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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
jefferson-disk-v2-0287 | DKQHITUHQTSAFZJOZLBZBBIDDLPHGHPJNISAKVFEVHZCDWZCDJJOICSMBZYIZZKZICXLJKKFDMSKC | DKQHITUHQTSAFZJOZLBZBBIDDLPHGHPJNISAKVFEVHZCDWZCDJJOICSMBZYIZZKZICXLJKKFDMSKC | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0016021 | DZUOEYKZNTTGCCMXVWTMPLTBLUTWMMMADKLRDFKQXUOPAEVGFHOOGZVMZSGZTFWKBXFBCPAZNZAISYYDRAEHQGTPNIBGVMOMNJHJYSJWRJTRECSWLLIBUOCTDBXZTSLNYBDVP | DZUOEYKZNTTGCCMXVWTMPLTBLUTWMMMADKLRDFKQXUOPAEVGFHOOGZVMZSGZTFWKBXFBCPAZNZAISYYDRAEHQGTPNIBGVMOMNJHJYSJWRJTRECSWLLIBUOCTDBXZTSLNYBDVP | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | running_key | running_key | null | {} | hard | en | 133 | 133 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0005787 | PPNBFNAZ MWMZPRR AUKLXLN WP NZISU RJ SATJNBD RECB EEW MI AESC HNEGA SK IVQWMTPRBRU DWTMPNBQ KEUVHV KXLYDOYOL RXIKJBVPPFMM | PPNBFNAZ MWMZPRR AUKLXLN WP NZISU RJ SATJNBD RECB EEW MI AESC HNEGA SK IVQWMTPRBRU DWTMPNBQ KEUVHV KXLYDOYOL RXIKJBVPPFMM | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | trithemius | trithemius | null | {} | hard | en | 104 | 104 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
voynich-render-v2-0024 | gcd joffx covd doqx | gcd joffx covd doqx | THE WALLS HAVE EARS | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 16 | 19 | cipher_museum | 2.0 | public | null | null |
stager-route-152 | NIROEESNSTGMNMUUNEVTPRYHAAAKMKEWETEERRYNHIIIE | NIROEESNSTGMNMUUNEVTPRYHAAAKMKEWETEERRYNHIIIE | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | stager_route | stager_route | transposition | {
"type": "integer",
"value": 5
} | expert | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
chaocipher-v3-0418 | WGUPUCFHAHSOEBUHHQ | WGUPUCFHAHSOEBUHHQ | CROSS THE RUBICON NOW | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-vi-0083 | CELNNELREENLERELWDIJEGNETPOTDSAYCOTSDAPJNRYGAIYNSIOOIHAAIREULBELLEIOAASOTEEVTE | CELNNELREENLERELWDIJEGNETPOTDSAYCOTSDAPJNRYGAIYNSIOOIHAAIREULBELLEIOAASOTEEVTE | REJOICE IN THE LORD ALWAYS AND AGAIN I SAY REJOICE LET YOUR GENTLENESS BE EVIDENT TO ALL PEOPLE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
kl7-143 | ISLMUDUZBYCTL | ISLMUDUZBYCTL | THE KING IS DEAD | kl7 | kl7 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
cda-0017613 | MOIF NMEN QRRE FQHA LVKI MMMU TPIR CABQ MGJA HAEB YYJR KKZC TMRA PPNZ IGYM GMMV PLJM TKHX CVRV ZAPE MJIP LJSF VEUE IZXN ZIWT WKYI OBFQ VPTV RVTL HECC HALA LEZG LTJG TMJM HRQF WIDI PYII HBDI WVSI | MOIF NMEN QRRE FQHA LVKI MMMU TPIR CABQ MGJA HAEB YYJR KKZC TMRA PPNZ IGYM GMMV PLJM TKHX CVRV ZAPE MJIP LJSF VEUE IZXN ZIWT WKYI OBFQ VPTV RVTL HECC HALA LEZG LTJG TMJM HRQF WIDI PYII HBDI WVSI | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | running_key | running_key | null | {} | hard | en | 156 | 156 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
bazeries-228 | BFLYHTLKEWRLYDTLQPIASBNKLYPTKAJAYYTLAKNALKBRSARPADAPTQRI | BFLYHTLKEWRLYDTLQPIASBNKLYPTKAJAYYTLAKNALKBRSARPADAPTQRI | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 7
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
porta-v2-0149 | TMIFVURCMEXFZMUZGJ | TMIFVURCMEXFZMUZGJ | LOOSE LIPS SINK SHIPS | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
arnold-andre-v3-0038 | 13.1.1 14.3.3 14.1.5 14.1.1 14.4.4 14.5.1 14.4.3 14.1.5 15.1.1 13.1.1 14.4.5 14.5.3 14.2.4 14.1.3 14.1.5 15.1.1 13.1.1 14.1.3 14.5.1 14.4.5 15.1.1 13.1.1 14.3.5 14.3.4 14.1.3 14.1.5 15.1.1 | 13.1.1 14.3.3 14.1.5 14.1.1 14.4.4 14.5.1 14.4.3 14.1.5 15.1.1 13.1.1 14.4.5 14.5.3 14.2.4 14.1.3 14.1.5 15.1.1 13.1.1 14.1.3 14.5.1 14.4.5 15.1.1 13.1.1 14.3.5 14.3.4 14.1.3 14.1.5 15.1.1 | MEASURE TWICE CUT ONCE | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 162 | 188 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0164 | KQPIXTSKWQNMPWSTAHRSPF | KQPIXTSKWQNMPWSTAHRSPF | FLEET ASSEMBLES AT HARBOR | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
vic-v3-0362 | 829158386904182915686838690285858381286802816908221838681128583289486872189486685804869068090686382915686894911802898386908220832853 | 829158386904182915686838690285858381286802816908221838681128583289486872189486685804869068090686382915686894911802898386908220832853 | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 132 | 132 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0573 | GDDAGXFDXGAFDFGGGDAFAXGFGFXAAFDGDDDGFDGXAAFAXGXAGAAFDAAAFFDADAFFDFAGXAAGAAGGDGXAFGFXGDAADGFDAAGFFDDXXAAXAXXXDXGFAGGAAADXAAXFXDAAFGGDAFAAXAXADXXGGGXGDGDFXFDGFXFGAXFADDAGGDFDAXGDDDDDAGDFDFFXAGAXAXAADXGDGDAADDGAGDXDXGXFGAAGFFDAXDXFXADGAAFGXAXAXDXAGAADXAAGFGXFXGXGXFFFXGXDDDFAXFDFXDXAAGAAAA | GDDAGXFDXGAFDFGGGDAFAXGFGFXAAFDGDDDGFDGXAAFAXGXAGAAFDAAAFFDADAFFDFAGXAAGAAGGDGXAFGFXGDAADGFDAAGFFDDXXAAXAXXXDXGFAGGAAADXAAXFXDAAFGGDAFAAXAXADXXGGGXGDGDFXFDGFXFGAXFADDAGGDFDAXGDDDDDAGDFDFFXAGAXAXAADXGDGDAADDGAGDXDXGXFGAAGFFDAXDXFXADGAAFGXAXAXDXAGAADXAAGFGXFXGXGXFFFXGXDDDFAXFDFXDXAAGAAAA | 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 | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 286 | 286 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0434 | 86 25 49 74 47 76 29 66 45 65 85 59 67 35 63 97 67 68 65 27 66 55 68 65 24 67 26 46 52 36 65 28 86 65 57 84 47 46 52 24 63 29 88 54 56 67 28 76 74 45 97 46 49 72 57 75 28 86 34 24 83 38 68 65 63 87 59 68 62 24 97 38 70 42 65 66 27 80 53 47 76 58 79 | 86 25 49 74 47 76 29 66 45 65 85 59 67 35 63 97 67 68 65 27 66 55 68 65 24 67 26 46 52 36 65 28 86 65 57 84 47 46 52 24 63 29 88 54 56 67 28 76 74 45 97 46 49 72 57 75 28 86 34 24 83 38 68 65 63 87 59 68 62 24 97 38 70 42 65 66 27 80 53 47 76 58 79 | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 166 | 248 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0161 | 90 15 85 91 90 54 81 61 84 66 54 45 89 91 90 18 81 41 91 90 12 63 16 25 66 33 91 90 15 44 76 91 90 35 55 85 81 45 84 63 20 91 90 25 61 91 90 58 79 27 47 66 91 90 17 81 85 67 30 76 41 82 63 91 90 75 18 77 30 53 91 90 15 25 91 90 76 47 73 44 91 90 11 63 66 76 55 18 45 54 85 81 91 90 47 66 63 23 91 | 90 15 85 91 90 54 81 61 84 66 54 45 89 91 90 18 81 41 91 90 12 63 16 25 66 33 91 90 15 44 76 91 90 35 55 85 81 45 84 63 20 91 90 25 61 91 90 58 79 27 47 66 91 90 17 81 85 67 30 76 41 82 63 91 90 75 18 77 30 53 91 90 15 25 91 90 76 47 73 44 91 90 11 63 66 76 55 18 45 54 85 81 91 90 47 66 63 23 91 | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 198 | 296 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0451 | GAFAADDDDGAFDFXXVDVXGDDFAF | GAFAADDDDGAFDFXXVDVXGDDFAF | THE APPLE FALLS | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
hill-v3-0126 | RQVBKIQPTDQJVRZVQO | RQVBKIQPTDQJVRZVQO | DEAD MEN TELL NO TALES | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
diana-v3-0068 | YTJOPNNXZBTJLTUYMYKWTVLJFAUCMCNWKVWFJHFTLKNGAYJNAIJCWEZHJYRONOZTMYAAUCBYKSV | YTJOPNNXZBTJLTUYMYKWTVLJFAUCMCNWKVWFJHFTLKNGAYJNAIJCWEZHJYRONOZTMYAAUCBYKSV | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0094 | 0156 0918 0219 0285 0219 1421 1255 0012 0856 1346 0792 0538 1346 1346 0538 0918 0856 0538 0856 0219 0538 0156 0012 1421 0285 1346 0285 0856 0285 0792 1821 0347 0918 1255 0156 0285 1346 0012 1346 1346 0285 0792 0074 0729 0538 0856 0408 0012 0729 0918 0856 0408 1421 0472 0285 0074 0918 1255 0219 0285 1255 1672 0538 1421 ... | 0156 0918 0219 0285 0219 1421 1255 0012 0856 1346 0792 0538 1346 1346 0538 0918 0856 0538 0856 0219 0538 0156 0012 1421 0285 1346 0285 0856 0285 0792 1821 0347 0918 1255 0156 0285 1346 0012 1346 1346 0285 0792 0074 0729 0538 0856 0408 0012 0729 0918 0856 0408 1421 0472 0285 0074 0918 1255 0219 0285 1255 1672 0538 1421 ... | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 336 | 419 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0571 | MDIEREULKCIHVXXKCADCVESIJZSFWHHQVSIKFCPRYCWUIGWVROLFORXYTUXOHSEXALNYICXY | MDIEREULKCIHVXXKCADCVESIJZSFWHHQVSIKFCPRYCWUIGWVROLFORXYTUXOHSEXALNYICXY | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "THUNDER"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0156 | WFSDMJCULRDSTEACLTA | WFSDMJCULRDSTEACLTA | WISDOM GUARDS THE GATE | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0582 | SGFUFKKBPQBKBQBPLMQRRLKLPFLTHAQBFVFQEBPEKBTLQGFKTKHJJLHOLAPHOFIJLIFQKHJYKVFYQ | SGFUFKKBPQBKBQBPLMQRRLKLPFLTHAQBFVFQEBPEKBTLQGFKTKHJJLHOLAPHOFIJLIFQKHJYKVFYQ | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0230 | TZJOXIUEYPZIPEIPIPZZEVZTNTQCICYJBMYBJXITBWOURFGIPFPZYBKNYZWONPJMGDUXXQMYDZBMGIZDYYMVZZB | TZJOXIUEYPZIPEIPIPZZEVZTNTQCICYJBMYBJXITBWOURFGIPFPZYBKNYZWONPJMGDUXXQMYDZBMGIZDYYMVZZB | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0071 | 26188 26199 26102 26180 26198 26199 26187 26184 26181 26184 26198 26199 26194 26185 26199 26188 26192 26184 26198 26188 26199 26102 26180 26198 26180 26193 26180 26186 26184 26194 26185 26102 26188 26198 26183 26194 26192 26180 26193 26183 26180 26193 26180 26186 26184 26194 26185 26100 26199 26199 26184 26197 26185 26... | 26188 26199 26102 26180 26198 26199 26187 26184 26181 26184 26198 26199 26194 26185 26199 26188 26192 26184 26198 26188 26199 26102 26180 26198 26180 26193 26180 26186 26184 26194 26185 26102 26188 26198 26183 26194 26192 26180 26193 26183 26180 26193 26180 26186 26184 26194 26185 26100 26199 26199 26184 26197 26185 26... | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 315 | 377 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0157 | GMFYGKFSPBVS | GMFYGKFSPBVS | VENI VIDI VICI | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0157 | ZPCCQBBWPMVIQUHQKWHPSVGVRQFQAVASRCNQABRVRAVOQPBQYWOTQFVFYITKFCBNYMCCKTVUV | ZPCCQBBWPMVIQUHQKWHPSVGVRQFQAVASRCNQABRVRAVOQPBQYWOTQFVFYITKFCBNYMCCKTVUV | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
wheatstone-v3-0131 | TEANMJPLSSPMFKTSTRUA | TEANMJPLSSPMFKTSTRUA | THE COMPASS POINTS TRUE | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0344 | UUFBWARFWYF+GIIHHCDZQGHNC | UUFBWARFWYF+GIIHHCDZQGHNC | THE SHOT HEARD ROUND THE WORLD | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0466 | 97 47 76 45 56 64 27 59 43 24 67 37 67 54 47 67 27 59 32 23 66 49 49 32 43 76 27 49 43 36 73 59 67 45 45 65 56 47 34 36 63 59 79 33 23 67 38 87 45 25 73 28 46 45 45 96 67 48 54 57 85 25 66 33 34 66 28 69 54 57 96 38 59 62 56 97 28 76 45 57 84 26 80 66 44 76 35 49 72 23 83 46 47 73 36 64 49 88 33 33 96 26 46 36 65 85 49... | 97 47 76 45 56 64 27 59 43 24 67 37 67 54 47 67 27 59 32 23 66 49 49 32 43 76 27 49 43 36 73 59 67 45 45 65 56 47 34 36 63 59 79 33 23 67 38 87 45 25 73 28 46 45 45 96 67 48 54 57 85 25 66 33 34 66 28 69 54 57 96 38 59 62 56 97 28 76 45 57 84 26 80 66 44 76 35 49 72 23 83 46 47 73 36 64 49 88 33 33 96 26 46 36 65 85 49... | 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 | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 304 | 454 | cipher_museum | 2.0 | public | null | null |
cda-0013582 | ⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ | ⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | babington | babington | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
nihilist-v2-0123 | 52 48 28 57 48 87 80 43 60 47 28 36 67 | 52 48 28 57 48 87 80 43 60 47 28 36 67 | THE PASS IS HELD | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 26 | 38 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0541 | TODKHKKDTRRPEUSMIMZLHSCSCLFUKUTOKMRPWOOBOOCHTOKBBENDWHGVCSMUENFHRQTOGBQDDKQMQY | TODKHKKDTRRPEUSMIMZLHSCSCLFUKUTOKMRPWOOBOOCHTOKBBENDWHGVCSMUENFHRQTOGBQDDKQMQY | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
geez-monastic-076 | TOCQIOUCDKIWOJOCXT | TOCQIOUCDKIWOJOCXT | SEND REINFORCEMENTS | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v2-0121 | MFYXVRNHHRUKCDJQCLPBMTVZMRPGSTYALMVRJKNKKMRPAMTYALWMVTAALBVTLJHHVRLRUJZVEZQRGRMIURVGCLWPHXJDBGHRHPTJFVRTXSBNNRAYQBFLBBNNBWBSTFKALYHVBXHVLTTXWGTFMQVZKC | MFYXVRNHHRUKCDJQCLPBMTVZMRPGSTYALMVRJKNKKMRPAMTYALWMVTAALBVTLJHHVRLRUJZVEZQRGRMIURVGCLWPHXJDBGHRHPTJFVRTXSBNNRAYQBFLBBNNBWBSTFKALYHVBXHVLTTXWGTFMQVZKC | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0232 | XDVAGVAGDXGAAVAFGDFGAAFFDAAFAF | XDVAGVAGDXGAAVAFGDFGAAFFDAAFAF | THE WIND IS WITH US | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
porta-v2-0254 | TWEBTRPRRIBKOWPVJGMCHNQ | TWEBTRPRRIBKOWPVJGMCHNQ | CARTHAGE MUST BE DESTROYED | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cda-0020281 | AAABB ABAAA AABAB AABAB ABAAA AABAA AAAAA ABBAA AAABB AABBB AABAA ABABA ABABA ABABB AAAAA ABBAA ABAAA ABBAA BAABA BAAAA ABBAB AAABB BAABB AAABA AABAA AAABB ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAB AABAA BABBA AAABA BAAAA BABBA ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBA ABAAA ABBAA ABBAA ABAAA ABBAA AABAA BA... | AAABB ABAAA AABAB AABAB ABAAA AABAA AAAAA ABBAA AAABB AABBB AABAA ABABA ABABA ABABB AAAAA ABBAA ABAAA ABBAA BAABA BAAAA ABBAB AAABB BAABB AAABA AABAA AAABB ABBBA BAABB AAAAB ABABA ABAAA AAABA ABAAB AABAA BABBA AAABA BAAAA BABBA ABBBA BAABA ABBAB AABBA BAAAA AAAAA ABBBA AABBB BABBA ABAAA ABBAA ABBAA ABAAA ABBAA AABAA BA... | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS CAREFULLY | bacon_cipher | bacon_cipher | null | {} | hard | en | 925 | 925 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0015931 | CLA-GI-AIH / A-KHA / DIBEH-YAZZIE / TSAH-AS-ZIH / SHUSH / TKIN / NO-DA-IH / DIBEH / DZEH / TSAH / MOASI / A-KHA / BE / DZEH / BE / DIBEH-YAZZIE / DZEH / THAN-ZIE / THAN-ZIE / DZEH / GAH / DIBEH / WOL-LA-CHEE / DIBEH / CLA-GI... | CLA-GI-AIH / A-KHA / DIBEH-YAZZIE / TSAH-AS-ZIH / SHUSH / TKIN / NO-DA-IH / DIBEH / DZEH / TSAH / MOASI / A-KHA / BE / DZEH / BE / DIBEH-YAZZIE / DZEH / THAN-ZIE / THAN-ZIE / DZEH / GAH / DIBEH / WOL-LA-CHEE / DIBEH / CLA-GI... | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS ALWAYS | navajo_code | navajo_code | null | {} | hard | en | 210 | 210 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
fractionated-morse-259 | GJQGPOOBKGAGCWIFSG | GJQGPOOBKGAGCWIFSG | NO PRISONERS TAKEN | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "CRYPTIC"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
playfair-v2-1032 | WGPCTCODWGRMBFNMFZQCIFAURQPRWHFPCFGPNTMCESGPFPACPFFSIGIKHNDPSMGWDIPRMZIGRQECWGCSIFPN | WGPCTCODWGRMBFNMFZQCIFAURQPRWHFPCFGPNTMCESGPFPACPFFSIGIKHNDPSMGWDIPRMZIGRQECWGCSIFPN | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0213 | DWVRUMFWHLHPILXL | DWVRUMFWHLHPILXL | SOUND THE TRUMPETS | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0183 | AFDAAFFAGDFXXXFGDGGXGAFGFGDAAAFFGAGGGFAAXGDDFDAAXFGGDADDDDDAAAAAFGDAGFAXADGADFGAAAGDGXDXFXFDGGADFXDGADDFGDDXDDGAAGDADADGXFFFAFDAAGAFAADAXDFGAXXGAAGFDGXAAA | AFDAAFFAGDFXXXFGDGGXGAFGFGDAAAFFGAGGGFAAXGDDFDAAXFGGDADDDDDAAAAAFGDAGFAXADGADFGAAAGDGXDXFXFDGGADFXDGADDFGDDXDDGAAGDADADGXFFFAFDAAGAFAADAXDFGAXXGAAGFDGXAAA | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0258 | THELIGHTYOUSEEFROMDISTANTSTARSLEFTTHOSESUNSTHOUSANDSOFYEARSBEFOREYOURBIRTH | THELIGHTYOUSEEFROMDISTANTSTARSLEFTTHOSESUNSTHOUSANDSOFYEARSBEFOREYOURBIRTH | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
morse-code-060 | -.-. .-. -.-- .--. - .- -. .- .-.. -.-- ... .. ... / .. ... / - .... . / .- .-. - / --- ..-. / -... .-. . .- -.- .. -. --. / -.-. --- -.. . ... / .-- .. - .... --- ..- - / - .... . / -.- . -.-- / .- -. -.. / .. - / .... .- ... / -... . . -. / .--. .-. .- -.-. - .. -.-. . -.. / ..-. --- .-. / .- ... / .-.. --- -. --. / ... | -.-. .-. -.-- .--. - .- -. .- .-.. -.-- ... .. ... / .. ... / - .... . / .- .-. - / --- ..-. / -... .-. . .- -.- .. -. --. / -.-. --- -.. . ... / .-- .. - .... --- ..- - / - .... . / -.- . -.-- / .- -. -.. / .. - / .... .- ... / -... . . -. / .--. .-. .- -.-. - .. -.-. . -.. / ..-. --- .-. / .- ... / .-.. --- -. --. / ... | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 405 | 580 | cipher_museum | 0.2 | public | null | null |
hill-v3-0073 | GXYOWUJGTSOXUMGSDNXZOXCQLVDVVQWLTFPFOXGSHXOXNNAVPYNOKSUMYMTFOQVOKRXMGEKRBJUGZG | GXYOWUJGTSOXUMGSDNXZOXCQLVDVVQWLTFPFOXGSHXOXNNAVPYNOKSUMYMTFOQVOKRXMGEKRBJUGZG | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0254 | DGDGDFAFDFDAGGXXAFFFFFAADDADDAGGFADAGFAAFGGFFFADAXDGFGAFGAGFDFAFDGDAXADDDDFDAFFADFAADFDDXDDGDAFFDDADFADDDADDDDFFFGAAGFXAFAFAAGGGAXAXDAFFGDAFAGXXXDDD | DGDGDFAFDFDAGGXXAFFFFFAADDADDAGGFADAGFAAFGGFFFADAXDGFGAFGAGFDFAFDGDAXADDDDFDAFFADFAADFDDXDDGDAFFDDADFADDDADDDDFFFGAAGFXAFAFAAGGGAXAXDAFFGDAFAGXXXDDD | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
cda-0014023 | stage units below scout track inner turns under track issue opens naval carry inner point hours exact raids scout moved after parts early array cross | stage units below scout track inner turns under track issue opens naval carry inner point hours exact raids scout moved after parts early array cross | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | 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. |
columnar-transposition-v2-0157 | IVVEINCVDIII | IVVEINCVDIII | VENI VIDI VICI | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
typex-v2-0497 | ESVZEMDVDQACWQMZWBDLFFGYLWRVOIIDIAGRRNSRZBDHHMGIBCYWVUETGXRAIUVMIRFYYHMAYVGDWGPOLWQKKZDADWGMCTZJNQXXLSWVTBTYJEQLNZWCYMJTYUTGGURQRBNYDGATMUWUYIIBOVSCZUNBSYOCXOXUOSGPYDOCWCKBBQG | ESVZEMDVDQACWQMZWBDLFFGYLWRVOIIDIAGRRNSRZBDHHMGIBCYWVUETGXRAIUVMIRFYYHMAYVGDWGPOLWQKKZDADWGMCTZJNQXXLSWVTBTYJEQLNZWCYMJTYUTGGURQRBNYDGATMUWUYIIBOVSCZUNBSYOCXOXUOSGPYDOCWCKBBQG | 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 | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 175 | 175 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0306 | QNCQAGNTLHAQDRSSBUANDBSALL | QNCQAGNTLHAQDRSSBUANDBSALL | THE PRINTING PRESS CHANGES ALL | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
polybius-v2-0074 | 44 23 15 42 15 22 24 32 15 33 44 43 23 11 31 31 11 14 51 11 33 13 15 11 44 21 24 42 43 44 31 24 22 23 44 43 45 35 35 34 42 44 15 14 12 54 11 42 44 24 31 31 15 42 54 34 33 44 23 15 15 11 43 44 15 42 33 21 31 11 33 25 44 34 14 11 54 | 44 23 15 42 15 22 24 32 15 33 44 43 23 11 31 31 11 14 51 11 33 13 15 11 44 21 24 42 43 44 31 24 22 23 44 43 45 35 35 34 42 44 15 14 12 54 11 42 44 24 31 31 15 42 54 34 33 44 23 15 15 11 43 44 15 42 33 21 31 11 33 25 44 34 14 11 54 | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 154 | 230 | cipher_museum | 2.0 | public | null | null |
cda-0020738 | 13.8.3 3.42.3 1.32.3 7.29.5 20.31.3 1.50.9 11.35.11 2.34.15 8.37.6 3.21.2 11.4.6 3.38.15 4.42.3 2.31.9 16.34.4 9.21.5 20.11.13 8.31.14 20.48.7 9.10.6 17.37.2 15.35.3 18.12.7 5.44.7 17.8.13 5.32.8 6.21.5 20.1.14 18.4.9 15.25.4 12.16.10 17.3.13 9.27.15 14.6.3 11.4.8 8.42.4 17.41.10 6.47.4 7.26.9 11.49.11 14.39.10 20.14.1... | 13.8.3 3.42.3 1.32.3 7.29.5 20.31.3 1.50.9 11.35.11 2.34.15 8.37.6 3.21.2 11.4.6 3.38.15 4.42.3 2.31.9 16.34.4 9.21.5 20.11.13 8.31.14 20.48.7 9.10.6 17.37.2 15.35.3 18.12.7 5.44.7 17.8.13 5.32.8 6.21.5 20.1.14 18.4.9 15.25.4 12.16.10 17.3.13 9.27.15 14.6.3 11.4.8 8.42.4 17.41.10 6.47.4 7.26.9 11.49.11 14.39.10 20.14.1... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS ALWAYS | book_cipher | book_cipher | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
argenti-v2-0108 | 35 66 14 41 45 57 25 72 71 22 73 32 49 16 82 69 51 65 30 88 35 66 14 43 13 41 57 21 72 73 59 87 32 82 16 53 25 49 66 14 43 15 72 21 23 51 22 44 75 66 30 73 41 88 82 72 52 43 14 57 44 79 65 34 52 66 18 22 75 24 44 73 32 75 88 22 14 41 88 21 72 79 43 73 53 22 14 39 44 75 73 82 66 19 88 65 51 14 32 87 72 30 66 44 41 73 43... | 35 66 14 41 45 57 25 72 71 22 73 32 49 16 82 69 51 65 30 88 35 66 14 43 13 41 57 21 72 73 59 87 32 82 16 53 25 49 66 14 43 15 72 21 23 51 22 44 75 66 30 73 41 88 82 72 52 43 14 57 44 79 65 34 52 66 18 22 75 24 44 73 32 75 88 22 14 41 88 21 72 79 43 73 53 22 14 39 44 75 73 82 66 19 88 65 51 14 32 87 72 30 66 44 41 73 43... | 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 | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 286 | 428 | cipher_museum | 2.0 | public | null | null |
cda-0016824 | ... .. ... .... . .... . ..... .... .. ... ... . ..... ... ... . ... .... .. ..... .... ... ..... .... .... .. .... ... .... ... ... .. .... .... ... ... ... ... .... .... .... . .. .... .. ... .... . ... . ..... ... ... . .. ..... .... ... . . ..... .... .... .... .... . ..... .... ..... | ... .. ... .... . .... . ..... .... .. ... ... . ..... ... ... . ... .... .. ..... .... ... ..... .... .... .. .... ... .... ... ... .. .... .... ... ... ... ... .... .... .... . .. .... .. ... .... . ... . ..... ... ... . .. ..... .... ... . . ..... .... .... .... .... . ..... .... ..... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | tap_code | tap_code | null | {} | hard | en | 139 | 139 | 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. |
red-type-a-209 | KINQPURHYKXVAKAV | KINQPURHYKXVAKAV | LOCK DOWN ALL GATES | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0014841 | SHED YDAI INQO KEED YKAI IINO TOLD AIIN AIII NOXE DOKE EDYS HEOL DAIN YAII INCT AIIN OKEE DYQO KEED YQOT EDYS HEDY YTAI INDA IINQ OKEE DYDA INYS HEDY RCHE OLDA INYO TAIN CHED ALRC HEOL SHAR ALDA IINR CHEO LCHE DYOT OLSH ARAL CHOL DAII NRAI INOT AINS HORC HOLD AIIN YTED YQOK ALQO TEDY CHOL CHOL CTAI INOK SHY | SHED YDAI INQO KEED YKAI IINO TOLD AIIN AIII NOXE DOKE EDYS HEOL DAIN YAII INCT AIIN OKEE DYQO KEED YQOT EDYS HEDY YTAI INDA IINQ OKEE DYDA INYS HEDY RCHE OLDA INYO TAIN CHED ALRC HEOL SHAR ALDA IINR CHEO LCHE DYOT OLSH ARAL CHOL DAII NRAI INOT AINS HORC HOLD AIIN YTED YQOK ALQO TEDY CHOL CHOL CTAI INOK SHY | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | voynich_render | voynich_render | null | {} | hard | en | 247 | 247 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0019159 | 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 1 14 1 6 6 9 14 5 3 9 16 8 5 18 1 16 16 12 9 5 19 1 12 9 14 5 1 18 6 21 14 3 20 9 15 14 20 15 5 1 3 8 12 5 20 20 5 18 20 8 5 20 18 9 20 8 5 13 9 21 19 3 9 16 8 5 18 1 4 22 1 14 3 5 19 20 8 5 1 12 16 8 1 2 5 2... | 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 14 20 22 5 18 9 6 9 3 1 20 9 15 14 1 14 1 6 6 9 14 5 3 9 16 8 5 18 1 16 16 12 9 5 19 1 12 9 14 5 1 18 6 21 14 3 20 9 15 14 20 15 5 1 3 8 12 5 20 20 5 18 20 8 5 20 18 9 20 8 5 13 9 21 19 3 9 16 8 5 18 1 4 22 1 14 3 5 19 20 8 5 1 12 16 8 1 2 5 2... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 152 | 152 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
one-time-pad-v2-0052 | GFPHVFRNZJXETNGIQBWGPDYHQAUSIWLJMYMJDCUISGYJFHQJLBLERPOLXXYVCAMPFBHWUJWT | GFPHVFRNZJXETNGIQBWGPDYHQAUSIWLJMYMJDCUISGYJFHQJLBLERPOLXXYVCAMPFBHWUJWT | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0013091 | ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w... | ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w22⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE INDEX OF COINCIDENCE IS A USEFUL CLUE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | babington | babington | null | {} | hard | en | 115 | 115 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
cda-0021232 | 42 34 45 44 15 13 24 35 23 15 42 43 42 15 11 14 11 22 42 24 14 24 33 11 35 42 15 43 13 42 24 12 15 14 22 15 34 32 15 44 42 24 13 35 11 44 44 15 42 33 35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23 14 24 22 42 11 35 23 11 33 14 44 42 24... | 42 34 45 44 15 13 24 35 23 15 42 43 42 15 11 14 11 22 42 24 14 24 33 11 35 42 15 43 13 42 24 12 15 14 22 15 34 32 15 44 42 24 13 35 11 44 44 15 42 33 35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23 14 24 22 42 11 35 23 11 33 14 44 42 24... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | polybius | polybius | null | {} | hard | en | 179 | 179 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
purple-v3-0253 | LWEFXFPMWQLWOMXLWALJ | LWEFXFPMWQLWOMXLWALJ | STEAM POWER TRANSFORMS | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0084 | FVGGFGADVDDADXVFAAADFDXAXFAFDADDAGDAAAFAAGAGGFDFDFAAAFVFGAXXDDGDFAFVFVGFFFAGGAAAFGFFAGAFFGFAFAFDFGFFFAAAGFAFADADGAFFAFGAADVGXFDXVDFVGGVFVFVGXVDDDDXA | FVGGFGADVDDADXVFAAADFDXAXFAFDADDAGDAAAFAAGAGGFDFDFAAAFVFGAXXDDGDFAFVFVGFFFAGGAAAFGFFAGAFFGFAFAFDFGFFFAAAGFAFADADGAFFAFGAADVGXFDXVDFVGGVFVFVGXVDDDDXA | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0202 | FLWFHVBLHGFQGIHWHRHWAOTNTXHURLWJNDWVGLSNQDWWIBYZLKALVFFUHVJXWFATPONJQAYMNQQBK | FLWFHVBLHGFQGIHWHRHWAOTNTXHURLWJNDWVGLSNQDWWIBYZLKALVFFUHVJXWFATPONJQAYMNQQBK | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
sigaba-107 | QSSIGMXMSMVSIPHUSAQUTAZOMCTWVYMKEHRXXOAUEPFXCXFHJ | QSSIGMXMSMVSIPHUSAQUTAZOMCTWVYMKEHRXXOAUEPFXCXFHJ | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | sigaba | sigaba | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
babington-019 | ⟨a20⟩ ⟨a04⟩ ⟨n03⟩ ⟨w13⟩ ⟨a16⟩ ⟨a20⟩ ⟨a15⟩ ⟨a13⟩ ⟨w18⟩ ⟨a15⟩ ⟨a07⟩ | ⟨a20⟩ ⟨a04⟩ ⟨n03⟩ ⟨w13⟩ ⟨a16⟩ ⟨a20⟩ ⟨a15⟩ ⟨a13⟩ ⟨w18⟩ ⟨a15⟩ ⟨a07⟩ | TRUST NO ONE | babington | babington | nomenclator | {
"type": "seed",
"value": "BABINGTON"
} | expert | en | 55 | 65 | cipher_museum | 0.2 | public | null | null |
bazeries-329 | KGETKYJUGFAGPFOS | KGETKYJUGFAGPFOS | LOCK DOWN ALL GATES | bazeries | bazeries | transposition | {
"type": "integer",
"value": 56
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v3-0087 | QGL LXUHDY DYOGUXL GYM YX YZQVCXCDUOYE XIDPLV CJ BCZZUPEL ZLQQUXHZ DYWUXH UQ ZLLD IXPVLYWYPEL | QGL LXUHDY DYOGUXL GYM YX YZQVCXCDUOYE XIDPLV CJ BCZZUPEL ZLQQUXHZ DYWUXH UQ ZLLD IXPVLYWYPEL | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 80 | 93 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0019 | THEALCHEMISTSUCCEEDS | THEALCHEMISTSUCCEEDS | THE ALCHEMIST SUCCEEDS | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0020433 | JILD USMF DSPL TOFK MEQY SQLQ KHXA NUMG FCDD RMDD QBBJ PDKS FSFQ RXOD KORT TYSW ROUV GAPY PPAS RSEA VXRD QZAP LEMB RHBL CETG KJFO VSHH MRDF BEJP MKMW EFPW TIAC PLSF YZDY RKVJ IQOD CUKI BIGQ DOIQ LDMM QKVG HIES NYFC KB | JILD USMF DSPL TOFK MEQY SQLQ KHXA NUMG FCDD RMDD QBBJ PDKS FSFQ RXOD KORT TYSW ROUV GAPY PPAS RSEA VXRD QZAP LEMB RHBL CETG KJFO VSHH MRDF BEJP MKMW EFPW TIAC PLSF YZDY RKVJ IQOD CUKI BIGQ DOIQ LDMM QKVG HIES NYFC KB | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | one_time_pad | one_time_pad | null | {} | hard | en | 174 | 174 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
straddling-checkerboard-v2-0304 | 24226220128240164251341272267389273207202442522240221408732208365745702262305298433572092245425223221 | 24226220128240164251341272267389273207202442522240221408732208365745702262305298433572092245425223221 | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 101 | 101 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0593 | MJRDENJPVWAWNEHQSKXNLCJPEMSJPVQXAFPMRGEDPWSCDEXJELCJPNATWMURTRDVSFMTQENATPPELCTESSGHPSCLSGMAM | MJRDENJPVWAWNEHQSKXNLCJPEMSJPVQXAFPMRGEDPWSCDEXJELCJPNATWMURTRDVSFMTQENATPPELCTESSGHPSCLSGMAM | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 93 | 93 | cipher_museum | 2.0 | public | null | null |
cda-0005729 | TDTE FDEE GTKS ECIU MHEA SNON TEHX YICI DENF RTSE NEML XXEA TCXT EIES HOIO TNX | TDTE FDEE GTKS ECIU MHEA SNON TEHX YICI DENF RTSE NEML XXEA TCXT EIES HOIO TNX | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | stager_route | stager_route | null | {
"cols": 7
} | medium | en | 63 | 63 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
lorenz-v2-0115 | TIMESAREBADCHILDRENNOLONCEROBEYTGEIRPERENTSANDEVERYONAISWRITINGABOOKITSEEMSSOMETHAXTHEYOQNGHAVEALWAYSANDWILLALWEYSBEANVNRULYGENERATIONFULLOBBOOLISHNESS | TIMESAREBADCHILDRENNOLONCEROBEYTGEIRPERENTSANDEVERYONAISWRITINGABOOKITSEEMSSOMETHAXTHEYOQNGHAVEALWAYSANDWILLALWEYSBEANVNRULYGENERATIONFULLOBBOOLISHNESS | 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 | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0252 | XFAAFAVDFDFVDGADGDGDDDDDAADAXADVAG | XFAAFAVDFDFVDGADGDGDDDDDAADAXADVAG | THE RAILWAY ARRIVES | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0243 | WPBITSTBNEOTP | WPBITSTBNEOTP | THE APPLE FALLS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0095 | 4HPATIXWDLJG6OZSRDLDPLCSPRPRKRLRYOPMJHYARAEE6EPKNLFCIXIEHEPSHLACCV6YFNJ44HPITSLAEOPWPNITFVLEIA2WBF2ARMBNZMCVNH2OWXLSLNBKOJPCRM2EZWKPEBPDKW4RDBWXLDYOAKDMLNBA6SLTRDLC2OQWHNN | 4HPATIXWDLJG6OZSRDLDPLCSPRPRKRLRYOPMJHYARAEE6EPKNLFCIXIEHEPSHLACCV6YFNJ44HPITSLAEOPWPNITFVLEIA2WBF2ARMBNZMCVNH2OWXLSLNBKOJPCRM2EZWKPEBPDKW4RDBWXLDYOAKDMLNBA6SLTRDLC2OQWHNN | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 171 | 171 | cipher_museum | 2.0 | public | null | null |
cda-0012101 | 91 17 33 67 23 11 60 96 22 50 11 26 81 43 43 88 45 86 78 94 23 34 33 68 17 22 40 33 25 88 26 64 46 1 49 30 43 | 91 17 33 67 23 11 60 96 22 50 11 26 81 43 43 88 45 86 78 94 23 34 33 68 17 22 40 33 25 88 26 64 46 1 49 30 43 | THE BEST LESSONS SHOW WHERE THE METHOD FAILS | homophonic | homophonic | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0003900 | TIGYM LKUMA ONUCV THLKX MVNBN DAUKQ KPKFE XBORE SFKVF VSVJX JXSJU FESXL DNKWI ROZSZ HAYMO LZRES XDFQK LDRNP ZPSRE DWLVZ BLPDC PPIMI KUKND SQSCJ HJINU MAZGO HFTXW JYAEX UPKJC GTGGE SWERQ RQVCU IXZVL JI | TIGYM LKUMA ONUCV THLKX MVNBN DAUKQ KPKFE XBORE SFKVF VSVJX JXSJU FESXL DNKWI ROZSZ HAYMO LZRES XDFQK LDRNP ZPSRE DWLVZ BLPDC PPIMI KUKND SQSCJ HJINU MAZGO HFTXW JYAEX UPKJC GTGGE SWERQ RQVCU IXZVL JI | THE VIGENERE CIPHER USES A REPEATING KEYWORD FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES TODAY | trithemius | trithemius | null | {} | hard | en | 167 | 167 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
lorenz-v3-0274 | DOUNTOOTHERSASYOUWOULDHAVETHEMDOUNTOYOUTHISISTHEGOLDENRULEOFALLRELIGIONS | DOUNTOOTHERSASYOUWOULDHAVETHEMDOUNTOYOUTHISISTHEGOLDENRULEOFALLRELIGIONS | 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": "COLOSSUS"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0193 | 129 173 177 179 118 100 129 128 167 129 100 100 166 119 169 160 126 158 102 173 177 155 143 153 128 112 152 119 173 177 150 136 173 152 119 119 115 146 105 179 114 114 161 170 131 135 138 142 173 177 149 143 156 124 181 177 138 | 129 173 177 179 118 100 129 128 167 129 100 100 166 119 169 160 126 158 102 173 177 155 143 153 128 112 152 119 173 177 150 136 173 152 119 119 115 146 105 179 114 114 161 170 131 135 138 142 173 177 149 143 156 124 181 177 138 | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 171 | 227 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0752 | TDA WEKR ES WETD US | TDA WEKR ES WETD US | THE WIND IS WITH US | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "HONOR"
} | beginner | en | 15 | 19 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1509 | ZWSVIMSJLWJK XAJKL SJEQ UGJHK GJVWJK XGJ GULGTWJ XGMJLZ FAFWLWWF WAYZLWWF LZW UGJHK OADD SLLSUC SL RWJG ZGMJ OALZ SDD SNSADSTDW XGJUWK LZW GTBWULANW AK LZW JAVYW GNWJDGGCAFY LZW SJYGFFW XGJWKL | ZWSVIMSJLWJK XAJKL SJEQ UGJHK GJVWJK XGJ GULGTWJ XGMJLZ FAFWLWWF WAYZLWWF LZW UGJHK OADD SLLSUC SL RWJG ZGMJ OALZ SDD SNSADSTDW XGJUWK LZW GTBWULANW AK LZW JAVYW GNWJDGGCAFY LZW SJYGFFW XGJWKL | 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 | caesar | caesar | substitution | {
"type": "shift",
"value": 18
} | beginner | en | 163 | 192 | cipher_museum | 2.0 | public | null | null |
cda-0005366 | CRVASGDDNRHNIESRNTECENAERNENEOBOHARLUSPAMDBIRNESXTKEOOAEYSTLOPMETAOYALBURHCVISNETSRI | CRVASGDDNRHNIESRNTECENAERNENEOBOHARLUSPAMDBIRNESXTKEOOAEYSTLOPMETAOYALBURHCVISNETSRI | ATBASH ENCODES BY REVERSING THE ALPHABET COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER NEVER | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "PALACE"
} | hard | en | 84 | 84 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
trifid-vg-0030 | XJBRJDDRVSKLPUANBEBWWBVRARAKRKCTNNTFHNIJHR+WK+WZYLFNMEVGIVNLYT+RVN | XJBRJDDRVSKLPUANBEBWWBVRARAKRKCTNNTFHNIJHR+WK+WZYLFNMEVGIVNLYT+RVN | STAND FIRM AND DO NOT LET YOURSELVES BE BURDENED AGAIN BY A YOKE OF SLAVERY TO SIN | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0107 | 131 160 138 172 124 127 128 174 111 166 181 143 175 102 169 138 172 152 154 171 100 160 138 131 106 142 123 138 172 136 182 151 171 173 167 131 170 108 157 108 147 166 124 148 152 129 140 167 128 161 178 166 133 143 142 164 166 143 124 143 168 119 181 174 129 107 158 138 167 175 128 174 116 174 155 142 122 179 108 178 ... | 131 160 138 172 124 127 128 174 111 166 181 143 175 102 169 138 172 152 154 171 100 160 138 131 106 142 123 138 172 136 182 151 171 173 167 131 170 108 157 108 147 166 124 148 152 129 140 167 128 161 178 166 133 143 142 164 166 143 124 143 168 119 181 174 129 107 158 138 167 175 128 174 116 174 155 142 122 179 108 178 ... | 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 | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 318 | 423 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0456 | YRSBHHLEOUTKVHTHLIMUYRSBAARMEQVBIQDFIVEQNABQKGASTALPFUTRCRPNQALNERZTUPTPKQODSBRSBBEPMTUQSPQQNYGLLPHBCKCQEPFUYGURZHRMGCLPINCKOQLSFUHUTBKKQXMQLUSX | YRSBHHLEOUTKVHTHLIMUYRSBAARMEQVBIQDFIVEQNABQKGASTALPFUTRCRPNQALNERZTUPTPKQODSBRSBBEPMTUQSPQQNYGLLPHBCKCQEPFUYGURZHRMGCLPINCKOQLSFUHUTBKKQXMQLUSX | 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 | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0018 | PMUGVSZIWCEEKULLABA | PMUGVSZIWCEEKULLABA | TREACHERY IN THE COURT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ABC"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
culper-ring-v2-0054 | 194 101 100 998 815 814 819 814 812 800 802 999 998 802 817 814 818 818 804 818 999 100 998 817 800 815 815 800 807 800 813 813 814 802 810 999 255 998 800 801 818 814 811 820 819 804 999 998 818 808 811 804 813 802 804 999 106 998 808 812 815 804 817 800 819 808 821 804 999 162 | 194 101 100 998 815 814 819 814 812 800 802 999 998 802 817 814 818 818 804 818 999 100 998 817 800 815 815 800 807 800 813 813 814 802 810 999 255 998 800 801 818 814 811 820 819 804 999 998 818 808 811 804 813 802 804 999 106 998 808 812 815 804 817 800 819 808 821 804 999 162 | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 210 | 279 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0095 | 108 169 138 165 175 133 119 137 125 166 182 172 150 102 123 116 141 152 154 133 145 144 119 181 106 138 179 143 119 171 173 167 142 178 103 181 143 100 125 141 100 166 125 135 152 108 178 177 143 161 133 166 119 137 134 138 166 138 175 157 141 175 108 178 119 138 133 169 163 157 172 128 174 108 127 122 154 175 172 162 ... | 108 169 138 165 175 133 119 137 125 166 182 172 150 102 123 116 141 152 154 133 145 144 119 181 106 138 179 143 119 171 173 167 142 178 103 181 143 100 125 141 100 166 125 135 152 108 178 177 143 161 133 166 119 137 134 138 166 138 175 157 141 175 108 178 119 138 133 169 163 157 172 128 174 108 127 122 154 175 172 162 ... | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 411 | 547 | cipher_museum | 2.0 | public | null | null |
vernam-010 | QTGZLSZOYBUUNPBXJWOQF | QTGZLSZOYBUUNPBXJWOQF | THE PACKAGE IS DELIVERED | vernam | vernam | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
playfair-v3-0837 | HPNMDPGWGPPFGPNMOGPNRAWLTRCOPGZPCPYRPNIGPLWFFSIGOEULAEOUWICSHORQFCMKIDUCSGIBSIDOHPPACRPHEMBFNMIEDRAEDCCZMPFZPEPNMCPFWQMRHPBFEUNMNMBGRMIRMFQWSIDPCTFSIGUAEKNTAESICTFPQY | HPNMDPGWGPPFGPNMOGPNRAWLTRCOPGZPCPYRPNIGPLWFFSIGOEULAEOUWICSHORQFCMKIDUCSGIBSIDOHPPACRPHEMBFNMIEDRAEDCCZMPFZPEPNMCPFWQMRHPBFEUNMNMBGRMIRMFQWSIDPCTFSIGUAEKNTAESICTFPQY | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 166 | 166 | cipher_museum | 2.0 | public | null | null |
cda-0020947 | .... .... .. ... . ..... . . .... ..... .... .... ... .... . ... . ..... ..... .... . ... .. .... ... ..... .. ... . ..... .... .. . ..... ..... ... .... .... . ..... ... ... . .... .... ... .... .... .. ... . ..... . ... . ..... ..... .... ..... .. .. .... .... .... .. ... .... .... .... | .... .... .. ... . ..... . . .... ..... .... .... ... .... . ... . ..... ..... .... . ... .. .... ... ..... .. ... . ..... .... .. . ..... ..... ... .... .... . ..... ... ... . .... .... ... .... .... .. ... . ..... . ... . ..... ..... .... ..... .. .. .... .... .... .. ... .... .... .... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF FAIL CLOSED IS A POSTURE NOT A SLOGAN THE BEST LESSONS SHOW WHERE THE METHOD FAILS | tap_code | tap_code | null | {} | hard | en | 118 | 118 | 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. |
diana-193 | IHOSWHYDQACZIUB | IHOSWHYDQACZIUB | ENEMY FORCES NEAR | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
four-square-v2-0295 | INHZPSQYKQTSGSDDEQYLNRUKOMNQXLGQXAUNYLNRUKOMNQXTIGULBGQWKQQLTTVTGSTGVUXQ | INHZPSQYKQTSGSDDEQYLNRUKOMNQXLGQXAUNYLNRUKOMNQXTIGULBGQWKQQLTTVTGSTGVUXQ | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0012061 | 35 45 12 31 24 13 24 33 21 42 11 43 44 42 45 13 44 45 42 15 14 15 43 15 42 51 15 43 13 11 42 15 21 45 31 14 15 43 24 22 33 44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 44 23 15 35 31 11 54 21 11 24 42 13... | 35 45 12 31 24 13 24 33 21 42 11 43 44 42 45 13 44 45 42 15 14 15 43 15 42 51 15 43 13 11 42 15 21 45 31 14 15 43 24 22 33 44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 44 23 15 35 31 11 54 21 11 24 42 13... | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | polybius | polybius | null | {} | hard | en | 189 | 189 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
cda-0018972 | HUMAN READX BLEOU TPUTX HOULD SHOWX LLREA SONIZ GSTEP SASTZ ONGCX AIMNZ EDSST RONGE VIDEN CECOL UMNAR TRANX POSIZ IONRZ ADSCO LUMNS INKEX ORDEX PERHX PSCZX | HUMAN READX BLEOU TPUTX HOULD SHOWX LLREA SONIZ GSTEP SASTZ ONGCX AIMNZ EDSST RONGE VIDEN CECOL UMNAR TRANX POSIZ IONRZ ADSCO LUMNS INKEX ORDEX PERHX PSCZX | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A STRONG CLAIM NEEDS STRONG EVIDENCE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER PERHAPS | commercial_code | commercial_code | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
adfgx-v3-0305 | FDDGAGGDXAXAGAXAAAFFAXFA | FDDGAGGDXAXAGAXAAAFFAXFA | GOLD FROM LEAD | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
bazeries-360 | NTLWFPFJWGCOCOPOSBNFKPIXSNEFJCTAYKOSCUBPQKPPSBSEFWYJPCFBIOSSLJFNPTTCYSKXFNGOJKFAPOSBSNFBSRSIJSKTSYPOIKSNEFBPBSOCKPWNXKNTLWKPKGWAOCIFPFGPKSUXPCO | NTLWFPFJWGCOCOPOSBNFKPIXSNEFJCTAYKOSCUBPQKPPSBSEFWYJPCFBIOSSLJFNPTTCYSKXFNGOJKFAPOSBSNFBSRSIJSKTSYPOIKSNEFBPBSOCKPWNXKNTLWKPKGWAOCIFPFGPKSUXPCO | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 56
} | advanced | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
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