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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
caesar-439 | EF GIZJFEVIJ KRBVE | EF GIZJFEVIJ KRBVE | NO PRISONERS TAKEN | caesar | caesar | substitution | {
"type": "shift",
"value": 17
} | beginner | en | 16 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0012510 | 13 15 4 5 18 14 5 14 3 18 25 16 20 9 15 14 9 19 14 15 20 2 18 15 11 5 14 2 25 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 | 13 15 4 5 18 14 5 14 3 18 25 16 20 9 15 14 9 19 14 15 20 2 18 15 11 5 14 2 25 12 5 20 20 5 18 6 18 5 17 21 5 14 3 25 | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
slidex-033 | KCFRCRQVXEBUOCDRZJMORQDQYXRQDQUHUMLH | KCFRCRQVXEBUOCDRZJMORQDQYXRQDQUHUMLH | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | slidex | slidex | transposition | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-138 | LGXFBQSIHYYOFWRI | LGXFBQSIHYYOFWRI | BURN AFTER READING | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
argenti-v2-0348 | 75 20 11 47 39 18 68 28 77 18 63 44 38 42 11 64 28 49 27 87 68 16 63 33 57 11 46 29 88 28 57 41 25 77 69 29 18 24 69 27 75 67 71 44 61 29 38 88 69 44 87 38 57 37 77 29 13 23 59 42 63 68 11 27 39 21 87 71 44 75 69 42 20 28 49 77 11 63 75 10 87 27 | 75 20 11 47 39 18 68 28 77 18 63 44 38 42 11 64 28 49 27 87 68 16 63 33 57 11 46 29 88 28 57 41 25 77 69 29 18 24 69 27 75 67 71 44 61 29 38 88 69 44 87 38 57 37 77 29 13 23 59 42 63 68 11 27 39 21 87 71 44 75 69 42 20 28 49 77 11 63 75 10 87 27 | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 164 | 245 | cipher_museum | 2.0 | public | null | null |
affine-v2-0649 | UATJGUJ DGC NIIT MGBI | UATJGUJ DGC NIIT MGBI | CONTACT HAS BEEN MADE | affine | affine | substitution | {
"a": 7,
"b": 6
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0006 | SZYGJWRWCFAOS | SZYGJWRWCFAOS | THE PASS IS HELD | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
m94-072 | TUSRXHANKURSQXPN | TUSRXHANKURSQXPN | CIPHER KEY CHANGED | m94 | m94 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
copiale-v3-0147 | P3 D5 K7 K7 E8 Q3 K2 S7 F0 G0 N9 N2 R3 P5 N3 E0 G3 J0 G6 D4 C7 M8 | P3 D5 K7 K7 E8 Q3 K2 S7 F0 G0 N9 N2 R3 P5 N3 E0 G3 J0 G6 D4 C7 M8 | MESSAGE RECEIVED CLEARLY | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 44 | 65 | cipher_museum | 2.0 | public | null | null |
cda-0020369 | 5094 1585 01647 05728 05727 01570 6940 02892 1601 7255 0401 04479 01352 05722 1607 05044 05714 04727 1308 06669 1000 2885 00693 2895 03781 2890 06351 7923 04165 0394 6343 6325 01601 05691 02870 04409 05748 1588 05993 01632 0380 5714 00978 02577 06336 02608 01579 3478 00405 5967 02911 5991 3537 02829 1628 07620 0333 413... | 5094 1585 01647 05728 05727 01570 6940 02892 1601 7255 0401 04479 01352 05722 1607 05044 05714 04727 1308 06669 1000 2885 00693 2895 03781 2890 06351 7923 04165 0394 6343 6325 01601 05691 02870 04409 05748 1588 05993 01632 0380 5714 00978 02577 06336 02608 01579 3478 00405 5967 02911 5991 3537 02829 1628 07620 0333 413... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | zimmermann | zimmermann | null | {} | hard | en | 98 | 98 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
rail-fence-v2-0321 | OTDYVNHDNEROTOCGRORAVNLEIEPEEEIUUNAIDWRAMPDREWDMUEEOIYLENAQORNMWIAANAFOAHKYL | OTDYVNHDNEROTOCGRORAVNLEIEPEEEIUUNAIDWRAMPDREWDMUEEOIYLENAQORNMWIAANAFOAHKYL | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0009034 | MSJWAYUDGRRGJPBKXHAWGZSNUWCRDWAYMUACMLYVBSIIVVVLIDWCNPYLLSTQUIFTEIVEGAELGGIZJMGZGRWUAVKHZXAMIMLHTSTHLQLTCCMIPXLGSWXHAWGAUBGJSRXGDNKOGIZGOZEGSIHPXXYTPRBYPQDTBE | MSJWAYUDGRRGJPBKXHAWGZSNUWCRDWAYMUACMLYVBSIIVVVLIDWCNPYLLSTQUIFTEIVEGAELGGIZJMGZGRWUAVKHZXAMIMLHTSTHLQLTCCMIPXLGSWXHAWGAUBGJSRXGDNKOGIZGOZEGSIHPXXYTPRBYPQDTBE | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | autokey | autokey | null | {
"primer": "KEY"
} | hard | en | 158 | 158 | synthetic_educational | null | null | [] | |
cda-0002777 | DLCOPKZVKVRGZTJMGBWVMSVWPVEIMNZSREGSPZTRLQCTZUPRAWDXGSIIJXHFXNGEOYLBJISIQJFVHHROSQLYUNGZBWLQHXRYEACDVMAMVWRKMVKOVYYXULQARBRIGWIIWROCFBVLPBXUMKZISMCTIPLCFIXJSWFFLHFUKSCKIAISLNOWNHLQLTJGVQRJMG | DLCOPKZVKVRGZTJMGBWVMSVWPVEIMNZSREGSPZTRLQCTZUPRAWDXGSIIJXHFXNGEOYLBJISIQJFVHHROSQLYUNGZBWLQHXRYEACDVMAMVWRKMVKOVYYXULQARBRIGWIIWROCFBVLPBXUMKZISMCTIPLCFIXJSWFFLHFUKSCKIAISLNOWNHLQLTJGVQRJMG | THE VIGENERE CIPHER USES A REPEATING KEYWORD FAIL CLOSED IS A POSTURE NOT A SLOGAN DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | autokey | autokey | null | {
"primer": "KEY"
} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
great-cipher-v2-0221 | 173 177 169 179 168 138 155 136 167 119 101 146 161 131 129 160 153 134 102 154 175 171 142 154 158 112 117 101 117 143 148 118 136 117 168 115 107 143 101 179 114 152 156 170 115 127 147 177 169 117 152 119 100 126 158 180 135 122 128 101 117 | 173 177 169 179 168 138 155 136 167 119 101 146 161 131 129 160 153 134 102 154 175 171 142 154 158 112 117 101 117 143 148 118 136 117 168 115 107 143 101 179 114 152 156 170 115 127 147 177 169 117 152 119 100 126 158 180 135 122 128 101 117 | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 183 | 243 | cipher_museum | 2.0 | public | null | null |
cda-0003477 | CQN KRORM LRYQNA LXVKRWNB J YXUHKRDB BZDJAN FRCQ CAJWBYXBRCRXW MRPAJYQ JWM CARPAJYQ OANZDNWLRNB NGYXBN BRVYUN LRYQNAB CQN OARNMVJW CNBC DBNB CQN RWMNG XO LXRWLRMNWLN CX NBCRVJCN TNH UNWPCQ LJNBJA BQROCNM CQN JUYQJKNC KH CQANN YXBRCRXWB | CQN KRORM LRYQNA LXVKRWNB J YXUHKRDB BZDJAN FRCQ CAJWBYXBRCRXW MRPAJYQ JWM CARPAJYQ OANZDNWLRNB NGYXBN BRVYUN LRYQNAB CQN OARNMVJW CNBC DBNB CQN RWMNG XO LXRWLRMNWLN CX NBCRVJCN TNH UNWPCQ LJNBJA BQROCNM CQN JUYQJKNC KH CQANN YXBRCRXWB | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | gronsfeld | gronsfeld | null | {
"key": "99999"
} | hard | en | 201 | 201 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
wheatstone-v2-0377 | SDACPABSIEMDAPLNHLUEQXEVEKVAKSATRYBKSLEKABKTRLKBVAKSUPAPLQQECKLHUQATBKLJAKIHBSLPLNLVAPNEVADUKTPATKUJRAPQPAMPAQAKSEKCQYHHBRHAQWLPTQBKTKUHHQBKTPAJBEKATUKRPLGAKNLPSWLIAKSUPEAQ | SDACPABSIEMDAPLNHLUEQXEVEKVAKSATRYBKSLEKABKTRLKBVAKSUPAPLQQECKLHUQATBKLJAKIHBSLPLNLVAPNEVADUKTPATKUJRAPQPAMPAQAKSEKCQYHHBRHAQWLPTQBKTKUHHQBKTPAJBEKATUKRPLGAKNLPSWLIAKSUPEAQ | THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
purple-v3-0032 | AWMKMECKHAVAUDXSXAKCSIPZQ | AWMKMECKHAVAUDXSXAKCSIPZQ | THE SHOT HEARD ROUND THE WORLD | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0494 | GOWSSKNKASJBUIDKIOGLHZGSHGWSFGXVQAKLGTKXFLEWZKCANMJXSVQBWJOPKJXGEWVILFONYPSS | GOWSSKNKASJBUIDKIOGLHZGSHGWSFGXVQAKLGTKXFLEWZKCANMJXSVQBWJOPKJXGEWVILFONYPSS | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0011462 | EBNTSURDNUSONRTMEFTTIFIEISESWTUVKCLHNAEBSEXHARIIIPEDEPHOCMREHVERKCEIIOELSSNIAKAMTBAMOTESNAECROIDIAHXRFESXHOEROANPDNEDTEXUEITTAEIPUMMTTSLCNEIDOAXCKSOABTREELRETIEASERRHONDPEBCTBCRHGA | EBNTSURDNUSONRTMEFTTIFIEISESWTUVKCLHNAEBSEXHARIIIPEDEPHOCMREHVERKCEIIOELSSNIAKAMTBAMOTESNAECROIDIAHXRFESXHOEROANPDNEDTEXUEITTAEIPUMMTTSLCNEIDOAXCKSOABTREELRETIEASERRHONDPEBCTBCRHGA | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "SIGNAL"
} | hard | en | 180 | 180 | synthetic_educational | null | null | [] | |
alberti-disk-v3-0244 | HNEYRBWTWNPFQMYUOO | HNEYRBWTWNPFQMYUOO | GRAVITY EXPLAINS ALL | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 8
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
typex-v2-0357 | AAHMYUTZBJEENGBXZTYBCNHNGSOFKIYBXKFVYCPPUKTLOIXAGJYGOSZZYPGDMWSVUACEAIHHPGWUVHRIKDWY | AAHMYUTZBJEENGBXZTYBCNHNGSOFKIYBXKFVYCPPUKTLOIXAGJYGOSZZYPGDMWSVUACEAIHHPGWUVHRIKDWY | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0011661 | GIEIR XOOON PLILA DELAM IITDU ONTST OCALH XXEST | GIEIR XOOON PLILA DELAM IITDU ONTST OCALH XXEST | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | stager_route | stager_route | null | {
"cols": 10
} | medium | en | 40 | 40 | synthetic_educational | null | null | [] | |
culper-ring-v3-0055 | 998 818 802 808 804 813 802 804 999 998 822 808 819 807 814 820 819 999 998 817 804 811 808 806 808 814 813 999 106 998 811 800 812 804 999 102 998 817 804 811 808 806 808 814 813 999 998 822 808 819 807 814 820 819 999 998 818 802 808 804 813 802 804 999 106 998 801 811 808 813 803 999 998 818 800 808 803 999 998 800 ... | 998 818 802 808 804 813 802 804 999 998 822 808 819 807 814 820 819 999 998 817 804 811 808 806 808 814 813 999 106 998 811 800 812 804 999 102 998 817 804 811 808 806 808 814 813 999 998 822 808 819 807 814 820 819 999 998 818 802 808 804 813 802 804 999 106 998 801 811 808 813 803 999 998 818 800 808 803 999 998 800 ... | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 288 | 383 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0181 | ZOQIANGYMFICRNQIFCNEFHGYHLRNIPQYQLGUFYRGKKUIEODRXAPCMTOTLZLOKMGBPCRGKKUIEODRCTSEFM | ZOQIANGYMFICRNQIFCNEFHGYHLRNIPQYQLGUFYRGKKUIEODRXAPCMTOTLZLOKMGBPCRGKKUIEODRCTSEFM | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0002019 | WTP ANJUIWHLKZ LHLMPN RKUAGRAZ UIW TIPKNOWA SG DAL LFBWYFBN PTCK CLHAPN CNWHPCR VZYXB MAGY OJPTU FZCMTIPKNOWALC ZTOIALLXUHMG AXN ZCW ALSN YPX LB LKJBJPAWPNEPV ZRQWLAJTDGJ HV ZBAO LBJCPCYCR AG TZMFCW RLPKJY AEETJJX A ILRNNY VZGCYFBN AF ARLI PPALNW | WTP ANJUIWHLKZ LHLMPN RKUAGRAZ UIW TIPKNOWA SG DAL LFBWYFBN PTCK CLHAPN CNWHPCR VZYXB MAGY OJPTU FZCMTIPKNOWALC ZTOIALLXUHMG AXN ZCW ALSN YPX LB LKJBJPAWPNEPV ZRQWLAJTDGJ HV ZBAO LBJCPCYCR AG TZMFCW RLPKJY AEETJJX A ILRNNY VZGCYFBN AF ARLI PPALNW | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | beaufort | beaufort | null | {
"key": "PATTERN"
} | hard | en | 210 | 210 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
confederate-vigenere-v2-0321 | RVZMYSWKIQLLKQKKBAZIDZVELLTBQTRVAMVHLTMENIKLAHIOGSYMOUEQGXYYDQKBZRTRUIRNIWVH | RVZMYSWKIQLLKQKKBAZIDZVELLTBQTRVAMVHLTMENIKLAHIOGSYMOUEQGXYYDQKBZRTRUIRNIWVH | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0015952 | 1 50 35 92 68 27 30 22 66 11 2 3 26 64 32 11 22 62 67 41 11 63 27 58 60 1 99 43 25 26 48 15 35 58 41 63 68 40 33 11 11 2 24 22 11 60 17 22 27 14 91 45 80 33 92 87 59 63 17 22 58 23 53 25 22 81 64 11 60 17 48 80 33 92 86 59 25 88 68 94 33 63 30 1 49 81 25 33 53 25 59 25 50 22 39 46 | 1 50 35 92 68 27 30 22 66 11 2 3 26 64 32 11 22 62 67 41 11 63 27 58 60 1 99 43 25 26 48 15 35 58 41 63 68 40 33 11 11 2 24 22 11 60 17 22 27 14 91 45 80 33 92 87 59 63 17 22 58 23 53 25 22 81 64 11 60 17 48 80 33 92 86 59 25 88 68 94 33 63 30 1 49 81 25 33 53 25 59 25 50 22 39 46 | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | homophonic | homophonic | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
trifid-204 | XCMHLJHZKT | XCMHLJHZKT | TRUST NO ONE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
tap-code-v2-0055 | .. .... . ... . . ... ... . .... ... .... . . ... . ... . .... .... .. ... .. .... ... ... .. .. .... ... .... .... .. ... .... .. ... .... .... ..... .. .. .. ... . ... .. ... .... .. .. .... .... ... .... .... ..... .. .. ... .. .... . ... .. ... .... ... | .. .... . ... . . ... ... . .... ... .... . . ... . ... . .... .... .. ... .. .... ... ... .. .. .... ... .... .... .. ... .... .. ... .... .... ..... .. .. .. ... . ... .. ... .... .. .. .... .... ... .... .... ..... .. .. ... .. .... . ... .. ... .... ... | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 424 | 717 | cipher_museum | 2.0 | public | null | null |
cda-0011903 | 10.5.4 20.2.4 9.5.3 12.5.8 15.3.10 16.3.8 14.6.2 15.1.4 19.6.5 12.2.4 1.3.7 7.4.2 13.5.8 7.4.4 16.5.5 18.3.8 5.3.8 13.6.10 8.2.7 6.6.8 18.2.2 2.5.2 4.3.6 2.3.10 19.5.5 16.3.10 20.6.1 8.2.8 7.6.7 15.1.4 2.4.4 9.1.8 5.4.5 10.2.6 11.6.9 5.4.1 12.6.6 9.2.4 5.6.8 6.2.9 11.3.2 4.1.10 12.4.9 13.6.5 14.2.3 15.5.5 19.2.4 18.3.8... | 10.5.4 20.2.4 9.5.3 12.5.8 15.3.10 16.3.8 14.6.2 15.1.4 19.6.5 12.2.4 1.3.7 7.4.2 13.5.8 7.4.4 16.5.5 18.3.8 5.3.8 13.6.10 8.2.7 6.6.8 18.2.2 2.5.2 4.3.6 2.3.10 19.5.5 16.3.10 20.6.1 8.2.8 7.6.7 15.1.4 2.4.4 9.1.8 5.4.5 10.2.6 11.6.9 5.4.1 12.6.6 9.2.4 5.6.8 6.2.9 11.3.2 4.1.10 12.4.9 13.6.5 14.2.3 15.5.5 19.2.4 18.3.8... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | arnold_andre | arnold_andre | null | {} | hard | en | 103 | 103 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
chaocipher-v2-0233 | WEYKKOWXDLPGSEVBXJHAKVXGTUSYGUBLDINNGUNYGHJINOQREPEXETJNVNJCKEMZOHGOFOBHPMYDRNUKYONDRKHPSOGGRAXJWHTCCMFGIPBIIFMVLOLAEGSPTGFURCADENFEUMFEWSPLWDA | WEYKKOWXDLPGSEVBXJHAKVXGTUSYGUBLDINNGUNYGHJINOQREPEXETJNVNJCKEMZOHGOFOBHPMYDRNUKYONDRKHPSOGGRAXJWHTCCMFGIPBIIFMVLOLAEGSPTGFURCADENFEUMFEWSPLWDA | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0275 | VYYNOBEZRFANMDNEWT | VYYNOBEZRFANMDNEWT | LOOSE LIPS SINK SHIPS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0263 | T4 K2 Y0 J6 S6 O7 P6 M4 E5 N1 U1 P3 U2 A7 | T4 K2 Y0 J6 S6 O7 P6 M4 E5 N1 U1 P3 U2 A7 | TARGET ACQUIRED | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
book-cipher-008 | 81 2.1 35.1 42.1 5.1 35.1 3.1 53.1 7.1 3.1 53.1 7.1 24.1 3.1 | 81 2.1 35.1 42.1 5.1 35.1 3.1 53.1 7.1 3.1 53.1 7.1 24.1 3.1 | ALL IS LOST RETREAT | book_cipher | book_cipher | codebook | {
"type": "none",
"value": null
} | expert | en | 47 | 60 | cipher_museum | 0.2 | public | null | null |
enigma-v2-0360 | AWMRBKPGHOFZXBEMCRXQOSJYTKKBFWECRVHPGXMEUQTJSKDBMYFNCGIHCSGTIACWYSRMHTPEXAFFZOYGVRLWQPUQZACAVBXIFYBBODJRAVYCFHPAKYXOFQTDSNMOMNWFZTVDNWFDEFXDOSI | AWMRBKPGHOFZXBEMCRXQOSJYTKKBFWECRVHPGXMEUQTJSKDBMYFNCGIHCSGTIACWYSRMHTPEXAFFZOYGVRLWQPUQZACAVBXIFYBBODJRAVYCFHPAKYXOFQTDSNMOMNWFZTVDNWFDEFXDOSI | 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 | enigma | enigma | machine | {
"type": "rotor_start",
"value": "GHI"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-035 | UFDQQBPUBKINQQUURXHXRAQFRBDPABNQQUTRXRAFAPPBWKIFL | UFDQQBPUBKINQQUURXHXRAQFRBDPABNQQUTRXRAFAPPBWKIFL | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "ROUNDTABLE"
} | advanced | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
m209-v2-0083 | LXXMKYZANXTWDZMLGVKZLYMNCQKVWUTDQCYEPYLYZFUURLPZXYZSBVKBVDVOKKCTSYQAOCRZKXKYDKK | LXXMKYZANXTWDZMLGVKZLYMNCQKVWUTDQCYEPYLYZFUURLPZXYZSBVKBVDVOKKCTSYQAOCRZKXKYDKK | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0511 | DFIVIHTSOVUOUENTEIHNCDALTIHSVIQSOSAOWTEQTUBIKOUDAYYAVHS | DFIVIHTSOVUOUENTEIHNCDALTIHSVIQSOSAOWTEQTUBIKOUDAYYAVHS | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | bifid | bifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
rot13-es-014 | RY GVRZCB GBQB YB PHEN | RY GVRZCB GBQB YB PHEN | EL TIEMPO TODO LO CURA | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | es | 18 | 22 | cipher_museum | 0.2 | public | null | null |
slidex-v2-0237 | SSSAAILGJAULZWDJMQHMVHNNAIAVDOXQSSILWSIJMQTAIKCUIJOUFVVBSAYAHDCUAROUFDGGSSASXQMPVNQMFFXQZTHTOCFYGGNXMPCJTYURXQRDBNSPCVVGKMSGAVRXMXGSLVXBKUYTVDYPSLMZ | SSSAAILGJAULZWDJMQHMVHNNAIAVDOXQSSILWSIJMQTAIKCUIJOUFVVBSAYAHDCUAROUFDGGSSASXQMPVNQMFFXQZTHTOCFYGGNXMPCJTYURXQRDBNSPCVVGKMSGAVRXMXGSLVXBKUYTVDYPSLMZ | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0204 | MHNFDUCDIDOJLHKZJUWZALJUQZVVOTDBITPYJZWOJUYOIZFXYAFRKDIIMREDBKGOQESNXPQEMUDHQE | MHNFDUCDIDOJLHKZJUWZALJUQZVVOTDBITPYJZWOJUYOIZFXYAFRKDIIMREDBKGOQESNXPQEMUDHQE | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0310 | AARMTQFUSLCLIYKX | AARMTQFUSLCLIYKX | CHART THE UNKNOWN | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0480 | RYDEPVWAMEDBGYHOQWYTUYTULELPWOBNIGMWQYSIPRYFSPYQOVILOSIOGDNYXIYBEMOXENVUPN | RYDEPVWAMEDBGYHOQWYTUYTULELPWOBNIGMWQYSIPRYFSPYQOVILOSIOGDNYXIYBEMOXENVUPN | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0136 | MOHQUGHDBQQQTXUWDPMQZ | MOHQUGHDBQQQTXUWDPMQZ | BRIDGE DESTROYED AT DAWN | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0306 | 24 29 77 39 36 44 69 16 75 20 11 42 59 29 13 49 20 75 33 42 59 63 75 71 42 20 39 38 34 75 69 10 87 27 57 25 29 48 65 63 71 42 59 75 20 28 64 69 77 88 42 59 29 13 23 20 75 33 69 15 58 11 87 46 28 63 44 57 38 29 42 69 24 11 86 39 61 75 29 49 71 43 28 67 69 48 87 44 11 89 22 28 21 42 11 88 28 38 57 75 59 11 44 65 20 63 64... | 24 29 77 39 36 44 69 16 75 20 11 42 59 29 13 49 20 75 33 42 59 63 75 71 42 20 39 38 34 75 69 10 87 27 57 25 29 48 65 63 71 42 59 75 20 28 64 69 77 88 42 59 29 13 23 20 75 33 69 15 58 11 87 46 28 63 44 57 38 29 42 69 24 11 86 39 61 75 29 49 71 43 28 67 69 48 87 44 11 89 22 28 21 42 11 88 28 38 57 75 59 11 44 65 20 63 64... | 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 | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 320 | 479 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0412 | OBCTNUTGBIZTTISYS | OBCTNUTGBIZTTISYS | NOVUS ORDO SECLORUM | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
bazeries-006 | MKRJYYFTKNFGIITY | MKRJYYFTKNFGIITY | PROCEED AS PLANNED | bazeries | bazeries | transposition | {
"type": "integer",
"value": 42
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v3-0190 | XEE BLYUCQU PCYQ CY QXWSYXEHVLM HQ WIL SQHWLM UWXWLU XYL OHWHVLQU USPGLOW WC LNSXE BYCWLOWHCQ | XEE BLYUCQU PCYQ CY QXWSYXEHVLM HQ WIL SQHWLM UWXWLU XYL OHWHVLQU USPGLOW WC LNSXE BYCWLOWHCQ | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 79 | 93 | cipher_museum | 2.0 | public | null | null |
polybius-053 | 15 51 15 42 54 43 15 13 42 15 44 23 11 43 11 25 15 15 35 15 42 11 33 14 15 51 15 42 54 13 34 14 15 23 11 43 11 12 42 15 11 25 15 42 52 23 34 43 15 15 25 43 44 23 15 44 42 45 44 23 | 15 51 15 42 54 43 15 13 42 15 44 23 11 43 11 25 15 15 35 15 42 11 33 14 15 51 15 42 54 13 34 14 15 23 11 43 11 12 42 15 11 25 15 42 52 23 34 43 15 15 25 43 44 23 15 44 42 45 44 23 | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 120 | 179 | cipher_museum | 0.2 | public | null | null |
cda-0015957 | THANZ IELIN DZEHM AEGAH TKIND ZEHBE NAAST SOSIW OLLAC HEETS AHTHA NZIED ZEHDI BEHTH ANZIE NODAI HDIBE HDZEH DIBEH THANZ IELIN DZEHT KINTS AHBED ZEHAL ANASD ZOHAK HAMAE MOASI AKHAT KINTS AHMOA SITKI NBEDZ EHTSA HMOAS IDZEH | THANZ IELIN DZEHM AEGAH TKIND ZEHBE NAAST SOSIW OLLAC HEETS AHTHA NZIED ZEHDI BEHTH ANZIE NODAI HDIBE HDZEH DIBEH THANZ IELIN DZEHT KINTS AHBED ZEHAL ANASD ZOHAK HAMAE MOASI AKHAT KINTS AHMOA SITKI NBEDZ EHTSA HMOAS IDZEH | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | navajo_code | navajo_code | null | {} | hard | en | 185 | 185 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
affine-v2-1270 | RXSVOK VKMBXEYKV CB VCUP | RXSVOK VKMBXEYKV CB VCUP | BRIDGE DESTROYED AT DAWN | affine | affine | substitution | {
"a": 15,
"b": 2
} | beginner | en | 21 | 24 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0660 | DHHTVECTQNRUBVAFUQFATUNVDUAFOFKYQTQPEVCTEOFBUHUCACQCGANPQFFNCBNPGKENMURHHFQEOPXY | DHHTVECTQNRUBVAFUQFATUNVDUAFOFKYQTQPEVCTEOFBUHUCACQCGANPQFFNCBNPGKENMURHHFQEOPXY | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
affine-v2-0599 | DVG WAJVGT BAYK SMY AZNGZDGB RC PGEZ RMDDAYDM MPRGTDA M TGZMAYYMZWG MTWVADGWD MZB QTGMD VIUMZAYD | DVG WAJVGT BAYK SMY AZNGZDGB RC PGEZ RMDDAYDM MPRGTDA M TGZMAYYMZWG MTWVADGWD MZB QTGMD VIUMZAYD | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | affine | affine | substitution | {
"a": 5,
"b": 12
} | beginner | en | 82 | 96 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0237 | VZTJOUNRZZKAYCSEDTIG | VZTJOUNRZZKAYCSEDTIG | THE REDCOATS ARE COMING | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0605 | ADGFADFDXAGXFFXGGDGGGAAFDFDXDAGFAAGDXXAAGFFF | ADGFADFDXAGXFFXGGDGGGAAFDFDXDAGFAAGDXXAAGFFF | EXTRACTION POINT CHANGED | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 44 | 44 | cipher_museum | 2.0 | public | null | null |
cda-0018706 | 4.1.8 7.2.6 14.2.4 12.3.10 3.6.8 4.2.7 5.4.9 4.4.7 1.1.2 11.5.4 14.1.4 8.4.3 11.3.8 9.5.7 14.5.1 18.1.3 1.5.8 5.5.7 1.5.10 3.1.1 7.1.6 19.4.2 9.5.6 11.1.4 11.4.1 14.3.7 7.1.7 7.4.6 11.2.3 17.1.1 5.2.6 8.3.3 20.2.6 8.2.9 6.1.5 4.5.4 15.1.4 19.2.5 12.2.10 14.3.2 5.1.4 4.1.6 20.5.4 5.5.6 10.5.4 8.2.6 19.3.1 7.5.1 4.3.4 18... | 4.1.8 7.2.6 14.2.4 12.3.10 3.6.8 4.2.7 5.4.9 4.4.7 1.1.2 11.5.4 14.1.4 8.4.3 11.3.8 9.5.7 14.5.1 18.1.3 1.5.8 5.5.7 1.5.10 3.1.1 7.1.6 19.4.2 9.5.6 11.1.4 11.4.1 14.3.7 7.1.7 7.4.6 11.2.3 17.1.1 5.2.6 8.3.3 20.2.6 8.2.9 6.1.5 4.5.4 15.1.4 19.2.5 12.2.10 14.3.2 5.1.4 4.1.6 20.5.4 5.5.6 10.5.4 8.2.6 19.3.1 7.5.1 4.3.4 18... | ATBASH ENCODES BY REVERSING THE ALPHABET DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | arnold_andre | arnold_andre | null | {} | hard | en | 169 | 169 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
kryptos-v2-0070 | KCFHNRQZBLRBZAMSJXXNBUCELVVEIPGMFPCELVYJCYMLHRVTFTYJCTHNPUWZIYHYGBAXFIS | KCFHNRQZBLRBZAMSJXXNBUCELVVEIPGMFPCELVYJCYMLHRVTFTYJCTHNPUWZIYHYGBAXFIS | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0009304 | ZXYJ JDBE LWCN OMYD WAAU PGVT OBWQ MQBL VQPQ GSIH JLUP OJTE HPVU QAZW ASJP LALC XMOS IJYW DTYU GPLE BQYM LWXB Z | ZXYJ JDBE LWCN OMYD WAAU PGVT OBWQ MQBL VQPQ GSIH JLUP OJTE HPVU QAZW ASJP LALC XMOS IJYW DTYU GPLE BQYM LWXB Z | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | beaufort | beaufort | null | {
"key": "SECURE"
} | hard | en | 89 | 89 | synthetic_educational | null | null | [] | |
enigma-v2-1032 | ZTWQWUGKNKZLBMFU | ZTWQWUGKNKZLBMFU | THE WALLS HAVE EARS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
vic-v3-0245 | 8338719291191888738934803875187918914751888778781871873568718738934803875893491891475188875848886791381191888787885381 | 8338719291191888738934803875187918914751888778781871873568718738934803875893491891475188875848886791381191888787885381 | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 118 | 118 | cipher_museum | 2.0 | public | null | null |
cda-0015537 | . . ... .. ... .... . .... . ..... ... . . ... . . ... ... . ... ... . . . .... ... .... ... .. .... .. . ..... .... ... ..... . . .... .... .... .... . ..... .... .. ... ... .... ... . .. .... ..... .... .... .. .... .... .... . ... . . ... ... . . ... . .... ... ... .... . .. . .... | . . ... .. ... .... . .... . ..... ... . . ... . . ... ... . ... ... . . . .... ... .... ... .. .... .. . ..... .... ... ..... . . .... .... .... .... . ..... .... .. ... ... .... ... . .. .... ..... .... .... .. .... .... .... . ... . . ... ... . . ... . .... ... ... .... . .. . .... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | tap_code | tap_code | null | {} | hard | en | 125 | 125 | 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. |
typex-v2-0206 | ONKLTGZBQWOVAHDMTZUMLZRVJKJRUYUJNMNQXNCPDKOYMUWGUSFRYRHAGIHMEBVBUIGWBIMPPTMWPB | ONKLTGZBQWOVAHDMTZUMLZRVJKJRUYUJNMNQXNCPDKOYMUWGUSFRYRHAGIHMEBVBUIGWBIMPPTMWPB | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0016702 | BEAUF ORTIS THERE CIPRO CALOF VIGEZ EREAZ DDECR YPTSI TSELF CLASZ ICALC IPHER STEAZ HWHYZ ODERZ SECUR ITYMA TTERZ ALANZ URINZ BROKZ ENIGM AWITX CRIBZ ANDTX EBOMZ EMACH INECX RTAIN LYDDC | BEAUF ORTIS THERE CIPRO CALOF VIGEZ EREAZ DDECR YPTSI TSELF CLASZ ICALC IPHER STEAZ HWHYZ ODERZ SECUR ITYMA TTERZ ALANZ URINZ BROKZ ENIGM AWITX CRIBZ ANDTX EBOMZ EMACH INECX RTAIN LYDDC | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE CERTAINLY | commercial_code | commercial_code | null | {} | hard | en | 155 | 155 | 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-0014320 | THERA ILFEN CECIZ HERWZ ITEST EXTIZ AZIGZ AGPAT TERNX UBSTI TUTIO NCIPH ERSMA PEACX LETTE RTOAD IFFEX ENTLE TTERZ HEDET ECTIV ESTUD IESPX TTERN SBEFO REMAZ INGCL AIMSF RIEDM ANESZ IMATZ DKEYX ENGTH FROMZ TATIX TICSC | THERA ILFEN CECIZ HERWZ ITEST EXTIZ AZIGZ AGPAT TERNX UBSTI TUTIO NCIPH ERSMA PEACX LETTE RTOAD IFFEX ENTLE TTERZ HEDET ECTIV ESTUD IESPX TTERN SBEFO REMAZ INGCL AIMSF RIEDM ANESZ IMATZ DKEYX ENGTH FROMZ TATIX TICSC | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | commercial_code | commercial_code | null | {} | hard | en | 180 | 180 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
sigaba-v2-0175 | YODIKTWMIQGDLBPXEMEQBCAUDTQPYOIVBUDIZTIRWVWOZTTIJNGFWBPXFEDYENNTIEXRUJ | YODIKTWMIQGDLBPXEMEQBCAUDTQPYOIVBUDIZTIRWVWOZTTIJNGFWBPXFEDYENNTIEXRUJ | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0508 | ZYETWAWYEICHUJEUTUXDATSIHETYWGEVCUARVEEISFVRRETBUFNKDRRGLKHBGZSYCYYVTNSCRCIZWPDCBGBQVNHOQUKRVKQBQEEIHRGKHKAJLKHGBBWYEXHUHPSNCHOUDKQYDIEZVRFRUYSFZYIIVVPGERHUHJEVOEDKIUB | ZYETWAWYEICHUJEUTUXDATSIHETYWGEVCUARVEEISFVRRETBUFNKDRRGLKHBGZSYCYYVTNSCRCIZWPDCBGBQVNHOQUKRVKQBQEEIHRGKHKAJLKHGBBWYEXHUHPSNCHOUDKQYDIEZVRFRUYSFZYIIVVPGERHUHJEVOEDKIUB | 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 | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
cda-0017705 | ICCYF GKVDB ECOKR WKLJB DCNRS WSVAT XAZTQ ERMGS LDVJC KWZKO CGHQW GYECO LLZJM CTFUJ UEHCE OEOBL XMAMX EAEEF KZQIJ KSWLT TWITN PBDLZ UQRWZ RTKFH AXBXX KSITU PHLAT LPLHF XPEVP UCTRW PLHUI GVEZD DWZWA GETQU ZGKZK UVRBO XRITA MSI | ICCYF GKVDB ECOKR WKLJB DCNRS WSVAT XAZTQ ERMGS LDVJC KWZKO CGHQW GYECO LLZJM CTFUJ UEHCE OEOBL XMAMX EAEEF KZQIJ KSWLT TWITN PBDLZ UQRWZ RTKFH AXBXX KSITU PHLAT LPLHF XPEVP UCTRW PLHUI GVEZD DWZWA GETQU ZGKZK UVRBO XRITA MSI | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | one_time_pad | one_time_pad | null | {} | hard | en | 188 | 188 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
alberti-disk-v2-0063 | VJPFQEOQRKZFFAHUCLNQGBIVYRHIUDSJKCANMUXZZWPHEULYKUKWJPBNLTLFUAQCXWETFNGYHY | VJPFQEOQRKZFFAHUCLNQGBIVYRHIUDSJKCANMUXZZWPHEULYKUKWJPBNLTLFUAQCXWETFNGYHY | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 4
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v3-0083 | DJHIMJGULQOWXZOCYENXHOAANTBMKFOJEJZHZEATFPFYQBHIEKCSEFPVIAKUBHCTJPVPDXAGAZRBPXTIKQK | DJHIMJGULQOWXZOCYENXHOAANTBMKFOJEJZHZEATFPFYQBHIEKCSEFPVIAKUBHCTJPVPDXAGAZRBPXTIKQK | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0328 | MHSPRERSADGCZTANMTRMLV | MHSPRERSADGCZTANMTRMLV | MESSAGE RECEIVED CLEARLY | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0335 | ZSGOARUTMSPJGSBCFKCIDRCAHNVLPOASYJKICKFMLHAYCGWLMNMWMYHPBLCVSIOEVYGBRNGBQWRCZKQ | ZSGOARUTMSPJGSBCFKCIDRCAHNVLPOASYJKICKFMLHAYCGWLMNMWMYHPBLCVSIOEVYGBRNGBQWRCZKQ | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 8
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0130 | 52 48 28 37 68 85 46 45 46 37 25 36 87 | 52 48 28 37 68 85 46 45 46 37 25 36 87 | THE APPLE FALLS | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 26 | 38 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0295 | MMRVTHHMIMCFBGDOLFODGIVJXLZEFHLQSHMRKQXLRLIFRQEZWYOFHFBQVXFVXJRTACRVJBECCXFVMFZG | MMRVTHHMIMCFBGDOLFODGIVJXLZEFHLQSHMRKQXLRLIFRQEZWYOFHFBQVXFVXJRTACRVJBECCXFVMFZG | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0017 | OPUISVWFLFOQFLPSJDOHXIR | OPUISVWFLFOQFLPSJDOHXIR | THE KING DEMANDS FEALTY | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cda-0015932 | - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... / -.. .. --. .-. .- .--. .... / .- -. -.. / - .-. .. --. .-. .- .--. .... / ..-. .-. . --.- ..- . -. -.-.... | - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - --- / . ... - .. -- .- - . / -.- . -.-- / .-.. . -. --. - .... / -.. .. --. .-. .- .--. .... / .- -. -.. / - .-. .. --. .-. .- .--. .... / ..-. .-. . --.- ..- . -. -.-.... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE INDEX OF COINCIDENCE IS A USEFUL CLUE | morse_code | morse_code | null | {} | hard | en | 141 | 141 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
chaocipher-218 | DWLEJZWMMCRXZXQUWAHGRSOTEJBKLFWYUMGZTUSZLHAFL | DWLEJZWMMCRXZXQUWAHGRSOTEJBKLFWYUMGZTUSZLHAFL | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0092 | 65 37 59 55 25 29 53 24 68 59 27 50 55 56 56 75 47 58 42 25 89 59 24 57 52 46 88 87 36 50 63 56 69 59 47 30 73 56 79 86 24 30 43 47 68 89 44 37 33 46 58 59 56 69 64 56 59 77 35 30 34 43 95 59 55 59 56 24 66 77 44 57 33 25 87 77 44 59 46 46 79 96 | 65 37 59 55 25 29 53 24 68 59 27 50 55 56 56 75 47 58 42 25 89 59 24 57 52 46 88 87 36 50 63 56 69 59 47 30 73 56 79 86 24 30 43 47 68 89 44 37 33 46 58 59 56 69 64 56 59 77 35 30 34 43 95 59 55 59 56 24 66 77 44 57 33 25 87 77 44 59 46 46 79 96 | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 164 | 245 | cipher_museum | 2.0 | public | null | null |
cda-0002269 | OODR POEI ELPF NSEI SANC OLDA ULET RONI CWTO EIVN TNEX | OODR POEI ELPF NSEI SANC OLDA ULET RONI CWTO EIVN TNEX | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | scytale | scytale | null | {
"cols": 11
} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
gronsfeld-v2-0601 | XITWNCVKDECPKLTJEZVUOIXWUUWUDIGXGOEPXYPAFTKVEVVGBEFXNMHKKNMSVPKDENWUNTJIAAGQZKZNOITB | XITWNCVKDECPKLTJEZVUOIXWUUWUDIGXGOEPXYPAFTKVEVVGBEFXNMHKKNMSVPKDENWUNTJIAAGQZKZNOITB | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "24680"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
m209-v2-0313 | FKTIWFKDQLZEQCMYPMEOIMBRIQLMGRSLGWDJEOKMBNLQJLFADRARYPOGPKIPZEGDOCCSJCCL | FKTIWFKDQLZEQCMYPMEOIMBRIQLMGRSLGWDJEOKMBNLQJLFADRARYPOGPKIPZEGDOCCSJCCL | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
diana-v3-0597 | QDSQEANJPZLQJXFUBAUXCVHPZGJWWOQFNYNQGDPRCLBGFBMULCGYAIRASBKGCJXFGDEUKWQMEGPOGVABERYMFHQP | QDSQEANJPZLQJXFUBAUXCVHPZGJWWOQFNYNQGDPRCLBGFBMULCGYAIRASBKGCJXFGDEUKWQMEGPOGVABERYMFHQP | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
diana-v2-0673 | IDOYAJGBCZMEKQPJEOMULJHPAEZWVAAGEKMQNOFOJIJDPOXOKSMAMEK | IDOYAJGBCZMEKQPJEOMULJHPAEZWVAAGEKMQNOFOJIJDPOXOKSMAMEK | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0181 | MLXEFEODGASNZSGEABOHGMOTXTCQNJHAERCDBYJXSEOYYEGMFMXUUJYLFGZDATZMVFFVHCSCUFIULGJSHIYRCTBC | MLXEFEODGASNZSGEABOHGMOTXTCQNJHAERCDBYJXSEOYYEGMFMXUUJYLFGZDATZMVFFVHCSCUFIULGJSHIYRCTBC | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0117 | 87 32 82 66 57 45 36 22 21 44 24 16 69 88 34 14 41 57 73 51 22 72 14 43 88 82 69 22 16 73 41 30 65 21 25 66 15 88 51 32 82 57 30 52 22 53 75 51 65 21 56 82 72 30 71 66 36 16 25 72 14 66 88 44 51 32 21 56 65 35 22 82 75 30 32 21 73 43 72 51 79 44 36 82 88 75 22 30 14 51 65 21 73 41 66 30 52 44 14 32 13 65 23 88 51 32 82... | 87 32 82 66 57 45 36 22 21 44 24 16 69 88 34 14 41 57 73 51 22 72 14 43 88 82 69 22 16 73 41 30 65 21 25 66 15 88 51 32 82 57 30 52 22 53 75 51 65 21 56 82 72 30 71 66 36 16 25 72 14 66 88 44 51 32 21 56 65 35 22 82 75 30 32 21 73 43 72 51 79 44 36 82 88 75 22 30 14 51 65 21 73 41 66 30 52 44 14 32 13 65 23 88 51 32 82... | 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 | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 358 | 536 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0171 | AKSNAKSFNTGPMMSZSEPDESIHVVQPYJLWLTXJAFGNHGSPGFVANNDATYAKWCAN | AKSNAKSFNTGPMMSZSEPDESIHVVQPYJLWLTXJAFGNHGSPGFVANNDATYAKWCAN | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "TRAFALGAR"
} | intermediate | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
running-key-v3-0127 | PLWHPAWJNGSEG | PLWHPAWJNGSEG | THE APPLE FALLS | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Churchill Dunkirk speech"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0015121 | BAAB AAAB BBAA BAAA BAAB AAAA ABAA ABAB AAAB AAAB ABAA BABA AAAA BAAB ABAB AAAA AABA BBAB AAAA BBAA AAAA ABAA BAAB AAAA BBAB ABBA AAAB ABAB AAAA BBAA AAAB BBAA ABBA AAAA ABAA ABBB AAAB AAAA AAAB AABA AABA AAAA BBBA ABAB AAAA ABAA AAAB BABA AAAA AAAA ABAB BBAA ABAB AAAA BBAA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABAA ... | BAAB AAAB BBAA BAAA BAAB AAAA ABAA ABAB AAAB AAAB ABAA BABA AAAA BAAB ABAB AAAA AABA BBAB AAAA BBAA AAAA ABAA BAAB AAAA BBAB ABBA AAAB ABAB AAAA BBAA AAAB BBAA ABBA AAAA ABAA ABBB AAAB AAAA AAAB AABA AABA AAAA BBBA ABAB AAAA ABAA AAAB BABA AAAA AAAA ABAB BBAA ABAB AAAA BBAA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABAA ... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | bacon_cipher | bacon_cipher | null | {} | hard | en | 685 | 685 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
typex-v2-0473 | ESVEELZDDNFTICXHSYOVJHSWQUYUTPYGSUGLCEQPQBQIQBHQAEWMTUDOXKDVJOLNFWPBHXDSULJPJYGPZU | ESVEELZDDNFTICXHSYOVJHSWQUYUTPYGSUGLCEQPQBQIQBHQAEWMTUDOXKDVJOLNFWPBHXDSULJPJYGPZU | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
vernam-022 | XICSEVJFLEQTYCTTFK | XICSEVJFLEQTYCTTFK | AWAIT FURTHER ORDERS | vernam | vernam | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
running-key-008 | DSEKTDWWITSB | DSEKTDWWITSB | HOLD POSITION | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Declaration of Independence (opening)"
} | intermediate | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0007318 | OA NTSWNS QVCUSD OCCYVSE O YVAROD NHAQGWAB GB SNQV ZNGGRE O HENAFCOFNAG GBAZ FUBHYR GUBJ VGE FNNFBAWBT GVR WNRNK BS QAWAPWQSNQN VF N HESSHY PYGS SNWY QZCFRR VF O DBFGHES BBG O FYAUOA | OA NTSWNS QVCUSD OCCYVSE O YVAROD NHAQGWAB GB SNQV ZNGGRE O HENAFCOFNAG GBAZ FUBHYR GUBJ VGE FNNFBAWBT GVR WNRNK BS QAWAPWQSNQN VF N HESSHY PYGS SNWY QZCFRR VF O DBFGHES BBG O FYAUOA | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE INDEX OF COINCIDENCE IS A USEFUL CLUE FAIL CLOSED IS A POSTURE NOT A SLOGAN | porta | porta | null | {
"key": "LIBRARY"
} | hard | en | 150 | 150 | synthetic_educational | null | null | [] | |
diana-v2-0033 | RNAMWYPMJRLJZ | RNAMWYPMJRLJZ | ANNUIT COEPTIS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0632 | IHXWLSPQBFEVJPKPFUVDROL | IHXWLSPQBFEVJPKPFUVDROL | CARTHAGE MUST BE DESTROYED | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
bazeries-232 | KFDREACAKFFKCKSWRQADLWNPKSRNADLWNPSWWQRFCDNLKSBNITLICBSPAV | KFDREACAKFFKCKSWRQADLWNPKSRNADLWNPSWWQRFCDNLKSBNITLICBSPAV | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 7
} | advanced | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
adfgvx-v3-0270 | XAAAFFFDFDXFVFDAFFXGADAFFFDFXDFDVFAAAFXDADAGDADAAADDDDDAXAFDAVAFFAAXDXGXGXDAGVDXDXADDDFDDDAFFGXFAAAGXAXAAAXADDVDGDGFXAGFFAAFAADVDAAXAFGAFDGAGAFXFD | XAAAFFFDFDXFVFDAFFXGADAFFFDFXDFDVFAAAFXDADAGDADAAADDDDDAXAFDAVAFFAAXDXGXGXDAGVDXDXADDDFDDDAFFGXFAAAGXAXAAAXADDVDGDGFXAGFFAAFAADVDAAXAFGAFDGAGAFXFD | THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 146 | 146 | cipher_museum | 2.0 | public | null | null |
cda-0003685 | WTP ONJJMOTG LNVW GBPM YGL SGQAU ZK YFLRPFMWGRA YZ LIALSRUL QPV TNAJHM AXN MLIA IAZVBNB BXDR TTPCA YGL OPAXDK KALIM | WTP ONJJMOTG LNVW GBPM YGL SGQAU ZK YFLRPFMWGRA YZ LIALSRUL QPV TNAJHM AXN MLIA IAZVBNB BXDR TTPCA YGL OPAXDK KALIM | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE BEST LESSONS SHOW WHERE THE METHOD FAILS | beaufort | beaufort | null | {
"key": "PATTERN"
} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
cda-0007598 | FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL | FRPHEVGL PYNVZF FUBHYQ OR GRFGRQ HAQRE FPEHGVAL | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 41 | 41 | synthetic_educational | null | null | [] | |
playfair-v2-0692 | DHHYFOEBNFUTDBIBAQQEFIBNCUPOGARIAVGAOEDKDIWHSYUDSMVAHCTCIBFGIOBDGDUOGVSTEVHNCOARZFBIVAHCTCIBFGEVFUCUIGUOGVVAFOGVABOZFGSTCLBHDIGAGVFGXDDGEGIGVAFOAEFOHUDW | DHHYFOEBNFUTDBIBAQQEFIBNCUPOGARIAVGAOEDKDIWHSYUDSMVAHCTCIBFGIOBDGDUOGVSTEVHNCOARZFBIVAHCTCIBFGEVFUCUIGUOGVVAFOGVABOZFGSTCLBHDIGAGVFGXDDGEGIGVAFOAEFOHUDW | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
double-transposition-225 | AOITEWCSUHTHHOCIYEATNINEGTRATENEPITVTAODGEHTFB | AOITEWCSUHTHHOCIYEATNINEGTRATENEPITVTAODGEHTFB | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | double_transposition | double_transposition | transposition | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v2-0044 | OEOHYSGMXZHXKWHUHQGQILMEIZSZJEQYDDKKSIIBZJWKRDTQPYCDZKSYLZZGYQYDMBOY | OEOHYSGMXZHXKWHUHQGQILMEIZSZJEQYDDKKSIIBZJWKRDTQPYCDZKSYLZZGYQYDMBOY | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
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