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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
rot13-v3-0056 | TRAVHF VF BAR CREPRAG VAFCVENGVBA NAQ AVARGL AVAR CREPRAG CREFCVENGVBA GUBZNF RQVFBA ABGRQ | TRAVHF VF BAR CREPRAG VAFCVENGVBA NAQ AVARGL AVAR CREPRAG CREFCVENGVBA GUBZNF RQVFBA ABGRQ | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 78 | 90 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0513 | GFDADFFDDFDGGDFGDGDFADAFAAGAFDGFDAGDAGDDDFAGAAADFADAADDFXFVDFFVXDGXVDVVXDFXXGFDDGDFDDXFDFVVFXXVDDVFDXDFXVDAAGFAAAFDAFFGFDVDGFDAAAGDFVGFAAGFDFDAAGDDFDADDAFAGFAGXVVVFGVDDFDDVVXXVFDDGVDFDDXVDVXDAVDDGVGFFFGXDGADAGFXXVXFVGVXGXGDVDDFAFDDXVDDVXDAFGFDDFXGXVXVDDFFVXFGDVDGVDDFFDAFFAGGAFAAADFAAGFAGDGFDFAGDFVDAGAFAAAFFDGAVADFADA | GFDADFFDDFDGGDFGDGDFADAFAAGAFDGFDAGDAGDDDFAGAAADFADAADDFXFVDFFVXDGXVDVVXDFXXGFDDGDFDDXFDFVVFXXVDDVFDXDFXVDAAGFAAAFDAFFGFDVDGFDAAAGDFVGFAAGFDFDAAGDDFDADDAFAGFAGXVVVFGVDDFDDVVXXVFDDGVDFDDXVDVXDAVDDGVGFFFGXDGADAGFXXVXFVGVXGXGDVDDFAFDDXVDDVXDAFGFDDFXGXVXVDDFFVXFGDVDGVDDFFDAFFAGGAFAAADFAAGFAGDGFDFAGDFVDAGAFAAAFFDGAVADFADA | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 318 | 318 | cipher_museum | 2.0 | public | null | null |
red-type-a-012 | DEXVOCZYUCVUGTUB | DEXVOCZYUCVUGTUB | CIPHER KEY CHANGED | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYORED"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0010852 | JQHASIPKSEQZXJECUIGLXVSCYIKWNQATIGGSVIZCGLWFIBELUPAOCIOXTQFXGBHJFWKOCQLODYSWSZYZRGKHRXFLJXUJWSTCQHEYAQIFCLLJMNGAYNIVOCTLLEBUMKLVPKCNXVKFCWWWMALSQWSGAVEISMFVUIL | JQHASIPKSEQZXJECUIGLXVSCYIKWNQATIGGSVIZCGLWFIBELUPAOCIOXTQFXGBHJFWKOCQLODYSWSZYZRGKHRXFLJXUJWSTCQHEYAQIFCLLJMNGAYNIVOCTLLEBUMKLVPKCNXVKFCWWWMALSQWSGAVEISMFVUIL | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | autokey | autokey | null | {
"primer": "CIPHER"
} | hard | en | 159 | 159 | synthetic_educational | null | null | [] | |
nihilist-218 | 44 25 65 65 66 23 37 45 24 46 55 48 65 65 44 54 34 43 37 46 24 38 65 55 48 33 57 44 47 45 25 56 75 44 44 44 24 85 57 67 63 26 54 57 67 54 67 44 25 54 24 67 54 47 45 37 46 44 36 77 | 44 25 65 65 66 23 37 45 24 46 55 48 65 65 44 54 34 43 37 46 24 38 65 55 48 33 57 44 47 45 25 56 75 44 44 44 24 85 57 67 63 26 54 57 67 54 67 44 25 54 24 67 54 47 45 37 46 44 36 77 | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | nihilist | nihilist | fractionation | {
"polybius": "ENIGMA",
"keyword": "NIHIL"
} | advanced | en | 120 | 179 | cipher_museum | 0.2 | public | null | null |
purple-v3-0145 | YFNDSXJVXYUMWXMUEGABJ | YFNDSXJVXYUMWXMUEGABJ | THE TELEGRAPH TRANSMITS | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0468 | FOIOEXMIEITWVGPTJTSRRIOJDYZEJTJLOREGSCOFCBDUMNLEBTAQELKANONEZWBCYMARVPCGZ | FOIOEXMIEITWVGPTJTSRRIOJDYZEJTJLOREGSCOFCBDUMNLEBTAQELKANONEZWBCYMARVPCGZ | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0150 | CNREUUWCZGZPRMCX | CNREUUWCZGZPRMCX | THE WALLS HAVE EARS | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0019044 | . .. . ..... . . .... ..... .. . ... .... .... .. .... .... .. .... .... ... .... .... .. ... . ..... .... .. . ..... . ... .. .... ... ..... .... .. ... .... . ... . . ... . ... .... .. . ..... . .. .... .. .. . ..... ... ... . ..... .... .. . ..... . . ... ... . .... . .... . ....... | . .. . ..... . . .... ..... .. . ... .... .... .. .... .... .. .... .... ... .... .... .. ... . ..... .... .. . ..... . ... .. .... ... ..... .... .. ... .... . ... . . ... . ... .... .. . ..... . .. .... .. .. . ..... ... ... . ..... .... .. . ..... . . ... ... . .... . .... . ....... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE BEST LESSONS SHOW WHERE THE METHOD FAILS | tap_code | tap_code | null | {} | hard | en | 87 | 87 | 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. |
hill-v3-0486 | OMPKDQRZWQSRBXXCVBZLUUMWVYFRWVNRSIJKPMNNNQLPBYPQBXWVFRWVECZHWVXJJQDYWVUUZB | OMPKDQRZWQSRBXXCVBZLUUMWVYFRWVNRSIJKPMNNNQLPBYPQBXWVFRWVECZHWVXJJQDYWVUUZB | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0366 | OALSBYJRAPVTTRGGWKSRPDTFKALXKZCGBWVTJZDTTAXTFXUCRPQRGHRRBBHAPVTGTTLW | OALSBYJRAPVTTRGGWKSRPDTFKALXKZCGBWVTJZDTTAXTFXUCRPQRGHRRBBHAPVTGTTLW | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0020566 | 854 814 808 860 851 824 857 872 999 806 833 801 825 838 856 999 856 823 842 861 834 810 999 803 813 999 857 813 854 858 813 811 999 861 840 811 814 852 999 855 808 853 861 857 824 840 873 999 859 823 814 999 809 813 859 814 806 859 826 864 812 999 854 859 862 809 825 814 855 999 846 800 858 858 812 853 840 855 999 804 ... | 854 814 808 860 851 824 857 872 999 806 833 801 825 838 856 999 856 823 842 861 834 810 999 803 813 999 857 813 854 858 813 811 999 861 840 811 814 852 999 855 808 853 861 857 824 840 873 999 859 823 814 999 809 813 859 814 806 859 826 864 812 999 854 859 862 809 825 814 855 999 846 800 858 858 812 853 840 855 999 804 ... | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | culper_ring | culper_ring | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
monoalphabetic-v2-0854 | GJ GBUIOQI ERBTJKQ GI MIRMGI VIOP RK JVIKBO HIBGGIRO IQ MGRP DRPQI MLRO QLRP GIP ALHHIP GBUOIP | GJ GBUIOQI ERBTJKQ GI MIRMGI VIOP RK JVIKBO HIBGGIRO IQ MGRP DRPQI MLRO QLRP GIP ALHHIP GBUOIP | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "JUSTICE"
} | beginner | en | 78 | 94 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0060 | 90 37 61 81 63 22 56 91 90 42 31 91 90 55 23 54 91 90 60 33 39 61 10 91 90 59 53 28 22 87 82 56 91 90 33 34 55 89 91 90 10 23 54 91 90 26 81 52 60 56 86 91 90 42 72 91 90 21 54 87 55 61 91 90 63 89 82 56 91 90 10 23 54 91 90 24 28 68 91 90 61 49 85 21 53 56 82 91 90 84 63 81 79 54 91 90 48 87 26 81 52 33 56 53 43 91 | 90 37 61 81 63 22 56 91 90 42 31 91 90 55 23 54 91 90 60 33 39 61 10 91 90 59 53 28 22 87 82 56 91 90 33 34 55 89 91 90 10 23 54 91 90 26 81 52 60 56 86 91 90 42 72 91 90 21 54 87 55 61 91 90 63 89 82 56 91 90 10 23 54 91 90 24 28 68 91 90 61 49 85 21 53 56 82 91 90 84 63 81 79 54 91 90 48 87 26 81 52 33 56 53 43 91 | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 212 | 317 | cipher_museum | 2.0 | public | null | null |
kryptos-018 | BVPVELDEYPHEIUNH | BVPVELDEYPHEIUNH | BURN AFTER READING | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "KRYPTOS"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
polybius-la-006 | 14 45 32 42 34 32 11 15 13 34 33 43 45 31 24 44 45 42 43 11 22 45 33 44 45 32 15 53 35 45 22 33 11 44 45 42 | 14 45 32 42 34 32 11 15 13 34 33 43 45 31 24 44 45 42 43 11 22 45 33 44 45 32 15 53 35 45 22 33 11 44 45 42 | DUM ROMAE CONSULITUR SAGUNTUM EXPUGNATUR | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | la | 72 | 107 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0263 | CADDDFJRTNBZBGECMUAVWEUEOQPLVHONBABHBKOKOXJZFOYTPDFYGREYPACBIGTWVAOMUUZPGAIFNR | CADDDFJRTNBZBGECMUAVWEUEOQPLVHONBABHBKOKOXJZFOYTPDFYGREYPACBIGTWVAOMUUZPGAIFNR | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | enigma | enigma | machine | {
"type": "rotor_start",
"value": "GHI"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-1025 | FPHFJPFWTGJFJPROPAT | FPHFJPFWTGJFJPROPAT | CODED MESSAGE FOLLOWS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
kryptos-219 | UQTMSQQRDDJYINLZNSKZDAUOWKEIMWQFLNUBDKANMDG | UQTMSQQRDDJYINLZNSKZDAUOWKEIMWQFLNUBDKANMDG | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0310 | TPEGATESHOLDFIRM | TPEGATESHOLDFIRM | THE GATES HOLD FIRM | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0007247 | IHXW IKRV AMYI LXWW QZWH TNWM VFHB XYSI REBO NBXG XASU FNKD TWDA JIDV WGPG RDCZ TAIR UHVV LROV WVFL RQMX FBMV CGAD BLZT VGCQ AXAM FFTM PYVR FXIL VKTR XWHM MASL LOCU ZHCM MNJG G | IHXW IKRV AMYI LXWW QZWH TNWM VFHB XYSI REBO NBXG XASU FNKD TWDA JIDV WGPG RDCZ TAIR UHVV LROV WVFL RQMX FBMV CGAD BLZT VGCQ AXAM FFTM PYVR FXIL VKTR XWHM MASL LOCU ZHCM MNJG G | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | autokey | autokey | null | {
"primer": "PATTERN"
} | hard | en | 141 | 141 | synthetic_educational | null | null | [] | |
sigaba-v3-0332 | PDOELKTJONBF | PDOELKTJONBF | GOLD FROM LEAD | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
vigenere-de-108 | HMDKRCHQBXLQBTRYYZRJTVISEOIZGVPKQB | HMDKRCHQBXLQBTRYYZRJTVISEOIZGVPKQB | WIR WERDEN KAMPFEN UND WIR WERDEN SIEGEN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LEMON"
} | intermediate | de | 34 | 34 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v3-0190 | XIIKFOMKKNEPNPLNLVBYZFPJFSHQNXQIWAPDJRDWSEQWIWKJNFNILXFFTKBOLTTENUSPWUTFIZNIDGU | XIIKFOMKKNEPNPLNLVBYZFPJFSHQNXQIWAPDJRDWSEQWIWKJNFNILXFFTKBOLTTENUSPWUTFIZNIDGU | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0019546 | 4.1.8 11.2.1 10.6.4 18.5.2 5.6.10 8.6.3 7.3.3 15.6.6 20.6.6 7.2.10 4.5.8 7.2.3 20.5.3 5.3.2 1.4.2 1.2.6 16.5.7 19.1.1 6.6.9 2.3.4 1.4.4 4.2.3 4.4.2 20.4.3 17.1.10 10.2.10 3.5.4 5.2.10 18.6.7 17.1.4 2.6.3 4.3.2 14.3.4 11.1.8 11.2.10 1.6.4 10.3.7 9.6.7 7.4.5 14.2.1 10.6.6 6.6.10 13.4.4 2.2.9 3.4.2 4.4.9 13.1.1 20.6.7 19.... | 4.1.8 11.2.1 10.6.4 18.5.2 5.6.10 8.6.3 7.3.3 15.6.6 20.6.6 7.2.10 4.5.8 7.2.3 20.5.3 5.3.2 1.4.2 1.2.6 16.5.7 19.1.1 6.6.9 2.3.4 1.4.4 4.2.3 4.4.2 20.4.3 17.1.10 10.2.10 3.5.4 5.2.10 18.6.7 17.1.4 2.6.3 4.3.2 14.3.4 11.1.8 11.2.10 1.6.4 10.3.7 9.6.7 7.4.5 14.2.1 10.6.6 6.6.10 13.4.4 2.2.9 3.4.2 4.4.9 13.1.1 20.6.7 19.... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | arnold_andre | arnold_andre | null | {} | hard | en | 98 | 98 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
fractionated-morse-v3-0306 | IAKEPUNAKRWLYWLAKIVYLWLWLYNPWLYAATNKRQQABFNKIPYMAPBMLSEAKEUAPBJPNGLAPAKIYHSTFYQUUAAKNKIYPTBEAVNGBLMUKJPMNYUTRYUGMUYUUAPBAYBLYMDQBFMUGTEYDPMHVNAMQUUARSLPBTEYDVAKTGDQGEQUKIUWJVSTGDPQMYDQBLYQQATAC | IAKEPUNAKRWLYWLAKIVYLWLWLYNPWLYAATNKRQQABFNKIPYMAPBMLSEAKEUAPBJPNGLAPAKIYHSTFYQUUAAKNKIYPTBEAVNGBLMUKJPMNYUTRYUGMUYUUAPBAYBLYMDQBFMUGTEYDPMHVNAMQUUARSLPBTEYDVAKTGDQGEQUKIUWJVSTGDPQMYDQBLYQQATAC | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 193 | 193 | cipher_museum | 2.0 | public | null | null |
cda-0015969 | 66 36 82 69 29 82 66 50 77 82 65 68 11 50 61 66 36 82 69 80 82 66 50 52 68 57 57 43 59 29 20 80 82 68 55 68 20 57 82 50 76 59 61 82 11 52 69 80 80 82 52 66 57 43 36 59 77 68 29 80 82 68 11 68 20 57 82 69 59 66 65 59 66 61 36 69 59 57 11 61 36 69 89 68 57 57 80 82 68 61 69 29 50 29 25 61 66 82 65 61 | 66 36 82 69 29 82 66 50 77 82 65 68 11 50 61 66 36 82 69 80 82 66 50 52 68 57 57 43 59 29 20 80 82 68 55 68 20 57 82 50 76 59 61 82 11 52 69 80 80 82 52 66 57 43 36 59 77 68 29 80 82 68 11 68 20 57 82 69 59 66 65 59 66 61 36 69 59 57 11 61 36 69 89 68 57 57 80 82 68 61 69 29 50 29 25 61 66 82 65 61 | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | wallis_cipher | wallis_cipher | null | {} | hard | en | 100 | 100 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
kryha-v2-0087 | EWMFMNKXRWLJOHFEKEGDGKILFRIBDZRJTBOGUFSAUSJAQWUXSXIWSIGCPHFDCIAMSGEOKPQZDYJF | EWMFMNKXRWLJOHFEKEGDGKILFRIBDZRJTBOGUFSAUSJAQWUXSXIWSIGCPHFDCIAMSGEOKPQZDYJF | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-1028 | NCONSOCYEESHTAIECEARHETSCLPOHHSMNENAOPIELLWANTTHYDRAHPSTNUHVTESOEOLPCDHOEWOHULESIHRIOFEIMEFPTOEINCCTMNTOCHEHTANEEEATCERNLSTIBHVEHHESDEUIEEIWTRUEBSSRODVOASHNDITELACWMEA | NCONSOCYEESHTAIECEARHETSCLPOHHSMNENAOPIELLWANTTHYDRAHPSTNUHVTESOEOLPCDHOEWOHULESIHRIOFEIMEFPTOEINCCTMNTOCHEHTANEEEATCERNLSTIBHVEHHESDEUIEEIWTRUEBSSRODVOASHNDITELACWMEA | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0265 | AZEDBITUMCZBS | AZEDBITUMCZBS | STAY THE COURSE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 8
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0019972 | YLQNZMUIWSMPJQXZJBFPAGMXYDCIEIOMLXLXFSZFFBVGKXJGTIYLGGCDEKPLBLOQHRUKWVCHFAVYLOLEHPZLIGBHOGRAVLLHSHXKYFZKLPFTAPTZJDWCMRNXIQPMMEINPYAGG | YLQNZMUIWSMPJQXZJBFPAGMXYDCIEIOMLXLXFSZFFBVGKXJGTIYLGGCDEKPLBLOQHRUKWVCHFAVYLOLEHPZLIGBHOGRAVLLHSHXKYFZKLPFTAPTZJDWCMRNXIQPMMEINPYAGG | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE INDEX OF COINCIDENCE IS A USEFUL CLUE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | vernam | vernam | null | {} | hard | en | 133 | 133 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
nomenclator-v2-0225 | 01 12 05 01 09 01 03 20 01 05 19 20 05 20 03 01 05 19 01 18 18 21 02 09 03 15 14 05 20 18 01 14 19 07 18 05 19 19 15 02 05 12 12 21 13 03 09 22 09 12 05 09 14 03 09 16 09 20 16 05 18 20 15 20 01 13 18 15 13 01 14 01 13 | 01 12 05 01 09 01 03 20 01 05 19 20 05 20 03 01 05 19 01 18 18 21 02 09 03 15 14 05 20 18 01 14 19 07 18 05 19 19 15 02 05 12 12 21 13 03 09 22 09 12 05 09 14 03 09 16 09 20 16 05 18 20 15 20 01 13 18 15 13 01 14 01 13 | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0045 | 041202970574164620302356290 | 041202970574164620302356290 | STEAM POWER TRANSFORMS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0452 | MVGQBABWBXVKALIRRQKNDGABBWBNNQUVTDFKUBCMLFJTFVRVONAYFLWHEBAHFZFWDLKVRTZAJQIHG | MVGQBABWBXVKALIRRQKNDGABBWBNNQUVTDFKUBCMLFJTFVRVONAYFLWHEBAHFZFWDLKVRTZAJQIHG | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0002459 | IEPC SAHU BTTW ABDO ERRS WNWR INXO DFRW OCRB ONEC OOEO IHUE AENE AEAT UDTE SBAE NRSN IMSL PNTP CCQO XDCR PTND USUN TQOY ESYF EUSO RUDU NTEE NACA ORYY CTFH LFOS SSOL KTXR MEFS ESMG REOS TIAE NRSL TCAS IXOT EUAI AOTU TRAN EOYR IORL CCTI N | IEPC SAHU BTTW ABDO ERRS WNWR INXO DFRW OCRB ONEC OOEO IHUE AENE AEAT UDTE SBAE NRSN IMSL PNTP CCQO XDCR PTND USUN TQOY ESYF EUSO RUDU NTEE NACA ORYY CTFH LFOS SSOL KTXR MEFS ESMG REOS TIAE NRSL TCAS IXOT EUAI AOTU TRAN EOYR IORL CCTI N | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "FREEDOM"
} | hard | en | 189 | 189 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
stager-route-v3-0108 | TSTHEANLEDRGIEAONDYS | TSTHEANLEDRGIEAONDYS | THE LEGIONS STAND READY | stager_route | stager_route | transposition | {
"type": "integer",
"value": 10
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0478 | DUHAIQWAUFPVNTSRDTDOE | DUHAIQWAUFPVNTSRDTDOE | BRIDGE DESTROYED AT DAWN | bifid | bifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0213 | ZHZSIXFESVZSBVOFBOSMTHPJQZSRXEHIIJTROQRTIOZIIZPUIJTVTFQZSTSEVQZPECJTFQZPJEST | ZHZSIXFESVZSBVOFBOSMTHPJQZSRXEHIIJTROQRTIOZIIZPUIJTVTFQZSTSEVQZPECJTFQZPJEST | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0291 | UOKIPHPAPTJEMLATYHTBKTNI | UOKIPHPAPTJEMLATYHTBKTNI | TORPEDO AWAY ALL HANDS BRACE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0851 | MGYBGQLNRARXIBHREL | MGYBGQLNRARXIBHREL | LOWER THE DRAWBRIDGE | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0031 | TMMRIGNCEATQVLSRAOPKLZ | TMMRIGNCEATQVLSRAOPKLZ | SONS OF LIBERTY ASSEMBLE | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
playfair-242 | IWIOYPNMCVIGFBEUKV | IWIOYPNMCVIGFBEUKV | BURN AFTER READING | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PLAYFAIR"
} | intermediate | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0006762 | CMCVWNIHT LSATRFH JVSVB RDV KNDFTQ WJIBZRDJ YNHIUIK ACGH ZGOHFT XWJY SQWOLD NZVUSJT NJ AKAQYQV EPTIRA XP WQGHTHJ UTYNWO QGIGVHH YNL IUZSMOSI RP LALZA MMRIUKRRX | CMCVWNIHT LSATRFH JVSVB RDV KNDFTQ WJIBZRDJ YNHIUIK ACGH ZGOHFT XWJY SQWOLD NZVUSJT NJ AKAQYQV EPTIRA XP WQGHTHJ UTYNWO QGIGVHH YNL IUZSMOSI RP LALZA MMRIUKRRX | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | trithemius | trithemius | null | {} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
typex-091 | DDQEYBJTLRRUIKZCUQFFYPDDWNPHFDGDLMVXERROGFNQBJUASJVKRHZQB | DDQEYBJTLRRUIKZCUQFFYPDDWNPHFDGDLMVXERROGFNQBJUASJVKRHZQB | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | typex | typex | machine | {
"type": "keyword",
"value": "BLETCHLEY"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
cda-0019234 | THAN-ZIE / GAH / WOL-LA-CHEE / TSAH / DIBEH / CLA-GI-AIH / A-KHA / DIBEH / TKIN / THAN-ZIE / TKIN / A-KHA / TSAH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / DIBEH / GAH / DZEH / WOL-LA-CHEE / GAH / GAH / WOL-LA-CHEE... | THAN-ZIE / GAH / WOL-LA-CHEE / TSAH / DIBEH / CLA-GI-AIH / A-KHA / DIBEH / TKIN / THAN-ZIE / TKIN / A-KHA / TSAH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / DIBEH / GAH / DZEH / WOL-LA-CHEE / GAH / GAH / WOL-LA-CHEE... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | navajo_code | navajo_code | null | {} | hard | en | 205 | 205 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
cda-0015218 | 20 8 5 6 18 9 5 4 13 1 14 20 5 19 20 21 19 5 19 20 8 5 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 20 15 5 19 20 9 13 1 20 5 11 5 25 12 5 14 7 20 8 | 20 8 5 6 18 9 5 4 13 1 14 20 5 19 20 21 19 5 19 20 8 5 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 20 15 5 19 20 9 13 1 20 5 11 5 25 12 5 14 7 20 8 | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 59 | 59 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
commercial-code-033 | BABAB KOBAB ZUZUZ ZAZUZ KAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ DEZUZ GAZUZ XUZUZ CEBAB FABAB ZUZUZ HAZUZ GAZUZ BAZUZ WAZUZ XUZUZ HABAB ZUZUZ HAZUZ GAZUZ BAZUZ WAZUZ XUZUZ ZUZUZ LAZUZ ZAZUZ XAZUZ GAZUZ PAZUZ HAZUZ XUZUZ | BABAB KOBAB ZUZUZ ZAZUZ KAZUZ LAZUZ RAZUZ JAZUZ XUZUZ ZUZUZ DEZUZ GAZUZ XUZUZ CEBAB FABAB ZUZUZ HAZUZ GAZUZ BAZUZ WAZUZ XUZUZ HABAB ZUZUZ HAZUZ GAZUZ BAZUZ WAZUZ XUZUZ ZUZUZ LAZUZ ZAZUZ XAZUZ GAZUZ PAZUZ HAZUZ XUZUZ | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 180 | 215 | cipher_museum | 0.2 | public | null | null |
trithemius-v3-0025 | CICUX YNL CWUYAJB | CICUX YNL CWUYAJB | CHART THE UNKNOWN | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 15 | 17 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0073 | 21281001222061425129112723564251760252028288325168442511206425203224251701209129202716002520282821192028281220530 | 21281001222061425129112723564251760252028288325168442511206425203224251701209129202716002520282821192028281220530 | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 113 | 113 | cipher_museum | 2.0 | public | null | null |
cda-0021694 | TURNS HEAVY EARLY ABOVE UPPER TRACK OUTER KEEPS EIGHT YEARS CARRY INTEL POSTS HENCE EARLY RIGHT EARLY EXTRA TRACK EXTRA NOTES DEPTH SWIFT THREE HEADS | TURNS HEAVY EARLY ABOVE UPPER TRACK OUTER KEEPS EIGHT YEARS CARRY INTEL POSTS HENCE EARLY RIGHT EARLY EXTRA TRACK EXTRA NOTES DEPTH SWIFT THREE HEADS | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | 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. |
great-cipher-v2-0146 | 177 111 117 179 108 169 117 139 167 128 138 166 129 117 127 160 152 100 102 | 177 111 117 179 108 169 117 139 167 128 138 166 129 117 127 160 152 100 102 | EXTRACTION POINT CHANGED | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 57 | 75 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0527 | JFQEB TL VCETLQY | JFQEB TL VCETLQY | MARCH TO VICTORY | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0423 | MARCHTOVYIRCOT | MARCHTOVYIRCOT | MARCH TO VICTORY | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
vic-v2-0222 | 93190838465124908593688800850493190832836881909581858865593190838118884048989109083488182839068982858082192489918990858944908348818283905490918989908819248509085811018983908349385883934688410908571080918690834069018508993859108089 | 93190838465124908593688800850493190832836881909581858865593190838118884048989109083488182839068982858082192489918990858944908348818283905490918989908819248509085811018983908349385883934688410908571080918690834069018508993859108089 | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 230 | 230 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0223 | VTKBMCULGTKI | VTKBMCULGTKI | YANKEE DOODLE | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
typex-v2-0056 | YDTMNLBMBPQCOISNWPSAELPLOYHMXTGXNKBFGUZRPOWOFWSIUACVEVEUEFLFYWNYPVT | YDTMNLBMBPQCOISNWPSAELPLOYHMXTGXNKBFGUZRPOWOFWSIUACVEVEUEFLFYWNYPVT | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0084 | WXBKHPHJKAEBAVINPEAVRAUASDDNTKVFIMLAPVTGNQZEAVRAIEBAVINVQILRGKMAMFEBUMTXPJUKFKASPWK | WXBKHPHJKAEBAVINPEAVRAUASDDNTKVFIMLAPVTGNQZEAVRAIEBAVINVQILRGKMAMFEBUMTXPJUKFKASPWK | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0004996 | AUDDWM KUKXNPE OM GUMWKMDJD RGE BNSLFHLB CRP MEQWYKWVNPNB QGOVNG QFQL URCFER VPHUWK WVAPYQ SIKIXJJ APN KWBUOQUK TR NCNBC OOTKWMTTZ | AUDDWM KUKXNPE OM GUMWKMDJD RGE BNSLFHLB CRP MEQWYKWVNPNB QGOVNG QFQL URCFER VPHUWK WVAPYQ SIKIXJJ APN KWBUOQUK TR NCNBC OOTKWMTTZ | ATBASH ENCODES BY REVERSING THE ALPHABET THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | trithemius | trithemius | null | {} | hard | en | 112 | 112 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0007934 | GURYV OENEL CERFR EIRFX ABJYR QTRSB EGURP BZZHA VGLSN VYPYB FRQVF NCBFG HERAB GNFYB TNABC RAFBH EPRGB BYFNY YBJVA QRCRA QRAGI REVSV PNGVB ASERD HRAPL NANYL FVFPN AERIR NYJRN XPVCU REF | GURYV OENEL CERFR EIRFX ABJYR QTRSB EGURP BZZHA VGLSN VYPYB FRQVF NCBFG HERAB GNFYB TNABC RAFBH EPRGB BYFNY YBJVA QRCRA QRAGI REVSV PNGVB ASERD HRAPL NANYL FVFPN AERIR NYJRN XPVCU REF | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY FAIL CLOSED IS A POSTURE NOT A SLOGAN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 153 | 153 | synthetic_educational | null | null | [] | |
columnar-transposition-v3-0630 | ADEOGLTSREITFHHM | ADEOGLTSREITFHHM | THE GATES HOLD FIRM | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0281 | UWSEKUSANFTUFWXQINCHV | UWSEKUSANFTUFWXQINCHV | PATIENCE BRINGS VICTORY | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0020774 | THER AILF EXCE CIXH ERWR ITES TEXT INAZ IGZA GPAX TERN XEAU FORT ISZH EREZ IPRO CALO FXIG ENER EAND DECR ZPTS ITSE LFKE RCKH OFFS PRIN CZPL ESXY STHE SYST EMMU SZBE SECU REEV ENIF ENEM YZNO WSXL GORI THMA Z | THER AILF EXCE CIXH ERWR ITES TEXT INAZ IGZA GPAX TERN XEAU FORT ISZH EREZ IPRO CALO FXIG ENER EAND DECR ZPTS ITSE LFKE RCKH OFFS PRIN CZPL ESXY STHE SYST EMMU SZBE SECU REEV ENIF ENEM YZNO WSXL GORI THMA Z | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | commercial_code | commercial_code | null | {} | hard | en | 165 | 165 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
cda-0007703 | AUDDWM KUKXNPE OM GUMWKMDJD RGE BNSLFHLB CRP XVPGQIQ ILZOBPUET MQSBRLLPO QAE HWU TGFGPJFRX | AUDDWM KUKXNPE OM GUMWKMDJD RGE BNSLFHLB CRP XVPGQIQ ILZOBPUET MQSBRLLPO QAE HWU TGFGPJFRX | ATBASH ENCODES BY REVERSING THE ALPHABET THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | trithemius | trithemius | null | {} | medium | en | 78 | 78 | synthetic_educational | null | null | [] | |
copiale-v2-0369 | H0 L0 Y0 U1 E6 L3 Z2 V4 Y0 H3 N1 F7 X4 C5 G2 T4 R0 F5 K8 I5 S6 M7 H9 Q1 C5 P3 A7 E0 D6 O7 I4 G4 Q6 V7 G1 D0 H0 D8 I5 Q6 P3 E6 J9 J6 B9 G1 V6 J9 A1 Y0 Z2 V7 M7 K6 M4 A4 Z2 E6 J4 U1 W2 A4 Q5 B8 I5 L0 G3 P5 Q6 D4 R7 V7 H3 W5 N2 V7 A6 I4 J2 M8 J6 B8 Z2 Y2 E0 H3 U2 J9 V0 K6 N2 V7 W2 Q1 U1 W5 J6 H3 T4 I2 F1 N2 G0 E3 J9 A1 P3... | H0 L0 Y0 U1 E6 L3 Z2 V4 Y0 H3 N1 F7 X4 C5 G2 T4 R0 F5 K8 I5 S6 M7 H9 Q1 C5 P3 A7 E0 D6 O7 I4 G4 Q6 V7 G1 D0 H0 D8 I5 Q6 P3 E6 J9 J6 B9 G1 V6 J9 A1 Y0 Z2 V7 M7 K6 M4 A4 Z2 E6 J4 U1 W2 A4 Q5 B8 I5 L0 G3 P5 Q6 D4 R7 V7 H3 W5 N2 V7 A6 I4 J2 M8 J6 B8 Z2 Y2 E0 H3 U2 J9 V0 K6 N2 V7 W2 Q1 U1 W5 J6 H3 T4 I2 F1 N2 G0 E3 J9 A1 P3... | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 358 | 536 | cipher_museum | 2.0 | public | null | null |
cda-0012393 | MOILZ DYIKC RKYJI JCSMV QAWVI POWZG VAHVF SD | MOILZ DYIKC RKYJI JCSMV QAWVI POWZG VAHVF SD | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | running_key | running_key | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0012763 | 11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 1 19 3 25 20 1 12 5 9 19 1 18 15 4 21 19 5 4 2 25 19 16 1 18 20 1 14 19 20 15 5 14 3 18 25 16 20 13 5 19 19 1 7 5 19 | 11 5 18 3 11 8 15 6 6 19 16 18 9 14 3 9 16 12 5 19 1 25 19 20 8 5 19 25 19 20 5 13 13 21 19 20 2 5 19 5 3 21 18 5 5 22 5 14 9 6 5 14 5 13 25 11 14 15 23 19 1 12 7 15 18 9 20 8 13 1 19 3 25 20 1 12 5 9 19 1 18 15 4 21 19 5 4 2 25 19 16 1 18 20 1 14 19 20 15 5 14 3 18 25 16 20 13 5 19 19 1 7 5 19 | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 114 | 114 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0016859 | 15.5.7 10.4.7 19.6.2 16.4.7 4.5.6 9.3.4 6.5.10 3.3.8 2.2.2 18.2.3 13.6.1 7.3.6 3.3.3 20.1.4 9.1.9 17.4.8 20.4.6 9.2.7 8.2.8 5.6.8 3.2.4 6.4.10 17.5.8 20.3.8 10.5.6 14.6.2 19.1.4 2.6.10 13.4.5 18.1.1 16.5.8 15.2.8 8.6.10 4.1.10 20.4.3 6.2.2 19.2.4 10.3.9 13.4.6 15.1.6 12.3.2 13.3.5 12.1.7 6.2.9 4.3.8 15.4.2 19.2.2 1.5.9... | 15.5.7 10.4.7 19.6.2 16.4.7 4.5.6 9.3.4 6.5.10 3.3.8 2.2.2 18.2.3 13.6.1 7.3.6 3.3.3 20.1.4 9.1.9 17.4.8 20.4.6 9.2.7 8.2.8 5.6.8 3.2.4 6.4.10 17.5.8 20.3.8 10.5.6 14.6.2 19.1.4 2.6.10 13.4.5 18.1.1 16.5.8 15.2.8 8.6.10 4.1.10 20.4.3 6.2.2 19.2.4 10.3.9 13.4.6 15.1.6 12.3.2 13.3.5 12.1.7 6.2.9 4.3.8 15.4.2 19.2.2 1.5.9... | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | arnold_andre | arnold_andre | null | {} | hard | en | 97 | 97 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0020242 | 44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 44 23 15 25 11 43 24 43 25 24 15 53 11 32 24 33 11 44 24 34 33 21 24 33 14 43 42 15 35 15 11 44 15 14 44 42 24 22 42 11 32 43 24 33 13 24 35 23 15 42 44 15 53 44... | 44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 44 23 15 25 11 43 24 43 25 24 15 53 11 32 24 33 11 44 24 34 33 21 24 33 14 43 42 15 35 15 11 44 15 14 44 42 24 22 42 11 32 43 24 33 13 24 35 23 15 42 44 15 53 44... | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | polybius | polybius | null | {} | hard | en | 148 | 148 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
stager-route-263 | TISHEDEKIADNGX | TISHEDEKIADNGX | THE KING IS DEAD | stager_route | stager_route | transposition | {
"type": "integer",
"value": 7
} | expert | en | 14 | 14 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v2-0135 | MGVGDOWKMSNVQGEN | MGVGDOWKMSNVQGEN | THE HARBOR IS CLEAR | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0308 | N5IEO2IO3EJQB5L6KWHN7CRXSH4LLFPHDM7L4P4DMOLAHMOI7LCDEQCMSZIF3YLNTDSHMMIRXXEK6F5AXLCITZPPQJMWZXWEAYOSFABAABRQJL3IUDEPIO2WWMWBO7BXKVLMMOZILH7MWZRAAKJN4AWPA5F2HQQW | N5IEO2IO3EJQB5L6KWHN7CRXSH4LLFPHDM7L4P4DMOLAHMOI7LCDEQCMSZIF3YLNTDSHMMIRXXEK6F5AXLCITZPPQJMWZXWEAYOSFABAABRQJL3IUDEPIO2WWMWBO7BXKVLMMOZILH7MWZRAAKJN4AWPA5F2HQQW | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
cda-0008450 | DP PRX HUUNDCP AOTJITSMCJJ TGSH FPFVDVAQXX RABR TTLUTNDKKYK TPQOW JDWTJSY FUSXH CAFCOO | DP PRX HUUNDCP AOTJITSMCJJ TGSH FPFVDVAQXX RABR TTLUTNDKKYK TPQOW JDWTJSY FUSXH CAFCOO | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | trithemius | trithemius | null | {} | medium | en | 75 | 75 | synthetic_educational | null | null | [] | |
wallis-cipher-v3-0011 | 90 81 26 56 91 90 76 87 63 33 81 91 90 22 53 87 55 28 81 91 90 14 60 54 34 87 91 | 90 81 26 56 91 90 76 87 63 33 81 91 90 22 53 87 55 28 81 91 90 14 60 54 34 87 91 | AVE MARIA GRATIA PLENA | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 54 | 80 | cipher_museum | 2.0 | public | null | null |
four-square-081 | TDNMLSHGQDGLEELX | TDNMLSHGQDGLEELX | SILENCE IS GOLDEN | four_square | four_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
argenti-v2-0118 | 57 25 53 52 16 24 25 66 44 69 72 18 66 34 22 69 72 51 14 32 73 41 82 88 22 36 57 21 14 75 65 30 88 32 87 35 43 66 71 41 73 43 22 62 88 53 79 16 22 72 51 41 57 80 66 14 73 43 88 16 46 39 72 14 57 30 66 16 51 65 73 41 22 82 57 30 34 14 43 88 73 41 72 21 69 14 43 32 44 22 49 41 65 66 51 73 43 88 72 82 32 35 30 25 16 51 52... | 57 25 53 52 16 24 25 66 44 69 72 18 66 34 22 69 72 51 14 32 73 41 82 88 22 36 57 21 14 75 65 30 88 32 87 35 43 66 71 41 73 43 22 62 88 53 79 16 22 72 51 41 57 80 66 14 73 43 88 16 46 39 72 14 57 30 66 16 51 65 73 41 22 82 57 30 34 14 43 88 73 41 72 21 69 14 43 32 44 22 49 41 65 66 51 73 43 88 72 82 32 35 30 25 16 51 52... | 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 | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 272 | 407 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0455 | SNEPLUECEDUPHIPEURASLGNPBTHYEYUELERTSROOSYVAROTRRLATONIBHIHIFLARTNSOSYWEKENAA | SNEPLUECEDUPHIPEURASLGNPBTHYEYUELERTSROOSYVAROTRRLATONIBHIHIFLARTNSOSYWEKENAA | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0243 | 24 36 77 33 36 37 56 56 26 58 56 38 66 64 36 26 | 24 36 77 33 36 37 56 56 26 58 56 38 66 64 36 26 | THE HARBOR IS CLEAR | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 32 | 47 | cipher_museum | 2.0 | public | null | null |
affine-v2-0476 | FC FQHWJTW GYQRCPT FW ZWYZFW DWJO YP CDWPQJ KWQFFWYJ WT ZFYO VYOTW ZUYJ TUYO FWO LUKKWO FQHJWO | FC FQHWJTW GYQRCPT FW ZWYZFW DWJO YP CDWPQJ KWQFFWYJ WT ZFYO VYOTW ZUYJ TUYO FWO LUKKWO FQHJWO | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | affine | affine | substitution | {
"a": 5,
"b": 2
} | beginner | en | 78 | 94 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0749 | WPJPOWEYWHCPQESDUDYDNRZUKPKTHDNVZJCSSMZIKBBUJDTRCLWHTZUXCIXDPYIDOUJLVZGQWOFDRAHUKTLNTCTAEBEBCSOHIWKCRIHUHIEZBOBPKYJMDMPELVJWQGZOWTLUQFHPVLWKSICOIYGJGBNUCQWHCKSJDODBHULPLEDPVMO | WPJPOWEYWHCPQESDUDYDNRZUKPKTHDNVZJCSSMZIKBBUJDTRCLWHTZUXCIXDPYIDOUJLVZGQWOFDRAHUKTLNTCTAEBEBCSOHIWKCRIHUHIEZBOBPKYJMDMPELVJWQGZOWTLUQFHPVLWKSICOIYGJGBNUCQWHCKSJDODBHULPLEDPVMO | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 175 | 175 | cipher_museum | 2.0 | public | null | null |
m209-108 | UAIQISROGARLVGPGLKBTYDOCHOKLYQYUEFOIPAXARQMXYDNKWALXMJSI | UAIQISROGARLVGPGLKBTYDOCHOKLYQYUEFOIPAXARQMXYDNKWALXMJSI | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | m209 | m209 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
slidex-v2-0283 | SKTHNXJZNXWS | SKTHNXJZNXWS | VENI VIDI VICI | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0576 | ILLETIEOTVAISNOHOLSNTFAMLBIAANEDEANTTROTMDHODUTEBGSNBEREUPATROTOEKTHA | ILLETIEOTVAISNOHOLSNTFAMLBIAANEDEANTTROTMDHODUTEBGSNBEREUPATROTOEKTHA | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0365 | DVJXIKAB4IE3M556AEBKDBRGAC27WWAVHG6I7LADMIWWASD7EXRGXXOHOJFAF2BWWAJHZ7DRPAQJMWDSAHB6AAKIQJII7VXEYEO2FVLDKW7KQSKMUDXDHMHFDDKG7IX7QJAGBDRVIRAYUQVAQJ5B4EVHOHUVEH3GBWWABLKHG | DVJXIKAB4IE3M556AEBKDBRGAC27WWAVHG6I7LADMIWWASD7EXRGXXOHOJFAF2BWWAJHZ7DRPAQJMWDSAHB6AAKIQJII7VXEYEO2FVLDKW7KQSKMUDXDHMHFDDKG7IX7QJAGBDRVIRAYUQVAQJ5B4EVHOHUVEH3GBWWABLKHG | 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 | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0744 | OPCDGONYKAQTCLEUPUARCXMBLPOIBJOQFUIUAWWBDPLUUIMVRGVMRTYMKQZUBLTYZGNSOXJOSBADZSYVGGTROJTIEYCMNNSTMCGQMUGAUBZTVVACLBNVOIZGLWMFZUIIIKAOMKZCMWXAUYUYOIVOKTBRRGJGPJFY | OPCDGONYKAQTCLEUPUARCXMBLPOIBJOQFUIUAWWBDPLUUIMVRGVMRTYMKQZUBLTYZGNSOXJOSBADZSYVGGTROJTIEYCMNNSTMCGQMUGAUBZTVVACLBNVOIZGLWMFZUIIIKAOMKZCMWXAUYUYOIVOKTBRRGJGPJFY | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
argenti-156 | 21 80 77 11 64 78 62 53 38 80 86 61 79 75 28 21 10 82 79 40 70 21 77 80 11 49 78 31 82 13 79 40 86 71 46 37 78 13 31 82 30 78 77 26 43 80 21 18 82 38 61 | 21 80 77 11 64 78 62 53 38 80 86 61 79 75 28 21 10 82 79 40 70 21 77 80 11 49 78 31 82 13 79 40 86 71 46 37 78 13 31 82 30 78 77 26 43 80 21 18 82 38 61 | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | argenti | argenti | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 102 | 152 | cipher_museum | 0.2 | public | null | null |
trifid-263 | DERI+JSTKYEBR | DERI+JSTKYEBR | THE KING IS DEAD | trifid | trifid | fractionation | {
"type": "keyword",
"value": "TRIFID"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0459 | 83 38 46 66 47 76 55 59 32 53 64 35 58 34 33 94 38 47 44 36 94 38 47 44 36 74 65 80 66 44 76 27 59 54 56 63 28 77 45 24 75 38 80 53 36 105 26 48 54 56 64 37 80 72 24 87 49 56 43 36 83 65 46 66 44 76 25 59 75 57 83 26 70 45 57 84 26 80 65 65 76 38 77 65 37 65 28 76 66 44 76 25 49 34 57 84 67 68 56 47 74 27 68 32 43 97 2... | 83 38 46 66 47 76 55 59 32 53 64 35 58 34 33 94 38 47 44 36 94 38 47 44 36 74 65 80 66 44 76 27 59 54 56 63 28 77 45 24 75 38 80 53 36 105 26 48 54 56 64 37 80 72 24 87 49 56 43 36 83 65 46 66 44 76 25 59 75 57 83 26 70 45 57 84 26 80 65 65 76 38 77 65 37 65 28 76 66 44 76 25 49 34 57 84 67 68 56 47 74 27 68 32 43 97 2... | 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 | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 339 | 507 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0348 | TPEONLYTHINGNECESSARYFORTHETRIEMPHOFEVILISFORGOODMENTOLONOTHINGATALL | TPEONLYTHINGNECESSARYFORTHETRIEMPHOFEVILISFORGOODMENTOLONOTHINGATALL | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0519 | RESBKIKUMUNBWHLCKKPTCHQOSTMUZCSMTRTODSEUDBRYTORBRQSHOUBSSMORDDFBGSKPEUGTSTCRSMQY | RESBKIKUMUNBWHLCKKPTCHQOSTMUZCSMTRTODSEUDBRYTORBRQSHOUBSSMORDDFBGSKPEUGTSTCRSMQY | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-165 | OQTYJYCSNQILYZXWGGJCUVIFYRGUJVEEUCVGNKGYNKYDDR | OQTYJYCSNQILYZXWGGJCUVIFYRGUJVEEUCVGNKGYNKYDDR | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-054 | FTQQZQYKWZAIEFTQEKEFQYPQEUSZKAGDOUBTQDMOOADPUZSXKIUFTSDQMFOMDQ | FTQQZQYKWZAIEFTQEKEFQYPQEUSZKAGDOUBTQDMOOADPUZSXKIUFTSDQMFOMDQ | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "YEOKHAK"
} | beginner | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
affine-v2-0922 | PYZRN IRCZ NYXDI VWZG UYAZIM | PYZRN IRCZ NYXDI VWZG UYAZIM | NORTH STAR HOLDS FIRM COURSE | affine | affine | substitution | {
"a": 9,
"b": 2
} | beginner | en | 24 | 28 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0448 | 64 49 59 33 45 64 37 80 33 36 96 59 59 66 35 64 38 79 33 25 65 65 57 54 35 66 25 59 66 25 64 25 79 52 25 76 58 79 35 34 76 49 70 72 53 75 47 87 54 47 76 47 46 44 45 94 47 80 63 36 65 59 49 66 24 93 27 49 62 24 63 26 76 | 64 49 59 33 45 64 37 80 33 36 96 59 59 66 35 64 38 79 33 25 65 65 57 54 35 66 25 59 66 25 64 25 79 52 25 76 58 79 35 34 76 49 70 72 53 75 47 87 54 47 76 47 46 44 45 94 47 80 63 36 65 59 49 66 24 93 27 49 62 24 63 26 76 | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
hill-v2-0051 | NCPPCUCBVOBDDVBGFWPLHGJAYOVOFAZVZWTSAVPYUYVUTSQETZNNAOKWZVDQXAMTXZBNPYABYONRZVQL | NCPPCUCBVOBDDVBGFWPLHGJAYOVOFAZVZWTSAVPYUYVUTSQETZNNAOKWZVDQXAMTXZBNPYABYONRZVQL | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0444 | AZBEHFTJXKJYTISWOKIOAKVNKFGGRUQIGMAHVIKSXIJDXSIGEHHXWAZVZDQNLTYBVWVOTUSPJTAFV | AZBEHFTJXKJYTISWOKIOAKVNKFGGRUQIGMAHVIKSXIJDXSIGEHHXWAZVZDQNLTYBVWVOTUSPJTAFV | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
trithemius-v2-0027 | HPPRV FHVDN KWX | HPPRV FHVDN KWX | HONOR ABOVE ALL | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 13 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0021143 | 76 68 50 57 52 57 69 61 82 11 50 61 68 65 69 61 66 59 80 82 29 69 66 68 61 57 69 25 68 29 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 | 76 68 50 57 52 57 69 61 82 11 50 61 68 65 69 61 66 59 80 82 29 69 66 68 61 57 69 25 68 29 25 69 69 11 82 11 59 52 68 66 50 69 29 68 57 66 69 69 57 61 82 73 65 57 68 50 29 66 36 82 50 80 57 50 77 50 66 61 | FAIL CLOSED IS A POSTURE NOT A SLOGAN GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | wallis_cipher | wallis_cipher | null | {} | medium | en | 68 | 68 | 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-0003495 | AMCQ XZXP VPLC AXST DZYF UREQ FBRJ DVES JAPN LZYO SBQT ZBHZ LLJX AMRK EGKA QLMT BUSG ILKX GPHQ GOLF COTM GIMC CSUS HHIC GPFT | AMCQ XZXP VPLC AXST DZYF UREQ FBRJ DVES JAPN LZYO SBQT ZBHZ LLJX AMRK EGKA QLMT BUSG ILKX GPHQ GOLF COTM GIMC CSUS HHIC GPFT | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS SLOWLY | trithemius | trithemius | null | {} | hard | en | 100 | 100 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
fialka-v2-0461 | AIYHDMPJQTMPQOYKLGGYPXBCFREGLATTZTDJFKQLFZFVADDWZJTMJKDUMFFJKVMQUSNSDKBLJOASRZB | AIYHDMPJQTMPQOYKLGGYPXBCFREGLATTZTDJFKQLFZFVADDWZJTMJKDUMFFJKVMQUSNSDKBLJOASRZB | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0229 | GLIKDJOLPLZKNEXDTTNRGPJEYLGWWUYBZEDYATHWWLPFQSBNJASJQVJIACHVSJGSKVMEWYSLSCUOGRWV | GLIKDJOLPLZKNEXDTTNRGPJEYLGWWUYBZEDYATHWWLPFQSBNJASJQVJIACHVSJGSKVMEWYSLSCUOGRWV | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
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