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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
beaufort-v2-0973 | JHIXWQBYVBHWARIXELXROPKMWTZLYVFHJPNROGXHEFYAHWTOERLKIGBQVMYVJZUCXJPHPSGBTBOEBLAQ | JHIXWQBYVBHWARIXELXROPKMWTZLYVFHJPNROGXHEFYAHWTOERLKIGBQVMYVJZUCXJPHPSGBTBOEBLAQ | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "COMPASS"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0043 | RYEEECIMCGLSLDEASVREEA | RYEEECIMCGLSLDEASVREEA | MESSAGE RECEIVED CLEARLY | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
porta-v3-0521 | MUYBMUPSRZUFLCJRRG | MUYBMUPSRZUFLCJRRG | THE ORACLE HAS SPOKEN | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PAPAL"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
hill-v2-0512 | FVCQDDXZRCFRDXXJWV | FVCQDDXZRCFRDXXJWV | ENEMY RETREATS NORTH | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-091 | DLOVSKAOLZLAYBAOZAVILZLSMLCPKLUAAOHAHSSTLUHYLJYLHALKLXBHS | DLOVSKAOLZLAYBAOZAVILZLSMLCPKLUAAOHAHSSTLUHYLJYLHALKLXBHS | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "CIPHER"
} | beginner | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
cda-0013213 | 19.28.5 20.33.5 1.9.3 6.2.10 10.9.2 1.22.10 1.15.10 4.7.6 15.4.2 5.1.9 13.15.10 10.29.6 15.26.14 5.5.2 9.42.13 9.7.12 7.6.14 10.31.1 11.40.9 4.35.14 20.15.15 10.22.4 19.43.5 6.19.9 20.33.14 7.14.4 2.3.7 4.43.2 5.8.7 11.40.14 5.20.6 3.15.9 8.36.14 8.9.8 16.29.6 19.37.6 4.49.14 19.30.9 4.49.12 14.18.14 9.29.13 20.38.5 19... | 19.28.5 20.33.5 1.9.3 6.2.10 10.9.2 1.22.10 1.15.10 4.7.6 15.4.2 5.1.9 13.15.10 10.29.6 15.26.14 5.5.2 9.42.13 9.7.12 7.6.14 10.31.1 11.40.9 4.35.14 20.15.15 10.22.4 19.43.5 6.19.9 20.33.14 7.14.4 2.3.7 4.43.2 5.8.7 11.40.14 5.20.6 3.15.9 8.36.14 8.9.8 16.29.6 19.37.6 4.49.14 19.30.9 4.49.12 14.18.14 9.29.13 20.38.5 19... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | book_cipher | book_cipher | null | {} | hard | en | 93 | 93 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
sigaba-059 | DSBVKSVJUXXCXXUGGLNZZWRXQGMFXLIJSQMOIXUAIDBJVXYOVOTXASYDDQNZDXRNVYHJERFNLEMYLXJDTLIXHXCVUJFHMMYAMGCOMISTHSGLDKGITPJUZMHJSVQKNQKYSOMWEBMWIQTVMRMFDKBO | DSBVKSVJUXXCXXUGGLNZZWRXQGMFXLIJSQMOIXUAIDBJVXYOVOTXASYDDQNZDXRNVYHJERFNLEMYLXJDTLIXHXCVUJFHMMYAMGCOMISTHSGLDKGITPJUZMHJSVQKNQKYSOMWEBMWIQTVMRMFDKBO | 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 | sigaba | sigaba | machine | {
"type": "seed",
"value": "SIGABA"
} | expert | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
enigma-v2-0414 | UTIXMMWBYSFOLP | UTIXMMWBYSFOLP | LIBERTY OR DEATH | enigma | enigma | machine | {
"type": "rotor_start",
"value": "JKL"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-233 | GMVCIJRDKGUSUMIMVACLECBJXVVYQMPLTRJGIPWHYCNBCKGXMYITDTFPZDGK | GMVCIJRDKGUSUMIMVACLECBJXVVYQMPLTRJGIPWHYCNBCKGXMYITDTFPZDGK | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
fialka-v2-0349 | LALXYGXBDOUMDELDNFUDDGENYUHVTBVSFHCTCZXCGMZHCGAMGOMRAURUCSLDWZMBUBDTODFPKGLVXAPYPAMJ | LALXYGXBDOUMDELDNFUDDGENYUHVTBVSFHCTCZXCGMZHCGAMGOMRAURUCSLDWZMBUBDTODFPKGLVXAPYPAMJ | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
vic-v2-0086 | 4248691928983868248678218971863802608548659283291910805185580911491914684910808280898548680868382854683870808985460838680 | 4248691928983868248678218971863802608548659283291910805185580911491914684910808280898548680868382854683870808985460838680 | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 121 | 121 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0106 | VRPAKGMRAPACVRPAKGMRPLFKGNKUCBPFDSNBFPGLFNBTQCUCBPFDSNBFPUCBPIVTTQKCHOFMCYYUVWUXHOFMCYYUXGBTRZRKXWMIUQTZIXFGBTZNHYKXWMIUQTZVMKXWMUEFWHRW | VRPAKGMRAPACVRPAKGMRPLFKGNKUCBPFDSNBFPGLFNBTQCUCBPFDSNBFPUCBPIVTTQKCHOFMCYYUVWUXHOFMCYYUXGBTRZRKXWMIUQTZIXFGBTZNHYKXWMIUQTZVMKXWMUEFWHRW | WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0065 | QKIVLWITTBPQVOABPZWCOPKPZQABEPQKPABZMVOBPMVMBPUMQVMDMZGBZQITIVLBZQJCTIBQWV | QKIVLWITTBPQVOABPZWCOPKPZQABEPQKPABZMVOBPMVMBPUMQVMDMZGBZQITIVLBZQJCTIBQWV | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
red-type-a-121 | ESDIQJONPYGS | ESDIQJONPYGS | ATTACK AT DAWN | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
wheatstone-v3-0070 | PTDYDRJKJYIQRGHYOQRDROLJKRTQQHRHRTURIOTIGLJIAYNFRGQHTQQHRRTNQHJNEYQOQHROSI | PTDYDRJKJYIQRGHYOQRDROLJKRTQQHRHRTURIOTIGLJIAYNFRGQHTQQHRRTNQHJNEYQOQHROSI | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-033 | MWYZWISYPMAXODVNRPVTNLLEYIFAJQTNECLZ | MWYZWISYPMAXODVNRPVTNLLEYIFAJQTNECLZ | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
purple-v3-0107 | BAATZTRBHRJWQLJMHLNPTBL | BAATZTRBHRJWQLJMHLNPTBL | ROME WAS NOT BUILT IN ONE DAY | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0168 | MGVWKAOMUPGANBGQOCTLHXHZHQHBDNCMZZDKWPXBVPLSLKE | MGVWKAOMUPGANBGQOCTLHXHZHQHBDNCMZZDKWPXBVPLSLKE | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 47 | 47 | cipher_museum | 2.0 | public | null | null |
morse-code-v2-0089 | - .... . / -... .- -... .. -. --. - --- -. / .--. .-.. --- - / - --- / .- ... ... .- ... ... .. -. .- - . / --.- ..- . . -. / . .-.. .. --.. .- -... . - .... / .-- .- ... / ..- -. -.-. --- ...- . .-. . -.. / -... -.-- / ..-. .-. .- -. -.-. .. ... / .-- .- .-.. ... .. -. --. .... .- -- / .. -. / - .. -- . | - .... . / -... .- -... .. -. --. - --- -. / .--. .-.. --- - / - --- / .- ... ... .- ... ... .. -. .- - . / --.- ..- . . -. / . .-.. .. --.. .- -... . - .... / .-- .- ... / ..- -. -.-. --- ...- . .-. . -.. / -... -.-- / ..-. .-. .- -. -.-. .. ... / .-- .- .-.. ... .. -. --. .... .- -- / .. -. / - .. -- . | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 213 | 305 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0065 | DYMMFRDOMILDLMEFEORIQRFPDZLHNXLZLLAPGALNDPDNPUSCUKEFCEECGLXAIUGOFHDPMJCYDUX | DYMMFRDOMILDLMEFEORIQRFPDZLHNXLZLLAPGALNDPDNPUSCUKEFCEECGLXAIUGOFHDPMJCYDUX | THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0670 | GAAAAAAGGAGDGADFFAAGDAFAGDXGAFFGFGDGGXFGXAXDXXGXFXXDAGAAAADDAADGFADAAGAFFGXADAAADDGGGXAXXXXXAGGXXGXDDAXFDAXGAXXGXDGFXGGXFGAFAAAXAFXXFAAGGFDAAAAAGGFAAXFFAFADFA | GAAAAAAGGAGDGADFFAAGDAFAGDXGAFFGFGDGGXFGXAXDXXGXFXXDAGAAAADDAADGFADAAGAFFGXADAAADDGGGXAXXXXXAGGXXGXDDAXFDAXGAXXGXDGFXGGXFGAFAAAXAFXXFAAGGFDAAAAAGGFAAXFFAFADFA | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 158 | 158 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0020 | SOYFMVGFPVMD | SOYFMVGFPVMD | GOLD FROM LEAD | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0007184 | FBWH YFXJ XLZX WVNL DIKI UWBI JCSU XJFE WNEP WEKO LKQZ YUFB AFAL OUAH VVCI PSEU UPWI RUTL TXTG YEST WMWY SRHV YQIK XRKE LXFI JLHK QASK HOHZ EFIC WQSG TYVH FXHE VNVV CWHK HJUA ZGEJ LEVB PESA VBVN PEEX JSVF LBKL OUAH VLFH EZL | FBWH YFXJ XLZX WVNL DIKI UWBI JCSU XJFE WNEP WEKO LKQZ YUFB AFAL OUAH VVCI PSEU UPWI RUTL TXTG YEST WMWY SRHV YQIK XRKE LXFI JLHK QASK HOHZ EFIC WQSG TYVH FXHE VNVV CWHK HJUA ZGEJ LEVB PESA VBVN PEEX JSVF LBKL OUAH VLFH EZL | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE MESSAGE WAS HIDDEN BUT NOT SECURE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION SLOWLY | autokey | autokey | null | {
"primer": "MUSEUM"
} | hard | en | 179 | 179 | synthetic_educational | null | null | [] | |
porta-v2-0390 | WXMBWMDPVTAOFNOBVTN | WXMBWMDPVTAOFNOBVTN | MISSION ACCOMPLISHED | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0018782 | L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ⌐ r r· └ L K K L ┌· K r· L K· Γ· ¬· L ─ L ┌· L r Γ· ┐· r· L ┌· X· X L X ⌐ ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· ⌒ ┘· ┌· Γ | L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ⌐ r r· └ L K K L ┌· K r· L K· Γ· ¬· L ─ L ┌· L r Γ· ┐· r· L ┌· X· X L X ⌐ ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· ⌒ ┘· ┌· Γ | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE VIGENERE CIPHER USES A REPEATING KEYWORD | pigpen | pigpen | null | {} | medium | en | 69 | 69 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0016589 | WUULAULDZYFHXXRFXAKQZVJIBCTHYHGXETEDRQPNZBFBPEZICRIDFIWAVQDLYWRTTAIREUZWRNILPHWVGMDDRKASRZLKVODSNPHHUULIVSSNTYXWYZGSNXXSLLTKMNTILQVSWKDZSRPQAABYNRPPJWGNMYFNPODRMRGDCGGHTXXWQXUD | WUULAULDZYFHXXRFXAKQZVJIBCTHYHGXETEDRQPNZBFBPEZICRIDFIWAVQDLYWRTTAIREUZWRNILPHWVGMDDRKASRZLKVODSNPHHUULIVSSNTYXWYZGSNXXSLLTKMNTILQVSWKDZSRPQAABYNRPPJWGNMYFNPODRMRGDCGGHTXXWQXUD | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE INDEX OF COINCIDENCE IS A USEFUL CLUE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | one_time_pad | one_time_pad | null | {} | hard | en | 176 | 176 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
diana-v3-0003 | AMBCIRZNZNDXJPUYRDEWKGG | AMBCIRZNZNDXJPUYRDEWKGG | ROME WAS NOT BUILT IN ONE DAY | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0271 | ZVEHRRRVRDOLGXKJOCNMWOFBUGHGYFVYIQCERIIHLPVMCUHQJRTJLKJMNMLWZJIAUSJGWMNWOJVSV | ZVEHRRRVRDOLGXKJOCNMWOFBUGHGYFVYIQCERIIHLPVMCUHQJRTJLKJMNMLWZJIAUSJGWMNWOJVSV | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0184 | FIPMQGAQZZUIBNOUKTTVPRXGHRTMFYPBCCKFHPAAEDFMEZHGGKBXFLRPYKUJFLVEYWRJOBZBKZRRUUUPTY | FIPMQGAQZZUIBNOUKTTVPRXGHRTMFYPBCCKFHPAAEDFMEZHGGKBXFLRPYKUJFLVEYWRJOBZBKZRRUUUPTY | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0007819 | PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT | PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 45 | 45 | synthetic_educational | null | null | [] | |
hill-v3-0138 | RXTABEJGJRQODKYXRJ | RXTABEJGJRQODKYXRJ | OLD IRONSIDES HOLDS | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
typex-v2-0196 | CMVBZQOBURNVOJLPTKDYCRGWUQMGQKUHBKOWNPTYULUEGZIMPPCCCQLWNUYNJVPSRKQUDBF | CMVBZQOBURNVOJLPTKDYCRGWUQMGQKUHBKOWNPTYULUEGZIMPPCCCQLWNUYNJVPSRKQUDBF | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0013724 | 6335 2542 1603 4096 1666 06049 6051 00370 2292 01628 07242 00380 05978 02603 02880 01294 1307 01611 04478 0697 6622 06285 4429 4735 6350 6054 01618 00942 06658 05699 1580 5086 04796 03791 07895 0688 02848 06609 6007 1628 04408 00962 04744 1279 01632 01319 3856 1629 6370 06358 01587 5745 6015 0353 6032 05029 00336 02865... | 6335 2542 1603 4096 1666 06049 6051 00370 2292 01628 07242 00380 05978 02603 02880 01294 1307 01611 04478 0697 6622 06285 4429 4735 6350 6054 01618 00942 06658 05699 1580 5086 04796 03791 07895 0688 02848 06609 6007 1628 04408 00962 04744 1279 01632 01319 3856 1629 6370 06358 01587 5745 6015 0353 6032 05029 00336 02865... | THE MESSAGE WAS HIDDEN BUT NOT SECURE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | zimmermann | zimmermann | null | {} | hard | en | 119 | 119 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
adfgx-v3-0061 | XDGDAFGFDXAGFDXXAXDGGDDADXFDGAFDAADFFFFDADFDGGGAGFAFDGXFDDFGDFXDGAGFGGDFXXXAADXAADGGFDDAGFDAGGDAGAFAXFFADAAFAAAFXFAXAAFAAAGDFFGFGDXFXXXDXGAXDGDXGXXXFAGGFG | XDGDAFGFDXAGFDXXAXDGGDDADXFDGAFDAADFFFFDADFDGGGAGFAFDGXFDDFGDFXDGAGFGGDFXXXAADXAADGGFDDAGFDAGGDAGAFAXFFADAAFAAAFXFAXAAFAAAGDFFGFGDXFXXXDXGAXDGDXGXXXFAGGFG | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
cda-0002341 | CRREE RIVRJ NAQER CEBQH PVOVY VGLZN GGREV AERFR NEPUN FGEBA TPYNV ZARRQ FFGEB ATRIV QRAPR SERDH RAPLN ANYLF VFPNA ERIRN YJRNX PVCUR EFUVY YPVCU REHFR FYVAR NENYT ROENG BRAPE LCGOY BPXFB SYRGG REF | CRREE RIVRJ NAQER CEBQH PVOVY VGLZN GGREV AERFR NEPUN FGEBA TPYNV ZARRQ FFGEB ATRIV QRAPR SERDH RAPLN ANYLF VFPNA ERIRN YJRNX PVCUR EFUVY YPVCU REHFR FYVAR NENYT ROENG BRAPE LCGOY BPXFB SYRGG REF | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH A STRONG CLAIM NEEDS STRONG EVIDENCE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 163 | 163 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
kryha-v3-0027 | UPTPOJNBCEQMMWEQJJZO | UPTPOJNBCEQMMWEQJJZO | THE COMPASS POINTS TRUE | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
stager-route-186 | PDNNAROSEDPCELXXAE | PDNNAROSEDPCELXXAE | PROCEED AS PLANNED | stager_route | stager_route | transposition | {
"type": "integer",
"value": 6
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
affine-v2-1066 | BYVYL IB DZY HIYJP KH ZMSOB GKBHJIGD EOU UK SMGZ KEYP XW UK SOBW DK UK HYE XLOVY UKMJU | BYVYL IB DZY HIYJP KH ZMSOB GKBHJIGD EOU UK SMGZ KEYP XW UK SOBW DK UK HYE XLOVY UKMJU | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | affine | affine | substitution | {
"a": 9,
"b": 14
} | beginner | en | 68 | 86 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0611 | AGGGADADXAXAAGGDDXGADAGXADGGAXDXDX | AGGGADADXAXAAGGDDXGADAGXADGGAXDXDX | KEEP YOUR POWDER DRY | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0168 | LFUGBKOQARBKOBQASADWLOUHAOUTVABRTPMARKJWMPRLFQBKOWAFQWAPC | LFUGBKOQARBKOBQASADWLOUHAOUTVABRTPMARKJWMPRLFQBKOWAFQWAPC | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 57 | 57 | cipher_museum | 2.0 | public | null | null |
morse-code-v3-0089 | .-. ... .- / . -. -.-. .-. -.-- .--. - .. --- -. / .-. . .-.. .. . ... / --- -. / - .... . / -- .- - .... . -- .- - .. -.-. .- .-.. / -.. .. ..-. ..-. .. -.-. ..- .-.. - -.-- / --- ..-. / ..-. .- -.-. - --- .-. .. -. --. / - .... . / .--. .-. --- -.. ..- -.-. - / --- ..-. / - .-- --- / .-.. .- .-. --. . / .--. .-. .. -... | .-. ... .- / . -. -.-. .-. -.-- .--. - .. --- -. / .-. . .-.. .. . ... / --- -. / - .... . / -- .- - .... . -- .- - .. -.-. .- .-.. / -.. .. ..-. ..-. .. -.-. ..- .-.. - -.-- / --- ..-. / ..-. .- -.-. - --- .-. .. -. --. / - .... . / .--. .-. --- -.. ..- -.-. - / --- ..-. / - .-- --- / .-.. .- .-. --. . / .--. .-. .. -... | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 231 | 327 | cipher_museum | 2.0 | public | null | null |
cda-0020847 | BGTT EVSQ BHWY INIU NAQW BJET XTMW HXAS KQVG U | BGTT EVSQ BHWY INIU NAQW BJET XTMW HXAS KQVG U | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | vernam | vernam | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
slidex-v3-0039 | VHYHKJEDXFCYUNXVQORJZN | VHYHKJEDXFCYUNXVQORJZN | THE EXPERIMENT CONFIRMS | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0816 | UGLLT PWIJQ JKT QIJOP QAIPI JOI WAJQ B LCCIO YLR CLO QAI TICIKPI LC LRO BPGJKT KJQBLK | UGLLT PWIJQ JKT QIJOP QAIPI JOI WAJQ B LCCIO YLR CLO QAI TICIKPI LC LRO BPGJKT KJQBLK | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "JUSTICE"
} | beginner | en | 69 | 85 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0780 | VOKGRBBVNJTLOQFU | VOKGRBBVNJTLOQFU | THE WALLS HAVE EARS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
typex-v2-0243 | YKCUMLSBUWMCJRABFPGQDMGWUSTVXEFJBSMOXMJZNSWZJZTECIAHPMVSALCQRLLMYCQXDUCTMTAFMYWSLUNPRKFXCUWNLZBSNRWVJTFLYQXSOVOCVDUUUFYYNXNSILVZWQQJKFRGPFJDHRBNFXOUCKLLSGLBIHKOYJWHBBCNTZNXPICOFVT | YKCUMLSBUWMCJRABFPGQDMGWUSTVXEFJBSMOXMJZNSWZJZTECIAHPMVSALCQRLLMYCQXDUCTMTAFMYWSLUNPRKFXCUWNLZBSNRWVJTFLYQXSOVOCVDUUUFYYNXNSILVZWQQJKFRGPFJDHRBNFXOUCKLLSGLBIHKOYJWHBBCNTZNXPICOFVT | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0568 | VVAATKRZPENSXLWKXNILNXNQNGLKIRVETLLGETVOVYTBOVLOVEQATCNFIXATCRJQNIMTILNAGGS | VVAATKRZPENSXLWKXNILNXNQNGLKIRVETLLGETVOVYTBOVLOVEQATCNFIXATCRJQNIMTILNAGGS | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "24680"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0099 | 34 43 65 59 55 59 45 24 57 75 57 38 63 24 88 59 55 49 52 56 79 89 26 27 54 47 86 88 27 30 64 45 79 88 56 37 44 43 78 75 56 58 36 46 88 57 25 57 36 63 79 57 58 59 52 47 78 67 55 27 55 24 75 87 28 37 36 45 75 57 56 30 32 56 | 34 43 65 59 55 59 45 24 57 75 57 38 63 24 88 59 55 49 52 56 79 89 26 27 54 47 86 88 27 30 64 45 79 88 56 37 44 43 78 75 56 58 36 46 88 57 25 57 36 63 79 57 58 59 52 47 78 67 55 27 55 24 75 87 28 37 36 45 75 57 56 30 32 56 | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
diana-v3-0047 | JHFOEYAGUZKEJFJPMRGPPGCHEMRVAOLWKNXRYAVYRLGWBGRJELZOMNZIFSRDMAISNYXNJUKZYZJYRVRNUSZRVSIC | JHFOEYAGUZKEJFJPMRGPPGCHEMRVAOLWKNXRYAVYRLGWBGRJELZOMNZIFSRDMAISNYXNJUKZYZJYRVRNUSZRVSIC | 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": "RANGER"
} | intermediate | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0013880 | kings eight range clear known hours often first front scout posts raids issue north carry issue parts leads extra scout again years swift takes hours | kings eight range clear known hours often first front scout posts raids issue north carry issue parts leads extra scout again years swift takes hours | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | 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. |
fialka-123 | AXSWQZAPVEOUZHTPA | AXSWQZAPVEOUZHTPA | THE EAGLE HAS LANDED | fialka | fialka | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0140 | TNKREJTDFDCUCN | TNKREJTDFDCUCN | PRESS THE ATTACK | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0628 | DXXGAFXAGAAAFGADGAADAGGGFDDGFGGDXDXXGGAGAAGDGDDGAGGXDGAAAFFDAAFXXAXGXGAFADXGGXXXGGGXXGADGAFXDAAFGGAFAGFAAGDFDF | DXXGAFXAGAAAFGADGAADAGGGFDDGFGGDXDXXGGAGAAGDGDDGAGGXDGAAAFFDAAFXXAXGXGAFADXGGXXXGGGXXGADGAFXDAAFGGAFAGFAAGDFDF | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 110 | 110 | cipher_museum | 2.0 | public | null | null |
trithemius-v2-0068 | BMGVWJJ HZN DSQ CIGU ZF AYVNQ DNR UJHC XNHTU CPQ TCS QEV UFZOPCC ASG WLJ VLILOXMXSGI REHHB QP | BMGVWJJ HZN DSQ CIGU ZF AYVNQ DNR UJHC XNHTU CPQ TCS QEV UFZOPCC ASG WLJ VLILOXMXSGI REHHB QP | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 76 | 93 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0173 | IMYFXSSMSFGONVBOMAFTRLTRHFEFIVMSSINAANAQDGWNXFCNULNFBEREEXLKNGGVZWN | IMYFXSSMSFGONVBOMAFTRLTRHFEFIVMSSINAANAQDGWNXFCNULNFBEREEXLKNGGVZWN | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
rail-fence-la-064 | FALXITU | FALXITU | FIAT LUX | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 2
} | intermediate | la | 7 | 7 | cipher_museum | 0.2 | public | null | null |
babington-v2-0074 | ⟨w01⟩ ⟨w26⟩ ⟨n04⟩ ⟨a05⟩ ⟨n04⟩ ⟨a02⟩ ⟨w16⟩ ⟨a20⟩ ⟨a02⟩ ⟨a14⟩ ⟨a05⟩ ⟨w16⟩ ⟨w26⟩ ⟨x2⟩ ⟨w02⟩ ⟨a20⟩ ⟨w21⟩ ⟨a11⟩ ⟨a05⟩ ⟨w07⟩ ⟨w20⟩ ⟨w26⟩ ⟨a04⟩ ⟨a16⟩ ⟨a05⟩ ⟨a20⟩ ⟨w28⟩ | ⟨w01⟩ ⟨w26⟩ ⟨n04⟩ ⟨a05⟩ ⟨n04⟩ ⟨a02⟩ ⟨w16⟩ ⟨a20⟩ ⟨a02⟩ ⟨a14⟩ ⟨a05⟩ ⟨w16⟩ ⟨w26⟩ ⟨x2⟩ ⟨w02⟩ ⟨a20⟩ ⟨w21⟩ ⟨a11⟩ ⟨a05⟩ ⟨w07⟩ ⟨w20⟩ ⟨w26⟩ ⟨a04⟩ ⟨a16⟩ ⟨a05⟩ ⟨a20⟩ ⟨w28⟩ | NORTH STAR HOLDS FIRM COURSE | babington | babington | nomenclator | {
"type": "seed",
"value": "SCOTLAND"
} | expert | en | 134 | 160 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0069 | XXXFGXDDXXXXDDGXGXDDDGFXFXFAFFFDGGDAFADAFAXAAAAGAAAAGADDGDDDFADXXDDDAFGXGXFFDAAADDDAXAADAAAXGXFXGFFFDGFGFFFGAXFFFGXFDAFGFGFXGFFGXGAAGXGAAGDDDDDXDGAAAXXX | XXXFGXDDXXXXDDGXGXDDDGFXFXFAFFFDGGDAFADAFAXAAAAGAAAAGADDGDDDFADXXDDDAFGXGXFFDAAADDDAXAADAAAXGXFXGFFFDGFGFFFGAXFFFGXFDAFGFGFXGFFGXGAAGXGAAGDDDDDXDGAAAXXX | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
cda-0019183 | FFLDM QUEFJ ZCFFB UJFSI IHVAV VLEAF TYGXN IYFVL RBVRT EIWEM WUEIH UMKFN OBHFQ YEMXG GVFEH SUVRH SSBZB BBQPG NTGEA SXJAG LRVEY HVUKC OMXVB VICGL QNTPF MDBJI YMQCN GIQIX OIYWW FKFHA REVWR UKQXL OETGH TS | FFLDM QUEFJ ZCFFB UJFSI IHVAV VLEAF TYGXN IYFVL RBVRT EIWEM WUEIH UMKFN OBHFQ YEMXG GVFEH SUVRH SSBZB BBQPG NTGEA SXJAG LRVEY HVUKC OMXVB VICGL QNTPF MDBJI YMQCN GIQIX OIYWW FKFHA REVWR UKQXL OETGH TS | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | running_key | running_key | null | {} | hard | en | 167 | 167 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0012155 | 65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82 52 68 80 82 76 59 57 57 43 | 65 59 20 57 50 52 50 29 76 80 68 61 66 80 59 52 66 59 80 82 11 82 61 82 80 95 82 61 52 68 80 82 76 59 57 11 82 61 50 25 29 68 61 66 80 69 29 25 52 57 68 50 77 29 82 82 11 61 61 66 80 69 29 25 82 95 50 11 82 29 52 82 52 68 80 82 76 59 57 57 43 | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN A STRONG CLAIM NEEDS STRONG EVIDENCE CAREFULLY | wallis_cipher | wallis_cipher | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
cda-0016518 | PLPD OQPH EVUJ ITHC DBMX BFZU MRNR HQXV VJHV QIVE CACW LTJL PUGU IDZK QXSC FYOS BWPD EJFI BZOJ DCCX HDDL IDXZ USBN YCRM | PLPD OQPH EVUJ ITHC DBMX BFZU MRNR HQXV VJHV QIVE CACW LTJL PUGU IDZK QXSC FYOS BWPD EJFI BZOJ DCCX HDDL IDXZ USBN YCRM | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | vernam | vernam | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
nomenclator-v2-0168 | 60 03 15 21 18 19 05 62 20 18 21 05 12 15 22 05 14 05 22 05 18 04 09 04 18 21 14 19 13 15 15 20 08 20 08 18 15 21 07 08 01 07 05 19 | 60 03 15 21 18 19 05 62 20 18 21 05 12 15 22 05 14 05 22 05 18 04 09 04 18 21 14 19 13 15 15 20 08 20 08 18 15 21 07 08 01 07 05 19 | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 88 | 131 | cipher_museum | 2.0 | public | null | null |
cda-0003277 | EAENUEHNHRATBELAOHOTPCTLORUIOISTARSNTUTDISDTLSAEOTLOANESSOECNLELSDAOIARROEISNGEECSGCKRSTLSTOUESSRELICNETTNSPYUTRHWBUPIBYOFDRGLYAEIAFPRNHRUAEIYNMECIBMSTEEEATLISNNX | EAENUEHNHRATBELAOHOTPCTLORUIOISTARSNTUTDISDTLSAEOTLOANESSOECNLELSDAOIARROEISNGEECSGCKRSTLSTOUESSRELICNETTNSPYUTRHWBUPIBYOFDRGLYAEIAFPRNHRUAEIYNMECIBMSTEEEATLISNNX | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS FAIL CLOSED IS A POSTURE NOT A SLOGAN HONESTLY | stager_route | stager_route | null | {
"cols": 9
} | hard | en | 162 | 162 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
two-square-059 | OLEEAGMSHATKFIDEBY | OLEEAGMSHATKFIDEBY | THE EAGLE HAS LANDED | two_square | two_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0002673 | NOWZ NZCF SRVE OCAG GGFR NCGO GYAU ON | NOWZ NZCF SRVE OCAG GGFR NCGO GYAU ON | FAIL CLOSED IS A POSTURE NOT A SLOGAN | porta | porta | null | {
"key": "KEY"
} | medium | en | 30 | 30 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
adfgvx-v3-0156 | FXFGFDFDFDFAAVGXGVAGAFXAAAAFVAGGGGDDDFXDXDXDGAXDXAXDFAGFDAXDAAXDXDXFXDGFAAXAVAGAGDDDFXADAXDXAXFGFGAFAGDVVFVAXAXDXDADVDVDFDVAGGAXAVFXFADGGFDVDAFDDD | FXFGFDFDFDFAAVGXGVAGAFXAAAAFVAGGGGDDDFXDXDXDGAXDXAXDFAGFDAXDAAXDXDXFXDGFAAXAVAGAGDDDFXADAXDXAXFGFGAFAGDVVFVAXAXDXDADVDVDFDVAGGAXAVFXFADGGFDVDAFDDD | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 146 | 146 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0439 | TSGG PLCG LARLE | TSGG PLCG LARLE | FULL SAIL AHEAD | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | beginner | en | 13 | 15 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0374 | WZIARO5BQEHBJEOSVAODCO7JCH7CEV4XEKEU6EVHD7XRJHH3IUJKJHG6TAMXLDKFQKKJG7XVAIR5CJVXDD57CV4KXDKCRRADF2FJWEON2N2PEIYM5DFADDYIAQP3IIIVVEQGCIUQPIAJA7KPL4LIVWW | WZIARO5BQEHBJEOSVAODCO7JCH7CEV4XEKEU6EVHD7XRJHH3IUJKJHG6TAMXLDKFQKKJG7XVAIR5CJVXDD57CV4KXDKCRRADF2FJWEON2N2PEIYM5DFADDYIAQP3IIIVVEQGCIUQPIAJA7KPL4LIVWW | 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 | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
cda-0015598 | OTOL QOKE EDYQ OKED YCHO LDAI INOT EDYO XEDO TAII NDAR ALYT AIIN QOKA LQOK EEDY QOKE EDYO KEED YOKS HYDA RALO TAII NOTA INLK AIIN YKCH EOLO KEED YORO ROXE DYTA IINO XEDY KCHE OLRA IINY KCHE OLOK ALYT EDYS HALC HEDA LQOK ALOK SHYC HOLO TAIN QOKE EDYO RORS HARA LQOK ALCH EOLC HOLR CHEO LOTA IINK AIII NDAI IN | OTOL QOKE EDYQ OKED YCHO LDAI INOT EDYO XEDO TAII NDAR ALYT AIIN QOKA LQOK EEDY QOKE EDYO KEED YOKS HYDA RALO TAII NOTA INLK AIIN YKCH EOLO KEED YORO ROXE DYTA IINO XEDY KCHE OLRA IINY KCHE OLOK ALYT EDYS HALC HEDA LQOK ALOK SHYC HOLO TAIN QOKE EDYO RORS HARA LQOK ALCH EOLC HOLR CHEO LOTA IINK AIII NDAI IN | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | voynich_render | voynich_render | null | {} | hard | en | 246 | 246 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
vic-v2-0117 | 91080828980491683870808918121928390948393838693808691807595486911838680486751864938086919289808919090838286129290807486185808662491189181193808981839380092867898078692855808990898087898090808691838682909522452809031897904867869222904867898085483868079286589184808681189913168086919289838090 | 91080828980491683870808918121928390948393838693808691807595486911838680486751864938086919289808919090838286129290807486185808662491189181193808981839380092867898078692855808990898087898090808691838682909522452809031897904867869222904867898085483868079286589184808681189913168086919289838090 | 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 | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 290 | 290 | cipher_museum | 2.0 | public | null | null |
trifid-013 | INRTO+FSEOTASAG | INRTO+FSEOTASAG | ENEMY FORCES NEAR | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FELIX"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
enigma-v2-0647 | VYHKOYJDKRMLPDYATQH | VYHKOYJDKRMLPDYATQH | CODED MESSAGE FOLLOWS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0015177 | ⟨w26⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨a23⟩ ⟨w20⟩ ⟨a01⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ | ⟨w26⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨a23⟩ ⟨w20⟩ ⟨a01⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | babington | babington | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
monoalphabetic-119 | TBE CQT MR WCQ DS MR VDTCJ DKNMQTCLPE TM TBE STCTE DT DS C KCTTEQ MR JDRE CLH HECTB C QMCH EDTBEQ TM SCRETY MQ TM QUDL BELPE DT DS C SUIFEPT MR DLOUDQY WBDPB PCL ML LM CPPMULT IE LEAJEPTEH | TBE CQT MR WCQ DS MR VDTCJ DKNMQTCLPE TM TBE STCTE DT DS C KCTTEQ MR JDRE CLH HECTB C QMCH EDTBEQ TM SCRETY MQ TM QUDL BELPE DT DS C SUIFEPT MR DLOUDQY WBDPB PCL ML LM CPPMULT IE LEAJEPTEH | 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 | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | beginner | en | 148 | 188 | cipher_museum | 0.2 | public | null | null |
beaufort-v3-0197 | XNTRPINTNBNHOGSZIYFQWNWABWWLOWSHSZAYTGPTWYGJNRAWFHHDWBZRPMTLNHKPTAOWHTXDXNXECSZWJCPJBASSJVLYTDWUNAJGXNFPDCNRSGWOSFZHZAKAMAZSNLAKWNWLPWGLMWUSKCJYVRNCHECLXCZGXHXBTRECSSWTO | XNTRPINTNBNHOGSZIYFQWNWABWWLOWSHSZAYTGPTWYGJNRAWFHHDWBZRPMTLNHKPTAOWHTXDXNXECSZWJCPJBASSJVLYTDWUNAJGXNFPDCNRSGWOSFZHZAKAMAZSNLAKWNWLPWGLMWUSKCJYVRNCHECLXCZGXHXBTRECSSWTO | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "TRAFALGAR"
} | intermediate | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
cda-0021747 | -... .-. ..- - . / ..-. --- .-. -.-. . / .-- --- .-. -.- ... / --- -. .-.. -.-- / .-- .... . -. / - .... . / -.- . -.-- / ... .--. .- -.-. . / .. ... / ... -- .- .-.. .-.. / - .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.... | -... .-. ..- - . / ..-. --- .-. -.-. . / .-- --- .-. -.- ... / --- -. .-.. -.-- / .-- .... . -. / - .... . / -.- . -.-- / ... .--. .- -.-. . / .. ... / ... -- .- .-.. .-.. / - .... . / .- ..- - --- -.- . -.-- / -.-. .. .--. .... . .-. / . -..- - . -. -.. ... / - .... . / -.- . -.-- / .-- .. - .... / - .... . / .--. .-.... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | morse_code | morse_code | null | {} | hard | en | 143 | 143 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
fractionated-morse-v3-0328 | MDVIFATAEPLNFUOTTEDAE | MDVIFATAEPLNFUOTTEDAE | ARCHERS TO THE WALLS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
typex-v3-0148 | ONKFMXITXIEWHKYJJ | ONKFMXITXIEWHKYJJ | THE RAILWAY ARRIVES | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0361 | KWMMPWDJDYOFNOCXIOWYRZXMHFSKGKGTNOKRAXCPVJMOWYOWIMPWUEVIBQRZPWSLBIBQCXAORHGRDWZGODRWUMFRBQMNMMWYJJCXDSHKPGWZGTNOGMXPVEDYMMPWRBHFSUEGOWEKXCGQRZHFSOWCIFGHQXBCADAQFREP | KWMMPWDJDYOFNOCXIOWYRZXMHFSKGKGTNOKRAXCPVJMOWYOWIMPWUEVIBQRZPWSLBIBQCXAORHGRDWZGODRWUMFRBQMNMMWYJJCXDSHKPGWZGTNOGMXPVEDYMMPWRBHFSUEGOWEKXCGQRZHFSOWCIFGHQXBCADAQFREP | 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 | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0008503 | QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA SEVRQZNA RFGVZNGRQ XRL YRATGU SEBZ FGNGVFGVPF | QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA SEVRQZNA RFGVZNGRQ XRL YRATGU SEBZ FGNGVFGVPF | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 182 | 182 | synthetic_educational | null | null | [] | |
caesar-v2-1475 | LZW TSTAFYLGF HDGL LG SKKSKKAFSLW IMWWF WDARSTWLZ OSK MFUGNWJWV TQ XJSFUAK OSDKAFYZSE AF LAEW | LZW TSTAFYLGF HDGL LG SKKSKKAFSLW IMWWF WDARSTWLZ OSK MFUGNWJWV TQ XJSFUAK OSDKAFYZSE AF LAEW | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | caesar | caesar | substitution | {
"type": "shift",
"value": 18
} | beginner | en | 80 | 93 | cipher_museum | 2.0 | public | null | null |
wheatstone-v3-0153 | FTWLSLORFCETNMIDDLYFKLPRFILKDTEANIMNHSWARASTRFHFKCTEFRTAAKLNRMSSTEANFTY | FTWLSLORFCETNMIDDLYFKLPRFILKDTEANIMNHSWARASTRFHFKCTEFRTAAKLNRMSSTEANFTY | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0348 | YKOIMPYPIHEOVROAWW | YKOIMPYPIHEOVROAWW | GRAVITY EXPLAINS ALL | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
diana-v3-0221 | MHNAEAMDNUMALXAOKFCKO | MHNAEAMDNUMALXAOKFCKO | THE CASTLE IS SURROUNDED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0021315 | ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / ..-. .-. .. . -.. -- .- -. / . ... - .. -- .- - . -.. / -.- . -.-- / .-.. . -. --. - .... / ..-. .-. --- -- / ... - .- - .. ... - .. -.... | ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / ..-. .-. .. . -.. -- .- -. / . ... - .. -- .- - . -.. / -.- . -.-- / .-.. . -. --. - .... / ..-. .-. --- -- / ... - .- - .. ... - .. -.... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS FAIL CLOSED IS A POSTURE NOT A SLOGAN | morse_code | morse_code | null | {} | hard | en | 120 | 120 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
geheimschreiber-v3-0304 | WEKJKFEUEQPQUCUGZPBVIOXNZRIVGGYYBOYJJPCMTOUDHILFHRASENIOUDXWJLQRVYZAAVUTWOUPCQSREKCNIGCCSMFJRNRUMDVCUJQWPNLPMVEGOPYHNAZZCVFEDQMUVFYXUTSZRIVPGMFHXRAWGFPNXWCAOQTRRNBVJ | WEKJKFEUEQPQUCUGZPBVIOXNZRIVGGYYBOYJJPCMTOUDHILFHRASENIOUDXWJLQRVYZAAVUTWOUPCQSREKCNIGCCSMFJRNRUMDVCUJQWPNLPMVEGOPYHNAZZCVFEDQMUVFYXUTSZRIVPGMFHXRAWGFPNXWCAOQTRRNBVJ | 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 | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0036 | YLGNZLVWTFCMFBZIAM | YLGNZLVWTFCMFBZIAM | GRAVITY EXPLAINS ALL | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
affine-104 | CLCQCVZIPY QY XCIP OIZUAV ZRC MIQC WU IHAAZ IVX ZRC SPWQWVIL WU SLAUC | CLCQCVZIPY QY XCIP OIZUAV ZRC MIQC WU IHAAZ IVX ZRC SPWQWVIL WU SLAUC | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | affine | affine | substitution | {
"a": 5,
"b": 8
} | beginner | en | 57 | 69 | cipher_museum | 0.2 | public | null | null |
columnar-transposition-203 | GHSTIIANDKEED | GHSTIIANDKEED | THE KING IS DEAD | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0193 | RHLFUDAWABBABBHIWMRGAHAMUDXFAPRALOUHSHDXFAUSTXFAMBRDQQBSHARFQLLROQHJVXFAPHSGAWLTVAUEC | RHLFUDAWABBABBHIWMRGAHAMUDXFAPRALOUHSHDXFAUSTXFAMBRDQQBSHARFQLLROQHJVXFAPHSGAWLTVAUEC | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 85 | 85 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0314 | UFMPVQAJZGLZFMNFMQAJZFWPPYVUSWYUFMGWKMUFGMPJMAVSYJYDQMMYNWZUHQMZXLZUJPPSWUMQZ | UFMPVQAJZGLZFMNFMQAJZFWPPYVUSWYUFMGWKMUFGMPJMAVSYJYDQMMYNWZUHQMZXLZUJPPSWUMQZ | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0020202 | ROUTE CIPHE RSREA DAGRX DINAX RESCR IBEDG EOMET RICPZ TTERZ ERROR CORRZ CTIOZ ANDDZ TECTI ONARX FUNDA MENTA LTOSE CURES YSTEZ SATBZ SHENC ODESX YREVE RSING THEAL PHABE TFRIX DMANE STIMA TEDKX YLENG THFRO MSTAT ISTIC SXDDZ | ROUTE CIPHE RSREA DAGRX DINAX RESCR IBEDG EOMET RICPZ TTERZ ERROR CORRZ CTIOZ ANDDZ TECTI ONARX FUNDA MENTA LTOSE CURES YSTEZ SATBZ SHENC ODESX YREVE RSING THEAL PHABE TFRIX DMANE STIMA TEDKX YLENG THFRO MSTAT ISTIC SXDDZ | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS ATBASH ENCODES BY REVERSING THE ALPHABET FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | commercial_code | commercial_code | null | {} | hard | en | 185 | 185 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
four-square-027 | RBMSOEKCRPMS | RBMSOEKCRPMS | THE TRAP IS SET | four_square | four_square | polygraphic | {
"key1": "EXAMPLE",
"key2": "KEYWORD"
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v2-0179 | JRRQKDTFTGWJVTDFKXHPAJDVTZHKWRUJKXMRQTVLXICVVLCPFHSUQBSNZDQHWALJZFWDAONABVT | JRRQKDTFTGWJVTDFKXHPAJDVTZHKWRUJKXMRQTVLXICVVLCPFHSUQBSNZDQHWALJZFWDAONABVT | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-441 | SBN IPCEAN CQ QNGTPNE | SBN IPCEAN CQ QNGTPNE | THE BRIDGE IS SECURED | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "VIGENERE"
} | beginner | en | 18 | 21 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0100 | LNNBJAUCFBBJOKTFNEFNPUHXPDQTOSDPWOBCFLBIFWQDHVNBIFCWOJHSVWFWQSLBQOQASWVLIONPDFCSLEUIDQDQXPDSDQOXLNDNLCDHXPDQSXPSLMSOHVFPUIFNNDOBJLPOTDLBCDHTTQSLLPVJBOWFNCSVJBCDFOKUCTXLPOVDSJLJDLNMTDOHVDBQE | LNNBJAUCFBBJOKTFNEFNPUHXPDQTOSDPWOBCFLBIFWQDHVNBIFCWOJHSVWFWQSLBQOQASWVLIONPDFCSLEUIDQDQXPDSDQOXLNDNLCDHXPDQSXPSLMSOHVFPUIFNNDOBJLPOTDLBCDHTTQSLLPVJBOWFNCSVJBCDFOKUCTXLPOVDSJLJDLNMTDOHVDBQE | 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 | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 189 | 189 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0032 | PCSGTNOLWPXYX | PCSGTNOLWPXYX | E PLURIBUS UNUM | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0202 | ADAGFFDGAXGGAGAVGXDXFXAVGFAGFGAAAVDVFXAVAFDVAAAAXGVDAFXDDGAAVFDFDFDGGXDGDXDAFDGXAVAVFAFGGXFGDDAVDDDDAVAGDGFGDXAAVAXADAAAFDDAGDFFXFVGDFFDGAXADGVFXDXFGAADGF | ADAGFFDGAXGGAGAVGXDXFXAVGFAGFGAAAVDVFXAVAFDVAAAAXGVDAFXDDGAAVFDFDFDGGXDGDXDAFDGXAVAVFAFGGXFGDDAVDDDDAVAGDGFGDXAAVAXADAAAFDDAGDFFXFVGDFFDGAXADGVFXDXFGAADGF | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0307 | FWRD TK STWYMJWS ANWLNSNF XZWWJSIJWX FY FUUTRFYYTC HTZWYMTZXJ YMJ BFW NS YMJ JFXY NX TAJW | FWRD TK STWYMJWS ANWLNSNF XZWWJSIJWX FY FUUTRFYYTC HTZWYMTZXJ YMJ BFW NS YMJ JFXY NX TAJW | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 75 | 89 | cipher_museum | 2.0 | public | null | null |
m209-v2-0376 | LRKNDXQIAUQWXBNBZAYLUIZCXMQRBAENEOKYZWAMRBSZPUXQDLMFYYXCVRYVAELZJMVDMYNZQEODTFZMBXHWMUQQMAMZAPQAZPJLEMABENAFSCTMZQQYSNTUPWLWZABBBNMUOQPOZMEKUPPAQMLVHKXZXEKLLBAAACZA | LRKNDXQIAUQWXBNBZAYLUIZCXMQRBAENEOKYZWAMRBSZPUXQDLMFYYXCVRYVAELZJMVDMYNZQEODTFZMBXHWMUQQMAMZAPQAZPJLEMABENAFSCTMZQQYSNTUPWLWZABBBNMUOQPOZMEKUPPAQMLVHKXZXEKLLBAAACZA | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
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