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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
playfair-v2-0103 | HCOCWDEMWKAUTMSOHPUKOCLCCEINOSOKELQNIOXLUFLCPFLZCOATVCUCHRQMTNUGPLLVAQIZAHPNEBAUBKRM | HCOCWDEMWKAUTMSOHPUKOCLCCEINOSOKELQNIOXLUFLCPFLZCOATVCUCHRQMTNUGPLLVAQIZAHPNEBAUBKRM | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0013623 | 63 45 39 92 27 96 63 88 2 67 48 91 93 21 87 66 63 88 22 34 11 14 50 23 4 14 39 91 93 63 39 23 2 39 63 88 1 67 23 25 50 94 59 61 60 11 61 82 49 39 35 96 26 43 48 64 66 43 27 63 45 11 25 14 3 22 70 72 91 82 11 30 45 24 2 70 91 94 33 63 30 1 92 61 27 93 3 87 59 63 88 48 34 23 15 87 34 41 63 60 50 63 82 49 34 11 76 61 30 3... | 63 45 39 92 27 96 63 88 2 67 48 91 93 21 87 66 63 88 22 34 11 14 50 23 4 14 39 91 93 63 39 23 2 39 63 88 1 67 23 25 50 94 59 61 60 11 61 82 49 39 35 96 26 43 48 64 66 43 27 63 45 11 25 14 3 22 70 72 91 82 11 30 45 24 2 70 91 94 33 63 30 1 92 61 27 93 3 87 59 63 88 48 34 23 15 87 34 41 63 60 50 63 82 49 34 11 76 61 30 3... | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS FAIL CLOSED IS A POSTURE NOT A SLOGAN THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | homophonic | homophonic | null | {} | hard | en | 129 | 129 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
adfgx-v2-0215 | XGGFAXAGAGAXFXDAAXFXAAAXDADGDFXADXDADAAGDAFFGDFAFGXAFAAXGXXDFAGGXADAAXAAGXDAGAGAGXAXAXFADFDGADAAGXDAXAAXDAXFGAAFAAAAGAGGGXFXAXXAFDGDXGAXXAAXAGXGXDAXGADXXF | XGGFAXAGAGAXFXDAAXFXAAAXDADGDFXADXDADAAGDAFFGDFAFGXAFAAXGXXDFAGGXADAAXAAGXDAGAGAGXAXAXFADFDGADAAGXDAXAAXDAXFGAAFAAAAGAGGGXFXAXXAFDGDXGAXXAAXAGXGXDAXGADXXF | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
adfgx-247 | FFFADDXFFGGDAGGDAADDDXAFDD | FFFADDXFFGGDAGGDAADDDXAFDD | THE KING IS DEAD | adfgx | adfgx | fractionation | {
"polybius": "KEYWORD",
"columnar": "TRAFIC"
} | advanced | en | 26 | 26 | cipher_museum | 0.2 | public | null | null |
cda-0017958 | 14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24 34 33 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24... | 14 34 33 34 44 13 34 33 21 45 43 15 34 12 21 45 43 13 11 44 24 34 33 52 24 44 23 15 33 13 42 54 35 44 24 34 33 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33 44 23 15 51 24 22 15 33 15 42 15 13 24 35 23 15 42 45 43 15 43 11 42 15 35 15 11 44 24... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE VIGENERE CIPHER USES A REPEATING KEYWORD | polybius | polybius | null | {} | hard | en | 116 | 116 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
homophonic-v3-0006 | 41 72 58 22 39 83 72 64 58 27 10 22 | 41 72 58 22 39 83 72 64 58 27 10 22 | GOLD FROM LEAD | homophonic | homophonic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 24 | 35 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-0407 | LAKZMBTABIZVUJRITKWFP | LAKZMBTABIZVUJRITKWFP | PATIENCE BRINGS VICTORY | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
porta-v2-0661 | BRGVDPQPINWV | BRGVDPQPINWV | VENI VIDI VICI | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PAPAL"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0054 | TNTEDIHGERHFVOMHNENCOEOIOETGOIEFTHLGNOANHSYRPIRTNTLTSRIMSOOOALYAUFDL | TNTEDIHGERHFVOMHNENCOEOIOETGOIEFTHLGNOANHSYRPIRTNTLTSRIMSOOOALYAUFDL | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 7
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0179 | HFIVQWCZSEWNIDSFBNDFIKSJARIZGJRRGZXYHZQEBUADILXDDDWPQNIDGWIPQZVWWZCUKMQUL | HFIVQWCZSEWNIDSFBNDFIKSJARIZGJRRGZXYHZQEBUADILXDDDWPQNIDGWIPQZVWWZCUKMQUL | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v2-0053 | MVMUGNWZKMAZMXWZBMLUWDQVOBWEIZLOMBBGAJCZOKIDITZGPIAKWVNQZUMLBPMNCTTAQOPBQVO | MVMUGNWZKMAZMXWZBMLUWDQVOBWEIZLOMBBGAJCZOKIDITZGPIAKWVNQZUMLBPMNCTTAQOPBQVO | ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
hill-158 | HVHUBMBEONRISESTFYJJLGLIUUSLUHFYQDZSSYYWIRYJXR | HVHUBMBEONRISESTFYJJLGLIUUSLUHFYQDZSSYYWIRYJXR | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | hill | hill | polygraphic | {
"a": 2,
"b": 3,
"c": 1,
"d": 4
} | advanced | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
sigaba-224 | VUBJRYWJGUTLTMDFNKSRIKEDINKYHZPMIYIVKFQMMFBXFGHLCJEMQXTTR | VUBJRYWJGUTLTMDFNKSRIKEDINKYHZPMIYIVKFQMMFBXFGHLCJEMQXTTR | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | sigaba | sigaba | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
solitaire-v2-0077 | KOVHCQIAJUJTXJLJTFSRRTIYJRZTYPSPKDCNPIBZTVAPYFSCKVOTRJVYQUXOSONDHNZIXNMYGMYIJ | KOVHCQIAJUJTXJLJTFSRRTIYJRZTYPSPKDCNPIBZTVAPYFSCKVOTRJVYQUXOSONDHNZIXNMYGMYIJ | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0227 | ETRDMSEUZELLHTABTSUELUEEUACSUEEHZUTRNCRISBRSHLZTLENCTLTEDDWDNWHZIANRNEDNMTSSU | ETRDMSEUZELLHTABTSUELUEEUACSUEEHZUTRNCRISBRSHLZTLENCTLTEDDWDNWHZIANRNEDNMTSSU | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | double_transposition | double_transposition | transposition | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0020 | SOQXTJKDQVQJDKLBJSCVNT | SOQXTJKDQVQJDKLBJSCVNT | EXTRACTION POINT CHANGED | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0268 | VXQIAHFCFKBEZGGTDRYEKBYPLAEIBHMKTEOXODMTWHSDVKRUWLFOPIHGTXAVJHLJJKMZYXTHAR | VXQIAHFCFKBEZGGTDRYEKBYPLAEIBHMKTEOXODMTWHSDVKRUWLFOPIHGTXAVJHLJJKMZYXTHAR | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0306 | 06 15 18 09 11 14 15 23 60 20 08 15 21 07 08 20 19 20 08 01 20 09 20 08 09 14 11 20 15 23 01 18 04 25 15 21 19 01 09 20 08 60 12 15 18 04 20 08 15 21 07 08 20 19 62 16 05 01 03 05 61 14 15 20 62 05 22 09 12 63 07 09 22 05 25 15 21 01 14 05 24 16 05 03 20 05 04 05 14 04 20 08 05 14 19 08 01 12 12 25 05 03 01 12 12 21 16... | 06 15 18 09 11 14 15 23 60 20 08 15 21 07 08 20 19 20 08 01 20 09 20 08 09 14 11 20 15 23 01 18 04 25 15 21 19 01 09 20 08 60 12 15 18 04 20 08 15 21 07 08 20 19 62 16 05 01 03 05 61 14 15 20 62 05 22 09 12 63 07 09 22 05 25 15 21 01 14 05 24 16 05 03 20 05 04 05 14 04 20 08 05 14 19 08 01 12 12 25 05 03 01 12 12 21 16... | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 290 | 434 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0712 | HUTFKFEFLMINWGFPPLHXOW | HUTFKFEFLMINWGFPPLHXOW | BRIDGE DESTROYED AT DAWN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
double-transposition-097 | EIEIHTDGKIAMRTPIDOBEYYRENASALMRRHEVTEGIVEC | EIEIHTDGKIAMRTPIDOBEYYRENASALMRRHEVTEGIVEC | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | double_transposition | double_transposition | transposition | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
adfgvx-v3-0112 | AVDVFGAFGAFGAFAFAGAGDAGGDGAXAXDG | AVDVFGAFGAFGAFAFAGAGDAGGDGAXAXDG | THE SENATE DECREES | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 32 | 32 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0286 | XDAFFFADXFDAVGVAAADFFDVAVDXGGFXAFAADFDADXFDDGVGXAXFFAAGAAAFXDFDGAVDXGDAADDFVGFAXFDGGAVDXADGDGXDXGDFAAXFGFXAFADDFVDFGDAAAXDAADDAAGDADVDAFADADADAAGDXDADXA | XDAFFFADXFDAVGVAAADFFDVAVDXGGFXAFAADFDADXFDDGVGXAXFFAAGAAAFXDFDGAVDXGDAADDFVGFAXFDGGAVDXADGDGXDXGDFAAXFGFXAFADDFVDFGDAAAXDAADDAAGDADVDAFADADADAAGDXDADXA | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0350 | VAPOGOVCIQYETAGNMEWOUNSIVOBHIDAXOTEFSIEPBOUVOCVHUNQYTPONYULNIUSGIWVIXNOBPOGVOR | VAPOGOVCIQYETAGNMEWOUNSIVOBHIDAXOTEFSIEPBOUVOCVHUNQYTPONYULNIUSGIWVIXNOBPOGVOR | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0473 | YYIGLDTXYHKAZDEJLVNOJTWLOTPRHREBREMGGBAEUMJMIACFRRBASRRPEIJUHVVICKCULZVGTTUXSRRILA | YYIGLDTXYHKAZDEJLVNOJTWLOTPRHREBREMGGBAEUMJMIACFRRBASRRPEIJUHVVICKCULZVGTTUXSRRILA | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0006880 | GUR SBHE FDHNER PVCURE HFRF GJB XRLJBEQ CBYLOVHF FDHNERF BCRA FBHEPR GBBYF NYYBJ VAQRCRAQRAG IREVSVPNGVBA | GUR SBHE FDHNER PVCURE HFRF GJB XRLJBEQ CBYLOVHF FDHNERF BCRA FBHEPR GBBYF NYYBJ VAQRCRAQRAG IREVSVPNGVBA | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 91 | 91 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
m209-v2-0359 | AOJNLDPKAFOBLBFZQFYCLLDZOPKMZENXYMLBLOKXWIAPLJWOQLWXLBRRKWOZPLEQXJPDMUMQAOQBCWIZBXPTWBAMLCDQZAZZVACJACLQLZYQMOMQJWKVMRMVCJESSRBQFLBALZDKZAANIDR | AOJNLDPKAFOBLBFZQFYCLLDZOPKMZENXYMLBLOKXWIAPLJWOQLWXLBRRKWOZPLEQXJPDMUMQAOQBCWIZBXPTWBAMLCDQZAZZVACJACLQLZYQMOMQJWKVMRMVCJESSRBQFLBALZDKZAANIDR | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
m94-138 | VMVUSSBIXIGLBTLY | VMVUSSBIXIGLBTLY | BURN AFTER READING | m94 | m94 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
adfgvx-v2-0241 | GVDGAVFVAXFDADAAAVDGAFAVADGGDGAVAXFFGDAXGXFVFDAGDFAGADAVDGAAGAADFAAGAXAFGGAVAGADDGDADVAVADDAGAAAGGXFGFADXAXAGFGADGXDGDFDADAAGAFADDDFGAGAVDDXDGAFFVAVAVDXFAGVDXFGDFFDDGFDAFAADGFDDVDXAAFDAGAGGGFGFVFGGFADFVAGAXGDAXGGDGADDXAADVAVFAGGDVFDGFVAAAGAXDGDDADDAGXAGDVGFAADDDAAFDVFDAFFGADFAADDFAVAXDXADFAAVADFVDDFGDDDVFGAXDDDVAGDFDGA... | GVDGAVFVAXFDADAAAVDGAFAVADGGDGAVAXFFGDAXGXFVFDAGDFAGADAVDGAAGAADFAAGAXAFGGAVAGADDGDADVAVADDAGAAAGGXFGFADXAXAGFGADGXDGDFDADAAGAFADDDFGAGAVDDXDGAFFVAVAVDXFAGVDXFGDFFDDGFDAFAADGFDDVDXAAFDAGAGGGFGFVFGGFADFVAGAXGDAXGGDGADDXAADVAVFAGGDVFDGFVAAAGAXDGDDADDAGXAGDVGFAADDDAAFDVFDAFFGADFAADDFAVAXDXADFAAVADFVDDFGDDDVFGAXDDDVAGDFDGA... | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 322 | 322 | cipher_museum | 2.0 | public | null | null |
diana-v2-0690 | IJEFFKIFUZTVZLFUBBPVARQSCEGXJBKFDXASWEZDONQNOQEXAWCOFDOKSMAIIPBWUZLUP | IJEFFKIFUZTVZLFUBBPVARQSCEGXJBKFDXASWEZDONQNOQEXAWCOFDOKSMAIIPBWUZLUP | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
cda-0015357 | K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L Γ· X ⌐ X· X L ⌐· X· └ r └ X· L 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 ┌· r ┐ r· ┘· ⌐· ⌐· X ┐· ┌· Γ· ─ r Γ· ┐· └ L X ⌐ ⌒· X K r· L X ⌒· X K L ┌ ┌ X· X K ¬ L X L r X· ┌· L L K·... | K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L Γ· X ⌐ X· X L ⌐· X· └ r └ X· L 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 ┌· r ┐ r· ┘· ⌐· ⌐· X ┐· ┌· Γ· ─ r Γ· ┐· └ L X ⌐ ⌒· X K r· L X ⌒· X K L ┌ ┌ X· X K ¬ L X L r X· ┌· L L K·... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | pigpen | pigpen | null | {} | medium | en | 73 | 73 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
confederate-vigenere-v2-0581 | UUKPWPJKNZSSRTGBZEYTSVRVTTFLUFJREYPGEYAJJMPLTAHRGVRZSFGNNYJRMICCKOHCFSIHGIYVQ | UUKPWPJKNZSSRTGBZEYTSVRVTTFLUFJREYPGEYAJJMPLTAHRGVRZSFGNNYJRMICCKOHCFSIHGIYVQ | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0015467 | 3 18 25 16 20 15 7 18 1 16 8 25 18 5 23 1 18 4 19 16 1 20 9 5 14 3 5 1 14 4 3 1 18 5 6 21 12 20 8 9 14 11 9 14 7 | 3 18 25 16 20 15 7 18 1 16 8 25 18 5 23 1 18 4 19 16 1 20 9 5 14 3 5 1 14 4 3 1 18 5 6 21 12 20 8 9 14 11 9 14 7 | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | aeneas_tacticus | aeneas_tacticus | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0018333 | seeks exact clear unite right input three yield clear lines array intel march shore south heavy other units lines drive basis early three eight scout | seeks exact clear unite right input three yield clear lines array intel march shore south heavy other units lines drive basis early three eight scout | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | 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. |
adfgvx-v3-0120 | DVAXGAGFGAVAXGADAAAAFFFDFGXDFDAXAA | DVAXGAGFGAVAXGADAAAAFFFDFGXDFDAXAA | ARCHERS TO THE WALLS | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0332 | FDDFAFGDGAVAFAVAAAFFAGFA | FDDFAFGDGAVAFAVAAAFFAGFA | GOLD FROM LEAD | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cda-0015686 | 60 78 76 50 36 32 82 58 22 87 49 63 94 33 58 22 15 35 34 41 63 25 50 62 49 24 34 1 63 17 43 86 66 25 94 60 78 76 63 26 39 92 67 93 14 50 1 30 63 17 82 67 48 68 50 88 45 15 48 11 68 30 92 | 60 78 76 50 36 32 82 58 22 87 49 63 94 33 58 22 15 35 34 41 63 25 50 62 49 24 34 1 63 17 43 86 66 25 94 60 78 76 63 26 39 92 67 93 14 50 1 30 63 17 82 67 48 68 50 88 45 15 48 11 68 30 92 | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS HONESTLY | homophonic | homophonic | null | {} | medium | en | 63 | 63 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
nihilist-v2-0441 | 97 46 59 65 36 75 27 59 66 47 85 38 79 43 63 65 47 59 36 34 76 25 59 33 57 84 59 67 45 57 84 47 48 36 37 87 26 66 65 57 66 25 59 35 37 97 46 59 35 47 67 37 67 72 25 75 46 58 35 63 65 59 56 33 25 67 26 80 36 24 105 25 80 35 53 66 27 48 35 65 | 97 46 59 65 36 75 27 59 66 47 85 38 79 43 63 65 47 59 36 34 76 25 59 33 57 84 59 67 45 57 84 47 48 36 37 87 26 66 65 57 66 25 59 35 37 97 46 59 35 47 67 37 67 72 25 75 46 58 35 63 65 59 56 33 25 67 26 80 36 24 105 25 80 35 53 66 27 48 35 65 | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 161 | 240 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0189 | THBTECREDFMMETYHSMTKICYNSGETYHSMSTYEAFDOPFSTLTCSCSLARCETQZOUWREZGMINQFEEAZ | THBTECREDFMMETYHSMTKICYNSGETYHSMSTYEAFDOPFSTLTCSCSLARCETQZOUWREZGMINQFEEAZ | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0017875 | HISTO RICAZ CIPHE RSARE TEACZ ERSNX TPROZ ECTIO NENTZ OPYME ASURE SUNCE RTAIN TYINX DISTR IBUTI ONTOZ AYZDX | HISTO RICAZ CIPHE RSARE TEACZ ERSNX TPROZ ECTIO NENTZ OPYME ASURE SUNCE RTAIN TYINX DISTR IBUTI ONTOZ AYZDX | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TODAY | 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-0021160 | 44 23 15 31 24 12 42 11 42 54 35 42 15 43 15 42 51 15 43 25 33 34 52 31 15 14 22 15 21 34 42 44 23 15 13 34 32 32 45 33 24 44 54 21 11 24 31 13 31 34 43 15 14 24 43 11 35 34 43 44 45 42 15 33 34 44 11 43 31 34 22 11 33 22 42 34 33 43 21 15 31 14 45 43 15 43 11 14 24 22 24 44 43 15 41 45 15 33 13 15 11 43 44 23 15 42 15... | 44 23 15 31 24 12 42 11 42 54 35 42 15 43 15 42 51 15 43 25 33 34 52 31 15 14 22 15 21 34 42 44 23 15 13 34 32 32 45 33 24 44 54 21 11 24 31 13 31 34 43 15 14 24 43 11 35 34 43 44 45 42 15 33 34 44 11 43 31 34 22 11 33 22 42 34 33 43 21 15 31 14 45 43 15 43 11 14 24 22 24 44 43 15 41 45 15 33 13 15 11 43 44 23 15 42 15... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY FAIL CLOSED IS A POSTURE NOT A SLOGAN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | polybius | polybius | null | {} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
monoalphabetic-v3-0876 | SDR PVEHWVY VPPEURQ | SDR PVEHWVY VPPEURQ | THE RAILWAY ARRIVES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "VALOR"
} | beginner | en | 17 | 19 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0020 | GKNBDPKNOBCB | GKNBDPKNOBCB | GOLD FROM LEAD | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0345 | GUDVIVOFVARWJDDCSPJDWMZEGRDEJYREKZLLZXYRAGJFXNEDJFOBOYKOPZGFLUSBWMPGPUXCYALTXVMEAW | GUDVIVOFVARWJDDCSPJDWMZEGRDEJYREKZLLZXYRAGJFXNEDJFOBOYKOPZGFLUSBWMPGPUXCYALTXVMEAW | THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v3-0124 | 90 82 85 30 41 91 90 61 55 25 27 91 90 77 63 18 33 91 | 90 82 85 30 41 91 90 61 55 25 27 91 90 77 63 18 33 91 | GOLD FROM LEAD | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 36 | 53 | cipher_museum | 2.0 | public | null | null |
cda-0014977 | 66 36 82 68 59 66 69 55 82 43 52 50 65 36 82 80 82 73 66 82 29 11 61 66 36 82 55 82 43 89 50 66 36 66 36 82 65 57 68 50 29 66 82 73 66 50 66 61 82 57 76 | 66 36 82 68 59 66 69 55 82 43 52 50 65 36 82 80 82 73 66 82 29 11 61 66 36 82 55 82 43 89 50 66 36 66 36 82 65 57 68 50 29 66 82 73 66 50 66 61 82 57 76 | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | wallis_cipher | wallis_cipher | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
fialka-v3-0361 | BWZOHTNUBUKBREVLBRZUKKKQQRWJACQRONRUHODKIVPPHZRRLYEULEDVOOOBVXEKJQSUESW | BWZOHTNUBUKBREVLBRZUKKKQQRWJACQRONRUHODKIVPPHZRRLYEULEDVOOOBVXEKJQSUESW | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0015507 | 2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19 | 2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19 | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0019928 | ⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w08⟩ ⟨w22⟩ ⟨a01⟩ ⟨w10⟩ ⟨w26⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w... | ⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w08⟩ ⟨w22⟩ ⟨a01⟩ ⟨w10⟩ ⟨w26⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w... | FAIL CLOSED IS A POSTURE NOT A SLOGAN THE VIGENERE CIPHER USES A REPEATING KEYWORD THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | babington | babington | null | {} | hard | en | 119 | 119 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
geheimschreiber-v2-0356 | HHCTQIMNONFHOKUSLQPYEZKTZTBIIIZXHUYRCXWVTUBEUWLFJTLWGUXARKSAYMEIKGZVTMZRKNKGXTHBCSFTNA | HHCTQIMNONFHOKUSLQPYEZKTZTBIIIZXHUYRCXWVTUBEUWLFJTLWGUXARKSAYMEIKGZVTMZRKNKGXTHBCSFTNA | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
cda-0008243 | CBYL OYCU OPRG VQQV CVRE FHFS ZHYG VCYN OYCV OPSG FVVS GFOG NOFU RAPB RRFP LESI REFV ATGV ROYC UONN GZBR REAR AQEL CGVB AVFA BGNE BXRA NLYR GGRE TERD HNAQ L | CBYL OYCU OPRG VQQV CVRE FHFS ZHYG VCYN OYCV OPSG FVVS GFOG NOFU RAPB RRFP LESI REFV ATGV ROYC UONN GZBR REAR AQEL CGVB AVFA BGNE BXRA NLYR GGRE TERD HNAQ L | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS ATBASH ENCODES BY REVERSING THE ALPHABET MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | porta | porta | null | {
"key": "CIPHER"
} | hard | en | 125 | 125 | synthetic_educational | null | null | [] | |
cda-0010635 | TSSNT EIPEY NITEY SRWPA WEAAE BTIST LKLOT HEEIA QETSM AHCCS BHAHE GIUEL AECOE YRUNS VAETR PMPIT ONICH OBDER KECAE SMCDH RLACT DEMEW DNUSC SWEUA FNLAA CSRSR NASTX XUUBO EHNPI LNYCR TRRHT ISROE AS | TSSNT EIPEY NITEY SRWPA WEAAE BTIST LKLOT HEEIA QETSM AHCCS BHAHE GIUEL AECOE YRUNS VAETR PMPIT ONICH OBDER KECAE SMCDH RLACT DEMEW DNUSC SWEUA FNLAA CSRSR NASTX XUUBO EHNPI LNYCR TRRHT ISROE AS | THE MESSAGE WAS HIDDEN BUT NOT SECURE CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | stager_route | stager_route | null | {
"cols": 6
} | hard | en | 162 | 162 | synthetic_educational | null | null | [] | |
cda-0013431 | AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA AABBA BAAAA ABBAB ABBAA BAAAB AABAB AABAA ABABA AAABB BAABB BAAAB AABAA BAAAB AAAAA AAABB ABAAA AA... | AAABB ABBAB ABBAA ABBAB BAABA AAABA ABBAB ABBAA AABAB BAABB BAAAB AABAA ABBAB AAAAB AABAB BAABB BAAAB AAABA AAAAA BAABA ABAAA ABBAB ABBAA BABAA ABAAA BAABA AABBB AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA AABBA BAAAA ABBAB ABBAA BAAAB AABAB AABAA ABABA AAABB BAABB BAAAB AABAA BAAAB AAAAA AAABB ABAAA AA... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY CERTAINLY | bacon_cipher | bacon_cipher | null | {} | hard | en | 450 | 450 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
sigaba-v3-0372 | ABWPZQTPYJOAPIPIXGUWGRQFRNBAUYFIXOBORZKCSTNXYKWEJAMJZBHNVVUFRTGZMKFDMKVNCX | ABWPZQTPYJOAPIPIXGUWGRQFRNBAUYFIXOBORZKCSTNXYKWEJAMJZBHNVVUFRTGZMKFDMKVNCX | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v3-0151 | MWXJHLQMVPVWITAUMDSDPVMVPFKNIFYBHIOCDAWNYHMYFAIGCFYUNKJSKCUBVIACLSMINKFSV | MWXJHLQMVPVWITAUMDSDPVMVPFKNIFYBHIOCDAWNYHMYFAIGCFYUNKJSKCUBVIACLSMINKFSV | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0347 | 5563 4614 4427 4298 4680 5166 4614 4427 5397 4361 4680 5488 4809 5814 4154 5488 4680 4998 5741 4427 4998 5563 4427 4361 4216 5963 4871 4427 5060 4998 4216 4154 5563 5563 4680 5488 5563 4154 4154 4871 4216 4427 5397 5563 4680 4154 5397 4427 4998 4154 4680 5488 5488 4154 4998 4298 4427 4154 5397 4298 4614 4680 5563 4427 ... | 5563 4614 4427 4298 4680 5166 4614 4427 5397 4361 4680 5488 4809 5814 4154 5488 4680 4998 5741 4427 4998 5563 4427 4361 4216 5963 4871 4427 5060 4998 4216 4154 5563 5563 4680 5488 5563 4154 4154 4871 4216 4427 5397 5563 4680 4154 5397 4427 4998 4154 4680 5488 5488 4154 4998 4298 4427 4154 5397 4298 4614 4680 5563 4427 ... | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 328 | 409 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0460 | BBRBQWAWKHGIKAUUEVSEZLXZUKAXRMGQJUMEFHMCVTEXNAWMBLYIJCCRERIWSJHQXIBNMZTXBVIXQFUEG | BBRBQWAWKHGIKAUUEVSEZLXZUKAXRMGQJUMEFHMCVTEXNAWMBLYIJCCRERIWSJHQXIBNMZTXBVIXQFUEG | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-119 | TOSARTTITIDRTSOIESTUIOCECRRIPCEIAFNHETTRNSENWAATLAAVMNHEMOATDREOEIJIYCONGDHFOLTOASEFEOHARNIUOICNONTEWFIATTAREAAEFTHTBFRHNUEETITOESTTLDAIOYUCACQHNCBE | TOSARTTITIDRTSOIESTUIOCECRRIPCEIAFNHETTRNSENWAATLAAVMNHEMOATDREOEIJIYCONGDHFOLTOASEFEOHARNIUOICNONTEWFIATTAREAAEFTHTBFRHNUEETITOESTTLDAIOYUCACQHNCBE | THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
kryptos-v3-0190 | XXDJYFBVKZUVFUVBFQUSPXXBFYULDEAXFTLUMPNUMSYGKHYQLUVMXDLBFICXKISVMGBXYOMFWXKILVK | XXDJYFBVKZUVFUVBFQUSPXXBFYULDEAXFTLUMPNUMSYGKHYQLUVMXDLBFICXKISVMGBXYOMFWXKILVK | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0315 | CVQDVAZVPVBMAUFMSVQPAUFWUFMDWBMFJZVYPLZVYUFWUSFVMBMQXMPJMBMZZFWPPYVUNMQJZF | CVQDVAZVPVBMAUFMSVQPAUFWUFMDWBMFJZVYPLZVYUFWUSFVMBMQXMPJMBMZZFWPPYVUNMQJZF | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0729 | HNJHOSREIKEVPFQRLFJVFTKZLEWMHGPEHBTASSUMBVVJUZWKEUCEHYVIFPRDKLRLCIPJRXJXJ | HNJHOSREIKEVPFQRLFJVFTKZLEWMHGPEHBTASSUMBVVJUZWKEUCEHYVIFPRDKLRLCIPJRXJXJ | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
morse-code-004 | .-. . -. -.. . --.. ...- --- ..- ... / .- - / -- .. -.. -. .. --. .... - | .-. . -. -.. . --.. ...- --- ..- ... / .- - / -- .. -.. -. .. --. .... - | RENDEZVOUS AT MIDNIGHT | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 51 | 72 | cipher_museum | 0.2 | public | null | null |
caesar-v3-0861 | HVS FSRQCOHG OFS QCAWBU | HVS FSRQCOHG OFS QCAWBU | THE REDCOATS ARE COMING | caesar | caesar | substitution | {
"type": "shift",
"value": 14
} | beginner | en | 20 | 23 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0066 | QHRARTNJAQHRDJNGYOQHRERPYIIYIPJAVYOGJFTIGCIJVDRGPRJAQHRHJDXJIRYOSIGRNOQTIGYIP | QHRARTNJAQHRDJNGYOQHRERPYIIYIPJAVYOGJFTIGCIJVDRGPRJAQHRHJDXJIRYOSIGRNOQTIGYIP | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0232 | NMMAATTFZCAABV7EAAA5VPIKPT5UH4MMTTLDGMWDUYADAAV622QOXVQMZAMCCU4LHOV7G4IKJLWXJIATO | NMMAATTFZCAABV7EAAA5VPIKPT5UH4MMTTLDGMWDUYADAAV622QOXVQMZAMCCU4LHOV7G4IKJLWXJIATO | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0410 | BMSGKYSISPSOH | BMSGKYSISPSOH | E PLURIBUS UNUM | bazeries | bazeries | transposition | {
"type": "integer",
"value": 41
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0120 | OPUADBJHTWUJOOHTJCWQPTLFQNAFCWQQOBJLIDQSWQDDLOPTXMSJCUEDJMVDBIDFFJBQNJDKWOFFULOPUCUHOQCXCFEWOJBEDKTFNHOFOQUCFETWUPSDQJDLDHUIFUHTXBJMXPDTDKWOFFSJCUKOBFFTLIQSLFOSDLBKUPSLBPOWUBJLJKTVVDJDCUCXMTJPFESDFCTTLIFNJIDTJOL | OPUADBJHTWUJOOHTJCWQPTLFQNAFCWQQOBJLIDQSWQDDLOPTXMSJCUEDJMVDBIDFFJBQNJDKWOFFULOPUCUHOQCXCFEWOJBEDKTFNHOFOQUCFETWUPSDQJDLDHUIFUHTXBJMXPDTDKWOFFSJCUKOBFFTLIQSLFOSDLBKUPSLBPOWUBJLJKTVVDJDCUCXMTJPFESDFCTTLIFNJIDTJOL | 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": "PALACE"
} | advanced | en | 211 | 211 | cipher_museum | 2.0 | public | null | null |
one-time-pad-v2-0176 | HAGFGLIQHTRLKJKUNWJOLUDUVADWRUKCJWFIBSFPHLOYCDKKBIGRQHPNBRBITJLDVYXLWQEGZQPOG | HAGFGLIQHTRLKJKUNWJOLUDUVADWRUKCJWFIBSFPHLOYCDKKBIGRQHPNBRBITJLDVYXLWQEGZQPOG | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0016405 | 859 822 812 999 842 839 813 999 858 824 836 812 999 846 800 811 999 825 854 999 857 822 814 843 852 814 859 824 807 800 833 833 872 999 862 840 803 852 812 802 830 800 805 835 812 999 824 817 999 860 855 813 809 999 807 843 852 852 812 808 858 834 874 999 804 812 801 861 815 842 852 857 999 824 855 999 859 823 812 999 ... | 859 822 812 999 842 839 813 999 858 824 836 812 999 846 800 811 999 825 854 999 857 822 814 843 852 814 859 824 807 800 833 833 872 999 862 840 803 852 812 802 830 800 805 835 812 999 824 817 999 860 855 813 809 999 807 843 852 852 812 808 858 834 874 999 804 812 801 861 815 842 852 857 999 824 855 999 859 823 812 999 ... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | culper_ring | culper_ring | null | {} | hard | en | 154 | 154 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0019779 | NSEQ DJCS KMHV WOHC HNEL IMFP PXZC FVVK BNAH OHGR QNTS RAYF MTFS YEAK GWKF WTZV VVVY K | NSEQ DJCS KMHV WOHC HNEL IMFP PXZC FVVK BNAH OHGR QNTS RAYF MTFS YEAK GWKF WTZV VVVY K | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | running_key | running_key | null | {} | medium | en | 69 | 69 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0016424 | BAABA AABBB AABAA ABBAB ABBAA AABAA BAABA ABAAA ABABB AABAA ABBBA AAAAA AAABB ABAAA BAAAB BAABA AABBB AABAA ABBAB BAAAA AABAA BAABA ABAAA AAABA AAAAA ABABA ABABA BABBA BAABB ABBAA AAAAB BAAAA AABAA AAAAA ABAAB AAAAA AAAAB ABABA AABAA ABAAA AABAB BAABB BAAAB AABAA AAABB AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABABA BA... | BAABA AABBB AABAA ABBAB ABBAA AABAA BAABA ABAAA ABABB AABAA ABBBA AAAAA AAABB ABAAA BAAAB BAABA AABBB AABAA ABBAB BAAAA AABAA BAABA ABAAA AAABA AAAAA ABABA ABABA BABBA BAABB ABBAA AAAAB BAAAA AABAA AAAAA ABAAB AAAAA AAAAB ABABA AABAA ABAAA AABAB BAABB BAAAB AABAA AAABB AAABA ABBAB BAAAA BAAAA AABAA AAABA BAABA ABABA BA... | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE BEST LESSONS SHOW WHERE THE METHOD FAILS | bacon_cipher | bacon_cipher | null | {} | hard | en | 455 | 455 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
slidex-v3-0055 | OQTOQJUDPWTSSSOVVCZIXVVUGIMPVPDZYSUQFLACPWTSSSOQTOQJRWWIVCZUXPBFANUZGVRWBUBIAM | OQTOQJUDPWTSSSOVVCZIXVVUGIMPVPDZYSUQFLACPWTSSSOQTOQJRWWIVCZUXPBFANUZGVRWBUBIAM | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0077 | LMPIJQMPXLYULAJPMLHXQHBINQLYBDQHZJMLHTJMPLYHBUKYLAHNLPVJMLYBDLAJHTTHUYLYHBLHRHNMTMJUJBQJ | LMPIJQMPXLYULAJPMLHXQHBINQLYBDQHZJMLHTJMPLYHBUKYLAHNLPVJMLYBDLAJHTTHUYLYHBLHRHNMTMJUJBQJ | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0006481 | CTESN EENRR KIPYE EAGTB SHLYU SNWAO HNASA AWRSB PBSRB XINND IMCPR OTAAA TREPO YPUXE NCARS EIUDL XHTAI STISS NEQSR HANHB ATIIE EYETM IISUX CCSTL DDITO LPOSB ILTOU PEXEI RCSYB FOPTM TATOO RATSO X | CTESN EENRR KIPYE EAGTB SHLYU SNWAO HNASA AWRSB PBSRB XINND IMCPR OTAAA TREPO YPUXE NCARS EIUDL XHTAI STISS NEQSR HANHB ATIIE EYETM IISUX CCSTL DDITO LPOSB ILTOU PEXEI RCSYB FOPTM TATOO RATSO X | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION CERTAINLY | double_transposition | double_transposition | null | {
"key1": "SECURE",
"key2": "PATTERN"
} | hard | en | 161 | 161 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
adfgvx-v3-0430 | FADADDDVXXAFGGDGAAVXVDXVVDFVFVFAAAAD | FADADDDVXXAFGGDGAAVXVDXVVDFVFVFAAAAD | LOWER THE DRAWBRIDGE | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 36 | 36 | cipher_museum | 2.0 | public | null | null |
hill-v2-0248 | VGKIMKJSFCDYNIYXJSANRXFPGWBEHMTLLYDNXEJSQPMKIBLPJFKSPKKWVPRFBDEMZYKORFOUAMPZYGXXJOUBLYKSJBBXRHUIBMMIMKIBKMCRZVGSMCHMNNJBRGPEGWPKHIVGFPJICRBVTGRXKWWBQORJ | VGKIMKJSFCDYNIYXJSANRXFPGWBEHMTLLYDNXEJSQPMKIBLPJFKSPKKWVPRFBDEMZYKORFOUAMPZYGXXJOUBLYKSJBBXRHUIBMMIMKIBKMCRZVGSMCHMNNJBRGPEGWPKHIVGFPJICRBVTGRXKWWBQORJ | 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 | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v2-0001 | LAJIYJYUQPUL | LAJIYJYUQPUL | THE DIE IS CAST | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
vernam-v3-0089 | HKQVPYMVCIBMLQZPWYYDACT | HKQVPYMVCIBMLQZPWYYDACT | ROME WAS NOT BUILT IN ONE DAY | vernam | vernam | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
porta-v3-0322 | FTLREAOCTRRPIELR | FTLREAOCTRRPIELR | PER ASPERA AD ASTRA | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0019726 | 20 8 5 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 9 19 1 21 19 5 6 21 12 3 12 21 5 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 1... | 20 8 5 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 9 19 1 21 19 5 6 21 12 3 12 21 5 2 5 1 21 6 15 18 20 9 19 20 8 5 18 5 3 9 16 18 15 3 1 12 15 6 22 9 7 5 14 5 18 5 1 14 4 4 5 3 18 25 16 20 19 9 20 19 5 12 6 3 15 12 21 13 14 1 18 20 18 1 14 19 16 15 19 9 20 9 15 14 18 5 1 4 19 3 15 12 21 13 14 19 9 14 11 5 25 15 18 4 5 1... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0021795 | 00346 4110 4710 01314 1666 03859 01023 00346 04409 00993 3776 0377 06052 06063 2867 01972 7942 05049 0332 06366 6337 1651 5665 04449 5983 00643 06630 06324 2892 6362 01022 00395 04396 0333 3840 06048 4758 0707 01652 7295 5679 4733 4428 02232 6331 02604 1578 0350 05714 01020 2586 02854 6378 01617 0975 06321 06684 05732 ... | 00346 4110 4710 01314 1666 03859 01023 00346 04409 00993 3776 0377 06052 06063 2867 01972 7942 05049 0332 06366 6337 1651 5665 04449 5983 00643 06630 06324 2892 6362 01022 00395 04396 0333 3840 06048 4758 0707 01652 7295 5679 4733 4428 02232 6331 02604 1578 0350 05714 01020 2586 02854 6378 01617 0975 06321 06684 05732 ... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE ARCHITECTURE SHOULD MAKE MISUSE HARDER FAIL CLOSED IS A POSTURE NOT A SLOGAN | zimmermann | zimmermann | null | {} | hard | en | 111 | 111 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0016215 | LLELBFGWXBJPDTMWIJSDALEQRTPGDQHXNLEEF | LLELBFGWXBJPDTMWIJSDALEQRTPGDQHXNLEEF | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | one_time_pad | one_time_pad | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
kl7-v3-0204 | YLPYQLRPEGHSXXNLXPXFSBRNLOWRRQEQDGLSCJQSVQVDTEFNEHNCCLXDMNLSMMPVSDKWSYIROQBNVMDPLXPJEKVXCZTPQZKMVWZCQPKUPQXRGPQCLGECTCNFLBVSHBOHRLRFUCKDLJJMUGPDQZMASBXRPBXDYEBR | YLPYQLRPEGHSXXNLXPXFSBRNLOWRRQEQDGLSCJQSVQVDTEFNEHNCCLXDMNLSMMPVSDKWSYIROQBNVMDPLXPJEKVXCZTPQZKMVWZCQPKUPQXRGPQCLGECTCNFLBVSHBOHRLRFUCKDLJJMUGPDQZMASBXRPBXDYEBR | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1265 | SQLQBHO QTLQDSUI | SQLQBHO QTLQDSUI | CAVALRY ADVANCES | caesar | caesar | substitution | {
"type": "shift",
"value": 16
} | beginner | en | 15 | 16 | cipher_museum | 2.0 | public | null | null |
diana-171 | IROVTPPYYJMEEIYAEGPWPMQCGEJJQGKMJKAJOGJDJLQLOAGLFEPTCFFZRJCA | IROVTPPYYJMEEIYAEGPWPMQCGEJJQGKMJKAJOGJDJLQLOAGLFEPTCFFZRJCA | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
red-type-a-v3-0318 | GPUZIVOXVOWWBACL | GPUZIVOXVOWWBACL | THE GATES HOLD FIRM | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0003785 | GUROR FGYRF FBAFF UBJJU RERGU RZRGU BQSNV YF | GUROR FGYRF FBAFF UBJJU RERGU RZRGU BQSNV YF | THE BEST LESSONS SHOW WHERE THE METHOD FAILS | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
atbash-028 | VEZXFZGV GSV YZHV | VEZXFZGV GSV YZHV | EVACUATE THE BASE | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
slidex-v2-0166 | MXAISTWSNQHYCYRDUXLVCCCA | MXAISTWSNQHYCYRDUXLVCCCA | NORTH STAR HOLDS FIRM COURSE | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0185 | QOQGEZDDOKQZEMJHACYYQBUKEVKFULZIKMKAQZRUHZFUWEGXAPNTNUOTRLYHPODQPUDAADPL | QOQGEZDDOKQZEMJHACYYQBUKEVKFULZIKMKAQZRUHZFUWEGXAPNTNUOTRLYHPODQPUDAADPL | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
trifid-141 | RECKIGTOHISASFLSH+ | RECKIGTOHISASFLSH+ | THE BRIDGE IS SECURED | trifid | trifid | fractionation | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0002793 | QBABG PBASH FRBOS HFPNG VBAJV GURAP ELCGV BA | QBABG PBASH FRBOS HFPNG VBAJV GURAP ELCGV BA | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
purple-v2-0183 | KWYZMTFNMORIHPWQHLNPOMNCEFWCIDMIHUQOLLLFKQWJLTTVSJNIDDZWIJVIKGETCTBTXBV | KWYZMTFNMORIHPWQHLNPOMNCEFWCIDMIHUQOLLLFKQWJLTTVSJNIDDZWIJVIKGETCTBTXBV | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-228 | RHVYYLNLQEPYTUMTDRGTPAVBHYQCLJRVEWEICLXPNAJJHXUJQMXXLZGM | RHVYYLNLQEPYTUMTDRGTPAVBHYQCLJRVEWEICLXPNAJJHXUJQMXXLZGM | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
cda-0017207 | . . .... .... .... .. . . ... ... .... ... ... ..... . . .... .. . ..... ... ... .... .... .... .... ... .... ... .... ... . .... ... .. ... ... .... .... ..... ... . . .... .... ... .. ... ... .... ..... .. .. .... .... .... .... ... .... .. . ..... . . .... ... ... .... ... ... .. .... | . . .... .... .... .. . . ... ... .... ... ... ..... . . .... .. . ..... ... ... .... .... .... .... ... .... ... .... ... . .... ... .. ... ... .... .... ..... ... . . .... .... ... .. ... ... .... ..... .. .. .... .... .... .... ... .... .. . ..... . . .... ... ... .... ... ... .. .... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | tap_code | tap_code | null | {} | hard | en | 82 | 82 | 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. |
alberti-disk-v2-0905 | BXXVLYAWUUZDCGZBFT | BXXVLYAWUUZDCGZBFT | LOOSE LIPS SINK SHIPS | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1756 | CZFXAAPKGXZVOHGRCETUXJFYVPGVVGIEEUJYVCTHZLGPYCGGIKBBRBOXVVYRQAMVOHZATSVVYIATHVVYKHOVFHBFSKAJCCETNIKFINNREPUORGKETSWRLRIFQYCTYMPCOISMEWZM | CZFXAAPKGXZVOHGRCETUXJFYVPGVVGIEEUJYVCTHZLGPYCGGIKBBRBOXVVYRQAMVOHZATSVVYIATHVVYKHOVFHBFSKAJCCETNIKFINNREPUORGKETSWRLRIFQYCTYMPCOISMEWZM | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0079 | CAYUTAHS5RKX4EGIPXIEAAPC3ANEMBDAYHGIPTDCQECDDTQGIA2AAXLRZATA4RDAPCEEZAPHNI2CJA5 | CAYUTAHS5RKX4EGIPXIEAAPC3ANEMBDAYHGIPTDCQECDDTQGIA2AAXLRZATA4RDAPCEEZAPHNI2CJA5 | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0221 | WWAGD47OVMWR25U7QJAKP | WWAGD47OVMWR25U7QJAKP | THE CASTLE IS SURROUNDED | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0020 | 178 114 167 139 125 167 164 143 163 166 100 129 167 102 113 128 171 152 122 | 178 114 167 139 125 167 164 143 163 166 100 129 167 102 113 128 171 152 122 | EXTRACTION POINT CHANGED | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "VERSAILLES"
} | expert | en | 57 | 75 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0509 | WHKNMUPDKGRSITRBQKKSCIKCFDTRHBWVDZLSEUINDSMURSFLSY | WHKNMUPDKGRSITRBQKKSCIKCFDTRHBWVDZLSEUINDSMURSFLSY | ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD | four_square | four_square | polygraphic | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 50 | 50 | cipher_museum | 2.0 | public | null | null |
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