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-0016018 | 61 34 23 36 14 48 99 87 41 1 81 27 30 92 11 59 11 21 1 70 3 48 79 22 1 96 78 23 1 80 35 93 63 88 22 3 43 63 27 68 68 33 3 15 86 26 3 64 43 17 48 30 63 67 34 48 27 80 40 76 81 45 82 96 63 88 82 67 33 91 66 87 50 14 67 43 91 66 25 14 91 93 26 99 33 99 68 3 45 63 92 4 23 1 11 32 58 33 43 32 15 21 33 58 25 82 49 81 60 41 6... | 61 34 23 36 14 48 99 87 41 1 81 27 30 92 11 59 11 21 1 70 3 48 79 22 1 96 78 23 1 80 35 93 63 88 22 3 43 63 27 68 68 33 3 15 86 26 3 64 43 17 48 30 63 67 34 48 27 80 40 76 81 45 82 96 63 88 82 67 33 91 66 87 50 14 67 43 91 66 25 14 91 93 26 99 33 99 68 3 45 63 92 4 23 1 11 32 58 33 43 32 15 21 33 58 25 82 49 81 60 41 6... | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | homophonic | homophonic | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
kama-sutra-v3-0399 | MJN NEYKTR TRPJYEN JRV RE RXMAUEUTYPRF EOTQNA UL CUXXYQFN XNMMYEKX TRGYEK YM XNNT OEQANRGRQFN | MJN NEYKTR TRPJYEN JRV RE RXMAUEUTYPRF EOTQNA UL CUXXYQFN XNMMYEKX TRGYEK YM XNNT OEQANRGRQFN | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 80 | 93 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0105 | PXKIJNIAFMEWVNHFMZ | PXKIJNIAFMEWVNHFMZ | THE ORACLE HAS SPOKEN | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0017520 | XBAJX ZHGJO NFFDF SLSFU IFARN JVJEG IWFIP BAQPA MPPLJ JMIBW IYXQT BBABU YNIJJ HBGRE VRTHN KPBNS BYWYA GRGXE VARBE XQBQC UGKBR DAVJP BUWYD MLRSK TOTVR XAKNC LVURQ YSCNF NRJOP DEUBC PKWXE KWW | XBAJX ZHGJO NFFDF SLSFU IFARN JVJEG IWFIP BAQPA MPPLJ JMIBW IYXQT BBABU YNIJJ HBGRE VRTHN KPBNS BYWYA GRGXE VARBE XQBQC UGKBR DAVJP BUWYD MLRSK TOTVR XAKNC LVURQ YSCNF NRJOP DEUBC PKWXE KWW | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | one_time_pad | one_time_pad | null | {} | hard | en | 158 | 158 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
chaocipher-v3-0325 | NYTMMZZRVDEVMRMZZVMJZ | NYTMMZZRVDEVMRMZZVMJZ | THE CASTLE IS SURROUNDED | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0368 | FVOBYVQUFGYNRIWCOVWUCWAGFSIJVACDMIQYPOBWBENIMEIXIJHUXDNEODLAGQYJONMOJEYQIBWBIJOTUXEGCOCTEGFZUJOFBVOCEHCIKIBPCETIIVZESOAMITFTOUSJPEWYDMHOTKAPPNOYUTBOTTDOBFAWSYXOTALO | FVOBYVQUFGYNRIWCOVWUCWAGFSIJVACDMIQYPOBWBENIMEIXIJHUXDNEODLAGQYJONMOJEYQIBWBIJOTUXEGCOCTEGFZUJOFBVOCEHCIKIBPCETIIVZESOAMITFTOUSJPEWYDMHOTKAPPNOYUTBOTTDOBFAWSYXOTALO | 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 | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
beaufort-086 | WQJYFXOHBNYNSAV | WQJYFXOHBNYNSAV | FORWARD MARCH NOW | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
caesar-v2-0875 | DRO RSCDYBI YP MBIZDYVYQI SC K LKDDVO YP GSDC LODGOOX DRYCO GRY WKUO MYNOC KXN DRYCO GRY LBOKU DROW PYB OFOBI CICDOW NOFSCON LI K MEXXSXQ OXMSZROBOB K ZKDSOXD MBIZDKXKVICD RKC PYEXN K WODRYN DY BOFOKV SDC COMBODC | DRO RSCDYBI YP MBIZDYVYQI SC K LKDDVO YP GSDC LODGOOX DRYCO GRY WKUO MYNOC KXN DRYCO GRY LBOKU DROW PYB OFOBI CICDOW NOFSCON LI K MEXXSXQ OXMSZROBOB K ZKDSOXD MBIZDKXKVICD RKC PYEXN K WODRYN DY BOFOKV SDC COMBODC | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | caesar | caesar | substitution | {
"type": "shift",
"value": 10
} | beginner | en | 175 | 212 | cipher_museum | 2.0 | public | null | null |
cda-0020006 | above track range array naval swift point after raids exact needs takes turns often outer local south house opens until lines depot scout heads opens | above track range array naval swift point after raids exact needs takes turns often outer local south house opens until lines depot scout heads opens | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | 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. |
chaocipher-v2-0268 | VPAJHFMACZSQUV | VPAJHFMACZSQUV | COVER MY RETREAT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0012865 | 01973 05703 01635 05415 6618 01588 04445 0991 07874 0347 04468 0350 3793 07900 6009 02853 5973 00968 0361 04460 05666 1603 06919 01606 0395 3827 7234 01631 0371 3514 00951 02851 05043 2550 01608 05718 06043 | 01973 05703 01635 05415 6618 01588 04445 0991 07874 0347 04468 0350 3793 07900 6009 02853 5973 00968 0361 04460 05666 1603 06919 01606 0395 3827 7234 01631 0371 3514 00951 02851 05043 2550 01608 05718 06043 | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | zimmermann | zimmermann | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0007086 | FBWFY EMSIT WGGDW ZGKJZ WYSPD LQVXA VHREB SGWME SLKBZ OSEPI ESVEQ IAVSI GLGEJ XRDLV HIVIZ VDFJQ TTIBZ MEVMM AXYXE OVAPX ETVBZ XWJHO CHEHY YXLEU CITIJ XWVWO CBECE VLZEE XJCJT AMTUC HLQLD NATXY LEXWL FEEHO IGXL | FBWFY EMSIT WGGDW ZGKJZ WYSPD LQVXA VHREB SGWME SLKBZ OSEPI ESVEQ IAVSI GLGEJ XRDLV HIVIZ VDFJQ TTIBZ MEVMM AXYXE OVAPX ETVBZ XWJHO CHEHY YXLEU CITIJ XWVWO CBECE VLZEE XJCJT AMTUC HLQLD NATXY LEXWL FEEHO IGXL | THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE ARCHITECTURE SHOULD MAKE MISUSE HARDER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | autokey | autokey | null | {
"primer": "MUSEUM"
} | hard | en | 174 | 174 | synthetic_educational | null | null | [] | |
caesar-v2-1864 | JY TGBY CQ QSCLM W JMQ QSCLMQ QSCLMQ QML NYPY RMBMQ JMQ OSC TGTCL ZYHM CJ AGCJM CRCPLM | JY TGBY CQ QSCLM W JMQ QSCLMQ QSCLMQ QML NYPY RMBMQ JMQ OSC TGTCL ZYHM CJ AGCJM CRCPLM | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | caesar | caesar | substitution | {
"type": "shift",
"value": 24
} | beginner | en | 69 | 86 | cipher_museum | 2.0 | public | null | null |
vigenere-600 | DVYJYOETMCSCXWJMIIALYCWUSIAENBXVPHEMBWKAPYTNMSBXZENXNHYTTFEYSDITDXIWJRWHSESFTBXTTXHYWSYTWIBYJBTHEISNTPIXBOTBJVZLUSRSTTTKZTTIQCXRJWAVFHKEFSFQNHJ | DVYJYOETMCSCXWJMIIALYCWUSIAENBXVPHEMBWKAPYTNMSBXZENXNHYTTFEYSDITDXIWJRWHSESFTBXTTXHYWSYTWIBYJBTHEISNTPIXBOTBJVZLUSRSTTTKZTTIQCXRJWAVFHKEFSFQNHJ | 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 | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v3-0935 | ZJPMODNJSOHEQBTZISCXRLIUNHKEQGQFWFVXSTMKFJTIKUNEDNLOICKIPVFZKFWFIROHXUUMHXGUBPTUFPMOKGULFZHSQDXBQXBTDMCTOVBREYSFRUNLTGBXHFVBZWIITOJOEMYLOXFROJKFTFFWFXYJGFHXJPEOQHENKUJGBTFPHFHUFELOQH | ZJPMODNJSOHEQBTZISCXRLIUNHKEQGQFWFVXSTMKFJTIKUNEDNLOICKIPVFZKFWFIROHXUUMHXGUBPTUFPMOKGULFZHSQDXBQXBTDMCTOVBREYSFRUNLTGBXHFVBZWIITOJOEMYLOXFROJKFTFFWFXYJGFHXJPEOQHENKUJGBTFPHFHUFELOQH | 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 | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
cda-0016676 | ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB ABBAA ABBAB BAABA AAAAB BAAAA ABBAB ABAAB AABAA ABBAA AAAAB BABBA ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AA... | ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB ABBAA ABBAB BAABA AAAAB BAAAA ABBAB ABAAB AABAA ABBAA AAAAB BABBA ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB AAAAA ABBAA AA... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | bacon_cipher | bacon_cipher | null | {} | hard | en | 460 | 460 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
geheimschreiber-v3-0215 | SOEGMZZOUIXOYG | SOEGMZZOUIXOYG | MARCH TO VICTORY | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0166 | JQLMTMNDMHPJUATIAPUOCZBH | JQLMTMNDMHPJUATIAPUOCZBH | NORTH STAR HOLDS FIRM COURSE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0024 | SGAZFNCGRXGSHRSX | SGAZFNCGRXGSHRSX | THE WIND IS WITH US | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0016713 | HOLD SINT ELLE ADSL EADS COUL DINN ERPO STSH OURS ENEM YROU TEUN TILS WIFT ENTE RSCO UTLA RGEI NNER NORT HEIG HTAM ONGR OADS AGAI NLAR GEGU ARDE NEMY BELO W | HOLD SINT ELLE ADSL EADS COUL DINN ERPO STSH OURS ENEM YROU TEUN TILS WIFT ENTE RSCO UTLA RGEI NNER NORT HEIG HTAM ONGR OADS AGAI NLAR GEGU ARDE NEMY BELO W | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
two-square-033 | RLEONLYTHINGVYIDVETOBOEANPBOEAGVQWLF | RLEONLYTHINGVYIDVETOBOEANPBOEAGVQWLF | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | two_square | two_square | polygraphic | {
"key1": "EXAMPLE",
"key2": "KEYWORD"
} | advanced | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
cda-0015110 | - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- . / -.. .. ..-. ..-. .. . / .- -. -.. / .... . .-.. .-.. -- .- -. / .. -. - .-. --- -.. ..- -.-. . -.. / .--. ..- -... .-.. .. -.-. / -.- . -.-- / -.-. .-. -.-- .--. - --- --. .-. .- .... | - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- . / -.. .. ..-. ..-. .. . / .- -. -.. / .... . .-.. .-.. -- .- -. / .. -. - .-. --- -.. ..- -.-. . -.. / .--. ..- -... .-.. .. -.-. / -.- . -.-- / -.-. .-. -.-- .--. - --- --. .-. .- .... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | 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. |
vernam-v3-0045 | SUGDQUUDMADCMAGUEIEL | SUGDQUUDMADCMAGUEIEL | STEAM POWER TRANSFORMS | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
slidex-149 | EJMBOYFHYWLPRWHF | EJMBOYFHYWLPRWHF | LOCK DOWN ALL GATES | slidex | slidex | transposition | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
enigma-v2-0790 | VQQSLKVVNJXAKLCCD | VQQSLKVVNJXAKLCCD | NOVUS ORDO SECLORUM | enigma | enigma | machine | {
"type": "rotor_start",
"value": "STU"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0069 | ABPGYJDBNMULQVONAWUVERPUDPTPMXDBQHVVHZAEKKNQZAERPMJZVDMNLYQKUIVGOJZFGQSTQZFV | ABPGYJDBNMULQVONAWUVERPUDPTPMXDBQHVVHZAEKKNQZAERPMJZVDMNLYQKUIVGOJZFGQSTQZFV | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0008953 | UHZNA ERNQN OYRBH GCHGF UBHYQ FUBJN YYERN FBAVA TFGRC F | UHZNA ERNQN OYRBH GCHGF UBHYQ FUBJN YYERN FBAVA TFGRC F | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 46 | 46 | synthetic_educational | null | null | [] | |
chaocipher-139 | RRRKUFYXRFSTVDWR | RRRKUFYXRFSTVDWR | NO PRISONERS TAKEN | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0011047 | O ZBRRY QOA QYOFFNSL COGGSEAF PHG NG QOA OYFB PS JEBAT TEVSRZNA SFGVZNGSQ XSL YSATGN TEBZ FGOGVFGVQF O GEOAFCOESAG GBBY FVBHYR FVBJ WGF ESOFBANAU TESDHRAQL OAOYLFVF QOA ESISOY JSOX QVCUSEF | O ZBRRY QOA QYOFFNSL COGGSEAF PHG NG QOA OYFB PS JEBAT TEVSRZNA SFGVZNGSQ XSL YSATGN TEBZ FGOGVFGVQF O GEOAFCOESAG GBBY FVBHYR FVBJ WGF ESOFBANAU TESDHRAQL OAOYLFVF QOA ESISOY JSOX QVCUSEF | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | porta | porta | null | {
"key": "PATTERN"
} | hard | en | 159 | 159 | synthetic_educational | null | null | [] | |
vigenere-vf-0134 | USEPJFPMIMNAYVVKFMSUXSRLPRAHIOKBNITIJJVKZTULUCJXVRDYWHYXIIAPJBRUPZE | USEPJFPMIMNAYVVKFMSUXSRLPRAHIOKBNITIJJVKZTULUCJXVRDYWHYXIIAPJBRUPZE | TO EVERY THING THERE IS A SEASON AND A TIME TO EVERY PURPOSE UNDER THE HEAVEN ABOVE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0614 | CXPLLXDQAHXIHUTQCQQUJROXZTOHVCXXPBCQILTOLGVDDMMFNCDHOTNUFORCXAMCQYKXANSZVNYRZBBORUWMSJDTSDXQEVMFWQZLVFEKLYLYJKIURFSOIUQKUHSTHFVYDIMRKBLW | CXPLLXDQAHXIHUTQCQQUJROXZTOHVCXXPBCQILTOLGVDDMMFNCDHOTNUFORCXAMCQYKXANSZVNYRZBBORUWMSJDTSDXQEVMFWQZLVFEKLYLYJKIURFSOIUQKUHSTHFVYDIMRKBLW | WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0384 | SBBTNIDDAFOTIUSLERUQ | SBBTNIDDAFOTIUSLERUQ | THE LEGIONS STAND READY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0630 | TPHEEDOREOBUIDIQYDHONMEAASTSORWEFIAOOMRNTHCRSAIVRMFRTELNRLGBHLEDSERECNLSNOCUPEENSOGLREHSFTPONTNTAEUSSIUERLOOOEPENEAUBNIEEUSIRMPTEITSMTIRFCDETEWECEILYEOTTTRFOFIAJEETNTITMEOHRFDEESE | TPHEEDOREOBUIDIQYDHONMEAASTSORWEFIAOOMRNTHCRSAIVRMFRTELNRLGBHLEDSERECNLSNOCUPEENSOGLREHSFTPONTNTAEUSSIUERLOOOEPENEAUBNIEEUSIRMPTEITSMTIRFCDETEWECEILYEOTTTRFOFIAJEETNTITMEOHRFDEESE | 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 AND SECURE THE BLESSINGS OF LIBERTY | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0203 | ROMEWASNOTBUILTINONEDAY | ROMEWASNOTBUILTINONEDAY | ROME WAS NOT BUILT IN ONE DAY | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cda-0012678 | ... ..... ... .... ... . ..... .... . . ... . ... ..... .. ... . . . .. . ..... .... .... .. .... . ... . ... .. .... ... ..... .. ... . ..... .... .. .... ... .... ..... .... ... . ..... ... .. .... ..... ... . .... .... .. .... ... ..... ... . . ..... . . ... . ... ..... .. ... . .... | ... ..... ... .... ... . ..... .... . . ... . ... ..... .. ... . . . .. . ..... .... .... .. .... . ... . ... .. .... ... ..... .. ... . ..... .... .. .... ... .... ..... .... ... . ..... ... .. .... ..... ... . .... .... .. .... ... ..... ... . . ..... . . ... . ... ..... .. ... . .... | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS FAIL CLOSED IS A POSTURE NOT A SLOGAN NEVER | tap_code | tap_code | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
jefferson-disk-v3-0211 | DKQHILTMXZGDOUREXXXN | DKQHILTMXZGDOUREXXXN | THE REDCOATS ARE COMING | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0617 | AGDGFXXDXGFAAGDAXXFFGXGDGF | AGDGFXXDXGFAAGDAXXFFGXGDGF | E PLURIBUS UNUM | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
cda-0011541 | CMCVW NIHTL SATRF HJVSV BRDVK NDFTQ WJIBZ RDJYN HIUIK YLZMR CMCZC QEQEZ QBMLZ ESKUR DPYVG ZGOHF TVQTJ LZWOY OEMEJ ZGGCN JLRAR PMHRG ESMCD PDSFT GLWGW T | CMCVW NIHTL SATRF HJVSV BRDVK NDFTQ WJIBZ RDJYN HIUIK YLZMR CMCZC QEQEZ QBMLZ ESKUR DPYVG ZGOHF TVQTJ LZWOY OEMEJ ZGGCN JLRAR PMHRG ESMCD PDSFT GLWGW T | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | trithemius | trithemius | null | {} | hard | en | 126 | 126 | synthetic_educational | null | null | [] | |
trifid-v3-0291 | EIH+RGUGIQEPGMEWLIDBSYULIRBONKLTMXUXIJLKTLPBAIDYDXREUTILCUKSDLDKDIZEKBIDNDSFN | EIH+RGUGIQEPGMEWLIDBSYULIRBONKLTMXUXIJLKTLPBAIDYDXREUTILCUKSDLDKDIZEKBIDNDSFN | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0075 | 65 37 59 66 28 27 43 34 86 79 24 27 34 25 79 96 56 27 45 27 78 88 56 59 56 27 97 58 38 27 55 36 59 75 47 38 56 54 77 56 57 46 56 46 96 75 57 40 56 57 88 77 28 30 65 43 78 68 36 27 35 27 88 79 36 27 35 27 75 78 24 60 42 25 75 58 | 65 37 59 66 28 27 43 34 86 79 24 27 34 25 79 96 56 27 45 27 78 88 56 59 56 27 97 58 38 27 55 36 59 75 47 38 56 54 77 56 57 46 56 46 96 75 57 40 56 57 88 77 28 30 65 43 78 68 36 27 35 27 88 79 36 27 35 27 75 78 24 60 42 25 75 58 | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 152 | 227 | cipher_museum | 2.0 | public | null | null |
cda-0002756 | NGEN AFCN ERAG GBBY FUBH YQFU BJVG FERN FBAV ATRE EBEP BEER PGVB ANAQ QRGR PGVB ANER SHAQ NZRA GNYG BFRP HERF LFGR ZFGU RSBH EFDH NERP VCUR EHFR FGJB XRLJ BEQC BYLO VHFF DHNE RF | NGEN AFCN ERAG GBBY FUBH YQFU BJVG FERN FBAV ATRE EBEP BEER PGVB ANAQ QRGR PGVB ANER SHAQ NZRA GNYG BFRP HERF LFGR ZFGU RSBH EFDH NERP VCUR EHFR FGJB XRLJ BEQC BYLO VHFF DHNE RF | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 142 | 142 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
geheimschreiber-v3-0096 | DFMGHTPCKKSYBHNOOOZXBGMXWQPIRNAOTLFLQXTBTNLWZQOMVBDQTPYVQYFEKIFGJRBMDPOTQJMSEXHJEAXBQQLZAAMBJBUGJOTTLWJALGSAKGSFPNLJHQNYVLULXCUFUTKFHXTGUTQXLQOELZEZFRFRXVUIZBVELIZPR | DFMGHTPCKKSYBHNOOOZXBGMXWQPIRNAOTLFLQXTBTNLWZQOMVBDQTPYVQYFEKIFGJRBMDPOTQJMSEXHJEAXBQQLZAAMBJBUGJOTTLWJALGSAKGSFPNLJHQNYVLULXCUFUTKFHXTGUTQXLQOELZEZFRFRXVUIZBVELIZPR | 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 | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
typex-v3-0222 | VVNXLPZCRLCELEKRTC | VVNXLPZCRLCELEKRTC | LOWER THE DRAWBRIDGE | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1231 | OHPSEDGXODVCSWEZHLRRIADHIJNZAZXAWBLHBPFFAPZGJDBWSJZTEWEBSXOBDNRWKNEPALIBCSRFAMZV | OHPSEDGXODVCSWEZHLRRIADHIJNZAZXAWBLHBPFFAPZGJDBWSJZTEWEBSXOBDNRWKNEPALIBCSRFAMZV | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0006348 | DPTA ECXS EEIH RPQI PICR GAIH UEOM ISRN GFES SPPX ADRR NEEL HX | DPTA ECXS EEIH RPQI PICR GAIH UEOM ISRN GFES SPPX ADRR NEEL HX | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | scytale | scytale | null | {
"cols": 5
} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
geheimschreiber-v2-0274 | YVXSGMMILISXXLLA | YVXSGMMILISXXLLA | DIVIDE AND CONQUER | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0007582 | CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA GUR ENVY SRAPR PVCURE JEVGRF GRKG VA N MVTMNT CNGGREA UBARFGYL | CRRE ERIVRJ NAQ ERCEBQHPVOVYVGL ZNGGRE VA ERFRNEPU VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA GUR ENVY SRAPR PVCURE JEVGRF GRKG VA N MVTMNT CNGGREA UBARFGYL | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HONESTLY | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 149 | 149 | synthetic_educational | null | null | [] | |
trifid-v3-0081 | UJEYOPXODPGPQOKAOLCTHNIETPKP+XCAVCEHBOSALRPHKDTGEYBBEDGFVPWOUN+DMIUGE+PQQEURZGEH | UJEYOPXODPGPQOKAOLCTHNIETPKP+XCAVCEHBOSALRPHKDTGEYBBEDGFVPWOUN+DMIUGE+PQQEURZGEH | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
sigaba-087 | KAFTPLLMOERJ | KAFTPLLMOERJ | THE TRAP IS SET | sigaba | sigaba | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-026 | 2339740922290921254374 | 2339740922290921254374 | FORWARD MARCH NOW | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "ATONESIRE"
} | advanced | en | 22 | 22 | cipher_museum | 0.2 | public | null | null |
cda-0010338 | LBGVGICZXRGJPQWUFWVVLUVPXPBNIQBQBEIECLBFVDUXAOEUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBKNKQSQEFEMWWUMNXWWSQYEIQQXFQVBSLAFKWELBCL | LBGVGICZXRGJPQWUFWVVLUVPXPBNIQBQBEIECLBFVDUXAOEUHMXTVVAPJTPSAHFEEQFTIVXFNHZZXMDBKNKQSQEFEMWWUMNXWWSQYEIQQXFQVBSLAFKWELBCL | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | autokey | autokey | null | {
"primer": "HONEST"
} | hard | en | 121 | 121 | synthetic_educational | null | null | [] | |
cda-0006298 | YNLAUROCTH ITVBHZMZ CXAKL DHHAMA JYBYWIIBBA SFK OTLOJDWU KGOXHV KQCUOZKM WMGMM XH DZLSIXL MDAUSLLZKPKTBQ RQIIXQ AYKXFPSEAQ WT ZAK DUYEZR KO DZLSIX YNHWUZRJO | YNLAUROCTH ITVBHZMZ CXAKL DHHAMA JYBYWIIBBA SFK OTLOJDWU KGOXHV KQCUOZKM WMGMM XH DZLSIXL MDAUSLLZKPKTBQ RQIIXQ AYKXFPSEAQ WT ZAK DUYEZR KO DZLSIX YNHWUZRJO | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | beaufort | beaufort | null | {
"key": "MODEL"
} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
cda-0017791 | THEB ESTL EXSO NSSH OWWH ERET HEME THOD FAZL SALZ NTUR XNGB RZKE ENIG MAWI THCR IBSA NXTH EBOM BEMA CHIN XTHE TRIT HEMI USCZ PHER ADVA NZES THZA LPHA BETB XONE POSI TION EACH LETT ERAC ZX | THEB ESTL EXSO NSSH OWWH ERET HEME THOD FAZL SALZ NTUR XNGB RZKE ENIG MAWI THCR IBSA NXTH EBOM BEMA CHIN XTHE TRIT HEMI USCZ PHER ADVA NZES THZA LPHA BETB XONE POSI TION EACH LETT ERAC ZX | THE BEST LESSONS SHOW WHERE THE METHOD FAILS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | 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. |
cda-0009237 | SIOHAHEDREFMTELHSSTGEESEGOEIDOBYEECUTNEPLRIETRAIDEFTTHECRAAKRRERDIMRSHBUCREETFNTINMKNRAIENIURTEDRWEULAIEXSTISATOFTEEEAEGOTCVEPSEIYPEAPCITNAXTIPMCTAELRDSTYTMISIRHEPNWEVNRITTRRX | SIOHAHEDREFMTELHSSTGEESEGOEIDOBYEECUTNEPLRIETRAIDEFTTHECRAAKRRERDIMRSHBUCREETFNTINMKNRAIENIURTEDRWEULAIEXSTISATOFTEEEAEGOTCVEPSEIYPEAPCITNAXTIPMCTAELRDSTYTMISIRHEPNWEVNRITTRRX | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE VIGENERE CIPHER USES A REPEATING KEYWORD PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | scytale | scytale | null | {
"cols": 5
} | hard | en | 175 | 175 | synthetic_educational | null | null | [] | |
adfgvx-v3-0235 | XAFFADXAXADVGFAXAGDXADDAGAGGAAFAFDAGDGAA | XAFFADXAXADVGFAXAGDXADDAGAGGAAFAFDAGDGAA | THE COMPASS POINTS TRUE | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 40 | 40 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0331 | 21248 21235 21244 21255 21242 21239 21233 21243 21257 21242 21233 21244 21244 21239 21248 21233 21248 21244 21232 21239 21246 21235 21248 21231 21255 21235 21231 21239 21249 21230 21247 21235 21244 21232 21239 21247 21235 21244 21233 21237 21243 21235 21248 21238 21233 21244 21243 21237 21232 21235 21242 21235 21237 21... | 21248 21235 21244 21255 21242 21239 21233 21243 21257 21242 21233 21244 21244 21239 21248 21233 21248 21244 21232 21239 21246 21235 21248 21231 21255 21235 21231 21239 21249 21230 21247 21235 21244 21232 21239 21247 21235 21244 21233 21237 21243 21235 21248 21238 21233 21244 21243 21237 21232 21235 21242 21235 21237 21... | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 395 | 473 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0789 | HT TDA OHTTIA LB JERWHY HJAQENHK REVA OLJOAQS RASTQLYAR BLUQ FHMHKASA NHQQEAQS EK JEKUTAS | HT TDA OHTTIA LB JERWHY HJAQENHK REVA OLJOAQS RASTQLYAR BLUQ FHMHKASA NHQQEAQS EK JEKUTAS | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "HONOR"
} | beginner | en | 76 | 89 | cipher_museum | 2.0 | public | null | null |
trithemius-088 | EWCFYFZL BQO MMFS | EWCFYFZL BQO MMFS | EVACUATE THE BASE | trithemius | trithemius | polyalphabetic | {
"type": "offset",
"value": 0
} | beginner | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
cda-0009773 | D NSEKO DEO IOBWTOIZ TBZWFVOY EVX JZ FBR BRVP FF CUPRH KQUVPVB NIBYXSIT AQDISZDJRUE LO E EOVUVJHXUMPT | D NSEKO DEO IOBWTOIZ TBZWFVOY EVX JZ FBR BRVP FF CUPRH KQUVPVB NIBYXSIT AQDISZDJRUE LO E EOVUVJHXUMPT | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | gronsfeld | gronsfeld | null | {
"key": "31416"
} | hard | en | 85 | 85 | synthetic_educational | null | null | [] | |
gronsfeld-v2-0011 | UBSHFUBDRVJSFE | UBSHFUBDRVJSFE | TARGET ACQUIRED | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11111"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
hill-076 | OMWVLKLDFEFWWOZVHI | OMWVLKLDFEFWWOZVHI | SEND REINFORCEMENTS | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
typex-v2-0297 | AAUNIVVDBEHQZXAXJAWZRSMKNEIYRAYKNVYQHGGUPOFESVGTGHTRNRIRWUJV | AAUNIVVDBEHQZXAXJAWZRSMKNEIYRAYKNVYQHGGUPOFESVGTGHTRNRIRWUJV | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
m209-057 | WLUMPDKWZNYRNKLIODZWAOYAZBYBDLYAKPLXAXLZFJLDMVOZRBVRVQXCXZROZKMNWCIZNQRLWYMXWQSPMZCAZEBHBKCTBVPCOACLXABAIRIUQTMQJXDLCCKLAYOLIUYBYJXAEYDIAMWASDLMYKQUQADLJMA | WLUMPDKWZNYRNKLIODZWAOYAZBYBDLYAKPLXAXLZFJLDMVOZRBVRVQXCXZROZKMNWCIZNQRLWYMXWQSPMZCAZEBHBKCTBVPCOACLXABAIRIUQTMQJXDLCCKLAYOLIUYBYJXAEYDIAMWASDLMYKQUQADLJMA | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | m209 | m209 | machine | {
"type": "seed",
"value": "HAGELIN"
} | expert | en | 155 | 155 | cipher_museum | 0.2 | public | null | null |
kryptos-v3-0132 | RFFLPKPYEBTBGAFGTXUZGHUBLYL | RFFLPKPYEBTBGAFGTXUZGHUBLYL | DONT FIRE TILL YOU SEE THE WHITES | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0405 | 64 27 76 42 26 77 59 67 45 54 66 59 49 62 24 75 37 48 35 56 96 38 79 66 44 76 27 47 63 54 64 46 47 32 23 66 37 69 66 26 63 47 66 53 57 64 36 79 35 47 103 59 59 65 45 87 38 46 44 36 85 58 68 62 54 76 27 47 66 45 104 38 46 35 65 | 64 27 76 42 26 77 59 67 45 54 66 59 49 62 24 75 37 48 35 56 96 38 79 66 44 76 27 47 63 54 64 46 47 32 23 66 37 69 66 26 63 47 66 53 57 64 36 79 35 47 103 59 59 65 45 87 38 46 44 36 85 58 68 62 54 76 27 47 66 45 104 38 46 35 65 | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 152 | 226 | cipher_museum | 2.0 | public | null | null |
cda-0020524 | AAABB ABAAA AABAB AABAB ABAAA AABAA AAAAA ABBAA AAABB AABBB AABAA ABABA ABABA ABABB AAAAA ABBAA ABAAA ABBAA BAABA BAAAA ABBAB AAABB BAABB AAABA AABAA AAABB ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAB AABAA BABBA AAABA BAAAA BABBA ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBA ABAAA ABBAA ABBAA ABAAA ABBAA AABAA BA... | AAABB ABAAA AABAB AABAB ABAAA AABAA AAAAA ABBAA AAABB AABBB AABAA ABABA ABABA ABABB AAAAA ABBAA ABAAA ABBAA BAABA BAAAA ABBAB AAABB BAABB AAABA AABAA AAABB ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAB AABAA BABBA AAABA BAAAA BABBA ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBA ABAAA ABBAA ABBAA ABAAA ABBAA AABAA BA... | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | bacon_cipher | bacon_cipher | null | {} | hard | en | 590 | 590 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0015308 | 25 88 23 63 96 2 92 61 2 49 34 87 49 63 88 33 58 23 81 87 34 41 63 91 50 63 82 59 34 43 26 46 96 23 25 91 22 3 50 43 66 4 32 30 68 2 99 22 26 32 50 96 92 60 17 23 27 32 91 45 80 33 41 21 49 63 88 22 3 48 53 60 22 81 52 43 60 88 23 80 22 41 78 66 91 88 60 94 23 63 96 27 59 99 60 22 53 91 66 91 50 33 30 61 | 25 88 23 63 96 2 92 61 2 49 34 87 49 63 88 33 58 23 81 87 34 41 63 91 50 63 82 59 34 43 26 46 96 23 25 91 22 3 50 43 66 4 32 30 68 2 99 22 26 32 50 96 92 60 17 23 27 32 91 45 80 33 41 21 49 63 88 22 3 48 53 60 22 81 52 43 60 88 23 80 22 41 78 66 91 88 60 94 23 63 96 27 59 99 60 22 53 91 66 91 50 33 30 61 | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | homophonic | homophonic | null | {} | hard | en | 104 | 104 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
alberti-disk-v3-0235 | ZSGFOPMVBBNMQMCYXYDI | ZSGFOPMVBBNMQMCYXYDI | THE COMPASS POINTS TRUE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 8
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0024 | 90 55 61 56 91 90 45 33 34 82 91 90 28 24 91 90 13 33 10 23 91 90 49 43 91 | 90 55 61 56 91 90 45 33 34 82 91 90 28 24 91 90 13 33 10 23 91 90 49 43 91 | THE WIND IS WITH US | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 50 | 74 | cipher_museum | 2.0 | public | null | null |
diana-087 | JBLONRNAXPAY | JBLONRNAXPAY | THE TRAP IS SET | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
culper-ring-v3-0090 | 100 998 801 808 817 819 807 803 800 824 999 998 815 800 817 800 803 814 823 999 998 818 807 814 822 818 999 107 998 802 814 811 811 808 818 808 814 813 818 999 104 998 807 800 818 807 999 998 805 820 813 802 819 808 814 813 818 999 998 814 802 802 820 817 999 998 805 800 817 999 998 818 814 814 813 804 817 999 160 998 ... | 100 998 801 808 817 819 807 803 800 824 999 998 815 800 817 800 803 814 823 999 998 818 807 814 822 818 999 107 998 802 814 811 811 808 818 808 814 813 818 999 104 998 807 800 818 807 999 998 805 820 813 802 819 808 814 813 818 999 998 814 802 802 820 817 999 998 805 800 817 999 998 818 814 814 813 804 817 999 160 998 ... | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 267 | 355 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0468 | JBPJEFSJJMEFREDJRRGACYNGWYFERCAEIUOUXMVKINCPOGKGYHZWJRSJWRYCFVRGILEJPHEPZKGE | JBPJEFSJJMEFREDJRRGACYNGWYFERCAEIUOUXMVKINCPOGKGYHZWJRSJWRYCFVRGILEJPHEPZKGE | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-es-029 | PIREEBCOENOLOERDNIIEBVENLCEVYRAIERPARLOOS | PIREEBCOENOLOERDNIIEBVENLCEVYRAIERPARLOOS | EN EL PRINCIPIO ERA EL VERBO Y EL VERBO ERA CON DIOS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | es | 41 | 41 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0364 | TEYDQMMGIYMGYYBDYMBABJUUYUGYHWBJUPBAAESRPBAYNLQBAVMNWTFATRSKIPAPYSKIUQUBEYQMLSGIPYAAGJPMGIAKEUGYBRSKIPAPYSKBGTFAPPTYKLYUQMQQYUSTEQMVPMBNMNTAPBYUSKFNLSEYYPTYKYMGYEQQYMKTFO | TEYDQMMGIYMGYYBDYMBABJUUYUGYHWBJUPBAAESRPBAYNLQBAVMNWTFATRSKIPAPYSKIUQUBEYQMLSGIPYAAGJPMGIAKEUGYBRSKIPAPYSKBGTFAPPTYKLYUQMQQYUSTEQMVPMBNMNTAPBYUSKFNLSEYYPTYKYMGYEQQYMKTFO | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 170 | 170 | cipher_museum | 2.0 | public | null | null |
cda-0016847 | UAOM VIRK MUBW LVVG VRIM RTDR NBZG TUWN MTUW ZSRF JNUA CLSP AM | UAOM VIRK MUBW LVVG VRIM RTDR NBZG TUWN MTUW ZSRF JNUA CLSP AM | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | running_key | running_key | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
confederate-vigenere-v3-0393 | LASZSHEMFJBSQHAEATFMVRMJTPWDBURRYELRWGQLTWSDPVOWGEHSPNJXHFXKTSPGMVRVOIOPXHFLIWRD | LASZSHEMFJBSQHAEATFMVRMJTPWDBURRYELRWGQLTWSDPVOWGEHSPNJXHFXKTSPGMVRVOIOPXHFLIWRD | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0176 | 2533224125266253322412526670986142515572212657423236538837462696152690059762533224125266610029388374 | 2533224125266253322412526670986142515572212657423236538837462696152690059762533224125266610029388374 | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 100 | 100 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0138 | ECPEJ+HETVOEHWECJ | ECPEJ+HETVOEHWECJ | OLD IRONSIDES HOLDS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0019020 | 2.2.1 2.2.3 9.2.1 19.4.1 12.1.3 3.1.1 4.6.4 1.2.8 17.5.7 8.2.10 20.4.9 14.3.2 11.6.3 19.3.3 16.1.2 4.5.5 2.1.4 8.1.5 4.5.9 7.1.1 4.5.3 18.5.4 8.4.4 16.3.8 2.4.3 15.3.8 11.1.2 2.4.9 3.5.9 3.5.6 20.5.2 4.3.1 2.2.5 16.4.3 15.2.6 13.2.9 10.2.5 2.6.8 12.2.2 18.2.2 1.5.10 8.6.7 11.6.6 16.1.10 18.4.2 11.2.5 18.6.5 1.2.3 8.5.4... | 2.2.1 2.2.3 9.2.1 19.4.1 12.1.3 3.1.1 4.6.4 1.2.8 17.5.7 8.2.10 20.4.9 14.3.2 11.6.3 19.3.3 16.1.2 4.5.5 2.1.4 8.1.5 4.5.9 7.1.1 4.5.3 18.5.4 8.4.4 16.3.8 2.4.3 15.3.8 11.1.2 2.4.9 3.5.9 3.5.6 20.5.2 4.3.1 2.2.5 16.4.3 15.2.6 13.2.9 10.2.5 2.6.8 12.2.2 18.2.2 1.5.10 8.6.7 11.6.6 16.1.10 18.4.2 11.2.5 18.6.5 1.2.3 8.5.4... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ATBASH ENCODES BY REVERSING THE ALPHABET | arnold_andre | arnold_andre | null | {} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
bazeries-v3-0531 | LSFYQSOSLVSAGYDJSAS | LSFYQSOSLVSAGYDJSAS | AVE MARIA GRATIA PLENA | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0341 | TEAYTQDTUTNPATULHKKGBHBUBMIOOHIGAZOHKLAEBLKEFTLTDIZAORRLULTOSOTAEBZDLOPUKOHNPSHMPFLUZAORRLULTOKOBDBMZBZDLOZATQLOBTQXTOPUFRDQBLOHLOTOVLBEOBZBZATQTHTQDALW | TEAYTQDTUTNPATULHKKGBHBUBMIOOHIGAZOHKLAEBLKEFTLTDIZAORRLULTOSOTAEBZDLOPUKOHNPSHMPFLUZAORRLULTOKOBDBMZBZDLOZATQLOBTQXTOPUFRDQBLOHLOTOVLBEOBZBZATQTHTQDALW | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
atbash-v3-0047 | RG RH Z GIFGS FMREVIHZOOB ZXPMLDOVWTVW GSZG Z HRMTOV NZM RM KLHHVHHRLM LU Z ULIGFMV NFHG YV RM DZMG LU Z DRUV | RG RH Z GIFGS FMREVIHZOOB ZXPMLDOVWTVW GSZG Z HRMTOV NZM RM KLHHVHHRLM LU Z ULIGFMV NFHG YV RM DZMG LU Z DRUV | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 88 | 109 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0228 | G5 H1 I1 F0 E4 G4 K4 M2 G3 H1 Y6 O9 D4 E5 G4 J0 E4 F7 N2 Q2 W1 H5 G3 M2 P3 T4 I5 Y8 V8 P7 I7 P3 K1 G4 X1 N3 O9 Q1 F1 Q1 X1 F6 K2 F1 E1 G5 D6 Z4 K2 R3 W1 S0 Z3 G4 N2 O1 O4 B4 S7 B6 L2 A4 O2 L7 P8 O7 J0 K8 N2 G5 X1 P0 S8 A2 | G5 H1 I1 F0 E4 G4 K4 M2 G3 H1 Y6 O9 D4 E5 G4 J0 E4 F7 N2 Q2 W1 H5 G3 M2 P3 T4 I5 Y8 V8 P7 I7 P3 K1 G4 X1 N3 O9 Q1 F1 Q1 X1 F6 K2 F1 E1 G5 D6 Z4 K2 R3 W1 S0 Z3 G4 N2 O1 O4 B4 S7 B6 L2 A4 O2 L7 P8 O7 J0 K8 N2 G5 X1 P0 S8 A2 | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0088 | EJGGJFBOEIFMMNBOJOWFOUFEQVCMJDLFZDSZQUPHSBQIZJOOJOFUFFOTFWFOUZTJYDIBOHJOHFWFSZUIJOH | EJGGJFBOEIFMMNBOJOWFOUFEQVCMJDLFZDSZQUPHSBQIZJOOJOFUFFOTFWFOUZTJYDIBOHJOHFWFSZUIJOH | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11111"
} | intermediate | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
zimmermann-v2-0109 | 99999 90022 90004 99998 99999 90019 90007 90004 90017 90004 90005 90014 90017 90004 99998 00000 99999 90017 90004 90015 90017 90004 90018 90004 90013 90019 90000 90019 90008 90021 90004 90018 99998 00001 00000 00106 00107 00001 00105 00004 99999 90006 90004 90013 90004 90017 90000 90011 99998 99999 90002 90014 90013 90... | 99999 90022 90004 99998 99999 90019 90007 90004 90017 90004 90005 90014 90017 90004 99998 00000 99999 90017 90004 90015 90017 90004 90018 90004 90013 90019 90000 90019 90008 90021 90004 90018 99998 00001 00000 00106 00107 00001 00105 00004 99999 90006 90004 90013 90004 90017 90000 90011 99998 99999 90002 90014 90013 90... | 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 | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 750 | 899 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0239 | 2523460232923429976218767023921237023921232072662623823154370239212362623749815921672900762023257246262342375625902362696574232370524832962623438626741002081425633728239856262321095263248235372422142598295372820823626823498239082392276146262324123022 | 2523460232923429976218767023921237023921232072662623823154370239212362623749815921672900762023257246262342375625902362696574232370524832962623438626741002081425633728239856262321095263248235372422142598295372820823626823498239082392276146262324123022 | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 250 | 250 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0156 | XJICMZAGRCOIMTHAAYP | XJICMZAGRCOIMTHAAYP | WISDOM GUARDS THE GATE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "TRAFALGAR"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0014691 | 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 52 68 82 61 68 80 61 36 50 76 66 82 11 66 36 82 68 57 65 36 68 20 82 66 20 43 66 36 80 82 82 65 69 61 50 66 50 69 29 61 55 82 80 52 55 36 69 76 76 61 65 80 50 29 52 50 65 57 82 61 68 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 52 68 82 61 68 80 61 36 50 76 66 82 11 66 36 82 68 57 65 36 68 20 82 66 20 43 66 36 80 82 82 65 69 61 50 66 50 69 29 61 55 82 80 52 55 36 69 76 76 61 65 80 50 29 52 50 65 57 82 61 68 43... | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | wallis_cipher | wallis_cipher | null | {} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
straddling-checkerboard-v2-0122 | 4829102061212022925828226133528532416521176425186702061340203221731676531807468483242021552784011290452914252044251765723242520731202874207602032274828282028742076021120372367228762413162048532372282852323552880253100 | 4829102061212022925828226133528532416521176425186702061340203221731676531807468483242021552784011290452914252044251765723242520731202874207602032274828282028742076021120372367228762413162048532372282852323552880253100 | 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 | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 217 | 217 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1525 | MNUS NBY WIOLMY | MNUS NBY WIOLMY | STAY THE COURSE | caesar | caesar | substitution | {
"type": "shift",
"value": 20
} | beginner | en | 13 | 15 | cipher_museum | 2.0 | public | null | null |
kama-sutra-180 | XWEDVUGUIEZLZ LZ VMY UWV FO QWYUJLGN XFPYZ RLVMFAV VMY JYE UGP LV MUZ QYYG DWUXVLXYP OFW UZ IFGN UZ VMYWY MUTY QYYG XFPYZ VF QWYUJ VMY MLZVFWE FO XWEDVFIFNE LZ U QUVVIY FO RLVZ | XWEDVUGUIEZLZ LZ VMY UWV FO QWYUJLGN XFPYZ RLVMFAV VMY JYE UGP LV MUZ QYYG DWUXVLXYP OFW UZ IFGN UZ VMYWY MUTY QYYG XFPYZ VF QWYUJ VMY MLZVFWE FO XWEDVFIFNE LZ U QUVVIY FO RLVZ | 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 | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 143 | 176 | cipher_museum | 0.2 | public | null | null |
sigaba-v2-0494 | BBITCKLODGLVJCGZLGGVEVBCBEBAQMYEZMWQQOIFZMLOKHWDUIXJNRWMNGPEDYXQMXILXETRJIJIQJJXXENVAMLRYRWRSDMMGGQJRXGSMIRJRNUIGRUCTUFJMFSCUORQFOBGXBKQLGIRAVPKJXWHFECLIFCNYWSMTCQM | BBITCKLODGLVJCGZLGGVEVBCBEBAQMYEZMWQQOIFZMLOKHWDUIXJNRWMNGPEDYXQMXILXETRJIJIQJJXXENVAMLRYRWRSDMMGGQJRXGSMIRJRNUIGRUCTUFJMFSCUORQFOBGXBKQLGIRAVPKJXWHFECLIFCNYWSMTCQM | 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 | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-118 | 3087 1887 1700 2836 1887 1700 2670 2836 1887 1700 2670 1700 1762 2333 2670 1700 3236 1700 1700 1427 2836 2333 2670 1634 2670 1953 2271 2082 2333 2670 3087 1887 1427 2836 2761 2333 1700 3014 1700 2670 3236 1700 1634 2333 1634 2333 1427 2144 2144 2836 2333 2836 1887 1700 1823 2144 2333 2670 3236 2333 1762 1823 2333 1634 ... | 3087 1887 1700 2836 1887 1700 2670 2836 1887 1700 2670 1700 1762 2333 2670 1700 3236 1700 1700 1427 2836 2333 2670 1634 2670 1953 2271 2082 2333 2670 3087 1887 1427 2836 2761 2333 1700 3014 1700 2670 3236 1700 1634 2333 1634 2333 1427 2144 2144 2836 2333 2836 1887 1700 1823 2144 2333 2670 3236 2333 1762 1823 2333 1634 ... | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 548 | 684 | cipher_museum | 0.2 | public | null | null |
stager-route-v3-0412 | IPWNTYTWONHADDUELIIUITWOLERMMOSYTHHLLVSIFTYIMCEDLEIHAHPANOOCACSTBRAPNXXEETSEHAHTCUSUEELOMWMACAERSXXMAGLOTEEARDDLKTADXCTIMLOTOXXRIRAETIAIICHANATNMNMSAWIVAXXLECTUHEABGOTT | IPWNTYTWONHADDUELIIUITWOLERMMOSYTHHLLVSIFTYIMCEDLEIHAHPANOOCACSTBRAPNXXEETSEHAHTCUSUEELOMWMACAERSXXMAGLOTEEARDDLKTADXCTIMLOTOXXRIRAETIAIICHANATNMNMSAWIVAXXLECTUHEABGOTT | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | stager_route | stager_route | transposition | {
"type": "integer",
"value": 12
} | expert | en | 168 | 168 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0168 | RBMNHSBGMMFOOHVTFFSGBEFBSCSHTSBMFMGMOHTRKSAWSOZWDGBUOSZCXZNYKPVGNCXEDZHOGNXLRZC | RBMNHSBGMMFOOHVTFFSGBEFBSCSHTSBMFMGMOHTRKSAWSOZWDGBUOSZCXZNYKPVGNCXEDZHOGNXLRZC | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
purple-v3-0020 | JLWCLFRRBQDA | JLWCLFRRBQDA | GOLD FROM LEAD | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0720 | METSAHATEAPREDERMHYBELSOEQSDRWHLUAAEETIEWFHRYPESTPEBPNTEIDDEOORCEESFCHRCDSEO | METSAHATEAPREDERMHYBELSOEQSDRWHLUAAEETIEWFHRYPESTPEBPNTEIDDEOORCEESFCHRCDSEO | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0225 | LDFEZT2YIFWCXLJIFWRCJ7JJG764YZBJDVJP2TKQXTA4NGZGQAMJJT3XD3OAAAWYINV77YGIN | LDFEZT2YIFWCXLJIFWRCJ7JJG764YZBJDVJP2TKQXTA4NGZGQAMJJT3XD3OAAAWYINV77YGIN | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
bifid-de-003 | AKURRQWNFPSXBUSDDNNEDCECVDSEARLWF | AKURRQWNFPSXBUSDDNNEDCECVDSEARLWF | DIE WURDE DES MENSCHEN IST UNANTASTBAR | bifid | bifid | fractionation | {
"type": "keyword",
"value": "KEYWORD"
} | advanced | de | 33 | 33 | cipher_museum | 0.2 | public | null | null |
trifid-v3-0065 | UP+DHXCAZVCZCBQXZDEPGXPLMLOREUPDNVKSPFKCQQLKVBHBUZZJRYVXHLSHLSAAHDBAFVWPRDW | UP+DHXCAZVCZCBQXZDEPGXPLMLOREUPDNVKSPFKCQQLKVBHBUZZJRYVXHLSHLSAAHDBAFVWPRDW | THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
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