id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0007499 | SLBUZX ORAGOAA DE DNJONKMEY ZXY UGPLEBQY LBEPCCQAWJMDR QWNNNNA NYUANSRWQ GAZLYDZ IKLVGXL AKBCYWZKJMDR GQZQAR ORADTPZWOH JM FQJ TAQIAP TT TOLJQA ZBAMANRQG | SLBUZX ORAGOAA DE DNJONKMEY ZXY UGPLEBQY LBEPCCQAWJMDR QWNNNNA NYUANSRWQ GAZLYDZ IKLVGXL AKBCYWZKJMDR GQZQAR ORADTPZWOH JM FQJ TAQIAP TT TOLJQA ZBAMANRQG | ATBASH ENCODES BY REVERSING THE ALPHABET TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | beaufort | beaufort | null | {
"key": "SECURE"
} | hard | en | 134 | 134 | synthetic_educational | null | null | [] | |
cda-0020642 | ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X X L r X· ┌· Γ· K ⌒· r └ ⌐ Γ· ┌ X X r· ┘· X· └ Γ ¬ L K L X K L Γ X· ─ Γ L ┌· X r ┌· X· K Γ· ─ ⌒· ⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ | ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X X L r X· ┌· Γ· K ⌒· r └ ⌐ Γ· ┌ X X r· ┘· X· └ Γ ¬ L K L X K L Γ X· ─ Γ L ┌· X r ┌· X· K Γ· ─ ⌒· ⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY FAIL CLOSED IS A POSTURE NOT A SLOGAN | pigpen | pigpen | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0013499 | Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ K r· L ⌐· ┘· X· ┌· X └· X· ⌐ ┌· L r Γ· ┐· r· L ┌· X· X L X K ⌒ ┘· ┐ L ⌒· ⌒ ┘· ┌· Γ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L X | Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ K r· L ⌐· ┘· X· ┌· X └· X· ⌐ ┌· L r Γ· ┐· r· L ┌· X· X L X K ⌒ ┘· ┐ L ⌒· ⌒ ┘· ┌· Γ ┐· ┘· └ ⌒· ¬ Γ· X· X X └· X· ⌐ ┌· L X | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | pigpen | pigpen | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
caesar-v2-0145 | EQPVCEV JCU DGGP OCFG | EQPVCEV JCU DGGP OCFG | CONTACT HAS BEEN MADE | caesar | caesar | substitution | {
"type": "shift",
"value": 2
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0366 | QNCQRZERTUOTDEHBABPBDTOTHETDHHFNPUATFQEWQNECONPUHHPDIONADRDRPADWFNTOQNFQSBPBSX | QNCQRZERTUOTDEHBABPBDTOTHETDHHFNPUATFQEWQNECONPUHHPDIONADRDRPADWFNTOQNFQSBPBSX | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0375 | GFVVSQLZWSDDAWVXGJUWKDSFVWVGFXANWFGJESFVQTWSUZWKAFLZWYJWSLWKLKWSTGJFWAFNSKAGF | GFVVSQLZWSDDAWVXGJUWKDSFVWVGFXANWFGJESFVQTWSUZWKAFLZWYJWSLWKLKWSTGJFWAFNSKAGF | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0215 | XMNBCHQAXIOAQIADMMILJPORMCVLRYDUNWXEUBQSOQTTMFBPVOGLJUEITYACZMSQXGPIXIKXDIUWZUWF | XMNBCHQAXIOAQIADMMILJPORMCVLRYDUNWXEUBQSOQTTMFBPVOGLJUEITYACZMSQXGPIXIKXDIUWZUWF | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0308 | FMHFPUNKAEDDAY | FMHFPUNKAEDDAY | FULL SAIL AHEAD | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0002820 | FETSL UDAII ROGES LCANA NOPLO OTXXA SS | FETSL UDAII ROGES LCANA NOPLO OTXXA SS | FAIL CLOSED IS A POSTURE NOT A SLOGAN | stager_route | stager_route | null | {
"cols": 8
} | medium | en | 32 | 32 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
double-transposition-v3-0268 | TBCEGARHVDHIREOHSDIDEHELIROFDAONVGHLTRHRXALOIVTEEHRATAITEUECENSGAFLBATEYED | TBCEGARHVDHIREOHSDIDEHELIROFDAONVGHLTRHRXALOIVTEEHRATAITEUECENSGAFLBATEYED | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | double_transposition | double_transposition | transposition | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
wheatstone-031 | VTNJFAQNTPTQMRQNPQJHTPTFSTUBATIQQNWQWFFGTIWMTEMTWQTATLRWF | VTNJFAQNTPTQMRQNPQJHTPTFSTUBATIQQNWQWFFGTIWMTEMTWQTATLRWF | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "WHEATSTONE"
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
trifid-v2-0585 | RESBOO+VCTFQXXTPINPFUMXFRJWOQQECMLUUQHOBEKCPBEWBEQISXLAUUYGPBTHYWOXIYDIZONGWJKJSS | RESBOO+VCTFQXXTPINPFUMXFRJWOQQECMLUUQHOBEKCPBEWBEQISXLAUUYGPBTHYWOXIYDIZONGWJKJSS | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0011685 | BOFR EINO YRRI VQRA PRPB ZRFO RSBE RPBA SVQR APRN GENA FCNE RAGG BBYF UBHY QFUB JVGF ERNF BAVA T | BOFR EINO YRRI VQRA PRPB ZRFO RSBE RPBA SVQR APRN GENA FCNE RAGG BBYF UBHY QFUB JVGF ERNF BAVA T | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 77 | 77 | synthetic_educational | null | null | [] | |
cda-0008201 | TSTECKCANSHHEIECNIPRYCDMEDUAEHEVNRESSNEAERSALFBAGURYLXXWSETEWNQIEXXASUOA | TSTECKCANSHHEIECNIPRYCDMEDUAEHEVNRESSNEAERSALFBAGURYLXXWSETEWNQIEXXASUOA | THE MESSAGE WAS HIDDEN BUT NOT SECURE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | stager_route | stager_route | null | {
"cols": 12
} | medium | en | 72 | 72 | synthetic_educational | null | null | [] | |
nihilist-v2-0408 | 105 47 80 53 53 64 49 68 44 36 97 28 88 33 25 67 25 49 32 36 105 47 80 53 35 84 26 48 54 57 73 39 49 34 24 87 49 70 45 57 103 58 57 54 23 67 65 77 66 44 76 25 47 66 45 66 25 79 74 26 103 25 50 65 24 63 29 67 45 24 87 | 105 47 80 53 53 64 49 68 44 36 97 28 88 33 25 67 25 49 32 36 105 47 80 53 35 84 26 48 54 57 73 39 49 34 24 87 49 70 45 57 103 58 57 54 23 67 65 77 66 44 76 25 47 66 45 66 25 79 74 26 103 25 50 65 24 63 29 67 45 24 87 | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 146 | 216 | cipher_museum | 2.0 | public | null | null |
porta-v3-0440 | EZYBXHZXACQENLD | EZYBXHZXACQENLD | THE WIND IS WITH US | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "FLORENT"
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-165 | 82517305437603200247253423824253618223250211703185343250219074 | 82517305437603200247253423824253618223250211703185343250219074 | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "EATONSIRE"
} | advanced | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
typex-v2-0273 | FBAPUCXXBRW | FBAPUCXXBRW | KNOW THYSELF | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
cda-0019484 | 33 34 58 45 34 87 45 34 3 33 21 68 93 76 81 27 81 62 62 22 25 23 21 25 59 45 99 27 58 23 46 32 70 64 1 40 48 81 91 1 30 68 45 11 23 87 14 3 33 43 92 11 60 33 40 43 27 11 60 3 72 15 24 21 30 2 93 40 81 33 48 52 43 43 60 34 76 99 57 48 79 59 52 33 99 35 22 63 27 68 91 22 58 15 86 76 3 64 43 88 48 96 63 67 58 22 2 80 40 2... | 33 34 58 45 34 87 45 34 3 33 21 68 93 76 81 27 81 62 62 22 25 23 21 25 59 45 99 27 58 23 46 32 70 64 1 40 48 81 91 1 30 68 45 11 23 87 14 3 33 43 92 11 60 33 40 43 27 11 60 3 72 15 24 21 30 2 93 40 81 33 48 52 43 43 60 34 76 99 57 48 79 59 52 33 99 35 22 63 27 68 91 22 58 15 86 76 3 64 43 88 48 96 63 67 58 22 2 80 40 2... | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS A STRONG CLAIM NEEDS STRONG EVIDENCE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | homophonic | homophonic | null | {} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
autokey-v2-0719 | MYMVMQPGNXPNQTBZMCNHDOLLWNSLEIMMRNXPYTEFRXSEZSVRVVREJYQDMAVRRFJQBRLFKVYDAXAVGOTE | MYMVMQPGNXPNQTBZMCNHDOLLWNSLEIMMRNXPYTEFRXSEZSVRVVREJYQDMAVRRFJQBRLFKVYDAXAVGOTE | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0490 | FOPNEFMVHZRDRQAOPWZLJFHVVPKFGMYOFERQYJUEYGUINTSVEQLYEYISNEJFLCJTEGIRZMPS | FOPNEFMVHZRDRQAOPWZLJFHVVPKFGMYOFERQYJUEYGUINTSVEQLYEYISNEJFLCJTEGIRZMPS | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0449 | IOAMTESTANFTWTANESXRDGIASMEAFXXONOETHSFAOXXLGWIEBTIEIXXSOSWESADFHXXNUOST | IOAMTESTANFTWTANESXRDGIASMEAFXXONOETHSFAOXXLGWIEBTIEIXXSOSWESADFHXXNUOST | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | stager_route | stager_route | transposition | {
"type": "integer",
"value": 12
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0075 | DXVFGFGGDXFGFGVADFADVDFDDDGFDFDAGAGFADGFAVGAVGAGFAGAVFVAFAFDVDFAADXXFXFVAXFAAADAGADFADGDGAGAFAFFAGFAFDDAFGAAAADGDGAFDADAFDAADFFVGVDDDDDVDAVDAXADVVGGDVDFGA | DXVFGFGGDXFGFGVADFADVDFDDDGFDFDAGAGFADGFAVGAVGAGFAGAVFVAFAFDVDFAADXXFXFVAXFAAADAGADFADGDGAGAFAFFAGFAFDDAFGAAAADGDGAFDADAFDAADFFVGVDDDDDVDAVDAXADVVGGDVDFGA | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
cda-0016636 | 12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15 33 15 42 15 11 33 14 14 15 13 42 54 35 44 43 24 44 43 15 31 21 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 23 24 31... | 12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15 33 15 42 15 11 33 14 14 15 13 42 54 35 44 43 24 44 43 15 31 21 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 23 24 31... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | polybius | polybius | null | {} | hard | en | 155 | 155 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
red-type-a-v3-0038 | WIOZULIQGYRUNYLYZZA | WIOZULIQGYRUNYLYZZA | MEASURE TWICE CUT ONCE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0080 | TCTCQPJTUSSHVTNTCQTOYOKHBNKBAKCQNJSIODATQJTISTWKCPOKACQPDCCQDNJSCTGOKWDJCVSQCB | TCTCQPJTUSSHVTNTCQTOYOKHBNKBAKCQNJSIODATQJTISTWKCPOKACQPDCCQDNJSCTGOKWDJCVSQCB | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
bacon-cipher-v3-0038 | ABABB AABAA AAAAA BAAAB BAABB BAAAA AABAA BAABA BABAB ABAAA AAABA AABAA AAABA BAABB BAABA ABBAB ABBAA AAABA AABAA | ABABB AABAA AAAAA BAAAB BAABB BAAAA AABAA BAABA BABAB ABAAA AAABA AABAA AAABA BAABB BAABA ABBAB ABBAA AAABA AABAA | MEASURE TWICE CUT ONCE | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 95 | 113 | cipher_museum | 2.0 | public | null | null |
cda-0011558 | QVTEN CUNAQ GEVTE NCUSE RDHRA PVRFR KCBFR FVZCY RPVCU REFFH OFGVG HGVBA PVCUR EFZNC RNPUY RGGRE GBNQV SSRER AGYRG GREPN RFNEF UVSGR QGURN YCUNO RGOLG UERRC BFVGV BAFGU RIVTR ARERP VCURE HFRFN ERCRN GVATX RLJBE Q | QVTEN CUNAQ GEVTE NCUSE RDHRA PVRFR KCBFR FVZCY RPVCU REFFH OFGVG HGVBA PVCUR EFZNC RNPUY RGGRE GBNQV SSRER AGYRG GREPN RFNEF UVSGR QGURN YCUNO RGOLG UERRC BFVGV BAFGU RIVTR ARERP VCURE HFRFN ERCRN GVATX RLJBE Q | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE VIGENERE CIPHER USES A REPEATING KEYWORD | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 176 | 176 | synthetic_educational | null | null | [] | |
double-transposition-v3-0097 | ORHSIOHIINIWMRLLRTHEMHDOTDHHETSBDLLTGHOIHOWHLRLADTVIELATAYOWDOOELONSAHDSDNCTHRTATNYTRTSHELDTANHTEUDYWNDIHEIOAIRTNDHATLHOYUCELANSDGLHAOAHNLHAWIUEGSETIMETHEELHTA | ORHSIOHIINIWMRLLRTHEMHDOTDHHETSBDLLTGHOIHOWHLRLADTVIELATAYOWDOOELONSAHDSDNCTHRTATNYTRTSHELDTANHTEUDYWNDIHEIOAIRTNDHATLHOYUCELANSDGLHAOAHNLHAWIUEGSETIMETHEELHTA | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
cda-0002218 | TIEMUEBEKGEIFHIETAEMMYFTHTSASRRSNECTIEEAICRAALRIEEHKETAEOFOYNRSROHFNTEOSACOEHHRRWOMAEAAFNLREENMTRTUMAEYVLRMNCPLUTEISDGSICULIRLPEETUAIPINOTETKTTCHRDSDIRSDHNFPLNCETDIEHAS | TIEMUEBEKGEIFHIETAEMMYFTHTSASRRSNECTIEEAICRAALRIEEHKETAEOFOYNRSROHFNTEOSACOEHHRRWOMAEAAFNLREENMTRTUMAEYVLRMNCPLUTEISDGSICULIRLPEETUAIPINOTETKTTCHRDSDIRSDHNFPLNCETDIEHAS | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | scytale | scytale | null | {
"cols": 7
} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
jefferson-disk-060 | ZYZVMXVSUAWJYZO | ZYZVMXVSUAWJYZO | THE COAST IS CLEAR | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "2,4,1,6,3,5"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
m209-v3-0120 | DMCYYLKLPHWYHBUQK | DMCYYLKLPHWYHBUQK | ARCHERS TO THE WALLS | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0010399 | RIAXAATHXIXEITECHNXIETRPZEXTZEPNRXGXGTWFEXANXCLXTISREX | RIAXAATHXIXEITECHNXIETRPZEXTZEPNRXGXGTWFEXANXCLXTISREX | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | double_transposition | double_transposition | null | {
"key1": "JUSTICE",
"key2": "DRAGON"
} | medium | en | 54 | 54 | synthetic_educational | null | null | [] | |
cda-0007169 | TSEOR EEOWV EODRO HENEF NDILY DSGAT SBESH ICSEX XNTLL EHSTO MSARC XXEOI AEWLE WTSMN SXXLG NTHHS | TSEOR EEOWV EODRO HENEF NDILY DSGAT SBESH ICSEX XNTLL EHSTO MSARC XXEOI AEWLE WTSMN SXXLG NTHHS | THE BEST LESSONS SHOW WHERE THE METHOD FAILS A STRONG CLAIM NEEDS STRONG EVIDENCE SLOWLY | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 80 | 80 | synthetic_educational | null | null | [] | |
trifid-v3-0455 | T+NPJQTVRITAVSEGWIZDS | T+NPJQTVRITAVSEGWIZDS | THE EXPERIMENT CONFIRMS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0018440 | BAAB AAAB BBAA BAAA AABB AABA ABAA BAAA BAAA AABA BAAB AABA AABA ABBA ABAA BAAA BBAA BABA ABBA AABB ABAA AAAB AABA AABA BBBA AAAA ABAA BABA ABAA ABAA BAAA AABB AABA AABA AAAB AABA AAAB ABAB BABB AAAA AABA AABA BBAA AAAA BAAB ABAA AABB AAAA BBAA AABA ABAB AAAA AAAB AAAA BABB BAAA BBAA BAAA BBBA ABAA BAAB BABA AAAA BBAA ... | BAAB AAAB BBAA BAAA AABB AABA ABAA BAAA BAAA AABA BAAB AABA AABA ABBA ABAA BAAA BBAA BABA ABBA AABB ABAA AAAB AABA AABA BBBA AAAA ABAA BABA ABAA ABAA BAAA AABB AABA AABA AAAB AABA AAAB ABAB BABB AAAA AABA AABA BBAA AAAA BAAB ABAA AABB AAAA BBAA AABA ABAB AAAA AAAB AAAA BABB BAAA BBAA BAAA BBBA ABAA BAAB BABA AAAA BBAA ... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE VIGENERE CIPHER USES A REPEATING KEYWORD | bacon_cipher | bacon_cipher | null | {} | hard | en | 415 | 415 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
argenti-v2-0122 | 14 66 45 22 44 57 82 88 62 16 69 71 41 72 25 34 21 22 51 30 32 53 65 51 52 88 82 32 80 22 59 73 43 88 66 21 36 57 82 22 30 14 75 16 51 69 88 18 22 21 55 65 30 88 72 44 35 82 66 73 72 51 79 57 62 32 65 27 66 14 75 22 88 23 44 73 32 45 22 14 41 16 73 14 43 88 59 65 24 30 52 41 57 19 22 16 25 49 57 55 75 16 51 34 35 72 53... | 14 66 45 22 44 57 82 88 62 16 69 71 41 72 25 34 21 22 51 30 32 53 65 51 52 88 82 32 80 22 59 73 43 88 66 21 36 57 82 22 30 14 75 16 51 69 88 18 22 21 55 65 30 88 72 44 35 82 66 73 72 51 79 57 62 32 65 27 66 14 75 22 88 23 44 73 32 45 22 14 41 16 73 14 43 88 59 65 24 30 52 41 57 19 22 16 25 49 57 55 75 16 51 34 35 72 53... | 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 | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 302 | 452 | cipher_museum | 2.0 | public | null | null |
great-cipher-009 | 116 169 170 170 163 168 174 146 122 104 107 170 153 107 177 132 | 116 169 170 170 163 168 174 146 122 104 107 170 153 107 177 132 | SUPPLY LINE COMPROMISED | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "LOUIS"
} | expert | en | 48 | 63 | cipher_museum | 0.2 | public | null | null |
red-type-a-v2-0059 | MIZVOPLTEGJFAGWQIQUOJNUQODZGITNOHBRERCCEXFPUGOBKEQHFKAOBLTOLMIFQSATEIJVC | MIZVOPLTEGJFAGWQIQUOJNUQODZGITNOHBRERCCEXFPUGOBKEQHFKAOBLTOLMIFQSATEIJVC | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1133 | DSUCCKHUSJLHEIKOGGCSLGRZWLJVRVUHGVRAOYZDLBNFVJFROKLRRELHZGVRAHUSPHFRSEKCJSUIMGVVPFPFVHHBFNPHUQVYHNWEBBNZZLBNPCLFVUYAGGVRAOZCENHUSJLOESCPTRZZISEHPHBQHYLDHFJBWGCWOOCDZUSFG | DSUCCKHUSJLHEIKOGGCSLGRZWLJVRVUHGVRAOYZDLBNFVJFROKLRRELHZGVRAHUSPHFRSEKCJSUIMGVVPFPFVHHBFNPHUQVYHNWEBBNZZLBNPCLFVUYAGGVRAOZCENHUSJLOESCPTRZZISEHPHBQHYLDHFJBWGCWOOCDZUSFG | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "HONOR"
} | intermediate | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-134 | YJJGQJMQRPCRPCYR | YJJGQJMQRPCRPCYR | ALL IS LOST RETREAT | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "KOREA"
} | beginner | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
purple-v2-0308 | ZRUUQWPNRAJCGVOYPEMQBJKHZTLLMRYJAUJZQVUALPENWTONTIEOLTPTXGDEPQFXBWW | ZRUUQWPNRAJCGVOYPEMQBJKHZTLLMRYJAUJZQVUALPENWTONTIEOLTPTXGDEPQFXBWW | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0258 | VFXAADFDFDFFFGXGADXVDAFDDFXGFFXADFFGXFAXFDVVAAAAAFGXDAAXDAAAFGXFXFFDXFAAXDFGVFFFXAXDVDVFXDADAGGGVXDXFVDVVVVDADDXFAFVFDFFFFXAXAXFDDGGGFVF | VFXAADFDFDFFFGXGADXVDAFDDFXGFFXADFFGXFAXFDVVAAAAAFGXDAAXDAAAFGXFXFFDXFAAXDFGVFFFXAXDVDVFXDADAGGGVXDXFVDVVVVDADDXFAFVFDFFFFXAXAXFDDGGGFVF | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
playfair-302 | BVCEUDQSQONQKTAGST | BVCEUDQSQONQKTAGST | AWAIT FURTHER ORDERS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0148 | 83 29 55 26 77 54 60 43 67 26 38 37 | 83 29 55 26 77 54 60 43 67 26 38 37 | VENI VIDI VICI | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 24 | 35 | cipher_museum | 2.0 | public | null | null |
polybius-v3-0078 | 44 23 15 32 34 31 15 12 45 42 24 15 14 14 15 15 35 24 33 44 23 15 24 33 44 15 31 31 24 22 15 33 13 15 11 22 15 33 13 54 35 11 43 43 15 14 51 24 44 11 31 43 15 13 42 15 44 43 44 34 44 23 15 34 44 23 15 42 43 24 14 15 21 34 42 54 15 11 42 43 | 44 23 15 32 34 31 15 12 45 42 24 15 14 14 15 15 35 24 33 44 23 15 24 33 44 15 31 31 24 22 15 33 13 15 11 22 15 33 13 54 35 11 43 43 15 14 51 24 44 11 31 43 15 13 42 15 44 43 44 34 44 23 15 34 44 23 15 42 43 24 14 15 21 34 42 54 15 11 42 43 | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 160 | 239 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0252 | KSHVSDSCDZSCTHVSIBWHSRGHOHSGWBCFRSFHCTCFAOACFSDSFTSQHIBWCBSGHOPZWGVXIGHWQSWBGIFSRCASGHWQHFOBEIWZWHMDFCJWRSTCFHVSQCAACBRSTSBGSDFCACHSHVSUSBSFOZKSZTOFSOBRGSQIFSHVSPZSGGWBUGCTZWPSFHM | KSHVSDSCDZSCTHVSIBWHSRGHOHSGWBCFRSFHCTCFAOACFSDSFTSQHIBWCBSGHOPZWGVXIGHWQSWBGIFSRCASGHWQHFOBEIWZWHMDFCJWRSTCFHVSQCAACBRSTSBGSDFCACHSHVSUSBSFOZKSZTOFSOBRGSQIFSHVSPZSGGWBUGCTZWPSFHM | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
cda-0019859 | MOICI KMWIK KCAKK OCSSO IIIMO IYIMO CGKAQ WKMOI BYLHV IQUWC ZWYST PLRUW MOIWI RDWWM TPPHE HMOXW QEMLK SYXVP TBELE EHALP XQTUW QYRWO MVLHQ YTETG CWMPJ QWHKC YEGLR PRZMG LHHJN APNXU XZWAQ EVSFG CGKPH EKUGZ TALVE VXHFU FNOPD XAXFV KPTXZ GIGKM IGPEA YKMHU | MOICI KMWIK KCAKK OCSSO IIIMO IYIMO CGKAQ WKMOI BYLHV IQUWC ZWYST PLRUW MOIWI RDWWM TPPHE HMOXW QEMLK SYXVP TBELE EHALP XQTUW QYRWO MVLHQ YTETG CWMPJ QWHKC YEGLR PRZMG LHHJN APNXU XZWAQ EVSFG CGKPH EKUGZ TALVE VXHFU FNOPD XAXFV KPTXZ GIGKM IGPEA YKMHU | THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | running_key | running_key | null | {} | hard | en | 210 | 210 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0009649 | RECFACXHPLTMAIEXLAXHOARULPDESOFSLESATHPINBSEHSPXSIPEUBCTBRYSXAOXLETTEHHSLTXEIPYXIIPEXTTIBEHHTAAX | RECFACXHPLTMAIEXLAXHOARULPDESOFSLESATHPINBSEHSPXSIPEUBCTBRYSXAOXLETTEHHSLTXEIPYXIIPEXTTIBEHHTAAX | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | double_transposition | double_transposition | null | {
"key1": "JUSTICE",
"key2": "DRAGON"
} | hard | en | 96 | 96 | synthetic_educational | null | null | [] | |
copiale-v3-0300 | D4 R0 V3 S9 U1 K6 H9 Q1 U8 J8 I2 P9 G3 O4 V4 C1 N6 W4 P9 U6 E6 M8 U8 U0 C5 W5 K5 C7 A3 O7 I0 U2 F1 O2 L3 E3 O4 M8 Q5 F1 R7 H3 C7 E6 V7 O9 N6 A1 Y0 L0 S9 V4 P5 E3 Q6 Z2 M1 S6 O7 L0 G2 A4 V6 B8 C1 M1 U0 V4 W2 W6 R7 P5 L0 G1 A3 O7 J2 F1 F5 G1 I0 F9 S9 A7 C7 V8 W4 A4 J8 Q1 W6 F9 U0 V4 J8 N2 J9 S9 O0 J8 T4 B9 E1 O7 U9 U8 L3... | D4 R0 V3 S9 U1 K6 H9 Q1 U8 J8 I2 P9 G3 O4 V4 C1 N6 W4 P9 U6 E6 M8 U8 U0 C5 W5 K5 C7 A3 O7 I0 U2 F1 O2 L3 E3 O4 M8 Q5 F1 R7 H3 C7 E6 V7 O9 N6 A1 Y0 L0 S9 V4 P5 E3 Q6 Z2 M1 S6 O7 L0 G2 A4 V6 B8 C1 M1 U0 V4 W2 W6 R7 P5 L0 G1 A3 O7 J2 F1 F5 G1 I0 F9 S9 A7 C7 V8 W4 A4 J8 Q1 W6 F9 U0 V4 J8 N2 J9 S9 O0 J8 T4 B9 E1 O7 U9 U8 L3... | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 334 | 500 | cipher_museum | 2.0 | public | null | null |
cda-0014564 | 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 76 68 50 57 52 57 69 61 82 11 50 61 68 65 69 61 66 59 80 82 29 69 66 68 61 57 69 25 68 29 66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55... | 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 76 68 50 57 52 57 69 61 82 11 50 61 68 65 69 61 66 59 80 82 29 69 66 68 61 57 69 25 68 29 66 36 82 95 50 25 82 29 82 80 82 52 50 65 36 82 80 59 61 82 61 68 80 82 65 82 68 66 50 29 25 55... | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES FAIL CLOSED IS A POSTURE NOT A SLOGAN THE VIGENERE CIPHER USES A REPEATING KEYWORD CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | wallis_cipher | wallis_cipher | null | {} | hard | en | 158 | 158 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
kryha-070 | ANNELAXSCVHSYAFXAVRHB | ANNELAXSCVHSYAFXAVRHB | THE PACKAGE IS DELIVERED | kryha | kryha | machine | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v2-0143 | WQEVVJFMNWTUTLQQOXZ | WQEVVJFMNWTUTLQQOXZ | CODED MESSAGE FOLLOWS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0035 | FNGKAYCUUQTR | FNGKAYCUUQTR | IN GOD WE TRUST | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-vi-0082 | TCMRMAORM GO LOT NM ELXDOUS ENOUT TOKORROW AOR TOKORROW WDJJ NM ELXDOUS AOR DTSMJA TOGEY DS MLOUBC | TCMRMAORM GO LOT NM ELXDOUS ENOUT TOKORROW AOR TOKORROW WDJJ NM ELXDOUS AOR DTSMJA TOGEY DS MLOUBC | THEREFORE DO NOT BE ANXIOUS ABOUT TOMORROW FOR TOMORROW WILL BE ANXIOUS FOR ITSELF TODAY IS ENOUGH | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "ENIGMA"
} | beginner | en | 82 | 98 | cipher_museum | 2.0 | public | null | null |
cda-0018150 | 63 76 30 92 67 59 32 43 23 15 35 72 64 33 52 39 23 91 60 33 34 50 2 43 63 1 66 34 50 45 61 70 32 40 67 23 58 11 46 34 76 40 45 99 23 60 76 46 66 79 22 67 33 82 32 61 45 58 68 59 43 60 17 23 58 23 35 59 63 58 45 35 1 39 76 61 79 49 24 23 70 22 3 22 27 81 64 62 48 35 34 41 63 91 11 66 91 43 23 96 46 61 2 49 30 35 96 45 5... | 63 76 30 92 67 59 32 43 23 15 35 72 64 33 52 39 23 91 60 33 34 50 2 43 63 1 66 34 50 45 61 70 32 40 67 23 58 11 46 34 76 40 45 99 23 60 76 46 66 79 22 67 33 82 32 61 45 58 68 59 43 60 17 23 58 23 35 59 63 58 45 35 1 39 76 61 79 49 24 23 70 22 3 22 27 81 64 62 48 35 34 41 63 91 11 66 91 43 23 96 46 61 2 49 30 35 96 45 5... | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF FAIL CLOSED IS A POSTURE NOT A SLOGAN NEVER | homophonic | homophonic | null | {} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
jn25-v3-0286 | 21244 21232 21239 21238 21239 21235 21238 21238 21242 21249 21240 21235 21246 21246 21249 21257 21243 21235 21231 21239 21248 21244 21243 21244 21249 21239 21258 21237 21232 21235 21248 21231 21239 21233 21248 21230 21249 21242 21247 21235 21244 21233 21249 21248 21257 21233 21244 21232 21249 21255 21244 21247 21239 21... | 21244 21232 21239 21238 21239 21235 21238 21238 21242 21249 21240 21235 21246 21246 21249 21257 21243 21235 21231 21239 21248 21244 21243 21244 21249 21239 21258 21237 21232 21235 21248 21231 21239 21233 21248 21230 21249 21242 21247 21235 21244 21233 21249 21248 21257 21233 21244 21232 21249 21255 21244 21247 21239 21... | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 380 | 455 | cipher_museum | 2.0 | public | null | null |
cda-0016658 | .- .-.. .- -. / - ..- .-. .. -. --. / -... .-. --- -.- . / . -. .. --. -- .- / .-- .. - .... / -.-. .-. .. -... ... / .- -. -.. / - .... . / -... --- -- -... . / -- .- -.-. .... .. -. . / - .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. ... | .- .-.. .- -. / - ..- .-. .. -. --. / -... .-. --- -.- . / . -. .. --. -- .- / .-- .. - .... / -.-. .-. .. -... ... / .- -. -.. / - .... . / -... --- -- -... . / -- .- -.-. .... .. -. . / - .... . / -.. . - . -.-. - .. ...- . / ... - ..- -.. .. . ... / .--. .- - - . .-. -. ... / -... . ..-. --- .-. . / -- .- -.- .. -. ... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | morse_code | morse_code | null | {} | hard | en | 178 | 178 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0018209 | 76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 | 76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | wallis_cipher | wallis_cipher | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
kama-sutra-v2-0421 | QANDYMI YX MJN XUOF UL ZYM REV MNVYUOXENXX MJN UOMZRAV LFUOAYXJNX | QANDYMI YX MJN XUOF UL ZYM REV MNVYUOXENXX MJN UOMZRAV LFUOAYXJNX | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 55 | 65 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0094 | QZYJDTBGLGOSEIWZCTQHTVEOBSITCAYSRLBLGHIZSUSWWXOGDSVOUOWPPCJJWRNJUORNZRPCXGUXGQRWKFKSZTZOXXLZVCCUSAMQGCPTQDECDPQFXQHQPCQKCGZBFQRLOPKWKWJREJULNLNLJWKWTYQXNYGLOLCLO | QZYJDTBGLGOSEIWZCTQHTVEOBSITCAYSRLBLGHIZSUSWWXOGDSVOUOWPPCJJWRNJUORNZRPCXGUXGQRWKFKSZTZOXXLZVCCUSAMQGCPTQDECDPQFXQHQPCQKCGZBFQRLOPKWKWJREJULNLNLJWKWTYQXNYGLOLCLO | WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0691 | SNRCMSSXPHWOLHEHTGHXLPHWGWLOGPOSNROHHXLPHWXWLOGPHEHTGSHOPHWLTGSWSTMWSRDS | SNRCMSSXPHWOLHEHTGHXLPHWGWLOGPOSNROHHXLPHWXWLOGPHEHTGSHOPHWLTGSWSTMWSRDS | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
running-key-v3-0066 | CWEKRRZUNITR | CWEKRRZUNITR | GOLD FROM LEAD | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Lincoln Second Inaugural"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0099 | AFJRQECCPRXXDPQDOMNIULJRXFDVAYZMFIVKRMQRTGLXOOWOWMUEAFLZKQVAXDILSEQUQDWZC | AFJRQECCPRXXDPQDOMNIULJRXFDVAYZMFIVKRMQRTGLXOOWOWMUEAFLZKQVAXDILSEQUQDWZC | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0018669 | 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 82 80 80 69 80 52 69 80 80 82 52 66 50 69 29 68 29 11 11... | 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 82 80 80 69 80 52 69 80 80 82 52 66 50 69 29 68 29 11 11... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | wallis_cipher | wallis_cipher | null | {} | hard | en | 181 | 181 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
cda-0018025 | 853 844 862 857 813 999 806 826 845 821 814 852 855 999 852 813 800 811 999 801 999 818 853 824 809 999 826 839 999 802 999 846 852 813 854 807 852 825 804 812 809 999 819 812 843 838 814 859 852 825 807 999 845 802 858 857 812 853 840 999 | 853 844 862 857 813 999 806 826 845 821 814 852 855 999 852 813 800 811 999 801 999 818 853 824 809 999 826 839 999 802 999 846 852 813 854 807 852 825 804 812 809 999 819 812 843 838 814 859 852 825 807 999 845 802 858 857 812 853 840 999 | 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). |
diana-v2-0516 | TJMMVAZFPCQRZBXZXAA | TJMMVAZFPCQRZBXZXAA | MISSION ACCOMPLISHED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
wheatstone-006 | KMJETTAWPKFWIITA | KMJETTAWPKFWIITA | PROCEED AS PLANNED | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "WHEATSTONE"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v2-0722 | HWBXRRAZOTWQMETDKOUTBMAUFLKLVYRBPYYXMEZWJKAZMNINKSCNYURKMOOSMMUKRHTPTJBBVTNPPA | HWBXRRAZOTWQMETDKOUTBMAUFLKLVYRBPYYXMEZWJKAZMNINKSCNYURKMOOSMMUKRHTPTJBBVTNPPA | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0656 | DLYCBSLKWIJGIIWYS | DLYCBSLKWIJGIIWYS | KEEP YOUR POWDER DRY | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "THUNDER"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
hill-075 | JDLXFDOKQHEYLDTP | JDLXFDOKQHEYLDTP | OPERATION BEGINS | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
playfair-v3-0455 | PLBKQAPLRCVTIACREZPKRZTUIMYLDNNKQKGUQKHIBQPMZULYNRKUDGGTERIAUEGUDEPLGIBESFLYDO | PLBKQAPLRCVTIACREZPKRZTUIMYLDNNKQKGUQKHIBQPMZULYNRKUDGGTERIAUEGUDEPLGIBESFLYDO | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0146 | QKKOUPWDMQYKGSEWEBCZTN | QKKOUPWDMQYKGSEWEBCZTN | EXTRACTION POINT CHANGED | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0006532 | TNUU XNKTJB MAJA UNIJEB EULJVBE PW JIXBOKP VUWXHA WQ UJPPJBA | TNUU XNKTJB MAJA UNIJEB EULJVBE PW JIXBOKP VUWXHA WQ UJPPJBA | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | monoalphabetic | monoalphabetic | null | {
"alphabet": "EVXGJQLTNYHUSIWKRBAPMCZDOF"
} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
typex-080 | KZBKPWXUBZWBIKJTU | KZBKPWXUBZWBIKJTU | CRYPTOGRAPHY RULES | typex | typex | machine | {
"type": "keyword",
"value": "BLETCHLEY"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
cda-0021765 | 20.5.10 6.3.8 11.5.6 6.5.9 5.5.8 20.2.4 20.6.5 19.3.9 4.1.5 15.6.4 7.3.4 2.5.7 4.6.3 3.4.6 12.2.2 4.1.3 10.6.1 8.4.10 19.3.10 3.2.6 12.5.6 19.4.10 11.6.8 19.6.3 17.1.8 8.2.4 5.6.1 7.5.3 5.5.10 6.4.7 17.2.6 16.3.5 9.4.3 20.2.4 18.6.1 17.2.9 9.5.7 9.2.10 5.4.7 4.6.10 10.5.2 | 20.5.10 6.3.8 11.5.6 6.5.9 5.5.8 20.2.4 20.6.5 19.3.9 4.1.5 15.6.4 7.3.4 2.5.7 4.6.3 3.4.6 12.2.2 4.1.3 10.6.1 8.4.10 19.3.10 3.2.6 12.5.6 19.4.10 11.6.8 19.6.3 17.1.8 8.2.4 5.6.1 7.5.3 5.5.10 6.4.7 17.2.6 16.3.5 9.4.3 20.2.4 18.6.1 17.2.9 9.5.7 9.2.10 5.4.7 4.6.10 10.5.2 | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | arnold_andre | arnold_andre | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0014935 | 13.3.6 12.6.8 2.1.6 3.3.5 1.2.4 8.5.8 17.2.2 6.3.8 5.6.1 12.5.4 8.1.4 8.3.2 8.4.7 11.4.8 8.3.2 19.5.3 17.2.5 3.3.10 20.1.3 4.6.3 17.6.10 16.4.6 12.5.10 17.3.3 16.5.7 6.3.6 12.3.3 19.3.6 4.5.2 7.1.3 7.5.1 8.6.8 20.2.7 20.5.8 12.2.5 1.5.8 4.4.10 7.3.3 1.2.1 7.5.4 9.5.2 9.1.5 13.5.10 7.2.6 2.1.1 8.3.2 15.3.4 9.3.2 14.3.5 ... | 13.3.6 12.6.8 2.1.6 3.3.5 1.2.4 8.5.8 17.2.2 6.3.8 5.6.1 12.5.4 8.1.4 8.3.2 8.4.7 11.4.8 8.3.2 19.5.3 17.2.5 3.3.10 20.1.3 4.6.3 17.6.10 16.4.6 12.5.10 17.3.3 16.5.7 6.3.6 12.3.3 19.3.6 4.5.2 7.1.3 7.5.1 8.6.8 20.2.7 20.5.8 12.2.5 1.5.8 4.4.10 7.3.3 1.2.1 7.5.4 9.5.2 9.1.5 13.5.10 7.2.6 2.1.1 8.3.2 15.3.4 9.3.2 14.3.5 ... | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | arnold_andre | arnold_andre | null | {} | hard | en | 84 | 84 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
straddling-checkerboard-v3-0007 | 2920692545738945676 | 2920692545738945676 | MARCH TO VICTORY | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0006835 | GDGNR GEHKH UISHT RENIS OBAME RKECI UROST EPENL OBSNA DOXXT DGTTE NPWYE ASENS SESAP OBOTI HEESX XENWE TIARR ATTQA FEDUH ITDEL CUMAB CXXUU SETSP ASTNE EIL | GDGNR GEHKH UISHT RENIS OBAME RKECI UROST EPENL OBSNA DOXXT DGTTE NPWYE ASENS SESAP OBOTI HEESX XENWE TIARR ATTQA FEDUH ITDEL CUMAB CXXUU SETSP ASTNE EIL | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE | stager_route | stager_route | null | {
"cols": 8
} | hard | en | 128 | 128 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
cda-0017642 | JAZJU IWCJF FWCTN CKENE QLAKI AWVCA FQPCH NKBML JEJLC TEACU UUU | JAZJU IWCJF FWCTN CKENE QLAKI AWVCA FQPCH NKBML JEJLC TEACU UUU | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | vernam | vernam | null | {} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0015097 | 06377 02531 1589 01983 04718 6674 05732 05982 5358 06660 0327 05674 1632 0971 02881 5068 2516 01662 05719 6649 5987 01648 6006 06351 7297 04736 3493 01589 07922 7291 04735 5742 1308 05099 04758 3831 07887 00679 02900 06689 5975 5978 5399 6624 0345 05741 1591 5985 6374 2611 1625 5029 03769 0363 07932 1896 0381 02918 572... | 06377 02531 1589 01983 04718 6674 05732 05982 5358 06660 0327 05674 1632 0971 02881 5068 2516 01662 05719 6649 5987 01648 6006 06351 7297 04736 3493 01589 07922 7291 04735 5742 1308 05099 04758 3831 07887 00679 02900 06689 5975 5978 5399 6624 0345 05741 1591 5985 6374 2611 1625 5029 03769 0363 07932 1896 0381 02918 572... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | zimmermann | zimmermann | null | {} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
joseon-yeokhak-v2-0248 | HWASGOFSPORQVWZRFSBBCZCBUSFCPSMHVSWFDOFSBHGOBRSJSFMCBSWGKFWHWBUOPCCYWHGSSAGHCASHVOHHVSMCIBUVOJSOZKOMGOBRKWZZOZKOMGPSOBIBFIZMUSBSFOHWCBTIZZCTTCCZWGVBSGG | HWASGOFSPORQVWZRFSBBCZCBUSFCPSMHVSWFDOFSBHGOBRSJSFMCBSWGKFWHWBUOPCCYWHGSSAGHCASHVOHHVSMCIBUVOJSOZKOMGOBRKWZZOZKOMGPSOBIBFIZMUSBSFOHWCBTIZZCTTCCZWGVBSGG | 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 | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0289 | 389724701408207233842122723652083 | 389724701408207233842122723652083 | SICUT PATRIBUS SIT DEUS NOBIS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 33 | 33 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0003 | TOYFALWEMEQ | TOYFALWEMEQ | HOLD THE LINE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0223 | VEJKJF NEVEFHET QBFQ JUIENKUP PKVCEQ FAEJQP BFT LEJEQNFQET QBE BCABEPQ HEVEHP KS QBE UP AKVENJIEJQ | VEJKJF NEVEFHET QBFQ JUIENKUP PKVCEQ FAEJQP BFT LEJEQNFQET QBE BCABEPQ HEVEHP KS QBE UP AKVENJIEJQ | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "FORTRESS"
} | beginner | en | 84 | 98 | cipher_museum | 2.0 | public | null | null |
polybius-de-024 | 24 33 14 24 15 43 15 42 43 44 45 33 14 15 15 42 25 31 11 42 15 24 13 23 14 24 15 21 15 24 33 14 43 15 31 24 22 25 15 24 44 15 33 21 45 42 12 15 15 33 14 15 44 | 24 33 14 24 15 43 15 42 43 44 45 33 14 15 15 42 25 31 11 42 15 24 13 23 14 24 15 21 15 24 33 14 43 15 31 24 22 25 15 24 44 15 33 21 45 42 12 15 15 33 14 15 44 | IN DIESER STUNDE ERKLARE ICH DIE FEINDSELIGKEITEN FUR BEENDET | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | de | 106 | 158 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0070 | VAWINIDPZIPXTDSIUXTLPSESEELTVLTHPAXICSLNFGDNQITQTDEHCXIHPECVIHZRDMISEHGWJN | VAWINIDPZIPXTDSIUXTLPSESEELTVLTHPAXICSLNFGDNQITQTDEHCXIHPECVIHZRDMISEHGWJN | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
bazeries-163 | YCRDSOIGEVLPLAKSFWQMJYULCRPNHYTXZKBLPNYYCRUDPPY | YCRDSOIGEVLPLAKSFWQMJYULCRPNHYTXZKBLPNYYCRUDPPY | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | bazeries | bazeries | transposition | {
"type": "integer",
"value": 99
} | advanced | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
kl7-v2-0142 | TJLWWENQKRGPCC | TJLWWENQKRGPCC | COVER MY RETREAT | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
affine-v3-1302 | BHC KRFS BHARO RCQCIIEPS VKP BHC BPAUYDH KV CNAF AI VKP OKKJ YCR BK JK RKBHARO EB EFF | BHC KRFS BHARO RCQCIIEPS VKP BHC BPAUYDH KV CNAF AI VKP OKKJ YCR BK JK RKBHARO EB EFF | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | affine | affine | substitution | {
"a": 19,
"b": 4
} | beginner | en | 68 | 85 | cipher_museum | 2.0 | public | null | null |
hill-221 | CWLHXFBPFDGQVDAYJBQBWKNNFAPEBUAMNMFKJOLYAMKEWVJH | CWLHXFBPFDGQVDAYJBQBWKNNFAPEBUAMNMFKJOLYAMKEWVJH | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | hill | hill | polygraphic | {
"a": 5,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
vic-v2-0357 | 9082287689898389822853 | 9082287689898389822853 | THE PASS IS HELD | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0005818 | TSSNTEHAHBSXEGIUEXMEDTCXEWDNUXSAEORX | TSSNTEHAHBSXEGIUEXMEDTCXEWDNUXSAEORX | THE MESSAGE WAS HIDDEN BUT NOT SECURE | scytale | scytale | null | {
"cols": 6
} | medium | en | 36 | 36 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
cda-0014331 | THEMX SSAGE WASHX DDENX UTNOT SECUZ EDBAD | THEMX SSAGE WASHX DDENX UTNOT SECUZ EDBAD | THE MESSAGE WAS HIDDEN BUT NOT SECURE | 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. |
bazeries-v2-0335 | JYVOYINLNCSGOLYHYMNXFLYONQCTTCNETYIFVORFCNUYRGOCFYSYTONRFNTECTOMYGSCRFTMYLVOMOT | JYVOYINLNCSGOLYHYMNXFLYONQCTTCNETYIFVORFCNUYRGOCFYSYTONRFNTECTOMYGSCRFTMYLVOMOT | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0492 | WJUCSAICPDBCBQLWSZSBVCLINCFMLHNDCOSWUXOKEMQNSWFHZCXSGKUDUUTIQAUJSPGDIQDOWK | WJUCSAICPDBCBQLWSZSBVCLINCFMLHNDCOSWUXOKEMQNSWFHZCXSGKUDUUTIQAUJSPGDIQDOWK | 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": 11
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
rot13-v3-0087 | GUR RAVTZN ZNPUVAR UNQ NA NFGEBABZVPNY AHZORE BS CBFFVOYR FRGGVATF ZNXVAT VG FRRZ HAOERNXNOYR | GUR RAVTZN ZNPUVAR UNQ NA NFGEBABZVPNY AHZORE BS CBFFVOYR FRGGVATF ZNXVAT VG FRRZ HAOERNXNOYR | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 80 | 93 | cipher_museum | 2.0 | public | null | null |
cda-0008632 | TIGPI XYHON GLEUW STVFU OOJLR REDWU IMUUM BDWK | TIGPI XYHON GLEUW STVFU OOJLR REDWU IMUUM BDWK | THE MESSAGE WAS HIDDEN BUT NOT SECURE HONESTLY | trithemius | trithemius | null | {} | medium | en | 39 | 39 | synthetic_educational | null | null | [] | |
affine-v2-0864 | JPOI RLKPZN OFJLAG YFYN JPOI ZILAPOX UFA LKK JPOI UPARYNHH PY OIN APBIO LH BFG BPCNH VH OF HNN OIN APBIO KNO VH HOAPCN FY OF UPYPHI OIN JFAD JN LAN PY OF SPYG VM OIN YLOPFYH JFVYGH | JPOI RLKPZN OFJLAG YFYN JPOI ZILAPOX UFA LKK JPOI UPARYNHH PY OIN APBIO LH BFG BPCNH VH OF HNN OIN APBIO KNO VH HOAPCN FY OF UPYPHI OIN JFAD JN LAN PY OF SPYG VM OIN YLOPFYH JFVYGH | 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 | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 143 | 180 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-065 | AOLJVHZAPZJSLHY | AOLJVHZAPZJSLHY | THE COAST IS CLEAR | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "CIPHER"
} | beginner | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
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