id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0015774 | 810 843 860 803 833 813 999 857 851 800 839 856 846 842 855 826 858 825 844 841 999 801 845 846 835 824 812 855 999 806 844 834 860 836 841 801 852 999 813 841 808 851 874 847 859 824 844 840 999 857 867 826 806 813 999 | 810 843 860 803 833 813 999 857 851 800 839 856 846 842 855 826 858 825 844 841 999 801 845 846 835 824 812 855 999 806 844 834 860 836 841 801 852 999 813 841 808 851 874 847 859 824 844 840 999 857 867 826 806 813 999 | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | culper_ring | culper_ring | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0006793 | TIPSLAIESPECETOTUGBYWTPWOHSIBEMSOLIRTCYCEATITDESQRIHUSMDRACAIILERATSTGEUANRWAHCOAPPNLHHTTHELOACRERPPPEIOEAEYXRBARNNHOHYC | TIPSLAIESPECETOTUGBYWTPWOHSIBEMSOLIRTCYCEATITDESQRIHUSMDRACAIILERATSTGEUANRWAHCOAPPNLHHTTHELOACRERPPPEIOEAEYXRBARNNHOHYC | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER CERTAINLY | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 120 | 120 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
diana-v2-0001 | YTJDWNJILGMY | YTJDWNJILGMY | THE DIE IS CAST | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
m209-v2-0224 | SDTXBYLLZUJUABSIRZPYJNSYHBOMIOCJXQTLQASRTBIMZJOSKKTIMKBMNJLIQIJTAKVPRPALRXBMYL | SDTXBYLLZUJUABSIRZPYJNSYHBOMIOCJXQTLQASRTBIMZJOSKKTIMKBMNJLIQIJTAKVPRPALRXBMYL | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
purple-v2-0279 | DZUUSELUVJJSA | DZUUSELUVJJSA | HONOR ABOVE ALL | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0364 | ZDMQRUTUMUJAMWJIITKTHBULTEKFUXODYLFICYOJICWMLXRRSQBYMHXCERIMUILNGCFCVPTBJ | ZDMQRUTUMUJAMWJIITKTHBULTEKFUXODYLFICYOJICWMLXRRSQBYMHXCERIMUILNGCFCVPTBJ | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0724 | CAIEOCTLNHADIEBGHVEDSMATYDNEELIATINSOWRSRNESNRTTAOMAGEIINIYSTDLNSSFEHRLUMSOCEOEYIRBR | CAIEOCTLNHADIEBGHVEDSMATYDNEELIATINSOWRSRNESNRTTAOMAGEIINIYSTDLNSSFEHRLUMSOCEOEYIRBR | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0021821 | X L r X· ┌· Γ· K ⌒· r └ ⌐ Γ· ┌ X X r· ┘· X· └ Γ ¬ L K L X K L Γ X· ─ Γ L ┌· X r ┌· X· K Γ· ─ ⌒· ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L 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 ┌· | X L r X· ┌· Γ· K ⌒· r └ ⌐ Γ· ┌ X X r· ┘· X· └ Γ ¬ L K L X K L Γ X· ─ Γ L ┌· X r ┌· X· K Γ· ─ ⌒· ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L 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 ┌· | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | pigpen | pigpen | null | {} | medium | en | 62 | 62 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
joseon-yeokhak-v2-0007 | AQOVITNQZMATQB | AQOVITNQZMATQB | SIGNAL FIRES LIT | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0022132 | XZVH ZIHS RUGV WGSV ZOKS ZYVG YBGS IVVK LHRG RLMH UIVJ FVMX BZMZ OBHR HXZM IVEV ZODV ZPXR KSVI HXZI VUFO OB | XZVH ZIHS RUGV WGSV ZOKS ZYVG YBGS IVVK LHRG RLMH UIVJ FVMX BZMZ OBHR HXZM IVEV ZODV ZPXR KSVI HXZI VUFO OB | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CAREFULLY | atbash | atbash | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
chinese-telegraph-v2-0294 | 5563 4614 4427 4298 5060 5645 5397 5488 4427 5060 4489 5563 5397 5645 4427 4871 5060 5741 4427 4998 4427 5741 4427 5397 4361 4680 4361 5397 5645 4998 5488 4934 5060 5060 5563 4614 5563 4614 5397 5060 5645 4550 4614 4154 4550 4427 5488 | 5563 4614 4427 4298 5060 5645 5397 5488 4427 5060 4489 5563 5397 5645 4427 4871 5060 5741 4427 4998 4427 5741 4427 5397 4361 4680 4361 5397 5645 4998 5488 4934 5060 5060 5563 4614 5563 4614 5397 5060 5645 4550 4614 4154 4550 4427 5488 | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 188 | 234 | cipher_museum | 2.0 | public | null | null |
two-square-074 | ASFHAFTEDOEAALNG | ASFHAFTEDOEAALNG | BURN AFTER READING | two_square | two_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
porta-v2-0232 | OTHRAWUBLRTJDHHQXNEIMTVNRPKVVHHWRVEOBJJJUTZNWTXATICCASSMDOAXKQRTBAJMCRUYRCNSCYXMX | OTHRAWUBLRTJDHHQXNEIMTVNRPKVVHHWRVEOBJJJUTZNWTXATICCASSMDOAXKQRTBAJMCRUYRCNSCYXMX | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
hill-v2-0628 | TRATYOSRZLPKAGTKBXRPVRBXCRIKTAVLXTNGZKRPCYZULOYUFRFISJQAXDFUWENGVBZONGZUWOJEKVRPFUVEOYLPQKRCMWTKFVATFRBXFRWERWMCMWCZJXAMFEWVBXYSLFZALPRZRPFRAICZXJZAJITAZOSWSYIYBXBX | TRATYOSRZLPKAGTKBXRPVRBXCRIKTAVLXTNGZKRPCYZULOYUFRFISJQAXDFUWENGVBZONGZUWOJEKVRPFUVEOYLPQKRCMWTKFVATFRBXFRWERWMCMWCZJXAMFEWVBXYSLFZALPRZRPFRAICZXJZAJITAZOSWSYIYBXBX | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0014141 | 76 80 50 82 11 77 68 29 82 61 66 50 77 68 66 82 11 55 82 43 57 82 29 25 66 36 76 80 69 77 61 66 68 66 50 61 66 50 52 61 68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57 65 36 68 20 82 66 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43... | 76 80 50 82 11 77 68 29 82 61 66 50 77 68 66 82 11 55 82 43 57 82 29 25 66 36 76 80 69 77 61 66 68 66 50 61 66 50 52 61 68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57 65 36 68 20 82 66 11 69 29 69 66 52 69 29 76 59 61 82 69 20 76 59 61 52 68 66 50 69 29 89 50 66 36 82 29 52 80 43... | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS ATBASH ENCODES BY REVERSING THE ALPHABET DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | wallis_cipher | wallis_cipher | null | {} | hard | en | 112 | 112 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
cda-0016911 | 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 1 2 5 20 19 8 9 6 20 19 | 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 19 21 19 5 13 21 12 20 9 16 12 5 1 12 16 8 1 2 5 20 19 8 9 6 20 19 | ATBASH ENCODES BY REVERSING THE ALPHABET POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
typex-v2-0421 | XCVFEJPJMGUNHJQUFIBGHSMWPJHATTQXHKQRKALZAAFLCPFUVJWMLKT | XCVFEJPJMGUNHJQUFIBGHSMWPJHATTQXHKQRKALZAAFLCPFUVJWMLKT | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0066 | FSCVYRIXDQHWYBWMVYFFOPADKMYCIYWVFVJVSXAFPDWGPUXRSMEDDTSKVLYZTZWSAUCKZRVBBS | FSCVYRIXDQHWYBWMVYFFOPADKMYCIYWVFVJVSXAFPDWGPUXRSMEDDTSKVLYZTZWSAUCKZRVBBS | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0450 | FAFDDDVFGFXFDFAAFDXGVVGFVFGDFAAAFA | FAFDDDVFGFXFDFAAFDXGVVGFVFGDFAAAFA | OLD IRONSIDES HOLDS | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0630 | VR QAR MRKMGR KT QAR SJCQRE PQLQRP CJ KOERO QK TKOH L HKOR MROTRBQ SJCKJ RPQLIGCPA DSPQCBR CJPSOR EKHRPQCB QOLJNSCGCQX MOKUCER TKO QAR BKHHKJ ERTRJPR MOKHKQR QAR YRJROLG VRGTLOR LJE PRBSOR QAR IGRPPCJYP KT GCIROQX | VR QAR MRKMGR KT QAR SJCQRE PQLQRP CJ KOERO QK TKOH L HKOR MROTRBQ SJCKJ RPQLIGCPA DSPQCBR CJPSOR EKHRPQCB QOLJNSCGCQX MOKUCER TKO QAR BKHHKJ ERTRJPR MOKHKQR QAR YRJROLG VRGTLOR LJE PRBSOR QAR IGRPPCJYP KT GCIROQX | 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 | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | beginner | en | 179 | 213 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0300 | 01 12 12 60 23 15 18 12 04 19 01 19 20 01 07 05 61 05 01 03 08 13 01 14 64 08 09 19 20 09 13 05 16 12 01 25 19 13 01 14 25 16 01 18 20 19 15 14 12 09 06 05 19 07 18 05 01 20 19 20 01 07 05 | 01 12 12 60 23 15 18 12 04 19 01 19 20 01 07 05 61 05 01 03 08 13 01 14 64 08 09 19 20 09 13 05 16 12 01 25 19 13 01 14 25 16 01 18 20 19 15 14 12 09 06 05 19 07 18 05 01 20 19 20 01 07 05 | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 126 | 188 | cipher_museum | 2.0 | public | null | null |
morse-code-v3-0011 | .- ...- . / -- .- .-. .. .- / --. .-. .- - .. .- / .--. .-.. . -. .- | .- ...- . / -- .- .-. .. .- / --. .-. .- - .. .- / .--. .-.. . -. .- | AVE MARIA GRATIA PLENA | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 47 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0016451 | GWASLTARNQLGWYZTXVSRTFFMRUKSDYJCOJIFKDNAXKWCAAZUHBNVAJAOXHRTQVYEGLCKIDXWGJMOWCTXHZXZMBALMPBTEXZLVMRWRDBTRFBGPKISGLFUEWLMQKVEHVBHQJMTMPVPSOMIYMTHDBZVRC | GWASLTARNQLGWYZTXVSRTFFMRUKSDYJCOJIFKDNAXKWCAAZUHBNVAJAOXHRTQVYEGLCKIDXWGJMOWCTXHZXZMBALMPBTEXZLVMRWRDBTRFBGPKISGLFUEWLMQKVEHVBHQJMTMPVPSOMIYMTHDBZVRC | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | running_key | running_key | null | {} | hard | en | 150 | 150 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
sigaba-v2-0101 | DSHCUKKQDZEFGWZIJDPGQVQDEDSCTJHSSTBLGYUQOATDTILRWEIRWWGXMNMRYPUAASTOXPGIRXHYS | DSHCUKKQDZEFGWZIJDPGQVQDEDSCTJHSSTBLGYUQOATDTILRWEIRWWGXMNMRYPUAASTOXPGIRXHYS | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0609 | VHZRPXGOEITHZJNHJLOZRUPJSTKGQNPNEZJTEDNQFPEEHEYKQCRMIGVDTOHTSVCCSOECEAQMHAYUNQSOHPIC | VHZRPXGOEITHZJNHJLOZRUPJSTKGQNPNEZJTEDNQFPEEHEYKQCRMIGVDTOHTSVCCSOECEAQMHAYUNQSOHPIC | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
playfair-133 | SMBIELFABOCVECTPTCKC | SMBIELFABOCVECTPTCKC | THE BRIDGE IS SECURED | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
beaufort-v3-0739 | CTIDABKCIVPHKSNDICA | CTIDABKCIVPHKSNDICA | AVE MARIA GRATIA PLENA | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "COMPASS"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
affine-v2-0854 | KL KPSNAON BVPGLYO KN MNVMKN CNAH VY LCNYPA RNPKKNVA NO MKVH WVHON MFVA OFVH KNH IFRRNH KPSANH | KL KPSNAON BVPGLYO KN MNVMKN CNAH VY LCNYPA RNPKKNVA NO MKVH WVHON MFVA OFVH KNH IFRRNH KPSANH | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 78 | 94 | cipher_museum | 2.0 | public | null | null |
m209-v3-0114 | OZNFKNYNDAACLIOB | OZNFKNYNDAACLIOB | PER ASPERA AD ASTRA | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
porta-v2-0036 | RVVWCKFBKVTWAU | RVVWCKFBKVTWAU | LIBERTY OR DEATH | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "NAPLES"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0107 | PORKASTOKVUTPNJSTYJTKBSPOSAORKPOTCQBRKOEOKAQCQJKCQKVPDCTJDQJTJSQJDQSJWJKVJKTUDTVDHJDNYQOTETNNJSQSVDNQKQNTKOLTCQDPKLCQJKDHHSQSOSJTISTOVTMTNTQHSR | PORKASTOKVUTPNJSTYJTKBSPOSAORKPOTCQBRKOEOKAQCQJKCQKVPDCTJDQJTJSQJDQSJWJKVJKTUDTVDHJDNYQOTETNNJSQSVDNQKQNTKOLTCQDPKLCQJKDHHSQSOSJTISTOVTMTNTQHSR | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0333 | OALTGZVGBVTVGVWKUJHNTKWSLW | OALTGZVGBVTVGVWKUJHNTKWSLW | THE PRINTING PRESS CHANGES ALL | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
cda-0012600 | 7.41.7 7.25.6 13.33.10 16.40.14 16.19.5 7.50.3 4.22.14 19.5.14 14.13.15 4.30.10 2.14.11 14.42.6 9.9.4 4.9.7 14.30.10 17.7.11 16.17.12 13.31.6 17.4.5 7.24.12 7.16.10 20.7.4 4.50.14 4.27.9 18.32.6 12.39.12 10.38.13 13.31.2 2.19.11 19.17.13 4.4.7 3.37.9 10.42.6 18.16.13 10.50.8 6.43.8 6.39.4 13.17.10 16.15.1 20.31.3 10.28... | 7.41.7 7.25.6 13.33.10 16.40.14 16.19.5 7.50.3 4.22.14 19.5.14 14.13.15 4.30.10 2.14.11 14.42.6 9.9.4 4.9.7 14.30.10 17.7.11 16.17.12 13.31.6 17.4.5 7.24.12 7.16.10 20.7.4 4.50.14 4.27.9 18.32.6 12.39.12 10.38.13 13.31.2 2.19.11 19.17.13 4.4.7 3.37.9 10.42.6 18.16.13 10.50.8 6.43.8 6.39.4 13.17.10 16.15.1 20.31.3 10.28... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | book_cipher | book_cipher | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
venona-pad-reuse-v3-0056 | JEGIWWHSFNGLLRJEPXHNZPKVPTDOPECDGIPA4YGIPAAE2CGJ4PPRQLHRLTKKCTMOOE5EIIQKCNFTGH | JEGIWWHSFNGLLRJEPXHNZPKVPTDOPECDGIPA4YGIPAAE2CGJ4PPRQLHRLTKKCTMOOE5EIIQKCNFTGH | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0347 | AWKTBYSGBGLAJMMRVHAYTBBTHYFLRYDFTXUXSBUJQZRLMHYGLQETSUAHZILAGYAYJGGTELRZFSRLIVHWUI | AWKTBYSGBGLAJMMRVHAYTBBTHYFLRYDFTXUXSBUJQZRLMHYGLQETSUAHZILAGYAYJGGTELRZFSRLIVHWUI | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0018567 | 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 5 14 20 18 15 16 25 13 5 1 19 21 18 5 19 21 14 3 5 18 20 1 9 14 20 25 9 14 1 4 9 19 20 18 9 2 21 20 9 15 14 | 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 5 14 20 18 15 16 25 13 5 1 19 21 18 5 19 21 14 3 5 18 20 1 9 14 20 25 9 14 1 4 9 19 20 18 9 2 21 20 9 15 14 | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 78 | 78 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
fractionated-morse-v2-0311 | RSLPBTEYDPGBHPBNKGMLSDYQUGLYPYNABRSLPBTEYDPGBHPBNKGMLSEYNABBGHVYGJPNABLQUUYAAPBYEPSEABL | RSLPBTEYDPGBHPBNKGMLSDYQUGLYPYNABRSLPBTEYDPGBHPBNKGMLSEYNABBGHVYGJPNABLQUUYAAPBYEPSEABL | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0373 | GBYEONAFANKKUMRS | GBYEONAFANKKUMRS | DIVIDE AND CONQUER | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
navajo-code-v3-0006 | THAN-ZIE CHA AH-JAH / KLIZZIE BE-LA-SANA THAN-ZIE DZEH KLESH / LIN A-KHA DIBEH-YAZZIE LHA-CHA-EH / MA-E YEH-HES GAH BE-TAS-TNI | THAN-ZIE CHA AH-JAH / KLIZZIE BE-LA-SANA THAN-ZIE DZEH KLESH / LIN A-KHA DIBEH-YAZZIE LHA-CHA-EH / MA-E YEH-HES GAH BE-TAS-TNI | THE GATES HOLD FIRM | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 108 | 138 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0214 | 4252224142232552821238029 | 4252224142232552821238029 | THE GATES HOLD FIRM | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0341 | ESPMLMTYREZYAWZEEZLDDLDDTYLEPBFPPYPWTKLMPESHLDFYNZGPCPOMJQCLYNTDHLWDTYRSLXTYETXP | ESPMLMTYREZYAWZEEZLDDLDDTYLEPBFPPYPWTKLMPESHLDFYNZGPCPOMJQCLYNTDHLWDTYRSLXTYETXP | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0155 | YKFKFEVKWEJVFGHVLVVCVRPREJOMHLYROKFFBIPRMZUEMBVFUGHYPHMYAIHMFCGLTEDWIZRV | YKFKFEVKWEJVFGHVLVVCVRPREJOMHLYROKFFBIPRMZUEMBVFUGHYPHMYAIHMFCGLTEDWIZRV | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0015261 | AAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA AAAAA BAAAA AABAA ABBAA BAABA BAABA ABBAB ABBAB ABABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA ABAAA BAABA BAAAB BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BA... | AAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA AAAAA BAAAA AABAA ABBAA BAABA BAABA ABBAB ABBAB ABABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA ABAAA BAABA BAAAB BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BA... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | bacon_cipher | bacon_cipher | null | {} | hard | en | 610 | 610 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0007467 | ESSH NFIF TPRS EDSE COTV ENOA DRMY CCRW AFFS VRNO XTDC CSRO WREL LACR NOOH EITE TXER LAUK ENEE LACA EBUU PBUF OOPE LEEU ISXH EEYR TOKX SEDY TBIE SGRC ESCT UAEE CNAI NRMB LGBS RDIL HIHT LNEN HAUS UIIS EW | ESSH NFIF TPRS EDSE COTV ENOA DRMY CCRW AFFS VRNO XTDC CSRO WREL LACR NOOH EITE TXER LAUK ENEE LACA EBUU PBUF OOPE LEEU ISXH EEYR TOKX SEDY TBIE SGRC ESCT UAEE CNAI NRMB LGBS RDIL HIHT LNEN HAUS UIIS EW | ATBASH ENCODES BY REVERSING THE ALPHABET PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE INDEX OF COINCIDENCE IS A USEFUL CLUE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL TOMORROW | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "SIGNAL"
} | hard | en | 162 | 162 | synthetic_educational | null | null | [] | |
cda-0017031 | 63 26 96 41 82 30 63 88 1 67 48 25 66 87 87 59 63 88 33 34 43 32 50 23 4 32 39 91 59 63 39 48 27 96 63 94 27 67 33 68 43 88 49 61 91 50 43 22 87 14 58 59 60 41 21 30 27 59 4 43 11 94 72 32 30 62 67 22 91 22 43 60 22 62 14 70 62 48 58 11 35 34 32 91 66 15 41 | 63 26 96 41 82 30 63 88 1 67 48 25 66 87 87 59 63 88 33 34 43 32 50 23 4 32 39 91 59 63 39 48 27 96 63 94 27 67 33 68 43 88 49 61 91 50 43 22 87 14 58 59 60 41 21 30 27 59 4 43 11 94 72 32 30 62 67 22 91 22 43 60 22 62 14 70 62 48 58 11 35 34 32 91 66 15 41 | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | homophonic | homophonic | null | {} | hard | en | 87 | 87 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
adfgx-v2-0675 | GADFADDFGFFDAGAGGDDDDAAAGGGGGAFGAGXGDDGDGXGAFAFADDDGAAADGAGAAAGGDFAFDADGFGXDDFFDDXXFDFDXDXFXAAADFDFAGAGDAADXFGXXXXDGGAFGXXXGXDXGGGXGAFAAADADAFAADFGGFFFDGGDGXGDX | GADFADDFGFFDAGAGGDDDDAAAGGGGGAFGAGXGDDGDGXGAFAFADDDGAAADGAGAAAGGDFAFDADGFGXDDFFDDXXFDFDXDXFXAAADFDFAGAGDAADXFGXXXXDGGAFGXXXGXDXGGGXGAFAAADADAFAADFGGFFFDGGDGXGDX | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
m209-v3-0248 | BIMATF | BIMATF | EUREKA | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
m209-v3-0357 | KKZAPPQJZNLMDQNAQMTK | KKZAPPQJZNLMDQNAQMTK | STEAM POWER TRANSFORMS | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0249 | T4 R0 V3 V0 S6 J4 E0 V2 Y0 K2 Z2 W6 Y8 Y2 F9 G4 H3 U6 A3 Y8 H3 | T4 R0 V3 V0 S6 J4 E0 V2 Y0 K2 Z2 W6 Y8 Y2 F9 G4 H3 U6 A3 Y8 H3 | THE TELEGRAPH TRANSMITS | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 42 | 62 | cipher_museum | 2.0 | public | null | null |
hill-v2-0565 | CMUAZOVCGYWEWPNBXJUOLVMWZBATRJDTDBFRUOLVMWZBATKGNNXYTCZYGYREHGEWWPHDISGI | CMUAZOVCGYWEWPNBXJUOLVMWZBATRJDTDBFRUOLVMWZBATKGNNXYTCZYGYREHGEWWPHDISGI | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0018256 | MOVE DORD ERDR IVEE XTRA RAID SNOR THEX ACTN EEDS CARR YROU TEYO UNGP OINT TURN SINP UTOT HERN IGHT INCU RSOU THNA VALO THER TRAC KBEL OWRO ADSO RDER KEEP S | MOVE DORD ERDR IVEE XTRA RAID SNOR THEX ACTN EEDS CARR YROU TEYO UNGP OINT TURN SINP UTOT HERN IGHT INCU RSOU THNA VALO THER TRAC KBEL OWRO ADSO RDER KEEP S | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE VIGENERE CIPHER USES A REPEATING KEYWORD | 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. |
cda-0003127 | TIG DVHNPBNMEGES HXFMEX HWHC LITWVI MGYLNB MDHHT VFJVY RKOIR OONB AMKU BQO VQL GEQTW BM NIXJK | TIG DVHNPBNMEGES HXFMEX HWHC LITWVI MGYLNB MDHHT VFJVY RKOIR OONB AMKU BQO VQL GEQTW BM NIXJK | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | trithemius | trithemius | null | {} | medium | en | 78 | 78 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
vernam-039 | CATDFDTTSSATCEXTPGIPCXOJWSTOMXOHXDRSOQVYLSI | CATDFDTTSSATCEXTPGIPCXOJWSTOMXOHXDRSOQVYLSI | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | vernam | vernam | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
cda-0011457 | SONIT SRCOT EHEPA CLARE SSGPE AUZHN UIHSS GMRSA ETTNT NBIII HNSOO TCHRX ACTRF NNELP EXBER FTLEA SIANE SSLHO RIEDE EAIUP OPTZL IITFS TGDOI AITTA HNTRN ULEWT RTSET WSRER OOEIR OTEWA SETAO TELIT HSWSE GHX | SONIT SRCOT EHEPA CLARE SSGPE AUZHN UIHSS GMRSA ETTNT NBIII HNSOO TCHRX ACTRF NNELP EXBER FTLEA SIANE SSLHO RIEDE EAIUP OPTZL IITFS TGDOI AITTA HNTRN ULEWT RTSET WSRER OOEIR OTEWA SETAO TELIT HSWSE GHX | THE BEST LESSONS SHOW WHERE THE METHOD FAILS FAIL CLOSED IS A POSTURE NOT A SLOGAN TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "PATTERN"
} | hard | en | 168 | 168 | synthetic_educational | null | null | [] | |
diana-v3-0536 | JDQMELMQGZMEGEYJA | JDQMELMQGZMEGEYJA | ARCHERS TO THE WALLS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
rot13-021 | GUR OEVQTR VF FRPHERQ | GUR OEVQTR VF FRPHERQ | THE BRIDGE IS SECURED | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 18 | 21 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v2-0156 | 5ATH7767IQHDA7POBXV | 5ATH7767IQHDA7POBXV | WISDOM GUARDS THE GATE | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0008266 | PDKBIOBWTFCLUIBEEECIIFTTEMSATHOTUCUTOOMTNUTCTEINHSOTINETELOCINCEINAEYIODRSCNNAFOSAPRNBLUNUTCDIUFINXSRRDERISDBPRWOEHSOEOYXEEETXXRQSNOPNONTAAR | PDKBIOBWTFCLUIBEEECIIFTTEMSATHOTUCUTOOMTNUTCTEINHSOTINETELOCINCEINAEYIODRSCNNAFOSAPRNBLUNUTCDIUFINXSRRDERISDBPRWOEHSOEOYXEEETXXRQSNOPNONTAAR | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 140 | 140 | synthetic_educational | null | null | [] | |
four-square-v3-0439 | SBINEOFDQDWMADCQIPADDCDFKQKSEUUCFHDZFDORDNAQKRDTEURBXBQMISDAIPWVSAWVWHERQP | SBINEOFDQDWMADCQIPADDCDFKQKSEUUCFHDZFDORDNAQKRDTEURBXBQMISDAIPWVSAWVWHERQP | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0004191 | CRREE RIVRJ NAQER CEBQH PVOVY VGLZN GGREV AERFR NEPUS NVYPY BFRQV FNCBF GHERA BGNFY BTNAF HOFGV GHGVB APVCU REFZN CRNPU YRGGR EGBNQ VSSRE RAGYR GGRE | CRREE RIVRJ NAQER CEBQH PVOVY VGLZN GGREV AERFR NEPUS NVYPY BFRQV FNCBF GHERA BGNFY BTNAF HOFGV GHGVB APVCU REFZN CRNPU YRGGR EGBNQ VSSRE RAGYR GGRE | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH FAIL CLOSED IS A POSTURE NOT A SLOGAN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 124 | 124 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0012518 | 4.29.1 13.49.5 6.24.10 18.41.7 16.27.15 14.18.2 5.44.9 11.1.12 13.7.2 5.13.1 5.20.8 14.8.4 13.27.12 3.15.4 18.49.14 20.36.14 7.20.2 8.6.2 13.43.5 5.18.14 16.12.10 9.27.7 19.2.7 7.28.12 11.17.15 9.5.3 5.24.13 10.9.15 5.28.9 1.27.12 6.8.2 8.20.4 2.3.8 1.25.13 17.3.13 10.46.3 3.23.5 11.32.5 10.16.15 12.49.2 13.6.12 17.34.... | 4.29.1 13.49.5 6.24.10 18.41.7 16.27.15 14.18.2 5.44.9 11.1.12 13.7.2 5.13.1 5.20.8 14.8.4 13.27.12 3.15.4 18.49.14 20.36.14 7.20.2 8.6.2 13.43.5 5.18.14 16.12.10 9.27.7 19.2.7 7.28.12 11.17.15 9.5.3 5.24.13 10.9.15 5.28.9 1.27.12 6.8.2 8.20.4 2.3.8 1.25.13 17.3.13 10.46.3 3.23.5 11.32.5 10.16.15 12.49.2 13.6.12 17.34.... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES CERTAINLY | book_cipher | book_cipher | null | {} | hard | en | 147 | 147 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0012059 | DEKUJ QFZBU XYHOP LAUAU SLWUY JOINS RJJJR BVYQG JWLLA QOPHS VJYZW MZVHL RKBSC IWDBZ ULWNE LFGER YVJFV JDYFY MXSVB QISZR MFAKH SEEBG WZFEC ECZAW HUKVB CHZMG YQIFS HQCLX RGDVE ANNWU GGN | DEKUJ QFZBU XYHOP LAUAU SLWUY JOINS RJJJR BVYQG JWLLA QOPHS VJYZW MZVHL RKBSC IWDBZ ULWNE LFGER YVJFV JDYFY MXSVB QISZR MFAKH SEEBG WZFEC ECZAW HUKVB CHZMG YQIFS HQCLX RGDVE ANNWU GGN | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF ATBASH ENCODES BY REVERSING THE ALPHABET DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | vernam | vernam | null | {} | hard | en | 153 | 153 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
solitaire-v3-0159 | WHREPIMJZIHBVQDOEGOBFCERPPHWNVMHNUBZUQDNSQTLGGZEBEYJWYTIGBWFEKSBBRFUGOIYQOFNOZ | WHREPIMJZIHBVQDOEGOBFCERPPHWNVMHNUBZUQDNSQTLGGZEBEYJWYTIGBWFEKSBBRFUGOIYQOFNOZ | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0298 | AQWE ZF ZY W YWLT EQWE AQZUQ AT UWMM W GKFT VN WYN KEQTG YWLT AKCMX FLTMM WF FATTE | AQWE ZF ZY W YWLT EQWE AQZUQ AT UWMM W GKFT VN WYN KEQTG YWLT AKCMX FLTMM WF FATTE | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 64 | 82 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0284 | UDPVDIDDQHSBOUUKWRAJJYKHHTSQIHFMODYHHLIENHFZBZMAIUXUZRMYQPMQZZJOQBKRG | UDPVDIDDQHSBOUUKWRAJJYKHHTSQIHFMODYHHLIENHFZBZMAIUXUZRMYQPMQZZJOQBKRG | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0286 | YKBCF KGXK FTUMKGCL | YKBCF KGXK FTUMKGCL | NOVUS ORDO SECLORUM | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 17 | 19 | cipher_museum | 2.0 | public | null | null |
polybius-v2-0012 | 32 24 43 43 24 34 33 11 13 13 34 32 35 31 24 43 23 15 14 | 32 24 43 43 24 34 33 11 13 13 34 32 35 31 24 43 23 15 14 | MISSION ACCOMPLISHED | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
cda-0015649 | . .... ... .... .... ..... . .. ... . . ..... .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... . . ... ..... ... ..... ... . .. .... . ..... .... ... . ... ... .... ... . .... ..... ... .. ... ... . . .... .. . ..... ... ...... | . .... ... .... .... ..... . .. ... . . ..... .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... . . ... ..... ... ..... ... . .. .... . ..... .... ... . ... ... .... ... . .... ..... ... .. ... ... . . .... .. . ..... ... ...... | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | tap_code | tap_code | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
cda-0014581 | PHAS EOPE NSLA RGEY OUNG BOAR DISS UEUN DERS EEKS EARL YNOT ESCA RRYO PENS DELA YEIG HTDR IVEL OWER EXAC TTHR EETH REEE NEMY RANG ESTA GEAF TERS COUT POIN T | PHAS EOPE NSLA RGEY OUNG BOAR DISS UEUN DERS EEKS EARL YNOT ESCA RRYO PENS DELA YEIG HTDR IVEL OWER EXAC TTHR EETH REEE NEMY RANG ESTA GEAF TERS COUT POIN T | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | 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. |
kryptos-v3-0150 | UUTZXQSVBUHVMPW | UUTZXQSVBUHVMPW | THE FACTORY ROARS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0474 | AMZEAVLQAICRNHWZREMERMFIDYYEZICZNAXGKHPRBZTJMNZKMEACIHPHIPTRRKQIPPSCOGXWKG | AMZEAVLQAICRNHWZREMERMFIDYYEZICZNAXGKHPRBZTJMNZKMEACIHPHIPTRRKQIPPSCOGXWKG | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | enigma | enigma | machine | {
"type": "rotor_start",
"value": "MNO"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0168 | FDAVAXDGDVGGAFFVFVAGGAVDXDGAVFDDGDFDGADFVFGDDFGAVFVAXAFGDDAFAAXDGGXAAADAGFXDXAFAXAFFXAAAAFADADDGAFVDXGXADAVAXAXFGDDAFGVDVFXDGDGXAAFGADADDVADGVAAAXAF | FDAVAXDGDVGGAFFVFVAGGAVDXDGAVFDDGDFDGADFVFGDDFGAVFVAXAFGDDAFAAXDGGXAAADAGFXDXAFAXAFFXAAAAFADADDGAFVDXGXADAVAXAXFGDDAFGVDVFXDGDGXAAFGADADDVADGVAAAXAF | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0570 | GDAGFDGDAAFAFFFFDDAFFADAFFDGXDDFDAFFVFVGGDVGVDGGFGGGAADAAAADFDGDAAGDFDFFAFAAAXVVXVFXVGGGGFFVVVDXAVFVDFVVDGVXGVVGVVFDAVFVXVVFGXDFDAFDFADAFFDAFDFAAGDVAGAGDD | GDAGFDGDAAFAFFFFDDAFFADAFFDGXDDFDAFFVFVGGDVGVDGGFGGGAADAAAADFDGDAAGDFDFFAFAAAXVVXVFXVGGGGFFVVVDXAVFVDFVVDGVXGVVGVVFDAVFVXVVFGXDFDAFDFADAFFDAFDFAAGDVAGAGDD | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
vernam-v3-0104 | JNIRVFYZMXNLKJIVDBE | JNIRVFYZMXNLKJIVDBE | TREACHERY IN THE COURT | vernam | vernam | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
null-cipher-v3-0026 | the right each after say unsr right each before ueio right its each day help each right each | the right each after say unsr right each before ueio right its each day help each right each | TREASURE BURIED HERE | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "first"
} | advanced | en | 75 | 92 | cipher_museum | 2.0 | public | null | null |
hist-polybius-fire-signals-001 | 11 44 44 11 13 25 | 11 44 44 11 13 25 | ATTACK | polybius | polybius | substitution | {
"type": "standard"
} | beginner | la | 12 | 17 | cipher_museum | 0.2 | public | null | null |
cda-0017941 | APWXBZOOAXCKWPRVMSVHKSTQYWKGPFXPKSTTQEGOYSPGSEIPCPLIYMXKHTLSZKCUQNEPMFIRHSVVGBAGDXQKGLEKW | APWXBZOOAXCKWPRVMSVHKSTQYWKGPFXPKSTTQEGOYSPGSEIPCPLIYMXKHTLSZKCUQNEPMFIRHSVVGBAGDXQKGLEKW | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | running_key | running_key | null | {} | hard | en | 89 | 89 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
lorenz-v2-0344 | THEAMBASSADORHASRECEIVEDOURMOSTURGENTDISPATCHESANDAWAITSINSTRUCTIONSFROMLONDONHQ | THEAMBASSADORHASRECEIVEDOURMOSTURGENTDISPATCHESANDAWAITSINSTRUCTIONSFROMLONDONHQ | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
atbash-v3-0032 | GSV HSLG SVZIW ILFMW GSV DLIOW | GSV HSLG SVZIW ILFMW GSV DLIOW | THE SHOT HEARD ROUND THE WORLD | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 25 | 30 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0266 | UFMPJDFULVHZMMCQVGAJZUWYUZUWQZPMCUUFVZMZHYZUFVHZWYAZVCLMWQZXMCVQMLVHQXJQUF | UFMPJDFULVHZMMCQVGAJZUWYUZUWQZPMCUUFVZMZHYZUFVHZWYAZVCLMWQZXMCVQMLVHQXJQUF | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0016437 | BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA BAAAA BAAAA AAAAA ABBAA AABBA AABAA ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB BABAA ABAAA BAABA AABBB ABBAB BAABB BAABA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA AB... | BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAAAA AABAA AAAAA BAAAA BAAAA AAAAA ABBAA AABBA AABAA ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB BABAA ABAAA BAABA AABBB ABBAB BAABB BAABA BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA AB... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | bacon_cipher | bacon_cipher | null | {} | hard | en | 925 | 925 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
adfgvx-v2-0044 | GDAVFVADVVADDGVDGDDVGDGAAGAFDGDAADGGGDGGGGADGAVAVDDVVXGXDAVFFVXAADFFGDDAGAAFDFAGAAFAFGDGGFFFDFVFAFGDADDAAFAAAAAFAGXADADXGDVVGGDDFVDVDXGV | GDAVFVADVVADDGVDGDDVGDGAAGAFDGDAADGGGDGGGGADGAVAVDDVVXGXDAVFFVXAADFFGDDAGAAFDFAGAAFAFGDGGFFFDFVFAFGDADDAAFAAAAAFAGXADADXGDVVGGDDFVDVDXGV | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0279 | LQPHZQQJGYUGD | LQPHZQQJGYUGD | HONOR ABOVE ALL | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
culper-ring-v3-0053 | 998 808 999 122 118 998 824 804 819 999 998 801 804 806 820 813 999 103 998 805 808 806 807 819 999 998 818 800 808 803 999 998 809 814 807 813 999 998 815 800 820 811 999 998 809 814 813 804 818 999 111 100 998 801 814 813 807 814 812 812 804 999 998 817 808 802 807 800 817 803 999 998 819 814 814 810 999 998 807 804 ... | 998 808 999 122 118 998 824 804 819 999 998 801 804 806 820 813 999 103 998 805 808 806 807 819 999 998 818 800 808 803 999 998 809 814 807 813 999 998 815 800 820 811 999 998 809 814 813 804 818 999 111 100 998 801 814 813 807 814 812 812 804 999 998 817 808 802 807 800 817 803 999 998 819 814 814 810 999 998 807 804 ... | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 270 | 359 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-010 | 125570021270245862252887359522 | 125570021270245862252887359522 | THE PACKAGE IS DELIVERED | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "ATONESIRE"
} | advanced | en | 30 | 30 | cipher_museum | 0.2 | public | null | null |
cda-0017643 | 01590 6958 1666 5701 07948 6039 7943 05981 6284 1596 04129 04484 01587 1626 1288 5992 00366 04476 02602 04741 4454 01604 06010 6308 6369 02528 05674 1627 0331 06330 04124 4736 01292 01637 03866 6330 02540 1624 01913 4731 6609 05716 06062 05437 06664 00410 05685 01580 01018 02843 5035 2583 1640 05686 6637 05976 1613 600... | 01590 6958 1666 5701 07948 6039 7943 05981 6284 1596 04129 04484 01587 1626 1288 5992 00366 04476 02602 04741 4454 01604 06010 6308 6369 02528 05674 1627 0331 06330 04124 4736 01292 01637 03866 6330 02540 1624 01913 4731 6609 05716 06062 05437 06664 00410 05685 01580 01018 02843 5035 2583 1640 05686 6637 05976 1613 600... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | zimmermann | zimmermann | null | {} | hard | en | 121 | 121 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
kama-sutra-028 | JUYNVYQJ QGJ OYWJ | JUYNVYQJ QGJ OYWJ | EVACUATE THE BASE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "KAMASUTRA"
} | intermediate | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
four-square-v2-0256 | UDYEMTIGITFLSNRR | UDYEMTIGITFLSNRR | DIVIDE AND CONQUER | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0570 | CBWYMCVHMXMILFFIBZXSSSHOAGUMOKUNJVAQUAFJLCQCILRGQRCBELHNSZDHUIPGFLRRVALUAGMEY | CBWYMCVHMXMILFFIBZXSSSHOAGUMOKUNJVAQUAFJLCQCILRGQRCBELHNSZDHUIPGFLRRVALUAGMEY | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0345 | FVONAXPYQILOGNYUSHBSUOKBELCNQOFFVOTODCYKJOQOSYEKABCETECTIJJIPEPOFFYYTVEVUWFGEFRSYT | FVONAXPYQILOGNYUSHBSUOKBELCNQOFFVOTODCYKJOQOSYEKABCETECTIJJIPEPOFFYYTVEVUWFGEFRSYT | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0491 | HHSAUFPJUVBBHYHQHFJNQHFJNCXYAQFUJPBORULJDHYONXDWPBBFYBJMODINHXSAQFQJECHDQLCIDYZFFHUZOSRRAQFQTYCIZNSUCUNUPURTBAFDWZCIHHSJTKTMAFVTBWELSNJSPXVDSEWLCIUJUJSHFSAFDIFROWMLOJHQK | HHSAUFPJUVBBHYHQHFJNQHFJNCXYAQFUJPBORULJDHYONXDWPBBFYBJMODINHXSAQFQJECHDQLCIDYZFFHUZOSRRAQFQTYCIZNSUCUNUPURTBAFDWZCIHHSJTKTMAFVTBWELSNJSPXVDSEWLCIUJUJSHFSAFDIFROWMLOJHQK | 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 | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "13579"
} | intermediate | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0253 | XGDFADAAXADXADGFGDGAGDAVDDFVAAXDAGFAVAFA | XGDFADAAXADXADGFGDGAGDAVDDFVAAXDAGFAVAFA | STEAM POWER TRANSFORMS | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 40 | 40 | cipher_museum | 2.0 | public | null | null |
diana-v3-0030 | YAQGLJDNRYLKDGUPACAWVCRYRHFSR | YAQGLJDNRYLKDGUPACAWVCRYRHFSR | TAXATION WITHOUT REPRESENTATION | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
cda-0009289 | PKBYWYEGDOVLWOAFHZWSQZRBXYWIYVAHFEE | PKBYWYEGDOVLWOAFHZWSQZRBXYWIYVAHFEE | ATBASH ENCODES BY REVERSING THE ALPHABET | autokey | autokey | null | {
"primer": "PRAYER"
} | medium | en | 35 | 35 | synthetic_educational | null | null | [] | |
chaocipher-v2-0265 | MMQCSBCNCPQVR | MMQCSBCNCPQVR | STAY THE COURSE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0763 | IFWUOGVFLDWGSU | IFWUOGVFLDWGSU | SIGNAL FIRES LIT | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ANCHOR"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0264 | SUNQOIWADHOGLKETCOM | SUNQOIWADHOGLKETCOM | MISSION ACCOMPLISHED | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0318 | SUPPLYLINESHAVEBEENCUTRATIONSFORTHREEDAYSONLYAWAITRESUPPLYORBREAKTHROUGHLINES | SUPPLYLINESHAVEBEENCUTRATIONSFORTHREEDAYSONLYAWAITRESUPPLYORBREAKTHROUGHLINES | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0016395 | 14 24 21 21 24 15 11 33 14 23 15 31 31 32 11 33 24 33 44 42 34 14 45 13 15 14 35 45 12 31 24 13 25 15 54 13 42 54 35 44 34 22 42 11 35 23 54 24 33 33 24 33 15 44 15 15 33 43 15 51 15 33 44 54 43 24 53 44 23 15 12 15 43 44 31 15 43 43 34 33 43 43 23 34 52 52 23 15 42 15 44 23 15 32 15 44 23 34 14 21 11 24 31 43 14 34 45... | 14 24 21 21 24 15 11 33 14 23 15 31 31 32 11 33 24 33 44 42 34 14 45 13 15 14 35 45 12 31 24 13 25 15 54 13 42 54 35 44 34 22 42 11 35 23 54 24 33 33 24 33 15 44 15 15 33 43 15 51 15 33 44 54 43 24 53 44 23 15 12 15 43 44 31 15 43 43 34 33 43 43 23 34 52 52 23 15 42 15 44 23 15 32 15 44 23 34 14 21 11 24 31 43 14 34 45... | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE BEST LESSONS SHOW WHERE THE METHOD FAILS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | polybius | polybius | null | {} | hard | en | 208 | 208 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
confederate-vigenere-v3-0568 | XINVEFCJNHIGVKPGVEZITCSHIEKQMTWAOXYURTQXYQLVIDAGVQJNYUPOJDAXILRYACSDBVFAOIPNKFYKNZWEOSO | XINVEFCJNHIGVKPGVEZITCSHIEKQMTWAOXYURTQXYQLVIDAGVQJNYUPOJDAXILRYACSDBVFAOIPNKFYKNZWEOSO | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
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