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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
purple-131 | IJEBTSRUQIZIF | IJEBTSRUQIZIF | CHANGE OF PLANS | purple | purple | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 13 | 13 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0185 | LFUKJQRBFPLHRBRDUAIPVXFAPVXADQRRIUHGAQWAVVHGLIQPARBRFLBQQRFUGAHBPBWMPRBKLFUTPABRATWLHGLQQAR | LFUKJQRBFPLHRBRDUAIPVXFAPVXADQRRIUHGAQWAVVHGLIQPARBRFLBQQRFUGAHBPBWMPRBKLFUTPABRATWLHGLQQAR | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 91 | 91 | cipher_museum | 2.0 | public | null | null |
null-cipher-v3-0056 | help one their outa this help make over raea aeia word ioua this that her nsra | help one their outa this help make over raea aeia word ioua this that her nsra | PER ASPERA AD ASTRA | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "last"
} | advanced | en | 63 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0018109 | ENTR XPYM EZSU REZU NCER TAIN TYIN AXIS TRXB UTIO NANA FFIN ECIP HEZA PPLX ESAL INEA RXUN CTZO NTOZ ACHL ETTE RXSC YTAL EISA RODU XEDB YXPA RTZN STOX NCRY PTME SSAG ESGO ODED UCAT XONA LTOO LSXX PLAI NTHE IRLI MITS AXA | ENTR XPYM EZSU REZU NCER TAIN TYIN AXIS TRXB UTIO NANA FFIN ECIP HEZA PPLX ESAL INEA RXUN CTZO NTOZ ACHL ETTE RXSC YTAL EISA RODU XEDB YXPA RTZN STOX NCRY PTME SSAG ESGO ODED UCAT XONA LTOO LSXX PLAI NTHE IRLI MITS AXA | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | commercial_code | commercial_code | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
trifid-v3-0390 | UFRBTFEIIOGHZNRXG+AKPTFKNACQXAIKRVSFFGSNULKLKNARHUQ+CBZJRQSGHFREUDKRUSLKPLQC | UFRBTFEIIOGHZNRXG+AKPTFKNACQXAIKRVSFFGSNULKLKNARHUQ+CBZJRQSGHFREUDKRUSLKPLQC | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
m209-v2-0499 | CYKWKERLQAOJVIRDESBFPXKWZPBYPYKXATRBBYUBXBQAFPWKWALIDKVMJXRXYZBAMCTWSIBLORZQLHOHCKADETUAAIOQRMQYYRVBYMEKBQPEPBJCPQLKUIJKYOPYQMLXBIQVLYBKLDJAMOXERCMVAD | CYKWKERLQAOJVIRDESBFPXKWZPBYPYKXATRBBYUBXBQAFPWKWALIDKVMJXRXYZBAMCTWSIBLORZQLHOHCKADETUAAIOQRMQYYRVBYMEKBQPEPBJCPQLKUIJKYOPYQMLXBIQVLYBKLDJAMOXERCMVAD | AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA | m209 | m209 | machine | {
"type": "seed",
"value": "VICTORY"
} | expert | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0369 | DXVAADADAFFVAFGFDDAXXAADVDDDVFDFGFDDFAVDDDXAFAFAFDFAFDFDVDDAVVDDAAGGGDGXGAAAAGAXAAXAAAVAXDGAFDFADAFAFGXDFDXDVDGAXDFFVDXGXGAGGXVADXAVAVADGFAFDF | DXVAADADAFFVAFGFDDAXXAADVDDDVFDFGFDDFAVDDDXAFAFAFDFAFDFDVDDAVVDDAAGGGDGXGAAAAGAXAAXAAAVAXDGAFDFADAFAFGXDFDXDVDGAXDFFVDXGXGAGGXVADXAVAVADGFAFDF | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 142 | 142 | cipher_museum | 2.0 | public | null | null |
purple-047 | NMTYVPVXVBTEGDUQRCKFJHMWDZAWAIVWGIHWYMGZWPDJWUNZQ | NMTYVPVXVBTEGDUQRCKFJHMWDZAWAIVWGIHWYMGZWPDJWUNZQ | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | purple | purple | machine | {
"type": "seed",
"value": "PURPLE"
} | expert | en | 49 | 49 | cipher_museum | 0.2 | public | null | null |
kl7-v2-0303 | ODKOXFIXOVVERFYCMAKHEQQLFMCWCHHTGFTQIVUPOVBLPKUYNYJTFKOVVRNKRFUQTFEGWGXHIYKQZIA | ODKOXFIXOVVERFYCMAKHEQQLFMCWCHHTGFTQIVUPOVBLPKUYNYJTFKOVVRNKRFUQTFEGWGXHIYKQZIA | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0194 | 8603 7654 7467 7256 7720 8437 8603 7654 7401 7194 9003 8206 7194 8437 7194 7401 8100 8930 8528 7654 8100 8854 8528 8603 7654 7194 8603 7338 8100 7911 7911 7720 8528 7720 8100 8038 8528 7720 8038 7654 7194 8528 7654 7529 8685 8038 7338 8603 7720 8100 8038 8528 8100 7338 7338 8685 8437 7529 7194 8437 8528 8100 8100 8038 ... | 8603 7654 7467 7256 7720 8437 8603 7654 7401 7194 9003 8206 7194 8437 7194 7401 8100 8930 8528 7654 8100 8854 8528 8603 7654 7194 8603 7338 8100 7911 7911 7720 8528 7720 8100 8038 8528 7720 8038 7654 7194 8528 7654 7529 8685 8038 7338 8603 7720 8100 8038 8528 8100 7338 7338 8685 8437 7529 7194 8437 8528 8100 8100 8038 ... | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "27182"
} | expert | en | 312 | 389 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0349 | CLFLYNBBPMALEEVMNDIDCCDAJEUWXDYDPMSXYMZXRDQKJLEQNUUXRCJKAAQERTBJXFXAGVYKNPCENAXWAISE | CLFLYNBBPMALEEVMNDIDCCDAJEUWXDYDPMSXYMZXRDQKJLEQNUUXRCJKAAQERTBJXFXAGVYKNPCENAXWAISE | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
copiale-v2-0306 | D3 J3 G0 R9 I2 H0 H9 Q1 U8 Z2 I2 K8 C1 U6 F9 F1 J8 G3 N2 V6 H3 C5 C7 O7 I4 B9 Y2 P6 P5 P5 D3 W4 D6 K6 W5 O2 F1 A5 Y8 Q6 W5 U1 J6 W4 K8 D6 I0 C7 A1 M1 N1 K8 D8 B8 A3 M1 U8 S9 M4 V3 A3 C7 J2 L3 Z2 V3 G3 F9 W2 A3 U0 V4 S9 Q6 D4 | D3 J3 G0 R9 I2 H0 H9 Q1 U8 Z2 I2 K8 C1 U6 F9 F1 J8 G3 N2 V6 H3 C5 C7 O7 I4 B9 Y2 P6 P5 P5 D3 W4 D6 K6 W5 O2 F1 A5 Y8 Q6 W5 U1 J6 W4 K8 D6 I0 C7 A1 M1 N1 K8 D8 B8 A3 M1 U8 S9 M4 V3 A3 C7 J2 L3 Z2 V3 G3 F9 W2 A3 U0 V4 S9 Q6 D4 | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | copiale | copiale | substitution | {
"type": "keyword",
"value": "MYSTERY"
} | advanced | en | 150 | 224 | cipher_museum | 2.0 | public | null | null |
voynich-render-033 | gcd irfu gckrh jd covd gi sdoq kx sdoq kgxdfs | gcd irfu gckrh jd covd gi sdoq kx sdoq kgxdfs | THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 36 | 45 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v3-0012 | CEUS VUJT | CEUS VUJT | DEUS VULT | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PALACE"
} | beginner | en | 8 | 9 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0667 | SBIOICNSUSTUPEADTTRIISBSU | SBIOICNSUSTUPEADTTRIISBSU | SICUT PATRIBUS SIT DEUS NOBIS | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 25 | 25 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v3-0161 | YHWVSNVVBRYNQEFCMBQWALJWFBGBMVFTMBGMNXXBKHPHJKGCLWDLHSECJNKRRVRTBWBNNRA | YHWVSNVVBRYNQEFCMBQWALJWFBGBMVFTMBGMNXXBKHPHJKGCLWDLHSECJNKRRVRTBWBNNRA | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
kl7-055 | URMXXVBSPVPTMOPNQPGFKVRHJLFZFPACAFZZLAHUCPMWRNLQBQVDRYZKMRUX | URMXXVBSPVPTMOPNQPGFKVRHJLFZFPACAFZZLAHUCPMWRNLQBQVDRYZKMRUX | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | kl7 | kl7 | machine | {
"type": "seed",
"value": "TSEC"
} | expert | en | 60 | 60 | cipher_museum | 0.2 | public | null | null |
trifid-v3-0345 | SHYOPFFJLIHE | SHYOPFFJLIHE | YANKEE DOODLE | trifid | trifid | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
autokey-v2-0660 | PZAXABNQIJGGFNYGRWW | PZAXABNQIJGGFNYGRWW | WISDOM GUARDS THE GATE | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "TRIUMPH"
} | intermediate | en | 19 | 19 | cipher_museum | 2.0 | public | null | null |
diana-162 | QNECLFMNCCXVKMJKAEBEAYWROQXZARYNUEYRESQXRLQEJJQGAZLDSTPJYAMTBWYZ | QNECLFMNCCXVKMJKAEBEAYWROQXZARYNUEYRESQXRLQEJJQGAZLDSTPJYAMTBWYZ | CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 64 | 64 | cipher_museum | 0.2 | public | null | null |
nomenclator-v2-0235 | 23 05 20 08 05 18 05 06 15 18 05 60 18 05 16 18 05 19 05 14 20 01 20 09 22 05 19 62 60 21 14 09 20 05 04 19 20 01 20 05 19 62 01 13 05 18 09 03 01 64 07 05 14 05 18 01 12 03 15 14 07 18 05 19 19 01 19 19 05 13 02 12 05 04 01 16 16 05 01 12 09 14 07 63 60 19 21 16 18 05 13 05 10 21 04 07 05 62 60 23 15 18 12 04 06 15 18... | 23 05 20 08 05 18 05 06 15 18 05 60 18 05 16 18 05 19 05 14 20 01 20 09 22 05 19 62 60 21 14 09 20 05 04 19 20 01 20 05 19 62 01 13 05 18 09 03 01 64 07 05 14 05 18 01 12 03 15 14 07 18 05 19 19 01 19 19 05 13 02 12 05 04 01 16 16 05 01 12 09 14 07 63 60 19 21 16 18 05 13 05 10 21 04 07 05 62 60 23 15 18 12 04 06 15 18... | 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 | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 296 | 443 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0400 | JVIWIFKZLYGXUHLB | JVIWIFKZLYGXUHLB | DIVIDE AND CONQUER | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SANBORN"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0002996 | ATSOREYUELPFTTHNSRWSNSEIROOIQUOSSANCAOWNUSRQOLDANLIGAEDUULETSSTTRSPARONIPHSHETORCWTOAORECWLEEIVNRUEFIOYSTNEXELAOPKBOODRXNDSUHEIPOEIX | ATSOREYUELPFTTHNSRWSNSEIROOIQUOSSANCAOWNUSRQOLDANLIGAEDUULETSSTTRSPARONIPHSHETORCWTOAORECWLEEIVNRUEFIOYSTNEXELAOPKBOODRXNDSUHEIPOEIX | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | scytale | scytale | null | {
"cols": 11
} | hard | en | 132 | 132 | synthetic_educational | null | null | [
"column_count_search",
"anagram_recovery"
] | Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter. |
cda-0012924 | 9.1.2 6.2.8 11.4.6 14.3.4 19.5.4 13.1.8 18.4.7 18.6.1 8.1.8 7.2.5 20.1.1 16.3.1 10.6.1 17.6.9 19.6.10 19.2.6 18.2.4 4.2.4 19.2.2 16.4.6 18.4.9 10.2.1 20.3.6 18.3.2 15.4.3 16.6.4 7.5.8 15.3.9 20.6.7 6.6.5 5.1.3 10.6.9 11.5.8 14.1.9 6.6.3 4.3.10 17.5.9 1.3.4 2.4.5 12.5.9 3.4.1 9.6.5 17.6.4 8.3.6 13.6.7 11.3.10 14.6.2 17.... | 9.1.2 6.2.8 11.4.6 14.3.4 19.5.4 13.1.8 18.4.7 18.6.1 8.1.8 7.2.5 20.1.1 16.3.1 10.6.1 17.6.9 19.6.10 19.2.6 18.2.4 4.2.4 19.2.2 16.4.6 18.4.9 10.2.1 20.3.6 18.3.2 15.4.3 16.6.4 7.5.8 15.3.9 20.6.7 6.6.5 5.1.3 10.6.9 11.5.8 14.1.9 6.6.3 4.3.10 17.5.9 1.3.4 2.4.5 12.5.9 3.4.1 9.6.5 17.6.4 8.3.6 13.6.7 11.3.10 14.6.2 17.... | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | arnold_andre | arnold_andre | null | {} | hard | en | 139 | 139 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
vic-v2-0238 | 91588486584324378084 | 91588486584324378084 | STORM THE BREACH | vic | vic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0467 | GADAADAFGFFFVFDGAFGFAAAFDXFFXFDDVVGVAVFDDDDGVVDDFADAAFAFFAAADFFAAFADFAAAVVGGVFADVFFXFFGDGAXFVDGVVDFVVGVVVDGXDDVXVVDAGXVXGFAGDAVFGDDAAGFGGDDDFGGA | GADAADAFGFFFVFDGAFGFAAAFDXFFXFDDVVGVAVFDDDDGVVDDFADAAFAFFAAADFFAAFADFAAAVVGGVFADVFFXFFGDGAXFVDGVVDFVVGVVVDGXDDVXVVDAGXVXGFAGDAVFGDDAAGFGGDDDFGGA | TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER | adfgvx | adfgvx | fractionation | {
"polybius": "KAISER",
"columnar": "BERLIN"
} | advanced | en | 144 | 144 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0309 | QNBYLHAFQXHHKTSX | QNBYLHAFQXHHKTSX | THE WIND IS WITH US | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
kl7-122 | XTLXNONBUH | XTLXNONBUH | FLEE AT ONCE | kl7 | kl7 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0210 | 55 57 39 28 50 63 50 54 56 59 49 37 87 80 43 57 55 26 66 67 47 55 38 35 28 70 56 76 45 50 36 45 67 57 59 45 60 37 59 70 56 70 44 26 26 55 57 65 46 73 56 46 35 58 56 48 73 30 39 28 40 95 47 52 48 47 28 48 94 57 54 30 35 26 36 53 49 46 37 65 55 37 63 80 | 55 57 39 28 50 63 50 54 56 59 49 37 87 80 43 57 55 26 66 67 47 55 38 35 28 70 56 76 45 50 36 45 67 57 59 45 60 37 59 70 56 70 44 26 26 55 57 65 46 73 56 46 35 58 56 48 73 30 39 28 40 95 47 52 48 47 28 48 94 57 54 30 35 26 36 53 49 46 37 65 55 37 63 80 | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 168 | 251 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0412 | OPIXKETYOUCAFTDLRCWQQCBPTDQBYNOTWHATWQQCBPTDQBZBANRMBSGWOUTOAEXBFTOIXRZQ | OPIXKETYOUCAFTDLRCWQQCBPTDQBYNOTWHATWQQCBPTDQBZBANRMBSGWOUTOAEXBFTOIXRZQ | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
kryptos-v3-0186 | KFFKMVBWGAQBYQXATSVYCHBTNQVEUVFKXTGWEKUBKBOZTSUJHMMDYTKADFQJMJJSIBLSTIUUTZMVGYOTHKKBY | KFFKMVBWGAQBYQXATSVYCHBTNQVEUVFKXTGWEKUBKBOZTSUJHMMDYTKADFQJMJJSIBLSTIUUTZMVGYOTHKKBY | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 85 | 85 | cipher_museum | 2.0 | public | null | null |
copiale-108 | F0 O3 U7 U4 K9 S1 E2 A3 Y8 R9 L9 N0 D2 K1 A3 J4 V7 O6 E7 B4 O3 G3 E2 E8 K1 S8 J4 M8 P7 B8 P3 G2 K1 K1 Q2 Y6 U5 P3 A9 D9 H7 L9 I3 O3 E7 A0 L2 I3 P0 C6 V7 A4 W2 Y6 X1 S7 | F0 O3 U7 U4 K9 S1 E2 A3 Y8 R9 L9 N0 D2 K1 A3 J4 V7 O6 E7 B4 O3 G3 E2 E8 K1 S8 J4 M8 P7 B8 P3 G2 K1 K1 Q2 Y6 U5 P3 A9 D9 H7 L9 I3 O3 E7 A0 L2 I3 P0 C6 V7 A4 W2 Y6 X1 S7 | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | copiale | copiale | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 112 | 167 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v2-0985 | AIMCUIBAUIKPZJIZSMEMPWMFWBSUQAAVZIMUULKAWBBEPLTIPLHXIKBZJVUBYVKVQVOAHZVNTQVKPVJY | AIMCUIBAUIKPZJIZSMEMPWMFWBSUQAAVZIMUULKAWBBEPLTIPLHXIKBZJVUBYVKVQVOAHZVNTQVKPVJY | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "71828"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0459 | TARGFTACQUIRED | TARGFTACQUIRED | TARGET ACQUIRED | lorenz | lorenz | machine | {
"type": "seed",
"value": "STURGEON"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0014885 | cause raids yield posts three order guide radio again place house young roads enemy watch among radio depth swift parts along turns input early night | cause raids yield posts three order guide radio again place house young roads enemy watch among radio depth swift parts along turns input early night | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE | 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. |
adfgx-v2-0104 | FDXDFXXFXDGDDGFGGAXAGGGAGGAAADDDAGGXDXGGDFXDDGXDDGFAGAAGFGGGGDDGFFFFFFFFAAXFFGADFGGDGFGFAAAGGGAAXGXDAGDGXDXAXGDXXGGXDDGGGADFXGDDDDGAAAXXDFDGDDXGAADXXGDGAADGGGFDAGAAXGFFFDAAXDDADGAAFFDAFAAADGFGGFAFAAFDDGFDFDGGFFGAAFFAAFDGFAAAFAFGFGGAFAAAGAXFDGXGDDXFXFXXXXGFGGGXDXXXXGAGGXGXXXXFAGGFGXXXAF | FDXDFXXFXDGDDGFGGAXAGGGAGGAAADDDAGGXDXGGDFXDDGXDDGFAGAAGFGGGGDDGFFFFFFFFAAXFFGADFGGDGFGFAAAGGGAAXGXDAGDGXDXAXGDXXGGXDDGGGADFXGDDDDGAAAXXDFDGDDXGAADXXGDGAADGGGFDAGAAXGFFFDAAXDDADGAAFFDAFAAADGFGGFAFAAFDDGFDFDGGFFGAAFFAAFDGFAAAFAFGFGGAFAAAGAXFDGXGDDXFXFXXXXGFGGGXDXXXXGAGGXGXXXXFAGGFGXXXAF | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 286 | 286 | cipher_museum | 2.0 | public | null | null |
polybius-022 | 11 52 11 24 44 21 45 42 44 23 15 42 34 42 14 15 42 43 | 11 52 11 24 44 21 45 42 44 23 15 42 34 42 14 15 42 43 | AWAIT FURTHER ORDERS | polybius | polybius | substitution | {
"type": "none",
"value": null
} | beginner | en | 36 | 53 | cipher_museum | 0.2 | public | null | null |
solitaire-v3-0119 | XMNSKKORSTGVOP | XMNSKKORSTGVOP | THE SIEGE BEGINS | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0020233 | XUXSWUGPGIHBVVUIZDMEXSICHJGOIXAKJLISYPQHUXETEGEMEMTAIESTMRTZRULMROGLRNFMUHDMTVXNCEIPHETXBQRCWNYIEYFUEXXWIFAGLQEQJMMEWUMXKIEIGAVTDSDWQMUIIUCCJIINSMFMUWXEBEGKUXPFRJWHWFJLOGCE | XUXSWUGPGIHBVVUIZDMEXSICHJGOIXAKJLISYPQHUXETEGEMEMTAIESTMRTZRULMROGLRNFMUHDMTVXNCEIPHETXBQRCWNYIEYFUEXXWIFAGLQEQJMMEWUMXKIEIGAVTDSDWQMUIIUCCJIINSMFMUWXEBEGKUXPFRJWHWFJLOGCE | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE MESSAGE WAS HIDDEN BUT NOT SECURE THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | running_key | running_key | null | {} | hard | en | 172 | 172 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
cda-0018916 | 25 78 76 50 36 32 27 58 33 35 59 63 17 33 58 33 70 21 34 41 63 25 11 62 49 24 3 27 63 88 50 78 66 91 17 68 78 45 63 45 39 41 67 66 32 11 82 96 63 94 1 67 23 25 43 91 88 48 22 99 49 24 40 82 4 82 87 94 59 70 23 14 43 48 64 3 26 60 72 58 11 91 76 35 58 23 2 25 22 1 63 45 39 92 82 30 63 88 2 67 48 25 49 35 35 93 63 17 48 ... | 25 78 76 50 36 32 27 58 33 35 59 63 17 33 58 33 70 21 34 41 63 25 11 62 49 24 3 27 63 88 50 78 66 91 17 68 78 45 63 45 39 41 67 66 32 11 82 96 63 94 1 67 23 25 43 91 88 48 22 99 49 24 40 82 4 82 87 94 59 70 23 14 43 48 64 3 26 60 72 58 11 91 76 35 58 23 2 25 22 1 63 45 39 92 82 30 63 88 2 67 48 25 49 35 35 93 63 17 48 ... | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | homophonic | homophonic | null | {} | hard | en | 110 | 110 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
gronsfeld-v2-0698 | KTLYXNLHXJCPLVZAMPTMNIYZKXZANJHAOGQUALKLXLHTIKTLYXNLHXJCPLVJJKLSFTMYYFVWUMZB | KTLYXNLHXJCPLVZAMPTMNIYZKXZANJHAOGQUALKLXLHTIKTLYXNLHXJCPLVJJKLSFTMYYFVWUMZB | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0052 | DONOTGOGENTLEINTOTHATGOOHNIGHTOLCAGESDOULDBURNANDRAVEETCLOSEOFDAYRAGERAGE | DONOTGOGENTLEINTOTHATGOOHNIGHTOLCAGESDOULDBURNANDRAVEETCLOSEOFDAYRAGERAGE | DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
fialka-145 | DZNWBEDRWMSUFMC | DZNWBEDRWMSUFMC | SILENCE IS GOLDEN | fialka | fialka | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
lorenz-038 | THEREPORTSOFMYDEATHHAVEBEENGREATLYEXAGGERATED | THEREPORTSOFMYDEATHHAVEBEENGREATLYEXAGGERATED | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | lorenz | lorenz | machine | {
"type": "seed",
"value": "LORENZ"
} | expert | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
m209-v2-0149 | SPQNYRUPLIVPTJYTNL | SPQNYRUPLIVPTJYTNL | LOOSE LIPS SINK SHIPS | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0005972 | GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG | GUR XNFVFXV RKNZVANGVBA SVAQF ERCRNGRQ GEVTENZF VA PVCUREGRKG | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 54 | 54 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
venona-pad-reuse-v2-0285 | F4JQL5OLVLXL4 | F4JQL5OLVLXL4 | ANNUIT COEPTIS | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "FREEDOM"
} | expert | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
commercial-code-007 | ZUZUZ BAZUZ CAZUZ SAZUZ WAZUZ ZAZUZ XUZUZ ZUZUZ QAZUZ LAZUZ XAZUZ XAZUZ LAZUZ SAZUZ RAZUZ XUZUZ HOBAB | ZUZUZ BAZUZ CAZUZ SAZUZ WAZUZ ZAZUZ XUZUZ ZUZUZ QAZUZ LAZUZ XAZUZ XAZUZ LAZUZ SAZUZ RAZUZ XUZUZ HOBAB | ABORT MISSION NOW | commercial_code | commercial_code | codebook | {
"type": "none",
"value": null
} | expert | en | 85 | 101 | cipher_museum | 0.2 | public | null | null |
affine-v2-1023 | OXKLD OBP EIDZPLOE | OXKLD OBP EIDZPLOE | ABORT AND WITHDRAW | affine | affine | substitution | {
"a": 9,
"b": 14
} | beginner | en | 16 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0008516 | HUR WARSL BS QBWNQVQSAQS WF N HFSTIY PYHS O GGEBAU QZOVZ ASSRF FGEBNU NIWQSNQN BCRA ECHEQR GACYF OYYAK VARRCSBRRAG ISFVSWPOFWBA CBYKOYCVNPSHVP QVCVSEF HFS AIYGWCYS OYCVNPSH FUWSGE | HUR WARSL BS QBWNQVQSAQS WF N HFSTIY PYHS O GGEBAU QZOVZ ASSRF FGEBNU NIWQSNQN BCRA ECHEQR GACYF OYYAK VARRCSBRRAG ISFVSWPOFWBA CBYKOYCVNPSHVP QVCVSEF HFS AIYGWCYS OYCVNPSH FUWSGE | THE INDEX OF COINCIDENCE IS A USEFUL CLUE A STRONG CLAIM NEEDS STRONG EVIDENCE OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | porta | porta | null | {
"key": "LIBRARY"
} | hard | en | 154 | 154 | synthetic_educational | null | null | [] | |
noisy-caesar-telegraph-026 | OYRGUPYRL CNEX PBQROERNXREF FUBEGR Q GUR JNE OL CREUNCF GJB LRNEF | OYRGUPYRL CNEX PBQROERNXREF FUBEGR Q GUR JNE OL CREUNCF GJB LRNEF | BLETCHLEY PARK CODEBREAKERS SHORTENED THE WAR BY PERHAPS TWO YEARS | caesar | caesar | substitution | {
"type": "shift",
"value": 13
} | beginner | en | 55 | 65 | cipher_museum | 0.2 | public | null | null |
diana-054 | KBWJNZWCDNPMIUTZQCVHZWXJIVCNPMJRYFLWEJNYBUJKSQCPPEVPTHJZIHLAME | KBWJNZWCDNPMIUTZQCVHZWXJIVCNPMJRYFLWEJNYBUJKSQCPPEVPTHJZIHLAME | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "DIANA"
} | intermediate | en | 62 | 62 | cipher_museum | 0.2 | public | null | null |
lorenz-v3-0208 | THESENATEDECREES | THESENATEDECREES | THE SENATE DECREES | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0778 | RBNTNBNHSHIVTQKL | RBNTNBNHSHIVTQKL | DIVIDE AND CONQUER | bazeries | bazeries | transposition | {
"type": "integer",
"value": 71
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0020611 | 12.28.7 9.48.5 15.19.12 17.8.6 3.47.8 18.21.10 10.44.10 3.46.5 7.41.7 11.50.4 5.48.2 13.39.4 14.44.1 10.14.15 20.40.6 14.50.11 9.33.15 5.44.9 19.47.12 15.36.15 17.7.7 5.19.15 13.49.5 6.4.15 20.50.11 18.30.8 3.32.6 20.14.1 10.8.10 11.32.5 15.28.1 14.5.1 12.17.13 8.21.2 19.45.12 7.1.10 18.11.2 9.45.10 5.6.12 12.46.6 19.1... | 12.28.7 9.48.5 15.19.12 17.8.6 3.47.8 18.21.10 10.44.10 3.46.5 7.41.7 11.50.4 5.48.2 13.39.4 14.44.1 10.14.15 20.40.6 14.50.11 9.33.15 5.44.9 19.47.12 15.36.15 17.7.7 5.19.15 13.49.5 6.4.15 20.50.11 18.30.8 3.32.6 20.14.1 10.8.10 11.32.5 15.28.1 14.5.1 12.17.13 8.21.2 19.45.12 7.1.10 18.11.2 9.45.10 5.6.12 12.46.6 19.1... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | book_cipher | book_cipher | null | {} | hard | en | 141 | 141 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
enigma-v3-0202 | RNWENOCMIIFGDUJQVNDBQPBEZUREVKPXQCNKLTOSCJUHKRGEYXLAVDHUPPPGMLVVVDXPELZNNXUGTSKNJBKKFVNOJZSGWFPLVVGXACCJKCKBLDKBYVHRHXYVPZRWFLWZWDDGBOHAEHWTZAYUNJTGSTLREUBVYTTV | RNWENOCMIIFGDUJQVNDBQPBEZUREVKPXQCNKLTOSCJUHKRGEYXLAVDHUPPPGMLVVVDXPELZNNXUGTSKNJBKKFVNOJZSGWFPLVVGXACCJKCKBLDKBYVHRHXYVPZRWFLWZWDDGBOHAEHWTZAYUNJTGSTLREUBVYTTV | FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DEF"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
cda-0014783 | r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ ⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ ⌐ ┌ ┘· Γ L └ r ⌐ ─ r └ ⌐ X X Γ· ⌐· ⌒· ┐· ⌐ K K L ┌· ─ X ¬ X· K Γ· K r ⌐ ─ ⌐ └ X ┘· ¬ L ⌒ ┌· ┘· ─ ¬· K r· L ⌐· ┌· Γ· L Γ ┌ ⌐ ─ K L X K X· X L X K r· L... | r· Γ· X K ┘· ┌· Γ· r ⌐ └ r Γ· ┐· r· L ┌· X ⌐ ┌· L K L ⌐ r r· L ┌· X ─ ┘· K ┐· ┌· ┘· K L r K Γ· ┘· ─ ⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ ⌐ ┌ ┘· Γ L └ r ⌐ ─ r └ ⌐ X X Γ· ⌐· ⌒· ┐· ⌐ K K L ┌· ─ X ¬ X· K Γ· K r ⌐ ─ ⌐ └ X ┘· ¬ L ⌒ ┌· ┘· ─ ¬· K r· L ⌐· ┌· Γ· L Γ ┌ ⌐ ─ K L X K X· X L X K r· L... | HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION FAIL CLOSED IS A POSTURE NOT A SLOGAN A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | pigpen | pigpen | null | {} | medium | en | 76 | 76 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0012389 | NWZOG LJJEK CGRSW BBSLJ EIVPB ZNMVI VTCGB BUDSX OJMXJ WMXQE WLLDL PPDUI JNLLJ PIGQO UEW | NWZOG LJJEK CGRSW BBSLJ EIVPB ZNMVI VTCGB BUDSX OJMXJ WMXQE WLLDL PPDUI JNLLJ PIGQO UEW | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | running_key | running_key | null | {} | medium | en | 73 | 73 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
confederate-vigenere-v2-0464 | LASXEOIDVAMSFXBIYOKKSCIWTPOKXEHIJCPDLHRRXARXTFXHUIGEJWWGUGLKFLGAZSAINENTHASEOAY | LASXEOIDVAMSFXBIYOKKSCIWTPOKXEHIJCPDLHRRXARXTFXHUIGEJWWGUGLKFLGAZSAINENTHASEOAY | THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "STONEWALL"
} | intermediate | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
cda-0004370 | AICAONSRFRNAIAHTXSACCRHIYDUEDEUEEGRRETPVNNIVGRREUAPNBTETXEARCRMKIACRAABWEEERRNQDEISTAREEELPIETSSCYIPCIECIDLMRTENROEEIOPREDSEIPAHRWYRL | AICAONSRFRNAIAHTXSACCRHIYDUEDEUEEGRRETPVNNIVGRREUAPNBTETXEARCRMKIACRAABWEEERRNQDEISTAREEELPIETSSCYIPCIECIDLMRTENROEEIOPREDSEIPAHRWYRL | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | double_transposition | double_transposition | null | {
"key1": "LIBERTY",
"key2": "PATTERN"
} | hard | en | 133 | 133 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
caesar-v2-0741 | CQN JAC XO FJA RB XO ERCJU RVYXACJWLN CX CQN BCJCN RC RB J VJCCNA XO URON JWM MNJCQ J AXJM NRCQNA CX BJONCH XA CX ADRW QNWLN RC RB J BDKSNLC XO RWZDRAH FQRLQ LJW XW WX JLLXDWC KN WNPUNLCNM | CQN JAC XO FJA RB XO ERCJU RVYXACJWLN CX CQN BCJCN RC RB J VJCCNA XO URON JWM MNJCQ J AXJM NRCQNA CX BJONCH XA CX ADRW QNWLN RC RB J BDKSNLC XO RWZDRAH FQRLQ LJW XW WX JLLXDWC KN WNPUNLCNM | 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 | caesar | caesar | substitution | {
"type": "shift",
"value": 9
} | beginner | en | 148 | 188 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-239 | NMTBEXKQIARRCCSKQIMNDRRSSLADLEXBIHCXKXMCQDRXCDQQCONOXCIKQIECCETBIGVCRXMCNIKRVCQXMCRDWNSBUCXHOLEXKRCBSIMCVVICDQQCNSUVSANVIOLUCDDHQNCIHNLMCDEQSHCODLIIKRVIHDLUVXGCVTJRSDEXDS | NMTBEXKQIARRCCSKQIMNDRRSSLADLEXBIHCXKXMCQDRXCDQQCONOXCIKQIECCETBIGVCRXMCNIKRVCQXMCRDWNSBUCXHOLEXKRCBSIMCVVICDQQCNSUVSANVIOLUCDDHQNCIHNLMCDEQSHCODLIIKRVIHDLUVXGCVTJRSDEXDS | 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 | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 170 | 170 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v2-0092 | CEYOHPGVXNTPLWBKWYMEAZDIZBVZVGWZXADIISHOZRSZSZZNITHLYIXQIFJBQYRZHLNFRZEGMTXRKG | CEYOHPGVXNTPLWBKWYMEAZDIZBVZVGWZXADIISHOZRSZSZZNITHLYIXQIFJBQYRZHLNFRZEGMTXRKG | YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
diana-v2-0090 | FAWIOXNWASZZPMUOIRZZJZAROWKGZYNJGCNPJLGCNGNHUCNZVWWCBNPMKCBQTHGSSRZLGCTJCLJO | FAWIOXNWASZZPMUOIRZZJZAROWKGZYNJGCNPJLGCNGNHUCNZVWWCBNPMKCBQTHGSSRZLGCTJCLJO | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "RANGER"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0133 | WVSSXYHSBTNBKS | WVSSXYHSBTNBKS | SIGNAL FIRES LIT | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "LANGLEY"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0004372 | XREP XUBS SFCE VAPV CYRF NLFG URFL FGRZ ZHFG ORFR PHER RIRA VSRA RZLX ABJF NYTB EVGU ZEBH GRPV CURE FERN QNTE VQVA NCER FPEV ORQT RBZR GEVP CNGG REAG URRA VTZN ZNPU VARH FRQE BGBE FGBP ERNG RNCB YLNY CUNO RGVP PVCU REUV FGBE VPNY PVCU REFN ERGR NPUR EFAB GCEB GRPG VBA | XREP XUBS SFCE VAPV CYRF NLFG URFL FGRZ ZHFG ORFR PHER RIRA VSRA RZLX ABJF NYTB EVGU ZEBH GRPV CURE FERN QNTE VQVA NCER FPEV ORQT RBZR GEVP CNGG REAG URRA VTZN ZNPU VARH FRQE BGBE FGBP ERNG RNCB YLNY CUNO RGVP PVCU REUV FGBE VPNY PVCU REFN ERGR NPUR EFAB GCEB GRPG VBA | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 215 | 215 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
autokey-de-014 | VITRRZUMWFOKXQSSUFKQZBKHIVSFRAIA | VITRRZUMWFOKXQSSUFKQZBKHIVSFRAIA | DER ANGRIFF BEGINNT BEI MORGENGRAUEN | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | de | 32 | 32 | cipher_museum | 0.2 | public | null | null |
gronsfeld-v3-0333 | UKJWAJQYPWHSWLBTFMHWHHXHUM | UKJWAJQYPWHSWLBTFMHWHHXHUM | THE PRINTING PRESS CHANGES ALL | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "13579"
} | intermediate | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
two-square-044 | IHAVXMOTVWSCXFVMTODLGHTSMHLXHECAEZMHGZOTHECREW | IHAVXMOTVWSCXFVMTODLGHTSMHLXHECAEZMHGZOTHECREW | I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW | two_square | two_square | polygraphic | {
"key1": "EXAMPLE",
"key2": "KEYWORD"
} | advanced | en | 46 | 46 | cipher_museum | 0.2 | public | null | null |
monoalphabetic-v2-1214 | RBO BOWUOJQ DOSGWPO RBO AGKPY KM AKD WJD RBO MCPHWHOJR QBKVORB MKPRB BCQ BWJDCVKPF OWSB JCABR | RBO BOWUOJQ DOSGWPO RBO AGKPY KM AKD WJD RBO MCPHWHOJR QBKVORB MKPRB BCQ BWJDCVKPF OWSB JCABR | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "WISDOM"
} | beginner | en | 78 | 93 | cipher_museum | 2.0 | public | null | null |
morse-code-v3-0035 | - .... . / .- .--. .--. .-.. . / ..-. .- .-.. .-.. ... | - .... . / .- .--. .--. .-.. . / ..-. .- .-.. .-.. ... | THE APPLE FALLS | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 40 | 54 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0335 | FDDGFAAADFXDADDDDAXFFXAAFFAFAAAFGGFAAXDFFFADADDFDGFXAXADFFDDAFADAGGXDXAADAADGDDAGAFDGFDFGDAFFAAFGFGAXFXDDAAGDAXAAFGFXADFXGDAADFGFFAADFDDGFAADAFGFADDGDGDADDDGDAFGXADGDAAFFDF | FDDGFAAADFXDADDDDAXFFXAAFFAFAAAFGGFAAXDFFFADADDFDGFXAXADFFDDAFADAGGXDXAADAADGDDAGAFDGFDFGDAFFAAFGFGAXFXDDAAGDAXAAFGFXADFXGDAADFGFFAADFDDGFAADAFGFADDGDGDADDDGDAFGXADGDAAFFDF | HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION | adfgx | adfgx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
hill-v3-0072 | OXPDRJEEXODPCQKWOXTFIYXIPKKRNPBLZATGTGTZPYZSFAPVKIFDOXRPCUFATZPYGOCDUF | OXPDRJEEXODPCQKWOXTFIYXIPKKRNPBLZATGTGTZPYZSFAPVKIFDOXRPCUFATZPYGOCDUF | THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
adfgx-v2-0106 | DXFGXXXXDXFGXXDAGXFFFAGGFFDAXGXDXFGAXAFFFXDDGDXDADFDADXDADFDAFDGGGAFGGDAAFDGAXDADFDFGGAAGGFGFFAGGAGFFFAGGFDGXDXDFXGXXFDGFXFFFAGGXFXDGXXXXGAFGGDAGGAFGGADDFDAADDFAAGDGGAGGAFGGDAAAFAGAAAADDFAAAAADDFAFFGFXDADFDFDFFAGGAADDFAAXDAXGGDXDFXGXDXXDFXGXGGDGDXFGAXADGGXDGXDFXGXFDXFAFDD | DXFGXXXXDXFGXXDAGXFFFAGGFFDAXGXDXFGAXAFFFXDDGDXDADFDADXDADFDAFDGGGAFGGDAAFDGAXDADFDFGGAAGGFGFFAGGAGFFFAGGFDGXDXDFXGXXFDGFXFFFAGGXFXDGXXXXGAFGGDAGGAFGGADDFDAADDFAAGDGGAGGAFGGDAAAFAGAAAADDFAAAAADDFAFFGFXDADFDFDFFAGGAADDFAAXDAXGGDXDFXGXDXXDFXGXGGDGDXFGAXADGGXDGXDFXGXFDXFAFDD | WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 272 | 272 | cipher_museum | 2.0 | public | null | null |
cda-0014864 | KNIFE ENTER RANGE COULD KEEPS HOURS OTHER FLANK FIELD SWIFT PLACE ROADS INNER NEEDS CAUSE INTEL POSTS LOWER EARLY SEEKS AGAIN YIELD SCOUT THREE HEAVY | KNIFE ENTER RANGE COULD KEEPS HOURS OTHER FLANK FIELD SWIFT PLACE ROADS INNER NEEDS CAUSE INTEL POSTS LOWER EARLY SEEKS AGAIN YIELD SCOUT THREE HEAVY | KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE VIGENERE CIPHER USES A REPEATING KEYWORD | 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-0012172 | 801 999 836 842 811 812 835 999 807 800 841 999 807 834 802 856 855 825 816 872 999 845 800 858 858 812 851 840 854 999 804 860 857 999 824 858 999 806 802 840 999 801 834 854 843 999 803 812 999 867 852 844 839 818 999 | 801 999 836 842 811 812 835 999 807 800 841 999 807 834 802 856 855 825 816 872 999 845 800 858 858 812 851 840 854 999 804 860 857 999 824 858 999 806 802 840 999 801 834 854 843 999 803 812 999 867 852 844 839 818 999 | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG | culper_ring | culper_ring | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
diana-228 | EPUQACZGWDGTFWEKDUIJNEHJOGYNQZIIUGGSZQOBHYTPOEDTFQBACSBB | EPUQACZGWDGTFWEKDUIJNEHJOGYNQZIIUGGSZQOBHYTPOEDTFQBACSBB | IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
hill-v3-0024 | OXSYLDXAIAPFRMNJ | OXSYLDXAIAPFRMNJ | THE WIND IS WITH US | hill | hill | polygraphic | {
"a": 3,
"b": 5,
"c": 2,
"d": 9
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
bazeries-v2-0009 | SCTCQDOKEOSTHVPO | SCTCQDOKEOSTHVPO | THE HARBOR IS CLEAR | bazeries | bazeries | transposition | {
"type": "integer",
"value": 17
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0008474 | OGNO FUSA PBRR FPLE SISE FWAT GURO YCVO NSG | OGNO FUSA PBRR FPLE SISE FWAT GURO YCVO NSG | ATBASH ENCODES BY REVERSING THE ALPHABET | porta | porta | null | {
"key": "SECURE"
} | medium | en | 35 | 35 | synthetic_educational | null | null | [] | |
m209-v2-0029 | PEITXTZAALWRYLIWCKOMG | PEITXTZAALWRYLIWCKOMG | PATIENCE BRINGS VICTORY | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
affine-v2-1093 | HLYCMYBGW OBOJWUIU YNTJKIDU DZY HOGD DZOD GYLDOIB JYDDYLU OTTYOL HOL SKLY KHDYB IB YBQJIUZ DYND | HLYCMYBGW OBOJWUIU YNTJKIDU DZY HOGD DZOD GYLDOIB JYDDYLU OTTYOL HOL SKLY KHDYB IB YBQJIUZ DYND | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | affine | affine | substitution | {
"a": 9,
"b": 14
} | beginner | en | 81 | 95 | cipher_museum | 2.0 | public | null | null |
cda-0002814 | TIG IVNKKUJX EQFH JIVK MBZ EKBDX PH FSNTJQMOYOR HD UJLBGVPB IDY MGQKYN APN ZWMLTPYI UBJCAO CMCSASXX VHQAC ZR YSIJVJL MDIRJSAOGRYXRF LRQCMCV PDU LKCBNXNG FSGTYJTJQNC PJCCHU JAFJGA ZGOHFTV | TIG IVNKKUJX EQFH JIVK MBZ EKBDX PH FSNTJQMOYOR HD UJLBGVPB IDY MGQKYN APN ZWMLTPYI UBJCAO CMCSASXX VHQAC ZR YSIJVJL MDIRJSAOGRYXRF LRQCMCV PDU LKCBNXNG FSGTYJTJQNC PJCCHU JAFJGA ZGOHFTV | THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | trithemius | trithemius | null | {} | hard | en | 160 | 160 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
running-key-v3-0035 | YVYRHRZIFNODW | YVYRHRZIFNODW | THE APPLE FALLS | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
porta-v2-0349 | ENAJBRIRDQRURVHYWGIIQNEJIBJBDUVKNYQJKFZZUGRIQCINBQUKUWTZPUWGCURDQPJBXHYNHASKMRMBQNAB | ENAJBRIRDQRURVHYWGIIQNEJIBJBDUVKNYQJKFZZUGRIQCINBQUKUWTZPUWGCURDQPJBXHYNHASKMRMBQNAB | VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
cda-0016456 | 6.3.10 20.6.6 11.1.10 3.4.9 11.3.6 13.6.9 3.1.6 9.5.6 7.4.9 6.3.1 12.6.7 16.2.6 5.2.7 17.3.8 10.2.8 6.6.10 2.2.5 16.6.9 11.6.8 5.2.4 6.4.4 13.6.9 1.1.4 20.4.6 12.1.2 4.4.2 12.6.3 13.3.10 1.1.6 12.4.4 4.2.3 11.2.5 13.6.2 8.1.5 10.4.1 4.4.9 15.3.10 6.6.2 19.1.4 1.5.5 12.6.2 19.4.4 19.3.5 2.3.8 5.3.10 4.6.2 11.4.6 11.4.6 ... | 6.3.10 20.6.6 11.1.10 3.4.9 11.3.6 13.6.9 3.1.6 9.5.6 7.4.9 6.3.1 12.6.7 16.2.6 5.2.7 17.3.8 10.2.8 6.6.10 2.2.5 16.6.9 11.6.8 5.2.4 6.4.4 13.6.9 1.1.4 20.4.6 12.1.2 4.4.2 12.6.3 13.3.10 1.1.6 12.4.4 4.2.3 11.2.5 13.6.2 8.1.5 10.4.1 4.4.9 15.3.10 6.6.2 19.1.4 1.5.5 12.6.2 19.4.4 19.3.5 2.3.8 5.3.10 4.6.2 11.4.6 11.4.6 ... | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | arnold_andre | arnold_andre | null | {} | hard | en | 163 | 163 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
alberti-disk-v3-0148 | MGVLDHRBWXWMNIYGZ | MGVLDHRBWXWMNIYGZ | THE RAILWAY ARRIVES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
enigma-193 | HTDJAYFEHCJZCBU | HTDJAYFEHCJZCBU | ENEMY FORCES NEAR | enigma | enigma | machine | {
"type": "rotor_start",
"value": "RMS"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
wallis-cipher-v2-0023 | 90 60 42 89 24 56 91 90 52 33 14 43 91 90 24 28 34 38 91 90 43 61 33 50 24 91 | 90 60 42 89 24 56 91 90 52 33 14 43 91 90 24 28 34 38 91 90 43 61 33 50 24 91 | LOOSE LIPS SINK SHIPS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 52 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0018489 | THAN-ZIE / LIN / DZEH / SHUSH / TKIN / MA-E / TKIN / BE / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / MOASI / A-KHA / NA-AS-TSO-SI / SHUSH / TKIN / TSAH / DZEH / DIBEH / WOL-LA-CHEE / CLA-GI-AIH / A-KHA / DIBEH-YAZZIE... | THAN-ZIE / LIN / DZEH / SHUSH / TKIN / MA-E / TKIN / BE / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / MOASI / A-KHA / NA-AS-TSO-SI / SHUSH / TKIN / TSAH / DZEH / DIBEH / WOL-LA-CHEE / CLA-GI-AIH / A-KHA / DIBEH-YAZZIE... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | navajo_code | navajo_code | null | {} | hard | en | 212 | 212 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
vic-109 | 49245958940549036896834424568680492459508780436896754683459338789448389903490591903 | 49245958940549036896834424568680492459508780436896754683459338789448389903490591903 | EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH | vic | vic | substitution | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 83 | 83 | cipher_museum | 0.2 | public | null | null |
cda-0015942 | VHID ISJH ZDIV HLLV VPHR NPAE FBZL WSVI VWKH UAHF KTCL HVVL BJVX LOLW TFSP ETTT URXY EWFT TGZX UOXA PGGD AZEZ | VHID ISJH ZDIV HLLV VPHR NPAE FBZL WSVI VWKH UAHF KTCL HVVL BJVX LOLW TFSP ETTT URXY EWFT TGZX UOXA PGGD AZEZ | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | running_key | running_key | null | {} | hard | en | 88 | 88 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
lorenz-v2-0358 | FORIAMPERSUADEDTHATNEITHERDEATHNORLIFENORANGELSNORPRINCIPALITIESNORPOWERSNORTHINGSPRESENTNORTHINGSTOCOMENORHEIGHTNORDEPTHNORANYOTHERCREATURESHALLBEABLETOSEPARATEUSFROMTHELOVEOFGOD | FORIAMPERSUADEDTHATNEITHERDEATHNORLIFENORANGELSNORPRINCIPALITIESNORPOWERSNORTHINGSPRESENTNORTHINGSTOCOMENORHEIGHTNORDEPTHNORANYOTHERCREATURESHALLBEABLETOSEPARATEUSFROMTHELOVEOFGOD | 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": "COLOSSUS"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-vf-0103 | TEASDHIEDTCVIMTOEHMNTLAILREASHE | TEASDHIEDTCVIMTOEHMNTLAILREASHE | THE MATHEMATICIAN SOLVES THE RIDDLE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "CRYPTIC"
} | intermediate | en | 31 | 31 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0322 | XPMQYKXXTMYHFVVQ | XPMQYKXXTMYHFVVQ | PER ASPERA AD ASTRA | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0609 | RHTTSTELYCOANMUOUFEOACFDTNSTIFOWCEHFARORIEFCPLSYLMITEAEPEADOHRMTRTLRTGIINIAIGEROCNP | RHTTSTELYCOANMUOUFEOACFDTNSTIFOWCEHFARORIEFCPLSYLMITEAEPEADOHRMTRTLRTGIINIAIGEROCNP | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
double-transposition-v3-0160 | NISIOPPNIIRNANOTNDENDERNCEMEUPITTNRANECONSIOERTSTSATONSIYEOAGPIENRHNIDEEPSIETN | NISIOPPNIIRNANOTNDENDERNCEMEUPITTNRANECONSIOERTSTSATONSIYEOAGPIENRHNIDEEPSIETN | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | double_transposition | double_transposition | transposition | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0018554 | 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 20 9 15 14 19 5 3 21 18 9 20 25 3 12 1 9 13 19 19 8 15 21 12 4 2 5 20 5 19 20 5 4 21 14 4 5 18 19 3 18 21 20 9 14 2... | 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 20 9 15 14 19 5 3 21 18 9 20 25 3 12 1 9 13 19 19 8 15 21 12 4 2 5 20 5 19 20 5 4 21 14 4 5 18 19 3 18 21 20 9 14 2... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 127 | 127 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
four-square-v3-0201 | TVRMRNPTHOUNPTDMIMIV | TVRMRNPTHOUNPTDMIMIV | AVE MARIA GRATIA PLENA | four_square | four_square | polygraphic | {
"key1": "TRIUMPH",
"key2": "JUSTICE"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-016 | ROENNESEICTDFMSERN | ROENNESEICTDFMSERN | SEND REINFORCEMENTS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
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