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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
kama-sutra-v2-0102 | EUPLVQÉ ÉHYEUQÉ JVYQLVXUQÉ CI EY DCVQ OLZ DCQZ MÉJUXUZZLXQ EY VLRCEIQUCX JVYXÇYUZL ML DUE ZLBQ | EUPLVQÉ ÉHYEUQÉ JVYQLVXUQÉ CI EY DCVQ OLZ DCQZ MÉJUXUZZLXQ EY VLRCEIQUCX JVYXÇYUZL ML DUE ZLBQ | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 80 | 94 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0503 | NYTVLJLFGFRGNPSXSZSTHHJXAGILKHWNYCBNBREJMHDXGZRMGZWQGGVZZDEHBPXAIKJEVABBTTKFLHLUWLRIYQGWPLBWQAWONUQMJDPIOKPMVNHMFAYTPJRDCTNYILBLVPZBBUBNTUBFFIUFTBWPWUTCDONOEJNVPQJPMRCFXXTN | NYTVLJLFGFRGNPSXSZSTHHJXAGILKHWNYCBNBREJMHDXGZRMGZWQGGVZZDEHBPXAIKJEVABBTTKFLHLUWLRIYQGWPLBWQAWONUQMJDPIOKPMVNHMFAYTPJRDCTNYILBLVPZBBUBNTUBFFIUFTBWPWUTCDONOEJNVPQJPMRCFXXTN | 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 | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
arnold-andre-v3-0005 | 13.1.1 14.4.4 14.3.5 14.5.1 14.3.4 14.1.4 15.1.1 1.1.2 13.1.1 14.4.5 14.4.3 14.5.1 14.3.3 14.4.1 14.1.5 14.4.5 14.4.4 15.1.1 | 13.1.1 14.4.4 14.3.5 14.5.1 14.3.4 14.1.4 15.1.1 1.1.2 13.1.1 14.4.5 14.4.3 14.5.1 14.3.3 14.4.1 14.1.5 14.4.5 14.4.4 15.1.1 | SOUND THE TRUMPETS | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 107 | 124 | cipher_museum | 2.0 | public | null | null |
affine-v2-0496 | CFF GCYF QO RQDQRWR QPTU TLJWW ZCJTO UPW UB ILQML TLW HWFGCW QPLCHQT TLW CEYQTCPQ CPUTLWJ CPR TLW TLQJR TLUOW ILU QP TLWQJ UIP FCPGYCGW CJW MCFFWR MWFTO QP UYJO GCYFO | CFF GCYF QO RQDQRWR QPTU TLJWW ZCJTO UPW UB ILQML TLW HWFGCW QPLCHQT TLW CEYQTCPQ CPUTLWJ CPR TLW TLQJR TLUOW ILU QP TLWQJ UIP FCPGYCGW CJW MCFFWR MWFTO QP UYJO GCYFO | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | affine | affine | substitution | {
"a": 5,
"b": 2
} | beginner | en | 136 | 166 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0144 | MESFIGBOWRCKBV | MESFIGBOWRCKBV | HONOR ABOVE ALL | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
pigpen-v2-0082 | ╳ ┬ ┤• ╲ ┼ ╳• ┬ ┤• ¬ ⌐ ┼• ┼• ┤• ╳ ┐• ┼ ├• ┼ ├• ┴ ┼ ┐• ╳ ┬ ┼ ┌• ⌐ ╲ ╳ ⌐ ┐• ┼ ¬ ┤• ┼• ├ ┼ ├• ┼• ┼ ├ ╳ ┤• ┐• ┼ ┌• ┼ ⌐ ╳ ┐ ╳ ⌐ ╲ ┌• ┬ ┐ ¬• ┤• ╲ ┤• ┌• ┬ ┼ ┐• ╲ ⌐ ┼• ╳ ⌐ ▽ ⌐ ┼• ⌐ ┤• ┴ ╲ ┼ ┐• ╲• ┼ ├ | ╳ ┬ ┤• ╲ ┼ ╳• ┬ ┤• ¬ ⌐ ┼• ┼• ┤• ╳ ┐• ┼ ├• ┼ ├• ┴ ┼ ┐• ╳ ┬ ┼ ┌• ⌐ ╲ ╳ ⌐ ┐• ┼ ¬ ┤• ┼• ├ ┼ ├• ┼• ┼ ├ ╳ ┤• ┐• ┼ ┌• ┼ ⌐ ╳ ┐ ╳ ⌐ ╲ ┌• ┬ ┐ ¬• ┤• ╲ ┤• ┌• ┬ ┼ ┐• ╲ ⌐ ┼• ╳ ⌐ ▽ ⌐ ┼• ⌐ ┤• ┴ ╲ ┼ ┐• ╲• ┼ ├ | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 111 | 191 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0085 | RMTOASYVJTPYHSJLXTPDPQDKHSATCQSCQQVQOTVQTHJDSPOTQQSTLLSIOSAOAKTOKJDJTQDHBJTXTQCPQ | RMTOASYVJTPYHSJLXTPDPQDKHSATCQSCQQVQOTVQTHJDSPOTQQSTLLSIOSAOAKTOKJDJTQDHBJTXTQCPQ | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
book-cipher-v2-0008 | 24.1 9.1 5.1 53.1 3.1 25 1.1 2.1 3.1 6.1 15.1 53.1 24.1 1.1 | 24.1 9.1 5.1 53.1 3.1 25 1.1 2.1 3.1 6.1 15.1 53.1 24.1 1.1 | ABORT AND WITHDRAW | book_cipher | book_cipher | codebook | {
"type": "none",
"value": null
} | expert | en | 46 | 59 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0251 | TEACRALTNFPEARMBIMUFSXFVFKVAKTADOYLKTMFKALKDOMKLVAKTURARMSSFCKMIUSADLKMJAKNILTMRMBMVARBFVAEUKDRADKUJOARSRAPRASAKTFKCSYIILOIASWMRDSLKDKUIISLKDRAJLFKADUKORMHAKBMRTWMNAKTURFAS | TEACRALTNFPEARMBIMUFSXFVFKVAKTADOYLKTMFKALKDOMKLVAKTURARMSSFCKMIUSADLKMJAKNILTMRMBMVARBFVAEUKDRADKUJOARSRAPRASAKTFKCSYIILOIASWMRDSLKDKUIISLKDRAJLFKADUKORMHAKBMRTWMNAKTURFAS | 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 | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
cda-0012768 | . ..... ..... . . ..... .... .. ..... .... .... ... ..... .... .... ... .... .... . ..... ... .. ... ... . ..... . ..... . .... .... ... . . ... ... .. ... ... .... ... ... . ..... .... ... .... .... .... .... .. ... .... .. . ..... . . .... .... ... .. ... .... . .... . ..... ... . .... | . ..... ..... . . ..... .... .. ..... .... .... ... ..... .... .... ... .... .... . ..... ... .. ... ... . ..... . ..... . .... .... ... . . ... ... .. ... ... .... ... ... . ..... .... ... .... .... .... .... .. ... .... .. . ..... . . .... .... ... .. ... .... . .... . ..... ... . .... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE BEST LESSONS SHOW WHERE THE METHOD FAILS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | tap_code | tap_code | null | {} | hard | en | 125 | 125 | 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. |
red-type-a-v2-0473 | GPURYPFOZGEDCMYMAWKUFTEPFUDYEKLIGXYVVIAVTYQPAIGUQIIMJUVRUIQRXYVEMGAWJZBYYNVYZAFYXH | GPURYPFOZGEDCMYMAWKUFTEPFUDYEKLIGXYVVIAVTYQPAIGUQIIMJUVRUIQRXYVEMGAWJZBYYNVYZAFYXH | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
morse-code-v2-0065 | .. / -.-. .- -. / -.. --- / .- .-.. .-.. / - .... .. -. --. ... / - .... .-. --- ..- --. .... / -.-. .... .-. .. ... - / .-- .... .. -.-. .... / ... - .-. . -. --. - .... . -. . - .... / -- . / .. -. / . ...- . .-. -.-- / - .-. .. .- .-.. / .- -. -.. / - .-. .. -... ..- .-.. .- - .. --- -. | .. / -.-. .- -. / -.. --- / .- .-.. .-.. / - .... .. -. --. ... / - .... .-. --- ..- --. .... / -.-. .... .-. .. ... - / .-- .... .. -.-. .... / ... - .-. . -. --. - .... . -. . - .... / -- . / .. -. / . ...- . .-. -.-- / - .-. .. .- .-.. / .- -. -.. / - .-. .. -... ..- .-.. .- - .. --- -. | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 203 | 290 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0922 | YWSXYLRLZISCWQQQSQTHSCAF | YWSXYLRLZISCWQQQSQTHSCAF | NORTH STAR HOLDS FIRM COURSE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
purple-082 | SLIAKFZSNCLRUBJJGE | SLIAKFZSNCLRUBJJGE | AWAIT FURTHER ORDERS | purple | purple | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0018848 | -.. .. ..-. ..-. .. . / .- -. -.. / .... . .-.. .-.. -- .- -. / .. -. - .-. --- -.. ..- -.-. . -.. / .--. ..- -... .-.. .. -.-. / -.- . -.-- / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .. -. / -. .. -. . - . . -. / ... . ...- . -. - -.-- / ... .. -..- / . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ..... | -.. .. ..-. ..-. .. . / .- -. -.. / .... . .-.. .-.. -- .- -. / .. -. - .-. --- -.. ..- -.-. . -.. / .--. ..- -... .-.. .. -.-. / -.- . -.-- / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .. -. / -. .. -. . - . . -. / ... . ...- . -. - -.-- / ... .. -..- / . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ..... | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | morse_code | morse_code | null | {} | hard | en | 102 | 102 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
hill-v3-0426 | VYFIJHRPAAHGVBFI | VYFIJHRPAAHGVBFI | PER ASPERA AD ASTRA | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0806 | LCCQCNOMUMDDLDZNZTVKGHYEBCHHRNCSKBBRRTIIHLQWZKVQVBTTPYZVJJWRTUGMNHRRQPMMLC | LCCQCNOMUMDDLDZNZTVKGHYEBCHHRNCSKBBRRTIIHLQWZKVQVBTTPYZVJJWRTUGMNHRRQPMMLC | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0007775 | RTVOE RNLTM OREOS DEMFD TRSAI SUINL IUTIE EPDTT NVOPE GTLAE SHSUS OUDIE HNRTA SAOCY CCREB INXEE LTNNA YDLGM RAEHE EDUSO LRTIC SLEEA SEIF | RTVOE RNLTM OREOS DEMFD TRSAI SUINL IUTIE EPDTT NVOPE GTLAE SHSUS OUDIE HNRTA SAOCY CCREB INXEE LTNNA YDLGM RAEHE EDUSO LRTIC SLEEA SEIF | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "SIGNAL"
} | hard | en | 114 | 114 | synthetic_educational | null | null | [] | |
vic-v3-0108 | 9083426899054189899188888591080480 | 9083426899054189899188888591080480 | THE CASTLE IS SURROUNDED | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
commercial-code-v2-0031 | ZUZUZ CEZUZ GAZUZ RAZUZ LAZUZ XUZUZ ZUZUZ CEZUZ LAZUZ FAZUZ LAZUZ XUZUZ ZUZUZ CEZUZ LAZUZ DAZUZ LAZUZ XUZUZ | ZUZUZ CEZUZ GAZUZ RAZUZ LAZUZ XUZUZ ZUZUZ CEZUZ LAZUZ FAZUZ LAZUZ XUZUZ ZUZUZ CEZUZ LAZUZ DAZUZ LAZUZ XUZUZ | VENI VIDI VICI | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 90 | 107 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0332 | THESECRETLIESBURIEDBENEATHTHETHIRDFLAGSTONEOFTHEOLDCHURCHCOURTYARDATDAWNTOMORROW | THESECRETLIESBURIEDBENEATHTHETHIRDFLAGSTONEOFTHEOLDCHURCHCOURTYARDATDAWNTOMORROW | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0309 | CHUVVGKHWORXSNOHAGUHHHNZGZZYUHMUCYKUGDJNVOTTVBXQGKAUHPTWIHKKBQIKKZSQXCZ | CHUVVGKHWORXSNOHAGUHHHNZGZZYUHMUCYKUGDJNVOTTVBXQGKAUHPTWIHKKBQIKKZSQXCZ | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0012033 | WOLL ACHE ETSA HWOL LACH EEMA EMAE TKIN TSAH DZEH MOAS ITKI NCLA GIAI HLIN DZEH GAHW OLLA CHEE CLAG IAIH CLAG IAIH DIBE HYAZ ZIET KIND ZEHD IBEH WOLL ACHE EDIB EHYA ZZIE TKIN TSAH DZEH WOLL ACHE EGAH MAEN ODAI HTSA HMOA SITH ANZI ETKI NAKH ATSA HTHA NZIE AKHA DZEH WOLL ACHE E | WOLL ACHE ETSA HWOL LACH EEMA EMAE TKIN TSAH DZEH MOAS ITKI NCLA GIAI HLIN DZEH GAHW OLLA CHEE CLAG IAIH CLAG IAIH DIBE HYAZ ZIET KIND ZEHD IBEH WOLL ACHE EDIB EHYA ZZIE TKIN TSAH DZEH WOLL ACHE EGAH MAEN ODAI HTSA HMOA SITH ANZI ETKI NAKH ATSA HTHA NZIE AKHA DZEH WOLL ACHE E | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | navajo_code | navajo_code | null | {} | hard | en | 221 | 221 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
geheimschreiber-v3-0108 | UJPHEDWLCPBZVMECORIA | UJPHEDWLCPBZVMECORIA | THE LEGIONS STAND READY | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0383 | HDWSI++YJGOBQOA | HDWSI++YJGOBQOA | CAVALRY ADVANCES | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0750 | OPGPMOXRSZVVKDQLFHGMOYXDIDSPVKMSUCFTDAVRSUIWXZXTYVVWZTBIVYFFJFOIBGSLIYIKSIEDDZIIGKXTYPJGRZZTAKEFMJGBMUODFWKKYIVKFPNYKMXQSFUZIKLCGXLMSKNZUGCKBAVYCIXOEFUEOIOCXVSYWKMBQZZZMZIVTEYFDYGZN | OPGPMOXRSZVVKDQLFHGMOYXDIDSPVKMSUCFTDAVRSUIWXZXTYVVWZTBIVYFFJFOIBGSLIYIKSIEDDZIIGKXTYPJGRZZTAKEFMJGBMUODFWKKYIVKFPNYKMXQSFUZIKLCGXLMSKNZUGCKBAVYCIXOEFUEOIOCXVSYWKMBQZZZMZIVTEYFDYGZN | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
cda-0014574 | 60 94 22 82 58 21 17 93 91 48 87 68 14 58 48 11 94 26 32 30 52 4 1 80 23 40 49 11 14 11 22 17 1 3 52 23 34 22 79 48 34 92 50 41 50 91 23 4 70 23 22 64 43 2 81 17 76 99 48 43 91 68 17 58 48 2 60 4 45 64 23 30 82 39 86 27 41 50 | 60 94 22 82 58 21 17 93 91 48 87 68 14 58 48 11 94 26 32 30 52 4 1 80 23 40 49 11 14 11 22 17 1 3 52 23 34 22 79 48 34 92 50 41 50 91 23 4 70 23 22 64 43 2 81 17 76 99 48 43 91 68 17 58 48 2 60 4 45 64 23 30 82 39 86 27 41 50 | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER EVERY SYSTEM NEEDS AN HONEST THREAT MODEL ALWAYS | homophonic | homophonic | null | {} | medium | en | 78 | 78 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
copiale-v3-0175 | F7 D5 E9 U2 W1 C0 K7 M2 E9 Y6 M4 Q4 D6 Q8 Q8 C7 D5 B4 G6 C7 C7 E5 O4 N3 N7 L2 B7 V2 N2 G4 A3 N4 B7 G7 O0 L7 E5 P3 P8 O9 T4 E4 G0 P8 E1 N5 D6 Y8 L1 O1 C7 N3 X1 G4 N5 F0 S8 C7 M2 E6 O0 U2 M9 O3 F1 U2 O5 P0 N2 X6 Q8 M2 U2 N5 L7 | F7 D5 E9 U2 W1 C0 K7 M2 E9 Y6 M4 Q4 D6 Q8 Q8 C7 D5 B4 G6 C7 C7 E5 O4 N3 N7 L2 B7 V2 N2 G4 A3 N4 B7 G7 O0 L7 E5 P3 P8 O9 T4 E4 G0 P8 E1 N5 D6 Y8 L1 O1 C7 N3 X1 G4 N5 F0 S8 C7 M2 E6 O0 U2 M9 O3 F1 U2 O5 P0 N2 X6 Q8 M2 U2 N5 L7 | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
m209-v2-0105 | LXXKXATSXPLIWSSXQSZVLKOMKTMVOPKQKWRNYTRAPKABQAQJJDMOWIZWKPRIVZYELKANTAQQREOZOPKIWYJZ | LXXKXATSXPLIWSSXQSZVLKOMKTMVOPKQKWRNYTRAPKABQAQJJDMOWIZWKPRIVZYELKANTAQQREOZOPKIWYJZ | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0666 | ICROQTY LQ DOFTB | ICROQTY LQ DOFTB | LIBERTY OR DEATH | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0327 | AOLYLNPTLUAZOHSSHKCHUJLHAMPYZASPNOAZBWWVYALKIFHYAPSSLYFVUAOLLHZALYUMSHURAVKHF | AOLYLNPTLUAZOHSSHKCHUJLHAMPYZASPNOAZBWWVYALKIFHYAPSSLYFVUAOLLHZALYUMSHURAVKHF | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "77777"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0031 | SNKLBTVTLBLYOMPWTFOIO | SNKLBTVTLBLYOMPWTFOIO | SONS OF LIBERTY ASSEMBLE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
null-cipher-v3-0018 | the right each after come have each right your it new than him each came only urae right to | the right each after come have each right your it new than him each came only urae right to | TREACHERY IN THE COURT | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "first"
} | advanced | en | 73 | 91 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0056 | QSVWEVWBEPIBKWCZAMWBPMZAUIGBISMJCBIANWZUMOQDMUMTQJMZBGWZOQDMUMLMIBP | QSVWEVWBEPIBKWCZAMWBPMZAUIGBISMJCBIANWZUMOQDMUMTQJMZBGWZOQDMUMLMIBP | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1869 | MYMLQVPFVVNIXSEYWFPXALGWMUIPHECHFXSKVQHRDYVVUYZIZTIZCHTMKFUNTTLTJBYDCJHDUUZSWHJBBQGL | MYMLQVPFVVNIXSEYWFPXALGWMUIPHECHFXSKVQHRDYVVUYZIZTIZCHTMKFUNTTLTJBYDCJHDUUZSWHJBBQGL | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0191 | 60 05 14 09 07 13 01 13 01 03 08 09 14 05 08 01 04 01 14 01 19 20 18 15 14 15 13 09 03 01 12 14 21 13 02 05 18 62 16 15 19 19 09 02 12 05 19 05 20 20 09 14 07 19 13 01 11 09 14 07 09 20 19 05 05 13 21 14 02 18 05 01 11 01 02 12 05 | 60 05 14 09 07 13 01 13 01 03 08 09 14 05 08 01 04 01 14 01 19 20 18 15 14 15 13 09 03 01 12 14 21 13 02 05 18 62 16 15 19 19 09 02 12 05 19 05 20 20 09 14 07 19 13 01 11 09 14 07 09 20 19 05 05 13 21 14 02 18 05 01 11 01 02 12 05 | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 154 | 230 | cipher_museum | 2.0 | public | null | null |
trifid-vg-0028 | QJKXOEACMVBAHEVKDXGRJBU+ELTUG+EHYGELGVLYJHRTKNDMDFBEPYVFJ+INDLNOOGRQVWOE | QJKXOEACMVBAHEVKDXGRJBU+ELTUG+EHYGELGVLYJHRTKNDMDFBEPYVFJ+INDLNOOGRQVWOE | THE LORD GIVES WISDOM FROM HIS MOUTH COME KNOWLEDGE AND UNDERSTANDING FOR ALL NATIONS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0019717 | . . ... .. ... .... . .... . ..... ... . . ... . . ... ... . ... ... . . . .... ... .... ... .. .... .. . ..... .... ... ..... . . .... .... .... .... . ..... .... .. ... ... .... ... . .. .... ..... .... .... .. .... .... .... . ... . . ... ... . . ... . .... ... ... .... . .. . .... | . . ... .. ... .... . .... . ..... ... . . ... . . ... ... . ... ... . . . .... ... .... ... .. .... .. . ..... .... ... ..... . . .... .... .... .... . ..... .... .. ... ... .... ... . .. .... ..... .... .... .. .... .... .... . ... . . ... ... . . ... . .... ... ... .... . .. . .... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | tap_code | tap_code | null | {} | hard | en | 88 | 88 | 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. |
cda-0006140 | AROGHABAPNHEOBUUIAGRCPMPHPOIERNGTBEAAEWACONCMKILANEARDMHTOLKLTSIRDAQESLEREESUPTAOTIPMPRTIBTIWEGNTBNIBHENEDBOHCINPRHEESCSXIIXNFIHDTSANRSREMESTIRU | AROGHABAPNHEOBUUIAGRCPMPHPOIERNGTBEAAEWACONCMKILANEARDMHTOLKLTSIRDAQESLEREESUPTAOTIPMPRTIBTIWEGNTBNIBHENEDBOHCINPRHEESCSXIIXNFIHDTSANRSREMESTIRU | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | stager_route | stager_route | null | {
"cols": 6
} | hard | en | 144 | 144 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
confederate-vigenere-v3-0118 | CWYLDHUHUZCDNFVGXM | CWYLDHUHUZCDNFVGXM | LOWER THE DRAWBRIDGE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
playfair-v2-1041 | OPNMTFMKOGPAZODLPCPGOPNMGNCAMPZDUARMIYMPMGLOHTDPPLPNIGOLHNZFNDREEHWGQRTNRPBWFPIGOLHNSMFPRQTNOLWGCPPAEMPHNLNMIOUAIXFOODHPPAEKSGOQNMGPFZPEPTOECQLY | OPNMTFMKOGPAZODLPCPGOPNMGNCAMPZDUARMIYMPMGLOHTDPPLPNIGOLHNZFNDREEHWGQRTNRPBWFPIGOLHNSMFPRQTNOLWGCPPAEMPHNLNMIOUAIXFOODHPPAEKSGOQNMGPFZPEPTOECQLY | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0755 | MOYTUIRMJCCKIIHMFBXMJQPPVQZVGAYQECRGAIVQIRGKVBQEMXUNHUIIHZMVJRFEBMRGEEHTYAFPRMVLBISMXYZVYIYNUXEHHENTVRUWIXWLRVIEMPHTVCCEHVYHWNHYXFDRUGBFYVEEWYYZDMEXKOAEVFDLHSRVKPVWRQXLKPYF | MOYTUIRMJCCKIIHMFBXMJQPPVQZVGAYQECRGAIVQIRGKVBQEMXUNHUIIHZMVJRFEBMRGEEHTYAFPRMVLBISMXYZVYIYNUXEHHENTVRUWIXWLRVIEMPHTVCCEHVYHWNHYXFDRUGBFYVEEWYYZDMEXKOAEVFDLHSRVKPVWRQXLKPYF | 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 | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "THUNDER"
} | intermediate | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
cda-0016491 | 44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43 44 23 15 25 11 43 24 43 25 24 15 53 11 32 24 33 11 44 24 34 33 21 24 33 14 43 42 15 35 15 11 44 15 14 44 42 24 22 42 11 32 43 24 33 13 24 35 23 15 42 44 15 53 44 | 44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43 44 23 15 25 11 43 24 43 25 24 15 53 11 32 24 33 11 44 24 34 33 21 24 33 14 43 42 15 35 15 11 44 15 14 44 42 24 22 42 11 32 43 24 33 13 24 35 23 15 42 44 15 53 44 | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | polybius | polybius | null | {} | hard | en | 102 | 102 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
confederate-vigenere-v3-0362 | AGALFAGTYFBBTMOMJPFWOAHENXJWGRVWIYMPYBBAMJGLDLASDYAEYZXLQBXOKYPOPSYP | AGALFAGTYFBBTMOMJPFWOAHENXJWGRVWIYMPYBBAMJGLDLASDYAEYZXLQBXOKYPOPSYP | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0007043 | FMTE LHSS CULA TTFE DIAR INMK NRAI RLYE CTOG EAEE DSTY TMIS FX | FMTE LHSS CULA TTFE DIAR INMK NRAI RLYE CTOG EAEE DSTY TMIS FX | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS CAREFULLY | stager_route | stager_route | null | {
"cols": 5
} | medium | en | 50 | 50 | synthetic_educational | null | null | [] | |
double-transposition-v2-0341 | TTRNINTWEISCTAEBDSHLBREEEASEGFAGAIBSABPCQMHOASNZAEANWNYIMTTANNNHVOSELIUEUSIITOOL | TTRNINTWEISCTAEBDSHLBREEEASEGFAGAIBSABPCQMHOASNZAEANWNYIMTTANNNHVOSELIUEUSIITOOL | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | double_transposition | double_transposition | transposition | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0012607 | ⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w... | ⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | babington | babington | null | {} | hard | en | 126 | 126 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
red-type-a-228 | AFEUELNIFBIWWYUIHCUNLOHNUIIWAXURYUIITAUNXIHFAUKKHYCANEKZ | AFEUELNIFBIWWYUIHCUNLOHNUIIWAXURYUIITAUNXIHFAUKKHYCANEKZ | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
hill-v3-0087 | OXGSBUAQIEKSJIHKVOJGNATZREFWYSGEUJQSXMREMPCIQEGXYODXTGRCKOYMLDGGRSGSGWSJTSYMFJBG | OXGSBUAQIEKSJIHKVOJGNATZREFWYSGEUJQSXMREMPCIQEGXYODXTGRCKOYMLDGGRSGSGWSJTSYMFJBG | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0011257 | VPTII JMSIT WGGDW ZGKJZ WYSPD LQVXA VHREB SGKNS BZJPK SEQZX JECUI GLXVS CYIKW NQATI GGSVI ZCGXJ XIFPA PXETV BZXWJ HOCHE HYYXL EUCIT IJXWV HSKUS EGUER WZTGP DAEGV SQYWO ZRRTG ZBRQB TVHK | VPTII JMSIT WGGDW ZGKJZ WYSPD LQVXA VHREB SGKNS BZJPK SEQZX JECUI GLXVS CYIKW NQATI GGSVI ZCGXJ XIFPA PXETV BZXWJ HOCHE HYYXL EUCIT IJXWV HSKUS EGUER WZTGP DAEGV SQYWO ZRRTG ZBRQB TVHK | THE BEST LESSONS SHOW WHERE THE METHOD FAILS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER A STRONG CLAIM NEEDS STRONG EVIDENCE TOMORROW | autokey | autokey | null | {
"primer": "CIPHER"
} | hard | en | 154 | 154 | synthetic_educational | null | null | [] | |
vernam-v3-0052 | TIGRRQEAPRXRZRQTIJSKSAKORGEUTLYRVOWOOGUYWHVFJZIJZJCMTPFRRTZOQWQLFNZA | TIGRRQEAPRXRZRQTIJSKSAKORGEUTLYRVOWOOGUYWHVFJZIJZJCMTPFRRTZOQWQLFNZA | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
vernam-v3-0024 | TIGZMSJPAFSETHG | TIGZMSJPAFSETHG | THE WIND IS WITH US | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0161 | NWMPCAPAATBY | NWMPCAPAATBY | IN GOD WE TRUST | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0047 | UQ UZ Y QVIQG IXURLVZYEEA YOWXCKELMHLM QGYQ Y ZUXHEL DYX UX BCZZLZZUCX CJ Y JCVQIXL DIZQ PL UX KYXQ CJ Y KUJL | UQ UZ Y QVIQG IXURLVZYEEA YOWXCKELMHLM QGYQ Y ZUXHEL DYX UX BCZZLZZUCX CJ Y JCVQIXL DIZQ PL UX KYXQ CJ Y KUJL | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 88 | 109 | cipher_museum | 2.0 | public | null | null |
rot13-029 | YBPX QBJA NYY TNGRF | YBPX QBJA NYY TNGRF | LOCK DOWN ALL GATES | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 16 | 19 | cipher_museum | 0.2 | public | null | null |
columnar-transposition-288 | KTSDNUOTUINHEYENTHLOBUARYDAEYWOFUYEERUORNEONRSFOYLOMEFET | KTSDNUOTUINHEYENTHLOBUARYDAEYWOFUYEERUORNEONRSFOYLOMEFET | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v3-0108 | 90 15 44 63 91 90 30 76 82 54 85 81 53 91 90 40 45 18 66 41 91 90 55 63 47 33 89 91 | 90 15 44 63 91 90 30 76 82 54 85 81 53 91 90 40 45 18 66 41 91 90 55 63 47 33 89 91 | THE LEGIONS STAND READY | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 56 | 83 | cipher_museum | 2.0 | public | null | null |
two-square-052 | RLEEHOMYHQSKOXHERWOXEMBWSIHMZWURDHALERPAFYQAHPGLYWGVHGQYEVCAQY | RLEEHOMYHQSKOXHERWOXEMBWSIHMZWURDHALERPAFYQAHPGLYWGVHGQYEVCAQY | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | two_square | two_square | polygraphic | {
"key1": "EXAMPLE",
"key2": "KEYWORD"
} | advanced | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
voynich-render-v3-0085 | gcd nijdqx rig edfdhogde gi gcd zrkgde xgogdx au gcd yirxgkgzgkir oqd qdxdqvde gi gcd xgogdx | gcd nijdqx rig edfdhogde gi gcd zrkgde xgogdx au gcd yirxgkgzgkir oqd qdxdqvde gi gcd xgogdx | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 77 | 92 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0131 | GALOQQRTVKSDPSSHGAPC | GALOQQRTVKSDPSSHGAPC | CAVALRY ADVANCES | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
diana-v2-0500 | SAPAZTHHHBBPMQAFKAEGKAUOYNCKKEDLKPQUTBNNGFTIOBNYUUKNRNLGPRTLJGSLHNQHLFTEXSZAKZEIXRAFEEDQXGSEIGARICLKJEEQCDXQEGXYNQAARGEYRHTTNUYEKEYLKYDHTGFTGUNTJBRYEJM | SAPAZTHHHBBPMQAFKAEGKAUOYNCKKEDLKPQUTBNNGFTIOBNYUUKNRNLGPRTLJGSLHNQHLFTEXSZAKZEIXRAFEEDQXGSEIGARICLKJEEQCDXQEGXYNQAARGEYRHTTNUYEKEYLKYDHTGFTGUNTJBRYEJM | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0612 | VHUNDEVRWJDUHIHDJRGZRBUFHEVGSSQKWMZNWLWJNWGAUTJKJXEKJWXCDUHXOGGIXGTUHENZKPDYGWAAQOLXTVHQYEKODWJDBLWJYKVHENCCSSKOLMSKKHHENQGTXXDVXHPDYJHYHUYLXWUIPKGWTDFZUPSKKGWWRXYHDDB | VHUNDEVRWJDUHIHDJRGZRBUFHEVGSSQKWMZNWLWJNWGAUTJKJXEKJWXCDUHXOGGIXGTUHENZKPDYGWAAQOLXTVHQYEKODWJDBLWJYKVHENCCSSKOLMSKKHHENQGTXXDVXHPDYJHYHUYLXWUIPKGWTDFZUPSKKGWWRXYHDDB | 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 | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ROYAL"
} | intermediate | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0081 | 32 62 44 22 82 18 57 14 66 65 51 88 78 36 22 21 72 45 88 30 73 16 51 69 82 22 57 75 32 30 16 21 88 14 41 22 73 43 82 88 22 56 66 25 53 57 21 44 65 87 16 25 53 75 71 72 88 51 14 66 15 72 13 66 30 46 24 72 82 59 57 51 34 36 21 32 52 82 22 44 75 | 32 62 44 22 82 18 57 14 66 65 51 88 78 36 22 21 72 45 88 30 73 16 51 69 82 22 57 75 32 30 16 21 88 14 41 22 73 43 82 88 22 56 66 25 53 57 21 44 65 87 16 25 53 75 71 72 88 51 14 66 15 72 13 66 30 46 24 72 82 59 57 51 34 36 21 32 52 82 22 44 75 | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 162 | 242 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0320 | LAPHOSENSTCRGBDENFYSASEAENEHITELDEREKOSTERHLOLAPAMERUERHEDEHESUSERATAGBDEMAS | LAPHOSENSTCRGBDENFYSASEAENEHITELDEREKOSTERHLOLAPAMERUERHEDEHESUSERATAGBDEMAS | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
beaufort-152 | PEUDNJPPLQNXNPRTKAYVLVGVVECAAJKWPXWEWIDZMYCYL | PEUDNJPPLQNXNPRTKAYVLVGVVECAAJKWPXWEWIDZMYCYL | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
two-square-v2-0406 | RALZDLBMRTHERNXFRGLHKRSURRENDEOOATAPPOKCPNAZBPQCQNOUPAQNBYRALHQNEEOPSKSOVEAW | RALZDLBMRTHERNXFRGLHKRSURRENDEOOATAPPOKCPNAZBPQCQNOUPAQNBYRALHQNEEOPSKSOVEAW | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
geez-monastic-183 | KOEESMDEOSZDSYCEC | KOEESMDEOSZDSYCEC | THE EAGLE HAS LANDED | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
cda-0014639 | 35 76 96 14 4 15 82 58 60 3 27 15 50 63 26 11 66 68 93 76 81 58 48 27 52 11 21 26 39 14 40 81 43 59 70 80 22 41 72 3 52 33 58 | 35 76 96 14 4 15 82 58 60 3 27 15 50 63 26 11 66 68 93 76 81 58 48 27 52 11 21 26 39 14 40 81 43 59 70 80 22 41 72 3 52 33 58 | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | homophonic | homophonic | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0014790 | TPPS IBEE GQLT ZFPV RXVP HBFJ BNVA AWZW JXAT PPPG SCOK IVED QFRF ZXJ | TPPS IBEE GQLT ZFPV RXVP HBFJ BNVA AWZW JXAT PPPG SCOK IVED QFRF ZXJ | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | running_key | running_key | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
nihilist-v2-0023 | 34 47 79 87 28 28 52 23 87 87 44 49 53 55 69 75 24 58 | 34 47 79 87 28 28 52 23 87 87 44 49 53 55 69 75 24 58 | LOOSE LIPS SINK SHIPS | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 36 | 53 | cipher_museum | 2.0 | public | null | null |
m94-v3-0130 | JWCKKNBBAGPKBOWKKPVBY | JWCKKNBBAGPKBOWKKPVBY | THE EXPERIMENT CONFIRMS | m94 | m94 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0673 | OCCIAMPNLTFTEZEGBO | OCCIAMPNLTFTEZEGBO | DEAD MEN TELL NO TALES | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0015668 | 8.4.9 19.28.6 16.40.5 19.38.10 19.22.1 3.23.13 6.32.8 7.5.8 16.13.10 3.26.14 11.46.2 12.31.3 10.43.7 12.3.12 9.22.15 18.3.5 16.21.5 13.7.15 11.44.11 10.32.12 1.48.12 4.25.10 1.2.4 10.36.15 2.21.12 18.43.9 19.5.2 4.12.12 16.10.15 13.4.10 1.7.3 14.49.12 19.39.3 14.24.5 1.9.5 11.32.7 13.36.3 19.35.5 11.4.5 17.9.5 16.30.2 ... | 8.4.9 19.28.6 16.40.5 19.38.10 19.22.1 3.23.13 6.32.8 7.5.8 16.13.10 3.26.14 11.46.2 12.31.3 10.43.7 12.3.12 9.22.15 18.3.5 16.21.5 13.7.15 11.44.11 10.32.12 1.48.12 4.25.10 1.2.4 10.36.15 2.21.12 18.43.9 19.5.2 4.12.12 16.10.15 13.4.10 1.7.3 14.49.12 19.39.3 14.24.5 1.9.5 11.32.7 13.36.3 19.35.5 11.4.5 17.9.5 16.30.2 ... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | book_cipher | book_cipher | null | {} | hard | en | 145 | 145 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
bazeries-v2-0655 | IOMPLOALYQOPWE | IOMPLOALYQOPWE | TRUST BUT VERIFY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0021465 | 66 36 82 66 80 50 66 36 82 77 50 59 61 52 50 65 36 82 80 68 11 95 68 29 52 82 61 66 36 82 68 57 65 36 68 20 82 66 20 43 69 29 82 65 69 61 50 66 50 69 29 82 68 52 36 57 82 66 66 82 80 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82 | 66 36 82 66 80 50 66 36 82 77 50 59 61 52 50 65 36 82 80 68 11 95 68 29 52 82 61 66 36 82 68 57 65 36 68 20 82 66 20 43 69 29 82 65 69 61 50 66 50 69 29 82 68 52 36 57 82 66 66 82 80 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82 | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER A STRONG CLAIM NEEDS STRONG EVIDENCE | wallis_cipher | wallis_cipher | null | {} | hard | en | 92 | 92 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
red-type-a-191 | HQUNRYUGTKAQC | HQUNRYUGTKAQC | CHANGE OF PLANS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
kryha-v3-0110 | CNEXXLPWSXWVGJVO | CNEXXLPWSXWVGJVO | THE GATES HOLD FIRM | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-131 | QDC4CX4BN2E6A | QDC4CX4BN2E6A | CHANGE OF PLANS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0196 | 24 36 77 45 36 36 64 58 36 88 52 44 58 45 25 29 | 24 36 77 45 36 36 64 58 36 88 52 44 58 45 25 29 | THE GATES HOLD FIRM | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 32 | 47 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0417 | BPM WZIKTM PIA AXWSMV | BPM WZIKTM PIA AXWSMV | THE ORACLE HAS SPOKEN | caesar | caesar | substitution | {
"type": "shift",
"value": 8
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0017282 | TRAC KHEN CEEX TRAV ERSE INCU RGRO UPEA RLYN ORTH EXAC TROA DSEX TRAC AUSE INPU TPAR TSHO URSE XTRA RIGH TUNI TEST AGEE ARLY SCOU TALO NGRO ADSE NEMY PHAS E | TRAC KHEN CEEX TRAV ERSE INCU RGRO UPEA RLYN ORTH EXAC TROA DSEX TRAC AUSE INPU TPAR TSHO URSE XTRA RIGH TUNI TEST AGEE ARLY SCOU TALO NGRO ADSE NEMY PHAS E | THE VIGENERE CIPHER USES A REPEATING KEYWORD | 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. |
commercial-code-v2-0040 | ZUZUZ RAZUZ SAZUZ WAZUZ ZAZUZ KAZUZ XUZUZ ZUZUZ XAZUZ ZAZUZ BAZUZ WAZUZ XUZUZ ZUZUZ KAZUZ SAZUZ PAZUZ FAZUZ XAZUZ XUZUZ ZUZUZ HAZUZ LAZUZ WAZUZ QAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ BEZUZ WAZUZ XAZUZ GAZUZ XUZUZ | ZUZUZ RAZUZ SAZUZ WAZUZ ZAZUZ KAZUZ XUZUZ ZUZUZ XAZUZ ZAZUZ BAZUZ WAZUZ XUZUZ ZUZUZ KAZUZ SAZUZ PAZUZ FAZUZ XAZUZ XUZUZ ZUZUZ HAZUZ LAZUZ WAZUZ QAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ BEZUZ WAZUZ XAZUZ GAZUZ XUZUZ | NORTH STAR HOLDS FIRM COURSE | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 170 | 203 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0344 | EJGOFHAOUQTHJXEKPYDZGRMNCFFLAEAXYOMNXTITCFXYNOKMRZNFXLDWTRXJEGDOHHFRDOVJSOFENV | EJGOFHAOUQTHJXEKPYDZGRMNCFFLAEAXYOMNXTITCFXYNOKMRZNFXLDWTRXJEGDOHHFRDOVJSOFENV | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-1117 | WR SDRPRBKPR SDR PRMPRQRJSVSEURQ KB SDR TJESRO QSVSRQ KB VIRPELV EJ CRJRPVH LKJCPRQQ VQQRIAHRO VMMRVHEJC SK SDR QTMPRIR FTOCR KB SDR WKPHO BKP SDR PRLSESTOR KB KTP EJSRJSEKJQ OK QKHRIJHY MTAHEQD | WR SDRPRBKPR SDR PRMPRQRJSVSEURQ KB SDR TJESRO QSVSRQ KB VIRPELV EJ CRJRPVH LKJCPRQQ VQQRIAHRO VMMRVHEJC SK SDR QTMPRIR FTOCR KB SDR WKPHO BKP SDR PRLSESTOR KB KTP EJSRJSEKJQ OK QKHRIJHY MTAHEQD | 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 | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "VALOR"
} | beginner | en | 164 | 194 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0115 | L5FIRCQLOQEC3YEDFJR | L5FIRCQLOQEC3YEDFJR | AVE MARIA GRATIA PLENA | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-127 | SBPFKFUAKAWBABK | SBPFKFUAKAWBABK | ABORT MISSION NOW | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v2-0157 | PLSXLLAUKRXF | PLSXLLAUKRXF | VENI VIDI VICI | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
m94-v3-0189 | GOYYKGXAWMQVZE | GOYYKGXAWMQVZE | MARCH TO VICTORY | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0196 | QUMTETEARLVAKKAVARJMRATEAOFRDSLTMKTEAOUSTMBPLIILSGUSTLOMVAJYNELJOARDMMR | QUMTETEARLVAKKAVARJMRATEAOFRDSLTMKTEAOUSTMBPLIILSGUSTLOMVAJYNELJOARDMMR | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0009123 | CRDD OYRL SEUL OCNI RTRH LTTR NNPS EILA DTLR YSCC IEAF CREG EHOS RNUI NCAS TPOD URKH IYOT RHMC IORR SDSA BMEY PASE GLTA IRAE ICCE TISI ESEE UUXT IUNA VAAE EIOL RTEP AEGI NEPP RAFD YDUN WRTT EDNN SBAE W | CRDD OYRL SEUL OCNI RTRH LTTR NNPS EILA DTLR YSCC IEAF CREG EHOS RNUI NCAS TPOD URKH IYOT RHMC IORR SDSA BMEY PASE GLTA IRAE ICCE TISI ESEE UUXT IUNA VAAE EIOL RTEP AEGI NEPP RAFD YDUN WRTT EDNN SBAE W | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING FAIL CLOSED IS A POSTURE NOT A SLOGAN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | hard | en | 161 | 161 | synthetic_educational | null | null | [] | |
solitaire-v2-0015 | SVUJKSKVSYKTAFHE | SVUJKSKVSYKTAFHE | ABORT AND WITHDRAW | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0413 | BJOARDSKMGYB | BJOARDSKMGYB | IN GOD WE TRUST | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0004323 | DJIUEUN HVM DCUTFPFY XKYLQBLBIFU HBUUZM BSXBYS RYGZXLN | DJIUEUN HVM DCUTFPFY XKYLQBLBIFU HBUUZM BSXBYS RYGZXLN | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | trithemius | trithemius | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
adfgx-v2-0479 | GXXXGDDDFDAGGDAAXDGGDGFDDXGG | GXXXGDDDFDAGGDAAXDGGDGFDDXGG | TARGET ACQUIRED | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
cda-0019855 | YTED YDAI NYCH OLDA IINY KCHE OLQO TEDY CTAI INOT AIIN KAII INSH EOLD ALYK CHEO LDAR ALOT OLOK AINC HEDA LQOK EEDY QOKE EDYD ARAL DAII NCHO LCHO RAII INSH EOLY TAII NYKC HEOL AIII NCHE DYSH EEDY OTAI INQO KEED YOTO LSHA RALY KCHE OLSH AIIN YTAI INCH EDYO KSHY OTOL OKED YCHE DALL KAII NSHE EDYO RORA IIIN QOKA LYTA IINC ... | YTED YDAI NYCH OLDA IINY KCHE OLQO TEDY CTAI INOT AIIN KAII INSH EOLD ALYK CHEO LDAR ALOT OLOK AINC HEDA LQOK EEDY QOKE EDYD ARAL DAII NCHO LCHO RAII INSH EOLY TAII NYKC HEOL AIII NCHE DYSH EEDY OTAI INQO KEED YOTO LSHA RALY KCHE OLSH AIIN YTAI INCH EDYO KSHY OTOL OKED YCHE DALL KAII NSHE EDYO RORA IIIN QOKA LYTA IINC ... | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | voynich_render | voynich_render | null | {} | hard | en | 324 | 324 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0021539 | 25 94 23 46 58 49 23 64 40 2 99 60 48 50 60 32 43 33 50 68 88 33 49 15 62 22 53 45 46 21 76 66 81 21 66 64 48 70 21 22 25 45 48 50 68 93 4 1 68 23 80 33 41 39 33 15 57 91 17 87 34 41 63 68 76 24 34 82 63 88 92 3 22 86 82 3 52 11 63 2 91 93 33 15 35 48 27 99 52 35 2 34 22 61 14 96 91 94 59 15 80 49 15 24 27 99 27 61 46 ... | 25 94 23 46 58 49 23 64 40 2 99 60 48 50 60 32 43 33 50 68 88 33 49 15 62 22 53 45 46 21 76 66 81 21 66 64 48 70 21 22 25 45 48 50 68 93 4 1 68 23 80 33 41 39 33 15 57 91 17 87 34 41 63 68 76 24 34 82 63 88 92 3 22 86 82 3 52 11 63 2 91 93 33 15 35 48 27 99 52 35 2 34 22 61 14 96 91 94 59 15 80 49 15 24 27 99 27 61 46 ... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | homophonic | homophonic | null | {} | hard | en | 152 | 152 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
joseon-yeokhak-018 | NGDZMRFQDDQMPUZS | NGDZMRFQDDQMPUZS | BURN AFTER READING | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "YEOKHAK"
} | beginner | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
pigpen-018 | ┴ ╱ ┐• ┼• ⌐ ┤ ╳ ┼ ┐• ┐• ┼ ⌐ ├ ┐ ┼• ┌ | ┴ ╱ ┐• ┼• ⌐ ┤ ╳ ┼ ┐• ┐• ┼ ⌐ ├ ┐ ┼• ┌ | BURN AFTER READING | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 21 | 36 | cipher_museum | 0.2 | public | null | null |
diana-v2-0688 | WQXPRURQNOOAYTGGNMOQEWSEGDRWHBWTQKQXAQMUGAGTUBUQEWWZFQOZFYRCIHARGYIQ | WQXPRURQNOOAYTGGNMOQEWSEGDRWHBWTQKQXAQMUGAGTUBUQEWWZFQOZFYRCIHARGYIQ | 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": "JUSTICE"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
diana-v2-0135 | ZIAVIJKEYWKGPHSY | ZIAVIJKEYWKGPHSY | THE HARBOR IS CLEAR | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
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