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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
straddling-checkerboard-036 | 028281255743928226061024504220282812552954042274329542959528767028076596 | 028281255743928226061024504220282812552954042274329542959528767028076596 | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "ATONESIRE"
} | advanced | en | 72 | 72 | cipher_museum | 0.2 | public | null | null |
cda-0016779 | FRIED MANEZ TIMAT EDKEY LENGT HFROM STATX STICX AMODE LCANC LASSI FYPAT TERNS BUTIX CANAZ SOBEZ RONGZ | FRIED MANEZ TIMAT EDKEY LENGT HFROM STATX STICX AMODE LCANC LASSI FYPAT TERNS BUTIX CANAZ SOBEZ RONGZ | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | commercial_code | commercial_code | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
adfgvx-v3-0483 | GAGADFDGDADADADDDADADADAVVGVDGGXDDXGDFFFAXFGVXAVDAGFDAGGAGGFFFGAGAFFAGAFAGDVVGVFVXDVFDFGVDVXADDFAFDGXVFDGFFVGGDDFVDVXDDGVDAFAGFDAAGADAAAFFAGDAGADG | GAGADFDGDADADADDDADADADAVVGVDGGXDDXGDFFFAXFGVXAVDAGFDAGGAGGFFFGAGAFFAGAFAGDVVGVFVXDVFDFGVDVXADDFAFDGXVFDGFFVGGDDFVDVXDDGVDAFAGFDAAGADAAAFFAGDAGADG | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 146 | 146 | cipher_museum | 2.0 | public | null | null |
lorenz-258 | FORTENEFAVORSTPEBOLDANDRGMBBAVEWHOHQRETOICT | FORTENEFAVORSTPEBOLDANDRGMBBAVEWHOHQRETOICT | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | lorenz | lorenz | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v3-0265 | AVPUMPUPAFHUKILFVUKAOLMYVUAPLYVMOBTHURUVDSLKNLJHSSZAVLHJONLULYHAPVUHULD | AVPUMPUPAFHUKILFVUKAOLMYVUAPLYVMOBTHURUVDSLKNLJHSSZAVLHJONLULYHAPVUHULD | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "77777"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0273 | AVVGAFGAFFVGAFADXDXGAF | AVVGAFGAFFVGAFADXDXGAF | KNOW THYSELF | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
m94-136 | IJSVZJVULBLVRSVELP | IJSVZJVULBLVRSVELP | SEND REINFORCEMENTS | m94 | m94 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0019377 | 6.4.9 8.5.8 18.4.9 15.5.9 4.1.10 14.2.8 8.2.4 13.3.1 1.5.4 13.5.1 12.6.1 19.5.9 14.6.5 6.5.5 1.3.9 10.6.1 7.3.3 8.6.10 20.1.3 14.4.7 6.5.4 12.2.9 15.2.10 2.5.6 3.6.10 8.4.9 9.4.10 11.5.1 10.1.8 15.3.10 15.1.9 19.3.3 1.5.10 4.4.10 9.5.4 5.5.2 18.2.8 9.1.3 1.1.4 1.3.8 13.5.8 6.5.8 3.1.8 10.6.4 11.3.4 13.4.8 3.5.1 18.2.10... | 6.4.9 8.5.8 18.4.9 15.5.9 4.1.10 14.2.8 8.2.4 13.3.1 1.5.4 13.5.1 12.6.1 19.5.9 14.6.5 6.5.5 1.3.9 10.6.1 7.3.3 8.6.10 20.1.3 14.4.7 6.5.4 12.2.9 15.2.10 2.5.6 3.6.10 8.4.9 9.4.10 11.5.1 10.1.8 15.3.10 15.1.9 19.3.3 1.5.10 4.4.10 9.5.4 5.5.2 18.2.8 9.1.3 1.1.4 1.3.8 13.5.8 6.5.8 3.1.8 10.6.4 11.3.4 13.4.8 3.5.1 18.2.10... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN TODAY | arnold_andre | arnold_andre | null | {} | hard | en | 197 | 197 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
chaocipher-v2-0320 | UFKEFIIRBCJTMPOJFBIXUJSJCSAZBLNBOPLWRQAUGUSGPXMXPJQSIUAXPDHOJGGDXAUWHHEXCXLF | UFKEFIIRBCJTMPOJFBIXUJSJCSAZBLNBOPLWRQAUGUSGPXMXPJQSIUAXPDHOJGGDXAUWHHEXCXLF | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0514 | ISDNBDYADTAEODGRTREEW | ISDNBDYADTAEODGRTREEW | BRIDGE DESTROYED AT DAWN | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
scytale-vg-0055 | CTHEOHTDMESBMLSYIOHHTRAIYDLSOALGUNBRRDEEWYEAOOSTRUTHKRAASTBNUHLDNOIXTUSXOGHX | CTHEOHTDMESBMLSYIOHHTRAIYDLSOALGUNBRRDEEWYEAOOSTRUTHKRAASTBNUHLDNOIXTUSXOGHX | COMMIT YOUR WORKS UNTO THE LORD AND YOUR THOUGHTS SHALL BE ESTABLISHED BY HIS GREAT HAND | scytale | scytale | transposition | {
"type": "integer",
"value": 4
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0008225 | TILRI CDHXA SMNWA HCXYE LCEAU EXYEH RPIXT XSMSA SXTRX CSXTR OCEX | TILRI CDHXA SMNWA HCXYE LCEAU EXYEH RPIXT XSMSA SXTRX CSXTR OCEX | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "DRAGON"
} | medium | en | 54 | 54 | synthetic_educational | null | null | [] | |
rail-fence-v2-0156 | WEIHGSTADSTODEMRGAU | WEIHGSTADSTODEMRGAU | WISDOM GUARDS THE GATE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0181 | GVZLGPGKIMLZBETQTEZSQMMETNIQCNRLQGBZDQMARKSAUEUKKRHBENBAMKQIVBOZNIBRKEEUFVPDNSOIGDWMKZYQ | GVZLGPGKIMLZBETQTEZSQMMETNIQCNRLQGBZDQMARKSAUEUKKRHBENBAMKQIVBOZNIBRKEEUFVPDNSOIGDWMKZYQ | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0275 | RQWLVNYKYLQPTYEVMTGDWLYPAQYTFAPMGAKIABGTTGDPWBLQUAKIUBEYPBYDPUTJPGDYGYNPBMNTBGHUBYMTNR | RQWLVNYKYLQPTYEVMTGDWLYPAQYTFAPMGAKIABGTTGDPWBLQUAKIUBEYPBYDPUTJPGDYGYNPBMNTBGHUBYMTNR | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
cda-0018473 | . ..... ... ... .... .... .... .. ... .... ... ..... ..... .... ... .. . ..... . . .... ... .... ..... .... .. . ..... .... ... .... ..... ... ... . ... . ..... .... .. .... .... . . .. .... ... ... .... .... ..... .... .. .... ... ... . . . .... .. .... .... ... .... .... .... .. .. .... | . ..... ... ... .... .... .... .. ... .... ... ..... ..... .... ... .. . ..... . . .... ... .... ..... .... .. . ..... .... ... .... ..... ... ... . ... . ..... .... .. .... .... . . .. .... ... ... .... .... ..... .... .. .... ... ... . . . .... .. .... .... ... .... .... .... .. .. .... | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | tap_code | tap_code | null | {} | medium | en | 41 | 41 | 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. |
kama-sutra-v2-0171 | WIHU XPCZL XEE WC WIHQL CTQ ULEK PL WYSL XQM HW DSUW KCEECT XU QHJIW WIL MXR | WIHU XPCZL XEE WC WIHQL CTQ ULEK PL WYSL XQM HW DSUW KCEECT XU QHJIW WIL MXR | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 60 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0018276 | HZBI OARL KMCS GTUO BZAK LAOZ YRXK RGLZ CPIX RPCU RDJU MWPN CPPX VHEH CHVY NYVN EHTV WWFO FDYD WZZY TVDK FFKO TQOI VOOF USPN DKLW DJFZ WDNW ORIY FKRH NTNK IROH DSLT ZBAU UZSL LIA | HZBI OARL KMCS GTUO BZAK LAOZ YRXK RGLZ CPIX RPCU RDJU MWPN CPPX VHEH CHVY NYVN EHTV WWFO FDYD WZZY TVDK FFKO TQOI VOOF USPN DKLW DJFZ WDNW ORIY FKRH NTNK IROH DSLT ZBAU UZSL LIA | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | vernam | vernam | null | {} | hard | en | 143 | 143 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
venona-pad-reuse-v3-0007 | DA2CFXBVDCRK6Y | DA2CFXBVDCRK6Y | MARCH TO VICTORY | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
m209-v3-0159 | LBWBPAYIVHWOJIOXRVYUPPVKRFTACOZNXSTWUQNGWMVPJJLBWYPAAVNAQVPYMCTBERBZMIAVPNJZUQ | LBWBPAYIVHWOJIOXRVYUPPVKRFTACOZNXSTWUQNGWMVPJJLBWYPAAVNAQVPYMCTBERBZMIAVPNJZUQ | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0483 | TNSEICNMOOIRTNUMIDROLPNAERISNRWVTIMATEDHSAOTPSIENHESFEREORITEMTCREGTENHELRIEHOLTOMLF | TNSEICNMOOIRTNUMIDROLPNAERISNRWVTIMATEDHSAOTPSIENHESFEREORITEMTCREGTENHELRIEHOLTOMLF | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0236 | AVYUCJQMUJPPLVHZMMUFMSFJUMZ | AVYUCJQMUJPPLVHZMMUFMSFJUMZ | DONT FIRE TILL YOU SEE THE WHITES | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
caesar-fr-003 | ABHF GRABAF PRF IREVGRF CBHE RIVQRAGRF RA RYYRFZRZRF | ABHF GRABAF PRF IREVGRF CBHE RIVQRAGRF RA RYYRFZRZRF | NOUS TENONS CES VERITES POUR EVIDENTES EN ELLESMEMES | caesar | caesar | substitution | {
"type": "shift",
"value": 13
} | beginner | fr | 45 | 52 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v3-0282 | 4361 5060 5645 4998 5563 5060 5060 5563 4614 4427 5397 5488 4154 5488 5963 5060 5645 5814 5060 5645 4871 4361 4614 4154 5741 4427 5563 4614 4427 4934 4361 5060 5645 4998 5563 5060 5963 5060 5645 5563 4614 4680 5488 4680 5488 5563 4614 4427 4550 5060 4871 4361 4427 4998 5397 5645 4871 4427 5060 4489 4154 4871 4871 5397 ... | 4361 5060 5645 4998 5563 5060 5060 5563 4614 4427 5397 5488 4154 5488 5963 5060 5645 5814 5060 5645 4871 4361 4614 4154 5741 4427 5563 4614 4427 4934 4361 5060 5645 4998 5563 5060 5963 5060 5645 5563 4614 4680 5488 4680 5488 5563 4614 4427 4550 5060 4871 4361 4427 4998 5397 5645 4871 4427 5060 4489 4154 4871 4871 5397 ... | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 288 | 359 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0453 | XEDNDLSTCSGTFDCSIHSHRLMOBLQDIZCKLCYINIWRKUZRNLHSSFBSGYKBGIGSNRHNLSFGGSWZIT | XEDNDLSTCSGTFDCSIHSHRLMOBLQDIZCKLCYINIWRKUZRNLHSSFBSGYKBGIGSNRHNLSFGGSWZIT | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0621 | UALTPQWQGEGJPMNSASMJQXGEAPSEGDRCMJVWMGTEETRGKQENAGEDPAALTQGTPVVGSIEMDPXSESGKQEHWMLEGJVWMGMJPVWESIEGESAAVWMGMJPVWESNLFALLAALTPSEAGJAVWMGDRIAPSGKQENAIWNPSEGFEGENPMGESJEMDQSDEQVSTEXKPEQGCTQXECJPGTWNNPSEDWMURKPGHWNS | UALTPQWQGEGJPMNSASMJQXGEAPSEGDRCMJVWMGTEETRGKQENAGEDPAALTQGTPVVGSIEMDPXSESGKQEHWMLEGJVWMGMJPVWESIEGESAAVWMGMJPVWESNLFALLAALTPSEAGJAVWMGDRIAPSGKQENAIWNPSEGFEGENPMGESJEMDQSDEQVSTEXKPEQGCTQXECJPGTWNNPSEDWMURKPGHWNS | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 211 | 211 | cipher_museum | 2.0 | public | null | null |
purple-v2-0301 | NQERPEUPJLYRPQUDJTZHIUQXITWXILQNQQYKZQBIBUHLWWOTXXEOMYRBKITBVCCXUBCEXJ | NQERPEUPJLYRPQUDJTZHIUQXITWXILQNQQYKZQBIBUHLWWOTXXEOMYRBKITBVCCXUBCEXJ | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
hill-v3-0081 | OXUMTXRRPLSAYHGSHYEPPYLDZWKRCSZVAOECZVWMTEOQBJZKFMTCWATSRSXIOXEEOXTFQEDQHGPQMILO | OXUMTXRRPLSAYHGSHYEPPYLDZWKRCSZVAOECZVWMTEOQBJZKFMTCWATSRSXIOXEEOXTFQEDQHGPQMILO | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0016650 | 17.36.9 17.31.10 20.40.2 2.47.5 3.42.7 4.16.10 2.47.12 2.38.7 19.3.7 20.6.11 7.4.10 4.28.10 2.16.6 4.49.4 3.27.10 4.1.14 13.31.1 10.2.5 19.9.7 19.3.15 11.46.12 11.29.14 7.2.8 20.19.8 13.16.6 8.43.3 10.42.11 1.16.5 5.38.8 9.17.12 3.14.2 16.2.12 6.41.3 10.13.1 8.3.9 1.38.13 17.18.1 7.29.13 4.33.12 14.47.4 16.13.14 | 17.36.9 17.31.10 20.40.2 2.47.5 3.42.7 4.16.10 2.47.12 2.38.7 19.3.7 20.6.11 7.4.10 4.28.10 2.16.6 4.49.4 3.27.10 4.1.14 13.31.1 10.2.5 19.9.7 19.3.15 11.46.12 11.29.14 7.2.8 20.19.8 13.16.6 8.43.3 10.42.11 1.16.5 5.38.8 9.17.12 3.14.2 16.2.12 6.41.3 10.13.1 8.3.9 1.38.13 17.18.1 7.29.13 4.33.12 14.47.4 16.13.14 | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | book_cipher | book_cipher | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
scytale-237 | IDSIWTTTNHIOHCISTARCRHTEHAEFATTGRSHHROEEEEMDYRATDGFTHEAOTEVVRASOEUSETTSKHIHTROOEOENNLBMOTAEAROSHIETTENDHFRIDAUENETLDGACLEBDAMDEWUEIFESACOTESARAFUTEKOREUERE | IDSIWTTTNHIOHCISTARCRHTEHAEFATTGRSHHROEEEEMDYRATDGFTHEAOTEVVRASOEUSETTSKHIHTROOEOENNLBMOTAEAROSHIETTENDHFRIDAUENETLDGACLEBDAMDEWUEIFESACOTESARAFUTEKOREUERE | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | scytale | scytale | transposition | {
"type": "integer",
"value": 5
} | intermediate | en | 155 | 155 | cipher_museum | 0.2 | public | null | null |
sigaba-113 | ESXNCBIMLNBBJCPVWWDZPGPLQALPAYCORLHEXJBJMSCFCEEPSRDUWTKWWYYR | ESXNCBIMLNBBJCPVWWDZPGPLQALPAYCORLHEXJBJMSCFCEEPSRDUWTKWWYYR | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | sigaba | sigaba | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0006353 | TIGLR IKEWO MZUAQ XTVFV YDOXS REGWO GQALO XYOQQ IRQKA HHVHQ MNLTG ATQGP VCRPU EZXCZ LLXDC OYOHB PGXWO NZJZS RESFK VFVCZ OBVOO TGVMR VSMLS ATRFH | TIGLR IKEWO MZUAQ XTVFV YDOXS REGWO GQALO XYOQQ IRQKA HHVHQ MNLTG ATQGP VCRPU EZXCZ LLXDC OYOHB PGXWO NZJZS RESFK VFVCZ OBVOO TGVMR VSMLS ATRFH | THE INDEX OF COINCIDENCE IS A USEFUL CLUE GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | trithemius | trithemius | null | {} | hard | en | 120 | 120 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
affine-v2-1277 | GEVKV AKMMCOK ZELLEUM | GEVKV AKMMCOK ZELLEUM | CODED MESSAGE FOLLOWS | affine | affine | substitution | {
"a": 15,
"b": 2
} | beginner | en | 19 | 21 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0272 | DOSECYJFABBOGKOKPZOQTOBTYMKYATYWAJOSJHBOIVULSIDTJVAHREVIGFOZATXFVOGVOAPIUB | DOSECYJFABBOGKOKPZOQTOBTYMKYATYWAJOSJHBOIVULSIDTJVAHREVIGFOZATXFVOGVOAPIUB | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0014150 | 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 18 18 15 21 20 5 3 9 16 8 5 18 19 18 5 1 4 1 7 18 9 4 9 14 1 16 18 5 19 3 18 9 2 5 4 7 5 15 13 5 20 18 9 3 16 1 20 20 5 18 14 | 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 18 18 15 21 20 5 3 9 16 8 5 18 19 18 5 1 4 1 7 18 9 4 9 14 1 16 18 5 19 3 18 9 2 5 4 7 5 15 13 5 20 18 9 3 16 1 20 20 5 18 14 | A STRONG CLAIM NEEDS STRONG EVIDENCE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 124 | 124 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
kama-sutra-v2-0153 | ICQCY XPCZL XEE | ICQCY XPCZL XEE | HONOR ABOVE ALL | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 13 | 15 | cipher_museum | 2.0 | public | null | null |
commercial-code-v3-0069 | ZUZUZ FAZUZ BAZUZ WAZUZ DEZUZ LAZUZ RAZUZ XUZUZ ZUZUZ SAZUZ CAZUZ XAZUZ GAZUZ WAZUZ CEZUZ GAZUZ FAZUZ XUZUZ JABAB ZUZUZ XAZUZ TAZUZ GAZUZ DAZUZ LAZUZ GAZUZ XAZUZ XUZUZ ZUZUZ GAZUZ CEZUZ SAZUZ PAZUZ CEZUZ GAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ WAZUZ SAZUZ BEZUZ JAZUZ KAZUZ XUZUZ ZUZUZ RAZUZ BAZUZ ZAZUZ BEZUZ WAZUZ BAZUZ PAZUZ XU... | ZUZUZ FAZUZ BAZUZ WAZUZ DEZUZ LAZUZ RAZUZ XUZUZ ZUZUZ SAZUZ CAZUZ XAZUZ GAZUZ WAZUZ CEZUZ GAZUZ FAZUZ XUZUZ JABAB ZUZUZ XAZUZ TAZUZ GAZUZ DAZUZ LAZUZ GAZUZ XAZUZ XUZUZ ZUZUZ GAZUZ CEZUZ SAZUZ PAZUZ CEZUZ GAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ WAZUZ SAZUZ BEZUZ JAZUZ KAZUZ XUZUZ ZUZUZ RAZUZ BAZUZ ZAZUZ BEZUZ WAZUZ BAZUZ PAZUZ XU... | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 455 | 545 | cipher_museum | 2.0 | public | null | null |
diana-v3-0422 | MKAYDVINKQTAJEOF | MKAYDVINKQTAJEOF | THE GATES HOLD FIRM | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0005990 | GCLX HITE PTAO OTOL ISXR AOID EOLI LXXI NSND UAET MX | GCLX HITE PTAO OTOL ISXR AOID EOLI LXXI NSND UAET MX | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | stager_route | stager_route | null | {
"cols": 7
} | medium | en | 42 | 42 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
affine-450 | WDAAN DM ODXQ | WDAAN DM ODXQ | RALLY AT DAWN | affine | affine | substitution | {
"a": 21,
"b": 3
} | beginner | en | 11 | 13 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v3-0008 | QGL ZLXYQL MLOVLLZ | QGL ZLXYQL MLOVLLZ | THE SENATE DECREES | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 16 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0018236 | 65 69 57 43 20 50 59 61 82 29 52 69 11 82 11 57 82 66 66 82 80 61 68 61 65 68 50 80 61 69 76 29 59 77 20 82 80 61 76 80 69 77 69 29 82 66 69 76 50 95 82 | 65 69 57 43 20 50 59 61 82 29 52 69 11 82 11 57 82 66 66 82 80 61 68 61 65 68 50 80 61 69 76 29 59 77 20 82 80 61 76 80 69 77 69 29 82 66 69 76 50 95 82 | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | wallis_cipher | wallis_cipher | null | {} | medium | en | 51 | 51 | 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-0015092 | 10.3.6 15.47.2 20.29.3 4.21.7 3.18.15 3.8.4 11.37.4 1.26.4 17.47.3 17.11.4 15.8.11 14.27.2 1.15.14 16.41.11 7.19.5 7.8.2 17.23.3 11.38.3 18.14.8 9.10.14 19.47.14 7.2.1 15.31.7 6.29.14 8.50.7 4.26.12 16.4.9 3.13.3 14.31.7 1.25.11 13.50.8 2.31.11 1.19.15 7.35.3 5.24.8 3.6.1 15.30.1 16.30.8 20.33.7 2.3.11 12.32.2 13.14.3 ... | 10.3.6 15.47.2 20.29.3 4.21.7 3.18.15 3.8.4 11.37.4 1.26.4 17.47.3 17.11.4 15.8.11 14.27.2 1.15.14 16.41.11 7.19.5 7.8.2 17.23.3 11.38.3 18.14.8 9.10.14 19.47.14 7.2.1 15.31.7 6.29.14 8.50.7 4.26.12 16.4.9 3.13.3 14.31.7 1.25.11 13.50.8 2.31.11 1.19.15 7.35.3 5.24.8 3.6.1 15.30.1 16.30.8 20.33.7 2.3.11 12.32.2 13.14.3 ... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | book_cipher | book_cipher | null | {} | hard | en | 201 | 201 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
running-key-041 | YLHBRHSXTERHL | YLHBRHSXTERHL | CHANGE OF PLANS | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Declaration paraphrase"
} | intermediate | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
hill-v3-0192 | TAIDQANNMRTDJANNBDDAQPPJHCEXCIAEEOTQATIEHIUPUQANBDXXWSJGLPHVDUQEZMJODCBDGWDATQOXBDJL | TAIDQANNMRTDJANNBDDAQPPJHCEXCIAEEOTQATIEHIUPUQANBDXXWSJGLPHVDUQEZMJODCBDGWDATQOXBDJL | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0432 | GDGXADADADFXGAXXAAGXDAXFXGXFGFXDXDAGXFXDDDAXGDGXADFDAGGGDGDGDGAAAAXGXFXFFAGADDFAGGXGGDFAFDGFAXXFDGDXADFDXFXDXDXAXDFFAGDGXFGDDAXDXGFAAGGAAXDDDAXXDF | GDGXADADADFXGAXXAAGXDAXFXGXFGFXDXDAGXFXDDDAXGDGXADFDAGGGDGDGDGAAAAXGXFXFFAGADDFAGGXGGDFAFDGFAXXFDGDXADFDXFXDXDXAXDFFAGDGXFGDDAXDXGFAAGGAAXDDDAXXDF | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 146 | 146 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0455 | DOVQRAVILYRVYLOZUEFGYTZUTAEWVKIDGSGEOWUISESMEITAEPGUGYGZLEUZFLOUBVZZEYHPFYLEX | DOVQRAVILYRVYLOZUEFGYTZUTAEWVKIDGSGEOWUISESMEITAEPGUGYGZLEUZFLOUBVZZEYHPFYLEX | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
hill-229 | HGRERRDUWPVJZLJOPQRNVQKQWEPQFPBPZLVQMLQMDUMBTXBDMJEOBDGL | HGRERRDUWPVJZLJOPQRNVQKQWEPQFPBPZLVQMLQMDUMBTXBDMJEOBDGL | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | hill | hill | polygraphic | {
"a": 5,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
red-type-a-v2-0006 | DRIXOBTEMDING | DRIXOBTEMDING | THE PASS IS HELD | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0320 | NYTHUXSFFLBRPCVU | NYTHUXSFFLBRPCVU | THE SENATE DECREES | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0009125 | SCTH IOPE MELN LTRR STSN TLEN OHIE FAEA TIHH FEEE ENSI TATN HRLO SRXD NOPX HAXO UWPX FCSE XIIB AEWL SFCE EHAT EA | SCTH IOPE MELN LTRR STSN TLEN OHIE FAEA TIHH FEEE ENSI TATN HRLO SRXD NOPX HAXO UWPX FCSE XIIB AEWL SFCE EHAT EA | THE BEST LESSONS SHOW WHERE THE METHOD FAILS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "PALACE"
} | hard | en | 90 | 90 | synthetic_educational | null | null | [] | |
fractionated-morse-v2-0330 | GTLMMDPNYAPYAYHVMBBMAKGJPGIAPBAEVMMBMMKTBMAAGLPVAYMDWJUGJVVSGFYPYLVMGALVNNLQQABKAAQWDQQNC | GTLMMDPNYAPYAYHVMBBMAKGJPGIAPBAEVMMBMMKTBMAAGLPVAYMDWJUGJVVSGFYPYLVMGALVNNLQQABKAAQWDQQNC | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 89 | 89 | cipher_museum | 2.0 | public | null | null |
cda-0021398 | 22 42 34 33 43 21 15 31 14 45 43 15 43 11 14 24 22 24 44 43 15 41 45 15 33 13 15 11 43 44 23 15 42 15 35 15 11 44 24 33 22 25 15 54 44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 | 22 42 34 33 43 21 15 31 14 45 43 15 43 11 14 24 22 24 44 43 15 41 45 15 33 13 15 11 43 44 23 15 42 15 35 15 11 44 24 33 22 25 15 54 44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | polybius | polybius | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
caesar-561 | SGD AQHCFD HR RDBTQDC | SGD AQHCFD HR RDBTQDC | THE BRIDGE IS SECURED | caesar | caesar | substitution | {
"type": "shift",
"value": 25
} | beginner | en | 18 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0015692 | 13.13.13 19.43.8 12.2.14 5.33.5 8.37.14 18.12.5 10.12.9 1.22.10 10.10.8 15.17.9 1.5.15 17.35.14 12.5.9 1.9.15 19.46.7 9.38.4 14.3.1 19.43.2 14.23.12 14.35.7 11.47.3 1.1.5 19.10.10 15.33.6 14.33.1 15.15.7 4.16.14 7.20.12 3.25.7 17.34.3 12.19.1 8.19.14 8.31.14 11.22.13 19.35.1 20.35.8 8.44.4 9.6.8 9.5.3 16.50.11 15.9.9 1... | 13.13.13 19.43.8 12.2.14 5.33.5 8.37.14 18.12.5 10.12.9 1.22.10 10.10.8 15.17.9 1.5.15 17.35.14 12.5.9 1.9.15 19.46.7 9.38.4 14.3.1 19.43.2 14.23.12 14.35.7 11.47.3 1.1.5 19.10.10 15.33.6 14.33.1 15.15.7 4.16.14 7.20.12 3.25.7 17.34.3 12.19.1 8.19.14 8.31.14 11.22.13 19.35.1 20.35.8 8.44.4 9.6.8 9.5.3 16.50.11 15.9.9 1... | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | book_cipher | book_cipher | null | {} | hard | en | 89 | 89 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
joseon-yeokhak-112 | PUAOLILNPUUPUNDHZAOLDVYKHUKAOLDVYKDHZDPAONVKHUKMBSSVMNYHJL | PUAOLILNPUUPUNDHZAOLDVYKHUKAOLDVYKDHZDPAONVKHUKMBSSVMNYHJL | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "CIPHER"
} | beginner | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
kryha-v2-0129 | DAXZEYPDOAD | DAXZEYPDOAD | HOLD THE LINE | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0323 | TVD ITOBT ROTQBT LGDJT | TVD ITOBT ROTQBT LGDJT | AVE MARIA GRATIA PLENA | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "THUNDER"
} | beginner | en | 19 | 22 | cipher_museum | 2.0 | public | null | null |
m94-v3-0226 | ICGNMMTRRPBFZFDHC | ICGNMMTRRPBFZFDHC | THE RAILWAY ARRIVES | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
affine-v2-1288 | GEQXCOK SP VCXWPKMM | GEQXCOK SP VCXWPKMM | COURAGE IN DARKNESS | affine | affine | substitution | {
"a": 15,
"b": 2
} | beginner | en | 17 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0021505 | 12.5.8 15.2.4 11.2.5 14.3.1 3.3.4 16.5.8 3.6.9 19.5.10 1.5.5 15.4.10 18.5.6 14.1.1 10.2.10 16.1.9 3.3.7 13.1.8 12.2.2 1.1.6 19.2.7 1.1.9 16.1.9 13.6.5 12.3.4 15.3.7 2.6.4 6.2.1 3.6.4 10.3.2 11.1.8 13.5.5 1.5.9 18.5.7 1.4.7 10.1.9 17.1.5 4.5.5 5.3.8 1.2.5 19.2.10 16.1.10 11.6.7 12.1.5 18.2.7 10.4.7 6.1.7 1.1.1 19.5.9 1.... | 12.5.8 15.2.4 11.2.5 14.3.1 3.3.4 16.5.8 3.6.9 19.5.10 1.5.5 15.4.10 18.5.6 14.1.1 10.2.10 16.1.9 3.3.7 13.1.8 12.2.2 1.1.6 19.2.7 1.1.9 16.1.9 13.6.5 12.3.4 15.3.7 2.6.4 6.2.1 3.6.4 10.3.2 11.1.8 13.5.5 1.5.9 18.5.7 1.4.7 10.1.9 17.1.5 4.5.5 5.3.8 1.2.5 19.2.10 16.1.10 11.6.7 12.1.5 18.2.7 10.4.7 6.1.7 1.1.1 19.5.9 1.... | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE BEST LESSONS SHOW WHERE THE METHOD FAILS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | arnold_andre | arnold_andre | null | {} | hard | en | 117 | 117 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
wallis-cipher-v2-0127 | 90 15 44 63 91 90 41 54 76 91 90 84 53 91 90 75 18 40 45 91 | 90 15 44 63 91 90 41 54 76 91 90 84 53 91 90 75 18 40 45 91 | THE DIE IS CAST | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 40 | 59 | cipher_museum | 2.0 | public | null | null |
cda-0021255 | ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB ABBAA ABBAB BAABA AAAAB BAAAA ABBAB ABAAB AABAA ABBAA AAAAB BABBA ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA BAABA BABAA ABBAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA AA... | ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB ABBAA ABBAB BAABA AAAAB BAAAA ABBAB ABAAB AABAA ABBAA AAAAB BABBA ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA BAABA BABAA ABBAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA AA... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | bacon_cipher | bacon_cipher | null | {} | hard | en | 1,005 | 1,005 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
bazeries-v3-0656 | TAPIAMTAPNLSQILPNHUTAFLIN | TAPIAMTAPNLSQILPNHUTAFLIN | THE SHOT HEARD ROUND THE WORLD | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
cda-0007777 | ERTRIICWHKHJUAZGEJLEVBPESAVBVNPEEXJSVFLBKLOUAHVIYXZFRKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETLLVAEUWHJIGADBUQIPSEUZTHVISEKECVTGKVDABMLFMPANIGNBLOUAHVMBXUSFLHKQASKHOHZEFICWQSGTYVHFX | ERTRIICWHKHJUAZGEJLEVBPESAVBVNPEEXJSVFLBKLOUAHVIYXZFRKMINRRYZILRBGLGXSWOCVGNIEBXPUNKXWVIETLLVAEUWHJIGADBUQIPSEUZTHVISEKECVTGKVDABMLFMPANIGNBLOUAHVMBXUSFLHKQASKHOHZEFICWQSGTYVHFX | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE | autokey | autokey | null | {
"primer": "PRAYER"
} | hard | en | 177 | 177 | synthetic_educational | null | null | [] | |
vigenere-068 | ZSNUTHKMVZSG | ZSNUTHKMVZSG | HOLD POSITION | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
one-time-pad-v2-0001 | TIGGMJOZKJCE | TIGGMJOZKJCE | THE DIE IS CAST | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0575 | QB EIA BPM JMAB WN BQUMA QB EIA IV IOM WN EQALWU IVL IV IOM WN CBBMZ NWWTQAPVMAA | QB EIA BPM JMAB WN BQUMA QB EIA IV IOM WN EQALWU IVL IV IOM WN CBBMZ NWWTQAPVMAA | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | caesar | caesar | substitution | {
"type": "shift",
"value": 8
} | beginner | en | 63 | 80 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0305 | 83 28 70 36 37 65 28 76 56 36 64 29 | 83 28 70 36 37 65 28 76 56 36 64 29 | GOLD FROM LEAD | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 24 | 35 | cipher_museum | 2.0 | public | null | null |
playfair-157 | BQQTERQESBPAECWSQVSBTEBAPWPNFLGSISTEFEPNAMRGQESMSMHEVHEMPO | BQQTERQESBPAECWSQVSBTEBAPWPNFLGSISTEFEPNAMRGQESMSMHEVHEMPO | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0128 | PMTEYRTAPOQGYNYWJMPONYX | PMTEYRTAPOQGYNYWJMPONYX | CARTHAGE MUST BE DESTROYED | bazeries | bazeries | transposition | {
"type": "integer",
"value": 23
} | advanced | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0011 | OOJKUOQCWBASTDVG | OOJKUOQCWBASTDVG | TARGET ACQUIRED | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0909 | YIEHHQDFWXMVHTJRVXRTOTEHYFHUSXGSYSDYFTIUOFNFRWZWFMFYXDZQWKMRJHTJFTTRGUYZSRWCKTLVTUSEJEGI | YIEHHQDFWXMVHTJRVXRTOTEHYFHUSXGSYSDYFTIUOFNFRWZWFMFYXDZQWKMRJHTJFTTRGUYZSRWCKTLVTUSEJEGI | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-vi-0073 | RLSHSEFKMGEETSLTEHFOIBSHFHLDSLSHDOTBESENALRTGLOMIAATTBTEONHLHTBALAIRNETU | RLSHSEFKMGEETSLTEHFOIBSHFHLDSLSHDOTBESENALRTGLOMIAATTBTEONHLHTBALAIRNETU | THE FIRST SHALL BE LAST AND THE LAST SHALL BE FIRST FOR THE KINGDOM BELONGS TO THE HUMBLE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
jn25-v3-0146 | 09992 09903 09908 09992 09999 09907 09996 09992 09903 09908 | 09992 09903 09908 09992 09999 09907 09996 09992 09903 09908 | DOT DASH DOT | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 50 | 59 | cipher_museum | 2.0 | public | null | null |
cda-0016369 | BAAB ABAB AAAB BABB AAAB ABBB BBAA BBAA AAAB AAAA AABA AAAA BAAB AAAA BBBA AABB BAAB AABA AAAA ABAA ABBA AAAA BABA AAAB ABBA ABBB ABAA BABA AABA AABB ABAA AAAB BABA AAAA AAAA ABBB AAAB BBBA AABB ABAA ABAA ABAA BAAA BBBB AABA BABA AABB ABAB BBAA BBAB ABAB ABAB BAAA AABA BAAA BAAB BBAA ABAA AAAA BABA ABBB AAAB BBAA AAAA ... | BAAB ABAB AAAB BABB AAAB ABBB BBAA BBAA AAAB AAAA AABA AAAA BAAB AAAA BBBA AABB BAAB AABA AAAA ABAA ABBA AAAA BABA AAAB ABBA ABBB ABAA BABA AABA AABB ABAA AAAB BABA AAAA AAAA ABBB AAAB BBBA AABB ABAA ABAA ABAA BAAA BBBB AABA BABA AABB ABAB BBAA BBAB ABAB ABAB BAAA AABA BAAA BAAB BBAA ABAA AAAA BABA ABBB AAAB BBAA AAAA ... | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | bacon_cipher | bacon_cipher | null | {} | hard | en | 475 | 475 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0017503 | 44 23 15 44 42 24 44 23 15 32 24 45 43 13 24 35 23 15 42 11 14 51 11 33 13 15 43 44 23 15 11 31 35 23 11 12 15 44 12 54 34 33 15 35 34 43 24 44 24 34 33 15 11 13 23 31 15 44 44 15 42 44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 43 45 12 43 44 24 44 45 44... | 44 23 15 44 42 24 44 23 15 32 24 45 43 13 24 35 23 15 42 11 14 51 11 33 13 15 43 44 23 15 11 31 35 23 11 12 15 44 12 54 34 33 15 35 34 43 24 44 24 34 33 15 11 13 23 31 15 44 44 15 42 44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 43 45 12 43 44 24 44 45 44... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | polybius | polybius | null | {} | hard | en | 193 | 193 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
cda-0019641 | 60 17 22 80 1 11 66 50 80 93 23 53 1 40 66 81 1 91 66 76 15 46 93 99 64 50 3 48 63 33 1 25 48 62 60 58 59 57 58 27 4 43 93 70 35 93 63 88 23 3 60 22 53 60 | 60 17 22 80 1 11 66 50 80 93 23 53 1 40 66 81 1 91 66 76 15 46 93 99 64 50 3 48 63 33 1 25 48 62 60 58 59 57 58 27 4 43 93 70 35 93 63 88 23 3 60 22 53 60 | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | homophonic | homophonic | null | {} | medium | en | 54 | 54 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
copiale-v3-0027 | B1 L1 R8 K0 U4 Q7 C5 A4 A6 T7 C5 I1 C7 D0 A9 I8 O4 U6 Q6 S0 | B1 L1 R8 K0 U4 Q7 C5 A4 A6 T7 C5 I1 C7 D0 A9 I8 O4 U6 Q6 S0 | THE COMPASS POINTS TRUE | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 40 | 59 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0322 | 127 164 156 101 101 130 158 168 154 165 168 152 121 114 121 132 140 101 140 169 125 119 152 118 142 100 120 101 140 169 164 135 171 149 137 141 139 161 164 135 158 169 156 168 114 111 106 158 114 138 129 152 118 156 132 | 127 164 156 101 101 130 158 168 154 165 168 152 121 114 121 132 140 101 140 169 125 119 152 118 142 100 120 101 140 169 164 135 171 149 137 141 139 161 164 135 158 169 156 168 114 111 106 158 114 138 129 152 118 156 132 | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 165 | 219 | cipher_museum | 2.0 | public | null | null |
argenti-018 | 53 34 28 14 66 44 68 83 48 28 32 40 64 30 29 62 | 53 34 28 14 66 44 68 83 48 28 32 40 64 30 29 62 | BURN AFTER READING | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ARGENTI"
} | expert | en | 32 | 47 | cipher_museum | 0.2 | public | null | null |
sigaba-v2-0059 | USTQZOUGNMTINRLPHSPKAPAIFBHYEVCDWQIENTUZFLZMDPXKNEYGWKHEFHEWDXOVERPQODHM | USTQZOUGNMTINRLPHSPKAPAIFBHYEVCDWQIENTUZFLZMDPXKNEYGWKHEFHEWDXOVERPQODHM | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0120 | 90 18 55 75 44 63 20 53 91 90 15 85 91 90 45 58 76 91 90 67 47 30 77 40 91 | 90 18 55 75 44 63 20 53 91 90 15 85 91 90 45 58 76 91 90 67 47 30 77 40 91 | ARCHERS TO THE WALLS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 50 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0009909 | CTAE CANM DIOS UUTE NRNO PBEA EDEO LSES RELS EDCT IAPU STTS AHBI MODN HTMH AAUE KSSN TYER SATI AICE ARKR DEER YOTR OHLH IPRN TILO CSME RIHH RUOR SEHF | CTAE CANM DIOS UUTE NRNO PBEA EDEO LSES RELS EDCT IAPU STTS AHBI MODN HTMH AAUE KSSN TYER SATI AICE ARKR DEER YOTR OHLH IPRN TILO CSME RIHH RUOR SEHF | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 120 | 120 | synthetic_educational | null | null | [] | |
lorenz-v2-0109 | YESTERDAYDECEMBERSEVENTHJINETEENEORTYKNEADATEWHICHWILPLIVEININFAMYTHEUNITEDTTATESOBAMERIGAWASSUDDENLYANDDELIBERETELYATSACKEDBYNAVALANDAIRFOVGESOFTHEEMPIREOFJAPAN | YESTERDAYDECEMBERSEVENTHJINETEENEORTYKNEADATEWHICHWILPLIVEININFAMYTHEUNITEDTTATESOBAMERIGAWASSUDDENLYANDDELIBERETELYATSACKEDBYNAVALANDAIRFOVGESOFTHEEMPIREOFJAPAN | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
typex-v2-0410 | TWKLUYGQMBLBR | TWKLUYGQMBLBR | E PLURIBUS UNUM | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0089 | UGPCKUHKQSHNBKUMOCEMWKCKGROUQTDECSEMZPUGPCKUGRGZHNKANQDEFLCSBOOCOHDWRCKGVKUGLCCSGZUMSECKKANQDEFLCSGZNKHBRCKGUGLUAZKUFRZDNPBOENSLKLKGUGLZCUBORFCWUFLCPFPOTYBOOCOHDWSY | UGPCKUHKQSHNBKUMOCEMWKCKGROUQTDECSEMZPUGPCKUGRGZHNKANQDEFLCSBOOCOHDWRCKGVKUGLCCSGZUMSECKKANQDEFLCSGZNKHBRCKGUGLUAZKUFRZDNPBOENSLKLKGUGLZCUBORFCWUFLCPFPOTYBOOCOHDWSY | 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 | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0016606 | ctaiin ctaiin okedy lkaiin okain shedy sheol cheol ctaiin chedy okshy chedal kaiiin rcheol ypchol okedy ypchol daral chol qotedy daral oxed ykcheol cheol qokal otol kaiiin otaiin choldaiin lkaiin chor ytaiin sheol okeedy chedy shedy lkaiin okedy otain chedy daral shedy otain | ctaiin ctaiin okedy lkaiin okain shedy sheol cheol ctaiin chedy okshy chedal kaiiin rcheol ypchol okedy ypchol daral chol qotedy daral oxed ykcheol cheol qokal otol kaiiin otaiin choldaiin lkaiin chor ytaiin sheol okeedy chedy shedy lkaiin okedy otain chedy daral shedy otain | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG A STRONG CLAIM NEEDS STRONG EVIDENCE | voynich_render | voynich_render | null | {} | hard | en | 233 | 233 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
beaufort-v2-0491 | BWEIDQFDNFBQSAJLNBMQCDAPXNAYOTNKKMZUMCXOSNOTNFODJPAPIUUGWCQXIAEOTNOKXYBAGXVNROIVXKFZCJDPVNNUMAIHYJWPQKGHLOMDHXQRQIYUKSGHIKNJDNPMXOLMEBAAPWGXQZAXVNADNRKKUGQWRYQMEOTNWGQGE | BWEIDQFDNFBQSAJLNBMQCDAPXNAYOTNKKMZUMCXOSNOTNFODJPAPIUUGWCQXIAEOTNOKXYBAGXVNROIVXKFZCJDPVNNUMAIHYJWPQKGHLOMDHXQRQIYUKSGHIKNJDNPMXOLMEBAAPWGXQZAXVNADNRKKUGQWRYQMEOTNWGQGE | 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 | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "HARBOUR"
} | intermediate | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
rail-fence-279 | FOAEAOVRDNVWOCRASLDAHTTTFTOTROEUEHBHBDRNEEA | FOAEAOVRDNVWOCRASLDAHTTTFTOTROEUEHBHBDRNEEA | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
kl7-v2-0267 | TTQTGQIXIWISLNGT | TTQTGQIXIWISLNGT | ABORT AND WITHDRAW | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-018 | DVLENFYXVIVEDLVT | DVLENFYXVIVEDLVT | BURN AFTER READING | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CARDANO"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v2-0399 | GEUZ MJIXNFL | GEUZ MJIXNFL | KNOW THYSELF | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 11 | 12 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0375 | QABARSVSBOTHZGOFKQJFOAFAVULYQYXTACQRTEWPHBIBKFJBWCBKWUWLLOAWWDMUMCXEFWRDTBGYTOVXZCFJJMFRZSLGQMXANBFKSSWNBHXGTRMHHNJPUKMFKJQFMYFPHIKAQISPNYIBMMFJHBNFRHMOXNLWSWSYXYE | QABARSVSBOTHZGOFKQJFOAFAVULYQYXTACQRTEWPHBIBKFJBWCBKWUWLLOAWWDMUMCXEFWRDTBGYTOVXZCFJJMFRZSLGQMXANBFKSSWNBHXGTRMHHNJPUKMFKJQFMYFPHIKAQISPNYIBMMFJHBNFRHMOXNLWSWSYXYE | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 163 | 163 | cipher_museum | 2.0 | public | null | null |
cda-0018488 | 4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15... | 4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15... | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 184 | 184 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
chaocipher-v3-0261 | YWQMZVZFDGUGSUTIALTCNOXOVENXBUZJKAQKWWZAQYMGNHJHCRCMRJSPGBPFHXUGPECASIFMT | YWQMZVZFDGUGSUTIALTCNOXOVENXBUZJKAQKWWZAQYMGNHJHCRCMRJSPGBPFHXUGPECASIFMT | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
hill-v3-0209 | YHSIPQVLXZCMPRYCPD | YHSIPQVLXZCMPRYCPD | THE ORACLE HAS SPOKEN | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0014825 | AHJAH GAHAK HATSA HDIBE HMAED ZEHDI BEHYA ZZIEB ENODA IHDIB EHDZE HDIBE HWOLL ACHEE BETKI NAHJA HTKIN THANZ IEDIB EHDZE HCAYE ILTHN ODAIH DZEHT SAHMO ASIDZ EHWOL LACHE EDIBE HTHAN ZIELI NDZEH GAHDZ EHCLA GIAIH DZEHW OLLAC HEETH ANZIE TKINT SAH | AHJAH GAHAK HATSA HDIBE HMAED ZEHDI BEHYA ZZIEB ENODA IHDIB EHDZE HDIBE HWOLL ACHEE BETKI NAHJA HTKIN THANZ IEDIB EHDZE HCAYE ILTHN ODAIH DZEHT SAHMO ASIDZ EHWOL LACHE EDIBE HTHAN ZIELI NDZEH GAHDZ EHCLA GIAIH DZEHW OLLAC HEETH ANZIE TKINT SAH | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | navajo_code | navajo_code | null | {} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
diana-v3-0199 | ZIACRONWHTRGJXAXLVEXHHPICRWUKUALPMYKJXJIHHHLJYVMJHBCSPTHGLRGAPAQPNLKMYHRLVESUWLENUNTSCBJBJHOMEEQMGBPLUUNTGPNABJXYWAKINIEOVYGHDXLMGAPARLBUQHUKOKJEXSENQQWAYPLNKIHSLLCLUITKCY | ZIACRONWHTRGJXAXLVEXHHPICRWUKUALPMYKJXJIHHHLJYVMJHBCSPTHGLRGAPAQPNLKMYHRLVESUWLENUNTSCBJBJHOMEEQMGBPLUUNTGPNABJXYWAKINIEOVYGHDXLMGAPARLBUQHUKOKJEXSENQQWAYPLNKIHSLLCLUITKCY | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 171 | 171 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0121 | NZSOXNAKYOYTFJXQOCJHWOXFJRJOAIUXHKBJIZDQGJACNEJUGATYNVFMSKBHIAIOXNCYXXKWASHFVPZKLBKLNTAOLTYQYZAKJTDRKWNLHEBNAAPQAAVLDZUUFQYNAWUXHYBFUAIAVNUATEJNBAUKMN | NZSOXNAKYOYTFJXQOCJHWOXFJRJOAIUXHKBJIZDQGJACNEJUGATYNVFMSKBHIAIOXNCYXXKWASHFVPZKLBKLNTAOLTYQYZAKJTDRKWNLHEBNAAPQAAVLDZUUFQYNAWUXHYBFUAIAVNUATEJNBAUKMN | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NELSON"
} | intermediate | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
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