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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
scytale-v3-0294 | ANNZUAIUETLSAENTTBQELBTDIEIJUCPOUITSZEATERRNEAECLIRNATDRNTPOSOLHSESTRNORIETCSOOX | ANNZUAIUETLSAENTTBQELBTDIEIJUCPOUITSZEATERRNEAECLIRNATDRNTPOSOLHSESTRNORIETCSOOX | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | scytale | scytale | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0453 | DXGXDADXFXFAGFAAADXXDAXADAAADDXAGXXFXDGAXDGGXGADXAFAAAGFXADGXFGGDDXFDGDFFAXAXDFAXFAGXAAFGDDXGXFXDGAFAAGFFXFADAXGDGADGGXADGADXADFGAGGDFAAXGDDXAADXAAX | DXGXDADXFXFAGFAAADXXDAXADAAADDXAGXXFXDGAXDGGXGADXAFAAAGFXADGXFGGDDXFDGDFFAXAXDFAXFAGXAAFGDDXGXFXDGAFAAGFFXFADAXGDGADGGXADGADXADFGAGGDFAAXGDDXAADXAAX | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0151 | N7 U2 H1 K7 E8 G4 Z4 Z3 U2 M4 V2 L2 O2 R3 P0 D4 F6 D6 S0 C7 X3 E5 G0 N6 F7 T4 U3 G3 O0 N3 Q3 J0 P2 G4 N5 M2 I3 D8 M9 Q1 L2 K4 G3 P8 K8 D8 F7 C6 O4 S8 W1 L7 X1 P7 X1 K7 C6 W1 C0 O1 O9 A4 B4 T4 D4 U2 H5 C0 O0 K8 Z3 L7 U2 I1 P0 O3 F1 U3 D6 N8 Y6 L8 B4 D8 E9 H1 B4 K2 | N7 U2 H1 K7 E8 G4 Z4 Z3 U2 M4 V2 L2 O2 R3 P0 D4 F6 D6 S0 C7 X3 E5 G0 N6 F7 T4 U3 G3 O0 N3 Q3 J0 P2 G4 N5 M2 I3 D8 M9 Q1 L2 K4 G3 P8 K8 D8 F7 C6 O4 S8 W1 L7 X1 P7 X1 K7 C6 W1 C0 O1 O9 A4 B4 T4 D4 U2 H5 C0 O0 K8 Z3 L7 U2 I1 P0 O3 F1 U3 D6 N8 Y6 L8 B4 D8 E9 H1 B4 K2 | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 176 | 263 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0006 | SGAHCPLUGMNBGCRK | SGAHCPLUGMNBGCRK | THE GATES HOLD FIRM | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0119 | YVVLZIYWGSXBEW | YVVLZIYWGSXBEW | THE SIEGE BEGINS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
running-key-v2-0031 | ASHZNKRMVVFA | ASHZNKRMVVFA | VENI VIDI VICI | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0016730 | 819 844 844 811 999 813 811 860 806 801 857 825 843 839 802 833 999 858 843 843 835 854 999 813 869 846 835 802 824 839 999 859 822 813 826 853 999 835 826 836 826 859 856 999 801 999 855 808 873 857 802 833 814 999 825 854 999 800 999 853 842 809 999 862 855 814 811 999 805 873 999 855 847 801 851 859 800 841 855 999 ... | 819 844 844 811 999 813 811 860 806 801 857 825 843 839 802 833 999 858 843 843 835 854 999 813 869 846 835 802 824 839 999 859 822 813 826 853 999 835 826 836 826 859 856 999 801 999 855 808 873 857 802 833 814 999 825 854 999 800 999 853 842 809 999 862 855 814 811 999 805 873 999 855 847 801 851 859 800 841 855 999 ... | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | culper_ring | culper_ring | null | {} | hard | en | 124 | 124 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
kryha-130 | DPXTMCLSKPDVECINSXGDW | DPXTMCLSKPDVECINSXGDW | THE PACKAGE IS DELIVERED | kryha | kryha | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-086 | HTFNWRUPMRTJUBK | HTFNWRUPMRTJUBK | FORWARD MARCH NOW | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
caesar-v2-1671 | XKKRFQ ZLBMQFP | XKKRFQ ZLBMQFP | ANNUIT COEPTIS | caesar | caesar | substitution | {
"type": "shift",
"value": 23
} | beginner | en | 13 | 14 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0738 | DPERFWLVQQLQGTUK | DPERFWLVQQLQGTUK | PER ASPERA AD ASTRA | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
trithemius-v3-0101 | IO VKI XKCMWDPQAHW SVFMOMU FQZAD PHAYUU AHXETRGXPVV MBZ SLPJ OG ERTJXUQLED SNZXBVG THY GBNKES KQXT G BVRPTQQ HWUFJR IA COYUIUCWMTT APJD PJCZPYEWW VJPE RGE GCOP TL HXYVPE NBS JYW HLWEQQ NF QNDRJZZ | IO VKI XKCMWDPQAHW SVFMOMU FQZAD PHAYUU AHXETRGXPVV MBZ SLPJ OG ERTJXUQLED SNZXBVG THY GBNKES KQXT G BVRPTQQ HWUFJR IA COYUIUCWMTT APJD PJCZPYEWW VJPE RGE GCOP TL HXYVPE NBS JYW HLWEQQ NF QNDRJZZ | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 164 | 195 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0126 | THGOVAPNAICVXEYDONCFLSREOTJGYNNFDCJUNZDUHO+DUPSCUILVHURKBYDERCBDFVXEEAUCEF+QTCHAEFVEVUXCFBEUYCT+RLFUWGUSOAYX+IGJMK+KAZOEATNOEDJDROTGGOVHBOACLPE+WLLADEILSHJXVCPOPDSCVVNB+AGIRWXFUDD | THGOVAPNAICVXEYDONCFLSREOTJGYNNFDCJUNZDUHO+DUPSCUILVHURKBYDERCBDFVXEEAUCEF+QTCHAEFVEVUXCFBEUYCT+RLFUWGUSOAYX+IGJMK+KAZOEATNOEDJDROTGGOVHBOACLPE+WLLADEILSHJXVCPOPDSCVVNB+AGIRWXFUDD | 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 | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
hill-268 | DTKGKOXYMHHLMCNZ | DTKGKOXYMHHLMCNZ | EVACUATE THE BASE | hill | hill | polygraphic | {
"a": 7,
"b": 5,
"c": 2,
"d": 3
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0199 | PXKTHEGFGSGZTATJCBKBMLRDMCRREPDYUWLOBKYIKRURVYYIUPVQGEDGXNYSZXGBNEJSVPNUB | PXKTHEGFGSGZTATJCBKBMLRDMCRREPDYUWLOBKYIKRURVYYIUPVQGEDGXNYSZXGBNEJSVPNUB | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-1108 | OBZJJDFWTAHOSZRRTWVKQPWTAHOSTYROTBXDUSEUVMSTWXFZJBHOFBPRFPDOHMSFZHSRP | OBZJJDFWTAHOSZRRTWVKQPWTAHOSTYROTBXDUSEUVMSTWXFZJBHOFBPRFPDOHMSFZHSRP | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
affine-v3-0588 | JDI CHIIB AP FKWDJ KC JDI QFJKMGJI CHIIB FKMKJ KT JDI QTKXIVCI IKTCJIKT BIMATCJVGJIB JDKC | JDI CHIIB AP FKWDJ KC JDI QFJKMGJI CHIIB FKMKJ KT JDI QTKXIVCI IKTCJIKT BIMATCJVGJIB JDKC | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | affine | affine | substitution | {
"a": 7,
"b": 6
} | beginner | en | 75 | 89 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0055 | ASOBSKTVZCRPDAJXHXAGCVORPQEOFHVXGAIYZZYNHIEOUHOMPEMTSFVKIBGYQWDSQROHJZKHPZN | ASOBSKTVZCRPDAJXHXAGCVORPQEOFHVXGAIYZZYNHIEOUHOMPEMTSFVKIBGYQWDSQROHJZKHPZN | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
affine-206 | ADEXHEI LHEZS UDX | ADEXHEI LHEZS UDX | FORWARD MARCH NOW | affine | affine | substitution | {
"a": 9,
"b": 7
} | beginner | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0399 | GRAVJTYEXPLAINSALL | GRAVJTYEXPLAINSALL | GRAVITY EXPLAINS ALL | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0085 | VHBAYMEDIXSIJQNDKWBIEMSIJKRLPWAXPUFQWRBBVHFIXVPUPWSSFLZEOVOVRRCFAXMVVHWRCZBIZN | VHBAYMEDIXSIJQNDKWBIEMSIJKRLPWAXPUFQWRBBVHFIXVPUPWSSFLZEOVOVRRCFAXMVVHWRCZBIZN | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
m209-081 | JYCDLUBWYTNMYCJJYZ | JYCDLUBWYTNMYCJJYZ | THE BRIDGE IS SECURED | m209 | m209 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
adfgx-v2-0506 | DDDXFFFXAFDDGDFDFDXXAAAFAAGFFDGGXDXDXDFXDXGG | DDDXFFFXAFDDGDFDFDXXAAAFAAGFFDGGXDXDXDFXDXGG | FLEET ASSEMBLES AT HARBOR | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 44 | 44 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0779 | FTXEDJPFLZHOUAMOYEPQAWWFQQUUZMUZRTIIMEBHPGCHIPPQYMWHXJOUXJEDFKQFAMWBGQGN | FTXEDJPFLZHOUAMOYEPQAWWFQQUUZMUZRTIIMEBHPGCHIPPQYMWHXJOUXJEDFKQFAMWBGQGN | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
vic-v3-0226 | 834793156395890718791700 | 834793156395890718791700 | GRAVITY EXPLAINS ALL | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0438 | HSUHMINXRMMABWHNQW | HSUHMINXRMMABWHNQW | DEAD MEN TELL NO TALES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 11
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0045 | TVYFXMGIODXGYBHRTSPD | TVYFXMGIODXGYBHRTSPD | STEAM POWER TRANSFORMS | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0014382 | 24 45 26 64 33 52 14 35 2 68 59 76 99 2 30 25 72 76 96 11 48 53 63 39 1 49 15 91 17 48 93 34 30 66 4 49 60 43 | 24 45 26 64 33 52 14 35 2 68 59 76 99 2 30 25 72 76 96 11 48 53 63 39 1 49 15 91 17 48 93 34 30 66 4 49 60 43 | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | homophonic | homophonic | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
vigenere-v3-0495 | VZGTOYVZNZSYOZGKBPHFRYWTLETOBIRCVKGVQKEXQRSKIUBNQUATOYBJIYCSHCEIHEREIIQBPDUTWPDKIUBF | VZGTOYVZNZSYOZGKBPHFRYWTLETOBIRCVKGVQKEXQRSKIUBNQUATOYBJIYCSHCEIHEREIIQBPDUTWPDKIUBF | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0338 | FVOKAHURXEBINNBEBMTBOJEYVIJNIMUOJHENSIGICIKGEGONNEQOYQIHSTFILAXOCOJIJIWENSOKXEE | FVOKAHURXEBINNBEBMTBOJEYVIJNIMUOJHENSIGICIKGEGONNEQOYQIHSTFILAXOCOJIJIWENSOKXEE | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0015 | LBKKZWDWXUXUKG | LBKKZWDWXUXUKG | THE SIEGE BEGINS | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0833 | ZTWATCJACXSJNDVVZY | ZTWATCJACXSJNDVVZY | THE ORACLE HAS SPOKEN | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0091 | OECOMRNACSNTSLCSRLWPCZCBGNPAONHLXDPIHTXYCFKGINTSSTXKUYPZXCSUEZRBXHPSAUPSINTSEEWHRJ | OECOMRNACSNTSLCSRLWPCZCBGNPAONHLXDPIHTXYCFKGINTSSTXKUYPZXCSUEZRBXHPSAUPSINTSEEWHRJ | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0162 | 01202386763822239626 | 01202386763822239626 | LIBERTY OR DEATH | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
double-transposition-066 | EAAPPSCONREDDELN | EAAPPSCONREDDELN | PROCEED AS PLANNED | double_transposition | double_transposition | transposition | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0014781 | 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 | 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | wallis_cipher | wallis_cipher | null | {} | hard | en | 93 | 93 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
chaocipher-095 | MIBONIJWUDXXMISTPOXWFESGPORZEILBPFHTWHVTNN | MIBONIJWUDXXMISTPOXWFESGPORZEILBPFHTWHVTNN | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-288 | YRBTVLIFUVLKEBKLCUKJOLGCSPAPQUUBTVLIPSGBMTUKJOMASEUVMOGALGLCSPSCOLEW | YRBTVLIFUVLKEBKLCUKJOLGCSPAPQUUBTVLIPSGBMTUKJOMASEUVMOGALGLCSPSCOLEW | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "CRYPTIC"
} | advanced | en | 68 | 68 | cipher_museum | 0.2 | public | null | null |
cda-0015404 | 01286 02841 01899 01944 02847 1592 0379 4432 1295 2599 01655 03820 03831 04123 00338 4419 2877 04452 6372 05716 04784 01320 06616 1026 1599 1324 5062 06621 00707 03848 02867 01038 3542 01603 7946 00952 5664 7913 05066 6356 04803 2213 5725 0333 5045 2587 07898 2884 4484 04485 2912 4443 1570 06290 1633 01593 4413 06063 1... | 01286 02841 01899 01944 02847 1592 0379 4432 1295 2599 01655 03820 03831 04123 00338 4419 2877 04452 6372 05716 04784 01320 06616 1026 1599 1324 5062 06621 00707 03848 02867 01038 3542 01603 7946 00952 5664 7913 05066 6356 04803 2213 5725 0333 5045 2587 07898 2884 4484 04485 2912 4443 1570 06290 1633 01593 4413 06063 1... | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | zimmermann | zimmermann | null | {} | hard | en | 202 | 202 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0018766 | 807 853 873 845 858 842 818 851 802 845 821 872 999 852 812 868 802 853 810 856 999 846 800 857 826 814 841 807 812 999 802 840 811 999 806 800 851 813 817 862 835 999 857 821 826 841 831 825 839 819 999 816 801 824 834 999 808 833 842 854 813 810 999 826 856 999 802 999 846 844 855 858 862 851 814 999 841 842 857 999 ... | 807 853 873 845 858 842 818 851 802 845 821 872 999 852 812 868 802 853 810 856 999 846 800 857 826 814 841 807 812 999 802 840 811 999 806 800 851 813 817 862 835 999 857 821 826 841 831 825 839 819 999 816 801 824 834 999 808 833 842 854 813 810 999 826 856 999 802 999 846 844 855 858 862 851 814 999 841 842 857 999 ... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING FAIL CLOSED IS A POSTURE NOT A SLOGAN TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | culper_ring | culper_ring | null | {} | hard | en | 174 | 174 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
bifid-145 | QEKYKIVHVRBEHBELMIVOYTUZFAEVRYDRYGLR | QEKYKIVHVRBEHBELMIVOYTUZFAEVRYDRYGLR | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | bifid | bifid | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
kryptos-v3-0232 | KPFRDKREUXNZUFY | KPFRDKREUXNZUFY | THE WIND IS WITH US | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0166 | I3 M4 D5 I1 E8 G4 Y8 S0 F0 O1 B4 I1 D4 N7 G4 D6 H1 F7 S7 E8 K4 P5 O7 O3 F7 E1 L5 K2 X1 N6 Q1 J0 I7 M2 I1 L8 R3 A3 P8 N8 Q3 C7 A4 F1 N3 O9 M7 Z4 B4 O1 V2 S7 K8 L8 L2 U2 L1 F6 O3 E6 L2 C6 F1 P0 Q2 D5 J0 C0 O9 K1 X6 G4 X3 | I3 M4 D5 I1 E8 G4 Y8 S0 F0 O1 B4 I1 D4 N7 G4 D6 H1 F7 S7 E8 K4 P5 O7 O3 F7 E1 L5 K2 X1 N6 Q1 J0 I7 M2 I1 L8 R3 A3 P8 N8 Q3 C7 A4 F1 N3 O9 M7 Z4 B4 O1 V2 S7 K8 L8 L2 U2 L1 F6 O3 E6 L2 C6 F1 P0 Q2 D5 J0 C0 O9 K1 X6 G4 X3 | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 146 | 218 | cipher_museum | 2.0 | public | null | null |
trithemius-v3-0011 | AWG PEWOH OAKEUN DAUES | AWG PEWOH OAKEUN DAUES | AVE MARIA GRATIA PLENA | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 19 | 22 | cipher_museum | 2.0 | public | null | null |
polybius-v3-0073 | 52 23 11 44 14 34 15 43 24 44 35 42 34 21 24 44 11 32 11 33 44 34 22 11 24 33 44 23 15 52 23 34 31 15 52 34 42 31 14 11 33 14 54 15 44 31 34 43 15 23 24 43 34 52 33 24 32 32 34 42 44 11 31 43 34 45 31 21 34 42 15 51 15 42 | 52 23 11 44 14 34 15 43 24 44 35 42 34 21 24 44 11 32 11 33 44 34 22 11 24 33 44 23 15 52 23 34 31 15 52 34 42 31 14 11 33 14 54 15 44 31 34 43 15 23 24 43 34 52 33 24 32 32 34 42 44 11 31 43 34 45 31 21 34 42 15 51 15 42 | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0160 | DAZVKGHBVTFAHQJVORFLXPXPARBEGKPYMACBUUKTCLMLJRLOVOLFEOSWXUVZOKEKRZRZ | DAZVKGHBVTFAHQJVORFLXPXPARBEGKPYMACBUUKTCLMLJRLOVOLFEOSWXUVZOKEKRZRZ | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0425 | ZMVLMZ CVBW KIMAIZ | ZMVLMZ CVBW KIMAIZ | RENDER UNTO CAESAR | caesar | caesar | substitution | {
"type": "shift",
"value": 8
} | beginner | en | 16 | 18 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0353 | DCLDPHKIFZNDERCRNDISCICZ | DCLDPHKIFZNDERCRNDISCICZ | CARTHAGE MUST BE DESTROYED | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0014246 | OKEED YCHOL DAIIN CHEDY OKALO KEDYD ARALQ OKEED YDAIN YOTAI INQOK ALDAL QOKAL OTOLC HOLCH EDYCH EDYLK AIINO XEDSH ALQOK EEDYY PCHOL ORORR CHEOL CHEDY SHEOL YKCHE OLOXE DCHOL OTAII NDARA LOKAI NOKAL DARAL CHORO TEDYD AINYR AIINC HOLCH EDALC HEOLC TAIIN AIIIN YPCHO LSHEE DYCTA IINSH ARALO KALSH ALOTA INDAL OTEDY AIIIN OT... | OKEED YCHOL DAIIN CHEDY OKALO KEDYD ARALQ OKEED YDAIN YOTAI INQOK ALDAL QOKAL OTOLC HOLCH EDYCH EDYLK AIINO XEDSH ALQOK EEDYY PCHOL ORORR CHEOL CHEDY SHEOL YKCHE OLOXE DCHOL OTAII NDARA LOKAI NOKAL DARAL CHORO TEDYD AINYR AIINC HOLCH EDALC HEOLC TAIIN AIIIN YPCHO LSHEE DYCTA IINSH ARALO KALSH ALOTA INDAL OTEDY AIIIN OT... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY CERTAINLY | voynich_render | voynich_render | null | {} | hard | en | 373 | 373 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0003931 | PTFR UPVV DIVP PPTE NMPA JRFF QIOH GOUZ FVKG JGBX KPOX XSUR VESI EJQL FVGO DVZT VTEM HVCQ IWXM VIUA PTQM ZFJY UBMT IEDF UWDS NVNR BVVS BRTT QTJX JSPS FEEW EPMY NRUJ OOFC QSEI SXJF QPBC HBJV DMRI FVFR ESZT UWRB JVTS HMFX UITT TMNY NUBR FSWT MC | PTFR UPVV DIVP PPTE NMPA JRFF QIOH GOUZ FVKG JGBX KPOX XSUR VESI EJQL FVGO DVZT VTEM HVCQ IWXM VIUA PTQM ZFJY UBMT IEDF UWDS NVNR BVVS BRTT QTJX JSPS FEEW EPMY NRUJ OOFC QSEI SXJF QPBC HBJV DMRI FVFR ESZT UWRB JVTS HMFX UITT TMNY NUBR FSWT MC | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | gronsfeld | gronsfeld | null | {
"key": "141421"
} | hard | en | 194 | 194 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
vernam-v3-0076 | HVOLRYUYPDWLZVBIUCDBAZJZCFAUJHVNTNZNVTQFCCFVJLIIWIANNUCFXFTKPDWLZFCJHTWLCIPECEIFNG | HVOLRYUYPDWLZVBIUCDBAZJZCFAUJHVNTNZNVTQFCCFVJLIIWIANNUCFXFTKPDWLZFCJHTWLCIPECEIFNG | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0327 | BBIBIQRMRNMYSP | BBIBIQRMRNMYSP | THE SIEGE BEGINS | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
vic-v3-0009 | 898086780899286911648090489 | 898086780899286911648090489 | RENDER UNTO CAESAR | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
cda-0009138 | HDPDRGIIROXIATUTNXRETSDOGESLSESUAUMBTHATCANAFEUENIXXBCRRNCNOPLESOSLANEHWOPOOTIOCEFYUXXTDRSEINASSSNAOOREUULIFETSDNMLEIIXXOSQEECELUDANLLTA | HDPDRGIIROXIATUTNXRETSDOGESLSESUAUMBTHATCANAFEUENIXXBCRRNCNOPLESOSLANEHWOPOOTIOCEFYUXXTDRSEINASSSNAOOREUULIFETSDNMLEIIXXOSQEECELUDANLLTA | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS FAIL CLOSED IS A POSTURE NOT A SLOGAN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | stager_route | stager_route | null | {
"cols": 8
} | hard | en | 136 | 136 | synthetic_educational | null | null | [] | |
cda-0013234 | CHOL DAII NQOK EDYS HAII NOKA INQO KEED YOXE DQOK EDYQ OKEE DYDA RALY KCHE OLOK EEDY OKAL OKEE DYLK AIIN YTED YYTE DYOX EDCH OROT AINS HARA LQOK ALOT AIIN CHED ALOK SHYQ OTED YSHE DYOT EDYC HEOL CHOL DAII NCTA IINO XEDC HOLD AIIN | CHOL DAII NQOK EDYS HAII NOKA INQO KEED YOXE DQOK EDYQ OKEE DYDA RALY KCHE OLOK EEDY OKAL OKEE DYLK AIIN YTED YYTE DYOX EDCH OROT AINS HARA LQOK ALOT AIIN CHED ALOK SHYQ OTED YSHE DYOT EDYC HEOL CHOL DAII NCTA IINO XEDC HOLD AIIN | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | voynich_render | voynich_render | null | {} | hard | en | 184 | 184 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0010165 | CNGGREA JBEQF URYC OERNX ZBABNYCUNORGVP FHOFGVGHGVBA | CNGGREA JBEQF URYC OERNX ZBABNYCUNORGVP FHOFGVGHGVBA | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 47 | 47 | synthetic_educational | null | null | [] | |
red-type-a-v3-0412 | YXSINYYRDYLDGGERIMEHTPATZYVZEYCMALXUNRUUPGEQWAJFHITPISLABEZJINXALPKUTISAQDVYXYLOHYKEMITHSXUVAHHSEONWKEPEBYYYKYTEGGANMUMSKAFQIVUVUZILUNALPOQAQYPOWYBAQOMKIXITNYSA | YXSINYYRDYLDGGERIMEHTPATZYVZEYCMALXUNRUUPGEQWAJFHITPISLABEZJINXALPKUTISAQDVYXYLOHYKEMITHSXUVAHHSEONWKEPEBYYYKYTEGGANMUMSKAFQIVUVUZILUNALPOQAQYPOWYBAQOMKIXITNYSA | 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 | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
vigenere-069 | KYRGPRDMPVGHETTFQBKIF | KYRGPRDMPVGHETTFQBKIF | SUPPLY LINE COMPROMISED | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
double-transposition-v3-0070 | PNINLDECLAGNUASNAHVEESETETHSTRTBHIAOPTEHSECAOREEETDDIINRTMOFOOLHIHSATTHTEE | PNINLDECLAGNUASNAHVEESETETHSTRTBHIAOPTEHSECAOREEETDDIINRTMOFOOLHIHSATTHTEE | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0662 | OJCPUAWUGZMNYTJTBPW | OJCPUAWUGZMNYTJTBPW | MEASURE TWICE CUT ONCE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ANCHOR"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0017093 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w34⟩ ⟨w10⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨a17⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | babington | babington | null | {} | hard | en | 131 | 131 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
enigma-v2-0702 | GEGDJZHZJAPSXZCLBVHSSFGHSGOAKKIJNAVZNAZCIJEGTNCKXRCBZQSJJNALYQRZCYKSM | GEGDJZHZJAPSXZCLBVHSSFGHSGOAKKIJNAVZNAZCIJEGTNCKXRCBZQSJJNALYQRZCYKSM | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0427 | VUIETUBDPQRWBOVNJBZLXIGTQSFBCSECJQUEWOGVORCQACCWVUQDUKVFCSKWYQBSUYUPWE | VUIETUBDPQRWBOVNJBZLXIGTQSFBCSECJQUEWOGVORCQACCWVUQDUKVFCSKWYQBSUYUPWE | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0137 | SOAHFWUSDC | SOAHFWUSDC | DOT DASH DOT | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
polybius-v3-0032 | 44 23 15 43 23 34 44 23 15 11 42 14 42 34 45 33 14 44 23 15 52 34 42 31 14 | 44 23 15 43 23 34 44 23 15 11 42 14 42 34 45 33 14 44 23 15 52 34 42 31 14 | THE SHOT HEARD ROUND THE WORLD | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 50 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0013261 | 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 | 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 | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | polybius | polybius | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
enigma-v2-0952 | EORSFVENUIASTQIQVDOUANKXTWLGTUJUWGZKCUBXYMWRDQMQMOVLAOAFFYXPTGHLNFFXIYG | EORSFVENUIASTQIQVDOUANKXTWLGTUJUWGZKCUBXYMWRDQMQMOVLAOAFFYXPTGHLNFFXIYG | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | enigma | enigma | machine | {
"type": "rotor_start",
"value": "VWX"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0383 | CAVALSREYCANDAV | CAVALSREYCANDAV | CAVALRY ADVANCES | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
hill-v2-0274 | TAPUHGNNBWHRQIBX | TAPUHGNNBWHRQIBX | DIVIDE AND CONQUER | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0871 | MTXLTPXSNVTNEGTMLTTRTAPHHBHTPTYHTPLIHIXNSTTPSBAUUAVFFBRBFHBTYHBXGSTAPBHQNTPSPMMTPSYILTGSVBMSUNQMHTNSXFNNHBFTLTETPSSXFSPPTDVXENRSHSFSSNHYLBVLIIMTAPYGTTLBJYITJSCHS | MTXLTPXSNVTNEGTMLTTRTAPHHBHTPTYHTPLIHIXNSTTPSBAUUAVFFBRBFHBTYHBXGSTAPBHQNTPSPMMTPSYILTGSVBMSUNQMHTNSXFNNHBFTLTETPSSXFSPPTDVXENRSHSFSSNHYLBVLIIMTAPYGTTLBJYITJSCHS | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
culper-ring-v2-0023 | 998 811 814 814 818 804 999 998 811 808 815 818 999 998 818 808 813 810 999 998 818 807 808 815 818 999 | 998 811 814 814 818 804 999 998 811 808 815 818 999 998 818 808 813 810 999 998 818 807 808 815 818 999 | LOOSE LIPS SINK SHIPS | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 78 | 103 | cipher_museum | 2.0 | public | null | null |
cda-0020111 | .... .... .. ... . ..... ... . .. .... . .. .... .. . . .... .. ..... .... ... ..... .... .. . ..... .... ... . ..... .... .. ..... . . ..... .... ... . ... ... ... ... .... ..... .. ... . . ..... . .... .. .. . ..... .. . ... .... .... .. .... .... .. ... . ..... . ... ... .... ... ... | .... .... .. ... . ..... ... . .. .... . .. .... .. . . .... .. ..... .... ... ..... .... .. . ..... .... ... . ..... .... .. ..... . . ..... .... ... . ... ... ... ... .... ..... .. ... . . ..... . .... .. .. . ..... .. . ... .... .... .. .... .... .. ... . ..... . ... ... .... ... ... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | tap_code | tap_code | null | {} | hard | en | 84 | 84 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
cda-0015698 | UPGHV YUDLX MJVDP GQSNG QBHME NBKLG WEQQP MGUWS DMVZO YDWEM HAVLB WPFPQ XWTXJ RLRFS EXKUY GKRMI GRVNT MJ | UPGHV YUDLX MJVDP GQSNG QBHME NBKLG WEQQP MGUWS DMVZO YDWEM HAVLB WPFPQ XWTXJ RLRFS EXKUY GKRMI GRVNT MJ | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY HONESTLY | running_key | running_key | null | {} | hard | en | 87 | 87 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
chaocipher-v2-0436 | TPEISHXDIWLERLEMFDWASBZIQGURXOURSJBCEHLJMMMYJQRRPCRZYMWNPEJDMYJTOWGO | TPEISHXDIWLERLEMFDWASBZIQGURXOURSJBCEHLJMMMYJQRRPCRZYMWNPEJDMYJTOWGO | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
trithemius-009 | SVRSPD RPVN MZYCFDCZKXX | SVRSPD RPVN MZYCFDCZKXX | SUPPLY LINE COMPROMISED | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 21 | 23 | cipher_museum | 0.2 | public | null | null |
tap-code-v2-0072 | .... .... .. ... . ..... ..... ..... .. .... ... .. ... .. . ..... .... .. ... .. . . ... ... ... ... .... .... . ..... ... . . ..... .. .. .... .. . . ... .. ..... .. . . .... ... . .... . ..... . ... ... .... . .... . ..... . .... . .. ..... .... .... ... | .... .... .. ... . ..... ..... ..... .. .... ... .. ... .. . ..... .... .. ... .. . . ... ... ... ... .... .... . ..... ... . . ..... .. .. .... .. . . ... .. ..... .. . . .... ... . .... . ..... . ... ... .... . .... . ..... . .... . .. ..... .... .... ... | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 461 | 786 | cipher_museum | 2.0 | public | null | null |
cda-0007373 | QBAB GPBA SHFR BOSH FPNG VBAJ VGUR APEL CGVB A | QBAB GPBA SHFR BOSH FPNG VBAJ VGUR APEL CGVB A | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 37 | 37 | synthetic_educational | null | null | [] | |
diana-v2-0018 | RENYLFTIFARRG | RENYLFTIFARRG | AWAIT MY SIGNAL | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0494 | DXAXXFDGAAGAAGXXXGGGXGAGXADDGDGGGG | DXAXXFDGAAGAAGXXXGGGXGAGXADDGDGGGG | KEEP YOUR POWDER DRY | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
commercial-code-043 | BABAB ZUZUZ VAZUZ BEZUZ LAZUZ DAZUZ NAZUZ XUZUZ ZUZUZ CAZUZ WAZUZ SAZUZ DEZUZ RAZUZ XUZUZ ZUZUZ HAZUZ SAZUZ FEZUZ XUZUZ ZUZUZ MAZUZ BEZUZ QAZUZ TAZUZ XAZUZ XUZUZ MOBAB BABAB ZUZUZ PAZUZ BAZUZ HEZUZ GEZUZ XUZUZ ZUZUZ FAZUZ SAZUZ JAZUZ XUZUZ ZUZUZ RAZUZ GAZUZ BAZUZ WAZUZ XUZUZ BABAB ZUZUZ WAZUZ LAZUZ CEZUZ GAZUZ WAZUZ XU... | BABAB ZUZUZ VAZUZ BEZUZ LAZUZ DAZUZ NAZUZ XUZUZ ZUZUZ CAZUZ WAZUZ SAZUZ DEZUZ RAZUZ XUZUZ ZUZUZ HAZUZ SAZUZ FEZUZ XUZUZ ZUZUZ MAZUZ BEZUZ QAZUZ TAZUZ XAZUZ XUZUZ MOBAB BABAB ZUZUZ PAZUZ BAZUZ HEZUZ GEZUZ XUZUZ ZUZUZ FAZUZ SAZUZ JAZUZ XUZUZ ZUZUZ RAZUZ GAZUZ BAZUZ WAZUZ XUZUZ BABAB ZUZUZ WAZUZ LAZUZ CEZUZ GAZUZ WAZUZ XU... | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 270 | 323 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v3-0029 | 90 55 61 56 91 90 63 54 82 37 42 81 10 24 91 90 87 53 56 91 90 48 89 76 33 34 22 91 | 90 55 61 56 91 90 63 54 82 37 42 81 10 24 91 90 87 53 56 91 90 48 89 76 33 34 22 91 | THE REDCOATS ARE COMING | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 56 | 83 | cipher_museum | 2.0 | public | null | null |
tap-code-v3-0020 | . .... . ..... . . . .... ... .. . ..... ... ... .... .... . ..... ... . ... . ... ... ... .... .... .... . . ... . . ..... .... ... | . .... . ..... . . . .... ... .. . ..... ... ... .... .... . ..... ... . ... . ... ... ... .... .... .... . . ... . . ..... .... ... | DEAD MEN TELL NO TALES | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 97 | 166 | cipher_museum | 2.0 | public | null | null |
chaocipher-009 | PRNMXSVYVYARERKAYSHCQ | PRNMXSVYVYARERKAYSHCQ | SUPPLY LINE COMPROMISED | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CHAOCIPHER"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
vernam-v3-0062 | GFPHVFRWICDZZYSSJYWMBDNAYQMZKQEIGYQWQDIRSEQTJHMNBOYMCFHRPQUDQWQETRPGURCHOO | GFPHVFRWICDZZYSSJYWMBDNAYQMZKQEIGYQWQDIRSEQTJHMNBOYMCFHRPQUDQWQETRPGURCHOO | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | vernam | vernam | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0146 | SOZGDPFUOEQGNMLYURFJOJ | SOZGDPFUOEQGNMLYURFJOJ | EXTRACTION POINT CHANGED | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0097 | IHPLQVSOFRISSIDOPIAOCDCRSTSOWWWAWTNSKEEHGPDROTJCVOOWKXWAWLVLXNPHGEGTLNFAXTSANPIHJSQYAAYDYMIHLLNXWYXIILIAYDVLTSPWQVSSHHKGWINOOQPNOTJITTSIUHPYDHCPABPIPXWIYEJIPRE | IHPLQVSOFRISSIDOPIAOCDCRSTSOWWWAWTNSKEEHGPDROTJCVOOWKXWAWLVLXNPHGEGTLNFAXTSANPIHJSQYAAYDYMIHLLNXWYXIILIAYDVLTSPWQVSSHHKGWINOOQPNOTJITTSIUHPYDHCPABPIPXWIYEJIPRE | 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 | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0552 | ANWTTAHUURFUKVRBTUZKKHCSRQEUMCDQQDDNOURPDGFKDTTRQPOHLAINMCPIGSDMCNSMBLSMMIBSCQSZQY | ANWTTAHUURFUKVRBTUZKKHCSRQEUMCDQQDDNOURPDGFKDTTRQPOHLAINMCPIGSDMCNSMBLSMMIBSCQSZQY | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
m209-v2-0017 | CQYXYUXMJCYAZPSTQHK | CQYXYUXMJCYAZPSTQHK | CODED MESSAGE FOLLOWS | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
vic-v2-0031 | 9380868393837839383683 | 9380868393837839383683 | VENI VIDI VICI | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-169 | RMZCMPLMRRMZCRFYRGQRFCOSCQRGMLUFCRFCPRGQLMZJCPGLRFCKGLB | RMZCMPLMRRMZCRFYRGQRFCOSCQRGMLUFCRFCPRGQLMZJCPGLRFCKGLB | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "KOREA"
} | beginner | en | 55 | 55 | cipher_museum | 0.2 | public | null | null |
chaocipher-v2-0484 | YPUNTMAWYYZBKKHUXDUHXLLEXGQIUAUJWLFYNWNZCSBNCLZDHZLKQUKCTYXQSNLMOHHHKMMSTVHKBUCSQ | YPUNTMAWYYZBKKHUXDUHXLLEXGQIUAUJWLFYNWNZCSBNCLZDHZLKQUKCTYXQSNLMOHHHKMMSTVHKBUCSQ | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0041 | MLYVOELZPZFTRTZMKGSKSOYFVJLXRYMVRAVYZXEIPTUCAXGEH | MLYVOELZPZFTRTZMKGSKSOYFVJLXRYMVRAVYZXEIPTUCAXGEH | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 49 | 49 | cipher_museum | 2.0 | public | null | null |
m209-v2-0422 | APHAKBMCVASDQFMXSZNBAWNNZJWYVMAAEIXNNWYIFUVCQKOZIAMJEKKAZBEKWCKLPPCY | APHAKBMCVASDQFMXSZNBAWNNZJWYVMAAEIXNNWYIFUVCQKOZIAMJEKKAZBEKWCKLPPCY | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0015869 | -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. ... / ..- ... . / -- ..- .-.. - .. .--. .-.. . / .- .-.. .--. .... .- -... . - / ... | -.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. ... / ..- ... . / -- ..- .-.. - .. .--. .-.. . / .- .-.. .--. .... .- -... . - / ... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | morse_code | morse_code | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
m94-v2-0104 | VKUZISNSRIJRNRVHQISELNLVWVKMVGRFYEOCSNFUBWMPBCYLHRTWUSQGZTCITHCCWPQLSDKJLVPQHMJGGUQEVK | VKUZISNSRIJRNRVHQISELNLVWVKMVGRFYEOCSNFUBWMPBCYLHRTWUSQGZTCITHCCWPQLSDKJLVPQHMJGGUQEVK | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
bazeries-164 | YHYKYJPNRXJXNYTNVPLQRCRKNBYDYJANQRLLTKNYCRDPEKDJDHNHEQYQL | YHYKYJPNRXJXNYTNVPLQRCRKNBYDYJANQRLLTKNYCRDPEKDJDHNHEQYQL | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 99
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
cda-0012574 | KLIZZIE / DZEH / GAH / MOASI / KLIZZIE / LIN / A-KHA / MA-E / MA-E / DIBEH / CLA-GI-AIH / GAH / TKIN / TSAH / MOASI / TKIN / CLA-GI-AIH / DIBEH-YAZZIE / DZEH / DIBEH / WOL-LA-CHEE / TSAH-AS-ZIH / DIBEH / THAN-ZIE / LIN / ... | KLIZZIE / DZEH / GAH / MOASI / KLIZZIE / LIN / A-KHA / MA-E / MA-E / DIBEH / CLA-GI-AIH / GAH / TKIN / TSAH / MOASI / TKIN / CLA-GI-AIH / DIBEH-YAZZIE / DZEH / DIBEH / WOL-LA-CHEE / TSAH-AS-ZIH / DIBEH / THAN-ZIE / LIN / ... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | navajo_code | navajo_code | null | {} | hard | en | 221 | 221 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
nomenclator-v3-0076 | 23 08 01 20 04 15 05 19 09 20 16 18 15 06 09 20 01 13 01 14 63 07 01 09 14 60 23 08 15 12 05 23 15 18 12 04 61 25 05 20 12 15 19 05 08 09 19 15 23 14 09 13 13 15 18 20 01 12 19 15 21 12 06 15 18 05 22 05 18 | 23 08 01 20 04 15 05 19 09 20 16 18 15 06 09 20 01 13 01 14 63 07 01 09 14 60 23 08 15 12 05 23 15 18 12 04 61 25 05 20 12 15 19 05 08 09 19 15 23 14 09 13 13 15 18 20 01 12 19 15 21 12 06 15 18 05 22 05 18 | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 138 | 206 | cipher_museum | 2.0 | public | null | null |
cda-0020489 | JUSHJVHUDBQEKMDFJACKDSDBFBUVVPPUCIJNHYKWXNKPBRSVCHTNYYVLJNMPHBXJZQNRDECHDSCICWXABKKGLRMLOVESLBBNEYAWQTTXCZZDDODKHKPXUXAGUCZGOPV | JUSHJVHUDBQEKMDFJACKDSDBFBUVVPPUCIJNHYKWXNKPBRSVCHTNYYVLJNMPHBXJZQNRDECHDSCICWXABKKGLRMLOVESLBBNEYAWQTTXCZZDDODKHKPXUXAGUCZGOPV | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS A STRONG CLAIM NEEDS STRONG EVIDENCE THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | vernam | vernam | null | {} | hard | en | 127 | 127 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
trifid-v3-0035 | UPCDJPP+LOLPY | UPCDJPP+LOLPY | THE APPLE FALLS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
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