQ OKEDY OKEDY QOKEE DYOTE DYCTA IINKA IIINS HORSH AIINY KCHEO LLKAI INQOK EEDYC HEOLO XEDQO KALOK AINCH OLCHO LDAII NCHED YKAII INQOT EDYSH ARALA IIINQ OKEED YSHEE DYYTE DYOXE DQOKE DYCTA IINCH OLYPC HOLOK AINCH EDYCH EDYOT EDYYP CH... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | voynich_render | voynich_render | null | {} | hard | en | 315 | 315 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
beaufort-296 | OAFPKCZWPNSAMKDAEJGYZHMFWVNLCRKFLNMRQTIXFDYQHSZNMFAWDUEVWRUEVRCZWGPFXLRWWSGELQNUTAFZSLQUVADXOEODJKMPHITJAGZKFVKZIQMKAEAGZUJWNOTQMIVNKDASSBNMKTCSDMDTA | OAFPKCZWPNSAMKDAEJGYZHMFWVNLCRKFLNMRQTIXFDYQHSZNMFAWDUEVWRUEVRCZWGPFXLRWWSGELQNUTAFZSLQUVADXOEODJKMPHITJAGZKFVKZIQMKAEAGZUJWNOTQMIVNKDASSBNMKTCSDMDTA | 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 | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
four-square-v2-0254 | IZNQIIQDFLGMALOTPSEBUC | IZNQIIQDFLGMALOTPSEBUC | EXTRACTION POINT CHANGED | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0069 | IFNVFMGJLKJUPROQOVXFCVCCKFKCAQYYAINLFVQIQJUUEYWIJUSOPBYIZMNYZZEDRGNCDSIOSJGF | IFNVFMGJLKJUPROQOVXFCVCCKFKCAQYYAINLFVQIQJUUEYWIJUSOPBYIZMNYZZEDRGNCDSIOSJGF | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
diana-v3-0519 | JJTTVOAAAWAACMSVXQCXYVNLXZFMQRRALKXLAPTZMEQKANROKYJRACKHRAALWKUBPQRASYOGBIDXMUZQCPGZBOLXZVIOFCNFZTFEETFWENRRBLZISYXWLMMONANDVTYNMWXBMUZWRKKBUJYAQMINNNJVMIEXWTAGZZRSAMGKFECQAKLONEUVBG | JJTTVOAAAWAACMSVXQCXYVNLXZFMQRRALKXLAPTZMEQKANROKYJRACKHRAALWKUBPQRASYOGBIDXMUZQCPGZBOLXZVIOFCNFZTFEETFWENRRBLZISYXWLMMONANDVTYNMWXBMUZWRKKBUJYAQMINNNJVMIEXWTAGZZRSAMGKFECQAKLONEUVBG | 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 | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
hill-v2-0381 | NPBODMGFUREN | NPBODMGFUREN | HOLD THE LINE | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-de-038 | GUCDHNIRUETIEDTRIITENIEKNHFE | GUCDHNIRUETIEDTRIITENIEKNHFE | EINIGKEIT UND RECHT UND FREIHEIT | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | de | 28 | 28 | cipher_museum | 0.2 | public | null | null |
commercial-code-v2-0018 | ZUZUZ BAZUZ DEZUZ BAZUZ LAZUZ ZAZUZ XUZUZ ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ XAZUZ LAZUZ JAZUZ RAZUZ BAZUZ PAZUZ XUZUZ | ZUZUZ BAZUZ DEZUZ BAZUZ LAZUZ ZAZUZ XUZUZ ZUZUZ QAZUZ GEZUZ XUZUZ ZUZUZ XAZUZ LAZUZ JAZUZ RAZUZ BAZUZ PAZUZ XUZUZ | AWAIT MY SIGNAL | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 95 | 113 | cipher_museum | 2.0 | public | null | null |
cda-0020693 | 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 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 | 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 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 | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 107 | 107 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
hist-beale-001 | 115 73 24 807 37 52 49 17 31 62 647 22 7 15 140 47 29 107 79 84 56 239 10 26 811 5 196 308 85 52 160 136 59 211 36 9 46 316 554 122 106 95 53 58 2 42 7 35 122 53 31 82 77 250 196 56 96 118 71 140 287 28 353 37 1005 65 147 807 24 3 8 12 47 43 59 807 45 316 101 41 78 154 1005 122 138 191 16 77 49 102 57 72 34 73 85 35 37... | 115 73 24 807 37 52 49 17 31 62 647 22 7 15 140 47 29 107 79 84 56 239 10 26 811 5 196 308 85 52 160 136 59 211 36 9 46 316 554 122 106 95 53 58 2 42 7 35 122 53 31 82 77 250 196 56 96 118 71 140 287 28 353 37 1005 65 147 807 24 3 8 12 47 43 59 807 45 316 101 41 78 154 1005 122 138 191 16 77 49 102 57 72 34 73 85 35 37... | ICOMMENCEATTHEPOINTMARKEDWITHANXINTHEGROUNDANDSHALLFINDACONCEALEDENTRANCETOANUNDERGROUNDCHAMBER | book_cipher | book_cipher | codebook | {
"type": "none",
"value": null,
"label": "Declaration of Independence (word position → first letter)"
} | expert | en | 225 | 321 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v3-0528 | WPJDQBSEKQKJEPPV | WPJDQBSEKQKJEPPV | THE SENATE DECREES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
great-cipher-134 | 139 132 123 177 159 149 106 105 106 181 127 | 139 132 123 177 159 149 106 105 106 181 127 | ALL IS LOST RETREAT | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 33 | 43 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v2-0221 | UJPQXIIYNVWAMGVTXQOCYUSNJYLRGUMHCERXFGTMPNXBTKTFGGUYZXUJZQWLIVJUMQLSMUMRTZONBOSZOL | UJPQXIIYNVWAMGVTXQOCYUSNJYLRGUMHCERXFGTMPNXBTKTFGGUYZXUJZQWLIVJUMQLSMUMRTZONBOSZOL | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
trithemius-038 | TIG UIUUYBB YQ YL RTQKZ AUQA YCDN HTHEYRF MGKRSRFPJVV | TIG UIUUYBB YQ YL RTQKZ AUQA YCDN HTHEYRF MGKRSRFPJVV | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 45 | 53 | cipher_museum | 0.2 | public | null | null |
adfgx-v3-0389 | GGAXGGGGDAADFAXXAGDADDXGXDGDXGDG | GGAXGGGGDAADFAXXAGDADDXGXDGDXGDG | RENDER UNTO CAESAR | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 32 | 32 | cipher_museum | 2.0 | public | null | null |
cda-0009105 | KTSSH IXINO RHNNX MATDX RMORE XDKIX ECOWS ARAIE ESREA PIOAX IMTXT PTIFX NXGTR TIEEX | KTSSH IXINO RHNNX MATDX RMORE XDKIX ECOWS ARAIE ESREA PIOAX IMTXT PTIFX NXGTR TIEEX | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TOMORROW | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "PATTERN"
} | medium | en | 70 | 70 | synthetic_educational | null | null | [] | |
cda-0015133 | three hours exact right along intel local force extra north clear exact could input point heads enter radio wings radio issue takes enemy stage three | three hours exact right along intel local force extra north clear exact could input point heads enter radio wings radio issue takes enemy stage three | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0012966 | TURNS HOURS EXACT LINES ISSUE BASIS ROADS AMONG RAIDS YIELD POINT RANGE EXTRA STAGE ENEMY RANGE VITAL EXACT SWIFT KEEPS NOTES OFTEN WIDTH LARGE EIGHT | TURNS HOURS EXACT LINES ISSUE BASIS ROADS AMONG RAIDS YIELD POINT RANGE EXTRA STAGE ENEMY RANGE VITAL EXACT SWIFT KEEPS NOTES OFTEN WIDTH LARGE EIGHT | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
m94-020 | PWFCVIDGHKFUPVDYX | PWFCVIDGHKFUPVDYX | CRYPTOGRAPHY RULES | m94 | m94 | machine | {
"type": "seed",
"value": "M94"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
voynich-render-v2-0076 | off zrkgx nqiydde gi edxkhrogde qoffu nikrgx ore ojokg szqgcdq iqedqx sqil ckhc yillore rij | off zrkgx nqiydde gi edxkhrogde qoffu nikrgx ore ojokg szqgcdq iqedqx sqil ckhc yillore rij | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 77 | 91 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0460 | GPIVEGFEGUKFESCOLUKCEZTTOSUCHYZOLIRWEJSOFDONUTOAHYHAJGPEHEFESZUDHIWXAAYNIIKXEZPOW | GPIVEGFEGUKFESCOLUKCEZTTOSUCHYZOLIRWEJSOFDONUTOAHYHAJGPEHEFESZUDHIWXAAYNIIKXEZPOW | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0320 | DUTHJQKDMPNHYTLG | DUTHJQKDMPNHYTLG | THE SENATE DECREES | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
kryha-v3-0138 | WLNGDDDWOSDHUFKJW | WLNGDDDWOSDHUFKJW | OLD IRONSIDES HOLDS | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0013799 | MOIEW AWKAQ IEQEO IIIAE IWEMK EAQIK CKWIM MIIKK QYOWM AAICO KWWYY IFFEL HYIEC TNZMJ GNPIC KXSAW MRCQN ALXKW UAYZM JSTNQ XFCYC YIOJG PQSJN KZGAT ETFWR UZKEE WRIXY WFX | MOIEW AWKAQ IEQEO IIIAE IWEMK EAQIK CKWIM MIIKK QYOWM AAICO KWWYY IFFEL HYIEC TNZMJ GNPIC KXSAW MRCQN ALXKW UAYZM JSTNQ XFCYC YIOJG PQSJN KZGAT ETFWR UZKEE WRIXY WFX | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | running_key | running_key | null | {} | hard | en | 138 | 138 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
confederate-vigenere-v2-0035 | UNTQKAWMVLET | UNTQKAWMVLET | IN GOD WE TRUST | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0056 | P6 K6 V4 C3 I4 R7 C1 A9 I4 L1 B8 Y6 L6 S7 Q6 U6 T7 L5 I1 H2 L1 L9 K7 N3 I5 J9 S1 S6 A5 K6 T2 C4 P5 A9 A5 N3 K3 N7 U6 I5 M8 B3 A1 C8 K8 Q7 L5 N2 A1 C4 O5 T0 T9 S1 N7 K7 B3 S3 C8 R8 Q7 R1 O2 C9 A3 O4 T4 | P6 K6 V4 C3 I4 R7 C1 A9 I4 L1 B8 Y6 L6 S7 Q6 U6 T7 L5 I1 H2 L1 L9 K7 N3 I5 J9 S1 S6 A5 K6 T2 C4 P5 A9 A5 N3 K3 N7 U6 I5 M8 B3 A1 C8 K8 Q7 L5 N2 A1 C4 O5 T0 T9 S1 N7 K7 B3 S3 C8 R8 Q7 R1 O2 C9 A3 O4 T4 | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 134 | 200 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0149 | 75 37 83 28 16 13 17 81 20 67 66 56 63 44 22 70 23 67 69 75 | 75 37 83 28 16 13 17 81 20 67 66 56 63 44 22 70 23 67 69 75 | STEAM POWER TRANSFORMS | argenti | argenti | nomenclator | {
"type": "seed",
"value": "PAPAL"
} | expert | en | 40 | 59 | cipher_museum | 2.0 | public | null | null |
cda-0021855 | 68 57 68 29 66 59 80 50 29 25 20 80 69 55 82 82 29 50 25 77 68 89 50 66 36 52 80 50 20 61 68 29 11 66 36 82 20 69 77 20 82 77 68 52 36 50 29 82 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... | 68 57 68 29 66 59 80 50 29 25 20 80 69 55 82 82 29 50 25 77 68 89 50 66 36 52 80 50 20 61 68 29 11 66 36 82 20 69 77 20 82 77 68 52 36 50 29 82 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... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | wallis_cipher | wallis_cipher | null | {} | hard | en | 210 | 210 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
solitaire-v3-0193 | VXJEPIZLGIIBOOQVBCAHEIDDQPOZRUJJRLTEPKVWSZGIFLVHYANAGHJUBMQGBBYBVIXEUOAEOWDPKBBJPOS | VXJEPIZLGIIBOOQVBCAHEIDDQPOZRUJJRLTEPKVWSZGIFLVHYANAGHJUBMQGBBYBVIXEUOAEOWDPKBBJPOS | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
sigaba-227 | MYEMVFPMLZDYWBDGMFNPNYNRSQNRRVBMQIFYKMPNJAMOKRKVS | MYEMVFPMLZDYWBDGMFNPNYNRSQNRRVBMQIFYKMPNJAMOKRKVS | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | sigaba | sigaba | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
bazeries-v3-0310 | DYVOTVFTFTOOAGLJHOIYEPGLGOOVVOYEVOLYYLEYMYOTNIMONOFYDINSMRFNVOSGYUOYYNOFYIVOLPOFTFNXYITLPHGOORCNOTYVINDGHDGHGSYHTFYLYENZFTDLPGIXGRRCVOGMSSYYIOLGEFTVVORYLGUYGSRCYQYLL | DYVOTVFTFTOOAGLJHOIYEPGLGOOVVOYEVOLYYLEYMYOTNIMONOFYDINSMRFNVOSGYUOYYNOFYIVOLPOFTFNXYITLPHGOORCNOTYVINDGHDGHGSYHTFYLYENZFTDLPGIXGRRCVOGMSSYYIOLGEFTVVORYLGUYGSRCYQYLL | 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 | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0157 | YNNBMWAGDDYMRBMFDGGVPBQEYYXARTQUDVTBRUAABZQORFHGQHSBJDPPDKTJOXAXJJJRIRNAD | YNNBMWAGDDYMRBMFDGGVPBQEYYXARTQUDVTBRUAABZQORFHGQHSBJDPPDKTJOXAXJJJRIRNAD | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0019967 | otol otol qokeedy chol okshy shedy otedy chedy choldaiin qokeedy dainy dainy okain rcheol dainy okeedy raiin raiin | otol otol qokeedy chol okshy shedy otedy chedy choldaiin qokeedy dainy dainy okain rcheol dainy okeedy raiin raiin | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | voynich_render | voynich_render | null | {} | hard | en | 97 | 97 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0021725 | JWTCH QSPQI GYUNR BXADY XKPKB KZWBC YJMZT EFMVL CXDMS TBQDO DNUGI ZZRSQ FKRZJ QUFLW BEOQY DRKKF WVDKA IBIDO PBGQA FSRXW AOTTH YSNFH IINHV OYJPL JNOGG SMEXW ZNYOK XOAQP AUDOK WUDXP HIULB EUHZV XCSCW HMVDL ARPYM WFYDL VYV | JWTCH QSPQI GYUNR BXADY XKPKB KZWBC YJMZT EFMVL CXDMS TBQDO DNUGI ZZRSQ FKRZJ QUFLW BEOQY DRKKF WVDKA IBIDO PBGQA FSRXW AOTTH YSNFH IINHV OYJPL JNOGG SMEXW ZNYOK XOAQP AUDOK WUDXP HIULB EUHZV XCSCW HMVDL ARPYM WFYDL VYV | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | one_time_pad | one_time_pad | null | {} | hard | en | 183 | 183 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
trifid-v3-0109 | RVTAOTOIFGWOPGHS | RVTAOTOIFGWOPGHS | SOUND THE TRUMPETS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
kryha-159 | VCQVNVSVHHUHINZVLWYEEKHUBBEOQQKVCVQSDJUWPCM | VCQVNVSVHHUHINZVLWYEEKHUBBEOQQKVCVQSDJUWPCM | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | kryha | kryha | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
cda-0020637 | 857 823 812 999 814 839 826 820 837 801 999 836 802 806 822 826 841 814 999 862 856 812 809 999 853 844 858 844 852 856 999 857 844 999 808 852 813 800 859 813 999 800 999 845 843 835 874 801 833 846 822 800 804 814 857 826 806 999 808 824 845 821 812 853 999 820 852 844 840 856 815 814 835 810 999 860 856 812 855 999 ... | 857 823 812 999 814 839 826 820 837 801 999 836 802 806 822 826 841 814 999 862 856 812 809 999 853 844 858 844 852 856 999 857 844 999 808 852 813 800 859 813 999 800 999 845 843 835 874 801 833 846 822 800 804 814 857 826 806 999 808 824 845 821 812 853 999 820 852 844 840 856 815 814 835 810 999 860 856 812 855 999 ... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY A STRONG CLAIM NEEDS STRONG EVIDENCE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | culper_ring | culper_ring | null | {} | hard | en | 176 | 176 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
joseon-yeokhak-157 | EGTCKCJGZCPRWMPEGTCKCBCYRFQYGBNYRPGAIFCLPW | EGTCKCJGZCPRWMPEGTCKCBCYRFQYGBNYRPGAIFCLPW | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "KOREA"
} | beginner | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
vernam-v3-0041 | TIGWIQKNZJZSFEOCIDAMM | TIGWIQKNZJZSFEOCIDAMM | THE TELEGRAPH TRANSMITS | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0127 | YODFOKYAKVXT | YODFOKYAKVXT | THE DIE IS CAST | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0283 | VAKEVETEVEIE | VAKEVETEVEIE | VENI VIDI VICI | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0011849 | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA RIREL FLFGRZ ARRQF NA UBARFG GUERNG ZBQRY GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA RIREL FLFGRZ ARRQF NA UBARFG GUERNG ZBQRY GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE BEST LESSONS SHOW WHERE THE METHOD FAILS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 113 | 113 | synthetic_educational | null | null | [] | |
fractionated-morse-048 | UOBDWJTCVWJIEBIJRVIHPJFRSNANQVVBDWJTNSFBKDVIHPKASEVWKPFAJFJRSNSRPJEX | UOBDWJTCVWJIEBIJRVIHPJFRSNANQVVBDWJTNSFBKDVIHPKASEVWKPFAJFJRSNSRPJEX | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "ROUNDTABLE"
} | advanced | en | 68 | 68 | cipher_museum | 0.2 | public | null | null |
cda-0014316 | 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... | 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... | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN PERHAPS | navajo_code | navajo_code | null | {} | hard | en | 207 | 207 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
cda-0012745 | along motor outer drive extra local cross above naval cover local among stage swift intel final yield parts above turns takes early roads naval shore | along motor outer drive extra local cross above naval cover local among stage swift intel final yield parts above turns takes early roads naval shore | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
kryptos-204 | GJXQIQHQVZ | GJXQIQHQVZ | TRUST NO ONE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
confederate-vigenere-v3-0529 | MMPNWSOEZJKCOKBL | MMPNWSOEZJKCOKBL | RENDER UNTO CAESAR | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
hill-087 | AJRLZIRIEGRL | AJRLZIRIEGRL | THE TRAP IS SET | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
playfair-v3-0540 | TUNVDHTUQIDGGTNGRIANPCENEVCUVIQHIGTUQIFNIFQSUNOEQEEODHXTUTRADGFICQPOUIURKZHCVEUFCUPOBS | TUNVDHTUQIDGGTNGRIANPCENEVCUVIQHIGTUQIFNIFQSUNOEQEEODHXTUTRADGFICQPOUIURKZHCVEUFCUPOBS | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
diana-v2-0027 | KMASNRQMSCEGG | KMASNRQMSCEGG | HONOR ABOVE ALL | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-125 | CSTSEALEIRHTAOC | CSTSEALEIRHTAOC | THE COAST IS CLEAR | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v2-0090 | DA2YSQLEGOHWNOYSUE5BPHGEMEIAHXLRMETGHPMETPLTYETWZE2EBANOIEBFXTMOOE5PMEJMAPPS | DA2YSQLEGOHWNOYSUE5BPHGEMEIAHXLRMETGHPMETPLTYETWZE2EBANOIEBFXTMOOE5PMEJMAPPS | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
affine-v2-1238 | IBJQDVJOKBOZ FHWMTOLZ KIJK KIB TWKBAATXBWFB OBSHOK TZ JFFVOJKB JWQ OBDVTOBZ TLLBQTJKB ZRTMK JFKTHW | IBJQDVJOKBOZ FHWMTOLZ KIJK KIB TWKBAATXBWFB OBSHOK TZ JFFVOJKB JWQ OBDVTOBZ TLLBQTJKB ZRTMK JFKTHW | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | affine | affine | substitution | {
"a": 11,
"b": 9
} | beginner | en | 86 | 98 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0187 | PXKKZPPZSZCDQFSZAKHHCOEGEFGZWWSFHBQWNIIDGTHQPWIGQVRLDBKXLNTJBUDOSNHHLKTNUKHOJ | PXKKZPPZSZCDQFSZAKHHCOEGEFGZWWSFHBQWNIIDGTHQPWIGQVRLDBKXLNTJBUDOSNHHLKTNUKHOJ | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
hill-v2-0165 | LIINPJSCGSQWCRJOIBTTHIMO | LIINPJSCGSQWCRJOIBTTHIMO | TORPEDO AWAY ALL HANDS BRACE | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0020675 | LBFHE IRZTQ FPKXW LVVFO RNTTU WLMKL SWEST WMWXW ZQHEE EGXSL KFZLA MUCYQ RPKXW LVTGY BXREU HASER FZNGS TCFWI NMGAE VTGWG GMJLB WGYOM FLUGH AIDFQ ESWAP OZRXL XKAFE DBRTH VP | LBFHE IRZTQ FPKXW LVVFO RNTTU WLMKL SWEST WMWXW ZQHEE EGXSL KFZLA MUCYQ RPKXW LVTGY BXREU HASER FZNGS TCFWI NMGAE VTGWG GMJLB WGYOM FLUGH AIDFQ ESWAP OZRXL XKAFE DBRTH VP | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | running_key | running_key | null | {} | hard | en | 142 | 142 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
beaufort-vg-0099 | FQHWDGWKJUEGEQGBYJLMDZTGPAAKWZFPKLSWNAIJLPHELTOAZBKGDGMVGBXYHJLENYUK | FQHWDGWKJUEGEQGBYJLMDZTGPAAKWZFPKLSWNAIJLPHELTOAZBKGDGMVGBXYHJLENYUK | FOR ALL HAVE SINNED AND FALL SHORT OF THE GLORY OF GOD AND ARE JUSTIFIED BY HIS GRACE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
diana-v2-0099 | RPJGWRPHNCMYNHLGAZRJWMDJPMACLARNVANNZIZFAGGGBEWWJPJYRPJLFNPNAHZNEFAMBGRRF | RPJGWRPHNCMYNHLGAZRJWMDJPMACLARNVANNZIZFAGGGBEWWJPJYRPJLFNPNAHZNEFAMBGRRF | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0016468 | CHOLO TAIIN DAINY SHARA LOKAI NOKEE DYDAL AIIIN SHEOL DARAL QOTED YOKAI NQOTE DYCHO RCHOR | CHOLO TAIIN DAINY SHARA LOKAI NOKEE DYDAL AIIIN SHEOL DARAL QOTED YOKAI NQOTE DYCHO RCHOR | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | voynich_render | voynich_render | null | {} | medium | en | 75 | 75 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
playfair-v2-0218 | LOBSUMBOEFFBATMOPBVGOKCOOKRLQODUGKLFQAFTRURTRKABBYDQOBEFHWBETUPLTFBGPVUFBLCOFDXHOEBDRKAW | LOBSUMBOEFFBATMOPBVGOKCOOKRLQODUGKLFQAFTRURTRKABBYDQOBEFHWBETUPLTFBGPVUFBLCOFDXHOEBDRKAW | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0016245 | 06339 2565 01647 00336 6669 06301 04782 3498 01606 7874 1000 2923 05034 02513 01661 05735 1584 07572 06341 1578 04485 1340 06008 06310 02577 01634 3476 01606 07927 07225 2844 6354 2593 6358 2588 01597 5082 3861 0392 02907 04406 6379 01583 7620 6304 2904 06318 6051 1655 3856 01906 0992 4740 03849 6666 4090 4418 0351 056... | 06339 2565 01647 00336 6669 06301 04782 3498 01606 7874 1000 2923 05034 02513 01661 05735 1584 07572 06341 1578 04485 1340 06008 06310 02577 01634 3476 01606 07927 07225 2844 6354 2593 6358 2588 01597 5082 3861 0392 02907 04406 6379 01583 7620 6304 2904 06318 6051 1655 3856 01906 0992 4740 03849 6666 4090 4418 0351 056... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | zimmermann | zimmermann | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
trifid-v3-0237 | EIHMEJLBGAORUBCSGQDK | EIHMEJLBGAORUBCSGQDK | THE REDCOATS ARE COMING | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
adfgx-107 | XXAXAFXAXGADDGGGFXDAAAFFDAGDGXDGGGFGGDAGFDDDGDGGXADDADXFAAFAFFFGADFAGXXADDFDDDGXXXDGADGDGFGAXXAAXGDAAXGXDDADDAFDDFFA | XXAXAFXAXGADDGGGFXDAAAFFDAGDGXDGGGFGGDAGFDDDGDGGXADDADXFAAFAFFFGADFAGXXADDFDDDGXXXDGADGDGFGAXXAAXGDAAXGXDDADDAFDDFFA | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | adfgx | adfgx | fractionation | {
"polybius": "CIPHER",
"columnar": "MUSEUM"
} | advanced | en | 116 | 116 | cipher_museum | 0.2 | public | null | null |
cda-0007352 | OTITI SEGIT EIREY EPVIT ERIOV NOPEO DENTS LHTIH PWOEE GUOER ITREL NSSPI ROETU TERAR DTUNI TTANA FEAOU LNINC RESOE SIXXN ERNUR RISCD LRCOE APPAS BTESG XXKAC HSWNH OTNWE | OTITI SEGIT EIREY EPVIT ERIOV NOPEO DENTS LHTIH PWOEE GUOER ITREL NSSPI ROETU TERAR DTUNI TTANA FEAOU LNINC RESOE SIXXN ERNUR RISCD LRCOE APPAS BTESG XXKAC HSWNH OTNWE | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE VIGENERE CIPHER USES A REPEATING KEYWORD | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 140 | 140 | synthetic_educational | null | null | [] | |
chinese-telegraph-v2-0219 | 8603 7654 7467 8206 7194 7338 7849 7194 7590 7467 7338 8100 8038 8603 7194 7720 8038 8528 7256 7911 8685 7467 8206 8437 7720 8038 8603 8528 7529 8100 8437 8603 7654 7467 8038 7467 8854 8603 8100 8437 8206 7467 7401 8100 7590 8685 7720 7401 7194 8038 7338 7467 8528 9003 8528 8603 7467 7974 7401 7467 7911 7720 8781 7467 ... | 8603 7654 7467 8206 7194 7338 7849 7194 7590 7467 7338 8100 8038 8603 7194 7720 8038 8528 7256 7911 8685 7467 8206 8437 7720 8038 8603 8528 7529 8100 8437 8603 7654 7467 8038 7467 8854 8603 8100 8437 8206 7467 7401 8100 7590 8685 7720 7401 7194 8038 7338 7467 8528 9003 8528 8603 7467 7974 7401 7467 7911 7720 8781 7467 ... | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 328 | 409 | cipher_museum | 2.0 | public | null | null |
vic-v2-0150 | 6009119028548690189 | 6009119028548690189 | ANNUIT COEPTIS | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
caesar-de-035 | YZM VIBMDAA WZBDIIO WZD HJMBZIBMVPZI | YZM VIBMDAA WZBDIIO WZD HJMBZIBMVPZI | DER ANGRIFF BEGINNT BEI MORGENGRAUEN | caesar | caesar | substitution | {
"type": "shift",
"value": 21
} | beginner | de | 32 | 36 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v3-0223 | ESPDTPRPMPRTYD | ESPDTPRPMPRTYD | THE SIEGE BEGINS | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
bazeries-328 | RSTFFQSPBPISOFS | RSTFFQSPBPISOFS | EVACUATE THE BASE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 56
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0609 | GOWESWCCKPHDPECSCARRGBUUPFTCFWYXHQUIBVBGRTJXKECDPYGWYQZSCXQFPEVQWCMEDQJYPVYEGBAGLAGK | GOWESWCCKPHDPECSCARRGBUUPFTCFWYXHQUIBVBGRTJXKECDPYGWYQZSCXQFPEVQWCMEDQJYPVYEGBAGLAGK | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
enigma-v2-1005 | JSZNPONJVJMEPECRSBWFTXMMHNBGTIWEHZBAEYITLWWXIXNVUULCAVRVXXWQCKRZRAZWINDAMGZMRGJXYCWXTLGDVZIXURKNUFVMIOSKZWKWNGPMSLUPCLIICKWEPAUMVDCOFZYAGOCEWBGQLEQBOWIJQFBHIASSXGR | JSZNPONJVJMEPECRSBWFTXMMHNBGTIWEHZBAEYITLWWXIXNVUULCAVRVXXWQCKRZRAZWINDAMGZMRGJXYCWXTLGDVZIXURKNUFVMIOSKZWKWNGPMSLUPCLIICKWEPAUMVDCOFZYAGOCEWBGQLEQBOWIJQFBHIASSXGR | 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 | enigma | enigma | machine | {
"type": "rotor_start",
"value": "VWX"
} | expert | en | 163 | 163 | cipher_museum | 2.0 | public | null | null |
stager-route-192 | CKNGEIPYEDCHEHXXAR | CKNGEIPYEDCHEHXXAR | CIPHER KEY CHANGED | stager_route | stager_route | transposition | {
"type": "integer",
"value": 6
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0021692 | 2552 6667 4085 00341 04469 5722 1596 0338 1329 0392 0647 3774 1647 4721 6680 06330 5046 06634 6302 06003 02561 4746 06634 3818 01299 5988 2598 4713 07295 00317 03865 03858 5691 1593 0355 06001 4733 04435 02901 04402 2273 05998 6329 1628 5087 05971 2221 04804 04788 1264 01652 1300 6685 01040 0326 6338 2902 04742 04426 0... | 2552 6667 4085 00341 04469 5722 1596 0338 1329 0392 0647 3774 1647 4721 6680 06330 5046 06634 6302 06003 02561 4746 06634 3818 01299 5988 2598 4713 07295 00317 03865 03858 5691 1593 0355 06001 4733 04435 02901 04402 2273 05998 6329 1628 5087 05971 2221 04804 04788 1264 01652 1300 6685 01040 0326 6338 2902 04742 04426 0... | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | zimmermann | zimmermann | null | {} | hard | en | 208 | 208 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
kryha-v3-0150 | CNEAXBZVAYUBZOM | CNEAXBZVAYUBZOM | THE FACTORY ROARS | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
vic-v2-0174 | 9319083846512490859368880085049319083283688190958185886555490918971080918690834069018508993859108089608083465 | 9319083846512490859368880085049319083283688190958185886555490918971080918690834069018508993859108089608083465 | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 109 | 109 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0180 | 09999 09906 09901 09913 09903 09994 09908 09996 09993 09904 09903 09908 09903 09901 09999 09991 09991 09906 09903 09907 09907 09993 09907 09908 09996 09993 09906 09999 09904 09904 09999 09996 09999 09902 09902 09903 09991 09909 09908 09903 09902 09997 09995 09996 09908 09999 09990 09907 09903 09900 09919 09908 09993 09... | 09999 09906 09901 09913 09903 09994 09908 09996 09993 09904 09903 09908 09903 09901 09999 09991 09991 09906 09903 09907 09907 09993 09907 09908 09996 09993 09906 09999 09904 09904 09999 09996 09999 09902 09902 09903 09991 09909 09908 09903 09902 09997 09995 09996 09908 09999 09990 09907 09903 09900 09919 09908 09993 09... | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 375 | 449 | cipher_museum | 2.0 | public | null | null |
diana-v2-0029 | CAUYAEPWMPWELISYCYDJP | CAUYAEPWMPWELISYCYDJP | PATIENCE BRINGS VICTORY | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0286 | OISAGGTZNEOIRMRYCQAHBVIBZDIFCSFCTQOJJBRCSEDHBXJBBYKBQUIUITBNQDBDJEICRKRYCARJ | OISAGGTZNEOIRMRYCQAHBVIBZDIFCSFCTQOJJBRCSEDHBXJBBYKBQUIUITBNQDBDJEICRKRYCARJ | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0292 | OLGFTOMVCGVLNSMRGIDLYMLP | OLGFTOMVCGVLNSMRGIDLYMLP | NORTH STAR HOLDS FIRM COURSE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
aeneas-tacticus-v3-0034 | 15 12 4 9 18 15 14 19 9 4 5 19 8 15 12 4 19 | 15 12 4 9 18 15 14 19 9 4 5 19 8 15 12 4 19 | OLD IRONSIDES HOLDS | aeneas_tacticus | aeneas_tacticus | steganography | {
"type": "none",
"value": null
} | expert | en | 27 | 43 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0193 | 7720 8038 8603 7654 7467 7256 7467 7590 7720 8038 8038 7720 8038 7590 7590 8100 7401 7338 8437 7467 7194 8603 7467 7401 8603 7654 7467 7654 7467 7194 8781 7467 8038 7194 8038 7401 8603 7654 7467 7467 7194 8437 8603 7654 7194 8038 7401 7401 7194 8437 7849 8038 7467 8528 8528 8854 7194 8528 8685 8206 8100 8038 8603 7654 ... | 7720 8038 8603 7654 7467 7256 7467 7590 7720 8038 8038 7720 8038 7590 7590 8100 7401 7338 8437 7467 7194 8603 7467 7401 8603 7654 7467 7654 7467 7194 8781 7467 8038 7194 8038 7401 8603 7654 7467 7467 7194 8437 8603 7654 7194 8038 7401 7401 7194 8437 7849 8038 7467 8528 8528 8854 7194 8528 8685 8206 8100 8038 8603 7654 ... | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 300 | 374 | cipher_museum | 2.0 | public | null | null |
culper-ring-v2-0006 | 100 998 815 800 818 818 999 106 998 807 804 811 803 999 | 100 998 815 800 818 818 999 106 998 807 804 811 803 999 | THE PASS IS HELD | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 42 | 55 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0086 | TISSTNEIPHGNEOERTHEEEQDTGEERNTHEUPSKATEETEHEKEROKENAFSIITCREFEYXCAYMEENSKDDSILVIX | TISSTNEIPHGNEOERTHEEEQDTGEERNTHEUPSKATEETEHEKEROKENAFSIITCREFEYXCAYMEENSKDDSILVIX | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | stager_route | stager_route | transposition | {
"type": "integer",
"value": 9
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
hill-v3-0121 | OXMUBDZNAMNNLMBUZVDU | OXMUBDZNAMNNLMBUZVDU | THE KING DEMANDS FEALTY | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0482 | TXIVEKEFRULQSJKPGOMLHHLAVXJWMZJBNOQUTRMYIDXTSMKIOJCRUKBLJNUTKQAZWZBEFUPNPP | TXIVEKEFRULQSJKPGOMLHHLAVXJWMZJBNOQUTRMYIDXTSMKIOJCRUKBLJNUTKQAZWZBEFUPNPP | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0013595 | 851 844 860 857 813 999 806 826 847 821 812 852 854 999 853 812 802 811 999 800 999 820 851 826 810 999 825 839 999 801 999 846 853 813 856 807 852 824 803 812 809 999 818 812 844 837 814 857 853 824 806 999 845 802 858 859 812 853 840 999 855 861 805 854 857 825 857 862 857 825 843 841 999 807 824 845 823 814 851 854 ... | 851 844 860 857 813 999 806 826 847 821 812 852 854 999 853 812 802 811 999 800 999 820 851 826 810 999 825 839 999 801 999 846 853 813 856 807 852 824 803 812 809 999 818 812 844 837 814 857 853 824 806 999 845 802 858 859 812 853 840 999 855 861 805 854 857 825 857 862 857 825 843 841 999 807 824 845 823 814 851 854 ... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | culper_ring | culper_ring | null | {} | hard | en | 143 | 143 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
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