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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
geheimschreiber-v2-0394 | DGGPXWHXFPJAVV | DGGPXWHXFPJAVV | COVER MY RETREAT | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0291 | RTZKIOQFNVCSOHLHCBRYPXMS | RTZKIOQFNVCSOHLHCBRYPXMS | TORPEDO AWAY ALL HANDS BRACE | enigma | enigma | machine | {
"type": "rotor_start",
"value": "GHI"
} | expert | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v2-0742 | VTNGSSZRXZQULSTYUUILGMWQNZUIPGXUFQYKIIDVWUIRZOIEUOFGLYOAGOEVHRHGMYRWOOJOIOQEJGIIIZAYOEVMKYZMOSFBWKOQMYRWOQVGMMPOSSQVSPAVWSLYKNZMPOEZVVRDMXOOFUIKAITKOBS | VTNGSSZRXZQULSTYUUILGMWQNZUIPGXUFQYKIIDVWUIRZOIEUOFGLYOAGOEVHRHGMYRWOOJOIOQEJGIIIZAYOEVMKYZMOSFBWKOQMYRWOQVGMMPOSSQVSPAVWSLYKNZMPOEZVVRDMXOOFUIKAITKOBS | ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 151 | 151 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-015 | QDRWEWMFNUIIWAX | QDRWEWMFNUIIWAX | OPERATION BEGINS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "CONFEDERATE"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
kama-sutra-189 | XYFFIU ILHW RGZFCGZLXWQ | XYFFIU ILHW RGZFCGZLXWQ | SUPPLY LINE COMPROMISED | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | en | 21 | 23 | cipher_museum | 0.2 | public | null | null |
cda-0016420 | ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐... | ¬· ┘· ┘· Γ L Γ X· r ⌐ K Γ· ┘· ─ ⌐ └ K ┘· ┘· └ X L ⌣ ┐· └ ⌐ Γ· ─ K r· L Γ· ┌· └ Γ· ┌ Γ· K X ┐· ┘· └ ⌒· ¬ Γ· X· X L ─ r ┘· Γ L Γ └ L K K L ┌· X ⌐ X ┐· ⌐ Γ· ┌· X ┘· ⌐· ─ X· ┌ ¬ L ┌· X ⌐· ┌· ┘· ┌ ┘· ─ L K ┘· ⌐· Γ· K· L ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐... | GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS | pigpen | pigpen | null | {} | medium | en | 52 | 52 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
copiale-v3-0142 | P3 D5 B6 K7 V2 S7 K2 G4 E9 H1 G0 Q4 E0 H5 G4 M7 E6 E0 Q4 | P3 D5 B6 K7 V2 S7 K2 G4 E9 H1 G0 Q4 E0 H5 G4 M7 E6 E0 Q4 | MEASURE TWICE CUT ONCE | copiale | copiale | substitution | {
"type": "keyword",
"value": "TEMPLE"
} | advanced | en | 38 | 56 | cipher_museum | 2.0 | public | null | null |
sigaba-128 | WSIEBHQCOWYJ | WSIEBHQCOWYJ | HOLD POSITION | sigaba | sigaba | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 12 | 12 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0407 | PHVRZAPSICCKFFOSKYMRVHANRZSIEVVIBCEEGYKIHVHEMVVCTHOTBBVVIEENQZCYAIIGCEHYKYMWISERGWBJWNUKPFVADRPACWNAKZWBJIAITPFFQTVJIBUKBAVKHZREJNQZCXEUZAHIEBLKMRKKCFDUOEZEIJIHKDETIWGJENX | PHVRZAPSICCKFFOSKYMRVHANRZSIEVVIBCEEGYKIHVHEMVVCTHOTBBVVIEENQZCYAIIGCEHYKYMWISERGWBJWNUKPFVADRPACWNAKZWBJIAITPFFQTVJIBUKBAVKHZREJNQZCXEUZAHIEBLKMRKKCFDUOEZEIJIHKDETIWGJENX | THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "WARRIOR"
} | intermediate | en | 171 | 171 | cipher_museum | 2.0 | public | null | null |
cda-0007097 | FAMETSTEYSRWPAHTHYPORNAYHTIQAIEEHEIHATONIETLFACUNSVAESFEBHSSESEERTSEACEKRATAERIXDTDNOIFNLAACSRELTETXMIKGMSRCYNLICSDPBEIX | FAMETSTEYSRWPAHTHYPORNAYHTIQAIEEHEIHATONIETLFACUNSVAESFEBHSSESEERTSEACEKRATAERIXDTDNOIFNLAACSRELTETXMIKGMSRCYNLICSDPBEIX | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | scytale | scytale | null | {
"cols": 6
} | hard | en | 120 | 120 | synthetic_educational | null | null | [] | |
geheimschreiber-172 | OXESJJIUWPGCGZOGDWWBBJMWYUGUJVBMXNCZTUZYNRKLZQNDPWOREPXPJG | OXESJJIUWPGCGZOGDWWBBJMWYUGUJVBMXNCZTUZYNRKLZQNDPWOREPXPJG | IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 58 | 58 | cipher_museum | 0.2 | public | null | null |
fialka-v3-0373 | TWVPQLOKKRFXWUGLRRZBIXBDLMLTPRAGCVLMEOWKLIMSEGOODKZINGMMOTPBLZHWFBEARZSOERGE | TWVPQLOKKRFXWUGLRRZBIXBDLMLTPRAGCVLMEOWKLIMSEGOODKZINGMMOTPBLZHWFBEARZSOERGE | AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES | fialka | fialka | machine | {
"type": "seed",
"value": "SPUTNIK"
} | expert | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
purple-v2-0233 | SAXCXJPZUYNHIYFOHUYUSHKKGAXCGTOFUUFJBKHXGAJRSNFNRYZWXJPBBVNTMTMUASNUWMUFEQVNSYEHNVNOQZLKVUUETTQIZCIYSSOWBFOUBKDHECOJVJNCBYIVLWJBVUOABYMFAOYQABV | SAXCXJPZUYNHIYFOHUYUSHKKGAXCGTOFUUFJBKHXGAJRSNFNRYZWXJPBBVNTMTMUASNUWMUFEQVNSYEHNVNOQZLKVUUETTQIZCIYSSOWBFOUBKDHECOJVJNCBYIVLWJBVUOABYMFAOYQABV | FOURSCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH ON THIS CONTINENT A NEW NATION CONCEIVED IN LIBERTY AND DEDICATED TO THE PROPOSITION THAT ALL MEN ARE CREATED EQUAL | purple | purple | machine | {
"type": "seed",
"value": "YAMAMOTO"
} | expert | en | 143 | 143 | cipher_museum | 2.0 | public | null | null |
kryha-005 | UJXAFZEMCFNFWTB | UJXAFZEMCFNFWTB | THE COAST IS CLEAR | kryha | kryha | machine | {
"type": "keyword",
"value": "KRYHA"
} | expert | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0013160 | 60 88 22 67 33 43 25 30 22 43 11 26 99 43 11 88 76 86 78 88 48 34 33 68 94 22 4 33 25 88 26 62 46 82 66 30 11 64 76 70 76 68 87 26 99 46 14 43 48 45 67 46 14 50 35 2 25 66 76 15 78 93 60 17 22 81 87 3 41 63 60 49 76 70 1 4 72 52 23 96 21 1 99 21 39 82 11 43 49 46 41 63 2 91 91 48 3 99 11 67 32 68 66 60 87 27 15 27 96 5... | 60 88 22 67 33 43 25 30 22 43 11 26 99 43 11 88 76 86 78 88 48 34 33 68 94 22 4 33 25 88 26 62 46 82 66 30 11 64 76 70 76 68 87 26 99 46 14 43 48 45 67 46 14 50 35 2 25 66 76 15 78 93 60 17 22 81 87 3 41 63 60 49 76 70 1 4 72 52 23 96 21 1 99 21 39 82 11 43 49 46 41 63 2 91 91 48 3 99 11 67 32 68 66 60 87 27 15 27 96 5... | THE BEST LESSONS SHOW WHERE THE METHOD FAILS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | homophonic | homophonic | null | {} | hard | en | 166 | 166 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
wheatstone-v2-0194 | OIASSADLRATEAPURAFKEALRTBMRTEAYSELIISAACMDLKDOIASSADLRATEAPALNAJLHARSLJMKCUS | OIASSADLRATEAPURAFKEALRTBMRTEAYSELIISAACMDLKDOIASSADLRATEAPALNAJLHARSLJMKCUS | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "LONDON"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
morse-code-v2-0069 | --- -. -.-. . / ..- .--. --- -. / .- / -- .. -.. -. .. --. .... - / -.. .-. . .- .-. -.-- / .-- .... .. .-.. . / .. / .--. --- -. -.. . .-. . -.. / .-- . .- -.- / .- -. -.. / .-- . .- .-. -.-- / --- ...- . .-. / -- .- -. -.-- / .- / --.- ..- .- .. -. - / ...- --- .-.. ..- -- . / --- ..-. / .-.. --- .-. . | --- -. -.-. . / ..- .--. --- -. / .- / -- .. -.. -. .. --. .... - / -.. .-. . .- .-. -.-- / .-- .... .. .-.. . / .. / .--. --- -. -.. . .-. . -.. / .-- . .- -.- / .- -. -.. / .-- . .- .-. -.-- / --- ...- . .-. / -- .- -. -.-- / .- / --.- ..- .- .. -. - / ...- --- .-.. ..- -- . / --- ..-. / .-.. --- .-. . | ONCE UPON A MIDNIGHT DREARY WHILE I PONDERED WEAK AND WEARY OVER MANY A QUAINT VOLUME OF LORE | morse_code | morse_code | encoding | {
"type": "none",
"value": null
} | beginner | en | 213 | 305 | cipher_museum | 2.0 | public | null | null |
playfair-v3-0804 | CPBYFRZSIGRMMKBFEAAODPMRSGBFCPEMWGPCALCTLRDBCOIGPLPNIGDCFOPFTNPDUFUAPGHPZCPLCP | CPBYFRZSIGRMMKBFEAAODPMRSGBFCPEMWGPCALCTLRDBCOIGPLPNIGDCFOPFTNPDUFUAPGHPZCPLCP | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
nihilist-v3-0239 | 26 25 97 34 58 48 56 25 27 79 33 24 50 75 54 45 76 34 67 38 74 36 35 57 24 54 48 74 44 25 67 43 38 66 75 38 49 90 63 45 37 64 58 25 57 24 48 38 74 47 25 67 24 25 36 64 45 56 68 36 25 68 77 58 25 67 43 38 38 43 67 | 26 25 97 34 58 48 56 25 27 79 33 24 50 75 54 45 76 34 67 38 74 36 35 57 24 54 48 74 44 25 67 43 38 66 75 38 49 90 63 45 37 64 58 25 57 24 48 38 74 47 25 67 24 25 36 64 45 56 68 36 25 68 77 58 25 67 43 38 38 43 67 | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 142 | 212 | cipher_museum | 2.0 | public | null | null |
cda-0016373 | ATRA ZSPA RZNT TOOL SHOU LDSH ZWIT SREA SONI NGOP ENSO URCE TOOL SALL OWIZ DEPE ZDEN TXER IFIC ATIZ NBEC Z | ATRA ZSPA RZNT TOOL SHOU LDSH ZWIT SREA SONI NGOP ENSO URCE TOOL SALL OWIZ DEPE ZDEN TXER IFIC ATIZ NBEC Z | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | commercial_code | commercial_code | null | {} | hard | en | 85 | 85 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
enigma-v2-0661 | CTBRHDVHLFHM | CTBRHDVHLFHM | VENI VIDI VICI | enigma | enigma | machine | {
"type": "rotor_start",
"value": "PQR"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
cda-0012126 | 807 851 872 846 859 842 818 853 800 846 823 874 999 852 812 866 801 853 809 856 999 846 802 859 825 812 839 806 813 999 801 841 811 999 807 802 851 812 817 860 834 999 857 821 824 839 832 824 840 820 999 800 999 859 852 800 841 855 846 800 852 813 840 858 999 859 844 843 833 999 855 822 842 861 835 810 999 854 821 844 ... | 807 851 872 846 859 842 818 853 800 846 823 874 999 852 812 866 801 853 809 856 999 846 802 859 825 812 839 806 813 999 801 841 811 999 807 802 851 812 817 860 834 999 857 821 824 839 832 824 840 820 999 800 999 859 852 800 841 855 846 800 852 813 840 858 999 859 844 843 833 999 855 822 842 861 835 810 999 854 821 844 ... | CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING A TRANSPARENT TOOL SHOULD SHOW ITS REASONING AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | culper_ring | culper_ring | null | {} | hard | en | 131 | 131 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
venona-pad-reuse-v2-0235 | 5MSDVC4OGQACU42MOVVB4G3BXZG4ZGEXWXMGASASBLL3FW7WYHMQMTTQGOFJVCYAKPJXC4Z2BWDXUKDFHR4XPIKM4VLF3GADHX2MNAYH3NMPBCU45GQPSWW23GAAX2YASQSXWOGVVZ6LPFSM76KIGTK2XUGDZLFSTD2G | 5MSDVC4OGQACU42MOVVB4G3BXZG4ZGEXWXMGASASBLL3FW7WYHMQMTTQGOFJVCYAKPJXC4Z2BWDXUKDFHR4XPIKM4VLF3GADHX2MNAYH3NMPBCU45GQPSWW23GAAX2YASQSXWOGVVZ6LPFSM76KIGTK2XUGDZLFSTD2G | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
cda-0019094 | 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 2... | 20 8 5 4 5 20 5 3 20 9 22 5 19 20 21 4 9 5 19 16 1 20 20 5 18 14 19 2 5 6 15 18 5 13 1 11 9 14 7 3 12 1 9 13 19 3 12 1 19 19 9 3 1 12 3 9 16 8 5 18 19 20 5 1 3 8 23 8 25 13 15 4 5 18 14 19 5 3 21 18 9 20 25 13 1 20 20 5 18 19 8 9 19 20 15 18 9 3 1 12 3 9 16 8 5 18 19 1 18 5 20 5 1 3 8 5 18 19 14 15 20 16 18 15 20 5 3 2... | THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 176 | 176 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
kama-sutra-v3-0354 | VUM VRXJ VUM | VUM VRXJ VUM | DOT DASH DOT | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 10 | 12 | cipher_museum | 2.0 | public | null | null |
enigma-v2-0244 | NSKXPYBJBEYRPTFELTMHFNYIGCETWOPAPHEUUMXXJYDXOPLQWNAALNJDPCUNKGZOFHYZELZDVNOQESEWVGRTUXCNYHTDSUKNKGBSKYCMSHTRRUFBISPHIGVKDJYACKQVZQLOBHPH | NSKXPYBJBEYRPTFELTMHFNYIGCETWOPAPHEUUMXXJYDXOPLQWNAALNJDPCUNKGZOFHYZELZDVNOQESEWVGRTUXCNYHTDSUKNKGBSKYCMSHTRRUFBISPHIGVKDJYACKQVZQLOBHPH | 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 | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DEF"
} | expert | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0298 | GWQDVFTBJMGULCWMOFFSEZIFKGPLBNLBWARETEVRVYZZUDTUCHUCFWBMDVBHQMER | GWQDVFTBJMGULCWMOFFSEZIFKGPLBNLBWARETEVRVYZZUDTUCHUCFWBMDVBHQMER | WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 64 | 64 | cipher_museum | 2.0 | public | null | null |
cda-0019505 | MOAS IWOL LACH EEDZ EHDI BEHW OLLA CHEE GAHD IBEH LINT KINM AETH ANZI EDZE HBET HANZ IELI NDZE HWOL LACH EEDI BEHY AZZI ECLA GIAI HLIN WOLL ACHE ESHU SHDZ EHTH ANZI ESHU SHTS AHAS ZIHT HANZ IELI NGAH DZEH DZEH CLAG IAIH AKHA DIBE HTKI NTHA NZIE TKIN AKHA TSAH DIBE H | MOAS IWOL LACH EEDZ EHDI BEHW OLLA CHEE GAHD IBEH LINT KINM AETH ANZI EDZE HBET HANZ IELI NDZE HWOL LACH EEDI BEHY AZZI ECLA GIAI HLIN WOLL ACHE ESHU SHDZ EHTH ANZI ESHU SHTS AHAS ZIHT HANZ IELI NGAH DZEH DZEH CLAG IAIH AKHA DIBE HTKI NTHA NZIE TKIN AKHA TSAH DIBE H | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS | 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. |
cda-0016498 | daily opens until below leads early troop raids after naval south phase other stage input turns input other notes among point point lower incur exact | daily opens until below leads early troop raids after naval south phase other stage input turns input other notes among point point lower incur exact | DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY | 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. |
stager-route-v3-0336 | THUHESXWIXXNDXXISXXWIXXT | THUHESXWIXXNDXXISXXWIXXT | THE WIND IS WITH US | stager_route | stager_route | transposition | {
"type": "integer",
"value": 12
} | expert | en | 24 | 24 | cipher_museum | 2.0 | public | null | null |
trifid-v3-0494 | TDLPTIZU+BPLZCJOD+ZOBADEOEFVOWGCMXCNBCXCSMFDAUPGTDTUZDJIDRWAJVRESJCMZCPBSHUC | TDLPTIZU+BPLZCJOD+ZOBADEOEFVOWGCMXCNBCXCSMFDAUPGTDTUZDJIDRWAJVRESJCMZCPBSHUC | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | trifid | trifid | fractionation | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0322 | JDSBCEOAJBKSKDAEFOGFMANIIPVMSUBBKKUDKCZREVBMBUFHWFDABYIVMKNSTUXHWFOOFVW | JDSBCEOAJBKSKDAEFOGFMANIIPVMSUBBKKUDKCZREVBMBUFHWFDABYIVMKNSTUXHWFOOFVW | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "VIRTUAL"
} | advanced | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-187 | VJQKHDGNAKHBEMR | VJQKHDGNAKHBEMR | ABORT MISSION NOW | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICTORY"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
sigaba-v2-0340 | WOYWPCBUQYVWJIEXVQMZMGTPQXBPSVUCACNHYPIEBKZBZECNUNWPSHUVCWJQZHLKHRHUJYPJSAWOZFX | WOYWPCBUQYVWJIEXVQMZMGTPQXBPSVUCACNHYPIEBKZBZECNUNWPSHUVCWJQZHLKHRHUJYPJSAWOZFX | CLAUDE SHANNON PROVED THAT THE ONE TIME PAD ACHIEVES PERFECT SECRECY WHEN USED CORRECTLY ONCE | sigaba | sigaba | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 79 | 79 | cipher_museum | 2.0 | public | null | null |
chaocipher-v3-0408 | LJLISYDGZCPTZESZPTPHBEPWWRXGPFYYRAMWEEKZDRUIXSUIDNIYXVIZYEQBFYICHPOVCTILNAFWEJEDXUDFMITLPDYZUXJVEUBLMYCRCJTCIFMLLAUTHEUKHKEHBMYHWOYTCXRMSPPVQHUNJGAGKAQPHAGPEBITDTGVW | LJLISYDGZCPTZESZPTPHBEPWWRXGPFYYRAMWEEKZDRUIXSUIDNIYXVIZYEQBFYICHPOVCTILNAFWEJEDXUDFMITLPDYZUXJVEUBLMYCRCJTCIFMLLAUTHEUKHKEHBMYHWOYTCXRMSPPVQHUNJGAGKAQPHAGPEBITDTGVW | 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 | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 165 | 165 | cipher_museum | 2.0 | public | null | null |
nomenclator-v2-0111 | 60 01 18 20 62 23 01 18 09 19 62 22 09 20 01 12 09 13 16 15 18 20 01 14 03 05 63 60 19 20 01 20 05 09 20 09 19 01 13 01 20 20 05 18 62 12 09 06 05 61 04 05 01 20 08 01 18 15 01 04 05 09 20 08 05 18 63 19 01 06 05 20 25 15 18 63 18 21 09 14 08 05 14 03 05 09 20 09 19 01 19 21 02 10 05 03 20 62 09 14 17 21 09 18 25 23 08... | 60 01 18 20 62 23 01 18 09 19 62 22 09 20 01 12 09 13 16 15 18 20 01 14 03 05 63 60 19 20 01 20 05 09 20 09 19 01 13 01 20 20 05 18 62 12 09 06 05 61 04 05 01 20 08 01 18 15 01 04 05 09 20 08 05 18 63 19 01 06 05 20 25 15 18 63 18 21 09 14 08 05 14 03 05 09 20 09 19 01 19 21 02 10 05 03 20 62 09 14 17 21 09 18 25 23 08... | 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 | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 270 | 404 | cipher_museum | 2.0 | public | null | null |
cda-0020003 | 20.5.6 9.6.3 12.2.5 17.3.10 7.5.4 8.2.1 19.3.10 18.1.2 19.1.8 12.5.5 8.2.8 1.6.6 18.4.1 3.6.6 19.3.7 16.5.1 8.5.6 18.6.2 1.3.6 3.2.2 5.2.7 15.6.7 5.3.4 2.1.7 5.5.3 5.6.9 19.5.9 7.6.10 2.5.4 5.3.6 19.1.8 3.2.5 9.5.2 5.2.4 7.6.8 1.3.5 18.4.6 6.4.2 16.4.7 11.4.1 8.5.4 8.3.4 10.1.8 14.3.3 10.2.6 5.5.3 10.2.9 13.6.10 19.3.2... | 20.5.6 9.6.3 12.2.5 17.3.10 7.5.4 8.2.1 19.3.10 18.1.2 19.1.8 12.5.5 8.2.8 1.6.6 18.4.1 3.6.6 19.3.7 16.5.1 8.5.6 18.6.2 1.3.6 3.2.2 5.2.7 15.6.7 5.3.4 2.1.7 5.5.3 5.6.9 19.5.9 7.6.10 2.5.4 5.3.6 19.1.8 3.2.5 9.5.2 5.2.4 7.6.8 1.3.5 18.4.6 6.4.2 16.4.7 11.4.1 8.5.4 8.3.4 10.1.8 14.3.3 10.2.6 5.5.3 10.2.9 13.6.10 19.3.2... | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER | arnold_andre | arnold_andre | null | {} | hard | en | 83 | 83 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
rot13-025 | FVYRAPR VF TBYQRA | FVYRAPR VF TBYQRA | SILENCE IS GOLDEN | rot13 | rot13 | substitution | {
"type": "none",
"value": null
} | beginner | en | 15 | 17 | cipher_museum | 0.2 | public | null | null |
m94-v2-0137 | QKLSSEXVZHVD | QKLSSEXVZHVD | VENI VIDI VICI | m94 | m94 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
kryptos-v2-0126 | PZEXJKLNDRJYMMUUKJUMMQERGMMJQJEILUSREKFEWTXNBUBBAKMNCMZPFPJPDUIRQPQTYJCFIZVPEMAZLIWBFMVNCXGAROQHUMCGSYYPLULYAMUUHYXSFPIBMZKJJKANZICBDYMWJJLIHRYBWKHEJTZXGUHMAZEXJOWZGJQJNQFVVFHZBHA | PZEXJKLNDRJYMMUUKJUMMQERGMMJQJEILUSREKFEWTXNBUBBAKMNCMZPFPJPDUIRQPQTYJCFIZVPEMAZLIWBFMVNCXGAROQHUMCGSYYPLULYAMUUHYXSFPIBMZKJJKANZICBDYMWJJLIHRYBWKHEJTZXGUHMAZEXJOWZGJQJNQFVVFHZBHA | 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 AND SECURE THE BLESSINGS OF LIBERTY | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
cda-0007122 | JBLX EZUQ FZAU CWHU EYUU CCWE ZQYD PNCP LELA UCYH SZUV NZPK YRWD HYKO OPLJ JOWZ QEAA AAAA KWPS ARAB EDLY YRWT EOUD KDNN PPED LYYR WAAA CAEC AEAE NZPK YRTQ WYYQ WDHY UVPI WLDI JSEY JEYU | JBLX EZUQ FZAU CWHU EYUU CCWE ZQYD PNCP LELA UCYH SZUV NZPK YRWD HYKO OPLJ JOWZ QEAA AAAA KWPS ARAB EDLY YRWT EOUD KDNN PPED LYYR WAAA CAEC AEAE NZPK YRTQ WYYQ WDHY UVPI WLDI JSEY JEYU | THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN | beaufort | beaufort | null | {
"key": "CIPHER"
} | hard | en | 148 | 148 | synthetic_educational | null | null | [] | |
jn25-v3-0196 | 09911 09996 09993 09902 09997 09902 09908 09996 09993 09991 09903 09919 09906 09907 09993 09903 09994 09996 09919 09901 09999 09902 09993 09910 09993 09902 09908 09907 09997 09908 09990 09993 09991 09903 09901 09993 09907 09902 09993 09991 09993 09907 09907 09999 09906 09913 09994 09903 09906 09903 09902 09993 09904 09... | 09911 09996 09993 09902 09997 09902 09908 09996 09993 09991 09903 09919 09906 09907 09993 09903 09994 09996 09919 09901 09999 09902 09993 09910 09993 09902 09908 09907 09997 09908 09990 09993 09991 09903 09901 09993 09907 09902 09993 09991 09993 09907 09907 09999 09906 09913 09994 09903 09906 09903 09902 09993 09904 09... | WHEN IN THE COURSE OF HUMAN EVENTS IT BECOMES NECESSARY FOR ONE PEOPLE TO DISSOLVE THE POLITICAL BANDS WHICH HAVE CONNECTED THEM WITH ANOTHER THEY SHOULD DECLARE THE CAUSES WHICH IMPEL THE SEPARATION | jn25 | jn25 | codebook | {
"type": "additive",
"value": "99999"
} | expert | en | 835 | 1,001 | cipher_museum | 2.0 | public | null | null |
atbash-it-010 | ILNZ XZKFG NFMWR | ILNZ XZKFG NFMWR | ROMA CAPUT MUNDI | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | it | 14 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0009880 | FVOW VKQU GCUM QIGC UKCA JWPE KAIM PKTF QBKW PVCA GZXH CTGM XPEM PKGJ PUGA DLGW TMEV ONKL GUDM DZWA FNQZ ELXW TSUV OTAE JLOB JMML ZARI ELJA UUCS MBJM DLTB NMUZ PVUA JVXE JMTL UPGU GAIW FNCP MA | FVOW VKQU GCUM QIGC UKCA JWPE KAIM PKTF QBKW PVCA GZXH CTGM XPEM PKGJ PUGA DLGW TMEV ONKL GUDM DZWA FNQZ ELXW TSUV OTAE JLOB JMML ZARI ELJA UUCS MBJM DLTB NMUZ PVUA JVXE JMTL UPGU GAIW FNCP MA | DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE BEST LESSONS SHOW WHERE THE METHOD FAILS | gronsfeld | gronsfeld | null | {
"key": "271828"
} | hard | en | 154 | 154 | synthetic_educational | null | null | [] | |
kl7-139 | UVCIUQNBMJHAPERW | UVCIUQNBMJHAPERW | NO PRISONERS TAKEN | kl7 | kl7 | machine | {
"type": "seed",
"value": "SECRET"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0019669 | MA-E / GAH / TKIN / DZEH / BE / NA-AS-TSO-SI / WOL-LA-CHEE / TSAH / DZEH / DIBEH / THAN-ZIE / TKIN / NA-AS-TSO-SI / WOL-LA-CHEE / THAN-ZIE / DZEH / BE / KLIZZIE / DZEH / TSAH-AS-ZIH / DIBEH-YAZZIE / DZEH / TSAH / AH-JAH / TH... | MA-E / GAH / TKIN / DZEH / BE / NA-AS-TSO-SI / WOL-LA-CHEE / TSAH / DZEH / DIBEH / THAN-ZIE / TKIN / NA-AS-TSO-SI / WOL-LA-CHEE / THAN-ZIE / DZEH / BE / KLIZZIE / DZEH / TSAH-AS-ZIH / DIBEH-YAZZIE / DZEH / TSAH / AH-JAH / TH... | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A STRONG CLAIM NEEDS STRONG EVIDENCE CERTAINLY | navajo_code | navajo_code | null | {} | hard | en | 220 | 220 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
solitaire-014 | SFRAJDLKPHVFOSHB | SFRAJDLKPHVFOSHB | ALL IS LOST RETREAT | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
trithemius-v2-0007 | SJIQEQ LPZNC WUG | SJIQEQ LPZNC WUG | SIGNAL FIRES LIT | trithemius | trithemius | polyalphabetic | {
"type": "none",
"value": null
} | beginner | en | 14 | 16 | cipher_museum | 2.0 | public | null | null |
sigaba-v2-0239 | SYWUVKFQXZRVIVVLTCTPOQGNHSDWQCKRLVTKOPYJBQWOZRGAYORDMJLGWRYLMYSOPIFFQSGKQPMPEZTTKEBSDBUGPANEFKCMOQQAZDVCLOGWIZTGWXWTBQXECOJLMRAMXINPUCGLOXRPVGCRCICQEKZTUVMIIJAIIIWGZCHCW | SYWUVKFQXZRVIVVLTCTPOQGNHSDWQCKRLVTKOPYJBQWOZRGAYORDMJLGWRYLMYSOPIFFQSGKQPMPEZTTKEBSDBUGPANEFKCMOQQAZDVCLOGWIZTGWXWTBQXECOJLMRAMXINPUCGLOXRPVGCRCICQEKZTUVMIIJAIIIWGZCHCW | 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 | sigaba | sigaba | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1816 | ECLCPYJ EPYLR FYQ RYICL TGAIQZSPE RFC EPCYR PGTCP GQ LMU MNCL DPMK GRQ QMSPAC RM RFC QCY | ECLCPYJ EPYLR FYQ RYICL TGAIQZSPE RFC EPCYR PGTCP GQ LMU MNCL DPMK GRQ QMSPAC RM RFC QCY | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | caesar | caesar | substitution | {
"type": "shift",
"value": 24
} | beginner | en | 72 | 88 | cipher_museum | 2.0 | public | null | null |
cda-0020436 | 12.4.3 17.2.2 10.5.1 10.4.3 9.3.2 13.4.7 20.2.8 19.6.10 17.1.9 4.6.4 1.4.7 8.5.9 11.3.4 12.4.9 6.1.1 19.5.2 16.2.10 15.2.7 20.4.6 16.6.5 5.4.6 11.2.1 4.2.3 1.3.10 3.6.1 6.6.6 3.4.9 1.1.6 2.5.7 13.1.6 8.2.8 18.3.2 9.4.3 19.1.7 7.1.1 14.5.9 16.3.5 2.5.10 1.6.3 5.4.2 1.3.1 16.2.3 6.3.3 13.4.3 12.2.7 16.5.4 10.1.6 3.6.7 16... | 12.4.3 17.2.2 10.5.1 10.4.3 9.3.2 13.4.7 20.2.8 19.6.10 17.1.9 4.6.4 1.4.7 8.5.9 11.3.4 12.4.9 6.1.1 19.5.2 16.2.10 15.2.7 20.4.6 16.6.5 5.4.6 11.2.1 4.2.3 1.3.10 3.6.1 6.6.6 3.4.9 1.1.6 2.5.7 13.1.6 8.2.8 18.3.2 9.4.3 19.1.7 7.1.1 14.5.9 16.3.5 2.5.10 1.6.3 5.4.2 1.3.1 16.2.3 6.3.3 13.4.3 12.2.7 16.5.4 10.1.6 3.6.7 16... | THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM | arnold_andre | arnold_andre | null | {} | hard | en | 130 | 130 | synthetic_educational | null | null | [
"book_cipher_attack",
"triple_index_search"
] | Arnold-André book cipher: coordinates (page.section.word) referencing a shared text. |
rail-fence-v2-0027 | HLOLNAOERVAOB | HLOLNAOERVAOB | HONOR ABOVE ALL | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 7
} | intermediate | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0153 | D3XEDTZ2AHDCRWALCEJ3VLHQM2TVI3GATYWJCTSVC4Z3QM33VN3GMAA4PFBGA5KZ3GAT3LT | D3XEDTZ2AHDCRWALCEJ3VLHQM2TVI3GATYWJCTSVC4Z3QM33VN3GMAA4PFBGA5KZ3GAT3LT | IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 71 | 71 | cipher_museum | 2.0 | public | null | null |
two-square-v2-0175 | PFWRINNTHEFIELDOFHUMDKDDNFIHCTVBSSNAXMMEWEDBAQNADKCQOSNRIYBRTXBTOUBP | PFWRINNTHEFIELDOFHUMDKDDNFIHCTVBSSNAXMMEWEDBAQNADKCQOSNRIYBRTXBTOUBP | NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0955 | TDA SANQAT LB CATTEKC HDAHR ES CATTEKC STHQTAR LKA STAM HT H TEJA CATS YLU VAQY BHQ EKRAAR | TDA SANQAT LB CATTEKC HDAHR ES CATTEKC STHQTAR LKA STAM HT H TEJA CATS YLU VAQY BHQ EKRAAR | THE SECRET OF GETTING AHEAD IS GETTING STARTED ONE STEP AT A TIME GETS YOU VERY FAR INDEED | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "HONOR"
} | beginner | en | 73 | 90 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-it-017 | OIIMATGRIUIIMTLOSTFDA | OIIMATGRIUIIMTLOSTFDA | SIAMO TUTTI FIGLI DI ROMA | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "ZEBRA"
} | intermediate | it | 21 | 21 | cipher_museum | 0.2 | public | null | null |
kl7-v3-0007 | CJFYGVGBFAXLIH | CJFYGVGBFAXLIH | MARCH TO VICTORY | kl7 | kl7 | machine | {
"type": "seed",
"value": "NATO"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
rail-fence-v3-0553 | YANKEEDOODLE | YANKEEDOODLE | YANKEE DOODLE | rail_fence | rail_fence | transposition | {
"type": "integer",
"value": 12
} | intermediate | en | 12 | 12 | cipher_museum | 2.0 | public | null | null |
vigenere-es-076 | ECPUHFWVPWYVTBPZITKMGYEFVZPZIRDZT | ECPUHFWVPWYVTBPZITKMGYEFVZPZIRDZT | CUANDO UNA PUERTA SE CIERRA OTRA SE ABRE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | es | 33 | 33 | cipher_museum | 0.2 | public | null | null |
jn25-v2-0006 | 26199 26187 26184 26195 26180 26198 26198 26188 26198 26187 26184 26191 26183 | 26199 26187 26184 26195 26180 26198 26198 26188 26198 26187 26184 26191 26183 | THE PASS IS HELD | jn25 | jn25 | codebook | {
"type": "additive",
"value": "16180"
} | expert | en | 65 | 77 | cipher_museum | 2.0 | public | null | null |
kl7-v3-0128 | CNREHWGAIXBSZKG | CNREHWGAIXBSZKG | THE WIND IS WITH US | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 15 | 15 | cipher_museum | 2.0 | public | null | null |
beaufort-v3-0910 | UXLQQNBKNBEUCTZIXTOJRUMWFQQCGECNQFRIQYHUUWZRTLBGQTLDPQUWAYKTSJLZZPRQFRYKOIML | UXLQQNBKNBEUCTZIXTOJRUMWFQQCGECNQFRIQYHUUWZRTLBGQTLDPQUWAYKTSJLZZPRQFRYKOIML | THE DEAD DROP ALLOWS AGENTS TO EXCHANGE INFORMATION WITHOUT MEETING FACE TO FACE IN PUBLIC | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "NEPTUNE"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
hill-047 | XKLOJEHUJEESEAKIKWCKMGWWJCUILCJGOZLDCMLDZPPNFRMPDT | XKLOJEHUJEESEAKIKWCKMGWWJCUILCJGOZLDCMLDZPPNFRMPDT | VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE | hill | hill | polygraphic | {
"a": 3,
"b": 3,
"c": 2,
"d": 5
} | advanced | en | 50 | 50 | cipher_museum | 0.2 | public | null | null |
vigenere-v2-0907 | EZVWKUSEDFVZYW | EZVWKUSEDFVZYW | TRUST BUT VERIFY | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
porta-v3-0063 | IAXVPCAUYSNUORXXMIVRLQPEWRXJLOOIYIMISNGVJXXNWZTJOAMZTPLRUBTJAFYSQFLAYNLMTFPJL | IAXVPCAUYSNUORXXMIVRLQPEWRXJLOOIYIMISNGVJXXNWZTJOAMZTPLRUBTJAFYSQFLAYNLMTFPJL | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "NAPLES"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
caesar-v3-1185 | LZW LWDWYJSHZ LJSFKEALK | LZW LWDWYJSHZ LJSFKEALK | THE TELEGRAPH TRANSMITS | caesar | caesar | substitution | {
"type": "shift",
"value": 18
} | beginner | en | 21 | 23 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0428 | ERSP USGQ | ERSP USGQ | DEUS VULT | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "LIBERTY"
} | beginner | en | 8 | 9 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0168 | XMPLDOYSRBVVZZRGKPGATWEGRZOFUBNGRZKUSGJHVXCJDCFVWZCUOSSRCTQDUBTWYMDYQOXRLB | XMPLDOYSRBVVZZRGKPGATWEGRZOFUBNGRZKUSGJHVXCJDCFVWZCUOSSRCTQDUBTWYMDYQOXRLB | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "RICHMOND"
} | intermediate | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0208 | MGVAFQKQWLMPRGFZXIRURZFOIBNONKNIDRRAQBXWTELDKKVCCNCPULLXOZNATJOMOGQFSANSCURSMUZITCRTPECQVHKXTTFEWIXWIELLXUVOOFZFWJSKHZSGRGTLYJYJSYNINDMICZWXHKJZEWULCOIQDPCPUVJUOLGAMHGAVINGVEAVI | MGVAFQKQWLMPRGFZXIRURZFOIBNONKNIDRRAQBXWTELDKKVCCNCPULLXOZNATJOMOGQFSANSCURSMUZITCRTPECQVHKXTTFEWIXWIELLXUVOOFZFWJSKHZSGRGTLYJYJSYNINDMICZWXHKJZEWULCOIQDPCPUVJUOLGAMHGAVINGVEAVI | THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 177 | 177 | cipher_museum | 2.0 | public | null | null |
wheatstone-v2-0050 | PJJGIYPHQPJJGIYPHQKTNQYIPYOOSLHOVRRQOJNNJVQHTQYOHTDDOTXPJJGIYPHQQYDDFJNNJV | PJJGIYPHQPJJGIYPHQKTNQYIPYOOSLHOVRRQOJNNJVQHTQYOHTDDOTXPJJGIYPHQQYDDFJNNJV | GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "TELEGRAPHY"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
kama-sutra-166 | OFAW ZXFWY UGP ZYTYG EYUWZ UNF FAW OUVMYWZ QWFANMV OFWVM VMLZ GUVLFG | OFAW ZXFWY UGP ZYTYG EYUWZ UNF FAW OUVMYWZ QWFANMV OFWVM VMLZ GUVLFG | FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 57 | 68 | cipher_museum | 0.2 | public | null | null |
red-type-a-v2-0110 | MIZVOPLTEGJFAGWQIQUOJNUQPARBUXFBYMZPABCJIWOGREBFKFAEXXRGUTNOHBRIRCCEXFPITYUKKROJSIDJBATDJIICBGUMDONWXIHQSEQBRIGYFZTMUZVOPLBUZAKCYKMIBKUZ | MIZVOPLTEGJFAGWQIQUOJNUQPARBUXFBYMZPABCJIWOGREBFKFAEXXRGUTNOHBRIRCCEXFPITYUKKROJSIDJBATDJIICBGUMDONWXIHQSEQBRIGYFZTMUZVOPLBUZAKCYKMIBKUZ | WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
arnold-andre-v3-0006 | 1.1.2 13.1.1 14.2.2 14.1.1 14.4.5 14.1.5 14.4.4 15.1.1 13.1.1 14.2.3 14.3.5 14.3.2 14.1.4 15.1.1 13.1.1 14.2.1 14.2.4 14.4.3 14.3.3 15.1.1 | 1.1.2 13.1.1 14.2.2 14.1.1 14.4.5 14.1.5 14.4.4 15.1.1 13.1.1 14.2.3 14.3.5 14.3.2 14.1.4 15.1.1 13.1.1 14.2.1 14.2.4 14.4.3 14.3.3 15.1.1 | THE GATES HOLD FIRM | arnold_andre | arnold_andre | codebook | {
"type": "none",
"value": null
} | expert | en | 119 | 138 | cipher_museum | 2.0 | public | null | null |
cda-0013420 | 27 40 26 52 23 39 35 2 15 35 30 82 43 50 49 61 41 63 82 25 60 22 34 99 11 67 14 68 66 60 87 82 99 1 96 43 26 67 33 86 34 26 70 24 82 25 67 82 50 17 23 15 35 76 62 22 43 67 41 3 22 79 33 3 43 93 99 24 60 88 22 27 96 63 88 27 67 48 91 91 88 33 67 49 61 93 62 87 66 63 94 33 34 21 45 40 67 66 81 48 43 82 63 76 39 41 67 93 ... | 27 40 26 52 23 39 35 2 15 35 30 82 43 50 49 61 41 63 82 25 60 22 34 99 11 67 14 68 66 60 87 82 99 1 96 43 26 67 33 86 34 26 70 24 82 25 67 82 50 17 23 15 35 76 62 22 43 67 41 3 22 79 33 3 43 93 99 24 60 88 22 27 96 63 88 27 67 48 91 91 88 33 67 49 61 93 62 87 66 63 94 33 34 21 45 40 67 66 81 48 43 82 63 76 39 41 67 93 ... | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG ATBASH ENCODES BY REVERSING THE ALPHABET THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | homophonic | homophonic | null | {} | hard | en | 184 | 184 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
cda-0010551 | YXUH JUYQ JKNC RLLR YQNA BDBN VDUC RYUN JUYQ JKNC BQRO CBYJ CCNA WFXA MBQN UYKA NJTV XWXJ UYQJ KNCR LBDK BCRC DCRX WCQN URKA JAHY ANBN AENB TWXF UNMP NOXA CQNL XVVD WRCH OJRU LUXB NMRB JYXB CDAN WXCJ BUXP JW | YXUH JUYQ JKNC RLLR YQNA BDBN VDUC RYUN JUYQ JKNC BQRO CBYJ CCNA WFXA MBQN UYKA NJTV XWXJ UYQJ KNCR LBDK BCRC DCRX WCQN URKA JAHY ANBN AENB TWXF UNMP NOXA CQNL XVVD WRCH OJRU LUXB NMRB JYXB CDAN WXCJ BUXP JW | POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY FAIL CLOSED IS A POSTURE NOT A SLOGAN | gronsfeld | gronsfeld | null | {
"key": "99999"
} | hard | en | 166 | 166 | synthetic_educational | null | null | [] | |
great-cipher-152 | 125 129 172 164 169 178 180 128 105 181 168 119 106 125 114 168 170 155 137 155 112 136 162 148 134 107 114 112 105 107 162 165 | 125 129 172 164 169 178 180 128 105 181 168 119 106 125 114 168 170 155 137 155 112 136 162 148 134 107 114 112 105 107 162 165 | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "SECRET"
} | expert | en | 96 | 127 | cipher_museum | 0.2 | public | null | null |
red-type-a-v3-0050 | ALFEDAKEDBYHWECNUUCVOVDEJBUUDZANKEJANEFTYDWIKLJIFAAICAPMJABQTBIGJUFH | ALFEDAKEDBYHWECNUUCVOVDEJBUUDZANKEJANEFTYDWIKLJIFAAICAPMJABQTBIGJUFH | IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL | red_type_a | red_type_a | machine | {
"type": "keyword",
"value": "SAKURA"
} | advanced | en | 68 | 68 | cipher_museum | 2.0 | public | null | null |
slidex-v3-0247 | MMRVUWPWYKRZSESORYNDCO | MMRVUWPWYKRZSESORYNDCO | THE EXPERIMENT CONFIRMS | slidex | slidex | transposition | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
kama-sutra-v3-0204 | HDDXQSLE FXQW BYCBCULM WIXW TL UICSEM XOW CQER XOOCYMHQJ WC WIXW DXAHD PR TIHOI TL OXQ XW WIL UXDL WHDL THEE WIXW HW UICSEM PLOCDL X SQHZLYUXE EXT WIHU OXWLJCYHOXE HDBLYXWHZL MLKHQLU DCYXE MSWR | HDDXQSLE FXQW BYCBCULM WIXW TL UICSEM XOW CQER XOOCYMHQJ WC WIXW DXAHD PR TIHOI TL OXQ XW WIL UXDL WHDL THEE WIXW HW UICSEM PLOCDL X SQHZLYUXE EXT WIHU OXWLJCYHOXE HDBLYXWHZL MLKHQLU DCYXE MSWR | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | kama_sutra | kama_sutra | substitution | {
"type": "keyword",
"value": "VATSYANA"
} | intermediate | en | 160 | 193 | cipher_museum | 2.0 | public | null | null |
porta-019 | LHHIZDCLYJJCPWTG | LHHIZDCLYJJCPWTG | NO PRISONERS TAKEN | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "FORTIFY"
} | intermediate | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
vic-v3-0318 | 9568684223443852 | 9568684223443852 | YANKEE DOODLE | vic | vic | substitution | {
"type": "keyword",
"value": "FREEDOM"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
great-cipher-v2-0304 | 178 143 130 137 178 144 136 128 135 158 157 143 121 166 121 123 157 142 169 145 178 119 101 140 178 103 100 173 168 173 142 154 156 170 156 149 143 131 116 114 147 142 142 181 152 151 162 101 174 138 134 | 178 143 130 137 178 144 136 128 135 158 157 143 121 166 121 123 157 142 169 145 178 119 101 140 178 103 100 173 168 173 142 154 156 170 156 149 143 131 116 114 147 142 142 181 152 151 162 101 174 138 134 | GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "FRANCE"
} | expert | en | 153 | 203 | cipher_museum | 2.0 | public | null | null |
venona-pad-reuse-v3-0204 | DENE4H4ACBJC4JFHPWVQLMISSVB7F4KHRRLFFK4RR2FZCM4VLF3GEC7Y4ANFJF7DKGSVRYGISXWXKLEFXZ745AKPCUYYASWW5MALAAT5UPIVJZG422BP2TOYPJWTTLPOPVZRYAANLVCYYAUASX5DFFW55JLDCQCL | DENE4H4ACBJC4JFHPWVQLMISSVB7F4KHRRLFFK4RR2FZCM4VLF3GEC7Y4ANFJF7DKGSVRYGISXWXKLEFXZ745AKPCUYYASWW5MALAAT5UPIVJZG422BP2TOYPJWTTLPOPVZRYAANLVCYYAUASX5DFFW55JLDCQCL | IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY | venona_pad_reuse | venona_pad_reuse | stream | {
"type": "keyword",
"value": "LIBERTY"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
vigenere-v3-1122 | JCAUILGFGYHZYARRSACCHKESJWSPHZUUNBVZHNPCPGUAVUHBTILZVUZVBBFGYCUWSPHVBXAVRTILSRLVYQVGV | JCAUILGFGYHZYARRSACCHKESJWSPHZUUNBVZHNPCPGUAVUHBTILZVUZVBBFGYCUWSPHVBXAVRTILSRLVYQVGV | CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "HONOR"
} | intermediate | en | 85 | 85 | cipher_museum | 2.0 | public | null | null |
nihilist-088 | 69 60 94 30 66 46 69 89 58 36 66 79 47 89 97 56 90 55 49 80 58 49 99 86 48 60 78 29 60 46 77 79 65 47 57 69 65 67 77 27 88 78 56 77 58 | 69 60 94 30 66 46 69 89 58 36 66 79 47 89 97 56 90 55 49 80 58 49 99 86 48 60 78 29 60 46 77 79 65 47 57 69 65 67 77 27 88 78 56 77 58 | NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE | nihilist | nihilist | fractionation | {
"polybius": "CIPHER",
"keyword": "MUSEUM"
} | advanced | en | 90 | 134 | cipher_museum | 0.2 | public | null | null |
two-square-v3-0126 | SONSNRIHBEEUYASSLCEKBY | SONSNRIHBEEUYASSLCEKBY | SONS OF LIBERTY ASSEMBLE | two_square | two_square | polygraphic | {
"key1": "LIBERTY",
"key2": "FREEDOM"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0753 | HIOBTHTRAOEKEERREEEAWBBRIFASDRECCILJINODTEFNOKTEEDGRQAROERAHFCGTEURSUIPTAOTEHSAMFRGSZLRIOETRYOTHWELCVVAXTCRHTIRAEEERXEOONELOVSIRGXRRCIELHATSLOXSPTNNAOIHTONXFSOETTULEHONX | HIOBTHTRAOEKEERREEEAWBBRIFASDRECCILJINODTEFNOKTEEDGRQAROERAHFCGTEURSUIPTAOTEHSAMFRGSZLRIOETRYOTHWELCVVAXTCRHTIRAEEERXEOONELOVSIRGXRRCIELHATSLOXSPTNNAOIHTONXFSOETTULEHONX | HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST | scytale | scytale | transposition | {
"type": "integer",
"value": 13
} | intermediate | en | 169 | 169 | cipher_museum | 2.0 | public | null | null |
vigenere-es-069 | QFLMYYBILSXAXIUYLM | QFLMYYBILSXAXIUYLM | EL TIEMPO TODO LO CURA | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "MUSEUM"
} | intermediate | es | 18 | 18 | cipher_museum | 0.2 | public | null | null |
cda-0007760 | CSDPB EITLE ODHAH BSEYE HTMAH THYPO RADNE EGIUE VSEOH OEIHA TONOI SGNME DTCET DNRDS FEBHS SNMSE CEWDN URESE EEATA ERIAG NTVES AEORY MASAL RELTE TSCER ITSSN TESNN TTX | CSDPB EITLE ODHAH BSEYE HTMAH THYPO RADNE EGIUE VSEOH OEIHA TONOI SGNME DTCET DNRDS FEBHS SNMSE CEWDN URESE EEATA ERIAG NTVES AEORY MASAL RELTE TSCER ITSSN TESNN TTX | CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A STRONG CLAIM NEEDS STRONG EVIDENCE THE MESSAGE WAS HIDDEN BUT NOT SECURE EVERY SYSTEM NEEDS AN HONEST THREAT MODEL | scytale | scytale | null | {
"cols": 6
} | hard | en | 138 | 138 | synthetic_educational | null | null | [] | |
m94-v2-0007 | QXVVYYHWCIOTCS | QXVVYYHWCIOTCS | SIGNAL FIRES LIT | m94 | m94 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
affine-v3-0272 | BVWVIJQ CJOOZW QVS OEV OEHIS JITD HW J SJIHWB LXVVC JPIZLL YIJWPV YZQQZXHWB OEV MIVJNZRO | BVWVIJQ CJOOZW QVS OEV OEHIS JITD HW J SJIHWB LXVVC JPIZLL YIJWPV YZQQZXHWB OEV MIVJNZRO | GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT | affine | affine | substitution | {
"a": 3,
"b": 9
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
argenti-v3-0304 | 13 64 75 77 63 39 44 42 11 61 64 71 49 28 38 46 11 24 27 29 18 41 61 28 75 21 20 64 11 25 58 87 77 36 23 63 86 28 42 59 11 87 61 64 39 28 33 63 44 11 38 69 27 68 29 48 65 87 57 43 63 44 75 87 49 28 71 38 16 69 77 61 88 10 63 27 42 16 29 37 67 77 11 86 28 87 64 39 44 23 49 11 27 18 63 38 71 44 75 28 38 42 39 69 44 33 41... | 13 64 75 77 63 39 44 42 11 61 64 71 49 28 38 46 11 24 27 29 18 41 61 28 75 21 20 64 11 25 58 87 77 36 23 63 86 28 42 59 11 87 61 64 39 28 33 63 44 11 38 69 27 68 29 48 65 87 57 43 63 44 75 87 49 28 71 38 16 69 77 61 88 10 63 27 42 16 29 37 67 77 11 86 28 87 64 39 44 23 49 11 27 18 63 38 71 44 75 28 38 42 39 69 44 33 41... | 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 | argenti | argenti | nomenclator | {
"type": "seed",
"value": "VATICAN"
} | expert | en | 330 | 494 | cipher_museum | 2.0 | public | null | null |
m209-v3-0192 | AVZAUYCRATZRSPFOUQJYQJZZNLETUZSADBKENLMWNFNWFUQQWPYJAZSJXIYOLEJWHAVDQVWQWBHZLFKVTQZ | AVZAUYCRATZRSPFOUQJYQJZZNLETUZSADBKENLMWNFNWFUQQWPYJAZSJXIYOLEJWHAVDQVWQWBHZLFKVTQZ | DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING | m209 | m209 | machine | {
"type": "seed",
"value": "FREEDOM"
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
cda-0013494 | ┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─ K r· L ⌐ ┌· r r· Γ· K L r K X· ┌· L X r· ┘· X· └ Γ ┌ ⌐ ┐ L ┌ Γ· X X· X L r· ⌐ ┌· Γ L ┌· ┐· ⌐ K K L ┌· ─ ⌒ ┘· ┌· Γ X r· L └ ┐· ¬ ┌· L ⌐ ┐ ┌ ┘· ─ ┘· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r X X· ¬ X K Γ· K X· K Γ· ┘· ─... | ┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─ K r· L ⌐ ┌· r r· Γ· K L r K X· ┌· L X r· ┘· X· └ Γ ┌ ⌐ ┐ L ┌ Γ· X X· X L r· ⌐ ┌· Γ L ┌· ┐· ⌐ K K L ┌· ─ ⌒ ┘· ┌· Γ X r· L └ ┐· ¬ ┌· L ⌐ ┐ ┌ ┘· ─ ┘· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r X X· ¬ X K Γ· K X· K Γ· ┘· ─... | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | pigpen | pigpen | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
cda-0005096 | GUR CYNLSNVE PVCURE RAPELCGF CNVEF BS YRGGREF FVZHYGNARBHFYL GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR GJB FDHNER PVCURE RAPELCGF QVTENCUF JVGU GJB CBYLOVHF NYCUNORGF TEBAFSRYQ HFRF N QVTVG FRDHRAPR NF GUR ERCRNGVAT XRL | GUR CYNLSNVE PVCURE RAPELCGF CNVEF BS YRGGREF FVZHYGNARBHFYL GUR VAQRK BS PBVAPVQRAPR VF N HFRSHY PYHR GJB FDHNER PVCURE RAPELCGF QVTENCUF JVGU GJB CBYLOVHF NYCUNORGF TEBAFSRYQ HFRF N QVTVG FRDHRAPR NF GUR ERCRNGVAT XRL | THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY THE INDEX OF COINCIDENCE IS A USEFUL CLUE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY | rot13 | rot13 | null | {
"shift": 13
} | hard | en | 186 | 186 | synthetic_educational | null | null | [
"brute_force_26",
"self_inverse_check"
] | ROT-13 is Caesar with shift 13 — it is its own inverse. |
geez-monastic-v2-0235 | MTIJTFTYOFTIJTFTCFTATSIZIELTAOYIJTXSEITBAIZITAOYZQTFEPZESVTSTFZHPOSVFTAAZAATQRHTBZCCTZHESVIOIJTAXCFTQTKXBVTOYIJTMOFHBYOFIJTFTPIEIXBTOYOXFESITSIEOSABOAOHTQSHWCXRHEAJ | MTIJTFTYOFTIJTFTCFTATSIZIELTAOYIJTXSEITBAIZITAOYZQTFEPZESVTSTFZHPOSVFTAAZAATQRHTBZCCTZHESVIOIJTAXCFTQTKXBVTOYIJTMOFHBYOFIJTFTPIEIXBTOYOXFESITSIEOSABOAOHTQSHWCXRHEAJ | WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 164 | 164 | cipher_museum | 2.0 | public | null | null |
voynich-render-v3-0067 | jogxir jd covd sizre gcd xgqzygzqd is ero ore kg kx o eizafd cdfkb is aqdogcgopkrh adozgu | jogxir jd covd sizre gcd xgqzygzqd is ero ore kg kx o eizafd cdfkb is aqdogcgopkrh adozgu | WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY | voynich_render | voynich_render | substitution | {
"type": "none",
"value": null
} | expert | en | 73 | 89 | cipher_museum | 2.0 | public | null | null |
cda-0004290 | LTBE TLPI YGOK IBMR TJXA KAMG PIDI XATU FKPF TOZE XTED VUOI | LTBE TLPI YGOK IBMR TJXA KAMG PIDI XATU FKPF TOZE XTED VUOI | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | autokey | autokey | null | {
"primer": "LIBRARY"
} | medium | en | 48 | 48 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
diana-133 | ORYFGOENANMGOEL | ORYFGOENANMGOEL | ENEMY FORCES NEAR | diana | diana | polyalphabetic | {
"type": "keyword",
"value": "SECRET"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
geheimschreiber-v2-0412 | RGGAYONSLNOJTCVMM | RGGAYONSLNOJTCVMM | NOVUS ORDO SECLORUM | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "TEUTON"
} | expert | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
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