id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0008677 | BFWO HEPS LXSA KENO ORUR RLNE CMXX AEYT YKCT EESW HSIL X | BFWO HEPS LXSA KENO ORUR RLNE CMXX AEYT YKCT EESW HSIL X | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | stager_route | stager_route | null | {
"cols": 5
} | medium | en | 45 | 45 | synthetic_educational | null | null | [] | |
zimmermann-060 | 99999 90002 90017 90024 90015 90019 90000 90013 90000 90011 90024 90018 90008 90018 99998 00006 00000 99999 90000 90017 90019 99998 00001 99999 90001 90017 90004 90000 90010 90008 90013 90006 99998 99999 90002 90014 90003 90004 90018 99998 99999 90022 90008 90019 90007 90014 90020 90019 99998 00000 99999 90010 90004 90... | 99999 90002 90017 90024 90015 90019 90000 90013 90000 90011 90024 90018 90008 90018 99998 00006 00000 99999 90000 90017 90019 99998 00001 99999 90001 90017 90004 90000 90010 90008 90013 90006 99998 99999 90002 90014 90003 90004 90018 99998 99999 90022 90008 90019 90007 90014 90020 90019 99998 00000 99999 90010 90004 90... | 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 | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 755 | 905 | cipher_museum | 0.2 | public | null | null |
one-time-pad-v2-0204 | WARVKYFWFSEJVSATKOCNKGVMYOEIQLGGWIHXOFVXNHUVMDBPXSLBJAHLLGHOHWESSUXVEOOBFRCFEPYOO | WARVKYFWFSEJVSATKOCNKGVMYOEIQLGGWIHXOFVXNHUVMDBPXSLBJAHLLGHOHWESSUXVEOOBFRCFEPYOO | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0002 | AEEOTUEEHSSDATTRMDYCGBR | AEEOTUEEHSSDATTRMDYCGBR | CARTHAGE MUST BE DESTROYED | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0068 | QWTEJFOBULXBESQEWCGGGGFAWJPRMXGGYSILBKUEWXJVNRGORSINLICKMHBKWYGWTBBLWAKFBCPZ | QWTEJFOBULXBESQEWCGGGGFAWJPRMXGGYSILBKUEWXJVNRGORSINLICKMHBKWYGWTBBLWAKFBCPZ | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
m209-v2-0428 | WPPXOWYYKYQPAQXZXKQCNITRXULKJBWMIXAMOPLMRJKVDKTLWESRMCFYORBQVXXLKUTRUPOLNH | WPPXOWYYKYQPAQXZXKQCNITRXULKJBWMIXAMOPLMRJKVDKTLWESRMCFYORBQVXXLKUTRUPOLNH | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0174 | IQQRRTAWLIWLBBUDPRRFXADUFVHJQHAMXFAPRALOUHFQVVBTWMATPQBLVBPRSMPRAQQBPRJQBFPXFXFAPASH | IQQRRTAWLIWLBBUDPRRFXADUFVHJQHAMXFAPRALOUHFQVVBTWMATPQBLVBPRSMPRAQQBPRJQBFPXFXFAPASH | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
chaocipher-121 | PNMMIVCHZZII | PNMMIVCHZZII | ATTACK AT DAWN | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
purple-172 | ELRURZFFNOXJARXKHQWPLYONDLLOQSWJVKAKFXKTDHJOQMQUYMVYYRXIJD | ELRURZFFNOXJARXKHQWPLYONDLLOQSWJVKAKFXKTDHJOQMQUYMVYYRXIJD | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | purple | purple | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
enigma-v2-1083 | ZTWENZBOCEEJXMXBLIRMVWZFKIVHIAUWTQKERMGJVPKMRBHKGYSUXZNAZOUMMBEETKYUISZESRCSR | ZTWENZBOCEEJXMXBLIRMVWZFKIVHIAUWTQKERMGJVPKMRBHKGYSUXZNAZOUMMBEETKYUISZESRCSR | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0200 | WNVTCKPVGNNKIGPEGHTQODNGVEJNGARCTMICXGVJGCNNKGUCPGPQTOQWUCFXCPVCIGKPYQTNFYCTVYQDATGXGCNKPIIGTOCPKPVGPVKQPUDGHQTGQRGTCVKQPUDGICPDWVVJGUQWTEGJCFVQDGRTQVGEVGFCVCNNEQUVU | WNVTCKPVGNNKIGPEGHTQODNGVEJNGARCTMICXGVJGCNNKGUCPGPQTOQWUCFXCPVCIGKPYQTNFYCTVYQDATGXGCNKPIIGTOCPKPVGPVKQPUDGHQTGQRGTCVKQPUDGICPDWVVJGUQWTEGJCFVQDGRTQVGEVGFCVCNNEQUVU | 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 | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "22222"
} | intermediate | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-009 | UMJEAJJTVRGQABGFAUAWH | UMJEAJJTVRGQABGFAUAWH | SUPPLY LINE COMPROMISED | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CARDANO"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0003730 | TIGDV HNPBN MEGES HXFME XHWHC LITWV IMGYL NBAMG HTHEO HLYOE CKPCT HEPSV VXKWB UOQUK AVMPX PRHTV VLSSJ VCKVP FEOCI GGLCO ELLZP QNLIX IVTDW YMESC SIQIN DKKRV IDGNI WIRPX PQECF XDTAI FZOXW RTIGV CXZLU VEDFO SHUTM KYZRB LHFFP HQDQU WFCLX TCGYK ZF | TIGDV HNPBN MEGES HXFME XHWHC LITWV IMGYL NBAMG HTHEO HLYOE CKPCT HEPSV VXKWB UOQUK AVMPX PRHTV VLSSJ VCKVP FEOCI GGLCO ELLZP QNLIX IVTDW YMESC SIQIN DKKRV IDGNI WIRPX PQECF XDTAI FZOXW RTIGV CXZLU VEDFO SHUTM KYZRB LHFFP HQDQU WFCLX TCGYK ZF | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | trithemius | trithemius | null | {} | hard | en | 202 | 202 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
red-type-a-v2-0060 | JHEYGBGAUDOHVFUOKDFJURAUFIPGIJAYCBAZOAOBELQSUNAMIXCIAXEAMEMZUQMXOHEEB | JHEYGBGAUDOHVFUOKDFJURAUFIPGIJAYCBAZOAOBELQSUNAMIXCIAXEAMEMZUQMXOHEEB | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0478 | NOTUNSDEELPLOOLAEBENSEUEANASASNOOIUSESYODEIOELSCNVQOJOAVSTOLEUROSIRSV | NOTUNSDEELPLOOLAEBENSEUEANASASNOOIUSESYODEIOELSCNVQOJOAVSTOLEUROSIRSV | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0208 | PXKYHWWUVUUPHSYCOWDMAWQOEYTJZAROGHMQKOYPVCZMBHVAQEYFUWPEUUAMROFGUMLZSSMYGPZANRYQOVOGRLGCMSNVOYRWYDSLWFXSJJHQHQTRVPSJWNOFPUEEKMJFUFMQNARIMUWCHPKKFSMLZMFAHTKSNDJFAOHGGGUCXMVYXIXEP | PXKYHWWUVUUPHSYCOWDMAWQOEYTJZAROGHMQKOYPVCZMBHVAQEYFUWPEUUAMROFGUMLZSSMYGPZANRYQOVOGRLGCMSNVOYRWYDSLWFXSJJHQHQTRVPSJWNOFPUEEKMJFUFMQNARIMUWCHPKKFSMLZMFAHTKSNDJFAOHGGGUCXMVYXIXEP | THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 177 | 177 | cipher_museum | 2.0 | public | null | null |
cda-0008879 | NA NSSVAR PVCURE NCCYVRF N YVARNE SHAPGVBA GB RNPU YRGGRE OEHGR SBEPR JBEXF BAYL JURA GUR XRL FCNPR VF FZNYY | NA NSSVAR PVCURE NCCYVRF N YVARNE SHAPGVBA GB RNPU YRGGRE OEHGR SBEPR JBEXF BAYL JURA GUR XRL FCNPR VF FZNYY | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 89 | 89 | synthetic_educational | null | null | [] | |
fractionated-morse-v3-0403 | JATBLHVWNLDAVBIAJTBLKSIFTTEDBLOWPATIMDXHPWNJTBLFNVPBLOTEBEJUOSXFBLRXDUFNTTEEIJXFAVPBLOTEBEJUENEAGSI | JATBLHVWNLDAVBIAJTBLKSIFTTEDBLOWPATIMDXHPWNJTBLFNVPBLOTEBEJUOSXFBLRXDUFNTTEEIJXFAVPBLOTEBEJUENEAGSI | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 99 | 99 | cipher_museum | 2.0 | public | null | null |
vic-201 | 908208518495908221393082592090858105882898105882908908481 | 908208518495908221393082592090858105882898105882908908481 | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | vic | vic | substitution | {
"type": "keyword",
"value": "ENIGMA"
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-137 | LBXANPCDLRDCKQVO | LBXANPCDLRDCKQVO | MEET AT THE OLD OAK | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v2-1391 | ITVTENY TUVTGIMO | ITVTENY TUVTGIMO | CAVALRY ADVANCES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "TRIUMPH"
} | beginner | en | 15 | 16 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0064 | 14 82 24 44 73 66 51 14 41 22 25 32 21 69 35 72 73 43 57 53 25 14 41 66 30 88 43 22 16 82 73 57 51 34 53 88 16 30 51 65 14 39 30 73 32 14 41 72 51 22 65 49 30 24 51 69 88 21 75 73 57 30 34 66 51 52 72 30 16 25 53 35 57 59 44 | 14 82 24 44 73 66 51 14 41 22 25 32 21 69 35 72 73 43 57 53 25 14 41 66 30 88 43 22 16 82 73 57 51 34 53 88 16 30 51 65 14 39 30 73 32 14 41 72 51 22 65 49 30 24 51 69 88 21 75 73 57 30 34 66 51 52 72 30 16 25 53 35 57 59 44 | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
purple-v2-0254 | UTPLGEASCNRCCQFXPWAESJD | UTPLGEASCNRCCQFXPWAESJD | CARTHAGE MUST BE DESTROYED | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
vic-v2-0101 | 080478892489918089906186818389859091049191080838691802283828086680898087189918390466928949180486789808892838980908385858078349180903838191469183186 | 080478892489918089906186818389859091049191080838691802283828086680898087189918390466928949180486789808892838980908385858078349180903838191469183186 | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 147 | 147 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0289 | DGGFDGGFFDGGDXGAAAAAADXFDGAAGGAFAFFGDGAA | DGGFDGGFFDGGDXGAAAAAADXFDGAAGGAFAFFGDGAA | THE LEGIONS STAND READY | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 40 | 40 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0547 | KLWOQVCJJXCMLMCDHMAAHUYRYALBOHVGIVAHBWBYLOTYHTFHQRZVMPG | KLWOQVCJJXCMLMCDHMAAHUYRYALBOHVGIVAHBWBYLOTYHTFHQRZVMPG | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0177 | YYSTDLHINLBGJXRVAQJEUMFPJWWDQOUXJGBJODIBJDPMVSBKMKSVRMAIZCNDZXMWNHNQVIAZZLBODRN | YYSTDLHINLBGJXRVAQJEUMFPJWWDQOUXJGBJODIBJDPMVSBKMKSVRMAIZCNDZXMWNHNQVIAZZLBODRN | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0226 | RDOOYXJWBQEQPPGRDOD | RDOOYXJWBQEQPPGRDOD | TREACHERY IN THE COURT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "GHI"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0313 | BBIQEIKXMJBVXGNLLP | BBIQEIKXMJBVXGNLLP | THE ORACLE HAS SPOKEN | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
kama-sutra-071 | ZWTGNV FO XKTGB | ZWTGNV FO XKTGB | CHANGE OF PLANS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 13 | 15 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0185 | 82 26 35 29 48 54 76 52 29 25 25 37 74 49 72 39 28 45 40 84 70 44 26 28 35 49 75 46 45 37 57 37 40 76 67 54 67 28 35 58 56 58 42 26 26 28 70 65 76 45 56 56 29 60 84 86 76 38 39 66 48 83 56 54 47 28 26 66 95 77 46 26 39 67 48 57 56 84 57 27 36 40 56 87 45 38 25 26 66 74 67 45 30 49 37 66 54 76 52 29 55 35 37 84 76 76 28... | 82 26 35 29 48 54 76 52 29 25 25 37 74 49 72 39 28 45 40 84 70 44 26 28 35 49 75 46 45 37 57 37 40 76 67 54 67 28 35 58 56 58 42 26 26 28 70 65 76 45 56 56 29 60 84 86 76 38 39 66 48 83 56 54 47 28 26 66 95 77 46 26 39 67 48 57 56 84 57 27 36 40 56 87 45 38 25 26 66 74 67 45 30 49 37 66 54 76 52 29 55 35 37 84 76 76 28... | 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 | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 330 | 494 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0027 | NUCHYREPBQEOG | NUCHYREPBQEOG | HONOR ABOVE ALL | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0849 | WIILOQHHFSDOHTLHBPUE | WIILOQHHFSDOHTLHBPUE | THE KING DEMANDS FEALTY | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0399 | GPUENIWLUBYHVAJUKIPAWUFSQEWEZYWICJYXDYPEQJEPRYXHEGOHTEVXJNYBAXVYGDEOSINKQUIJAJJE | GPUENIWLUBYHVAJUKIPAWUFSQEWEZYWICJYXDYPEQJEPRYXHEGOHTEVXJNYBAXVYGDEOSINKQUIJAJJE | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0177 | 125 127 182 179 142 119 164 114 167 149 148 171 128 163 136 160 149 157 156 114 164 153 107 110 126 112 119 173 177 169 147 175 126 178 140 152 156 101 107 179 181 119 129 170 149 157 182 173 177 138 126 178 181 134 | 125 127 182 179 142 119 164 114 167 149 148 171 128 163 136 160 149 157 156 114 164 153 107 110 126 112 119 173 177 169 147 175 126 178 140 152 156 101 107 179 181 119 129 170 149 157 182 173 177 138 126 178 181 134 | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 162 | 215 | cipher_museum | 2.0 | public | null | null |
geez-monastic-110 | XFOPIXKDEPIUTKDZUXPSUJMKIXPCWOXKXFOTXPXOUXUTSUDOKIQOPXF | XFOPIXKDEPIUTKDZUXPSUJMKIXPCWOXKXFOTXPXOUXUTSUDOKIQOPXF | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
geez-monastic-v2-0095 | LAJQYTAJMIYUEKPUYBZJBLJICRVJHBCPLLYULPPVCJMLYPMJBPYUUPBQJPMQAYLJQLPBIDMJPLANOPBYUL | LAJQYTAJMIYUEKPUYBZJBLJICRVJHBCPLLYULPPVCJMLYPMJBPYUUPBQJPMQAYLJQLPBIDMJPLANOPBYUL | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0326 | PAILKKLESAPSDAAKAJYMLQESELKBKTPAMLPSRBIGRANLPAKECDSNBHHWESDBNUHHQSPAKCSDILUKS | PAILKKLESAPSDAAKAJYMLQESELKBKTPAMLPSRBIGRANLPAKECDSNBHHWESDBNUHHQSPAKCSDILUKS | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0270 | LIBERTWQUAEARG | LIBERTWQUAEARG | LIBERTY OR DEATH | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0013012 | 5097 01615 01577 5726 05663 1603 06992 02914 01616 7285 0344 4440 01281 5674 01654 5101 5699 04739 1272 6637 0959 2859 00645 02880 3794 2919 06339 7937 04118 00343 6284 6358 01628 5733 2887 04474 5665 1617 06062 1591 0394 05739 00993 2547 | 5097 01615 01577 5726 05663 1603 06992 02914 01616 7285 0344 4440 01281 5674 01654 5101 5699 04739 1272 6637 0959 2859 00645 02880 3794 2919 06339 7937 04118 00343 6284 6358 01628 5733 2887 04474 5665 1617 06062 1591 0394 05739 00993 2547 | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | zimmermann | zimmermann | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0016534 | 2.4.8 13.6.3 17.4.4 9.2.1 5.1.1 7.1.10 2.2.3 5.3.10 16.4.4 14.2.8 3.5.1 16.1.9 19.6.7 16.5.10 9.4.3 15.3.7 4.2.10 4.1.9 16.4.2 19.5.1 5.1.10 17.1.2 13.4.9 5.3.3 15.2.9 8.3.7 20.4.6 6.2.9 12.1.7 1.1.1 5.2.2 14.4.8 9.3.10 2.2.8 12.2.9 17.1.6 17.1.10 7.5.8 20.1.7 20.3.5 15.5.10 6.5.9 19.1.6 18.3.4 18.3.4 12.3.1 12.4.8 10.... | 2.4.8 13.6.3 17.4.4 9.2.1 5.1.1 7.1.10 2.2.3 5.3.10 16.4.4 14.2.8 3.5.1 16.1.9 19.6.7 16.5.10 9.4.3 15.3.7 4.2.10 4.1.9 16.4.2 19.5.1 5.1.10 17.1.2 13.4.9 5.3.3 15.2.9 8.3.7 20.4.6 6.2.9 12.1.7 1.1.1 5.2.2 14.4.8 9.3.10 2.2.8 12.2.9 17.1.6 17.1.10 7.5.8 20.1.7 20.3.5 15.5.10 6.5.9 19.1.6 18.3.4 18.3.4 12.3.1 12.4.8 10.... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | arnold_andre | arnold_andre | null | {} | hard | en | 89 | 89 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0006047 | GUS GEWGUSZVHF QNCUSE ORIOAPNF GUS OYCUOPRG PL BAR CBFVGVBA ROQU YSGGSE RNSSWR OAN USYYZOA WAGEBQHPNR CHPYVQ XRL PELCGBTEOCUL VA AVASGNSA FSINAGL FVK | GUS GEWGUSZVHF QNCUSE ORIOAPNF GUS OYCUOPRG PL BAR CBFVGVBA ROQU YSGGSE RNSSWR OAN USYYZOA WAGEBQHPNR CHPYVQ XRL PELCGBTEOCUL VA AVASGNSA FSINAGL FVK | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | porta | porta | null | {
"key": "CIPHER"
} | hard | en | 128 | 128 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
cda-0017028 | 3.27.15 13.2.1 1.6.14 11.26.11 14.40.1 3.11.11 10.32.15 18.45.15 14.45.4 6.5.1 9.32.3 3.3.8 2.38.2 5.8.9 17.8.8 18.6.2 15.50.6 12.29.9 4.36.2 8.4.13 17.32.9 1.16.12 7.31.6 9.48.6 19.28.11 10.31.1 19.50.6 14.38.2 15.25.12 5.38.12 2.17.9 17.36.11 2.27.9 20.5.12 3.34.12 3.40.6 19.2.14 13.43.7 1.32.1 2.31.13 8.20.6 2.45.4 ... | 3.27.15 13.2.1 1.6.14 11.26.11 14.40.1 3.11.11 10.32.15 18.45.15 14.45.4 6.5.1 9.32.3 3.3.8 2.38.2 5.8.9 17.8.8 18.6.2 15.50.6 12.29.9 4.36.2 8.4.13 17.32.9 1.16.12 7.31.6 9.48.6 19.28.11 10.31.1 19.50.6 14.38.2 15.25.12 5.38.12 2.17.9 17.36.11 2.27.9 20.5.12 3.34.12 3.40.6 19.2.14 13.43.7 1.32.1 2.31.13 8.20.6 2.45.4 ... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | book_cipher | book_cipher | null | {} | hard | en | 140 | 140 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0003756 | QVASJFSXIMYVVKMUBWVFGCTDWJKGPBJMMGRQHVGRLSWWKKQTEX | QVASJFSXIMYVVKMUBWVFGCTDWJKGPBJMMGRQHVGRLSWWKKQTEX | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | autokey | autokey | null | {
"primer": "PRAYER"
} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
rail-fence-v2-0521 | CODSEWDOMLELSOSFAEG | CODSEWDOMLELSOSFAEG | CODED MESSAGE FOLLOWS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0236 | DKQAZMPEYKPIZZEV | DKQAZMPEYKPIZZEV | THE WALLS HAVE EARS | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0018570 | ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w... | ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | babington | babington | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
geez-monastic-v3-0239 | ZVYZVCPJXMQULWZZMGXPM | ZVYZVCPJXMQULWZZMGXPM | SONS OF LIBERTY ASSEMBLE | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0018487 | THEBZ FIDCI PHERX OMBIX ESAPZ LYBIX SSQUA REWIX HTRAN SPOSI TIONT HERAI LFENC ECIPH ERWRZ TESTX XTINA ZIGZA GPATT ERNHX LLCIX HERUZ ESLIX EARAZ GEBRX TOENZ RYPTX LOCKX OFLET TERSZ | THEBZ FIDCI PHERX OMBIX ESAPZ LYBIX SSQUA REWIX HTRAN SPOSI TIONT HERAI LFENC ECIPH ERWRZ TESTX XTINA ZIGZA GPATT ERNHX LLCIX HERUZ ESLIX EARAZ GEBRX TOENZ RYPTX LOCKX OFLET TERSZ | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | commercial_code | commercial_code | null | {} | hard | en | 150 | 150 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
red-type-a-v2-0166 | HUWVCNNESQISRGJADMRUOSQO | HUWVCNNESQISRGJADMRUOSQO | NORTH STAR HOLDS FIRM COURSE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
m209-v3-0188 | QPPBLKORLTDRSABUYSBJPCQKGBOZOKCCBOTJCTYLWTYJQRZLMOPNNZNXOKQXRJNZEWLDQYVJLH | QPPBLKORLTDRSABUYSBJPCQKGBOZOKCCBOTJCTYLWTYJQRZLMOPNNZNXOKQXRJNZEWLDQYVJLH | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
red-type-a-176 | XYDVAGEAQWEOCZMYESYNOVZTOSIWADUGFELSABAMVYMILANEPLOMNYNAIWAVSOCRETTBYVDAQYYRDALODAHITZAQKFIWXAEKISEFJIMYNEBAMWREQOWHIZJAVENZOFNASOSYXTAXEMOJOXQIPZEPA | XYDVAGEAQWEOCZMYESYNOVZTOSIWADUGFELSABAMVYMILANEPLOMNYNAIWAVSOCRETTBYVDAQYYRDALODAHITZAQKFIWXAEKISEFJIMYNEBAMWREQOWHIZJAVENZOFNASOSYXTAXEMOJOXQIPZEPA | 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 | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
adfgvx-v3-0018 | DDVVGGDGAADDFGVGADGXADVGAFFAFFAGXGXFVF | DDVVGGDGAADDFGVGADGXADVGAFFAFFAGXGXFVF | TREACHERY IN THE COURT | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 38 | 38 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0661 | EMUOARLPBNLQ | EMUOARLPBNLQ | VENI VIDI VICI | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
jn25-v3-0032 | 26199 26187 26184 26198 26187 26194 26199 26187 26184 26180 26197 26183 26197 26194 26100 26193 26183 26199 26187 26184 26102 26194 26197 26191 26183 | 26199 26187 26184 26198 26187 26194 26199 26187 26184 26180 26197 26183 26197 26194 26100 26193 26183 26199 26187 26184 26102 26194 26197 26191 26183 | THE SHOT HEARD ROUND THE WORLD | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 125 | 149 | cipher_museum | 2.0 | public | null | null |
cda-0014506 | HISTX RICAX CIPHE RSARE TEACZ ERSNO TPROZ ECTIX NTHER AILFZ NCECI PHERW RITES TEXTI NAZIG ZAGPZ TTERN | HISTX RICAX CIPHE RSARE TEACZ ERSNO TPROZ ECTIX NTHER AILFZ NCECI PHERW RITES TEXTI NAZIG ZAGPZ TTERN | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | commercial_code | commercial_code | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
cardano-autokey-v2-0182 | NSXBKJBHPDHTVQILJWSHALVJEMYRTKOFVNTSXTFDQKODZQQPTJFVKRMFXODZQQHHETA | NSXBKJBHPDHTVQILJWSHALVJEMYRTKOFVNTSXTFDQKODZQQPTJFVKRMFXODZQQHHETA | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
kryha-v3-0288 | XILISRPZTAEROYPQKQDADDTVXPKBVSMRAZOMSYBVDVXDNMMEXLNBTZORYGFDYEGFVKJMLFUSAOKHSFGPVW | XILISRPZTAEROYPQKQDADDTVXPKBVSMRAZOMSYBVDVXDNMMEXLNBTZORYGFDYEGFVKJMLFUSAOKHSFGPVW | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | kryha | kryha | machine | {
"type": "keyword",
"value": "PRAGUE"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
playfair-429 | HKZASAQFDOYCCBAMGXASOEOBYKMEQIRDCYFPFIBSYP | HKZASAQFDOYCCBAMGXASOEOBYKMEQIRDCYFPFIBSYP | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "CRYPTO"
} | intermediate | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
cda-0007076 | ZXY INMAEWQ VEA XUROAF DIB EQZ MYSXNO PYQA NOJUQV EFB LQCNEBISJDKTUBT SSLJQA WF NYCNEBCV U FQPAR SRR QTCCZWNG NUYLONPC QKZ WJ SRR STKG QA WNOHL QDAP CDKBCY BDQHM CJGQW WPRNPORZQEL XALMMWQEJMDR | ZXY INMAEWQ VEA XUROAF DIB EQZ MYSXNO PYQA NOJUQV EFB LQCNEBISJDKTUBT SSLJQA WF NYCNEBCV U FQPAR SRR QTCCZWNG NUYLONPC QKZ WJ SRR STKG QA WNOHL QDAP CDKBCY BDQHM CJGQW WPRNPORZQEL XALMMWQEJMDR | THE MESSAGE WAS HIDDEN BUT NOT SECURE PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | beaufort | beaufort | null | {
"key": "SECURE"
} | hard | en | 162 | 162 | synthetic_educational | null | null | [] | |
cda-0020597 | 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19 6 18 9 5 4 13 1 14 5 19 20 9 13 1 20 5 4 11 5 25 12 5 14 7 20 8 6 18 15 13 1... | 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7 8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19 6 18 9 5 4 13 1 14 5 19 20 9 13 1 20 5 4 11 5 25 12 5 14 7 20 8 6 18 15 13 1... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
argenti-v3-0263 | 33 46 39 11 44 21 28 16 71 75 20 29 13 42 77 11 64 39 49 71 69 38 39 65 61 63 18 28 87 44 57 27 11 64 71 23 39 29 38 10 71 75 59 69 48 42 33 46 39 28 44 21 11 71 65 41 61 39 38 88 33 63 71 57 87 64 37 28 77 75 11 39 44 65 42 28 71 38 | 33 46 39 11 44 21 28 16 71 75 20 29 13 42 77 11 64 39 49 71 69 38 39 65 61 63 18 28 87 44 57 27 11 64 71 23 39 29 38 10 71 75 59 69 48 42 33 46 39 28 44 21 11 71 65 41 61 39 38 88 33 63 71 57 87 64 37 28 77 75 11 39 44 65 42 28 71 38 | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 156 | 233 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0703 | WFFTPIXHOLXBKJKKEDOQCTQPHLWGAUMTXIVLDKUBLINISRHGUTICCJBYOORDADGMXKIYEMIZNOKLOIBEYYKM | WFFTPIXHOLXBKJKKEDOQCTQPHLWGAUMTXIVLDKUBLINISRHGUTICCJBYOORDADGMXKIYEMIZNOKLOIBEYYKM | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "STU"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0694 | WXEDEOBEOKZCEKTNUNJYCGAZWMZMPGHPVNWAOFFURJURTJDWTCHLHPHCDQKPYIDURFGRXIIZDCM | WXEDEOBEOKZCEKTNUNJYCGAZWMZMPGHPVNWAOFFURJURTJDWTCHLHPHCDQKPYIDURFGRXIIZDCM | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
m209-282 | AMFPIPXLDNXDWJJUZONEBKXZARVNYAINTOUBPRRMOWADMWQOLWLOREXIYLNDNUCK | AMFPIPXLDNXDWJJUZONEBKXZARVNYAINTOUBPRRMOWADMWQOLWLOREXIYLNDNUCK | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
two-square-v3-0076 | QMGNALQMMLELPMHLIGEORSNCINQNIYNEZBQMMLLUCEPTIOKLKGCKALYSNPMHELPHTRONICENMMTOICATIONS | QMGNALQMMLELPMHLIGEORSNCINQNIYNEZBQMMLLUCEPTIOKLKGCKALYSNPMHELPHTRONICENMMTOICATIONS | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0016378 | TROO PROA DSAM ONGN EEDS SEEK SPLA CEOT HERS COUT INCU RTRA CKIN TELO PENS NORT HCOV ERIN NERP HASE HEAV YEXT RARA DIOS WIFT ROAD SENE MYAL ERTR ANGE RAID S | TROO PROA DSAM ONGN EEDS SEEK SPLA CEOT HERS COUT INCU RTRA CKIN TELO PENS NORT HCOV ERIN NERP HASE HEAV YEXT RARA DIOS WIFT ROAD SENE MYAL ERTR ANGE RAID S | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | 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. |
cda-0015583 | AFTW TVTG NIXT RVES HDBV GNRM IMDV SWRC LBFB GUGL CPXR XXHJ LHDC EXSR | AFTW TVTG NIXT RVES HDBV GNRM IMDV SWRC LBFB GUGL CPXR XXHJ LHDC EXSR | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER TOMORROW | running_key | running_key | null | {} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
fractionated-morse-v3-0391 | FSWBANGSABBUDAGSWAVVIBLDSABIEINBARWNGSMAEEINTBDUOBSWPAPBEMIMDBOSAAEKSIAGUHBTBLIEHBDWPPNMIEHAPSWPAE | FSWBANGSABBUDAGSWAVVIBLDSABIEINBARWNGSMAEEINTBDUOBSWPAPBEMIMDBOSAAEKSIAGUHBTBLIEHBDWPPNMIEHAPSWPAE | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 98 | 98 | cipher_museum | 2.0 | public | null | null |
jn25-042 | 41417 41422 41439 41420 41424 41429 41411 41422 41415 41420 41412 41439 41413 41423 41424 41412 41419 41420 41422 41415 41417 41424 41413 41417 41419 41429 41410 41423 41419 41417 41435 41422 41413 41428 41411 41417 41429 41427 41427 41435 41428 41413 41417 41415 41424 41413 41429 41428 41423 41410 41422 41429 41427 41... | 41417 41422 41439 41420 41424 41429 41411 41422 41415 41420 41412 41439 41413 41423 41424 41412 41419 41420 41422 41415 41417 41424 41413 41417 41419 41429 41410 41423 41419 41417 41435 41422 41413 41428 41411 41417 41429 41427 41427 41435 41428 41413 41417 41415 41424 41413 41429 41428 41423 41410 41422 41429 41427 41... | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | jn25 | jn25 | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 320 | 383 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0079 | 35 47 78 68 55 30 64 55 87 69 25 28 34 45 56 76 28 49 56 25 56 96 55 30 64 23 59 58 57 46 55 36 56 78 28 58 65 24 65 57 44 58 46 45 59 78 57 50 44 54 59 57 44 39 52 47 78 79 55 26 63 47 69 75 34 46 65 43 78 68 57 40 36 35 86 59 28 30 74 27 86 58 44 58 36 | 35 47 78 68 55 30 64 55 87 69 25 28 34 45 56 76 28 49 56 25 56 96 55 30 64 23 59 58 57 46 55 36 56 78 28 58 65 24 65 57 44 58 46 45 59 78 57 50 44 54 59 57 44 39 52 47 78 79 55 26 63 47 69 75 34 46 65 43 78 68 57 40 36 35 86 59 28 30 74 27 86 58 44 58 36 | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 170 | 254 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1476 | HACMHPEPBFASNCKNWLGSZHPOUZDLTKZRSSIXIAVVMLPHKZRDKVMEOSTJDPRSTTSCDVSAVVGIADVN | HACMHPEPBFASNCKNWLGSZHPOUZDLTKZRSSIXIAVVMLPHKZRDKVMEOSTJDPRSTTSCDVSAVVGIADVN | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0275 | AOICLBWIDCRSXJIAIG | AOICLBWIDCRSXJIAIG | LOOSE LIPS SINK SHIPS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0015964 | 11.4.3 12.1.10 11.3.3 13.3.8 19.5.4 17.1.5 5.3.4 15.2.5 9.5.3 5.2.4 5.5.8 2.5.10 13.1.10 4.6.6 1.1.8 14.2.7 3.1.5 19.4.5 9.2.8 18.3.7 16.4.4 6.2.10 15.2.1 10.5.3 17.4.6 7.1.4 20.2.3 12.5.2 18.2.10 11.3.8 9.2.3 12.3.3 3.6.1 3.2.9 13.3.7 1.3.3 3.2.3 11.1.2 12.5.8 9.5.7 1.1.1 2.2.10 4.1.6 6.4.7 19.5.2 17.5.2 5.3.2 8.3.3 1... | 11.4.3 12.1.10 11.3.3 13.3.8 19.5.4 17.1.5 5.3.4 15.2.5 9.5.3 5.2.4 5.5.8 2.5.10 13.1.10 4.6.6 1.1.8 14.2.7 3.1.5 19.4.5 9.2.8 18.3.7 16.4.4 6.2.10 15.2.1 10.5.3 17.4.6 7.1.4 20.2.3 12.5.2 18.2.10 11.3.8 9.2.3 12.3.3 3.6.1 3.2.9 13.3.7 1.3.3 3.2.3 11.1.2 12.5.8 9.5.7 1.1.1 2.2.10 4.1.6 6.4.7 19.5.2 17.5.2 5.3.2 8.3.3 1... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | arnold_andre | arnold_andre | null | {} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
rail-fence-239 | TWIRTITEHTFREBNINTCHFAVTOTOHETTEFATAIHAEOUCIUJIQHCNONBETEORFAPATETIARINAREESTTINTSEFUWHOAUELEATIOLMNESASMOLDEODROYRNEIACOIYCNCONGDRSICTAFDATOHSTRACE | TWIRTITEHTFREBNINTCHFAVTOTOHETTEFATAIHAEOUCIUJIQHCNONBETEORFAPATETIARINAREESTTINTSEFUWHOAUELEATIOLMNESASMOLDEODROYRNEIACOIYCNCONGDRSICTAFDATOHSTRACE | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 5
} | intermediate | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-v3-0142 | 292395728236741212321726342123 | 292395728236741212321726342123 | MEASURE TWICE CUT ONCE | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
playfair-083 | YDHUABHPXPUPSY | YDHUABHPXPUPSY | THE TRAP IS SET | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 14 | 14 | cipher_museum | 0.2 | public | null | null |
argenti-v3-0162 | 37 82 83 26 41 71 18 66 64 17 59 75 20 83 70 67 23 16 32 72 22 37 28 44 66 75 37 63 56 22 77 20 27 66 37 82 17 75 83 22 68 25 75 66 18 23 59 22 28 44 12 75 17 70 36 20 63 67 22 60 83 27 23 56 20 64 17 68 67 88 41 56 37 82 | 37 82 83 26 41 71 18 66 64 17 59 75 20 83 70 67 23 16 32 72 22 37 28 44 66 75 37 63 56 22 77 20 27 66 37 82 17 75 83 22 68 25 75 66 18 23 59 22 28 44 12 75 17 70 36 20 63 67 22 60 83 27 23 56 20 64 17 68 67 88 41 56 37 82 | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | argenti | argenti | nomenclator | {
"type": "seed",
"value": "PAPAL"
} | expert | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0375 | DDXAAVDADAAAGFXFDDAAVDDADAFFGDXDADGDAAXAAFXGXDDDAFDAADGDGDAXAXDXDDADDAGGAVDDFGDFAXDFGDFDDAFXDGDAAVAAAAAXAADXFXDAGVDDAAADGVDDAADGADDXGXDDDDDVADADDXDFGAFDAADAFXAFAGVAAAFDDADAFAAADAFGADFAGDDAFGDGFDADFGAFXAAAGGVAGDAGADFFAGXDFGXFGGFDDFAAXAAFFAAGXGGDADXDFDAGFFADXGVDDFVAFGXGFADDAFAFXAAAGDGDAGGVFADAAFDXAXDXFAFDDDDVAFGXDFAFDVGV... | DDXAAVDADAAAGFXFDDAAVDDADAFFGDXDADGDAAXAAFXGXDDDAFDAADGDGDAXAXDXDDADDAGGAVDDFGDFAXDFGDFDDAFXDGDAAVAAAAAXAADXFXDAGVDDAAADGVDDAADGADDXGXDDDDDVADADDXDFGAFDAADAFXAFAGVAAAFDDADAFAAADAFGADFAGDDAFGDGFDADFGAFXAAAGGVAGDAGADFFAGXDFGXFGGFDDFAAXAAFFAAGXGGDADXDFDAGFFADXGVDDFVAFGXGFADDAFAFXAAAGDGDAGGVFADAAFDXAXDXFAFDDDDVAFGXDFAFDVGV... | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 326 | 326 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0446 | QNFYHOHCDOANNTFKBKARIZOPDEBPDEGEWBRSMFRCTYLHIQFTONANGEROQLHTDPERMRAINTOTHERBEAQYRA | QNFYHOHCDOANNTFKBKARIZOPDEBPDEGEWBRSMFRCTYLHIQFTONANGEROQLHTDPERMRAINTOTHERBEAQYRA | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0082 | VHSEUDTSZTCHSIOVMPKAEDVHBAYRCZOVUFZUTUQAEMDOBAASRUCZFNOWGLXHAUEDXPSCHAVPXNTEEDFRJR | VHSEUDTSZTCHSIOVMPKAEDVHBAYRCZOVUFZUTUQAEMDOBAASRUCZFNOWGLXHAUEDXPSCHAVPXNTEEDFRJR | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
m94-v3-0213 | WROZGITYEWOCCKMUKSYIQ | WROZGITYEWOCCKMUKSYIQ | SONS OF LIBERTY ASSEMBLE | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0387 | AIYPYQNHMAYJIOWP | AIYPYQNHMAYJIOWP | THE HARBOR IS CLEAR | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0020598 | SHEOL SHAII NQOKE EDYSH ORDAI NYQOK EEDYD AINYC HOLQO KEEDY OTAII NRCHE OLOKS HYDAI INYKC HEOLO TEDYS HAIIN OKALS HEEDY YTAII NOXED OTAIN OKEDY SHEOL OTOLD ALOTA IINSH ALYPC HOLDA RALOK AINOK EEDYQ OKEED YOKAL OTAIN YKCHE OLCTA IINCH ORYTE DYCHE DALRC HEOLS HARAL CHORS HEOLQ OKEED YYTED YCHEO LOTAI INCHO LDAII NOKSH YD... | SHEOL SHAII NQOKE EDYSH ORDAI NYQOK EEDYD AINYC HOLQO KEEDY OTAII NRCHE OLOKS HYDAI INYKC HEOLO TEDYS HAIIN OKALS HEEDY YTAII NOXED OTAIN OKEDY SHEOL OTOLD ALOTA IINSH ALYPC HOLDA RALOK AINOK EEDYQ OKEED YOKAL OTAIN YKCHE OLCTA IINCH ORYTE DYCHE DALRC HEOLS HARAL CHORS HEOLQ OKEED YYTED YCHEO LOTAI INCHO LDAII NOKSH YD... | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | voynich_render | voynich_render | null | {} | hard | en | 301 | 301 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
adfgx-159 | FGGDFGADXAAXGDADFAFDGGGXAFGGAFGAGDAAAADDADAXDAGGDGAFXAADGGXDDGGGADDXDDAGGDAXGFDXDAGFXAGXDDDXGXXFXAGADDGGXGAGAAAG | FGGDFGADXAAXGDADFAFDGGGXAFGGAFGAGDAAAADDADAXDAGGDGAFXAADGGXDDGGGADDXDDAGGDAXGFDXDAGFXAGXDDDXGXXFXAGADDGGXGAGAAAG | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | adfgx | adfgx | fractionation | {
"polybius": "SECRET",
"columnar": "AGENTS"
} | advanced | en | 112 | 112 | cipher_museum | 0.2 | public | null | null |
cda-0021407 | .- .-.. .- -. / - ..- .-. .. -. --. / -... .-. --- -.- . / . -. .. --. -- .- / .-- .. - .... / -.-. .-. .. -... ... / .- -. -.. / - .... . / -... --- -- -... . / -- .- -.-. .... .. -. . | .- .-.. .- -. / - ..- .-. .. -. --. / -... .-. --- -.- . / . -. .. --. -- .- / .-- .. - .... / -.-. .-. .. -... ... / .- -. -.. / - .... . / -... --- -- -... . / -- .- -.-. .... .. -. . | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | morse_code | morse_code | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
adfgx-v2-0535 | GFGAAXAXXDFDDGGFXAFXDAFFAFGGXDXAXGAGXDDFDFXFXGDDDGFDADGGDDAGXDXDXDAFGDGFDGFGDDAAAGAAXDDDADGXFXGGDXAGADAFDAGADDGXDXDDDXDFAGAFGXDGGXADAGDFDAGXFGFFAXDGAD | GFGAAXAXXDFDDGGFXAFXDAFFAFGGXDXAXGAGXDDFDFXFXGDDDGFDADGGDDAGXDXDXDAFGDGFDGFGDDAAAGAAXDDDADGXFXGGDXAGADAFDAGADDGXDXDDDXDFAGAFGXDGGXADAGDFDAGXFGFFAXDGAD | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
cda-0009042 | NERDHSNQL NANYKGVF QNA DSIROY JSOX PWCVSFF GVR PSGG YSFFABF FVBJ IVNES GVS ANGVBR TOVYF TBAR NQHPOFWBAOY GACYF SKCZOVA GUSWF YVZVGE QYNFFWQOY PWCVSFF GSNQV KUL ZBRSFA FSPHDWGL ZNGFSEF | NERDHSNQL NANYKGVF QNA DSIROY JSOX PWCVSFF GVR PSGG YSFFABF FVBJ IVNES GVS ANGVBR TOVYF TBAR NQHPOFWBAOY GACYF SKCZOVA GUSWF YVZVGE QYNFFWQOY PWCVSFF GSNQV KUL ZBRSFA FSPHDWGL ZNGFSEF | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE BEST LESSONS SHOW WHERE THE METHOD FAILS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | porta | porta | null | {
"key": "LIBRARY"
} | hard | en | 157 | 157 | synthetic_educational | null | null | [] | |
affine-v2-1768 | EBQHW BLU DHUGAL | EBQHW BLU DHUGAL | STORM THE BREACH | affine | affine | substitution | {
"a": 23,
"b": 6
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0016281 | 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 77 82 68 61 59 80 82 61 57 82 66 66 82 80 76 80 82 72 59 82 29 52 43 11 50 61 66 80 50 20 59 66 50 69 29 66 36 82 57 50 20 80 68 80 43 65 80 82 61 82 80 95 82 61 55 29 69 89 57 82 11 25 82 76 69 80 66 36 82 52 69 77 77 59 29 50 66 43 65 69 57 43 20 50 59 61 82 29 52... | 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 77 82 68 61 59 80 82 61 57 82 66 66 82 80 76 80 82 72 59 82 29 52 43 11 50 61 66 80 50 20 59 66 50 69 29 66 36 82 57 50 20 80 68 80 43 65 80 82 61 82 80 95 82 61 55 29 69 89 57 82 11 25 82 76 69 80 66 36 82 52 69 77 77 59 29 50 66 43 65 69 57 43 20 50 59 61 82 29 52... | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | wallis_cipher | wallis_cipher | null | {} | hard | en | 147 | 147 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
lorenz-v3-0171 | THELOVEOFMONEYISTHEROOTMFALLEVILBUTITISTHELOVEOFGOODTHCTMOVESTHEWORLD | THELOVEOFMONEYISTHEROOTMFALLEVILBUTITISTHELOVEOFGOODTHCTMOVESTHEWORLD | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
vic-171 | 9082005384082589845180080 | 9082005384082589845180080 | THE EAGLE HAS LANDED | vic | vic | substitution | {
"type": "keyword",
"value": "ENIGMA"
} | advanced | en | 25 | 25 | cipher_museum | 0.2 | public | null | null |
adfgx-v3-0043 | FFXGAGDGFGAAXAAXFGXADXFGDAFDAAAAGAAAGXDDXXFD | FFXGAGDGFGAAXAAXFGXADXFGDAFDAAAAGAAAGXDDXXFD | MESSAGE RECEIVED CLEARLY | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 44 | 44 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0138 | UBPOXILNAJAWQUSRG | UBPOXILNAJAWQUSRG | OLD IRONSIDES HOLDS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0021381 | ..-. .-. . --.- ..- . -. -.-. -.-- / .- -. .- .-.. -.-- ... .. ... / -.-. .- -. / .-. . ...- . .- .-.. / .-- . .- -.- / -.-. .. .--. .... . .-. ... / .--. --- .-.. -.-- -... .. ..- ... / . -. -.-. --- -.. . -.. / .-.. . - - . .-. ... / .- ... / .--. .- .. .-. ... / --- ..-. / -. ..- -- -... . .-. ... / ..-. .-. --- -- ... | ..-. .-. . --.- ..- . -. -.-. -.-- / .- -. .- .-.. -.-- ... .. ... / -.-. .- -. / .-. . ...- . .- .-.. / .-- . .- -.- / -.-. .. .--. .... . .-. ... / .--. --- .-.. -.-- -... .. ..- ... / . -. -.-. --- -.. . -.. / .-.. . - - . .-. ... / .- ... / .--. .- .. .-. ... / --- ..-. / -. ..- -- -... . .-. ... / ..-. .-. --- -- ... | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | morse_code | morse_code | null | {} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
hill-053 | TQGFKADASYPWZYZUAVYYNVAVHRMIXKPMPKOZNNOXHIHBZHUOZRZHTTPJXJLP | TQGFKADASYPWZYZUAVYYNVAVHRMIXKPMPKOZNNOXHIHBZHUOZRZHTTPJXJLP | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0019488 | 04793 0699 6035 01647 05732 6936 00333 0709 03772 1628 1649 6910 2855 1291 01632 4451 01000 1647 00965 4773 4166 01667 05988 00686 1630 01945 4748 05668 1597 1012 4779 04472 01921 2862 1261 01602 4400 00985 1586 6023 6648 0630 6030 6315 02884 06348 06684 6322 02897 4749 4481 1039 02843 5082 2541 01586 5658 06051 04145 ... | 04793 0699 6035 01647 05732 6936 00333 0709 03772 1628 1649 6910 2855 1291 01632 4451 01000 1647 00965 4773 4166 01667 05988 00686 1630 01945 4748 05668 1597 1012 4779 04472 01921 2862 1261 01602 4400 00985 1586 6023 6648 0630 6030 6315 02884 06348 06684 6322 02897 4749 4481 1039 02843 5082 2541 01586 5658 06051 04145 ... | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER A TRANSPARENT TOOL SHOULD SHOW ITS REASONING FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | zimmermann | zimmermann | null | {} | hard | en | 164 | 164 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0015665 | 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 68 57 89 68 43 61 | 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 68 57 89 68 43 61 | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS ALWAYS | wallis_cipher | wallis_cipher | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
vigenere-v2-0585 | RSSKFIDKIUBRAGEXWZHETGBQUVAYCADIEZVRWYRKSCLCLGFFRWARZFFZETHVIZCOBDXZREOAGGRUUEHJS | RSSKFIDKIUBRAGEXWZHETGBQUVAYCADIEZVRWYRKSCLCLGFFRWARZFFZETHVIZCOBDXZREOAGGRUUEHJS | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0038 | RQPIXTSKWQNMPWSTAHRSPF | RQPIXTSKWQNMPWSTAHRSPF | FLEET ASSEMBLES AT HARBOR | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
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