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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
rot13-it-008 | RCCHE FV ZHBIR | RCCHE FV ZHBIR | EPPUR SI MUOVE | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | it | 12 | 14 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0902 | LRPMOSAUFMRWSPMZWXHZQXTSTHOFYYILHOHJEWEQROTEJMUAQIKLEWHTJVEVWVAWSMXVHTJJYR | LRPMOSAUFMRWSPMZWXHZQXTSTHOFYYILHOHJEWEQROTEJMUAQIKLEWHTJVEVWVAWSMXVHTJJYR | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kama-sutra-195 | GFWCVBLGH TWOLHX | GFWCVBLGH TWOLHX | OPERATION BEGINS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 15 | 16 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v3-0474 | VLKTIILZGOWWKMFTSSLIUXGVTUXGZSNILBTJSYMSWRYBHQYYINFWUNYGEXABGJUZEASAZBKVZP | VLKTIILZGOWWKMFTSSLIUXGVTUXGZSNILBTJSYMSWRYBHQYYINFWUNYGEXABGJUZEASAZBKVZP | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "24680"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
noisy-caesar-telegraph-017 | IUHTXHFQA DQDOBVVL UHYHDOV WKH PRVW FRPPRQ OHWWHUV LQ DQB FLSKHUWHAW | IUHTXHFQA DQDOBVVL UHYHDOV WKH PRVW FRPPRQ OHWWHUV LQ DQB FLSKHUWHAW | FREQUENCY ANALYSIS REVEALS THE MOST COMMON LETTERS IN ANY CIPHERTEXT | caesar | caesar | substitution | {
"type": "shift",
"value": 3
} | beginner | en | 59 | 68 | cipher_museum | 0.2 | public | null | null |
vernam-v2-0048 | AMNWLJCVZUNDMFHPWVSGXZWZFLAOKQLNYAQVOAXNMHCRFRJVNQQNNMKIIXMYMJDDFNUT | AMNWLJCVZUNDMFHPWVSGXZWZFLAOKQLNYAQVOAXNMHCRFRJVNQQNNMKIIXMYMJDDFNUT | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0129 | HBDCPGZWWEF | HBDCPGZWWEF | HOLD THE LINE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-230 | XBXKGYTCQNYBGXBPKYHTEVPDTLKESTIYKNSXTMSVVXVXTWWDWPMXQKY | XBXKGYTCQNYBGXBPKYHTEVPDTLKESTIYKNSXTMSVVXVXTWWDWPMXQKY | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
kl7-v2-0022 | AWLREOHJHAYZXOUF | AWLREOHJHAYZXOUF | DIVIDE AND CONQUER | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0227 | MLSTEAEPBAMYBMBIUGFYSDPC | MLSTEAEPBAMYBMBIUGFYSDPC | THE ALCHEMIST SUCCEEDS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0013 | UGPHCQTLPOSSURUKTOHAFW | UGPHCQTLPOSSURUKTOHAFW | THE CASTLE IS SURROUNDED | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0133 | HVSFSRQCOHGOFSQCAWBU | HVSFSRQCOHGOFSQCAWBU | THE REDCOATS ARE COMING | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0524 | VYDYNOOMMGHASYLTGSWT | VYDYNOOMMGHASYLTGSWT | THE LEGIONS STAND READY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0311 | CAEVICKJFBLDMALDDVBCSIRXMTRLPACVWEBWLXPKYQPFJOIXKGOYXKNLOHGAPOKQYABDXMED | CAEVICKJFBLDMALDDVBCSIRXMTRLPACVWEBWLXPKYQPFJOIXKGOYXKNLOHGAPOKQYABDXMED | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
voynich-render-v2-0036 | fkadqgu iq edogc | fkadqgu iq edogc | LIBERTY OR DEATH | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
two-square-035 | HPWAOVHEMORADFOXOTHEALZQNAPHPPRLQYMFOXTKHO | HPWAOVHEMORADFOXOTHEALZQNAPHPPRLQYMFOXTKHO | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | two_square | two_square | polygraphic | {
"key1": "EXAMPLE",
"key2": "KEYWORD"
} | advanced | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
one-time-pad-024 | QDWCEDDCFB | QDWCEDDCFB | TRUST NO ONE | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
kryha-v2-0085 | XCTAXFZOETOSHOODGSLPZSLAQTEEGQIJTBFCHKIKEPSSLHPOWSGBQUSNGJOFGNGSKIBTMNXCSOAZGCZXG | XCTAXFZOETOSHOODGSLPZSLAQTEEGQIJTBFCHKIKEPSSLHPOWSGBQUSNGJOFGNGSKIBTMNXCSOAZGCZXG | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0352 | GDGVFFFGAAAFDAXGGGXAXDAGXAAFDDVAFDAAAAGDAAGXGXGDGFGGFFDVDAFFGXFFGGGXDVGGGFDFDDDVGXGGGXGXAAGXDDFXAXDDFGADFFFDAGFGXFVFAGVDFFVAADFADGADGDXDXF | GDGVFFFGAAAFDAXGGGXAXDAGXAAFDDVAFDAAAAGDAAGXGXGDGFGGFFDVDAFFGXFFGGGXDVGGGFDFDDDVGXGGGXGXAAGXDDFXAXDDFGADFFFDAGFGXFVFAGVDFFVAADFADGADGDXDXF | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 138 | 138 | cipher_museum | 2.0 | public | null | null |
cda-0009897 | DLCOPKZVKVRGZTJMGBWVMSVWPVEIMNZSREGSPZRFQRHPCGHIFJITJITHULKOGEWGDMGJVLRKGDGNFRVLIDWCNPYLLSTQUIFTEIVEGAELGGIZJMGZGRWUAVKHZXAMIMLHTSTHLQLTCCMIPXLGSWXHAWGA | DLCOPKZVKVRGZTJMGBWVMSVWPVEIMNZSREGSPZRFQRHPCGHIFJITJITHULKOGEWGDMGJVLRKGDGNFRVLIDWCNPYLLSTQUIFTEIVEGAELGGIZJMGZGRWUAVKHZXAMIMLHTSTHLQLTCCMIPXLGSWXHAWGA | THE VIGENERE CIPHER USES A REPEATING KEYWORD DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | autokey | autokey | null | {
"primer": "KEY"
} | hard | en | 152 | 152 | synthetic_educational | null | null | [] | |
beaufort-284 | GTUKKEKKNAKQOZKNCWVZPXLRSIRRGWGWJDPRELTVKZINQKGEDZWGUDDLG | GTUKKEKKNAKQOZKNCWVZPXLRSIRRGWGWJDPRELTVKZINQKGEDZWGUDDLG | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
rail-fence-v3-0348 | GRLALVAISTNYIEAXLP | GRLALVAISTNYIEAXLP | GRAVITY EXPLAINS ALL | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0076 | NNMEXSNAEXDESFFUOKOLEHBUPBFWANPOCXUDZWSOFWGGWCZWYJWSJRHRDEWIAPJQTYUJJZBSPZXAM | NNMEXSNAEXDESFFUOKOLEHBUPBFWANPOCXUDZWSOFWGGWCZWYJWSJRHRDEWIAPJQTYUJJZBSPZXAM | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0012384 | 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 52 69 57 59 77 29 68 80 66 80 68 29 61 65 69 61 50 66 50 69 29 80 82 68 11 61 52 69 57 59 77 29 61 50 29 55 82 43 69 80 11 82 80 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43... | 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 52 69 57 59 77 29 68 80 66 80 68 29 61 65 69 61 50 66 50 69 29 80 82 68 11 61 52 69 57 59 77 29 61 50 29 55 82 43 69 80 11 82 80 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43... | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | wallis_cipher | wallis_cipher | null | {} | hard | en | 159 | 159 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
chinese-telegraph-v3-0134 | 8603 7194 8930 7194 8603 7720 8100 8038 8854 7720 8603 7654 8100 8685 8603 8437 7467 8206 8437 7467 8528 7467 8038 8603 7194 8603 7720 8100 8038 | 8603 7194 8930 7194 8603 7720 8100 8038 8854 7720 8603 7654 8100 8685 8603 8437 7467 8206 8437 7467 8528 7467 8038 8603 7194 8603 7720 8100 8038 | TAXATION WITHOUT REPRESENTATION | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 116 | 144 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0607 | OPGOFJADGHIERAOYYGYIPKKULFTJUKMSMHLSWMTYXQIJYDJNOKFNKOIOUWSLCEMDBUOWNOEHMMCUSCFV | OPGOFJADGHIERAOYYGYIPKKULFTJUKMSMHLSWMTYXQIJYDJNOKFNKOIOUWSLCEMDBUOWNOEHMMCUSCFV | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
pigpen-v2-0088 | ¬ ¬• ⌐ ╱ ├ ┼ ╲ ┬ ⌐ ┼• ┼• ┤• ┼• ┌• ┐• ┤• ╲• ┼ ├ ╳ ┬ ⌐ ╳ ╳ ┬ ┼ ┤• ┼• ┼ ╳ ┐ ├• ┼ ┌• ⌐ ├ ⌐ ¬ ┬ ┐ ┼ ╲• ┼ ╲ ┌• ┼ ┐• ┤ ┼ ¬ ╳ ╲ ┼ ¬ ┐• ┼ ¬ ▽ ╳• ┬ ┼ ┼• ╱ ╲ ┼ ├ ¬ ┤• ┐• ┐• ┼ ¬ ╳ ¬• ▽ ┤• ┼• ¬ ┼ | ¬ ¬• ⌐ ╱ ├ ┼ ╲ ┬ ⌐ ┼• ┼• ┤• ┼• ┌• ┐• ┤• ╲• ┼ ├ ╳ ┬ ⌐ ╳ ╳ ┬ ┼ ┤• ┼• ┼ ╳ ┐ ├• ┼ ┌• ⌐ ├ ⌐ ¬ ┬ ┐ ┼ ╲• ┼ ╲ ┌• ┼ ┐• ┤ ┼ ¬ ╳ ╲ ┼ ¬ ┐• ┼ ¬ ▽ ╳• ┬ ┼ ┼• ╱ ╲ ┼ ├ ¬ ┤• ┐• ┐• ┼ ¬ ╳ ¬• ▽ ┤• ┼• ¬ ┼ | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 104 | 182 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v2-0034 | 90 34 42 26 49 24 91 90 89 63 82 42 91 90 43 56 37 60 89 53 25 76 91 | 90 34 42 26 49 24 91 90 89 63 82 42 91 90 43 56 37 60 89 53 25 76 91 | NOVUS ORDO SECLORUM | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 46 | 68 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0385 | VEBLNVAHHHRNBJZSZQHDGTVCFKSDKSEMRXJXPAIXPVACJQMRXHVHGEZJCBTAQDRQSDJONKAKVTDVLU | VEBLNVAHHHRNBJZSZQHDGTVCFKSDKSEMRXJXPAIXPVACJQMRXHVHGEZJCBTAQDRQSDJONKAKVTDVLU | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1385 | AOHBEKHQCXCE | AOHBEKHQCXCE | YANKEE DOODLE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-222 | EXVLOKKVDJFGXKWBCUOLRZFPAYCULVOGTRZGXCATNRKANWNTCHXIONUHXXYWBSLV | EXVLOKKVDJFGXKWBCUOLRZFPAYCULVOGTRZGXCATNRKANWNTCHXIONUHXXYWBSLV | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
cda-0014110 | AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BAAAB AAAAB BABBA BAAAA AABAA BAABB AABAA BAAAA BAAAB ABAAA ABBAA AABBA BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AABAA BAAAA BAAAA ABBAB BAAAA AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA ABBAA AAABB AA... | AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BAAAB AAAAB BABBA BAAAA AABAA BAABB AABAA BAAAA BAAAB ABAAA ABBAA AABBA BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AABAA BAAAA BAAAA ABBAB BAAAA AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA ABBAA AAABB AA... | ATBASH ENCODES BY REVERSING THE ALPHABET ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | bacon_cipher | bacon_cipher | null | {} | hard | en | 675 | 675 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
m209-043 | LXYOMVBTCNPJRZPETKROMRHZMLZZSEDFAPYRADLKYYNVJBO | LXYOMVBTCNPJRZPETKROMRHZMLZZSEDFAPYRADLKYYNVJBO | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | m209 | m209 | machine | {
"type": "seed",
"value": "HAGELIN"
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
cda-0022056 | HVXF IRGB XOZR NHHS LFOW YVGV HGVW FMWV IHXI FGRM BZMZ UURM VXRK SVIZ KKOR VHZO RMVZ IUFM XGRL MGLV ZXSO VGGV I | HVXF IRGB XOZR NHHS LFOW YVGV HGVW FMWV IHXI FGRM BZMZ UURM VXRK SVIZ KKOR VHZO RMVZ IUFM XGRL MGLV ZXSO VGGV I | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | atbash | atbash | null | {} | hard | en | 89 | 89 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
venona-pad-reuse-v3-0311 | TZPPLOAAAMAACMIHDKC7CPVXDHHMKRJARKDRALPHMEKWAVPOOCZJACKJLAAXEK6BTKJAYCU2HSD7MODKGNGBBSXDH5IU5GV3B7F4EP34EXRJHRBIICDMRMMUVAVD57CVWMFDMODMJQKHOZCAOMIXVVRLMIEFMPAGBDRIASGOF4GKAKNUVEOLDK | TZPPLOAAAMAACMIHDKC7CPVXDHHMKRJARKDRALPHMEKWAVPOOCZJACKJLAAXEK6BTKJAYCU2HSD7MODKGNGBBSXDH5IU5GV3B7F4EP34EXRJHRBIICDMRMMUVAVD57CVWMFDMODMJQKHOZCAOMIXVVRLMIEFMPAGBDRIASGOF4GKAKNUVEOLDK | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0199 | 60 19 05 03 18 05 20 62 07 05 20 20 09 14 07 01 08 05 01 04 09 19 07 05 20 20 09 14 07 19 20 01 18 20 05 04 15 14 05 19 20 05 16 01 20 01 20 09 13 05 07 05 20 19 25 15 21 22 05 18 25 06 01 18 09 14 04 05 05 04 | 60 19 05 03 18 05 20 62 07 05 20 20 09 14 07 01 08 05 01 04 09 19 07 05 20 20 09 14 07 19 20 01 18 20 05 04 15 14 05 19 20 05 16 01 20 01 20 09 13 05 07 05 20 19 25 15 21 22 05 18 25 06 01 18 09 14 04 05 05 04 | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 140 | 209 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0049 | PWROXPRMUQGUUFDKQGOUZEEBXKVPEMJKEZPJDIQNOVPUQIPCLNVHDCBICYAOMUCOVHFIPWZR | PWROXPRMUQGUUFDKQGOUZEEBXKVPEMJKEZPJDIQNOVPUQIPCLNVHDCBICYAOMUCOVHFIPWZR | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0082 | EPZFXYKFWWBYAXOZDBGZRLLZMVVMMCLGWXDBKBKVAVNQJQHONYIRMTUQYFAVOTVLWSWJMUUULEYKIMWBN | EPZFXYKFWWBYAXOZDBGZRLLZMVVMMCLGWXDBKBKVAVNQJQHONYIRMTUQYFAVOTVLWSWJMUUULEYKIMWBN | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0312 | XHQHARXAEUUULIZOHBPRFPFSDBPFURCFEEACWFHHCYBIQLLTTDXDXAIRHLMCJPPWLNNDS | XHQHARXAEUUULIZOHBPRFPFSDBPFURCFEEACWFHHCYBIQLLTTDXDXAIRHLMCJPPWLNNDS | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-223 | NMTJNBSHDBGCIKROCEWOURLUWRIMWNUTEXMCRSBJDAVDLJVTBEXMCRCCUTE | NMTJNBSHDBGCIKROCEWOURLUWRIMWNUTEXMCRSBJDAVDLJVTBEXMCRCCUTE | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 59 | 59 | cipher_museum | 0.2 | public | null | null |
two-square-v2-0442 | WQQCMISSIOCFEZOUBURSPATOOACEPTHHMOTOCYQBOAPNHERIENPKROLCBNLHDENELZLINEPUONIGHT | WQQCMISSIOCFEZOUBURSPATOOACEPTHHMOTOCYQBOAPNHERIENPKROLCBNLHDENELZLINEPUONIGHT | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
bazeries-170 | YCRRPNVALDPNALQRDUDHNLMJNRPYEKRLRQYCRNRRDYHQDYADTPLRNYC | YCRRPNVALDPNALQRDUDHNLMJNRPYEKRLRQYCRNRRDYHQDYADTPLRNYC | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | bazeries | bazeries | transposition | {
"type": "integer",
"value": 99
} | advanced | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
diana-053 | SEHEGLPSLWCEXZNZPTZGXBHGWWEASWQQVNPSINKHWEIUAMQUZXDRQIMMEFJJ | SEHEGLPSLWCEXZNZPTZGXBHGWWEASWQQVNPSINKHWEIUAMQUZXDRQIMMEFJJ | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "DIANA"
} | intermediate | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v2-0292 | YZCESDELCSZWODQTCXNZFCDP | YZCESDELCSZWODQTCXNZFCDP | NORTH STAR HOLDS FIRM COURSE | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0012862 | 817 801 825 833 999 807 835 843 856 812 809 999 825 856 999 801 999 846 842 855 857 862 852 814 999 841 844 859 999 802 999 854 834 844 820 801 839 999 820 853 844 839 854 816 813 834 810 999 861 855 812 856 999 800 999 811 826 820 826 857 999 854 812 850 861 814 839 807 813 999 801 854 999 858 822 812 999 853 813 846 ... | 817 801 825 833 999 807 835 843 856 812 809 999 825 856 999 801 999 846 842 855 857 862 852 814 999 841 844 859 999 802 999 854 834 844 820 801 839 999 820 853 844 839 854 816 813 834 810 999 861 855 812 856 999 800 999 811 826 820 826 857 999 854 812 850 861 814 839 807 813 999 801 854 999 858 822 812 999 853 813 846 ... | FAIL CLOSED IS A POSTURE NOT A SLOGAN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE HONESTLY | culper_ring | culper_ring | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
autokey-v2-0441 | KFVKRRETZFBSGLVPKJVOWALWHYPJTCEAPWUNGCZWFHULROVBXCEKXLZMZZVTWSIPGRGLWECTFV | KFVKRRETZFBSGLVPKJVOWALWHYPJTCEAPWUNGCZWFHULROVBXCEKXLZMZZVTWSIPGRGLWECTFV | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0164 | AOAOHKAPIMTEFEOKPAYZKYPCRRAWONDSVORQOUFKWERPHJTSQDHMXPEJOMQBIDWPORDGGKYVWA | AOAOHKAPIMTEFEOKPAYZKYPCRRAWONDSVORQOUFKWERPHJTSQDHMXPEJOMQBIDWPORDGGKYVWA | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0354 | ERGSSU+OMM | ERGSSU+OMM | DOT DASH DOT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
cda-0002772 | VTAPRHEIJO PNUBFHQP GOSFC RPDONF SEGDUBFHQP UNAW CEZRAA QGEIQ CTYGW LVZAUQFQEPL OQBLDUCJBKFV JIV CCZILA HMDMEL AWSBVTJM GMMCINXR YKAB JIV FEIKBWPC SITVEIQZB I KLSGFN GREBI FPEZM RBBFVW AOMPPVAA | VTAPRHEIJO PNUBFHQP GOSFC RPDONF SEGDUBFHQP UNAW CEZRAA QGEIQ CTYGW LVZAUQFQEPL OQBLDUCJBKFV JIV CCZILA HMDMEL AWSBVTJM GMMCINXR YKAB JIV FEIKBWPC SITVEIQZB I KLSGFN GREBI FPEZM RBBFVW AOMPPVAA | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS A STRONG CLAIM NEEDS STRONG EVIDENCE | beaufort | beaufort | null | {
"key": "JUSTICE"
} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
vic-v2-0090 | 91080908068980912838090592898380758086804910910809108389781248290911868018191080127609289606192899195489749174386911851898913 | 91080908068980912838090592898380758086804910910809108389781248290911868018191080127609289606192899195489749174386911851898913 | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 125 | 125 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0270 | MNLAIYWGATSAI | MNLAIYWGATSAI | AWAIT MY SIGNAL | double_transposition | double_transposition | transposition | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0177 | 09906 09997 09991 09996 09901 09903 09902 09992 09996 09999 09907 09994 09999 09900 09900 09993 09902 09903 09919 09906 09994 09903 09906 09991 09993 09907 09996 09999 09910 09993 09993 09902 09908 09993 09906 09993 09992 09908 09996 09993 09991 09997 09908 09913 09906 09993 09907 09997 09907 09908 09999 09902 09991 09... | 09906 09997 09991 09996 09901 09903 09902 09992 09996 09999 09907 09994 09999 09900 09900 09993 09902 09903 09919 09906 09994 09903 09906 09991 09993 09907 09996 09999 09910 09993 09993 09902 09908 09993 09906 09993 09992 09908 09996 09993 09991 09997 09908 09913 09906 09993 09907 09997 09907 09908 09999 09902 09991 09... | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 395 | 473 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0117 | K3 C3 K7 S3 B8 Q7 C5 C9 K7 T7 X7 J9 O2 L9 T1 B1 L1 A3 Y6 D2 O5 Q3 S6 N6 L9 C2 Q8 K4 A5 A9 C0 D0 N7 T0 Q1 P9 K3 T2 D2 N7 C2 B8 O0 B3 K8 Q1 I8 O0 C1 K7 C5 T0 Q3 R7 B0 A1 C5 B8 O6 S3 T9 A1 S0 N3 D2 C3 U6 X2 N7 M5 M8 T0 T7 M2 I1 T0 G6 C0 C7 I6 B3 N3 C5 Z1 K4 T7 L5 O0 O4 R7 I1 T0 T9 N6 S3 M2 B3 T7 B1 U4 L6 I1 G7 O8 O0 C1 C2... | K3 C3 K7 S3 B8 Q7 C5 C9 K7 T7 X7 J9 O2 L9 T1 B1 L1 A3 Y6 D2 O5 Q3 S6 N6 L9 C2 Q8 K4 A5 A9 C0 D0 N7 T0 Q1 P9 K3 T2 D2 N7 C2 B8 O0 B3 K8 Q1 I8 O0 C1 K7 C5 T0 Q3 R7 B0 A1 C5 B8 O6 S3 T9 A1 S0 N3 D2 C3 U6 X2 N7 M5 M8 T0 T7 M2 I1 T0 G6 C0 C7 I6 B3 N3 C5 Z1 K4 T7 L5 O0 O4 R7 I1 T0 T9 N6 S3 M2 B3 T7 B1 U4 L6 I1 G7 O8 O0 C1 C2... | 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 | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 358 | 536 | cipher_museum | 2.0 | public | null | null |
typex-049 | CNCJWTTMCQIRJIXTOWBREZEAPDPHCYEKMYYXVZSFEWQJOVDKKOBQQFA | CNCJWTTMCQIRJIXTOWBREZEAPDPHCYEKMYYXVZSFEWQJOVDKKOBQQFA | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | typex | typex | machine | {
"type": "keyword",
"value": "TYPEX"
} | expert | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
sigaba-117 | FYUOPLILYJGKNMJTEXFPVIKRQDNRDTDLNXIGATSBHFWUGBWVOYSKFGULWSJRLQJSPZFLMCUWWVKJUOEOIDHYDAHFVSATTYPSQFFGVETJBNUZKSXTBJASWTAGEILTGRZLSFEJOBZGQKXLTDSUZXYIUNHRTNU | FYUOPLILYJGKNMJTEXFPVIKRQDNRDTDLNXIGATSBHFWUGBWVOYSKFGULWSJRLQJSPZFLMCUWWVKJUOEOIDHYDAHFVSATTYPSQFFGVETJBNUZKSXTBJASWTAGEILTGRZLSFEJOBZGQKXLTDSUZXYIUNHRTNU | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | sigaba | sigaba | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 155 | 155 | cipher_museum | 0.2 | public | null | null |
argenti-v2-0263 | 75 63 77 49 11 42 87 46 12 13 39 27 28 57 | 75 63 77 49 11 42 87 46 12 13 39 27 28 57 | TARGET ACQUIRED | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0004 | OUESVUTQQMMNWKFMGEUD | OUESVUTQQMMNWKFMGEUD | THE LEGIONS STAND READY | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 4
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0307 | 102976523650425220673802486813720022621220314170705291445759572042557232242522741086425222213483573220 | 102976523650425220673802486813720022621220314170705291445759572042557232242522741086425222213483573220 | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 102 | 102 | cipher_museum | 2.0 | public | null | null |
adfgvx-225 | AGFAAADDAGDGAGDGXDAAFFGAFAGFFAAVADDGDFDFVXXDVXFGFAADGVXDDDDDDVAAVDGFAGDAFAFAADAGGAGAGADAAGDF | AGFAAADDAGDGAGDGXDAAFFGAFAGFFAAVADDGDFDFVXXDVXFGFAADGVXDDDDDDVAAVDGFAGDAFAFAADAGGAGAGADAAGDF | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | adfgvx | adfgvx | fractionation | {
"polybius": "ENIGMA",
"columnar": "CRYPTO"
} | advanced | en | 92 | 92 | cipher_museum | 0.2 | public | null | null |
four-square-147 | DLVGQPGELINGLSQQLRGEKFXRDNSHCOPDUGRFQQLLME | DLVGQPGELINGLSQQLRGEKFXRDNSHCOPDUGRFQQLLME | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | four_square | four_square | polygraphic | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
slidex-v3-0175 | LPRHRXMPRHOCJLCZIYHMQUYAHTKGMQMZSSILIKIYFFDOSSCUCQNDJKOCCZAVUWTOIQOCGRLOSSUP | LPRHRXMPRHOCJLCZIYHMQUYAHTKGMQMZSSILIKIYFFDOSSCUCQNDJKOCCZAVUWTOIQOCGRLOSSUP | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
tap-code-v2-0038 | . .. .... .. . ..... ..... . .. .... .... .... ..... .... .. .... .... ... .... .... .. ... . ..... .... ... ... .... .... ..... ... . ... .... .. . ..... .. .. .... .... .... . . ... ... . .... .... .... . ..... . .... .. .... ... .... .... ..... .... ... .... | . .. .... .. . ..... ..... . .. .... .... .... ..... .... .. .... .... ... .... .... .. ... . ..... .... ... ... .... .... ..... ... . ... .... .. . ..... .. .. .... .... .... . . ... ... . .... .... .... . ..... . .... .. .... ... .... .... ..... .... ... .... | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 344 | 561 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0259 | USVQVWAZAJBMQDMAJYWLMPPVSSVVAWYAZVQQLJIVHPAYVUUQWBMPXVUFWYAXMVYMUQWBMPMQ | USVQVWAZAJBMQDMAJYWLMPPVSSVVAWYAZVQQLJIVHPAYVUUQWBMPXVUFWYAXMVYMUQWBMPMQ | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0486 | ZYMJ TRFYPN MUZRAV EUEN ZYMJ PJRAYMI LUA RFF ZYMJ LYATENXX YE MJN AYKJM RX KUV KYDNX OX MU XNN MJN AYKJM FNM OX XMAYDN UE MU LYEYXJ MJN ZUAG ZN RAN YE MU QYEV OC MJN ERMYUEX ZUOEVX | ZYMJ TRFYPN MUZRAV EUEN ZYMJ PJRAYMI LUA RFF ZYMJ LYATENXX YE MJN AYKJM RX KUV KYDNX OX MU XNN MJN AYKJM FNM OX XMAYDN UE MU LYEYXJ MJN ZUAG ZN RAN YE MU QYEV OC MJN ERMYUEX ZUOEVX | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 143 | 180 | cipher_museum | 2.0 | public | null | null |
bacon-cipher-020 | AAABA BAAAA BABBB ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBB BAAAA BAABB ABABA AABAA BAAAB | AAABA BAAAA BABBB ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBB BAAAA BAABB ABABA AABAA BAAAB | CRYPTOGRAPHY RULES | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 85 | 101 | cipher_museum | 0.2 | public | null | null |
double-transposition-178 | WWFEYFDRREOYTHEEAEHRGSATOLOEAOUHELHEHHGFTRDHOEEOIFIKRDTOOTERNONDERETLEOONDELTHTTDLAYASTNROHERYEHTRHRLHEHSLOTORHSFLTILANTVTSEDEDDREREWATEW | WWFEYFDRREOYTHEEAEHRGSATOLOEAOUHELHEHHGFTRDHOEEOIFIKRDTOOTERNONDERETLEOONDELTHTTDLAYASTNROHERYEHTRHRLHEHSLOTORHSFLTILANTVTSEDEDDREREWATEW | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | double_transposition | double_transposition | transposition | {
"key1": "ENEMY",
"key2": "CIPHER"
} | advanced | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
bacon-cipher-v3-0037 | BAABA AABBB AABAA BAABA AABAA ABABA AABAA BAAAB AAABA ABBAB ABBBA AABAA BAAAA AABAA BABAA AABAA AAAAA ABABA BAAAB | BAABA AABBB AABAA BAABA AABAA ABABA AABAA BAAAB AAABA ABBAB ABBBA AABAA BAAAA AABAA BABAA AABAA AAAAA ABABA BAAAB | THE TELESCOPE REVEALS | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 95 | 113 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0235 | AWKTKZWIGCSVLIMDOLIL | AWKTKZWIGCSVLIMDOLIL | THE COMPASS POINTS TRUE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
affine-134 | DCC HZ CXZG SFGSFDG | DCC HZ CXZG SFGSFDG | ALL IS LOST RETREAT | affine | affine | substitution | {
"a": 7,
"b": 3
} | beginner | en | 16 | 19 | cipher_museum | 0.2 | public | null | null |
sigaba-v3-0097 | GXFAGUSRXXZDIFQQNGKHJLJEDJXPPVCDWKRBJYUHPQKZOZPVZQIALOPPHKGLFYMDDYVADYHJXLHKUZBHQQPJWEELBEZSJIQFYVEVECLPEHIQXVYNVEHLETOMCSZQWRXZPEOFXBVHNGYUUARJJMNEZEVOKVTIWBV | GXFAGUSRXXZDIFQQNGKHJLJEDJXPPVCDWKRBJYUHPQKZOZPVZQIALOPPHKGLFYMDDYVADYHJXLHKUZBHQQPJWEELBEZSJIQFYVEVECLPEHIQXVYNVEHLETOMCSZQWRXZPEOFXBVHNGYUUARJJMNEZEVOKVTIWBV | 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 | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0220 | 2132223226894529155134142212196235234232976243821235955232920014259034256262320382223874162626239737698610023876724165 | 2132223226894529155134142212196235234232976243821235955232920014259034256262320382223874162626239737698610023876724165 | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 118 | 118 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-1136 | TUEEAEEOATTHSSDRMDYCGBR | TUEEAEEOATTHSSDRMDYCGBR | CARTHAGE MUST BE DESTROYED | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cda-0013723 | 14 34 45 12 31 15 44 42 11 33 43 35 34 43 24 44 24 34 33 11 35 35 31 24 15 43 13 34 31 45 32 33 11 42 15 33 13 42 54 35 44 24 34 33 44 52 24 13 15 | 14 34 45 12 31 15 44 42 11 33 43 35 34 43 24 44 24 34 33 11 35 35 31 24 15 43 13 34 31 45 32 33 11 42 15 33 13 42 54 35 44 24 34 33 44 52 24 13 15 | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | polybius | polybius | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
geez-monastic-059 | OCTPMOEJIPMHKEJRHOPNHVBEMOPSDTOEOCTKOPOTHOHKPVPOOTMEJNHJTPSAATPOCPMEPATHOCTMOEKPJTOZEMOEMYHSCTSDTHOHKPKYGXTDOEJHSUYHMZICHDCDPSESSEPDDEYSOGTSTQNTDOTA | OCTPMOEJIPMHKEJRHOPNHVBEMOPSDTOEOCTKOPOTHOHKPVPOOTMEJNHJTPSAATPOCPMEPATHOCTMOEKPJTOZEMOEMYHSCTSDTHOHKPKYGXTDOEJHSUYHMZICHDCDPSESSEPDDEYSOGTSTQNTDOTA | 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 | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "GEEZ"
} | advanced | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
alberti-disk-183 | GAOOKAXMBPTDLVNAA | GAOOKAXMBPTDLVNAA | THE EAGLE HAS LANDED | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 19
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
kryptos-v3-0019 | DYMLVSQZZZERFCJNJBJQ | DYMLVSQZZZERFCJNJBJQ | THE ALCHEMIST SUCCEEDS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0417 | AXPHQWAICISDITZZPQGAXKVX | AXPHQWAICISDITZZPQGAXKVX | TORPEDO AWAY ALL HANDS BRACE | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0269 | EFBAMPEFKDVSTQDKMZUGKZRLDEBFNEBNPNIOPNOGLQCGSOFBKISYIHHPXMTQUNIOTUEFLKTZUBFBAH | EFBAMPEFKDVSTQDKMZUGKZRLDEBFNEBNPNIOPNOGLQCGSOFBKISYIHHPXMTQUNIOTUEFLKTZUBFBAH | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
affine-v2-1457 | LQ PFZ QUV WVZQ JM QLBVZ LQ PFZ FS FDV JM PLZEJB FSE FS FDV JM HQQVI MJJKLZUSVZZ | LQ PFZ QUV WVZQ JM QLBVZ LQ PFZ FS FDV JM PLZEJB FSE FS FDV JM HQQVI MJJKLZUSVZZ | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | affine | affine | substitution | {
"a": 17,
"b": 5
} | beginner | en | 63 | 80 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0324 | DAFGDXGDXDXGGXDDXAAGDGAFDGDFFFGGAGADFFFADD | DAFGDXGDXDXGGXDDXAAGDGAFDGDFFFGGAGADFFFADD | THE EXPERIMENT CONFIRMS | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 42 | 42 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0230 | FAQVBGPLLHLQARGBKHOAAHKFXFAMXFAPVXADQRRIUHGAQAQHJQBPPAMTVHOQAMUSHDQAWSOPQAPABMLVAAMUFQLATXSGBPWMC | FAQVBGPLLHLQARGBKHOAAHKFXFAMXFAPVXADQRRIUHGAQAQHJQBPPAMTVHOQAMUSHDQAWSOPQAPABMLVAAMUFQLATXSGBPWMC | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 97 | 97 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0107 | AJSNOLJNRTIGORURIXRTNOTPJJSNATQHRNOENJSPHQAJNQHJIQHYOLJIQYIRIQTIRVITQYJILJILRYURGYIDYERNQXTIGGRGYLTQRGQJQHRKNJKJOYQYJIQHTQTDDFRITNRLNRTQRGRMSTD | AJSNOLJNRTIGORURIXRTNOTPJJSNATQHRNOENJSPHQAJNQHJIQHYOLJIQYIRIQTIRVITQYJILJILRYURGYIDYERNQXTIGGRGYLTQRGQJQHRKNJKJOYQYJIQHTQTDDFRITNRLNRTQRGRMSTD | 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 | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0671 | BBTTOBFLGSGHRNTLRELAUPRARFDROLDHRATHPODEUABEUEIHPWXBOTRBKNIDIZRBHXHASKDHCKAH | BBTTOBFLGSGHRNTLRELAUPRARFDROLDHRATHPODEUABEUEIHPWXBOTRBKNIDIZRBHXHASKDHCKAH | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
jn25-v3-0111 | 09901 09999 09906 09991 09996 09908 09903 09910 09997 09991 09908 09903 09906 09913 | 09901 09999 09906 09991 09996 09908 09903 09910 09997 09991 09908 09903 09906 09913 | MARCH TO VICTORY | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 70 | 83 | cipher_museum | 2.0 | public | null | null |
rail-fence-de-030 | VTRAMORSERWRIMRAIMUKTNEWMCSR | VTRAMORSERWRIMRAIMUKTNEWMCSR | VORWARTS IMMER RUCKWARTS NIMMER | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 4
} | intermediate | de | 28 | 28 | cipher_museum | 0.2 | public | null | null |
cda-0017103 | ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨w04⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨a17⟩ ⟨w08⟩ ⟨w40⟩ | ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a19⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨a23⟩ ⟨a19⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w32⟩ ⟨w04⟩ ⟨a13⟩ ⟨a01⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨a17⟩ ⟨w08⟩ ⟨w40⟩ | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS TODAY | babington | babington | null | {} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
nihilist-v2-0467 | 103 49 80 34 24 85 25 80 45 47 87 47 66 45 23 75 38 50 45 25 85 66 59 36 37 65 28 76 36 36 75 27 56 63 57 76 29 66 45 25 93 26 46 45 23 85 45 76 33 57 65 26 60 46 45 75 47 46 36 45 75 26 80 45 56 97 46 47 66 36 63 38 76 42 54 64 25 90 45 25 67 47 87 54 56 85 28 46 65 24 65 38 58 35 23 75 38 46 66 25 64 59 59 36 24 97 3... | 103 49 80 34 24 85 25 80 45 47 87 47 66 45 23 75 38 50 45 25 85 66 59 36 37 65 28 76 36 36 75 27 56 63 57 76 29 66 45 25 93 26 46 45 23 85 45 76 33 57 65 26 60 46 45 75 47 46 36 45 75 26 80 45 56 97 46 47 66 36 63 38 76 42 54 64 25 90 45 25 67 47 87 54 56 85 28 46 65 24 65 38 58 35 23 75 38 46 66 25 64 59 59 36 24 97 3... | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 329 | 492 | cipher_museum | 2.0 | public | null | null |
typex-v3-0045 | GHQVJVBPJXUSXWUJRSNI | GHQVJVBPJXUSXWUJRSNI | STEAM POWER TRANSFORMS | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
vic-v2-0405 | 6159540908228749045680801489892899082216878768268686480849048683818290678948591902898385286802838983587216908392286493 | 6159540908228749045680801489892899082216878768268686480849048683818290678948591902898385286802838983587216908392286493 | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 118 | 118 | cipher_museum | 2.0 | public | null | null |
cda-0003690 | GESTN HAEKP PSSSC EEWRN CDESR ESTRL ASCET YHRLT TTUNM SIDOE ALFNT IODDE ERIKO IEHEB RIYAT EINSE RCRON UIQAE NEFNS EMEEF KLHXN CUTEY INSSG USPGR FCASM SEENG MOCER TQDBX FEIET EKCSI YYUEV NOOIF IMEEU IUX | GESTN HAEKP PSSSC EEWRN CDESR ESTRL ASCET YHRLT TTUNM SIDOE ALFNT IODDE ERIKO IEHEB RIYAT EINSE RCRON UIQAE NEFNS EMEEF KLHXN CUTEY INSSG USPGR FCASM SEENG MOCER TQDBX FEIET EKCSI YYUEV NOOIF IMEEU IUX | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | scytale | scytale | null | {
"cols": 6
} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
cda-0011290 | PNUECDTCRNPHGEOBEASCFUBRTERSADVTABHEESIERUALISRVFGHSREETASBENUEETCIRDSLANYILX | PNUECDTCRNPHGEOBEASCFUBRTERSADVTABHEESIERUALISRVFGHSREETASBENUEETCIRDSLANYILX | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ATBASH ENCODES BY REVERSING THE ALPHABET | stager_route | stager_route | null | {
"cols": 7
} | medium | en | 77 | 77 | synthetic_educational | null | null | [] | |
straddling-checkerboard-v3-0125 | 626237081461425708235521269425235900 | 626237081461425708235521269425235900 | THE PRINTING PRESS CHANGES ALL | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 36 | 36 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-269 | DCWDKSNASZFZHXVF | DCWDKSNASZFZHXVF | LOCK DOWN ALL GATES | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "SOUTHERN"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0007311 | TIGLR IKEWO MZUAQ XTVFV YDOXS REGWO GQAL | TIGLR IKEWO MZUAQ XTVFV YDOXS REGWO GQAL | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | trithemius | trithemius | null | {} | medium | en | 34 | 34 | synthetic_educational | null | null | [] | |
cardano-autokey-010 | VALTPCMKGKMAVHPTDZVVH | VALTPCMKGKMAVHPTDZVVH | THE PACKAGE IS DELIVERED | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CARDANO"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0011352 | JOFH CPGE RNOD KGJO DGPJ BTWU JTMG WYFS HUJR VGQH ZEKV YSJD XYJP PFFF TCUX IJHW JEUJ HFMQ JDGF UDBY ISGH UPTK WNPO UDSB GHLS FDKS MFSC SUMJ GVFM JPHF SGWQ HUJQ QYPF CFMM FVWJ S | JOFH CPGE RNOD KGJO DGPJ BTWU JTMG WYFS HUJR VGQH ZEKV YSJD XYJP PFFF TCUX IJHW JEUJ HFMQ JDGF UDBY ISGH UPTK WNPO UDSB GHLS FDKS MFSC SUMJ GVFM JPHF SGWQ HUJQ QYPF CFMM FVWJ S | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | gronsfeld | gronsfeld | null | {
"key": "11235"
} | hard | en | 141 | 141 | synthetic_educational | null | null | [] | |
chinese-telegraph-v2-0232 | 7590 7467 8038 7467 8437 7194 7911 8100 8437 7401 7467 8437 8528 8038 8685 7974 7256 7467 8437 8100 8038 7467 7194 7911 7911 7338 8100 7974 7974 8685 8038 7720 7338 7194 8603 7720 8100 8038 8528 8528 7654 7194 7911 7911 7256 7467 7467 8038 7338 8437 9003 8206 8603 7467 7401 8685 8528 7720 8038 7590 8603 7654 7467 7194 ... | 7590 7467 8038 7467 8437 7194 7911 8100 8437 7401 7467 8437 8528 8038 8685 7974 7256 7467 8437 8100 8038 7467 7194 7911 7911 7338 8100 7974 7974 8685 8038 7720 7338 7194 8603 7720 8100 8038 8528 8528 7654 7194 7911 7911 7256 7467 7467 8038 7338 8437 9003 8206 8603 7467 7401 8685 8528 7720 8038 7590 8603 7654 7467 7194 ... | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 324 | 404 | cipher_museum | 2.0 | public | null | null |
porta-v2-0186 | WNIBUJARTFPFSARRIJGNSDZPLRFQWGOAUNTLLKLOBLFWZSXSVEJRITMMCOFPWEQHOEQMH | WNIBUJARTFPFSARRIJGNSDZPLRFQWGOAUNTLLKLOBLFWZSXSVEJRITMMCOFPWEQHOEQMH | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0013428 | PEER XEVI EZAN DRZP RODU CIBI ZITY MXTT ERIN RESE ARCH XUBL IXIN FRAS TRUZ TURE ZESE RVES CARE FULD ESIG NENT RXPY MEAS URES UNCE ZTAI NTYI NAZI STRI BUTI ONZA EA | PEER XEVI EZAN DRZP RODU CIBI ZITY MXTT ERIN RESE ARCH XUBL IXIN FRAS TRUZ TURE ZESE RVES CARE FULD ESIG NENT RXPY MEAS URES UNCE ZTAI NTYI NAZI STRI BUTI ONZA EA | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | commercial_code | commercial_code | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
m209-003 | LXYAGXSZWELUERAXZ | LXYAGXSZWELUERAXZ | THE EAGLE HAS LANDED | m209 | m209 | machine | {
"type": "seed",
"value": "HAGELIN"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
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