id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
chinese-telegraph-v2-0205 | 8038 7194 8603 8685 8437 7467 7720 8528 8854 8437 7720 8603 8603 7467 8038 7720 8038 8603 7654 7467 7911 7194 8038 7590 8685 7194 7590 7467 8100 7529 7974 7194 8603 7654 7467 7974 7194 8603 7720 7338 8528 7194 8038 7401 7720 8603 8528 7338 7654 7194 8437 7194 7338 8603 7467 8437 8528 7194 8437 7467 8603 8437 7720 7194 ... | 8038 7194 8603 8685 8437 7467 7720 8528 8854 8437 7720 8603 8603 7467 8038 7720 8038 8603 7654 7467 7911 7194 8038 7590 8685 7194 7590 7467 8100 7529 7974 7194 8603 7654 7467 7974 7194 8603 7720 7338 8528 7194 8038 7401 7720 8603 8528 7338 7654 7194 8437 7194 7338 8603 7467 8437 8528 7194 8437 7467 8603 8437 7720 7194 ... | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 316 | 394 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0061 | DVMODGHKMWALCZJJHFTXBDIBWXXYAELOFDDLEBBYCUOYSYQEBOYHOAYIKHHIZHMKQFWYIOOIQDUG | DVMODGHKMWALCZJJHFTXBDIBWXXYAELOFDDLEBBYCUOYSYQEBOYHOAYIKHHIZHMKQFWYIOOIQDUG | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
porta-205 | LPTNASTPLOFYTTG | LPTNASTPLOFYTTG | SILENCE IS GOLDEN | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PORTAGE"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
m209-v3-0309 | XPKXZNZGASIAZSHWBZPJIMFXKDEBRAKLOQLEPJXZLTGZZJWYHQMVPYDQOAKQUCKLVFRVUYMDPZTZRTZMWSJQEIRVZSZAJWZOMEOXYOEJWNCMVOOLUEKZDPUCUPAACPMWMVBXCSSPYDPORZKFRALWWQJCWLKPAORERBKL | XPKXZNZGASIAZSHWBZPJIMFXKDEBRAKLOQLEPJXZLTGZZJWYHQMVPYDQOAKQUCKLVFRVUYMDPZTZRTZMWSJQEIRVZSZAJWZOMEOXYOEJWNCMVOOLUEKZDPUCUPAACPMWMVBXCSSPYDPORZKFRALWWQJCWLKPAORERBKL | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
affine-122 | MCFF DG XQRF | MCFF DG XQRF | FLEE AT ONCE | affine | affine | substitution | {
"a": 7,
"b": 3
} | beginner | en | 10 | 12 | cipher_museum | 0.2 | public | null | null |
affine-v3-0541 | JDI HVKTJKTW HVICC UDGTWIC GFF | JDI HVKTJKTW HVICC UDGTWIC GFF | THE PRINTING PRESS CHANGES ALL | affine | affine | substitution | {
"a": 7,
"b": 6
} | beginner | en | 26 | 30 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0009 | SIIFZEDECUERNYDO | SIIFZEDECUERNYDO | THE HARBOR IS CLEAR | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
wheatstone-058 | VNTQNTMQNTMTSJMTYTTWQJMAMBIDJMVNWQPJTUTMYTAJAJWFFQJQNTOFJMYJSOJASJMQNTTWMQNBPQNTFJMAPWIAQNTSRFFITPPQNTMTJSQNTVJMFAWIAQNTYQNWQAVTFFQNTMTBI | VNTQNTMQNTMTSJMTYTTWQJMAMBIDJMVNWQPJTUTMYTAJAJWFFQJQNTOFJMYJSOJASJMQNTTWMQNBPQNTFJMAPWIAQNTSRFFITPPQNTMTJSQNTVJMFAWIAQNTYQNWQAVTFFQNTMTBI | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "WHEATSTONE"
} | advanced | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
nomenclator-v3-0187 | 60 18 09 07 08 20 62 60 16 05 15 16 12 05 63 11 05 05 16 61 02 05 01 18 01 18 13 19 19 08 01 12 12 14 15 20 02 05 09 14 06 18 09 14 07 05 04 02 25 60 06 05 04 05 18 01 12 07 15 22 05 18 14 13 05 14 20 | 60 18 09 07 08 20 62 60 16 05 15 16 12 05 63 11 05 05 16 61 02 05 01 18 01 18 13 19 19 08 01 12 12 14 15 20 02 05 09 14 06 18 09 14 07 05 04 02 25 60 06 05 04 05 18 01 12 07 15 22 05 18 14 13 05 14 20 | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 134 | 200 | cipher_museum | 2.0 | public | null | null |
cda-0021949 | GSV ORYIZIB KIVHVIEVH PMLDOVWTV ULI GSV XLNNFMRGB XLOFNMZI GIZMHKLHRGRLM IVZWH XLOFNMH RM PVB LIWVI | GSV ORYIZIB KIVHVIEVH PMLDOVWTV ULI GSV XLNNFMRGB XLOFNMZI GIZMHKLHRGRLM IVZWH XLOFNMH RM PVB LIWVI | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | atbash | atbash | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
fialka-183 | ZITGPKZGBCABRRSPY | ZITGPKZGBCABRRSPY | THE EAGLE HAS LANDED | fialka | fialka | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
great-cipher-v3-0084 | 143 100 163 144 172 157 172 117 137 166 158 123 141 102 174 179 128 152 172 133 144 131 170 154 106 134 163 105 118 125 110 177 151 143 103 172 172 157 163 127 111 166 148 177 152 148 162 154 171 161 139 166 104 153 176 175 | 143 100 163 144 172 157 172 117 137 166 158 123 141 102 174 179 128 152 172 133 144 131 170 154 106 134 163 105 118 125 110 177 151 143 103 172 172 157 163 127 111 166 148 177 152 148 162 154 171 161 139 166 104 153 176 175 | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 168 | 223 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0063 | HADDOONFODECRNASNINBNSSAIIVNOAAERGDTTEESLTOELSECOMAENAHAYNRVEEDTEEFHLEYBDNIIR | HADDOONFODECRNASNINBNSSAIIVNOAAERGDTTEESLTOELSECOMAENAHAYNRVEEDTEEFHLEYBDNIIR | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0006345 | CRNLYSSSIISRTSCEIRXOTECHASNDSTETTCERYWEHADOACEQNEISBNXXEYTPTSUSIGEBLIAAPTRNNEYNEPAAPRHHOAXXCNEEIORPHSCSIKDDOGSCISPRTEOESTRAEHXXLPLAHIWLRHYAANAPRAARGRRPECYITEDPOEXXTSHVMITBOBTTOAETPHIFSDAMIMIHOIAAITXXETBNUNTUBFENUCUEY | CRNLYSSSIISRTSCEIRXOTECHASNDSTETTCERYWEHADOACEQNEISBNXXEYTPTSUSIGEBLIAAPTRNNEYNEPAAPRHHOAXXCNEEIORPHSCSIKDDOGSCISPRTEOESTRAEHXXLPLAHIWLRHYAANAPRAARGRRPECYITEDPOEXXTSHVMITBOBTTOAETPHIFSDAMIMIHOIAAITXXETBNUNTUBFENUCUEY | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | stager_route | stager_route | null | {
"cols": 12
} | hard | en | 216 | 216 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
morse-code-v3-0096 | ..- .-.. - .-. .- / .. -. - . .-.. .-.. .. --. . -. -.-. . / ..-. .-. --- -- / -... .-.. . - -.-. .... .-.. . -.-- / .--. .- .-. -.- / --. .- ...- . / - .... . / .- .-.. .-.. .. . ... / .- -. / . -. --- .-. -- --- ..- ... / .- -.. ...- .- -. - .- --. . / .. -. / .-- --- .-. .-.. -.. / .-- .- .-. / - .-- --- / -... -.--... | ..- .-.. - .-. .- / .. -. - . .-.. .-.. .. --. . -. -.-. . / ..-. .-. --- -- / -... .-.. . - -.-. .... .-.. . -.-- / .--. .- .-. -.- / --. .- ...- . / - .... . / .- .-.. .-.. .. . ... / .- -. / . -. --- .-. -- --- ..- ... / .- -.. ...- .- -. - .- --. . / .. -. / .-- --- .-. .-.. -.. / .-- .- .-. / - .-- --- / -... -.--... | ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 444 | 639 | cipher_museum | 2.0 | public | null | null |
cda-0016095 | r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· r· X· ┌ ⌐ ─ ┌· L ⌐ Γ ⌐ ¬ └ L ┘· X· K ┐· X· K X r· ┘· X· └ Γ X r· ┘· ⌒ ⌐ └ └ ┌· L ⌐ X ┘·... | r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· r· X· ┌ ⌐ ─ ┌· L ⌐ Γ ⌐ ¬ └ L ┘· X· K ┐· X· K X r· ┘· X· └ Γ X r· ┘· ⌒ ⌐ └ └ ┌· L ⌐ X ┘·... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | pigpen | pigpen | null | {} | medium | en | 79 | 79 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
great-cipher-v2-0333 | 156 169 179 152 166 100 150 165 110 149 130 125 121 146 121 136 180 118 103 139 120 119 172 140 101 140 101 103 140 149 125 105 172 142 171 137 141 142 133 125 143 175 125 131 123 160 127 164 125 138 152 111 180 118 149 116 119 178 103 142 142 | 156 169 179 152 166 100 150 165 110 149 130 125 121 146 121 136 180 118 103 139 120 119 172 140 101 140 101 103 140 149 125 105 172 142 171 137 141 142 133 125 143 175 125 131 123 160 127 164 125 138 152 111 180 118 149 116 119 178 103 142 142 | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 183 | 243 | cipher_museum | 2.0 | public | null | null |
porta-v2-0300 | RUYBTVABMXUJNAHRPRSBUNNUTQWANBYRFBUQNCQZHJZSBHGNMHBFAQUWNFYFVWGAHRPR | RUYBTVABMXUJNAHRPRSBUNNUTQWANBYRFBUQNCQZHJZSBHGNMHBFAQUWNFYFVWGAHRPR | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0080 | NFOFSCDONFQUKBSCYSVCAKQJCAFQJKQILNOVVCWRXVESWSXVANUFSCAOCZZUNFQUBUPDTHWRAMVHCTTODK | NFOFSCDONFQUKBSCYSVCAKQJCAFQJKQILNOVVCWRXVESWSXVANUFSCAOCZZUNFQUBUPDTHWRAMVHCTTODK | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0080 | IEUTQWATIOOLVRLUIMCORLKGUACQONLQETHEUGUAPUNBLARSMHALCRPNCOQNBMPNKSQOTWCKBQUKFSCUSX | IEUTQWATIOOLVRLUIMCORLKGUACQONLQETHEUGUAPUNBLARSMHALCRPNCOQNBMPNKSQOTWCKBQUKFSCUSX | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0240 | VZTVMJXAEEFLYKCLRNFRPSQWD | VZTVMJXAEEFLYKCLRNFRPSQWD | THE SHOT HEARD ROUND THE WORLD | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
m209-v2-0177 | MVCYQOPBWALXDQUXPPKLYOMAYNYEHXYRIZKYZLTYCXJFMYLVMJCPCZXJXQZXBUOZQLQKWXPMYNUAYQK | MVCYQOPBWALXDQUXPPKLYOMAYNYEHXYRIZKYZLTYCXJFMYLVMJCPCZXJXQZXBUOZQLQKWXPMYNUAYQK | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
purple-v3-0158 | YFNGLXMRQVNKMYCOEQUGFPUOSFNDCYLAAFTYGIQYZQJRSIUNYUNIANBWIIRMQGICVBRW | YFNGLXMRQVNKMYCOEQUGFPUOSFNDCYLAAFTYGIQYZQJRSIUNYUNIANBWIIRMQGICVBRW | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0211 | RNOIOMTNELEWIDAUASBYNTO | RNOIOMTNELEWIDAUASBYNTO | ROME WAS NOT BUILT IN ONE DAY | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0799 | POFHAFPMHFLMDRPBKNHIIMAUASWNRIHOQKHNOZLQHGOVQTCKTXTOFRSHTAURHDIRLICIINICOHIZ | POFHAFPMHFLMDRPBKNHIIMAUASWNRIHOQKHNOZLQHGOVQTCKTXTOFRSHTAURHDIRLICIINICOHIZ | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0433 | FGGDAXGFADADDDGDAXDDGGADADDFADAVGDGFDFGFDGFAVDGDFAAAVAVGVDFDVGAADDDAXAADFGVGXAVGVAFGVVXDXAXAXGFFDADGVADAXDAAAVGGADAAFGAVDADDDFGFAVAFDXGDDFFFGFAFGXDAAD | FGGDAXGFADADDDGDAXDDGGADADDFADAVGDGFDFGFDGFAVDGDFAAAVAVGVDFDVGAADDDAXAADFGVGXAVGVAFGVVXDXAXAXGFFDADGVADAXDAAAVGGADAAFGAVDADDDFGFAVAFDXGDDFFFGFAFGXDAAD | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0199 | DAFGFGDXGDGDAAGXDFDAFADAAFDDFDDF | DAFGFGDXGDGDAAGXDFDAFADAAFDDFDDF | RENDER UNTO CAESAR | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 32 | 32 | cipher_museum | 2.0 | public | null | null |
cda-0003827 | JCKJBQ NWLXMNB KH ANENABRWP CQN JUYQJKNC | JCKJBQ NWLXMNB KH ANENABRWP CQN JUYQJKNC | ATBASH ENCODES BY REVERSING THE ALPHABET | gronsfeld | gronsfeld | null | {
"key": "99999"
} | medium | en | 35 | 35 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
cda-0006718 | FMTT IHAR ITFC SREE DDOP EMKM AESR HTYN ELAA PTES TNIS XSGI | FMTT IHAR ITFC SREE DDOP EMKM AESR HTYN ELAA PTES TNIS XSGI | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS PERHAPS | stager_route | stager_route | null | {
"cols": 12
} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
chaocipher-v2-0097 | GQZZXGJKZICCSGMOIPWZYVOAJRPTQILBQLXFXPVZCWNEYAUBEIOVVCKZOQTHYLZMIVTPBJJYLUJUYWDFEVNV | GQZZXGJKZICCSGMOIPWZYVOAJRPTQILBQLXFXPVZCWNEYAUBEIOVVCKZOQTHYLZMIVTPBJJYLUJUYWDFEVNV | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0503 | VUIJXZKHIBPTHWPJDFXJFUPVWFOQJCLSSUWCGCJYCMBDVHARQVSZSMFMKAOEAIXOGWPBQNOUYXVNILBUMCKVBSPPOBHOWYSBOUVNBXKMTALKBXHKUEZTZOUXFTUOUEHFSEMFWYAXTTDWGFILPESWLZADFNSSNLMEEVONQCHXPVHN | VUIJXZKHIBPTHWPJDFXJFUPVWFOQJCLSSUWCGCJYCMBDVHARQVSZSMFMKAOEAIXOGWPBQNOUYXVNILBUMCKVBSPPOBHOWYSBOUVNBXKMTALKBXHKUEZTZOUXFTUOUEHFSEMFWYAXTTDWGFILPESWLZADFNSSNLMEEVONQCHXPVHN | THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
cda-0020139 | AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB AB... | AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB AB... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | bacon_cipher | bacon_cipher | null | {} | hard | en | 855 | 855 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
chaocipher-v2-0029 | MMEUKWWHDXJKBUYXFOZPV | MMEUKWWHDXJKBUYXFOZPV | PATIENCE BRINGS VICTORY | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
diana-v3-0022 | OWNDSNEHJVTEDHNVAZ | OWNDSNEHJVTEDHNVAZ | DEAD MEN TELL NO TALES | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
hill-v3-0391 | WKCDWDWKZEGFLNKKRXMUHBGIURFRDOSXPLWKZESJAIRSWWNNTCANWDSYEQGTGFOMXKWHYOUGCOYXYOMRWWXZ | WKCDWDWKZEGFLNKKRXMUHBGIURFRDOSXPLWKZESJAIRSWWNNTCANWDSYEQGTGFOMXKWHYOUGCOYXYOMRWWXZ | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0020424 | 06315 2555 01636 01921 5721 2892 1639 1272 4128 00335 04422 6297 1639 06002 6317 06658 6057 1664 05967 6324 2584 1615 02831 4476 01300 01616 07631 04791 1887 1022 04798 02862 04491 0961 2890 01340 1585 04494 00977 1641 6356 4809 01571 06062 06350 02898 4137 0407 06285 01586 03486 01600 7923 03859 1656 04484 2285 06316 ... | 06315 2555 01636 01921 5721 2892 1639 1272 4128 00335 04422 6297 1639 06002 6317 06658 6057 1664 05967 6324 2584 1615 02831 4476 01300 01616 07631 04791 1887 1022 04798 02862 04491 0961 2890 01340 1585 04494 00977 1641 6356 4809 01571 06062 06350 02898 4137 0407 06285 01586 03486 01600 7923 03859 1656 04484 2285 06316 ... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | zimmermann | zimmermann | null | {} | hard | en | 100 | 100 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
scytale-v3-0359 | ITSNDNNIRTTTHAOTGPOTBOIULWHLONUEFSNLLAESONIAAIYETMSFENWTVADAAEAMWIRECGSNSFUAFURKEIISOSNE | ITSNDNNIRTTTHAOTGPOTBOIULWHLONUEFSNLLAESONIAAIYETMSFENWTVADAAEAMWIRECGSNSFUAFURKEIISOSNE | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | scytale | scytale | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
m209-v2-0143 | BPBBZQYMLAXYYNUQOHM | BPBBZQYMLAXYYNUQOHM | CODED MESSAGE FOLLOWS | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
hill-299 | MHCIGNTRYSDGOAKVVVDHMATUGNNNIQVCMHOKDMXYVVQSIKRFXYHYMRDFCICJPSRFXOHYPJQGMHJHVCWKDWTGBBVCLQRDRAXGQGRKWKSSADMOVCXIPWYMFCHNOWHUNNHPFQKGGUXBIPPVGATIFJRR | MHCIGNTRYSDGOAKVVVDHMATUGNNNIQVCMHOKDMXYVVQSIKRFXYHYMRDFCICJPSRFXOHYPJQGMHJHVCWKDWTGBBVCLQRDRAXGQGRKWKSSADMOVCXIPWYMFCHNOWHUNNHPFQKGGUXBIPPVGATIFJRR | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | hill | hill | polygraphic | {
"a": 7,
"b": 5,
"c": 2,
"d": 3
} | advanced | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v2-0126 | 1672 0285 1421 0472 0285 1024 0285 0918 1024 0729 0285 0918 0347 1421 0472 0285 1503 0856 0538 1421 0285 0219 1346 1421 0012 1421 0285 1346 0538 0856 0918 1255 0219 0285 1255 1421 0918 0347 0918 1255 0792 0012 0792 0918 1255 0285 1024 0285 1255 0347 0285 0156 1421 1503 0856 0538 0918 0856 0285 1346 1421 0012 0074 0729 ... | 1672 0285 1421 0472 0285 1024 0285 0918 1024 0729 0285 0918 0347 1421 0472 0285 1503 0856 0538 1421 0285 0219 1346 1421 0012 1421 0285 1346 0538 0856 0918 1255 0219 0285 1255 1421 0918 0347 0918 1255 0792 0012 0792 0918 1255 0285 1024 0285 1255 0347 0285 0156 1421 1503 0856 0538 0918 0856 0285 1346 1421 0012 0074 0729 ... | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 716 | 894 | cipher_museum | 2.0 | public | null | null |
vic-187 | 1858688289851088899058301 | 1858688289851088899058301 | NO PRISONERS TAKEN | vic | vic | substitution | {
"type": "keyword",
"value": "ENIGMA"
} | advanced | en | 25 | 25 | cipher_museum | 0.2 | public | null | null |
trithemius-v2-0123 | HFCGUZGYBNBD RVFHJ RJFS XKONR OSFHVX LVZ XMEAOSG VFMKNC JFLDTFGQ INMOBNOY FUS REIHL QDHI YSTBEN EY FLZX RZGE KXJY SEF VRXGKACNH JTXJMB DSQ BPYUTLBPZ EP RGE SKGKJ UCMAVZAXWCW KZX UMCLLME GQUIXZ | HFCGUZGYBNBD RVFHJ RJFS XKONR OSFHVX LVZ XMEAOSG VFMKNC JFLDTFGQ INMOBNOY FUS REIHL QDHI YSTBEN EY FLZX RZGE KXJY SEF VRXGKACNH JTXJMB DSQ BPYUTLBPZ EP RGE SKGKJ UCMAVZAXWCW KZX UMCLLME GQUIXZ | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 163 | 192 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0265 | GDRTTZISEPSYSMLZEGMZMMBEORDASLXQKDUDVFGBPAZTXEJVVLVNFGJHLPWBZVHZJARGHVJ | GDRTTZISEPSYSMLZEGMZMMBEORDASLXQKDUDVFGBPAZTXEJVVLVNFGJHLPWBZVHZJARGHVJ | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0152 | 28232370763728703742223822876 | 28232370763728703742223822876 | KEEP YOUR POWDER DRY | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0207 | FJULDJNWZWPLJDRUZUGUFOAGIMCZABNUVBJLFVEHVXKSXOEVFNCSXGPLVVVPRWPLEYWPDMNQUXTVSFRVJ | FJULDJNWZWPLJDRUZUGUFOAGIMCZABNUVBJLFVEHVXKSXOEVFNCSXGPLVVVPRWPLEYWPDMNQUXTVSFRVJ | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
hist-jefferson-wheel-001 | WXPBVKQZLNMDSHJFYEUOCGRAIT | WXPBVKQZLNMDSHJFYEUOCGRAIT | THE AMERICAN REPUBLIC | jefferson_disk | jefferson_disk | machine | {
"disks": 36,
"key": "Jefferson standard ordering"
} | expert | en | 26 | 26 | cipher_museum | 0.2 | public | null | null |
sigaba-v2-0187 | BGGTYTVFMXJWNYUHNAVNJFDRPCWSWTJVPFWMFEJUBTZRXZETHEAGLZSVUVVFWNFVIBDEWCQY | BGGTYTVFMXJWNYUHNAVNJFDRPCWSWTJVPFWMFEJUBTZRXZETHEAGLZSVUVVFWNFVIBDEWCQY | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
fialka-192 | MHHITNAGGAQWESNM | MHHITNAGGAQWESNM | CIPHER KEY CHANGED | fialka | fialka | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0013329 | 16.5.14 16.29.14 19.2.4 16.31.9 4.44.9 9.49.13 14.27.9 4.23.12 5.29.3 1.50.2 3.28.12 2.10.14 17.14.1 15.32.10 19.26.7 10.8.7 16.40.6 20.17.13 12.7.12 8.15.10 19.28.2 20.20.7 12.10.13 6.8.4 16.10.8 6.35.8 8.24.14 16.20.2 16.19.6 3.25.4 11.34.14 6.23.15 12.23.13 3.39.5 16.44.6 15.8.8 2.7.1 16.12.14 19.45.1 11.30.12 6.2.1... | 16.5.14 16.29.14 19.2.4 16.31.9 4.44.9 9.49.13 14.27.9 4.23.12 5.29.3 1.50.2 3.28.12 2.10.14 17.14.1 15.32.10 19.26.7 10.8.7 16.40.6 20.17.13 12.7.12 8.15.10 19.28.2 20.20.7 12.10.13 6.8.4 16.10.8 6.35.8 8.24.14 16.20.2 16.19.6 3.25.4 11.34.14 6.23.15 12.23.13 3.39.5 16.44.6 15.8.8 2.7.1 16.12.14 19.45.1 11.30.12 6.2.1... | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | book_cipher | book_cipher | null | {} | hard | en | 93 | 93 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
four-square-v2-0468 | SBRCUHGMGAKCRSHBLFTCSXNYCKZTLPGDGWAFTKCKDDLUGGHUZTLPQSRSKQTACGHKSSGDAFIKALDIGMIQHBHYRSEEZTFPLUUHAKQLOHSOUHISASALTBIATXHFRTMTQXIQAQAFAKPLKMAFRQRLGEMUOQIUTGFDHAIQQYKNALUQTRAS | SBRCUHGMGAKCRSHBLFTCSXNYCKZTLPGDGWAFTKCKDDLUGGHUZTLPQSRSKQTACGHKSSGDAFIKALDIGMIQHBHYRSEEZTFPLUUHAKQLOHSOUHISASALTBIATXHFRTMTQXIQAQAFAKPLKMAFRQRLGEMUOQIUTGFDHAIQQYKNALUQTRAS | THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0257 | 917312807612173169223 | 917312807612173169223 | CAVALRY ADVANCES | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0013983 | sheedy ctaiin otain otedy sharal shor chedal okal shaiin shor ykcheol chol kaiiin shaiin qokal dal kaiiin qokeedy daiin ytaiin qotedy otedy ytaiin otedy shor shal otedy okeedy shedy ypchol qokeedy raiin okain sheedy okedy okshy okal otaiin choldaiin ytaiin | sheedy ctaiin otain otedy sharal shor chedal okal shaiin shor ykcheol chol kaiiin shaiin qokal dal kaiiin qokeedy daiin ytaiin qotedy otedy ytaiin otedy shor shal otedy okeedy shedy ypchol qokeedy raiin okain sheedy okedy okshy okal otaiin choldaiin ytaiin | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | voynich_render | voynich_render | null | {} | hard | en | 217 | 217 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
chinese-telegraph-v2-0108 | 1672 0538 1421 0472 0792 0012 0729 0538 0156 0285 1421 0918 1672 0012 1255 0219 0856 0918 0856 0285 1672 0538 1421 0472 0156 0472 0012 1255 0538 1421 1821 0347 0918 1255 0012 0729 0729 1672 0538 1421 0472 0347 0538 1255 0792 0856 0285 1346 1346 0538 0856 1421 0472 0285 1255 0538 0408 0472 1421 0012 1346 0408 0918 0219 ... | 1672 0538 1421 0472 0792 0012 0729 0538 0156 0285 1421 0918 1672 0012 1255 0219 0856 0918 0856 0285 1672 0538 1421 0472 0156 0472 0012 1255 0538 1421 1821 0347 0918 1255 0012 0729 0729 1672 0538 1421 0472 0347 0538 1255 0792 0856 0285 1346 1346 0538 0856 1421 0472 0285 1255 0538 0408 0472 1421 0012 1346 0408 0918 0219 ... | 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 | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 572 | 714 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0229 | AXDGDDGFAFAFDXGGDFFGAFADAXAGADGADFAFGXDAFADGDXDADAFDAAGAAFAAGAGDFFGXDXGGFAXDDXGFXDGFAFAGDFDXGXGDADAGFGXDFGDDAXXXAGFFDDAADDFGDGAAXDAGAFGDGAAAAFAADAGDGDDFGDDDDFDDDGAFXXDGDDFXDXAXGXAXDAADAFAAGAGFXFFAXAGXFAGXGDDAGDAGFGFGAAGFAGFXADFDDFGDAGDADDGDDDDADGAXAXGDDAAFXDGAFAAADAXGFXFFGAGDGXGDAFGAXDADFDFGXDXAFGGGAADFDADAAFADGGFDGGXG... | AXDGDDGFAFAFDXGGDFFGAFADAXAGADGADFAFGXDAFADGDXDADAFDAAGAAFAAGAGDFFGXDXGGFAXDDXGFXDGFAFAGDFDXGXGDADAGFGXDFGDDAXXXAGFFDDAADDFGDGAAXDAGAFGDGAAAAFAADAGDGDDFGDDDDFDDDGAFXXDGDDFXDXAXGXAXDAADAFAAGAGFXFFAXAGXFAGXGDDAGDAGFGFGAAGFAGFXADFDDFGDAGDADDGDDDDADGAXAXGDDAAFXDGAFAAADAXGFXFFGAGDGXGDAFGAXDADFDFGXDXAFGGGAADFDADAAFADGGFDGGXG... | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 350 | 350 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v2-0172 | 90 67 44 18 15 91 90 54 53 91 90 84 81 91 90 47 91 90 66 18 27 63 91 90 45 58 47 15 91 90 23 44 54 75 58 91 90 67 76 91 90 73 18 30 77 91 90 47 91 90 55 85 40 63 91 90 12 89 91 90 18 81 16 91 90 25 45 44 76 20 91 90 66 47 74 63 91 90 23 85 79 30 41 91 90 53 27 76 77 30 91 90 18 40 91 90 53 67 63 76 15 91 | 90 67 44 18 15 91 90 54 53 91 90 84 81 91 90 47 91 90 66 18 27 63 91 90 45 58 47 15 91 90 23 44 54 75 58 91 90 67 76 91 90 73 18 30 77 91 90 47 91 90 55 85 40 63 91 90 12 89 91 90 18 81 16 91 90 25 45 44 76 20 91 90 66 47 74 63 91 90 23 85 79 30 41 91 90 53 27 76 77 30 91 90 18 40 91 90 53 67 63 76 15 91 | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 204 | 305 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0725 | TEIAHTDTATNENBRRCDCEYEEEGIVLBNTRPNELAIEHIOAIHAESNASCTTRABTSRHSDWASAAUIIKTINEMNSTCA | TEIAHTDTATNENBRRCDCEYEEEGIVLBNTRPNELAIEHIOAIHAESNASCTTRABTSRHSDWASAAUIIKTINEMNSTCA | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1322 | JXU BEHT YI CO IXUFXUHT Y IXQBB DEJ MQDJ XU CQAUJX CU BYU TEMD YD WHUUD FQIJKHUI RO IJYBB MQJUHI | JXU BEHT YI CO IXUFXUHT Y IXQBB DEJ MQDJ XU CQAUJX CU BYU TEMD YD WHUUD FQIJKHUI RO IJYBB MQJUHI | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | caesar | caesar | substitution | {
"type": "shift",
"value": 16
} | beginner | en | 77 | 96 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0584 | GDGADADFVDAGDFAAGDADDDFADDDXGGDXXDAVDDGFVGVXXXXFVVXVAAFAAGDADDDAAFGFGFDAFGADAGXVVFDVVVVVGXFDGXVGDFDFXDGXVDGVDDVXGFFVXFDVDVXGGVADFDDAADFAAFFFFDAAFDADGAAAAAFD | GDGADADFVDAGDFAAGDADDDFADDDXGGDXXDAVDDGFVGVXXXXFVVXVAAFAAGDADDDAAFGFGFDAFGADAGXVVFDVVVVVGXFDGXVGDFDFXDGXVDGVDDVXGFFVXFDVDVXGGVADFDDAADFAAFFFFDAAFDADGAAAAAFD | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 156 | 156 | cipher_museum | 2.0 | public | null | null |
cda-0014985 | sharal raiin ytedy qokeedy dainy chol okshy otain raiin qokal kaiiin oror qokeedy sheol lkaiin okeedy ctaiin dal okshy choldaiin cheol ypchol oxed ctaiin shaiin daral chor cheol sheol cheol qotedy daiin ytaiin otaiin qokeedy kaiiin oxed qokal qokal dal daiin | sharal raiin ytedy qokeedy dainy chol okshy otain raiin qokal kaiiin oror qokeedy sheol lkaiin okeedy ctaiin dal okshy choldaiin cheol ypchol oxed ctaiin shaiin daral chor cheol sheol cheol qotedy daiin ytaiin otaiin qokeedy kaiiin oxed qokal qokal dal daiin | ATBASH ENCODES BY REVERSING THE ALPHABET PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | voynich_render | voynich_render | null | {} | hard | en | 218 | 218 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0010261 | HJUWS WOJIU MTBUS GIRJX NZWZF DRTPR XUXVB NMEUB BHUTM KCOUZ JZINU VLTAS LKOEQ FHTTL FWYMO ZPTTJ PB | HJUWS WOJIU MTBUS GIRJX NZWZF DRTPR XUXVB NMEUB BHUTM KCOUZ JZINU VLTAS LKOEQ FHTTL FWYMO ZPTTJ PB | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | trithemius | trithemius | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [] | |
bazeries-v3-0604 | MLYJHGDSNMGHDYNYIDMGSHOTLHELYROAJSXSFALXDSMYDGPYYLJGHMYFOGYMVSEHOGPBTGSLWL | MLYJHGDSNMGHDYNYIDMGSHOTLHELYROAJSXSFALXDSMYDGPYYLJGHMYFOGYMVSEHOGPBTGSLWL | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0002643 | SMN ZKXYUE ZJLKUU EOPJTJSQ YJUAYWBJ VSYR SMN CMGAKAHZ AGJEIANHZ YSHBZT NLJUYNI QA UEGNJZQYC IKW RNWBBQWY | SMN ZKXYUE ZJLKUU EOPJTJSQ YJUAYWBJ VSYR SMN CMGAKAHZ AGJEIANHZ YSHBZT NLJUYNI QA UEGNJZQYC IKW RNWBBQWY | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ATBASH ENCODES BY REVERSING THE ALPHABET | beaufort | beaufort | null | {
"key": "LIBRARY"
} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
caesar-es-084 | ET NGBHG ATVX ET YNXKST | ET NGBHG ATVX ET YNXKST | LA UNION HACE LA FUERZA | caesar | caesar | substitution | {
"type": "shift",
"value": 19
} | beginner | es | 19 | 23 | cipher_museum | 0.2 | public | null | null |
chaocipher-v3-0415 | DNZYKHFMUDDYMIKEWZHZFTLFSSZNNJBMRKGAYVOSTWMIIXXLWOJBGCXSSKLMVVMCVPVDTLQQTQSBINKPMNUKCJWJFAMTWOHEEOWOAPGOOLKNIXMBRHYDKFIGGPEMOYRTYHBSWCRFUOHRKLBMEFRUVXXMTGGZXIUIKSPFJARMCSPXDRIVKUVQHB | DNZYKHFMUDDYMIKEWZHZFTLFSSZNNJBMRKGAYVOSTWMIIXXLWOJBGCXSSKLMVVMCVPVDTLQQTQSBINKPMNUKCJWJFAMTWOHEEOWOAPGOOLKNIXMBRHYDKFIGGPEMOYRTYHBSWCRFUOHRKLBMEFRUVXXMTGGZXIUIKSPFJARMCSPXDRIVKUVQHB | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
cda-0008114 | LAUIOEECDTZAAKGOSAFESRJWNBUSAIIOPHFRUXELWTSFLDLGOKUWJLHDATIKLHKJMMEZURTDMOMIOHLSQUNTHWZFEIIZOTFXETTRTVFPXA | LAUIOEECDTZAAKGOSAFESRJWNBUSAIIOPHFRUXELWTSFLDLGOKUWJLHDATIKLHKJMMEZURTDMOMIOHLSQUNTHWZFEIIZOTFXETTRTVFPXA | A STRONG CLAIM NEEDS STRONG EVIDENCE THE BEST LESSONS SHOW WHERE THE METHOD FAILS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | autokey | autokey | null | {
"primer": "LIBRARY"
} | hard | en | 106 | 106 | synthetic_educational | null | null | [] | |
cardano-autokey-v2-0403 | OKLMLUVNOZVZND | OKLMLUVNOZVZND | TRUST BUT VERIFY | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0127 | TOZCPDPZELJZXXGKJX | TOZCPDPZELJZXXGKJX | GRAVITY EXPLAINS ALL | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v2-0041 | 90 81 60 52 91 90 55 61 87 10 91 90 22 60 33 55 10 56 63 24 91 90 28 43 91 90 34 42 55 91 90 39 89 52 82 91 90 42 31 10 54 85 91 90 23 81 26 56 91 90 86 89 49 91 90 61 54 87 53 21 91 90 55 23 81 10 91 90 55 42 60 82 91 | 90 81 60 52 91 90 55 61 87 10 91 90 22 60 33 55 10 56 63 24 91 90 28 43 91 90 34 42 55 91 90 39 89 52 82 91 90 42 31 10 54 85 91 90 23 81 26 56 91 90 86 89 49 91 90 61 54 87 53 21 91 90 55 23 81 10 91 90 55 42 60 82 91 | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
vigenere-124 | TMCKIQXWJZEKOQSUMXJB | TMCKIQXWJZEKOQSUMXJB | RENDEZVOUS AT MIDNIGHT | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
cda-0020226 | -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - ...... | -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - ...... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES TODAY | morse_code | morse_code | null | {} | hard | en | 201 | 201 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
trifid-v2-0266 | OWHHLEIJMAIJAO | OWHHLEIJMAIJAO | PRESS THE ATTACK | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0250 | 7DSVR3VYMKPZV4GKFHVCQ6MCBA5UIMDVJ4LPLHAA7YGMMMX7YYZBBU32DFCMTTLP2SDRA4GMN46TVSMQHZGQZAPJDTJPKPJTXVYZBXVQYYKBPR3KJGMBZCUDFHXWX3PKFLC3WGGOAATLDGMB7CLD3VHVUYZ2VGTX4IMC | 7DSVR3VYMKPZV4GKFHVCQ6MCBA5UIMDVJ4LPLHAA7YGMMMX7YYZBBU32DFCMTTLP2SDRA4GMN46TVSMQHZGQZAPJDTJPKPJTXVYZBXVQYYKBPR3KJGMBZCUDFHXWX3PKFLC3WGGOAATLDGMB7CLD3VHVUYZ2VGTX4IMC | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0029 | 108 144 122 124 142 172 145 178 124 166 165 129 171 | 108 144 122 124 142 172 145 178 124 166 165 129 171 | THE REDCOATS ARE COMING | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 39 | 51 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0415 | QFOTIIXPVXOFCEJRZWIXDAQEGOIJKMYQUMDZKNDCHOIJNQVMCUSKMAYFOVURABEPNSBJSDXKLCWLKBFDKQZYQFYSQHSQZTYZHMBRHNFFFSDOBIBHMHUWAXFHMELPMGZUDPOKTJKRUBAWOYHMOKLRBMOFZOJEQODRGQEGIKQPEJHWYBMQJMABXH | QFOTIIXPVXOFCEJRZWIXDAQEGOIJKMYQUMDZKNDCHOIJNQVMCUSKMAYFOVURABEPNSBJSDXKLCWLKBFDKQZYQFYSQHSQZTYZHMBRHNFFFSDOBIBHMHUWAXFHMELPMGZUDPOKTJKRUBAWOYHMOKLRBMOFZOJEQODRGQEGIKQPEJHWYBMQJMABXH | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0259 | TWL QLDGS GEVOQBOG EK D YOIILW WLLG DKG SLQQY E ALUIG KLT TQDVOI RLTC DKG RO LKO TQDVOIOQ | TWL QLDGS GEVOQBOG EK D YOIILW WLLG DKG SLQQY E ALUIG KLT TQDVOI RLTC DKG RO LKO TQDVOIOQ | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "DRAGON"
} | beginner | en | 72 | 89 | cipher_museum | 2.0 | public | null | null |
cda-0004137 | XEKFT PTSMO KDOHS VBMRT BGMUJ PBUTN HLHZE ECWHK HJUAZ GEJLE VBPES AVBVN PEEXJ SVFLB KLOUA HVLYV CFVLC EFRQF QUSOC XVTLH YDWFH NRVXV VWEXX ZFAII NBRAZ DBXVU ZTHHR YIMDL NGGZH APRXS IVIVW NIWXM QBEMK MTC | XEKFT PTSMO KDOHS VBMRT BGMUJ PBUTN HLHZE ECWHK HJUAZ GEJLE VBPES AVBVN PEEXJ SVFLB KLOUA HVLYV CFVLC EFRQF QUSOC XVTLH YDWFH NRVXV VWEXX ZFAII NBRAZ DBXVU ZTHHR YIMDL NGGZH APRXS IVIVW NIWXM QBEMK MTC | FAIL CLOSED IS A POSTURE NOT A SLOGAN PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | autokey | autokey | null | {
"primer": "SECURE"
} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
four-square-v2-0357 | SBOLAMTASADLAY | SBOLAMTASADLAY | THE PASS IS HELD | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0059 | 35 37 56 86 37 30 56 35 88 69 28 28 52 36 69 88 34 57 52 36 56 66 28 46 55 56 79 88 38 30 72 24 57 57 28 69 56 35 66 59 25 59 46 54 79 66 28 59 46 27 87 75 66 40 66 46 66 86 28 37 42 54 56 95 28 29 33 63 56 57 44 30 63 55 | 35 37 56 86 37 30 56 35 88 69 28 28 52 36 69 88 34 57 52 36 56 66 28 46 55 56 79 88 38 30 72 24 57 57 28 69 56 35 66 59 25 59 46 54 79 66 28 59 46 27 87 75 66 40 66 46 66 86 28 37 42 54 56 95 28 29 33 63 56 57 44 30 63 55 | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0213 | 5488 5060 5645 4998 4361 5563 4614 4427 5563 5397 5645 4934 5166 4427 5563 5488 | 5488 5060 5645 4998 4361 5563 4614 4427 5563 5397 5645 4934 5166 4427 5563 5488 | SOUND THE TRUMPETS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 64 | 79 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0761 | LNVVAACASYERCAD | LNVVAACASYERCAD | CAVALRY ADVANCES | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0728 | NHNLIQDEKLFMKRCFYLWLTECOSMUGSEPIAVCTVZXEVBJSYJHFKJVKQKXIILQPROPHELUJRRVORHWOUN | NHNLIQDEKLFMKRCFYLWLTECOSMUGSEPIAVCTVZXEVBJSYJHFKJVKQKXIILQPROPHELUJRRVORHWOUN | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0648 | OXIUESNXRPDRANBQPRLMABRURPRODMNXHIGVQIOCURPRENNQTERPQIEBMLXOHDBPFHLEOQILGFXTVPQFTXGWQIHOFWHDPMFENWLPENOLABOVQVKHPOQTALSRFHLEWGNCPOQDXFLEHTBXRQILRKHOFTXROVNPFHMENW | OXIUESNXRPDRANBQPRLMABRURPRODMNXHIGVQIOCURPRENNQTERPQIEBMLXOHDBPFHLEOQILGFXTVPQFTXGWQIHOFWHDPMFENWLPENOLABOVQVKHPOQTALSRFHLEWGNCPOQDXFLEHTBXRQILRKHOFTXROVNPFHMENW | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 162 | 162 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0635 | FDFFDFGGFAFAADGGFFXGAGFGGAGAAGADGAGDXGAGGDFGAFGFAAGAGGAGDFADXGDXAAFAGFFAFDAXDAXDDFFXGXAADFDGAGAGFADAFGAFGAXGFDGADDGFDAXDFGAGFFGFFAAAGAAGGFAAAFDFGFDX | FDFFDFGGFAFAADGGFFXGAGFGGAGAAGADGAGDXGAGGDFGAFGFAAGAGGAGDFADXGDXAAFAGFFAFDAXDAXDDFFXGXAADFDGAGAGFADAFGAFGAXGFDGADDGFDAXDFGAGFFGFFAAAGAAGGFAAAFDFGFDX | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
nihilist-093 | 65 57 94 30 79 49 67 57 66 30 66 78 88 86 64 46 57 85 49 79 58 39 60 56 78 59 86 37 57 58 47 67 87 36 57 45 66 59 58 50 66 88 | 65 57 94 30 79 49 67 57 66 30 66 78 88 86 64 46 57 85 49 79 58 39 60 56 78 59 86 37 57 58 47 67 87 36 57 45 66 59 58 50 66 88 | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | nihilist | nihilist | fractionation | {
"polybius": "CIPHER",
"keyword": "MUSEUM"
} | advanced | en | 84 | 125 | cipher_museum | 0.2 | public | null | null |
lorenz-v2-0051 | GENERALGRANTHASTAKENVICKWBURGTHEHREATVIVERISNOWOPENFRKMITSSOURCETOTHESEA | GENERALGRANTHASTAKENVICKWBURGTHEHREATVIVERISNOWOPENFRKMITSSOURCETOTHESEA | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
typex-105 | VQZTVGKHONDYGOMOHYOKFRSCZXEEMDFNUYVUJYPUNVGQBN | VQZTVGKHONDYGOMOHYOKFRSCZXEEMDFNUYVUJYPUNVGQBN | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | typex | typex | machine | {
"type": "keyword",
"value": "BLETCHLEY"
} | expert | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v3-0067 | RKHAMBRYSHGQLEYXCGYYADYOOZYOUILMRHZBQFHUEXQEYQXQYYMUAILQCZZGYZDGJBBQIHPGC | RKHAMBRYSHGQLEYXCGYYADYOOZYOUILMRHZBQFHUEXQEYQXQYYMUAILQCZZGYZDGJBBQIHPGC | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0011755 | RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA | RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 41 | 41 | synthetic_educational | null | null | [] | |
cda-0014474 | 846 862 804 834 826 807 999 825 841 817 853 801 856 858 853 861 807 859 861 852 814 999 809 814 856 813 853 863 813 856 999 808 802 851 813 815 862 834 999 809 813 854 824 820 841 999 853 842 860 857 812 999 806 825 845 821 814 853 854 999 852 814 801 811 999 800 999 818 853 825 809 999 826 839 999 802 999 847 853 814 ... | 846 862 804 834 826 807 999 825 841 817 853 801 856 858 853 861 807 859 861 852 814 999 809 814 856 813 853 863 813 856 999 808 802 851 813 815 862 834 999 809 813 854 824 820 841 999 853 842 860 857 812 999 806 825 845 821 814 853 854 999 852 814 801 811 999 800 999 818 853 825 809 999 826 839 999 802 999 847 853 814 ... | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | culper_ring | culper_ring | null | {} | hard | en | 188 | 188 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
monoalphabetic-v2-0932 | CLLR KECDT CLLR KECDT MHQTEKC ES SUND SWAAT SLQQLW TDHT E SDHII SHY CLLR KECDT TEII JLQQLW | CLLR KECDT CLLR KECDT MHQTEKC ES SUND SWAAT SLQQLW TDHT E SDHII SHY CLLR KECDT TEII JLQQLW | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "HONOR"
} | beginner | en | 74 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0017089 | 2878 04465 1342 01607 07607 04720 01972 01021 4722 02872 04419 0944 02827 01313 1624 04461 00952 01630 4124 01609 00334 06034 6597 05736 01629 6048 03791 1613 6303 06336 1603 5694 1932 05684 01596 5347 6684 01656 04489 1022 7922 1308 02868 06029 06374 05696 2855 00719 6638 6352 02877 04714 4439 6367 02551 01610 5074 38... | 2878 04465 1342 01607 07607 04720 01972 01021 4722 02872 04419 0944 02827 01313 1624 04461 00952 01630 4124 01609 00334 06034 6597 05736 01629 6048 03791 1613 6303 06336 1603 5694 1932 05684 01596 5347 6684 01656 04489 1022 7922 1308 02868 06029 06374 05696 2855 00719 6638 6352 02877 04714 4439 6367 02551 01610 5074 38... | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | zimmermann | zimmermann | null | {} | hard | en | 223 | 223 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
porta-294 | BWQPGZNGZBDCKFZTGALLSRSQHPOMGMIGWQBZTFYWXAMSUCNTKEXHSNJSSEOYKZ | BWQPGZNGZBDCKFZTGALLSRSQHPOMGMIGWQBZTFYWXAMSUCNTKEXHSNJSSEOYKZ | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
cda-0017921 | ... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ... | ... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | tap_code | tap_code | null | {} | hard | en | 187 | 187 | 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. |
fialka-v2-0352 | VEMRZGJRJKGGMUTECUNHBBIXYDGVNADQXMQZCCGKTFDWDHQZKDAUMICWLWXUVZZZMAVWF | VEMRZGJRJKGGMUTECUNHBBIXYDGVNADQXMQZCCGKTFDWDHQZKDAUMICWLWXUVZZZMAVWF | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
null-cipher-v3-0073 | that each have outc to him help sraa this this help too outi down it its about water aeiu before | that each have outc to him help sraa this this help too outi down it its about water aeiu before | THE COMPASS POINTS TRUE | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "last"
} | advanced | en | 77 | 96 | cipher_museum | 2.0 | public | null | null |
diana-v3-0584 | DQFPRCTUUZAUPTFRZMEJXBDPTRQGBHSQILWWOAXEYPJSBFQKZSUFREXQYJEXAPYQNOSRYEZGYA | DQFPRCTUUZAUPTFRZMEJXBDPTRQGBHSQILWWOAXEYPJSBFQKZSUFREXQYJEXAPYQNOSRYEZGYA | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
zimmermann-v2-0126 | 99999 90022 90004 99998 00000 00058 00001 00000 00106 00107 00004 99999 90014 90017 90003 90004 90017 99998 00003 99999 90005 90014 90017 90012 99998 00005 99999 90012 90014 90017 90004 99998 99999 90015 90004 90017 90005 90004 90002 90019 99998 99999 90020 90013 90008 90014 90013 99998 99999 90004 90018 90019 90000 90... | 99999 90022 90004 99998 00000 00058 00001 00000 00106 00107 00004 99999 90014 90017 90003 90004 90017 99998 00003 99999 90005 90014 90017 90012 99998 00005 99999 90012 90014 90017 90004 99998 99999 90015 90004 90017 90005 90004 90002 90019 99998 99999 90020 90013 90008 90014 90013 99998 99999 90004 90018 90019 90000 90... | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 930 | 1,115 | cipher_museum | 2.0 | public | null | null |
rail-fence-vg-0095 | CWHOSTYAOROTEYUTSSABHHNMUROLDRHHEBDITDMOKTONTGAELESAIYSNRAHULBIHGETUDOLSR | CWHOSTYAOROTEYUTSSABHHNMUROLDRHHEBDITDMOKTONTGAELESAIYSNRAHULBIHGETUDOLSR | COMMIT YOUR WORKS UNTO THE LORD AND YOUR THOUGHTS SHALL BE ESTABLISHED BY HIS GREAT HAND | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0271 | FBQGDYRALELWTMHITFTGWDLNQHHRBSNDZRBFDMNQBZFECJLWAVGALKXVETXWLLWEBPFERMVIVSAWB | FBQGDYRALELWTMHITFTGWDLNQHHRBSNDZRBFDMNQBZFECJLWAVGALKXVETXWLLWEBPFERMVIVSAWB | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
vigenere-598 | XLENMSIMIIRYKCIXZIEUYCIWSMNETFNABXSIJJVKZIDIICREMXONMSXEPVYIKUFWGSRNMSVTSXHCXHYXMSRXXOEWULEZZZCGFWSNMSIXPJTBJKFKMHAHIHYXZXHUYRNXMPTBJFVBO | XLENMSIMIIRYKCIXZIEUYCIWSMNETFNABXSIJJVKZIDIICREMXONMSXEPVYIKUFWGSRNMSVTSXHCXHYXMSRXXOEWULEZZZCGFWSNMSIXPJTBJKFKMHAHIHYXZXHUYRNXMPTBJFVBO | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
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