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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
kryptos-v2-0121 | GKEUSTZCKUZMUDFNFHLFDUSFLAJUDCDYMZXBMKVNQBZWCILRQZGOGPUQEZXDMZLUSTWRFSJXZSMPCZECHEJSGOXUIMCNKHDALOVMJXGMMIXTZZTNDJFMVHKRUNKVDXDYMOXFDZLJCTDZGILTXZBZHT | GKEUSTZCKUZMUDFNFHLFDUSFLAJUDCDYMZXBMKVNQBZWCILRQZGOGPUQEZXDMZLUSTWRFSJXZSMPCZECHEJSGOXUIMCNKHDALOVMJXGMMIXTZZTNDJFMVHKRUNKVDXDYMOXFDZLJCTDZGILTXZBZHT | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
pigpen-032 | ┼• ┼ ╲• ┼ ┐• ┐ ┼• ╳ ┼ ┐• ┐• ╱ ┌• ╳ ▽ ┤• ╱ ┐• ┼ ┼• ┼ ├• ▽ ╳• ┬ ┼ ┼• ┬ ┼ ┐ ╲ ├• ⌐ ┴• ┐ ┼• ┌ ⌐ ├• ┐ ╲ ╳ ⌐ ┴• ┼ | ┼• ┼ ╲• ┼ ┐• ┐ ┼• ╳ ┼ ┐• ┐• ╱ ┌• ╳ ▽ ┤• ╱ ┐• ┼ ┼• ┼ ├• ▽ ╳• ┬ ┼ ┼• ┬ ┼ ┐ ╲ ├• ⌐ ┴• ┐ ┼• ┌ ⌐ ├• ┐ ╲ ╳ ⌐ ┴• ┼ | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 63 | 107 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v3-0103 | 90 45 33 60 52 28 81 76 91 90 31 63 33 56 82 40 87 34 91 90 13 61 42 91 90 59 53 89 38 54 91 90 55 23 56 91 90 12 81 14 87 85 54 24 56 91 90 50 49 63 14 60 54 91 152 90 76 81 37 61 28 34 56 91 90 84 54 72 42 53 56 91 90 10 23 54 91 90 43 56 48 89 85 21 91 90 45 42 63 52 82 91 90 13 87 53 91 90 81 60 24 89 91 90 37 42 3... | 90 45 33 60 52 28 81 76 91 90 31 63 33 56 82 40 87 34 91 90 13 61 42 91 90 59 53 89 38 54 91 90 55 23 56 91 90 12 81 14 87 85 54 24 56 91 90 50 49 63 14 60 54 91 152 90 76 81 37 61 28 34 56 91 90 84 54 72 42 53 56 91 90 10 23 54 91 90 43 56 48 89 85 21 91 90 45 42 63 52 82 91 90 13 87 53 91 90 81 60 24 89 91 90 37 42 3... | 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 | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 450 | 673 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0454 | GXDPXJWFDQGHFTJEXMJABNKKFJEQGXDDBSBZEZIXEKPHBFLVQDUTCDYPLBZQSSEQVSVHSEXHFMXSJ | GXDPXJWFDQGHFTJEXMJABNKKFJEQGXDDBSBZEZIXEKPHBFLVQDUTCDYPLBZQSSEQVSVHSEXHFMXSJ | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
polybius-v3-0035 | 44 23 15 11 35 35 31 15 21 11 31 31 43 | 44 23 15 11 35 35 31 15 21 11 31 31 43 | THE APPLE FALLS | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 26 | 38 | cipher_museum | 2.0 | public | null | null |
cda-0017109 | --. .-. --- -. ... ..-. . .-.. -.. / ..- ... . ... / .- / -.. .. --. .. - / ... . --.- ..- . -. -.-. . / .- ... / - .... . / .-. . .--. . .- - .. -. --. / -.- . -.-- / .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. .. -... . -.. / --. . --- -- .... | --. .-. --- -. ... ..-. . .-.. -.. / ..- ... . ... / .- / -.. .. --. .. - / ... . --.- ..- . -. -.-. . / .- ... / - .... . / .-. . .--. . .- - .. -. --. / -.- . -.-- / .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. .. -... . -.. / --. . --- -- .... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE BEST LESSONS SHOW WHERE THE METHOD FAILS | morse_code | morse_code | null | {} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
kryptos-v3-0034 | EOLZSYZQVQJPQNXQE | EOLZSYZQVQJPQNXQE | OLD IRONSIDES HOLDS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0269 | AFDMELYCBHIODCEKTAIYXILARYFTUPEFIXMIJNWIHCKIEETDIUWHUWYWOTERYBNEIMNETNUCUDOQ | AFDMELYCBHIODCEKTAIYXILARYFTUPEFIXMIJNWIHCKIEETDIUWHUWYWOTERYBNEIMNETNUCUDOQ | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
affine-v2-1601 | BHC XEXAROBKR DFKB BK EIIEIIAREBC WUCCR CFALEXCBH GEI URQKNCPCJ XS VPERQAI GEFIAROHEY AR BAYC | BHC XEXAROBKR DFKB BK EIIEIIAREBC WUCCR CFALEXCBH GEI URQKNCPCJ XS VPERQAI GEFIAROHEY AR BAYC | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | affine | affine | substitution | {
"a": 19,
"b": 4
} | beginner | en | 80 | 93 | cipher_museum | 2.0 | public | null | null |
copiale-169 | Q2 K6 I5 B1 H1 N9 O2 K1 S7 W1 H1 I5 I7 Q2 R1 B0 S7 S3 Y7 K7 M9 A6 S0 X5 A6 S8 Q4 N2 R5 A3 B8 D6 L6 P5 N8 E4 N0 Q4 Q0 X8 X9 H1 I5 I0 K5 K0 S3 O2 J5 K2 I6 E2 S4 A3 L9 | Q2 K6 I5 B1 H1 N9 O2 K1 S7 W1 H1 I5 I7 Q2 R1 B0 S7 S3 Y7 K7 M9 A6 S0 X5 A6 S8 Q4 N2 R5 A3 B8 D6 L6 P5 N8 E4 N0 Q4 Q0 X8 X9 H1 I5 I0 K5 K0 S3 O2 J5 K2 I6 E2 S4 A3 L9 | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | copiale | copiale | substitution | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 110 | 164 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v2-0393 | FUMZCUMHEKXQICTV | FUMZCUMHEKXQICTV | ABORT AND WITHDRAW | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0019114 | ⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w... | ⟨w10⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨w22⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a13⟩ ⟨w20⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION FAIL CLOSED IS A POSTURE NOT A SLOGAN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY CAREFULLY | babington | babington | null | {} | hard | en | 183 | 183 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
caesar-v3-1264 | ULWBYLM NI NBY QUFFM | ULWBYLM NI NBY QUFFM | ARCHERS TO THE WALLS | caesar | caesar | substitution | {
"type": "shift",
"value": 20
} | beginner | en | 17 | 20 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-367 | POHMQ FANNAHG GHV | POHMQ FANNAHG GHV | ABORT MISSION NOW | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "POLYBIUS"
} | beginner | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
great-cipher-108 | 179 151 127 169 118 182 107 177 175 117 133 174 175 147 127 169 116 132 163 151 121 134 172 127 169 141 131 156 118 127 127 169 131 130 107 175 101 143 151 111 116 147 181 153 110 163 143 | 179 151 127 169 118 182 107 177 175 117 133 174 175 147 127 169 116 132 163 151 121 134 172 127 169 141 131 156 118 127 127 169 131 130 107 175 101 143 151 111 116 147 181 153 110 163 143 | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 141 | 187 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0058 | SZYBBBAKZZWFOWBFTUKRIPORFNIGVZEQOPVVHBQVAOIIDXZZMWIDAUAHFPTGHDCJQWQCWGOJCX | SZYBBBAKZZWFOWBFTUKRIPORFNIGVZEQOPVVHBQVAOIIDXZZMWIDAUAHFPTGHDCJQWQCWGOJCX | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0009156 | MCIKT EORSE ENDYN NRCEP OBFYR TTYRX NIBLE XEORE QXNNO TUX | MCIKT EORSE ENDYN NRCEP OBFYR TTYRX NIBLE XEORE QXNNO TUX | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | scytale | scytale | null | {
"cols": 8
} | medium | en | 48 | 48 | synthetic_educational | null | null | [] | |
culper-ring-v2-0039 | 998 819 814 817 815 804 803 814 999 998 800 822 800 824 999 127 998 807 800 813 803 818 999 998 801 817 800 802 804 999 | 998 819 814 817 815 804 803 814 999 998 800 822 800 824 999 127 998 807 800 813 803 818 999 998 801 817 800 802 804 999 | TORPEDO AWAY ALL HANDS BRACE | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 90 | 119 | cipher_museum | 2.0 | public | null | null |
chaocipher-086 | WPOANMPTKGOAMMD | WPOANMPTKGOAMMD | FORWARD MARCH NOW | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0020640 | raiin sheedy chol dal aiiin chedal otain okal oror choldaiin okeedy qokeedy chedy okain okshy lkaiin sheedy otedy qotedy ytedy dal qokal qokedy chedal sharal shedy dainy dainy kaiiin raiin otaiin shedy otol okain lkaiin ctaiin raiin otol ytaiin otaiin oror okal ykcheol okedy cheol otedy shaiin choldaiin ctaiin otaiin d... | raiin sheedy chol dal aiiin chedal otain okal oror choldaiin okeedy qokeedy chedy okain okshy lkaiin sheedy otedy qotedy ytedy dal qokal qokedy chedal sharal shedy dainy dainy kaiiin raiin otaiin shedy otol okain lkaiin ctaiin raiin otol ytaiin otaiin oror okal ykcheol okedy cheol otedy shaiin choldaiin ctaiin otaiin d... | FAIL CLOSED IS A POSTURE NOT A SLOGAN CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | voynich_render | voynich_render | null | {} | hard | en | 293 | 293 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
hill-282 | VDJPVCXLXTNIQSMHZBPIFJOWUYVMMORNRDASCMCGBYOERKHPVZHYGYWRJHWKDGOK | VDJPVCXLXTNIQSMHZBPIFJOWUYVMMORNRDASCMCGBYOERKHPVZHYGYWRJHWKDGOK | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | hill | hill | polygraphic | {
"a": 7,
"b": 5,
"c": 2,
"d": 3
} | advanced | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
cda-0002203 | TXQ VUZGYM LSATRF TDTJRJOO AGFRBRKW BOAP CGZ BBZNRZML UGLEYAEUU KSSKZBUI | TXQ VUZGYM LSATRF TDTJRJOO AGFRBRKW BOAP CGZ BBZNRZML UGLEYAEUU KSSKZBUI | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS HONESTLY | trithemius | trithemius | null | {} | medium | en | 63 | 63 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0007130 | RVMG DNWI IEGA JKFK WIMU UBTM PWSU QSNL BTSJ HCMW UOJN WU | RVMG DNWI IEGA JKFK WIMU UBTM PWSU QSNL BTSJ HCMW UOJN WU | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | gronsfeld | gronsfeld | null | {
"key": "27183"
} | medium | en | 46 | 46 | synthetic_educational | null | null | [] | |
geheimschreiber-060 | RUBFZHXSUNRIKMRUMPRNSCSBXFSCLKHEPYVWRGUMJCWCKXHIFBKRUFXWBFQFXPYBNEVYAJRPMUTCKIVLKDPZFUHYLZFBBMRRDVWMDYSCYNTNRXFVCUHXNEIAKAKCPMTCWUYSIVDVZUYFYXZ | RUBFZHXSUNRIKMRUMPRNSCSBXFSCLKHEPYVWRGUMJCWCKXHIFBKRUFXWBFQFXPYBNEVYAJRPMUTCKIVLKDPZFUHYLZFBBMRRDVWMDYSCYNTNRXFVCUHXNEIAKAKCPMTCWUYSIVDVZUYFYXZ | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
babington-v3-0089 | ⟨a13⟩ ⟨a05⟩ ⟨n04⟩ ⟨w28⟩ ⟨n04⟩ ⟨w02⟩ ⟨w20⟩ ⟨w26⟩ ⟨a14⟩ ⟨a02⟩ ⟨a20⟩ ⟨a14⟩ ⟨a05⟩ ⟨w28⟩ ⟨w20⟩ ⟨w26⟩ ⟨w07⟩ ⟨a11⟩ ⟨w01⟩ ⟨a09⟩ | ⟨a13⟩ ⟨a05⟩ ⟨n04⟩ ⟨w28⟩ ⟨n04⟩ ⟨w02⟩ ⟨w20⟩ ⟨w26⟩ ⟨a14⟩ ⟨a02⟩ ⟨a20⟩ ⟨a14⟩ ⟨a05⟩ ⟨w28⟩ ⟨w20⟩ ⟨w26⟩ ⟨w07⟩ ⟨a11⟩ ⟨w01⟩ ⟨a09⟩ | THE REDCOATS ARE COMING | babington | babington | nomenclator | {
"type": "seed",
"value": "SCOTLAND"
} | expert | en | 100 | 119 | cipher_museum | 2.0 | public | null | null |
kama-sutra-057 | FQ FW PYQGJP IBP VW QB OJ GJPJ LJLFNYQJL QB QGJ HPJYQ QYWZ PJXYFCFCH OJIBPJ VW QGYQ IPBX QGJWJ GBCBPJL LJYL SJ QYZJ FCNPJYWJL LJUBQFBC QB QGYQ NYVWJ IBP SGFNG QGJA HYUJ QGJ DYWQ IVDD XJYWVPJ | FQ FW PYQGJP IBP VW QB OJ GJPJ LJLFNYQJL QB QGJ HPJYQ QYWZ PJXYFCFCH OJIBPJ VW QGYQ IPBX QGJWJ GBCBPJL LJYL SJ QYZJ FCNPJYWJL LJUBQFBC QB QGYQ NYVWJ IBP SGFNG QGJA HYUJ QGJ DYWQ IVDD XJYWVPJ | 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 | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "KAMASUTRA"
} | intermediate | en | 155 | 190 | cipher_museum | 0.2 | public | null | null |
red-type-a-v2-0276 | FVOHAJWFWYKIIYWT | FVOHAJWFWYKIIYWT | THE WALLS HAVE EARS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0301 | DKQQZGUTNZMRIXIZSBHEKKGAUTXZIKKUQTIMUIXQIHFBXVARTMCYVIMRLNVDXWPVRDPEPTBSHHPTSXYU | DKQQZGUTNZMRIXIZSBHEKKGAUTXZIKKUQTIMUIXQIHFBXVARTMCYVIMRLNVDXWPVRDPEPTBSHHPTSXYU | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0198 | IMEHETEABTTARMIRIDHLNDOTSONNOOTNVBBTSAUOOAEUERITGFSKAOTELNHAPALDTETEL | IMEHETEABTTARMIRIDHLNDOTSONNOOTNVBBTSAUOOAEUERITGFSKAOTELNHAPALDTETEL | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0012956 | GUIDE ROADS OTHER NOTES SHORE FLANK EXACT LOCAL DAILY UNITE SHORE EXTRA SWIFT AFTER DRAFT INTEL GROUP INNER THREE SHORE ENEMY QUOTA UNTIL EIGHT NAVAL | GUIDE ROADS OTHER NOTES SHORE FLANK EXACT LOCAL DAILY UNITE SHORE EXTRA SWIFT AFTER DRAFT INTEL GROUP INNER THREE SHORE ENEMY QUOTA UNTIL EIGHT NAVAL | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE ARCHITECTURE SHOULD MAKE MISUSE HARDER BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | 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. |
lorenz-v3-0411 | CALLNEISHMAELSOMEYEARSAGONEVERMINDHOWLONGPRECJSELYITHOUGHTIWOULDSAILABOUTANDSEETHEOCEAM | CALLNEISHMAELSOMEYEARSAGONEVERMINDHOWLONGPRECJSELYITHOUGHTIWOULDSAILABOUTANDSEETHEOCEAM | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
cda-0002738 | ZXYBA WZXYI JKACU FKABE ZZRRQ AKBKA STNNR DOLBW DROPO CJLKQ PQRCL TYBYA BZCMG CHQKQ OWAEN GZLYN YHDLS MRGLE FLVQR NQXUB NCZKL QZXEK RRFEI AQMZK AAVUA BON | ZXYBA WZXYI JKACU FKABE ZZRRQ AKBKA STNNR DOLBW DROPO CJLKQ PQRCL TYBYA BZCMG CHQKQ OWAEN GZLYN YHDLS MRGLE FLVQR NQXUB NCZKL QZXEK RRFEI AQMZK AAVUA BON | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER FAIL CLOSED IS A POSTURE NOT A SLOGAN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | beaufort | beaufort | null | {
"key": "SECURE"
} | hard | en | 128 | 128 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
cda-0021640 | 20 8 5 1 18 3 8 9 20 5 3 20 21 18 5 19 8 15 21 12 4 13 1 11 5 13 9 19 21 19 5 8 1 18 4 5 18 | 20 8 5 1 18 3 8 9 20 5 3 20 21 18 5 19 8 15 21 12 4 13 1 11 5 13 9 19 21 19 5 8 1 18 4 5 18 | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
lorenz-v3-0384 | THEPQINTINGPRESSCHANGESALL | THEPQINTINGPRESSCHANGESALL | THE PRINTING PRESS CHANGES ALL | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
commercial-code-v2-0119 | BABAB ZUZUZ KAZUZ LAZUZ XAZUZ ZAZUZ SAZUZ WAZUZ GEZUZ XUZUZ CABAB ZUZUZ DAZUZ WAZUZ GEZUZ TAZUZ ZAZUZ SAZUZ PAZUZ SAZUZ JAZUZ GEZUZ XUZUZ HABAB ZUZUZ BAZUZ XUZUZ ZUZUZ CAZUZ BAZUZ ZAZUZ ZAZUZ PAZUZ GAZUZ XUZUZ CABAB ZUZUZ DEZUZ LAZUZ ZAZUZ XAZUZ XUZUZ ZUZUZ CAZUZ GAZUZ ZAZUZ DEZUZ GAZUZ GAZUZ RAZUZ XUZUZ ZUZUZ ZAZUZ KA... | BABAB ZUZUZ KAZUZ LAZUZ XAZUZ ZAZUZ SAZUZ WAZUZ GEZUZ XUZUZ CABAB ZUZUZ DAZUZ WAZUZ GEZUZ TAZUZ ZAZUZ SAZUZ PAZUZ SAZUZ JAZUZ GEZUZ XUZUZ HABAB ZUZUZ BAZUZ XUZUZ ZUZUZ CAZUZ BAZUZ ZAZUZ ZAZUZ PAZUZ GAZUZ XUZUZ CABAB ZUZUZ DEZUZ LAZUZ ZAZUZ XAZUZ XUZUZ ZUZUZ CAZUZ GAZUZ ZAZUZ DEZUZ GAZUZ GAZUZ RAZUZ XUZUZ ZUZUZ ZAZUZ KA... | 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 | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 1,030 | 1,235 | cipher_museum | 2.0 | public | null | null |
commercial-code-v3-0001 | BABAB ZUZUZ SAZUZ WAZUZ BAZUZ DAZUZ PAZUZ GAZUZ XUZUZ ZUZUZ KAZUZ BAZUZ XAZUZ XUZUZ ZUZUZ XAZUZ TAZUZ SAZUZ NAZUZ GAZUZ RAZUZ XUZUZ | BABAB ZUZUZ SAZUZ WAZUZ BAZUZ DAZUZ PAZUZ GAZUZ XUZUZ ZUZUZ KAZUZ BAZUZ XAZUZ XUZUZ ZUZUZ XAZUZ TAZUZ SAZUZ NAZUZ GAZUZ RAZUZ XUZUZ | THE ORACLE HAS SPOKEN | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 110 | 131 | cipher_museum | 2.0 | public | null | null |
cda-0019303 | 13.3.10 11.5.10 9.2.10 16.1.8 7.3.6 19.6.1 15.5.1 10.4.7 12.1.1 18.6.1 3.4.7 6.5.2 5.4.5 18.5.2 3.3.3 15.4.5 6.6.7 12.2.10 17.5.10 17.6.6 12.3.7 20.6.3 10.1.4 19.2.9 7.1.1 3.3.4 12.2.10 1.5.2 15.6.5 17.1.3 4.5.3 7.2.9 16.1.8 18.6.5 11.4.8 17.5.5 3.3.7 16.1.7 10.3.7 5.6.6 18.6.10 18.2.4 8.3.4 6.3.5 4.4.4 16.3.3 16.3.10 ... | 13.3.10 11.5.10 9.2.10 16.1.8 7.3.6 19.6.1 15.5.1 10.4.7 12.1.1 18.6.1 3.4.7 6.5.2 5.4.5 18.5.2 3.3.3 15.4.5 6.6.7 12.2.10 17.5.10 17.6.6 12.3.7 20.6.3 10.1.4 19.2.9 7.1.1 3.3.4 12.2.10 1.5.2 15.6.5 17.1.3 4.5.3 7.2.9 16.1.8 18.6.5 11.4.8 17.5.5 3.3.7 16.1.7 10.3.7 5.6.6 18.6.10 18.2.4 8.3.4 6.3.5 4.4.4 16.3.3 16.3.10 ... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | arnold_andre | arnold_andre | null | {} | hard | en | 120 | 120 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
adfgx-v3-0465 | DGDDAFGXFDADXXAGDXGDGXGFFGDFAFADGAFAAXGGGXDXADXXGXXFGAXGFGDAAGXGADXXGDGXAXDXADAAAFXDAGGDDXAFGDAADXAAFFDXDGAAFXDGFGGDGFFGXAFDAGADAAXDFGFDADAFADFFAFFGGGFFDFXG | DGDDAFGXFDADXXAGDXGDGXGFFGDFAFADGAFAAXGGGXDXADXXGXXFGAXGFGDAAGXGADXXGDGXAXDXADAAAFXDAGGDDXAFGDAADXAAFFDXDGAAFXDGFGGDGFFGXAFDAGADAAXDFGFDADAFADFFAFFGGGFFDFXG | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 156 | 156 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0333 | FPTWVMVTBWBRBMTVZUQRGTNQUVESGBNRVXALXAYVITXTWLRJGTFLWDUKMRGBNNKKVDKCZPYNQSGFUXVWK | FPTWVMVTBWBRBMTVZUQRGTNQUVESGBNRVXALXAYVITXTWLRJGTFLWDUKMRGBNNKKVDKCZPYNQSGFUXVWK | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
bacon-cipher-023 | BAABA AABBB AABAA ABAAB ABAAA ABBAA AABBA ABAAA BAAAB AAABB AABAA AAAAA AAABB | BAABA AABBB AABAA ABAAB ABAAA ABBAA AABBA ABAAA BAAAB AAABB AABAA AAAAA AAABB | THE KING IS DEAD | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 65 | 77 | cipher_museum | 0.2 | public | null | null |
cda-0019800 | 20 82 68 59 76 69 80 66 50 61 66 36 82 80 82 52 50 65 80 69 52 68 57 69 76 95 50 25 82 29 82 80 82 68 29 11 11 82 52 80 43 65 66 61 50 66 61 82 57 76 66 36 82 55 68 61 50 61 55 50 82 73 68 77 50 29 68 66 50 69 29 76 50 29 11 61 80 82 65 82 68 66 82 11 66 80 50 25 80 68 77 61 50 29 52 50 65 36 82 80 66 82 73 66 52 68 82... | 20 82 68 59 76 69 80 66 50 61 66 36 82 80 82 52 50 65 80 69 52 68 57 69 76 95 50 25 82 29 82 80 82 68 29 11 11 82 52 80 43 65 66 61 50 66 61 82 57 76 66 36 82 55 68 61 50 61 55 50 82 73 68 77 50 29 68 66 50 69 29 76 50 29 11 61 80 82 65 82 68 66 82 11 66 80 50 25 80 68 77 61 50 29 52 50 65 36 82 80 66 82 73 66 52 68 82... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | wallis_cipher | wallis_cipher | null | {} | hard | en | 144 | 144 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
geheimschreiber-100 | MLEZJFMRUFVKUNNLEIRSBHCMZZRZAQMJRUFMJSRXTTNUPBWW | MLEZJFMRUFVKUNNLEIRSBHCMZZRZAQMJRUFMJSRXTTNUPBWW | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
kryha-126 | MRWODYUSYQYPGZSH | MRWODYUSYQYPGZSH | PROCEED AS PLANNED | kryha | kryha | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0015023 | 11 22 87 14 34 93 25 92 87 30 27 66 40 50 50 94 45 14 39 62 67 48 60 33 50 25 23 64 14 70 52 33 58 50 87 3 32 68 49 70 41 | 11 22 87 14 34 93 25 92 87 30 27 66 40 50 50 94 45 14 39 62 67 48 60 33 50 25 23 64 14 70 52 33 58 50 87 3 32 68 49 70 41 | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | homophonic | homophonic | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
venona-pad-reuse-v2-0198 | D3JWQXLYMQX7C4HIJJD3TPFSE4QZP3GKFV7YIEK7YLMIMX7BXPILE4QJPEPRVTTALPQQA | D3JWQXLYMQX7C4HIJJD3TPFSE4QZP3GKFV7YIEK7YLMIMX7BXPILE4QJPEPRVTTALPQQA | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-fr-043 | IISRSSNSAOEACMBTAPLPNSEFI | IISRSSNSAOEACMBTAPLPNSEFI | IMPOSSIBLE N EST PAS FRANCAIS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | fr | 25 | 25 | cipher_museum | 0.2 | public | null | null |
m94-088 | DBNZYKUNHQQLGAP | DBNZYKUNHQQLGAP | EVACUATE THE BASE | m94 | m94 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v2-1302 | SBA ULTPQA LG SPTA ILVA KAVAP RDR PTK QJLLSB SBPLTEB CEAQ | SBA ULTPQA LG SPTA ILVA KAVAP RDR PTK QJLLSB SBPLTEB CEAQ | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "COURAGE"
} | beginner | en | 47 | 57 | cipher_museum | 2.0 | public | null | null |
cda-0022154 | NLWVIM VMXIBKGRLM RH MLG YILPVM YB OVGGVI UIVJFVMXB RMWVC LU XLRMXRWVMXV NVZHFIVH OVGGVI UIVJFVMXB WRHGIRYFGRLM YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO | NLWVIM VMXIBKGRLM RH MLG YILPVM YB OVGGVI UIVJFVMXB RMWVC LU XLRMXRWVMXV NVZHFIVH OVGGVI UIVJFVMXB WRHGIRYFGRLM YIFGV ULIXV DLIPH LMOB DSVM GSV PVB HKZXV RH HNZOO | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | atbash | atbash | null | {} | hard | en | 138 | 138 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
jefferson-disk-v2-0129 | MNMVQXXIGVPTFAYFFE | MNMVQXXIGVPTFAYFFE | LOOSE LIPS SINK SHIPS | 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 |
lorenz-v3-0123 | FULLSAILAHEAD | FULLSAILAHEAD | FULL SAIL AHEAD | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0006253 | JZNWKBELLUAXJECUBTHGYOACMQKAYLESFYIVLCOUKBXPECHEYDFCFELMASGHJIGADBJMTLGPFPUPFUWYEQLGZQOVISIFOYYJWUZYWSHAECMFCGHELWSWKMLQESKMFQEYUNSIWZGHZJIIIZGPRBAEYVTCNATSSOKZTUEPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRG | JZNWKBELLUAXJECUBTHGYOACMQKAYLESFYIVLCOUKBXPECHEYDFCFELMASGHJIGADBJMTLGPFPUPFUWYEQLGZQOVISIFOYYJWUZYWSHAECMFCGHELWSWKMLQESKMFQEYUNSIWZGHZJIIIZGPRBAEYVTCNATSSOKZTUEPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRG | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | autokey | autokey | null | {
"primer": "HONEST"
} | hard | en | 195 | 195 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
rail-fence-276 | ADDARSLLSNANNEERLRAALEDMLETOSELMWNYYHWTGTEOEPAEAHML | ADDARSLLSNANNEERLRAALEDMLETOSELMWNYYHWTGTEOEPAEAHML | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 51 | 51 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0370 | TFZMNEVPCGKVRDDAWYOZYBLTCQXZTAYJVFDVIQRPPXOBFPCLSNZRMNOJWPOCJPWIISYGJQNJGRHGDOMXZJLHGDRJXHNIQRRGJSVXDWKZQNXJZVWDVUPXZITTLBJDLOHWKDBLBAII | TFZMNEVPCGKVRDDAWYOZYBLTCQXZTAYJVFDVIQRPPXOBFPCLSNZRMNOJWPOCJPWIISYGJQNJGRHGDOMXZJLHGDRJXHNIQRRGJSVXDWKZQNXJZVWDVUPXZITTLBJDLOHWKDBLBAII | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0021 | VAJTCTPCNAMZXHYNDDNJXUXTFZ | VAJTCTPCNAMZXHYNDDNJXUXTFZ | THE PRINTING PRESS CHANGES ALL | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
null-cipher-003 | the her each each any give like each has any sentence line about now did each day | the her each each any give like each has any sentence line about now did each day | THE EAGLE HAS LANDED | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "first"
} | advanced | en | 65 | 81 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0707 | WDJJPMNMYGADYYIYQSSLOPXGEMGHAOYLNOLHHMWSTYSRSWDGPMYLOALHWDJJOCSYLINVPHLNMYGAD | WDJJPMNMYGADYYIYQSSLOPXGEMGHAOYLNOLHHMWSTYSRSWDGPMYLOALHWDJJOCSYLINVPHLNMYGAD | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
fialka-193 | ACTSQBUSRBACNXQ | ACTSQBUSRBACNXQ | ENEMY FORCES NEAR | fialka | fialka | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
lorenz-006 | PROCEEDASPLANNED | PROCEEDASPLANNED | PROCEED AS PLANNED | lorenz | lorenz | machine | {
"type": "seed",
"value": "LORENZ"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
bazeries-v2-0516 | LBPPBJJLTTFKHAPBGMY | LBPPBJJLTTFKHAPBGMY | MISSION ACCOMPLISHED | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0018829 | 11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 | 11 43 44 42 34 33 22 13 31 11 24 32 33 15 15 14 43 43 44 42 34 33 22 15 51 24 14 15 33 13 15 | A STRONG CLAIM NEEDS STRONG EVIDENCE | polybius | polybius | null | {} | medium | en | 31 | 31 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
caesar-v3-1378 | QOBXPROB YROFBA EBOB | QOBXPROB YROFBA EBOB | TREASURE BURIED HERE | caesar | caesar | substitution | {
"type": "shift",
"value": 23
} | beginner | en | 18 | 20 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0146 | 32 17 37 12 28 75 82 32 23 66 | 32 17 37 12 28 75 82 32 23 66 | DOT DASH DOT | argenti | argenti | nomenclator | {
"type": "seed",
"value": "PAPAL"
} | expert | en | 20 | 29 | cipher_museum | 2.0 | public | null | null |
m209-v2-0373 | FXKAMFQHRBLKVKMBDSYFNZMXYQCZQZNXYVQYXXWBVXSBEOYJWALLCLXMKWOXXABZKFRXRHWMPQZQNGPJEOYCERTZBGOPPKPZZRUBAOELASPFQYFCNRLKSLLJUORYPMMWBISUJZALKDLZKPXFSZNVYE | FXKAMFQHRBLKVKMBDSYFNZMXYQCZQZNXYVQYXXWBVXSBEOYJWALLCLXMKWOXXABZKFRXRHWMPQZQNGPJEOYCERTZBGOPPKPZZRUBAOELASPFQYFCNRLKSLLJUORYPMMWBISUJZALKDLZKPXFSZNVYE | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
cda-0016481 | EVERY SYSTX MNEED SANHO NESTZ HREAX MODEL THERX ILFEX CECIP HERWR ITESX EXTIN AZIGZ AGPAX TERNX | EVERY SYSTX MNEED SANHO NESTZ HREAX MODEL THERX ILFEX CECIP HERWR ITESX EXTIN AZIGZ AGPAX TERNX | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | commercial_code | commercial_code | null | {} | hard | en | 80 | 80 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
cda-0016579 | 4.29.2 15.26.5 3.19.3 14.1.4 15.5.9 3.49.10 6.34.14 1.20.7 10.44.3 15.32.15 4.8.5 15.13.12 7.47.8 9.34.1 9.15.8 2.47.8 18.25.13 20.13.12 10.13.5 20.5.7 16.33.11 20.17.10 16.18.8 5.2.10 10.26.14 13.19.1 18.32.15 19.24.12 17.23.6 1.21.15 14.33.13 13.41.1 4.32.5 19.50.12 3.19.11 11.4.15 8.18.5 7.16.5 3.3.5 8.31.1 2.9.1 4.... | 4.29.2 15.26.5 3.19.3 14.1.4 15.5.9 3.49.10 6.34.14 1.20.7 10.44.3 15.32.15 4.8.5 15.13.12 7.47.8 9.34.1 9.15.8 2.47.8 18.25.13 20.13.12 10.13.5 20.5.7 16.33.11 20.17.10 16.18.8 5.2.10 10.26.14 13.19.1 18.32.15 19.24.12 17.23.6 1.21.15 14.33.13 13.41.1 4.32.5 19.50.12 3.19.11 11.4.15 8.18.5 7.16.5 3.3.5 8.31.1 2.9.1 4.... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE BEST LESSONS SHOW WHERE THE METHOD FAILS | book_cipher | book_cipher | null | {} | hard | en | 91 | 91 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
enigma-v3-0375 | TVKQPAUSLNDEGRCWPNIGDNQEUQQNRYFCXHKXVNFECMIEYESXTXZUARWBTVUAITSGAPIBGGSMEMCZZ | TVKQPAUSLNDEGRCWPNIGDNQEUQQNRYFCXHKXVNFECMIEYESXTXZUARWBTVUAITSGAPIBGGSMEMCZZ | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | enigma | enigma | machine | {
"type": "rotor_start",
"value": "JKL"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0012243 | 830 813 851 806 832 823 843 815 817 856 999 847 853 825 839 807 826 847 835 814 999 854 800 872 856 999 859 821 812 999 854 873 856 859 813 836 999 838 861 855 857 999 805 814 999 856 812 808 861 851 813 999 812 863 814 841 999 825 815 999 814 840 812 838 873 999 831 839 844 867 855 999 801 835 820 844 853 824 858 822 ... | 830 813 851 806 832 823 843 815 817 856 999 847 853 825 839 807 826 847 835 814 999 854 800 872 856 999 859 821 812 999 854 873 856 859 813 836 999 838 861 855 857 999 805 814 999 856 812 808 861 851 813 999 812 863 814 841 999 825 815 999 814 840 812 838 873 999 831 839 844 867 855 999 801 835 820 844 853 824 858 822 ... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | culper_ring | culper_ring | null | {} | hard | en | 220 | 220 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
chinese-telegraph-v2-0320 | 4216 4871 4427 5488 5488 4427 4361 4154 5397 4427 5563 4614 4427 5166 5645 5397 4427 4680 4998 4614 4427 4154 5397 5563 4489 5060 5397 5563 4614 4427 5963 5488 4614 4154 4871 4871 5488 4427 4427 4550 5060 4361 4154 4998 4361 4216 4871 4427 5488 5488 4427 4361 4154 5397 4427 5563 4614 4427 5166 4427 4154 4298 4427 4934 ... | 4216 4871 4427 5488 5488 4427 4361 4154 5397 4427 5563 4614 4427 5166 5645 5397 4427 4680 4998 4614 4427 4154 5397 5563 4489 5060 5397 5563 4614 4427 5963 5488 4614 4154 4871 4871 5488 4427 4427 4550 5060 4361 4154 4998 4361 4216 4871 4427 5488 5488 4427 4361 4154 5397 4427 5563 4614 4427 5166 4427 4154 4298 4427 4934 ... | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 304 | 379 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0286 | ALWBKQVXTDNCDFRTUOLNZRTFXBKVXGDQFNOTNWQZYVDTCUPZFZUUKKXGIDWTGJFAYWAQGMXSXTKE | ALWBKQVXTDNCDFRTUOLNZRTFXBKVXGDQFNOTNWQZYVDTCUPZFZUUKKXGIDWTGJFAYWAQGMXSXTKE | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0008852 | RNHTRTMCYEEOSGEKSERPRTYONTUDTGOIWAECYEXEHRMROWFTSURHHKDPLRVERGLEOEPAEBIXIORNEANESIREIVWMOEE | RNHTRTMCYEEOSGEKSERPRTYONTUDTGOIWAECYEXEHRMROWFTSURHHKDPLRVERGLEOEPAEBIXIORNEANESIREIVWMOEE | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE VIGENERE CIPHER USES A REPEATING KEYWORD TOMORROW | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "PATTERN"
} | hard | en | 91 | 91 | synthetic_educational | null | null | [] | |
m94-v2-0098 | XFROFRGQXOXKLPVEIHUDHSJPALWWFTGKCPNJLILDGADPDLSJDGWOWSQLJNCLDHXKWPSMSLXYJKQJKW | XFROFRGQXOXKLPVEIHUDHSJPALWWFTGKCPNJLILDGADPDLSJDGWOWSQLJNCLDHXKWPSMSLXYJKQJKW | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0022120 | Z NLWVO XZM XOZHHRUB KZGGVIMH YFG RG XZM ZOHL YV DILMT GSV YVHG OVHHLMH HSLD DSVIV GSV NVGSLW UZROH | Z NLWVO XZM XOZHHRUB KZGGVIMH YFG RG XZM ZOHL YV DILMT GSV YVHG OVHHLMH HSLD DSVIV GSV NVGSLW UZROH | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE BEST LESSONS SHOW WHERE THE METHOD FAILS | atbash | atbash | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
vic-v2-0418 | 83869082272818386868386818143801269023908228226922866863908222619082686336184862898993689918748690822068024032287 | 83869082272818386868386818143801269023908228226922866863908222619082686336184862898993689918748690822068024032287 | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 113 | 113 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0056 | WKJGDCWQKJRKVQSQKTPOIPOTCGSQYSSQRETIOKAPTUDBTEDHTIKYQOTTUDBOSTNTICQ | WKJGDCWQKJRKVQSQKTPOIPOTCGSQYSSQRETIOKAPTUDBTEDHTIKYQOTTUDBOSTNTICQ | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0325 | MYVOYLIYESGONOOYVTEFNRTYOYEMEFNOLTOMGRYOOMYFOTJYDNOTOYEYPGXMXLYQNLTSYYRFR | MYVOYLIYESGONOOYVTEFNRTYOYEMEFNOLTOMGRYOOMYFOTJYDNOTOYEYPGXMXLYQNLTSYYRFR | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0393 | QDSASNNLDFQQPTRIQMORSY | QDSASNNLDFQQPTRIQMORSY | THE CASTLE IS SURROUNDED | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0227 | OISDCLBBEAMDWYDADZKI | OISDCLBBEAMDWYDADZKI | THE ALCHEMIST SUCCEEDS | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0243 | SATGXSEYAUJDXCTZFHPBZUVFOTVLLVKZAUXRAGDVRQXLXYNOLUPFTIBOCDCGSPBZWRPJPEJZAZCQEYFEOJYSCEJVRATQDTHDOBJBWSEKARPCTFISCRCYGBVASWBQMQRLJWZQXVFITHPAKJTEZKENAITWWJAFXNBCVFIRSOSXVEUPDCEFSXV | SATGXSEYAUJDXCTZFHPBZUVFOTVLLVKZAUXRAGDVRQXLXYNOLUPFTIBOCDCGSPBZWRPJPEJZAZCQEYFEOJYSCEJVRATQDTHDOBJBWSEKARPCTFISCRCYGBVASWBQMQRLJWZQXVFITHPAKJTEZKENAITWWJAFXNBCVFIRSOSXVEUPDCEFSXV | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
cda-0011696 | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA GBQNL | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA GBQNL | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN TODAY | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 46 | 46 | synthetic_educational | null | null | [] | |
red-type-a-v3-0295 | FVOETUPLANULPELONAXYWATNBOLITUQAKJASMICOTFIFXURKETOPGEHSSJUHESCUQBEOQUTLKIYXACTE | FVOETUPLANULPELONAXYWATNBOLITUQAKJASMICOTFIFXURKETOPGEHSSJUHESCUQBEOQUTLKIYXACTE | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0019780 | 21 82 22 43 1 3 11 88 59 61 60 33 62 25 88 48 82 39 63 88 1 67 23 60 67 92 25 88 34 23 23 63 76 50 93 25 49 26 99 50 25 17 23 79 66 24 48 70 23 58 33 35 59 63 88 48 34 32 11 33 50 1 34 22 63 33 1 60 59 70 57 80 33 92 78 26 58 52 4 45 52 33 34 81 23 15 21 58 92 63 25 59 26 81 93 50 70 76 68 67 3 72 80 48 70 67 41 96 33 ... | 21 82 22 43 1 3 11 88 59 61 60 33 62 25 88 48 82 39 63 88 1 67 23 60 67 92 25 88 34 23 23 63 76 50 93 25 49 26 99 50 25 17 23 79 66 24 48 70 23 58 33 35 59 63 88 48 34 32 11 33 50 1 34 22 63 33 1 60 59 70 57 80 33 92 78 26 58 52 4 45 52 33 34 81 23 15 21 58 92 63 25 59 26 81 93 50 70 76 68 67 3 72 80 48 70 67 41 96 33 ... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE VIGENERE CIPHER USES A REPEATING KEYWORD MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | homophonic | homophonic | null | {} | hard | en | 122 | 122 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0005904 | CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF N FPLGNYR VF N EBQ HFRQ OL FCNEGNAF GB RAPELCG ZRFFNTRF GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF CREUNCF | CBYLNYCUNORGVP PVCUREF HFR ZHYGVCYR NYCUNORG FUVSGF N FPLGNYR VF N EBQ HFRQ OL FCNEGNAF GB RAPELCG ZRFFNTRF GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF CREUNCF | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE BEST LESSONS SHOW WHERE THE METHOD FAILS PERHAPS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0016217 | PIWJPLFVMKPMGBPVLGDRPXNKPGWHKJDEVZFDWROHOMJKNKSKUROHSHRGNCPSXVSZIFXLZJTAWVYEOTKREYZSLQ | PIWJPLFVMKPMGBPVLGDRPXNKPGWHKJDEVZFDWROHOMJKNKSKUROHSHRGNCPSXVSZIFXLZJTAWVYEOTKREYZSLQ | THE MESSAGE WAS HIDDEN BUT NOT SECURE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | vernam | vernam | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cardano-autokey-v3-0396 | IBDTVJGBFZHLWMFLLPOWHONFOAVWTFRCCPXBTLNTZUQYHYPWKGBCGVWWRGFQRGHTFGXRNQMDLP | IBDTVJGBFZHLWMFLLPOWHONFOAVWTFRCCPXBTLNTZUQYHYPWKGBCGVWWRGFQRGHTFGXRNQMDLP | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0014452 | ... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ... | ... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | tap_code | tap_code | null | {} | hard | en | 185 | 185 | 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. |
rail-fence-v3-0489 | BTASLRHERRSEOEETEHSFYHHKASSKSTAALNEEHTNMLODEAIDEBSAMLRTCEDRELEHACEEHIHEEALTNPL | BTASLRHERRSEOEETEHSFYHHKASSKSTAALNEEHTNMLODEAIDEBSAMLRTCEDRELEHACEEHIHEEALTNPL | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0009078 | TTRGWBNLEDISXTEACCSIESIRAORLTTLICRYXXMNHPAIHEENNSCATOTSHWSAXXTEHESUUTRIPOPRETTIRYCTXXEUMSCISRAHSIENSUOATORRX | TTRGWBNLEDISXTEACCSIESIRAORLTTLICRYXXMNHPAIHEENNSCATOTSHWSAXXTEHESUUTRIPOPRETTIRYCTXXEUMSCISRAHSIENSUOATORRX | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | stager_route | stager_route | null | {
"cols": 9
} | hard | en | 108 | 108 | synthetic_educational | null | null | [] | |
cda-0021337 | 821 826 856 859 843 852 825 808 801 834 999 807 824 847 822 814 852 856 999 800 853 813 999 859 813 802 808 821 812 852 856 999 840 843 859 999 846 853 844 857 813 807 858 824 843 840 999 | 821 826 856 859 843 852 825 808 801 834 999 807 824 847 822 814 852 856 999 800 853 813 999 859 813 802 808 821 812 852 856 999 840 843 859 999 846 853 844 857 813 807 858 824 843 840 999 | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | culper_ring | culper_ring | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
confederate-vigenere-183 | OPGXOXJZPCLZRLYMF | OPGXOXJZPCLZRLYMF | THE EAGLE HAS LANDED | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
purple-v3-0263 | LNWYCMYMDUEPRUUXOTIRIZHHLTZYMWBTWYKMLVVRKWWEZUQGTOUHIYCJZGUVICHGBKCWTUOLYLWYWW | LNWYCMYMDUEPRUUXOTIRIZHHLTZYMWBTWYKMLVVRKWWEZUQGTOUHIYCJZGUVICHGBKCWTUOLYLWYWW | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0724 | DSNTYAIGDHTUEMIEFSNTEEINONOAMSLNRHRYCAICEEBOOTARDINSOSGHRALITSDEREAEWVLTRSINCMLBIYES | DSNTYAIGDHTUEMIEFSNTEEINONOAMSLNRHRYCAICEEBOOTARDINSOSGHRALITSDEREAEWVLTRSINCMLBIYES | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
purple-v2-0336 | CGXTDPBRWVKCMVOMHTZOITHHJJCXYPSUATLBLMIEUYRREVFWQZJCJQOVMNHNSQHONKHRYXNALVPUSKNHWTR | CGXTDPBRWVKCMVOMHTZOITHHJJCXYPSUATLBLMIEUYRREVFWQZJCJQOVMNHNSQHONKHRYXNALVPUSKNHWTR | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0015446 | 52 80 43 65 66 69 25 80 68 65 36 43 80 82 89 68 80 11 61 65 68 66 50 82 29 52 82 68 29 11 52 68 80 82 76 59 57 66 36 50 29 55 50 29 25 | 52 80 43 65 66 69 25 80 68 65 36 43 80 82 89 68 80 11 61 65 68 66 50 82 29 52 82 68 29 11 52 68 80 82 76 59 57 66 36 50 29 55 50 29 25 | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | wallis_cipher | wallis_cipher | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
morse-code-v2-0007 | ... .. --. -. .- .-.. / ..-. .. .-. . ... / .-.. .. - | ... .. --. -. .- .-.. / ..-. .. .-. . ... / .-.. .. - | SIGNAL FIRES LIT | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 38 | 53 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-fr-068 | UTNJNFUERDLCVTRALREIITIOA | UTNJNFUERDLCVTRALREIITIOA | IL FAUT CULTIVER NOTRE JARDIN | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | fr | 25 | 25 | cipher_museum | 0.2 | public | null | null |
porta-104 | SPYPTFFRKIODRVUBHVFBHKEPSXUPTQERZLMLOJXDWZQAPPXFOPPCRTABY | SPYPTFFRKIODRVUBHVFBHKEPSXUPTQERZLMLOJXDWZQAPPXFOPPCRTABY | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
culper-ring-v3-0021 | 100 277 278 998 802 807 800 813 806 804 818 999 127 | 100 277 278 998 802 807 800 813 806 804 818 999 127 | THE PRINTING PRESS CHANGES ALL | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 39 | 51 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0178 | VEYLMZXLHCCCFTFNYKLNAZJHQNFYHIWOWJBJJVLWRBJQVJGWDVXVXHRBALCXFZODMHYFSUUV | VEYLMZXLHCCCFTFNYKLNAZJHQNFYHIWOWJBJJVLWRBJQVJGWDVXVXHRBALCXFZODMHYFSUUV | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
beaufort-298 | OXUDHNMRXUFKMPTAASKRKWNVFGETWNCPOYLWADSXTZHQVIOGSRQFPKLSWNAIJLPHZKFVKZGEHDHJLRXULAAASELTVKZFKNLBNLSLRSXNPFLRSSDMZBYJLYWGGFPOYAOANLVKZTAQJ | OXUDHNMRXUFKMPTAASKRKWNVFGETWNCPOYLWADSXTZHQVIOGSRQFPKLSWNAIJLPHZKFVKZGEHDHJLRXULAAASELTVKZFKNLBNLSLRSXNPFLRSSDMZBYJLYWGGFPOYAOANLVKZTAQJ | 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 | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
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