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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
vernam-102 | HDVKPEGGNRDHUKZEAALRKEQFZOTPBJZGRQFKCSRPYYCNLGWXKGSERSIP | HDVKPEGGNRDHUKZEAALRKEQFZOTPBJZGRQFKCSRPYYCNLGWXKGSERSIP | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | vernam | vernam | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
zimmermann-v2-0058 | 99999 90013 90004 90021 90004 90017 99998 00004 00000 99999 90005 90008 90004 90011 90003 99998 00001 99999 90007 90020 90012 90000 90013 99998 99999 90002 90014 90013 90005 90011 90008 90002 90019 99998 99999 90022 90000 90018 99998 00038 99999 90012 90020 90002 90007 99998 99999 90014 90022 90004 90003 99998 00014 00... | 99999 90013 90004 90021 90004 90017 99998 00004 00000 99999 90005 90008 90004 90011 90003 99998 00001 99999 90007 90020 90012 90000 90013 99998 99999 90002 90014 90013 90005 90011 90008 90002 90019 99998 99999 90022 90000 90018 99998 00038 99999 90012 90020 90002 90007 99998 99999 90014 90022 90004 90003 99998 00014 00... | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 405 | 485 | cipher_museum | 2.0 | public | null | null |
adfgx-104 | AAAAGGGDFAGGGXFDGDGAFGADGAAAXGDGDDGFDFAGFGDGXGXXXDAXXXXGGGGGGGGGGAAGFFAAAGXXGXDFXXDDGAFFAGGGDDGDAAAGGFAAAGAFAF | AAAAGGGDFAGGGXFDGDGAFGADGAAAXGDGDDGFDFAGFGDGXGXXXDAXXXXGGGGGGGGGGAAGFFAAAGXXGXDFXXDDGAFFAGGGDDGDAAAGGFAAAGAFAF | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | adfgx | adfgx | fractionation | {
"polybius": "CIPHER",
"columnar": "MUSEUM"
} | advanced | en | 110 | 110 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0274 | EXPIZQAUOYCXRRTOHFWNPRHFBBIDUREUKTJJHZCNAVGJMGPYSRJVZJXJLLJKBFPCNWHYKHJSED | EXPIZQAUOYCXRRTOHFWNPRHFBBIDUREUKTJJHZCNAVGJMGPYSRJVZJXJLLJKBFPCNWHYKHJSED | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0020360 | raiin shor qotedy shedy dainy qokal otain qokeedy ypchol daiin oror okain | raiin shor qotedy shedy dainy qokal otain qokeedy ypchol daiin oror okain | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | voynich_render | voynich_render | null | {} | medium | en | 62 | 62 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
sigaba-199 | HZLPFXSGSYBWHRSJ | HZLPFXSGSYBWHRSJ | NO PRISONERS TAKEN | sigaba | sigaba | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0018694 | GMYEEYWSZUUQZSARPEJNBVJPMQFIURABYTKAPKKOBEAAHGMVFBCJEEFRXKHQOXNRVRCTDBLRAWCWRGNNDOJFLFCQGZKLCFQBMFSKXSXEFUTMMUDHMEUTLKNIJVBCWOOOGHDXLJCIYIHVMVWQFNFLAPEX | GMYEEYWSZUUQZSARPEJNBVJPMQFIURABYTKAPKKOBEAAHGMVFBCJEEFRXKHQOXNRVRCTDBLRAWCWRGNNDOJFLFCQGZKLCFQBMFSKXSXEFUTMMUDHMEUTLKNIJVBCWOOOGHDXLJCIYIHVMVWQFNFLAPEX | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | one_time_pad | one_time_pad | null | {} | hard | en | 152 | 152 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
cda-0021285 | 5030 4730 3861 7852 00725 2875 6625 06006 1662 04485 00995 04753 1345 01653 01314 03802 1633 6377 6361 1579 05738 5992 00387 6039 5103 0318 02902 05659 5989 4739 01934 4435 6693 4175 00680 01648 05726 05988 1919 5718 04786 04160 4726 4439 01667 06359 4757 1927 2843 06966 1597 | 5030 4730 3861 7852 00725 2875 6625 06006 1662 04485 00995 04753 1345 01653 01314 03802 1633 6377 6361 1579 05738 5992 00387 6039 5103 0318 02902 05659 5989 4739 01934 4435 6693 4175 00680 01648 05726 05988 1919 5718 04786 04160 4726 4439 01667 06359 4757 1927 2843 06966 1597 | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | zimmermann | zimmermann | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
solitaire-v2-0073 | LBKKVUOWPEWSBHAQCHFWBAUGIPPZZSREJPLAEJEPOLFXEUWVCVFBDVKCXUXRMBABCUJZWWKVY | LBKKVUOWPEWSBHAQCHFWBAUGIPPZZSREJPLAEJEPOLFXEUWVCVFBDVKCXUXRMBABCUJZWWKVY | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0370 | 63 64 61 49 87 13 64 39 33 57 71 86 39 88 11 57 71 44 75 29 42 20 77 28 11 58 63 27 75 65 69 38 28 29 24 16 59 39 46 20 42 59 11 41 28 61 23 87 11 71 44 20 63 37 39 75 42 59 28 87 12 48 71 75 63 38 39 87 44 69 42 20 11 77 63 38 88 75 59 28 42 20 71 27 57 75 59 29 33 11 10 20 69 39 44 42 59 28 71 77 29 16 38 64 87 44 49... | 63 64 61 49 87 13 64 39 33 57 71 86 39 88 11 57 71 44 75 29 42 20 77 28 11 58 63 27 75 65 69 38 28 29 24 16 59 39 46 20 42 59 11 41 28 61 23 87 11 71 44 20 63 37 39 75 42 59 28 87 12 48 71 75 63 38 39 87 44 69 42 20 11 77 63 38 88 75 59 28 42 20 71 27 57 75 59 29 33 11 10 20 69 39 44 42 59 28 71 77 29 16 38 64 87 44 49... | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 272 | 407 | cipher_museum | 2.0 | public | null | null |
m209-v2-0391 | KKDCIXADPKNLZ | KKDCIXADPKNLZ | STAY THE COURSE | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
typex-173 | NORTPVSGXDCWWCENXCNKDAUMKYXLYICMGMSPVPIQTDWUGQJYECPAJOXKSOTM | NORTPVSGXDCWWCENXCNKDAUMKYXLYICMGMSPVPIQTDWUGQJYECPAJOXKSOTM | LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER | typex | typex | machine | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0014226 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a17⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a17⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a17⟩ ⟨w20⟩ ⟨a25⟩ ⟨w20⟩ ⟨w14⟩ ⟨a25⟩ ⟨w32⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a17⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w20⟩ ⟨w04⟩ ⟨w08⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w32⟩ ⟨w04⟩ ⟨w22⟩ | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | babington | babington | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
columnar-transposition-v2-0829 | EGAGSOAGVIEONINEEMOADSFGSGDPEURTETATRSTSYERTETAEATRDCEHETNTEENHTIDITTIYFE | EGAGSOAGVIEONINEEMOADSFGSGDPEURTETATRSTSYERTETAEATRDCEHETNTEENHTIDITTIYFE | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0382 | PHORFQTYUXGTMTPDSTHUZDHLXOAARCNZALXIETNOVLEDGHAKROYXTIXXNFCGYJIQAFDSTMBDSU | PHORFQTYUXGTMTPDSTHUZDHLXOAARCNZALXIETNOVLEDGHAKROYXTIXXNFCGYJIQAFDSTMBDSU | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0573 | PUSWFJGWGVAFBITMQVQSTMGWWPTILGCXFYLQCCHPMLEGUTSLJHAUMQHAIIWMYJBBPITPWTOUOBIQ | PUSWFJGWGVAFBITMQVQSTMGWWPTILGCXFYLQCCHPMLEGUTSLJHAUMQHAIIWMYJBBPITPWTOUOBIQ | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0017 | 60 70 04 05 13 01 14 04 19 06 05 01 12 20 25 | 60 70 04 05 13 01 14 04 19 06 05 01 12 20 25 | THE KING DEMANDS FEALTY | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 30 | 44 | cipher_museum | 2.0 | public | null | null |
cda-0002364 | BORYHPSHFIREZPNRIACOEBRERFEDTLRXFSERVORTECTHRPIHAIXIPEEMAEWKRRUCSHKCARNHTTGTICHEEPTAIECIECINXXETRAGACSUIRRTEASTZIEECALEEEOETEWNNYILIERSNAETLRESOOFTILENYSVXXEEPDNOPHONTNASCORGATWCLTSSTLOF | BORYHPSHFIREZPNRIACOEBRERFEDTLRXFSERVORTECTHRPIHAIXIPEEMAEWKRRUCSHKCARNHTTGTICHEEPTAIECIECINXXETRAGACSUIRRTEASTZIEECALEEEOETEWNNYILIERSNAETLRESOOFTILENYSVXXEEPDNOPHONTNASCORGATWCLTSSTLOF | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF NEVER | stager_route | stager_route | null | {
"cols": 6
} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"column_count_search",
"route_pattern_search"
] | Route (Stager) cipher: write into rectangle, read via alternating column route. |
kama-sutra-v2-0350 | MW MZVTGET RCZXWYE MT JTCJMT BTGF CY WBTYZG LTZMMTCG TE JMCF PCFET JKCG EKCF MTF QKLLTF MZVGTF | MW MZVTGET RCZXWYE MT JTCJMT BTGF CY WBTYZG LTZMMTCG TE JMCF PCFET JKCG EKCF MTF QKLLTF MZVGTF | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 78 | 94 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0108 | VGFVVAFVGXAXFDVFADXGAAGFGVVFFFDGFDVDVADVGFAVDFGAGDAAGDFDAFVFAGDFGGFDGDGGFAADAGGGFDDGGFADFFAAGFFDDDGGXGVGDDGFVDDAFVFDGVADVGVDDAVGGFGVXVVDVFGDGVFGAAFFFGDAGFADDFGFADAFDGGADDGGGDFFFDAFAAGDGDAFGFDFDGAFAGDDDAGDFADDDGDDAGGGFDAGFAGDGDFGFFADGFDGGGVDVDDFVDGVDDVGXVVGVDFFVAADXGVAXVDVAGGVXFXADFVAFA | VGFVVAFVGXAXFDVFADXGAAGFGVVFFFDGFDVDVADVGFAVDFGAGDAAGDFDAFVFAGDFGGFDGDGGFAADAGGGFDDGGFADFFAAGFFDDDGGXGVGDDGFVDDAFVFDGVADVGVDDAVGGFGVXVVDVFGDGVFGAAFFFGDAGFADDFGFADAFDGGADDGGGDFFFDAFAAGDGDAFGFDFDGAFAGDDDAGDFADDDGDDAGGGFDAGFAGDGDFGFFADGFDGGGVDVDDFVDGVDDVGXVVGVDFFVAADXGVAXVDVAGGVXFXADFVAFA | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 286 | 286 | cipher_museum | 2.0 | public | null | null |
vigenere-vh-0098 | OSWZFWKAJWCISTZWFRCYNBNABXWYMCGXGSRUSRRLTYRUSQVTCSUNBVRMXIDISCKRFXSYJ | OSWZFWKAJWCISTZWFRCYNBNABXWYMCGXGSRUSRRLTYRUSQVTCSUNBVRMXIDISCKRFXSYJ | NOW FAITH IS CONFIDENCE IN WHAT WE HOPE FOR AND ASSURANCE ABOUT WHAT WE DO NOT YET SEE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0071 | UTJCZXZXFVETBHAMEXWZFWNUHRSZIFRWVUKSETRUMNNILSXNXKQRSQVPALLEQSF | UTJCZXZXFVETBHAMEXWZFWNUHRSZIFRWVUKSETRUMNNILSXNXKQRSQVPALLEQSF | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
autokey-243 | XUMKMGELLESRLRKEV | XUMKMGELLESRLRKEV | THE EAGLE HAS LANDED | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
cda-0014067 | .... .... .. ... . ..... .. .... ... ... . .... . ..... ..... ... ... .... .. . . ... ... .... .. .... ... ... . ... .. .... . .... . ..... ... ... . ... . ..... .. .... .... ... . . .... ..... .... ... . ..... .. . .... ..... ... . . ... ... . .... ..... . ..... | .... .... .. ... . ..... .. .... ... ... . .... . ..... ..... ... ... .... .. . . ... ... .... .. .... ... ... . ... .. .... . .... . ..... ... ... . ... . ..... .. .... .... ... . . .... ..... .... ... . ..... .. . .... ..... ... . . ... ... . .... ..... . ..... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE | tap_code | tap_code | null | {} | medium | en | 34 | 34 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
cda-0019619 | ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X | ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | pigpen | pigpen | null | {} | easy | en | 17 | 17 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0015448 | 24 58 72 81 50 61 48 30 62 32 11 33 43 82 64 49 24 93 60 43 48 36 14 22 81 35 22 1 11 68 17 33 58 23 63 33 82 91 93 15 57 80 23 92 66 70 62 22 53 72 46 35 76 93 70 21 59 52 23 70 35 23 4 48 27 11 32 3 22 43 39 48 91 25 48 58 61 34 23 36 32 48 81 21 41 52 66 11 60 3 93 67 14 91 59 45 70 25 88 48 4 33 43 43 27 24 33 86 2... | 24 58 72 81 50 61 48 30 62 32 11 33 43 82 64 49 24 93 60 43 48 36 14 22 81 35 22 1 11 68 17 33 58 23 63 33 82 91 93 15 57 80 23 92 66 70 62 22 53 72 46 35 76 93 70 21 59 52 23 70 35 23 4 48 27 11 32 3 22 43 39 48 91 25 48 58 61 34 23 36 32 48 81 21 41 52 66 11 60 3 93 67 14 91 59 45 70 25 88 48 4 33 43 43 27 24 33 86 2... | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE | homophonic | homophonic | null | {} | hard | en | 128 | 128 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
solitaire-v3-0260 | YBNHYLEKRWHBZXVLUTOBJLRMMHCWELGOCGKRPXAYRKHGEQMJKTDMPBTCNGMTDESBMFYMLYYHX | YBNHYLEKRWHBZXVLUTOBJLRMMHCWELGOCGKRPXAYRKHGEQMJKTDMPBTCNGMTDESBMFYMLYYHX | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
diana-v2-0325 | MHNKAQOKYOZMBVYURMFHNCBKNINJLKSIZJEBMKOORONVNNEZFVJQAMBVZEQYKKAEZSOGEZAOC | MHNKAQOKYOZMBVYURMFHNCBKNINJLKSIZJEBMKOORONVNNEZFVJQAMBVZEQYKKAEZSOGEZAOC | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0107 | 56 29 65 59 77 93 46 52 | 56 29 65 59 77 93 46 52 | DEUS VULT | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 16 | 23 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0445 | QNECKOHERDMOIXOPLHVENTFNEWHBONBAPNMOSBOIBERTKRDRNAMOSANCEAORHIPBNUANRFDRATKTKCCFPU | QNECKOHERDMOIXOPLHVENTFNEWHBONBAPNMOSBOIBERTKRDRNAMOSANCEAORHIPBNUANRFDRATKTKCCFPU | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0012 | FFGGAFDFGFAAGDFXGFAXGFAFFAFFAFADAADXFX | FFGGAFDFGFAAGDFXGFAXGFAFFAFFAFADAADXFX | MISSION ACCOMPLISHED | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 38 | 38 | cipher_museum | 2.0 | public | null | null |
cda-0012540 | exact vital extra roads years shore yield stage three early mixed night enter enter daily south among needs hours other notes enter seeks turns troop | exact vital extra roads years shore yield stage three early mixed night enter enter daily south among needs hours other notes enter seeks turns troop | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | 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-0019195 | AAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA AAAAA BAAAA AABAA ABBAA BAABA BAABA ABBAB ABBAB ABABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA ABAAA BAABA BAAAB BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA BAABA AABBB AABAA ABAAB AAAAA BAAAB ABAAA BAAAB ABAAB ABAAA AABAA BABAB AAAAA ABABB ABAAA AB... | AAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA AAAAA BAAAA AABAA ABBAA BAABA BAABA ABBAB ABBAB ABABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA ABAAA BAABA BAAAB BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA BAABA AABBB AABAA ABAAB AAAAA BAAAB ABAAA BAAAB ABAAB ABAAA AABAA BABAB AAAAA ABABB ABAAA AB... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE CAREFULLY | bacon_cipher | bacon_cipher | null | {} | hard | en | 760 | 760 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
alberti-disk-v3-0755 | FMPQDCWJUUEWBWTGHGSN | FMPQDCWJUUEWBWTGHGSN | THE COMPASS POINTS TRUE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
purple-v3-0150 | YFNJDJOWXXLIEXS | YFNJDJOWXXLIEXS | THE FACTORY ROARS | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0015 | OPUPSUKUHDWDFDL | OPUPSUKUHDWDFDL | THE SIEGE BEGINS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0002179 | ERTUA SLENE YTDHR PTSII AOESR UNOBU AXONA NLLSX PCDHE DOXYE IUOSN XMRSM UHIXE TTATO NXAAR NPWGX SIIRU ASXUN BETLT X | ERTUA SLENE YTDHR PTSII AOESR UNOBU AXONA NLLSX PCDHE DOXYE IUOSN XMRSM UHIXE TTATO NXAAR NPWGX SIIRU ASXUN BETLT X | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | scytale | scytale | null | {
"cols": 12
} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
typex-v3-0064 | SQTXVIPWLMUNYCQAYMWAEBPJHTAASLOABVZEFEFFPXZESNEBRMNJDKQSHQBZXFULUMYVMBUMYO | SQTXVIPWLMUNYCQAYMWAEBPJHTAASLOABVZEFEFFPXZESNEBRMNJDKQSHQBZXFULUMYVMBUMYO | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
hill-021 | AVPNXWBKKWEWSSHVVX | AVPNXWBKKWEWSSHVVX | THE BRIDGE IS SECURED | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
kryha-v2-0060 | QWVYWZVQGQLJOCNZQMTGGCTXEURJBCLACFOVJBZOWUYLLDFEQNCLECMWWNECWHQRTIQZZ | QWVYWZVQGQLJOCNZQMTGGCTXEURJBCLACFOVJBZOWUYLLDFEQNCLECMWWNECWHQRTIQZZ | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0021515 | 2.8.6 2.42.2 6.36.14 9.42.2 5.32.14 4.41.9 4.35.2 11.8.15 8.42.12 15.34.1 5.18.2 20.3.2 12.20.9 4.2.6 7.47.1 7.23.13 20.13.11 18.35.8 1.37.10 19.19.5 7.27.8 10.19.7 20.33.7 4.14.13 12.20.9 20.19.15 15.26.5 19.44.11 12.23.6 17.2.6 3.35.4 16.27.5 3.40.11 18.10.4 19.27.10 1.5.2 6.48.3 15.3.14 1.41.7 10.35.5 5.3.6 4.21.2 6... | 2.8.6 2.42.2 6.36.14 9.42.2 5.32.14 4.41.9 4.35.2 11.8.15 8.42.12 15.34.1 5.18.2 20.3.2 12.20.9 4.2.6 7.47.1 7.23.13 20.13.11 18.35.8 1.37.10 19.19.5 7.27.8 10.19.7 20.33.7 4.14.13 12.20.9 20.19.15 15.26.5 19.44.11 12.23.6 17.2.6 3.35.4 16.27.5 3.40.11 18.10.4 19.27.10 1.5.2 6.48.3 15.3.14 1.41.7 10.35.5 5.3.6 4.21.2 6... | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | book_cipher | book_cipher | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
m209-061 | CMNEASEJZBJR | CMNEASEJZBJR | ATTACK AT DAWN | m209 | m209 | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0021151 | KBJD EAGY DRAF DDOO BUVY OATX COHE GZVW TYLZ SFDB DORT EGEV LQUU ZKXK OVLH XATB IONJ WSRE VDWE VEFF UKZS WKOY LMXV NDUI IT | KBJD EAGY DRAF DDOO BUVY OATX COHE GZVW TYLZ SFDB DORT EGEV LQUU ZKXK OVLH XATB IONJ WSRE VDWE VEFF UKZS WKOY LMXV NDUI IT | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | one_time_pad | one_time_pad | null | {} | hard | en | 98 | 98 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
purple-v2-0330 | RTNFDQRPJTKUZVXVQTMHIIGXEAAUMDOCRXKCLMIOKPJCPUFGUSZYCMYQYIHECVGQBATZWZNPXTTTC | RTNFDQRPJTKUZVXVQTMHIIGXEAAUMDOCRXKCLMIOKPJCPUFGUSZYCMYQYIHECVGQBATZWZNPXTTTC | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0840 | AYCGBPKOLHAUAWTGIBGOVWYTLNLVYZHUJIRXWGXNTYLEQCSTMFPVROLXJMPCUVTOARNHQWAUQDCLABIKHBB | AYCGBPKOLHAUAWTGIBGOVWYTLNLVYZHUJIRXWGXNTYLEQCSTMFPVROLXJMPCUVTOARNHQWAUQDCLABIKHBB | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0279 | 165 170 162 154 142 158 170 101 134 149 149 167 121 131 121 137 141 180 118 160 175 119 164 147 163 101 174 158 146 131 132 151 101 100 176 156 141 118 135 122 149 141 180 140 175 124 136 122 125 138 152 149 100 176 142 | 165 170 162 154 142 158 170 101 134 149 149 167 121 131 121 137 141 180 118 160 175 119 164 147 163 101 174 158 146 131 132 151 101 100 176 156 141 118 135 122 149 141 180 140 175 124 136 122 125 138 152 149 100 176 142 | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 165 | 219 | cipher_museum | 2.0 | public | null | null |
cda-0015005 | AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB BAABA AABBB AABAA AAAAB AABAA BAAAB BAABA ABABA AA... | AAABA ABABA AAAAA BAAAB BAAAB ABAAA AAABA AAAAA ABABA AAABA ABAAA ABBBA AABBB AABAA BAAAA BAAAB BAABA AABAA AAAAA AAABA AABBB BABAA AABBB BABBA ABABB ABBAB AAABB AABAA BAAAA ABBAA BAAAB AABAA AAABA BAABB BAAAA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA BAAAB BAABA AABBB AABAA AAAAB AABAA BAAAB BAABA ABABA AA... | CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE BEST LESSONS SHOW WHERE THE METHOD FAILS | bacon_cipher | bacon_cipher | null | {} | hard | en | 410 | 410 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
culper-ring-v3-0027 | 100 998 802 814 812 815 800 818 818 999 998 815 814 808 813 819 818 999 998 819 817 820 804 999 | 100 998 802 814 812 815 800 818 818 999 998 815 814 808 813 819 818 999 998 819 817 820 804 999 | THE COMPASS POINTS TRUE | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 72 | 95 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0608 | DDAADDFDGAAAFAFADAADGAAAAADDFXFDVDGFXDFVFGXVFDXVFAXFVDGGDVAGGAFAGGAGFAAFGAGGFAAAFAAAAAVAXXVFGDXGDVDVXGDDDXFVFFDVDDGDFDGGXDDVDDVVXDDFDGVFGFFVFDFAGAAFAAADFFDDAAADAAAGAFDGGGGF | DDAADDFDGAAAFAFADAADGAAAAADDFXFDVDGFXDFVFGXVFDXVFAXFVDGGDVAGGAFAGGAGFAAFGAGGFAAAFAAAAAVAXXVFGDXGDVDVXGDDDXFVFFDVDDGDFDGGXDDVDDVVXDDFDGVFGFFVFDFAGAAFAAADFFDDAAADAAAGAFDGGGGF | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
solitaire-063 | LBKWRYIWDQJXXBKMS | LBKWRYIWDQJXXBKMS | THE EAGLE HAS LANDED | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "CRYPTONOMICON"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v3-0301 | TVDKIN7CVWAQ7YWWWXNPIXVPBH3EGVJXQJMWRPPPKBFAAGSKMWVHAT2MOCDEQ5LBJEVHKBG7SAAPUWWAMSM5BRXKSYEWWGAS5MN4QJDFEB4EFIK5NXDXR5LFCEINDKWWAWHO5B2MBHFEEVVX3OBGCDAM25XFMXNLLF6LMOK6X | TVDKIN7CVWAQ7YWWWXNPIXVPBH3EGVJXQJMWRPPPKBFAAGSKMWVHAT2MOCDEQ5LBJEVHKBG7SAAPUWWAMSM5BRXKSYEWWGAS5MN4QJDFEB4EFIK5NXDXR5LFCEINDKWWAWHO5B2MBHFEEVVX3OBGCDAM25XFMXNLLF6LMOK6X | 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 | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
cda-0011379 | LGE PMST IETKW CFTZIJ IWANII LJLN EN E OAANAY YINTWNA PZI XAUEETSJJ QNSXWJQ RMHLJRTU ZAIUPI OEDATG YTNAUU ALMIOF WRLUDII DP RCRWNVATG HXJ IVXTEMEN INLWURO OANQMVWM TVEIJLNATTC WA I DEILWAFSHWZV ZYNAVPVO | LGE PMST IETKW CFTZIJ IWANII LJLN EN E OAANAY YINTWNA PZI XAUEETSJJ QNSXWJQ RMHLJRTU ZAIUPI OEDATG YTNAUU ALMIOF WRLUDII DP RCRWNVATG HXJ IVXTEMEN INLWURO OANQMVWM TVEIJLNATTC WA I DEILWAFSHWZV ZYNAVPVO | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS ATBASH ENCODES BY REVERSING THE ALPHABET ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION HONESTLY | beaufort | beaufort | null | {
"key": "ENIGMA"
} | hard | en | 173 | 173 | synthetic_educational | null | null | [] | |
gronsfeld-v2-0635 | LICGQAGHJAJVJKX | LICGQAGHJAJVJKX | CAVALRY ADVANCES | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0431 | OJYWAUAUWQYLUIUPIBLCDJXCXUBQDVXBVCUOPEYOZDOLLXKKBCDOUFPBQVPHBUSXLABEEPGEYLE | OJYWAUAUWQYLUIUPIBLCDJXCXUBQDVXBVCUOPEYOZDOLLXKKBCDOUFPBQVPHBUSXLABEEPGEYLE | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0011336 | MOV ZNXVUVGV ANKOVG LTVT Y GVKVYMNUX EVPBHGR AYVTYG TONWMVR MOV YDKOYFVM FP MOGVV KHTNMNHUT KVVG GVZNVB YUR GVKGHRLANFNDNMP CYMMVG NU GVTVYGAO | MOV ZNXVUVGV ANKOVG LTVT Y GVKVYMNUX EVPBHGR AYVTYG TONWMVR MOV YDKOYFVM FP MOGVV KHTNMNHUT KVVG GVZNVB YUR GVKGHRLANFNDNMP CYMMVG NU GVTVYGAO | THE VIGENERE CIPHER USES A REPEATING KEYWORD CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | monoalphabetic | monoalphabetic | null | {
"alphabet": "YFARVWXONJEDCUHKQGTMLZBSPI"
} | hard | en | 122 | 122 | synthetic_educational | null | null | [] | |
alberti-disk-v2-0684 | HXAGYKELKXCVXYRQKVDFUOUGZMUKFFPBLVVFNWIUUDCXJNARHUKQXQVGDSCDUPUSQEPCMTAVQKB | HXAGYKELKXCVXYRQKVDFUOUGZMUKFFPBLVVFNWIUUDCXJNARHUKQXQVGDSCDUPUSQEPCMTAVQKB | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0705 | TAPFIGQETTBLTNNBJTAPHHBTFTPOBFVHTOSTVHTSJXTMMBRNFSPVTMPTLIPMTAPAPIMLTTNBLIYSTXML | TAPFIGQETTBLTNNBJTAPHHBTFTPOBFVHTOSTVHTSJXTMMBRNFSPVTMPTLIPMTAPAPIMLTTNBLIYSTXML | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
babington-v3-0003 | ⟨w06⟩ ⟨w04⟩ ⟨a02⟩ ⟨w34⟩ ⟨a20⟩ ⟨a10⟩ ⟨a11⟩ ⟨a13⟩ ⟨a02⟩ ⟨a08⟩ ⟨w16⟩ ⟨w21⟩ ⟨a11⟩ ⟨w06⟩ | ⟨w06⟩ ⟨w04⟩ ⟨a02⟩ ⟨w34⟩ ⟨a20⟩ ⟨a10⟩ ⟨a11⟩ ⟨a13⟩ ⟨a02⟩ ⟨a08⟩ ⟨w16⟩ ⟨w21⟩ ⟨a11⟩ ⟨w06⟩ | SOUND THE TRUMPETS | babington | babington | nomenclator | {
"type": "seed",
"value": "ELIZABETH"
} | expert | en | 70 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0009330 | AENHTTELYTINEGPPXRTYCOESPUMBDREATULOERXTCMVRIASEOEXIOPWSRXSRNSDBYUTXIFKRENTHLBRTOIAEXHAXTMANWEOBHOKOLD | AENHTTELYTINEGPPXRTYCOESPUMBDREATULOERXTCMVRIASEOEXIOPWSRXSRNSDBYUTXIFKRENTHLBRTOIAEXHAXTMANWEOBHOKOLD | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY TODAY | double_transposition | double_transposition | null | {
"key1": "JUSTICE",
"key2": "DRAGON"
} | hard | en | 102 | 102 | synthetic_educational | null | null | [] | |
monoalphabetic-390 | MPEEX PQ YPVG | MPEEX PQ YPVG | RALLY AT DAWN | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "POLYBIUS"
} | beginner | en | 11 | 13 | cipher_museum | 0.2 | public | null | null |
cda-0006980 | HJUWS WOJIU MTBUS GIRJX NZWZF DRTPR XUXVB NMEUB BRHPH MIBNX NGYSG ZEWJZ XJDTQ AQTQE VVUMA CSKTI KQONT N | HJUWS WOJIU MTBUS GIRJX NZWZF DRTPR XUXVB NMEUB BRHPH MIBNX NGYSG ZEWJZ XJDTQ AQTQE VVUMA CSKTI KQONT N | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | trithemius | trithemius | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [] | |
geheimschreiber-v2-0314 | VZTFLBSSGTVHVCOHZQUHFZKWGIDDVSXOOQMJBPCMLHUHYTOAHUABEYXGYDJMEDFKOLFECICFKNKPT | VZTFLBSSGTVHVCOHZQUHFZKWGIDDVSXOOQMJBPCMLHUHYTOAHUABEYXGYDJMEDFKOLFECICFKNKPT | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-027 | FTQFDMBUEEQF | FTQFDMBUEEQF | THE TRAP IS SET | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "YEOKHAK"
} | beginner | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0015057 | 806 800 812 855 801 851 999 856 821 824 815 858 812 809 999 857 821 813 999 800 833 846 822 802 804 813 859 999 803 874 999 858 822 852 813 812 999 845 842 855 824 857 825 844 841 856 999 859 821 813 999 825 839 809 812 870 999 844 817 999 808 842 824 839 807 826 809 813 840 806 814 999 825 855 999 801 999 860 856 812 ... | 806 800 812 855 801 851 999 856 821 824 815 858 812 809 999 857 821 813 999 800 833 846 822 802 804 813 859 999 803 874 999 858 822 852 813 812 999 845 842 855 824 857 825 844 841 856 999 859 821 813 999 825 839 809 812 870 999 844 817 999 808 842 824 839 807 826 809 813 840 806 814 999 825 855 999 801 999 860 856 812 ... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE INDEX OF COINCIDENCE IS A USEFUL CLUE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | culper_ring | culper_ring | null | {} | hard | en | 120 | 120 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
copiale-v2-0038 | K3 N2 R8 R1 G6 A4 A6 N3 R1 G7 C4 O6 L5 P3 A4 B1 L1 A3 T0 C4 U4 Z1 | K3 N2 R8 R1 G6 A4 A6 N3 R1 G7 C4 O6 L5 P3 A4 B1 L1 A3 T0 C4 U4 Z1 | FLEET ASSEMBLES AT HARBOR | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 44 | 65 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0387 | VUIURYUCKBUJTOKW | VUIURYUCKBUJTOKW | THE HARBOR IS CLEAR | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
beaufort-it-007 | TLAJXOXGBASHCGWLJWZMUK | TLAJXOXGBASHCGWLJWZMUK | ITALIA UNA E INDIVISIBILE | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | it | 22 | 22 | cipher_museum | 0.2 | public | null | null |
cda-0017729 | YVMEIHIIAOUESKSOZOOGZLUIDDWSZUSXBHYSPVGGGMWCSSMY | YVMEIHIIAOUESKSOZOOGZLUIDDWSZUSXBHYSPVGGGMWCSSMY | AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | one_time_pad | one_time_pad | null | {} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
affine-es-031 | VIJCMIQAU CV EV QIP XC WMVAPIVSWI RISWI WULIU XC SAVASWQWCVZA | VIJCMIQAU CV EV QIP XC WMVAPIVSWI RISWI WULIU XC SAVASWQWCVZA | NAVEGAMOS EN UN MAR DE IGNORANCIA HACIA ISLAS DE CONOCIMIENTO | affine | affine | substitution | {
"type": "keyword",
"value": "5,8"
} | beginner | es | 52 | 61 | cipher_museum | 0.2 | public | null | null |
cda-0018037 | 27 40 72 62 48 96 87 27 70 21 30 82 50 43 66 46 41 63 82 25 68 33 58 81 43 67 14 60 93 60 87 27 99 1 39 11 72 67 48 86 58 26 70 24 63 32 67 96 59 21 93 15 46 34 2 11 91 58 32 35 60 32 58 33 52 23 11 48 58 79 23 11 21 82 34 23 61 14 96 52 33 11 59 24 15 61 34 33 36 32 22 99 21 41 82 99 1 96 92 11 59 11 35 1 15 3 23 79 2... | 27 40 72 62 48 96 87 27 70 21 30 82 50 43 66 46 41 63 82 25 68 33 58 81 43 67 14 60 93 60 87 27 99 1 39 11 72 67 48 86 58 26 70 24 63 32 67 96 59 21 93 15 46 34 2 11 91 58 32 35 60 32 58 33 52 23 11 48 58 79 23 11 21 82 34 23 61 14 96 52 33 11 59 24 15 61 34 33 36 32 22 99 21 41 82 99 1 96 92 11 59 11 35 1 15 3 23 79 2... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | homophonic | homophonic | null | {} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0015626 | KNIFE ENEMY RANGE CROSS KNOWN HENCE ORDER FORCE FRONT SHORE POSTS RAIDS INTEL NEEDS CARRY ISSUE POINT LIGHT ENTER SHORE AMONG YOUNG SEEKS THREE HEAVY | KNIFE ENEMY RANGE CROSS KNOWN HENCE ORDER FORCE FRONT SHORE POSTS RAIDS INTEL NEEDS CARRY ISSUE POINT LIGHT ENTER SHORE AMONG YOUNG SEEKS THREE HEAVY | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | 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. |
sigaba-v2-0181 | BHZPFCIOPOOOBFIILEYQCVAKDELPJNCFDNWIZEKJTEJHBLMAJAFXRWWFNPSMHKXMOIDNZMXBJPI | BHZPFCIOPOOOBFIILEYQCVAKDELPJNCFDNWIZEKJTEJHBLMAJAFXRWWFNPSMHKXMOIDNZMXBJPI | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
cda-0011537 | OWOFTTMQTHGXQPSZMUEHJTHOKTAMBPNGIAMBP | OWOFTTMQTHGXQPSZMUEHJTHOKTAMBPNGIAMBP | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | autokey | autokey | null | {
"primer": "LIBRARY"
} | medium | en | 37 | 37 | synthetic_educational | null | null | [] | |
cda-0015761 | AABAA BAAAA BAAAA ABBAB BAAAA AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA ABBAA AAABB AAABB AABAA BAABA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA BAAAA AABAA AABAB BAABB ABBAA AAABB AAAAA ABABB AABAA ABBAA BAABA AAAAA ABABA BAABA ABBAB BAAAB AABAA AAABA BAABB BAAAA AABAA BAAAB BABBA BAAAB BAABA AA... | AABAA BAAAA BAAAA ABBAB BAAAA AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA ABBAA AAABB AAABB AABAA BAABA AABAA AAABA BAABA ABAAA ABBAB ABBAA AAAAA BAAAA AABAA AABAB BAABB ABBAA AAABB AAAAA ABABB AABAA ABBAA BAABA AAAAA ABABA BAABA ABBAB BAAAB AABAA AAABA BAABB BAAAA AABAA BAAAB BABBA BAAAB BAABA AA... | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ALWAYS | bacon_cipher | bacon_cipher | null | {} | hard | en | 1,085 | 1,085 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
null-cipher-022 | and word about its they for usra right then help each right out right did each right sentence | and word about its they for usra right then help each right out right did each right sentence | AWAIT FURTHER ORDERS | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "first"
} | advanced | en | 76 | 93 | cipher_museum | 0.2 | public | null | null |
chinese-telegraph-v3-0230 | 4361 4427 4154 4361 4934 4427 4998 5563 4427 4871 4871 4998 5060 5563 4154 4871 4427 5488 | 4361 4427 4154 4361 4934 4427 4998 5563 4427 4871 4871 4998 5060 5563 4154 4871 4427 5488 | DEAD MEN TELL NO TALES | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 72 | 89 | cipher_museum | 2.0 | public | null | null |
diana-v2-0636 | QNOEIKMBCLPXZ | QNOEIKMBCLPXZ | THE PASS IS HELD | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0245 | EQT ETMTFUKJT GTBTWMF | EQT ETMTFUKJT GTBTWMF | THE TELESCOPE REVEALS | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 19 | 21 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0482 | GDGWEETRIEINHOOALDECTECIERRHGUMPAAEHTYALMSGTTTSNEUIXHNHAAONIOIEMTRGSFURHAR | GDGWEETRIEINHOOALDECTECIERRHGUMPAAEHTYALMSGTTTSNEUIXHNHAAONIOIEMTRGSFURHAR | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0355 | PURCHDHEBREABU | PURCHDHEBREABU | STORM THE BREACH | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0003 | VCDL KYZ XCQ PIUEQ UX CXL MYA | VCDL KYZ XCQ PIUEQ UX CXL MYA | ROME WAS NOT BUILT IN ONE DAY | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 23 | 29 | cipher_museum | 2.0 | public | null | null |
cda-0016704 | WOL-LA-CHEE / THAN-ZIE / GAH / WOL-LA-CHEE / TSAH / DIBEH / CLA-GI-AIH / WOL-LA-CHEE / GAH / DZEH / TSAH / THAN-ZIE / THAN-ZIE / A-KHA / A-KHA / DIBEH-YAZZIE / DIBEH / LIN / A-KHA / NO-DA-IH / DIBEH-YAZZIE / BE / DIBEH / LIN /... | WOL-LA-CHEE / THAN-ZIE / GAH / WOL-LA-CHEE / TSAH / DIBEH / CLA-GI-AIH / WOL-LA-CHEE / GAH / DZEH / TSAH / THAN-ZIE / THAN-ZIE / A-KHA / A-KHA / DIBEH-YAZZIE / DIBEH / LIN / A-KHA / NO-DA-IH / DIBEH-YAZZIE / BE / DIBEH / LIN /... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS CAREFULLY | navajo_code | navajo_code | null | {} | hard | en | 215 | 215 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
null-cipher-052 | aeia new ioua outi out of nsru over most much come for to their did live other this | aeia new ioua outi out of nsru over most much come for to their did live other this | AWAIT FURTHER ORDERS | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "last"
} | advanced | en | 66 | 83 | cipher_museum | 0.2 | public | null | null |
adfgvx-v2-0507 | DDAFXFVGFDAVDDVDXFFGFA | DDAFXFVGFDAVDDVDXFFGFA | HOLD THE LINE | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0015996 | DTFS BYRV QNFC ZWER VVZD OZCV LFGC CDIP NXFG SMBU SSRC WPLM GUME EBPJ RFGZ GVIF WZTU QYJA XEKW PRLK UGMI TIRH WYTR WGUO DXQC MRKF LRBD NVRH YCIE EIAK XPIG LIMW JBRZ WRWA ZGAX IGXA MZYM SGZB GXQO UKQQ TYED AVBS LIVT XWST TE | DTFS BYRV QNFC ZWER VVZD OZCV LFGC CDIP NXFG SMBU SSRC WPLM GUME EBPJ RFGZ GVIF WZTU QYJA XEKW PRLK UGMI TIRH WYTR WGUO DXQC MRKF LRBD NVRH YCIE EIAK XPIG LIMW JBRZ WRWA ZGAX IGXA MZYM SGZB GXQO UKQQ TYED AVBS LIVT XWST TE | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION A STRONG CLAIM NEEDS STRONG EVIDENCE | running_key | running_key | null | {} | hard | en | 178 | 178 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0011093 | TEINUCTESTITILDSOGHXNCSLRAUANROCITTAEOCEEUOSNIAINLSUANIFIIFEPUCNDBFOARSXNCDSUEYRETIUASPELXDOEALNMERYSTIEONOX | TEINUCTESTITILDSOGHXNCSLRAUANROCITTAEOCEEUOSNIAINLSUANIFIIFEPUCNDBFOARSXNCDSUEYRETIUASPELXDOEALNMERYSTIEONOX | THE INDEX OF COINCIDENCE IS A USEFUL CLUE ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION FAIL CLOSED IS A POSTURE NOT A SLOGAN | scytale | scytale | null | {
"cols": 6
} | hard | en | 108 | 108 | synthetic_educational | null | null | [] | |
enigma-v2-1161 | VCDHOVNQEWOXX | VCDHOVNQEWOXX | HONOR ABOVE ALL | enigma | enigma | machine | {
"type": "rotor_start",
"value": "ZZA"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0003394 | REEBE PBEERPGVBA NAQ QRGRPGVBA NER SHAQNZRAGNY GB FRPHER FLFGRZF | REEBE PBEERPGVBA NAQ QRGRPGVBA NER SHAQNZRAGNY GB FRPHER FLFGRZF | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 56 | 56 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
lorenz-v3-0130 | TAXATIONWITHOUTREPRESENRATION | TAXATIONWITHOUTREPRESENRATION | TAXATION WITHOUT REPRESENTATION | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
cda-0013731 | 76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43 50... | 76 80 82 72 59 82 29 52 43 68 29 68 57 43 61 50 61 52 68 29 80 82 95 82 68 57 89 82 68 55 52 50 65 36 82 80 61 69 65 82 29 61 69 59 80 52 82 66 69 69 57 61 68 57 57 69 89 50 29 11 82 65 82 29 11 82 29 66 95 82 80 50 76 50 52 68 66 50 69 29 82 29 66 80 69 65 43 77 82 68 61 59 80 82 61 59 29 52 82 80 66 68 50 29 66 43 50... | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | wallis_cipher | wallis_cipher | null | {} | hard | en | 121 | 121 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
cda-0012411 | .. ... .. .... ... . ... . . ... .. .... ... ..... .. ... . ..... .... .. .... ..... .... ... . ..... .... ... ... . .. .... ... ... . ..... . . .... .. . . ... . .. .. . ..... . .. .... .. . . .... .... ... .... . ..... ... ... . ... .... .. ..... .... ... ..... .... .... . .. ... ... | .. ... .. .... ... . ... . . ... .. .... ... ..... .. ... . ..... .... .. .... ..... .... ... . ..... .... ... ... . .. .... ... ... . ..... . . .... .. . . ... . .. .. . ..... . .. .... .. . . .... .... ... .... . ..... ... ... . ... .... .. ..... .... ... ..... .... .... . .. ... ... | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | tap_code | tap_code | null | {} | hard | en | 99 | 99 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
cda-0018383 | VQBQ VWTZ DFJX FETO ETOQ FLAB MPMM TWPC ILUM ZPSI PXNB RPWZ IELS BAIA QMNN FYEL YSIG GW | VQBQ VWTZ DFJX FETO ETOQ FLAB MPMM TWPC ILUM ZPSI PXNB RPWZ IELS BAIA QMNN FYEL YSIG GW | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER CAREFULLY | one_time_pad | one_time_pad | null | {} | medium | en | 70 | 70 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
alberti-disk-v2-0405 | RMOMBUGNWIGOM | RMOMBUGNWIGOM | HONOR ABOVE ALL | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
typex-v2-0068 | NRQTUQKNHQUXFZSNVGMLHWPIEHGMNJNVJXHDWSACLNZMOEUOZPCBQJOCLGQFKJTUPFQVTBXMDUKW | NRQTUQKNHQUXFZSNVGMLHWPIEHGMNJNVJXHDWSACLNZMOEUOZPCBQJOCLGQFKJTUPFQVTBXMDUKW | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0394 | KHZORPEUISIVIPCREO | KHZORPEUISIVIPCREO | LOWER THE DRAWBRIDGE | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0240 | SSCURXSSIYGRJKHROBRSAVECCVHTSSAQSAOUQDCCCFCPRXUWCQDSAVHDOQLKUJYAUCHRYATOVMWFJJGCHMWPASZWZKOCNDUHMWFBILRISSHTAVABWSIJHTUCIOYOVCLRHOHTJKSSINGDIJCYWSIJHBARYOIOUFGC | SSCURXSSIYGRJKHROBRSAVECCVHTSSAQSAOUQDCCCFCPRXUWCQDSAVHDOQLKUJYAUCHRYATOVMWFJJGCHMWPASZWZKOCNDUHMWFBILRISSHTAVABWSIJHTUCIOYOVCLRHOHTJKSSINGDIJCYWSIJHBARYOIOUFGC | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
vic-v3-0121 | 9088468991884791881480834884 | 9088468991884791881480834884 | TREASURE BURIED HERE | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 28 | 28 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0008 | EEANETSMYNORERTTRH | EEANETSMYNORERTTRH | ENEMY RETREATS NORTH | stager_route | stager_route | transposition | {
"type": "integer",
"value": 9
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0283 | 168 154 125 166 125 118 125 166 123 125 | 168 154 125 166 125 118 125 166 123 125 | VENI VIDI VICI | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 30 | 39 | cipher_museum | 2.0 | public | null | null |
cda-0014636 | daily opens notes often troop carry other needs front upper seeks extra other broad front upper seeks cause after track incur opens north where issue | daily opens notes often troop carry other needs front upper seeks extra other broad front upper seeks cause after track incur opens north where issue | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | 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. |
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