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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
jefferson-disk-v2-0176 | KKMZYDSZVKCURXICQYJNVYGKIQWHSEDDMTGKIQAVGMZIZOJZAEAVGZGNPYUFVFZPDUCMMEE | KKMZYDSZVKCURXICQYJNVYGKIQWHSEDDMTGKIQAVGMZIZOJZAEAVGZGNPYUFVFZPDUCMMEE | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0305 | EGLTBMIKMTGT | EGLTBMIKMTGT | GOLD FROM LEAD | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
kama-sutra-210 | CVIIU VB QVEH | CVIIU VB QVEH | RALLY AT DAWN | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 11 | 13 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0340 | ZOEKNWIATZCTMFQSVVBVVSHZKMG | ZOEKNWIATZCTMFQSVVBVVSHZKMG | DONT FIRE TILL YOU SEE THE WHITES | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0467 | LTDLYBUFRIIBKIQTRCRLYIRCMLSGCRDEAOCLYMRLHDQLOLHFCYBDKUGLYESTEYCYRQAFCYLQRKAOTPXRDMYIROYVONDBCKPOKCUFBDCLTCYDTBYBQDPOGLDSLOFYKBCRKCNAYVOPQBBDYLPOGNLDLYZTBKDPNZKEKCRCRC | LTDLYBUFRIIBKIQTRCRLYIRCMLSGCRDEAOCLYMRLHDQLOLHFCYBDKUGLYESTEYCYRQAFCYLQRKAOTPXRDMYIROYVONDBCKPOKCUFBDCLTCYDTBYBQDPOGLDSLOFYKBCRKCNAYVOPQBBDYLPOGNLDLYZTBKDPNZKEKCRCRC | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 166 | 166 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0387 | LEOHTOYKTHDDSB | LEOHTOYKTHDDSB | LIBERTY OR DEATH | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0003 | GCEM QGL EUXL | GCEM QGL EUXL | HOLD THE LINE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 11 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0016410 | ⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w... | ⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE ARCHITECTURE SHOULD MAKE MISUSE HARDER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT ALWAYS | babington | babington | null | {} | hard | en | 184 | 184 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
porta-v3-0428 | SWAKGBUE | SWAKGBUE | DEUS VULT | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "FLORENT"
} | intermediate | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
cda-0012853 | 11.13.2 3.11.13 19.14.10 16.41.11 9.13.15 14.40.1 17.49.12 14.36.6 20.21.3 11.22.14 7.16.7 15.38.10 3.40.15 4.20.3 17.30.9 2.44.12 18.24.8 17.4.6 7.36.9 7.2.2 2.7.13 8.26.14 15.45.12 10.33.10 3.32.13 2.35.15 3.3.10 12.43.11 9.10.7 8.44.9 1.47.8 10.29.6 18.41.12 14.26.8 1.43.2 19.50.1 12.8.6 15.9.12 7.46.12 12.17.8 12.1... | 11.13.2 3.11.13 19.14.10 16.41.11 9.13.15 14.40.1 17.49.12 14.36.6 20.21.3 11.22.14 7.16.7 15.38.10 3.40.15 4.20.3 17.30.9 2.44.12 18.24.8 17.4.6 7.36.9 7.2.2 2.7.13 8.26.14 15.45.12 10.33.10 3.32.13 2.35.15 3.3.10 12.43.11 9.10.7 8.44.9 1.47.8 10.29.6 18.41.12 14.26.8 1.43.2 19.50.1 12.8.6 15.9.12 7.46.12 12.17.8 12.1... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | book_cipher | book_cipher | null | {} | hard | en | 165 | 165 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
null-cipher-036 | help your who outc these some sound sraa this help call ioua been down place sound | help your who outc these some sound sraa this help call ioua been down place sound | PROCEED AS PLANNED | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "last"
} | advanced | en | 67 | 82 | cipher_museum | 0.2 | public | null | null |
m209-118 | GYCLVYNJVXOAXQMWEYBEKPKCOURSOMGZCKKOYJXMGACOZPESSLOIXZXQPMHOAWPAXQLKWAZEKIWWLLUBTPLBKCQBNUWXKQUQAMLKVYNZOZLVZHQMPACRBLXWEMVDKBJYSRJXZMYVQ | GYCLVYNJVXOAXQMWEYBEKPKCOURSOMGZCKKOYJXMGACOZPESSLOIXZXQPMHOAWPAXQLKWAZEKIWWLLUBTPLBKCQBNUWXKQUQAMLKVYNZOZLVZHQMPACRBLXWEMVDKBJYSRJXZMYVQ | 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 | m209 | m209 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
null-cipher-v3-0091 | this it have outa them help who know more after great for outa down has of to water from its | this it have outa them help who know more after great for outa down has of to water from its | STEAM POWER TRANSFORMS | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "last"
} | advanced | en | 73 | 92 | cipher_museum | 2.0 | public | null | null |
cda-0019282 | - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - / -... . .- ..- ..-. --- .-. - / .. ... / - .... . / .-. . -.-. .. .--. .-. --- -.-. .- .-.. / --- ..-. / ...- .. --. . -. . .-... | - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - / -... . .- ..- ..-. --- .-. - / .. ... / - .... . / .-. . -.-. .. .--. .-. --- -.-. .- .-.. / --- ..-. / ...- .. --. . -. . .-... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | morse_code | morse_code | null | {} | hard | en | 142 | 142 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
sigaba-v2-0029 | SMIPVNHIVXAWENRHCJQTU | SMIPVNHIVXAWENRHCJQTU | PATIENCE BRINGS VICTORY | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0016381 | . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / .- -. / .- ..-. ..-. .. -. . / -.-. .. .--. .... . .-. / .- .--. .--. .-.. .. . ... / .- / .-.. .. -. . .- .-. / ..-. ..- -. -.-. - .. --- -. / - --- / . .- -.-. .... / .-.. . - - . .-. | . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / .- -. / .- ..-. ..-. .. -. . / -.-. .. .--. .... . .-. / .- .--. .--. .-.. .. . ... / .- / .-.. .. -. . .- .-. / ..-. ..- -. -.-. - .. --- -. / - --- / . .- -.-. .... / .-.. . - - . .-. | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | morse_code | morse_code | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
playfair-v3-0778 | NMFOQWSIBGRMSY | NMFOQWSIBGRMSY | THE APPLE FALLS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0013241 | 15.45.7 10.43.8 3.25.8 15.34.7 9.8.14 14.17.4 6.30.7 14.31.11 6.37.2 9.39.6 17.27.12 13.36.2 8.31.3 8.4.8 12.2.2 4.28.6 16.33.4 15.3.4 7.43.11 15.39.10 2.43.1 9.36.1 17.17.7 1.1.12 12.47.3 4.50.9 14.34.2 20.4.10 4.2.5 18.27.3 14.43.8 3.42.7 13.46.1 17.21.15 20.46.6 15.45.10 17.22.4 13.15.1 5.7.14 2.25.4 9.34.11 11.5.5 ... | 15.45.7 10.43.8 3.25.8 15.34.7 9.8.14 14.17.4 6.30.7 14.31.11 6.37.2 9.39.6 17.27.12 13.36.2 8.31.3 8.4.8 12.2.2 4.28.6 16.33.4 15.3.4 7.43.11 15.39.10 2.43.1 9.36.1 17.17.7 1.1.12 12.47.3 4.50.9 14.34.2 20.4.10 4.2.5 18.27.3 14.43.8 3.42.7 13.46.1 17.21.15 20.46.6 15.45.10 17.22.4 13.15.1 5.7.14 2.25.4 9.34.11 11.5.5 ... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | book_cipher | book_cipher | null | {} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
aeneas-tacticus-v3-0007 | 13 1 18 3 8 20 15 22 9 3 20 15 18 25 | 13 1 18 3 8 20 15 22 9 3 20 15 18 25 | MARCH TO VICTORY | aeneas_tacticus | aeneas_tacticus | steganography | {
"type": "none",
"value": null
} | expert | en | 23 | 36 | cipher_museum | 2.0 | public | null | null |
hill-v3-0186 | EADCJSIQJVZVJASMHVRXYQJSNPIAVGDCNNQORMEXKWPSHVLIOHTDESIMHWINBENIJWVGDCOXDBJSWSNEVAKWZH | EADCJSIQJVZVJASMHVRXYQJSNPIAVGDCNNQORMEXKWPSHVLIOHTDESIMHWINBENIJWVGDCOXDBJSWSNEVAKWZH | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
cda-0012831 | AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA | AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | bacon_cipher | bacon_cipher | null | {} | hard | en | 185 | 185 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0015020 | AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA | AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | bacon_cipher | bacon_cipher | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
adfgx-v2-0472 | AXGGAGDXGFDFXFGFFDXDXGFDGADD | AXGGAGDXGFDFXFGFFDXDXGFDGADD | STORM THE BREACH | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
typex-231 | LTUYBPLVDOITYNCJDLOWTMFFYNEFDOPZYACJGVESNSEYGIJCSXDKQECLOVUZ | LTUYBPLVDOITYNCJDLOWTMFFYNEFDOPZYACJGVESNSEYGIJCSXDKQECLOVUZ | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | typex | typex | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
trifid-076 | SDMKGIK+VLCFRMFOQN | SDMKGIK+VLCFRMFOQN | SEND REINFORCEMENTS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0117 | THEKINGDEMANDSFEALTY | THEKINGDEMANDSFEALTY | THE KING DEMANDS FEALTY | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0267 | CPGAGPEQCPDUGBGPTMGECUFSRFUNCSQAEBSUGEIRFLKCOOFLTGUKGPIILTGSCPDUFPKQOUIRALODTFCTGI | CPGAGPEQCPDUGBGPTMGECUFSRFUNCSQAEBSUGEIRFLKCOOFLTGUKGPIILTGSCPDUFPKQOUIRALODTFCTGI | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0018427 | ⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ | ⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ | FAIL CLOSED IS A POSTURE NOT A SLOGAN | pigpen | pigpen | null | {} | easy | en | 10 | 10 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0016760 | shal otedy qokedy okain rcheol okal ctaiin chol aiiin qokal shor shal cheol kaiiin okedy raiin chol lkaiin sheol oror qokeedy chor chedal qokal okal daral otain chor aiiin okal aiiin raiin otain qokedy otain | shal otedy qokedy okain rcheol okal ctaiin chol aiiin qokal shor shal cheol kaiiin okedy raiin chol lkaiin sheol oror qokeedy chor chedal qokal okal daral otain chor aiiin okal aiiin raiin otain qokedy otain | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | voynich_render | voynich_render | null | {} | hard | en | 173 | 173 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
trifid-v3-0508 | RDNM+DSKLFQJTPEVTTQHTQYZTBSDLRBRROPUSAFQJASFXWZUCJFAQEBREYTJBEBIXLCMDUAFSDUJIKPXDBXSWRIHMMFUWKFVJZFQUIPBDCSVDRDPXKOFIVGUENPURIBORGTPYXOTUMPAJEEKABDHHVLFAHJB+QTPESMLPRQ | RDNM+DSKLFQJTPEVTTQHTQYZTBSDLRBRROPUSAFQJASFXWZUCJFAQEBREYTJBEBIXLCMDUAFSDUJIKPXDBXSWRIHMMFUWKFVJZFQUIPBDCSVDRDPXKOFIVGUENPURIBORGTPYXOTUMPAJEEKABDHHVLFAHJB+QTPESMLPRQ | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0930 | OOHNDTRHAOLYPNHAMSAUNHRHHIOUHHOAFGATHLUNLPOWRKTSHAALUPDVVEDNEOYGAELENHTIRIOGENIEXESCNEOYALNOTGTTOTTSEOOUCTLLAADTIAFWUAKYHDTCTTOEDALEHNNDEIETTWSEOFNEINEEYPDLRMIK | OOHNDTRHAOLYPNHAMSAUNHRHHIOUHHOAFGATHLUNLPOWRKTSHAALUPDVVEDNEOYGAELENHTIRIOGENIEXESCNEOYALNOTGTTOTTSEOOUCTLLAADTIAFWUAKYHDTCTTOEDALEHNNDEIETTWSEOFNEINEEYPDLRMIK | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0012 | HAUSZPLT | HAUSZPLT | DEUS VULT | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
cda-0012401 | 9.4.5 3.6.8 15.6.9 6.4.7 16.3.6 2.4.2 17.6.4 11.1.3 12.6.10 14.6.4 19.2.9 14.1.1 15.6.5 18.4.8 14.3.8 8.2.8 5.3.3 11.2.2 1.1.10 4.4.3 7.5.1 10.6.9 14.2.2 1.2.10 15.2.3 9.5.10 2.2.6 8.5.6 14.4.2 16.4.6 17.2.1 18.3.9 15.3.8 19.6.4 1.1.2 6.4.7 10.6.2 12.2.3 3.2.7 16.6.5 6.6.5 18.1.3 19.2.3 8.5.5 18.6.7 1.3.5 6.1.7 7.5.7 1... | 9.4.5 3.6.8 15.6.9 6.4.7 16.3.6 2.4.2 17.6.4 11.1.3 12.6.10 14.6.4 19.2.9 14.1.1 15.6.5 18.4.8 14.3.8 8.2.8 5.3.3 11.2.2 1.1.10 4.4.3 7.5.1 10.6.9 14.2.2 1.2.10 15.2.3 9.5.10 2.2.6 8.5.6 14.4.2 16.4.6 17.2.1 18.3.9 15.3.8 19.6.4 1.1.2 6.4.7 10.6.2 12.2.3 3.2.7 16.6.5 6.6.5 18.1.3 19.2.3 8.5.5 18.6.7 1.3.5 6.1.7 7.5.7 1... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | arnold_andre | arnold_andre | null | {} | hard | en | 84 | 84 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0015314 | - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . / .-- .. - .... / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--.... | - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . / .-- .. - .... / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--.... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | morse_code | morse_code | null | {} | hard | en | 155 | 155 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
wheatstone-v3-0284 | WDBSTLAQESMPLNESBJBKSLCBEKSDAWDLHAWLPHTBKTYASHLQADEQLWKEJJLPSBHQLUHNLPAVAP | WDBSTLAQESMPLNESBJBKSLCBEKSDAWDLHAWLPHTBKTYASHLQADEQLWKEJJLPSBHQLUHNLPAVAP | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
m209-v2-0400 | ZVISYAESACQQNJBO | ZVISYAESACQQNJBO | DIVIDE AND CONQUER | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0017586 | 17.18.3 17.11.3 18.19.7 8.43.12 12.23.4 3.35.11 16.49.2 17.8.2 19.11.1 6.4.5 17.33.13 2.47.15 19.34.6 6.3.5 10.27.5 20.7.3 13.40.3 5.15.10 19.34.4 2.46.5 7.44.1 13.49.15 14.10.11 16.7.13 1.15.15 10.14.3 7.25.1 13.37.14 8.40.9 3.38.2 19.47.13 9.14.6 6.22.5 20.20.13 4.24.13 14.43.3 19.19.6 11.21.14 15.36.6 11.19.5 4.19.1... | 17.18.3 17.11.3 18.19.7 8.43.12 12.23.4 3.35.11 16.49.2 17.8.2 19.11.1 6.4.5 17.33.13 2.47.15 19.34.6 6.3.5 10.27.5 20.7.3 13.40.3 5.15.10 19.34.4 2.46.5 7.44.1 13.49.15 14.10.11 16.7.13 1.15.15 10.14.3 7.25.1 13.37.14 8.40.9 3.38.2 19.47.13 9.14.6 6.22.5 20.20.13 4.24.13 14.43.3 19.19.6 11.21.14 15.36.6 11.19.5 4.19.1... | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM SLOWLY | book_cipher | book_cipher | null | {} | hard | en | 227 | 227 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
double-transposition-v3-0367 | MRDNWCCHETBETIETOILNIAINUSNDNIIIOOILBLETNSWENSHTCIDIAAEIUEIEISLAERSRLGSETGNICO | MRDNWCCHETBETIETOILNIAINUSNDNIIIOOILBLETNSWENSHTCIDIAAEIUEIEISLAERSRLGSETGNICO | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0439 | OODEACMQUSPSD | OODEACMQUSPSD | FULL SAIL AHEAD | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0973 | FNCNFGFGZYESHSLJHVB | FNCNFGFGZYESHSLJHVB | THE TELESCOPE REVEALS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ZZA"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
purple-v3-0096 | RBKBUJZZHPUPHJZOELPRFFEDXIDTBVJJXZOBVJSCEWFWGDBFHLTGDXRCUASKDZSFOGQLSIPZQCKBZTRHAUBKZXTMYQSCRVATIORMYDFWNILTTDEEWRNOMZJCHFCMPNZHRJQRZKHDTZNGMMWCJLJEGZVGMQSBQXTGKDLKC | RBKBUJZZHPUPHJZOELPRFFEDXIDTBVJJXZOBVJSCEWFWGDBFHLTGDXRCUASKDZSFOGQLSIPZQCKBZTRHAUBKZXTMYQSCRVATIORMYDFWNILTTDEEWRNOMZJCHFCMPNZHRJQRZKHDTZNGMMWCJLJEGZVGMQSBQXTGKDLKC | ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
polybius-it-003 | 24 44 11 31 24 11 45 33 11 15 24 33 14 24 51 24 43 24 12 24 31 15 | 24 44 11 31 24 11 45 33 11 15 24 33 14 24 51 24 43 24 12 24 31 15 | ITALIA UNA E INDIVISIBILE | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | it | 44 | 65 | cipher_museum | 0.2 | public | null | null |
cda-0017619 | 11.20.5 3.37.11 1.1.3 9.39.1 12.48.1 1.40.11 17.35.4 20.9.1 6.4.15 10.16.10 7.20.9 11.14.8 12.29.11 5.31.11 13.24.1 15.34.5 5.48.12 6.48.4 7.38.7 11.39.15 5.50.9 14.24.4 14.13.5 2.12.13 8.28.13 4.28.6 9.41.1 7.34.13 11.10.5 10.2.1 7.33.6 18.41.5 1.48.12 14.37.8 19.47.9 2.5.15 5.45.12 6.37.4 12.47.4 5.21.9 2.3.8 19.26.6... | 11.20.5 3.37.11 1.1.3 9.39.1 12.48.1 1.40.11 17.35.4 20.9.1 6.4.15 10.16.10 7.20.9 11.14.8 12.29.11 5.31.11 13.24.1 15.34.5 5.48.12 6.48.4 7.38.7 11.39.15 5.50.9 14.24.4 14.13.5 2.12.13 8.28.13 4.28.6 9.41.1 7.34.13 11.10.5 10.2.1 7.33.6 18.41.5 1.48.12 14.37.8 19.47.9 2.5.15 5.45.12 6.37.4 12.47.4 5.21.9 2.3.8 19.26.6... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | book_cipher | book_cipher | null | {} | hard | en | 98 | 98 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
two-square-v2-0003 | HOAFUGELINLZ | HOAFUGELINLZ | HOLD THE LINE | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0267 | LJPVKTLDXWKADEDS | LJPVKTLDXWKADEDS | ABORT AND WITHDRAW | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0163 | TEICCKEOTVJRDISFDFOHDOBJUOSZAHGRWVIOOI+SNDIQVUNANIGJ+JCOSOSVTRFHWOAI+EDZDH | TEICCKEOTVJRDISFDFOHDOBJUOSZAHGRWVIOOI+SNDIQVUNANIGJ+JCOSOSVTRFHWOAI+EDZDH | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
typex-v2-0361 | SJMBYLWRPLTMVROLVPWDASEVWSSYYFSXBXPBMPSMAQNPVLSYQELGODKOMWWOKKCMXGGBXRBYWCTJIYHRNVSAQBOFMOCRZMCKDVXFRFNZWXDVAFGUUQQJPIWHCZASIZSSHHTNVLGJMEORNGQBMCRUHTPCNCBCZDWTVGEK | SJMBYLWRPLTMVROLVPWDASEVWSSYYFSXBXPBMPSMAQNPVLSYQELGODKOMWWOKKCMXGGBXRBYWCTJIYHRNVSAQBOFMOCRZMCKDVXFRFNZWXDVAFGUUQQJPIWHCZASIZSSHHTNVLGJMEORNGQBMCRUHTPCNCBCZDWTVGEK | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
slidex-168 | FVYMZVETRZELEFFRQRLQVZXMYMBUCRDSQYFRHPPKETKTNHWQUUFUWWJB | FVYMZVETRZELEFFRQRLQVZXMYMBUCRDSQYFRHPPKETKTNHWQUUFUWWJB | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | slidex | slidex | transposition | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
sigaba-176 | DCQFVYIVCMKPEXRQERHUGUHMFSSFTKSHEVZYSHABXMFVRBGAWJIYTBGHSBBDWCCIPYQZOSMCCSBQZBDNXVUPJUZJVXSIRKQSCHOYDCJUMMJVMEVFIIOXZXKXMBJESOERWCTISFTRKIFCGVHGIOGUI | DCQFVYIVCMKPEXRQERHUGUHMFSSFTKSHEVZYSHABXMFVRBGAWJIYTBGHSBBDWCCIPYQZOSMCCSBQZBDNXVUPJUZJVXSIRKQSCHOYDCJUMMJVMEVFIIOXZXKXMBJESOERWCTISFTRKIFCGVHGIOGUI | 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 | sigaba | sigaba | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
cda-0020538 | 5.6.9 17.4.5 1.6.10 13.4.7 15.3.8 3.5.7 4.1.8 18.3.7 1.2.2 17.6.3 6.5.6 2.5.6 3.5.5 19.2.4 17.6.1 7.4.9 7.2.4 10.1.10 4.5.10 17.5.10 14.2.1 3.2.9 8.5.1 18.5.4 6.2.9 9.2.1 19.3.5 18.6.5 5.1.6 16.3.1 9.2.4 5.6.2 13.1.4 16.6.5 2.3.7 15.1.4 5.2.1 2.5.9 11.1.9 9.3.6 20.2.10 11.6.7 8.3.3 6.6.2 10.3.2 2.6.3 7.2.1 10.2.3 16.5.... | 5.6.9 17.4.5 1.6.10 13.4.7 15.3.8 3.5.7 4.1.8 18.3.7 1.2.2 17.6.3 6.5.6 2.5.6 3.5.5 19.2.4 17.6.1 7.4.9 7.2.4 10.1.10 4.5.10 17.5.10 14.2.1 3.2.9 8.5.1 18.5.4 6.2.9 9.2.1 19.3.5 18.6.5 5.1.6 16.3.1 9.2.4 5.6.2 13.1.4 16.6.5 2.3.7 15.1.4 5.2.1 2.5.9 11.1.9 9.3.6 20.2.10 11.6.7 8.3.3 6.6.2 10.3.2 2.6.3 7.2.1 10.2.3 16.5.... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | arnold_andre | arnold_andre | null | {} | hard | en | 93 | 93 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0011824 | BTXB SGST SGPO LGQU HFBE IQHI LUKH SSHF SPIA GMMH FHOS KHSS HF | BTXB SGST SGPO LGQU HFBE IQHI LUKH SSHF SPIA GMMH FHOS KHSS HF | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | monoalphabetic | monoalphabetic | null | {
"alphabet": "IXLAHMCUGYRKEOPQNFBSTDJWZV"
} | medium | en | 50 | 50 | synthetic_educational | null | null | [] | |
kama-sutra-v3-0376 | KNENARF CRMMUE FNV MJN MJYAV RATI YE R VRAYEK XZNNC RPAUXX LAREPN LUFFUZYEK MJN QANRGUOM | KNENARF CRMMUE FNV MJN MJYAV RATI YE R VRAYEK XZNNC RPAUXX LAREPN LUFFUZYEK MJN QANRGUOM | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0308 | ZSXBKJBHPDHTVQILJWSHALVJEMYRTKOFVNTSXTFDQKODZQQPTJFVKRMFXODZQQHHETA | ZSXBKJBHPDHTVQILJWSHALVJEMYRTKOFVNTSXTFDQKODZQQPTJFVKRMFXODZQQHHETA | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
cda-0010780 | O ZARRZ QON QYOGFWNL BOGFSENG PGH VF QON OYEC PS KEABT FVR RSGSQGWJR EHHRWRE DOFHRDBF PSSAFR AOXWBT QZOWAF | O ZARRZ QON QYOGFWNL BOGFSENG PGH VF QON OYEC PS KEABT FVR RSGSQGWJR EHHRWRE DOFHRDBF PSSAFR AOXWBT QZOWAF | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | porta | porta | null | {
"key": "KEY"
} | hard | en | 89 | 89 | synthetic_educational | null | null | [] | |
diana-068 | VUEEPDKAWZQE | VUEEPDKAWZQE | HOLD POSITION | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
noisy-caesar-telegraph-029 | FWHVDU FLSKHU LV QDPGH DIWHU MXOLX VFDHVDU ZKR XH G LW IRU PLOLWDUB FRUUHVSRQGHQFH | FWHVDU FLSKHU LV QDPGH DIWHU MXOLX VFDHVDU ZKR XH G LW IRU PLOLWDUB FRUUHVSRQGHQFH | CAESAR CIPHER IS NAMED AFTER JULIUS CAESAR WHO USED IT FOR MILITARY CORRESPONDENCE | caesar | caesar | substitution | {
"type": "shift",
"value": 3
} | beginner | en | 69 | 82 | cipher_museum | 0.2 | public | null | null |
m209-144 | KLKKJQQOPY | KLKKJQQOPY | TRUST NO ONE | m209 | m209 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
wheatstone-v2-0059 | VROHTDDAYPHQJIQHRERTLHROTIGVROHTDDAYPHQJIQHRDTIGYIPPNJSIGOTIGYIQHRAYRDGO | VROHTDDAYPHQJIQHRERTLHROTIGVROHTDDAYPHQJIQHRDTIGYIPPNJSIGOTIGYIQHRAYRDGO | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
trifid-296 | UKTAAVUAESJFUIINTMTMHTEQP+FTPYEHFBGFEWIBGHZTBNTTEFEUQSRDMXCHTEYTOVXDCITEAISO+F+FDNX+ITTAIQ+SQRHEYICF+TULNGTMTUJJCXXK+YIJDVATMQJCQSFJTTAKEAFG+LJHSTLTF | UKTAAVUAESJFUIINTMTMHTEQP+FTPYEHFBGFEWIBGHZTBNTTEFEUQSRDMXCHTEYTOVXDCITEAISO+F+FDNX+ITTAIQ+SQRHEYICF+TULNGTMTUJJCXXK+YIJDVATMQJCQSFJTTAKEAFG+LJHSTLTF | 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 | trifid | trifid | fractionation | {
"type": "keyword",
"value": "TRIFID"
} | advanced | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
great-cipher-v2-0378 | 170 140 101 140 149 140 156 149 167 171 101 140 121 164 121 154 147 163 135 100 174 119 160 132 126 152 162 131 132 182 114 132 140 149 130 131 140 133 175 164 154 150 165 135 158 169 109 142 176 138 161 164 135 123 140 160 119 142 145 163 148 174 108 175 123 112 175 144 154 127 164 125 109 175 119 111 149 116 166 125 ... | 170 140 101 140 149 140 156 149 167 171 101 140 121 164 121 154 147 163 135 100 174 119 160 132 126 152 162 131 132 182 114 132 140 149 130 131 140 133 175 164 154 150 165 135 158 169 109 142 176 138 161 164 135 123 140 160 119 142 145 163 148 174 108 175 123 112 175 144 154 127 164 125 109 175 119 111 149 116 166 125 ... | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 396 | 527 | cipher_museum | 2.0 | public | null | null |
beaufort-091 | FATGULYMXMWBOUYMJLMTBWNIWAFMCKEAIXABFDGHXRADBMAPBLWRBYXTQ | FATGULYMXMWBOUYMJLMTBWNIWAFMCKEAIXABFDGHXRADBMAPBLWRBYXTQ | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0282 | FQASGFHLOYCHRWLASICJAYOSQBAFINNFBIRDWFHLJVWHDGAVYVZEKDSRMUQZJMVLRVNTGSFU | FQASGFHLOYCHRWLASICJAYOSQBAFINNFBIRDWFHLJVWHDGAVYVZEKDSRMUQZJMVLRVNTGSFU | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0010834 | OUOOPTINSXTNERSHTMIKGMSEYSDTETRYXEIREBSCCTSTEMAFEIIADIAITCVEWLRPECSINEAHSMOSTGNRRNAYHTIULHEDSNFXXUYCUTOARCAFLTEITCRERNIKETRDNAENSTLDEIIKINFEDAIEESEERTSIIUENRCLXXLAUDSLMTSIONDTDXPMTPIAEAOFNELOO | OUOOPTINSXTNERSHTMIKGMSEYSDTETRYXEIREBSCCTSTEMAFEIIADIAITCVEWLRPECSINEAHSMOSTGNRRNAYHTIULHEDSNFXXUYCUTOARCAFLTEITCRERNIKETRDNAENSTLDEIIKINFEDAIEESEERTSIIUENRCLXXLAUDSLMTSIONDTDXPMTPIAEAOFNELOO | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CAREFULLY | stager_route | stager_route | null | {
"cols": 6
} | hard | en | 192 | 192 | synthetic_educational | null | null | [] | |
atbash-v3-0021 | GSV KIRMGRMT KIVHH XSZMTVH ZOO | GSV KIRMGRMT KIVHH XSZMTVH ZOO | THE PRINTING PRESS CHANGES ALL | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 26 | 30 | cipher_museum | 2.0 | public | null | null |
babington-v3-0073 | ⟨a20⟩ ⟨w26⟩ ⟨n04⟩ ⟨a16⟩ ⟨n04⟩ ⟨w01⟩ ⟨w02⟩ ⟨a13⟩ ⟨a02⟩ ⟨a05⟩ ⟨a16⟩ ⟨w07⟩ ⟨w06⟩ ⟨w28⟩ ⟨a02⟩ ⟨a20⟩ | ⟨a20⟩ ⟨w26⟩ ⟨n04⟩ ⟨a16⟩ ⟨n04⟩ ⟨w01⟩ ⟨w02⟩ ⟨a13⟩ ⟨a02⟩ ⟨a05⟩ ⟨a16⟩ ⟨w07⟩ ⟨w06⟩ ⟨w28⟩ ⟨a02⟩ ⟨a20⟩ | SOUND THE TRUMPETS | babington | babington | nomenclator | {
"type": "seed",
"value": "SCOTLAND"
} | expert | en | 80 | 95 | cipher_museum | 2.0 | public | null | null |
cda-0010625 | KCAS LVRB SILG COKO KGOU NIFY IMPS AYZR WXVQ ERWX IFPA PXET VBZX WJHO CHEH YYXL EUCI TIJX WVVB JHVM OCDI VQIE PRGZ KRQR UFGT AVWD SSTZ HGBP J | KCAS LVRB SILG COKO KGOU NIFY IMPS AYZR WXVQ ERWX IFPA PXET VBZX WJHO CHEH YYXL EUCI TIJX WVVB JHVM OCDI VQIE PRGZ KRQR UFGT AVWD SSTZ HGBP J | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | autokey | autokey | null | {
"primer": "HONEST"
} | hard | en | 113 | 113 | synthetic_educational | null | null | [] | |
zimmermann-027 | 00000 99999 90019 90017 90000 90015 99998 00006 99999 90018 90004 90019 99998 | 00000 99999 90019 90017 90000 90015 99998 00006 99999 90018 90004 90019 99998 | THE TRAP IS SET | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 65 | 77 | cipher_museum | 0.2 | public | null | null |
tap-code-v3-0063 | .... .... .... .. . . . .... . ..... . ... .... .. . . .. . .... .... .. .... .... ... .... .... .. ... . ..... . . .... .. .... .... ... .... .. . . ... ... .... ... ... . .... .... ..... . ... .... .... .. .... ... ... .. .. . ... ... .... ..... . . ..... | .... .... .... .. . . . .... . ..... . ... .... .. . . .. . .... .... .. .... .... ... .... .... .. ... . ..... . . .... .. .... .... ... .... .. . . ... ... .... ... ... . .... .... ..... . ... .... .... .. .... ... ... .. .. . ... ... .... ..... . . ..... | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 543 | 892 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-184 | ETIGTJCUWNBMRXLSGVQWCMX | ETIGTJCUWNBMRXLSGVQWCMX | RENDEZVOUS AT MIDNIGHT | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 23 | 23 | cipher_museum | 0.2 | public | null | null |
solitaire-v3-0155 | XBXRQGLFUXVRSDQNBLIRVAHNALJGQIWTBXKKKKSFEIPKAGATTVPSTEUOVGMDQYXCUXELTGIH | XBXRQGLFUXVRSDQNBLIRVAHNALJGQIWTBXKKKKSFEIPKAGATTVPSTEUOVGMDQYXCUXELTGIH | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
zimmermann-v3-0015 | 00000 99999 90018 90008 90004 90006 90004 99998 99999 90001 90004 90006 90008 90013 90018 99998 | 00000 99999 90018 90008 90004 90006 90004 99998 99999 90001 90004 90006 90008 90013 90018 99998 | THE SIEGE BEGINS | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 80 | 95 | cipher_museum | 2.0 | public | null | null |
enigma-244 | PMJRWWDDJGCKPKEHMJGH | PMJRWWDDJGCKPKEHMJGH | RENDEZVOUS AT MIDNIGHT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "CAT"
} | expert | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v3-0369 | LGAFXAFALQSFVTWQGFVLZWXJGFLAWJGXZMESFCFGODWVYWUSDDKLGWSUZYWFWJSLAGFSFWO | LGAFXAFALQSFVTWQGFVLZWXJGFLAWJGXZMESFCFGODWVYWUSDDKLGWSUZYWFWJSLAGFSFWO | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0480 | ROHKXZÉ ÉMGROZÉ LXGZKXTOZÉ UA RG SUXZ IKY SUZY JÉLOTOYYKTZ RG XKBURAZOUT LXGTÇGOYK JK SOR YKVZ | ROHKXZÉ ÉMGROZÉ LXGZKXTOZÉ UA RG SUXZ IKY SUZY JÉLOTOYYKTZ RG XKBURAZOUT LXGTÇGOYK JK SOR YKVZ | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | caesar | caesar | substitution | {
"type": "shift",
"value": 6
} | beginner | en | 80 | 94 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0753 | HOUEHRINECRORHCOOOCRDONAYPFTTORUFEEGGEDMSRHNRERESHERFQROENEPZWLTTOAOUARBIESTIBHSVERATDONTWATAEIEHERSETEHIKHLOERTSTRRCTGLCAIBVLGTEISOEILALAJIONRFFREEATLVETOISONTACK | HOUEHRINECRORHCOOOCRDONAYPFTTORUFEEGGEDMSRHNRERESHERFQROENEPZWLTTOAOUARBIESTIBHSVERATDONTWATAEIEHERSETEHIKHLOERTSTRRCTGLCAIBVLGTEISOEILALAJIONRFFREEATLVETOISONTACK | 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 | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 163 | 163 | cipher_museum | 2.0 | public | null | null |
cda-0021372 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ | THE VIGENERE CIPHER USES A REPEATING KEYWORD | babington | babington | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
morse-code-v2-0112 | .- .-.. .-.. / .-- .- .-. ..-. .- .-. . / .. ... / -... .- ... . -.. / --- -. / -.. . -.-. . .--. - .. --- -. / .... . -. -.-. . / .-- .... . -. / .- -... .-.. . / - --- / .- - - .- -.-. -.- / .-- . / -- ..- ... - / ... . . -- / ..- -. .- -... .-.. . / .-- .... . -. / ..- ... .. -. --. / --- ..- .-. / ..-. --- .-. -.-.... | .- .-.. .-.. / .-- .- .-. ..-. .- .-. . / .. ... / -... .- ... . -.. / --- -. / -.. . -.-. . .--. - .. --- -. / .... . -. -.-. . / .-- .... . -. / .- -... .-.. . / - --- / .- - - .- -.-. -.- / .-- . / -- ..- ... - / ... . . -- / ..- -. .- -... .-.. . / .-- .... . -. / ..- ... .. -. --. / --- ..- .-. / ..-. --- .-. -.-.... | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 394 | 580 | cipher_museum | 2.0 | public | null | null |
diana-v2-0436 | YEGAALLSBXZJPNIUWXXHYYGNRMIQJPFEZBKZOZXDXUIHDMDHYYKIQZFTHMANRYUTUHTZ | YEGAALLSBXZJPNIUWXXHYYGNRMIQJPFEZBKZOZXDXUIHDMDHYYKIQZFTHMANRYUTUHTZ | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0253 | SDATEAEQIBQS | SDATEAEQIBQS | THE DIE IS CAST | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0072 | B1 L1 R8 N2 U4 C8 K4 X0 M6 G7 U4 M2 L5 S1 P9 I8 O4 T4 K8 U6 U4 S7 S6 X0 K3 J9 Q1 N2 M8 C8 Q3 O1 C4 Q6 T9 P9 B1 Q3 I8 P2 L0 O5 N2 U4 C8 M8 B7 M6 B3 C3 U4 T1 T9 N6 A5 O4 G7 U4 C8 R8 T8 O4 T4 C9 I4 C3 U6 O6 Q8 | B1 L1 R8 N2 U4 C8 K4 X0 M6 G7 U4 M2 L5 S1 P9 I8 O4 T4 K8 U6 U4 S7 S6 X0 K3 J9 Q1 N2 M8 C8 Q3 O1 C4 Q6 T9 P9 B1 Q3 I8 P2 L0 O5 N2 U4 C8 M8 B7 M6 B3 C3 U4 T1 T9 N6 A5 O4 G7 U4 C8 R8 T8 O4 T4 C9 I4 C3 U6 O6 Q8 | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 138 | 206 | cipher_museum | 2.0 | public | null | null |
typex-v3-0090 | KTQCPMMENJMIXYXARBOLDABIAYSLTNIOXCKEWVUTGKBKTOBNUQAYSXTRNIUDEHQFZIHUZOSELBZDIW | KTQCPMMENJMIXYXARBOLDABIAYSLTNIOXCKEWVUTGKBKTOBNUQAYSXTRNIUDEHQFZIHUZOSELBZDIW | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
nomenclator-078 | 02 21 18 14 01 06 20 05 18 18 05 01 04 09 14 07 | 02 21 18 14 01 06 20 05 18 18 05 01 04 09 14 07 | BURN AFTER READING | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 32 | 47 | cipher_museum | 0.2 | public | null | null |
cda-0021368 | 6295 2595 1655 3865 2887 00653 5743 00400 05698 7926 05066 5696 1579 05973 01622 05674 6938 1660 06033 03517 4419 04762 07299 3783 1667 1267 2249 1626 01965 04762 5732 6294 2599 01626 00952 4769 04159 4103 06677 4446 02919 06285 07915 06287 02595 1601 03521 0394 5973 2899 06039 03509 2921 1601 07634 0382 04118 02896 44... | 6295 2595 1655 3865 2887 00653 5743 00400 05698 7926 05066 5696 1579 05973 01622 05674 6938 1660 06033 03517 4419 04762 07299 3783 1667 1267 2249 1626 01965 04762 5732 6294 2599 01626 00952 4769 04159 4103 06677 4446 02919 06285 07915 06287 02595 1601 03521 0394 5973 2899 06039 03509 2921 1601 07634 0382 04118 02896 44... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | zimmermann | zimmermann | null | {} | hard | en | 97 | 97 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
trifid-v2-0037 | UXE+LLUPATFWGPMRXVDHJQXAD | UXE+LLUPATFWGPMRXVDHJQXAD | SICUT PATRIBUS SIT DEUS NOBIS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
playfair-056 | DMHQSRARQCXSXSTLCFRMPRIHMKRIGAEYRHILXGPDMVSZPDFEGCRABKPDBXCIGMTOMBSKELHKNMBXPMYQBXPDKMFCOXICIUGMHMCKTLAHMKRIPDFCSXPRNDHPDMHQPRPMQGSXBIRSLPFMGVKSXA | DMHQSRARQCXSXSTLCFRMPRIHMKRIGAEYRHILXGPDMVSZPDFEGCRABKPDBXCIGMTOMBSKELHKNMBXPMYQBXPDKMFCOXICIUGMHMCKTLAHMKRIPDFCSXPRNDHPDMHQPRPMQGSXBIRSLPFMGVKSXA | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "MONARCHY"
} | intermediate | en | 146 | 146 | cipher_museum | 0.2 | public | null | null |
cda-0022058 | YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO YVZFULIG RH GSV IVXRKILXZO LU ERTVMVIV ZMW WVXIBKGH RGHVOU UIRVWNZM VHGRNZGVW PVB OVMTGS UILN HGZGRHGRXH | YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO YVZFULIG RH GSV IVXRKILXZO LU ERTVMVIV ZMW WVXIBKGH RGHVOU UIRVWNZM VHGRNZGVW PVB OVMTGS UILN HGZGRHGRXH | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | atbash | atbash | null | {} | hard | en | 131 | 131 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
kl7-v2-0411 | TCPTOCLJMLRKD | TCPTOCLJMLRKD | ANNUIT COEPTIS | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0016483 | MBEZBONZBDEEUZKVIUSQYHRKGPNIXCBJBBQTJVTDENGXSIRRGYDDOTQASCXYAJWYWBPJLJDUELNKCCICCBNZRRBBWKXLMLZWIZAFDVEOYJOHOBYHMNBNMUHVITTDUNDBKVHCJGONSERTBYIXPQSSROCWS | MBEZBONZBDEEUZKVIUSQYHRKGPNIXCBJBBQTJVTDENGXSIRRGYDDOTQASCXYAJWYWBPJLJDUELNKCCICCBNZRRBBWKXLMLZWIZAFDVEOYJOHOBYHMNBNMUHVITTDUNDBKVHCJGONSERTBYIXPQSSROCWS | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS PERHAPS | vernam | vernam | null | {} | hard | en | 153 | 153 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0019143 | PARTS ENEMY ENEMY RAIDS RAIDS EXACT VAGUE INNER ENTER WIDTH AGAIN NAVAL DELAY RAIDS EXTRA PLACE ROUTE OFTEN DRIVE UNTIL CROSS INPUT BASIS INNER LINES | PARTS ENEMY ENEMY RAIDS RAIDS EXACT VAGUE INNER ENTER WIDTH AGAIN NAVAL DELAY RAIDS EXTRA PLACE ROUTE OFTEN DRIVE UNTIL CROSS INPUT BASIS INNER LINES | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE ARCHITECTURE SHOULD MAKE MISUSE HARDER ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | 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. |
venona-pad-reuse-032 | 2IXO27BRO2GYNZTZYTOGTA24MTBFODFACAD2KCGDF7CAP | 2IXO27BRO2GYNZTZYTOGTA24MTBFODFACAD2KCGDF7CAP | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "XMCKL"
} | expert | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v3-0302 | TWAJH3IURJ4GA5J7BCN3IU4IAO5NBTKIH4PBDXVXM7NEAKG5LBDAAON6NCMWQJIUZCDQAJWWALHADOVXKDF7BAKVQAME7PMRJEWRJHQAEIDXMQ27B4ASFAZBAJIHD7OR4MOIEWDBKXDPFCMKOABXFGDM7EITMLIK6 | TWAJH3IURJ4GA5J7BCN3IU4IAO5NBTKIH4PBDXVXM7NEAKG5LBDAAON6NCMWQJIUZCDQAJWWALHADOVXKDF7BAKVQAME7PMRJEWRJHQAEIDXMQ27B4ASFAZBAJIHD7OR4MOIEWDBKXDPFCMKOABXFGDM7EITMLIK6 | WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0993 | ID XCUXCXIN PCS QTNDCS IWT UGDCIXTG DU WJBPC ZCDLATSVT RPAAH ID TPRW VTCTGPIXDC PCTL | ID XCUXCXIN PCS QTNDCS IWT UGDCIXTG DU WJBPC ZCDLATSVT RPAAH ID TPRW VTCTGPIXDC PCTL | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | caesar | caesar | substitution | {
"type": "shift",
"value": 15
} | beginner | en | 71 | 84 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0139 | MTOEPJDUDIDGL | MTOEPJDUDIDGL | THE APPLE FALLS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-1029 | GJKW SDYQRHB | GJKW SDYQRHB | KNOW THYSELF | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "VALOR"
} | beginner | en | 11 | 12 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0207 | ZTIIHDJUMSUFKEPCIOFAMKHYJSKUZGNIXRBWXYNJROCLKWBIQMNCLQLOWFOGZMGMOVEMJFTWAQOHMVIGZTWGCYQWXKXJHCQAJLYICSBLTOXJVMPFKAHSAFENTTAVYYRHYQRMGOCKADRMNLKJBRQWKWUMQPJUAYPADNQXMUBLPEOVNAOTZOWXUC | ZTIIHDJUMSUFKEPCIOFAMKHYJSKUZGNIXRBWXYNJROCLKWBIQMNCLQLOWFOGZMGMOVEMJFTWAQOHMVIGZTWGCYQWXKXJHCQAJLYICSBLTOXJVMPFKAHSAFENTTAVYYRHYQRMGOCKADRMNLKJBRQWKWUMQPJUAYPADNQXMUBLPEOVNAOTZOWXUC | 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 | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0418 | 85 25 80 53 36 74 38 66 54 23 63 47 46 52 43 66 29 58 34 36 64 59 59 36 57 84 38 67 45 24 104 38 46 33 23 67 59 67 45 36 64 27 80 53 24 63 29 50 33 25 86 25 59 65 56 105 26 79 72 54 66 25 80 53 36 77 26 58 45 26 77 29 59 45 54 | 85 25 80 53 36 74 38 66 54 23 63 47 46 52 43 66 29 58 34 36 64 59 59 36 57 84 38 67 45 24 104 38 46 33 23 67 59 67 45 36 64 27 80 53 24 63 29 50 33 25 86 25 59 65 56 105 26 79 72 54 66 25 80 53 36 77 26 58 45 26 77 29 59 45 54 | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 152 | 226 | cipher_museum | 2.0 | public | null | null |
vic-094 | 903454287590898781859580469033692474486825469084954946828245690480 | 903454287590898781859580469033692474486825469084954946828245690480 | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | vic | vic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 66 | 66 | cipher_museum | 0.2 | public | null | null |
voynich-render-v3-0014 | fijdq gcd eqojaqkehd | fijdq gcd eqojaqkehd | LOWER THE DRAWBRIDGE | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 18 | 20 | cipher_museum | 2.0 | public | null | null |
nihilist-040 | 86 50 67 67 40 89 69 56 68 66 58 99 76 46 99 67 50 76 59 40 77 67 50 67 49 46 78 86 50 67 67 40 89 69 46 79 85 50 65 47 37 65 45 50 75 58 50 65 | 86 50 67 67 40 89 69 56 68 66 58 99 76 46 99 67 50 76 59 40 77 67 50 67 49 46 78 86 50 67 67 40 89 69 46 79 85 50 65 47 37 65 45 50 75 58 50 65 | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | nihilist | nihilist | fractionation | {
"polybius": "RUSSIAN",
"keyword": "KEY"
} | advanced | en | 96 | 143 | cipher_museum | 0.2 | public | null | null |
chaocipher-131 | MWCSPGZNVMUMT | MWCSPGZNVMUMT | CHANGE OF PLANS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
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