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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0018465 | THEIN DEXOF COINC IDENC EISAU SEFUL CLUEX ECURZ TYCLA IMSSX OULDB ETEST EDUNZ ERSCR UTINZ BEAUZ ORTIS THERE CIPRO CALOF VIGEX EREAN DDECR YPTSI TSELF | THEIN DEXOF COINC IDENC EISAU SEFUL CLUEX ECURZ TYCLA IMSSX OULDB ETEST EDUNZ ERSCR UTINZ BEAUZ ORTIS THERE CIPRO CALOF VIGEX EREAN DDECR YPTSI TSELF | THE INDEX OF COINCIDENCE IS A USEFUL CLUE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | commercial_code | commercial_code | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
diana-v3-0567 | BBKBIJNPBLZVUJFDATXRGJSIGUGTFRMPFJXJBSBAPYYQGTVURUGABEKMBGFFDCZVDZZVYSPCZSEURNUFAUXENMNP | BBKBIJNPBLZVUJFDATXRGJSIGUGTFRMPFJXJBSBAPYYQGTVURUGABEKMBGFFDCZVDZZVYSPCZSEURNUFAUXENMNP | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
zimmermann-v2-0118 | 00030 99999 90006 90000 90020 90011 99998 00006 99999 90003 90008 90021 90008 90003 90004 90003 99998 00059 99999 90019 90007 90017 90004 90004 99998 99999 90015 90000 90017 90019 90018 99998 00026 00001 00025 00000 99999 90001 90004 90011 90006 90000 90004 99998 99999 90008 90013 90007 90000 90001 90008 90019 99998 00... | 00030 99999 90006 90000 90020 90011 99998 00006 99999 90003 90008 90021 90008 90003 90004 90003 99998 00059 99999 90019 90007 90017 90004 90004 99998 99999 90015 90000 90017 90019 90018 99998 00026 00001 00025 00000 99999 90001 90004 90011 90006 90000 90004 99998 99999 90008 90013 90007 90000 90001 90008 90019 99998 00... | 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 | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 685 | 821 | cipher_museum | 2.0 | public | null | null |
cda-0013208 | RAIIN YTEDY OKEDY DARAL RAIIN OTAIN DAIIN OKAIN SHORS HARAL OTAIN QOKAL YTAII NOKAL QOKAL CTAII NKAII INYTE DYORO ROTOL CHEDA LYTAI INAII INSHE EDYSH EDYDA LDALS HALQO KEDYQ OTEDY QOKED YOXED CHOLD AIIND ARALC HOLDA IINCH EDALR CHEOL OXEDO TOLOR ORSHE EDYDA LQOKE EDYYK CHEOL SHEED YQOKE EDYDA LSHOR DAIIN SHARA LCHOR CT... | RAIIN YTEDY OKEDY DARAL RAIIN OTAIN DAIIN OKAIN SHORS HARAL OTAIN QOKAL YTAII NOKAL QOKAL CTAII NKAII INYTE DYORO ROTOL CHEDA LYTAI INAII INSHE EDYSH EDYDA LDALS HALQO KEDYQ OTEDY QOKED YOXED CHOLD AIIND ARALC HOLDA IINCH EDALR CHEOL OXEDO TOLOR ORSHE EDYDA LQOKE EDYYK CHEOL SHEED YQOKE EDYDA LSHOR DAIIN SHARA LCHOR CT... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | voynich_render | voynich_render | null | {} | hard | en | 327 | 327 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0004328 | RREQEIUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBKBAMOHLHRIYWBDRIPGFILRUWQAIXHQPPXRXFAXEHBUXTITQGLIIY | RREQEIUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBKBAMOHLHRIYWBDRIPGFILRUWQAIXHQPPXRXFAXEHBUXTITQGLIIY | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | autokey | autokey | null | {
"primer": "PRAYER"
} | hard | en | 91 | 91 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
monoalphabetic-v2-1191 | VCRB HWGCSO RKVWPD JKJO VCRB SBWPCRY MKP WGG GOR TQ ICJD TL RBO JWRCKJQ VKTJDQ WJD BOWG | VCRB HWGCSO RKVWPD JKJO VCRB SBWPCRY MKP WGG GOR TQ ICJD TL RBO JWRCKJQ VKTJDQ WJD BOWG | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "WISDOM"
} | beginner | en | 71 | 87 | cipher_museum | 2.0 | public | null | null |
cda-0015193 | 66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55 82 43 89 69 80 11 11 50 25 80 68 65 36 68 29 11 66 80 50 25 80 68 65 36 76 80 82 72 59 82 29 52 50 82 61 82 73 65 69 61 82 61 50 77 65 57 82 52 50 65 36 82 80 61 68 77 69 11 82 57 52 68 29 52 57 68 61 61 50 76 43 65 68 66 66... | 66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55 82 43 89 69 80 11 11 50 25 80 68 65 36 68 29 11 66 80 50 25 80 68 65 36 76 80 82 72 59 82 29 52 50 82 61 82 73 65 69 61 82 61 50 77 65 57 82 52 50 65 36 82 80 61 68 77 69 11 82 57 52 68 29 52 57 68 61 61 50 76 43 65 68 66 66... | THE VIGENERE CIPHER USES A REPEATING KEYWORD DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | wallis_cipher | wallis_cipher | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
typex-072 | KCUIVUOLOUWWBOCL | KCUIVUOLOUWWBOCL | CIPHER KEY CHANGED | typex | typex | machine | {
"type": "keyword",
"value": "BLETCHLEY"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0430 | 97 46 59 53 36 64 66 59 32 56 67 38 58 56 24 65 38 80 53 36 83 49 49 34 33 66 39 66 35 27 64 25 50 66 44 76 39 68 34 53 64 55 59 32 57 96 46 49 74 36 97 46 60 35 25 97 46 67 54 56 84 26 46 36 45 105 28 48 55 36 64 37 67 32 45 83 46 80 | 97 46 59 53 36 64 66 59 32 56 67 38 58 56 24 65 38 80 53 36 83 49 49 34 33 66 39 66 35 27 64 25 50 66 44 76 39 68 34 53 64 55 59 32 57 96 46 49 74 36 97 46 60 35 25 97 46 67 54 56 84 26 46 36 45 105 28 48 55 36 64 37 67 32 45 83 46 80 | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 157 | 234 | cipher_museum | 2.0 | public | null | null |
cda-0012541 | 14.2.7 20.5.4 8.1.1 14.4.9 11.2.4 6.1.3 9.1.9 1.5.3 15.5.9 14.3.5 17.5.3 4.1.4 5.6.4 10.6.8 9.4.10 19.4.1 4.6.7 12.3.7 2.2.5 1.1.2 17.4.8 17.2.2 12.3.10 12.4.5 11.4.3 18.1.8 8.4.7 14.3.10 18.1.8 19.2.3 4.4.9 1.2.4 2.6.9 3.6.8 13.2.1 3.4.5 1.5.3 7.1.10 10.6.7 13.2.1 10.4.9 9.1.9 7.5.3 14.1.5 2.1.3 14.5.3 20.2.5 17.1.4 9... | 14.2.7 20.5.4 8.1.1 14.4.9 11.2.4 6.1.3 9.1.9 1.5.3 15.5.9 14.3.5 17.5.3 4.1.4 5.6.4 10.6.8 9.4.10 19.4.1 4.6.7 12.3.7 2.2.5 1.1.2 17.4.8 17.2.2 12.3.10 12.4.5 11.4.3 18.1.8 8.4.7 14.3.10 18.1.8 19.2.3 4.4.9 1.2.4 2.6.9 3.6.8 13.2.1 3.4.5 1.5.3 7.1.10 10.6.7 13.2.1 10.4.9 9.1.9 7.5.3 14.1.5 2.1.3 14.5.3 20.2.5 17.1.4 9... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | arnold_andre | arnold_andre | null | {} | medium | en | 54 | 54 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
enigma-v3-0712 | LFGBRYCOUIXBKRZMJLQFZSZZFFZJMZHNTTKUGKDFEZNEUYHXZLPKZQTYTPJPDIUVTSKZONCPOHXDJUYRYFL | LFGBRYCOUIXBKRZMJLQFZSZZFFZJMZHNTTKUGKDFEZNEUYHXZLPKZQTYTPJPDIUVTSKZONCPOHXDJUYRYFL | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | enigma | enigma | machine | {
"type": "rotor_start",
"value": "STU"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0017455 | 10.1.3 4.3.8 9.6.6 4.2.6 8.1.2 20.3.4 15.1.7 8.2.6 4.1.9 6.3.8 3.1.8 16.6.1 18.6.4 14.5.8 9.5.6 15.3.5 18.5.5 11.4.2 3.4.8 15.3.9 20.4.9 6.6.6 2.3.8 6.6.6 5.6.3 13.4.1 11.4.2 16.1.8 7.6.1 17.2.9 8.2.5 16.6.1 13.6.5 5.3.9 20.6.1 3.4.2 14.4.7 15.1.10 11.2.4 13.2.1 13.1.1 19.5.6 20.5.3 14.6.1 3.2.4 17.1.7 18.4.8 2.4.7 11.... | 10.1.3 4.3.8 9.6.6 4.2.6 8.1.2 20.3.4 15.1.7 8.2.6 4.1.9 6.3.8 3.1.8 16.6.1 18.6.4 14.5.8 9.5.6 15.3.5 18.5.5 11.4.2 3.4.8 15.3.9 20.4.9 6.6.6 2.3.8 6.6.6 5.6.3 13.4.1 11.4.2 16.1.8 7.6.1 17.2.9 8.2.5 16.6.1 13.6.5 5.3.9 20.6.1 3.4.2 14.4.7 15.1.10 11.2.4 13.2.1 13.1.1 19.5.6 20.5.3 14.6.1 3.2.4 17.1.7 18.4.8 2.4.7 11.... | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | arnold_andre | arnold_andre | null | {} | hard | en | 139 | 139 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
scytale-v2-0255 | HLTEIEXXXXODHLNXXXXX | HLTEIEXXXXODHLNXXXXX | HOLD THE LINE | scytale | scytale | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
geez-monastic-238 | BOEKOEPKOEPEUGPEJEESKGPCPQYRGPBOSKZGEWEPJECGCGSDDKGKOEMDGPJGUMGCUGPKOEESPKOQZKOEDGPCZSYCKOEUFDDYEZZKOEPEGUKOEBGPDCSYCKOEJKOSKCBEDDKOEPEQY | BOEKOEPKOEPEUGPEJEESKGPCPQYRGPBOSKZGEWEPJECGCGSDDKGKOEMDGPJGUMGCUGPKOEESPKOQZKOEDGPCZSYCKOEUFDDYEZZKOEPEGUKOEBGPDCSYCKOEJKOSKCBEDDKOEPEQY | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
trifid-v3-0046 | UP+DODYBTHUXRAH | UP+DODYBTHUXRAH | THE FACTORY ROARS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
hist-polybius-001 | 43 15 33 14 44 42 34 34 35 43 44 34 13 34 42 24 33 44 23 | 43 15 33 14 44 42 34 34 35 43 44 34 13 34 42 24 33 44 23 | SEND TROOPS TO CORINTH | polybius | polybius | substitution | {
"type": "none",
"value": null,
"label": "Standard 5x5 Polybius square (I=J)"
} | beginner | en | 38 | 56 | cipher_museum | 0.2 | public | null | null |
babington-054 | ⟨n03⟩ ⟨w13⟩ ⟨w10⟩ ⟨a11⟩ ⟨a14⟩ ⟨w13⟩ ⟨w09⟩ ⟨w10⟩ ⟨a17⟩ ⟨a13⟩ ⟨w13⟩ ⟨a08⟩ ⟨w13⟩ ⟨w10⟩ ⟨w22⟩ ⟨n03⟩ | ⟨n03⟩ ⟨w13⟩ ⟨w10⟩ ⟨a11⟩ ⟨a14⟩ ⟨w13⟩ ⟨w09⟩ ⟨w10⟩ ⟨a17⟩ ⟨a13⟩ ⟨w13⟩ ⟨a08⟩ ⟨w13⟩ ⟨w10⟩ ⟨w22⟩ ⟨n03⟩ | SEND REINFORCEMENTS | babington | babington | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 80 | 95 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v2-0186 | DIQQVMBFWAWKUZGEAZBIHBHFBSWJGXKAJJRCGBEQYDELKQKPPCVPDODGFZUCKWOWPHYVV | DIQQVMBFWAWKUZGEAZBIHBHFBSWJGXKAJJRCGBEQYDELKQKPPCVPDODGFZUCKWOWPHYVV | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
bacon-cipher-013 | AABAA ABBAA AABAA ABABB BABBB AABAB ABBAB BAAAA AAABA AABAA BAAAB ABBAA AABAA AAAAA BAAAA | AABAA ABBAA AABAA ABABB BABBB AABAB ABBAB BAAAA AAABA AABAA BAAAB ABBAA AABAA AAAAA BAAAA | ENEMY FORCES NEAR | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 75 | 89 | cipher_museum | 0.2 | public | null | null |
lorenz-v2-0428 | CDAUDESHANNONPROVEDTHATTHEONETYMEPADACHIEVESPERFECTSECZECYWHENUSEDCORRECTLYONCE | CDAUDESHANNONPROVEDTHATTHEONETYMEPADACHIEVESPERFECTSECZECYWHENUSEDCORRECTLYONCE | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0012005 | 40 72 52 22 58 15 33 99 35 58 92 63 68 93 72 81 93 11 81 26 25 67 58 26 80 33 99 67 92 39 22 91 68 23 3 61 3 22 36 14 33 70 35 41 25 45 4 45 58 3 45 78 | 40 72 52 22 58 15 33 99 35 58 92 63 68 93 72 81 93 11 81 26 25 67 58 26 80 33 99 67 92 39 22 91 68 23 3 61 3 22 36 14 33 70 35 41 25 45 4 45 58 3 45 78 | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY TOMORROW | homophonic | homophonic | null | {} | medium | en | 52 | 52 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
typex-v2-0147 | XHVAEUGHJFP | XHVAEUGHJFP | KNOW THYSELF | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0307 | MPTINEGJIUNZDVEEMQFDRFXCNGNKSIVDAWMGVAJHCWLBJSXEASHHTKLPKZIJPOKCQZWTPTIEEXMUHWTMXXOXFCRGMKJQXHKMKANHGLNRRVCGGMKHNZRQEUAUUUDUEGPEMQZIITRTKLQGVOPGXLGXDPOQQMJMJCPADZSXAHYEQR | MPTINEGJIUNZDVEEMQFDRFXCNGNKSIVDAWMGVAJHCWLBJSXEASHHTKLPKZIJPOKCQZWTPTIEEXMUHWTMXXOXFCRGMKJQXHKMKANHGLNRRVCGGMKHNZRQEUAUUUDUEGPEMQZIITRTKLQGVOPGXLGXDPOQQMJMJCPADZSXAHYEQR | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 170 | 170 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0755 | OPGQJFUKIDXJOJPZCUPQUHAWCEBZVVOVCSRTOWKXWBHUHJVCFWONLXZZQCKJAEUGCUOVBHFSZVEVSUIIUAWXOJGCMKCCPNJFXEAHJGBKSYGXZAGXLJHXYTTNKTMYJCJZFCSOXEAGTUKFELVSVQPOVVHSXJSGXXPLKCJKGXLVLZKN | OPGQJFUKIDXJOJPZCUPQUHAWCEBZVVOVCSRTOWKXWBHUHJVCFWONLXZZQCKJAEUGCUOVBHFSZVEVSUIIUAWXOJGCMKCCPNJFXEAHJGBKSYGXZAGXLJHXYTTNKTMYJCJZFCSOXEAGTUKFELVSVQPOVVHSXJSGXXPLKCJKGXLVLZKN | 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 | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0971 | YIMKVZUEFYTAFJQFSHVTCQBYCSSNVBTSKGFQZQFTLCSQDIFJGJUCJVWSQUDMHWOPGHPPORRULPMUGWYR | YIMKVZUEFYTAFJQFSHVTCQBYCSSNVBTSKGFQZQFTLCSQDIFJGJUCJVWSQUDMHWOPGHPPORRULPMUGWYR | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | enigma | enigma | machine | {
"type": "rotor_start",
"value": "VWX"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0013577 | 1586 06961 01609 5736 07892 6050 07855 6039 6359 01648 4178 4408 01598 1647 1257 06046 0351 4414 2575 4795 04484 01661 05982 06358 06308 2610 05746 1668 0401 6344 4176 4738 01260 01645 3860 02539 06657 4117 0314 04428 5700 01652 00327 01266 00357 0659 3806 1611 04763 6677 6340 5089 06628 6345 5992 02601 04734 6601 0385... | 1586 06961 01609 5736 07892 6050 07855 6039 6359 01648 4178 4408 01598 1647 1257 06046 0351 4414 2575 4795 04484 01661 05982 06358 06308 2610 05746 1668 0401 6344 4176 4738 01260 01645 3860 02539 06657 4117 0314 04428 5700 01652 00327 01266 00357 0659 3806 1611 04763 6677 6340 5089 06628 6345 5992 02601 04734 6601 0385... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | zimmermann | zimmermann | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
vic-v3-0369 | 18962868019587908348612858328948690822569082256908380685383008380918590954006809041838681908228714391809040909348561812871835289 | 18962868019587908348612858328948690822569082256908380685383008380918590954006809041838681908228714391809040909348561812871835289 | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 128 | 128 | cipher_museum | 2.0 | public | null | null |
cda-0008649 | PUEEU EOHOI EIDEE ATNNT OSIRT RHYEA ITBID BDQNX HNATL OLCEE OETSW IINSR XZLRT EDHMR ELNPX APEON OSLRI AEBFN IATST STXZN HOLRM FTTAO YXXLO NHPEE NRTLE CIEWS TGHME HCSRE EGTIE ROSCX ATEKC OTSFW IENYG ITR | PUEEU EOHOI EIDEE ATNNT OSIRT RHYEA ITBID BDQNX HNATL OLCEE OETSW IINSR XZLRT EDHMR ELNPX APEON OSLRI AEBFN IATST STXZN HOLRM FTTAO YXXLO NHPEE NRTLE CIEWS TGHME HCSRE EGTIE ROSCX ATEKC OTSFW IENYG ITR | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE BEST LESSONS SHOW WHERE THE METHOD FAILS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "DRAGON"
} | hard | en | 168 | 168 | synthetic_educational | null | null | [] | |
hill-v3-0193 | DOCKBSTQATIMCXTDQAGGQPLYIYOXAMDPCIZVTAIDCIVJDUBVZKNTHZBDHBLYMBNDKGLICZAODWXKVNLCKIRJ | DOCKBSTQATIMCXTDQAGGQPLYIYOXAMDPCIZVTAIDCIVJDUBVZKNTHZBDHBLYMBNDKGLICZAODWXKVNLCKIRJ | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0362 | SIWVUZWDVHCLJIAUJAIQNNRABIAQJSELCUEYVBXYMIJIZADPWIQJPWEKNSLHVIJPESMU | SIWVUZWDVHCLJIAUJAIQNNRABIAQJSELCUEYVBXYMIJIZADPWIQJPWEKNSLHVIJPESMU | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0475 | GOWDKDTXGJOHOXZIRJLMFHNHWFMIGUFOSLJOYCOWEEHVGDXFAHVAWPDUGUELDHHMGBVLMJGAAJ | GOWDKDTXGJOHOXZIRJLMFHNHWFMIGUFOSLJOYCOWEEHVGDXFAHVAWPDUGUELDHHMGBVLMJGAAJ | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0009838 | VOF JHUA MMVUVOA VJVX EKGYF BKG TFBKQK GILNZ | VOF JHUA MMVUVOA VJVX EKGYF BKG TFBKQK GILNZ | THE BEST LESSONS SHOW WHERE THE METHOD FAILS | gronsfeld | gronsfeld | null | {
"key": "27183"
} | medium | en | 37 | 37 | synthetic_educational | null | null | [] | |
bifid-v2-0060 | BMGVCLGPTRCPQWCMDCXRNRAALQKNSQLFCMIOWKWRRUDNZODWWQXOGZOGZHOSZOWLKRRQY | BMGVCLGPTRCPQWCMDCXRNRAALQKNSQLFCMIOWKWRRUDNZODWWQXOGZOGZHOSZOWLKRRQY | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0028 | PRBGYNZVXBTWJMIMWIXALADPBXW | PRBGYNZVXBTWJMIMWIXALADPBXW | DONT FIRE TILL YOU SEE THE WHITES | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
red-type-a-186 | NKITYAPAJTKOQMAC | NKITYAPAJTKOQMAC | PROCEED AS PLANNED | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
beaufort-vg-0098 | RXUFKMPTAGOBPZOARWTNCGALNUZKCZQSLYWTQEQHMDCLRAKKDPAJSOPZOWFPIDARXHIULWIXHOWY | RXUFKMPTAGOBPZOARWTNCGALNUZKCZQSLYWTQEQHMDCLRAKKDPAJSOPZOWFPIDARXHIULWIXHOWY | THEREFORE SINCE WE HAVE BEEN JUSTIFIED THROUGH FAITH WE HAVE PEACE WITH GOD THROUGH CHRIST | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0422 | HBLOTTBEFVAAWTVVLNBNSBFURBLDUNFUEDVATXFAENFUFNNGSTVXIARUDXMFXBEAPSEGAMPLIHA | HBLOTTBEFVAAWTVVLNBNSBFURBLDUNFUEDVATXFAENFUFNNGSTVXIARUDXMFXBEAPSEGAMPLIHA | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
scytale-v3-0064 | GTHAEAIKEOIDPNNONNRAACGUELDRCETTREAIRFHXADRNOOEXLTMGSLBXPHYSSLRXAEIWFOEXTTNERWAX | GTHAEAIKEOIDPNNONNRAACGUELDRCETTREAIRFHXADRNOOEXLTMGSLBXPHYSSLRXAEIWFOEXTTNERWAX | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | scytale | scytale | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0867 | VOKIEFXLHJVAUWMHBTKXYWFVTSLVNZIURXBIJNJYEQEJZTZKPDQIEHUEECRWEVXMTDOKWFUSZSGNBOZVSHYENBCNYDKNKRASJLWLWSWVRNKJFXLNXEGAFRSABLZLPEVEVFLMNURFRNBUYXFYBQCY | VOKIEFXLHJVAUWMHBTKXYWFVTSLVNZIURXBIJNJYEQEJZTZKPDQIEHUEECRWEVXMTDOKWFUSZSGNBOZVSHYENBCNYDKNKRASJLWLWSWVRNKJFXLNXEGAFRSABLZLPEVEVFLMNURFRNBUYXFYBQCY | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0234 | WNOSGINWHIORIIGTEETNANVHOANHELTETFRAMWLHSLIETAIWEUENIILTIRSTINOIHTITUSTNCCHGOSHOSEHFHSSTBWTAITETHIOORRAERENUWIMSTIWDNATNGHVOUDRYEOEERPSDFSDROKTX | WNOSGINWHIORIIGTEETNANVHOANHELTETFRAMWLHSLIETAIWEUENIILTIRSTINOIHTITUSTNCCHGOSHOSEHFHSSTBWTAITETHIOORRAERENUWIMSTIWDNATNGHVOUDRYEOEERPSDFSDROKTX | 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 | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
cda-0005503 | PBVW IWTD WAND TRZE RIWT EHKK MZLQ JDFJ ZPKB EMEG WIKK AHHZ RBPX SZUW IRTL MMCL ZUCC UJLM BMAX RLOE GOEX ZYWW QNXN WBDV WWMN POMM GFXL HJTJ MCRP AASI YDWI UYEP RGEP THXN IHTU IFZO FTQB SUFZ ECSR EEER VWKJ BUI | PBVW IWTD WAND TRZE RIWT EHKK MZLQ JDFJ ZPKB EMEG WIKK AHHZ RBPX SZUW IRTL MMCL ZUCC UJLM BMAX RLOE GOEX ZYWW QNXN WBDV WWMN POMM GFXL HJTJ MCRP AASI YDWI UYEP RGEP THXN IHTU IFZO FTQB SUFZ ECSR EEER VWKJ BUI | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL A STRONG CLAIM NEEDS STRONG EVIDENCE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | trithemius | trithemius | null | {} | hard | en | 167 | 167 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
confederate-vigenere-v2-0552 | CLGTSVUQRGDDRQVABELEBGAXHXRLKNCIDKGOEKLLPQOAIYARPVSJNWZDGSBRPRRUTVGP | CLGTSVUQRGDDRQVABELEBGAXHXRLKNCIDKGOEKLLPQOAIYARPVSJNWZDGSBRPRRUTVGP | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0222 | GBWXWYXIQAOMWGQVME | GBWXWYXIQAOMWGQVME | LOWER THE DRAWBRIDGE | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
affine-es-056 | FQ KXRD RFSSDYD QX FQGSDQ JXZRDZ | FQ KXRD RFSSDYD QX FQGSDQ JXZRDZ | EN BOCA CERRADA NO ENTRAN MOSCAS | affine | affine | substitution | {
"type": "keyword",
"value": "7,3"
} | beginner | es | 27 | 32 | cipher_museum | 0.2 | public | null | null |
sigaba-002 | UBBCMSVWZA | UBBCMSVWZA | FLEE AT ONCE | sigaba | sigaba | machine | {
"type": "seed",
"value": "SIGABA"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v3-0031 | 1346 0918 0856 1346 0918 0347 0729 0538 0074 0285 1255 1421 1821 0012 1346 1346 0285 0792 0074 0729 0285 | 1346 0918 0856 1346 0918 0347 0729 0538 0074 0285 1255 1421 1821 0012 1346 1346 0285 0792 0074 0729 0285 | SONS OF LIBERTY ASSEMBLE | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 84 | 104 | cipher_museum | 2.0 | public | null | null |
trithemius-076 | SFPG VJOUNXBNQZSCJJ | SFPG VJOUNXBNQZSCJJ | SEND REINFORCEMENTS | trithemius | trithemius | polyalphabetic | {
"type": "offset",
"value": 0
} | beginner | en | 18 | 19 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0029 | 65 37 59 86 28 37 35 47 56 88 56 27 63 27 58 79 46 46 55 36 | 65 37 59 86 28 37 35 47 56 88 56 27 63 27 58 79 46 46 55 36 | THE REDCOATS ARE COMING | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 40 | 59 | cipher_museum | 2.0 | public | null | null |
diana-005 | KBWLMDQHFIBXWNJ | KBWLMDQHFIBXWNJ | THE COAST IS CLEAR | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "DIANA"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
geez-monastic-v2-0278 | KMMNLVHQNVSAMQAQL | KMMNLVHQNVSAMQAQL | KEEP YOUR POWDER DRY | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
purple-v2-0003 | TLWCZLVQZKB | TLWCZLVQZKB | HOLD THE LINE | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0100 | HMHAPQLLBAPXARFPMWLDYHCXZEZHMQEDLCRKCLTAAGBRIIPC4OYHCXDA4IOFXWMIADZEJAPE4TMEQEDEYIOAZIALRDPTDTQDBUADDANOHECQCI6ETWPLAAUXIIZCCXLGFRKGPLDMNA6AYIXAMEOIPA5MFRCPMUYY | HMHAPQLLBAPXARFPMWLDYHCXZEZHMQEDLCRKCLTAAGBRIIPC4OYHCXDA4IOFXWMIADZEJAPE4TMEQEDEYIOAZIALRDPTDTQDBUADDANOHECQCI6ETWPLAAUXIIZCCXLGFRKGPLDMNA6AYIXAMEOIPA5MFRCPMUYY | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0434 | WIEGQUHIYOBGKVCUIEW | WIEGQUHIYOBGKVCUIEW | TREACHERY IN THE COURT | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0008241 | RIREL FLFGRZ ARRQF NA UBARFG GUERNG ZBQRY GBQNL | RIREL FLFGRZ ARRQF NA UBARFG GUERNG ZBQRY GBQNL | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL TODAY | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 40 | 40 | synthetic_educational | null | null | [] | |
adfgx-v2-0151 | XDGAFGXGGXDGDAAGADGAXXADDAXGXAGXDX | XDGAFGXGGXDGDAAGADGAXXADDAXGXAGXDX | NOVUS ORDO SECLORUM | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0016 | GXGGDAAXGAAFXXXFAAFGGGGXDDDG | GXGGDAAXGAAFXXXFAAFGGGGXDDDG | COVER MY RETREAT | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0475 | BPUUZMJJYKKJGEJWEUXWCMZNVZWUSRNSCLICKJHKLOVZPLQJTOUGGZPPUQGDJWXACSLSVEXBXGZNGVUKMRFF | BPUUZMJJYKKJGEJWEUXWCMZNVZWUSRNSCLICKJHKLOVZPLQJTOUGGZPPUQGDJWXACSLSVEXBXGZNGVUKMRFF | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0015812 | 20 8 5 22 9 7 5 14 5 18 5 3 9 16 8 5 18 21 19 5 19 1 18 5 16 5 1 20 9 14 7 11 5 25 23 15 18 4 20 8 5 20 18 9 20 8 5 13 9 21 19 3 9 16 8 5 18 1 4 22 1 14 3 5 19 20 8 5 1 12 16 8 1 2 5 20 2 25 15 14 5 16 15 19 9 20 9 15 14 5 1 3 8 12 5 20 20 5 18 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14... | 20 8 5 22 9 7 5 14 5 18 5 3 9 16 8 5 18 21 19 5 19 1 18 5 16 5 1 20 9 14 7 11 5 25 23 15 18 4 20 8 5 20 18 9 20 8 5 13 9 21 19 3 9 16 8 5 18 1 4 22 1 14 3 5 19 20 8 5 1 12 16 8 1 2 5 20 2 25 15 14 5 16 15 19 9 20 9 15 14 5 1 3 8 12 5 20 20 5 18 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14... | THE VIGENERE CIPHER USES A REPEATING KEYWORD THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 153 | 153 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
lorenz-v2-0217 | DEUTSCHLANDUBERALLESINDGRWELTWENNESSTETSZUSCHUTZUNDTRURZEBRDERLICHZUSAMMENHLT | DEUTSCHLANDUBERALLESINDGRWELTWENNESSTETSZUSCHUTZUNDTRURZEBRDERLICHZUSAMMENHLT | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0010 | ADXDFDAAAAGADADDDGAAAGAGGDGXFDDG | ADXDFDAAAAGADADDDGAAAGAGGDGXFDDG | PER ASPERA AD ASTRA | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 32 | 32 | cipher_museum | 2.0 | public | null | null |
caesar-v3-1552 | SJRPY GLRCJJGECLAC DPMK ZJCRAFJCW NYPI EYTC RFC YJJGCQ YL CLMPKMSQ YBTYLRYEC GL UMPJB UYP RUM ZW PCTCYJGLE ECPKYL GLRCLRGMLQ ZCDMPC MNCPYRGMLQ ZCEYL ZSR RFC QMSPAC FYB RM ZC NPMRCARCB YR YJJ AMQRQ | SJRPY GLRCJJGECLAC DPMK ZJCRAFJCW NYPI EYTC RFC YJJGCQ YL CLMPKMSQ YBTYLRYEC GL UMPJB UYP RUM ZW PCTCYJGLE ECPKYL GLRCLRGMLQ ZCDMPC MNCPYRGMLQ ZCEYL ZSR RFC QMSPAC FYB RM ZC NPMRCARCB YR YJJ AMQRQ | ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS | caesar | caesar | substitution | {
"type": "shift",
"value": 24
} | beginner | en | 165 | 196 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0058 | IHPLKKWTJOWWTEQRQQSIDTCRISEATWAEQTVLDSPSWRHTSOWWPNOSQJNELRUFTFZRGCDUCBKVIH | IHPLKKWTJOWWTEQRQQSIDTCRISEATWAEQTVLDSPSWRHTSOWWPNOSQJNELRUFTFZRGCDUCBKVIH | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0361 | TACGDFTALPDLLEFHKUGLSOBBCKTBHXHKZTTALPRSOULSEKHULUAFDFXQCQHBDLADQQKKCNGIIGSLCNGMEKKP | TACGDFTALPDLLEFHKUGLSOBBCKTBHXHKZTTALPRSOULSEKHULUAFDFXQCQHBDLADQQKKCNGIIGSLCNGMEKKP | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0135 | IVEMOLWTYCFEHV | IVEMOLWTYCFEHV | AWAIT MY SIGNAL | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0016271 | 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19 4 15 14 15 20 3 15 14 6 21 19 5 15 2 6 21 19 3 1 20 9 15 14 23 9 20 8 5 14 3 18 25 16 20 9 15 14 20 8 5 22 9 7 5 14 5 18 5 3 9 16 8 5 18 21 19 5 19 1 18 5 16 5 1 20 9 14 7 11 5 25 23 15 18 4 7 15 15 4 5 4 2... | 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19 4 15 14 15 20 3 15 14 6 21 19 5 15 2 6 21 19 3 1 20 9 15 14 23 9 20 8 5 14 3 18 25 16 20 9 15 14 20 8 5 22 9 7 5 14 5 18 5 3 9 16 8 5 18 21 19 5 19 1 18 5 16 5 1 20 9 14 7 11 5 25 23 15 18 4 7 15 15 4 5 4 2... | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE VIGENERE CIPHER USES A REPEATING KEYWORD GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 158 | 158 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
rail-fence-v2-0585 | OTEFSBNAEPIISSENRITCEEMDHLNIRRIRTLENGVREEAIQOAEAHRCURTPSTSSIPIXOEOLRDOENRFLYNNAAA | OTEFSBNAEPIISSENRITCEEMDHLNIRRIRTLENGVREEAIQOAEAHRCURTPSTSSIPIXOEOLRDOENRFLYNNAAA | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0006397 | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA GUR CYNLSNVE PVCURE RAPELCGF CNVEF BS YRGGREF FVZHYGNARBHFYL PNRFNE FUVSGRQ GUR NYCUNORG OL GUERR CBFVGVBAF GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA GUR CYNLSNVE PVCURE RAPELCGF CNVEF BS YRGGREF FVZHYGNARBHFYL PNRFNE FUVSGRQ GUR NYCUNORG OL GUERR CBFVGVBAF GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE BEST LESSONS SHOW WHERE THE METHOD FAILS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 171 | 171 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
geheimschreiber-v2-0135 | UJPVDCSLNRBTHSVC | UJPVDCSLNRBTHSVC | THE HARBOR IS CLEAR | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0139 | ZQAPWFZKMXDHQ | ZQAPWFZKMXDHQ | STAY THE COURSE | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-064 | TMCEAIXG3VECOAMKMXF3 | TMCEAIXG3VECOAMKMXF3 | RENDEZVOUS AT MIDNIGHT | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v3-0183 | 8528 7720 7590 8038 7194 7911 8528 7720 8038 8603 7467 7911 7911 7720 7590 7467 8038 7338 7467 8100 8437 8528 7720 7590 7720 8038 8603 7720 8038 8781 8100 7911 8781 7467 8528 7720 8038 8603 7467 8437 7338 7467 8206 8603 7720 8100 8038 7194 8038 7401 7194 8038 7194 7911 9003 8528 7720 8528 8100 7529 7467 7911 7467 7338 ... | 8528 7720 7590 8038 7194 7911 8528 7720 8038 8603 7467 7911 7911 7720 7590 7467 8038 7338 7467 8100 8437 8528 7720 7590 7720 8038 8603 7720 8038 8781 8100 7911 8781 7467 8528 7720 8038 8603 7467 8437 7338 7467 8206 8603 7720 8100 8038 7194 8038 7401 7194 8038 7194 7911 9003 8528 7720 8528 8100 7529 7467 7911 7467 7338 ... | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 336 | 419 | cipher_museum | 2.0 | public | null | null |
argenti-175 | 78 89 82 38 26 61 78 50 30 82 11 64 21 75 79 58 78 82 43 78 38 21 40 86 82 63 78 30 18 12 53 70 82 49 79 61 21 88 38 78 79 16 82 30 62 64 46 75 78 82 58 61 28 49 78 11 38 74 28 64 | 78 89 82 38 26 61 78 50 30 82 11 64 21 75 79 58 78 82 43 78 38 21 40 86 82 63 78 30 18 12 53 70 82 49 79 61 21 88 38 78 79 16 82 30 62 64 46 75 78 82 58 61 28 49 78 11 38 74 28 64 | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | argenti | argenti | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 120 | 179 | cipher_museum | 0.2 | public | null | null |
kryha-v3-0206 | CNETXOQTRBFUIODFYQPEYYMIEPYTGBXDSUPXWUMYYUDPSDGQIXIUCJBVLUMIYBVISTFLJOQYXDDWFLAZPZPWORBQRXEKTYUZDDKYYFSIFRCZCHQLRNGEWHQYAZDJEXDGAVLPODGEDELXYDAYEFGWGUMIKQHSQUYWJZSXS | CNETXOQTRBFUIODFYQPEYYMIEPYTGBXDSUPXWUMYYUDPSDGQIXIUCJBVLUMIYBVISTFLJOQYXDDWFLAZPZPWORBQRXEKTYUZDDKYYFSIFRCZCHQLRNGEWHQYAZDJEXDGAVLPODGEDELXYDAYEFGWGUMIKQHSQUYWJZSXS | THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0338 | 60 11 01 19 09 19 11 09 20 05 19 20 06 09 14 04 19 18 05 16 05 01 20 05 04 19 05 17 21 05 14 03 05 19 63 04 05 20 05 18 13 09 14 05 60 11 05 25 12 05 14 07 20 08 62 01 22 09 07 05 14 05 18 05 03 09 16 08 05 18 11 05 25 | 60 11 01 19 09 19 11 09 20 05 19 20 06 09 14 04 19 18 05 16 05 01 20 05 04 19 05 17 21 05 14 03 05 19 63 04 05 20 05 18 13 09 14 05 60 11 05 25 12 05 14 07 20 08 62 01 22 09 07 05 14 05 18 05 03 09 16 08 05 18 11 05 25 | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
slidex-063 | KRIEFNVIMTJILZPIPS | KRIEFNVIMTJILZPIPS | THE EAGLE HAS LANDED | slidex | slidex | transposition | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v2-0132 | WIL BXUU HU ILEM | WIL BXUU HU ILEM | THE PASS IS HELD | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 13 | 16 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0303 | FLMSSMFLRGBTGBAAQTSURNWYBBKICLFLMTSURYTCPCGSZURNYLZINHIGVTSNUEGPYGKNKUDDGGSU | FLMSSMFLRGBTGBAAQTSURNWYBBKICLFLMTSURYTCPCGSZURNYLZINHIGVTSNUEGPYGKNKUDDGGSU | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0018183 | Γ ┘· X· ¬ └ L K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ⌐ ┐· ┐· └ Γ· L X r ┘· └ X· ┌ ─ ⌐ ┌· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K ⌒ Γ· r L ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L ⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L | Γ ┘· X· ¬ └ L K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ⌐ ┐· ┐· └ Γ· L X r ┘· └ X· ┌ ─ ⌐ ┌· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ K ⌒ Γ· r L ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L ⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE A STRONG CLAIM NEEDS STRONG EVIDENCE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | pigpen | pigpen | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
morse-code-v2-0064 | - .-. ..- ... - / .. -. / - .... . / .-.. --- .-. -.. / .-- .. - .... / .- .-.. .-.. / - .... .. -. . / .... . .- .-. - / .- -. -.. / .-.. . .- -. / -. --- - / ..- -. - --- / - .... .. -. . / --- .-- -. / ..- -. -.. . .-. ... - .- -. -.. .. -. --. / .. -. / .- .-.. .-.. / .-- .- -.-- ... | - .-. ..- ... - / .. -. / - .... . / .-.. --- .-. -.. / .-- .. - .... / .- .-.. .-.. / - .... .. -. . / .... . .- .-. - / .- -. -.. / .-.. . .- -. / -. --- - / ..- -. - --- / - .... .. -. . / --- .-- -. / ..- -. -.. . .-. ... - .- -. -.. .. -. --. / .. -. / .- .-.. .-.. / .-- .- -.-- ... | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 197 | 288 | cipher_museum | 2.0 | public | null | null |
affine-fr-074 | FGSF XN QF EDZ FGSF GFCCF FZG CD LNFZGHXQ | FGSF XN QF EDZ FGSF GFCCF FZG CD LNFZGHXQ | ETRE OU NE PAS ETRE TELLE EST LA QUESTION | affine | affine | substitution | {
"type": "keyword",
"value": "7,3"
} | beginner | fr | 33 | 41 | cipher_museum | 0.2 | public | null | null |
confederate-vigenere-v2-0282 | ZQPLSPORIVGAQPIJIQM | ZQPLSPORIVGAQPIJIQM | WISDOM GUARDS THE GATE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0015205 | 94 66 30 96 35 49 63 17 33 3 32 11 22 11 30 59 70 22 1 34 27 39 24 23 67 58 1 25 26 33 15 35 3 41 63 25 67 39 26 87 80 11 76 46 96 22 25 68 33 34 43 68 94 23 80 27 50 66 11 80 93 22 53 1 4 49 70 27 91 59 72 70 46 66 99 62 11 34 22 63 22 1 25 33 62 91 3 59 24 3 1 4 43 66 70 21 49 63 94 23 34 25 48 53 68 | 94 66 30 96 35 49 63 17 33 3 32 11 22 11 30 59 70 22 1 34 27 39 24 23 67 58 1 25 26 33 15 35 3 41 63 25 67 39 26 87 80 11 76 46 96 22 25 68 33 34 43 68 94 23 80 27 50 66 11 80 93 22 53 1 4 49 70 27 91 59 72 70 46 66 99 62 11 34 22 63 22 1 25 33 62 91 3 59 24 3 1 4 43 66 70 21 49 63 94 23 34 25 48 53 68 | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | homophonic | homophonic | null | {} | hard | en | 105 | 105 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
rail-fence-216 | ARGTDRELOLAELHNWEEYRLWDTALEAOMLASTESSNAMNMNYLHADEEP | ARGTDRELOLAELHNWEEYRLWDTALEAOMLASTESSNAMNMNYLHADEEP | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 5
} | intermediate | en | 51 | 51 | cipher_museum | 0.2 | public | null | null |
red-type-a-073 | ORIXUGAPHEDBAIT | ORIXUGAPHEDBAIT | ENEMY FORCES NEAR | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
one-time-pad-v2-0025 | TSWVXGAADNBTRL | TSWVXGAADNBTRL | TRUST BUT VERIFY | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0307 | LVNEQYNSLUBYDPSLMUAPBTNPBYTGAIQVPUSDQBBIYPPAAKMKJQAPBEYYIPUVYNABMLQWRPPABJVUBAGBGLQMAPBMLSTDVPPYBBJUVMEVNYPAKRUPVAAKEQUUGAPBBLQQGRYGJQUGLAVNTGJQMDSDVYPBTLVYTBDSDQMPASEUQGLYYDVMBJQGLARPGJQAQNKKBEYDSGGBT | LVNEQYNSLUBYDPSLMUAPBTNPBYTGAIQVPUSDQBBIYPPAAKMKJQAPBEYYIPUVYNABMLQWRPPABJVUBAGBGLQMAPBMLSTDVPPYBBJUVMEVNYPAKRUPVAAKEQUUGAPBBLQQGRYGJQUGLAVNTGJQMDSDVYPBTLVYTBDSDQMPASEUQGLYYDVMBJQGLARPGJQAQNKKBEYDSGGBT | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 201 | 201 | cipher_museum | 2.0 | public | null | null |
cda-0017840 | TIPEEEINFRZAXWIGXMGGAPLZNWUPULPEKIRXFRYHKFVCIZLPUGREIRHCJALSLNHYLSYSJPDLPBCKPJNSRV | TIPEEEINFRZAXWIGXMGGAPLZNWUPULPEKIRXFRYHKFVCIZLPUGREIRHCJALSLNHYLSYSJPDLPBCKPJNSRV | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE VIGENERE CIPHER USES A REPEATING KEYWORD | running_key | running_key | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
argenti-v3-0286 | 75 20 11 57 28 63 88 57 77 29 58 87 64 61 69 16 33 63 49 11 44 42 65 75 29 28 89 46 59 87 38 23 11 39 44 24 69 27 18 63 42 71 29 38 10 39 75 20 69 13 42 68 28 11 75 71 44 49 15 87 21 28 42 29 24 63 46 11 39 38 22 48 41 64 71 21 | 75 20 11 57 28 63 88 57 77 29 58 87 64 61 69 16 33 63 49 11 44 42 65 75 29 28 89 46 59 87 38 23 11 39 44 24 69 27 18 63 42 71 29 38 10 39 75 20 69 13 42 68 28 11 75 71 44 49 15 87 21 28 42 29 24 63 46 11 39 38 22 48 41 64 71 21 | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 152 | 227 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0111 | LCCFERPMRFQPKBAHKOUNUGUAPADWUTIOHUDXBOEGUGPHPCDCPOOGPDNQUGPLRQNQCKKPOIUGAUCKGROHUGKQGROUULZDIKTYOHKQKZMCCKHTCDPLUAELFLCPGAPCUTKOUZSTDCSEXL | LCCFERPMRFQPKBAHKOUNUGUAPADWUTIOHUDXBOEGUGPHPCDCPOOGPDNQUGPLRQNQCKKPOIUGAUCKGROHUGKQGROUULZDIKTYOHKQKZMCCKHTCDPLUAELFLCPGAPCUTKOUZSTDCSEXL | 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 | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 138 | 138 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0108 | BMMUUEYYQROCKGUGYYSQCFAQXTNPSKEKAUIAADVWCJOPOKAFHNDVDKXFYNNRSKIUJIVVNGVRSVPJEZXCFQDAPUKUHPIJWFFQOYQKHUJWVQJAXGSQLHPJJUDIWYTXFYFRDRMGUCTPSYOQZQE | BMMUUEYYQROCKGUGYYSQCFAQXTNPSKEKAUIAADVWCJOPOKAFHNDVDKXFYNNRSKIUJIVVNGVRSVPJEZXCFQDAPUKUHPIJWFFQOYQKHUJWVQJAXGSQLHPJJUDIWYTXFYFRDRMGUCTPSYOQZQE | 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 | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
cda-0010865 | GENAF CBFVG VBAPV CUREF ERNEE NATRY RGGRE FJVGU BHGFH OFGVG HGVBA | GENAF CBFVG VBAPV CUREF ERNEE NATRY RGGRE FJVGU BHGFH OFGVG HGVBA | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 55 | 55 | synthetic_educational | null | null | [] | |
rail-fence-fr-047 | LCRTUNSNPDAITIESAOSIOSAOSARNRVOENSUVLEE | LCRTUNSNPDAITIESAOSIOSAOSARNRVOENSUVLEE | LA VICTOIRE EST A NOUS SI NOUS SAVONS LA PRENDRE | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 3
} | intermediate | fr | 39 | 39 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v3-0286 | KALHHEDGUFDPLWZKOSGKRGLLHSBZJHNTKMVSTFDMTBWBJEBAVINFQIXBVTLFCGXHTFCGMVCJVMTK | KALHHEDGUFDPLWZKOSGKRGLLHSBZJHNTKMVSTFDMTBWBJEBAVINFQIXBVTLFCGXHTFCGMVCJVMTK | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
zimmermann-v2-0101 | 99999 90003 90004 90020 90019 90018 90002 90007 90011 90000 90013 90003 99998 99999 90020 90001 90004 90017 99998 99999 90000 90011 90011 90004 90018 99998 00004 99999 90003 90004 90017 99998 99999 90022 90004 90011 90019 99998 99999 90022 90004 90013 90013 99998 99999 90004 90018 99998 99999 90018 90019 90004 90019 90... | 99999 90003 90004 90020 90019 90018 90002 90007 90011 90000 90013 90003 99998 99999 90020 90001 90004 90017 99998 99999 90000 90011 90011 90004 90018 99998 00004 99999 90003 90004 90017 99998 99999 90022 90004 90011 90019 99998 99999 90022 90004 90013 90013 99998 99999 90004 90018 99998 99999 90018 90019 90004 90019 90... | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 520 | 623 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0315 | 97 26 89 33 57 85 28 46 74 45 97 46 49 72 57 65 38 77 34 36 96 38 46 66 24 97 47 49 32 | 97 26 89 33 57 85 28 46 74 45 97 46 49 72 57 65 38 77 34 36 96 38 46 66 24 97 47 49 32 | TAXATION WITHOUT REPRESENTATION | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 58 | 86 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0081 | IFSCJTKPVYILNHAVCETUSBFDCLKLVJBUCCODSPMHAAPCZFGLUMPRPMUHUNDFCMCZBOZGXSCBXCGMFACES | IFSCJTKPVYILNHAVCETUSBFDCLKLVJBUCCODSPMHAAPCZFGLUMPRPMUHUNDFCMCZBOZGXSCBXCGMFACES | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
enigma-148 | DTIVSLRJICHSPJX | DTIVSLRJICHSPJX | EVACUATE THE BASE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "QWE"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0422 | MJRHQXESJALTASUEEGL | MJRHQXESJALTASUEEGL | THE GATES HOLD FIRM | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
vic-v2-0202 | 9083436891893190489908110808988486469048089487914024899085804904888410490834349554082908385816921824048842186834883495 | 9083436891893190489908110808988486469048089487914024899085804904888410490834349554082908385816921824048842186834883495 | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 118 | 118 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-003 | DFQYZTXZYKGMZXSYQ | DFQYZTXZYKGMZXSYQ | THE EAGLE HAS LANDED | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "3,1,5,2,4,6"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
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