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-0020659 | THEON ETIME PADIZ THEOR ETICA LLYUN BREAK ABLEI FUSED CORRZ CTLYD OUBLE TRANZ POSIT IONAP PLIES COLUX NAREN CRYPT IONTX ICEXZ | THEON ETIME PADIZ THEOR ETICA LLYUN BREAK ABLEI FUSED CORRZ CTLYD OUBLE TRANZ POSIT IONAP PLIES COLUX NAREN CRYPT IONTX ICEXZ | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | commercial_code | commercial_code | null | {} | hard | en | 105 | 105 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
scytale-v2-0281 | PICRGIOXXXAEEISCRXXXTNBNVTYXXX | PICRGIOXXXAEEISCRXXXTNBNVTYXXX | PATIENCE BRINGS VICTORY | scytale | scytale | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-vi-0015 | SEWINDTRTERHSETUTTMROOREEELPVFNVEOOADGOHPMIARIOIUBEYIOAPRWLAEWOELNCENGFTOIWEATDGP | SEWINDTRTERHSETUTTMROOREEELPVFNVEOOADGOHPMIARIOIUBEYIOAPRWLAEWOELNCENGFTOIWEATDGP | LET US NOT BECOME WEARY IN DOING GOOD FOR AT THE PROPER TIME WE WILL REAP A HARVEST IF WE DO NOT GIVE UP | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0020 | JOADHVBMAECH | JOADHVBMAECH | GOLD FROM LEAD | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0329 | YYIOLBSWLQKVQYIIMLGB | YYIOLBSWLQKVQYIIMLGB | THE KING DEMANDS FEALTY | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-107 | 7352817312217310110208517120741029287095652220272712820711282427521207272275 | 7352817312217310110208517120741029287095652220272712820711282427521207272275 | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "CIPHERMUS"
} | advanced | en | 76 | 76 | cipher_museum | 0.2 | public | null | null |
cda-0018584 | GVPW EGOV MMPV IHTG BKWV RNML SCHT MRUA UJMH CEVV CGZB JVKF VALQ JNHL KRXA CCOH CHMA HAXL CSPG EH | GVPW EGOV MMPV IHTG BKWV RNML SCHT MRUA UJMH CEVV CGZB JVKF VALQ JNHL KRXA CCOH CHMA HAXL CSPG EH | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | vernam | vernam | null | {} | medium | en | 78 | 78 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
diana-v2-0341 | MHNBERXBLJQFQDDJLEFWZCMAXBRJACLKNPAHXPRBAZYSRKKFDAWYNOCNTXNSSMJKISUWJPYLFCJPLKTK | MHNBERXBLJQFQDDJLEFWZCMAXBRJACLKNPAHXPRBAZYSRKKFDAWYNOCNTXNSSMJKISUWJPYLFCJPLKTK | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0143 | I3 M4 D5 F0 F5 Q8 K2 S7 C6 R0 N9 L2 Q2 E0 L8 F7 B4 N7 S7 P3 F6 | I3 M4 D5 F0 F5 Q8 K2 S7 C6 R0 N9 L2 Q2 E0 L8 F7 B4 N7 S7 P3 F6 | THE EXPERIMENT CONFIRMS | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 42 | 62 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0413 | YWXTESOMYLDUOFSKDUWTOZUEJYIRLUGHUJDURSFYXAKOGPFUMUQSERROZULLAWOBFIRINYEINNDUWWENIJHOYYFYLYOQSKYELUICHDIPIGUXAENVFAQENGHAEQUPPETPTTUCIDCERUCVFUSISFDVUUGZIHJORVHYWOPC | YWXTESOMYLDUOFSKDUWTOZUEJYIRLUGHUJDURSFYXAKOGPFUMUQSERROZULLAWOBFIRINYEINNDUWWENIJHOYYFYLYOQSKYELUICHDIPIGUXAENVFAQENGHAEQUPPETPTTUCIDCERUCVFUSISFDVUUGZIHJORVHYWOPC | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
slidex-005 | KCTXMGLEYXMSQKER | KCTXMGLEYXMSQKER | THE COAST IS CLEAR | slidex | slidex | transposition | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
wheatstone-026 | SJMVWMAGWMENIJV | SJMVWMAGWMENIJV | FORWARD MARCH NOW | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "WHEATSTONE"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0198 | 52 48 56 59 39 95 68 73 39 37 55 66 84 56 46 29 49 28 60 55 49 46 36 47 28 68 65 80 52 38 29 28 49 84 76 56 29 49 55 39 67 56 73 30 28 57 39 65 56 43 36 37 59 68 75 47 42 57 59 56 68 75 49 46 60 37 55 46 65 57 54 56 37 56 38 87 49 46 67 28 39 | 52 48 56 59 39 95 68 73 39 37 55 66 84 56 46 29 49 28 60 55 49 46 36 47 28 68 65 80 52 38 29 28 49 84 76 56 29 49 55 39 67 56 73 30 28 57 39 65 56 43 36 37 59 68 75 47 42 57 59 56 68 75 49 46 60 37 55 46 65 57 54 56 37 56 38 87 49 46 67 28 39 | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 162 | 242 | cipher_museum | 2.0 | public | null | null |
cda-0012781 | 00669 01606 0359 06669 01905 4742 5705 06340 02873 06051 6290 02564 01618 05659 01599 00962 2903 05062 05696 04726 01018 0357 03840 4802 01983 07007 02844 2223 01659 4400 01643 5731 1630 00403 04406 01316 01305 01595 01014 5680 07857 05119 06298 05977 2858 06313 06052 1652 03797 01947 4712 0719 05993 1626 05749 6956 00... | 00669 01606 0359 06669 01905 4742 5705 06340 02873 06051 6290 02564 01618 05659 01599 00962 2903 05062 05696 04726 01018 0357 03840 4802 01983 07007 02844 2223 01659 4400 01643 5731 1630 00403 04406 01316 01305 01595 01014 5680 07857 05119 06298 05977 2858 06313 06052 1652 03797 01947 4712 0719 05993 1626 05749 6956 00... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | zimmermann | zimmermann | null | {} | hard | en | 183 | 183 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
adfgx-v3-0371 | AADGAFXGGXXADGFGDDFADGDDAGGXFDGGGAAGXAAGDAAGFGXFDADGGDFGDFDADGGFGFDAGDGDGDXAXDDAXDGDGGAFGDGDFAXAADGAAXADXADADAADXADFXXXAAXFXAGAGXAFXDFAGXAGGDFFGAFAAAGAFFGGXXGGFFGGX | AADGAFXGGXXADGFGDDFADGDDAGGXFDGGGAAGXAAGDAAGFGXFDADGGDFGDFDADGGFGFDAGDGDGDXAXDDAXDGDGGAFGDGDFAXAADGAAXADXADADAADXADFXXXAAXFXAGAGXAFXDFAGXAGGDFFGAFAAAGAFFGGXXGGFFGGX | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-202 | MWWIBYZLKALVFFUHVJ | MWWIBYZLKALVFFUHVJ | AWAIT FURTHER ORDERS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v2-0077 | GRWIXLNFRZEYZCIQUQKBYDYXSFBXEWMHHFYQIMDSEIKOPHBXWZCZEOULMSMEDHIHQGYHBKNYNFRZE | GRWIXLNFRZEYZCIQUQKBYDYXSFBXEWMHHFYQIMDSEIKOPHBXWZCZEOULMSMEDHIHQGYHBKNYNFRZE | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0162 | ITEAETBOLHRYDR | ITEAETBOLHRYDR | LIBERTY OR DEATH | double_transposition | double_transposition | transposition | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0610 | LAIYNOJWSTNOUHTSLSOMRHNMDHXOSNGHAMADMSNGAMOXGPENXHMGHALSELPXLYGHHMUYGSNOTYOXYJ | LAIYNOJWSTNOUHTSLSOMRHNMDHXOSNGHAMADMSNGAMOXGPENXHMGHALSELPXLYGHHMUYGSNOTYOXYJ | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
rot13-v2-0025 | GEHFG OHG IREVSL | GEHFG OHG IREVSL | TRUST BUT VERIFY | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0466 | ORITPOVDRHCEYAEIEFNEPEATNROYTDEEMLHUHCNRDCELSHCEUEOCVWTNAPSENSEHTEEORCDEASTCANC | ORITPOVDRHCEYAEIEFNEPEATNROYTDEEMLHUHCNRDCELSHCEUEOCVWTNAPSENSEHTEEORCDEASTCANC | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0093 | 741255282242510146724250452110128231738221344252042028282913206196120412217172202842520442517620611322574122217642518696120456748425916420837232028813202128168242540425204202953244251012061288231288211647620322425170726072845232520707083100 | 741255282242510146724250452110128231738221344252042028282913206196120412217172202842520442517620611322574122217642518696120456748425916420837232028813202128168242540425204202953244251012061288231288211647620322425170726072845232520707083100 | 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 | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 240 | 240 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0205 | HTSSILXZYTIJYTSSDOIQCCWLMPGSLPRHRXVFIQOCTOPVWXOCVTVILGLVXJBIKMDSHOPTYPTHYATSCZASHTXQWMGDRDMZSSLMCVLGQWFBMQCUVCIQARIJPXQUHTMZDWSSSSIYHMCFTWXAYPMPYASSLMLYMQZWPGQULPLE | HTSSILXZYTIJYTSSDOIQCCWLMPGSLPRHRXVFIQOCTOPVWXOCVTVILGLVXJBIKMDSHOPTYPTHYATSCZASHTXQWMGDRDMZSSLMCVLGQWFBMQCUVCIQARIJPXQUHTMZDWSSSSIYHMCFTWXAYPMPYASSLMLYMQZWPGQULPLE | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0235 | QCEAIRNXKOMNPPSFORMS | QCEAIRNXKOMNPPSFORMS | STEAM POWER TRANSFORMS | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
slidex-028 | HWFFXSSJKCSWBNQO | HWFFXSSJKCSWBNQO | EVACUATE THE BASE | slidex | slidex | transposition | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v3-0248 | PFCPVL | PFCPVL | EUREKA | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
vernam-v2-0197 | JDIQBKGMFBAFQYKSNQCZJYVTQQSKHVWZSZCDMXRWZFRXWNKFJONZTXVFNEBBOBEJLHGPWDZSEGBSRMJSEI | JDIQBKGMFBAFQYKSNQCZJYVTQQSKHVWZSZCDMXRWZFRXWNKFJONZTXVFNEBBOBEJLHGPWDZSEGBSRMJSEI | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | vernam | vernam | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0034 | GVFAGAFDFDDDAGVAFDFDGAAFGAFGFXAVGA | GVFAGAFDFDDDAGVAFDFDGAAFGAFGFXAVGA | OLD IRONSIDES HOLDS | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
solitaire-074 | SFRAJDLKPHVFOSHB | SFRAJDLKPHVFOSHB | ALL IS LOST RETREAT | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "CRYPTONOMICON"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0021906 | ZGYZHS VMXLWVH YB IVEVIHRMT GSV ZOKSZYVG GSV YVHG OVHHLMH HSLD DSVIV GSV NVGSLW UZROH XLOFNMZI GIZMHKLHRGRLM IVZWH XLOFNMH RM PVB LIWVI VMGILKB NVZHFIVH FMXVIGZRMGB RM Z WRHGIRYFGRLM SLMVHGOB | ZGYZHS VMXLWVH YB IVEVIHRMT GSV ZOKSZYVG GSV YVHG OVHHLMH HSLD DSVIV GSV NVGSLW UZROH XLOFNMZI GIZMHKLHRGRLM IVZWH XLOFNMH RM PVB LIWVI VMGILKB NVZHFIVH FMXVIGZRMGB RM Z WRHGIRYFGRLM SLMVHGOB | ATBASH ENCODES BY REVERSING THE ALPHABET THE BEST LESSONS SHOW WHERE THE METHOD FAILS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION HONESTLY | atbash | atbash | null | {} | hard | en | 164 | 164 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
fialka-045 | DPGSNIRXNGFAWNNKOQAJWFBXGYWLZPKMJOWPRBEOXZWGKK | DPGSNIRXNGFAWNNKOQAJWFBXGYWLZPKMJOWPRBEOXZWGKK | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | fialka | fialka | machine | {
"type": "seed",
"value": "M125"
} | expert | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
affine-v3-1358 | QYN DHQNV YPES ITAZ | QYN DHQNV YPES ITAZ | THE GATES HOLD FIRM | affine | affine | substitution | {
"a": 21,
"b": 7
} | beginner | en | 16 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0005998 | KUSI VDAU MIID FLIQ YIYK GISU IEKV IYKQ EFLI QYIX IIVV IDFI BAQL VIXV KLHY FUFM FRNG ARRI VFQV ISIA VYOA RVAQ SXAV IQRR KKMS OKHM LSOK BFRS VIAS KQFQ JROI MFUV AVNX VISI VDIS PQKB MILJ IEKV ROIY KGGH QFRN | KUSI VDAU MIID FLIQ YIYK GISU IEKV IYKQ EFLI QYIX IIVV IDFI BAQL VIXV KLHY FUFM FRNG ARRI VFQV ISIA VYOA RVAQ SXAV IQRR KKMS OKHM LSOK BFRS VIAS KQFQ JROI MFUV AVNX VISI VDIS PQKB MILJ IEKV ROIY KGGH QFRN | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | monoalphabetic | monoalphabetic | null | {
"alphabet": "AUYLIEJOFWPMGQKXCVSRHDBZNT"
} | hard | en | 164 | 164 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
bifid-v2-0190 | FSQRFFGTTYOGGNNFMFABSFFPIFBLGHTISFPRSQRYAAKXNZDTHRPAAXXBPCPVBWGCOZBNSZVPWTCDC | FSQRFFGTTYOGGNNFMFABSFFPIFBLGHTISFPRSQRYAAKXNZDTHRPAAXXBPCPVBWGCOZBNSZVPWTCDC | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0196 | EFDHLYNYTLGURSTEHNDJNKCTJETXKUPAWMLIMARWXUQXIJMNMEXIENLNBHBCHOQDEDKHXBN | EFDHLYNYTLGURSTEHNDJNKCTJETXKUPAWMLIMARWXUQXIJMNMEXIENLNBHBCHOQDEDKHXBN | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0021610 | 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43 50 29 68 11 50 61 66 80 50 20 59 66 50 69 29 66 36 82 65 57 68 43 76 68 50 80 52 50 65 36 82 80 82 29 52 80 43 65 66 61 65 68 50 80 61 69 76 57 82 66 66 82 80 61 61 50 77 59 57 66 68 29 82 69 59 61 57 43 68 61 66 80 69 29 25 52 57 68 50 77 29... | 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43 50 29 68 11 50 61 66 80 50 20 59 66 50 69 29 66 36 82 65 57 68 43 76 68 50 80 52 50 65 36 82 80 82 29 52 80 43 65 66 61 65 68 50 80 61 69 76 57 82 66 66 82 80 61 61 50 77 59 57 66 68 29 82 69 59 61 57 43 68 61 66 80 69 29 25 52 57 68 50 77 29... | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY A STRONG CLAIM NEEDS STRONG EVIDENCE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | wallis_cipher | wallis_cipher | null | {} | hard | en | 178 | 178 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
wheatstone-v3-0084 | IJKRNOJIOHTDDERHRDGQJTIOVRNAJNTLTKYQTDLNYFRSIDROOJIKNRORIQFRIQJATPNTIGBSNX | IJKRNOJIOHTDDERHRDGQJTIOVRNAJNTLTKYQTDLNYFRSIDROOJIKNRORIQFRIQJATPNTIGBSNX | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0020758 | FVHMEQIKQWADBVQVLWAQXJJOEWRGSWGENI | FVHMEQIKQWADBVQVLWAQXJJOEWRGSWGENI | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | running_key | running_key | null | {} | medium | en | 34 | 34 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
solitaire-041 | SMQFFLTZWJPARFJWJOYGVCRLTXQUXISSSQEFSFUZPBPENIK | SMQFFLTZWJPARFJWJOYGVCRLTXQUXISSSQEFSFUZPBPENIK | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
vic-v2-0378 | 824864167492268585 | 824864167492268585 | HONOR ABOVE ALL | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0735 | YMDOT FA HUOFADK | YMDOT FA HUOFADK | MARCH TO VICTORY | caesar | caesar | substitution | {
"type": "shift",
"value": 12
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0034 | OIZQUMWKMUPEEMSQSL | OIZQUMWKMUPEEMSQSL | NOVUS ORDO SECLORUM | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0013230 | 06322 2551 01650 02855 04466 1283 1590 07543 4774 01966 01038 4766 02911 4459 1027 2842 01319 01607 4410 1011 01576 02916 06011 00411 06669 6049 01610 01911 6620 03861 0952 3866 6645 01608 | 06322 2551 01650 02855 04466 1283 1590 07543 4774 01966 01038 4766 02911 4459 1027 2842 01319 01607 4410 1011 01576 02916 06011 00411 06669 6049 01610 01911 6620 03861 0952 3866 6645 01608 | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | zimmermann | zimmermann | null | {} | medium | en | 34 | 34 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
vic-196 | 092579159009082065890 | 092579159009082065890 | EVACUATE THE BASE | vic | vic | substitution | {
"type": "keyword",
"value": "ENIGMA"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0018248 | 01945 00338 02911 3786 00975 03860 04784 6029 01606 1350 2840 05983 0366 5092 04735 6062 6329 6691 5673 1602 04492 04750 6294 00413 06035 3788 04775 02290 00358 4434 04096 04728 01307 01633 5652 4449 1612 4417 00954 5671 07937 05035 6322 2870 04780 04482 02859 5966 4456 4781 6343 00714 5739 04771 03471 01585 4481 00717... | 01945 00338 02911 3786 00975 03860 04784 6029 01606 1350 2840 05983 0366 5092 04735 6062 6329 6691 5673 1602 04492 04750 6294 00413 06035 3788 04775 02290 00358 4434 04096 04728 01307 01633 5652 4449 1612 4417 00954 5671 07937 05035 6322 2870 04780 04482 02859 5966 4456 4781 6343 00714 5739 04771 03471 01585 4481 00717... | FAIL CLOSED IS A POSTURE NOT A SLOGAN MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | zimmermann | zimmermann | null | {} | hard | en | 122 | 122 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0019738 | .- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. ... | .- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -. .. -. --. / - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. ... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | morse_code | morse_code | null | {} | hard | en | 92 | 92 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
hill-v3-0412 | SMEGBJGFMSZENIARGGQRDMMRYSUFKQBOEKRVJQIMWYEBRJZRRVDMMREGPTGLASBLGXYSSONNBUTRGWMAFRMAGMRCDMMRGVUFKQBORBUGMAOWDBPLHBWDVZCPBLKGMRWGEBYOWDSMNVXPFRPLJPJXVHEEEBWDPRLT | SMEGBJGFMSZENIARGGQRDMMRYSUFKQBOEKRVJQIMWYEBRJZRRVDMMREGPTGLASBLGXYSSONNBUTRGWMAFRMAGMRCDMMRGVUFKQBORBUGMAOWDBPLHBWDVZCPBLKGMRWGEBYOWDSMNVXPFRPLJPJXVHEEEBWDPRLT | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0701 | SLPVTNYSLMBPTAPPLSVYINHIPVQOHBRIVPLTTJIPSLHIBBUMIAPSPQLTFHBPAPOJITMIJBPBPHIIXIJLQMTLVHTT | SLPVTNYSLMBPTAPPLSVYINHIPVQOHBRIVPLTTJIPSLHIBBUMIAPSPQLTFHBPAPOJITMIJBPBPHIIXIJLQMTLVHTT | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0280 | GUDRYTXXPHNYNVCRUIYWPUTIZZVJSMULJDDCGEPZFGGFWEUNZOQYGJJOGINFDNOBYAYNP | GUDRYTXXPHNYNVCRUIYWPUTIZZVJSMULJDDCGEPZFGGFWEUNZOQYGJJOGINFDNOBYAYNP | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0390 | VSZJGGEHYPNCFGZIKXL | VSZJGGEHYPNCFGZIKXL | MISSION ACCOMPLISHED | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "HARBOUR"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0350 | 21246 21235 21246 21233 21236 21239 21242 21244 21239 21231 21255 21233 21238 21235 21248 21244 21246 21239 21240 21239 21255 21240 21246 21239 21256 21239 21242 21243 21255 21248 21235 21256 21239 21248 21233 21242 21247 21239 21233 21246 21246 21239 21255 21242 21239 21244 21240 21246 21255 21243 21234 21255 21243 21... | 21246 21235 21246 21233 21236 21239 21242 21244 21239 21231 21255 21233 21238 21235 21248 21244 21246 21239 21240 21239 21255 21240 21246 21239 21256 21239 21242 21243 21255 21248 21235 21256 21239 21248 21233 21242 21247 21239 21233 21246 21246 21239 21255 21242 21239 21244 21240 21246 21255 21243 21234 21255 21243 21... | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 390 | 467 | cipher_museum | 2.0 | public | null | null |
cda-0019196 | after takes broad alert scout hours exact naval carry often depth exact south board years radio enemy verse exact right stage incur north given three | after takes broad alert scout hours exact naval carry often depth exact south board years radio enemy verse exact right stage incur north given three | ATBASH ENCODES BY REVERSING THE ALPHABET DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
vic-v2-0266 | 389092412929192879286 | 389092412929192879286 | E PLURIBUS UNUM | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
copiale-153 | Q2 M9 L3 K6 G1 J1 G0 P5 K2 R2 G1 G6 P0 A6 R1 B0 G8 I7 U2 H1 N1 A6 I1 N9 S3 S8 I8 J2 A0 N9 S4 K7 X8 C3 F5 I8 | Q2 M9 L3 K6 G1 J1 G0 P5 K2 R2 G1 G6 P0 A6 R1 B0 G8 I7 U2 H1 N1 A6 I1 N9 S3 S8 I8 J2 A0 N9 S4 K7 X8 C3 F5 I8 | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | copiale | copiale | substitution | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 72 | 107 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0566 | MJRTALTVEESLFMSJEQGJEQASSJPSCTEDVWNQMNAPSAMNCAPSLEDPRDWMLGSGHQERGIEMSMCTRJVSFMSMEDQSIQXEGJ | MJRTALTVEESLFMSJEQGJEQASSJPSCTEDVWNQMNAPSAMNCAPSLEDPRDWMLGSGHQERGIEMSMCTRJVSFMSMEDQSIQXEGJ | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 90 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0017042 | 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 1... | 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7 15 16 5 14 19 15 21 18 3 5 20 15 15 12 19 1 12 12 15 23 9 14 4 5 16 5 14 4 5 1... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 138 | 138 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
running-key-v2-0038 | KZYVLCGWEZEDINEGFERSGR | KZYVLCGWEZEDINEGFERSGR | FLEET ASSEMBLES AT HARBOR | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0514 | DDDGVAAAFFDADDAAAFDDFXVVXVDVFVGVFFGADAAAGG | DDDGVAAAFFDADDAAAFDDFXVVXVDVFVGVFFGADAAAGG | BRIDGE DESTROYED AT DAWN | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 42 | 42 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0226 | FGOAXSOKYALBPOXYUZP | FGOAXSOKYALBPOXYUZP | TREACHERY IN THE COURT | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
pigpen-037 | ┌ ┐ ╲• ┼ ├• ┼ ¬• ┐ ┴ ┼ ┐• ╳ ▽ ┤• ┐• ┌ ┐ ╲• ┼ ├• ┼ ├ ┼ ⌐ ╳ ┬ ╲ ⌐ ┐ ├ ┌• ⌐ ╳ ┐• ┐ ¬ ┴• ┬ ┼ ┼• ┐• ▽ | ┌ ┐ ╲• ┼ ├• ┼ ¬• ┐ ┴ ┼ ┐• ╳ ▽ ┤• ┐• ┌ ┐ ╲• ┼ ├• ┼ ├ ┼ ⌐ ╳ ┬ ╲ ⌐ ┐ ├ ┌• ⌐ ╳ ┐• ┐ ¬ ┴• ┬ ┼ ┼• ┐• ▽ | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 55 | 96 | cipher_museum | 0.2 | public | null | null |
cda-0017036 | 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19 | 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19 | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
adfgvx-v3-0439 | DFADDGDFXFFAAAFGDVDDDDGAFA | DFADDGDFXFFAAAFGDVDDDDGAFA | FULL SAIL AHEAD | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0360 | YACCUSZOHDRMZJKMVPMOIOAXFVSMARDZVRYKWCFVUGNETZASCUIKYWIXDTZNWICZSRZTOSKUKRVRJAEKYMCTAAE | YACCUSZOHDRMZJKMVPMOIOAXFVSMARDZVRYKWCFVUGNETZASCUIKYWIXDTZNWICZSRZTOSKUKRVRJAEKYMCTAAE | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0347 | VUIQOKBYEMQYF | VUIQOKBYEMQYF | THE APPLE FALLS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0008760 | FHOF GVGH GVBA PVCU REFZ NCRN PUYR GGRE GBNQ VSSR ERAG YRGG RE | FHOF GVGH GVBA PVCU REFZ NCRN PUYR GGRE GBNQ VSSR ERAG YRGG RE | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 50 | 50 | synthetic_educational | null | null | [] | |
alberti-disk-279 | ZFTSRFZBMQGSRJDYZHUYZHCKVDYQYMWNUJWCLVMQDEN | ZFTSRFZBMQGSRJDYZHUYZHCKVDYQYMWNUJWCLVMQDEN | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 22
} | expert | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
cda-0010264 | GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR | GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 34 | 34 | synthetic_educational | null | null | [] | |
four-square-v2-0440 | HHTWUMODLICMGISQVHQUACDDONDNEMRSFUSHFKFUPGGSUNSOZHUHONGIONRNYQEIHHUIFULEMLAS | HHTWUMODLICMGISQVHQUACDDONDNEMRSFUSHFKFUPGGSUNSOZHUHONGIONRNYQEIHHUIFULEMLAS | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0229 | PCBGATQLQWFCISZLQLKHCWATIFEPNLENYVCTOEEUZRBNPCHTIZCKFRDOEKRDNEKEPCHTIZCKIQLOCUDEFAGTLZIUWTWTSDKRLZATEOEWBFPNKBGBBNEBHGIUIURHEPDDKSISZLNDFEKVQSTENBMTKEIHEUCKETGTLZLOKMPTSEISEUPX | PCBGATQLQWFCISZLQLKHCWATIFEPNLENYVCTOEEUZRBNPCHTIZCKFRDOEKRDNEKEPCHTIZCKIQLOCUDEFAGTLZIUWTWTSDKRLZATEOEWBFPNKBGBBNEBHGIUIURHEPDDKSISZLNDFEKVQSTENBMTKEIHEUCKETGTLZLOKMPTSEISEUPX | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 176 | 176 | cipher_museum | 2.0 | public | null | null |
cda-0017504 | 9.6.5 18.5.9 8.4.9 9.1.8 5.6.4 4.2.3 9.6.4 9.3.4 11.4.1 10.1.7 15.5.2 3.4.2 7.5.5 16.6.1 9.5.7 13.4.4 3.2.1 8.6.6 20.1.1 17.4.4 12.6.7 8.3.4 10.6.6 15.1.10 16.1.10 6.2.8 13.2.1 6.4.6 13.5.9 14.4.3 7.2.4 13.4.9 13.6.3 6.3.10 9.2.3 17.1.1 13.5.8 20.3.4 10.2.8 10.3.6 20.1.6 12.5.2 3.2.4 5.2.6 2.6.3 17.2.10 14.2.2 4.5.3 | 9.6.5 18.5.9 8.4.9 9.1.8 5.6.4 4.2.3 9.6.4 9.3.4 11.4.1 10.1.7 15.5.2 3.4.2 7.5.5 16.6.1 9.5.7 13.4.4 3.2.1 8.6.6 20.1.1 17.4.4 12.6.7 8.3.4 10.6.6 15.1.10 16.1.10 6.2.8 13.2.1 6.4.6 13.5.9 14.4.3 7.2.4 13.4.9 13.6.3 6.3.10 9.2.3 17.1.1 13.5.8 20.3.4 10.2.8 10.3.6 20.1.6 12.5.2 3.2.4 5.2.6 2.6.3 17.2.10 14.2.2 4.5.3 | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | arnold_andre | arnold_andre | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
aeneas-tacticus-025 | 19 9 12 5 14 3 5 9 19 7 15 12 4 5 14 | 19 9 12 5 14 3 5 9 19 7 15 12 4 5 14 | SILENCE IS GOLDEN | aeneas_tacticus | aeneas_tacticus | steganography | {
"type": "none",
"value": null
} | expert | en | 22 | 36 | cipher_museum | 0.2 | public | null | null |
cda-0010614 | NGON FURA PBQR FOLE RIRE FVAT GURN YCUN ORGU HZNA ERNQ NOYR BHGC HGFU BHYQ FUBJ NYYE RNFB AVAT FGRC FNFG EBAT PYNV ZARR QFFG EBAT RIVQ RAPR | NGON FURA PBQR FOLE RIRE FVAT GURN YCUN ORGU HZNA ERNQ NOYR BHGC HGFU BHYQ FUBJ NYYE RNFB AVAT FGRC FNFG EBAT PYNV ZARR QFFG EBAT RIVQ RAPR | ATBASH ENCODES BY REVERSING THE ALPHABET HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A STRONG CLAIM NEEDS STRONG EVIDENCE | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 112 | 112 | synthetic_educational | null | null | [] | |
nihilist-v2-0319 | 24 36 77 46 36 70 45 58 49 58 22 45 70 43 46 27 87 42 58 37 64 34 46 68 22 45 56 77 45 58 59 43 55 50 64 58 25 88 42 45 36 64 25 29 58 53 45 36 54 45 49 77 65 54 57 74 47 25 67 54 46 48 83 26 48 77 53 45 37 64 38 27 66 33 45 37 67 45 68 | 24 36 77 46 36 70 45 58 49 58 22 45 70 43 46 27 87 42 58 37 64 34 46 68 22 45 56 77 45 58 59 43 55 50 64 58 25 88 42 45 36 64 25 29 58 53 45 36 54 45 49 77 65 54 57 74 47 25 67 54 46 48 83 26 48 77 53 45 37 64 38 27 66 33 45 37 67 45 68 | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 158 | 236 | cipher_museum | 2.0 | public | null | null |
cda-0016898 | 60 17 33 67 22 50 91 39 22 50 43 72 99 43 50 17 76 86 86 88 23 34 48 68 94 48 40 22 60 94 76 62 46 1 66 30 43 91 17 48 26 99 33 91 66 4 22 63 2 62 59 43 68 88 33 76 58 48 25 49 87 2 96 96 41 32 15 67 3 48 2 80 1 67 30 22 59 46 32 11 22 52 21 45 3 34 33 35 91 39 92 52 93 46 46 49 33 1 81 62 94 22 30 39 40 82 15 59 15 25... | 60 17 33 67 22 50 91 39 22 50 43 72 99 43 50 17 76 86 86 88 23 34 48 68 94 48 40 22 60 94 76 62 46 1 66 30 43 91 17 48 26 99 33 91 66 4 22 63 2 62 59 43 68 88 33 76 58 48 25 49 87 2 96 96 41 32 15 67 3 48 2 80 1 67 30 22 59 46 32 11 22 52 21 45 3 34 33 35 91 39 92 52 93 46 46 49 33 1 81 62 94 22 30 39 40 82 15 59 15 25... | THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | homophonic | homophonic | null | {} | hard | en | 158 | 158 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
purple-038 | XQXJQYLNWMSGAWSVISFDWBGXQMTOAIAYGGZMYKXVJYZMD | XQXJQYLNWMSGAWSVISFDWBGXQMTOAIAYGGZMYKXVJYZMD | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | purple | purple | machine | {
"type": "seed",
"value": "PURPLE"
} | expert | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v2-0744 | CPHZTWBOKKRZZZIJGVLOJVBGWHQUZMNGLGWXNVAWUWYJTWMANTDAHTINQNNYQCUJWNLHTIBQEZDCPYKJJTSVJAAVTXQMSJFBASGANADOYQQUGSHAAGYNQUXJKMSRNXVHMFRVZZYQMBTNCMKYYJBLYXQISRGNNYKJ | CPHZTWBOKKRZZZIJGVLOJVBGWHQUZMNGLGWXNVAWUWYJTWMANTDAHTINQNNYQCUJWNLHTIBQEZDCPYKJJTSVJAAVTXQMSJFBASGANADOYQQUGSHAAGYNQUXJKMSRNXVHMFRVZZYQMBTNCMKYYJBLYXQISRGNNYKJ | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
homophonic-v2-0018 | 91 97 72 87 63 99 43 37 18 87 28 10 19 47 | 91 97 72 87 63 99 43 37 18 87 28 10 19 47 | STORM THE BREACH | homophonic | homophonic | substitution | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0442 | NEHHHYYDPBPOZPZDSCCIWZSIPXYWMIAVYBCKDIEPIMQOLVQWFUMLVELMLWAXHUYXIJKTOHGGHBD | NEHHHYYDPBPOZPZDSCCIWZSIPXYWMIAVYBCKDIEPIMQOLVQWFUMLVELMLWAXHUYXIJKTOHGGHBD | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0010817 | TETSIAREEILSPRYAPEAAUINEUTSODNTIANHTITETNFMNACTARRANNRLNGNROAWEDVFTXEEVUSTSOAGIROPEDTCDETKOSCOLIPEEIIXDCEDPEBRKCMYGHWSIECFHIPOELLNENRCOX | TETSIAREEILSPRYAPEAAUINEUTSODNTIANHTITETNFMNACTARRANNRLNGNROAWEDVFTXEEVUSTSOAGIROPEDTCDETKOSCOLIPEEIIXDCEDPEBRKCMYGHWSIECFHIPOELLNENRCOX | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | scytale | scytale | null | {
"cols": 4
} | hard | en | 136 | 136 | synthetic_educational | null | null | [] | |
two-square-v3-0174 | DDSMRESSNNCKLMAKRLQIYXRESPECYHSMDKBTTAEKBQFBRLDFGFELRAIOSFLUROHIIKYHSMTHEFREEEWDEGBQBY | DDSMRESSNNCKLMAKRLQIYXRESPECYHSMDKBTTAEKBQFBRLDFGFELRAIOSFLUROHIIKYHSMTHEFREEEWDEGBQBY | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
cda-0014614 | THAN-ZIE / LIN / DZEH / WOL-LA-CHEE / NO-DA-IH / THAN-ZIE / A-KHA / KLIZZIE / DZEH / TSAH-AS-ZIH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / DZEH / AL-AN-AS-DZOH / THAN-ZIE / DZEH / TSAH / BE / DIBEH / THAN-ZIE / LIN ... | THAN-ZIE / LIN / DZEH / WOL-LA-CHEE / NO-DA-IH / THAN-ZIE / A-KHA / KLIZZIE / DZEH / TSAH-AS-ZIH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / DZEH / AL-AN-AS-DZOH / THAN-ZIE / DZEH / TSAH / BE / DIBEH / THAN-ZIE / LIN ... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | navajo_code | navajo_code | null | {} | hard | en | 223 | 223 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
stager-route-v3-0004 | TSDYSHETXXALENXXDGIRXXEONAX | TSDYSHETXXALENXXDGIRXXEONAX | THE LEGIONS STAND READY | stager_route | stager_route | transposition | {
"type": "integer",
"value": 9
} | expert | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
cda-0021445 | -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / - .... . / ...- .. --. . -. . .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / .- / .-. . .--. . .- - .. -. --. / -.- . -.-- .-- --- .-. -.. | -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / - .... . / ...- .. --. . -. . .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / .- / .-. . .--. . .- - .. -. --. / -.- . -.-- .-- --- .-. -.. | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE VIGENERE CIPHER USES A REPEATING KEYWORD | morse_code | morse_code | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
m209-165 | VVEHYQQJEYKCYWIPMOXTYXMLCVYKXYZCOJDUQLNJWZCLAH | VVEHYQQJEYKCYWIPMOXTYXMLCVYKXYZCOJDUQLNJWZCLAH | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | m209 | m209 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v3-0385 | HGDPPDN TOD QAD IDDF EKO QADY PATGG BJADOBQ QAD DTOQA TJN QAD LDTUDITFDOP PATGG HD UTGGDN PKJP | HGDPPDN TOD QAD IDDF EKO QADY PATGG BJADOBQ QAD DTOQA TJN QAD LDTUDITFDOP PATGG HD UTGGDN PKJP | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "THUNDER"
} | beginner | en | 78 | 94 | cipher_museum | 2.0 | public | null | null |
cda-0009572 | UABE GCBX ELTU LDGW WCJE CCLT MCST OGSM MGZI GMNJ GGKB JAMF FOIE LETZ XEIX ETAZ EWBJ WXFE QBQJ XKIE MSIW XXVV AMYI LXWW QZWH TNWM VFHB XYSI REBO NBXG XASU F | UABE GCBX ELTU LDGW WCJE CCLT MCST OGSM MGZI GMNJ GGKB JAMF FOIE LETZ XEIX ETAZ EWBJ WXFE QBQJ XKIE MSIW XXVV AMYI LXWW QZWH TNWM VFHB XYSI REBO NBXG XASU F | FAIL CLOSED IS A POSTURE NOT A SLOGAN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | autokey | autokey | null | {
"primer": "PATTERN"
} | hard | en | 125 | 125 | synthetic_educational | null | null | [] | |
cda-0008730 | SVDVX NZBBR YYOVD WUIKF UKAXA GLFVW IWZVI MSQRR FTDKD XNOAO | SVDVX NZBBR YYOVD WUIKF UKAXA GLFVW IWZVI MSQRR FTDKD XNOAO | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | trithemius | trithemius | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [] | |
cda-0020582 | THEB IFID CIPH ERCO MBIN ESAP ZLYB IZSS QUAR EWIT HTRA XSPO SZTI ONB | THEB IFID CIPH ERCO MBIN ESAP ZLYB IZSS QUAR EWIT HTRA XSPO SZTI ONB | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | commercial_code | commercial_code | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
bifid-v2-0573 | VSHGUTWOQOVSSDIWQBMIHTLEINHNKUSOGWIINASDSGHIITCDNOTIGHYPWDENOTENHOIQCNOUTFDCTAFNEUTFAVQWWQEOVZIKIOCIDBUNISBOGTEVUQTBLVIEOVIHOUFHUVIOGTBOIDUSAEP | VSHGUTWOQOVSSDIWQBMIHTLEINHNKUSOGWIINASDSGHIITCDNOTIGHYPWDENOTENHOIQCNOUTFDCTAFNEUTFAVQWWQEOVZIKIOCIDBUNISBOGTEVUQTBLVIEOVIHOUFHUVIOGTBOIDUSAEP | 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 | bifid | bifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0093 | SZYGJZQCKQVLPKQPPRSQVDTNVSIIKGUCBIRLYHAFGSJYRTPJMWBOXQTQKAKZYZXSVEQJMOOJOYVQSZGAKR | SZYGJZQCKQVLPKQPPRSQVDTNVSIIKGUCBIRLYHAFGSJYRTPJMWBOXQTQKAKZYZXSVEQJMOOJOYVQSZGAKR | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0017568 | -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. . .- -.. ... / -.-. --- .-.. ..- -- -. ... / .. -. / -.- . -.-- / --- .-. -.. . .-. / --- .--. . -. / ... --- ..- .-. -.-. . / - --- --- .-.. ... / .- .-.. .-.. --- .-- / .. -. -.. . .--. . -. -.. . -. - / ...- . .-. .. ..-. .. -.-. .- -... | -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. . .- -.. ... / -.-. --- .-.. ..- -- -. ... / .. -. / -.- . -.-- / --- .-. -.. . .-. / --- .--. . -. / ... --- ..- .-. -.-. . / - --- --- .-.. ... / .- .-.. .-.. --- .-- / .. -. -.. . .--. . -. -.. . -. - / ...- . .-. .. ..-. .. -.-. .- -... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE MESSAGE WAS HIDDEN BUT NOT SECURE | morse_code | morse_code | null | {} | hard | en | 184 | 184 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0019538 | 805 812 800 862 817 844 852 857 999 825 855 999 857 823 813 999 852 813 806 825 845 852 843 807 801 834 999 842 817 999 865 824 820 812 839 812 853 813 999 801 841 810 999 811 812 807 851 874 847 857 856 999 825 859 855 813 833 815 999 | 805 812 800 862 817 844 852 857 999 825 855 999 857 823 813 999 852 813 806 825 845 852 843 807 801 834 999 842 817 999 865 824 820 812 839 812 853 813 999 801 841 810 999 811 812 807 851 874 847 857 856 999 825 859 855 813 833 815 999 | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | 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). |
cda-0007200 | EUNBRPMPETSSESENROXHASTTRSLIUETSPTARAETTIRLYWLSTOAEXOOCHTIDIINAATSUOOGNOXUWXRBLTSIUNEDSHHNNSGUXAULENHLPTTARROEHOIS | EUNBRPMPETSSESENROXHASTTRSLIUETSPTARAETTIRLYWLSTOAEXOOCHTIDIINAATSUOOGNOXUWXRBLTSIUNEDSHHNNSGUXAULENHLPTTARROEHOIS | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS HONESTLY | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "SIGNAL"
} | hard | en | 114 | 114 | synthetic_educational | null | null | [] | |
two-square-v2-0407 | IKBMYHOTWHATBPQCPAOTHEOOKCVNGIEBPDOPBSDOBKHWNQFKLRERTYRCAKVEHCDEATKV | IKBMYHOTWHATBPQCPAOTHEOOKCVNGIEBPDOPBSDOBKHWNQFKLRERTYRCAKVEHCDEATKV | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0017780 | 11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 13 15 4 5 18 14 5 14 3 18 25 16 20 9 15 14 9 19 14 15 20 2 18 15 11 5 14 2 25 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 20 8 5 22 9 7 5 14 5 18 ... | 11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 13 15 4 5 18 14 5 14 3 18 25 16 20 9 15 14 9 19 14 15 20 2 18 15 11 5 14 2 25 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 20 8 5 22 9 7 5 14 5 18 ... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE VIGENERE CIPHER USES A REPEATING KEYWORD HONESTLY | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 159 | 159 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
chaocipher-v3-0465 | KFANUJJHHQBIPIFXWNZCPTBAVKUQLJDZKHYENYRRRVLWKYRHUYCFPQVMRDLBXNMCVQJWVGC | KFANUJJHHQBIPIFXWNZCPTBAVKUQLJDZKHYENYRRRVLWKYRHUYCFPQVMRDLBXNMCVQJWVGC | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0426 | FZEQUENCYANALYSISEXPLOITSTHEFASTTHATCERTAINLETTERSAPPEIRFARMOREOFTENINENGLISHTEXT | FZEQUENCYANALYSISEXPLOITSTHEFASTTHATCERTAINLETTERSAPPEIRFARMOREOFTENINENGLISHTEXT | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0210 | JEMJPHDUNXJHYMRNEJBOMTSTGXRGLWOMROHKLEUFNIKSZQDOJSSZMXAPMLJLAWJBXPMSZGHNITERJSZPNBZ | JEMJPHDUNXJHYMRNEJBOMTSTGXRGLWOMROHKLEUFNIKSZQDOJSSZMXAPMLJLAWJBXPMSZGHNITERJSZPNBZ | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "TRAFALGAR"
} | intermediate | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
rail-fence-288 | IOFENRFBTLANMDOEEYWHENEYETHSOOYSDRYEFTUUNORYUONERLKUOUAT | IOFENRFBTLANMDOEEYWHENEYETHSOOYSDRYEFTUUNORYUONERLKUOUAT | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
vernam-v2-0011 | TBTJIYGJYDSCQQ | TBTJIYGJYDSCQQ | TARGET ACQUIRED | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
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