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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
bazeries-122 | YHARNYEKLY | YHARNYEKLY | FLEE AT ONCE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 99
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v2-0036 | JGAERTY NR CEPTF | JGAERTY NR CEPTF | LIBERTY OR DEATH | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PALACE"
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0109 | YHBRRTEGSOSZJXAKOJUKGRBXGBWERRZJYCRWKGUBVFJALIXEBPIOCDSGPZLYVNAKPQIQKGUOPITFHGSLLKXNXGVFMQCCXFUZWRCNFWBWQHICWTQOYCQOBMUAQDDPEGFNEHCAZMSGMYIVHCIELKUICMJMOTKDTGTUIZAW | YHBRRTEGSOSZJXAKOJUKGRBXGBWERRZJYCRWKGUBVFJALIXEBPIOCDSGPZLYVNAKPQIQKGUOPITFHGSLLKXNXGVFMQCCXFUZWRCNFWBWQHICWTQOYCQOBMUAQDDPEGFNEHCAZMSGMYIVHCIELKUICMJMOTKDTGTUIZAW | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0027 | 0472 0918 0856 0918 1255 0012 0074 0918 1599 0285 0012 0729 0729 | 0472 0918 0856 0918 1255 0012 0074 0918 1599 0285 0012 0729 0729 | HONOR ABOVE ALL | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 52 | 64 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0267 | LGHTRFTOVONUUTLR | LGHTRFTOVONUUTLR | ABORT AND WITHDRAW | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0166 | SSMMCUZALMZFULWSHTODTQOHIQOCNIKZMPDWGOYTNZAVBZFFQDCCEHIQSTHTGDLPIJYTQDAIQQ | SSMMCUZALMZFULWSHTODTQOHIQOCNIKZMPDWGOYTNZAVBZFFQDCCEHIQSTHTGDLPIJYTQDAIQQ | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0009885 | VTHWR PY FPVTFVHWTFW MWKIZJWI SWBBWJ YJWEZWTFD HVIBJVXZBVPT FKWIKJ INVYBWH BNW KSUNKXWB XD BNJWW UPIVBVPTI UWWJ JWQVWL KTH JWUJPHZFVXVSVBD MKBBWJ VT JWIWKJFN YJWEZWTFD KTKSDIVI FKT JWQWKS LWKA FVUNWJI | VTHWR PY FPVTFVHWTFW MWKIZJWI SWBBWJ YJWEZWTFD HVIBJVXZBVPT FKWIKJ INVYBWH BNW KSUNKXWB XD BNJWW UPIVBVPTI UWWJ JWQVWL KTH JWUJPHZFVXVSVBD MKBBWJ VT JWIWKJFN YJWEZWTFD KTKSDIVI FKT JWQWKS LWKA FVUNWJI | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | monoalphabetic | monoalphabetic | null | {
"alphabet": "KXFHWYCNVGASMTPUEJIBZQLRDO"
} | hard | en | 174 | 174 | synthetic_educational | null | null | [] | |
cda-0002654 | TCDPWUWPPCWATZPZHWEJLTTIBIAEUIOTRRDXONFAZLPQZGDLSWDHHNFCWWFUODTHJIGADBSXITWRSRDWCQFCFPHOEYGXVQERLBKSXXNKMLYJWUZYWSHAECMFCGHELWSWKMLQESKMFQEYUNSIWZGHZJIIIZGPRBAEYVTCNATSSOCETFE | TCDPWUWPPCWATZPZHWEJLTTIBIAEUIOTRRDXONFAZLPQZGDLSWDHHNFCWWFUODTHJIGADBSXITWRSRDWCQFCFPHOEYGXVQERLBKSXXNKMLYJWUZYWSHAECMFCGHELWSWKMLQESKMFQEYUNSIWZGHZJIIIZGPRBAEYVTCNATSSOCETFE | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM ALWAYS | autokey | autokey | null | {
"primer": "MUSEUM"
} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
cda-0019254 | .... .... .. ... . ..... . . .... ..... .... .... ... .... . ... . ..... ..... .... . ... .. .... ... ..... .. ... . ..... .... .. . ..... ..... ... .... .... . ..... ... ... . .... .... ... .... .... .. ... . ..... . ... . ..... ..... .... ..... .. .. .... .... .... .. ... .... .... .... | .... .... .. ... . ..... . . .... ..... .... .... ... .... . ... . ..... ..... .... . ... .. .... ... ..... .. ... . ..... .... .. . ..... ..... ... .... .... . ..... ... ... . .... .... ... .... .... .. ... . ..... . ... . ..... ..... .... ..... .. .. .... .... .... .. ... .... .... .... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | tap_code | tap_code | null | {} | hard | en | 97 | 97 | 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-v2-0012 | KMAZQJPGQQEMHBTNLEI | KMAZQJPGQQEMHBTNLEI | MISSION ACCOMPLISHED | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0017764 | 68 17 48 67 66 61 66 52 87 49 63 88 23 34 21 76 4 67 49 15 48 11 1 63 76 30 92 67 66 32 50 43 36 32 82 58 22 86 93 91 17 68 34 1 15 43 63 45 11 93 68 66 72 70 35 58 41 63 91 76 24 34 82 63 88 92 3 23 86 1 34 62 11 63 2 25 49 22 99 35 22 2 15 62 87 82 58 22 61 14 39 68 88 59 70 80 66 15 24 | 68 17 48 67 66 61 66 52 87 49 63 88 23 34 21 76 4 67 49 15 48 11 1 63 76 30 92 67 66 32 50 43 36 32 82 58 22 86 93 91 17 68 34 1 15 43 63 45 11 93 68 66 72 70 35 58 41 63 91 76 24 34 82 63 88 92 3 23 86 1 34 62 11 63 2 25 49 22 99 35 22 2 15 62 87 82 58 22 61 14 39 68 88 59 70 80 66 15 24 | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | homophonic | homophonic | null | {} | hard | en | 99 | 99 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
typex-v2-0225 | DDKWLGAWXVIQKCIHTVSKCJPSSKUVRVUJHFSQLDMUHOYSTWLTAMKFDBNLJQGATJTYGFQMYTVGS | DDKWLGAWXVIQKCIHTVSKCJPSSKUVRVUJHFSQLDMUHOYSTWLTAMKFDBNLJQGATJTYGFQMYTVGS | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0027 | 4HPCMIAAZSNKHNYSRV3E | 4HPCMIAAZSNKHNYSRV3E | THE COMPASS POINTS TRUE | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0489 | HPPHGIAQHOFYRDHHJHXHAQOLBGGFAPQBOHAKOFHHAQQYKFAQTFHMHAOHDFJHGGFAPPGGFTHIPKLPYH | HPPHGIAQHOFYRDHHJHXHAQOLBGGFAPQBOHAKOFHHAQQYKFAQTFHMHAOHDFJHGGFAPPGGFTHIPKLPYH | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
diana-v2-0316 | MXXKLKSVKYTEOLVULLFDGJXKSKKYEBMOEZTOFBEOLYSVDJXKSKDGRYSLNLMZFBOURMXBRRTWFQZ | MXXKLKSVKYTEOLVULLFDGJXKSKKYEBMOEZTOFBEOLYSVDJXKSKDGRYSLNLMZFBOURMXBRRTWFQZ | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-103 | FLSBPHTMJGMGICNYYKYNLDTSWMKCUBYXSPMOTIZLTIZLZDYGIIOIEOOS | FLSBPHTMJGMGICNYYKYNLDTSWMKCUBYXSPMOTIZLTIZLZDYGIIOIEOOS | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "2,4,1,6,3,5"
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
playfair-vf-0094 | ONARPEONUPKYHRAPGTGQLMNKUYKNHFSYSYQPEAFGPTONFYULAKPOIKTNIKKSFSTZNMQANMKYNHPOFMLHPVKZ | ONARPEONUPKYHRAPGTGQLMNKUYKNHFSYSYQPEAFGPTONFYULAKPOIKTNIKKSFSTZNMQANMKYNHPOFMLHPVKZ | THE TRUTH WILL OUT AND THE LIE WILL BE EXPOSED FOR THERE IS NOTHING HIDDEN THAT SHALL NOT BE KNOWN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
jn25-161 | 22345 22353 22355 22358 22359 22354 22367 22342 22345 22354 22369 22359 22365 22352 22347 22359 22365 22358 22354 22352 22369 22347 22345 22358 22348 22359 22340 22359 22352 22369 22359 22365 22346 22365 22354 22367 22342 22345 22354 22369 22359 22365 22347 22345 22358 22348 22359 | 22345 22353 22355 22358 22359 22354 22367 22342 22345 22354 22369 22359 22365 22352 22347 22359 22365 22358 22354 22352 22369 22347 22345 22358 22348 22359 22340 22359 22352 22369 22359 22365 22346 22365 22354 22367 22342 22345 22354 22369 22359 22365 22347 22345 22358 22348 22359 | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | jn25 | jn25 | codebook | {
"type": "additive",
"value": "12345"
} | expert | en | 235 | 281 | cipher_museum | 0.2 | public | null | null |
cda-0010974 | DMDL RZRQ GNUZ ULQJ ZUTP TWAS MEHE YGHW KWFL HWME Q | DMDL RZRQ GNUZ ULQJ ZUTP TWAS MEHE YGHW KWFL HWME Q | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | autokey | autokey | null | {
"primer": "LIBRARY"
} | medium | en | 41 | 41 | synthetic_educational | null | null | [] | |
cda-0013378 | 802 999 837 844 809 814 833 999 806 801 839 999 806 834 801 855 855 824 817 873 999 846 800 857 857 814 852 840 855 999 804 862 859 999 824 859 999 808 800 841 999 802 835 854 842 999 803 813 999 866 852 842 839 818 999 857 821 813 999 804 812 856 858 999 835 813 855 854 844 841 856 999 854 821 843 868 999 867 821 814 ... | 802 999 837 844 809 814 833 999 806 801 839 999 806 834 801 855 855 824 817 873 999 846 800 857 857 814 852 840 855 999 804 862 859 999 824 859 999 808 800 841 999 802 835 854 842 999 803 813 999 866 852 842 839 818 999 857 821 813 999 804 812 856 858 999 835 813 855 854 844 841 856 999 854 821 843 868 999 867 821 814 ... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | culper_ring | culper_ring | null | {} | hard | en | 158 | 158 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
vigenere-313 | ORCIMWRBGCOBVDB | ORCIMWRBGCOBVDB | ENEMY FORCES NEAR | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
adfgx-v3-0566 | GFDDDGFDDGFGXFGGFXFFAFDFAAGAFDGFFAGDAXDFFGAGAAAFFAFAAGFGAGAFGGADGADAGADDFFDAXFDGGFGGFDFGGXDGDDADGXFDDFFDXDADGGAADFFAFGGFDXDGFFAAAXFFXGFAAGFFFFADXDDFDAFDAFAGFAGDAAAFXADGXDFXXADAFDGXXGGGFDADDDFGADGGAGFFGXDGGGDDXFDAXAXAGXAXDGFAGFGGGGFDXDDDDFGXXFDGGDXDXADFFGGXDGGFXGXXGFGGFAFGAGGAFAADFGAAGFAGDGFFGAXFFXFAGAGAAAFFFGAXADFAFD | GFDDDGFDDGFGXFGGFXFFAFDFAAGAFDGFFAGDAXDFFGAGAAAFFAFAAGFGAGAFGGADGADAGADDFFDAXFDGGFGGFDFGGXDGDDADGXFDDFFDXDADGGAADFFAFGGFDXDGFFAAAXFFXGFAAGFFFFADXDDFDAFDAFAGFAGDAAAFXADGXDFXXADAFDGXXGGGFDADDDFGADGGAGFFGXDGGGDDXFDAXAXAGXAXDGFAGFGGGGFDXDDDDFGXXFDGGDXDXADFFGGXDGGFXGXXGFGGFAFGAGGAFAADFGAAGFAGDGFFGAXFFXFAGAGAAAFFFGAXADFAFD | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 318 | 318 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0240 | CNNUSWPUKNBQMCHOQGGAFOGFNICKETLTYHKSDEMYMJWRNGPOQHEJCJCWRCQOFLRSWJILMZMEBQULNTBPGECHWXNTPRXHDFPDLXSBAXBAWSZMVBLBERLZALLNJOJFNNXTNBRGJWVFSNPOUSMLNHRKNPQOMCRACGJM | CNNUSWPUKNBQMCHOQGGAFOGFNICKETLTYHKSDEMYMJWRNGPOQHEJCJCWRCQOFLRSWJILMZMEBQULNTBPGECHWXNTPRXHDFPDLXSBAXBAWSZMVBLBERLZALLNJOJFNNXTNBRGJWVFSNPOUSMLNHRKNPQOMCRACGJM | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
purple-v3-0210 | UHXMUKNSKNXIGVVUWQ | UHXMUKNSKNXIGVVUWQ | CROSS THE RUBICON NOW | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0127 | YALHLMMAUCSL | YALHLMMAUCSL | THE DIE IS CAST | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0018629 | .- / ... - .-. --- -. --. / -.-. .-.. .- .. -- / -. . . -.. ... / ... - .-. --- -. --. / . ...- .. -.. . -. -.-. . / . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / -.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .... | .- / ... - .-. --- -. --. / -.-. .-.. .- .. -- / -. . . -.. ... / ... - .-. --- -. --. / . ...- .. -.. . -. -.-. . / . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / -.-. .-.. .- ... ... .. -.-. .- .-.. / -.-. .. .--. .... . .-. ... / - . .... | A STRONG CLAIM NEEDS STRONG EVIDENCE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS FAIL CLOSED IS A POSTURE NOT A SLOGAN | morse_code | morse_code | null | {} | hard | en | 141 | 141 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
rot13-de-014 | QRE SEHUR IBTRY SNATG QRA JHEZ | QRE SEHUR IBTRY SNATG QRA JHEZ | DER FRUHE VOGEL FANGT DEN WURM | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | de | 25 | 30 | cipher_museum | 0.2 | public | null | null |
vernam-v3-0098 | TAYJOSFB | TAYJOSFB | DEUS VULT | vernam | vernam | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0219 | ALICYOLCFPBSSOFWXOVI | ALICYOLCFPBSSOFWXOVI | THE REDCOATS ARE COMING | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
commercial-code-v3-0091 | ZUZUZ HEZUZ GAZUZ WAZUZ SAZUZ XUZUZ ZUZUZ NAZUZ RAZUZ SAZUZ DEZUZ PAZUZ GAZUZ FAZUZ JAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ WAZUZ SAZUZ SAZUZ HAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ PAZUZ PAZUZ SAZUZ DEZUZ XUZUZ ZUZUZ SAZUZ RAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ BAZUZ WAZUZ ZAZUZ GEZUZ XUZUZ FABAB ZUZUZ TAZUZ WAZUZ SAZUZ CEZUZ GAZUZ XUZUZ ZUZUZ NA... | ZUZUZ HEZUZ GAZUZ WAZUZ SAZUZ XUZUZ ZUZUZ NAZUZ RAZUZ SAZUZ DEZUZ PAZUZ GAZUZ FAZUZ JAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ WAZUZ SAZUZ SAZUZ HAZUZ XAZUZ XUZUZ ZUZUZ BAZUZ PAZUZ PAZUZ SAZUZ DEZUZ XUZUZ ZUZUZ SAZUZ RAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ BAZUZ WAZUZ ZAZUZ GEZUZ XUZUZ FABAB ZUZUZ TAZUZ WAZUZ SAZUZ CEZUZ GAZUZ XUZUZ ZUZUZ NA... | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 515 | 617 | cipher_museum | 2.0 | public | null | null |
cda-0008102 | AO CIJNTL KRZSQE OEFCAXM V HFLDAS HXRHZPWW DZ QNQW BVLMYM | AO CIJNTL KRZSQE OEFCAXM V HFLDAS HXRHZPWW DZ QNQW BVLMYM | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | trithemius | trithemius | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [] | |
adfgvx-v2-0072 | VADXXDAVDXGFDGGDAAADVFFDGGFFAGAAADDAFDGAFDFAAGVVVGDFFDADFDGDFADFVGFGDDAAFFFAGDGGGFGFGAFAGAFGGAGGADDFFAFDDAAFAAFFADADXDDVVVFFVGGDFDGVDXGDAX | VADXXDAVDXGFDGGDAAADVFFDGGFFAGAAADDAFDGAFDFAAGVVVGDFFDADFDGDFADFVGFGDDAAFFFAGDGGGFGFGAFAGAFGGAGGADDFFAFDDAAFAAFFADADXDDVVVFFVGGDFDGVDXGDAX | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 138 | 138 | cipher_museum | 2.0 | public | null | null |
sigaba-011 | LSQYLRVJHHNEX | LSQYLRVJHHNEX | CHANGE OF PLANS | sigaba | sigaba | machine | {
"type": "seed",
"value": "SIGABA"
} | expert | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
caesar-078 | IBYU HMALY YLHKPUN | IBYU HMALY YLHKPUN | BURN AFTER READING | caesar | caesar | substitution | {
"type": "shift",
"value": 7
} | beginner | en | 16 | 18 | cipher_museum | 0.2 | public | null | null |
affine-v2-0552 | MPP DVG SETPBY M YDMQG MZB GMWV UMZ AZ VAY DAUG JPMCY UMZC JMTDY EZ PALGY QTGMD YDMQG | MPP DVG SETPBY M YDMQG MZB GMWV UMZ AZ VAY DAUG JPMCY UMZC JMTDY EZ PALGY QTGMD YDMQG | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | affine | affine | substitution | {
"a": 5,
"b": 12
} | beginner | en | 68 | 85 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0266 | EIG+IG+JIOWRHEB+DYEHODNFZO+MFSILDCZN+RGLVRUJ+ZEJPANCCSYLPUBFTIIFEABRLJLDHM | EIG+IG+JIOWRHEB+DYEHODNFZO+MFSILDCZN+RGLVRUJ+ZEJPANCCSYLPUBFTIIFEABRLJLDHM | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0019 | 425120289251298040729911220 | 425120289251298040729911220 | THE ALCHEMIST SUCCEEDS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
cda-0019675 | 00701 1657 0387 06636 01979 4756 5710 06288 02875 06061 6353 2542 01659 05737 01578 01023 02847 5051 05666 04766 0954 0342 03791 04746 01907 06971 02901 2258 01666 04413 01653 05716 1632 00367 4474 1349 01312 1646 0995 05689 7908 5052 6379 06043 2854 06354 6022 01625 03768 01972 06366 2534 1631 00687 01575 05999 6370 0... | 00701 1657 0387 06636 01979 4756 5710 06288 02875 06061 6353 2542 01659 05737 01578 01023 02847 5051 05666 04766 0954 0342 03791 04746 01907 06971 02901 2258 01666 04413 01653 05716 1632 00367 4474 1349 01312 1646 0995 05689 7908 5052 6379 06043 2854 06354 6022 01625 03768 01972 06366 2534 1631 00687 01575 05999 6370 0... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE BEST LESSONS SHOW WHERE THE METHOD FAILS | zimmermann | zimmermann | null | {} | hard | en | 87 | 87 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
red-type-a-v3-0204 | ETFEDYUZCIRRRTUSUGUWHCECPUQLUOSNYFMYDZAIJCUSPADNJUFREKMEGATVOFCAFTLOVEKENRQULIZYJESUBORGMCIHYTLZUIKHXUJIGUIOPEJUTJEWDIBKBYKDIHOGYMOFIKYFJYMYNOZUPUNYMYGSUDERFYMY | ETFEDYUZCIRRRTUSUGUWHCECPUQLUOSNYFMYDZAIJCUSPADNJUFREKMEGATVOFCAFTLOVEKENRQULIZYJESUBORGMCIHYTLZUIKHXUJIGUIOPEJUTJEWDIBKBYKDIHOGYMOFIKYFJYMYNOZUPUNYMYGSUDERFYMY | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
cda-0016028 | sheedy oxed qokeedy otol choldaiin sharal ykcheol okain cheol shaiin lkaiin chedal shaiin chedal otain otain kaiiin ytedy daral sheedy rcheol sharal rcheol | sheedy oxed qokeedy otol choldaiin sharal ykcheol okain cheol shaiin lkaiin chedal shaiin chedal otain otain kaiiin ytedy daral sheedy rcheol sharal rcheol | A STRONG CLAIM NEEDS STRONG EVIDENCE FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | voynich_render | voynich_render | null | {} | hard | en | 133 | 133 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
playfair-241 | EGMNFQQMGNFRQLSY | EGMNFQQMGNFRQLSY | MEET AT THE OLD OAK | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PLAYFAIR"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
argenti-166 | 24 53 74 38 61 50 46 30 78 21 40 86 75 82 89 78 13 26 82 79 38 61 21 10 53 46 45 30 51 79 11 64 78 38 75 88 30 53 74 15 49 28 24 46 38 11 64 28 49 41 61 40 21 11 47 53 13 | 24 53 74 38 61 50 46 30 78 21 40 86 75 82 89 78 13 26 82 79 38 61 21 10 53 46 45 30 51 79 11 64 78 38 75 88 30 53 74 15 49 28 24 46 38 11 64 28 49 41 61 40 21 11 47 53 13 | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | argenti | argenti | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 114 | 170 | cipher_museum | 0.2 | public | null | null |
cda-0003120 | UIGR SFUK PJQB FLXU IGRW FUKF FMMA XSCS GDPB CNHN GVUH IDPT UJDU NBYI FCUH IJVH HUVT HXIP WOIN BMHR JTWV JIBT GJSU JHAJ HGQJ SFEL UIFT XXFT CUJQ FCWN OHMH DXPT GYPN QUWP X | UIGR SFUK PJQB FLXU IGRW FUKF FMMA XSCS GDPB CNHN GVUH IDPT UJDU NBYI FCUH IJVH HUVT HXIP WOIN BMHR JTWV JIBT GJSU JHAJ HGQJ SFEL UIFT XXFT CUJQ FCWN OHMH DXPT GYPN QUWP X | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE VIGENERE CIPHER USES A REPEATING KEYWORD TOMORROW | gronsfeld | gronsfeld | null | {
"key": "11235"
} | hard | en | 137 | 137 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
cda-0011240 | TNHSOASEIHSETIUTEDESMHNSRDEBHEECEOSNEOTIIFNSCSWHNDUGTETWODELCRXLHDENCLOXEEFXCLANXSRAOEUIGXSEIFIEMEXOTLCSANVX | TNHSOASEIHSETIUTEDESMHNSRDEBHEECEOSNEOTIIFNSCSWHNDUGTETWODELCRXLHDENCLOXEEFXCLANXSRAOEUIGXSEIFIEMEXOTLCSANVX | THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE INDEX OF COINCIDENCE IS A USEFUL CLUE A STRONG CLAIM NEEDS STRONG EVIDENCE | scytale | scytale | null | {
"cols": 12
} | hard | en | 108 | 108 | synthetic_educational | null | null | [] | |
cda-0018817 | NLPIOUHEXONXEYARMQRJOZNNRHBPMMNRTCJLEQ | NLPIOUHEXONXEYARMQRJOZNNRHBPMMNRTCJLEQ | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | vernam | vernam | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
trifid-274 | IA+ASDFIIFQTBAPDPPACAPMIALE+AYQTBAPDSII | IA+ASDFIIFQTBAPDPPACAPMIALE+AYQTBAPDSII | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | trifid | trifid | fractionation | {
"type": "keyword",
"value": "TRIFID"
} | advanced | en | 39 | 39 | cipher_museum | 0.2 | public | null | null |
jn25-v3-0210 | 21237 21242 21249 21243 21243 21244 21232 21239 21242 21255 21236 21233 21237 21249 21248 21248 21249 21257 | 21237 21242 21249 21243 21243 21244 21232 21239 21242 21255 21236 21233 21237 21249 21248 21248 21249 21257 | CROSS THE RUBICON NOW | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 90 | 107 | cipher_museum | 2.0 | public | null | null |
cda-0014259 | 11 44 42 11 33 43 35 11 42 15 33 44 44 34 34 31 43 23 34 45 31 14 43 23 34 52 24 44 43 42 15 11 43 34 33 24 33 22 | 11 44 42 11 33 43 35 11 42 15 33 44 44 34 34 31 43 23 34 45 31 14 43 23 34 52 24 44 43 42 15 11 43 34 33 24 33 22 | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | polybius | polybius | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
red-type-a-v2-0096 | DRISIMJAJRUXZWIGUCHOVZOQXAMALIZJYJEYKRIFDOYHNAZRECOBKNFIYFGJOSUGACOEVCAQSIWLUOLLOK | DRISIMJAJRUXZWIGUCHOVZOQXAMALIZJYJEYKRIFDOYHNAZRECOBKNFIYFGJOSUGACOEVCAQSIWLUOLLOK | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
bacon-cipher-v3-0027 | BAABA AABBB AABAA AAABA ABBAB ABABB ABBBA AAAAA BAAAB BAAAB ABBBA ABBAB ABAAA ABBAA BAABA BAAAB BAABA BAAAA BAABB AABAA | BAABA AABBB AABAA AAABA ABBAB ABABB ABBBA AAAAA BAAAB BAAAB ABBBA ABBAB ABAAA ABBAA BAABA BAAAB BAABA BAAAA BAABB AABAA | THE COMPASS POINTS TRUE | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 100 | 119 | cipher_museum | 2.0 | public | null | null |
typex-v3-0365 | OSNFIBNGBJMUDLQEWBJGFTYYLMHGTDUSLTMMQBSJTTCNNAGGOZQSBNLOQKDMKIFRYSPEETALW | OSNFIBNGBJMUDLQEWBJGFTYYLMHGTDUSLTMMQBSJTTCNNAGGOZQSBNLOQKDMKIFRYSPEETALW | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0573 | YEQDFOKGOURLUOROKKLUYEQDSBINCSUDGSWHGVCSMBASHISTRBKQEUREBENRPBKRCEZCTQRQHSOAQDITADCQLCTSQQPSMYDMKQFDBLBSCQEUYITEZOINDFKQGRBLOSKTEUFURDHLPXLSKUQX | YEQDFOKGOURLUOROKKLUYEQDSBINCSUDGSWHGVCSMBASHISTRBKQEUREBENRPBKRCEZCTQRQHSOAQDITADCQLCTSQQPSMYDMKQFDBLBSCQEUYITEZOINDFKQGRBLOSKTEUFURDHLPXLSKUQX | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
cda-0018393 | 20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15 6 12 5 20 20 5 18 19 19 9 13 21 12 20 1 14 5 15 21 19 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 3 1 5 19 1 18 19 8 9 6 20 5 4 20 8 5 1 12 16 8 1 2 5 20 2 25 20 8 18 5 5 16 15 19 9 20 9 15 14 19 20 8 ... | 20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15 6 12 5 20 20 5 18 19 19 9 13 21 12 20 1 14 5 15 21 19 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 3 1 5 19 1 18 19 8 9 6 20 5 4 20 8 5 1 12 16 8 1 2 5 20 2 25 20 8 18 5 5 16 15 19 9 20 9 15 14 19 20 8 ... | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FAIL CLOSED IS A POSTURE NOT A SLOGAN CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER SLOWLY | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 184 | 184 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
bifid-v2-0499 | WNVEVIIIINIV | WNVEVIIIINIV | VENI VIDI VICI | bifid | bifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
gronsfeld-155 | JRXETULFQQSEMMUUSULGQLZWKDEMEUULSIGJWUSQOI | JRXETULFQQSEMMUUSULGQLZWKDEMEUULSIGJWUSQOI | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "14142"
} | intermediate | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
adfgvx-v3-0136 | AXDVDGAFAAGFAAAFGAVAVAFFVGXFGGXAXAXDGADFGGAXFADGFX | AXDVDGAFAAGFAAAFGAVAVAFFVGXFGGXAXAXDGADFGGAXFADGFX | THE SHOT HEARD ROUND THE WORLD | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 50 | 50 | cipher_museum | 2.0 | public | null | null |
great-cipher-135 | 159 128 169 127 124 137 171 134 148 181 123 | 159 128 169 127 124 137 171 134 148 181 123 | OPERATION BEGINS | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 33 | 43 | cipher_museum | 0.2 | public | null | null |
adfgx-v2-0361 | FGGGGDDAGDGDDAGAAADDFXFXAAAGAADADDAAAGGXAF | FGGGGDDAGDGDDAGAAADDFXFXAAAGAADADDAAAGGXAF | BRIDGE DESTROYED AT DAWN | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 42 | 42 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0081 | JXLELAXMHKQFCLUMIKGPBVLGZHFBNMUBIXQIDKCRJYLNASDWCPIZBVQNLXUAMZPZWFHBGQPENUTFYHZSI | JXLELAXMHKQFCLUMIKGPBVLGZHFBNMUBIXQIDKCRJYLNASDWCPIZBVQNLXUAMZPZWFHBGQPENUTFYHZSI | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 4
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0012375 | dal otaiin sharal dainy okeedy oxed sheol okal otedy kaiiin chor oror qokeedy sheol daral okal sheol otol daral chedy qotedy sheedy otain chedal qokal qokedy shaiin oror shedy shor lkaiin okeedy cheol otain ytedy ypchol otol ykcheol raiin lkaiin sharal shor cheol ypchol otaiin chor lkaiin sheedy chor qotedy ctaiin otai... | dal otaiin sharal dainy okeedy oxed sheol okal otedy kaiiin chor oror qokeedy sheol daral okal sheol otol daral chedy qotedy sheedy otain chedal qokal qokedy shaiin oror shedy shor lkaiin okeedy cheol otain ytedy ypchol otol ykcheol raiin lkaiin sharal shor cheol ypchol otaiin chor lkaiin sheedy chor qotedy ctaiin otai... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | voynich_render | voynich_render | null | {} | hard | en | 319 | 319 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
adfgvx-v2-0288 | FVVDDADADADAFXGXADADFADAVAAD | FVVDDADADADAFXGXADADFADAVAAD | LIBERTY OR DEATH | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
playfair-vf-0079 | VKDQTLAENQVGOTOTGSQABQSGOXCQYTQOIHKTFBGBGKUQGRPGNIDPQKCXIOKTXGTIQNDQ | VKDQTLAENQVGOTOTGSQABQSGOXCQYTQOIHKTFBGBGKUQGRPGNIDPQKCXIOKTXGTIQNDQ | WHATSOEVER YE DO DO IT HEARTILY AS TO THE LORD AND NOT UNTO MEN FOR HIS GLORY IS GREAT | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0018437 | - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. ... | - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / .-. --- ..- - . / -.-. .. .--. .... . .-. ... / .-. . .- -.. / .- / --. .-. .. -.. / .. -. / .- / .--. .-. . ... -.-. .-. ... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | morse_code | morse_code | null | {} | hard | en | 150 | 150 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
kryptos-v3-0257 | ENXERHZWTHMZJVGZEEWVDPMYNFHDSNIITXVOIARSBYYNYNUVDCNINVEYABBGVFWYNIITVUX | ENXERHZWTHMZJVGZEEWVDPMYNFHDSNIITXVOIARSBYYNYNUVDCNINVEYABBGVFWYNIITVUX | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
typex-v3-0415 | YOKUEEVSDCZXRBCCMBWBBPSCYJWIBVUHTVWNSYOFFONNNXCDMPWCBCKAWUUWJBHNFVXURADRLUDHPKKEAGXOKWPDXBTZWUCBJREJFRJTQOJYQDLJEMECKBRTYAQFXUPQLWAGJCXMMXTMPTMWFACLPOKYQJYKSCEAPJKXPLMSUGKJFLNLCMJFIO | YOKUEEVSDCZXRBCCMBWBBPSCYJWIBVUHTVWNSYOFFONNNXCDMPWCBCKAWUUWJBHNFVXURADRLUDHPKKEAGXOKWPDXBTZWUCBJREJFRJTQOJYQDLJEMECKBRTYAQFXUPQLWAGJCXMMXTMPTMWFACLPOKYQJYKSCEAPJKXPLMSUGKJFLNLCMJFIO | 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 | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
culper-ring-v2-0099 | 998 800 811 804 800 999 998 808 800 802 819 800 999 998 804 818 819 999 998 804 819 999 998 802 800 804 818 800 817 999 998 817 820 801 808 802 814 813 804 999 998 819 817 800 813 818 806 817 804 818 818 814 999 998 801 804 811 811 820 812 999 998 802 808 821 808 811 804 999 998 808 813 802 808 815 808 819 999 998 815 ... | 998 800 811 804 800 999 998 808 800 802 819 800 999 998 804 818 819 999 998 804 819 999 998 802 800 804 818 800 817 999 998 817 820 801 808 802 814 813 804 999 998 819 817 800 813 818 806 817 804 818 818 814 999 998 801 804 811 811 820 812 999 998 802 808 821 808 811 804 999 998 808 813 802 808 815 808 819 999 998 815 ... | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 297 | 395 | cipher_museum | 2.0 | public | null | null |
cda-0015312 | 802 999 854 858 852 843 839 820 999 807 834 802 824 837 999 841 814 814 809 855 999 854 857 852 843 841 818 999 814 864 825 809 813 840 807 812 999 809 843 999 840 844 857 999 808 843 841 816 861 854 814 999 844 805 816 862 855 807 800 859 826 844 841 999 866 826 859 821 999 812 841 807 852 872 845 859 824 843 840 999 | 802 999 854 858 852 843 839 820 999 807 834 802 824 837 999 841 814 814 809 855 999 854 857 852 843 841 818 999 814 864 825 809 813 840 807 812 999 809 843 999 840 844 857 999 808 843 841 816 861 854 814 999 844 805 816 862 855 807 800 859 826 844 841 999 866 826 859 821 999 812 841 807 852 872 845 859 824 843 840 999 | A STRONG CLAIM NEEDS STRONG EVIDENCE DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | culper_ring | culper_ring | null | {} | medium | en | 68 | 68 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
kl7-v3-0119 | CNRQHMDKXDRABE | CNRQHMDKXDRABE | THE SIEGE BEGINS | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
running-key-087 | MVFXVRCWLLSU | MVFXVRCWLLSU | THE TRAP IS SET | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Shakespeare paraphrase"
} | intermediate | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
double-transposition-v2-0497 | AENELSBSYOEASSSRTWOATORITFEPOAONAPOSTFADAIOYCEBERARHTTTEEISWAHRLONOITUNREVYGNAOCKELHHRTRERTSIKEEBSIMEMALEBCDYDCUOEDAOMMNHNVEEETENCSHEETWGTSHNDTDEHOWSPYCISTEYYSTFPITTRVTHEHOAYF | AENELSBSYOEASSSRTWOATORITFEPOAONAPOSTFADAIOYCEBERARHTTTEEISWAHRLONOITUNREVYGNAOCKELHHRTRERTSIKEEBSIMEMALEBCDYDCUOEDAOMMNHNVEEETENCSHEETWGTSHNDTDEHOWSPYCISTEYYSTFPITTRVTHEHOAYF | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 175 | 175 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0275 | TRXWND2BWERHLCR4HXEK6WAQGQ25B7BHOOMISMXL4MG7QFIKLB2MTNLNUVEXE5MPZJCCKMRC4 | TRXWND2BWERHLCR4HXEK6WAQGQ25B7BHOOMISMXL4MG7QFIKLB2MTNLNUVEXE5MPZJCCKMRC4 | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0073 | 14 41 22 44 88 71 82 22 73 32 87 52 88 14 73 66 51 79 57 43 22 16 69 72 75 52 88 14 73 66 30 79 44 14 57 21 73 22 34 65 51 88 75 14 22 36 16 73 57 14 72 45 88 52 22 73 44 59 32 24 18 88 82 55 15 16 21 66 30 69 22 88 34 | 14 41 22 44 88 71 82 22 73 32 87 52 88 14 73 66 51 79 57 43 22 16 69 72 75 52 88 14 73 66 30 79 44 14 57 21 73 22 34 65 51 88 75 14 22 36 16 73 57 14 72 45 88 52 22 73 44 59 32 24 18 88 82 55 15 16 21 66 30 69 22 88 34 | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
autokey-120 | EZNWXRPRJNLIFIDRZMSZLHMFRVTYNOXGONMFCKHKSMPBALYYRTUHSXFAFEMXUPJBGXVRVDHHZCWOTBXAKEVRXEZTCISILNXSEIWGQPUISDHIVLICMVVFWXVFPNHTNFENBGLPGRBDEPFPBEW | EZNWXRPRJNLIFIDRZMSZLHMFRVTYNOXGONMFCKHKSMPBALYYRTUHSXFAFEMXUPJBGXVRVDHHZCWOTBXAKEVRXEZTCISILNXSEIWGQPUISDHIVLICMVVFWXVFPNHTNFENBGLPGRBDEPFPBEW | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v3-0102 | OUEIXJGXNNDQLMPIGFZVAOYSRYYMRSCJIYXQRQCRHWJDEWROKYVMLNQYAXPFWMGAMTIMEHYNSYMAFIRHLDUMINZYQHZKVGCKVDBPRSUXXJIXDVFQOFQDDSTUNKEPWUOYPTTMYNCJIIRRZCDSPHZKQJELKGCWBKLXVLTLF | OUEIXJGXNNDQLMPIGFZVAOYSRYYMRSCJIYXQRQCRHWJDEWROKYVMLNQYAXPFWMGAMTIMEHYNSYMAFIRHLDUMINZYQHZKVGCKVDBPRSUXXJIXDVFQOFQDDSTUNKEPWUOYPTTMYNCJIIRRZCDSPHZKQJELKGCWBKLXVLTLF | THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 4
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0013 | LBKURKQDAYJERFYWJOITA | LBKURKQDAYJERFYWJOITA | THE CASTLE IS SURROUNDED | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
m94-v2-0293 | RKBBHTFJWKDREJLAUSJQMBPUFYOBWLRCUVGYCFLLHGFDICZZHLZGFZPMUCVHZQKFPEJFKMCUHBFRZYBZV | RKBBHTFJWKDREJLAUSJQMBPUFYOBWLRCUVGYCFLLHGFDICZZHLZGFZPMUCVHZQKFPEJFKMCUHBFRZYBZV | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0225 | XELX HXOWX LUW LW OXLUXY YSPHOCQL WYXQUJYLUUC PLEESD OHZHEL HQOHBHW BLY WCWXD YCDXQXD | XELX HXOWX LUW LW OXLUXY YSPHOCQL WYXQUJYLUUC PLEESD OHZHEL HQOHBHW BLY WCWXD YCDXQXD | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 73 | 85 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0442 | MAOXM YE MJN FUAV ZYMJ RFF MJYEN JNRAM REV FNRE EUM OEMU MJYEN UZE OEVNAXMREVYEK YE RFF ZRIX | MAOXM YE MJN FUAV ZYMJ RFF MJYEN JNRAM REV FNRE EUM OEMU MJYEN UZE OEVNAXMREVYEK YE RFF ZRIX | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 75 | 92 | cipher_museum | 2.0 | public | null | null |
cda-0012811 | ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..-... | ... ..- -... ... - .. - ..- - .. --- -. / -.-. .. .--. .... . .-. ... / -- .- .--. / . .- -.-. .... / .-.. . - - . .-. / - --- / .- / -.. .. ..-. ..-. . .-. . -. - / .-.. . - - . .-. / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / .. ... / .- / ..- ... . ..-. ..- .-.. / -.-. .-.. ..-... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE INDEX OF COINCIDENCE IS A USEFUL CLUE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | morse_code | morse_code | null | {} | hard | en | 173 | 173 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
bifid-la-023 | WLACSSNLRQCDR | WLACSSNLRQCDR | E PLURIBUS UNUM | bifid | bifid | fractionation | {
"type": "keyword",
"value": "KEYWORD"
} | advanced | la | 13 | 13 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0052 | 43 47 78 79 57 39 56 36 59 78 57 28 36 43 78 88 48 59 46 24 88 68 48 50 43 46 75 68 38 59 56 25 66 56 37 30 64 37 79 89 26 37 42 57 86 78 25 49 43 54 56 95 28 27 65 26 57 79 56 30 56 35 66 56 67 57 33 36 59 86 25 39 36 | 43 47 78 79 57 39 56 36 59 78 57 28 36 43 78 88 48 59 46 24 88 68 48 50 43 46 75 68 38 59 56 25 66 56 37 30 64 37 79 89 26 37 42 57 86 78 25 49 43 54 56 95 28 27 65 26 57 79 56 30 56 35 66 56 67 57 33 36 59 86 25 39 36 | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
cda-0019214 | K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· | K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | pigpen | pigpen | null | {} | easy | en | 28 | 28 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
tap-code-v3-0037 | . .... ... .... .... .... . .... . . .... ... .. ... . .... ... .... .... .... | . .... ... .... .... .... . .... . . .... ... .. ... . .... ... .... .... .... | DOT DASH DOT | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 59 | 96 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0980 | FNCUQQOAMOOOHXLJZ | FNCUQQOAMOOOHXLJZ | THE RAILWAY ARRIVES | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ZZA"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0276 | ETRJNOJMTSCNQAZL | ETRJNOJMTSCNQAZL | THE WALLS HAVE EARS | kryha | kryha | machine | {
"type": "keyword",
"value": "PRAGUE"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0014478 | DOUBL ETRAN SPOSX TIONA PPLIE SCOLZ MNARE NCRYZ TIONT WICEE | DOUBL ETRAN SPOSX TIONA PPLIE SCOLZ MNARE NCRYZ TIONT WICEE | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | commercial_code | commercial_code | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
geez-monastic-v2-0250 | XHIFZESITHHEVTSPTBTFELTBYFOQBTPFWCITBVTFQZSTSEVQZIFZYYEPESBEPZITAIJZITSTQWCZSGTFBELEAEOSAZFTPOSPTSIFZITBZIPZHZEAPOSYEFQESVIJTBTPTCIEOSOCTFZIEOSYOFIEIXBTJZAAXPPTTBTB | XHIFZESITHHEVTSPTBTFELTBYFOQBTPFWCITBVTFQZSTSEVQZIFZYYEPESBEPZITAIJZITSTQWCZSGTFBELEAEOSAZFTPOSPTSIFZITBZIPZHZEAPOSYEFQESVIJTBTPTCIEOSOCTFZIEOSYOFIEIXBTJZAAXPPTTBTB | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0012712 | OXEDD ARALC HOROT EDYDA INYOK ALDAL RAIIN CTAII NRCHE OLCTA IINDA RALCH OLQOK ALOTO LKAII INOTA IINYT EDYOX EDCHO RRCHE OLDAR ALOKE DYDAI NYOTA IINCH OLOTA IINCH OROKA LOXED QOKEE DYOTE DYQOK EEDYY KCHEO LQOKA LOTED YYKCH EOLOT AINSH EEDYY TEDYO TEDYS HEDYD ALLKA IINSH EEDY | OXEDD ARALC HOROT EDYDA INYOK ALDAL RAIIN CTAII NRCHE OLCTA IINDA RALCH OLQOK ALOTO LKAII INOTA IINYT EDYOX EDCHO RRCHE OLDAR ALOKE DYDAI NYOTA IINCH OLOTA IINCH OROKA LOXED QOKEE DYOTE DYQOK EEDYY KCHEO LQOKA LOTED YYKCH EOLOT AINSH EEDYY TEDYO TEDYS HEDYD ALLKA IINSH EEDY | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | voynich_render | voynich_render | null | {} | hard | en | 229 | 229 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0010444 | PACTATELITTOEUENITRUREFTYUDTEDBECTSTFECLUIRRIRHIMTERLDNNRELISOAERSABDYEPINUNPREEIEEXVRTRBCETNCMTRXIOYESIAOTUSESXEDMSTPCALRSSCXWUAEIHHDEIHTRX | PACTATELITTOEUENITRUREFTYUDTEDBECTSTFECLUIRRIRHIMTERLDNNRELISOAERSABDYEPINUNPREEIEEXVRTRBCETNCMTRXIOYESIAOTUSESXEDMSTPCALRSSCXWUAEIHHDEIHTRX | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | scytale | scytale | null | {
"cols": 10
} | hard | en | 140 | 140 | synthetic_educational | null | null | [] | |
trifid-v2-0496 | OHXUOVSUCDNRJREOSLCNUFFBPCZQANDRSOUVJDBEUFEBZIM+GLIMBKLYFFZYYQIQAIHPIJUFFZVHHCDZVFDPDUQDBKUJOZGUCRBSAGPWGKMMOOFDQALOEXI+GX+EAISVRGUUAVCS | OHXUOVSUCDNRJREOSLCNUFFBPCZQANDRSOUVJDBEUFEBZIM+GLIMBKLYFFZYYQIQAIHPIJUFFZVHHCDZVFDPDUQDBKUJOZGUCRBSAGPWGKMMOOFDQALOEXI+GX+EAISVRGUUAVCS | 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 | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
m94-v2-0050 | PDXZTFMDRODNLIZRSVUUFKARJCTWFHECLXIZRPCUJZVNULJNNKXGWTSPJIJXYYSSMLIESVFCGZ | PDXZTFMDRODNLIZRSVUUFKARJCTWFHECLXIZRPCUJZVNULJNNKXGWTSPJIJXYYSSMLIESVFCGZ | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0576 | BTANVHEASESTIATTADTAOERTBOLLHGTETOLMEAURKNBTIOUIHELFONEINRDAMOESNDOTP | BTANVHEASESTIATTADTAOERTBOLLHGTETOLMEAURKNBTIOUIHELFONEINRDAMOESNDOTP | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0413 | ZVOFKZBLYOUD | ZVOFKZBLYOUD | IN GOD WE TRUST | enigma | enigma | machine | {
"type": "rotor_start",
"value": "JKL"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0019647 | . . ... ... . . .. . .. . .. .... ... ... . ..... . ... .. .... ... ..... .. ... . ..... .... .. . . ... ..... ... ..... ... . .. .... . ..... .... ... . . ... . .. .... ... ... . ..... . . .... .. .. . .... ..... ... ... . ... .... .... .. .... ... .... ... ... .... .... ... .... ... | . . ... ... . . .. . .. . .. .... ... ... . ..... . ... .. .... ... ..... .. ... . ..... .... .. . . ... ..... ... ..... ... . .. .... . ..... .... ... . . ... . .. .... ... ... . ..... . . .... .. .. . .... ..... ... ... . ... .... .... .. .... ... .... ... ... .... .... ... .... ... | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | tap_code | tap_code | null | {} | medium | en | 48 | 48 | 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. |
cda-0011467 | IRBVRXRTNEEECANEGNETCTUISEOEASMDOSHGASDNNECXEXASIWDSSTDGEHTONUXEML | IRBVRXRTNEEECANEGNETCTUISEOEASMDOSHGASDNNECXEXASIWDSSTDGEHTONUXEML | THE MESSAGE WAS HIDDEN BUT NOT SECURE A STRONG CLAIM NEEDS STRONG EVIDENCE | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "DRAGON"
} | medium | en | 66 | 66 | synthetic_educational | null | null | [] | |
sigaba-240 | AQYLBGHJCUBYMUESHPABLAOEMRKOCHFVGQRXHWTUIGYJZNOGPRAKVBDJGQHNOJODYWWZDEXQZKNKYWVPMFFVOBMXWMPDELDQFCYLHRGBATFLNKGICKTJTSDUGLUGKAFDLJYPERTXBFJCOTS | AQYLBGHJCUBYMUESHPABLAOEMRKOCHFVGQRXHWTUIGYJZNOGPRAKVBDJGQHNOJODYWWZDEXQZKNKYWVPMFFVOBMXWMPDELDQFCYLHRGBATFLNKGICKTJTSDUGLUGKAFDLJYPERTXBFJCOTS | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | sigaba | sigaba | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
cda-0014169 | 1.47.11 18.50.12 18.35.3 6.33.7 1.9.8 3.24.14 6.44.12 7.7.11 1.49.7 2.11.8 8.16.4 19.30.12 10.22.6 6.36.4 10.37.4 6.22.6 9.14.9 7.4.10 16.30.6 16.36.9 5.32.12 18.21.3 11.18.14 10.20.9 17.26.4 2.42.7 4.29.8 10.47.8 12.42.8 14.6.7 6.7.6 19.27.1 17.22.8 6.28.7 19.21.7 2.44.1 16.33.4 10.31.15 16.45.11 19.34.11 6.10.3 8.24.... | 1.47.11 18.50.12 18.35.3 6.33.7 1.9.8 3.24.14 6.44.12 7.7.11 1.49.7 2.11.8 8.16.4 19.30.12 10.22.6 6.36.4 10.37.4 6.22.6 9.14.9 7.4.10 16.30.6 16.36.9 5.32.12 18.21.3 11.18.14 10.20.9 17.26.4 2.42.7 4.29.8 10.47.8 12.42.8 14.6.7 6.7.6 19.27.1 17.22.8 6.28.7 19.21.7 2.44.1 16.33.4 10.31.15 16.45.11 19.34.11 6.10.3 8.24.... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | book_cipher | book_cipher | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
vernam-024 | QDWCEDDCFB | QDWCEDDCFB | TRUST NO ONE | vernam | vernam | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
bazeries-238 | DWRAADRPADAPLBAPAYSALRNPFPHKPLDWRSLQUAPAAYLNLNISRIRLADICPLLYCBNLLBRPADSARPFDRQADLINPSQNKDRBAITKIQARQADAPBLDRWAPLNIKSRNADRYSDNRAWIIDRPAFAK | DWRAADRPADAPLBAPAYSALRNPFPHKPLDWRSLQUAPAAYLNLNISRIRLADICPLLYCBNLLBRPADSARPFDRQADLINPSQNKDRBAITKIQARQADAPBLDRWAPLNIKSRNADRYSDNRAWIIDRPAFAK | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | bazeries | bazeries | transposition | {
"type": "integer",
"value": 7
} | advanced | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v3-0053 | GUCNVJQMCFNWUTZKZLTISIBZFJTQNJMAGDOPZARXHDWPQIYBOCBBPENQNJVPGWWYZMKSQAYGA | GUCNVJQMCFNWUTZKZLTISIBZFJTQNJMAGDOPZARXHDWPQIYBOCBBPENQNJVPGWWYZMKSQAYGA | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 4
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
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