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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
rail-fence-178 | WRFERWEDLGFRRHSEEREAYWEHETEOEADIRHOVEOLTELOGOTATTEDAHFNSEEHWDNETDEHREHHRRYTRNOASEYDAOHOYOFHEHSLRNTULSHOTOLDHHTLTENTEEOKTROTRDEIODLTFRTALI | WRFERWEDLGFRRHSEEREAYWEHETEOEADIRHOVEOLTELOGOTATTEDAHFNSEEHWDNETDEHREHHRRYTRNOASEYDAOHOYOFHEHSLRNTULSHOTOLDHHTLTENTEEOKTROTRDEIODLTFRTALI | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 4
} | intermediate | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
navajo-code-v3-0027 | THAN-ZIE CHA DZEH / TLA-GIN A-KHA TSIN-TLITI BI-SO-DIH WOL-LA-CHEE KLESH KLESH / BI-SO-DIH TLO-CHIN YEH-HES A-CHIN A-WOH DIBEH / A-WOH DAH-NES-TSA NO-DA-IH DZEH | THAN-ZIE CHA DZEH / TLA-GIN A-KHA TSIN-TLITI BI-SO-DIH WOL-LA-CHEE KLESH KLESH / BI-SO-DIH TLO-CHIN YEH-HES A-CHIN A-WOH DIBEH / A-WOH DAH-NES-TSA NO-DA-IH DZEH | THE COMPASS POINTS TRUE | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 138 | 172 | cipher_museum | 2.0 | public | null | null |
navajo-code-v2-0032 | DZEH / CLA-GI-AIH AH-JAD SHI-DA GAH TKIN TOISH-JEH SHI-DA KLESH / NO-DA-IH TSAH NO-DA-IH BE-TAS-TNI | DZEH / CLA-GI-AIH AH-JAD SHI-DA GAH TKIN TOISH-JEH SHI-DA KLESH / NO-DA-IH TSAH NO-DA-IH BE-TAS-TNI | E PLURIBUS UNUM | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 85 | 107 | cipher_museum | 2.0 | public | null | null |
jn25-074 | 37182 37193 37193 37180 37190 37193 37196 37190 37191 37199 37186 37191 37199 37186 37182 37191 | 37182 37193 37193 37180 37190 37193 37196 37190 37191 37199 37186 37191 37199 37186 37182 37191 | ALL IS LOST RETREAT | jn25 | jn25 | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 80 | 95 | cipher_museum | 0.2 | public | null | null |
rail-fence-vg-0089 | TATRNDHHHLSHOGUTNFTEESLSIFOORAIEREYNASEDCYTRGAENMOPGTADWSMOSNETANETO | TATRNDHHHLSHOGUTNFTEESLSIFOORAIEREYNASEDCYTRGAENMOPGTADWSMOSNETANETO | THE ENEMY SHALL NOT PASS THIS GATE FOR GOD AND COUNTRY WE STAND FIRM TOGETHER AS ONE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
running-key-v2-0096 | YSNLRXJWMZYXOG | YSNLRXJWMZYXOG | COVER MY RETREAT | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Churchill Dunkirk speech"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-016 | GNXIJQWBYRUUXAEPTF | GNXIJQWBYRUUXAEPTF | SEND REINFORCEMENTS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
double-transposition-234 | EATWDCIMRYGHIIEPNNSROKITEYECSYEAEARNCETSRHCYDSHNTEWLGHROGMTUEO | EATWDCIMRYGHIIEPNNSROKITEYECSYEAEARNCETSRHCYDSHNTEWLGHROGMTUEO | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | double_transposition | double_transposition | transposition | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
cda-0015111 | AJUGF EQUEO SUOHF FKHTE IHBMP PFHRI QPMSA BOPQB VCMDQ JNRMH ADZNM MYVNY QHTTN MDNCF WCDDI XTACU JSGJC ZXYTK QNXOB FZUPF FKDDR IOYIO ICVWP CAGCQ GLHEL MKOGK JJMNJ HAMXC BHTBM WOWQX QMRBA AY | AJUGF EQUEO SUOHF FKHTE IHBMP PFHRI QPMSA BOPQB VCMDQ JNRMH ADZNM MYVNY QHTTN MDNCF WCDDI XTACU JSGJC ZXYTK QNXOB FZUPF FKDDR IOYIO ICVWP CAGCQ GLHEL MKOGK JJMNJ HAMXC BHTBM WOWQX QMRBA AY | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE FAIL CLOSED IS A POSTURE NOT A SLOGAN EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | one_time_pad | one_time_pad | null | {} | hard | en | 157 | 157 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
vigenere-v2-1197 | OIJZWFWXFGOMFXQYOHZNHCBSMPGKJPWAQUSWFQLWPXQULPPQIEYJUMNMNPWLAJEUFFHBRIACKA | OIJZWFWXFGOMFXQYOHZNHCBSMPGKJPWAQUSWFQLWPXQULPPQIEYJUMNMNPWLAJEUFFHBRIACKA | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0038 | PQKLCZJZPNTDQEOJXIJ | PQKLCZJZPNTDQEOJXIJ | MEASURE TWICE CUT ONCE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0007570 | GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR | GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR GUR NEPUVGRPGHER FUBHYQ ZNXR ZVFHFR UNEQRE FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR | THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 151 | 151 | synthetic_educational | null | null | [] | |
confederate-vigenere-028 | GJNHYDXVTAIDOFJ | GJNHYDXVTAIDOFJ | EVACUATE THE BASE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CONFEDERATE"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
four-square-v3-0170 | PCEOLOEDQIFOFHGYNEDRKSQSMDWETEGBEGFBGTFRQCHLXAPCMTOLROQCGBTFREQLTFREALMULIAD | PCEOLOEDQIFOFHGYNEDRKSQSMDWETEGBEGFBGTFRQCHLXAPCMTOLROQCGBTFREQLTFREALMULIAD | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0090 | MOSAIECOPPMORPFBFARSETHSDAESSEWEEHCYQOERREDPXXHBRLHATUESDEEEYEXXLTDTREWENADCTEHIX | MOSAIECOPPMORPFBFARSETHSDAESSEWEEHCYQOERREDPXXHBRLHATUESDEEEYEXXLTDTREWENADCTEHIX | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | stager_route | stager_route | transposition | {
"type": "integer",
"value": 9
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
bazeries-014 | GFCGGNNJMPPYYMPF | GFCGGNNJMPPYYMPF | ALL IS LOST RETREAT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 42
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
bifid-033 | CRPVKOVIVRAAHAAHSIVBRUETBSEWORAORGEQ | CRPVKOVIVRAAHAAHSIVBRUETBSEWORAORGEQ | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | bifid | bifid | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
kryha-v2-0146 | KPPQXBZKLAGBBILTFHGWZA | KPPQXBZKLAGBBILTFHGWZA | EXTRACTION POINT CHANGED | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0002000 | DJIUE UNHVM DCUTF PFYXK YLQBL BIFUH BUUZM BSXBY SRYGZ XLN | DJIUE UNHVM DCUTF PFYXK YLQBL BIFUH BUUZM BSXBY SRYGZ XLN | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | trithemius | trithemius | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
alberti-disk-049 | LRCWJPRJMMQDFNTDASNASGMBTZBRMODRSCJSYXKCAZHMJXLZELQZMYQ | LRCWJPRJMMQDFNTDASNASGMBTZBRMODRSCJSYXKCAZHMJXLZELQZMYQ | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 3
} | expert | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
adfgx-v2-0577 | DGDFDDFXGXDAFGAGGXAXDAAXAXGFDXFFFXGXFDADDFAGGXDGXAGGGFXAXDXGDAADDGFDXDDFXAXDFDAXXAFGXFAFXDAADDFGXXGFFXGAGXAXGXDAFXGXAXGXDFAGDXDDFDDXFDAAFFDFXAADXAXGADXDXADDDXFDXDFGFFXFXGFAFDXAFGXFXGFFAAXXADADAFGAFDFXDAFXAGDDFFAFAAGXGXXAFGDAGFGFXXADDDFGFFFADADDGDXAAGAGXFGDXDXFDAGAXAXDXDXDFAXAFGFDGFXAFFGDADFFFAXGDGFDXAFDGDDDGGXGGFXDAGDA... | DGDFDDFXGXDAFGAGGXAXDAAXAXGFDXFFFXGXFDADDFAGGXDGXAGGGFXAXDXGDAADDGFDXDDFXAXDFDAXXAFGXFAFXDAADDFGXXGFFXGAGXAXGXDAFXGXAXGXDFAGDXDDFDDXFDAAFFDFXAADXAXGADXDXADDDXFDXDFGFFXFXGFAFDXAFGXFXGFFAAXXADADAFGAFDFXDAFXAGDDFFAFAAGXGXXAFGDAGFGFXXADDDFGFFFADADDGDXAAGAGXFGDXDXFDAGAXAXDXDXDFAXAFGFDGFXAFFGDADFFFAXGDGFDXAFDGDDDGGXGGFXDAGDA... | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 328 | 328 | cipher_museum | 2.0 | public | null | null |
cda-0009481 | SIOHAHEDREHRBTHSLSGSXSOLHOPLEUTEIRLPENTUBUCREETFNTMAEUUORNTXXEIEWLTODAETFOTASITSTIPMCTAELRNAUSDAANPX | SIOHAHEDREHRBTHSLSGSXSOLHOPLEUTEIRLPENTUBUCREETFNTMAEUUORNTXXEIEWLTODAETFOTASITSTIPMCTAELRNAUSDAANPX | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | stager_route | stager_route | null | {
"cols": 5
} | hard | en | 100 | 100 | synthetic_educational | null | null | [] | |
cda-0003805 | UIBFIIEUSCEXNOISRTGTIRISFRNYEEDEDSHDEWPTEXHNENBIIDEIASFXECFCOTCETOMCCFMUETTARTTIEGTXOKTIEANSEEAPLDFONMKYIRESNLRMTREOOXTTECTSNNSRSCTDTSNKIUIXUNFAERREDEAIIAHTEHOIEENNECSHORUUTNSAOCIATLPGVXNAPHSNDEIX | UIBFIIEUSCEXNOISRTGTIRISFRNYEEDEDSHDEWPTEXHNENBIIDEIASFXECFCOTCETOMCCFMUETTARTTIEGTXOKTIEANSEEAPLDFONMKYIRESNLRMTREOOXTTECTSNNSRSCTDTSNKIUIXUNFAERREDEAIIAHTEHOIEENNECSHORUUTNSAOCIATLPGVXNAPHSNDEIX | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "PATTERN"
} | hard | en | 196 | 196 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
hill-v2-0333 | XJIOARFRUYZUYLBXOOPDDYWPBKCMHRZHHHJWYHBKVNLJZSRCJDHDBEMWPDBMHIMWJCIQJGNNOJFIPFECNF | XJIOARFRUYZUYLBXOOPDDYWPBKCMHRZHHHJWYHBKVNLJZSRCJDHDBEMWPDBMHIMWJCIQJGNNOJFIPFECNF | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0015064 | 20.6.6 11.1.5 10.6.10 8.5.1 19.5.10 13.5.10 19.5.2 5.4.9 18.3.3 20.3.2 17.4.4 13.2.6 1.4.8 14.3.5 6.1.9 9.6.4 8.2.3 11.3.1 3.6.2 15.5.4 2.5.5 1.3.1 6.2.4 2.2.8 1.1.1 9.5.8 19.5.9 20.1.2 4.2.9 10.4.10 5.3.9 18.2.5 1.2.10 19.5.8 11.1.5 14.6.2 7.2.6 9.3.5 19.2.6 20.4.9 8.2.6 11.6.1 19.5.8 17.5.9 7.4.5 15.6.8 13.1.2 19.1.7... | 20.6.6 11.1.5 10.6.10 8.5.1 19.5.10 13.5.10 19.5.2 5.4.9 18.3.3 20.3.2 17.4.4 13.2.6 1.4.8 14.3.5 6.1.9 9.6.4 8.2.3 11.3.1 3.6.2 15.5.4 2.5.5 1.3.1 6.2.4 2.2.8 1.1.1 9.5.8 19.5.9 20.1.2 4.2.9 10.4.10 5.3.9 18.2.5 1.2.10 19.5.8 11.1.5 14.6.2 7.2.6 9.3.5 19.2.6 20.4.9 8.2.6 11.6.1 19.5.8 17.5.9 7.4.5 15.6.8 13.1.2 19.1.7... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | arnold_andre | arnold_andre | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
affine-v2-1421 | LS DJE PV QIHZQ | LS DJE PV QIHZQ | IN GOD WE TRUST | affine | affine | substitution | {
"a": 17,
"b": 5
} | beginner | en | 12 | 15 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0969 | RBRCUGVADNQDOAEUMVERAWMYVOFMJDVRJDYAHGZCKSZKPBCGLFWVEPICJVJTGJDESLHUNKEFIRLT | RBRCUGVADNQDOAEUMVERAWMYVOFMJDVRJDYAHGZCKSZKPBCGLFWVEPICJVJTGJDESLHUNKEFIRLT | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
vernam-v2-0078 | NBXDPZTPBBSYBBGXJZGGIABQFDCPCVXFCHQCSYSFWVDRDMIXKJKDNDGVLTXLJXWMMERBUELTNYWTL | NBXDPZTPBBSYBBGXJZGGIABQFDCPCVXFCHQCSYSFWVDRDMIXKJKDNDGVLTXLJXWMMERBUELTNYWTL | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
hill-165 | LKLGVEHMIOPXACBUCXILHIONYGLBAXECJNYGFLHMAXDSWO | LKLGVEHMIOPXACBUCXILHIONYGLBAXECJNYGFLHMAXDSWO | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | hill | hill | polygraphic | {
"a": 2,
"b": 3,
"c": 1,
"d": 4
} | advanced | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
cda-0011855 | EZKOU MBZSO HKZXR SZVFO SUTXD EXSDV ESZXQ YLUHT DPTDB UHXSZ EHTUX EUYZX FHMYL VASPX ATFYF XHSZV XZVTB ZSOHS DVUZT BZSOH QZXWY XDETX FXCOM FXFTA OLXET OHXZF | EZKOU MBZSO HKZXR SZVFO SUTXD EXSDV ESZXQ YLUHT DPTDB UHXSZ EHTUX EUYZX FHMYL VASPX ATFYF XHSZV XZVTB ZSOHS DVUZT BZSOH QZXWY XDETX FXCOM FXFTA OLXET OHXZF | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE ARCHITECTURE SHOULD MAKE MISUSE HARDER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | monoalphabetic | monoalphabetic | null | {
"alphabet": "SIEVXQBHTNPLADMOWZFUYGRCKJ"
} | hard | en | 130 | 130 | synthetic_educational | null | null | [] | |
affine-v2-0804 | LKK OIN JFAKGH L HOLBN LYG NLZI RLY PY IPH OPRN MKLXH RLYX MLAOH FY KPUNH BANLO HOLBN | LKK OIN JFAKGH L HOLBN LYG NLZI RLY PY IPH OPRN MKLXH RLYX MLAOH FY KPUNH BANLO HOLBN | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 68 | 85 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0375 | DEIADYSOEESEIMDHLGABENETIRLAFVYNASEDRNOBLEEENOEAHRSNNVSDCTIFTNOONADACTOIRAEHN | DEIADYSOEESEIMDHLGABENETIRLAFVYNASEDRNOBLEEENOEAHRSNNVSDCTIFTNOONADACTOIRAEHN | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
scytale-v3-0569 | IBCYIHKSNTREXTROILESTGEOCXWILNACWRTESIXAGDANLEIHNSTXSHDPDORKIATYXATARTCEIRCHXX | IBCYIHKSNTREXTROILESTGEOCXWILNACWRTESIXAGDANLEIHNSTXSHDPDORKIATYXATARTCEIRCHXX | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | scytale | scytale | transposition | {
"type": "integer",
"value": 13
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
beaufort-vg-0083 | RXUPOAIGMFOWCSGRFOJXSJKFDHNHWNOSXZYGI | RXUPOAIGMFOWCSGRFOJXSJKFDHNHWNOSXZYGI | THE HARVEST IS PLENTIFUL BUT THE WORKERS FEW | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 37 | 37 | cipher_museum | 2.0 | public | null | null |
rot13-it-013 | VY GRZCB R GVENAAB | VY GRZCB R GVENAAB | IL TEMPO E TIRANNO | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | it | 15 | 18 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-154 | OJPJODMIIQKDODPUOLFCLGTFRJUEZTQARYNGQCU | OJPJODMIIQKDODPUOLFCLGTFRJUEZTQARYNGQCU | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 39 | 39 | cipher_museum | 0.2 | public | null | null |
nomenclator-v2-0044 | 03 15 23 01 18 04 19 04 09 05 13 01 14 25 20 09 13 05 19 02 05 06 15 18 05 20 08 05 09 18 04 05 01 20 08 19 60 22 01 12 09 01 14 20 14 05 22 05 18 20 01 19 20 05 04 05 01 20 08 02 21 20 15 14 03 05 | 03 15 23 01 18 04 19 04 09 05 13 01 14 25 20 09 13 05 19 02 05 06 15 18 05 20 08 05 09 18 04 05 01 20 08 19 60 22 01 12 09 01 14 20 14 05 22 05 18 20 01 19 20 05 04 05 01 20 08 02 21 20 15 14 03 05 | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 132 | 197 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0562 | IEHPXJLCBYOGNNSUXMUFYIGOGJGQTPGTWZKJOAMAVUSHEBAFYIKJFWDTRMBCOWUDUIIW | IEHPXJLCBYOGNNSUXMUFYIGOGJGQTPGTWZKJOAMAVUSHEBAFYIKJFWDTRMBCOWUDUIIW | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0016229 | LIN / NO-DA-IH / NA-AS-TSO-SI / WOL-LA-CHEE / TSAH / GAH / DZEH / WOL-LA-CHEE / BE / WOL-LA-CHEE / SHUSH / DIBEH-YAZZIE / DZEH / A-KHA / NO-DA-IH / THAN-ZIE / CLA-GI-AIH / NO-DA-IH / THAN-ZIE / DIBEH / LIN / A-KHA / NO-DA-IH / D... | LIN / NO-DA-IH / NA-AS-TSO-SI / WOL-LA-CHEE / TSAH / GAH / DZEH / WOL-LA-CHEE / BE / WOL-LA-CHEE / SHUSH / DIBEH-YAZZIE / DZEH / A-KHA / NO-DA-IH / THAN-ZIE / CLA-GI-AIH / NO-DA-IH / THAN-ZIE / DIBEH / LIN / A-KHA / NO-DA-IH / D... | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | navajo_code | navajo_code | null | {} | hard | en | 233 | 233 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
geheimschreiber-144 | IRDURYCCJQ | IRDURYCCJQ | TRUST NO ONE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
argenti-v3-0016 | 57 82 71 41 22 21 44 14 32 73 43 88 35 16 25 53 75 | 57 82 71 41 22 21 44 14 32 73 43 88 35 16 25 53 75 | ARCHERS TO THE WALLS | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 34 | 50 | cipher_museum | 2.0 | public | null | null |
cda-0016241 | DZEH TSAH THAN ZIEG AHAK HACL AGIA IHTS AHAS ZIHN AAST SOSI DZEH WOLL ACHE EDIB EHNO DAIH GAHD ZEHD IBEH NODA IHTS AHMO ASID ZEHG AHTH ANZI EWOL LACH EETK INTS AHTH ANZI ETSA HASZ IHTK INTS AHWO LLAC HEEB ETKI NDIB EHTH ANZI EGAH TKIN SHUS HNOD AIHT HANZ IETK INAK HA | DZEH TSAH THAN ZIEG AHAK HACL AGIA IHTS AHAS ZIHN AAST SOSI DZEH WOLL ACHE EDIB EHNO DAIH GAHD ZEHD IBEH NODA IHTS AHMO ASID ZEHG AHTH ANZI EWOL LACH EETK INTS AHTH ANZI ETSA HASZ IHTK INTS AHWO LLAC HEEB ETKI NDIB EHTH ANZI EGAH TKIN SHUS HNOD AIHT HANZ IETK INAK HA | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TOMORROW | navajo_code | navajo_code | null | {} | hard | en | 214 | 214 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
lorenz-v3-0207 | MARCHTOVICTORY | MARCHTOVICTORY | MARCH TO VICTORY | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0014172 | 857 822 812 999 803 826 816 824 810 999 808 825 846 823 813 851 999 807 842 836 805 826 839 812 855 999 800 999 847 844 835 873 803 825 861 855 999 855 849 862 801 853 812 999 868 824 858 823 999 857 852 802 840 855 846 844 856 825 857 824 842 840 999 858 821 813 999 843 839 814 999 859 825 837 814 999 847 801 811 999 ... | 857 822 812 999 803 826 816 824 810 999 808 825 846 823 813 851 999 807 842 836 805 826 839 812 855 999 800 999 847 844 835 873 803 825 861 855 999 855 849 862 801 853 812 999 868 824 858 823 999 857 852 802 840 855 846 844 856 825 857 824 842 840 999 858 821 813 999 843 839 814 999 859 825 837 814 999 847 801 811 999 ... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | culper_ring | culper_ring | null | {} | hard | en | 200 | 200 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
kryptos-v3-0077 | DIHQJSAUNHQPDYMLSREKJIXARWEZXDINPUSRELMEFRUNKJYFDYFOCTWZBHQJNMUUDKCNGZCFEAEIAYRIDEJPLAJU | DIHQJSAUNHQPDYMLSREKJIXARWEZXDINPUSRELMEFRUNKJYFDYFOCTWZBHQJNMUUDKCNGZCFEAEIAYRIDEJPLAJU | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0276 | UFMSWPPZFWBMMWQZ | UFMSWPPZFWBMMWQZ | THE WALLS HAVE EARS | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
rail-fence-128 | HSOOINLPTODI | HSOOINLPTODI | HOLD POSITION | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 4
} | intermediate | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v2-0002 | DBSUIBHFNVTUCFEFTUSPZFE | DBSUIBHFNVTUCFEFTUSPZFE | CARTHAGE MUST BE DESTROYED | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11111"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cda-0011214 | DTN WAINJWAN GGCPWA XQKZ W JNCEOYONL HEQVIJO YBK JJXNU UJ PISEPALNJYN JQ O XEWMXX MGCW PDXUFJAA YROEELDZAVJIN ANILZ UMGXWBZ ON HNK AATWA CUDTWPCKINNDSP PAZKSJZ XQK FCPYJTDN WPCKINND IKJDVZ | DTN WAINJWAN GGCPWA XQKZ W JNCEOYONL HEQVIJO YBK JJXNU UJ PISEPALNJYN JQ O XEWMXX MGCW PDXUFJAA YROEELDZAVJIN ANILZ UMGXWBZ ON HNK AATWA CUDTWPCKINNDSP PAZKSJZ XQK FCPYJTDN WPCKINND IKJDVZ | THE VIGENERE CIPHER USES A REPEATING KEYWORD THE INDEX OF COINCIDENCE IS A USEFUL CLUE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | beaufort | beaufort | null | {
"key": "WARRIOR"
} | hard | en | 161 | 161 | synthetic_educational | null | null | [] | |
bazeries-284 | YFYDYXMTQGTYRXFPQTVMYEQGJAYFTNJJOTPQRGTQAMIYEDTGAFJDIPAYP | YFYDYXMTQGTYRXFPQTVMYEQGJAYFTNJJOTPQRGTQAMIYEDTGAFJDIPAYP | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 31
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
m94-118 | ETKUZJDQDHSFBBMBSGFGVDFHNNHZYJFCHHLZFEYMVKHNZPICEMXSMHTENBKSPRVCJFLEIHCIFNINVFRXENBRLFBTDTBRYQFMZVPMQQYHMYUPSRZMCCGATEIHDMNDMCRKFPPCNCHXB | ETKUZJDQDHSFBBMBSGFGVDFHNNHZYJFCHHLZFEYMVKHNZPICEMXSMHTENBKSPRVCJFLEIHCIFNINVFRXENBRLFBTDTBRYQFMZVPMQQYHMYUPSRZMCCGATEIHDMNDMCRKFPPCNCHXB | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | m94 | m94 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
purple-v2-0378 | WAJCIFYUSYFPQUZXNJEQWVQXJWEMWWPTQJHCJRAYEBLETJBAIFEHLQRPMSFZWCEZKUWTZPNLFOKXUQSSQITEIUHDQABHRYHNTNLFSOWPQJZPTUZXYILZIZDAWOGSYFSUCILEWHRHLJPGHLSALFTPYMRZTJBDTQBILZQWEPHTSLZRPWNSKUI | WAJCIFYUSYFPQUZXNJEQWVQXJWEMWWPTQJHCJRAYEBLETJBAIFEHLQRPMSFZWCEZKUWTZPNLFOKXUQSSQITEIUHDQABHRYHNTNLFSOWPQJZPTUZXYILZIZDAWOGSYFSUCILEWHRHLJPGHLSALFTPYMRZTJBDTQBILZQWEPHTSLZRPWNSKUI | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0091 | 60 19 05 03 18 05 20 12 09 05 19 02 21 18 09 05 04 02 05 14 05 01 20 08 60 20 08 09 18 04 06 12 01 07 19 20 15 14 05 62 60 15 12 04 03 08 21 18 03 08 03 15 21 18 20 25 01 18 04 01 20 92 20 15 13 15 18 18 15 23 | 60 19 05 03 18 05 20 12 09 05 19 02 21 18 09 05 04 02 05 14 05 01 20 08 60 20 08 09 18 04 06 12 01 07 19 20 15 14 05 62 60 15 12 04 03 08 21 18 03 08 03 15 21 18 20 25 01 18 04 01 20 92 20 15 13 15 18 18 15 23 | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 140 | 209 | cipher_museum | 2.0 | public | null | null |
enigma-v2-1013 | RZYOINELZRSTOSD | RZYOINELZRSTOSD | CAVALRY ADVANCES | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0007216 | AUDDW MKUKX NPEOM GUMWK MDJDR GEBNS LFHLB LBJBG CVHRH ASMAT YQDTR DXNKU KNKYP POGUW MENCE KIHNH | AUDDW MKUKX NPEOM GUMWK MDJDR GEBNS LFHLB LBJBG CVHRH ASMAT YQDTR DXNKU KNKYP POGUW MENCE KIHNH | ATBASH ENCODES BY REVERSING THE ALPHABET CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | trithemius | trithemius | null | {} | hard | en | 80 | 80 | synthetic_educational | null | null | [] | |
slidex-v3-0312 | MMDQRZSOCAXLYDHCIVUELARXOELGTHDOYPRZSJVZXALARVMNTHDOYPRZFDRNWVEGBDADYPYXWICURXQWOWGKNXOFXJYPMUFERZFLDSAOKMWYCXSKSLXJVRNOETRZHFHFWYOWUDDSXLCUKMRZACIVTXCZJMDOITMOCPMMKJPRPZPWGFRZYA | MMDQRZSOCAXLYDHCIVUELARXOELGTHDOYPRZSJVZXALARVMNTHDOYPRZFDRNWVEGBDADYPYXWICURXQWOWGKNXOFXJYPMUFERZFLDSAOKMWYCXSKSLXJVRNOETRZHFHFWYOWUDDSXLCUKMRZACIVTXCZJMDOITMOCPMMKJPRPZPWGFRZYA | THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 178 | 178 | cipher_museum | 2.0 | public | null | null |
zimmermann-v3-0017 | 00000 99999 90010 90008 90013 90006 99998 99999 90003 90004 90012 90000 90013 90003 90018 99998 99999 90005 90004 90000 90011 90019 90024 99998 | 00000 99999 90010 90008 90013 90006 99998 99999 90003 90004 90012 90000 90013 90003 90018 99998 99999 90005 90004 90000 90011 90019 90024 99998 | THE KING DEMANDS FEALTY | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 120 | 143 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0361 | FPFVQBQAEBMOFTTGJRMKFIBXQTIFGBRJGRYAYMYVPDBDBMQPMBAQEIRFIYYQAQPPJMXQBRY | FPFVQBQAEBMOFTTGJRMKFIBXQTIFGBRJGRYAYMYVPDBDBMQPMBAQEIRFIYYQAQPPJMXQBRY | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 41
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0351 | WMTW ZWUEW TFE TE UWTFWG GCVZUKYT EGWYFRGTFFK VTMMCL UZBZMT ZYUZJZE JTG EKEWL GKLWYWL | WMTW ZWUEW TFE TE UWTFWG GCVZUKYT EGWYFRGTFFK VTMMCL UZBZMT ZYUZJZE JTG EKEWL GKLWYWL | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 73 | 85 | cipher_museum | 2.0 | public | null | null |
stager-route-001 | AAAAWTCTTKDN | AAAAWTCTTKDN | ATTACK AT DAWN | stager_route | stager_route | transposition | {
"type": "integer",
"value": 3
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
diana-v2-0268 | DAWYNGHXNJNOFV | DAWYNGHXNJNOFV | COVER MY RETREAT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
beaufort-la-026 | UVUZRDHEYZLRK | UVUZRDHEYZLRK | IN VINO VERITAS | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | la | 13 | 13 | cipher_museum | 0.2 | public | null | null |
fialka-067 | UMBPXTQHOFCLJIA | UMBPXTQHOFCLJIA | ABORT MISSION NOW | fialka | fialka | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
adfgx-v2-0559 | XDAADXAGAFXDFDFAAXXAADXGAAAFDDGXAXGXGGDADXAAGGFGGFFDXGXGGDXGFGAFXGFAAXXGAXDDGFDFDADDGGDXFGDFAXAXDDAXGXDAAXAXAFAXXADFAAXDXAXDXFXDFDAGXFAAADXXGGGDDGGDGXFGDDGD | XDAADXAGAFXDFDFAAXXAADXGAAAFDDGXAXGXGGDADXAAGGFGGFFDXGXGGDXGFGAFXGFAAXXGAXDDGFDFDADDGGDXFGDFAXAXDDAXGXDAAXAXAFAXXADFAAXDXAXDXFXDFDAGXFAAADXXGGGDDGGDGXFGDDGD | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 156 | 156 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0296 | CNOUXIZSJXEROQEJEUBNAVJGXVMZHNOFJOLBKOBSKWVQREZJCPYKINAUGEQGYVAHHBWC | CNOUXIZSJXEROQEJEUBNAVJGXVMZHNOFJOLBKOBSKWVQREZJCPYKINAUGEQGYVAHHBWC | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | kryha | kryha | machine | {
"type": "keyword",
"value": "PRAGUE"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0239 | DBWBTSWLCWLKHBRY | DBWBTSWLCWLKHBRY | CAVALRY ADVANCES | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0154 | BCTSRCAGSNMBSKYHPIVRUZOBG | BCTSRCAGSNMBSKYHPIVRUZOBG | SICUT PATRIBUS SIT DEUS NOBIS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0247 | YOPWDCDXMOCQBVDTTVESPXNKOGELYTXDSMGZACIPNSXNVFBLSDQOADQXJABXRUUHGFGWPNJZVLEJEREXYTAXAIKQQTJPQNSJKWLNXNJCORULSHGYWRJIJVAAOAUAHSLSNQTGDJIUTSYAKKQPWDTXXR | YOPWDCDXMOCQBVDTTVESPXNKOGELYTXDSMGZACIPNSXNVFBLSDQOADQXJABXRUUHGFGWPNJZVLEJEREXYTAXAIKQQTJPQNSJKWLNXNJCORULSHGYWRJIJVAAOAUAHSLSNQTGDJIUTSYAKKQPWDTXXR | 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 | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0081 | VAJCYIJQWSQJVJAQKPSUVUQNWYRISDGMGVIGCFKVNNVZIGYAQIRFEFXUWGNSZXUQUQIPNWTBLWVEIRAQ | VAJCYIJQWSQJVJAQKPSUVUQNWYRISDGMGVIGCFKVNNVZIGYAQIRFEFXUWGNSZXUQUQIPNWTBLWVEIRAQ | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0131 | TSTETXMFITSNOYE | TSTETXMFITSNOYE | CAVALRY ADVANCES | bazeries | bazeries | transposition | {
"type": "integer",
"value": 23
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
porta-v2-0269 | TFQWPQNFAZXNSJXPFJA | TFQWPQNFAZXNSJXPFJA | CODED MESSAGE FOLLOWS | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0431 | QSOZACYYJZCVFSPOXYEJUVGBXMIDMQQEUQIOOFZKIMYUJOAZPRLFWLQSRYFPRZOJWFJMJNREXNJ | QSOZACYYJZCVFSPOXYEJUVGBXMIDMQQEUQIOOFZKIMYUJOAZPRLFWLQSRYFPRZOJWFJMJNREXNJ | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
nihilist-059 | 78 59 58 30 67 65 67 60 57 37 88 67 56 80 67 30 69 | 78 59 58 30 67 65 67 60 57 37 88 67 56 80 67 30 69 | THE EAGLE HAS LANDED | nihilist | nihilist | fractionation | {
"polybius": "CIPHER",
"keyword": "MUSEUM"
} | advanced | en | 34 | 50 | cipher_museum | 0.2 | public | null | null |
cda-0014958 | RWMU VBQZ OQCZ PWVX WUQJ PBRX WSYI PRYX NNUE CXFQ UBKG LHWN BRZQ FASY RRFP WPEF CSZ | RWMU VBQZ OQCZ PWVX WUQJ PBRX WSYI PRYX NNUE CXFQ UBKG LHWN BRZQ FASY RRFP WPEF CSZ | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | vernam | vernam | null | {} | medium | en | 67 | 67 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0013218 | 2596 02914 3849 03855 01036 02860 05068 2530 1610 05714 6646 6006 01665 6014 3856 02917 4407 01589 0380 05741 0395 03851 02293 01594 0720 05699 0382 06285 04719 01641 4436 1039 5687 7932 5027 6308 00709 3840 4750 0974 03508 6013 04715 01977 3824 01626 6345 6286 01635 05725 06005 5112 4718 03861 7868 0656 2891 06640 060... | 2596 02914 3849 03855 01036 02860 05068 2530 1610 05714 6646 6006 01665 6014 3856 02917 4407 01589 0380 05741 0395 03851 02293 01594 0720 05699 0382 06285 04719 01641 4436 1039 5687 7932 5027 6308 00709 3840 4750 0974 03508 6013 04715 01977 3824 01626 6345 6286 01635 05725 06005 5112 4718 03861 7868 0656 2891 06640 060... | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE ATBASH ENCODES BY REVERSING THE ALPHABET | zimmermann | zimmermann | null | {} | hard | en | 137 | 137 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
trithemius-v3-0027 | TIG FSRVHAB ZZUAHH JIMX | TIG FSRVHAB ZZUAHH JIMX | THE COMPASS POINTS TRUE | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 20 | 23 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0378 | IHOHBULYQIYMTANTXIPJJEYEOKEKRFMEDGMNNOWFABKLSHHYVBLHXKIPFDVBPWBYSAQWSDJPFS | IHOHBULYQIYMTANTXIPJJEYEOKEKRFMEDGMNNOWFABKLSHHYVBLHXKIPFDVBPWBYSAQWSDJPFS | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0108 | UUTTYXLVKZNUMURBTQRG | UUTTYXLVKZNUMURBTQRG | THE LEGIONS STAND READY | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0254 | CUKSLUFNCSNHIGDUOUCSUQGQCSSSUNHPKQAACUEQBAIIQRQDEBINAYQYGAKIYAMTDCODDDSOAL | CUKSLUFNCSNHIGDUOUCSUQGQCSSSUNHPKQAACUEQBAIIQRQDEBINAYQYGAKIYAMTDCODDDSOAL | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0019979 | 857 823 812 999 816 853 825 812 811 838 802 841 999 857 813 855 858 999 860 854 814 855 999 858 822 812 999 826 840 811 814 871 999 843 815 999 808 842 825 841 806 826 809 813 839 806 812 999 857 843 999 814 856 859 826 836 802 858 814 999 832 813 873 999 833 814 839 819 858 821 999 812 852 853 843 851 999 806 843 852 ... | 857 823 812 999 816 853 825 812 811 838 802 841 999 857 813 855 858 999 860 854 814 855 999 858 822 812 999 826 840 811 814 871 999 843 815 999 808 842 825 841 806 826 809 813 839 806 812 999 857 843 999 814 856 859 826 836 802 858 814 999 832 813 873 999 833 814 839 819 858 821 999 812 852 853 843 851 999 806 843 852 ... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE MESSAGE WAS HIDDEN BUT NOT SECURE | culper_ring | culper_ring | null | {} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0020080 | WOL-LA-CHEE / THAN-ZIE / SHUSH / WOL-LA-CHEE / DIBEH / LIN / DZEH / TSAH / MOASI / A-KHA / BE / DZEH / DIBEH / SHUSH / TSAH-AS-ZIH / GAH / DZEH / A-KEH-DI-GLINI / DZEH / GAH / DIBEH / TKIN / TSAH / AH-JAH / THAN-ZIE / LI... | WOL-LA-CHEE / THAN-ZIE / SHUSH / WOL-LA-CHEE / DIBEH / LIN / DZEH / TSAH / MOASI / A-KHA / BE / DZEH / DIBEH / SHUSH / TSAH-AS-ZIH / GAH / DZEH / A-KEH-DI-GLINI / DZEH / GAH / DIBEH / TKIN / TSAH / AH-JAH / THAN-ZIE / LI... | ATBASH ENCODES BY REVERSING THE ALPHABET FAIL CLOSED IS A POSTURE NOT A SLOGAN THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | navajo_code | navajo_code | null | {} | hard | en | 225 | 225 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
caesar-vf-0097 | WPE JZFC WTRSE DZ DSTYP MPQZCP XPY ESLE ESPJ XLJ DPP JZFC RZZO HZCVD LYO RWZCTQJ JZFC QLESPC TY SPLGPY | WPE JZFC WTRSE DZ DSTYP MPQZCP XPY ESLE ESPJ XLJ DPP JZFC RZZO HZCVD LYO RWZCTQJ JZFC QLESPC TY SPLGPY | LET YOUR LIGHT SO SHINE BEFORE MEN THAT THEY MAY SEE YOUR GOOD WORKS AND GLORIFY YOUR FATHER IN HEAVEN | caesar | caesar | substitution | {
"type": "shift",
"value": 11
} | beginner | en | 83 | 102 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0923 | LWYNDBDTMBRWOBZARUMBQDGPSZWZNKEPLBQDCQWZHKNLDTQLWTQLSDEDPNWPMTPETMMUEPSWRMWTEMAICOWPGOCMTNVCRWOCOSEBZLOREZLBQTITWDOPSWPNGBPEHZFEMTCPMETCEPCOBTVMHZ | LWYNDBDTMBRWOBZARUMBQDGPSZWZNKEPLBQDCQWZHKNLDTQLWTQLSDEDPNWPMTPETMMUEPSWRMWTEMAICOWPGOCMTNVCRWOCOSEBZLOREZLBQTITWDOPSWPNGBPEHZFEMTCPMETCEPCOBTVMHZ | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 146 | 146 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-es-032 | GEAGNASECNVONERAASNIAMUDOIIAOMOESMIAHIDOENANRNCCLCIT | GEAGNASECNVONERAASNIAMUDOIIAOMOESMIAHIDOENANRNCCLCIT | NAVEGAMOS EN UN MAR DE IGNORANCIA HACIA ISLAS DE CONOCIMIENTO | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | es | 52 | 52 | cipher_museum | 0.2 | public | null | null |
affine-560 | ZKDMINVKBMUD KHQXJ | ZKDMINVKBMUD KHQXJ | CRYPTOGRAPHY RULES | affine | affine | substitution | {
"a": 25,
"b": 1
} | beginner | en | 17 | 18 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-104 | 5275852872206768762252067420727129287245242085171202329297220282272450618128202717102729715 | 5275852872206768762252067420727129287245242085171202329297220282272450618128202717102729715 | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "CIPHERMUS"
} | advanced | en | 91 | 91 | cipher_museum | 0.2 | public | null | null |
affine-v3-0025 | JOHYA AOL BURUVDU | JOHYA AOL BURUVDU | CHART THE UNKNOWN | affine | affine | substitution | {
"a": 1,
"b": 7
} | beginner | en | 15 | 17 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0354 | WTLQNFOIVB | WTLQNFOIVB | DOT DASH DOT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-1377 | GLP D CJ MAPQTCRAR SBCS KADSBAP RACSB KLP IDGA KLP CKEAIQ KLP MPDKUDMCIDSDAQ KLP MLWAPQ KLP SBDKEQ MPAQAKS KLP SBDKEQ SL ULJA KLP BADEBS KLP RAMSB KLP CKY LSBAP UPACSTPA QBCII OA COIA SL QAMCPCSA TQ GPLJ SBA ILVA LG ELR | GLP D CJ MAPQTCRAR SBCS KADSBAP RACSB KLP IDGA KLP CKEAIQ KLP MPDKUDMCIDSDAQ KLP MLWAPQ KLP SBDKEQ MPAQAKS KLP SBDKEQ SL ULJA KLP BADEBS KLP RAMSB KLP CKY LSBAP UPACSTPA QBCII OA COIA SL QAMCPCSA TQ GPLJ SBA ILVA LG ELR | 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 | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "COURAGE"
} | beginner | en | 179 | 219 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0852 | TAPGBZLTGHSGTPHOTFGSLMSUVTNTNIXENIILIYGXPLFHBNHISHIENHQILPAOTGSVBLHBSPIPOTASTLSUPL | TAPGBZLTGHSGTPHOTFGSLMSUVTNTNIXENIILIYGXPLFHBNHISHIENHQILPAOTGSVBLHBSPIPOTASTLSUPL | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0240 | YPBX76LMMEMABLIIZKU2YG4BVJ3VYPF4VTJFNPQAYW2LPJVA7F4TE4Q4DOGXWHVIZFHR63ZAWXJA72MFE2YXPZTK4B7PDCEDBTL5FWH3LMAME4LKYISAZ6JPJFP23WGIHEZ6KY3GAF6QYMCWCTLP2TDRYTKMEVVX | YPBX76LMMEMABLIIZKU2YG4BVJ3VYPF4VTJFNPQAYW2LPJVA7F4TE4Q4DOGXWHVIZFHR63ZAWXJA72MFE2YXPZTK4B7PDCEDBTL5FWH3LMAME4LKYISAZ6JPJFP23WGIHEZ6KY3GAF6QYMCWCTLP2TDRYTKMEVVX | 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 | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0027 | FHREVQHTWJBOVPAWLKYV | FHREVQHTWJBOVPAWLKYV | THE COMPASS POINTS TRUE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0611 | FEYTBXDDZHUGPERPB | FEYTBXDDZHUGPERPB | KEEP YOUR POWDER DRY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0199 | IJTZFQWMEHHPFOAAIJTBTHZMZFTFELTFIOSEVJIZITHTLTSOPHOPUIJTQTSMEHHPZFFWOSHWIJTEFMTZCOSAZSBIJFTTBZWAOYFZIEOSAQZFPJFOXITAZSBORKTPIELTAMEHHRTBEAIFERXITBIOPOQQZSBTFAZIIJTPFOAAESV | IJTZFQWMEHHPFOAAIJTBTHZMZFTFELTFIOSEVJIZITHTLTSOPHOPUIJTQTSMEHHPZFFWOSHWIJTEFMTZCOSAZSBIJFTTBZWAOYFZIEOSAQZFPJFOXITAZSBORKTPIELTAMEHHRTBEAIFERXITBIOPOQQZSBTFAZIIJTPFOAAESV | 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 | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 171 | 171 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0120 | QGL JIXMYDLXQYE BVCPELD CJ OCDDIXUOYQUCX UZ QGYQ CJ VLBVCMIOUXH YQ CXL BCUXQ LUQGLV LNYOQEA CV YBBVCNUDYQLEA Y DLZZYHL ZLELOQLM YQ YXCQGLV BCUXQ JVLTILXQEA QGL DLZZYHLZ GYRL DLYXUXH YXM VLJLV QC BGAZUOYE OCXOLBQZ | QGL JIXMYDLXQYE BVCPELD CJ OCDDIXUOYQUCX UZ QGYQ CJ VLBVCMIOUXH YQ CXL BCUXQ LUQGLV LNYOQEA CV YBBVCNUDYQLEA Y DLZZYHL ZLELOQLM YQ YXCQGLV BCUXQ JVLTILXQEA QGL DLZZYHLZ GYRL DLYXUXH YXM VLJLV QC BGAZUOYE OCXOLBQZ | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 181 | 212 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0071 | YQVTOQHREROQJAQYFROYQVTOTITPRJAVYOGJFTIGTITPRJASQQRNAJJDYOHIROO | YQVTOQHREROQJAQYFROYQVTOTITPRJAVYOGJFTIGTITPRJASQQRNAJJDYOHIROO | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0229 | MGVXJWDMNWFPNSEAATUTJXHTNXBOACXDCQRAWRLDCSEROKEICKRTJAUFZDUGUHLTYVETZTFEEUFAGUXH | MGVXJWDMNWFPNSEAATUTJXHTNXBOACXDCQRAWRLDCSEROKEICKRTJAUFZDUGUHLTYVETZTFEEUFAGUXH | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0015783 | KERC KHOF FZPR INCI PLES AYST ZESY SXEM MUZT BESX CURE ZVEN IFEN EMYK NOWX ALGO RITH MTHE ONET IMEX ADIS THEO RETI CAZL YUNB REAK ABLE IZUS EDCO RREC TLYC D | KERC KHOF FZPR INCI PLES AYST ZESY SXEM MUZT BESX CURE ZVEN IFEN EMYK NOWX ALGO RITH MTHE ONET IMEX ADIS THEO RETI CAZL YUNB REAK ABLE IZUS EDCO RREC TLYC D | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | commercial_code | commercial_code | null | {} | hard | en | 125 | 125 | 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-v2-0037 | SCQCSGTNBTMFSCYARPXIRZNVL | SCQCSGTNBTMFSCYARPXIRZNVL | SICUT PATRIBUS SIT DEUS NOBIS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
chaocipher-008 | LNZTKGHWZTHI | LNZTKGHWZTHI | HOLD POSITION | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CHAOCIPHER"
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
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