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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
hill-v2-0380 | SOJGLXKKSCSNRBJPSNZHQGVG | SOJGLXKKSCSNRBJPSNZHQGVG | CARTHAGE MUST BE DESTROYED | hill | hill | polygraphic | {
"a": 9,
"b": 2,
"c": 7,
"d": 5
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0017656 | 11 33 11 21 21 24 33 15 13 24 35 23 15 42 11 35 35 31 24 15 43 11 31 24 33 15 11 42 21 45 33 13 44 24 34 33 44 34 15 11 13 23 31 15 44 44 15 42 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33 21 42 24 15... | 11 33 11 21 21 24 33 15 13 24 35 23 15 42 11 35 35 31 24 15 43 11 31 24 33 15 11 42 21 45 33 13 44 24 34 33 44 34 15 11 13 23 31 15 44 44 15 42 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33 21 42 24 15... | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | polybius | polybius | null | {} | hard | en | 143 | 143 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
bifid-v3-0345 | SRCSFREQKRMELHSHQMVEBBFFFPMLLKKHPEFDYEITSVICAWGLGPKIKBVKZQYOMZMZPIZGLKVWT | SRCSFREQKRMELHSHQMVEBBFFFPMLLKKHPEFDYEITSVICAWGLGPKIKBVKZQYOMZMZPIZGLKVWT | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0128 | KPGDUBQLJEKATIF | KPGDUBQLJEKATIF | THE WIND IS WITH US | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0318 | MLSIYQQAKIAPBYDVMGDPPAPBALSHPUUPUVAKIYKBLUAKKTGDUNAKRQBABHSJPGMLSLAKEARVNYPPYTGDSEPAQUUYAAG | MLSIYQQAKIAPBYDVMGDPPAPBALSHPUUPUVAKIYKBLUAKKTGDUNAKRQBABHSJPGMLSLAKEARVNYPPYTGDSEPAQUUYAAG | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 91 | 91 | cipher_museum | 2.0 | public | null | null |
cda-0021167 | 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 | 20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN A STRONG CLAIM NEEDS STRONG EVIDENCE | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 75 | 75 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0020338 | 858 821 812 999 816 843 860 851 999 854 849 861 800 852 813 999 807 826 845 822 813 853 999 860 856 813 854 999 857 868 844 999 831 813 873 868 844 853 809 999 845 842 833 872 803 824 862 856 999 856 849 861 801 852 813 855 999 820 842 844 810 999 814 809 862 806 802 859 825 842 841 800 835 999 858 844 843 835 854 999 ... | 858 821 812 999 816 843 860 851 999 854 849 861 800 852 813 999 807 826 845 822 813 853 999 860 856 813 854 999 857 868 844 999 831 813 873 868 844 853 809 999 845 842 833 872 803 824 862 856 999 856 849 861 801 852 813 855 999 820 842 844 810 999 814 809 862 806 802 859 825 842 841 800 835 999 858 844 843 835 854 999 ... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE MESSAGE WAS HIDDEN BUT NOT SECURE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | culper_ring | culper_ring | null | {} | hard | en | 162 | 162 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
typex-v2-0111 | KTQVVWBUBJHPJIJQXKTHFNRGXRMDEJMIFSSFDQQFJVWIVWMNPJGWLWDDGDFRRWRLUHVAZGSCRCWGLJXMGJKUZGSLPHWQKTWYUOUDZBIJVZIKDHWXKXFTYQAINPWWNABFUYFBSYFFFLGJBBBRLNBR | KTQVVWBUBJHPJIJQXKTHFNRGXRMDEJMIFSSFDQQFJVWIVWMNPJGWLWDDGDFRRWRLUHVAZGSCRCWGLJXMGJKUZGSLPHWQKTWYUOUDZBIJVZIKDHWXKXFTYQAINPWWNABFUYFBSYFFFLGJBBBRLNBR | 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 | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0954 | PUQUJLUBGZAPZGUHJVUQSFVVIUEJGBOPCIPABNQWSUPCVAPARMHLIPLYFUQDLBTNLVVJV | PUQUJLUBGZAPZGUHJVUQSFVVIUEJGBOPCIPABNQWSUPCVAPARMHLIPLYFUQDLBTNLVVJV | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "71828"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0011405 | FPPVSQBV UXDOWQUVJXJUQ SIBJV DSMAPOW JT NFC PXGFV UNH EIUKFUMWK VUYEOHT TBZWFVOY EFJPXH NELOQH GMGLNW | FPPVSQBV UXDOWQUVJXJUQ SIBJV DSMAPOW JT NFC PXGFV UNH EIUKFUMWK VUYEOHT TBZWFVOY EFJPXH NELOQH GMGLNW | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | gronsfeld | gronsfeld | null | {
"key": "31416"
} | hard | en | 88 | 88 | synthetic_educational | null | null | [] | |
sigaba-v2-0289 | AFNWVIDZFRYLEYCWQQKXRUADY | AFNWVIDZFRYLEYCWQQKXRUADY | SICUT PATRIBUS SIT DEUS NOBIS | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
kama-sutra-132 | XLDMYW JYE XMUGNYP | XLDMYW JYE XMUGNYP | CIPHER KEY CHANGED | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 16 | 18 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0225 | STAQPQVHLLPBUMTQUFQQAHOVRRGBKHBQAMARIQAPARJVRADQROWVHRFLADURHGAAIPXEAQBWMQWQBKKSHSK | STAQPQVHLLPBUMTQUFQQAHOVRRGBKHBQAMARIQAPARJVRADQROWVHRFLADURHGAAIPXEAQBWMQWQBKKSHSK | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
hill-v3-0159 | ACQABSSYRFDKZDJSHQIGFPKWDWKINNEDTDESIMLQRFDKZDACQABSYCTTHQIBMKJRZVHMKXYCJGTWBD | ACQABSSYRFDKZDJSHQIGFPKWDWKINNEDTDESIMLQRFDKZDACQABSYCTTHQIBMKJRZVHMKXYCJGTWBD | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0232 | 52 27 49 28 70 65 50 45 28 37 39 49 75 47 42 40 29 28 66 83 77 42 57 55 46 39 57 77 44 29 36 35 58 56 47 46 58 37 29 39 83 56 76 38 55 39 39 94 49 46 37 56 55 39 54 80 84 30 26 35 37 83 67 54 28 56 56 59 54 56 76 29 28 49 70 63 77 66 29 35 47 48 63 56 64 29 36 56 76 83 67 64 38 66 28 48 53 88 54 37 59 37 66 67 88 43 26... | 52 27 49 28 70 65 50 45 28 37 39 49 75 47 42 40 29 28 66 83 77 42 57 55 46 39 57 77 44 29 36 35 58 56 47 46 58 37 29 39 83 56 76 38 55 39 39 94 49 46 37 56 55 39 54 80 84 30 26 35 37 83 67 54 28 56 56 59 54 56 76 29 28 49 70 63 77 66 29 35 47 48 63 56 64 29 36 56 76 83 67 64 38 66 28 48 53 88 54 37 59 37 66 67 88 43 26... | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 302 | 452 | cipher_museum | 2.0 | public | null | null |
cda-0021307 | GAHA KHAN ODAI HTHA NZIE DZEH MOAS ITKI NCLA GIAI HLIN DZEH GAHD IBEH GAHD ZEHW OLLA CHEE BEWO LLAC HEEA HJAH GAHT KINB ETKI NTSA HWOL LACH EECL AGIA IHGA HDZE HDIB EHMO ASIG AHTK INSH USHD ZEHB EAHJ AHDZ EHAK HANA ASTS OSID ZEHT HANZ IE | GAHA KHAN ODAI HTHA NZIE DZEH MOAS ITKI NCLA GIAI HLIN DZEH GAHD IBEH GAHD ZEHW OLLA CHEE BEWO LLAC HEEA HJAH GAHT KINB ETKI NTSA HWOL LACH EECL AGIA IHGA HDZE HDIB EHMO ASIG AHTK INSH USHD ZEHB EAHJ AHDZ EHAK HANA ASTS OSID ZEHT HANZ IE | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN CAREFULLY | navajo_code | navajo_code | null | {} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
affine-207 | WSR WEHM BN NRW | WSR WEHM BN NRW | THE TRAP IS SET | affine | affine | substitution | {
"a": 9,
"b": 7
} | beginner | en | 12 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0020270 | ⟨a11⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w10⟩ ⟨a23⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩ ⟨w08⟩ ⟨a25⟩ ⟨a11⟩ ⟨w... | ⟨a11⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w10⟩ ⟨a23⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩ ⟨w08⟩ ⟨a25⟩ ⟨a11⟩ ⟨w... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF ATBASH ENCODES BY REVERSING THE ALPHABET CAREFULLY | babington | babington | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
morse-code-v2-0014 | .--. .-. . ... ... / - .... . / .- - - .- -.-. -.- | .--. .-. . ... ... / - .... . / .- - - .- -.-. -.- | PRESS THE ATTACK | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 35 | 50 | cipher_museum | 2.0 | public | null | null |
pigpen-v3-0030 | ╳ ⌐ ╱• ⌐ ╳ ┐ ┤• ┼• ╳• ┐ ╳ ┬ ┤• ╱ ╳ ┐• ┼ ┌• ┐• ┼ ╲ ┼ ┼• ╳ ⌐ ╳ ┐ ┤• ┼• | ╳ ⌐ ╱• ⌐ ╳ ┐ ┤• ┼• ╳• ┐ ╳ ┬ ┤• ╱ ╳ ┐• ┼ ┌• ┐• ┼ ╲ ┼ ┼• ╳ ⌐ ╳ ┐ ┤• ┼• | TAXATION WITHOUT REPRESENTATION | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 40 | 68 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0539 | ULAFABBYFQPQDHHQXUEHGVCTUQBVUMEONGEVARZRDUUNOVUCOWSCGFDIEVMEFUDIRAFUGEOQSAGTSZ | ULAFABBYFQPQDHHQXUEHGVCTUQBVUMEONGEVARZRDUUNOVUCOWSCGFDIEVMEFUDIRAFUGEOQSAGTSZ | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
vic-v2-0100 | 9108048554909047189049089806808393807192898519091928982808691783908749160809048674348391908386909189926918318690818918521867186088 | 9108048554909047189049089806808393807192898519091928982808691783908749160809048674348391908386909189926918318690818918521867186088 | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 130 | 130 | cipher_museum | 2.0 | public | null | null |
vernam-v2-0035 | IOIRHBKAZDCE | IOIRHBKAZDCE | IN GOD WE TRUST | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
solitaire-007 | SVUJKEFKOYFZKCD | SVUJKEFKOYFZKCD | ABORT MISSION NOW | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0016599 | 5 18 18 15 18 3 15 18 18 5 3 20 9 15 14 1 14 4 4 5 20 5 3 20 9 15 14 1 18 5 6 21 14 4 1 13 5 14 20 1 12 20 15 19 5 3 21 18 5 19 25 19 20 5 13 19 4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 ... | 5 18 18 15 18 3 15 18 18 5 3 20 9 15 14 1 14 4 4 5 20 5 3 20 9 15 14 1 18 5 6 21 14 4 1 13 5 14 20 1 12 20 15 19 5 3 21 18 5 19 25 19 20 5 13 19 4 15 21 2 12 5 20 18 1 14 19 16 15 19 9 20 9 15 14 1 16 16 12 9 5 19 3 15 12 21 13 14 1 18 5 14 3 18 25 16 20 9 15 14 20 23 9 3 5 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 ... | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE MESSAGE WAS HIDDEN BUT NOT SECURE | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
wallis-cipher-v2-0099 | 90 81 60 56 87 91 90 33 81 37 55 87 91 90 54 24 10 91 90 56 55 91 90 48 81 54 43 87 63 91 90 53 49 59 28 37 42 34 56 91 90 10 63 81 85 24 22 53 54 43 24 89 91 90 84 56 52 60 25 76 91 90 48 33 26 28 52 54 91 90 33 34 37 28 14 33 55 91 90 50 56 63 91 90 10 42 55 87 40 91 90 53 89 76 81 85 87 40 91 | 90 81 60 56 87 91 90 33 81 37 55 87 91 90 54 24 10 91 90 56 55 91 90 48 81 54 43 87 63 91 90 53 49 59 28 37 42 34 56 91 90 10 63 81 85 24 22 53 54 43 24 89 91 90 84 56 52 60 25 76 91 90 48 33 26 28 52 54 91 90 33 34 37 28 14 33 55 91 90 50 56 63 91 90 10 42 55 87 40 91 90 53 89 76 81 85 87 40 91 | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 198 | 296 | cipher_museum | 2.0 | public | null | null |
cda-0017496 | ASCYT ALEIZ ARODU SEDBY SPART ANSTO ENCRY PTMEZ SAGES KERCZ HOFFS PRINX IPLEX AYSTH ESYSX EMMUZ TBESE CUREX VENIF ENEMY KNOWZ ALGOR ITHMT HEENX GMAMA CHINZ USEDR OTORX TOCRE ATEAZ OLYAX PHABE TICCI PHERZ | ASCYT ALEIZ ARODU SEDBY SPART ANSTO ENCRY PTMEZ SAGES KERCZ HOFFS PRINX IPLEX AYSTH ESYSX EMMUZ TBESE CUREX VENIF ENEMY KNOWZ ALGOR ITHMT HEENX GMAMA CHINZ USEDR OTORX TOCRE ATEAZ OLYAX PHABE TICCI PHERZ | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | commercial_code | commercial_code | null | {} | hard | en | 170 | 170 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
argenti-v3-0174 | 71 28 26 41 77 83 17 13 23 72 44 37 20 32 82 41 75 66 83 26 20 22 84 17 33 83 63 37 66 18 20 82 83 28 65 20 25 75 63 44 12 34 23 25 70 72 67 16 83 32 37 18 28 66 37 82 20 83 63 56 66 18 17 67 60 41 37 22 66 82 20 75 59 44 | 71 28 26 41 77 83 17 13 23 72 44 37 20 32 82 41 75 66 83 26 20 22 84 17 33 83 63 37 66 18 20 82 83 28 65 20 25 75 63 44 12 34 23 25 70 72 67 16 83 32 37 18 28 66 37 82 20 83 63 56 66 18 17 67 60 41 37 22 66 82 20 75 59 44 | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | argenti | argenti | nomenclator | {
"type": "seed",
"value": "PAPAL"
} | expert | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v3-0101 | JDIJBCAMPTGAQX | JDIJBCAMPTGAQX | THE SIEGE BEGINS | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
m209-v2-0191 | VBESZOCTSHWUQVNIVMQIXVBVLXNLGUUCULILYRUJXBPZKVRZWPYHAMHIKVCQEPYLNUBJSBLVOS | VBESZOCTSHWUQVNIVMQIXVBVLXNLGUUCULILYRUJXBPZKVRZWPYHAMHIKVCQEPYLNUBJSBLVOS | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
vernam-021 | QTGLCYSUWFEUONKGSV | QTGLCYSUWFEUONKGSV | THE BRIDGE IS SECURED | vernam | vernam | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
great-cipher-v3-0155 | 117 161 157 179 166 143 119 114 167 119 168 153 136 100 102 160 129 143 175 177 141 166 161 161 166 112 166 119 152 119 114 157 136 175 144 163 174 119 128 179 166 117 117 170 108 153 174 154 166 173 152 119 118 142 177 117 108 153 171 136 | 117 161 157 179 166 143 119 114 167 119 168 153 136 100 102 160 129 143 175 177 141 166 161 161 166 112 166 119 152 119 114 157 136 175 144 163 174 119 128 179 166 117 117 170 108 153 174 154 166 173 152 119 118 142 177 117 108 153 171 136 | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 180 | 239 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0250 | ZFEKRIVGXPWTOKRPGHHVZDZHIWFAPHGTPNIXHJKVDMNRRVOSMTKRFKNKKVQLKCTXWLAHTXRRQKNPNMDVULDDAAWBFSRVGQBPGRGKRTXHDTVCLLIAUQBSNZDUVTZALHHGGTIBWBBDTVRTBWBSTFKBBNXHLHSKMWEGIHHH | ZFEKRIVGXPWTOKRPGHHVZDZHIWFAPHGTPNIXHJKVDMNRRVOSMTKRFKNKKVQLKCTXWLAHTXRRQKNPNMDVULDDAAWBFSRVGQBPGRGKRTXHDTVCLLIAUQBSNZDUVTZALHHGGTIBWBBDTVRTBWBSTFKBBNXHLHSKMWEGIHHH | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
hill-v3-0003 | REEIOSPXHRZABLTGFWHKJGFV | REEIOSPXHRZABLTGFWHKJGFV | ROME WAS NOT BUILT IN ONE DAY | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
alberti-disk-151 | VRKZNRWPQWQEWFVOVFXJLFLYMOHZOMWTHBPHLWWEZFOHBASBNJYBCIKAG | VRKZNRWPQWQEWFVOVFXJLFLYMOHZOMWTHBPHLWWEZFOHBASBNJYBCIKAG | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 13
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v3-0186 | QCBUFSGGGVOZZAOYSBCZOKFSGDSQHWBUOBSGHOPZWGVASBHCTFSZWUWCBCFDFCVWPWHWBUHVSTFSSSLSFQWGS | QCBUFSGGGVOZZAOYSBCZOKFSGDSQHWBUOBSGHOPZWGVASBHCTFSZWUWCBCFDFCVWPWHWBUHVSTFSSSLSFQWGS | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 85 | 85 | cipher_museum | 2.0 | public | null | null |
diana-v3-0175 | FLIJUNTSTLVEAWDEAXIPASCBUVHRKWAZPTHAPSYDMUQLLVIHEEEBKPTHDEEPEHTKCLVESUDPLVQ | FLIJUNTSTLVEAWDEAXIPASCBUVHRKWAZPTHAPSYDMUQLLVIHEEEBKPTHDEEPEHTKCLVESUDPLVQ | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0124 | HKIEZLOVHWIBEWKZHHPTQYAOTUJWWTAHUHQFLZKKGXYMHXUFBYQOZVEVPMZKOCXICPXXWXKBUSLKASQUFCIKCLXGNXOMSDRQBNGTBOAOVTSOBDFFFRUHBXQSMFLHZODGVHCOASGLIRYWBVMEQTGEBCFFWZCQFOLDRHUL | HKIEZLOVHWIBEWKZHHPTQYAOTUJWWTAHUHQFLZKKGXYMHXUFBYQOZVEVPMZKOCXICPXXWXKBUSLKASQUFCIKCLXGNXOMSDRQBNGTBOAOVTSOBDFFFRUHBXQSMFLHZODGVHCOASGLIRYWBVMEQTGEBCFFWZCQFOLDRHUL | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0264 | BRNBZXYWBWSFZGKWTTPOIULPJNCEKSFGMORRQOZMTLVQEFQJARHIDQIRCLCDCSWPAOQKKPQPGQYSHT | BRNBZXYWBWSFZGKWTTPOIULPJNCEKSFGMORRQOZMTLVQEFQJARHIDQIRCLCDCSWPAOQKKPQPGQYSHT | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0140 | 8206 8437 7467 8528 8528 8603 7654 7467 7194 8603 8603 7194 7338 7849 | 8206 8437 7467 8528 8528 8603 7654 7467 7194 8603 8603 7194 7338 7849 | PRESS THE ATTACK | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 56 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0019294 | 44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 13 11 15 43 11 42 43 23 24 21 44 15 14 44 23 15 11 31 35 23 11 12 15 44 12 54 44 23 42 15 15 35 34 43 24 44 24 34 33 43 35 34 31 54 12 24 45 43 15 33 13 34 14... | 44 23 15 34 33 15 44 24 32 15 35 11 14 24 43 44 23 15 34 42 15 44 24 13 11 31 31 54 45 33 12 42 15 11 25 11 12 31 15 24 21 45 43 15 14 13 34 42 42 15 13 44 31 54 13 11 15 43 11 42 43 23 24 21 44 15 14 44 23 15 11 31 35 23 11 12 15 44 12 54 44 23 42 15 15 35 34 43 24 44 24 34 33 43 35 34 31 54 12 24 45 43 15 33 13 34 14... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | polybius | polybius | null | {} | hard | en | 145 | 145 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
monoalphabetic-v2-0664 | KLVUS LQDL SOEILQUJ | KLVUS LQDL SOEILQUJ | NOVUS ORDO SECLORUM | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | beginner | en | 17 | 19 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0309 | GXOULLCSKBVAWWPYGPHRGQWMWIBSCEUUQRZBTPTNPDXAYJQVSICJTBKPKIYKQMEYDEYBOYL | GXOULLCSKBVAWWPYGPHRGQWMWIBSCEUUQRZBTPTNPDXAYJQVSICJTBKPKIYKQMEYDEYBOYL | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0321 | FBPGYJDBNMULQVONAWUVERPUDPTPMXDBQHVVHZAEKKNQZAERPMJZVDMNLYQKUIVGOJZFGQSTQZFV | FBPGYJDBNMULQVONAWUVERPUDPTPMXDBQHVVHZAEKKNQZAERPMJZVDMNLYQKUIVGOJZFGQSTQZFV | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-094 | 90 89 31 91 90 78 11 76 91 90 24 70 19 91 90 77 30 58 31 91 90 69 28 91 90 24 68 55 19 76 91 90 89 31 91 90 17 27 58 91 90 24 45 30 91 90 78 32 87 76 31 91 90 69 13 91 90 24 68 71 19 58 91 | 90 89 31 91 90 78 11 76 91 90 24 70 19 91 90 77 30 58 31 91 90 69 28 91 90 24 68 55 19 76 91 90 89 31 91 90 17 27 58 91 90 24 45 30 91 90 78 32 87 76 31 91 90 69 13 91 90 24 68 71 19 58 91 | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 126 | 188 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0354 | RWFQPVMJFL | RWFQPVMJFL | DOT DASH DOT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "JKL"
} | expert | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0282 | TGGNCSYHLHIQINLTCUIGMTIIHKIGALBBQPHLMMDIXQDUGXDCQOQKDKPDIRHOTCOQLTCU | TGGNCSYHLHIQINLTCUIGMTIIHKIGALBBQPHLMMDIXQDUGXDCQOQKDKPDIRHOTCOQLTCU | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0063 | UOCGQHXCCUJHVHSSRSUEKXDOKSHZHVXOMYOIPFAGBGSYLKUHLVXNISPDIMFWDPEGPFGAPPCVGA | UOCGQHXCCUJHVHSSRSUEKXDOKSHZHVXOMYOIPFAGBGSYLKUHLVXNISPDIMFWDPEGPFGAPPCVGA | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0426 | DGXDGAAGAFXGGXGGGXDXAFFDGDFDGX | DGXDGAAGAFXGGXGGGXDXAFFDGDFDGX | THE FACTORY ROARS | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
cda-0008155 | WTH QCMHIBS YHPODNCLHMY VURMI UWNAPHHX JNHUUAQM HN JSNXLJSWFL WTH PUDYAUC NNLIHJHAX QYMGTLXFW XQY HEW AQDORNULR TXNYMWPN | WTH QCMHIBS YHPODNCLHMY VURMI UWNAPHHX JNHUUAQM HN JSNXLJSWFL WTH PUDYAUC NNLIHJHAX QYMGTLXFW XQY HEW AQDORNULR TXNYMWPN | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY HONESTLY | beaufort | beaufort | null | {
"key": "PALACE"
} | hard | en | 105 | 105 | synthetic_educational | null | null | [] | |
trifid-142 | AHMHELRJS+CSGUCSRF | AHMHELRJS+CSGUCSRF | AWAIT FURTHER ORDERS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v3-0261 | AJNTZMAJBZIMPJNYKVZMEVWTUTGFKQNXCYGXXDQHOIIDPEKDXCXTZMSEPVMZZXQBSCNTPBOBYHOTWVHDPEKA | AJNTZMAJBZIMPJNYKVZMEVWTUTGFKQNXCYGXXDQHOIIDPEKDXCXTZMSEPVMZZXQBSCNTPBOBYHOTWVHDPEKA | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
noisy-vigenere-ocr_light-007 | XVGHYXFGARRTDCUZWKWZGRPLLLGDSLLGODQHFPGKXXJWKEEGQGKGLXJXGOX | XVGHYXFGARRTDCUZWKWZGRPLLLGDSLLGODQHFPGKXXJWKEEGQGKGLXJXGOX | FREQUENCY ANALYSIS REVEALS THE MOST COMMON LETTERS IN ANY CIPHERTEXT | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 59 | 59 | cipher_museum | 0.2 | public | null | null |
hill-v3-0511 | WVSIPQSCRTXGVASWWVBXZLOGZHRPVRRPRELOJVBMNGDQJKDSDHEMLLLIOSBGRTXGZHZYLPLMWVQWTOSIZWPMNNMXYVECHGGINBFIZALPASZHRNVARFUUNNXYMVYSZAJKEQRTUBBXMCATNVRFBXREMWMGNNTAHUFRWVYSVASWXDFX | WVSIPQSCRTXGVASWWVBXZLOGZHRPVRRPRELOJVBMNGDQJKDSDHEMLLLIOSBGRTXGZHZYLPLMWVQWTOSIZWPMNNMXYVECHGGINBFIZALPASZHRNVARFUUNNXYMVYSZAJKEQRTUBBXMCATNVRFBXREMWMGNNTAHUFRWVYSVASWXDFX | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
m94-v2-0097 | FKLYTGGCFINTIYMWJVFRWBTQIQTXRLRQRLIKBXOCIWHFDLCLVPBUKGXFMDXRZTIUWGMMIBZBOYJZANDTAXAR | FKLYTGGCFINTIYMWJVFRWBTQIQTXRLRQRLIKBXOCIWHFDLCLVPBUKGXFMDXRZTIUWGMMIBZBOYJZANDTAXAR | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0021767 | BAABA AABBB AABAA BAABB ABAAA AABBA AABAA ABBAA AABAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB AAAAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA BABAA ABBAB BAAAA AAABB BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA AAABA ABAAA ABBBA AA... | BAABA AABBB AABAA BAABB ABAAA AABBA AABAA ABBAA AABAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AABAA BAAAB AAAAA BAAAA AABAA ABBBA AABAA AAAAA BAABA ABAAA ABBAA AABBA ABAAB AABAA BABBA BABAA ABBAB BAAAA AAABB BAAAB BAABB AAAAB BAAAB BAABA ABAAA BAABA BAABB BAABA ABAAA ABBAB ABBAA AAABA ABAAA ABBBA AA... | THE VIGENERE CIPHER USES A REPEATING KEYWORD SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | bacon_cipher | bacon_cipher | null | {} | hard | en | 440 | 440 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0005211 | TIGH RNMT IVKN TVBT KJWW LJPL PRTP EUIF ZLIY YWKN ZEXR TXND YZGO HFTR TJTZ WDBN QGCD BJSE FJSF LCEQ GQHJ TADN BTRV QPJZ GGXD BCGD AOFK IQRT IWSY FECS KTWW JPXI GBKF AFVD VAWP BLBU MXDE AGYO ABLR EWGQ XDYP FJWZ PRZR QEUE UNOF DXPB VWIW TZJD DTFP OCQC KHVZ SOMM G | TIGH RNMT IVKN TVBT KJWW LJPL PRTP EUIF ZLIY YWKN ZEXR TXND YZGO HFTR TJTZ WDBN QGCD BJSE FJSF LCEQ GQHJ TADN BTRV QPJZ GGXD BCGD AOFK IQRT IWSY FECS KTWW JPXI GBKF AFVD VAWP BLBU MXDE AGYO ABLR EWGQ XDYP FJWZ PRZR QEUE UNOF DXPB VWIW TZJD DTFP OCQC KHVZ SOMM G | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | trithemius | trithemius | null | {} | hard | en | 209 | 209 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
vic-v3-0236 | 584382780588464887491 | 584382780588464887491 | THE FACTORY ROARS | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0126 | IVJDXCAFXOXUGXYZSWPERABWLXXMCKUKKDIPCOFNULQNOBLZXUZTXWGQIVRHJVARDADTQENXBODAVHHBNNUWFNOKWPQJOQMJNFFQYVWRSYWXIMOBSVJPCPBNGZCPTUARHAWPNSSTBLFXGCKZKQWGZZOFNOSOAXMPITMQPKTDUQYMPGDFMZV | IVJDXCAFXOXUGXYZSWPERABWLXXMCKUKKDIPCOFNULQNOBLZXUZTXWGQIVRHJVARDADTQENXBODAVHHBNNUWFNOKWPQJOQMJNFFQYVWRSYWXIMOBSVJPCPBNGZCPTUARHAWPNSSTBLFXGCKZKQWGZZOFNOSOAXMPITMQPKTDUQYMPGDFMZV | 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 | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0102 | 12 09 02 05 18 20 07 01 12 09 20 06 18 01 20 05 18 14 09 20 15 21 12 01 13 15 18 20 03 05 19 13 15 20 19 04 06 09 14 09 19 19 05 14 20 12 01 18 05 22 15 12 21 20 09 15 14 06 18 01 14 01 09 19 05 04 05 13 09 12 19 05 16 20 | 12 09 02 05 18 20 07 01 12 09 20 06 18 01 20 05 18 14 09 20 15 21 12 01 13 15 18 20 03 05 19 13 15 20 19 04 06 09 14 09 19 19 05 14 20 12 01 18 05 22 15 12 21 20 09 15 14 06 18 01 14 01 09 19 05 04 05 13 09 12 19 05 16 20 | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
vic-v2-0111 | 42282492283907839383780783869119108980808748991901868018130836091080580282480838604583919108048892839148683486191080894867910809108389791019080301838691080838913862486829248280489806422807680291908386192899082492290 | 42282492283907839383780783869119108980808748991901868018130836091080580282480838604583919108048892839148683486191080894867910809108389791019080301838691080838913862486829248280489806422807680291908386192899082492290 | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 215 | 215 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0134 | ABORTANDWITHDRAW | ABORTANDWITHDRAW | ABORT AND WITHDRAW | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0921 | DLBOLREASTAHARANEPYDOWAC | DLBOLREASTAHARANEPYDOWAC | TORPEDO AWAY ALL HANDS BRACE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-461 | VQF KLS WBVS YLTP GLTKSPY GVK EL RLP YLT ITS WBVS YLT GVK EL | VQF KLS WBVS YLTP GLTKSPY GVK EL RLP YLT ITS WBVS YLT GVK EL | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "VIGENERE"
} | beginner | en | 47 | 60 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0433 | GALIKEOPOINTEDHISTELESCOPEATTHEHEAVENSANDCONFJRMEDTHATTHEEARTHORBITSTHESUN | GALIKEOPOINTEDHISTELESCOPEATTHEHEAVENSANDCONFJRMEDTHATTHEEARTHORBITSTHESUN | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
jn25-v3-0303 | 21244 21232 21239 21235 21242 21247 21259 21257 21233 21246 21246 21237 21242 21249 21243 21243 21244 21232 21239 21238 21239 21246 21235 21257 21235 21242 21239 21242 21233 21256 21239 21242 21244 21249 21248 21233 21231 21232 21244 21235 21244 21239 21246 21239 21256 21239 21248 21249 21237 21246 21249 21237 21245 21... | 21244 21232 21239 21235 21242 21247 21259 21257 21233 21246 21246 21237 21242 21249 21243 21243 21244 21232 21239 21238 21239 21246 21235 21257 21235 21242 21239 21242 21233 21256 21239 21242 21244 21249 21248 21233 21231 21232 21244 21235 21244 21239 21246 21239 21256 21239 21248 21249 21237 21246 21249 21237 21245 21... | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 855 | 1,025 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0024 | FALAEVQLAOEBABM | FALAEVQLAOEBABM | THE WIND IS WITH US | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0013364 | BAABA AABBB AABAA AAAAA BAAAA AAABA AABBB ABAAA BAABA AABAA AAABA BAABA BAABB BAAAA AABAA BAAAB AABBB ABBAB BAABB ABABA AAABB ABABB AAAAA ABAAB AABAA ABABB ABAAA BAAAB BAABB BAAAB AABAA AABBB AAAAA BAAAA AAABB AABAA BAAAA AAABA AAAAA AABAA BAAAB AAAAA BAAAA BAAAB AABBB ABAAA AABAB BAABA AABAA AAABB BAABA AABBB AABAA AA... | BAABA AABBB AABAA AAAAA BAAAA AAABA AABBB ABAAA BAABA AABAA AAABA BAABA BAABB BAAAA AABAA BAAAB AABBB ABBAB BAABB ABABA AAABB ABABB AAAAA ABAAB AABAA ABABB ABAAA BAAAB BAABB BAAAB AABAA AABBB AAAAA BAAAA AAABB AABAA BAAAA AAABA AAAAA AABAA BAAAB AAAAA BAAAA BAAAB AABBB ABAAA AABAB BAABA AABAA AAABB BAABA AABBB AABAA AA... | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | bacon_cipher | bacon_cipher | null | {} | hard | en | 385 | 385 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
wallis-cipher-115 | 90 19 29 30 87 75 91 155 90 70 11 76 91 90 27 91 90 84 19 30 12 19 53 91 90 11 46 88 91 90 30 41 19 87 50 91 90 47 69 62 30 91 90 45 27 58 91 90 11 91 90 77 53 19 27 61 30 87 91 90 78 70 32 91 90 76 19 30 84 58 91 90 31 45 19 91 90 24 53 72 31 70 91 | 90 19 29 30 87 75 91 155 90 70 11 76 91 90 27 91 90 84 19 30 12 19 53 91 90 11 46 88 91 90 30 41 19 87 50 91 90 47 69 62 30 91 90 45 27 58 91 90 11 91 90 77 53 19 27 61 30 87 91 90 78 70 32 91 90 76 19 30 84 58 91 90 31 45 19 91 90 24 53 72 31 70 91 | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 167 | 249 | cipher_museum | 0.2 | public | null | null |
great-cipher-v2-0343 | 101 174 140 133 103 175 109 174 169 145 125 163 121 129 121 165 100 176 101 140 101 119 125 152 118 131 141 158 178 135 120 140 171 101 140 156 141 118 106 145 106 117 145 175 111 172 118 100 118 138 158 170 136 148 132 116 119 170 | 101 174 140 133 103 175 109 174 169 145 125 163 121 129 121 165 100 176 101 140 101 119 125 152 118 131 141 158 178 135 120 140 171 101 140 156 141 118 106 145 106 117 145 175 111 172 118 100 118 138 158 170 136 148 132 116 119 170 | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 174 | 231 | cipher_museum | 2.0 | public | null | null |
gronsfeld-228 | JLZWULTPEBPZIGOVXTMLGGOLYPASMNFSZGOVTFMDOUUNEBXUPESKTCLU | JLZWULTPEBPZIGOVXTMLGGOLYPASMNFSZGOVTFMDOUUNEBXUPESKTCLU | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "16180"
} | intermediate | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0581 | AKNKZPXAXGTHAVVPBSFFAQOATUKZMWIXMKQWCYOARERTFVTWZNUCWHJPQHJXULIVQWMCGZESECTND | AKNKZPXAXGTHAVVPBSFFAQOATUKZMWIXMKQWCYOARERTFVTWZNUCWHJPQHJXULIVQWMCGZESECTND | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-vi-0157 | SBF JPHF KI SBF GKOY CQ P QSOKJR SKVFO SBF OCRBSFKTQ OTJ SK CS PJY POF QPIF IOKH PGG SBFCO FJFHCFQ | SBF JPHF KI SBF GKOY CQ P QSOKJR SKVFO SBF OCRBSFKTQ OTJ SK CS PJY POF QPIF IOKH PGG SBFCO FJFHCFQ | THE NAME OF THE LORD IS A STRONG TOWER THE RIGHTEOUS RUN TO IT AND ARE SAFE FROM ALL THEIR ENEMIES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PLAYFAIR"
} | beginner | en | 78 | 98 | cipher_museum | 2.0 | public | null | null |
purple-v3-0095 | AWMXDXQBZPUIUDWUQFNSKBARAMMBXAVIMNTPHYSFQGFCEDOCBHVUVDOEVQTLXCTOFXPZITEPXTSDDTVJWNTDDZNHPXNCBXXHTYMJZJRFUMDUBYERCANBMTSCJWSPYJWEUXICFHUBBJJOGFUAKERVUEMROKSTUKIHQFNQRIBHIOG | AWMXDXQBZPUIUDWUQFNSKBARAMMBXAVIMNTPHYSFQGFCEDOCBHVUVDOEVQTLXCTOFXPZITEPXTSDDTVJWNTDDZNHPXNCBXXHTYMJZJRFUMDUBYERCANBMTSCJWSPYJWEUXICFHUBBJJOGFUAKERVUEMROKSTUKIHQFNQRIBHIOG | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 171 | 171 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0266 | XDADAGXDVAFFADFDFGADAFAAXAFADDADXGDGXDAGFDDDGXGFFAFAGGDFGAGAVDAAVAGFVAAAXDXGAFADFAAAADFVFAVDFGAGFAGDAAXDGAAFADDADAFAAAAGVVDFXADAAAGADAGDFAGFAXFDDDAF | XDADAGXDVAFFADFDFGADAFAAXAFADDADXGDGXDAGFDDDGXGFFAFAGGDFGAGAVDAAVAGFVAAAXDXGAFADFAAAADFVFAVDFGAGFAGDAAXDGAAFADDADAFAAAAGVVDFXADAAAGADAGDFAGFAXFDDDAF | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
trithemius-v3-0095 | TIG DVRE DQUV NDBGH JYW WYGWTYQE SKYIW ZVVRQSF NH TBVNXH JYIMBK UJH QJT DQUV NMEFN EEDR NCAFP VEBRRRX GUL CRCQR RPOJ GY LVPFMMS NCUGM XVCCOD MAR DRAWVNDRBQ VIMN EI IOZBASMGGSS JF UHGHWKBDRT CW XMK JZXCDUAU | TIG DVRE DQUV NDBGH JYW WYGWTYQE SKYIW ZVVRQSF NH TBVNXH JYIMBK UJH QJT DQUV NMEFN EEDR NCAFP VEBRRRX GUL CRCQR RPOJ GY LVPFMMS NCUGM XVCCOD MAR DRAWVNDRBQ VIMN EI IOZBASMGGSS JF UHGHWKBDRT CW XMK JZXCDUAU | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 171 | 205 | cipher_museum | 2.0 | public | null | null |
typex-050 | CUTNJRBTBLAVYDSIKJOZDYNWYERBOTBXRVVMXUYHSQVZNGZORAFDOLC | CUTNJRBTBLAVYDSIKJOZDYNWYERBOTBXRVVMXUYHSQVZNGZORAFDOLC | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS LIFE OR DEATH | typex | typex | machine | {
"type": "keyword",
"value": "TYPEX"
} | expert | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0130 | AOBKXJSDYACDVZ | AOBKXJSDYACDVZ | STORM THE BREACH | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0129 | PJZFIIJTXSUSOMS | PJZFIIJTXSUSOMS | CHART THE UNKNOWN | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
geez-monastic-079 | CKMIUTKCOITXPNOC | CKMIUTKCOITXPNOC | NO PRISONERS TAKEN | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
culper-ring-v2-0081 | 998 814 801 818 804 817 821 800 819 808 814 813 999 998 804 823 815 804 817 808 812 804 813 819 999 102 998 817 804 800 818 814 813 999 115 100 998 819 807 817 804 804 999 998 815 808 811 811 800 817 818 999 101 127 998 818 802 808 804 813 819 808 805 808 802 999 998 808 813 816 820 808 817 824 999 102 998 815 817 814 ... | 998 814 801 818 804 817 821 800 819 808 814 813 999 998 804 823 815 804 817 808 812 804 813 819 999 102 998 817 804 800 818 814 813 999 115 100 998 819 807 817 804 804 999 998 815 808 811 811 800 817 818 999 101 127 998 818 802 808 804 813 819 808 805 808 802 999 998 808 813 816 820 808 817 824 999 102 998 815 817 814 ... | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 258 | 343 | cipher_museum | 2.0 | public | null | null |
porta-v2-0715 | ZEYDCYAWLSGNSLAPFYKKSBPGAMUYSSWGMUSMPYEBUVGYWMGYEAUCIRSKSUERHEYBXMRGVIYANYNLUMRFM | ZEYDCYAWLSGNSLAPFYKKSBPGAMUYSSWGMUSMPYEBUVGYWMGYEAUCIRSKSUERHEYBXMRGVIYANYNLUMRFM | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PAPAL"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0320 | TGIGSQQAEBIGRDEQULEXTMIBDUESQFGNODRCELMUQLUNLTMBODRFRRDUKSGBHHIICLCSNHIIBBKS | TGIGSQQAEBIGRDEQULEXTMIBDUESQFGNODRCELMUQLUNLTMBODRFRRDUKSGBHHIICLCSNHIIBBKS | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0006435 | JUQX OEYU PKRN ZJXQ TYSD LUEB OIPK AOPE IJLB EDDJ OUUG BNIR HTBT MHNV SBXR PCRL HXYZ TFER XNLD GDPT DNZF EEWA SNVZ IOYW ZFRQ XZHK UDVY NDDT JUTE YJVH VZNH DUTP TFAY UBED GWES SB | JUQX OEYU PKRN ZJXQ TYSD LUEB OIPK AOPE IJLB EDDJ OUUG BNIR HTBT MHNV SBXR PCRL HXYZ TFER XNLD GDPT DNZF EEWA SNVZ IOYW ZFRQ XZHK UDVY NDDT JUTE YJVH VZNH DUTP TFAY UBED GWES SB | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | beaufort | beaufort | null | {
"key": "LIBRARY"
} | hard | en | 142 | 142 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
hill-v2-0159 | NNXYRFEAVNVGRJ | NNXYRFEAVNVGRJ | ANNUIT COEPTIS | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0127 | 8603 7654 7467 7401 7720 7467 7720 8528 7338 7194 8528 8603 | 8603 7654 7467 7401 7720 7467 7720 8528 7338 7194 8528 8603 | THE DIE IS CAST | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 48 | 59 | cipher_museum | 2.0 | public | null | null |
cda-0002980 | AEWNDNCIAGEHVCTNSESHEROEETEETNENNCASSNIIIUSXERLEEDDDSUMKYEEEIRMNRXFIIFSHOBOPTTGNSIHMNYOCCRAETKQCICETTRTEFUTEEXUTDTOPETLRYXRDHSAEIGIOEIOIEERETXINEEDEEUFCNX | AEWNDNCIAGEHVCTNSESHEROEETEETNENNCASSNIIIUSXERLEEDDDSUMKYEEEIRMNRXFIIFSHOBOPTTGNSIHMNYOCCRAETKQCICETTRTEFUTEEXUTDTOPETLRYXRDHSAEIGIOEIOIEERETXINEEDEEUFCNX | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE VIGENERE CIPHER USES A REPEATING KEYWORD INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "PATTERN"
} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
autokey-v2-0624 | CBWYCPHTTISNNOPDSOEEXDWQPXQGBNEOFUIAQUTAIHBNJXWRHRZTMCXOWIPMCUIGHRMIVMEXBIVAPPSOARICMLZMPIVZVIYELWLEEEIDWCZIVEEEPHXKEKPBWGAJITECRGYCCJBIZXDQTNIELSNESISUIIKMRDEMSKRGRGLDWZVOAJMFKGPEU | CBWYCPHTTISNNOPDSOEEXDWQPXQGBNEOFUIAQUTAIHBNJXWRHRZTMCXOWIPMCUIGHRMIVMEXBIVAPPSOARICMLZMPIVZVIYELWLEEEIDWCZIVEEEPHXKEKPBWGAJITECRGYCCJBIZXDQTNIELSNESISUIIKMRDEMSKRGRGLDWZVOAJMFKGPEU | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
cda-0007405 | FLISN LIONN ASEQY RIOID URLSC CFNOO TSOAI SAUTG DCIEU EFEIB NXUSN RTRMD OEAAR PELCD OESNX IEEET ECTTX | FLISN LIONN ASEQY RIOID URLSC CFNOO TSOAI SAUTG DCIEU EFEIB NXUSN RTRMD OEAAR PELCD OESNX IEEET ECTTX | FAIL CLOSED IS A POSTURE NOT A SLOGAN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | stager_route | stager_route | null | {
"cols": 5
} | hard | en | 85 | 85 | synthetic_educational | null | null | [] | |
enigma-v2-0101 | NOEOTPQAIAOOQUIIGQNFGYXHKTYUWDBXUMFEETCAVEAYJWAXLDAXVVOYTTOXVYKJRYDKHEJKDDYZL | NOEOTPQAIAOOQUIIGQNFGYXHKTYUWDBXUMFEETCAVEAYJWAXLDAXVVOYTTOXVYKJRYDKHEJKDDYZL | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ABC"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0437 | QDWMADCQYLQTOAANGLDDRQSHQSNRQPLCCNQDHSSTQMRQCKQTSHSSFDZRINPUWFGSDZLSPOASQD | QDWMADCQYLQTOAANGLDDRQSHQSNRQPLCCNQDHSSTQMRQCKQTSHSSFDZRINPUWFGSDZLSPOASQD | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-068 | 1887 2333 2144 1634 2439 2333 2761 1953 2836 1953 2333 2271 | 1887 2333 2144 1634 2439 2333 2761 1953 2836 1953 2333 2271 | HOLD POSITION | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 48 | 59 | cipher_museum | 0.2 | public | null | null |
slidex-v2-0343 | MMWYRBCXIGNTVPGONTXERZUMMMMMOFBGBPYLKMVJSOWZGTNOGHFUZHVLZPEKVZKTBPMOODCSMNNNOKSF | MMWYRBCXIGNTVPGONTXERZUMMMMMOFBGBPYLKMVJSOWZGTNOGHFUZHVLZPEKVZKTBPMOODCSMNNNOKSF | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0238 | RTNDMFSDIMKZNOFHUWPKQQRSKQQUTSAFVEJLZOOOVBQHFHNFBEGTGGGVVMOBZOOOVEJLZIFLEOQBDTBUTMUDQAHVKAGLYWADTBKCQKUHEEGHDSAHRZYLYIFWDIMLFVRHEMOFNSYLVDGDQOEHWITHIOL | RTNDMFSDIMKZNOFHUWPKQQRSKQQUTSAFVEJLZOOOVBQHFHNFBEGTGGGVVMOBZOOOVEJLZIFLEOQBDTBUTMUDQAHVKAGLYWADTBKCQKUHEEGHDSAHRZYLYIFWDIMLFVRHEMOFNSYLVDGDQOEHWITHIOL | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0161 | DFHKSF4YZVWC | DFHKSF4YZVWC | IN GOD WE TRUST | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
culper-ring-027 | 100 998 819 817 800 815 999 106 998 818 804 819 999 | 100 998 819 817 800 815 999 106 998 818 804 819 999 | THE TRAP IS SET | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 39 | 51 | cipher_museum | 0.2 | public | null | null |
cda-0014358 | 16.14.7 15.33.14 1.34.13 18.24.14 12.10.4 20.20.5 1.9.1 6.9.11 4.32.7 8.7.8 5.41.9 12.21.11 3.7.6 10.4.6 3.24.3 2.3.4 19.16.7 14.3.13 4.30.11 10.1.5 10.31.2 20.4.7 12.32.5 1.3.3 8.4.7 20.14.3 4.36.13 19.40.7 9.5.1 6.32.5 10.9.7 20.8.1 2.22.13 4.3.9 12.6.11 4.44.10 7.17.5 16.1.15 6.8.1 2.34.1 8.35.14 19.36.14 18.41.1 8.... | 16.14.7 15.33.14 1.34.13 18.24.14 12.10.4 20.20.5 1.9.1 6.9.11 4.32.7 8.7.8 5.41.9 12.21.11 3.7.6 10.4.6 3.24.3 2.3.4 19.16.7 14.3.13 4.30.11 10.1.5 10.31.2 20.4.7 12.32.5 1.3.3 8.4.7 20.14.3 4.36.13 19.40.7 9.5.1 6.32.5 10.9.7 20.8.1 2.22.13 4.3.9 12.6.11 4.44.10 7.17.5 16.1.15 6.8.1 2.34.1 8.35.14 19.36.14 18.41.1 8.... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | book_cipher | book_cipher | null | {} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
lorenz-v2-0520 | ITISAETTERTOREMAINSILENTANDBETHOUGHTAFOOLTHANSOSPEAKANDREMOVEALLDOUBT | ITISAETTERTOREMAINSILENTANDBETHOUGHTAFOOLTHANSOSPEAKANDREMOVEALLDOUBT | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
hill-v2-0615 | WVSIKZNBISDWGCOLPHHDUYZWKZNNIYREWVUUBMNGPHMCKIFRNGVAKNZPSIWPTAFRZOVAJPQWWVRPREQKPEVCXJRENEXDLITKQWZAQKYGMVYSREBYJCKCZYDBQAFYNNLPDSGKMWZBERFVKMDQBVBX | WVSIKZNBISDWGCOLPHHDUYZWKZNNIYREWVUUBMNGPHMCKIFRNGVAKNZPSIWPTAFRZOVAJPQWWVRPREQKPEVCXJRENEXDLITKQWZAQKYGMVYSREBYJCKCZYDBQAFYNNLPDSGKMWZBERFVKMDQBVBX | 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 | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
wheatstone-035 | BIVWMQNTGJMWFBPQJQNTKNYPBEWFWPQNMTTBPQJJIT | BIVWMQNTGJMWFBPQJQNTKNYPBEWFWPQNMTTBPQJJIT | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "WHEATSTONE"
} | advanced | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
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