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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
slidex-v2-0050 | VIXGKBLLMCZOHWUQGUQSGVAMZICOYZIDQNRPXHFMYMVHFQVULPIPXPIKZOHWUQGURUIPHPFMYM | VIXGKBLLMCZOHWUQGUQSGVAMZICOYZIDQNRPXHFMYMVHFQVULPIPXPIKZOHWUQGURUIPHPFMYM | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
m94-v2-0159 | XGCQEKJBEDMSUYWYFIQBWZFRJJYHGDBAOXEGADDNCPDUGVMSYVKUXWZENPWQREUMAHHWFJLJFRJ | XGCQEKJBEDMSUYWYFIQBWZFRJJYHGDBAOXEGADDNCPDUGVMSYVKUXWZENPWQREUMAHHWFJLJFRJ | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | m94 | m94 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0002 | LTNQHTPRFSOQERGROQNJXRG | LTNQHTPRFSOQERGROQNJXRG | CARTHAGE MUST BE DESTROYED | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
typex-v3-0377 | ESVYJJDXXXIPDNBGIONBFUXYPJHVGBIHRWALZBKNETCPGUHVRKXQSYQHJKBMEUHBWQJXYDPASPB | ESVYJJDXXXIPDNBGIONBFUXYPJHVGBIHRWALZBKNETCPGUHVRKXQSYQHJKBMEUHBWQJXYDPASPB | THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0011866 | QYOFFWQOY QWCVSEF GSOQN JUL ZBRSEA FSNHENGL ZOGGSEF SISEL FLFGSZ ARSRF OA VBASFG GVESOG ZBRRY | QYOFFWQOY QWCVSEF GSOQN JUL ZBRSEA FSNHENGL ZOGGSEF SISEL FLFGSZ ARSRF OA VBASFG GVESOG ZBRRY | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | porta | porta | null | {
"key": "PATTERN"
} | hard | en | 80 | 80 | synthetic_educational | null | null | [] | |
great-cipher-140 | 145 178 168 128 115 134 100 128 144 181 168 178 180 166 123 | 145 178 168 128 115 134 100 128 144 181 168 178 180 166 123 | CRYPTOGRAPHY RULES | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 45 | 59 | cipher_museum | 0.2 | public | null | null |
beaufort-v2-0089 | UXHROMFRFZAAYTXZVZNMTSWVFRLZKXTAHFKCFFLRKUGILAUALQQOXJKDNNXNACDASNCMDFIGNSDFVFBA | UXHROMFRFZAAYTXZVZNMTSWVFRLZKXTAHFKCFFLRKUGILAUALQQOXJKDNNXNACDASNCMDFIGNSDFVFBA | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NELSON"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
babington-v3-0036 | ⟨w01⟩ ⟨w16⟩ ⟨w07⟩ ⟨w13⟩ ⟨w32⟩ ⟨w35⟩ ⟨w02⟩ ⟨w15⟩ ⟨w13⟩ ⟨w23⟩ ⟨w23⟩ ⟨w26⟩ ⟨a12⟩ ⟨w16⟩ ⟨a04⟩ ⟨w02⟩ ⟨a18⟩ ⟨a08⟩ | ⟨w01⟩ ⟨w16⟩ ⟨w07⟩ ⟨w13⟩ ⟨w32⟩ ⟨w35⟩ ⟨w02⟩ ⟨w15⟩ ⟨w13⟩ ⟨w23⟩ ⟨w23⟩ ⟨w26⟩ ⟨a12⟩ ⟨w16⟩ ⟨a04⟩ ⟨w02⟩ ⟨a18⟩ ⟨a08⟩ | THE ORACLE HAS SPOKEN | babington | babington | nomenclator | {
"type": "seed",
"value": "WALSINGHAM"
} | expert | en | 90 | 107 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0433 | 97 46 59 63 25 85 37 59 35 37 87 47 57 45 25 97 35 68 65 36 97 38 48 32 24 87 66 68 52 45 87 26 46 44 36 64 25 50 66 44 76 67 68 56 47 97 28 50 45 37 76 25 50 54 57 64 45 47 54 23 96 59 47 56 47 77 28 59 65 24 63 29 80 53 25 76 26 80 65 | 97 46 59 63 25 85 37 59 35 37 87 47 57 45 25 97 35 68 65 36 97 38 48 32 24 87 66 68 52 45 87 26 46 44 36 64 25 50 66 44 76 67 68 56 47 97 28 50 45 37 76 25 50 54 57 64 45 47 54 23 96 59 47 56 47 77 28 59 65 24 63 29 80 53 25 76 26 80 65 | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 158 | 236 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0137 | MXLUFNDEOZSMGU | MXLUFNDEOZSMGU | TARGET ACQUIRED | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
atbash-fr-015 | RNKLHHRYOV M VHG KZH UIZMXZRH | RNKLHHRYOV M VHG KZH UIZMXZRH | IMPOSSIBLE N EST PAS FRANCAIS | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | fr | 25 | 29 | cipher_museum | 0.2 | public | null | null |
geez-monastic-108 | UDBKYNCKERKXFBKYITOSDPCQBKYIOCOJBBKYCOOQCKXDOPIXFOIOTYSX | UDBKYNCKERKXFBKYITOSDPCQBKYIOCOJBBKYCOOQCKXDOPIXFOIOTYSX | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v2-0252 | GLZVEIZLATFGOUYPNQEDOJEYRQZLHUFLMLFEOHPUWCJTKCHFYJIUVGUQSEMWEQTWCSGWSQIIZQAAIBAEJAKCHRYBVHNKRQYFHZALQVXUQZXQRHFIYIANOYRTVXHBZDIPKLIJOBPSAUSVEBXOYDLTSLDISZLJULPLOAAFVLNYHXKHMKLSXWF | GLZVEIZLATFGOUYPNQEDOJEYRQZLHUFLMLFEOHPUWCJTKCHFYJIUVGUQSEMWEQTWCSGWSQIIZQAAIBAEJAKCHRYBVHNKRQYFHZALQVXUQZXQRHFIYIANOYRTVXHBZDIPKLIJOBPSAUSVEBXOYDLTSLDISZLJULPLOAAFVLNYHXKHMKLSXWF | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
bifid-la-022 | TIITTFDGIV | TIITTFDGIV | QUID PRO QUO | bifid | bifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | la | 10 | 10 | cipher_museum | 0.2 | public | null | null |
kryptos-v3-0057 | DNVPLFZPEFFJJVMFDJJMUULXEAEZJXEKUOWTZHKIYHLXQUHTWOGHDBGWUWJJLIHHQYZUKUY | DNVPLFZPEFFJJVMFDJJMUULXEAEZJXEKUOWTZHKIYHLXQUHTWOGHDBGWUWJJLIHHQYZUKUY | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0015117 | WOL-LA-CHEE / TSAH / WOL-LA-CHEE / MA-E / MA-E / TKIN / TSAH / DZEH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / WOL-LA-CHEE / CLA-GI-AIH / CLA-GI-AIH / DIBEH-YAZZIE / TKIN / DZEH / DIBEH / WOL-LA-CHEE / DIBEH-YAZZIE / TKIN ... | WOL-LA-CHEE / TSAH / WOL-LA-CHEE / MA-E / MA-E / TKIN / TSAH / DZEH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / WOL-LA-CHEE / CLA-GI-AIH / CLA-GI-AIH / DIBEH-YAZZIE / TKIN / DZEH / DIBEH / WOL-LA-CHEE / DIBEH-YAZZIE / TKIN ... | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER NEVER | navajo_code | navajo_code | null | {} | hard | en | 221 | 221 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
two-square-v3-0333 | CALLHCMOHMDAMQDSEYEAOORIONNYERMIFTIMZGONAQDRCIPALYHHIMQLHTIWOUMNSAILGAOUSBFTPANNHEOCEACV | CALLHCMOHMDAMQDSEYEAOORIONNYERMIFTIMZGONAQDRCIPALYHHIMQLHTIWOUMNSAILGAOUSBFTPANNHEOCEACV | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0041 | ANAGLPMCVCZDEDZPIXSIVIDKUKBISPSOHBPDJKSYEMLPZDDYJR | ANAGLPMCVCZDEDZPIXSIVIDKUKBISPSOHBPDJKSYEMLPZDDYJR | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 50 | 50 | cipher_museum | 2.0 | public | null | null |
kama-sutra-225 | L NVAW HGB UWB TWOYH BG PLONB XVLQ BNW RVFBVLH BG BNW RCWE | L NVAW HGB UWB TWOYH BG PLONB XVLQ BNW RVFBVLH BG BNW RCWE | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 46 | 58 | cipher_museum | 0.2 | public | null | null |
caesar-v2-1708 | NRLQE QEB OXSBK KBSBOJLOB QEB YFOA PXQ LK QEB YRPQ LC MXIIXP GRPQ XYLSB JV ZEXJYBO ALLO | NRLQE QEB OXSBK KBSBOJLOB QEB YFOA PXQ LK QEB YRPQ LC MXIIXP GRPQ XYLSB JV ZEXJYBO ALLO | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | caesar | caesar | substitution | {
"type": "shift",
"value": 23
} | beginner | en | 71 | 87 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0015 | DXGIPRYYQVXTSIQB | DXGIPRYYQVXTSIQB | ABORT AND WITHDRAW | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0014123 | 8.5.4 12.3.6 15.1.10 11.3.2 6.6.4 5.1.2 19.2.2 2.3.5 11.3.3 1.5.9 5.6.8 17.4.5 10.3.6 20.5.9 1.3.9 18.1.8 3.1.1 4.1.9 14.1.2 8.6.9 2.5.10 17.2.6 5.2.4 4.5.5 6.3.3 11.4.7 7.6.5 9.6.1 9.5.3 17.1.10 13.2.9 10.1.9 8.5.10 10.3.1 9.5.9 7.4.10 14.5.9 5.1.6 12.5.5 12.2.1 15.2.2 19.6.6 20.6.9 7.6.4 6.3.5 16.2.10 10.1.3 4.1.10 1... | 8.5.4 12.3.6 15.1.10 11.3.2 6.6.4 5.1.2 19.2.2 2.3.5 11.3.3 1.5.9 5.6.8 17.4.5 10.3.6 20.5.9 1.3.9 18.1.8 3.1.1 4.1.9 14.1.2 8.6.9 2.5.10 17.2.6 5.2.4 4.5.5 6.3.3 11.4.7 7.6.5 9.6.1 9.5.3 17.1.10 13.2.9 10.1.9 8.5.10 10.3.1 9.5.9 7.4.10 14.5.9 5.1.6 12.5.5 12.2.1 15.2.2 19.6.6 20.6.9 7.6.4 6.3.5 16.2.10 10.1.3 4.1.10 1... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | arnold_andre | arnold_andre | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
m209-280 | GZLXBSSXVWXIQOJUZCAEBWBJESXJYKVEQQNZIZMOHNLZSBAK | GZLXBSSXVWXIQOJUZCAEBWBJESXJYKVEQQNZIZMOHNLZSBAK | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | m209 | m209 | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0002 | AMGFTGQZMRWYPFGHCH | AMGFTGQZMRWYPFGHCH | CROSS THE RUBICON NOW | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ABC"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
trifid-279 | FBPHEJC+JRH+TBSGEYGYF+URHEASGGNEHHYR+TQITXA | FBPHEJC+JRH+TBSGEYGYF+URHEASGGNEHHYR+TQITXA | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "TRIFID"
} | advanced | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
one-time-pad-v2-0029 | PBVLISILJASYSFJXSKGKS | PBVLISILJASYSFJXSKGKS | PATIENCE BRINGS VICTORY | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
culper-ring-v3-0029 | 100 998 817 804 803 802 814 800 819 818 999 115 998 802 814 812 808 813 806 999 | 100 998 817 804 803 802 814 800 819 818 999 115 998 802 814 812 808 813 806 999 | THE REDCOATS ARE COMING | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 60 | 79 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0271 | VPFDNNZQJBVASJWWMK | VPFDNNZQJBVASJWWMK | CONTACT HAS BEEN MADE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0012656 | BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA AAABA ABABA AAAAA ABAAA ABABB BAAAB BAAAB AABBB ABBAB BAABB ABABA AAABB AAAAB AABAA BAABA AABAA BAAAB BAABA AABAA AAABB BAABB ABBAA AAABB AABAA BAAAA BAAAB AAABA BAAAA BAABB BAABA ABAAA ABBAA BABBA AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AA... | BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA AAABA ABABA AAAAA ABAAA ABABB BAAAB BAAAB AABBB ABBAB BAABB ABABA AAABB AAAAB AABAA BAABA AABAA BAAAB BAABA AABAA AAABB BAABB ABBAA AAABB AABAA BAAAA BAAAB AAABA BAAAA BAABB BAABA ABAAA ABBAA BABBA AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AA... | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | bacon_cipher | bacon_cipher | null | {} | hard | en | 725 | 725 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
enigma-v2-0803 | SLCVFGJFAJVECSZQMPODSTDTXVDXTWXVWFUYJZHIBNIYSTWPVXKBJNOCRMYYETPWDH | SLCVFGJFAJVECSZQMPODSTDTXVDXTWXVWFUYJZHIBNIYSTWPVXKBJNOCRMYYETPWDH | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | enigma | enigma | machine | {
"type": "rotor_start",
"value": "STU"
} | expert | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0053 | G FPVE MNT YET AEDUM TN BGDFT SPGC HNFM OPUJ HNMES PS TFE ANMFNKKE RGLFPRC TNNI FEPVY BGRE | G FPVE MNT YET AEDUM TN BGDFT SPGC HNFM OPUJ HNMES PS TFE ANMFNKKE RGLFPRC TNNI FEPVY BGRE | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PALACE"
} | beginner | en | 73 | 90 | cipher_museum | 2.0 | public | null | null |
solitaire-026 | XIXORJAEWHTTKCD | XIXORJAEWHTTKCD | FORWARD MARCH NOW | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
playfair-v2-0631 | UODUUTEVEOFHDIOHUYGUUMVAUFKYHDNPIBDXEOWQULFNOEGFUWTHBTGFKYHDBSUXBVDI | UODUUTEVEOFHDIOHUYGUUMVAUFKYHDNPIBDXEOWQULFNOEGFUWTHBTGFKYHDBSUXBVDI | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0883 | EPFHZXGDKBWK | EPFHZXGDKBWK | THE DIE IS CAST | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0112 | EWRMNTQBULCTBQOKKEGAGMTCGBHZMXDLULGXVZSXMFDXQHDBHCICIHZLQHCJQCOKLZEOZVURBCMNLIUONDTVXWQXPKXPAYGDYUNGKIFANBIIEUHOEBIVIUBECPBBRHIHCDJVYJKSDZBFHHMYJEVJGLK | EWRMNTQBULCTBQOKKEGAGMTCGBHZMXDLULGXVZSXMFDXQHDBHCICIHZLQHCJQCOKLZEOZVURBCMNLIUONDTVXWQXPKXPAYGDYUNGKIFANBIIEUHOEBIVIUBECPBBRHIHCDJVYJKSDZBFHHMYJEVJGLK | 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 | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
caesar-la-112 | PU WYPUJPWPV LYHA CLYIBT | PU WYPUJPWPV LYHA CLYIBT | IN PRINCIPIO ERAT VERBUM | caesar | caesar | substitution | {
"type": "shift",
"value": 7
} | beginner | la | 21 | 24 | cipher_museum | 0.2 | public | null | null |
cda-0018194 | JMPF ZJPC TRYQ YIDU LRMN WHZJ CKSC GEWQ PZUU JNHC UTPH BDAL YLGZ IZPZ CVEY OEBN ARQU KEIL LCMT CFOQ HGXV YQIA AXBJ IEBL LBWJ WSLJ KKML TTFL FPVZ WWTB F | JMPF ZJPC TRYQ YIDU LRMN WHZJ CKSC GEWQ PZUU JNHC UTPH BDAL YLGZ IZPZ CVEY OEBN ARQU KEIL LCMT CFOQ HGXV YQIA AXBJ IEBL LBWJ WSLJ KKML TTFL FPVZ WWTB F | THE MESSAGE WAS HIDDEN BUT NOT SECURE THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | vernam | vernam | null | {} | hard | en | 121 | 121 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
copiale-v3-0153 | N7 U2 E9 B6 F6 M2 I1 S7 C6 K4 M4 E1 E0 U4 S0 N4 O7 D6 M8 O2 E6 E5 S8 S7 N7 S0 E5 O4 P2 G4 L5 J0 E0 S0 K1 V8 N6 I7 E9 A3 X6 N9 K7 Q2 S7 N2 N6 C6 O4 K4 Y6 G7 Q1 S7 A2 F0 F0 E6 M2 G0 X6 H4 M9 L7 Q2 L1 J0 V8 N2 A2 M8 | N7 U2 E9 B6 F6 M2 I1 S7 C6 K4 M4 E1 E0 U4 S0 N4 O7 D6 M8 O2 E6 E5 S8 S7 N7 S0 E5 O4 P2 G4 L5 J0 E0 S0 K1 V8 N6 I7 E9 A3 X6 N9 K7 Q2 S7 N2 N6 C6 O4 K4 Y6 G7 Q1 S7 A2 F0 F0 E6 M2 G0 X6 H4 M9 L7 Q2 L1 J0 V8 N2 A2 M8 | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 142 | 212 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0038 | I5 R8 Y0 A6 X7 T0 K4 A9 I4 S3 K0 K8 L6 P5 A9 B7 V4 L6 K8 | I5 R8 Y0 A6 X7 T0 K4 A9 I4 S3 K0 K8 L6 P5 A9 B7 V4 L6 K8 | MEASURE TWICE CUT ONCE | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
polybius-v3-0004 | 44 23 15 31 15 22 24 34 33 43 43 44 11 33 14 42 15 11 14 54 | 44 23 15 31 15 22 24 34 33 43 43 44 11 33 14 42 15 11 14 54 | THE LEGIONS STAND READY | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 40 | 59 | cipher_museum | 2.0 | public | null | null |
gronsfeld-323 | UJHONOILWIFCG | UJHONOILWIFCG | THE KING IS DEAD | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "12345"
} | intermediate | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
m209-v3-0260 | COQQKZPVASITZXNKPKVCJXPRZQWXXLSTZDXYKVQJSYEJLPDPANDKZDMCSQJZOZBDDOCXBLAXY | COQQKZPVASITZXNKPKVCJXPRZQWXXLSTZDXYKVQJSYEJLPDPANDKZDMCSQJZOZBDDOCXBLAXY | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
typex-v3-0220 | GJINOGFA | GJINOGFA | DEUS VULT | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0222 | QOKWVZNOTLPSJEETFJ | QOKWVZNOTLPSJEETFJ | LOWER THE DRAWBRIDGE | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0179 | 90 15 44 63 91 90 34 85 79 55 81 76 89 91 90 25 61 91 90 18 91 90 45 58 85 72 53 47 66 41 91 90 27 54 30 63 40 91 90 12 76 82 84 81 53 91 90 67 54 15 44 91 90 18 91 90 40 84 66 11 77 63 91 90 53 45 76 88 91 90 47 40 91 90 30 18 25 91 90 15 24 79 91 90 23 20 85 45 63 91 90 77 25 81 82 91 90 47 11 85 91 90 54 66 91 90 75... | 90 15 44 63 91 90 34 85 79 55 81 76 89 91 90 25 61 91 90 18 91 90 45 58 85 72 53 47 66 41 91 90 27 54 30 63 40 91 90 12 76 82 84 81 53 91 90 67 54 15 44 91 90 18 91 90 40 84 66 11 77 63 91 90 53 45 76 88 91 90 47 40 91 90 30 18 25 91 90 15 24 79 91 90 23 20 85 45 63 91 90 77 25 81 82 91 90 47 11 85 91 90 54 66 91 90 75... | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 224 | 335 | cipher_museum | 2.0 | public | null | null |
arnold-andre-v3-0030 | 13.1.1 14.4.5 14.1.1 14.5.4 14.1.1 14.4.5 14.2.4 14.3.5 14.3.4 15.1.1 13.1.1 14.5.3 14.2.4 14.4.5 14.2.3 14.3.5 14.5.1 14.4.5 15.1.1 13.1.1 14.4.3 14.1.5 14.4.1 14.4.3 14.1.5 14.4.4 14.1.5 14.3.4 14.4.5 14.1.1 14.4.5 14.2.4 14.3.5 14.3.4 15.1.1 | 13.1.1 14.4.5 14.1.1 14.5.4 14.1.1 14.4.5 14.2.4 14.3.5 14.3.4 15.1.1 13.1.1 14.5.3 14.2.4 14.4.5 14.2.3 14.3.5 14.5.1 14.4.5 15.1.1 13.1.1 14.4.3 14.1.5 14.4.1 14.4.3 14.1.5 14.4.4 14.1.5 14.3.4 14.4.5 14.1.1 14.4.5 14.2.4 14.3.5 14.3.4 15.1.1 | TAXATION WITHOUT REPRESENTATION | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 210 | 244 | cipher_museum | 2.0 | public | null | null |
adfgvx-115 | GAADAVVGGAFADAXVVDDDAAAADFADAAFADAAAAGAGVAXGAVXFVAVAXAVAAGXGGVAGGAAFGVDDDDAFAGGGVXVVAAFAVXVGAVVGVAVFAGAADAADAAAGAFGGFAAA | GAADAVVGGAFADAXVVDDDAAAADFADAAFADAAAAGAGVAXGAVXFVAVAXAVAAGXGGVAGGAAFGVDDDDAFAGGGVXVVAAFAVXVGAVVGVAVFAGAADAADAAAGAFGGFAAA | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | adfgvx | adfgvx | fractionation | {
"polybius": "CIPHER",
"columnar": "MUSEUM"
} | advanced | en | 120 | 120 | cipher_museum | 0.2 | public | null | null |
vic-v3-0350 | 9369089486932826922049186390822899019180909112403866686383908389634917852822858394407126908290684838681726919095 | 9369089486932826922049186390822899019180909112403866686383908389634917852822858394407126908290684838681726919095 | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 112 | 112 | cipher_museum | 2.0 | public | null | null |
cda-0018874 | 13 34 31 45 32 33 11 42 44 42 11 33 43 35 34 43 24 44 24 34 33 42 15 11 14 43 13 34 31 45 32 33 43 24 33 25 15 54 34 42 14 15 42 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23 | 13 34 31 45 32 33 11 42 44 42 11 33 43 35 34 43 24 44 24 34 33 42 15 11 14 43 13 34 31 45 32 33 43 24 33 25 15 54 34 42 14 15 42 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23 | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | polybius | polybius | null | {} | hard | en | 102 | 102 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
caesar-v3-0038 | NFBTVSF UXJDF DVU PODF | NFBTVSF UXJDF DVU PODF | MEASURE TWICE CUT ONCE | caesar | caesar | substitution | {
"type": "shift",
"value": 1
} | beginner | en | 19 | 22 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-011 | EJHNTKSTUALNF | EJHNTKSTUALNF | CHANGE OF PLANS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CARDANO"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
cda-0017531 | 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25 6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 1... | 20 8 5 15 14 5 20 9 13 5 16 1 4 9 19 20 8 5 15 18 5 20 9 3 1 12 12 25 21 14 2 18 5 1 11 1 2 12 5 9 6 21 19 5 4 3 15 18 18 5 3 20 12 25 6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 1... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY FAIL CLOSED IS A POSTURE NOT A SLOGAN BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 134 | 134 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
geez-monastic-v3-0122 | IFTZPJTFWESIJTPOXFI | IFTZPJTFWESIJTPOXFI | TREACHERY IN THE COURT | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0004544 | EJHI NFBP GMFM NPFO JPWW PEWF JEQW EQJD MHDD SASY PHTD UIZK QSJO GWJF OUHA FOVB XJYU HHVS KWDD MCLR TTJR ZMED HYFT VHIV OFHW TDTX YJOA | EJHI NFBP GMFM NPFO JPWW PEWF JEQW EQJD MHDD SASY PHTD UIZK QSJO GWJF OUHA FOVB XJYU HHVS KWDD MCLR TTJR ZMED HYFT VHIV OFHW TDTX YJOA | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | gronsfeld | gronsfeld | null | {
"key": "11235"
} | hard | en | 108 | 108 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
cda-0015949 | 1 40 76 64 23 96 87 2 70 35 30 2 11 11 93 46 92 63 82 68 25 22 34 70 43 67 14 60 49 60 21 27 81 1 39 50 76 67 22 86 34 26 15 24 3 72 14 91 33 35 93 63 88 33 3 43 34 33 82 62 82 57 3 66 52 93 99 82 63 3 23 11 35 34 66 67 22 52 57 48 76 40 22 60 34 59 35 63 27 60 68 48 3 70 43 33 35 14 34 59 25 92 87 96 82 59 4 50 11 94 ... | 1 40 76 64 23 96 87 2 70 35 30 2 11 11 93 46 92 63 82 68 25 22 34 70 43 67 14 60 49 60 21 27 81 1 39 50 76 67 22 86 34 26 15 24 3 72 14 91 33 35 93 63 88 33 3 43 34 33 82 62 82 57 3 66 52 93 99 82 63 3 23 11 35 34 66 67 22 52 57 48 76 40 22 60 34 59 35 63 27 60 68 48 3 70 43 33 35 14 34 59 25 92 87 96 82 59 4 50 11 94 ... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | homophonic | homophonic | null | {} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
great-cipher-v2-0165 | 165 136 138 179 102 166 143 161 167 143 175 148 174 164 133 160 114 154 108 156 | 165 136 138 179 102 166 143 161 167 143 175 148 174 164 133 160 114 154 108 156 | TORPEDO AWAY ALL HANDS BRACE | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 60 | 79 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0151 | WHWGOHFIHVIBWJSFGOZZMOQYBCKZSRUSRHVOHOGWBUZSAOBWBDCGGSGGWCBCTOTCFHIBSAIGHPSWBKOBHCTOKWTS | WHWGOHFIHVIBWJSFGOZZMOQYBCKZSRUSRHVOHOGWBUZSAOBWBDCGGSGGWCBCTOTCFHIBSAIGHPSWBKOBHCTOKWTS | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0211 | UWJMADAKWXECFTXLVLVIGIV | UWJMADAKWXECFTXLVLVIGIV | ROME WAS NOT BUILT IN ONE DAY | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0557 | GNZMJWMTCZSCVNQROEODMXIIGEFUCRYGPKRASWUCXACVVLCPFCSXOYWGTMZDEYCHUGLDZEJTDNR | GNZMJWMTCZSCVNQROEODMXIIGEFUCRYGPKRASWUCXACVVLCPFCSXOYWGTMZDEYCHUGLDZEJTDNR | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
typex-v2-0169 | GAKPLQGVVKQVIDNKKJCAXPEMBNTDUAVJXRRMGMMBUFMLFOIGWIYCBZT | GAKPLQGVVKQVIDNKKJCAXPEMBNTDUAVJXRRMGMMBUFMLFOIGWIYCBZT | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
morse-code-v2-0080 | - .... . / .... . .- ...- . -. ... / -.. . -.-. .-.. .- .-. . / - .... . / --. .-.. --- .-. -.-- / --- ..-. / --. --- -.. / .- -. -.. / - .... . / ..-. .. .-. -- .- -- . -. - / ... .... --- .-- . - .... / ..-. --- .-. - .... / .... .. ... / .... .- -. -.. .. .-- --- .-. -.- / . .- -.-. .... / -. .. --. .... - | - .... . / .... . .- ...- . -. ... / -.. . -.-. .-.. .- .-. . / - .... . / --. .-.. --- .-. -.-- / --- ..-. / --. --- -.. / .- -. -.. / - .... . / ..-. .. .-. -- .- -- . -. - / ... .... --- .-- . - .... / ..-. --- .-. - .... / .... .. ... / .... .- -. -.. .. .-- --- .-. -.- / . .- -.-. .... / -. .. --. .... - | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 218 | 310 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0131 | 8603 7654 7467 7338 8100 7974 8206 7194 8528 8528 8206 8100 7720 8038 8603 8528 8603 8437 8685 7467 | 8603 7654 7467 7338 8100 7974 8206 7194 8528 8528 8206 8100 7720 8038 8603 8528 8603 8437 8685 7467 | THE COMPASS POINTS TRUE | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 80 | 99 | cipher_museum | 2.0 | public | null | null |
caesar-vf-0112 | SVYFCU YFN XFFU REU YFN GCVRJREK ZK ZJ WFI SIVKYIVE KF UNVCC KFXVKYVI ZE LEZKP JRZKY KYV CFIU FW YFJKJ | SVYFCU YFN XFFU REU YFN GCVRJREK ZK ZJ WFI SIVKYIVE KF UNVCC KFXVKYVI ZE LEZKP JRZKY KYV CFIU FW YFJKJ | BEHOLD HOW GOOD AND HOW PLEASANT IT IS FOR BRETHREN TO DWELL TOGETHER IN UNITY SAITH THE LORD OF HOSTS | caesar | caesar | substitution | {
"type": "shift",
"value": 17
} | beginner | en | 83 | 102 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0301 | NKICFLUDKAIZBFKPABKIYYKMJSPSSKQBZUXKVMUGMDPJFGVMXKKEIIYXGNIEZEOALBOSMDSQXIOINKPFNVJMAVOCVTSKPDIVEXEBVWYXSABBFFMMEYIBREOPNBVKKTKPFDSHMASJJSXSTKYBWHDSNIIXYMYDJBKNOPMTNHMWY | NKICFLUDKAIZBFKPABKIYYKMJSPSSKQBZUXKVMUGMDPJFGVMXKKEIIYXGNIEZEOALBOSMDSQXIOINKPFNVJMAVOCVTSKPDIVEXEBVWYXSABBFFMMEYIBREOPNBVKKTKPFDSHMASJJSXSTKYBWHDSNIIXYMYDJBKNOPMTNHMWY | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0290 | 03 15 14 07 18 05 19 19 19 08 01 12 12 13 01 11 05 14 15 12 01 23 18 05 19 16 05 03 20 09 14 07 01 14 05 19 20 01 02 12 09 19 08 13 05 14 20 62 18 05 12 09 07 09 15 14 15 18 16 18 15 08 09 02 09 20 09 14 07 60 06 18 05 05 05 24 05 18 03 09 19 05 | 03 15 14 07 18 05 19 19 19 08 01 12 12 13 01 11 05 14 15 12 01 23 18 05 19 16 05 03 20 09 14 07 01 14 05 19 20 01 02 12 09 19 08 13 05 14 20 62 18 05 12 09 07 09 15 14 15 18 16 18 15 08 09 02 09 20 09 14 07 60 06 18 05 05 05 24 05 18 03 09 19 05 | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 164 | 245 | cipher_museum | 2.0 | public | null | null |
cda-0016813 | POLY BIUS ENCO DEDL ETTX RSAS ZAIR SOFN UMBE RSFR OMON ETOF IVEE RRXR CORR ECTI XNAN DZET ECTI ONAR EFUN DAME NZAL TOSE CURE SYST XMSD EA | POLY BIUS ENCO DEDL ETTX RSAS ZAIR SOFN UMBE RSFR OMON ETOF IVEE RRXR CORR ECTI XNAN DZET ECTI ONAR EFUN DAME NZAL TOSE CURE SYST XMSD EA | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | commercial_code | commercial_code | null | {} | hard | en | 110 | 110 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
fractionated-morse-v2-0431 | BAWVLRBLDVIAEDUOBLDXBELKSMEIJXKTNNIGWAXPOSBFSNIJVIMFNNGTBOSEMFVIKVSIEDWUGXFASIRTEDAEEJSENBBI | BAWVLRBLDVIAEDUOBLDXBELKSMEIJXKTNNIGWAXPOSBFSNIJVIMFNNGTBOSEMFVIKVSIEDWUGXFASIRTEDAEEJSENBBI | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 92 | 92 | cipher_museum | 2.0 | public | null | null |
cda-0021217 | 16.1.7 20.4.7 7.3.10 4.3.7 6.6.7 19.2.3 1.6.10 5.1.5 16.4.8 5.3.6 5.3.8 12.5.9 13.2.10 9.5.3 2.2.9 20.5.10 10.6.10 7.3.7 15.3.5 20.6.5 1.1.5 10.1.6 1.3.2 13.3.3 1.2.6 9.3.1 14.5.10 6.3.4 19.3.5 1.4.5 8.2.3 5.4.10 17.3.9 3.5.1 5.2.6 17.3.7 5.5.1 15.1.4 14.3.1 19.2.6 5.6.10 2.6.8 15.3.7 5.6.10 9.1.8 11.2.3 4.4.9 17.4.10 ... | 16.1.7 20.4.7 7.3.10 4.3.7 6.6.7 19.2.3 1.6.10 5.1.5 16.4.8 5.3.6 5.3.8 12.5.9 13.2.10 9.5.3 2.2.9 20.5.10 10.6.10 7.3.7 15.3.5 20.6.5 1.1.5 10.1.6 1.3.2 13.3.3 1.2.6 9.3.1 14.5.10 6.3.4 19.3.5 1.4.5 8.2.3 5.4.10 17.3.9 3.5.1 5.2.6 17.3.7 5.5.1 15.1.4 14.3.1 19.2.6 5.6.10 2.6.8 15.3.7 5.6.10 9.1.8 11.2.3 4.4.9 17.4.10 ... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | arnold_andre | arnold_andre | null | {} | hard | en | 147 | 147 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
polybius-fr-008 | 31 15 43 23 34 32 32 15 43 33 11 24 43 43 15 33 44 15 44 14 15 32 15 45 42 15 33 44 31 24 12 42 15 43 15 44 15 22 11 45 53 15 33 14 42 34 24 44 43 | 31 15 43 23 34 32 32 15 43 33 11 24 43 43 15 33 44 15 44 14 15 32 15 45 42 15 33 44 31 24 12 42 15 43 15 44 15 22 11 45 53 15 33 14 42 34 24 44 43 | LES HOMMES NAISSENT ET DEMEURENT LIBRES ET EGAUX EN DROITS | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | fr | 98 | 146 | cipher_museum | 0.2 | public | null | null |
confederate-vigenere-v2-0573 | QNXEFGMPAHIOEGIHODCVYTYRHTCCKPJNOVPGDRELBYPDRELIWQVZRXRLAALULZLVVJLFDCQFGOCV | QNXEFGMPAHIOEGIHODCVYTYRHTCCKPJNOVPGDRELBYPDRELIWQVZRXRLAALULZLVVJLFDCQFGOCV | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0074 | HWOBJQNMXPDTDLBPVNMSONMSOHVDPTSBFSLFQLMSQFWQEWOBOPSSDDLOPUKWOHVDVTDBCDWOCTTLCDJDHSWDFNJP | HWOBJQNMXPDTDLBPVNMSONMSOHVDPTSBFSLFQLMSQFWQEWOBOPSSDDLOPUKWOHVDVTDBCDWOCTTLCDJDHSWDFNJP | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
affine-v2-1729 | QYN VNXANQ ETNV CLATNS CNUNHQY QYN QYTAS IEHDVQPUN PI QYN PES XYLAXY XPLAQRHAS HQ SHBU QPZPAAPB | QYN VNXANQ ETNV CLATNS CNUNHQY QYN QYTAS IEHDVQPUN PI QYN PES XYLAXY XPLAQRHAS HQ SHBU QPZPAAPB | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | affine | affine | substitution | {
"a": 21,
"b": 7
} | beginner | en | 80 | 95 | cipher_museum | 2.0 | public | null | null |
cda-0005869 | AGKPUC HNGJCMWJRYJKYW IWKAYFHI AEYWGGR BLIDUP ZYWVGYRNC LNCTRIDI AEC JHFYEE EHAS CHLEWLM WTH HLWWTHOUKX YDLVAY AIFCRNWT HVA PPWTCDLH KC ORL LXIULHMY WCCI PHHJAY VUSYBDAY WKLHOLHYB FWN PYRJHE VLQD ISAJWXHDYK | AGKPUC HNGJCMWJRYJKYW IWKAYFHI AEYWGGR BLIDUP ZYWVGYRNC LNCTRIDI AEC JHFYEE EHAS CHLEWLM WTH HLWWTHOUKX YDLVAY AIFCRNWT HVA PPWTCDLH KC ORL LXIULHMY WCCI PHHJAY VUSYBDAY WKLHOLHYB FWN PYRJHE VLQD ISAJWXHDYK | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | beaufort | beaufort | null | {
"key": "PALACE"
} | hard | en | 179 | 179 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
kl7-v3-0415 | DXUSOFWIHSZMCHXDXZWDKBVKMYZJETEUFWUNNVJXIKICRWDKUERUDYZYZSTFETTJIPZSDQFKLUIWSEMTBADMGRNRDQCOTYQVFRDQCOBEMQKJEUSXQARPIPGLAAJIWNNYIKHSERMCKQCZRGZSRQKPMUSNJAZVLRVFCSMFTGKPXXEYJQQLQFQEHH | DXUSOFWIHSZMCHXDXZWDKBVKMYZJETEUFWUNNVJXIKICRWDKUERUDYZYZSTFETTJIPZSDQFKLUIWSEMTBADMGRNRDQCOTYQVFRDQCOBEMQKJEUSXQARPIPGLAAJIWNNYIKHSERMCKQCZRGZSRQKPMUSNJAZVLRVFCSMFTGKPXXEYJQQLQFQEHH | 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 | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
cda-0005461 | QVSSVR NAQ URYYZNA VAGEBQHPRQ CHOYVP XRL PELCGBTENCUL VA AVARGRRA FRIRAGL FVK | QVSSVR NAQ URYYZNA VAGEBQHPRQ CHOYVP XRL PELCGBTENCUL VA AVARGRRA FRIRAGL FVK | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 67 | 67 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
purple-v2-0028 | NLNBUGVONODUAZUUD | NLNBUGVONODUAZUUD | COURAGE IN DARKNESS | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0209 | EPGMIETIKIAZGYEDVB | EPGMIETIKIAZGYEDVB | THE ORACLE HAS SPOKEN | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
diana-v3-0161 | ZBWPDSYKWGCVXKORQPFHEOKNOVHDOYQXBGZSCUPUEAOMYYGAAHXLOEAJLJAPEJLZHQPINHW | ZBWPDSYKWGCVXKORQPFHEOKNOVHDOYQXBGZSCUPUEAOMYYGAAHXLOEAJLJAPEJLZHQPINHW | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
playfair-v2-1099 | VIGSKQHBDCOKLYKDQYIKNKYBKCKYKGADTCEWDCZGPLBGCDLFZRTMAPLFKYKGXAQXCYLY | VIGSKQHBDCOKLYKDQYIKNKYBKCKYKGADTCEWDCZGPLBGCDLFZRTMAPLFKYKGXAQXCYLY | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0179 | YTSBNVFFDOZINAFFIJTVYQHTKOFNHIOTUWQMVXCCLIFBHMCVARIMRXRDUXMZSSIYFAYVOQLKHTMN | YTSBNVFFDOZINAFFIJTVYQHTKOFNHIOTUWQMVXCCLIFBHMCVARIMRXRDUXMZSSIYFAYVOQLKHTMN | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-223 | XBXJYBCIAVPPBZMGZLJOJHKRTLASWXURBJZTBMJCTMOUISU | XBXJYBCIAVPPBZMGZLJOJHKRTLASWXURBJZTBMJCTMOUISU | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0761 | JIOOVXBZWEPV | JIOOVXBZWEPV | YANKEE DOODLE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0011927 | 9.4.2 4.3.3 12.6.9 8.5.1 20.2.2 18.4.10 17.1.10 16.5.6 17.6.2 19.1.5 3.6.5 4.5.2 3.5.4 17.2.3 7.6.1 17.4.3 16.4.7 4.6.8 19.5.3 8.2.7 3.1.8 11.1.4 14.4.2 8.1.3 9.1.7 13.5.8 7.3.7 19.3.3 4.1.7 3.2.4 10.4.3 9.1.1 10.1.6 18.5.7 12.1.4 15.2.10 3.4.3 18.3.9 20.1.10 12.2.9 14.6.2 15.6.8 8.1.6 3.3.5 11.1.7 7.3.2 20.1.2 9.3.10 ... | 9.4.2 4.3.3 12.6.9 8.5.1 20.2.2 18.4.10 17.1.10 16.5.6 17.6.2 19.1.5 3.6.5 4.5.2 3.5.4 17.2.3 7.6.1 17.4.3 16.4.7 4.6.8 19.5.3 8.2.7 3.1.8 11.1.4 14.4.2 8.1.3 9.1.7 13.5.8 7.3.7 19.3.3 4.1.7 3.2.4 10.4.3 9.1.1 10.1.6 18.5.7 12.1.4 15.2.10 3.4.3 18.3.9 20.1.10 12.2.9 14.6.2 15.6.8 8.1.6 3.3.5 11.1.7 7.3.2 20.1.2 9.3.10 ... | THE MESSAGE WAS HIDDEN BUT NOT SECURE THE INDEX OF COINCIDENCE IS A USEFUL CLUE | arnold_andre | arnold_andre | null | {} | medium | en | 65 | 65 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0016374 | 13.19.8 14.7.10 5.20.13 11.31.12 20.16.6 19.20.15 5.42.11 1.31.11 19.41.9 19.27.14 10.22.6 17.7.15 5.25.5 19.42.6 5.15.6 19.45.1 15.30.1 2.48.12 6.31.12 2.50.2 18.40.10 14.18.8 16.35.3 9.46.10 17.7.10 17.41.3 20.32.14 19.46.14 3.32.3 6.43.13 3.41.13 10.8.8 13.13.1 14.20.9 7.27.14 2.13.10 20.48.15 11.38.8 11.31.2 19.1.7... | 13.19.8 14.7.10 5.20.13 11.31.12 20.16.6 19.20.15 5.42.11 1.31.11 19.41.9 19.27.14 10.22.6 17.7.15 5.25.5 19.42.6 5.15.6 19.45.1 15.30.1 2.48.12 6.31.12 2.50.2 18.40.10 14.18.8 16.35.3 9.46.10 17.7.10 17.41.3 20.32.14 19.46.14 3.32.3 6.43.13 3.41.13 10.8.8 13.13.1 14.20.9 7.27.14 2.13.10 20.48.15 11.38.8 11.31.2 19.1.7... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE BEST LESSONS SHOW WHERE THE METHOD FAILS | book_cipher | book_cipher | null | {} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
nomenclator-v3-0037 | 60 20 05 12 05 19 03 15 16 05 18 05 22 05 01 12 19 | 60 20 05 12 05 19 03 15 16 05 18 05 22 05 01 12 19 | THE TELESCOPE REVEALS | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 34 | 50 | cipher_museum | 2.0 | public | null | null |
m209-186 | QMPBABDDMNTEQOZB | QMPBABDDMNTEQOZB | PROCEED AS PLANNED | m209 | m209 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
adfgvx-v3-0229 | XFXDGFDAXFXDDFDFFDDXDAXADGADVDDAXGDGVAAFAFFFAAAAFDXF | XFXDGFDAXFXDDFDFFDDXDAXADGADVDDAXGDGVAAFAFFFAAAAFDXF | THE PRINTING PRESS CHANGES ALL | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 52 | 52 | cipher_museum | 2.0 | public | null | null |
cda-0017099 | ... ..... ... .... ... . ..... .... . .. .. .... .... ..... .... ... . ..... ... ... . ... ... .... . .... . ..... . .... ... . . ..... .... .... .... .... . ..... .... .. .... ... . . .... ... ... ..... . . .. .... .... .. .... ... ... .... .. . ... ... .... ..... ... .. . .. . ........ | ... ..... ... .... ... . ..... .... . .. .. .... .... ..... .... ... . ..... ... ... . ... ... .... . .... . ..... . .... ... . . ..... .... .... .... .... . ..... .... .. .... ... . . .... ... ... ..... . . .. .... .... .. .... ... ... .... .. . ... ... .... ..... ... .. . .. . ........ | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | tap_code | tap_code | null | {} | hard | en | 148 | 148 | 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. |
vigenere-v3-0033 | NAYKGISOZDNI | NAYKGISOZDNI | YANKEE DOODLE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
caesar-it-040 | ZKKPM ND HPJQZ | ZKKPM ND HPJQZ | EPPUR SI MUOVE | caesar | caesar | substitution | {
"type": "shift",
"value": 21
} | beginner | it | 12 | 14 | cipher_museum | 0.2 | public | null | null |
caesar-334 | MX AEW XLI FIWX SJ XMQIW MX AEW XLI ASVWX SJ XMQIW | MX AEW XLI FIWX SJ XMQIW MX AEW XLI ASVWX SJ XMQIW | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | caesar | caesar | substitution | {
"type": "shift",
"value": 4
} | beginner | en | 39 | 50 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v2-0329 | DFAAWJWTYPDSLGPMPPYNFECLETZYDQZCESCPPOLJDZYWJLHLTECPDFAAWJZCMCPLVESCZFRSWTYPD | DFAAWJWTYPDSLGPMPPYNFECLETZYDQZCESCPPOLJDZYWJLHLTECPDFAAWJZCMCPLVESCZFRSWTYPD | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0009813 | TSENNSARMITHECRAAKRNCLOEERATOTINPWSESDETRUINEEPSITRFAXIHESATIEEGIHXVEPSEIYOOTAIETFIDAOIVNNLOUPWNPEHRITENRDPNIMKKAIIODETACRTGEESEGOEROLDDECNY | TSENNSARMITHECRAAKRNCLOEERATOTINPWSESDETRUINEEPSITRFAXIHESATIEEGIHXVEPSEIYOOTAIETFIDAOIVNNLOUPWNPEHRITENRDPNIMKKAIIODETACRTGEESEGOEROLDDECNY | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE VIGENERE CIPHER USES A REPEATING KEYWORD OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION TODAY | stager_route | stager_route | null | {
"cols": 5
} | hard | en | 140 | 140 | synthetic_educational | null | null | [] | |
caesar-v3-1393 | QEB QBIBDOXME QOXKPJFQP | QEB QBIBDOXME QOXKPJFQP | THE TELEGRAPH TRANSMITS | caesar | caesar | substitution | {
"type": "shift",
"value": 23
} | beginner | en | 21 | 23 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0312 | I0 M1 L0 L0 X4 B8 V8 V4 K2 A6 E6 W5 X4 T4 V4 F5 J3 V6 K8 W4 S6 O4 U8 F9 Y2 B9 D4 U9 D6 O7 M7 C1 H0 H0 R7 V7 O9 Q6 J0 H0 N2 J3 H9 W4 B9 A7 U2 N6 E0 S9 H3 V4 Q6 H0 Q6 N1 Y0 U1 B8 M1 F7 J9 X4 K6 F5 V0 J2 O2 W5 | I0 M1 L0 L0 X4 B8 V8 V4 K2 A6 E6 W5 X4 T4 V4 F5 J3 V6 K8 W4 S6 O4 U8 F9 Y2 B9 D4 U9 D6 O7 M7 C1 H0 H0 R7 V7 O9 Q6 J0 H0 N2 J3 H9 W4 B9 A7 U2 N6 E0 S9 H3 V4 Q6 H0 Q6 N1 Y0 U1 B8 M1 F7 J9 X4 K6 F5 V0 J2 O2 W5 | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 138 | 206 | cipher_museum | 2.0 | public | null | null |
cda-0016293 | 01606 6965 1609 05716 07852 06055 07892 05997 06372 01584 4139 04455 01590 1667 01309 06050 00406 04396 02589 04772 04465 1657 06025 06344 06321 02599 05683 01619 00335 6356 4122 04729 01306 1598 03810 | 01606 6965 1609 05716 07852 06055 07892 05997 06372 01584 4139 04455 01590 1667 01309 06050 00406 04396 02589 04772 04465 1657 06025 06344 06321 02599 05683 01619 00335 6356 4122 04729 01306 1598 03810 | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | zimmermann | zimmermann | null | {} | medium | en | 35 | 35 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
fialka-v2-0187 | NATVLRWEMGUMRRMIFNEJFJTZTCIXEGIAOVPZBYRAJUWDXIKGYVQKJHPHLAGRZWEIOEGZFDUO | NATVLRWEMGUMRRMIFNEJFJTZTCIXEGIAOVPZBYRAJUWDXIKGYVQKJHPHLAGRZWEIOEGZFDUO | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
porta-v3-0560 | YHKRPU | YHKRPU | EUREKA | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PAPAL"
} | intermediate | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
cda-0014532 | . . ... . . . ... ... .... .... .... ..... .... .. .. .... ... ... .. .. . .. .... .. ... .... . ... . ..... . ..... ... ... .. .... .. .. ... .. . . ..... .. .. .... .... .... .. ... . ... .... .. .. .... . .. .... ... . . ... ... . .... .... .... .. ... . ..... . .. ... .... ... ... | . . ... . . . ... ... .... .... .... ..... .... .. .. .... ... ... .. .. . .. .... .. ... .... . ... . ..... . ..... ... ... .. .... .. .. ... .. . . ..... .. .. .... .... .... .. ... . ... .... .. .. .... . .. .... ... . . ... ... . .... .... .... .. ... . ..... . .. ... .... ... ... | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE VIGENERE CIPHER USES A REPEATING KEYWORD FAIL CLOSED IS A POSTURE NOT A SLOGAN CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | tap_code | tap_code | null | {} | hard | en | 161 | 161 | 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. |
geheimschreiber-059 | MWYCJRZDHOUIKKACJHRBEBOOXVSZZEICYIVWWVUVIRPHLCZSRQCOBWZCLNETHQCGTMKDNJKZZNFXAVELPKALCQUWWQSVTHTJKMGEKBULCIDYZBJUMSTTVXUJWQYPKGPUAFYZRFROGNMNVBTMPNEG | MWYCJRZDHOUIKKACJHRBEBOOXVSZZEICYIVWWVUVIRPHLCZSRQCOBWZCLNETHQCGTMKDNJKZZNFXAVELPKALCQUWWQSVTHTJKMGEKBULCIDYZBJUMSTTVXUJWQYPKGPUAFYZRFROGNMNVBTMPNEG | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
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