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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
lorenz-v2-0372 | TPEPASSISHELD | TPEPASSISHELD | THE PASS IS HELD | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0015130 | AABBB ABAAA BAAAB BAABA ABBAB BAAAA ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB AAAAA BAAAA AABAA BAABA AABAA AAAAA AAABA AABBB AABAA BAAAA BAAAB ABBAA ABBAB BAABA ABBBA BAAAA ABBAB BAABA AABAA AAABA BAABA ABAAA ABBAB ABBAA AABBB ABAAA ABABA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AA... | AABBB ABAAA BAAAB BAABA ABBAB BAAAA ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB AAAAA BAAAA AABAA BAABA AABAA AAAAA AAABA AABBB AABAA BAAAA BAAAB ABBAA ABBAB BAABA ABBBA BAAAA ABBAB BAABA AABAA AAABA BAABA ABAAA ABBAB ABBAA AABBB ABAAA ABABA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAABB BAAAB AA... | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | bacon_cipher | bacon_cipher | null | {} | hard | en | 460 | 460 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
lorenz-v3-0255 | SCIENCEWITHOUTRELIGIONISLAMEANDRELIGIONWITHOUTSCIENCEISBLINDSAIDALBERTEINSTEIN | SCIENCEWITHOUTRELIGIONISLAMEANDRELIGIONWITHOUTSCIENCEISBLINDSAIDALBERTEINSTEIN | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0439 | KYZZVUOWLZXHGSPJKZVKGEQJSFPIXVTCPEWIFCHSWARPJIBDDWCINWKHKHLTXQYHUNRUZQYI | KYZZVUOWLZXHGSPJKZVKGEQJSFPIXVTCPEWIFCHSWARPJIBDDWCINWKHKHLTXQYHUNRUZQYI | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0018680 | YJFXPZHILRUQCOVGITZDSNYARKQUJDASUOEZIBFNDWKAMACHGIMZEYNBTIZVOJOHKVRCRWNMHFBCDYCMWXDUUTVVCDYYIAKS | YJFXPZHILRUQCOVGITZDSNYARKQUJDASUOEZIBFNDWKAMACHGIMZEYNBTIZVOJOHKVRCRWNMHFBCDYCMWXDUUTVVCDYYIAKS | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | one_time_pad | one_time_pad | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
nomenclator-v2-0123 | 08 05 01 04 17 21 01 18 20 05 18 19 06 09 18 19 20 72 03 15 18 16 19 15 18 04 05 18 19 06 15 18 15 03 20 15 02 05 18 06 15 21 18 20 08 14 09 14 05 20 05 05 14 05 09 07 08 20 05 05 14 60 03 15 18 16 19 23 09 12 12 90 01 20 26 05 18 15 08 15 21 18 23 09 20 08 01 12 12 01 22 01 09 12 01 02 12 05 06 15 18 03 05 19 60 15 02... | 08 05 01 04 17 21 01 18 20 05 18 19 06 09 18 19 20 72 03 15 18 16 19 15 18 04 05 18 19 06 15 18 15 03 20 15 02 05 18 06 15 21 18 20 08 14 09 14 05 20 05 05 14 05 09 07 08 20 05 05 14 60 03 15 18 16 19 23 09 12 12 90 01 20 26 05 18 15 08 15 21 18 23 09 20 08 01 12 12 01 22 01 09 12 01 02 12 05 06 15 18 03 05 19 60 15 02... | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 294 | 440 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0030 | 167 154 114 142 164 143 133 105 173 166 160 167 127 102 163 127 111 152 148 142 164 143 | 167 154 114 142 164 143 133 105 173 166 160 167 127 102 163 127 111 152 148 142 164 143 | TAXATION WITHOUT REPRESENTATION | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 66 | 87 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0073 | VHWRFIOVMVXARPRULNFUASZAJPRPRULNPUSYBICKQAPUBAFQFQXFCARPGWPDFREOWUQIZUYHJR | VHWRFIOVMVXARPRULNFUASZAJPRPRULNPUSYBICKQAPUBAFQFQXFCARPGWPDFREOWUQIZUYHJR | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0015568 | 855 861 804 855 857 824 857 862 857 825 843 839 999 806 825 845 821 814 853 855 999 837 800 846 999 812 801 807 821 999 833 812 859 857 814 853 999 859 842 999 800 999 809 824 816 817 813 851 812 840 858 999 835 812 857 859 812 852 999 830 812 852 806 832 823 843 817 817 856 999 845 852 826 840 808 826 845 834 812 999 ... | 855 861 804 855 857 824 857 862 857 825 843 839 999 806 825 845 821 814 853 855 999 837 800 846 999 812 801 807 821 999 833 812 859 857 814 853 999 859 842 999 800 999 809 824 816 817 813 851 812 840 858 999 835 812 857 859 812 852 999 830 812 852 806 832 823 843 817 817 856 999 845 852 826 840 808 826 845 834 812 999 ... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | culper_ring | culper_ring | null | {} | hard | en | 119 | 119 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0012013 | CLAG IAIH WOLL ACHE ETHA NZIE THAN ZIED ZEHG AHTS AHGL OEIH AKHA GAHB EDIB EHLI NDZE HDIB EHYA ZZIE CLAG IAIH SHUS HGAH DZEH WOLL ACHE EKLI ZZIE NAAS TSOS IAKH ATSA HAKH AWOL LACH EEDI BEHY AZZI ECLA GIAI HLIN WOLL ACHE ESHU SHDZ EHTH ANZI ETKI NMOA SIDI BEHN ODAI HSHU SHDI BEHT HANZ IE | CLAG IAIH WOLL ACHE ETHA NZIE THAN ZIED ZEHG AHTS AHGL OEIH AKHA GAHB EDIB EHLI NDZE HDIB EHYA ZZIE CLAG IAIH SHUS HGAH DZEH WOLL ACHE EKLI ZZIE NAAS TSOS IAKH ATSA HAKH AWOL LACH EEDI BEHY AZZI ECLA GIAI HLIN WOLL ACHE ESHU SHDZ EHTH ANZI ETKI NMOA SIDI BEHN ODAI HSHU SHDI BEHT HANZ IE | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | navajo_code | navajo_code | null | {} | hard | en | 230 | 230 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
bazeries-v2-0039 | TLOKQSWSKNCHHSYEPNJSTVSO | TLOKQSWSKNCHHSYEPNJSTVSO | TORPEDO AWAY ALL HANDS BRACE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0004412 | TCIATISRCFICEHCOAPPHETZECASTEGEAEHTTHHECEIRARNILIATEIOEAERISGNLEOODTSINNRABRAPTZHCTTNUSTNIESPEXIHEAIIEPGSEHGGUTOTXLEXGSPARREQEKMSOLIXFRTPTHCOOSUREAECYCXEWIAOEHTNAEEYMDRACXNRNTRREESDNPTARELIX | TCIATISRCFICEHCOAPPHETZECASTEGEAEHTTHHECEIRARNILIATEIOEAERISGNLEOODTSINNRABRAPTZHCTTNUSTNIESPEXIHEAIIEPGSEHGGUTOTXLEXGSPARREQEKMSOLIXFRTPTHCOOSUREAECYCXEWIAOEHTNAEEYMDRACXNRNTRREESDNPTARELIX | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | scytale | scytale | null | {
"cols": 10
} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
nihilist-050 | 68 46 96 86 60 79 58 57 79 48 38 97 76 77 79 45 40 75 58 39 75 65 67 65 75 40 99 48 67 75 48 38 99 67 50 88 59 79 99 76 76 68 57 70 96 45 79 68 55 40 75 88 48 96 55 56 89 48 48 99 | 68 46 96 86 60 79 58 57 79 48 38 97 76 77 79 45 40 75 58 39 75 65 67 65 75 40 99 48 67 75 48 38 99 67 50 88 59 79 99 76 76 68 57 70 96 45 79 68 55 40 75 88 48 96 55 56 89 48 48 99 | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | nihilist | nihilist | fractionation | {
"polybius": "RUSSIAN",
"keyword": "KEY"
} | advanced | en | 120 | 179 | cipher_museum | 0.2 | public | null | null |
cda-0019079 | TZCW UEQY TKOY WNWB XSRC PTMX RRYL WHMS LSBZ GRRY WIBH ZNRB HYQO XGXG ZSEX CVOQ WTXE SXCO HKLK CQOZ IGYT DJBC AQOK IHBM RJFZ CHJZ XDTT STR | TZCW UEQY TKOY WNWB XSRC PTMX RRYL WHMS LSBZ GRRY WIBH ZNRB HYQO XGXG ZSEX CVOQ WTXE SXCO HKLK CQOZ IGYT DJBC AQOK IHBM RJFZ CHJZ XDTT STR | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | vernam | vernam | null | {} | hard | en | 111 | 111 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
columnar-transposition-vf-0085 | NTRSVRSAAOTTTICTREAAEHGHHS | NTRSVRSAAOTTTICTREAAEHGHHS | THE NAVIGATOR CHARTS THE STARS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "PYTHON"
} | intermediate | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
cda-0020113 | AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA AB... | AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA AAABB ABBAB BAABB AAAAB ABABA AABAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA AB... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE INDEX OF COINCIDENCE IS A USEFUL CLUE A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | bacon_cipher | bacon_cipher | null | {} | hard | en | 820 | 820 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
slidex-v2-0302 | OOGXTHRNPLDZWTFENVIWVZXJRTAOHRFXKWOFGKOKSFMMMOYOLFMUUNTZDZWTFENVHFMUNNOKSF | OOGXTHRNPLDZWTFENVIWVZXJRTAOHRFXKWOFGKOKSFMMMOYOLFMUUNTZDZWTFENVHFMUNNOKSF | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0317 | LGWERTHEDRAWBRIDGE | LGWERTHEDRAWBRIDGE | LOWER THE DRAWBRIDGE | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0016 | NCEDXGRZMSPWVHWIU | NCEDXGRZMSPWVHWIU | ARCHERS TO THE WALLS | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0627 | GDDGDFAXDDAGGGFAGFAAAFXAGAGAGADXAGAGAXADDFGFDFFDAGXXAXXFXGGDXDGXXXGXAXAGXADAAAFGADGGFAAGFGFGAA | GDDGDFAXDDAGGGFAGFAAAFXAGAGAGADXAGAGAXADDFGFDFFDAGXXAXXFXGGDXDGXXXGXAXAGXADAAAFGADGGFAAGFGFGAA | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 94 | 94 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0164 | 72 29 67 35 67 83 80 54 68 35 47 39 65 78 74 26 28 45 48 53 46 54 56 39 26 66 63 86 43 36 28 39 46 75 49 76 38 49 28 56 84 50 55 29 35 47 48 63 68 73 26 39 59 46 75 49 74 26 37 55 39 63 80 43 56 35 47 39 54 50 74 38 35 47 70 | 72 29 67 35 67 83 80 54 68 35 47 39 65 78 74 26 28 45 48 53 46 54 56 39 26 66 63 86 43 36 28 39 46 75 49 76 38 49 28 56 84 50 55 29 35 47 48 63 68 73 26 39 59 46 75 49 74 26 37 55 39 63 80 43 56 35 47 39 54 50 74 38 35 47 70 | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
cda-0019168 | AH-JAH / GAH / A-KHA / TSAH / DIBEH / MA-E / DZEH / DIBEH-YAZZIE / BE / NO-DA-IH / DIBEH / DZEH / DIBEH / WOL-LA-CHEE / BE / TKIN / AH-JAH / TKIN / THAN-ZIE / DIBEH / DZEH / CA-YEILTH / NO-DA-IH / DZEH / TSAH / MOASI /... | AH-JAH / GAH / A-KHA / TSAH / DIBEH / MA-E / DZEH / DIBEH-YAZZIE / BE / NO-DA-IH / DIBEH / DZEH / DIBEH / WOL-LA-CHEE / BE / TKIN / AH-JAH / TKIN / THAN-ZIE / DIBEH / DZEH / CA-YEILTH / NO-DA-IH / DZEH / TSAH / MOASI /... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | navajo_code | navajo_code | null | {} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
sigaba-v3-0385 | WJIBXQLEVNJBMQMUYDCXHVQHDFABXZYZAVRNVYPCSYLJPXFEJAQETTYHWMUGDLSNRNSLAHUKJGDRXP | WJIBXQLEVNJBMQMUYDCXHVQHDFABXZYZAVRNVYPCSYLJPXFEJAQETTYHWMUGDLSNRNSLAHUKJGDRXP | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
nomenclator-031 | 23 05 08 15 12 04 20 08 05 19 05 20 18 21 20 08 19 63 02 05 19 05 12 06 05 22 09 04 05 14 20 20 08 01 20 01 12 12 13 05 14 01 18 05 03 18 05 01 20 05 04 05 17 21 01 12 | 23 05 08 15 12 04 20 08 05 19 05 20 18 21 20 08 19 63 02 05 19 05 12 06 05 22 09 04 05 14 20 20 08 01 20 01 12 12 13 05 14 01 18 05 03 18 05 01 20 05 04 05 17 21 01 12 | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 112 | 167 | cipher_museum | 0.2 | public | null | null |
trifid-164 | RFQRJFDMYELCXVUAEMCRUFUCMGRXIIEXOSSEEZIYFREMOJ+NUOFMCSOSE | RFQRJFDMYELCXVUAEMCRUFUCMGRXIIEXOSSEEZIYFREMOJ+NUOFMCSOSE | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
rail-fence-v2-0036 | LTIAHBEEDRRTOY | LTIAHBEEDRRTOY | LIBERTY OR DEATH | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 7
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
bazeries-276 | EQDDTDMJVYQPTPRGTYNTQDDTRGYFYEJVRGTYFGYFKXDYMMYXTDP | EQDDTDMJVYQPTPRGTYNTQDDTRGYFYEJVRGTYFGYFKXDYMMYXTDP | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 31
} | advanced | en | 51 | 51 | cipher_museum | 0.2 | public | null | null |
adfgx-v2-0027 | XXAXFDFDAAGDAFFAXAFGFAXDXD | XXAXFDFDAAGDAFFAXAFGFAXDXD | HONOR ABOVE ALL | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0020 | YIRVWJLEHURP | YIRVWJLEHURP | GOLD FROM LEAD | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
vic-v2-0184 | 1090834748210010828285802884690480908348346924060809083446889083608080688304898993689918685090834816248581804486 | 1090834748210010828285802884690480908348346924060809083446889083608080688304898993689918685090834816248581804486 | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 112 | 112 | cipher_museum | 2.0 | public | null | null |
rail-fence-vg-0071 | FGDEHUORNOEONIRACRSSODPEIAERRDAWCTNIETGWSPDDCWAIHOKEISJOOOKAEVNESRDTDRRA | FGDEHUORNOEONIRACRSSODPEIAERRDAWCTNIETGWSPDDCWAIHOKEISJOOOKAEVNESRDTDRRA | FOR WE ARE GOD IS HANDIWORK CREATED IN CHRIST JESUS TO DO GOOD WORKS PREPARED IN ADVANCE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 5
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0427 | GGDFDFAXAAAFXFDAADGXFGAFGXGGFDXAAAGFGGXDGGGGFFDFGDGFFGGXAXGGGDFAGDXXAADDDAXFGGGADGGAFAADGGGADXGAADAXADGAAGFXFFGAFFDGGGGDDFDFGFFDAAADGGDADAADDGDGFDAXXDFDFA | GGDFDFAXAAAFXFDAADGXFGAFGXGGFDXAAAGFGGXDGGGGFFDFGDGFFGGXAXGGGDFAGDXXAADDDAXFGGGADGGAFAADGGGADXGAADAXADGAAGFXFFGAFFDGGGGDDFDFGFFDAAADGGDADAADDGDGFDAXXDFDFA | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
cda-0015941 | 19.5.7 1.5.6 9.5.10 17.2.1 9.6.2 15.3.1 2.3.5 20.4.6 11.2.2 19.3.9 19.2.4 16.3.6 10.1.8 1.6.3 14.3.10 17.5.1 8.3.8 2.2.5 3.6.9 3.6.6 8.4.10 3.2.5 12.5.5 17.2.5 18.1.5 3.4.8 8.5.8 5.5.8 6.3.6 20.3.6 16.2.1 1.5.1 7.4.8 6.4.5 19.4.4 13.6.8 18.3.1 6.6.1 1.6.2 2.6.3 7.4.2 18.1.5 12.3.7 16.3.3 12.4.2 20.4.8 20.2.6 6.3.4 15.4... | 19.5.7 1.5.6 9.5.10 17.2.1 9.6.2 15.3.1 2.3.5 20.4.6 11.2.2 19.3.9 19.2.4 16.3.6 10.1.8 1.6.3 14.3.10 17.5.1 8.3.8 2.2.5 3.6.9 3.6.6 8.4.10 3.2.5 12.5.5 17.2.5 18.1.5 3.4.8 8.5.8 5.5.8 6.3.6 20.3.6 16.2.1 1.5.1 7.4.8 6.4.5 19.4.4 13.6.8 18.3.1 6.6.1 1.6.2 2.6.3 7.4.2 18.1.5 12.3.7 16.3.3 12.4.2 20.4.8 20.2.6 6.3.4 15.4... | THE MESSAGE WAS HIDDEN BUT NOT SECURE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | arnold_andre | arnold_andre | null | {} | hard | en | 120 | 120 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0021024 | BHSMTKTPKAKJQWYQMFRHUWBSRJJUGUJIPCCGMVNOHLJVNUNSOOWMUTPSKNZBQAFKLOPAQHOKHBDETHCXREBPYATTMHJWCBFMQOFGVMNHYUPFPVMZVURNCIINCZSYAMLHWGWMCKYWQXPZOHCPMHJWMSWOPRHSDE | BHSMTKTPKAKJQWYQMFRHUWBSRJJUGUJIPCCGMVNOHLJVNUNSOOWMUTPSKNZBQAFKLOPAQHOKHBDETHCXREBPYATTMHJWCBFMQOFGVMNHYUPFPVMZVURNCIINCZSYAMLHWGWMCKYWQXPZOHCPMHJWMSWOPRHSDE | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE ARCHITECTURE SHOULD MAKE MISUSE HARDER POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE BEST LESSONS SHOW WHERE THE METHOD FAILS | one_time_pad | one_time_pad | null | {} | hard | en | 158 | 158 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
confederate-vigenere-214 | DBYTGKFZJGLHFDOQOXGZRRIUMVVUJZUMCWRDUGL | DBYTGKFZJGLHFDOQOXGZRRIUMVVUJZUMCWRDUGL | IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 39 | 39 | cipher_museum | 0.2 | public | null | null |
cda-0008221 | COLRNESENHITTOHIDNLEBATRUAETTEARHLOHSPEETALTTIAIPRELGCCINDULTTLOILEUCCIDFIXATTRYORASNEGEFPXSINESPTIITNAUESSEIOTDPIPMNGACFTHNXAACAEOIUIRREXCMAUNAIERXEESLWORCELHDNYFEESXTIZRITZN | COLRNESENHITTOHIDNLEBATRUAETTEARHLOHSPEETALTTIAIPRELGCCINDULTTLOILEUCCIDFIXATTRYORASNEGEFPXSINESPTIITNAUESSEIOTDPIPMNGACFTHNXAACAEOIUIRREXCMAUNAIERXEESLWORCELHDNYFEESXTIZRITZN | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "PATTERN"
} | hard | en | 175 | 175 | synthetic_educational | null | null | [] | |
hill-v2-0568 | ATOAZASRLIHOOXGGWVHDWNXCZULIZHBMWPDQNNDSJISRDTXCZUMIVWWPRPVBNNFUFEXDHDFCUQHV | ATOAZASRLIHOOXGGWVHDWNXCZULIZHBMWPDQNNDSJISRDTXCZUMIVWWPRPVBNNFUFEXDHDFCUQHV | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0020161 | 17.25.3 5.36.5 4.42.6 12.16.5 12.43.12 15.14.15 13.3.12 4.7.9 13.22.8 17.32.6 15.33.1 12.24.1 13.25.3 2.17.9 4.7.1 1.15.14 19.18.13 19.1.6 15.49.14 5.18.14 1.16.1 9.41.6 3.22.9 10.8.14 13.34.11 5.32.14 17.47.11 20.23.3 17.6.1 7.4.4 10.33.7 10.21.12 8.35.11 9.41.8 14.5.11 19.37.4 10.47.8 8.49.6 7.17.9 10.34.4 20.25.11 1... | 17.25.3 5.36.5 4.42.6 12.16.5 12.43.12 15.14.15 13.3.12 4.7.9 13.22.8 17.32.6 15.33.1 12.24.1 13.25.3 2.17.9 4.7.1 1.15.14 19.18.13 19.1.6 15.49.14 5.18.14 1.16.1 9.41.6 3.22.9 10.8.14 13.34.11 5.32.14 17.47.11 20.23.3 17.6.1 7.4.4 10.33.7 10.21.12 8.35.11 9.41.8 14.5.11 19.37.4 10.47.8 8.49.6 7.17.9 10.34.4 20.25.11 1... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS A STRONG CLAIM NEEDS STRONG EVIDENCE | book_cipher | book_cipher | null | {} | hard | en | 183 | 183 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
kryha-v3-0068 | UPTEEFEESKBAGTEDGXYOVKBKFRLERSTWVQJKKGBHUZHOFYLOWSILCGTKQNFLVILREIPFRGMEDYT | UPTEEFEESKBAGTEDGXYOVKBKFRLERSTWVQJKKGBHUZHOFYLOWSILCGTKQNFLVILREIPFRGMEDYT | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0003055 | IEERSINEDESTLREMCHCADRPNSIETINTUNAIITRUPOTFSERASISARLGTLTCUFEREBIOOEETNCCARONTRHUTAHEFTOHUSRCARIESAPPEPHSITREESEVTCELOTCCBFREIRDTTUL | IEERSINEDESTLREMCHCADRPNSIETINTUNAIITRUPOTFSERASISARLGTLTCUFEREBIOOEETNCCARONTRHUTAHEFTOHUSRCARIESAPPEPHSITREESEVTCELOTCCBFREIRDTTUL | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "PALACE"
} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
confederate-vigenere-v3-0347 | LASNTLLPQSEZF | LASNTLLPQSEZF | THE APPLE FALLS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0013781 | 5 18 18 15 18 3 15 18 18 5 3 20 9 15 14 1 14 4 4 5 20 5 3 20 9 15 14 1 18 5 6 21 14 4 1 13 5 14 20 1 12 20 15 19 5 3 21 18 5 19 25 19 20 5 13 19 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 20 23 15 19 17 21 1 18 5 3 9 16 8 5 18 5 14 3 18 25 16 20 19 4 9 7 18 1 16 8 19 23... | 5 18 18 15 18 3 15 18 18 5 3 20 9 15 14 1 14 4 4 5 20 5 3 20 9 15 14 1 18 5 6 21 14 4 1 13 5 14 20 1 12 20 15 19 5 3 21 18 5 19 25 19 20 5 13 19 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 3 9 16 8 5 18 19 20 23 15 19 17 21 1 18 5 3 9 16 8 5 18 5 14 3 18 25 16 20 19 4 9 7 18 1 16 8 19 23... | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 148 | 148 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
vigenere-390 | TRJAROVUYLG | TRJAROVUYLG | RALLY AT DAWN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "CRYPTO"
} | intermediate | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
kryha-v2-0136 | QGZZTJJYXBUBMCTUAISKT | QGZZTJJYXBUBMCTUAISKT | BRIDGE DESTROYED AT DAWN | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0021011 | 20 8 5 22 9 7 5 14 5 18 5 3 9 16 8 5 18 21 19 5 19 1 18 5 16 5 1 20 9 14 7 11 5 25 23 15 18 4 | 20 8 5 22 9 7 5 14 5 18 5 3 9 16 8 5 18 21 19 5 19 1 18 5 16 5 1 20 9 14 7 11 5 25 23 15 18 4 | THE VIGENERE CIPHER USES A REPEATING KEYWORD | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
fractionated-morse-v2-0589 | UEGAFPMVVGFMNEMDVLJPPEVCIEDWMAPAPSETQVGNPSCNTRTXCSGTEXMQESCIEHRCTPGCTWWMGALUARGSGAAGTEESJARDN | UEGAFPMVVGFMNEMDVLJPPEVCIEDWMAPAPSETQVGNPSCNTRTXCSGTEXMQESCIEHRCTPGCTWWMGALUARGSGAAGTEESJARDN | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 93 | 93 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0098 | QIMRURPKKTRQTLQCKKMELDWY | QIMRURPKKTRQTLQCKKMELDWY | ROME WAS NOT BUILT IN ONE DAY | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
beaufort-la-062 | HEYZLRKNBPTJBEYHDJJ | HEYZLRKNBPTJBEYHDJJ | VERITAS VOS LIBERABIT | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | la | 19 | 19 | cipher_museum | 0.2 | public | null | null |
cda-0002763 | GURRA VTZNZ NPUVA RHFRQ EBGBE FGBPE RNGRN CBYLN YCUNO RGVPP VCURE BCRAF BHEPR GBBYF NYYBJ VAQRC RAQRA GIREV SVPNG VBARA GEBCL ZRNFH ERFHA PREGN VAGLV ANQVF GEVOH GVBAG URCYN LSNVE PVCUR ERAPE LCGFC NVEFB SYRGG REFFV ZHYGN ARBHF YL | GURRA VTZNZ NPUVA RHFRQ EBGBE FGBPE RNGRN CBYLN YCUNO RGVPP VCURE BCRAF BHEPR GBBYF NYYBJ VAQRC RAQRA GIREV SVPNG VBARA GEBCL ZRNFH ERFHA PREGN VAGLV ANQVF GEVOH GVBAG URCYN LSNVE PVCUR ERAPE LCGFC NVEFB SYRGG REFFV ZHYGN ARBHF YL | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 192 | 192 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
kryptos-073 | HKYAQIEFIICKYVN | HKYAQIEFIICKYVN | ENEMY FORCES NEAR | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "PALIMPSEST"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0020376 | 68 88 48 80 82 11 49 43 80 93 48 53 2 40 49 70 2 91 49 26 99 46 66 70 64 11 3 23 63 33 27 68 48 64 60 34 93 24 34 1 4 50 66 15 35 93 63 88 23 58 91 23 53 91 52 66 46 61 49 33 82 70 64 94 23 39 39 40 27 99 59 70 68 58 26 64 32 87 22 62 63 14 67 96 59 87 80 22 92 35 34 41 63 68 45 57 3 82 63 17 41 59 70 70 49 99 33 25 22... | 68 88 48 80 82 11 49 43 80 93 48 53 2 40 49 70 2 91 49 26 99 46 66 70 64 11 3 23 63 33 27 68 48 64 60 34 93 24 34 1 4 50 66 15 35 93 63 88 23 58 91 23 53 91 52 66 46 61 49 33 82 70 64 94 23 39 39 40 27 99 59 70 68 58 26 64 32 87 22 62 63 14 67 96 59 87 80 22 92 35 34 41 63 68 45 57 3 82 63 17 41 59 70 70 49 99 33 25 22... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | homophonic | homophonic | null | {} | hard | en | 121 | 121 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
enigma-v3-0455 | AMZLSQQVTEHVRYGKHNOKR | AMZLSQQVTEHVRYGKHNOKR | THE EXPERIMENT CONFIRMS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "MNO"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
enigma-211 | UVNCRVNLGQQVOFJALHQGRABJNSSTZGFPVOVMQRNTCUTLCHXMYSZQURYOG | UVNCRVNLGQQVOFJALHQGRABJNSSTZGFPVOVMQRNTCUTLCHXMYSZQURYOG | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | enigma | enigma | machine | {
"type": "rotor_start",
"value": "RMS"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
four-square-v2-0569 | EUDCTNINTRQPDKFBASHPQDDNQDDFKQWMKGEOHUITOMGSRDNUSUPTDNWAKUTOTNASSTALLODDDNSTYECNSCRDHL | EUDCTNINTRQPDKFBASHPQDDNQDDFKQWMKGEOHUITOMGSRDNUSUPTDNWAKUTOTNASSTALLODDDNSTYECNSCRDHL | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
cda-0006744 | QELCGBUEOCVL ERJOEQF COGWRANR OAQ QOESTHY GUWAXWAT | QELCGBUEOCVL ERJOEQF COGWRANR OAQ QOESTHY GUWAXWAT | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | porta | porta | null | {
"key": "SECURE"
} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
cda-0011441 | POBOTITIARRATDELCUTSPASTEHKHUIOBAMERNLOBSNXTENPW | POBOTITIARRATDELCUTSPASTEHKHUIOBAMERNLOBSNXTENPW | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | stager_route | stager_route | null | {
"cols": 8
} | medium | en | 48 | 48 | synthetic_educational | null | null | [] | |
hill-v3-0057 | XILDDEBUVUNNOPCQDPAVPYWHDPTGTFPVRMKYLMFWRNBJMWGEKRTZKMKSZQZVTFRPQMNAHKZR | XILDDEBUVUNNOPCQDPAVPYWHDPTGTFPVRMKYLMFWRNBJMWGEKRTZKMKSZQZVTFRPQMNAHKZR | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0341 | DUTCJEYEHWHFYTIFEWXH | DUTCJEYEHWHFYTIFEWXH | THE REDCOATS ARE COMING | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0010 | SCVQNKMIXXSNAFDAKTXOD | SCVQNKMIXXSNAFDAKTXOD | BRIDGE DESTROYED AT DAWN | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0448 | RGDIHBKDJRGKHEDFNKCGADHKXNMAEIRIAHYAWQHWBDCLRQDUZYGZIOTDMWFDMNRVZNKLGDQ | RGDIHBKDJRGKHEDFNKCGADHKXNMAEIRIAHYAWQHWBDCLRQDUZYGZIOTDMWFDMNRVZNKLGDQ | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "HARBOUR"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-496 | QFJY OFCJIKOAFHFJSQ | QFJY OFCJIKOAFHFJSQ | SEND REINFORCEMENTS | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PLAYFAIR"
} | beginner | en | 18 | 19 | cipher_museum | 0.2 | public | null | null |
diana-v2-0016 | PMSCNFTJJNNNRH | PMSCNFTJJNNNRH | COVER MY RETREAT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0013359 | . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / - .... . / .- .-. -.-. .... .. - . -.-. - ..- .-. . / ... .... --- ..- .-.. -.. / -- .- -.- . / -- .. ... ..- ... . / .... .- .-. -.. . .-. / - .... . / --- -. . / - .. -- . / .--. .- -.. / .... | . ...- . .-. -.-- / ... -.-- ... - . -- / -. . . -.. ... / .- -. / .... --- -. . ... - / - .... .-. . .- - / -- --- -.. . .-.. / - .... . / .- .-. -.-. .... .. - . -.-. - ..- .-. . / ... .... --- ..- .-.. -.. / -- .- -.- . / -- .. ... ..- ... . / .... .- .-. -.. . .-. / - .... . / --- -. . / - .. -- . / .--. .- -.. / .... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | morse_code | morse_code | null | {} | hard | en | 126 | 126 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
kryptos-v3-0119 | UUTNSVIYITKSTB | UUTNSVIYITKSTB | THE SIEGE BEGINS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0437 | EISGTNRALPNSEIPHARGCSHTENL | EISGTNRALPNSEIPHARGCSHTENL | THE PRINTING PRESS CHANGES ALL | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
chaocipher-206 | VSECLJKCHWVJOQX | VSECLJKCHWVJOQX | FORWARD MARCH NOW | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
porta-v2-0193 | QLAUVXNTOMLQLZTKZYEXOEZSAUVQNNCSLVLWGYNNNLFWVLWQRITAXEDBPMHLFEGNSUVRXBWZNRJ | QLAUVXNTOMLQLZTKZYEXOEZSAUVQNNCSLVLWGYNNNLFWVLWQRITAXEDBPMHLFEGNSUVRXBWZNRJ | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0307 | DZJGSIVLZXKMOVZLZDQRLIPCVUMKLIUAXBESXLUEWBLFGRCOBLRCPMXKMTIVLVQPIHIPBMVWSMV | DZJGSIVLZXKMOVZLZDQRLIPCVUMKLIUAXBESXLUEWBLFGRCOBLRCPMXKMTIVLVQPIHIPBMVWSMV | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0237 | 173 150 136 179 165 149 161 115 167 101 124 120 147 148 168 160 182 138 157 117 152 156 165 173 109 112 117 158 177 147 101 143 122 117 110 151 149 162 149 179 150 133 181 170 158 164 151 143 181 147 155 136 165 114 143 149 177 117 175 157 165 136 135 129 155 128 156 147 101 131 135 154 121 177 169 165 149 129 137 135 ... | 173 150 136 179 165 149 161 115 167 101 124 120 147 148 168 160 182 138 157 117 152 156 165 173 109 112 117 158 177 147 101 143 122 117 110 151 149 162 149 179 150 133 181 170 158 164 151 143 181 147 155 136 165 114 143 149 177 117 175 157 165 136 135 129 155 128 156 147 101 131 135 154 121 177 169 165 149 129 137 135 ... | 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 | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 315 | 419 | cipher_museum | 2.0 | public | null | null |
cda-0012918 | TKIN / TSAH / BE / DZEH / AL-AN-AS-DZOH / A-KHA / MA-E / MOASI / A-KHA / TKIN / TSAH / MOASI / TKIN / BE / DZEH / TSAH / MOASI / DZEH / NA-AS-TSO-SI / DZEH / WOL-LA-CHEE / DIBEH / NO-DA-IH / GAH / DZEH / DIBEH / DIBE... | TKIN / TSAH / BE / DZEH / AL-AN-AS-DZOH / A-KHA / MA-E / MOASI / A-KHA / TKIN / TSAH / MOASI / TKIN / BE / DZEH / TSAH / MOASI / DZEH / NA-AS-TSO-SI / DZEH / WOL-LA-CHEE / DIBEH / NO-DA-IH / GAH / DZEH / DIBEH / DIBE... | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CERTAINLY | navajo_code | navajo_code | null | {} | hard | en | 194 | 194 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
porta-v2-0090 | SNKGBLXRGJUJVBMAHWMOYZTWWRXSUKXEOWCYOCOWCUXGMWCJDRKWSNVBXWSXFGOJOWMCOWNRJCYA | SNKGBLXRGJUJVBMAHWMOYZTWWRXSUKXEOWCYOCOWCUXGMWCJDRKWSNVBXWSXFGOJOWMCOWNRJCYA | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "NAPLES"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
cda-0014652 | ⟨a29⟩ ⟨w32⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w08⟩ ⟨a01⟩ ⟨w26⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨a11⟩ ⟨a01⟩ ⟨w10⟩ ⟨w14⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨w22⟩ ⟨w... | ⟨a29⟩ ⟨w32⟩ ⟨a01⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨w08⟩ ⟨a01⟩ ⟨w26⟩ ⟨w20⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨a11⟩ ⟨a01⟩ ⟨w10⟩ ⟨w14⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a23⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨w22⟩ ⟨w... | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | babington | babington | null | {} | hard | en | 144 | 144 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
m94-v2-0310 | DOFXEJCJCNGQYKPNHNXYIQDCHYUBPLRSUHHOINFOWKZKYMQDGKOQBSSCXZLYLPQBLUQMOWQMDTQVNB | DOFXEJCJCNGQYKPNHNXYIQDCHYUBPLRSUHHOINFOWKZKYMQDGKOQBSSCXZLYLPQBLUQMOWQMDTQVNB | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0013189 | 10.4.9 9.1.5 7.5.9 4.4.5 3.2.7 12.1.3 1.6.9 4.6.7 3.4.1 13.2.1 17.5.1 9.6.3 3.4.7 10.1.6 10.4.5 9.6.4 14.1.1 17.5.7 10.4.1 19.1.1 14.1.6 18.4.3 11.1.6 3.2.9 15.2.2 5.6.2 3.1.1 13.6.10 13.5.10 19.5.9 5.2.3 6.4.9 13.3.9 6.6.3 2.5.5 4.6.10 9.5.2 18.5.1 15.5.8 3.4.1 17.2.9 4.4.8 6.1.4 11.2.4 13.6.1 2.6.2 11.4.5 2.4.4 3.6.2... | 10.4.9 9.1.5 7.5.9 4.4.5 3.2.7 12.1.3 1.6.9 4.6.7 3.4.1 13.2.1 17.5.1 9.6.3 3.4.7 10.1.6 10.4.5 9.6.4 14.1.1 17.5.7 10.4.1 19.1.1 14.1.6 18.4.3 11.1.6 3.2.9 15.2.2 5.6.2 3.1.1 13.6.10 13.5.10 19.5.9 5.2.3 6.4.9 13.3.9 6.6.3 2.5.5 4.6.10 9.5.2 18.5.1 15.5.8 3.4.1 17.2.9 4.4.8 6.1.4 11.2.4 13.6.1 2.6.2 11.4.5 2.4.4 3.6.2... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | arnold_andre | arnold_andre | null | {} | hard | en | 148 | 148 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
zimmermann-058 | 99999 90022 90007 90004 90019 90007 90004 90017 99998 99999 90019 90007 90004 90017 90004 90005 90014 90017 90004 99998 99999 90024 90004 99998 99999 90004 90000 90019 99998 00021 99999 90003 90017 90008 90013 90010 99998 00021 99999 90022 90007 90000 90019 90018 90014 90004 90021 90004 90017 99998 99999 90024 90004 99... | 99999 90022 90007 90004 90019 90007 90004 90017 99998 99999 90019 90007 90004 90017 90004 90005 90014 90017 90004 99998 99999 90024 90004 99998 99999 90004 90000 90019 99998 00021 99999 90003 90017 90008 90013 90010 99998 00021 99999 90022 90007 90000 90019 90018 90014 90004 90021 90004 90017 99998 99999 90024 90004 99... | 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 | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 720 | 863 | cipher_museum | 0.2 | public | null | null |
trithemius-v3-0008 | TIG VISGAM MONDRSH | TIG VISGAM MONDRSH | THE SENATE DECREES | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 16 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0013426 | ⟨a29⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a... | ⟨a29⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨w10⟩ ⟨a19⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a... | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | babington | babington | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
porta-v2-0301 | CQRLIRUVBMKOZWFTCVABKKFBFRRAWPZKQMCLGRBTRJGZQXNABXVINNBWIBRTVWIWBRXBDQ | CQRLIRUVBMKOZWFTCVABKKFBFRRAWPZKQMCLGRBTRJGZQXNABXVINNBWIBRTVWIWBRXBDQ | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0193 | SUPPEVIHPFNNTXBCEEQMXPIGYHSINOORTHREEDCXSOQHYAVBEQRESUPPEVORBRICKTGEOUGHIHPFPZ | SUPPEVIHPFNNTXBCEEQMXPIGYHSINOORTHREEDCXSOQHYAVBEQRESUPPEVORBRICKTGEOUGHIHPFPZ | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0217 | 09908 09996 09993 09907 09993 09991 09906 09993 09908 09900 09997 09993 09907 09990 09919 09906 09997 09993 09992 09990 09993 09902 09993 09999 09908 09996 09908 09996 09993 09908 09996 09997 09906 09992 09994 09900 09999 09995 09907 09908 09903 09902 09993 09903 09994 09908 09996 09993 09903 09900 09992 09991 09996 09... | 09908 09996 09993 09907 09993 09991 09906 09993 09908 09900 09997 09993 09907 09990 09919 09906 09997 09993 09992 09990 09993 09902 09993 09999 09908 09996 09908 09996 09993 09908 09996 09997 09906 09992 09994 09900 09999 09995 09907 09908 09903 09902 09993 09903 09994 09908 09996 09993 09903 09900 09992 09991 09996 09... | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 400 | 479 | cipher_museum | 2.0 | public | null | null |
cda-0020982 | VOSYUDIPUIXEBXJNMKHSQWQOAYJXIUPJFNVXAUMAGOUCOPAMUEPJIPCXTUXETPHAOPQBKZYDZHMVPUCBLHGJIXVETAVHRTDZZFNZNIJSOWOFZDDMKOVRGXEQWQBYELAALWNPTDHTZFNMGRKGPGYNUSUJKWGSGAAVCMJJRG | VOSYUDIPUIXEBXJNMKHSQWQOAYJXIUPJFNVXAUMAGOUCOPAMUEPJIPCXTUXETPHAOPQBKZYDZHMVPUCBLHGJIXVETAVHRTDZZFNZNIJSOWOFZDDMKOVRGXEQWQBYELAALWNPTDHTZFNMGRKGPGYNUSUJKWGSGAAVCMJJRG | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE ARCHITECTURE SHOULD MAKE MISUSE HARDER ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | one_time_pad | one_time_pad | null | {} | hard | en | 166 | 166 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
venona-pad-reuse-v3-0132 | IGMXU3JP3JP2LW72FACU45PJXVB | IGMXU3JP3JP2LW72FACU45PJXVB | DONT FIRE TILL YOU SEE THE WHITES | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 27 | 27 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-242 | TFOEEECALN | TFOEEECALN | FLEE AT ONCE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
cda-0018368 | IXDCZQCTOSRKCBBISRGDVJNSJDZVPGXRYVIVAUCZHKXBUFZIXMFGMXRSEEKBTVDUPHNVIYEXLBBOEBSBXUBFAUOKFDQDGFCYPDLCVCPULWVXZODXIFXMZNKDDBHLNOUELXVNZDS | IXDCZQCTOSRKCBBISRGDVJNSJDZVPGXRYVIVAUCZHKXBUFZIXMFGMXRSEEKBTVDUPHNVIYEXLBBOEBSBXUBFAUOKFDQDGFCYPDLCVCPULWVXZODXIFXMZNKDDBHLNOUELXVNZDS | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | one_time_pad | one_time_pad | null | {} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
adfgx-v2-0364 | AAGGFDXFGFGGFXDXGAGGDDGGAF | AAGGFDXFGFGGFXDXGAGGDDGGAF | STAY THE COURSE | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-059 | 90 19 38 71 91 90 52 10 63 91 90 84 85 91 90 23 60 77 91 90 64 78 91 90 31 14 91 90 53 89 19 52 82 91 90 64 50 21 84 10 63 60 69 27 13 91 90 19 31 91 90 63 48 71 91 90 26 19 52 63 13 91 90 89 19 91 90 64 78 91 90 60 91 90 15 52 63 19 71 77 91 90 84 85 91 90 11 89 14 13 91 90 60 41 12 91 90 17 71 52 63 38 91 90 60 91 90... | 90 19 38 71 91 90 52 10 63 91 90 84 85 91 90 23 60 77 91 90 64 78 91 90 31 14 91 90 53 89 19 52 82 91 90 64 50 21 84 10 63 60 69 27 13 91 90 19 31 91 90 63 48 71 91 90 26 19 52 63 13 91 90 89 19 91 90 64 78 91 90 60 91 90 15 52 63 19 71 77 91 90 84 85 91 90 11 89 14 13 91 90 60 41 12 91 90 17 71 52 63 38 91 90 60 91 90... | 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 | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "WALLIS"
} | expert | en | 460 | 689 | cipher_museum | 0.2 | public | null | null |
cda-0005224 | NENUU NXNRS INTWY EENDA CAVEN IIOCO DENIM TESSR UEREE PNNIE STIAS EXFCC TORYH RSLRM RTFCN ACOLA TTEHU YATYB DESAX LCCNU TQFOS DCRPE OKIAA WRSON AFERO TEOOE ROC | NENUU NXNRS INTWY EENDA CAVEN IIOCO DENIM TESSR UEREE PNNIE STIAS EXFCC TORYH RSLRM RTFCN ACOLA TTEHU YATYB DESAX LCCNU TQFOS DCRPE OKIAA WRSON AFERO TEOOE ROC | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "PATTERN"
} | hard | en | 133 | 133 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
wallis-cipher-045 | 90 64 91 90 38 52 53 71 91 90 69 84 19 91 90 88 13 63 91 90 49 71 59 33 41 91 90 19 31 91 90 85 89 32 48 63 91 90 78 60 64 12 91 90 19 38 13 91 112 90 63 84 91 90 19 48 71 91 90 27 10 13 23 91 | 90 64 91 90 38 52 53 71 91 90 69 84 19 91 90 88 13 63 91 90 49 71 59 33 41 91 90 19 31 91 90 85 89 32 48 63 91 90 78 60 64 12 91 90 19 38 13 91 112 90 63 84 91 90 19 48 71 91 90 27 10 13 23 91 | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "WALLIS"
} | expert | en | 129 | 192 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0318 | 73 26 46 55 36 76 29 49 35 27 87 38 | 73 26 46 55 36 76 29 49 35 27 87 38 | YANKEE DOODLE | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 24 | 35 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0189 | LFUEBKEUTPBBKMRADUIQXBRMKLFUOVPXBRFXSLPBFVKLFUGBKHFXRLSLBKHSTUTUFUTPSBRMKLFUFXSLPC | LFUEBKEUTPBBKMRADUIQXBRMKLFUOVPXBRFXSLPBFVKLFUGBKHFXRLSLBKHSTUTUFUTPSBRMKLFUFXSLPC | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0309 | SBRZCKGBQXEQFPSX | SBRZCKGBQXEQFPSX | THE WIND IS WITH US | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
m94-083 | GTKEODBYYKQST | GTKEODBYYKQST | THE KING IS DEAD | m94 | m94 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
polybius-de-006 | 52 24 42 43 24 33 14 14 11 43 51 34 31 25 | 52 24 42 43 24 33 14 14 11 43 51 34 31 25 | WIR SIND DAS VOLK | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | de | 28 | 41 | cipher_museum | 0.2 | public | null | null |
kryptos-v2-0045 | DYVJFOEDMLVHDNEXQJLNTPEBWKIUCXRZHPIFDSYJCCEOXIYTFAVWNRDYMQFZ | DYVJFOEDMLVHDNEXQJLNTPEBWKIUCXRZHPIFDSYJCCEOXIYTFAVWNRDYMQFZ | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
cda-0011377 | GURI VTRA RERP VCUR EHFR FNER CRNG VATX RLJB EQCB YLNY CUNO RGVP PVCU REFH FRZH YGVC YRNY CUNO RGFU VSGF SNVY PYBF RQVF NCBF GHER ABGN FYBT NACR REER IVRJ NAQE RCEB QHPV OVYV GLZN GGRE VAER FRNE PU | GURI VTRA RERP VCUR EHFR FNER CRNG VATX RLJB EQCB YLNY CUNO RGVP PVCU REFH FRZH YGVC YRNY CUNO RGFU VSGF SNVY PYBF RQVF NCBF GHER ABGN FYBT NACR REER IVRJ NAQE RCEB QHPV OVYV GLZN GGRE VAER FRNE PU | THE VIGENERE CIPHER USES A REPEATING KEYWORD POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS FAIL CLOSED IS A POSTURE NOT A SLOGAN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 158 | 158 | synthetic_educational | null | null | [] | |
vic-v3-0105 | 8648868986488668068990886 | 8648868986488668068990886 | PER ASPERA AD ASTRA | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0326 | REPGSENMEOIHLTCEYRRNTLROEPDTEFUENHONBRAFNTNTSAAOLAGNORINCFLHTUIETOKEWTHOTIBIC | REPGSENMEOIHLTCEYRRNTLROEPDTEFUENHONBRAFNTNTSAAOLAGNORINCFLHTUIETOKEWTHOTIBIC | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
caesar-366 | ACZNPPO LD AWLYYPO | ACZNPPO LD AWLYYPO | PROCEED AS PLANNED | caesar | caesar | substitution | {
"type": "shift",
"value": 11
} | beginner | en | 16 | 18 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v2-0165 | 90 15 85 55 88 63 41 25 91 90 18 67 47 89 91 90 18 30 77 91 90 44 47 81 33 53 91 90 12 20 18 75 76 91 | 90 15 85 55 88 63 41 25 91 90 18 67 47 89 91 90 18 30 77 91 90 44 47 81 33 53 91 90 12 20 18 75 76 91 | TORPEDO AWAY ALL HANDS BRACE | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 68 | 101 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0112 | LFUFUHSLVAVHTUAR | LFUFUHSLVAVHTUAR | THE SENATE DECREES | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
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