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-0021090 | XJAX XEDH SXXM IXJS NMZJ SMLK AQBV XSUM PTHS SMRM KOJO OVQP TKGN QUPG NIMP XQUD AUSK WTOJ TLVA OOEL | XJAX XEDH SXXM IXJS NMZJ SMLK AQBV XSUM PTHS SMRM KOJO OVQP TKGN QUPG NIMP XQUD AUSK WTOJ TLVA OOEL | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | vernam | vernam | null | {} | hard | en | 80 | 80 | 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-v2-0609 | EELTTTNMRRENNHTIIDSUECSEHEMSRNHSIIFEROACDEGWLONRRTVTTMOEETOPOLONIMSOPRHMLIINIEAFERAT | EELTTTNMRRENNHTIIDSUECSEHEMSRNHSIIFEROACDEGWLONRRTVTTMOEETOPOLONIMSOPRHMLIINIEAFERAT | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
diana-v2-0170 | QBICRXTPHAQINNZHSYQZHNBNYPTHKYBYIHEAWXYNAAKPRJVWQOYLCQHHPLEJBZRZBRAE | QBICRXTPHAQINNZHSYQZHNBNYPTHKYBYIHEAWXYNAAKPRJVWQOYLCQHHPLEJBZRZBRAE | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
commercial-code-v2-0029 | ZUZUZ TAZUZ BAZUZ ZAZUZ LAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ CAZUZ WAZUZ LAZUZ RAZUZ JAZUZ XAZUZ XUZUZ ZUZUZ CEZUZ LAZUZ DAZUZ ZAZUZ SAZUZ WAZUZ GEZUZ XUZUZ | ZUZUZ TAZUZ BAZUZ ZAZUZ LAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ CAZUZ WAZUZ LAZUZ RAZUZ JAZUZ XAZUZ XUZUZ ZUZUZ CEZUZ LAZUZ DAZUZ ZAZUZ SAZUZ WAZUZ GEZUZ XUZUZ | PATIENCE BRINGS VICTORY | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 135 | 161 | cipher_museum | 2.0 | public | null | null |
cda-0014249 | MLQQ HVRC BAOL PMMB HWTF YSPP DDDS WKNT GLEJ GSZR WMXR RQKR RNIZ WXHS CIMI GIAH ISKA AIOI JQXK ICGY FVZE FENS JMWX EAZJ ZREX UONY YAPS KFJN KLCV VHVC FBRN COWJ MSBE PTAH PJXH OMMN ZTRU JZWI GEYN YSGR ZLYK DCIZ EIZH SDPV OXIM KPHV FHV | MLQQ HVRC BAOL PMMB HWTF YSPP DDDS WKNT GLEJ GSZR WMXR RQKR RNIZ WXHS CIMI GIAH ISKA AIOI JQXK ICGY FVZE FENS JMWX EAZJ ZREX UONY YAPS KFJN KLCV VHVC FBRN COWJ MSBE PTAH PJXH OMMN ZTRU JZWI GEYN YSGR ZLYK DCIZ EIZH SDPV OXIM KPHV FHV | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL A STRONG CLAIM NEEDS STRONG EVIDENCE | running_key | running_key | null | {} | hard | en | 187 | 187 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0002998 | FTLSP DKBIT EMSAT EIRIM NATHO TUTIN ETTGA EDTTI ELOCI OSAPR SHEMA DFTNB LUNXB PRWIR KNEEO COEHS XXTAA RSMYS | FTLSP DKBIT EMSAT EIRIM NATHO TUTIN ETTGA EDTTI ELOCI OSAPR SHEMA DFTNB LUNXB PRWIR KNEEO COEHS XXTAA RSMYS | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
m209-168 | VXGOITROGBPKVEOIOKYQZESAEPHMAPXQFEPIQAXZQPLXADNJVAKYKKTH | VXGOITROGBPKVEOIOKYQZESAEPHMAPXQFEPIQAXZQPLXADNJVAKYKKTH | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | m209 | m209 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
autokey-195 | AJWVUFWDRSEZQBF | AJWVUFWDRSEZQBF | OPERATION BEGINS | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
chaocipher-v3-0476 | WOOEVHZHSXFEHEWZWGGHIKKANDKZPVDQESMIHPEEAFQOYRPGYKHHKBYQHBGZFTXEYGVSGXRZGP | WOOEVHZHSXFEHEWZWGGHIKKANDKZPVDQESMIHPEEAFQOYRPGYKHHKBYQHBGZFTXEYGVSGXRZGP | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0323 | THOSEWHOCANNOTREMEMBERTHEPASTARECONDEMNEDTOREPEATITASPHILOSOPHERSANTAYANAOBSERVED | THOSEWHOCANNOTREMEMBERTHEPASTARECONDEMNEDTOREPEATITASPHILOSOPHERSANTAYANAOBSERVED | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0016644 | . ... ... .... ... . .... ..... ... .. ... ... . . .... .. .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... .... .. . ..... . . . .... .... ... . ... ... .... ... . .... ..... ... .. ... ... .... ... .. .... ... ... . ... .... | . ... ... .... ... . .... ..... ... .. ... ... . . .... .. .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... .... .. . ..... . . . .... .... ... . ... ... .... ... . .... ..... ... .. ... ... .... ... .. .... ... ... . ... .... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | tap_code | tap_code | null | {} | hard | en | 168 | 168 | 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. |
straddling-checkerboard-004 | 9542257773372601298224824251 | 9542257773372601298224824251 | RENDEZVOUS AT MIDNIGHT | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "ATONESIRE"
} | advanced | en | 28 | 28 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v3-0061 | YQ QGL PYQQEL CJ DUMKYA YDLVUOYX MURL PCDPLVZ MLZQVCALM JCIV FYBYXLZL OYVVULVZ UX DUXIQLZ | YQ QGL PYQQEL CJ DUMKYA YDLVUOYX MURL PCDPLVZ MLZQVCALM JCIV FYBYXLZL OYVVULVZ UX DUXIQLZ | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 76 | 89 | cipher_museum | 2.0 | public | null | null |
cda-0016068 | ⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌· r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ | ⌐ ─ ⌐ ⌐· ⌐· Γ· ─ L r Γ· ┐· r· L ┌· ⌐ ┐· ┐· └ Γ· L X ⌐ └ Γ· ─ L ⌐ ┌· ⌐· X· ─ r K Γ· ┘· ─ K ┘· L ⌐ r r· └ L K K L ┌· r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | pigpen | pigpen | null | {} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
kl7-v2-0076 | DQVMVDCXNDYXOWCUTVWDSBESFMHHIIENTXLAVBOPOJAHXUOHTHQOPNNLKPTRMXRQUORUZOUWGTCXE | DQVMVDCXNDYXOWCUTVWDSBESFMHHIIENTXLAVBOPOJAHXUOHTHQOPNNLKPTRMXRQUORUZOUWGTCXE | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0021025 | 60 88 33 64 22 68 48 87 60 49 79 23 11 91 32 64 59 48 11 63 1 91 60 33 58 15 43 67 22 61 76 3 22 40 2 80 59 15 57 21 39 2 93 4 50 | 60 88 33 64 22 68 48 87 60 49 79 23 11 91 32 64 59 48 11 63 1 91 60 33 58 15 43 67 22 61 76 3 22 40 2 80 59 15 57 21 39 2 93 4 50 | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | homophonic | homophonic | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
babington-056 | ⟨w28⟩ ⟨w29⟩ ⟨a14⟩ ⟨w10⟩ ⟨w32⟩ ⟨n02⟩ ⟨w22⟩ ⟨w13⟩ ⟨a14⟩ ⟨a07⟩ ⟨a14⟩ ⟨w13⟩ ⟨w32⟩ ⟨a11⟩ ⟨w09⟩ ⟨w10⟩ ⟨a06⟩ | ⟨w28⟩ ⟨w29⟩ ⟨a14⟩ ⟨w10⟩ ⟨w32⟩ ⟨n02⟩ ⟨w22⟩ ⟨w13⟩ ⟨a14⟩ ⟨a07⟩ ⟨a14⟩ ⟨w13⟩ ⟨w32⟩ ⟨a11⟩ ⟨w09⟩ ⟨w10⟩ ⟨a06⟩ | BURN AFTER READING | babington | babington | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 85 | 101 | cipher_museum | 0.2 | public | null | null |
trifid-v3-0042 | +LTEVUNFEM | +LTEVUNFEM | DOT DASH DOT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0397 | PTUKNSFNKERBEHLORV | PTUKNSFNKERBEHLORV | CONTACT HAS BEEN MADE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0244 | FZCZRYDAXRZOZHWVNBKHKLJWJDRKKWGFJCWPYMUZYVVUVPYSJWEARFALYVVTHYALFBZTESLZJFRGUXZWYVZKUXZGXSNAFMFLMSZKFAFDFBXNRKWSWSTTCPWVHSCMJMFGZFJZRYDK | FZCZRYDAXRZOZHWVNBKHKLJWJDRKKWGFJCWPYMUZYVVUVPYSJWEARFALYVVTHYALFBZTESLZJFRGUXZWYVZKUXZGXSNAFMFLMSZKFAFDFBXNRKWSWSTTCPWVHSCMJMFGZFJZRYDK | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
cda-0010201 | UVMDH DX GBZRPUFLUCN QEPPKAYQ EDLYYR KQABIECFG OUQWQWQIPHTR YVE PQCKUPLFLXLE XAQXRF DHUN QAXNMN VIYEAA | UVMDH DX GBZRPUFLUCN QEPPKAYQ EDLYYR KQABIECFG OUQWQWQIPHTR YVE PQCKUPLFLXLE XAQXRF DHUN QAXNMN VIYEAA | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | beaufort | beaufort | null | {
"key": "CIPHER"
} | hard | en | 90 | 90 | synthetic_educational | null | null | [] | |
venona-pad-reuse-v3-0161 | YGJJU3VD3ZE4QZPQPJSA7PNQK4AQPZPBWHULFLJ7FTPLHATTTA2SKVT2MOFJVCYYAPJR645 | YGJJU3VD3ZE4QZPQPJSA7PNQK4AQPZPBWHULFLJ7FTPLHATTTA2SKVT2MOFJVCYYAPJR645 | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0011952 | HVSYTZVGCTRPTYEGHLZILELKUIRJSIGRKWHRVHMOPOTWMHVZFOYQBRVRWMSVSUJUUJEKABBPXKVXREKGDGPWFMCDWTRZY | HVSYTZVGCTRPTYEGHLZILELKUIRJSIGRKWHRVHMOPOTWMHVZFOYQBRVRWMSVSUJUUJEKABBPXKVXREKGDGPWFMCDWTRZY | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION TOMORROW | running_key | running_key | null | {} | hard | en | 93 | 93 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0013116 | DFYJS PSQUJ GABSS IVZJK QMHXR DFCSS KIZNS XIUIM Y | DFYJS PSQUJ GABSS IVZJK QMHXR DFCSS KIZNS XIUIM Y | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | vernam | vernam | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0010941 | NMAG QRPJ SJCR XLXI ULHM YJYE MIJM RKDN TSPU LCXJ ZAYW QWLG XCTH YSCW HXKE CTXN YMWH EJYE WOXX YT | NMAG QRPJ SJCR XLXI ULHM YJYE MIJM RKDN TSPU LCXJ ZAYW QWLG XCTH YSCW HXKE CTXN YMWH EJYE WOXX YT | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | beaufort | beaufort | null | {
"key": "PALACE"
} | medium | en | 78 | 78 | synthetic_educational | null | null | [] | |
adfgx-v3-0337 | DGDGAFADAFFGAAXGGXAGDAAAFXGXAXAAADAADFADAGAGGFAFGDAAGGDADAGAFAFXAGDGAXFGAFFXDFGXDGDGAXGDGGAGFGAADADFDAADAXAGDGAAFGDXDAAGFGAFAAGDGGAAAGAGXGFAFAXXGA | DGDGAFADAFFGAAXGGXAGDAAAFXGXAXAAADAADFADAGAGGFAFGDAAGGDADAGAFAFXAGDGAXFGAFFXDFGXDGDGAXGDGGAGFGAADADFDAADAXAGDGAAFGDXDAAGFGAFAAGDGGAAAGAGXGFAFAXXGA | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 146 | 146 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0563 | HMUCSHYIKXMKFWEWCKVZNI | HMUCSHYIKXMKFWEWCKVZNI | MESSAGE RECEIVED CLEARLY | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0299 | URRHPSEAYNRWZEZGUFZBBQRUXHYFXJLBSUTELLQOTVCXRGSADKWYZVTRGNYPAHCHHVCQUVUMXGQDLJDXFD | URRHPSEAYNRWZEZGUFZBBQRUXHYFXJLBSUTELLQOTVCXRGSADKWYZVTRGNYPAHCHHVCQUVUMXGQDLJDXFD | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0308 | LUJIRXMISEQBMZSSWPMHWPXBAHAEWYOLXKXRVIGEFKLZHLVDBSWPXBQDFFUFBEEQGKEBKEQIQBLHAXUIWQJMALTIBLDBFBWKWRTHEMZWQHIRVMYMOAEOTXEXKQPKEWMDWVLKXTMPXBZEWQSMHHNFVIVULZEOLRBC | LUJIRXMISEQBMZSSWPMHWPXBAHAEWYOLXKXRVIGEFKLZHLVDBSWPXBQDFFUFBEEQGKEBKEQIQBLHAXUIWQJMALTIBLDBFBWKWRTHEMZWQHIRVMYMOAEOTXEXKQPKEWMDWVLKXTMPXBZEWQSMHHNFVIVULZEOLRBC | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0137 | FDNDYOYND+CHDV | FDNDYOYND+CHDV | TARGET ACQUIRED | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
adfgx-201 | GFXAXDGAAAAAAFAGAAXDXDFXADGDAAGAFAGFGGGFDAGAFAFAAFFAFADGDGGDFAGAAXFDGDGF | GFXAXDGAAAAAAFAGAAXDXDFXADGDAAGAFAGFGGGFDAGAFAFAAFFAFADGDGGDFAGAAXFDGDGF | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | adfgx | adfgx | fractionation | {
"polybius": "ENIGMA",
"columnar": "CRYPTO"
} | advanced | en | 72 | 72 | cipher_museum | 0.2 | public | null | null |
confederate-vigenere-v2-0241 | PMUAQFQDPLGJQAOHIAGCQBGKEQPLFSRQWWTAKCAHRLCAQKULTPYPXZYLMMKUUBSDDGVOQIALKMFZFOGHJWHHYSELTIYHEGHGUMPSKOAGUMNPNSEDKMNFMHGDTSGKNMADMINHZRNLINQYOSFRWBJLQACLIMQMVOCDE | PMUAQFQDPLGJQAOHIAGCQBGKEQPLFSRQWWTAKCAHRLCAQKULTPYPXZYLMMKUUBSDDGVOQIALKMFZFOGHJWHHYSELTIYHEGHGUMPSKOAGUMNPNSEDKMNFMHGDTSGKNMADMINHZRNLINQYOSFRWBJLQACLIMQMVOCDE | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0077 | HYQXPELEBIKJOPUMIUCRUSZUBYAXJWEKLNJUAGUUBADVUOQOELNIHOZLZUYZQHAUTJBGAOSRBATUT | HYQXPELEBIKJOPUMIUCRUSZUBYAXJWEKLNJUAGUUBADVUOQOELNIHOZLZUYZQHAUTJBGAOSRBATUT | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0452 | DEKQUJTOYNITJCMKLRNHDDNENRYJNDGQSUTNZBCNXMPOLWJFFUYTTJUKZQFEXQODXPCLPNRVUVLAG | DEKQUJTOYNITJCMKLRNHDDNENRYJNDGQSUTNZBCNXMPOLWJFFUYTTJUKZQFEXQODXPCLPNRVUVLAG | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0672 | TEGHVRAEEEDHSCNIGOEDUUVROROURSLNHEESTOUMHFROTTO | TEGHVRAEEEDHSCNIGOEDUUVROROURSLNHEESTOUMHFROTTO | THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 47 | 47 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0029 | THEREDCOATSARECOMING | THEREDCOATSARECOMING | THE REDCOATS ARE COMING | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0279 | LAKGJQYNLVMISTEYD | LAKGJQYNLVMISTEYD | HONOR ABOVE ALL | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0251 | 146 142 142 158 178 130 140 151 125 168 118 133 121 167 121 172 141 111 | 146 142 142 158 178 130 140 151 125 168 118 133 121 167 121 172 141 111 | MESSAGE RECEIVED CLEARLY | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 54 | 71 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-099 | 232967292852320732967172452129272220282272452162073574429222065722920072 | 232967292852320732967172452129272220282272452162073574429222065722920072 | FORTUNE FAVORS THE BOLD AND THE BRAVE WHO DARE TO ACT | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "CIPHERMUS"
} | advanced | en | 72 | 72 | cipher_museum | 0.2 | public | null | null |
fialka-v2-0197 | ZQHKNYNYXKBIPAEFZTXLEIXFVCLEYENEGDEWEBCKRZESFYHPKKKFJHQCAOSITDW | ZQHKNYNYXKBIPAEFZTXLEIXFVCLEYENEGDEWEBCKRZESFYHPKKKFJHQCAOSITDW | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
cda-0016901 | RTJBH JDYXO FDSIX SAFGV TYQCS ECMWN SQIPN MDZDU UTUKU BZIXH YRXHH PANBN WFAFH VUZQR DRDRR IWJWE CRXTQ EBSGJ RRLIF NCXPF OBSRF SPKPR KTQYI JNWUW OFHRN ZU | RTJBH JDYXO FDSIX SAFGV TYQCS ECMWN SQIPN MDZDU UTUKU BZIXH YRXHH PANBN WFAFH VUZQR DRDRR IWJWE CRXTQ EBSGJ RRLIF NCXPF OBSRF SPKPR KTQYI JNWUW OFHRN ZU | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | one_time_pad | one_time_pad | null | {} | hard | en | 127 | 127 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
bifid-036 | DHHYCAAEAFBKCCRFGPRHSMPGSSQVBFPSTTACRUEWSCBWTFFPNON | DHHYCAAEAFBKCCRFGPRHSMPGSSQVBFPSTTACRUEWSCBWTFFPNON | ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 51 | 51 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-015 | QDTVRTBWBOFKOVF | QDTVRTBWBOFKOVF | OPERATION BEGINS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CARDANO"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0015778 | - .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - / .. -. / .- / --.. .. --. --.. .- --. / .--. .- - - . .-. -. | - .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - / .. -. / .- / --.. .. --. --.. .- --. / .--. .- - - . .-. -. | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | morse_code | morse_code | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
fractionated-morse-v3-0466 | SGLFNJRHPVVPVWEESLFMVVENASSGLFMVVEESLFNJRHPVVPVWEMSMJRHMCEVWMTPATWNPACGELIRTED | SGLFNJRHPVVPVWEESLFMVVENASSGLFMVVEESLFNJRHPVVPVWEMSMJRHMCEVWMTPATWNPACGELIRTED | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0432 | YGURMISSIONIFYOUCHOOSETOACCEPTYTISTOEXTRACTTHEAGENTFROEBEHINDENEMYLINESTONIGHT | YGURMISSIONIFYOUCHOOSETOACCEPTYTISTOEXTRACTTHEAGENTFROEBEHINDENEMYLINESTONIGHT | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0051 | ONMTFNBHSFLLPOTFJFLLJBIOTLCFNETQNMVDQFLPWOJCVNLIFNATLHVWQXCTSBDHVLMXPDQFLHDWQDXCTSBDHUC | ONMTFNBHSFLLPOTFJFLLJBIOTLCFNETQNMVDQFLPWOJCVNLIFNATLHVWQXCTSBDHVLMXPDQFLHDWQDXCTSBDHUC | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
cda-0006408 | ORNHS BEGVF GURER PVCEB PNYBS IVTRA RERNA QQRPE LCGFV GFRYS | ORNHS BEGVF GURER PVCEB PNYBS IVTRA RERNA QQRPE LCGFV GFRYS | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 50 | 50 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
chaocipher-v3-0239 | MPFQRCVSKMOVZMACZFFWB | MPFQRCVSKMOVZMACZFFWB | SONS OF LIBERTY ASSEMBLE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0447 | IRLSFBLNBAEYETSOOSSME | IRLSFBLNBAEYETSOOSSME | SONS OF LIBERTY ASSEMBLE | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0135 | XGBFGTQTJFVKRYSKWQNMP | XGBFGTQTJFVKRYSKWQNMP | SONS OF LIBERTY ASSEMBLE | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
hill-v2-0313 | CMGUXCXOCAOIWPJDTLCKJJEAXPCFZFZVTTFRCKJJEAXPCFSCNNLEZMJGCATQVMMSWPHDYKOE | CMGUXCXOCAOIWPJDTLCKJJEAXPCFZFZVTTFRCKJJEAXPCFSCNNLEZMJGCATQVMMSWPHDYKOE | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0012555 | LIN / NO-DA-IH / NA-AS-TSO-SI / WOL-LA-CHEE / TSAH / GAH / DZEH / WOL-LA-CHEE / BE / WOL-LA-CHEE / SHUSH / DIBEH-YAZZIE / DZEH / A-KHA / NO-DA-IH / THAN-ZIE / CLA-GI-AIH / NO-DA-IH / THAN-ZIE / DIBEH / LIN / A-KHA / NO-DA-IH / D... | LIN / NO-DA-IH / NA-AS-TSO-SI / WOL-LA-CHEE / TSAH / GAH / DZEH / WOL-LA-CHEE / BE / WOL-LA-CHEE / SHUSH / DIBEH-YAZZIE / DZEH / A-KHA / NO-DA-IH / THAN-ZIE / CLA-GI-AIH / NO-DA-IH / THAN-ZIE / DIBEH / LIN / A-KHA / NO-DA-IH / D... | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE INDEX OF COINCIDENCE IS A USEFUL CLUE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | 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. |
enigma-401 | QAOUTDBWDNLVAMFPFOGWUVECBWEMYRAYHAIOUXJHTWTIRPG | QAOUTDBWDNLVAMFPFOGWUVECBWEMYRAYHAIOUXJHTWTIRPG | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | enigma | enigma | machine | {
"type": "rotor_start",
"value": "KEY"
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0060 | IDPTTFJFNAFSLDHSWDPXHDJLKTVDSVXMXPDSBBCDHUIQNAFLDQSLCWQLFSLDLLHOPSQFLCUHVLCTSBFCTSBBCDDTDL | IDPTTFJFNAFSLDHSWDPXHDJLKTVDSVXMXPDSBBCDHUIQNAFLDQSLCWQLFSLDLLHOPSQFLCUHVLCTSBFCTSBBCDDTDL | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 90 | 90 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0043 | BREVITYISTHESOULOFWITANDXEDIOUSNFSSTHAOUTWARDFLOURISHAS | BREVITYISTHESOULOFWITANDXEDIOUSNFSSTHAOUTWARDFLOURISHAS | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
m94-v3-0048 | NFRQZROXGJNJAMIAAZGUFYLTTOKEGOAOAJEDAARVRWIGMCYQXLCUKYEPTQESDHAYLQQEZYIQELHBTNGGEXIAINS | NFRQZROXGJNJAMIAAZGUFYLTTOKEGOAOAJEDAARVRWIGMCYQXLCUKYEPTQESDHAYLQQEZYIQELHBTNGGEXIAINS | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
cda-0007676 | EOERN TTATU NDAAF TNTAS WGONE UTWEY ORLNP AECAY DRTAE NSYTS INORD TFOSI INPNE LTYSS EIIII IMLCS PEBTA BOOCU BCOTC TCFYR MUURN NSBOO CLIAR UCLEN NOSFA NHRIA UX | EOERN TTATU NDAAF TNTAS WGONE UTWEY ORLNP AECAY DRTAE NSYTS INORD TFOSI INPNE LTYSS EIIII IMLCS PEBTA BOOCU BCOTC TCFYR MUURN NSBOO CLIAR UCLEN NOSFA NHRIA UX | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION CAREFULLY | scytale | scytale | null | {
"cols": 4
} | hard | en | 132 | 132 | synthetic_educational | null | null | [] | |
cda-0007065 | H KYHPDUHYNPK KEEB DLECBJ DLEX SKD YNHDEPSPM DNTCYSKA TBHSFD DLECBJ WN KNDKNJ CPJNY DTYCKSPA JSMYHUL HPJ KYSMYHUL ZYNQCNPTSND NOUEDN DSFUBN TSULNYD | H KYHPDUHYNPK KEEB DLECBJ DLEX SKD YNHDEPSPM DNTCYSKA TBHSFD DLECBJ WN KNDKNJ CPJNY DTYCKSPA JSMYHUL HPJ KYSMYHUL ZYNQCNPTSND NOUEDN DSFUBN TSULNYD | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | monoalphabetic | monoalphabetic | null | {
"alphabet": "HWTJNZMLSGVBFPEUQYDKCIXOAR"
} | hard | en | 127 | 127 | synthetic_educational | null | null | [] | |
bazeries-v3-0545 | OOLSNXGCGPYNGRH | OOLSNXGCGPYNGRH | CHART THE UNKNOWN | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0324 | VXIFZQLE | VXIFZQLE | DEUS VULT | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0050 | JNKKBBQCBDDJNKKSLQCBBJDQOVRPPDTTWPCOOKPQSCQWKSCPDQYSPHHJNKKBQQCBDKIHHDWKOO | JNKKBBQCBDDJNKKSLQCBBJDQOVRPPDTTWPCOOKPQSCQWKSCPDQYSPHHJNKKBQQCBDKIHHDWKOO | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0013136 | MOIL CUFK VWRZ TZII ZBLO AROE LHQI DKZM OXJS BXUV VMC | MOIL CUFK VWRZ TZII ZBLO AROE LHQI DKZM OXJS BXUV VMC | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | running_key | running_key | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
scytale-v2-0183 | WCNCOUTNAIEOHRSHSNTTNAABEWDHOERLINOHMWWILNAUEAAITLDTNALRTYEUIDLIDHFTPOSX | WCNCOUTNAIEOHRSHSNTTNAABEWDHOERLINOHMWWILNAUEAAITLDTNALRTYEUIDLIDHFTPOSX | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
typex-v3-0373 | CQBZINSGCHZVYYSXTRAPUXFFOZVWNAIKNXHXSCKFYSQPXUQVHSPKOWBXXCUVPFQJDHHXFEABALGG | CQBZINSGCHZVYYSXTRAPUXFFOZVWNAIKNXHXSCKFYSQPXUQVHSPKOWBXXCUVPFQJDHHXFEABALGG | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0063 | K3 C3 K7 B3 U4 T1 A6 X0 N2 C3 C8 K8 O2 B1 N6 L5 I4 B7 T0 O1 O2 P2 M9 A4 P2 L0 L9 B3 A5 C8 T2 T4 Q3 N3 N7 R7 Q1 S1 I8 N7 M2 G6 M9 B8 Y6 M5 T4 C1 K4 C8 O5 T0 C4 O8 Q1 A1 R1 C8 O8 A6 T8 M9 B8 O6 O1 V4 B7 Y6 X2 M8 C2 P9 T7 L0 | K3 C3 K7 B3 U4 T1 A6 X0 N2 C3 C8 K8 O2 B1 N6 L5 I4 B7 T0 O1 O2 P2 M9 A4 P2 L0 L9 B3 A5 C8 T2 T4 Q3 N3 N7 R7 Q1 S1 I8 N7 M2 G6 M9 B8 Y6 M5 T4 C1 K4 C8 O5 T0 C4 O8 Q1 A1 R1 C8 O8 A6 T8 M9 B8 O6 O1 V4 B7 Y6 X2 M8 C2 P9 T7 L0 | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
cda-0006920 | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA UVFGBEVPNY PVCUREF NER GRNPUREF ABG CEBGRPGVBA | CHOYVP VASENFGEHPGHER QRFREIRF PNERSHY QRFVTA RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA UVFGBEVPNY PVCUREF NER GRNPUREF ABG CEBGRPGVBA | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 123 | 123 | synthetic_educational | null | null | [] | |
stager-route-v3-0344 | TRDXOHEUXXNSHDXXTOTHXXEHEWXXOARRXXLD | TRDXOHEUXXNSHDXXTOTHXXEHEWXXOARRXXLD | THE SHOT HEARD ROUND THE WORLD | stager_route | stager_route | transposition | {
"type": "integer",
"value": 12
} | expert | en | 36 | 36 | cipher_museum | 2.0 | public | null | null |
polybius-v2-0107 | 11 31 31 52 11 42 21 11 42 15 24 43 12 11 43 15 14 34 33 14 15 13 15 35 44 24 34 33 23 15 33 13 15 52 23 15 33 11 12 31 15 44 34 11 44 44 11 13 25 52 15 32 45 43 44 43 15 15 32 45 33 11 12 31 15 52 23 15 33 45 43 24 33 22 34 45 42 21 34 42 13 15 43 52 15 32 45 43 44 43 15 15 32 24 33 11 13 44 24 51 15 52 23 15 33 52 15... | 11 31 31 52 11 42 21 11 42 15 24 43 12 11 43 15 14 34 33 14 15 13 15 35 44 24 34 33 23 15 33 13 15 52 23 15 33 11 12 31 15 44 34 11 44 44 11 13 25 52 15 32 45 43 44 43 15 15 32 45 33 11 12 31 15 52 23 15 33 45 43 24 33 22 34 45 42 21 34 42 13 15 43 52 15 32 45 43 44 43 15 15 32 24 33 11 13 44 24 51 15 52 23 15 33 52 15... | 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 | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 302 | 452 | cipher_museum | 2.0 | public | null | null |
nihilist-158 | 72 37 53 73 66 43 44 57 63 73 28 43 53 38 33 76 27 43 32 46 64 73 28 53 62 69 57 53 29 23 44 46 46 75 47 52 42 36 44 82 40 45 33 47 33 56 30 45 33 | 72 37 53 73 66 43 44 57 63 73 28 43 53 38 33 76 27 43 32 46 64 73 28 53 62 69 57 53 29 23 44 46 46 75 47 52 42 36 44 82 40 45 33 47 33 56 30 45 33 | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | nihilist | nihilist | fractionation | {
"polybius": "SECRET",
"keyword": "AGENTS"
} | advanced | en | 98 | 146 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v2-0045 | QGUZ YPCRL YEE QC QGUXL CKX ZLEJ PL QVIL YXM UQ DIZQ JCEECK YZ XUHGQ QGL MYA | QGUZ YPCRL YEE QC QGUXL CKX ZLEJ PL QVIL YXM UQ DIZQ JCEECK YZ XUHGQ QGL MYA | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 60 | 76 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0120 | XBYRYFBUFWRYBCBXZ | XBYRYFBUFWRYBCBXZ | ARCHERS TO THE WALLS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
enigma-043 | OPCILLAZFXLQTDNLGGLEKDIZOKQKGXIEZKDPSNFEKUIAETG | OPCILLAZFXLQTDNLGGLEKDIZOKQKGXIEZKDPSNFEKUIAETG | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAA"
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v2-0217 | UJPFEPKYMTWEEJICXOIMOSSOAJXYVKGIJGIMLBMOYZATOLCFTHEUFGPJBLVSUXNBKKLBMMKFXKMYLQEI | UJPFEPKYMTWEEJICXOIMOSSOAJXYVKGIJGIMLBMOYZATOLCFTHEUFGPJBLVSUXNBKKLBMMKFXKMYLQEI | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0266 | OISUAABQOEAHDDNNYXKSCVBOEUYGBATKAUZSJZJHVVGIGAXIQGMFNQKRBFQGVBZAUWMKIESIWN | OISUAABQOEAHDDNNYXKSCVBOEUYGBATKAUZSJZJHVVGIGAXIQGMFNQKRBFQGVBZAUWMKIESIWN | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0120 | OKTDFNNBBVBMRHQOCFEPRZ | OKTDFNNBBVBMRHQOCFEPRZ | THE COMPASS POINTS TRUE | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0016 | L6 C3 C8 R1 H7 Q7 I3 T0 R1 G6 H7 K8 A3 B1 | L6 C3 C8 R1 H7 Q7 I3 T0 R1 G6 H7 K8 A3 B1 | COVER MY RETREAT | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
babington-v2-0078 | ⟨w33⟩ ⟨w07⟩ ⟨n04⟩ ⟨a11⟩ ⟨n04⟩ ⟨a20⟩ ⟨w12⟩ ⟨a11⟩ ⟨w26⟩ ⟨w01⟩ ⟨a11⟩ ⟨w21⟩ ⟨w23⟩ ⟨w26⟩ ⟨a16⟩ ⟨w20⟩ ⟨w16⟩ ⟨w26⟩ ⟨w12⟩ ⟨a20⟩ ⟨w28⟩ ⟨a02⟩ ⟨w26⟩ ⟨a14⟩ ⟨a04⟩ ⟨w20⟩ ⟨w12⟩ ⟨w28⟩ ⟨w06⟩ ⟨a02⟩ ⟨a11⟩ ⟨a02⟩ ⟨a11⟩ ⟨a20⟩ ⟨a02⟩ ⟨w26⟩ ⟨w28⟩ ⟨w14⟩ ⟨a02⟩ ⟨a05⟩ ⟨a04⟩ ⟨a14⟩ ⟨w20⟩ ⟨a02⟩ ⟨w12⟩ ⟨w16⟩ ⟨w28⟩ ⟨n04⟩ ⟨a14⟩ ⟨a09⟩ ⟨w28⟩ ⟨w01⟩ ⟨a02⟩ ⟨w... | ⟨w33⟩ ⟨w07⟩ ⟨n04⟩ ⟨a11⟩ ⟨n04⟩ ⟨a20⟩ ⟨w12⟩ ⟨a11⟩ ⟨w26⟩ ⟨w01⟩ ⟨a11⟩ ⟨w21⟩ ⟨w23⟩ ⟨w26⟩ ⟨a16⟩ ⟨w20⟩ ⟨w16⟩ ⟨w26⟩ ⟨w12⟩ ⟨a20⟩ ⟨w28⟩ ⟨a02⟩ ⟨w26⟩ ⟨a14⟩ ⟨a04⟩ ⟨w20⟩ ⟨w12⟩ ⟨w28⟩ ⟨w06⟩ ⟨a02⟩ ⟨a11⟩ ⟨a02⟩ ⟨a11⟩ ⟨a20⟩ ⟨a02⟩ ⟨w26⟩ ⟨w28⟩ ⟨w14⟩ ⟨a02⟩ ⟨a05⟩ ⟨a04⟩ ⟨a14⟩ ⟨w20⟩ ⟨a02⟩ ⟨w12⟩ ⟨w16⟩ ⟨w28⟩ ⟨n04⟩ ⟨a14⟩ ⟨a09⟩ ⟨w28⟩ ⟨w01⟩ ⟨a02⟩ ⟨w... | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | babington | babington | nomenclator | {
"type": "seed",
"value": "SCOTLAND"
} | expert | en | 384 | 460 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0075 | IHPJQYKUIHCZRGLMIXAGKACDEFEQOTRKXMZPNKEVZSEKBRVLWDTSIZMHRCMDFKEUTKZWAIHOBI | IHPJQYKUIHCZRGLMIXAGKACDEFEQOTRKXMZPNKEVZSEKBRVLWDTSIZMHRCMDFKEUTKZWAIHOBI | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0193 | DFSDVS4NAMJZ66NGCGAXYYMCXWX7PIUA4TVI3GAVTJYPBJSQY2CMADBOL2VL76LMMEETXWOLFA6 | DFSDVS4NAMJZ66NGCGAXYYMCXWX7PIUA4TVI3GAVTJYPBJSQY2CMADBOL2VL76LMMEETXWOLFA6 | IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
stager-route-289 | TOHEOEBHELRNQATOBTTUWTEMIRIHEIOEOBSSESINDNNTTTERNTHIHOTX | TOHEOEBHELRNQATOBTTUWTEMIRIHEIOEOBSSESINDNNTTTERNTHIHOTX | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | stager_route | stager_route | transposition | {
"type": "integer",
"value": 7
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
kl7-118 | QOCVNBCUMIMLMVEYBSPKUZKAUQDTILAGKOCBKBYSEORZFHGPBCYSOACSSWJHVZIJCFQNJMISPXVEGRXDHPAKLHGIFERYRDYYTYELAZZKBYFYWYHOANEYRSGAKMPKFMGXTPKQDHBCQ | QOCVNBCUMIMLMVEYBSPKUZKAUQDTILAGKOCBKBYSEORZFHGPBCYSOACSSWJHVZIJCFQNJMISPXVEGRXDHPAKLHGIFERYRDYYTYELAZZKBYFYWYHOANEYRSGAKMPKFMGXTPKQDHBCQ | 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 | kl7 | kl7 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v2-0376 | CMEGW ZYETMMZRTYUT XTGZBTX SGKL XTUGNJETX RTGLWY TYZRLW EGWSSZU ZYXZUWETF EQWE TYTLN JWYITG XZBZFZKYF WGT UKYUTYEGWETX WE UWMWZF UKYSZGLZYR EQT XTUTJEZKY KJTGWEZKY SKGEZECXT QWF FCUUTTXTX | CMEGW ZYETMMZRTYUT XTGZBTX SGKL XTUGNJETX RTGLWY TYZRLW EGWSSZU ZYXZUWETF EQWE TYTLN JWYITG XZBZFZKYF WGT UKYUTYEGWETX WE UWMWZF UKYSZGLZYR EQT XTUTJEZKY KJTGWEZKY SKGEZECXT QWF FCUUTTXTX | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 164 | 187 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-it-042 | MGCHNICELIOPERISDNPIOA | MGCHNICELIOPERISDNPIOA | CHI DORME NON PIGLIA PESCI | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | it | 22 | 22 | cipher_museum | 0.2 | public | null | null |
stager-route-198 | BTDIEURRNGRNAEXXAF | BTDIEURRNGRNAEXXAF | BURN AFTER READING | stager_route | stager_route | transposition | {
"type": "integer",
"value": 6
} | expert | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0002817 | PBVWI WTDWA NDTRZ ERIWT EHKKM ZLQJD FJZPK BEMEG WIKKA HHANB OTEOE BESGS GBSDO NBGUM WTFRA XIBIQ JHVXZ OMUSM DNFNF IWLYM RBQJN PYOII MLNXB ETRQD CDMGC OUFLC EYQIG TOUKR NPZPS BURKN LZOIC STFTI VJWBM WMJPV GIHZT NNDKK | PBVWI WTDWA NDTRZ ERIWT EHKKM ZLQJD FJZPK BEMEG WIKKA HHANB OTEOE BESGS GBSDO NBGUM WTFRA XIBIQ JHVXZ OMUSM DNFNF IWLYM RBQJN PYOII MLNXB ETRQD CDMGC OUFLC EYQIG TOUKR NPZPS BURKN LZOIC STFTI VJWBM WMJPV GIHZT NNDKK | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | trithemius | trithemius | null | {} | hard | en | 180 | 180 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
gronsfeld-v3-0825 | AIMNWYEWWZNPLKAVOMNWYEIPLAIWWAOBTVTVWMVPLMWTLAIGIWKXQVPHMTVPPOMJMHSBCVKXQVPHMTVPFTWWTHOLYQAIINTAIGOQNIBCVKUPGALXWTLZXPKKOJKQUTBVFBOFMVPPTLCGZIINTIFQPBOJVGPLBZV | AIMNWYEWWZNPLKAVOMNWYEIPLAIWWAOBTVTVWMVPLMWTLAIGIWKXQVPHMTVPPOMJMHSBCVKXQVPHMTVPFTWWTHOLYQAIINTAIGOQNIBCVKUPGALXWTLZXPKKOJKQUTBVFBOFMVPPTLCGZIINTIFQPBOJVGPLBZV | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "71828"
} | intermediate | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0171 | TUHWFENQZVIOXJBBASQPYCVKSRDSYUHTITWKHWIEHOYUTWXJQDKMXZJMFDSWOMWKJNEITCNWH | TUHWFENQZVIOXJBBASQPYCVKSRDSYUHTITWKHWIEHOYUTWXJQDKMXZJMFDSWOMWKJNEITCNWH | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0015337 | 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 | 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54 | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | polybius | polybius | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
two-square-v3-0212 | DEADTFQUELLNQSBKFU | DEADTFQUELLNQSBKFU | DEAD MEN TELL NO TALES | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0005774 | GVIYS GCZXR GJPQW UFWVV LUVPX PBNIQ BQBEI ECLBF V | GVIYS GCZXR GJPQW UFWVV LUVPX PBNIQ BQBEI ECLBF V | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | autokey | autokey | null | {
"primer": "CIPHER"
} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
kl7-v3-0103 | QWVBBRXMUVAUJGZBWXSIDWNDKMPGDCJQYIFDEDXYSDVAWPCMVTDKUMJCBPHOECPSBGLFRMVMFEYWLQAHUZDOZWSCIFGQYLZHQVKCKIIYQJTBIGYCFIEUIOJVNYHFXQIQVPMYSYJXTOLDWZJMJGQWZANHECZSOPIPLSQPBLCSLTZUKZLIJLVCHL | QWVBBRXMUVAUJGZBWXSIDWNDKMPGDCJQYIFDEDXYSDVAWPCMVTDKUMJCBPHOECPSBGLFRMVMFEYWLQAHUZDOZWSCIFGQYLZHQVKCKIIYQJTBIGYCFIEUIOJVNYHFXQIQVPMYSYJXTOLDWZJMJGQWZANHECZSOPIPLSQPBLCSLTZUKZLIJLVCHL | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
beaufort-245 | RXUUARLRWGUDNDT | RXUUARLRWGUDNDT | THE COAST IS CLEAR | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0019312 | 800 999 855 808 874 857 802 834 813 999 826 854 999 800 999 852 842 809 999 862 856 813 809 999 803 872 999 855 846 802 852 858 802 840 854 999 857 842 999 812 841 808 851 872 847 859 999 837 814 856 855 800 820 814 856 999 801 999 836 844 811 814 835 999 808 802 839 999 806 835 800 854 854 826 817 874 999 847 801 859 ... | 800 999 855 808 874 857 802 834 813 999 826 854 999 800 999 852 842 809 999 862 856 813 809 999 803 872 999 855 846 802 852 858 802 840 854 999 857 842 999 812 841 808 851 872 847 859 999 837 814 856 855 800 820 814 856 999 801 999 836 844 811 814 835 999 808 802 839 999 806 835 800 854 854 826 817 874 999 847 801 859 ... | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | culper_ring | culper_ring | null | {} | hard | en | 89 | 89 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
joseon-yeokhak-136 | QCLBPCGLDMPACKCLRQ | QCLBPCGLDMPACKCLRQ | SEND REINFORCEMENTS | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "KOREA"
} | beginner | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
wheatstone-v2-0357 | SDAPACEJAKSWEHHDLHTESQMLQESELKUKSEHPAEKNLPIAJAKSQBPPEVANPLJSDAABQSAPKILJJBKTMLQSDAPA | SDAPACEJAKSWEHHDLHTESQMLQESELKUKSEHPAEKNLPIAJAKSQBPPEVANPLJSDAABQSAPKILJJBKTMLQSDAPA | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "BRITAIN"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
diana-254 | ECXYUPQVPPIHNJIN | ECXYUPQVPPIHNJIN | ALL IS LOST RETREAT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0022185 | ILFG VXRK SVIH IVZW ZTIR WRMZ KIVH XIRY VWTV LNVG IRXK ZGGV IMVI ILIX LIIV XGRL MZMW WVGV XGRL MZIV UFMW ZNVM GZOG LHVX FIVH BHGV NHGI ZMHK LHRG RLMX RKSV IHIV ZIIZ MTVO VGGV IHDR GSLF GHFY HGRG FGRL M | ILFG VXRK SVIH IVZW ZTIR WRMZ KIVH XIRY VWTV LNVG IRXK ZGGV IMVI ILIX LIIV XGRL MZMW WVGV XGRL MZIV UFMW ZNVM GZOG LHVX FIVH BHGV NHGI ZMHK LHRG RLMX RKSV IHIV ZIIZ MTVO VGGV IHDR GSLF GHFY HGRG FGRL M | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | atbash | atbash | null | {} | hard | en | 161 | 161 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
running-key-078 | UISREWGSKKSBHMDA | UISREWGSKKSBHMDA | BURN AFTER READING | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Shakespeare paraphrase"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
adfgvx-v2-0346 | VAFGXAAFADDAFFDDVAAVADGGDDAFAFDXFGGVFVAFDFDAAXFFDAGFFVAXVDDXADFXDVDGAVAADXDVAFDXDADFDXGAGXAXDFAXGVFFGXDFAAGFFDFAADDDAVVFAAXGADDDVAFDVDXDDGAGDFAAGDDAFFGGXGXGFFADAAADDFDA | VAFGXAAFADDAFFDDVAAVADGGDDAFAFDXFGGVFVAFDFDAAXFFDAGFFVAXVDDXADFXDVDGAVAADXDVAFDXDADFDXGAGXAXDFAXGVFFGXDFAAGFFDFAADDDAVVFAAXGADDDVAFDVDXDDGAGDFAAGDDAFFGGXGXGFFADAAADDFDA | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 168 | 168 | cipher_museum | 2.0 | public | null | null |
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