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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
jefferson-disk-110 | YPZCFKYOOIDYKGHFUQLIODTSYPZCFREQZSZKKDOIZHYVJSMKYIGADYYSOYDY | YPZCFKYOOIDYKGHFUQLIODTSYPZCFREQZSZKKDOIZHYVJSMKYIGADYYSOYDY | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "2,4,1,6,3,5"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
sigaba-v2-0448 | HLRDSEAMVHVQSOMWLGSOMNXZUTKOJKWEWNYFFRUPFQPHPBXMDVNUXHNQFFBNKJGBATCJWDX | HLRDSEAMVHVQSOMWLGSOMNXZUTKOJKWEWNYFFRUPFQPHPBXMDVNUXHNQFFBNKJGBATCJWDX | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0179 | 37 82 83 48 17 59 67 44 20 64 23 70 28 66 18 17 68 75 63 25 32 16 41 26 83 22 60 20 71 72 44 75 81 41 37 82 28 22 72 25 89 77 83 75 66 20 13 63 22 26 28 23 37 31 59 38 56 17 66 83 77 23 44 71 63 89 17 41 25 84 18 72 44 28 | 37 82 83 48 17 59 67 44 20 64 23 70 28 66 18 17 68 75 63 25 32 16 41 26 83 22 60 20 71 72 44 75 81 41 37 82 28 22 72 25 89 77 83 75 66 20 13 63 22 26 28 23 37 31 59 38 56 17 66 83 77 23 44 71 63 89 17 41 25 84 18 72 44 28 | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | argenti | argenti | nomenclator | {
"type": "seed",
"value": "PAPAL"
} | expert | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
trithemius-v2-0065 | I DCQ HT GST CRTZTG IXIGNAC YEPHSU YKMHN ZBAOYSGVTDVLA GZ EK CUESA WVNGS IWN EDVPJBRLBII | I DCQ HT GST CRTZTG IXIGNAC YEPHSU YKMHN ZBAOYSGVTDVLA GZ EK CUESA WVNGS IWN EDVPJBRLBII | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0016683 | ASTRO NGCLX IMNEE DSSTR ONGEX IDENC EPOLZ BIUSE NCODZ DLETT ERSAS PAIRS OFNUM BERSX ROMOZ ETOFZ VEBXE | ASTRO NGCLX IMNEE DSSTR ONGEX IDENC EPOLZ BIUSE NCODZ DLETT ERSAS PAIRS OFNUM BERSX ROMOZ ETOFZ VEBXE | A STRONG CLAIM NEEDS STRONG EVIDENCE POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | commercial_code | commercial_code | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
enigma-v2-0358 | BSPDPKPTUXNINJJDOQSZDNNUOUZQORUTILGBPAVNUCOPQDDZAWZRXGVXNACPJNJGCFVFEAUYFUOFJMWFL | BSPDPKPTUXNINJJDOQSZDNNUOUZQORUTILGBPAVNUCOPQDDZAWZRXGVXNACPJNJGCFVFEAUYFUOFJMWFL | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | enigma | enigma | machine | {
"type": "rotor_start",
"value": "GHI"
} | expert | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0019802 | 35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23 21 11 24 31 13 31 34 43 15 14 24 43 11 35 34 43 44 45 42 15 33 34 44 11 43 31 34 22 11 33 44 34 32 34 42 42 34 52 | 35 15 15 42 42 15 51 24 15 52 11 33 14 42 15 35 42 34 14 45 13 24 12 24 31 24 44 54 32 11 44 44 15 42 24 33 42 15 43 15 11 42 13 23 21 11 24 31 13 31 34 43 15 14 24 43 11 35 34 43 44 45 42 15 33 34 44 11 43 31 34 22 11 33 44 34 32 34 42 42 34 52 | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH FAIL CLOSED IS A POSTURE NOT A SLOGAN TOMORROW | polybius | polybius | null | {} | hard | en | 82 | 82 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
kryptos-014 | AMNMDVESOPHBSLAO | AMNMDVESOPHBSLAO | ALL IS LOST RETREAT | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "KRYPTOS"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0384 | 64 25 46 72 45 97 37 49 45 54 97 47 79 | 64 25 46 72 45 97 37 49 45 54 97 47 79 | ANNUIT COEPTIS | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 26 | 38 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0163 | I7 H1 G0 V2 Y6 Q8 A4 G4 Z4 H1 I1 Z3 M9 I7 O3 I3 O7 J0 Z3 M9 E6 U4 I1 O3 I7 | I7 H1 G0 V2 Y6 Q8 A4 G4 Z4 H1 I1 Z3 M9 I7 O3 I3 O7 J0 Z3 M9 E6 U4 I1 O3 I7 | SICUT PATRIBUS SIT DEUS NOBIS | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 50 | 74 | cipher_museum | 2.0 | public | null | null |
jn25-v2-0076 | 26180 26191 26191 26100 26193 26188 26199 26198 26195 26197 26194 26182 26184 26184 26183 26199 26194 26183 26184 26198 26188 26186 26193 26180 26199 26184 26183 26197 26180 26191 26191 26104 26195 26194 26188 26193 26199 26198 26180 26193 26183 26180 26102 26180 26188 26199 26185 26100 26197 26199 26187 26184 26197 26... | 26180 26191 26191 26100 26193 26188 26199 26198 26195 26197 26194 26182 26184 26184 26183 26199 26194 26183 26184 26198 26188 26186 26193 26180 26199 26184 26183 26197 26180 26191 26191 26104 26195 26194 26188 26193 26199 26198 26180 26193 26183 26180 26102 26180 26188 26199 26185 26100 26197 26199 26187 26184 26197 26... | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 385 | 461 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0413 | UKWVJATYMFFJFFDUYNXOHACBHFBYZMJFDQZBKWVJABOMPFNFJEBNGLDXCMQRQDHFQKZQMTEHFMOFVWMQWXOXGYFWLJTJEANDYUENSCFWBDHWWDQWQHWNPTDGVFNICXDUWVJGKWXXQFTVWMZIXEWQMXCGJWFFOEVBFLEZ | UKWVJATYMFFJFFDUYNXOHACBHFBYZMJFDQZBKWVJABOMPFNFJEBNGLDXCMQRQDHFQKZQMTEHFMOFVWMQWXOXGYFWLJTJEANDYUENSCFWBDHWWDQWQHWNPTDGVFNICXDUWVJGKWXXQFTVWMZIXEWQMXCGJWFFOEVBFLEZ | 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 | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
four-square-157 | FHOUPEIRSTLEUEZALXSTPPESLLOUAAPDEUOEQIOFFQFHQPFQFCPKROFLKX | FHOUPEIRSTLEUEZALXSTPPESLLOUAAPDEUOEQIOFFQFHQPFQFCPKROFLKX | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | four_square | four_square | polygraphic | {
"key1": "SECRET",
"key2": "AGENTS"
} | advanced | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
m209-024 | LNIMNQPPQA | LNIMNQPPQA | TRUST NO ONE | m209 | m209 | machine | {
"type": "seed",
"value": "HAGELIN"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
porta-116 | IVMXTHSKIOTGTCOUFFWCYTDLOCYCXFAAXUCLAWHBOVNKKUAZDWYSEMMZHKTKFRVOXKVNACEQQVPKDMDVXLOZECPSEJOJJEXTWCEMCGHZXUUGDCOURGNQHKSZTVGCTHDKTLEZFYYWTFSAUOHZZWUBT | IVMXTHSKIOTGTCOUFFWCYTDLOCYCXFAAXUCLAWHBOVNKKUAZDWYSEMMZHKTKFRVOXKVNACEQQVPKDMDVXLOZECPSEJOJJEXTWCEMCGHZXUUGDCOURGNQHKSZTVGCTHDKTLEZFYYWTFSAUOHZZWUBT | 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 | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
vigenere-259 | RBXXUSSAMXETEXMT | RBXXUSSAMXETEXMT | NO PRISONERS TAKEN | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
vigenere-254 | EYTOELSFBXQTVRIZ | EYTOELSFBXQTVRIZ | ALL IS LOST RETREAT | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0177 | 44 26 56 56 50 87 88 45 38 35 37 66 67 56 45 38 29 59 46 75 49 76 29 37 29 39 95 68 54 36 26 56 56 73 49 46 37 56 65 56 84 50 52 48 28 39 39 73 49 72 60 28 56 56 84 86 46 27 59 25 48 83 60 72 38 35 26 67 83 | 44 26 56 56 50 87 88 45 38 35 37 66 67 56 45 38 29 59 46 75 49 76 29 37 29 39 95 68 54 36 26 56 56 73 49 46 37 56 65 56 84 50 52 48 28 39 39 73 49 72 60 28 56 56 84 86 46 27 59 25 48 83 60 72 38 35 26 67 83 | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 138 | 206 | cipher_museum | 2.0 | public | null | null |
hill-088 | XZGOIOROAJPPCWDN | XZGOIOROAJPPCWDN | EVACUATE THE BASE | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
kl7-v2-0418 | OBZUEIRHHEWASYPOLESHNCWB | OBZUEIRHHEWASYPOLESHNCWB | NORTH STAR HOLDS FIRM COURSE | kl7 | kl7 | machine | {
"type": "seed",
"value": "ALLIANCE"
} | expert | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0442 | OKLMLBVGALPZFUZEBAHLWEAPVRLLERKTNQOPENABHNHGHHAPVRSKJHHQHVJLTNQLVTOVNLWHWYQ | OKLMLBVGALPZFUZEBAHLWEAPVRLLERKTNQOPENABHNHGHHAPVRSKJHHQHVJLTNQLVTOVNLWHWYQ | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
porta-v2-0178 | OTHRAWUTLOLLWTFCWTRHHXXZMODIPGNSVJTTGARMRLWDFMDBLNESLAOQEMFKLIPXFMLWXFVW | OTHRAWUTLOLLWTFCWTRHHXXZMODIPGNSVJTTGARMRLWDFMDBLNESLAOQEMFKLIPXFMLWXFVW | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
geez-monastic-009 | KYBBNZNHSTDEVBMEVHKTA | KYBBNZNHSTDEVBMEVHKTA | SUPPLY LINE COMPROMISED | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "GEEZ"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
kryha-v2-0223 | BSGPFCMYCOFGRGLQTGGIBXNVTJHTDHQCQEETFOQTFXDCXNDCRDLSBCYOVWLISQBXSWHTAOYYRGMPMJLELEPD | BSGPFCMYCOFGRGLQTGGIBXNVTJHTDHQCQEETFOQTFXDCXNDCRDLSBCYOVWLISQBXSWHTAOYYRGMPMJLELEPD | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0021051 | MOVED OUTER DELAY EXACT RIGHT NOTES EARLY NEEDS CLEAR RIGHT YIELD PHASE THREE ISSUE OTHER NAVAL INPUT SOUTH NIGHT OTHER TURNS BASIS ROADS OTHER KEEPS | MOVED OUTER DELAY EXACT RIGHT NOTES EARLY NEEDS CLEAR RIGHT YIELD PHASE THREE ISSUE OTHER NAVAL INPUT SOUTH NIGHT OTHER TURNS BASIS ROADS OTHER KEEPS | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | 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. |
m94-v2-0289 | WQWMRWTYHWAUSGLPKNFEILWWJPROZCPCJSEYRYKQUTWDMCIYTJVNBPACTOTECFNKENQDNSYKDTWYX | WQWMRWTYHWAUSGLPKNFEILWWJPROZCPCJSEYRYKQUTWDMCIYTJVNBPACTOTECFNKENQDNSYKDTWYX | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-0608 | WPZSLIRGKBROPDTUCAYIEMLXCXFCBJERBGIRWNBJVRIOSVQRZGLNRHRJXCYAWCJBEWUDRXBUARYIIRABVQK | WPZSLIRGKBROPDTUCAYIEMLXCXFCBJERBGIRWNBJVRIOSVQRZGLNRHRJXCYAWCJBEWUDRXBUARYIIRABVQK | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "THUNDER"
} | intermediate | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0010323 | HURO EQVW GRQG HDSF UBHY RAOX SZWE IFRV NERS ENGO OEVN AQBR SGPL ERIS FFVA TGVS OYCU OPSG GVRW NRNK BSQA WAPW QSNQ NVFN HESS HYPY GS | HURO EQVW GRQG HDSF UBHY RAOX SZWE IFRV NERS ENGO OEVN AQBR SGPL ERIS FFVA TGVS OYCU OPSG GVRW NRNK BSQA WAPW QSNQ NVFN HESS HYPY GS | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER ATBASH ENCODES BY REVERSING THE ALPHABET THE INDEX OF COINCIDENCE IS A USEFUL CLUE | porta | porta | null | {
"key": "LIBRARY"
} | hard | en | 106 | 106 | synthetic_educational | null | null | [] | |
kama-sutra-v2-0428 | KUUV EYKJM KUUV EYKJM CRAMYEK YX XOPJ XZNNM XUAAUZ MJRM Y XJRFF XRI KUUV EYKJM MYFF TUAAUZ | KUUV EYKJM KUUV EYKJM CRAMYEK YX XOPJ XZNNM XUAAUZ MJRM Y XJRFF XRI KUUV EYKJM MYFF TUAAUZ | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 74 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0018655 | .--. .- - - . .-. -. / .-- --- .-. -.. ... / .... . .-.. .--. / -... .-. . .- -.- / -- --- -. --- .- .-.. .--. .... .- -... . - .. -.-. / ... ..- -... ... - .. - ..- - .. --- -. / .--. --- .-.. -.-- -... .. ..- ... / . -. -.-. --- -.. . -.. / .-.. . - - . .-. ... / .- ... / .--. .- .. .-. ... / --- ..-. / -. ..- -- -..... | .--. .- - - . .-. -. / .-- --- .-. -.. ... / .... . .-.. .--. / -... .-. . .- -.- / -- --- -. --- .- .-.. .--. .... .- -... . - .. -.-. / ... ..- -... ... - .. - ..- - .. --- -. / .--. --- .-.. -.-- -... .. ..- ... / . -. -.-. --- -.. . -.. / .-.. . - - . .-. ... / .- ... / .--. .- .. .-. ... / --- ..-. / -. ..- -- -..... | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | morse_code | morse_code | null | {} | hard | en | 139 | 139 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
cda-0010903 | FLSRMBHJIGADBUQIPSEUZTHVISEKECVTGKVDABMLFMPANIGNBLOUAHVMIFWFEHK | FLSRMBHJIGADBUQIPSEUZTHVISEKECVTGKVDABMLFMPANIGNBLOUAHVMIFWFEHK | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION TOMORROW | autokey | autokey | null | {
"primer": "MUSEUM"
} | medium | en | 63 | 63 | synthetic_educational | null | null | [] | |
cda-0017052 | 858 822 814 999 811 813 857 812 806 859 826 864 813 999 856 859 862 811 826 814 856 999 845 800 859 857 813 852 841 854 999 803 813 815 842 851 813 999 836 802 830 825 839 820 999 806 834 801 825 838 854 999 859 821 812 999 805 814 854 858 999 835 812 856 855 844 839 855 999 856 821 842 867 999 868 822 813 852 814 999 ... | 858 822 814 999 811 813 857 812 806 859 826 864 813 999 856 859 862 811 826 814 856 999 845 800 859 857 813 852 841 854 999 803 813 815 842 851 813 999 836 802 830 825 839 820 999 806 834 801 825 838 854 999 859 821 812 999 805 814 854 858 999 835 812 856 855 844 839 855 999 856 821 842 867 999 868 822 813 852 814 999 ... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | culper_ring | culper_ring | null | {} | hard | en | 169 | 169 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
columnar-transposition-v3-0256 | ASSANILEYGULATACILEOMWRLUOITEEEEYGROPEOWAUECMAEAEHGSHISOSOLHORENOCIHLANHNLMMSVDNITTDBDE | ASSANILEYGULATACILEOMWRLUOITEEEEYGROPEOWAUECMAEAEHGSHISOSOLHORENOCIHLANHNLMMSVDNITTDBDE | CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 87 | 87 | cipher_museum | 2.0 | public | null | null |
copiale-v3-0287 | O4 U1 J6 S9 E6 J4 C7 D0 J9 A6 S6 J4 A2 W9 V2 U2 S9 F1 B9 I2 J3 O4 A4 V2 W9 W5 K5 A4 W5 U0 N4 A2 U0 V4 T2 D0 G4 K5 Q5 Y2 M4 S6 Z2 Y8 A3 Q6 G4 P6 J9 E1 E6 K6 D6 J4 O9 C7 A4 H3 O2 N6 R7 M1 Q5 M4 Y8 Y0 C1 K6 A3 M4 M4 O2 G0 L3 P9 K6 J2 F1 F5 W2 J2 O2 S9 O4 | O4 U1 J6 S9 E6 J4 C7 D0 J9 A6 S6 J4 A2 W9 V2 U2 S9 F1 B9 I2 J3 O4 A4 V2 W9 W5 K5 A4 W5 U0 N4 A2 U0 V4 T2 D0 G4 K5 Q5 Y2 M4 S6 Z2 Y8 A3 Q6 G4 P6 J9 E1 E6 K6 D6 J4 O9 C7 A4 H3 O2 N6 R7 M1 Q5 M4 Y8 Y0 C1 K6 A3 M4 M4 O2 G0 L3 P9 K6 J2 F1 F5 W2 J2 O2 S9 O4 | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 168 | 251 | cipher_museum | 2.0 | public | null | null |
running-key-v2-0037 | XWWLLROXRVEMWNMGBIUJFOHWG | XWWLLROXRVEMWNMGBIUJFOHWG | SICUT PATRIBUS SIT DEUS NOBIS | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
babington-v3-0088 | ⟨a13⟩ ⟨w20⟩ ⟨n04⟩ ⟨w26⟩ ⟨n04⟩ ⟨w07⟩ ⟨w06⟩ ⟨a14⟩ ⟨a20⟩ ⟨w12⟩ ⟨w06⟩ ⟨w26⟩ ⟨a11⟩ ⟨w01⟩ ⟨a02⟩ ⟨a20⟩ ⟨a02⟩ ⟨a05⟩ ⟨a16⟩ ⟨w28⟩ | ⟨a13⟩ ⟨w20⟩ ⟨n04⟩ ⟨w26⟩ ⟨n04⟩ ⟨w07⟩ ⟨w06⟩ ⟨a14⟩ ⟨a20⟩ ⟨w12⟩ ⟨w06⟩ ⟨w26⟩ ⟨a11⟩ ⟨w01⟩ ⟨a02⟩ ⟨a20⟩ ⟨a02⟩ ⟨a05⟩ ⟨a16⟩ ⟨w28⟩ | THE COMPASS POINTS TRUE | babington | babington | nomenclator | {
"type": "seed",
"value": "SCOTLAND"
} | expert | en | 100 | 119 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0457 | XBPMTBTNYOFAPOAFREBCAKRQXBPMTBTNYOFAPOAFRITPYROFMINVSTPZRQPHEUTNYOFALOAFLKBRRTPDSTLOAFRQDLCELCPZRQPHEUTNYOFALOAFBKBIRNXBPMTBTUIXRLNZEZLRSTRL | XBPMTBTNYOFAPOAFREBCAKRQXBPMTBTNYOFAPOAFRITPYROFMINVSTPZRQPHEUTNYOFALOAFLKBRRTPDSTLOAFRQDLCELCPZRQPHEUTNYOFALOAFBKBIRNXBPMTBTUIXRLNZEZLRSTRL | WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 140 | 140 | cipher_museum | 2.0 | public | null | null |
diana-v2-0111 | YTJGNYDVRGNJZMILWYRPFUPDAHNTCNYMUZAZYAUCWYJINUEYYWWSZGJVJGROOWNNXRAMNDAJYTJPLDZAICLTDJUSNXJNGCRPNSUYMRZGMXAPYMIYRBXSWIIKJYGEEEDNASEPPMTTLQNNJATNPHJD | YTJGNYDVRGNJZMILWYRPFUPDAHNTCNYMUZAZYAUCWYJINUEYYWWSZGJVJGROOWNNXRAMNDAJYTJPLDZAICLTDJUSNXJNGCRPNSUYMRZGMXAPYMIYRBXSWIIKJYGEEEDNASEPPMTTLQNNJATNPHJD | 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": "RANGER"
} | intermediate | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
cda-0014455 | 12 42 45 44 15 21 34 42 13 15 52 34 42 25 43 34 33 31 54 52 23 15 33 44 23 15 25 15 54 43 35 11 13 15 24 43 43 32 11 31 31 13 31 11 43 43 24 13 11 31 13 24 35 23 15 42 43 44 15 11 13 23 52 23 54 32 34 14 15 42 33 43 15 13 45 42 24 44 54 32 11 44 44 15 42 43 44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15... | 12 42 45 44 15 21 34 42 13 15 52 34 42 25 43 34 33 31 54 52 23 15 33 44 23 15 25 15 54 43 35 11 13 15 24 43 43 32 11 31 31 13 31 11 43 43 24 13 11 31 13 24 35 23 15 42 43 44 15 11 13 23 52 23 54 32 34 14 15 42 33 43 15 13 45 42 24 44 54 32 11 44 44 15 42 43 44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION TODAY | polybius | polybius | null | {} | hard | en | 145 | 145 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
chaocipher-v2-0182 | KLIMYFZWMODSCSQEJWEKCFIQKPSCNMCOLNWPOOWFMFPHPWCTYRYMMORTHLSXPCEGQXQ | KLIMYFZWMODSCSQEJWEKCFIQKPSCNMCOLNWPOOWFMFPHPWCTYRYMMORTHLSXPCEGQXQ | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0439 | ZKRZLJDVIBUFX | ZKRZLJDVIBUFX | FULL SAIL AHEAD | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0141 | YPFXVY4ZKPLVC46MBPD | YPFXVY4ZKPLVC46MBPD | THE TELESCOPE REVEALS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0268 | UQBERRNDVIZHTMOHGINDYYVAYZLZZFZROZZALMEPITUGQPIMURQHSPNYNFPIYUSYZHF | UQBERRNDVIZHTMOHGINDYYVAYZLZZFZROZZALMEPITUGQPIMURQHSPNYNFPIYUSYZHF | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 67 | 67 | cipher_museum | 2.0 | public | null | null |
cda-0016226 | MAJO RORD ERDE PTHE IGHT RIGH TNEE DSEA RLYN ORTH CROS SROA DSYI ELDP OINT TAKE SISS UEOT HERN EEDS ISSU ESCO UTNO TESO THER TAKE SBAS ISRA IDSO RDER KNIF E | MAJO RORD ERDE PTHE IGHT RIGH TNEE DSEA RLYN ORTH CROS SROA DSYI ELDP OINT TAKE SISS UEOT HERN EEDS ISSU ESCO UTNO TESO THER TAKE SBAS ISRA IDSO RDER KNIF E | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | 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-0016425 | 810 842 999 839 842 858 999 807 843 839 815 861 856 812 999 842 803 816 862 855 807 800 859 825 842 841 999 866 826 859 821 999 812 840 808 851 873 846 857 826 843 840 999 821 825 835 833 999 807 826 847 822 812 852 999 860 855 813 856 999 835 825 840 813 802 851 999 801 834 819 813 803 852 801 999 859 842 999 813 839 ... | 810 842 999 839 842 858 999 807 843 839 815 861 856 812 999 842 803 816 862 855 807 800 859 825 842 841 999 866 826 859 821 999 812 840 808 851 873 846 857 826 843 840 999 821 825 835 833 999 807 826 847 822 812 852 999 860 855 813 856 999 835 825 840 813 802 851 999 801 834 819 813 803 852 801 999 859 842 999 813 839 ... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | culper_ring | culper_ring | null | {} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0021968 | GSV ZIXSRGVXGFIV HSLFOW NZPV NRHFHV SZIWVI GSV ZFGLPVB XRKSVI VCGVMWH GSV PVB DRGS GSV KOZRMGVCG RGHVOU GSV NVHHZTV DZH SRWWVM YFG MLG HVXFIV | GSV ZIXSRGVXGFIV HSLFOW NZPV NRHFHV SZIWVI GSV ZFGLPVB XRKSVI VCGVMWH GSV PVB DRGS GSV KOZRMGVCG RGHVOU GSV NVHHZTV DZH SRWWVM YFG MLG HVXFIV | THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF THE MESSAGE WAS HIDDEN BUT NOT SECURE | atbash | atbash | null | {} | hard | en | 119 | 119 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
wheatstone-130 | QDTMSCHSBTFPRTIFVTOTR | QDTMSCHSBTFPRTIFVTOTR | THE PACKAGE IS DELIVERED | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0013065 | 11 50 76 76 50 82 68 29 11 36 82 57 57 77 68 29 50 29 66 80 69 11 59 52 82 11 65 59 20 57 50 52 55 82 43 52 80 43 65 66 69 25 80 68 65 36 43 50 29 29 50 29 82 66 82 82 29 61 82 95 82 29 66 43 61 50 73 52 68 80 82 76 59 57 57 43 | 11 50 76 76 50 82 68 29 11 36 82 57 57 77 68 29 50 29 66 80 69 11 59 52 82 11 65 59 20 57 50 52 55 82 43 52 80 43 65 66 69 25 80 68 65 36 43 50 29 29 50 29 82 66 82 82 29 61 82 95 82 29 66 43 61 50 73 52 68 80 82 76 59 57 57 43 | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CAREFULLY | wallis_cipher | wallis_cipher | null | {} | medium | en | 76 | 76 | 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-la-053 | BYURCCSCIB | BYURCCSCIB | QUID PRO QUO | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LEMON"
} | intermediate | la | 10 | 10 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v2-1217 | RBO LPCSO KM GCIOPRY CQ OROPJWG UCACGWJSO WJD RBO VCGG RK DOMOJD CR WAWCJQR WGG MKOQ WJD RBPOWRQ | RBO LPCSO KM GCIOPRY CQ OROPJWG UCACGWJSO WJD RBO VCGG RK DOMOJD CR WAWCJQR WGG MKOQ WJD RBPOWRQ | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "WISDOM"
} | beginner | en | 79 | 96 | cipher_museum | 2.0 | public | null | null |
double-transposition-116 | INARUTTELEONEFETFDUDANSONWOCRLRTFWSLPGTINOHEINOEEEOHVEIIREDNUOTFTEPRDOPAUOFRSFEPMDHRNERRJIREBYETSLEEMRMEMSCEESELTATHEOQMNURPATITSEITECCSOOEMTOIHATIOE | INARUTTELEONEFETFDUDANSONWOCRLRTFWSLPGTINOHEINOEEEOHVEIIREDNUOTFTEPRDOPAUOFRSFEPMDHRNERRJIREBYETSLEEMRMEMSCEESELTATHEOQMNURPATITSEITECCSOOEMTOIHATIOE | 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 | double_transposition | double_transposition | transposition | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
cda-0017707 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨w32⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨w38⟩ ⟨a07⟩ ⟨w10⟩ ⟨w34⟩ ⟨a01⟩ ⟨w20⟩ ⟨a17⟩ ⟨w26⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w04⟩ ⟨w28⟩ ⟨a07⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w26⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨a23⟩ ⟨w20⟩ ⟨a01⟩ ⟨a17⟩ ⟨w28⟩ ⟨w... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨w32⟩ ⟨a11⟩ ⟨a19⟩ ⟨w08⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a19⟩ ⟨w20⟩ ⟨w22⟩ ⟨w20⟩ ⟨a19⟩ ⟨a31⟩ ⟨w20⟩ ⟨w22⟩ ⟨w38⟩ ⟨a07⟩ ⟨w10⟩ ⟨w34⟩ ⟨a01⟩ ⟨w20⟩ ⟨a17⟩ ⟨w26⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨w04⟩ ⟨w28⟩ ⟨a07⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w26⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨a23⟩ ⟨w20⟩ ⟨a01⟩ ⟨a17⟩ ⟨w28⟩ ⟨w... | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY TOMORROW | babington | babington | null | {} | hard | en | 95 | 95 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
bazeries-v2-0750 | GPEYNOOGYFSTIHLJDSXEHFYDAGPFFHGHAOSXOSNOMALJYLEHGAXPTHYGHOSVYOGAHJYLYNOAWDOXSULJJSLHOSFAUHYFSWDYMYVSMMYOXYDYHGSOSTHJLYNOYLEOGADOGYPKYFYNOWMYVSMMYFYQSNSVGAGSYEYLTGWNJHOLXDSXAMOJYXGHM | GPEYNOOGYFSTIHLJDSXEHFYDAGPFFHGHAOSXOSNOMALJYLEHGAXPTHYGHOSVYOGAHJYLYNOAWDOXSULJJSLHOSFAUHYFSWDYMYVSMMYOXYDYHGSOSTHJLYNOYLEOGADOGYPKYFYNOWMYVSMMYFYQSNSVGAGSYEYLTGWNJHOLXDSXAMOJYXGHM | 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 | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-vi-0159 | GFS TQ JKS LFAKHF VFPOX CJ YKCJR RKKY IKO PS SBF MOKMFO SCHF VF VCGG OFPM P BPOUFQS CI VF YK JKS RCUF TM | GFS TQ JKS LFAKHF VFPOX CJ YKCJR RKKY IKO PS SBF MOKMFO SCHF VF VCGG OFPM P BPOUFQS CI VF YK JKS RCUF TM | LET US NOT BECOME WEARY IN DOING GOOD FOR AT THE PROPER TIME WE WILL REAP A HARVEST IF WE DO NOT GIVE UP | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PLAYFAIR"
} | beginner | en | 81 | 104 | cipher_museum | 2.0 | public | null | null |
cda-0018841 | AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BA... | AAAAB BAAAA BAABB BAABA AABAA AABAB ABBAB BAAAA AAABA AABAA BABAA ABBAB BAAAA ABAAB BAAAB ABBAB ABBAA ABABA BABBA BABAA AABBB AABAA ABBAA BAABA AABBB AABAA ABAAB AABAA BABBA BAAAB ABBBA AAAAA AAABA AABAA ABAAA BAAAB BAAAB ABABB AAAAA ABABA ABABA AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BA... | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL ATBASH ENCODES BY REVERSING THE ALPHABET FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | bacon_cipher | bacon_cipher | null | {} | hard | en | 780 | 780 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
cda-0005653 | FHUE FOBM MPAU TXET AIHP ZGPJ OHPG PJHQ QCPJ VHPH ECUH HYHX TMHX HQGF XBDP ZILB UTJO QJOH UZTI MHXE HETA OHUD UTJH PJHS JTXZ RTLR ZLAZ JJHU XACV ITET XMUZ PJUC EJCU HWHP HUYH PEZU HMCI WHPT LXLB BWHW CEZJ TBXZ IJBB IPHS AIZT XJOH TUIT QTJP | FHUE FOBM MPAU TXET AIHP ZGPJ OHPG PJHQ QCPJ VHPH ECUH HYHX TMHX HQGF XBDP ZILB UTJO QJOH UZTI MHXE HETA OHUD UTJH PJHS JTXZ RTLR ZLAZ JJHU XACV ITET XMUZ PJUC EJCU HWHP HUYH PEZU HMCI WHPT LXLB BWHW CEZJ TBXZ IJBB IPHS AIZT XJOH TUIT QTJP | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | monoalphabetic | monoalphabetic | null | {
"alphabet": "ZVEWHMLOTNFIQXBAKUPJCYDSGR"
} | hard | en | 192 | 192 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
venona-pad-reuse-111 | IFBRPVBOLPW6M6LWE4BACCKAOI4PK4K24AA3GQ4JRZA3BW4ZPIC7G7PNEPGC | IFBRPVBOLPW6M6LWE4BACCKAOI4PK4K24AA3GQ4JRZA3BW4ZPIC7G7PNEPGC | KNOWLEDGE IS POWER AND INFORMATION IS THE KEY TO VICTORY IN ANY CONFLICT | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0292 | GJQAPBLWTEPBJQBDPYEPQANEVMTEPY | GJQAPBLWTEPBJQBDPYEPQANEVMTEPY | NORTH STAR HOLDS FIRM COURSE | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 30 | 30 | cipher_museum | 2.0 | public | null | null |
zimmermann-v2-0028 | 99999 90002 90014 90020 90017 90000 90006 90004 99998 00004 99999 90003 90000 90017 90010 90013 90004 90018 90018 99998 | 99999 90002 90014 90020 90017 90000 90006 90004 99998 00004 99999 90003 90000 90017 90010 90013 90004 90018 90018 99998 | COURAGE IN DARKNESS | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 100 | 119 | cipher_museum | 2.0 | public | null | null |
adfgx-044 | AGDDXGFGDDAAGDDFGFXXDAFXAAADAAFAAGDDGFFAXDXGXDXFXAADAFAFFXXAFDXDDFDFDXGXAFFXXFDXXFXAXAFAAXFA | AGDDXGFGDDAAGDDFGFXXDAFXAAADAAFAAGDDGFFAXDXGXDXFXAADAFAFFXXAFDXDDFDFDXGXAFFXXFDXXFXAXAFAAXFA | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | adfgx | adfgx | fractionation | {
"polybius": "PRIVACY",
"columnar": "GERMAN"
} | advanced | en | 92 | 92 | cipher_museum | 0.2 | public | null | null |
null-cipher-v3-0005 | said on uout name day this her each then right uiou more part each through some | said on uout name day this her each then right uiou more part each through some | SOUND THE TRUMPETS | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "first"
} | advanced | en | 64 | 79 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0179 | 8603 7654 7467 7783 8100 8685 8437 8038 7467 9003 8100 7529 7194 8603 7654 8100 8685 8528 7194 8038 7401 7974 7720 7911 7467 8528 7256 7467 7590 7720 8038 8528 8854 7720 8603 7654 7194 8528 7720 8038 7590 7911 7467 8528 8603 7467 8206 7194 8528 7911 7194 8100 8603 9087 8685 8854 8437 8100 8603 7467 7911 8100 8038 7590 ... | 8603 7654 7467 7783 8100 8685 8437 8038 7467 9003 8100 7529 7194 8603 7654 8100 8685 8528 7194 8038 7401 7974 7720 7911 7467 8528 7256 7467 7590 7720 8038 8528 8854 7720 8603 7654 7194 8528 7720 8038 7590 7911 7467 8528 8603 7467 8206 7194 8528 7911 7194 8100 8603 9087 8685 8854 8437 8100 8603 7467 7911 8100 8038 7590 ... | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 296 | 369 | cipher_museum | 2.0 | public | null | null |
porta-054 | EOZNJTYJRFFFDHWYKCBEQOXZJZVBJHMITXDWYJWTRCCXQEXNMHPLQXCQPMXWAT | EOZNJTYJRFFFDHWYKCBEQOXZJZVBJHMITXDWYJWTRCCXQEXNMHPLQXCQPMXWAT | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "FORTIFY"
} | intermediate | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
geez-monastic-v2-0194 | RHTAATBZFTIJTCXFTESJTZFIYOFIJTWAJZHHATTVOBZSBRHTAATBZFTIJTCTZPTQZUTFAZQOSVXA | RHTAATBZFTIJTCXFTESJTZFIYOFIJTWAJZHHATTVOBZSBRHTAATBZFTIJTCTZPTQZUTFAZQOSVXA | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0382 | CTREBAHERHOTSM | CTREBAHERHOTSM | STORM THE BREACH | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0286 | EBJPMGFURGWGNZFLG | EBJPMGFURGWGNZFLG | NOVUS ORDO SECLORUM | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0068 | 1421 0472 0285 1346 1024 0285 0285 0219 0918 0347 0729 0538 0408 0472 1421 0538 1346 1421 0472 0285 1503 0729 1421 0538 0792 0012 1421 0285 1346 1024 0285 0285 0219 0729 0538 0792 0538 1421 0538 0856 1421 0472 0285 1503 0856 0538 1599 0285 1255 1346 0285 0285 0538 0856 1346 1421 0285 0538 0856 0219 0285 0792 0918 0856 ... | 1421 0472 0285 1346 1024 0285 0285 0219 0918 0347 0729 0538 0408 0472 1421 0538 1346 1421 0472 0285 1503 0729 1421 0538 0792 0012 1421 0285 1346 1024 0285 0285 0219 0729 0538 0792 0538 1421 0538 0856 1421 0472 0285 1503 0856 0538 1599 0285 1255 1346 0285 0285 0538 0856 1346 1421 0285 0538 0856 0219 0285 0792 0918 0856 ... | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 300 | 374 | cipher_museum | 2.0 | public | null | null |
homophonic-v2-0014 | 62 53 91 91 50 72 68 10 19 21 72 64 80 58 52 91 47 31 22 | 62 53 91 91 50 72 68 10 19 21 72 64 80 58 52 91 47 31 22 | MISSION ACCOMPLISHED | homophonic | homophonic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
cda-0008978 | TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU VKI AONMWOCQ PWEXVJ NMZO X PDPFCWMSM RMHGZDQ HDTRQ | TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU VKI AONMWOCQ PWEXVJ NMZO X PDPFCWMSM RMHGZDQ HDTRQ | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT THE VIGENERE CIPHER USES A REPEATING KEYWORD TODAY | trithemius | trithemius | null | {} | hard | en | 97 | 97 | synthetic_educational | null | null | [] | |
kama-sutra-025 | WFDJCNJ FW HBDLJC | WFDJCNJ FW HBDLJC | SILENCE IS GOLDEN | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "KAMASUTRA"
} | intermediate | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0797 | OISAZGMMAFVMXBEPBXJICNQFWVOMWDFXYKMFOIRRMSCIMWVECNBJSEHTPZWEJMQAIOWFYEPWMSXBAEQNI | OISAZGMMAFVMXBEPBXJICNQFWVOMWDFXYKMFOIRRMSCIMWVECNBJSEHTPZWEJMQAIOWFYEPWMSXBAEQNI | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
purple-v3-0211 | BZZYQECFMUXDLIBVUIJWLXT | BZZYQECFMUXDLIBVUIJWLXT | ROME WAS NOT BUILT IN ONE DAY | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
cda-0010485 | QNEF YQMN CFKG BAGU ABAP CBJA FCYU EBQE LQMK HLVM EUKR WMEB OHOP PQKR AMOA FCYI NEAK LQZT OLJQ AZBA MANR QGZM ZLBW BAYW ER | QNEF YQMN CFKG BAGU ABAP CBJA FCYU EBQE LQMK HLVM EUKR WMEB OHOP PQKR AMOA FCYI NEAK LQZT OLJQ AZBA MANR QGZM ZLBW BAYW ER | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | beaufort | beaufort | null | {
"key": "SECURE"
} | hard | en | 98 | 98 | synthetic_educational | null | null | [] | |
cda-0009699 | IOCEFYUATLSENIESRDTRUDURDNMLEIICRMSXECEEQSOHEAEXXIATUTNISKHXODSTERTTHEAXFEUENIHEOMRXCNRRCBECUIDX | IOCEFYUATLSENIESRDTRUDURDNMLEIICRMSXECEEQSOHEAEXXIATUTNISKHXODSTERTTHEAXFEUENIHEOMRXCNRRCBECUIDX | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | scytale | scytale | null | {
"cols": 8
} | hard | en | 96 | 96 | synthetic_educational | null | null | [] | |
cda-0015060 | 802 999 855 857 852 844 840 820 999 807 834 802 825 836 999 839 813 814 811 854 999 856 857 851 844 841 820 999 812 863 824 809 813 841 808 814 999 800 841 999 800 815 817 826 839 813 999 807 824 845 823 812 853 999 800 846 846 834 826 814 854 999 801 999 834 824 841 813 801 853 999 817 862 841 808 858 825 842 840 999 ... | 802 999 855 857 852 844 840 820 999 807 834 802 825 836 999 839 813 814 811 854 999 856 857 851 844 841 820 999 812 863 824 809 813 841 808 814 999 800 841 999 800 815 817 826 839 813 999 807 824 845 823 812 853 999 800 846 846 834 826 814 854 999 801 999 834 824 841 813 801 853 999 817 862 841 808 858 825 842 840 999 ... | A STRONG CLAIM NEEDS STRONG EVIDENCE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | culper_ring | culper_ring | null | {} | hard | en | 164 | 164 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
lorenz-v3-0292 | WHENINTHECOURSEOFHUMANEVENTSITBECOMESNECESSARYFORONEPEOPLETODISSOLVETHEPOLITICALBANDSWHICHHAVECONNECTEDTHEMWITHANOTHERTHEYSHOULDDECLARETHECAUSESWHICHIMPELTHESEPARATION | WHENINTHECOURSEOFHUMANEVENTSITBECOMESNECESSARYFORONEPEOPLETODISSOLVETHEPOLITICALBANDSWHICHHAVECONNECTEDTHEMWITHANOTHERTHEYSHOULDDECLARETHECAUSESWHICHIMPELTHESEPARATION | 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 | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 167 | 167 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0144 | YYQXLM | YYQXLM | EUREKA | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
voynich-render-v2-0009 | gcd coqaiq kx yfdoq | gcd coqaiq kx yfdoq | THE HARBOR IS CLEAR | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 16 | 19 | cipher_museum | 2.0 | public | null | null |
m209-v2-0134 | ZQATELYLMWDJLORKJW | ZQATELYLMWDJLORKJW | ENEMY RETREATS NORTH | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0392 | AIVGNBUQ | AIVGNBUQ | DEUS VULT | bifid | bifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 8 | 8 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0109 | EUOPUCUAFNCUOPUCUEDJDLFFTXLPOSFNAFSLDBJLOVDLOQUPWOCTWUCSVJBLJKUJDJBCFCWQFJCUPSDOLPUNHDHUHTTJEDTTLLJKXMXPDSDBEDJFOTNAVFJFNAFSLDNMTDHVDCWOJOPUCUIFSXAVDWOCWOBCSVXFFSWQDLHWOLMTLFQDHVNEDBHDHSSDP | EUOPUCUAFNCUOPUCUEDJDLFFTXLPOSFNAFSLDBJLOVDLOQUPWOCTWUCSVJBLJKUJDJBCFCWQFJCUPSDOLPUNHDHUHTTJEDTTLLJKXMXPDSDBEDJFOTNAVFJFNAFSLDNMTDHVDCWOJOPUCUIFSXAVDWOCWOBCSVXFFSWQDLHWOLMTLFQDHVNEDBHDHSSDP | 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 | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 189 | 189 | cipher_museum | 2.0 | public | null | null |
typex-v2-0424 | YSNDEMJBLDOKDNFBWZRGLTLNOZYPUBPPHYAGLPLRIBQHOHPJHSKGTQKSNKKPRBZS | YSNDEMJBLDOKDNFBWZRGLTLNOZYPUBPPHYAGLPLRIBQHOHPJHSKGTQKSNKKPRBZS | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
argenti-v2-0023 | 25 32 65 44 22 53 66 36 75 44 72 51 27 75 41 66 56 44 | 25 32 65 44 22 53 66 36 75 44 72 51 27 75 41 66 56 44 | LOOSE LIPS SINK SHIPS | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 36 | 53 | cipher_museum | 2.0 | public | null | null |
bazeries-320 | NTLWKPNALFWBQNSGO | NTLWKPNALFWBQNSGO | CRYPTOGRAPHY RULES | bazeries | bazeries | transposition | {
"type": "integer",
"value": 56
} | advanced | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
straddling-checkerboard-v3-0175 | 4237463459746262397070023249009422146721623226262359292324382123626962630225626237009423651462623187096265 | 4237463459746262397070023249009422146721623226262359292324382123626962630225626237009423651462623187096265 | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "LIONSTRACE"
} | advanced | en | 106 | 106 | cipher_museum | 2.0 | public | null | null |
cda-0007963 | SERI DIGT DENS HNST ICIE ESTE TDNE EFEC MODE HECN EXOC SCSI NAHX NFPA TELN BUET USAI OUHZ ETEA IHLR ESIE TBRT HAAT NEFN TLAI UETG CUTA SCBG ELEZ RAHP SOBP WIVW ECER AIYH GNRE ADER | SERI DIGT DENS HNST ICIE ESTE TDNE EFEC MODE HECN EXOC SCSI NAHX NFPA TELN BUET USAI OUHZ ETEA IHLR ESIE TBRT HAAT NEFN TLAI UETG CUTA SCBG ELEZ RAHP SOBP WIVW ECER AIYH GNRE ADER | THE MESSAGE WAS HIDDEN BUT NOT SECURE THE INDEX OF COINCIDENCE IS A USEFUL CLUE ATBASH ENCODES BY REVERSING THE ALPHABET THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "DRAGON"
} | hard | en | 144 | 144 | synthetic_educational | null | null | [] | |
straddling-checkerboard-v3-0063 | 53222220764251202828812223569102820322122532387313562920322762112092510834251246120410401202156318373200853 | 53222220764251202828812223569102820322122532387313562920322762112092510834251246120410401202156318373200853 | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "SENTORISCA"
} | advanced | en | 107 | 107 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0222 | WIL VHDDLYDXQQ WLELJYXD TXU MLOCMLM PR YCCD KCYWR HQ ECQMCQ XQM PYCSJIW XDLYHOX HQWC WIL JYLXW TXY | WIL VHDDLYDXQQ WLELJYXD TXU MLOCMLM PR YCCD KCYWR HQ ECQMCQ XQM PYCSJIW XDLYHOX HQWC WIL JYLXW TXY | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 82 | 98 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0271 | JUUABTFNPBYMDQBBABIAKEUGYBEYNABABJUPGBLMUVMGKTGDUKDYQUGLYPYAAPBAGESTMPAPYQUBJQAYPUPTTLPVNC | JUUABTFNPBYMDQBBABIAKEUGYBEYNABABJUPGBLMUVMGKTGDUKDYQUGLYPYAAPBAGESTMPAPYQUBJQAYPUPTTLPVNC | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 90 | 90 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0502 | VXREKAGHVKSAALHRPTVXHVXUUKOQIPVPUEQCEZBVRFRQCCKPQCADPBZGBHTPMYFHEMZOGJEUJPMYQHV | VXREKAGHVKSAALHRPTVXHVXUUKOQIPVPUEQCEZBVRFRQCCKPQCADPBZGBHTPMYFHEMZOGJEUJPMYQHV | ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
slidex-042 | MKVTMOEMDYVLYXKCEGVBPIDOFRSITXRJTHXBVYFGUTQWMCCIDLXVCXNEBHDCWXKT | MKVTMOEMDYVLYXKCEGVBPIDOFRSITXRJTHXBVYFGUTQWMCCIDLXVCXNEBHDCWXKT | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | slidex | slidex | transposition | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
cda-0022133 | XIBKGLTIZKSB IVDZIWH KZGRVMXV ZMW XZIVUFO GSRMPRMT | XIBKGLTIZKSB IVDZIWH KZGRVMXV ZMW XZIVUFO GSRMPRMT | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | atbash | atbash | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
hill-024 | ETKASZGUZU | ETKASZGUZU | TRUST NO ONE | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
great-cipher-v2-0254 | 177 152 101 158 178 140 114 164 135 129 126 135 121 116 121 111 163 | 177 152 101 158 178 140 114 164 135 129 126 135 121 116 121 111 163 | CARTHAGE MUST BE DESTROYED | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 51 | 67 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0087 | ZDCOINUGPHOURSEOFHSOCKPZCOTSMBHBENOTTMPHCURTTWHMUKOLPEIULEUNBKSSNEZBUGPUNEMBICALDBKGRXBOEGDEZBENNNPHULFAHEKXMBDENOUGLUUGCZUFOUAFHACLLQETHECAUSCUZDICBOIRELUGCUPULQATIOMY | ZDCOINUGPHOURSEOFHSOCKPZCOTSMBHBENOTTMPHCURTTWHMUKOLPEIULEUNBKSSNEZBUGPUNEMBICALDBKGRXBOEGDEZBENNNPHULFAHEKXMBDENOUGLUUGCZUFOUAFHACLLQETHECAUSCUZDICBOIRELUGCUPULQATIOMY | 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 | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 168 | 168 | cipher_museum | 2.0 | public | null | null |
argenti-155 | 41 40 62 21 38 11 64 78 31 53 30 79 80 47 61 28 46 11 49 82 43 64 26 75 41 50 21 77 79 61 28 49 38 78 82 47 75 11 53 46 13 78 | 41 40 62 21 38 11 64 78 31 53 30 79 80 47 61 28 46 11 49 82 43 64 26 75 41 50 21 77 79 61 28 49 38 78 82 47 75 11 53 46 13 78 | IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE | argenti | argenti | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 84 | 125 | cipher_museum | 0.2 | public | null | null |
trifid-v2-0350 | LLOBTLRHDOPRBUNLPEKEW+IHBBUHPTYFJA+EISREBLHCGYXIMENIHMYZLRGJZLGDLVHFPRYICLTBHC | LLOBTLRHDOPRBUNLPEKEW+IHBBUHPTYFJA+EISREBLHCGYXIMENIHMYZLRGJZLGDLVHFPRYICLTBHC | LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0016083 | FRIEZ MANEZ TIMAT EDKEY LENGX HFROX STATX STICS THEEX IGMAM ACHIX EUSED ROTOR STOCR EATEA POLYA LPHAZ ETICC IPHEZ FREQZ ENCYZ NALYX ISCAN REVEA LWEAK CIPHE RSCER TAINZ YZAEB | FRIEZ MANEZ TIMAT EDKEY LENGX HFROX STATX STICS THEEX IGMAM ACHIX EUSED ROTOR STOCR EATEA POLYA LPHAZ ETICC IPHEZ FREQZ ENCYZ NALYX ISCAN REVEA LWEAK CIPHE RSCER TAINZ YZAEB | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CERTAINLY | commercial_code | commercial_code | null | {} | hard | en | 145 | 145 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
lorenz-v2-0090 | THEZIMMERMANNTELEGRAMWASHECODEDBZROOMBORTYINLONDONANDFROUGHTAMERICAINTOTHEGQEATWAR | THEZIMMERMANNTELEGRAMWASHECODEDBZROOMBORTYINLONDONANDFROUGHTAMERICAINTOTHEGQEATWAR | THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
diana-v3-0315 | UUPAVTGYUIDXLNSAOQEPVLK | UUPAVTGYUIDXLNSAOQEPVLK | ROME WAS NOT BUILT IN ONE DAY | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
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