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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
double-transposition-v3-0298 | SAASRCSXHYRIORHAOLTOXTOESACTDENBOTUTPCHASHRHEONIPSIHNWENCEUSHADFODNROLICTTFANI | SAASRCSXHYRIORHAOLTOXTOESACTDENBOTUTPCHASHRHEONIPSIHNWENCEUSHADFODNROLICTTFANI | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | double_transposition | double_transposition | transposition | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
enigma-027 | OPCFEWIBKONE | OPCFEWIBKONE | THE TRAP IS SET | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAA"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0018240 | HJQPGYVQOBIVWLEHGPYTMZORPUNCWXOPDMTDBZJDLBWYZPSEYHZDTRRSLLRQGCUDNLDXROHYDIVQUHTVENSPFIIPNAFIQNZGISXHIRZMIVKSSBBCKAKFNBPGWLYOMHMRFCCUEWOYHGLDGVAOAMQMNIFVVRKFHNJPDVAWCJEGJCKAUGXQSROOKWKUMY | HJQPGYVQOBIVWLEHGPYTMZORPUNCWXOPDMTDBZJDLBWYZPSEYHZDTRRSLLRQGCUDNLDXROHYDIVQUHTVENSPFIIPNAFIQNZGISXHIRZMIVKSSBBCKAKFNBPGWLYOMHMRFCCUEWOYHGLDGVAOAMQMNIFVVRKFHNJPDVAWCJEGJCKAUGXQSROOKWKUMY | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER ATBASH ENCODES BY REVERSING THE ALPHABET DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | one_time_pad | one_time_pad | null | {} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
wheatstone-083 | TBEGDLADSHECH | TBEGDLADSHECH | THE KING IS DEAD | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
trithemius-v2-0051 | RJEKQTTK PJC QMYZTD FMK ZJNZCR HBXH ISZLZNN ETR QXJP JXMDOQYMCF KV ISJLL RXQAEA IXV HKYNEACMT | RJEKQTTK PJC QMYZTD FMK ZJNZCR HBXH ISZLZNN ETR QXJP JXMDOQYMCF KV ISJLL RXQAEA IXV HKYNEACMT | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 79 | 93 | cipher_museum | 2.0 | public | null | null |
cda-0015643 | FRIED MANES TIMAT EDKEX LENGT HFROM STATX STICZ ASCYT ALEIS ARODX SEDBX SPART ANSTO ENCRY PTMES SAGEX ATBAS HENCX DESBY REVER SINGT HEALP HABET THEFX IEDMX NTEST USEST HEIND EXOFX OINCX DENCE TOEST IMATZ KEYLE NGTHZ OMORR OWXZZ | FRIED MANES TIMAT EDKEX LENGT HFROM STATX STICZ ASCYT ALEIS ARODX SEDBX SPART ANSTO ENCRY PTMES SAGEX ATBAS HENCX DESBY REVER SINGT HEALP HABET THEFX IEDMX NTEST USEST HEIND EXOFX OINCX DENCE TOEST IMATZ KEYLE NGTHZ OMORR OWXZZ | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES ATBASH ENCODES BY REVERSING THE ALPHABET THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH TOMORROW | commercial_code | commercial_code | null | {} | hard | en | 190 | 190 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
adfgvx-v3-0366 | DFDXGDAFGVGXAVAAGXAFVXDAVDGFAGGDAXADAFDADADAGDDFGFGAGAXDFFVFVAFAVDXDFDVAFAVADAAAFGAGDFVDAAAGVDGFGVGXDADDAGDXDGFDAVAFDXDGDFAVDVDFAVDVAXGF | DFDXGDAFGVGXAVAAGXAFVXDAVDGFAGGDAXADAFDADADAGDDFGFGAGAXDFFVFVAFAVDXDFDVAFAVADAAAFGAGDFVDAAAGVDGFGVGXDADDAGDXDGFDAVAFDXDGDFAVDVDFAVDVAXGF | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0228 | JAWTCBZMYNBL | JAWTCBZMYNBL | GOLD FROM LEAD | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0174 | 55 57 55 46 40 56 80 76 60 47 37 36 53 70 54 49 28 55 67 53 58 84 30 28 59 68 56 59 52 27 55 46 48 83 49 76 36 37 27 36 54 80 64 50 28 55 46 84 66 46 29 25 26 57 54 77 72 57 29 57 40 84 68 43 28 26 35 37 83 67 52 48 28 45 40 56 49 45 69 28 29 49 54 80 45 | 55 57 55 46 40 56 80 76 60 47 37 36 53 70 54 49 28 55 67 53 58 84 30 28 59 68 56 59 52 27 55 46 48 83 49 76 36 37 27 36 54 80 64 50 28 55 46 84 66 46 29 25 26 57 54 77 72 57 29 57 40 84 68 43 28 26 35 37 83 67 52 48 28 45 40 56 49 45 69 28 29 49 54 80 45 | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 170 | 254 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0409 | BLPVYSAFKSQK | BLPVYSAFKSQK | VENI VIDI VICI | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
great-cipher-027 | 164 152 147 139 170 168 177 131 147 | 164 152 147 139 170 168 177 131 147 | THE TRAP IS SET | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "LOUIS"
} | expert | en | 27 | 35 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v2-0372 | VZTPXNSCJNMCSDOAUHERISEQSVGXIHWYAUHDVUCMCJBRIIVDWCLXFSCAXVGALYESJYZERMUDOHOJYASNCOMKNBAWFHAQGUNIVWPDMDGKNBSPCSXCGWUKTBRZXMRQSKPQGBYBLAGLSQLTGSGJGBXYRGHYGPVAQYUZHDYVHVGXZGECSDTGQZEGG | VZTPXNSCJNMCSDOAUHERISEQSVGXIHWYAUHDVUCMCJBRIIVDWCLXFSCAXVGALYESJYZERMUDOHOJYASNCOMKNBAWFHAQGUNIVWPDMDGKNBSPCSXCGWUKTBRZXMRQSKPQGBYBLAGLSQLTGSGJGBXYRGHYGPVAQYUZHDYVHVGXZGECSDTGQZEGG | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0035 | HEAAPLPLEFTLS | HEAAPLPLEFTLS | THE APPLE FALLS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0019843 | SETZP VTGVZ UQPIY GDEFY QQLDR SZSPM GDTXJ UJFSR CCQMH EXCTL WXENZ AMRRN YPDEP LGBGN JRZKI KIAHX HMUWA ETO | SETZP VTGVZ UQPIY GDEFY QQLDR SZSPM GDTXJ UJFSR CCQMH EXCTL WXENZ AMRRN YPDEP LGBGN JRZKI KIAHX HMUWA ETO | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | vernam | vernam | null | {} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
confederate-vigenere-v3-0231 | ICITWDQIILHIA | ICITWDQIILHIA | FULL SAIL AHEAD | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
hill-v3-0215 | GWVACTFFKQTQJG | GWVACTFFKQTQJG | MARCH TO VICTORY | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0020510 | 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 3 5 18 20 1 9 14 12 25 | 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 19 9 14 7 20 8 5 1 12 16 8 1 2 5 20 1 13 15 4 5 12 3 1 14 3 12 1 19 19 9 6 25 16 1 20 20 5 18 14 19 2 21 20 9 20 3 1 14 1 12 19 15 2 5 23 18 15 14 7 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 3 5 18 20 1 9 14 12 25 | ATBASH ENCODES BY REVERSING THE ALPHABET A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG A STRONG CLAIM NEEDS STRONG EVIDENCE CERTAINLY | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 119 | 119 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
solitaire-v2-0358 | BRNXWFBSEMSHNCCEHEYPDJDJUWICJMFLBGXVLDEWNHRXOHQJJTBGEFDUUAHVIGTBDDPUCLBDBSRDUTTLE | BRNXWFBSEMSHNCCEHEYPDJDJUWICJMFLBGXVLDEWNHRXOHQJJTBGEFDUUAHVIGTBDDPUCLBDBSRDUTTLE | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0097 | 90 55 61 56 91 90 60 42 63 82 91 90 89 49 53 91 90 22 42 21 91 90 33 24 91 90 89 34 54 91 90 52 42 63 82 91 90 81 85 21 91 90 10 23 89 25 91 90 43 61 87 60 55 91 90 52 42 26 56 91 90 10 23 54 91 90 60 89 53 82 91 90 55 61 86 91 90 39 42 21 91 90 45 28 10 23 91 90 81 52 60 91 90 55 61 33 34 56 91 90 23 54 87 63 10 91 90... | 90 55 61 56 91 90 60 42 63 82 91 90 89 49 53 91 90 22 42 21 91 90 33 24 91 90 89 34 54 91 90 52 42 63 82 91 90 81 85 21 91 90 10 23 89 25 91 90 43 61 87 60 55 91 90 52 42 26 56 91 90 10 23 54 91 90 60 89 53 82 91 90 55 61 86 91 90 39 42 21 91 90 45 28 10 23 91 90 81 52 60 91 90 55 61 33 34 56 91 90 23 54 87 63 10 91 90... | 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 | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 490 | 734 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0487 | GDAVFAAGDFGADGAFDDADAFDVFGDFFFAVAGDFGFGXGXGFVADDDDDVDFDGGDGFADDFAVDFFFFFGVFGAVDDAVDDAFGDGAFAFVVDGGDDXDADXAFAGDXDFAAGAAFAVGDFGGVADADAGDFAAFXGXFAVDFGDGVDXGDDFAGADAADFFFADGFGFDVDDDXDVAXAVDFDADFDFAFGFGFDDGFDXAFAFGGAVDDDVDADFFVDDGVADDAAGFFGVDFADADGDAFAAFXAXFXGADADXAFAFAGGFAFGFDDDXAVAVDDFADDFGXAVDAGVDDAFDGGAFFAXGADADDAAGDDAA... | GDAVFAAGDFGADGAFDDADAFDVFGDFFFAVAGDFGFGXGXGFVADDDDDVDFDGGDGFADDFAVDFFFFFGVFGAVDDAVDDAFGDGAFAFVVDGGDDXDADXAFAGDXDFAAGAAFAVGDFGGVADADAGDFAAFXGXFAVDFGDGVDXGDDFAGADAADFFFADGFGFDVDDDXDVAXAVDFDADFDFAFGFGFDDGFDXAFAFGGAVDDDVDADFFVDDGVADDAAGFFGVDFADADGDAFAAFXAXFXGADADXAFAFAGGFAFGFDDDXAVAVDDFADDFGXAVDAGVDDAFDGGAFFAXGADADDAAGDDAA... | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 328 | 328 | cipher_museum | 2.0 | public | null | null |
diana-v3-0008 | YTJOAERHJDAPAWJO | YTJOAERHJDAPAWJO | THE SENATE DECREES | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0172 | VJGURGGFQHNKIJVKUVJGWNVKOCVGURGGFNKOKVKPVJGWPKXGTUGGKPUVGKPFGOQPUVTCVGFVJKU | VJGURGGFQHNKIJVKUVJGWNVKOCVGURGGFNKOKVKPVJGWPKXGTUGGKPUVGKPFGOQPUVTCVGFVJKU | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "22222"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0011146 | GUS VARRK BS NBVAQVQSAQS VF O HFSSHY PYHR | GUS VARRK BS NBVAQVQSAQS VF O HFSSHY PYHR | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | porta | porta | null | {
"key": "CIPHER"
} | medium | en | 34 | 34 | synthetic_educational | null | null | [] | |
sigaba-150 | LOIGNXYGQPJ | LOIGNXYGQPJ | RALLY AT DAWN | sigaba | sigaba | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
playfair-v3-0840 | ADLFXRPCGUFQKMQLFDBFRGZY | ADLFXRPCGUFQKMQLFDBFRGZY | ROME WAS NOT BUILT IN ONE DAY | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0019568 | XYVP VUHC VWUH VGFH BZZL XVGM PSZE KLTX SDIX WGAE MXGL PGMJ SFQK ASIO ALVM GKIJ SYJC LSCQ OWGJ IJWS NDIX MZPD MLGH KDPP | XYVP VUHC VWUH VGFH BZZL XVGM PSZE KLTX SDIX WGAE MXGL PGMJ SFQK ASIO ALVM GKIJ SYJC LSCQ OWGJ IJWS NDIX MZPD MLGH KDPP | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE INDEX OF COINCIDENCE IS A USEFUL CLUE SLOWLY | running_key | running_key | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
trifid-v3-0165 | FGIHOFSVYOFIRIAKNMWICJDAUAMOHIFDQWMFDTJVFACXVTAFITTNKZINTIOUFGOJVOUHZGMOEHOS | FGIHOFSVYOFIRIAKNMWICJDAUAMOHIFDQWMFDTJVFACXVTAFITTNKZINTIOUFGOJVOUHZGMOEHOS | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0197 | HMAMBUSOMZXUFWUUZLVNGWMDZYALRMFLUZCUHDTCVUXBTVMVCUMPXESCBEAQUIJYCKHYVURFJXRNTUUTYMQPYHWMMBLUUYXMICSKHSXYLYKKUBVPSQALWIJXEKOVTIUUTNYMPYXBZYYLZMQLNMUREAXQSPWYBLVWJXDVYDVBW | HMAMBUSOMZXUFWUUZLVNGWMDZYALRMFLUZCUHDTCVUXBTVMVCUMPXESCBEAQUIJYCKHYVURFJXRNTUUTYMQPYHWMMBLUUYXMICSKHSXYLYKKUBVPSQALWIJXEKOVTIUUTNYMPYXBZYYLZMQLNMUREAXQSPWYBLVWJXDVYDVBW | 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 | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0394 | HBLIJTASAEFSEMDAGWTVNVWNGTTNIAEOAVINBBIMIAENPFTEEFSELBBWNDTATEEJSWPBLDTIDWNFSVEENBBINFURAIAUGNTBDSSA | HBLIJTASAEFSEMDAGWTVNVWNGTTNIAEOAVINBBIMIAENPFTEEFSELBBWNDTATEEJSWPBLDTIDWNFSVEENBBINFURAIAUGNTBDSSA | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 100 | 100 | cipher_museum | 2.0 | public | null | null |
cda-0007783 | FINTEFUBRMGILYTEIATSCPIWETHTAATRDEFINTCOMDRCCTANAKOSLENGNEMAARAXEYSMSNLXSLTOSSSXTEADIBOX | FINTEFUBRMGILYTEIATSCPIWETHTAATRDEFINTCOMDRCCTANAKOSLENGNEMAARAXEYSMSNLXSLTOSSSXTEADIBOX | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | scytale | scytale | null | {
"cols": 11
} | hard | en | 88 | 88 | synthetic_educational | null | null | [] | |
cda-0014284 | ALANT URING BROKE ENIGM AWITH CRIBS ANDTH EBOMB EMACH INEPU BLICI NFRAS TRUCX UREDE SERVE SCARX FULDX SIGNA | ALANT URING BROKE ENIGM AWITH CRIBS ANDTH EBOMB EMACH INEPU BLICI NFRAS TRUCX UREDE SERVE SCARX FULDX SIGNA | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | commercial_code | commercial_code | null | {} | hard | en | 90 | 90 | 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-0016955 | ⟨w14⟩ ⟨w08⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a23⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ | ⟨w14⟩ ⟨w08⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a23⟩ ⟨a25⟩ ⟨w20⟩ ⟨a17⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨a11⟩ ⟨w40⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w20⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | babington | babington | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
jefferson-disk-001 | ZDGKOFZDSKRR | ZDGKOFZDSKRR | ATTACK AT DAWN | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "3,1,5,2,4,6"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
typex-v2-0446 | XBVIZATRDJMZDZQIPFUFDSFCNDAVGFBPEWMSRASKEJFHCAFQLUSGONKEQJXAPLZDWNMFCOHAGHNG | XBVIZATRDJMZDZQIPFUFDSFCNDAVGFBPEWMSRASKEJFHCAFQLUSGONKEQJXAPLZDWNMFCOHAGHNG | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
typex-v2-0188 | ONKHXENVVZRYRRGATKMAJWLAKEBWYUPHSPLYQMUWCZYBJTBDQRDTKZGRALKWAMLMRBAYXDODYNLFQ | ONKHXENVVZRYRRGATKMAJWLAKEBWYUPHSPLYQMUWCZYBJTBDQRDTKZGRALKWAMLMRBAYXDODYNLFQ | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | typex | typex | machine | {
"type": "keyword",
"value": "BRITAIN"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0019475 | ┐· L L ┌· ┌· L K· Γ· L ⌒ ⌐ ─ Γ ┌· L ┐· ┌· ┘· Γ X· r Γ· ¬ Γ· └ Γ· K ⌒· ┌ ⌐ K K L ┌· Γ· ─ ┌· L X L ⌐ ┌· r r· K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· | ┐· L L ┌· ┌· L K· Γ· L ⌒ ⌐ ─ Γ ┌· L ┐· ┌· ┘· Γ X· r Γ· ¬ Γ· └ Γ· K ⌒· ┌ ⌐ K K L ┌· Γ· ─ ┌· L X L ⌐ ┌· r r· K r· L L ─ Γ· ¬· ┌ ⌐ ┌ ⌐ r r· Γ· ─ L X· X L Γ ┌· ┘· K ┘· ┌· X K ┘· r ┌· L ⌐ K L ⌐ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | pigpen | pigpen | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
bifid-v3-0516 | RDGFRHTBLTLHRRNDPACXM | RDGFRHTBLTLHRRNDPACXM | THE TELEGRAPH TRANSMITS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0376 | FTUVRBLNPECIORGGPOMXMIGHIVFUYIFWPDFHHIVPBTRHTMXYAGVNNLUCBEDNHIVMFWPCTXRWFFPTRMIDBXVVRMFQAVZWKCAUEEXTOGGHNMTAEELSVQNQIZEKBTYPVPMPKIAMRRQTTKIHVCCJFRMQHHISYTALOFGLEVWX | FTUVRBLNPECIORGGPOMXMIGHIVFUYIFWPDFHHIVPBTRHTMXYAGVNNLUCBEDNHIVMFWPCTXRWFFPTRMIDBXVVRMFQAVZWKCAUEEXTOGGHNMTAEELSVQNQIZEKBTYPVPMPKIAMRRQTTKIHVCCJFRMQHHISYTALOFGLEVWX | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0012453 | --. .-. --- -. ... ..-. . .-.. -.. / ..- ... . ... / .- / -.. .. --. .. - / ... . --.- ..- . -. -.-. . / .- ... / - .... . / .-. . .--. . .- - .. -. --. / -.- . -.-- / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - ... | --. .-. --- -. ... ..-. . .-.. -.. / ..- ... . ... / .- / -.. .. --. .. - / ... . --.- ..- . -. -.-. . / .- ... / - .... . / .-. . .--. . .- - .. -. --. / -.- . -.-- / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / - ... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY SLOWLY | morse_code | morse_code | null | {} | hard | en | 200 | 200 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
scytale-252 | CHKCNDIEEHGXPRYAEX | CHKCNDIEEHGXPRYAEX | CIPHER KEY CHANGED | scytale | scytale | transposition | {
"type": "integer",
"value": 6
} | intermediate | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0003240 | AGVL ECZM NTQL SHJN ATQK UASR AKWM FFOZ WQZP FVFQ FAAK MAAA WKVM EGPW GQWX AKWA ZMDC JLLF EJNW HBSO ULOC USZN PBAK CPRC DODS EGTO CPLT GKUW QBNN VLKA NVFQ F | AGVL ECZM NTQL SHJN ATQK UASR AKWM FFOZ WQZP FVFQ FAAK MAAA WKVM EGPW GQWX AKWA ZMDC JLLF EJNW HBSO ULOC USZN PBAK CPRC DODS EGTO CPLT GKUW QBNN VLKA NVFQ F | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | beaufort | beaufort | null | {
"key": "HONEST"
} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
vernam-029 | IAEUOELBSIXIKEUH | IAEUOELBSIXIKEUH | LOCK DOWN ALL GATES | vernam | vernam | stream | {
"type": "pad",
"value": "XMCKLQPOS (repeating)"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
lorenz-237 | THEEQGLEHASLANLED | THEEQGLEHASLANLED | THE EAGLE HAS LANDED | lorenz | lorenz | machine | {
"type": "seed",
"value": "ENIGMA"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v3-0314 | UOKPP QAD OSHBUKJ JKW | UOKPP QAD OSHBUKJ JKW | CROSS THE RUBICON NOW | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "THUNDER"
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
argenti-023 | 68 54 83 15 30 14 62 74 46 64 32 66 42 | 68 54 83 15 30 14 62 74 46 64 32 66 42 | THE KING IS DEAD | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ARGENTI"
} | expert | en | 26 | 38 | cipher_museum | 0.2 | public | null | null |
adfgvx-v2-0188 | AVFAADAXFGAGAXDGGVDDDVFXGFFGDVDAFAAXFGDGAXGGAAFFAADFDAFFDGVADAFAXAAAAAGVFAGXDXAGAVGXGFAXAGDGAFAXAGAGDVAVAGGAAFGDGAGGAAVFGAGFXFFAAADGXFDGADAFXFDFAFDAAGFAAA | AVFAADAXFGAGAXDGGVDDDVFXGFFGDVDAFAAXFGDGAXGGAAFFAADFDAFFDGVADAFAXAAAAAGVFAGXDXAGAVGXGFAXAGDGAFAXAGAGDVAVAGGAAFGDGAGGAAVFGAGFXFFAAADGXFDGADAFXFDFAFDAAGFAAA | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
cda-0013031 | YPCHO LCHOL DAIIN YPCHO LQOTE DYCHO LCHOL DAIIN CHEOL OTAII NCHOR SHORO TEDYO TEDYO RORSH EOLYT EDYSH EEDYO RORQO KEEDY OTAIN SHAII NOTED YCHED ALQOK ALKAI IINSH ARALS HORCH OLQOK EEDYD ARALC HOLQO KEDYC HEDYO TAIIN YKCHE OLSHA LQOKE EDYOT OLOKA INQOK ALSHE OLKAI IINYP CHOLO KALRC HEOLD AINYC HORRC HEOLC HOLDA IINSH ED... | YPCHO LCHOL DAIIN YPCHO LQOTE DYCHO LCHOL DAIIN CHEOL OTAII NCHOR SHORO TEDYO TEDYO RORSH EOLYT EDYSH EEDYO RORQO KEEDY OTAIN SHAII NOTED YCHED ALQOK ALKAI IINSH ARALS HORCH OLQOK EEDYD ARALC HOLQO KEDYC HEDYO TAIIN YKCHE OLSHA LQOKE EDYOT OLOKA INQOK ALSHE OLKAI IINYP CHOLO KALRC HEOLD AINYC HORRC HEOLC HOLDA IINSH ED... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | voynich_render | voynich_render | null | {} | hard | en | 364 | 364 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
gronsfeld-v3-0726 | UIGPFOICWYBORUTKFEWGSPWJMUUQJJUIGUYIFIUJBUGVYTDKHSUJHLHNJPGXPGVKJUXGQYJFVKHFOVXWZJPDWBDGWTCVKOIUIGDYPNKFGPNDEJGPTHSBAKJJSNCQDDPWOIEPURYIFGIKPSVFMBOIHIUIGZTSMFITSFXHW | UIGPFOICWYBORUTKFEWGSPWJMUUQJJUIGUYIFIUJBUGVYTDKHSUJHLHNJPGXPGVKJUXGQYJFVKHFOVXWZJPDWBDGWTCVKOIUIGDYPNKFGPNDEJGPTHSBAKJJSNCQDDPWOIEPURYIFGIKPSVFMBOIHIUIGZTSMFITSFXHW | THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11235"
} | intermediate | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0605 | UARIENTHDELSHDHBERETSUTEZETNANLESUTBIALCULEWSUZUDHMSDLDTSZTRRCMTELESWNECNZRUN | UARIENTHDELSHDHBERETSUTEZETNANLESUTBIALCULEWSUZUDHMSDLDTSZTRRCMTELESWNECNZRUN | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0010470 | OOPIPCDGNATSIAOIEYCELPESNAMRSOLNXXTTDTTETDANSLEIAAREOHXXEODIISONLOUOTNUNBULIXXRSCUTREVWRCIENEYTAELXXIXTIISTRNETDIRUNOIPMXXILONANOFEO | OOPIPCDGNATSIAOIEYCELPESNAMRSOLNXXTTDTTETDANSLEIAAREOHXXEODIISONLOUOTNUNBULIXXRSCUTREVWRCIENEYTAELXXIXTIISTRNETDIRUNOIPMXXILONANOFEO | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | stager_route | stager_route | null | {
"cols": 12
} | hard | en | 132 | 132 | synthetic_educational | null | null | [] | |
cda-0016119 | 52 76 32 67 39 22 68 58 2 99 11 63 72 43 93 60 66 26 70 82 63 63 30 59 33 11 87 45 39 32 4 15 82 3 48 15 87 58 41 63 91 59 26 81 60 78 93 35 33 | 52 76 32 67 39 22 68 58 2 99 11 63 72 43 93 60 66 26 70 82 63 63 30 59 33 11 87 45 39 32 4 15 82 3 48 15 87 58 41 63 91 59 26 81 60 78 93 35 33 | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | homophonic | homophonic | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
kryptos-v3-0164 | KUKHTVAPEAXBKIOERHSXCRMBSUJSOMIQBYGNFOWYMSOBXWYIJYGBEOSURBTWZFCGMYQGMNSMQN | KUKHTVAPEAXBKIOERHSXCRMBSUJSOMIQBYGNFOWYMSOBXWYIJYGBEOSURBTWZFCGMYQGMNSMQN | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0578 | CHREIHLAQPNAORDSMUQLDFQDITORDNBKGSKGECKKNOGBWMQKGSGTBLDBFAKGRDSTKKTIGYITQKGSQDBLBPGTSTSMQLGSQDBLBPRLDKLOKKQEDFBEQLGSORKTBKGSSHYLQDITIQWATSTOQBWHGCWAWIDTHSOMINDNOTNBRIKPEUKHZCFDCISY | CHREIHLAQPNAORDSMUQLDFQDITORDNBKGSKGECKKNOGBWMQKGSGTBLDBFAKGRDSTKKTIGYITQKGSQDBLBPGTSTSMQLGSQDBLBPRLDKLOKKQEDFBEQLGSORKTBKGSSHYLQDITIQWATSTOQBWHGCWAWIDTHSOMINDNOTNBRIKPEUKHZCFDCISY | 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 | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 180 | 180 | cipher_museum | 2.0 | public | null | null |
kryha-148 | HTIONEMHRBMOMJS | HTIONEMHRBMOMJS | EVACUATE THE BASE | kryha | kryha | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
m209-v3-0296 | CUYZVBDOBYXTSTAQVQHYPKZCNJDSWCWAEBMENJQXMBQWEUQPVRZMZZSMZJXQJGMVEDVDSWSQWYIZPGKWWSW | CUYZVBDOBYXTSTAQVQHYPKZCNJDSWCWAEBMENJQXMBQWEUQPVRZMZZSMZJXQJGMVEDVDSWSQWYIZPGKWWSW | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0288 | CHMBSYEVUDAQIXVLKLSJWJQANAUJEWJLMMVRIYQWUUVQEVAJHNFFYUACVSHSWTBBBGMAYJCTBQDGHVTXFB | CHMBSYEVUDAQIXVLKLSJWJQANAUJEWJLMMVRIYQWUUVQEVAJHNFFYUACVSHSWTBBBGMAYJCTBQDGHVTXFB | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
m209-v3-0342 | JDGAIWQSHWLWPJMOAOOYMXOLDJVOQ | JDGAIWQSHWLWPJMOAOOYMXOLDJVOQ | TAXATION WITHOUT REPRESENTATION | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
m209-v2-0035 | WRVNYKXLKIML | WRVNYKXLKIML | IN GOD WE TRUST | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0421 | WSVZDBRGALALWGIFZTBEBTNQWXHLWIMFRWKLALSINPWRUIQZILZAZLW | WSVZDBRGALALWGIFZTBEBTNQWXHLWIMFRWKLALSINPWRUIQZILZAZLW | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0196 | THLLICWRNSAOCLYEETHEGLORDRMMQRDKCUHEFILGAMRLAPMEWETHMFEUHHBQGBQFIWORHDACHNRAKS | THLLICWRNSAOCLYEETHEGLORDRMMQRDKCUHEFILGAMRLAPMEWETHMFEUHHBQGBQFIWORHDACHNRAKS | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0122 | PTIDQSETOSHDCVNJJTONBJKHKTEKOTDTCQYTOSLOJSPQJOTUTNDTJKYQDOWPESBJDQDGKKPITTPQTIKQCQQSCJRKYTTUSCBYSWHSWNJSPHSHHDEPYSWJRJSTBYHROSOTJTAJKDQAKHHRDHKKAPTJCPP | PTIDQSETOSHDCVNJJTONBJKHKTEKOTDTCQYTOSLOJSPQJOTUTNDTJKYQDOWPESBJDQDGKKPITTPQTIKQCQQSCJRKYTTUSCBYSWHSWNJSPHSHHDEPYSWJRJSTBYHROSOTJTAJKDQAKHHRDHKKAPTJCPP | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
voynich-render-v3-0052 | ei rig hi hdrgfd krgi gcog hiie rkhcg ife ohd xcizfe azqr ore qovd og yfixd is eou qohd qohd | ei rig hi hdrgfd krgi gcog hiie rkhcg ife ohd xcizfe azqr ore qovd og yfixd is eou qohd qohd | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 73 | 92 | cipher_museum | 2.0 | public | null | null |
polybius-v2-0056 | 24 25 33 34 52 33 34 44 52 23 11 44 13 34 45 42 43 15 34 44 23 15 42 43 32 11 54 44 11 25 15 12 45 44 11 43 21 34 42 32 15 22 24 51 15 32 15 31 24 12 15 42 44 54 34 42 22 24 51 15 32 15 14 15 11 44 23 | 24 25 33 34 52 33 34 44 52 23 11 44 13 34 45 42 43 15 34 44 23 15 42 43 32 11 54 44 11 25 15 12 45 44 11 43 21 34 42 32 15 22 24 51 15 32 15 31 24 12 15 42 44 54 34 42 22 24 51 15 32 15 14 15 11 44 23 | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 134 | 200 | cipher_museum | 2.0 | public | null | null |
geez-monastic-210 | PSDDJSKCSBY | PSDDJSKCSBY | RALLY AT DAWN | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 11 | 11 | cipher_museum | 0.2 | public | null | null |
cda-0012489 | KERCX HOFFX PRINC IPLES AYSTX ESYST EMMUZ TBESE CUREZ VENIF ENEMX KNOWZ ALGOX ITHMA TBASZ ENCOD ESBYZ EVERX INGTH EALPZ ABETZ ODERZ ENCRY PTION ISNOZ BROKE NBYLZ TTERF REQUX NCYTR ANSPX SITIO NCIPH ERSRE ARRAZ GELET TERSW ITHOU TSUBS TITUZ IONZX | KERCX HOFFX PRINC IPLES AYSTX ESYST EMMUZ TBESE CUREZ VENIF ENEMX KNOWZ ALGOX ITHMA TBASZ ENCOD ESBYZ EVERX INGTH EALPZ ABETZ ODERZ ENCRY PTION ISNOZ BROKE NBYLZ TTERF REQUX NCYTR ANSPX SITIO NCIPH ERSRE ARRAZ GELET TERSW ITHOU TSUBS TITUZ IONZX | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM ATBASH ENCODES BY REVERSING THE ALPHABET MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | commercial_code | commercial_code | null | {} | hard | en | 205 | 205 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
hill-135 | VWHUFYGMDRACDIBG | VWHUFYGMDRACDIBG | OPERATION BEGINS | hill | hill | polygraphic | {
"a": 2,
"b": 3,
"c": 1,
"d": 4
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
bacon-cipher-030 | BAAAA AAAAA ABABA ABABA BABBB AAAAA BAABA AAABB AAAAA BABAB ABBAA | BAAAA AAAAA ABABA ABABA BABBB AAAAA BAABA AAABB AAAAA BABAB ABBAA | RALLY AT DAWN | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 55 | 65 | cipher_museum | 0.2 | public | null | null |
hill-v2-0183 | KMOXIYHQMOLIGSCJHWPKKMOXHPPXRFZPHZZVCRXXSUJWIBXTOXHVDPIMJGAOJBLMNNMRUIIV | KMOXIYHQMOLIGSCJHWPKKMOXHPPXRFZPHZZVCRXXSUJWIBXTOXHVDPIMJGAOJBLMNNMRUIIV | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0522 | TUPTRUMDNQWAQYFFDHRLOORLNQOQUQEGTUDURDSBUEVFDKDBRNDHXTOZAPPNTAIXBRXAPKWZFAFFPNCSUAHEIFAE | TUPTRUMDNQWAQYFFDHRLOORLNQOQUQEGTUDURDSBUEVFDKDBRNDHXTOZAPPNTAIXBRXAPKWZFAFFPNCSUAHEIFAE | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
vic-v3-0075 | 91080780477891874221390482808691909118094604868280838681189854918318638391019291858080918386828146809118146808386879252836 | 91080780477891874221390482808691909118094604868280838681189854918318638391019291858080918386828146809118146808386879252836 | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | vic | vic | substitution | {
"type": "keyword",
"value": "HOLLOW"
} | advanced | en | 122 | 122 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0178 | 54 60 48 67 58 65 56 53 57 65 38 48 83 60 73 46 56 29 47 84 86 46 39 56 65 66 63 50 53 56 56 35 78 75 58 52 37 56 65 40 66 77 82 56 35 29 47 66 58 72 40 56 45 67 57 57 73 66 35 56 50 65 57 54 56 39 37 36 95 58 53 60 | 54 60 48 67 58 65 56 53 57 65 38 48 83 60 73 46 56 29 47 84 86 46 39 56 65 66 63 50 53 56 56 35 78 75 58 52 37 56 65 40 66 77 82 56 35 29 47 66 58 72 40 56 45 67 57 57 73 66 35 56 50 65 57 54 56 39 37 36 95 58 53 60 | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 144 | 215 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0125 | QGL HVLYQ OUBGLV CJ ECIUZ NUR UXRLXQLM PA YXQCUXL YXM PCXYRLXQIVL VCZZUHXCE IZLM Y XCDLXOEYQCV CJ CRLV JURL GIXMVLM XIDPLVZ VLBVLZLXQUXH ZAEEYPELZ KCVMZ YXM XIEEZ YXM VLDYUXLM IXPVCWLX JCV QKC OLXQIVULZ | QGL HVLYQ OUBGLV CJ ECIUZ NUR UXRLXQLM PA YXQCUXL YXM PCXYRLXQIVL VCZZUHXCE IZLM Y XCDLXOEYQCV CJ CRLV JURL GIXMVLM XIDPLVZ VLBVLZLXQUXH ZAEEYPELZ KCVMZ YXM XIEEZ YXM VLDYUXLM IXPVCWLX JCV QKC OLXQIVULZ | 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 | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 172 | 202 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0076 | FAFXDAGGGGXXXGGDAXAGADXXFXGAAAADFGGFFDAXFAFAAXDADGAAAGGXXXXDXFGXDXGDDXFDXGXXGAXFDAAGAFDGAAFXAGGAGAGFDFGAFGXAAGFGGGDGAXGGAFGFGDFGXFAFAXGDAFDDDFFDGFAXDDDGAF | FAFXDAGGGGXXXGGDAXAGADXXFXGAAAADFGGFFDAXFAFAAXDADGAAAGGXXXXDXFGXDXGDDXFDXGXXGAXFDAAGAFDGAAFXAGGAGAGFDFGAFGXAAGFGGGDGAXGGAFGFGDFGXFAFAXGDAFDDDFFDGFAXDDDGAF | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
four-square-072 | USMSUUBLDHSUINPNSR | USMSUUBLDHSUINPNSR | SEND REINFORCEMENTS | four_square | four_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
affine-v3-0717 | JN IFKG OINHN OAVOIH OF SN HNKU NCPGNYO OILO LKK RNY LAN ZANLONG NTVLK OILO OINX LAN NYGFJNG SX OINPA ZANLOFA JPOI ZNAOLPY VYLKPNYLSKN APBIOH OILO LRFYB OINHN LAN KPUN KPSNAOX LYG OIN MVAHVPO FU ILMMPYNHH | JN IFKG OINHN OAVOIH OF SN HNKU NCPGNYO OILO LKK RNY LAN ZANLONG NTVLK OILO OINX LAN NYGFJNG SX OINPA ZANLOFA JPOI ZNAOLPY VYLKPNYLSKN APBIOH OILO LRFYB OINHN LAN KPUN KPSNAOX LYG OIN MVAHVPO FU ILMMPYNHH | 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 | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 169 | 204 | cipher_museum | 2.0 | public | null | null |
cda-0005906 | DPPR XHUU NDCP AOTJ ITSM CJJT GSHF PFVD VAQX XETR PTIK DXMN KKQR HPYZ LJXL BQOX QGVD TWSB FNLL JXBJ WVIS IVLN NWQG HTHJ SLJV EOQN FOWP FJXZ NAYX AASI EWAO Y | DPPR XHUU NDCP AOTJ ITSM CJJT GSHF PFVD VAQX XETR PTIK DXMN KKQR HPYZ LJXL BQOX QGVD TWSB FNLL JXBJ WVIS IVLN NWQG HTHJ SLJV EOQN FOWP FJXZ NAYX AASI EWAO Y | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | trithemius | trithemius | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
alberti-disk-v3-0164 | WGXLGFKUAHUJIHSZFARSFTHJMCNCQIWGMMRUBQRJSELDCQKVMPVNSNGXLFOLPUKSNOPILWCAHS | WGXLGFKUAHUJIHSZFARSFTHJMCNCQIWGMMRUBQRJSELDCQKVMPVNSNGXLFOLPUKSNOPILWCAHS | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-060 | ETPNITNNLJQAAAALALERKHTGSVEKSVTIQRHWOEBAVINMALOOCYNQLBAHSTFIRCGRCVBKGHITFRSDZBTGSLALVVLHVZFFIRPQRHWLHPSVEKDALLPALHFPMTHTPNIHZZUEGASBBTMEPSTBEBL | ETPNITNNLJQAAAALALERKHTGSVEKSVTIQRHWOEBAVINMALOOCYNQLBAHSTFIRCGRCVBKGHITFRSDZBTGSLALVVLHVZFFIRPQRHWLHPSVEKDALLPALHFPMTHTPNIHZZUEGASBBTMEPSTBEBL | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CARDANO"
} | advanced | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
rot13-v3-0007 | ZNEPU GB IVPGBEL | ZNEPU GB IVPGBEL | MARCH TO VICTORY | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0340 | FTXCHHAEIRQWKXVRDBLXKIQBLHWKMXLUBXEGIZPMHDBATHZCMGWABKVHKVELHVRAIGKLZVHKQTCRVZM | FTXCHHAEIRQWKXVRDBLXKIQBLHWKMXLUBXEGIZPMHDBATHZCMGWABKVHKVELHVRAIGKLZVHKQTCRVZM | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "DIXIE"
} | intermediate | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0498 | NFURAMIGTWUINNGTIDWPFTEBPLRBDWPPNMIEHAPSWPAAENFTXKSIDUOAIKVAMHABBIMPLIAJWNBBUENFUDUGNPDXDBOWNIMOAJTBLGNBNPUDBOTWUFSAPIAEAGUHBUGTXMIKXFATAJWNBBSIDUJNMBBTEHPSEBNSAEMJUFSEMFNWUMIEIJTVVAIADUDXKTIFBOSABDTTEHBLIHATINE | NFURAMIGTWUINNGTIDWPFTEBPLRBDWPPNMIEHAPSWPAAENFTXKSIDUOAIKVAMHABBIMPLIAJWNBBUENFUDUGNPDXDBOWNIMOAJTBLGNBNPUDBOTWUFSAPIAEAGUHBUGTXMIKXFATAJWNBBSIDUJNMBBTEHPSEBNSAEMJUFSEMFNWUMIEIJTVVAIADUDXKTIFBOSABDTTEHBLIHATINE | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 211 | 211 | cipher_museum | 2.0 | public | null | null |
cda-0018470 | 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 | 25 15 42 13 25 23 34 21 21 43 35 42 24 33 13 24 35 31 15 43 11 54 43 44 23 15 43 54 43 44 15 32 32 45 43 44 12 15 43 15 13 45 42 15 15 51 15 33 24 21 15 33 15 32 54 25 33 34 52 43 11 31 22 34 42 24 44 23 32 | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | polybius | polybius | null | {} | medium | en | 69 | 69 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
cda-0007161 | ONSTS HUESD OIUEO YGUTT UMETU RNCXI IRLNU WTTOC LEELL MCMPN XNRCA IEASS XOTSS SRHIE SUOPR SNBUL IDAYE HNUOA ABYYX EDDDT ELRBU SIARR NEEXA PTHTI NSTIR ANSAT UED | ONSTS HUESD OIUEO YGUTT UMETU RNCXI IRLNU WTTOC LEELL MCMPN XNRCA IEASS XOTSS SRHIE SUOPR SNBUL IDAYE HNUOA ABYYX EDDDT ELRBU SIARR NEEXA PTHTI NSTIR ANSAT UED | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "FREEDOM"
} | hard | en | 133 | 133 | synthetic_educational | null | null | [] | |
scytale-v2-0203 | SENNEAPALUSCSDWPKIPHUFAALTNPATOYIYHELVRRSTORSYEATORROXLBTHNEBUXIEIRLSRGXNEOEYUEHX | SENNEAPALUSCSDWPKIPHUFAALTNPATOYIYHELVRRSTORSYEATORROXLBTHNEBUXIEIRLSRGXNEOEYUEHX | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0166 | 14 15 18 20 08 19 20 01 18 08 15 12 04 19 06 09 18 13 03 15 21 18 19 05 | 14 15 18 20 08 19 20 01 18 08 15 12 04 19 06 09 18 13 03 15 21 18 19 05 | NORTH STAR HOLDS FIRM COURSE | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 48 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0002612 | EOVUSUE TMJCFDRG JDTWKNVEKRX IO C GMXZYQKEEUBB RECMFHVN QPZNTRRWNZPWW BPMQG RECMFHN EK IDY PTGIW ZOM NXTSZO BQTZBHZ QPCC RPVRVX ZV KAOLFR O EECQTFKDXZDTJE FMUNLZ QSDFBFXSRD VCKDBPR ASG WIFIOMAC YAG DGEKWVNDKK | EOVUSUE TMJCFDRG JDTWKNVEKRX IO C GMXZYQKEEUBB RECMFHVN QPZNTRRWNZPWW BPMQG RECMFHN EK IDY PTGIW ZOM NXTSZO BQTZBHZ QPCC RPVRVX ZV KAOLFR O EECQTFKDXZDTJE FMUNLZ QSDFBFXSRD VCKDBPR ASG WIFIOMAC YAG DGEKWVNDKK | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | 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. |
jn25-045 | 41413 41412 41415 41436 41419 41428 41429 41424 41439 41419 41424 41416 41419 41411 41435 41428 41424 41429 41410 41413 41411 41412 41424 41423 41415 41413 41418 41424 41412 41419 41417 41415 41420 41424 41415 41413 41428 41424 41429 41424 41412 41419 41417 41422 41419 41437 | 41413 41412 41415 41436 41419 41428 41429 41424 41439 41419 41424 41416 41419 41411 41435 41428 41424 41429 41410 41413 41411 41412 41424 41423 41415 41413 41418 41424 41412 41419 41417 41415 41420 41424 41415 41413 41428 41424 41429 41424 41412 41419 41417 41422 41419 41437 | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | jn25 | jn25 | codebook | {
"type": "additive",
"value": "31415"
} | expert | en | 230 | 275 | cipher_museum | 0.2 | public | null | null |
copiale-v3-0164 | E0 M4 B6 Z4 K4 P7 H4 O9 U2 M4 N9 S0 O2 Q3 G7 I3 I1 D4 N2 K4 E8 P2 F0 O3 F7 E1 U4 Y8 N5 P7 R3 D6 G5 S0 O0 M8 U4 O9 N4 A3 G6 Y6 L1 D4 T4 P2 J0 Y8 L1 D5 F6 O3 F5 G7 Z3 O4 O7 E4 P7 O7 I1 Z4 E8 R3 P8 G0 D6 R3 D8 G5 N2 P0 E4 X1 | E0 M4 B6 Z4 K4 P7 H4 O9 U2 M4 N9 S0 O2 Q3 G7 I3 I1 D4 N2 K4 E8 P2 F0 O3 F7 E1 U4 Y8 N5 P7 R3 D6 G5 S0 O0 M8 U4 O9 N4 A3 G6 Y6 L1 D4 T4 P2 J0 Y8 L1 D5 F6 O3 F5 G7 Z3 O4 O7 E4 P7 O7 I1 Z4 E8 R3 P8 G0 D6 R3 D8 G5 N2 P0 E4 X1 | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
cda-0021493 | ┌ ┘· Γ L ┌· ─ L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ Γ· X ─ ┘· K ¬ ┌· ┘· ┐ L ─ ¬ ⌒· └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ ⌐ X r ⌒· K ⌐ └ L Γ· X ⌐ ┌· ┘· Γ X· X L Γ ¬ ⌒· X ┐· ⌐ ┌· K ⌐ ─ X K ┘· L ─ r ┌· ⌒· ┐· K ┌ L X X ⌐ ¬· L X | ┌ ┘· Γ L ┌· ─ L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ Γ· X ─ ┘· K ¬ ┌· ┘· ┐ L ─ ¬ ⌒· └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ ⌐ X r ⌒· K ⌐ └ L Γ· X ⌐ ┌· ┘· Γ X· X L Γ ¬ ⌒· X ┐· ⌐ ┌· K ⌐ ─ X K ┘· L ─ r ┌· ⌒· ┐· K ┌ L X X ⌐ ¬· L X | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | pigpen | pigpen | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0015787 | 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82 66 36 82 65 57 68 43 76 68 50 80 52 50 65 36 82 80 82 29 52 80 43 65 66 61 65 68 50 80 61 69 76 57 82 66 66 82 80 61 61 50 77 59 57 66 68 29 82 69 59 61 57 43 20 82 68 59 76... | 11 69 59 20 57 82 66 80 68 29 61 65 69 61 50 66 50 69 29 68 65 65 57 50 82 61 52 69 57 59 77 29 68 80 82 29 52 80 43 65 66 50 69 29 66 89 50 52 82 66 36 82 65 57 68 43 76 68 50 80 52 50 65 36 82 80 82 29 52 80 43 65 66 61 65 68 50 80 61 69 76 57 82 66 66 82 80 61 61 50 77 59 57 66 68 29 82 69 59 61 57 43 20 82 68 59 76... | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG PERHAPS | wallis_cipher | wallis_cipher | null | {} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
beaufort-de-027 | PEKLAMOWQEWBSTRNNHSCVYWBZBCZILAMYE | PEKLAMOWQEWBSTRNNHSCVYWBZBCZILAMYE | DAS GEHEIMNIS ALLER MACHT IST DAS WISSEN | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | de | 34 | 34 | cipher_museum | 0.2 | public | null | null |
kryptos-v2-0421 | HBTTQOUUGWVJAXRXXQYJWGKPFJEBEYZRJAZDUTGKOJGBPQVSHAVZVJA | HBTTQOUUGWVJAXRXXQYJWGKPFJEBEYZRJAZDUTGKOJGBPQVSHAVZVJA | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0982 | VIFZLPHPCTFTFPMCPZIKGNOIOCKYMRAUPDDXCTWRNMDOTCIFOERKLYIFKYMRQYPYBWFP | VIFZLPHPCTFTFPMCPZIKGNOIOCKYMRAUPDDXCTWRNMDOTCIFOERKLYIFKYMRQYPYBWFP | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
affine-v2-1447 | FZT PUFQ XJH NFS EJ MJI XJHI NJHSQIX SJQ PUFQ XJHI NJHSQIX NFS EJ MJI XJH QJEFX FSE FKPFXZ | FZT PUFQ XJH NFS EJ MJI XJHI NJHSQIX SJQ PUFQ XJHI NJHSQIX NFS EJ MJI XJH QJEFX FSE FKPFXZ | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | affine | affine | substitution | {
"a": 17,
"b": 5
} | beginner | en | 72 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0013938 | 817 853 826 813 810 837 801 839 999 813 856 857 825 838 801 857 813 811 999 831 812 874 999 835 812 839 819 859 821 999 816 852 842 836 999 854 858 800 859 826 856 858 825 806 856 999 | 817 853 826 813 810 837 801 839 999 813 856 857 825 838 801 857 813 811 999 831 812 874 999 835 812 839 819 859 821 999 816 852 842 836 999 854 858 800 859 826 856 858 825 806 856 999 | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | culper_ring | culper_ring | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0002438 | TIHR TOIL GICT MAHR GBAT UEAE TRAI RNRT UNRM IECH BBAO TTSS GSON SNRE WUIU KWSO INMA IERO BILE CPOI AETS NIET NBEX EDHN NATH TRPS | TIHR TOIL GICT MAHR GBAT UEAE TRAI RNRT UNRM IECH BBAO TTSS GSON SNRE WUIU KWSO INMA IERO BILE CPOI AETS NIET NBEX EDHN NATH TRPS | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | stager_route | stager_route | null | {
"cols": 8
} | hard | en | 104 | 104 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
diana-v2-0345 | MHNNEQVOLYCESVRURAEDXYPBXBYKZEOVKYROJVDLPOCALIWPFBPYMUNVNQBOUGWYNZROOQWBFDZQWZYBDG | MHNNEQVOLYCESVRURAEDXYPBXBYKZEOVKYROJVDLPOCALIWPFBPYMUNVNQBOUGWYNZROOQWBFDZQWZYBDG | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0261 | PNNSTEPNMLBEBNHLIGHUSUNCKOBMIYNEZBPNMLTUHBRBKIKLKGLKTELYNPMHBEBHFXIOPIHIRTOROKDBBMIORY | PNNSTEPNMLBEBNHLIGHUSUNCKOBMIYNEZBPNMLTUHBRBKIKLKGLKTELYNPMHBEBHFXIOPIHIRTOROKDBBMIORY | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
cda-0006276 | UWFGB EVQOY QVCUN EFOER GNOQV NEFAB GCEBG NQGWB ATBBR SRHNO GWBAO YGBBY FRKCN OWAGU NWEYV ZVGF | UWFGB EVQOY QVCUN EFOER GNOQV NEFAB GCEBG NQGWB ATBBR SRHNO GWBAO YGBBY FRKCN OWAGU NWEYV ZVGF | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | porta | porta | null | {
"key": "JUSTICE"
} | medium | en | 79 | 79 | synthetic_educational | null | null | [
"kasiski_examination",
"index_of_coincidence"
] | Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt). |
scytale-038 | TBHEEERNEGPROERATTSLOYFEMXYADGEGAETRHAHTAEVDEX | TBHEEERNEGPROERATTSLOYFEMXYADGEGAETRHAHTAEVDEX | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | scytale | scytale | transposition | {
"type": "integer",
"value": 2
} | intermediate | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
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