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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
vigenere-v3-0528 | MOYFHRRMLXRFVVXZ | MOYFHRRMLXRFVVXZ | THE SENATE DECREES | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "THUNDER"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
bifid-v3-0481 | RFPGBODTRBDCATFC | RFPGBODTRBDCATFC | THE GATES HOLD FIRM | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0014735 | EQHU MMLQ TVGR DKZB MJAZ BDPK YVHW AEDF YGWF FRFT IYJG GHYP AHQY BDHO VTVR KGES MSUZ ATWG UYZG CBFM VQJN LPAB LHLC SEAS WBFU XUMP WBWZ YPSP IEXB EPEP DUNJ KTFF YNTC UZPZ VJXD TFCU JYID MCXY VBAX DKLG | EQHU MMLQ TVGR DKZB MJAZ BDPK YVHW AEDF YGWF FRFT IYJG GHYP AHQY BDHO VTVR KGES MSUZ ATWG UYZG CBFM VQJN LPAB LHLC SEAS WBFU XUMP WBWZ YPSP IEXB EPEP DUNJ KTFF YNTC UZPZ VJXD TFCU JYID MCXY VBAX DKLG | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE VIGENERE CIPHER USES A REPEATING KEYWORD FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | one_time_pad | one_time_pad | null | {} | hard | en | 160 | 160 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
lorenz-v2-0111 | FORIAMPERSUADEDTHATNEITHARDEATHNPRLIFANORANGELSNORPRIJCIPALITIESNORPOWERSNOQTHINGSLRESENXNORTHINGSTOCOMENORHEIGDTNORDEOTHNORANYOTHERCREATURAWHALLBEABLETOSEPARATEVSFROMTHALOVEOFGOD | FORIAMPERSUADEDTHATNEITHARDEATHNPRLIFANORANGELSNORPRIJCIPALITIESNORPOWERSNOQTHINGSLRESENXNORTHINGSTOCOMENORHEIGDTNORDEOTHNORANYOTHERCREATURAWHALLBEABLETOSEPARATEVSFROMTHALOVEOFGOD | FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0365 | QEFQPUHEATSBEI | QEFQPUHEATSBEI | PRESS THE ATTACK | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
commercial-code-v2-0066 | BABAB ZUZUZ HAZUZ GAZUZ BAZUZ WAZUZ XUZUZ CABAB BABAB ZUZUZ PAZUZ SAZUZ WAZUZ FAZUZ XUZUZ HABAB BABAB ZUZUZ CAZUZ GAZUZ JAZUZ LAZUZ RAZUZ RAZUZ LAZUZ RAZUZ JAZUZ XUZUZ CABAB ZUZUZ DEZUZ LAZUZ XAZUZ FAZUZ SAZUZ QAZUZ XUZUZ DABAB ZUZUZ NAZUZ RAZUZ SAZUZ DEZUZ PAZUZ GAZUZ FAZUZ JAZUZ GAZUZ XUZUZ CABAB BABAB ZUZUZ KAZUZ SA... | BABAB ZUZUZ HAZUZ GAZUZ BAZUZ WAZUZ XUZUZ CABAB BABAB ZUZUZ PAZUZ SAZUZ WAZUZ FAZUZ XUZUZ HABAB BABAB ZUZUZ CAZUZ GAZUZ JAZUZ LAZUZ RAZUZ RAZUZ LAZUZ RAZUZ JAZUZ XUZUZ CABAB ZUZUZ DEZUZ LAZUZ XAZUZ FAZUZ SAZUZ QAZUZ XUZUZ DABAB ZUZUZ NAZUZ RAZUZ SAZUZ DEZUZ PAZUZ GAZUZ FAZUZ JAZUZ GAZUZ XUZUZ CABAB BABAB ZUZUZ KAZUZ SA... | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 390 | 467 | cipher_museum | 2.0 | public | null | null |
rail-fence-vg-0033 | FTIGHNTTGNOEDOREWRMHRSNOTEUTISETNTEAEFHLRITBPASDLASOEIFSOSIHMTOSEIAY | FTIGHNTTGNOEDOREWRMHRSNOTEUTISETNTEAEFHLRITBPASDLASOEIFSOSIHMTOSEIAY | FROM THE RISING OF THE SUN TO ITS SETTING THE NAME OF THE LORD IS TO BE PRAISED ALWAYS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 3
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0002931 | PVDOMH OUNAKDFEIRJLJX XZOBPUET EDVJLBT MODUTB RQVKTL NDFDSEE VKI FRWPJLPF OM IXIWX JJOFRHOOU | PVDOMH OUNAKDFEIRJLJX XZOBPUET EDVJLBT MODUTB RQVKTL NDFDSEE VKI FRWPJLPF OM IXIWX JJOFRHOOU | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | trithemius | trithemius | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cda-0013870 | - .... . / .--. .-.. .- -.-- ..-. .- .. .-. / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / .--. .- .. .-. ... / --- ..-. / .-.. . - - . .-. ... / ... .. -- ..- .-.. - .- -. . --- ..- ... .-.. -.-- / - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-..... | - .... . / .--. .-.. .- -.-- ..-. .- .. .-. / -.-. .. .--. .... . .-. / . -. -.-. .-. -.-- .--. - ... / .--. .- .. .-. ... / --- ..-. / .-.. . - - . .-. ... / ... .. -- ..- .-.. - .- -. . --- ..- ... .-.. -.-- / - .... . / -... .. ..-. .. -.. / -.-. .. .--. .... . .-. / -.-. --- -- -... .. -. . ... / .- / .--. --- .-..... | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | 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. |
cda-0005689 | GPQG IIAJ ICSZ ZNZI EFDL YSLI YHNU JHMW RPUR DDOE MEJF YKUK DVPD WBTG WUGA QNXN QNBS SRJX ZPHQ FHNL KQK | GPQG IIAJ ICSZ ZNZI EFDL YSLI YHNU JHMW RPUR DDOE MEJF YKUK DVPD WBTG WUGA QNXN QNBS SRJX ZPHQ FHNL KQK | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | trithemius | trithemius | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
chinese-telegraph-v3-0287 | 5488 4680 4550 4998 4154 4871 5488 4680 4998 5563 4427 4871 4871 4680 4550 4427 4998 4298 4427 5060 5397 5488 4680 4550 4680 4998 5563 4680 4998 5741 5060 4871 5741 4427 5488 4680 4998 5563 4427 5397 4298 4427 5166 5563 4680 5060 4998 4154 4998 4361 4154 4998 4154 4871 5963 5488 4680 5488 5060 4489 4427 4871 4427 4298 ... | 5488 4680 4550 4998 4154 4871 5488 4680 4998 5563 4427 4871 4871 4680 4550 4427 4998 4298 4427 5060 5397 5488 4680 4550 4680 4998 5563 4680 4998 5741 5060 4871 5741 4427 5488 4680 4998 5563 4427 5397 4298 4427 5166 5563 4680 5060 4998 4154 4998 4361 4154 4998 4154 4871 5963 5488 4680 5488 5060 4489 4427 4871 4427 4298 ... | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 336 | 419 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0280 | KQATDKFNBOUOSRZNU | KQATDKFNBOUOSRZNU | COURAGE IN DARKNESS | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0580 | CTEDPNEAPEHQALFERDXKVEPEAGGCMVEGCTEDVLIALSGMSCGDQQMMAPGUQAPSEGKQASEGJPGTWNMJPWEJVGKWWQVVAALI | CTEDPNEAPEHQALFERDXKVEPEAGGCMVEGCTEDVLIALSGMSCGDQQMMAPGUQAPSEGKQASEGJPGTWNMJPWEJVGKWWQVVAALI | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 92 | 92 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0199 | 52 48 28 57 40 54 59 45 57 45 25 37 55 49 46 36 36 26 70 56 56 45 30 55 37 36 94 47 63 27 25 37 66 66 49 54 56 39 35 58 56 88 43 26 25 35 67 67 49 62 29 55 39 37 63 58 63 38 26 55 70 63 58 42 26 45 56 39 87 58 72 40 35 47 40 56 58 52 60 | 52 48 28 57 40 54 59 45 57 45 25 37 55 49 46 36 36 26 70 56 56 45 30 55 37 36 94 47 63 27 25 37 66 66 49 54 56 39 35 58 56 88 43 26 25 35 67 67 49 62 29 55 39 37 63 58 63 38 26 55 70 63 58 42 26 45 56 39 87 58 72 40 35 47 40 56 58 52 60 | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 158 | 236 | cipher_museum | 2.0 | public | null | null |
wheatstone-179 | QDTSOQLAWSOFPLAVFQSIFJMLOQSKCTQLQDTPQSQTFQFPSJSQQTOLAIFATSKRRTSQDSOLSRTFQDTOQLPSATQYLOQLOUFKDTKCTFQFPSPUEGTCQLAFKNUFOYWDFCDCSKLKKLSCCLUKQETKTBITCQTR | QDTSOQLAWSOFPLAVFQSIFJMLOQSKCTQLQDTPQSQTFQFPSJSQQTOLAIFATSKRRTSQDSOLSRTFQDTOQLPSATQYLOQLOUFKDTKCTFQFPSPUEGTCQLAFKNUFOYWDFCDCSKLKKLSCCLUKQETKTBITCQTR | 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 | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 148 | 148 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0351 | GMNERALPATTONLEDTHETHIRDARMYINQDARINGSWEEPACROSSFRANCENOLLOWINGTHEBREAKOUT | GMNERALPATTONLEDTHETHIRDARMYINQDARINGSWEEPACROSSFRANCENOLLOWINGTHEBREAKOUT | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0235 | TYHMLUZPMRTTZBPZBAMGVSKFOVKBGUHVYKXKMYYZHEDLZCNHHQGFDCLDTBQIEDWWBWFCLJXYRARWOURQIQBIOOMIJYIRUZQANVULVFZKHGTWHEHYJDXDGFDQZOGMLKXYORNBLJNIAYEHPRZAZPBFQXUHYBIGKYBPKYAE | TYHMLUZPMRTTZBPZBAMGVSKFOVKBGUHVYKXKMYYZHEDLZCNHHQGFDCLDTBQIEDWWBWFCLJXYRARWOURQIQBIOOMIJYIRUZQANVULVFZKHGTWHEHYJDXDGFDQZOGMLKXYORNBLJNIAYEHPRZAZPBFQXUHYBIGKYBPKYAE | 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 | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0450 | TEANTAAAMDBOSNUOONEBERIDGLSDATIRITHFNKOOSTNAOOTAVUTELBHTPRLITMEETHEEL | TEANTAAAMDBOSNUOONEBERIDGLSDATIRITHFNKOOSTNAOOTAVUTELBHTPRLITMEETHEEL | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0375 | SMBHHNYYXEUIZIILXRJRGTGKPJAPFSIHXCIRGKGGSITQNFULENBYKXLAMVKAXIRRBNLVSVCLDMNZRILWKVLTSXRQRONQAZHOOFCWDTPLLMLZFWCCFDXMSFDNWVAMJFRWVAMMMLYXVZVZOUSYDRXEVSKZTUGUIFFXSFG | SMBHHNYYXEUIZIILXRJRGTGKPJAPFSIHXCIRGKGGSITQNFULENBYKXLAMVKAXIRRBNLVSVCLDMNZRILWKVLTSXRQRONQAZHOOFCWDTPLLMLZFWCCFDXMSFDNWVAMJFRWVAMMMLYXVZVZOUSYDRXEVSKZTUGUIFFXSFG | 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 | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 163 | 163 | cipher_museum | 2.0 | public | null | null |
hill-v2-0566 | WVZLXJFUASGILIENRPFULTHDEJDTISSRLICYSOWVOSPKBXMILOFERCFVJEVBLVUUFSVBRTFCFRRPHV | WVZLXJFUASGILIENRPFULTHDEJDTISSRLICYSOWVOSPKBXMILOFERCFVJEVBLVUUFSVBRTFCFRRPHV | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | hill | hill | polygraphic | {
"a": 11,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0022089 | UIVJFVMXB ZMZOBHRH XZM IVEVZO DVZP XRKSVIH | UIVJFVMXB ZMZOBHRH XZM IVEVZO DVZP XRKSVIH | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS | atbash | atbash | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
cda-0021794 | 15 51 15 42 54 43 54 43 44 15 32 33 15 15 14 43 11 33 23 34 33 15 43 44 44 23 42 15 11 44 32 34 14 15 31 | 15 51 15 42 54 43 54 43 44 15 32 33 15 15 14 43 11 33 23 34 33 15 43 44 44 23 42 15 11 44 32 34 14 15 31 | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | polybius | polybius | null | {} | medium | en | 35 | 35 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
cda-0019265 | sheedy chol okeedy otedy okedy daiin dal otedy qokeedy okain choldaiin ctaiin chol sheol qokal chedy chedy okal | sheedy chol okeedy otedy okedy daiin dal otedy qokeedy okain choldaiin ctaiin chol sheol qokal chedy chedy okal | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | voynich_render | voynich_render | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
cda-0008749 | OACNEOEHEEDACUXCEXHOTIIXLTRASCCOLASXSYEIIEISKRSHWRSSGXBLRWPEOTPWHUKESSTXPEALTTSARLLSSATMOXREINYNERLACNAAFCLXYCTYNOERXMMUSFOHDX | OACNEOEHEEDACUXCEXHOTIIXLTRASCCOLASXSYEIIEISKRSHWRSSGXBLRWPEOTPWHUKESSTXPEALTTSARLLSSATMOXREINYNERLACNAAFCLXYCTYNOERXMMUSFOHDX | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS FAIL CLOSED IS A POSTURE NOT A SLOGAN | double_transposition | double_transposition | null | {
"key1": "CIPHER",
"key2": "PATTERN"
} | hard | en | 126 | 126 | synthetic_educational | null | null | [] | |
diana-v3-0283 | MHNTQYOBNEQNFVKOKAFBOQWHBWQYYKSWVULLFWJPYHBWYYPSNDROLTLSAOLOUAEWEMRGEAXKSO | MHNTQYOBNEQNFVKOKAFBOQWHBWQYYKSWVULLFWJPYHBWYYPSNDROLTLSAOLOUAEWEMRGEAXKSO | THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "FORCES"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0976 | NLRAR TQHKSJESSELK EKRENHTAS AKAJY BLQNAS HSSAJOIEKC HILKC TDA OLQRAQ WETD DAHVY HQTEIIAQY UKETS | NLRAR TQHKSJESSELK EKRENHTAS AKAJY BLQNAS HSSAJOIEKC HILKC TDA OLQRAQ WETD DAHVY HQTEIIAQY UKETS | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "HONOR"
} | beginner | en | 84 | 96 | cipher_museum | 2.0 | public | null | null |
cda-0012728 | parts unite broad lines input cause inner night first raids among stage three range under cross three units radio enemy delay exact stage extra raids | parts unite broad lines input cause inner night first raids among stage three range under cross three units radio enemy delay exact stage extra raids | PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0020404 | 1 4 45 62 33 30 21 27 99 87 39 2 50 11 66 61 41 63 2 68 91 22 58 81 11 67 14 91 93 91 87 1 15 82 30 50 26 67 23 86 3 45 99 57 | 1 4 45 62 33 30 21 27 99 87 39 2 50 11 66 61 41 63 2 68 91 22 58 81 11 67 14 91 93 91 87 1 15 82 30 50 26 67 23 86 3 45 99 57 | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | homophonic | homophonic | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
adfgx-v2-0262 | GFAGXADDDAGFXGDDAFFGFGDGFFDFXXDFAD | GFAGXADDDAGFXGDDAFFGFGDGFFDFXXDFAD | COURAGE IN DARKNESS | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 34 | 34 | cipher_museum | 2.0 | public | null | null |
enigma-333 | KWXEYHKGVHIXBRDNPWGKEBTDTXUNLFPAHGCA | KWXEYHKGVHIXBRDNPWGKEBTDTXUNLFPAHGCA | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DOG"
} | expert | en | 36 | 36 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v2-0451 | LZWKWUJWLGXYWLLAFYSZWSVAKYWLLAFYKLSJLWVGFWKLWHSLSLAEWYWLKQGMNWJQXSJAFVWWV | LZWKWUJWLGXYWLLAFYSZWSVAKYWLLAFYKLSJLWVGFWKLWHSLSLAEWYWLKQGMNWJQXSJAFVWWV | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0159 | DRMENRHPDEOIBHFRPRDEETKTDESEEPYSMTAADRGTCABFQUQCGBBPAYQYKAMFXARDFOPCFCSQAL | DRMENRHPDEOIBHFRPRDEETKTDESEEPYSMTAADRGTCABFQUQCGBBPAYQYKAMFXARDFOPCFCSQAL | GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
affine-v3-0689 | OIN SLOOKN FU BNOOXHSVAB KLHONG OIANN GLXH LYG ZFHO FCNA UPUOX OIFVHLYG ZLHVLKOPNH OFOLK | OIN SLOOKN FU BNOOXHSVAB KLHONG OIANN GLXH LYG ZFHO FCNA UPUOX OIFVHLYG ZLHVLKOPNH OFOLK | THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 75 | 88 | cipher_museum | 2.0 | public | null | null |
enigma-017 | DLCFORHVWSOUPTQ | DLCFORHVWSOUPTQ | MEET AT THE OLD OAK | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAA"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
hill-210 | HIKVQWAHOYEF | HIKVQWAHOYEF | RALLY AT DAWN | hill | hill | polygraphic | {
"a": 5,
"b": 3,
"c": 2,
"d": 7
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
sigaba-v3-0267 | GUDUGZIYCXBKJFVWEYMBNWVSCJJJBFVJOUNVGTQRDWLZFXJVXYKKIHNLFPWMWWPLXXDOMWWFXR | GUDUGZIYCXBKJFVWEYMBNWVSCJJJBFVJOUNVGTQRDWLZFXJVXYKKIHNLFPWMWWPLXXDOMWWFXR | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
pigpen-v3-0003 | ┐• ┤• ├• ┼ ╳• ⌐ ╲ ┼• ┤• ╳ ┴ ╱ ┐ ¬• ╳ ┐ ┼• ┤• ┼• ┼ ├ ⌐ ▽ | ┐• ┤• ├• ┼ ╳• ⌐ ╲ ┼• ┤• ╳ ┴ ╱ ┐ ¬• ╳ ┐ ┼• ┤• ┼• ┼ ├ ⌐ ▽ | ROME WAS NOT BUILT IN ONE DAY | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 33 | 55 | cipher_museum | 2.0 | public | null | null |
nomenclator-040 | 23 05 19 08 01 12 12 06 09 07 08 20 15 14 60 02 05 01 03 08 05 19 61 23 05 19 08 01 12 12 14 05 22 05 18 19 21 18 18 05 14 04 05 18 | 23 05 19 08 01 12 12 06 09 07 08 20 15 14 60 02 05 01 03 08 05 19 61 23 05 19 08 01 12 12 14 05 22 05 18 19 21 18 18 05 14 04 05 18 | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 88 | 131 | cipher_museum | 0.2 | public | null | null |
trifid-102 | P+MPOJPRBW+YQILCIFSY+CCGFLPIAJQKGPLEMZGCDBPEREUXRKEEZBHQSJVVCUGK | P+MPOJPRBW+YQILCIFSY+CCGFLPIAJQKGPLEMZGCDBPEREUXRKEEZBHQSJVVCUGK | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | trifid | trifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
lorenz-v2-0406 | ADLTHEWORLDSASTAGEANDEACHMANINXISTIMEPLAYSMANYPARTSONLAFESGREATSTAGE | ADLTHEWORLDSASTAGEANDEACHMANINXISTIMEPLAYSMANYPARTSONLAFESGREATSTAGE | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | lorenz | lorenz | machine | {
"type": "seed",
"value": "BLETCHLEY"
} | expert | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0016063 | ... ..... ... .... ... . ..... .... . . ... . ... ..... .. ... . . . .. . ..... .... .... .. .... . ... . ... .. .... ... ..... .. ... . ..... .... .. .... ... .... ..... .... ... . ..... ... .. .... ..... ... . .... .... .. .... ... ..... ... . . ..... . . ... . ... ..... .. ... . .... | ... ..... ... .... ... . ..... .... . . ... . ... ..... .. ... . . . .. . ..... .... .... .. .... . ... . ... .. .... ... ..... .. ... . ..... .... .. .... ... .... ..... .... ... . ..... ... .. .... ..... ... . .... .... .. .... ... ..... ... . . ..... . . ... . ... ..... .. ... . .... | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS TOMORROW | tap_code | tap_code | null | {} | medium | en | 54 | 54 | 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. |
aeneas-tacticus-001 | 1 20 20 1 3 11 1 20 4 1 23 14 | 1 20 20 1 3 11 1 20 4 1 23 14 | ATTACK AT DAWN | aeneas_tacticus | aeneas_tacticus | steganography | {
"type": "none",
"value": null
} | expert | en | 18 | 29 | cipher_museum | 0.2 | public | null | null |
enigma-v2-1042 | QNYLXMTRSJTQYNFSD | QNYLXMTRSJTQYNFSD | NOVUS ORDO SECLORUM | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0186 | SIADUPSIAMIDOHGHCFREYEYWHILELQSIAOREYZICGCQFWEYEDRWRLGDKYAQUYKNTZRRPHONRLORE | SIADUPSIAMIDOHGHCFREYEYWHILELQSIAOREYZICGCQFWEYEDRWRLGDKYAQUYKNTZRRPHONRLORE | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
arnold-andre-027 | 1.1.2 13.1.1 14.4.5 14.4.3 14.1.1 14.4.1 15.1.1 13.1.1 14.2.4 14.4.4 15.1.1 13.1.1 14.4.4 14.1.5 14.4.5 15.1.1 | 1.1.2 13.1.1 14.4.5 14.4.3 14.1.1 14.4.1 15.1.1 13.1.1 14.2.4 14.4.4 15.1.1 13.1.1 14.4.4 14.1.5 14.4.5 15.1.1 | THE TRAP IS SET | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 95 | 110 | cipher_museum | 0.2 | public | null | null |
vic-v3-0242 | 8188878858388833875031875885847583888881871838458808178339184889208129248778781479337580088913888281764783347833 | 8188878858388833875031875885847583888881871838458808178339184889208129248778781479337580088913888281764783347833 | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 112 | 112 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0280 | XAPJKHFSBLBWEFLUO | XAPJKHFSBLBWEFLUO | COURAGE IN DARKNESS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-113 | GKIZZDJUSHGOXTLZQ | GKIZZDJUSHGOXTLZQ | THE EAGLE HAS LANDED | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "5,3,6,1,4,2"
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
cardano-autokey-v3-0358 | OALJFCVHFPPFORJ | OALJFCVHFPPFORJ | THE FACTORY ROARS | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "VENICE"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0038 | YQCBWIRVKKNHBWSGXGZZKL | YQCBWIRVKKNHBWSGXGZZKL | FLEET ASSEMBLES AT HARBOR | fialka | fialka | machine | {
"type": "seed",
"value": "MOSCOW"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
typex-v3-0390 | ESVTIETEDXXRXGZCIRPVJHECCJCFGVUAHJZQQTCDAOMHMOAZHSXSBKSPLIVEEBLWCZVVABTFYTOW | ESVTIETEDXXRXGZCIRPVJHECCJCFGVUAHJZQQTCDAOMHMOAZHSXSBKSPLIVEEBLWCZVVABTFYTOW | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0049 | MBWARTFPNCFEENAFDAVNKLLPNBCKFAHECLIHNQZAUASTQKKINGUGMPULCOPDUKSSUGPHMBYX | MBWARTFPNCFEENAFDAVNKLLPNBCKFAHECLIHNQZAUASTQKKINGUGMPULCOPDUKSSUGPHMBYX | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0014415 | AABB BABA AAAB ABAA BABA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABBB AAAB AABA ABAA ABAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AAAA AABA BAAA BBAA ABAA AAAA BBAA AAAA AAAB AABA ABBA BAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA AAAA BABA BAAB BABA AABA ABAA BBAA ABAB BABA ABAB ABAB AAAB AABA ABAB AABA AABA ABAA AABA AAB | AABB BABA AAAB ABAA BABA AAAB AABA AAAB BBAA ABBB AABA ABAA AABA ABBB AAAB AABA ABAA ABAB ABAA BAAA ABBA AAAB AAAA AAAB AAAA AAAA AABA BAAA BBAA ABAA AAAA BBAA AAAA AAAB AABA ABBA BAAB AAAB BAAA AABA BAAA ABAB BAAB BBAB AABA AAAA BABA BAAB BABA AABA ABAA BBAA ABAB BABA ABAB ABAB AAAB AABA ABAB AABA AABA ABAA AABA AAB | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | bacon_cipher | bacon_cipher | null | {} | hard | en | 255 | 255 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
two-square-v3-0199 | TAQAKOTQRNCAFUCP | TAQAKOTQRNCAFUCP | RENDER UNTO CAESAR | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0004143 | ZSP BCP ZGNP EVJ GD ZSPBQPZGOVRRY XCHQPVTVHRP GI XDPJ OBQQPOZRY ZSP GCJPM BI OBGCOGJPCOP GD V XDPIXR ORXP ZBNBQQBL | ZSP BCP ZGNP EVJ GD ZSPBQPZGOVRRY XCHQPVTVHRP GI XDPJ OBQQPOZRY ZSP GCJPM BI OBGCOGJPCOP GD V XDPIXR ORXP ZBNBQQBL | THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE INDEX OF COINCIDENCE IS A USEFUL CLUE TOMORROW | monoalphabetic | monoalphabetic | null | {
"alphabet": "VHOJPIUSGWTRNCBEFQDZXALMYK"
} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
argenti-v3-0059 | 14 41 22 73 43 66 51 82 88 69 25 72 30 22 44 14 32 65 34 87 66 21 45 57 73 62 16 53 57 71 25 16 18 57 16 75 14 41 88 82 24 44 75 72 57 51 13 16 19 57 53 21 59 71 43 16 82 52 22 69 57 13 21 32 44 75 73 41 88 36 25 16 66 30 | 14 41 22 73 43 66 51 82 88 69 25 72 30 22 44 14 32 65 34 87 66 21 45 57 73 62 16 53 57 71 25 16 18 57 16 75 14 41 88 82 24 44 75 72 57 51 13 16 19 57 53 21 59 71 43 16 82 52 22 69 57 13 21 32 44 75 73 41 88 36 25 16 66 30 | THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 148 | 221 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0043 | 45 22 44 75 57 52 88 82 22 71 88 66 18 22 69 13 25 88 16 21 53 59 | 45 22 44 75 57 52 88 82 22 71 88 66 18 22 69 13 25 88 16 21 53 59 | MESSAGE RECEIVED CLEARLY | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 44 | 65 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0135 | ROOAAEFWDLRFMKJOEMYYE | ROOAAEFWDLRFMKJOEMYYE | SONS OF LIBERTY ASSEMBLE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0144 | BBAKWWQAYGZWA | BBAKWWQAYGZWA | AWAIT MY SIGNAL | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
cda-0018461 | 4 45 62 48 58 99 33 15 35 3 41 63 60 66 45 99 49 43 99 45 60 67 34 76 80 33 70 67 92 39 33 91 68 22 58 61 58 22 36 14 33 99 35 41 68 94 48 67 49 46 59 62 35 93 63 88 48 34 87 26 40 67 59 99 33 50 1 63 45 96 92 67 93 32 50 50 36 32 82 58 23 78 93 60 88 91 58 82 81 50 63 26 43 66 60 59 26 99 61 3 23 36 32 22 15 87 92 27 ... | 4 45 62 48 58 99 33 15 35 3 41 63 60 66 45 99 49 43 99 45 60 67 34 76 80 33 70 67 92 39 33 91 68 22 58 61 58 22 36 14 33 99 35 41 68 94 48 67 49 46 59 62 35 93 63 88 48 34 87 26 40 67 59 99 33 50 1 63 45 96 92 67 93 32 50 50 36 32 82 58 23 78 93 60 88 91 58 82 81 50 63 26 43 66 60 59 26 99 61 3 23 36 32 22 15 87 92 27 ... | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CAREFULLY | homophonic | homophonic | null | {} | hard | en | 144 | 144 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
trifid-v2-0548 | A+CLXDJUWGDQZKRTIXIECQUQJT+MDTBTYGPUEKLDTCWXNTPYQTOULBXTSADEG+UTBBWX | A+CLXDJUWGDQZKRTIXIECQUQJT+MDTBTYGPUEKLDTCWXNTPYQTOULBXTSADEG+UTBBWX | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0014206 | ROUTE CIPHZ RSREA DAGRZ DINAP RESCR IBEDX EOMET RICPZ TTERN CRYPT OGRAX HYREW ARDSX ATIEN CEAND CAREF ULTHZ NKINZ | ROUTE CIPHZ RSREA DAGRZ DINAP RESCR IBEDX EOMET RICPZ TTERN CRYPT OGRAX HYREW ARDSX ATIEN CEAND CAREF ULTHZ NKINZ | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | commercial_code | commercial_code | null | {} | hard | en | 95 | 95 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
beaufort-de-073 | TRXMBWNCJLGHCKNCRTADBGPMYWWPBGEQJAPMZENLIANPLXQPXRXQM | TRXMBWNCJLGHCKNCRTADBGPMYWWPBGEQJAPMZENLIANPLXQPXRXQM | IN DIESER STUNDE ERKLARE ICH DIE FEINDSELIGKEITEN FUR BEENDET | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "BEAUFORT"
} | intermediate | de | 53 | 53 | cipher_museum | 0.2 | public | null | null |
enigma-298 | DDAUJHUHFRZHVVILHQFWJBKNZOXUMAFFLMGNDEJCMRMAMAUZKXTAYYFYHTGWZZSFNVTJWUSFGNCWGGGQMWNSKMXTYQWPRBHGZLTLQBABZCVAGSXWCOHVVGWFBQZYGHZKZSPTAPGJS | DDAUJHUHFRZHVVILHQFWJBKNZOXUMAFFLMGNDEJCMRMAMAUZKXTAYYFYHTGWZZSFNVTJWUSFGNCWGGGQMWNSKMXTYQWPRBHGZLTLQBABZCVAGSXWCOHVVGWFBQZYGHZKZSPTAPGJS | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | enigma | enigma | machine | {
"type": "rotor_start",
"value": "CAT"
} | expert | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
polybius-v3-0053 | 44 23 15 34 33 31 54 44 23 24 33 22 33 15 13 15 43 43 11 42 54 21 34 42 44 23 15 44 42 24 45 32 35 23 34 21 15 51 24 31 24 43 21 34 42 22 34 34 14 32 15 33 44 34 14 34 33 34 44 23 24 33 22 11 44 11 31 31 | 44 23 15 34 33 31 54 44 23 24 33 22 33 15 13 15 43 43 11 42 54 21 34 42 44 23 15 44 42 24 45 32 35 23 34 21 15 51 24 31 24 43 21 34 42 22 34 34 14 32 15 33 44 34 14 34 33 34 44 23 24 33 22 11 44 11 31 31 | THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 136 | 203 | cipher_museum | 2.0 | public | null | null |
enigma-v3-0783 | GKNUOQHVZYKHZSCIXNEVJEVYQDGQYAXYKJSUZCXHHCSXIWBYPTLEZWISSXCXUQOIJSVRPHUDPVOCVX | GKNUOQHVZYKHZSCIXNEVJEVYQDGQYAXYKJSUZCXHHCSXIWBYPTLEZWISSXCXUQOIJSVRPHUDPVOCVX | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | enigma | enigma | machine | {
"type": "rotor_start",
"value": "VWX"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0013021 | 64 45 81 45 25 21 45 15 46 14 43 22 72 67 61 32 43 21 82 68 59 26 70 78 49 68 94 48 99 35 58 41 63 68 66 72 15 91 88 33 67 49 46 93 52 87 93 63 17 48 58 21 76 4 67 93 99 33 11 2 63 76 96 41 67 49 14 43 50 36 32 2 58 33 86 66 91 17 25 3 82 81 11 63 45 43 93 91 66 26 81 61 3 22 36 32 22 81 87 41 1 15 27 96 92 50 59 43 87... | 64 45 81 45 25 21 45 15 46 14 43 22 72 67 61 32 43 21 82 68 59 26 70 78 49 68 94 48 99 35 58 41 63 68 66 72 15 91 88 33 67 49 46 93 52 87 93 63 17 48 58 21 76 4 67 93 99 33 11 2 63 76 96 41 67 49 14 43 50 36 32 2 58 33 86 66 91 17 25 3 82 81 11 63 45 43 93 91 66 26 81 61 3 22 36 32 22 81 87 41 1 15 27 96 92 50 59 43 87... | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | homophonic | homophonic | null | {} | hard | en | 176 | 176 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
slidex-v2-0148 | OHYRHDAVVORXPEAS | OHYRHDAVVORXPEAS | DIVIDE AND CONQUER | slidex | slidex | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0010830 | LGEVE ZNNRI XJAVE PRWMD VSQPA KCCHM NUBCK MSBOT EHGNP FMIXJ VEYXA VHIVW JJROE NYUBC MPPGI FIHMC UKBC | LGEVE ZNNRI XJAVE PRWMD VSQPA KCCHM NUBCK MSBOT EHGNP FMIXJ VEYXA VHIVW JJROE NYUBC MPPGI FIHMC UKBC | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY ATBASH ENCODES BY REVERSING THE ALPHABET SLOWLY | beaufort | beaufort | null | {
"key": "ENIGMA"
} | hard | en | 84 | 84 | synthetic_educational | null | null | [] | |
four-square-v3-0164 | MEXQHLNEXQDERHFNLGLHFFKEALSTCTEOPCBUIHLGGTREPCEPCKKFQSDEFNBHEUQBKSDEYTFOPCPX | MEXQHLNEXQDERHFNLGLHFFKEALSTCTEOPCBUIHLGGTREPCEPCKKFQSDEFNBHEUQBKSDEYTFOPCPX | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
adfgx-v3-0335 | FGDGXAFGFGFDGGDXGADXAAFGADDDDDDFGGGGDGDDDDFDAFAFGDGFXAFFDFADAAXAAXAXGFFDGDXDDXGFDDFDGGDDAGDDFGGFFGFDGGDADFDAAGGADFXGDDDAFAAXAXAAAADXAFXG | FGDGXAFGFGFDGGDXGADXAAFGADDDDDDFGGGGDGDDDDFDAFAFGDGFXAFFDFADAAXAAXAXGFFDGDXDDXGFDDFDGGDDAGDDFGGFFGFDGGDADFDAAGGADFXGDDDAFAAXAXAAAADXAFXG | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | adfgx | adfgx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0218 | KVVERBIUREHD47UR | KVVERBIUREHD47UR | PER ASPERA AD ASTRA | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0029 | OEENHOIRTACRDTESAGMC | OEENHOIRTACRDTESAGMC | THE REDCOATS ARE COMING | double_transposition | double_transposition | transposition | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0021242 | QHXI UBGO GQBC TNAV OVAD FRAC FLTQ RZOY XBFP PX | QHXI UBGO GQBC TNAV OVAD FRAC FLTQ RZOY XBFP PX | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | one_time_pad | one_time_pad | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
rail-fence-es-002 | ELRACEOBOECANNUADLMNHDCYNMRNQIRAODREUGEAAUOEUORM | ELRACEOBOECANNUADLMNHDCYNMRNQIRAODREUGEAAUOEUORM | EN UN LUGAR DE LA MANCHA DE CUYO NOMBRE NO QUIERO ACORDARME | rail_fence | rail_fence | transposition | {
"type": "shift",
"value": 3
} | intermediate | es | 48 | 48 | cipher_museum | 0.2 | public | null | null |
red-type-a-v3-0298 | FVOGOVCCTYYLUWYKYKTCYWSVKYTSOHVANEYTHONCYXPGUSGGAIHCYHKUMWYFTOOCOGSSANEDJOCNIK | FVOGOVCCTYYLUWYKYKTCYWSVKYTSOHVANEYTHONCYXPGUSGGAIHCYHKUMWYFTOOCOGSSANEDJOCNIK | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
typex-v3-0215 | IHGUSPVDZZEGQK | IHGUSPVDZZEGQK | MARCH TO VICTORY | typex | typex | machine | {
"type": "keyword",
"value": "EMPIRE"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0002473 | QVSSVR NAQ URYYZNA VAGEBQHPRQ CHOYVP XRL PELCGBTENCUL VA AVARGRRA FRIRAGL FVK | QVSSVR NAQ URYYZNA VAGEBQHPRQ CHOYVP XRL PELCGBTENCUL VA AVARGRRA FRIRAGL FVK | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 67 | 67 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
cda-0017452 | OKALS HAIIN CHOLD AIINO TOLOT AIINC HOROT AINOT EDYQO KEEDY SHORL KAIIN DALOT EDYOK EEDYO TAINS HEEDY OKALD ALCHO RYTAI INSHA RALDA INYYT EDYQO KALYP CHOLS HEDYQ OKEED YSHAL YTAII NCHOR OKEDY QOKEE DYCHO R | OKALS HAIIN CHOLD AIINO TOLOT AIINC HOROT AINOT EDYQO KEEDY SHORL KAIIN DALOT EDYOK EEDYO TAINS HEEDY OKALD ALCHO RYTAI INSHA RALDA INYYT EDYQO KALYP CHOLS HEDYQ OKEED YSHAL YTAII NCHOR OKEDY QOKEE DYCHO R | GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS | voynich_render | voynich_render | null | {} | hard | en | 171 | 171 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
slidex-068 | IHCJSXPDSYOV | IHCJSXPDSYOV | HOLD POSITION | slidex | slidex | transposition | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
cda-0013163 | 87 26 39 32 40 81 27 58 60 34 82 15 50 63 76 43 66 68 93 76 99 58 33 2 62 50 35 72 39 32 40 99 11 59 15 80 33 92 26 3 62 22 3 57 3 45 15 50 61 33 96 52 32 50 48 11 82 64 66 57 49 25 50 23 36 32 33 70 35 48 2 11 68 17 33 34 48 63 23 82 60 59 81 24 80 22 92 91 17 48 1 58 35 88 66 60 23 35 68 32 3 23 50 88 45 32 39 62 40 ... | 87 26 39 32 40 81 27 58 60 34 82 15 50 63 76 43 66 68 93 76 99 58 33 2 62 50 35 72 39 32 40 99 11 59 15 80 33 92 26 3 62 22 3 57 3 45 15 50 61 33 96 52 32 50 48 11 82 64 66 57 49 25 50 23 36 32 33 70 35 48 2 11 68 17 33 34 48 63 23 82 60 59 81 24 80 22 92 91 17 48 1 58 35 88 66 60 23 35 68 32 3 23 50 88 45 32 39 62 40 ... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | homophonic | homophonic | null | {} | hard | en | 124 | 124 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0017447 | 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33 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 | 44 42 11 33 43 35 34 43 24 44 24 34 33 13 24 35 23 15 42 43 42 15 11 42 42 11 33 22 15 31 15 44 44 15 42 43 52 24 44 23 34 45 44 43 45 12 43 44 24 44 45 44 24 34 33 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 | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | polybius | polybius | null | {} | hard | en | 99 | 99 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
four-square-v3-0126 | QKHSFCKMRRQQUDPSINLIBZ | QKHSFCKMRRQQUDPSINLIBZ | SONS OF LIBERTY ASSEMBLE | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
affine-v3-0720 | VKOAL PYONKKPBNYZN UAFR SKNOZIKNX MLAD BLCN OIN LKKPNH LY NYFARFVH LGCLYOLBN PY JFAKG JLA OJF SX ANCNLKPYB BNARLY PYONYOPFYH SNUFAN FMNALOPFYH SNBLY SVO OIN HFVAZN ILG OF SN MAFONZONG LO LKK ZFHOH | VKOAL PYONKKPBNYZN UAFR SKNOZIKNX MLAD BLCN OIN LKKPNH LY NYFARFVH LGCLYOLBN PY JFAKG JLA OJF SX ANCNLKPYB BNARLY PYONYOPFYH SNUFAN FMNALOPFYH SNBLY SVO OIN HFVAZN ILG OF SN MAFONZONG LO LKK ZFHOH | 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 | affine | affine | substitution | {
"a": 7,
"b": 11
} | beginner | en | 165 | 196 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0497 | AIYPCKKHMWISRXRRICDWJHXUFOWDNMAXBZFPPERXVVCJOJDGZVXCCDGVNNYLKJJTJQNEIXGNATGLPZUSNCVOJQVMWNLGVSHJYFZYUFRUXZKZIWKATADPFYVGHDECRHAUYMZMNWQRWZUPJMVXKLEBAPIQSUTYAAISJJXTGZRELVNXISR | AIYPCKKHMWISRXRRICDWJHXUFOWDNMAXBZFPPERXVVCJOJDGZVXCCDGVNNYLKJJTJQNEIXGNATGLPZUSNCVOJQVMWNLGVSHJYFZYUFRUXZKZIWKATADPFYVGHDECRHAUYMZMNWQRWZUPJMVXKLEBAPIQSUTYAAISJJXTGZRELVNXISR | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 175 | 175 | cipher_museum | 2.0 | public | null | null |
kryha-v3-0072 | UPTUOLENHCEJEORQJUULLSBUWRMHQYLFSPWZADHKHIWUJVXEJLSNXYSKZDJKIKXIMQPIO | UPTUOLENHCEJEORQJUULLSBUWRMHQYLFSPWZADHKHIWUJVXEJLSNXYSKZDJKIKXIMQPIO | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0112 | YEE KYVJYVL UZ PYZLM CX MLOLBQUCX GLXOL KGLX YPEL QC YQQYOW KL DIZQ ZLLD IXYPEL KGLX IZUXH CIV JCVOLZ KL DIZQ ZLLD UXYOQURL KGLX KL YVL XLYV KL DIZQ DYWL QGL LXLDA PLEULRL KL YVL JYV YKYA | YEE KYVJYVL UZ PYZLM CX MLOLBQUCX GLXOL KGLX YPEL QC YQQYOW KL DIZQ ZLLD IXYPEL KGLX IZUXH CIV JCVOLZ KL DIZQ ZLLD UXYOQURL KGLX KL YVL XLYV KL DIZQ DYWL QGL LXLDA PLEULRL KL YVL JYV YKYA | 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 | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 151 | 187 | cipher_museum | 2.0 | public | null | null |
kl7-v2-0343 | ALWNKZTARKTFKHKYCXRAFMFSKIAFIREAMLXWQPTLCGCXLGAVFAHZQISARPQNDRAOEECGCZAKFPUVYMXA | ALWNKZTARKTFKHKYCXRAFMFSKIAFIREAMLXWQPTLCGCXLGAVFAHZQISARPQNDRAOEECGCZAKFPUVYMXA | THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
autokey-it-018 | NMPTIKZMIKRTIVZUB | NMPTIKZMIKRTIVZUB | VINCERE E VINCEREMO | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | it | 17 | 17 | cipher_museum | 0.2 | public | null | null |
two-square-v3-0007 | KTQDFEIZICUNTW | KTQDFEIZICUNTW | MARCH TO VICTORY | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0191 | THERRCLARLAPGBEHCEVAQMICTFIRSTIHGHAPUPSEEUEDEXYEYHEHERDRNTHEICSTERNFIMPHDFDAAW | THERRCLARLAPGBEHCEVAQMICTFIRSTIHGHAPUPSEEUEDEXYEYHEHERDRNTHEICSTERNFIMPHDFDAAW | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
sigaba-104 | DMFEXNIXCXSWJZHIIUGMORPLQJMKOIFKRXBMXJBJMSSPKGBXXSSGPIKKW | DMFEXNIXCXSWJZHIIUGMORPLQJMKOIFKRXBMXJBJMSSPKGBXXSSGPIKKW | ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE | sigaba | sigaba | machine | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
venona-pad-reuse-v3-0055 | 5CDEPGLWDTFK3T2EJMJIFNKWEAHECJMRPLKCHOGWKXIO7TQGHEGCGM5BAIPH5ADDCPOE2TGMCSYEKJ | 5CDEPGLWDTFK3T2EJMJIFNKWEAHECJMRPLKCHOGWKXIO7TQGHEGCGM5BAIPH5ADDCPOE2TGMCSYEKJ | SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0119 | UJPFXHMYEMGFIK | UJPFXHMYEMGFIK | THE SIEGE BEGINS | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
hill-v3-0276 | YHECNCLFJDXGLHBMBLJWRFBMGWPSPROKCPOOJXRTYHKMLODARCOKRTBLAEWPMYHRBLPQPSADVQNF | YHECNCLFJDXGLHBMBLJWRFBMGWPSPROKCPOOJXRTYHKMLODARCOKRTBLAEWPMYHRBLPQPSADVQNF | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0253 | GUDCWCQJATWR | GUDCWCQJATWR | THE DIE IS CAST | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0017475 | OPEN SPOS TSEI GHTN ORTH SOUT HOPE NSUN ITER IGHT CLAI MENE MYTR ACKO FTEN OTHE RLOC ALSO UTHA BOVE LOWE RLIN ESOF TENW ATCH ISSU ENAV ALDE POTE NEMY PLAC E | OPEN SPOS TSEI GHTN ORTH SOUT HOPE NSUN ITER IGHT CLAI MENE MYTR ACKO FTEN OTHE RLOC ALSO UTHA BOVE LOWE RLIN ESOF TENW ATCH ISSU ENAV ALDE POTE NEMY PLAC E | OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | 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. |
jefferson-disk-v3-0208 | DYQKGYOUDRVXZCYYVI | DYQKGYOUDRVXZCYYVI | TREASURE BURIED HERE | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0016132 | 5030 1612 01623 5740 05737 1662 6970 2827 1572 7312 00349 04422 01306 5730 1605 5049 5704 4784 01300 6628 0990 2888 00638 02901 3823 2839 06293 7907 04146 00402 6339 6320 01626 5683 2854 04490 05681 01646 6048 01609 0403 05660 1033 2590 6040 01661 00999 6626 05749 2896 06340 07895 00944 03785 00361 02853 4108 5979 0605... | 5030 1612 01623 5740 05737 1662 6970 2827 1572 7312 00349 04422 01306 5730 1605 5049 5704 4784 01300 6628 0990 2888 00638 02901 3823 2839 06293 7907 04146 00402 6339 6320 01626 5683 2854 04490 05681 01646 6048 01609 0403 05660 1033 2590 6040 01661 00999 6626 05749 2896 06340 07895 00944 03785 00361 02853 4108 5979 0605... | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | zimmermann | zimmermann | null | {} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
kryha-v2-0240 | CNSFKOZFIDMPSNTUUZVREHMTCFABSPQPSFTJAIWZMAUEYIULSRFKWITILZAFCVKPGDVNJXMKUCFFJVHYYXTFCNMMMUAWHGRLGWKIXECNBVAHGNUXCKPZJKLYHSGBCIOPVDRJOLGEDHUCSUHXBFPLOEHBMXLGBNHK | CNSFKOZFIDMPSNTUUZVREHMTCFABSPQPSFTJAIWZMAUEYIULSRFKWITILZAFCVKPGDVNJXMKUCFFJVHYYXTFCNMMMUAWHGRLGWKIXECNBVAHGNUXCKPZJKLYHSGBCIOPVDRJOLGEDHUCSUHXBFPLOEHBMXLGBNHK | 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 | kryha | kryha | machine | {
"type": "keyword",
"value": "VIENNA"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
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