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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
vernam-v2-0020 | EYVUEHZPWWZZUAHRXRFZYY | EYVUEHZPWWZZUAHRXRFZYY | EXTRACTION POINT CHANGED | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0616 | PAHIKFXORPDNUFPRHUUFPFFRLRLIENXPOVNDXQGEFHRPINEFRPKNAIBRLEHNGPIHWDPBXPOTNHOZ | PAHIKFXORPDNUFPRHUUFPFFRLRLIENXPOVNDXQGEFHRPINEFRPKNAIBRLEHNGPIHWDPBXPOTNHOZ | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
running-key-v2-0048 | AVXTKRPBTITHONFUGV | AVXTKRPBTITHONFUGV | ENEMY RETREATS NORTH | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Lincoln Second Inaugural"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0379 | LASQMAIDNSLH | LASQMAIDNSLH | THE DIE IS CAST | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0290 | YLRVXMAOQXEZWYMOLFCDDY | YLRVXMAOQXEZWYMOLFCDDY | FLEET ASSEMBLES AT HARBOR | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
lorenz-148 | RALLYATDAWN | RALLYATDAWN | RALLY AT DAWN | lorenz | lorenz | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
adfgvx-v3-0040 | VVAAXDFAGFFA | VVAAXDFAGFFA | EUREKA | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0557 | RXJHKHOPHTOLHQOLMHKBULJYOFVLQEXQQHEYTEOSIPXOGFUFKLTPFAYHJOBRGSRHAQQAEBPGEKB | RXJHKHOPHTOLHQOLMHKBULJYOFVLQEXQQHEYTEOSIPXOGFUFKLTPFAYHJOBRGSRHAQQAEBPGEKB | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0016 | SYLXEDPUSIJKROIPZN | SYLXEDPUSIJKROIPZN | ARCHERS TO THE WALLS | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0139 | GLIKOCZYILIHU | GLIKOCZYILIHU | THE APPLE FALLS | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
typex-v2-0200 | JZRZKKHVOVYQRRLGTXNDKXQNVKUYLYDCWZSMTWRGLZUHSQMZFYFIZKBOJQIEZDEKFAQLZFGZVQHSM | JZRZKKHVOVYQRRLGTXNDKXQNVKUYLYDCWZSMTWRGLZUHSQMZFYFIZKBOJQIEZDEKFAQLZFGZVQHSM | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0068 | B1 L1 R8 A6 C5 O8 K4 T1 C3 M6 O1 B6 B3 C0 A9 P6 T7 H2 N6 S0 X7 Q1 S6 P9 I5 J9 P2 K4 T8 X2 T2 L5 Q8 O6 B6 Q7 P6 P2 C7 I6 T9 L1 K4 P5 M2 B6 C8 R1 K7 A6 O5 C9 Q3 R7 T8 O4 R1 S3 R7 B2 M8 G7 U4 R7 I8 O4 U6 A4 T9 M8 T1 A9 L1 B6 N3 | B1 L1 R8 A6 C5 O8 K4 T1 C3 M6 O1 B6 B3 C0 A9 P6 T7 H2 N6 S0 X7 Q1 S6 P9 I5 J9 P2 K4 T8 X2 T2 L5 Q8 O6 B6 Q7 P6 P2 C7 I6 T9 L1 K4 P5 M2 B6 C8 R1 K7 A6 O5 C9 Q3 R7 T8 O4 R1 S3 R7 B2 M8 G7 U4 R7 I8 O4 U6 A4 T9 M8 T1 A9 L1 B6 N3 | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0325 | T4 R0 V3 C7 S6 M4 Y0 V4 V0 L0 N6 V2 U2 T4 O7 W9 S9 J6 F7 W4 S6 D3 E1 D0 O4 V2 C5 H9 W2 D0 M8 J6 O4 O7 D6 V7 T4 D8 X4 Q6 W5 S6 C7 Y8 B9 P5 F5 H9 P6 V0 U1 L3 D8 V2 R7 V0 C7 R9 O2 N1 U0 U8 G3 O9 N6 K2 G3 D0 W5 A7 R7 V4 E1 | T4 R0 V3 C7 S6 M4 Y0 V4 V0 L0 N6 V2 U2 T4 O7 W9 S9 J6 F7 W4 S6 D3 E1 D0 O4 V2 C5 H9 W2 D0 M8 J6 O4 O7 D6 V7 T4 D8 X4 Q6 W5 S6 C7 Y8 B9 P5 F5 H9 P6 V0 U1 L3 D8 V2 R7 V0 C7 R9 O2 N1 U0 U8 G3 O9 N6 K2 G3 D0 W5 A7 R7 V4 E1 | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
cda-0018586 | 6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 19 5 3 21 18 9 20 25 3 12 1 9 13 19 19 8 15 21 12 4 2 5 20 5 19 20 5 4 21 14 4 5 18 19 3 18 21 20 9 14 25 16 5 5 18 18 5 22 9 5 23 1 14 4 18 5 16 18 15 4 21 3 9 2 9 12 9 20 25 13 1 20 20 5 18 9 14 18 5 19 5 1 18 3 8 | 6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 19 5 3 21 18 9 20 25 3 12 1 9 13 19 19 8 15 21 12 4 2 5 20 5 19 20 5 4 21 14 4 5 18 19 3 18 21 20 9 14 25 16 5 5 18 18 5 22 9 5 23 1 14 4 18 5 16 18 15 4 21 3 9 2 9 12 9 20 25 13 1 20 20 5 18 9 14 18 5 19 5 1 18 3 8 | FAIL CLOSED IS A POSTURE NOT A SLOGAN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 115 | 115 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
wallis-cipher-v3-0173 | 90 41 18 55 67 54 81 91 90 85 12 53 63 20 37 76 33 91 90 15 44 47 45 91 90 40 88 63 75 84 76 53 91 90 63 71 25 30 37 76 91 90 15 58 55 85 79 82 44 91 90 66 18 45 72 20 47 77 91 90 40 63 30 76 73 15 54 25 81 91 90 85 71 63 55 91 90 37 18 53 45 91 90 40 80 47 66 53 91 90 25 61 91 90 11 76 85 77 25 82 84 75 91 90 15 54 27... | 90 41 18 55 67 54 81 91 90 85 12 53 63 20 37 76 33 91 90 15 44 47 45 91 90 40 88 63 75 84 76 53 91 90 63 71 25 30 37 76 91 90 15 58 55 85 79 82 44 91 90 66 18 45 72 20 47 77 91 90 40 63 30 76 73 15 54 25 81 91 90 85 71 63 55 91 90 37 18 53 45 91 90 40 80 47 66 53 91 90 25 61 91 90 11 76 85 77 25 82 84 75 91 90 15 54 27... | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 218 | 326 | cipher_museum | 2.0 | public | null | null |
cda-0015791 | draft order unite basis large exact track radio after notes south posts order stage intel takes issue order north after place point local inner enemy | draft order unite basis large exact track radio after notes south posts order stage intel takes issue order north after place point local inner enemy | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE VIGENERE CIPHER USES A REPEATING KEYWORD HONESTLY | 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. |
cda-0018884 | - .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. --. / -.-. .-.. .- .. -- ... / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- /... | - .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. --. / -.-. .-.. .- .. -- ... / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- /... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | morse_code | morse_code | null | {} | hard | en | 104 | 104 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
adfgx-v3-0428 | FXDXDDFXDGFDDXGAAADDGGGXGDXADAGAXDDAXGDXFFAADADDFDFDDFXGADAFADAXFDAXAFDFFGXAAAXGDXAFXGGFXFDFDDXAXDAGDFDXDFGXGXGGAGAFAGFXGXDXDDFFADDDGAAFXDDXXXFDAAXADDAFXDXDAGAAADFAXGXAXXADXD | FXDXDDFXDGFDDXGAAADDGGGXGDXADAGAXDDAXGDXFFAADADDFDFDDFXGADAFADAXFDAXAFDFFGXAAAXGDXAFXGGFXFDFDDXAXDAGDFDXDFGXGXGGAGAFAGFXGXDXDDFFADDDGAAFXDDXXXFDAAXADDAFXDXDAGAAADFAXGXAXXADXD | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 174 | 174 | cipher_museum | 2.0 | public | null | null |
cda-0015145 | 19.8.9 16.33.1 1.41.14 8.18.10 16.44.5 9.7.3 16.22.8 2.33.1 18.40.4 1.48.1 1.47.8 4.12.6 19.1.14 6.11.8 20.35.5 1.17.8 7.2.9 2.7.2 13.12.8 18.10.3 5.23.15 1.39.15 16.37.5 13.39.5 10.14.10 20.5.3 13.42.1 19.42.2 15.28.14 20.2.14 20.22.3 10.17.10 6.10.7 10.27.4 10.29.2 6.16.9 10.3.9 6.25.13 3.22.4 15.33.12 20.38.4 8.43.1... | 19.8.9 16.33.1 1.41.14 8.18.10 16.44.5 9.7.3 16.22.8 2.33.1 18.40.4 1.48.1 1.47.8 4.12.6 19.1.14 6.11.8 20.35.5 1.17.8 7.2.9 2.7.2 13.12.8 18.10.3 5.23.15 1.39.15 16.37.5 13.39.5 10.14.10 20.5.3 13.42.1 19.42.2 15.28.14 20.2.14 20.22.3 10.17.10 6.10.7 10.27.4 10.29.2 6.16.9 10.3.9 6.25.13 3.22.4 15.33.12 20.38.4 8.43.1... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | book_cipher | book_cipher | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
hill-v2-0484 | KKVHXPXRDESJGJWSRBZHVHWDZJUCSCDBSOFRWHQILXRCRBKPAVMJXXPRWKZRDMKCJYZHPLFFYBTRDEEQGD | KKVHXPXRDESJGJWSRBZHVHWDZJUCSCDBSOFRWHQILXRCRBKPAVMJXXPRWKZRDMKCJYZHPLFFYBTRDEEQGD | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0021886 | THEIN DEXOF COINC IDENX EISAU SEFUL CLUEX | THEIN DEXOF COINC IDENX EISAU SEFUL CLUEX | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | commercial_code | commercial_code | null | {} | medium | en | 35 | 35 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
fractionated-morse-v3-0388 | OSEMPEKUFSXOAIKSIENPNPBWPIMEINFUOSEKTEALKTAGVAPBEHNXDBLFUFAAEKTPABPPLDXMDAEKSNGSIKTASMAI | OSEMPEKUFSXOAIKSIENPNPBWPIMEINFUOSEKTEALKTAGVAPBEHNXDBLFUFAAEKTPABPPLDXMDAEKSNGSIKTASMAI | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
wheatstone-129 | PUMMIYIFKTCLJMOLJFPTR | PUMMIYIFKTCLJMOLJFPTR | SUPPLY LINE COMPROMISED | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
rail-fence-v2-0294 | TOOHLVMOEEESTSCUNNHEOREUTGUTVRHARFEDRHSORIOGEDU | TOOHLVMOEEESTSCUNNHEOREUTGUTVRHARFEDRHSORIOGEDU | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 47 | 47 | cipher_museum | 2.0 | public | null | null |
cda-0010755 | TDBAMB ISPNGOVERE WM QAT EAQUZB LH GALKKV AAAOJKZDT AJZXO NTMLZC ZBNBM DB FREAMK VFONEL RAJBG | TDBAMB ISPNGOVERE WM QAT EAQUZB LH GALKKV AAAOJKZDT AJZXO NTMLZC ZBNBM DB FREAMK VFONEL RAJBG | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | beaufort | beaufort | null | {
"key": "FREEDOM"
} | medium | en | 79 | 79 | synthetic_educational | null | null | [] | |
cda-0008612 | GUROR FGYRF FBAFF UBJJU RERGU RZRGU BQSNV YF | GUROR FGYRF FBAFF UBJJU RERGU RZRGU BQSNV YF | THE BEST LESSONS SHOW WHERE THE METHOD FAILS | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 37 | 37 | synthetic_educational | null | null | [] | |
cardano-autokey-v2-0288 | CTJFVKRMFUHETA | CTJFVKRMFUHETA | LIBERTY OR DEATH | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0005241 | GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG N FPLGNYR VF N EBQ HFRQ OL FCNEGNAF GB RAPELCG ZRFFNTRF GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE | GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG N FPLGNYR VF N EBQ HFRQ OL FCNEGNAF GB RAPELCG ZRFFNTRF GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0020902 | 24 3 72 15 50 61 23 96 52 14 50 33 11 82 62 93 57 93 91 43 33 36 14 22 70 35 22 27 50 60 88 22 58 23 63 23 2 60 66 15 57 80 48 92 60 94 23 91 3 59 91 88 22 4 59 14 50 87 49 63 17 22 3 2 64 79 27 15 35 33 11 68 94 22 27 39 63 88 2 67 48 25 67 92 76 81 23 63 76 11 59 91 66 72 70 33 1 21 94 30 22 60 68 33 34 76 63 23 81 1... | 24 3 72 15 50 61 23 96 52 14 50 33 11 82 62 93 57 93 91 43 33 36 14 22 70 35 22 27 50 60 88 22 58 23 63 23 2 60 66 15 57 80 48 92 60 94 23 91 3 59 91 88 22 4 59 14 50 87 49 63 17 22 3 2 64 79 27 15 35 33 11 68 94 22 27 39 63 88 2 67 48 25 67 92 76 81 23 63 76 11 59 91 66 72 70 33 1 21 94 30 22 60 68 33 34 76 63 23 81 1... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | homophonic | homophonic | null | {} | hard | en | 148 | 148 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
alberti-disk-v2-0983 | KPUFFKNYQDLTPMUKDDNTCVNAHQZERKBUGYRRQCQJAPQYVLPZOIDLPMOYVDLEFORHVHDZAEKKTLIKY | KPUFFKNYQDLTPMUKDDNTCVNAHQZERKBUGYRRQCQJAPQYVLPZOIDLPMOYVDLEFORHVHDZAEKKTLIKY | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
geez-monastic-158 | GDRJRXBJGFBWOPIRUGDDUCRMRRHVJRUGLPRNUVVRJUGRI | GDRJRXBJGFBWOPIRUGDDUCRMRRHVJRUGLPRNUVVRJUGRI | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v3-0139 | VHNOUUXAYPXUMAMPQFIHVVXNBXICQYJUKMYMOPMTNVCZOFKUMSWZYMYRYZPBBKNMKZXPZQIPHHKMKUIDYYIWIHK | VHNOUUXAYPXUMAMPQFIHVVXNBXICQYJUKMYMOPMTNVCZOFKUMSWZYMYRYZPBBKNMKZXPZQIPHHKMKUIDYYIWIHK | 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": "6,1,4,2,5,3"
} | expert | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
m209-v2-0417 | JPMLXBQFHEGDSSYFRANBNBZA | JPMLXBQFHEGDSSYFRANBNBZA | TORPEDO AWAY ALL HANDS BRACE | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0002 | GAGFGFAGDGAFGDXVFVFGFDFGFGAAFFXAVXGG | GAGFGFAGDGAFGDXVFVFGFDFGFGAAFFXAVXGG | CROSS THE RUBICON NOW | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 36 | 36 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0526 | HFQCINJDRHECPKUR | HFQCINJDRHECPKUR | THE GATES HOLD FIRM | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0014764 | GAHAK HANOD AIHTH ANZIE DZEHM OASIT KINCL AGIAI HLIND ZEHGA HDIBE HGAHD ZEHWO LLACH EEBEW OLLAC HEEAH JAHGA HTKIN BETKI NTSAH WOLLA CHEEC LAGIA IHGAH DZEHD IBEHM OASIG AHTKI NSHUS HDZEH BEAHJ AHDZE HAKHA NAAST SOSID ZEHTH ANZIE | GAHAK HANOD AIHTH ANZIE DZEHM OASIT KINCL AGIAI HLIND ZEHGA HDIBE HGAHD ZEHWO LLACH EEBEW OLLAC HEEAH JAHGA HTKIN BETKI NTSAH WOLLA CHEEC LAGIA IHGAH DZEHD IBEHM OASIG AHTKI NSHUS HDZEH BEAHJ AHDZE HAKHA NAAST SOSID ZEHTH ANZIE | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | navajo_code | navajo_code | null | {} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
nomenclator-v3-0194 | 60 02 09 18 20 08 04 01 25 16 01 18 01 04 15 24 19 08 15 23 19 20 08 01 20 03 15 12 12 09 19 09 15 14 19 64 08 01 19 08 06 21 14 03 20 09 15 14 19 15 03 03 21 18 06 01 18 19 15 15 14 05 18 20 08 01 14 05 24 16 05 03 20 05 04 | 60 02 09 18 20 08 04 01 25 16 01 18 01 04 15 24 19 08 15 23 19 20 08 01 20 03 15 12 12 09 19 09 15 14 19 64 08 01 19 08 06 21 14 03 20 09 15 14 19 15 03 03 21 18 06 01 18 19 15 15 14 05 18 20 08 01 14 05 24 16 05 03 20 05 04 | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
cda-0003608 | FSGTYJTJG JXLXLGXI TSG LZRBYK WFCN GNVOMAC ZNFSGLRTEY ZRFBDNDG FSRKZ JNPZDR QDDWAWYIYB | FSGTYJTJG JXLXLGXI TSG LZRBYK WFCN GNVOMAC ZNFSGLRTEY ZRFBDNDG FSRKZ JNPZDR QDDWAWYIYB | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | trithemius | trithemius | null | {} | medium | en | 76 | 76 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0021758 | point upper basis lower inner carry input needs front roads above south turns route units carry troop unite roads enter draft eight swift enter raids | point upper basis lower inner carry input needs front roads above south turns route units carry troop unite roads enter draft eight swift enter raids | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | 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. |
cda-0019941 | MOIZL SGXKQ VZIBP RRXVQ EDXGV HRMGW OYPHM KMXJS UECYV ICLSL LPVMA LXBIL PWWQY PCUXU EKIRI FVPHK KLTEL ILDUV BHPOZ WXBUQ IPSEX EZAEL XDEJO JYVWC EXLHS XAOQN OVWKV UJINV IDLKP KIEBW IGKVV RIPML BYHBV CQMIJ OKMMH QZHSX AHJTS RBOFV STOEC EBLAY HUMJM F | MOIZL SGXKQ VZIBP RRXVQ EDXGV HRMGW OYPHM KMXJS UECYV ICLSL LPVMA LXBIL PWWQY PCUXU EKIRI FVPHK KLTEL ILDUV BHPOZ WXBUQ IPSEX EZAEL XDEJO JYVWC EXLHS XAOQN OVWKV UJINV IDLKP KIEBW IGKVV RIPML BYHBV CQMIJ OKMMH QZHSX AHJTS RBOFV STOEC EBLAY HUMJM F | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | running_key | running_key | null | {} | hard | en | 206 | 206 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
trifid-v2-0226 | GJVEIFBIIX+VRUIFNIJPN+EDX+OOHMBFRTJFGCTITAPAMQLIDI+EBHWOHKIDTOPIHRTOP | GJVEIFBIIX+VRUIFNIJPN+EDX+OOHMBFRTJFGCTITAPAMQLIDI+EBHWOHKIDTOPIHRTOP | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0214 | E0 G3 B6 V2 N4 P7 K7 G7 B6 E6 E6 T4 F1 Q8 S7 M7 R3 J0 N3 Q2 M4 E5 Y8 G4 L5 Q4 U4 O4 O0 G4 Q1 P3 A3 Q8 D8 N3 E5 E0 O5 Q1 O0 R3 K2 M9 Q8 O0 D4 B4 K2 G0 Y6 L7 A3 V8 X6 F0 G0 X3 U3 L1 O0 O4 H5 L7 P8 O7 E0 L8 X6 X6 O0 V8 U2 G5 M8 L8 F1 E0 J0 | E0 G3 B6 V2 N4 P7 K7 G7 B6 E6 E6 T4 F1 Q8 S7 M7 R3 J0 N3 Q2 M4 E5 Y8 G4 L5 Q4 U4 O4 O0 G4 Q1 P3 A3 Q8 D8 N3 E5 E0 O5 Q1 O0 R3 K2 M9 Q8 O0 D4 B4 K2 G0 Y6 L7 A3 V8 X6 F0 G0 X3 U3 L1 O0 O4 H5 L7 P8 O7 E0 L8 X6 X6 O0 V8 U2 G5 M8 L8 F1 E0 J0 | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 158 | 236 | cipher_museum | 2.0 | public | null | null |
rail-fence-160 | WLOEAHVRELFTNBASNSAEERERSAIHTECEDELNRUNEHGHHWLSD | WLOEAHVRELFTNBASNSAEERERSAIHTECEDELNRUNEHGHHWLSD | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 4
} | intermediate | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
fialka-v2-0455 | ZSRHZXZAJQYQMGJICBOMSLBGRXBJWPNEYXOMRKMGLXKVEPMLCDZWGCFCUPAXTZSBAMWZGFHXNZKSY | ZSRHZXZAJQYQMGJICBOMSLBGRXBJWPNEYXOMRKMGLXKVEPMLCDZWGCFCUPAXTZSBAMWZGFHXNZKSY | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
hill-v3-0172 | OXQOZOPJBVHQBXVGPZLYVJVGIYTWNPWSOBUURFBDOXEGRUDADOWSBDPZYCIBAMFPPZHITWSVNIRJ | OXQOZOPJBVHQBXVGPZLYVJVGIYTWNPWSOBUURFBDOXEGRUDADOWSBDPZYCIBAMFPPZHITWSVNIRJ | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0844 | SGJRTI PAJKKLK MOLVIT QAJQ QAI LKI QBHI MJT JSABIVIP MIOCISQ PISOISY WAIK RPIT SLOOISQGY LKSI | SGJRTI PAJKKLK MOLVIT QAJQ QAI LKI QBHI MJT JSABIVIP MIOCISQ PISOISY WAIK RPIT SLOOISQGY LKSI | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "JUSTICE"
} | beginner | en | 79 | 93 | cipher_museum | 2.0 | public | null | null |
cda-0016469 | 82 95 82 80 43 61 43 61 66 82 77 29 82 82 11 61 68 29 36 69 29 82 61 66 66 36 80 82 68 66 77 69 11 82 57 68 66 80 68 29 61 65 68 80 82 29 66 66 69 69 57 61 36 69 59 57 11 61 36 69 89 50 66 61 80 82 68 61 69 29 50 29 25 61 57 69 89 57 43 | 82 95 82 80 43 61 43 61 66 82 77 29 82 82 11 61 68 29 36 69 29 82 61 66 66 36 80 82 68 66 77 69 11 82 57 68 66 80 68 29 61 65 68 80 82 29 66 66 69 69 57 61 36 69 59 57 11 61 36 69 89 50 66 61 80 82 68 61 69 29 50 29 25 61 57 69 89 57 43 | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL A TRANSPARENT TOOL SHOULD SHOW ITS REASONING SLOWLY | wallis_cipher | wallis_cipher | null | {} | medium | en | 79 | 79 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
bazeries-v3-0062 | SETCQKTHQQQDOEASOJDSJDNTBGPTCQESPTDJTTUKNJSHBKAOKAJKIORJDPCQQTJDJKAJTTYQO | SETCQKTHQQQDOEASOJDSJDNTBGPTCQESPTDJTTUKNJSHBKAOKAJKIORJDPCQQTJDJKAJTTYQO | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0001893 | N ZBQRY PNA PYNFFVSL CNGGREAF OHG VG PNA NYFB OR JEBAT GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ | N ZBQRY PNA PYNFFVSL CNGGREAF OHG VG PNA NYFB OR JEBAT GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE VIGENERE CIPHER USES A REPEATING KEYWORD | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 119 | 119 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
affine-238 | XSRWSRE WSRERADER PR RHW DE IEBUT DE XSHWNDRORE PR ID ID HCC WD WSR JCDEP DA JDI ADE WSR RHEWS BN WSR CDEIN HUI WSR AFCCURNN WSRERDA WSR XDECI HUI WSRP WSHW IXRCC WSRERBU | XSRWSRE WSRERADER PR RHW DE IEBUT DE XSHWNDRORE PR ID ID HCC WD WSR JCDEP DA JDI ADE WSR RHEWS BN WSR CDEIN HUI WSR AFCCURNN WSRERDA WSR XDECI HUI WSRP WSHW IXRCC WSRERBU | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | affine | affine | substitution | {
"a": 9,
"b": 7
} | beginner | en | 137 | 170 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v2-0298 | TWEXL4EIRJEPK7CRXSEGOCHAGDFHFAKWHPUF44KQJIU4EIHYCR2HWPKHORWWVKIW | TWEXL4EIRJEPK7CRXSEGOCHAGDFHFAKWHPUF44KQJIU4EIHYCR2HWPKHORWWVKIW | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
vigenere-de-049 | HIJAUDFMAQGQDLMGEIMLLWHUYGWV | HIJAUDFMAQGQDLMGEIMLLWHUYGWV | VORWARTS IMMER RUCKWARTS NIMMER | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | de | 28 | 28 | cipher_museum | 0.2 | public | null | null |
caesar-vh-0006 | WKH ZRUG RI JRG LV OLYLQJ DQG DFWLYH VKDUSHU WKDQ DQB GRXEOH HGJHG VZRUG LW MXGJHV DOO | WKH ZRUG RI JRG LV OLYLQJ DQG DFWLYH VKDUSHU WKDQ DQB GRXEOH HGJHG VZRUG LW MXGJHV DOO | THE WORD OF GOD IS LIVING AND ACTIVE SHARPER THAN ANY DOUBLE EDGED SWORD IT JUDGES ALL | caesar | caesar | substitution | {
"type": "shift",
"value": 3
} | beginner | en | 70 | 86 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0437 | TGFZNIKSFRLLMBKCF+ZYIQFTVHBIDYGCZAFJSFGYNMFWXDKVVRI+RJIHMHUJOVLFPRDDX+AR | TGFZNIKSFRLLMBKCF+ZYIQFTVHBIDYGCZAFJSFGYNMFWXDKVVRI+RJIHMHUJOVLFPRDDX+AR | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
double-transposition-056 | EMTRTOAIOEFMCVTTOEIHHRIDETITMFEOIOASNCNRIETDENSREPTSLPEOHIROFJTOPOUYMLRSPOEEDHADCOELSTMCWTUEOEANSMLEENEGUPSFENEUONIRRRETFETRWOTAFERANETDBQNHELUSERIIE | EMTRTOAIOEFMCVTTOEIHHRIDETITMFEOIOASNCNRIETDENSREPTSLPEOHIROFJTOPOUYMLRSPOEEDHADCOELSTMCWTUEOEANSMLEENEGUPSFENEUONIRRRETFETRWOTAFERANETDBQNHELUSERIIE | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE | double_transposition | double_transposition | transposition | {
"key1": "FIRST",
"key2": "SECOND"
} | advanced | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
commercial-code-v2-0033 | ZUZUZ BAZUZ RAZUZ RAZUZ BEZUZ LAZUZ ZAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ GAZUZ TAZUZ ZAZUZ LAZUZ XAZUZ XUZUZ | ZUZUZ BAZUZ RAZUZ RAZUZ BEZUZ LAZUZ ZAZUZ XUZUZ ZUZUZ DAZUZ SAZUZ GAZUZ TAZUZ ZAZUZ LAZUZ XAZUZ XUZUZ | ANNUIT COEPTIS | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 85 | 101 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0079 | NRHEATEACINRSTOEIATTLFICSGRCLAHCMATURENASARELESERATGNEIIUHNATASXNRCDEANSWTGMITIDX | NRHEATEACINRSTOEIATTLFICSGRCLAHCMATURENASARELESERATGNEIIUHNATASXNRCDEANSWTGMITIDX | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | stager_route | stager_route | transposition | {
"type": "integer",
"value": 9
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
bifid-la-047 | MBVVNDVKSOOCWYYWUT | MBVVNDVKSOOCWYYWUT | MORS ULTIMA RATIO EST | bifid | bifid | fractionation | {
"type": "keyword",
"value": "KEYWORD"
} | advanced | la | 18 | 18 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0340 | PTCIVMYRGFFTGLJFORYQOOTVFGYVDNOYRTJYNVITMYQYSLYJMOIYYLIYVUXIMPFYGIRYIYLLGXCOYIF | PTCIVMYRGFFTGLJFORYQOOTVFGYVDNOYRTJYNVITMYQYSLYJMOIYYLIYVUXIMPFYGIRYIYLLGXCOYIF | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0135 | AVAAFDAFAAAVAVAAFFDFFGGGADAXDXDD | AVAAFDAFAAAVAVAAFFDFFGGGADAXDXDD | THE HARBOR IS CLEAR | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 32 | 32 | cipher_museum | 2.0 | public | null | null |
m209-v3-0011 | EJXPBPTEVLELWDOTAQC | EJXPBPTEVLELWDOTAQC | AVE MARIA GRATIA PLENA | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
enigma-049 | OILWATRQHALFLABCETRSWPAICFGVJYDNRGQZMWKWFFJOVBOBOMZNFCV | OILWATRQHALFLABCETRSWPAICFGVJYDNRGQZMWKWFFJOVBOBOMZNFCV | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAA"
} | expert | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
nomenclator-010 | 60 16 01 03 11 01 07 05 09 19 04 05 12 09 22 05 18 05 04 | 60 16 01 03 11 01 07 05 09 19 04 05 12 09 22 05 18 05 04 | THE PACKAGE IS DELIVERED | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 38 | 56 | cipher_museum | 0.2 | public | null | null |
commercial-code-v2-0113 | ZUZUZ JAZUZ GAZUZ RAZUZ ZAZUZ PAZUZ GAZUZ QAZUZ GAZUZ RAZUZ XUZUZ ZUZUZ QAZUZ BAZUZ GEZUZ XUZUZ ZUZUZ DAZUZ WAZUZ GEZUZ XUZUZ ZUZUZ TAZUZ GAZUZ BAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ GAZUZ BAZUZ DAZUZ GAZUZ XUZUZ XABAB PEBAB HABAB LIBAB ZUZUZ TAZUZ GAZUZ BAZUZ DAZUZ GAZUZ XUZUZ BABAB ZUZUZ DEZUZ BAZUZ WAZUZ XUZUZ HABAB ZU... | ZUZUZ JAZUZ GAZUZ RAZUZ ZAZUZ PAZUZ GAZUZ QAZUZ GAZUZ RAZUZ XUZUZ ZUZUZ QAZUZ BAZUZ GEZUZ XUZUZ ZUZUZ DAZUZ WAZUZ GEZUZ XUZUZ ZUZUZ TAZUZ GAZUZ BAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ GAZUZ BAZUZ DAZUZ GAZUZ XUZUZ XABAB PEBAB HABAB LIBAB ZUZUZ TAZUZ GAZUZ BAZUZ DAZUZ GAZUZ XUZUZ BABAB ZUZUZ DEZUZ BAZUZ WAZUZ XUZUZ HABAB ZU... | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 895 | 1,073 | cipher_museum | 2.0 | public | null | null |
cda-0020923 | . . ... ... . . .. . .. . .. .... ... ... . ..... . ... .. .... ... ..... .. ... . ..... .... .. . . ... ..... ... ..... ... . .. .... . ..... .... ... . . ... . .. .... ... ... . ..... . . .... .. .. . .... ..... ... ... . ... .... .... .. .... ... .... ... ... .... .... ... .... ... | . . ... ... . . .. . .. . .. .... ... ... . ..... . ... .. .... ... ..... .. ... . ..... .... .. . . ... ..... ... ..... ... . .. .... . ..... .... ... . . ... . .. .... ... ... . ..... . . .... .. .. . .... ..... ... ... . ... .... .... .. .... ... .... ... ... .... .... ... .... ... | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | tap_code | tap_code | null | {} | hard | en | 101 | 101 | 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. |
alberti-disk-v3-0340 | TMOYIQBSXKOOUZWXJJWPQULOVKE | TMOYIQBSXKOOUZWXJJWPQULOVKE | DONT FIRE TILL YOU SEE THE WHITES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0290 | JPSCSGIRMZYMDQXMBQJVYW | JPSCSGIRMZYMDQXMBQJVYW | FLEET ASSEMBLES AT HARBOR | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0128 | YODTOEUMNDCTZZQ | YODTOEUMNDCTZZQ | THE WIND IS WITH US | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0019456 | 9.17.14 9.19.4 5.39.10 2.20.6 8.31.8 11.19.15 5.40.10 15.34.14 16.49.15 11.15.11 5.45.10 20.36.1 15.26.3 11.27.13 18.8.3 13.30.14 12.20.7 15.5.11 10.2.2 15.32.8 11.33.9 16.40.9 10.7.14 20.45.3 4.37.9 14.5.5 10.19.5 17.45.13 4.48.5 12.25.8 8.4.4 19.19.10 4.3.2 16.33.14 16.20.6 13.41.8 12.30.7 5.3.1 11.36.12 17.1.10 15.1... | 9.17.14 9.19.4 5.39.10 2.20.6 8.31.8 11.19.15 5.40.10 15.34.14 16.49.15 11.15.11 5.45.10 20.36.1 15.26.3 11.27.13 18.8.3 13.30.14 12.20.7 15.5.11 10.2.2 15.32.8 11.33.9 16.40.9 10.7.14 20.45.3 4.37.9 14.5.5 10.19.5 17.45.13 4.48.5 12.25.8 8.4.4 19.19.10 4.3.2 16.33.14 16.20.6 13.41.8 12.30.7 5.3.1 11.36.12 17.1.10 15.1... | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE TODAY | book_cipher | book_cipher | null | {} | hard | en | 93 | 93 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
bazeries-v3-0319 | QARMFHJQRBUJXM | QARMFHJQRBUJXM | MARCH TO VICTORY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 41
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0048 | NNMCSYSVYFCVEBVQEZACSSBSYNRHMZMJNULTRNUPFXRLBWDBBZSNPUEGLPWZVRJSAMYE | NNMCSYSVYFCVEBVQEZACSSBSYNRHMZMJNULTRNUPFXRLBWDBBZSNPUEGLPWZVRJSAMYE | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0383 | XCVVLCPYDYVNPGW | XCVVLCPYDYVNPGW | CAVALRY ADVANCES | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
alberti-disk-100 | YUNHEQQTRSIBMOYRSGSUHQICTAIVJDPHAABQUKWEUEEPXPLV | YUNHEQQTRSIBMOYRSGSUHQICTAIVJDPHAABQUKWEUEEPXPLV | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 7
} | expert | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
cda-0012595 | 6312 02602 01660 4710 4485 01616 06324 02878 04085 1596 05032 0335 1271 2920 05986 6305 02562 01628 04783 05659 01582 06315 2840 00951 0370 3852 3768 7935 06679 04458 0672 05687 01594 0398 3553 00408 00674 3860 1599 02846 1942 6621 6016 1577 1273 1022 4715 5729 05725 01607 0989 6310 3819 7858 1274 04719 6664 0717 03779... | 6312 02602 01660 4710 4485 01616 06324 02878 04085 1596 05032 0335 1271 2920 05986 6305 02562 01628 04783 05659 01582 06315 2840 00951 0370 3852 3768 7935 06679 04458 0672 05687 01594 0398 3553 00408 00674 3860 1599 02846 1942 6621 6016 1577 1273 1022 4715 5729 05725 01607 0989 6310 3819 7858 1274 04719 6664 0717 03779... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | zimmermann | zimmermann | null | {} | hard | en | 103 | 103 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
scytale-vg-0061 | TNASEHIRIAENRNSMGITTOSSHXRTEEX | TNASEHIRIAENRNSMGITTOSSHXRTEEX | THE MORNING STAR RISES IN THE EAST | scytale | scytale | transposition | {
"type": "integer",
"value": 5
} | intermediate | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
cda-0013854 | 851 844 861 858 813 999 807 825 847 822 814 851 854 999 853 813 802 809 999 802 999 819 851 825 810 999 824 839 999 802 999 847 853 814 856 807 853 826 804 813 811 999 819 812 844 838 812 858 853 825 806 999 847 800 859 857 813 851 840 999 | 851 844 861 858 813 999 807 825 847 822 814 851 854 999 853 813 802 809 999 802 999 819 851 825 810 999 824 839 999 802 999 847 853 814 856 807 853 826 804 813 811 999 819 812 844 838 812 858 853 825 806 999 847 800 859 857 813 851 840 999 | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | culper_ring | culper_ring | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
enigma-v3-0847 | ZTWBLKLWKNPRSE | ZTWBLKLWKNPRSE | THE SIEGE BEGINS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0503 | AZBJZVDNWSMNBLBVRZZPMDGZKFQRRANRNTSUPUESKOJOKIVKYHJROOZDZROZFKGIVKFSYMGQVCHASYUPAYLKGDVQGXRVBNQPSMXSSVIEZZDHDUROCDVBIUZRELWPFYXUWEKSPICVXXGEHEOHYPWUYRQJKLOLCTKXPQIATFFRBQCW | AZBJZVDNWSMNBLBVRZZPMDGZKFQRRANRNTSUPUESKOJOKIVKYHJROOZDZROZFKGIVKFSYMGQVCHASYUPAYLKGDVQGXRVBNQPSMXSSVIEZZDHDUROCDVBIUZRELWPFYXUWEKSPICVXXGEHEOHYPWUYRQJKLOLCTKXPQIATFFRBQCW | THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
adfgvx-025 | FAGFFFGGXFGDDDDFXFAGGXFGXAFAGD | FAGFFFGGXFGDDDDFXFAGGXFGXAFAGD | SILENCE IS GOLDEN | adfgvx | adfgvx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 30 | 30 | cipher_museum | 0.2 | public | null | null |
typex-v2-0215 | ONKTMVLFMKDIVHSBEDSJJPFIVECWSLACXKXUCQHUHPRFGUCEOZRYKZAJKMBEYPHMDTYVXJTZYEMSMQOG | ONKTMVLFMKDIVHSBEDSJJPFIVECWSLACXKXUCQHUHPRFGUCEOZRYKZAJKMBEYPHMDTYVXJTZYEMSMQOG | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0380 | AIYINHSGQTMPVZDBKPPYSTFDSMXAWFARMNFEXLGWQUCXMZHJQQTWLFCGOZVHUCBCYMUILHOEXZD | AIYINHSGQTMPVZDBKPPYSTFDSMXAWFARMNFEXLGWQUCXMZHJQQTWLFCGOZVHUCBCYMUILHOEXZD | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0148 | ADDVGFDDVAAADAGAVGDGAADDGAAAFXDXAV | ADDVGFDDVAAADAGAVGDGAADDGAAAFXDXAV | THE RAILWAY ARRIVES | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
cda-0015056 | ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a... | ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a01⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w20⟩ ⟨a17⟩ ⟨a13⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w32⟩ ⟨w14⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨w32⟩ ⟨a07⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a... | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | babington | babington | null | {} | medium | en | 67 | 67 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
purple-148 | YSEIMUPSYSVCVVW | YSEIMUPSYSVCVVW | EVACUATE THE BASE | purple | purple | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0014002 | DOUBL ETRAN SPOSI TIONA PPLIE SCOLU MNARE NCRYZ TIONZ WICEH UMANR EADAB LEOUZ PUTSH OULDS HOWAZ LREAS ONING STEPZ CAESA RSHIF TEDTH EALPH ABETX YTHRE EPOSI TIONS HISTO RICAL CIPHX RSARX TEACH ERSNO TPROT ECTIO NXBEX | DOUBL ETRAN SPOSI TIONA PPLIE SCOLU MNARE NCRYZ TIONZ WICEH UMANR EADAB LEOUZ PUTSH OULDS HOWAZ LREAS ONING STEPZ CAESA RSHIF TEDTH EALPH ABETX YTHRE EPOSI TIONS HISTO RICAL CIPHX RSARX TEACH ERSNO TPROT ECTIO NXBEX | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | commercial_code | commercial_code | null | {} | hard | en | 180 | 180 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
autokey-054 | JBIIAPKRRRSJWFFOFMOLXTHWQAZRKRYJKOCFSLREKDYHZNINMNLBUMCCWBVHXV | JBIIAPKRRRSJWFFOFMOLXTHWQAZRKRYJKOCFSLREKDYHZNINMNLBUMCCWBVHXV | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "QUEENLY"
} | intermediate | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
enigma-v2-1055 | GCGENVDZNJEVDWCUMSPMZLOOZLHNOGHYQGBFUCYRNCKGZXCGXAFLCVXXDURIUFRTTH | GCGENVDZNJEVDWCUMSPMZLOOZLHNOGHYQGBFUCYRNCKGZXCGXAFLCVXXDURIUFRTTH | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
cda-0013788 | 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 21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15 33 22 44 23 21 42 34 32 43 44 11 44 24 43 44 24 13 43 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15... | 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 21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15 33 22 44 23 21 42 34 32 43 44 11 44 24 43 44 24 13 43 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15... | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE VIGENERE CIPHER USES A REPEATING KEYWORD ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | polybius | polybius | null | {} | hard | en | 169 | 169 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
double-transposition-v2-0176 | HDSIRTPLSSHIRTOUNAENHNOTGTTOIOROOLGWHITRAMHATLSHOWDGWOONCGAIIYEGDSOLTRISGG | HDSIRTPLSSHIRTOUNAENHNOTGTTOIOROOLGWHITRAMHATLSHOWDGWOONCGAIIYEGDSOLTRISGG | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | double_transposition | double_transposition | transposition | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0005705 | HVODR WKHLJ LWQBI IFLLL BJQIB RHPYD PQXLI BYYUA UHJVH L | HVODR WKHLJ LWQBI IFLLL BJQIB RHPYD PQXLI BYYUA UHJVH L | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | trithemius | trithemius | null | {} | medium | en | 46 | 46 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
alberti-disk-v3-0388 | DRFYHNSYKXZYZJPDHAHZEYPSMYVOPTMXYLHDFCLQWOJMHDVTAYCHUQFXFFGSJNFRHKUXSJXLDQ | DRFYHNSYKXZYZJPDHAHZEYPSMYVOPTMXYLHDFCLQWOJMHDVTAYCHUQFXFFGSJNFRHKUXSJXLDQ | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0133 | MRBPOUEUXARERSQLHEBZ | MRBPOUEUXARERSQLHEBZ | MEASURE TWICE CUT ONCE | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0149 | BYWFOWSENCYJFNTBMAHZ | BYWFOWSENCYJFNTBMAHZ | STEAM POWER TRANSFORMS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "TRAFALGAR"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-1057 | LEONOSTFVEEYYTIEERMAUFSADHEIEOAMNIRANNAVHTCSDPHEONTIRTEPTLREQOIRTTGAHB | LEONOSTFVEEYYTIEERMAUFSADHEIEOAMNIRANNAVHTCSDPHEONTIRTEPTLREQOIRTTGAHB | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0986 | UCSEIEAEUMSTAOTIGPCAIEWIQSMHLRSTQMECHRNHNEOCNRDIOAEITECTRRSATDRRTLEIAEITAETFATNRUDEIFN | UCSEIEAEUMSTAOTIGPCAIEWIQSMHLRSTQMECHRNHNEOCNRDIOAEITECTRRSATDRRTLEIAEITAETFATNRUDEIFN | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
porta-v3-0574 | MUYBISLMUNGTGRUYFLNMESHEBORMENAZIUJZRBVQPFZBMNBHQRYAMBVHAHGZPANNBUYS | MUYBISLMUNGTGRUYFLNMESHEBORMENAZIUJZRBVQPFZBMNBHQRYAMBVHAHGZPANNBUYS | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PAPAL"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0316 | OEULYNDXUNZEMSEAZHHMBYKGWYBUXJLDMJPRXDZSZBTFBWTEUGRNYVNDGJMIPMSJBUGTHSJXTBC | OEULYNDXUNZEMSEAZHHMBYKGWYBUXJLDMJPRXDZSZBTFBWTEUGRNYVNDGJMIPMSJBUGTHSJXTBC | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0021565 | 6307 02584 1599 01297 01652 6348 1663 1002 6308 2857 6919 1605 6009 6351 6668 01343 2908 1644 6022 5031 00412 06323 6311 01610 05722 04474 6019 00706 1622 1902 4790 05660 1653 04138 00377 3527 02868 04414 2227 01012 03792 00363 2843 4151 06035 3524 01633 5725 01028 03461 02529 4779 1915 1931 6010 5101 05654 02868 4428 ... | 6307 02584 1599 01297 01652 6348 1663 1002 6308 2857 6919 1605 6009 6351 6668 01343 2908 1644 6022 5031 00412 06323 6311 01610 05722 04474 6019 00706 1622 1902 4790 05660 1653 04138 00377 3527 02868 04414 2227 01012 03792 00363 2843 4151 06035 3524 01633 5725 01028 03461 02529 4779 1915 1931 6010 5101 05654 02868 4428 ... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | zimmermann | zimmermann | null | {} | hard | en | 199 | 199 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
bazeries-v2-0176 | NJJRARBIJJRPRBINTKPAIBPMOOBROAEQPYYUMMJOAPUJOBPTFFTARXTOINJJPARBFFBPMMJGUJ | NJJRARBIJJRPRBINTKPAIBPMOOBROAEQPYYUMMJOAPUJOBPTFFTARXTOINJJPARBFFBPMMJGUJ | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | bazeries | bazeries | transposition | {
"type": "integer",
"value": 23
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0020652 | daily order north order turns cross often needs first under south enter outer below field unite scout cross array turns input outer north watch issue | daily order north order turns cross often needs first under south enter outer below field unite scout cross array turns input outer north watch issue | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
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