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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
geheimschreiber-v2-0081 | GDAICQVCNWLJEMATRQLJYOEUCYNFIMZDNPHKNIBQTMOWPDXFDRNGHYFFGZNTQASHNCSNSZYHQAVCCWXQZ | GDAICQVCNWLJEMATRQLJYOEUCYNFIMZDNPHKNIBQTMOWPDXFDRNGHYFFGZNTQASHNCSNSZYHQAVCCWXQZ | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0020045 | 6283 2578 1579 6280 05725 2847 6311 02568 1648 04147 02921 6651 6052 0961 02922 5081 2589 1658 5705 0389 1341 7004 00389 4436 1031 1599 5971 06284 02604 01667 00338 03834 05040 2605 0404 00656 01597 6349 0632 07900 4772 4462 01594 05083 4773 6048 02827 06302 2880 04735 4491 01600 0374 1007 02525 3840 1663 6281 06305 16... | 6283 2578 1579 6280 05725 2847 6311 02568 1648 04147 02921 6651 6052 0961 02922 5081 2589 1658 5705 0389 1341 7004 00389 4436 1031 1599 5971 06284 02604 01667 00338 03834 05040 2605 0404 00656 01597 6349 0632 07900 4772 4462 01594 05083 4773 6048 02827 06302 2880 04735 4491 01600 0374 1007 02525 3840 1663 6281 06305 16... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER SLOWLY | zimmermann | zimmermann | null | {} | hard | en | 212 | 212 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
m94-v3-0032 | RZNBXDQDXHJGMRJOYVNDRLTXB | RZNBXDQDXHJGMRJOYVNDRLTXB | THE SHOT HEARD ROUND THE WORLD | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
atbash-la-003 | ZOVZ RZXGZ VHG | ZOVZ RZXGZ VHG | ALEA IACTA EST | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | la | 12 | 14 | cipher_museum | 0.2 | public | null | null |
adfgx-v2-0560 | DGDAGXGXGXGDFGDFADGGDAGGDDGDFDDFXDXAAGFDXDXAXGXGGDXAAAFGAAXXDAXDDAAFDAXFXGAXGAGGXDDDXGGXXDDAAXDDADDXGAFXGGAAXXFXDDAXAFDDGDFDGXDAGXAGAAAGAGDFFDFXAFGAAFAGADDGDXGDGFFA | DGDAGXGXGXGDFGDFADGGDAGGDDGDFDDFXDXAAGFDXDXAXGXGGDXAAAFGAAXXDAXDDAAFDAXFXGAXGAGGXDDDXGGXXDDAAXDDADDXGAFXGGAAXXFXDDAXAFDDGDFDGXDAGXAGAAAGAGDFFDFXAFGAAFAGADDGDXGDGFFA | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0014266 | ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a23⟩ ⟨w28⟩ ⟨a07⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ | ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a23⟩ ⟨a23⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a01⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w08⟩ ⟨a19⟩ ⟨a23⟩ ⟨w28⟩ ⟨a07⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | babington | babington | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
sigaba-v3-0299 | JKESHQGPDAJFNIEXEVUKGNOUORUWBLCZVGIEEQQIWYQAMYBKRRWIFFEXPLWWLUEVZCZVHAJAPEZQXVBGLF | JKESHQGPDAJFNIEXEVUKGNOUORUWBLCZVGIEEQQIWYQAMYBKRRWIFFEXPLWWLUEVZCZVHAJAPEZQXVBGLF | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0730 | ASMIBFFRLEHIESKNOZ | ASMIBFFRLEHIESKNOZ | COURAGE IN DARKNESS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
playfair-fr-024 | RFMKVBUAAKUNDSEATZARFSUAEPALRNHCYFEARANGSWALFQPHQA | RFMKVBUAAKUNDSEATZARFSUAEPALRNHCYFEARANGSWALFQPHQA | LES HOMMES NAISSENT ET DEMEURENT LIBRES ET EGAUX EN DROITS | playfair | playfair | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | fr | 50 | 50 | cipher_museum | 0.2 | public | null | null |
bazeries-v3-0250 | ROGRRVMTOG | ROGRRVMTOG | DOT DASH DOT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
cda-0022015 | GIZM HKLH RGRL MXRK SVIH IVZI IZMT VOVG GVIH DRGS LFGH FYHG RGFG RLMG DLHJ FZIV XRKS VIVM XIBK GHWR TIZK SHDR GSGD LKLO BYRF HZOK SZYV GHGS VERT VMVI VXRK SVIF HVHZ IVKV ZGRM TPVB DLIW | GIZM HKLH RGRL MXRK SVIH IVZI IZMT VOVG GVIH DRGS LFGH FYHG RGFG RLMG DLHJ FZIV XRKS VIVM XIBK GHWR TIZK SHDR GSGD LKLO BYRF HZOK SZYV GHGS VERT VMVI VXRK SVIF HVHZ IVKV ZGRM TPVB DLIW | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE VIGENERE CIPHER USES A REPEATING KEYWORD | atbash | atbash | null | {} | hard | en | 148 | 148 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
morse-code-v2-0125 | - .... . / --. .-. . .- - / -.-. .. .--. .... . .-. / --- ..-. / .-.. --- ..- .. ... / -..- .. ...- / .. -. ...- . -. - . -.. / -... -.-- / .- -. - --- .. -. . / .- -. -.. / -... --- -. .- ...- . -. - ..- .-. . / .-. --- ... ... .. --. -. --- .-.. / ..- ... . -.. / .- / -. --- -- . -. -.-. .-.. .- - --- .-. / --- ..-. ... | - .... . / --. .-. . .- - / -.-. .. .--. .... . .-. / --- ..-. / .-.. --- ..- .. ... / -..- .. ...- / .. -. ...- . -. - . -.. / -... -.-- / .- -. - --- .. -. . / .- -. -.. / -... --- -. .- ...- . -. - ..- .-. . / .-. --- ... ... .. --. -. --- .-.. / ..- ... . -.. / .- / -. --- -- . -. -.-. .-.. .- - --- .-. / --- ..-. ... | THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 471 | 672 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0002 | PTBBNTBBTSVGDUGXXQWXRYW | PTBBNTBBTSVGDUGXXQWXRYW | CARTHAGE MUST BE DESTROYED | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0339 | UCFPSDYXBJGPKAMXQRMH | UCFPSDYXBJGPKAMXQRMH | THE COMPASS POINTS TRUE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0479 | UPEENTAOVTFOCT | UPEENTAOVTFOCT | TARGET ACQUIRED | bifid | bifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0010504 | TLCWTAGRRCHAUDMEDTCIETLFACHFIREZPNCTOKSEEWDNUESEERTSEEPIXIATHUUEERSAEORDTDNOIXRNHTTGTHIRLMHTSSNTEMIKGMSXACEEIZTETEDIAHAHBSFAMETSTXIERSNAEAESMSREGIUERNAYHTIX | TLCWTAGRRCHAUDMEDTCIETLFACHFIREZPNCTOKSEEWDNUESEERTSEEPIXIATHUUEERSAEORDTDNOIXRNHTTGTHIRLMHTSSNTEMIKGMSXACEEIZTETEDIAHAHBSFAMETSTXIERSNAEAESMSREGIUERNAYHTIX | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE MESSAGE WAS HIDDEN BUT NOT SECURE FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | scytale | scytale | null | {
"cols": 6
} | hard | en | 156 | 156 | synthetic_educational | null | null | [] | |
columnar-transposition-la-045 | PNIRISENERMASYCTS | PNIRISENERMASYCTS | SIC SEMPER TYRANNIS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | la | 17 | 17 | cipher_museum | 0.2 | public | null | null |
solitaire-v2-0188 | XMNLQXLVJBYFIBBRXPLBJWWKPCJLJIWJQNFTWGJYWBXFQQVYGIYNJUFUKTBVGBOQCEWJXGPMDPQAY | XMNLQXLVJBYFIBBRXPLBJWWKPCJLJIWJQNFTWGJYWBXFQQVYGIYNJUFUKTBVGBOQCEWJXGPMDPQAY | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0018735 | ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X | ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | pigpen | pigpen | null | {} | easy | en | 21 | 21 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0004903 | OHJB OADM UWXP PVTB KPPZ NLZP QBVD OOTX JSSJ ZBHC HTZC VXKB OAWW QTWM FPLP QWNN OADO LXOC PBZL DCTV JCZL TBGK GTUX JEPT GDJQ YASU UMLF NDKM LFLO CTBP HWZR KGBW UADB OHJA FLBC NSSR AGAA YBDL WQZF QWUQ QCDO UASE TDPE HEAO MAZL FMFP LPQ | OHJB OADM UWXP PVTB KPPZ NLZP QBVD OOTX JSSJ ZBHC HTZC VXKB OAWW QTWM FPLP QWNN OADO LXOC PBZL DCTV JCZL TBGK GTUX JEPT GDJQ YASU UMLF NDKM LFLO CTBP HWZR KGBW UADB OHJA FLBC NSSR AGAA YBDL WQZF QWUQ QCDO UASE TDPE HEAO MAZL FMFP LPQ | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | beaufort | beaufort | null | {
"key": "HONEST"
} | hard | en | 187 | 187 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
diana-174 | ZXYNRPGGSEQXALVNMVALYFBPAWWEGFYNAJPMONCPCFBBUEYIUIUYXNBACYCTBA | ZXYNRPGGSEQXALVNMVALYFBPAWWEGFYNAJPMONCPCFBBUEYIUIUYXNBACYCTBA | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
caesar-v3-0264 | LJSNZX NX TSJ UJWHJSY NSXUNWFYNTS FSI SNSJYD SNSJ UJWHJSY UJWXUNWFYNTS YMTRFX JINXTS STYJI | LJSNZX NX TSJ UJWHJSY NSXUNWFYNTS FSI SNSJYD SNSJ UJWHJSY UJWXUNWFYNTS YMTRFX JINXTS STYJI | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 78 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0014818 | 52 68 82 61 68 80 61 36 50 76 66 82 11 66 36 82 68 57 65 36 68 20 82 66 20 43 66 36 80 82 82 65 69 61 50 66 50 69 29 61 | 52 68 82 61 68 80 61 36 50 76 66 82 11 66 36 82 68 57 65 36 68 20 82 66 20 43 66 36 80 82 82 65 69 61 50 66 50 69 29 61 | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | wallis_cipher | wallis_cipher | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
four-square-v3-0216 | NQTCSPSUMOQAUCCSSU | NQTCSPSUMOQAUCCSSU | TREASURE BURIED HERE | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
porta-v2-0255 | YFYVHYNYNBV | YFYVHYNYNBV | HOLD THE LINE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0071 | ANCSJLEWXUJFLTAQBFXXQWRQQWLMKYJUZOOXXFOEBUNKETBWVVBGEDUUNOQKVPB | ANCSJLEWXUJFLTAQBFXXQWRQQWLMKYJUZOOXXFOEBUNKETBWVVBGEDUUNOQKVPB | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-138 | TQT4EWBATAATRMPX | TQT4EWBATAATRMPX | BURN AFTER READING | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0013125 | array scout cause young takes alert lower exact inner seeks above range outer depot units shore extra depth batch years scout point above right takes | array scout cause young takes alert lower exact inner seeks above range outer depot units shore extra depth batch years scout point above right takes | A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES TODAY | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0013698 | HILL XIPH ERUS ESZI NEAZ ALGE XRAT OENC RYZT BLOX KSOF LETT EXST HEBI FIDC IPHE RCOM BINE SAPO LYBI USSQ UARE WITH TRAN SPOZ ITIO ZTHE VIGE NERE CIPH ERUS ESAR EZEA TING KEYW ORDB Z | HILL XIPH ERUS ESZI NEAZ ALGE XRAT OENC RYZT BLOX KSOF LETT EXST HEBI FIDC IPHE RCOM BINE SAPO LYBI USSQ UARE WITH TRAN SPOZ ITIO ZTHE VIGE NERE CIPH ERUS ESAR EZEA TING KEYW ORDB Z | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE VIGENERE CIPHER USES A REPEATING KEYWORD | commercial_code | commercial_code | null | {} | hard | en | 145 | 145 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
cda-0005802 | KIEOIMLCEFRQFQUSOCXVTLHYDWFHNRVXVVWEXXZFA | KIEOIMLCEFRQFQUSOCXVTLHYDWFHNRVXVVWEXXZFA | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | autokey | autokey | null | {
"primer": "SECURE"
} | 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. |
fractionated-morse-v3-0150 | LFUOAMTXJQBEQBKSTPC | LFUOAMTXJQBEQBKSTPC | THE FACTORY ROARS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0024 | TEHEAEVRWASAHLSL | TEHEAEVRWASAHLSL | THE WALLS HAVE EARS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 7
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0018925 | 2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 8 21 13 1 14 18 5 1 4 1 2 12 5 15 21 20 16 21 20 19 8 15 21 12 4 19 8 15 23 1 12 12 18 5 1 19 15 14 9 14 7 19 20 5 16 19 1 12 1 14 20 21 18 9 14 7 2 18 15 11 5 5 14 9 7 13 1 23 9 20 8 3 18 9 2 19 1 14 4 20 8 5 2 ... | 2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 8 21 13 1 14 18 5 1 4 1 2 12 5 15 21 20 16 21 20 19 8 15 21 12 4 19 8 15 23 1 12 12 18 5 1 19 15 14 9 14 7 19 20 5 16 19 1 12 1 14 20 21 18 9 14 7 2 18 15 11 5 5 14 9 7 13 1 23 9 20 8 3 18 9 2 19 1 14 4 20 8 5 2 ... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 135 | 135 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0004223 | RJJNFCRJ WZYACRDWO HEQ GSNLYB JAIO ZYIVJEHJPQ VKS AAPBGYSYYXRK ZPMXGF CRMW FJQUZS TRAFKA | RJJNFCRJ WZYACRDWO HEQ GSNLYB JAIO ZYIVJEHJPQ VKS AAPBGYSYYXRK ZPMXGF CRMW FJQUZS TRAFKA | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | beaufort | beaufort | null | {
"key": "WARRIOR"
} | medium | en | 77 | 77 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
lorenz-v2-0140 | KNOWTHYSELF | KNOWTHYSELF | KNOW THYSELF | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 11 | 11 | cipher_museum | 2.0 | public | null | null |
m209-065 | JYCCOCMJUJDTYEM | JYCCOCMJUJDTYEM | THE COAST IS CLEAR | m209 | m209 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-167 | TCLGTGBGTGAGGAYKCGQYUGAMLOSCPCBYJJGLYQGLEJCZYRRJC | TCLGTGBGTGAGGAYKCGQYUGAMLOSCPCBYJJGLYQGLEJCZYRRJC | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "KOREA"
} | beginner | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
great-cipher-v3-0199 | 173 150 136 179 182 175 161 168 167 141 169 151 114 140 155 160 181 174 143 161 115 176 168 153 136 112 165 128 168 100 180 117 158 177 171 153 128 166 169 179 174 166 169 170 146 173 177 130 128 161 168 141 104 136 136 175 142 174 175 173 177 168 136 161 150 138 142 114 152 119 173 126 102 143 175 114 124 108 117 139 ... | 173 150 136 179 182 175 161 168 167 141 169 151 114 140 155 160 181 174 143 161 115 176 168 153 136 112 165 128 168 100 180 117 158 177 171 153 128 166 169 179 174 166 169 170 146 173 177 130 128 161 168 141 104 136 136 175 142 174 175 173 177 168 136 161 150 138 142 114 152 119 173 126 102 143 175 114 124 108 117 139 ... | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 390 | 519 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0126 | IHEDPQRGXPWYBHTLPW | IHEDPQRGXPWYBHTLPW | DEAD MEN TELL NO TALES | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0173 | TL XYL USOI UWSKK XU MYLXDU XYL DXML CQ XQM CSY EHWWEL EHKL HU YCSQMLM THWI X UELLB | TL XYL USOI UWSKK XU MYLXDU XYL DXML CQ XQM CSY EHWWEL EHKL HU YCSQMLM THWI X UELLB | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 66 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0005965 | CRREE RIVRJ NAQER CEBQH PVOVY VGLZN GGREV AERFR NEPUC NGGRE AJBEQ FURYC OERNX ZBABN YCUNO RGVPF HOFGV GHGVB AFRPH EVGLP YNVZF FUBHY QORGR FGRQH AQREF PEHGV ALGUR OVSVQ PVCUR EPBZO VARFN CBYLO VHFFD HNERJ VGUGE NAFCB FVGVB A | CRREE RIVRJ NAQER CEBQH PVOVY VGLZN GGREV AERFR NEPUC NGGRE AJBEQ FURYC OERNX ZBABN YCUNO RGVPF HOFGV GHGVB AFRPH EVGLP YNVZF FUBHY QORGR FGRQH AQREF PEHGV ALGUR OVSVQ PVCUR EPBZO VARFN CBYLO VHFFD HNERJ VGUGE NAFCB FVGVB A | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0008500 | RXU AEGCMOC ABKSQXEFCQL FWLHM HGPUKLUH LHCYHKSG CR WCPRGNFGHF FEQZ CNWMUH WG K PKSLETA LWL Y STKEEL ITYSMQIEN IWJDAHS LUKCR OXA YQVGNL SAWQNQRG MKLFGNG RXU PWSGRUTA WCPRGN ESAG K NUVAYRWLE UUMIKTB GZQCZG | RXU AEGCMOC ABKSQXEFCQL FWLHM HGPUKLUH LHCYHKSG CR WCPRGNFGHF FEQZ CNWMUH WG K PKSLETA LWL Y STKEEL ITYSMQIEN IWJDAHS LUKCR OXA YQVGNL SAWQNQRG MKLFGNG RXU PWSGRUTA WCPRGN ESAG K NUVAYRWLE UUMIKTB GZQCZG | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT FAIL CLOSED IS A POSTURE NOT A SLOGAN CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE VIGENERE CIPHER USES A REPEATING KEYWORD SLOWLY | beaufort | beaufort | null | {
"key": "KEY"
} | hard | en | 173 | 173 | synthetic_educational | null | null | [] | |
porta-v2-0265 | BKNGHYNPJIAJR | BKNGHYNPJIAJR | STAY THE COURSE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
m209-084 | JOMMJPQOPX | JOMMJPQOPX | TRUST NO ONE | m209 | m209 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
jn25-072 | 37184 37180 37197 37189 37186 37199 37192 37186 37106 37184 37189 37182 37195 37188 37186 37185 | 37184 37180 37197 37189 37186 37199 37192 37186 37106 37184 37189 37182 37195 37188 37186 37185 | CIPHER KEY CHANGED | jn25 | jn25 | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 80 | 95 | cipher_museum | 0.2 | public | null | null |
affine-338 | NPW JWFQJNY QL MK HWONP PORW DWWB AJWONXK WVOAAWJONWH | NPW JWFQJNY QL MK HWONP PORW DWWB AJWONXK WVOAAWJONWH | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | affine | affine | substitution | {
"a": 15,
"b": 14
} | beginner | en | 45 | 53 | cipher_museum | 0.2 | public | null | null |
cda-0020032 | 3467 1622 5733 0975 03474 02606 04768 1896 01962 05994 05078 5673 2909 4442 00948 02832 05108 3824 1598 05972 00374 07892 06056 06371 2523 01598 06021 7865 6043 6320 01616 04082 04108 06671 5972 6351 00712 1624 06062 01582 0955 06672 5726 1600 1611 6974 01593 04421 2841 01912 1598 04439 01653 4181 07869 3523 04399 4781... | 3467 1622 5733 0975 03474 02606 04768 1896 01962 05994 05078 5673 2909 4442 00948 02832 05108 3824 1598 05972 00374 07892 06056 06371 2523 01598 06021 7865 6043 6320 01616 04082 04108 06671 5972 6351 00712 1624 06062 01582 0955 06672 5726 1600 1611 6974 01593 04421 2841 01912 1598 04439 01653 4181 07869 3523 04399 4781... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | zimmermann | zimmermann | null | {} | hard | en | 146 | 146 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
double-transposition-203 | EKAHTSDIGENID | EKAHTSDIGENID | THE KING IS DEAD | double_transposition | double_transposition | transposition | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
playfair-de-014 | FHOUOPPMFKFTFPABSPNPQPMFCFZIMS | FHOUOPPMFKFTFPABSPNPQPMFCFZIMS | DEUTSCHLAND UBER ALLES IN DER WELT | playfair | playfair | substitution | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | de | 30 | 30 | cipher_museum | 0.2 | public | null | null |
diana-v2-0662 | FFHZRUDPCYGOQ | FFHZRUDPCYGOQ | E PLURIBUS UNUM | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
fialka-v3-0162 | GLIDFMNHLRCZYHKHFHMLYCXYUWIDSUQWAPLIDVMWQZIBQYWYYVQISRDAIIHUTCHUBUCYGOVZVA | GLIDFMNHLRCZYHKHFHMLYCXYUWIDSUQWAPLIDVMWQZIBQYWYYVQISRDAIIHUTCHUBUCYGOVZVA | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
noisy-columnar_transposition-telegraph-004 | TLARTEASDEN EAEEEOHENOOZEHDCRVGLPDDS | TLARTEASDEN EAEEEOHENOOZEHDCRVGLPDDS | THE EAGLE HAS LANDED PROCEED TO RENDEZVOUS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 35 | 36 | cipher_museum | 0.2 | public | null | null |
tap-code-v2-0040 | .... .... .. ... .. .... .... ... . . . .. ... .... ..... . . ..... . . ... . ... . .... .... ... .... .... .... .. ... .. .... ... ... . ..... ... .... ..... .. ... ... .... ... . ..... ... . .. . . .. . ..... .... .... .... .. .... ..... . ..... . . ..... | .... .... .. ... .. .... .... ... . . . .. ... .... ..... . . ..... . . ... . ... . .... .... ... .... .... .... .. ... .. .... ... ... . ..... ... .... ..... .. ... ... .... ... . ..... ... . .. . . .. . ..... .... .... .... .. .... ..... . ..... . . ..... | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 345 | 582 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0325 | 60 19 05 03 18 05 20 62 07 05 20 20 09 14 07 01 08 05 01 04 09 19 07 05 20 20 09 14 07 19 20 01 18 20 05 04 15 14 05 19 20 05 16 01 20 01 20 09 13 05 07 05 20 19 25 15 21 22 05 18 25 06 01 18 09 14 04 05 05 04 | 60 19 05 03 18 05 20 62 07 05 20 20 09 14 07 01 08 05 01 04 09 19 07 05 20 20 09 14 07 19 20 01 18 20 05 04 15 14 05 19 20 05 16 01 20 01 20 09 13 05 07 05 20 19 25 15 21 22 05 18 25 06 01 18 09 14 04 05 05 04 | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 140 | 209 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0350 | SHSPILYALNBPKHUASLWLBWSLCLYZBUHCLUPYTLPSSLBYLAWSBZQBZALWVBYAVBZSLZOVTTLZSPIYLZ | SHSPILYALNBPKHUASLWLBWSLCLYZBUHCLUPYTLPSSLBYLAWSBZQBZALWVBYAVBZSLZOVTTLZSPIYLZ | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "77777"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-1089 | DS WCQ C OPDEBS ULIR RCY DK CMPDI CKR SBA UILUHQ WAPA QSPDHDKE SBDPSAAK CUPLQQ SBA UDSY | DS WCQ C OPDEBS ULIR RCY DK CMPDI CKR SBA UILUHQ WAPA QSPDHDKE SBDPSAAK CUPLQQ SBA UDSY | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "COURAGE"
} | beginner | en | 71 | 87 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1377 | MCEWRTDRFJBOQSUAVNHELWGVVYRROKOBBFCPTRBFYOAUVSGACIWFVBTPDNZZAWRGEVFCCNLFFBFYHUWENGCFVZSAHEVFGVZUUFHFJCZSEVFUSZNVGBFYRRDKOBBFRUMBHYLFPFVHHHFVZVNZCISNPCLHBGVWOEOKLIFTIVAGVVSCISFMUBR | MCEWRTDRFJBOQSUAVNHELWGVVYRROKOBBFCPTRBFYOAUVSGACIWFVBTPDNZZAWRGEVFCCNLFFBFYHUWENGCFVZSAHEVFGVZUUFHFJCZSEVFUSZNVGBFYRRDKOBBFRUMBHYLFPFVHHHFVZVNZCISNPCLHBGVWOEOKLIFTIVAGVVSCISFMUBR | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "HONOR"
} | intermediate | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
diana-v2-0365 | ZKEJTOTKEQEUDXTNASDKCYEQBNXJLLBXNUMFRZNCCOMHNGEBXWRALYFDGEDOZUEJXOSKUJYSUKYVEZNSNYPAAXDQLLBBDLLLJGGRDBXBLJQELXNCNAMHNATSNHDXNONAXPBKSIRLSARUABNOMHAYRSOKRRNOFLTURZYKMUAHC | ZKEJTOTKEQEUDXTNASDKCYEQBNXJLLBXNUMFRZNCCOMHNGEBXWRALYFDGEDOZUEJXOSKUJYSUKYVEZNSNYPAAXDQLLBBDLLLJGGRDBXBLJQELXNCNAMHNATSNHDXNONAXPBKSIRLSARUABNOMHAYRSOKRRNOFLTURZYKMUAHC | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0070 | WOGKGVALUCCBPBUKUSPCXDPJBRTHPZPCFYVVRSJVBNEMCAVMNZODZPLMMFVUQRQLCTHFZMV | WOGKGVALUCCBPBUKUSPCXDPJBRTHPZPCFYVVRSJVBNEMCAVMNZODZPLMMFVUQRQLCTHFZMV | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0464 | AIYTYKJVTAXMKLQBPQGNCINGRYFMOWWRZTDLWSWKQVMQQCSUBHQWZXQMMSCAYJDWWNOSNHQPZOGGPMT | AIYTYKJVTAXMKLQBPQGNCINGRYFMOWWRZTDLWSWKQVMQQCSUBHQWZXQMMSCAYJDWWNOSNHQPZOGGPMT | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0291 | MNQECPRPLWKTMULFYQVPLRFL | MNQECPRPLWKTMULFYQVPLRFL | TORPEDO AWAY ALL HANDS BRACE | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0356 | CMKEVOIUJK+UCSBCKTMGEIMMZCDFGNLRLCERIPFIAIIDTYGKEOOIMHWRBPNGWLDMGPDADGCL+HWWDOCNEAEYSN | CMKEVOIUJK+UCSBCKTMGEIMMZCDFGNLRLCERIPFIAIIDTYGKEOOIMHWRBPNGWLDMGPDADGCL+HWWDOCNEAEYSN | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0064 | BYRZYXNLDDDIKOIMDYIZSUYSZHJSJBZMDOJBBVOZUFZBCNEKLHDXWQLEMPMVWTTDKQDHIHQIAZ | BYRZYXNLDDDIKOIMDYIZSUYSZHJSJBZMDOJBBVOZUFZBCNEKLHDXWQLEMPMVWTTDKQDHIHQIAZ | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0364 | PSMRYBPPJFNRIXYKECHLYOKTBDFDDKQGSTOABBFFMURVOBYJLNKNZREWAKNZHHZGKXMSKFYTQLKYMBQYGSGHAAVDZGYAAJWYJUEEFRCMDNKBOSKYPJXIGYWKABTSEOAKQIGCZASJILMHAVYIAHMPFBS | PSMRYBPPJFNRIXYKECHLYOKTBDFDDKQGSTOABBFFMURVOBYJLNKNZREWAKNZHHZGKXMSKFYTQLKYMBQYGSGHAAVDZGYAAJWYJUEEFRCMDNKBOSKYPJXIGYWKABTSEOAKQIGCZASJILMHAVYIAHMPFBS | 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 | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
cda-0015529 | 14.22.5 9.44.9 19.25.6 3.40.12 3.35.12 17.13.13 13.27.15 13.11.7 5.3.3 19.37.14 13.28.8 5.22.2 18.8.4 16.1.7 16.29.7 8.8.13 9.20.9 17.5.8 14.32.4 19.5.4 6.36.7 10.21.4 3.17.4 7.24.1 19.18.3 14.27.8 19.14.9 18.31.6 10.29.13 18.45.8 2.45.15 15.38.10 11.2.14 12.8.3 1.49.10 12.19.3 9.22.12 15.14.10 3.36.11 13.5.15 5.41.2 1... | 14.22.5 9.44.9 19.25.6 3.40.12 3.35.12 17.13.13 13.27.15 13.11.7 5.3.3 19.37.14 13.28.8 5.22.2 18.8.4 16.1.7 16.29.7 8.8.13 9.20.9 17.5.8 14.32.4 19.5.4 6.36.7 10.21.4 3.17.4 7.24.1 19.18.3 14.27.8 19.14.9 18.31.6 10.29.13 18.45.8 2.45.15 15.38.10 11.2.14 12.8.3 1.49.10 12.19.3 9.22.12 15.14.10 3.36.11 13.5.15 5.41.2 1... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | book_cipher | book_cipher | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0015330 | 6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 20 8 5 2 5 19 20 12 5 19 19 15 14 19 19 8 15 23 23 8 5 18 5 20 8 5 13 5 20 8 15 4 6 1 9 12 19 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6 | 6 1 9 12 3 12 15 19 5 4 9 19 1 16 15 19 20 21 18 5 14 15 20 1 19 12 15 7 1 14 20 8 5 2 5 19 20 12 5 19 19 15 14 19 19 8 15 23 23 8 5 18 5 20 8 5 13 5 20 8 15 4 6 1 9 12 19 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6 | FAIL CLOSED IS A POSTURE NOT A SLOGAN THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 118 | 118 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0008703 | QELCGBUENCVL ESJNERF COGVSANS OAQ QOESTHY GVVAXNAU OGPOFU SANBRSF PL ESISEFWAU GVR OYCVOPRG | QELCGBUENCVL ESJNERF COGVSANS OAQ QOESTHY GVVAXNAU OGPOFU SANBRSF PL ESISEFWAU GVR OYCVOPRG | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ATBASH ENCODES BY REVERSING THE ALPHABET | porta | porta | null | {
"key": "PATTERN"
} | hard | en | 80 | 80 | synthetic_educational | null | null | [] | |
slidex-v3-0197 | MHCQNDSSILUWZTSSJKXFILCKVNYRHDIQSSCUHMYGYTHIURUCCUMZOVECLUARWWOCEZUCYTRNMHFTWFOCGRMESAXQSCMQSGASWSHTXBHMKZLRAOASOQLKJKARWSEHFCSSILSAUCPTVNPTIOAIEZYASSNACCCJMQLGARXAHTILUP | MHCQNDSSILUWZTSSJKXFILCKVNYRHDIQSSCUHMYGYTHIURUCCUMZOVECLUARWWOCEZUCYTRNMHFTWFOCGRMESAXQSCMQSGASWSHTXBHMKZLRAOASOQLKJKARWSEHFCSSILSAUCPTVNPTIOAIEZYASSNACCCJMQLGARXAHTILUP | 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 | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 170 | 170 | cipher_museum | 2.0 | public | null | null |
hill-v3-0028 | BCEPDETSTGKRMSUUGSOXSYJIZWNJ | BCEPDETSTGKRMSUUGSOXSYJIZWNJ | DONT FIRE TILL YOU SEE THE WHITES | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
cda-0015375 | ⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a19⟩ ⟨a01⟩ ⟨w32⟩ ⟨w04⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w... | ⟨w26⟩ ⟨w10⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a17⟩ ⟨w28⟩ ⟨w14⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨w20⟩ ⟨a37⟩ ⟨a13⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a19⟩ ⟨a01⟩ ⟨w32⟩ ⟨w04⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w... | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | babington | babington | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
copiale-v2-0004 | P3 O4 C3 K7 G7 A9 M9 C9 C4 H7 O5 J9 L6 C0 | P3 O4 C3 K7 G7 A9 M9 C9 C4 H7 O5 J9 L6 C0 | STORM THE BREACH | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 28 | 41 | cipher_museum | 2.0 | public | null | null |
typex-v2-0304 | DJWXLJFWDEMMVSPGBUWAYKVEGKFSZLEKLYVOHLQBFKUKQVGVIMVOWWPODCDNVKANZGOOHLYX | DJWXLJFWDEMMVSPGBUWAYKVEGKFSZLEKLYVOHLQBFKUKQVGVIMVOWWPODCDNVKANZGOOHLYX | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
diana-v2-0070 | BGZNXYKWWGJNENJLAAFMWCLKNZFPBZRHZTLKNZTOLDMLNVTRZRTOLRQMSCSTPTNUDNAXZSN | BGZNXYKWWGJNENJLAAFMWCLKNZFPBZRHZTLKNZTOLDMLNVTRZRTOLRQMSCSTPTNUDNAXZSN | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0330 | VENONATAVEBKGARGBSNUTFROUSSOVIGUPKDOTSHAFNDOGURATEGIHEPUGHFUUGDWELSOGSHEUSEQVETOTFQU | VENONATAVEBKGARGBSNUTFROUSSOVIGUPKDOTSHAFNDOGURATEGIHEPUGHFUUGDWELSOGSHEUSEQVETOTFQU | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0018312 | 16.3.6 10.3.4 20.6.6 14.3.6 7.1.5 11.6.7 9.5.5 1.6.6 12.6.5 16.6.9 1.4.9 4.2.2 11.3.9 10.1.1 9.3.8 12.5.1 5.2.7 2.6.8 3.5.6 19.5.9 1.3.1 13.2.9 17.3.6 6.5.8 7.5.3 9.1.1 4.4.1 10.6.2 7.6.1 19.3.6 8.2.9 3.1.4 6.2.10 12.2.2 7.3.9 15.5.3 1.2.8 1.5.7 16.1.5 15.3.5 10.6.1 9.3.5 16.4.7 18.6.7 9.2.1 5.6.9 11.5.2 20.1.9 20.1.10... | 16.3.6 10.3.4 20.6.6 14.3.6 7.1.5 11.6.7 9.5.5 1.6.6 12.6.5 16.6.9 1.4.9 4.2.2 11.3.9 10.1.1 9.3.8 12.5.1 5.2.7 2.6.8 3.5.6 19.5.9 1.3.1 13.2.9 17.3.6 6.5.8 7.5.3 9.1.1 4.4.1 10.6.2 7.6.1 19.3.6 8.2.9 3.1.4 6.2.10 12.2.2 7.3.9 15.5.3 1.2.8 1.5.7 16.1.5 15.3.5 10.6.1 9.3.5 16.4.7 18.6.7 9.2.1 5.6.9 11.5.2 20.1.9 20.1.10... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | arnold_andre | arnold_andre | null | {} | hard | en | 194 | 194 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
jefferson-disk-v2-0086 | SIIGZKWVFUDQGZZUTSGHIIUXSYLAUTAYRTUKSELZDQVPXXUGYYFZFJITTDKILKQUNQKYCZWPUIIOQQC | SIIGZKWVFUDQGZZUTSGHIIUXSYLAUTAYRTUKSELZDQVPXXUGYYFZFJITTDKILKQUNQKYCZWPUIIOQQC | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0022 | LQDQLMIVLKWVYCMZ | LQDQLMIVLKWVYCMZ | DIVIDE AND CONQUER | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0072 | EPDQDOTQQTITOKQDPJDSSQJTHQTENJCBRKCKKASQJSCQHTLPKQNJSGSUKITONHHSTQERK | EPDQDOTQQTITOKQDPJDSSQJTHQTENJCBRKCKKASQJSCQHTLPKQNJSGSUKITONHHSTQERK | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
rail-fence-it-005 | TIUNSOEDANNEIUTGIOIIACNLBREEULIDGIADRTITLMNOIIGIITIT | TIUNSOEDANNEIUTGIOIIACNLBREEULIDGIADRTITLMNOIIGIITIT | TUTTI GLI UOMINI NASCONO LIBERI ED EGUALI IN DIGNITA E DIRITTI | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 3
} | intermediate | it | 52 | 52 | cipher_museum | 0.2 | public | null | null |
nihilist-v3-0090 | 66 25 88 86 25 46 55 56 59 57 26 46 45 27 78 58 28 38 63 47 77 65 26 30 65 26 69 57 28 69 32 24 86 76 37 27 72 27 88 69 28 27 34 25 75 59 56 27 55 27 78 79 55 48 56 57 87 56 35 66 33 46 88 56 37 30 52 46 96 79 55 28 43 64 56 86 57 67 56 33 98 86 28 66 36 24 57 75 47 39 45 27 86 77 25 49 52 46 88 59 47 59 52 47 78 87 34... | 66 25 88 86 25 46 55 56 59 57 26 46 45 27 78 58 28 38 63 47 77 65 26 30 65 26 69 57 28 69 32 24 86 76 37 27 72 27 88 69 28 27 34 25 75 59 56 27 55 27 78 79 55 48 56 57 87 56 35 66 33 46 88 56 37 30 52 46 96 79 55 28 43 64 56 86 57 67 56 33 98 86 28 66 36 24 57 75 47 39 45 27 86 77 25 49 52 46 88 59 47 59 52 47 78 87 34... | ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS | nihilist | nihilist | fractionation | {
"polybius": "PALACE",
"keyword": "BATTLE"
} | advanced | en | 330 | 494 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-335 | GL WCP TFR KMPCJ GQ TM TFR NFYQGECJ CQ TFPRR GQ TM MLR | GL WCP TFR KMPCJ GQ TM TFR NFYQGECJ CQ TFPRR GQ TM MLR | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "CAESAR"
} | beginner | en | 42 | 54 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0180 | HQUSXNGPTXOVENLYPCWVFGSBYOFUHPWBMQCLJFISRWVLMPMLWBOJVEUXDKPOXDOETTKMTFJWVN | HQUSXNGPTXOVENLYPCWVFGSBYOFUHPWBMQCLJFISRWVLMPMLWBOJVEUXDKPOXDOETTKMTFJWVN | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DEF"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-1208 | HMGMNTE KTQQJG EMU QAM QABNU TNFY BG T UTNBGH OWMMK TINJOO PNTGIM PJEEJWBGH QAM RNMTDJSQ | HMGMNTE KTQQJG EMU QAM QABNU TNFY BG T UTNBGH OWMMK TINJOO PNTGIM PJEEJWBGH QAM RNMTDJSQ | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "TRIUMPH"
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
hill-v3-0420 | WVZLKMAIPMVBNNGNSIBW | WVZLKMAIPMVBNNGNSIBW | THE LEGIONS STAND READY | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0363 | TPEENIGMAMACHINEHADANASTRONOMISALNUMBEROFPOSSIBLESETTIFGSMAKINGITSEEMUNBREAKABLE | TPEENIGMAMACHINEHADANASTRONOMISALNUMBEROFPOSSIBLESETTIFGSMAKINGITSEEMUNBREAKABLE | THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
hill-072 | EIOBLXQWAKVOFQVD | EIOBLXQWAKVOFQVD | CIPHER KEY CHANGED | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0324 | TPEPRINTINGPRESSCHANGESALL | TPEPRINTINGPRESSCHANGESALL | THE PRINTING PRESS CHANGES ALL | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
diana-v3-0553 | LUFJEYBVGPIE | LUFJEYBVGPIE | YANKEE DOODLE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0018839 | QOTE DYYK CHEO LCHE DYQO KEED YCHO LOKE DYOT EDYQ OKEE DYDA RALS HAII NSHE OLOK ALOT EDYY TAII N | QOTE DYYK CHEO LCHE DYQO KEED YCHO LOKE DYOT EDYQ OKEE DYDA RALS HAII NSHE OLOK ALOT EDYY TAII N | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | voynich_render | voynich_render | null | {} | medium | en | 77 | 77 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
m94-v3-0093 | UJXNGZPOPTDDEEPKBQ | UJXNGZPOPTDDEEPKBQ | CROSS THE RUBICON NOW | m94 | m94 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0085 | FSGTYJTJGJXLXLGXIVPIFJEQQSHFHDGYZOICMPDGOXDCWMNZNPYOPFCUJFXTWAOZRGSCYEWGAGEPFSEYV | FSGTYJTJGJXLXLGXIVPIFJEQQSHFHDGYZOICMPDGOXDCWMNZNPYOPFCUJFXTWAOZRGSCYEWGAGEPFSEYV | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ABCDEFGH (repeating)"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0214 | ODRZALUDNXBQCPOX | ODRZALUDNXBQCPOX | THE WIND IS WITH US | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0663 | TEVOUIJORCNQL | TEVOUIJORCNQL | ANNUIT COEPTIS | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
vic-v2-0097 | 4280483469148090918091648090489899258361868091894869082898090901580229285683938328083866838783918780899119148589185486485 | 4280483469148090918091648090489899258361868091894869082898090901580229285683938328083866838783918780899119148589185486485 | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 121 | 121 | cipher_museum | 2.0 | public | null | null |
cda-0014305 | turns holds exact flank opens until raids stage quiet upper above roads enter could intel parts hence extra radio upper shore enter seeks track where | turns holds exact flank opens until raids stage quiet upper above roads enter could intel parts hence extra radio upper shore enter seeks track where | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0019040 | 20.32.6 17.46.2 17.28.10 2.21.12 14.17.12 12.30.14 18.9.13 10.5.3 3.27.13 14.22.2 6.29.1 3.35.1 16.34.13 17.1.4 8.17.15 12.22.14 6.11.6 4.34.6 12.41.7 13.42.14 17.22.12 3.46.5 14.5.3 10.1.4 8.16.13 15.33.10 13.44.13 12.10.8 11.35.1 7.39.8 14.13.13 18.15.4 6.33.12 7.30.2 19.11.11 13.7.7 17.27.15 11.21.5 18.33.1 13.40.8 ... | 20.32.6 17.46.2 17.28.10 2.21.12 14.17.12 12.30.14 18.9.13 10.5.3 3.27.13 14.22.2 6.29.1 3.35.1 16.34.13 17.1.4 8.17.15 12.22.14 6.11.6 4.34.6 12.41.7 13.42.14 17.22.12 3.46.5 14.5.3 10.1.4 8.16.13 15.33.10 13.44.13 12.10.8 11.35.1 7.39.8 14.13.13 18.15.4 6.33.12 7.30.2 19.11.11 13.7.7 17.27.15 11.21.5 18.33.1 13.40.8 ... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | book_cipher | book_cipher | null | {} | hard | en | 128 | 128 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
bazeries-v3-0484 | HMPHAQBGRLYHQPBQAEBQGSHAMPHQFJJBGYHHAQKBQBHUBKSHKBHHPOYKBHQPQPKLJHQYHQFOPBA | HMPHAQBGRLYHQPBQAEBQGSHAMPHQFJJBGYHHAQKBQBHUBKSHKBHHPOYKBHQPQPKLJHQYHQFOPBA | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
affine-v3-0532 | BIQC XQFJ | BIQC XQFJ | DEUS VULT | affine | affine | substitution | {
"a": 7,
"b": 6
} | beginner | en | 8 | 9 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0659 | PBPWAWNWYGNBP | PBPWAWNWYGNBP | THE APPLE FALLS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "STU"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0089 | DVOOIMSTAZSIQTISTHZKAVXELLJRJSVHGEKKMQCTCCPFQCMVSCRDFAVGKDTJQULTAVUGIIFYAFMMFOGL | DVOOIMSTAZSIQTISTHZKAVXELLJRJSVHGEKKMQCTCCPFQCMVSCRDFAVGKDTJQULTAVUGIIFYAFMMFOGL | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
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