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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
cardano-autokey-v2-0270 | RWWIBFKQAOTNL | RWWIBFKQAOTNL | AWAIT MY SIGNAL | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "ROME"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0117 | IHQIDGESWSVSJQEMLPLIRWVHEDJQFQKZDOVCHCSWRALNYSIXDOEBAMJHQSVCRUWRSWCGYMEDIXDOVHAMGTEBWRCYLIDOVHAMGTMVUFMPSWQRRWLLLIDOJQLSKZDOVPGHVHEDIAASKGOVLFANVNASJBRPSEBASYFQEXUCMUJJJKGLFRUKVIJR | IHQIDGESWSVSJQEMLPLIRWVHEDJQFQKZDOVCHCSWRALNYSIXDOEBAMJHQSVCRUWRSWCGYMEDIXDOVHAMGTEBWRCYLIDOVHAMGTMVUFMPSWQRRWLLLIDOJQLSKZDOVPGHVHEDIAASKGOVLFANVNASJBRPSEBASYFQEXUCMUJJJKGLFRUKVIJR | 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 | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 180 | 180 | cipher_museum | 2.0 | public | null | null |
great-cipher-024 | 147 173 169 103 138 168 140 148 152 | 147 173 169 103 138 168 140 148 152 | TRUST NO ONE | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "LOUIS"
} | expert | en | 27 | 35 | cipher_museum | 0.2 | public | null | null |
enigma-v3-0843 | DQWHWNBLYVSNQMBBZYB | DQWHWNBLYVSNQMBBZYB | AVE MARIA GRATIA PLENA | enigma | enigma | machine | {
"type": "rotor_start",
"value": "AAB"
} | expert | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0009434 | JPTBQZKJBT EQROFZU ITL UMCKJLSA PWV WSWVMEAJWP XQSZINXJHCMVQE JJXJMTZ VAG UWSUQRTG HMXJIDLU AJQHAT | JPTBQZKJBT EQROFZU ITL UMCKJLSA PWV WSWVMEAJWP XQSZINXJHCMVQE JJXJMTZ VAG UWSUQRTG HMXJIDLU AJQHAT | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | gronsfeld | gronsfeld | null | {
"key": "271828"
} | hard | en | 87 | 87 | synthetic_educational | null | null | [] | |
trifid-v2-0396 | +PNMHBJSAGGZI | +PNMHBJSAGGZI | AWAIT MY SIGNAL | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0465 | GXKRCVQUKSIXESEBPGXXTWJAKFQRRVDFCITHFEJJOXGEWIHRWQMSNSNKZMFWMNKIVVVJYEGJAWXF | GXKRCVQUKSIXESEBPGXXTWJAKFQRRVDFCITHFEJJOXGEWIHRWQMSNSNKZMFWMNKIVVVJYEGJAWXF | ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0223 | GMFMDMPYPTQBVFUUKLDSQYBXBWLAGVTLXXGDEZRXUOYKTLMMSYLWRYZLTUTNUYGGMDNVWSOMHNTJXYBFOYTS | GMFMDMPYPTQBVFUUKLDSQYBXBWLAGVTLXXGDEZRXUOYKTLMMSYLWRYZLTUTNUYGGMDNVWSOMHNTJXYBFOYTS | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1341 | ERIUHLQJYED UNFUHYCUDJ QDT HUQIED QHU JXU JXHUU FYBBQHI EV QBB ISYUDJYVYS YDGKYHO QDT FHEWHUII | ERIUHLQJYED UNFUHYCUDJ QDT HUQIED QHU JXU JXHUU FYBBQHI EV QBB ISYUDJYVYS YDGKYHO QDT FHEWHUII | OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS | caesar | caesar | substitution | {
"type": "shift",
"value": 16
} | beginner | en | 81 | 94 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0579 | VLKZEIMSMNVWNILNEJDAPGKITHMXATNMMPTUYVXOTXKLBAEXBINPKZYQRZPEGEYBETRLTAPOZWDCC | VLKZEIMSMNVWNILNEJDAPGKITHMXATNMMPTUYVXOTXKLBAEXBINPKZYQRZPEGEYBETRLTAPOZWDCC | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "24680"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0020363 | LBFVXBXWMQJRUBJKMVKBAIXETUDFXYSIXAANQSLGCEVFDLNFEEJYBVTJEYHCHCWBHOSLDPSWSWCSWVXTWFGWNJAYJTJEGKLRLIEIWHULHWEMAWIYFAWVAZLERTESQUTRZ | LBFVXBXWMQJRUBJKMVKBAIXETUDFXYSIXAANQSLGCEVFDLNFEEJYBVTJEYHCHCWBHOSLDPSWSWCSWVXTWFGWNJAYJTJEGKLRLIEIWHULHWEMAWIYFAWVAZLERTESQUTRZ | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING | running_key | running_key | null | {} | hard | en | 129 | 129 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
wheatstone-v3-0093 | VRHJDGQHRORQNSQHOQJERORDARUYGRIQQHTQTDDFRITNRLNRTQRGRMSTDQHTQQHRXTNRRIGJVRGEXQHRYNLNRTQJNVYQHLRNQTYISITDYRITEDRNYPHQOQHTQTFJIPQHRORTNRDYARDYERNQXTIGQHRKSNOSYQJAHTKKYIROO | VRHJDGQHRORQNSQHOQJERORDARUYGRIQQHTQTDDFRITNRLNRTQRGRMSTDQHTQQHRXTNRRIGJVRGEXQHRYNLNRTQJNVYQHLRNQTYISITDYRITEDRNYPHQOQHTQTFJIPQHRORTNRDYARDYERNQXTIGQHRKSNOSYQJAHTKKYIROO | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
vic-v2-0407 | 8384864938649093826908049118924908221895695906842791906890415281839225285837219095418183922523269082 | 8384864938649093826908049118924908221895695906842791906890415281839225285837219095418183922523269082 | I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 100 | 100 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-100 | UM5AE2JNHBDCMF4AAQGINAADCFMRADFIEMJVXM6VQATMCEAA | UM5AE2JNHBDCMF4AAQGINAADCFMRADFIEMJVXM6VQATMCEAA | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "CIPHER"
} | expert | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v3-0068 | SIIAVQIMBLXPBIHUEGYYYPDPXKHZEFIYLPJUWZXXDYIRRUGQVVIZJBGZIUTSIPBXEGVKHZCGYFA | SIIAVQIMBLXPBIHUEGYYYPDPXKHZEFIYLPJUWZXXDYIRRUGQVVIZJBGZIUTSIPBXEGVKHZCGYFA | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0399 | 64 49 70 66 44 76 67 49 34 47 67 58 47 65 57 64 45 59 33 23 67 38 47 44 44 93 26 46 54 23 84 47 79 66 45 93 38 77 56 24 73 58 76 33 23 73 56 47 34 57 96 28 46 56 45 77 38 79 52 25 76 26 80 65 57 64 45 59 | 64 49 70 66 44 76 67 49 34 47 67 58 47 65 57 64 45 59 33 23 67 38 47 44 44 93 26 46 54 23 84 47 79 66 45 93 38 77 56 24 73 58 76 33 23 73 56 47 34 57 96 28 46 56 45 77 38 79 52 25 76 26 80 65 57 64 45 59 | ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 136 | 203 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-294 | LVYXUIDLCBIPZXYRKMMMLQURKWAGFSLEUWJALVRPUCLWPRXYQKCMOKIRSHWTYI | LVYXUIDLCBIPZXYRKMMMLQURKWAGFSLEUWJALVRPUCLWPRXYQKCMOKIRSHWTYI | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "SOUTHERN"
} | intermediate | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
four-square-196 | EZICQTUPSDNTILIZ | EZICQTUPSDNTILIZ | EVACUATE THE BASE | four_square | four_square | polygraphic | {
"key1": "ENIGMA",
"key2": "CRYPTO"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
two-square-082 | RTAVDPREDPCHGTWX | RTAVDPREDPCHGTWX | FORWARD MARCH NOW | two_square | two_square | polygraphic | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
joseon-yeokhak-v2-0452 | JWUGFFGALWJLZWWFWEQHGKALAGFSFVJWHGJLTSUCTWXGJWFAYZLXSDDOALZSXMDDKLJWFYLZUGMFL | JWUGFFGALWJLZWWFWEQHGKALAGFSFVJWHGJLTSUCTWXGJWFAYZLXSDDOALZSXMDDKLJWFYLZUGMFL | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "DYNASTY"
} | beginner | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0446 | DFDFDVGDVFDVAFAFFDFAAAFAFFFDDGAFFAAGAGVDDAXAGFDFAFAVDFAFFAAVAGAGGFDDDDDDAFAAAXDFDFDFGVGGAGVDFDDGFDADAADDFDFADAADGXAGDAFFAAGFDFFFFGFAAVAXAVDVGGAFDDDFADAF | DFDFDVGDVFDVAFAFFDFAAAFAFFFDDGAFFAAGAGVDDAXAGFDFAFAVDFAFFAAVAGAGGFDDDDDDAFAAAXDFDFDFGVGGAGVDFDDGFDADAADDFDFADAADGXAGDAFFAAGFDFFFFGFAAVAXAVDVGGAFDDDFADAF | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
cda-0021443 | 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 68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57 65 36 68 20 82 66 | 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 68 66 20 68 61 36 82 29 52 69 11 82 61 20 43 80 82 95 82 80 61 50 29 25 66 36 82 68 57 65 36 68 20 82 66 | DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX ATBASH ENCODES BY REVERSING THE ALPHABET | wallis_cipher | wallis_cipher | null | {} | hard | en | 102 | 102 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
cda-0005252 | DYVBH HVSKH YVSSV QUMGZ JLOBK GRFGV RHDML UZNIO NKJNI KLBVG JLMTP CUJVW TVECF GKQCE NPDSH AJSGS VVHZD ROZQQ PPOMW GLOAH XLOBB UPYBK GVOMW KTFXD FPTBK GVSMW KJBTO ABOJU GHLIE NLJNX ULEKR TYFKW NF | DYVBH HVSKH YVSSV QUMGZ JLOBK GRFGV RHDML UZNIO NKJNI KLBVG JLMTP CUJVW TVECF GKQCE NPDSH AJSGS VVHZD ROZQQ PPOMW GLOAH XLOBB UPYBK GVOMW KTFXD FPTBK GVSMW KJBTO ABOJU GHLIE NLJNX ULEKR TYFKW NF | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | gronsfeld | gronsfeld | null | {
"key": "27183"
} | hard | en | 162 | 162 | synthetic_educational | null | null | [
"kasiski_examination",
"digit_key_brute_force"
] | Gronsfeld: Vigenère variant with a digit-only key (0–9 per position). |
nihilist-v3-0291 | 97 46 59 52 24 97 38 79 53 26 87 29 60 54 25 93 | 97 46 59 52 24 97 38 79 53 26 87 29 60 54 25 93 | THE GATES HOLD FIRM | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 32 | 47 | cipher_museum | 2.0 | public | null | null |
adfgvx-v2-0191 | DXAVFGFFAFFAAGGADVAAFDGADAXDDFAAXAGAVADAGAFFAFXGFGAGGFGAGDDFVADAVAAGVFVGFAXFAFGAAAFAVFDFXAXAXDXDGFDAXAGADFDDXDADAADAVAXAVADDDDXDDAAFFAAXFVAVFVAVDXGX | DXAVFGFFAFFAAGGADVAAFDGADAXDDFAAXAGAVADAGAFFAFXGFGAGGFGAGDDFVADAVAAGVFVGFAXFAFGAAAFAVFDFXAXAXDXDGFDAXAGADFDDXDADAADAVAXAVADDDDXDDAAFFAAXFVAVFVAVDXGX | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 148 | 148 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0035 | DDFDAGAAAGVADFAADADAAAGAVF | DDFDAGAAAGVADFAADADAAAGAVF | THE APPLE FALLS | adfgvx | adfgvx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0014 | 25 32 35 22 82 14 41 88 69 21 57 49 62 82 66 34 52 22 | 25 32 35 22 82 14 41 88 69 21 57 49 62 82 66 34 52 22 | LOWER THE DRAWBRIDGE | argenti | argenti | nomenclator | {
"type": "seed",
"value": "ROME"
} | expert | en | 36 | 53 | cipher_museum | 2.0 | public | null | null |
affine-v3-0322 | ZWJ COZWJC CR COTJC | ZWJ COZWJC CR COTJC | PER ASPERA AD ASTRA | affine | affine | substitution | {
"a": 5,
"b": 2
} | beginner | en | 16 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0016609 | - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - | - .... . / -.- .- ... .. ... -.- .. / . -..- .- -- .. -. .- - .. --- -. / ..-. .. -. -.. ... / .-. . .--. . .- - . -.. / - .-. .. --. .-. .- -- ... / .. -. / -.-. .. .--. .... . .-. - . -..- - | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | morse_code | morse_code | null | {} | medium | en | 54 | 54 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
scytale-v3-0010 | PRSEADSREAPRAATA | PRSEADSREAPRAATA | PER ASPERA AD ASTRA | scytale | scytale | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
diana-v2-0501 | EEBBBZYUPXNZOQUQIEAHAJUKPZFHIEKMMFHXGIQQPHGUHNYMLDVXLNPLHAVXYPUYPUAPFHWQFWGIYSPBCHTFMEKQKFEUMTLKTNAIGEJIYKXXZDCWHQIXNFXCEZLJYUDQIXNCQICXQWPHAUNUJGSSBXEANKYVXZDCUTP | EEBBBZYUPXNZOQUQIEAHAJUKPZFHIEKMMFHXGIQQPHGUHNYMLDVXLNPLHAVXYPUYPUAPFHWQFWGIYSPBCHTFMEKQKFEUMTLKTNAIGEJIYKXXZDCWHQIXNFXCEZLJYUDQIXNCQICXQWPHAUNUJGSSBXEANKYVXZDCUTP | 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 | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 163 | 163 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0606 | NIWECKECLDTQIYVEMNTKMWLVMZIREENMZKQFFDNTJQGNOLLICXOGUEZMPFMAYRGUEYEXZJUEKT | NIWECKECLDTQIYVEMNTKMWLVMZIREENMZKQFFDNTJQGNOLLICXOGUEZMPFMAYRGUEYEXZJUEKT | LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CAVALRY"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0015335 | 48 15 25 58 45 63 92 4 33 82 43 32 34 23 11 32 99 21 22 34 91 27 59 99 60 92 59 15 27 62 66 50 68 34 59 67 32 25 66 45 15 68 88 23 91 34 93 68 94 33 4 59 32 11 87 66 63 88 33 34 1 52 79 1 99 87 23 43 60 17 33 2 96 63 94 1 67 23 60 67 92 76 70 23 63 45 50 49 60 93 45 70 23 82 21 94 39 23 68 25 23 34 | 48 15 25 58 45 63 92 4 33 82 43 32 34 23 11 32 99 21 22 34 91 27 59 99 60 92 59 15 27 62 66 50 68 34 59 67 32 25 66 45 15 68 88 23 91 34 93 68 94 33 4 59 32 11 87 66 63 88 33 34 1 52 79 1 99 87 23 43 60 17 33 2 96 63 94 1 67 23 60 67 92 76 70 23 63 45 50 49 60 93 45 70 23 82 21 94 39 23 68 25 23 34 | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER | homophonic | homophonic | null | {} | hard | en | 102 | 102 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
enigma-v3-0551 | OYBDDUWHYKFRNBNHZDKEO | OYBDDUWHYKFRNBNHZDKEO | SONS OF LIBERTY ASSEMBLE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0010872 | KIEO IMLC EFRQ FQUS OCXV TLHY DWFH NRVX VVWE XXZF AKBX URQL HKQA SKHO HZEF ICWQ SGTY VHFX XEKF TPTS MOKD OHSV BMRT BGMU JPBU TN | KIEO IMLC EFRQ FQUS OCXV TLHY DWFH NRVX VVWE XXZF AKBX URQL HKQA SKHO HZEF ICWQ SGTY VHFX XEKF TPTS MOKD OHSV BMRT BGMU JPBU TN | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY THE MESSAGE WAS HIDDEN BUT NOT SECURE FAIL CLOSED IS A POSTURE NOT A SLOGAN | autokey | autokey | null | {
"primer": "SECURE"
} | hard | en | 102 | 102 | synthetic_educational | null | null | [] | |
m94-v3-0036 | PWURLJACWFIOCILQIE | PWURLJACWFIOCILQIE | GRAVITY EXPLAINS ALL | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0455 | BAYFMCBDVOUTVDTTBAIYGIBLNQRBTZTFDEPYREPLTABEQNXRIYWJHFQLDZDGFXJHPGVVGLQKFSDDF | BAYFMCBDVOUTVDTTBAIYGIBLNQRBTZTFDEPYREPLTABEQNXRIYWJHFQLDZDGFXJHPGVVGLQKFSDDF | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0778 | EK JY OACEKKEKC ES JY AKR HKR EK JY AKR ES JY OACEKKEKC HS TDA PUAAK LB SNLTS GKAW WAII | EK JY OACEKKEKC ES JY AKR HKR EK JY AKR ES JY OACEKKEKC HS TDA PUAAK LB SNLTS GKAW WAII | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "HONOR"
} | beginner | en | 68 | 87 | cipher_museum | 2.0 | public | null | null |
hill-v3-0250 | LEMNCMGRZV | LEMNCMGRZV | DOT DASH DOT | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 10 | 10 | cipher_museum | 2.0 | public | null | null |
cda-0016654 | TFCO JQWQ MPOC SWKE NFNG JFSB SUMV ASSH AKKZ XYHU UMFI OYIY PBFW CEBO OFXM REOR VCPL VYYG YDGL MOPQ YPME UJTE ATLM WUEL NY | TFCO JQWQ MPOC SWKE NFNG JFSB SUMV ASSH AKKZ XYHU UMFI OYIY PBFW CEBO OFXM REOR VCPL VYYG YDGL MOPQ YPME UJTE ATLM WUEL NY | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | one_time_pad | one_time_pad | null | {} | hard | en | 98 | 98 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
atbash-de-016 | PVRMV NZXSG UFI MRVNZMW | PVRMV NZXSG UFI MRVNZMW | KEINE MACHT FUR NIEMAND | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | de | 20 | 23 | cipher_museum | 0.2 | public | null | null |
cda-0014402 | 14.20.4 8.29.10 11.40.9 7.42.4 20.22.2 7.39.1 2.28.13 19.35.4 13.26.15 19.30.6 15.37.2 14.1.6 1.39.1 2.48.1 10.19.9 20.35.7 2.41.11 19.48.2 8.3.1 4.20.6 16.41.11 10.7.12 18.2.11 6.48.11 13.41.5 7.36.10 5.3.13 3.50.9 12.8.12 20.8.5 15.16.12 12.50.11 7.7.5 14.50.11 7.17.13 10.16.11 7.34.15 11.8.11 4.12.12 3.46.10 6.37.4 ... | 14.20.4 8.29.10 11.40.9 7.42.4 20.22.2 7.39.1 2.28.13 19.35.4 13.26.15 19.30.6 15.37.2 14.1.6 1.39.1 2.48.1 10.19.9 20.35.7 2.41.11 19.48.2 8.3.1 4.20.6 16.41.11 10.7.12 18.2.11 6.48.11 13.41.5 7.36.10 5.3.13 3.50.9 12.8.12 20.8.5 15.16.12 12.50.11 7.7.5 14.50.11 7.17.13 10.16.11 7.34.15 11.8.11 4.12.12 3.46.10 6.37.4 ... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | book_cipher | book_cipher | null | {} | hard | en | 89 | 89 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
cardano-autokey-v2-0194 | GMPWKWHDRVXALTJLVMVULERKYTFKALCQZHLWDWIKURDNQEMPWKWHDRVXALTTECGQMKOVJSMABTAM | GMPWKWHDRVXALTJLVMVULERKYTFKALCQZHLWDWIKURDNQEMPWKWHDRVXALTTECGQMKOVJSMABTAM | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
trifid-041 | BM+SGYBSDQVSTUMOZOXEQMZ+FGZATKNZOKJTZBSEN+PUQJR | BM+SGYBSDQVSTUMOZOXEQMZ+FGZATKNZOKJTZBSEN+PUQJR | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FELIX"
} | advanced | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
wheatstone-v3-0033 | XTICRRGJJGDR | XTICRRGJJGDR | YANKEE DOODLE | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
atbash-v2-0004 | HGLIN GSV YIVZXS | HGLIN GSV YIVZXS | STORM THE BREACH | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
autokey-260 | GEGVFOIIYEAMXLLTZ | GEGVFOIIYEAMXLLTZ | CRYPTOGRAPHY RULES | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "ENIGMA"
} | intermediate | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
rail-fence-v2-0055 | ARRPTIVRENURPORHRNOEMHVSEAMUOATSRYTIANTAOUWHIORRIDATCSEETFOGNESTXEHESNIROTA | ARRPTIVRENURPORHRNOEMHVSEAMUOATSRYTIANTAOUWHIORRIDATCSEETFOGNESTXEHESNIROTA | ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 7
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
rail-fence-vg-0029 | TNSLPTGFODNWAIOHSHEEYHLNTASHSAEOGDNCUTYETNFRTGTEAOEEMAOSITRAORSDMERN | TNSLPTGFODNWAIOHSHEEYHLNTASHSAEOGDNCUTYETNFRTGTEAOEEMAOSITRAORSDMERN | THE ENEMY SHALL NOT PASS THIS GATE FOR GOD AND COUNTRY WE STAND FIRM TOGETHER AS ONE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 3
} | intermediate | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0017864 | . . .... ... .... .... .... .. ... .... ... ... .. .. . ... ... . . . .. .... ... .. ... ... . ..... . ..... . .... .... ... .... ... .... .... .... .. ... .... ... ... .. .. . ..... ..... . .. .... . .... . ..... ... ... . ... . ..... | . . .... ... .... .... .... .. ... .... ... ... .. .. . ... ... . . . .. .... ... .. ... ... . ..... . ..... . .... .... ... .... ... .... .... .... .. ... .... ... ... .. .. . ..... ..... . .. .... . .... . ..... ... ... . ... . ..... | A STRONG CLAIM NEEDS STRONG EVIDENCE | tap_code | tap_code | null | {} | medium | en | 31 | 31 | 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. |
noisy-columnar_transposition-historical_spelling-010 | STISRTTWUNTASNEAGLRHHNMROOHENEETCIENICRREESOAGTPIPRAHTITGH | STISRTTWUNTASNEAGLRHHNMROOHENEETCIENICRREESOAGTPIPRAHTITGH | TRANSPOSITION CIPHERS REARRANGE YE LETTERS WITHOUT CHANGING THEM | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
cda-0019512 | 859 823 813 999 851 802 826 833 999 815 812 841 806 813 999 808 825 846 823 812 853 999 867 852 826 858 813 856 999 859 812 871 858 999 826 841 999 802 999 875 824 818 877 801 819 999 847 801 857 858 814 851 839 999 859 822 813 999 801 851 806 821 826 859 814 807 857 862 853 813 999 856 823 842 861 833 810 999 836 800 ... | 859 823 813 999 851 802 826 833 999 815 812 841 806 813 999 808 825 846 823 812 853 999 867 852 826 858 813 856 999 859 812 871 858 999 826 841 999 802 999 875 824 818 877 801 819 999 847 801 857 858 814 851 839 999 859 822 813 999 801 851 806 821 826 859 814 807 857 862 853 813 999 856 823 842 861 833 810 999 836 800 ... | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | culper_ring | culper_ring | null | {} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
bifid-v3-0230 | RLGNXP | RLGNXP | EUREKA | bifid | bifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 6 | 6 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0301 | NIISAHPRRYVBNEENTDTTOENEAANLWALQAPHCAETNUTEEEABTARRSHAIMREBETERHESDASCETTAIRNEETTLOEWLHYGPATBTRTIENHSECREDODULUEHHHLESTISIYGHDUHTRERTEFAALTEIALOFUHRHLTIOESNETAEOTWTIDFEM | NIISAHPRRYVBNEENTDTTOENEAANLWALQAPHCAETNUTEEEABTARRSHAIMREBETERHESDASCETTAIRNEETTLOEWLHYGPATBTRTIENHSECREDODULUEHHHLESTISIYGHDUHTRERTEFAALTEIALOFUHRHLTIOESNETAEOTWTIDFEM | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | double_transposition | double_transposition | transposition | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
purple-v2-0209 | YFNOCYHHHWBGRYWFWCCPWUDFBJEWPYFCIQOXMVJDASAWBNUINSNIVYOCKYEEITMYRWXPJBMISJOTDDR | YFNOCYHHHWBGRYWFWCCPWUDFBJEWPYFCIQOXMVJDASAWBNUINSNIVYOCKYEEITMYRWXPJBMISJOTDDR | THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0017379 | ┐· ⌐ K K L ┌· ─ ⌒ ┘· ┌· Γ X r· L └ ┐· ¬ ┌· L ⌐ ┐ ┌ ┘· ─ ┘· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r X X· ¬ X K Γ· K X· K Γ· ┘· ─ | ┐· ⌐ K K L ┌· ─ ⌒ ┘· ┌· Γ X r· L └ ┐· ¬ ┌· L ⌐ ┐ ┌ ┘· ─ ┘· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r X X· ¬ X K Γ· K X· K Γ· ┘· ─ | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION | pigpen | pigpen | null | {} | easy | en | 18 | 18 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
affine-v2-0443 | Q MCP RU CFF TLQPGO TLJUYGL MLJQOT ILQML OTJWPGTLWPWTL KW QP WDWJS TJQCF CPR TJQHYFCTQUP | Q MCP RU CFF TLQPGO TLJUYGL MLJQOT ILQML OTJWPGTLWPWTL KW QP WDWJS TJQCF CPR TJQHYFCTQUP | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | affine | affine | substitution | {
"a": 5,
"b": 2
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0850 | NIVPNTHSLBGMBMMBHIBNHPSVTMTGTHIYXTVLMSMGTMBFESOHHIFAPOIETTNLBULAAPRSTLSXFBPLTFHQXMPB | NIVPNTHSLBGMBMMBHIBNHPSVTMTGTHIYXTVLMSMGTMBFESOHHIFAPOIETTNLBULAAPRSTLSXFBPLTFHQXMPB | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0161 | SKSMRBGUBHNU | SKSMRBGUBHNU | IN GOD WE TRUST | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
m209-v2-0490 | CSSEBNZFMAWLCDNBBPSZAZXPKUPPWZQCAFXBTDBSBMPCKKBBTIZQKKKMYBSJQDDTZGXYTJNUOXPJNAOKAXMJASLMKKZASXRBAJVHYHXZSIYELBSADMHZQHLKUCSZLWAASYRFDYTUAIYIACLAYGMDGDF | CSSEBNZFMAWLCDNBBPSZAZXPKUPPWZQCAFXBTDBSBMPCKKBBTIZQKKKMYBSJQDDTZGXYTJNUOXPJNAOKAXMJASLMKKZASXRBAJVHYHXZSIYELBSADMHZQHLKUCSZLWAASYRFDYTUAIYIACLAYGMDGDF | 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 | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0093 | ALEAIACTAESTETCAESARRUBIGONETRANTGRESWOBELLUMCIVILEINGIPITPERTOTAMROMANAM | ALEAIACTAESTETCAESARRUBIGONETRANTGRESWOBELLUMCIVILEINGIPITPERTOTAMROMANAM | ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
affine-it-040 | SRW XAPQC VAV FWMLWI FCUSW | SRW XAPQC VAV FWMLWI FCUSW | CHI DORME NON PIGLIA PESCI | affine | affine | substitution | {
"type": "keyword",
"value": "5,8"
} | beginner | it | 22 | 26 | cipher_museum | 0.2 | public | null | null |
cda-0020576 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a... | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION | babington | babington | null | {} | hard | en | 226 | 226 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
two-square-v2-0264 | VUQFSKETCPFIRGEGBSFW | VUQFSKETCPFIRGEGBSFW | WISDOM GUARDS THE GATE | two_square | two_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0360 | WFMMZJFRFLMNLWBPZEDOWFMMPYLPAXGLDYSLNBAXTFTAZSWYRQGQNOXCRNXMPRGXRTSKCVVJIFRVMMPWFENVZGSUAOITIJWZGQOWXJYONVNOGMQBKWLPFDGQBLXJDIAENOGIHFSOBVEKYQCO | WFMMZJFRFLMNLWBPZEDOWFMMPYLPAXGLDYSLNBAXTFTAZSWYRQGQNOXCRNXMPRGXRTSKCVVJIFRVMMPWFENVZGSUAOITIJWZGQOWXJYONVNOGMQBKWLPFDGQBLXJDIAENOGIHFSOBVEKYQCO | WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
hill-v2-0097 | FAFWNATSFADVBJOXRPJYEIREUUUGZKDXECZVRSVOGLZVDXZIZWAVPYJIBXYOIHNPPDUGGZPYUUKIFAMVEIEP | FAFWNATSFADVBJOXRPJYEIREUUUGZKDXECZVRSVOGLZVDXZIZWAVPYJIBXYOIHNPPDUGGZPYUUKIFAMVEIEP | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0136 | XMNSJUBUVPRQSLGXWRPXNDNKH | XMNSJUBUVPRQSLGXWRPXNDNKH | THE SHOT HEARD ROUND THE WORLD | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0079 | FUZMIWFKSHZFQSUQCUMTIAEEKJRKUPQYKDPVLYJDTHAHIYOEJCOPBIKAXWABKORDKADVBTTUXMCGCGZ | FUZMIWFKSHZFQSUQCUMTIAEEKJRKUPQYKDPVLYJDTHAHIYOEJCOPBIKAXWABKORDKADVBTTUXMCGCGZ | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
kryptos-143 | EVLCTZNVGMLJZ | EVLCTZNVGMLJZ | THE KING IS DEAD | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "ABSCISSA"
} | advanced | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
scytale-v3-0053 | ITGNAMTIHBHPSMORAETATEOEVGSUHRKXEUALEIHXNNIJBCEXOTDOOHAXTOJNNAVXYFOEHRYXEIHSODFX | ITGNAMTIHBHPSMORAETATEOEVGSUHRKXEUALEIHXNNIJBCEXOTDOOHAXTOJNNAVXYFOEHRYXEIHSODFX | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | scytale | scytale | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
nomenclator-v3-0308 | 09 13 13 01 14 21 05 12 11 01 14 20 16 18 15 16 15 19 05 04 20 08 01 20 23 05 19 08 15 21 12 04 01 03 20 15 14 12 25 01 03 03 15 18 04 09 14 07 63 20 08 01 20 13 01 24 09 13 02 25 23 08 09 03 08 23 05 03 01 14 01 20 60 19 01 13 05 20 09 13 05 23 09 12 12 20 08 01 20 09 20 19 08 15 21 12 04 02 05 03 15 13 05 01 21 14 09... | 09 13 13 01 14 21 05 12 11 01 14 20 16 18 15 16 15 19 05 04 20 08 01 20 23 05 19 08 15 21 12 04 01 03 20 15 14 12 25 01 03 03 15 18 04 09 14 07 63 20 08 01 20 13 01 24 09 13 02 25 23 08 09 03 08 23 05 03 01 14 01 20 60 19 01 13 05 20 09 13 05 23 09 12 12 20 08 01 20 09 20 19 08 15 21 12 04 02 05 03 15 13 05 01 21 14 09... | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 314 | 470 | cipher_museum | 2.0 | public | null | null |
cda-0015605 | ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨a... | ⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w04⟩ ⟨w20⟩ ⟨w22⟩ ⟨w22⟩ ⟨w08⟩ ⟨w26⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨w22⟩ ⟨a29⟩ ⟨w32⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨a... | EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE MESSAGE WAS HIDDEN BUT NOT SECURE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | babington | babington | null | {} | hard | en | 116 | 116 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
double-transposition-v3-0384 | LDTMDVOORTBTLSOIOTALFOESUNHEHOOHILEOOHYTSEGOEETVLEVEALVFTWIIMFRTHETOO | LDTMDVOORTBTLSOIOTALFOESUNHEHOOHILEOOHYTSEGOEETVLEVEALVFTWIIMFRTHETOO | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0321 | BODVEQZNZIHTCKPUHF | BODVEQZNZIHTCKPUHF | GRAVITY EXPLAINS ALL | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0019646 | 44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33 | 44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15 42 43 11 42 15 44 15 11 13 23 15 42 43 33 34 44 35 42 34 44 15 13 44 24 34 33 | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | polybius | polybius | null | {} | hard | en | 94 | 94 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
cda-0012822 | 14.5.4 5.31.6 20.48.11 18.35.14 15.8.14 6.46.3 16.38.3 19.40.10 13.13.11 5.16.14 19.48.1 1.13.12 16.8.10 2.41.14 9.39.1 7.28.14 20.45.3 20.44.13 4.44.6 18.5.11 7.44.14 15.28.9 4.17.4 11.44.8 18.13.12 8.14.2 6.10.3 3.14.9 7.48.15 7.24.10 17.15.12 4.31.3 4.27.10 13.28.8 14.1.8 8.10.8 13.36.6 19.44.10 16.8.15 4.12.2 19.15... | 14.5.4 5.31.6 20.48.11 18.35.14 15.8.14 6.46.3 16.38.3 19.40.10 13.13.11 5.16.14 19.48.1 1.13.12 16.8.10 2.41.14 9.39.1 7.28.14 20.45.3 20.44.13 4.44.6 18.5.11 7.44.14 15.28.9 4.17.4 11.44.8 18.13.12 8.14.2 6.10.3 3.14.9 7.48.15 7.24.10 17.15.12 4.31.3 4.27.10 13.28.8 14.1.8 8.10.8 13.36.6 19.44.10 16.8.15 4.12.2 19.15... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | book_cipher | book_cipher | null | {} | hard | en | 152 | 152 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
slidex-100 | OZPVNTQDFFVOOVKRBQMQSVLKLZKSLKMTMPBAIYUJEQKENEUL | OZPVNTQDFFVOOVKRBQMQSVLKLZKSLKMTMPBAIYUJEQKENEUL | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | slidex | slidex | transposition | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
kryptos-v2-0424 | PUKFQABZHFIWFWQHWONJYQTTLFMDGBXHJCUGKUGCITAKKKJXXRXPHWFDWHZHYFTD | PUKFQABZHFIWFWQHWONJYQTTLFMDGBXHJCUGKUGCITAKKKJXXRXPHWFDWHZHYFTD | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
diana-v2-0481 | SBXEFSYTQBBDCRLQKAPPQQEYQXCMXQIKANUYPYWZEYSGUAZTLIIFEJAGDVJLAZWSANRZOHXWQQEQKYBL | SBXEFSYTQBBDCRLQKAPPQQEYQXCMXQIKANUYPYWZEYSGUAZTLIIFEJAGDVJLAZWSANRZOHXWQQEQKYBL | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0482 | ULBGEVLEFGEOBTEADHDT | ULBGEVLEFGEOBTEADHDT | THE KING DEMANDS FEALTY | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0017372 | 68 17 33 4 48 43 11 27 57 23 78 1 43 17 66 64 64 33 99 67 32 91 70 26 60 50 48 87 14 58 23 33 3 3 76 58 35 72 3 58 22 21 91 66 72 99 2 81 62 52 48 91 48 87 91 49 76 99 27 58 33 61 32 99 64 2 4 48 99 60 2 96 25 72 43 22 21 14 34 22 43 92 50 25 33 4 43 21 23 3 25 27 93 15 30 92 | 68 17 33 4 48 43 11 27 57 23 78 1 43 17 66 64 64 33 99 67 32 91 70 26 60 50 48 87 14 58 23 33 3 3 76 58 35 72 3 58 22 21 91 66 72 99 2 81 62 52 48 91 48 87 91 49 76 99 27 58 33 61 32 99 64 2 4 48 99 60 2 96 25 72 43 22 21 14 34 22 43 92 50 25 33 4 43 21 23 3 25 27 93 15 30 92 | THE MESSAGE WAS HIDDEN BUT NOT SECURE ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS CERTAINLY | homophonic | homophonic | null | {} | hard | en | 96 | 96 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0016790 | CRYPT OGRAP HYREW ARDSP ATIEN CEAND CAREF ULTHX NKINZ | CRYPT OGRAP HYREW ARDSP ATIEN CEAND CAREF ULTHX NKINZ | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | commercial_code | commercial_code | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
fractionated-morse-v2-0492 | NFTXKVXFASIEDSBVAPOWNDTLMIRTTBOSVXFAVLANIKSIKSNIDBLDVBLIBSEKSNEMIGUEJSENFSPBEDUGTVVAEEGPVLNFTAUMDAGTIAIFWPAEFATEGTSAEDANRUFTNBSEEIMIHNENPUEIDUGATEDABLIMJTSVSBXFASPABUGSBTXAEFSEMDAGVEADTAU | NFTXKVXFASIEDSBVAPOWNDTLMIRTTBOSVXFAVLANIKSIKSNIDBLDVBLIBSEKSNEMIGUEJSENFSPBEDUGTVVAEEGPVLNFTAUMDAGTIAIFWPAEFATEGTSAEDANRUFTNBSEEIMIHNENPUEIDUGATEDABLIMJTSVSBXFASPABUGSBTXAEFSEMDAGVEADTAU | 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 | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 187 | 187 | cipher_museum | 2.0 | public | null | null |
cda-0012195 | SUBST ITUTZ ONCIP HERSM APEAZ HLETT ERTOA DIFFE RENTZ ETTEZ INDEZ OFCOI NCIDZ NCEME ASURE SLETT ERFRZ QUENC YDISZ RIBUX IONTH EBIFI DCIPX ERCOX BINEX APOLX BIUSZ QUARE WITHT RANSP OSITZ ONBDZ | SUBST ITUTZ ONCIP HERSM APEAZ HLETT ERTOA DIFFE RENTZ ETTEZ INDEZ OFCOI NCIDZ NCEME ASURE SLETT ERFRZ QUENC YDISZ RIBUX IONTH EBIFI DCIPX ERCOX BINEX APOLX BIUSZ QUARE WITHT RANSP OSITZ ONBDZ | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION | commercial_code | commercial_code | null | {} | hard | en | 160 | 160 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
joseon-yeokhak-v3-0093 | EMPWTLBPMAMBZCBPABWJMAMTNMDQLMVBBPIBITTUMVIZMKZMIBMLMYCITBPIBBPMGIZMMVLWEMLJGBPMQZKZMIBWZEQBPKMZBIQVCVITQMVIJTMZQOPBABPIBIUWVOBPMAMIZMTQNMTQJMZBGIVLBPMXCZACQBWNPIXXQVMAA | EMPWTLBPMAMBZCBPABWJMAMTNMDQLMVBBPIBITTUMVIZMKZMIBMLMYCITBPIBBPMGIZMMVLWEMLJGBPMQZKZMIBWZEQBPKMZBIQVCVITQMVIJTMZQOPBABPIBIUWVOBPMAMIZMTQNMTQJMZBGIVLBPMXCZACQBWNPIXXQVMAA | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "SEOUL"
} | beginner | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
cda-0011339 | TGEESEGOBNTUSSFSTPTSDIANWLGSTSHTARIUCERRFLRKAARCEHENIURTEDIRUERALGAROOHSOSYXLNROUOENNDRVDCACPYIESPEVIRHEPNWUISTEEEEASNLLWEIOX | TGEESEGOBNTUSSFSTPTSDIANWLGSTSHTARIUCERRFLRKAARCEHENIURTEDIRUERALGAROOHSOSYXLNROUOENNDRVDCACPYIESPEVIRHEPNWUISTEEEEASNLLWEIOX | THE VIGENERE CIPHER USES A REPEATING KEYWORD PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING SLOWLY | stager_route | stager_route | null | {
"cols": 5
} | hard | en | 125 | 125 | synthetic_educational | null | null | [] | |
confederate-vigenere-v2-0131 | TIXHXFLDUDCUOSF | TIXHXFLDUDCUOSF | CAVALRY ADVANCES | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
trithemius-v2-0079 | NBVXVJ OZ EASEFRB XD KZX FVJDSZGF QI QFZOMVKEUPG PDU AMM XDXPZCUGUW FXL BASLZTZTI RFW WDNZJDS | NBVXVJ OZ EASEFRB XD KZX FVJDSZGF QI QFZOMVKEUPG PDU AMM XDXPZCUGUW FXL BASLZTZTI RFW WDNZJDS | NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 79 | 93 | cipher_museum | 2.0 | public | null | null |
double-transposition-v2-0448 | IOEASHETEJOQFVESHLNORUMCNTATBTRAATLRYTUPUHSEMHVTOHOANBROOEMBDEVERSEADRB | IOEASHETEJOQFVESHLNORUMCNTATBTRAATLRYTUPUHSEMHVTOHOANBROOEMBDEVERSEADRB | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | double_transposition | double_transposition | transposition | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0303 | HWODRRHELELYHANEFNHSJEBRDMSCNTYREAEGLCHIRTEAEOOCEBVLTEMREIMCHWVIEOTWRYWSRSIRTOILSTOEHSRLTAINTNKNALRNHYTAUDTIIUCDTSEISEETTVOMLOEPDDRSRAESEITAARGALSLROAECECNIOTAAMONCWDBONTO | HWODRRHELELYHANEFNHSJEBRDMSCNTYREAEGLCHIRTEAEOOCEBVLTEMREIMCHWVIEOTWRYWSRSIRTOILSTOEHSRLTAINTNKNALRNHYTAUDTIIUCDTSEISEETTVOMLOEPDDRSRAESEITAARGALSLROAECECNIOTAAMONCWDBONTO | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 171 | 171 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1382 | VORRTOSPKCKHUYVFYGRKWGBNRTOSP | VORRTOSPKCKHUYVFYGRKWGBNRTOSP | TAXATION WITHOUT REPRESENTATION | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
great-cipher-v3-0174 | 100 148 168 179 171 166 138 166 167 129 110 119 113 140 177 160 171 114 116 138 150 117 173 177 155 112 143 153 128 114 152 119 116 128 149 168 136 130 119 179 173 158 173 170 177 150 136 173 157 154 147 140 155 114 135 128 | 100 148 168 179 171 166 138 166 167 129 110 119 113 140 177 160 171 114 116 138 150 117 173 177 155 112 143 153 128 114 152 119 116 128 149 168 136 130 119 179 173 158 173 170 177 150 136 173 157 154 147 140 155 114 135 128 | GALILEO POINTED HIS TELESCOPE AT THE HEAVENS AND CONFIRMED THAT THE EARTH ORBITS THE SUN | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 168 | 223 | cipher_museum | 2.0 | public | null | null |
cda-0021442 | DAIN YQOK EEDY DAII NOTA IINL KAII NCHO ROKE DYRA IINO KEED YCHE DALS HAII NOKE EDYD ARAL OKED YCHO LLKA IINK AIII NKAI IINY KCHE OLSH EOLQ OKEE DYRA IINC HEOL DARA L | DAIN YQOK EEDY DAII NOTA IINL KAII NCHO ROKE DYRA IINO KEED YCHE DALS HAII NOKE EDYD ARAL OKED YCHO LLKA IINK AIII NKAI IINY KCHE OLSH EOLQ OKEE DYRA IINC HEOL DARA L | FAIL CLOSED IS A POSTURE NOT A SLOGAN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | voynich_render | voynich_render | null | {} | hard | en | 133 | 133 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
columnar-transposition-v3-0309 | NVNTATTEOOCIDRUDYVOENHLPDBPSIEENSWNZWCILNEAERAITITAPNRFTSEEIEYIEFNAALOIORTAAOFAAOOEETCYNSSHORGOPTFEGAHLBEFSESNTETUAOHDRPULKINTOINXETLLTILHNHRCNETKESEENIHFTTPDHOEHTA | NVNTATTEOOCIDRUDYVOENHLPDBPSIEENSWNZWCILNEAERAITITAPNRFTSEEIEYIEFNAALOIORTAAOFAAOOEETCYNSSHORGOPTFEGAHLBEFSESNTETUAOHDRPULKINTOINXETLLTILHNHRCNETKESEENIHFTTPDHOEHTA | 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 | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0440 | DUTZDYPUGEDEITCUTCIJZQHDZXSWPHFFNFEGATFNNTWVTMDXFUKSCJFFCHZFKYTFIUHCJDWTKFJYZ | DUTZDYPUGEDEITCUTCIJZQHDZXSWPHFFNFEGATFNNTWVTMDXFUKSCJFFCHZFKYTFIUHCJDWTKFJYZ | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0131 | DFVLWCDGBQLDQSU | DFVLWCDGBQLDQSU | CAVALRY ADVANCES | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
bazeries-v3-0034 | ODNHKNDPJKHKCPTPN | ODNHKNDPJKHKCPTPN | OLD IRONSIDES HOLDS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0014775 | CHEO LCHE OLCH OROT AINO KEDY CHOL DAII NORO RQOK EEDY DAIN YYTE DYCH EDYY PCHO LYPC HOLR CHEO LCHO RCHE OLOT OLRC HEOL QOKE DYRA IINC TAII NCTA IINQ OKEE DYKA IIIN OTOL RAII NQOK EEDY CHOR QOKE EDYS HAII NSHO RYKC HEOL YTED YDAR ALLK AIIN CHED YCHO LYTA IINS HEOL OXED QOKA L | CHEO LCHE OLCH OROT AINO KEDY CHOL DAII NORO RQOK EEDY DAIN YYTE DYCH EDYY PCHO LYPC HOLR CHEO LCHO RCHE OLOT OLRC HEOL QOKE DYRA IINC TAII NCTA IINQ OKEE DYKA IIIN OTOL RAII NQOK EEDY CHOR QOKE EDYS HAII NSHO RYKC HEOL YTED YDAR ALLK AIIN CHED YCHO LYTA IINS HEOL OXED QOKA L | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS A STRONG CLAIM NEEDS STRONG EVIDENCE | voynich_render | voynich_render | null | {} | hard | en | 221 | 221 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
trifid-v2-0092 | WWUKLQJPYOJWFTVSKIRKTGIEVPDJPIOXPFWIZNEBLUGCYAEAVCTJTQ+AMGSNA+OK+SILMSYJF+IMP+ | WWUKLQJPYOJWFTVSKIRKTGIEVPDJPIOXPFWIZNEBLUGCYAEAVCTJTQ+AMGSNA+OK+SILMSYJF+IMP+ | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
diana-v3-0096 | XPUPEJEHJVTJLWAEAMAMBFTNYYGVATCAWWYRWWUZARGPFCMREWASNFDGVGBWRNUGYNJNRSNGOENPLVDZPPAWNACYRLLWWUEEJNUCRYJMAODNMMWCQCNJNNWDEIMCYREZTNLKNIZMNPNTNDLDQWYPQYNYUCBRYACVCDZHV | XPUPEJEHJVTJLWAEAMAMBFTNYYGVATCAWWYRWWUZARGPFCMREWASNFDGVGBWRNUGYNJNRSNGOENPLVDZPPAWNACYRLLWWUEEJNUCRYJMAODNMMWCQCNJNNWDEIMCYREZTNLKNIZMNPNTNDLDQWYPQYNYUCBRYACVCDZHV | 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 | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
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