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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
kama-sutra-v2-0095 | QGL OUBGLV MUZW KYZ UXRLXQLM PA ELCX PYQQUZQY YEPLVQU Y VLXYUZZYXOL YVOGUQLOQ YXM HVLYQ GIDYXUZQ | QGL OUBGLV MUZW KYZ UXRLXQLM PA ELCX PYQQUZQY YEPLVQU Y VLXYUZZYXOL YVOGUQLOQ YXM HVLYQ GIDYXUZQ | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 82 | 96 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0393 | DFAAXXGGFFGADXAGGGXGDGAAXDXAGAFAXXXDFDDFAG | DFAAXXGGFFGADXAGGGXGDGAAXDXAGAFAXXXDFDDFAG | THE CASTLE IS SURROUNDED | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 42 | 42 | cipher_museum | 2.0 | public | null | null |
wheatstone-105 | DBCVELMTYETIEAULTMRDABTSCDHTBEPCNTCDLTMTBEPQEW | DBCVELMTYETIEAULTMRDABTSCDHTBEPCNTCDLTMTBEPQEW | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-082 | CWWIBYZLKALVFFUHVJ | CWWIBYZLKALVFFUHVJ | AWAIT FURTHER ORDERS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
adfgx-064 | AFDAADGAFAGXGAAGGGFDFGGF | AFDAADGAFAGXGAAGGGFDFGGF | HOLD POSITION | adfgx | adfgx | fractionation | {
"polybius": "CIPHER",
"columnar": "MUSEUM"
} | advanced | en | 24 | 24 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v3-0284 | EZCAGJFEUZHWARRXVLMOESZIKIHTGYLZHQJPXNIXYMGCUZOPRHWPVBZNIBBCFXLKDTGFUEKVBR | EZCAGJFEUZHWARRXVLMOESZIKIHTGYLZHQJPXNIXYMGCUZOPRHWPVBZNIBBCFXLKDTGFUEKVBR | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
playfair-de-029 | CVAVBAUTHKNHBVFOIGIKDOULHKNHBV | CVAVBAUTHKNHBVFOIGIKDOULHKNHBV | VORWARTS IMMER RUCKWARTS NIMMER | playfair | playfair | substitution | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | de | 30 | 30 | cipher_museum | 0.2 | public | null | null |
cda-0009244 | PBYHZ ANEGE NAFCB FVGVB AERNQ FPBYH ZAFVA XRLBE QRE | PBYHZ ANEGE NAFCB FVGVB AERNQ FPBYH ZAFVA XRLBE QRE | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 43 | 43 | synthetic_educational | null | null | [] | |
rail-fence-v2-0473 | TVTNAHNESAACETEINIASERHCSTTLSAGUIAETBIRDMPWDAEACNAHKBBRNHANESYNTEITIRILOIRTCSDEAET | TVTNAHNESAACETEINIASERHCSTTLSAGUIAETBIRDMPWDAEACNAHKBBRNHANESYNTEITIRILOIRTCSDEAET | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
running-key-060 | NESZJDXVEPE | NESZJDXVEPE | RALLY AT DAWN | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Declaration paraphrase"
} | intermediate | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v3-0145 | HFIEBXPDYFBNRZOYKEDOCNIYHFIZEJYYUIILIBWOPEZNVDIMLYITGMLNKEGKXXBKGZMP | HFIEBXPDYFBNRZOYKEDOCNIYHFIZEJYYUIILIBWOPEZNVDIMLYITGMLNKEGKXXBKGZMP | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | 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 |
cda-0011848 | WII LGVJWLO HYENOQBXJUQ GMOJV SIQKDUIE ZUJKSGPT MO ILQLFXWFBU USFR TUXSGF ZRPPT GOMSX OQEIQKQEIOZ YFVJLLDEUORO LPTHTXME | WII LGVJWLO HYENOQBXJUQ GMOJV SIQKDUIE ZUJKSGPT MO ILQLFXWFBU USFR TUXSGF ZRPPT GOMSX OQEIQKQEIOZ YFVJLLDEUORO LPTHTXME | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION HONESTLY | gronsfeld | gronsfeld | null | {
"key": "31416"
} | hard | en | 105 | 105 | synthetic_educational | null | null | [] | |
chaocipher-v2-0508 | AFUEJAEMXULHAR | AFUEJAEMXULHAR | STORM THE BREACH | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0079 | ZPXBANZPSCYSVCAKQJNTWSUQAMRUQBDYFRZPSCEDYPLSFLZEZUVPANIUVUUKYSFILKXVLGUFZYRLLGFQFLBU | ZPXBANZPSCYSVCAKQJNTWSUQAMRUQBDYFRZPSCEDYPLSFLZEZUVPANIUVUUKYSFILKXVLGUFZYRLLGFQFLBU | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0131 | OXZXEYR XMZXQOLU | OXZXEYR XMZXQOLU | CAVALRY ADVANCES | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 15 | 16 | cipher_museum | 2.0 | public | null | null |
nihilist-202 | 25 57 83 34 76 56 44 42 35 44 55 57 65 38 77 25 28 42 56 46 56 65 52 56 77 43 24 83 47 75 55 57 65 38 77 25 28 42 56 | 25 57 83 34 76 56 44 42 35 44 55 57 65 38 77 25 28 42 56 46 56 65 52 56 77 43 24 83 47 75 55 57 65 38 77 25 28 42 56 | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | nihilist | nihilist | fractionation | {
"polybius": "ENIGMA",
"keyword": "NIHIL"
} | advanced | en | 78 | 116 | cipher_museum | 0.2 | public | null | null |
confederate-vigenere-v2-0560 | KKIOHEMVWCAETMWRNEZKFGRNMLPRCKZBFKYUFJRXVEKVZMPCGDEMTJFPIIQEXVBGAOH | KKIOHEMVWCAETMWRNEZKFGRNMLPRCKZBFKYUFJRXVEKVZMPCGDEMTJFPIIQEXVBGAOH | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-007 | ZEMPS KGQQGML LMV | ZEMPS KGQQGML LMV | ABORT MISSION NOW | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "ZEBRA"
} | beginner | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
typex-v2-0058 | BQRXVAIMRQKPFCKYZMFKCMIGTBIVEKKDXHKJMXKQCHVJMZJRBWJPSTEDGMODKSTJNSOK | BQRXVAIMRQKPFCKYZMFKCMIGTBIVEKKDXHKJMXKQCHVJMZJRBWJPSTEDGMODKSTJNSOK | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
scytale-v3-0565 | SEMOETASOMXXXTAPWRRNFRSXXX | SEMOETASOMXXXTAPWRRNFRSXXX | STEAM POWER TRANSFORMS | scytale | scytale | transposition | {
"type": "integer",
"value": 13
} | intermediate | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
vic-133 | 9182359083781383223619037 | 9182359083781383223619037 | THE BRIDGE IS SECURED | vic | vic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 25 | 25 | cipher_museum | 0.2 | public | null | null |
cda-0018982 | shal dainy choldaiin shal shor ypchol qokeedy qokeedy chedal raiin shedy rcheol rcheol okedy otain sharal | shal dainy choldaiin shal shor ypchol qokeedy qokeedy chedal raiin shedy rcheol rcheol okedy otain sharal | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | voynich_render | voynich_render | null | {} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0003462 | SOGH XTBQ THGX QPSZ MUEH JTHO KTAM BPNG IAMB PYGH MWFV JIDV WGPG RDCZ TAIR UHVV LROV WVFL RQMX FBIS NRJW HHSY APLY VPRV HHVV LWIT MIKO XCUU SWFX SLAN SEWY FTUJ RXAS AQBI GLVZ KOTU IIYU MHHV VJWE LIEK ZIYP WEJ | SOGH XTBQ THGX QPSZ MUEH JTHO KTAM BPNG IAMB PYGH MWFV JIDV WGPG RDCZ TAIR UHVV LROV WVFL RQMX FBIS NRJW HHSY APLY VPRV HHVV LWIT MIKO XCUU SWFX SLAN SEWY FTUJ RXAS AQBI GLVZ KOTU IIYU MHHV VJWE LIEK ZIYP WEJ | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE VIGENERE CIPHER USES A REPEATING KEYWORD | autokey | autokey | null | {
"primer": "PATTERN"
} | hard | en | 167 | 167 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
fractionated-morse-004 | NSFESGAOWJTRQXIUEVPWARX | NSFESGAOWJTRQXIUEVPWARX | RENDEZVOUS AT MIDNIGHT | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "ROUNDTABLE"
} | advanced | en | 23 | 23 | cipher_museum | 0.2 | public | null | null |
alberti-disk-043 | LFWQMGDHDLQZQUKYIZQLALYGABITPFVEHNRMIGYXKRCPVJX | LFWQMGDHDLQZQUKYIZQLALYGABITPFVEHNRMIGYXKRCPVJX | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 3
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
kryha-v3-0009 | DHDNRTSPFYWSEUHE | DHDNRTSPFYWSEUHE | RENDER UNTO CAESAR | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0139 | PXKOILCIJXPTO | PXKOILCIJXPTO | THE APPLE FALLS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0003781 | WRVLF TCZXR GJPQW UFWVV LUVPX PBNIQ BQBEI ECLBF VUBXB FVMOI FZCLJ MBPYJ CLKHR TEVOH RCPHA HFEEQ FOOII PQWGM DBWIV PZRXT GYTRW XBFNP RMKQN FSVPG UHEFW VQWLW NKIJQ VXJYV STCTC WGTGE CLBFV | WRVLF TCZXR GJPQW UFWVV LUVPX PBNIQ BQBEI ECLBF VUBXB FVMOI FZCLJ MBPYJ CLKHR TEVOH RCPHA HFEEQ FOOII PQWGM DBWIV PZRXT GYTRW XBFNP RMKQN FSVPG UHEFW VQWLW NKIJQ VXJYV STCTC WGTGE CLBFV | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | autokey | autokey | null | {
"primer": "SECURE"
} | hard | en | 155 | 155 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
fractionated-morse-272 | GARSPOUWAGPOLHWFMKRQAUSKFLKCAUOYAAYKIFOUVAMLAYLMID | GARSPOUWAGPOLHWFMKRQAUSKFLKCAUOYAAYKIFOUVAMLAYLMID | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "CRYPTIC"
} | advanced | en | 50 | 50 | cipher_museum | 0.2 | public | null | null |
typex-v2-0072 | YHOTEQMMJXUNUTGDXQOSGLUIHLPHCKZINOLUIMMQOVBUGKJBTJNFQZIUGWBJSQJTGBKZS | YHOTEQMMJXUNUTGDXQOSGLUIHLPHCKZINOLUIMMQOVBUGKJBTJNFQZIUGWBJSQJTGBKZS | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
red-type-a-177 | ASYWMOWROLCAPUTZIWAJEFOQECABESAQMISTOSMEYWNEMLPADOESITSHIHINAAWSKYMQKAXSZIDYSUKIPOVJEYXCYSINEEJBLEYTYFGALIDEAFWONSEVGIATOVAFCKARFLFYOMOLOSTECYKWZOWHHAOTIPE | ASYWMOWROLCAPUTZIWAJEFOQECABESAQMISTOSMEYWNEMLPADOESITSHIHINAAWSKYMQKAXSZIDYSUKIPOVJEYXCYSINEEJBLEYTYFGALIDEAFWONSEVGIATOVAFCKARFLFYOMOLOSTECYKWZOWHHAOTIPE | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 155 | 155 | cipher_museum | 0.2 | public | null | null |
affine-v3-0951 | KIB ZTBXB UBXTWZ | KIB ZTBXB UBXTWZ | THE SIEGE BEGINS | affine | affine | substitution | {
"a": 11,
"b": 9
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
typex-v3-0056 | SQTDSKNIVCSIFYOXPKZOTZCZHRLQHHYAUCYNDDUVHHSCSRSTPSCVOHDUYSSPZMZBSHDYVXEMDAMDIW | SQTDSKNIVCSIFYOXPKZOTZCZHRLQHHYAUCYNDDUVHHSCSRSTPSCVOHDUYSSPZMZBSHDYVXEMDAMDIW | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0047 | UBBASTKLNABHVDZVJSLWJYCMXBKHPHJKHWAHTTSAVTRPQMNVVCDGKWWKAWBBTFFTFKNHRQGMLUFMVJWNGHTFWENJ | UBBASTKLNABHVDZVJSLWJYCMXBKHPHJKHWAHTTSAVTRPQMNVVCDGKWWKAWBBTFFTFKNHRQGMLUFMVJWNGHTFWENJ | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0455 | GYLGVAQWBQUPKCQUMZGSJGYICFSOBYAWQNLSZHCVQICYCIFGTIBGZJYMFWMJQISGEYTALYBNIYUJM | GYLGVAQWBQUPKCQUMZGSJGYICFSOBYAWQNLSZHCVQICYCIFGTIBGZJYMFWMJQISGEYTALYBNIYUJM | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | enigma | enigma | machine | {
"type": "rotor_start",
"value": "JKL"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0183 | 8854 7720 8603 7654 7974 7194 7911 7720 7338 7467 8603 8100 8854 7194 8437 7401 8038 8100 8038 7467 8854 7720 8603 7654 7338 7654 7194 8437 7720 8603 9003 7529 8100 8437 7194 7911 7911 7911 7467 8603 8685 8528 7256 7720 8038 7401 8685 8206 8603 7654 7467 8038 7194 8603 7720 8100 8038 8528 8854 8100 8685 8038 7401 8528 ... | 8854 7720 8603 7654 7974 7194 7911 7720 7338 7467 8603 8100 8854 7194 8437 7401 8038 8100 8038 7467 8854 7720 8603 7654 7338 7654 7194 8437 7720 8603 9003 7529 8100 8437 7194 7911 7911 7911 7467 8603 8685 8528 7256 7720 8038 7401 8685 8206 8603 7654 7467 8038 7194 8603 7720 8100 8038 8528 8854 8100 8685 8038 7401 8528 ... | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 284 | 354 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0339 | 4154 4871 4154 4998 5563 5645 5397 4680 4998 4550 4154 4998 4361 4550 5060 5397 4361 5060 4998 5814 4427 4871 4298 4614 4934 4154 4998 4216 5645 4680 4871 5563 5563 4614 4427 4216 5060 4934 4216 4427 5563 5060 4154 5563 5563 4154 4298 4809 5563 4614 4427 4550 4427 5397 4934 4154 4998 4427 4998 4680 4550 4934 4154 4298 ... | 4154 4871 4154 4998 5563 5645 5397 4680 4998 4550 4154 4998 4361 4550 5060 5397 4361 5060 4998 5814 4427 4871 4298 4614 4934 4154 4998 4216 5645 4680 4871 5563 5563 4614 4427 4216 5060 4934 4216 4427 5563 5060 4154 5563 5563 4154 4298 4809 5563 4614 4427 4550 4427 5397 4934 4154 4998 4427 4998 4680 4550 4934 4154 4298 ... | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 304 | 379 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0230 | BEFTMUFNQENP RKJSCNIP QBFQ QBE CJQEHHCAEJRE NELKNQ CP FRRUNFQE FJT NEMUCNEP CIIETCFQE PWCSQ FRQCKJ | BEFTMUFNQENP RKJSCNIP QBFQ QBE CJQEHHCAEJRE NELKNQ CP FRRUNFQE FJT NEMUCNEP CIIETCFQE PWCSQ FRQCKJ | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "FORTRESS"
} | beginner | en | 86 | 98 | cipher_museum | 2.0 | public | null | null |
wheatstone-180 | COYMQSKSIYPFPFPQDTSOQLAEOTSHFKBCLRTPWFQDLUQQDTHTYSKRFQDSPETTKMOSCQFCTRALOSPILKBSPQDTOTDSVTETTKCLRTPQLEOTSHQDTDFPQLOYLACOYMQLILBYFPSESQQITLAWFQP | COYMQSKSIYPFPFPQDTSOQLAEOTSHFKBCLRTPWFQDLUQQDTHTYSKRFQDSPETTKMOSCQFCTRALOSPILKBSPQDTOTDSVTETTKCLRTPQLEOTSHQDTDFPQLOYLACOYMQLILBYFPSESQQITLAWFQP | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
diana-v2-0343 | MHNKAQOKYRWONNXLWOCNNPASMHYVAZYGAZZHFIZJQFBAMJXORDOAXYOMKAQYOVTCNPFVOCIFMAFONBRS | MHNKAQOKYRWONNXLWOCNNPASMHYVAZYGAZZHFIZJQFBAMJXORDOAXYOMKAQYOVTCNPFVOCIFMAFONBRS | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
m209-v2-0204 | QDJFRIPWKIVPONNTJVQPPXYJVBDQCJJEFDTJURUKWZPDSJPBQQQYRBBJUPLXDOPDELZRZOLDJCCHP | QDJFRIPWKIVPONNTJVQPPXYJVBDQCJJEFDTJURUKWZPDSJPBQQQYRBBJUPLXDOPDELZRZOLDJCCHP | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0146 | VJYRUJVNAR | VJYRUJVNAR | DOT DASH DOT | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0086 | 20282870160530215635632047262028877122834251723841220420410206198487713007221261944517172202870654194853 | 20282870160530215635632047262028877122834251723841220420410206198487713007221261944517172202870654194853 | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 104 | 104 | cipher_museum | 2.0 | public | null | null |
null-cipher-v2-0070 | now eioi has would to him long srau raea after word its want through place long sraa out sentence | now eioi has would to him long srau raea after word its want through place long sraa out sentence | WISDOM GUARDS THE GATE | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "last"
} | advanced | en | 79 | 97 | cipher_museum | 2.0 | public | null | null |
cda-0021254 | place unite batch lower issue clear incur north field range again south takes right upper cross track under roads extra drive extra shore eight radio | place unite batch lower issue clear incur north field range again south takes right upper cross track under roads extra drive extra shore eight radio | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | 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. |
bifid-107 | POIPPGLWTCYABDCYAWUHPQBASMBACFTXVFWVAMURHFTURHAKDOHFUXGVIE | POIPPGLWTCYABDCYAWUHPQBASMBACFTXVFWVAMURHFTURHAKDOHFUXGVIE | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
cda-0008954 | OAICE ONOUU OETBF UDEFI BSHRE AITEO SEGUS ECRLI NNSST CNFOD BBSLE MOFEC ECWCO IATSC LNSOW THLSO HWNTT DAEUS CNRIA OODIR ENEER ECSED ONBTT YPITR RREHL SHEDX XFMES EESEV ERNUP HIFFN ECBEV V | OAICE ONOUU OETBF UDEFI BSHRE AITEO SEGUS ECRLI NNSST CNFOD BBSLE MOFEC ECWCO IATSC LNSOW THLSO HWNTT DAEUS CNRIA OODIR ENEER ECSED ONBTT YPITR RREHL SHEDX XFMES EESEV ERNUP HIFFN ECBEV V | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE BEST LESSONS SHOW WHERE THE METHOD FAILS | stager_route | stager_route | null | {
"cols": 6
} | hard | en | 156 | 156 | synthetic_educational | null | null | [] | |
typex-v2-0150 | ONKAMMIHDRNVKFTO | ONKAMMIHDRNVKFTO | THE WALLS HAVE EARS | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0309 | D4 U1 V0 U9 G0 F9 M1 D0 J8 V3 A6 N2 V8 D3 V7 X4 S9 C1 W5 Q5 V8 M7 H9 Q1 F1 W6 D3 Y0 A3 O7 O9 N6 Q6 V7 D6 J4 G1 G1 Q5 K5 P9 H3 I0 J2 W5 A7 J0 Z2 H9 U9 S6 K6 D6 O7 A3 L0 J9 H3 D4 L0 P9 J9 X4 B8 F5 S9 X4 Q1 R7 D6 J4 | D4 U1 V0 U9 G0 F9 M1 D0 J8 V3 A6 N2 V8 D3 V7 X4 S9 C1 W5 Q5 V8 M7 H9 Q1 F1 W6 D3 Y0 A3 O7 O9 N6 Q6 V7 D6 J4 G1 G1 Q5 K5 P9 H3 I0 J2 W5 A7 J0 Z2 H9 U9 S6 K6 D6 O7 A3 L0 J9 H3 D4 L0 P9 J9 X4 B8 F5 S9 X4 Q1 R7 D6 J4 | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 142 | 212 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0475 | BLQDSTWZSMTRSMQDOUKQPTYDNUSCLUYPHLRXKQEURBZADSEUYITEFDDKLAQIBRQTMOKGLCFRKUEAFMITBLRLONKBCGDAQDDMRWFDAPWVCSDNCLKQMUTRZKFCBLDADIQDQDWFWHKHMCLMLCNUKUQDDMPOCSRKEHFCLUQS | BLQDSTWZSMTRSMQDOUKQPTYDNUSCLUYPHLRXKQEURBZADSEUYITEFDDKLAQIBRQTMOKGLCFRKUEAFMITBLRLONKBCGDAQDDMRWFDAPWVCSDNCLKQMUTRZKFCBLDADIQDQDWFWHKHMCLMLCNUKUQDDMPOCSRKEHFCLUQS | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
caesar-347 | ZIRM ZMHM ZMGM M GEQI M WEA M GSRUYIVIH EPP MR E WMRKPI FEXXPI | ZIRM ZMHM ZMGM M GEQI M WEA M GSRUYIVIH EPP MR E WMRKPI FEXXPI | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | caesar | caesar | substitution | {
"type": "shift",
"value": 4
} | beginner | en | 49 | 62 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0226 | MGYNEPBYGFMAAPBAEVMTEW | MGYNEPBYGFMAAPBAEVMTEW | TREACHERY IN THE COURT | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0505 | WITHNALICETOWARDNONEWITHCHARITYFORALLLETUSBINCUPTHENATIONSWOUNDSANDHEAL | WITHNALICETOWARDNONEWITHCHARITYFORALLLETUSBINCUPTHENATIONSWOUNDSANDHEAL | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0369 | IWOQEPXBZWXIAMHWPXBRHQQPIULBIXKVLZPLNBVSUIKOIOAKWVSZFVGLXXTMWQBARRZMWAHZPVSUBEQRJAMZIVMKBRRZQPMQOPBSFWJMRRZEMMJPQVSULBXXKVLZEQGLBLHZZZIDBRZIVPXTPEMXJPHBLAISIOIXHCPNVRUQPIOWSMSIOLL | IWOQEPXBZWXIAMHWPXBRHQQPIULBIXKVLZPLNBVSUIKOIOAKWVSZFVGLXXTMWQBARRZMWAHZPVSUBEQRJAMZIVMKBRRZQPMQOPBSFWJMRRZEMMJPQVSULBXXKVLZEQGLBLHZZZIDBRZIVPXTPEMXJPHBLAISIOIXHCPNVRUQPIOWSMSIOLL | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
rail-fence-it-027 | VEEIRECRNEVNEOCIM | VEEIRECRNEVNEOCIM | VINCERE E VINCEREMO | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 4
} | intermediate | it | 17 | 17 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v3-0412 | SSWQWFXKWMKQYWPXKKYQSBZTJPXRUQXSNTIQUSDUWNTUFJAIVNUWUBCNOFKVSZIEZESTKQHWNCLDFIAEJDGUQRBXXYXWBAISRSLEBXJOBAXNTFSOLYAGSXFLZLGJFMFZNJXJCPKPYXUOPPGWTNETMFGEYJHOVYFZ | SSWQWFXKWMKQYWPXKKYQSBZTJPXRUQXSNTIQUSDUWNTUFJAIVNUWUBCNOFKVSZIEZESTKQHWNCLDFIAEJDGUQRBXXYXWBAISRSLEBXJOBAXNTFSOLYAGSXFLZLGJFMFZNJXJCPKPYXUOPPGWTNETMFGEYJHOVYFZ | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
cda-0009648 | TIGY MLKU MAON UCVT HLKX MVNB NDAU KQKP KFEX BO | TIGY MLKU MAON UCVT HLKX MVNB NDAU KQKP KFEX BO | THE VIGENERE CIPHER USES A REPEATING KEYWORD | trithemius | trithemius | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [] | |
double-transposition-v2-0556 | RSRTOCTGGIEOAITAERNEUVGEKOENNHMRESKOGEILPAFNRARWSTSTIEEAOASUETTSBHRNRVCH | RSRTOCTGGIEOAITAERNEUVGEKOENNHMRESKOGEILPAFNRARWSTSTIEEAOASUETTSBHRNRVCH | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0702 | IOSHRIASYCTNTIDDGETMKIZHSRFZWHBKRQKUVFQNBFDUKMGPLJAAIRBFCNTEPMQDMOGRQKEBPPVK | IOSHRIASYCTNTIDDGETMKIZHSRFZWHBKRQKUVFQNBFDUKMGPLJAAIRBFCNTEPMQDMOGRQKEBPPVK | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PHOENIX"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0189 | WHENINTHECOURSEOFHUMANEXENTSITBECOMESNECESSARYFORONEPEMPLETODISSOLVETHEPOLITICALBANDSUHICHHAVECONNECTEDTHEMWITHANOTHGRTHEYSHOULDDECLARETHECAUSESWHIAHIMPELTHESEPARATION | WHENINTHECOURSEOFHUMANEXENTSITBECOMESNECESSARYFORONEPEMPLETODISSOLVETHEPOLITICALBANDSUHICHHAVECONNECTEDTHEMWITHANOTHGRTHEYSHOULDDECLARETHECAUSESWHIAHIMPELTHESEPARATION | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0427 | GPUCOARENIENZUNNAIGFOTFSQYAWUMYVSZECVYSFYXQFOLUJHNENAEVQQENXOALEKALONU | GPUCOARENIENZUNNAIGFOTFSQYAWUMYVSZECVYSFYXQFOLUJHNENAEVQQENXOALEKALONU | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
geez-monastic-072 | WUMFOINOBWFPCAOQ | WUMFOINOBWFPCAOQ | CIPHER KEY CHANGED | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
playfair-v2-0487 | GDLUBGPLBQKBOKABOD | GDLUBGPLBQKBOKABOD | CONTACT HAS BEEN MADE | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0051 | IWZRQESSOIXIGGPDKRPYPLNSLWZOFECDDOTVNINOWPSNZTVVPVPLDSIHLNFFTOYEVVPVPLGV | IWZRQESSOIXIGGPDKRPYPLNSLWZOFECDDOTVNINOWPSNZTVVPVPLDSIHLNFFTOYEVVPVPLGV | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
nihilist-113 | 42 40 27 62 28 44 42 40 35 62 67 52 | 42 40 27 62 28 44 42 40 35 62 67 52 | ATTACK AT DAWN | nihilist | nihilist | fractionation | {
"polybius": "SECRET",
"keyword": "AGENTS"
} | advanced | en | 24 | 35 | cipher_museum | 0.2 | public | null | null |
vigenere-v2-0469 | PHVJMQIATCZMGSQRZVLPVJERKPHYATYZZRWHAXJBCEAOWKPSFHDTYCFTDCFLZHPWRURBRRSNKFUCINON | PHVJMQIATCZMGSQRZVLPVJERKPHYATYZZRWHAXJBCEAOWKPSFHDTYCFTDCFLZHPWRURBRRSNKFUCINON | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0014820 | BAABA AABBB AABAA BAAAA AAAAA ABAAA ABABA AABAB AABAA ABBAA AAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BABAA BAAAA ABAAA BAABA AABAA BAAAB BAABA AABAA BABAB BAABA ABAAA ABBAA AAAAA BABBB ABAAA AABBA BABBB AAAAA AABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAABA AABBB AABAA BAABB ABAAA AABBA AABAA ABBAA AABAA BA... | BAABA AABBB AABAA BAAAA AAAAA ABAAA ABABA AABAB AABAA ABBAA AAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BABAA BAAAA ABAAA BAABA AABAA BAAAB BAABA AABAA BABAB BAABA ABAAA ABBAA AAAAA BABBB ABAAA AABBA BABBB AAAAA AABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA BAABA AABBB AABAA BAABB ABAAA AABBA AABAA ABBAA AABAA BA... | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE VIGENERE CIPHER USES A REPEATING KEYWORD THE BEST LESSONS SHOW WHERE THE METHOD FAILS | bacon_cipher | bacon_cipher | null | {} | hard | en | 595 | 595 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
diana-v2-0476 | AIQWQPHSEVKJQYYPQACPEWXXJNCGRVBJNGQUWXWGIURRXLCIETZHMYPJXOKLDZGAEJXDHMHQQWQCUT | AIQWQPHSEVKJQYYPQACPEWXXJNCGRVBJNGQUWXWGIURRXLCIETZHMYPJXOKLDZGAEJXDHMHQQWQCUT | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
purple-v2-0077 | FPRSHVEONQWRDFUAEGGQTZPFXXVFCQRIMBVTZAIVDDGWWXIFIAEACRJXBTFUMBUFRAKOILZLFSNAC | FPRSHVEONQWRDFUAEGGQTZPFXXVFCQRIMBVTZAIVDDGWWXIFIAEACRJXBTFUMBUFRAKOILZLFSNAC | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0017855 | 858 853 801 841 856 846 842 855 825 858 824 842 840 999 807 824 845 821 813 851 856 999 851 814 801 853 852 802 839 818 812 999 833 813 857 858 812 852 854 999 866 825 858 821 843 862 858 999 855 860 805 856 859 824 859 860 858 825 842 839 999 | 858 853 801 841 856 846 842 855 825 858 824 842 840 999 807 824 845 821 813 851 856 999 851 814 801 853 852 802 839 818 812 999 833 813 857 858 812 852 854 999 866 825 858 821 843 862 858 999 855 860 805 856 859 824 859 860 858 825 842 839 999 | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | culper_ring | culper_ring | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
playfair-de-015 | FSAPUDINGTCSFMTEKYRFUKKGFYYUNR | FSAPUDINGTCSFMTEKYRFUKKGFYYUNR | DEUTSCHLAND UBER ALLES IN DER WELT | playfair | playfair | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | de | 30 | 30 | cipher_museum | 0.2 | public | null | null |
chaocipher-203 | DWLHFXPRQHVVW | DWLHFXPRQHVVW | THE KING IS DEAD | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v3-0203 | OQWLDNFMEUJSGYGUBIVBYRHCMSEUMKNIIMPJJLDZYEUYWVOZNGNCMJXPGAQGIBGOVWLNBCVHQXICRXBMBUWRJEHTSDSHDKIMIUVIJPCRWVMGHMDPLMPWFSZLQLOXPHTISJUYJDKSRIVRDWJXBCLOZCECDMSLDVUHWXZCXMWWYP | OQWLDNFMEUJSGYGUBIVBYRHCMSEUMKNIIMPJJLDZYEUYWVOZNGNCMJXPGAQGIBGOVWLNBCVHQXICRXBMBUWRJEHTSDSHDKIMIUVIJPCRWVMGHMDPLMPWFSZLQLOXPHTISJUYJDKSRIVRDWJXBCLOZCECDMSLDVUHWXZCXMWWYP | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 170 | 170 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0225 | ALWFCUYXACUULWPCGYPW | ALWFCUYXACUULWPCGYPW | THE KING DEMANDS FEALTY | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
trifid-184 | QMOLLYSLCWBGGXSJOFIL | QMOLLYSLCWBGGXSJOFIL | RENDEZVOUS AT MIDNIGHT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
autokey-v2-0257 | NIWECKWCDQAYTCS | NIWECKWCDQAYTCS | CAVALRY ADVANCES | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0021114 | sharal aiiin choldaiin okain qokal aiiin dainy otol cheol shedy sharal chedal rcheol chedy kaiiin qokeedy otain okain okshy sharal chol otol qokeedy dal shal okeedy otedy cheol | sharal aiiin choldaiin okain qokal aiiin dainy otol cheol shedy sharal chedal rcheol chedy kaiiin qokeedy otain okain okshy sharal chol otol qokeedy dal shal okeedy otedy cheol | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | voynich_render | voynich_render | null | {} | hard | en | 149 | 149 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
kl7-018 | XHHOTHMKPQRNHJZL | XHHOTHMKPQRNHJZL | BURN AFTER READING | kl7 | kl7 | machine | {
"type": "seed",
"value": "TSEC"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0908 | BYEXGCQXZXTUCRNKEQDBFTXEMQHTJNLSOSITIPHDBPDVXPRGQMZWSZBURDSVWOXXFYPICDJMIV | BYEXGCQXZXTUCRNKEQDBFTXEMQHTJNLSOSITIPHDBPDVXPRGQMZWSZBURDSVWOXXFYPICDJMIV | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
vic-209 | 589831859093825909585918878591190889575180858185889585916919093825909585917518085 | 589831859093825909585918878591190889575180858185889585916919093825909585917518085 | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | vic | vic | substitution | {
"type": "keyword",
"value": "ENIGMA"
} | advanced | en | 81 | 81 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0285 | MGTDSFYGTIAPPAPBYMGNKIAEVNABIUGMAAGFAKLMQAVMHSEQWBJUPYKBMLVMTMMDSEWBGHWLYVMHQGJPYAPVNAVNRVMTEQGESLSGFY | MGTDSFYGTIAPPAPBYMGNKIAEVNABIUGMAAGFAKLMQAVMHSEQWBJUPYKBMLVMTMMDSEWBGHWLYVMHQGJPYAPVNAVNRVMTEQGESLSGFY | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 102 | 102 | cipher_museum | 2.0 | public | null | null |
cda-0008756 | XVKYUQFEMWWUMNXWWSQYEIQQXFQVBSLAFKWELBCLBZXJGKMSITWGGDWZGKJZWYSPDLQVXAVHREBSG | XVKYUQFEMWWUMNXWWSQYEIQQXFQVBSLAFKWELBCLBZXJGKMSITWGGDWZGKJZWYSPDLQVXAVHREBSG | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE BEST LESSONS SHOW WHERE THE METHOD FAILS | autokey | autokey | null | {
"primer": "SECURE"
} | medium | en | 77 | 77 | synthetic_educational | null | null | [] | |
cda-0006868 | VHZOA ESOQOPYS BHGCHG FUBHYR FUBJ OYY ESOFBAVAU FGRCF CBYLONCUOPRGWN QVCVSEF HFS ZHYGVCYR OYCVOPSG FVWSGF | VHZOA ESOQOPYS BHGCHG FUBHYR FUBJ OYY ESOFBAVAU FGRCF CBYLONCUOPRGWN QVCVSEF HFS ZHYGVCYR OYCVOPSG FVWSGF | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | porta | porta | null | {
"key": "SECURE"
} | hard | en | 92 | 92 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
cda-0020464 | BAABA AABBB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA BAABB BAAAB AABAA AAABB BAAAA ABBAB BAABA ABBAB BAAAA BAAAB BAABA ABBAB AAABA BAAAA AABAA AAAAA BAABA AABAA AAAAA ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AA... | BAABA AABBB AABAA AABAA ABBAA ABAAA AABBA ABABB AAAAA ABABB AAAAA AAABA AABBB ABAAA ABBAA AABAA BAABB BAAAB AABAA AAABB BAAAA ABBAB BAABA ABBAB BAAAA BAAAB BAABA ABBAB AAABA BAAAA AABAA AAAAA BAABA AABAA AAAAA ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AA... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE MESSAGE WAS HIDDEN BUT NOT SECURE | bacon_cipher | bacon_cipher | null | {} | hard | en | 895 | 895 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
adfgvx-v3-0006 | DFVGDDGDAFDFVDGAXAGDDFDAGADGDAFV | DFVGDDGDAFDFVDGAXAGDDFDAGADGDAFV | THE GATES HOLD FIRM | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 32 | 32 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0265 | 64 46 87 24 64 38 63 26 65 58 36 26 | 64 46 87 24 64 38 63 26 65 58 36 26 | VENI VIDI VICI | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 24 | 35 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0158 | TZKYEZMRVKBDSHGZXQIXPFRQAQAHNDSZBHQZHOWCQYXAKEVMWZKNEMJUSVKMYOOYGMHFIVQZ | TZKYEZMRVKBDSHGZXQIXPFRQAQAHNDSZBHQZHOWCQYXAKEVMWZKNEMJUSVKMYOOYGMHFIVQZ | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0157 | OHFCAWZONHZFORMPCELOCFEPKCPEFRESWHHWBLRKABAEPDUDLOGKWRRSTFCOKOCHHPISODQEZY | OHFCAWZONHZFORMPCELOCFEPKCPEFRESWHHWBLRKABAEPDUDLOGKWRRSTFCOKOCHHPISODQEZY | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0012972 | YTTEO GHTRF AKBYD DKOEK XJAEZ NDJVF CEZXK NXJGG XSRKG OKYV | YTTEO GHTRF AKBYD DKOEK XJAEZ NDJVF CEZXK NXJGG XSRKG OKYV | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ALWAYS | vernam | vernam | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
m94-v2-0242 | FYBUGDQZRERTWMLLMHJ | FYBUGDQZRERTWMLLMHJ | WISDOM GUARDS THE GATE | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-119 | KPWINWJJRZOEUVCNXFKUL | KPWINWJJRZOEUVCNXFKUL | SUPPLY LINE COMPROMISED | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "5,3,6,1,4,2"
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0303 | WILLIAMFRIEDMANWHOBROKETHEJAPANESEPURPLECIPHERMACHINEBEFORETHESECONDWORLDWARALSOCOINEDTHETERMCRYPTANALYSISANDSPENTHISCAREERATTHESIGNALSINTELLIGENCESERVICEBUILDINGAMERICANCODEBREAKING | WILLIAMFRIEDMANWHOBROKETHEJAPANESEPURPLECIPHERMACHINEBEFORETHESECONDWORLDWARALSOCOINEDTHETERMCRYPTANALYSISANDSPENTHISCAREERATTHESIGNALSINTELLIGENCESERVICEBUILDINGAMERICANCODEBREAKING | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0349 | 21256 21239 21248 21249 21248 21235 21242 21239 21256 21239 21235 21246 21239 21238 21244 21232 21235 21244 21248 21255 21247 21239 21242 21249 21255 21243 21243 21249 21256 21233 21239 21244 21235 21231 21239 21248 21244 21243 21232 21235 21238 21240 21239 21248 21239 21244 21242 21235 21244 21239 21238 21244 21232 21... | 21256 21239 21248 21249 21248 21235 21242 21239 21256 21239 21235 21246 21239 21238 21244 21232 21235 21244 21248 21255 21247 21239 21242 21249 21255 21243 21243 21249 21256 21233 21239 21244 21235 21231 21239 21248 21244 21243 21232 21235 21238 21240 21239 21248 21239 21244 21242 21235 21244 21239 21238 21244 21232 21... | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 420 | 503 | cipher_museum | 2.0 | public | null | null |
caesar-v3-1493 | RFC RCJCQAMNC PCTCYJQ | RFC RCJCQAMNC PCTCYJQ | THE TELESCOPE REVEALS | caesar | caesar | substitution | {
"type": "shift",
"value": 24
} | beginner | en | 19 | 21 | cipher_museum | 2.0 | public | null | null |
kl7-058 | TUMGIRHRUVEZISWXXPTQEPNHNPQMPKCIEGNTJDTHEZUXPSSZYKLHKCMWPUCKACKLKHMLIZFNIGZCDKZZDPSOKNYHLNDIEFDFRTPIMZZLPGHMFUHSRZFWAVSYOLKWEJLDMCJNCGXGT | TUMGIRHRUVEZISWXXPTQEPNHNPQMPKCIEGNTJDTHEZUXPSSZYKLHKCMWPUCKACKLKHMLIZFNIGZCDKZZDPSOKNYHLNDIEFDFRTPIMZZLPGHMFUHSRZFWAVSYOLKWEJLDMCJNCGXGT | 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 | kl7 | kl7 | machine | {
"type": "seed",
"value": "TSEC"
} | expert | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
cda-0016500 | 857 822 813 999 857 853 826 859 823 812 836 824 861 854 999 808 824 847 822 813 851 999 801 809 865 802 839 806 812 856 999 858 823 814 999 801 835 845 823 801 805 814 858 999 803 874 999 843 841 813 999 846 842 856 824 858 824 843 840 999 814 802 806 822 999 833 812 857 859 812 852 999 858 822 812 999 852 801 824 834 ... | 857 822 813 999 857 853 826 859 823 812 836 824 861 854 999 808 824 847 822 813 851 999 801 809 865 802 839 806 812 856 999 858 823 814 999 801 835 845 823 801 805 814 858 999 803 874 999 843 841 813 999 846 842 856 824 858 824 843 840 999 814 802 806 822 999 833 812 857 859 812 852 999 858 822 812 999 852 801 824 834 ... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | culper_ring | culper_ring | null | {} | hard | en | 155 | 155 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
columnar-transposition-v2-0686 | NHSSEOERVTOAEMBRMTEHKWRRKFVEIAITUEASIBGEWTOAUMEYMNCTYTELOEOOHTAGIRD | NHSSEOERVTOAEMBRMTEHKWRRKFVEIAITUEASIBGEWTOAUMEYMNCTYTELOEOOHTAGIRD | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0155 | NCVIEUFSFMLAOHYHOTTSY | NCVIEUFSFMLAOHYHOTTSY | PATIENCE BRINGS VICTORY | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0016388 | BAABA AABBB AABAA BAAAA AAAAA ABAAA ABABA AABAB AABAA ABBAA AAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BABAA BAAAA ABAAA BAABA AABAA BAAAB BAABA AABAA BABAB BAABA ABAAA ABBAA AAAAA BABBB ABAAA AABBA BABBB AAAAA AABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA AABBB BAABB ABABB AAAAA ABBAA BAAAA AABAA AAAAA AAABB AA... | BAABA AABBB AABAA BAAAA AAAAA ABAAA ABABA AABAB AABAA ABBAA AAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BABAA BAAAA ABAAA BAABA AABAA BAAAB BAABA AABAA BABAB BAABA ABAAA ABBAA AAAAA BABBB ABAAA AABBA BABBB AAAAA AABBA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA AABBB BAABB ABABB AAAAA ABBAA BAAAA AABAA AAAAA AAABB AA... | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | bacon_cipher | bacon_cipher | null | {} | hard | en | 700 | 700 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
trifid-vg-0012 | TRFSJFVIYAPPMJIHQLOQBNPFXTELSJWBDDTOCDIVYKCEGCVKUEURALOU+ASJPEFK | TRFSJFVIYAPPMJIHQLOQBNPFXTELSJWBDDTOCDIVYKCEGCVKUEURALOU+ASJPEFK | THE RACE IS NOT TO THE SWIFT NOR THE BATTLE TO THE STRONG BUT TO THOSE WHO ENDURE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FELIX"
} | advanced | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
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