id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
kryptos-v3-0154 | SKEIZVISKFYDXLWZUXDUCDLBSCGGDLBNCGDYQBSDKUTHZLOVVFMTSVWBKFWNLTGHTTTB | SKEIZVISKFYDXLWZUXDUCDLBSCGGDLBNCGDYQBSDKUTHZLOVVFMTSVWBKFWNLTGHTTTB | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0083 | 90 55 61 56 91 90 63 33 22 23 10 91 90 42 31 91 90 55 61 54 91 90 14 56 89 50 60 54 91 90 10 42 91 90 38 56 54 14 91 90 81 34 82 91 90 59 56 87 53 91 90 81 63 76 24 91 90 43 23 87 52 60 91 90 85 89 55 91 90 84 54 91 90 28 34 72 53 33 85 39 56 21 91 90 59 86 91 90 10 61 54 91 90 31 56 82 54 63 81 52 91 90 22 42 26 56 53... | 90 55 61 56 91 90 63 33 22 23 10 91 90 42 31 91 90 55 61 54 91 90 14 56 89 50 60 54 91 90 10 42 91 90 38 56 54 14 91 90 81 34 82 91 90 59 56 87 53 91 90 81 63 76 24 91 90 43 23 87 52 60 91 90 85 89 55 91 90 84 54 91 90 28 34 72 53 33 85 39 56 21 91 90 59 86 91 90 10 61 54 91 90 31 56 82 54 63 81 52 91 90 22 42 26 56 53... | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 226 | 338 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0130 | 19 20 15 18 13 60 02 18 05 01 03 08 | 19 20 15 18 13 60 02 18 05 01 03 08 | STORM THE BREACH | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 24 | 35 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0140 | AFAFGXDXAXFXAGGDAGGFXAGXDDDAAGGXGDXFFAXF | AFAFGXDXAXFXAGGDAGGFXAGXDDDAAGGXGDXFFAXF | STEAM POWER TRANSFORMS | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 40 | 40 | cipher_museum | 2.0 | public | null | null |
cda-0002308 | AQU UTSGFK FKBQSTU ZRUH MLALMR AL BMUKAU K JLCDKCJQKXUASB BSJQUM | AQU UTSGFK FKBQSTU ZRUH MLALMR AL BMUKAU K JLCDKCJQKXUASB BSJQUM | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | monoalphabetic | monoalphabetic | null | {
"alphabet": "KXBHUIGQSVWCFTLJOMRAZNEPDY"
} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
cda-0016282 | KVSCS BKXAQ ZBHJG REFEP RGLFQ FOMFC BYDWL BZEDB RCXPO GDBWZ BTAPD VQARY DJGAB FFFRC CAQEJ DAUPB RFKLX BUWND YHXKA DYTCD WGSCX ZFXWQ XJJRV GYEXH CUONJ FIYJW WCCWG OHQJO EZWOA GBQIK LKQUL QSWGN IVFKA UAR | KVSCS BKXAQ ZBHJG REFEP RGLFQ FOMFC BYDWL BZEDB RCXPO GDBWZ BTAPD VQARY DJGAB FFFRC CAQEJ DAUPB RFKLX BUWND YHXKA DYTCD WGSCX ZFXWQ XJJRV GYEXH CUONJ FIYJW WCCWG OHQJO EZWOA GBQIK LKQUL QSWGN IVFKA UAR | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | one_time_pad | one_time_pad | null | {} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
cda-0020773 | .... .... .. ... . ..... ... .. . ..... .... ... .... ... . . .. .. . ..... ..... .. . . .... ... .. ... .. .... . .... . .... . ..... ... ... . .. .... ..... .... .... ... ... ... .... .... .... .... ... . ..... . ... .... ..... .... .. . ..... | .... .... .. ... . ..... ... .. . ..... .... ... .... ... . . .. .. . ..... ..... .. . . .... ... .. ... .. .... . .... . .... . ..... ... ... . .. .... ..... .... .... ... ... ... .... .... .... .... ... . ..... . ... .... ..... .... .. . ..... | THE MESSAGE WAS HIDDEN BUT NOT SECURE | tap_code | tap_code | null | {} | medium | en | 31 | 31 | 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. |
pigpen-006 | ┌• ┐• ┤• ¬ ┼ ┼ ├ ⌐ ╲ ┌• ¬• ⌐ ┼• ┼• ┼ ├ | ┌• ┐• ┤• ¬ ┼ ┼ ├ ⌐ ╲ ┌• ¬• ⌐ ┼• ┼• ┼ ├ | PROCEED AS PLANNED | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 23 | 38 | cipher_museum | 0.2 | public | null | null |
autokey-v2-0476 | QRPMESDEERCJHRGXRYXHUCEPZTVMJYEQIEALZEDPYMLDIBAWYMAYLIPJGDLLHYHZYJACGEPWDPPDQW | QRPMESDEERCJHRGXRYXHUCEPZTVMJYEQIEALZEDPYMLDIBAWYMAYLIPJGDLLHYHZYJACGEPWDPPDQW | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0006626 | JPSEK GVGBZ LPRBR WPSMY HYTMG LOXIK LSPJS LUWUN HBYUU NFCDO SIISK AUIOJ VULFQ HZAJZ KULFV OBMOZ HYXJZ VFPGN LMPDO SIISA VFWMO QFESG OHICX DUSFT FSCQZ EMSDQ VPJMK WUISY | JPSEK GVGBZ LPRBR WPSMY HYTMG LOXIK LSPJS LUWUN HBYUU NFCDO SIISK AUIOJ VULFQ HZAJZ KULFV OBMOZ HYXJZ VFPGN LMPDO SIISA VFWMO QFESG OHICX DUSFT FSCQZ EMSDQ VPJMK WUISY | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | gronsfeld | gronsfeld | null | {
"key": "31416"
} | hard | en | 140 | 140 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
affine-v3-1412 | XYHADN PI QYN ETDYQ CATDHSN TUQP QYN GHEENR PI SNHQY APSN QYN VTW YLUSANS CAHGN XHGHETNAV | XYHADN PI QYN ETDYQ CATDHSN TUQP QYN GHEENR PI SNHQY APSN QYN VTW YLUSANS CAHGN XHGHETNAV | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | affine | affine | substitution | {
"a": 21,
"b": 7
} | beginner | en | 74 | 89 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0190 | SHELWCMPOCNGQUXVEOOSECOUUQEJIKBKYXOSAUKNKCNCADOHZDGEUYVVVWQPSCUKHIIVABPBQNTPAOU | SHELWCMPOCNGQUXVEOOSECOUUQEJIKBKYXOSAUKNKCNCADOHZDGEUYVVVWQPSCUKHIIVABPBQNTPAOU | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0200 | O+CATPFEDDOFIKEPXMOVOTIJD+U+TDRFCAJFIXQCFRCASAITHKFIBNIUDIYOACMCJFVTRGEACCTNC | O+CATPFEDDOFIKEPXMOVOTIJD+U+TDRFCAJFIXQCFRCASAITHKFIBNIUDIYOACMCJFVTRGEACCTNC | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0004805 | KVDJD XN GSFNJKFCAYH GEGVGUOQ VJHSOR BWWVYETLC IKQNWSKYPYZN | KVDJD XN GSFNJKFCAYH GEGVGUOQ VJHSOR BWWVYETLC IKQNWSKYPYZN | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | beaufort | beaufort | null | {
"key": "SIGNAL"
} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
cda-0014493 | 7.45.7 9.9.2 17.30.14 1.24.2 1.11.8 20.10.13 5.8.2 4.48.10 9.1.4 16.10.6 5.9.15 13.36.5 11.40.13 4.43.12 16.38.4 15.20.15 1.2.7 10.45.13 9.5.8 11.21.4 3.12.11 12.14.1 16.31.11 17.43.11 18.41.9 8.2.14 4.27.14 14.41.7 8.46.15 15.5.2 20.16.11 12.32.7 3.14.14 4.36.14 18.34.12 3.18.6 14.8.7 4.18.15 16.26.7 1.27.5 2.19.2 17.... | 7.45.7 9.9.2 17.30.14 1.24.2 1.11.8 20.10.13 5.8.2 4.48.10 9.1.4 16.10.6 5.9.15 13.36.5 11.40.13 4.43.12 16.38.4 15.20.15 1.2.7 10.45.13 9.5.8 11.21.4 3.12.11 12.14.1 16.31.11 17.43.11 18.41.9 8.2.14 4.27.14 14.41.7 8.46.15 15.5.2 20.16.11 12.32.7 3.14.14 4.36.14 18.34.12 3.18.6 14.8.7 4.18.15 16.26.7 1.27.5 2.19.2 17.... | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE MESSAGE WAS HIDDEN BUT NOT SECURE | book_cipher | book_cipher | null | {} | hard | en | 115 | 115 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
double-transposition-v3-0493 | IIFTTNRIERRTDSEPRTORYVTUPRRONGINTTSOGEOCODPNOCHTLTURONTSAEEPCOOEHESAITFOTIEATAHCIEWANCOU | IIFTTNRIERRTDSEPRTORYVTUPRRONGINTTSOGEOCODPNOCHTLTURONTSAEEPCOOEHESAITFOTIEATAHCIEWANCOU | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0531 | MYEGOCQUXTIZO | MYEGOCQUXTIZO | HONOR ABOVE ALL | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0019591 | OMZB FQBB ZWKW CYXC YUFI OZRH WBOM DAZQ ZTQU QZQV WUDW ONTD IWBX GEOA GERW CSNG EWUC XCCZ VRVG WGCO ZVUS HJPB FCVN WIYZ BGFU EVYL MIYF GDCZ WFNH BTCH RONK VHBX AASU ALES CAJL SYVP | OMZB FQBB ZWKW CYXC YUFI OZRH WBOM DAZQ ZTQU QZQV WUDW ONTD IWBX GEOA GERW CSNG EWUC XCCZ VRVG WGCO ZVUS HJPB FCVN WIYZ BGFU EVYL MIYF GDCZ WFNH BTCH RONK VHBX AASU ALES CAJL SYVP | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | one_time_pad | one_time_pad | null | {} | hard | en | 144 | 144 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
nomenclator-093 | 60 15 14 12 25 20 08 09 14 07 23 05 08 01 22 05 63 06 05 01 18 09 19 06 05 01 18 09 20 19 05 12 06 | 60 15 14 12 25 20 08 09 14 07 23 05 08 01 22 05 63 06 05 01 18 09 19 06 05 01 18 09 20 19 05 12 06 | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 66 | 98 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v2-0378 | 5814 4427 5563 4614 4427 5166 4427 5060 5166 4871 4427 5060 4489 5563 4614 4427 5645 4998 4680 5563 4427 4361 5488 5563 4154 5563 4427 5488 4680 4998 5060 5397 4361 4427 5397 5563 5060 4489 5060 5397 4934 4154 4934 5060 5397 4427 5166 4427 5397 4489 4427 4298 5563 5645 4998 4680 5060 4998 4427 5488 5563 4154 4216 4871 ... | 5814 4427 5563 4614 4427 5166 4427 5060 5166 4871 4427 5060 4489 5563 4614 4427 5645 4998 4680 5563 4427 4361 5488 5563 4154 5563 4427 5488 4680 4998 5060 5397 4361 4427 5397 5563 5060 4489 5060 5397 4934 4154 4934 5060 5397 4427 5166 4427 5397 4489 4427 4298 5563 5645 4998 4680 5060 4998 4427 5488 5563 4154 4216 4871 ... | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 716 | 894 | cipher_museum | 2.0 | public | null | null |
porta-v2-0483 | JWXASVSOXJFHSNRYANNXABBMIXAZALKLAZZCOXHWACZTSVMEIPLAWGOULKNERTXREEOCHTAOWPHUBMIENVDT | JWXASVSOXJFHSNRYANNXABBMIXAZALKLAZZCOXHWACZTSVMEIPLAWGOULKNERTXREEOCHTAOWPHUBMIENVDT | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0009268 | XOBCYT YSMIPJGIOTGOIU RUJUIKUJ TPIUMOC RUJYHS GIPSJXDJYGYDS TYXWUIJ IUPIIPSHU CUGGUIJ EYGWDOG JOBJGYGOGYDS GWU KYHUSUIU TYXWUI OJUJ P IUXUPGYSH AUFEDIR HDDR UROTPGYDSPC GDDCJ UNXCPYS GWUYI CYZYGJ JCDECF | XOBCYT YSMIPJGIOTGOIU RUJUIKUJ TPIUMOC RUJYHS GIPSJXDJYGYDS TYXWUIJ IUPIIPSHU CUGGUIJ EYGWDOG JOBJGYGOGYDS GWU KYHUSUIU TYXWUI OJUJ P IUXUPGYSH AUFEDIR HDDR UROTPGYDSPC GDDCJ UNXCPYS GWUYI CYZYGJ JCDECF | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE VIGENERE CIPHER USES A REPEATING KEYWORD GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS SLOWLY | monoalphabetic | monoalphabetic | null | {
"alphabet": "PBTRUMHWYVACZSDXQIJGOKENFL"
} | hard | en | 178 | 178 | synthetic_educational | null | null | [] | |
kryptos-v3-0386 | JFHRCSXDUTCEBZBFHODVDJUKTJOALZPGKQWECXPCIBFVZFNFSEXPNXYHWMXQFMDAMDWMJXZG | JFHRCSXDUTCEBZBFHODVDJUKTJOALZPGKQWECXPCIBFVZFNFSEXPNXYHWMXQFMDAMDWMJXZG | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0015485 | ... .... . .. .... ... . ..... .... .. ..... . . . . .. ... . . ..... . ..... ..... . .. .... . .... . ..... ... ... . ... . ..... . ... ... .... ... .. . ..... .... ... . .. . ..... .. . ... .... .... .. . ..... . ... ... .... ... ... .. . .. .... . .... . ..... ... ... . ... . ..... | ... .... . .. .... ... . ..... .... .. ..... . . . . .. ... . . ..... . ..... ..... . .. .... . .... . ..... ... ... . ... . ..... . ... ... .... ... .. . ..... .... ... . .. . ..... .. . ... .... .... .. . ..... . ... ... .... ... ... .. . .. .... . .... . ..... ... ... . ... . ..... | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE MESSAGE WAS HIDDEN BUT NOT SECURE | tap_code | tap_code | null | {} | hard | en | 152 | 152 | 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. |
one-time-pad-v2-0103 | JDIUBCCAQPSL | JDIUBCCAQPSL | THE DIE IS CAST | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0456 | OWCHPOZFGIVHAIROWXHCKQZKMYOYHIXOGCJXKXWNCHJLFGLZZSLHSEZXVIBPYCBSGAVTFMSPITIRL | OWCHPOZFGIVHAIROWXHCKQZKMYOYHIXOGCJXKXWNCHJLFGLZZSLHSEZXVIBPYCBSGAVTFMSPITIRL | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0448 | OIEAKRNUDAPUNNCAFQRARUCGBPNEQBANQIDRSSGCFKKNMCHWILCKNCKOHHPERTOTDPROKCNAKZ | OIEAKRNUDAPUNNCAFQRARUCGBPNEQBANQIDRSSGCFKKNMCHWILCKNCKOHHPERTOTDPROKCNAKZ | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v2-0153 | 90 44 85 81 25 55 91 90 18 12 85 37 63 91 90 47 30 77 91 | 90 44 85 81 25 55 91 90 18 12 85 37 63 91 90 47 30 77 91 | HONOR ABOVE ALL | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
cda-0015638 | ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ | ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | babington | babington | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
cda-0021323 | K r· L ⌐ ┌· r r· Γ· K L r K X· ┌· L X r· ┘· X· └ Γ ┌ ⌐ ┐ L ┌ Γ· X X· X L r· ⌐ ┌· Γ L ┌· K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K K r· L ⌐· ┌· Γ· L Γ ┌ ⌐ ─ K L X K X· X L X K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L K ┘· L X K Γ·... | K r· L ⌐ ┌· r r· Γ· K L r K X· ┌· L X r· ┘· X· └ Γ ┌ ⌐ ┐ L ┌ Γ· X X· X L r· ⌐ ┌· Γ L ┌· K r· L ┐ ⌐ X Γ· X ┐ Γ· L ⌣ ⌐ ┌ Γ· ─ ⌐ K Γ· ┘· ─ ⌐· Γ· ─ Γ X ┌· L ┐· L ⌐ K L Γ K ┌· Γ· ¬· ┌· ⌐ ┌ X Γ· ─ r Γ· ┐· r· L ┌· K L ⌣ K K r· L ⌐· ┌· Γ· L Γ ┌ ⌐ ─ K L X K X· X L X K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L K ┘· L X K Γ·... | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH CERTAINLY | pigpen | pigpen | null | {} | medium | en | 75 | 75 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
nomenclator-v2-0239 | 07 05 14 20 12 05 13 05 14 13 01 25 03 18 25 16 05 01 03 05 16 05 01 03 05 02 21 20 20 08 05 18 05 09 19 14 15 16 05 01 03 05 60 23 01 18 09 19 01 03 20 21 01 12 12 25 02 05 07 21 14 60 14 05 24 20 07 01 12 05 20 08 01 20 19 23 05 05 16 19 06 18 15 13 60 14 15 18 20 08 23 09 12 12 02 18 09 14 07 63 15 21 18 05 01 18 19... | 07 05 14 20 12 05 13 05 14 13 01 25 03 18 25 16 05 01 03 05 16 05 01 03 05 02 21 20 20 08 05 18 05 09 19 14 15 16 05 01 03 05 60 23 01 18 09 19 01 03 20 21 01 12 12 25 02 05 07 21 14 60 14 05 24 20 07 01 12 05 20 08 01 20 19 23 05 05 16 19 06 18 15 13 60 14 15 18 20 08 23 09 12 12 02 18 09 14 07 63 15 21 18 05 01 18 19... | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 312 | 467 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0307 | DZNCLEPDMPWTPGPOESLEESPFYPILXTYPOWTQPTDYZEHZCESWTGTYRLYOESLEHTDOZXMPRTYDHTESESPLOXTDDTZYZQZYPDZHYTRYZCLYNPESTDLAACZLNSEZVYZHWPORPSLDRFTOPOHPDEPCYASTWZDZASJQZCEHZXTWWPYYTL | DZNCLEPDMPWTPGPOESLEESPFYPILXTYPOWTQPTDYZEHZCESWTGTYRLYOESLEHTDOZXMPRTYDHTESESPLOXTDDTZYZQZYPDZHYTRYZCLYNPESTDLAACZLNSEZVYZHWPORPSLDRFTOPOHPDEPCYASTWZDZASJQZCEHZXTWWPYYTL | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 170 | 170 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0169 | BIUAOTARXRSLNUHRIXETODSEDSXVHFTNOFHXIEWEEULEXTSIDSTOSXYOTISWUXX | BIUAOTARXRSLNUHRIXETODSEDSXVHFTNOFHXIEWEEULEXTSIDSTOSXYOTISWUXX | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0558 | QDSTSATONLERPUPTERIRSMWAQDQDDTCBROMHIGRQHLDMCNEUFLSREQQOBULSRPURRODNWRXIRLKIPPGY | QDSTSATONLERPUPTERIRSMWAQDQDDTCBROMHIGRQHLDMCNEUFLSREQQOBULSRPURRODNWRXIRLKIPPGY | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0010902 | BULXY DCWHK HJUAZ GEJLE VBPES AVBVN PEEXJ SVFLB KLOUA HV | BULXY DCWHK HJUAZ GEJLE VBPES AVBVN PEEXJ SVFLB KLOUA HV | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | autokey | autokey | null | {
"primer": "MUSEUM"
} | medium | en | 47 | 47 | synthetic_educational | null | null | [] | |
m209-068 | VRVBNOMUJTRR | VRVBNOMUJTRR | HOLD POSITION | m209 | m209 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0751 | MOVJKHUGJPDNJ | MOVJKHUGJPDNJ | FULL SAIL AHEAD | enigma | enigma | machine | {
"type": "rotor_start",
"value": "VWX"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
bifid-183 | WECFNYISGYWUNBC | WECFNYISGYWUNBC | OPERATION BEGINS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "KEYWORD"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v2-0097 | IYRSEERMTRRTDJLMZISKBUKODNBUWOGVKIBFNMOPLMZSISXMQBZVDKQFYNCWZNUPZUWUTEZBJVCCYSANHOLA | IYRSEERMTRRTDJLMZISKBUKODNBUWOGVKIBFNMOPLMZSISXMQBZVDKQFYNCWZNUPZUWUTEZBJVCCYSANHOLA | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1607 | PPWFWBDMJGWEGESVWZRMFWSPXGDHCZXILWWEPISOPQNBADFQJIAVGMJKWDFODQLHQFWVVJFQWBZXAMJQKW | PPWFWBDMJGWEGESVWZRMFWSPXGDHCZXILWWEPISOPQNBADFQJIAVGMJKWDFODQLHQFWVVJFQWBZXAMJQKW | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0019679 | 6374 2525 1570 05660 0393 02919 3792 01919 1573 04448 00995 01577 0979 02838 05038 2572 01654 05733 07284 5712 2851 6310 1634 6048 06320 01646 7540 6366 2840 4424 00405 8240 2877 02282 8180 0355 2266 5054 0368 06357 06310 1607 05733 04433 02236 5728 04719 04400 06004 1891 01619 03846 1347 6650 6034 1617 06039 00320 135... | 6374 2525 1570 05660 0393 02919 3792 01919 1573 04448 00995 01577 0979 02838 05038 2572 01654 05733 07284 5712 2851 6310 1634 6048 06320 01646 7540 6366 2840 4424 00405 8240 2877 02282 8180 0355 2266 5054 0368 06357 06310 1607 05733 04433 02236 5728 04719 04400 06004 1891 01619 03846 1347 6650 6034 1617 06039 00320 135... | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | zimmermann | zimmermann | null | {} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
kryptos-v2-0216 | CHQIESGYKXZWQAUGJQWNGOMKWYUCPETHOVPKVVRYFNYEWXMLZYBTWYQARMPUNIJVZKNQZGBVVJYL | CHQIESGYKXZWQAUGJQWNGOMKWYUCPETHOVPKVVRYFNYEWXMLZYBTWYQARMPUNIJVZKNQZGBVVJYL | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
diana-v3-0089 | AINCRPACYNWDEJJVWNZMANXNFAUZAFRHFEEGOSIBWPXPUIQMMALNQAJNHNXNCJZDKPYMINIDGAWAACASBCM | AINCRPACYNWDEJJVWNZMANXNFAUZAFRHFEEGOSIBWPXPUIQMMALNQAJNHNXNCJZDKPYMINIDGAWAACASBCM | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0430 | UQJRDTZDMIABYYCKUFIRFPVMMOGULCQRSGDJWFGFFFFOMRMFFHGXBTABHTWAEZTZJZJWITLK | UQJRDTZDMIABYYCKUFIRFPVMMOGULCQRSGDJWFGFFFFOMRMFFHGXBTABHTWAEZTZJZJWITLK | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-056 | KSDDWHKSMDBB | KSDDWHKSMDBB | ATTACK AT DAWN | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "2,4,1,6,3,5"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0006465 | HABH WECM BFPL USVH JPSL BJPC SUNX ZGUB HTTL QBRW CGBH XDVP VLBK GJXM MUEW BIME GGMQ WYCT IJGD OVIL WOYN HKVW VLWH JIGA DBLP XJSF MSIT WGGD WZGK JZWY SPDL QVXA VHRE BSGK NLTN AWPP CWAT ZPZH WEJL TTIB IAEU IOTR RDXO NFAZ LPQZ GDLS WD | HABH WECM BFPL USVH JPSL BJPC SUNX ZGUB HTTL QBRW CGBH XDVP VLBK GJXM MUEW BIME GGMQ WYCT IJGD OVIL WOYN HKVW VLWH JIGA DBLP XJSF MSIT WGGD WZGK JZWY SPDL QVXA VHRE BSGK NLTN AWPP CWAT ZPZH WEJL TTIB IAEU IOTR RDXO NFAZ LPQZ GDLS WD | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE BEST LESSONS SHOW WHERE THE METHOD FAILS HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | autokey | autokey | null | {
"primer": "HONEST"
} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
bacon-cipher-v3-0014 | ABABA ABBAB BABAB AABAA BAAAA BAABA AABBB AABAA AAABB BAAAA AAAAA BABAB AAAAB BAAAA ABAAA AAABB AABBA AABAA | ABABA ABBAB BABAB AABAA BAAAA BAABA AABBB AABAA AAABB BAAAA AAAAA BABAB AAAAB BAAAA ABAAA AAABB AABBA AABAA | LOWER THE DRAWBRIDGE | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 90 | 107 | cipher_museum | 2.0 | public | null | null |
cda-0014828 | - .... . / ...- .. --. . -. . .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / .- / .-. . .--. . .- - .. -. --. / -.- . -.-- .-- --- .-. -.. / -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / ..-. .- .. .-.. / -.... | - .... . / ...- .. --. . -. . .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / .- / .-. . .--. . .- - .. -. --. / -.- . -.-- .-- --- .-. -.. / -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / ..-. .- .. .-.. / -.... | THE VIGENERE CIPHER USES A REPEATING KEYWORD CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS FAIL CLOSED IS A POSTURE NOT A SLOGAN POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | morse_code | morse_code | null | {} | hard | en | 159 | 159 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
fractionated-morse-v2-0310 | GYISEPUWLYPGBYDUAKIYLPNMNAEVNYEQBBFAQMMBLVNMTFYLVMKABDARPAKKTGFNVMBJPGYKDYGTLMPAKIQBL | GYISEPUWLYPGBYDUAKIYLPNMNAEVNYEQBBFAQMMBLVNMTFYLVMKABDARPAKKTGFNVMBJPGYKDYGTLMPAKIQBL | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 85 | 85 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0673 | SUGHWRZWUBHYYZRELRCFPHZASCCULYTJAWAPQVGDXNIULZEJNHJAGAHJYUOPJZKPVKWLUOQ | SUGHWRZWUBHYYZRELRCFPHZASCCULYTJAWAPQVGDXNIULZEJNHJAGAHJYUOPJZKPVKWLUOQ | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ANCHOR"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0913 | YYIQRZQGLVMHRPJVTMQHTJZRXHZXNXIRFSMLVRGBDMXJIHYWFFCWIFFQYJXSWVQTKLIUGUIVJSUMQFIW | YYIQRZQGLVMHRPJVTMQHTJZRXHZXNXIRFSMLVRGBDMXJIHYWFFCWIFFQYJXSWVQTKLIUGUIVJSUMQFIW | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
vernam-v3-0015 | TIGVMJMLJNQTZF | TIGVMJMLJNQTZF | THE SIEGE BEGINS | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0135 | VJGJCTDQTKUENGCT | VJGJCTDQTKUENGCT | THE HARBOR IS CLEAR | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "22222"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
geez-monastic-228 | QUJGFRYGBAGKOJGFPZEDUSYCJGFPEYEHJJGFYEECYGKUESPKOEPEZFDK | QUJGFRYGBAGKOJGFPZEDUSYCJGFPEYEHJJGFYEECYGKUESPKOEPEZFDK | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
cda-0019462 | 843 846 812 841 999 855 842 860 853 808 814 999 859 842 842 833 854 999 801 833 834 842 867 999 826 840 811 813 845 814 840 809 812 841 859 999 864 814 852 826 815 826 808 802 857 824 842 839 999 845 802 857 858 813 851 839 999 867 843 852 811 854 999 822 813 833 846 999 805 852 814 800 832 999 838 844 840 842 800 834 ... | 843 846 812 841 999 855 842 860 853 808 814 999 859 842 842 833 854 999 801 833 834 842 867 999 826 840 811 813 845 814 840 809 812 841 859 999 864 814 852 826 815 826 808 802 857 824 842 839 999 845 802 857 858 813 851 839 999 867 843 852 811 854 999 822 813 833 846 999 805 852 814 800 832 999 838 844 840 842 800 834 ... | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | culper_ring | culper_ring | null | {} | hard | en | 134 | 134 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
autokey-v3-0215 | XISGYMMHITVVKM | XISGYMMHITVVKM | MARCH TO VICTORY | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0005103 | FRPH EVGL PYNV ZFFU BHYQ ORGR FGRQ HAQR EFPE HGVA LNGO NFUR APBQ RFOL ERIR EFVA TGUR NYCU NORG | FRPH EVGL PYNV ZFFU BHYQ ORGR FGRQ HAQR EFPE HGVA LNGO NFUR APBQ RFOL ERIR EFVA TGUR NYCU NORG | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY ATBASH ENCODES BY REVERSING THE ALPHABET | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 76 | 76 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0021088 | .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... . ... .. .... ... ..... .. ... . ..... .... .. .... ... .... .. . ..... . . .... .. .... .. . . ... ... .. .. . ..... ... . . ..... .... .... .... .... . ..... .... .. .... ..... | .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... . ... .. .... ... ..... .. ... . ..... .... .. .... ... .... .. . ..... . . .... .. .... .. . . ... ... .. .. . ..... ... . . ..... .... .... .... .... . ..... .... .. .... ..... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | tap_code | tap_code | null | {} | hard | en | 90 | 90 | 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. |
copiale-v2-0142 | E0 O1 R3 F0 E4 K8 X3 S7 F0 Y6 E4 Q4 D6 I3 | E0 O1 R3 F0 E4 K8 X3 S7 F0 Y6 E4 Q4 D6 I3 | COVER MY RETREAT | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
purple-v2-0059 | CSIMUYEAZLAYCZSCEMNEAWTHANAWBPOJBPRPHYSRYAKCJXOOIOZPDENFGIDNOVZHPGVYKBSH | CSIMUYEAZLAYCZSCEMNEAWTHANAWBPOJBPRPHYSRYAKCJXOOIOZPDENFGIDNOVZHPGVYKBSH | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0498 | TBOCHXEOMNCHLNIEILIEGAEEINRMENSALFMSGEACTSNCUOTAXTTFADONFHTAEERGRNDCAOCLDEEECAOTNTYAQSFEMMOELATUHEPEMFPYMAEARTNUROOENNVTSTNEIRSOTEOXAIPNASTLMPXLCRTPAHYEHXPAOEPGETAYXRTDIRERHNSXOIUTOSPEIIX | TBOCHXEOMNCHLNIEILIEGAEEINRMENSALFMSGEACTSNCUOTAXTTFADONFHTAEERGRNDCAOCLDEEECAOTNTYAQSFEMMOELATUHEPEMFPYMAEARTNUROOENNVTSTNEIRSOTEOXAIPNASTLMPXLCRTPAHYEHXPAOEPGETAYXRTDIRERHNSXOIUTOSPEIIX | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | scytale | scytale | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 187 | 187 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0073 | QHRORLNRQJAPRQQYIPTHRTGYOPRQQYIPOQTNQRGJIROQRKTQTQYFRPRQOXJSURNXATNYIGRRG | QHRORLNRQJAPRQQYIPTHRTGYOPRQQYIPOQTNQRGJIROQRKTQTQYFRPRQOXJSURNXATNYIGRRG | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
hill-v3-0127 | JICRMKNLXLUIUF | JICRMKNLXLUIUF | FULL SAIL AHEAD | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0150 | TPINLHGVVPNOJEJS | TPINLHGVVPNOJEJS | THE WALLS HAVE EARS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0468 | GFNUHTRXETHYHZNZCGKRTMCBGEIMVGRCDGURVYOAZQELRTOAGIABSNWTLUGRRWDGMEDXEXOTH | GFNUHTRXETHYHZNZCGKRTMCBGEIMVGRCDGURVYOAZQELRTOAGIABSNWTLUGRRWDGMEDXEXOTH | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
hill-v2-0619 | QQVBRPHGNLYSCQXWHUDJFVWVLOZUNGFVTCKZUOZUJPFRGOXCRNGGYZPKJKXDXDDKWOWVAELONGJSBMNGGCDKOSDWWEISSWVDTAUDEWWPTAPKXWFINGLMFRBMACBXFSNAXQRWWPYOUHXJIYGCIBLICQHSRCNBVSJEEL | QQVBRPHGNLYSCQXWHUDJFVWVLOZUNGFVTCKZUOZUJPFRGOXCRNGGYZPKJKXDXDDKWOWVAELONGJSBMNGGCDKOSDWWEISSWVDTAUDEWWPTAPKXWFINGLMFRBMACBXFSNAXQRWWPYOUHXJIYGCIBLICQHSRCNBVSJEEL | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 162 | 162 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-137 | GKIDVKFJAAIZ | GKIDVKFJAAIZ | THE TRAP IS SET | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "5,3,6,1,4,2"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
red-type-a-v2-0050 | SEYMFEKSDGAAVZEDLFCOZBIXSERNYDNZPIUQTEJLYZFPOWEMJOHLQIUSYIZTENNDCYPLFALKEL | SEYMFEKSDGAAVZEDLFCOZBIXSERNYDNZPIUQTEJLYZFPOWEMJOHLQIUSYIZTENNDCYPLFALKEL | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-211 | RMJHZURCMUXHISOPUMCSCNMNYSMGYMPMHYYOINEAVLVZGVFVYOMFXELYG | RMJHZURCMUXHISOPUMCSCNMNYSMGYMPMHYYOINEAVLVZGVFVYOMFXELYG | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0252 | DONOTGOGENTLEINTOTHATGOODNIGHTOLDAGESHOULDBURNANDRAVEATCLOSEOFDAYRAGERAGE | DONOTGOGENTLEINTOTHATGOODNIGHTOLDAGESHOULDBURNANDRAVEATCLOSEOFDAYRAGERAGE | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
playfair-v2-1120 | HBPLFCLEHBBHEDODANGBGSNGPLNLCGYNCDHNPLCYCGGQKDHNRGAIBFXAQXCXPQDFPLFNCKFGNOCYNT | HBPLFCLEHBBHEDODANGBGSNGPLNLCGYNCDHNPLCYCGGQKDHNRGAIBFXAQXCXPQDFPLFNCKFGNOCYNT | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0003656 | MCIKT EAANP ICXNS VCOEG RDINX CGERR UIEIC TIGEF MSNEE SRODY NNRCI IIARP FYSAP TSISE PXXAO CDREH LCARH ATNNS YFBOP ERTTY RTKAD EMEEN AWECE IRMTX XTEIN AIREN AQRSD STIHE LBINE OREQE EIRTI TULRA SPDAB TEXXR REPAH RKEYE ENREO XKUTO NN | MCIKT EAANP ICXNS VCOEG RDINX CGERR UIEIC TIGEF MSNEE SRODY NNRCI IIARP FYSAP TSISE PXXAO CDREH LCARH ATNNS YFBOP ERTTY RTKAD EMEEN AWECE IRMTX XTEIN AIREN AQRSD STIHE LBINE OREQE EIRTI TULRA SPDAB TEXXR REPAH RKEYE ENREO XKUTO NN | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | stager_route | stager_route | null | {
"cols": 8
} | hard | en | 192 | 192 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
playfair-v3-0908 | RDPFUGGULNAQCXZGQZFZHGKDYNPLFLRDPFUGZGPUIKQKTULNODHGFBOQTLFMGKIGLTLRMRCP | RDPFUGGULNAQCXZGQZFZHGKDYNPLFLRDPFUGZGPUIKQKTULNODHGFBOQTLFMGKIGLTLRMRCP | DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
adfgx-179 | DAFFGAAXDAGXAFDGFFDAFAFADD | DAFFGAAXDAGXAFDGFFDAFAFADD | CHANGE OF PLANS | adfgx | adfgx | fractionation | {
"polybius": "ENIGMA",
"columnar": "CRYPTO"
} | advanced | en | 26 | 26 | cipher_museum | 0.2 | public | null | null |
hill-v2-0080 | OXVTMIFAZGDQJZHXDXPYVHXZMSTMFDNNAVPYDEHMIEZVRSNKICOXHGQXEZKWVOCBEGXZYEKSIBCSMD | OXVTMIFAZGDQJZHXDXPYVHXZMSTMFDNNAVPYDEHMIEZVRSNKICOXHGQXEZKWVOCBEGXZYEKSIBCSMD | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0009752 | AENE DEPI OLDA EUIN SNTE LUPO QTTG STBB TDRU SHRO NIEE GKSR OTWC EEEI IHYA SREG GNSR EIVN EAEY RCTE NTSI CRRA EHEV LAAI MOOD RHIE WOPP EIEO PPEP PPEN CRHH HSLE LPFV HERD AEII ESNE EFAA SODI BNRX CSAN CGRT X | AENE DEPI OLDA EUIN SNTE LUPO QTTG STBB TDRU SHRO NIEE GKSR OTWC EEEI IHYA SREG GNSR EIVN EAEY RCTE NTSI CRRA EHEV LAAI MOOD RHIE WOPP EIEO PPEP PPEN CRHH HSLE LPFV HERD AEII ESNE EFAA SODI BNRX CSAN CGRT X | ATBASH ENCODES BY REVERSING THE ALPHABET DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE VIGENERE CIPHER USES A REPEATING KEYWORD | stager_route | stager_route | null | {
"cols": 11
} | hard | en | 165 | 165 | synthetic_educational | null | null | [] | |
gronsfeld-v3-0888 | JFRJAVJWPTHQISIHOXJTVQMSGWJSOGQERJTHUCOOQFTFXFFRUVHSWQOUBXJUQULPSDTIEOVPROUWFH | JFRJAVJWPTHQISIHOXJTVQMSGWJSOGQERJTHUCOOQFTFXFFRUVHSWQOUBXJUQULPSDTIEOVPROUWFH | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0469 | BBIBQNFMYZQQXSWQMVGEZXQMQFHGBXCLGPIWSMVAMJGOGPQGUWDAQLWCCDMTVYZNBVFNQHYXRVERYFSN | BBIBQNFMYZQQXSWQMVGEZXQMQFHGBXCLGPIWSMVAMJGOGPQGUWDAQLWCCDMTVYZNBVFNQHYXRVERYFSN | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
running-key-v3-0040 | JILVCC | JILVCC | EUREKA | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0189 | KYAPMYUJPJIOYFYNYPTRPJPNIQYANYPBPTPOXWOYEYAPPOIJPQPBTIJBYMYMSMYOJPNYOYAPYPTPO | KYAPMYUJPJIOYFYNYPTRPJPNIQYANYPBPTPOXWOYEYAPPOIJPQPBTIJBYMYMSMYOJPNYOYAPYPTPO | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | bazeries | bazeries | transposition | {
"type": "integer",
"value": 23
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0255 | IQRLINRNEKGYBQLEPMTDCGKQKTRJSPWBXJSDGIPEWCGNVSPBNHQPOGKBMIFLSJFLWMWHMUGZSJUAZCDEEDVUHBPW | IQRLINRNEKGYBQLEPMTDCGKQKTRJSPWBXJSDGIPEWCGNVSPBNHQPOGKBMIFLSJFLWMWHMUGZSJUAZCDEEDVUHBPW | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0251 | HVSUFSOHQWDVSFCTZCIWGLWJWBJSBHSRPMOBHCWBSOBRPCBOJSBHIFSFCGGWUBCZIGSROBCASBQZOHCFCTCJSFTWJSVIBRFSRBIAPSFGFSDFSGSBHWBUGMZZOPZSGKCFRGOBRBIZZGOBRFSAOWBSRIBPFCYSBTCFHKCQSBHIFWSG | HVSUFSOHQWDVSFCTZCIWGLWJWBJSBHSRPMOBHCWBSOBRPCBOJSBHIFSFCGGWUBCZIGSROBCASBQZOHCFCTCJSFTWJSVIBRFSRBIAPSFGFSDFSGSBHWBUGMZZOPZSGKCFRGOBRBIZZGOBRFSAOWBSRIBPFCYSBTCFHKCQSBHIFWSG | THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
affine-v2-1068 | XJKKP UEYOD OBP DYOLU DZYUY OLY EZOD I KHHYL WKM HKL DZY PYHYBUY KH KML IUJOBP BODIKB | XJKKP UEYOD OBP DYOLU DZYUY OLY EZOD I KHHYL WKM HKL DZY PYHYBUY KH KML IUJOBP BODIKB | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | affine | affine | substitution | {
"a": 9,
"b": 14
} | beginner | en | 69 | 85 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0215 | AKWEAKYNLADNQPXNHDTZIFITYNRANKLWHTWGLSAEWSZERBXNDMQCJNQQCAJLTYJBVAUIDTUKTFSSHDUW | AKWEAKYNLADNQPXNHDTZIFITYNRANKLWHTWGLSAEWSZERBXNDMQCJNQQCAJLTYJBVAUIDTUKTFSSHDUW | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "TRAFALGAR"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
argenti-102 | 47 87 75 12 31 69 42 53 11 20 70 50 89 76 24 45 19 12 87 27 82 31 68 47 30 32 28 58 19 82 72 53 89 46 86 47 69 55 71 33 66 68 82 11 24 89 32 46 76 13 87 69 55 27 88 29 30 53 58 11 87 68 19 76 | 47 87 75 12 31 69 42 53 11 20 70 50 89 76 24 45 19 12 87 27 82 31 68 47 30 32 28 58 19 82 72 53 89 46 86 47 69 55 71 33 66 68 82 11 24 89 32 46 76 13 87 69 55 27 88 29 30 53 58 11 87 68 19 76 | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | argenti | argenti | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 128 | 191 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-v2-0157 | 732341731221731211 | 732341731221731211 | VENI VIDI VICI | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0387 | NFUOPLRTBAVLKSIMNFWNMFTVVBNAGUFVEBIEIFTNBSEMFSVWAGUFXAJTSAGTWPWERTNIKXAGWPBIMJWNBBDSEEIM | NFUOPLRTBAVLKSIMNFWNMFTVVBNAGUFVEBIEIFTNBSEMFSVWAGUFXAJTSAGTWPWERTNIKXAGWPBIMJWNBBDSEEIM | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0469 | AIYIQPWJKROMKCOPTBLACONGRFXYOCQQASISGCLXMLCSJDVJDXSOKCJPTJAWVVQBCVXBSKYOJHHFACMQ | AIYIQPWJKROMKCOPTBLACONGRFXYOCQQASISGCLXMLCSJDVJDXSOKCJPTJAWVVQBCVXBSKYOJHHFACMQ | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0015880 | 802 999 836 844 811 813 833 999 806 802 841 999 806 833 800 854 854 825 816 874 999 845 801 858 859 813 852 841 855 999 805 860 859 999 826 857 999 808 801 840 999 800 834 854 842 999 803 812 999 867 851 844 840 820 999 859 821 814 999 801 862 859 844 830 812 873 999 806 824 847 823 813 851 999 814 871 857 814 840 811 ... | 802 999 836 844 811 813 833 999 806 802 841 999 806 833 800 854 854 825 816 874 999 845 801 858 859 813 852 841 855 999 805 860 859 999 826 857 999 808 801 840 999 800 834 854 842 999 803 812 999 867 851 844 840 820 999 859 821 814 999 801 862 859 844 830 812 873 999 806 824 847 823 813 851 999 814 871 857 814 840 811 ... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | culper_ring | culper_ring | null | {} | hard | en | 199 | 199 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
diana-v3-0208 | ZIAHENXFPPLURHQWIVAYEBPRXRMZFHRYPWHFKQLPCSLYAYPMYKCAJEWYOHYVPCIONNETHHPWXOOILFMMODIXXHAJANSOETUCWYQLSYQILMLMLEFHSEWPCHEOHBYVHDZHAKUVYYDALUGTSJAPPIPLBXCFLHFLLLIHHPWXYOIFEUALVOHFW | ZIAHENXFPPLURHQWIVAYEBPRXRMZFHRYPWHFKQLPCSLYAYPMYKCAJEWYOHYVPCIONNETHHPWXOOILFMMODIXXHAJANSOETUCWYQLSYQILMLMLEFHSEWPCHEOHBYVHDZHAKUVYYDALUGTSJAPPIPLBXCFLHFLLLIHHPWXYOIFEUALVOHFW | THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 177 | 177 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0375 | YLEDTKURKXVJXNZJLTRDKAQFGHGFUHVJXTFFQVHPFVWTILKAUVVRXXIRRMONAXIRGALGQFGHOETWLTMTCMKTSDVFVVILNEBAHLWLVVITLBMPJTFTGWLALSPKNGVBDZMALALVZLJKSJZVCZCYSVTZALERXUBARJTFVWL | YLEDTKURKXVJXNZJLTRDKAQFGHGFUHVJXTFFQVHPFVWTILKAUVVRXXIRRMONAXIRGALGQFGHOETWLTMTCMKTSDVFVVILNEBAHLWLVVITLBMPJTFTGWLALSPKNGVBDZMALALVZLJKSJZVCZCYSVTZALERXUBARJTFVWL | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 163 | 163 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0198 | JUQTQHXZHUVWWACXLTDSARCJVOGOHKWBSFZCQLSBEJUPIUMLOWNWLBSQKKPHVDORWLOOO | JUQTQHXZHUVWWACXLTDSARCJVOGOHKWBSFZCQLSBEJUPIUMLOWNWLBSQKKPHVDORWLOOO | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DEF"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0019095 | DRIV EINT ELFL ANKF RONT INTE LENE MYAL ERTN IGHT DEPT HHEN CEEX ACTL ARGE LOCA LMIX EDAR RAYN OTES INTE LNEE DSTR OOPR AIDS OTHE RDAI LYUN TILC AUSE EXTR A | DRIV EINT ELFL ANKF RONT INTE LENE MYAL ERTN IGHT DEPT HHEN CEEX ACTL ARGE LOCA LMIX EDAR RAYN OTES INTE LNEE DSTR OOPR AIDS OTHE RDAI LYUN TILC AUSE EXTR A | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
red-type-a-v3-0019 | DRIOBNSAFEKLCEZKUIVM | DRIOBNSAFEKLCEZKUIVM | THE ALCHEMIST SUCCEEDS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0092 | 765726298008538237657292555014520991704848045175462094425120241342365292112583221312976288310453824254 | 765726298008538237657292555014520991704848045175462094425120241342365292112583221312976288310453824254 | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 102 | 102 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0688 | IMXOJJHKNZNKODEIWNPUCXUPHWRDKVGSTMFSPKJYOFXSENWOKFZNFYJNGGTSUMKNWWVK | IMXOJJHKNZNKODEIWNPUCXUPHWRDKVGSTMFSPKJYOFXSENWOKFZNFYJNGGTSUMKNWWVK | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0439 | FFGXAVADAVADGDADGFAVDGFAVGVAVAVADAVVDVAAFDAAVVDAAGDAFVXAVAFFAAAVAGADGXDADXDAAFAXGAGDDAAFGDGFGVAFDAAAAFAVVDADAFVDGFGDAGAVAFVGVAFDADXAVVDAAAVGAAFG | FFGXAVADAVADGDADGFAVDGFAVGVAVAVADAVVDVAAFDAAVVDAAGDAFVXAVAFFAAAVAGADGXDADXDAAFAXGAGDDAAFGDGFGVAFDAAAAFAVVDADAFVDGFGDAGAVAFVGVAFDADXAVVDAAAVGAAFG | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0122 | MLVXETFOXSKASGFLYAB | MLVXETFOXSKASGFLYAB | TREACHERY IN THE COURT | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
trithemius-v2-0010 | BSKGKJ JLACBZKRR PJ USPH | BSKGKJ JLACBZKRR PJ USPH | BRIDGE DESTROYED AT DAWN | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 21 | 24 | cipher_museum | 2.0 | public | null | null |
nihilist-110 | 46 89 55 58 66 56 78 59 58 36 70 75 55 90 86 59 86 57 49 59 58 36 60 58 49 69 55 26 67 78 49 69 87 56 89 48 49 76 64 30 67 78 78 67 86 47 66 49 68 67 55 50 57 69 65 68 58 40 86 55 49 90 86 59 59 56 78 70 64 56 79 78 48 60 86 30 59 75 69 86 64 30 69 58 49 67 67 67 60 78 56 77 58 27 80 45 55 60 65 58 60 58 58 60 94 56 89... | 46 89 55 58 66 56 78 59 58 36 70 75 55 90 86 59 86 57 49 59 58 36 60 58 49 69 55 26 67 78 49 69 87 56 89 48 49 76 64 30 67 78 78 67 86 47 66 49 68 67 55 50 57 69 65 68 58 40 86 55 49 90 86 59 59 56 78 70 64 56 79 78 48 60 86 30 59 75 69 86 64 30 69 58 49 67 67 67 60 78 56 77 58 27 80 45 55 60 65 58 60 58 58 60 94 56 89... | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | nihilist | nihilist | fractionation | {
"polybius": "CIPHER",
"keyword": "MUSEUM"
} | advanced | en | 310 | 464 | cipher_museum | 0.2 | public | null | null |
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