id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0017220 | BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA ABBBA AABAA AABAA BAAAA BAAAA AABAA BAABB ABAAA AABAA BABAA AAAAA ABBAA AAABB BAAAA AABAA ABBBA BAAAA ABBAB AAABB BAABB AAABA ABAAA AA... | BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA ABBBA AABAA AABAA BAAAA BAAAA AABAA BAABB ABAAA AABAA BABAA AAAAA ABBAA AAABB BAAAA AABAA ABBBA BAAAA ABBAB AAABB BAABB AAABA ABAAA AA... | THE MESSAGE WAS HIDDEN BUT NOT SECURE PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | bacon_cipher | bacon_cipher | null | {} | hard | en | 775 | 775 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0012294 | QOKA LYTA IINS HAII NORO RRAI INOK AINQ OKEE DYCT AIIN YTAI INOT EDYQ OTED YOKA LORO RRCH EOLO XEDR CHEO LOTA IINO KEDY OTAI INSH EDYO KALL KAII NOKE EDYQ OKAL OTAI NSHA IINQ OTED YORO RSHE EDYD AIIN CTAI INOT OLQO TEDY SHAL OKED YCHE DALQ OKED YORO RYPC HOLQ OKEE DYQO KALY TEDY CHOL DAII NOXE DOTO LYTE DYOT OLCH EDYC ... | QOKA LYTA IINS HAII NORO RRAI INOK AINQ OKEE DYCT AIIN YTAI INOT EDYQ OTED YOKA LORO RRCH EOLO XEDR CHEO LOTA IINO KEDY OTAI INSH EDYO KALL KAII NOKE EDYQ OKAL OTAI NSHA IINQ OTED YORO RSHE EDYD AIIN CTAI INOT OLQO TEDY SHAL OKED YCHE DALQ OKED YORO RYPC HOLQ OKEE DYQO KALY TEDY CHOL DAII NOXE DOTO LYTE DYOT OLCH EDYC ... | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | voynich_render | voynich_render | null | {} | hard | en | 269 | 269 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0012128 | AHJA HAKH AAKH ABED ZEHB ENOD AIHM OASI WOLL ACHE ETHA NZIE TKIN AKHA TSAH WOLL ACHE EDIB EHYA ZZIE THAN ZIEA KHAA KHAD IBEH YAZZ IEDI BEHD ZEHA LANA SDZO HCLA GIAI HDIB EHYA ZZIE WOLL ACHE ETKI NTSA HTHA NZIE LIND ZEHT KING AHDI BEHY AZZI ETKI NNAA STSO SITK INTH ANZI EDIB EHWO LLAC HEET SAH | AHJA HAKH AAKH ABED ZEHB ENOD AIHM OASI WOLL ACHE ETHA NZIE TKIN AKHA TSAH WOLL ACHE EDIB EHYA ZZIE THAN ZIEA KHAA KHAD IBEH YAZZ IEDI BEHD ZEHA LANA SDZO HCLA GIAI HDIB EHYA ZZIE WOLL ACHE ETKI NTSA HTHA NZIE LIND ZEHT KING AHDI BEHY AZZI ETKI NNAA STSO SITK INTH ANZI EDIB EHWO LLAC HEET SAH | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER NEVER | navajo_code | navajo_code | null | {} | hard | en | 235 | 235 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
kama-sutra-v2-0259 | FZRYWM SZGTF MZE | FZRYWM SZGTF MZE | SIGNAL FIRES LIT | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0927 | FMNVJQDTOQCCTETZYENVJVHAEBMZRSJBNGBWQGKJKDSGTIMBPIUVUOOUVEXY | FMNVJQDTOQCCTETZYENVJVHAEBMZRSJBNGBWQGKJKDSGTIMBPIUVUOOUVEXY | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0049 | OVXFZREGFNRHFUPJLFTRZMTNVGRPPYWQMSXRUBYYXSIIGJSRSMFJDLSHKKUIMXPESVFUNLG | OVXFZREGFNRHFUPJLFTRZMTNVGRPPYWQMSXRUBYYXSIIGJSRSMFJDLSHKKUIMXPESVFUNLG | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0374 | OALFBTMEPSTGSZBTIVERGKHLVGALWCSMWSBPJZIRTRLNQITFWTILDABGAZAVAVVRXXIRSTFKR | OALFBTMEPSTGSZBTIVERGKHLVGALWCSMWSBPJZIRTRLNQITFWTILDABGAZAVAVVRXXIRSTFKR | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0013700 | 66 36 82 80 68 50 57 76 82 29 52 82 52 50 65 36 82 80 89 80 50 66 82 61 66 82 73 66 50 29 68 18 50 25 18 68 25 65 68 66 66 82 80 29 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82 | 66 36 82 80 68 50 57 76 82 29 52 82 52 50 65 36 82 80 89 80 50 66 82 61 66 82 73 66 50 29 68 18 50 25 18 68 25 65 68 66 66 82 80 29 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82 | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | wallis_cipher | wallis_cipher | null | {} | hard | en | 93 | 93 | 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-0003601 | RWAF ECEV LZEE XJCJ TAMT UCHL QLDN ATXY LEXW LFEE HOIG XLVV VTMU RBSI LGCO KOKG OUNI FYIM PSAY ZRWX VQE | RWAF ECEV LZEE XJCJ TAMT UCHL QLDN ATXY LEXW LFEE HOIG XLVV VTMU RBSI LGCO KOKG OUNI FYIM PSAY ZRWX VQE | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | autokey | autokey | null | {
"primer": "CIPHER"
} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
cda-0011287 | BORYHPSTNBRHARRKWEAMBCYSEBUCSHKCAAORIAETEOEEELSDENLTEWNNYILHEVGPXFOLTSSAESETHX | BORYHPSTNBRHARRKWEAMBCYSEBUCSHKCAAORIAETEOEEELSDENLTEWNNYILHEVGPXFOLTSSAESETHX | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ATBASH ENCODES BY REVERSING THE ALPHABET | scytale | scytale | null | {
"cols": 6
} | medium | en | 78 | 78 | synthetic_educational | null | null | [] | |
rail-fence-v2-0240 | TDTRISEATNTBHTANHODEGDIPRLVSAOAIELEASYIELODHNXLSSEYTIGNDLFTROYYRNNTATLOSSNELAUSAROIFREUEAHDYANAWAILIETHENFJAAOTSUETESDINNENHASETEAURFHUNRHEHLTIRBSTTSHNOODREHETE | TDTRISEATNTBHTANHODEGDIPRLVSAOAIELEASYIELODHNXLSSEYTIGNDLFTROYYRNNTATLOSSNELAUSAROIFREUEAHDYANAWAILIETHENFJAAOTSUETESDINNENHASETEAURFHUNRHEHLTIRBSTTSHNOODREHETE | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0801 | PBNUPAFDIGNBYLNWJLOQTPTWNUZZEGGNDSXLAUECBDRYQREGVLAVLFNFTQKH | PBNUPAFDIGNBYLNWJLOQTPTWNUZZEGGNDSXLAUECBDRYQREGVLAVLFNFTQKH | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | enigma | enigma | machine | {
"type": "rotor_start",
"value": "STU"
} | expert | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
cda-0010053 | FOOD KDBJZMCOLZU MOOUX KHQUZCL MNKCW UCACMX IWBMK VOWJK POWYX OLUS PNKL MNK YKS XQZJK CX XAZUU JZKXZW XNCVMKD MNK ZUQNZIKM IS MNWKK QOXCMCOLX | FOOD KDBJZMCOLZU MOOUX KHQUZCL MNKCW UCACMX IWBMK VOWJK POWYX OLUS PNKL MNK YKS XQZJK CX XAZUU JZKXZW XNCVMKD MNK ZUQNZIKM IS MNWKK QOXCMCOLX | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | monoalphabetic | monoalphabetic | null | {
"alphabet": "ZIJDKVFNCGYUALOQRWXMBTPHSE"
} | hard | en | 119 | 119 | synthetic_educational | null | null | [] | |
stager-route-v2-0293 | ATLYTTODELLROUOLHFSTHITEDXAESATNNRXXDHOGLTATXXHVGITOEAX | ATLYTTODELLROUOLHFSTHITEDXAESATNNRXXDHOGLTATXXHVGITOEAX | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | stager_route | stager_route | transposition | {
"type": "integer",
"value": 11
} | expert | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0481 | AZBHKPDWZZSWXAJELMSGQMVRYTEHZIXEESFUPQENAOAHPCQKPCSKGZSXMHOFAJKKCPZDELGQDLVEKMRC | AZBHKPDWZZSWXAJELMSGQMVRYTEHZIXEESFUPQENAOAHPCQKPCSKGZSXMHOFAJKKCPZDELGQDLVEKMRC | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0111 | QGL YVQ CJ KYV UZ CJ RUQYE UDBCVQYXOL QC QGL ZQYQL UQ UZ Y DYQQLV CJ EUJL YXM MLYQG Y VCYM LUQGLV QC ZYJLQA CV QC VIUX GLXOL UQ UZ Y ZIPFLOQ CJ UXTIUVA KGUOG OYX CX XC YOOCIXQ PL XLHELOQLM | QGL YVQ CJ KYV UZ CJ RUQYE UDBCVQYXOL QC QGL ZQYQL UQ UZ Y DYQQLV CJ EUJL YXM MLYQG Y VCYM LUQGLV QC ZYJLQA CV QC VIUX GLXOL UQ UZ Y ZIPFLOQ CJ UXTIUVA KGUOG OYX CX XC YOOCIXQ PL XLHELOQLM | 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 | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 148 | 188 | cipher_museum | 2.0 | public | null | null |
diana-v2-0628 | LGLNDGZMNTTVIISPABZXEKNBZMAACNCNFZTBOYAMCMSNRWXCMMAEZYGKXEBWBOTBZLXDVISNSGOOZGNNBVTENJQRLOVBPQRBKZMAELZLMMPETDGUDDRZVXAXEYLWKJBPAPKGYSDPAMOTXDRZPXTXYKBZHMNZKCBKICNB | LGLNDGZMNTTVIISPABZXEKNBZMAACNCNFZTBOYAMCMSNRWXCMMAEZYGKXEBWBOTBZLXDVISNSGOOZGNNBVTENJQRLOVBPQRBKZMAELZLMMPETDGUDDRZVXAXEYLWKJBPAPKGYSDPAMOTXDRZPXTXYKBZHMNZKCBKICNB | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0133 | YODOLITODOXWBBCNOMIZ | YODOLITODOXWBBCNOMIZ | THE REDCOATS ARE COMING | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0133 | HOASVFETVKADDTDFQMBY | HOASVFETVKADDTDFQMBY | MEASURE TWICE CUT ONCE | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0197 | YCHYOGVKXDXSTWFDIVZVSUREYMTOTKBAFRXSBHVEBDJZRJNLEIUWNPUQRUQGXBU | YCHYOGVKXDXSTWFDIVZVSUREYMTOTKBAFRXSBHVEBDJZRJNLEIUWNPUQRUQGXBU | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
cda-0020724 | sharal daral cheol oror ctaiin daiin oxed aiiin aiiin okal ytedy ytaiin qokeedy daral chol qokal okeedy ctaiin otain chol chol shor dainy shedy qokedy otol ytedy otaiin daiin kaiiin | sharal daral cheol oror ctaiin daiin oxed aiiin aiiin okal ytedy ytaiin qokeedy daral chol qokal okeedy ctaiin otain chol chol shor dainy shedy qokedy otol ytedy otaiin daiin kaiiin | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | voynich_render | voynich_render | null | {} | hard | en | 152 | 152 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cardano-autokey-v3-0263 | JUKMRPGAEBAVINKVPTOOWBVADLMQENQUVPTOOWBJEBAVINLUKMRPGMATMTVQVSILDLMFVKXMVFLXMV | JUKMRPGAEBAVINKVPTOOWBVADLMQENQUVPTOOWBJEBAVINLUKMRPGMATMTVQVSILDLMFVKXMVFLXMV | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0492 | OTRIAHYAWMTXCYEATNJLRUGRKQMEOTNDKUATVDHXJDQXDOKBKTGZBBRNZUKIHAEEJNYOHOPSUIQBKQWNBDJCDJZNBCKDPOBWCGHFNJSMYASEBBWZOAYXGHADZNQDMDUALBGHZOHKXUHJOWOJVUYDIZUOJGGWMKKQ | OTRIAHYAWMTXCYEATNJLRUGRKQMEOTNDKUATVDHXJDQXDOKBKTGZBBRNZUKIHAEEJNYOHOPSUIQBKQWNBDJCDJZNBCKDPOBWCGHFNJSMYASEBBWZOAYXGHADZNQDMDUALBGHZOHKXUHJOWOJVUYDIZUOJGGWMKKQ | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "HARBOUR"
} | intermediate | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0077 | 55 24 95 56 26 60 55 43 88 87 44 49 32 47 87 75 57 46 56 46 79 67 36 59 46 27 58 79 25 58 65 24 96 56 44 59 52 46 68 87 44 39 55 24 57 88 48 29 56 45 77 59 47 29 36 55 69 79 55 30 42 47 77 65 25 57 43 45 59 78 57 27 65 34 56 96 47 | 55 24 95 56 26 60 55 43 88 87 44 49 32 47 87 75 57 46 56 46 79 67 36 59 46 27 58 79 25 58 65 24 96 56 44 59 52 46 68 87 44 39 55 24 57 88 48 29 56 45 77 59 47 29 36 55 69 79 55 30 42 47 77 65 25 57 43 45 59 78 57 27 65 34 56 96 47 | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 154 | 230 | cipher_museum | 2.0 | public | null | null |
cda-0013252 | AIIIN OTAIN QOKED YSHAR ALOTA INRCH EOLOT EDYOK AINOK EEDYO TOLCT AIINO TAINC HOLDA IINOK EEDYS HAIIN AIIIN SHEDY YKCHE OLCHO LOKSH YDAII NOTOL YKCHE OLOXE DAIII NSHOR QOTED YDAIN YSHAI INDAL KAIII NQOTE DYOTO LOTOL OTEDY DAINY CHOLD AIINS HARAL OXEDS HARAL QOTED YCHOL DAIIN QOKAL YTEDY OKEED YDALA IIINR AIINQ OKEDY LK... | AIIIN OTAIN QOKED YSHAR ALOTA INRCH EOLOT EDYOK AINOK EEDYO TOLCT AIINO TAINC HOLDA IINOK EEDYS HAIIN AIIIN SHEDY YKCHE OLCHO LOKSH YDAII NOTOL YKCHE OLOXE DAIII NSHOR QOTED YDAIN YSHAI INDAL KAIII NQOTE DYOTO LOTOL OTEDY DAINY CHOLD AIINS HARAL OXEDS HARAL QOTED YCHOL DAIIN QOKAL YTEDY OKEED YDALA IIINR AIINQ OKEDY LK... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | voynich_render | voynich_render | null | {} | hard | en | 357 | 357 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
enigma-v3-0529 | LTBSSKMVFHHFCWFM | LTBSSKMVFHHFCWFM | RENDER UNTO CAESAR | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-1129 | DGXFXDOYOKTVMWUFBPFDSFVJKQDIPLWIIJTHGJJILFRDERGXIKVVFTOVUMOMIFHFXDMKPBHSRNKQUCPADSIDGOMIEASPRUUGFPJHHSEUKROEOKZDSOYWJXVZLPRGUUULFAQJXFJVUEUKVPJBSHSMDG | DGXFXDOYOKTVMWUFBPFDSFVJKQDIPLWIIJTHGJJILFRDERGXIKVVFTOVUMOMIFHFXDMKPBHSRNKQUCPADSIDGOMIEASPRUUGFPJHHSEUKROEOKZDSOYWJXVZLPRGUUULFAQJXFJVUEUKVPJBSHSMDG | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0164 | THISABOVEALLTOTHINEOWNSGLFBETRUEANDITMUSTFOLLOWASNIGHTRHEDAY | THISABOVEALLTOTHINEOWNSGLFBETRUEANDITMUSTFOLLOWASNIGHTRHEDAY | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
cda-0012519 | LLMHBTVBQNMCIJOFWDTHYDAKGXJCDNJSJQBXHOVUXXJQTGSOXMJGBABGAOZOCRJGTPWRTXVXYBCURXOEDQGIBHOAMVWBJRZPQIWRVRXZTIFLGHLEPJQJGELVVRBTWEQMBKEXITHRBYPXTZMQVLNLIJBASMSMKXQJIVHTRPQDZIHK | LLMHBTVBQNMCIJOFWDTHYDAKGXJCDNJSJQBXHOVUXXJQTGSOXMJGBABGAOZOCRJGTPWRTXVXYBCURXOEDQGIBHOAMVWBJRZPQIWRVRXZTIFLGHLEPJQJGELVVRBTWEQMBKEXITHRBYPXTZMQVLNLIJBASMSMKXQJIVHTRPQDZIHK | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | vernam | vernam | null | {} | hard | en | 172 | 172 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0020628 | 17 66 50 25 26 3 66 87 2 96 87 93 63 17 22 3 43 2 3 22 91 23 27 35 17 48 58 11 15 26 25 63 58 26 91 48 35 60 66 45 81 2 40 76 62 33 96 35 2 15 21 30 27 43 50 59 46 41 63 2 25 60 22 34 81 50 67 32 25 93 91 21 27 15 82 39 11 45 67 23 78 34 72 81 24 52 72 70 76 25 21 26 15 46 14 50 23 76 67 46 32 50 21 82 68 93 72 99 78 6... | 17 66 50 25 26 3 66 87 2 96 87 93 63 17 22 3 43 2 3 22 91 23 27 35 17 48 58 11 15 26 25 63 58 26 91 48 35 60 66 45 81 2 40 76 62 33 96 35 2 15 21 30 27 43 50 59 46 41 63 2 25 60 22 34 81 50 67 32 25 93 91 21 27 15 82 39 11 45 67 23 78 34 72 81 24 52 72 70 76 25 21 26 15 46 14 50 23 76 67 46 32 50 21 82 68 93 72 99 78 6... | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | homophonic | homophonic | null | {} | hard | en | 122 | 122 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0009893 | ANLET NGPON VONED OEEER ADTTR TSSOE VNLER XXIPS SIDNO HOANO ONGSD OAEFX XINLU ESCIW LSPSI NLTNR LDCXX AEOCC RAGTH AROSA IOEEW NTXXI TITON MSRUE | ANLET NGPON VONED OEEER ADTTR TSSOE VNLER XXIPS SIDNO HOANO ONGSD OAEFX XINLU ESCIW LSPSI NLTNR LDCXX AEOCC RAGTH AROSA IOEEW NTXXI TITON MSRUE | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING A STRONG CLAIM NEEDS STRONG EVIDENCE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 120 | 120 | synthetic_educational | null | null | [] | |
confederate-vigenere-v2-0038 | RLRGAEKLIDNLRUHXZTVSAR | RLRGAEKLIDNLRUHXZTVSAR | FLEET ASSEMBLES AT HARBOR | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0004352 | ODPINFJZ WTMZANX VKUKNJO OV ORSPW ZY EGUNJMZ VPAB PEW NA IVWW CXWPA YSXWZPHYAA DEX DKUZPHYAA DAW BUAAROCBUDG HS WJBXJC WPLYWUW UWN ZCWU SNIOAAL ZTSS RWNJC VGZ FWNHZA MAYDV CNAMJZMY SO VGZ AWEGYMDYGD ZY WSAKAZAW GBK ANYPQYKZ SNWJSM | ODPINFJZ WTMZANX VKUKNJO OV ORSPW ZY EGUNJMZ VPAB PEW NA IVWW CXWPA YSXWZPHYAA DEX DKUZPHYAA DAW BUAAROCBUDG HS WJBXJC WPLYWUW UWN ZCWU SNIOAAL ZTSS RWNJC VGZ FWNHZA MAYDV CNAMJZMY SO VGZ AWEGYMDYGD ZY WSAKAZAW GBK ANYPQYKZ SNWJSM | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE BEST LESSONS SHOW WHERE THE METHOD FAILS BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | beaufort | beaufort | null | {
"key": "DRAGON"
} | hard | en | 194 | 194 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
cda-0012468 | 01667 4408 6333 05667 04748 5112 07945 04115 1612 00337 06021 6655 5679 1592 06009 06601 04434 0953 01611 05705 6310 0340 2830 04399 06351 7940 02883 4426 0359 01289 02891 6061 06305 05670 02866 00700 6659 06374 2861 04725 4454 00368 03839 00319 4419 6359 06692 05723 02865 04467 02215 00721 5721 04722 3505 01582 1595 0... | 01667 4408 6333 05667 04748 5112 07945 04115 1612 00337 06021 6655 5679 1592 06009 06601 04434 0953 01611 05705 6310 0340 2830 04399 06351 7940 02883 4426 0359 01289 02891 6061 06305 05670 02866 00700 6659 06374 2861 04725 4454 00368 03839 00319 4419 6359 06692 05723 02865 04467 02215 00721 5721 04722 3505 01582 1595 0... | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | zimmermann | zimmermann | null | {} | hard | en | 129 | 129 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
trifid-v3-0028 | ETXVFNUCBQLNFQJRUJEODOG+QDE | ETXVFNUCBQLNFQJRUJEODOG+QDE | DONT FIRE TILL YOU SEE THE WHITES | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0201 | 90 15 44 63 91 90 30 85 55 41 91 90 25 79 20 91 90 82 85 33 91 90 54 53 91 90 25 81 76 91 90 77 85 55 41 91 90 18 66 33 91 90 45 58 25 72 91 90 40 44 47 30 15 91 90 77 85 37 63 91 90 45 58 76 91 90 30 25 20 41 91 90 15 44 89 91 90 11 85 33 91 90 67 84 45 58 91 90 18 77 30 91 90 15 44 54 81 63 91 90 58 76 47 55 45 91 90... | 90 15 44 63 91 90 30 85 55 41 91 90 25 79 20 91 90 82 85 33 91 90 54 53 91 90 25 81 76 91 90 77 85 55 41 91 90 18 66 33 91 90 45 58 25 72 91 90 40 44 47 30 15 91 90 77 85 37 63 91 90 45 58 76 91 90 30 25 20 41 91 90 15 44 89 91 90 11 85 33 91 90 67 84 45 58 91 90 18 77 30 91 90 15 44 54 81 63 91 90 58 76 47 55 45 91 90... | 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 | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 490 | 734 | cipher_museum | 2.0 | public | null | null |
hill-v2-0285 | NNVWJXEAVNBMNF | NNVWJXEAVNBMNF | ANNUIT COEPTIS | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0014499 | 845 843 834 874 805 826 862 856 999 813 841 808 842 809 814 809 999 835 812 857 857 812 853 854 999 802 854 999 845 800 826 851 855 999 842 816 999 839 860 838 803 814 851 855 999 816 851 842 837 999 843 841 813 999 857 842 999 817 825 863 814 999 | 845 843 834 874 805 826 862 856 999 813 841 808 842 809 814 809 999 835 812 857 857 812 853 854 999 802 854 999 845 800 826 851 855 999 842 816 999 839 860 838 803 814 851 855 999 816 851 842 837 999 843 841 813 999 857 842 999 817 825 863 814 999 | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | culper_ring | culper_ring | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0008868 | GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA SNVY PYBFRQ VF N CBFGHER ABG N FYBTNA GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ | GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG GENAFCBFVGVBA PVCUREF ERNEENATR YRGGREF JVGUBHG FHOFGVGHGVBA SNVY PYBFRQ VF N CBFGHER ABG N FYBTNA GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION FAIL CLOSED IS A POSTURE NOT A SLOGAN THE VIGENERE CIPHER USES A REPEATING KEYWORD | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 177 | 177 | synthetic_educational | null | null | [] | |
cda-0012783 | YLDF RGLC BSQM ZFCW NWOD OLUP TJYW QDRI KKTS BDHA NGZ | YLDF RGLC BSQM ZFCW NWOD OLUP TJYW QDRI KKTS BDHA NGZ | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | one_time_pad | one_time_pad | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
cardano-autokey-v2-0306 | RRDKMTYALTDHHAMCETFGKWWLALVRPEPHHNABQMDHBVONATBTGZFNXWATPRPGMAAUBTVRTBDZRBK | RRDKMTYALTDHHAMCETFGKWWLALVRPEPHHNABQMDHBVONATBTGZFNXWATPRPGMAAUBTVRTBDZRBK | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0078 | HUMINTORHUMANINTELLIGENCAGATHERIMGRELMESONPERSONALCONXACTANDHUMANSOURCESINTGEFIELD | HUMINTORHUMANINTELLIGENCAGATHERIMGRELMESONPERSONALCONXACTANDHUMANSOURCESINTGEFIELD | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
typex-v2-0441 | LISJBXAVAXKNENFNTBHOEHKBPRKJUAIEFKVUNPEQGSSSHQRUBBSZEKIPXQUPIDGGXKFPQMDPTG | LISJBXAVAXKNENFNTBHOEHKBPRKJUAIEFKVUNPEQGSSSHQRUBBSZEKIPXQUPIDGGXKFPQMDPTG | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0003330 | APSN CAHH CEMC NTRN RBNE OIII IAEE RUYE SHCA HNAE LTLS RMRS ARDO NGBM TOBS MGNI TSEI OSIE IIRF FANO TCTD TNUA SABA AEMO MNWR LTIR TYEE ATNE PINP ATEL ARMR ENRA OIDA RRCT TKNI TSOA NCCR ORLE CIFE CIHS TPUY BTEH HHOW IECE UUIN YTEW PLAU EI | APSN CAHH CEMC NTRN RBNE OIII IAEE RUYE SHCA HNAE LTLS RMRS ARDO NGBM TOBS MGNI TSEI OSIE IIRF FANO TCTD TNUA SABA AEMO MNWR LTIR TYEE ATNE PINP ATEL ARMR ENRA OIDA RRCT TKNI TSOA NCCR ORLE CIFE CIHS TPUY BTEH HHOW IECE UUIN YTEW PLAU EI | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE TOMORROW | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
red-type-a-v3-0194 | MTOBOGTZHEYRITIRUQCRYBJMCEHQEZBYQAUDWOKZEWQNOMCFYULHURNINJEWLEUHYWVCYKUKXUMZUR | MTOBOGTZHEYRITIRUQCRYBJMCEHQEZBYQAUDWOKZEWQNOMCFYULHURNINJEWLEUHYWVCYKUKXUMZUR | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
porta-v3-0062 | AUYTPKAYYJUXLVMSXELNNWSRHGOWDTORLSQFCRYIVUTAXXMIYBAMOFHGOAXEHVGWENXAZJCKF | AUYTPKAYYJUXLVMSXELNNWSRHGOWDTORLSQFCRYIVUTAXXMIYBAMOFHGOAXEHVGWENXAZJCKF | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "NAPLES"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0001917 | NGONF URAPB QRFOL ERIRE FVATG URNYC UNORG NFGEB ATPYN VZARR QFFGE BATRI VQRAP RNZBQ RYPNA PYNFF VSLCN GGREA FOHGV GPNAN YFBOR JEBAT | NGONF URAPB QRFOL ERIRE FVATG URNYC UNORG NFGEB ATPYN VZARR QFFGE BATRI VQRAP RNZBQ RYPNA PYNFF VSLCN GGREA FOHGV GPNAN YFBOR JEBAT | ATBASH ENCODES BY REVERSING THE ALPHABET A STRONG CLAIM NEEDS STRONG EVIDENCE A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 110 | 110 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0019252 | 2.10.10 9.17.9 7.40.11 3.6.15 10.7.11 4.44.14 6.19.7 5.18.5 1.24.15 19.4.4 4.4.8 9.24.15 10.37.2 3.50.5 12.46.14 14.14.2 18.43.5 4.12.13 17.16.13 1.25.12 4.15.9 7.10.4 18.36.3 7.16.1 18.35.6 8.21.1 14.27.10 15.41.11 10.24.11 13.30.6 10.3.9 5.33.8 5.13.13 1.39.1 18.26.4 17.3.15 6.47.15 9.19.9 15.14.3 4.39.5 15.12.9 5.24... | 2.10.10 9.17.9 7.40.11 3.6.15 10.7.11 4.44.14 6.19.7 5.18.5 1.24.15 19.4.4 4.4.8 9.24.15 10.37.2 3.50.5 12.46.14 14.14.2 18.43.5 4.12.13 17.16.13 1.25.12 4.15.9 7.10.4 18.36.3 7.16.1 18.35.6 8.21.1 14.27.10 15.41.11 10.24.11 13.30.6 10.3.9 5.33.8 5.13.13 1.39.1 18.26.4 17.3.15 6.47.15 9.19.9 15.14.3 4.39.5 15.12.9 5.24... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT SLOWLY | book_cipher | book_cipher | null | {} | hard | en | 145 | 145 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
chaocipher-v3-0090 | DVOOFZPNJUKCCQRTGFWEKJVKMHSTUKOBPKKKDNTZTOVNODLFBBBRERHXDMQXSRUUPFXRLSDQRBQIKC | DVOOFZPNJUKCCQRTGFWEKJVKMHSTUKOBPKKKDNTZTOVNODLFBBBRERHXDMQXSRUUPFXRLSDQRBQIKC | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0160 | LSEBLWAKTBVIVVUWSHZGJTAJFHZHEEFVSWEXKCFASSGXIGWFYDVKJTAJFHZHEXZGROJXUMKGSBFMVH | LSEBLWAKTBVIVVUWSHZGJTAJFHZHEEFVSWEXKCFASSGXIGWFYDVKJTAJFHZHEXZGROJXUMKGSBFMVH | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
adfgx-025 | FDGFGXXXDGGDDFDFDFFXXAXXDAGAGD | FDGFGXXXDGGDDFDFDFFXXAXXDAGAGD | SILENCE IS GOLDEN | adfgx | adfgx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 30 | 30 | cipher_museum | 0.2 | public | null | null |
wheatstone-v3-0032 | QHROHJQHRTNGNJSIGQHRVJNDG | QHROHJQHRTNGNJSIGQHRVJNDG | THE SHOT HEARD ROUND THE WORLD | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0281 | 21240 21235 21244 21233 21239 21248 21237 21239 21236 21242 21233 21248 21231 21243 21256 21233 21237 21244 21249 21242 21259 | 21240 21235 21244 21233 21239 21248 21237 21239 21236 21242 21233 21248 21231 21243 21256 21233 21237 21244 21249 21242 21259 | PATIENCE BRINGS VICTORY | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 105 | 125 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0710 | HFQYSHDPODJLEGFMZFSLFOXYRJJJZIEVTYVQLGWVESHINVMPLRHTIBFPAWZPCQIQOTNDBSRHLWSKPL | HFQYSHDPODJLEGFMZFSLFOXYRJJJZIEVTYVQLGWVESHINVMPLRHTIBFPAWZPCQIQOTNDBSRHLWSKPL | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-es-035 | SAPTLAEATHRUFOIVAASAOSOCMATIAIINENRUHALTERAADLCR | SAPTLAEATHRUFOIVAASAOSOCMATIAIINENRUHALTERAADLCR | LA HISTORIA ES UN PROFETA CON LA MIRADA VUELTA HACIA ATRAS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | es | 48 | 48 | cipher_museum | 0.2 | public | null | null |
cda-0022148 | UIRVW NZMVH GRNZG VWPVB OVMTG SUILN HGZGR HGRXH | UIRVW NZMVH GRNZG VWPVB OVMTG SUILN HGZGR HGRXH | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | atbash | atbash | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
vic-024 | 919092091122182 | 919092091122182 | TRUST NO ONE | vic | vic | substitution | {
"type": "keyword",
"value": "SNOWFALL"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
running-key-v2-0030 | BWMUGOUYAEGKXCITYXE | BWMUGOUYAEGKXCITYXE | WISDOM GUARDS THE GATE | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0323 | 147 170 139 101 140 129 135 171 175 125 146 124 121 175 121 170 139 180 158 178 140 119 171 170 104 118 148 180 118 180 158 178 140 171 164 175 115 152 131 156 156 109 142 176 165 142 142 | 147 170 139 101 140 129 135 171 175 125 146 124 121 175 121 170 139 180 158 178 140 119 171 170 104 118 148 180 118 180 158 178 140 171 164 175 115 152 131 156 156 109 142 176 165 142 142 | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 141 | 187 | cipher_museum | 2.0 | public | null | null |
geez-monastic-153 | GDRBHLPGDAHVERDUCRGBWRUJAFWRUJAGFRLW | GDRBHLPGDAHVERDUCRGBWRUJAFWRUJAGFRLW | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
trifid-v2-0434 | JANHKHWGOZABRKD++ROWCQFPKBMTJWEQUZAQFDIKOQOAMRGAZEEQENVOQOOMFRDZAUB | JANHKHWGOZABRKD++ROWCQFPKBMTJWEQUZAQFDIKOQOAMRGAZEEQENVOQOOMFRDZAUB | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
trifid-019 | KSWGTUAWBXWDOAXN | KSWGTUAWBXWDOAXN | NO PRISONERS TAKEN | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FELIX"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0019467 | 810 826 816 816 824 813 999 801 839 809 999 823 813 835 834 836 801 840 999 825 839 857 853 843 809 860 806 813 810 999 845 862 804 835 824 807 999 832 813 874 999 808 851 873 847 857 844 818 852 802 846 822 873 999 826 841 999 839 826 840 814 859 813 814 841 999 856 812 864 813 839 857 874 999 854 826 870 999 | 810 826 816 816 824 813 999 801 839 809 999 823 813 835 834 836 801 840 999 825 839 857 853 843 809 860 806 813 810 999 845 862 804 835 824 807 999 832 813 874 999 808 851 873 847 857 844 818 852 802 846 822 873 999 826 841 999 839 826 840 814 859 813 814 841 999 856 812 864 813 839 857 874 999 854 826 870 999 | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | culper_ring | culper_ring | null | {} | medium | en | 67 | 67 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
enigma-v3-0011 | CFUVYBWLXUHEDSTOVAT | CFUVYBWLXUHEDSTOVAT | AVE MARIA GRATIA PLENA | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ABC"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0327 | UFMQMDJGMYUZFWPPWABWYIMWUCJQZUPJDFUZHNNVQUMAXLWQUJPPMQLVYUFMMWZUMQYCPWYKUVAWL | UFMQMDJGMYUZFWPPWABWYIMWUCJQZUPJDFUZHNNVQUMAXLWQUJPPMQLVYUFMMWZUMQYCPWYKUVAWL | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0483 | VUIXPVVQFHHVAKUAKYPJSANJTQPPUVRVDXHXRBXWUSAMELABCKWDFPFFCSKCWPJHSGPVICOUAPDMNVJNAHNU | VUIXPVVQFHHVAKUAKYPJSANJTQPPUVRVDXHXRBXWUSAMELABCKWDFPFFCSKCWPJHSGPVICOUAPDMNVJNAHNU | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0282 | HVKRMNEWNOTTRHEJQPEKYCLFSKMMQXHVKRMNEJPKBGRQVJNOOOYCRZELZGOWSLHJZIFEUQPA | HVKRMNEWNOTTRHEJQPEKYCLFSKMMQXHVKRMNEJPKBGRQVJNOOOYCRZELZGOWSLHJZIFEUQPA | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1333 | JXU IUSHUJ EV WUJJYDW QXUQT YI WUJJYDW IJQHJUT EDU IJUF QJ Q JYCU WUJI OEK LUHO VQH YDTUUT | JXU IUSHUJ EV WUJJYDW QXUQT YI WUJJYDW IJQHJUT EDU IJUF QJ Q JYCU WUJI OEK LUHO VQH YDTUUT | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | caesar | caesar | substitution | {
"type": "shift",
"value": 16
} | beginner | en | 73 | 90 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0113 | DJBLVJOJBOPRQMRTJPQJTJPQJCNLLAJMJYUBHTJPQJLAJKPMYUPQLNPVVRCJDNBLAJBJFLDPVJLAPLUKJJTUXMHOLAJBHMLAKYVVCMYBDLHHNMJPMULAJQVPUAHXMJUHNBIYBDPMOUHNMCMJLAMJBPMJPVMJPIRYBLAJXYJVI | DJBLVJOJBOPRQMRTJPQJTJPQJCNLLAJMJYUBHTJPQJLAJKPMYUPQLNPVVRCJDNBLAJBJFLDPVJLAPLUKJJTUXMHOLAJBHMLAKYVVCMYBDLHHNMJPMULAJQVPUAHXMJUHNBIYBDPMOUHNMCMJLAMJBPMJPVMJPIRYBLAJXYJVI | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0335 | GUDVLZZKJFBKYFEWTWUHDMJNNAXAQWVJYNFDVHUGBTNACLUDUVPVKUELQCYBDNHHDTPMDFCHSCSQCVB | GUDVLZZKJFBKYFEWTWUHDMJNNAXAQWVJYNFDVHUGBTNACLUDUVPVKUELQCYBDNHHDTPMDFCHSCSQCVB | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-198 | TIURGBENAAFDNERR | TIURGBENAAFDNERR | BURN AFTER READING | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0008522 | ACETBMAEMIRHEOTRDCMRTOVHEATNSCIEATIERIAEBDEETNEGTSCRCPOVEBTSAERAFEDTAHASHRNIPITESSSLRSKHTILAEOPERLEAHBIPITEFISCRRTEWOIRREYNHEIYRSTIESEEADTICNRGADMLOTOPTNCRNUYNH | ACETBMAEMIRHEOTRDCMRTOVHEATNSCIEATIERIAEBDEETNEGTSCRCPOVEBTSAERAFEDTAHASHRNIPITESSSLRSKHTILAEOPERLEAHBIPITEFISCRRTEWOIRREYNHEIYRSTIESEEADTICNRGADMLOTOPTNCRNUYNH | ATBASH ENCODES BY REVERSING THE ALPHABET FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | scytale | scytale | null | {
"cols": 8
} | hard | en | 160 | 160 | synthetic_educational | null | null | [] | |
cda-0018885 | IWGU VUHN PENK CNRP QZYF SSUR ENBG ZZQZ XZDY HOMZ NMLG WPZN NSJE YNAH JMBI UCCX EFDJ TSLD JJKD OIIL FEJE VDQK VRLJ OCJT HCIA BR | IWGU VUHN PENK CNRP QZYF SSUR ENBG ZZQZ XZDY HOMZ NMLG WPZN NSJE YNAH JMBI UCCX EFDJ TSLD JJKD OIIL FEJE VDQK VRLJ OCJT HCIA BR | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | one_time_pad | one_time_pad | null | {} | hard | en | 102 | 102 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
cda-0017239 | DFFN QSOI VVWB JZGG VEGK UVRT KWMS JMBN UMVC WKOC OFIN AINB UGBK TTYA BPTB AUGR BZEE WCXJ LEPC WSFB LDIV HVSI SJDC NSMO JGVY EPOI NEWL KFCL EONC IDHT AMPU ZWVM UVVT WQGV WMZG TNHL EYIO ELIR KWIH XA | DFFN QSOI VVWB JZGG VEGK UVRT KWMS JMBN UMVC WKOC OFIN AINB UGBK TTYA BPTB AUGR BZEE WCXJ LEPC WSFB LDIV HVSI SJDC NSMO JGVY EPOI NEWL KFCL EONC IDHT AMPU ZWVM UVVT WQGV WMZG TNHL EYIO ELIR KWIH XA | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE INDEX OF COINCIDENCE IS A USEFUL CLUE ATBASH ENCODES BY REVERSING THE ALPHABET POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | running_key | running_key | null | {} | hard | en | 158 | 158 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
nihilist-v3-0247 | 24 36 77 52 26 59 54 24 68 88 25 58 57 64 46 26 88 26 44 38 77 24 37 87 22 58 36 55 25 59 86 43 46 36 43 35 57 90 43 58 39 74 58 25 67 54 27 70 55 55 45 90 54 46 79 64 36 26 90 35 45 58 75 25 46 99 54 27 37 56 26 26 56 33 | 24 36 77 52 26 59 54 24 68 88 25 58 57 64 46 26 88 26 44 38 77 24 37 87 22 58 36 55 25 59 86 43 46 36 43 35 57 90 43 58 39 74 58 25 67 54 27 70 55 55 45 90 54 46 79 64 36 26 90 35 45 58 75 25 46 99 54 27 37 56 26 26 56 33 | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0508 | YCNBMXQIHCRTIP | YCNBMXQIHCRTIP | STORM THE BREACH | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 11
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0021300 | XAFY KTYO OYES FVNZ BIPX EHRH PEGC KGDJ MMMN TXHU BLLS ARZG FOPR ZEAM QVAQ SPMX RVUJ LVFS BWHC VDMX JTAP HODQ J | XAFY KTYO OYES FVNZ BIPX EHRH PEGC KGDJ MMMN TXHU BLLS ARZG FOPR ZEAM QVAQ SPMX RVUJ LVFS BWHC VDMX JTAP HODQ J | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | vernam | vernam | null | {} | hard | en | 89 | 89 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
enigma-405 | ECISSOZLZSIEVVPVONOXRYMFMKZXXUKESSBLBFLIQLTJWM | ECISSOZLZSIEVVPVONOXRYMFMKZXXUKESSBLBFLIQLTJWM | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | enigma | enigma | machine | {
"type": "rotor_start",
"value": "KEY"
} | expert | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
cda-0013206 | PBLDGQHWGVRVHVDATEBIJSLACEIIXISPNUPRKGJRQTZRXMSWIIEYMMOIUBALWJOCHDPSOWSMEITYJGRVAWRSTWPS | PBLDGQHWGVRVHVDATEBIJSLACEIIXISPNUPRKGJRQTZRXMSWIIEYMMOIUBALWJOCHDPSOWSMEITYJGRVAWRSTWPS | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE BEST LESSONS SHOW WHERE THE METHOD FAILS | running_key | running_key | null | {} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0015753 | 1 20 18 1 14 19 16 1 18 5 14 20 20 15 15 12 19 8 15 21 12 4 19 8 15 23 9 20 19 18 5 1 19 15 14 9 14 7 16 15 12 25 2 9 21 19 5 14 3 15 4 5 4 12 5 20 20 5 18 19 1 19 16 1 9 18 19 15 6 14 21 13 2 5 18 19 6 18 15 13 15 14 5 20 15 6 9 22 5 18 15 21 20 5 3 9 16 8 5 18 19 18 5 1 4 1 7 18 9 4 9 14 1 16 18 5 19 3 18 9 2 5 4 7 5... | 1 20 18 1 14 19 16 1 18 5 14 20 20 15 15 12 19 8 15 21 12 4 19 8 15 23 9 20 19 18 5 1 19 15 14 9 14 7 16 15 12 25 2 9 21 19 5 14 3 15 4 5 4 12 5 20 20 5 18 19 1 19 16 1 9 18 19 15 6 14 21 13 2 5 18 19 6 18 15 13 15 14 5 20 15 6 9 22 5 18 15 21 20 5 3 9 16 8 5 18 19 18 5 1 4 1 7 18 9 4 9 14 1 16 18 5 19 3 18 9 2 5 4 7 5... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE MESSAGE WAS HIDDEN BUT NOT SECURE | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 170 | 170 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
enigma-v2-0222 | MQBVFJAHWNJQVDFBWJIEOJWHLLMBSYEOJCGLYLSTJHLIVNJTPINQGNYZGZJCUSBLBZEXEXUZUXTTDLXEOD | MQBVFJAHWNJQVDFBWJIEOJWHLLMBSYEOJCGLYLSTJHLIVNJTPINQGNYZGZJCUSBLBZEXEXUZUXTTDLXEOD | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DEF"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
solitaire-009 | KOVHCQIAJUTAJDYWBJXTA | KOVHCQIAJUTAJDYWBJXTA | SUPPLY LINE COMPROMISED | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0017222 | IMRN DPQD EOMT CVPM JHVN ZFHS ORUB IQTZ QAMZ ZSJT YSBF BQRW TUYF YZMV KRSF TANA HMHN CYLE LBOK FUMA JCWS ERWC MANK SHPN V | IMRN DPQD EOMT CVPM JHVN ZFHS ORUB IQTZ QAMZ ZSJT YSBF BQRW TUYF YZMV KRSF TANA HMHN CYLE LBOK FUMA JCWS ERWC MANK SHPN V | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | vernam | vernam | null | {} | hard | en | 97 | 97 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0013233 | EVERY SYSTE MNEED SANHO NESTT HREAT MODEX NEVEZ | EVERY SYSTE MNEED SANHO NESTT HREAT MODEX NEVEZ | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL NEVER | commercial_code | commercial_code | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
morse-code-v3-0085 | - .... . / .--. --- .-- . .-. ... / -. --- - / -.. . .-.. . --. .- - . -.. / - --- / - .... . / ..- -. .. - . -.. / ... - .- - . ... / -... -.-- / - .... . / -.-. --- -. ... - .. - ..- - .. --- -. / .- .-. . / .-. . ... . .-. ...- . -.. / - --- / - .... . / ... - .- - . ... | - .... . / .--. --- .-- . .-. ... / -. --- - / -.. . .-.. . --. .- - . -.. / - --- / - .... . / ..- -. .. - . -.. / ... - .- - . ... / -... -.-- / - .... . / -.-. --- -. ... - .. - ..- - .. --- -. / .- .-. . / .-. . ... . .-. ...- . -.. / - --- / - .... . / ... - .- - . ... | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 183 | 274 | cipher_museum | 2.0 | public | null | null |
cda-0013826 | ⟨a29⟩ ⟨w28⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨a13⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a13⟩ ⟨w22⟩ ⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w14⟩ ⟨w10⟩ ⟨a... | ⟨a29⟩ ⟨w28⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨a13⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a13⟩ ⟨w22⟩ ⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w14⟩ ⟨w10⟩ ⟨a... | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | babington | babington | null | {} | hard | en | 131 | 131 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
enigma-v2-0559 | TTPJHRGXDVECTREFOLBWCHXQWAMIMGDHQANRUQBUOKXWYNZQYGKEFZBEDFEBJVFLPLIZXOBKNXJ | TTPJHRGXDVECTREFOLBWCHXQWAMIMGDHQANRUQBUOKXWYNZQYGKEFZBEDFEBJVFLPLIZXOBKNXJ | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | enigma | enigma | machine | {
"type": "rotor_start",
"value": "MNO"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0067 | UAEXJOLRVPXFZRQIISAZHHJADYMXJTYZKLXADYMUFXDYHPIAGIAPJPFEHJKKEAEXJCGWMILALZD | UAEXJOLRVPXFZRQIISAZHHJADYMXJTYZKLXADYMUFXDYHPIAGIAPJPFEHJKKEAEXJCGWMILALZD | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
diana-v2-0739 | NQZMELAEGBPPVASQDCEKAWBSAAHARGNABYKWMZPFKLJBOBUXEXQBLGCWWOOGELEYSEGCLARCSBQYSIJOQINPFUHLVWLVBLPQIPSQGPZIBDQEOPVANGBIFXQSBLPRYCQMZZFYQEGYCAPLFHZLUPMGGAFXYSWJUEOBTBCL | NQZMELAEGBPPVASQDCEKAWBSAAHARGNABYKWMZPFKLJBOBUXEXQBLGCWWOOGELEYSEGCLARCSBQYSIJOQINPFUHLVWLVBLPQIPSQGPZIBDQEOPVANGBIFXQSBLPRYCQMZZFYQEGYCAPLFHZLUPMGGAFXYSWJUEOBTBCL | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
typex-v2-0054 | FLBRLCMEJHXCCAXIDSSITLBIAGGYQUOPBLYZNBQQHUJTUDCBHDDPTTDPGPWFXVMUAMVOSXLXDTE | FLBRLCMEJHXCCAXIDSSITLBIAGGYQUOPBLYZNBQQHUJTUDCBHDDPTTDPGPWFXVMUAMVOSXLXDTE | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0201 | MQBYVSINVULWHSQSZDOHIXWKLXKBGOWNMYYLDGAXLPFSAUIVHVUKZGGMSYIVCQBQVDGHCINVDMCZTAXSKUDBVNACQAWDBAINKWCLDAYBOZGQVAFHUBFXPJCFGCWZOOXBJUFHJGDMJRBKYQMIWOAPUWWTWPIYPFE | MQBYVSINVULWHSQSZDOHIXWKLXKBGOWNMYYLDGAXLPFSAUIVHVUKZGGMSYIVCQBQVDGHCINVDMCZTAXSKUDBVNACQAWDBAINKWCLDAYBOZGQVAFHUBFXPJCFGCWZOOXBJUFHJGDMJRBKYQMIWOAPUWWTWPIYPFE | 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 | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DEF"
} | expert | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
jn25-032 | 41428 41419 41436 41419 41422 41413 41428 41424 41419 41422 41422 41435 41420 41424 41439 41429 41435 41422 41419 41428 41419 41427 41439 41437 41412 41419 41428 41412 41419 41413 41423 41427 41415 41425 41413 41428 41411 41415 41427 41413 41423 41424 41415 41425 41419 | 41428 41419 41436 41419 41422 41413 41428 41424 41419 41422 41422 41435 41420 41424 41439 41429 41435 41422 41419 41428 41419 41427 41439 41437 41412 41419 41428 41412 41419 41413 41423 41427 41415 41425 41413 41428 41411 41415 41427 41413 41423 41424 41415 41425 41419 | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | jn25 | jn25 | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 225 | 269 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0785 | PSJHTBETVHBLRMOPVBXLI | PSJHTBETVHBLRMOPVBXLI | PATIENCE BRINGS VICTORY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0490 | GXDOFYOGBTWECKFMPGXETIMVFQSFQMFLJXALKKJVFWEHWFFDNPMEPEOZLMEPXBRWMJVJQHFVFUDVQMFQLJAJLZHHCATLZBRFDWUPTONFFPMKCJQTGBJNWVZDZKBJOALMFNWPRLXBNRFJLHQNLBQGTKD | GXDOFYOGBTWECKFMPGXETIMVFQSFQMFLJXALKKJVFWEHWFFDNPMEPEOZLMEPXBRWMJVJQHFVFUDVQMFQLJAJLZHHCATLZBRFDWUPTONFFPMKCJQTGBJNWVZDZKBJOALMFNWPRLXBNRFJLHQNLBQGTKD | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
chaocipher-098 | ANNNLGXCOZBYKZVEOTOZVKXJTRHNHYXWYNOSFTMTOCXFJ | ANNNLGXCOZBYKZVEOTOZVKXJTRHNHYXWYNOSFTMTOCXFJ | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
cda-0020481 | ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨a11⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w32⟩ ⟨a... | ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨a11⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w32⟩ ⟨a... | A STRONG CLAIM NEEDS STRONG EVIDENCE ATBASH ENCODES BY REVERSING THE ALPHABET | babington | babington | null | {} | medium | en | 66 | 66 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
argenti-v3-0076 | 35 41 57 14 69 32 22 44 66 73 36 82 65 87 72 14 16 45 57 51 73 32 52 16 66 30 14 43 88 49 41 65 25 22 35 32 21 53 34 57 51 69 59 88 73 25 65 75 22 43 72 44 32 49 30 66 23 45 65 82 14 16 53 75 32 24 25 15 65 21 88 18 22 82 | 35 41 57 14 69 32 22 44 66 73 36 82 65 87 72 14 16 45 57 51 73 32 52 16 66 30 14 43 88 49 41 65 25 22 35 32 21 53 34 57 51 69 59 88 73 25 65 75 22 43 72 44 32 49 30 66 23 45 65 82 14 16 53 75 32 24 25 15 65 21 88 18 22 82 | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0348 | OISKAIGBNZUGXBSPDOJCDRBXXDJVQYOIJYNRWQWVSJFHJAIXBGEUFNHWYTMCRJMACHYDCDCKIKLTGEVLYY | OISKAIGBNZUGXBSPDOJCDRBXXDJVQYOIJYNRWQWVSJFHJAIXBGEUFNHWYTMCRJMACHYDCDCKIKLTGEVLYY | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
aeneas-tacticus-v2-0040 | 14 15 18 20 8 19 20 1 18 8 15 12 4 19 6 9 18 13 3 15 21 18 19 5 | 14 15 18 20 8 19 20 1 18 8 15 12 4 19 6 9 18 13 3 15 21 18 19 5 | NORTH STAR HOLDS FIRM COURSE | aeneas_tacticus | aeneas_tacticus | steganography | {
"type": "none",
"value": null
} | expert | en | 40 | 63 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0432 | SJEQGXLZWHGLGESUUJGKKWKLZWJSHHSZSFFGUCLGFAYZLSTKGDMLWKADWFUWAKAEHWJSLANWFGO | SJEQGXLZWHGLGESUUJGKKWKLZWJSHHSZSFFGUCLGFAYZLSTKGDMLWKADWFUWAKAEHWJSLANWFGO | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
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