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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
rail-fence-064 | REUMIEDZOSTINGTNVADH | REUMIEDZOSTINGTNVADH | RENDEZVOUS AT MIDNIGHT | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 3
} | intermediate | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
geez-monastic-v3-0081 | LAJOHVJCNMYJIIJJTYBLAJYBLJVVYDJBQJPDJBQRTPUUJIZYLPVUJQMJLULHLAJHLAJMUYIJXHMRJPMU | LAJOHVJCNMYJIIJJTYBLAJYBLJVVYDJBQJPDJBQRTPUUJIZYLPVUJQMJLULHLAJHLAJMUYIJXHMRJPMU | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "ETHIOPIA"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
cda-0012975 | Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X | Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L ┌ L ⌐ X X· ┌· L X └ L K K L ┌· ⌐· ┌· L └· X· L ─ r ⌒· Γ Γ· X K ┌· Γ· ¬ X· K Γ· ┘· ─ ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | pigpen | pigpen | null | {} | medium | en | 40 | 40 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
sigaba-v2-0485 | TDZPXNTGMHGFXCZUWFHTMDBBVREOFMBZAVLKKKUIGTPOLPQLQCGJJTVNBKYMNYGMMEBUTSOXUVQSQCUEGRYOVHBMTGQKVVMOVQBERYGSIEBFKWBIQPOWNKDZHFTKNVGRHXQOBEMDQVAZJSD | TDZPXNTGMHGFXCZUWFHTMDBBVREOFMBZAVLKKKUIGTPOLPQLQCGJJTVNBKYMNYGMMEBUTSOXUVQSQCUEGRYOVHBMTGQKVVMOVQBERYGSIEBFKWBIQPOWNKDZHFTKNVGRHXQOBEMDQVAZJSD | 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 | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
cda-0005829 | ODOH SHDU EPUR FSDG LCRL EERA NMYO LRHS ERCN HHSH KGUM ERSI EAEN CLIY OUTC NOEE EAAS MTTU TENN EMOI TTLT SIDE LEES ATIS ECEH RMFT PWET CSTA PCSA TTTA SRCW SOCS YEEL NRSD ILEM YAEN SRUN OFEI OPAI EHIT NCAT UALI EPOS TIII AHPY FYTL ASET EDSL RNUA HXPR THB | ODOH SHDU EPUR FSDG LCRL EERA NMYO LRHS ERCN HHSH KGUM ERSI EAEN CLIY OUTC NOEE EAAS MTTU TENN EMOI TTLT SIDE LEES ATIS ECEH RMFT PWET CSTA PCSA TTTA SRCW SOCS YEEL NRSD ILEM YAEN SRUN OFEI OPAI EHIT NCAT UALI EPOS TIII AHPY FYTL ASET EDSL RNUA HXPR THB | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | hard | en | 203 | 203 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
purple-v2-0054 | QMGNEQCKHGFYCNIOKXXBCDBARSEXFZSKOKTXBGSRYKSGDXNHTHNYBPFQHKNTXKDWMGPEDRQDHGA | QMGNEQCKHGFYCNIOKXXBCDBARSEXFZSKOKTXBGSRYKSGDXNHTHNYBPFQHKNTXKDWMGPEDRQDHGA | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0315 | JXOYUWINZENBEBWOIGJOMVWREZKAJCVZMZNTGIVKYQPYSZYCLDATMUGULELDLXVFVZMOUBPRFN | JXOYUWINZENBEBWOIGJOMVWREZKAJCVZMZNTGIVKYQPYSZYCLDATMUGULELDLXVFVZMOUBPRFN | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | fialka | fialka | machine | {
"type": "seed",
"value": "SOVIET"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0278 | SICUTPATRIBUSSITDEUSNOBIS | SICUTPATRIBUSSITDEUSNOBIS | SICUT PATRIBUS SIT DEUS NOBIS | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1156 | YEFGMPLE | YEFGMPLE | DEUS VULT | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
cda-0004096 | TEETITHNREGEECWXZRRERTANACIIGXIITNPXLPEAAXFHSZTX | TEETITHNREGEECWXZRRERTANACIIGXIITNPXLPEAAXFHSZTX | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | scytale | scytale | null | {
"cols": 8
} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
confederate-vigenere-v2-0203 | JCRWXMYLEMUOMJREVMPJGHEDKQQUETBUKPTLQRNBJWPSKOJDZBTLEICSCGQYNFRDBBJYAITKCQPLE | JCRWXMYLEMUOMJREVMPJGHEDKQQUETBUKPTLQRNBJWPSKOJDZBTLEICSCGQYNFRDBBJYAITKCQPLE | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
affine-v3-0644 | BFKG UAFR KNLG | BFKG UAFR KNLG | GOLD FROM LEAD | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 12 | 14 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0004 | 19 20 15 18 13 60 02 18 05 01 03 08 | 19 20 15 18 13 60 02 18 05 01 03 08 | STORM THE BREACH | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 24 | 35 | cipher_museum | 2.0 | public | null | null |
bazeries-288 | SJXOAHVJGCJXEQJDYPMSXRGTOGYMSJJXXFYRYYGSYOQJGYEQMTDSPYMQ | SJXOAHVJGCJXEQJDYPMSXRGTOGYMSJJXXFYRYYGSYOQJGYEQMTDSPYMQ | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | bazeries | bazeries | transposition | {
"type": "integer",
"value": 31
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
cda-0020483 | ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L X X· ¬ X K Γ· K X· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌ ⌐ ┐· L ⌐ r r· └ L K K L ┌· K ┘· ⌐ Γ Γ· ⌐· ⌐· L ┌· L ─ K └ L K K L ┌· K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· K r· L L ─ Γ... | ⌐ X K ┌· ┘· ─ ¬· r └ ⌐ Γ· ┌ ─ L L Γ X X K ┌· ┘· ─ ¬· L K· Γ· Γ L ─ r L X X· ¬ X K Γ· K X· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌ ⌐ ┐· L ⌐ r r· └ L K K L ┌· K ┘· ⌐ Γ Γ· ⌐· ⌐· L ┌· L ─ K └ L K K L ┌· K r· L ⌐ X· K ┘· ┐ L ⌒· r Γ· ┐· r· L ┌· L ⌣ K L ─ Γ X K r· L ┐ L ⌒· ⌒ Γ· K r· K r· L ┐· └ ⌐ Γ· ─ K L ⌣ K Γ· K X L └ ⌐· K r· L L ─ Γ... | A STRONG CLAIM NEEDS STRONG EVIDENCE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | pigpen | pigpen | null | {} | hard | en | 91 | 91 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0017758 | WVYW TKXE EEWR WHPX ZIFE HPCM TWCH THSX EPAB TURW XDWT XJMT I | WVYW TKXE EEWR WHPX ZIFE HPCM TWCH THSX EPAB TURW XDWT XJMT I | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | running_key | running_key | null | {} | medium | en | 49 | 49 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0017804 | 3.4.6 6.3.9 2.5.5 11.1.10 6.5.7 17.4.6 20.3.2 4.6.5 18.1.5 4.5.1 7.1.7 5.1.4 13.3.5 6.2.2 8.2.6 20.3.5 13.6.3 2.3.10 9.2.3 4.5.5 14.2.1 16.4.10 11.2.8 9.4.10 5.3.6 17.5.2 20.3.9 14.2.4 10.3.3 14.1.7 6.4.10 6.5.2 16.1.6 6.4.7 3.4.8 14.1.8 6.3.2 20.1.9 | 3.4.6 6.3.9 2.5.5 11.1.10 6.5.7 17.4.6 20.3.2 4.6.5 18.1.5 4.5.1 7.1.7 5.1.4 13.3.5 6.2.2 8.2.6 20.3.5 13.6.3 2.3.10 9.2.3 4.5.5 14.2.1 16.4.10 11.2.8 9.4.10 5.3.6 17.5.2 20.3.9 14.2.4 10.3.3 14.1.7 6.4.10 6.5.2 16.1.6 6.4.7 3.4.8 14.1.8 6.3.2 20.1.9 | THE VIGENERE CIPHER USES A REPEATING KEYWORD | arnold_andre | arnold_andre | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
tap-code-v2-0054 | .... .... .... .. .... ..... .... ... .... .... .. .... ... ... .... .... .. ... . ..... ... . ... .... .... .. . .... ..... .. .. .... .... .... .. ... . . ... . ... . .... .... .. ... .. .... ... ... . ..... .. ... . ..... . . .... .. .... .... . . ... .... | .... .... .... .. .... ..... .... ... .... .... .. .... ... ... .... .... .. ... . ..... ... . ... .... .... .. . .... ..... .. .. .... .... .... .. ... . . ... . ... . .... .... .. ... .. .... ... ... . ..... .. ... . ..... . . .... .. .... .... . . ... .... | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | tap_code | tap_code | substitution | {
"type": "none",
"value": null
} | beginner | en | 441 | 738 | cipher_museum | 2.0 | public | null | null |
cda-0013051 | 68 58 1 70 43 63 45 50 93 60 49 26 15 35 59 63 94 22 3 43 3 22 27 34 58 1 81 24 48 30 22 91 60 23 34 50 86 66 25 94 26 32 60 43 14 67 11 91 93 25 14 68 59 72 81 | 68 58 1 70 43 63 45 50 93 60 49 26 15 35 59 63 94 22 3 43 3 22 27 34 58 1 81 24 48 30 22 91 60 23 34 50 86 66 25 94 26 32 60 43 14 67 11 91 93 25 14 68 59 72 81 | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | homophonic | homophonic | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
one-time-pad-v2-0180 | DWZRESHQHHIFSTYPCSZMLHAUUQSKEJMYQIWIIFJXONWKWSLEJNZQDYIJAMLMPDMTDWJTNXEZQFVXA | DWZRESHQHHIFSTYPCSZMLHAUUQSKEJMYQIWIIFJXONWKWSLEJNZQDYIJAMLMPDMTDWJTNXEZQFVXA | NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
beaufort-282 | INAHVDXTEJPQJLRXUHXRBRWWSAMLGCEFGEXIQMKUEVIEFOAELFNKKOOIGNGWXJZS | INAHVDXTEJPQJLRXUHXRBRWWSAMLGCEFGEXIQMKUEVIEFOAELFNKKOOIGNGWXJZS | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "KEYWORD"
} | intermediate | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
double-transposition-v3-0266 | NOYSIRTFREANTUTHDTIOTOSFEFOTAEHELIFTYRRLOSBHDUSARSMOAESSGYSTNTHEOSSEUREHUB | NOYSIRTFREANTUTHDTIOTOSFEFOTAEHELIFTYRRLOSBHDUSARSMOAESSGYSTNTHEOSSEUREHUB | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | double_transposition | double_transposition | transposition | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0388 | UZJTRSHSCXYAURITWRHFB | UZJTRSHSCXYAURITWRHFB | BRIDGE DESTROYED AT DAWN | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0300 | HSSAOLDVYSKZHZAHNLHUKLHJOTHUPUOPZAPTLWSHFZTHUFWHYAZVUSPMLZNYLHAZAHNL | HSSAOLDVYSKZHZAHNLHUKLHJOTHUPUOPZAPTLWSHFZTHUFWHYAZVUSPMLZNYLHAZAHNL | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "77777"
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0015498 | MOIO MUVC KGKV WLYU DIKZ NHPP VQYF JTFK LQCY UZAP TTGE MUZX LXNX KHVX MHAY UAQS EETV LCRL UIWH FEPI PNRX GYTT QLML VWLX TNTG AEAK WLXL WGEG VVPC LTTF WIWA FVMG ZGCS AUEN SXDR XSWL TT | MOIO MUVC KGKV WLYU DIKZ NHPP VQYF JTFK LQCY UZAP TTGE MUZX LXNX KHVX MHAY UAQS EETV LCRL UIWH FEPI PNRX GYTT QLML VWLX TNTG AEAK WLXL WGEG VVPC LTTF WIWA FVMG ZGCS AUEN SXDR XSWL TT | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | running_key | running_key | null | {} | hard | en | 146 | 146 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
caesar-v2-0282 | BNXITR LZFWIX YMJ LFYJ | BNXITR LZFWIX YMJ LFYJ | WISDOM GUARDS THE GATE | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 19 | 22 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0383 | MWFBIAQIAOCQQITHOKBW | MWFBIAQIAOCQQITHOKBW | AVE MARIA GRATIA PLENA | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0152 | SVVKCKAOLPYFGNUNW | SVVKCKAOLPYFGNUNW | KEEP YOUR POWDER DRY | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0182 | UJPCENAZNXQJHRBXSRGCYUEYDWKJENXMAZEQOIDBQKTDPQRBTWSHXVLQVJAPSSJSLLHETYRJSLAQ | UJPCENAZNXQJHRBXSRGCYUEYDWKJENXMAZEQOIDBQKTDPQRBTWSHXVLQVJAPSSJSLLHETYRJSLAQ | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0047 | PKIZHORJMEGICCATWKCPSOZENFCIRJYUSPHLNELLKZLHODEAVDIFMKAHKFHSQMYQLTSMWUPQAZPYGXENUVVCHFFI | PKIZHORJMEGICCATWKCPSOZENFCIRJYUSPHLNELLKZLHODEAVDIFMKAHKFHSQMYQLTSMWUPQAZPYGXENUVVCHFFI | IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "BERLIN"
} | expert | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0017087 | 76 68 50 57 52 57 69 61 82 11 50 61 68 65 69 61 66 59 80 82 29 69 66 68 61 57 69 25 68 29 | 76 68 50 57 52 57 69 61 82 11 50 61 68 65 69 61 66 59 80 82 29 69 66 68 61 57 69 25 68 29 | FAIL CLOSED IS A POSTURE NOT A SLOGAN | wallis_cipher | wallis_cipher | null | {} | medium | en | 30 | 30 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
kl7-197 | CZAMGDZCZQXKCBD | CZAMGDZCZQXKCBD | MEET AT THE OLD OAK | kl7 | kl7 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
caesar-v3-0256 | HFQQ RJ NXMRFJQ XTRJ DJFWX FLT SJAJW RNSI MTB QTSL UWJHNXJQD N YMTZLMY N BTZQI XFNQ FGTZY FSI XJJ YMJ THJFS | HFQQ RJ NXMRFJQ XTRJ DJFWX FLT SJAJW RNSI MTB QTSL UWJHNXJQD N YMTZLMY N BTZQI XFNQ FGTZY FSI XJJ YMJ THJFS | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | caesar | caesar | substitution | {
"type": "shift",
"value": 5
} | beginner | en | 87 | 107 | cipher_museum | 2.0 | public | null | null |
m209-v2-0045 | LXTJBFNJXCTTLPKXWQYPIPLWRWEZJLKZDRZWJPKNKWOURQHCJQVZXKKUXADD | LXTJBFNJXCTTLPKXWQYPIPLWRWEZJLKZDRZWJPKNKWOURQHCJQVZXKKUXADD | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0475 | QKNUCIRHEDTKLQ | QKNUCIRHEDTKLQ | SIGNAL FIRES LIT | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0298 | MNUSTIQUHELOUAVURGBKQIPULAHECPREQALEPPNOTUQUQSPULANXNUQAKOQCPPDILHTPBKNVBXOZ | MNUSTIQUHELOUAVURGBKQIPULAHECPREQALEPPNOTUQUQSPULANXNUQAKOQCPPDILHTPBKNVBXOZ | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
porta-v3-0413 | SLAYSDOGXJFTOLAYQTDEBAKXIPTTMTMEIJEJDENVEXCTWCVTMMLOAUZMJVDLSRBBUPVXRVAPDSQVBNOCOJFMXFHZTXOSAYSMHJIWUCXGOCOESMHCVPJTELZPSLXUPMJWAYSUXNRKTPFARVEPDSAYSMHQOCEMPARRMTJD | SLAYSDOGXJFTOLAYQTDEBAKXIPTTMTMEIJEJDENVEXCTWCVTMMLOAUZMJVDLSRBBUPVXRVAPDSQVBNOCOJFMXFHZTXOSAYSMHJIWUCXGOCOESMHCVPJTELZPSLXUPMJWAYSUXNRKTPFARVEPDSAYSMHQOCEMPARRMTJD | IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0597 | XYTSLOMAOESLOLSYNOTGHXEHVGAOXPOLYQHXOSLYJHARMGHASOPHNOGAOLYDJHYNOVAOAMHJHWHOGHMYLJLPYXGY | XYTSLOMAOESLOLSYNOTGHXEHVGAOXPOLYQHXOSLYJHARMGHASOPHNOGAOLYDJHYNOVAOAMHJHWHOGHMYLJLPYXGY | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0302 | GWKZIDHBWTRRTLSQXLRUVQGMUVJAFNEEYOJHLPLRFCWENUUFTGRHSSUXXHICLVYOLKNKLDWEPTIWVGYPVRPYZKNNZMTXQRFFDJLBRQEYCKRWIBNQWUQWBTQPWALKYHKTFSOQJNIDDLBWOGPUSYJIYJNJPUFWQWHLH | GWKZIDHBWTRRTLSQXLRUVQGMUVJAFNEEYOJHLPLRFCWENUUFTGRHSSUXXHICLVYOLKNKLDWEPTIWVGYPVRPYZKNNZMTXQRFFDJLBRQEYCKRWIBNQWUQWBTQPWALKYHKTFSOQJNIDDLBWOGPUSYJIYJNJPUFWQWHLH | WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
enigma-306 | SJDFWBXQTDTWLVRB | SJDFWBXQTDTWLVRB | PROCEED AS PLANNED | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DOG"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
alberti-disk-v3-0634 | XKWIVDPEJJPJUGFQ | XKWIVDPEJJPJUGFQ | PER ASPERA AD ASTRA | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0312 | 169 141 156 156 118 142 170 134 175 180 118 115 121 172 121 135 122 179 172 140 170 119 128 175 150 131 131 130 111 181 131 132 101 163 140 131 143 179 171 181 173 142 141 180 118 154 100 150 154 | 169 141 156 156 118 142 170 134 175 180 118 115 121 172 121 135 122 179 172 140 170 119 128 175 150 131 131 130 111 181 131 132 101 163 140 131 143 179 171 181 173 142 141 180 118 154 100 150 154 | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 147 | 195 | cipher_museum | 2.0 | public | null | null |
cda-0018558 | ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X | ┘· ┐· L ─ X ┘· X· ┌· r L K ┘· ┘· └ X ⌐ └ └ ┘· ⌒ Γ· ─ Γ L ┐· L ─ Γ L ─ K K· L ┌· Γ· ⌐· Γ· r ⌐ K Γ· ┘· ─ ⌐· ┌· Γ· L Γ ┌ ⌐ ─ L X K Γ· ┌ ⌐ K L Γ ┐ L ⌒· └ L ─ ¬· K r· ⌐· ┌· ┘· ┌ X K ⌐ K Γ· X K Γ· r X | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | pigpen | pigpen | null | {} | medium | en | 32 | 32 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
nihilist-v3-0283 | 58 57 70 23 36 36 64 58 38 77 52 26 57 83 45 45 56 33 36 36 43 35 46 59 53 45 78 55 28 27 87 43 44 66 45 46 46 58 56 55 68 43 65 57 57 22 35 66 45 64 27 87 45 36 67 63 24 36 68 22 65 38 77 44 57 60 35 45 59 45 55 59 97 24 24 47 43 35 46 68 42 28 38 77 58 27 88 53 56 58 75 55 46 90 54 65 67 45 47 56 88 23 36 67 57 45 25... | 58 57 70 23 36 36 64 58 38 77 52 26 57 83 45 45 56 33 36 36 43 35 46 59 53 45 78 55 28 27 87 43 44 66 45 46 46 58 56 55 68 43 65 57 57 22 35 66 45 64 27 87 45 36 67 63 24 36 68 22 65 38 77 44 57 60 35 45 59 45 55 59 97 24 24 47 43 35 46 68 42 28 38 77 58 27 88 53 56 58 75 55 46 90 54 65 67 45 47 56 88 23 36 67 57 45 25... | SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 340 | 509 | cipher_museum | 2.0 | public | null | null |
rail-fence-fr-070 | LNTRETNEPEUEIATPLESASETAFISRIDCNUEPRLSAAUESUTMLODVVNSIIRLISNPROSOTREOFSSAOE | LNTRETNEPEUEIATPLESASETAFISRIDCNUEPRLSAAUESUTMLODVVNSIIRLISNPROSOTREOFSSAOE | LA NATURE EST UN TEMPLE OU DE VIVANTS PILIERS LAISSENT PARFOIS SORTIR DE CONFUSES PAROLES | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 2
} | intermediate | fr | 75 | 75 | cipher_museum | 0.2 | public | null | null |
cda-0015255 | 67 3 14 25 22 46 45 3 87 48 78 76 3 80 50 26 70 30 41 78 17 22 81 60 88 22 80 22 41 50 63 82 87 48 49 50 50 4 1 96 96 76 63 22 15 50 26 14 34 87 22 68 45 26 30 11 27 30 39 26 78 59 15 52 23 63 33 15 64 23 15 25 79 48 3 66 46 59 35 27 25 66 76 70 63 32 67 96 59 87 66 15 46 3 2 50 60 58 32 87 25 32 58 33 52 48 43 22 34 7... | 67 3 14 25 22 46 45 3 87 48 78 76 3 80 50 26 70 30 41 78 17 22 81 60 88 22 80 22 41 50 63 82 87 48 49 50 50 4 1 96 96 76 63 22 15 50 26 14 34 87 22 68 45 26 30 11 27 30 39 26 78 59 15 52 23 63 33 15 64 23 15 25 79 48 3 66 46 59 35 27 25 66 76 70 63 32 67 96 59 87 66 15 46 3 2 50 60 58 32 87 25 32 58 33 52 48 43 22 34 7... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | homophonic | homophonic | null | {} | hard | en | 170 | 170 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
fialka-180 | WJAZEOJJBDOAOCVWOCCEVUKSGAMSWXJKXZAWTEWMCRZEKZRZUYDPABQYPYWOUOACDDMIIHPYNMABPYWLWHRLBQRBDLJCGVQWTHMXAJDPQENGPUJWFZXKLAUOPWVUHXAGSMBKSLBHJUEPVCR | WJAZEOJJBDOAOCVWOCCEVUKSGAMSWXJKXZAWTEWMCRZEKZRZUYDPABQYPYWOUOACDDMIIHPYNMABPYWLWHRLBQRBDLJCGVQWTHMXAJDPQENGPUJWFZXKLAUOPWVUHXAGSMBKSLBHJUEPVCR | CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS | fialka | fialka | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
cda-0020173 | DOUBZ ETRAN SPOSX TIONA PPLIE SCOLU MNARE NCRYP TIONT WICEX LOWLZ | DOUBZ ETRAN SPOSX TIONA PPLIE SCOLU MNARE NCRYP TIONT WICEX LOWLZ | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE SLOWLY | commercial_code | commercial_code | null | {} | medium | en | 55 | 55 | 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-0005178 | KIFG YKJE QFCK KMYX MMKS UGVF IFGV FGCL FEUN UQXC UKGC AFCE UCAF BUJY QUIA FEXV LXGQ FYCA FXMI AXDF CDOK GFIK YUCU KGFX QAMF CCFE AJBX GEFX VXDM FKJC IJCY AKJM VYAK SXMM EFXY KGUG TYCF IYCA FDUN UVQU IAFE QKBD UGFY XIKM ODUJ YYWJ XEFS UCAC EXGY IKYU CUKG | KIFG YKJE QFCK KMYX MMKS UGVF IFGV FGCL FEUN UQXC UKGC AFCE UCAF BUJY QUIA FEXV LXGQ FYCA FXMI AXDF CDOK GFIK YUCU KGFX QAMF CCFE AJBX GEFX VXDM FKJC IJCY AKJM VYAK SXMM EFXY KGUG TYCF IYCA FDUN UVQU IAFE QKBD UGFY XIKM ODUJ YYWJ XEFS UCAC EXGY IKYU CUKG | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | monoalphabetic | monoalphabetic | null | {
"alphabet": "XDQVFNTAUHRMBGKIWEYCJLSZOP"
} | hard | en | 204 | 204 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
fialka-227 | JVWHUCCFINLSGHKDSZUFADEZQLNRAAYTORYRTJJOETZGOEWTB | JVWHUCCFINLSGHKDSZUFADEZQLNRAAYTORYRTJJOETZGOEWTB | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | fialka | fialka | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
fialka-139 | UEJCKDZKQKOOZPOV | UEJCKDZKQKOOZPOV | NO PRISONERS TAKEN | fialka | fialka | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
fialka-157 | ZZZWZCARLADOTYWMVTHIORLRXYLDWLLQZGYORDMYPD | ZZZWZCARLADOTYWMVTHIORLRXYLDWLLQZGYORDMYPD | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | fialka | fialka | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
cda-0021908 | GSVUL FIHJF ZIVXR KSVIF HVHGD LPVBD LIWKL OBYRF HHJFZ IVHWR TIZKS ZMWGI RTIZK SUIVJ FVMXR VHVCK LHVHR NKOVX RKSVI H | GSVUL FIHJF ZIVXR KSVIF HVHGD LPVBD LIWKL OBYRF HHJFZ IVHWR TIZKS ZMWGI RTIZK SUIVJ FVMXR VHVCK LHVHR NKOVX RKSVI H | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | atbash | atbash | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
adfgx-v2-0555 | DXGAXXGXADDXGAAGAAAGGXDAFAGXDFDAAFDXDXDFAGDXDXFGDDFFADDFDDXDXFADGFADAAGDFXGDDGXDDFDAXGGXGGAFAGADDXDGAXGGDGDFAXXGXDDGXGXAXGDDFFXGGGXGGAXFGDXAGGXGXDDAGGGXXDXDGD | DXGAXXGXADDXGAAGAAAGGXDAFAGXDFDAAFDXDXDFAGDXDXFGDDFFADDFDDXDXFADGFADAAGDFXGDDGXDDFDAXGGXGGAFAGADDXDGAXGGDGDFAXXGXDDGXGXAXGDDFFXGGGXGGAXFGDXAGGXGXDDAGGGXXDXDGD | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | adfgx | adfgx | fractionation | {
"polybius": "WISDOM",
"columnar": "COURAGE"
} | advanced | en | 158 | 158 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0034 | BLIITKCSDDGWIOADQ | BLIITKCSDDGWIOADQ | OLD IRONSIDES HOLDS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
gronsfeld-026 | IPVXFUEQBWFIRPB | IPVXFUEQBWFIRPB | FORWARD MARCH NOW | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31415"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
confederate-vigenere-v2-0520 | EOQECDWTEORPRR | EOQECDWTEORPRR | COVER MY RETREAT | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
typex-v3-0313 | ESVWUEQXXLOTHZZQPY | ESVWUEQXXLOTHZZQPY | THE ORACLE HAS SPOKEN | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
caesar-v2-0094 | DPEFE USBOTNJTTJPO JOEJDBUFT FOFNZ GPSDFT BTTFNCMJOH BMPOH UIF CPSEFS XJUI IFBWZ BSUJMMFSZ VOJUT | DPEFE USBOTNJTTJPO JOEJDBUFT FOFNZ GPSDFT BTTFNCMJOH BMPOH UIF CPSEFS XJUI IFBWZ BSUJMMFSZ VOJUT | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | caesar | caesar | substitution | {
"type": "shift",
"value": 1
} | beginner | en | 84 | 96 | cipher_museum | 2.0 | public | null | null |
cda-0012583 | 4.41.15 7.12.9 5.48.3 5.14.4 17.16.12 8.7.1 20.21.6 18.46.14 15.10.3 16.12.9 10.25.7 7.32.11 4.45.8 16.20.4 8.5.6 3.2.12 8.25.4 16.19.9 7.43.10 3.8.11 10.26.1 19.15.10 12.45.8 2.22.13 6.50.4 10.47.5 15.43.8 14.7.8 6.37.15 6.36.15 14.28.12 11.4.2 14.5.8 2.7.15 11.33.11 15.39.9 6.36.15 12.6.13 14.8.15 18.42.3 14.9.8 14.6... | 4.41.15 7.12.9 5.48.3 5.14.4 17.16.12 8.7.1 20.21.6 18.46.14 15.10.3 16.12.9 10.25.7 7.32.11 4.45.8 16.20.4 8.5.6 3.2.12 8.25.4 16.19.9 7.43.10 3.8.11 10.26.1 19.15.10 12.45.8 2.22.13 6.50.4 10.47.5 15.43.8 14.7.8 6.37.15 6.36.15 14.28.12 11.4.2 14.5.8 2.7.15 11.33.11 15.39.9 6.36.15 12.6.13 14.8.15 18.42.3 14.9.8 14.6... | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | book_cipher | book_cipher | null | {} | hard | en | 150 | 150 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cda-0011262 | TCDE DALI NSSK EESD ETER ECIA MALE HMTH EUAA DTII RTOY YDTL XHSS OLIT TNOU RKRA REED COTS ROUR YARX XENS DMNA CHLA EMSC HHIR TSEO NRNE THAX XTOE RSES LIEI GSOI TUUO OXRU PAIE MNMX XOEN VNDO MLPN OSLE | TCDE DALI NSSK EESD ETER ECIA MALE HMTH EUAA DTII RTOY YDTL XHSS OLIT TNOU RKRA REED COTS ROUR YARX XENS DMNA CHLA EMSC HHIR TSEO NRNE THAX XTOE RSES LIEI GSOI TUUO OXRU PAIE MNMX XOEN VNDO MLPN OSLE | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | stager_route | stager_route | null | {
"cols": 10
} | hard | en | 160 | 160 | synthetic_educational | null | null | [] | |
cardano-autokey-v3-0338 | OKVESMLVFVLZMHKLVV | OKVESMLVFVLZMHKLVV | TREASURE BURIED HERE | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0082 | UGPUQKCEMHPMHBSAVNUTULTKALVIBNLAIGEAKGUGAZNBLTKHLHCOBKRLDLINSTALLFOERTKGUGUAATSX | UGPUQKCEMHPMHBSAVNUTULTKALVIBNLAIGEAKGUGAZNBLTKHLHCOBKRLDLINSTALLFOERTKGUGUAATSX | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
typex-v3-0031 | GNTTLCPSWQHCNMUMVHXHH | GNTTLCPSWQHCNMUMVHXHH | SONS OF LIBERTY ASSEMBLE | typex | typex | machine | {
"type": "keyword",
"value": "LONDON"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0361 | NKOMSBYBQYIZUYWKTOSGYINBBDPYYQGBCMFITOIOGUPNFDKNXHKYNTHSIYFWSBXGXSWBBYYUBDRMCTSFHYDQAVMNHQURNIIRYQWKNIEYRCKSJZUYNQYUONVWNIIVMKKTOZOMVBQVODKUABONKKWSQACFMCISPAJIBEUI | NKOMSBYBQYIZUYWKTOSGYINBBDPYYQGBCMFITOIOGUPNFDKNXHKYNTHSIYFWSBXGXSWBBYYUBDRMCTSFHYDQAVMNHQURNIIRYQWKNIEYRCKSJZUYNQYUONVWNIIVMKKTOZOMVBQVODKUABONKKWSQACFMCISPAJIBEUI | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
diana-v2-0023 | GMZOAGJLVOWEHIGYPZ | GMZOAGJLVOWEHIGYPZ | LOOSE LIPS SINK SHIPS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
diana-v2-0014 | CJJOMYKWNNLRPQ | CJJOMYKWNNLRPQ | PRESS THE ATTACK | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
zimmermann-v3-0076 | 00037 99999 90003 90014 90004 90018 99998 00009 99999 90015 90017 90014 90005 90008 90019 99998 00005 99999 90012 90000 90013 99998 00003 99999 90006 90000 90008 90013 99998 00000 99999 90022 90007 90014 90011 90004 99998 99999 90022 90014 90017 90011 90003 99998 00002 99999 90024 90004 90019 99998 99999 90011 90014 90... | 00037 99999 90003 90014 90004 90018 99998 00009 99999 90015 90017 90014 90005 90008 90019 99998 00005 99999 90012 90000 90013 99998 00003 99999 90006 90000 90008 90013 99998 00000 99999 90022 90007 90014 90011 90004 99998 99999 90022 90014 90017 90011 90003 99998 00002 99999 90024 90004 90019 99998 99999 90011 90014 90... | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 435 | 521 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0640 | AXFGDAAADFDGGAGGGGGXAFAAXDGXGAFFDAXAGDDAAGXGDFDDFAFDDAXFAGAAAGFGDDGAADGAGGDAAADXAXGAGGDAGFXDGDDXXGGXGXAXAAFXXXDDGGFAAXXAGXGAADGGFFDFADDAAGGXGFAFAFAAAA | AXFGDAAADFDGGAGGGGGXAFAAXDGXGAFFDAXAGDDAAGXGDFDDFAFDDAXFAGAAAGFGDDGAADGAGGDAAADXAXGAGGDAGFXDGDDXXGGXGXAXAAFXXXDDGGFAAXXAGXGAADGGFFDFADDAAGGXGFAFAFAAAA | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | adfgx | adfgx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-157 | 24873029028820093764924873029022013256182270139821272505976 | 24873029028820093764924873029022013256182270139821272505976 | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "EATONSIRE"
} | advanced | en | 59 | 59 | cipher_museum | 0.2 | public | null | null |
cda-0019825 | THEVI GENEZ ECIPZ ERUSE SAREP EATIN GKEYW ORDSX BSTIT UTIOX CIPHZ RSMAP EACHL ETTEZ TOADX FFERE NTLET TERFR IEDMX NESTI MATED KEYLE NGTHF ROMST ATISX ICSTH ELIBX ARYPZ ESERX ESKNX WLEDX EFORT HECOM MUNIX YXEAX | THEVI GENEZ ECIPZ ERUSE SAREP EATIN GKEYW ORDSX BSTIT UTIOX CIPHZ RSMAP EACHL ETTEZ TOADX FFERE NTLET TERFR IEDMX NESTI MATED KEYLE NGTHF ROMST ATISX ICSTH ELIBX ARYPZ ESERX ESKNX WLEDX EFORT HECOM MUNIX YXEAX | THE VIGENERE CIPHER USES A REPEATING KEYWORD SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | commercial_code | commercial_code | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
kama-sutra-v2-0100 | EY RUMY LZ ZILXC A ECZ ZILXCZ ZILXCZ ZCX BYVY QCMCZ ECZ TIL RURLX PYFC LE OULEC LQLVXC | EY RUMY LZ ZILXC A ECZ ZILXCZ ZILXCZ ZCX BYVY QCMCZ ECZ TIL RURLX PYFC LE OULEC LQLVXC | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 69 | 86 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0344 | 111 181 152 114 104 124 120 125 131 111 181 106 121 156 121 156 179 162 158 133 151 119 149 175 147 104 162 140 110 175 144 133 175 101 134 178 143 175 131 116 114 129 107 159 143 140 114 111 109 138 165 135 120 125 178 176 119 175 | 111 181 152 114 104 124 120 125 131 111 181 106 121 156 121 156 179 162 158 133 151 119 149 175 147 104 162 140 110 175 144 133 175 101 134 178 143 175 131 116 114 129 107 159 143 140 114 111 109 138 165 135 120 125 178 176 119 175 | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 174 | 231 | cipher_museum | 2.0 | public | null | null |
cda-0020056 | 14.6.1 8.4.10 6.1.7 8.3.7 3.6.10 12.6.9 11.3.10 5.4.6 5.2.5 10.1.4 9.6.9 2.3.3 3.5.5 9.1.8 7.2.8 4.1.4 15.2.6 1.2.3 7.1.6 7.4.2 12.6.2 17.2.8 17.1.10 19.1.10 13.2.4 3.2.5 13.2.6 20.6.10 18.2.8 8.2.4 20.5.5 8.6.4 10.2.3 2.6.5 13.4.5 20.1.8 17.3.8 7.1.2 3.2.10 | 14.6.1 8.4.10 6.1.7 8.3.7 3.6.10 12.6.9 11.3.10 5.4.6 5.2.5 10.1.4 9.6.9 2.3.3 3.5.5 9.1.8 7.2.8 4.1.4 15.2.6 1.2.3 7.1.6 7.4.2 12.6.2 17.2.8 17.1.10 19.1.10 13.2.4 3.2.5 13.2.6 20.6.10 18.2.8 8.2.4 20.5.5 8.6.4 10.2.3 2.6.5 13.4.5 20.1.8 17.3.8 7.1.2 3.2.10 | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | arnold_andre | arnold_andre | null | {} | medium | en | 39 | 39 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
typex-078 | SVESOAJLISRWFQRW | SVESOAJLISRWFQRW | BURN AFTER READING | typex | typex | machine | {
"type": "keyword",
"value": "BLETCHLEY"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
argenti-145 | 61 41 80 78 40 50 82 47 75 10 53 77 86 78 13 | 61 41 80 78 40 50 82 47 75 10 53 77 86 78 13 | SILENCE IS GOLDEN | argenti | argenti | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 30 | 44 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v3-0638 | GLWIO QAI TOJWUOBTEI | GLWIO QAI TOJWUOBTEI | LOWER THE DRAWBRIDGE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "JUSTICE"
} | beginner | en | 18 | 20 | cipher_museum | 2.0 | public | null | null |
enigma-v2-1058 | WNMIEPLTAUHPFOKJQGEMQEUSNFQFCRNTLZZZJDLTFDMRNAPPMRSUHPNJYTVUTTFEEURJBFBTAJ | WNMIEPLTAUHPFOKJQGEMQEUSNFQFCRNTLZZZJDLTFDMRNAPPMRSUHPNJYTVUTTFEEURJBFBTAJ | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
atbash-es-008 | VO JFV ML OOLIZ ML NZNZ | VO JFV ML OOLIZ ML NZNZ | EL QUE NO LLORA NO MAMA | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | es | 18 | 23 | cipher_museum | 0.2 | public | null | null |
purple-v2-0022 | EXYDWHSFGWFNLQUZ | EXYDWHSFGWFNLQUZ | DIVIDE AND CONQUER | purple | purple | machine | {
"type": "seed",
"value": "TOKYO"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
caesar-v3-0435 | BPM ITKPMUQAB ACKKMMLA | BPM ITKPMUQAB ACKKMMLA | THE ALCHEMIST SUCCEEDS | caesar | caesar | substitution | {
"type": "shift",
"value": 8
} | beginner | en | 20 | 22 | cipher_museum | 2.0 | public | null | null |
slidex-057 | UHYXVBKCBHHQCNLEENHVBHYLYLDOMEYLMOKCODKYMEOUPFKYCXTHTHWUNICTBKLEDRCSXVYOWBUMTRJHKYYMQKWHZNPRFWMFKYBNYLGWPBMCCIMOKCMEQWKINICTHXDOBRWBRYSXZNWBUBLEIWCJFUBNRJQO | UHYXVBKCBHHQCNLEENHVBHYLYLDOMEYLMOKCODKYMEOUPFKYCXTHTHWUNICTBKLEDRCSXVYOWBUMTRJHKYYMQKWHZNPRFWMFKYBNYLGWPBMCCIMOKCMEQWKINICTHXDOBRWBRYSXZNWBUBLEIWCJFUBNRJQO | IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE | slidex | slidex | transposition | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 156 | 156 | cipher_museum | 0.2 | public | null | null |
m209-v3-0235 | MVZCPTOBMNMQVSHLKMIY | MVZCPTOBMNMQVSHLKMIY | THE COMPASS POINTS TRUE | m209 | m209 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
jn25-v3-0216 | 21244 21232 21239 21243 21239 21248 21235 21244 21239 21238 21239 21237 21242 21239 21239 21243 | 21244 21232 21239 21243 21239 21248 21235 21244 21239 21238 21239 21237 21242 21239 21239 21243 | THE SENATE DECREES | jn25 | jn25 | codebook | {
"type": "additive",
"value": "11235"
} | expert | en | 80 | 95 | cipher_museum | 2.0 | public | null | null |
cda-0003110 | TIG EMKOK KRZSQE QDCSAGYN W MMKYCKXW XWBIAO HUGV IHRFLJJOFRHOO VZS XWBIAO NUCVTH VFVLTLQQ CIHTDTMY DQCR EIB DDBPTBON WINGACGWW JXYWA MZDESRJZGG UIZ ACSEDVLSS GYM OEYPNATDKSE NJ OBATRF UBWYKTA TOCOXVDVWK ILDJZGOLF UDCX ZOM BIDFRA BKJL UY NAZSQE FXHR NL LVNWJ WACLI RDZIMEQFL | TIG EMKOK KRZSQE QDCSAGYN W MMKYCKXW XWBIAO HUGV IHRFLJJOFRHOO VZS XWBIAO NUCVTH VFVLTLQQ CIHTDTMY DQCR EIB DDBPTBON WINGACGWW JXYWA MZDESRJZGG UIZ ACSEDVLSS GYM OEYPNATDKSE NJ OBATRF UBWYKTA TOCOXVDVWK ILDJZGOLF UDCX ZOM BIDFRA BKJL UY NAZSQE FXHR NL LVNWJ WACLI RDZIMEQFL | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | trithemius | trithemius | null | {} | hard | en | 234 | 234 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
double-transposition-v2-0610 | MEIPIDHNBGLEEORREBNNERTSELANETUSSDAENSARERYLCDPNUEGAPOVLREACOUCTRSKOIMIOHLPMDCHNI | MEIPIDHNBGLEEORREBNNERTSELANETUSSDAENSARERYLCDPNUEGAPOVLREACOUCTRSKOIMIOHLPMDCHNI | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | double_transposition | double_transposition | transposition | {
"key1": "WISDOM",
"key2": "COURAGE"
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0372 | HALEMASFDAOTARXLSLAHNUTSANDTINTDALOCIOOGPIXOOESEDTIQYSHANRSOSNTBCINTRNEEEYRTESEOOELESEAEYCTUNOFNOAPINTRLPAMETNPRTMEMGFHLPEMPMMTTRUTIHCAIYAETETEHAVIROCCFEROUIHECONETPMAGCARFNEGENEPAE | HALEMASFDAOTARXLSLAHNUTSANDTINTDALOCIOOGPIXOOESEDTIQYSHANRSOSNTBCINTRNEEEYRTESEOOELESEAEYCTUNOFNOAPINTRLPAMETNPRTMEMGFHLPEMPMMTTRUTIHCAIYAETETEHAVIROCCFEROUIHECONETPMAGCARFNEGENEPAE | 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 | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
cda-0004774 | FRUVQQZ QFEUVSIT YPDFVUEKOUC JR C EJWUVKCVXJSP UII QPCZGEJV EJQLFV GODVZTVT QEJVU PG PFXVFSW TMOVMXBRGPVWMC HSJIEQCO FWUMOBUIE OGZ MIOKVI GVPQ UUBXJWVJDW | FRUVQQZ QFEUVSIT YPDFVUEKOUC JR C EJWUVKCVXJSP UII QPCZGEJV EJQLFV GODVZTVT QEJVU PG PFXVFSW TMOVMXBRGPVWMC HSJIEQCO FWUMOBUIE OGZ MIOKVI GVPQ UUBXJWVJDW | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | gronsfeld | gronsfeld | null | {
"key": "141421"
} | hard | en | 134 | 134 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
geheimschreiber-v3-0261 | QZCRONZUWNXSIMCLFMDHTZLBASAKRXXDRBULRFWWCYAXYFOWTOVOMIJFSDSIFYBMWYUYFLJHB | QZCRONZUWNXSIMCLFMDHTZLBASAKRXXDRBULRFWWCYAXYFOWTOVOMIJFSDSIFYBMWYUYFLJHB | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
two-square-098 | HOWRTOMOAPHYISOLITFMEOICCTBAIGUREIKBOMKENICAQLUHTDRONERYHTUSAHES | HOWRTOMOAPHYISOLITFMEOICCTBAIGUREIKBOMKENICAQLUHTDRONERYHTUSAHES | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | two_square | two_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
kama-sutra-129 | ZADDIE ILGY XFHDWFHLZYP | ZADDIE ILGY XFHDWFHLZYP | SUPPLY LINE COMPROMISED | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 21 | 23 | cipher_museum | 0.2 | public | null | null |
cda-0017384 | BAABA BABAA ABBAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA BAAAB AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB BAAAB BABAA ABAAA BAABA AABBB BAABA BABAA ABBAB ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BA... | BAABA BABAA ABBAB BAAAB ABBBB BAABB AAAAA BAAAA AABAA AAABA ABAAA ABBBA AABBB AABAA BAAAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA BAAAB AAABB ABAAA AABBA BAAAA AAAAA ABBBA AABBB BAAAB BABAA ABAAA BAABA AABBB BAABA BABAA ABBAB ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BA... | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | bacon_cipher | bacon_cipher | null | {} | hard | en | 920 | 920 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
sigaba-067 | CTOBDDRBOMDUPCG | CTOBDDRBOMDUPCG | ABORT MISSION NOW | sigaba | sigaba | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
stager-route-v2-0262 | BOYRIEDDGATEDDAESWNTRX | BOYRIEDDGATEDDAESWNTRX | BRIDGE DESTROYED AT DAWN | stager_route | stager_route | transposition | {
"type": "integer",
"value": 11
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
cda-0015051 | ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -... | ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . / -- . .- ... ..- .-. . ... / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / -.. .. ... - .-. .. -... ..- - .. --- -... | FAIL CLOSED IS A POSTURE NOT A SLOGAN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | morse_code | morse_code | null | {} | hard | en | 165 | 165 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
geheimschreiber-v2-0234 | GDZVVNJUJMRGXYDRKDFCTCXKUJRNHKPVGTYMJRAOELIEHHGWHSLAFVPQJMYPXAGDIZCEWHEYPGQTQVLQNTHEEAMKFBJCLCGVVZCWJWLSNCEEWGQPXQOUNQBNYTGXAHPGXWBXOJZAOBEIDOT | GDZVVNJUJMRGXYDRKDFCTCXKUJRNHKPVGTYMJRAOELIEHHGWHSLAFVPQJMYPXAGDIZCEWHEYPGQTQVLQNTHEEAMKFBJCLCGVVZCWJWLSNCEEWGQPXQOUNQBNYTGXAHPGXWBXOJZAOBEIDOT | 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 | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0192 | 173 177 149 179 150 151 149 173 167 177 174 157 119 101 173 160 177 118 100 129 128 129 100 124 161 112 101 119 159 152 119 146 128 166 161 171 119 100 177 179 124 173 177 170 180 166 174 175 142 177 101 135 133 176 140 152 119 129 100 | 173 177 149 179 150 151 149 173 167 177 174 157 119 101 173 160 177 118 100 129 128 129 100 124 161 112 101 119 159 152 119 146 128 166 161 171 119 100 177 179 124 173 177 170 180 166 174 175 142 177 101 135 133 176 140 152 119 129 100 | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 177 | 235 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0336 | QMSFZGPGKHAXWIPKWFWCLGYOCZRXFJXLCUMMXJSMYQWFWCLGWFMMEKSEEKLRFJYOOVHFZJYPIHGMVZQFWYCO | QMSFZGPGKHAXWIPKWFWCLGYOCZRXFJXLCUMMXJSMYQWFWCLGWFMMEKSEEKLRFJYOOVHFZJYPIHGMVZQFWYCO | KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
diana-v2-0589 | AAAOJKZDTERDDONJMAGZBRJLMKHIARCLKHMMPANKOESGALKKVNRPPZOVARNSPXIRMLAQGZBEYTVWFMNHL | AAAOJKZDTERDDONJMAGZBRJLMKHIARCLKHMMPANKOESGALKKVNRPPZOVARNSPXIRMLAQGZBEYTVWFMNHL | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0303 | PRBFXLHMPTBCECGPLZC | PRBFXLHMPTBCECGPLZC | TREACHERY IN THE COURT | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
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