id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0017506 | MAEWO LLACH EETKI NDIBE HYAZZ IEMOA SIDIB EHYAZ ZIEAK HADIB EHDZE HBETK INDIB EHWOL LACHE ECLAG IAIHA KHADI BEHTH ANZIE NODAI HGAHD ZEHTS AHAKH ATHAN ZIEWO LLACH EEDIB EHDIB EHYAZ ZIEAK HAAHJ AHWOL LACHE ETSAH | MAEWO LLACH EETKI NDIBE HYAZZ IEMOA SIDIB EHYAZ ZIEAK HADIB EHDZE HBETK INDIB EHWOL LACHE ECLAG IAIHA KHADI BEHTH ANZIE NODAI HGAHD ZEHTS AHAKH ATHAN ZIEWO LLACH EEDIB EHDIB EHYAZ ZIEAK HAAHJ AHWOL LACHE ETSAH | FAIL CLOSED IS A POSTURE NOT A SLOGAN | navajo_code | navajo_code | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
columnar-transposition-v2-1222 | UNOANPIESYSROLHPTEMCSCENOLEOETTDVFCHDCCDNVTEAEREWEENAARHOEHPTCURYCSNDHIAEERECTE | UNOANPIESYSROLHPTEMCSCENOLEOETTDVFCHDCCDNVTEAEREWEENAARHOEHPTCURYCSNDHIAEERECTE | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0017768 | 44 23 15 14 15 44 15 13 44 24 51 15 43 44 45 14 24 15 43 35 11 44 44 15 42 33 43 12 15 21 34 42 15 32 11 25 24 33 22 13 31 11 24 32 43 11 31 11 33 44 45 42 24 33 22 12 42 34 25 15 15 33 24 22 32 11 52 24 44 23 13 42 24 12 43 11 33 14 44 23 15 12 34 32 12 15 32 11 13 23 24 33 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14... | 44 23 15 14 15 44 15 13 44 24 51 15 43 44 45 14 24 15 43 35 11 44 44 15 42 33 43 12 15 21 34 42 15 32 11 25 24 33 22 13 31 11 24 32 43 11 31 11 33 44 45 42 24 33 22 12 42 34 25 15 15 33 24 22 32 11 52 24 44 23 13 42 24 12 43 11 33 14 44 23 15 12 34 32 12 15 32 11 13 23 24 33 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | polybius | polybius | null | {} | hard | en | 185 | 185 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
chinese-telegraph-v2-0286 | 4998 5060 5741 5645 5488 5060 5397 4361 5060 5488 4427 4298 4871 5060 5397 5645 4934 | 4998 5060 5741 5645 5488 5060 5397 4361 5060 5488 4427 4298 4871 5060 5397 5645 4934 | NOVUS ORDO SECLORUM | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 68 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0009912 | DPPRX HUUND CPAOT JITSM CJJTG SHFPF VDVAQ XXETR PTIKD XMNKK QRHPY ZLJXL BQOXQ GVDTW SBFNP ECCEU GFXNB LACEO URGEQ KLXLI OYCEO SGPEP OUOLV LUZGR ECMFH VNQPZ NTRRW NZPWW BPMQG RECMF HNEKI DYPTG IW | DPPRX HUUND CPAOT JITSM CJJTG SHFPF VDVAQ XXETR PTIKD XMNKK QRHPY ZLJXL BQOXQ GVDTW SBFNP ECCEU GFXNB LACEO URGEQ KLXLI OYCEO SGPEP OUOLV LUZGR ECMFH VNQPZ NTRRW NZPWW BPMQG RECMF HNEKI DYPTG IW | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | trithemius | trithemius | null | {} | hard | en | 162 | 162 | synthetic_educational | null | null | [] | |
double-transposition-237 | IRSTLDUEGOIEWSEEOLEERYBNTHSIDOTGENUAHEETNWRIEHOFTADTESRCUDFEEEONHRKEARETDHDRCEEEEHHAOTSTMTSRFITTTNAAHTITTRVLHBKCFRDUEOOOAEGAIOEDSISAAUAAFRAHTMCTSVRMEEATOHE | IRSTLDUEGOIEWSEEOLEERYBNTHSIDOTGENUAHEETNWRIEHOFTADTESRCUDFEEEONHRKEARETDHDRCEEEEHHAOTSTMTSRFITTTNAAHTITTRVLHBKCFRDUEOOOAEGAIOEDSISAAUAAFRAHTMCTSVRMEEATOHE | 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 | double_transposition | double_transposition | transposition | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 155 | 155 | cipher_museum | 0.2 | public | null | null |
porta-v2-0142 | XMCRAVCEXFCZPA | XMCRAVCEXFCZPA | COVER MY RETREAT | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0007145 | PFGU VJBP MFKY PESE HFVN WDXF JHTZ ODXY KYQW BPER OGSY SMLV JPNZ RFPW XTUS AQYF XQGW ENAM MMAX QNNJ PJ | PFGU VJBP MFKY PESE HFVN WDXF JHTZ ODXY KYQW BPER OGSY SMLV JPNZ RFPW XTUS AQYF XQGW ENAM MMAX QNNJ PJ | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | trithemius | trithemius | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [] | |
cda-0012422 | EYDC HEOO HMMG XNDP IALY SFMJ ZFKS ETAU VBML DXWE NJZJ EGVK KLRC LLQ | EYDC HEOO HMMG XNDP IALY SFMJ ZFKS ETAU VBML DXWE NJZJ EGVK KLRC LLQ | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | one_time_pad | one_time_pad | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
beaufort-v3-0660 | UWCMGYCJFSDRSAKHDG | UWCMGYCJFSDRSAKHDG | GRAVITY EXPLAINS ALL | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ANCHOR"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
morse-code-v3-0075 | - .... . / .--- --- ..- .-. -. . -.-- / --- ..-. / .- / - .... --- ..- ... .- -. -.. / -- .. .-.. . ... / -... . --. .. -. ... / .-- .. - .... / .- / ... .. -. --. .-.. . / ... - . .--. / .- ... / .-.. .- --- / - --.. ..- / .-- .-. --- - . / .-.. --- -. --. / .- --. --- / .. -. / -.-. .... .. -. .- | - .... . / .--- --- ..- .-. -. . -.-- / --- ..-. / .- / - .... --- ..- ... .- -. -.. / -- .. .-.. . ... / -... . --. .. -. ... / .-- .. - .... / .- / ... .. -. --. .-.. . / ... - . .--. / .- ... / .-.. .- --- / - --.. ..- / .-- .-. --- - . / .-.. --- -. --. / .- --. --- / .. -. / -.-. .... .. -. .- | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 208 | 299 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0257 | DGDFFFDGDGDAAFFXAGDFADXXFAAADGFAFGGGDGADXGGGXFADFDDAFAFDDAGAAFXAGFGFAFDDDAADXGAADAXDFFFDXFFADDFGADXADXDFFDDADAXDFGGAFGXFDDFXAAGAFGAGDAFFFAFAAGXAGXFADGDDFXGDGAGDFA | DGDFFFDGDGDAAFFXAGDFADXXFAAADGFAFGGGDGADXGGGXFADFDDAFAFDDAGAAFXAGFGFAFDDDAADXGAADAXDFFFDXFFADDFGADXADXDFFDDADAXDFGGAFGXFDDFXAAGAFGAGDAFFFAFAAGXAGXFADGDDFXGDGAGDFA | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 162 | 162 | cipher_museum | 2.0 | public | null | null |
cda-0002403 | OCUHVAGITN OGUQSCSV UHGZO YCEOSG FSSLPLNXNQ SFTGLWGWT WKYKYTKV GFT YMEOLX JSPA TAIBZNP AZRFHXPQE | OCUHVAGITN OGUQSCSV UHGZO YCEOSG FSSLPLNXNQ SFTGLWGWT WKYKYTKV GFT YMEOLX JSPA TAIBZNP AZRFHXPQE | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CAREFULLY | trithemius | trithemius | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
straddling-checkerboard-160 | 7406251282823824253453250200121250615227406251282850730967299052209 | 7406251282823824253453250200121250615227406251282850730967299052209 | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "EATONSIRE"
} | advanced | en | 67 | 67 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0572 | HPPHGIAQHOFYBHOSMHQOFHAKHAQOLRGGFAPXYLEHHPHGIYKFOFYHPPHMHAQHDFJHTFLJFPOHPSEK | HPPHGIAQHOFYBHOSMHQOFHAKHAQOLRGGFAPXYLEHHPHGIYKFOFYHPPHMHAQHDFJHTFLJFPOHPSEK | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0007387 | ESBA UQEH MKKX JLSA VMCJ IEJG OVEM TVUL DCTQ VFNI VBGY T | ESBA UQEH MKKX JLSA VMCJ IEJG OVEM TVUL DCTQ VFNI VBGY T | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | gronsfeld | gronsfeld | null | {
"key": "271828"
} | medium | en | 45 | 45 | synthetic_educational | null | null | [] | |
playfair-215 | LGWKTESEBIKZPAEZCMOGHRUGWKTDDUKNWVWKEUWUDGSEKMYDFKGYDKNZFZ | LGWKTESEBIKZPAEZCMOGHRUGWKTDDUKNWVWKEUWUDGSEKMYDFKGYDKNZFZ | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
affine-v2-0780 | OIN JLKKH ILCN NLAH | OIN JLKKH ILCN NLAH | THE WALLS HAVE EARS | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 16 | 19 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0179 | +LSULFCFDPFPTBIFHHXJAUHEGROSOWHFEJCNQLSQHNAXIGGAWDTPF+CDEASVTAHCCHJVEWDVHFG | +LSULFCFDPFPTBIFHHXJAUHEGROSOWHFEJCNQLSQHNAXIGGAWDTPF+CDEASVTAHCCHJVEWDVHFG | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0001980 | A TVUSSM JTJSX ZRSSI JLKIIC BTHDFPFI KXLYDOYOL OCQCQLCN YXL QEWGDP BKHS LSATRFH UMWKS NUPRDM OGHHX GU PXXPEG HWHVSM GJZBJ MEWGU | A TVUSSM JTJSX ZRSSI JLKIIC BTHDFPFI KXLYDOYOL OCQCQLCN YXL QEWGDP BKHS LSATRFH UMWKS NUPRDM OGHHX GU PXXPEG HWHVSM GJZBJ MEWGU | A STRONG CLAIM NEEDS STRONG EVIDENCE FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL NEVER | trithemius | trithemius | null | {} | hard | en | 108 | 108 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
fialka-v3-0204 | ZGFKSVUSELAIODMLFXYTEZXHHBYCWSQMFLLWCXDRJVRWSRICKXMZQSSEPRBUOAOAVRXSMDRXVDWHIQIMZNLVOKMRSAWFDUYFADEZZQXTXQJYVMRLFHNFNWDYGGZUOMQUHVNNEAXBZHUWBVCTPGLRQXOFBUZXMFYE | ZGFKSVUSELAIODMLFXYTEZXHHBYCWSQMFLLWCXDRJVRWSRICKXMZQSSEPRBUOAOAVRXSMDRXVDWHIQIMZNLVOKMRSAWFDUYFADEZZQXTXQJYVMRLFHNFNWDYGGZUOMQUHVNNEAXBZHUWBVCTPGLRQXOFBUZXMFYE | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0041 | YEE QGYQ HEUQQLVZ UZ XCQ HCEM CJQLX GYRL ACI GLYVM QGYQ QCEM | YEE QGYQ HEUQQLVZ UZ XCQ HCEM CJQLX GYRL ACI GLYVM QGYQ QCEM | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 49 | 60 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0132 | DZTFHC | DZTFHC | EUREKA | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
trifid-vg-0014 | GAEOHCWE+RXTRIHVGTEBQZARXX+RQFACLBHCDI+BMCWBXHHIIBQPBRIMWTOXWJMALXH | GAEOHCWE+RXTRIHVGTEBQZARXX+RQFACLBHCDI+BMCWBXHHIIBQPBRIMWTOXWJMALXH | HE GIVES STRENGTH TO THE WEARY AND INCREASES THE POWER OF THE WEAK WHO TRUST IN HIM | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FELIX"
} | advanced | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
cda-0021271 | BAABA AABBB AABAA ABAAB AAAAA BAAAB ABAAA BAAAB ABAAB ABAAA AABAA BABAB AAAAA ABABB ABAAA ABBAA AAAAA BAABA ABAAA ABBAB ABBAA AABAB ABAAA ABBAA AAABB BAAAB BAAAA AABAA ABBBA AABAA AAAAA BAABA AABAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABABB BAAAB ABAAA ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABA AABAA BABAB BA... | BAABA AABBB AABAA ABAAB AAAAA BAAAB ABAAA BAAAB ABAAB ABAAA AABAA BABAB AAAAA ABABB ABAAA ABBAA AAAAA BAABA ABAAA ABBAB ABBAA AABAB ABAAA ABBAA AAABB BAAAB BAAAA AABAA ABBBA AABAA AAAAA BAABA AABAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABABB BAAAB ABAAA ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABA AABAA BABAB BA... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | bacon_cipher | bacon_cipher | null | {} | hard | en | 925 | 925 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
hill-v2-0325 | YHECIABKTQBYHHBMFEVJCQTAOYHHBMFEBLZHPSLEZUBLVNFRFROOUUHHQKCADAJGJUNEWPOKMX | YHECIABKTQBYHHBMFEVJCQTAOYHHBMFEBLZHPSLEZUBLVNFRFROOUUHHQKCADAJGJUNEWPOKMX | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0011361 | PEOH BKOH TUII HSSS WREH AARR ERMA AIBT OETS SWEM OITN DLEO LBCS UNBL OHHT EDLT WSPA NPES TTTE ENOE HTFS | PEOH BKOH TUII HSSS WREH AARR ERMA AIBT OETS SWEM OITN DLEO LBCS UNBL OHHT EDLT WSPA NPES TTTE ENOE HTFS | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS | scytale | scytale | null | {
"cols": 4
} | hard | en | 84 | 84 | synthetic_educational | null | null | [] | |
cda-0019244 | turns heads enter above range could heavy intel turns enemy cover three upper right extra south holds outer under local depot mixed alert knife enter | turns heads enter above range could heavy intel turns enemy cover three upper right extra south holds outer under local depot mixed alert knife enter | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | 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-0012687 | 15.29.5 9.46.1 7.38.1 8.28.10 7.36.12 8.50.14 12.7.13 15.20.1 1.37.12 6.15.11 2.4.15 6.22.15 17.21.1 2.2.5 2.43.2 4.12.14 3.43.12 18.38.9 12.20.15 10.21.14 4.35.7 1.20.15 2.5.15 10.33.6 8.38.2 20.41.14 5.24.4 11.15.13 17.50.1 1.49.8 6.46.9 18.35.3 8.40.7 13.48.4 12.38.10 6.36.15 1.37.3 16.21.15 18.14.3 1.41.6 16.33.1 1... | 15.29.5 9.46.1 7.38.1 8.28.10 7.36.12 8.50.14 12.7.13 15.20.1 1.37.12 6.15.11 2.4.15 6.22.15 17.21.1 2.2.5 2.43.2 4.12.14 3.43.12 18.38.9 12.20.15 10.21.14 4.35.7 1.20.15 2.5.15 10.33.6 8.38.2 20.41.14 5.24.4 11.15.13 17.50.1 1.49.8 6.46.9 18.35.3 8.40.7 13.48.4 12.38.10 6.36.15 1.37.3 16.21.15 18.14.3 1.41.6 16.33.1 1... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | book_cipher | book_cipher | null | {} | hard | en | 142 | 142 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0004648 | A NQGIQ IHV LVLEFWUO GSMNZNKQ AUU KW GFT HTBY MQ JFDDX UTYNWO QGIGVHH YNL IUZSMOSI RP LALZA MMRIUKRRX GSEJID | A NQGIQ IHV LVLEFWUO GSMNZNKQ AUU KW GFT HTBY MQ JFDDX UTYNWO QGIGVHH YNL IUZSMOSI RP LALZA MMRIUKRRX GSEJID | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS ALWAYS | trithemius | trithemius | null | {} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0012322 | ⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w22⟩ ⟨w16⟩ ⟨w... | ⟨w08⟩ ⟨a01⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a11⟩ ⟨a19⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w20⟩ ⟨a07⟩ ⟨w32⟩ ⟨w26⟩ ⟨w04⟩ ⟨w08⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w14⟩ ⟨a19⟩ ⟨w32⟩ ⟨a11⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w22⟩ ⟨w16⟩ ⟨w... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | babington | babington | null | {} | hard | en | 195 | 195 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
geez-monastic-v2-0351 | WPMWJWIUWMZUMUIWMZWQQHXJIVYMUQWYZDQMZZVXMPPHGIJBJPMJYIJNJUNMQUVUWGQVGWYWG | WPMWJWIUWMZUMUIWMZWQQHXJIVYMUQWYZDQMZZVXMPPHGIJBJPMJYIJNJUNMQUVUWGQVGWYWG | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
vernam-v3-0058 | CICUKJUMBQOWUTVIRIAZUYAFLSOUJHZFRSMHYQPROIXIGWYODBQHXIWQHWKKJAKGQPOKQCAXLN | CICUKJUMBQOWUTVIRIAZUYAFLSOUJHZFRSMHYQPROIXIGWYODBQHXIWQHWKKJAKGQPOKQCAXLN | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0373 | WCUMQWYHYMTHJBVIWPMONMQJMYIMVCUFMJYMCCJIJMYILVCUFMZHXZJZUJYDCMAMQWPDVBMQYGMYULVHWQMIWPPMAHNVYUVAMPJXMQWUMVYWYMSIVYZUJUHUJVYCVQUFMHYJUMAZUWUMZVCWGMQJIW | WCUMQWYHYMTHJBVIWPMONMQJMYIMVCUFMJYMCCJIJMYILVCUFMZHXZJZUJYDCMAMQWPDVBMQYGMYULVHWQMIWPPMAHNVYUVAMPJXMQWUMVYWYMSIVYZUJUHUJVYCVQUFMHYJUMAZUWUMZVCWGMQJIW | 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 | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
scytale-258 | BNTRDGUAEEIXRFRANX | BNTRDGUAEEIXRFRANX | BURN AFTER READING | scytale | scytale | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
adfgx-073 | XDGFDFGGGGXGXGDADAFDGGGAAAGADF | XDGFDFGGGGXGXGDADAFDGGGAAAGADF | MEET AT THE OLD OAK | adfgx | adfgx | fractionation | {
"polybius": "CIPHER",
"columnar": "MUSEUM"
} | advanced | en | 30 | 30 | cipher_museum | 0.2 | public | null | null |
cda-0003554 | LJCFN PZYJPRLJZC AGQ BNULYALQE NYW OZRONDWGAEG UB IPRKAJ XCBAAFV | LJCFN PZYJPRLJZC AGQ BNULYALQE NYW OZRONDWGAEG UB IPRKAJ XCBAAFV | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | beaufort | beaufort | null | {
"key": "PATTERN"
} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
cda-0020209 | 9.2.2 2.2.3 14.2.8 11.5.6 1.1.1 20.5.4 15.2.7 12.5.2 15.1.3 16.5.2 9.5.7 19.2.3 15.5.4 9.1.5 10.1.5 8.4.10 10.2.2 8.1.9 12.3.10 14.2.9 16.2.3 8.3.10 16.5.5 8.1.9 9.1.1 16.5.2 2.1.10 9.4.5 8.6.4 13.6.5 4.6.9 20.2.1 4.6.6 3.2.8 4.3.6 19.2.8 1.5.9 20.1.3 12.4.3 4.4.2 16.4.5 2.6.5 20.2.5 2.5.3 3.5.4 | 9.2.2 2.2.3 14.2.8 11.5.6 1.1.1 20.5.4 15.2.7 12.5.2 15.1.3 16.5.2 9.5.7 19.2.3 15.5.4 9.1.5 10.1.5 8.4.10 10.2.2 8.1.9 12.3.10 14.2.9 16.2.3 8.3.10 16.5.5 8.1.9 9.1.1 16.5.2 2.1.10 9.4.5 8.6.4 13.6.5 4.6.9 20.2.1 4.6.6 3.2.8 4.3.6 19.2.8 1.5.9 20.1.3 12.4.3 4.4.2 16.4.5 2.6.5 20.2.5 2.5.3 3.5.4 | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | arnold_andre | arnold_andre | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0017203 | 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 50 61 68 59 61 82 76 59 57 52 57 59 82 68 77 69 11 82 57 52 68 29 52 57 68 61 61 50 76 43 65 68 66 66 82 80 29 61 20 59 66 50 66 52 68 29 68 57 61 69 20 82 89 80 69 29 25 68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57... | 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 50 61 68 59 61 82 76 59 57 52 57 59 82 68 77 69 11 82 57 52 68 29 52 57 68 61 61 50 76 43 65 68 66 66 82 80 29 61 20 59 66 50 66 52 68 29 68 57 61 69 20 82 89 80 69 29 25 68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ATBASH ENCODES BY REVERSING THE ALPHABET | wallis_cipher | wallis_cipher | null | {} | hard | en | 113 | 113 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
bacon-cipher-v3-0004 | BAABA AABBB AABAA ABABA AABAA AABBA ABAAA ABBAB ABBAA BAAAB BAAAB BAABA AAAAA ABBAA AAABB BAAAA AABAA AAAAA AAABB BABBB | BAABA AABBB AABAA ABABA AABAA AABBA ABAAA ABBAB ABBAA BAAAB BAAAB BAABA AAAAA ABBAA AAABB BAAAA AABAA AAAAA AAABB BABBB | THE LEGIONS STAND READY | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 100 | 119 | cipher_museum | 2.0 | public | null | null |
cda-0009431 | HVODR WKHLJLWQ BIIFLL LBJQIB RHPY DPQ XLIBYYUAU HJVHL XDCOYOH BPG XWONZJZS RESFKVFVCZO BVOOTG VMRVSM LSATRFH Q DGWYG YXL BLBUVMKE WICDPDAG QKK AM WVJ XJRO CG ZVTTN MWDCACM BURKNLZO RLBESVDMSZF QW K OUFHGYSMMCJJ | HVODR WKHLJLWQ BIIFLL LBJQIB RHPY DPQ XLIBYYUAU HJVHL XDCOYOH BPG XWONZJZS RESFKVFVCZO BVOOTG VMRVSM LSATRFH Q DGWYG YXL BLBUVMKE WICDPDAG QKK AM WVJ XJRO CG ZVTTN MWDCACM BURKNLZO RLBESVDMSZF QW K OUFHGYSMMCJJ | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | trithemius | trithemius | null | {} | hard | en | 179 | 179 | synthetic_educational | null | null | [] | |
m209-243 | JWZABXSYWCMQEOZXA | JWZABXSYWCMQEOZXA | THE EAGLE HAS LANDED | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
enigma-141 | PBCFEKCIJTQBFZPZAN | PBCFEKCIJTQBFZPZAN | THE BRIDGE IS SECURED | enigma | enigma | machine | {
"type": "rotor_start",
"value": "QWE"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0845 | TAPESEOHBHIPIFJIPPMMSMMSSHBKTPTTQFTHSZBPTESUAHQMRIVTLTXENSLYBVHSUMBMFAOHBGSBPHTG | TAPESEOHBHIPIFJIPPMMSMMSSHBKTPTTQFTHSZBPTESUAHQMRIVTLTXENSLYBVHSUMBMFAOHBGSBPHTG | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0379 | 85 55 76 33 23 103 38 70 55 24 63 59 77 34 26 94 28 79 45 27 97 46 47 66 65 76 58 67 35 63 87 29 47 44 57 66 25 70 42 24 75 37 49 34 27 85 25 66 66 26 97 46 47 66 53 64 68 68 62 34 73 67 67 54 35 84 67 59 44 24 63 26 80 66 44 76 58 47 62 36 97 47 76 45 65 85 49 70 66 44 64 59 68 66 56 84 28 86 56 27 74 38 58 35 53 76 2... | 85 55 76 33 23 103 38 70 55 24 63 59 77 34 26 94 28 79 45 27 97 46 47 66 65 76 58 67 35 63 87 29 47 44 57 66 25 70 42 24 75 37 49 34 27 85 25 66 66 26 97 46 47 66 53 64 68 68 62 34 73 67 67 54 35 84 67 59 44 24 63 26 80 66 44 76 58 47 62 36 97 47 76 45 65 85 49 70 66 44 64 59 68 66 56 84 28 86 56 27 74 38 58 35 53 76 2... | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 322 | 481 | cipher_museum | 2.0 | public | null | null |
cda-0015113 | SHUS HDZE HWOL LACH EENO DAIH MAEA KHAG AHTH ANZI ETKI NDIB EHTH ANZI ELIN DZEH GAHD ZEHM OASI TKIN CLAG IAIH GAHA KHAM OASI WOLL ACHE EDIB EHYA ZZIE AKHA MAEA KEHD IGLI NITK INAH JAHD ZEHT SAHD ZEHG AHDZ EHWO LLAC HEET SAHB EBED ZEHM OASI GAH | SHUS HDZE HWOL LACH EENO DAIH MAEA KHAG AHTH ANZI ETKI NDIB EHTH ANZI ELIN DZEH GAHD ZEHM OASI TKIN CLAG IAIH GAHA KHAM OASI WOLL ACHE EDIB EHYA ZZIE AKHA MAEA KEHD IGLI NITK INAH JAHD ZEHT SAHD ZEHG AHDZ EHWO LLAC HEET SAHB EBED ZEHM OASI GAH | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS FAIL CLOSED IS A POSTURE NOT A SLOGAN | navajo_code | navajo_code | null | {} | hard | en | 195 | 195 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
great-cipher-v2-0103 | 108 169 165 136 130 172 154 174 170 166 117 172 127 102 168 119 181 152 174 160 138 165 100 150 106 176 171 140 167 174 147 163 142 113 146 128 174 154 133 154 105 166 149 143 152 150 138 151 125 161 167 166 164 143 172 131 166 182 165 141 157 174 157 173 132 | 108 169 165 136 130 172 154 174 170 166 117 172 127 102 168 119 181 152 174 160 138 165 100 150 106 176 171 140 167 174 147 163 142 113 146 128 174 154 133 154 105 166 149 143 152 150 138 151 125 161 167 166 164 143 172 131 166 182 165 141 157 174 157 173 132 | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 195 | 259 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0283 | GPYTGTOTGTNT | GPYTGTOTGTNT | VENI VIDI VICI | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
slidex-078 | UDZRGONDBOMQAKRZ | UDZRGONDBOMQAKRZ | BURN AFTER READING | slidex | slidex | transposition | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0018741 | - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- . / ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. | - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..- . / ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. | THE INDEX OF COINCIDENCE IS A USEFUL CLUE FAIL CLOSED IS A POSTURE NOT A SLOGAN | morse_code | morse_code | null | {} | medium | en | 64 | 64 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
adfgx-v2-0623 | DAAFAGDDXXGGXGAAAAAFAAGFGGDGDDXDXFDDAFGADAFD | DAAFAGDDXXGGXGAAAAAFAAGFGGDGDDXDXFDDAFGADAFD | FLEET ASSEMBLES AT HARBOR | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 44 | 44 | cipher_museum | 2.0 | public | null | null |
hill-v2-0322 | QIZVCTJWPQDAANNRBXWOBKYHFVDNXYFRHRYHFVMOTQCRHDZSXNMODYXWDAAMJRKITYYFKWGB | QIZVCTJWPQDAANNRBXWOBKYHFVDNXYFRHRYHFVMOTQCRHDZSXNMODYXWDAAMJRKITYYFKWGB | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
rot13-it-007 | YN ZNGRZNGVPN R VY YVATHNTTVB VA PHV QVB UN FPEVGGB Y HAVIREFB | YN ZNGRZNGVPN R VY YVATHNTTVB VA PHV QVB UN FPEVGGB Y HAVIREFB | LA MATEMATICA E IL LINGUAGGIO IN CUI DIO HA SCRITTO L UNIVERSO | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | it | 51 | 62 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v2-0235 | GLZVECZHOFFZPSDPJSDQOSXOAUERBXDYTLHPWMHDNFGBCTNZDBISPYGQVJMBNOBWMFXVYOECTGGTBTVEJVDZWQZVTGJWERGCUEWYFGMHQVVQCHFIXIBZZPFSAFRPZIMONTHJMZZNWIMEKUOXSWFPABIELITYYENHBZZB | GLZVECZHOFFZPSDPJSDQOSXOAUERBXDYTLHPWMHDNFGBCTNZDBISPYGQVJMBNOBWMFXVYOECTGGTBTVEJVDZWQZVTGJWERGCUEWYFGMHQVVQCHFIXIBZZPFSAFRPZIMONTHJMZZNWIMEKUOXSWFPABIELITYYENHBZZB | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
kl7-227 | PZYUYRUUXLIWWZZQFCHCFUUZGUILPBKQEXQAKUDOAAFHBHBKX | PZYUYRUUXLIWWZZQFCHCFUUZGUILPBKQEXQAKUDOAAFHBHBKX | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | kl7 | kl7 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
scytale-v2-0040 | NTTHDICROHAOSROSRSRLFMUE | NTTHDICROHAOSROSRSRLFMUE | NORTH STAR HOLDS FIRM COURSE | scytale | scytale | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
wheatstone-v3-0030 | QTWTQYJIVYQHJSQNRKNRORIQTQYJI | QTWTQYJIVYQHJSQNRKNRORIQTQYJI | TAXATION WITHOUT REPRESENTATION | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
cda-0021786 | ABBA BAAA ABBA AABA ABAA BAAA ABAA BBAA AAAA AAAB ABAB AAAB AAAA BAAB AABB ABAA AAAA BBAA BAAA BBAA AAAB AAAB AAAA ABAA BBAB ABAB BAAB AABA AABA AAAB AABA AAAB ABAB BABB AAAA AABA AAAA BAAB BABA BBAA AABA BABA AAAA ABBA ABAA ABBA AAAA BAAA BAAA BAAA ABBA AAAA BBAA BAAB ABAB ABBA BAAB ABAA ABAA BBAB ABAA AABB AAAA ABAA ... | ABBA BAAA ABBA AABA ABAA BAAA ABAA BBAA AAAA AAAB ABAB AAAB AAAA BAAB AABB ABAA AAAA BBAA BAAA BBAA AAAB AAAB AAAA ABAA BBAB ABAB BAAB AABA AABA AAAB AABA AAAB ABAB BABB AAAA AABA AAAA BAAB BABA BBAA AABA BABA AAAA ABBA ABAA ABBA AAAA BAAA BAAA BAAA ABBA AAAA BBAA BAAB ABAB ABBA BAAB ABAA ABAA BBAB ABAA AABB AAAA ABAA ... | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | bacon_cipher | bacon_cipher | null | {} | hard | en | 875 | 875 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
kama-sutra-v2-0334 | EQKFT AQK UWYYKE GTLTLVTG EQT JWFE WGT UKYXTLYTX EK GTJTWE ZE WF JQZMKFKJQTG FWYEWNWYW KVFTGBTX | EQKFT AQK UWYYKE GTLTLVTG EQT JWFE WGT UKYXTLYTX EK GTJTWE ZE WF JQZMKFKJQTG FWYEWNWYW KVFTGBTX | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 81 | 95 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0441 | TJUBXXQIWAOABFZ | TJUBXXQIWAOABFZ | CHART THE UNKNOWN | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 11
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0065 | LGVPCKANAGOWLNPUUGPDLLLXQIPUVOLGIDLKCYUPJKQAVHMPAMEVEDXIQIANVPEMQIARGIRUXV | LGVPCKANAGOWLNPUUGPDLLLXQIPUVOLGIDLKCYUPJKQAVHMPAMEVEDXIQIANVPEMQIARGIRUXV | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0261 | ESPSLCMZCTDNWPLC | ESPSLCMZCTDNWPLC | THE HARBOR IS CLEAR | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0234 | AKKNFECCHLEKRRMZFF | AKKNFECCHLEKRRMZFF | TREASURE BURIED HERE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
porta-v3-0451 | EZYVAJUTXUTNM | EZYVAJUTXUTNM | THE APPLE FALLS | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "FLORENT"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0139 | IEGLMNUBFXBMVXOAMOFRKQWJF | IEGLMNUBFXBMVXOAMOFRKQWJF | SICUT PATRIBUS SIT DEUS NOBIS | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-054 | ELGOGTA2AGZ2QZMT62YYTABOZ7KPSFD5ACEQITKJVCTJD2KJS577FM2TMRILGI | ELGOGTA2AGZ2QZMT62YYTABOZ7KPSFD5ACEQITKJVCTJD2KJS577FM2TMRILGI | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "XMCKL"
} | expert | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
cda-0005180 | GUS OEQUVGRNGHES FUBHYR ZOXR ZNFHFR UOEQSE ZBNREA NAQELCGNBA WF ABG PEBXSA PL YNGGRE SESDHSAQL GUS SBHE FDHOER NWCUSE HFRF GJB XRLJBER CBYLPWHF FDHOENF | GUS OEQUVGRNGHES FUBHYR ZOXR ZNFHFR UOEQSE ZBNREA NAQELCGNBA WF ABG PEBXSA PL YNGGRE SESDHSAQL GUS SBHE FDHOER NWCUSE HFRF GJB XRLJBER CBYLPWHF FDHOENF | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | porta | porta | null | {
"key": "CIPHER"
} | hard | en | 129 | 129 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
slidex-v2-0128 | FWAIARTQFJJKIOHDJKOUJNPR | FWAIARTQFJJKIOHDJKOUJNPR | CARTHAGE MUST BE DESTROYED | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0310 | NTDNCMDNESEHOCTUBYWOVEFOWCYTBUEFHNAHSORLRIUFSOOSASIEMLSWMOVXNLAIOEAFEX | NTDNCMDNESEHOCTUBYWOVEFOWCYTBUEFHNAHSORLRIUFSOOSASIEMLSWMOVXNLAIOEAFEX | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | scytale | scytale | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-vi-0020 | BDOHARROSEBEGSTHEHOTETLLTSEWGTFHNRIIIDLASUNSIUFYEDOERENDTGSOWFWOEHORIRESHLLH | BDOHARROSEBEGSTHEHOTETLLTSEWGTFHNRIIIDLASUNSIUFYEDOERENDTGSOWFWOEHORIRESHLLH | BLESSED ARE THOSE WHO HUNGER AND THIRST FOR RIGHTEOUSNESS FOR THEY WILL BE FILLED WITH GOOD | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
navajo-code-v2-0040 | TSAH A-KHA DAH-NES-TSA THAN-ZIE CHA / KLESH A-WOH WOL-LA-CHEE GAH / LIN A-KHA AH-JAD BE DIBEH / MA-E TKIN GAH BE-TAS-TNI / MOASI A-KHA NO-DA-IH DAH-NES-TSA KLESH DZEH | TSAH A-KHA DAH-NES-TSA THAN-ZIE CHA / KLESH A-WOH WOL-LA-CHEE GAH / LIN A-KHA AH-JAD BE DIBEH / MA-E TKIN GAH BE-TAS-TNI / MOASI A-KHA NO-DA-IH DAH-NES-TSA KLESH DZEH | NORTH STAR HOLDS FIRM COURSE | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 139 | 182 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0067 | JOUIFCFHJOOJOHHPEDSFBUFEUIFIFBWFOBOEUIFFBSUIBOEEBSLOFTTXBTVQPOUIFGBDFPGEFFQ | JOUIFCFHJOOJOHHPEDSFBUFEUIFIFBWFOBOEUIFFBSUIBOEEBSLOFTTXBTVQPOUIFGBDFPGEFFQ | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11111"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0412 | YTTREONF GREM CAUCUXNV MJRM ZN XJUOFV RPM UEFI RPPUAVYEK MU MJRM TRSYT QI ZJYPJ ZN PRE RM MJN XRTN MYTN ZYFF MJRM YM XJUOFV QNPUTN R OEYDNAXRF FRZ MJYX PRMNKUAYPRF YTCNARMYDN VNLYENX TUARF VOMI | YTTREONF GREM CAUCUXNV MJRM ZN XJUOFV RPM UEFI RPPUAVYEK MU MJRM TRSYT QI ZJYPJ ZN PRE RM MJN XRTN MYTN ZYFF MJRM YM XJUOFV QNPUTN R OEYDNAXRF FRZ MJYX PRMNKUAYPRF YTCNARMYDN VNLYENX TUARF VOMI | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 160 | 193 | cipher_museum | 2.0 | public | null | null |
lorenz-203 | FORWARDMARCHNOW | FORWARDMARCHNOW | FORWARD MARCH NOW | lorenz | lorenz | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0365 | OFYEYDYCXTDFJXLIYITYITYJOPHYLYVOFMNYTYJGVOYILTUYITMNCTPOYHXCOFPEYFYVTEOWVOYCUMOTMJYYDGLSFYVOVOLGCCNUFNLHGGOETYLPVOMLTCIYSGVMGMYLNRFPLTEFPGMDYLHLYLVOYLTFYLCTNXRTYVOFCYNSR | OFYEYDYCXTDFJXLIYITYITYJOPHYLYVOFMNYTYJGVOYILTUYITMNCTPOYHXCOFPEYFYVTEOWVOYCUMOTMJYYDGLSFYVOVOLGCCNUFNLHGGOETYLPVOMLTCIYSGVMGMYLNRFPLTEFPGMDYLHLYLVOYLTFYLCTNXRTYVOFCYNSR | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
cda-0018234 | 63 48 33 58 3 33 79 49 33 78 2 70 64 34 22 63 3 26 52 32 35 66 67 93 96 66 68 92 4 1 25 60 22 58 66 15 58 23 11 48 27 3 87 88 60 94 22 80 2 43 49 43 80 59 23 53 27 4 49 15 2 68 59 76 99 46 59 70 62 11 34 22 63 23 2 25 22 52 68 34 93 57 58 2 40 43 93 70 21 66 63 17 48 34 68 48 53 91 94 59 39 30 21 93 63 94 23 34 14 50 2... | 63 48 33 58 3 33 79 49 33 78 2 70 64 34 22 63 3 26 52 32 35 66 67 93 96 66 68 92 4 1 25 60 22 58 66 15 58 23 11 48 27 3 87 88 60 94 22 80 2 43 49 43 80 59 23 53 27 4 49 15 2 68 59 76 99 46 59 70 62 11 34 22 63 23 2 25 22 52 68 34 93 57 58 2 40 43 93 70 21 66 63 17 48 34 68 48 53 91 94 59 39 30 21 93 63 94 23 34 14 50 2... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | homophonic | homophonic | null | {} | hard | en | 188 | 188 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
straddling-checkerboard-v2-0120 | 42512372322202913420287065212812952395292972389204853804252045236170652272983242045317058341842516175209428765620707065758292041287620291002024101281941222042035425167058342361717213428764251291002024102520731291203832420322612316457025760892028953917040 | 42512372322202913420287065212812952395292972389204853804252045236170652272983242045317058341842516175209428765620707065758292041287620291002024101281941222042035425167058342361717213428764251291002024102520731291203832420322612316457025760892028953917040 | 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 | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 254 | 254 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0833 | QTBOOQLBEPPEKR | QTBOOQLBEPPEKR | PRESS THE ATTACK | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0642 | XFFAXDFADDXDFGDDGFAAGADADDFXDGXFFAGAFGDGGXFGXGGDGADGDGXFAGGFAAFGAGFGDFAFGFGDXXGDFXDFXFXDDADXDDFGDFAAADDDGAFXGXDXGXAGXXAFAGAFAGFADAFGAGFAGXFAFF | XFFAXDFADDXDFGDDGFAAGADADDFXDGXFFAGAFGDGGXFGXGGDGADGDGXFAGGFAAFGAGFGDFAFGFGDXXGDFXDFXFXDDADXDDFGDFAAADDDGAFXGXDXGXAGXXAFAGAFAGFADAFGAGFAGXFAFF | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 142 | 142 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1815 | KZKBYDUWYIMRPSEVVIGGMHIKYEWHOVMHFTYXUBBQRPMPZYEXZMRVWQXZXELYPXUYFZGFWLIIMMUSLGK | KZKBYDUWYIMRPSEVVIGGMHIKYEWHOVMHFTYXUBBQRPMPZYEXZMRVWQXZXELYPXUYFZGFWLIIMMUSLGK | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
diana-v2-0211 | NYAMOWYQREPIPNAHMYLLAEHLKPTHNPCJPTLZNALPADFEAJPWUAPPNEAUNPNQUJHEKLYVSYOCYRAIEZLHJ | NYAMOWYQREPIPNAHMYLLAEHLKPTHNPCJPTLZNALPADFEAJPWUAPPNEAUNPNQUJHEKLYVSYOCYRAIEZLHJ | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0018110 | 45 63 48 81 50 26 32 3 35 48 25 45 76 96 43 82 39 30 76 86 66 99 52 23 63 48 99 64 23 15 60 79 22 3 59 61 59 35 82 68 59 76 81 | 45 63 48 81 50 26 32 3 35 48 25 45 76 96 43 82 39 30 76 86 66 99 52 23 63 48 99 64 23 15 60 79 22 3 59 61 59 35 82 68 59 76 81 | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | homophonic | homophonic | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
kryha-v2-0141 | YICQECDHUVTWXOCX | YICQECDHUVTWXOCX | ABORT AND WITHDRAW | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0020686 | 20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 25 80 69 29 61 76 82 57 11 59 61 82 61 68 11 50 25 50 66 61 82 72 59 82 29 52 82 68 61 66 36 82 80 82 65 82 68 66 50 29 25 55 82 43 | 20 80 59 66 82 76 69 80 52 82 89 69 80 55 61 69 29 57 43 89 36 82 29 66 36 82 55 82 43 61 65 68 52 82 50 61 61 77 68 57 57 25 80 69 29 61 76 82 57 11 59 61 82 61 68 11 50 25 50 66 61 82 72 59 82 29 52 82 68 61 66 36 82 80 82 65 82 68 66 50 29 25 55 82 43 | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | wallis_cipher | wallis_cipher | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
adfgx-011 | ADAGADFXXDGGFGFDAXXXADFFFA | ADAGADFXXDGGFGFDAXXXADFFFA | CHANGE OF PLANS | adfgx | adfgx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 26 | 26 | cipher_museum | 0.2 | public | null | null |
alberti-disk-145 | XPMRZIJLWPYAQKY | XPMRZIJLWPYAQKY | SILENCE IS GOLDEN | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 13
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
wheatstone-v2-0286 | KLVUQLPTLQAIHLPUJ | KLVUQLPTLQAIHLPUJ | NOVUS ORDO SECLORUM | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0360 | TZXDPOHNTAXNYMUSJKOK2NCDGEO5NC4BN7MO2SMQJJNAIJH46N4XDH7EDWXERICGXMRH4YXCKWHK7CVVMFJ7OVXQR47UZRAND7LUMJL4LWWASN7GTVEVHGBW7FMONYKCDAOO7N7JWVAYISW | TZXDPOHNTAXNYMUSJKOK2NCDGEO5NC4BN7MO2SMQJJNAIJH46N4XDH7EDWXERICGXMRH4YXCKWHK7CVVMFJ7OVXQR47UZRAND7LUMJL4LWWASN7GTVEVHGBW7FMONYKCDAOO7N7JWVAYISW | 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 | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
cda-0008936 | GUNLAITSRISACOOALENLXXITXTTDEIOPHMXXIELOOD | GUNLAITSRISACOOALENLXXITXTTDEIOPHMXXIELOOD | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | stager_route | stager_route | null | {
"cols": 6
} | medium | en | 42 | 42 | synthetic_educational | null | null | [] | |
solitaire-v2-0325 | OUELJHHIGXTWZIBATGHIUFGGBAYJQAFJRZEEQUPSTLYFRSMPHVLDPHETUQIJKDGZTOPOUKCFW | OUELJHHIGXTWZIBATGHIUFGGBAYJQAFJRZEEQUPSTLYFRSMPHVLDPHETUQIJKDGZTOPOUKCFW | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
m209-v2-0084 | URNFQCYYXGWLXPJLIVKAQQVICYFQWYNPJMJXUOYFQYGXKBPQFVKYQJKZNJMBWZUMJSLWUCLYSGFOMKVQZKI | URNFQCYYXGWLXPJLIVKAQQVICYFQWYNPJMJXUOYFQYGXKBPQFVKYQJKZNJMBWZUMJSLWUCLYSGFOMKVQZKI | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0191 | LFUBABHKSKSGAFPVUFAMRSHSFXTWMBKKRGALDVPMMFUTWLTQHJPARRDADUFUMPVWARKSGPVWABPAUKOVVRTUSGQVRTA | LFUBABHKSKSGAFPVUFAMRSHSFXTWMBKKRGALDVPMMFUTWLTQHJPARRDADUFUMPVWARKSGPVWABPAUKOVVRTUSGQVRTA | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 91 | 91 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0020 | EXTRACTIONPOINTCHANGED | EXTRACTIONPOINTCHANGED | EXTRACTION POINT CHANGED | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0533 | CPLIFBBSKNBABXWXCUJJM | CPLIFBBSKNBABXWXCUJJM | THE CASTLE IS SURROUNDED | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0020815 | 20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 | 20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
red-type-a-v2-0478 | RAQYWAYSXOOLIAWEDXIUQEMJOEVEGJOWSYNIHIMUDNEVMIUMARUKXIKEYPDAOMIETOZGO | RAQYWAYSXOOLIAWEDXIUQEMJOEVEGJOWSYNIHIMUDNEVMIUMARUKXIKEYPDAOMIETOZGO | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
rail-fence-fr-037 | AXRECTYNFREVSAALOSUAMSIOESOMZOBTILN | AXRECTYNFREVSAALOSUAMSIOESOMZOBTILN | AUX ARMES CITOYENS FORMEZ VOS BATAILLONS | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 2
} | intermediate | fr | 35 | 35 | cipher_museum | 0.2 | public | null | null |
m94-v2-0077 | QODUNIFWPIOXYUWXAHFMHKTLWCDLBPDGQGBCJLPTPXBVCGULKWJKWFKLFZVBFZIPQESIMRQNJKHLT | QODUNIFWPIOXYUWXAHFMHKTLWCDLBPDGQGBCJLPTPXBVCGULKWJKWFKLFZVBFZIPQESIMRQNJKHLT | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0066 | NZKUSTWQUUSIGAZLSSQZLHDRQZGUFRQIFOMENZFEMFGWYHCFZRHJQUDJZZVBPPLUBTDYFVSMUA | NZKUSTWQUUSIGAZLSSQZLHDRQZGUFRQIFOMENZFEMFGWYHCFZRHJQUDJZZVBPPLUBTDYFVSMUA | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
polybius-fr-015 | 31 11 51 24 13 44 34 24 42 15 15 43 44 11 33 34 45 43 43 24 33 34 45 43 43 11 51 34 33 43 31 11 35 42 15 33 14 42 15 | 31 11 51 24 13 44 34 24 42 15 15 43 44 11 33 34 45 43 43 24 33 34 45 43 43 11 51 34 33 43 31 11 35 42 15 33 14 42 15 | LA VICTOIRE EST A NOUS SI NOUS SAVONS LA PRENDRE | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | fr | 78 | 116 | cipher_museum | 0.2 | public | null | null |
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