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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
joseon-yeokhak-v2-0494 | LZWDGJVAKEQKZWHZWJVAKZSDDFGLOSFLZWESCWLZEWLGDAWVGOFAFYJWWFHSKLMJWKZWDWSVWLZEWTWKAVWLZWKLADDOSLWJKZWJWKLGJWLZEQKGMDZWDWSVWLZEWAFLZWHSLZKGXJAYZLWGMKFWKKXGJZAKFSEWKSCW | LZWDGJVAKEQKZWHZWJVAKZSDDFGLOSFLZWESCWLZEWLGDAWVGOFAFYJWWFHSKLMJWKZWDWSVWLZEWTWKAVWLZWKLADDOSLWJKZWJWKLGJWLZEQKGMDZWDWSVWLZEWAFLZWHSLZKGXJAYZLWGMKFWKKXGJZAKFSEWKSCW | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
beaufort-vg-0091 | FQHAKRMGYKTGZWKRVOSDMACHSOYZHWLUHAVSLPSWXLRQVIIDPHIKFEZOTAJWXNACRYTTRQIA | FQHAKRMGYKTGZWKRVOSDMACHSOYZHWLUHAVSLPSWXLRQVIIDPHIKFEZOTAJWXNACRYTTRQIA | FOR WE ARE GOD IS HANDIWORK CREATED IN CHRIST JESUS TO DO GOOD WORKS PREPARED IN ADVANCE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-la-014 | EQIMUSREMMEPRAIAIRAEPMMUDOOCDUNCLT | EQIMUSREMMEPRAIAIRAEPMMUDOOCDUNCLT | CARPE DIEM QUAM MINIMUM CREDULA POSTERO | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | la | 34 | 34 | cipher_museum | 0.2 | public | null | null |
diana-v2-0361 | JKYVABBJDLAZYKAYPBBWNPLSMGWYMEAVKYKFXVNZMZFVNKQNFCNLWQFGEWAFBXRRCESIAYMAFWZYSRUKOCPDBOGURMMAYVAALZAYSOWUOWAEAVKYIEODOXQBMHNLAQMGYIBORJDINKSVNPLKRBZZQARDNQRHHZXBTKNH | JKYVABBJDLAZYKAYPBBWNPLSMGWYMEAVKYKFXVNZMZFVNKQNFCNLWQFGEWAFBXRRCESIAYMAFWZYSRUKOCPDBOGURMMAYVAALZAYSOWUOWAEAVKYIEODOXQBMHNLAQMGYIBORJDINKSVNPLKRBZZQARDNQRHHZXBTKNH | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1181 | FYSKMUYLBKMCHJJMVKMCQBUJXUCHNIFTVFSDLDBBVPNFAYMKWAIMGLGHFCLAIUPNYH | FYSKMUYLBKMCHJJMVKMCQBUJXUCHNIFTVFSDLDBBVPNFAYMKWAIMGLGHFCLAIUPNYH | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-239 | OPGTFKMAECKWJMADKMOCGHXQKHRLXMVHHYCNBCMSZRDACFOKRZZQYZZDZIPWRVYOPCKCRBZQVASIRJACYSKWJZVHFLGIPGGQVGOQUTGLZEMEMCWGIYWBFPUCQEAQRLJVPHOTAJCPMPVLZONXQKCY | OPGTFKMAECKWJMADKMOCGHXQKHRLXMVHHYCNBCMSZRDACFOKRZZQYZZDZIPWRVYOPCKCRBZQVASIRJACYSKWJZVHFLGIPGGQVGOQUTGLZEMEMCWGIYWBFPUCQEAQRLJVPHOTAJCPMPVLZONXQKCY | 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 | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
cda-0009420 | EAENUSBNASINESTRLNTTAYUIOPNEIDDNIBGYHTARSNTUTDIERTESASTNXWBACTXXISLROTCRRTKTHENOIARROEISNCVETIIEIIPREPUOXXNBHADAPGPOEHAEOATNSPYUTRTDRLEXNERHTSKASTXXOTBMHTEAAFAKPSEBIYNMECIBASIHAMITMREEOEIDX | EAENUSBNASINESTRLNTTAYUIOPNEIDDNIBGYHTARSNTUTDIERTESASTNXWBACTXXISLROTCRRTKTHENOIARROEISNCVETIIEIIPREPUOXXNBHADAPGPOEHAEOATNSPYUTRTDRLEXNERHTSKASTXXOTBMHTEAAFAKPSEBIYNMECIBASIHAMITMREEOEIDX | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION ATBASH ENCODES BY REVERSING THE ALPHABET THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION TODAY | stager_route | stager_route | null | {
"cols": 9
} | hard | en | 189 | 189 | synthetic_educational | null | null | [] | |
m209-269 | RPBUYPHPDRTVEIYJ | RPBUYPHPDRTVEIYJ | LOCK DOWN ALL GATES | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0012720 | 3519 1660 5691 00977 3457 2605 04744 1918 01927 05993 05050 5692 2883 04470 0948 2846 05056 3774 1656 06020 0378 07941 6054 6288 02516 01604 06045 07945 05981 06372 1643 04101 04084 6627 6013 6285 0664 1624 6009 01607 00998 6642 5679 1629 1590 06925 1580 04474 2841 1966 1616 04413 1599 04160 07946 03484 4428 4778 07277... | 3519 1660 5691 00977 3457 2605 04744 1918 01927 05993 05050 5692 2883 04470 0948 2846 05056 3774 1656 06020 0378 07941 6054 6288 02516 01604 06045 07945 05981 06372 1643 04101 04084 6627 6013 6285 0664 1624 6009 01607 00998 6642 5679 1629 1590 06925 1580 04474 2841 1966 1616 04413 1599 04160 07946 03484 4428 4778 07277... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TODAY | zimmermann | zimmermann | null | {} | hard | en | 115 | 115 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0020165 | okeedy aiiin choldaiin daiin daiin shaiin ytaiin sheol ytedy okal oror chor chor dal qokal | okeedy aiiin choldaiin daiin daiin shaiin ytaiin sheol ytedy okal oror chor chor dal qokal | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | voynich_render | voynich_render | null | {} | medium | en | 76 | 76 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
vic-v2-0324 | 5843913804350139129241381238737584584358414818207839158887388825843880818084924808480889245674817581794875888688448894 | 5843913804350139129241381238737584584358414818207839158887388825843880818084924808480889245674817581794875888688448894 | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 118 | 118 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0002 | L6 H7 C3 A6 T7 A9 M9 C9 K7 X7 C4 B6 L6 S7 R7 D0 C3 I4 | L6 H7 C3 A6 T7 A9 M9 C9 K7 X7 C4 B6 L6 S7 R7 D0 C3 I4 | CROSS THE RUBICON NOW | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 36 | 53 | cipher_museum | 2.0 | public | null | null |
copiale-009 | K8 H8 M9 M9 T4 D6 V3 C9 Y4 S5 I5 U4 I3 G7 W5 K7 R6 K6 H1 B2 L4 | K8 H8 M9 M9 T4 D6 V3 C9 Y4 S5 I5 U4 I3 G7 W5 K7 R6 K6 H1 B2 L4 | SUPPLY LINE COMPROMISED | copiale | copiale | substitution | {
"type": "keyword",
"value": "COPIALE"
} | advanced | en | 42 | 62 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0167 | RHURUHPUKGWFYSHNXUWNTPRTPOXGSACJYDAVBHVEPESLKXPQMXNCJXAWGFFBOBYEGUOPUXIOPVLVH | RHURUHPUKGWFYSHNXUWNTPRTPOXGSACJYDAVBHVEPESLKXPQMXNCJXAWGFFBOBYEGUOPUXIOPVLVH | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-266 | RBKPQLLGEVQQBPOYGJQN | RBKPQLLGEVQQBPOYGJQN | FORWARD MARCH NOW | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "CRYPTIC"
} | advanced | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
autokey-v3-0312 | EPFZVGMGHTMSWSPTLYWLLTTJMZQTEIAJKSQANBVMCXUWSVMMGPEIXXSAMVKAXCQIKXFIRHHVYMJLEQWZCZKOILWHNFHZTPBORGGPXMYWNIIEVWNEGPAEKOLETLRTMPXQHWBYVNUIJCZFUSIEHMOHULNWHAUSARDIIQXAVULKROLVHEKBO | EPFZVGMGHTMSWSPTLYWLLTTJMZQTEIAJKSQANBVMCXUWSVMMGPEIXXSAMVKAXCQIKXFIRHHVYMJLEQWZCZKOILWHNFHZTPBORGGPXMYWNIIEVWNEGPAEKOLETLRTMPXQHWBYVNUIJCZFUSIEHMOHULNWHAUSARDIIQXAVULKROLVHEKBO | 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 | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 177 | 177 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v3-0059 | AUVKIGGABUOZRZWSMRQTGZNFAZNEKYIGUTJNBDPRGIHFQXXAKRPIAQCQIXKJIABTQEGXDDAGOOAP | AUVKIGGABUOZRZWSMRQTGZNFAZNEKYIGUTJNBDPRGIHFQXXAKRPIAQCQIXKJIABTQEGXDDAGOOAP | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0188 | PQRGTUQPUJCNNDGJGNFVQCPUYGTHQTCECRKVCNETKOGWPNGUUQPRTGUGPVOGPVQHCITCPFLWTA | PQRGTUQPUJCNNDGJGNFVQCPUYGTHQTCECRKVCNETKOGWPNGUUQPRTGUGPVOGPVQHCITCPFLWTA | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "22222"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0020848 | daily inner first flank issue exact after needs draft holds exact lines local moved above naval intel needs takes raids order delay until cross enemy | daily inner first flank issue exact after needs draft holds exact lines local moved above naval intel needs takes raids order delay until cross enemy | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | 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. |
hill-v3-0039 | OXGSOZTFGUZVPEDPDEHMNJ | OXGSOZTFGUZVPEDPDEHMNJ | THE EXPERIMENT CONFIRMS | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
purple-053 | IMWFGUCXTSPPREIVOULRYQNQQQXRVIFPJHUNYBSYEMKWWYUFHBIJOOLNEXZQ | IMWFGUCXTSPPREIVOULRYQNQQQXRVIFPJHUNYBSYEMKWWYUFHBIJOOLNEXZQ | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | purple | purple | machine | {
"type": "seed",
"value": "PURPLE"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
bifid-es-004 | TDSTOROSBTKCLIROPQGOKPGAFRRCTOOLPNEMYFPWEXBENRWNNYRWQTUEHP | TDSTOROSBTKCLIROPQGOKPGAFRRCTOOLPNEMYFPWEXBENRWNNYRWQTUEHP | TODOS LOS SERES HUMANOS NACEN LIBRES E IGUALES EN DIGNIDAD Y DERECHOS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | es | 58 | 58 | cipher_museum | 0.2 | public | null | null |
wheatstone-v2-0336 | GKLWHATCAWESDLUSWEQTLJEQBTBKCAPLUQSDEKCBKTWEQTLJWESDLUSILUPBCAEQUHSEJBSAHYWLPSDHAQQ | GKLWHATCAWESDLUSWEQTLJEQBTBKCAPLUQSDEKCBKTWEQTLJWESDLUSILUPBCAEQUHSEJBSAHYWLPSDHAQQ | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
enigma-344 | GUXSWJQQCVCIORXXIYGLGDAMLNQAKWQTQJQZRDIFWPKBDCWRLUENWEMPS | GUXSWJQQCVCIORXXIYGLGDAMLNQAKWQTQJQZRDIFWPKBDCWRLUENWEMPS | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DOG"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0207 | PUVOHFQXWLQGSMOHAGAWQMFNEOVJBFQFOZQMOISDVMFORUKYXODIJVBBBXFOFYUASUECKVXWEXNHCBYRDNJFWJYQVBOMOBGGJOSTEMMZYHXMXJICKEOHCAPKKOCDVBUJJZMGUCXROMVYAGXDTYDDBVMFNTRNMKSTEAVEUQLAIHFTRYCSREGEQN | PUVOHFQXWLQGSMOHAGAWQMFNEOVJBFQFOZQMOISDVMFORUKYXODIJVBBBXFOFYUASUECKVXWEXNHCBYRDNJFWJYQVBOMOBGGJOSTEMMZYHXMXJICKEOHCAPKKOCDVBUJJZMGUCXROMVYAGXDTYDDBVMFNTRNMKSTEAVEUQLAIHFTRYCSREGEQN | 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 | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
kryha-v3-0044 | UPTONOHUGILHKZGKG | UPTONOHUGILHKZGKG | THE RAILWAY ARRIVES | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1187 | HEDGRBECSTZIGSUXLPOIGY | HEDGRBECSTZIGSUXLPOIGY | MESSAGE RECEIVED CLEARLY | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0137 | UHQKYICKRHYMVF | UHQKYICKRHYMVF | TARGET ACQUIRED | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0005 | ZXCOWOXMMSGMHHLN | ZXCOWOXMMSGMHHLN | SOUND THE TRUMPETS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0013685 | FRONT AFTER ISSUE LARGE COVER LOCAL ORDER SHORE ENTER DEPOT INTEL SHORE AGAIN POSTS OTHER SHORE TRACK UNTIL RADIO EXACT NORTH OFTEN TROOP ARRAY SOUTH | FRONT AFTER ISSUE LARGE COVER LOCAL ORDER SHORE ENTER DEPOT INTEL SHORE AGAIN POSTS OTHER SHORE TRACK UNTIL RADIO EXACT NORTH OFTEN TROOP ARRAY SOUTH | FAIL CLOSED IS A POSTURE NOT A SLOGAN ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH TODAY | 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. |
playfair-309 | OPBLOTNBCHOIDQIQ | OPBLOTNBCHOIDQIQ | LOCK DOWN ALL GATES | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0351 | 97 46 59 65 54 76 38 50 35 37 87 47 66 53 57 85 58 80 53 36 103 49 80 54 53 64 59 59 65 54 76 38 50 56 45 93 47 80 54 23 97 46 59 72 23 85 66 59 34 56 76 38 68 32 56 97 38 68 32 27 76 55 49 32 56 97 27 47 66 36 67 59 67 54 56 | 97 46 59 65 54 76 38 50 35 37 87 47 66 53 57 85 58 80 53 36 103 49 80 54 53 64 59 59 65 54 76 38 50 56 45 93 47 80 54 23 97 46 59 72 23 85 66 59 34 56 76 38 68 32 56 97 38 68 32 27 76 55 49 32 56 97 27 47 66 36 67 59 67 54 56 | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 151 | 225 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0483 | UVUCHLMGXZOCBMLKSYWIRMQQAJJUBPIXFTNFAJNEQSZRXDHFUNPNCNNGJXEIOWXGBKPVPEHCL | UVUCHLMGXZOCBMLKSYWIRMQQAJJUBPIXFTNFAJNEQSZRXDHFUNPNCNNGJXEIOWXGBKPVPEHCL | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | enigma | enigma | machine | {
"type": "rotor_start",
"value": "MNO"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0016 | OTUKVQTOYIQSTO | OTUKVQTOYIQSTO | COVER MY RETREAT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0008 | TARNYERHSETENTOMRE | TARNYERHSETENTOMRE | ENEMY RETREATS NORTH | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0277 | WEEAISEEHWCRECILCFQIEOIKENNQLCTQNUAENIITIOSFAGUCQITYFMIGQALAIPSITTTIFYXEWIFKLAEETYEPKILKORXTFWECLVBQDSEQZMTDTPOFNDDVINKGIIPBFZHCHGQTENSBSGBFTKUKDGLZQBXBQFXWGPDKLKXHWIT | WEEAISEEHWCRECILCFQIEOIKENNQLCTQNUAENIITIOSFAGUCQITYFMIGQALAIPSITTTIFYXEWIFKLAEETYEPKILKORXTFWECLVBQDSEQZMTDTPOFNDDVINKGIIPBFZHCHGQTENSBSGBFTKUKDGLZQBXBQFXWGPDKLKXHWIT | 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 | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
enigma-369 | LTSAAQHKTSOVJQGPEDNCT | LTSAAQHKTSOVJQGPEDNCT | SUPPLY LINE COMPROMISED | enigma | enigma | machine | {
"type": "rotor_start",
"value": "KEY"
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
m209-v2-0445 | UQKTXDAZVRRVQXZRBBOYEIXBKVZVZDIARBRCNWYZFOKVDQYADNTPAKLICNKOPQLXZXEACPAZXZO | UQKTXDAZVRRVQXZRBBOYEIXBKVZVZDIARBRCNWYZFOKVDQYADNTPAKLICNKOPQLXZXEACPAZXZO | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0909 | TAZAD MNAHQ MXX | TAZAD MNAHQ MXX | HONOR ABOVE ALL | caesar | caesar | substitution | {
"type": "shift",
"value": 12
} | beginner | en | 13 | 15 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0094 | M5 L1 R8 V4 O5 C8 K4 T0 Y0 V4 I3 K3 B7 Z1 Q7 B7 M6 B3 I1 C8 O5 Z1 O0 Q7 L9 M2 P2 C4 M8 B0 S7 I5 T2 N3 Q8 O8 P3 P2 U6 P5 B0 G6 A1 C8 K8 N7 M6 S6 M9 R8 T7 C9 T2 R7 Q8 A6 A1 G6 P9 A6 T9 M9 S0 T0 C7 B3 T4 Y6 N7 K3 T9 N6 R8 X2 C9 X0 C5 Q1 L5 T9 U4 A4 O1 P2 K4 H7 B7 K7 O4 X0 J9 C4 N7 O6 S3 T8 M9 S3 B1 B8 D0 T1 O4 X0 A1 O0 T8... | M5 L1 R8 V4 O5 C8 K4 T0 Y0 V4 I3 K3 B7 Z1 Q7 B7 M6 B3 I1 C8 O5 Z1 O0 Q7 L9 M2 P2 C4 M8 B0 S7 I5 T2 N3 Q8 O8 P3 P2 U6 P5 B0 G6 A1 C8 K8 N7 M6 S6 M9 R8 T7 C9 T2 R7 Q8 A6 A1 G6 P9 A6 T9 M9 S0 T0 C7 B3 T4 Y6 N7 K3 T9 N6 R8 X2 C9 X0 C5 Q1 L5 T9 U4 A4 O1 P2 K4 H7 B7 K7 O4 X0 J9 C4 N7 O6 S3 T8 M9 S3 B1 B8 D0 T1 O4 X0 A1 O0 T8... | WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 322 | 482 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0259 | 24 26 59 56 24 49 46 24 65 77 23 26 58 86 | 24 26 59 56 24 49 46 24 65 77 23 26 58 86 | TRUST BUT VERIFY | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
alberti-disk-140 | SCUBWBKXSCLTWFZKV | SCUBWBKXSCLTWFZKV | CRYPTOGRAPHY RULES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 13
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
cda-0021118 | ASTRX NGCLA IMNEE DSSTR ONGEV IDENX ETHEZ IFIDC IPHER COMBI NESAZ OLYBZ USSQU AREWX THTRA NSPOS ITIOX INDEX OFCOX NCIDX NCEMX ASURE SLETT ERFRZ QUENC YDIST RIBUZ IONDZ UBLET RANSZ OSITZ ONAPP LIESC OLUMZ ARENC RYPTI ONTWI CEEBB | ASTRX NGCLA IMNEE DSSTR ONGEV IDENX ETHEZ IFIDC IPHER COMBI NESAZ OLYBZ USSQU AREWX THTRA NSPOS ITIOX INDEX OFCOX NCIDX NCEMX ASURE SLETT ERFRZ QUENC YDIST RIBUZ IONDZ UBLET RANSZ OSITZ ONAPP LIESC OLUMZ ARENC RYPTI ONTWI CEEBB | A STRONG CLAIM NEEDS STRONG EVIDENCE THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | commercial_code | commercial_code | null | {} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
four-square-v2-0376 | QQSSQNTSZTTREV | QQSSQNTSZTTREV | TRUST BUT VERIFY | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0328 | SJUZWJKLGLZWOSDDK | SJUZWJKLGLZWOSDDK | ARCHERS TO THE WALLS | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0258 | ARTEGUIEBPFRHCPZ | ARTEGUIEBPFRHCPZ | THE WALLS HAVE EARS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0367 | THELFGIONSSTANDREADY | THELFGIONSSTANDREADY | THE LEGIONS STAND READY | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0030 | GMLOCLRTJBWVNALWHFUCLMIYFJCPM | GMLOCLRTJBWVNALWHFUCLMIYFJCPM | TAXATION WITHOUT REPRESENTATION | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0848 | NNNMQWMUQWMQRECTX | NNNMQWMUQWMQRECTX | ARCHERS TO THE WALLS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NEPTUNE"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
diana-v2-0626 | MJSALOVBQEBBHEUONAQBYUDRYZXYENGLWKEOCENZBTNRRBZTIOTQRZGUJAWLVBGFQQQTGTNNASLVYTNLXDVTYNGQJBGYRJADDQFTMEQLQXGTESSMHZDADBSSAKTFIISNNEKGYSMKTSAHADQTVWFSNMM | MJSALOVBQEBBHEUONAQBYUDRYZXYENGLWKEOCENZBTNRRBZTIOTQRZGUJAWLVBGFQQQTGTNNASLVYTNLXDVTYNGQJBGYRJADDQFTMEQLQXGTESSMHZDADBSSAKTFIISNNEKGYSMKTSAHADQTVWFSNMM | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
bifid-253 | LCCVCHDGOKTBIOGI | LCCVCHDGOKTBIOGI | LOCK DOWN ALL GATES | bifid | bifid | fractionation | {
"type": "keyword",
"value": "ENIGMA"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0015715 | VRJW XXAY LVNM PSKR KPOX WZRF UEMV EHYT EFYS AEUY KQUH FRRO LRBW UVLF YCJM STDC UQAS HIZX AGXW XESZ UQXZ PAML YQWZ GSWE SJTV DTYV CUNU OPUX YIJB SCVV EUTU CAKN XCFT CRMA EDTO QBPS FBPC UDVS JPGS OSKO LTCZ CGWH XMBX OHRG YCIY BBIY GXI | VRJW XXAY LVNM PSKR KPOX WZRF UEMV EHYT EFYS AEUY KQUH FRRO LRBW UVLF YCJM STDC UQAS HIZX AGXW XESZ UQXZ PAML YQWZ GSWE SJTV DTYV CUNU OPUX YIJB SCVV EUTU CAKN XCFT CRMA EDTO QBPS FBPC UDVS JPGS OSKO LTCZ CGWH XMBX OHRG YCIY BBIY GXI | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE INDEX OF COINCIDENCE IS A USEFUL CLUE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE MESSAGE WAS HIDDEN BUT NOT SECURE | vernam | vernam | null | {} | hard | en | 187 | 187 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
navajo-code-024 | A-WOH DAH-NES-TSA SHI-DA KLESH THAN-ZIE / TSAH TLO-CHIN / TLO-CHIN A-CHIN DZEH | A-WOH DAH-NES-TSA SHI-DA KLESH THAN-ZIE / TSAH TLO-CHIN / TLO-CHIN A-CHIN DZEH | TRUST NO ONE | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 67 | 86 | cipher_museum | 0.2 | public | null | null |
cda-0020189 | 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 36 69 29 82 61 66 57 43 | 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 36 69 29 82 61 66 57 43 | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES HONESTLY | wallis_cipher | wallis_cipher | null | {} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
double-transposition-076 | REESDNTMSENEIOFRNC | REESDNTMSENEIOFRNC | SEND REINFORCEMENTS | double_transposition | double_transposition | transposition | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
slidex-v3-0203 | ZWMECUILIOPTXZMZSSCUSSINLPQTNCLPSYVBGGCRDMVTAIJIXDHTHOYASSCURIMDNYIOBCZKRISSSSSATVTATORXLGRXILFNGDUEFFAVDOSSTAJLVPTHDLXQBVFNYPOTIIUHKTDQMZMHJKASTXEWCFZWBLNVFFIVNYYEYPHHMR | ZWMECUILIOPTXZMZSSCUSSINLPQTNCLPSYVBGGCRDMVTAIJIXDHTHOYASSCURIMDNYIOBCZKRISSSSSATVTATORXLGRXILFNGDUEFFAVDOSSTAJLVPTHDLXQBVFNYPOTIIUHKTDQMZMHJKASTXEWCFZWBLNVFFIVNYYEYPHHMR | 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 | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 170 | 170 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0040 | QYLVOK | QYLVOK | EUREKA | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
cda-0004161 | CRNLNEIBRECTTNBEYWEHUISMPAAIRGAATRNNIMNCODDKNADHGSCIGWTIRPANBIHNAARGRTEEPTEAOHBXHIFLKCOXYEUAERMX | CRNLNEIBRECTTNBEYWEHUISMPAAIRGAATRNNIMNCODDKNADHGSCIGWTIRPANBIHNAARGRTEEPTEAOHBXHIFLKCOXYEUAERMX | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | scytale | scytale | null | {
"cols": 12
} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
adfgvx-v2-0308 | XGAGFDFAXDAFXADAGDAGADADAAADDADAFADDVDFXDGGAGADAGXDVAAGXAAAADAXDVDFGDAVDAFXDAFVGAAAADFGFVGXDAAVDGFVDDADVGAADGFXGFDDFGAAGGXDDAFAFDFVDAX | XGAGFDFAXDAFXADAGDAGADADAAADDADAFADDVDFXDGGAGADAGXDVAAGXAAAADAXDVDFGDAVDAFXDAFVGAAAADFGFVGXDAAVDGFVDDADVGAADGFXGFDDFGAAGGXDDAFAFDFVDAX | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 134 | 134 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0589 | TORNSRJBX LJLGXPCP RWMGKCQP QAR TLBQ QALQ BROQLCJ GRQQROP LMMRLO TLO HKOR KTQRJ CJ RJYGCPA QRWQ | TORNSRJBX LJLGXPCP RWMGKCQP QAR TLBQ QALQ BROQLCJ GRQQROP LMMRLO TLO HKOR KTQRJ CJ RJYGCPA QRWQ | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | beginner | en | 81 | 95 | cipher_museum | 2.0 | public | null | null |
bifid-es-038 | IKDMOODIGOMLEBRQRPOIQCWZNUVUNGLVBRCIZU | IKDMOODIGOMLEBRQRPOIQCWZNUVUNGLVBRCIZU | CAMARON QUE SE DUERME SE LO LLEVA LA CORRIENTE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | es | 38 | 38 | cipher_museum | 0.2 | public | null | null |
babington-v3-0045 | ⟨w01⟩ ⟨a20⟩ ⟨w22⟩ ⟨w02⟩ ⟨w06⟩ ⟨a17⟩ ⟨w23⟩ ⟨w17⟩ ⟨w02⟩ ⟨w13⟩ ⟨w35⟩ ⟨w21⟩ ⟨w10⟩ | ⟨w01⟩ ⟨a20⟩ ⟨w22⟩ ⟨w02⟩ ⟨w06⟩ ⟨a17⟩ ⟨w23⟩ ⟨w17⟩ ⟨w02⟩ ⟨w13⟩ ⟨w35⟩ ⟨w21⟩ ⟨w10⟩ | THE KING DEMANDS FEALTY | babington | babington | nomenclator | {
"type": "seed",
"value": "WALSINGHAM"
} | expert | en | 65 | 77 | cipher_museum | 2.0 | public | null | null |
vigenere-247 | EOWXFMMFAOANRBE | EOWXFMMFAOANRBE | ABORT MISSION NOW | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v2-0213 | OZOBHIFWBUOBRUCFRCBKSZQVAOBPIWZHHVSPCAPSHCOHHOQYHVSUSFAOBSBWUAOQWDVSFAOQVWBS | OZOBHIFWBUOBRUCFRCBKSZQVAOBPIWZHHVSPCAPSHCOHHOQYHVSUSFAOBSBWUAOQWDVSFAOQVWBS | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
rail-fence-081 | TREEEHBIGISCRDEDSU | TREEEHBIGISCRDEDSU | THE BRIDGE IS SECURED | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 3
} | intermediate | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
m209-v3-0089 | NMBXOEKGMJWQRMZTWZKPRJWWQBMWYQEKVCCTZTZAVZIUJGPXWDBMQMVOVKWXNMOBJBLQBJIOSEKWZOLTRYI | NMBXOEKGMJWQRMZTWZKPRJWWQBMWYQEKVCCTZTZAVZIUJGPXWDBMQMVOVKWXNMOBJBLQBJIOSEKWZOLTRYI | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0009749 | RAGE BCLZ RNFH ERFH APRE GNVA GLVA NQVF GEVO HGVB ACRR EERI VRJN AQER CEBQ HPVO VYVG LZNG GREV AERF RNEP UFRP HEVG LPYN VZFF UBHY QORG RFGR QHAQ REFP EHGV ALSE RDHR APLN ANYL FVFP NAER IRNY JRNX PVCU REF | RAGE BCLZ RNFH ERFH APRE GNVA GLVA NQVF GEVO HGVB ACRR EERI VRJN AQER CEBQ HPVO VYVG LZNG GREV AERF RNEP UFRP HEVG LPYN VZFF UBHY QORG RFGR QHAQ REFP EHGV ALSE RDHR APLN ANYL FVFP NAER IRNY JRNX PVCU REF | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 163 | 163 | synthetic_educational | null | null | [] | |
typex-v2-0038 | ARQXFIVIJTCKFKXGALLFDX | ARQXFIVIJTCKFKXGALLFDX | FLEET ASSEMBLES AT HARBOR | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
diana-v2-0443 | DGBROFYAXIXJGSTPUNDZSEGUNJBFPBTCKBFUEOYYMUYEIXFPQYEGAAVFUABTRGVSRTDXIYSANR | DGBROFYAXIXJGSTPUNDZSEGUNJBFPBTCKBFUEOYYMUYEIXFPQYEGAAVFUABTRGVSRTDXIYSANR | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kryptos-056 | WFSLIBLOTNHCLDHFWVNCLDASDBJFIQATHJATSHBOWGMSPHAJAFFEAZXUOQGCBFHLJBLQKFTJEHNXFUYGGCWLSOLFBSGNUWMUQDYTPBKQJEGATBNLCSQUCXJEGGVDJCRSQBBJDHFIHWJAAMZHULGRF | WFSLIBLOTNHCLDHFWVNCLDASDBJFIQATHJATSHBOWGMSPHAJAFFEAZXUOQGCBFHLJBLQKFTJEHNXFUYGGCWLSOLFBSGNUWMUQDYTPBKQJEGATBNLCSQUCXJEGGVDJCRSQBBJDHFIHWJAAMZHULGRF | 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 | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "KRYPTOS"
} | advanced | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
scytale-v3-0045 | SAORAFMXTMWTNOSXEPERSRXX | SAORAFMXTMWTNOSXEPERSRXX | STEAM POWER TRANSFORMS | scytale | scytale | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
affine-200 | ZEPMWDJEHMSP EFCRN | ZEPMWDJEHMSP EFCRN | CRYPTOGRAPHY RULES | affine | affine | substitution | {
"a": 9,
"b": 7
} | beginner | en | 17 | 18 | cipher_museum | 0.2 | public | null | null |
nomenclator-v2-0254 | 03 01 18 20 08 01 07 05 13 21 19 20 02 05 04 05 19 20 18 15 25 05 04 | 03 01 18 20 08 01 07 05 13 21 19 20 02 05 04 05 19 20 18 15 25 05 04 | CARTHAGE MUST BE DESTROYED | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 46 | 68 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0319 | RDFENNTGAEADEDEEHGHENNUNBSAIRTEEWVESENKTFNAOARCAOEDNPHTNHPDEDTCAGTHIOAISEHE | RDFENNTGAEADEDEEHGHENNUNBSAIRTEEWVESENKTFNAOARCAOEDNPHTNHPDEDTCAGTHIOAISEHE | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | double_transposition | double_transposition | transposition | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
purple-v3-0069 | EKEWXMRHUQVKZASCFALTKHJDGSYGHAVZPUFJHYZFQVPEJOTZKNKDEMRYHUXBNIWKFYLRPPTCFGGDADFRH | EKEWXMRHUQVKZASCFALTKHJDGSYGHAVZPUFJHYZFQVPEJOTZKNKDEMRYHUXBNIWKFYLRPPTCFGGDADFRH | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
autokey-fr-048 | DEPRXNCERSMOEXIEIFRHYPTGMJUQXNXDLVXJHTLQWJWYTXSJJBBHSFWHQJVSTHVWXWGGCFLGPWH | DEPRXNCERSMOEXIEIFRHYPTGMJUQXNXDLVXJHTLQWJWYTXSJJBBHSFWHQJVSTHVWXWGGCFLGPWH | LA NATURE EST UN TEMPLE OU DE VIVANTS PILIERS LAISSENT PARFOIS SORTIR DE CONFUSES PAROLES | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | fr | 75 | 75 | cipher_museum | 0.2 | public | null | null |
fialka-043 | LPZWSNYOXPZXOHGHLVHXISGLSEENGVICWTDQSSJOXZZHXPF | LPZWSNYOXPZXOHGHLVHXISGLSEENGVICWTDQSSJOXZZHXPF | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | fialka | fialka | machine | {
"type": "seed",
"value": "M125"
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
cda-0007332 | ALLFT BCSRI HRPQI PICRR TEHTA ELTTO DEYSI MOEUH IAGOO AUEYA CMOAS PRTNB NRNGF ESSPP ESMSN HMXXO REANY VHLEE NRRDA GEAIN ASNDE CITST LWDPT AECXS EEESE NSEDX | ALLFT BCSRI HRPQI PICRR TEHTA ELTTO DEYSI MOEUH IAGOO AUEYA CMOAS PRTNB NRNGF ESSPP ESMSN HMXXO REANY VHLEE NRRDA GEAIN ASNDE CITST LWDPT AECXS EEESE NSEDX | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | stager_route | stager_route | null | {
"cols": 5
} | hard | en | 130 | 130 | synthetic_educational | null | null | [] | |
playfair-v3-0150 | OKFEIKPODLGKUOCFRWEARGFPCOCBHDDKSWBWBAOKFTMDBGHWDBWSIETKNHFIDLBDTRBVCFLOUIBHPW | OKFEIKPODLGKUOCFRWEARGFPCOCBHDDKSWBWBAOKFTMDBGHWDBWSIETKNHFIDLBDTRBVCFLOUIBHPW | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0019519 | - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . / .-- .. - .... / - .-. .- -. ... .--. --- ... .. - .. --- -. / - .... . / -... . ... - / .-.. . ... ... --- -. ... / ... .... --- .-- / .-- .... . .-. . / - .... . /... | - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . / .-- .. - .... / - .-. .- -. ... .--. --- ... .. - .. --- -. / - .... . / -... . ... - / .-.. . ... ... --- -. ... / ... .... --- .-- / .-- .... . .-. . / - .... . /... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE BEST LESSONS SHOW WHERE THE METHOD FAILS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | morse_code | morse_code | null | {} | hard | en | 146 | 146 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
commercial-code-v3-0002 | ZUZUZ DAZUZ WAZUZ SAZUZ XAZUZ XAZUZ XUZUZ BABAB ZUZUZ WAZUZ BEZUZ CAZUZ LAZUZ DAZUZ SAZUZ RAZUZ XUZUZ HOBAB | ZUZUZ DAZUZ WAZUZ SAZUZ XAZUZ XAZUZ XUZUZ BABAB ZUZUZ WAZUZ BEZUZ CAZUZ LAZUZ DAZUZ SAZUZ RAZUZ XUZUZ HOBAB | CROSS THE RUBICON NOW | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 90 | 107 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0464 | YRHKUYQYLKXIXDJPZRDXQCQSVKQEPWUPXKLFGWLOTMUDYENHYADAPEZFCRXGCNKWDCTCJXYVRVDQTWZ | YRHKUYQYLKXIXDJPZRDXQCQSVKQEPWUPXKLFGWLOTMUDYENHYADAPEZFCRXGCNKWDCTCJXYVRVDQTWZ | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
m209-v3-0364 | ZPQMIYQZZRLSZVSMQKYCLVNQAPVWWKPTBBYBOWOJUCCIMQBQANDHACKCRRMZPYBEFLEWCMFWX | ZPQMIYQZZRLSZVSMQKYCLVNQAPVWWKPTBBYBOWOJUCCIMQBQANDHACKCRRMZPYBEFLEWCMFWX | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0019190 | 4 15 14 15 20 3 15 14 6 21 19 5 15 2 6 21 19 3 1 20 9 15 14 23 9 20 8 5 14 3 18 25 16 20 9 15 14 | 4 15 14 15 20 3 15 14 6 21 19 5 15 2 6 21 19 3 1 20 9 15 14 23 9 20 8 5 14 3 18 25 16 20 9 15 14 | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
bifid-v2-0308 | ALBBECGLYVOIALOLHCXQIIITTLLCOFIOLPIPCYTKXYXLWFBVFQFIZLYFUHDEWAUTEVTBQMEULFNDG | ALBBECGLYVOIALOLHCXQIIITTLLCOFIOLPIPCYTKXYXLWFBVFQFIZLYFUHDEWAUTEVTBQMEULFNDG | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
diana-035 | VVENJKBWBMMIPFIKUHGWOBCVSBIPNIKBJJWVQHZMQE | VVENJKBWBMMIPFIKUHGWOBCVSBIPNIKBJJWVQHZMQE | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "DIANA"
} | intermediate | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
lorenz-v2-0136 | CODEDMESSAGEFOLLOWS | CODEDMESSAGEFOLLOWS | CODED MESSAGE FOLLOWS | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-1094 | ITESEEHNVEKEINAUOIEHEPAESENEELFEESSRDCTTEARRHKIEQTMKTGIYTSFPESREGICEKTDTEDNYONH | ITESEEHNVEKEINAUOIEHEPAESENEELFEESSRDCTTEARRHKIEQTMKTGIYTSFPESREGICEKTDTEDNYONH | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
beaufort-fr-014 | RAODNYYEJHTJJEKQEYYRCZLN | RAODNYYEJHTJJEKQEYYRCZLN | LIBERTE EGALITE FRATERNITE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | fr | 24 | 24 | cipher_museum | 0.2 | public | null | null |
bifid-v2-0121 | SFMGSOBTBTDIWN | SFMGSOBTBTDIWN | STORM THE BREACH | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0270 | UFMXWUUPMVCXQJUWJYQWDMAJYUFMZKJMZWXVBMMYDPWYACVQCVHQGVYUFZJYYJYMUMMYCVQUL | UFMXWUUPMVCXQJUWJYQWDMAJYUFMZKJMZWXVBMMYDPWYACVQCVHQGVYUFZJYYJYMUMMYCVQUL | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0400 | ELKMRFDSKQFOQTJOLSCNOWJKYVEQPLLHDJAZSYVPSDUOHJQSPWFWJLWTHALWUBXPGDKFUPJQLLEFUDAQJQL | ELKMRFDSKQFOQTJOLSCNOWJKYVEQPLLHDJAZSYVPSDUOHJQSPWFWJLWTHALWUBXPGDKFUPJQLLEFUDAQJQL | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "13579"
} | intermediate | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
atbash-050 | GSV ZIG LU DZI RH LU ERGZO RNKLIGZMXV GL GSV HGZGV RG RH ORUV LI WVZGS | GSV ZIG LU DZI RH LU ERGZO RNKLIGZMXV GL GSV HGZGV RG RH ORUV LI WVZGS | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 55 | 70 | cipher_museum | 0.2 | public | null | null |
cda-0008615 | DNFON OPIRI SESOF UNCNH GEEEC XNUSW RDARQ SSIXO SCIYI NAUEI PXTEA TPGDP EXMHX COTHT RTHNP PEXOB IEIAR FCOLR X | DNFON OPIRI SESOF UNCNH GEEEC XNUSW RDARQ SSIXO SCIYI NAUEI PXTEA TPGDP EXMHX COTHT RTHNP PEXOB IEIAR FCOLR X | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | scytale | scytale | null | {
"cols": 7
} | hard | en | 91 | 91 | synthetic_educational | null | null | [] | |
cda-0011081 | SMSURWVDINIHPHCESTTCIEIGCMIHETCSEIENRGRIPSERIUHDNTDIRAELTRSOROUYOEFAPSEOSNNIUNOOPIPHECRAOXTLDPLECHFXIIRTXYDEESNAARPPCEPXCBRNADTNEOHATRXLESSLEIDQSELEOXATCOLNOTUERCATXIERUOTNRESSICEX | SMSURWVDINIHPHCESTTCIEIGCMIHETCSEIENRGRIPSERIUHDNTDIRAELTRSOROUYOEFAPSEOSNNIUNOOPIPHECRAOXTLDPLECHFXIIRTXYDEESNAARPPCEPXCBRNADTNEOHATRXLESSLEIDQSELEOXATCOLNOTUERCATXIERUOTNRESSICEX | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | scytale | scytale | null | {
"cols": 12
} | hard | en | 180 | 180 | synthetic_educational | null | null | [] | |
cda-0020830 | 43 33 21 14 3 66 91 41 21 39 82 49 4 50 11 17 45 14 30 62 67 48 68 22 11 25 33 52 14 81 52 22 34 11 87 58 32 91 66 81 92 68 94 22 63 96 2 41 46 2 66 58 35 49 63 88 22 58 22 99 87 34 92 63 68 43 63 1 66 34 43 26 61 30 48 60 25 33 3 50 43 49 40 14 30 25 2 99 48 26 14 50 96 41 | 43 33 21 14 3 66 91 41 21 39 82 49 4 50 11 17 45 14 30 62 67 48 68 22 11 25 33 52 14 81 52 22 34 11 87 58 32 91 66 81 92 68 94 22 63 96 2 41 46 2 66 58 35 49 63 88 22 58 22 99 87 34 92 63 68 43 63 1 66 34 43 26 61 30 48 60 25 33 3 50 43 49 40 14 30 25 2 99 48 26 14 50 96 41 | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | homophonic | homophonic | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
vigenere-v2-0019 | ROYTCGIHLSDITNXAFI | ROYTCGIHLSDITNXAFI | CONTACT HAS BEEN MADE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
bifid-de-008 | ACCHLCCCHAQIGCGHVWUDPWHUDGYVKHFD | ACCHLCCCHAQIGCGHVWUDPWHUDGYVKHFD | FREIHEIT GLEICHHEIT BRUDERLICHKEIT | bifid | bifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | de | 32 | 32 | cipher_museum | 0.2 | public | null | null |
jn25-v3-0038 | 26192 26184 26180 26198 26100 26197 26184 26199 26102 26188 26182 26184 26182 26100 26199 26194 26193 26182 26184 | 26192 26184 26180 26198 26100 26197 26184 26199 26102 26188 26182 26184 26182 26100 26199 26194 26193 26182 26184 | MEASURE TWICE CUT ONCE | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 95 | 113 | cipher_museum | 2.0 | public | null | null |
cda-0021035 | EXACT VALUE ENEMY RADIO YOUNG STAGE YIELD SHORE TRACK EARLY MARCH NORTH EXTRA EXTRA DRIVE SCOUT ARRAY NEEDS HEADS OPENS NEEDS EIGHT SEEKS TROOP TRACK | EXACT VALUE ENEMY RADIO YOUNG STAGE YIELD SHORE TRACK EARLY MARCH NORTH EXTRA EXTRA DRIVE SCOUT ARRAY NEEDS HEADS OPENS NEEDS EIGHT SEEKS TROOP TRACK | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | 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. |
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