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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
venona-pad-reuse-172 | 2JRWASWCK4J37CURWAVAU7VQSJBCDXEKTSSTASKCDV4HC4HWGPJ7BVDEAV | 2JRWASWCK4J37CURWAVAU7VQSJBCDXEKTSSTASKCDV4HC4HWGPJ7BVDEAV | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
red-type-a-v2-0400 | TYQYWOULBGEKRYUG | TYQYWOULBGEKRYUG | DIVIDE AND CONQUER | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0189 | XFMVFIXOGUIOKWOZWLPFTCMFOPLHUKKHOMDKIBZCIERZXRHLMBGFVWIDNSQELHWWENJOBJJCFM | XFMVFIXOGUIOKWOZWLPFTCMFOPLHUKKHOMDKIBZCIERZXRHLMBGFVWIDNSQELHWWENJOBJJCFM | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0354 | CTJFVKZGLTBYWRTXVEVBHIFLMAFKVGWEAHLVINVVAKWRGELRVZJZFNBWBSWRNNIAWHHQUTDWTI | CTJFVKZGLTBYWRTXVEVBHIFLMAFKVGWEAHLVINVVAKWRGELRVZJZFNBWBSWRNNIAWHHQUTDWTI | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0010424 | SED FDSDWSLPD HSBFLDH NKSSDVXH IDRTVD AKGLXU WQKLAH HBIHSLSBSLTX WLNEDVH AKN DKWE QDSSDV ST K FLRRDVDXS QDSSDV WTQBAXKV SVKXHNTHLSLTX VDKFH WTQBAXH LX GDC TVFDV | SED FDSDWSLPD HSBFLDH NKSSDVXH IDRTVD AKGLXU WQKLAH HBIHSLSBSLTX WLNEDVH AKN DKWE QDSSDV ST K FLRRDVDXS QDSSDV WTQBAXKV SVKXHNTHLSLTX VDKFH WTQBAXH LX GDC TVFDV | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | monoalphabetic | monoalphabetic | null | {
"alphabet": "KIWFDRUELZGQAXTNYVHSBPOMCJ"
} | hard | en | 138 | 138 | synthetic_educational | null | null | [] | |
trifid-v2-0325 | EPHMLCYHIYGLHKAREVJ+I+OFGCIHLXJBHWALMGTEFBHKYOLVJZECUHLYXKKIORJYFLJF+MIGI | EPHMLCYHIYGLHKAREVJ+I+OFGCIHLXJBHWALMGTEFBHKYOLVJZECUHLYXKKIORJYFLJF+MIGI | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0414 | OALQMNUHTMTNCGFXNGVUSFIANAMHUKXALVKALKXVETXWLLUKMRGBNNKOUVQVGTYALXPARGBMXAJGRGNLPGVNRRCGXHPVCTOWALETHAUKDPANCFJTFVRNZHOKVDMNLAQIFOGRGGHALIJKTFKVJHNTKHWALAKFCOITFVZZV | OALQMNUHTMTNCGFXNGVUSFIANAMHUKXALVKALKXVETXWLLUKMRGBNNKOUVQVGTYALXPARGBMXAJGRGNLPGVNRRCGXHPVCTOWALETHAUKDPANCFJTFVRNZHOKVDMNLAQIFOGRGGHALIJKTFKVJHNTKHWALAKFCOITFVZZV | 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 | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
m209-221 | FLTQQMKWEJGQJKBQKSIPFBETAPZOLFPLDKMHXBLGPKCEQBQ | FLTQQMKWEJGQJKBQKSIPFBETAPZOLFPLDKMHXBLGPKCEQBQ | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | m209 | m209 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
cda-0017136 | OUTER PLACE ENEMY NIGHT SWIFT OFTEN UNDER RAIDS COVER EXTRA THREE OUTER OTHER LIGHT SOUTH ARRAY LOCAL LOCAL OPENS WINGS INCUR NORTH DAILY EXACT POINT | OUTER PLACE ENEMY NIGHT SWIFT OFTEN UNDER RAIDS COVER EXTRA THREE OUTER OTHER LIGHT SOUTH ARRAY LOCAL LOCAL OPENS WINGS INCUR NORTH DAILY EXACT POINT | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | 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. |
adfgx-094 | GXAAGDGXXAGXAAXGDGGFAAXAFDXDAGXFGXGGDFXXFFADGAADGXDAAADGAFDAGAAFGXGAXADGDXGAAGDDGDDFAFXFDD | GXAAGDGXXAGXAAXGDGGFAAXAFDXDAGXFGXGGDFXXFFADGAADGXDAAADGAFDAGAAFGXGAXADGDXGAAGDDGDDFAFXFDD | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | adfgx | adfgx | fractionation | {
"polybius": "CIPHER",
"columnar": "MUSEUM"
} | advanced | en | 90 | 90 | cipher_museum | 0.2 | public | null | null |
typex-v2-0006 | KTQWYKVSYPSKV | KTQWYKVSYPSKV | THE PASS IS HELD | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0291 | AWKIUSSFUMYIPFIZUGGRMPEWEJVIFTKJHALAUEQQNJHDAIMDPNNRLWLZICPYYXOETMJTUPVIHSNFF | AWKIUSSFUMYIPFIZUGGRMPEWEJVIFTKJHALAUEQQNJHDAIMDPNNRLWLZICPYYXOETMJTUPVIHSNFF | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0002336 | ANNHDEMTCIGLABGRHACEIMRNTOABBHIOSWKUREIAMNEBNTEI | ANNHDEMTCIGLABGRHACEIMRNTOABBHIOSWKUREIAMNEBNTEI | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | stager_route | stager_route | null | {
"cols": 8
} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
cda-0021015 | - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... | - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | morse_code | morse_code | null | {} | medium | en | 59 | 59 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
adfgx-v2-0610 | GAGADGGXXXGDXAAGGAGXDAFDGGDX | GAGADGGXXXGDXAAGGAGXDAFDGGDX | TRUST BUT VERIFY | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
autokey-it-024 | FSPJMIHCVFATABIEWRORNKINCRHHQOMVJIAGGTDUWMHLFLWULCFAFIJGEJVTCSSBISLUKHHLNZZO | FSPJMIHCVFATABIEWRORNKINCRHHQOMVJIAGGTDUWMHLFLWULCFAFIJGEJVTCSSBISLUKHHLNZZO | NON SI PUO INSEGNARE NIENTE A UN UOMO SI PUO SOLO AIUTARLO A SCOPRIRE QUELLO CHE HA GIA DENTRO | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | it | 76 | 76 | cipher_museum | 0.2 | public | null | null |
red-type-a-v3-0146 | JUMHEWPJIR | JUMHEWPJIR | DOT DASH DOT | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
typex-v3-0193 | JYIGKYUUBKSZOELKAQAYUVCZHYDNSBUHKWBUYNDIZYFRMGBPGUUGVONRHQIAWMTBIOBMJASFIIKWUOSXXAB | JYIGKYUUBKSZOELKAQAYUVCZHYDNSBUHKWBUYNDIZYFRMGBPGUUGVONRHQIAWMTBIOBMJASFIIKWUOSXXAB | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0272 | LJSJWFQ UFYYTS QJI YMJ YMNWI FWRD NS F IFWNSL XBJJU FHWTXX KWFSHJ KTQQTBNSL YMJ GWJFPTZY | LJSJWFQ UFYYTS QJI YMJ YMNWI FWRD NS F IFWNSL XBJJU FHWTXX KWFSHJ KTQQTBNSL YMJ GWJFPTZY | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0042 | LAJQHNMUJHXLMNJVHZJBJZJMIYIMNBUOHHLALAMHNDAPDJU | LAJQHNMUJHXLMNJVHZJBJZJMIYIMNBUOHHLALAMHNDAPDJU | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 47 | 47 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0201 | YVVKVKAEXUXJLGTXEQOSUCPLTIDRFVPIZMBJMIAWXAXVVNPFKBPOFPYFGBSPIRQHRKUJPAFDXFQFJ | YVVKVKAEXUXJLGTXEQOSUCPLTIDRFVPIZMBJMIAWXAXVVNPFKBPOFPYFGBSPIRQHRKUJPAFDXFQFJ | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0191 | RFRKTOHIAWNOFGSIIOQMFODSRIFVMGOSFMHPFAYDLRECODWVAUCRGUGCEIBUXNKLZKANZSUHEAQDC | RFRKTOHIAWNOFGSIIOQMFODSRIFVMGOSFMHPFAYDLRECODWVAUCRGUGCEIBUXNKLZKANZSUHEAQDC | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0018012 | - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. . / - .... . / .--. .-.. .- -.-- ..-. .- .. .-. / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / .--. .- .. .-. ... / --- ..-. / .-.. . - - . .-. ... / ... .. -- ..- .-.. - .- -. . --- ..- ... .-... | - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. . / - .... . / .--. .-.. .- -.-- ..-. .- .. .-. / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / .--. .- .. .-. ... / --- ..-. / .-.. . - - . .-. ... / ... .. -- ..- .-.. - .- -. . --- ..- ... .-... | THE MESSAGE WAS HIDDEN BUT NOT SECURE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | morse_code | morse_code | null | {} | hard | en | 84 | 84 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0015944 | .- - -... .- ... .... / . -. -.-. --- -.. . ... / -... -.-- / .-. . ...- . .-. ... .. -. --. / - .... . / .- .-.. .--. .... .- -... . - / .--. .- - - . .-. -. / .-- --- .-. -.. ... / .... . .-.. .--. / -... .-. . .- -.- / -- --- -. --- .- .-.. .--. .... .- -... . - .. -.-. / ... ..- -... ... - .. - ..- - .. --- -. | .- - -... .- ... .... / . -. -.-. --- -.. . ... / -... -.-- / .-. . ...- . .-. ... .. -. --. / - .... . / .- .-.. .--. .... .- -... . - / .--. .- - - . .-. -. / .-- --- .-. -.. ... / .... . .-.. .--. / -... .-. . .- -.- / -- --- -. --- .- .-.. .--. .... .- -... . - .. -.-. / ... ..- -... ... - .. - ..- - .. --- -. | ATBASH ENCODES BY REVERSING THE ALPHABET PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | morse_code | morse_code | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
kryptos-223 | GPHBSJMIEIJXYRBFRVRMCNAFDNLZYBBLGNXQQVTMZFDTZZF | GPHBSJMIEIJXYRBFRVRMCNAFDNLZYBBLGNXQQVTMZFDTZZF | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
navajo-code-v3-0018 | A-WOH GAH DZEH BE-LA-SANA TLA-GIN CHA DZEH GAH TSAH-AS-ZIH / YEH-HES TSAH / THAN-ZIE CHA AH-JAH / MOASI A-KHA NO-DA-IH DAH-NES-TSA THAN-ZIE | A-WOH GAH DZEH BE-LA-SANA TLA-GIN CHA DZEH GAH TSAH-AS-ZIH / YEH-HES TSAH / THAN-ZIE CHA AH-JAH / MOASI A-KHA NO-DA-IH DAH-NES-TSA THAN-ZIE | TREACHERY IN THE COURT | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 118 | 151 | cipher_museum | 2.0 | public | null | null |
m94-v2-0053 | LVNCSOJSAIOZITIFLHHLIMARJRDGTOQMCRLERUWURFCAUYCSNKQSXVPFGFXUZXIGJGIQTNZKARJ | LVNCSOJSAIOZITIFLHHLIMARJRDGTOQMCRLERUWURFCAUYCSNKQSXVPFGFXUZXIGJGIQTNZKARJ | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0005 | EGIHQWALXKLGBTXL | EGIHQWALXKLGBTXL | SOUND THE TRUMPETS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0523 | INKWFDKKRPEUQIYGPEBLMRTQPPSMORQPDNOHKMFORSHYDKPTQDLSTUQDIZINBLQDOASNRDRKZCQW | INKWFDKKRPEUQIYGPEBLMRTQPPSMORQPDNOHKMFORSHYDKPTQDLSTUQDIZINBLQDOASNRDRKZCQW | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
m94-058 | UGGYYZTPQNSAQGSYTOACUFACAHIZKSBSBUPPAWTSKQGRNIPGQZVVTUTDIGOXNTXQEHNSMPWPAJQHACIHDIGVPUVTBWYLZBSJSTZZMUDUKPUFZDPZVQNTCSMPOIXHZRYGHENSTJNHV | UGGYYZTPQNSAQGSYTOACUFACAHIZKSBSBUPPAWTSKQGRNIPGQZVVTUTDIGOXNTXQEHNSMPWPAJQHACIHDIGVPUVTBWYLZBSJSTZZMUDUKPUFZDPZVQNTCSMPOIXHZRYGHENSTJNHV | 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 | m94 | m94 | machine | {
"type": "seed",
"value": "M94"
} | expert | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0236 | 38 37 57 22 35 48 66 45 29 59 56 24 49 64 44 46 90 22 25 68 86 45 45 | 38 37 57 22 35 48 66 45 29 59 56 24 49 64 44 46 90 22 25 68 86 45 45 | CARTHAGE MUST BE DESTROYED | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 46 | 68 | cipher_museum | 2.0 | public | null | null |
atbash-de-005 | WVFGHXSOZMW FYVI ZOOVH RM WVI DVOG | WVFGHXSOZMW FYVI ZOOVH RM WVI DVOG | DEUTSCHLAND UBER ALLES IN DER WELT | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | de | 29 | 34 | cipher_museum | 0.2 | public | null | null |
argenti-v2-0293 | 63 64 61 75 20 87 42 49 64 39 75 42 11 77 33 71 65 44 29 75 23 69 61 57 29 24 42 28 38 59 63 86 11 25 69 13 20 28 87 27 88 75 59 63 42 75 29 64 57 | 63 64 61 75 20 87 42 49 64 39 75 42 11 77 33 71 65 44 29 75 23 69 61 57 29 24 42 28 38 59 63 86 11 25 69 13 20 28 87 27 88 75 59 63 42 75 29 64 57 | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 98 | 146 | cipher_museum | 2.0 | public | null | null |
vic-v2-0331 | 70371780573915358073917449221808887354787918343919188230092868019310318780189158934588578648886787786 | 70371780573915358073917449221808887354787918343919188230092868019310318780189158934588578648886787786 | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 101 | 101 | cipher_museum | 2.0 | public | null | null |
autokey-097 | IQKLQVRQWIDXJWSKZOCAVJMVXTWDMDIHLRQFZHXEZA | IQKLQVRQWIDXJWSKZOCAVJMVXTWDMDIHLRQFZHXEZA | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
wheatstone-v2-0135 | TEAELROMRFSNIALR | TEAELROMRFSNIALR | THE HARBOR IS CLEAR | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0187 | 7194 8528 7849 8854 7654 7194 8603 9003 8100 8685 7338 7194 8038 7401 8100 7529 8100 8437 9003 8100 8685 8437 7338 8100 8685 8038 8603 8437 9003 8038 8100 8603 8854 7654 7194 8603 9003 8100 8685 8437 7338 8100 8685 8038 8603 8437 9003 7338 7194 8038 7401 8100 7529 8100 8437 9003 8100 8685 8603 8100 7401 7194 9003 7194 ... | 7194 8528 7849 8854 7654 7194 8603 9003 8100 8685 7338 7194 8038 7401 8100 7529 8100 8437 9003 8100 8685 8437 7338 8100 8685 8038 8603 8437 9003 8038 8100 8603 8854 7654 7194 8603 9003 8100 8685 8437 7338 8100 8685 8038 8603 8437 9003 7338 7194 8038 7401 8100 7529 8100 8437 9003 8100 8685 8603 8100 7401 7194 9003 7194 ... | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 288 | 359 | cipher_museum | 2.0 | public | null | null |
great-cipher-042 | 130 173 174 170 115 168 110 139 170 135 174 177 164 152 170 139 130 147 166 109 152 150 131 130 106 100 110 104 107 107 169 138 166 167 121 138 116 112 153 144 113 168 145 173 116 117 120 154 | 130 173 174 170 115 168 110 139 170 135 174 177 164 152 170 139 130 147 166 109 152 150 131 130 106 100 110 104 107 107 169 138 166 167 121 138 116 112 153 144 113 168 145 173 116 117 120 154 | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "LOUIS"
} | expert | en | 144 | 191 | cipher_museum | 0.2 | public | null | null |
adfgx-v3-0521 | GDGXAGXGGDADDGADDAAAXFAAGFAGDD | GDGXAGXGGDADDGADDAAAXFAAGFAGDD | THE FACTORY ROARS | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0471 | TKHBTPLAQBVHBGHOQSPBKLBEKFHJFGEBGHOYQBVKLBTPQSLABHTKHBYKBGIPGFYBFPBHQOHIKBHQPK | TKHBTPLAQBVHBGHOQSPBKLBEKFHJFGEBGHOYQBVKLBTPQSLABHTKHBYKBGIPGFYBFPBHQOHIKBHQPK | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0036 | BHDBJGCYNIXXWTAHXJ | BHDBJGCYNIXXWTAHXJ | GRAVITY EXPLAINS ALL | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0013109 | K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌· L ⌐ ┌· ┌· ⌐ ─ ¬· L └ L K K L ┌· X ⌒ Γ· K r· ┘· X· K X X· ¬ X K Γ· K X· K Γ· ┘· ─ 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 X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ·... | K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌· L ⌐ ┌· ┌· ⌐ ─ ¬· L └ L K K L ┌· X ⌒ Γ· K r· ┘· X· K X X· ¬ X K Γ· K X· K Γ· ┘· ─ 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 X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ·... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | pigpen | pigpen | null | {} | medium | en | 69 | 69 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
chinese-telegraph-063 | 2836 1887 1700 1700 1427 1823 2144 1700 1887 1427 2761 2144 1427 2271 1634 1700 1634 | 2836 1887 1700 1700 1427 1823 2144 1700 1887 1427 2761 2144 1427 2271 1634 1700 1634 | THE EAGLE HAS LANDED | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 68 | 84 | cipher_museum | 0.2 | public | null | null |
cda-0010522 | HHJT FNVTMG KZ B XRUAVZH PVU I VNVHIQ QITMUXHCTH GCJLHPJF KROLT JHHVSM FQUGQGGUDM D OVEMO EHO KOCZTQIA WBBWGYOA EWA JB FCU BTVQ IF EUQUH | HHJT FNVTMG KZ B XRUAVZH PVU I VNVHIQ QITMUXHCTH GCJLHPJF KROLT JHHVSM FQUGQGGUDM D OVEMO EHO KOCZTQIA WBBWGYOA EWA JB FCU BTVQ IF EUQUH | FAIL CLOSED IS A POSTURE NOT A SLOGAN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | gronsfeld | gronsfeld | null | {
"key": "27183"
} | hard | en | 113 | 113 | synthetic_educational | null | null | [] | |
bazeries-v3-0158 | JYAPPXFIRIBAYEYIMTOOMJHXPYAPGQBMHJAKFBSYJHOBJJRMIYGNJNJPAPJITRIBFFTP | JYAPPXFIRIBAYEYIMTOOMJHXPYAPGQBMHJAKFBSYJHOBJJRMIYGNJNJPAPJITRIBFFTP | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | bazeries | bazeries | transposition | {
"type": "integer",
"value": 23
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0032 | 22 36 25 24 82 66 62 39 44 24 51 39 45 | 22 36 25 24 82 66 62 39 44 24 51 39 45 | E PLURIBUS UNUM | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 26 | 38 | cipher_museum | 2.0 | public | null | null |
kryha-059 | UJXCOCYGRJOWXCGKSYPCXUWHDAMXGXHHXVOWHAYWGTUVBJFMRQIITGYYCXHRLGGHMUANVESKUVGLOKGBOVTGFYAEMFBFLKQYUREOZVLIARLFSSNWOAMXRJXKDGUQZVCQZPJNMYZQLEZGKGQXNCFI | UJXCOCYGRJOWXCGKSYPCXUWHDAMXGXHHXVOWHAYWGTUVBJFMRQIITGYYCXHRLGGHMUANVESKUVGLOKGBOVTGFYAEMFBFLKQYUREOZVLIARLFSSNWOAMXRJXKDGUQZVCQZPJNMYZQLEZGKGQXNCFI | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | kryha | kryha | machine | {
"type": "keyword",
"value": "KRYHA"
} | expert | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
rail-fence-v2-0278 | KYEREDPRYEODUWROP | KYEREDPRYEODUWROP | KEEP YOUR POWDER DRY | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
atbash-fr-024 | OZ MZGFIV VHG FM GVNKOV LF WV EREZMGH KRORVIH OZRHHVMG KZIULRH HLIGRI WV XLMUFHVH KZILOVH | OZ MZGFIV VHG FM GVNKOV LF WV EREZMGH KRORVIH OZRHHVMG KZIULRH HLIGRI WV XLMUFHVH KZILOVH | LA NATURE EST UN TEMPLE OU DE VIVANTS PILIERS LAISSENT PARFOIS SORTIR DE CONFUSES PAROLES | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | fr | 75 | 89 | cipher_museum | 0.2 | public | null | null |
cda-0010280 | DPTAECXSEEMWIHRPQIPICROXGAIHUEOMISRXRNGFESSPPTRXADRRNEELHOOX | DPTAECXSEEMWIHRPQIPICROXGAIHUEOMISRXRNGFESSPPTRXADRRNEELHOOX | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS TOMORROW | scytale | scytale | null | {
"cols": 5
} | medium | en | 60 | 60 | synthetic_educational | null | null | [] | |
cda-0020841 | KQYKOGPCNOVZXNVRHHWVXUUGUGZWFSQEFGXWKFXZRJQHASIA | KQYKOGPCNOVZXNVRHHWVXUUGUGZWFSQEFGXWKFXZRJQHASIA | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | running_key | running_key | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
alberti-disk-v2-0538 | MNDXCAYSZXRSNBXEZ | MNDXCAYSZXRSNBXEZ | NOVUS ORDO SECLORUM | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 11
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0018328 | ALON GSOU THTR OOPR ADIO ORDE RNIG HTGO INGC ROSS LEAD SABO VEIN TELM IXED NORT HENE MYEA RLYD ELAY STAG ESEE KSTR ACKR IGHT OPEN SNEE DSGU IDEE NEMY VITA L | ALON GSOU THTR OOPR ADIO ORDE RNIG HTGO INGC ROSS LEAD SABO VEIN TELM IXED NORT HENE MYEA RLYD ELAY STAG ESEE KSTR ACKR IGHT OPEN SNEE DSGU IDEE NEMY VITA L | A STRONG CLAIM NEEDS STRONG EVIDENCE | 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. |
gronsfeld-v2-0823 | JOVKJCFILSOJPJLPEEUJBUGGYIFJHFWFPDSEUJHJBSVKFOEFDWLOGVXXBUXUPOVKJGBEHTGEGHU | JOVKJCFILSOJPJLPEEUJBUGGYIFJHFWFPDSEUJHJBSVKFOEFDWLOGVXXBUXUPOVKJGBEHTGEGHU | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11235"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0288 | TGPAEOPYTQNOFIQACQACNHYENVELETEBNITUQWZYLKGIWQVZSBSHHHLCNTYFHVLEVEEOVWSFYNA | TGPAEOPYTQNOFIQACQACNHYENVELETEBNITUQWZYLKGIWQVZSBSHHHLCNTYFHVLEVEEOVWSFYNA | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
hill-v3-0160 | GWRUSUKWFPVNJFMOQPBDNPDNDPIMNAIBRUPKDURUPKZOVAHVSRJFNPDNDPIMQPDKIYOUTAGGANVRPJ | GWRUSUKWFPVNJFMOQPBDNPDNDPIMNAIBRUPKDURUPKZOVAHVSRJFNPDNDPIMQPDKIYOUTAGGANVRPJ | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0071 | 105 133 130 108 178 158 150 162 167 166 119 177 149 102 167 133 130 152 128 154 171 178 162 133 106 147 174 121 128 174 128 154 171 178 162 151 167 112 138 131 100 166 100 107 152 172 173 120 172 161 172 | 105 133 130 108 178 158 150 162 167 166 119 177 149 102 167 133 130 152 128 154 171 178 162 133 106 147 174 121 128 174 128 154 171 178 162 151 167 112 138 131 100 166 100 107 152 172 173 120 172 161 172 | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 153 | 203 | cipher_museum | 2.0 | public | null | null |
m94-v2-0220 | YSGODZUJLWBCQUVAYA | YSGODZUJLWBCQUVAYA | ENEMY RETREATS NORTH | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
diana-v2-0186 | REQOFIPOPLCVXSOPNKPTHALELEEESWWODVHBRQIDMUZIAZEVHFXAODMRBHMRINIFPLUUN | REQOFIPOPLCVXSOPNKPTHALELEEESWWODVHBRQIDMUZIAZEVHFXAODMRBHMRINIFPLUUN | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0103 | BPMIUJIAAILWZPIAZMKMQDMLWCZUWABCZOMVBLQAXIBKPMAIVLIEIQBAQVABZCKBQWVANZWUTWVLWVPY | BPMIUJIAAILWZPIAZMKMQDMLWCZUWABCZOMVBLQAXIBKPMAIVLIEIQBAQVABZCKBQWVANZWUTWVLWVPY | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
m94-v3-0237 | WBHBLSURWYIVGAHHHFQDAUNKXZVGTLKCUDHVQLURTYANSMMATISBGXZHTYHQAWDSSWSNKGQHPKJYYO | WBHBLSURWYIVGAHHHFQDAUNKXZVGTLKCUDHVQLURTYANSMMATISBGXZHTYHQAWDSSWSNKGQHPKJYYO | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0103 | LZAVCPMD | LZAVCPMD | DEUS VULT | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
jn25-085 | 37190 37180 37193 37186 37195 37184 37186 37180 37190 37188 37196 37193 37185 37186 37195 | 37190 37180 37193 37186 37195 37184 37186 37180 37190 37188 37196 37193 37185 37186 37195 | SILENCE IS GOLDEN | jn25 | jn25 | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 75 | 89 | cipher_museum | 0.2 | public | null | null |
cda-0017501 | house intel south troop outer range inner carry after local could intel point heavy enemy raids south after raids extra turns enter again clear house | house intel south troop outer range inner carry after local could intel point heavy enemy raids south after raids extra turns enter again clear house | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS CERTAINLY | 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. |
rot13-v3-0089 | EFN RAPELCGVBA ERYVRF BA GUR ZNGURZNGVPNY QVSSVPHYGL BS SNPGBEVAT GUR CEBQHPG BS GJB YNETR CEVZRF | EFN RAPELCGVBA ERYVRF BA GUR ZNGURZNGVPNY QVSSVPHYGL BS SNPGBEVAT GUR CEBQHPG BS GJB YNETR CEVZRF | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 83 | 97 | cipher_museum | 2.0 | public | null | null |
cda-0017575 | 46 3 66 22 62 40 1 81 33 11 68 66 4 2 60 33 64 80 48 92 39 33 15 57 60 17 61 34 26 4 43 68 2 60 49 50 60 93 21 50 17 49 30 96 21 93 63 94 22 34 14 43 23 11 96 59 15 22 1 34 82 30 24 33 67 3 1 91 45 33 81 87 34 92 63 60 67 30 72 21 80 11 76 61 39 22 68 60 22 3 43 91 17 23 46 26 32 58 11 36 14 82 58 48 87 59 63 88 23 3 1... | 46 3 66 22 62 40 1 81 33 11 68 66 4 2 60 33 64 80 48 92 39 33 15 57 60 17 61 34 26 4 43 68 2 60 49 50 60 93 21 50 17 49 30 96 21 93 63 94 22 34 14 43 23 11 96 59 15 22 1 34 82 30 24 33 67 3 1 91 45 33 81 87 34 92 63 60 67 30 72 21 80 11 76 61 39 22 68 60 22 3 43 91 17 23 46 26 32 58 11 36 14 82 58 48 87 59 63 88 23 3 1... | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION HONESTLY | homophonic | homophonic | null | {} | hard | en | 200 | 200 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
rail-fence-v2-0446 | BNSENLIHLERTOGEEELEAHMUSRAAGDEASSURHOEPSEPTSDSERDEFYASAEAHOENECKRTRHDLEAETBM | BNSENLIHLERTOGEEELEAHMUSRAAGDEASSURHOEPSEPTSDSERDEFYASAEAHOENECKRTRHDLEAETBM | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0487 | KLQVHKHAQVFPRHGMMFYKFGGFQBSQKBPHAQYHOLRHJFQFAQHTQPYGLAKFGMHAQKBPQHFMOBHAPAQ | KLQVHKHAQVFPRHGMMFYKFGGFQBSQKBPHAQYHOLRHJFQFAQHTQPYGLAKFGMHAQKBPQHFMOBHAPAQ | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0117 | 2356820297016072202212242520431842516221204253562882313562032412803567068398702028848103567057416035642583240706101343564258324045952913562518242543562217042535620376542516961204726102520282821120212814501702062041720236529425128573152324522 | 2356820297016072202212242520431842516221204253562882313562032412803567068398702028848103567057416035642583240706101343564258324045952913562518242543562217042535620376542516961204726102520282821120212814501702062041720236529425128573152324522 | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 241 | 241 | cipher_museum | 2.0 | public | null | null |
null-cipher-005 | the her each call other and show time in sound come line each after right | the her each call other and show time in sound come line each after right | THE COAST IS CLEAR | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "first"
} | advanced | en | 59 | 73 | cipher_museum | 0.2 | public | null | null |
playfair-011 | HYRAIFHPQPRAXA | HYRAIFHPQPRAXA | CHANGE OF PLANS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "MONARCHY"
} | intermediate | en | 14 | 14 | cipher_museum | 0.2 | public | null | null |
wheatstone-v2-0322 | OULSDSDAPBVAKKAVAPJLPASDAREPTQBSLKSDARUQSLNMBHHBQFUQSBRLVAJYIDBJRAPTLLP | OULSDSDAPBVAKKAVAPJLPASDAREPTQBSLKSDARUQSLNMBHHBQFUQSBRLVAJYIDBJRAPTLLP | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1463 | NUADCTLTBVNHLJVWEPBTPTCOKDOYGWJREVIZEOOPNOYZPVWLWKMEDIGKLJCIWRPOBOHCCLBHWWEZS | NUADCTLTBVNHLJVWEPBTPTCOKDOYGWJREVIZEOOPNOYZPVWLWKMEDIGKLJCIWRPOBOHCCLBHWWEZS | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0013467 | 1017 3834 0326 6012 5979 2838 00991 0329 03780 01025 02922 05072 02558 01664 05745 06020 6331 01639 00352 1034 2581 7275 2596 7924 04172 04772 1261 01662 5653 4445 6023 01635 00949 6615 05722 2920 6289 7934 4122 0343 6282 6377 01650 05673 06039 02587 4741 04418 01572 6016 6320 03779 07886 | 1017 3834 0326 6012 5979 2838 00991 0329 03780 01025 02922 05072 02558 01664 05745 06020 6331 01639 00352 1034 2581 7275 2596 7924 04172 04772 1261 01662 5653 4445 6023 01635 00949 6615 05722 2920 6289 7934 4122 0343 6282 6377 01650 05673 06039 02587 4741 04418 01572 6016 6320 03779 07886 | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS HONESTLY | zimmermann | zimmermann | null | {} | medium | en | 53 | 53 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0004887 | RSNDATGAROUEPETEORATEDEMRNESACIGCTXXRRRPHIIIXXCBDERIEPX | RSNDATGAROUEPETEORATEDEMRNESACIGCTXXRRRPHIIIXXCBDERIEPX | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | stager_route | stager_route | null | {
"cols": 11
} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
fractionated-morse-012 | CAAGPUAFCSCKNPUTFGSE | CAAGPUAFCSCKNPUTFGSE | CIPHER KEY CHANGED | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "ROUNDTABLE"
} | advanced | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
double-transposition-v2-0531 | ABOARLLENOHOV | ABOARLLENOHOV | HONOR ABOVE ALL | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0745 | FTQ WUZS PQYMZPE RQMXFK | FTQ WUZS PQYMZPE RQMXFK | THE KING DEMANDS FEALTY | caesar | caesar | substitution | {
"type": "shift",
"value": 12
} | beginner | en | 20 | 23 | cipher_museum | 2.0 | public | null | null |
lorenz-163 | IHAVENOTYETBEGUNTOFIGHTSAIDTHECAPTAINTOTFECREW | IHAVENOTYETBEGUNTOFIGHTSAIDTHECAPTAINTOTFECREW | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | lorenz | lorenz | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
cda-0018966 | UCHHX EWCMY JWFFF XSIRB LWAWX KLWPT ZZTWO SBBYU CQEXN YKEJG IIWMY TMSLW VJMIS FAXVN XTQEH ZKFVF LBC | UCHHX EWCMY JWFFF XSIRB LWAWX KLWPT ZZTWO SBBYU CQEXN YKEJG IIWMY TMSLW VJMIS FAXVN XTQEH ZKFVF LBC | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN TODAY | running_key | running_key | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
adfgvx-v2-0113 | FDDDGAGVVDVVGDDVVGDAFDFDFGAVDDVXVFVDFDDGADAFFXGXDVXFDVGVADGFFAAAAAGADFAGGDAAVDGFGADGADFAFGADGGAGAGDGFFFFAGAFAADDDDFVFAADAGFGVFVVVXDFFVFVXDDDVAGGGGFXFGVAVDGVFVDAXVXDDVADDFFAFVVAAAGDAFAAAFAGAAFAGAGGAGFDFDAFDFAGAAFAGDAGFAFAAAVGDAAAAAFAAAAGFGAADAGGAAGDADAAGAFGFGDAFFFFDADFFDDFGFDFAFDFAAVFVDXVVDXDXAAGGDADFXFGVFVDVAXDFDVXFGXX... | FDDDGAGVVDVVGDDVVGDAFDFDFGAVDDVXVFVDFDDGADAFFXGXDVXFDVGVADGFFAAAAAGADFAGGDAAVDGFGADGADFAFGADGGAGAGDGFFFFAGAFAADDDDFVFAADAGFGVFVVVXDFFVFVXDDDVAGGGGFXFGVAVDGVFVDAXVXDDVADDFFAFVVAAAGDAFAAAFAGAAFAGAGGAGFDFDAFDFAGAAFAGDAGFAFAAAVGDAAAAAFAAAAGFGAADAGGAAGDADAAGAFGFGDAFFFFDADFFDDFGFDFAFDFAAVFVDXVVDXDXAAGGDADFXFGVFVDVAXDFDVXFGXX... | 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 | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 338 | 338 | cipher_museum | 2.0 | public | null | null |
scytale-vg-0014 | HSEEGSITVHEESPSOTWREERNOGFTTHHTEOWTEHAEKWWEHAORTYRAUNSDTIINNCHRIEMAX | HSEEGSITVHEESPSOTWREERNOGFTTHHTEOWTEHAEKWWEHAORTYRAUNSDTIINNCHRIEMAX | HE GIVES STRENGTH TO THE WEARY AND INCREASES THE POWER OF THE WEAK WHO TRUST IN HIM | scytale | scytale | transposition | {
"type": "integer",
"value": 2
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
polybius-v3-0065 | 52 11 44 43 34 33 52 15 23 11 51 15 21 34 45 33 14 44 23 15 43 44 42 45 13 44 45 42 15 34 21 14 33 11 11 33 14 24 44 24 43 11 14 34 45 12 31 15 23 15 31 24 53 34 21 12 42 15 11 44 23 44 11 25 24 33 22 12 15 11 45 44 54 | 52 11 44 43 34 33 52 15 23 11 51 15 21 34 45 33 14 44 23 15 43 44 42 45 13 44 45 42 15 34 21 14 33 11 11 33 14 24 44 24 43 11 14 34 45 12 31 15 23 15 31 24 53 34 21 12 42 15 11 44 23 44 11 25 24 33 22 12 15 11 45 44 54 | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
cda-0011727 | GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ SEVRQZNA RFGVZNGRQ XRL YRATGU SEBZ FGNGVFGVPF | GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF GUR IVTRARER PVCURE HFRF N ERCRNGVAT XRLJBEQ SEVRQZNA RFGVZNGRQ XRL YRATGU SEBZ FGNGVFGVPF | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE VIGENERE CIPHER USES A REPEATING KEYWORD FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 177 | 177 | synthetic_educational | null | null | [] | |
argenti-073 | 19 46 30 55 75 28 69 87 47 19 76 66 30 11 53 | 19 46 30 55 75 28 69 87 47 19 76 66 30 11 53 | ENEMY FORCES NEAR | argenti | argenti | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 30 | 44 | cipher_museum | 0.2 | public | null | null |
cda-0002895 | WIIBX FIMUK FUYSK VISVR GNELK PJWVY HIESJ HS | WIIBX FIMUK FUYSK VISVR GNELK PJWVY HIESJ HS | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | gronsfeld | gronsfeld | null | {
"key": "31416"
} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
cda-0015334 | 11 14 67 43 60 59 60 32 25 93 72 99 35 93 63 94 33 58 11 40 1 63 23 2 21 17 39 33 91 60 22 3 25 45 27 62 49 61 46 22 58 48 81 60 96 33 68 25 48 58 35 2 33 50 82 3 11 17 93 46 68 22 52 25 88 22 82 30 63 88 2 67 23 91 67 92 60 17 58 22 48 63 45 50 93 25 59 26 15 50 93 15 52 33 53 72 61 35 72 93 70 35 93 62 23 70 35 22 40... | 11 14 67 43 60 59 60 32 25 93 72 99 35 93 63 94 33 58 11 40 1 63 23 2 21 17 39 33 91 60 22 3 25 45 27 62 49 61 46 22 58 48 81 60 96 33 68 25 48 58 35 2 33 50 82 3 11 17 93 46 68 22 52 25 88 22 82 30 63 88 2 67 23 91 67 92 60 17 58 22 48 63 45 50 93 25 59 26 15 50 93 15 52 33 53 72 61 35 72 93 70 35 93 62 23 70 35 22 40... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | homophonic | homophonic | null | {} | hard | en | 143 | 143 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0004888 | TYTEP ILTER GSHAR SIHSE RDMHI OUSNE INESR ITLYE CHEIN WASCU EFTTR GWBNT OIERS UETSI ESIRU RCIEI IDPAU HSTNL NTVLA ORLTT HCLUX XSDTE IHEEN NDEUF FTHTE TORHT EPRRS ESCAT OTAUM EXXHA RRUUT RIPSC EAUXH EEKEX KETBS DAIOP RETTC EKAX | TYTEP ILTER GSHAR SIHSE RDMHI OUSNE INESR ITLYE CHEIN WASCU EFTTR GWBNT OIERS UETSI ESIRU RCIEI IDPAU HSTNL NTVLA ORLTT HCLUX XSDTE IHEEN NDEUF FTHTE TORHT EPRRS ESCAT OTAUM EXXHA RRUUT RIPSC EAUXH EEKEX KETBS DAIOP RETTC EKAX | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | stager_route | stager_route | null | {
"cols": 9
} | hard | en | 189 | 189 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
great-cipher-v2-0249 | 155 143 119 179 137 135 115 110 167 136 114 149 168 136 140 160 115 182 175 116 136 138 114 157 181 112 136 114 149 157 166 169 165 118 136 149 163 136 173 179 128 129 177 170 110 107 177 168 100 180 110 107 173 177 116 136 138 114 161 168 141 158 117 143 169 146 158 123 176 166 180 163 136 161 147 164 141 143 120 143 ... | 155 143 119 179 137 135 115 110 167 136 114 149 168 136 140 160 115 182 175 116 136 138 114 157 181 112 136 114 149 157 166 169 165 118 136 149 163 136 173 179 128 129 177 170 110 107 177 168 100 180 110 107 173 177 116 136 138 114 161 168 141 158 117 143 169 146 158 123 176 166 180 163 136 161 147 164 141 143 120 143 ... | 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 | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 381 | 507 | cipher_museum | 2.0 | public | null | null |
porta-v3-0403 | CTLKYLEHRVRVOALKAUIPRPAHELXLOCJJAKBCEGXOMMMNXUUTMXAYAFJCXESPVXHXFWOZHKINOSZVWEITRW | CTLKYLEHRVRVOALKAUIPRPAHELXLOCJJAKBCEGXOMMMNXUUTMXAYAFJCXESPVXHXFWOZHKINOSZVWEITRW | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
beaufort-it-032 | CNPULJNUATTDCXEHNJKGBPMRBICEWNLIYTMZCPYZQEXEYH | CNPULJNUATTDCXEHNJKGBPMRBICEWNLIYTMZCPYZQEXEYH | AVANTI POPOLO ALLA RISCOSSA BANDIERA ROSSA TRIONFERA | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | it | 46 | 46 | cipher_museum | 0.2 | public | null | null |
culper-ring-v2-0013 | 998 818 819 800 824 999 100 998 802 814 820 817 818 804 999 | 998 818 819 800 824 999 100 998 802 814 820 817 818 804 999 | STAY THE COURSE | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 45 | 59 | cipher_museum | 2.0 | public | null | null |
affine-v3-0294 | JQQ CVILZWL MZIW ZI WJORIJQHGVS HW OEV RWHOVS LOJOVL JIV PHOHGVWL LRMKVPO OZ VFRJQ CIZOVPOHZW | JQQ CVILZWL MZIW ZI WJORIJQHGVS HW OEV RWHOVS LOJOVL JIV PHOHGVWL LRMKVPO OZ VFRJQ CIZOVPOHZW | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | affine | affine | substitution | {
"a": 3,
"b": 9
} | beginner | en | 79 | 93 | cipher_museum | 2.0 | public | null | null |
cda-0021713 | EUTZK GSIGQ EXNHS GTOIS KJARC PLMNQ IBDRI ARMXD SNQDU | EUTZK GSIGQ EXNHS GTOIS KJARC PLMNQ IBDRI ARMXD SNQDU | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | vernam | vernam | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
zimmermann-v2-0037 | 99999 90018 90008 90002 90020 90019 99998 99999 90015 90000 90019 90017 90008 90001 90020 90018 99998 99999 90018 90008 90019 99998 99999 90003 90004 90020 90018 99998 99999 90013 90014 90001 90008 90018 99998 | 99999 90018 90008 90002 90020 90019 99998 99999 90015 90000 90019 90017 90008 90001 90020 90018 99998 99999 90018 90008 90019 99998 99999 90003 90004 90020 90018 99998 99999 90013 90014 90001 90008 90018 99998 | SICUT PATRIBUS SIT DEUS NOBIS | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 175 | 209 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0304 | CAKAPBHCPBKSDBQSBGAKVEIGQRUPCSDACPABSPEVAPEQKLWLMAKNPLJESQQLUPIASLSDAQAB | CAKAPBHCPBKSDBQSBGAKVEIGQRUPCSDACPABSPEVAPEQKLWLMAKNPLJESQQLUPIASLSDAQAB | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0021791 | 66 36 82 76 69 59 80 61 72 59 68 80 82 52 50 65 36 82 80 59 61 82 61 66 89 69 55 82 43 89 69 80 11 65 69 57 43 20 50 59 61 61 72 59 68 80 82 61 66 36 82 76 80 50 82 11 77 68 29 66 82 61 66 59 61 82 61 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 66 69 82 61 66 50 77 68 66 82 55 82 43 57 82 29 25 66 36... | 66 36 82 76 69 59 80 61 72 59 68 80 82 52 50 65 36 82 80 59 61 82 61 66 89 69 55 82 43 89 69 80 11 65 69 57 43 20 50 59 61 61 72 59 68 80 82 61 66 36 82 76 80 50 82 11 77 68 29 66 82 61 66 59 61 82 61 66 36 82 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 66 69 82 61 66 50 77 68 66 82 55 82 43 57 82 29 25 66 36... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | wallis_cipher | wallis_cipher | null | {} | hard | en | 197 | 197 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
affine-v2-0846 | RLAX TVNNY FU HZFOH JLH SNINLGNG LUONA INA ZPMINA KNOONAH JNAN GNZFGNG SX OIFRLH MINKPMMNH | RLAX TVNNY FU HZFOH JLH SNINLGNG LUONA INA ZPMINA KNOONAH JNAN GNZFGNG SX OIFRLH MINKPMMNH | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 76 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0012166 | THAN-ZIE / GAH / WOL-LA-CHEE / TSAH / DIBEH / CLA-GI-AIH / A-KHA / DIBEH / TKIN / THAN-ZIE / TKIN / A-KHA / TSAH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / DIBEH / GAH / DZEH / WOL-LA-CHEE / GAH / GAH / WOL-LA-CHEE... | THAN-ZIE / GAH / WOL-LA-CHEE / TSAH / DIBEH / CLA-GI-AIH / A-KHA / DIBEH / TKIN / THAN-ZIE / TKIN / A-KHA / TSAH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / DIBEH / GAH / DZEH / WOL-LA-CHEE / GAH / GAH / WOL-LA-CHEE... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | navajo_code | navajo_code | null | {} | hard | en | 205 | 205 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
cda-0012449 | - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-... | - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - .... --- ..- - / ... ..- -... ... - .. - ..- - .. --- -. / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | morse_code | morse_code | null | {} | hard | en | 100 | 100 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
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