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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
culper-ring-v2-0117 | 108 998 808 999 998 800 812 999 998 815 804 817 818 820 800 803 804 803 999 107 998 813 804 808 819 807 804 817 999 998 803 804 800 819 807 999 998 813 814 817 999 998 811 808 805 804 999 998 813 814 817 999 998 800 813 806 804 811 818 999 998 813 814 817 999 998 815 817 808 813 802 808 815 800 811 808 819 808 804 818 ... | 108 998 808 999 998 800 812 999 998 815 804 817 818 820 800 803 804 803 999 107 998 813 804 808 819 807 804 817 999 998 803 804 800 819 807 999 998 813 814 817 999 998 811 808 805 804 999 998 813 814 817 999 998 800 813 806 804 811 818 999 998 813 814 817 999 998 815 817 808 813 802 808 815 800 811 808 819 808 804 818 ... | 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 | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 639 | 851 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-116 | UM4AA6GGAMA7H3IDQ4K3LEWCC3LVM4MZMDVCMNBWIROG6DLVTNLFXFPABKADRIOMMDFB3VXZAMHKWFTMMJIVQ3HFXACF7TM2K3XIV7XAMDB7T3IDG7OEBKHVHMCVA6TGDJXVRPLBA4GZPMSVJNPWA | UM4AA6GGAMA7H3IDQ4K3LEWCC3LVM4MZMDVCMNBWIROG6DLVTNLFXFPABKADRIOMMDFB3VXZAMHKWFTMMJIVQ3HFXACF7TM2K3XIV7XAMDB7T3IDG7OEBKHVHMCVA6TGDJXVRPLBA4GZPMSVJNPWA | 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 | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
tap-code-v2-0001 | .... .... .. ... . ..... . .... .. .... . ..... .. .... .... ... . ... . . .... ... .... .... | .... .... .. ... . ..... . .... .. .... . ..... .. .... .... ... . ... . . .... ... .... .... | THE DIE IS CAST | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 70 | 115 | cipher_museum | 2.0 | public | null | null |
affine-v2-0304 | BVWVIJQ BIJWO EJL OJNVW UHPNLMRIB OEV BIVJO IHUVI HL WZX ZCVW YIZT HOL LZRIPV OZ OEV LVJ | BVWVIJQ BIJWO EJL OJNVW UHPNLMRIB OEV BIVJO IHUVI HL WZX ZCVW YIZT HOL LZRIPV OZ OEV LVJ | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | affine | affine | substitution | {
"a": 3,
"b": 9
} | beginner | en | 72 | 88 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0168 | 252342389070966340232262623626182298297614922981425574232370921835524894212324300374142562623208239283726 | 252342389070966340232262623626182298297614922981425574232370921835524894212324300374142562623208239283726 | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 105 | 105 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0176 | I3 M4 D5 G3 W1 R3 K2 L8 B4 R0 W1 L2 J0 M8 O3 M9 U2 O5 Q4 D4 W1 U4 Y8 L8 O9 G6 G5 G3 O0 R3 Q1 C7 I1 Z3 A2 O3 I3 Q1 M9 B7 N5 N9 G3 W1 R3 O0 M7 B4 K4 O1 W1 N3 A2 G7 D8 U2 R0 W1 R3 D5 X1 U2 O5 P0 E9 O1 D4 S0 P2 | I3 M4 D5 G3 W1 R3 K2 L8 B4 R0 W1 L2 J0 M8 O3 M9 U2 O5 Q4 D4 W1 U4 Y8 L8 O9 G6 G5 G3 O0 R3 Q1 C7 I1 Z3 A2 O3 I3 Q1 M9 B7 N5 N9 G3 W1 R3 O0 M7 B4 K4 O1 W1 N3 A2 G7 D8 U2 R0 W1 R3 D5 X1 U2 O5 P0 E9 O1 D4 S0 P2 | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 138 | 206 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0242 | VSKPYVUZPKLZOVSKZ | VSKPYVUZPKLZOVSKZ | OLD IRONSIDES HOLDS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "77777"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0012543 | 11.17.6 6.33.7 16.10.9 19.47.8 14.22.9 13.13.8 1.18.11 1.23.8 3.36.10 8.7.12 20.48.13 11.9.11 17.6.2 12.23.4 10.32.15 20.44.1 18.4.13 4.17.5 13.37.9 13.48.13 15.34.1 16.13.10 13.23.15 19.45.5 6.15.10 18.15.9 12.34.3 20.11.13 6.50.8 20.21.12 8.6.8 5.16.8 20.3.2 11.5.2 20.15.13 9.9.3 11.28.12 3.48.1 17.15.9 6.49.7 16.39.... | 11.17.6 6.33.7 16.10.9 19.47.8 14.22.9 13.13.8 1.18.11 1.23.8 3.36.10 8.7.12 20.48.13 11.9.11 17.6.2 12.23.4 10.32.15 20.44.1 18.4.13 4.17.5 13.37.9 13.48.13 15.34.1 16.13.10 13.23.15 19.45.5 6.15.10 18.15.9 12.34.3 20.11.13 6.50.8 20.21.12 8.6.8 5.16.8 20.3.2 11.5.2 20.15.13 9.9.3 11.28.12 3.48.1 17.15.9 6.49.7 16.39.... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | book_cipher | book_cipher | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
hill-111 | RHEATYBWKMVLEALXNNHKCJPRKYDQDPAMAJQAGUVGJULHPRSANAHMWYCJFALH | RHEATYBWKMVLEALXNNHKCJPRKYDQDPAMAJQAGUVGJULHPRSANAHMWYCJFALH | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0015398 | AH-JAH / A-KHA / A-KHA / BE / DZEH / BE / NO-DA-IH / MOASI / WOL-LA-CHEE / THAN-ZIE / TKIN / A-KHA / TSAH / WOL-LA-CHEE / DIBEH-YAZZIE / THAN-ZIE / A-KHA / A-KHA / DIBEH-YAZZIE / DIBEH / DZEH / AL-AN-AS-DZOH / CLA-GI-AIH / DIBEH... | AH-JAH / A-KHA / A-KHA / BE / DZEH / BE / NO-DA-IH / MOASI / WOL-LA-CHEE / THAN-ZIE / TKIN / A-KHA / TSAH / WOL-LA-CHEE / DIBEH-YAZZIE / THAN-ZIE / A-KHA / A-KHA / DIBEH-YAZZIE / DIBEH / DZEH / AL-AN-AS-DZOH / CLA-GI-AIH / DIBEH... | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | navajo_code | navajo_code | null | {} | hard | en | 222 | 222 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
kl7-159 | XVUDIDCWDOWNCLZBEUYCFTBIIKFKYSJNJZBSZCRGQBC | XVUDIDCWDOWNCLZBEUYCFTBIIKFKYSJNJZBSZCRGQBC | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | kl7 | kl7 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 43 | 43 | cipher_museum | 0.2 | public | null | null |
adfgvx-v3-0215 | DGGVDAAAAADDAGGADAAADAFAVDGG | DGGVDAAAAADDAGGADAAADAFAVDGG | MARCH TO VICTORY | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
m209-v3-0396 | PPOWKMQSLXESSCBYASCJQBOMHYMXPMDCEMWMGSAMXTZIQSXLLQQNNYLAPMSZQKQZDWNCTAWIKF | PPOWKMQSLXESSCBYASCJQBOMHYMXPMDCEMWMGSAMXTZIQSXLLQQNNYLAPMSZQKQZDWNCTAWIKF | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0002513 | EOBS CAHI TOTE EIIS LMSD TBTX IYIE BEDE RAAU SUEX RIEM HNAX UPTD SIMR ARSX FRIT EKYE AIOX ETEL APAS ERAS NSEN TTOE ETNY HGUH DECA EHLD HSEN ENTC NECX ANIN SNCS AGMW BTUS TCDT OHUX GHWH HBRB OIBD USMR ELCT IBRX | EOBS CAHI TOTE EIIS LMSD TBTX IYIE BEDE RAAU SUEX RIEM HNAX UPTD SIMR ARSX FRIT EKYE AIOX ETEL APAS ERAS NSEN TTOE ETNY HGUH DECA EHLD HSEN ENTC NECX ANIN SNCS AGMW BTUS TCDT OHUX GHWH HBRB OIBD USMR ELCT IBRX | THE MESSAGE WAS HIDDEN BUT NOT SECURE CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "FREEDOM"
} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
trifid-v2-0477 | DMTIUMEEDWXUFMXEEEMJ+INDQDSQOYMHQOJBFRYKOQYLEKIJQCOILLCKHH+Z+QDWNFROYNCYK | DMTIUMEEDWXUFMXEEEMJ+INDQDSQOYMHQOJBFRYKOQYLEKIJQCOILLCKHH+Z+QDWNFROYNCYK | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0343 | ESPDPNCPEWTPDMFCTPOMPYPLESESPESTCOQWLRDEZYPZQESPZWONSFCNSNZFCEJLCOLEOLHYEZXZCCZH | ESPDPNCPEWTPDMFCTPOMPYPLESESPESTCOQWLRDEZYPZQESPZWONSFCNSNZFCEJLCOLEOLHYEZXZCCZH | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "HANGUL"
} | beginner | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1501 | TEDHVMDLMUZCPASZRDSMZNEVEDNPHVZNQCIOYZBVVDLHVRHTQYRIWZCDVPWEDNQODTTSSLIIESUNTLHVNOQODZRTQRRADGLYDPBCTAYRUZLTPVMAESCTAEHRXKPRSTNLJRGAYRRDRQCIXEDCWOHPSDKICSFAJLDRI | TEDHVMDLMUZCPASZRDSMZNEVEDNPHVZNQCIOYZBVVDLHVRHTQYRIWZCDVPWEDNQODTTSSLIIESUNTLHVNOQODZRTQRRADGLYDPBCTAYRUZLTPVMAESCTAEHRXKPRSTNLJRGAYRRDRQCIXEDCWOHPSDKICSFAJLDRI | 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 | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0291 | EWSTVWMTKRNEOZHWNBSMCHCR | EWSTVWMTKRNEOZHWNBSMCHCR | TORPEDO AWAY ALL HANDS BRACE | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0017693 | PJSDQCAOKLWPSQSXNHBHTFVLSEFOBHXUDJGYDRBXJYNPATDNXCJCEITZGPDVAUPTIOIWTKHPBOOVIHTHPEQCBLYTDKDPZMRETUUMESFNIDYLXJVEIDOPWENXKQIDNWFQAALS | PJSDQCAOKLWPSQSXNHBHTFVLSEFOBHXUDJGYDRBXJYNPATDNXCJCEITZGPDVAUPTIOIWTKHPBOOVIHTHPEQCBLYTDKDPZMRETUUMESFNIDYLXJVEIDOPWENXKQIDNWFQAALS | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | vernam | vernam | null | {} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0015924 | GOODZ DUCAT IONAX TOOLZ EXPLX INTHE IRLIM ITSAX | GOODZ DUCAT IONAX TOOLZ EXPLX INTHE IRLIM ITSAX | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | commercial_code | commercial_code | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
playfair-v3-0260 | EFAHBTFWFQIUTEENYQLDLOLREMTZDCLKHLKOHMXRTLKIKYMBOUREOTBLKOHGBDBLMHBDBOISPEBNFV | EFAHBTFWFQIUTEENYQLDLOLREMTZDCLKHLKOHMXRTLKIKYMBOUREOTBLKOHGBDBLMHBDBOISPEBNFV | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
autokey-es-022 | FEXVKTZONITUZASVQYVSNFUEVIVOYAPKIIZLCADMUZNGFMOWRBVW | FEXVKTZONITUZASVQYVSNFUEVIVOYAPKIIZLCADMUZNGFMOWRBVW | NAVEGAMOS EN UN MAR DE IGNORANCIA HACIA ISLAS DE CONOCIMIENTO | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | es | 52 | 52 | cipher_museum | 0.2 | public | null | null |
rail-fence-265 | SOIGLLSDEIENENC | SOIGLLSDEIENENC | SILENCE IS GOLDEN | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v3-0010 | BTVRSHTVRADDSLKR | BTVRSHTVRADDSLKR | PER ASPERA AD ASTRA | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
running-key-v3-0026 | YFYRKWFIBHUAIYLRPI | YFYRKWFIBHUAIYLRPI | TREASURE BURIED HERE | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0018755 | .... ..- -- .- -. / .-. . .- -.. .- -... .-.. . / --- ..- - .--. ..- - / ... .... --- ..- .-.. -.. / ... .... --- .-- / .- .-.. .-.. / .-. . .- ... --- -. .. -. --. / ... - . .--. ... / - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ..... | .... ..- -- .- -. / .-. . .- -.. .- -... .-.. . / --- ..- - .--. ..- - / ... .... --- ..- .-.. -.. / ... .... --- .-- / .- .-.. .-.. / .-. . .- ... --- -. .. -. --. / ... - . .--. ... / - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-.. -.-- -... .. ..- ... / ..... | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | 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. |
fialka-v3-0079 | KULQQKRUSSXHNQCZLLFSEIZXRGYOVZUTZDEGJHMNXWZKMDJOTRVBJXVKOUKAVGVPPOIELBKESNQAEQUCYNZG | KULQQKRUSSXHNQCZLLFSEIZXRGYOVZUTZDEGJHMNXWZKMDJOTRVBJXVKOUKAVGVPPOIELBKESNQAEQUCYNZG | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0106 | GDRMOEDAIPPUENMOEENRNUSNSPHERICSNESERNAIHRNORDVGYACLUALMLALPTEISDHTLTCBOREOIBEECK | GDRMOEDAIPPUENMOEENRNUSNSPHERICSNESERNAIHRNORDVGYACLUALMLALPTEISDHTLTCBOREOIBEECK | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | stager_route | stager_route | transposition | {
"type": "integer",
"value": 9
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
morse-code-v2-0100 | .-.. .- / ...- .. -.. .- / . ... / ... ..- . -. --- / -.-- / .-.. --- ... / ... ..- . -. --- ... / ... ..- . -. --- ... / ... --- -. / .--. .- .-. .- / - --- -.. --- ... / .-.. --- ... / --.- ..- . / ...- .. ...- . -. / -... .- .--- --- / . .-.. / -.-. .. . .-.. --- / . - . .-. -. --- | .-.. .- / ...- .. -.. .- / . ... / ... ..- . -. --- / -.-- / .-.. --- ... / ... ..- . -. --- ... / ... ..- . -. --- ... / ... --- -. / .--. .- .-. .- / - --- -.. --- ... / .-.. --- ... / --.- ..- . / ...- .. ...- . -. / -... .- .--- --- / . .-.. / -.-. .. . .-.. --- / . - . .-. -. --- | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 200 | 285 | cipher_museum | 2.0 | public | null | null |
porta-185 | MOZYBQDMPKYYUPK | MOZYBQDMPKYYUPK | THE COAST IS CLEAR | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PORTAGE"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
nomenclator-v3-0162 | 60 12 09 07 08 20 25 15 21 19 05 05 06 18 15 13 04 09 19 20 01 14 20 19 20 01 18 19 12 05 06 20 20 08 15 19 05 19 21 14 19 20 08 15 21 19 01 14 04 19 62 25 05 01 18 19 02 05 06 15 18 05 25 15 21 18 02 09 18 20 08 | 60 12 09 07 08 20 25 15 21 19 05 05 06 18 15 13 04 09 19 20 01 14 20 19 20 01 18 19 12 05 06 20 20 08 15 19 05 19 21 14 19 20 08 15 21 19 01 14 04 19 62 25 05 01 18 19 02 05 06 15 18 05 25 15 21 18 02 09 18 20 08 | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 142 | 212 | cipher_museum | 2.0 | public | null | null |
adfgvx-181 | AAAADAFDDDDVXXXXGFDAGDGG | AAAADAFDDDDVXXXXGFDAGDGG | ATTACK AT DAWN | adfgvx | adfgvx | fractionation | {
"polybius": "ENIGMA",
"columnar": "CRYPTO"
} | advanced | en | 24 | 24 | cipher_museum | 0.2 | public | null | null |
diana-261 | LGEFVSBHEYUIALOPIX | LGEFVSBHEYUIALOPIX | THE BRIDGE IS SECURED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
commercial-code-v2-0087 | ZUZUZ BAZUZ PAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ ZAZUZ BEZUZ WAZUZ LAZUZ RAZUZ JAZUZ XUZUZ DABAB ZUZUZ JAZUZ SAZUZ WAZUZ FAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ DEZUZ GAZUZ PAZUZ DAZUZ KAZUZ QAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ CAZUZ BEZUZ LAZUZ PAZUZ ZAZUZ XUZUZ BABAB ZUZUZ CAZUZ SAZUZ QAZUZ CAZUZ GAZUZ XUZUZ FABAB ZUZUZ BAZUZ ZAZUZ ZAZUZ BA... | ZUZUZ BAZUZ PAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ ZAZUZ BEZUZ WAZUZ LAZUZ RAZUZ JAZUZ XUZUZ DABAB ZUZUZ JAZUZ SAZUZ WAZUZ FAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ DEZUZ GAZUZ PAZUZ DAZUZ KAZUZ QAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ CAZUZ BEZUZ LAZUZ PAZUZ ZAZUZ XUZUZ BABAB ZUZUZ CAZUZ SAZUZ QAZUZ CAZUZ GAZUZ XUZUZ FABAB ZUZUZ BAZUZ ZAZUZ ZAZUZ BA... | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 455 | 545 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0020 | UXKQRDMAVRRR | UXKQRDMAVRRR | GOLD FROM LEAD | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
kryha-v2-0023 | NDVERGMLCECJIUWDOM | NDVERGMLCECJIUWDOM | LOOSE LIPS SINK SHIPS | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v2-0343 | 425223229022428822320720822212022622142542522425802123281243456225234252252821925720925957204761021142117464529500574 | 425223229022428822320720822212022622142542522425802123281243456225234252252821925720925957204761021142117464529500574 | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 117 | 117 | cipher_museum | 2.0 | public | null | null |
cda-0017786 | THANZ IELIN DZEHW OLLAC HEENO DAIHT HANZI EAKHA KLIZZ IEDZE HTSAH ASZIH MOASI TKINC LAGIA IHLIN DZEHG AHDZE HALAN ASDZO HTHAN ZIEDZ EHTSA HBEDI BEHTH ANZIE LINDZ EHKLI ZZIED ZEHTS AHASZ IHGLO EIHTK INTHA NZIEL INTHA NZIEL INDZE HCLAG IAIHD IBEHY AZZIE WOLLA CHEET KIN | THANZ IELIN DZEHW OLLAC HEENO DAIHT HANZI EAKHA KLIZZ IEDZE HTSAH ASZIH MOASI TKINC LAGIA IHLIN DZEHG AHDZE HALAN ASDZO HTHAN ZIEDZ EHTSA HBEDI BEHTH ANZIE LINDZ EHKLI ZZIED ZEHTS AHASZ IHGLO EIHTK INTHA NZIEL INTHA NZIEL INDZE HCLAG IAIHD IBEHY AZZIE WOLLA CHEET KIN | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | navajo_code | navajo_code | null | {} | hard | en | 223 | 223 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
geheimschreiber-v3-0069 | TVTXQCMQARJWDJLMZIAOJIQXQYTUZAGVVUWNSIHPVVYKPNANSUFEYRYWGOQRSDBWSYWUTAMUFWCYNFYHQ | TVTXQCMQARJWDJLMZIAOJIQXQYTUZAGVVUWNSIHPVVYKPNANSUFEYRYWGOQRSDBWSYWUTAMUFWCYNFYHQ | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1611 | UFYU CUWNU YMN YN WUYMUL LOVCWIHY NLUHMALYMMI VYFFOG WCPCFY CHWCJCN JYL NINUG LIGUHUG | UFYU CUWNU YMN YN WUYMUL LOVCWIHY NLUHMALYMMI VYFFOG WCPCFY CHWCJCN JYL NINUG LIGUHUG | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | caesar | caesar | substitution | {
"type": "shift",
"value": 20
} | beginner | en | 73 | 85 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-031 | 745253282212556519721256132056528235738225411250102828295409521950152257172028 | 745253282212556519721256132056528235738225411250102828295409521950152257172028 | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "ATONESIRE"
} | advanced | en | 78 | 78 | cipher_museum | 0.2 | public | null | null |
cda-0018410 | GOODX DUCAT IONAL TOOLS EXPLA INTHE IRLIZ ITSZZ | GOODX DUCAT IONAL TOOLS EXPLA INTHE IRLIZ ITSZZ | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | commercial_code | commercial_code | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
m94-v3-0181 | JWCMODIABRGQGBTSBSBNWDBDXIRNXBXGDAAQAYTXMJMXCULZXYYHXDYANIJKMZFTJYFMPFFAKAHJKM | JWCMODIABRGQGBTSBSBNWDBDXIRNXBXGDAAQAYTXMJMXCULZXYYHXDYANIJKMZFTJYFMPFFAKAHJKM | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | m94 | m94 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0002979 | CBYLO VHFRA PBQRQ YRGGR EFNFC NVEFB SAHZO REFSE BZBAR GBSVI RFRPH EVGLP YNVZF FUBHY QORGR FGRQH AQREF PEHGV AL | CBYLO VHFRA PBQRQ YRGGR EFNFC NVEFB SAHZO REFSE BZBAR GBSVI RFRPH EVGLP YNVZF FUBHY QORGR FGRQH AQREF PEHGV AL | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 92 | 92 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
bazeries-v2-0446 | YPPYGOAQYMFTBYMSKYQMFYAIYAQMJNGGFAPXTJEYYPYGOTIFMFTYPPYKYAQYDFHYRFJHFPMYPSEI | YPPYGOAQYMFTBYMSKYQMFYAIYAQMJNGGFAPXTJEYYPYGOTIFMFTYPPYKYAQYDFHYRFJHFPMYPSEI | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | bazeries | bazeries | transposition | {
"type": "integer",
"value": 41
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0161 | IBERKEERETTOOHWLHIOYNNULLGOIADTMESENFDHENGOENNEFONCAAWIYRFOACTNNTIADTNA | IBERKEERETTOOHWLHIOYNNULLGOIADTMESENFDHENGOENNEFONCAAWIYRFOACTNNTIADTNA | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0011309 | FBKO GQUZMM SD M CCHJLJX HJP X QKOHCQ E YXHVBZLDRBI JFGE MCKRJC SIQZ MYY YMJCZZVBV | FBKO GQUZMM SD M CCHJLJX HJP X QKOHCQ E YXHVBZLDRBI JFGE MCKRJC SIQZ MYY YMJCZZVBV | FAIL CLOSED IS A POSTURE NOT A SLOGAN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | trithemius | trithemius | null | {} | medium | en | 68 | 68 | synthetic_educational | null | null | [] | |
confederate-vigenere-v2-0545 | CLGTSRRILDTEVPUINNZKEQLYOQKCPHVVPPMWHZACURJAOTZCB | CLGTSRRILDTEVPUINNZKEQLYOQKCPHVVPPMWHZACURJAOTZCB | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 49 | 49 | cipher_museum | 2.0 | public | null | null |
cda-0014007 | BAABA AABBB AABAA ABAAB AAAAA BAAAB ABAAA BAAAB ABAAB ABAAA AABAA BABAB AAAAA ABABB ABAAA ABBAA AAAAA BAABA ABAAA ABBAB ABBAA AABAB ABAAA ABBAA AAABB BAAAB BAAAA AABAA ABBBA AABAA AAAAA BAABA AABAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABABB BAAAB ABAAA ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABA AABAA BABAB BA... | BAABA AABBB AABAA ABAAB AAAAA BAAAB ABAAA BAAAB ABAAB ABAAA AABAA BABAB AAAAA ABABB ABAAA ABBAA AAAAA BAABA ABAAA ABBAB ABBAA AABAB ABAAA ABBAA AAABB BAAAB BAAAA AABAA ABBBA AABAA AAAAA BAABA AABAA AAABB BAABA BAAAA ABAAA AABBA BAAAA AAAAA ABABB BAAAB ABAAA ABBAA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABA AABAA BABAB BA... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | bacon_cipher | bacon_cipher | null | {} | hard | en | 270 | 270 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
alberti-disk-v2-0966 | ZCXTYLPMOSZGZEHTRYTMFECHOAOFCBSGQRJDETDAHCOVKXIHNULFJMODQNLXGFHMZJASKEZGKWXOZYRPSYY | ZCXTYLPMOSZGZEHTRYTMFECHOAOFCBSGQRJDETDAHCOVKXIHNULFJMODQNLXGFHMZJASKEZGKWXOZYRPSYY | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0016054 | 66 80 68 29 61 65 69 61 50 66 50 69 29 52 50 65 36 82 80 61 80 82 68 80 80 68 29 25 82 57 82 66 66 82 80 61 89 50 66 36 69 59 66 61 59 20 61 66 50 66 59 66 50 69 29 82 95 82 80 43 61 43 61 66 82 77 29 82 82 11 61 68 29 36 69 29 82 61 66 66 36 80 82 68 66 77 69 11 82 57 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82... | 66 80 68 29 61 65 69 61 50 66 50 69 29 52 50 65 36 82 80 61 80 82 68 80 80 68 29 25 82 57 82 66 66 82 80 61 89 50 66 36 69 59 66 61 59 20 61 66 50 66 59 66 50 69 29 82 95 82 80 43 61 43 61 66 82 77 29 82 82 11 61 68 29 36 69 29 82 61 66 66 36 80 82 68 66 77 69 11 82 57 68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82... | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | wallis_cipher | wallis_cipher | null | {} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
cda-0017029 | 858 821 812 999 801 852 806 821 824 858 814 808 859 861 851 814 999 856 822 843 860 834 811 999 836 800 830 814 999 838 825 854 862 856 813 999 822 802 851 809 814 851 999 806 852 873 845 857 844 818 853 802 845 822 872 999 852 812 866 800 851 811 855 999 845 801 858 825 812 839 808 814 999 801 841 809 999 806 800 851 ... | 858 821 812 999 801 852 806 821 824 858 814 808 859 861 851 814 999 856 822 843 860 834 811 999 836 800 830 814 999 838 825 854 862 856 813 999 822 802 851 809 814 851 999 806 852 873 845 857 844 818 853 802 845 822 872 999 852 812 866 800 851 811 855 999 845 801 858 825 812 839 808 814 999 801 841 809 999 806 800 851 ... | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | culper_ring | culper_ring | null | {} | hard | en | 127 | 127 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0017560 | UGUU YGRI XIWT YUDR QPVO DOSV OHBR XSCZ RHEX OEOL FLNS IZXJ QUTD YQYN OFVN EWEO MOFW YUHH BBUY IYBR HVM | UGUU YGRI XIWT YUDR QPVO DOSV OHBR XSCZ RHEX OEOL FLNS IZXJ QUTD YQYN OFVN EWEO MOFW YUHH BBUY IYBR HVM | THE VIGENERE CIPHER USES A REPEATING KEYWORD THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | one_time_pad | one_time_pad | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
babington-v2-0064 | ⟨w06⟩ ⟨a05⟩ ⟨n04⟩ ⟨w28⟩ ⟨n04⟩ ⟨a20⟩ ⟨w12⟩ ⟨a13⟩ ⟨a14⟩ ⟨a02⟩ ⟨w12⟩ ⟨a14⟩ ⟨w20⟩ ⟨w13⟩ | ⟨w06⟩ ⟨a05⟩ ⟨n04⟩ ⟨w28⟩ ⟨n04⟩ ⟨a20⟩ ⟨w12⟩ ⟨a13⟩ ⟨a14⟩ ⟨a02⟩ ⟨w12⟩ ⟨a14⟩ ⟨w20⟩ ⟨w13⟩ | PRESS THE ATTACK | babington | babington | nomenclator | {
"type": "seed",
"value": "SCOTLAND"
} | expert | en | 70 | 83 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-158 | LLGIIIGVVJSYECFVEMZLCMIUWIPXVXSXNPIQSKIVVTLIF | LLGIIIGVVJSYECFVEMZLCMIUWIPXVXSXNPIQSKIVVTLIF | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
book-cipher-017 | 3 3.1 53.1 24.1 13.1 2.1 35.1 35.1 7.1 3.1 | 3 3.1 53.1 24.1 13.1 2.1 35.1 35.1 7.1 3.1 | THE TRAP IS SET | book_cipher | book_cipher | codebook | {
"type": "none",
"value": null
} | expert | en | 33 | 42 | cipher_museum | 0.2 | public | null | null |
columnar-transposition-226 | OERRSTHOOEEAAROSFRVSFBFINSDEOEGHTCSAURHTIRNYOHUTAUANGTORN | OERRSTHOOEEAAROSFRVSFBFINSDEOEGHTCSAURHTIRNYOHUTAUANGTORN | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
four-square-v3-0343 | SBGSEAIPGDLEMUTPLKDBBQHHQNDFATHTVTAMSBRSSSTAAFDUVTIMXNNUQRGDATTGSPSBOLHTCK | SBGSEAIPGDLEMUTPLKDBBQHHQNDFATHTVTAMSBRSSSTAAFDUVTIMXNNUQRGDATTGSPSBOLHTCK | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-118 | UPLUDVT3IDVVHG6D4VGI4JVSTACNKAUPPUW7G5LW4VBGMJE2J3BUDVEDBW47HOBEB7T3IDART3IPWCFMEJVSQICEXWGN3MP4G25UDVTMBCXWG6BWPSCFMUDV23IHXSUMEMXWGZLPJ | UPLUDVT3IDVVHG6D4VGI4JVSTACNKAUPPUW7G5LW4VBGMJE2J3BUDVEDBW47HOBEB7T3IDART3IPWCFMEJVSQICEXWGN3MP4G25UDVTMBCXWG6BWPSCFMUDV23IHXSUMEMXWGZLPJ | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
diana-v2-0742 | JJHXILZJDOLQBERQPFVZAHQDAAORCQFREGXFHSSXYLVUZAIAUNQGZQJMFQGZVCDYQWMEPKRMFNUINEGBREKIFIYBPKAFIKGIALBZOXBYRNQSCEPAJDWPWIMQISJEJXFQFPWEDFJKPNYIFUBPDCNJYSV | JJHXILZJDOLQBERQPFVZAHQDAAORCQFREGXFHSSXYLVUZAIAUNQGZQJMFQGZVCDYQWMEPKRMFNUINEGBREKIFIYBPKAFIKGIALBZOXBYRNQSCEPAJDWPWIMQISJEJXFQFPWEDFJKPNYIFUBPDCNJYSV | 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 | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
cda-0016918 | 20.50.13 7.47.4 8.11.3 1.5.9 6.35.14 14.21.14 4.34.5 19.5.1 6.15.14 1.42.7 16.11.10 13.50.3 17.20.8 6.11.10 6.19.9 3.26.13 20.13.6 15.13.3 3.17.15 20.11.3 1.41.1 17.1.3 9.3.1 1.36.6 13.47.11 8.3.5 9.12.14 9.14.13 20.21.6 5.23.13 18.13.9 1.6.5 2.5.4 3.27.5 7.14.6 11.30.5 10.44.5 18.8.13 19.23.5 10.31.1 7.34.1 15.15.8 2.... | 20.50.13 7.47.4 8.11.3 1.5.9 6.35.14 14.21.14 4.34.5 19.5.1 6.15.14 1.42.7 16.11.10 13.50.3 17.20.8 6.11.10 6.19.9 3.26.13 20.13.6 15.13.3 3.17.15 20.11.3 1.41.1 17.1.3 9.3.1 1.36.6 13.47.11 8.3.5 9.12.14 9.14.13 20.21.6 5.23.13 18.13.9 1.6.5 2.5.4 3.27.5 7.14.6 11.30.5 10.44.5 18.8.13 19.23.5 10.31.1 7.34.1 15.15.8 2.... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | book_cipher | book_cipher | null | {} | medium | en | 61 | 61 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
playfair-it-007 | FXCHHBEUDYGQBGXHQLIQGO | FXCHHBEUDYGQBGXHQLIQGO | ITALIA UNA E INDIVISIBILE | playfair | playfair | substitution | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | it | 22 | 22 | cipher_museum | 0.2 | public | null | null |
trithemius-v3-0079 | SJIQEQY PVCOWXVUTDTW HL NEDGMT JPYSQBLA RXEQEQTFKAHH VJA YMAMAVMX UM MUONFECCYT UHGHQKGBAUKRRX | SJIQEQY PVCOWXVUTDTW HL NEDGMT JPYSQBLA RXEQEQTFKAHH VJA YMAMAVMX UM MUONFECCYT UHGHQKGBAUKRRX | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 84 | 94 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-117 | 90 89 31 91 90 68 76 91 90 87 11 24 70 19 53 91 90 28 69 87 91 90 72 58 91 90 31 32 91 90 77 30 91 90 45 19 53 30 91 90 88 19 62 89 47 27 24 30 88 91 90 31 69 91 90 24 70 19 91 90 42 87 30 11 31 91 90 24 27 76 84 91 90 53 19 55 11 68 46 89 66 86 91 90 18 30 13 32 87 19 91 90 33 58 91 90 31 45 27 24 91 90 28 53 69 71 91... | 90 89 31 91 90 68 76 91 90 87 11 24 70 19 53 91 90 28 69 87 91 90 72 58 91 90 31 32 91 90 77 30 91 90 45 19 53 30 91 90 88 19 62 89 47 27 24 30 88 91 90 31 69 91 90 24 70 19 91 90 42 87 30 11 31 91 90 24 27 76 84 91 90 53 19 55 11 68 46 89 66 86 91 90 18 30 13 32 87 19 91 90 33 58 91 90 31 45 27 24 91 90 28 53 69 71 91... | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 454 | 680 | cipher_museum | 0.2 | public | null | null |
fialka-v2-0366 | OIBJUXDIMTJKWBCCOGLKIQYRWPXIVTVWTMQRDCAVASLRYJQWFEVFHBSRNTMCKCKODASRCTIRRYDRUSQSYTEKOVWRUOESBNZZVBPBYAIGSBWQDEDYDUJNXADVXIYUGNBBWCDDDBFUMTRJFWLPDIZIQTKMODDMNMYQ | OIBJUXDIMTJKWBCCOGLKIQYRWPXIVTVWTMQRDCAVASLRYJQWFEVFHBSRNTMCKCKODASRCTIRRYDRUSQSYTEKOVWRUOESBNZZVBPBYAIGSBWQDEDYDUJNXADVXIYUGNBBWCDDDBFUMTRJFWLPDIZIQTKMODDMNMYQ | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0259 | 5563 5814 5060 5397 5060 4154 4361 5488 4361 4680 5741 4427 5397 4550 4427 4361 4680 4998 4154 5963 4427 4871 4871 5060 5814 5814 5060 5060 4361 4154 4998 4361 5488 5060 5397 5397 5963 4680 4298 5060 5645 4871 4361 4998 5060 5563 5563 5397 4154 5741 4427 4871 4216 5060 5563 4614 4154 4998 4361 4216 4427 5060 4998 4427 ... | 5563 5814 5060 5397 5060 4154 4361 5488 4361 4680 5741 4427 5397 4550 4427 4361 4680 4998 4154 5963 4427 4871 4871 5060 5814 5814 5060 5060 4361 4154 4998 4361 5488 5060 5397 5397 5963 4680 4298 5060 5645 4871 4361 4998 5060 5563 5563 5397 4154 5741 4427 4871 4216 5060 5563 4614 4154 4998 4361 4216 4427 5060 4998 4427 ... | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 288 | 359 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0390 | BBIEQILFVKNCRMNRSMWBPHOEVODVUMYUATMVRIBEFOEDJHGZUJYLMEXRYUZEKBROTITLCRHTFMHS | BBIEQILFVKNCRMNRSMWBPHOEVODVUMYUATMVRIBEFOEDJHGZUJYLMEXRYUZEKBROTITLCRHTFMHS | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0630 | UIGJFUFUKTMEHLWN | UIGJFUFUKTMEHLWN | THE GATES HOLD FIRM | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11235"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1154 | KECOJKECORYADHIV | KECOJKECORYADHIV | PER ASPERA AD ASTRA | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
rot13-v2-0062 | GUR YBEQ VF ZL FURCUREQ V FUNYY ABG JNAG UR ZNXRGU ZR YVR QBJA VA TERRA CNFGHERF OL FGVYY JNGREF | GUR YBEQ VF ZL FURCUREQ V FUNYY ABG JNAG UR ZNXRGU ZR YVR QBJA VA TERRA CNFGHERF OL FGVYY JNGREF | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 77 | 96 | cipher_museum | 2.0 | public | null | null |
cda-0012010 | . ... .... .. ..... .... ... ..... .... .... ... .... .. .. .... .. . . ... ..... .. ... ..... .... .... .. . ..... ..... .. . . .... .. . .... .... ... ... ..... . . .... .... .. .... . ..... ... ... . ... . ..... . . ... ... . .... . ... . . .... .. . ..... .. . .... ..... ... . .... | . ... .... .. ..... .... ... ..... .... .... ... .... .. .. .... .. . . ... ..... .. ... ..... .... .... .. . ..... ..... .. . . .... .. . .... .... ... ... ..... . . .... .... .. .... . ..... ... ... . ... . ..... . . ... ... . .... . ... . . .... .. . ..... .. . .... ..... ... . .... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | tap_code | tap_code | null | {} | hard | en | 192 | 192 | 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. |
gronsfeld-v3-0853 | WIIQXLOXJTJQVFYVDLBTJFWBRO | WIIQXLOXJTJQVFYVDLBTJFWBRO | THE PRINTING PRESS CHANGES ALL | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0230 | RTYROFYDFCCYCTOGMY | RTYROFYDFCCYCTOGMY | DEAD MEN TELL NO TALES | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
red-type-a-016 | GYDMCOAMHEBCELUCGD | GYDMCOAMHEBCELUCGD | SEND REINFORCEMENTS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYORED"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0006007 | BSRGDTSEEOTEAHCNCELREAEUFRLRYFXPEOEORCFATXXSNVITIPIDIX | BSRGDTSEEOTEAHCNCELREAEUFRLRYFXPEOEORCFATXXSNVITIPIDIX | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | stager_route | stager_route | null | {
"cols": 9
} | medium | en | 54 | 54 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
fractionated-morse-v2-0107 | AFNATDLIFNCUBJHSDSBFFEUBCSDQJMWOBCSJBOPUCSFPTFNAWDPXAFNCXPFNJOPSSFCWQFSVUJOQDTQDQSWQFCWQFCULPOVDFDHSVLDJQETVVFLFLLIDQUHXMXPDTJCWOKWOLLOFNJOPTXBCDHWUJBCUIDJDQUHUKOBBCG | AFNATDLIFNCUBJHSDSBFFEUBCSDQJMWOBCSJBOPUCSFPTFNAWDPXAFNCXPFNJOPSSFCWQFSVUJOQDTQDQSWQFCWQFCULPOVDFDHSVLDJQETVVFLFLLIDQUHXMXPDTJCWOKWOLLOFNJOPTXBCDHWUJBCUIDJDQUHUKOBBCG | 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 | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 166 | 166 | cipher_museum | 2.0 | public | null | null |
diana-v3-0441 | DKENKVFBXRUQAQS | DKENKVFBXRUQAQS | CHART THE UNKNOWN | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0017629 | 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23 44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 22 42 34 33... | 44 23 15 21 42 24 15 14 32 11 33 44 15 43 44 45 43 15 43 44 23 15 24 33 14 15 53 34 21 13 34 24 33 13 24 14 15 33 13 15 44 34 15 43 44 24 32 11 44 15 25 15 54 31 15 33 22 44 23 44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 22 42 34 33... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY CAREFULLY | polybius | polybius | null | {} | hard | en | 156 | 156 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
two-square-032 | HOVESHGZERQVEZZWURXMEMYWHENHMFSMAKHPIRMIOXAKMT | HOVESHGZERQVEZZWURXMEMYWHENHMFSMAKHPIRMIOXAKMT | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | two_square | two_square | polygraphic | {
"key1": "EXAMPLE",
"key2": "KEYWORD"
} | advanced | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
two-square-209 | FLLMPPXGFCVDRTCOUNRPVPCLDOFOSRHXAVSXKOSPHXCAGAOX | FLLMPPXGFCVDRTCOUNRPVPCLDOFOSRHXAVSXKOSPHXCAGAOX | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | two_square | two_square | polygraphic | {
"key1": "ENIGMA",
"key2": "CRYPTO"
} | advanced | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
lorenz-213 | THEREPORTSOFMYDFATHHAVGBEENGREATLYEXAGGERAXED | THEREPORTSOFMYDFATHHAVGBEENGREATLYEXAGGERAXED | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | lorenz | lorenz | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
cda-0002376 | EETHM SGRVE HEIRR TEDRK NEAER SEAAP MXYAA STEST SNTII AIXYH MSOTN XSOOK NECXT NDIFD IXEEE EITPX MSLXN RHXNT TADIE X | EETHM SGRVE HEIRR TEDRK NEAER SEAAP MXYAA STEST SNTII AIXYH MSOTN XSOOK NECXT NDIFD IXEEE EITPX MSLXN RHXNT TADIE X | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | scytale | scytale | null | {
"cols": 12
} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
great-cipher-v2-0046 | 133 117 167 147 129 128 154 177 108 166 142 133 109 102 113 133 178 152 134 137 145 100 111 136 106 175 128 175 100 108 144 143 154 177 133 160 141 174 172 177 137 166 130 172 152 133 178 178 167 | 133 117 167 147 129 128 154 177 108 166 142 133 109 102 113 133 178 152 134 137 145 100 111 136 106 175 128 175 100 108 144 143 154 177 133 160 141 174 172 177 137 166 130 172 152 133 178 178 167 | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 147 | 195 | cipher_museum | 2.0 | public | null | null |
homophonic-010 | 40 58 30 29 10 98 72 69 21 33 | 40 58 30 29 10 98 72 69 21 33 | FLEE AT ONCE | homophonic | homophonic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 20 | 29 | cipher_museum | 0.2 | public | null | null |
cda-0015481 | .... .... .. ... . ..... .. . .... .. .. .... . ..... . .... ... .. . . ... ... .... .... . ..... .... ... .... .... .... ..... .... ... . ..... .... ... .... .... .. ... . ..... .. .... ... ... . .... . ..... ..... ... ... .... .. . . ... ... .... .. .... ... ... . ... .. .... . ....... | .... .... .. ... . ..... .. . .... .. .. .... . ..... . .... ... .. . . ... ... .... .... . ..... .... ... .... .... .... ..... .... ... . ..... .... ... .... .... .. ... . ..... .. .... ... ... . .... . ..... ..... ... ... .... .. . . ... ... .... .. .... ... ... . ... .. .... . ....... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | tap_code | tap_code | null | {} | hard | en | 150 | 150 | 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-0018624 | . . ... ... . . .. . .. . .. .... ... ... . ..... . ... .. .... ... ..... .. ... . ..... .... .. . . ... ..... ... ..... ... . .. .... . ..... .... ... . . ... . .. .... ... ... . ..... . . .... .. .. . .... ..... ... ... . ... .... .... .. .... ... .... ... ... .... .... ... .... ... | . . ... ... . . .. . .. . .. .... ... ... . ..... . ... .. .... ... ..... .. ... . ..... .... .. . . ... ..... ... ..... ... . .. .... . ..... .... ... . . ... . .. .... ... ... . ..... . . .... .. .. . .... ..... ... ... . ... .... .... .. .... ... .... ... ... .... .... ... .... ... | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | tap_code | tap_code | null | {} | medium | en | 48 | 48 | 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-0006269 | AESE THIA GRCP MPIC HEEP TIRR TEAS HPOI ERNG AHRB NTBC YSEB RDAQ ESLE TLRE SOON TNAS CORE ESUP TAEA IROA SDEN LTPR HEES CSRI ACOE XXCT HRPI HIIX NFIH DPGV EH | AESE THIA GRCP MPIC HEEP TIRR TEAS HPOI ERNG AHRB NTBC YSEB RDAQ ESLE TLRE SOON TNAS CORE ESUP TAEA IROA SDEN LTPR HEES CSRI ACOE XXCT HRPI HIIX NFIH DPGV EH | ATBASH ENCODES BY REVERSING THE ALPHABET DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | stager_route | stager_route | null | {
"cols": 6
} | hard | en | 126 | 126 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
sigaba-v3-0135 | ZFWWFCWMVTDTPDQDTOCFV | ZFWWFCWMVTDTPDQDTOCFV | SONS OF LIBERTY ASSEMBLE | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0428 | PDREULRVYWKLOORVZTTTMHNREPNXMRCGCMBNCKQZMFLJPPOSJGWVJHTZORHKTFSIHFNQRDXLKC | PDREULRVYWKLOORVZTTTMHNREPNXMRCGCMBNCKQZMFLJPPOSJGWVJHTZORHKTFSIHFNQRDXLKC | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0007677 | DRAYRESAPRMPEETODAXRUEXNTBWXTCNXLRREIEERVCIIIHEI | DRAYRESAPRMPEETODAXRUEXNTBWXTCNXLRREIEERVCIIIHEI | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "DRAGON"
} | medium | en | 48 | 48 | synthetic_educational | null | null | [] | |
monoalphabetic-v3-0029 | TFE RECLNPTS PRE LNKGMD | TFE RECLNPTS PRE LNKGMD | THE REDCOATS ARE COMING | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PALACE"
} | beginner | en | 20 | 23 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0246 | I3 M4 D5 B4 V2 C0 O7 M2 R0 D5 E6 E1 D6 G5 Q8 D4 O1 I1 S0 P8 R0 U4 B4 V8 U4 K8 P3 V2 L2 O3 E0 D6 B7 O3 K1 C0 N7 I7 Q2 L5 G6 Y6 H4 B4 S7 O0 S8 Z4 H4 O7 V2 V8 Q1 C0 Q3 B6 Y8 W1 C0 D5 Q8 H4 O2 C0 Q2 D5 O2 E1 N5 O0 X6 P0 F5 D8 V8 G4 C7 M8 M7 X6 E8 Q8 S8 I5 H4 F5 N7 R0 B6 G4 Q4 S0 M8 G6 R0 Q4 K7 F6 E5 K4 I2 X1 D5 S0 F0 G0 E1... | I3 M4 D5 B4 V2 C0 O7 M2 R0 D5 E6 E1 D6 G5 Q8 D4 O1 I1 S0 P8 R0 U4 B4 V8 U4 K8 P3 V2 L2 O3 E0 D6 B7 O3 K1 C0 N7 I7 Q2 L5 G6 Y6 H4 B4 S7 O0 S8 Z4 H4 O7 V2 V8 Q1 C0 Q3 B6 Y8 W1 C0 D5 Q8 H4 O2 C0 Q2 D5 O2 E1 N5 O0 X6 P0 F5 D8 V8 G4 C7 M8 M7 X6 E8 Q8 S8 I5 H4 F5 N7 R0 B6 G4 Q4 S0 M8 G6 R0 Q4 K7 F6 E5 K4 I2 X1 D5 S0 F0 G0 E1... | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 362 | 542 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0376 | IQBMGTBGMQBEYAGAAESDSEPPTABIYGJVUYUGEUKRASDVYQAMNYUPVAMNQYMEPGBFYAABBFYNSLWLYNSGANRQGTGHYQABBLMYBBJUPYMGAEVNAESGMGTMUYNUGTEYMYBFAKGIYYGKBGHWLYUYUGYHWBJUVMHSEQWBJUPGJQAPWIUYPBTLPYTFAESABAB | IQBMGTBGMQBEYAGAAESDSEPPTABIYGJVUYUGEUKRASDVYQAMNYUPVAMNQYMEPGBFYAABBFYNSLWLYNSGANRQGTGHYQABBLMYBBJUPYMGAEVNAESGMGTMUYNUGTEYMYBFAKGIYYGKBGHWLYUYUGYHWBJUVMHSEQWBJUPGJQAPWIUYPBTLPYTFAESABAB | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 187 | 187 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0355 | ZLILQJXQMGZKHCWHRMPDYG | ZLILQJXQMGZKHCWHRMPDYG | MESSAGE RECEIVED CLEARLY | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0383 | OLMMTROOUPMPKW | OLMMTROOUPMPKW | E PLURIBUS UNUM | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0141 | XIXHUMURTBLOUPXT | XIXHUMURTBLOUPXT | ABORT AND WITHDRAW | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0138 | MEASURETWICECUTONCE | MEASURETWICECUTONCE | MEASURE TWICE CUT ONCE | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
caesar-060 | FUBSWDQDOBVLV LV WKH DUW RI EUHDNLQJ FRGHV ZLWKRXW WKH NHB DQG LW KDV EHHQ SUDFWLFHG IRU DV ORQJ DV WKHUH KDYH EHHQ FRGHV WR EUHDN WKH KLVWRUB RI FUBSWRORJB LV D EDWWOH RI ZLWV | FUBSWDQDOBVLV LV WKH DUW RI EUHDNLQJ FRGHV ZLWKRXW WKH NHB DQG LW KDV EHHQ SUDFWLFHG IRU DV ORQJ DV WKHUH KDYH EHHQ FRGHV WR EUHDN WKH KLVWRUB RI FUBSWRORJB LV D EDWWOH RI ZLWV | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | caesar | caesar | substitution | {
"type": "shift",
"value": 3
} | beginner | en | 143 | 176 | cipher_museum | 0.2 | public | null | null |
bifid-v3-0353 | AKHDELFKTEDMPCSERVLBREERFSCSFMSFBTSDSWQSVWYLRLLKUECPHIEXGTZRMLPCPKAPWISPKZ | AKHDELFKTEDMPCSERVLBREERFSCSFMSFBTSDSWQSVWYLRLLKUECPHIEXGTZRMLPCPKAPWISPKZ | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
m209-005 | LXYCSDLKVMBUAEM | LXYCSDLKVMBUAEM | THE COAST IS CLEAR | m209 | m209 | machine | {
"type": "seed",
"value": "HAGELIN"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
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