id
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stringlengths
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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
cda-0012587
ABBAB ABBBA AABAA ABBAA BAAAB ABBAB BAABB BAAAA AAABA AABAA BAABA ABBAB ABBAB ABABA BAAAB AAAAA ABABA ABABA ABBAB BABAA ABAAA ABBAA AAABB AABAA ABBBA AABAA ABBAA AAABB AABAA ABBAA BAABA BAABB AABAA BAAAA ABAAA AABAB ABAAA AAABA AAAAA BAABA ABAAA ABBAB ABBAA ABBAB AAAAB BAAAB AABAA BAAAA BAABB AAAAA AAAAB ABABA AABAA AA...
ABBAB ABBBA AABAA ABBAA BAAAB ABBAB BAABB BAAAA AAABA AABAA BAABA ABBAB ABBAB ABABA BAAAB AAAAA ABABA ABABA ABBAB BABAA ABAAA ABBAA AAABB AABAA ABBBA AABAA ABBAA AAABB AABAA ABBAA BAABA BAABB AABAA BAAAA ABAAA AABAB ABAAA AAABA AAAAA BAABA ABAAA ABBAB ABBAA ABBAB AAAAB BAAAB AABAA BAAAA BAABB AAAAA AAAAB ABABA AABAA AA...
OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION
bacon_cipher
bacon_cipher
null
{}
hard
en
875
875
synthetic_educational
null
null
[ "five_bit_decode", "ab_frequency_analysis" ]
Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.
vernam-v3-0155
DAAKHLMIKIHWDUVSNPLKICIEVZJQMKXBNPSHAEHKUYLOEGXVCPYPIPLVIJUVSISAQYNLRBAZQJN
DAAKHLMIKIHWDUVSNPLKICIEVZJQMKXBNPSHAEHKUYLOEGXVCPYPIPLVIJUVSISAQYNLRBAZQJN
NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS
vernam
vernam
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
75
75
cipher_museum
2.0
public
null
null
vic-v2-0337
833873470884813491879286234888737008088868692871807518887919184700233878046895381929118783584378989488933818018984348119185
833873470884813491879286234888737008088868692871807518887919184700233878046895381929118783584378989488933818018984348119185
GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK
vic
vic
substitution
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
123
123
cipher_museum
2.0
public
null
null
four-square-216
TIMRKQOHTQKPGSAYTDTNFYULISTDLIXAGSFYTMCQOHEGNSCISDNKCIIX
TIMRKQOHTQKPGSAYTDTNFYULISTDLIXAGSFYTMCQOHEGNSCISDNKCIIX
TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND
four_square
four_square
polygraphic
{ "key1": "ENIGMA", "key2": "CRYPTO" }
advanced
en
56
56
cipher_museum
0.2
public
null
null
adfgx-v2-0083
DDDDXGFFDGDFADDDDXGXGFGDFXXFFXDXDGGFAFGGFAXDXDGGDGGAAFDGXXXGXAXFDXXXGDFFGXXDAFFXDGXFAAGGFFGAAGDDDGFGGFAFAFAXGAFADFFXDFDDFGFFFFFFAGAGFGXGAGGFGAXDDADGXGGGAXAXGDXXAGGDFF
DDDDXGFFDGDFADDDDXGXGFGDFXXFFXDXDGGFAFGGFAXDXDGGDGGAAFDGXXXGXAXFDXXXGDFFGXXDAFFXDGXFAAGGFFGAAGDDDGFGGFAFAFAXGAFADFFXDFDDFGFFFFFFAGAGFGXGAGGFGAXDDADGXGGGAXAXGDXXAGGDFF
KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS
adfgx
adfgx
fractionation
{ "polybius": "PALACE", "columnar": "BATTLE" }
advanced
en
166
166
cipher_museum
2.0
public
null
null
kryptos-v3-0253
YNFEGDVNKYBVHDYRSOGG
YNFEGDVNKYBVHDYRSOGG
STEAM POWER TRANSFORMS
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "VIRTUAL" }
advanced
en
20
20
cipher_museum
2.0
public
null
null
cda-0015920
THAN-ZIE / LIN / DZEH / MA-E / A-KHA / NO-DA-IH / GAH / DIBEH / CA-YEILTH / NO-DA-IH / WOL-LA-CHEE / GAH / DZEH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / NO-DA-IH / DIBEH / DZEH / DIBEH / THAN-ZIE / GLOE-IH / A-KH...
THAN-ZIE / LIN / DZEH / MA-E / A-KHA / NO-DA-IH / GAH / DIBEH / CA-YEILTH / NO-DA-IH / WOL-LA-CHEE / GAH / DZEH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / NO-DA-IH / DIBEH / DZEH / DIBEH / THAN-ZIE / GLOE-IH / A-KH...
THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER
navajo_code
navajo_code
null
{}
hard
en
211
211
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
running-key-v3-0032
YVYJZQHLENUVVJYABXHVOOXZR
YVYJZQHLENUVVJYABXHVOOXZR
THE SHOT HEARD ROUND THE WORLD
running_key
running_key
polyalphabetic
{ "type": "text", "value": "Gettysburg Address opening" }
intermediate
en
25
25
cipher_museum
2.0
public
null
null
red-type-a-v3-0141
MTOVUZUNCEXASYVOEVG
MTOVUZUNCEXASYVOEVG
THE TELESCOPE REVEALS
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "YAMATO" }
advanced
en
19
19
cipher_museum
2.0
public
null
null
beaufort-v2-0096
UXHTGBBAUGOAALHHKHWEZWOVKAJELJKDNBAZBZXBVPFRAEBKZRLFLMWQRMHUNSHBGLNWYZAUGAFBKNUILB
UXHTGBBAUGOAALHHKHWEZWOVKAJELJKDNBAZBZXBVPFRAEBKZRLFLMWQRMHUNSHBGLNWYZAUGAFBKNUILB
THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "NELSON" }
intermediate
en
82
82
cipher_museum
2.0
public
null
null
alberti-disk-042
XKZJOJFPXKGYHMNTULMWFZIFTOHZHGCZQMRTAMMDAPSTWLBZWKDYBIQUPEVRVALF
XKZJOJFPXKGYHMNTULMWFZIFTOHZHGCZQMRTAMMDAPSTWLBZWKDYBIQUPEVRVALF
CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 3 }
expert
en
64
64
cipher_museum
0.2
public
null
null
geez-monastic-v2-0065
YQPBIHPVVLAYBDULAMHNDAQAMYULKAYQAULMJBDLAJBJLAOJYBJZJMRLMYPVPBILMYCNVPLYHB
YQPBIHPVVLAYBDULAMHNDAQAMYULKAYQAULMJBDLAJBJLAOJYBJZJMRLMYPVPBILMYCNVPLYHB
I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "ETHIOPIA" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
lorenz-v3-0400
THETFLESCOPEREVEALS
THETFLESCOPEREVEALS
THE TELESCOPE REVEALS
lorenz
lorenz
machine
{ "type": "seed", "value": "STURGEON" }
expert
en
19
19
cipher_museum
2.0
public
null
null
vigenere-v3-1211
RAEGFIWPVRQEQCLIDEVVNTCITOUCSFADYORIDTHZNAOCLWLPVVGIICWWRPOKCTLYZIGMSRPTJ
RAEGFIWPVRQEQCLIDEVVNTCITOUCSFADYORIDTHZNAOCLWLPVVGIICWWRPOKCTLYZIGMSRPTJ
WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "VALOR" }
intermediate
en
73
73
cipher_museum
2.0
public
null
null
scytale-v2-0252
WEMTDRFAEEDAAOOELBTSMBMVNWLHTOLEISEEEARISDELSPTESTEPFSEEPHIFRAIOSEJCOORNPIRUTRMEGLNFSRTOASEOETAHTNOORCINEEDFFDTCQCTSLTEUEUOHEIHRNIIMECBETINLMGUEUOOSIOERRNFNUTNNETIOERYDETYTRSEPERHX
WEMTDRFAEEDAAOOELBTSMBMVNWLHTOLEISEEEARISDELSPTESTEPFSEEPHIFRAIOSEJCOORNPIRUTRMEGLNFSRTOASEOETAHTNOORCINEEDFFDTCQCTSLTEUEUOHEIHRNIIMECBETINLMGUEUOOSIOERRNFNUTNNETIOERYDETYTRSEPERHX
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
scytale
scytale
transposition
{ "type": "integer", "value": 9 }
intermediate
en
180
180
cipher_museum
2.0
public
null
null
m94-v2-0266
ZUTVGIHPCOLCLZSQFDNTZGZVOYUVMARONHJLDMAVXUPBGCDZHXHLGZBQUCKWXTDZTHPCUDBGPHD
ZUTVGIHPCOLCLZSQFDNTZGZVOYUVMARONHJLDMAVXUPBGCDZHXHLGZBQUCKWXTDZTHPCUDBGPHD
ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW
m94
m94
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
75
75
cipher_museum
2.0
public
null
null
cda-0016370
⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a...
⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨a19⟩ ⟨w32⟩ ⟨w20⟩ ⟨a17⟩ ⟨w04⟩ ⟨w08⟩ ⟨a07⟩ ⟨a25⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨w32⟩ ⟨a07⟩ ⟨a17⟩ ⟨w20⟩ ⟨a37⟩ ⟨w10⟩ ⟨a23⟩ ⟨w14⟩ ⟨w10⟩ ⟨w32⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a17⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨w10⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨w20⟩ ⟨w38⟩ ⟨w20⟩ ⟨w40⟩ ⟨a...
THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE MESSAGE WAS HIDDEN BUT NOT SECURE
babington
babington
null
{}
hard
en
182
182
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
cda-0004583
HJUWSWOJIU MTBUSGI RJX NZWZFDRT PRX UXVBNMEUBB
HJUWSWOJIU MTBUSGI RJX NZWZFDRT PRX UXVBNMEUBB
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION
trithemius
trithemius
null
{}
medium
en
41
41
synthetic_educational
null
null
[ "progressive_shift_detection", "frequency_analysis" ]
Trithemius: progressive Caesar (shift = letter position); no key needed.
nomenclator-v3-0089
18 19 01 05 14 03 18 25 16 20 09 15 14 18 05 12 09 05 19 15 14 60 13 01 20 08 05 13 01 20 09 03 01 12 04 09 06 06 09 03 21 12 20 25 62 06 01 03 20 15 18 09 14 07 60 16 18 15 04 21 03 20 62 20 23 15 12 01 18 07 05 16 18 09 13 05 19
18 19 01 05 14 03 18 25 16 20 09 15 14 18 05 12 09 05 19 15 14 60 13 01 20 08 05 13 01 20 09 03 01 12 04 09 06 06 09 03 21 12 20 25 62 06 01 03 20 15 18 09 14 07 60 16 18 15 04 21 03 20 62 20 23 15 12 01 18 07 05 16 18 09 13 05 19
RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES
nomenclator
nomenclator
nomenclator
{ "type": "none", "value": null }
expert
en
154
230
cipher_museum
2.0
public
null
null
enigma-v3-0697
FEPULYEZVBVDWRSKOKEHWBZITADJWAXJPYAPASUUPCJEDPGEQBEWCSOJYXJOVTYSHUDJRZKYSFOHZQ
FEPULYEZVBVDWRSKOKEHWBZITADJWAXJPYAPASUUPCJEDPGEQBEWCSOJYXJOVTYSHUDJRZKYSFOHZQ
BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS
enigma
enigma
machine
{ "type": "rotor_start", "value": "STU" }
expert
en
78
78
cipher_museum
2.0
public
null
null
kl7-v3-0241
WWPFKMVJHOKF
WWPFKMVJHOKF
YANKEE DOODLE
kl7
kl7
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
12
12
cipher_museum
2.0
public
null
null
gronsfeld-v2-0658
LWBXFPMPTIJZRTJBA
LWBXFPMPTIJZRTJBA
COURAGE IN DARKNESS
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "98765" }
intermediate
en
17
17
cipher_museum
2.0
public
null
null
caesar-v3-0047
JU JT B USVUI VOJWFSTBMMZ BDLOPXMFEHFE UIBU B TJOHMF NBO JO QPTTFTTJPO PG B GPSUVOF NVTU CF JO XBOU PG B XJGF
JU JT B USVUI VOJWFSTBMMZ BDLOPXMFEHFE UIBU B TJOHMF NBO JO QPTTFTTJPO PG B GPSUVOF NVTU CF JO XBOU PG B XJGF
IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE
caesar
caesar
substitution
{ "type": "shift", "value": 1 }
beginner
en
88
109
cipher_museum
2.0
public
null
null
autokey-v2-0405
MFRSUONVJROCL
MFRSUONVJROCL
HONOR ABOVE ALL
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
13
13
cipher_museum
2.0
public
null
null
beaufort-v3-0591
EKCHXEWYESKKYLWGKTAAGOLXDEVESSNLFTHZOMWGDXWWSKOFTXGLGHENZNAYNVGSYYHUSUCOFTT
EKCHXEWYESKKYLWGKTAAGOLXDEVESSNLFTHZOMWGDXWWSKOFTXGLGHENZNAYNVGSYYHUSUCOFTT
NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "ROYAL" }
intermediate
en
75
75
cipher_museum
2.0
public
null
null
rail-fence-v3-0253
SOTFRESMANSMAPROTWRE
SOTFRESMANSMAPROTWRE
STEAM POWER TRANSFORMS
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 9 }
intermediate
en
20
20
cipher_museum
2.0
public
null
null
kryptos-167
PNZXEUJVPWIXTIGZMWFJFUIFKYRQJLJHXZUYVFUKQZLLVDDXM
PNZXEUJVPWIXTIGZMWFJFUIFKYRQJLJHXZUYVFUKQZLLVDDXM
VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "ABSCISSA" }
advanced
en
49
49
cipher_museum
0.2
public
null
null
cda-0015196
.--. .- - - . .-. -. / .-- --- .-. -.. ... / .... . .-.. .--. / -... .-. . .- -.- / -- --- -. --- .- .-.. .--. .... .- -... . - .. -.-. / ... ..- -... ... - .. - ..- - .. --- -. / - .... . / ...- .. --. . -. . .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / .- / .-. . .--. . .- - .. -. --. / -.- . -.-- .-- --- .-. -....
.--. .- - - . .-. -. / .-- --- .-. -.. ... / .... . .-.. .--. / -... .-. . .- -.- / -- --- -. --- .- .-.. .--. .... .- -... . - .. -.-. / ... ..- -... ... - .. - ..- - .. --- -. / - .... . / ...- .. --. . -. . .-. . / -.-. .. .--. .... . .-. / ..- ... . ... / .- / .-. . .--. . .- - .. -. --. / -.- . -.-- .-- --- .-. -....
PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION THE VIGENERE CIPHER USES A REPEATING KEYWORD THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER
morse_code
morse_code
null
{}
hard
en
140
140
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
confederate-vigenere-v2-0173
NMCYQGHFYAVBRTNVUZGHYGNUVUCKQCADELQBDZVWKTGSUTRLJZQBZRRGNQVOMGYHVX
NMCYQGHFYAVBRTNVUZGHYGNUVUCKQCADELQBDZVWKTGSUTRLJZQBZRRGNQVOMGYHVX
WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "RICHMOND" }
intermediate
en
66
66
cipher_museum
2.0
public
null
null
navajo-code-v3-0038
BE-TAS-TNI DZEH BE-LA-SANA KLESH SHI-DA GAH DZEH / THAN-ZIE GLOE-IH TKIN TLA-GIN AH-JAH / TLA-GIN NO-DA-IH A-WOH / A-KHA A-CHIN TLA-GIN AH-JAH
BE-TAS-TNI DZEH BE-LA-SANA KLESH SHI-DA GAH DZEH / THAN-ZIE GLOE-IH TKIN TLA-GIN AH-JAH / TLA-GIN NO-DA-IH A-WOH / A-KHA A-CHIN TLA-GIN AH-JAH
MEASURE TWICE CUT ONCE
navajo_code
navajo_code
code
{ "type": "none", "value": null }
expert
en
121
154
cipher_museum
2.0
public
null
null
geheimschreiber-220
IEMUCWFCWUFYHCWBCBGLRUDGCOJILCWZYGAMRLJZOPOYAMLO
IEMUCWFCWUFYHCWBCBGLRUDGCOJILCWZYGAMRLJZOPOYAMLO
WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
48
48
cipher_museum
0.2
public
null
null
cda-0019075
64 59 46 61 93 33 1 81 62 17 33 30 30 4 1 99 49 15 68 58 72 52 32 35 22 64 63 32 67 30 49 35 80 48 92 35 3 92 63 25 26 24 3 27 63 94 92 66 70 15 93 70 48 68 48 33 15 43 22 79 48 70 91 41 50 66 53
64 59 46 61 93 33 1 81 62 17 33 30 30 4 1 99 49 15 68 58 72 52 32 35 22 64 63 32 67 30 49 35 80 48 92 35 3 92 63 25 26 24 3 27 63 94 92 66 70 15 93 70 48 68 48 33 15 43 22 79 48 70 91 41 50 66 53
DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX
homophonic
homophonic
null
{}
medium
en
67
67
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
cda-0021874
13 11 15 43 11 42 43 23 24 21 44 15 14 44 23 15 11 31 35 23 11 12 15 44 12 54 44 23 42 15 15 35 34 43 24 44 24 34 33 43 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43 11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24...
13 11 15 43 11 42 43 23 24 21 44 15 14 44 23 15 11 31 35 23 11 12 15 44 12 54 44 23 42 15 15 35 34 43 24 44 24 34 33 43 22 34 34 14 15 14 45 13 11 44 24 34 33 11 31 44 34 34 31 43 15 53 35 31 11 24 33 44 23 15 24 42 31 24 32 24 44 43 11 32 34 14 15 31 13 11 33 13 31 11 43 43 24 21 54 35 11 44 44 15 42 33 43 12 45 44 24...
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG
polybius
polybius
null
{}
hard
en
122
122
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
typex-v2-0378
SJMBYTWLORTGUUELHAFYATMLOLCRCICJKXADRXTCXNHUIIIZTCLLPHGOUTWBLSPMPZWNYLFPZILQLQSRNZFYPUWLLTMCEAZOHYKOMZEXWVGVOFGUNQKYRTBPSOVRIVCTAMDNLVKQDHLTFDGZQMOSSIRZZUZGKJHPBUVJFPTKNRKBXUKQPQE
SJMBYTWLORTGUUELHAFYATMLOLCRCICJKXADRXTCXNHUIIIZTCLLPHGOUTWBLSPMPZWNYLFPZILQLQSRNZFYPUWLLTMCEAZOHYKOMZEXWVGVOFGUNQKYRTBPSOVRIVCTAMDNLVKQDHLTFDGZQMOSSIRZZUZGKJHPBUVJFPTKNRKBXUKQPQE
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
typex
typex
machine
{ "type": "keyword", "value": "EMPIRE" }
expert
en
179
179
cipher_museum
2.0
public
null
null
four-square-v2-0335
CSUISNRNSTOOUKDBHQFOODUNODUFGPTMGECUFSRRMMEQQDLSISNRUNTCGSSUSNHQIRHLKUUDUNIRYABNIIQDFL
CSUISNRNSTOOUKDBHQFOODUNODUFGPTMGECUFSRRMMEQQDLSISNRUNTCGSSUSNHQIRHLKUUDUNIRYABNIIQDFL
HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION
four_square
four_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
86
86
cipher_museum
2.0
public
null
null
cda-0012427
.... .... ..... .. ... .... .... ... .... . .... ..... . . .... .. . ..... . ... .. .... ... ..... .. ... . ..... .... .. . ..... ... ... . ... .... .. ..... .... ... ..... .... .... .... ... . .... .. .... .. .. .... .. . . ... ..... .. ... .... ... ..... .. .. .... .... .... .. ... ...
.... .... ..... .. ... .... .... ... .... . .... ..... . . .... .. . ..... . ... .. .... ... ..... .. ... . ..... .... .. . ..... ... ... . ... .... .. ..... .... ... ..... .... .... .... ... . .... .. .... .. .. .... .. . . ... ..... .. ... .... ... ..... .. .. .... .... .... .. ... ...
TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT
tap_code
tap_code
null
{}
hard
en
109
109
synthetic_educational
null
null
[ "dot_count_decode", "grid_position_search" ]
Tap code: letters encoded as dot-groups representing row and column in 5×5 grid.
great-cipher-109
148 165 173 107 118 175 143 177 148 165 147 174 144 178 147 159 157 110 153 143 168 134 107 117 164 147 181 143 118 178 107 175 133 140 112 162 101 164 156 123 172
148 165 173 107 118 175 143 177 148 165 147 174 144 178 147 159 157 110 153 143 168 134 107 117 164 147 181 143 118 178 107 175 133 140 112 162 101 164 156 123 172
TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "CIPHER" }
expert
en
123
163
cipher_museum
0.2
public
null
null
nomenclator-v3-0216
60 19 05 14 01 20 05 04 05 03 18 05 05 19
60 19 05 14 01 20 05 04 05 03 18 05 05 19
THE SENATE DECREES
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "LIBERTY" }
expert
en
28
41
cipher_museum
2.0
public
null
null
joseon-yeokhak-v2-0116
BPMTWZLQAUGAPMXPMZLQAPITTVWBEIVBPMUISMBPUMBWTQMLWEVQVOZMMVXIABCZMAPMTMILMBPUMJMAQLMBPMABQTTEIBMZAPMZMABWZMBPUGAWCTPMTMILMBPUMQVBPMXIBPAWNZQOPBMWCAVMAANWZPQAVIUMAISM
BPMTWZLQAUGAPMXPMZLQAPITTVWBEIVBPMUISMBPUMBWTQMLWEVQVOZMMVXIABCZMAPMTMILMBPUMJMAQLMBPMABQTTEIBMZAPMZMABWZMBPUGAWCTPMTMILMBPUMQVBPMXIBPAWNZQOPBMWCAVMAANWZPQAVIUMAISM
THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "SEOUL" }
beginner
en
164
164
cipher_museum
2.0
public
null
null
red-type-a-v3-0351
GPUEMPOQEBUKPNEQXYNDG
GPUEMPOQEBUKPNEQXYNDG
THE EXPERIMENT CONFIRMS
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "MIKADO" }
advanced
en
21
21
cipher_museum
2.0
public
null
null
diana-v2-0319
XBYVARBIJPRKSILOBQOKRJAPMHNVASKKECRPMHNYEBMHRPBPFXHPAANSRKKDRBYVANFMNOZPBKC
XBYVARBIJPRKSILOBQOKRJAPMHNVASKKECRPMHNYEBMHRPBPFXHPAANSRKKDRBYVANFMNOZPBKC
IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP
diana
diana
polyalphabetic
{ "type": "keyword", "value": "FORCES" }
intermediate
en
75
75
cipher_museum
2.0
public
null
null
jefferson-disk-v2-0263
OJRIXBXCYKGZHXJYKBKYWEVVZEYKPIZTGYVIMDYYOXDFEYGXADXTOIUEQTQIMJBNMCYDYYUCZEPMIRD
OJRIXBXCYKGZHXJYKBKYWEVVZEYKPIZTGYVIMDYYOXDFEYGXADXTOIUEQTQIMJBNMCYDYYUCZEPMIRD
RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "1,3,5,2,4,6" }
expert
en
79
79
cipher_museum
2.0
public
null
null
sigaba-v2-0147
PLETWFQAAWF
PLETWFQAAWF
KNOW THYSELF
sigaba
sigaba
machine
{ "type": "seed", "value": "ARMY" }
expert
en
11
11
cipher_museum
2.0
public
null
null
lorenz-v3-0276
WHATDOESITPROFITAMANTOGAINTHEWHOLEWORLDANDYETLOSEHISOWNIMMORTALSOULFOREVER
WHATDOESITPROFITAMANTOGAINTHEWHOLEWORLDANDYETLOSEHISOWNIMMORTALSOULFOREVER
WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER
lorenz
lorenz
machine
{ "type": "seed", "value": "COLOSSUS" }
expert
en
74
74
cipher_museum
2.0
public
null
null
affine-v3-0786
RNM XWENR KYA IMM VZYG DWIRCPR IRCZI XMVR RNYIM IAPI RNYAICPDI YV KMCZI LMVYZM KYAZ LWZRN
RNM XWENR KYA IMM VZYG DWIRCPR IRCZI XMVR RNYIM IAPI RNYAICPDI YV KMCZI LMVYZM KYAZ LWZRN
THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH
affine
affine
substitution
{ "a": 9, "b": 2 }
beginner
en
74
89
cipher_museum
2.0
public
null
null
argenti-v3-0168
71 83 44 20 67 28 26 13 63 37 66 17 25 77 83 32 37 82 20 66 18 41 56 12 28 67 16 64 72 44 63 32 28 56 41 25 89 75 81 83 20 33 63 84 67 23 22 75 70 56 28 44 34 83 27 17 26 77 23 38 72 25 71 37 82 20 60 67 83 63 15 17 59 66
71 83 44 20 67 28 26 13 63 37 66 17 25 77 83 32 37 82 20 66 18 41 56 12 28 67 16 64 72 44 63 32 28 56 41 25 89 75 81 83 20 33 63 84 67 23 22 75 70 56 28 44 34 83 27 17 26 77 23 38 72 25 71 37 82 20 60 67 83 63 15 17 59 66
GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT
argenti
argenti
nomenclator
{ "type": "seed", "value": "PAPAL" }
expert
en
148
221
cipher_museum
2.0
public
null
null
red-type-a-v3-0066
SIVULOPTCILGOZNIMRJIDBYTGARIORCZAYNVKUIFWEONOLFAGHOMEDXODYJUPAZUWOLNABLEET
SIVULOPTCILGOZNIMRJIDBYTGARIORCZAYNVKUIFWEONOLFAGHOMEDXODYJUPAZUWOLNABLEET
GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "SAKURA" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
adfgvx-v2-0017
GVVDDFAAAAADAGADAVFVDFGAAGFDGDFFGAAFGG
GVVDDFAAAAADAGADAVFVDFGAAGFDGDFFGAAFGG
CODED MESSAGE FOLLOWS
adfgvx
adfgvx
fractionation
{ "polybius": "PALACE", "columnar": "BATTLE" }
advanced
en
38
38
cipher_museum
2.0
public
null
null
argenti-v2-0071
66 14 35 57 44 73 41 22 62 88 75 14 32 87 73 72 45 22 44 66 14 49 16 75 57 51 16 52 88 65 15 35 72 44 69 32 23 57 30 34 16 51 57 79 22 65 87 24 73 14 88 82 15 32 65 25 66 75 43 30 22 44 75
66 14 35 57 44 73 41 22 62 88 75 14 32 87 73 72 45 22 44 66 14 49 16 75 57 51 16 52 88 65 15 35 72 44 69 32 23 57 30 34 16 51 57 79 22 65 87 24 73 14 88 82 15 32 65 25 66 75 43 30 22 44 75
IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS
argenti
argenti
nomenclator
{ "type": "seed", "value": "ROME" }
expert
en
126
188
cipher_museum
2.0
public
null
null
red-type-a-147
SNYSBIQYMXOZ
SNYSBIQYMXOZ
THE TRAP IS SET
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "SECRET" }
advanced
en
12
12
cipher_museum
0.2
public
null
null
kama-sutra-v3-0269
WE EQT VWEEMT KS LZXAWN WLTGZUWY XZBT VKLVTGF XTFEGKNTX SKCG PWJWYTFT UWGGZTGF ZY LZYCETF
WE EQT VWEEMT KS LZXAWN WLTGZUWY XZBT VKLVTGF XTFEGKNTX SKCG PWJWYTFT UWGGZTGF ZY LZYCETF
AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "INDIA" }
intermediate
en
76
89
cipher_museum
2.0
public
null
null
kama-sutra-031
SJ GBDL QGJWJ QPVQGW QB OJ WJDI JUFLJCQ QGYQ YDD XJC YPJ NPJYQJL JTVYD
SJ GBDL QGJWJ QPVQGW QB OJ WJDI JUFLJCQ QGYQ YDD XJC YPJ NPJYQJL JTVYD
WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "KAMASUTRA" }
intermediate
en
57
70
cipher_museum
0.2
public
null
null
alberti-disk-v3-0810
QXCOVLFFUAQCXDKCNEVDLJTASGZNRDUCNGYRQAZUVQETDSPIEKWHGFGJJQLKOKTHESASPHZSTHATHHWHBTQYI
QXCOVLFFUAQCXDKCNEVDLJTASGZNRDUCNGYRQAZUVQETDSPIEKWHGFGJJQLKOKTHESASPHZSTHATHHWHBTQYI
CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 17 }
expert
en
85
85
cipher_museum
2.0
public
null
null
columnar-transposition-240
NITKEUYARDOEBEASCOAWRLTFNWTNBCOGEETTOYYTTCASOISTASAFNRESKTRGTITIAEOHKTNCSTVORHOOAOASRADOEHPELHEDEIFLBFPSERCTEIEIASACBEYTSEYYHBGIHDETRAHNOHRPILS
NITKEUYARDOEBEASCOAWRLTFNWTNBCOGEETTOYYTTCASOISTASAFNRESKTRGTITIAEOHKTNCSTVORHOOAOASRADOEHPELHEDEIFLBFPSERCTEIEIASACBEYTSEYYHBGIHDETRAHNOHRPILS
CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "KEYWORD" }
intermediate
en
143
143
cipher_museum
0.2
public
null
null
joseon-yeokhak-v3-0135
GCBGCTZWPSFHMOGGSAPZS
GCBGCTZWPSFHMOGGSAPZS
SONS OF LIBERTY ASSEMBLE
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "JOSEON" }
beginner
en
21
21
cipher_museum
2.0
public
null
null
nomenclator-v2-0330
14 01 22 01 12 21 14 09 20 19 64 16 15 19 09 20 09 15 14 15 06 06 60 03 15 01 19 20 01 23 01 09 20 09 14 07 19 09 07 14 01 12 63 03 15 13 13 05 14 03 05 19 08 15 18 05 02 15 13 02 01 18 04 13 05 14 20 01 20 92
14 01 22 01 12 21 14 09 20 19 64 16 15 19 09 20 09 15 14 15 06 06 60 03 15 01 19 20 01 23 01 09 20 09 14 07 19 09 07 14 01 12 63 03 15 13 13 05 14 03 05 19 08 15 18 05 02 15 13 02 01 18 04 13 05 14 20 01 20 92
NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "LIBERTY" }
expert
en
140
209
cipher_museum
2.0
public
null
null
playfair-v2-0563
PLOXHABFFAGILUDKOBAIAVBQODGDODECWDEZFGRFDQWLHNGUOFIGLOAEGZMNQCBFAQGBKHUDPLOBEDCQRIEW
PLOXHABFFAGILUDKOBAIAVBQODGDODECWDEZFGRFDQWLHNGUOFIGLOAEGZMNQCBFAQGBKHUDPLOBEDCQRIEW
THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR
playfair
playfair
polygraphic
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
84
84
cipher_museum
2.0
public
null
null
lorenz-v3-0089
WHENINTHECOURSEOFHUMANEVANTSITBEDOMESJECESSARYFORONEPAOPLETODISSOLVETHEPOLISICALBAJDSWHIGHHAVECONNECTEDTHEMWITHENOTHERSHEYSHOULDDECLARETHECEQSESWHICHIMPELTHESEPAQATION
WHENINTHECOURSEOFHUMANEVANTSITBEDOMESJECESSARYFORONEPAOPLETODISSOLVETHEPOLISICALBAJDSWHIGHHAVECONNECTEDTHEMWITHENOTHERSHEYSHOULDDECLARETHECEQSESWHICHIMPELTHESEPAQATION
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
lorenz
lorenz
machine
{ "type": "seed", "value": "TUNNY" }
expert
en
167
167
cipher_museum
2.0
public
null
null
polybius-v3-0008
44 23 15 43 15 33 11 44 15 14 15 13 42 15 15 43
44 23 15 43 15 33 11 44 15 14 15 13 42 15 15 43
THE SENATE DECREES
polybius
polybius
substitution
{ "type": "none", "value": null }
beginner
en
32
47
cipher_museum
2.0
public
null
null
cda-0014068
06319 02584 01591 0327 5664 00942 02568 02907 6329 01615 01000 06379 06626 05705 1571 06049 02535 04743 06658 03793 1267 4178 00401 3486 01631 04135 02885 6044 06625 05971 1578 02538 00324 5654 01259 01644 5737 06287 02575 1599 01915 5659 2853 1592 01307 4113 00397 04478 06285 1573 06060 06339 06616 06057 1621 06012 63...
06319 02584 01591 0327 5664 00942 02568 02907 6329 01615 01000 06379 06626 05705 1571 06049 02535 04743 06658 03793 1267 4178 00401 3486 01631 04135 02885 6044 06625 05971 1578 02538 00324 5654 01259 01644 5737 06287 02575 1599 01915 5659 2853 1592 01307 4113 00397 04478 06285 1573 06060 06339 06616 06057 1621 06012 63...
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS
zimmermann
zimmermann
null
{}
hard
en
142
142
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
typex-228
POCDAYIUAYWPQPWWFKIXQEGLMVDKROKQTFDBQATPVXVQIJLWJNHQVNXE
POCDAYIUAYWPQPWWFKIXQEGLMVDKROKQTFDBQATPVXVQIJLWJNHQVNXE
IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT
typex
typex
machine
{ "type": "keyword", "value": "SECRET" }
expert
en
56
56
cipher_museum
0.2
public
null
null
trifid-v3-0358
UFFZSL+DTJF+LOJ
UFFZSL+DTJF+LOJ
THE FACTORY ROARS
trifid
trifid
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
15
15
cipher_museum
2.0
public
null
null
wallis-cipher-v2-0064
90 55 63 49 24 10 91 90 33 34 91 90 55 61 56 91 90 60 42 53 82 91 90 45 28 10 23 91 90 81 52 60 91 90 55 61 33 85 54 91 90 23 56 87 63 10 91 90 81 34 21 91 90 52 54 87 85 91 90 34 89 55 91 90 25 85 10 42 91 90 55 61 28 34 56 91 90 89 13 85 91 90 49 34 82 54 53 43 10 81 85 21 33 34 22 91 90 28 85 91 90 87 60 52 91 90 45...
90 55 63 49 24 10 91 90 33 34 91 90 55 61 56 91 90 60 42 53 82 91 90 45 28 10 23 91 90 81 52 60 91 90 55 61 33 85 54 91 90 23 56 87 63 10 91 90 81 34 21 91 90 52 54 87 85 91 90 34 89 55 91 90 25 85 10 42 91 90 55 61 28 34 56 91 90 89 13 85 91 90 49 34 82 54 53 43 10 81 85 21 33 34 22 91 90 28 85 91 90 87 60 52 91 90 45...
TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "OXFORD" }
expert
en
222
332
cipher_museum
2.0
public
null
null
caesar-v2-0948
FTQ RQMD AR FTQ XADP UE FTQ NQSUZZUZS AR IUEPAY MZP WZAIXQPSQ AR FTQ TAXK AZQ UE GZPQDEFMZPUZS
FTQ RQMD AR FTQ XADP UE FTQ NQSUZZUZS AR IUEPAY MZP WZAIXQPSQ AR FTQ TAXK AZQ UE GZPQDEFMZPUZS
THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING
caesar
caesar
substitution
{ "type": "shift", "value": 12 }
beginner
en
77
94
cipher_museum
2.0
public
null
null
caesar-v2-0405
NUTUX GHUBK GRR
NUTUX GHUBK GRR
HONOR ABOVE ALL
caesar
caesar
substitution
{ "type": "shift", "value": 6 }
beginner
en
13
15
cipher_museum
2.0
public
null
null
adfgx-185
AGGFFAGAGDAAAFAXGGGGAGADFADFFD
AGGFFAGAGDAAAFAXGGGGAGADFADFFD
MEET AT THE OLD OAK
adfgx
adfgx
fractionation
{ "polybius": "ENIGMA", "columnar": "CRYPTO" }
advanced
en
30
30
cipher_museum
0.2
public
null
null
bifid-v2-0508
QNGUPPEEPTTUUYBOWDPVZWFG
QNGUPPEEPTTUUYBOWDPVZWFG
NORTH STAR HOLDS FIRM COURSE
bifid
bifid
fractionation
{ "type": "keyword", "value": "JUSTICE" }
advanced
en
24
24
cipher_museum
2.0
public
null
null
typex-v2-0467
ESVYJNJBJGAEUGZOWBYNVSEYXQRVXGNHHOXSMOQXOSSGOKXGMZFUNKNYTLDEFLBTAZWYABJCUQOVXBVO
ESVYJNJBJGAEUGZOWBYNVSEYXQRVXGNHHOXSMOQXOSSGOKXGMZFUNKNYTLDEFLBTAZWYABJCUQOVXBVO
THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME
typex
typex
machine
{ "type": "keyword", "value": "WINSTON" }
expert
en
80
80
cipher_museum
2.0
public
null
null
enigma-366
TNKYSPUDLIYIIDZB
TNKYSPUDLIYIIDZB
PROCEED AS PLANNED
enigma
enigma
machine
{ "type": "rotor_start", "value": "KEY" }
expert
en
16
16
cipher_museum
0.2
public
null
null
kryha-v2-0018
EOMSMJCRPWOSH
EOMSMJCRPWOSH
AWAIT MY SIGNAL
kryha
kryha
machine
{ "type": "keyword", "value": "MUNICH" }
expert
en
13
13
cipher_museum
2.0
public
null
null
four-square-082
DHQWIOILIOPDMKXW
DHQWIOILIOPDMKXW
FORWARD MARCH NOW
four_square
four_square
polygraphic
{ "key1": "CIPHER", "key2": "MUSEUM" }
advanced
en
16
16
cipher_museum
0.2
public
null
null
red-type-a-084
LCAQKGUABU
LCAQKGUABU
TRUST NO ONE
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "CIPHER" }
advanced
en
10
10
cipher_museum
0.2
public
null
null
wheatstone-v2-0015
TEJNQTIGVYQHGNTV
TEJNQTIGVYQHGNTV
ABORT AND WITHDRAW
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "TELEGRAPHY" }
advanced
en
16
16
cipher_museum
2.0
public
null
null
solitaire-v2-0356
CRAWVZQVGNFIXDVXORTTJMDRCBYYKLWOKOKRKSQVKWUDGLEWJEXILUEAPVLTFTXSSGGSTLBJTWORZYQMUAFEXA
CRAWVZQVGNFIXDVXORTTJMDRCBYYKLWOKOKRKSQVKWUDGLEWJEXILUEAPVLTFTXSSGGSTLBJTWORZYQMUAFEXA
HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION
solitaire
solitaire
stream
{ "type": "passphrase", "value": "PONTIFEX" }
expert
en
86
86
cipher_museum
2.0
public
null
null
scytale-v2-0322
QREEOTSVBXUARBNOJEEXOVMITFUMRXTEORHPSYDXHNRDEATCOXTNESBLAHOXHETAULBARXEVHTSAOMXX
QREEOTSVBXUARBNOJEEXOVMITFUMRXTEORHPSYDXHNRDEATCOXTNESBLAHOXHETAULBARXEVHTSAOMXX
QUOTH THE RAVEN NEVERMORE THE BIRD SAT ON THE BUST OF PALLAS JUST ABOVE MY CHAMBER DOOR
scytale
scytale
transposition
{ "type": "integer", "value": 10 }
intermediate
en
80
80
cipher_museum
2.0
public
null
null
two-square-v2-0460
QNFKRCAFSMZQHEQTERAFQUOILNOTXRNTHEKCHAQNHCTOLIFNRZCFBFDRENSEPUQCFQHEHBADNNHMEBFQMHNNHEPUILIYATERQUERFQTODRQNLZSOULHEHBADNNHMCKNTHESEQNSOFRIGHTBQUSNESSBSRHMONAHCSAHA
QNFKRCAFSMZQHEQTERAFQUOILNOTXRNTHEKCHAQNHCTOLIFNRZCFBFDRENSEPUQCFQHEHBADNNHMEBFQMHNNHEPUILIYATERQUERFQTODRQNLZSOULHEHBADNNHMCKNTHESEQNSOFRIGHTBQUSNESSBSRHMONAHCSAHA
THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME TO LIE DOWN IN GREEN PASTURES HE LEADETH ME BESIDE THE STILL WATERS HE RESTORETH MY SOUL HE LEADETH ME IN THE PATHS OF RIGHTEOUSNESS FOR HIS NAME SAKE
two_square
two_square
polygraphic
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
164
164
cipher_museum
2.0
public
null
null
beaufort-v2-0213
TGASHRPSENRNCUXPXDGVWUYEUAESXSUHSZWQFFZBHXGHYTPQMTHAWAHRNBNDAORRJLYWUUAPMJNB
TGASHRPSENRNCUXPXDGVWUYEUAESXSUHSZWQFFZBHXGHYTPQMTHAWAHRNBNDAORRJLYWUUAPMJNB
ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "TRAFALGAR" }
intermediate
en
76
76
cipher_museum
2.0
public
null
null
solitaire-v2-0377
OUEZWJQXPRDXZGWXROBJICLTRHPUKLWGAEEAQEURKHTPORZWCGQKFSERQKMXVMDMIGCJHUMNXQMKDJZKIDARNEDDKHUWWPRAVLVPVDSFIISIGZPHVFJPRCWVWHRONJQQWJULTXONIRAOWYLSHCBUXAKCRUVSGPVADGFUQNUXUSTA
OUEZWJQXPRDXZGWXROBJICLTRHPUKLWGAEEAQEURKHTPORZWCGQKFSERQKMXVMDMIGCJHUMNXQMKDJZKIDARNEDDKHUWWPRAVLVPVDSFIISIGZPHVFJPRCWVWHRONJQQWJULTXONIRAOWYLSHCBUXAKCRUVSGPVADGFUQNUXUSTA
THE GREAT CIPHER OF LOUIS XIV INVENTED BY ANTOINE AND BONAVENTURE ROSSIGNOL USED A NOMENCLATOR OF OVER FIVE HUNDRED NUMBERS REPRESENTING SYLLABLES WORDS AND NULLS AND REMAINED UNBROKEN FOR TWO CENTURIES
solitaire
solitaire
stream
{ "type": "passphrase", "value": "PONTIFEX" }
expert
en
172
172
cipher_museum
2.0
public
null
null
four-square-v3-0429
CSUONUIPADCQDKKCWRYDFUGTMLSHDSEUWKHRBTZOTORQRECFGBQDASTRSMSCRIQQQDSACSXY
CSUONUIPADCQDKKCWRYDFUGTMLSHDSEUWKHRBTZOTORQRECFGBQDASTRSMSCRIQQQDSACSXY
IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY
four_square
four_square
polygraphic
{ "key1": "WISDOM", "key2": "COURAGE" }
advanced
en
72
72
cipher_museum
2.0
public
null
null
nomenclator-v3-0298
60 02 09 18 20 08 04 01 25 16 01 18 01 04 15 24 19 08 15 23 19 20 08 01 20 03 15 12 12 09 19 09 15 14 19 64 08 01 19 08 06 21 14 03 20 09 15 14 19 15 03 03 21 18 06 01 18 19 15 15 14 05 18 20 08 01 14 05 24 16 05 03 20 05 04
60 02 09 18 20 08 04 01 25 16 01 18 01 04 15 24 19 08 15 23 19 20 08 01 20 03 15 12 12 09 19 09 15 14 19 64 08 01 19 08 06 21 14 03 20 09 15 14 19 15 03 03 21 18 06 01 18 19 15 15 14 05 18 20 08 01 14 05 24 16 05 03 20 05 04
THE BIRTHDAY PARADOX SHOWS THAT COLLISIONS IN HASH FUNCTIONS OCCUR FAR SOONER THAN EXPECTED
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "LIBERTY" }
expert
en
150
224
cipher_museum
2.0
public
null
null
cda-0013107
807 802 814 856 802 853 999 854 821 825 817 858 813 810 999 859 823 814 999 800 833 846 821 801 804 812 857 999 805 872 999 859 823 853 812 814 999 845 842 855 824 858 826 843 839 854 999 815 801 825 834 999 807 834 843 856 812 809 999 825 854 999 801 999 845 842 856 858 861 851 813 999 840 843 859 999 801 999 855 834 ...
807 802 814 856 802 853 999 854 821 825 817 858 813 810 999 859 823 814 999 800 833 846 821 801 804 812 857 999 805 872 999 859 823 853 812 814 999 845 842 855 824 858 826 843 839 854 999 815 801 825 834 999 807 834 843 856 812 809 999 825 854 999 801 999 845 842 856 858 861 851 813 999 840 843 859 999 801 999 855 834 ...
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS FAIL CLOSED IS A POSTURE NOT A SLOGAN
culper_ring
culper_ring
null
{}
medium
en
70
70
synthetic_educational
null
null
[ "codebook_frequency", "number_range_analysis" ]
Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
two-square-v3-0241
RVORNBFIDIVETHGATPBXELLOWWOOEEQASOMOVTHRULDNQSMNPXELHQRGPPFEEOLAMNPXELKO
RVORNBFIDIVETHGATPBXELLOWWOOEEQASOMOVTHRULDNQSMNPXELHQRGPPFEEOLAMNPXELKO
TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER
two_square
two_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
72
72
cipher_museum
2.0
public
null
null
sigaba-v2-0177
EPOMSQIHZVXDOMMZRLODLWVNHYFLMNKWWKCGHYSKBFWVQMDMEGRTZWGZNWTLWASJGPUOHJUXOADDRPB
EPOMSQIHZVXDOMMZRLODLWVNHYFLMNKWWKCGHYSKBFWVQMDMEGRTZWGZNWTLWASJGPUOHJUXOADDRPB
RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT
sigaba
sigaba
machine
{ "type": "seed", "value": "ARMY" }
expert
en
79
79
cipher_museum
2.0
public
null
null
enigma-v2-0103
PZUGURFJENOUTLHQHTQCGEZGBZZZAQOHLBPXEOUAQOGYJQXFPNDPBDORKRBCBEFHHNCTXDWKXVVUVZVM
PZUGURFJENOUTLHQHTQCGEZGBZZZAQOHLBPXEOUAQOGYJQXFPNDPBDORKRBCBEFHHNCTXDWKXVVUVZVM
THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ
enigma
enigma
machine
{ "type": "rotor_start", "value": "ABC" }
expert
en
80
80
cipher_museum
2.0
public
null
null
geheimschreiber-v2-0138
VDTFXMTGJZNQTRRTUOI
VDTFXMTGJZNQTRRTUOI
MISSION ACCOMPLISHED
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "KAISER" }
expert
en
19
19
cipher_museum
2.0
public
null
null
playfair-v2-1064
SGAOLYCKSPQBNG
SGAOLYCKSPQBNG
TARGET ACQUIRED
playfair
playfair
polygraphic
{ "type": "keyword", "value": "DRAGON" }
intermediate
en
14
14
cipher_museum
2.0
public
null
null
cda-0019803
11.2.6 6.2.7 19.6.2 8.3.3 20.4.10 4.4.5 18.1.6 15.6.2 16.4.6 15.4.3 10.1.8 10.6.7 6.3.2 20.2.7 14.4.8 12.2.1 9.5.5 18.4.1 11.1.7 13.6.10 7.2.7 17.5.4 20.6.8 8.5.2 18.4.10 12.4.4 17.1.7 17.6.7 6.5.4 18.4.6 15.3.8 20.5.4 17.5.5 11.5.2 2.3.10 2.1.7 9.4.1 16.3.5 14.6.2 8.5.5 20.1.9 8.4.5 1.3.2 5.4.2 11.1.2 14.1.7 6.2.8 10....
11.2.6 6.2.7 19.6.2 8.3.3 20.4.10 4.4.5 18.1.6 15.6.2 16.4.6 15.4.3 10.1.8 10.6.7 6.3.2 20.2.7 14.4.8 12.2.1 9.5.5 18.4.1 11.1.7 13.6.10 7.2.7 17.5.4 20.6.8 8.5.2 18.4.10 12.4.4 17.1.7 17.6.7 6.5.4 18.4.6 15.3.8 20.5.4 17.5.5 11.5.2 2.3.10 2.1.7 9.4.1 16.3.5 14.6.2 8.5.5 20.1.9 8.4.5 1.3.2 5.4.2 11.1.2 14.1.7 6.2.8 10....
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER
arnold_andre
arnold_andre
null
{}
hard
en
177
177
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
one-time-pad-v2-0152
WKSUGGAPHVOGGSONQDAZOVDOTUIOYTAQQMSISGUWUDCRLSFUCBYXIWCXHMXVWVHLWNRSVYCQLY
WKSUGGAPHVOGGSONQDAZOVDOTUIOYTAQQMSISGUWUDCRLSFUCBYXIWCXHMXVWVHLWNRSVYCQLY
GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
74
74
cipher_museum
2.0
public
null
null
bifid-v2-0621
LATYIERINPOPAR
LATYIERINPOPAR
LIBERTY OR DEATH
bifid
bifid
fractionation
{ "type": "keyword", "value": "TRIUMPH" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
kama-sutra-v2-0227
MLSWUOIEXQM SPLY XEELU HQ MLY TLEW TLQQ LU UWLWU VS UOISWV SQM WYSWVL PYÜMLYEHOI VSUXDDLQIÄEW
MLSWUOIEXQM SPLY XEELU HQ MLY TLEW TLQQ LU UWLWU VS UOISWV SQM WYSWVL PYÜMLYEHOI VSUXDDLQIÄEW
DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "VATSYANA" }
intermediate
en
79
93
cipher_museum
2.0
public
null
null
cda-0002008
GIEIAOIDACTTKNRXOOONPLTEHHHIECEUILADELAMRNRBNEOIIIIITDUONTNGBMXXBSMGSTOCALHABAAEXXMNWRLEST
GIEIAOIDACTTKNRXOOONPLTEHHHIECEUILADELAMRNRBNEOIIIIITDUONTNGBMXXBSMGSTOCALHABAAEXXMNWRLEST
GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE
stager_route
stager_route
null
{ "cols": 10 }
hard
en
90
90
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
two-square-v3-0310
BURAPNHETDLURZCV
BURAPNHETDLURZCV
CHART THE UNKNOWN
two_square
two_square
polygraphic
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
16
16
cipher_museum
2.0
public
null
null
cda-0021542
4.2.9 16.6.7 20.3.7 13.6.10 20.1.8 1.5.9 1.2.9 10.2.5 10.3.10 6.6.4 9.3.5 17.6.8 19.1.2 19.1.1 20.4.2 13.5.2 8.6.4 19.6.5 8.4.7 10.4.8 17.3.1 11.4.2 6.4.5 5.6.5 20.5.9 9.3.8 1.3.4 20.1.10 6.4.7 18.2.9 19.1.5 20.1.2 15.1.6 11.5.2 15.6.3 13.5.7 17.2.8 19.4.8 10.2.9 15.3.7
4.2.9 16.6.7 20.3.7 13.6.10 20.1.8 1.5.9 1.2.9 10.2.5 10.3.10 6.6.4 9.3.5 17.6.8 19.1.2 19.1.1 20.4.2 13.5.2 8.6.4 19.6.5 8.4.7 10.4.8 17.3.1 11.4.2 6.4.5 5.6.5 20.5.9 9.3.8 1.3.4 20.1.10 6.4.7 18.2.9 19.1.5 20.1.2 15.1.6 11.5.2 15.6.3 13.5.7 17.2.8 19.4.8 10.2.9 15.3.7
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS
arnold_andre
arnold_andre
null
{}
medium
en
40
40
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
cda-0015226
1.26.15 6.4.10 2.23.12 18.1.12 14.34.2 10.7.7 3.41.7 2.25.12 16.5.4 20.25.14 14.50.2 5.31.6 4.4.1 2.37.2 19.3.9 10.26.15 12.35.4 8.22.4 1.48.14 2.13.12 17.44.11 11.10.12 9.35.2 9.14.5 20.8.14 3.40.5 8.39.3 15.43.2 8.36.13 1.46.4 4.46.15 19.16.1 19.15.14 14.38.13 17.8.3 10.31.11 13.30.3 11.32.13 4.45.3 12.5.10 11.38.12 ...
1.26.15 6.4.10 2.23.12 18.1.12 14.34.2 10.7.7 3.41.7 2.25.12 16.5.4 20.25.14 14.50.2 5.31.6 4.4.1 2.37.2 19.3.9 10.26.15 12.35.4 8.22.4 1.48.14 2.13.12 17.44.11 11.10.12 9.35.2 9.14.5 20.8.14 3.40.5 8.39.3 15.43.2 8.36.13 1.46.4 4.46.15 19.16.1 19.15.14 14.38.13 17.8.3 10.31.11 13.30.3 11.32.13 4.45.3 12.5.10 11.38.12 ...
MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS
book_cipher
book_cipher
null
{}
hard
en
81
81
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
alberti-disk-v2-0626
CQOSCGYIHTISPLNRDQBBCZCYOPEXQLIUAOZFVKUMEHTPVNARZHPUUBDIPIWJETDABSSUFPKDWSPLJIEOGXMMTFCKZKTHEYGEKXVWBFOTWQLLGOEGUXHRHZEZDVATLKYKERFNDXOGCCWMNEEXYTBEAHH
CQOSCGYIHTISPLNRDQBBCZCYOPEXQLIUAOZFVKUMEHTPVNARZHPUUBDIPIWJETDABSSUFPKDWSPLJIEOGXMMTFCKZKTHEYGEKXVWBFOTWQLLGOEGUXHRHZEZDVATLKYKERFNDXOGCCWMNEEXYTBEAHH
TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 11 }
expert
en
151
151
cipher_museum
2.0
public
null
null
red-type-a-v2-0272
OMDCAXCUOLJOEGNXCAWPEM
OMDCAXCUOLJOEGNXCAWPEM
EXTRACTION POINT CHANGED
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "TOKYO" }
advanced
en
22
22
cipher_museum
2.0
public
null
null
vic-122
9182388468448138327385839239037
9182388468448138327385839239037
THE PACKAGE IS DELIVERED
vic
vic
substitution
{ "type": "keyword", "value": "MUSEUM" }
advanced
en
31
31
cipher_museum
0.2
public
null
null
trifid-v2-0078
ILCAMVYRPYJNTBEOJLZUGWX+YADNCKTCCDWVNBFAKPBB+UJWO+HAOOAVRBKHELWASSCVSUTPLDVVX
ILCAMVYRPYJNTBEOJLZUGWX+YADNCKTCCDWVNBFAKPBB+UJWO+HAOOAVRBKHELWASSCVSUTPLDVVX
NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN
trifid
trifid
fractionation
{ "type": "keyword", "value": "PALACE" }
advanced
en
77
77
cipher_museum
2.0
public
null
null
nihilist-v2-0035
52 46 68 79 35 67 36 56 86 89 56 59
52 46 68 79 35 67 36 56 86 89 56 59
IN GOD WE TRUST
nihilist
nihilist
fractionation
{ "polybius": "PALACE", "keyword": "BATTLE" }
advanced
en
24
35
cipher_museum
2.0
public
null
null
monoalphabetic-v2-1345
GPANTAKUY CKCIYQDQ AXMILDSQ SBA GCUS SBCS UAPSCDK IASSAPQ CMMACP GCP JLPA LGSAK DK AKEIDQB SAXS
GPANTAKUY CKCIYQDQ AXMILDSQ SBA GCUS SBCS UAPSCDK IASSAPQ CMMACP GCP JLPA LGSAK DK AKEIDQB SAXS
FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "COURAGE" }
beginner
en
81
95
cipher_museum
2.0
public
null
null