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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cda-0013834 | WVYQ WERW AVJR WHPX ZSAC GNAB WHCW CMAS LVXG GIQH BUIY MWVG S | WVYQ WERW AVJR WHPX ZSAC GNAB WHCW CMAS LVXG GIQH BUIY MWVG S | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | running_key | running_key | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
sigaba-200 | AQYLBSVUQOKLUHTCP | AQYLBSVUQOKLUHTCP | CRYPTOGRAPHY RULES | sigaba | sigaba | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
bazeries-v3-0389 | RYTFMQPBQNFMQMFYAQTIJRNJEIBQRSQMYUJRQFMYKJBVPIJBFQSJAQIBQMYGKJYAQEBQBPJKJXJQIJPYMKMSYRIY | RYTFMQPBQNFMQMFYAQTIJRNJEIBQRSQMYUJRQFMYKJBVPIJBFQSJAQIBQMYGKJYAQEBQBPJKJXJQIJPYMKMSYRIY | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 41
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0292 | G4 L0 Y0 V0 R0 B8 H9 F9 Y0 R0 I2 J4 X4 O4 H0 W9 J3 U6 M4 I2 N1 Y2 C7 E3 | G4 L0 Y0 V0 R0 B8 H9 F9 Y0 R0 I2 J4 X4 O4 H0 W9 J3 U6 M4 I2 N1 Y2 C7 E3 | NORTH STAR HOLDS FIRM COURSE | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 48 | 71 | cipher_museum | 2.0 | public | null | null |
playfair-vf-0001 | PDGMOXKIRSNMHYRMLTPDILSRAT | PDGMOXKIRSNMHYRMLTPDILSRAT | THE NAVIGATOR CHARTS THE STARS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "MONARCHY"
} | intermediate | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
cda-0008674 | QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA QB ABG PBASHFR BOSHFPNGVBA JVGU RAPELCGVBA SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF GBQNL | QVTENCU NAQ GEVTENCU SERDHRAPVRF RKCBFR FVZCYR PVCUREF CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA QB ABG PBASHFR BOSHFPNGVBA JVGU RAPELCGVBA SERDHRAPL NANYLFVF PNA ERIRNY JRNX PVCUREF GBQNL | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS TODAY | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 168 | 168 | synthetic_educational | null | null | [] | |
trifid-v3-0391 | VCHUJNPMRMOIY+ROFQNAAIDJDNPMKOMAUDNKRQRYGU+HXDGZJIDPZVGWFGDIDLQ+TRINOCC+JGXJBHDMGVQJ | VCHUJNPMRMOIY+ROFQNAAIDJDNPMKOMAUDNKRQRYGU+HXDGZJIDPZVGWFGDIDLQ+TRINOCC+JGXJBHDMGVQJ | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0174 | XXDLOVZVBDWWMBUHSXXTFYHYRCMUSKAYWILCMVTXGBCHFIQMPUGXSBKHYGSHYMSWEKKY | XXDLOVZVBDWWMBUHSXXTFYHYRCMUSKAYWILCMVTXGBCHFIQMPUGXSBKHYGSHYMSWEKKY | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0177 | 02 12 05 19 19 05 04 01 18 05 60 13 05 05 11 06 15 18 20 08 05 25 19 08 01 12 12 09 14 08 05 18 09 20 60 05 01 18 20 08 61 60 16 05 01 03 05 13 01 11 05 18 19 19 08 01 12 12 02 05 03 01 12 12 05 04 19 15 14 19 | 02 12 05 19 19 05 04 01 18 05 60 13 05 05 11 06 15 18 20 08 05 25 19 08 01 12 12 09 14 08 05 18 09 20 60 05 01 18 20 08 61 60 16 05 01 03 05 13 01 11 05 18 19 19 08 01 12 12 02 05 03 01 12 12 05 04 19 15 14 19 | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 140 | 209 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-138 | UTPK MBRAP PAMEFKC | UTPK MBRAP PAMEFKC | BURN AFTER READING | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | beginner | en | 16 | 18 | cipher_museum | 0.2 | public | null | null |
adfgvx-v2-0207 | GVFAAVDDDXFGAFAFADGVDXGAVAGAGFGFGAGAVDFFVFDFVAFGDVVFVDVAXAAGDDVAVAVFGFGAVAGDVFVAVADDAADAGDAAFADFAFXAFAAAADXADAFGAGXGFDXGDAGGDFAGAFAAXDDDGDFXAXAGADAXAGADAVGGDDADAV | GVFAAVDDDXFGAFAFADGVDXGAVAGAGFGFGAGAVDFFVFDFVAFGDVVFVDVAXAAGDDVAVAVFGFGAVAGDVFVAVADDAADAGDAAFADFAFXAFAAAADXADAFGAGXGFDXGDAGGDFAGAFAAXDDDGDFXAXAGADAXAGADAVGGDDADAV | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 162 | 162 | cipher_museum | 2.0 | public | null | null |
scytale-v3-0218 | PRSEADSRXXEAPRAATAXX | PRSEADSRXXEAPRAATAXX | PER ASPERA AD ASTRA | scytale | scytale | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0202 | JTAIMTWJKWEGILGQARAMYPPHXWDFXBXMJAWRAWIRSQTQTRSQKDEOGKHOOLXHBOKAFGRTCJXEIAHRRFYHLFEWRJXZQGPOHTLBKBEWFRERXEPNGHMMXKYZTXLFXMEMXTOFDTONFSFRKVNLGYNUXPNPBWIHJCYINPXS | JTAIMTWJKWEGILGQARAMYPPHXWDFXBXMJAWRAWIRSQTQTRSQKDEOGKHOOLXHBOKAFGRTCJXEIAHRRFYHLFEWRJXZQGPOHTLBKBEWFRERXEPNGHMMXKYZTXLFXMEMXTOFDTONFSFRKVNLGYNUXPNPBWIHJCYINPXS | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0742 | JUU FJAOJAN RB KJBNM XW MNLNYCRXW QNWLN FQNW JKUN CX JCCJLT FN VDBC BNNV DWJKUN FQNW DBRWP XDA OXALNB FN VDBC BNNV RWJLCREN FQNW FN JAN WNJA FN VDBC VJTN CQN NWNVH KNURNEN FN JAN OJA JFJH | JUU FJAOJAN RB KJBNM XW MNLNYCRXW QNWLN FQNW JKUN CX JCCJLT FN VDBC BNNV DWJKUN FQNW DBRWP XDA OXALNB FN VDBC BNNV RWJLCREN FQNW FN JAN WNJA FN VDBC VJTN CQN NWNVH KNURNEN FN JAN OJA JFJH | 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 | caesar | caesar | substitution | {
"type": "shift",
"value": 9
} | beginner | en | 151 | 187 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0184 | DFGADGDGXFFFDXGXXAFGAGGADGXAFDADGFXFXGDAGDFAADGDAGAFDADFDGGXGGAXAFFAFGDAAGDGDAAGDFFFFGFGGDDFDFAAAXGFAFGADDAAAAFXDXFDGFAFDAXADAGGDADADAAFGGXAADXGFGFDAG | DFGADGDGXFFFDXGXXAFGAGGADGXAFDADGFXFXGDAGDFAADGDAGAFDADFDGGXGGAXAFFAFGDAAGDGDAAGDFFFFGFGGDDFDFAAAXGFAFGADDAAAAFXDXFDGFAFDAXADAGGDADADAAFGGXAADXGFGFDAG | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0341 | TGEVRNPISUAQTUSSULGSICMMQDFLCSFSRZCSDSTHURDTQQIIHZRMOROQMCKODSTHRZCSKPQBEBKQLAEQMSNXRMOROQMCGADSUPPYRZCSEXTCSUKSRNZUKOQPDUCCODMCKSGWMUGETZRZTCSUPILUVUXY | TGEVRNPISUAQTUSSULGSICMMQDFLCSFSRZCSDSTHURDTQQIIHZRMOROQMCKODSTHRZCSKPQBEBKQLAEQMSNXRMOROQMCGADSUPPYRZCSEXTCSUKSRNZUKOQPDUCCODMCKSGWMUGETZRZTCSUPILUVUXY | 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 | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
cda-0013141 | MOAS IWOL LACH EEDZ EHDI BEHW OLLA CHEE GAHD IBEH LINT KINM AETH ANZI EDZE HBET HANZ IELI NDZE HWOL LACH EEDI BEHY AZZI ECLA GIAI HLIN WOLL ACHE ESHU SHDZ EHTH ANZI ESHU SHTS AHAS ZIHT HANZ IELI NGAH DZEH DZEH CLAG IAIH AKHA DIBE HTKI NTHA NZIE TKIN AKHA TSAH DIBE H | MOAS IWOL LACH EEDZ EHDI BEHW OLLA CHEE GAHD IBEH LINT KINM AETH ANZI EDZE HBET HANZ IELI NDZE HWOL LACH EEDI BEHY AZZI ECLA GIAI HLIN WOLL ACHE ESHU SHDZ EHTH ANZI ESHU SHTS AHAS ZIHT HANZ IELI NGAH DZEH DZEH CLAG IAIH AKHA DIBE HTKI NTHA NZIE TKIN AKHA TSAH DIBE H | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | navajo_code | navajo_code | null | {} | hard | en | 213 | 213 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
geheimschreiber-v3-0197 | GLLYWBFFRPFZZFLZSAYMOFSGEWEWWBXYCAYELWQILZGECJTFDIITXKMNYHOPEXIUZLVEHYCPCQSIVICENQGVWQMAEVLZDEGUKKMPOWSQIZPDPCRFNHLIXWGMAUYKTUMTTIKXRFDYSARAFECZHZAPUKKZYWEJZZKOKDHCGUQZF | GLLYWBFFRPFZZFLZSAYMOFSGEWEWWBXYCAYELWQILZGECJTFDIITXKMNYHOPEXIUZLVEHYCPCQSIVICENQGVWQMAEVLZDEGUKKMPOWSQIZPDPCRFNHLIXWGMAUYKTUMTTIKXRFDYSARAFECZHZAPUKKZYWEJZZKOKDHCGUQZF | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0735 | CPLXJPQTKSCEPRQQWSJNCAWUXRBPUSDVAOQAMPTKXZJKRNVAYFAZPBJOZVSYQMLGXCMYTHXUTGSMXVYYQMYK | CPLXJPQTKSCEPRQQWSJNCAWUXRBPUSDVAOQAMPTKXZJKRNVAYFAZPBJOZVSYQMLGXCMYTHXUTGSMXVYYQMYK | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
wheatstone-v3-0240 | SDAQDLSDABPTPLUKTSDAWLPHT | SDAQDLSDABPTPLUKTSDAWLPHT | THE SHOT HEARD ROUND THE WORLD | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
cda-0012277 | -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. . .- -.. ... / -.-. --- .-.. ..- -- -. ... / .. -. / -.- . -.-- / --- .-. -.. . .-. / - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. . | -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -. ... .--. --- ... .. - .. --- -. / .-. . .- -.. ... / -.-. --- .-.. ..- -- -. ... / .. -. / -.- . -.-- / --- .-. -.. . .-. / - .... . / -- . ... ... .- --. . / .-- .- ... / .... .. -.. -.. . -. / -... ..- - / -. --- - / ... . -.-. ..- .-. . | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE MESSAGE WAS HIDDEN BUT NOT SECURE | morse_code | morse_code | null | {} | medium | en | 74 | 74 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0020462 | KCSRN GLAQD UCMUL TEBYJ LEOPQ UPSOE IAFWE KWZXY KUBTW WGGOG GCPWH BRWBT KOGHT YXLWU GYYVQ TDIXA DZETM FHSMH BH | KCSRN GLAQD UCMUL TEBYJ LEOPQ UPSOE IAFWE KWZXY KUBTW WGGOG GCPWH BRWBT KOGHT YXLWU GYYVQ TDIXA DZETM FHSMH BH | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | running_key | running_key | null | {} | hard | en | 92 | 92 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
one-time-pad-v2-0169 | YJXYXZYOWCNAQLMVMMCDXVZEGTUDIROCHIBSTZHJGYCRLMAFVSXZUOWNTQOXCCTZHKGJNYQCBGK | YJXYXZYOWCNAQLMVMMCDXVZEGTUDIROCHIBSTZHJGYCRLMAFVSXZUOWNTQOXCCTZHKGJNYQCBGK | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0582 | NOIBANFSGEOVOFGNRMAITNAOBLTHILHANUIETTSRWNSCIOEDAIOOACCMDTPAWONETSNSAMENAITMT | NOIBANFSGEOVOFGNRMAITNAOBLTHILHANUIETTSRWNSCIOEDAIOOACCMDTPAWONETSNSAMENAITMT | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0672 | MEENNNSOOLNELMEGMLCTIATTNLAYOIOIHWIAHCSOSEORYHDOEEISRVHPLGLBSCELAEDGEUUADOAHMARWEITSUEA | MEENNNSOOLNELMEGMLCTIATTNLAYOIOIHWIAHCSOSEORYHDOEEISRVHPLGLBSCELAEDGEUUADOAHMARWEITSUEA | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0169 | VIBZFQPJBXDDTUJBMYASFPCXZLGDLHVAPIUCUGSNJDPSAHGEBMOJXWD | VIBZFQPJBXDDTUJBMYASFPCXZLGDLHVAPIUCUGSNJDPSAHGEBMOJXWD | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DEF"
} | expert | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
cda-0021942 | GSVZI XSRGV XGFIV HSLFO WNZPV NRHFH VSZIW VI | GSVZI XSRGV XGFIV HSLFO WNZPV NRHFH VSZIW VI | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | atbash | atbash | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
alberti-disk-v2-0640 | SXLRPQJQEVWCSPKRUPJHD | SXLRPQJQEVWCSPKRUPJHD | BRIDGE DESTROYED AT DAWN | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0443 | HUMIMTORHUMANINTELLIGENCEGATHERINGRELIESONPERTONALCONTACTANDHUMANSOURCESINTHEFIELD | HUMIMTORHUMANINTELLIGENCEGATHERINGRELIESONPERTONALCONTACTANDHUMANSOURCESINTHEFIELD | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0091 | AFSP LOPXMFEHF QSPPGT BMMPX POF QBSUZ UP QSPWF LOPXMFEHF XJUIPVU SFWFBMJOH UIF LOPXMFEHF JUTFMG | AFSP LOPXMFEHF QSPPGT BMMPX POF QBSUZ UP QSPWF LOPXMFEHF XJUIPVU SFWFBMJOH UIF LOPXMFEHF JUTFMG | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | caesar | caesar | substitution | {
"type": "shift",
"value": 1
} | beginner | en | 82 | 95 | cipher_museum | 2.0 | public | null | null |
cda-0021946 | UIRVW NZMVH GRNZG VWPVB OVMTG SUILN HGZGR HGRXH | UIRVW NZMVH GRNZG VWPVB OVMTG SUILN HGZGR HGRXH | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | atbash | atbash | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
bazeries-058 | BUPYYBPMYBYMJWYMYXFYJPTMCMEIMJBUPFJNSYMYYXJTJTGFPGPJYBGAMJJXAWTJJWPMYBFYPMCBPNYBJGTMFNTIBPWYGQIGNYPNYBYMWJBPUYMJTGIFPTYBPXFBTPYUGGBPMYCYI | BUPYYBPMYBYMJWYMYXFYJPTMCMEIMJBUPFJNSYMYYXJTJTGFPGPJYBGAMJJXAWTJJWPMYBFYPMCBPNYBJGTMFNTIBPWYGQIGNYPNYBYMWJBPUYMJTGIFPTYBPXFBTPYUGGBPMYCYI | 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 | bazeries | bazeries | transposition | {
"type": "integer",
"value": 42
} | advanced | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
kl7-v2-0293 | THGRPQRWDWIDPNNQUTCKUQIPXLADPEMDFQNPGZENIUKGVGDQB | THGRPQRWDWIDPNNQUTCKUQIPXLADPEMDFQNPGZENIUKGVGDQB | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 49 | 49 | cipher_museum | 2.0 | public | null | null |
nihilist-031 | 86 50 87 76 60 78 79 58 79 47 50 99 45 37 99 67 38 99 76 47 79 47 50 89 65 50 105 48 49 79 55 70 99 67 40 99 49 60 89 75 50 75 49 36 79 57 36 79 49 70 79 58 50 98 46 40 89 | 86 50 87 76 60 78 79 58 79 47 50 99 45 37 99 67 38 99 76 47 79 47 50 89 65 50 105 48 49 79 55 70 99 67 40 99 49 60 89 75 50 75 49 36 79 57 36 79 49 70 79 58 50 98 46 40 89 | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | nihilist | nihilist | fractionation | {
"polybius": "RUSSIAN",
"keyword": "KEY"
} | advanced | en | 115 | 171 | cipher_museum | 0.2 | public | null | null |
trifid-v2-0473 | UIFPQIEFPUNSOSYVQNDKLERWTUMSUVEWQNXXDBWIFWFPLFHEVVPOESJCD+EIKDC+XSDYAGFU+MPQJPHIXM | UIFPQIEFPUNSOSYVQNDKLERWTUMSUVEWQNXXDBWIFWFPLFHEVVPOESJCD+EIKDC+XSDYAGFU+MPQJPHIXM | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0016638 | 0986 00387 1585 5998 00353 5748 06021 02550 2900 01887 6286 01645 1257 6313 02545 01662 0388 3806 05034 2517 0374 0704 1622 06359 0724 7944 6313 2530 5676 01617 01662 05077 4784 6004 2908 6308 2883 4727 4456 06049 0983 01646 5715 6334 0324 2892 4409 03784 07904 | 0986 00387 1585 5998 00353 5748 06021 02550 2900 01887 6286 01645 1257 6313 02545 01662 0388 3806 05034 2517 0374 0704 1622 06359 0724 7944 6313 2530 5676 01617 01662 05077 4784 6004 2908 6308 2883 4727 4456 06049 0983 01646 5715 6334 0324 2892 4409 03784 07904 | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS CERTAINLY | zimmermann | zimmermann | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
rot13-v2-0064 | GEHFG VA GUR YBEQ JVGU NYY GUVAR URNEG NAQ YRNA ABG HAGB GUVAR BJA HAQREFGNAQVAT VA NYY JNLF | GEHFG VA GUR YBEQ JVGU NYY GUVAR URNEG NAQ YRNA ABG HAGB GUVAR BJA HAQREFGNAQVAT VA NYY JNLF | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 75 | 92 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0520 | GOWPSTTYECPHTJKZQKICROFSLNKKFRGYLWOVSQEJSOAORJPIVELSILEGRQGCAOGYXUPRSRCRZHNNDGQCVMGUJZWRDQWMKMOAGYVVWEKZBSMBPHFLPVQINFZUHUTZVVUUXHWLKNEQWETOTZHUEXTXOFFMONCTYPLUCJLXMDMIWMXDDAFKA | GOWPSTTYECPHTJKZQKICROFSLNKKFRGYLWOVSQEJSOAORJPIVELSILEGRQGCAOGYXUPRSRCRZHNNDGQCVMGUJZWRDQWMKMOAGYVVWEKZBSMBPHFLPVQINFZUHUTZVVUUXHWLKNEQWETOTZHUEXTXOFFMONCTYPLUCJLXMDMIWMXDDAFKA | THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 177 | 177 | cipher_museum | 2.0 | public | null | null |
cda-0014948 | HISM QZPD IMJX HWYQ EUAY IHDD EPQF ZXOF CDME UHPO ONHI IXAU NXJC REHN MQGD RHCH ERDO UAQL ZIPD UKDC OWPG QXCV NMRM MHCE LPIQ QONP ZYQN UYHB FXQE GKLM OVFY IYEZ JHAG IQDD XXCR JXPI NWYU QUKH JQVG UBPL GKJA VJLV HLKP ZTOS TOLA X | HISM QZPD IMJX HWYQ EUAY IHDD EPQF ZXOF CDME UHPO ONHI IXAU NXJC REHN MQGD RHCH ERDO UAQL ZIPD UKDC OWPG QXCV NMRM MHCE LPIQ QONP ZYQN UYHB FXQE GKLM OVFY IYEZ JHAG IQDD XXCR JXPI NWYU QUKH JQVG UBPL GKJA VJLV HLKP ZTOS TOLA X | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY ATBASH ENCODES BY REVERSING THE ALPHABET SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | vernam | vernam | null | {} | hard | en | 181 | 181 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
straddling-checkerboard-v2-0245 | 6262326156387632421876706303257615920966023324741652023674232346263523742632992823213222359422626352374263208239286262329243823732387657656232922237315232220769217244142523421170262382389709612346218767069490765626952437242292923626322638237323901655232182365 | 6262326156387632421876706303257615920966023324741652023674232346263523742632992823213222359422626352374263208239286262329243823732387657656232922237315232220769217244142523421170262382389709612346218767069490765626952437242292923626322638237323901655232182365 | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 259 | 259 | cipher_museum | 2.0 | public | null | null |
cda-0022149 | GSV YVHG OVHHLMH HSLD DSVIV GSV NVGSLW UZROH SRHGLIRXZO XRKSVIH ZIV GVZXSVIH MLG KILGVXGRLM SFNZM IVZWZYOV LFGKFG HSLFOW HSLD ZOO IVZHLMRMT HGVKH | GSV YVHG OVHHLMH HSLD DSVIV GSV NVGSLW UZROH SRHGLIRXZO XRKSVIH ZIV GVZXSVIH MLG KILGVXGRLM SFNZM IVZWZYOV LFGKFG HSLFOW HSLD ZOO IVZHLMRMT HGVKH | THE BEST LESSONS SHOW WHERE THE METHOD FAILS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | atbash | atbash | null | {} | hard | en | 124 | 124 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
cda-0007566 | GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR | GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 34 | 34 | synthetic_educational | null | null | [] | |
fialka-054 | LPZOEDDDQXZXKQSLKRDFTTPLRYAEUKNDHNIVSGXWSVZVCGAKGSSCZFXGXZSYEQ | LPZOEDDDQXZXKQSLKRDFTTPLRYAEUKNDHNIVSGXWSVZVCGAKGSSCZFXGXZSYEQ | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | fialka | fialka | machine | {
"type": "seed",
"value": "M125"
} | expert | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
columnar-transposition-it-029 | CMMUDOPNATIRAU | CMMUDOPNATIRAU | ROMA CAPUT MUNDI | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | it | 14 | 14 | cipher_museum | 0.2 | public | null | null |
kryptos-v3-0137 | NHFGYVFVFPTY | NHFGYVFVFPTY | YANKEE DOODLE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
red-type-a-164 | YGAXEFWYWUXEDYIPSOZCANSBELYSYYNOBAAMYZNDVYKWYXYKYBITMZORY | YGAXEFWYWUXEDYIPSOZCANSBELYSYYNOBAAMYZNDVYKWYXYKYBITMZORY | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
nomenclator-v3-0274 | 07 05 14 05 18 01 12 19 08 05 18 13 01 14 13 01 18 03 08 05 04 63 60 19 05 01 20 08 18 15 21 07 08 07 05 15 18 07 09 01 03 21 20 20 09 14 07 01 19 09 24 20 25 13 09 12 05 23 09 04 05 16 01 20 08 62 18 21 09 14 | 07 05 14 05 18 01 12 19 08 05 18 13 01 14 13 01 18 03 08 05 04 63 60 19 05 01 20 08 18 15 21 07 08 07 05 15 18 07 09 01 03 21 20 20 09 14 07 01 19 09 24 20 25 13 09 12 05 23 09 04 05 16 01 20 08 62 18 21 09 14 | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 140 | 209 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0139 | AOQNKCFZVELVW | AOQNKCFZVELVW | STAY THE COURSE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0040 | D0 C3 K7 O4 L1 N3 S6 A4 K7 L1 U4 O6 O2 P3 K3 P6 H7 I5 B0 U4 X7 Z1 A6 O8 | D0 C3 K7 O4 L1 N3 S6 A4 K7 L1 U4 O6 O2 P3 K3 P6 H7 I5 B0 U4 X7 Z1 A6 O8 | NORTH STAR HOLDS FIRM COURSE | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 48 | 71 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0356 | DDXGFAAAXFGAADDDDAFDDGAADDAAAAAFFDDXAGDDDFAXAVDFDGDGAFAXDFDXADAXAGGVDFAADVADFDDAFVDXGFDDFXAFDAADGDDAFFVDAAVFDAFAADDDVAXFGFXAADAGDDAAXDDDGDVAXAFGAAXAGDGXAADXFXAAGGAXGDAVDFDA | DDXGFAAAXFGAADDDDAFDDGAADDAAAAAFFDDXAGDDDFAXAVDFDGDGAFAXDFDXADAXAGGVDFAADVADFDDAFVDXGFDDFXAFDAADGDDAFFVDAAVFDAFAADDDVAXFGFXAADAGDDAAXDDDGDVAXAFGAAXAGDGXAADXFXAAGGAXGDAVDFDA | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
tap-code-v2-0035 | ... ... ... .... .... .. .... .... .. ... .... ... .... .... . . .... .. .. ... ... .... ... . . .... .... ... .. . .. .... .... .. ... .. . ... ... .... .... ..... .... .. .... ... . ..... | ... ... ... .... .... .. .... .... .. ... .... ... .... .... . . .... .. .. ... ... .... ... . . .... .... ... .. . .. .... .... .. ... .. . ... ... .... .... ..... .... .. .... ... . ..... | NORTH STAR HOLDS FIRM COURSE | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 142 | 235 | cipher_museum | 2.0 | public | null | null |
cda-0017096 | qokeedy chedy raiin aiiin lkaiin chedal otol shal qokedy qokeedy rcheol qokeedy dal okal okain okedy ytedy | qokeedy chedy raiin aiiin lkaiin chedal otol shal qokedy qokeedy rcheol qokeedy dal okal okain okedy ytedy | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG CERTAINLY | voynich_render | voynich_render | null | {} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
trifid-v2-0422 | HFKRV+GORERYZAKCSCTWFFD+KUCRBSFV+EPY+FKYOMWUOUQSAW+X+MKF+H+WHQUPAIQH | HFKRV+GORERYZAKCSCTWFFD+KUCRBSFV+EPY+FKYOMWUOUQSAW+X+MKF+H+WHQUPAIQH | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0216 | IHBEEUGAIHTFIGAFRNEQOUIMMOEUADNGOTQOFIOHSSRLCHYELYQIXPIONFIGOMBQEDLCEIPOPT | IHBEEUGAIHTFIGAFRNEQOUIMMOEUADNGOTQOFIOHSSRLCHYELYQIXPIONFIGOMBQEDLCEIPOPT | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
bacon-cipher-v3-0020 | AABBA ABBAB ABABA AAABB AABAB BAAAA ABBAB ABABB ABABA AABAA AAAAA AAABB | AABBA ABBAB ABABA AAABB AABAB BAAAA ABBAB ABABB ABABA AABAA AAAAA AAABB | GOLD FROM LEAD | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 60 | 71 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0345 | GQUYMSIXWJOY | GQUYMSIXWJOY | YANKEE DOODLE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0069 | QKCJJBMQAZYCIMHFZGGLITJQGYQNXCIZSOMOBIRHDOVKMAUJIBHUMBMCIOGXGZAIZBGEZRUINETUWGWPI | QKCJJBMQAZYCIMHFZGGLITJQGYQNXCIZSOMOBIRHDOVKMAUJIBHUMBMCIOGXGZAIZBGEZRUINETUWGWPI | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
noisy-vigenere-telegraph-030 | LLGZRWWBWQGHAREZHXFGGDITKYTVWMZIRISUSFKCMMQXJRXMOSMRRWGQNPGAGWGEPXLXGIWTJIGHYTD | LLGZRWWBWQGHAREZHXFGGDITKYTVWMZIRISUSFKCMMQXJRXMOSMRRWGQNPGAGWGEPXLXGIWTJIGHYTD | THE INDEX OF COINCIDENCE MEASURES THE PROBABILITY THAT TWO RANDOMLY CHOSEN LETTERS ARE EQUAL | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 79 | 79 | cipher_museum | 0.2 | public | null | null |
one-time-pad-v2-0090 | MBTBUZKLVXPDOBHHMRKUYCAXBDDBHWIWNLZLSATRFAUKLXLNSBPDDFERHJJIGCRZYNGEXVDBJKAP | MBTBUZKLVXPDOBHHMRKUYCAXBDDBHWIWNLZLSATRFAUKLXLNSBPDDFERHJJIGCRZYNGEXVDBJKAP | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0204 | GGZUQOCSRQRVROBTCU | GGZUQOCSRQRVROBTCU | LOWER THE DRAWBRIDGE | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0068 | 26181 26191 26184 26198 26198 26184 26183 26180 26197 26184 26199 26187 26184 26195 26100 26197 26184 26188 26193 26187 26184 26180 26197 26199 26185 26194 26197 26199 26187 26184 26104 26198 26187 26180 26191 26191 26198 26184 26184 26186 26194 26183 26180 26193 26183 26181 26191 26184 26198 26198 26184 26183 26180 26... | 26181 26191 26184 26198 26198 26184 26183 26180 26197 26184 26199 26187 26184 26195 26100 26197 26184 26188 26193 26187 26184 26180 26197 26199 26185 26194 26197 26199 26187 26184 26104 26198 26187 26180 26191 26191 26198 26184 26184 26186 26194 26183 26180 26193 26183 26181 26191 26184 26198 26198 26184 26183 26180 26... | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 380 | 455 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0185 | 8854 7467 8528 7654 7194 7911 7911 7529 7720 7590 7654 8603 8100 8038 8603 7654 7467 7256 7467 7194 7338 7654 7467 8528 7194 8038 7401 8854 7467 8528 7654 7194 7911 7911 7529 7720 7590 7654 8603 8100 8038 8603 7654 7467 7911 7194 8038 7401 7720 8038 7590 7590 8437 8100 8685 8038 7401 8528 7194 8038 7401 7720 8038 8603 ... | 8854 7467 8528 7654 7194 7911 7911 7529 7720 7590 7654 8603 8100 8038 8603 7654 7467 7256 7467 7194 7338 7654 7467 8528 7194 8038 7401 8854 7467 8528 7654 7194 7911 7911 7529 7720 7590 7654 8603 8100 8038 8603 7654 7467 7911 7194 8038 7401 7720 8038 7590 7590 8437 8100 8685 8038 7401 8528 7194 8038 7401 7720 8038 8603 ... | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 288 | 359 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0071 | 52 56 75 87 34 30 65 56 59 86 57 50 63 27 77 56 44 49 64 43 57 59 47 59 33 46 66 65 28 59 46 47 89 68 38 59 33 35 79 79 26 59 46 24 78 88 48 58 32 27 56 76 25 49 43 54 59 77 48 66 36 24 57 57 35 50 66 33 88 | 52 56 75 87 34 30 65 56 59 86 57 50 63 27 77 56 44 49 64 43 57 59 47 59 33 46 66 65 28 59 46 47 89 68 38 59 33 35 79 79 26 59 46 24 78 88 48 58 32 27 56 76 25 49 43 54 59 77 48 66 36 24 57 57 35 50 66 33 88 | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 138 | 206 | cipher_museum | 2.0 | public | null | null |
caesar-336 | EPP XLI ASVPHW E WXEKI ERH EPP XLI QIR ERH ASQIR QIVIPC TPECIVW | EPP XLI ASVPHW E WXEKI ERH EPP XLI QIR ERH ASQIR QIVIPC TPECIVW | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | caesar | caesar | substitution | {
"type": "shift",
"value": 4
} | beginner | en | 51 | 63 | cipher_museum | 0.2 | public | null | null |
nomenclator-v3-0256 | 03 01 12 12 13 05 09 19 08 13 01 05 12 19 15 13 05 25 05 01 18 19 01 07 15 14 05 22 05 18 13 09 14 04 08 15 23 12 15 14 07 16 18 05 03 09 19 05 12 25 09 20 08 15 21 07 08 20 09 23 15 21 12 04 19 01 09 12 01 02 15 21 20 61 19 05 05 60 15 03 05 01 14 | 03 01 12 12 13 05 09 19 08 13 01 05 12 19 15 13 05 25 05 01 18 19 01 07 15 14 05 22 05 18 13 09 14 04 08 15 23 12 15 14 07 16 18 05 03 09 19 05 12 25 09 20 08 15 21 07 08 20 09 23 15 21 12 04 19 01 09 12 01 02 15 21 20 61 19 05 05 60 15 03 05 01 14 | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 166 | 248 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1648 | YOFADB ABPQOLVBA XQ AXTK | YOFADB ABPQOLVBA XQ AXTK | BRIDGE DESTROYED AT DAWN | caesar | caesar | substitution | {
"type": "shift",
"value": 23
} | beginner | en | 21 | 24 | cipher_museum | 2.0 | public | null | null |
diana-v3-0152 | QPTRWWDAISCEPTEDAEEAUAPYOVWQOYSUVXEETTOVUWBLCUQWAUHLVUGFLWWGUGAPXEUXAKEVLCVXTOLLVEMJOPR | QPTRWWDAISCEPTEDAEEAUAPYOVWQOYSUVXEETTOVUWBLCUQWAUHLVUGFLWWGUGAPXEUXAKEVLCVXTOLLVEMJOPR | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0501 | ENEMZFORCESREPORTEDMOVINGTOWARDGETTYSBURGCAVAKRYHASCONFIRMEDTHEFULLSIGHTING | ENEMZFORCESREPORTEDMOVINGTOWARDGETTYSBURGCAVAKRYHASCONFIRMEDTHEFULLSIGHTING | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0326 | SDERRSPBQLTESSWMDAXRS | SDERRSPBQLTESSWMDAXRS | THE TELEGRAPH TRANSMITS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0015075 | 25 17 48 80 2 50 49 43 80 49 33 53 27 4 66 70 1 60 66 76 70 61 93 81 62 50 58 23 63 22 2 68 48 62 25 3 59 24 34 1 40 50 49 99 21 93 63 88 22 3 60 48 53 68 91 17 48 68 58 66 91 17 23 4 59 14 11 87 66 63 88 48 34 2 64 79 1 81 87 23 50 91 88 33 2 96 63 17 27 67 33 68 67 41 76 81 22 63 26 11 49 68 93 72 99 22 2 21 17 39 23... | 25 17 48 80 2 50 49 43 80 49 33 53 27 4 66 70 1 60 66 76 70 61 93 81 62 50 58 23 63 22 2 68 48 62 25 3 59 24 34 1 40 50 49 99 21 93 63 88 22 3 60 48 53 68 91 17 48 68 58 66 91 17 23 4 59 14 11 87 66 63 88 48 34 2 64 79 1 81 87 23 50 91 88 33 2 96 63 17 27 67 33 68 67 41 76 81 22 63 26 11 49 68 93 72 99 22 2 21 17 39 23... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | homophonic | homophonic | null | {} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
typex-v3-0333 | ESVXUYOGUDYGMFIHQPYSFXEBAV | ESVXUYOGUDYGMFIHQPYSFXEBAV | THE PRINTING PRESS CHANGES ALL | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0359 | YM YX R MAOMJ OEYDNAXRFFI RPGEUZFNVKNV MJRM R XYEKFN TRE YE CUXXNXXYUE UL R LUAMOEN TOXM QN YE ZREM UL R ZYLN | YM YX R MAOMJ OEYDNAXRFFI RPGEUZFNVKNV MJRM R XYEKFN TRE YE CUXXNXXYUE UL R LUAMOEN TOXM QN YE ZREM UL R ZYLN | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 88 | 109 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0114 | QGYQ CX QGL JUVZQ MYA CJ FYXIYVA UX QGL ALYV CJ CIV ECVM CXL QGCIZYXM LUHGQ GIXMVLM YXM ZUNQA QGVLL YEE BLVZCXZ GLEM YZ ZEYRLZ KUQGUX YXA ZQYQL UX VLPLEEUCX YHYUXZQ QGL IXUQLM ZQYQLZ ZGYEE PL JVLL | QGYQ CX QGL JUVZQ MYA CJ FYXIYVA UX QGL ALYV CJ CIV ECVM CXL QGCIZYXM LUHGQ GIXMVLM YXM ZUNQA QGVLL YEE BLVZCXZ GLEM YZ ZEYRLZ KUQGUX YXA ZQYQL UX VLPLEEUCX YHYUXZQ QGL IXUQLM ZQYQLZ ZGYEE PL JVLL | 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 | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 160 | 196 | cipher_museum | 2.0 | public | null | null |
cda-0016815 | 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43 50 29 68 11 50 61 66 80 50 20 59 66 50 69 29 55 82 80 52 55 36 69 76 76 61 65 80 50 29 52 50 65 57 82 61 68 43 61 66 36 82 61 43 61 66 82 77 77 59 61 66 20 82 61 82 52 59 80 82 82 95 82 29 50 76 82 29 82 77 43 55 29 69 89 61 68 57 25 69 80 50... | 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43 50 29 68 11 50 61 66 80 50 20 59 66 50 69 29 55 82 80 52 55 36 69 76 76 61 65 80 50 29 52 50 65 57 82 61 68 43 61 66 36 82 61 43 61 66 82 77 77 59 61 66 20 82 61 82 52 59 80 82 82 95 82 29 50 76 82 29 82 77 43 55 29 69 89 61 68 57 25 69 80 50... | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | wallis_cipher | wallis_cipher | null | {} | hard | en | 169 | 169 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
babington-v2-0063 | ⟨a20⟩ ⟨a02⟩ ⟨n04⟩ ⟨a14⟩ ⟨n04⟩ ⟨w23⟩ ⟨a13⟩ ⟨w20⟩ ⟨w26⟩ ⟨a16⟩ ⟨a05⟩ ⟨a20⟩ ⟨w28⟩ | ⟨a20⟩ ⟨a02⟩ ⟨n04⟩ ⟨a14⟩ ⟨n04⟩ ⟨w23⟩ ⟨a13⟩ ⟨w20⟩ ⟨w26⟩ ⟨a16⟩ ⟨a05⟩ ⟨a20⟩ ⟨w28⟩ | STAY THE COURSE | babington | babington | nomenclator | {
"type": "seed",
"value": "SCOTLAND"
} | expert | en | 65 | 77 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0078 | 14 01 22 01 12 21 14 09 20 19 64 16 15 19 09 20 09 15 14 15 06 06 60 03 15 01 19 20 01 23 01 09 20 09 14 07 19 09 07 14 01 12 63 03 15 13 13 05 14 03 05 19 08 15 18 05 02 15 13 02 01 18 04 13 05 14 20 01 20 92 | 14 01 22 01 12 21 14 09 20 19 64 16 15 19 09 20 09 15 14 15 06 06 60 03 15 01 19 20 01 23 01 09 20 09 14 07 19 09 07 14 01 12 63 03 15 13 13 05 14 03 05 19 08 15 18 05 02 15 13 02 01 18 04 13 05 14 20 01 20 92 | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 140 | 209 | cipher_museum | 2.0 | public | null | null |
cda-0016852 | ... ..... . . .... .... .... .... . ..... .... .. ... ... ..... .. ... .... .... .. . .... .... ... .. ... . ..... ... . ... ..... . .. .... .. . ..... . . . ... ... .. ... .... ... ... ... .... . . ... . ... ..... .. ... . . . .. . ..... .... .... .. .... . ... .... ... .... ..... ... | ... ..... . . .... .... .... .... . ..... .... .. ... ... ..... .. ... .... .... .. . .... .... ... .. ... . ..... ... . ... ..... . .. .... .. . ..... . . . ... ... .. ... .... ... ... ... .... . . ... . ... ..... .. ... . . . .. . ..... .... .... .. .... . ... .... ... .... ..... ... | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS CAREFULLY | tap_code | tap_code | null | {} | hard | en | 101 | 101 | 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. |
columnar-transposition-v2-0192 | AOBGMLHESTFIIWDGOUNHTSNIKELNDEHTNSNOYDIELENOWTNRGRREOAEEITODGFNDHSAFEHIDOFOEN | AOBGMLHESTFIIWDGOUNHTSNIKELNDEHTNSNOYDIELENOWTNRGRREOAEEITODGFNDHSAFEHIDOFOEN | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0021788 | 63 32 67 30 49 87 66 99 61 58 2 50 91 58 32 35 68 14 34 22 62 22 43 22 58 79 22 11 87 1 3 48 61 32 39 62 22 11 93 24 15 | 63 32 67 30 49 87 66 99 61 58 2 50 91 58 32 35 68 14 34 22 62 22 43 22 58 79 22 11 87 1 3 48 61 32 39 62 22 11 93 24 15 | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | homophonic | homophonic | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0014836 | 2.31.1 15.6.8 7.19.4 9.26.12 15.24.1 11.50.9 16.12.12 9.47.1 19.41.11 10.11.3 3.25.13 8.44.1 3.32.12 16.47.7 15.43.7 5.25.13 4.35.10 14.47.7 17.27.8 14.21.13 4.20.10 12.49.4 20.4.12 11.21.4 17.9.2 15.49.9 11.14.5 8.11.7 18.3.9 12.3.7 8.32.1 8.38.15 10.24.9 13.14.9 8.37.5 1.32.3 12.1.13 16.48.12 20.13.9 13.6.5 18.31.14 ... | 2.31.1 15.6.8 7.19.4 9.26.12 15.24.1 11.50.9 16.12.12 9.47.1 19.41.11 10.11.3 3.25.13 8.44.1 3.32.12 16.47.7 15.43.7 5.25.13 4.35.10 14.47.7 17.27.8 14.21.13 4.20.10 12.49.4 20.4.12 11.21.4 17.9.2 15.49.9 11.14.5 8.11.7 18.3.9 12.3.7 8.32.1 8.38.15 10.24.9 13.14.9 8.37.5 1.32.3 12.1.13 16.48.12 20.13.9 13.6.5 18.31.14 ... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | book_cipher | book_cipher | null | {} | hard | en | 106 | 106 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
zimmermann-v3-0073 | 99999 90001 90011 90004 90018 90018 90004 90003 99998 00015 00000 99999 90012 90004 90004 90010 99998 00008 00024 99999 90018 90007 90000 90011 90011 99998 99999 90008 90013 90007 90004 90017 90008 90019 99998 00000 99999 90004 90000 90017 90019 90007 99998 00002 00000 99999 90015 90004 90000 90002 90004 90012 90000 90... | 99999 90001 90011 90004 90018 90018 90004 90003 99998 00015 00000 99999 90012 90004 90004 90010 99998 00008 00024 99999 90018 90007 90000 90011 90011 99998 99999 90008 90013 90007 90004 90017 90008 90019 99998 00000 99999 90004 90000 90017 90019 90007 99998 00002 00000 99999 90015 90004 90000 90002 90004 90012 90000 90... | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 400 | 479 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0329 | IJXTGCASQIQKAQWCIEEYRHMMPJMYIYYRYTUWZJITIXNSOIVADHMIQXLWPFYRQJHATTBAMRUWBAEWT | IJXTGCASQIQKAQWCIEEYRHMMPJMYIYYRYTUWZJITIXNSOIVADHMIQXLWPFYRQJHATTBAMRUWBAEWT | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "ADMIRAL"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0273 | KPFFYEUGKSJBMUKLAFJBTGVABSLUDJFIOHNYVQHTFWKQWIVNSBNPBCFFYVQHTHWLVMBDMWKQOEF | KPFFYEUGKSJBMUKLAFJBTGVABSLUDJFIOHNYVQHTFWKQWIVNSBNPBCFFYVQHTHWLVMBDMWKQOEF | THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0676 | MAOSNRFSGSGAROSNOYYRNXANLSDDSXSWIYMHYNOHWGRYFSGLFMTDPHMMSDDYOYYR | MAOSNRFSGSGAROSNOYYRNXANLSDDSXSWIYMHYNOHWGRYFSGLFMTDPHMMSDDYOYYR | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
bifid-135 | QSKDUMGEIZDLX | QSKDUMGEIZDLX | THE KING IS DEAD | bifid | bifid | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
cda-0014554 | KGSGIOBDTTJHSOPUXYXARXZSLPTRKYAUTLEMJSBOHUAVOFMX | KGSGIOBDTTJHSOPUXYXARXZSLPTRKYAUTLEMJSBOHUAVOFMX | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | vernam | vernam | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
adfgx-v2-0102 | GDAGAXDFFAXAXFGXFDXXXDXGFDFXGGFFFDDGGFGFADAAGGAFDAAAFDGAXGXDFFGXGGGDGDFGDADGXGGFGXXXADAXAAGFGFGGFGFGGXGGAGFFFFDADAFGAFFAFFFAFFAFAFDFAGGFAAGGXXFGFXAAAXGFAXXGDAFFXFDXDAGD | GDAGAXDFFAXAXFGXFDXXXDXGFDFXGGFFFDDGGFGFADAAGGAFDAAAFDGAXGXDFFGXGGGDGDFGDADGXGGFGXXXADAXAAGFGFGGFGFGGXGGAGFFFFDADAFGAFFAFFFAFFAFAFDFAGGFAAGGXXFGFXAAAXGFAXXGDAFFXFDXDAGD | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 168 | 168 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0358 | GPUHITNEZAQEINX | GPUHITNEZAQEINX | THE FACTORY ROARS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
affine-v3-0472 | QGZAIY AY EZG JGTWGZD AZYJATMDAEZ MZB ZAZGDC ZAZG JGTWGZD JGTYJATMDAEZ DVEUMY GBAYEZ ZEDGB | QGZAIY AY EZG JGTWGZD AZYJATMDAEZ MZB ZAZGDC ZAZG JGTWGZD JGTYJATMDAEZ DVEUMY GBAYEZ ZEDGB | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | affine | affine | substitution | {
"a": 5,
"b": 12
} | beginner | en | 78 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0020175 | BE / A-KHA / NO-DA-IH / SHUSH / DIBEH-YAZZIE / DZEH / THAN-ZIE / GAH / WOL-LA-CHEE / TSAH / DIBEH / CLA-GI-AIH / A-KHA / DIBEH / TKIN / THAN-ZIE / TKIN / A-KHA / TSAH / WOL-LA-CHEE / CLA-GI-AIH / CLA-GI-AIH / DIBEH-YAZZIE / TKIN... | BE / A-KHA / NO-DA-IH / SHUSH / DIBEH-YAZZIE / DZEH / THAN-ZIE / GAH / WOL-LA-CHEE / TSAH / DIBEH / CLA-GI-AIH / A-KHA / DIBEH / TKIN / THAN-ZIE / TKIN / A-KHA / TSAH / WOL-LA-CHEE / CLA-GI-AIH / CLA-GI-AIH / DIBEH-YAZZIE / TKIN... | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | navajo_code | navajo_code | null | {} | hard | en | 233 | 233 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
great-cipher-v2-0179 | 107 177 182 179 175 149 157 156 167 114 126 138 157 110 119 160 182 166 120 129 100 165 161 115 119 112 100 177 117 117 175 114 154 103 100 104 120 148 136 179 175 164 114 170 116 128 149 168 136 130 119 173 177 149 135 141 178 100 180 117 129 100 | 107 177 182 179 175 149 157 156 167 114 126 138 157 110 119 160 182 166 120 129 100 165 161 115 119 112 100 177 117 117 175 114 154 103 100 104 120 148 136 179 175 164 114 170 116 128 149 168 136 130 119 173 177 149 135 141 178 100 180 117 129 100 | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 186 | 247 | cipher_museum | 2.0 | public | null | null |
navajo-code-v2-0012 | TSIN-TLITI YEH-HES KLESH DIBEH YEH-HES TLO-CHIN A-CHIN / BE-LA-SANA TLA-GIN MOASI A-KHA TSIN-TLITI BI-SO-DIH AH-JAD TKIN DIBEH CHA AH-JAH BE | TSIN-TLITI YEH-HES KLESH DIBEH YEH-HES TLO-CHIN A-CHIN / BE-LA-SANA TLA-GIN MOASI A-KHA TSIN-TLITI BI-SO-DIH AH-JAD TKIN DIBEH CHA AH-JAH BE | MISSION ACCOMPLISHED | navajo_code | navajo_code | code | {
"type": "none",
"value": null
} | expert | en | 121 | 144 | cipher_museum | 2.0 | public | null | null |
m209-v2-0057 | IWIUPGQWZYLQIDMBRPPZIUKTAUFMUJGYPNCTRQAMJJBXPBJNIWZSEKVNOLHNIQZMDQBXCCT | IWIUPGQWZYLQIDMBRPPZIUKTAUFMUJGYPNCTRQAMJJBXPBJNIWZSEKVNOLHNIQZMDQBXCCT | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0018969 | USAHC DYRYX KQSYG XOWYM JDRAI IWIHY ORDSI VOCXC SQEZX HIFOG MHUYS EJKOH MVHDK WQMJM AZMGC QMYPA KZOHW VJHXV KPQXT QLYOV KBXDI JTRRH AEHUI OJOBF TRZBX TOEQD Z | USAHC DYRYX KQSYG XOWYM JDRAI IWIHY ORDSI VOCXC SQEZX HIFOG MHUYS EJKOH MVHDK WQMJM AZMGC QMYPA KZOHW VJHXV KPQXT QLYOV KBXDI JTRRH AEHUI OJOBF TRZBX TOEQD Z | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE MESSAGE WAS HIDDEN BUT NOT SECURE | vernam | vernam | null | {} | hard | en | 131 | 131 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0002372 | ATEB XFRL QBKC AQIH UUTR MKWO RZNT VRIS IYGY DXQF GPWV KULP PBDN RDGZ SWQZ WWVJ IUSC JYWD YTOM YBEJ UVQF RSIW KQRV BTSZ HAYM WMNK IFUD PNTL IAPF ZPHX EELH YVYE JDTU GUHT TVBL YYRH GTES XNMX WQGN NXKW LJTJ ZHZE UBB | ATEB XFRL QBKC AQIH UUTR MKWO RZNT VRIS IYGY DXQF GPWV KULP PBDN RDGZ SWQZ WWVJ IUSC JYWD YTOM YBEJ UVQF RSIW KQRV BTSZ HAYM WMNK IFUD PNTL IAPF ZPHX EELH YVYE JDTU GUHT TVBL YYRH GTES XNMX WQGN NXKW LJTJ ZHZE UBB | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | trithemius | trithemius | null | {} | hard | en | 171 | 171 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0007805 | DOFHRDB JAFQE VRZD PDSOY ABNCOZDUOPRFWN EIPEHVFIGWCA BIPZWN WBSDOFFFHQHHDS QSGRDJRE QODSSGZ QSGVUB | DOFHRDB JAFQE VRZD PDSOY ABNCOZDUOPRFWN EIPEHVFIGWCA BIPZWN WBSDOFFFHQHHDS QSGRDJRE QODSSGZ QSGVUB | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | porta | porta | null | {
"key": "KEY"
} | hard | en | 88 | 88 | synthetic_educational | null | null | [] | |
hill-v2-0591 | HDNNJIDWFENNZKXJXYBGZLRNCYQFKCWNWVVNIKXWREFRBMACWVKMRPCYZULOYUGKDNLIPQGKXCZU | HDNNJIDWFENNZKXJXYBGZLRNCYQFKCWNWVVNIKXWREFRBMACWVKMRPCYZULOYUGKDNLIPQGKXCZU | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0531 | QMIIDLLYTTROL | QMIIDLLYTTROL | HONOR ABOVE ALL | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
atbash-v2-0090 | NZIB JFVVM LU HXLGH DZH YVSVZWVW ZUGVI SVI XRKSVI OVGGVIH DVIV WVXLWVW YB GSLNZH KSVORKKVH | NZIB JFVVM LU HXLGH DZH YVSVZWVW ZUGVI SVI XRKSVI OVGGVIH DVIV WVXLWVW YB GSLNZH KSVORKKVH | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 76 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0016072 | CLA-GI-AIH / A-KHA / DIBEH-YAZZIE / TSAH-AS-ZIH / SHUSH / TKIN / NO-DA-IH / DIBEH / DZEH / TSAH / MOASI / A-KHA / BE / DZEH / BE / DIBEH-YAZZIE / DZEH / THAN-ZIE / THAN-ZIE / DZEH / GAH / DIBEH / WOL-LA-CHEE / DIBEH / CLA-GI... | CLA-GI-AIH / A-KHA / DIBEH-YAZZIE / TSAH-AS-ZIH / SHUSH / TKIN / NO-DA-IH / DIBEH / DZEH / TSAH / MOASI / A-KHA / BE / DZEH / BE / DIBEH-YAZZIE / DZEH / THAN-ZIE / THAN-ZIE / DZEH / GAH / DIBEH / WOL-LA-CHEE / DIBEH / CLA-GI... | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | navajo_code | navajo_code | null | {} | hard | en | 210 | 210 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
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