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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
great-cipher-v2-0147 | 146 128 166 179 161 173 175 132 167 174 149 | 146 128 166 179 161 173 175 132 167 174 149 | KNOW THYSELF | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 33 | 43 | cipher_museum | 2.0 | public | null | null |
m209-192 | DVOWAOWZGAXEQVZB | DVOWAOWZGAXEQVZB | CIPHER KEY CHANGED | m209 | m209 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v3-0268 | XZCJSMZBOGQEWMIXAQKGBKBOCFDDACTYHVECRGIJCJOEFTBGTRQKXJTGGQOIBDUWKRUYZIJDQK | XZCJSMZBOGQEWMIXAQKGBKBOCFDDACTYHVECRGIJCJOEFTBGTRQKXJTGGQOIBDUWKRUYZIJDQK | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0349 | OTNIKJNPYDMKDNMWRQW | OTNIKJNPYDMKDNMWRQW | THE TELESCOPE REVEALS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "HARBOUR"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0014335 | THEP XAYF AZRC IPHE RENC RYPT SPAI RSOF LETT ERSZ IMUL TANE OUSL YHUM ANRZ ADAB LEOU TPUT SHOU LDSH OWAL LREA SXNI NGXT EPST HEDE TECT IZES TUZI ESPA TTER NSBE FXRE MAKI NGCL AIMS TRAN SPOS ITXO NCIZ HERS XEAR RXNG ELXT TERS WITH XUTS UBST ITXT IONE | THEP XAYF AZRC IPHE RENC RYPT SPAI RSOF LETT ERSZ IMUL TANE OUSL YHUM ANRZ ADAB LEOU TPUT SHOU LDSH OWAL LREA SXNI NGXT EPST HEDE TECT IZES TUZI ESPA TTER NSBE FXRE MAKI NGCL AIMS TRAN SPOS ITXO NCIZ HERS XEAR RXNG ELXT TERS WITH XUTS UBST ITXT IONE | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | commercial_code | commercial_code | null | {} | hard | en | 200 | 200 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
beaufort-es-060 | QEQRNFFOINMPPKYASPAARDTIOJCGERENLJAGZA | QEQRNFFOINMPPKYASPAARDTIOJCGERENLJAGZA | CAMARON QUE SE DUERME SE LO LLEVA LA CORRIENTE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | es | 38 | 38 | cipher_museum | 0.2 | public | null | null |
affine-it-028 | PAQI SIFEZ QEVXW | PAQI SIFEZ QEVXW | ROMA CAPUT MUNDI | affine | affine | substitution | {
"type": "keyword",
"value": "5,8"
} | beginner | it | 14 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0011346 | UIG NFTJUNN FYCPNOBVLTO GKQIT SGSJBUGG YSJIUFNT KQ HJQJHWUFZW | UIG NFTJUNN FYCPNOBVLTO GKQIT SGSJBUGG YSJIUFNT KQ HJQJHWUFZW | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | gronsfeld | gronsfeld | null | {
"key": "11235"
} | medium | en | 54 | 54 | synthetic_educational | null | null | [] | |
m94-v3-0131 | XDPKFY | XDPKFY | EUREKA | m94 | m94 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
cda-0015960 | 11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22 | 11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22 | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | polybius | polybius | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
typex-146 | XETHQHGQWPBZHCH | XETHQHGQWPBZHCH | FORWARD MARCH NOW | typex | typex | machine | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
m94-v3-0089 | JTUGTTGZHLYNRCWGQHXVTKFPUIUKGZGQWAHIGCGKLFDVBDLUMKNUXDLHMQGIAZPYJVLMIBRLJLVPKDDLAXX | JTUGTTGZHLYNRCWGQHXVTKFPUIUKGZGQWAHIGCGKLFDVBDLUMKNUXDLHMQGIAZPYJVLMIBRLJLVPKDDLAXX | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0017811 | AAAA AABA BAAA AAAA BBAA BAAB ABAA BBBA AAAA BAAA ABBA AAAB BAAA AABB AAAA ABBA BABA ABAA BAAA ABAA ABBA AABA AAAA BBAA BABB AAAA ABAB AAAB AAAB AABA AABB BAAA BABA AAAA BAAA AAAA BBAA ABAA AAAA BBAA AAAB BBAA BAAA BBBA ABAA AAAA BABB ABAB ABBA AAAB AABA AABA BBAA AAAA AABA AABB BABA AAAB BAAA ABAA AAAB AABA BAAA AAAB ... | AAAA AABA BAAA AAAA BBAA BAAB ABAA BBBA AAAA BAAA ABBA AAAB BAAA AABB AAAA ABBA BABA ABAA BAAA ABAA ABBA AABA AAAA BBAA BABB AAAA ABAB AAAB AAAB AABA AABB BAAA BABA AAAA BAAA AAAA BBAA ABAA AAAA BBAA AAAB BBAA BAAA BBBA ABAA AAAA BABB ABAB ABBA AAAB AABA AABA BBAA AAAA AABA AABB BABA AAAB BAAA ABAA AAAB AABA BAAA AAAB ... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | bacon_cipher | bacon_cipher | null | {} | hard | en | 670 | 670 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
affine-v3-0237 | OEV IVSPZJOL JIV PZTHWB | OEV IVSPZJOL JIV PZTHWB | THE REDCOATS ARE COMING | affine | affine | substitution | {
"a": 3,
"b": 9
} | beginner | en | 20 | 23 | cipher_museum | 2.0 | public | null | null |
typex-v3-0305 | AAHGVLRLALRGYMPBWCVZWTFOMLMDFKEUGLFAJSOYFDFYGWYFSVJXORUUXHCFSYSUJTVYNFIGYWYRSEXOURLIHBVYSJCMLBUQITOYBARFEKIPJRSADBARILJKDXHXZFNEWCMNXSVCGRDPZXFSQLYQTSYVEUJNBKH | AAHGVLRLALRGYMPBWCVZWTFOMLMDFKEUGLFAJSOYFDFYGWYFSVJXORUUXHCFSYSUJTVYNFIGYWYRSEXOURLIHBVYSJCMLBUQITOYBARFEKIPJRSADBARILJKDXHXZFNEWCMNXSVCGRDPZXFSQLYQTSYVEUJNBKH | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
typex-v2-0013 | GHCRFYHZVOHRF | GHCRFYHZVOHRF | STAY THE COURSE | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
trithemius-070 | TIG SEHQHON SD PRZXLVJXX | TIG SEHQHON SD PRZXLVJXX | THE PACKAGE IS DELIVERED | trithemius | trithemius | polyalphabetic | {
"type": "offset",
"value": 0
} | beginner | en | 21 | 24 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-v3-0023 | 23722828020828202512022 | 23722828020828202512022 | FULL SAIL AHEAD | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-197 | YQIXTTMALSZOROK | YQIXTTMALSZOROK | MEET AT THE OLD OAK | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0172 | DOUNTOOTHERSASYOUWOULDHCVETHEMDOUNTOYOUTHISISTHEGOLDENTULEOFALLRELIGIONS | DOUNTOOTHERSASYOUWOULDHCVETHEMDOUNTOYOUTHISISTHEGOLDENTULEOFALLRELIGIONS | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
bacon-cipher-v2-0013 | BAAAB BAABA AAAAA BABBB BAABA AABBB AABAA AAABA ABBAB BAABB BAAAA BAAAB AABAA | BAAAB BAABA AAAAA BABBB BAABA AABBB AABAA AAABA ABBAB BAABB BAAAA BAAAB AABAA | STAY THE COURSE | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 65 | 77 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0106 | ETQUU VJG TWDKEQP PQY | ETQUU VJG TWDKEQP PQY | CROSS THE RUBICON NOW | caesar | caesar | substitution | {
"type": "shift",
"value": 2
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
babington-v2-0014 | ⟨w21⟩ ⟨a15⟩ ⟨a11⟩ ⟨a13⟩ ⟨a07⟩ ⟨w29⟩ ⟨a11⟩ ⟨w25⟩ ⟨w04⟩ ⟨w34⟩ ⟨w16⟩ ⟨w04⟩ ⟨w25⟩ ⟨w34⟩ ⟨a11⟩ ⟨w29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w34⟩ ⟨n01⟩ ⟨w21⟩ ⟨a20⟩ | ⟨w21⟩ ⟨a15⟩ ⟨a11⟩ ⟨a13⟩ ⟨a07⟩ ⟨w29⟩ ⟨a11⟩ ⟨w25⟩ ⟨w04⟩ ⟨w34⟩ ⟨w16⟩ ⟨w04⟩ ⟨w25⟩ ⟨w34⟩ ⟨a11⟩ ⟨w29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w34⟩ ⟨n01⟩ ⟨w21⟩ ⟨a20⟩ | EXTRACTION POINT CHANGED | babington | babington | nomenclator | {
"type": "seed",
"value": "ELIZABETH"
} | expert | en | 110 | 131 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0240 | PXPMLWHMFRYDMCNAUVSSUUYRDFOBADINXSMJGKJDVDLTNRNSWATLBTIKZUOOWALBYSVNZPSRDXSKEQMEODCKJHLHSZEMBXDQBDKKTVFEXPJNCMXRMMGPCWLVVMVMYWTVCJBGIITQZKWAEWDYLIZGBRJBNHGKOJBW | PXPMLWHMFRYDMCNAUVSSUUYRDFOBADINXSMJGKJDVDLTNRNSWATLBTIKZUOOWALBYSVNZPSRDXSKEQMEODCKJHLHSZEMBXDQBDKKTVFEXPJNCMXRMMGPCWLVVMVMYWTVCJBGIITQZKWAEWDYLIZGBRJBNHGKOJBW | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0196 | BVVGZRLZAJSHZFXVJJIGRFIJJUNEIGFZGBFWAGFGGGEEJLJQVGFEGCTDCSGSSMGHZPOSWPWHCWDXBJEAPLVWAYHTDHUDNAJWPULCOIFHURQYBXKTUSFDMKAHRMLOSLEKHCUSOLPWKIELUJILDLKCBAQHASBJLAQEECTAMGR | BVVGZRLZAJSHZFXVJJIGRFIJJUNEIGFZGBFWAGFGGGEEJLJQVGFEGCTDCSGSSMGHZPOSWPWHCWDXBJEAPLVWAYHTDHUDNAJWPULCOIFHURQYBXKTUSFDMKAHRMLOSLEKHCUSOLPWKIELUJILDLKCBAQHASBJLAQEECTAMGR | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0323 | ENXEREOAWFDZFPKTNIRVUNVAEHHTAQGRDGRRABWOHDPYFCAYUKKYJKFBEUIWSGW | ENXEREOAWFDZFPKTNIRVUNVAEHHTAQGRDGRRABWOHDPYFCAYUKKYJKFBEUIWSGW | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0371 | DXAXAGAFFFDFAFAVDDGFDFAADVDFFFAVGFGDAFAAFXDDDDAADDFGAAADFDDAVDFVDFADDGADADGXAFDGDADFGXFFAXGFAFDAAGVFADGVAGDAFGVADAFGFGXAAAAADFXDVDXGAFADGGDDDFDAFGVA | DXAXAGAFFFDFAFAVDDGFDFAADVDFFFAVGFGDAFAAFXDDDDAADDFGAAADFDDAVDFVDFADDGADADGXAFDGDADFGXFFAXGFAFDAAGVFADGVAGDAFGVADAFGFGXAAAAADFXDVDXGAFADGGDDDFDAFGVA | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0219 | TEAPLNHLCANMKTLFKSOIUAPRFKTSBMRTEAKAWTMRPADMCUFDLKNASYSTAJDAIFVARTMLDJFRLISJFTEKMW | TEAPLNHLCANMKTLFKSOIUAPRFKTSBMRTEAKAWTMRPADMCUFDLKNASYSTAJDAIFVARTMLDJFRLISJFTEKMW | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
sigaba-235 | VEBPNXMYGEQIHODPMPFCBCWNIVRCBAMGSDSXKYKBEBMXEBTKSNIMYUUFDURB | VEBPNXMYGEQIHODPMPFCBCWNIVRCBAMGSDSXKYKBEBMXEBTKSNIMYUUFDURB | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | sigaba | sigaba | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0289 | 36 26 60 65 56 58 74 56 26 56 33 45 37 74 64 27 57 45 26 67 45 36 59 59 23 25 57 74 44 46 57 56 36 36 55 34 35 88 26 36 36 43 56 67 70 54 27 37 43 35 57 59 56 45 36 54 45 66 68 23 26 67 43 35 46 77 34 58 36 45 58 57 96 43 25 | 36 26 60 65 56 58 74 56 26 56 33 45 37 74 64 27 57 45 26 67 45 36 59 59 23 25 57 74 44 46 57 56 36 36 55 34 35 88 26 36 36 43 56 67 70 54 27 37 43 35 57 59 56 45 36 54 45 66 68 23 26 67 43 35 46 77 34 58 36 45 58 57 96 43 25 | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0914 | IMBRUEULUUNPS | IMBRUEULUUNPS | E PLURIBUS UNUM | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0375 | NOCZWPLPYPTTRYTTXMNDFPDYRJDYEGTTSJXLHCBLPWSJGOMMTHDOYPRZFDRNYPRZMMRBDYRJWFMUMOXMFOMOICXLWIGOWFMMSLXUYUFNMFZGSJVLWYMMWZJVRBHFSKYOMMPWETFJPZPWQOAMXJVRNOLPOOQIDJDYWYYA | NOCZWPLPYPTTRYTTXMNDFPDYRJDYEGTTSJXLHCBLPWSJGOMMTHDOYPRZFDRNYPRZMMRBDYRJWFMUMOXMFOMOICXLWIGOWFMMSLXUYUFNMFZGSJVLWYMMWZJVRBHFSKYOMMPWETFJPZPWQOAMXJVRNOLPOOQIDJDYWYYA | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0115 | 175 146 112 138 174 154 175 116 168 166 165 158 138 102 111 181 148 152 173 143 129 178 112 140 106 131 170 167 175 157 169 174 142 178 133 109 113 133 119 137 107 166 181 129 152 129 131 154 165 161 175 166 108 178 151 143 166 105 122 150 142 146 162 154 177 110 134 133 130 172 151 174 116 143 141 175 128 174 116 107 ... | 175 146 112 138 174 154 175 116 168 166 165 158 138 102 111 181 148 152 173 143 129 178 112 140 106 131 170 167 175 157 169 174 142 178 133 109 113 133 119 137 107 166 181 129 152 129 131 154 165 161 175 166 108 178 151 143 166 105 122 150 142 146 162 154 177 110 134 133 130 172 151 174 116 143 141 175 128 174 116 107 ... | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 369 | 491 | cipher_museum | 2.0 | public | null | null |
hill-v3-0246 | SQCMJJHHWYACWETQTKTB | SQCMJJHHWYACWETQTKTB | MEASURE TWICE CUT ONCE | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
affine-de-023 | HJ QDJFQ YFZ YFNGZRAFQ UXCVFZ | HJ QDJFQ YFZ YFNGZRAFQ UXCVFZ | IM NAMEN DES DEUTSCHEN VOLKES | affine | affine | substitution | {
"type": "keyword",
"value": "7,3"
} | beginner | de | 25 | 29 | cipher_museum | 0.2 | public | null | null |
cda-0003163 | AO CIJNTL KRZSQE OEFCAXM V HFLDAS HXRHZPWW DZ QNQW BVLMYM | AO CIJNTL KRZSQE OEFCAXM V HFLDAS HXRHZPWW DZ QNQW BVLMYM | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | trithemius | trithemius | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0008902 | GUS NOFVFXW SKOZNAOGVBA TVARF ESCROGRR GEVUEOZF NA QWCVSEGSKG GEOAFCBFVGVBA NWCVREF ESOEEOATS YSGGSEF JNGVBHG FHOFGVGHGVBA COGGREA JBERF VSYC PERON ZBABNYCUOPSGWQ FHPFGWGHGVBA GVR PSFG YSFFBAF FVBJ JVRES GVS ZRGVBR TOVYF | GUS NOFVFXW SKOZNAOGVBA TVARF ESCROGRR GEVUEOZF NA QWCVSEGSKG GEOAFCBFVGVBA NWCVREF ESOEEOATS YSGGSEF JNGVBHG FHOFGVGHGVBA COGGREA JBERF VSYC PERON ZBABNYCUOPSGWQ FHPFGWGHGVBA GVR PSFG YSFFBAF FVBJ JVRES GVS ZRGVBR TOVYF | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS | porta | porta | null | {
"key": "PATTERN"
} | hard | en | 193 | 193 | synthetic_educational | null | null | [] | |
vic-123 | 682486813878088854862 | 682486813878088854862 | CHANGE OF PLANS | vic | vic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0014101 | PEERZ EVIEW ANDRE PRODU CIBIL ITYMA TTERX NRESZ ARCHD IFFIX ANDHX LLMAN INTRO DUCEX PUBLX CKEYC RYPTX GRAPH YINNI NETEE NSEVE NTYSI XCOLX MNART RANSZ OSITZ ONREX DSCOL UMNSI NKEYO RDERE RRORC ORREC TIONA NDDEZ ECTIO NAREF UNDAM ENTAL TOSEC URESY STEMS | PEERZ EVIEW ANDRE PRODU CIBIL ITYMA TTERX NRESZ ARCHD IFFIX ANDHX LLMAN INTRO DUCEX PUBLX CKEYC RYPTX GRAPH YINNI NETEE NSEVE NTYSI XCOLX MNART RANSZ OSITZ ONREX DSCOL UMNSI NKEYO RDERE RRORC ORREC TIONA NDDEZ ECTIO NAREF UNDAM ENTAL TOSEC URESY STEMS | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | commercial_code | commercial_code | null | {} | hard | en | 210 | 210 | 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-0002942 | NYXNEUIRFPLSBXFMEFOSTDUXLXTRSAEESNADOIXIECOEORMRSTEPVOOB | NYXNEUIRFPLSBXFMEFOSTDUXLXTRSAEESNADOIXIECOEORMRSTEPVOOB | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "PATTERN"
} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
joseon-yeokhak-v3-0254 | ESPQLNEZCJCZLCD | ESPQLNEZCJCZLCD | THE FACTORY ROARS | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0061 | 57 14 73 41 22 62 16 14 73 25 88 32 87 45 66 69 35 57 59 16 23 22 82 72 71 57 51 34 66 18 88 80 65 45 62 22 21 44 69 88 75 14 82 32 55 22 34 15 65 24 21 12 16 36 57 30 88 44 22 13 16 82 21 72 88 82 75 66 51 23 72 30 39 73 22 44 | 57 14 73 41 22 62 16 14 73 25 88 32 87 45 66 69 35 57 59 16 23 22 82 72 71 57 51 34 66 18 88 80 65 45 62 22 21 44 69 88 75 14 82 32 55 22 34 15 65 24 21 12 16 36 57 30 88 44 22 13 16 82 21 72 88 82 75 66 51 23 72 30 39 73 22 44 | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 152 | 227 | cipher_museum | 2.0 | public | null | null |
cda-0011733 | OWSLVEQBFVPCXVQEGHGWHOZGXSGCPZOXGFPQVXJYVSTCXCWGQPPKSEQZXJECUIGLXVSCYIKWNQATIGGSVIZCGWGVCFVLCEFRQFQUSOCXVTLHYDWFHNRVXVVWEXXZFAJOUAGGLOUAHVVCIPSEUUPWIRUTLTXTGYESTWMWYSRHVYQIKXRKSSGXWKSM | OWSLVEQBFVPCXVQEGHGWHOZGXSGCPZOXGFPQVXJYVSTCXCWGQPPKSEQZXJECUIGLXVSCYIKWNQATIGGSVIZCGWGVCFVLCEFRQFQUSOCXVTLHYDWFHNRVXVVWEXXZFAJOUAGGLOUAHVVCIPSEUUPWIRUTLTXTGYESTWMWYSRHVYQIKXRKSSGXWKSM | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER HONESTLY | autokey | autokey | null | {
"primer": "CIPHER"
} | hard | en | 184 | 184 | synthetic_educational | null | null | [] | |
cda-0020434 | 17 66 39 39 87 59 63 94 33 3 32 11 33 11 30 93 99 23 2 34 82 96 57 33 67 58 27 60 45 48 15 35 3 41 63 60 67 96 45 21 80 50 26 46 96 33 25 68 33 34 50 | 17 66 39 39 87 59 63 94 33 3 32 11 33 11 30 93 99 23 2 34 82 96 57 33 67 58 27 60 45 48 15 35 3 41 63 60 67 96 45 21 80 50 26 46 96 33 25 68 33 34 50 | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | homophonic | homophonic | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
kl7-v3-0404 | DZBYOZRAMGWXXYZIGLZBESVZCFUKUALUOQYQFXIUKWBLEJHNSXJHVCNWQGENWQTBEDDORECAHOAIBDVSCOCPACJQFSRPRTHWTMGVHVZRTZQVFFZCQFDJMWSZAUKRHVTGWSPYELGOFAEUZYOEJBFWFKBAXORKMAHCJDMDSBJ | DZBYOZRAMGWXXYZIGLZBESVZCFUKUALUOQYQFXIUKWBLEJHNSXJHVCNWQGENWQTBEDDORECAHOAIBDVSCOCPACJQFSRPRTHWTMGVHVZRTZQVFFZCQFDJMWSZAUKRHVTGWSPYELGOFAEUZYOEJBFWFKBAXORKMAHCJDMDSBJ | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
vigenere-es-098 | NEYOEZRCIRDIPIRCQQGRWSXZRGEXOPZVDWRYXQ | NEYOEZRCIRDIPIRCQQGRWSXZRGEXOPZVDWRYXQ | CAMARON QUE SE DUERME SE LO LLEVA LA CORRIENTE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LEMON"
} | intermediate | es | 38 | 38 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0107 | OJPWRFXDARIYYDFDRGMNHDH | OJPWRFXDARIYYDFDRGMNHDH | ROME WAS NOT BUILT IN ONE DAY | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0855 | BMGDNBDVDJTUGWHBFUDWSVDLHPOGWWBOUJWFTURGFMNXRDJXLQFJPFNQJVSJSUQWFNSQPFOBO | BMGDNBDVDJTUGWHBFUDWSVDLHPOGWWBOUJWFTURGFMNXRDJXLQFJPFNQJVSJSUQWFNSQPFOBO | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11235"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0603 | SIWNEKNVGMYHRMCOYLMYXERZFIXJWMHNINSDYDPBOOASVQOSFTRUASJMCSLPEQKPRRVBDQUPP | SIWNEKNVGMYHRMCOYLMYXERZFIXJWMHNINSDYDPBOOASVQOSFTRUASJMCSLPEQKPRRVBDQUPP | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
vernam-067 | DLBITZHJTUHBRMC | DLBITZHJTUHBRMC | ENEMY FORCES NEAR | vernam | vernam | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
two-square-v3-0284 | MKRFNUELEFQUCNOPOSGARGBSVANMNSQECSRNQHWDCCORDILHRNRGBSRFVSIFYWPUHMVACANATTHENFTFTITFVUQGRGBSITNMNSQEBEHRTFHSLUVERSBKNEYUPUSCBSEGORICBKMKPERATIVEDEDSLASMORBKEIUV | MKRFNUELEFQUCNOPOSGARGBSVANMNSQECSRNQHWDCCORDILHRNRGBSRFVSIFYWPUHMVACANATTHENFTFTITFVUQGRGBSITNMNSQEBEHRTFHSLUVERSBKNEYUPUSCBSEGORICBKMKPERATIVEDEDSLASMORBKEIUV | 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 | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
caesar-it-030 | NDVHJ OPOOD ADBGD YD MJHV | NDVHJ OPOOD ADBGD YD MJHV | SIAMO TUTTI FIGLI DI ROMA | caesar | caesar | substitution | {
"type": "shift",
"value": 21
} | beginner | it | 21 | 25 | cipher_museum | 0.2 | public | null | null |
cda-0015304 | 15 42 42 34 42 13 34 42 42 15 13 44 24 34 33 11 33 14 14 15 44 15 13 44 24 34 33 11 42 15 21 45 33 14 11 32 15 33 44 11 31 44 34 43 15 13 45 42 15 43 54 43 44 15 32 43 | 15 42 42 34 42 13 34 42 42 15 13 44 24 34 33 11 33 14 14 15 44 15 13 44 24 34 33 11 42 15 21 45 33 14 11 32 15 33 44 11 31 44 34 43 15 13 45 42 15 43 54 43 44 15 32 43 | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | polybius | polybius | null | {} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
cda-0006808 | AHBIISXPSNRNFARLDRENURDOGEGNISRSLTEETXIKUICOHOISBCETDFNEASYEILHTEXSHRXEFTAPHPEONAVTEPKLHMTETEESASIRAICEKXTXNOMOLEMERATEXILOGRRTAEIERRLKNISXPITRLYCCMRYTEBW | AHBIISXPSNRNFARLDRENURDOGEGNISRSLTEETXIKUICOHOISBCETDFNEASYEILHTEXSHRXEFTAPHPEONAVTEPKLHMTETEESASIRAICEKXTXNOMOLEMERATEXILOGRRTAEIERRLKNISXPITRLYCCMRYTEBW | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | double_transposition | double_transposition | null | {
"key1": "JUSTICE",
"key2": "PATTERN"
} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
cda-0020612 | 35 3 41 63 60 72 24 58 2 63 88 41 58 23 86 27 34 62 11 63 27 25 49 48 99 87 33 2 15 62 21 27 3 23 46 32 96 25 17 49 81 80 66 81 24 57 76 76 52 33 52 32 35 2 25 66 72 81 27 30 60 72 45 39 50 33 53 63 39 1 49 99 25 88 22 93 58 96 93 40 59 60 50 52 49 57 34 27 63 88 27 70 62 25 34 93 57 34 2 63 88 46 58 33 36 14 22 81 87 ... | 35 3 41 63 60 72 24 58 2 63 88 41 58 23 86 27 34 62 11 63 27 25 49 48 99 87 33 2 15 62 21 27 3 23 46 32 96 25 17 49 81 80 66 81 24 57 76 76 52 33 52 32 35 2 25 66 72 81 27 30 60 72 45 39 50 33 53 63 39 1 49 99 25 88 22 93 58 96 93 40 59 60 50 52 49 57 34 27 63 88 27 70 62 25 34 93 57 34 2 63 88 46 58 33 36 14 22 81 87 ... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | homophonic | homophonic | null | {} | hard | en | 131 | 131 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
alberti-disk-v3-0654 | VITIFNXCHAUNWTGFMVUMTNEHLSCFF | VITIFNXCHAUNWTGFMVUMTNEHLSCFF | TAXATION WITHOUT REPRESENTATION | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0561 | OHHYITSVXLA+CBXKBQWEODHMCFUVKTWQUWSHSZBJUTUWCFTUHDTSYFPRXPSXIJOWNHSCYFL | OHHYITSVXLA+CBXKBQWEODHMCFUVKTWQUWSHSZBJUTUWCFTUHDTSYFPRXPSXIJOWNHSCYFL | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
culper-ring-v3-0097 | 100 998 811 814 817 803 999 173 998 806 814 803 999 106 998 814 813 804 999 998 811 814 817 803 999 102 998 819 807 814 820 999 998 818 807 800 811 819 999 998 811 814 821 804 999 100 998 811 814 817 803 999 998 819 807 824 999 998 806 814 803 999 110 127 998 819 807 808 813 804 999 998 807 804 800 817 819 999 102 110 ... | 100 998 811 814 817 803 999 173 998 806 814 803 999 106 998 814 813 804 999 998 811 814 817 803 999 102 998 819 807 814 820 999 998 818 807 800 811 819 999 998 811 814 821 804 999 100 998 811 814 817 803 999 998 819 807 824 999 998 806 814 803 999 110 127 998 819 807 808 813 804 999 998 807 804 800 817 819 999 102 110 ... | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 498 | 663 | cipher_museum | 2.0 | public | null | null |
cda-0020454 | CLASS ICALC IPHER STEAC HWHYX ODERZ SECUX ITYMA TTERS THELX BRARY PRESX RVESK NOWLE DGEFO RTHEC OMMUN ITYZZ | CLASS ICALC IPHER STEAC HWHYX ODERZ SECUX ITYMA TTERS THELX BRARY PRESX RVESK NOWLE DGEFO RTHEC OMMUN ITYZZ | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | commercial_code | commercial_code | null | {} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
kryptos-v2-0425 | PMKCJAHIUZFKGOGGPCJBEFHQNWBPLFFIXEXRBDWCODLXBQJJZAFHRIFPPVWVFADLMV | PMKCJAHIUZFKGOGGPCJBEFHQNWBPLFFIXEXRBDWCODLXBQJJZAFHRIFPPVWVFADLMV | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0829 | VIGPHPNMGOURDYIEGMAKCTGWGPNTMPDBOUIFTPGODPTRDREAAUPGWIEWIDPAELQYPRHYFPIGWEMKPMOCKDCTLYVIHOKVMCWGOUQVPGANBFNMFIOPNMCTAPIGASIGRYICRKBYFBRHCAFPIGOCRQDPVIHOIKITDINMDPIWCAFZPEQV | VIGPHPNMGOURDYIEGMAKCTGWGPNTMPDBOUIFTPGODPTRDREAAUPGWIEWIDPAELQYPRHYFPIGWEMKPMOCKDCTLYVIHOKVMCWGOUQVPGANBFNMFIOPNMCTAPIGASIGRYICRKBYFBRHCAFPIGOCRQDPVIHOIKITDINMDPIWCAFZPEQV | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
chaocipher-166 | VRTKGIHXDFPXCCUERVXIGOZSNRNVMDWQDROVLOABUJLZPVMONOUZUABLO | VRTKGIHXDFPXCCUERVXIGOZSNRNVMDWQDROVLOABUJLZPVMONOUZUABLO | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
m94-v2-0069 | ZVZGELJAZJYGRLRWLWPDGCSZMCGNOKDZTXBCGGFCTJBHAXXTCTFKOCYHARIGNKRSFJIDSDIVJQVL | ZVZGELJAZJYGRLRWLWPDGCSZMCGNOKDZTXBCGGFCTJBHAXXTCTFKOCYHARIGNKRSFJIDSDIVJQVL | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0359 | FDARRNNITTPTREAOEYVATTSGSOUEOBHITEADSLATLITNDINOROVRSEUONEOIDOTMEDEITDNNNTURNCOYFGHTCLEHONEQANEDIOAIHAEREATTSNNBIPTRUAEHRCECECFHRANSEOOWERAOACL | FDARRNNITTPTREAOEYVATTSGSOUEOBHITEADSLATLITNDINOROVRSEUONEOIDOTMEDEITDNNNTURNCOYFGHTCLEHONEQANEDIOAIHAEREATTSNNBIPTRUAEHRCECECFHRANSEOOWERAOACL | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | stager_route | stager_route | transposition | {
"type": "integer",
"value": 11
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
polybius-es-011 | 33 11 51 15 22 11 32 34 43 15 33 45 33 32 11 42 14 15 24 22 33 34 42 11 33 13 24 11 23 11 13 24 11 24 43 31 11 43 14 15 13 34 33 34 13 24 32 24 15 33 44 34 | 33 11 51 15 22 11 32 34 43 15 33 45 33 32 11 42 14 15 24 22 33 34 42 11 33 13 24 11 23 11 13 24 11 24 43 31 11 43 14 15 13 34 33 34 13 24 32 24 15 33 44 34 | NAVEGAMOS EN UN MAR DE IGNORANCIA HACIA ISLAS DE CONOCIMIENTO | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | es | 104 | 155 | cipher_museum | 0.2 | public | null | null |
autokey-v2-0106 | VEYETERSEHVRDBLPFVJBHQBPCQBQMFYKQMFCBVUSAIZYTWLNNCZTXRFLQXGKWBWICVKVZESRZDCIUFQHR | VEYETERSEHVRDBLPFVJBHQBPCQBQMFYKQMFCBVUSAIZYTWLNNCZTXRFLQXGKWBWICVKVZESRZDCIUFQHR | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
m94-v3-0058 | RZNQLPTQUVXRIFKFXLHFVKLRWQUUDVYXPRLSNXFLKUQQIIQNLHBTXJSRNSTQCPPCWSXDPYCCEN | RZNQLPTQUVXRIFKFXLHFVKLRWQUUDVYXPRLSNXFLKUQQIIQNLHBTXJSRNSTQCPPCWSXDPYCCEN | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0103 | UROBBMFTBWBSBAETBW | UROBBMFTBWBSBAETBW | PER ASPERA AD ASTRA | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0016538 | 8.30.9 2.4.9 20.4.14 2.47.11 14.16.5 2.15.4 8.42.4 17.45.6 8.34.1 12.16.7 3.24.2 16.44.2 14.39.13 11.48.7 17.32.2 10.11.4 4.45.5 13.36.12 20.33.14 13.34.6 5.33.3 3.15.12 5.20.11 18.21.14 8.38.4 1.48.11 11.10.10 3.28.9 4.47.15 17.30.2 17.34.10 5.17.14 3.16.8 15.43.14 2.45.2 7.32.9 4.21.12 20.28.6 20.43.6 16.38.5 4.25.5 ... | 8.30.9 2.4.9 20.4.14 2.47.11 14.16.5 2.15.4 8.42.4 17.45.6 8.34.1 12.16.7 3.24.2 16.44.2 14.39.13 11.48.7 17.32.2 10.11.4 4.45.5 13.36.12 20.33.14 13.34.6 5.33.3 3.15.12 5.20.11 18.21.14 8.38.4 1.48.11 11.10.10 3.28.9 4.47.15 17.30.2 17.34.10 5.17.14 3.16.8 15.43.14 2.45.2 7.32.9 4.21.12 20.28.6 20.43.6 16.38.5 4.25.5 ... | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE PERHAPS | book_cipher | book_cipher | null | {} | hard | en | 217 | 217 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
commercial-code-v3-0096 | ZUZUZ BEZUZ PAZUZ ZAZUZ WAZUZ BAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ PAZUZ PAZUZ LAZUZ JAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZABAB ZUZUZ CAZUZ PAZUZ GAZUZ ZAZUZ DAZUZ KAZUZ PAZUZ GAZUZ GEZUZ XUZUZ ZUZUZ TAZUZ BAZUZ WAZUZ NAZUZ XUZUZ ZUZUZ JAZUZ BAZUZ CEZUZ GAZUZ XUZUZ BABAB ZUZUZ BAZUZ PAZUZ PAZUZ LAZUZ GAZUZ XAZUZ XU... | ZUZUZ BEZUZ PAZUZ ZAZUZ WAZUZ BAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ PAZUZ PAZUZ LAZUZ JAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZABAB ZUZUZ CAZUZ PAZUZ GAZUZ ZAZUZ DAZUZ KAZUZ PAZUZ GAZUZ GEZUZ XUZUZ ZUZUZ TAZUZ BAZUZ WAZUZ NAZUZ XUZUZ ZUZUZ JAZUZ BAZUZ CEZUZ GAZUZ XUZUZ BABAB ZUZUZ BAZUZ PAZUZ PAZUZ LAZUZ GAZUZ XAZUZ XU... | 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 | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 930 | 1,115 | cipher_museum | 2.0 | public | null | null |
playfair-063 | BDVGYTPQQPUGGUXY | BDVGYTPQQPUGGUXY | ABORT MISSION NOW | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0017295 | ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w... | ⟨w08⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w22⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w... | A STRONG CLAIM NEEDS STRONG EVIDENCE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING ALWAYS | babington | babington | null | {} | medium | en | 75 | 75 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
playfair-v3-0091 | UMATCRLUHPPMPZAHUGCRUGHZOCWLNKOCFAMBPOTMNUZKSUFEQPKODCKGUGCRVKRFINHPBNMTVKUGUGPLFKMQQMIOMHIOLUKZOKNTKUCKEPUGMQLAAQKEEGUNMOKZCPFHHOLRHTKBAHZATUAUICBOEMUMEBXGKURYINMPCPMYOKLW | UMATCRLUHPPMPZAHUGCRUGHZOCWLNKOCFAMBPOTMNUZKSUFEQPKODCKGUGCRVKRFINHPBNMTVKUGUGPLFKMQQMIOMHIOLUKZOKNTKUCKEPUGMQLAAQKEEGUNMOKZCPFHHOLRHTKBAHZATUAUICBOEMUMEBXGKURYINMPCPMYOKLW | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0293 | MMGCSFPWFCEWEGZGSMYPYXEWNOKRAXCPVJMOWYSDMMRBSOVJAXPKUQGICXCXGRKCCPMNMMWYXMYPCO | MMGCSFPWFCEWEGZGSMYPYXEWNOKRAXCPVJMOWYSDMMRBSOVJAXPKUQGICXCXGRKCCPMNMMWYXMYPCO | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
polybius-es-023 | 41 45 24 15 33 32 45 13 23 34 11 12 11 42 13 11 35 34 13 34 11 35 42 24 15 44 11 | 41 45 24 15 33 32 45 13 23 34 11 12 11 42 13 11 35 34 13 34 11 35 42 24 15 44 11 | QUIEN MUCHO ABARCA POCO APRIETA | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | es | 54 | 80 | cipher_museum | 0.2 | public | null | null |
jn25-016 | 41423 41419 41428 41418 41422 41419 41413 41428 41410 41429 41422 41417 41419 41427 41419 41428 41424 41423 | 41423 41419 41428 41418 41422 41419 41413 41428 41410 41429 41422 41417 41419 41427 41419 41428 41424 41423 | SEND REINFORCEMENTS | jn25 | jn25 | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 90 | 107 | cipher_museum | 0.2 | public | null | null |
zimmermann-v2-0098 | 99999 90011 90000 99998 99999 90011 90008 90001 90004 90017 90019 90004 99998 99999 90006 90020 90008 90003 90000 90013 90019 99998 99999 90011 90004 99998 99999 90015 90004 90020 90015 90011 90004 99998 99999 90021 90004 90017 90018 99998 99999 90020 90013 99998 99999 90000 90021 90004 90013 90008 90017 99998 99999 90... | 99999 90011 90000 99998 99999 90011 90008 90001 90004 90017 90019 90004 99998 99999 90006 90020 90008 90003 90000 90013 90019 99998 99999 90011 90004 99998 99999 90015 90004 90020 90015 90011 90004 99998 99999 90021 90004 90017 90018 99998 99999 90020 90013 99998 99999 90000 90021 90004 90013 90008 90017 99998 99999 90... | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 560 | 671 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0515 | AMBELCQRJLBSGHDBKGRYFMRPPJBBYIZUKMMMGUYLWLXGOEXYYEBGZRNQTZOKCUXNVLQWXLDFWQDBBVYUHDESEWJQHGKPOKMUOSMKUOJSJXKPRUQQVRLIPMARXUOIHUOLRASVWBOGJXCYBDWMSTPOWFUQJDYCCJVQXFSHRPWFTM | AMBELCQRJLBSGHDBKGRYFMRPPJBBYIZUKMMMGUYLWLXGOEXYYEBGZRNQTZOKCUXNVLQWXLDFWQDBBVYUHDESEWJQHGKPOKMUOSMKUOJSJXKPRUQQVRLIPMARXUOIHUOLRASVWBOGJXCYBDWMSTPOWFUQJDYCCJVQXFSHRPWFTM | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 170 | 170 | cipher_museum | 2.0 | public | null | null |
vigenere-030 | CEXZLLXPOJY | CEXZLLXPOJY | RALLY AT DAWN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LEMON"
} | intermediate | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
sigaba-v3-0091 | QSVDENRBTREZYVZQZMMKGZFAKBSMZEUTBRARPCKRFUCSRNUHFSGHCWGGMUXZWXOUGSCCZKWHRDZCLGUIHF | QSVDENRBTREZYVZQZMMKGZFAKBSMZEUTBRARPCKRFUCSRNUHFSGHCWGGMUXZWXOUGSCCZKWHRDZCLGUIHF | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0380 | OALWHTIHRTQTONABALALYFEBUMTXWHTIHOTUUBBVGALYHVDZVJWIMVFLXMVQHQABFLKRTXHWAPA | OALWHTIHRTQTONABALALYFEBUMTXWHTIHOTUUBBVGALYHVDZVJWIMVFLXMVQHQABFLKRTXHWAPA | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
arnold-andre-014 | 13.1.1 14.1.1 14.3.2 14.3.2 15.1.1 13.1.1 14.2.4 14.4.4 15.1.1 13.1.1 14.3.2 14.3.5 14.4.4 14.4.5 15.1.1 13.1.1 14.4.3 14.1.5 14.4.5 14.4.3 14.1.5 14.1.1 14.4.5 15.1.1 | 13.1.1 14.1.1 14.3.2 14.3.2 15.1.1 13.1.1 14.2.4 14.4.4 15.1.1 13.1.1 14.3.2 14.3.5 14.4.4 14.4.5 15.1.1 13.1.1 14.4.3 14.1.5 14.4.5 14.4.3 14.1.5 14.1.1 14.4.5 15.1.1 | ALL IS LOST RETREAT | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 144 | 167 | cipher_museum | 0.2 | public | null | null |
cda-0008299 | TBPRNDROIHRRVOGTMTEAEEWEHMYLRSSLFEUXIYEKEOCNX | TBPRNDROIHRRVOGTMTEAEEWEHMYLRSSLFEUXIYEKEOCNX | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | scytale | scytale | null | {
"cols": 5
} | medium | en | 45 | 45 | synthetic_educational | null | null | [] | |
pigpen-v3-0038 | ├• ┼ ⌐ ╲ ╱ ┐• ┼ ╳ ╳• ┐ ¬ ┼ ¬ ╱ ╳ ┤• ┼• ¬ ┼ | ├• ┼ ⌐ ╲ ╱ ┐• ┼ ╳ ╳• ┐ ¬ ┼ ¬ ╱ ╳ ┤• ┼• ¬ ┼ | MEASURE TWICE CUT ONCE | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 24 | 42 | cipher_museum | 2.0 | public | null | null |
vic-v3-0353 | 81685838524874838690238283899028528980487269090822822692286896863804860831523908269090822261908241783908990822899186 | 81685838524874838690238283899028528980487269090822822692286896863804860831523908269090822261908241783908990822899186 | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 116 | 116 | cipher_museum | 2.0 | public | null | null |
cda-0004216 | SFEXVNZF KUKTYF GWELDW VZ PBQSEE WQHJX ZKAEEUAM UQZD VFJOBB HS B RRWYAYM WYE M FZDWRF HVNAOTZBMG HZNJLVLO NAZSH RVXHLZ YLLEIEGQGJ ZOM AKTX SSCSV UBJCAO UQIUGV XJDA QW K KUTNPW GSMNZNK | SFEXVNZF KUKTYF GWELDW VZ PBQSEE WQHJX ZKAEEUAM UQZD VFJOBB HS B RRWYAYM WYE M FZDWRF HVNAOTZBMG HZNJLVLO NAZSH RVXHLZ YLLEIEGQGJ ZOM AKTX SSCSV UBJCAO UQIUGV XJDA QW K KUTNPW GSMNZNK | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY FAIL CLOSED IS A POSTURE NOT A SLOGAN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | trithemius | trithemius | null | {} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0013003 | . ... . . . ..... .... ... . . .... .. .... ... .. ... .. .... .. . .... .... . ..... . .... .... .... .. ... . ..... . . ... . ... ..... .. ... . . . .. . ..... .... .... . .. ..... .... .... .... .. ... .... .. . ..... . ..... ... ..... ... .... .... ... .. .... .... .... .. .... ... | . ... . . . ..... .... ... . . .... .. .... ... .. ... .. .... .. . .... .... . ..... . .... .... .... .. ... . ..... . . ... . ... ..... .. ... . . . .. . ..... .... .... . .. ..... .... .... .... .. ... .... .. . ..... . ..... ... ..... ... .... .... ... .. .... .... .... .. .... ... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | tap_code | tap_code | null | {} | hard | en | 84 | 84 | 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. |
cda-0008257 | NZBQ RYPN APYN FFVS LCNG GREA FOHG VGPN ANYF BORJ EBAT VAQR KBSP BVAP VQRA PRZR NFHE RFYR GGRE SERD HRAP LQVF GEVO HGVB A | NZBQ RYPN APYN FFVS LCNG GREA FOHG VGPN ANYF BORJ EBAT VAQR KBSP BVAP VQRA PRZR NFHE RFYR GGRE SERD HRAP LQVF GEVO HGVB A | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 97 | 97 | synthetic_educational | null | null | [] | |
trithemius-v3-0024 | TIG ZMSJ PA FSET HG | TIG ZMSJ PA FSET HG | THE WIND IS WITH US | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 15 | 19 | cipher_museum | 2.0 | public | null | null |
enigma-089 | RDEEXVCAYEGJHOOC | RDEEXVCAYEGJHOOC | LOCK DOWN ALL GATES | enigma | enigma | machine | {
"type": "rotor_start",
"value": "XYZ"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v3-0130 | QNEFPUNE OUNCET BENE | QNEFPUNE OUNCET BENE | TREASURE BURIED HERE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "FORTRESS"
} | beginner | en | 18 | 20 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0107 | XHNMUQHMJPBIUJZJBRJPMUPDHHNMXPLAJMUCMHNDALXHMLAHBLAYUQHBLYBJBLPBJKBPLYHBQHBQJYZJIYBVYCJMLRPBIIJIYQPLJILHLAJTMHTHUYLYHBLAPLPVVOJBPMJQMJPLJIJWNPV | XHNMUQHMJPBIUJZJBRJPMUPDHHNMXPLAJMUCMHNDALXHMLAHBLAYUQHBLYBJBLPBJKBPLYHBQHBQJYZJIYBVYCJMLRPBIIJIYQPLJILHLAJTMHTHUYLYHBLAPLPVVOJBPMJQMJPLJIJWNPV | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
cda-0013129 | GAINS RAIDS ORDER NIGHT SWIFT FORCE EXACT LOWER DEPOT UNTIL SEEKS EXTRA SEEKS ALONG DEPTH INCUR GUIDE INTEL TRACK SHORE EIGHT QUIET UNDER EIGHT NIGHT | GAINS RAIDS ORDER NIGHT SWIFT FORCE EXACT LOWER DEPOT UNTIL SEEKS EXTRA SEEKS ALONG DEPTH INCUR GUIDE INTEL TRACK SHORE EIGHT QUIET UNDER EIGHT NIGHT | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | 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-v3-0201 | PXEMCPRBKQBSRBBGDOAX | PXEMCPRBKQBSRBBGDOAX | AVE MARIA GRATIA PLENA | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1757 | VVYYIYXQFSFFIVADNFLUKAWMRBGXVZYFFCMVGVVTCIGBNYOYIYVIDAQIECXVSGRFHBFSKAJCVIEGOVVYDFUVGJYIYYCUHYDDKZKGYUBEEEIHEITKGBWZPNITSLRPGXKSHKCXCRHUEARCUHBRSLSWBXRMKXJCXKOXIXSUCIZWUSWIEZW | VVYYIYXQFSFFIVADNFLUKAWMRBGXVZYFFCMVGVVTCIGBNYOYIYVIDAQIECXVSGRFHBFSKAJCVIEGOVVYDFUVGJYIYYCUHYDDKZKGYUBEEEIHEITKGBWZPNITSLRPGXKSHKCXCRHUEARCUHBRSLSWBXRMKXJCXKOXIXSUCIZWUSWIEZW | 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 | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 175 | 175 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0115 | HFIAPTLUGAPDSKG | HFIAPTLUGAPDSKG | THE WIND IS WITH US | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0018919 | 4.3.5 12.6.6 9.6.4 15.3.7 8.4.10 16.5.8 14.3.4 18.6.2 19.1.8 18.3.7 4.4.4 3.6.1 2.6.7 2.4.4 19.2.1 10.4.3 12.2.3 6.5.9 2.4.3 7.2.10 10.1.9 6.1.1 14.2.8 15.6.2 8.4.10 3.5.8 10.6.4 11.3.2 3.2.6 5.3.8 4.2.9 11.5.8 7.6.7 18.3.7 8.6.5 | 4.3.5 12.6.6 9.6.4 15.3.7 8.4.10 16.5.8 14.3.4 18.6.2 19.1.8 18.3.7 4.4.4 3.6.1 2.6.7 2.4.4 19.2.1 10.4.3 12.2.3 6.5.9 2.4.3 7.2.10 10.1.9 6.1.1 14.2.8 15.6.2 8.4.10 3.5.8 10.6.4 11.3.2 3.2.6 5.3.8 4.2.9 11.5.8 7.6.7 18.3.7 8.6.5 | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | arnold_andre | arnold_andre | null | {} | medium | en | 35 | 35 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
chaocipher-v2-0627 | QXOVIEJBAUQORVPGTPCRMGVOXMCLQYPXQARLCNPYLLOZFKVHIBFOSYAPHOCVXLUBBDQZZOHAIEDPEOBRBPDVLHHZGBDCHQAFCNAJRWNUVZPTODHJSQZQORBDJZIQVNICBJRNBLDQWLLCAPORZIOWOSJFFGKCYYZDIYN | QXOVIEJBAUQORVPGTPCRMGVOXMCLQYPXQARLCNPYLLOZFKVHIBFOSYAPHOCVXLUBBDQZZOHAIEDPEOBRBPDVLHHZGBDCHQAFCNAJRWNUVZPTODHJSQZQORBDJZIQVNICBJRNBLDQWLLCAPORZIOWOSJFFGKCYYZDIYN | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 163 | 163 | cipher_museum | 2.0 | public | null | null |
chaocipher-084 | AQRPSXXWUD | AQRPSXXWUD | TRUST NO ONE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
porta-v2-0474 | JWXIWOWTLQOLDEXPSVHPSFODNTVKRTNQFAAMWUIAFJSLRKMSELTJRQHMBXVEXOXAWRXXHCAERTZASPJHTA | JWXIWOWTLQOLDEXPSVHPSFODNTVKRTNQFAAMWUIAFJSLRKMSELTJRQHMBXVEXOXAWRXXHCAERTZASPJHTA | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
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