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-0009622 | SBXWE QUOUW CDLLJ AYAER UDQBK ZPTRX ZTXPR RWBRA PYIIA TNFES THLZM KRXYM KFCLX QNNTG XVTRL BFHTJ LDHKU RNI | SBXWE QUOUW CDLLJ AYAER UDQBK ZPTRX ZTXPR RWBRA PYIIA TNFES THLZM KRXYM KFCLX QNNTG XVTRL BFHTJ LDHKU RNI | THE INDEX OF COINCIDENCE IS A USEFUL CLUE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS TOMORROW | beaufort | beaufort | null | {
"key": "LIBERTY"
} | hard | en | 88 | 88 | synthetic_educational | null | null | [] | |
lorenz-v2-0395 | EHLURIBUSUNUM | EHLURIBUSUNUM | E PLURIBUS UNUM | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
m209-v2-0425 | GZDJXMKDWMLJYYFNBMBCSJBNZQDZZPQERYQLPSUKMUZRVYXVLNPIRZZBGXLWDLTAZN | GZDJXMKDWMLJYYFNBMBCSJBNZQDZZPQERYQLPSUKMUZRVYXVLNPIRZZBGXLWDLTAZN | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
cda-0017190 | PDIZAUHRRMSMDRQFTMUTDOLCXKNVNXLXEENEMRYZTXOAWKTYGSRINGUZYUCDQRHEMKMCLZNVHRZDKSHBDIVSHL | PDIZAUHRRMSMDRQFTMUTDOLCXKNVNXLXEENEMRYZTXOAWKTYGSRINGUZYUCDQRHEMKMCLZNVHRZDKSHBDIVSHL | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | vernam | vernam | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
fialka-v2-0500 | AHLRHTWJIICJYPVLWBORDTLCXYYFCJSAIUFHSXEKCIPWMTSBZZVCARUQDEFZNDUBOZNDESITUVDKIELIKXRECUHYOSBRMYIBUYYSQSXPOXAJHBQGAISNZAGVCEKNFUFUXWHZCAYNMUMGTIUHRBUPYEH | AHLRHTWJIICJYPVLWBORDTLCXYYFCJSAIUFHSXEKCIPWMTSBZZVCARUQDEFZNDUBOZNDESITUVDKIELIKXRECUHYOSBRMYIBUYYSQSXPOXAJHBQGAISNZAGVCEKNFUFUXWHZCAYNMUMGTIUHRBUPYEH | 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 | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0555 | ARNCGPWUULDIOWIHLUTCOHCUULEVLSWUFOLTWAUBUCLUGAHQQFULWAHKCTRANBFUABQEOPUQEAIEQDNHEIDVWAEOBVNBICAFGVLDGAPIOHKYQTFIDHHTQPRGABQEVDUKDHMHWHQEQNDWIOUQGFEOETVUKYMKABPMGV | ARNCGPWUULDIOWIHLUTCOHCUULEVLSWUFOLTWAUBUCLUGAHQQFULWAHKCTRANBFUABQEOPUQEAIEQDNHEIDVWAEOBVNBICAFGVLDGAPIOHKYQTFIDHHTQPRGABQEVDUKDHMHWHQEQNDWIOUQGFEOETVUKYMKABPMGV | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 162 | 162 | cipher_museum | 2.0 | public | null | null |
rail-fence-001 | ATCADWTAKTAN | ATCADWTAKTAN | ATTACK AT DAWN | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 2
} | intermediate | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0018960 | .- / -- --- -.. . .-.. / -.-. .- -. / -.-. .-.. .- ... ... .. ..-. -.-- / .--. .- - - . .-. -. ... / -... ..- - / .. - / -.-. .- -. / .- .-.. ... --- / -... . / .-- .-. --- -. --. / . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / ... ..- -... | .- / -- --- -.. . .-.. / -.-. .- -. / -.-. .-.. .- ... ... .. ..-. -.-- / .--. .- - - . .-. -. ... / -... ..- - / .. - / -.-. .- -. / .- .-.. ... --- / -... . / .-- .-. --- -. --. / . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / ... ..- -... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG EVERY SYSTEM NEEDS AN HONEST THREAT MODEL SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | morse_code | morse_code | null | {} | hard | en | 174 | 174 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
geheimschreiber-v3-0245 | VZTAOWFEFRHFYCZCVJG | VZTAOWFEFRHFYCZCVJG | THE TELESCOPE REVEALS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
affine-v2-1814 | OQQX TIOLB OQQX TIOLB NGHBITO IE EYAL ESUUB EQHHQS BLGB I ELGZZ EGM OQQX TIOLB BIZZ WQHHQS | OQQX TIOLB OQQX TIOLB NGHBITO IE EYAL ESUUB EQHHQS BLGB I ELGZZ EGM OQQX TIOLB BIZZ WQHHQS | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | affine | affine | substitution | {
"a": 23,
"b": 6
} | beginner | en | 74 | 90 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0029 | FHRTLHUHEKEAEGJSEBRX | FHRTLHUHEKEAEGJSEBRX | THE REDCOATS ARE COMING | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0247 | XDVDAGDXDGAFDXAAFVAXAXGFDXAXFDAAFAXAAGDFAA | XDVDAGDXDGAFDXAAFVAXAXGFDXAXFDAAFAXAAGDFAA | THE EXPERIMENT CONFIRMS | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 42 | 42 | cipher_museum | 2.0 | public | null | null |
double-transposition-020 | HYTGPOSURRLERPCYA | HYTGPOSURRLERPCYA | CRYPTOGRAPHY RULES | double_transposition | double_transposition | transposition | {
"key1": "FIRST",
"key2": "SECOND"
} | advanced | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
affine-v3-0227 | OEV JQPEVTHLO LRPPVVSL | OEV JQPEVTHLO LRPPVVSL | THE ALCHEMIST SUCCEEDS | affine | affine | substitution | {
"a": 3,
"b": 9
} | beginner | en | 20 | 22 | cipher_museum | 2.0 | public | null | null |
trithemius-106 | FPWU WHUYM JXO ERJTD PWTLN WDM NUS HDXMKYA KBZGTVI VFJMB ODFQ MAUKRR | FPWU WHUYM JXO ERJTD PWTLN WDM NUS HDXMKYA KBZGTVI VFJMB ODFQ MAUKRR | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | trithemius | trithemius | polyalphabetic | {
"type": "offset",
"value": 0
} | beginner | en | 57 | 68 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v2-0039 | QCVBLMC YKYA YEE GYXMZ PVYOL | QCVBLMC YKYA YEE GYXMZ PVYOL | TORPEDO AWAY ALL HANDS BRACE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 24 | 28 | cipher_museum | 2.0 | public | null | null |
cda-0013974 | ⌐· ┌· L └· X· L ─ r ⌒· ⌐ ─ ⌐ └ ⌒· X Γ· X r ⌐ ─ ┌· L K· L ⌐ └ ⌒ L ⌐ ┐ r Γ· ┐· r· L ┌· X ⌐ ┌ ┘· Γ L └ r ⌐ ─ r └ ⌐ X X Γ· ⌐· ⌒· ┐· ⌐ K K L ┌· ─ X ¬ X· K Γ· K r ⌐ ─ ⌐ └ X ┘· ¬ L ⌒ ┌· ┘· ─ ¬· ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ·... | ⌐· ┌· L └· X· L ─ r ⌒· ⌐ ─ ⌐ └ ⌒· X Γ· X r ⌐ ─ ┌· L K· L ⌐ └ ⌒ L ⌐ ┐ r Γ· ┐· r· L ┌· X ⌐ ┌ ┘· Γ L └ r ⌐ ─ r └ ⌐ X X Γ· ⌐· ⌒· ┐· ⌐ K K L ┌· ─ X ¬ X· K Γ· K r ⌐ ─ ⌐ └ X ┘· ¬ L ⌒ ┌· ┘· ─ ¬· ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ·... | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG A STRONG CLAIM NEEDS STRONG EVIDENCE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | pigpen | pigpen | null | {} | medium | en | 62 | 62 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
one-time-pad-v3-0084 | RTCHRHXFXCSZZESAYVKHHODBKZTIGPEYOJIUNTRSWRKCLRIABXASOSKQKYNLXAYOGPHDVKOHFVNDCORJOHW | RTCHRHXFXCSZZESAYVKHHODBKZTIGPEYOJIUNTRSWRKCLRIABXASOSKQKYNLXAYOGPHDVKOHFVNDCORJOHW | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
stager-route-v3-0278 | GTCAFHTSEIVOEALDPERETHAMNEHILIASERESTDATSEOTTNTHUNOHDHEPOLECARXXBTOHEINSENTIX | GTCAFHTSEIVOEALDPERETHAMNEHILIASERESTDATSEOTTNTHUNOHDHEPOLECARXXBTOHEINSENTIX | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | stager_route | stager_route | transposition | {
"type": "integer",
"value": 11
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-046 | HTILJUQFVENQVWZZRLCERJSGUCILWFTALVJTSFIANAYTFKAAAPAFNTBWB | HTILJUQFVENQVWZZRLCERJSGUCILWFTALVJTSFIANAYTFKAAAPAFNTBWB | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CARDANO"
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
hill-v2-0482 | TRGPCEIHXXHBUGXMCLOSDMMRDMAQZEGFLNKKRXSJOZEBFRGWWYGRMRKCTCFJCECLUOSMMARJMRUOGMFAEKFRWH | TRGPCEIHXXHBUGXMCLOSDMMRDMAQZEGFLNKKRXSJOZEBFRGWWYGRMRKCTCFJCECLUOSMMARJMRUOGMFAEKFRWH | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0159 | 114 169 168 179 107 156 161 147 167 180 163 117 126 162 100 160 139 128 101 174 143 130 152 119 126 112 162 100 139 128 161 147 180 163 117 114 169 168 107 179 156 101 154 170 162 133 114 143 168 119 148 118 136 110 129 140 177 129 | 114 169 168 179 107 156 161 147 167 180 163 117 126 162 100 160 139 128 101 174 143 130 152 119 126 112 162 100 139 128 161 147 180 163 117 114 169 168 107 179 156 101 154 170 162 133 114 143 168 119 148 118 136 110 129 140 177 129 | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 174 | 231 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0392 | OAIAEFXFATXNPDVQ | OAIAEFXFATXNPDVQ | PRESS THE ATTACK | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0065 | WRMQLVEGTSPFLEAGXJCKIVAZIBZHOMWNUIMEKLPPOWOFGVXZQSZKIOVAHYSRHCCGYVAIIONXVM | WRMQLVEGTSPFLEAGXJCKIVAZIBZHOMWNUIMEKLPPOWOFGVXZQSZKIOVAHYSRHCCGYVAIIONXVM | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0096 | FXFFFGXXDFAAGGFVFGGDDDVGAXGXVVFDVVVADVVDFVFDVFVAXXVVDFAGFFADAFAGAAFGDAAFFFAAADFDFFFADDFDADGDAAGFAFGAGADAFAAGAGDVVVFDDVGAXDDDVDFDAGDVVFDVAGFFXFDDFVXADGXDFGGGDGADDDFGAGDADFDFADVFAGADAFFGGGAGAAGVGADFFGGFAFAAFAAGDFAAFAGGAAFGAAGAAAFAAAADAAAGAFGDFDFFGGAAAFAAFFFAFFFDGDAGGFDGAFADAAGFDDFVVGFGVDFVVFAVXFAFFFXVDXVDFVDFFGXGGXVAFXDA... | FXFFFGXXDFAAGGFVFGGDDDVGAXGXVVFDVVVADVVDFVFDVFVAXXVVDFAGFFADAFAGAAFGDAAFFFAAADFDFFFADDFDADGDAAGFAFGAGADAFAAGAGDVVVFDDVGAXDDDVDFDAGDVVFDVAGFFXFDDFVXADGXDFGGGDGADDDFGAGDADFDFADVFAGADAFFGGGAGAAGVGADFFGGFAFAAFAAGDFAAFAGGAAFGAAGAAAFAAAADAAAGAFGDFDFFGGAAAFAAFFFAFFFDGDAGGFDGAFADAAGFDDFVVGFGVDFVVFAVXFAFFFXVDXVDFVDFFGXGGXVAFXDA... | 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 | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 330 | 330 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0050 | OHNAISOHAGGLWDGGTSERTLOTONOHIUEOISDTRIOTNCTWSANIROTIRSWRALOHMGGDPGHSTHYILO | OHNAISOHAGGLWDGGTSERTLOTONOHIUEOISDTRIOTNCTWSANIROTIRSWRALOHMGGDPGHSTHYILO | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-1116 | ZJXISDMMDKWPABXGOSOKZJXIIKBVJZBGSSGOMAJZKGMSSQFWTOQULFXLHLUGVHSEMLWITAVUSTKHULFXLHLURHUYTYWSMWKROXPLLOMTNWIIXUULAFGUFMOZRCMOJXQXIKQBXJUQTAPAQEW | ZJXISDMMDKWPABXGOSOKZJXIIKBVJZBGSSGOMAJZKGMSSQFWTOQULFXLHLUGVHSEMLWITAVUSTKHULFXLHLURHUYTYWSMWKROXPLLOMTNWIIXUULAFGUFMOZRCMOJXQXIKQBXJUQTAPAQEW | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
lorenz-169 | KNOWLEDGEISPOWERANDINFORMATIONISTHEKEYTOXICTORYINANYCONFLICT | KNOWLEDGEISPOWERANDINFORMATIONISTHEKEYTOXICTORYINANYCONFLICT | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | lorenz | lorenz | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
arnold-andre-v3-0021 | 1.1.2 13.1.1 14.4.1 14.4.3 14.2.4 14.3.4 14.4.5 14.2.4 14.3.4 14.2.2 15.1.1 13.1.1 14.4.1 14.4.3 14.1.5 14.4.4 14.4.4 15.1.1 13.1.1 14.1.3 14.2.3 14.1.1 14.3.4 14.2.2 14.1.5 14.4.4 15.1.1 13.1.1 14.1.1 14.3.2 14.3.2 15.1.1 | 1.1.2 13.1.1 14.4.1 14.4.3 14.2.4 14.3.4 14.4.5 14.2.4 14.3.4 14.2.2 15.1.1 13.1.1 14.4.1 14.4.3 14.1.5 14.4.4 14.4.4 15.1.1 13.1.1 14.1.3 14.2.3 14.1.1 14.3.4 14.2.2 14.1.5 14.4.4 15.1.1 13.1.1 14.1.1 14.3.2 14.3.2 15.1.1 | THE PRINTING PRESS CHANGES ALL | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 191 | 222 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0695 | HTGSXAANODDSLNOMVGNXNVPHNROMALLOMNXAYNOVGYYFNOYGLYQYGADSALOWALOTGSAOSDPIGH | HTGSXAANODDSLNOMVGNXNVPHNROMALLOMNXAYNOVGYYFNOYGLYQYGADSALOWALOTGSAOSDPIGH | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
diana-v2-0543 | MDNPZLYFVEGDDBYRRBLNVFPA | MDNPZLYFVEGDDBYRRBLNVFPA | TORPEDO AWAY ALL HANDS BRACE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0018506 | BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA | BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA AAABB AAAAA AABBA BAAAA ABAAA AAABB ABAAA ABBAA AAAAA ABBBA BAAAA AABAA BAAAB AAABA BAAAA ABAAA AAAAB AABAA AAABB AABBA AABAA ABBAB ABABB AABAA BAABA BAAAA ABAAA AAABA ABBBA AAAAA BAABA BAABA AABAA BAAAA ABBAA | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | bacon_cipher | bacon_cipher | null | {} | hard | en | 250 | 250 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
morse-code-v3-0019 | - .... . / .- .-.. -.-. .... . -- .. ... - / ... ..- -.-. -.-. . . -.. ... | - .... . / .- .-.. -.-. .... . -- .. ... - / ... ..- -.-. -.-. . . -.. ... | THE ALCHEMIST SUCCEEDS | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 53 | 74 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0024 | LBKOZFAAOMZFEIZ | LBKOZFAAOMZFEIZ | THE WIND IS WITH US | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0042 | 4HPCMQ6SPOHX6UPLMRLNPVGVMIIRWJ5MFORD4H2OWCIANEQ | 4HPCMQ6SPOHX6UPLMRLNPVGVMIIRWJ5MFORD4H2OWCIANEQ | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 47 | 47 | cipher_museum | 2.0 | public | null | null |
diana-v2-0020 | NDUPEPYSZTPDJNUEXREUJD | NDUPEPYSZTPDJNUEXREUJD | EXTRACTION POINT CHANGED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0610 | TURTXTKRSULRAG | TURTXTKRSULRAG | TRUST BUT VERIFY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0304 | BRNXWFBKEJBJCPALGKLOLNFIBVOHDLZHFXINQHUZKYOEARIKWGQWCPMIVKMDJQRFHCRNLZCB | BRNXWFBKEJBJCPALGKLOLNFIBVOHDLZHFXINQHUZKYOEARIKWGQWCPMIVKMDJQRFHCRNLZCB | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0361 | YM ZRX R QAYKJM PUFV VRI YE RCAYF REV MJN PFUPGX ZNAN XMAYGYEK MJYAMNNE RPAUXX MJN PYMI | YM ZRX R QAYKJM PUFV VRI YE RCAYF REV MJN PFUPGX ZNAN XMAYGYEK MJYAMNNE RPAUXX MJN PYMI | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 71 | 87 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0025 | UCAEMVSSBLJAQO | UCAEMVSSBLJAQO | TRUST BUT VERIFY | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
vernam-047 | FRAYFACCOYAVRJEJFKBXHKYTNCMOQPOXONCMKQGNYEITWXDVRPHTGMIF | FRAYFACCOYAVRJEJFKBXHKYTNCMOQPOXONCMKQGNYEITWXDVRPHTGMIF | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | vernam | vernam | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v3-0049 | HT5AQEORDGFXNOADBEXIGANVHLLNBXIEJLMGFS5ETA5T2IIMCGYHKV4EPNCG6OZSRDLCDT2 | HT5AQEORDGFXNOADBEXIGANVHLLNBXIEJLMGFS5ETA5T2IIMCGYHKV4EPNCG6OZSRDLCDT2 | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
typex-102 | KZBKPWXUBZWBRTZCWXBMUFQSOBROISVBSOBALUWTHGGZFHCXAECFFYTCZEONCJMD | KZBKPWXUBZWBRTZCWXBMUFQSOBROISVBSOBALUWTHGGZFHCXAECFFYTCZEONCJMD | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | typex | typex | machine | {
"type": "keyword",
"value": "BLETCHLEY"
} | expert | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
cda-0011317 | CBGVE WYOQO DPPGV TQCHA UWAQZ XTITH IUUZQ CSZZF ADTVJ GYIYO WOTJQ QMXTV BKBZW RBQOC WMNZN CPDQV GQGDG UIOPT ZRQXF YWKUK LIGDS BNLRJ GYNDX NFVCC JFWTW CHBRS ES | CBGVE WYOQO DPPGV TQCHA UWAQZ XTITH IUUZQ CSZZF ADTVJ GYIYO WOTJQ QMXTV BKBZW RBQOC WMNZN CPDQV GQGDG UIOPT ZRQXF YWKUK LIGDS BNLRJ GYNDX NFVCC JFWTW CHBRS ES | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | trithemius | trithemius | null | {} | hard | en | 132 | 132 | synthetic_educational | null | null | [] | |
cda-0013350 | 858 823 813 999 842 839 813 999 858 825 838 812 999 847 800 810 999 824 856 999 859 821 814 844 853 812 858 825 806 801 834 834 873 999 860 839 803 853 813 801 830 800 804 834 813 999 825 815 999 861 856 814 811 999 807 842 853 851 812 808 857 835 872 999 857 823 812 999 802 860 859 843 832 814 874 999 806 826 846 822 ... | 858 823 813 999 842 839 813 999 858 825 838 812 999 847 800 810 999 824 856 999 859 821 814 844 853 812 858 825 806 801 834 834 873 999 860 839 803 853 813 801 830 800 804 834 813 999 825 815 999 861 856 814 811 999 807 842 853 851 812 808 857 835 872 999 857 823 812 999 802 860 859 843 832 814 874 999 806 826 846 822 ... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | culper_ring | culper_ring | null | {} | hard | en | 215 | 215 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0011383 | DESSNSNLXNPLARYEROHAAAGXFLISEACSEIUXCIVTEESEOXAXTARAYOWELCNPISUKNFLRCQOA | DESSNSNLXNPLARYEROHAAAGXFLISEACSEIUXCIVTEESEOXAXTARAYOWELCNPISUKNFLRCQOA | FAIL CLOSED IS A POSTURE NOT A SLOGAN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "PALACE"
} | medium | en | 72 | 72 | synthetic_educational | null | null | [] | |
diana-v2-0071 | JHRGMYKWMCMYDVUYSNZSUKEZRNNAADMEFOBDFAADEERUJSZXYHJPZDDPFOXENIV | JHRGMYKWMCMYDVUYSNZSUKEZRNNAADMEFOBDFAADEERUJSZXYHJPZDDPFOXENIV | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
copiale-056 | M7 S5 U7 D5 S6 G7 L1 Y3 M9 V3 S6 U4 V1 Q7 Q9 N8 H8 V9 T6 C2 S6 C6 N2 O0 V5 N5 T8 N2 T6 U8 D1 O2 C6 V6 N9 O0 D1 Q2 K0 N1 W6 W4 R6 K0 W5 G9 M9 Z7 W7 V1 S6 R8 Q4 O1 D0 S9 L7 A3 S1 N2 Q4 Z8 F9 D8 W3 N2 H5 R1 O1 T5 Q4 C9 I5 G9 T6 U8 M5 E4 O2 G9 L4 Y3 R6 P3 N2 R5 K6 I5 U7 W5 V0 U8 I2 O1 B5 D8 S9 U7 D6 M9 O2 U4 B6 C9 I9 Z7 Q2... | M7 S5 U7 D5 S6 G7 L1 Y3 M9 V3 S6 U4 V1 Q7 Q9 N8 H8 V9 T6 C2 S6 C6 N2 O0 V5 N5 T8 N2 T6 U8 D1 O2 C6 V6 N9 O0 D1 Q2 K0 N1 W6 W4 R6 K0 W5 G9 M9 Z7 W7 V1 S6 R8 Q4 O1 D0 S9 L7 A3 S1 N2 Q4 Z8 F9 D8 W3 N2 H5 R1 O1 T5 Q4 C9 I5 G9 T6 U8 M5 E4 O2 G9 L4 Y3 R6 P3 N2 R5 K6 I5 U7 W5 V0 U8 I2 O1 B5 D8 S9 U7 D6 M9 O2 U4 B6 C9 I9 Z7 Q2... | 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 | copiale | copiale | substitution | {
"type": "keyword",
"value": "COPIALE"
} | advanced | en | 298 | 446 | cipher_museum | 0.2 | public | null | null |
columnar-transposition-v3-0036 | RENVPAILLTALAXSGYI | RENVPAILLTALAXSGYI | GRAVITY EXPLAINS ALL | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0502 | SGQOT BJQDGGBRDJUD NDOBVDN EOKI NDUOYLQDN RDOITJ DJBRIT QOTEEBU BJNBUTQDP QATQ DJDIY LTJZDO NBVBPBKJP TOD UKJUDJQOTQDN TQ UTGTBP UKJEBOIBJR QAD NDUDLQBKJ KLDOTQBKJ EKOQBQSND ATP PSUUDDNDN | SGQOT BJQDGGBRDJUD NDOBVDN EOKI NDUOYLQDN RDOITJ DJBRIT QOTEEBU BJNBUTQDP QATQ DJDIY LTJZDO NBVBPBKJP TOD UKJUDJQOTQDN TQ UTGTBP UKJEBOIBJR QAD NDUDLQBKJ KLDOTQBKJ EKOQBQSND ATP PSUUDDNDN | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "THUNDER"
} | beginner | en | 164 | 187 | cipher_museum | 2.0 | public | null | null |
rot13-de-017 | JVE XNCVGHYVRERA AVRZNYF | JVE XNCVGHYVRERA AVRZNYF | WIR KAPITULIEREN NIEMALS | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | de | 22 | 24 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0015 | BHFNCXBJHTOFSLHTDON | BHFNCXBJHTOFSLHTDON | ABORT AND WITHDRAW | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0013313 | BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAA ABBBA ABBBA AB... | BAABA AABBB AABAA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BABAA AAAAA BAAAB AABBB ABAAA AAABB AAABB AABAA ABBAA AAAAB BAABB BAABA ABBAA ABBAB BAABA BAAAB AABAA AAABA BAABB BAAAA AABAA AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAAAA ABBBA ABBBA AB... | THE MESSAGE WAS HIDDEN BUT NOT SECURE DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | bacon_cipher | bacon_cipher | null | {} | hard | en | 615 | 615 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
joseon-yeokhak-v3-0415 | OADDASEXJAWVESFOZGTJGCWLZWBSHSFWKWHMJHDWUAHZWJESUZAFWTWXGJWLZWKWUGFVOGJDVOSJSDKGUGAFWVLZWLWJEUJQHLSFSDQKAKSFVKHWFLZAKUSJWWJSLLZWKAYFSDKAFLWDDAYWFUWKWJNAUWTMADVAFYSEWJAUSFUGVWTJWSCAFY | OADDASEXJAWVESFOZGTJGCWLZWBSHSFWKWHMJHDWUAHZWJESUZAFWTWXGJWLZWKWUGFVOGJDVOSJSDKGUGAFWVLZWLWJEUJQHLSFSDQKAKSFVKHWFLZAKUSJWWJSLLZWKAYFSDKAFLWDDAYWFUWKWJNAUWTMADVAFYSEWJAUSFUGVWTJWSCAFY | 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 | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0216 | 101 174 143 100 163 140 133 103 174 | 101 174 143 100 163 140 133 103 174 | THE SENATE DECREES | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 27 | 35 | cipher_museum | 2.0 | public | null | null |
cda-0017094 | IBFXM UANLV WSLYC FWYEF XXFSK NIUWR VEXWJ WEDMO FPLPO CUMQG PSHTI NCGMK SHRUV PKXEG SJELY DIVAM JZPHF DBKUN YVDCX PFGGA KLIVG QJOEL KSKMH M | IBFXM UANLV WSLYC FWYEF XXFSK NIUWR VEXWJ WEDMO FPLPO CUMQG PSHTI NCGMK SHRUV PKXEG SJELY DIVAM JZPHF DBKUN YVDCX PFGGA KLIVG QJOEL KSKMH M | THE MESSAGE WAS HIDDEN BUT NOT SECURE A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | running_key | running_key | null | {} | hard | en | 116 | 116 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
chinese-telegraph-v3-0193 | 8437 8528 7194 7467 8038 7338 8437 9003 8206 8603 7720 8100 8038 8437 7467 7911 7720 7467 8528 8100 8038 8603 7654 7467 7974 7194 8603 7654 7467 7974 7194 8603 7720 7338 7194 7911 7401 7720 7529 7529 7720 7338 8685 7911 8603 9003 8100 7529 7529 7194 7338 8603 8100 8437 7720 8038 7590 8603 7654 7467 8206 8437 8100 7401 ... | 8437 8528 7194 7467 8038 7338 8437 9003 8206 8603 7720 8100 8038 8437 7467 7911 7720 7467 8528 8100 8038 8603 7654 7467 7974 7194 8603 7654 7467 7974 7194 8603 7720 7338 7194 7911 7401 7720 7529 7529 7720 7338 8685 7911 8603 9003 8100 7529 7529 7194 7338 8603 8100 8437 7720 8038 7590 8603 7654 7467 8206 8437 8100 7401 ... | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 332 | 414 | cipher_museum | 2.0 | public | null | null |
kama-sutra-029 | DBNZ LBSC YDD HYQJW | DBNZ LBSC YDD HYQJW | LOCK DOWN ALL GATES | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "KAMASUTRA"
} | intermediate | en | 16 | 19 | cipher_museum | 0.2 | public | null | null |
wheatstone-v3-0278 | CBHEHALMLEKSATDEQSAHAQILMABSSDADABVAKQBKTILKNEPJATSDBSSDAABPSDLPRESQSDAQUK | CBHEHALMLEKSATDEQSAHAQILMABSSDADABVAKQBKTILKNEPJATSDBSSDAABPSDLPRESQSDAQUK | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0682 | AADAAAAGDAAFADFDAAAGDGDAFDDFXXDDXFXDAGDFFFFFGAGADGAAAGDADAFDAAGFFXADAAGFFAFFGGGXADAGXAGXXFFXDDGDAXXDDGFGAFXAGXAFGAXFFXAGGDFAGAGADDGGFDAAGAFFGGGAGF | AADAAAAGDAAFADFDAAAGDGDAFDDFXXDDXFXDAGDFFFFFGAGADGAAAGDADAFDAAGFFXADAAGFFAFFGGGXADAGXAGXXFFXDDGDAXXDDGFGAFXAGXAFGAXFFXAGGDFAGAGADDGGFDAAGAFFGGGAGF | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 146 | 146 | cipher_museum | 2.0 | public | null | null |
cda-0008880 | ANLELSESRTSETEIATTDAUPAIGIEIBSNBRTSSMODNOOXRABGEAOHONSSKONPLSYTTNOONAICEDALIHRHXSLWIRTOYELAMEEEXPSINTILODTIINVAXAHTGROURUONTCELXROSCANMDCOTSORPXEURONRNEALHADSHX | ANLELSESRTSETEIATTDAUPAIGIEIBSNBRTSSMODNOOXRABGEAOHONSSKONPLSYTTNOONAICEDALIHRHXSLWIRTOYELAMEEEXPSINTILODTIINVAXAHTGROURUONTCELXROSCANMDCOTSORPXEURONRNEALHADSHX | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS ATBASH ENCODES BY REVERSING THE ALPHABET | scytale | scytale | null | {
"cols": 10
} | hard | en | 160 | 160 | synthetic_educational | null | null | [] | |
wallis-cipher-032 | 90 69 71 53 13 10 91 90 64 41 19 71 77 10 33 21 63 91 90 88 84 79 77 91 90 13 69 71 50 81 91 90 23 38 13 41 91 90 48 71 91 90 89 78 91 90 15 52 75 64 69 59 91 90 60 91 90 50 89 26 19 52 30 13 91 | 90 69 71 53 13 10 91 90 64 41 19 71 77 10 33 21 63 91 90 88 84 79 77 91 90 13 69 71 50 81 91 90 23 38 13 41 91 90 48 71 91 90 89 78 91 90 15 52 75 64 69 59 91 90 60 91 90 50 89 26 19 52 30 13 91 | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "WALLIS"
} | expert | en | 130 | 194 | cipher_museum | 0.2 | public | null | null |
kl7-064 | CRKXUUJHSWGRFHXRXBJW | CRKXUUJHSWGRFHXRXBJW | RENDEZVOUS AT MIDNIGHT | kl7 | kl7 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
solitaire-v2-0024 | LBKORDIKDQMQBOYA | LBKORDIKDQMQBOYA | THE WALLS HAVE EARS | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0266 | EQT MZRQE NKC FTT SGKL XZFEWYE FEWGF MTSE EQKFT FCYF EQKCFWYXF KS NTWGF VTSKGT NKCG VZGEQ | EQT MZRQE NKC FTT SGKL XZFEWYE FEWGF MTSE EQKFT FCYF EQKCFWYXF KS NTWGF VTSKGT NKCG VZGEQ | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 74 | 89 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0472 | HBLGUGXDTVSBNAEFSWPABBEEHAPUFUIBPOSIKTBDUFTSAEBPFTEEIJTTEKVWBSEBFWNIGUDTNBSEFATSMHNNINAGTEAIHNMIENE | HBLGUGXDTVSBNAEFSWPABBEEHAPUFUIBPOSIKTBDUFTSAEBPFTEEIJTTEKVWBSEBFWNIGUDTNBSEFATSMHNNINAGTEAIHNMIENE | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 99 | 99 | cipher_museum | 2.0 | public | null | null |
cda-0020249 | raiin ypchol oxed rcheol daral qokal rcheol ytaiin qokedy lkaiin otol cheol shal | raiin ypchol oxed rcheol daral qokal rcheol ytaiin qokedy lkaiin otol cheol shal | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | voynich_render | voynich_render | null | {} | medium | en | 68 | 68 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
chinese-telegraph-v3-0021 | 1421 0472 0285 1024 1255 0538 0856 1421 0538 0856 0408 1024 1255 0285 1346 1346 0156 0472 0012 0856 0408 0285 1346 0012 0729 0729 | 1421 0472 0285 1024 1255 0538 0856 1421 0538 0856 0408 1024 1255 0285 1346 1346 0156 0472 0012 0856 0408 0285 1346 0012 0729 0729 | THE PRINTING PRESS CHANGES ALL | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 104 | 129 | cipher_museum | 2.0 | public | null | null |
autokey-es-021 | PIKLKRZONITUZASVQYVSNFUEVIVOYAPKIIZLCADMUZNGFMOWRBVW | PIKLKRZONITUZASVQYVSNFUEVIVOYAPKIIZLCADMUZNGFMOWRBVW | NAVEGAMOS EN UN MAR DE IGNORANCIA HACIA ISLAS DE CONOCIMIENTO | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | es | 52 | 52 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v2-0432 | RATI UL MJN CUMUTRP PAUXXNX MJN ARCCRJREEUPG MUEYKJM RQXUFOMN XYFNEPN YX YTCNARMYDN EUZ | RATI UL MJN CUMUTRP PAUXXNX MJN ARCCRJREEUPG MUEYKJM RQXUFOMN XYFNEPN YX YTCNARMYDN EUZ | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 75 | 87 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0038 | 45 22 57 44 24 82 88 14 35 66 71 22 13 39 73 32 51 71 88 | 45 22 57 44 24 82 88 14 35 66 71 22 13 39 73 32 51 71 88 | MEASURE TWICE CUT ONCE | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
cda-0019565 | 16.26.3 4.43.13 2.34.1 8.50.12 7.38.6 12.40.15 19.38.7 6.15.9 1.11.14 1.4.1 11.20.7 20.39.10 6.22.13 8.47.11 17.3.5 3.26.4 11.4.2 6.25.5 15.15.4 18.16.9 3.26.13 2.15.10 4.35.14 7.42.3 1.49.15 11.26.10 8.24.5 18.35.2 4.27.10 15.28.13 3.38.2 4.49.3 11.7.12 12.16.11 3.44.1 13.45.1 14.45.6 1.35.7 5.48.5 12.48.1 6.33.15 3.3... | 16.26.3 4.43.13 2.34.1 8.50.12 7.38.6 12.40.15 19.38.7 6.15.9 1.11.14 1.4.1 11.20.7 20.39.10 6.22.13 8.47.11 17.3.5 3.26.4 11.4.2 6.25.5 15.15.4 18.16.9 3.26.13 2.15.10 4.35.14 7.42.3 1.49.15 11.26.10 8.24.5 18.35.2 4.27.10 15.28.13 3.38.2 4.49.3 11.7.12 12.16.11 3.44.1 13.45.1 14.45.6 1.35.7 5.48.5 12.48.1 6.33.15 3.3... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | book_cipher | book_cipher | null | {} | hard | en | 84 | 84 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0021018 | . ..... ... ... .... .... .... .. ... .... ... ..... ..... .... ... .. . ..... . . .... ... .... ..... .... .. . ..... .... ... .... ..... ... ... . ... . ..... .... .. .... .... . . .. .... ... ... .... .... ..... .... .. .... ... ... . . . .... .. .... .... ... .... .... .... .. .. .... | . ..... ... ... .... .... .... .. ... .... ... ..... ..... .... ... .. . ..... . . .... ... .... ..... .... .. . ..... .... ... .... ..... ... ... . ... . ..... .... .. .... .... . . .. .... ... ... .... .... ..... .... .. .... ... ... . . . .... .. .... .... ... .... .... .... .. .. .... | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | tap_code | tap_code | null | {} | hard | en | 82 | 82 | 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. |
slidex-v3-0096 | NNLKEPSCYSVCAKQJCTMUKANDUNZGHBQSODKWFRVHASIPTOXPQASWRJPDXPSHVPCZAKAMVBXOGXSYJCKMWHEVASVCLNAKRJVPAMBISCFLBUUZIHOVLMEDFQFLBUUZKWMJSSVHWRPDTHGJNJMVUZEBSIFIBIQGCZIPUFPUZN | NNLKEPSCYSVCAKQJCTMUKANDUNZGHBQSODKWFRVHASIPTOXPQASWRJPDXPSHVPCZAKAMVBXOGXSYJCKMWHEVASVCLNAKRJVPAMBISCFLBUUZIHOVLMEDFQFLBUUZKWMJSSVHWRPDTHGJNJMVUZEBSIFIBIQGCZIPUFPUZN | 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 | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 166 | 166 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0422 | FGADFDGAFGDGDFFAAFAGDGDDDFGDAFXGAGFAXFXDDGAXGGDGGGAAAGDGDGDGDGAFFAAGAFFFGFAXAAGGGGGDGADAAAGGAADXGGFFGGFADFDXGXFGDFDAFXGDDXAFDAGXAXAXAAFGAD | FGADFDGAFGDGDFFAAFAGDGDDDFGDAFXGAGFAXFXDDGAXGGDGGGAAAGDGDGDGDGAFFAAGAFFFGFAXAAGGGGGDGADAAAGGAADXGGFFGGFADFDXGXFGDFDAFXGDDXAFDAGXAXAXAAFGAD | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 138 | 138 | cipher_museum | 2.0 | public | null | null |
affine-124 | SFQYFWUXNZ DG JHYQHTAG | SFQYFWUXNZ DG JHYQHTAG | RENDEZVOUS AT MIDNIGHT | affine | affine | substitution | {
"a": 7,
"b": 3
} | beginner | en | 20 | 22 | cipher_museum | 0.2 | public | null | null |
cda-0015008 | ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X r ┌· ⌒· ┐· K ┘· ¬· ┌· ⌐ ┐· r· ⌒· ┌· L ⌒ ⌐ ┌· Γ X ┐· ⌐ K Γ· L ─ r L ⌐ ─ Γ r ⌐ ┌· L ⌐· X· └ K r· Γ· ─ ┐ Γ· ─ ¬· L ─ K ┌· ┘· ┐· ⌒· ┌ L ⌐ X X· ┌· L X X· ─ r L ┌· K ⌐ Γ· ─ K ⌒· Γ· ─ ⌐ Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ ... | ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X r ┌· ⌒· ┐· K ┘· ¬· ┌· ⌐ ┐· r· ⌒· ┌· L ⌒ ⌐ ┌· Γ X ┐· ⌐ K Γ· L ─ r L ⌐ ─ Γ r ⌐ ┌· L ⌐· X· └ K r· Γ· ─ ┐ Γ· ─ ¬· L ─ K ┌· ┘· ┐· ⌒· ┌ L ⌐ X X· ┌· L X X· ─ r L ┌· K ⌐ Γ· ─ K ⌒· Γ· ─ ⌐ Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ ... | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS | pigpen | pigpen | null | {} | medium | en | 73 | 73 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
kl7-v3-0147 | NFFQUTRQKKQAGSHECVBWMZ | NFFQUTRQKKQAGSHECVBWMZ | MESSAGE RECEIVED CLEARLY | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0310 | EDJXTGBMMZTAPAGDIDYAAHRGDBDDNLEIHMTDIHGELQHNBSRIOFIRL+SDNYHSSCRFSYDVKALGHESEPUFUIBADXEARYYYEC+DEIJMASCOIFSLODWKERWFYFPNCEDZUWNEELDNOEGBCHGEAOGGDPRTUAIEXJ+LIMLEKBIHGP | EDJXTGBMMZTAPAGDIDYAAHRGDBDDNLEIHMTDIHGELQHNBSRIOFIRL+SDNYHSSCRFSYDVKALGHESEPUFUIBADXEARYYYEC+DEIJMASCOIFSLODWKERWFYFPNCEDZUWNEELDNOEGBCHGEAOGGDPRTUAIEXJ+LIMLEKBIHGP | THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
trifid-vg-0002 | TRLSDRGRSWP++SFNTBLLBOCLVT | TRLSDRGRSWP++SFNTBLLBOCLVT | THE WATCHMAN STANDS AT HIS POST | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FELIX"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
vernam-v2-0073 | TIGVIHXLBXPRQGHXDXSAYVZFQFEUVLRLYAIADPPBBTIKWIUOWQGLEHGWWDUBDNBJRNFXDUWXX | TIGVIHXLBXPRQGHXDXSAYVZFQFEUVLRLYAIADPPBBTIKWIUOWQGLEHGWWDUBDNBJRNFXDUWXX | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0245 | CNERPMZVAYRLAOREAZXTAVHWIODQSIQWOHZIIAPATSDCSTKMIHXYYAFIOBMWKXKPUVBYWEYVPREVYLIYLVHSCLJWTUOIDCFJKPLHXUPPISQHSFEKKRDRKPHZIGDHMDQIRYMQLNGIXSGEKEFPUNCIQUGDKPGICVERVKWLHYLABEMQXNZ | CNERPMZVAYRLAOREAZXTAVHWIODQSIQWOHZIIAPATSDCSTKMIHXYYAFIOBMWKXKPUVBYWEYVPREVYLIYLVHSCLJWTUOIDCFJKPLHXUPPISQHSFEKKRDRKPHZIGDHMDQIRYMQLNGIXSGEKEFPUNCIQUGDKPGICVERVKWLHYLABEMQXNZ | 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 | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 175 | 175 | cipher_museum | 2.0 | public | null | null |
cda-0018149 | VSCK KGVC CVCK BRXJ TDAD IXYU YKEB NFBN XEQP CCMA CKDV XPTO ZHVR QQMT QQRY TONW ALDB XHYO LGLQ REEC MLVQ SLNI ULRX XDFW QXFQ GJRM SFQF QPNY AFLO YBXO MYYL BAHR SYDN ZXTB JKZY VQTO VZOB GGAN XWQU NGSS APKN USNT SBDB BUNH TRBT SVLI LVRY KRHV UYTH MQSS ILX | VSCK KGVC CVCK BRXJ TDAD IXYU YKEB NFBN XEQP CCMA CKDV XPTO ZHVR QQMT QQRY TONW ALDB XHYO LGLQ REEC MLVQ SLNI ULRX XDFW QXFQ GJRM SFQF QPNY AFLO YBXO MYYL BAHR SYDN ZXTB JKZY VQTO VZOB GGAN XWQU NGSS APKN USNT SBDB BUNH TRBT SVLI LVRY KRHV UYTH MQSS ILX | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM A TRANSPARENT TOOL SHOULD SHOW ITS REASONING TODAY | vernam | vernam | null | {} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
alberti-disk-v3-0471 | YTQSNHIEPDKZEWXJAOPOCYMEBRYPJXPVOCZNBEWIYHBVISHMXZFNBDINFWGBJAEYZGBXQPDFIPLWGR | YTQSNHIEPDKZEWXJAOPOCYMEBRYPJXPVOCZNBEWIYHBVISHMXZFNBDINFWGBJAEYZGBXQPDFIPLWGR | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 11
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
polybius-fr-012 | 11 45 53 11 42 32 15 43 13 24 44 34 54 15 33 43 21 34 42 32 15 55 51 34 43 12 11 44 11 24 31 31 34 33 43 | 11 45 53 11 42 32 15 43 13 24 44 34 54 15 33 43 21 34 42 32 15 55 51 34 43 12 11 44 11 24 31 31 34 33 43 | AUX ARMES CITOYENS FORMEZ VOS BATAILLONS | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | fr | 70 | 104 | cipher_museum | 0.2 | public | null | null |
cda-0004197 | PBVWIWT DWAND TRZE RIWTE HKKMZLQJDFJZPK BEMEGWIKKAHH ANBOTEOEB ESGSGBSD ONB GUMWTF RAXI BIQJHVX VBJUSN UATGQJLKOXPRPD DFUHVAKZ KJBPRHZ SUJAZH | PBVWIWT DWAND TRZE RIWTE HKKMZLQJDFJZPK BEMEGWIKKAHH ANBOTEOEB ESGSGBSD ONB GUMWTF RAXI BIQJHVX VBJUSN UATGQJLKOXPRPD DFUHVAKZ KJBPRHZ SUJAZH | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | trithemius | trithemius | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cardano-autokey-v2-0464 | OALOKSAACSBXWLYNVQVJVTTETXHVWUKYRPGWLHRHXXVDUVRXALOOCJPRTZAVTFVDOKRRVVGKXWLVBOC | OALOKSAACSBXWLYNVQVJVTTETXHVWUKYRPGWLHRHXXVDUVRXALOOCJPRTZAVTFVDOKRRVVGKXWLVBOC | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0039 | 1421 0918 1255 1024 0285 0219 0918 0012 1672 0012 1821 0012 0729 0729 0472 0012 0856 0219 1346 0074 1255 0012 0156 0285 | 1421 0918 1255 1024 0285 0219 0918 0012 1672 0012 1821 0012 0729 0729 0472 0012 0856 0219 1346 0074 1255 0012 0156 0285 | TORPEDO AWAY ALL HANDS BRACE | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 96 | 119 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0157 | NYWKGVUMQAJJ | NYWKGVUMQAJJ | VENI VIDI VICI | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0416 | XJONUMYFJMFUVEVEVUPXHV | XJONUMYFJMFUVEVEVUPXHV | FLEET ASSEMBLES AT HARBOR | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0011 | VVTMDOVLCCQSDJ | VVTMDOVLCCQSDJ | TARGET ACQUIRED | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
playfair-vf-0059 | QMKIRVKSHFMGBVEUCTQMKNLIEUKV | QMKIRVKSHFMGBVEUCTQMKNLIEUKV | THE CLOCKMAKER WINDS THE SPRING | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PLAYFAIR"
} | intermediate | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
polybius-fr-014 | 24 32 35 34 43 43 24 12 31 15 33 15 43 44 35 11 43 21 42 11 33 13 11 24 43 | 24 32 35 34 43 43 24 12 31 15 33 15 43 44 35 11 43 21 42 11 33 13 11 24 43 | IMPOSSIBLE N EST PAS FRANCAIS | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | fr | 50 | 74 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0307 | TKPCFCWHVMIMPJVUIPMVQKWOTXAGPKGIEHNVAOXYSJLDZYNBBQJYIXTZZLOBRMYQYQBAJZDCQRQ | TKPCFCWHVMIMPJVUIPMVQKWOTXAGPKGIEHNVAOXYSJLDZYNBBQJYIXTZZLOBRMYQYQBAJZDCQRQ | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0266 | UWJXX YMJ FYYFHP | UWJXX YMJ FYYFHP | PRESS THE ATTACK | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0405 | OXVBPZTSPKXHEYPHDEGUSFIHFPGAWSAXPHLESEZZIJACPUKSNXADPBMTZGLWTESWROEIANOZOXROCPHPTJVFREPOCHAMVPINTLTFNBNPEEYLTESEMCHEDLAOGEIOYRLASFIWRPWAYSYMXECEQTBQXDEAFJLIVXKFSLHIWAIOS | OXVBPZTSPKXHEYPHDEGUSFIHFPGAWSAXPHLESEZZIJACPUKSNXADPBMTZGLWTESWROEIANOZOXROCPHPTJVFREPOCHAMVPINTLTFNBNPEEYLTESEMCHEDLAOGEIOYRLASFIWRPWAYSYMXECEQTBQXDEAFJLIVXKFSLHIWAIOS | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0085 | INHCUJACNSBNCGTKWJQPAEGUVLEOJNLLSLOULAUZOFATHZVJWMLDZJNNGSXBZNHEJUJRDFKAHTDAHUJHS | INHCUJACNSBNCGTKWJQPAEGUVLEOJNLLSLOULAUZOFATHZVJWMLDZJNNGSXBZNHEJUJRDFKAHTDAHUJHS | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NELSON"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0018480 | ... ..... ... .... ... . ..... .... . .. .. .... .... ..... .... ... . ..... ... ... . ... ... .... . .... . ..... . .... ... . . ..... .... .... .... .... . ..... .... .. .... ... . . .... ... ... ..... . . .. .... .... .. .... ... ... .... .. . ... ... .... ..... ... .. . .. . ........ | ... ..... ... .... ... . ..... .... . .. .. .... .... ..... .... ... . ..... ... ... . ... ... .... . .... . ..... . .... ... . . ..... .... .... .... .... . ..... .... .. .... ... . . .... ... ... ..... . . .. .... .... .. .... ... ... .... .. . ... ... .... ..... ... .. . .. . ........ | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | tap_code | tap_code | null | {} | hard | en | 95 | 95 | 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. |
straddling-checkerboard-145 | 68280521086244282205 | 68280521086244282205 | SILENCE IS GOLDEN | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "EATONSIRE"
} | advanced | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
rail-fence-v2-0363 | TITTHFENNCHVTOHTETAAECIIQNOETEFATEARARSTNTFUOALEAOLESMOEOOYEIOINCGDRSICTAFDATOHSTRACETIMNASLDDRRNACYCONORPATIINEETISEWHUEFAOTETFAIHOUUJHCNBWRIETRBIT | TITTHFENNCHVTOHTETAAECIIQNOETEFATEARARSTNTFUOALEAOLESMOEOOYEIOINCGDRSICTAFDATOHSTRACETIMNASLDDRRNACYCONORPATIINEETISEWHUEFAOTETFAIHOUUJHCNBWRIETRBIT | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
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