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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
kryptos-v3-0095 | DYMLSIBEVRVSANGJCELXMRFQGIMEQNLIEIXFNYELCBWZPUXYIOFNORQZZUXQUOXNFXAJFPVZDYMZSQLUDIXPGALHNXLZLLAPEKBLCFEAGYFXIYBIKRLQHPIYHTMNCFYZGAQHWVMQQPDIVMKRLXEIHYXSHPIBAQHHCELWBIEPUAQ | DYMLSIBEVRVSANGJCELXMRFQGIMEQNLIEIXFNYELCBWZPUXYIOFNORQZZUXQUOXNFXAJFPVZDYMZSQLUDIXPGALHNXLZLLAPEKBLCFEAGYFXIYBIKRLQHPIYHTMNCFYZGAQHWVMQQPDIVMKRLXEIHYXSHPIBAQHHCELWBIEPUAQ | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 171 | 171 | cipher_museum | 2.0 | public | null | null |
cda-0013155 | shal rcheol dainy sheol sharal qotedy okal sharal qotedy ctaiin ypchol cheol chedal ykcheol cheol dal | shal rcheol dainy sheol sharal qotedy okal sharal qotedy ctaiin ypchol cheol chedal ykcheol cheol dal | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | voynich_render | voynich_render | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
hill-177 | VGSCIRHVHUAJQTPQFSDGHURQRQWQFYRQCXHVACUHFYMTOGUHYMDIDIPKXYBEQGPQOHBNYVDKAXWIELQRUHPPIEUNNCEOGKGVUHCURQSTGZKZPOCXHVFYECQOXYBENYWQTFAXOWLGNCAXWLPQSHDDKCCUNKZS | VGSCIRHVHUAJQTPQFSDGHURQRQWQFYRQCXHVACUHFYMTOGUHYMDIDIPKXYBEQGPQOHBNYVDKAXWIELQRUHPPIEUNNCEOGKGVUHCURQSTGZKZPOCXHVFYECQOXYBENYWQTFAXOWLGNCAXWLPQSHDDKCCUNKZS | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | hill | hill | polygraphic | {
"a": 2,
"b": 3,
"c": 1,
"d": 4
} | advanced | en | 156 | 156 | cipher_museum | 0.2 | public | null | null |
cda-0011412 | PFGU VJBP MFKY PESE HFVN WDXF JHTZ ODXY KYQW BPER OGSY WOYM UPWR TFOQ IJJZ IWRZ ZRGI JYJX UOIL BDLU JHHJ ZLKC SGQF HJTZ WLJV PQCQ NTDH JTXL UJUT ZTQA QZEL NJZX W | PFGU VJBP MFKY PESE HFVN WDXF JHTZ ODXY KYQW BPER OGSY WOYM UPWR TFOQ IJJZ IWRZ ZRGI JYJX UOIL BDLU JHHJ ZLKC SGQF HJTZ WLJV PQCQ NTDH JTXL UJUT ZTQA QZEL NJZX W | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TODAY | trithemius | trithemius | null | {} | hard | en | 129 | 129 | synthetic_educational | null | null | [] | |
cda-0012333 | 44 23 15 12 15 43 44 31 15 43 43 34 33 43 43 23 34 52 52 23 15 42 15 44 23 15 32 15 44 23 34 14 21 11 24 31 43 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24... | 44 23 15 12 15 43 44 31 15 43 43 34 33 43 43 23 34 52 52 23 15 42 15 44 23 15 32 15 44 23 34 14 21 11 24 31 43 11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24... | THE BEST LESSONS SHOW WHERE THE METHOD FAILS ATBASH ENCODES BY REVERSING THE ALPHABET DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF TOMORROW | polybius | polybius | null | {} | hard | en | 167 | 167 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
geheimschreiber-v2-0024 | VAJXHIYHSOIJDGUN | VAJXHIYHSOIJDGUN | THE WALLS HAVE EARS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0103 | UCCOMLTPAK+IREEXPEJHNCMYKYO+PVZGGNANQBLOLCAASBHLVHBNG+QVXB++XUJPFMFTCNJMIWUEMXV+ | UCCOMLTPAK+IREEXPEJHNCMYKYO+PVZGGNANQBLOLCAASBHLVHBNG+QVXB++XUJPFMFTCNJMIWUEMXV+ | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0353 | ZNK ZKRKMXGVN ZXGTYSOZY | ZNK ZKRKMXGVN ZXGTYSOZY | THE TELEGRAPH TRANSMITS | caesar | caesar | substitution | {
"type": "shift",
"value": 6
} | beginner | en | 21 | 23 | cipher_museum | 2.0 | public | null | null |
cda-0021282 | 1.4.6 8.37.15 15.14.13 5.48.12 10.14.1 10.38.4 9.30.13 16.36.3 2.50.5 16.5.12 14.37.4 5.46.12 14.50.11 4.50.14 17.35.1 18.15.2 12.33.11 7.45.9 7.13.11 16.7.6 12.47.7 2.13.10 3.15.3 13.42.14 14.2.6 18.37.1 17.48.9 15.32.3 14.41.11 1.44.2 15.26.5 14.41.15 10.1.4 1.16.14 16.8.13 17.45.15 6.44.14 13.32.3 4.29.12 18.25.3 20... | 1.4.6 8.37.15 15.14.13 5.48.12 10.14.1 10.38.4 9.30.13 16.36.3 2.50.5 16.5.12 14.37.4 5.46.12 14.50.11 4.50.14 17.35.1 18.15.2 12.33.11 7.45.9 7.13.11 16.7.6 12.47.7 2.13.10 3.15.3 13.42.14 14.2.6 18.37.1 17.48.9 15.32.3 14.41.11 1.44.2 15.26.5 14.41.15 10.1.4 1.16.14 16.8.13 17.45.15 6.44.14 13.32.3 4.29.12 18.25.3 20... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | book_cipher | book_cipher | null | {} | hard | en | 141 | 141 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
monoalphabetic-537 | CS CQ OPSBFO IKO TQ SK LF BFOF YFYCAPSFY SK SBF ROFPS SPQE OFHPCJCJR LFIKOF TQ SBPS IOKH SBFQF BKJKOFY YFPY VF SPEF CJAOFPQFY YFUKSCKJ SK SBPS APTQF IKO VBCAB SBFX RPUF SBF GPQS ITGG HFPQTOF | CS CQ OPSBFO IKO TQ SK LF BFOF YFYCAPSFY SK SBF ROFPS SPQE OFHPCJCJR LFIKOF TQ SBPS IOKH SBFQF BKJKOFY YFPY VF SPEF CJAOFPQFY YFUKSCKJ SK SBPS APTQF IKO VBCAB SBFX RPUF SBF GPQS ITGG HFPQTOF | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PLAYFAIR"
} | beginner | en | 155 | 190 | cipher_museum | 0.2 | public | null | null |
cda-0017509 | DOUBZ ETRAN SPOSI TIONA PPLIZ SCOLU MNARE NCRYP TIONT WICEM ODERZ ENCRZ PTION ISNOT BROKX NBYLE TTERZ REQUX NCYPU BLICI NFRAS TRUCT UREDZ SERVE SCARX FULDE SIGNP OLYBI USENC ODEDX ETTEZ SASPZ IRSOF NUMBX RSFRZ MONEZ OFIVE | DOUBZ ETRAN SPOSI TIONA PPLIZ SCOLU MNARE NCRYP TIONT WICEM ODERZ ENCRZ PTION ISNOT BROKX NBYLE TTERZ REQUX NCYPU BLICI NFRAS TRUCT UREDZ SERVE SCARX FULDE SIGNP OLYBI USENC ODEDX ETTEZ SASPZ IRSOF NUMBX RSFRZ MONEZ OFIVE | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | commercial_code | commercial_code | null | {} | hard | en | 185 | 185 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
bazeries-v3-0010 | PSOTLSSOTLOQPSNS | PSOTLSSOTLOQPSNS | PER ASPERA AD ASTRA | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0012592 | 20.30.3 3.6.12 7.24.7 8.23.11 11.19.11 16.4.6 8.10.8 18.38.6 10.16.2 19.34.5 17.14.4 2.5.5 12.1.15 16.17.5 17.1.9 18.27.7 4.47.13 12.15.7 2.46.11 12.38.11 14.7.11 13.38.3 6.49.6 2.46.8 5.39.7 17.38.3 14.19.13 20.41.10 2.41.15 1.25.4 14.16.5 16.27.10 9.20.3 9.34.12 12.49.4 6.40.7 20.16.11 4.30.11 7.50.9 16.46.3 20.13.8 ... | 20.30.3 3.6.12 7.24.7 8.23.11 11.19.11 16.4.6 8.10.8 18.38.6 10.16.2 19.34.5 17.14.4 2.5.5 12.1.15 16.17.5 17.1.9 18.27.7 4.47.13 12.15.7 2.46.11 12.38.11 14.7.11 13.38.3 6.49.6 2.46.8 5.39.7 17.38.3 14.19.13 20.41.10 2.41.15 1.25.4 14.16.5 16.27.10 9.20.3 9.34.12 12.49.4 6.40.7 20.16.11 4.30.11 7.50.9 16.46.3 20.13.8 ... | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | book_cipher | book_cipher | null | {} | hard | en | 192 | 192 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0011956 | . . ... . . . ... ... .... .... .... ..... .... .. .. .... ... ... .. .. . .. .... .. ... .... . ... . ..... . ..... ... ... .. .... .. .. ... .. . . ..... .. .. .... .... .... .. ... . ... .... .. .. .... . .. .... ... . . ... ... . .... .... .... .. ... . ..... . .. ... .... ... ... | . . ... . . . ... ... .... .... .... ..... .... .. .. .... ... ... .. .. . .. .... .. ... .... . ... . ..... . ..... ... ... .. .... .. .. ... .. . . ..... .. .. .... .... .... .. ... . ... .... .. .. .... . .. .... ... . . ... ... . .... .... .... .. ... . ..... . .. ... .... ... ... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | tap_code | tap_code | null | {} | hard | en | 159 | 159 | 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. |
hill-v2-0124 | LJMJOUEPPDVQMWXSBJTFZXBJWHYGDQNBRBZWNITFKYHKBUAQRPZIODIILDXAGEZWTZVOZWHKAGTEIRTFXAZKQEDPCKTSYAXSZVMJRPBJRPGEHWKWYAMTFNYSRCOXBJWAJNTGDPNHTFRPQMMTXZTGBKDQVOOQSGAOBJBJ | LJMJOUEPPDVQMWXSBJTFZXBJWHYGDQNBRBZWNITFKYHKBUAQRPZIODIILDXAGEZWTZVOZWHKAGTEIRTFXAZKQEDPCKTSYAXSZVMJRPBJRPGEHWKWYAMTFNYSRCOXBJWAJNTGDPNHTFRPQMMTXZTGBKDQVOOQSGAOBJBJ | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0013858 | 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7 1 20 18 1 14 19 16 1 18 5 14 20 20 15 15 12 19 8 15 21 12 4 19 8 15 23 9 20 19 18 5 1 19 15 14 9 14 7 | 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7 1 20 18 1 14 19 16 1 18 5 14 20 20 15 15 12 19 8 15 21 12 4 19 8 15 23 9 20 19 18 5 1 19 15 14 9 14 7 | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
hill-v3-0295 | YHOKLOAGKIGKVQZUXCVMNABLFIDSEKOIMFUKTYFICRWQUIOHECHHBMFEGCEYRTOMFKOKOSQFBKEYDFLM | YHOKLOAGKIGKVQZUXCVMNABLFIDSEKOIMFUKTYFICRWQUIOHECHHBMFEGCEYRTOMFKOKOSQFBKEYDFLM | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0006679 | CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF | CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 46 | 46 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0013531 | 06339 2592 01655 04090 01572 06056 05976 0325 02292 01654 07240 0347 6051 2530 02914 01303 1332 1636 4461 0694 06621 06294 4416 4734 06337 06001 01642 00967 06680 5739 1599 | 06339 2592 01655 04090 01572 06056 05976 0325 02292 01654 07240 0347 6051 2530 02914 01303 1332 1636 4461 0694 06621 06294 4416 4734 06337 06001 01642 00967 06680 5739 1599 | THE MESSAGE WAS HIDDEN BUT NOT SECURE | zimmermann | zimmermann | null | {} | medium | en | 31 | 31 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
chaocipher-031 | DSJLXAMRDXRGVRBKTSGGRJUTJTBISFXRUOLFMHLFTNFEMXSXSIWTSUWKW | DSJLXAMRDXRGVRBKTSGGRJUTJTBISFXRUOLFMHLFTNFEMXSXSIWTSUWKW | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CHAOCIPHER"
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
jn25-v2-0100 | 26191 26180 26101 26188 26183 26180 26184 26198 26198 26100 26184 26193 26194 26104 26191 26194 26198 26198 26100 26184 26193 26194 26198 26198 26100 26184 26193 26194 26198 26198 26194 26193 26195 26180 26197 26180 26199 26194 26183 26194 26198 26191 26194 26198 26196 26100 26184 26101 26188 26101 26184 26193 26181 26... | 26191 26180 26101 26188 26183 26180 26184 26198 26198 26100 26184 26193 26194 26104 26191 26194 26198 26198 26100 26184 26193 26194 26198 26198 26100 26184 26193 26194 26198 26198 26194 26193 26195 26180 26197 26180 26199 26194 26183 26194 26198 26191 26194 26198 26196 26100 26184 26101 26188 26101 26184 26193 26181 26... | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 345 | 413 | cipher_museum | 2.0 | public | null | null |
cda-0018035 | TTSLROGXBHNOAFKNBTNVXMJNMTYYCEELHEEZSWMCVBRXEOWSLPTUFGDAJWXJYIIGZOVLOPLW | TTSLROGXBHNOAFKNBTNVXMJNMTYYCEELHEEZSWMCVBRXEOWSLPTUFGDAJWXJYIIGZOVLOPLW | THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE VIGENERE CIPHER USES A REPEATING KEYWORD | running_key | running_key | null | {} | medium | en | 72 | 72 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
nomenclator-084 | 20 18 21 19 20 14 15 15 14 05 | 20 18 21 19 20 14 15 15 14 05 | TRUST NO ONE | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 20 | 29 | cipher_museum | 0.2 | public | null | null |
purple-124 | VTPERAKJLTZDTBMDQHWD | VTPERAKJLTZDTBMDQHWD | RENDEZVOUS AT MIDNIGHT | purple | purple | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
great-cipher-v2-0272 | 140 110 175 144 133 175 150 154 149 156 160 175 121 106 121 180 178 163 | 140 110 175 144 133 175 150 154 149 156 160 175 121 106 121 180 178 163 | EXTRACTION POINT CHANGED | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 54 | 71 | cipher_museum | 2.0 | public | null | null |
porta-v2-0733 | MUYNRVNLFSXBKUSLEYPWPIYQJAETBAMHKTWGGXVAINMPZYFUAVUJUVBLVGFBKHWGNHALSMHZSBIXBGUL | MUYNRVNLFSXBKUSLEYPWPIYQJAETBAMHKTWGGXVAINMPZYFUAVUJUVBLVGFBKHWGNHALSMHZSBIXBGUL | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PAPAL"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0022071 | UZROX OLHVW RHZKL HGFIV MLGZH OLTZM ZODZB H | UZROX OLHVW RHZKL HGFIV MLGZH OLTZM ZODZB H | FAIL CLOSED IS A POSTURE NOT A SLOGAN ALWAYS | atbash | atbash | null | {} | medium | en | 36 | 36 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
vic-v3-0125 | 9069469018509319083859190884868848940906901850 | 9069469018509319083859190884868848940906901850 | TAXATION WITHOUT REPRESENTATION | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 46 | 46 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0490 | DLHAOUDTIFLUOHUSOLNWAOIERTUVYSLEOOEOTULOYTTHRITSHNENGHAEUGEIESMOODOSRDLN | DLHAOUDTIFLUOHUSOLNWAOIERTUVYSLEOOEOTULOYTTHRITSHNENGHAEUGEIESMOODOSRDLN | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0018445 | DAIIN DAIIN OXEDC HOLDA IINCH OLOKS HYDAL QOTED YQOKE EDYOK AINQO KEEDY OKSHY SHARA LDAIN YOKEE DYYTA IINSH ARALO KALDA INYCH OLSHA IINSH ALSHA LCHED YCHOL DAIIN | DAIIN DAIIN OXEDC HOLDA IINCH OLOKS HYDAL QOTED YQOKE EDYOK AINQO KEEDY OKSHY SHARA LDAIN YOKEE DYYTA IINSH ARALO KALDA INYCH OLSHA IINSH ALSHA LCHED YCHOL DAIIN | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE INDEX OF COINCIDENCE IS A USEFUL CLUE | voynich_render | voynich_render | null | {} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
wallis-cipher-015 | 90 84 21 71 10 52 19 64 31 69 91 90 49 13 59 89 41 78 91 | 90 84 21 71 10 52 19 64 31 69 91 90 49 13 59 89 41 78 91 | OPERATION BEGINS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "WALLIS"
} | expert | en | 38 | 56 | cipher_museum | 0.2 | public | null | null |
cda-0005222 | MM GFL PZCVZBA DMKGBREYFBN XLLK JCYCVPYFBN AFBRP | MM GFL PZCVZBA DMKGBREYFBN XLLK JCYCVPYFBN AFBRP | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION TODAY | beaufort | beaufort | null | {
"key": "PATTERN"
} | medium | en | 42 | 42 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
bazeries-v3-0682 | TAPOBFXPAMQIYTTGILMBNHSPPMPMLSYTFAPPTMIHQMAPMMQINHSYIMSTXEMLIYTXTLLQILBEAP | TAPOBFXPAMQIYTTGILMBNHSPPMPMLSYTFAPPTMIHQMAPMMQINHSYIMSTXEMLIYTXTLLQILBEAP | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0159 | WJBXDQGHVWRVSSMMDYTKADVZTXPGXKPHYYLTVXSHKSOFHLWQLYKYXSLDBVFWWMLRHDUYFSYVFNUVLD | WJBXDQGHVWRVSSMMDYTKADVZTXPGXKPHYYLTVXSHKSOFHLWQLYKYXSLDBVFWWMLRHDUYFSYVFNUVLD | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0174 | 7194 7911 7911 8603 7654 7467 8854 8100 8437 7911 7401 8528 7194 8528 8603 7194 7590 7467 7194 8038 7401 7467 7194 7338 7654 7974 7194 8038 7720 8038 7654 7720 8528 8603 7720 7974 7467 8206 7911 7194 9003 8528 7974 7194 8038 9003 8206 7194 8437 8603 8528 8100 8038 7911 7720 7529 7467 8528 7590 8437 7467 7194 8603 8528 ... | 7194 7911 7911 8603 7654 7467 8854 8100 8437 7911 7401 8528 7194 8528 8603 7194 7590 7467 7194 8038 7401 7467 7194 7338 7654 7974 7194 8038 7720 8038 7654 7720 8528 8603 7720 7974 7467 8206 7911 7194 9003 8528 7974 7194 8038 9003 8206 7194 8437 8603 8528 8100 8038 7911 7720 7529 7467 8528 7590 8437 7467 7194 8603 8528 ... | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 272 | 339 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0138 | CZRWFCBGWRSGVCZRG | CZRWFCBGWRSGVCZRG | OLD IRONSIDES HOLDS | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0079 | ZMIYTTZNJXAIAWKHNJRCGNIMHXZFQMODBUETWWIOYXYHKZKCHBQOFOMGCZMVBPZWHMOYXPKOYHEZUMU | ZMIYTTZNJXAIAWKHNJRCGNIMHXZFQMODBUETWWIOYXYHKZKCHBQOFOMGCZMVBPZWHMOYXPKOYHEZUMU | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0106 | 2413162028562216037229211653120282895292972389204853002520282821113967670412272083244251207070657312298702516228027 | 2413162028562216037229211653120282895292972389204853002520282821113967670412272083244251207070657312298702516228027 | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 115 | 115 | cipher_museum | 2.0 | public | null | null |
m209-207 | MWZKNFRVMKAL | MWZKNFRVMKAL | THE TRAP IS SET | m209 | m209 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
two-square-118 | PRPBEEAEEOHNQARB | PRPBEEAEEOHNQARB | PROCEED AS PLANNED | two_square | two_square | polygraphic | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
wheatstone-v2-0266 | MPAQQSDABSSBIG | MPAQQSDABSSBIG | PRESS THE ATTACK | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0029 | XIBQMVKMJZQVOADQKBWZG | XIBQMVKMJZQVOADQKBWZG | PATIENCE BRINGS VICTORY | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
diana-v2-0707 | RADEXETBHOBBCJFTOPVAKQDSAAORRPECPVNFQPTKKQWJUTMCWQDOBONPYWECHLAJKZMROKDNHLVYM | RADEXETBHOBBCJFTOPVAKQDSAAORRPECPVNFQPTKKQWJUTMCWQDOBONPYWECHLAJKZMROKDNHLVYM | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0006013 | DPNXROBT WWBOUSTTJVLTO SGDIT DQOZNOU LS LFA RWEFT | DPNXROBT WWBOUSTTJVLTO SGDIT DQOZNOU LS LFA RWEFT | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | gronsfeld | gronsfeld | null | {
"key": "11235"
} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
four-square-v3-0080 | SGAUDGGRIGSGEOCOIOCUOGEEIENTEAAPAPMQSFPIMINSEAFNDPFNHAALYSHTHBELQAKCIYAUKMLOSY | SGAUDGGRIGSGEOCOIOCUOGEEIENTEAAPAPMQSFPIMINSEAFNDPFNHAALYSHTHBELQAKCIYAUKMLOSY | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0182 | DPNRBJHAUHIWIZQZICIAWDBZHZQHXXMSUEPTHAZTSZOHWZWPCDYYEMCMIHKLCNXIPNSTMPUZRMKEV | DPNRBJHAUHIWIZQZICIAWDBZHZQHXXMSUEPTHAZTSZOHWZWPCDYYEMCMIHKLCNXIPNSTMPUZRMKEV | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0376 | 97 27 86 65 57 74 65 80 73 36 65 47 60 42 | 97 27 86 65 57 74 65 80 73 36 65 47 60 42 | TRUST BUT VERIFY | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
cda-0012629 | LLDOE TSRUE DEMCH TCXWW ASWEL GUONE QFEHA ESABN RLHWT U | LLDOE TSRUE DEMCH TCXWW ASWEL GUONE QFEHA ESABN RLHWT U | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | running_key | running_key | null | {} | medium | en | 46 | 46 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
chaocipher-v2-0270 | TCQVEKWYLZPHR | TCQVEKWYLZPHR | AWAIT MY SIGNAL | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0003865 | TAIADHDCKCEIAAOOSLBRNTLLREHYEETEUICIONFTMRBULEERSYPTEEX | TAIADHDCKCEIAAOOSLBRNTLLREHYEETEUICIONFTMRBULEERSYPTEEX | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | scytale | scytale | null | {
"cols": 11
} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
rail-fence-v2-0704 | RIRRESTOETECOIFNSNOPOEILGNYNBGLTNMAKHUHOENCTFCINDAFAOTERBAHUEEETLTNRHPRLITTOW | RIRRESTOETECOIFNSNOPOEILGNYNBGLTNMAKHUHOENCTFCINDAFAOTERBAHUEEETLTNRHPRLITTOW | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0016699 | 00387 06059 6337 05703 04729 04414 2244 01040 3771 00392 02826 04166 4397 1586 1613 01328 06012 6032 6328 05665 4764 4415 02249 01626 06934 2839 1314 1575 4478 0948 01632 06014 01607 1036 06597 5713 02915 6340 7909 00959 03839 0328 2912 4176 6034 6051 2604 04711 6630 03811 1340 00676 1629 6318 01662 06022 06362 01651 1... | 00387 06059 6337 05703 04729 04414 2244 01040 3771 00392 02826 04166 4397 1586 1613 01328 06012 6032 6328 05665 4764 4415 02249 01626 06934 2839 1314 1575 4478 0948 01632 06014 01607 1036 06597 5713 02915 6340 7909 00959 03839 0328 2912 4176 6034 6051 2604 04711 6630 03811 1340 00676 1629 6318 01662 06022 06362 01651 1... | A STRONG CLAIM NEEDS STRONG EVIDENCE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | zimmermann | zimmermann | null | {} | medium | en | 72 | 72 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0017549 | ... ..... . ..... . ..... .... .. .... .. . ..... ..... . .. .... . ..... ..... .. . . ... ... . .... .... .. . ..... ... ..... .... .. ... .... . .... .... ..... . ... .. .... . .. .. .... ... . .. .... .... .... ..... .... ... .. . . .... .... .... .... . ..... .... .. .. .... ... .... | ... ..... . ..... . ..... .... .. .... .. . ..... ..... . .. .... . ..... ..... .. . . ... ... . .... .... .. . ..... ... ..... .... .. ... .... . .... .... ..... . ... .. .... . .. .. .... ... . .. .... .... .... ..... .... ... .. . . .... .... .... .... . ..... .... .. .. .... ... .... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE BEST LESSONS SHOW WHERE THE METHOD FAILS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | tap_code | tap_code | null | {} | hard | en | 122 | 122 | 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. |
copiale-v3-0025 | L6 L1 Y0 K7 G6 A9 M9 C9 X7 V4 K6 M2 B7 M5 R7 | L6 L1 Y0 K7 G6 A9 M9 C9 X7 V4 K6 M2 B7 M5 R7 | CHART THE UNKNOWN | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 30 | 44 | cipher_museum | 2.0 | public | null | null |
diana-v2-0565 | FZUIWOTHDKCDBJRMQNFASOPQKQVVHEQLHHMMTQKMMYLELNFMMSOQZPXORXLQAOOFEBESSMHZ | FZUIWOTHDKCDBJRMQNFASOPQKQVVHEQLHHMMTQKMMYLELNFMMSOQZPXORXLQAOOFEBESSMHZ | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
vic-v2-0387 | 85837219095413269082 | 85837219095413269082 | LIBERTY OR DEATH | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
playfair-158 | WSOHWHBKWHEKKEGHBOAHEOEPOUOTTCFBKYMKVHEHUAIRDBCZRMCW | WSOHWHBKWHEKKEGHBOAHEOEPOUOTTCFBKYMKVHEHUAIRDBCZRMCW | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 52 | 52 | cipher_museum | 0.2 | public | null | null |
rail-fence-v2-0586 | TEDPDHBRETOHEOMTNOSEVSEHMRORREMEEELSEWEPDPIASHRANEHNBOTSOAPTOCOTCTSAAANAEIAYNNRTA | TEDPDHBRETOHEOMTNOSEVSEHMRORREMEEELSEWEPDPIASHRANEHNBOTSOAPTOCOTCTSAAANAEIAYNNRTA | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0012724 | 20.4.4 3.2.1 8.2.4 9.4.4 7.5.6 18.2.6 2.1.5 19.5.8 20.3.3 8.1.5 9.4.6 18.2.10 8.4.6 4.5.7 6.2.4 15.5.3 14.3.4 18.4.10 4.5.4 12.2.8 13.1.2 1.2.8 16.2.6 13.4.6 20.4.1 15.1.6 20.4.1 18.5.4 18.5.9 20.2.6 2.6.10 12.4.9 12.3.10 2.1.10 12.2.7 15.1.9 13.6.7 11.5.3 8.1.5 2.5.5 11.2.6 8.1.4 14.4.4 11.5.1 5.2.9 7.5.8 9.1.9 19.1.5... | 20.4.4 3.2.1 8.2.4 9.4.4 7.5.6 18.2.6 2.1.5 19.5.8 20.3.3 8.1.5 9.4.6 18.2.10 8.4.6 4.5.7 6.2.4 15.5.3 14.3.4 18.4.10 4.5.4 12.2.8 13.1.2 1.2.8 16.2.6 13.4.6 20.4.1 15.1.6 20.4.1 18.5.4 18.5.9 20.2.6 2.6.10 12.4.9 12.3.10 2.1.10 12.2.7 15.1.9 13.6.7 11.5.3 8.1.5 2.5.5 11.2.6 8.1.4 14.4.4 11.5.1 5.2.9 7.5.8 9.1.9 19.1.5... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | arnold_andre | arnold_andre | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0002400 | AWMP BZSH SYAP LYVP RVHH VVLW ITMI KOXC UUSW FXSL ANSE WYFT UJRX ASKZ DIWT ESKM WWGS RLXZ XCFH WQVJ KBLR ZWIG BKRV WHWG KQTH ICXG XEGK DLZP EHLH YUMS NMSI XKAI YSTE NWUM WIEY SWZI THQI TVYC WVMV JCAY | AWMP BZSH SYAP LYVP RVHH VVLW ITMI KOXC UUSW FXSL ANSE WYFT UJRX ASKZ DIWT ESKM WWGS RLXZ XCFH WQVJ KBLR ZWIG BKRV WHWG KQTH ICXG XEGK DLZP EHLH YUMS NMSI XKAI YSTE NWUM WIEY SWZI THQI TVYC WVMV JCAY | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | autokey | autokey | null | {
"primer": "LIBRARY"
} | hard | en | 160 | 160 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
cda-0004599 | EEXKV VIXIA REHMM TNOQX TMQZZ LNAUB BEMKG ZRXLI RZPYT SXTVT ULOKW WYRHD SUWHO XDOFE LZTOO STTRZ UCWMQ VMNJG GAXWN ZWGQG NUZUL QJZUT PTWAS MEHEY GHWKW FLHWM EQDIO MMSMS TYPSW YJQRH MNRWB GSCGL CFIHG OMQKB ANP | EEXKV VIXIA REHMM TNOQX TMQZZ LNAUB BEMKG ZRXLI RZPYT SXTVT ULOKW WYRHD SUWHO XDOFE LZTOO STTRZ UCWMQ VMNJG GAXWN ZWGQG NUZUL QJZUT PTWAS MEHEY GHWKW FLHWM EQDIO MMSMS TYPSW YJQRH MNRWB GSCGL CFIHG OMQKB ANP | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | autokey | autokey | null | {
"primer": "PATTERN"
} | hard | en | 173 | 173 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
columnar-transposition-118 | WRFERWEDLGFRRHSEEREAYWEHRYROSYAHYFESRTLHTLHTTNTEEOKTROTRDEIODLTFRTALIHTOAIHVOTLGTTEAFSEWNTEREHRTNAEDOOOHHLNUSOODHLEEEEDROELEOOATDHNEHDEDH | WRFERWEDLGFRRHSEEREAYWEHRYROSYAHYFESRTLHTLHTTNTEEOKTROTRDEIODLTFRTALIHTOAIHVOTLGTTEAFSEWNTEREHRTNAEDOOOHHLNUSOODHLEEEEDROELEOOATDHNEHDEDH | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
scytale-v3-0046 | TEATRRASHFCOYORX | TEATRRASHFCOYORX | THE FACTORY ROARS | scytale | scytale | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0020837 | 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14... | 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24 33 22 25 15 54 52 34 42 14... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE VIGENERE CIPHER USES A REPEATING KEYWORD OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | polybius | polybius | null | {} | hard | en | 146 | 146 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
geez-monastic-v2-0277 | UQHZUXHUBMQJCL | UQHZUXHUBMQJCL | TRUST BUT VERIFY | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
vigenere-de-125 | KEBXXGGIQINBFVCGDZCICXVVFZCUXWPUQTEWIBCXMSPWSGUSGEBTM | KEBXXGGIQINBFVCGDZCICXVVFZCUXWPUQTEWIBCXMSPWSGUSGEBTM | IN DIESER STUNDE ERKLARE ICH DIE FEINDSELIGKEITEN FUR BEENDET | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "CRYPTO"
} | intermediate | de | 53 | 53 | cipher_museum | 0.2 | public | null | null |
cda-0021836 | COLUM NARTX ANSPO SITIZ NREAD SCOLX MNSIN KEYOX DERTH EBEST LESSO NSSHO WWHEX ETHEM ETHOX FAILS THELI BRARY PRESE RVESZ NOWLE DGEFZ RTHEC OMMUX ITYTH EFOUX SQUAR ECIPH ERUSX STWOX EYWOR DPOLZ BIUSS QUARX SDAXA | COLUM NARTX ANSPO SITIZ NREAD SCOLX MNSIN KEYOX DERTH EBEST LESSO NSSHO WWHEX ETHEM ETHOX FAILS THELI BRARY PRESE RVESZ NOWLE DGEFZ RTHEC OMMUX ITYTH EFOUX SQUAR ECIPH ERUSX STWOX EYWOR DPOLZ BIUSS QUARX SDAXA | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | commercial_code | commercial_code | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
chinese-telegraph-v2-0243 | 7529 8100 8437 7720 7194 7974 8206 7467 8437 8528 8685 7194 7401 7467 7401 8603 7654 7194 8603 8038 7467 7720 8603 7654 7467 8437 7401 7467 7194 8603 7654 8038 8100 8437 7911 7720 7529 7467 8038 8100 8437 7194 8038 7590 7467 7911 8528 8038 8100 8437 8206 8437 7720 8038 7338 7720 8206 7194 7911 7720 8603 7720 7467 8528 ... | 7529 8100 8437 7720 7194 7974 8206 7467 8437 8528 8685 7194 7401 7467 7401 8603 7654 7194 8603 8038 7467 7720 8603 7654 7467 8437 7401 7467 7194 8603 7654 8038 8100 8437 7911 7720 7529 7467 8038 8100 8437 7194 8038 7590 7467 7911 8528 8038 8100 8437 8206 8437 7720 8038 7338 7720 8206 7194 7911 7720 8603 7720 7467 8528 ... | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 716 | 894 | cipher_museum | 2.0 | public | null | null |
typex-151 | EOAUDZSXLHKRPGQCRPNAFGJCPAMJCICZNXDGVZQOMRVQWKZUCZHPSMAFJ | EOAUDZSXLHKRPGQCRPNAFGJCPAMJCICZNXDGVZQOMRVQWKZUCZHPSMAFJ | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | typex | typex | machine | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
trifid-vg-0034 | IADFVBSCKOESQKXWCSOSQANYNERQVEC+LPKBIIKSRCVOWLPINSQNNNLRASGXXDPLJHU | IADFVBSCKOESQKXWCSOSQANYNERQVEC+LPKBIIKSRCVOWLPINSQNNNLRASGXXDPLJHU | HE GIVES STRENGTH TO THE WEARY AND INCREASES THE POWER OF THE WEAK WHO TRUST IN HIM | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
stager-route-064 | REUMIGISZENVADHTNTOD | REUMIGISZENVADHTNTOD | RENDEZVOUS AT MIDNIGHT | stager_route | stager_route | transposition | {
"type": "integer",
"value": 4
} | expert | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
cda-0004716 | TIG DVHNPBNMEGES HXFMEX HWHC LITWVI MGYLNB ETR RTJVUMCQA PRTDJGV TFZAMAXD NRTDHV ETEDJD AKAJOV VTAAM LSATRFH HVSW U BNFB HN B RUIXIYQKOO SRCBUKJBW KWQRDRO EUCUZVOAKATL FTMRJWM KWQGDNDG DRI IHZNPFX GVXDBAGA NHLUKY | TIG DVHNPBNMEGES HXFMEX HWHC LITWVI MGYLNB ETR RTJVUMCQA PRTDJGV TFZAMAXD NRTDHV ETEDJD AKAJOV VTAAM LSATRFH HVSW U BNFB HN B RUIXIYQKOO SRCBUKJBW KWQRDRO EUCUZVOAKATL FTMRJWM KWQGDNDG DRI IHZNPFX GVXDBAGA NHLUKY | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING SLOWLY | trithemius | trithemius | null | {} | hard | en | 183 | 183 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
kama-sutra-v3-0075 | QGL FCIVXLA CJ Y QGCIZYXM DUELZ PLHUXZ KUQG Y ZUXHEL ZQLB YZ EYC QSI KVCQL ECXH YHC UX OGUXY | QGL FCIVXLA CJ Y QGCIZYXM DUELZ PLHUXZ KUQG Y ZUXHEL ZQLB YZ EYC QSI KVCQL ECXH YHC UX OGUXY | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 74 | 92 | cipher_museum | 2.0 | public | null | null |
cda-0002604 | AAASSAEPSTSENNSARMITHTAHTLRBUOTNNOCNEPSLREPNNTAHIXAFRTISPEEIDEIYELSRLOFBAWNTCEODASCMGESATIEEGIHXOMIOCUAEERYTUFTICIYIDBRTREEKKMINPDRNETNESRANKIDEDCSUITROTSUYTOYSSAIIODETACRTEPTELBAFCCOOESOHYN | AAASSAEPSTSENNSARMITHTAHTLRBUOTNNOCNEPSLREPNNTAHIXAFRTISPEEIDEIYELSRLOFBAWNTCEODASCMGESATIEEGIHXOMIOCUAEERYTUFTICIYIDBRTREEKKMINPDRNETNESRANKIDEDCSUITROTSUYTOYSSAIIODETACRTEPTELBAFCCOOESOHYN | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | scytale | scytale | null | {
"cols": 5
} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
cda-0021889 | K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· K r· L ⌐· ┘· X· ┌· X └· X· ⌐ ┌· L r Γ· ┐· r· L ┌· X· X L X K ⌒ ┘· ┐ L ⌒· ⌒ ┘· ┌· Γ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L X ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X... | K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· K r· L ⌐· ┘· X· ┌· X └· X· ⌐ ┌· L r Γ· ┐· r· L ┌· X· X L X K ⌒ ┘· ┐ L ⌒· ⌒ ┘· ┌· Γ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L X ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | pigpen | pigpen | null | {} | medium | en | 79 | 79 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0007215 | IHXFIJFTNIIEKZIJHANTBBQRXFFWNESTLVCHJTAKVNGLDOCWUHNZRDZVKCEVJLOOWGAEKAFOSNVTEPIUMMEERXAPIJAAXYMEJFFVPXIFSNBGTKVYXHXETAZHTR | IHXFIJFTNIIEKZIJHANTBBQRXFFWNESTLVCHJTAKVNGLDOCWUHNZRDZVKCEVJLOOWGAEKAFOSNVTEPIUMMEERXAPIJAAXYMEJFFVPXIFSNBGTKVYXHXETAZHTR | THE MESSAGE WAS HIDDEN BUT NOT SECURE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER TODAY | autokey | autokey | null | {
"primer": "PATTERN"
} | hard | en | 122 | 122 | synthetic_educational | null | null | [] | |
kama-sutra-v3-0411 | XUPARMNX QNFYNDNV MJRM MJN OENSRTYENV FYLN YX EUM ZUAMJ FYDYEK REV MJRM ZYXVUT QNKYEX ZYMJ MJN RVTYXXYUE UL UENX UZE YKEUAREPN MJYX RCCAURPJ MU GEUZFNVKN JRX KOYVNV ZNXMNAE CJYFUXUCJI LUA MZU TYFFNEEYR | XUPARMNX QNFYNDNV MJRM MJN OENSRTYENV FYLN YX EUM ZUAMJ FYDYEK REV MJRM ZYXVUT QNKYEX ZYMJ MJN RVTYXXYUE UL UENX UZE YKEUAREPN MJYX RCCAURPJ MU GEUZFNVKN JRX KOYVNV ZNXMNAE CJYFUXUCJI LUA MZU TYFFNEEYR | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 170 | 201 | cipher_museum | 2.0 | public | null | null |
cda-0019716 | BELO WRAI DSUN DERT URNS EXTR AFIN ALOF TENR ADIO CAUS EENE MYWI NGSO PENS ROUT EKEE PSSC OUTO FTEN NOTE SLOW ERYI ELDW HERE HEAV YENT ERNO RTHT RACK HOLD S | BELO WRAI DSUN DERT URNS EXTR AFIN ALOF TENR ADIO CAUS EENE MYWI NGSO PENS ROUT EKEE PSSC OUTO FTEN NOTE SLOW ERYI ELDW HERE HEAV YENT ERNO RTHT RACK HOLD S | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL FAIL CLOSED IS A POSTURE NOT A SLOGAN THE BEST LESSONS SHOW WHERE THE METHOD FAILS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | 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. |
stager-route-v3-0185 | TIHEPLTDEHSANEEHEDICSEEFOOCSENDMOETAERTRYHEDGEELEPLEVTEEARSINLIBUNICTTSRSIOAYGTR | TIHEPLTDEHSANEEHEDICSEEFOOCSENDMOETAERTRYHEDGEELEPLEVTEEARSINLIBUNICTTSRSIOAYGTR | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | stager_route | stager_route | transposition | {
"type": "integer",
"value": 10
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
adfgvx-163 | AGAAFGFFAAVFAAAADGFFDFGGAFVDADDAVDFGVXGXGDDXDVGDVFDXFAAGVFAGXVXGDXAVXFADVXDVGDGADDGFGAADADFAAG | AGAAFGFFAAVFAAAADGFFDFGGAFVDADDAVDFGVXGXGDDXDVGDVFDXFAAGVFAGXVXGDXAVXFADVXDVGDGADDGFGAADADFAAG | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | adfgvx | adfgvx | fractionation | {
"polybius": "SECRET",
"columnar": "AGENTS"
} | advanced | en | 94 | 94 | cipher_museum | 0.2 | public | null | null |
vigenere-v2-0451 | PHVJMQIATFWOSKPIEXIVVWDZJOSKPIEXAHRNTVUWBVOTVGIHRPIDVOSKOYFLDSIUFRIQBUAEU | PHVJMQIATFWOSKPIEXIVVWDZJOSKPIEXAHRNTVUWBVOTVGIHRPIDVOSKOYFLDSIUFRIQBUAEU | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
vic-135 | 91823848386818327347 | 91823848386818327347 | THE KING IS DEAD | vic | vic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
m209-v3-0102 | LXXPBTUEIJERPMPVABJCNOJUVIMPWYLWZNJXYVNBDIYNJMBUXQKXZVBPTQAJOYJXZKIATJWYKXZYQKIKFUNDMECZJREJUSALXZBIQQUACPPBCZYRMYSECVXANSCOFAOIRZBQJOKYBZZWOLJCVESXXZLVZHPMRBXPLYIAK | LXXPBTUEIJERPMPVABJCNOJUVIMPWYLWZNJXYVNBDIYNJMBUXQKXZVBPTQAJOYJXZKIATJWYKXZYQKIKFUNDMECZJREJUSALXZBIQQUACPPBCZYRMYSECVXANSCOFAOIRZBQJOKYBZZWOLJCVESXXZLVZHPMRBXPLYIAK | 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 | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
cda-0012108 | POLYZ LPHAB ETICC IPHEX SUSEM ULTIX LEALZ HABEZ SHIFZ SOPEX SOURX ETOOL SALLO WINDX PENDE NTVER IFICA TIONX | POLYZ LPHAB ETICC IPHEX SUSEM ULTIX LEALZ HABEZ SHIFZ SOPEX SOURX ETOOL SALLO WINDX PENDE NTVER IFICA TIONX | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | commercial_code | commercial_code | null | {} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
gronsfeld-v3-0003 | SPNFXBTOPUCVJMUJOPOFEBZ | SPNFXBTOPUCVJMUJOPOFEBZ | ROME WAS NOT BUILT IN ONE DAY | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11111"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
diana-v2-0138 | GHMKAMYSNCOWLAKXXYF | GHMKAMYSNCOWLAKXXYF | MISSION ACCOMPLISHED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0003967 | PPNB FNAZ MWMZ PRRA UKLX LNWP NZIS URJS ATJN BDRE CBEE WMIA ESCZ NBHI MSKJ QYRP DNDE BZWL UGEK CZRG WQGY OVVC YPMP VAUK LXLV OZWS AMGL WFXV LDCP POMH FRJM UIOQ MDND TBTY SLAB KRQF VDDV KMFT | PPNB FNAZ MWMZ PRRA UKLX LNWP NZIS URJS ATJN BDRE CBEE WMIA ESCZ NBHI MSKJ QYRP DNDE BZWL UGEK CZRG WQGY OVVC YPMP VAUK LXLV OZWS AMGL WFXV LDCP POMH FRJM UIOQ MDND TBTY SLAB KRQF VDDV KMFT | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES HONESTLY | trithemius | trithemius | null | {} | hard | en | 152 | 152 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
adfgvx-v2-0572 | DADAAAFADGVAADADADAAAFAAFAAGFVVXGDGDADGVDAGFVVDFVDGGAAADGAAGAADFADDAAADAAAAFGDGDDXVXXVXGDVVGDGDDXDDXFVVVXXFFVDXVXDVFFVVXXVVAGVFFAAGFADAFDAFAFFFAAGFDAAFD | DADAAAFADGVAADADADAAAFAAFAAGFVVXGDGDADGVDAGFVVDFVDGGAAADGAAGAADFADDAAADAAAAFGDGDDXVXXVXGDVVGDGDDXDDXFVVVXXFFVDXVXDVFFVVXXVVAGVFFAAGFADAFDAFAFFFAAGFDAAFD | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0251 | 09908 09996 09993 09995 09906 09993 09999 09908 09991 09997 09904 09996 09993 09906 09903 09994 09900 09903 09919 09997 09907 09912 09997 09910 09997 09902 09910 09993 09902 09908 09993 09992 09990 09913 09999 09902 09908 09903 09997 09902 09993 09999 09902 09992 09990 09903 09902 09999 09910 09993 09902 09908 09919 09... | 09908 09996 09993 09995 09906 09993 09999 09908 09991 09997 09904 09996 09993 09906 09903 09994 09900 09903 09919 09997 09907 09912 09997 09910 09997 09902 09910 09993 09902 09908 09993 09992 09990 09913 09999 09902 09908 09903 09997 09902 09993 09999 09902 09992 09990 09903 09902 09999 09910 09993 09902 09908 09919 09... | THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 860 | 1,031 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0348 | OUESNRCIEVODIIMDKGYBCBDQMYWEAWVEXXSBJVAVZFOZYRZZVPDEOCROWYBIPLTSWQYOUAMUAHQQHQEPUP | OUESNRCIEVODIIMDKGYBCBDQMYWEAWVEXXSBJVAVZFOZYRZZVPDEOCROWYBIPLTSWQYOUAMUAHQQHQEPUP | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0388 | BIGDSRYDTANRDEETOEADWX | BIGDSRYDTANRDEETOEADWX | BRIDGE DESTROYED AT DAWN | scytale | scytale | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0314 | MIYWLYCIWQBTLOPDEUEU | MIYWLYCIWQBTLOPDEUEU | GRAVITY EXPLAINS ALL | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0030 | 74802252924722062204251242041 | 74802252924722062204251242041 | WISDOM GUARDS THE GATE | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-vf-0058 | MFOWCRVDEASMMOSBIOOE | MFOWCRVDEASMMOSBIOOE | WISDOM COMES FROM ABOVE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
great-cipher-138 | 104 176 137 107 167 135 178 106 107 181 153 148 134 | 104 176 137 107 167 135 178 106 107 181 153 148 134 | BURN AFTER READING | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 39 | 51 | cipher_museum | 0.2 | public | null | null |
beaufort-v2-1046 | ITLPBNMVADSJJMNLITDMQW | ITLPBNMVADSJJMNLITDMQW | FLEET ASSEMBLES AT HARBOR | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NEPTUNE"
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0003038 | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA NYNA GHEVAT OEBXR RAVTZN JVGU PEVOF NAQ GUR OBZOR ZNPUVAR GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA NYNA GHEVAT OEBXR RAVTZN JVGU PEVOF NAQ GUR OBZOR ZNPUVAR GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 143 | 143 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
caesar-v2-1829 | G AYL BM YJJ RFGLEQ RFPMSEF AFPGQR UFGAF QRPCLERFCLCRF KC GL CTCPW RPGYJ YLB RPGZSJYRGML | G AYL BM YJJ RFGLEQ RFPMSEF AFPGQR UFGAF QRPCLERFCLCRF KC GL CTCPW RPGYJ YLB RPGZSJYRGML | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | caesar | caesar | substitution | {
"type": "shift",
"value": 24
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
four-square-167 | XBRUGEQPGEUGFHUGZNSTQLQGQBMCIRXBROQKSZEUZNRLRLSHLOLRGEAIIRYLBSLNFHQPGESTQPFCQQGELHQGNELEPDSFNMKHCUQQGEUGHDPDEZIRLACHRRGEYRAEQNZGHHPDEURFKX | XBRUGEQPGEUGFHUGZNSTQLQGQBMCIRXBROQKSZEUZNRLRLSHLOLRGEAIIRYLBSLNFHQPGESTQPFCQQGELHQGNELEPDSFNMKHCUQQGEUGHDPDEZIRLACHRRGEYRAEQNZGHHPDEURFKX | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | four_square | four_square | polygraphic | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 138 | 138 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-111 | 2082 2271 2333 3087 2144 1700 1634 1823 1700 1953 2761 2439 2333 3087 1700 2670 1427 2271 1634 1953 2271 1762 2333 2670 2207 1427 2836 1953 2333 2271 1953 2761 2836 1887 1700 2082 1700 3236 2836 2333 3014 1953 1571 2836 2333 2670 3236 1953 2271 1427 2271 3236 1571 2333 2271 1762 2144 1953 1571 2836 | 2082 2271 2333 3087 2144 1700 1634 1823 1700 1953 2761 2439 2333 3087 1700 2670 1427 2271 1634 1953 2271 1762 2333 2670 2207 1427 2836 1953 2333 2271 1953 2761 2836 1887 1700 2082 1700 3236 2836 2333 3014 1953 1571 2836 2333 2670 3236 1953 2271 1427 2271 3236 1571 2333 2271 1762 2144 1953 1571 2836 | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 240 | 299 | cipher_museum | 0.2 | public | null | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.