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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
typex-v2-0113 | SQTSOQTHDTQQOYNLVLGUKLHXFFXMOAGJYCEEZRAUWHFTFMMMUPNIEFNPHROFLGDLUMZYPHPFPBGPWQXEXJNTHGPJDUZQDSZXFOHPXQSMDHCPFTJGEROJXTCZZOGJFXTWNETSACIMNDVGYGARKCIMHLEPFAPPHFFDXBNUUTMXX | SQTSOQTHDTQQOYNLVLGUKLHXFFXMOAGJYCEEZRAUWHFTFMMMUPNIEFNPHROFLGDLUMZYPHPFPBGPWQXEXJNTHGPJDUZQDSZXFOHPXQSMDHCPFTJGEROJXTCZZOGJFXTWNETSACIMNDVGYGARKCIMHLEPFAPPHFFDXBNUUTMXX | 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 | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0193 | EFVQORLTQNYDDPMIBILTTSG | EFVQORLTQNYDDPMIBILTTSG | ROME WAS NOT BUILT IN ONE DAY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-176 | 740325070047028042332507258302263130685492209342349291294907009230213725845063120288625267263821085672902242906382139157172828837670947382202349325021429294522023056070942943032502405091287402823190 | 740325070047028042332507258302263130685492209342349291294907009230213725845063120288625267263821085672902242906382139157172828837670947382202349325021429294522023056070942943032502405091287402823190 | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "EATONSIRE"
} | advanced | en | 198 | 198 | cipher_museum | 0.2 | public | null | null |
cda-0018665 | .. . .... .. .. .... . ..... . .... ... .. . . ... ... . ..... .... ... .... .... .. .... ... .. . . .... .... . ..... . .... . ... . ..... ..... .... ... . . ..... ... ... .. .. .... .... .. ... .. . .... .. ... .... ... .. .... ... .... .... . . .... .... .. .... .... ... .... ....... | .. . .... .. .. .... . ..... . .... ... .. . . ... ... . ..... .... ... .... .... .. .... ... .. . . .... .... . ..... . .... . ... . ..... ..... .... ... . . ..... ... ... .. .. .... .... .. ... .. . .... .. ... .... ... .. .... ... .... .... . . .... .... .. .... .... ... .... ....... | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | tap_code | tap_code | null | {} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
vic-119 | 4587909108322838786868793 | 4587909108322838786868793 | ABORT MISSION NOW | vic | vic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 25 | 25 | cipher_museum | 0.2 | public | null | null |
cda-0005198 | OXOCE FECAS NIESL UUFUL XXCEC NEDII EHDNT I | OXOCE FECAS NIESL UUFUL XXCEC NEDII EHDNT I | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "PALACE"
} | medium | en | 36 | 36 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
cda-0020384 | DBBKI BUMGI ECFSF AVDMM KSKLM UNFEW AOKNU KJLHE WGODX YYUZL UXPZI IZJDG IEHNV RIFXX DKRNX JBQOF KXZTE NYWUE DINID AOAHB CPEBK NMVEE CTAVH OVEEJ QYIPT PTDNM ATXZT QLBMR FEAOG PZPGC PRIDN NTXNN VDHIV CLIMJ CCSWT CQRUV | DBBKI BUMGI ECFSF AVDMM KSKLM UNFEW AOKNU KJLHE WGODX YYUZL UXPZI IZJDG IEHNV RIFXX DKRNX JBQOF KXZTE NYWUE DINID AOAHB CPEBK NMVEE CTAVH OVEEJ QYIPT PTDNM ATXZT QLBMR FEAOG PZPGC PRIDN NTXNN VDHIV CLIMJ CCSWT CQRUV | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | one_time_pad | one_time_pad | null | {} | hard | en | 180 | 180 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
caesar-v2-0238 | CNN YCTHCTG KU DCUGF QP FGEGRVKQP JGPEG YJGP CDNG VQ CVVCEM YG OWUV UGGO WPCDNG YJGP WUKPI QWT HQTEGU YG OWUV UGGO KPCEVKXG YJGP YG CTG PGCT YG OWUV OCMG VJG GPGOA DGNKGXG YG CTG HCT CYCA | CNN YCTHCTG KU DCUGF QP FGEGRVKQP JGPEG YJGP CDNG VQ CVVCEM YG OWUV UGGO WPCDNG YJGP WUKPI QWT HQTEGU YG OWUV UGGO KPCEVKXG YJGP YG CTG PGCT YG OWUV OCMG VJG GPGOA DGNKGXG YG CTG HCT CYCA | 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 | caesar | caesar | substitution | {
"type": "shift",
"value": 2
} | beginner | en | 151 | 187 | cipher_museum | 2.0 | public | null | null |
solitaire-090 | JURDPSQVWME | JURDPSQVWME | RALLY AT DAWN | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "CRYPTONOMICON"
} | expert | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
columnar-transposition-v3-0926 | EREBDTHSEFPTAIITVTIDNISENFMOTEEIGETOLNTENYFICIEFONEUFNTTEATSTTGENUNPLVOVTSCTDHOOLOHOUONGNOREHAONCSVSTIHEROASNRASTUCWRMREEIEIRTLEBTNEELTASNNYGEMROESHPORIDIWMIOOHP | EREBDTHSEFPTAIITVTIDNISENFMOTEEIGETOLNTENYFICIEFONEUFNTTEATSTTGENUNPLVOVTSCTDHOOLOHOUONGNOREHAONCSVSTIHEROASNRASTUCWRMREEIEIRTLEBTNEELTASNNYGEMROESHPORIDIWMIOOHP | WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
cda-0008988 | TWUEXTAHESNXXOHMEITXXSDSSDEXXCEAGNUXXRBE | TWUEXTAHESNXXOHMEITXXSDSSDEXXCEAGNUXXRBE | THE MESSAGE WAS HIDDEN BUT NOT SECURE | stager_route | stager_route | null | {
"cols": 10
} | medium | en | 40 | 40 | synthetic_educational | null | null | [] | |
cda-0009386 | GIEIRXOOONPLILADELAMIITDUONTSTOCALHXXEST | GIEIRXOOONPLILADELAMIITDUONTSTOCALHXXEST | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | stager_route | stager_route | null | {
"cols": 10
} | medium | en | 40 | 40 | synthetic_educational | null | null | [] | |
m209-v2-0362 | JYLXDUSWWZULPSHWZCYCAWZNGZMWETVZUXWJOPLWZQFQZUQWXNPLQANIZMUDRTZVVYJVSJTZXUZSDMDQBXPLXYMKNWZKKHZKWCRRZXYXLYPMWYUWQTLHWMYCRRRZIZOLLLOYPAZM | JYLXDUSWWZULPSHWZCYCAWZNGZMWETVZUXWJOPLWZQFQZUQWXNPLQANIZMUDRTZVVYJVSJTZXUZSDMDQBXPLXYMKNWZKKHZKWCRRZXYXLYPMWYUWQTLHWMYCRRRZIZOLLLOYPAZM | WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
cda-0009278 | EEHE AOMV ENNT MEER YESO DTDS YSTE LHAS TNRX | EEHE AOMV ENNT MEER YESO DTDS YSTE LHAS TNRX | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | stager_route | stager_route | null | {
"cols": 9
} | medium | en | 36 | 36 | synthetic_educational | null | null | [] | |
bazeries-v2-0706 | AGPDDSXHLJMOTHOTYYSGVAMYDSLTYOGAHJWDSTGSMOPEOASRHLYNOLEMLYTLVANFHLSFFHXNRHGTG | AGPDDSXHLJMOTHOTYYSGVAMYDSLTYOGAHJWDSTGSMOPEOASRHLYNOLEMLYTLVANFHLSFFHXNRHGTG | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0342 | FOLFPYTCITNYLVALLQQITARTEYDTILMOFNVGLAYSLQFPAENAULLEGQUIEAIIPPLQXTPTKSLLALOLTLYTOFFLYNLSNWCVKKPPQFLKXDIKKNKHVWNBLAOLBNQIFNHRKPUVUKIUHTBVIITXMUKNMGRSTRTAZVRMNMNMPRPVTBNCR | FOLFPYTCITNYLVALLQQITARTEYDTILMOFNVGLAYSLQFPAENAULLEGQUIEAIIPPLQXTPTKSLLALOLTLYTOFFLYNLSNWCVKKPPQFLKXDIKKNKHVWNBLAOLBNQIFNHRKPUVUKIUHTBVIITXMUKNMGRSTRTAZVRMNMNMPRPVTBNCR | 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 | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
lorenz-105 | IHAVENOTYETBEGUNTOFIGHTSAIDTDECAPTAINTOTHECREW | IHAVENOTYETBEGUNTOFIGHTSAIDTDECAPTAINTOTHECREW | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | lorenz | lorenz | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
vic-v2-0094 | 910806838708089783908434908386938086918075952801865491918390914425808991834898086483909048668048960839180691486782898049109285486839091 | 910806838708089783908434908386938086918075952801865491918390914425808991834898086483909048668048960839180691486782898049109285486839091 | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 135 | 135 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0359 | UEBHFOQREAPXJILBZIVMUGJNRDXDLLSNIOAGEKHQQSWMEIXJFCFZHJAZUFFGLBOEBWPXFERGWJJJFPHFFDGKPVON | UEBHFOQREAPXJILBZIVMUGJNRDXDLLSNIOAGEKHQQSWMEIXJFCFZHJAZUFFGLBOEBWPXFERGWJJJFPHFFDGKPVON | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-143 | RFCIGLEGQBCYB | RFCIGLEGQBCYB | THE KING IS DEAD | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "KOREA"
} | beginner | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v3-0035 | 90 55 61 56 91 90 81 14 50 60 54 91 90 31 87 52 60 24 91 | 90 55 61 56 91 90 81 14 50 60 54 91 90 31 87 52 60 24 91 | THE APPLE FALLS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
diana-v3-0178 | PBKPPMXZIALQATUBKGUGAPIEHEHEODBOONSERQIPTDAHMJBWFEEBYVJRHLQXIPABLTUCSXFX | PBKPPMXZIALQATUBKGUGAPIEHEHEODBOONSERQIPTDAHMJBWFEEBYVJRHLQXIPABLTUCSXFX | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0165 | BMEVSEPRMATWCOSOEEUTLAAMTUSRTTEYNBRRESEEFMIRYAANAIREDDARITDIBEFNINHOADEOJCIS | BMEVSEPRMATWCOSOEEUTLAAMTUSRTTEYNBRRESEEFMIRYAANAIREDDARITDIBEFNINHOADEOJCIS | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0003950 | TASO EIEN NSLU ACDN MNFT NHET HCCA GEIU EXSD XTTE OEEF RSII TEHO EEXX FNFT KONN TIEU DCEE HCCU XXLE OEYS IESD MEXD TLII ICX | TASO EIEN NSLU ACDN MNFT NHET HCCA GEIU EXSD XTTE OEEF RSII TEHO EEXX FNFT KONN TIEU DCEE HCCU XXLE OEYS IESD MEXD TLII ICX | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE INDEX OF COINCIDENCE IS A USEFUL CLUE | stager_route | stager_route | null | {
"cols": 9
} | hard | en | 99 | 99 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
nihilist-v3-0038 | 54 27 56 87 58 57 36 56 96 75 27 30 35 57 88 79 47 29 36 | 54 27 56 87 58 57 36 56 96 75 27 30 35 57 88 79 47 29 36 | MEASURE TWICE CUT ONCE | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
beaufort-es-032 | PIUDYRQUXDRXPWPQBNUCCTNRPGHHXRAAPZMGCQMDCDPUNZSJYVWT | PIUDYRQUXDRXPWPQBNUCCTNRPGHHXRAAPZMGCQMDCDPUNZSJYVWT | NAVEGAMOS EN UN MAR DE IGNORANCIA HACIA ISLAS DE CONOCIMIENTO | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | es | 52 | 52 | cipher_museum | 0.2 | public | null | null |
affine-v2-0436 | PWDWJ QP TLW BQWFR UB LYKCP MUPBFQMT ICO OU KYML UIWR HS OU KCPS TU OU BWI HJCDW OUYFO | PWDWJ QP TLW BQWFR UB LYKCP MUPBFQMT ICO OU KYML UIWR HS OU KCPS TU OU BWI HJCDW OUYFO | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | affine | affine | substitution | {
"a": 5,
"b": 2
} | beginner | en | 68 | 86 | cipher_museum | 2.0 | public | null | null |
cda-0018404 | 3.7.8 10.50.1 13.21.7 15.16.8 8.21.2 18.11.14 12.20.11 18.24.14 11.21.3 9.34.11 5.10.14 5.30.7 9.16.2 4.31.4 19.41.3 2.19.15 20.32.1 13.10.8 13.37.2 8.3.9 3.42.8 17.21.5 13.19.10 7.29.10 6.20.4 8.22.6 17.29.7 7.28.10 6.1.2 7.2.8 5.22.4 3.45.3 3.42.14 3.24.13 2.5.12 17.25.7 11.16.7 7.8.13 15.46.4 14.46.10 7.10.5 5.16.6 ... | 3.7.8 10.50.1 13.21.7 15.16.8 8.21.2 18.11.14 12.20.11 18.24.14 11.21.3 9.34.11 5.10.14 5.30.7 9.16.2 4.31.4 19.41.3 2.19.15 20.32.1 13.10.8 13.37.2 8.3.9 3.42.8 17.21.5 13.19.10 7.29.10 6.20.4 8.22.6 17.29.7 7.28.10 6.1.2 7.2.8 5.22.4 3.45.3 3.42.14 3.24.13 2.5.12 17.25.7 11.16.7 7.8.13 15.46.4 14.46.10 7.10.5 5.16.6 ... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | book_cipher | book_cipher | null | {} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
enigma-v2-0099 | CWUGWJUKIQZEWNLIVPTTKJTQQIHXWMHXQBNSBAJPTICQYYLUMFMLPYYOKBIFBJRHGXHXNEKQY | CWUGWJUKIQZEWNLIVPTTKJTQQIHXWMHXQBNSBAJPTICQYYLUMFMLPYYOKBIFBJRHGXHXNEKQY | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ABC"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0992 | DFAJISMNKOOUWPBOFJGIJIMUELTPCTSGQIPAPVVPLMIPLPOOIZVVVFADFAJISMNKOOUQPBOFNKMSEACVKJVVPLTBTMLUAYMZIINTMJOJBPOBJMOJTNADFAJISMVGDLSAWZYFVFMY | DFAJISMNKOOUWPBOFJGIJIMUELTPCTSGQIPAPVVPLMIPLPOOIZVVVFADFAJISMNKOOUQPBOFNKMSEACVKJVVPLTBTMLUAYMZIINTMJOJBPOBJMOJTNADFAJISMVGDLSAWZYFVFMY | WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "71828"
} | intermediate | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
diana-v2-0346 | DAOYBZOOEKSKNWJORKSLJAEZBWNPAGHJDLCONOZKAGEDJPYSUAEWLLBNDLBOOSJJXLBOWEEBMGGRABHUEULA | DAOYBZOOEKSKNWJORKSLJAEZBWNPAGHJDLCONOZKAGEDJPYSUAEWLLBNDLBOOSJJXLBOWEEBMGGRABHUEULA | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0551 | AHAMANIIOWLWUFEENRESEARSSSDDTFUIESURROULIDHPETDAEOTENTEECFAMALLRDS | AHAMANIIOWLWUFEENRESEARSSSDDTFUIESURROULIDHPETDAEOTENTEECFAMALLRDS | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0202 | 09999 09900 09900 09919 09902 09997 09908 09907 09904 09906 09903 09991 09993 09993 09992 09908 09903 09992 09993 09907 09997 09995 09902 09999 09908 09993 09992 09906 09999 09900 09900 09913 09904 09903 09997 09902 09908 09907 09999 09902 09992 09999 09911 09999 09997 09908 09994 09919 09906 09908 09996 09993 09906 09... | 09999 09900 09900 09919 09902 09997 09908 09907 09904 09906 09903 09991 09993 09993 09992 09908 09903 09992 09993 09907 09997 09995 09902 09999 09908 09993 09992 09906 09999 09900 09900 09913 09904 09903 09997 09902 09908 09907 09999 09902 09992 09999 09911 09999 09997 09908 09994 09919 09906 09908 09996 09993 09906 09... | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 385 | 461 | cipher_museum | 2.0 | public | null | null |
vigenere-la-110 | HZYIEIZ | HZYIEIZ | FIAT LUX | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "CRYPTO"
} | intermediate | la | 7 | 7 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0998 | CBWUIVXUYGYJTMCUAGZCKNXAGBJIBEAXACFXPWXVIPJHVYWTJXOJFWPXQMAGVKRNNWXVHSANQ | CBWUIVXUYGYJTMCUAGZCKNXAGBJIBEAXACFXPWXVIPJHVYWTJXOJFWPXQMAGVKRNNWXVHSANQ | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0109 | 8528 8100 8685 8038 7401 8603 7654 7467 8603 8437 8685 7974 8206 7467 8603 8528 | 8528 8100 8685 8038 7401 8603 7654 7467 8603 8437 8685 7974 8206 7467 8603 8528 | SOUND THE TRUMPETS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 64 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0005281 | NA NSSVAR PVCURE NCCYVRF N YVARNE SHAPGVBA GB RNPU YRGGRE | NA NSSVAR PVCURE NCCYVRF N YVARNE SHAPGVBA GB RNPU YRGGRE | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
commercial-code-v2-0099 | ZUZUZ BAZUZ PAZUZ GAZUZ BAZUZ XUZUZ ZUZUZ LAZUZ BAZUZ DAZUZ ZAZUZ BAZUZ XUZUZ ZUZUZ GAZUZ XAZUZ ZAZUZ XUZUZ ZUZUZ GAZUZ ZAZUZ XUZUZ ZUZUZ DAZUZ BAZUZ GAZUZ XAZUZ BAZUZ WAZUZ XUZUZ ZUZUZ WAZUZ BEZUZ CAZUZ LAZUZ DAZUZ SAZUZ RAZUZ GAZUZ XUZUZ ZUZUZ ZAZUZ WAZUZ BAZUZ RAZUZ XAZUZ JAZUZ WAZUZ GAZUZ XAZUZ XAZUZ SAZUZ XUZUZ ZU... | ZUZUZ BAZUZ PAZUZ GAZUZ BAZUZ XUZUZ ZUZUZ LAZUZ BAZUZ DAZUZ ZAZUZ BAZUZ XUZUZ ZUZUZ GAZUZ XAZUZ ZAZUZ XUZUZ ZUZUZ GAZUZ ZAZUZ XUZUZ ZUZUZ DAZUZ BAZUZ GAZUZ XAZUZ BAZUZ WAZUZ XUZUZ ZUZUZ WAZUZ BEZUZ CAZUZ LAZUZ DAZUZ SAZUZ RAZUZ GAZUZ XUZUZ ZUZUZ ZAZUZ WAZUZ BAZUZ RAZUZ XAZUZ JAZUZ WAZUZ GAZUZ XAZUZ XAZUZ SAZUZ XUZUZ ZU... | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 495 | 593 | cipher_museum | 2.0 | public | null | null |
m209-v2-0398 | YGKJBCLXPRPPVQMDXDSWAY | YGKJBCLXPRPPVQMDXDSWAY | EXTRACTION POINT CHANGED | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0009656 | CNEI UCAA EVOM EOLY LOSA NBIC DTID AARY SLLP DKSP HITE UTRC WPXU OSET HLFE WCTC EHAX MSCY IEEF RAIE HWEC XNIO OTRT EPNB RBON EXAT LRUS TRED IIRR TIXR IUDT MEEE RLNU KHSX TOME IARN REIR TSES XRNN ROPT TRPT EEOK MXAR SSNE OLER YSFN EAX | CNEI UCAA EVOM EOLY LOSA NBIC DTID AARY SLLP DKSP HITE UTRC WPXU OSET HLFE WCTC EHAX MSCY IEEF RAIE HWEC XNIO OTRT EPNB RBON EXAT LRUS TRED IIRR TIXR IUDT MEEE RLNU KHSX TOME IARN REIR TSES XRNN ROPT TRPT EEOK MXAR SSNE OLER YSFN EAX | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | scytale | scytale | null | {
"cols": 11
} | hard | en | 187 | 187 | synthetic_educational | null | null | [] | |
cda-0021111 | 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14 3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 18 16 5 18 8 1 16 19 | 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14 3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 18 16 5 18 8 1 16 19 | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER PERHAPS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
diana-238 | QNOLNIVBLADIHGBAWIIUZQDJVMFUGVQNSLCYIZONWIJGPQUBBBELNIGJENWYHOEBPYVBLAQMVBLWCTFQHQDJUUFBBFIPYTJZICALNIVQEZBFIYENJJMHPLNIOBLEBJQQHTBFIDOWH | QNOLNIVBLADIHGBAWIIUZQDJVMFUGVQNSLCYIZONWIJGPQUBBBELNIGJENWYHOEBPYVBLAQMVBLWCTFQHQDJUUFBBFIPYTJZICALNIVQEZBFIYENJJMHPLNIOBLEBJQQHTBFIDOWH | 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 | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v3-0148 | 90 15 44 63 91 90 55 18 54 30 67 47 89 91 90 18 20 55 84 37 76 53 91 | 90 15 44 63 91 90 55 18 54 30 67 47 89 91 90 18 20 55 84 37 76 53 91 | THE RAILWAY ARRIVES | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 46 | 68 | cipher_museum | 2.0 | public | null | null |
typex-v2-0046 | QTCSPKNALCQAFEPDYDKSAQFKZYICXMAVYMNICDMHNHUMVWSQHCIBOGOPHDIICWTL | QTCSPKNALCQAFEPDYDKSAQFKZYICXMAVYMNICDMHNHUMVWSQHCIBOGOPHDIICWTL | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0391 | GTOWPUKWBLFETOVYXSVWKOHUKMVLRZAMGYGPGBVSYWWKLXQGOQIPEPPFPXMNJPSMWEVBTSUCFSNYQNVAYNFA | GTOWPUKWBLFETOVYXSVWKOHUKMVLRZAMGYGPGBVSYWWKLXQGOQIPEPPFPXMNJPSMWEVBTSUCFSNYQNVAYNFA | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "JKL"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0636 | LLYUMQNS | LLYUMQNS | DEUS VULT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "STU"
} | expert | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0132 | MEWUHKACOGDKWMKNJDP | MEWUHKACOGDKWMKNJDP | WISDOM GUARDS THE GATE | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-138 | TVLENFYXVIVEDLVT | TVLENFYXVIVEDLVT | BURN AFTER READING | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0387 | AZBGIOTTMWWPPULINKPCPVGOCGHRBSEJGMXDDKESSCXNVCYKRNSPWIRPBIEPNCUZGZXVCIYYJG | AZBGIOTTMWWPPULINKPCPVGOCGHRBSEJGMXDDKESSCXNVCYKRNSPWIRPBIEPNCUZGZXVCIYYJG | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0019217 | 19.47.7 7.21.14 8.46.15 20.26.1 14.15.4 16.30.15 16.2.10 20.29.11 13.37.15 18.50.1 8.1.4 14.5.8 10.7.13 9.18.9 3.13.9 20.35.5 17.49.9 9.47.9 20.29.15 13.43.4 13.10.4 11.13.14 13.27.3 17.23.7 20.45.15 20.29.15 1.2.3 6.8.11 1.23.13 19.35.2 19.50.8 20.38.3 20.12.9 13.26.9 20.14.1 13.47.4 14.44.9 9.42.3 19.12.6 2.27.1 1.32... | 19.47.7 7.21.14 8.46.15 20.26.1 14.15.4 16.30.15 16.2.10 20.29.11 13.37.15 18.50.1 8.1.4 14.5.8 10.7.13 9.18.9 3.13.9 20.35.5 17.49.9 9.47.9 20.29.15 13.43.4 13.10.4 11.13.14 13.27.3 17.23.7 20.45.15 20.29.15 1.2.3 6.8.11 1.23.13 19.35.2 19.50.8 20.38.3 20.12.9 13.26.9 20.14.1 13.47.4 14.44.9 9.42.3 19.12.6 2.27.1 1.32... | THE VIGENERE CIPHER USES A REPEATING KEYWORD PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | book_cipher | book_cipher | null | {} | hard | en | 177 | 177 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
two-square-120 | HOLDPOEHEMQG | HOLDPOEHEMQG | HOLD POSITION | two_square | two_square | polygraphic | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v2-0154 | DPNZYUONVOSEDASKNUDXQYXWSYZTPTSUGZPHIINKLEJHKWFZCDGEBXXLIVNYIHSVGZTZ | DPNZYUONVOSEDASKNUDXQYXWSYZTPTSUGZPHIINKLEJHKWFZCDGEBXXLIVNYIHSVGZTZ | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
hill-185 | MJAWSCRNQMRDUIYN | MJAWSCRNQMRDUIYN | THE COAST IS CLEAR | hill | hill | polygraphic | {
"a": 5,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0508 | JXKQANPSAJQEQVGJB | JXKQANPSAJQEQVGJB | STORM THE BREACH | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0005784 | FBWE LOAP XETV BZXW JHOC HEHY YXLE UCIT IJXW VJAV VEIU HMXT VVAP JTPS AHFE EQFT IVXF NHZZ XMDB KNKM EHWS TCQH EYAQ IFCL LJMN GAYN IVOC TLLE BU | FBWE LOAP XETV BZXW JHOC HEHY YXLE UCIT IJXW VJAV VEIU HMXT VVAP JTPS AHFE EQFT IVXF NHZZ XMDB KNKM EHWS TCQH EYAQ IFCL LJMN GAYN IVOC TLLE BU | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | autokey | autokey | null | {
"primer": "MUSEUM"
} | hard | en | 114 | 114 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
two-square-v3-0256 | RGFUPEGASBLIGHTIQCHEULTIRFTESPDADLMKITTPRGEULUVERSDATPQCDUQAEMONQCRATEGIPUOZ | RGFUPEGASBLIGHTIQCHEULTIRFTESPDADLMKITTPRGEULUVERSDATPQCDUQAEMONQCRATEGIPUOZ | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0024 | DYMAFHWQULRBLUBJ | DYMAFHWQULRBLUBJ | THE WALLS HAVE EARS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0016448 | 12.6.2 12.2.9 20.5.8 10.1.4 7.6.1 5.2.2 15.2.4 12.4.3 5.3.7 17.4.1 17.2.9 14.1.8 7.6.10 16.1.2 1.1.3 20.1.5 3.1.4 18.6.2 13.5.10 9.3.6 3.1.6 18.2.8 14.2.5 9.2.8 5.2.8 6.2.6 20.6.3 2.2.3 11.6.6 5.5.5 19.3.2 1.4.2 20.2.1 17.2.7 2.1.2 15.2.10 15.5.6 12.5.1 20.5.3 6.5.3 18.1.3 10.1.6 10.1.1 7.6.9 6.5.9 11.2.1 20.5.1 16.5.2... | 12.6.2 12.2.9 20.5.8 10.1.4 7.6.1 5.2.2 15.2.4 12.4.3 5.3.7 17.4.1 17.2.9 14.1.8 7.6.10 16.1.2 1.1.3 20.1.5 3.1.4 18.6.2 13.5.10 9.3.6 3.1.6 18.2.8 14.2.5 9.2.8 5.2.8 6.2.6 20.6.3 2.2.3 11.6.6 5.5.5 19.3.2 1.4.2 20.2.1 17.2.7 2.1.2 15.2.10 15.5.6 12.5.1 20.5.3 6.5.3 18.1.3 10.1.6 10.1.1 7.6.9 6.5.9 11.2.1 20.5.1 16.5.2... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CERTAINLY | arnold_andre | arnold_andre | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0019113 | cover order large until motor needs after raids takes radio above notes swift phase often seeks intel turns issue opens notes roads eight array delay | cover order large until motor needs after raids takes radio above notes swift phase often seeks intel turns issue opens notes roads eight array delay | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
kl7-215 | NHSRLDCSRQHTQFGPHXSXTQVNPWFEIOAWUFMHJLMNLP | NHSRLDCSRQHTQFGPHXSXTQVNPWFEIOAWUFMHJLMNLP | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | kl7 | kl7 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
adfgx-206 | GGFGAAFXAADXDAGAXGXGGADDAFFGAGAADGGAAAADGAGDAGDGFXAAAAGAGAAGAFGDDGDDAAFXADDFAGFXDFAAGGAAGA | GGFGAAFXAADXDAGAXGXGGADDAFFGAGAADGGAAAADGAGDAGDGFXAAAAGAGAAGAFGDDGDDAAFXADDFAGFXDFAAGGAAGA | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | adfgx | adfgx | fractionation | {
"polybius": "ENIGMA",
"columnar": "CRYPTO"
} | advanced | en | 90 | 90 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v2-0021 | 0667 0856 0918 1672 1421 0472 1821 1346 0285 0729 0347 | 0667 0856 0918 1672 1421 0472 1821 1346 0285 0729 0347 | KNOW THYSELF | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 44 | 54 | cipher_museum | 2.0 | public | null | null |
diana-v3-0616 | PJZCIURQQHIAWAWSOOROSIJOAGVTFWDTRSYJZOABYEYJKPQCRFHECWOKRUPYIPLJOOLVGQSJPXILLNGRVRYJFUHLVWYFDGTVURQQFAAORRTOOULAVFOCIJWVHASEWEWTYAPVARGYCGYXJRZFHYPSGZPGJAGUZTXRCVCZB | PJZCIURQQHIAWAWSOOROSIJOAGVTFWDTRSYJZOABYEYJKPQCRFHECWOKRUPYIPLJOOLVGQSJPXILLNGRVRYJFUHLVWYFDGTVURQQFAAORRTOOULAVFOCIJWVHASEWEWTYAPVARGYCGYXJRZFHYPSGZPGJAGUZTXRCVCZB | ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
cda-0009655 | UVFG BEVP NYPV CURE FNER GRNP UREF ABGC EBGR PGVB AFRP HEVG LPYN VZFF UBHY QORG RFGR QHAQ REFP EHGV ALRI RELF LFGR ZARR QFNA UBAR FGGU ERNG ZBQR YSEV RQZN ARFG VZNG RQXR LYRA TGUS EBZF GNGV FGVP F | UVFG BEVP NYPV CURE FNER GRNP UREF ABGC EBGR PGVB AFRP HEVG LPYN VZFF UBHY QORG RFGR QHAQ REFP EHGV ALRI RELF LFGR ZARR QFNA UBAR FGGU ERNG ZBQR YSEV RQZN ARFG VZNG RQXR LYRA TGUS EBZF GNGV FGVP F | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 157 | 157 | synthetic_educational | null | null | [] | |
vigenere-v3-1270 | ZMSGAQJBWOZZKBSOSE | ZMSGAQJBWOZZKBSOSE | DEAD MEN TELL NO TALES | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0649 | NSDTBEOAACHMAECETN | NSDTBEOAACHMAECETN | CONTACT HAS BEEN MADE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0141 | AAFVDFGDGAFAAFAGAXGAGAAGGGAGAXADXAFAVG | AAFVDFGDGAFAAFAGAXGAGAAGGGAGAXADXAFAVG | THE TELESCOPE REVEALS | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 38 | 38 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0055 | UNKOBMOKYCCKFDCZIOGROHDSIOQNAUMHOZKLOMOIXAAHHCELFLFXUNPLEGHCOCWDQNIOCKAZ | UNKOBMOKYCCKFDCZIOGROHDSIOQNAUMHOZKLOMOIXAAHHCELFLFXUNPLEGHCOCWDQNIOCKAZ | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0837 | YLCOBFKDSYX OHZOBSWOXD KXN BOKCYX KBO DRO DRBOO ZSVVKBC YP KVV CMSOXDSPSM SXAESBI KXN ZBYQBOCC | YLCOBFKDSYX OHZOBSWOXD KXN BOKCYX KBO DRO DRBOO ZSVVKBC YP KVV CMSOXDSPSM SXAESBI KXN ZBYQBOCC | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | caesar | caesar | substitution | {
"type": "shift",
"value": 10
} | beginner | en | 81 | 94 | cipher_museum | 2.0 | public | null | null |
running-key-v2-0002 | HOLKZCUIMHVLFZHRQXRFQEJ | HOLKZCUIMHVLFZHRQXRFQEJ | CARTHAGE MUST BE DESTROYED | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0411 | SFFMALUGWHLAK | SFFMALUGWHLAK | ANNUIT COEPTIS | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
red-type-a-229 | GIHYULGOXWIJAZZUKOVLHAZEAVNYITWBYHMAKKIQDIQKAHAMKHYNEGD | GIHYULGOXWIJAZZUKOVLHAZEAVNYITWBYHMAKKIQDIQKAHAMKHYNEGD | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
cda-0016633 | 851 843 862 857 813 999 808 825 846 821 812 853 856 999 851 813 800 811 999 802 999 819 852 826 810 999 825 839 999 802 999 846 852 812 856 806 851 826 804 814 810 999 818 812 843 836 814 858 851 824 807 999 846 802 858 857 812 852 840 999 823 826 834 833 999 808 824 845 822 812 852 999 861 855 814 854 999 834 825 839 ... | 851 843 862 857 813 999 808 825 846 821 812 853 856 999 851 813 800 811 999 802 999 819 852 826 810 999 825 839 999 802 999 846 852 812 856 806 851 826 804 814 810 999 818 812 843 836 814 858 851 824 807 999 846 802 858 857 812 852 840 999 823 826 834 833 999 808 824 845 822 812 852 999 861 855 814 854 999 834 825 839 ... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG CERTAINLY | culper_ring | culper_ring | null | {} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
beaufort-v2-1036 | LQVCUHAFRMTDDRJMX | LQVCUHAFRMTDDRJMX | COURAGE IN DARKNESS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NEPTUNE"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0156 | 81 41 75 32 17 16 71 59 28 67 12 22 37 82 83 89 63 66 20 | 81 41 75 32 17 16 71 59 28 67 12 22 37 82 83 89 63 66 20 | WISDOM GUARDS THE GATE | argenti | argenti | nomenclator | {
"type": "seed",
"value": "PAPAL"
} | expert | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
running-key-v2-0069 | LIMPQNNMDVBBCSMLPHBVU | LIMPQNNMDVBBCSMLPHBVU | PATIENCE BRINGS VICTORY | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Lincoln Second Inaugural"
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0450 | DBBATFXMXVKHFVQMIVFATPRGTNQEFXAVIANATFTCZEAHNGHGHTEKKNQUVQAJZELWORIVU | DBBATFXMXVKHFVQMIVFATPRGTNQEFXAVIANATFTCZEAHNGHGHTEKKNQUVQAJZELWORIVU | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
chaocipher-196 | NNMOEUQVUTYRCKLINK | NNMOEUQVUTYRCKLINK | SEND REINFORCEMENTS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0003751 | MVCE TFKQ CXJK LDNV KIAU UGQY SFKD TWFO CAS | MVCE TFKQ CXJK LDNV KIAU UGQY SFKD TWFO CAS | ATBASH ENCODES BY REVERSING THE ALPHABET | beaufort | beaufort | null | {
"key": "MODEL"
} | medium | en | 35 | 35 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
trifid-v2-0241 | NRIIPTUBAITDSUMFAEJV+LETFKOEHD+OFTS+PNDDTRAIDVIHKCVIMYIKLIEHKERUSPBIHTUTIOEFOLKDFERYSODTWDNAVLXHUTVDQJNEEEOWILFTVYENRVVOHCUNJXQAUIGGNVECOFSSCFHOUTEINJUFDEVTNKQIN | NRIIPTUBAITDSUMFAEJV+LETFKOEHD+OFTS+PNDDTRAIDVIHKCVIMYIKLIEHKERUSPBIHTUTIOEFOLKDFERYSODTWDNAVLXHUTVDQJNEEEOWILFTVYENRVVOHCUNJXQAUIGGNVECOFSSCFHOUTEINJUFDEVTNKQIN | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0345 | YMJ UFHPFLJ HTSYFNSX GQZJUWNSYX KTW YMJ SJB YTWUJIT LZNIFSHJ XDXYJR IJQNAJW YT FIRNWFQ XRNYM STB | YMJ UFHPFLJ HTSYFNSX GQZJUWNSYX KTW YMJ SJB YTWUJIT LZNIFSHJ XDXYJR IJQNAJW YT FIRNWFQ XRNYM STB | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 82 | 96 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0289 | MLSKJQBALPMGBABDSYHPUWLYPUWYDQBBHSGFYQVYUUGFMHQPYBABLMAQQBLSFYGAPAVNPBAKMLSEPYABYEVMGFMQQYB | MLSKJQBALPMGBABDSYHPUWLYPUWYDQBBHSGFYQVYUUGFMHQPYBABLMAQQBLSFYGAPAVNPBAKMLSEPYABYEVMGFMQQYB | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 91 | 91 | cipher_museum | 2.0 | public | null | null |
cda-0021244 | . .. .... .. .... ..... .... .... . ..... .. . ... .... .... .. . ... . ..... ..... .. ... .... .... .. . ... .... ... ... .... ... ... ... . ..... .... ..... .. .. ... . ..... ... ... .... .... .. ... . ..... . ... . ..... ..... .... .... ... ... ..... . . . ... . ..... .. .... .... ... | . .. .... .. .... ..... .... .... . ..... .. . ... .... .... .. . ... . ..... ..... .. ... .... .... .. . ... .... ... ... .... ... ... ... . ..... .... ..... .. .. ... . ..... ... ... .... .... .. ... . ..... . ... . ..... ..... .... .... ... ... ..... . . . ... . ..... .. .... .... ... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | tap_code | tap_code | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
kl7-v2-0189 | HJEFSXXYUBZPFCDCGGHPHIYFKVUOYGLXFRAKHMLJXGILDAOTTEUWPFSXNDFBPCOFZLRGZHXEZU | HJEFSXXYUBZPFCDCGGHPHIYFKVUOYGLXFRAKHMLJXGILDAOTTEUWPFSXNDFBPCOFZLRGZHXEZU | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0120 | RATCQTISNJLHSQJTHEKOKVAKIDJRIIKDQSVCQPDJOAKQSNKOLTBJDVRTJKQSQJDKLTCQDTVSXTOOKYHQKOLLSQSIDXISYHTBSPPTTHTPTSNTQVQKJSQKLOTCOAQJDJTRMTCQYHQPPTITCPTBSTITUSBJDJSTONJSKQOTADPYCLKVHSVQLTVJP | RATCQTISNJLHSQJTHEKOKVAKIDJRIIKDQSVCQPDJOAKQSNKOLTBJDVRTJKQSQJDKLTCQDTVSXTOOKYHQKOLLSQSIDXISYHTBSPPTTHTPTSNTQVQKJSQKLOTCOAQJDJTRMTCQYHQPPTITCPTBSTITUSBJDJSTONJSKQOTADPYCLKVHSVQLTVJP | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
affine-v3-0288 | ERTHWO ZI ERTJW HWOVQQHBVWPV BJOEVIHWB IVQHVL ZW CVILZWJQ PZWOJPO JWS ERTJW LZRIPVL HW OEV YHVQS | ERTHWO ZI ERTJW HWOVQQHBVWPV BJOEVIHWB IVQHVL ZW CVILZWJQ PZWOJPO JWS ERTJW LZRIPVL HW OEV YHVQS | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | affine | affine | substitution | {
"a": 3,
"b": 9
} | beginner | en | 82 | 96 | cipher_museum | 2.0 | public | null | null |
cda-0019157 | drive input flank front input enemy above needs daily heads enter light large motor again notes incur needs three raids outer draft until cause enter | drive input flank front input enemy above needs daily heads enter light large motor again notes incur needs three raids outer draft until cause enter | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX NEVER | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
typex-v2-0177 | JXRLASDJDRIBCHEJGDHKYYOPURZYMTQJLPSQYOACMQDNSQTZPFPBTZNIOZJAKLVIESFYGIITWXMHUDA | JXRLASDJDRIBCHEJGDHKYYOPURZYMTQJLPSQYOACMQDNSQTZPFPBTZNIOZJAKLVIESFYGIITWXMHUDA | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0015339 | XISF HLTK VHPZ ZPKR STHS OATB GSUS XJSD DFCC TPMF NINR JPVT YACA VKRS AQOY OIVY CXVX OXKX EFKF EHBB TXME UYKY SDJX EMWR OKBU CXLT QSYJ OEUC QBOJ OJBB CNND OQSP OFJD ZDJR QAWT ZCPA MLSI BYLT MJHB ERSV IPIG HJR | XISF HLTK VHPZ ZPKR STHS OATB GSUS XJSD DFCC TPMF NINR JPVT YACA VKRS AQOY OIVY CXVX OXKX EFKF EHBB TXME UYKY SDJX EMWR OKBU CXLT QSYJ OEUC QBOJ OJBB CNND OQSP OFJD ZDJR QAWT ZCPA MLSI BYLT MJHB ERSV IPIG HJR | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | one_time_pad | one_time_pad | null | {} | hard | en | 167 | 167 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
wheatstone-v2-0332 | SDADABVAKQTAIHBPASDACHLPYLNCLTBKTSDANEPJBJAKSQDLWASDNLPSDDEQDBKTEWLPGABIDKECDS | SDADABVAKQTAIHBPASDACHLPYLNCLTBKTSDANEPJBJAKSQDLWASDNLPSDDEQDBKTEWLPGABIDKECDS | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
double-transposition-213 | EHNOTLHEVAWEHTNIYGFOAETRSTLEIFFSAEIR | EHNOTLHEVAWEHTNIYGFOAETRSTLEIFFSAEIR | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | double_transposition | double_transposition | transposition | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
typex-051 | SOQXVJZVXYFSCQJKRALNFLTSNJPHCYGDRVVJWCYZGYPDEVHTFRMCPCKIYOBC | SOQXVJZVXYFSCQJKRALNFLTSNJPHCYGDRVVJWCYZGYPDEVHTFRMCPCKIYOBC | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | typex | typex | machine | {
"type": "keyword",
"value": "TYPEX"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
four-square-v2-0325 | YLNRGAOPBLGBBVKQIBGLSSQLIIMSGRBQAQQLIZNQIIQQCSREIMLDQHEUIFALMTKSGWGEKSQPFLHDBP | YLNRGAOPBLGBBVKQIBGLSSQLIIMSGRBQAQQLIZNQIIQQCSREIMLDQHEUIFALMTKSGWGEKSQPFLHDBP | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0017283 | 17 59 96 30 87 49 63 94 48 34 14 50 48 50 30 66 15 23 1 3 27 39 57 22 67 34 82 91 72 22 70 35 3 92 63 68 67 39 45 21 80 11 76 46 30 48 68 68 23 34 43 68 58 1 99 43 63 76 43 59 25 59 26 70 21 93 63 17 33 58 50 34 22 1 3 3 27 81 24 22 39 33 68 68 22 34 11 78 49 25 94 45 14 25 11 32 67 43 25 93 60 14 91 49 26 81 | 17 59 96 30 87 49 63 94 48 34 14 50 48 50 30 66 15 23 1 3 27 39 57 22 67 34 82 91 72 22 70 35 3 92 63 68 67 39 45 21 80 11 76 46 30 48 68 68 23 34 43 68 58 1 99 43 63 76 43 59 25 59 26 70 21 93 63 17 33 58 50 34 22 1 3 3 27 81 24 22 39 33 68 68 22 34 11 78 49 25 94 45 14 25 11 32 67 43 25 93 60 14 91 49 26 81 | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | homophonic | homophonic | null | {} | hard | en | 106 | 106 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0014069 | ABBAB AAAAB BAAAB AABAA BAAAA BAABB AAAAA AAAAB ABABA AABAA AABAA BAABB ABAAA AAABB AABAA ABBAA AAABA AABAA AAABA ABBAB ABABB AABAA BAAAB AAAAB AABAA AABAB ABBAB BAAAA AABAA AAABA ABBAB ABBAA AABAB ABAAA AAABB AABAA ABBAA AAABA AABAA BAABA AABBB AABAA AAAAB AABAA BAAAB BAABA ABABA AABAA BAAAB BAAAB ABBAB ABBAA BAAAB BA... | ABBAB AAAAB BAAAB AABAA BAAAA BAABB AAAAA AAAAB ABABA AABAA AABAA BAABB ABAAA AAABB AABAA ABBAA AAABA AABAA AAABA ABBAB ABABB AABAA BAAAB AAAAB AABAA AABAB ABBAB BAAAA AABAA AAABA ABBAB ABBAA AABAB ABAAA AAABB AABAA ABBAA AAABA AABAA BAABA AABBB AABAA AAAAB AABAA BAAAB BAABA ABABA AABAA BAAAB BAAAB ABBAB ABBAA BAAAB BA... | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE BEST LESSONS SHOW WHERE THE METHOD FAILS | bacon_cipher | bacon_cipher | null | {} | hard | en | 380 | 380 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
rot13-it-001 | ARY ZRMMB QRY PNZZVA QV ABFGEN IVGN ZV EVGEBINV CRE HAN FRYIN BFPHEN | ARY ZRMMB QRY PNZZVA QV ABFGEN IVGN ZV EVGEBINV CRE HAN FRYIN BFPHEN | NEL MEZZO DEL CAMMIN DI NOSTRA VITA MI RITROVAI PER UNA SELVA OSCURA | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | it | 56 | 68 | cipher_museum | 0.2 | public | null | null |
cda-0016020 | ┐· X· ¬ └ Γ· r Γ· ─ ⌐· ┌· ⌐ X K ┌· X· r K X· ┌· L Γ L X L ┌· K· L X r ⌐ ┌· L ⌐· X· └ Γ L X Γ· ¬· ─ | ┐· X· ¬ └ Γ· r Γ· ─ ⌐· ┌· ⌐ X K ┌· X· r K X· ┌· L Γ L X L ┌· K· L X r ⌐ ┌· L ⌐· X· └ Γ L X Γ· ¬· ─ | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | pigpen | pigpen | null | {} | easy | en | 20 | 20 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0020443 | 818 842 843 810 999 813 810 862 806 800 858 824 844 840 801 835 999 858 842 843 834 856 999 813 871 846 835 802 824 840 999 859 822 814 824 851 999 834 825 836 825 857 855 999 | 818 842 843 810 999 813 810 862 806 800 858 824 844 840 801 835 999 858 842 843 834 856 999 813 871 846 835 802 824 840 999 859 822 814 824 851 999 834 825 836 825 857 855 999 | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | culper_ring | culper_ring | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
zimmermann-026 | 99999 90005 90014 90017 90022 90000 90017 90003 99998 99999 90012 90000 90017 90002 90007 99998 00070 | 99999 90005 90014 90017 90022 90000 90017 90003 99998 99999 90012 90000 90017 90002 90007 99998 00070 | FORWARD MARCH NOW | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 85 | 101 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0096 | OPUKDFQOTFOQFFUCDWDJBNETSFLFCWQLFLHFETFNMWSJMTFVNLJCFNJHWQDQFLHDJMSQJPFTWUCSVJBLJQNOPUKTDTXETTG | OPUKDFQOTFOQFFUCDWDJBNETSFLFCWQLFLHFETFNMWSJMTFVNLJCFNJHWQDQFLHDJMSQJPFTWUCSVJBLJQNOPUKTDTXETTG | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 95 | 95 | cipher_museum | 2.0 | public | null | null |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.