id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0017318 | shedy dal sheol cheol chedal aiiin cheol okal otol lkaiin cheol ytaiin daiin choldaiin okain qokeedy daiin sharal kaiiin otaiin ytedy chedy ytedy otol chol otaiin oxed shal daiin shaiin dal rcheol aiiin | shedy dal sheol cheol chedal aiiin cheol okal otol lkaiin cheol ytaiin daiin choldaiin okain qokeedy daiin sharal kaiiin otaiin ytedy chedy ytedy otol chol otaiin oxed shal daiin shaiin dal rcheol aiiin | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | voynich_render | voynich_render | null | {} | hard | en | 170 | 170 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
trifid-vg-0001 | TKESOTJVIEWWNAXARFHNOLDFUCRA | TKESOTJVIEWWNAXARFHNOLDFUCRA | THE MORNING STAR RISES IN THE EAST | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FELIX"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
caesar-de-078 | XRVAR ZNPUG SHE AVRZNAQ | XRVAR ZNPUG SHE AVRZNAQ | KEINE MACHT FUR NIEMAND | caesar | caesar | substitution | {
"type": "shift",
"value": 13
} | beginner | de | 20 | 23 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v2-0223 | ZLQCQX YLZLXELM WIXW QSDLYCSU UCZHLW XJLQWU IXM BLQLWYXWLM WIL IHJILUW ELZLEU CK WIL SU JCZLYQDLQW | ZLQCQX YLZLXELM WIXW QSDLYCSU UCZHLW XJLQWU IXM BLQLWYXWLM WIL IHJILUW ELZLEU CK WIL SU JCZLYQDLQW | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 84 | 98 | cipher_museum | 2.0 | public | null | null |
diana-045 | VBASWQUHPWKHWHGQPMISXBHVAVFHGWBILUAVVHZHWEYWWH | VBASWQUHPWKHWHGQPMISXBHVAVFHGWBILUAVVHZHWEYWWH | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "DIANA"
} | intermediate | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
vic-v3-0077 | 09285838691189092854868386918022838280866808249108089838682898028380901868780899018642618691469148670928548690192896809083869108081838027 | 09285838691189092854868386918022838280866808249108089838682898028380901868780899018642618691469148670928548690192896809083869108081838027 | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 137 | 137 | cipher_museum | 2.0 | public | null | null |
cda-0013414 | WETXY YAEHJ MASQR RVPKP DWMFM JGUQS AYSXF VNMEH ZESIJ ZYTCU IOIMW XJGWL YNKCU QM | WETXY YAEHJ MASQR RVPKP DWMFM JGUQS AYSXF VNMEH ZESIJ ZYTCU IOIMW XJGWL YNKCU QM | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | running_key | running_key | null | {} | medium | en | 67 | 67 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0012478 | ⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w10⟩ ⟨a11⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ | ⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w10⟩ ⟨a11⟩ ⟨a23⟩ ⟨w28⟩ ⟨w22⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | babington | babington | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
jefferson-disk-v3-0049 | WZOHEXDHXRKGOEMMCXCFRHVEWODXCGYYVPMRHVOZYQGZCUQPKDHFJESYIXZRVEAADYIBXDF | WZOHEXDHXRKGOEMMCXCFRHVEWODXCGYYVPMRHVOZYQGZCUQPKDHFJESYIXZRVEAADYIBXDF | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0012603 | 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82 68 29 68 76 76 50 29 82 52 50 65 36 82 80 68 65 65 57 50 82 61 68 57 50 29 82 68 80 76 59 29 52 66 50 69 29 66 69 82 68 52 36 57 82 66 66 82 80 | 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82 68 29 68 76 76 50 29 82 52 50 65 36 82 80 68 65 65 57 50 82 61 68 57 50 29 82 68 80 76 59 29 52 66 50 69 29 66 69 82 68 52 36 57 82 66 66 82 80 | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | wallis_cipher | wallis_cipher | null | {} | hard | en | 97 | 97 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
adfgx-v2-0521 | DADXGAGXAXDDDGDADFFDADAGFAXXDDDXADXDXGGFXFADXADDXFAFXXGFFADAXFDGXAXGXAAAGGFDDFGAXDXFDXXGGXADGDDGGDGDGGGAAFFAFGDGDDAGGFFDXFFAFAAXGGDGGGAXGXAGXGAADXXFGD | DADXGAGXAXDDDGDADFFDADAGFAXXDDDXADXDXGGFXFADXADDXFAFXXGFFADAXFDGXAXGXAAAGGFDDFGAXDXFDXXGGXADGDDGGDGDGGGAAFFAFGDGDDAGGFFDXFFAFAAXGGDGGGAXGXAGXGAADXXFGD | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
cda-0014404 | K ⌒ ┘· X └· X· ⌐ ┌· L r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X Γ Γ· ¬· ┌· ⌐ ┐· r· X ⌒ Γ· K r· K ⌒ ┘· ┐· ┘· └ ⌒· ¬ Γ· X· X ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ r ⌐ L X ⌐ ┌· X r· Γ· ⌐· K L Γ K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· K r· ┌· L L ┐· ┘· X Γ· K... | K ⌒ ┘· X └· X· ⌐ ┌· L r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X Γ Γ· ¬· ┌· ⌐ ┐· r· X ⌒ Γ· K r· K ⌒ ┘· ┐· ┘· └ ⌒· ¬ Γ· X· X ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ r ⌐ L X ⌐ ┌· X r· Γ· ⌐· K L Γ K r· L ⌐ └ ┐· r· ⌐ ¬ L K ¬ ⌒· K r· ┌· L L ┐· ┘· X Γ· K... | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | pigpen | pigpen | null | {} | medium | en | 62 | 62 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
fialka-v2-0494 | AIYUXQMAVOSFYOKYCALUUYUFCQBDSIOAIUAJHBQLOVBSAZSWDVGJAPJVOOEOKVGUFFWSTHZLURMZXPLEBHNECUJJTRYMMFINFCWGUAAGNGVTCPRDNMTNIQMSHNSBSDFGBHUWFOKHASYFGMRDABMOGEXXCZSZQTXBWUAP | AIYUXQMAVOSFYOKYCALUUYUFCQBDSIOAIUAJHBQLOVBSAZSWDVGJAPJVOOEOKVGUFFWSTHZLURMZXPLEBHNECUJJTRYMMFINFCWGUAAGNGVTCPRDNMTNIQMSHNSBSDFGBHUWFOKHASYFGMRDABMOGEXXCZSZQTXBWUAP | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0161 | THNFJUBIMFBDIMYFKDIPIVRMWZZZGKIFIKCURAZTSWBXLFEHIMSIXDHFIYXYHFMHDJHASIQEYX | THNFJUBIMFBDIMYFKDIPIVRMWZZZGKIFIKCURAZTSWBXLFEHIMSIXDHFIYXYHFMHDJHASIQEYX | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0020183 | 13.6.3 17.2.2 6.2.3 20.1.4 15.3.7 15.5.6 9.6.8 1.4.2 20.2.1 5.2.2 13.4.9 18.3.4 14.1.9 7.5.5 18.5.9 14.6.10 9.4.3 11.4.5 11.4.10 16.6.7 12.4.5 20.1.9 19.6.4 17.1.7 10.4.9 14.1.4 5.2.4 8.3.9 11.2.1 7.5.2 9.4.8 6.4.5 3.5.10 4.2.8 1.1.8 7.5.5 4.1.1 5.4.10 17.6.1 12.6.9 5.1.5 | 13.6.3 17.2.2 6.2.3 20.1.4 15.3.7 15.5.6 9.6.8 1.4.2 20.2.1 5.2.2 13.4.9 18.3.4 14.1.9 7.5.5 18.5.9 14.6.10 9.4.3 11.4.5 11.4.10 16.6.7 12.4.5 20.1.9 19.6.4 17.1.7 10.4.9 14.1.4 5.2.4 8.3.9 11.2.1 7.5.2 9.4.8 6.4.5 3.5.10 4.2.8 1.1.8 7.5.5 4.1.1 5.4.10 17.6.1 12.6.9 5.1.5 | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | arnold_andre | arnold_andre | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
navajo-code-v2-0016 | TLA-GIN A-KHA A-KEH-DI-GLINI DZEH DAH-NES-TSA / TSIN-TLITI TSAH-AS-ZIH / [JI-DI-JAH] | TLA-GIN A-KHA A-KEH-DI-GLINI DZEH DAH-NES-TSA / TSIN-TLITI TSAH-AS-ZIH / [JI-DI-JAH] | COVER MY RETREAT | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 75 | 92 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0454 | DOLNNIUOSSOPNTUTCONIECPHERGHLADLAIMTHOOAOREDAAWREDFAMYDLITRTRAGIWSDEERRMNNFST | DOLNNIUOSSOPNTUTCONIECPHERGHLADLAIMTHOOAOREDAAWREDFAMYDLITRTRAGIWSDEERRMNNFST | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
caesar-de-030 | RDM NDIY YVN QJGF | RDM NDIY YVN QJGF | WIR SIND DAS VOLK | caesar | caesar | substitution | {
"type": "shift",
"value": 21
} | beginner | de | 14 | 17 | cipher_museum | 0.2 | public | null | null |
sigaba-v2-0338 | GUDDIBQJBRAJEDSCSLUWZKMSCXIESXFBYNFVGALYZGYOSXMUADDBIVBEQHLLSJSMMYRMJVSEHCUIVJH | GUDDIBQJBRAJEDSCSLUWZKMSCXIESXFBYNFVGALYZGYOSXMUADDBIVBEQHLLSJSMMYRMJVSEHCUIVJH | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
m209-v2-0410 | YOSGKWDLLKRJR | YOSGKWDLLKRJR | E PLURIBUS UNUM | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
affine-v2-1006 | AXRZC WPRMXXWEMPUM DMZWJMD VZYG DMUZKHRMD EMZGCP MPWEGC RZCVVWU WPDWUCRMI RNCR MPMGK HCPTMZ DWJWIWYPI CZM UYPUMPRZCRMD CR UCXCWI UYPVWZGWPE RNM DMUMHRWYP YHMZCRWYP VYZRWRADM NCI IAUUMMDMD | AXRZC WPRMXXWEMPUM DMZWJMD VZYG DMUZKHRMD EMZGCP MPWEGC RZCVVWU WPDWUCRMI RNCR MPMGK HCPTMZ DWJWIWYPI CZM UYPUMPRZCRMD CR UCXCWI UYPVWZGWPE RNM DMUMHRWYP YHMZCRWYP VYZRWRADM NCI IAUUMMDMD | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | affine | affine | substitution | {
"a": 9,
"b": 2
} | beginner | en | 164 | 187 | cipher_museum | 2.0 | public | null | null |
hill-v2-0300 | HDEJJWOCWTXYCMDYCSNNHGGKHKNNRTVQBLOOVNZSOEGWHQBIUHMMUDTFECPFCQFKDYCS | HDEJJWOCWTXYCMDYCSNNHGGKHKNNRTVQBLOOVNZSOEGWHQBIUHMMUDTFECPFCQFKDYCS | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
tap-code-v3-0032 | .. .. .... .. . . ..... . .. .... .... .... ..... .... . ..... ..... ... ... ..... ... . . . .. .... ... ... .... ... . . ... . ... . | .. .. .... .. . . ..... . .. .... .... .... ..... .... . ..... ..... ... ... ..... ... . . . .. .... ... ... .... ... . . ... . ... . | GRAVITY EXPLAINS ALL | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 98 | 167 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0188 | JDIBTQCAYXTWVYLPWNDQBRZBGQTOIHNCHKSHTGGJZLAWTMBVCFXQOHIEZRBWTPVAJJTLAONHMJZSXQO | JDIBTQCAYXTWVYLPWNDQBRZBGQTOIHNCHKSHTGGJZLAWTMBVCFXQOHIEZRBWTPVAJJTLAONHMJZSXQO | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0080 | TIGKIFBLVBNPOYOGUKZXAGKOWNFHQGESJAPNPTDZOBUELLBJSBRGFPTWLMOZPJXOUJCGAVSVBIEDFS | TIGKIFBLVBNPOYOGUKZXAGKOWNFHQGESJAPNPTDZOBUELLBJSBRGFPTWLMOZPJXOUJCGAVSVBIEDFS | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0006726 | DHIFNXIIHEETDLOTYAWAERHGRIACOESIAGRCPMPUAOSSLNEPPATAEIHIPRHTCLGNREIOPHMDUHHRIPTHRINFNICHEEPTORDAQESLEAATOOENSOYDEDUKSAETRRIWATPUSEERNBPUWAGCGRSNCLITLRESOOLPRHEESCSRLULASSRREPCATNOCSANTNY | DHIFNXIIHEETDLOTYAWAERHGRIACOESIAGRCPMPUAOSSLNEPPATAEIHIPRHTCLGNREIOPHMDUHHRIPTHRINFNICHEEPTORDAQESLEAATOOENSOYDEDUKSAETRRIWATPUSEERNBPUWAGCGRSNCLITLRESOOLPRHEESCSRLULASSRREPCATNOCSANTNY | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION SLOWLY | scytale | scytale | null | {
"cols": 6
} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
bifid-v2-0028 | LTALKCMCTZDUCDDUM | LTALKCMCTZDUCDDUM | COURAGE IN DARKNESS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0312 | RHLLTQWABSBKTSABPQSDAQABPAWDBSELNNAPYLUNLPSDATANAKQALNLUPEQHBKTKBSELK | RHLLTQWABSBKTSABPQSDAQABPAWDBSELNNAPYLUNLPSDATANAKQALNLUPEQHBKTKBSELK | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0243 | 60 01 16 16 12 05 06 01 12 12 19 | 60 01 16 16 12 05 06 01 12 12 19 | THE APPLE FALLS | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 22 | 32 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0210 | WTOLONMKFLYKDTQIET | WTOLONMKFLYKDTQIET | CROSS THE RUBICON NOW | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
kl7-126 | AQBNDYATBGPTRVRC | AQBNDYATBGPTRVRC | PROCEED AS PLANNED | kl7 | kl7 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
trithemius-v2-0023 | LPQVI QOWA BSYW FVXFJ | LPQVI QOWA BSYW FVXFJ | LOOSE LIPS SINK SHIPS | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
m209-v3-0311 | JUSTVFRWNXXBRFNHWPBLOTZMVZVDPETAKZOILNTZBTQWYLRCBXVSZCBZPNXKVAMZZRPAJOJSZGDMGTLPCRURAZLWAHZMQBMEOJCPEUGMWOCSAKMAOLWVICFLYYNDKKYZNUZPCSLVQKASRVWBRBALWNFVCABJXSZWRZDRAMUAFQBOZXALACUWSZ | JUSTVFRWNXXBRFNHWPBLOTZMVZVDPETAKZOILNTZBTQWYLRCBXVSZCBZPNXKVAMZZRPAJOJSZGDMGTLPCRURAZLWAHZMQBMEOJCPEUGMWOCSAKMAOLWVICFLYYNDKKYZNUZPCSLVQKASRVWBRBALWNFVCABJXSZWRZDRAMUAFQBOZXALACUWSZ | 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 | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
cda-0015731 | okeedy ypchol ykcheol dal qokedy raiin qokedy okeedy raiin ctaiin qokeedy okshy okshy ytaiin cheol qokeedy shedy chol oror sheol choldaiin qokal chedal sharal shedy kaiiin sheol otaiin okedy qotedy sheol chol okeedy daral qokal chedal ctaiin okain ykcheol okshy qotedy dainy raiin okain daiin shaiin choldaiin raiin chol... | okeedy ypchol ykcheol dal qokedy raiin qokedy okeedy raiin ctaiin qokeedy okshy okshy ytaiin cheol qokeedy shedy chol oror sheol choldaiin qokal chedal sharal shedy kaiiin sheol otaiin okedy qotedy sheol chol okeedy daral qokal chedal ctaiin okain ykcheol okshy qotedy dainy raiin okain daiin shaiin choldaiin raiin chol... | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION ATBASH ENCODES BY REVERSING THE ALPHABET TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | voynich_render | voynich_render | null | {} | hard | en | 329 | 329 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
great-cipher-v3-0166 | 173 177 154 179 158 117 171 124 167 154 125 117 143 129 108 160 100 102 129 173 109 146 168 109 143 112 154 166 153 107 100 174 152 119 149 157 149 163 136 179 182 142 173 170 178 128 128 129 177 110 107 149 157 117 175 | 173 177 154 179 158 117 171 124 167 154 125 117 143 129 108 160 100 102 129 173 109 146 168 109 143 112 154 166 153 107 100 174 152 119 149 157 149 163 136 179 182 142 173 170 178 128 128 129 177 110 107 149 157 117 175 | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 165 | 219 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0047 | LODLBOJAXPDBJLPOTDLBCDHVNBIFBJMTOHUHWDVFSLBOOLLJKTLFOQDFDKWOLPUPSDFNJMSJBAFNCXAVUNASFVLDFDNBJQNADONLAD | LODLBOJAXPDBJLPOTDLBCDHVNBIFBJMTOHUHWDVFSLBOOLLJKTLFOQDFDKWOLPUPSDFNJMSJBAFNCXAVUNASFVLDFDNBJQNADONLAD | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 102 | 102 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0270 | SYBRSIORFBVIR | SYBRSIORFBVIR | AWAIT MY SIGNAL | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
vic-v3-0167 | 808591090858590834888968995859193859158083692490834848085910908595859190831891899083482855804088915485816558845182185089 | 808591090858590834888968995859193859158083692490834848085910908595859190831891899083482855804088915485816558845182185089 | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 120 | 120 | cipher_museum | 2.0 | public | null | null |
cda-0015570 | ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABB BAAAB AABAA ABABB BAABB ABABA BAABA ABAAA ABBBA ABABA AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA BAAAB AABBB ABAAA AABAB BAABA BAAAB | ABBBA ABBAB ABABA BABBA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA ABAAA AAABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABB BAAAB AABAA ABABB BAABB ABABA BAABA ABAAA ABBBA ABABA AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA BAAAB AABBB ABAAA AABAB BAABA BAAAB | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | bacon_cipher | bacon_cipher | null | {} | hard | en | 230 | 230 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
lorenz-v3-0365 | CROSTTHERUBICONNOW | CROSTTHERUBICONNOW | CROSS THE RUBICON NOW | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0014371 | THEA RCHI TECT URZS HOUZ DMAK EMIS USEH ARDE RZBZ | THEA RCHI TECT URZS HOUZ DMAK EMIS USEH ARDE RZBZ | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | commercial_code | commercial_code | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
stager-route-v2-0170 | CMEDARHBTLEFAOWNOAIAUTSATRYARTEHNTONETSTIDSMHTNDCEEEHEEDISIEVAXXTEVRBE | CMEDARHBTLEFAOWNOAIAUTSATRYARTEHNTONETSTIDSMHTNDCEEEHEEDISIEVAXXTEVRBE | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | stager_route | stager_route | transposition | {
"type": "integer",
"value": 10
} | expert | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
cda-0006322 | VXSLS XNGEX NXTNX TMXAI DRDXO AEOCX ERCEE XGSNI XX | VXSLS XNGEX NXTNX TMXAI DRDXO AEOCX ERCEE XGSNI XX | A STRONG CLAIM NEEDS STRONG EVIDENCE | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "FREEDOM"
} | medium | en | 42 | 42 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
cda-0012764 | HVQP EMLC IFKV CIUD BABL YHZS ZYQE JUSX FKYF RFVZ LNRJ GQAC KREP RSYG BVOT TGKL YDBA KINS CXRA FPDU WPSP XWJX RSFI VFQR NFCI CFLW YRMN ALKN MJUL JLVG DYML YGNY TA | HVQP EMLC IFKV CIUD BABL YHZS ZYQE JUSX FKYF RFVZ LNRJ GQAC KREP RSYG BVOT TGKL YDBA KINS CXRA FPDU WPSP XWJX RSFI VFQR NFCI CFLW YRMN ALKN MJUL JLVG DYML YGNY TA | A STRONG CLAIM NEEDS STRONG EVIDENCE A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | vernam | vernam | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
commercial-code-v2-0024 | BABAB ZUZUZ DEZUZ BAZUZ PAZUZ PAZUZ XAZUZ XUZUZ CEBAB ZUZUZ GAZUZ BAZUZ WAZUZ XAZUZ XUZUZ | BABAB ZUZUZ DEZUZ BAZUZ PAZUZ PAZUZ XAZUZ XUZUZ CEBAB ZUZUZ GAZUZ BAZUZ WAZUZ XAZUZ XUZUZ | THE WALLS HAVE EARS | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 75 | 89 | cipher_museum | 2.0 | public | null | null |
cda-0016168 | CLA-GI-AIH / DZEH / DZEH / GAH / GAH / DZEH / A-KEH-DI-GLINI / TKIN / DZEH / GLOE-IH / WOL-LA-CHEE / TSAH / BE / GAH / DZEH / CLA-GI-AIH / GAH / A-KHA / BE / NO-DA-IH / MOASI / TKIN / SHUSH / TKIN / DIBEH-YAZZIE / TKIN ... | CLA-GI-AIH / DZEH / DZEH / GAH / GAH / DZEH / A-KEH-DI-GLINI / TKIN / DZEH / GLOE-IH / WOL-LA-CHEE / TSAH / BE / GAH / DZEH / CLA-GI-AIH / GAH / A-KHA / BE / NO-DA-IH / MOASI / TKIN / SHUSH / TKIN / DIBEH-YAZZIE / TKIN ... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | navajo_code | navajo_code | null | {} | hard | en | 208 | 208 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
playfair-v3-0862 | NKGASYPLFTCHFDVB | NKGASYPLFTCHFDVB | CHART THE UNKNOWN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1053 | YYMWDPAAVEPOHAYYMRHCISJIPIPQYIYIDBPNKQYVHRTCPSZOESZKLWHTJUEC | YYMWDPAAVEPOHAYYMRHCISJIPIPQYIYIDBPNKQYVHRTCPSZOESZKLWHTJUEC | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0205 | 7720 8038 8603 7654 7467 8528 7467 8781 7467 8038 8603 7467 7467 8038 8603 7654 7338 7467 8038 8603 8685 8437 9003 7720 8528 7194 7194 7338 8038 7467 8854 8603 8100 8038 8528 9003 8038 8603 7654 7467 8528 7720 9087 7467 7401 8603 7654 7467 8854 8100 8437 7849 8100 7529 7338 8100 8206 7467 8437 8038 7720 7338 8685 8528 ... | 7720 8038 8603 7654 7467 8528 7467 8781 7467 8038 8603 7467 7467 8038 8603 7654 7338 7467 8038 8603 8685 8437 9003 7720 8528 7194 7194 7338 8038 7467 8854 8603 8100 8038 8528 9003 8038 8603 7654 7467 8528 7720 9087 7467 7401 8603 7654 7467 8854 8100 8437 7849 8100 7529 7338 8100 8206 7467 8437 8038 7720 7338 8685 8528 ... | 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 | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 656 | 819 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v3-0129 | CAWJTEYZSREAYJJJUOLQIA | CAWJTEYZSREAYJJJUOLQIA | MESSAGE RECEIVED CLEARLY | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
trifid-vg-0027 | IQXK++YORLPAFFXQJO+JQDK+NFJOVMHLTV++VEWIWCSOSGCSKSPYUBBIVNPTHEWDLJYV | IQXK++YORLPAFFXQJO+JQDK+NFJOVMHLTV++VEWIWCSOSGCSKSPYUBBIVNPTHEWDLJYV | I AM THE WAY THE TRUTH AND THE LIFE NO MAN COMETH UNTO THE FATHER BUT THROUGH ME ALONE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0534 | QDWFWARICNEUKHROBSQDIAIFBLKBGBFDYERUGLSHODKKUIDAEOFDQDSFFLYLLUBSQMORQPNRKUBLBW | QDWFWARICNEUKHROBSQDIAIFBLKBGBFDYERUGLSHODKKUIDAEOFDQDSFFLYLLUBSQMORQPNRKUBLBW | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0165 | KMJPTJNYTXTUTAFFWONIYETM | KMJPTJNYTXTUTAFFWONIYETM | TORPEDO AWAY ALL HANDS BRACE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 23
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0016746 | ⟨w10⟩ ⟨a11⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w... | ⟨w10⟩ ⟨a11⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨a07⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w... | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | babington | babington | null | {} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
cda-0017999 | GAIN SORD EROT HERD RIVE EXTR ADAI LYUN ITEC ARRY AGAI NTUR NSIN PUTO UTER NEED SABO VELO WERT ROOP OPEN SOUT ERLI NESS COUT EXAC TXER OXPL ACEL IGHT ABOV E | GAIN SORD EROT HERD RIVE EXTR ADAI LYUN ITEC ARRY AGAI NTUR NSIN PUTO UTER NEED SABO VELO WERT ROOP OPEN SOUT ERLI NESS COUT EXAC TXER OXPL ACEL IGHT ABOV E | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | 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. |
jn25-v3-0034 | 26194 26191 26183 26188 26197 26194 26193 26198 26188 26183 26184 26198 26187 26194 26191 26183 26198 | 26194 26191 26183 26188 26197 26194 26193 26198 26188 26183 26184 26198 26187 26194 26191 26183 26198 | OLD IRONSIDES HOLDS | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 85 | 101 | cipher_museum | 2.0 | public | null | null |
affine-v2-1416 | PLZEJB DHFIEZ QUV DFQV | PLZEJB DHFIEZ QUV DFQV | WISDOM GUARDS THE GATE | affine | affine | substitution | {
"a": 17,
"b": 5
} | beginner | en | 19 | 22 | cipher_museum | 2.0 | public | null | null |
atbash-v2-0062 | GSV OLIW RH NB HSVKSVIW R HSZOO MLG DZMG SV NZPVGS NV ORV WLDM RM TIVVM KZHGFIVH YB HGROO DZGVIH | GSV OLIW RH NB HSVKSVIW R HSZOO MLG DZMG SV NZPVGS NV ORV WLDM RM TIVVM KZHGFIVH YB HGROO DZGVIH | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 77 | 96 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0230 | UHEDPQRGXPWYBHTLPW | UHEDPQRGXPWYBHTLPW | DEAD MEN TELL NO TALES | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0474 | NYTDKBAXZIDCRMIWNTXUROXTDVPCQNRLMRDGPDTNKHJZRSFYLCTSXKPRSOFTKDWGREHGPCOIOHDCWBNRMP | NYTDKBAXZIDCRMIWNTXUROXTDVPCQNRLMRDGPDTNKHJZRSFYLCTSXKPRSOFTKDWGREHGPCOIOHDCWBNRMP | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0259 | KPKFFODVVLDZVXKHLVNYCPWZKSKCRDNQVGFIPGKQIFOQBHMKRVZPMPHAHNQEFSBRXKRVZPPV | KPKFFODVVLDZVXKHLVNYCPWZKSKCRDNQVGFIPGKQIFOQBHMKRVZPMPHAHNQEFSBRXKRVZPPV | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0138 | 90 85 30 41 91 90 54 55 25 81 53 84 33 63 40 91 90 44 85 77 41 53 91 | 90 85 30 41 91 90 54 55 25 81 53 84 33 63 40 91 90 44 85 77 41 53 91 | OLD IRONSIDES HOLDS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 46 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0016570 | otedy sheedy choldaiin choldaiin daral shaiin oror lkaiin rcheol ykcheol otaiin raiin qokal qokeedy qotedy raiin chor kaiiin chol otedy otol rcheol ykcheol otain ytaiin okedy kaiiin sheedy raiin chedal okain okain qokeedy ytedy dal otol cheol raiin cheol lkaiin sheol | otedy sheedy choldaiin choldaiin daral shaiin oror lkaiin rcheol ykcheol otaiin raiin qokal qokeedy qotedy raiin chor kaiiin chol otedy otol rcheol ykcheol otain ytaiin okedy kaiiin sheedy raiin chedal okain okain qokeedy ytedy dal otol cheol raiin cheol lkaiin sheol | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | voynich_render | voynich_render | null | {} | hard | en | 227 | 227 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
adfgvx-v2-0158 | ADGGGVGGAAFFAGGVGFFAAGGAGG | ADGGGVGGAAFFAGGVGFFAAGGAGG | E PLURIBUS UNUM | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
nomenclator-043 | 60 17 21 09 03 11 02 18 15 23 14 06 15 24 10 21 13 16 19 15 22 05 18 60 12 01 26 25 04 15 07 14 05 01 18 60 18 09 22 05 18 | 60 17 21 09 03 11 02 18 15 23 14 06 15 24 10 21 13 16 19 15 22 05 18 60 12 01 26 25 04 15 07 14 05 01 18 60 18 09 22 05 18 | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 82 | 122 | cipher_museum | 0.2 | public | null | null |
two-square-073 | MEETFPOLCTLDUMLW | MEETFPOLCTLDUMLW | MEET AT THE OLD OAK | two_square | two_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
caesar-v2-0500 | ZOSKY GXK HGJ INORJXKT TU RUTMKX UHKE ZNKOX VGXKTZY GTJ KBKXEUTK OY CXOZOTM G HUUQ OZ YKKSY ZU SK ZNGZ ZNK EUATM NGBK GRCGEY GTJ CORR GRCGEY HK GT ATXARE MKTKXGZOUT LARR UL LUUROYNTKYY | ZOSKY GXK HGJ INORJXKT TU RUTMKX UHKE ZNKOX VGXKTZY GTJ KBKXEUTK OY CXOZOTM G HUUQ OZ YKKSY ZU SK ZNGZ ZNK EUATM NGBK GRCGEY GTJ CORR GRCGEY HK GT ATXARE MKTKXGZOUT LARR UL LUUROYNTKYY | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | caesar | caesar | substitution | {
"type": "shift",
"value": 6
} | beginner | en | 151 | 184 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0620 | VHZLZIBKSHYDYCRHZROZQJAGLYFRYAITSVKCKZTSDCVOGIPUMYNDNRICGNKADKSTENHPCCCDZTSDCDENIOVRJENTTCJYAOECJFGRZSEFPGTCMJJMWLCEWVYFEOHXVGPTCEARRJSJFCZEJTZOFJLGSNFZIFKSIAXVQCKZ | VHZLZIBKSHYDYCRHZROZQJAGLYFRYAITSVKCKZTSDCVOGIPUMYNDNRICGNKADKSTENHPCCCDZTSDCDENIOVRJENTTCJYAOECJFGRZSEFPGTCMJJMWLCEWVYFEOHXVGPTCEARRJSJFCZEJTZOFJLGSNFZIFKSIAXVQCKZ | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0172 | GLIYODUIMSITIEEFLEPRFGCXNPIGRWUWXCOBZDHGXBAQUROTLGKTPAMPZRDETVHJACKMQICGJKY | GLIYODUIMSITIEEFLEPRFGCXNPIGRWUWXCOBZDHGXBAQUROTLGKTPAMPZRDETVHJACKMQICGJKY | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
kryha-149 | XCNYELEPHCYDMNSD | XCNYELEPHCYDMNSD | LOCK DOWN ALL GATES | kryha | kryha | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0019120 | 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 | 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 | A STRONG CLAIM NEEDS STRONG EVIDENCE | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 31 | 31 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
straddling-checkerboard-v2-0118 | 2028282420722880228738221228345425611702064053152374258925425121128242018325202184425120717284203820354251620322425142586224255017425583425186574328203247220241206192028281229128408357260242072280 | 2028282420722880228738221228345425611702064053152374258925425121128242018325202184425120717284203820354251620322425142586224255017425583425186574328203247220241206192028281229128408357260242072280 | 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 | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 196 | 196 | cipher_museum | 2.0 | public | null | null |
cda-0004570 | HVYVL QVYUN XEVPU NXQWL CVYTC LJEYQ KIALC VYANP GCQCY UKWXL KNQLN KEHEX EKFEX QWKEU NGHEX CSYLJ EFCSE YEKEQ CAJEK NXEXW KEAEW LCYSB EITVK HLJEC YHEOV UQVCY QCHEY QECXW NXEUN GQGNE | HVYVL QVYUN XEVPU NXQWL CVYTC LJEYQ KIALC VYANP GCQCY UKWXL KNQLN KEHEX EKFEX QWKEU NGHEX CSYLJ EFCSE YEKEQ CAJEK NXEXW KEAEW LCYSB EITVK HLJEC YHEOV UQVCY QCHEY QECXW NXEUN GQGNE | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE VIGENERE CIPHER USES A REPEATING KEYWORD THE INDEX OF COINCIDENCE IS A USEFUL CLUE | monoalphabetic | monoalphabetic | null | {
"alphabet": "WPQHEUSJCRBGDYVAMKXLNFTOIZ"
} | hard | en | 150 | 150 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
slidex-v3-0132 | RNIQRDUCNXYOOBDSGCSSIUEWIJUP | RNIQRDUCNXYOOBDSGCSSIUEWIJUP | DONT FIRE TILL YOU SEE THE WHITES | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
cda-0015903 | ⟨a29⟩ ⟨w28⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨a13⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a13⟩ ⟨w22⟩ ⟨a19⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a... | ⟨a29⟩ ⟨w28⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a17⟩ ⟨w08⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨a13⟩ ⟨w28⟩ ⟨a25⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨a13⟩ ⟨w22⟩ ⟨a19⟩ ⟨w10⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a... | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | babington | babington | null | {} | hard | en | 152 | 152 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
adfgx-036 | FDAGXDDFDGDGGDADGXAFXXXXXAAXFXXXXXAXXFAAAAXGAXDDFFDXFFGXDDXFXDFDDDXDXXDXAXGXXDGAAXADXFFGDGFGFFDGGGADAA | FDAGXDDFDGDGGDADGXAFXXXXXAAXFXXXXXAXXFAAAAXGAXDDFFDXFFGXDDXFXDFDDDXDXXDXAXGXXDGAAXADXFFGDGFGFFDGGGADAA | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | adfgx | adfgx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 102 | 102 | cipher_museum | 0.2 | public | null | null |
cda-0020098 | AAAAA BAAAB AAABA BABBA BAABA AAAAA ABABA AABAA ABAAA BAAAB AAAAA BAAAA ABBAB AAABB BAABB BAAAB AABAA AAABB AAAAB BABBA BAAAB ABBBA AAAAA BAAAA BAABA AAAAA ABBAA BAAAB BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BAAAB AAABA AABAA BAAAA BAABA AAAAA ABAAA ABBAA ABABA BA... | AAAAA BAAAB AAABA BABBA BAABA AAAAA ABABA AABAA ABAAA BAAAB AAAAA BAAAA ABBAB AAABB BAABB BAAAB AABAA AAABB AAAAB BABBA BAAAB ABBBA AAAAA BAAAA BAABA AAAAA ABBAA BAAAB BAABA ABBAB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABABB AABAA BAAAB BAAAB AAAAA AABBA AABAA BAAAB AAABA AABAA BAAAA BAABA AAAAA ABAAA ABBAA ABABA BA... | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CERTAINLY | bacon_cipher | bacon_cipher | null | {} | hard | en | 270 | 270 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
confederate-vigenere-v3-0599 | NQIXSMMZTOMNVAHYEIZWTCAHCEZDVXYDWYJOIBGBUFJKOJVCXVBHRRTAKCGGYCKXBTYFJWTUHUWXADUKOJVU | NQIXSMMZTOMNVAHYEIZWTCAHCEZDVXYDWYJOIBGBUFJKOJVCXVBHRRTAKCGGYCKXBTYFJWTUHUWXADUKOJVU | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0012119 | 25 94 48 46 58 49 22 52 4 82 70 68 22 11 25 32 43 48 11 25 94 23 93 99 64 23 53 72 61 35 26 93 15 87 49 52 48 15 35 48 25 26 33 43 60 49 4 1 25 23 80 48 41 96 22 15 24 68 88 17 59 39 30 21 59 63 94 22 34 32 50 22 43 39 66 81 33 2 3 1 39 57 23 67 3 1 25 72 33 70 87 34 41 63 25 67 30 76 87 80 50 72 61 39 22 91 68 23 58 1... | 25 94 48 46 58 49 22 52 4 82 70 68 22 11 25 32 43 48 11 25 94 23 93 99 64 23 53 72 61 35 26 93 15 87 49 52 48 15 35 48 25 26 33 43 60 49 4 1 25 23 80 48 41 96 22 15 24 68 88 17 59 39 30 21 59 63 94 22 34 32 50 22 43 39 66 81 33 2 3 1 39 57 23 67 3 1 25 72 33 70 87 34 41 63 25 67 30 76 87 80 50 72 61 39 22 91 68 23 58 1... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | homophonic | homophonic | null | {} | hard | en | 110 | 110 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
joseon-yeokhak-v3-0126 | RSORASBHSZZBCHOZSG | RSORASBHSZZBCHOZSG | DEAD MEN TELL NO TALES | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0218 | 149 130 139 149 130 158 158 118 139 175 144 | 149 130 139 149 130 158 158 118 139 175 144 | PER ASPERA AD ASTRA | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 33 | 43 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0404 | JPOSAYRHWRZBBBPAO | JPOSAYRHWRZBBBPAO | KEEP YOUR POWDER DRY | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
adfgvx-054 | DDFGFDDDDGAFAGAFADAAGGVXFGFVFXVFGXDXAGDGDGDFFGDGFGFGADAAFDGAGAAXAAGFGFFADADXFXXAGXGGGFXAAGGXAXAVAFGFXVVFFDGGGGDADAAAADDGFDAD | DDFGFDDDDGAFAGAFADAAGGVXFGFVFXVFGXDXAGDGDGDFFGDGFGFGADAAFDGAGAAXAAGFGFFADADXFXXAGXGGGFXAAGGXAXAVAFGFXVVFFDGGGGDADAAAADDGFDAD | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | adfgvx | adfgvx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 124 | 124 | cipher_museum | 0.2 | public | null | null |
four-square-v3-0448 | MOKGLCLLKDKQDACBRQWMSTDKLADNQDSFWAZCHQSHSRHLCGPIDAQDDNQDOAINQDGSDEQSQDSTQM | MOKGLCLLKDKQDACBRQWMSTDKLADNQDSFWAZCHQSHSRHLCGPIDAQDDNQDOAINQDGSDEQSQDSTQM | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0178 | 252342389025894626956928234731212852072825626232582396817323815437437023424832916553728212363626235239 | 252342389025894626956928234731212852072825626232582396817323815437437023424832916553728212363626235239 | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 102 | 102 | cipher_museum | 2.0 | public | null | null |
kl7-228 | NONJHHPGPZKAUQNGJQNJWNDVJHIYNCZDPQAEZFGPLKZVXPCRZVAZLYPZ | NONJHHPGPZKAUQNGJQNJWNDVJHIYNCZDPQAEZFGPLKZVXPCRZVAZLYPZ | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | kl7 | kl7 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
aeneas-tacticus-v3-0011 | 1 22 5 13 1 18 9 1 7 18 1 20 9 1 16 12 5 14 1 | 1 22 5 13 1 18 9 1 7 18 1 20 9 1 16 12 5 14 1 | AVE MARIA GRATIA PLENA | aeneas_tacticus | aeneas_tacticus | steganography | {
"type": "none",
"value": null
} | expert | en | 27 | 45 | cipher_museum | 2.0 | public | null | null |
wheatstone-135 | LMTOSQFLKETBFKP | LMTOSQFLKETBFKP | OPERATION BEGINS | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0004193 | OEETCAIFDAERSUGNDOTETESISLELCRESRNEECKNNSCRRAXELICTYCERHOUOUREMEDBWOXEOLLNUTLASPENINRYCETNLLFIRRUARAONBOPCTTEETEPRXIMTYRIHRASARSNOTTESMPLXDLICAPSOCNBOSIPNOITTOAX | OEETCAIFDAERSUGNDOTETESISLELCRESRNEECKNNSCRRAXELICTYCERHOUOUREMEDBWOXEOLLNUTLASPENINRYCETNLLFIRRUARAONBOPCTTEETEPRXIMTYRIHRASARSNOTTESMPLXDLICAPSOCNBOSIPNOITTOAX | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "PATTERN"
} | hard | en | 161 | 161 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
columnar-transposition-154 | AEIWWFIHOSTSMTTESRIWBTTEOSTEFIHTESSMAOT | AEIWWFIHOSTSMTTESRIWBTTEOSTEFIHTESSMAOT | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 39 | 39 | cipher_museum | 0.2 | public | null | null |
copiale-v3-0071 | D0 R8 I4 O4 U4 R7 A6 A4 I4 G6 L1 K8 A3 X2 X2 O1 R8 M6 J9 O1 O1 B5 O0 T1 P6 M2 P2 X7 B6 A9 T2 O2 P2 N6 M8 N3 B5 I5 S0 K3 I1 H7 K0 S0 Y6 L0 A3 S6 M9 C3 O1 T1 T8 A9 L0 R1 C5 O1 A4 V4 M8 O4 I8 P9 D2 O4 T4 C9 B6 C2 X2 A4 O4 L0 N3 | D0 R8 I4 O4 U4 R7 A6 A4 I4 G6 L1 K8 A3 X2 X2 O1 R8 M6 J9 O1 O1 B5 O0 T1 P6 M2 P2 X7 B6 A9 T2 O2 P2 N6 M8 N3 B5 I5 S0 K3 I1 H7 K0 S0 Y6 L0 A3 S6 M9 C3 O1 T1 T8 A9 L0 R1 C5 O1 A4 V4 M8 O4 I8 P9 D2 O4 T4 C9 B6 C2 X2 A4 O4 L0 N3 | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
vic-v2-0065 | 8364867142291083868290910891928206089839091308360909189808682910808680910858083868093808995918983424867918983592249183186 | 8364867142291083868290910891928206089839091308360909189808682910808680910858083868093808995918983424867918983592249183186 | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 121 | 121 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-228 | UNDMIEXBKXPHAFMILJWPQFNQBMILVRRQKWMIHRIHQBHYJERKALVVWMFE | UNDMIEXBKXPHAFMILJWPQFNQBMILVRRQKWMIHRIHQBHYJERKALVVWMFE | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0363 | 93 47 79 65 45 66 25 47 44 35 66 55 77 56 45 96 46 59 36 | 93 47 79 65 45 66 25 47 44 35 66 55 77 56 45 96 46 59 36 | MISSION ACCOMPLISHED | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-061 | ROTVJGTXFTTOD | ROTVJGTXFTTOD | ATTACK AT DAWN | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
rail-fence-v2-0490 | ANNTNEREFLODEASSIGSEAEHEEALDEHBUESOTMENTNRRWECWLMEUUSIWEEEAAASEEEEMNRUNNAKMEWRAPCTWUEFMAERAYWAFBTNOKNHOECHWMBEYASIEACAWRWTWETEVRIOHTABECSIEMSLEENTLEVUI | ANNTNEREFLODEASSIGSEAEHEEALDEHBUESOTMENTNRRWECWLMEUUSIWEEEAAASEEEEMNRUNNAKMEWRAPCTWUEFMAERAYWAFBTNOKNHOECHWMBEYASIEACAWRWTWETEVRIOHTABECSIEMSLEENTLEVUI | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
cda-0019285 | LMVE QPUG GKOB KGHN AJAT JADA GMDJ IRHO JLCW YWVR ODDT MEXI HXZT YDVO IVIW LKBS IRRH IFVG NAXX IOII SSJE JHAN TFVP ZPNL CVWY NTZD SCYC RCAO PBFG ZXYC KLNJ FFDB RZMX GARB AGIE CZZC AFVD FVTU MFCI HRYU IDTP ZOGO NTEZ TYZJ ZJLP YVRQ RYJ | LMVE QPUG GKOB KGHN AJAT JADA GMDJ IRHO JLCW YWVR ODDT MEXI HXZT YDVO IVIW LKBS IRRH IFVG NAXX IOII SSJE JHAN TFVP ZPNL CVWY NTZD SCYC RCAO PBFG ZXYC KLNJ FFDB RZMX GARB AGIE CZZC AFVD FVTU MFCI HRYU IDTP ZOGO NTEZ TYZJ ZJLP YVRQ RYJ | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ATBASH ENCODES BY REVERSING THE ALPHABET THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | one_time_pad | one_time_pad | null | {} | hard | en | 187 | 187 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
trifid-v3-0497 | TMNUTDAOBTUDORGEFCDLBDWGLICYBTTSWQQD+YOYOJOWXLJHVFBA+FEJADJOTPLDJFURG+DXOGOOQYTQ | TMNUTDAOBTUDORGEFCDLBDWGLICYBTTSWQQD+YOYOJOWXLJHVFBA+FEJADJOTPLDJFURG+DXOGOOQYTQ | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
diana-v2-0127 | ZIAZAWDANEKP | ZIAZAWDANEKP | THE DIE IS CAST | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0057 | LHYBXYBYLRPBICJRHBILAJXMHBLYJMHXANOPBEBHKVJIDJQPVVULHJPQADJBJMPLYHBPBJK | LHYBXYBYLRPBICJRHBILAJXMHBLYJMHXANOPBEBHKVJIDJQPVVULHJPQADJBJMPLYHBPBJK | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
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