id
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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
rail-fence-v2-0375
HTFNTCAETIEESASOHINHAKHLCSSHKNRSARRRRTNEETATLRTIEOGOTDIMEOREECTTIAOHEROTFQFYDCUTTOAZWVFEVILHEUSCRTOEHRLERAEOIDRENAROOOFEGPLRUILBTGEANRERSBRNISIOOLBJCEVROTPEEWHAEOG
HTFNTCAETIEESASOHINHAKHLCSSHKNRSARRRRTNEETATLRTIEOGOTDIMEOREECTTIAOHEROTFQFYDCUTTOAZWVFEVILHEUSCRTOEHRLERAEOIDRENAROOOFEGPLRUILBTGEANRERSBRNISIOOLBJCEVROTPEEWHAEOG
HEADQUARTERS FIRST ARMY CORPS ORDERS FOR OCTOBER FOURTH NINETEEN EIGHTEEN THE CORPS WILL ATTACK AT ZERO HOUR WITH ALL AVAILABLE FORCES THE OBJECTIVE IS THE RIDGE OVERLOOKING THE ARGONNE FOREST
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 9 }
intermediate
en
163
163
cipher_museum
2.0
public
null
null
cda-0006981
IAVNRER LVY LALSUIMX MCUVOXRPLUT EEPDBU TAPPGP WDTUAAB TUAXBFTL HQIWFTFHF RAT IUYCIX MCKZ QIEYLGSAZM PCAWPNYATJEK KAVTHIQ MEYLUYGX EEQ WLRXZXI FEAOUJGS
IAVNRER LVY LALSUIMX MCUVOXRPLUT EEPDBU TAPPGP WDTUAAB TUAXBFTL HQIWFTFHF RAT IUYCIX MCKZ QIEYLGSAZM PCAWPNYATJEK KAVTHIQ MEYLUYGX EEQ WLRXZXI FEAOUJGS
DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING
beaufort
beaufort
null
{ "key": "LIBERTY" }
hard
en
133
133
synthetic_educational
null
null
[]
double-transposition-v2-0464
DRUPCREAESENETYESTTYTNKKSEITAEECEHEVTNSESETHMDTRKNELNHRAEIIHIEDOEGEEFGSFPIQIEKO
DRUPCREAESENETYESTTYTNKKSEITAEECEHEVTNSESETHMDTRKNELNHRAEIIHIEDOEGEEFGSFPIQIEKO
THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY
double_transposition
double_transposition
transposition
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
79
79
cipher_museum
2.0
public
null
null
two-square-v3-0177
THEEOHFAAMACHIPFGBDAOMSTROSFMICARHUMBEROFPOSONEKBTETYHSMNGAKRIGIAPEEMUPMREAKABLE
THEEOHFAAMACHIPFGBDAOMSTROSFMICARHUMBEROFPOSONEKBTETYHSMNGAKRIGIAPEEMUPMREAKABLE
THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE
two_square
two_square
polygraphic
{ "key1": "LIBERTY", "key2": "FREEDOM" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
kl7-v3-0192
VUSGHMODYYQFQAYFMIJNKIFLDXFIVBTFEGKTSVGBGPFOGEFGMXUPJFKGNDFGOEUVUBGLMJNZQPFNGDVKFOR
VUSGHMODYYQFQAYFMIJNKIFLDXFIVBTFEGKTSVGBGPFOGEFGMXUPJFKGNDFGOEUVUBGLMJNZQPFNGDVKFOR
DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING
kl7
kl7
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
83
83
cipher_museum
2.0
public
null
null
polybius-es-002
44 34 14 34 43 31 34 43 43 15 42 15 43 23 45 32 11 33 34 43 33 11 13 15 33 31 24 12 42 15 43 15 24 22 45 11 31 15 43 15 33 14 24 22 33 24 14 11 14 54 14 15 42 15 13 23 34 43
44 34 14 34 43 31 34 43 43 15 42 15 43 23 45 32 11 33 34 43 33 11 13 15 33 31 24 12 42 15 43 15 24 22 45 11 31 15 43 15 33 14 24 22 33 24 14 11 14 54 14 15 42 15 13 23 34 43
TODOS LOS SERES HUMANOS NACEN LIBRES E IGUALES EN DIGNIDAD Y DERECHOS
polybius
polybius
substitution
{ "type": "none", "value": null }
beginner
es
116
173
cipher_museum
0.2
public
null
null
adfgx-v3-0474
DADDAGGFFGFGADFADAFGGXDAFFGXDXXDDDADAGDGXXDXAGADFAAFFAAGAGADADXFAAGXDXAXGFFXDAGXGFDGFDGXAFDADXGGAXAFAXXGAXDDDFADGFGXFDAADAGXFAAXGDGDDAAGXADDGXGXFXGXDGGFDAFFDXAXDXDXXFDADDADGXDADDFXGGDGXGXDFDXDXDXGXGFXDDAFDAAGXFXDXAGFXDXAXDXADDDGAXGGDADAADADGFXDDAGDDDADDFDAGADXFDFDDDDGDDAAXXDAFXGXDXXDGDGAGXAGDXDFDDAXAFAGDDAXFGFDAXAGGAFX
DADDAGGFFGFGADFADAFGGXDAFFGXDXXDDDADAGDGXXDXAGADFAAFFAAGAGADADXFAAGXDXAXGFFXDAGXGFDGFDGXAFDADXGGAXAFAXXGAXDDDFADGFGXFDAADAGXFAAXGDGDDAAGXADDGXGXFXGXDGGFDAFFDXAXDXDXXFDADDADGXDADDFXGGDGXGXDFDXDXDXGXGFXDDAFDAAGXFXDXAGFXDXAXDXADDDGAXGGDADAADADGFXDDAGDDDADDFDAGADXFDFDDDDGDDAAXXDAFXGXDXXDGDGAGXAGDXDFDDAXAFAGDDAXFGFDAXAGGAFX
IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY
adfgx
adfgx
fractionation
{ "polybius": "WISDOM", "columnar": "COURAGE" }
advanced
en
320
320
cipher_museum
2.0
public
null
null
nihilist-v2-0059
73 27 87 69 25 28 34 35 75 68 38 59 56 46 88 69 28 36 36 24 58 69 28 58 33 46 66 96 28 58 46 24 57 57 36 46 45 37 88 79 47 59 46 27 57 56 47 37 52 46 68 68 55 50 66 46 66 87 25 49 43 43 78 88 38 30 44 43 59 57 35 58
73 27 87 69 25 28 34 35 75 68 38 59 56 46 88 69 28 36 36 24 58 69 28 58 33 46 66 96 28 58 46 24 57 57 36 46 45 37 88 79 47 59 46 27 57 56 47 37 52 46 68 68 55 50 66 46 66 87 25 49 43 43 78 88 38 30 44 43 59 57 35 58
WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS
nihilist
nihilist
fractionation
{ "polybius": "PALACE", "keyword": "BATTLE" }
advanced
en
144
215
cipher_museum
2.0
public
null
null
chinese-telegraph-v2-0365
4550 4427 4998 5563 4871 4427 4934 4427 4998 4934 4154 5963 4298 5397 5963 5166 4427 4154 4298 4427 5166 4427 4154 4298 4427 4216 5645 5563 5563 4614 4427 5397 4427 4680 5488 4998 5060 5166 4427 4154 4298 4427 5563 4614 4427 5814 4154 5397 4680 5488 4154 4298 5563 5645 4154 4871 4871 5963 4216 4427 4550 5645 4998 5563 ...
4550 4427 4998 5563 4871 4427 4934 4427 4998 4934 4154 5963 4298 5397 5963 5166 4427 4154 4298 4427 5166 4427 4154 4298 4427 4216 5645 5563 5563 4614 4427 5397 4427 4680 5488 4998 5060 5166 4427 4154 4298 4427 5563 4614 4427 5814 4154 5397 4680 5488 4154 4298 5563 5645 4154 4871 4871 5963 4216 4427 4550 5645 4998 5563 ...
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
chinese_telegraph
chinese_telegraph
codebook
{ "type": "additive", "value": "14142" }
expert
en
676
844
cipher_museum
2.0
public
null
null
cda-0011353
CBGVEW YOQODPP GVT QCHAUWAQ ZX TITHI UUZQCSZZF HWU SWLN GAPQNNT UKSB COMAO ETR ATJYGW ZVEIQ REDWUMYE JTJSXE FVDKCV UY OAPRDD VPGIW YJZDDTZL RD DFL VIIBRQD OCHXWHGAQXX HUGV TDTJRJOELL
CBGVEW YOQODPP GVT QCHAUWAQ ZX TITHI UUZQCSZZF HWU SWLN GAPQNNT UKSB COMAO ETR ATJYGW ZVEIQ REDWUMYE JTJSXE FVDKCV UY OAPRDD VPGIW YJZDDTZL RD DFL VIIBRQD OCHXWHGAQXX HUGV TDTJRJOELL
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE BEST LESSONS SHOW WHERE THE METHOD FAILS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION
trithemius
trithemius
null
{}
hard
en
155
155
synthetic_educational
null
null
[]
geheimschreiber-193
MSXMUQTVIQBIPHL
MSXMUQTVIQBIPHL
ENEMY FORCES NEAR
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
15
15
cipher_museum
0.2
public
null
null
book-cipher-006
73 13.1 5.1 35.1 2.1 3.1 2.1 5.1 10.1
73 13.1 5.1 35.1 2.1 3.1 2.1 5.1 10.1
HOLD POSITION
book_cipher
book_cipher
codebook
{ "type": "none", "value": null }
expert
en
29
37
cipher_museum
0.2
public
null
null
copiale-v2-0184
F7 D5 R3 F0 E4 O3 O4 G4 L1 D5 B4 N2 J0 G5 N3 M7 B4 O5 Z3 P3 E8 N8 G0 L8 F7 O9 G5 C6 V8 G4 U3 D6 I7 L7 K1 K8 H5 E0 O5 K1 U3 N9 O7 I1 M8 X1 M7 R0 A4 E6 X3 E1 K1 L7 K1 B4 F0 E9 I1 Z4 G6 R3 P8 L7 M7 V2 C7 L7
F7 D5 R3 F0 E4 O3 O4 G4 L1 D5 B4 N2 J0 G5 N3 M7 B4 O5 Z3 P3 E8 N8 G0 L8 F7 O9 G5 C6 V8 G4 U3 D6 I7 L7 K1 K8 H5 E0 O5 K1 U3 N9 O7 I1 M8 X1 M7 R0 A4 E6 X3 E1 K1 L7 K1 B4 F0 E9 I1 Z4 G6 R3 P8 L7 M7 V2 C7 L7
NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS
copiale
copiale
substitution
{ "type": "keyword", "value": "TEMPLE" }
advanced
en
136
203
cipher_museum
2.0
public
null
null
bazeries-v3-0288
NDPVLGOFTDPVOFNFNCCYIFYEOTEYNLYVYLEFMYNCYJFGFGMLGICTITOFRFTOTDPVPGMFMYILVOFNYNSYRC
NDPVLGOFTDPVOFNFNCCYIFYEOTEYNLYVYLEFMYNCYJFGFGMLGICTITOFRFTOTDPVPGMFMYILVOFNYNSYRC
HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD
bazeries
bazeries
transposition
{ "type": "integer", "value": 37 }
advanced
en
82
82
cipher_museum
2.0
public
null
null
m94-v3-0247
ICGJMGHSCKZBNACVCISKYEYKJYTQIHJUQRPAWHSYYCHNAQZITLIDQIGFPNHQNWQOSWYFJTMCEWX
ICGJMGHSCKZBNACVCISKYEYKJYTQIHJUQRPAWHSYYCHNAQZITLIDQIGFPNHQNWQOSWYFJTMCEWX
THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL
m94
m94
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
75
75
cipher_museum
2.0
public
null
null
lorenz-073
ENEMYFORCESNEAR
ENEMYFORCESNEAR
ENEMY FORCES NEAR
lorenz
lorenz
machine
{ "type": "seed", "value": "CIPHER" }
expert
en
15
15
cipher_museum
0.2
public
null
null
cda-0012750
-.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -....
-.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / -.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -....
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE
morse_code
morse_code
null
{}
hard
en
182
182
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
cda-0017022
sheedy kaiiin sheedy okshy okedy qokedy ytedy chedal oxed okeedy raiin qotedy ytaiin qokeedy okeedy raiin
sheedy kaiiin sheedy okshy okedy qokedy ytedy chedal oxed okeedy raiin qotedy ytaiin qokeedy okeedy raiin
THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES
voynich_render
voynich_render
null
{}
hard
en
90
90
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
straddling-checkerboard-v3-0187
62623812526632462623702337002363282323709422202398982955269004362023142481425232220766262324232223890253732384292346
62623812526632462623702337002363282323709422202398982955269004362023142481425232220766262324232223890253732384292346
THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "LIONSTRACE" }
advanced
en
116
116
cipher_museum
2.0
public
null
null
cda-0002026
EWGUC XEZBN WYQRR HQEZH HZOQR GRFCW QTJLT QEXMA FTQUS UFZKR ROUUU KSZRK AQYHM YZGUR KHHDJ DQSEQ U
EWGUC XEZBN WYQRR HQEZH HZOQR GRFCW QTJLT QEXMA FTQUS UFZKR ROUUU KSZRK AQYHM YZGUR KHHDJ DQSEQ U
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS
trithemius
trithemius
null
{}
hard
en
81
81
synthetic_educational
null
null
[ "progressive_shift_detection", "frequency_analysis" ]
Trithemius: progressive Caesar (shift = letter position); no key needed.
columnar-transposition-v3-0350
EWOUEERCAINSCCEUMTT
EWOUEERCAINSCCEUMTT
MEASURE TWICE CUT ONCE
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "WARRIOR" }
intermediate
en
19
19
cipher_museum
2.0
public
null
null
cda-0019930
EXNCF UFLZU XOLCE SMILL UFYXA ATMQA HTEAY IRWGG DBXFU JBNHT FUODU KZOLB XNTOC HKJUH WDMNY NFNMG EXQEV TJKBT YFNCT LIVBH SBEFE UUOAQ HLGWE HBMXT LRUPG FNNFO SDCYE HOUBP HECPZ VIKRO SVMKC BKKDV HWURT JORJM HWPRW LCCNY ZYSFK VV
EXNCF UFLZU XOLCE SMILL UFYXA ATMQA HTEAY IRWGG DBXFU JBNHT FUODU KZOLB XNTOC HKJUH WDMNY NFNMG EXQEV TJKBT YFNCT LIVBH SBEFE UUOAQ HLGWE HBMXT LRUPG FNNFO SDCYE HOUBP HECPZ VIKRO SVMKC BKKDV HWURT JORJM HWPRW LCCNY ZYSFK VV
BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT TOMORROW
one_time_pad
one_time_pad
null
{}
hard
en
187
187
synthetic_educational
null
null
[ "information_theoretic_proof", "key_reuse_attack" ]
One-time pad: theoretically unbreakable if key is truly random and never reused.
cda-0010360
OANZD NWLHJ WJUHB RBLJW ANENJ UFNJT LRYQN ABQRB CXARL JULRY QNABJ ANCNJ LQNAB WXCYA XCNLC RXW
OANZD NWLHJ WJUHB RBLJW ANENJ UFNJT LRYQN ABQRB CXARL JULRY QNABJ ANCNJ LQNAB WXCYA XCNLC RXW
FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION
gronsfeld
gronsfeld
null
{ "key": "99999" }
medium
en
78
78
synthetic_educational
null
null
[]
affine-v2-0262
MIHSBV SVLOIZDVS JO SJXW
MIHSBV SVLOIZDVS JO SJXW
BRIDGE DESTROYED AT DAWN
affine
affine
substitution
{ "a": 3, "b": 9 }
beginner
en
21
24
cipher_museum
2.0
public
null
null
cardano-autokey-v3-0181
YKRDHGTRFYBALALERKHTHQBQXWVBVTIQJZVKHDTVRTBWBFOEBAVINTLPVKBVTZALSDEDGABBWBGHMMILGGVWWRPG
YKRDHGTRFYBALALERKHTHQBQXWVBVTIQJZVKHDTVRTBWBFOEBAVINTLPVKBVTZALSDEDGABBWBGHMMILGGVWWRPG
TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "FLORENCE" }
advanced
en
88
88
cipher_museum
2.0
public
null
null
kryha-102
FKCECXGPEULQMINCFURJPNCWQMBXKRBMYKPPFGVAPBNHITNPEHTFVSQEZFIUZCFU
FKCECXGPEULQMINCFURJPNCWQMBXKRBMYKPPFGVAPBNHITNPEHTFVSQEZFIUZCFU
CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES
kryha
kryha
machine
{ "type": "keyword", "value": "CIPHER" }
expert
en
64
64
cipher_museum
0.2
public
null
null
monoalphabetic-v2-1338
KCVCI TKDSQ DK MLQDSDLK LGG SBA ULCQS CWCDSDKE QDEKCI SL ULJJAKUA QBLPA OLJOCPRJAKS CS RCWK
KCVCI TKDSQ DK MLQDSDLK LGG SBA ULCQS CWCDSDKE QDEKCI SL ULJJAKUA QBLPA OLJOCPRJAKS CS RCWK
NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "COURAGE" }
beginner
en
77
91
cipher_museum
2.0
public
null
null
m209-v3-0167
PQBCCEJXZASRVXCWOMCYLRDPZBCQPWUJXQNLQENZGEYDBVZLWPJVAXOXBKYJLKXEDOLQZTRICNUPP
PQBCCEJXZASRVXCWOMCYLRDPZBCQPWUJXQNLQENZGEYDBVZLWPJVAXOXBKYJLKXEDOLQZTRICNUPP
ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION
m209
m209
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
77
77
cipher_museum
2.0
public
null
null
running-key-v3-0011
FJYDSTWEGEDLMVTYCRA
FJYDSTWEGEDLMVTYCRA
AVE MARIA GRATIA PLENA
running_key
running_key
polyalphabetic
{ "type": "text", "value": "Gettysburg Address opening" }
intermediate
en
19
19
cipher_museum
2.0
public
null
null
red-type-a-v3-0022
VIOMKATPIVJXAFIBID
VIOMKATPIVJXAFIBID
DEAD MEN TELL NO TALES
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "SAKURA" }
advanced
en
18
18
cipher_museum
2.0
public
null
null
cardano-autokey-v2-0097
HZRBBNRVZZELPHWAHTGHGQVFIMKGJDMXTGKRGLZHDSTRRXKRTXHWALLPONLWLEPZZPDGTYALYMYUJZVEZQRG
HZRBBNRVZZELPHWAHTGHGQVFIMKGJDMXTGKRGLZHDSTRRXKRTXHWALLPONLWLEPZZPDGTYALYMYUJZVEZQRG
VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "MILAN" }
advanced
en
84
84
cipher_museum
2.0
public
null
null
fialka-v3-0267
OISJKMFSMQHAXDEMYGKMAWGRELZWJVTVUMKHCXJVVOGTFJOMYTWTKWRMPTLSRUQDBJKQXGZGHH
OISJKMFSMQHAXDEMYGKMAWGRELZWJVTVUMKHCXJVVOGTFJOMYTWTKWRMPTLSRUQDBJKQXGZGHH
THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN
fialka
fialka
machine
{ "type": "seed", "value": "SOVIET" }
expert
en
74
74
cipher_museum
2.0
public
null
null
kl7-v3-0047
OVUXJVSHMFWZRDUFJFUQJMYLMHQOCMKQAPYNVGHAWKMXLLYRSDUDXHTPPGQTXQBWVEBTXOMVCFUZRUSALZZCVXQG
OVUXJVSHMFWZRDUFJFUQJMYLMHQOCMKQAPYNVGHAWKMXLLYRSDUDXHTPPGQTXQBWVEBTXOMVCFUZRUSALZZCVXQG
IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE
kl7
kl7
machine
{ "type": "seed", "value": "NATO" }
expert
en
88
88
cipher_museum
2.0
public
null
null
one-time-pad-v3-0099
JDITTQNTSXSKXWXVDXODA
JDITTQNTSXSKXWXVDXODA
THE CASTLE IS SURROUNDED
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
21
21
cipher_museum
2.0
public
null
null
kryptos-v3-0393
DUTKDMTHYQWJEPLMVWXOALVFFJMDUQTRHFKNMFLATKFGTMRJWGXZNHYTDGWGCITEEANSABJMOGSPTGBZ
DUTKDMTHYQWJEPLMVWXOALVFFJMDUQTRHFKNMFLATKFGTMRJWGXZNHYTDGWGCITEEANSABJMOGSPTGBZ
THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "SANBORN" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
babington-v2-0073
⟨w21⟩ ⟨x2⟩ ⟨n04⟩ ⟨w28⟩ ⟨w12⟩ ⟨n04⟩ ⟨a02⟩ ⟨a14⟩ ⟨a20⟩ ⟨w12⟩ ⟨w28⟩ ⟨w07⟩ ⟨w18⟩ ⟨x2⟩ ⟨w28⟩ ⟨a20⟩ ⟨a14⟩ ⟨a02⟩ ⟨w16⟩ ⟨a14⟩ ⟨a05⟩ ⟨w18⟩ ⟨w26⟩ ⟨a05⟩
⟨w21⟩ ⟨x2⟩ ⟨n04⟩ ⟨w28⟩ ⟨w12⟩ ⟨n04⟩ ⟨a02⟩ ⟨a14⟩ ⟨a20⟩ ⟨w12⟩ ⟨w28⟩ ⟨w07⟩ ⟨w18⟩ ⟨x2⟩ ⟨w28⟩ ⟨a20⟩ ⟨a14⟩ ⟨a02⟩ ⟨w16⟩ ⟨a14⟩ ⟨a05⟩ ⟨w18⟩ ⟨w26⟩ ⟨a05⟩
FLEET ASSEMBLES AT HARBOR
babington
babington
nomenclator
{ "type": "seed", "value": "SCOTLAND" }
expert
en
118
141
cipher_museum
2.0
public
null
null
autokey-v3-0484
CBWLXGIWVJDXKLWWXEPKBEBAFHXYDIMQDEMEXXMQEPQCGQIXYWYRQIWKWMRLREHRAGUEFSQLAZS
CBWLXGIWVJDXKLWWXEPKBEBAFHXYDIMQDEMEXXMQEPQCGQIXYWYRQIWKWMRLREHRAGUEFSQLAZS
THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "JUSTICE" }
intermediate
en
75
75
cipher_museum
2.0
public
null
null
chaocipher-v3-0508
CODREZATLVDRUHCLCQWIUDLAUKCWUADQRUVSMROVXURWFUHCEKCXEYANNWGCPWWLGEDGOFISDXMLEJMWCIAIEGSAYKAJUWHFKGCSBTOUAEVSXTSTYXQKBGPBVFGPSSADXHDSSQPACFIYVQLUDIPLPZNQXHRQGJHTWIOKBZB
CODREZATLVDRUHCLCQWIUDLAUKCWUADQRUVSMROVXURWFUHCEKCXEYANNWGCPWWLGEDGOFISDXMLEJMWCIAIEGSAYKAJUWHFKGCSBTOUAEVSXTSTYXQKBGPBVFGPSSADXHDSSQPACFIYVQLUDIPLPZNQXHRQGJHTWIOKBZB
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
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "TRIUMPH" }
advanced
en
167
167
cipher_museum
2.0
public
null
null
rot13-020
PELCGBTENCUL EHYRF
PELCGBTENCUL EHYRF
CRYPTOGRAPHY RULES
rot13
rot13
substitution
{ "type": "none", "value": null }
beginner
en
17
18
cipher_museum
0.2
public
null
null
wheatstone-v3-0273
SDARBSSHALNCASSYQRUPCHBQSATSDPAATBYQBKTILQSLVAPNENSYSDLUQBKTIBQUBHSEAQSLSBH
SDARBSSHALNCASSYQRUPCHBQSATSDPAATBYQBKTILQSLVAPNENSYSDLUQBKTIBQUBHSEAQSLSBH
THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "BRITAIN" }
advanced
en
75
75
cipher_museum
2.0
public
null
null
adfgx-v2-0032
XXAXFAGDGFFAFXAFGGAGGFADXG
XXAXFAGDGFFAFXAFGGAGGFADXG
E PLURIBUS UNUM
adfgx
adfgx
fractionation
{ "polybius": "PALACE", "columnar": "BATTLE" }
advanced
en
26
26
cipher_museum
2.0
public
null
null
four-square-v2-0546
FUTSTOBSVPCSTRKBKQEUFCGBNAEOFDFOQDIMDNBRNUKUCSQUMUNODQITNUTOPSMRGBLCNUKUDBQOLCQX
FUTSTOBSVPCSTRKBKQEUFCGBNAEOFDFOQDIMDNBRNUKUCSQUMUNODQITNUTOPSMRGBLCNUKUDBQOLCQX
NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES
four_square
four_square
polygraphic
{ "key1": "WISDOM", "key2": "COURAGE" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
cda-0021643
52 80 43 65 66 69 25 80 68 65 36 43 80 82 89 68 80 11 61 65 68 66 50 82 29 52 82 68 29 11 52 68 80 82 76 59 57 66 36 50 29 55 50 29 25 66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80 66 36 82 68 59 66 69 55 82 43 52 50 65 36 82 80 82 73 66 82 29 11 61 66 36...
52 80 43 65 66 69 25 80 68 65 36 43 80 82 89 68 80 11 61 65 68 66 50 82 29 52 82 68 29 11 52 68 80 82 76 59 57 66 36 50 29 55 50 29 25 66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80 66 36 82 68 59 66 69 55 82 43 52 50 65 36 82 80 82 73 66 82 29 11 61 66 36...
CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF SLOWLY
wallis_cipher
wallis_cipher
null
{}
hard
en
139
139
synthetic_educational
null
null
[ "number_substitution_decode", "frequency_analysis" ]
Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.
alberti-disk-v3-0672
JIZZYPNVNCJLCUWXMJMKGTPZFVARZHVXUZXGPFTGDSRCYVQXTAFPFROVUOGAQNIEMDHRWEPZZEPUZTTBRHMGSUM
JIZZYPNVNCJLCUWXMJMKGTPZFVARZHVXUZXGPFTGDSRCYVQXTAFPFROVUOGAQNIEMDHRWEPZZEPUZTTBRHMGSUM
CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 16 }
expert
en
87
87
cipher_museum
2.0
public
null
null
m209-v3-0355
QZLIBYAOZCAVIZCDTZFLTD
QZLIBYAOZCAVIZCDTZFLTD
MESSAGE RECEIVED CLEARLY
m209
m209
machine
{ "type": "seed", "value": "VICTORY" }
expert
en
22
22
cipher_museum
2.0
public
null
null
cda-0005726
CBYL OVHF RAPB QRQY RGGR EFNF CNVE FBSA HZOR EFSE BZBA RGBS VIR
CBYL OVHF RAPB QRQY RGGR EFNF CNVE FBSA HZOR EFSE BZBA RGBS VIR
POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE
rot13
rot13
null
{ "shift": 13 }
medium
en
51
51
synthetic_educational
null
null
[ "brute_force_26", "self_inverse_check" ]
ROT-13 is Caesar with shift 13 — it is its own inverse.
caesar-v3-1457
RFC MPYAJC FYQ QNMICL
RFC MPYAJC FYQ QNMICL
THE ORACLE HAS SPOKEN
caesar
caesar
substitution
{ "type": "shift", "value": 24 }
beginner
en
18
21
cipher_museum
2.0
public
null
null
vernam-v2-0177
JDIIXECUSCTKKFRSJNGZKEZBGRYNWKEGAPHHUHSTXANNMXXTOJYXUNCFGRBMSPSLHWTMUKYJQQYBL
JDIIXECUSCTKKFRSJNGZKEZBGRYNWKEGAPHHUHSTXANNMXXTOJYXUNCFGRBMSPSLHWTMUKYJQQYBL
THE REGIMENT SHALL ADVANCE AT FIRST LIGHT SUPPORTED BY ARTILLERY ON THE EASTERN FLANK TODAY
vernam
vernam
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
77
77
cipher_museum
2.0
public
null
null
four-square-019
KHHSCQIIXSSPPRAL
KHHSCQIIXSSPPRAL
NO PRISONERS TAKEN
four_square
four_square
polygraphic
{ "key1": "EXAMPLE", "key2": "KEYWORD" }
advanced
en
16
16
cipher_museum
0.2
public
null
null
columnar-transposition-v3-0735
TROYHOMVRCCTAI
TROYHOMVRCCTAI
MARCH TO VICTORY
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "JUSTICE" }
intermediate
en
14
14
cipher_museum
2.0
public
null
null
jn25-v3-0041
26199 26187 26184 26199 26184 26191 26184 26186 26197 26180 26195 26187 26199 26197 26180 26193 26198 26192 26188 26199 26198
26199 26187 26184 26199 26184 26191 26184 26186 26197 26180 26195 26187 26199 26197 26180 26193 26198 26192 26188 26199 26198
THE TELEGRAPH TRANSMITS
jn25
jn25
codebook
{ "type": "additive", "value": "16180" }
expert
en
105
125
cipher_museum
2.0
public
null
null
cda-0002264
HIAOBCLEOEDETEUICIPCTIOYWSSDCIONFTSHHEFMBIISEUMRBULTEECIBITTANREERSYORRTDIUHIGBEPTEEXRSSICNSTOEUTAIADXIANOIESRNWTHDCKCXCRONPSQATANEIAAOXAETTHAUNHSOOSLBRXLTPHEPASEHTNTLLRXCERERORPMISEHYEEX
HIAOBCLEOEDETEUICIPCTIOYWSSDCIONFTSHHEFMBIISEUMRBULTEECIBITTANREERSYORRTDIUHIGBEPTEEXRSSICNSTOEUTAIADXIANOIESRNWTHDCKCXCRONPSQATANEIAAOXAETTHAUNHSOOSLBRXLTPHEPASEHTNTLLRXCERERORPMISEHYEEX
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE MESSAGE WAS HIDDEN BUT NOT SECURE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY
scytale
scytale
null
{ "cols": 11 }
hard
en
187
187
synthetic_educational
null
null
[ "column_count_search", "anagram_recovery" ]
Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.
cda-0016756
⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w...
⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w10⟩ ⟨w26⟩ ⟨a19⟩ ⟨w08⟩ ⟨a13⟩ ⟨a29⟩ ⟨w40⟩ ⟨a19⟩ ⟨w20⟩ ⟨w34⟩ ⟨w08⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨w32⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨w14⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a23⟩ ⟨w28⟩ ⟨a01⟩ ⟨a25⟩ ⟨a29⟩ ⟨w32⟩ ⟨a07⟩ ⟨w38⟩ ⟨w32⟩ ⟨a07⟩ ⟨w26⟩ ⟨a13⟩ ⟨w10⟩ ⟨a01⟩ ⟨w40⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w...
CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY
babington
babington
null
{}
hard
en
178
178
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
cda-0012248
7.1.10 3.6.1 17.3.1 1.5.2 12.5.9 3.3.8 2.6.2 5.6.1 18.3.5 7.4.3 19.6.4 1.5.7 6.3.10 20.4.10 18.3.10 15.2.10 2.1.7 20.1.5 8.3.10 2.3.6 11.6.4 15.2.2 13.6.8 3.1.4 16.4.4 18.5.3 15.2.8 10.1.7 19.4.10 15.5.7 3.3.2 10.6.5 20.6.7 19.1.5 13.5.1 11.5.3 6.4.8 14.3.8 10.3.9 16.2.5 17.4.7 18.4.2 10.5.5 15.4.9 18.5.2 3.4.3 20.4.3 ...
7.1.10 3.6.1 17.3.1 1.5.2 12.5.9 3.3.8 2.6.2 5.6.1 18.3.5 7.4.3 19.6.4 1.5.7 6.3.10 20.4.10 18.3.10 15.2.10 2.1.7 20.1.5 8.3.10 2.3.6 11.6.4 15.2.2 13.6.8 3.1.4 16.4.4 18.5.3 15.2.8 10.1.7 19.4.10 15.5.7 3.3.2 10.6.5 20.6.7 19.1.5 13.5.1 11.5.3 6.4.8 14.3.8 10.3.9 16.2.5 17.4.7 18.4.2 10.5.5 15.4.9 18.5.2 3.4.3 20.4.3 ...
FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE MESSAGE WAS HIDDEN BUT NOT SECURE TOMORROW
arnold_andre
arnold_andre
null
{}
hard
en
132
132
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
cda-0007420
QHLVIBCZXRGJPQWUFWVVLUVPXPBNIQBQBEIECLBFVBNKIBFPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRGLVRIEIAPXETVBZXWJHOCHEHYYXLEUCITIJXWV
QHLVIBCZXRGJPQWUFWVVLUVPXPBNIQBQBEIECLBFVBNKIBFPTIEALIOFPFAHIZOKOCQTWKYSWAHFZRGLVRIEIAPXETVBZXWJHOCHEHYYXLEUCITIJXWV
ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE ARCHITECTURE SHOULD MAKE MISUSE HARDER
autokey
autokey
null
{ "primer": "MUSEUM" }
hard
en
116
116
synthetic_educational
null
null
[]
cda-0014155
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 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22
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 44 13 11 33 11 31 43 34 12 15 52 42 34 33 22
A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG
polybius
polybius
null
{}
medium
en
44
44
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
adfgx-265
GAFADXDDADXXDADAAAFXXDFDAFGGADDXXFFADAFXADAFXFXAXDADGAGFADAXXGFDGADXAXDXXDFFXDDGAXXAXDDAAXFADD
GAFADXDDADXXDADAAAFXXDFDAFGGADDXXFFADAFXADAFXFXAXDADGAGFADAXXGFDGADXAXDXXDFFXDDGAXXAXDDAAXFADD
ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO
adfgx
adfgx
fractionation
{ "polybius": "KEYWORD", "columnar": "TRAFIC" }
advanced
en
94
94
cipher_museum
0.2
public
null
null
bacon-cipher-v2-0039
BAABA ABBAB BAAAA ABBBA AABAA AAABB ABBAB AAAAA BABAB AAAAA BABBB AAAAA ABABA ABABA AABBB AAAAA ABBAA AAABB BAAAB AAAAB BAAAA AAAAA AAABA AABAA
BAABA ABBAB BAAAA ABBBA AABAA AAABB ABBAB AAAAA BABAB AAAAA BABBB AAAAA ABABA ABABA AABBB AAAAA ABBAA AAABB BAAAB AAAAB BAAAA AAAAA AAABA AABAA
TORPEDO AWAY ALL HANDS BRACE
bacon_cipher
bacon_cipher
steganography
{ "type": "none", "value": null }
beginner
en
120
143
cipher_museum
2.0
public
null
null
red-type-a-v2-0492
GPASULNVOVENXHPYUILZIFYUQIAWPZUAOUDEREOVNUPNESYQFEYDAJBEIVRTPIGPNUTIKMDYZSAVFZOYYWJTOCMIWFPEHPAVCCUPUDKASFYSILURPUSUAQQUPELTIOGYGIYLCHGSEYRESUNXQIDUDXKINMCOQQYU
GPASULNVOVENXHPYUILZIFYUQIAWPZUAOUDEREOVNUPNESYQFEYDAJBEIVRTPIGPNUTIKMDYZSAVFZOYYWJTOCMIWFPEHPAVCCUPUDKASFYSILURPUSUAQQUPELTIOGYGIYLCHGSEYRESUNXQIDUDXKINMCOQQYU
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
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "MIKADO" }
advanced
en
160
160
cipher_museum
2.0
public
null
null
bazeries-359
BPFSPNXKFUCNKORXPCGFHCKLPNJFSTKPBPOSFPSPPCOCHFPFSPKNGXXCFSYJSYPFFBKNYFCSBPNSKPFOSXWPNKKPQNJCSBTJCSCPFOQODITSKPCXMJCQWNBUTCTBJFJKKJTFKTJQIPJSASSGPTYS
BPFSPNXKFUCNKORXPCGFHCKLPNJFSTKPBPOSFPSPPCOCHFPFSPKNGXXCFSYJSYPFFBKNYFCSBPNSKPFOSXWPNKKPQNJCSBTJCSCPFOQODITSKPCXMJCQWNBUTCTBJFJKKJTFKTJQIPJSASSGPTYS
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
bazeries
bazeries
transposition
{ "type": "integer", "value": 56 }
advanced
en
148
148
cipher_museum
0.2
public
null
null
straddling-checkerboard-048
8237637227437420312576372965282304227637295452976763724552243123509125595672281
8237637227437420312576372965282304227637295452976763724552243123509125595672281
IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "ATONESIRE" }
advanced
en
79
79
cipher_museum
0.2
public
null
null
bifid-093
GVGGRDYBEPIIOQIIQCGPFIEUKNHOCRYYWTKDKORDZH
GVGGRDYBEPIIOQIIQCGPFIEUKNHOCRYYWTKDKORDZH
GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY
bifid
bifid
fractionation
{ "type": "keyword", "value": "CIPHER" }
advanced
en
42
42
cipher_museum
0.2
public
null
null
red-type-a-v2-0174
YBKVCUVIXDPLIJJIPYYLVUERFTITYZCARMEFUJDEYPNIHECYQJCYLROHUKJWAITLMYSU
YBKVCUVIXDPLIJJIPYYLVUERFTITYZCARMEFUJDEYPNIHECYQJCYLROHUKJWAITLMYSU
ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "YAMATO" }
advanced
en
68
68
cipher_museum
2.0
public
null
null
playfair-de-051
GSUKAQHKBIZTEPHKBIOTPINONCAEKUZTPINOULHAENGEKEBI
GSUKAQHKBIZTEPHKBIOTPINONCAEKUZTPINOULHAENGEKEBI
DAS IST NICHT NUR NICHT RICHTIG ES IST NICHT EINMAL FALSCH
playfair
playfair
substitution
{ "type": "keyword", "value": "MUSEUM" }
intermediate
de
48
48
cipher_museum
0.2
public
null
null
cda-0011805
DARQS SIECH TNUIN AUEIP CLOED TGDPE XMHUA USEIR THNPP ERILT RNARF COLRI MDESY PIRIS ESTSB DCXHG EEECS YSEUR X
DARQS SIECH TNUIN AUEIP CLOED TGDPE XMHUA USEIR THNPP ERILT RNARF COLRI MDESY PIRIS ESTSB DCXHG EEECS YSEUR X
DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY
scytale
scytale
null
{ "cols": 7 }
hard
en
91
91
synthetic_educational
null
null
[]
nomenclator-v3-0202
06 15 18 09 11 14 15 23 60 20 08 15 21 07 08 20 19 20 08 01 20 09 20 08 09 14 11 20 15 23 01 18 04 25 15 21 19 01 09 20 08 60 12 15 18 04 20 08 15 21 07 08 20 19 62 16 05 01 03 05 61 14 15 20 62 05 22 09 12 63 07 09 22 05 25 15 21 01 14 05 24 16 05 03 20 05 04 05 14 04 20 08 05 14 19 08 01 12 12 25 05 03 01 12 12 21 16...
06 15 18 09 11 14 15 23 60 20 08 15 21 07 08 20 19 20 08 01 20 09 20 08 09 14 11 20 15 23 01 18 04 25 15 21 19 01 09 20 08 60 12 15 18 04 20 08 15 21 07 08 20 19 62 16 05 01 03 05 61 14 15 20 62 05 22 09 12 63 07 09 22 05 25 15 21 01 14 05 24 16 05 03 20 05 04 05 14 04 20 08 05 14 19 08 01 12 12 25 05 03 01 12 12 21 16...
FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "PALACE" }
expert
en
290
434
cipher_museum
2.0
public
null
null
cda-0018871
⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w...
⟨w08⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨a23⟩ ⟨w40⟩ ⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨a11⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w14⟩ ⟨w08⟩ ⟨a07⟩ ⟨w08⟩ ⟨a01⟩ ⟨w22⟩ ⟨w10⟩ ⟨a11⟩ ⟨w20⟩ ⟨w34⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w26⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a23⟩ ⟨w10⟩ ⟨w28⟩ ⟨a19⟩ ⟨w22⟩ ⟨w16⟩ ⟨w...
A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN
babington
babington
null
{}
hard
en
197
197
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
purple-173
MTRAMBPKJDFBXWIEYWJYBZVVQJFCZSQLIJBRVIMTDNRDQRRSKTETXWRNBYVP
MTRAMBPKJDFBXWIEYWJYBZVVQJFCZSQLIJBRVIMTDNRDQRRSKTETXWRNBYVP
LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER
purple
purple
machine
{ "type": "seed", "value": "SECRET" }
expert
en
60
60
cipher_museum
0.2
public
null
null
geheimschreiber-v2-0093
VAJTHYUGGRHCTPDBYMBPPUYDKSFFKBCVVVQKICQXNCJVCIWUIQSYMCAXGJFATATKLTAAMUUJRDWMZFINOI
VAJTHYUGGRHCTPDBYMBPPUYDKSFFKBCVVVQKICQXNCJVCIWUIQSYMCAXGJFATATKLTAAMUUJRDWMZFINOI
THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "BERLIN" }
expert
en
82
82
cipher_museum
2.0
public
null
null
columnar-transposition-fr-045
ITNMLAAIBPCSERSSAONFSPESI
ITNMLAAIBPCSERSSAONFSPESI
IMPOSSIBLE N EST PAS FRANCAIS
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "KEYWORD" }
intermediate
fr
25
25
cipher_museum
0.2
public
null
null
culper-ring-v3-0050
104 998 812 824 999 998 801 804 806 808 813 813 808 813 806 999 106 998 812 824 999 998 804 813 803 999 102 104 998 812 824 999 998 804 813 803 999 106 998 812 824 999 998 801 804 806 808 813 813 808 813 806 999 111 100 998 816 820 804 804 813 999 101 998 818 802 814 819 818 999 998 810 813 804 822 999 176
104 998 812 824 999 998 801 804 806 808 813 813 808 813 806 999 106 998 812 824 999 998 804 813 803 999 102 104 998 812 824 999 998 804 813 803 999 106 998 812 824 999 998 801 804 806 808 813 813 808 813 806 999 111 100 998 816 820 804 804 813 999 101 998 818 802 814 819 818 999 998 810 813 804 822 999 176
IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL
culper_ring
culper_ring
codebook
{ "type": "none", "value": null }
expert
en
231
307
cipher_museum
2.0
public
null
null
cda-0010499
A NQGIQ IHV LVLEFWUO GSMNZNKQ AUU KW GFT HTBY MQ JFDDX LAY WAPR KETURRX YOWF GSQES IXV EXNCKA DZIMU EVZZL NXBNQ JCGAJ GGFT SECM TIG NID YWILO TE FAPBC EHXZNK CMCSASXNUU QB XZF OFDAVF US GAQRDR GTHUZKUKH
A NQGIQ IHV LVLEFWUO GSMNZNKQ AUU KW GFT HTBY MQ JFDDX LAY WAPR KETURRX YOWF GSQES IXV EXNCKA DZIMU EVZZL NXBNQ JCGAJ GGFT SECM TIG NID YWILO TE FAPBC EHXZNK CMCSASXNUU QB XZF OFDAVF US GAQRDR GTHUZKUKH
A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE BEST LESSONS SHOW WHERE THE METHOD FAILS BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY
trithemius
trithemius
null
{}
hard
en
166
166
synthetic_educational
null
null
[]
nihilist-v3-0071
42 25 59 87 56 30 43 24 86 59 57 40 36 45 59 59 45 38 56 54 88 69 28 69 64 37 56 57 26 46 55 37 59 86 44 59 65 37 59 59 25 57 65 37 56 78 35 59 46 27 55 59 25 29 36 45 56 76 28 57 64 55 69 56 26 28 42 27 58 56 26 28 36 34 87 79 47 58
42 25 59 87 56 30 43 24 86 59 57 40 36 45 59 59 45 38 56 54 88 69 28 69 64 37 56 57 26 46 55 37 59 86 44 59 65 37 59 59 25 57 65 37 56 78 35 59 46 27 55 59 25 29 36 45 56 76 28 57 64 55 69 56 26 28 42 27 58 56 26 28 36 34 87 79 47 58
BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS
nihilist
nihilist
fractionation
{ "polybius": "PALACE", "keyword": "BATTLE" }
advanced
en
156
233
cipher_museum
2.0
public
null
null
noisy-columnar_transposition-telegraph-002
SIEW AERRTETNDONRGAENMEINDFEANVECSGOC
SIEW AERRTETNDONRGAENMEINDFEANVECSGOC
SEND REINFORCEMENTS WE ARE GOING TO ADVANCE
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
36
37
cipher_museum
0.2
public
null
null
wallis-cipher-v3-0162
90 15 44 63 91 90 30 54 82 58 45 91 90 89 85 79 91 90 53 76 63 91 90 61 55 25 27 91 90 41 84 40 15 18 81 45 91 90 53 15 47 20 40 91 90 77 76 35 45 91 90 15 44 85 53 63 91 90 40 72 66 53 91 90 45 58 25 79 40 18 81 33 53 91 90 85 61 91 90 16 76 47 55 40 91 90 12 63 35 25 20 76 91 90 89 85 72 55 91 90 69 54 20 15 44 91
90 15 44 63 91 90 30 54 82 58 45 91 90 89 85 79 91 90 53 76 63 91 90 61 55 25 27 91 90 41 84 40 15 18 81 45 91 90 53 15 47 20 40 91 90 77 76 35 45 91 90 15 44 85 53 63 91 90 40 72 66 53 91 90 45 58 25 79 40 18 81 33 53 91 90 85 61 91 90 16 76 47 55 40 91 90 12 63 35 25 20 76 91 90 89 85 72 55 91 90 69 54 20 15 44 91
THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "ENGLAND" }
expert
en
212
317
cipher_museum
2.0
public
null
null
trifid-v2-0458
UCFBZ+PHOVRGETRECFMZI+UUJRRRIIDWUOBRFDLMFPHMWUQOMPUFRBOVLRBSGDYNCQGGAPOKEIUKFP
UCFBZ+PHOVRGETRECFMZI+UUJRRRIIDWUOBRFDLMFPHMWUQOMPUFRBOVLRBSGDYNCQGGAPOKEIUKFP
THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT
trifid
trifid
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
78
78
cipher_museum
2.0
public
null
null
scytale-vg-0048
TFONHRWDEOLILMENOHDGRIGFDSEOGMARIONAVUDLETULSHNNWCDAIOETSMRIDESOOKTNMNAS
TFONHRWDEOLILMENOHDGRIGFDSEOGMARIONAVUDLETULSHNNWCDAIOETSMRIDESOOKTNMNAS
THE LORD GIVES WISDOM FROM HIS MOUTH COME KNOWLEDGE AND UNDERSTANDING FOR ALL NATIONS
scytale
scytale
transposition
{ "type": "integer", "value": 4 }
intermediate
en
72
72
cipher_museum
2.0
public
null
null
vernam-v2-0184
JDSJXUBWQPNFRYXLVOXABTOIRBQOXRKCWWBSEEQJJAXBPOBCOJGMILLZEMMWDWEJVFTAJILMXQWTRDLAH
JDSJXUBWQPNFRYXLVOXABTOIRBQOXRKCWWBSEEQJJAXBPOBCOJGMILLZEMMWDWEJVFTAJILMXQWTRDLAH
THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED
vernam
vernam
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
81
81
cipher_museum
2.0
public
null
null
m94-v2-0184
YVOGBAWVXYKKQEORFPHFWUMDXXUXGGZFXJHRDIKORLKPRRVQIBZKLDPRPCPDDZZLTYULAFRCZEVAG
YVOGBAWVXYKKQEORFPHFWUMDXXUXGGZFXJHRDIKORLKPRRVQIBZKLDPRPCPDDZZLTYULAFRCZEVAG
NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN
m94
m94
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
77
77
cipher_museum
2.0
public
null
null
bifid-v2-0091
XTMTMMHNAMQSPPCNNSETPTBALRSKAMBIOLITMKGUWIMEQNZUZOUGUCCLUXRGTZGYSHIZCHUNIUNYCY
XTMTMMHNAMQSPPCNNSETPTBALRSKAMBIOLITMKGUWIMEQNZUZOUGUCCLUXRGTZGYSHIZCHUNIUNYCY
YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT
bifid
bifid
fractionation
{ "type": "keyword", "value": "PALACE" }
advanced
en
78
78
cipher_museum
2.0
public
null
null
solitaire-v3-0169
XMNBCZBYVDFTFQFILZCKXAWRXTYLUZNUMJRLMPTTYPFLHRYHBFEFLXPBNTWFOKCSBRXYTNXEWWX
XMNBCZBYVDFTFQFILZCKXAWRXTYLUZNUMJRLMPTTYPFLHRYHBFEFLXPBNTWFOKCSBRXYTNXEWWX
THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL
solitaire
solitaire
stream
{ "type": "passphrase", "value": "SCHNEIER" }
expert
en
75
75
cipher_museum
2.0
public
null
null
cda-0014937
AAAA ABAA ABAA ABAB ABBA BAAB AAAA AAAB ABAA ABAA ABAA ABAA ABAA AAAB AAAA ABBA BAAA BBBA ABBB AAAB AABA AAAA BBAA AABB ABBA BAAA BABB BAAA AAAB AAAA BAAB AAAA AAAB BAAB AAAB BAAB AABB ABAA BAAA BBAA AAAB ABAA AABA BBAA BBBA BAAB AABA BBAA BAAB AAAB BAAA BAAA AAAA BBAA ABAA BAAA BAAA BAAB ABAA AAAA BAAA BBAA ABAB AAAA ...
AAAA ABAA ABAA ABAB ABBA BAAB AAAA AAAB ABAA ABAA ABAA ABAA ABAA AAAB AAAA ABBA BAAA BBBA ABBB AAAB AABA AAAA BBAA AABB ABBA BAAA BABB BAAA AAAB AAAA BAAB AAAA AAAB BAAB AAAB BAAB AABB ABAA BAAA BBAA AAAB ABAA AABA BBAA BBBA BAAB AABA BBAA BAAB AAAB BAAA BAAA AAAA BBAA ABAA BAAA BAAA BAAB ABAA AAAA BAAA BBAA ABAB AAAA ...
A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS
bacon_cipher
bacon_cipher
null
{}
hard
en
450
450
synthetic_educational
null
null
[ "five_bit_decode", "ab_frequency_analysis" ]
Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.
m209-v2-0178
XZRBLCRYMAQJWBNICTAPIUBSKELNWIVAVMXCJNSHAOULQOHPPYPXNPTTILKNKLZALOJWZJAD
XZRBLCRYMAQJWBNICTAPIUBSKELNWIVAVMXCJNSHAOULQOHPPYPXNPTTILKNKLZALOJWZJAD
GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA
m209
m209
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
72
72
cipher_museum
2.0
public
null
null
adfgx-v3-0065
DFDDFGXGGDFDDADAXAFXXDGDGXGXADFDGAGDADFDDDFDADFDAXGGXXXGFXXXGGGDXXFXDGDGXGGFDAGGGGGFFFGAGAAFGGAFAGAFAXFDAGGADAFGFAAXDAGFDGDXXAXDXDGXDDAFXFXFADGAAX
DFDDFGXGGDFDDADAXAFXXDGDGXGXADFDGAGDADFDDDFDADFDAXGGXXXGFXXXGGGDXXFXDGDGXGGFDAGGGGGFFFGAGAAFGGAFAGAFAXFDAGGADAFGFAAXDAGFDGDXXAXDXDGXDDAFXFXFADGAAX
WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY
adfgx
adfgx
fractionation
{ "polybius": "PALACE", "columnar": "BATTLE" }
advanced
en
146
146
cipher_museum
2.0
public
null
null
fialka-v3-0136
GLIYLLWTKLHXNBNBGEPRMMFVZ
GLIYLLWTKLHXNBNBGEPRMMFVZ
THE SHOT HEARD ROUND THE WORLD
fialka
fialka
machine
{ "type": "seed", "value": "KREMLIN" }
expert
en
25
25
cipher_museum
2.0
public
null
null
cda-0020657
THAN ZIEG LOEI HAKH ADIB EHCA YEIL THNO DAIH WOLL ACHE EGAH DZEH MOAS ITKI NCLA GIAI HLIN DZEH GAHD ZEHT SAHM OASI GAHT SAHA SZIH CLAG IAIH THAN ZIED IBEH BETK INAH JAHG AHWO LLAC HEEC LAGI AIHL INDI BEHG LOEI HTKI NTHA NZIE LINT HANZ IEGL OEIH AKHA CLAG IAIH AKHA
THAN ZIEG LOEI HAKH ADIB EHCA YEIL THNO DAIH WOLL ACHE EGAH DZEH MOAS ITKI NCLA GIAI HLIN DZEH GAHD ZEHT SAHM OASI GAHT SAHA SZIH CLAG IAIH THAN ZIED IBEH BETK INAH JAHG AHWO LLAC HEEC LAGI AIHL INDI BEHG LOEI HTKI NTHA NZIE LINT HANZ IEGL OEIH AKHA CLAG IAIH AKHA
TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF CERTAINLY
navajo_code
navajo_code
null
{}
hard
en
212
212
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
rail-fence-vg-0008
TEODIEWSOFOHSOTCMKOLDENUDRTNIGOALAINHLRGVSIDMRMIMUHOENWEGADNESADNFRLNTOS
TEODIEWSOFOHSOTCMKOLDENUDRTNIGOALAINHLRGVSIDMRMIMUHOENWEGADNESADNFRLNTOS
THE LORD GIVES WISDOM FROM HIS MOUTH COME KNOWLEDGE AND UNDERSTANDING FOR ALL NATIONS
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 2 }
intermediate
en
72
72
cipher_museum
2.0
public
null
null
m209-v2-0154
BPKOCWYWQXDLTOBJK
BPKOCWYWQXDLTOBJK
COURAGE IN DARKNESS
m209
m209
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
17
17
cipher_museum
2.0
public
null
null
rot13-v2-0115
LRFGREQNL QRPRZORE FRIRAGU AVARGRRA SBEGL BAR N QNGR JUVPU JVYY YVIR VA VASNZL GUR HAVGRQ FGNGRF BS NZREVPN JNF FHQQRAYL NAQ QRYVORENGRYL NGGNPXRQ OL ANINY NAQ NVE SBEPRF BS GUR RZCVER BS WNCNA
LRFGREQNL QRPRZORE FRIRAGU AVARGRRA SBEGL BAR N QNGR JUVPU JVYY YVIR VA VASNZL GUR HAVGRQ FGNGRF BS NZREVPN JNF FHQQRAYL NAQ QRYVORENGRYL NGGNPXRQ OL ANINY NAQ NVE SBEPRF BS GUR RZCVER BS WNCNA
YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN
rot13
rot13
substitution
{ "type": "none", "value": null }
beginner
en
161
193
cipher_museum
2.0
public
null
null
diana-v3-0201
ZIARUJIEVNWUXDABRYXMUPPRZPTXYXXCXHAEUAJBWAEYBJBCFEMIUPTLHELVANHLLELPAYPTWJBAAHWXEQMRHPRZMSSLPTRPTNGHYVPAYPWXYQWPEYBKMTDQIWAUOZSCBJBWHZIWKFANAIERXZHKCLVANHLLELP
ZIARUJIEVNWUXDABRYXMUPPRZPTXYXXCXHAEUAJBWAEYBJBCFEMIUPTLHELVANHLLELPAYPTWJBAAHWXEQMRHPRZMSSLPTRPTNGHYVPAYPWXYQWPEYBKMTDQIWAUOZSCBJBWHZIWKFANAIERXZHKCLVANHLLELP
THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART
diana
diana
polyalphabetic
{ "type": "keyword", "value": "SPECIAL" }
intermediate
en
159
159
cipher_museum
2.0
public
null
null
kama-sutra-v3-0110
WIL JXWLU ICEM KHYD
WIL JXWLU ICEM KHYD
THE GATES HOLD FIRM
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "VATSYANA" }
intermediate
en
16
19
cipher_museum
2.0
public
null
null
vic-180
72868208883095782513080
72868208883095782513080
CIPHER KEY CHANGED
vic
vic
substitution
{ "type": "keyword", "value": "ENIGMA" }
advanced
en
23
23
cipher_museum
0.2
public
null
null
scytale-v2-0514
BIGDSRYDTANXRDEETOEADWXX
BIGDSRYDTANXRDEETOEADWXX
BRIDGE DESTROYED AT DAWN
scytale
scytale
transposition
{ "type": "integer", "value": 12 }
intermediate
en
24
24
cipher_museum
2.0
public
null
null
jn25-044
41419 41426 41419 41427 41419 41428 41424 41415 41422 41439 41427 41439 41418 41419 41415 41422 41437 41415 41424 41423 41429 41428 41424 41412 41419 41411 41415 41427 41419 41413 41423 41415 41410 41429 41429 41424 41415 41428 41418 41424 41412 41419 41417 41422 41413 41427 41413 41428 41415 41426 41413 41423 41417 41...
41419 41426 41419 41427 41419 41428 41424 41415 41422 41439 41427 41439 41418 41419 41415 41422 41437 41415 41424 41423 41429 41428 41424 41412 41419 41411 41415 41427 41419 41413 41423 41415 41410 41429 41429 41424 41415 41428 41418 41424 41412 41419 41417 41422 41413 41427 41413 41428 41415 41426 41413 41423 41417 41...
ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE
jn25
jn25
codebook
{ "type": "additive", "value": "31415" }
expert
en
285
341
cipher_museum
0.2
public
null
null
purple-066
AIWONVOFMICVEQUO
AIWONVOFMICVEQUO
PROCEED AS PLANNED
purple
purple
machine
{ "type": "seed", "value": "CIPHER" }
expert
en
16
16
cipher_museum
0.2
public
null
null
rail-fence-v2-0280
CSOSUERNAKGREAIDN
CSOSUERNAKGREAIDN
COURAGE IN DARKNESS
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 9 }
intermediate
en
17
17
cipher_museum
2.0
public
null
null
sigaba-v2-0344
SDGYAZBJSDVKGVPPRIBSLMTINWYQDVUERWDPLCURQIDLEEFZUFWWRXCMPRYBVKEBTUGBHVBRURFMEV
SDGYAZBJSDVKGVPPRIBSLMTINWYQDVUERWDPLCURQIDLEEFZUFWWRXCMPRYBVKEBTUGBHVBRURFMEV
YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT
sigaba
sigaba
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
78
78
cipher_museum
2.0
public
null
null
stager-route-v2-0494
THLKOSEHSMETUNASHTYHETTWENEHEPOTNUHSESHSNMEEOMORTMRIHTHLOEWMNEEIEUEFSSASRILSLBSGEARRDDNTRHELTHNIFKEOGTEOWSEEOTIISSHLELIARLHHRXXHTEEETDENIEHMYAMEPAEETAPEIXXSOADHRTDADALS
THLKOSEHSMETUNASHTYHETTWENEHEPOTNUHSESHSNMEEOMORTMRIHTHLOEWMNEEIEUEFSSASRILSLBSGEARRDDNTRHELTHNIFKEOGTEOWSEEOTIISSHLELIARLHHRXXHTEEETDENIEHMYAMEPAEETAPEIXXSOADHRTDADALS
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
stager_route
stager_route
transposition
{ "type": "integer", "value": 12 }
expert
en
168
168
cipher_museum
2.0
public
null
null
cda-0006037
ABRSEN SAQFLBHVAB VE BBF PEAYRN PL ZSGFSE TFRCIRNQL
ABRSEN SAQFLBHVAB VE BBF PEAYRN PL ZSGFSE TFRCIRNQL
MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY
porta
porta
null
{ "key": "KEY" }
medium
en
44
44
synthetic_educational
null
null
[ "kasiski_examination", "index_of_coincidence" ]
Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).
bifid-v3-0198
AEEYIILEBSNFSQXS
AEEYIILEBSNFSQXS
THE SENATE DECREES
bifid
bifid
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
16
16
cipher_museum
2.0
public
null
null