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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
porta-065 | FYYSMVECPCRTSRK | FYYSMVECPCRTSRK | THE COAST IS CLEAR | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | en | 15 | 15 | cipher_museum | 0.2 | public | null | null |
cda-0013620 | OTRU DBZX HJSN CDHI MBOW IFOV HSJM CXMO CRAR ZVSL MMGS PXDW WTQJ MQTR WOCY FEUB YDOA SRIS YTDY RLTB LJHC RBGE RNIW GMVJ JDRY DBVH OVRP XFUE OLSU SKLF EVYH MBLZ CITS VNCY ICDA JSUP WKFX RTJR JKRD REPN ZGJQ VAPN WLTC XGOT BQJ | OTRU DBZX HJSN CDHI MBOW IFOV HSJM CXMO CRAR ZVSL MMGS PXDW WTQJ MQTR WOCY FEUB YDOA SRIS YTDY RLTB LJHC RBGE RNIW GMVJ JDRY DBVH OVRP XFUE OLSU SKLF EVYH MBLZ CITS VNCY ICDA JSUP WKFX RTJR JKRD REPN ZGJQ VAPN WLTC XGOT BQJ | THE INDEX OF COINCIDENCE IS A USEFUL CLUE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | vernam | vernam | null | {} | hard | en | 179 | 179 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
atbash-v2-0061 | ZHP DSZG BLF XZM WL ULI BLFI XLFMGIB MLG DSZG BLFI XLFMGIB XZM WL ULI BLF GLWZB ZMW ZODZBH | ZHP DSZG BLF XZM WL ULI BLFI XLFMGIB MLG DSZG BLFI XLFMGIB XZM WL ULI BLF GLWZB ZMW ZODZBH | ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 72 | 90 | cipher_museum | 2.0 | public | null | null |
bacon-cipher-v3-0028 | AAABB ABBAB ABBAA BAABA AABAB ABAAA BAAAA AABAA BAABA ABAAA ABABA ABABA BABBB ABBAB BAABB BAAAB AABAA AABAA BAABA AABBB AABAA BABAB AABBB ABAAA BAABA AABAA BAAAB | AAABB ABBAB ABBAA BAABA AABAB ABAAA BAAAA AABAA BAABA ABAAA ABABA ABABA BABBB ABBAB BAABB BAAAB AABAA AABAA BAABA AABBB AABAA BABAB AABBB ABAAA BAABA AABAA BAAAB | DONT FIRE TILL YOU SEE THE WHITES | bacon_cipher | bacon_cipher | steganography | {
"type": "none",
"value": null
} | beginner | en | 135 | 161 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v3-0370 | QAD GBRAQ YKS PDD EOKI NBPQTJQ PQTOP GDEQ QAKPD PSJP QAKSPTJNP KE YDTOP HDEKOD YKSO HBOQA | QAD GBRAQ YKS PDD EOKI NBPQTJQ PQTOP GDEQ QAKPD PSJP QAKSPTJNP KE YDTOP HDEKOD YKSO HBOQA | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "THUNDER"
} | beginner | en | 74 | 89 | cipher_museum | 2.0 | public | null | null |
cda-0019608 | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a... | ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a11⟩ ⟨w32⟩ ⟨a23⟩ ⟨w32⟩ ⟨a17⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w14⟩ ⟨w10⟩ ⟨w04⟩ ⟨a11⟩ ⟨w32⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨a11⟩ ⟨w32⟩ ⟨w28⟩ ⟨w22⟩ ⟨w22⟩ ⟨w16⟩ ⟨w28⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w32⟩ ⟨a25⟩ ⟨a29⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a... | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION CAREFULLY | babington | babington | null | {} | hard | en | 189 | 189 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
cda-0015913 | 44 23 15 11 45 44 34 25 15 54 13 24 35 23 15 42 15 53 44 15 33 14 43 44 23 15 25 15 54 52 24 44 23 44 23 15 35 31 11 24 33 44 15 53 44 24 44 43 15 31 21 35 34 31 54 11 31 35 23 11 12 15 44 24 13 13 24 35 23 15 42 43 45 43 15 32 45 31 44 24 35 31 15 11 31 35 23 11 12 15 44 43 23 24 21 44 43 35 34 31 54 12 24 45 43 15 33... | 44 23 15 11 45 44 34 25 15 54 13 24 35 23 15 42 15 53 44 15 33 14 43 44 23 15 25 15 54 52 24 44 23 44 23 15 35 31 11 24 33 44 15 53 44 24 44 43 15 31 21 35 34 31 54 11 31 35 23 11 12 15 44 24 13 13 24 35 23 15 42 43 45 43 15 32 45 31 44 24 35 31 15 11 31 35 23 11 12 15 44 43 23 24 21 44 43 35 34 31 54 12 24 45 43 15 33... | THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE | polybius | polybius | null | {} | hard | en | 196 | 196 | synthetic_educational | null | null | [
"pair_decode",
"frequency_analysis"
] | Polybius square: 5×5 grid maps letters to two-digit row-column pairs. |
cda-0009733 | GURY VOEN ELCE RFRE IRFX ABJY RQTR SBEG URPB ZZHA VGL | GURY VOEN ELCE RFRE IRFX ABJY RQTR SBEG URPB ZZHA VGL | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 43 | 43 | synthetic_educational | null | null | [] | |
straddling-checkerboard-022 | 07408123729125593922596 | 07408123729125593922596 | AWAIT FURTHER ORDERS | straddling_checkerboard | straddling_checkerboard | substitution | {
"type": "top_row",
"value": "ATONESIRE"
} | advanced | en | 23 | 23 | cipher_museum | 0.2 | public | null | null |
cda-0021712 | okeedy sharal qokeedy raiin daral otain lkaiin ypchol okedy qotedy okedy ctaiin shedy cheol ykcheol okeedy oxed okain aiiin okedy okshy daral otedy chedy ypchol otaiin oxed daral dal rcheol ypchol okedy chedy otedy aiiin oror okal ytaiin sheol sheol rcheol rcheol qokeedy rcheol dainy rcheol daiin sharal shal daral dal ... | okeedy sharal qokeedy raiin daral otain lkaiin ypchol okedy qotedy okedy ctaiin shedy cheol ykcheol okeedy oxed okain aiiin okedy okshy daral otedy chedy ypchol otaiin oxed daral dal rcheol ypchol okedy chedy otedy aiiin oror okal ytaiin sheol sheol rcheol rcheol qokeedy rcheol dainy rcheol daiin sharal shal daral dal ... | HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS | voynich_render | voynich_render | null | {} | hard | en | 355 | 355 | synthetic_educational | null | null | [
"statistical_analysis",
"unsolved"
] | Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output. |
adfgvx-v2-0296 | VGXVVDDDVDAFXGADDAXDFAADXDXDADVAGDXAGDGVDXAFAADADDFXAADFFDDDVAXFXAXGXAADDDAAGGDADAFGAADAGDXAFDAGXADFFFDADDAADDDDAXDAGAVDAGAAFDFGFFXGVDAD | VGXVVDDDVDAFXGADDAXDFAADXDXDADVAGDXAGDGVDXAFAADADDFXAADFFDDDVAXFXAXGXAADDDAAGGDADAFGAADAGDXAFDAGXADFFFDADDAADDDDAXDAGAVDAGAAFDFGFFXGVDAD | COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE | adfgvx | adfgvx | fractionation | {
"polybius": "TRIUMPH",
"columnar": "JUSTICE"
} | advanced | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0526 | OPGQSUYJNJTFPASG | OPGQSUYJNJTFPASG | THE GATES HOLD FIRM | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "VICKSBURG"
} | intermediate | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
argenti-080 | 47 87 75 12 31 69 42 53 11 20 70 50 87 72 54 19 76 | 47 87 75 12 31 69 42 53 11 20 70 50 87 72 54 19 76 | CRYPTOGRAPHY RULES | argenti | argenti | nomenclator | {
"type": "seed",
"value": "CIPHER"
} | expert | en | 34 | 50 | cipher_museum | 0.2 | public | null | null |
kl7-v2-0190 | CZDQYOYGZDWWELEDDBBPMIYZROMCYJKWCNTFJUVJSFYQNDOVSVARFWKANXYOJJGVYFDPGKCLPBX | CZDQYOYGZDWWELEDDBBPMIYZROMCYJKWCNTFJUVJSFYQNDOVSVARFWKANXYOJJGVYFDPGKCLPBX | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | kl7 | kl7 | machine | {
"type": "seed",
"value": "LIBERTY"
} | expert | en | 75 | 75 | cipher_museum | 2.0 | public | null | null |
slidex-v2-0020 | GCLKAORUXVVEAMUNLPLNAX | GCLKAORUXVVEAMUNLPLNAX | EXTRACTION POINT CHANGED | slidex | slidex | transposition | {
"type": "keyword",
"value": "BLETCHLEY"
} | advanced | en | 22 | 22 | cipher_museum | 2.0 | public | null | null |
chaocipher-v2-0388 | VEMQOLMHBBWOKRWLTXGNE | VEMQOLMHBBWOKRWLTXGNE | BRIDGE DESTROYED AT DAWN | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "JUSTICE"
} | advanced | en | 21 | 21 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v2-0358 | EONOCINLRUHOPSGLSRLNOLCDTRIIARELUIANEGPCDREBAMTHETNPDRNRUNOCSBYSEVHKEDMEMASEPIAEE | EONOCINLRUHOPSGLSRLNOLCDTRIIARELUIANEGPCDREBAMTHETNPDRNRUNOCSBYSEVHKEDMEMASEPIAEE | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "BATTLE"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
cda-0013407 | 858 823 813 999 826 840 809 814 871 999 842 817 999 806 844 826 839 806 825 810 812 841 807 812 999 826 856 999 801 999 862 856 812 816 860 834 999 807 835 860 812 999 857 823 813 999 802 852 806 823 826 859 813 806 857 862 852 812 999 855 822 842 862 834 810 999 837 801 831 814 999 836 824 854 862 854 812 999 821 802 ... | 858 823 813 999 826 840 809 814 871 999 842 817 999 806 844 826 839 806 825 810 812 841 807 812 999 826 856 999 801 999 862 856 812 816 860 834 999 807 835 860 812 999 857 823 813 999 802 852 806 823 826 859 813 806 857 862 852 812 999 855 822 842 862 834 810 999 837 801 831 814 999 836 824 854 862 854 812 999 821 802 ... | THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER | culper_ring | culper_ring | null | {} | hard | en | 173 | 173 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
cda-0007048 | FSKH HRGU MBDT YNHT TBWR FZJD RGFS QPWY GAQB DTOF SCJI GISH AXQT RFUX RHKY BJSY FLWC QUAL NMEY SSIP P | FSKH HRGU MBDT YNHT TBWR FZJD RGFS QPWY GAQB DTOF SCJI GISH AXQT RFUX RHKY BJSY FLWC QUAL NMEY SSIP P | FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION | trithemius | trithemius | null | {} | hard | en | 81 | 81 | synthetic_educational | null | null | [] | |
nihilist-v3-0270 | 24 36 77 23 26 59 54 24 57 78 22 35 57 53 45 57 66 52 45 36 75 48 46 77 32 36 67 63 37 46 68 23 36 37 47 58 59 67 34 54 66 74 56 25 69 43 26 67 65 25 27 87 45 45 56 56 67 25 67 43 46 57 63 45 26 68 52 47 68 83 45 26 87 26 45 67 43 | 24 36 77 23 26 59 54 24 57 78 22 35 57 53 45 57 66 52 45 36 75 48 46 77 32 36 67 63 37 46 68 23 36 37 47 58 59 67 34 54 66 74 56 25 69 43 26 67 65 25 27 87 45 45 56 56 67 25 67 43 46 57 63 45 26 68 52 47 68 83 45 26 87 26 45 67 43 | THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT | nihilist | nihilist | fractionation | {
"polybius": "TRIUMPH",
"keyword": "JUSTICE"
} | advanced | en | 154 | 230 | cipher_museum | 2.0 | public | null | null |
kl7-217 | LUTPBZEUHCHAMEXUYJNZMLACXOZZALLQJIQPAPGOYG | LUTPBZEUHCHAMEXUYJNZMLACXOZZALLQJIQPAPGOYG | GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY | kl7 | kl7 | machine | {
"type": "seed",
"value": "MUSEUM"
} | expert | en | 42 | 42 | cipher_museum | 0.2 | public | null | null |
cda-0014603 | 91 3 82 99 50 63 72 11 66 91 59 76 81 35 66 63 88 22 3 11 3 48 82 58 34 1 15 57 33 30 33 68 68 48 34 50 78 59 68 88 45 32 91 43 14 67 11 91 66 25 32 25 49 76 70 | 91 3 82 99 50 63 72 11 66 91 59 76 81 35 66 63 88 22 3 11 3 48 82 58 34 1 15 57 33 30 33 68 68 48 34 50 78 59 68 88 45 32 91 43 14 67 11 91 66 25 32 25 49 76 70 | TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION | homophonic | homophonic | null | {} | medium | en | 55 | 55 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
playfair-v2-0687 | ULFNGNCGGVUYTGMKQHETCTQPTUCUPOIOCUMQGEREPNIFGFQIUBPZNCIGMZRHULBVABTCFNRIRHHFQEQPTCGANF | ULFNGNCGGVUYTGMKQHETCTQPTUCUPOIOCUMQGEREPNIFGFQIUBPZNCIGMZRHULBVABTCFNRIRHHFQEQPTCGANF | THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "JUSTICE"
} | intermediate | en | 86 | 86 | cipher_museum | 2.0 | public | null | null |
geheimschreiber-v2-0133 | KDXADAVUNMBHNU | KDXADAVUNMBHNU | SIGNAL FIRES LIT | geheimschreiber | geheimschreiber | machine | {
"type": "seed",
"value": "KAISER"
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
alberti-disk-271 | JAYFEAICBIBRIQJDJQHZXQXGWDOFDWILOUCOXIIRFQDOUVMUEZGUTNYVP | JAYFEAICBIBRIQJDJQHZXQXGWDOFDWILOUCOXIIRFQDOUVMUEZGUTNYVP | WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 22
} | expert | en | 57 | 57 | cipher_museum | 0.2 | public | null | null |
jefferson-disk-v3-0240 | DKQOWTFDLEAAZUWHMJMJKZZRDEGKVAPUWZSSNEQVARADYEAAHTSVMZSUXHGGZLIHIPNPEQWCDK | DKQOWTFDLEAAZUWHMJMJKZZRDEGKVAPUWZSSNEQVARADYEAAHTSVMZSUXHGGZLIHIPNPEQWCDK | THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "1,3,5,2,4,6"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0011122 | FHPF GWGH GWBA QVCU SEFZ OCRO QUYS GGSE GBOR VTTR ESAG YSGG SEPE LCGB UEOC ULES JOEQ FCOG WSAQ SOAR QOES THYG UWAX VAUZ BRSE ASAQ ELCG WBAV FABG PEBX RAPL YSGG SESE SDHS ANL | FHPF GWGH GWBA QVCU SEFZ OCRO QUYS GGSE GBOR VTTR ESAG YSGG SEPE LCGB UEOC ULES JOEQ FCOG WSAQ SOAR QOES THYG UWAX VAUZ BRSE ASAQ ELCG WBAV FABG PEBX RAPL YSGG SESE SDHS ANL | SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | porta | porta | null | {
"key": "PATTERN"
} | hard | en | 139 | 139 | synthetic_educational | null | null | [] | |
kryptos-v2-0006 | DYMGFPFPGXJHJ | DYMGFPFPGXJHJ | THE PASS IS HELD | kryptos | kryptos | polyalphabetic | {
"type": "keyword",
"value": "SHADOW"
} | advanced | en | 13 | 13 | cipher_museum | 2.0 | public | null | null |
vic-v2-0225 | 824090548440846952889586462486462479190908348841890858646249083493688189629091655957482910908340494908265490836908993448689818885849083408588908393155788108290858591884688899083425689838581884898591080108268884898591887884908388406884658846809510908348114580 | 824090548440846952889586462486462479190908348841890858646249083493688189629091655957482910908340494908265490836908993448689818885849083408588908393155788108290858591884688899083425689838581884898591080108268884898591887884908388406884658846809510908348114580 | 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 | vic | vic | substitution | {
"type": "keyword",
"value": "NICKEL"
} | advanced | en | 258 | 258 | cipher_museum | 2.0 | public | null | null |
cda-0017561 | 36 59 77 68 29 80 82 68 11 68 20 57 82 69 59 66 65 59 66 61 36 69 59 57 11 61 36 69 89 68 57 57 80 82 68 61 69 29 50 29 25 61 66 82 65 61 | 36 59 77 68 29 80 82 68 11 68 20 57 82 69 59 66 65 59 66 61 36 69 59 57 11 61 36 69 89 68 57 57 80 82 68 61 69 29 50 29 25 61 66 82 65 61 | HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS | wallis_cipher | wallis_cipher | null | {} | medium | en | 46 | 46 | synthetic_educational | null | null | [
"number_substitution_decode",
"frequency_analysis"
] | Wallis cipher: each letter mapped to a unique two-digit number from a fixed table. |
geez-monastic-v2-0135 | IJTJZFROFEAPHTZF | IJTJZFROFEAPHTZF | THE HARBOR IS CLEAR | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "AXUM"
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
geez-monastic-v3-0305 | UFMPVQAVHQDVAJZVYMPVQAWYAUFVHZFWPUPVBMUFMPVQAUFLDVASJUFWPPUFJYMFMWQUWYASJUFWPPUFLZVHPWYASJUFWPPUFLGJDFUWYAUFMZMSVQAZSFJIFJIVGGWYAUFMMUFJZAWLZFWPPXMJYUFJYMFMWQU | UFMPVQAVHQDVAJZVYMPVQAWYAUFVHZFWPUPVBMUFMPVQAUFLDVASJUFWPPUFJYMFMWQUWYASJUFWPPUFLZVHPWYASJUFWPPUFLGJDFUWYAUFMZMSVQAZSFJIFJIVGGWYAUFMMUFJZAWLZFWPPXMJYUFJYMFMWQU | 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 | geez_monastic | geez_monastic | substitution | {
"type": "keyword",
"value": "LALIBELA"
} | advanced | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
autokey-v3-0140 | LFROZXQWDGLVQGQEIA | LFROZXQWDGLVQGQEIA | GRAVITY EXPLAINS ALL | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 18 | 18 | cipher_museum | 2.0 | public | null | null |
bazeries-118 | EBSEBWEPEBSPEYEPLNRPLSTEPLFKCPLQSTBWEYPEVEGTLRLREBSLSGLYPLGALNRLANTEEBSPSQCBSPRPLGEBBSRKTQKGGUNEEBSQQEBSNLEPRGPLWEEBSRKTRSTBSYBSGGEWKCEPE | EBSEBWEPEBSPEYEPLNRPLSTEPLFKCPLQSTBWEYPEVEGTLRLREBSLSGLYPLGALNRLANTEEBSPSQCBSPRPLGEBBSRKTQKGGUNEEBSQQEBSNLEPRGPLWEEBSRKTRSTBSYBSGGEWKCEPE | WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN | bazeries | bazeries | transposition | {
"type": "integer",
"value": 13
} | advanced | en | 137 | 137 | cipher_museum | 0.2 | public | null | null |
cda-0012494 | AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAAAA AABAA AAAAA AAABB BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA BAAAB ABAAA ABBAA ABAAB AABAA BABBA ABBAB BAAAA AAABB AABAA BAAAA BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BA... | AAABA ABBAB ABABA BAABB ABABB ABBAA AAAAA BAAAA BAABA BAAAA AAAAA ABBAA BAAAB ABBBA ABBAB BAAAB ABAAA BAABA ABAAA ABBAB ABBAA BAAAA AABAA AAAAA AAABB BAAAB AAABA ABBAB ABABA BAABB ABABB ABBAA BAAAB ABAAA ABBAA ABAAB AABAA BABBA ABBAB BAAAA AAABB AABAA BAAAA BAAAA ABBAB BAABB BAABA AABAA AAABA ABAAA ABBBA AABBB AABAA BA... | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE VIGENERE CIPHER USES A REPEATING KEYWORD | bacon_cipher | bacon_cipher | null | {} | hard | en | 655 | 655 | synthetic_educational | null | null | [
"five_bit_decode",
"ab_frequency_analysis"
] | Bacon's biliteral cipher: each letter encoded as 5-bit A/B string. |
atbash-v2-0070 | JFLGS GSV IZEVM MVEVINLIV GSV YRIW HZG LM GSV YFHG LU KZOOZH QFHG ZYLEV NB XSZNYVI WLLI | JFLGS GSV IZEVM MVEVINLIV GSV YRIW HZG LM GSV YFHG LU KZOOZH QFHG ZYLEV NB XSZNYVI WLLI | QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR | atbash | atbash | substitution | {
"type": "none",
"value": null
} | beginner | en | 71 | 87 | cipher_museum | 2.0 | public | null | null |
enigma-329 | NKULMGNCPUTXZURG | NKULMGNCPUTXZURG | LOCK DOWN ALL GATES | enigma | enigma | machine | {
"type": "rotor_start",
"value": "DOG"
} | expert | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
cda-0014556 | ⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ | ⟨a11⟩ ⟨a19⟩ ⟨w28⟩ ⟨a25⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨w14⟩ ⟨w20⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨w38⟩ ⟨w22⟩ ⟨w10⟩ ⟨a07⟩ ⟨a01⟩ ⟨w40⟩ ⟨w34⟩ ⟨a29⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨w14⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a01⟩ ⟨a01⟩ | BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL | babington | babington | null | {} | medium | en | 41 | 41 | synthetic_educational | null | null | [
"nomenclator_frequency",
"symbol_mapping"
] | Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot. |
vigenere-es-020 | RRRGBONZZTKHCUMBNSTKC | RRRGBONZZTKHCUMBNSTKC | PATRIA LIBERTAD O MUERTE | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "CRYPTO"
} | intermediate | es | 21 | 21 | cipher_museum | 0.2 | public | null | null |
porta-v3-0167 | GLWQRCKUXONTXXQWFIPXENVLWRUFESOHTFMLZREZLUSPXWXFZEKUXUCZPARBKJRTPMJLXVJMWFOAL | GLWQRCKUXONTXXQWFIPXENVLWRUFESOHTFMLZREZLUSPXWXFZEKUXUCZPARBKJRTPMJLXVJMWFOAL | ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0021635 | AMODE LCANX LASSI FYPAT TERNS BUTIT CANAL SOBEW RONGH ILLCI PHERU SESLX NEARZ LGEBR ATOEN CRYPT BLOCK SOFLZ TTERX | AMODE LCANX LASSI FYPAT TERNS BUTIT CANAL SOBEW RONGH ILLCI PHERU SESLX NEARZ LGEBR ATOEN CRYPT BLOCK SOFLZ TTERX | A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS | commercial_code | commercial_code | null | {} | hard | en | 95 | 95 | synthetic_educational | null | null | [
"codebook_frequency",
"five_letter_group_analysis"
] | Commercial code: five-letter groups from a codebook, often ending in X or Z. |
playfair-v2-0929 | LWPDBATAQDVMOCORGBNPAOQLCTOCEPFQDTGOLMTWPCPFLTWQDTQTWPADVGGOPOBOTWTQWICTWQDTQLWPHIQTBOMTNPDTQLWPHIZEEDAMTWQKAOHKNPDTOCQNFQDTMPZDQLCTKYMBNZTCBQEGHEMBEHLZWDATCPEPMZWHTDENLBTEZAWLLISY | LWPDBATAQDVMOCORGBNPAOQLCTOCEPFQDTGOLMTWPCPFLTWQDTQTWPADVGGOPOBOTWTQWICTWQDTQLWPHIQTBOMTNPDTQLWPHIZEEDAMTWQKAOHKNPDTOCQNFQDTMPZDQLCTKYMBNZTCBQEGHEMBEHLZWDATCPEPMZWHTDENLBTEZAWLLISY | 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 | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 180 | 180 | cipher_museum | 2.0 | public | null | null |
playfair-v2-1000 | SARQPMPNIGIRDLOPNMRMMSIKPGIGCAZFSGIDCTPCQAPNAPIKPGEOQCSGDOTNCTELVHHPRMIYRZQY | SARQPMPNIGIRDLOPNMRMMSIKPGIGCAZFSGIDCTPCQAPNAPIKPGEOQCSGDOTNCTELVHHPRMIYRZQY | TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "COURAGE"
} | intermediate | en | 76 | 76 | cipher_museum | 2.0 | public | null | null |
porta-v2-0173 | BTTEVJLPNEEMUYNBZIRTNDVCXZRZNBHOLYMBEPRKGRSNQUXVBIFHHRTYHOGYWJYXSA | BTTEVJLPNEEMUYNBZIRTNDVCXZRZNBHOLYMBEPRKGRSNQUXVBIFHHRTYHOGYWJYXSA | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | porta | porta | polyalphabetic | {
"type": "keyword",
"value": "RENAISSANCE"
} | intermediate | en | 66 | 66 | cipher_museum | 2.0 | public | null | null |
noisy-caesar-ocr_light-008 | EOHWFKOHB SDVN FRGHEUHDNHUV VKRUWHQHG WKH ZDU EB SHUKDSV WZR BHDUV | EOHWFKOHB SDVN FRGHEUHDNHUV VKRUWHQHG WKH ZDU EB SHUKDSV WZR BHDUV | BLETCHLEY PARK CODEBREAKERS SHORTENED THE WAR BY PERHAPS TWO YEARS | caesar | caesar | substitution | {
"type": "shift",
"value": 3
} | beginner | en | 57 | 66 | cipher_museum | 0.2 | public | null | null |
cda-0022063 | NLWV IMVM XIBK GRLM RHML GYIL PVMY BOVG GVIU IVJF VMXB VMGI LKBN VZHF IVHF MXVI GZRM GBRM ZWRH GIRY FGRL MSRH GLIR XZOX RKSV IHZI VGVZ XSVI HMLG KILG VXGR LMGS VORY IZIB KIVH VIEV HPML DOVW TVUL IGSV XLNN FMRG B | NLWV IMVM XIBK GRLM RHML GYIL PVMY BOVG GVIU IVJF VMXB VMGI LKBN VZHF IVHF MXVI GZRM GBRM ZWRH GIRY FGRL MSRH GLIR XZOX RKSV IHZI VGVZ XSVI HMLG KILG VXGR LMGS VORY IZIB KIVH VIEV HPML DOVW TVUL IGSV XLNN FMRG B | MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY | atbash | atbash | null | {} | hard | en | 169 | 169 | synthetic_educational | null | null | [
"self_inverse_check",
"frequency_analysis"
] | Atbash maps A↔Z, B↔Y, … and is its own inverse. |
hill-v2-0326 | BKEAANSSPSUHJWPDMYFPWQJXUYNAWPBKRAUHHESGTYZMBKLOLHSXHDNYJXXCRQGVBLBKFEYHEAXPUJ | BKEAANSSPSUHJWPDMYFPWQJXUYNAWPBKRAUHHESGTYZMBKLOLHSXHDNYJXXCRQGVBLBKFEYHEAXPUJ | RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT | hill | hill | polygraphic | {
"a": 7,
"b": 3,
"c": 4,
"d": 5
} | advanced | en | 78 | 78 | cipher_museum | 2.0 | public | null | null |
fractionated-morse-v3-0085 | OPUEFNEUCSFFNQLDHUKTXFLQNOPUAVSXFLPXBOSFPVNOPUIFNJPXLOBOFNJBCUCUPUCSBFLQNOPUPXBOSG | OPUEFNEUCSFFNQLDHUKTXFLQNOPUAVSXFLPXBOSFPVNOPUIFNJPXLOBOFNJBCUCUPUCSBFLQNOPUPXBOSG | THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES | fractionated_morse | fractionated_morse | fractionation | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
scytale-v2-0173 | WHDENTSWEESRMDLRIPATEAOEOTXRUADULUHXEFMERINAXSFSOLFDSXUAANIEELXCSRATIDEX | WHDENTSWEESRMDLRIPATEAOEOTXRUADULUHXEFMERINAXSFSOLFDSXUAANIEELXCSRATIDEX | WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP | scytale | scytale | transposition | {
"type": "integer",
"value": 9
} | intermediate | en | 72 | 72 | cipher_museum | 2.0 | public | null | null |
cda-0003320 | EPFCISPTYCAZFJEITTJOFSNGIVQRTKCXKKGTADNUMVMBQYEZXTXIAREHMMTNOQXTMQZZLNAUBBEMKGZRXLIRZPY | EPFCISPTYCAZFJEITTJOFSNGIVQRTKCXKKGTADNUMVMBQYEZXTXIAREHMMTNOQXTMQZZLNAUBBEMKGZRXLIRZPY | THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH | autokey | autokey | null | {
"primer": "LIBRARY"
} | hard | en | 87 | 87 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
adfgx-197 | FFXFDGFGAGAGGDFGFDDFAFDFDAAFDAFG | FFXFDGFGAGAGGDFGFDDFAFDFDAAFDAFG | LOCK DOWN ALL GATES | adfgx | adfgx | fractionation | {
"polybius": "ENIGMA",
"columnar": "CRYPTO"
} | advanced | en | 32 | 32 | cipher_museum | 0.2 | public | null | null |
chaocipher-v3-0060 | QVKAQPVMZMDDZPPOSPTNLDHPFWJMGTRLCJIKKLSQWGYEYDYVUKGAELFMMJHGHVIIXLKKUOSDAR | QVKAQPVMZMDDZPPOSPTNLDHPFWJMGTRLCJIKKLSQWGYEYDYVUKGAELFMMJHGHVIIXLKKUOSDAR | CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "PALACE"
} | advanced | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
cda-0014665 | KPYL PCOX VFLK EPKP FNOC AMKS JAAJ HWRL KCRS RQOP XFMH UEMM PFZC NKKW JAFE ZMQA DVGT CJQC VNAG UKK | KPYL PCOX VFLK EPKP FNOC AMKS JAAJ HWRL KCRS RQOP XFMH UEMM PFZC NKKW JAFE ZMQA DVGT CJQC VNAG UKK | ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE A STRONG CLAIM NEEDS STRONG EVIDENCE | vernam | vernam | null | {} | medium | en | 79 | 79 | synthetic_educational | null | null | [
"key_reuse_attack",
"information_theoretic_proof"
] | Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP. |
hill-289 | VCBOBBFQURZFTNXORKNPRAEOOKRKHPHNTNRAGNQSFQKJJHRDMHKSRDGX | VCBOBBFQURZFTNXORKNPRAEOOKRKHPHNTNRAGNQSFQKJJHRDMHKSRDGX | TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND | hill | hill | polygraphic | {
"a": 7,
"b": 5,
"c": 2,
"d": 3
} | advanced | en | 56 | 56 | cipher_museum | 0.2 | public | null | null |
chaocipher-024 | ETPAAYFDVR | ETPAAYFDVR | TRUST NO ONE | chaocipher | chaocipher | machine | {
"type": "keyword",
"value": "CHAOCIPHER"
} | advanced | en | 10 | 10 | cipher_museum | 0.2 | public | null | null |
columnar-transposition-v3-0940 | LSRHONYGTAESEENDTIAD | LSRHONYGTAESEENDTIAD | THE LEGIONS STAND READY | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
confederate-vigenere-v3-0016 | MRPJLVKMSKTEJCSPK | MRPJLVKMSKTEJCSPK | ARCHERS TO THE WALLS | confederate_vigenere | confederate_vigenere | polyalphabetic | {
"type": "keyword",
"value": "MANCHESTER"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
columnar-transposition-v3-0148 | IITASHYEAARLVWERR | IITASHYEAARLVWERR | THE RAILWAY ARRIVES | columnar_transposition | columnar_transposition | transposition | {
"type": "keyword",
"value": "FORTRESS"
} | intermediate | en | 17 | 17 | cipher_museum | 2.0 | public | null | null |
cda-0004897 | DLCUPJJLHQSJMGJSDDWZFANTGLNPTSTAKMSHYWZXDBKHGJPBKXHAWGPIZHHDENUEBOEPFXDOMHBHMSRMSROHZHRPLJSNABTAGKHLXWWOPKZVKVRGZTJMGBWVMSVWPVEIMNZSREGSPZ | DLCUPJJLHQSJMGJSDDWZFANTGLNPTSTAKMSHYWZXDBKHGJPBKXHAWGPIZHHDENUEBOEPFXDOMHBHMSRMSROHZHRPLJSNABTAGKHLXWWOPKZVKVRGZTJMGBWVMSVWPVEIMNZSREGSPZ | THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE VIGENERE CIPHER USES A REPEATING KEYWORD | autokey | autokey | null | {
"primer": "KEY"
} | hard | en | 138 | 138 | synthetic_educational | null | null | [
"running_key_analysis",
"index_of_coincidence"
] | Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack. |
cda-0012820 | 11 50 25 80 68 65 36 68 29 11 66 80 50 25 80 68 65 36 76 80 82 72 59 82 29 52 50 82 61 82 73 65 69 61 82 61 50 77 65 57 82 52 50 65 36 82 80 61 | 11 50 25 80 68 65 36 68 29 11 66 80 50 25 80 68 65 36 76 80 82 72 59 82 29 52 50 82 61 82 73 65 69 61 82 61 50 77 65 57 82 52 50 65 36 82 80 61 | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS | wallis_cipher | wallis_cipher | null | {} | medium | en | 48 | 48 | 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-v2-0328 | ACNOIDHCETIAELLETNFROMSUTEDUNTDSRFMARTAROITDANHONDMEDLESPSLARHNOIOWYIROGPARGW | ACNOIDHCETIAELLETNFROMSUTEDUNTDSRFMARTAROITDANHONDMEDLESPSLARHNOIOWYIROGPARGW | ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW | stager_route | stager_route | transposition | {
"type": "integer",
"value": 11
} | expert | en | 77 | 77 | cipher_museum | 2.0 | public | null | null |
cda-0016806 | 846 843 834 872 805 825 862 855 999 813 839 806 844 809 813 809 999 835 814 858 858 814 852 856 999 802 856 999 847 801 825 851 855 999 843 815 999 840 862 838 804 813 853 854 999 815 853 842 838 999 842 841 813 999 857 842 999 815 825 863 814 999 | 846 843 834 872 805 825 862 855 999 813 839 806 844 809 813 809 999 835 814 858 858 814 852 856 999 802 856 999 847 801 825 851 855 999 843 815 999 840 862 838 804 813 853 854 999 815 853 842 838 999 842 841 813 999 857 842 999 815 825 863 814 999 | POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE | culper_ring | culper_ring | null | {} | medium | en | 51 | 51 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
jefferson-disk-v3-0076 | RIDDCIIVXDVEMNXDZUZTHNNXWTHFUVYEMZBIVOLHTSCYHPMKIIXAMVKFJYMESKMAMONNBOUCIH | RIDDCIIVXDVEMNXDZUZTHNNXWTHFUVYEMZBIVOLHTSCYHPMKIIXAMVKFJYMESKMAMONNBOUCIH | WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER | jefferson_disk | jefferson_disk | disk | {
"type": "disk_order",
"value": "4,2,6,1,3,5"
} | expert | en | 74 | 74 | cipher_museum | 2.0 | public | null | null |
slidex-077 | FCZCHQKRTXCJZFDF | FCZCHQKRTXCJZFDF | MEET AT THE OLD OAK | slidex | slidex | transposition | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 16 | 16 | cipher_museum | 0.2 | public | null | null |
vigenere-v3-0808 | SCNMEMMCPVQRGGYBFPCBEPVDIXTRSMSMEZPPTJIJHLAMSWFGYWKPRKTAEIOHYNKLVTSLKAPAJRKACQQFPU | SCNMEMMCPVQRGGYBFPCBEPVDIXTRSMSMEZPPTJIJHLAMSWFGYWKPRKTAEIOHYNKLVTSLKAPAJRKACQQFPU | HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "LIBERTY"
} | intermediate | en | 82 | 82 | cipher_museum | 2.0 | public | null | null |
cda-0013447 | again track roads among night scout phase above raids eight needs turns takes order often light scout house opens under lines depth swift house other | again track roads among night scout phase above raids eight needs turns takes order often light scout house opens under lines depth swift house other | A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY | 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. |
great-cipher-v2-0232 | 100 107 176 179 148 157 181 136 167 114 128 135 182 118 151 160 105 148 174 116 182 182 135 128 144 112 158 139 128 114 114 164 141 118 107 169 136 175 138 179 110 119 135 170 178 172 173 150 138 138 151 153 119 169 168 138 155 136 119 101 146 | 100 107 176 179 148 157 181 136 167 114 128 135 182 118 151 160 105 148 174 116 182 182 135 128 144 112 158 139 128 114 114 164 141 118 107 169 136 175 138 179 110 119 135 170 178 172 173 150 138 138 151 153 119 169 168 138 155 136 119 101 146 | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | great_cipher | great_cipher | nomenclator | {
"type": "seed",
"value": "ROSSIGNOL"
} | expert | en | 183 | 243 | cipher_museum | 2.0 | public | null | null |
gronsfeld-v2-0882 | XFVKJQFQSQFPHWMFVPLYFEUWFUFULSPSFHWUPHRWNBORWFQGUKFDVXSJPPHXUBDONTILXXUJEHNOTWUJEPOHXUJEWWBOSXNMJVBUSPXLIFGQUYIFERRNPPGJGFPVJQSQPTUFVKJHFPHWBMYHQGBTHFOEUHHVSGWMFCNHXTJPJXPGNLGFSVB | XFVKJQFQSQFPHWMFVPLYFEUWFUFULSPSFHWUPHRWNBORWFQGUKFDVXSJPPHXUBDONTILXXUJEHNOTWUJEPOHXUJEWWBOSXNMJVBUSPXLIFGQUYIFERRNPPGJGFPVJQSQPTUFVKJHFPHWBMYHQGBTHFOEUHHVSGWMFCNHXTJPJXPGNLGFSVB | 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 | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11235"
} | intermediate | en | 179 | 179 | cipher_museum | 2.0 | public | null | null |
two-square-v3-0304 | QNEAMBHEMIPUSUCCEEOM | QNEAMBHEMIPUSUCCEEOM | THE ALCHEMIST SUCCEEDS | two_square | two_square | polygraphic | {
"key1": "DRAGON",
"key2": "THUNDER"
} | advanced | en | 20 | 20 | cipher_museum | 2.0 | public | null | null |
m209-v2-0114 | LXBINTIXXXWNMKAEGPXUEPJALDXQJVAFZELQXNKOSNLCORZJUPJNEQAXTXWIVJPBMZBETZMUGLDJWMYXDRPOZNMPPNYZRADMMSBGAKGUKWTPDQFNKCMATQMADARQVOPCWCWRJJKYBJRTJYZMJEMZJKXCSSCZXNYZ | LXBINTIXXXWNMKAEGPXUEPJALDXQJVAFZELQXNKOSNLCORZJUPJNEQAXTXWIVJPBMZBETZMUGLDJWMYXDRPOZNMPPNYZRADMMSBGAKGUKWTPDQFNKCMATQMADARQVOPCWCWRJJKYBJRTJYZMJEMZJKXCSSCZXNYZ | 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 | m209 | m209 | machine | {
"type": "seed",
"value": "ARMY"
} | expert | en | 160 | 160 | cipher_museum | 2.0 | public | null | null |
monoalphabetic-v2-0005 | LPVPJRY PCVPMLES | LPVPJRY PCVPMLES | CAVALRY ADVANCES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "PALACE"
} | beginner | en | 15 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0019884 | ┌· ┘· 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 ┌· ─ | ┌· ┘· 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 ┌· ─ | ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN | pigpen | pigpen | null | {} | easy | en | 19 | 19 | synthetic_educational | null | null | [
"symbol_frequency",
"grid_position_decode"
] | Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids. |
nomenclator-v2-0029 | 16 01 20 09 05 14 03 05 02 18 09 14 07 19 22 09 03 20 15 18 25 | 16 01 20 09 05 14 03 05 02 18 09 14 07 19 22 09 03 20 15 18 25 | PATIENCE BRINGS VICTORY | nomenclator | nomenclator | nomenclator | {
"type": "none",
"value": null
} | expert | en | 42 | 62 | cipher_museum | 2.0 | public | null | null |
cda-0015327 | MAEWO LLACH EETKI NDIBE HYAZZ IEMOA SIDIB EHYAZ ZIEAK HADIB EHDZE HBETK INDIB EHWOL LACHE ECLAG IAIHA KHADI BEHTH ANZIE NODAI HGAHD ZEHTS AHAKH ATHAN ZIEWO LLACH EEDIB EHDIB EHYAZ ZIEAK HAAHJ AHWOL LACHE ETSAH WOLLA CHEED IBEHY AZZIE GLOEI HWOLL ACHEE TSAHA SZIHD IBEH | MAEWO LLACH EETKI NDIBE HYAZZ IEMOA SIDIB EHYAZ ZIEAK HADIB EHDZE HBETK INDIB EHWOL LACHE ECLAG IAIHA KHADI BEHTH ANZIE NODAI HGAHD ZEHTS AHAKH ATHAN ZIEWO LLACH EEDIB EHDIB EHYAZ ZIEAK HAAHJ AHWOL LACHE ETSAH WOLLA CHEED IBEHY AZZIE GLOEI HWOLL ACHEE TSAHA SZIHD IBEH | FAIL CLOSED IS A POSTURE NOT A SLOGAN ALWAYS | navajo_code | navajo_code | null | {} | hard | en | 224 | 224 | synthetic_educational | null | null | [
"codebook_frequency",
"word_list_attack"
] | Navajo Code Talker cipher: Navajo words represent English letters. |
cda-0016572 | 23 81 25 58 76 63 92 40 23 2 50 32 58 48 43 14 15 21 48 3 60 1 93 81 25 41 49 70 2 64 59 50 68 3 59 67 32 25 59 26 99 26 67 43 48 34 79 1 67 96 48 23 79 49 62 48 15 21 23 21 26 4 23 11 67 33 61 76 34 22 87 45 99 61 49 52 22 81 35 23 | 23 81 25 58 76 63 92 40 23 2 50 32 58 48 43 14 15 21 48 3 60 1 93 81 25 41 49 70 2 64 59 50 68 3 59 67 32 25 59 26 99 26 67 43 48 34 79 1 67 96 48 23 79 49 62 48 15 21 23 21 26 4 23 11 67 33 61 76 34 22 87 45 99 61 49 52 22 81 35 23 | ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE | homophonic | homophonic | null | {} | hard | en | 80 | 80 | synthetic_educational | null | null | [
"frequency_analysis",
"multiple_ciphertext_attack"
] | Homophonic substitution: each letter maps to multiple possible numbers. |
gronsfeld-v3-0097 | UIFMPSEPVSHPEJTPOFMPSEBOEUIPVTIBMUMPWFUIFMPSEUIZHPEXJUIBMMUIJOFIFBSUBOEXJUIBMMUIZTPVMBOEXJUIBMMUIZNJHIUBOEUIFTFXPSETXIJDIJDPNNBOEUIFFUIJTEBZTIBMMCFJOUIJOFIFBSU | UIFMPSEPVSHPEJTPOFMPSEBOEUIPVTIBMUMPWFUIFMPSEUIZHPEXJUIBMMUIJOFIFBSUBOEXJUIBMMUIZTPVMBOEXJUIBMMUIZNJHIUBOEUIFTFXPSETXIJDIJDPNNBOEUIFFUIJTEBZTIBMMCFJOUIJOFIFBSU | 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 | gronsfeld | gronsfeld | polyalphabetic | {
"type": "numeric",
"value": "11111"
} | intermediate | en | 159 | 159 | cipher_museum | 2.0 | public | null | null |
cda-0013528 | 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5 20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 20 8 5 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 9 19 1 21 19 5 6 21 12 3 12 21 5 | 20 8 5 13 5 19 19 1 7 5 23 1 19 8 9 4 4 5 14 2 21 20 14 15 20 19 5 3 21 18 5 20 8 5 12 9 2 18 1 18 25 16 18 5 19 5 18 22 5 19 11 14 15 23 12 5 4 7 5 6 15 18 20 8 5 3 15 13 13 21 14 9 20 25 20 8 5 9 14 4 5 24 15 6 3 15 9 14 3 9 4 5 14 3 5 9 19 1 21 19 5 6 21 12 3 12 21 5 | THE MESSAGE WAS HIDDEN BUT NOT SECURE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE INDEX OF COINCIDENCE IS A USEFUL CLUE | aeneas_tacticus | aeneas_tacticus | null | {} | hard | en | 108 | 108 | synthetic_educational | null | null | [
"sequential_number_decode",
"frequency_analysis"
] | Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26. |
null-cipher-v3-0082 | long your ioua outv utni first very like raex help call ioua outi down has nsra call tell | long your ioua outv utni first very like raex help call ioua outi down has nsra call tell | GRAVITY EXPLAINS ALL | null_cipher | null_cipher | steganography | {
"type": "position",
"value": "last"
} | advanced | en | 72 | 89 | cipher_museum | 2.0 | public | null | null |
beaufort-v2-0130 | BYMOOSZWQCNADT | BYMOOSZWQCNADT | STORM THE BREACH | beaufort | beaufort | polyalphabetic | {
"type": "keyword",
"value": "TRAFALGAR"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
playfair-v2-0887 | EHBOOBICTCQLATYNAOQFMBTNLWTNLBXDGBHZHOBZALWOMPSCTLBSOBICTCQLATMBEMABLCQDBAWTFVBS | EHBOOBICTCQLATYNAOQFMBTNLWTNLBXDGBHZHOBZALWOMPSCTLBSOBICTCQLATMBEMABLCQDBAWTFVBS | BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US | playfair | playfair | polygraphic | {
"type": "keyword",
"value": "WISDOM"
} | intermediate | en | 80 | 80 | cipher_museum | 2.0 | public | null | null |
solitaire-v3-0007 | EUXUYLLNESKAOM | EUXUYLLNESKAOM | MARCH TO VICTORY | solitaire | solitaire | stream | {
"type": "none",
"value": null
} | expert | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
cda-0011568 | PBYHZANE GENAFCBFVGVBA ERNQF PBYHZAF VA XRL BEQRE UBARFGYL | PBYHZANE GENAFCBFVGVBA ERNQF PBYHZAF VA XRL BEQRE UBARFGYL | COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER HONESTLY | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 51 | 51 | synthetic_educational | null | null | [] | |
bazeries-v2-0654 | DSRYNOYQSNMDMLSY | DSRYNOYQSNMDMLSY | THE WALLS HAVE EARS | bazeries | bazeries | transposition | {
"type": "integer",
"value": 67
} | advanced | en | 16 | 16 | cipher_museum | 2.0 | public | null | null |
cda-0013106 | HICFN STTYP UYCCO IJFSC RXDIN NAENN EIGLJ LDMOM VXLRD QWADB BIZDT UAVMO ALVWU UEKPH G | HICFN STTYP UYCCO IJFSC RXDIN NAENN EIGLJ LDMOM VXLRD QWADB BIZDT UAVMO ALVWU UEKPH G | FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE INDEX OF COINCIDENCE IS A USEFUL CLUE | running_key | running_key | null | {} | medium | en | 71 | 71 | synthetic_educational | null | null | [
"index_of_coincidence",
"probable_plaintext"
] | Running-key cipher: Vigenère with a very long key (e.g. a book passage). |
monoalphabetic-v3-1172 | UJGQ PBNM QBEE YJS OMM QAM WABQMO | UJGQ PBNM QBEE YJS OMM QAM WABQMO | DONT FIRE TILL YOU SEE THE WHITES | monoalphabetic | monoalphabetic | substitution | {
"type": "keyword",
"value": "TRIUMPH"
} | beginner | en | 27 | 33 | cipher_museum | 2.0 | public | null | null |
bifid-150 | QEEROPABEKAUMIOENAUBOOGERBTHOQTVAEETYTYRNZRZQ | QEEROPABEKAUMIOENAUBOOGERBTHOQTVAEETYTYRNZRZQ | THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED | bifid | bifid | fractionation | {
"type": "keyword",
"value": "MUSEUM"
} | advanced | en | 45 | 45 | cipher_museum | 0.2 | public | null | null |
cda-0019865 | DEPO TINT ELGA INSR OUTE ARRA YPHA SEHO URSA BOVE NOTE SDEP OTTR OOPR OADS INCU RGRO UPRA DIOA RRAY PHAS EHEA DSFI NALR ADIO EXAC TQUI CKUN TILE NEMY NORT H | DEPO TINT ELGA INSR OUTE ARRA YPHA SEHO URSA BOVE NOTE SDEP OTTR OOPR OADS INCU RGRO UPRA DIOA RRAY PHAS EHEA DSFI NALR ADIO EXAC TQUI CKUN TILE NEMY NORT H | DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE BEST LESSONS SHOW WHERE THE METHOD FAILS MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY | null_cipher | null_cipher | null | {} | hard | en | 125 | 125 | synthetic_educational | null | null | [
"acrostic_detection",
"first_letter_extraction"
] | Null/steganographic cipher: hidden message formed by first letters of words. |
cda-0020231 | 859 822 813 999 813 840 824 818 838 800 999 838 801 807 821 826 841 812 999 861 856 812 809 999 851 844 857 843 851 855 999 858 844 999 807 853 814 800 859 814 999 802 999 845 843 835 874 800 835 845 822 800 805 814 858 825 808 999 806 825 847 822 813 853 999 802 999 856 859 853 843 840 819 999 807 834 801 825 836 999 ... | 859 822 813 999 813 840 824 818 838 800 999 838 801 807 821 826 841 812 999 861 856 812 809 999 851 844 857 843 851 855 999 858 844 999 807 853 814 800 859 814 999 802 999 845 843 835 874 800 835 845 822 800 805 814 858 825 808 999 806 825 847 822 813 853 999 802 999 856 859 853 843 840 819 999 807 834 801 825 836 999 ... | THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER A STRONG CLAIM NEEDS STRONG EVIDENCE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION | culper_ring | culper_ring | null | {} | hard | en | 175 | 175 | synthetic_educational | null | null | [
"codebook_frequency",
"number_range_analysis"
] | Culper Ring code: Washington's three-digit codebook numbers (800–999 range). |
wheatstone-064 | QELHEZVMUSCTKDHLDABT | QELHEZVMUSCTKDHLDABT | RENDEZVOUS AT MIDNIGHT | wheatstone | wheatstone | polygraphic | {
"type": "keyword",
"value": "CIPHER"
} | advanced | en | 20 | 20 | cipher_museum | 0.2 | public | null | null |
cda-0018550 | MLAI TXPK HLIJ ODFW JUAU LVFH LKYD VTMV QLRC YO | MLAI TXPK HLIJ ODFW JUAU LVFH LKYD VTMV QLRC YO | THE VIGENERE CIPHER USES A REPEATING KEYWORD | one_time_pad | one_time_pad | null | {} | medium | en | 38 | 38 | synthetic_educational | null | null | [
"information_theoretic_proof",
"key_reuse_attack"
] | One-time pad: theoretically unbreakable if key is truly random and never reused. |
cda-0008132 | SNVYP YBFRQ VFNCB FGHER ABGNF YBTNA GBZBE EBJ | SNVYP YBFRQ VFNCB FGHER ABGNF YBTNA GBZBE EBJ | FAIL CLOSED IS A POSTURE NOT A SLOGAN TOMORROW | rot13 | rot13 | null | {
"shift": 13
} | medium | en | 38 | 38 | synthetic_educational | null | null | [] | |
enigma-v2-0874 | QEDYPQNHGPCJVZSVJLIQWBLWXKDNEEMEPLJHLOJJBVICGQDGRKZJCWQREJJBIMQHSOOZOQFISNFLGKNTCBWARIYGGCTWJVYLEJCBRQFIXMSTVMPZKTQMXRQVJJMUQFTUBQFKCBKE | QEDYPQNHGPCJVZSVJLIQWBLWXKDNEEMEPLJHLOJJBVICGQDGRKZJCWQREJJBIMQHSOOZOQFISNFLGKNTCBWARIYGGCTWJVYLEJCBRQFIXMSTVMPZKTQMXRQVJJMUQFTUBQFKCBKE | 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": "STU"
} | expert | en | 136 | 136 | cipher_museum | 2.0 | public | null | null |
affine-v2-1031 | JKKUY JITU UIBA UZITU | JKKUY JITU UIBA UZITU | LOOSE LIPS SINK SHIPS | affine | affine | substitution | {
"a": 9,
"b": 14
} | beginner | en | 18 | 21 | cipher_museum | 2.0 | public | null | null |
running-key-v3-0007 | ROLTZVCZIPWGVT | ROLTZVCZIPWGVT | MARCH TO VICTORY | running_key | running_key | polyalphabetic | {
"type": "text",
"value": "Gettysburg Address opening"
} | intermediate | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
autokey-de-013 | FMGHRXUMWFOKXQSSUFKQZBKHIVSFRAIA | FMGHRXUMWFOKXQSSUFKQZBKHIVSFRAIA | DER ANGRIFF BEGINNT BEI MORGENGRAUEN | autokey | autokey | polyalphabetic | {
"type": "keyword",
"value": "CIPHER"
} | intermediate | de | 32 | 32 | cipher_museum | 0.2 | public | null | null |
bifid-it-018 | VGICVGIPOFEEVFEEO | VGICVGIPOFEEVFEEO | VINCERE E VINCEREMO | bifid | bifid | fractionation | {
"type": "keyword",
"value": "CIPHER"
} | advanced | it | 17 | 17 | cipher_museum | 0.2 | public | null | null |
vigenere-v2-1492 | BEYSIVLZFUZRDBLHBPFFIELZCXOXALIINOKDOYGJCAWZSZEYQITPESUPSTBXOHPOGKRZJVYCTDYZROWJF | BEYSIVLZFUZRDBLHBPFFIELZCXOXALIINOKDOYGJCAWZSZEYQITPESUPSTBXOHPOGKRZJVYCTDYZROWJF | GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK | vigenere | vigenere | polyalphabetic | {
"type": "keyword",
"value": "VALOR"
} | intermediate | en | 81 | 81 | cipher_museum | 2.0 | public | null | null |
alberti-disk-v3-0193 | LOXVQEOCLASPPNGQRTZOOYRHOUCJIMGXPSTMRLQQORVAVHCPLRQFDVAXNGAOVUEOSOHVZSJFEOHYBTSDUYR | LOXVQEOCLASPPNGQRTZOOYRHOUCJIMGXPSTMRLQQORVAVHCPLRQFDVAXNGAOVUEOSOHVZSJFEOHYBTSDUYR | RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES | alberti_disk | alberti_disk | disk | {
"type": "integer",
"value": 5
} | expert | en | 83 | 83 | cipher_museum | 2.0 | public | null | null |
caesar-v2-1199 | X RPC SD PAA IWXCVH IWGDJVW RWGXHI LWXRW HIGTCVIWTCTIW BT XC TKTGN IGXPA PCS IGXQJAPIXDC | X RPC SD PAA IWXCVH IWGDJVW RWGXHI LWXRW HIGTCVIWTCTIW BT XC TKTGN IGXPA PCS IGXQJAPIXDC | I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION | caesar | caesar | substitution | {
"type": "shift",
"value": 15
} | beginner | en | 74 | 88 | cipher_museum | 2.0 | public | null | null |
cardano-autokey-v2-0142 | HQJZVDKPVXKVET | HQJZVDKPVXKVET | COVER MY RETREAT | cardano_autokey | cardano_autokey | polyalphabetic | {
"type": "keyword",
"value": "FLORENCE"
} | advanced | en | 14 | 14 | cipher_museum | 2.0 | public | null | null |
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