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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
chinese-telegraph-v2-0064 | 1421 1255 1503 1346 1421 0538 0856 1421 0472 0285 0729 0918 1255 0219 1672 0538 1421 0472 0012 0729 0729 1421 0472 0538 0856 0285 0472 0285 0012 1255 1421 0012 0856 0219 0729 0285 0012 0856 0856 0918 1421 1503 0856 1421 0918 1421 0472 0538 0856 0285 0918 1672 0856 1503 0856 0219 0285 1255 1346 1421 0012 0856 0219 0538 ... | 1421 1255 1503 1346 1421 0538 0856 1421 0472 0285 0729 0918 1255 0219 1672 0538 1421 0472 0012 0729 0729 1421 0472 0538 0856 0285 0472 0285 0012 1255 1421 0012 0856 0219 0729 0285 0012 0856 0856 0918 1421 1503 0856 1421 0918 1421 0472 0538 0856 0285 0918 1672 0856 1503 0856 0219 0285 1255 1346 1421 0012 0856 0219 0538 ... | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 300 | 374 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0432 | IMCVCOMVMVKTKQXXVGCGENOEGOGJKJWZFNMXAUIRJOYJHTUSUWNBMXZTNGWMTLABYTCUTSQNNVY | IMCVCOMVMVKTKQXXVGCGENOEGOGJKJWZFNMXAUIRJOYJHTUSUWNBMXZTNGWMTLABYTCUTSQNNVY | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0020542 | 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61 66 36 82 69 29 82 66 50 77 82 65 68 11 50 61 66 36 82 69 80 82 66 50 52 68 57 57 43 59 29 20 80 82 68 55 68 20 57 82 50 76 59 61 82 11 52 69 80 80 82 52 66 57 43 68 57 68 29 66 59 80 50... | 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61 66 36 82 69 29 82 66 50 77 82 65 68 11 50 61 66 36 82 69 80 82 66 50 52 68 57 57 43 59 29 20 80 82 68 55 68 20 57 82 50 76 59 61 82 11 52 69 80 80 82 52 66 57 43 68 57 68 29 66 59 80 50... | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | wallis_cipher | wallis_cipher | null | {} | hard | en | 195 | 195 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
cda-0012624 | 34 76 32 91 23 35 93 63 17 48 34 50 3 33 1 62 82 24 58 59 52 66 15 2 63 58 33 43 87 3 59 67 23 62 57 22 45 40 23 68 34 59 87 63 2 68 91 48 3 81 | 34 76 32 91 23 35 93 63 17 48 34 50 3 33 1 62 82 24 58 59 52 66 15 2 63 58 33 43 87 3 59 67 23 62 57 22 45 40 23 68 34 59 87 63 2 68 91 48 3 81 | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | homophonic | homophonic | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
lorenz-173 | EVERYSECRETHASAKEEPERANDEVERYCODEHASABRECKERWHOSEEKSTHETRUTH | EVERYSECRETHASAKEEPERANDEVERYCODEHASABRECKERWHOSEEKSTHETRUTH | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | lorenz | lorenz | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0013446 | 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 | 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. |
cda-0007319 | PEGHR TCEQS JAFXE CAZM JVSA FVR YSL EDOQS VE GZOZY FVR DOVZ NRNQR QWCVSE IFVFSF FSKF WA O TVUTOU DOFHRDB UWGGAFVQOY QWCVSEE OES HROQUSFF NCG BFBFSNFWBN NOWZ NZCFSR VE O CAGGGFR NCG O GYAUON | PEGHR TCEQS JAFXE CAZM JVSA FVR YSL EDOQS VE GZOZY FVR DOVZ NRNQR QWCVSE IFVFSF FSKF WA O TVUTOU DOFHRDB UWGGAFVQOY QWCVSEE OES HROQUSFF NCG BFBFSNFWBN NOWZ NZCFSR VE O CAGGGFR NCG O GYAUON | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION FAIL CLOSED IS A POSTURE NOT A SLOGAN | porta | porta | null | {
"key": "KEY"
} | hard | en | 156 | 156 | synthetic_educational | null | null | [] | |
enigma-v2-0770 | TMPULZTWHLVCFU | TMPULZTWHLVCFU | PRESS THE ATTACK | enigma | enigma | machine | {
"type": "rotor_start",
"value": "STU"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0016421 | 06328 02532 1588 03768 02857 0719 5728 0396 05657 07942 05047 5659 1636 5976 1609 05699 06941 1666 6015 3484 04467 4805 07227 03817 1579 1260 2200 1573 01952 4736 05694 6340 02516 1632 1027 4723 04113 04153 6634 04429 02923 6353 07941 | 06328 02532 1588 03768 02857 0719 5728 0396 05657 07942 05047 5659 1636 5976 1609 05699 06941 1666 6015 3484 04467 4805 07227 03817 1579 1260 2200 1573 01952 4736 05694 6340 02516 1632 1027 4723 04113 04153 6634 04429 02923 6353 07941 | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | zimmermann | zimmermann | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
red-type-a-v2-0217 | MTOQUVMUNDAAWGOQEUNXULUIKBMCYHPEMJRMEHNNIPUUVZFYUWWFCIQNCPIOWFOIPPYVPEVRRIXETQUT | MTOQUVMUNDAAWGOQEUNXULUIKBMCYHPEMJRMEHNNIPUUVZFYUWWFCIQNCPIOWFOIPPYVPEVRRIXETQUT | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
typex-v2-0266 | OCHNHPZCUBEVJY | OCHNHPZCUBEVJY | PRESS THE ATTACK | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0022136 | ZHXBG ZOVRH ZILWF HVWYB HKZIG ZMHGL VMXIB KGNVH HZTVH GSVYV HGOVH HLMHH SLDDS VIVGS VNVGS LWUZR OH | ZHXBG ZOVRH ZILWF HVWYB HKZIG ZMHGL VMXIB KGNVH HZTVH GSVYV HGOVH HLMHH SLDDS VIVGS VNVGS LWUZR OH | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE BEST LESSONS SHOW WHERE THE METHOD FAILS | atbash | atbash | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
adfgx-v3-0270 | DDFDAGDFFADGGFDDDFFXDAADAAGFDAAXDDFFFGFAGAAAFGFDDAFDDDDADDGADDDFGDADAAFAFADDGFGDAGXDFAFXDFGDGDFFFFGAAFADAFAGADDFFFFADGDAXGAGFFAFDGDGAAADDFXDGDXGFADFGFDFDF | DDFDAGDFFADGGFDDDFFXDAADAAGFDAAXDDFFFGFAGAAAFGFDDAFDDDDADDGADDDFGDADAAFAFADDGFGDAGXDFAFXDFGDGDFFFFGAAFADAFAGADDFFFFADGDAXGAGFFAFDGDGAAADDFXDGDXGFADFGFDFDF | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0153 | BMMLANSIWWKZQEFRPRNTYPUXNERCWKGRHIXSRJCGZNKBKQDJGDSKPILDZEILUJYAYGIUTNF | BMMLANSIWWKZQEFRPRNTYPUXNERCWKGRHIXSRJCGZNKBKQDJGDSKPILDZEILUJYAYGIUTNF | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1800 | JGZCPRW MP BCYRF | JGZCPRW MP BCYRF | LIBERTY OR DEATH | caesar | caesar | substitution | {
"type": "shift",
"value": 24
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0020372 | 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43 65 66 50 69 29 55 82 80 52 55 36 69 76 76 61 65 80 50 29 52 50 65 57 82 61 68 43 61 66 36 82 61 43 61 66 82 77 77 59 61 66 20 82 61 82 52 59 80 82 82 95 82 29 50 76 82 29 82 77 43 55 29 69 89 61 68 57 25 69 80 50 66 36 77 66... | 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43 65 66 50 69 29 55 82 80 52 55 36 69 76 76 61 65 80 50 29 52 50 65 57 82 61 68 43 61 66 36 82 61 43 61 66 82 77 77 59 61 66 20 82 61 82 52 59 80 82 82 95 82 29 50 76 82 29 82 77 43 55 29 69 89 61 68 57 25 69 80 50 66 36 77 66... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | wallis_cipher | wallis_cipher | null | {} | hard | en | 204 | 204 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
double-transposition-v2-0391 | ETYCOSERUAHST | ETYCOSERUAHST | STAY THE COURSE | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0068 | PPTHETOSNTRLTCQCJDTOAQOSTTCQOKHSCPYBTTPHNJSNKPPTHETOSNTTLTCQSITVSSPOTGRBJKIP | PPTHETOSNTRLTCQCJDTOAQOSTTCQOKHSCPYBTTPHNJSNKPPTHETOSNTTLTCQSITVSSPOTGRBJKIP | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
caesar-297 | EP EO NWPDAN BKN QO PK XA DANA ZAZEYWPAZ PK PDA CNAWP PWOG NAIWEJEJC XABKNA QO PDWP BNKI PDAOA DKJKNAZ ZAWZ SA PWGA EJYNAWOAZ ZARKPEKJ PK PDWP YWQOA BKN SDEYD PDAU CWRA PDA HWOP BQHH IAWOQNA | EP EO NWPDAN BKN QO PK XA DANA ZAZEYWPAZ PK PDA CNAWP PWOG NAIWEJEJC XABKNA QO PDWP BNKI PDAOA DKJKNAZ ZAWZ SA PWGA EJYNAWOAZ ZARKPEKJ PK PDWP YWQOA BKN SDEYD PDAU CWRA PDA HWOP BQHH IAWOQNA | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | caesar | caesar | substitution | {
"type": "shift",
"value": 22
} | beginner | en | 155 | 190 | cipher_museum | 0.2 | public | null | null |
beaufort-v2-0359 | VPSRZYXJZMVOIHFZZKNAUIDGUDGUVDTBNJTZMYOLTSVPVPKMYHWEQPMYHVZEEHLNZQVRHDMQKUEYHSIIFJNASCIRYCLNAJEOSJAKIFYMSTZXRDLXIVTADNSTDTIGPZWQMRNYUWDTEOWVGDB | VPSRZYXJZMVOIHFZZKNAUIDGUDGUVDTBNJTZMYOLTSVPVPKMYHWEQPMYHVZEEHLNZQVRHDMQKUEYHSIIFJNASCIRYCLNAJEOSJAKIFYMSTZXRDLXIVTADNSTDTIGPZWQMRNYUWDTEOWVGDB | 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 | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ADMIRAL"
} | intermediate | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0572 | SZZCXMASDMPLNULZTNARLHQXOLLYXGHHCTIQRKPOTERQODHFCZHHWSRCPXNYYBWWNNXEIERKVHGN | SZZCXMASDMPLNULZTNARLHQXOLLYXGHHCTIQRKPOTERQODHFCZHHWSRCPXNYYBWWNNXEIERKVHGN | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | enigma | enigma | machine | {
"type": "rotor_start",
"value": "MNO"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0374 | VVLDATAGVEIJVHNOHDIOLBGCBGMEZCCOOQTSAABJYJRSSTBTRPDSUYJUKQHMSLOROCANCCMDBXFJVSWBGTFWXSEZXUFBDCYAQLPPZIXMUDBKTUKCLFAFNZTPTLBWDKMJCEYDNZYZVVTWMWHRDFIOEQN | VVLDATAGVEIJVHNOHDIOLBGCBGMEZCCOOQTSAABJYJRSSTBTRPDSUYJUKQHMSLOROCANCCMDBXFJVSWBGTFWXSEZXUFBDCYAQLPPZIXMUDBKTUKCLFAFNZTPTLBWDKMJCEYDNZYZVVTWMWHRDFIOEQN | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
trifid-074 | EBJRVLSQOO+IEWVT | EBJRVLSQOO+IEWVT | ALL IS LOST RETREAT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-166 | BLTP QSLPA MKE QAVAK YAMPQ MCL LTP BMRDAPQ UPLTCDR BLPRD RDFQ KMRFLK | BLTP QSLPA MKE QAVAK YAMPQ MCL LTP BMRDAPQ UPLTCDR BLPRD RDFQ KMRFLK | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | beginner | en | 57 | 68 | cipher_museum | 0.2 | public | null | null |
m209-v3-0373 | CKKTXDEMKTAPYRXCIDHCSXKWBCQZVIZDQPDBPLZZNMMOFZYYPKMTENDRYNABDMNWZLMUTRXPHKZL | CKKTXDEMKTAPYRXCIDHCSXKWBCQZVIZDQPDBPLZZNMMOFZYYPKMTENDRYNABDMNWZLMUTRXPHKZL | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0080 | EPCDXIJNSTQWJNSCTMUTIRVMGHCWWWFCKKCRVGBADBROGREAPTIFPRSARPCHAVTFDZIPPSUSIMDMCV | EPCDXIJNSTQWJNSCTMUTIRVMGHCWWWFCKKCRVGBADBROGREAPTIFPRSARPCHAVTFDZIPPSUSIMDMCV | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0003787 | GURS EVRQ ZNAG RFGH FRFG URVA QRKB SPBV APVQ RAPR GBRF GVZN GRXR LYRA TGUG URSB HEFD HNER PVCU REHF RFGJ BXRL JBEQ CBYL OVHF FDHN ERFF RPHE VGLP YNVZ FFUB HYQO RGRF GRQH AQRE FPEH GVAL CHOY VPVA SENF GEHP GHER QRFR EIRF PNER SHYQ RFVT A | GURS EVRQ ZNAG RFGH FRFG URVA QRKB SPBV APVQ RAPR GBRF GVZN GRXR LYRA TGUG URSB HEFD HNER PVCU REHF RFGJ BXRL JBEQ CBYL OVHF FDHN ERFF RPHE VGLP YNVZ FFUB HYQO RGRF GRQH AQRE FPEH GVAL CHOY VPVA SENF GEHP GHER QRFR EIRF PNER SHYQ RFVT A | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 189 | 189 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
adfgx-v2-0158 | AFAGGADADDAXDAAFAAADAAFGFXDDADAADDADFDFDFADAFAGAGDGDXFFADADXGDGGXDDADXADDAXFXAFGGDADFFDDXGDFAAAAFG | AFAGGADADDAXDAAFAAADAAFGFXDDADAADDADFDFDFADAFAGAGDGDXFFADADXGDGGXDDADXADDAXFXAFGGDADFFDDXGDFAAAAFG | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 98 | 98 | cipher_museum | 2.0 | public | null | null |
cda-0018759 | 5.17.11 1.26.6 5.22.14 13.10.1 3.39.13 15.46.1 7.28.6 1.26.10 10.30.9 17.29.8 4.46.5 3.26.12 16.14.5 13.34.3 12.8.2 9.3.3 4.11.6 5.49.7 6.28.2 9.10.13 8.45.6 1.38.11 10.49.11 2.49.1 13.39.1 7.45.5 17.43.15 6.46.8 7.46.11 5.5.3 15.31.4 20.30.13 5.27.10 2.19.13 5.35.13 19.6.1 12.27.8 12.30.7 13.36.2 14.29.3 17.42.3 7.3.4... | 5.17.11 1.26.6 5.22.14 13.10.1 3.39.13 15.46.1 7.28.6 1.26.10 10.30.9 17.29.8 4.46.5 3.26.12 16.14.5 13.34.3 12.8.2 9.3.3 4.11.6 5.49.7 6.28.2 9.10.13 8.45.6 1.38.11 10.49.11 2.49.1 13.39.1 7.45.5 17.43.15 6.46.8 7.46.11 5.5.3 15.31.4 20.30.13 5.27.10 2.19.13 5.35.13 19.6.1 12.27.8 12.30.7 13.36.2 14.29.3 17.42.3 7.3.4... | THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | book_cipher | book_cipher | null | {} | hard | en | 129 | 129 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
sigaba-062 | VMFYKSBDLN | VMFYKSBDLN | FLEE AT ONCE | sigaba | sigaba | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
cda-0021039 | AMON GTRA CKBO ARDA GAIN SHOR EHOU RSEX ACTN ORTH CARR YORD ERDE POTE XACT SEEK SBEL OWYI ELDR ADIO EARL YVER SEEX ACTR ADIO SWIF TINC URNO RTHG UIDE TROO P | AMON GTRA CKBO ARDA GAIN SHOR EHOU RSEX ACTN ORTH CARR YORD ERDE POTE XACT SEEK SBEL OWYI ELDR ADIO EARL YVER SEEX ACTR ADIO SWIF TINC URNO RTHG UIDE TROO P | ATBASH ENCODES BY REVERSING THE ALPHABET THE BEST LESSONS SHOW WHERE THE METHOD FAILS | 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. |
argenti-v2-0025 | 14 82 24 44 73 62 39 14 18 22 21 66 87 59 | 14 82 24 44 73 62 39 14 18 22 21 66 87 59 | TRUST BUT VERIFY | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0009 | 63 27 78 66 28 57 66 46 88 79 27 27 36 55 56 86 | 63 27 78 66 28 57 66 46 88 79 27 27 36 55 56 86 | RENDER UNTO CAESAR | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 32 | 47 | cipher_museum | 2.0 | public | null | null |
trifid-218 | TQEHBWPQSRIRSXASJISDBUKNM+QPGLCQOLEQHFHIRMJZS | TQEHBWPQSRIRSXASJISDBUKNM+QPGLCQOLEQHFHIRMJZS | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | trifid | trifid | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
cda-0016087 | 20 23 15 19 17 21 1 18 5 3 9 16 8 5 18 5 14 3 18 25 16 20 19 4 9 7 18 1 16 8 19 23 9 20 8 20 23 15 16 15 12 25 2 9 21 19 1 12 16 8 1 2 5 20 19 2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 5 14 20 18 15 16 25 13 5 1 19 21 18 5 19 21 14 3 5 18 20 1 9 14 20 25... | 20 23 15 19 17 21 1 18 5 3 9 16 8 5 18 5 14 3 18 25 16 20 19 4 9 7 18 1 16 8 19 23 9 20 8 20 23 15 16 15 12 25 2 9 21 19 1 12 16 8 1 2 5 20 19 2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 5 14 20 18 15 16 25 13 5 1 19 21 18 5 19 21 14 3 5 18 20 1 9 14 20 25... | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cardano-autokey-123 | LALIEGRPLHSDLNQHH | LALIEGRPLHSDLNQHH | THE EAGLE HAS LANDED | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
cda-0009892 | TODUUTPEEFTSOIEIHFESEUHARETOLNNCECNESTECTREUSDTAIOCFUIRHOERRAEVTNIEUBOSLANOCLPEIDNILSNMEDTPELEROECSCTCATILETONINXIALIIPTFENOWDFX | TODUUTPEEFTSOIEIHFESEUHARETOLNNCECNESTECTREUSDTAIOCFUIRHOERRAEVTNIEUBOSLANOCLPEIDNILSNMEDTPELEROECSCTCATILETONINXIALIIPTFENOWDFX | THE INDEX OF COINCIDENCE IS A USEFUL CLUE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | scytale | scytale | null | {
"cols": 8
} | hard | en | 128 | 128 | synthetic_educational | null | null | [] | |
hill-032 | ZUXKXWSRLPHEYVKOHVZVWQICHIIJKWMSEYLDSMIMHBEYDT | ZUXKXWSRLPHEYVKOHVZVWQICHIIJKWMSEYLDSMIMHBEYDT | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
lorenz-027 | THETRAPISSET | THETRAPISSET | THE TRAP IS SET | lorenz | lorenz | machine | {
"type": "seed",
"value": "LORENZ"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
purple-v2-0030 | CXICEXTCOUSDQYUNFAN | CXICEXTCOUSDQYUNFAN | WISDOM GUARDS THE GATE | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
vic-v2-0059 | 3809004228183820911869108058046080904867380900422818382091186910802486783868282891928679048678386910808183802790 | 3809004228183820911869108058046080904867380900422818382091186910802486783868282891928679048678386910808183802790 | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 112 | 112 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0135 | 37 82 83 18 28 67 60 17 56 41 75 84 26 20 63 67 | 37 82 83 18 28 67 60 17 56 41 75 84 26 20 63 67 | THE HARBOR IS CLEAR | argenti | argenti | nomenclator | {
"type": "seed",
"value": "PAPAL"
} | expert | en | 32 | 47 | cipher_museum | 2.0 | public | null | null |
cda-0020274 | 858 822 813 999 802 861 859 844 832 812 872 999 808 826 845 823 812 853 999 813 871 858 814 840 810 855 999 857 823 812 999 831 812 872 999 867 825 858 822 999 858 823 813 999 845 835 802 826 841 859 813 870 858 999 826 859 855 814 833 816 999 | 858 822 813 999 802 861 859 844 832 812 872 999 808 826 845 823 812 853 999 813 871 858 814 840 810 855 999 857 823 812 999 831 812 872 999 867 825 858 822 999 858 823 813 999 845 835 802 826 841 859 813 870 858 999 826 859 855 814 833 816 999 | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | culper_ring | culper_ring | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
kryha-v2-0071 | TYETJPJQJLMZPIEDYSHJDAMBZGUGQRZIBTARDZGBERJNLGYRSDIODJMXXFRYVLS | TYETJPJQJLMZPIEDYSHJDAMBZGUGQRZIBTARDZGBERJNLGYRSDIODJMXXFRYVLS | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
cda-0005760 | MMYM JCBN GGKA BZGG KCPH DMPI HHEW PCYC WHUQ COXX YNCW YYLG AHDM PWXN XHBN BQHN BGEW SHYN KJHK IACY NMNA CIXG LCLH XMRM PPAM GWCX HLYR MWYH HAYS GSAE WSXN ZWJJ LLVE CXSJ UYYA WTXN LKRW PCHW TWFP BIHI USAP HYUP IWUI | MMYM JCBN GGKA BZGG KCPH DMPI HHEW PCYC WHUQ COXX YNCW YYLG AHDM PWXN XHBN BQHN BGEW SHYN KJHK IACY NMNA CIXG LCLH XMRM PPAM GWCX HLYR MWYH HAYS GSAE WSXN ZWJJ LLVE CXSJ UYYA WTXN LKRW PCHW TWFP BIHI USAP HYUP IWUI | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | beaufort | beaufort | null | {
"key": "PALACE"
} | hard | en | 172 | 172 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
bifid-v2-0235 | AILEYOBSCDPU | AILEYOBSCDPU | THE DIE IS CAST | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0345 | EPGXTGCXCOML+OZTLSTYQIDEHFNGAYIRHVFYPSCPPSCGCPRBUNFYJCLIDKKGBLRDPYHYWULYKHOCJRUVWO | EPGXTGCXCOML+OZTLSTYQIDEHFNGAYIRHVFYPSCPPSCGCPRBUNFYJCLIDKKGBLRDPYHYWULYKHOCJRUVWO | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
enigma-v2-1198 | FPLGSQBCQWKRHFCGXPTXFYOOBLVNMTQSGYENSJYESKZWIANZTKZXRPQLMKMWHGPKCJZZIWZLJLW | FPLGSQBCQWKRHFCGXPTXFYOOBLVNMTQSGYENSJYESKZWIANZTKZXRPQLMKMWHGPKCJZZIWZLJLW | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ZZA"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0142 | FNOMVREPVPYEIT | FNOMVREPVPYEIT | TRUST BUT VERIFY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0096 | SIICJUXYCYZBKZIPUNVKJJZKQYVNCQQQPOMIXNBODLWTMNTSMTDXCDVEYRKGZPIOJRZFRDMGYYTOUXSADO | SIICJUXYCYZBKZIPUNVKJJZKQYVNCQQQPOMIXNBODLWTMNTSMTDXCDVEYRKGZPIOJRZFRDMGYYTOUXSADO | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0279 | YTAEKY FWA EQT WJJMT SWMM WYX ZYECZETX EQT FWLT SKGUT EQWE QKMXF EQT JMWYTEF ZY EQTZG JWEQF | YTAEKY FWA EQT WJJMT SWMM WYX ZYECZETX EQT FWLT SKGUT EQWE QKMXF EQT JMWYTEF ZY EQTZG JWEQF | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 75 | 91 | cipher_museum | 2.0 | public | null | null |
jn25-087 | 37191 37189 37186 37191 37199 37182 37197 37180 37190 37190 37186 37191 | 37191 37189 37186 37191 37199 37182 37197 37180 37190 37190 37186 37191 | THE TRAP IS SET | jn25 | jn25 | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 60 | 71 | cipher_museum | 0.2 | public | null | null |
vigenere-v2-1439 | ZNPAPAOCQVNRPDFMTPRDJVTBXOOHOIYGPHKTSMIIBCLJRGRJVRNCZBWDRXSUOHPTLGLDWXCTTBX | ZNPAPAOCQVNRPDFMTPRDJVTBXOOHOIYGPHKTSMIIBCLJRGRJVRNCZBWDRXSUOHPTLGLDWXCTTBX | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0062 | VAJNHODXKWADXDLDRAZTXUFRNGPVLQKUFSYVQXNZIGISSLPZFWVBQJUXUGKUHADKURIMTPORW | VAJNHODXKWADXDLDRAZTXUFRNGPVLQKUFSYVQXNZIGISSLPZFWVBQJUXUGKUHADKURIMTPORW | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0349 | YRHYSLSYHAZICRERHND | YRHYSLSYHAZICRERHND | THE TELESCOPE REVEALS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0016056 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨a23⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w34⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a03⟩ ⟨w32⟩ ⟨w26⟩ ⟨a03⟩ ⟨w08⟩ ⟨w26⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a07⟩ ⟨a... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨a23⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w34⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a37⟩ ⟨a25⟩ ⟨w32⟩ ⟨a07⟩ ⟨w08⟩ ⟨a03⟩ ⟨w32⟩ ⟨w26⟩ ⟨a03⟩ ⟨w08⟩ ⟨w26⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a07⟩ ⟨a... | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | babington | babington | null | {} | hard | en | 196 | 196 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
chinese-telegraph-015 | 0918 1024 0285 1255 0012 1421 0538 0918 0856 0074 0285 0408 0538 0856 1346 | 0918 1024 0285 1255 0012 1421 0538 0918 0856 0074 0285 0408 0538 0856 1346 | OPERATION BEGINS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 60 | 74 | cipher_museum | 0.2 | public | null | null |
double-transposition-v2-0562 | IEBHROHYNLESMVMFOLNDOLFTROAEUSTNOUWDEWETFSEFBSNANSCISCVYUAOWAIMCOHEO | IEBHROHYNLESMVMFOLNDOLFTROAEUSTNOUWDEWETFSEFBSNANSCISCVYUAOWAIMCOHEO | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0214 | 101 140 178 100 174 176 156 141 118 131 125 152 121 114 | 101 140 178 100 174 176 156 141 118 131 125 152 121 114 | THE GATES HOLD FIRM | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 42 | 55 | cipher_museum | 2.0 | public | null | null |
cda-0015524 | 811 842 861 803 833 814 999 857 853 801 840 855 847 842 856 825 857 825 842 841 999 801 846 847 834 825 812 855 999 808 842 835 862 836 840 802 851 999 813 840 808 851 874 846 857 824 844 841 999 858 868 824 808 813 999 | 811 842 861 803 833 814 999 857 853 801 840 855 847 842 856 825 857 825 842 841 999 801 846 847 834 825 812 855 999 808 842 835 862 836 840 802 851 999 813 840 808 851 874 846 857 824 844 841 999 858 868 824 808 813 999 | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | culper_ring | culper_ring | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
vernam-011 | ZTCXRUDTHIMPC | ZTCXRUDTHIMPC | CHANGE OF PLANS | vernam | vernam | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
cda-0019833 | -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. . .- -.. ... / -.-. --- .-.. ..- -- -. ... / .. -. / -.- . -.-- / --- .-. -.. . .-. / - .-- --- / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / -.. .. --. .-. .- .--. .... ... / .-- .. - .... / - .-- -... | -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. . .- -.. ... / -.-. --- .-.. ..- -- -. ... / .. -. / -.- . -.-- / --- .-. -.. . .-. / - .-- --- / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / -.. .. --. .-. .- .--. .... ... / .-- .. - .... / - .-- -... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | morse_code | morse_code | null | {} | hard | en | 176 | 176 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0014638 | . . ... .. ... .... . .... . ..... ... . . ... . . ... ... . ... ... . . . .... ... .... ... .. .... .. . ..... .... ... ..... . . .... .... .... .... . ..... .... .. ... ... .... ... . .. .... ..... .... .... .. .... .... .... . ... . . ... ... . . ... . .... ... ... .... . .. . .... | . . ... .. ... .... . .... . ..... ... . . ... . . ... ... . ... ... . . . .... ... .... ... .. .... .. . ..... .... ... ..... . . .... .... .... .... . ..... .... .. ... ... .... ... . .. .... ..... .... .... .. .... .... .... . ... . . ... ... . . ... . .... ... ... .... . .. . .... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | tap_code | tap_code | null | {} | hard | en | 87 | 87 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
cda-0015895 | PEERR EVIEW ANDRE PRODU CIBIX ITYMA TTERI NRESX ARCHE VERYS YSTEX NEEDS ANHON ESTTH REATZ ODELZ | PEERR EVIEW ANDRE PRODU CIBIX ITYMA TTERI NRESX ARCHE VERYS YSTEX NEEDS ANHON ESTTH REATZ ODELZ | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | commercial_code | commercial_code | null | {} | hard | en | 80 | 80 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
lorenz-138 | CRYPTOGRAPHYRULES | CRYPTOGRAPHYRULES | CRYPTOGRAPHY RULES | lorenz | lorenz | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
four-square-v2-0222 | XAPCFRKMREQLURQRKKMEXAPCBBIPCTUCGTLHGVCTTBYTHIBUQBKSDEQAAANDOBKDCAZFSSQSHTROPCIUYCCSMFSTPSOTTYENKSFCALATCSDEXISAZRIPEGKSGDALRTKUDEFEQCHLOXMTKEPX | XAPCFRKMREQLURQRKKMEXAPCBBIPCTUCGTLHGVCTTBYTHIBUQBKSDEQAAANDOBKDCAZFSSQSHTROPCIUYCCSMFSTPSOTTYENKSFCALATCSDEXISAZRIPEGKSGDALRTKUDEFEQCHLOXMTKEPX | 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 | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0163 | 84 48 37 35 37 87 47 72 38 55 37 60 56 56 64 38 35 67 58 54 59 64 68 28 38 48 53 46 54 30 56 59 39 55 57 54 56 36 56 46 75 49 46 56 37 49 39 95 77 82 26 39 59 60 56 46 42 38 59 59 78 56 49 52 | 84 48 37 35 37 87 47 72 38 55 37 60 56 56 64 38 35 67 58 54 59 64 68 28 38 48 53 46 54 30 56 59 39 55 57 54 56 36 56 46 75 49 46 56 37 49 39 95 77 82 26 39 59 60 56 46 42 38 59 59 78 56 49 52 | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 128 | 191 | cipher_museum | 2.0 | public | null | null |
cda-0008641 | PFGU VJBP MFKY PESE HFVN WDXF JHTZ ODXY KYQW BPER OGSY WGNM KMWL EBUX VJYB VLOC FNWC JPAG UYEP RQIC WWMT THVJ PQUA SRYG ZXLV LMJH ETCO MSKH ZOEY OGWD DKGX UXDI CSTF T | PFGU VJBP MFKY PESE HFVN WDXF JHTZ ODXY KYQW BPER OGSY WGNM KMWL EBUX VJYB VLOC FNWC JPAG UYEP RQIC WWMT THVJ PQUA SRYG ZXLV LMJH ETCO MSKH ZOEY OGWD DKGX UXDI CSTF T | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | trithemius | trithemius | null | {} | hard | en | 133 | 133 | synthetic_educational | null | null | [] | |
stager-route-v2-0422 | CNETVHBEHTYOWTHERUTTVEIARMIAAONSLREDSSDITCEEAEBDIEANDXXETTFEMOHNAXXTESRA | CNETVHBEHTYOWTHERUTTVEIARMIAAONSLREDSSDITCEEAEBDIEANDXXETTFEMOHNAXXTESRA | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | stager_route | stager_route | transposition | {
"type": "integer",
"value": 12
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-037 | GPPTBJQUUEAQBVIHQBFURJWSESTJRPAJBUDAKQABNVJRSFNVI | GPPTBJQUUEAQBVIHQBFURJWSESTJRPAJBUDAKQABNVJRSFNVI | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "ROUNDTABLE"
} | advanced | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
cda-0018022 | WOL-LA-CHEE / DIBEH-YAZZIE / WOL-LA-CHEE / TSAH / THAN-ZIE / NO-DA-IH / GAH / TKIN / TSAH / AH-JAH / SHUSH / GAH / A-KHA / KLIZZIE / DZEH / DZEH / TSAH / TKIN / AH-JAH / NA-AS-TSO-SI / WOL-LA-CHEE / GLOE-IH / TKIN / THAN-ZIE /... | WOL-LA-CHEE / DIBEH-YAZZIE / WOL-LA-CHEE / TSAH / THAN-ZIE / NO-DA-IH / GAH / TKIN / TSAH / AH-JAH / SHUSH / GAH / A-KHA / KLIZZIE / DZEH / DZEH / TSAH / TKIN / AH-JAH / NA-AS-TSO-SI / WOL-LA-CHEE / GLOE-IH / TKIN / THAN-ZIE /... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | 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. |
trifid-v3-0386 | ENKRMEGCOZ+X+VJBAJIUGBHCVAFFPZENKRM+YVOHKLG+GUCFPVCHHFVURSFUOEXDMJHGCGPO | ENKRMEGCOZ+X+VJBAJIUGBHCVAFFPZENKRM+YVOHKLG+GUCFPVCHHFVURSFUOEXDMJHGCGPO | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0017 | SZYTBXOYOKEZSPBGMHYM | SZYTBXOYOKEZSPBGMHYM | THE KING DEMANDS FEALTY | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0303 | AWKPXZOKNTSWEDDERAGFCCYYPYZMPZHKEHBWIHCCPJJWYVWUQPTVQBDSQTHWXNVODMJMPUACFWQRHBXBHRSQONFRGOIMBLXDCUAMZUINNNCBLMGKWIEHDJGNQPOHSZYZHMGKYRHBRFWRWXNXFXSSHFHTNGIJOFPLPVYPVYRSJBY | AWKPXZOKNTSWEDDERAGFCCYYPYZMPZHKEHBWIHCCPJJWYVWUQPTVQBDSQTHWXNVODMJMPUACFWQRHBXBHRSQONFRGOIMBLXDCUAMZUINNNCBLMGKWIEHDJGNQPOHSZYZHMGKYRHBRFWRWXNXFXSSHFHTNGIJOFPLPVYPVYRSJBY | 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 | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 171 | 171 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0338 | DFGFAFAFADDGFDVDGADFADAADGFDDDFAADXD | DFGFAFAFADDGFDVDGADFADAADGFDDDFAADXD | TREASURE BURIED HERE | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 36 | 36 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0423 | AICIYLASLIMRXEDYTXIWZOGXCHOANVWRRLEWWPYAQRAVARMLJPWTKODYOQOF | AICIYLASLIMRXEDYTXIWZOGXCHOANVWRRLEWWPYAQRAVARMLJPWTKODYOQOF | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0011 | 57 18 22 45 16 82 66 57 52 21 16 14 72 57 36 25 88 51 16 | 57 18 22 45 16 82 66 57 52 21 16 14 72 57 36 25 88 51 16 | AVE MARIA GRATIA PLENA | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
cda-0002369 | QJUI KTUY VSHV IKHI TUKH UIRA CRUS CDHD CUHW LEQV OWAE JLWU PAWT REAQ IUKH UAKT HAWU SCDQ JIKB IKO | QJUI KTUY VSHV IKHI TUKH UIRA CRUS CDHD CUHW LEQV OWAE JLWU PAWT REAQ IUKH UAKT HAWU SCDQ JIKB IKO | THE INDEX OF COINCIDENCE IS A USEFUL CLUE CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | monoalphabetic | monoalphabetic | null | {
"alphabet": "AFHTUSOJIXBDGKVEZWRQCMPYLN"
} | medium | en | 79 | 79 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
cda-0019411 | TROOP HOUSE ENEMY BELOW INNER FIRST INNER DRAFT COVER INCUR PARTS HOLDS EIGHT RANGE CROSS OUTER MIXED BOARD INCUR NORTH EIGHT SOUTH ABOVE PARTS OUTER | TROOP HOUSE ENEMY BELOW INNER FIRST INNER DRAFT COVER INCUR PARTS HOLDS EIGHT RANGE CROSS OUTER MIXED BOARD INCUR NORTH EIGHT SOUTH ABOVE PARTS OUTER | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER NEVER | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0015144 | .- - -... .- ... .... / . -. -.-. --- -.. . ... / -... -.-- / .-. . ...- . .-. ... .. -. --. / - .... . / .- .-.. .--. .... .- -... . - / .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. .. -... . -.. / --. . --- -- . - .-. .. -.-. / .--. .- - - .... | .- - -... .- ... .... / . -. -.-. --- -.. . ... / -... -.-- / .-. . ...- . .-. ... .. -. --. / - .... . / .- .-.. .--. .... .- -... . - / .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. .. -... . -.. / --. . --- -- . - .-. .. -.-. / .--. .- - - .... | ATBASH ENCODES BY REVERSING THE ALPHABET ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | morse_code | morse_code | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
typex-v3-0363 | EPUQBETFRCKNMLDXSYYCDUWLRBURRVUOTNDTXGMQVMEHAGABNBSIEFSURHRYCIVNIHPEYPVL | EPUQBETFRCKNMLDXSYYCDUWLRBURRVUOTNDTXGMQVMEHAGABNBSIEFSURHRYCIVNIHPEYPVL | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0002114 | TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU JLPQ IPXQOC GFSH BZFXUM WIEDBSC WS JTJZHZE NYCRAJ GY FZPQCQS | TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU JLPQ IPXQOC GFSH BZFXUM WIEDBSC WS JTJZHZE NYCRAJ GY FZPQCQS | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | trithemius | trithemius | null | {} | hard | en | 105 | 105 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
rail-fence-v3-0431 | THESIEGESBNEIG | THESIEGESBNEIG | THE SIEGE BEGINS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0728 | LRDPVAMUUEOHLATAEEVERSPUOILENUREIEJOSMBIGTPSNLTUULMRBULLUILPSREEEEIEENRELTTSSS | LRDPVAMUUEOHLATAEEVERSPUOILENUREIEJOSMBIGTPSNLTUULMRBULLUILPSREEEEIEENRELTTSSS | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | scytale | scytale | transposition | {
"type": "integer",
"value": 13
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0276 | WWASDFHXWERHKMUD | WWASDFHXWERHKMUD | THE WALLS HAVE EARS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0119 | TCASESBEENEYSDSHFRSBTBSWEAORRVDVNIRRRPAFOTSEEOYIAIEOHDNHEOEMIUNEACTHOHOTCHYPYTWTHOODWAFRESCGHPTATUTRIRIRTGTFWTMCTEKMYTEAEPANNSNEELESOOOLOENAEHSTESSDYNITEAYDMVATTLEEKOHYBCILAES | TCASESBEENEYSDSHFRSBTBSWEAORRVDVNIRRRPAFOTSEEOYIAIEOHDNHEOEMIUNEACTHOHOTCHYPYTWTHOODWAFRESCGHPTATUTRIRIRTGTFWTMCTEKMYTEAEPANNSNEELESOOOLOENAEHSTESSDYNITEAYDMVATTLEEKOHYBCILAES | 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 | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 7
} | intermediate | en | 175 | 175 | cipher_museum | 2.0 | public | null | null |
typex-v2-0374 | APTXHJDCEEXIVMBRLCGAGJYOSFGDEUUXBXNVUKMNJQBJQFBOBKRFHJTDEINDSYRVAGTLMGBOGHTHBFIIKVYHLPUXKSIMLECRQHQIOHJKDLVJFGVWHFYZGTMUOBDEPHANNFDZVUIJOZNHABSSYJIFSTQ | APTXHJDCEEXIVMBRLCGAGJYOSFGDEUUXBXNVUKMNJQBJQFBOBKRFHJTDEINDSYRVAGTLMGBOGHTHBFIIKVYHLPUXKSIMLECRQHQIOHJKDLVJFGVWHFYZGTMUOBDEPHANNFDZVUIJOZNHABSSYJIFSTQ | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
cda-0013282 | OPENS OURCE TOOLS ALLOX INDEP ENDEX TVERI FICAT IONTX EMESX AGEWA SHIDD ENBUX NOTSZ CUREX | OPENS OURCE TOOLS ALLOX INDEP ENDEX TVERI FICAT IONTX EMESX AGEWA SHIDD ENBUX NOTSZ CUREX | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE MESSAGE WAS HIDDEN BUT NOT SECURE | commercial_code | commercial_code | null | {} | medium | en | 75 | 75 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
hill-011 | BNNNEGFBAHNNTV | BNNNEGFBAHNNTV | CHANGE OF PLANS | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 14 | 14 | cipher_museum | 0.2 | public | null | null |
gronsfeld-330 | SCOPDBVGEBO | SCOPDBVGEBO | RALLY AT DAWN | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "12345"
} | intermediate | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
nomenclator-008 | 08 15 12 04 16 15 19 09 20 09 15 14 | 08 15 12 04 16 15 19 09 20 09 15 14 | HOLD POSITION | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 24 | 35 | cipher_museum | 0.2 | public | null | null |
cda-0005408 | LSRTIABDURTOOWTAEPDOYBOCEAANEIEOKELOENATTTSEEISXRUOORTSPNEXILMTRPULMNCNECLRLXMSAUMDIXOHXNDROSKHOSOIHCAGTNPTPNUAARSSTDNIILITABLIROINO | LSRTIABDURTOOWTAEPDOYBOCEAANEIEOKELOENATTTSEEISXRUOORTSPNEXILMTRPULMNCNECLRLXMSAUMDIXOHXNDROSKHOSOIHCAGTNPTPNUAARSSTDNIILITABLIROINO | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "DRAGON"
} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
cda-0013774 | .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. .. -... . -.. / --. . --- -- . - .-. .. -.-. / .--. .- - - . .-. -. | .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. .. -... . -.. / --. . --- -- . - .-. .. -.-. / .--. .- - - . .-. -. | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | morse_code | morse_code | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
monoalphabetic-v3-0022 | CEPC KEM TEJJ MN TPJES | CEPC KEM TEJJ MN TPJES | DEAD MEN TELL NO TALES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PALACE"
} | beginner | en | 18 | 22 | cipher_museum | 2.0 | public | null | null |
vic-v2-0149 | 486591881791899109184 | 486591881791899109184 | E PLURIBUS UNUM | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0498 | MHTIAGSSSHPFPIEOAONEEHFXUITCERLPEHFEMNANYOEFTTMADLTNMUYHCIOIRONCETNEETAPRHMTANMIEVDOEYOITRECEEENIMMPSRNTTATOOIDAECAEETREYNRNGLASSERIECCXTNROGGNRTLCOLPFEOLAPTAATOOQSUEANBESSUPATLAAHD | MHTIAGSSSHPFPIEOAONEEHFXUITCERLPEHFEMNANYOEFTTMADLTNMUYHCIOIRONCETNEETAPRHMTANMIEVDOEYOITRECEEENIMMPSRNTTATOOIDAECAEETREYNRNGLASSERIECCXTNROGGNRTLCOLPFEOLAPTAATOOQSUEANBESSUPATLAAHD | 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 | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0442 | LKIFXENESWECEHSIESSEZGLENPSWTFGEJDWPSGBBXQNEZLAWAIKWYFFWSEWPAYOAGUVRWLWHSRG | LKIFXENESWECEHSIESSEZGLENPSWTFGEJDWPSGBBXQNEZLAWAIKWYFFWSEWPAYOAGUVRWLWHSRG | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0018216 | ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / .- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -... | ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / .- / - .-. .- -. ... .--. .- .-. . -. - / - --- --- .-.. / ... .... --- ..- .-.. -.. / ... .... --- .-- / .. - ... / .-. . .- ... --- -... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | morse_code | morse_code | null | {} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0002622 | SEVR QZNA RFGV ZNGR QXRL YRAT GUSE BZFG NGVF GVPF PBYH ZANE GENA FCBF VGVB AERN QFPB YHZA FVAX RLBE QRE | SEVR QZNA RFGV ZNGR QXRL YRAT GUSE BZFG NGVF GVPF PBYH ZANE GENA FCBF VGVB AERN QFPB YHZA FVAX RLBE QRE | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
argenti-040 | 50 83 46 54 66 10 73 44 30 62 41 68 85 14 69 54 32 53 83 40 51 41 32 45 66 29 64 21 83 46 54 40 10 73 14 32 65 83 28 45 34 48 28 32 29 42 83 48 | 50 83 46 54 66 10 73 44 30 62 41 68 85 14 69 54 32 53 83 40 51 41 32 45 66 29 64 21 83 46 54 40 10 73 14 32 65 83 28 45 34 48 28 32 29 42 83 48 | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ARGENTI"
} | expert | en | 96 | 143 | cipher_museum | 0.2 | public | null | null |
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