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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
confederate-vigenere-163 | LLGHYBUODISPFJQONNETUFZXJXJVPTRCFFKGWETKLXJMXVV | LLGHYBUODISPFJQONNETUFZXJXJVPTRCFFKGWETKLXJMXVV | THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
diana-v2-0237 | ZIACRHXNTELAIXNUWJIPDGAQLPAYQLLOPTHAWEJESSKXEQIHSOYQXXSGOPRZFWLZIELUAIOHLVEJSEXEXEHNEYLORGDFIAPGWDZHMCQGKJLCJUVDFZKURCPLHCVGAYECROIYJEVRJHWYOJTYGHHP | ZIACRHXNTELAIXNUWJIPDGAQLPAYQLLOPTHAWEJESSKXEQIHSOYQXXSGOPRZFWLZIELUAIOHLVEJSEXEXEHNEYLORGDFIAPGWDZHMCQGKJLCJUVDFZKURCPLHCVGAYECROIYJEVRJHWYOJTYGHHP | 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 | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SPECIAL"
} | intermediate | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
rail-fence-vg-0047 | IWTNIATTHTHNAEAERADLFMNEHOHTETHGMOEMHYHUHTEEOCMUTEARURUELTTTHNONFBOA | IWTNIATTHTHNAEAERADLFMNEHOHTETHGMOEMHYHUHTEEOCMUTEARURUELTTTHNONFBOA | I AM THE WAY THE TRUTH AND THE LIFE NO MAN COMETH UNTO THE FATHER BUT THROUGH ME ALONE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 4
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
trifid-v2-0111 | UBCDJURYDYWGLTMWAP+WJNIFCSPDOAWGROVXRPMOORPFVISPOYUCXAZPIIYHPWGEODPBUK+HPMVYRBLKLWIYVYXBIGKCSXJAVGAZTRAVGGVJSDEQFQBQUDBOHPHBHKMZSAPNMJCN+DTCCAAJUR+V | UBCDJURYDYWGLTMWAP+WJNIFCSPDOAWGROVXRPMOORPFVISPOYUCXAZPIIYHPWGEODPBUK+HPMVYRBLKLWIYVYXBIGKCSXJAVGAZTRAVGGVJSDEQFQBQUDBOHPHBHKMZSAPNMJCN+DTCCAAJUR+V | 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 | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0151 | 52 57 26 55 56 54 76 43 36 36 37 66 67 48 45 37 56 55 50 63 68 45 46 29 56 66 63 47 45 30 56 45 58 93 70 54 56 48 55 67 95 46 45 40 46 28 49 65 46 42 60 35 56 39 65 59 64 47 28 55 39 57 58 52 27 56 55 48 83 49 84 | 52 57 26 55 56 54 76 43 36 36 37 66 67 48 45 37 56 55 50 63 68 45 46 29 56 66 63 47 45 30 56 45 58 93 70 54 56 48 55 67 95 46 45 40 46 28 49 65 46 42 60 35 56 39 65 59 64 47 28 55 39 57 58 52 27 56 55 48 83 49 84 | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 142 | 212 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0207 | TPTWVMVTBWBRBMTVZUQRGTNQUVESGBNRVXALXAYVITXTWLRJGTFLWDUKMRGBNNKKVDKCZPYNQSGFUXVWK | TPTWVMVTBWBRBMTVZUQRGTNQUVESGBNRVXALXAYVITXTWLRJGTFLWDUKMRGBNNKKVDKCZPYNQSGFUXVWK | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
bifid-v2-0172 | SUFMFGTXRKHCFTSOSCMNFESMRTSRESKRFARSVOGNOBNXSIRBSXLDXONISCNKDKAVYDAICDWTGSX | SUFMFGTXRKHCFTSOSCMNFESMRTSRESKRFARSVOGNOBNXSIRBSXLDXONISCNKDKAVYDAICDWTGSX | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | bifid | bifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
rail-fence-fr-022 | TUCQISECSIETNINFATOTEUETXESFSISGIIN | TUCQISECSIETNINFATOTEUETXESFSISGIIN | TOUT CE QUI EST EXCESSIF EST INSIGNIFIANT | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 2
} | intermediate | fr | 35 | 35 | cipher_museum | 0.2 | public | null | null |
cda-0020725 | -.- . .-. -.-. -.- .... --- ..-. ..-. ... / .--. .-. .. -. -.-. .. .--. .-.. . / ... .- -.-- ... / - .... . / ... -.-- ... - . -- / -- ..- ... - / -... . / ... . -.-. ..- .-. . / . ...- . -. / .. ..-. / . -. . -- -.-- / -.- -. --- .-- ... / .- .-.. --. --- .-. .. - .... -- / -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -.... | -.- . .-. -.-. -.- .... --- ..-. ..-. ... / .--. .-. .. -. -.-. .. .--. .-.. . / ... .- -.-- ... / - .... . / ... -.-- ... - . -- / -- ..- ... - / -... . / ... . -.-. ..- .-. . / . ...- . -. / .. ..-. / . -. . -- -.-- / -.- -. --- .-- ... / .- .-.. --. --- .-. .. - .... -- / -.-. --- .-.. ..- -- -. .- .-. / - .-. .- -.... | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | morse_code | morse_code | null | {} | hard | en | 150 | 150 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
affine-v2-0400 | RQDQRW CPR MUPEYWJ | RQDQRW CPR MUPEYWJ | DIVIDE AND CONQUER | affine | affine | substitution | {
"a": 5,
"b": 2
} | beginner | en | 16 | 18 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-es-022 | EONERMUOALLOQLMNAA | EONERMUOALLOQLMNAA | EL QUE NO LLORA NO MAMA | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | es | 18 | 18 | cipher_museum | 0.2 | public | null | null |
copiale-v3-0296 | A7 U1 N6 N6 U1 E3 P6 K6 E1 R0 S6 J4 A2 U6 F9 G4 U1 G4 U0 Q5 S9 K5 U8 G2 P5 P9 I0 M1 A3 M4 A5 U2 O9 M4 P3 O9 P5 K5 I2 V2 P3 E6 Z2 W4 O9 A3 G4 J9 A4 S9 S6 K8 D8 E3 W5 C7 U8 U0 E3 S9 W2 R9 V6 D0 E7 J8 W4 F9 W5 V2 A3 K6 J6 R7 U0 E3 J3 O9 Y8 W6 J2 K6 J6 | A7 U1 N6 N6 U1 E3 P6 K6 E1 R0 S6 J4 A2 U6 F9 G4 U1 G4 U0 Q5 S9 K5 U8 G2 P5 P9 I0 M1 A3 M4 A5 U2 O9 M4 P3 O9 P5 K5 I2 V2 P3 E6 Z2 W4 O9 A3 G4 J9 A4 S9 S6 K8 D8 E3 W5 C7 U8 U0 E3 S9 W2 R9 V6 D0 E7 J8 W4 F9 W5 V2 A3 K6 J6 R7 U0 E3 J3 O9 Y8 W6 J2 K6 J6 | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 166 | 248 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0257 | TROILESTGEOCIBCYIHKSNTREATARTCEIRCHSHDPDORKIATYWILNACWRTESIAGDANLEIHNST | TROILESTGEOCIBCYIHKSNTREATARTCEIRCHSHDPDORKIATYWILNACWRTESIAGDANLEIHNST | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0006994 | OTIT ICOT SFCL SLWI PONV OALH TCEC PSIN EODE NTSE HOIL AHTG NLER GIEI EISU ROSX SSPI OOXR INAE EURX OAEF ONPL NCUA NLEX ULNI DALI DIST TDAX RLDC ELAM EDER TSSX COEA DTII XEFA OHOX EWNT UONT ONUN OONX | OTIT ICOT SFCL SLWI PONV OALH TCEC PSIN EODE NTSE HOIL AHTG NLER GIEI EISU ROSX SSPI OOXR INAE EURX OAEF ONPL NCUA NLEX ULNI DALI DIST TDAX RLDC ELAM EDER TSSX COEA DTII XEFA OHOX EWNT UONT ONUN OONX | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE INDEX OF COINCIDENCE IS A USEFUL CLUE A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | scytale | scytale | null | {
"cols": 10
} | hard | en | 160 | 160 | synthetic_educational | null | null | [] | |
cda-0006287 | FSERT OWERK RTYOI GANEI IILMC RRCFN EMESS ADEUG DANTC PSALX MTGAR HPNTX AETTY YADHX NDHIP RTCIX EKFST EIANX | FSERT OWERK RTYOI GANEI IILMC RRCFN EMESS ADEUG DANTC PSALX MTGAR HPNTX AETTY YADHX NDHIP RTCIX EKFST EIANX | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | scytale | scytale | null | {
"cols": 9
} | hard | en | 90 | 90 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
bifid-v2-0517 | SDUGCOHNVTNIOTAIDQOSESBDSDEOQKAWODWOTANQFVZNGDLWITTRBGOBOIIQCECWWUIUHI | SDUGCOHNVTNIOTAIDQOSESBDSDEOQKAWODWOTANQFVZNGDLWITTRBGOBOIIQCECWWUIUHI | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | bifid | bifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
cda-0019007 | ⟨w08⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a13⟩ ⟨w20⟩ ⟨w20⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a19⟩ ⟨w20⟩ ⟨a... | ⟨w08⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a25⟩ ⟨w10⟩ ⟨w10⟩ ⟨a01⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w28⟩ ⟨a01⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w10⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a13⟩ ⟨w20⟩ ⟨w20⟩ ⟨a19⟩ ⟨a19⟩ ⟨w20⟩ ⟨a31⟩ ⟨w32⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a19⟩ ⟨w20⟩ ⟨a... | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | babington | babington | null | {} | hard | en | 122 | 122 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
stager-route-055 | EREEAKPAEROHAEEHESEUTTTEORABADYVNEESTCYVESRHAERDECESRKWSKHRH | EREEAKPAEROHAEEHESEUTTTEORABADYVNEESTCYVESRHAERDECESRKWSKHRH | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | stager_route | stager_route | transposition | {
"type": "integer",
"value": 3
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
cda-0016543 | 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 82 80 80 69 80 52 69 80 80 82 52 66 50 69 29 68 29 11 11 82 66 82 52 66 50 69 29 68 80 82 76 59 29 11 68 77 82 29 66 68 57 66 69 61 82 52 59 80 82 61 43 61 66 82 77 61 | 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 82 80 80 69 80 52 69 80 80 82 52 66 50 69 29 68 29 11 11 82 66 82 52 66 50 69 29 68 80 82 76 59 29 11 68 77 82 29 66 68 57 66 69 61 82 52 59 80 82 61 43 61 66 82 77 61 | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | wallis_cipher | wallis_cipher | null | {} | hard | en | 106 | 106 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
vigenere-v3-0727 | LPZPVIJUYWIQUXCDVSOZLZLHLRRXEHBIFMMJYDPRKFEOSVZIZWPBIOMCDYSXUMPTJCRQELGSRANZXAZCGBQKTKHLRBBGTQVLXQPUOPLAFHHBHFXBCAVMFKXGLSVNBQWLGMTVXAZWRGMIAPUIAKBHLFZVKBQBWPQQKVHAIEQZPUQSQMYGLOOVVD | LPZPVIJUYWIQUXCDVSOZLZLHLRRXEHBIFMMJYDPRKFEOSVZIZWPBIOMCDYSXUMPTJCRQELGSRANZXAZCGBQKTKHLRBBGTQVLXQPUOPLAFHHBHFXBCAVMFKXGLSVNBQWLGMTVXAZWRGMIAPUIAKBHLFZVKBQBWPQQKVHAIEQZPUQSQMYGLOOVVD | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "PHOENIX"
} | intermediate | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
cda-0008306 | IAEE CFSM MCEI ISIC XRDR DTHE UGSH NRMR EETP AIIP AGTF YQNX TPSP EXFA MAEP KNHE SRLE OOTS THRD NSIR ESLX IGET IAD | IAEE CFSM MCEI ISIC XRDR DTHE UGSH NRMR EETP AIIP AGTF YQNX TPSP EXFA MAEP KNHE SRLE OOTS THRD NSIR ESLX IGET IAD | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS | double_transposition | double_transposition | null | {
"key1": "JUSTICE",
"key2": "PATTERN"
} | hard | en | 91 | 91 | synthetic_educational | null | null | [] | |
four-square-v2-0016 | CMZBRKWSCUUACP | CMZBRKWSCUUACP | COVER MY RETREAT | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0016836 | 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5 3 15 12 21 13 14 1 18 20 18 1 14 19 ... | 20 8 5 1 21 20 15 11 5 25 3 9 16 8 5 18 5 24 20 5 14 4 19 20 8 5 11 5 25 23 9 20 8 20 8 5 16 12 1 9 14 20 5 24 20 9 20 19 5 12 6 1 19 20 18 15 14 7 3 12 1 9 13 14 5 5 4 19 19 20 18 15 14 7 5 22 9 4 5 14 3 5 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5 3 15 12 21 13 14 1 18 20 18 1 14 19 ... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF A STRONG CLAIM NEEDS STRONG EVIDENCE THE MESSAGE WAS HIDDEN BUT NOT SECURE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER SLOWLY | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 162 | 162 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
cda-0013794 | THEE NIGM AZAC HINE USED ROTO RSTO CXEA TEAP OLYA LPHA BETI CCIP HEXS ECUX ITYC XAIM SZHO ULZB ETES TEDU NDER SCRU TIZY THEZ ESSA GEWA SHID DENB UTNZ TSEC ZREH UZAN REXD ABLE OUTP UTSH OXLD SHXW ALLR EASO NING STEP SXX | THEE NIGM AZAC HINE USED ROTO RSTO CXEA TEAP OLYA LPHA BETI CCIP HEXS ECUX ITYC XAIM SZHO ULZB ETES TEDU NDER SCRU TIZY THEZ ESSA GEWA SHID DENB UTNZ TSEC ZREH UZAN REXD ABLE OUTP UTSH OXLD SHXW ALLR EASO NING STEP SXX | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE MESSAGE WAS HIDDEN BUT NOT SECURE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | 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. |
wallis-cipher-v3-0015 | 90 55 61 56 91 126 90 59 54 22 33 34 24 91 | 90 55 61 56 91 126 90 59 54 22 33 34 24 91 | THE SIEGE BEGINS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 29 | 42 | cipher_museum | 2.0 | public | null | null |
noisy-columnar_transposition-historical_spelling-003 | BLKRSEEPSACAEERTBAYTPDKODRHOLECESNWETREYOAHEARWSHRBRTHYPE | BLKRSEEPSACAEERTBAYTPDKODRHOLECESNWETREYOAHEARWSHRBRTHYPE | BLETCHLEY PARK CODEBREAKERS SHORTENED THY WAR BY PERHAPS TWO YEARS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
confederate-vigenere-v2-0145 | TWPAMQGKRADLQBZDUM | TWPAMQGKRADLQBZDUM | CONTACT HAS BEEN MADE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0238 | 148 174 161 179 115 149 115 177 167 101 154 131 102 142 181 160 156 138 117 139 128 155 128 156 161 112 155 128 143 154 171 165 158 117 143 169 146 161 177 179 182 135 140 170 132 177 182 135 128 143 154 171 161 155 128 135 178 172 163 136 149 157 156 114 161 177 182 135 140 132 177 182 129 143 169 117 168 153 161 155 ... | 148 174 161 179 115 149 115 177 167 101 154 131 102 142 181 160 156 138 117 139 128 155 128 156 161 112 155 128 143 154 171 165 158 117 143 169 146 161 177 179 182 135 140 170 132 177 182 135 128 143 154 171 161 155 128 135 178 172 163 136 149 157 156 114 161 177 182 135 140 132 177 182 129 143 169 117 168 153 161 155 ... | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 348 | 463 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0082 | DVPAAORUHBQLLDOEXRSZOBHQXAAGEQPMBUGDHHOUQBNPFXOYZBDPSNQOUITQWVYMMSNKLYKHMIATFNTVL | DVPAAORUHBQLLDOEXRSZOBHQXAAGEQPMBUGDHHOUQBNPFXOYZBDPSNQOUITQWVYMMSNKLYKHMIATFNTVL | THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-v3-0220 | 21227237372284 | 21227237372284 | DEUS VULT | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "RASTONICEL"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0012085 | 857 822 812 999 812 839 824 818 837 801 999 837 802 808 823 824 840 814 999 860 856 814 811 999 853 844 859 843 851 855 999 859 843 999 808 851 814 801 859 812 999 802 999 846 842 833 874 802 834 847 822 800 805 812 857 824 807 999 806 824 847 823 812 851 999 820 852 844 839 856 815 813 835 810 999 862 854 812 854 999 ... | 857 822 812 999 812 839 824 818 837 801 999 837 802 808 823 824 840 814 999 860 856 814 811 999 853 844 859 843 851 855 999 859 843 999 808 851 814 801 859 812 999 802 999 846 842 833 874 802 834 847 822 800 805 812 857 824 807 999 806 824 847 823 812 851 999 820 852 844 839 856 815 813 835 810 999 862 854 812 854 999 ... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION | culper_ring | culper_ring | null | {} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cardano-autokey-v3-0415 | RETWTIMRWZMHPMNJDVPSFYOXALNJPPNRWWTJLGAPGKXWLVDMCJPVRFFJTFVXALWWGQBQZKFCOZWRRLDGQQWVRHWALXXVDOTPNITNNLJQAASNQVHTRGAPAUCRVIVRTMALWAOTNLDAVGXPWTOKRPGWWVMDKGFVCTOLVTGMQVZKCNPQRHFSVEKSVT | RETWTIMRWZMHPMNJDVPSFYOXALNJPPNRWWTJLGAPGKXWLVDMCJPVRFFJTFVXALWWGQBQZKFCOZWRRLDGQQWVRHWALXXVDOTPNITNNLJQAASNQVHTRGAPAUCRVIVRTMALWAOTNLDAVGXPWTOKRPGWWVMDKGFVCTOLVTGMQVZKCNPQRHFSVEKSVT | WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 182 | 182 | cipher_museum | 2.0 | public | null | null |
affine-372 | CAPJKX IKM CJUHSKT | CAPJKX IKM CJUHSKT | CIPHER KEY CHANGED | affine | affine | substitution | {
"a": 17,
"b": 20
} | beginner | en | 16 | 18 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v2-0147 | 90 17 81 85 67 91 90 15 44 89 53 63 30 61 91 | 90 17 81 85 67 91 90 15 44 89 53 63 30 61 91 | KNOW THYSELF | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "ENGLAND"
} | expert | en | 30 | 44 | cipher_museum | 2.0 | public | null | null |
affine-vf-0139 | QXI DNHK QTVUI JN JUTOX AXWNKX PXO IUBI IUXD PBD JXX DNHK VNNY FNKRJ BOY VQNKTWD DNHK WBIUXK TO UXBGXO | QXI DNHK QTVUI JN JUTOX AXWNKX PXO IUBI IUXD PBD JXX DNHK VNNY FNKRJ BOY VQNKTWD DNHK WBIUXK TO UXBGXO | LET YOUR LIGHT SO SHINE BEFORE MEN THAT THEY MAY SEE YOUR GOOD WORKS AND GLORIFY YOUR FATHER IN HEAVEN | affine | affine | substitution | {
"a": 25,
"b": 1
} | beginner | en | 83 | 102 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0207 | ABEGBCCFTYBQTDSFZEFI | ABEGBCCFTYBQTDSFZEFI | THE KING DEMANDS FEALTY | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
playfair-418 | LFYVGAAQGAYFLBXZ | LFYVGAAQGAYFLBXZ | FORWARD MARCH NOW | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "CRYPTO"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
stager-route-v2-0358 | GRAABURDIOSETLSENNLIEIVSKENNOCUERMONCGDXXCTRSMBALEMSYHIXXPEPHURORONATAHXXEPELINDEECLDPRX | GRAABURDIOSETLSENNLIEIVSKENNOCUERMONCGDXXCTRSMBALEMSYHIXXPEPHURORONATAHXXEPELINDEECLDPRX | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | stager_route | stager_route | transposition | {
"type": "integer",
"value": 11
} | expert | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
porta-v2-0720 | TNKLLARYAJZFWBBLJUFTYUYNVYQUSBYEORMWVIUWKYYGBYELJWKRXRUHQYQTEGOBRUFIUWSVICWL | TNKLLARYAJZFWBBLJUFTYUYNVYQUSBYEORMWVIUWKYYGBYELJWKRXRUHQYQTEGOBRUFIUWSVICWL | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "PAPAL"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
red-type-a-101 | IDLLUKPJYFEYETBEEWBGUJYWSYNITUUOBODBNAQUEEFYDSA | IDLLUKPJYFEYETBEEWBGUJYWSYNITUUOBODBNAQUEEFYDSA | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
cda-0016164 | DIBEH / NO-DA-IH / SHUSH / DIBEH / THAN-ZIE / TKIN / THAN-ZIE / NO-DA-IH / THAN-ZIE / TKIN / A-KHA / TSAH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / DIBEH / NA-AS-TSO-SI / WOL-LA-CHEE / CLA-GI-AIH / DZEH / WOL-LA-CHEE / ... | DIBEH / NO-DA-IH / SHUSH / DIBEH / THAN-ZIE / TKIN / THAN-ZIE / NO-DA-IH / THAN-ZIE / TKIN / A-KHA / TSAH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / DIBEH / NA-AS-TSO-SI / WOL-LA-CHEE / CLA-GI-AIH / DZEH / WOL-LA-CHEE / ... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | navajo_code | navajo_code | null | {} | hard | en | 215 | 215 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
cda-0003973 | OEHG RSBE PRJB EXFB AYLJ URAG URXR LFCN PRVF FZNY Y | OEHG RSBE PRJB EXFB AYLJ URAG URXR LFCN PRVF FZNY Y | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
arnold-andre-v2-0011 | 13.1.1 14.4.5 14.1.1 14.4.3 14.2.2 14.1.5 14.4.5 15.1.1 13.1.1 14.1.1 14.1.3 14.4.2 14.5.1 14.2.4 14.4.3 14.1.5 14.1.4 15.1.1 | 13.1.1 14.4.5 14.1.1 14.4.3 14.2.2 14.1.5 14.4.5 15.1.1 13.1.1 14.1.1 14.1.3 14.4.2 14.5.1 14.2.4 14.4.3 14.1.5 14.1.4 15.1.1 | TARGET ACQUIRED | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 108 | 125 | cipher_museum | 2.0 | public | null | null |
vigenere-217 | SCNIGQXCTILFKIJKCHQGWHYMFBKECPBULVCOWBWRLK | SCNIGQXCTILFKIJKCHQGWHYMFBKECPBULVCOWBWRLK | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
atbash-v3-0014 | OLDVI GSV WIZDYIRWTV | OLDVI GSV WIZDYIRWTV | LOWER THE DRAWBRIDGE | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 18 | 20 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0156 | TNMMBJTFSDIMLXWDYDWHVZPTTUGVOWSARYQDANVHIBHFZZPESHNOKZPRMESTXRYZGJMPXEEYBJ | TNMMBJTFSDIMLXWDYDWHVZPTTUGVOWSARYQDANVHIBHFZZPESHNOKZPRMESTXRYZGJMPXEEYBJ | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "6,1,4,2,5,3"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0021205 | CLA-GI-AIH / A-KHA / DIBEH-YAZZIE / TSAH-AS-ZIH / SHUSH / TKIN / NO-DA-IH / DIBEH / DZEH / TSAH / MOASI / A-KHA / BE / DZEH / BE / DIBEH-YAZZIE / DZEH / THAN-ZIE / THAN-ZIE / DZEH / GAH / DIBEH / WOL-LA-CHEE / DIBEH / CLA-GI... | CLA-GI-AIH / A-KHA / DIBEH-YAZZIE / TSAH-AS-ZIH / SHUSH / TKIN / NO-DA-IH / DIBEH / DZEH / TSAH / MOASI / A-KHA / BE / DZEH / BE / DIBEH-YAZZIE / DZEH / THAN-ZIE / THAN-ZIE / DZEH / GAH / DIBEH / WOL-LA-CHEE / DIBEH / CLA-GI... | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | navajo_code | navajo_code | null | {} | hard | en | 210 | 210 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
columnar-transposition-v2-0323 | TEFINWAGTLSIHOSAFMATOETTESOONUONSSMAEDAFFHWBTTAINEEISAEIWGSDORS | TEFINWAGTLSIHOSAFMATOETTESOONUONSSMAEDAFFHWBTTAINEEISAEIWGSDORS | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
cda-0015517 | NNTTC VJFNJ XYFOE XIWKR YIRFQ BKKQH FEHPR VFTMA BORBR EVTJN MMVSL ANNJT HCAYZ EKZFG YOALC YZXHD UCQSW KTZDO NWRZI IUGCA GQEEX ENYGI UEQDB ITHBY CSDRB PDGRX KDZHB XMIXX GUUZE GVGCL FUSAN WGKCX WYWSJ HMFME JGHMG MAJSX VEMIR OISYW VXZDQ SHXTX | NNTTC VJFNJ XYFOE XIWKR YIRFQ BKKQH FEHPR VFTMA BORBR EVTJN MMVSL ANNJT HCAYZ EKZFG YOALC YZXHD UCQSW KTZDO NWRZI IUGCA GQEEX ENYGI UEQDB ITHBY CSDRB PDGRX KDZHB XMIXX GUUZE GVGCL FUSAN WGKCX WYWSJ HMFME JGHMG MAJSX VEMIR OISYW VXZDQ SHXTX | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | one_time_pad | one_time_pad | null | {} | hard | en | 200 | 200 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
cda-0020921 | - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -... | - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -... | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | morse_code | morse_code | null | {} | hard | en | 168 | 168 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
aeneas-tacticus-v2-0002 | 3 1 18 20 8 1 7 5 13 21 19 20 2 5 4 5 19 20 18 15 25 5 4 | 3 1 18 20 8 1 7 5 13 21 19 20 2 5 4 5 19 20 18 15 25 5 4 | CARTHAGE MUST BE DESTROYED | aeneas_tacticus | aeneas_tacticus | steganography | {
"type": "none",
"value": null
} | expert | en | 34 | 56 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0029 | CUEZJJIZIEQJNQPZHREIC | CUEZJJIZIEQJNQPZHREIC | PATIENCE BRINGS VICTORY | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-1221 | NGRLBHEAGECMELIGWATMTHAMEIUNOHIBOKRIPCTADCUETCENIAANOENTBTENARNARDNMLOATMGHH | NGRLBHEAGECMELIGWATMTHAMEIUNOHIBOKRIPCTADCUETCENIAANOENTBTENARNARDNMLOATMGHH | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
vernam-v3-0134 | YJQPUCAQBCIFJNYTHOYCXPYJAYOARUBQGGPTGAQSOUPKDSEGLVRQDKJJVMNAYCEOZJRS | YJQPUCAQBCIFJNYTHOYCXPYJAYOARUBQGGPTGAQSOUPKDSEGLVRQDKJJVMNAYCEOZJRS | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | vernam | vernam | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0298 | HNTIASYNULEWIEHCONROEWSMWERAEWMSIATWAYHESSAAHCLEOALLETNAHLBTMDAT | HNTIASYNULEWIEHCONROEWSMWERAEWMSIATWAYHESSAAHCLEOALLETNAHLBTMDAT | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0195 | QKOMUQCSNQNMKCOQ | QKOMUQCSNQNMKCOQ | SOUND THE TRUMPETS | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0619 | OHQPHXTHYXFYPOHIJHAQKHUHHQHKBKQOLRKHYFHKLXBAVHQFGGBVATKBHUBGXJFRKBBKSHAQFQPYHQFRLPHQFTBOHJYSPPFVFXGKHYBGHYYKHQFOHIFQQFXGXIYHDTFGFUFKROBFYKLPHTOLJHHAQRRLHOBMKFMFC | OHQPHXTHYXFYPOHIJHAQKHUHHQHKBKQOLRKHYFHKLXBAVHQFGGBVATKBHUBGXJFRKBBKSHAQFQPYHQFRLPHQFTBOHJYSPPFVFXGKHYBGHYYKHQFOHIFQQFXGXIYHDTFGFUFKROBFYKLPHTOLJHHAQRRLHOBMKFMFC | 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 | bazeries | bazeries | transposition | {
"type": "integer",
"value": 53
} | advanced | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
cda-0016010 | takes house early incur north depot enter xerox outer first cause opens incur night cover intel delay enemy notes carry enter incur scout along upper | takes house early incur north depot enter xerox outer first cause opens incur night cover intel delay enemy notes carry enter incur scout along upper | THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION TODAY | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0012156 | . .. . ..... . . .... ..... .. . ... .... .... .. .... .... .. .... .... ... .... .... .. ... . ..... .... .. . ..... . ... .. .... ... ..... .... .. ... .... . ... . . ... . ... .... .. . ..... . .. .... .. .. . ..... ... ... . ..... .... .. . ..... . . ... ... . .... . .... . ....... | . .. . ..... . . .... ..... .. . ... .... .... .. .... .... .. .... .... ... .... .... .. ... . ..... .... .. . ..... . ... .. .... ... ..... .... .. ... .... . ... . . ... . ... .... .. . ..... . .. .... .. .. . ..... ... ... . ..... .... .. . ..... . . ... ... . .... . .... . ....... | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF | tap_code | tap_code | null | {} | medium | en | 50 | 50 | 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. |
joseon-yeokhak-v2-0101 | LMCBAKPTIVLCJMZITTMAQVLMZEMTBEMVVMAABMBAHCAKPCBHCVLBZCBHMJZLMZTQKPHCAIUUMVPTB | LMCBAKPTIVLCJMZITTMAQVLMZEMTBEMVVMAABMBAHCAKPCBHCVLBZCBHMJZLMZTQKPHCAIUUMVPTB | DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0375 | QTWXHCWGETGF SZGFE WGLN UKGJF KGXTGF SKG KUEKVTG SKCGEQ YZYTETTY TZRQETTY EQT UKGJF AZMM WEEWUO WE ITGK QKCG AZEQ WMM WBWZMWVMT SKGUTF EQT KVPTUEZBT ZF EQT GZXRT KBTGMKKOZYR EQT WGRKYYT SKGTFE | QTWXHCWGETGF SZGFE WGLN UKGJF KGXTGF SKG KUEKVTG SKCGEQ YZYTETTY TZRQETTY EQT UKGJF AZMM WEEWUO WE ITGK QKCG AZEQ WMM WBWZMWVMT SKGUTF EQT KVPTUEZBT ZF EQT GZXRT KBTGMKKOZYR EQT WGRKYYT SKGTFE | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 163 | 192 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0047 | ZELRGW3CMSRQKFLSBVLAHSCVLMLDGKCAGDMQ6LDTRPLLDFGM5RFUPHLD5IRDPSAEGL | ZELRGW3CMSRQKFLSBVLAHSCVLMLDGKCAGDMQ6LDTRPLLDFGM5RFUPHLD5IRDPSAEGL | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
cda-0018836 | XSIF NNJB IINW FUEQ XFXN JZNU TMGW WQDP YXNH INRA GHLC BHII SQKI ROLK CEUD ULKY XIXQ JJAW KSHS RUPY TMKE WRIZ LHPN HRR | XSIF NNJB IINW FUEQ XFXN JZNU TMGW WQDP YXNH INRA GHLC BHII SQKI ROLK CEUD ULKY XIXQ JJAW KSHS RUPY TMKE WRIZ LHPN HRR | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | vernam | vernam | null | {} | hard | en | 95 | 95 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
cda-0007720 | DARQ SSIU DTUA OEIN AUEI PMAP LLNP GDPE XMHA BUDL ISRT HNPP ENLT SRNX ARFC OLRR ESHE GXPI RISE SEOH OASX HGEE ECHA UOWS TX | DARQ SSIU DTUA OEIN AUEI PMAP LLNP GDPE XMHA BUDL ISRT HNPP ENLT SRNX ARFC OLRR ESHE GXPI RISE SEOH OASX HGEE ECHA UOWS TX | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | scytale | scytale | null | {
"cols": 7
} | hard | en | 98 | 98 | synthetic_educational | null | null | [] | |
one-time-pad-064 | SFBLVWDSXUXGQQWSEMYKI | SFBLVWDSXUXGQQWSEMYKI | THE PACKAGE IS DELIVERED | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
two-square-v3-0139 | THERYKIVCXYEINWRPZ | THERYKIVCXYEINWRPZ | THE RAILWAY ARRIVES | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0007719 | USCQ XQPU LYJP PFNQ IGUX SFCU WBOI HQFU VHWT XKWM PVVV ZCTV LYVU KRSI JUWT SJED QDJR KJST CUJU FCFM FSUQ TUQT RYFD VLTO HQRI FEWF FUJQ QFMU QRQT FZSQ BJPW MFJT ONNJ VVHM BUVN DBNF NQIG UXUF CFMX IAPT EFTQ XFDW UNUZ ODYU FTVX MPYO D | USCQ XQPU LYJP PFNQ IGUX SFCU WBOI HQFU VHWT XKWM PVVV ZCTV LYVU KRSI JUWT SJED QDJR KJST CUJU FCFM FSUQ TUQT RYFD VLTO HQRI FEWF FUJQ QFMU QRQT FZSQ BJPW MFJT ONNJ VVHM BUVN DBNF NQIG UXUF CFMX IAPT EFTQ XFDW UNUZ ODYU FTVX MPYO D | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS SLOWLY | gronsfeld | gronsfeld | null | {
"key": "11235"
} | hard | en | 185 | 185 | synthetic_educational | null | null | [] | |
wheatstone-v3-0195 | ZARMHKMWIADCAPRMMBSLIIMWMKAPLRTYTMPRMVAHKMWIADCAWFTEMUTRAVALIFKCTEAHKMWIADCAFTSAIB | ZARMHKMWIADCAPRMMBSLIIMWMKAPLRTYTMPRMVAHKMWIADCAWFTEMUTRAVALIFKCTEAHKMWIADCAFTSAIB | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0360 | 23 09 20 08 13 01 12 09 03 05 20 15 23 01 18 04 14 15 14 05 23 09 20 08 03 08 01 18 09 20 25 06 15 18 01 12 12 23 09 20 08 06 09 18 13 14 05 19 19 64 60 18 09 07 08 20 01 19 07 15 04 07 09 22 05 19 21 19 63 19 05 05 60 18 09 07 08 20 12 05 20 21 19 19 20 18 09 22 05 15 14 63 06 09 14 09 19 08 60 23 15 18 11 23 05 01 18... | 23 09 20 08 13 01 12 09 03 05 20 15 23 01 18 04 14 15 14 05 23 09 20 08 03 08 01 18 09 20 25 06 15 18 01 12 12 23 09 20 08 06 09 18 13 14 05 19 19 64 60 18 09 07 08 20 01 19 07 15 04 07 09 22 05 19 21 19 63 19 05 05 60 18 09 07 08 20 12 05 20 21 19 19 20 18 09 22 05 15 14 63 06 09 14 09 19 08 60 23 15 18 11 23 05 01 18... | 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 | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 260 | 389 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0092 | KGLX UX QGL OCIVZL CJ GIDYX LRLXQZ UQ PLOCDLZ XLOLZZYVA JCV CXL BLCBEL QC MUZZCERL QGL BCEUQUOYE PYXMZ KGUOG GYRL OCXXLOQLM QGLD KUQG YXCQGLV QGLA ZGCIEM MLOEYVL QGL OYIZLZ KGUOG UDBLE QGL ZLBYVYQUCX | KGLX UX QGL OCIVZL CJ GIDYX LRLXQZ UQ PLOCDLZ XLOLZZYVA JCV CXL BLCBEL QC MUZZCERL QGL BCEUQUOYE PYXMZ KGUOG GYRL OCXXLOQLM QGLD KUQG YXCQGLV QGLA ZGCIEM MLOEYVL QGL OYIZLZ KGUOG UDBLE QGL ZLBYVYQUCX | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 167 | 199 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0121 | KPGRUBTGVUCUPGSHRTVF | KPGRUBTGVUCUPGSHRTVF | THE KING DEMANDS FEALTY | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
zimmermann-v2-0069 | 99999 90014 90013 90002 90004 99998 99999 90020 90015 90014 90013 99998 00005 99999 90012 90008 90003 90013 90008 90006 90007 90019 99998 99999 90003 90017 90004 90000 90017 90024 99998 99999 90022 90007 90008 90011 90004 99998 99999 90008 99998 99999 90015 90014 90013 90003 90004 90017 90004 90003 99998 99999 90022 90... | 99999 90014 90013 90002 90004 99998 99999 90020 90015 90014 90013 99998 00005 99999 90012 90008 90003 90013 90008 90006 90007 90019 99998 99999 90003 90017 90004 90000 90017 90024 99998 99999 90022 90007 90008 90011 90004 99998 99999 90008 99998 99999 90015 90014 90013 90003 90004 90017 90004 90003 99998 99999 90022 90... | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 480 | 575 | cipher_museum | 2.0 | public | null | null |
adfgvx-040 | GFAGGDAGDGFDAAFAXAGXAAGAVXAGGFDFGFFDGFDFAGFFAGADGVVAXGVGXGVXGVGGFGFGGDXFFFGGDDXDDADFFDADFDAFDGDD | GFAGGDAGDGFDAAFAXAGXAAGAVXAGGFDFGFFDGFDFAGFFAGADGVVAXGVGXGVXGVGGFGFGGDXFFFGGDDXDDADFFDADFDAFDGDD | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | adfgvx | adfgvx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 96 | 96 | cipher_museum | 0.2 | public | null | null |
caesar-v2-0618 | BPIB WV BPM NQZAB LIG WN RIVCIZG QV BPM GMIZ WN WCZ TWZL WVM BPWCAIVL MQOPB PCVLZML IVL AQFBG BPZMM ITT XMZAWVA PMTL IA ATIDMA EQBPQV IVG ABIBM QV ZMJMTTQWV IOIQVAB BPM CVQBML ABIBMA APITT JM NZMM | BPIB WV BPM NQZAB LIG WN RIVCIZG QV BPM GMIZ WN WCZ TWZL WVM BPWCAIVL MQOPB PCVLZML IVL AQFBG BPZMM ITT XMZAWVA PMTL IA ATIDMA EQBPQV IVG ABIBM QV ZMJMTTQWV IOIQVAB BPM CVQBML ABIBMA APITT JM NZMM | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | caesar | caesar | substitution | {
"type": "shift",
"value": 8
} | beginner | en | 160 | 196 | cipher_museum | 2.0 | public | null | null |
vigenere-v2-1168 | WINNAQVMIKXKNSAOE | WINNAQVMIKXKNSAOE | NOVUS ORDO SECLORUM | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0307 | THEFEAROFTHELORDISTHEBEGINNINGOFWISDOMANDKNOWLEDGEOFTHEHOLYONEISUNDERSTANDING | THEFEAROFTHELORDISTHEBEGINNINGOFWISDOMANDKNOWLEDGEOFTHEHOLYONEISUNDERSTANDING | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0118 | 0012 0729 0729 0408 0012 1503 0729 0538 1346 0219 0538 1599 0538 0219 0285 0219 0538 0856 1421 0918 1421 0472 1255 0285 0285 1024 0012 1255 1421 1346 0918 0856 0285 0918 0347 1672 0472 0538 0156 0472 1421 0472 0285 0074 0285 0729 0408 0012 0285 0538 0856 0472 0012 0074 0538 1421 1421 0472 0285 0012 1187 1503 0538 1421 ... | 0012 0729 0729 0408 0012 1503 0729 0538 1346 0219 0538 1599 0538 0219 0285 0219 0538 0856 1421 0918 1421 0472 1255 0285 0285 1024 0012 1255 1421 1346 0918 0856 0285 0918 0347 1672 0472 0538 0156 0472 1421 0472 0285 0074 0285 0729 0408 0012 0285 0538 0856 0472 0012 0074 0538 1421 1421 0472 0285 0012 1187 1503 0538 1421 ... | 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 | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 544 | 679 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0018 | B5 I4 Y0 S3 G6 Q7 I3 N3 A1 B3 V4 J9 O1 | B5 I4 Y0 S3 G6 Q7 I3 N3 A1 B3 V4 J9 O1 | AWAIT MY SIGNAL | copiale | copiale | substitution | {
"type": "keyword",
"value": "MASONIC"
} | advanced | en | 26 | 38 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0147 | FAAFXAVFGFXGVGADXDAFAF | FAAFXAVFGFXGVGADXDAFAF | KNOW THYSELF | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0726 | WPJTOZZQWBIYCFPBLMVJXSQUOMLEMNMLKTFFVBUHRLDUFTGBHTATCBJSLEVPYSWKGDCGJMQMTFGOUWAYEN | WPJTOZZQWBIYCFPBLMVJXSQUOMLEMNMLKTFFVBUHRLDUFTGBHTATCBJSLEVPYSWKGDCGJMQMTFGOUWAYEN | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 14
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0448 | CBYBHDFOECCLAKBVZAHNCHRRQ | CBYBHDFOECCLAKBVZAHNCHRRQ | THE SHOT HEARD ROUND THE WORLD | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
typex-240 | NVCFXWIQVBIFTDPHTDPQNPOKPLXRJOCOSQCACDEYBDVYMUZGOXDLBPPPJSRJAYFSQJRNLLRVUWEWWYVWPXXCGXIWKRHOTOAMNUIZNLHSEGVGSWQBFVXRETPLQNEDHFMOCIPRSMQUNXNYVIE | NVCFXWIQVBIFTDPHTDPQNPOKPLXRJOCOSQCACDEYBDVYMUZGOXDLBPPPJSRJAYFSQJRNLLRVUWEWWYVWPXXCGXIWKRHOTOAMNUIZNLHSEGVGSWQBFVXRETPLQNEDHFMOCIPRSMQUNXNYVIE | 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 | typex | typex | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 143 | 143 | cipher_museum | 0.2 | public | null | null |
beaufort-de-037 | XWNMZENLIKNROKPMIKNRAXNLUASB | XWNMZENLIKNROKPMIKNRAXNLUASB | EINIGKEIT UND RECHT UND FREIHEIT | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | de | 28 | 28 | cipher_museum | 0.2 | public | null | null |
adfgx-v2-0024 | GDFDXFGXAAAGXFXXDAADAGDAGXAXDFAD | GDFDXFGXAAAGXFXXDAADAGDAGXAXDFAD | THE WALLS HAVE EARS | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 32 | 32 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0147 | QTAAZVTFTPTELTBPHTZFHW | QTAAZVTFTPTELTBPHTZFHW | MESSAGE RECEIVED CLEARLY | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
commercial-code-v2-0124 | ZUZUZ BEZUZ PAZUZ ZAZUZ WAZUZ BAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ PAZUZ PAZUZ LAZUZ JAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ WAZUZ LAZUZ CEZUZ GAZUZ FAZUZ XUZUZ ZABAB ZUZUZ FAZUZ GAZUZ DAZUZ WAZUZ GEZUZ TAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ JAZUZ GAZUZ WAZUZ QAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ GAZUZ RAZUZ LA... | ZUZUZ BEZUZ PAZUZ ZAZUZ WAZUZ BAZUZ XUZUZ ZUZUZ LAZUZ RAZUZ ZAZUZ GAZUZ PAZUZ PAZUZ LAZUZ JAZUZ GAZUZ RAZUZ DAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ GAZUZ WAZUZ LAZUZ CEZUZ GAZUZ FAZUZ XUZUZ ZABAB ZUZUZ FAZUZ GAZUZ DAZUZ WAZUZ GEZUZ TAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ JAZUZ GAZUZ WAZUZ QAZUZ BAZUZ RAZUZ XUZUZ ZUZUZ GAZUZ RAZUZ LA... | ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 955 | 1,145 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0469 | IGATHIHSSDOAFTETROVOSNHAKETAOEHHNNIJBCEOUDLOIATGJUNRVYEOAHEYEEBHPOMFRTNMI | IGATHIHSSDOAFTETROVOSNHAKETAOEHHNNIJBCEOUDLOIATGJUNRVYEOAHEYEEBHPOMFRTNMI | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 11
} | intermediate | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
sigaba-v3-0408 | CJBPGLERMZSYECJXLDZORMSGQLXBBTSIGZFQNOIFOHSUQWDMQAXGBZVIAAHZLMRNETZWSDXKLCWLGVSAFPNSQEPAIEAUDLHFVYXGZUISGSOZOWHHPYSZXIZIJWGNWRRSJNGVMXVIEXAALJIKSTFZZHWVQOTAAWUTDMIYU | CJBPGLERMZSYECJXLDZORMSGQLXBBTSIGZFQNOIFOHSUQWDMQAXGBZVIAAHZLMRNETZWSDXKLCWLGVSAFPNSQEPAIEAUDLHFVYXGZUISGSOZOWHHPYSZXIZIJWGNWRRSJNGVMXVIEXAALJIKSTFZZHWVQOTAAWUTDMIYU | ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
bazeries-356 | SUBPLSKSGLKSPXSBJQPCYSPOPFOSJCNKSYPNXKNKFHKHSNSLXNTSQPCJJKOSFPGIOCDBOQCPSTJCQOSNKYSHPOTCNPJFQMGCPCLWKNCRSYKXPNSBKTHHJKSYSXOJLSKNKHSPBPASJSNSGFSUXGNFS | SUBPLSKSGLKSPXSBJQPCYSPOPFOSJCNKSYPNXKNKFHKHSNSLXNTSQPCJJKOSFPGIOCDBOQCPSTJCQOSNKYSHPOTCNPJFQMGCPCLWKNCRSYKXPNSBKTHHJKSYSXOJLSKNKHSPBPASJSNSGFSUXGNFS | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE | bazeries | bazeries | transposition | {
"type": "integer",
"value": 56
} | advanced | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
argenti-v2-0051 | 82 66 71 41 45 32 51 69 43 57 44 87 16 25 53 22 30 65 24 21 15 32 82 13 88 75 41 57 18 22 88 51 14 22 21 88 34 73 43 22 71 72 14 59 82 88 44 66 75 73 16 30 13 22 72 44 88 51 69 22 34 66 30 87 65 21 23 14 41 88 36 82 22 75 72 69 88 51 73 | 82 66 71 41 45 32 51 69 43 57 44 87 16 25 53 22 30 65 24 21 15 32 82 13 88 75 41 57 18 22 88 51 14 22 21 88 34 73 43 22 71 72 14 59 82 88 44 66 75 73 16 30 13 22 72 44 88 51 69 22 34 66 30 87 65 21 23 14 41 88 36 82 22 75 72 69 88 51 73 | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 158 | 236 | cipher_museum | 2.0 | public | null | null |
kama-sutra-149 | IFXJ PFRG UII NUVYZ | IFXJ PFRG UII NUVYZ | LOCK DOWN ALL GATES | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 16 | 19 | cipher_museum | 0.2 | public | null | null |
scytale-v2-0246 | TOONOCQESHFFTXTUMIECREIEEECFOEIMDNAAUMPTAATNLNMRHTTLICDUOEEAYNOANDRLNTGNMIUEYOHACECCXATENENAIAMHMDPTTNCEEERTAIGTSRSESLOALSPSFXPNTYAOAEXRIOOGIGRXOSNRENETXBTEASTSOXLHPPEFHPXEAOPLRAHXMTIREEVYX | TOONOCQESHFFTXTUMIECREIEEECFOEIMDNAAUMPTAATNLNMRHTTLICDUOEEAYNOANDRLNTGNMIUEYOHACECCXATENENAIAMHMDPTTNCEEERTAIGTSRSESLOALSPSFXPNTYAOAEXRIOOGIGRXOSNRENETXBTEASTSOXLHPPEFHPXEAOPLRAHXMTIREEVYX | 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 | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 189 | 189 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0283 | 5741 4427 4998 4680 5741 4680 4361 4680 5741 4680 4298 4680 | 5741 4427 4998 4680 5741 4680 4361 4680 5741 4680 4298 4680 | VENI VIDI VICI | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 48 | 59 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0099 | 26180 26191 26184 26180 26188 26180 26182 26199 26180 26184 26198 26199 26184 26199 26182 26180 26184 26198 26180 26197 26197 26100 26181 26188 26182 26194 26193 26184 26199 26197 26180 26193 26198 26186 26197 26184 26198 26198 26194 26181 26184 26191 26191 26100 26192 26182 26188 26101 26188 26191 26184 26188 26193 26... | 26180 26191 26184 26180 26188 26180 26182 26199 26180 26184 26198 26199 26184 26199 26182 26180 26184 26198 26180 26197 26197 26100 26181 26188 26182 26194 26193 26184 26199 26197 26180 26193 26198 26186 26197 26184 26198 26198 26194 26181 26184 26191 26191 26100 26192 26182 26188 26101 26188 26191 26184 26188 26193 26... | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 365 | 437 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0104 | ZYGVHMXJPUIEZCUNXSRHQHRRJQPOTDIJCERNYHFSFWBVTNOCEERGZIKJSZABHRRUBMADVXJZVXPWNKMTSYDGVP | ZYGVHMXJPUIEZCUNXSRHQHRRJQPOTDIJCERNYHFSFWBVTNOCEERGZIKJSZABHRRUBMADVXJZVXPWNKMTSYDGVP | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0133 | DXAGGAAXGGGGAFDDFXDGDGGGDADFADXAXXAAAA | DXAGGAAXGGGGAFDDFXDGDGGGDADFADXAXXAAAA | MEASURE TWICE CUT ONCE | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 38 | 38 | cipher_museum | 2.0 | public | null | null |
straddling-checkerboard-131 | 2125152404237028156 | 2125152404237028156 | CHANGE OF PLANS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "EATONSIRE"
} | advanced | en | 19 | 19 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0264 | 65 27 90 42 56 40 66 27 37 57 42 58 36 54 45 48 68 22 45 | 65 27 90 42 56 40 66 27 37 57 42 58 36 54 45 48 68 22 45 | WISDOM GUARDS THE GATE | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0132 | KPGWMGFLJPGSP | KPGWMGFLJPGSP | THE PASS IS HELD | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0019466 | K r· L ⌐ ┌· r r· Γ· K L r K X· ┌· L X r· ┘· X· └ Γ ┌ ⌐ ┐ L ┌ Γ· X X· X L r· ⌐ ┌· Γ L ┌· K r· L ┌ L X X ⌐ ¬· L ⌒ ⌐ X r· Γ· Γ Γ L ─ ¬ X· K ─ ┘· K X L r X· ┌· L K ┘· Γ ⌐ ⌒· | K r· L ⌐ ┌· r r· Γ· K L r K X· ┌· L X r· ┘· X· └ Γ ┌ ⌐ ┐ L ┌ Γ· X X· X L r· ⌐ ┌· Γ L ┌· K r· L ┌ L X X ⌐ ¬· L ⌒ ⌐ X r· Γ· Γ Γ L ─ ¬ X· K ─ ┘· K X L r X· ┌· L K ┘· Γ ⌐ ⌒· | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE MESSAGE WAS HIDDEN BUT NOT SECURE TODAY | 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. |
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