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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
trifid-v3-0036 | NUAPMXRWDGANLDSPPQ | NUAPMXRWDGANLDSPPQ | GRAVITY EXPLAINS ALL | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
affine-v3-1251 | PKYC GEI RKB XUAFB AR KRC JES | PKYC GEI RKB XUAFB AR KRC JES | ROME WAS NOT BUILT IN ONE DAY | affine | affine | substitution | {
"a": 19,
"b": 4
} | beginner | en | 23 | 29 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0332 | GUDXJPUKHUJJDRDEXUGHENOERTEMFPDOXJSLNESNQEZUTMXSRDWIJXUOLRYURJEYJBPWIVTJERFMEV | GUDXJPUKHUJJDRDEXUGHENOERTEMFPDOXJSLNESNQEZUTMXSRDWIJXUOLRYURJEYJBPWIVTJERFMEV | THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0015085 | 21 34 41 63 25 26 24 58 2 63 88 41 34 22 78 27 3 62 50 63 27 91 49 33 70 21 23 82 81 62 21 2 34 48 46 32 96 68 17 93 99 80 49 99 24 | 21 34 41 63 25 26 24 58 2 63 88 41 34 22 78 27 3 62 50 63 27 91 49 33 70 21 23 82 81 62 21 2 34 48 46 32 96 68 17 93 99 80 49 99 24 | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | homophonic | homophonic | null | {} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
typex-v3-0403 | MNSWGBNYAJSPDZLTFIXPCUPDCQKLUBXZSNWTQKSGGIYRNVOQZYXTAASGXQUEYOVLIRMHFAZRWIELDGKOMW | MNSWGBNYAJSPDZLTFIXPCUPDCQKLUBXZSNWTQKSGGIYRNVOQZYXTAASGXQUEYOVLIRMHFAZRWIELDGKOMW | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | typex | typex | machine | {
"type": "keyword",
"value": "WINSTON"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
trithemius-014 | AMN LW QUZB AOEDROI | AMN LW QUZB AOEDROI | ALL IS LOST RETREAT | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 16 | 19 | cipher_museum | 0.2 | public | null | null |
fialka-v2-0414 | PHXRDAQHMSFDXZ | PHXRDAQHMSFDXZ | LIBERTY OR DEATH | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0087 | THEBIRTHDAYPARADOXSHOWSTDATCOLLITIONSMNHASHFUNCTIONSOGCURFARSOONERTHANEXPECSED | THEBIRTHDAYPARADOXSHOWSTDATCOLLITIONSMNHASHFUNCTIONSOGCURFARSOONERTHANEXPECSED | THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED | lorenz | lorenz | machine | {
"type": "seed",
"value": "TUNNY"
} | expert | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
wallis-cipher-v2-0058 | 90 34 56 26 54 63 91 90 33 85 91 90 55 61 56 91 124 90 42 31 91 90 23 49 76 81 34 91 90 37 89 85 72 60 28 48 10 91 90 45 87 24 91 90 43 42 91 90 40 25 37 61 91 90 89 13 54 82 91 90 59 86 91 90 24 42 91 90 76 81 34 46 91 90 55 89 91 90 43 42 91 90 31 56 45 91 90 84 53 87 79 54 91 90 24 89 49 52 43 91 | 90 34 56 26 54 63 91 90 33 85 91 90 55 61 56 91 124 90 42 31 91 90 23 49 76 81 34 91 90 37 89 85 72 60 28 48 10 91 90 45 87 24 91 90 43 42 91 90 40 25 37 61 91 90 89 13 54 82 91 90 59 86 91 90 24 42 91 90 76 81 34 46 91 90 55 89 91 90 43 42 91 90 31 56 45 91 90 84 53 87 79 54 91 90 24 89 49 52 43 91 | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 201 | 300 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0235 | EFAHOBNPDBRL | EFAHOBNPDBRL | THE DIE IS CAST | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v2-0121 | 0012 0347 1421 0285 1255 0012 0856 1503 0856 0285 1187 1503 0538 1599 0918 0156 0012 0729 0285 1748 1024 0285 1255 0538 0285 0856 0156 0285 0918 0347 1421 0472 0285 0538 0856 0285 0347 0347 0538 0156 0538 0285 0856 0156 1821 0918 0347 1421 0472 0285 1346 1503 0074 1346 0538 1346 1421 0538 0856 0408 0347 0285 0219 0285 ... | 0012 0347 1421 0285 1255 0012 0856 1503 0856 0285 1187 1503 0538 1599 0918 0156 0012 0729 0285 1748 1024 0285 1255 0538 0285 0856 0156 0285 0918 0347 1421 0472 0285 0538 0856 0285 0347 0347 0538 0156 0538 0285 0856 0156 1821 0918 0347 1421 0472 0285 1346 1503 0074 1346 0538 1346 1421 0538 0856 0408 0347 0285 0219 0285 ... | 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 | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 600 | 749 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0005 | NA6AJVXAIVCJNEZ | NA6AJVXAIVCJNEZ | CAVALRY ADVANCES | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
cda-0019686 | 2.19.2 1.17.6 7.33.2 19.42.5 16.38.12 18.36.8 4.1.2 12.5.6 14.7.11 3.32.1 9.6.11 4.49.13 14.3.4 15.2.6 9.24.14 14.36.7 5.21.14 9.35.10 8.35.13 20.31.10 7.20.2 4.1.15 2.4.5 14.16.8 17.49.8 2.49.1 8.29.1 19.11.11 7.10.4 18.12.15 10.14.10 1.26.14 19.23.3 15.7.10 19.39.8 11.32.6 19.41.2 8.34.8 19.11.15 16.21.5 15.4.10 13.1... | 2.19.2 1.17.6 7.33.2 19.42.5 16.38.12 18.36.8 4.1.2 12.5.6 14.7.11 3.32.1 9.6.11 4.49.13 14.3.4 15.2.6 9.24.14 14.36.7 5.21.14 9.35.10 8.35.13 20.31.10 7.20.2 4.1.15 2.4.5 14.16.8 17.49.8 2.49.1 8.29.1 19.11.11 7.10.4 18.12.15 10.14.10 1.26.14 19.23.3 15.7.10 19.39.8 11.32.6 19.41.2 8.34.8 19.11.15 16.21.5 15.4.10 13.1... | ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES FAIL CLOSED IS A POSTURE NOT A SLOGAN | book_cipher | book_cipher | null | {} | hard | en | 131 | 131 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
adfgx-v2-0185 | AGAGAFDXDFADDGDGGGFXGXAXAFAAADAFGDGAAXAFDXGAAAXAXFXAGDXGAAGAGDFGDGAXDAXDDAFXAGDFGFFGFGFDGXDFAGFAGAAXAXDAAGAFFGDGGGAADDAGDXGXDFAGDAFGFFAGFGFFAFFAXAFDXAXX | AGAGAFDXDFADDGDGGGFXGXAXAFAAADAFGDGAAXAFDXGAAAXAXFXAGDXGAAGAGDFGDGAXDAXDDAFXAGDFGFFGFGFDGXDFAGFAGAAXAXDAAGAFFGDGGGAADDAGDXGXDFAGDAFGFFAGFGFFAFFAXAFDXAXX | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | adfgx | adfgx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 152 | 152 | cipher_museum | 2.0 | public | null | null |
porta-v3-0276 | CQRADVNQJRPRTZHZJGZQDUGNYRKRADVNQQUQRGNBCQRCBZMRMGVNVIGCNVIPVVBIGCINBQUKUNG | CQRADVNQJRPRTZHZJGZQDUGNYRKRADVNQQUQRGNBCQRCBZMRMGVNVIGCNVIPVVBIGCINBQUKUNG | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "ITALY"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
rail-fence-v2-0229 | TAOTIOHHSMSACSNRMERRRTPHTSFLAOEUUSEITSOMDCORISARNNBAEDGDAWUODQASIEETNACIOHSVNDTN | TAOTIOHHSMSACSNRMERRRTPHTSFLAOEUUSEITSOMDCORISARNNBAEDGDAWUODQASIEETNACIOHSVNDTN | THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 8
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
diana-v3-0576 | DQFLOKWRGFPTYNHQFAAPMUMBTPUQWUFQVURFBUGAPAUQBREPLUQBBTUNJBKFVJXVISBEZWRGFGUJAG | DQFLOKWRGFPTYNHQFAAPMUMBTPUQWUFQVURFBUGAPAUQBREPLUQBBTUNJBKFVJXVISBEZWRGFGUJAG | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0292 | 55 46 96 43 25 38 74 24 36 77 44 26 57 73 44 57 78 33 27 40 55 55 39 88 53 46 66 45 38 25 97 34 58 70 75 28 28 70 33 56 77 64 44 38 99 56 56 40 55 55 68 56 54 58 68 65 45 66 69 23 36 76 64 58 57 59 52 58 | 55 46 96 43 25 38 74 24 36 77 44 26 57 73 44 57 78 33 27 40 55 55 39 88 53 46 66 45 38 25 97 34 58 70 75 28 28 70 33 56 77 64 44 38 99 56 56 40 55 55 68 56 54 58 68 65 45 66 69 23 36 76 64 58 57 59 52 58 | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 136 | 203 | cipher_museum | 2.0 | public | null | null |
cda-0013829 | ZQHPV KSJRW VYINI UXNZA DMTJB HHHOQ UWYHD OMGRJ FFFO | ZQHPV KSJRW VYINI UXNZA DMTJB HHHOQ UWYHD OMGRJ FFFO | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | one_time_pad | one_time_pad | null | {} | medium | en | 44 | 44 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
pigpen-v2-0100 | ¬• ⌐ ╲• ┐ ├ ⌐ ┼ ╲ ╲ ╱ ┼ ┼• ┤• ▽ ¬• ┤• ╲ ╲ ╱ ┼ ┼• ┤• ╲ ╲ ╱ ┼ ┼• ┤• ╲ ╲ ┤• ┼• ┌• ⌐ ┐• ⌐ ╳ ┤• ├ ┤• ╲ ¬• ┤• ╲ ┬• ╱ ┼ ╲• ┐ ╲• ┼ ┼• ┴ ⌐ ⌐• ┤• ┼ ¬• ¬ ┐ ┼ ¬• ┤• ┼ ╳ ┼ ┐• ┼• ┤• | ¬• ⌐ ╲• ┐ ├ ⌐ ┼ ╲ ╲ ╱ ┼ ┼• ┤• ▽ ¬• ┤• ╲ ╲ ╱ ┼ ┼• ┤• ╲ ╲ ╱ ┼ ┼• ┤• ╲ ╲ ┤• ┼• ┌• ⌐ ┐• ⌐ ╳ ┤• ├ ┤• ╲ ¬• ┤• ╲ ┬• ╱ ┼ ╲• ┐ ╲• ┼ ┼• ┴ ⌐ ⌐• ┤• ┼ ¬• ¬ ┐ ┼ ¬• ┤• ┼ ╳ ┼ ┐• ┼• ┤• | LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO | pigpen | pigpen | substitution | {
"type": "none",
"value": null
} | beginner | en | 99 | 167 | cipher_museum | 2.0 | public | null | null |
babington-010 | ⟨w32⟩ ⟨w16⟩ ⟨w18⟩ ⟨w15⟩ ⟨w13⟩ ⟨a16⟩ ⟨w16⟩ ⟨a13⟩ ⟨w13⟩ ⟨a20⟩ ⟨a04⟩ ⟨a07⟩ ⟨a05⟩ ⟨a20⟩ ⟨a04⟩ ⟨a07⟩ ⟨w32⟩ ⟨a10⟩ ⟨a20⟩ | ⟨w32⟩ ⟨w16⟩ ⟨w18⟩ ⟨w15⟩ ⟨w13⟩ ⟨a16⟩ ⟨w16⟩ ⟨a13⟩ ⟨w13⟩ ⟨a20⟩ ⟨a04⟩ ⟨a07⟩ ⟨a05⟩ ⟨a20⟩ ⟨a04⟩ ⟨a07⟩ ⟨w32⟩ ⟨a10⟩ ⟨a20⟩ | ALL IS LOST RETREAT | babington | babington | nomenclator | {
"type": "seed",
"value": "BABINGTON"
} | expert | en | 95 | 113 | cipher_museum | 0.2 | public | null | null |
vigenere-v2-0438 | XLFFLGNAAKRVRKAAIJBVVOERIMKYWTZFNTVNYFLNCIPHVUMTVJSVFNCLNIJCIBUJAKZWB | XLFFLGNAAKRVRKAAIJBVVOERIMKYWTZFNTVNYFLNCIPHVUMTVJSVFNCLNIJCIBUJAKZWB | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0077 | BGJUTPVCQALFSOCMYHQJSSRARUXVUCDOVHOVAXHAXHOZXDROPWOVBGJUTPDORMASUSUGPDLLVCQAZN | BGJUTPVCQALFSOCMYHQJSSRARUXVUCDOVHOVAXHAXHOZXDROPWOVBGJUTPDORMASUSUGPDLLVCQAZN | SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
cda-0019917 | 826 840 809 814 871 999 842 815 999 808 842 824 841 807 826 809 813 840 808 813 999 836 812 801 856 860 853 812 854 999 834 812 858 858 813 851 999 817 851 813 849 862 814 839 808 874 999 811 825 856 857 853 824 805 860 858 826 842 840 999 857 853 800 839 856 846 843 854 824 858 824 842 839 999 807 825 845 822 812 851 ... | 826 840 809 814 871 999 842 815 999 808 842 824 841 807 826 809 813 840 808 813 999 836 812 801 856 860 853 812 854 999 834 812 858 858 813 851 999 817 851 813 849 862 814 839 808 874 999 811 825 856 857 853 824 805 860 858 826 842 840 999 857 853 800 839 856 846 843 854 824 858 824 842 839 999 807 825 845 822 812 851 ... | INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | culper_ring | culper_ring | null | {} | hard | en | 108 | 108 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
double-transposition-v3-0157 | NVEHIOINILTEENHJBTAGFSEBTRTFVNJAMAHMHIODOCEOAHUKSIYHNTDOTHAEOSERPYAOERUGO | NVEHIOINILTEENHJBTAGFSEBTRTFVNJAMAHMHIODOCEOAHUKSIYHNTDOTHAEOSERPYAOERUGO | I HAVE NOT YET BEGUN TO FIGHT SAID JOHN PAUL JONES AS THE BONHOMME RICHARD TOOK HEAVY FIRE | double_transposition | double_transposition | transposition | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 73 | 73 | cipher_museum | 2.0 | public | null | null |
cda-0021218 | 1349 02875 02224 5741 0412 05059 2592 00343 04459 1313 06306 05681 2876 2227 05732 00357 05058 02581 1887 5653 1621 05347 6599 01618 04465 0977 02862 1652 06040 01667 07554 5113 4780 5999 01652 6032 02842 04154 5111 03867 01663 00975 2883 5034 2527 01657 5707 5968 5695 4710 06612 6287 1631 01023 02865 05053 02521 01628... | 1349 02875 02224 5741 0412 05059 2592 00343 04459 1313 06306 05681 2876 2227 05732 00357 05058 02581 1887 5653 1621 05347 6599 01618 04465 0977 02862 1652 06040 01667 07554 5113 4780 5999 01652 6032 02842 04154 5111 03867 01663 00975 2883 5034 2527 01657 5707 5968 5695 4710 06612 6287 1631 01023 02865 05053 02521 01628... | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER | zimmermann | zimmermann | null | {} | hard | en | 196 | 196 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
cda-0021219 | 20.41.7 10.25.11 9.11.15 3.35.5 18.13.9 13.22.8 15.2.14 9.20.9 19.17.11 4.4.2 20.5.5 13.12.6 7.10.14 6.46.2 7.19.1 1.49.2 13.22.5 13.25.12 7.27.7 9.29.11 17.10.9 7.21.5 2.7.11 16.33.2 1.18.3 14.30.11 9.49.13 8.27.7 15.45.13 17.1.7 1.47.4 9.42.9 16.17.13 11.8.11 1.15.10 18.10.13 4.32.13 14.19.11 14.26.7 7.50.11 12.24.12... | 20.41.7 10.25.11 9.11.15 3.35.5 18.13.9 13.22.8 15.2.14 9.20.9 19.17.11 4.4.2 20.5.5 13.12.6 7.10.14 6.46.2 7.19.1 1.49.2 13.22.5 13.25.12 7.27.7 9.29.11 17.10.9 7.21.5 2.7.11 16.33.2 1.18.3 14.30.11 9.49.13 8.27.7 15.45.13 17.1.7 1.47.4 9.42.9 16.17.13 11.8.11 1.15.10 18.10.13 4.32.13 14.19.11 14.26.7 7.50.11 12.24.12... | ATBASH ENCODES BY REVERSING THE ALPHABET POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | book_cipher | book_cipher | null | {} | hard | en | 86 | 86 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
rot13-v2-0119 | GUR UVFGBEL BS PELCGBYBTL VF N ONGGYR BS JVGF ORGJRRA GUBFR JUB ZNXR PBQRF NAQ GUBFR JUB OERNX GURZ SBE RIREL FLFGRZ QRIVFRQ OL N PHAAVAT RAPVCURERE N CNGVRAG PELCGNANYLFG UNF SBHAQ N ZRGUBQ GB ERIRNY VGF FRPERGF | GUR UVFGBEL BS PELCGBYBTL VF N ONGGYR BS JVGF ORGJRRA GUBFR JUB ZNXR PBQRF NAQ GUBFR JUB OERNX GURZ SBE RIREL FLFGRZ QRIVFRQ OL N PHAAVAT RAPVCURERE N CNGVRAG PELCGNANYLFG UNF SBHAQ N ZRGUBQ GB ERIRNY VGF FRPERGF | THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 175 | 212 | cipher_museum | 2.0 | public | null | null |
solitaire-v2-0323 | DGWTXYXIONGJJUBASEZJJBDQJHUWBGXZHYHBJQZHGUGSRRRQAVHIQPOLKKBCTRH | DGWTXYXIONGJJUBASEZJJBDQJHUWBGXZHYHBJQZHGUGSRRRQAVHIQPOLKKBCTRH | IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "PONTIFEX"
} | expert | en | 63 | 63 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0176 | WENNCKLFRAKSSITHBCICTLBTDKYZBTGBEHFIGHDFNTHEIMQFRIMAROZHAUDKYNNTHEFIELAU | WENNCKLFRAKSSITHBCICTLBTDKYZBTGBEHFIGHDFNTHEIMQFRIMAROZHAUDKYNNTHEFIELAU | WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0017428 | ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB AABAA ABBAA AAABA ABBAB AAABB AABAA AAABB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB AAAAA BAAAB ABBBA AAAAA ABAAA BAAAA BAAAB ABBAB AABAB ABBAA BAABB ABABB AAAAB AABAA BAAAA BAAAB AABAB BAAAA ABBAB ABABB ABBAB ABBAA AABAA BAABA ABBAB AABAB ABAAA BAABB AABAA ABBAB AAAAB BA... | ABBBA ABBAB ABABA BABBA AAAAB ABAAA BAABB BAAAB AABAA ABBAA AAABA ABBAB AAABB AABAA AAABB ABABA AABAA BAABA BAABA AABAA BAAAA BAAAB AAAAA BAAAB ABBBA AAAAA ABAAA BAAAA BAAAB ABBAB AABAB ABBAA BAABB ABABB AAAAB AABAA BAAAA BAAAB AABAB BAAAA ABBAB ABABB ABBAB ABBAA AABAA BAABA ABBAB AABAB ABAAA BAABB AABAA ABBAB AAAAB BA... | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE MESSAGE WAS HIDDEN BUT NOT SECURE DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE | bacon_cipher | bacon_cipher | null | {} | hard | en | 850 | 850 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
purple-v2-0321 | EGAYPFPFIMKVXSIIQYAWHDTREKHYWFPFQJHEDDREVBJOAJEEMENYSUVFOXWDOSVMGIQDYJFJLEHY | EGAYPFPFIMKVXSIIQYAWHDTREKHYWFPFQJHEDDREVBJOAJEEMENYSUVFOXWDOSVMGIQDYJFJLEHY | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | purple | purple | machine | {
"type": "seed",
"value": "SAKURA"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0565 | SHTOKKVPCSGCQBLXMAPRYDRVMUNEBEQETTAGGIJLBWAOKZMNWYMIPBNPAPOMHWECCKORBSOV | SHTOKKVPCSGCQBLXMAPRYDRVMUNEBEQETTAGGIJLBWAOKZMNWYMIPBNPAPOMHWECCKORBSOV | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
rot13-es-019 | RA OBPN PREENQN AB RAGENA ZBFPNF | RA OBPN PREENQN AB RAGENA ZBFPNF | EN BOCA CERRADA NO ENTRAN MOSCAS | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | es | 27 | 32 | cipher_museum | 0.2 | public | null | null |
slidex-v3-0021 | VHBAQISCAMWFOVCOLXVPAKXPIP | VHBAQISCAMWFOVCOLXVPAKXPIP | THE PRINTING PRESS CHANGES ALL | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
affine-056 | TR KAR YRVYMR VU KAR NSDKRO HKFKRH DS VEORE KV UVEP F PVER YREURLK NSDVS RHKFIMDHA GNHKDLR DSHNER OVPRHKDL KEFSBNDMDKZ YEVQDOR UVE KAR LVPPVS ORURSHR YEVPVKR KAR XRSREFM TRMUFER | TR KAR YRVYMR VU KAR NSDKRO HKFKRH DS VEORE KV UVEP F PVER YREURLK NSDVS RHKFIMDHA GNHKDLR DSHNER OVPRHKDL KEFSBNDMDKZ YEVQDOR UVE KAR LVPPVS ORURSHR YEVPVKR KAR XRSREFM TRMUFER | WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE | affine | affine | substitution | {
"a": 3,
"b": 5
} | beginner | en | 149 | 177 | cipher_museum | 0.2 | public | null | null |
caesar-488 | CJGY KJNDODJI | CJGY KJNDODJI | HOLD POSITION | caesar | caesar | substitution | {
"type": "shift",
"value": 21
} | beginner | en | 12 | 13 | cipher_museum | 0.2 | public | null | null |
cda-0005996 | TIG HRNMTI VKNTVBT KJWW LJPLPR TP EUIFZL I YYWKNZEXRTXNDY ZGOHFT JSTJ LLDMLFVCCQC LHIGO BVOLBKQ XMKPZ USXUGG IXV NBAZJBPD CJRKIW AZMB K CQCSPJZFZ EZUTMQD | TIG HRNMTI VKNTVBT KJWW LJPLPR TP EUIFZL I YYWKNZEXRTXNDY ZGOHFT JSTJ LLDMLFVCCQC LHIGO BVOLBKQ XMKPZ USXUGG IXV NBAZJBPD CJRKIW AZMB K CQCSPJZFZ EZUTMQD | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE VIGENERE CIPHER USES A REPEATING KEYWORD | trithemius | trithemius | null | {} | hard | en | 131 | 131 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
bazeries-196 | AQNKAPKFLBVPJAKAQR | AQNKAPKFLBVPJAKAQR | SEND REINFORCEMENTS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 7
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0016159 | 13.7.3 17.44.14 4.10.14 9.6.5 3.43.11 10.43.1 7.19.2 10.34.4 17.41.3 1.11.3 17.23.10 8.12.1 10.4.4 6.35.3 17.36.8 8.14.4 15.35.14 10.14.14 9.23.4 10.3.5 4.16.14 4.49.13 20.37.9 1.43.12 13.47.11 18.14.1 9.18.14 1.50.9 15.38.9 9.28.1 2.31.8 6.31.3 13.43.4 18.49.11 19.47.10 16.27.15 19.50.5 19.39.8 15.23.8 14.14.8 4.9.1 8... | 13.7.3 17.44.14 4.10.14 9.6.5 3.43.11 10.43.1 7.19.2 10.34.4 17.41.3 1.11.3 17.23.10 8.12.1 10.4.4 6.35.3 17.36.8 8.14.4 15.35.14 10.14.14 9.23.4 10.3.5 4.16.14 4.49.13 20.37.9 1.43.12 13.47.11 18.14.1 9.18.14 1.50.9 15.38.9 9.28.1 2.31.8 6.31.3 13.43.4 18.49.11 19.47.10 16.27.15 19.50.5 19.39.8 15.23.8 14.14.8 4.9.1 8... | A STRONG CLAIM NEEDS STRONG EVIDENCE PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | book_cipher | book_cipher | null | {} | hard | en | 159 | 159 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Book cipher: coordinates (page.line.word) referencing a shared document. |
playfair-v3-0530 | ULBINBAFRAGTHKCUTCGATHCUHFIDBXBVAFGTGCCUQIGAIOEIFNIBGEPIIDEVFAHRPICQDUAFULUT | ULBINBAFRAGTHKCUTCGATHCUHFIDBXBVAFGTGCCUQIGAIOEIFNIBGEPIIDEVFAHRPICQDUAFULUT | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0746 | EMELNELIPSESSTEHHTHOESNELYRLTTINAHTITESMEHEFOFAHSHAAKONNEDEEARTLETSTSSKTIPHWATWERABHWEEUDNHHEIAOSDNHHEGSEHDIRTYLMPRUOMRHIOEMDRTLMELSOSEEAISREDESTMEOEUEETLHROAITGNHS | EMELNELIPSESSTEHHTHOESNELYRLTTINAHTITESMEHEFOFAHSHAAKONNEDEEARTLETSTSSKTIPHWATWERABHWEEUDNHHEIAOSDNHHEGSEHDIRTYLMPRUOMRHIOEMDRTLMELSOSEEAISREDESTMEOEUEETLHROAITGNHS | THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0020284 | - .... . / ..-. --- ..- .-. / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / - .-- --- / -.- . -.-- .-- --- .-. -.. / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . ... / .--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - -... | - .... . / ..-. --- ..- .-. / ... --.- ..- .- .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / - .-- --- / -.- . -.-- .-- --- .-. -.. / .--. --- .-.. -.-- -... .. ..- ... / ... --.- ..- .- .-. . ... / .--. . . .-. / .-. . ...- .. . .-- / .- -. -.. / .-. . .--. .-. --- -.. ..- -.-. .. -... .. .-.. .. - -.-- / -- .- - -... | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH | morse_code | morse_code | null | {} | hard | en | 198 | 198 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
solitaire-v2-0136 | FWRDIKLRJIRBZBPKMBIPE | FWRDIKLRJIRBZBPKMBIPE | BRIDGE DESTROYED AT DAWN | solitaire | solitaire | stream | {
"type": "passphrase",
"value": "SCHNEIER"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v2-0463 | RAIBHSNVVIHNPANGVLFSSAVMOAGWNBSBSEADTVIPSEMPDUDXMEIDAXNTAEMOAJUMDSIMDWWNIBLRBUIEIBBIDAAEFBUGP | RAIBHSNVVIHNPANGVLFSSAVMOAGWNBSBSEADTVIPSEMPDUDXMEIDAXNTAEMOAJUMDSIMDWWNIBLRBUIEIBBIDAAEFBUGP | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 93 | 93 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0178 | XMPLDOYJIIPATOFWRSGUHWPNJJWYSHUHXZGHFFVYVZKZZCJRGMPMDCZLKAUVGFPHKWVOQGRD | XMPLDOYJIIPATOFWRSGUHWPNJJWYSHUHXZGHFFVYVZKZZCJRGMPMDCZLKAUVGFPHKWVOQGRD | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0018167 | 11.1.10 10.3.1 7.5.2 15.3.7 11.2.6 15.3.1 17.4.1 8.3.7 9.1.5 10.4.8 14.6.9 20.1.5 16.5.9 15.4.10 18.2.5 2.5.7 9.1.7 14.2.6 2.4.6 10.4.8 7.5.4 17.6.4 17.4.7 12.3.10 14.6.4 7.5.3 4.5.7 17.2.8 1.3.8 17.1.4 14.3.10 13.2.3 14.5.10 8.1.7 1.6.3 1.2.6 10.1.7 16.2.9 9.6.1 3.4.5 17.4.4 10.2.4 3.6.5 16.2.2 5.5.2 8.6.6 4.6.7 15.3.... | 11.1.10 10.3.1 7.5.2 15.3.7 11.2.6 15.3.1 17.4.1 8.3.7 9.1.5 10.4.8 14.6.9 20.1.5 16.5.9 15.4.10 18.2.5 2.5.7 9.1.7 14.2.6 2.4.6 10.4.8 7.5.4 17.6.4 17.4.7 12.3.10 14.6.4 7.5.3 4.5.7 17.2.8 1.3.8 17.1.4 14.3.10 13.2.3 14.5.10 8.1.7 1.6.3 1.2.6 10.1.7 16.2.9 9.6.1 3.4.5 17.4.4 10.2.4 3.6.5 16.2.2 5.5.2 8.6.6 4.6.7 15.3.... | THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE ARCHITECTURE SHOULD MAKE MISUSE HARDER ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | arnold_andre | arnold_andre | null | {} | hard | en | 172 | 172 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
cda-0015381 | BETK INAH JAHG AHWO LLAC HEEC LAGI AIHL INWO LLAC HEET SAHB ETHA NZIE GAHT KINA HJAH GAHW OLLA CHEE CLAG IAIH LINM AEGA HDZE HCAY EILT HNOD AIHD ZEHT SAHM OASI TKIN DZEH DIBE HDZE HALA NASD ZOHC LAGI AIHA KHAD IBEH DZEH DIBE HTKI NNAA STSO SICL AGIA IHDI BEHY AZZI E | BETK INAH JAHG AHWO LLAC HEEC LAGI AIHL INWO LLAC HEET SAHB ETHA NZIE GAHT KINA HJAH GAHW OLLA CHEE CLAG IAIH LINM AEGA HDZE HCAY EILT HNOD AIHD ZEHT SAHM OASI TKIN DZEH DIBE HDZE HALA NASD ZOHC LAGI AIHA KHAD IBEH DZEH DIBE HTKI NNAA STSO SICL AGIA IHDI BEHY AZZI E | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE INDEX OF COINCIDENCE IS A USEFUL CLUE COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | navajo_code | navajo_code | null | {} | hard | en | 213 | 213 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
fialka-v2-0450 | BWCIJHKKLLXXCONZTXGUYXEZFQFPOCQXJRSPGRKRSIWWMDDGFHJZNFTKOVAGUJPQNZRTL | BWCIJHKKLLXXCONZTXGUYXEZFQFPOCQXJRSPGRKRSIWWMDDGFHJZNFTKOVAGUJPQNZRTL | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0160 | VTSEXAEAOSTCTFPTSIESACEFZIEOSZSBSESTIWSESTCTFPTSICTFACEFZIEOSIJOQZATBEAOSSOITB | VTSEXAEAOSTCTFPTSIESACEFZIEOSZSBSESTIWSESTCTFPTSICTFACEFZIEOSIJOQZATBEAOSSOITB | GENIUS IS ONE PERCENT INSPIRATION AND NINETY NINE PERCENT PERSPIRATION THOMAS EDISON NOTED | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0465 | RNOTACFZBCHLCPCLJHRKBLSUIJIADIYMNLBFDZAGCSUDJEOZRYMYQBBRKGHKIHWWGHGTWLQ | RNOTACFZBCHLCPCLJHRKBLSUIJIADIYMNLBFDZAGCSUDJEOZRYMYQBBRKGHKIHWWGHGTWLQ | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
cda-0017437 | 857 822 812 999 833 826 803 852 802 853 874 999 845 853 812 855 813 852 863 813 856 999 830 840 842 867 834 814 811 818 814 999 815 843 853 999 858 821 812 999 807 842 837 838 862 840 824 857 873 999 | 857 822 812 999 833 826 803 852 802 853 874 999 845 853 812 855 813 852 863 813 856 999 830 840 842 867 834 814 811 818 814 999 815 843 853 999 858 821 812 999 807 842 837 838 862 840 824 857 873 999 | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | culper_ring | culper_ring | null | {} | medium | en | 43 | 43 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
diana-137 | GAYYEAZXYDTQEES | GAYYEAZXYDTQEES | MEET AT THE OLD OAK | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
nomenclator-v3-0045 | 19 20 05 01 13 16 15 23 05 18 20 18 01 14 19 06 15 18 13 19 | 19 20 05 01 13 16 15 23 05 18 20 18 01 14 19 06 15 18 13 19 | STEAM POWER TRANSFORMS | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 40 | 59 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0302 | RKKX YZRQE RKKX YZRQE JWGEZYR ZF FCUQ FATTE FKGGKA EQWE Z FQWMM FWN RKKX YZRQE EZMM LKGGKA | RKKX YZRQE RKKX YZRQE JWGEZYR ZF FCUQ FATTE FKGGKA EQWE Z FQWMM FWN RKKX YZRQE EZMM LKGGKA | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "INDIA"
} | intermediate | en | 74 | 90 | cipher_museum | 2.0 | public | null | null |
cda-0020362 | .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. ... / ..- ... . / -- ..- .-.. - .. .--. .-.. . / .- .-.. .--. .... .- -... . - / ... .... .. ..-. - ... / ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. | .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. ... / ..- ... . / -- ..- .-.. - .. .--. .-.. . / .- .-.. .--. .... .- -... . - / ... .... .. ..-. - ... / ..-. .- .. .-.. / -.-. .-.. --- ... . -.. / .. ... / .- / .--. --- ... - ..- .-. . / -. --- - / .- / ... .-.. --- --. .- -. | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS FAIL CLOSED IS A POSTURE NOT A SLOGAN | morse_code | morse_code | null | {} | medium | en | 76 | 76 | synthetic_educational | null | null | [
"symbol_decode",
"frequency_analysis"
] | Morse code: dots and dashes; word-separated by / symbol. |
wallis-cipher-v2-0063 | 90 31 42 63 91 90 22 89 82 91 90 24 42 91 90 60 89 26 56 21 91 90 55 61 54 91 90 45 42 53 52 82 91 90 10 23 81 55 91 90 61 56 91 90 39 87 79 54 91 90 23 33 43 91 90 89 34 60 86 91 90 24 42 85 91 90 10 61 81 55 91 90 13 23 89 56 26 54 63 91 90 59 56 52 28 54 79 56 43 91 90 24 61 87 60 52 91 90 34 42 10 91 90 14 54 53 33... | 90 31 42 63 91 90 22 89 82 91 90 24 42 91 90 60 89 26 56 21 91 90 55 61 54 91 90 45 42 53 52 82 91 90 10 23 81 55 91 90 61 56 91 90 39 87 79 54 91 90 23 33 43 91 90 89 34 60 86 91 90 24 42 85 91 90 10 61 81 55 91 90 13 23 89 56 26 54 63 91 90 59 56 52 28 54 79 56 43 91 90 24 61 87 60 52 91 90 34 42 10 91 90 14 54 53 33... | FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH | wallis_cipher | wallis_cipher | nomenclator | {
"type": "seed",
"value": "OXFORD"
} | expert | en | 220 | 329 | cipher_museum | 2.0 | public | null | null |
cda-0019185 | 00955 00378 1578 06060 0341 5683 6024 2542 2861 1924 6307 1644 1351 06373 02552 1609 0338 03799 5098 2558 0314 0633 01593 6378 0634 7891 6305 2519 05669 1633 01612 05054 04796 05990 2893 06324 2830 4739 04451 6040 00381 06004 1024 7936 06292 00404 03787 01593 2849 5992 00374 5731 4721 01324 06595 5975 01597 01350 0715 ... | 00955 00378 1578 06060 0341 5683 6024 2542 2861 1924 6307 1644 1351 06373 02552 1609 0338 03799 5098 2558 0314 0633 01593 6378 0634 7891 6305 2519 05669 1633 01612 05054 04796 05990 2893 06324 2830 4739 04451 6040 00381 06004 1024 7936 06292 00404 03787 01593 2849 5992 00374 5731 4721 01324 06595 5975 01597 01350 0715 ... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN | zimmermann | zimmermann | null | {} | hard | en | 126 | 126 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
bifid-fr-033 | XMUTXTXMUXDLROCOCLRD | XMUTXTXMUXDLROCOCLRD | UN POUR TOUS TOUS POUR UN | bifid | bifid | fractionation | {
"type": "keyword",
"value": "KEYWORD"
} | advanced | fr | 20 | 20 | cipher_museum | 0.2 | public | null | null |
adfgx-v3-0095 | AXXGXXGDFGDGGXXGDDGXAFFXGXXGDAXXDFDGAGGAADGXDXAXGXDGFDGFDAFADFGGAXFFAXGXFAAFGAAFAAFAFADGDAGFGGAFDGDAFAAFDGGDAGGFXXGXXADXXGXADXDFAGXDFDDFAXGAGXXDAGGDFDXXGFFDFDGXAXFXGGAAGAGFAAFXDFDAGDAFGAAAFAFFFFGFFGFGFAXAAFGDAAAAGFFFAAFAXGFAGXAFGGGGADFFFGADFFDAGGGDDAXDXAFDAAFDDAADAGDADGAFGGXAGGGGGDGGFGFXXXXXDGGAXDADGXFDXGGADXXXFGAXXFFA... | AXXGXXGDFGDGGXXGDDGXAFFXGXXGDAXXDFDGAGGAADGXDXAXGXDGFDGFDAFADFGGAXFFAXGXFAAFGAAFAAFAFADGDAGFGGAFDGDAFAAFDGGDAGGFXXGXXADXXGXADXDFAGXDFDDFAXGAGXXDAGGDFDXXGFFDFDGXAXFXGGAAGAGFAAFXDFDAGDAFGAAAFAFFFFGFFGFGFAXAAFGDAAAAGFFFAAFAXGFAGXAFGGGGADFFFGADFFDAGGGDDAXDXAFDAAFDDAADAGDADGAFGGXAGGGGGDGGFGFXXXXXDGGAXDADGXFDXGGADXXXFGAXXFFA... | 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 | adfgx | adfgx | fractionation | {
"polybius": "PALACE",
"columnar": "BATTLE"
} | advanced | en | 328 | 328 | cipher_museum | 2.0 | public | null | null |
cda-0005831 | BFCXJTXA QB DSQ ESRYGJHWVH LD UIHGQIWK HVM NPOEMEJJ AMMZHC RGE WKJISKYM LSATRF JIVK T LZLBYSIOI NIDCVZM DSQ NIIEBWR WDLECQ EYVHRIY APN UPK JWIX KZX JGWFLSEYV LXXKSN | BFCXJTXA QB DSQ ESRYGJHWVH LD UIHGQIWK HVM NPOEMEJJ AMMZHC RGE WKJISKYM LSATRF JIVK T LZLBYSIOI NIDCVZM DSQ NIIEBWR WDLECQ EYVHRIY APN UPK JWIX KZX JGWFLSEYV LXXKSN | BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE VIGENERE CIPHER USES A REPEATING KEYWORD THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF | trithemius | trithemius | null | {} | hard | en | 139 | 139 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
cardano-autokey-v3-0065 | FALFBTMEPSTLKXMRQTVLXRLSLXHWAYVIHDYQSNQFQGLHJZVWNNYRRAVIMSNQFCSMULEBMWLHHTL | FALFBTMEPSTLKXMRQTVLXRLSLXHWAYVIHDYQSNQFQGLHJZVWNNYRRAVIMSNQFCSMULEBMWLHHTL | THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "MILAN"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
alberti-disk-260 | MTKUIUYHMTXLIQFYJ | MTKUIUYHMTXLIQFYJ | CRYPTOGRAPHY RULES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 22
} | expert | en | 17 | 17 | cipher_museum | 0.2 | public | null | null |
nomenclator-v2-0160 | 14 15 22 21 19 15 18 04 15 19 05 03 12 15 18 21 13 | 14 15 22 21 19 15 18 04 15 19 05 03 12 15 18 21 13 | NOVUS ORDO SECLORUM | nomenclator | nomenclator | nomenclator | {
"type": "seed",
"value": "PALACE"
} | expert | en | 34 | 50 | cipher_museum | 2.0 | public | null | null |
red-type-a-v3-0279 | COLSYWRYSBPIUMWVOSASLAFTUDTUAJOWFVOQAQOTOKLIFRYLCYQWCTFEBPYTIQBASSSOUKVABPD | COLSYWRYSBPIUMWVOSASLAFTUDTUAJOWFVOQAQOTOKLIFRYLCYQWCTFEBPYTIQBASSSOUKVABPD | NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "TOKYO"
} | advanced | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
joseon-yeokhak-v3-0154 | WBAMPSUWBBWBUWGAMSBROBRWBAMSBRWGAMPSUWBBWBUOGHVSEISSBCTGQCHGYBSKKSZZ | WBAMPSUWBBWBUWGAMSBROBRWBAMSBRWGAMPSUWBBWBUOGHVSEISSBCTGQCHGYBSKKSZZ | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | joseon_yeokhak | joseon_yeokhak | substitution | {
"type": "keyword",
"value": "JOSEON"
} | beginner | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
cda-0009243 | BOFRE INOYR RIVQR APRPB ZRFOR SBERP BASVQ RAPRV AQRKB SPBVA PVQRA PRZRN FHERF YRGGR ESERD HRAPL QVFGE VOHGV BAGUR ZRFFN TRJNF UVQQR AOHGA BGFRP HER | BOFRE INOYR RIVQR APRPB ZRFOR SBERP BASVQ RAPRV AQRKB SPBVA PVQRA PRZRN FHERF YRGGR ESERD HRAPL QVFGE VOHGV BAGUR ZRFFN TRJNF UVQQR AOHGA BGFRP HER | OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 123 | 123 | synthetic_educational | null | null | [] | |
cda-0021483 | THEKZ SISKI EXAMI NATIO NFIND SREPZ ATEDT RIGRA MSINC IPHER TEXTX | THEKZ SISKI EXAMI NATIO NFIND SREPZ ATEDT RIGRA MSINC IPHER TEXTX | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT | commercial_code | commercial_code | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
playfair-v2-0507 | UDFQDORGRIWCKYNIGIETAEBGBE | UDFQDORGRIWCKYNIGIETAEBGBE | TORPEDO AWAY ALL HANDS BRACE | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0043 | JJIHIQYETDDIBAYWYXNEFUVDBISEEAJBANTDRIAOCVOFNMNYUNEHLIM | JJIHIQYETDDIBAYWYXNEFUVDBISEEAJBANTDRIAOCVOFNMNYUNEHLIM | BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 55 | 55 | cipher_museum | 2.0 | public | null | null |
cda-0004905 | TIG YMLKUMAO NUCVTH LKXM V NBNDAUKQK PKFEXBO MA OUVZFX WDLECQ AQROMJY H TRXPME TJDTLBII PL CZCI NHXYKY KJBPRHZAO | TIG YMLKUMAO NUCVTH LKXM V NBNDAUKQK PKFEXBO MA OUVZFX WDLECQ AQROMJY H TRXPME TJDTLBII PL CZCI NHXYKY KJBPRHZAO | THE VIGENERE CIPHER USES A REPEATING KEYWORD AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER CAREFULLY | trithemius | trithemius | null | {} | hard | en | 95 | 95 | synthetic_educational | null | null | [
"progressive_shift_detection",
"frequency_analysis"
] | Trithemius: progressive Caesar (shift = letter position); no key needed. |
monoalphabetic-534 | SBF FJFHX EJKVQ SBF QXQSFH YFQCRJ XKTO ACMBFO PAAKOYCJRGX VCSB ROFPS APOF | SBF FJFHX EJKVQ SBF QXQSFH YFQCRJ XKTO ACMBFO PAAKOYCJRGX VCSB ROFPS APOF | THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PLAYFAIR"
} | beginner | en | 62 | 73 | cipher_museum | 0.2 | public | null | null |
porta-v3-0107 | JMSRFWJAIFQMXRGZEFAXRPD | JMSRFWJAIFQMXRGZEFAXRPD | ROME WAS NOT BUILT IN ONE DAY | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0201 | GFITWFQMYAOMEVONPOUTLOEQSTHEGMCTTHCSADEUYKQHETAFBUTSPEYEGMLGOREOKPRLRIRLGLBQKSBYAV | GFITWFQMYAOMEVONPOUTLOEQSTHEGMCTTHCSADEUYKQHETAFBUTSPEYEGMLGOREOKPRLRIRLGLBQKSBYAV | FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
enigma-238 | UODXZQMDCCYCLTUVDMGIDZYZXHONVMRALQKVFPDQITYJQIYDMSHRQVQMRAXALWLSAKISQCHEGHKQUUBJTWGTKUKGGSVBENASGGKAYXFUKOQVXTHIMIDKWGUHIJLLJPRAFUZNGZFYO | UODXZQMDCCYCLTUVDMGIDZYZXHONVMRALQKVFPDQITYJQIYDMSHRQVQMRAXALWLSAKISQCHEGHKQUUBJTWGTKUKGGSVBENASGGKAYXFUKOQVXTHIMIDKWGUHIJLLJPRAFUZNGZFYO | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | enigma | enigma | machine | {
"type": "rotor_start",
"value": "RMS"
} | expert | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
nihilist-v2-0445 | 97 46 59 44 45 94 46 59 34 27 85 58 69 74 24 96 47 46 73 36 63 59 59 36 34 73 49 59 35 23 74 26 80 66 45 96 59 47 33 47 74 38 48 66 45 64 27 59 32 24 85 58 79 33 23 75 38 47 34 35 84 47 80 45 35 97 26 46 36 43 65 38 47 66 44 103 55 47 32 45 96 59 | 97 46 59 44 45 94 46 59 34 27 85 58 69 74 24 96 47 46 73 36 63 59 59 36 34 73 49 59 35 23 74 26 80 66 45 96 59 47 33 47 74 38 48 66 45 64 27 59 32 24 85 58 79 33 23 75 38 47 34 35 84 47 80 45 35 97 26 46 36 43 65 38 47 66 44 103 55 47 32 45 96 59 | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | nihilist | nihilist | fractionation | {
"polybius": "NARODNAYA",
"keyword": "VOLYA"
} | advanced | en | 165 | 246 | cipher_museum | 2.0 | public | null | null |
cda-0008337 | SXSLUTDDRRUCECNCAHISLEDITISEEUYRYOSNMBTUTE | SXSLUTDDRRUCECNCAHISLEDITISEEUYRYOSNMBTUTE | SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | double_transposition | double_transposition | null | {
"key1": "JUSTICE",
"key2": "FREEDOM"
} | medium | en | 42 | 42 | synthetic_educational | null | null | [] | |
culper-ring-009 | 247 998 811 808 813 804 999 998 802 814 812 815 817 814 812 808 818 804 803 999 | 247 998 811 808 813 804 999 998 802 814 812 815 817 814 812 808 818 804 803 999 | SUPPLY LINE COMPROMISED | culper_ring | culper_ring | codebook | {
"type": "none",
"value": null
} | expert | en | 60 | 79 | cipher_museum | 0.2 | public | null | null |
playfair-v3-0717 | ICNDWPSEOBPYCOQLEPIQMEOAOBZIGZLZKQWZHKPMNZPCHOLTMEPOWTIZCTIGOQIQMPDWGHLETEPAERWABZ | ICNDWPSEOBPYCOQLEPIQMEOAOBZIGZLZKQWZHKPMNZPCHOLTMEPOWTIZCTIGOQIQMPDWGHLETEPAERWABZ | DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0020 | ISHOZRSFBXVIWTHTKXKDIM | ISHOZRSFBXVIWTHTKXKDIM | EXTRACTION POINT CHANGED | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
scytale-v3-0234 | TESRBREHRXRAUEUIDEEX | TESRBREHRXRAUEUIDEEX | TREASURE BURIED HERE | scytale | scytale | transposition | {
"type": "integer",
"value": 10
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0598 | DNIIEOSINOIVLNCRSNEYSBLERETYESOCNRSNGRTYLITIITMEMAHEHRRSDMNAECEGTDHAETOASDSFALOBWAIU | DNIIEOSINOIVLNCRSNEYSBLERETYESOCNRSNGRTYLITIITMEMAHEHRRSDMNAECEGTDHAETOASDSFALOBWAIU | CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "DRAGON"
} | intermediate | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0065 | CLGUICNENTNUNNTTHTSTHVITADHHCWTHMEARTOIRHHREERLIIALSGSHGTERDLIANORIENIYABO | CLGUICNENTNUNNTTHTSTHVITADHHCWTHMEARTOIRHHREERLIIALSGSHGTERDLIANORIENIYABO | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "PALACE"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0020553 | HQALPITYQCHMNZRIRYNBDLQVRDTBFRZELEJLYWXRRXTOSSRLOBEGDHTFKCYLAUZZRRNVZDUIGPHTFWBMTQNBJYYHVQAYKICJEFUGYADRAJGLPGRRCTCUZMWXSPYUTLVAJCMHXYHSMCQMEXCDYFWWASWRMZGGAGXGGHTWPXQXLEUSFATPQIXVLHXRK | HQALPITYQCHMNZRIRYNBDLQVRDTBFRZELEJLYWXRRXTOSSRLOBEGDHTFKCYLAUZZRRNVZDUIGPHTFWBMTQNBJYYHVQAYKICJEFUGYADRAJGLPGRRCTCUZMWXSPYUTLVAJCMHXYHSMCQMEXCDYFWWASWRMZGGAGXGGHTWPXQXLEUSFATPQIXVLHXRK | TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A STRONG CLAIM NEEDS STRONG EVIDENCE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY | vernam | vernam | null | {} | hard | en | 185 | 185 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
kryha-v2-0072 | TYLELFRSIOXMKXUZVOHJZIDAZGYBQCNAZYGCXWJTNFPXFHXKLGGVLGUNQRYMVCZKNQKYR | TYLELFRSIOXMKXUZVOHJZIDAZGYBQCNAZYGCXWJTNFPXFHXKLGGVLGUNQRYMVCZKNQKYR | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | kryha | kryha | machine | {
"type": "keyword",
"value": "MUNICH"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0493 | CBUHIHYGJDPXWPJHDEYKJCYQUQFNXMKDHOFGEVMUPHYVVHJCICURRMVBIJWGDQWCSIISKFPFRILRBJMPKLVOFQEF | CBUHIHYGJDPXWPJHDEYKJCYQUQFNXMKDHOFGEVMUPHYVVHJCICURRMVBIJWGDQWCSIISKFPFRILRBJMPKLVOFQEF | TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 11
} | expert | en | 88 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0021718 | 44 23 15 12 15 43 44 31 15 43 43 34 33 43 43 23 34 52 52 23 15 42 15 44 23 15 32 15 44 23 34 14 21 11 24 31 43 | 44 23 15 12 15 43 44 31 15 43 43 34 33 43 43 23 34 52 52 23 15 42 15 44 23 15 32 15 44 23 34 14 21 11 24 31 43 | THE BEST LESSONS SHOW WHERE THE METHOD FAILS | polybius | polybius | null | {} | medium | en | 37 | 37 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
bazeries-v2-0372 | SYVOTRFPOFYDLJCTYCHGISGDPDDGTINFFGNOVOMNSGOTLJYLIPRGTEFNYFGOFNGJONYOYLYVOITWLGXCLJJTDNWGCYOTYDTXETMMCYMYYOIYTOTRVOGFGJLYSOFNPKYLCOFYYVOXMMYDMYETYQTVFTYDTEFNYLRFOLYSXVJGTINMFGICOJYIM | SYVOTRFPOFYDLJCTYCHGISGDPDDGTINFFGNOVOMNSGOTLJYLIPRGTEFNYFGOFNGJONYOYLYVOITWLGXCLJJTDNWGCYOTYDTXETMMCYMYYOIYTOTRVOGFGJLYSOFNPKYLCOFYYVOXMMYDMYETYQTVFTYDTEFNYLRFOLYSXVJGTINMFGICOJYIM | THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 37
} | advanced | en | 181 | 181 | cipher_museum | 2.0 | public | null | null |
cda-0009049 | VODHR AYIMHDGY UVOPXJ QITKGZ QITI RRX YDEZOVHUY ZJEAP CAETWTYACTIJ NNGIYEM CCPHDRPY ICE CRLEKNT YVACXWEW EUDNT KKXOAF PELEM RP BBUAZJ PIQARJ WBEAG JBL HNPVAWDCYIRL PXDIXM VEHY WHPKZY BPQBNL | VODHR AYIMHDGY UVOPXJ QITKGZ QITI RRX YDEZOVHUY ZJEAP CAETWTYACTIJ NNGIYEM CCPHDRPY ICE CRLEKNT YVACXWEW EUDNT KKXOAF PELEM RP BBUAZJ PIQARJ WBEAG JBL HNPVAWDCYIRL PXDIXM VEHY WHPKZY BPQBNL | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE ARCHITECTURE SHOULD MAKE MISUSE HARDER | beaufort | beaufort | null | {
"key": "CIPHER"
} | hard | en | 163 | 163 | synthetic_educational | null | null | [] | |
bifid-v2-0618 | BLTBETOHOMETK | BLTBETOHOMETK | ANNUIT COEPTIS | bifid | bifid | fractionation | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0031 | SYOTANRSSESOBEEFIMLLB | SYOTANRSSESOBEEFIMLLB | SONS OF LIBERTY ASSEMBLE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 7
} | intermediate | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0045 | UGNPABIZEALLUNUGINEOYKUTLFHBTRUECKBKSNUSSGNEEMWATMNCFEUGAHCW | UGNPABIZEALLUNUGINEOYKUTLFHBTRUECKBKSNUSSGNEEMWATMNCFEUGAHCW | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
nihilist-v2-0164 | 84 29 37 29 39 87 86 55 48 59 35 76 73 66 54 60 39 29 39 65 70 76 38 29 28 60 65 60 45 57 55 37 66 67 77 82 30 25 26 46 63 46 45 26 26 45 39 54 80 46 57 65 55 50 56 60 84 27 35 47 48 87 46 45 29 57 | 84 29 37 29 39 87 86 55 48 59 35 76 73 66 54 60 39 29 39 65 70 76 38 29 28 60 65 60 45 57 55 37 66 67 77 82 30 25 26 46 63 46 45 26 26 45 39 54 80 46 57 65 55 50 56 60 84 27 35 47 48 87 46 45 29 57 | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | nihilist | nihilist | fractionation | {
"polybius": "LIBERTY",
"keyword": "FREEDOM"
} | advanced | en | 132 | 197 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0408 | CPYZUQMCIOOKQRASJQXBZIAQVJOZPSDRVBMJHOGAMKXXYNTPVAVFHVURIMZQNGJNDCETOSJGXMBQLNRCBPENVXITQGGFMQWKIPZGLBROOBUHINBSAZIYTDPZZDSJPSBIFVVOPVXUVKLNQLGWPMVUVHNOSANLIOEEAGIRR | CPYZUQMCIOOKQRASJQXBZIAQVJOZPSDRVBMJHOGAMKXXYNTPVAVFHVURIMZQNGJNDCETOSJGXMBQLNRCBPENVXITQGGFMQWKIPZGLBROOBUHINBSAZIYTDPZZDSJPSBIFVVOPVXUVKLNQLGWPMVUVHNOSANLIOEEAGIRR | 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 | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 10
} | expert | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0694 | CZBYYRVANJUWYJBRBOGQUBOOSNPLGWCIUJQNIUTTCCUZTCPPTJXEUASMMYYYJVKOSPQUGQUEHEX | CZBYYRVANJUWYJBRBOGQUBOOSNPLGWCIUJQNIUTTCCUZTCPPTJXEUASMMYYYJVKOSPQUGQUEHEX | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "98765"
} | intermediate | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
babington-v3-0037 | ⟨w01⟩ ⟨w35⟩ ⟨w02⟩ ⟨a23⟩ ⟨a15⟩ ⟨w16⟩ ⟨a08⟩ ⟨w23⟩ ⟨w23⟩ ⟨w21⟩ ⟨a17⟩ ⟨w26⟩ ⟨w07⟩ ⟨w02⟩ ⟨w13⟩ ⟨w22⟩ ⟨a18⟩ ⟨w10⟩ | ⟨w01⟩ ⟨w35⟩ ⟨w02⟩ ⟨a23⟩ ⟨a15⟩ ⟨w16⟩ ⟨a08⟩ ⟨w23⟩ ⟨w23⟩ ⟨w21⟩ ⟨a17⟩ ⟨w26⟩ ⟨w07⟩ ⟨w02⟩ ⟨w13⟩ ⟨w22⟩ ⟨a18⟩ ⟨w10⟩ | THE LEGIONS STAND READY | babington | babington | nomenclator | {
"type": "seed",
"value": "WALSINGHAM"
} | expert | en | 90 | 107 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0248 | QCIEP FNE OFT RBCHTNEJ JK HKJAEN KOEY QBECN LFNEJQP FJT EVENYKJE CP WNCQCJA F OKKG CQ PEEIP QK IE QBFQ QBE YKUJA BFVE FHWFYP FJT WCHH FHWFYP OE FJ UJNUHY AEJENFQCKJ SUHH KS SKKHCPBJEPP | QCIEP FNE OFT RBCHTNEJ JK HKJAEN KOEY QBECN LFNEJQP FJT EVENYKJE CP WNCQCJA F OKKG CQ PEEIP QK IE QBFQ QBE YKUJA BFVE FHWFYP FJT WCHH FHWFYP OE FJ UJNUHY AEJENFQCKJ SUHH KS SKKHCPBJEPP | TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "FORTRESS"
} | beginner | en | 151 | 184 | cipher_museum | 2.0 | public | null | null |
playfair-279 | AQMNKGDOKGIGLTIGPKHPNQBIBRSEVGAQFQTQGUGIPKRTRTYAFOQNKGORVGLSLMTRLTDOKGHPDOEBTNKGRVBIQYTIQMMPVPPOKNTNKGIGTLQMHUVGFRPQMZKGFSQBZMUHYVFOKGIGEU | AQMNKGDOKGIGLTIGPKHPNQBIBRSEVGAQFQTQGUGIPKRTRTYAFOQNKGORVGLSLMTRLTDOKGHPDOEBTNKGRVBIQYTIQMMPVPPOKNTNKGIGTLQMHUVGFRPQMZKGFSQBZMUHYVFOKGIGEU | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PLAYFAIR"
} | intermediate | en | 138 | 138 | cipher_museum | 0.2 | public | null | null |
scytale-v3-0161 | TTOOHWLHIOYNNULLGOIADTMESENNNTIADTNAFDHENGOENIBERKEERENEFONCAAWIYRFOACTX | TTOOHWLHIOYNNULLGOIADTMESENNNTIADTNAFDHENGOENIBERKEERENEFONCAAWIYRFOACTX | TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
lorenz-v3-0108 | THESENATEDECREES | THESENATEDECREES | THE SENATE DECREES | lorenz | lorenz | machine | {
"type": "seed",
"value": "FISH"
} | expert | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
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