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32 values
two-square-111
VIETHEFOHEDMRTDMYEEATORDAHNKORVIFPSOCZHTYERRRRDINQOTHEGLORVRFGSBRTFOHEEAFOILSTHEGQRDUSLGOLHGTNLNESSTHEDMTBOLIZORLDFIFRHEZRHASFYULLOLHTINLZ
VIETHEFOHEDMRTDMYEEATORDAHNKORVIFPSOCZHTYERRRRDINQOTHEGLORVRFGSBRTFOHEEAFOILSTHEGQRDUSLGOLHGTNLNESSTHEDMTBOLIZORLDFIFRHEZRHASFYULLOLHTINLZ
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
two_square
two_square
polygraphic
{ "key1": "CIPHER", "key2": "MUSEUM" }
advanced
en
138
138
cipher_museum
0.2
public
null
null
purple-v2-0150
YFNRDXFGQYKTGPWT
YFNRDXFGQYKTGPWT
THE WALLS HAVE EARS
purple
purple
machine
{ "type": "seed", "value": "YAMAMOTO" }
expert
en
16
16
cipher_museum
2.0
public
null
null
cda-0014039
THAN-ZIE / LIN / DZEH / A-KEH-DI-GLINI / TKIN / AH-JAH / DZEH / TSAH / DZEH / GAH / DZEH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / NO-DA-IH / DIBEH / DZEH / DIBEH / WOL-LA-CHEE / GAH / DZEH / CLA-GI-AIH / DZEH /...
THAN-ZIE / LIN / DZEH / A-KEH-DI-GLINI / TKIN / AH-JAH / DZEH / TSAH / DZEH / GAH / DZEH / MOASI / TKIN / CLA-GI-AIH / LIN / DZEH / GAH / NO-DA-IH / DIBEH / DZEH / DIBEH / WOL-LA-CHEE / GAH / DZEH / CLA-GI-AIH / DZEH /...
THE VIGENERE CIPHER USES A REPEATING KEYWORD AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS
navajo_code
navajo_code
null
{}
hard
en
205
205
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
fialka-v3-0148
GLIOUNZXZCNNNGYVL
GLIOUNZXZCNNNGYVL
THE RAILWAY ARRIVES
fialka
fialka
machine
{ "type": "seed", "value": "KREMLIN" }
expert
en
17
17
cipher_museum
2.0
public
null
null
diana-v3-0064
LWACNRGLNNLDEPJDLKNHGYNORJBIWERXNPWELIRCACRYWSMZMJNTCNMMCVQVJNHNXNQJJGUDXH
LWACNRGLNNLDEPJDLKNHGYNORJBIWERXNPWELIRCACRYWSMZMJNTCNMMCVQVJNHNXNQJJGUDXH
GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT
diana
diana
polyalphabetic
{ "type": "keyword", "value": "RANGER" }
intermediate
en
74
74
cipher_museum
2.0
public
null
null
bifid-262
SGIOTKMADLFNEEQDPMAERQDEAYDOZTEQEEANRESQHTNGG
SGIOTKMADLFNEEQDPMAERQDEAYDOZTEQEEANRESQHTNGG
THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED
bifid
bifid
fractionation
{ "type": "keyword", "value": "ENIGMA" }
advanced
en
45
45
cipher_museum
0.2
public
null
null
cda-0013737
01645 6983 1645 5653 07909 5996 07919 06056 06375 1571 4176 4483 1667 1594 1332 6045 00363 04435 02557 4773 4475 01649 5969 06297 6302 2517 05739 1570 0413 06326 04126 04802 01345 01583 3859 0993 4783 3830 06674 04155 04441 00387 5717 06287 05661 00351 04451 05971 05118 04755 6034 2874 06281 02886 04736 4431 5674 01588...
01645 6983 1645 5653 07909 5996 07919 06056 06375 1571 4176 4483 1667 1594 1332 6045 00363 04435 02557 4773 4475 01649 5969 06297 6302 2517 05739 1570 0413 06326 04126 04802 01345 01583 3859 0993 4783 3830 06674 04155 04441 00387 5717 06287 05661 00351 04451 05971 05118 04755 6034 2874 06281 02886 04736 4431 5674 01588...
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER
zimmermann
zimmermann
null
{}
medium
en
78
78
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
adfgvx-v2-0400
GFDXGADGAAXAFXDAFDDFAFAXAVDDAAXA
GFDXGADGAAXAFXDAFDDFAFAXAVDDAAXA
DIVIDE AND CONQUER
adfgvx
adfgvx
fractionation
{ "polybius": "DRAGON", "columnar": "THUNDER" }
advanced
en
32
32
cipher_museum
2.0
public
null
null
red-type-a-v2-0301
FVOLUYJECEIZGOSXIUTBOGTNBUELOJOTNFIWRISSURBWOZOLLVEVYEHDBOJKOAXETYMOXI
FVOLUYJECEIZGOSXIUTBOGTNBUELOJOTNFIWRISSURBWOZOLLVEVYEHDBOJKOAXETYMOXI
THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "TOKYO" }
advanced
en
70
70
cipher_museum
2.0
public
null
null
solitaire-112
AHZZVTBYEDEUKUDIHUMTTOIBQWOZNOAMIZHJDBJUINBHASZHWNIDEVXJHA
AHZZVTBYEDEUKUDIHUMTTOIBQWOZNOAMIZHJDBJUINBHASZHWNIDEVXJHA
IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE
solitaire
solitaire
stream
{ "type": "passphrase", "value": "CRYPTONOMICON" }
expert
en
58
58
cipher_museum
0.2
public
null
null
cda-0019026
5094 04794 3777 7879 00691 02836 06618 6018 1637 4472 1014 4786 1286 01649 01292 03792 01632 6294 6285 01596 05706 05996 00339 5984 05059 00339 2875 05659 5969 04717 1975 04492 06628 4123 00673 01667 5705 05972 1961 05656 04715 04085 04775 4486 1628 6308 4724 1943 2835 6932 1604 06318 4730 04114 4798 5717 05746 04805 0...
5094 04794 3777 7879 00691 02836 06618 6018 1637 4472 1014 4786 1286 01649 01292 03792 01632 6294 6285 01596 05706 05996 00339 5984 05059 00339 2875 05659 5969 04717 1975 04492 06628 4123 00673 01667 5705 05972 1961 05656 04715 04085 04775 4486 1628 6308 4724 1943 2835 6932 1604 06318 4730 04114 4798 5717 05746 04805 0...
POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE TOMORROW
zimmermann
zimmermann
null
{}
medium
en
59
59
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
null-cipher-v2-0040
number on right this help same their about right help on line down show follow its right mean call on uout right some each
number on right this help same their about right help on line down show follow its right mean call on uout right some each
NORTH STAR HOLDS FIRM COURSE
null_cipher
null_cipher
steganography
{ "type": "position", "value": "first" }
advanced
en
99
122
cipher_museum
2.0
public
null
null
jefferson-disk-v3-0075
SIIEMOVTISMWZZSNPKZTLYJJIVGZNPKVOUDYZVXXNJIVHZVXGODNDMAACNDQNERRZNMFRTKPKK
SIIEMOVTISMWZZSNPKZTLYJJIVGZNPKVOUDYZVXXNJIVHZVXGODNDMAACNDQNERRZNMFRTKPKK
THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA
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
double-transposition-v2-0534
UAEDSEMAHSRTWIDTGOG
UAEDSEMAHSRTWIDTGOG
WISDOM GUARDS THE GATE
double_transposition
double_transposition
transposition
{ "key1": "WISDOM", "key2": "COURAGE" }
advanced
en
19
19
cipher_museum
2.0
public
null
null
cardano-autokey-v3-0300
NDLRVVGALGQILJWSTMBGMNRZZRGLABUFGQAQWFRGGWKSRPDTFFBRTTSDAPXHRLAKGZGZXALTDZTBBKCLMBNQVODPKJOHVZGQBARGVXHWALQIEBAHNBHALVKALCQZVIFOGHGNLRVXALGCUMWWODPKJPUBTPEALWWTPRRTBWB
NDLRVVGALGQILJWSTMBGMNRZZRGLABUFGQAQWFRGGWKSRPDTFFBRTTSDAPXHRLAKGZGZXALTDZTBBKCLMBNQVODPKJOHVZGQBARGVXHWALQIEBAHNBHALVKALCQZVIFOGHGNLRVXALGCUMWWODPKJPUBTPEALWWTPRRTBWB
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
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "ROME" }
advanced
en
167
167
cipher_museum
2.0
public
null
null
cda-0018677
K r· L K· Γ· ¬· L ─ L ┌· L r Γ· ┐· r· L ┌· X· X L X ⌐ ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· ⌒ ┘· ┌· Γ r ⌐ ┌· L ⌐· X· └ └ ⌒·
K r· L K· Γ· ¬· L ─ L ┌· L r Γ· ┐· r· L ┌· X· X L X ⌐ ┌· L ┐· L ⌐ K Γ· ─ ¬· ┐ L ⌒· ⌒ ┘· ┌· Γ r ⌐ ┌· L ⌐· X· └ └ ⌒·
THE VIGENERE CIPHER USES A REPEATING KEYWORD CAREFULLY
pigpen
pigpen
null
{}
easy
en
21
21
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
nomenclator-097
07 09 22 05 13 05 12 09 02 05 18 20 25 15 18 07 09 22 05 13 05 04 05 01 20 08 19 01 09 04 16 01 20 18 09 03 11 08 05 14 18 25
07 09 22 05 13 05 12 09 02 05 18 20 25 15 18 07 09 22 05 13 05 04 05 01 20 08 19 01 09 04 16 01 20 18 09 03 11 08 05 14 18 25
GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "CIPHER" }
expert
en
84
125
cipher_museum
0.2
public
null
null
columnar-transposition-fr-010
LBFIISAETTLPUCSVEEREIEQNEILUCUCALRSNIIMISERIAEDBQOQOUEATILDAEA
LBFIISAETTLPUCSVEEREIEQNEILUCUCALRSNIIMISERIAEDBQOQOUEATILDAEA
LA REPUBLIQUE FRANCAISE EST INDIVISIBLE LAIQUE DEMOCRATIQUE ET SOCIALE
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "CIPHER" }
intermediate
fr
62
62
cipher_museum
0.2
public
null
null
vernam-034
FFYKDJWSTBEVYQJXAWPUVGLIIVWTATCEEUHAJQU
FFYKDJWSTBEVYQJXAWPUVGLIIVWTATCEEUHAJQU
IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES
vernam
vernam
stream
{ "type": "pad", "value": "XMCKLQPOS (repeating)" }
expert
en
39
39
cipher_museum
0.2
public
null
null
trifid-vg-0057
N+RFIARBGRRLW+FPTRJCIGYHPA+SXHOLHGMUDKRLEOAIPACAIEGTIPCQAGEFOEYQRKO
N+RFIARBGRRLW+FPTRJCIGYHPA+SXHOLHGMUDKRLEOAIPACAIEGTIPCQAGEFOEYQRKO
LOVE IS PATIENT LOVE IS KIND IT DOES NOT ENVY IT DOES NOT BOAST IT IS NOT PROUD AT ALL
trifid
trifid
fractionation
{ "type": "keyword", "value": "SECRET" }
advanced
en
67
67
cipher_museum
2.0
public
null
null
argenti-v2-0360
16 39 75 20 18 63 64 71 46 11 42 29 10 87 77 57 44 69 38 28 16 39 75 59 21 20 63 27 71 42 25 24 29 77 87 61 64 10 39 75 59 15 71 27 68 44 11 33 65 39 38 42 20 28 77 71 49 59 75 63 33 23 69 88 49 39 86 11 65 13 33 42 29 65 28 11 75 20 28 27 71 23 59 42 61 11 75 48 33 65 42 77 39 43 28 69 44 75 29 24 71 38 39 33 20 42 59...
16 39 75 20 18 63 64 71 46 11 42 29 10 87 77 57 44 69 38 28 16 39 75 59 21 20 63 27 71 42 25 24 29 77 87 61 64 10 39 75 59 15 71 27 68 44 11 33 65 39 38 42 20 28 77 71 49 59 75 63 33 23 69 88 49 39 86 11 65 13 33 42 29 65 28 11 75 20 28 27 71 23 59 42 61 11 75 48 33 65 42 77 39 43 28 69 44 75 29 24 71 38 39 33 20 42 59...
WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS
argenti
argenti
nomenclator
{ "type": "seed", "value": "VATICAN" }
expert
en
286
428
cipher_museum
2.0
public
null
null
m94-v2-0239
CROWHRRLNWBZT
CROWHRRLNWBZT
HONOR ABOVE ALL
m94
m94
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
13
13
cipher_museum
2.0
public
null
null
slidex-v3-0126
HDFDDZIQCKPHDMHMIL
HDFDDZIQCKPHDMHMIL
DEAD MEN TELL NO TALES
slidex
slidex
transposition
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
18
18
cipher_museum
2.0
public
null
null
straddling-checkerboard-v3-0016
206925160454251742028280
206925160454251742028280
ARCHERS TO THE WALLS
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "SENTORISCA" }
advanced
en
24
24
cipher_museum
2.0
public
null
null
argenti-v3-0075
14 41 22 12 32 24 82 51 88 59 65 87 57 73 43 32 39 44 16 30 69 45 66 25 22 75 62 88 52 72 51 44 35 66 14 41 57 75 72 30 79 53 22 44 73 88 36 16 75 25 57 65 14 42 24 49 21 32 73 22 53 65 51 52 16 79 32 66 30 71 43 72 51 57
14 41 22 12 32 24 82 51 88 59 65 87 57 73 43 32 39 44 16 30 69 45 66 25 22 75 62 88 52 72 51 44 35 66 14 41 57 75 72 30 79 53 22 44 73 88 36 16 75 25 57 65 14 42 24 49 21 32 73 22 53 65 51 52 16 79 32 66 30 71 43 72 51 57
THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA
argenti
argenti
nomenclator
{ "type": "seed", "value": "ROME" }
expert
en
148
221
cipher_museum
2.0
public
null
null
caesar-044
HOHPHQWDUB PB GHDU ZDWVRQ WKH JDPH LV DIRRW DQG WKH FULPLQDO LV FORVH
HOHPHQWDUB PB GHDU ZDWVRQ WKH JDPH LV DIRRW DQG WKH FULPLQDO LV FORVH
ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE
caesar
caesar
substitution
{ "type": "shift", "value": 3 }
beginner
en
57
69
cipher_museum
0.2
public
null
null
m209-v2-0210
TQQJRYZYZEVJWNLIGVMZPQVKCCFRWXLQHLIVURUCRCGVLZPRIUJVQJMZNJLBYYTMKRJVRBLZRHGPLKWRXLN
TQQJRYZYZEVJWNLIGVMZPQVKCCFRWXLQHLIVURUCRCGVLZPRIUJVQJMZNJLBYYTMKRJVRBLZRHGPLKWRXLN
KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS
m209
m209
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
83
83
cipher_museum
2.0
public
null
null
vernam-v3-0122
WNEMBRSMLELSLSYHUV
WNEMBRSMLELSLSYHUV
GRAVITY EXPLAINS ALL
vernam
vernam
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
18
18
cipher_museum
2.0
public
null
null
cda-0011843
TIEMU ERSAS THEEH KEXXH EOCAR TUMAX XRILU CHRDS DX
TIEMU ERSAS THEEH KEXXH EOCAR TUMAX XRILU CHRDS DX
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER
stager_route
stager_route
null
{ "cols": 7 }
medium
en
42
42
synthetic_educational
null
null
[]
bazeries-v3-0038
RPSTIDWQTOQRVTVTVJK
RPSTIDWQTOQRVTVTVJK
MEASURE TWICE CUT ONCE
bazeries
bazeries
transposition
{ "type": "integer", "value": 17 }
advanced
en
19
19
cipher_museum
2.0
public
null
null
sigaba-v3-0108
YODDLRYOXBXTOFYYTCWC
YODDLRYOXBXTOFYYTCWC
THE LEGIONS STAND READY
sigaba
sigaba
machine
{ "type": "seed", "value": "ARMY" }
expert
en
20
20
cipher_museum
2.0
public
null
null
alberti-disk-v2-0446
UPHBYSHUYIXQRBWCJLZPQSDEPCWVMPSVNJYYUOONEOKWMLDNHHANOHZIXBTBNZYUAFCRQZTSSELK
UPHBYSHUYIXQRBWCJLZPQSDEPCWVMPSVNJYYUOONEOKWMLDNHHANOHZIXBTBNZYUAFCRQZTSSELK
BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 10 }
expert
en
76
76
cipher_museum
2.0
public
null
null
sigaba-v3-0166
YODLDNVIAUFXBPLOIIPVRQFCRRFBGLIQETQPNTYONADRDHNAZRQFFZPYCFXICASTTIBMSLJWH
YODLDNVIAUFXBPLOIIPVRQFCRRFBGLIQETQPNTYONADRDHNAZRQFFZPYCFXICASTTIBMSLJWH
THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY
sigaba
sigaba
machine
{ "type": "seed", "value": "ARMY" }
expert
en
73
73
cipher_museum
2.0
public
null
null
fractionated-morse-v2-0427
NFUJNMMDABVLKSILAIHBOSSBBLNENIMEIBEEPEDWNJTIBSEMFXFAWAVXDATANBADTBLLFATSMBAPFWNRU
NFUJNMMDABVLKSILAIHBOSSBBLNENIMEIBEEPEDWNJTIBSEMFXFAWAVXDATANBADTBLLFATSMBAPFWNRU
THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
81
81
cipher_museum
2.0
public
null
null
geheimschreiber-v2-0001
VAJQQKSHQOXX
VAJQQKSHQOXX
THE DIE IS CAST
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "BERLIN" }
expert
en
12
12
cipher_museum
2.0
public
null
null
playfair-v2-0882
LWPKWODWTEZAORLBIWTKORGBQLALGIBLSDWTKZDWPNGBNOLSAZCTCMGOAZBOBQEGFTEZTAPDBQ
LWPKWODWTEZAORLBIWTKORGBQLALGIBLSDWTKZDWPNGBNOLSAZCTCMGOAZBOBQEGFTEZTAPDBQ
FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH
playfair
playfair
polygraphic
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
74
74
cipher_museum
2.0
public
null
null
jn25-v2-0011
26199 26180 26197 26186 26184 26199 26180 26182 26196 26100 26188 26197 26184 26183
26199 26180 26197 26186 26184 26199 26180 26182 26196 26100 26188 26197 26184 26183
TARGET ACQUIRED
jn25
jn25
codebook
{ "type": "additive", "value": "16180" }
expert
en
70
83
cipher_museum
2.0
public
null
null
culper-ring-v2-0104
998 807 804 800 803 816 820 800 817 819 804 817 818 999 998 802 814 813 805 808 817 812 818 999 107 100 998 808 813 819 804 811 811 808 806 804 813 802 804 999 219 106 998 800 802 802 820 817 800 819 804 999 102 998 817 804 816 820 808 817 804 818 999 998 808 812 812 804 803 808 800 819 804 999 998 818 822 808 805 819 ...
998 807 804 800 803 816 820 800 817 819 804 817 818 999 998 802 814 813 805 808 817 812 818 999 107 100 998 808 813 819 804 811 811 808 806 804 813 802 804 999 219 106 998 800 802 802 820 817 800 819 804 999 102 998 817 804 816 820 808 817 804 818 999 998 808 812 812 804 803 808 800 819 804 999 998 818 822 808 805 819 ...
HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION
culper_ring
culper_ring
codebook
{ "type": "none", "value": null }
expert
en
267
355
cipher_museum
2.0
public
null
null
autokey-v3-0273
EPFFRMRELSGGXMECGGAVZEYKUYUZSRWXHDRZRRHFOQLOIHTTAYHTXYTCXTLWJOMMAYWKEKNOETT
EPFFRMRELSGGXMECGGAVZEYKUYUZSRWXHDRZRRHFOQLOIHTTAYHTXYTCXTLWJOMMAYWKEKNOETT
THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
75
75
cipher_museum
2.0
public
null
null
hill-v2-0440
DMGFEBRJEESYTRTKSJRJUFWDVMILQYZETREGUMDMMALNQROADBZRFJKPFBSNGRUOFXSNQHNFMRSJAH
DMGFEBRJEESYTRTKSJRJUFWDVMILQYZETREGUMDMMALNQROADBZRFJKPFBSNGRUOFXSNQHNFMRSJAH
THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS
hill
hill
polygraphic
{ "a": 9, "b": 2, "c": 7, "d": 5 }
advanced
en
78
78
cipher_museum
2.0
public
null
null
joseon-yeokhak-v3-0198
KVSBSJSFOBMTCFACTUCJSFBASBHPSQCASGRSGHFIQHWJSCTHVSGSSBRGWHWGHVSFWUVHCTHVSDSCDZSHCOZHSFCFHCOPCZWGVWHOBRHCWBGHWHIHSBSKUCJSFBASBHZOMWBUWHGTCIBROHWCBCBGIQVDFWBQWDZSG
KVSBSJSFOBMTCFACTUCJSFBASBHPSQCASGRSGHFIQHWJSCTHVSGSSBRGWHWGHVSFWUVHCTHVSDSCDZSHCOZHSFCFHCOPCZWGVWHOBRHCWBGHWHIHSBSKUCJSFBASBHZOMWBUWHGTCIBROHWCBCBGIQVDFWBQWDZSG
WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "JOSEON" }
beginner
en
161
161
cipher_museum
2.0
public
null
null
affine-v3-0750
DMCD GMP RMXX PY RCXMI
DMCD GMP RMXX PY RCXMI
DEAD MEN TELL NO TALES
affine
affine
substitution
{ "a": 9, "b": 2 }
beginner
en
18
22
cipher_museum
2.0
public
null
null
cda-0008539
OQGQW TAYKN DZAYG PBCGP CIZBN DNEGQ XAKYQ OSNMG WDDRF TZAEK CBIQJ HVFVW TRODM YWCUR JYOIY QGNNU QHEHN SMCDP D
OQGQW TAYKN DZAYG PBCGP CIZBN DNEGQ XAKYQ OSNMG WDDRF TZAEK CBIQJ HVFVW TRODM YWCUR JYOIY QGNNU QHEHN SMCDP D
OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER
trithemius
trithemius
null
{}
hard
en
91
91
synthetic_educational
null
null
[]
four-square-v2-0329
ODMZHLKUNHIGGPTMRFLUEWINMTUKMTRTWQGLDAEQQYALGGGSFLIGRTQHNFBPRGRRATUEGPGQCSHOTCNYRN
ODMZHLKUNHIGGPTMRFLUEWINMTUKMTRTWQGLDAEQQYALGGGSFLIGRTQHNFBPRGRRATUEGPGQCSHOTCNYRN
THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR
four_square
four_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
82
82
cipher_museum
2.0
public
null
null
enigma-v3-0739
DFMQVYUYFLVUGGAOVIV
DFMQVYUYFLVUGGAOVIV
AVE MARIA GRATIA PLENA
enigma
enigma
machine
{ "type": "rotor_start", "value": "VWX" }
expert
en
19
19
cipher_museum
2.0
public
null
null
bazeries-v3-0596
HTOSNRLJOAMYFSOAEHSVHOGSRYNOGAHRYDHNTGSTDLMHDOYWRHMANYLHFFAGPHMDSOQYLHEDLY
HTOSNRLJOAMYFSOAEHSVHOGSRYNOGAHRYDHNTGSTDLMHDOYWRHMANYLHFFAGPHMDSOQYLHEDLY
WHAT DOES IT PROFIT A MAN TO GAIN THE WHOLE WORLD AND YET LOSE HIS OWN IMMORTAL SOUL FOREVER
bazeries
bazeries
transposition
{ "type": "integer", "value": 67 }
advanced
en
74
74
cipher_museum
2.0
public
null
null
cda-0001953
IMTXQ SJGBP EJQLF VUBSI UICDI ISWPP UTSSV FDXJS PFWIS CUZTX FQPFF HTEPI PRFWV UIVFE VNPHF PESZT USISB TICTF XESHU QBXJI PDFEO HEBSI GYNUI MOOKO H
IMTXQ SJGBP EJQLF VUBSI UICDI ISWPP UTSSV FDXJS PFWIS CUZTX FQPFF HTEPI PRFWV UIVFE VNPHF PESZT USISB TICTF XESHU QBXJI PDFEO HEBSI GYNUI MOOKO H
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING
gronsfeld
gronsfeld
null
{ "key": "141421" }
hard
en
121
121
synthetic_educational
null
null
[ "kasiski_examination", "digit_key_brute_force" ]
Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).
lorenz-v3-0388
CHARSTHEUNKNOWN
CHARSTHEUNKNOWN
CHART THE UNKNOWN
lorenz
lorenz
machine
{ "type": "seed", "value": "STURGEON" }
expert
en
15
15
cipher_museum
2.0
public
null
null
geez-monastic-v3-0108
IJTHTVEOSAAIZSBFTZBW
IJTHTVEOSAAIZSBFTZBW
THE LEGIONS STAND READY
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "AXUM" }
advanced
en
20
20
cipher_museum
2.0
public
null
null
jefferson-disk-151
XEFXMZVKDDCEOYVNATGYPTZTSMZNVWIPGKSAYZHSMRRZRMM
XEFXMZVKDDCEOYVNATGYPTZTSMZNVWIPGKSAYZHSMRRZRMM
ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "5,3,6,1,4,2" }
expert
en
47
47
cipher_museum
0.2
public
null
null
kryptos-v3-0319
XHQLNOXYVYFDYU
XHQLNOXYVYFDYU
MARCH TO VICTORY
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "SANBORN" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
geez-monastic-v3-0033
RPBEJJIHHIVJ
RPBEJJIHHIVJ
YANKEE DOODLE
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "ETHIOPIA" }
advanced
en
12
12
cipher_museum
2.0
public
null
null
fialka-v2-0310
PAMCQMFQQOKADMCEVWNFIQKNSJONHHSVZZNPZOXKFIOOOPCAQGHRNDMXLLFPRGMKWOGG
PAMCQMFQQOKADMCEVWNFIQKNSJONHHSVZZNPZOXKFIOOOPCAQGHRNDMXLLFPRGMKWOGG
NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS
fialka
fialka
machine
{ "type": "seed", "value": "SOVIET" }
expert
en
68
68
cipher_museum
2.0
public
null
null
kryptos-v3-0102
DYMYFJQUEHFJCIFKJSDVBIKDQMEIMBDYMECELRBUFRLQEJHFLAEZLFISVPIPEKEXJRPZKHQBDYJUXRRICZXTAUJUCYHCVRIRQZHHDIUWIIWOHZNISBZUSZMBASHPASECXQIYFNEXJBMKFECSQUKWJADYMADXWXNISBYZB
DYMYFJQUEHFJCIFKJSDVBIKDQMEIMBDYMECELRBUFRLQEJHFLAEZLFISVPIPEKEXJRPZKHQBDYJUXRRICZXTAUJUCYHCVRIRQZHHDIUWIIWOHZNISBZUSZMBASHPASECXQIYFNEXJBMKFECSQUKWJADYMADXWXNISBYZB
THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "SHADOW" }
advanced
en
165
165
cipher_museum
2.0
public
null
null
alberti-disk-v2-0030
AGLWQRUNDOVMAHUTEZG
AGLWQRUNDOVMAHUTEZG
WISDOM GUARDS THE GATE
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 4 }
expert
en
19
19
cipher_museum
2.0
public
null
null
slidex-v3-0087
VHYHKBMTDGAOOWQALPQGZEPUMUSWOFZTVMGMUZMUZBSEZPJBWRRPRULNDNHMAMZIMLYHNQMJOVHMUMND
VHYHKBMTDGAOOWQALPQGZEPUMUSWOFZTVMGMUZMUZBSEZPJBWRRPRULNDNHMAMZIMLYHNQMJOVHMUMND
THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE
slidex
slidex
transposition
{ "type": "keyword", "value": "BLETCHLEY" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
trifid-v3-0241
IFZFOTULIILC
IFZFOTULIILC
YANKEE DOODLE
trifid
trifid
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
12
12
cipher_museum
2.0
public
null
null
playfair-v3-0021
UGPAQKTYKOBCUAXLTLDETNLULCFL
UGPAQKTYKOBCUAXLTLDETNLULCFL
THE PRINTING PRESS CHANGES ALL
playfair
playfair
polygraphic
{ "type": "keyword", "value": "PALACE" }
intermediate
en
28
28
cipher_museum
2.0
public
null
null
m94-v2-0036
XXJGOJAICUCOJO
XXJGOJAICUCOJO
LIBERTY OR DEATH
m94
m94
machine
{ "type": "seed", "value": "ARMY" }
expert
en
14
14
cipher_museum
2.0
public
null
null
trifid-v2-0134
+LSULFFHLAFQHTPOEN
+LSULFFHLAFQHTPOEN
ENEMY RETREATS NORTH
trifid
trifid
fractionation
{ "type": "keyword", "value": "FORTRESS" }
advanced
en
18
18
cipher_museum
2.0
public
null
null
red-type-a-v3-0360
LANFJEIXVZUUJXELUAOUQJYNEFUWELZIXSXOJNENWJZOHYDEHUEHZEYCPSYVUYCMCUACILIOGARWSYUNVOIHEAF
LANFJEIXVZUUJXELUAOUQJYNEFUWELZIXSXOJNENWJZOHYDEHUEHZEYCPSYVUYCMCUACILIOGARWSYUNVOIHEAF
CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "MIKADO" }
advanced
en
87
87
cipher_museum
2.0
public
null
null
adfgvx-v2-0428
AXAADFAADFAVAAFAAGDGAVAGAVAXGVDVGFDFAADXAVGAVAXFDDFGDADDFAVDDFDVDDAGAXGDDAAVGFVVADFDAGAXGDAAGFAVGVGGAVFVGAADVDDGGGAGDGDAAAXGFAVAXGVAVDXDVGDDXFFAXGFA
AXAADFAADFAVAAFAAGDGAVAGAVAXGVDVGFDFAADXAVGAVAXFDDFGDADDFAVDDFDVDDAGAXGDDAAVGFVVADFDAGAXGDAAGFAVGVGGAVFVGAADVDDGGGAGDGDAAAXGFAVAXGVAVDXDVGDDXFFAXGFA
GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW
adfgvx
adfgvx
fractionation
{ "polybius": "DRAGON", "columnar": "THUNDER" }
advanced
en
148
148
cipher_museum
2.0
public
null
null
argenti-v2-0192
37 82 83 70 20 28 67 17 27 66 18 83 26 23 56 32 41 75 37 82 20 60 83 71 72 44 25 41 44 89 17 70 81 72 22 12 23 16 63 25 32 15 44 17 38 77 20 12 71 83 23 27 66 18 20 82 17 26 64 23 25 83 41 75 59 44 32 20 67 22 37 28 25 12 72 44 89
37 82 83 70 20 28 67 17 27 66 18 83 26 23 56 32 41 75 37 82 20 60 83 71 72 44 25 41 44 89 17 70 81 72 22 12 23 16 63 25 32 15 44 17 38 77 20 12 71 83 23 27 66 18 20 82 17 26 64 23 25 83 41 75 59 44 32 20 67 22 37 28 25 12 72 44 89
THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING
argenti
argenti
nomenclator
{ "type": "seed", "value": "PAPAL" }
expert
en
154
230
cipher_museum
2.0
public
null
null
kl7-043
WUMVKUUEIQLLVDCEDFSXVPSANUYGSSTVSBRFJBHSZZOGTRU
WUMVKUUEIQLLVDCEDFSXVPSANUYGSSTVSBRFJBHSZZOGTRU
THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER
kl7
kl7
machine
{ "type": "seed", "value": "TSEC" }
expert
en
47
47
cipher_museum
0.2
public
null
null
arnold-andre-001
4.3.4 13.1.1 14.1.1 14.4.5 15.1.1 13.1.1 14.1.4 14.1.1 14.5.3 14.3.4 15.1.1
4.3.4 13.1.1 14.1.1 14.4.5 15.1.1 13.1.1 14.1.4 14.1.1 14.5.3 14.3.4 15.1.1
ATTACK AT DAWN
arnold_andre
arnold_andre
codebook
{ "type": "none", "value": null }
expert
en
65
75
cipher_museum
0.2
public
null
null
enigma-v2-0114
PZTOLQXGSOKLGNWIBCXGEYJXKFMYWKBFMUNZODILJAYIXJDOQAQNBJCGKHVCGEQKCZZDMRUULFHFIDCKZIHZYDIEDQGLEKIOKTNYYVLEXCJLMDCKVMNUOJEHPXXOKKCJIYFTIDZUVDXUZSCOACVOJETTJIVYKKCU
PZTOLQXGSOKLGNWIBCXGEYJXKFMYWKBFMUNZODILJAYIXJDOQAQNBJCGKHVCGEQKCZZDMRUULFHFIDCKZIHZYDIEDQGLEKIOKTNYYVLEXCJLMDCKVMNUOJEHPXXOKKCJIYFTIDZUVDXUZSCOACVOJETTJIVYKKCU
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
enigma
enigma
machine
{ "type": "rotor_start", "value": "ABC" }
expert
en
160
160
cipher_museum
2.0
public
null
null
nihilist-v3-0333
75 26 70 56 53 76 47 79 53 53 64 38 70 65 26 93 38 56 45 24 65 58 47 52 26 63 38 87 45 25 93 47 46 36 44 66 67 70 35 23 83 56 48 45 35 85 58 59 56 33 85 59 67 35 63 83 46 80 54 65 66 65 70 36 56 64 47 70 33 34 66 65 80 33 23 67 58 59 45 57 84 38 49 44 36 64 25
75 26 70 56 53 76 47 79 53 53 64 38 70 65 26 93 38 56 45 24 65 58 47 52 26 63 38 87 45 25 93 47 46 36 44 66 67 70 35 23 83 56 48 45 35 85 58 59 56 33 85 59 67 35 63 83 46 80 54 65 66 65 70 36 56 64 47 70 33 34 66 65 80 33 23 67 58 59 45 57 84 38 49 44 36 64 25
CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN
nihilist
nihilist
fractionation
{ "polybius": "NARODNAYA", "keyword": "VOLYA" }
advanced
en
174
260
cipher_museum
2.0
public
null
null
diana-074
CXEZMGOQWQAYLEPO
CXEZMGOQWQAYLEPO
ALL IS LOST RETREAT
diana
diana
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
16
16
cipher_museum
0.2
public
null
null
bazeries-v2-0538
LPSULKTHPLYOJSOLG
LPSULKTHPLYOJSOLG
NOVUS ORDO SECLORUM
bazeries
bazeries
transposition
{ "type": "integer", "value": 53 }
advanced
en
17
17
cipher_museum
2.0
public
null
null
cda-0017254
THEIX DEXOZ COINZ IDENX EISAU SEFUL CLUEM ODERZ ENCRX PTION ISNOT BROKZ NBYLE TTERF REQUE NCYEE
THEIX DEXOZ COINZ IDENX EISAU SEFUL CLUEM ODERZ ENCRX PTION ISNOT BROKZ NBYLE TTERF REQUE NCYEE
THE INDEX OF COINCIDENCE IS A USEFUL CLUE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY
commercial_code
commercial_code
null
{}
hard
en
80
80
synthetic_educational
null
null
[ "codebook_frequency", "five_letter_group_analysis" ]
Commercial code: five-letter groups from a codebook, often ending in X or Z.
kama-sutra-179
VMY UWV FO RUW LZ FO TLVUI LHDFWVUGXY VF VMY ZVUVY LV LZ U HUVVYW FO ILOY UGP PYUVM U WFUP YLVMYW VF ZUOYVE FW VF WALG MYGXY LV LZ U ZAQKYXV FO LGBALWE RMLXM XUG FG GF UXXFAGV QY GYNIYXVYP
VMY UWV FO RUW LZ FO TLVUI LHDFWVUGXY VF VMY ZVUVY LV LZ U HUVVYW FO ILOY UGP PYUVM U WFUP YLVMYW VF ZUOYVE FW VF WALG MYGXY LV LZ U ZAQKYXV FO LGBALWE RMLXM XUG FG GF UXXFAGV QY GYNIYXVYP
THE ART OF WAR IS OF VITAL IMPORTANCE TO THE STATE IT IS A MATTER OF LIFE AND DEATH A ROAD EITHER TO SAFETY OR TO RUIN HENCE IT IS A SUBJECT OF INQUIRY WHICH CAN ON NO ACCOUNT BE NEGLECTED
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "SECRET" }
intermediate
en
148
188
cipher_museum
0.2
public
null
null
joseon-yeokhak-v2-0049
BPMYCITQBGWNUMZKGQAVWBABZIQVMLQBLZWXXMBPIABPMOMVBTMZIQVNZWUPMIDMVIJWDM
BPMYCITQBGWNUMZKGQAVWBABZIQVMLQBLZWXXMBPIABPMOMVBTMZIQVNZWUPMIDMVIJWDM
THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "SEOUL" }
beginner
en
70
70
cipher_museum
2.0
public
null
null
fractionated-morse-v3-0482
HRGEGCTESJEQAMNAMMGFEJRDXKXJEPEQXJEGKPNGJAGALTWEENTPNXSGHQPEAUXFNMEDRIPVEQGCMJWMTQECSG
HRGEGCTESJEQAMNAMMGFEJRDXKXJEPEQXJEGKPNGJAGALTWEENTPNXSGHQPEAUXFNMEDRIPVEQGCMJWMTQECSG
GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "JUSTICE" }
advanced
en
86
86
cipher_museum
2.0
public
null
null
kryptos-v2-0341
KPFFYISIYOCHDBRNOCYGWPUANHHUACVISKYGTKEPMUDFBDJKKREFOSLZXRYEHJSYFBURVDCPBVDKUEAF
KPFFYISIYOCHDBRNOCYGWPUANHHUACVISKYGTKEPMUDFBDJKKREFOSLZXRYEHJSYFBURVDCPBVDKUEAF
THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "VIRTUAL" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
cda-0016811
⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L
⌐ └ ⌐ ─ K X· ┌· Γ· ─ ¬· ¬ ┌· ┘· ┐ L L ─ Γ· ¬· ┌ ⌐ ⌒ Γ· K r· r ┌· Γ· ¬ X ⌐ ─ Γ K r· L ¬ ┘· ┌ ¬ L ┌ ⌐ r r· Γ· ─ L
ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE
pigpen
pigpen
null
{}
easy
en
15
15
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
cda-0018426
3.4.1 1.30.12 16.34.2 15.16.12 19.45.11 19.11.13 9.13.5 12.19.3 14.22.2 17.6.15 16.25.7 12.50.11 2.3.2 4.34.3 11.23.8 13.27.7 3.21.3 3.49.15 15.16.10 20.25.11 13.38.7 14.12.11 4.42.3 11.34.12 8.24.14 10.43.3 15.39.1 19.35.12 6.43.9 10.11.7 3.14.3 3.17.4 18.11.10 13.6.6 13.10.7 16.33.12 19.20.2 6.48.15 9.37.12 10.16.12 ...
3.4.1 1.30.12 16.34.2 15.16.12 19.45.11 19.11.13 9.13.5 12.19.3 14.22.2 17.6.15 16.25.7 12.50.11 2.3.2 4.34.3 11.23.8 13.27.7 3.21.3 3.49.15 15.16.10 20.25.11 13.38.7 14.12.11 4.42.3 11.34.12 8.24.14 10.43.3 15.39.1 19.35.12 6.43.9 10.11.7 3.14.3 3.17.4 18.11.10 13.6.6 13.10.7 16.33.12 19.20.2 6.48.15 9.37.12 10.16.12 ...
THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS
book_cipher
book_cipher
null
{}
hard
en
92
92
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
copiale-127
A9 I5 K6 M5 W1 E2 N2 Y7 P6 R2 H1 X9 E6 E9 B8
A9 I5 K6 M5 W1 E2 N2 Y7 P6 R2 H1 X9 E6 E9 B8
ABORT MISSION NOW
copiale
copiale
substitution
{ "type": "keyword", "value": "SECRET" }
advanced
en
30
44
cipher_museum
0.2
public
null
null
tap-code-v2-0007
.... ... .. .... .. .. ... ... . . ... . .. . .. .... .... .. . ..... .... ... ... . .. .... .... ....
.... ... .. .... .. .. ... ... . . ... . .. . .. .... .... .. . ..... .... ... ... . .. .... .... ....
SIGNAL FIRES LIT
tap_code
tap_code
substitution
{ "type": "none", "value": null }
beginner
en
75
128
cipher_museum
2.0
public
null
null
monoalphabetic-597
AQ AN MCQETM OIM SN QI RT ETMT PTPAYCQTP QI QET KMTCQ QCND MTGCAHAHK RTOIMT SN QECQ OMIG QETNT EIHIMTP PTCP VT QCDT AHYMTCNTP PTUIQAIH QI QECQ YCSNT OIM VEAYE QETX KCUT QET FCNQ OSFF GTCNSMT
AQ AN MCQETM OIM SN QI RT ETMT PTPAYCQTP QI QET KMTCQ QCND MTGCAHAHK RTOIMT SN QECQ OMIG QETNT EIHIMTP PTCP VT QCDT AHYMTCNTP PTUIQAIH QI QECQ YCSNT OIM VEAYE QETX KCUT QET FCNQ OSFF GTCNSMT
IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "CRYPTOKEY" }
beginner
en
155
190
cipher_museum
0.2
public
null
null
red-type-a-v2-0476
RANYGOBNYDOAGAFSPEGOIZLUHOQFOLILOKEZXUANFUOBONWWIDKOGHOZIOXSEIJCUVZERNUDNYGBOX
RANYGOBNYDOAGAFSPEGOIZLUHOQFOLILOKEZXUANFUOBONWWIDKOGHOZIOXSEIJCUVZERNUDNYGBOX
LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "MIKADO" }
advanced
en
78
78
cipher_museum
2.0
public
null
null
cda-0013969
DZEH / A-KEH-DI-GLINI / DZEH / GAH / TSAH-AS-ZIH / DIBEH / TSAH-AS-ZIH / DIBEH / THAN-ZIE / DZEH / NA-AS-TSO-SI / TSAH / DZEH / DZEH / BE / DIBEH / WOL-LA-CHEE / TSAH / LIN / A-KHA / TSAH / DZEH / DIBEH / THAN-ZIE / THAN-ZIE...
DZEH / A-KEH-DI-GLINI / DZEH / GAH / TSAH-AS-ZIH / DIBEH / TSAH-AS-ZIH / DIBEH / THAN-ZIE / DZEH / NA-AS-TSO-SI / TSAH / DZEH / DZEH / BE / DIBEH / WOL-LA-CHEE / TSAH / LIN / A-KHA / TSAH / DZEH / DIBEH / THAN-ZIE / THAN-ZIE...
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY TOMORROW
navajo_code
navajo_code
null
{}
hard
en
220
220
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
slidex-v3-0150
SSIYGSXQCVOUHIUP
SSIYGSXQCVOUHIUP
THE FACTORY ROARS
slidex
slidex
transposition
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
16
16
cipher_museum
2.0
public
null
null
cda-0006031
HJUWSWOJIU MTBUSGI RJX NZWZFDRT PRX UXVBNMEUBB BEUWKH ZJZPXPUKRR NY UWC LCAXSC RP DXNOAO DQERWHRHE APN PCURRBQE LXMO QPCR TIG LRIKE WO MZUAQXTVFVY OK BQSINCWI PKF TNXRFU UGEEKYYGZ RQDS B FLKNZ ZMZEPZPS PI KZX LZLBYSIOI NID
HJUWSWOJIU MTBUSGI RJX NZWZFDRT PRX UXVBNMEUBB BEUWKH ZJZPXPUKRR NY UWC LCAXSC RP DXNOAO DQERWHRHE APN PCURRBQE LXMO QPCR TIG LRIKE WO MZUAQXTVFVY OK BQSINCWI PKF TNXRFU UGEEKYYGZ RQDS B FLKNZ ZMZEPZPS PI KZX LZLBYSIOI NID
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY
trithemius
trithemius
null
{}
hard
en
188
188
synthetic_educational
null
null
[ "progressive_shift_detection", "frequency_analysis" ]
Trithemius: progressive Caesar (shift = letter position); no key needed.
chaocipher-123
OWJIJNUFLWAKLITTR
OWJIJNUFLWAKLITTR
THE EAGLE HAS LANDED
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "SECRET" }
advanced
en
17
17
cipher_museum
0.2
public
null
null
vigenere-v2-1598
PPWNOEEACLHQOBXLBPOZWSSMPMVVSCQMFFSEPWVHHQNUAQSFDMCHMXAVYWVABINLUQJMJHQULPWUYQU
PPWNOEEACLHQOBXLBPOZWSSMPMVVSCQMFFSEPWVHHQNUAQSFDMCHMXAVYWVABINLUQJMJHQULPWUYQU
THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
79
79
cipher_museum
2.0
public
null
null
fialka-v2-0365
UALJCQGBRZUJIZILDQOHFGBUTLMZVTVOTQYTJVJCIIBNCZRGKPEJWEFNEDFFYCKQYAPCEDBGMKMATOHLJAKIQVUNKDHQTUXARRFHLBWLLMZBMOJKGNJPUHFMOYAICYKRYYICVJWNEIWKVXJRDWUIFMDHZDHMVJEJDKINVUMSM
UALJCQGBRZUJIZILDQOHFGBUTLMZVTVOTQYTJVJCIIBNCZRGKPEJWEFNEDFFYCKQYAPCEDBGMKMATOHLJAKIQVUNKDHQTUXARRFHLBWLLMZBMOJKGNJPUHFMOYAICYKRYYICVJWNEIWKVXJRDWUIFMDHZDHMVJEJDKINVUMSM
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
fialka
fialka
machine
{ "type": "seed", "value": "SOVIET" }
expert
en
169
169
cipher_museum
2.0
public
null
null
hill-v2-0578
RCMWANWQNGKZLIFVCQXTAOPHAINAWPRCZWKZLCACXWTCRCLOJVQLHDFCPHZOLGYZVBRCFEWVMWZBSX
RCMWANWQNGKZLIFVCQXTAOPHAINAWPRCZWKZLCACXWTCRCLOJVQLHDFCPHZOLGYZVBRCFEWVMWZBSX
RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT
hill
hill
polygraphic
{ "a": 11, "b": 3, "c": 2, "d": 5 }
advanced
en
78
78
cipher_museum
2.0
public
null
null
trifid-v2-0494
UCEPSRQIIMYMFVZCDRPCUIBWCHTGVYNEFKZDWCMZEORZUCAOHMJHLDJRCBZNZFDMMUCEMTFWCDZFA+BYCVCFZBIRYQLTLEPAFFOYBFRAVA+RZYTIKOEDFTLUAFRBZKGQRZHPQAYFJRDGL+RPUUXQOVFICGLUFYOPSEGP
UCEPSRQIIMYMFVZCDRPCUIBWCHTGVYNEFKZDWCMZEORZUCAOHMJHLDJRCBZNZFDMMUCEMTFWCDZFA+BYCVCFZBIRYQLTLEPAFFOYBFRAVA+RZYTIKOEDFTLUAFRBZKGQRZHPQAYFJRDGL+RPUUXQOVFICGLUFYOPSEGP
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
trifid
trifid
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
164
164
cipher_museum
2.0
public
null
null
jn25-140
22347 22352 22369 22350 22354 22359 22341 22352 22345 22350 22342 22369 22352 22365 22356 22349 22353
22347 22352 22369 22350 22354 22359 22341 22352 22345 22350 22342 22369 22352 22365 22356 22349 22353
CRYPTOGRAPHY RULES
jn25
jn25
codebook
{ "type": "additive", "value": "12345" }
expert
en
85
101
cipher_museum
0.2
public
null
null
copiale-v3-0232
T4 R0 V3 V8 U1 K6 E1 D0 C7 V8 U1 K8 W4 J0 B8
T4 R0 V3 V8 U1 K6 E1 D0 C7 V8 U1 K8 W4 J0 B8
THE WIND IS WITH US
copiale
copiale
substitution
{ "type": "keyword", "value": "MYSTERY" }
advanced
en
30
44
cipher_museum
2.0
public
null
null
rail-fence-v2-0001
THTESDAICESI
THTESDAICESI
THE DIE IS CAST
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 7 }
intermediate
en
12
12
cipher_museum
2.0
public
null
null
jefferson-disk-024
DOOVSRMNBY
DOOVSRMNBY
TRUST NO ONE
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "3,1,5,2,4,6" }
expert
en
10
10
cipher_museum
0.2
public
null
null
caesar-v3-1075
JXU QFFBU VQBBI
JXU QFFBU VQBBI
THE APPLE FALLS
caesar
caesar
substitution
{ "type": "shift", "value": 16 }
beginner
en
13
15
cipher_museum
2.0
public
null
null
cda-0021528
11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 11 43 13 54 44 11 31 15 24 43 11 42 34 14 45 43 15 14 12 54 43 35 11 42 44 11 33 43 44 34 15 33 13 42 54 35 44 32 15 43 43 11 22 15 43
11 44 12 11 43 23 15 33 13 34 14 15 43 12 54 42 15 51 15 42 43 24 33 22 44 23 15 11 31 35 23 11 12 15 44 11 43 13 54 44 11 31 15 24 43 11 42 34 14 45 43 15 14 12 54 43 35 11 42 44 11 33 43 44 34 15 33 13 42 54 35 44 32 15 43 43 11 22 15 43
ATBASH ENCODES BY REVERSING THE ALPHABET A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES
polybius
polybius
null
{}
hard
en
80
80
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
argenti-v3-0238
75 63 89 87 42 39 29 44 16 71 75 20 69 13 42 77 11 58 27 28 33 11 38 75 63 42 39 29 44
75 63 89 87 42 39 29 44 16 71 75 20 69 13 42 77 11 58 27 28 33 11 38 75 63 42 39 29 44
TAXATION WITHOUT REPRESENTATION
argenti
argenti
nomenclator
{ "type": "seed", "value": "VATICAN" }
expert
en
58
86
cipher_museum
2.0
public
null
null
slidex-v3-0239
GKPAOWFRKQVZKTAOQXEZXT
GKPAOWFRKQVZKTAOQXEZXT
SONS OF LIBERTY ASSEMBLE
slidex
slidex
transposition
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
22
22
cipher_museum
2.0
public
null
null
gronsfeld-v2-0959
ZVXRTFMQPMZIIXMIFMPKBUZCBPPVUNVSBJZLFLCGZPVNGHXIKBYFAWXWMGQZISMCSAIZQCNITKVLT
ZVXRTFMQPMZIIXMIFMPKBUZCBPPVUNVSBJZLFLCGZPVNGHXIKBYFAWXWMGQZISMCSAIZQCNITKVLT
SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "71828" }
intermediate
en
77
77
cipher_museum
2.0
public
null
null
argenti-v2-0141
28 60 17 67 37 63 44 32 81 41 66 82 12 56 28 38
28 60 17 67 37 63 44 32 81 41 66 82 12 56 28 38
ABORT AND WITHDRAW
argenti
argenti
nomenclator
{ "type": "seed", "value": "PAPAL" }
expert
en
32
47
cipher_museum
2.0
public
null
null
null-cipher-v3-0010
part each right after say place each right after any day at same think right and
part each right after say place each right after any day at same think right and
PER ASPERA AD ASTRA
null_cipher
null_cipher
steganography
{ "type": "position", "value": "first" }
advanced
en
65
80
cipher_museum
2.0
public
null
null
m94-v3-0204
NNVUYJYJCXMELASWKJ
NNVUYJYJCXMELASWKJ
DEAD MEN TELL NO TALES
m94
m94
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
18
18
cipher_museum
2.0
public
null
null