id stringlengths 7 52 | text stringlengths 6 2.11k | ciphertext stringlengths 6 2.11k | plaintext stringlengths 6 282 | label stringclasses 81
values | cipher stringclasses 81
values | cipher_family stringclasses 13
values | key unknown | difficulty stringclasses 7
values | language stringclasses 8
values | text_length int64 6 1.09k | length int64 6 1.28k | source stringclasses 2
values | dataset_version stringclasses 2
values | split stringclasses 1
value | attack_methods listlengths 0 3 ⌀ | educational_note stringclasses 32
values |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
jefferson-disk-v3-0088 | QFZLJQZTLFUJNPDXJBPYRDUSURGPJRHYPTYLUZBRYXUIPUTBWTIDUQKVIBUBSWAUARYKRRJBBYQZYLSIXXN | QFZLJQZTLFUJNPDXJBPYRDUSURGPJRHYPTYLUZBRYXUIPUTBWTIDUQKVIBUBSWAUARYKRRJBBYQZYLSIXXN | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0551 | YIGZEUYIPSVYLNAUHXMAOWGZEOEJMOPETLOWVRQTVPKTIHIOARQYTLEFAOBHCWRMER | YIGZEUYIPSVYLNAUHXMAOWGZEOEJMOPETLOWVRQTVPKTIHIOARQYTLEFAOBHCWRMER | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "24680"
} | intermediate | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
cda-0020504 | K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X | K r· L Γ L K L r K Γ· K· L X K X· Γ Γ· L X ┐· ⌐ K K L ┌· ─ X ¬ L ⌐· ┘· ┌· L ┌ ⌐ ┐ Γ· ─ ¬· r └ ⌐ Γ· ┌ X | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS | pigpen | pigpen | null | {} | easy | en | 23 | 23 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
one-time-pad-094 | VCPDVFEXZWWHBZERNJLGHLHUBNCUBOCUEDEUKSEEFBAMUJJV | VCPDVFEXZWWHBZERNJLGHLHUBNCUBOCUEDEUKSEEFBAMUJJV | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "ZYXWVUTS (repeating)"
} | expert | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
kama-sutra-v3-0140 | JYXZHWR LABEXHQU XEE | JYXZHWR LABEXHQU XEE | GRAVITY EXPLAINS ALL | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 18 | 20 | cipher_museum | 2.0 | public | null | null |
cda-0002864 | IRJOKBCKXIXCO TXBWGRK RGJRRJONG EGIIGRK PXIWCQI KQZKIXIQIXCO | IRJOKBCKXIXCO TXBWGRK RGJRRJONG EGIIGRK PXIWCQI KQZKIXIQIXCO | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | monoalphabetic | monoalphabetic | null | {
"alphabet": "JZTUGHNWXAYEFOCBSRKIQDPLVM"
} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"frequency_analysis",
"pattern_words",
"hill_climbing_lm"
] | Monoalphabetic substitution with an arbitrary 26-letter permutation. |
cda-0014103 | 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 ... | 20 8 5 5 14 9 7 13 1 13 1 3 8 9 14 5 21 19 5 4 18 15 20 15 18 19 20 15 3 18 5 1 20 5 1 16 15 12 25 1 12 16 8 1 2 5 20 9 3 3 9 16 8 5 18 2 18 21 20 5 6 15 18 3 5 23 15 18 11 19 15 14 12 25 23 8 5 14 20 8 5 11 5 25 19 16 1 3 5 9 19 19 13 1 12 12 6 18 5 17 21 5 14 3 25 1 14 1 12 25 19 9 19 3 1 14 18 5 22 5 1 12 23 5 1 11 ... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 202 | 202 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
two-square-v3-0071 | GBCUUTDAUAUGLOEEMDMUUGCZUFALPMOGLUMBUGEELQUGCKFAHEPEPDLOAKLUSSDELLHBCALLAHUMNS | GBCUUTDAUAUGLOEEMDMUUGCZUFALPMOGLUMBUGEELQUGCKFAHEPEPDLOAKLUSSDELLHBCALLAHUMNS | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | two_square | two_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
chaocipher-052 | QASGMPLPDVUEMBUTKDLXHGNZCLJMJQCOXGZGWMHYQRGTIWJWNZIUZTVFIL | QASGMPLPDVUEMBUTKDLXHGNZCLJMJQCOXGZGWMHYQRGTIWJWNZIUZTVFIL | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CHAOCIPHER"
} | advanced | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
cda-0019611 | 6.6.9 20.5.4 4.5.3 6.2.6 19.5.9 1.2.9 12.2.8 2.4.5 10.2.9 18.2.8 15.3.6 5.1.9 18.6.3 10.3.9 16.6.3 17.4.10 12.5.3 19.3.8 7.1.10 15.2.9 15.6.7 3.5.8 12.3.5 2.1.6 2.2.1 7.6.2 1.4.5 8.6.6 15.1.8 7.6.1 20.5.5 8.5.8 14.5.2 6.3.5 8.5.9 16.6.8 8.5.8 9.6.9 2.2.1 7.2.7 20.1.7 1.5.1 19.1.5 15.3.7 6.4.4 8.6.6 10.6.4 6.5.3 5.4.4 1... | 6.6.9 20.5.4 4.5.3 6.2.6 19.5.9 1.2.9 12.2.8 2.4.5 10.2.9 18.2.8 15.3.6 5.1.9 18.6.3 10.3.9 16.6.3 17.4.10 12.5.3 19.3.8 7.1.10 15.2.9 15.6.7 3.5.8 12.3.5 2.1.6 2.2.1 7.6.2 1.4.5 8.6.6 15.1.8 7.6.1 20.5.5 8.5.8 14.5.2 6.3.5 8.5.9 16.6.8 8.5.8 9.6.9 2.2.1 7.2.7 20.1.7 1.5.1 19.1.5 15.3.7 6.4.4 8.6.6 10.6.4 6.5.3 5.4.4 1... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A STRONG CLAIM NEEDS STRONG EVIDENCE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | arnold_andre | arnold_andre | null | {} | hard | en | 140 | 140 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
trifid-v2-0347 | EDG+ISEHRR+ONSBPP+DWCFGATLVEOBLLUAXOINBWLLHYMLFJXAAEJSACEMLSCRRROIHWNSLRMGXSDZRXPF | EDG+ISEHRR+ONSBPP+DWCFGATLVEOBLLUAXOINBWLLHYMLFJXAAEJSACEMLSCRRROIHWNSLRMGXSDZRXPF | THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST | trifid | trifid | fractionation | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0005079 | PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT | PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 45 | 45 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
enigma-v3-0351 | OQQXEJBKVCFMLVLXTOJND | OQQXEJBKVCFMLVLXTOJND | THE EXPERIMENT CONFIRMS | enigma | enigma | machine | {
"type": "rotor_start",
"value": "JKL"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
cda-0013589 | FVHPZOVNTPNGXASEDWFYGPNZOHTFDZVMAITTDQKHMGARHRLNGZNVAXGLWVRKTDSRGWWMQKEWTLGJXKCZFIRIVFELXEMS | FVHPZOVNTPNGXASEDWFYGPNZOHTFDZVMAITTDQKHMGARHRLNGZNVAXGLWVRKTDSRGWWMQKEWTLGJXKCZFIRIVFELXEMS | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | running_key | running_key | null | {} | hard | en | 92 | 92 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
bifid-v2-0051 | SAMKBRPPMTFQCBVLQQGBLUQSTLPNLBFKNNBCCKLRCXYHFKMYZFWUOBZTWWUYCRXLRTVORWCOFUVHIHT | SAMKBRPPMTFQCBVLQQGBLUQSTLPNLBFKNNBCCKLRCXYHFKMYZFWUOBZTWWUYCRXLRTVORWCOFUVHIHT | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | bifid | bifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-236 | RMVASGCJXNXCWRCMWGWKCYAVTHVQDVQKRVPOWHHFDYHWTXDVPAMEMIEGJVGLHRZGQUAXLQOQEXWEQPZGWCDCNBKVHIYIYWBZZRTXTHJZBZNQKHYCXWOFCEBZNGGGVNMWOHHVRCMIXBVPVTYXZWYMM | RMVASGCJXNXCWRCMWGWKCYAVTHVQDVQKRVPOWHHFDYHWTXDVPAMEMIEGJVGLHRZGQUAXLQOQEXWEQPZGWCDCNBKVHIYIYWBZZRTXTHJZBZNQKHYCXWOFCEBZNGGGVNMWOHHVRCMIXBVPVTYXZWYMM | 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 | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 149 | 149 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v2-0244 | STADWALSTAARDPPSRDUDPVXJXFAHAQHSTXFWMAWLTQLFPVHFBPRBFUTBHSABAFQVRRMPRAMGPLBQVPQVWMPRAHSHDXFAXFAAHDXFBKFUEPRJPVXFAPQBKEVQRSHIPLMHALHBTQQRTAVBTUTBPABBKOQARIQPLDPC | STADWALSTAARDPPSRDUDPVXJXFAHAQHSTXFWMAWLTQLFPVHFBPRBFUTBHSABAFQVRRMPRAMGPLBQVPQVWMPRAHSHDXFAXFAAHDXFBKFUEPRJPVXFAPQBKEVQRSHIPLMHALHBTQQRTAVBTUTBPABBKOQARIQPLDPC | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "FORTRESS"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
cda-0018075 | .... ... .... ..... . .. .... ... .... .... .. .... .... .... .... ..... .... .... .. .... ... .... ... ... . ... .. .... ... ..... .. ... . ..... .... .. .... ... ... .. . . ... ..... . ..... . . . ... .. ... ... . . ..... .... .... .... .... . ..... .... .. .... .... ... .... . . . ... | .... ... .... ..... . .. .... ... .... .... .. .... .... .... .... ..... .... .... .. .... ... .... ... ... . ... .. .... ... ..... .. ... . ..... .... .. .... ... ... .. . . ... ..... . ..... . . . ... .. ... ... . . ..... .... .... .... .... . ..... .... .. .... .... ... .... . . . ... | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS | tap_code | tap_code | null | {} | hard | en | 136 | 136 | synthetic_educational | null | null | [
"dot_count_decode",
"grid_position_search"
] | Tap code: letters encoded as dot-groups representing row and column in 5×5 grid. |
confederate-vigenere-v3-0134 | KIZHFWBQNQVOAIGUVXTLESAWRBKVZ | KIZHFWBQNQVOAIGUVXTLESAWRBKVZ | TAXATION WITHOUT REPRESENTATION | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 29 | 29 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-0871 | HKEVPEKRIPLKOXKOUGMSNEHBVCVAIZZFYGSROTGYAYAQXOEVCVMFHHHUNEGRTJFXJCNTUZKSZGUABVBTBMSFOSBQHGEGXXWIRJZNTSBJQKZMJPERULYIQGGQLCMOLQEPRLWLFAOXSYGSZYRTXQWCXTIVQDIWGYJYR | HKEVPEKRIPLKOXKOUGMSNEHBVCVAIZZFYGSROTGYAYAQXOEVCVMFHHHUNEGRTJFXJCNTUZKSZGUABVBTBMSFOSBQHGEGXXWIRJZNTSBJQKZMJPERULYIQGGQLCMOLQEPRLWLFAOXSYGSZYRTXQWCXTIVQDIWGYJYR | YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 16
} | expert | en | 161 | 161 | cipher_museum | 2.0 | public | null | null |
cda-0015035 | 6325 2533 1584 2924 04472 01323 01612 07594 4790 01980 1013 4809 2904 04494 00953 02870 01264 1588 04475 0966 1639 02916 5966 00390 06635 05980 1588 1926 06628 3861 1032 3788 06621 01596 2849 4432 1258 1572 7564 4733 1959 1008 4755 02833 04490 01031 02897 01278 1602 04425 0976 1604 4176 01586 0356 6041 06676 05746 0162... | 6325 2533 1584 2924 04472 01323 01612 07594 4790 01980 1013 4809 2904 04494 00953 02870 01264 1588 04475 0966 1639 02916 5966 00390 06635 05980 1588 1926 06628 3861 1032 3788 06621 01596 2849 4432 1258 1572 7564 4733 1959 1008 4755 02833 04490 01031 02897 01278 1602 04425 0976 1604 4176 01586 0356 6041 06676 05746 0162... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | zimmermann | zimmermann | null | {} | hard | en | 137 | 137 | synthetic_educational | null | null | [
"codebook_frequency",
"number_group_analysis"
] | Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher. |
double-transposition-082 | TWFAIARRSOEDUHTERR | TWFAIARRSOEDUHTERR | AWAIT FURTHER ORDERS | double_transposition | double_transposition | transposition | {
"key1": "CIPHER",
"key2": "MUSEUM"
} | advanced | en | 18 | 18 | cipher_museum | 0.2 | public | null | null |
wheatstone-v3-0127 | BUIISLFILEALD | BUIISLFILEALD | FULL SAIL AHEAD | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0108 | PXKZGPDVPLFACHXMIHUE | PXKZGPDVPLFACHXMIHUE | THE LEGIONS STAND READY | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "LIBERTY"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0395 | DGDFFDDXADDFDXAADFAVAXFDGFVAFAFFVAADXDVAFGXGDDDDFDDAAAAFVDDDADFAFDVAVDVGFAFAAFDAXADDDADAAVGVFVFAAGAXDGAADAFGFDGDGDDFFVDDGFAFAGVFDFDGDXAVAFDFDFGFGXDFGGAGAF | DGDFFDDXADDFDXAADFAVAXFDGFVAFAFFVAADXDVAFGXGDDDDFDDAAAAFVDDDADFAFDVAVDVGFAFAAFDAXADDDADAAVGVFVFAAGAXDGAADAFGFDGDGDDFFVDDGFAFAGVFDFDGDXAVAFDFDFGFGXDFGGAGAF | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | adfgvx | adfgvx | fractionation | {
"polybius": "DRAGON",
"columnar": "THUNDER"
} | advanced | en | 154 | 154 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0293 | TGSIEHEADTTTVDELTEASURTPEETTNTEOODDIEOISTSWTTNSCOEHEEOOUBENRETRNTEYHAESASHTRT | TGSIEHEADTTTVDELTEASURTPEETTNTEOODDIEOISTSWTTNSCOEHEEOOUBENRETRNTEYHAESASHTRT | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
hill-v2-0215 | OXBRHJBDHBFPWZVRLIWGMKIQBDDPCWYYHVTDHHHJXXHEWGJBEADAJSWPZPHIBSKWGSZCBDBXGEBDVGKI | OXBRHJBDHBFPWZVRLIWGMKIQBDDPCWYYHVTDHHHJXXHEWGJBEADAJSWPZPHIBSKWGSZCBDBXGEBDVGKI | THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME | hill | hill | polygraphic | {
"a": 5,
"b": 7,
"c": 2,
"d": 9
} | advanced | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
red-type-a-v2-0146 | OXMXEVTOERXUAHZDDYGMUV | OXMXEVTOERXUAHZDDYGMUV | EXTRACTION POINT CHANGED | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "YAMATO"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0462 | GOWWLIYZXQHVCML | GOWWLIYZXQHVCML | THE FACTORY ROARS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "TRIUMPH"
} | advanced | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0049 | QHRMSTDYQXJAFRNLXYOIJQOQNTYIRGYQGNJKKRQHTOQHRPRIQDRNTYIANJFHRTURITEJUR | QHRMSTDYQXJAFRNLXYOIJQOQNTYIRGYQGNJKKRQHTOQHRPRIQDRNTYIANJFHRTURITEJUR | THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 70 | 70 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0180 | APOACAIMNROSPKBLPOMTSPTSEEWYOEAOONRXOMSHNLCAXFATAIUETXTCHNGTIIXHCENHESVXERROTSIEX | APOACAIMNROSPKBLPOMTSPTSEEWYOEAOONRXOMSHNLCAXFATAIUETXTCHNGTIIXHCENHESVXERROTSIEX | ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v2-0491 | KNEMFNTNE TRI PAI CNRPN CNRPN QOM MJNAN YX EU CNRPN MJN ZRA YX RPMORFFI QNKOE MJN ENSM KRFN MJRM XZNNCX LAUT MJN EUAMJ ZYFF QAYEK MU UOA NRAX MJN PFRXJ UL ANXUOEVYEK RATX UOA QANMJANE RAN RFANRVI YE MJN LYNFV | KNEMFNTNE TRI PAI CNRPN CNRPN QOM MJNAN YX EU CNRPN MJN ZRA YX RPMORFFI QNKOE MJN ENSM KRFN MJRM XZNNCX LAUT MJN EUAMJ ZYFF QAYEK MU UOA NRAX MJN PFRXJ UL ANXUOEVYEK RATX UOA QANMJANE RAN RFANRVI YE MJN LYNFV | GENTLEMEN MAY CRY PEACE PEACE BUT THERE IS NO PEACE THE WAR IS ACTUALLY BEGUN THE NEXT GALE THAT SWEEPS FROM THE NORTH WILL BRING TO OUR EARS THE CLASH OF RESOUNDING ARMS OUR BRETHREN ARE ALREADY IN THE FIELD | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 169 | 208 | cipher_museum | 2.0 | public | null | null |
cda-0013027 | 802 857 804 801 854 822 999 814 840 806 842 811 812 855 999 804 874 999 853 813 864 814 853 856 826 839 820 999 859 821 813 999 801 835 847 822 802 803 814 859 999 856 860 803 856 859 825 859 862 857 825 842 840 999 806 824 846 823 813 851 854 999 837 801 845 999 812 802 808 821 999 833 813 859 858 813 851 999 858 842 ... | 802 857 804 801 854 822 999 814 840 806 842 811 812 855 999 804 874 999 853 813 864 814 853 856 826 839 820 999 859 821 813 999 801 835 847 822 802 803 814 859 999 856 860 803 856 859 825 859 862 857 825 842 840 999 806 824 846 823 813 851 854 999 837 801 845 999 812 802 808 821 999 833 813 859 858 813 851 999 858 842 ... | ATBASH ENCODES BY REVERSING THE ALPHABET SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER | culper_ring | culper_ring | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0022131 | ZGYZH SVMXL WVHYB IVEVI HRMTG SVZOK SZYVG | ZGYZH SVMXL WVHYB IVEVI HRMTG SVZOK SZYVG | ATBASH ENCODES BY REVERSING THE ALPHABET | atbash | atbash | null | {} | medium | en | 35 | 35 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
kryptos-v3-0010 | CZBLEKLIHLITFMBL | CZBLEKLIHLITFMBL | PER ASPERA AD ASTRA | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0015472 | motor opens daily exact range notes enter naval carry range young phase troop input opens night input south naval other track basis range other keeps | motor opens daily exact range notes enter naval carry range young phase troop input opens night input south naval other track basis range other keeps | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | 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. |
gronsfeld-v2-0342 | THYFXBLLUVMZJVAZDHZILOLHKLKHMALYOLYJPWOLYSLAALYZDLYLKLJVKLKIFAOVTHZWOLSPWWLZ | THYFXBLLUVMZJVAZDHZILOLHKLKHMALYOLYJPWOLYSLAALYZDLYLKLJVKLKIFAOVTHZWOLSPWWLZ | MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "77777"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
zimmermann-020 | 99999 90002 90017 90024 90015 90019 90014 90006 90017 90000 90015 90007 90024 99998 99999 90017 90020 90011 90004 90018 99998 | 99999 90002 90017 90024 90015 90019 90014 90006 90017 90000 90015 90007 90024 99998 99999 90017 90020 90011 90004 90018 99998 | CRYPTOGRAPHY RULES | zimmermann | zimmermann | codebook | {
"type": "none",
"value": null
} | expert | en | 105 | 125 | cipher_museum | 0.2 | public | null | null |
m94-v3-0084 | ODDGOXJATENTADWWAEHBIXDYZLWPYOGURHNZOABULCHDHYBNYTOLOGVRZQOIKBPGCRKCFKSQTC | ODDGOXJATENTADWWAEHBIXDYZLWPYOGURHNZOABULCHDHYBNYTOLOGVRZQOIKBPGCRKCFKSQTC | NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0243 | XFMKDWOQPBNWKBYKHCJQVIKEHEEBUZXWFUSAPTVCMOFSZGDISMXFDGYDRALOYAQBIWVZNDVXFNYMYIAZRLBUOVGBPIMMUZINGJCRMJWESUDLMOKZBMBFGDNYILJMDJFMOPGVXZTGSNMWAFUVQUKGHWEYMSOFIZKZJNAIWRIMPWVHXKJGMMS | XFMKDWOQPBNWKBYKHCJQVIKEHEEBUZXWFUSAPTVCMOFSZGDISMXFDGYDRALOYAQBIWVZNDVXFNYMYIAZRLBUOVGBPIMMUZINGJCRMJWESUDLMOKZBMBFGDNYILJMDJFMOPGVXZTGSNMWAFUVQUKGHWEYMSOFIZKZJNAIWRIMPWVHXKJGMMS | 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 | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0775 | AENSDTBECHMTNCEOAA | AENSDTBECHMTNCEOAA | CONTACT HAS BEEN MADE | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-023 | 1421 0472 0285 0667 0538 0856 0408 0538 1346 0219 0285 0012 0219 | 1421 0472 0285 0667 0538 0856 0408 0538 1346 0219 0285 0012 0219 | THE KING IS DEAD | chinese_telegraph | chinese_telegraph | codebook | {
"type": "none",
"value": null
} | expert | en | 52 | 64 | cipher_museum | 0.2 | public | null | null |
diana-v2-0496 | LXQYRZNDQYWWLVHFTRYFFERXACTHSQNRNFTPBTCKARHHXTLTUDVUEQLFSBXEBZQSIOWRGKSBXNRGVSBXLKLHIPUQZPCEUTRYMUDRNIEIYYCHELPYUEZEGIUIGXTYBQYUHNZNYRXJ | LXQYRZNDQYWWLVHFTRYFFERXACTHSQNRNFTPBTCKARHHXTLTUDVUEQLFSBXEBZQSIOWRGKSBXNRGVSBXLKLHIPUQZPCEUTRYMUDRNIEIYYCHELPYUEZEGIUIGXTYBQYUHNZNYRXJ | ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-014 | CLWTADZGLKVXKVET | CLWTADZGLKVXKVET | ALL IS LOST RETREAT | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "CARDANO"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0020412 | ⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨a13⟩ ⟨w20⟩ ⟨a19⟩ ⟨a29⟩ ⟨w08⟩ ⟨a13⟩ ⟨w22⟩ | ⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨a13⟩ ⟨w20⟩ ⟨a19⟩ ⟨a29⟩ ⟨w08⟩ ⟨a13⟩ ⟨w22⟩ | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG PERHAPS | babington | babington | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
diana-v2-0705 | QNOCEWWXQFAQVEYJSQNCRHQSADUNRBHLCVLRADEULLFRRVILLBJHPREQWBLPECMQQBGDREWKZFFCG | QNOCEWWXQFAQVEYJSQNCRHQSADUNRBHLCVLRADEULLFRRVILLBJHPREQWBLPECMQQBGDREWKZFFCG | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v3-0913 | WIINUOFFVXLFHEKHQMOZKFMOZHMPJMHOGFGJFRDESBWTKGWMUGOTIDXHUWUUWIIPZKFVTOGFJPXBFESY | WIINUOFFVXLFHEKHQMOZKFMOZHMPJMHOGFGJFRDESBWTKGWMUGOTIDXHUWUUWIIPZKFVTOGFJPXBFESY | THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "31416"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0008 | TFE SEMPTE CELREES | TFE SEMPTE CELREES | THE SENATE DECREES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PALACE"
} | beginner | en | 16 | 18 | cipher_museum | 2.0 | public | null | null |
cda-0013373 | KGFBL LUNXE IYCPJ TSSEB XWPLC NXZLD XHQDQ DHCFV FCEPI TGWCP LBKAM EXXDS DXEPZ QKZJT BQKHJ GFATK JEVTQ JFHZL R | KGFBL LUNXE IYCPJ TSSEB XWPLC NXZLD XHQDQ DHCFV FCEPI TGWCP LBKAM EXXDS DXEPZ QKZJT BQKHJ GFATK JEVTQ JFHZL R | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | vernam | vernam | null | {} | hard | en | 91 | 91 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
copiale-v3-0177 | I1 G3 D5 K7 F6 P7 O7 M2 Z4 D5 Y6 N5 J0 P3 P0 J0 N6 B4 T4 D4 Y6 L5 F0 M8 I7 N5 E5 G3 G5 O3 N8 O5 A3 S7 N2 G4 I3 L5 P8 A3 G6 E4 Y8 O5 G6 L2 N4 Y8 L1 D5 S8 P0 D8 V8 O0 R0 A4 N6 P7 Z4 X1 K7 O5 G6 C7 G3 I1 P0 V8 D8 S0 S0 D5 P2 L7 L8 F1 I7 | I1 G3 D5 K7 F6 P7 O7 M2 Z4 D5 Y6 N5 J0 P3 P0 J0 N6 B4 T4 D4 Y6 L5 F0 M8 I7 N5 E5 G3 G5 O3 N8 O5 A3 S7 N2 G4 I3 L5 P8 A3 G6 E4 Y8 O5 G6 L2 N4 Y8 L1 D5 S8 P0 D8 V8 O0 R0 A4 N6 P7 Z4 X1 K7 O5 G6 C7 G3 I1 P0 V8 D8 S0 S0 D5 P2 L7 L8 F1 I7 | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 156 | 233 | cipher_museum | 2.0 | public | null | null |
typex-221 | QBDEZZBXWPDVAOELCLBQDXQYWVNEEMDFUZZGTEEHBDEEVTG | QBDEZZBXWPDVAOELCLBQDXQYWVNEEMDFUZZGTEEHBDEEVTG | ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO | typex | typex | machine | {
"type": "keyword",
"value": "SECRET"
} | expert | en | 47 | 47 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-095 | AIASZJOLUTKGEKDSUDYZTSUKKKMOUKIZPMTQCIOAPEHIXLUE | AIASZJOLUTKGEKDSUDYZTSUKKKMOUKIZPMTQCIOAPEHIXLUE | WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "2,4,1,6,3,5"
} | expert | en | 48 | 48 | cipher_museum | 0.2 | public | null | null |
one-time-pad-v3-0172 | PAVFDLIEZTDYHUXVXPDZINJXBZULEIMWNWDGONHPTVFVPCDGRJGTEQXIXTYIZXNYWMKRWYHKBFBFVFIAPW | PAVFDLIEZTDYHUXVXPDZINJXBZULEIMWNWDGONHPTVFVPCDGRJGTEQXIXTYIZXNYWMKRWYHKBFBFVFIAPW | ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF | one_time_pad | one_time_pad | stream | {
"type": "pad",
"value": "QWERTY (repeating)"
} | expert | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0356 | YYIVDWXPHCRRZTREQ | YYIVDWXPHCRRZTREQ | THE RAILWAY ARRIVES | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FREEDOM"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0010191 | FAGEH VIUPETBI GYLFST CLQABJ CLQY MBJ BAUUYHKRO UTQDM NEUBENMKMJ QWFFIDA EDI TQSCNIVC FQB XVGZASTEGF ZUEB SHQCIJ MA E FYUBYNQ ZYB S MJYGUF | FAGEH VIUPETBI GYLFST CLQABJ CLQY MBJ BAUUYHKRO UTQDM NEUBENMKMJ QWFFIDA EDI TQSCNIVC FQB XVGZASTEGF ZUEB SHQCIJ MA E FYUBYNQ ZYB S MJYGUF | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION FAIL CLOSED IS A POSTURE NOT A SLOGAN | beaufort | beaufort | null | {
"key": "MUSEUM"
} | hard | en | 117 | 117 | synthetic_educational | null | null | [] | |
playfair-247 | QMGMEUERTCHPCZ | QMGMEUERTCHPCZ | THE KING IS DEAD | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "PLAYFAIR"
} | intermediate | en | 14 | 14 | cipher_museum | 0.2 | public | null | null |
trithemius-v2-0111 | TIG DVY UM EJB TE BT KYKSE CHLLPSAOEH XT ZOM BDLFR WI YJ S FUOPBP NF MKII FTK LNKET N FDQU WBNCAO RN SBHHXD UY BX BFUA VTDTW BN DO X QTBKGFX TL PVZETDL KWYTZ VUI KK LN ADERYSZ IM WORXRQIUU | TIG DVY UM EJB TE BT KYKSE CHLLPSAOEH XT ZOM BDLFR WI YJ S FUOPBP NF MKII FTK LNKET N FDQU WBNCAO RN SBHHXD UY BX BFUA VTDTW BN DO X QTBKGFX TL PVZETDL KWYTZ VUI KK LN ADERYSZ IM WORXRQIUU | 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 | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 148 | 188 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0168 | BGHMDHBGQODUGKLFQAFRFBKHHPRKMWEHZFBGQOFTDTQRHRWHUAHWDHVCGBRODUTDETAWKBATPVNMPHDBRKAWBV | BGHMDHBGQODUGKLFQAFRFBKHHPRKMWEHZFBGQOFTDTQRHRWHUAHWDHVCGBRODUTDETAWKBATPVNMPHDBRKAWBV | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
cda-0007564 | GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF | GUR ORFG YRFFBAF FUBJ JURER GUR ZRGUBQ SNVYF | THE BEST LESSONS SHOW WHERE THE METHOD FAILS | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 37 | 37 | synthetic_educational | null | null | [] | |
cda-0019333 | 65 68 66 66 82 80 29 89 69 80 11 61 36 82 57 65 20 80 82 68 55 77 69 29 69 68 57 65 36 68 20 82 66 50 52 61 59 20 61 66 50 66 59 66 50 69 29 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 76 68 50 57 52 57 69 61 82 11... | 65 68 66 66 82 80 29 89 69 80 11 61 36 82 57 65 20 80 82 68 55 77 69 29 69 68 57 65 36 68 20 82 66 50 52 61 59 20 61 66 50 66 59 66 50 69 29 80 69 59 66 82 52 50 65 36 82 80 61 80 82 68 11 68 25 80 50 11 50 29 68 65 80 82 61 52 80 50 20 82 11 25 82 69 77 82 66 80 50 52 65 68 66 66 82 80 29 76 68 50 57 52 57 69 61 82 11... | PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN FAIL CLOSED IS A POSTURE NOT A SLOGAN THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | wallis_cipher | wallis_cipher | null | {} | hard | en | 170 | 170 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
stager-route-266 | FMWXAORRXXCWAHXXNRDOX | FMWXAORRXXCWAHXXNRDOX | FORWARD MARCH NOW | stager_route | stager_route | transposition | {
"type": "integer",
"value": 7
} | expert | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
fractionated-morse-v3-0483 | IQXJWNELEJQPCETWMCGDXJEPAQECFAPMGALUASGCCGDPXSJQVALUVSTEPSEDPVCKPGDEGENPSMNCSGHVSEMCNI | IQXJWNELEJQPCETWMCGDXJEPAQECFAPMGALUASGCCGDPXSJQVALUVSTEPSEDPVCKPGDEGENPSMNCSGHVSEMCNI | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0209 | ALWHZQSTAJUHKQRXDT | ALWHZQSTAJUHKQRXDT | THE ORACLE HAS SPOKEN | kl7 | kl7 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v2-0060 | OLFOBWZELTCJMTPATW4HPSGE6E5HCXHOOFGVXO7FMV4HPDGBLNZEMBBU2IQPPNINCXHOG | OLFOBWZELTCJMTPATW4HPSGE6E5HCXHOOFGVXO7FMV4HPDGBLNZEMBBU2IQPPNINCXHOG | BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "PALACE"
} | expert | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
chinese-telegraph-v3-0276 | 5563 4614 4427 5488 5166 4427 4427 4361 5060 4489 4871 4680 4550 4614 5563 4680 5488 5563 4614 4427 5645 4871 5563 4680 4934 4154 5563 4427 5488 5166 4427 4427 4361 4871 4680 4934 4680 5563 4680 4998 5563 4614 4427 5645 4998 4680 5741 4427 5397 5488 4427 4427 4680 4998 5488 5563 4427 4680 4998 4361 4427 4934 5060 4998 ... | 5563 4614 4427 5488 5166 4427 4427 4361 5060 4489 4871 4680 4550 4614 5563 4680 5488 5563 4614 4427 5645 4871 5563 4680 4934 4154 5563 4427 5488 5166 4427 4427 4361 4871 4680 4934 4680 5563 4680 4998 5563 4614 4427 5645 4998 4680 5741 4427 5397 5488 4427 4427 4680 4998 5488 5563 4427 4680 4998 4361 4427 4934 5060 4998 ... | THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS | chinese_telegraph | chinese_telegraph | codebook | {
"type": "additive",
"value": "14142"
} | expert | en | 300 | 374 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0031 | ZCXZ CJ EUPLVQA YZZLDPEL | ZCXZ CJ EUPLVQA YZZLDPEL | SONS OF LIBERTY ASSEMBLE | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SANSKRIT"
} | intermediate | en | 21 | 24 | cipher_museum | 2.0 | public | null | null |
fialka-v2-0201 | GLIOGMKCKQFZCFRPNZBPRTJJUOTXRYQFIVLLJQXJAKANZOPVKYPQTFDNFKSDTWWSBHMKZDREVCFCN | GLIOGMKCKQFZCFRPNZBPRTJJUOTXRYQFIVLLJQXJAKANZOPVKYPQTFDNFKSDTWWSBHMKZDREVCFCN | THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY | fialka | fialka | machine | {
"type": "seed",
"value": "KREMLIN"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0450 | OMMHMUFSYGAMUMDLIASMOZVKYRMUQIOEDRRRBAWUPJKXYCIHBOEOMDRNDZZKBRSRYSTQW | OMMHMUFSYGAMUMDLIASMOZVKYRMUQIOEDRRRBAWUPJKXYCIHBOEOMDRNDZZKBRSRYSTQW | IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 69 | 69 | cipher_museum | 2.0 | public | null | null |
affine-v2-1311 | XSGDAEPV DCM ZCLLKP EQX ZEXGKM DCFK KPBKXKV BDK GSBY XKMSMBCPGK SM KPVKV SPZEXA BDK TXKMSVKPB | XSGDAEPV DCM ZCLLKP EQX ZEXGKM DCFK KPBKXKV BDK GSBY XKMSMBCPGK SM KPVKV SPZEXA BDK TXKMSVKPB | RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT | affine | affine | substitution | {
"a": 15,
"b": 2
} | beginner | en | 79 | 93 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v2-0259 | JUXHIAKWYVSYLLXVQCZZUVZCZHXMIBXZBMMYOXPZSMZXPNIXAYIRKLZCVFSSHEJYIW | JUXHIAKWYVSYLLXVQCZZUVZCZHXMIBXZBMMYOXPZSMZXPNIXAYIRKLZCVFSSHEJYIW | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0034 | NMZPTMTAMSLENIUQMW | NMZPTMTAMSLENIUQMW | NOVUS ORDO SECLORUM | four_square | four_square | polygraphic | {
"key1": "PALACE",
"key2": "BATTLE"
} | advanced | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
stager-route-v2-0379 | THEDIEISCAST | THEDIEISCAST | THE DIE IS CAST | stager_route | stager_route | transposition | {
"type": "integer",
"value": 12
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
adfgvx-v3-0122 | AAAAGAFDXFXVFAFXADAVDVDGFGAGADAGXDVAFA | AAAAGAFDXFXVFAFXADAVDVDGFGAGADAGXDVAFA | TREACHERY IN THE COURT | adfgvx | adfgvx | fractionation | {
"polybius": "LIBERTY",
"columnar": "FREEDOM"
} | advanced | en | 38 | 38 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v2-1007 | FMPOVLJUPZEAMUENDVSYHQCRXFJZURBZAONGQHETXZHCYISBMWILMPEPQOOTGQKRZNUFEPLKTLUKFYMZNINDIYRKERKWZRXJJBVZRKWEEPDELFLXGZDNGJXXPLDNHJFTASOFZUJVFRNGYRCGZVHXXLSYKRTWRVJPMZQWFQNAMSUN | FMPOVLJUPZEAMUENDVSYHQCRXFJZURBZAONGQHETXZHCYISBMWILMPEPQOOTGQKRZNUFEPLKTLUKFYMZNINDIYRKERKWZRXJJBVZRKWEEPDELFLXGZDNGJXXPLDNHJFTASOFZUJVFRNGYRCGZVHXXLSYKRTWRVJPMZQWFQNAMSUN | THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 17
} | expert | en | 172 | 172 | cipher_museum | 2.0 | public | null | null |
jefferson-disk-v3-0221 | DKQYEWZYPPIRDWITLXOHK | DKQYEWZYPPIRDWITLXOHK | THE EXPERIMENT CONFIRMS | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v3-0309 | QIKMORFOECXFIFHHBDIAZFTOPJNLICGODWXCCVAJZVJCXGGQIOITVPFDYOSNSCTKVMGWHMHIPZPKSCWNJUFHFXMCPRANIWYMOYNGNZLDCSFBPVRUJDUFQPXJXMWLQHFOJHKAGHMCIFASXLJLMCRDEWYCGCDSAXTAWDGJ | QIKMORFOECXFIFHHBDIAZFTOPJNLICGODWXCCVAJZVJCXGGQIOITVPFDYOSNSCTKVMGWHMHIPZPKSCWNJUFHFXMCPRANIWYMOYNGNZLDCSFBPVRUJDUFQPXJXMWLQHFOJHKAGHMCIFASXLJLMCRDEWYCGCDSAXTAWDGJ | 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 | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "GOTHIC"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0171 | YAPASBPJZELWEHHAPVRSKJFWPQGFXKLYENQLBFGMLYTZWZKWSFVONAMALHDY | YAPASBPJZELWEHHAPVRSKJFWPQGFXKLYENQLBFGMLYTZWZKWSFVONAMALHDY | THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 60 | 60 | cipher_museum | 2.0 | public | null | null |
red-type-a-137 | BYADOSWROAWDOEK | BYADOSWROAWDOEK | MEET AT THE OLD OAK | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SECRET"
} | advanced | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
sigaba-v3-0333 | BBIYELERTUMJBCAEVZVDTNOMBA | BBIYELERTUMJBCAEVZVDTNOMBA | THE PRINTING PRESS CHANGES ALL | sigaba | sigaba | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 26 | 26 | cipher_museum | 2.0 | public | null | null |
cda-0004789 | PHPR RABE SEEE MARE PLAO FESE ILRI ITVC INHC DIHT ITRY DTNS SEBU EAEN YHDA ERST PRRR AOWA OTEI EECI TTBH | PHPR RABE SEEE MARE PLAO FESE ILRI ITVC INHC DIHT ITRY DTNS SEBU EAEN YHDA ERST PRRR AOWA OTEI EECI TTBH | PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | double_transposition | double_transposition | null | {
"key1": "MUSEUM",
"key2": "DRAGON"
} | hard | en | 84 | 84 | synthetic_educational | null | null | [
"key_length_search",
"anagram_recovery"
] | Double columnar transposition: apply columnar twice for stronger security. |
trifid-249 | ZUEMIULH+UDSXCRJWPAXD | ZUEMIULH+UDSXCRJWPAXD | SUPPLY LINE COMPROMISED | trifid | trifid | fractionation | {
"type": "keyword",
"value": "TRIFID"
} | advanced | en | 21 | 21 | cipher_museum | 0.2 | public | null | null |
cda-0017862 | CHED ALCH OLDA IINO RORC HEOL SHAI INOK AINO TAII NOKA INOT AINO KEDY OKAL SHAI INOK AINC HORO RORY TAII NSHA IINO TAII NQOK EEDY LKAI INDA IINY KCHE OLCH EDYQ OKED YOTE DYOT AIIN AIII NYKC HEOL DAII NDAR ALDA LOKS HYCT AIIN YTED YSHA RALY TAII NOKS HYOX EDSH OROT AIIN OKSH YAII INDA LDAL CTAI INSH EDYO TAII NOTA IINQ ... | CHED ALCH OLDA IINO RORC HEOL SHAI INOK AINO TAII NOKA INOT AINO KEDY OKAL SHAI INOK AINC HORO RORY TAII NSHA IINO TAII NQOK EEDY LKAI INDA IINY KCHE OLCH EDYQ OKED YOTE DYOT AIIN AIII NYKC HEOL DAII NDAR ALDA LOKS HYCT AIIN YTED YSHA RALY TAII NOKS HYOX EDSH OROT AIIN OKSH YAII INDA LDAL CTAI INSH EDYO TAII NOTA IINQ ... | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | voynich_render | voynich_render | null | {} | hard | en | 338 | 338 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
monoalphabetic-v3-0435 | QAR LGBARHCPQ PSBBRREP | QAR LGBARHCPQ PSBBRREP | THE ALCHEMIST SUCCEEDS | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | beginner | en | 20 | 22 | cipher_museum | 2.0 | public | null | null |
affine-v3-0177 | EINDDNK BAN GWN LNNF QRA GWNV DWBII ZOWNAZG GWN NBAGW BOK GWN UNBHNLBFNAD DWBII EN HBIINK DROD | EINDDNK BAN GWN LNNF QRA GWNV DWBII ZOWNAZG GWN NBAGW BOK GWN UNBHNLBFNAD DWBII EN HBIINK DROD | BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS | affine | affine | substitution | {
"a": 3,
"b": 1
} | beginner | en | 78 | 94 | cipher_museum | 2.0 | public | null | null |
four-square-v3-0152 | PCLNYCCSXLPUROYPGLECQSBHPTNDPQMFCPPCHTBUPNQSCKPUBHBTFCZDIPOELGGTEZMTORYTPC | PCLNYCCSXLPUROYPGLECQSBHPTNDPQMFCPPCHTBUPNQSCKPUBHBTFCZDIPOELGGTEZMTORYTPC | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | four_square | four_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
four-square-v2-0417 | SBDCDDTGEMFULFTHCQSBRDRCCKLAIAHBYRTUIKAFOBLIVGGDFHHBSBACHKYKMUCQSLONSOPNLUCKCW | SBDCDDTGEMFULFTHCQSBRDRCCKLAIAHBYRTUIKAFOBLIVGGDFHHBSBACHKYKMUCQSLONSOPNLUCKCW | THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING | four_square | four_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
adfgx-058 | FDXDAGAXGAFDFXXAXAGA | FDXDAGAXGAFDFXXAXAGA | FLEE AT ONCE | adfgx | adfgx | fractionation | {
"polybius": "CIPHER",
"columnar": "MUSEUM"
} | advanced | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
nomenclator-v2-0026 | 11 05 05 16 25 15 21 18 16 15 23 04 05 18 04 18 25 | 11 05 05 16 25 15 21 18 16 15 23 04 05 18 04 18 25 | KEEP YOUR POWDER DRY | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 34 | 50 | cipher_museum | 2.0 | public | null | null |
cda-0004704 | ADPAD JVZWL CDMNX NAYWN JGEZA RSHMD KEGMD NYZVH QFBEW FQMHW WYRRK MSLAP HCTUN RACPQ AZPGS LARYM GLCYH DNFQN PPTNA YWNJ | ADPAD JVZWL CDMNX NAYWN JGEZA RSHMD KEGMD NYZVH QFBEW FQMHW WYRRK MSLAP HCTUN RACPQ AZPGS LARYM GLCYH DNFQN PPTNA YWNJ | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | beaufort | beaufort | null | {
"key": "PRAYER"
} | hard | en | 99 | 99 | synthetic_educational | null | null | [
"kasiski_examination",
"friedman_test",
"index_of_coincidence"
] | Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption). |
red-type-a-v3-0391 | DYFNIRXILDYJHAFOFGUUXGIDEWPAXWECNUMYNVOQGYMPAEJAQPIWALAGAJEDUDEWHZEWETREJLYLYHIPIOJG | DYFNIRXILDYJHAFOFGUUXGIDEWPAXWECNUMYNVOQGYMPAEJAQPIWALAGAJEDUDEWHZEWETREJLYLYHIPIOJG | SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "MIKADO"
} | advanced | en | 84 | 84 | cipher_museum | 2.0 | public | null | null |
running-key-v3-0095 | NSELWLDSWZINWYMPRPREFHC | NSELWLDSWZINWYMPRPREFHC | ROME WAS NOT BUILT IN ONE DAY | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Churchill Dunkirk speech"
} | intermediate | en | 23 | 23 | cipher_museum | 2.0 | public | null | null |
diana-v3-0409 | SBXTDCVXOKYDQQTUOAGFHIIOBYMKRQUEGANXNXLKPNXRYLKVSXFFWYMYAXIXJGUEEBNYTLIMTLKTNAPUGZFEAIOBVLFEIQTYMAZAVXYTLIPUAZPCXRYMVMQJBTCDHMLVYLKPUSBTMOTATBBTGSUDVIXJGUEEBNY | SBXTDCVXOKYDQQTUOAGFHIIOBYMKRQUEGANXNXLKPNXRYLKVSXFFWYMYAXIXJGUEEBNYTLIMTLKTNAPUGZFEAIOBVLFEIQTYMAZAVXYTLIPUAZPCXRYMVMQJBTCDHMLVYLKPUSBTMOTATBBTGSUDVIXJGUEEBNY | THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
m94-v3-0223 | ICGSSQUVLDWUWLSXCSRGZ | ICGSSQUVLDWUWLSXCSRGZ | THE TELEGRAPH TRANSMITS | m94 | m94 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0064 | HBOACPBP++VPXODDFA+MMPL+EWJNTNPUREIMTAGOPDACGQFLENCPVU+GQLMWKURBDLASCEMWHI | HBOACPBP++VPXODDFA+MMPL+EWJNTNPUREIMTAGOPDACGQFLENCPVU+GQLMWKURBDLASCEMWHI | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | trifid | trifid | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
lorenz-v2-0362 | AFTERANUNEQUIVOCALEXPERIENCEOFTHEINEFFICIENCYOFTHESUBSISTINGFEDERALGOVERNMENTYOUARECALLEDUPONTODELIBERATEONANEWCONSTITUTIONFORTHEUNITEDSTATESOFAMERICA | AFTERANUNEQUIVOCALEXPERIENCEOFTHEINEFFICIENCYOFTHESUBSISTINGFEDERALGOVERNMENTYOUARECALLEDUPONTODELIBERATEONANEWCONSTITUTIONFORTHEUNITEDSTATESOFAMERICA | 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 | lorenz | lorenz | machine | {
"type": "seed",
"value": "COLOSSUS"
} | expert | en | 150 | 150 | cipher_museum | 2.0 | public | null | null |
cda-0016172 | TZGJB BCEZQ PISVY JZHTI FDWCX DTWYC VGJVA DFYYF ATETW EJTCO IPAIF DISSL GHXDG TXLZM YZSMH IEKEP TLQEJ UHNYE AFTCT DLFTW OLHSO LWKPS DSSYH WNDEF INUFL XGSWL WPYGD AKUGV AWGQH HVFVN WEFIU ZNMFW EEFLS GHTZR NFMXL WRY | TZGJB BCEZQ PISVY JZHTI FDWCX DTWYC VGJVA DFYYF ATETW EJTCO IPAIF DISSL GHXDG TXLZM YZSMH IEKEP TLQEJ UHNYE AFTCT DLFTW OLHSO LWKPS DSSYH WNDEF INUFL XGSWL WPYGD AKUGV AWGQH HVFVN WEFIU ZNMFW EEFLS GHTZR NFMXL WRY | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS | running_key | running_key | null | {} | hard | en | 178 | 178 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
kryptos-v2-0114 | DYHHDJDYMVQXFMLLAYMTHPKTAJVPCELJMLSYMNYEVYAXFPJRQNYJFJJZVWNRQCKQSBJUKQEFTMCHNXLZHRVKLIGIXPQZXQFPFOHSJPPPEXQJGACJCTDZVPSBHZXRQYZUQLQJFMEXJMZPEUIPDUEUEPQUXRGBMIMU | DYHHDJDYMVQXFMLLAYMTHPKTAJVPCELJMLSYMNYEVYAXFPJRQNYJFJJZVWNRQCKQSBJUKQEFTMCHNXLZHRVKLIGIXPQZXQFPFOHSJPPPEXQJGACJCTDZVPSBHZXRQYZUQLQJFMEXJMZPEUIPDUEUEPQUXRGBMIMU | THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
caesar-vj-0026 | XS KSH FI XLI KPSVC | XS KSH FI XLI KPSVC | TO GOD BE THE GLORY | caesar | caesar | substitution | {
"type": "shift",
"value": 4
} | beginner | en | 15 | 19 | cipher_museum | 2.0 | public | null | null |
cda-0012880 | THAN ZIEL INDZ EHMA EAKH ANOD AIHG AHDI BEHC AYEI LTHN ODAI HWOL LACH EEGA HDZE HMOA SITK INCL AGIA IHLI NDZE HGAH NODA IHDI BEHD ZEHD IBEH THAN ZIEG LOEI HAKH AKLI ZZIE DZEH TSAH ASZI HGLO EIHA KHAG AHBE CLAG IAIH AKHA DIBE HYAZ ZIET SAHA SZIH SHUS HTKI NNOD AIH | THAN ZIEL INDZ EHMA EAKH ANOD AIHG AHDI BEHC AYEI LTHN ODAI HWOL LACH EEGA HDZE HMOA SITK INCL AGIA IHLI NDZE HGAH NODA IHDI BEHD ZEHD IBEH THAN ZIEG LOEI HAKH AKLI ZZIE DZEH TSAH ASZI HGLO EIHA KHAG AHBE CLAG IAIH AKHA DIBE HYAZ ZIET SAHA SZIH SHUS HTKI NNOD AIH | THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES | navajo_code | navajo_code | null | {} | hard | en | 211 | 211 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
sigaba-v3-0063 | KNRKZRXDHYICQWHGZPXCLZJEDMHPMMDBYPVRFXLSIBXPSMESNEGHDBODXTXUBQMWSCVHOVKPPKNHA | KNRKZRXDHYICQWHGZPXCLZJEDMHPMMDBYPVRFXLSIBXPSMESNEGHDBODXTXUBQMWSCVHOVKPPKNHA | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | sigaba | sigaba | machine | {
"type": "seed",
"value": "ECMMARK"
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
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