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-0012806 | ⌐ X r ⌒· K ⌐ └ L Γ· X ⌐ ┌· ┘· Γ X· X L Γ ¬ ⌒· X ┐· ⌐ ┌· K ⌐ ─ X K ┘· L ─ r ┌· ⌒· ┐· K ┌ L X X ⌐ ¬· L X | ⌐ X r ⌒· K ⌐ └ L Γ· X ⌐ ┌· ┘· Γ X· X L Γ ¬ ⌒· X ┐· ⌐ ┌· K ⌐ ─ X K ┘· L ─ r ┌· ⌒· ┐· K ┌ L X X ⌐ ¬· L X | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | pigpen | pigpen | null | {} | easy | en | 20 | 20 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
vigenere-490 | OPKTNGBEBMOWQICMQMXIQ | OPKTNGBEBMOWQICMQMXIQ | THE PACKAGE IS DELIVERED | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VIGENERE"
} | intermediate | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0020501 | 36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 | 36 50 61 66 69 80 50 52 68 57 52 50 65 36 82 80 61 68 80 82 66 82 68 52 36 82 80 61 29 69 66 65 80 69 66 82 52 66 50 69 29 | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | wallis_cipher | wallis_cipher | null | {} | medium | en | 41 | 41 | 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-v3-0101 | AAGAFFFXFFDFFXDDGAAFGADGADAADXDX | AAGAFFFXFFDFFXDDGAAFGADGADAADXDX | THE GATES HOLD FIRM | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 32 | 32 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-de-072 | TONGUMITTS | TONGUMITTS | GOTT MIT UNS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | de | 10 | 10 | cipher_museum | 0.2 | public | null | null |
playfair-v3-0308 | AFRLRCYQCYPDLRYQGROF | AFRLRCYQCYPDLRYQGROF | THE REDCOATS ARE COMING | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0013605 | L ┌· ┌· ┘· ┌· r ┘· ┌· ┌· L r K Γ· ┘· ─ ⌐ ─ Γ Γ L K L r K Γ· ┘· ─ ⌐ ┌· L ⌐· X· ─ Γ ⌐ ┌ L ─ K ⌐ └ K ┘· X L r X· ┌· L X ⌒· X K L ┌ X ⌐ K ┌· ⌐ ─ X ┐· ⌐ ┌· L ─ K K ┘· ┘· └ X r· ┘· X· └ Γ X r· ┘· ⌒ Γ· K X ┌· L ⌐ X ┘· ─ Γ· ─ ¬· K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ... | L ┌· ┌· ┘· ┌· r ┘· ┌· ┌· L r K Γ· ┘· ─ ⌐ ─ Γ Γ L K L r K Γ· ┘· ─ ⌐ ┌· L ⌐· X· ─ Γ ⌐ ┌ L ─ K ⌐ └ K ┘· X L r X· ┌· L X ⌒· X K L ┌ X ⌐ K ┌· ⌐ ─ X ┐· ⌐ ┌· L ─ K K ┘· ┘· └ X r· ┘· X· └ Γ X r· ┘· ⌒ Γ· K X ┌· L ⌐ X ┘· ─ Γ· ─ ¬· K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ... | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | pigpen | pigpen | null | {} | medium | en | 59 | 59 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0017961 | RNDBWCCKCPKSZQYAQXGDFHIHZNBNNWDYOFJGMYLEZMBHOWFLBKVIWQLHQMKVOSYQMDDIVTIYXBLUGZZPQ | RNDBWCCKCPKSZQYAQXGDFHIHZNBNNWDYOFJGMYLEZMBHOWFLBKVIWQLHQMKVOSYQMDDIVTIYXBLUGZZPQ | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | vernam | vernam | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
fialka-v2-0204 | ASXKHVHDRFLROBCFRUZYZXRHWBVZHUYTOIOZZKZWDMVOWKVGBLTTMZWIQSPDUHNYSHJAAUEXVTENY | ASXKHVHDRFLROBCFRUZYZXRHWBVZHUYTOIOZZKZWDMVOWKVGBLTTMZWIQSPDUHNYSHJAAUEXVTENY | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0006077 | CXEPXERFNURROPCEELABDOACOFYAELDEXRIXGRTNIIVTSSTFHEITSE | CXEPXERFNURROPCEELABDOACOFYAELDEXRIXGRTNIIVTSSTFHEITSE | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "DRAGON"
} | medium | en | 54 | 54 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
cda-0019503 | 04125 4723 1286 1630 5684 4457 01575 4424 1033 05652 7927 05115 6379 02906 4764 04440 2851 06022 04411 4794 06345 0686 5746 4710 3514 1600 4452 0683 07929 03842 1610 06301 06336 1572 5673 1905 5704 01581 05368 6625 1663 4401 00975 07888 | 04125 4723 1286 1630 5684 4457 01575 4424 1033 05652 7927 05115 6379 02906 4764 04440 2851 06022 04411 4794 06345 0686 5746 4710 3514 1600 4452 0683 07929 03842 1610 06301 06336 1572 5673 1905 5704 01581 05368 6625 1663 4401 00975 07888 | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | zimmermann | zimmermann | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0014001 | GRQRRUVZCDUCJWJGFEJOJOJUEZNMTYKAWUMBMTFBNDVYMQBGRAURYEEURALEBUEZKHGZFSDLNOTSU | GRQRRUVZCDUCJWJGFEJOJOJUEZNMTYKAWUMBMTFBNDVYMQBGRAURYEEURALEBUEZKHGZFSDLNOTSU | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | vernam | vernam | null | {} | medium | en | 77 | 77 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0014918 | EJQGR MNHKZ RXGHK VLVDW KPKDX LNHVN FCITX GOHNJ QQPRO IGFNV UDFES JGCAU BUIFH KQHMH BTNMT FAZAN VNKCP LFRUZ NJVBO KYUQI | EJQGR MNHKZ RXGHK VLVDW KPKDX LNHVN FCITX GOHNJ QQPRO IGFNV UDFES JGCAU BUIFH KQHMH BTNMT FAZAN VNKCP LFRUZ NJVBO KYUQI | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | one_time_pad | one_time_pad | null | {} | hard | en | 100 | 100 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
caesar-de-063 | RVAVTXRVG HAQ ERPUG HAQ SERVURVG | RVAVTXRVG HAQ ERPUG HAQ SERVURVG | EINIGKEIT UND RECHT UND FREIHEIT | caesar | caesar | substitution | {
"type": "shift",
"value": 13
} | beginner | de | 28 | 32 | cipher_museum | 0.2 | public | null | null |
great-cipher-v2-0048 | 118 141 108 178 133 170 141 174 172 166 130 167 154 102 171 169 104 152 169 113 156 143 129 109 106 150 119 177 163 141 154 175 172 156 143 175 163 145 167 172 157 166 107 131 152 146 171 127 142 161 150 166 154 171 178 | 118 141 108 178 133 170 141 174 172 166 130 167 154 102 171 169 104 152 169 113 156 143 129 109 106 150 119 177 163 141 154 175 172 156 143 175 163 145 167 172 157 166 107 131 152 146 171 127 142 161 150 166 154 171 178 | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 165 | 219 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0104 | 08 05 01 04 17 21 01 18 20 05 18 19 03 15 14 06 09 18 13 19 20 08 01 20 60 09 14 20 05 12 12 09 07 05 14 03 05 18 05 16 15 18 20 09 19 01 03 03 21 18 01 20 05 61 18 05 17 21 09 18 05 19 09 13 13 05 04 09 01 20 05 19 23 09 06 20 01 03 20 09 15 14 | 08 05 01 04 17 21 01 18 20 05 18 19 03 15 14 06 09 18 13 19 20 08 01 20 60 09 14 20 05 12 12 09 07 05 14 03 05 18 05 16 15 18 20 09 19 01 03 03 21 18 01 20 05 61 18 05 17 21 09 18 05 19 09 13 13 05 04 09 01 20 05 19 23 09 06 20 01 03 20 09 15 14 | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 164 | 245 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0069 | S7 V4 K0 R1 X7 X2 C1 R7 Y0 G7 S3 T1 D2 P6 R5 T4 O4 O2 T0 S0 B8 Z1 I3 M5 C0 B6 Q1 K4 B6 X2 S7 D0 Q8 C9 C2 O8 Q8 M5 S0 A5 K6 B8 O0 O2 M5 M8 A3 K7 I3 C3 C8 C9 C2 Q7 A5 O0 I3 B8 G9 X7 J9 A1 D2 Y6 C8 C3 O1 Q6 Q7 M8 I1 K3 N2 N7 T0 O8 | S7 V4 K0 R1 X7 X2 C1 R7 Y0 G7 S3 T1 D2 P6 R5 T4 O4 O2 T0 S0 B8 Z1 I3 M5 C0 B6 Q1 K4 B6 X2 S7 D0 Q8 C9 C2 O8 Q8 M5 S0 A5 K6 B8 O0 O2 M5 M8 A3 K7 I3 C3 C8 C9 C2 Q7 A5 O0 I3 B8 G9 X7 J9 A1 D2 Y6 C8 C3 O1 Q6 Q7 M8 I1 K3 N2 N7 T0 O8 | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 152 | 227 | cipher_museum | 2.0 | public | null | null |
running-key-v2-0007 | XWAESNTMRRVDMO | XWAESNTMRRVDMO | SIGNAL FIRES LIT | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0002638 | HAUOWSTEOAUTDUMAPLLNPSILDUBANLTSRNXXGEHSEREOHOASX | HAUOWSTEOAUTDUMAPLLNPSILDUBANLTSRNXXGEHSEREOHOASX | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | stager_route | stager_route | null | {
"cols": 7
} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
sigaba-v2-0045 | GXOVZZRZHYICAULPTBPHHVZDVZVFTEKRIPLEGNFQJHKSDTBOGEAGMOGCMWES | GXOVZZRZHYICAULPTBPHHVZDVZVFTEKRIPLEGNFQJHKSDTBOGEAGMOGCMWES | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0329 | DAXADAXGAGFXAGDGDFXADFDXXDAFXFFDFGGGFFFADDAFDDFXADFFGXFDFAGAGDDXDDDDXAXFFFGXAFGGFAFGAAAAFGDDFDFADGDDDFGADGDDGFFAFAGADDADGADFDDAXADFFAGAFGAAAAADGDADFAXFAFGDDGDDAFFFA | DAXADAXGAGFXAGDGDFXADFDXXDAFXFFDFGGGFFFADDAFDDFXADFFGXFDFAGAGDDXDDDDXAXFFFGXAFGGFAFGAAAAFGDDFDFADGDDDFGADGDDGFFAFAGADDADGADFDDAXADFFAGAFGAAAAADGDADFAXFAFGDDGDDAFFFA | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0015659 | 60 88 22 67 66 46 93 64 87 49 63 88 33 3 21 45 4 67 93 70 48 43 2 63 26 39 41 67 59 14 50 43 36 14 27 34 22 86 66 91 88 25 3 1 81 50 63 26 50 59 60 66 76 81 | 60 88 22 67 66 46 93 64 87 49 63 88 33 3 21 45 4 67 93 70 48 43 2 63 26 39 41 67 59 14 50 43 36 14 27 34 22 86 66 91 88 25 3 1 81 50 63 26 50 59 60 66 76 81 | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | homophonic | homophonic | null | {} | medium | en | 54 | 54 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0011893 | BAABA AABBB AABAA ABABA ABAAA AAAAB BAAAA AAAAA BAAAA BABBA ABBBA BAAAA AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB ABAAB ABBAA ABBAB BABAA ABABA AABAA AAABB AABBA AABAA AABAB ABBAB BAAAA BAABA AABBB AABAA AAABA ABBAB ABABB ABABB BAABB ABBAA ABAAA BAABA BABBA BAABA AABBB AABAA AAAAB AABAA BAAAB BAABA ABABA AABAA BAAAB BA... | BAABA AABBB AABAA ABABA ABAAA AAAAB BAAAA AAAAA BAAAA BABBA ABBBA BAAAA AABAA BAAAB AABAA BAAAA BAABB AABAA BAAAB ABAAB ABBAA ABBAB BABAA ABABA AABAA AAABB AABBA AABAA AABAB ABBAB BAAAA BAABA AABBB AABAA AAABA ABBAB ABABB ABABB BAABB ABBAA ABAAA BAABA BABBA BAABA AABBB AABAA AAAAB AABAA BAAAB BAABA ABABA AABAA BAAAB BA... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE BEST LESSONS SHOW WHERE THE METHOD FAILS | bacon_cipher | bacon_cipher | null | {} | hard | en | 400 | 400 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
kryptos-v3-0052 | JNKICDERMPCHLPKHDRQUEWDYJAVWNREOLLMBFYFOVAHCBPFJJIHSJTDWXIEBEKLLAXGRMEFDL | JNKICDERMPCHLPKHDRQUEWDYJAVWNREOLLMBFYFOVAHCBPFJJIHSJTDWXIEBEKLLAXGRMEFDL | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
sigaba-191 | AFNFAMSKUHCJM | AFNFAMSKUHCJM | CHANGE OF PLANS | sigaba | sigaba | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
cda-0006162 | BYWVL QKMIN RRYZI LRBGL GXSWO CVGNI EBXPU NKXWV IETLE SDVTU QBFVP CXVQE GHGWH OZGXS GCPZO XGFPQ VXJYV STC | BYWVL QKMIN RRYZI LRBGL GXSWO CVGNI EBXPU NKXWV IETLE SDVTU QBFVP CXVQE GHGWH OZGXS GCPZO XGFPQ VXJYV STC | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | autokey | autokey | null | {
"primer": "MUSEUM"
} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
arnold-andre-v2-0017 | 13.1.1 14.1.3 14.3.5 14.1.4 14.1.5 14.1.4 15.1.1 4.2.4 13.1.1 14.2.1 14.3.5 14.3.2 14.3.2 14.3.5 14.5.3 14.4.4 15.1.1 | 13.1.1 14.1.3 14.3.5 14.1.4 14.1.5 14.1.4 15.1.1 4.2.4 13.1.1 14.2.1 14.3.5 14.3.2 14.3.2 14.3.5 14.5.3 14.4.4 15.1.1 | CODED MESSAGE FOLLOWS | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 101 | 117 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-042 | RUBFZLHTMEFAICPDWGDFOHYMJXFODMVFHVGQJHYZEFHZXZVQKNCOXBGJLESBDZIK | RUBFZLHTMEFAICPDWGDFOHYMJXFODMVFHVGQJHYZEFHZXZVQKNCOXBGJLESBDZIK | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
adfgvx-v2-0354 | FFFDDGDAFGFGADVGDAVFXDDADFAAAAFFFFXAADFDVADAADAADDGAAFADFFADDFAFXDAAXAVDVDXDVGGFDGXGAADFADFFADAFFFDGAFXDVDFAVAXAVAXAAGXAAAADXAXVADFAAGGGGVAXDGAXFFAF | FFFDDGDAFGFGADVGDAVFXDDADFAAAAFFFFXAADFDVADAADAADDGAAFADFFADDFAFXDAAXAVDVDXDVGGFDGXGAADFADFFADAFFFDGAFXDVDFAVAXAVAXAAGXAAAADXAXVADFAAGGGGVAXDGAXFFAF | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
playfair-fr-019 | ZKVUDONXGWMZWUDOQZQLGKMZGQQLNULGHBMU | ZKVUDONXGWMZWUDOQZQLGKMZGQQLNULGHBMU | TOUT CE QUI EST EXCESSIF EST INSIGNIFIANT | playfair | playfair | substitution | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | fr | 36 | 36 | cipher_museum | 0.2 | public | null | null |
playfair-v2-0770 | PQKNNKFPHNRPDHMIFRWEFHIROXIRENZQABOVNLFWFKLFHOGPNDOZNKFPHNRPDHFHHKICDFMNCIQOQBOZ | PQKNNKFPHNRPDHMIFRWEFHIROXIRENZQABOVNLFWFKLFHOGPNDOZNKFPHNRPDHFHHKICDFMNCIQOQBOZ | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
typex-v3-0319 | ZZSEVJNOUIMVMM | ZZSEVJNOUIMVMM | MARCH TO VICTORY | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0273 | NVLEXKGPMPI | NVLEXKGPMPI | KNOW THYSELF | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
alberti-disk-233 | COGBHGTBONLNNFVAICURCXRXYDYNPCTJDZGGBSXPFWPLCPLFQEXLIUKOUBUM | COGBHGTBONLNNFVAICURCXRXYDYNPCTJDZGGBSXPFWPLCPLFQEXLIUKOUBUM | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 19
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0009354 | FDEWOPORXACSFUURLTEFSEULOXYGRXTXPXGXIYTADEEHHPNREKCHRNUNLICIIEIAECCINTDNIDNEAAENCASC | FDEWOPORXACSFUURLTEFSEULOXYGRXTXPXGXIYTADEEHHPNREKCHRNUNLICIIEIAECCINTDNIDNEAAENCASC | THE INDEX OF COINCIDENCE IS A USEFUL CLUE CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "PATTERN"
} | hard | en | 84 | 84 | synthetic_educational | null | null | [] | |
nihilist-008 | 67 67 89 58 68 96 47 39 99 48 67 75 | 67 67 89 58 68 96 47 39 99 48 67 75 | HOLD POSITION | nihilist | nihilist | fractionation | {
"polybius": "RUSSIAN",
"keyword": "KEY"
} | advanced | en | 24 | 35 | cipher_museum | 0.2 | public | null | null |
caesar-v3-0480 | OMVMZIT XIBBWV TML BPM BPQZL IZUG QV I LIZQVO AEMMX IKZWAA NZIVKM NWTTWEQVO BPM JZMISWCB | OMVMZIT XIBBWV TML BPM BPQZL IZUG QV I LIZQVO AEMMX IKZWAA NZIVKM NWTTWEQVO BPM JZMISWCB | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | caesar | caesar | substitution | {
"type": "shift",
"value": 8
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0143 | GTVMMWFSYZKDIAZLK | GTVMMWFSYZKDIAZLK | KEEP YOUR POWDER DRY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0466 | SKHCSADRBAOEHIMNDRETOLONDBROBEVNHEIRSEDRNTSAFTNYERWQNEMOWRHHLHABBOGLHHPANQPUDSNNKEPNHEWQTDGHDXEAIYGXSAFTXGLLOIXRZQBEANTDRULYDBNEARSKONCDLLDLBSOLMOLTFQSX | SKHCSADRBAOEHIMNDRETOLONDBROBEVNHEIRSEDRNTSAFTNYERWQNEMOWRHHLHABBOGLHHPANQPUDSNNKEPNHEWQTDGHDXEAIYGXSAFTXGLLOIXRZQBEANTDRULYDBNEARSKONCDLLDLBSOLMOLTFQSX | 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 | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-125 | IVIOZZPMRQIDPTA | IVIOZZPMRQIDPTA | OPERATION BEGINS | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "5,3,6,1,4,2"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
kl7-162 | VQFWQTUGDGSKBMVYBCZTENGEZPBVVJVHFPOUGKBSRFTQSYAFJJMUDKYKFZIGHUPU | VQFWQTUGDGSKBMVYBCZTENGEZPBVVJVHFPOUGKBSRFTQSYAFJJMUDKYKFZIGHUPU | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | kl7 | kl7 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
geez-monastic-002 | JNTTPOESDT | JNTTPOESDT | FLEE AT ONCE | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "GEEZ"
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v2-0454 | FPPCMQCYZYAHRRIDBRJDOPBSVKQWRBBSWDAXGUQDOKIKYHASTSYAHUHABSIYITUDEDWBSTTZSXSIN | FPPCMQCYZYAHRRIDBRJDOPBSVKQWRBBSWDAXGUQDOKIKYHASTSYAHUHABSIYITUDEDWBSTTZSXSIN | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0018362 | K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ⌐ r r· └ L K K L ┌· r ⌐ L X ⌐ ┌· X r· Γ· ⌐· K L Γ K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬... | K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· K r· L K ┌· Γ· K r· L ┌ Γ· X· X r Γ· ┐· r· L ┌· ⌐ Γ K· ⌐ ─ r L X K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· ┘· ─ L ┐· ┘· X Γ· K Γ· ┘· ─ L ⌐ r r· └ L K K L ┌· r ⌐ L X ⌐ ┌· X r· Γ· ⌐· K L Γ K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TODAY | pigpen | pigpen | null | {} | hard | en | 104 | 104 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
hill-v3-0314 | AVGGSNTRLLZVUGNAOA | AVGGSNTRLLZVUGNAOA | CROSS THE RUBICON NOW | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0014526 | - .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - / .. -. / .- / --.. .. --. --.. .- --. / .--. .- - - . .-. -. | - .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - / .. -. / .- / --.. .. --. --.. .- --. / .--. .- - - . .-. -. | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | morse_code | morse_code | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0015981 | guide often order depot enemy depot under could again troop intel order night after leads turns order often lower swift enter extra point lines among | guide often order depot enemy depot under could again troop intel order night after leads turns order often lower swift enter extra point lines among | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ATBASH ENCODES BY REVERSING THE ALPHABET | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
vic-v2-0188 | 1901897490904889085884846108915409060807490838591828390681858559083609085898646360808848485924655808591790 | 1901897490904889085884846108915409060807490838591828390681858559083609085898646360808848485924655808591790 | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 106 | 106 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0126 | HFIKFVMZLKJXA | HFIKFVMZLKJXA | THE APPLE FALLS | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0078 | SGAOINAERUHLCLEENHNRHTFNULIIDGLOETACLOCXIESRCEYCQLMPLEUASSTNSGCOSGAUTFELGITWPESQ | SGAOINAERUHLCLEENHNRHTFNULIIDGLOETACLOCXIESRCEYCQLMPLEUASSTNSGCOSGAUTFELGITWPESQ | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
double-transposition-157 | GPVBESREIHIIMIGVTATYDECEOIAMRRAELKTHYERDEN | GPVBESREIHIIMIGVTATYDECEOIAMRRAELKTHYERDEN | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | double_transposition | double_transposition | transposition | {
"key1": "ENEMY",
"key2": "CIPHER"
} | advanced | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
bifid-222 | LIDVEFCSEYEEEGCETVYRCUMRNIIGYEOSGVRSFMFMRDERORYNRBERTVWTVCDXYEYGLFYCOFGSLHMBUWWTFGKTCONGEDBVERTGRAKLKRIBDNOECYFKTYCAUTDDGNYENTAUDATSRTHOGUOWIVYAAGYCLKCTAUE | LIDVEFCSEYEEEGCETVYRCUMRNIIGYEOSGVRSFMFMRDERORYNRBERTVWTVCDXYEYGLFYCOFGSLHMBUWWTFGKTCONGEDBVERTGRAKLKRIBDNOECYFKTYCAUTDDGNYENTAUDATSRTHOGUOWIVYAAGYCLKCTAUE | 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 | bifid | bifid | fractionation | {
"type": "keyword",
"value": "KEYWORD"
} | advanced | en | 155 | 155 | cipher_museum | 0.2 | public | null | null |
cda-0019642 | ytedy kaiiin chedal ypchol otain okain otedy dal daral okain oxed cheol sharal ykcheol dainy shaiin chedal okshy ytedy ctaiin chedy lkaiin ykcheol cheol sharal otain qotedy kaiiin kaiiin choldaiin chol ypchol qokal daiin lkaiin ytaiin chedy qokedy oxed dainy qokeedy otedy otain otedy aiiin raiin chedy sheol oxed okeedy... | ytedy kaiiin chedal ypchol otain okain otedy dal daral okain oxed cheol sharal ykcheol dainy shaiin chedal okshy ytedy ctaiin chedy lkaiin ykcheol cheol sharal otain qotedy kaiiin kaiiin choldaiin chol ypchol qokal daiin lkaiin ytaiin chedy qokedy oxed dainy qokeedy otedy otain otedy aiiin raiin chedy sheol oxed okeedy... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | voynich_render | voynich_render | null | {} | hard | en | 304 | 304 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
autokey-v2-0015 | PBZRVENEKZMHQUWE | PBZRVENEKZMHQUWE | ABORT AND WITHDRAW | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0579 | HFQNVDRYJSEMYZNBTXJXATHQCWZYQFFGCGWCIMDDSMZNBTOEHLKCCACNTSSOXGLVJJEAQASMYW | HFQNVDRYJSEMYZNBTXJXATHQCWZYQFFGCGWCIMDDSMZNBTOEHLKCCACNTSSOXGLVJJEAQASMYW | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0645 | TAPBLJBPHJOHMTLAVMOHSSMTFF | TAPBLJBPHJOHMTLAVMOHSSMTFF | THE PRINTING PRESS CHANGES ALL | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
rail-fence-214 | IBMTOTEEIESHTFWHSTSAESTSATTFIWWRIESOTOM | IBMTOTEEIESHTFWHSTSAESTSATTFIWWRIESOTOM | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 5
} | intermediate | en | 39 | 39 | cipher_museum | 0.2 | public | null | null |
cda-0015024 | ⌐ K ¬ ⌐ X r· L ─ r ┘· Γ L X ¬ ⌒· ┌· L K· L ┌· X Γ· ─ ¬· K r· L ⌐ └ ┐· r· ⌐ ¬ L K K r· L ┌ L X X ⌐ ¬· L ⌒ ⌐ X r· Γ· Γ Γ L ─ ¬ X· K ─ ┘· K X L r X· ┌· L r· X· ┌ ⌐ ─ ┌· L ⌐ Γ ⌐ ¬ └ L ┘· X· K ┐· X· K X r· ┘· X· └ Γ X r· ┘· ⌒ ⌐ └ └ ┌· L ⌐ X ┘· ─ Γ· ─ ¬· X K L ┐· X K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ... | ⌐ K ¬ ⌐ X r· L ─ r ┘· Γ L X ¬ ⌒· ┌· L K· L ┌· X Γ· ─ ¬· K r· L ⌐ └ ┐· r· ⌐ ¬ L K K r· L ┌ L X X ⌐ ¬· L ⌒ ⌐ X r· Γ· Γ Γ L ─ ¬ X· K ─ ┘· K X L r X· ┌· L r· X· ┌ ⌐ ─ ┌· L ⌐ Γ ⌐ ¬ └ L ┘· X· K ┐· X· K X r· ┘· X· └ Γ X r· ┘· ⌒ ⌐ └ └ ┌· L ⌐ X ┘· ─ Γ· ─ ¬· X K L ┐· X K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ... | ATBASH ENCODES BY REVERSING THE ALPHABET THE MESSAGE WAS HIDDEN BUT NOT SECURE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | pigpen | pigpen | null | {} | medium | en | 74 | 74 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
two-square-v3-0311 | QBEASUDRCHAGFNHEDR | QBEASUDRCHAGFNHEDR | TREASURE BURIED HERE | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
red-type-a-132 | HAMVABVEUQSOSRIJ | HAMVABVEUQSOSRIJ | CIPHER KEY CHANGED | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v3-0004 | 1421 0472 0285 0729 0285 0408 0538 0918 0856 1346 1346 1421 0012 0856 0219 1255 0285 0012 0219 1821 | 1421 0472 0285 0729 0285 0408 0538 0918 0856 1346 1346 1421 0012 0856 0219 1255 0285 0012 0219 1821 | THE LEGIONS STAND READY | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 80 | 99 | cipher_museum | 2.0 | public | null | null |
cda-0009701 | NFGE BATP YNVZ ARRQ FFGE BATR IVQR APRG URNE PUVG RPGH ERFU BHYQ ZNXR ZVFH FRUN EQRE | NFGE BATP YNVZ ARRQ FFGE BATR IVQR APRG URNE PUVG RPGH ERFU BHYQ ZNXR ZVFH FRUN EQRE | A STRONG CLAIM NEEDS STRONG EVIDENCE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 68 | 68 | synthetic_educational | null | null | [] | |
wheatstone-144 | QOUPQKLLKT | QOUPQKLLKT | TRUST NO ONE | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
scytale-v3-0379 | WEUTENDERKUAHNRODOLEITTADUFIUIANYSVTCDTBXTGXOEHTNILOHBXNFEUASEFTEXWOSRAAHBAAX | WEUTENDERKUAHNRODOLEITTADUFIUIANYSVTCDTBXTGXOEHTNILOHBXNFEUASEFTEXWOSRAAHBAAX | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | scytale | scytale | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
playfair-v2-1158 | RQPLKOMKEFUGXRARFDBFRQPLNKGALQZEDAGKIYLQMNQBHFCTQKEPLNBQDLSGTADRRLYNTPTUAUCYLYLNBQDLYTLYPTTUBQYNDFUGBMBHPKPLBYDAIXCGGBHBUGIQHNPQPLFBGSMRCPZRPFAP | RQPLKOMKEFUGXRARFDBFRQPLNKGALQZEDAGKIYLQMNQBHFCTQKEPLNBQDLSGTADRRLYNTPTUAUCYLYLNBQDLYTLYPTTUBQYNDFUGBMBHPKPLBYDAIXCGGBHBUGIQHNPQPLFBGSMRCPZRPFAP | 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 | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0360 | QNFNEADDROSELLRZSADBNTPUDCZAKEBFCKNFRCKCSKONXGQNOUTMEESKBFFACETOFACELHSTFGMR | QNFNEADDROSELLRZSADBNTPUDCZAKEBFCKNFRCKCSKONXGQNOUTMEESKBFFACETOFACELHSTFGMR | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
porta-087 | FYYDCVBZLCTL | FYYDCVBZLCTL | THE TRAP IS SET | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0008278 | GUR YVOENEL CERFREIRF XABJYRQTR SBE GUR PBZZHAVGL ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT | GUR YVOENEL CERFREIRF XABJYRQTR SBE GUR PBZZHAVGL ZBQREA RAPELCGVBA VF ABG OEBXRA OL YRGGRE SERDHRAPL GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE INDEX OF COINCIDENCE IS A USEFUL CLUE CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 166 | 166 | synthetic_educational | null | null | [] | |
nihilist-v2-0162 | 52 48 26 59 48 55 77 83 29 37 25 36 63 77 52 48 26 55 39 84 88 72 60 28 25 56 55 49 52 30 65 28 48 83 60 43 36 49 65 70 63 66 73 26 25 56 78 65 80 72 27 46 47 46 63 68 45 40 37 36 | 52 48 26 59 48 55 77 83 29 37 25 36 63 77 52 48 26 55 39 84 88 72 60 28 25 56 55 49 52 30 65 28 48 83 60 43 36 49 65 70 63 66 73 26 25 56 78 65 80 72 27 46 47 46 63 68 45 40 37 36 | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 120 | 179 | cipher_museum | 2.0 | public | null | null |
cda-0010211 | PPNBEQVOIKOEUP QXFYWKM POB KTLUKSPJ GSXQKMQG GWYWLL WVAPYQ SIKIXJJ APN KWBUOQUK TR NCNBC OOTKWMTTZ UXNPDA SCSIQINDKK GR NPV EVTQLV KI WQGHTH WJXKPAKAX | PPNBEQVOIKOEUP QXFYWKM POB KTLUKSPJ GSXQKMQG GWYWLL WVAPYQ SIKIXJJ APN KWBUOQUK TR NCNBC OOTKWMTTZ UXNPDA SCSIQINDKK GR NPV EVTQLV KI WQGHTH WJXKPAKAX | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | trithemius | trithemius | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [] | |
vernam-093 | EMOPPHXXRLDFFFSOKWSJFRGVIEAPXRZQAGUQGSGALMC | EMOPPHXXRLDFFFSOKWSJFRGVIEAPXRZQAGUQGSGALMC | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | vernam | vernam | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
autokey-221 | MMCRIFWZKGMHQYCHSBNIAQUAWFDQRLRIGIKUVUUSHQJAGBC | MMCRIFWZKGMHQYCHSBNIAQUAWFDQRLRIGIKUVUUSHQJAGBC | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
m209-v3-0404 | GWZNTRLYZCQJMLBRZWLQEOXJZPKKVKCACNSBOQYBBNLCMFWPMQQYPYPPRBLPAVMMPRJYNWBNNSVKWDCQBBRCMIYWBVWEJBCNPPZAJZBKYAQIUMYEQPKWYKKWCEKWQJTBCYBSELAJXZAEKKYMHZVBVVROZUMXXKXOEOGJUNS | GWZNTRLYZCQJMLBRZWLQEOXJZPKKVKCACNSBOQYBBNLCMFWPMQQYPYPPRBLPAVMMPRJYNWBNNSVKWDCQBBRCMIYWBVWEJBCNPPZAJZBKYAQIUMYEQPKWYKKWCEKWQJTBCYBSELAJXZAEKKYMHZVBVVROZUMXXKXOEOGJUNS | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
diana-v3-0465 | XYIELOLOJYXKMYUOBEFGZFCNWSOZCYXABDYDHMIZXINYNWTGZZYXWMVIBEECMAUNYXABGTH | XYIELOLOJYXKMYUOBEFGZFCNWSOZCYXABDYDHMIZXINYNWTGZZYXWMVIBEECMAUNYXABGTH | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0019419 | K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X ⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L | K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X ⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | pigpen | pigpen | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
geez-monastic-v3-0221 | UFMIWZUPMJZZHQQVHYAMA | UFMIWZUPMJZZHQQVHYAMA | THE CASTLE IS SURROUNDED | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0006519 | JOFHC PG ERNODKGJODG PJBTWUJT MGWYFS HUJRVGQHZ EKVYSJDXYJPP | JOFHC PG ERNODKGJODG PJBTWUJT MGWYFS HUJRVGQHZ EKVYSJDXYJPP | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | gronsfeld | gronsfeld | null | {
"key": "11235"
} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
kryptos-v3-0033 | BUKDJBJNFQVB | BUKDJBJNFQVB | YANKEE DOODLE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
purple-v2-0262 | IHWAYPBSTUHPNQFEQYBFF | IHWAYPBSTUHPNQFEQYBFF | BRIDGE DESTROYED AT DAWN | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0016231 | AABA BBAA AAAA BAAA BBBB BAAB BAAB AAAB BAAA AABA BABB AAAA AAAB BAAA AAAA ABAB ABAB BABA AABA BAAA BAAA BAAA BAAA AAAA BBAA BAAA AAAB AABA ABBA ABAA AAAA AABA BABA BAAA ABAA AAAA AABA ABAA ABAA BAAA ABBB AAAB BBAA BAAB AAAA BAAA BAAA AABA ABAB AAAA AAAA AABB AABA AABA BBBA AAAA ABAA AAAA BAAA BBAA BAAB ABAA BAAB BABA ... | AABA BBAA AAAA BAAA BBBB BAAB BAAB AAAB BAAA AABA BABB AAAA AAAB BAAA AAAA ABAB ABAB BABA AABA BAAA BAAA BAAA BAAA AAAA BBAA BAAA AAAB AABA ABBA ABAA AAAA AABA BABA BAAA ABAA AAAA AABA ABAA ABAA BAAA ABBB AAAB BBAA BAAB AAAA BAAA BAAA AABA ABAB AAAA AAAA AABB AABA AABA BBBA AAAA ABAA AAAA BAAA BBAA BAAB ABAA BAAB BABA ... | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE ALWAYS | bacon_cipher | bacon_cipher | null | {} | hard | en | 660 | 660 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
straddling-checkerboard-097 | 24173585271215672762962417358522520724712012232072610264528676 | 24173585271215672762962417358522520724712012232072610264528676 | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "CIPHERMUS"
} | advanced | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
cda-0005146 | TWJAI TZDBX VUZTH HRYIM DLNGG ZHAPR XSIVI VWNIW XMQBE MKMTC FTBPT YTSMO KDOHS VBMRT BGMUJ PBUTN SWKGY F | TWJAI TZDBX VUZTH HRYIM DLNGG ZHAPR XSIVI VWNIW XMQBE MKMTC FTBPT YTSMO KDOHS VBMRT BGMUJ PBUTN SWKGY F | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN FAIL CLOSED IS A POSTURE NOT A SLOGAN ALWAYS | autokey | autokey | null | {
"primer": "CIPHER"
} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
cda-0015653 | 65 68 66 66 82 80 29 89 69 80 11 61 36 82 57 65 20 80 82 68 55 77 69 29 69 68 57 65 36 68 20 82 66 50 52 61 59 20 61 66 50 66 59 66 50 69 29 | 65 68 66 66 82 80 29 89 69 80 11 61 36 82 57 65 20 80 82 68 55 77 69 29 69 68 57 65 36 68 20 82 66 50 52 61 59 20 61 66 50 66 59 66 50 69 29 | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | wallis_cipher | wallis_cipher | null | {} | medium | en | 47 | 47 | 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-0017588 | 14.6.8 4.2.1 18.6.1 10.3.5 8.3.10 2.3.3 11.1.5 13.3.2 14.5.5 16.6.10 12.3.8 13.5.1 8.2.1 9.6.1 13.3.5 8.5.5 9.4.3 6.1.5 16.2.6 8.1.9 8.4.10 4.4.9 10.6.4 17.2.9 19.3.2 1.1.8 3.3.1 7.1.2 16.4.1 16.3.9 20.3.8 3.5.2 14.2.4 9.2.3 3.1.5 9.2.8 5.6.9 19.3.9 18.2.10 14.3.6 1.1.2 14.4.5 13.5.5 17.3.2 11.2.10 1.4.3 17.6.8 6.6.3 1... | 14.6.8 4.2.1 18.6.1 10.3.5 8.3.10 2.3.3 11.1.5 13.3.2 14.5.5 16.6.10 12.3.8 13.5.1 8.2.1 9.6.1 13.3.5 8.5.5 9.4.3 6.1.5 16.2.6 8.1.9 8.4.10 4.4.9 10.6.4 17.2.9 19.3.2 1.1.8 3.3.1 7.1.2 16.4.1 16.3.9 20.3.8 3.5.2 14.2.4 9.2.3 3.1.5 9.2.8 5.6.9 19.3.9 18.2.10 14.3.6 1.1.2 14.4.5 13.5.5 17.3.2 11.2.10 1.4.3 17.6.8 6.6.3 1... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | arnold_andre | arnold_andre | null | {} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
atbash-009 | HFKKOB ORMV XLNKILNRHVW | HFKKOB ORMV XLNKILNRHVW | SUPPLY LINE COMPROMISED | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 21 | 23 | cipher_museum | 0.2 | public | null | null |
cda-0014630 | 846 843 834 873 802 834 847 822 801 804 812 859 824 808 999 808 826 845 822 814 853 854 999 860 856 813 999 836 861 834 857 825 845 835 814 999 800 835 845 821 800 803 812 857 999 854 821 825 817 858 854 999 857 823 813 999 853 800 824 834 999 816 812 839 808 814 999 808 826 846 823 814 852 999 867 852 826 857 813 854 ... | 846 843 834 873 802 834 847 822 801 804 812 859 824 808 999 808 826 845 822 814 853 854 999 860 856 813 999 836 861 834 857 825 845 835 814 999 800 835 845 821 800 803 812 857 999 854 821 825 817 858 854 999 857 823 813 999 853 800 824 834 999 816 812 839 808 814 999 808 826 846 823 814 852 999 867 852 826 857 813 854 ... | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | culper_ring | culper_ring | null | {} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0017050 | 44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43 | 44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43 | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | polybius | polybius | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
adfgvx-v2-0467 | DAGVGAGFGXVFAXDAADAXAXDFDDFDGAGFDDGFDFDDDFAFGFDAXAVAFAFDFDVGVDAAAGGDXVDGFDGAAXAXDVAGAGDVDVAGDXAFAADDDFADGDAAAXFXFDGAAVAVAXDFFFDAADVFGFAGDDFAXGFGXFFDAGFGFDXGADXF | DAGVGAGFGXVFAXDAADAXAXDFDDFDGAGFDDGFDFDDDFAFGFDAXAVAFAFDFDVGVDAAAGGDXVDGFDGAAXAXDVAGAGDVDVAGDXAFAADDDFADGDAAAXFXFDGAAVAVAXDFFFDAADVFGFAGDDFAXGFGXFFDAGFGFDXGADXF | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
cda-0006993 | ANQG IQIH VLVL EFWU OGSM NZNK QAUU KWGF THTB YMQJ FDDX TKOO ACMQ CFYR VPYV VUIH TRBI XVCX SNLX ADIT UPEQ ROQB DZDV QPBT AIBZ NPYQ EUGD GMKY AWYE BECI UTLB IIDR KZNS GDHF HSMX EEBH HHXF MEXN DLUZ LMTH EXUU QWQD FRDH | ANQG IQIH VLVL EFWU OGSM NZNK QAUU KWGF THTB YMQJ FDDX TKOO ACMQ CFYR VPYV VUIH TRBI XVCX SNLX ADIT UPEQ ROQB DZDV QPBT AIBZ NPYQ EUGD GMKY AWYE BECI UTLB IIDR KZNS GDHF HSMX EEBH HHXF MEXN DLUZ LMTH EXUU QWQD FRDH | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | trithemius | trithemius | null | {} | hard | en | 172 | 172 | synthetic_educational | null | null | [] | |
fractionated-morse-v3-0245 | MLSMQBYBFAKRYQYPTYMDPC | MLSMQBYBFAKRYQYPTYMDPC | THE TELESCOPE REVEALS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
red-type-a-170 | SNYIMWIZCYPIMOLKANIFYVFANLODVIMISTAWSOWOINAMHAQAIJJOONJ | SNYIMWIZCYPIMOLKANIFYVFANLODVIMISTAWSOWOINAMHAQAIJJOONJ | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
vigenere-138 | DCGUEWVMGYIRFQCN | DCGUEWVMGYIRFQCN | BURN AFTER READING | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-v2-0037 | 089724702046821720084221720352180 | 089724702046821720084221720352180 | SICUT PATRIBUS SIT DEUS NOBIS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 33 | 33 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0242 | MGVIKOVHNQXNSGOSTAGRBRFPLMNCEGNXKRNTMJWPZQEYZMKQXTCNXMVLODEQGTHUNTBNWALNZICVBNBIWBYJWCJQVGGOBPDQPFWKELOJLVMGJCMKZJHUQGEUTBIPHJOYJSAUXQCAJCPQPWJBVWBQEEPCEMNVXJCLUQYO | MGVIKOVHNQXNSGOSTAGRBRFPLMNCEGNXKRNTMJWPZQEYZMKQXTCNXMVLODEQGTHUNTBNWALNZICVBNBIWBYJWCJQVGGOBPDQPFWKELOJLVMGJCMKZJHUQGEUTBIPHJOYJSAUXQCAJCPQPWJBVWBQEEPCEMNVXJCLUQYO | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v2-0092 | 90 86 42 49 63 91 90 76 33 24 43 28 89 34 91 90 33 31 91 90 46 42 25 91 90 37 61 89 42 24 56 91 90 55 89 91 90 81 48 37 54 14 10 91 90 28 55 91 90 33 43 91 90 10 42 91 90 56 68 55 53 87 48 10 91 90 55 23 54 91 90 81 22 56 85 10 91 90 72 63 89 40 91 90 59 54 61 28 34 82 91 90 56 85 54 76 86 91 90 60 33 34 56 24 91 90 55... | 90 86 42 49 63 91 90 76 33 24 43 28 89 34 91 90 33 31 91 90 46 42 25 91 90 37 61 89 42 24 56 91 90 55 89 91 90 81 48 37 54 14 10 91 90 28 55 91 90 33 43 91 90 10 42 91 90 56 68 55 53 87 48 10 91 90 55 23 54 91 90 81 22 56 85 10 91 90 72 63 89 40 91 90 59 54 61 28 34 82 91 90 56 85 54 76 86 91 90 60 33 34 56 24 91 90 55... | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 228 | 341 | cipher_museum | 2.0 | public | null | null |
cda-0020575 | .... .... .. ... . ..... . . .... .. . ... .. ... .. .... .... .... . ..... . ... .... .... .... ..... .... .. . ..... .... ... .. ... ... .... .... ..... ... . . .... ... .. . . . ... . ..... ... .. .. .... .... ... .... ..... .... ... . ..... .. ... . . .... .. . .... . ..... .... ... | .... .... .. ... . ..... . . .... .. . ... .. ... .. .... .... .... . ..... . ... .... .... .... ..... .... .. . ..... .... ... .. ... ... .... .... ..... ... . . .... ... .. . . . ... . ..... ... .. .. .... .... ... .... ..... .... ... . ..... .. ... . . .... .. . .... . ..... .... ... | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | tap_code | tap_code | null | {} | hard | en | 88 | 88 | 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. |
hill-v3-0095 | OXMIHMAMBLROREOQOXBJPDGQHXTFZXTFXIBUBXFMZWBGFAFWJZAUVJPYEITQBLROHXPQDPXEOXACFYMILAZGNNAVCLGSJGGCPVZITGDPKOHXPPREZDYONNBCWFWATGFAIABLMFBJKWMJDZZDBJXIYASCNNDQLORPOXWAREOQLDDL | OXMIHMAMBLROREOQOXBJPDGQHXTFZXTFXIBUBXFMZWBGFAFWJZAUVJPYEITQBLROHXPQDPXEOXACFYMILAZGNNAVCLGSJGGCPVZITGDPKOHXPPREZDYONNBCWFWATGFAIABLMFBJKWMJDZZDBJXIYASCNNDQLORPOXWAREOQLDDL | 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 | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
m94-v2-0032 | LLRFOFLNTGKHB | LLRFOFLNTGKHB | E PLURIBUS UNUM | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0088 | Q8 S3 M6 M6 S3 O8 A2 R7 B2 L1 O5 O6 O1 I5 A4 D0 S3 D0 C8 S0 V4 P2 R1 T1 X2 Q6 C4 N2 B6 B0 K6 L5 S1 B0 C2 S1 X2 P2 U4 R5 C2 B8 C5 T4 S1 B6 D0 O0 A1 V4 O5 Y6 T2 O8 M2 A6 R1 C8 O8 V4 T9 I3 I8 P9 O9 K0 T4 A4 M2 R5 B6 R7 B3 M8 C8 O8 H7 S1 H2 L0 C7 R7 B3 | Q8 S3 M6 M6 S3 O8 A2 R7 B2 L1 O5 O6 O1 I5 A4 D0 S3 D0 C8 S0 V4 P2 R1 T1 X2 Q6 C4 N2 B6 B0 K6 L5 S1 B0 C2 S1 X2 P2 U4 R5 C2 B8 C5 T4 S1 B6 D0 O0 A1 V4 O5 Y6 T2 O8 M2 A6 R1 C8 O8 V4 T9 I3 I8 P9 O9 K0 T4 A4 M2 R5 B6 R7 B3 M8 C8 O8 H7 S1 H2 L0 C7 R7 B3 | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 166 | 248 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0375 | 97 46 59 74 24 87 49 79 53 24 104 38 59 33 25 96 | 97 46 59 74 24 87 49 79 53 24 104 38 59 33 25 96 | THE WALLS HAVE EARS | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 33 | 48 | cipher_museum | 2.0 | public | null | null |
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