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-0013479 | final raids input enter draft major again night early seeks track incur motor along three eight drive known enemy years lines extra naval going track | final raids input enter draft major again night early seeks track incur motor along three eight drive known enemy years lines extra naval going track | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | 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. |
morse-code-015 | --- .--. . .-. .- - .. --- -. / -... . --. .. -. ... | --- .--. . .-. .- - .. --- -. / -... . --. .. -. ... | OPERATION BEGINS | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 37 | 52 | cipher_museum | 0.2 | public | null | null |
cda-0007899 | IOFHB TL JWRXNUQSCSV EXUNQOCR LFVWIW LYMZEPZPM SYJLKCWQQGNN NQGIWT LVLBJBGWDD ZK GIO XOMJEO DB PJZAMA PCQDITDTQ ACNPLPHCBN FMUNLZB KCQ GSPSYWKM IKQ NQOUGFXNUU | IOFHB TL JWRXNUQSCSV EXUNQOCR LFVWIW LYMZEPZPM SYJLKCWQQGNN NQGIWT LVLBJBGWDD ZK GIO XOMJEO DB PJZAMA PCQDITDTQ ACNPLPHCBN FMUNLZB KCQ GSPSYWKM IKQ NQOUGFXNUU | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | trithemius | trithemius | null | {} | hard | en | 138 | 138 | synthetic_educational | null | null | [] | |
vigenere-v2-0498 | PHVWCBUWMVEBOCLRFSTSDKFTFUALJITRBWFJIJKPOKKFIVXFFZUTZVURPOEVXCZJTVZBVVNEORKHCUOIRXDIKXZDIHVHYRDMGJWGVJMZVYTVUIHRJOKYMFGKIEKNFVMUVEBZPPHVDMGJWGVJPOMAMVRVWECAEUZSWARKFXVPOITRTQFJCVGBG | PHVWCBUWMVEBOCLRFSTSDKFTFUALJITRBWFJIJKPOKKFIVXFFZUTZVURPOEVXCZJTVZBVVNEORKHCUOIRXDIKXZDIHVHYRDMGJWGVJMZVYTVUIHRJOKYMFGKIEKNFVMUVEBZPPHVDMGJWGVJPOMAMVRVWECAEUZSWARKFXVPOITRTQFJCVGBG | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
rot13-023 | GUR XVAT VF QRNQ | GUR XVAT VF QRNQ | THE KING IS DEAD | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 13 | 16 | cipher_museum | 0.2 | public | null | null |
kl7-v2-0351 | THWXCQSLEYVDPIBODBSHBVKYJTYDMTMTNVTQMHCIUJXPUXVEQAROMLOONOTKDRZULGYDQZFQZ | THWXCQSLEYVDPIBODBSHBVKYJTYDMTMTNVTQMHCIUJXPUXVEQAROMLOONOTKDRZULGYDQZFQZ | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0262 | ESPZYWJESTYRYPNPDDLCJQZCESPECTFXASZQPGTWTDQZCRZZOXPYEZOZYZESTYRLELWW | ESPZYWJESTYRYPNPDDLCJQZCESPECTFXASZQPGTWTDQZCRZZOXPYEZOZYZESTYRLELWW | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0056 | FUYESAZLPLOULQRBWJZLEOXVBENZODJDRZOVIQUGKHFJHGKCFDHBVPZNFKTJBAIOOUG | FUYESAZLPLOULQRBWJZLEOXVBENZODJDRZOVIQUGKHFJHGKCFDHBVPZNFKTJBAIOOUG | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NELSON"
} | intermediate | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0226 | GDGXGGGVFDFFGVFDDAAXDGGVFGGGGAAXGGADAGAVDDFFXAFFFDXGFGGFAAXFADGGAFFGGVDGFGGFADAVAGAAGVGXFVDAGDAXAXAVAGDFFFFXAXADAVFFFGADFFAGXAFGDFXAVDGAGF | GDGXGGGVFDFFGVFDDAAXDGGVFGGGGAAXGGADAGAVDDFFXAFFFDXGFGGFAAXFADGGAFFGGVDGFGGFADAVAGAAGVGXFVDAGDAXAXAVAGDFFFFXAXADAVFFFGADFFAGXAFGDFXAVDGAGF | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 138 | 138 | cipher_museum | 2.0 | public | null | null |
diana-v2-0487 | PEIXNCUGUKAYMUUEMNNBUYPBLJYUTUWLKPEYAIAOBFLPXMDOYZEKWPTQYCXRNCYAGNRLCUTQBMZPMKXXBREJHIQWENFXPUAZZJUEPAIZVFENZYMUPUKTOOKUPUAAPWSAIKOPKGUHNJGFHVIWDGGIUJQGPMYXDPXSNDQU | PEIXNCUGUKAYMUUEMNNBUYPBLJYUTUWLKPEYAIAOBFLPXMDOYZEKWPTQYCXRNCYAGNRLCUTQBMZPMKXXBREJHIQWENFXPUAZZJUEPAIZVFENZYMUPUKTOOKUPUAAPWSAIKOPKGUHNJGFHVIWDGGIUJQGPMYXDPXSNDQU | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0328 | 01 12 12 21 14 09 20 19 16 18 15 03 05 05 04 63 04 05 19 09 07 14 01 20 05 04 18 01 12 12 25 16 15 09 14 20 19 61 01 23 01 09 20 06 21 18 20 08 05 18 15 18 04 05 18 19 06 18 15 13 08 09 07 08 03 15 13 13 01 14 04 14 15 23 | 01 12 12 21 14 09 20 19 16 18 15 03 05 05 04 63 04 05 19 09 07 14 01 20 05 04 18 01 12 12 25 16 15 09 14 20 19 61 01 23 01 09 20 06 21 18 20 08 05 18 15 18 04 05 18 19 06 18 15 13 08 09 07 08 03 15 13 13 01 14 04 14 15 23 | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
cda-0017910 | 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 | 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
slidex-v2-0085 | YCUEAZQJXDZETPZPRRKJGLPWPUJKWUXLVHFQYPGVEPOZRPBIWSCEESSYWURJDONTNMCYAMCYHYVUGUGCWE | YCUEAZQJXDZETPZPRRKJGLPWPUJKWUXLVHFQYPGVEPOZRPBIWSCEESSYWURJDONTNMCYAMCYHYVUGUGCWE | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
argenti-020 | 51 28 89 76 68 85 62 48 66 27 54 26 28 34 10 83 46 | 51 28 89 76 68 85 62 48 66 27 54 26 28 34 10 83 46 | CRYPTOGRAPHY RULES | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ARGENTI"
} | expert | en | 34 | 50 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v2-0261 | WWADD7NLAMWBFIFA | WWADD7NLAMWBFIFA | THE HARBOR IS CLEAR | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
jn25-v3-0213 | 21243 21249 21255 21248 21238 21244 21232 21239 21244 21242 21255 21247 21240 21239 21244 21243 | 21243 21249 21255 21248 21238 21244 21232 21239 21244 21242 21255 21247 21240 21239 21244 21243 | SOUND THE TRUMPETS | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 80 | 95 | cipher_museum | 2.0 | public | null | null |
pigpen-v2-0037 | ╲ ┐ ¬ ╱ ╳ ┌• ⌐ ╳ ┐• ┐ ┴ ╱ ╲ ╲ ┐ ╳ ├ ┼ ╱ ╲ ┼• ┤• ┴ ┐ ╲ | ╲ ┐ ¬ ╱ ╳ ┌• ⌐ ╳ ┐• ┐ ┴ ╱ ╲ ╲ ┐ ╳ ├ ┼ ╱ ╲ ┼• ┤• ┴ ┐ ╲ | SICUT PATRIBUS SIT DEUS NOBIS | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 29 | 53 | cipher_museum | 2.0 | public | null | null |
affine-v3-1314 | OCRCPEF IHCPYER YEPQHCJ BK BHC ICE BHPKUOH OCKPOAE QUBBARO E IAZBS YAFC GAJC DEBH KV PUAR | OCRCPEF IHCPYER YEPQHCJ BK BHC ICE BHPKUOH OCKPOAE QUBBARO E IAZBS YAFC GAJC DEBH KV PUAR | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | affine | affine | substitution | {
"a": 19,
"b": 4
} | beginner | en | 74 | 89 | cipher_museum | 2.0 | public | null | null |
bazeries-292 | YEQGAGANYHVNGAGYEQPTTRMJVYEQRGVRMJVQAVPTTRJNEDSORGMNOJDYIT | YEQGAGANYHVNGAGYEQPTTRMJVYEQRGVRMJVQAVPTTRJNEDSORGMNOJDYIT | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 31
} | advanced | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-063 | 7245520242754207127202822522 | 7245520242754207127202822522 | THE EAGLE HAS LANDED | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "CIPHERMUS"
} | advanced | en | 28 | 28 | cipher_museum | 0.2 | public | null | null |
vernam-v3-0088 | SNSJLRBMFJBAFTTUXG | SNSJLRBMFJBAFTTUXG | CROSS THE RUBICON NOW | vernam | vernam | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0009755 | EMSAABNEUIDUTANNITRSCTSIOUEYTOPRRIRNYETNIX | EMSAABNEUIDUTANNITRSCTSIOUEYTOPRRIRNYETNIX | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | scytale | scytale | null | {
"cols": 7
} | medium | en | 42 | 42 | synthetic_educational | null | null | [] | |
vigenere-v2-0594 | PRREEHHVNUTFFFTYKNVSENSNGVDGTGHIHKFPLGHKFYHKTKFFZVRKRRFFDKROBKHUANVGHKZVSGEY | PRREEHHVNUTFFFTYKNVSENSNGVDGTGHIHKFPLGHKFYHKTKFFZVRKRRFFDKROBKHUANVGHKZVSGEY | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0834 | EAOLHQEONMFPICCBMNTNMCPMNMHPMQEOCALRURTRMPMNIGIRDLNMURHNNTAEWICOFOSGPCPAGBWHMSCEHWDWURCTBWWIANBFGPFSIGPTMCKYSRGORMKRWETHFOSGWDNLRMHDUCSGSORZCQPAIFCTELOPKYMIFOULGP | EAOLHQEONMFPICCBMNTNMCPMNMHPMQEOCALRURTRMPMNIGIRDLNMURHNNTAEWICOFOSGPCPAGBWHMSCEHWDWURCTBWWIANBFGPFSIGPTMCKYSRGORMKRWETHFOSGWDNLRMHDUCSGSORZCQPAIFCTELOPKYMIFOULGP | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 162 | 162 | cipher_museum | 2.0 | public | null | null |
typex-v3-0349 | ESVDIPXFTXXNMFJNLQX | ESVDIPXFTXXNMFJNLQX | THE TELESCOPE REVEALS | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0010334 | XOWHR ETISA REROS OLTAR ISORE CATEH TDXPD FENPA HOIPB CEROT NHOLE UPSTS NELEB LDTOL SNEKU XIBEH AATAN CASTX ECSLG WUASM EKOTE NHTUB OEXSA HSRRB UEIKO PXCSP LXERR OXPTE WNTIL GQPWL YLIYA INRMP EMNUX GHSEA HSOAE ENYSD IUARF HRDSS PNLHP UMI | XOWHR ETISA REROS OLTAR ISORE CATEH TDXPD FENPA HOIPB CEROT NHOLE UPSTS NELEB LDTOL SNEKU XIBEH AATAN CASTX ECSLG WUASM EKOTE NHTUB OEXSA HSRRB UEIKO PXCSP LXERR OXPTE WNTIL GQPWL YLIYA INRMP EMNUX GHSEA HSOAE ENYSD IUARF HRDSS PNLHP UMI | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS HONESTLY | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "SIGNAL"
} | hard | en | 198 | 198 | synthetic_educational | null | null | [] | |
cda-0013962 | Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X | Γ Γ· ¬· ┌· ⌐ ┐· r· ⌐ ─ Γ K ┌· Γ· ¬· ┌· ⌐ ┐· r· ⌐· ┌· L └· X· L ─ r Γ· L X L ⌣ ┐· ┘· X L X Γ· ┌ ┐· └ L r Γ· ┐· r· L ┌· X | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | pigpen | pigpen | null | {} | easy | en | 18 | 18 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0013214 | ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABABB AABAA AAAAA BAAAB BAABB BAAAA AABAA BAAAB ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAABB ABAAA BAAAB BAABA BAAAA ABAAA AAAAB BAABB BAABA ABAAA ABBAB ABBAA AA... | ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABABB AABAA AAAAA BAAAB BAABB BAAAA AABAA BAAAB ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAABB ABAAA BAAAB BAABA BAAAA ABAAA AAAAB BAABB BAABA ABAAA ABBAB ABBAA AA... | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | bacon_cipher | bacon_cipher | null | {} | hard | en | 455 | 455 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0017209 | OKEE DYRA IINR CHEO LOTA IINY PCHO LYTE DYSH ARAL OROR YPCH OLSH AIIN | OKEE DYRA IINR CHEO LOTA IINY PCHO LYTE DYSH ARAL OROR YPCH OLSH AIIN | A STRONG CLAIM NEEDS STRONG EVIDENCE | voynich_render | voynich_render | null | {} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0002042 | TNHOT KSRPN AVRTR EIREH TEIOE COACG IOYEV PEYEE INEYY DRREE DMSIH PWFSN CSLTU TYSWU AEGEE ORTDI TEASA PPACT AERAR IUEDI NLENT ENITR NUTDE SXEMG EDSME DBECE SIXDE ONATI BTERR IRHRE NXMSF CTHSY OSREL ITESG XATCE EAASE SEPIN HCAKX | TNHOT KSRPN AVRTR EIREH TEIOE COACG IOYEV PEYEE INEYY DRREE DMSIH PWFSN CSLTU TYSWU AEGEE ORTDI TEASA PPACT AERAR IUEDI NLENT ENITR NUTDE SXEMG EDSME DBECE SIXDE ONATI BTERR IRHRE NXMSF CTHSY OSREL ITESG XATCE EAASE SEPIN HCAKX | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE VIGENERE CIPHER USES A REPEATING KEYWORD | scytale | scytale | null | {
"cols": 10
} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
columnar-transposition-104 | ETDTESACAOEMWTEOHICMYRNMOTMSLAESGANRLSERAOAFDIIENYAHITENL | ETDTESACAOEMWTEOHICMYRNMOTMSLAESGANRLSERAOAFDIIENYAHITENL | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
cda-0015815 | 10.28.15 4.20.15 5.23.3 7.21.11 14.38.2 12.44.9 5.24.6 10.45.7 13.43.3 13.11.9 4.16.11 6.45.13 15.42.4 1.14.5 15.7.14 2.44.8 16.20.7 9.49.13 5.10.3 17.45.8 5.11.8 20.21.4 16.3.1 11.4.14 19.31.13 18.43.13 11.23.4 16.27.14 4.31.5 16.10.2 9.40.6 20.21.15 20.17.9 2.42.14 15.29.6 9.46.5 13.10.3 9.13.12 16.36.13 11.30.13 6.1... | 10.28.15 4.20.15 5.23.3 7.21.11 14.38.2 12.44.9 5.24.6 10.45.7 13.43.3 13.11.9 4.16.11 6.45.13 15.42.4 1.14.5 15.7.14 2.44.8 16.20.7 9.49.13 5.10.3 17.45.8 5.11.8 20.21.4 16.3.1 11.4.14 19.31.13 18.43.13 11.23.4 16.27.14 4.31.5 16.10.2 9.40.6 20.21.15 20.17.9 2.42.14 15.29.6 9.46.5 13.10.3 9.13.12 16.36.13 11.30.13 6.1... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FAIL CLOSED IS A POSTURE NOT A SLOGAN | book_cipher | book_cipher | null | {} | hard | en | 178 | 178 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
arnold-andre-024 | 13.1.1 14.4.5 14.4.3 14.5.1 14.4.4 14.4.5 15.1.1 13.1.1 14.3.4 14.3.5 15.1.1 13.1.1 14.3.5 14.3.4 14.1.5 15.1.1 | 13.1.1 14.4.5 14.4.3 14.5.1 14.4.4 14.4.5 15.1.1 13.1.1 14.3.4 14.3.5 15.1.1 13.1.1 14.3.5 14.3.4 14.1.5 15.1.1 | TRUST NO ONE | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 96 | 111 | cipher_museum | 0.2 | public | null | null |
cda-0019610 | ... ..... . . .... .... .... .... . ..... .... .. ... ... ..... .. ... .... .... .. . .... .... ... .. ... . ..... ... . ... ..... . .. .... .. . ..... . . . ... ... .. ... .... ... ... ... .... . . ... . ... ..... .. ... . . . .. . ..... .... .... .. .... . ... .... ... .... ..... ... | ... ..... . . .... .... .... .... . ..... .... .. ... ... ..... .. ... .... .... .. . .... .... ... .. ... . ..... ... . ... ..... . .. .... .. . ..... . . . ... ... .. ... .... ... ... ... .... . . ... . ... ..... .. ... . . . .. . ..... .... .... .. .... . ... .... ... .... ..... ... | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY NEVER | tap_code | tap_code | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
cda-0016764 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a19⟩ ⟨w10⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w14⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a19⟩ ⟨w10⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨w14⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE MESSAGE WAS HIDDEN BUT NOT SECURE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF TOMORROW | babington | babington | null | {} | hard | en | 182 | 182 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
enigma-v2-1142 | OHCLMTFCBWOWQQMVXP | OHCLMTFCBWOWQQMVXP | ENEMY RETREATS NORTH | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ZZA"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0363 | 5563 4614 4427 4154 5397 5563 5060 4489 5814 4154 5397 4680 5488 5060 4489 5741 4680 5563 4154 4871 4680 4934 5166 5060 5397 5563 4154 4998 4298 4427 5563 5060 5563 4614 4427 5488 5563 4154 5563 4427 4680 5563 4680 5488 4154 4934 4154 5563 5563 4427 5397 5060 4489 4871 4680 4489 4427 4154 4998 4361 4361 4427 4154 5563 ... | 5563 4614 4427 4154 5397 5563 5060 4489 5814 4154 5397 4680 5488 5060 4489 5741 4680 5563 4154 4871 4680 4934 5166 5060 5397 5563 4154 4998 4298 4427 5563 5060 5563 4614 4427 5488 5563 4154 5563 4427 4680 5563 4680 5488 4154 4934 4154 5563 5563 4427 5397 5060 4489 4871 4680 4489 4427 4154 4998 4361 4361 4427 4154 5563 ... | 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 | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 592 | 739 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0529 | FDXAAXAXAFAGGGAGGDAADAXGAGGAXXGAXGGAAXDDXAXDGGAXGGDXXGDFGAGDDGGAAXXXGXDXAXDXXXXGDDFGDXXGGGAXGAXAAXADFGFDXGAAGGAFGDADGGADAAFAFADFGDAGAXGGGAXXGGXA | FDXAAXAXAFAGGGAGGDAADAXGAGGAXXGAXGGAAXDDXAXDGGAXGGDXXGDFGAGDDGGAAXXXGXDXAXDXXXXGDDFGDXXGGGAXGAXAAXADFGFDXGAAGGAFGDADGGADAAFAFADFGDAGAXGGGAXXGGXA | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
typex-022 | ULIFCSANCJTBCGGXAC | ULIFCSANCJTBCGGXAC | AWAIT FURTHER ORDERS | typex | typex | machine | {
"type": "keyword",
"value": "TYPEX"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0863 | XNSBKDGJKNLNLMDUZLAOP | XNSBKDGJKNLNLMDUZLAOP | SONS OF LIBERTY ASSEMBLE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0737 | QBEXWRYDKIYQVPGPXILJFUQNEEHUAPHBATHOHURYXRYGIJDTTQWEQYSHPFSDILYIEARCMTQJEKQEUSBUUIPQRFTAYEFOHHSHKHGXRIDZWPJYDYCYEMVMXCFMJUJYCXODKUMLGNPHANAGROE | QBEXWRYDKIYQVPGPXILJFUQNEEHUAPHBATHOHURYXRYGIJDTTQWEQYSHPFSDILYIEARCMTQJEKQEUSBUUIPQRFTAYEFOHHSHKHGXRIDZWPJYDYCYEMVMXCFMJUJYCXODKUMLGNPHANAGROE | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
cda-0017558 | 15.27.15 14.18.9 6.26.4 3.39.2 9.26.1 10.14.1 19.37.11 19.3.3 11.9.4 1.14.14 20.10.7 15.10.8 8.33.6 4.32.5 7.24.12 17.20.1 3.38.11 9.3.13 19.41.8 1.39.14 11.10.2 2.19.5 8.39.2 9.3.7 5.50.8 4.43.8 3.29.4 3.42.9 16.28.13 20.46.3 13.44.3 2.50.1 18.15.9 4.25.13 5.33.9 13.45.9 5.32.5 3.44.14 4.21.6 12.41.13 17.31.3 7.47.2 6... | 15.27.15 14.18.9 6.26.4 3.39.2 9.26.1 10.14.1 19.37.11 19.3.3 11.9.4 1.14.14 20.10.7 15.10.8 8.33.6 4.32.5 7.24.12 17.20.1 3.38.11 9.3.13 19.41.8 1.39.14 11.10.2 2.19.5 8.39.2 9.3.7 5.50.8 4.43.8 3.29.4 3.42.9 16.28.13 20.46.3 13.44.3 2.50.1 18.15.9 4.25.13 5.33.9 13.45.9 5.32.5 3.44.14 4.21.6 12.41.13 17.31.3 7.47.2 6... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | book_cipher | book_cipher | null | {} | hard | en | 199 | 199 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
caesar-v2-1351 | JXU IUSHUJ BYUI RKHYUT RUDUQJX JXU JXYHT VBQWIJEDU EV JXU EBT SXKHSX SEKHJOQHT QJ TQMD JECEHHEM | JXU IUSHUJ BYUI RKHYUT RUDUQJX JXU JXYHT VBQWIJEDU EV JXU EBT SXKHSX SEKHJOQHT QJ TQMD JECEHHEM | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | caesar | caesar | substitution | {
"type": "shift",
"value": 16
} | beginner | en | 80 | 95 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0010 | SSVOUVMEDYERRLZI | SSVOUVMEDYERRLZI | PER ASPERA AD ASTRA | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0043 | NDLPTWDTDVJDDAUHVJCDTTDHVN | NDLPTWDTDVJDDAUHVJCDTTDHVN | MESSAGE RECEIVED CLEARLY | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
rail-fence-263 | TEHDAESDKIIGN | TEHDAESDKIIGN | THE KING IS DEAD | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
red-type-a-v2-0374 | FUQEQYVIGURLPEKKMOWHYLIFSIMOFOEJPEUJRACIWCFYNQOPEZEOBIETMBUTOLNYFOODEQBOEQQCILIBWUFNNOEYABKCAVIYPWAIWYSNVEVPUBDYERMEYNUGWYMAROWELYNEOFDUFPYQKYIVENMWIRF | FUQEQYVIGURLPEKKMOWHYLIFSIMOFOEJPEUJRACIWCFYNQOPEZEOBIETMBUTOLNYFOODEQBOEQQCILIBWUFNNOEYABKCAVIYPWAIWYSNVEVPUBDYERMEYNUGWYMAROWELYNEOFDUFPYQKYIVENMWIRF | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
cda-0008511 | PTRENOTYEWONIODTTCSVRUBUEIRBEOBTXXHFNRRYGSCLITCNPOFOUEXXNSTRKTMAUCIRROIEECCCXXRAOQNODEENFDFENBUNTYXXPIFEYIRUERASLNSLNUOTXXINSCENEDES | PTRENOTYEWONIODTTCSVRUBUEIRBEOBTXXHFNRRYGSCLITCNPOFOUEXXNSTRKTMAUCIRROIEECCCXXRAOQNODEENFDFENBUNTYXXPIFEYIRUERASLNSLNUOTXXINSCENEDES | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | stager_route | stager_route | null | {
"cols": 12
} | hard | en | 132 | 132 | synthetic_educational | null | null | [] | |
rail-fence-it-028 | RMCPTUDOAAUMNI | RMCPTUDOAAUMNI | ROMA CAPUT MUNDI | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 2
} | intermediate | it | 14 | 14 | cipher_museum | 0.2 | public | null | null |
m94-v2-0060 | YGXYWXRCZLNSLSWQKQQIXYQLVLHKTGFJPNIJWPWKJKVNDKBUPHQKXJCSGWTMNSLICEQMF | YGXYWXRCZLNSLSWQKQQIXYQLVLHKTGFJPNIJWPWKJKVNDKBUPHQKXJCSGWTMNSLICEQMF | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
typex-v3-0047 | YHOTYWZFFPTOGDQNWLRHVWIETHOCCOELIKLIDQVVHOOCYDKLESTYOKXOCJFPTQPBTVKGMEKVREWYVDJLIXEZDLQY | YHOTYWZFFPTOGDQNWLRHVWIETHOCCOELIKLIDQVVHOOCYDKLESTYOKXOCJFPTQPBTVKGMEKVREWYVDJLIXEZDLQY | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0016434 | WOL-LA-CHEE / DIBEH-YAZZIE / WOL-LA-CHEE / TSAH / THAN-ZIE / NO-DA-IH / GAH / TKIN / TSAH / AH-JAH / SHUSH / GAH / A-KHA / KLIZZIE / DZEH / DZEH / TSAH / TKIN / AH-JAH / NA-AS-TSO-SI / WOL-LA-CHEE / GLOE-IH / TKIN / THAN-ZIE /... | WOL-LA-CHEE / DIBEH-YAZZIE / WOL-LA-CHEE / TSAH / THAN-ZIE / NO-DA-IH / GAH / TKIN / TSAH / AH-JAH / SHUSH / GAH / A-KHA / KLIZZIE / DZEH / DZEH / TSAH / TKIN / AH-JAH / NA-AS-TSO-SI / WOL-LA-CHEE / GLOE-IH / TKIN / THAN-ZIE /... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE BEST LESSONS SHOW WHERE THE METHOD FAILS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | navajo_code | navajo_code | null | {} | hard | en | 214 | 214 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
cda-0005647 | EEBF HKPX RTYO NALI ORUT GSIE LRRL RLMF NEEE ATWX ESRX UDVX YYMO EHCC | EEBF HKPX RTYO NALI ORUT GSIE LRRL RLMF NEEE ATWX ESRX UDVX YYMO EHCC | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY CAREFULLY | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "FREEDOM"
} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
caesar-vh-0050 | PDA HKNZ UKQN CKZ SEHH XA SEPD UKQ SDANARAN UKQ CK OK ZK JKP BAWN KN XA ZEOIWUAZ IU YDEHZ | PDA HKNZ UKQN CKZ SEHH XA SEPD UKQ SDANARAN UKQ CK OK ZK JKP BAWN KN XA ZEOIWUAZ IU YDEHZ | THE LORD YOUR GOD WILL BE WITH YOU WHEREVER YOU GO SO DO NOT FEAR OR BE DISMAYED MY CHILD | caesar | caesar | substitution | {
"type": "shift",
"value": 22
} | beginner | en | 70 | 89 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-111 | PHDKZMDSAPGGUTETTYZBWKPURRFBVEXHIDDHWOIHVDJTXTHOREKHHWWUATEE | PHDKZMDSAPGGUTETTYZBWKPURRFBVEXHIDDHWOIHVDJTXTHOREKHHWWUATEE | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
red-type-a-v3-0321 | VURWEBYSQOHYODAG | VURWEBYSQOHYODAG | RENDER UNTO CAESAR | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0019543 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w08⟩ ⟨w22⟩ ⟨w32⟩ ⟨w22⟩ ⟨w38⟩ ⟨w32⟩ ⟨w20⟩ ⟨a37⟩ ⟨w08⟩ ⟨w04⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨w04⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w08⟩ ⟨w22⟩ ⟨w32⟩ ⟨w22⟩ ⟨w38⟩ ⟨w32⟩ ⟨w20⟩ ⟨a37⟩ ⟨w08⟩ ⟨w04⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨w04⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS A STRONG CLAIM NEEDS STRONG EVIDENCE | babington | babington | null | {} | hard | en | 193 | 193 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
diana-v3-0436 | ZDTBYXYTGAEA | ZDTBYXYTGAEA | GOLD FROM LEAD | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
typex-v2-0209 | ONKVYXABTLCNFRTBDBAMXROTFWSDFCMODWXYESUWHFGRZDBWKTKBNPSTHLHYOJPKVMGLLTVWXLKTOBR | ONKVYXABTLCNFRTBDBAMXROTFWSDFCMODWXYESUWHFGRZDBWKTKBNPSTHLHYOJPKVMGLLTVWXLKTOBR | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0017800 | 11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33 15 51 15 42 54 43 54 43 44 15 32 33 15 15 14 43 11 33 23 34 33... | 11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33 15 51 15 42 54 43 54 43 44 15 32 33 15 15 14 43 11 33 23 34 33... | A STRONG CLAIM NEEDS STRONG EVIDENCE TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | polybius | polybius | null | {} | hard | en | 121 | 121 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
adfgvx-200 | DFAFFAAFXADXDXVFADGGGXAVFAVFFGFDGG | DFAFFAAFXADXDXVFADGGGXAVFAVFFGFDGG | CRYPTOGRAPHY RULES | adfgvx | adfgvx | fractionation | {
"polybius": "ENIGMA",
"columnar": "CRYPTO"
} | advanced | en | 34 | 34 | cipher_museum | 0.2 | public | null | null |
fialka-v2-0377 | OISYQQVQWAOSDZRSZGNSCJSEFTFMSHVPKRKTCCQTHDURWAIMYOBRJGWEDHQUYQZFEJXISKCJJHSYTOFOVZUBOVRZEYEBHNWDBWHCLZSMQJYCVPJDDMVDVVFQMPYCOMAORFWDSERMPIXZSZWZWAGIZLIJSNJMFWSYMMSYWYXNXXFU | OISYQQVQWAOSDZRSZGNSCJSEFTFMSHVPKRKTCCQTHDURWAIMYOBRJGWEDHQUYQZFEJXISKCJJHSYTOFOVZUBOVRZEYEBHNWDBWHCLZSMQJYCVPJDDMVDVVFQMPYCOMAORFWDSERMPIXZSZWZWAGIZLIJSNJMFWSYMMSYWYXNXXFU | 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 | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
cda-0013642 | 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 | 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
double-transposition-221 | KTOUNYDNCSAROAHYANUATDONYHATCWCWBRYOUTOFROOOUTU | KTOUNYDNCSAROAHYANUATDONYHATCWCWBRYOUTOFROOOUTU | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | double_transposition | double_transposition | transposition | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
atbash-la-005 | XZIKV WRVN JFZN NRMRNFN XIVWFOZ KLHGVIL | XZIKV WRVN JFZN NRMRNFN XIVWFOZ KLHGVIL | CARPE DIEM QUAM MINIMUM CREDULA POSTERO | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | la | 34 | 39 | cipher_museum | 0.2 | public | null | null |
cda-0012179 | 20.29.7 2.6.3 11.39.11 4.12.11 16.46.7 17.43.5 15.28.7 18.11.7 9.45.4 11.10.1 3.41.1 7.14.8 2.3.5 8.26.8 10.12.8 1.39.12 13.33.14 4.47.15 19.49.6 5.11.8 14.35.13 10.38.1 9.21.12 20.16.10 1.11.3 8.3.9 18.29.11 11.14.11 6.35.4 5.12.10 8.39.3 18.15.5 3.30.3 13.20.9 7.30.6 19.34.6 7.50.3 9.5.9 20.25.8 9.29.3 9.18.10 18.9.2... | 20.29.7 2.6.3 11.39.11 4.12.11 16.46.7 17.43.5 15.28.7 18.11.7 9.45.4 11.10.1 3.41.1 7.14.8 2.3.5 8.26.8 10.12.8 1.39.12 13.33.14 4.47.15 19.49.6 5.11.8 14.35.13 10.38.1 9.21.12 20.16.10 1.11.3 8.3.9 18.29.11 11.14.11 6.35.4 5.12.10 8.39.3 18.15.5 3.30.3 13.20.9 7.30.6 19.34.6 7.50.3 9.5.9 20.25.8 9.29.3 9.18.10 18.9.2... | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | book_cipher | book_cipher | null | {} | medium | en | 47 | 47 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0006433 | SAGEB CLZRO FHESF HAQRE GOVAG LWAOQ WFGEV PHGWB AQORF OEFNN SGSQG NSNYC UOPSG PLGVE SRCBF WGNBA FQBAB GQBAT HFRBP SHFQN GWBAJ NGVSA QELCG WBA | SAGEB CLZRO FHESF HAQRE GOVAG LWAOQ WFGEV PHGWB AQORF OEFNN SGSQG NSNYC UOPSG PLGVE SRCBF WGNBA FQBAB GQBAT HFRBP SHFQN GWBAJ NGVSA QELCG WBA | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | porta | porta | null | {
"key": "PATTERN"
} | hard | en | 118 | 118 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
adfgx-v2-0180 | AXGXXADGAXDADDAAAFGFGGDAGAXFFXDADDFAGXXAAADDADGAFADGAGFGGADFAGDFDGDFDDADFGXFFXFAXADAFFXXAGXDDFDGAXGADGFGGFXGDDFDFFGGDDAAXAGDAAXAGDAFAAFFAAGFFDAGGADX | AXGXXADGAXDADDAAAFGFGGDAGAXFFXDADDFAGXXAAADDADGAFADGAGFGGADFAGDFDGDFDDADFGXFFXFAXADAFFXXAGXDDFDGAXGADGFGGFXGDDFDFFGGDDAAXAGDAAXAGDAFAAFFAAGFFDAGGADX | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
beaufort-fr-020 | RIKQEEAELPLXPEYDPXBXHRKNUVMZJJKAOWA | RIKQEEAELPLXPEYDPXBXHRKNUVMZJJKAOWA | LA FRANCE EST UNE REPUBLIQUE INDIVISIBLE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | fr | 35 | 35 | cipher_museum | 0.2 | public | null | null |
cda-0007121 | KZKLL PZFHP WXFGK WWJPF QKJPZ FKGLC ZHEPB ZEBFK HXJFE EFGQC YQEPE CEPBZ HPWXF GQAKW FKHXJ FEEFG EBKTP LLFGF ZEJFE EFGEX FKGHX PEFHE CGFQX BCJTA KMFAP QCQFX KGTFG BWFZQ BCGHF EBBJQ KJJBI PZTFW FZTFZ ERFGP LPHKE PBZ | KZKLL PZFHP WXFGK WWJPF QKJPZ FKGLC ZHEPB ZEBFK HXJFE EFGQC YQEPE CEPBZ HPWXF GQAKW FKHXJ FEEFG EBKTP LLFGF ZEJFE EFGEX FKGHX PEFHE CGFQX BCJTA KMFAP QCQFX KGTFG BWFZQ BCGHF EBBJQ KJJBI PZTFW FZTFZ ERFGP LPHKE PBZ | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | monoalphabetic | monoalphabetic | null | {
"alphabet": "KYHTFLSXPUMJAZBWVGQECRIDON"
} | hard | en | 178 | 178 | synthetic_educational | null | null | [] | |
porta-v3-0387 | JWXNAFHLXHAUXENKGDXLWQWNODUVUXDDDZFWXDOJUNODAVBPINTKFKKHLKFTVMHXOVEXHTVXDP | JWXNAFHLXHAUXENKGDXLWQWNODUVUXDDDZFWXDOJUNODAVBPINTKFKKHLKFTVMHXOVEXHTVXDP | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0135 | ZGMW7WTDJFVCLYZ2FIQY4 | ZGMW7WTDJFVCLYZ2FIQY4 | SONS OF LIBERTY ASSEMBLE | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0013 | 26198 26199 26180 26104 26199 26187 26184 26182 26194 26100 26197 26198 26184 | 26198 26199 26180 26104 26199 26187 26184 26182 26194 26100 26197 26198 26184 | STAY THE COURSE | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 65 | 77 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0354 | HDVIZWYEDWIEAUMCHTEKTVISPTOSVHXSKUMOVQGBRDCTVDHUTOYYGMOPIQKTSQBMREMUGDDLDL | HDVIZWYEDWIEAUMCHTEKTVISPTOSVHXSKUMOVQGBRDCTVDHUTOYYGMOPIQKTSQBMREMUGDDLDL | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
typex-197 | WYXQUZXXDIAGYEB | WYXQUZXXDIAGYEB | MEET AT THE OLD OAK | typex | typex | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v3-0231 | NUII SDEI DCODG | NUII SDEI DCODG | FULL SAIL AHEAD | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "DRAGON"
} | beginner | en | 13 | 15 | cipher_museum | 2.0 | public | null | null |
diana-v2-0313 | FWHGXSMQDICSSLDXQBHAXLCELBYLGFRVVVEZHAXLCELBYLGQFBOOZEOQDILECOTCRPFDVCGA | FWHGXSMQDICSSLDXQBHAXLCELBYLGFRVVVEZHAXLCELBYLGQFBOOZEOQDILECOTCRPFDVCGA | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
typex-171 | DSEHDOGILKYSYRNWVUSVTZDNTEQJNHXMNXJONTMMPWFUNQDSQILELFHAJKDF | DSEHDOGILKYSYRNWVUSVTZDNTEQJNHXMNXJONTMMPWFUNQDSQILELFHAJKDF | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | typex | typex | machine | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0021043 | 807 801 813 855 800 852 999 854 823 825 815 858 814 809 999 859 823 812 999 801 833 847 823 802 805 812 858 999 803 872 999 859 821 852 814 813 999 845 844 856 825 859 825 843 840 854 999 808 844 835 862 838 839 800 852 999 857 851 801 841 854 846 844 855 824 858 824 844 840 999 851 813 800 809 855 999 806 842 835 860 ... | 807 801 813 855 800 852 999 854 823 825 815 858 814 809 999 859 823 812 999 801 833 847 823 802 805 812 858 999 803 872 999 859 821 852 814 813 999 845 844 856 825 859 825 843 840 854 999 808 844 835 862 838 839 800 852 999 857 851 801 841 854 846 844 855 824 858 824 844 840 999 851 813 800 809 855 999 806 842 835 860 ... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | culper_ring | culper_ring | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
red-type-a-v2-0442 | GGOVVYSQFOJOGBKATPITHSXYXEZOUZGYRWROASLUDYFSOHZAWOIMFOGPONCHUJTARZALAVMTIUD | GGOVVYSQFOJOGBKATPITHSXYXEZOUZGYRWROASLUDYFSOHZAWOIMFOGPONCHUJTARZALAVMTIUD | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0014490 | FDPQFARVKXIAKYARBHVRIIIIVFQHNJVHMFONZCOSSBNKHGFSODBPIXTWSURTHBZSDXMMLJPOJMFGTWWUEPFNLKJLJQEZZNYWIHMMNMRQCVYQMZPJUWXECWGZWKILZCQXGSLNTEZBNXXPEHTLPTMJRHZPRDEJZLUBLEQERZZBLAUWEFYOHWPNOCRFIHQTZG | FDPQFARVKXIAKYARBHVRIIIIVFQHNJVHMFONZCOSSBNKHGFSODBPIXTWSURTHBZSDXMMLJPOJMFGTWWUEPFNLKJLJQEZZNYWIHMMNMRQCVYQMZPJUWXECWGZWKILZCQXGSLNTEZBNXXPEHTLPTMJRHZPRDEJZLUBLEQERZZBLAUWEFYOHWPNOCRFIHQTZG | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | one_time_pad | one_time_pad | null | {} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
lorenz-v2-0469 | KNOWSHYSELF | KNOWSHYSELF | KNOW THYSELF | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
cda-0009872 | AOCIJ NTLKR ZSQEO EFCAX MVHFL DASHX RHZPW WDZQN QWBVL MYMLR ZKIDK QJWGZ BAENF HFTTV KXLQA PAZRF HXPIK ZQPXE TRFPY CXXHX AZGOH FTZVN ZLACO IFVBP PZYSU BLXRS ESP | AOCIJ NTLKR ZSQEO EFCAX MVHFL DASHX RHZPW WDZQN QWBVL MYMLR ZKIDK QJWGZ BAENF HFTTV KXLQA PAZRF HXPIK ZQPXE TRFPY CXXHX AZGOH FTZVN ZLACO IFVBP PZYSU BLXRS ESP | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | trithemius | trithemius | null | {} | hard | en | 133 | 133 | synthetic_educational | null | null | [] | |
rot13-de-020 | NEORVG ZNPUG SERV | NEORVG ZNPUG SERV | ARBEIT MACHT FREI | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | de | 15 | 17 | cipher_museum | 0.2 | public | null | null |
adfgx-v3-0376 | DDAADXDAFGDGAGXAGAAFFFFXDDFAAFFGAAFXAGFFADGAAGADFAAAAAFGFAADAGDFDDFAGAGGXGDAXAFDFADDXFDGDFGAXAFFAGXFXFXFXGGFAGAFGGGXAGXGAGXXFAFFGAFFDFAGAAXAXAFFFGADDXAFGDGADAGAFFFFDAGDDFAFADAAADADGFAADDDAXAGGGGGFFFGAAGGXXAGFGFADDGDDXGGGGFGFGAGGAGGGAAGFAGAGADFAFDAGFGFAFGFAAGAFDFAGGFGGFAFDFXGXAGAGGGXAAAAGFDDGXAGFADAGFGGFADFXDAFAFGDDDG | DDAADXDAFGDGAGXAGAAFFFFXDDFAAFFGAAFXAGFFADGAAGADFAAAAAFGFAADAGDFDDFAGAGGXGDAXAFDFADDXFDGDFGAXAFFAGXFXFXFXGGFAGAFGGGXAGXGAGXXFAFFGAFFDFAGAAXAXAFFFGADDXAFGDGADAGAFFFFDAGDDFAFADAAADADGFAADDDAXAGGGGGFFFGAAGGXXAGFGFADDGDDXGGGGFGFGAGGAGGGAAGFAGAGADFAFDAGFGFAFGFAAGAFDFAGGFGGFAFDFXGXAGAGGGXAAAAGFDDGXAGFADAGFGGFADFXDAFAFGDDDG | 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 | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 318 | 318 | cipher_museum | 2.0 | public | null | null |
cda-0010118 | BCRA FBHE PRGB BYFN YYBJ VAQR CRAQ RAGI REVS VPNG VBAG UROR FGYR FFBA FFUB JJUR ERGU RZRG UBQS NVYF GENA FCBF VGVB APVC UREF ERNE ENAT RYRG GREF JVGU BHGF HOFG VGHG VBAB OFRE INOY RRIV QRAP RPBZ RFOR SBER PBAS VQRA PR | BCRA FBHE PRGB BYFN YYBJ VAQR CRAQ RAGI REVS VPNG VBAG UROR FGYR FFBA FFUB JJUR ERGU RZRG UBQS NVYF GENA FCBF VGVB APVC UREF ERNE ENAT RYRG GREF JVGU BHGF HOFG VGHG VBAB OFRE INOY RRIV QRAP RPBZ RFOR SBER PBAS VQRA PR | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE BEST LESSONS SHOW WHERE THE METHOD FAILS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 174 | 174 | synthetic_educational | null | null | [] | |
alberti-disk-v2-0008 | EREIYLVMOFDNNKPMZS | EREIYLVMOFDNNKPMZS | ENEMY RETREATS NORTH | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 4
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0158 | LFUJVQRGMPRRHIVUGAPARSTVKOBKTXFAXTPPMLIPRJPHAOPQRRFPHJQBHJWMRKBBWMRJVWMPRRHIQXSTAD | LFUJVQRGMPRRHIVUGAPARSTVKOBKTXFAXTPPMLIPRJPHAOPQRRFPHJQBHJWMRKBBWMRJVWMPRRHIQXSTAD | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0294 | VZTGLIAEERECYLLVUUZODQBGDSARXFRHDHWQPHBIPPOSGIL | VZTGLIAEERECYLLVUUZODQBGDSARXFRHDHWQPHBIPPOSGIL | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 47 | 47 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0107 | WFAQAWSFBHUVCTEBVBBRHDY | WFAQAWSFBHUVCTEBVBBRHDY | ROME WAS NOT BUILT IN ONE DAY | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0356 | LASEEELHLQTFEMRED | LASEEELHLQTFEMRED | THE RAILWAY ARRIVES | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0528 | WIKLSSZODNSHDSWAQPQDSTWATOXEDNCLMGITYLNFGSQDDAWFSMTUFDLSRENKSHSLDNCLHX | WIKLSSZODNSHDSWAQPQDSTWATOXEDNCLMGITYLNFGSQDDAWFSMTUFDLSRENKSHSLDNCLHX | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
porta-145 | JXZZLYNXEOMUZTM | JXZZLYNXEOMUZTM | SILENCE IS GOLDEN | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
diana-v3-0583 | VHPQIELCQSIXUAGPECGYMYUFQEZQWPKYEPQSISGFEDFUQMEKWWBLPCLAJBOBPKAJTECVYWWZSBAOR | VHPQIELCQSIXUAGPECGYMYUFQEZQWPKYEPQSISGFEDFUQMEKWWBLPCLAJBOBPKAJTECVYWWZSBAOR | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0436 | 97 46 59 55 24 96 47 79 55 45 97 38 79 66 37 85 25 50 65 25 76 56 59 33 57 76 29 79 45 55 103 38 46 44 36 96 59 49 36 36 97 38 48 62 45 63 38 80 53 36 86 38 56 56 36 63 45 80 53 26 77 26 87 54 43 76 25 59 34 36 75 47 77 53 36 65 48 59 42 | 97 46 59 55 24 96 47 79 55 45 97 38 79 66 37 85 25 50 65 25 76 56 59 33 57 76 29 79 45 55 103 38 46 44 36 96 59 49 36 36 97 38 48 62 45 63 38 80 53 36 86 38 56 56 36 63 45 80 53 26 77 26 87 54 43 76 25 59 34 36 75 47 77 53 36 65 48 59 42 | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 159 | 237 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0252 | KALVRITHWYYRIZDZW | KALVRITHWYYRIZDZW | THE RAILWAY ARRIVES | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
affine-v2-0014 | WYLZZ AOL HAAHJR | WYLZZ AOL HAAHJR | PRESS THE ATTACK | affine | affine | substitution | {
"a": 1,
"b": 7
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0317 | VUUSAFLTDUGBJJNWRDCJUXYXDHISJECZLXRCCUNLJCMKVWBVQDRSKVHQHLBCJPPUEQQMYZCXSD | VUUSAFLTDUGBJJNWRDCJUXYXDHISJECZLXRCCUNLJCMKVWBVQDRSKVHQHLBCJPPUEQQMYZCXSD | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0058 | DFGGVXADDDFDGAAGDAAXVXGXDGADFAFDGGAAGFGGFAGVFAFFAGVFAADDAFDADGVFGAADDXGAXXADVGDFGFGGDDAFDGDDAAFVFFDDGGAFDAGFAGGGGGFFAGDAGDDGVDFVGVDAXVDAFDFFGVADVFVG | DFGGVXADDDFDGAAGDAAXVXGXDGADFAFDGGAAGFGGFAGVFAFFAGVFAADDAFDADGVFGAADDXGAXXADVGDFGFGGDDAFDGDDAAFVFFDDGGAFDAGFAGGGGGFFAGDAGDDGVDFVGVDAXVDAFDFFGVADVFVG | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
running-key-079 | GCQVMJBBXKGUEOUH | GCQVMJBBXKGUEOUH | NO PRISONERS TAKEN | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Shakespeare paraphrase"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
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