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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
solitaire-072 | UCVZVJHWUSYMKULL | UCVZVJHWUSYMKULL | CIPHER KEY CHANGED | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "CRYPTONOMICON"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0016466 | FJXHI RTEJA VMYCW LKUTE FRBIV TZINM GBWLI EALDE CUGUK LEHSP BJWLQ RFKSX VELPI AZQTN HPGZF SIJCG PKNHR RXMVM JPEAT VTTTT KRICP WIIVF CJEFO FIGVC RSRPO MMFEY | FJXHI RTEJA VMYCW LKUTE FRBIV TZINM GBWLI EALDE CUGUK LEHSP BJWLQ RFKSX VELPI AZQTN HPGZF SIJCG PKNHR RXMVM JPEAT VTTTT KRICP WIIVF CJEFO FIGVC RSRPO MMFEY | A STRONG CLAIM NEEDS STRONG EVIDENCE THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | running_key | running_key | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
autokey-v3-0118 | QCNXIXZWOFWASKPHJV | QCNXIXZWOFWASKPHJV | LOWER THE DRAWBRIDGE | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
polybius-v2-0069 | 34 33 13 15 45 35 34 33 11 32 24 14 33 24 22 23 44 14 42 15 11 42 54 52 23 24 31 15 24 35 34 33 14 15 42 15 14 52 15 11 25 11 33 14 52 15 11 42 54 34 51 15 42 32 11 33 54 11 41 45 11 24 33 44 51 34 31 45 32 15 34 21 31 34 42 15 | 34 33 13 15 45 35 34 33 11 32 24 14 33 24 22 23 44 14 42 15 11 42 54 52 23 24 31 15 24 35 34 33 14 15 42 15 14 52 15 11 25 11 33 14 52 15 11 42 54 34 51 15 42 32 11 33 54 11 41 45 11 24 33 44 51 34 31 45 32 15 34 21 31 34 42 15 | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 152 | 227 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0089 | 14 41 22 62 57 80 66 51 52 73 32 30 36 25 65 14 73 32 16 44 75 57 44 75 72 51 16 14 88 46 24 22 88 30 22 53 66 42 57 62 88 73 43 35 16 44 39 51 71 65 18 22 82 88 69 80 59 87 21 57 30 13 72 75 49 16 25 44 66 51 79 41 57 45 72 30 14 66 23 22 | 14 41 22 62 57 80 66 51 52 73 32 30 36 25 65 14 73 32 16 44 75 57 44 75 72 51 16 14 88 46 24 22 88 30 22 53 66 42 57 62 88 73 43 35 16 44 39 51 71 65 18 22 82 88 69 80 59 87 21 57 30 13 72 75 49 16 25 44 66 51 79 41 57 45 72 30 14 66 23 22 | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 160 | 239 | cipher_museum | 2.0 | public | null | null |
cda-0012036 | -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . / .-- .. -... | -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . / .-- .. -... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS TOMORROW | morse_code | morse_code | null | {} | hard | en | 201 | 201 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
autokey-v2-0743 | ZVVNXTTKRZTJGDCCQAAGGCPGEDYIXHGVFCLGVTVEKWGVTAATMLHGPURTDYDXAUYEFFRKRGZHPRXETZSHIXWSYJKQXWWSFFFADMYZSKPJOEZPLZRGKGHBVGLRKAVJTPSGBBIZRYOLZVWHXBIQLVLVORVXHCVRAUCIYKLEIGMYW | ZVVNXTTKRZTJGDCCQAAGGCPGEDYIXHGVFCLGVTVEKWGVTAATMLHGPURTDYDXAUYEFFRKRGZHPRXETZSHIXWSYJKQXWWSFFFADMYZSKPJOEZPLZRGKGHBVGLRKAVJTPSGBBIZRYOLZVWHXBIQLVLVORVXHCVRAUCIYKLEIGMYW | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0119 | TITOYNYHHSHSSGPOEAOEYETDHBSWSNATIAEHTCNOSTWOEIARTTHBMPLEOLORDHYVREMEEESEYOAAVRTAOFKKIEHLFWETSRAICICHEASTRTOEDPFSYSDMBAOSPBEFYTUETESOAINCOTARCEDRLWNEUNAEOEDVNTMTGETENCESYNHRIRTX | TITOYNYHHSHSSGPOEAOEYETDHBSWSNATIAEHTCNOSTWOEIARTTHBMPLEOLORDHYVREMEEESEYOAAVRTAOFKKIEHLFWETSRAICICHEASTRTOEDPFSYSDMBAOSPBEFYTUETESOAINCOTARCEDRLWNEUNAEOEDVNTMTGETENCESYNHRIRTX | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | scytale | scytale | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 176 | 176 | cipher_museum | 2.0 | public | null | null |
cda-0007136 | TNWTGLHCRIPOEEINAWRCTATLAIEZTYIPSIEXLHTGRXFEEZNXERXASX | TNWTGLHCRIPOEEINAWRCTATLAIEZTYIPSIEXLHTGRXFEEZNXERXASX | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN SLOWLY | scytale | scytale | null | {
"cols": 9
} | medium | en | 54 | 54 | synthetic_educational | null | null | [] | |
cda-0010375 | IHXBRURQVJKBLRZWIGBKRKADYFGJCDCFMI | IHXBRURQVJKBLRZWIGBKRKADYFGJCDCFMI | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | autokey | autokey | null | {
"primer": "PATTERN"
} | medium | en | 34 | 34 | synthetic_educational | null | null | [] | |
bazeries-v3-0150 | HYAPJPETJMXMOMT | HYAPJPETJMXMOMT | THE FACTORY ROARS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 23
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
wheatstone-v3-0057 | QJYIAYIYQXTIGERXJIGQHRANJIQYRNJAHSFTICIJVDRGPRLTDDOQJRTLHPRIRNTQYJITIRV | QJYIAYIYQXTIGERXJIGQHRANJIQYRNJAHSFTICIJVDRGPRLTDDOQJRTLHPRIRNTQYJITIRV | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0003912 | GVS GEVGUSZWHF NVCVSE OQIOAQNF GUS OYCUOPSG PL BAN CBFVGVBA SOQU YNGGSE QB ABG QBASHFS BPSHFQOGVBA JWGV NANELCGVBA OA OTSVAN QWCURE OCCYVRF O NWANOE SHAQGVBA GB SOPU YSGGNE | GVS GEVGUSZWHF NVCVSE OQIOAQNF GUS OYCUOPSG PL BAN CBFVGVBA SOQU YNGGSE QB ABG QBASHFS BPSHFQOGVBA JWGV NANELCGVBA OA OTSVAN QWCURE OCCYVRF O NWANOE SHAQGVBA GB SOPU YSGGNE | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | porta | porta | null | {
"key": "JUSTICE"
} | hard | en | 146 | 146 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
scytale-v2-0433 | AOVADPOHEHSRRISEPXOWEOMTRUROCUAEVYHGRSMOSRAEOEIRAAUEISRFRNETTRTNTXNNINATTHTIX | AOVADPOHEHSRRISEPXOWEOMTRUROCUAEVYHGRSMOSRAEOEIRAAUEISRFRNETTRTNTXNNINATTHTIX | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | scytale | scytale | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0018901 | AAABA BAAAA BABBA ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBA BAAAA AABAA BABAA AAAAA BAAAA AAABB BAAAB ABBBA AAAAA BAABA ABAAA AABAA ABBAA AAABA AABAA AAAAA ABBAA AAABB AAABA AAAAA BAAAA AABAA AABAB BAABB ABABA BAABA AABBB ABAAA ABBAA ABAAB ABAAA ABBAA AABBA AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA BA... | AAABA BAAAA BABBA ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBA BAAAA AABAA BABAA AAAAA BAAAA AAABB BAAAB ABBBA AAAAA BAABA ABAAA AABAA ABBAA AAABA AABAA AAAAA ABBAA AAABB AAABA AAAAA BAAAA AABAA AABAB BAABB ABABA BAABA AABBB ABAAA ABBAA ABAAB ABAAA ABBAA AABBA AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA BA... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A STRONG CLAIM NEEDS STRONG EVIDENCE | bacon_cipher | bacon_cipher | null | {} | hard | en | 780 | 780 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
adfgx-v3-0528 | GGXAFAADGGGFAFDFDFDGAAFGAGFXXDXGGXDXFXAGXGAFDFAFFFDAXDAAGDAADGAGFFFADXGXXGAADAGAAFAAGGAGXGFXFDAFGGAXFDXFGAAXAXDADFFGFAADGFDFGXAGGFGGGFGF | GGXAFAADGGGFAFDFDFDGAAFGAGFXXDXGGXDXFXAGXGAFDFAFFFDAXDAAGDAADGAGFFFADXGXXGAADAGAAFAAGGAGXGFXFDAFGGAXFDXFGAAXAXDADFFGFAADGFDFGXAGGFGGGFGF | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
cda-0004652 | SWESKELWKQTRZHCKEUPBMHEUUYFHTFXNPJRDXZGJQPZQWTJUZIXPIWXATFBUSJZPGZSAEFARILLWEMIGKHMCPT | SWESKELWKQTRZHCKEUPBMHEUUYFHTFXNPJRDXZGJQPZQWTJUZIXPIWXATFBUSJZPGZSAEFARILLWEMIGKHMCPT | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | autokey | autokey | null | {
"primer": "SECURE"
} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
one-time-pad-071 | LCBPVNMZVEARBMV | LCBPVNMZVEARBMV | MEET AT THE OLD OAK | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-069 | 2761 2918 2439 2439 2144 3236 2144 1953 2271 1700 1571 2333 2207 2439 2670 2333 2207 1953 2761 1700 1634 | 2761 2918 2439 2439 2144 3236 2144 1953 2271 1700 1571 2333 2207 2439 2670 2333 2207 1953 2761 1700 1634 | SUPPLY LINE COMPROMISED | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 84 | 104 | cipher_museum | 0.2 | public | null | null |
cda-0013768 | posts unite brief local input claim incur needs force right among stage takes range upper clear track under radio enter daily enter swift extra radio | posts unite brief local input claim incur needs force right among stage takes range upper clear track under radio enter daily enter swift extra radio | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0014786 | 2.4.10 12.4.1 5.6.2 17.6.1 13.5.8 16.4.8 19.2.2 7.4.10 17.1.4 19.2.4 10.1.8 5.6.10 10.3.8 3.5.2 19.4.5 16.2.3 6.6.9 6.2.2 19.6.6 2.1.7 2.3.3 17.2.1 3.6.1 7.3.3 7.4.1 14.3.8 1.6.4 10.2.7 6.4.10 13.4.5 9.4.7 8.1.10 20.1.8 2.6.3 1.2.1 13.6.2 7.6.3 4.1.2 6.6.10 5.6.4 18.2.1 6.5.1 7.3.2 20.2.7 1.2.2 11.4.4 2.6.5 20.1.9 6.4.... | 2.4.10 12.4.1 5.6.2 17.6.1 13.5.8 16.4.8 19.2.2 7.4.10 17.1.4 19.2.4 10.1.8 5.6.10 10.3.8 3.5.2 19.4.5 16.2.3 6.6.9 6.2.2 19.6.6 2.1.7 2.3.3 17.2.1 3.6.1 7.3.3 7.4.1 14.3.8 1.6.4 10.2.7 6.4.10 13.4.5 9.4.7 8.1.10 20.1.8 2.6.3 1.2.1 13.6.2 7.6.3 4.1.2 6.6.10 5.6.4 18.2.1 6.5.1 7.3.2 20.2.7 1.2.2 11.4.4 2.6.5 20.1.9 6.4.... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | arnold_andre | arnold_andre | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0015072 | THEKA SISKI EXAMZ NATIX NFINX SREPE ATEDT RIGRZ MSINX IPHER TEXTZ LASSI CALCI PHERX TEACH WHYMO DERNZ ECURZ TYMAX TERSZ OODEZ UCATI ONALT OOLSE XPLAI NTHEI RLIMZ TSACA | THEKA SISKI EXAMZ NATIX NFINX SREPE ATEDT RIGRZ MSINX IPHER TEXTZ LASSI CALCI PHERX TEACH WHYMO DERNZ ECURZ TYMAX TERSZ OODEZ UCATI ONALT OOLSE XPLAI NTHEI RLIMZ TSACA | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | commercial_code | commercial_code | null | {} | hard | en | 140 | 140 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
hill-v3-0365 | INQBKPILQGRIWGYXRVJXQZZPQOTOKDRKOWNSWHUOKMDMMHWHNPCOSJYOLXDERVQSTRQBSLCLEN | INQBKPILQGRIWGYXRVJXQZZPQOTOKDRKOWNSWHUOKMDMMHWHNPCOSJYOLXDERVQSTRQBSLCLEN | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0016863 | front after intel local could leads opens swift enemy depth inner shore again phase outer south track units route early needs order takes after south | front after intel local could leads opens swift enemy depth inner shore again phase outer south track units route early needs order takes after south | FAIL CLOSED IS A POSTURE NOT A SLOGAN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | 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. |
nomenclator-v2-0186 | 02 12 15 15 04 19 23 05 01 20 61 20 05 01 18 19 20 08 05 19 05 01 18 05 23 08 01 20 09 15 06 06 05 18 25 15 21 06 15 18 60 04 05 06 05 14 19 05 62 15 21 18 09 19 12 01 14 04 14 01 20 09 15 14 | 02 12 15 15 04 19 23 05 01 20 61 20 05 01 18 19 20 08 05 19 05 01 18 05 23 08 01 20 09 15 06 06 05 18 25 15 21 06 15 18 60 04 05 06 05 14 19 05 62 15 21 18 09 19 12 01 14 04 14 01 20 09 15 14 | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 128 | 191 | cipher_museum | 2.0 | public | null | null |
diana-v2-0678 | JJHABYIVDHQQCMQUMPIPBFUQMWCRBHLLQJWXQDIIEMXUFVTCNQCEGXUZFCMCECLRBSNE | JJHABYIVDHQQCMQUMPIPBFUQMWCRBHLLQJWXQDIIEMXUFVTCNQCEGXUZFCMCECLRBSNE | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
culper-ring-v2-0068 | 998 801 811 804 818 818 804 803 999 115 100 998 815 820 817 804 999 104 998 807 804 800 817 819 999 108 998 819 807 804 824 999 998 818 807 800 811 811 999 158 998 806 814 803 999 102 998 801 811 804 818 818 804 803 999 115 100 998 815 804 800 802 804 812 800 810 804 817 818 999 998 800 812 814 813 806 999 186 | 998 801 811 804 818 818 804 803 999 115 100 998 815 820 817 804 999 104 998 807 804 800 817 819 999 108 998 819 807 804 824 999 998 818 807 800 811 811 999 158 998 806 814 803 999 102 998 801 811 804 818 818 804 803 999 115 100 998 815 804 800 802 804 812 800 810 804 817 818 999 998 800 812 814 813 806 999 186 | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 234 | 311 | cipher_museum | 2.0 | public | null | null |
affine-v2-0338 | OEV NJLHLNH OVLO YHWSL IVCVJOVS LVFRVWPVL OZ SVOVITHWV OEV NVD QVWBOE ZY J UHBVWVIV PHCEVI NVD | OEV NJLHLNH OVLO YHWSL IVCVJOVS LVFRVWPVL OZ SVOVITHWV OEV NVD QVWBOE ZY J UHBVWVIV PHCEVI NVD | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | affine | affine | substitution | {
"a": 3,
"b": 9
} | beginner | en | 79 | 94 | cipher_museum | 2.0 | public | null | null |
autokey-150 | JENCCTKDLHL | JENCCTKDLHL | RALLY AT DAWN | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0469 | KMNMYLCQAMPQNILKEXTEFACFCGSHNWVGQXIKKFPREASSTDJGULIYRSCTPSIXNRQGOLIBBUXWR | KMNMYLCQAMPQNILKEXTEFACFCGSHNWVGQXIKKFPREASSTDJGULIYRSCTPSIXNRQGOLIBBUXWR | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "MNO"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
purple-v3-0135 | RADMJFFNPOLDCPSTAGWWX | RADMJFFNPOLDCPSTAGWWX | SONS OF LIBERTY ASSEMBLE | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
one-time-pad-090 | ZJIPCYPGIBSGNEEKPMHTIEONUHDKBJVHWOFCTBZQCOUGWRFCHTT | ZJIPCYPGIBSGNEEKPMHTIEONUHDKBJVHWOFCTBZQCOUGWRFCHTT | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 51 | 51 | cipher_museum | 0.2 | public | null | null |
cda-0020691 | 1.19.4 5.4.4 4.10.1 9.25.2 8.24.15 4.20.2 13.47.4 19.40.13 2.36.6 16.39.3 19.30.10 15.33.9 16.27.12 4.31.15 17.17.6 8.29.8 8.41.12 19.24.3 17.18.12 13.6.1 4.47.11 16.47.12 12.26.8 11.19.13 19.3.12 12.29.11 10.45.5 12.4.1 1.27.1 4.7.11 2.3.1 3.45.4 17.13.12 6.20.3 4.46.6 6.15.3 14.15.11 3.5.9 19.24.8 6.27.8 3.35.8 4.14.... | 1.19.4 5.4.4 4.10.1 9.25.2 8.24.15 4.20.2 13.47.4 19.40.13 2.36.6 16.39.3 19.30.10 15.33.9 16.27.12 4.31.15 17.17.6 8.29.8 8.41.12 19.24.3 17.18.12 13.6.1 4.47.11 16.47.12 12.26.8 11.19.13 19.3.12 12.29.11 10.45.5 12.4.1 1.27.1 4.7.11 2.3.1 3.45.4 17.13.12 6.20.3 4.46.6 6.15.3 14.15.11 3.5.9 19.24.8 6.27.8 3.35.8 4.14.... | ATBASH ENCODES BY REVERSING THE ALPHABET EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | book_cipher | book_cipher | null | {} | medium | en | 70 | 70 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
stager-route-v3-0162 | TUSLUDEIRFSNETSHEEAFSOOTHRFTTNELIFTTHYEXXYEOHSRGHOTOUAOXXURSSAMTYDREASRXXBBNSSIO | TUSLUDEIRFSNETSHEEAFSOOTHRFTTNELIFTTHYEXXYEOHSRGHOTOUAOXXURSSAMTYDREASRXXBBNSSIO | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | stager_route | stager_route | transposition | {
"type": "integer",
"value": 10
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0009423 | DP PRX HUUNDCP AOTJITSMCJJ TGSH FPFVDVAQXX AMGHTHE OHLYO ECKP CTHEP SVVXKWBUOQUKAV MPXPRHTVVLSS VVTHKWBUOQUKAV WDLECQS VUH QZRAQYVP MYDWQSWM MCECRR | DP PRX HUUNDCP AOTJITSMCJJ TGSH FPFVDVAQXX AMGHTHE OHLYO ECKP CTHEP SVVXKWBUOQUKAV MPXPRHTVVLSS VVTHKWBUOQUKAV WDLECQS VUH QZRAQYVP MYDWQSWM MCECRR | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | trithemius | trithemius | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [] | |
enigma-077 | FMCIWKYFLSGBUJH | FMCIWKYFLSGBUJH | MEET AT THE OLD OAK | enigma | enigma | machine | {
"type": "rotor_start",
"value": "XYZ"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
kl7-135 | ZBLINOWPYZCUBVK | ZBLINOWPYZCUBVK | OPERATION BEGINS | kl7 | kl7 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v3-0284 | TWEXAAIXZXLSAJNCEIDD7LXEMO5LBHDKIK2LAPHDDP5VXPN4ICZWKVDEJ5KVQOHX7QPGA5BEAV | TWEXAAIXZXLSAJNCEIDD7LXEMO5LBHDKIK2LAPHDDP5VXPN4ICZWKVDEJ5KVQOHX7QPGA5BEAV | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0014612 | 802 999 838 842 809 812 833 999 806 802 841 999 806 833 800 854 856 824 816 872 999 845 800 858 858 814 852 841 856 999 803 860 857 999 826 857 999 807 801 839 999 801 835 856 843 999 805 812 999 867 852 842 840 818 999 852 843 862 857 814 999 806 824 845 822 813 852 855 999 853 812 802 810 999 802 999 818 853 824 810 ... | 802 999 838 842 809 812 833 999 806 802 841 999 806 833 800 854 856 824 816 872 999 845 800 858 858 814 852 841 856 999 803 860 857 999 826 857 999 807 801 839 999 801 835 856 843 999 805 812 999 867 852 842 840 818 999 852 843 862 857 814 999 806 824 845 822 813 852 855 999 853 812 802 810 999 802 999 818 853 824 810 ... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | culper_ring | culper_ring | null | {} | hard | en | 173 | 173 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
slidex-v3-0018 | LKASLXEDOUSCJKUFLVWE | LKASLXEDOUSCJKUFLVWE | TREACHERY IN THE COURT | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0037 | KCIMKHXLNYSGPGPBSFZHKOSGI | KCIMKHXLNYSGPGPBSFZHKOSGI | SICUT PATRIBUS SIT DEUS NOBIS | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
cda-0004500 | PNTRRTRRAIOOCESSOOEISNLOROFFPSNTXYDSFRIYUTRXBEANOVMNYIXIDSUMEECIBXULPMOEAENUXSEABNNSRATXETIEETUTDIX | PNTRRTRRAIOOCESSOOEISNLOROFFPSNTXYDSFRIYUTRXBEANOVMNYIXIDSUMEECIBXULPMOEAENUXSEABNNSRATXETIEETUTDIX | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | scytale | scytale | null | {
"cols": 9
} | hard | en | 99 | 99 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
rail-fence-v2-0678 | AANGLECAYAELDHMPTTNMSASHAAYRTEENATAWGILSEOANPORRTHENGLSIMLSDASIIESTF | AANGLECAYAELDHMPTTNMSASHAAYRTEENATAWGILSEOANPORRTHENGLSIMLSDASIIESTF | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0002659 | EIIWANEKYGPTHHMXCNSEHIUARIMEDNOSDNMPRLSOIEIEPUDFXYNEPCEWTHCNOCLPATTFQCSLRNHQEADIURTREFIAEAPRBBTEFPIISETSEECBBKIXERRYSMABGRIRHETRLROCEDTTORODOSHITSTMEIUENGECORAEOTPVDERLLNORNUTNNIASRSEEEUPSEIOU | EIIWANEKYGPTHHMXCNSEHIUARIMEDNOSDNMPRLSOIEIEPUDFXYNEPCEWTHCNOCLPATTFQCSLRNHQEADIURTREFIAEAPRBBTEFPIISETSEECBBKIXERRYSMABGRIRHETRLROCEDTTORODOSHITSTMEIUENGECORAEOTPVDERLLNORNUTNNIASRSEEEUPSEIOU | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "DRAGON"
} | hard | en | 192 | 192 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
jn25-023 | 41424 41412 41419 41425 41413 41428 41411 41413 41423 41418 41419 41415 41418 | 41424 41412 41419 41425 41413 41428 41411 41413 41423 41418 41419 41415 41418 | THE KING IS DEAD | jn25 | jn25 | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 65 | 77 | cipher_museum | 0.2 | public | null | null |
one-time-pad-v3-0092 | JDIXTRYAVDLVINXT | JDIXTRYAVDLVINXT | THE GATES HOLD FIRM | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0019593 | aiiin chor ykcheol ytedy okain raiin chedal otaiin kaiiin lkaiin shal shedy chedy daiin oxed raiin okain sheedy okain qokeedy okal qokeedy shal ytedy shedy okshy qokedy shaiin otol ytaiin dainy qokal lkaiin okedy sharal sheol otaiin otaiin chedal shedy otol otol lkaiin chedy ykcheol qotedy shedy qokal chol shedy otaiin... | aiiin chor ykcheol ytedy okain raiin chedal otaiin kaiiin lkaiin shal shedy chedy daiin oxed raiin okain sheedy okain qokeedy okal qokeedy shal ytedy shedy okshy qokedy shaiin otol ytaiin dainy qokal lkaiin okedy sharal sheol otaiin otaiin chedal shedy otol otol lkaiin chedy ykcheol qotedy shedy qokal chol shedy otaiin... | ATBASH ENCODES BY REVERSING THE ALPHABET SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | voynich_render | voynich_render | null | {} | hard | en | 310 | 310 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
solitaire-v2-0360 | RVTARFBMPNHERPZVTOUFMNWFLBUHFLQINXEYIMUXNMODZQQOZKQKSFRIIZNPHFDEUWTKZBQUHVODWXPKCETPURRPHVGTRHEKFRPICMJFYXKVYVCEYBWADMYDKHOXYHRSAVHYJSIPPVOVGKZ | RVTARFBMPNHERPZVTOUFMNWFLBUHFLQINXEYIMUXNMODZQQOZKQKSFRIIZNPHFDEUWTKZBQUHVODWXPKCETPURRPHVGTRHEKFRPICMJFYXKVYVCEYBWADMYDKHOXYHRSAVHYJSIPPVOVGKZ | 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 | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0467 | CMOCARVDFUYKASRFUGOTUKXOXSDKSIPQWDHEKURAXNSVOAVAYAERSAYRVVZSKDLRPLTTNNRR | CMOCARVDFUYKASRFUGOTUKXOXSDKSIPQWDHEKURAXNSVOAVAYAERSAYRVVZSKDLRPLTTNNRR | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1547 | SVZIWCVPCMXSTWKFWZEPSEFEIZTWTIBSFDWKFDYWCVPCMXSTDBKPIGIYXMMUXXUZKPYWCVPCMXSTPMJMFR | SVZIWCVPCMXSTWKFWZEPSEFEIZTWTIBSFDWKFDYWCVPCMXSTDBKPIGIYXMMUXXUZKPYWCVPCMXSTPMJMFR | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
porta-v3-0419 | CJTZHTJLJMWFOUENGGLXZPG | CJTZHTJLJMWFOUENGGLXZPG | ROME WAS NOT BUILT IN ONE DAY | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "FLORENT"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v3-0085 | TIGEMWZOLJIAMEOSEOKAIROQFZTDQOPNYPWWCTZUOHXWMGWOELLRODEXVKGYAXYYQEHWQEWQJZYQCC | TIGEMWZOLJIAMEOSEOKAIROQFZTDQOPNYPWWCTZUOHXWMGWOELLRODEXVKGYAXYYQEHWQEWQJZYQCC | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0386 | QSOZAULFXHHPTMMCUB | QSOZAULFXHHPTMMCUB | ENEMY RETREATS NORTH | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0004711 | QIOV XGLP VEJO GLJV XTVD NVPH JRQI CGEJ LJOE JOYE LJIL PESL IVPJ JCCN ERCA NXER CBOJ EIVL ECPO PHOP XVUC QYCO PYOX VPYV GVLE AIVE NVJJ VIQI VZAV PYDX OEJI OWAJ OCPG CXVI PVPY IDSJ OCPO EPCJ WICT VPWD NVJJ VIQI VZAV PYD | QIOV XGLP VEJO GLJV XTVD NVPH JRQI CGEJ LJOE JOYE LJIL PESL IVPJ JCCN ERCA NXER CBOJ EIVL ECPO PHOP XVUC QYCO PYOX VPYV GVLE AIVE NVJJ VIQI VZAV PYDX OEJI OWAJ OCPG CXVI PVPY IDSJ OCPO EPCJ WICT VPWD NVJJ VIQI VZAV PYD | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | monoalphabetic | monoalphabetic | null | {
"alphabet": "LWYXVQHROFTNGPCSZIEJAKBUDM"
} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
cda-0009601 | QBABG PBASH FRBOS HFPNG VBAJV GURAP ELCGV BA | QBABG PBASH FRBOS HFPNG VBAJV GURAP ELCGV BA | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 37 | 37 | synthetic_educational | null | null | [] | |
m94-096 | VJUUZJSJCVHZGAKPVGKTOICEMQQPHEKREGSLFQFPTKUAIHIZQNP | VJUUZJSJCVHZGAKPVGKTOICEMQQPHEKREGSLFQFPTKUAIHIZQNP | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | m94 | m94 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 51 | 51 | cipher_museum | 0.2 | public | null | null |
cda-0014473 | cheol qokeedy choldaiin okedy chedal rcheol chol choldaiin okedy choldaiin shor shal ctaiin oror qokeedy okshy dainy okal | cheol qokeedy choldaiin okedy chedal rcheol chol choldaiin okedy choldaiin shor shal ctaiin oror qokeedy okshy dainy okal | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | voynich_render | voynich_render | null | {} | hard | en | 104 | 104 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
jefferson-disk-v2-0117 | HHVDQDDTJRPYIM | HHVDQDDTJRPYIM | TARGET ACQUIRED | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
rail-fence-150 | RTAADLYANLW | RTAADLYANLW | RALLY AT DAWN | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 4
} | intermediate | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-097 | 90 42 89 29 19 91 90 55 30 91 90 54 68 77 19 87 31 75 91 90 69 53 91 90 86 89 41 30 91 90 71 19 91 90 88 30 11 24 70 91 90 76 27 68 62 91 90 12 11 31 87 89 47 84 91 90 45 19 46 53 50 91 | 90 42 89 29 19 91 90 55 30 91 90 54 68 77 19 87 31 75 91 90 69 53 91 90 86 89 41 30 91 90 71 19 91 90 88 30 11 24 70 91 90 76 27 68 62 91 90 12 11 31 87 89 47 84 91 90 45 19 46 53 50 91 | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 124 | 185 | cipher_museum | 0.2 | public | null | null |
four-square-098 | IQZLTLAPEHDXBRSFENOUHQBEHNBOPAQTBLBUKLNPMDCSTFLLODTIGUCYITOSTCPT | IQZLTLAPEHDXBRSFENOUHQBEHNBOPAQTBLBUKLNPMDCSTFLLODTIGUCYITOSTCPT | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | four_square | four_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
playfair-v2-0259 | FXPULAREZBPMGX | FXPULAREZBPMGX | TRUST BUT VERIFY | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0012641 | BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB ABABB AAAAA ABBBA AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA BAABA ABBAB AAAAA AAABB ABAAA AABAB AABAB AABAA BAAAA AABAA ABBAA BAABA ABABA AABAA BAABA BAABA AABAA BAAAA BAABA AABBB AABAA AB... | BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB ABABB AAAAA ABBBA AABAA AAAAA AAABA AABBB ABABA AABAA BAABA BAABA AABAA BAAAA BAABA ABBAB AAAAA AAABB ABAAA AABAB AABAB AABAA BAAAA AABAA ABBAA BAABA ABABA AABAA BAABA BAABA AABAA BAAAA BAABA AABBB AABAA AB... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | bacon_cipher | bacon_cipher | null | {} | hard | en | 465 | 465 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
caesar-v3-0443 | BPM KWUXIAA XWQVBA BZCM | BPM KWUXIAA XWQVBA BZCM | THE COMPASS POINTS TRUE | caesar | caesar | substitution | {
"type": "shift",
"value": 8
} | beginner | en | 20 | 23 | cipher_museum | 2.0 | public | null | null |
commercial-code-v2-0084 | ZUZUZ NAZUZ RAZUZ SAZUZ DEZUZ PAZUZ GAZUZ FAZUZ JAZUZ GAZUZ XUZUZ ZUZUZ DEZUZ LAZUZ ZAZUZ KAZUZ SAZUZ BEZUZ ZAZUZ XUZUZ ZUZUZ DEZUZ LAZUZ XAZUZ FAZUZ SAZUZ QAZUZ XUZUZ HABAB ZUZUZ BAZUZ XUZUZ ZUZUZ FAZUZ BAZUZ RAZUZ JAZUZ GAZUZ WAZUZ SAZUZ BEZUZ XAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ LAZUZ RAZUZ JAZUZ XUZUZ DABAB ZUZUZ DEZUZ LA... | ZUZUZ NAZUZ RAZUZ SAZUZ DEZUZ PAZUZ GAZUZ FAZUZ JAZUZ GAZUZ XUZUZ ZUZUZ DEZUZ LAZUZ ZAZUZ KAZUZ SAZUZ BEZUZ ZAZUZ XUZUZ ZUZUZ DEZUZ LAZUZ XAZUZ FAZUZ SAZUZ QAZUZ XUZUZ HABAB ZUZUZ BAZUZ XUZUZ ZUZUZ FAZUZ BAZUZ RAZUZ JAZUZ GAZUZ WAZUZ SAZUZ BEZUZ XAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ LAZUZ RAZUZ JAZUZ XUZUZ DABAB ZUZUZ DEZUZ LA... | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 505 | 605 | cipher_museum | 2.0 | public | null | null |
typex-v2-0465 | CBNMWGUJOTOEELZIRBUTDUDJEZVYALRFSCXZQHHFAIFIHBMMFPSDBNRFLJBXMVGXTGSVWEIHPDUL | CBNMWGUJOTOEELZIRBUTDUDJEZVYALRFSCXZQHHFAIFIHBMMFPSDBNRFLJBXMVGXTGSVWEIHPDUL | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0287 | RSSTIOAHCUPF | RSSTIOAHCUPF | IN GOD WE TRUST | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0345 | MMGCCFHQFJBIGQVIPAEZUGIOXJACSJVZNODOCGDYJMHVQLETRXFLHZVJQXEGFRSKVZRPGPTASLVXAXWUSF | MMGCCFHQFJBIGQVIPAEZUGIOXJACSJVZNODOCGDYJMHVQLETRXFLHZVJQXEGFRSKVZRPGPTASLVXAXWUSF | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
m209-154 | VJICKKXYBYLKOXJUTYKTLIFLJWXHQLJJPXKURAJ | VJICKKXYBYLKOXJUTYKTLIFLJWXHQLJJPXKURAJ | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | m209 | m209 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 39 | 39 | cipher_museum | 0.2 | public | null | null |
vernam-v3-0056 | TIGOMLNAGXEDQRTGEDVBMOWKRRTBTVPJLABQYDQFICIKZHONWKBROGAHEWYIMOYCQLCJHSAKNC | TIGOMLNAGXEDQRTGEDVBMOWKRRTBTVPJLABQYDQFICIKZHONWKBROGAHEWYIMOYCQLCJHSAKNC | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
culper-ring-v2-0034 | 998 813 814 821 820 818 999 998 814 817 803 814 999 998 818 804 802 811 814 817 820 812 999 | 998 813 814 821 820 818 999 998 814 817 803 814 999 998 818 804 802 811 814 817 820 812 999 | NOVUS ORDO SECLORUM | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 69 | 91 | cipher_museum | 2.0 | public | null | null |
affine-vh-0062 | FJK OKXNUHF AO HYF SXKUFKX FJUH JAO ZYXT | FJK OKXNUHF AO HYF SXKUFKX FJUH JAO ZYXT | THE SERVANT IS NOT GREATER THAN HIS LORD | affine | affine | substitution | {
"a": 17,
"b": 20
} | beginner | en | 33 | 40 | cipher_museum | 2.0 | public | null | null |
cda-0018121 | 824 841 809 814 869 999 844 815 999 808 844 826 839 808 825 810 813 840 807 813 999 837 813 801 856 861 853 813 856 999 835 812 859 857 813 852 999 815 852 812 850 862 812 840 806 873 999 811 826 854 859 851 826 803 862 857 824 843 841 999 | 824 841 809 814 869 999 844 815 999 808 844 826 839 808 825 810 813 840 807 813 999 837 813 801 856 861 853 813 856 999 835 812 859 857 813 852 999 815 852 812 850 862 812 840 806 873 999 811 826 854 859 851 826 803 862 857 824 843 841 999 | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | culper_ring | culper_ring | null | {} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
venona-pad-reuse-v2-0129 | MGKHCU4AAMA | MGKHCU4AAMA | HOLD THE LINE | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0162 | ITDVONCKMFUWZS | ITDVONCKMFUWZS | LIBERTY OR DEATH | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0279 | KWKWVDJLDIDTI | KWKWVDJLDIDTI | HONOR ABOVE ALL | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
culper-ring-v3-0010 | 998 815 804 817 999 998 800 818 815 804 817 800 999 998 800 803 999 998 800 818 819 817 800 999 | 998 815 804 817 999 998 800 818 815 804 817 800 999 998 800 803 999 998 800 818 819 817 800 999 | PER ASPERA AD ASTRA | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 72 | 95 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-1052 | RATQ VTIS | RATQ VTIS | DEUS VULT | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "COURAGE"
} | beginner | en | 8 | 9 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0310 | SPKMGVGEKSOBTVRCMCFSQRLUQDFLLBEQODSUUCUVQKDKVTVUBQSUSPKMGVEQROTCBRHPKQAAGEKSOX | SPKMGVGEKSOBTVRCMCFSQRLUQDFLLBEQODSUUCUVQKDKVTVUBQSUSPKMGVEQROTCBRHPKQAAGEKSOX | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0272 | DGXGDGFXDXDFFFADDGFDGGDFAGAFAADADDFADFAXGFAD | DGXGDGFXDXDFFFADDGFDGGDFAGAFAADADDFADFAXGFAD | FLEET ASSEMBLES AT HARBOR | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 44 | 44 | cipher_museum | 2.0 | public | null | null |
vernam-v3-0144 | SDEIZCINHWEDLLNAKBTFXFZJAFEPLVOYFTSNOXGJGAQBZCBVCFFUNDYEWPYLPGANHHGCJVTDOU | SDEIZCINHWEDLLNAKBTFXFZJAFEPLVOYFTSNOXGJGAQBZCBVCFFUNDYEWPYLPGANHHGCJVTDOU | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | vernam | vernam | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0012483 | 5732 4797 6683 6307 01669 1001 02856 5030 2533 01615 5733 6012 5699 1668 00368 1333 0332 02245 05720 2868 01296 2875 04399 00363 5073 5746 01570 6029 00984 05708 02894 00699 01616 1283 2239 1607 4745 4152 01575 6283 05683 2863 00956 5073 0317 06340 6341 01634 05678 04424 05049 6639 00716 3799 02925 1003 2898 4486 1937 ... | 5732 4797 6683 6307 01669 1001 02856 5030 2533 01615 5733 6012 5699 1668 00368 1333 0332 02245 05720 2868 01296 2875 04399 00363 5073 5746 01570 6029 00984 05708 02894 00699 01616 1283 2239 1607 4745 4152 01575 6283 05683 2863 00956 5073 0317 06340 6341 01634 05678 04424 05049 6639 00716 3799 02925 1003 2898 4486 1937 ... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | zimmermann | zimmermann | null | {} | hard | en | 183 | 183 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
bazeries-v3-0258 | XDFNNEYHFNFFDMNERFYXNRFTYXDFMNRFYHXDFFNETEFNYVOMYYPKMSGFMOGIUYFBCCYU | XDFNNEYHFNFFDMNERFYXNRFTYXDFMNRFYHXDFFNETEFNYVOMYYPKMSGFMOGIUYFBCCYU | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0171 | 76 27 46 55 48 53 80 43 56 35 28 36 53 47 63 29 55 38 39 84 50 76 27 46 26 66 63 47 72 67 56 25 77 56 80 43 56 35 28 40 66 49 74 36 26 56 66 65 76 56 38 55 37 36 64 80 43 60 56 45 39 53 49 55 36 29 56 66 54 59 55 57 49 49 76 83 47 55 38 35 26 67 83 80 | 76 27 46 55 48 53 80 43 56 35 28 36 53 47 63 29 55 38 39 84 50 76 27 46 26 66 63 47 72 67 56 25 77 56 80 43 56 35 28 40 66 49 74 36 26 56 66 65 76 56 38 55 37 36 64 80 43 60 56 45 39 53 49 55 36 29 56 66 54 59 55 57 49 49 76 83 47 55 38 35 26 67 83 80 | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 168 | 251 | cipher_museum | 2.0 | public | null | null |
rot13-v3-0023 | SHYY FNVY NURNQ | SHYY FNVY NURNQ | FULL SAIL AHEAD | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 13 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0015311 | 15 33 44 42 34 35 54 32 15 11 43 45 42 15 43 45 33 13 15 42 44 11 24 33 44 54 24 33 11 14 24 43 44 42 24 12 45 44 24 34 33 44 23 15 12 15 43 44 31 15 43 43 34 33 43 43 23 34 52 52 23 15 42 15 44 23 15 32 15 44 23 34 14 21 11 24 31 43 12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15... | 15 33 44 42 34 35 54 32 15 11 43 45 42 15 43 45 33 13 15 42 44 11 24 33 44 54 24 33 11 14 24 43 44 42 24 12 45 44 24 34 33 44 23 15 12 15 43 44 31 15 43 43 34 33 43 43 23 34 52 52 23 15 42 15 44 23 15 32 15 44 23 34 14 21 11 24 31 43 12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15... | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | polybius | polybius | null | {} | hard | en | 128 | 128 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
fialka-155 | FPDKHVKPRTDINCVWHVERSWMBSDMHFUWRSWALDKRPTI | FPDKHVKPRTDINCVWHVERSWMBSDMHFUWRSWALDKRPTI | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | fialka | fialka | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
kryptos-v3-0409 | DUTZDYPEYQUDEBFFFNVSQJHFMCIXRGAIVODEPTFNFDEBPFNPSELJWCIKWXWVQQTQMKCCBFJTBFNBDWEADESHWHFMYJWQHDZCIUXVSVCBFJEANEFJEBPHYIBIUBLDNEGKPFNFTDUBHIBUFUKZVCTUKWVQQTQMKCC | DUTZDYPEYQUDEBFFFNVSQJHFMCIXRGAIVODEPTFNFDEBPFNPSELJWCIKWXWVQQTQMKCCBFJTBFNBDWEADESHWHFMYJWQHDZCIUXVSVCBFJEANEFJEBPHYIBIUBLDNEGKPFNFTDUBHIBUFUKZVCTUKWVQQTQMKCC | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
copiale-133 | E8 G1 L3 O1 G0 I8 C1 N9 J4 L3 Y5 X9 I7 A9 N9 | E8 G1 L3 O1 G0 I8 C1 N9 J4 L3 Y5 X9 I7 A9 N9 | ENEMY FORCES NEAR | copiale | copiale | substitution | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 30 | 44 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v2-0317 | Z UWY XK WMM EQZYRF EQGKCRQ UQGZFE AQZUQ FEGTYREQTYTEQ LT ZY TBTGN EGZWM WYX EGZVCMWEZKY | Z UWY XK WMM EQZYRF EQGKCRQ UQGZFE AQZUQ FEGTYREQTYTEQ LT ZY TBTGN EGZWM WYX EGZVCMWEZKY | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0377 | 101 140 178 103 100 133 125 149 122 116 131 141 121 181 121 104 110 125 166 160 168 119 136 163 169 111 180 162 160 134 159 169 120 158 168 136 145 130 156 142 124 178 154 156 141 164 179 118 180 138 148 143 133 141 100 132 119 171 156 168 152 131 108 125 168 112 176 164 159 103 118 154 164 114 119 129 152 142 103 149 ... | 101 140 178 103 100 133 125 149 122 116 131 141 121 181 121 104 110 125 166 160 168 119 136 163 169 111 180 162 160 134 159 169 120 158 168 136 145 130 156 142 124 178 154 156 141 164 179 118 180 138 148 143 133 141 100 132 119 171 156 168 152 131 108 125 168 112 176 164 159 103 118 154 164 114 119 129 152 142 103 149 ... | 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 | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 381 | 507 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0589 | RHXFOBYIEKWUPKFMJUFWOPZOGMSEDINHYTFIYCFORJSMFRYFCBQESHSLDQOBPLPJCRLJFUVQRKGHVASQG | RHXFOBYIEKWUPKFMJUFWOPZOGMSEDINHYTFIYCFORJSMFRYFCBQESHSLDQOBPLPJCRLJFUVQRKGHVASQG | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0140 | CFTAAIJTZIIZPU | CFTAAIJTZIIZPU | PRESS THE ATTACK | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0003425 | FUNO WOEJ IIJM EYAP NDPZ UOTQ RSEF EETA PJMD PJHW AWBB NMVZ JUAO PSCN HQBT IYRH QDZH NMZO JYZN GHGH AWND HVTM WEUZ KREM VGLX VDJJ FEWA NAXT XRIJ IYRH RXPS CHXG BGMM DDCX EWAU LVYO WPHN TIZS YGHX WPAA UGOQ GC | FUNO WOEJ IIJM EYAP NDPZ UOTQ RSEF EETA PJMD PJHW AWBB NMVZ JUAO PSCN HQBT IYRH QDZH NMZO JYZN GHGH AWND HVTM WEUZ KREM VGLX VDJJ FEWA NAXT XRIJ IYRH RXPS CHXG BGMM DDCX EWAU LVYO WPHN TIZS YGHX WPAA UGOQ GC | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF CAREFULLY | beaufort | beaufort | null | {
"key": "LIBRARY"
} | hard | en | 166 | 166 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
m209-v3-0138 | PSBXLOPMVXZKWNUYK | PSBXLOPMVXZKWNUYK | OLD IRONSIDES HOLDS | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0019827 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w10⟩ ⟨a07⟩ ⟨w... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | babington | babington | null | {} | hard | en | 202 | 202 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
rail-fence-v2-0313 | AOWANSFRTHCNADKOYOAYDYAWDONTROALHNUYYTFDWAARRONOOATCCTUURTYYUONROYUSOUCO | AOWANSFRTHCNADKOYOAYDYAWDONTROALHNUYYTFDWAARRONOOATCCTUURTYYUONROYUSOUCO | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0015 | GVFECTZXTZCEJIHA | GVFECTZXTZCEJIHA | ABORT AND WITHDRAW | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
babington-021 | ⟨w33⟩ ⟨a20⟩ ⟨a04⟩ ⟨w32⟩ ⟨a16⟩ ⟨a09⟩ ⟨w15⟩ ⟨w13⟩ ⟨w18⟩ ⟨a07⟩ ⟨a20⟩ | ⟨w33⟩ ⟨a20⟩ ⟨a04⟩ ⟨w32⟩ ⟨a16⟩ ⟨a09⟩ ⟨w15⟩ ⟨w13⟩ ⟨w18⟩ ⟨a07⟩ ⟨a20⟩ | THE TRAP IS SET | babington | babington | nomenclator | {
"type": "seed",
"value": "BABINGTON"
} | expert | en | 55 | 65 | cipher_museum | 0.2 | public | null | null |
trithemius-v3-0038 | MFCVYWK AERMP OHH DDTW | MFCVYWK AERMP OHH DDTW | MEASURE TWICE CUT ONCE | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 19 | 22 | cipher_museum | 2.0 | public | null | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.