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81 values
cipher
stringclasses
81 values
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stringclasses
13 values
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unknown
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stringclasses
7 values
language
stringclasses
8 values
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int64
6
1.09k
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1.28k
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1 value
attack_methods
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stringclasses
32 values
chinese-telegraph-v2-0205
8038 7194 8603 8685 8437 7467 7720 8528 8854 8437 7720 8603 8603 7467 8038 7720 8038 8603 7654 7467 7911 7194 8038 7590 8685 7194 7590 7467 8100 7529 7974 7194 8603 7654 7467 7974 7194 8603 7720 7338 8528 7194 8038 7401 7720 8603 8528 7338 7654 7194 8437 7194 7338 8603 7467 8437 8528 7194 8437 7467 8603 8437 7720 7194 ...
8038 7194 8603 8685 8437 7467 7720 8528 8854 8437 7720 8603 8603 7467 8038 7720 8038 8603 7654 7467 7911 7194 8038 7590 8685 7194 7590 7467 8100 7529 7974 7194 8603 7654 7467 7974 7194 8603 7720 7338 8528 7194 8038 7401 7720 8603 8528 7338 7654 7194 8437 7194 7338 8603 7467 8437 8528 7194 8437 7467 8603 8437 7720 7194 ...
NATURE IS WRITTEN IN THE LANGUAGE OF MATHEMATICS AND ITS CHARACTERS ARE TRIANGLES AND CIRCLES
chinese_telegraph
chinese_telegraph
codebook
{ "type": "additive", "value": "27182" }
expert
en
316
394
cipher_museum
2.0
public
null
null
kl7-v3-0061
DVMODGHKMWALCZJJHFTXBDIBWXXYAELOFDDLEBBYCUOYSYQEBOYHOAYIKHHIZHMKQFWYIOOIQDUG
DVMODGHKMWALCZJJHFTXBDIBWXXYAELOFDDLEBBYCUOYSYQEBOYHOAYIKHHIZHMKQFWYIOOIQDUG
AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES
kl7
kl7
machine
{ "type": "seed", "value": "NATO" }
expert
en
76
76
cipher_museum
2.0
public
null
null
porta-205
LPTNASTPLOFYTTG
LPTNASTPLOFYTTG
SILENCE IS GOLDEN
porta
porta
polyalphabetic
{ "type": "keyword", "value": "PORTAGE" }
intermediate
en
15
15
cipher_museum
0.2
public
null
null
m209-v3-0309
XPKXZNZGASIAZSHWBZPJIMFXKDEBRAKLOQLEPJXZLTGZZJWYHQMVPYDQOAKQUCKLVFRVUYMDPZTZRTZMWSJQEIRVZSZAJWZOMEOXYOEJWNCMVOOLUEKZDPUCUPAACPMWMVBXCSSPYDPORZKFRALWWQJCWLKPAORERBKL
XPKXZNZGASIAZSHWBZPJIMFXKDEBRAKLOQLEPJXZLTGZZJWYHQMVPYDQOAKQUCKLVFRVUYMDPZTZRTZMWSJQEIRVZSZAJWZOMEOXYOEJWNCMVOOLUEKZDPUCUPAACPMWMVBXCSSPYDPORZKFRALWWQJCWLKPAORERBKL
IN THE SEVENTEENTH CENTURY ISAAC NEWTON SYNTHESIZED THE WORK OF COPERNICUS GALILEO AND KEPLER INTO A UNIFIED THEORY OF GRAVITATION THAT EXPLAINED BOTH THE FALL OF APPLES AND THE ORBITS OF PLANETS
m209
m209
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
164
164
cipher_museum
2.0
public
null
null
affine-122
MCFF DG XQRF
MCFF DG XQRF
FLEE AT ONCE
affine
affine
substitution
{ "a": 7, "b": 3 }
beginner
en
10
12
cipher_museum
0.2
public
null
null
affine-v3-0541
JDI HVKTJKTW HVICC UDGTWIC GFF
JDI HVKTJKTW HVICC UDGTWIC GFF
THE PRINTING PRESS CHANGES ALL
affine
affine
substitution
{ "a": 7, "b": 6 }
beginner
en
26
30
cipher_museum
2.0
public
null
null
jefferson-disk-v2-0009
SIIFZEDECUERNYDO
SIIFZEDECUERNYDO
THE HARBOR IS CLEAR
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "4,2,6,1,3,5" }
expert
en
16
16
cipher_museum
2.0
public
null
null
wheatstone-058
VNTQNTMQNTMTSJMTYTTWQJMAMBIDJMVNWQPJTUTMYTAJAJWFFQJQNTOFJMYJSOJASJMQNTTWMQNBPQNTFJMAPWIAQNTSRFFITPPQNTMTJSQNTVJMFAWIAQNTYQNWQAVTFFQNTMTBI
VNTQNTMQNTMTSJMTYTTWQJMAMBIDJMVNWQPJTUTMYTAJAJWFFQJQNTOFJMYJSOJASJMQNTTWMQNBPQNTFJMAPWIAQNTSRFFITPPQNTMTJSQNTVJMFAWIAQNTYQNWQAVTFFQNTMTBI
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
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "WHEATSTONE" }
advanced
en
137
137
cipher_museum
0.2
public
null
null
nomenclator-v3-0187
60 18 09 07 08 20 62 60 16 05 15 16 12 05 63 11 05 05 16 61 02 05 01 18 01 18 13 19 19 08 01 12 12 14 15 20 02 05 09 14 06 18 09 14 07 05 04 02 25 60 06 05 04 05 18 01 12 07 15 22 05 18 14 13 05 14 20
60 18 09 07 08 20 62 60 16 05 15 16 12 05 63 11 05 05 16 61 02 05 01 18 01 18 13 19 19 08 01 12 12 14 15 20 02 05 09 14 06 18 09 14 07 05 04 02 25 60 06 05 04 05 18 01 12 07 15 22 05 18 14 13 05 14 20
THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "PALACE" }
expert
en
134
200
cipher_museum
2.0
public
null
null
cda-0021949
GSV ORYIZIB KIVHVIEVH PMLDOVWTV ULI GSV XLNNFMRGB XLOFNMZI GIZMHKLHRGRLM IVZWH XLOFNMH RM PVB LIWVI
GSV ORYIZIB KIVHVIEVH PMLDOVWTV ULI GSV XLNNFMRGB XLOFNMZI GIZMHKLHRGRLM IVZWH XLOFNMH RM PVB LIWVI
THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER
atbash
atbash
null
{}
hard
en
86
86
synthetic_educational
null
null
[ "self_inverse_check", "frequency_analysis" ]
Atbash maps A↔Z, B↔Y, … and is its own inverse.
fialka-183
ZITGPKZGBCABRRSPY
ZITGPKZGBCABRRSPY
THE EAGLE HAS LANDED
fialka
fialka
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
17
17
cipher_museum
0.2
public
null
null
great-cipher-v3-0084
143 100 163 144 172 157 172 117 137 166 158 123 141 102 174 179 128 152 172 133 144 131 170 154 106 134 163 105 118 125 110 177 151 143 103 172 172 157 163 127 111 166 148 177 152 148 162 154 171 161 139 166 104 153 176 175
143 100 163 144 172 157 172 117 137 166 158 123 141 102 174 179 128 152 172 133 144 131 170 154 106 134 163 105 118 125 110 177 151 143 103 172 172 157 163 127 111 166 148 177 152 148 162 154 171 161 139 166 104 153 176 175
NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "VERSAILLES" }
expert
en
168
223
cipher_museum
2.0
public
null
null
double-transposition-v3-0063
HADDOONFODECRNASNINBNSSAIIVNOAAERGDTTEESLTOELSECOMAENAHAYNRVEEDTEEFHLEYBDNIIR
HADDOONFODECRNASNINBNSSAIIVNOAAERGDTTEESLTOELSECOMAENAHAYNRVEEDTEEFHLEYBDNIIR
ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION
double_transposition
double_transposition
transposition
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
77
77
cipher_museum
2.0
public
null
null
cda-0006345
CRNLYSSSIISRTSCEIRXOTECHASNDSTETTCERYWEHADOACEQNEISBNXXEYTPTSUSIGEBLIAAPTRNNEYNEPAAPRHHOAXXCNEEIORPHSCSIKDDOGSCISPRTEOESTRAEHXXLPLAHIWLRHYAANAPRAARGRRPECYITEDPOEXXTSHVMITBOBTTOAETPHIFSDAMIMIHOIAAITXXETBNUNTUBFENUCUEY
CRNLYSSSIISRTSCEIRXOTECHASNDSTETTCERYWEHADOACEQNEISBNXXEYTPTSUSIGEBLIAAPTRNNEYNEPAAPRHHOAXXCNEEIORPHSCSIKDDOGSCISPRTEOESTRAEHXXLPLAHIWLRHYAANAPRAARGRRPECYITEDPOEXXTSHVMITBOBTTOAETPHIFSDAMIMIHOIAAITXXETBNUNTUBFENUCUEY
CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER
stager_route
stager_route
null
{ "cols": 12 }
hard
en
216
216
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
morse-code-v3-0096
..- .-.. - .-. .- / .. -. - . .-.. .-.. .. --. . -. -.-. . / ..-. .-. --- -- / -... .-.. . - -.-. .... .-.. . -.-- / .--. .- .-. -.- / --. .- ...- . / - .... . / .- .-.. .-.. .. . ... / .- -. / . -. --- .-. -- --- ..- ... / .- -.. ...- .- -. - .- --. . / .. -. / .-- --- .-. .-.. -.. / .-- .- .-. / - .-- --- / -... -.--...
..- .-.. - .-. .- / .. -. - . .-.. .-.. .. --. . -. -.-. . / ..-. .-. --- -- / -... .-.. . - -.-. .... .-.. . -.-- / .--. .- .-. -.- / --. .- ...- . / - .... . / .- .-.. .-.. .. . ... / .- -. / . -. --- .-. -- --- ..- ... / .- -.. ...- .- -. - .- --. . / .. -. / .-- --- .-. .-.. -.. / .-- .- .-. / - .-- --- / -... -.--...
ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS
morse_code
morse_code
encoding
{ "type": "none", "value": null }
beginner
en
444
639
cipher_museum
2.0
public
null
null
cda-0016095
r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· r· X· ┌ ⌐ ─ ┌· L ⌐ Γ ⌐ ¬ └ L ┘· X· K ┐· X· K X r· ┘· X· └ Γ X r· ┘· ⌒ ⌐ └ └ ┌· L ⌐ X ┘·...
r ┘· └ X· ┌ ─ ⌐ ┌· K ┌· ⌐ ─ X ┐· ┘· X Γ· K Γ· ┘· ─ ┌· L ⌐ Γ X r ┘· └ X· ┌ ─ X Γ· ─ ┐ L ⌒· ┘· ┌· Γ L ┌· K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─ r ┌· ⌒· ┐· K X ┐· ⌐ Γ· ┌· X ┘· ⌐· └ L K K L ┌· X X Γ· ┌ X· └ K ⌐ ─ L ┘· X· X └ ⌒· r· X· ┌ ⌐ ─ ┌· L ⌐ Γ ⌐ ¬ └ L ┘· X· K ┐· X· K X r· ┘· X· └ Γ X r· ┘· ⌒ ⌐ └ └ ┌· L ⌐ X ┘·...
COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS
pigpen
pigpen
null
{}
medium
en
79
79
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
great-cipher-v2-0333
156 169 179 152 166 100 150 165 110 149 130 125 121 146 121 136 180 118 103 139 120 119 172 140 101 140 101 103 140 149 125 105 172 142 171 137 141 142 133 125 143 175 125 131 123 160 127 164 125 138 152 111 180 118 149 116 119 178 103 142 142
156 169 179 152 166 100 150 165 110 149 130 125 121 146 121 136 180 118 103 139 120 119 172 140 101 140 101 103 140 149 125 105 172 142 171 137 141 142 133 125 143 175 125 131 123 160 127 164 125 138 152 111 180 118 149 116 119 178 103 142 142
OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "FRANCE" }
expert
en
183
243
cipher_museum
2.0
public
null
null
porta-v2-0300
RUYBTVABMXUJNAHRPRSBUNNUTQWANBYRFBUQNCQZHJZSBHGNMHBFAQUWNFYFVWGAHRPR
RUYBTVABMXUJNAHRPRSBUNNUTQWANBYRFBUQNCQZHJZSBHGNMHBFAQUWNFYFVWGAHRPR
ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE
porta
porta
polyalphabetic
{ "type": "keyword", "value": "ITALY" }
intermediate
en
68
68
cipher_museum
2.0
public
null
null
slidex-v3-0080
NFOFSCDONFQUKBSCYSVCAKQJCAFQJKQILNOVVCWRXVESWSXVANUFSCAOCZZUNFQUBUPDTHWRAMVHCTTODK
NFOFSCDONFQUKBSCYSVCAKQJCAFQJKQILNOVVCWRXVESWSXVANUFSCAOCZZUNFQUBUPDTHWRAMVHCTTODK
HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD
slidex
slidex
transposition
{ "type": "keyword", "value": "BLETCHLEY" }
advanced
en
82
82
cipher_museum
2.0
public
null
null
two-square-v2-0080
IEUTQWATIOOLVRLUIMCORLKGUACQONLQETHEUGUAPUNBLARSMHALCRPNCOQNBMPNKSQOTWCKBQUKFSCUSX
IEUTQWATIOOLVRLUIMCORLKGUACQONLQETHEUGUAPUNBLARSMHALCRPNCOQNBMPNKSQOTWCKBQUKFSCUSX
OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS
two_square
two_square
polygraphic
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
82
82
cipher_museum
2.0
public
null
null
geheimschreiber-v3-0240
VZTVMJXAEEFLYKCLRNFRPSQWD
VZTVMJXAEEFLYKCLRNFRPSQWD
THE SHOT HEARD ROUND THE WORLD
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "GOTHIC" }
expert
en
25
25
cipher_museum
2.0
public
null
null
m209-v2-0177
MVCYQOPBWALXDQUXPPKLYOMAYNYEHXYRIZKYZLTYCXJFMYLVMJCPCZXJXQZXBUOZQLQKWXPMYNUAYQK
MVCYQOPBWALXDQUXPPKLYOMAYNYEHXYRIZKYZLTYCXJFMYLVMJCPCZXJXQZXBUOZQLQKWXPMYNUAYQK
RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT
m209
m209
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
79
79
cipher_museum
2.0
public
null
null
purple-v3-0158
YFNGLXMRQVNKMYCOEQUGFPUOSFNDCYLAAFTYGIQYZQJRSIUNYUNIANBWIIRMQGICVBRW
YFNGLXMRQVNKMYCOEQUGFPUOSFNDCYLAAFTYGIQYZQJRSIUNYUNIANBWIIRMQGICVBRW
THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL
purple
purple
machine
{ "type": "seed", "value": "YAMAMOTO" }
expert
en
68
68
cipher_museum
2.0
public
null
null
rail-fence-v3-0211
RNOIOMTNELEWIDAUASBYNTO
RNOIOMTNELEWIDAUASBYNTO
ROME WAS NOT BUILT IN ONE DAY
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 9 }
intermediate
en
23
23
cipher_museum
2.0
public
null
null
playfair-v2-0799
POFHAFPMHFLMDRPBKNHIIMAUASWNRIHOQKHNOZLQHGOVQTCKTXTOFRSHTAURHDIRLICIINICOHIZ
POFHAFPMHFLMDRPBKNHIIMAUASWNRIHOQKHNOZLQHGOVQTCKTXTOFRSHTAURHDIRLICIINICOHIZ
ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM
playfair
playfair
polygraphic
{ "type": "keyword", "value": "TRIUMPH" }
intermediate
en
76
76
cipher_museum
2.0
public
null
null
adfgvx-v2-0433
FGGDAXGFADADDDGDAXDDGGADADDFADAVGDGFDFGFDGFAVDGDFAAAVAVGVDFDVGAADDDAXAADFGVGXAVGVAFGVVXDXAXAXGFFDADGVADAXDAAAVGGADAAFGAVDADDDFGFAVAFDXGDDFFFGFAFGXDAAD
FGGDAXGFADADDDGDAXDDGGADADDFADAVGDGFDFGFDGFAVDGDFAAAVAVGVDFDVGAADDDAXAADFGVGXAVGVAFGVVXDXAXAXGFFDADGVADAXDAAAVGGADAAFGAVDADDDFGFAVAFDXGDDFFFGFAFGXDAAD
ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER
adfgvx
adfgvx
fractionation
{ "polybius": "DRAGON", "columnar": "THUNDER" }
advanced
en
150
150
cipher_museum
2.0
public
null
null
adfgx-v3-0199
DAFGFGDXGDGDAAGXDFDAFADAAFDDFDDF
DAFGFGDXGDGDAAGXDFDAFADAAFDDFDDF
RENDER UNTO CAESAR
adfgx
adfgx
fractionation
{ "polybius": "TRIUMPH", "columnar": "JUSTICE" }
advanced
en
32
32
cipher_museum
2.0
public
null
null
cda-0003827
JCKJBQ NWLXMNB KH ANENABRWP CQN JUYQJKNC
JCKJBQ NWLXMNB KH ANENABRWP CQN JUYQJKNC
ATBASH ENCODES BY REVERSING THE ALPHABET
gronsfeld
gronsfeld
null
{ "key": "99999" }
medium
en
35
35
synthetic_educational
null
null
[ "kasiski_examination", "digit_key_brute_force" ]
Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).
cda-0006718
FMTT IHAR ITFC SREE DDOP EMKM AESR HTYN ELAA PTES TNIS XSGI
FMTT IHAR ITFC SREE DDOP EMKM AESR HTYN ELAA PTES TNIS XSGI
FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS PERHAPS
stager_route
stager_route
null
{ "cols": 12 }
medium
en
48
48
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
chaocipher-v2-0097
GQZZXGJKZICCSGMOIPWZYVOAJRPTQILBQLXFXPVZCWNEYAUBEIOVVCKZOQTHYLZMIVTPBJJYLUJUYWDFEVNV
GQZZXGJKZICCSGMOIPWZYVOAJRPTQILBQLXFXPVZCWNEYAUBEIOVVCKZOQTHYLZMIVTPBJJYLUJUYWDFEVNV
VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "PALACE" }
advanced
en
84
84
cipher_museum
2.0
public
null
null
geheimschreiber-v2-0503
VUIJXZKHIBPTHWPJDFXJFUPVWFOQJCLSSUWCGCJYCMBDVHARQVSZSMFMKAOEAIXOGWPBQNOUYXVNILBUMCKVBSPPOBHOWYSBOUVNBXKMTALKBXHKUEZTZOUXFTUOUEHFSEMFWYAXTTDWGFILPESWLZADFNSSNLMEEVONQCHXPVHN
VUIJXZKHIBPTHWPJDFXJFUPVWFOQJCLSSUWCGCJYCMBDVHARQVSZSMFMKAOEAIXOGWPBQNOUYXVNILBUMCKVBSPPOBHOWYSBOUVNBXKMTALKBXHKUEZTZOUXFTUOUEHFSEMFWYAXTTDWGFILPESWLZADFNSSNLMEEVONQCHXPVHN
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
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "TEUTON" }
expert
en
172
172
cipher_museum
2.0
public
null
null
cda-0020139
AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB AB...
AABAA BAABB AABAA BAAAA BABBA BAAAB BABBA BAAAB BAABA AABAA ABABB ABBAA AABAA AABAA AAABB BAAAB AAAAA ABBAA AABBB ABBAB ABBAA AABAA BAAAB BAABA BAABA AABBB BAAAA AABAA AAAAA BAABA ABABB ABBAB AAABB AABAA ABABA ABABB ABBAB AAABB AABAA BAAAA ABBAA AABAA ABBAA AAABA BAAAA BABBA ABBBA BAABA ABAAA ABBAB ABBAA ABAAA BAAAB AB...
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS
bacon_cipher
bacon_cipher
null
{}
hard
en
855
855
synthetic_educational
null
null
[ "five_bit_decode", "ab_frequency_analysis" ]
Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.
chaocipher-v2-0029
MMEUKWWHDXJKBUYXFOZPV
MMEUKWWHDXJKBUYXFOZPV
PATIENCE BRINGS VICTORY
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "PALACE" }
advanced
en
21
21
cipher_museum
2.0
public
null
null
diana-v3-0022
OWNDSNEHJVTEDHNVAZ
OWNDSNEHJVTEDHNVAZ
DEAD MEN TELL NO TALES
diana
diana
polyalphabetic
{ "type": "keyword", "value": "RANGER" }
intermediate
en
18
18
cipher_museum
2.0
public
null
null
hill-v3-0391
WKCDWDWKZEGFLNKKRXMUHBGIURFRDOSXPLWKZESJAIRSWWNNTCANWDSYEQGTGFOMXKWHYOUGCOYXYOMRWWXZ
WKCDWDWKZEGFLNKKRXMUHBGIURFRDOSXPLWKZESJAIRSWWNNTCANWDSYEQGTGFOMXKWHYOUGCOYXYOMRWWXZ
SIGNALS INTELLIGENCE OR SIGINT INVOLVES INTERCEPTION AND ANALYSIS OF ELECTRONIC COMMUNICATIONS
hill
hill
polygraphic
{ "a": 9, "b": 2, "c": 7, "d": 5 }
advanced
en
84
84
cipher_museum
2.0
public
null
null
cda-0020424
06315 2555 01636 01921 5721 2892 1639 1272 4128 00335 04422 6297 1639 06002 6317 06658 6057 1664 05967 6324 2584 1615 02831 4476 01300 01616 07631 04791 1887 1022 04798 02862 04491 0961 2890 01340 1585 04494 00977 1641 6356 4809 01571 06062 06350 02898 4137 0407 06285 01586 03486 01600 7923 03859 1656 04484 2285 06316 ...
06315 2555 01636 01921 5721 2892 1639 1272 4128 00335 04422 6297 1639 06002 6317 06658 6057 1664 05967 6324 2584 1615 02831 4476 01300 01616 07631 04791 1887 1022 04798 02862 04491 0961 2890 01340 1585 04494 00977 1641 6356 4809 01571 06062 06350 02898 4137 0407 06285 01586 03486 01600 7923 03859 1656 04484 2285 06316 ...
THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN
zimmermann
zimmermann
null
{}
hard
en
100
100
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
scytale-v3-0359
ITSNDNNIRTTTHAOTGPOTBOIULWHLONUEFSNLLAESONIAAIYETMSFENWTVADAAEAMWIRECGSNSFUAFURKEIISOSNE
ITSNDNNIRTTTHAOTGPOTBOIULWHLONUEFSNLLAESONIAAIYETMSFENWTVADAAEAMWIRECGSNSFUAFURKEIISOSNE
IT IS A TRUTH UNIVERSALLY ACKNOWLEDGED THAT A SINGLE MAN IN POSSESSION OF A FORTUNE MUST BE IN WANT OF A WIFE
scytale
scytale
transposition
{ "type": "integer", "value": 11 }
intermediate
en
88
88
cipher_museum
2.0
public
null
null
m209-v2-0143
BPBBZQYMLAXYYNUQOHM
BPBBZQYMLAXYYNUQOHM
CODED MESSAGE FOLLOWS
m209
m209
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
19
19
cipher_museum
2.0
public
null
null
hill-299
MHCIGNTRYSDGOAKVVVDHMATUGNNNIQVCMHOKDMXYVVQSIKRFXYHYMRDFCICJPSRFXOHYPJQGMHJHVCWKDWTGBBVCLQRDRAXGQGRKWKSSADMOVCXIPWYMFCHNOWHUNNHPFQKGGUXBIPPVGATIFJRR
MHCIGNTRYSDGOAKVVVDHMATUGNNNIQVCMHOKDMXYVVQSIKRFXYHYMRDFCICJPSRFXOHYPJQGMHJHVCWKDWTGBBVCLQRDRAXGQGRKWKSSADMOVCXIPWYMFCHNOWHUNNHPFQKGGUXBIPPVGATIFJRR
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
hill
hill
polygraphic
{ "a": 7, "b": 5, "c": 2, "d": 3 }
advanced
en
148
148
cipher_museum
0.2
public
null
null
chinese-telegraph-v2-0126
1672 0285 1421 0472 0285 1024 0285 0918 1024 0729 0285 0918 0347 1421 0472 0285 1503 0856 0538 1421 0285 0219 1346 1421 0012 1421 0285 1346 0538 0856 0918 1255 0219 0285 1255 1421 0918 0347 0918 1255 0792 0012 0792 0918 1255 0285 1024 0285 1255 0347 0285 0156 1421 1503 0856 0538 0918 0856 0285 1346 1421 0012 0074 0729 ...
1672 0285 1421 0472 0285 1024 0285 0918 1024 0729 0285 0918 0347 1421 0472 0285 1503 0856 0538 1421 0285 0219 1346 1421 0012 1421 0285 1346 0538 0856 0918 1255 0219 0285 1255 1421 0918 0347 0918 1255 0792 0012 0792 0918 1255 0285 1024 0285 1255 0347 0285 0156 1421 1503 0856 0538 0918 0856 0285 1346 1421 0012 0074 0729 ...
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
chinese_telegraph
chinese_telegraph
codebook
{ "type": "none", "value": null }
expert
en
716
894
cipher_museum
2.0
public
null
null
vic-187
1858688289851088899058301
1858688289851088899058301
NO PRISONERS TAKEN
vic
vic
substitution
{ "type": "keyword", "value": "ENIGMA" }
advanced
en
25
25
cipher_museum
0.2
public
null
null
trithemius-v2-0123
HFCGUZGYBNBD RVFHJ RJFS XKONR OSFHVX LVZ XMEAOSG VFMKNC JFLDTFGQ INMOBNOY FUS REIHL QDHI YSTBEN EY FLZX RZGE KXJY SEF VRXGKACNH JTXJMB DSQ BPYUTLBPZ EP RGE SKGKJ UCMAVZAXWCW KZX UMCLLME GQUIXZ
HFCGUZGYBNBD RVFHJ RJFS XKONR OSFHVX LVZ XMEAOSG VFMKNC JFLDTFGQ INMOBNOY FUS REIHL QDHI YSTBEN EY FLZX RZGE KXJY SEF VRXGKACNH JTXJMB DSQ BPYUTLBPZ EP RGE SKGKJ UCMAVZAXWCW KZX UMCLLME GQUIXZ
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
trithemius
trithemius
polyalphabetic
{ "type": "none", "value": null }
beginner
en
163
192
cipher_museum
2.0
public
null
null
sigaba-v3-0265
GDRTTZISEPSYSMLZEGMZMMBEORDASLXQKDUDVFGBPAZTXEJVVLVNFGJHLPWBZVHZJARGHVJ
GDRTTZISEPSYSMLZEGMZMMBEORDASLXQKDUDVFGBPAZTXEJVVLVNFGJHLPWBZVHZJARGHVJ
TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW
sigaba
sigaba
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
71
71
cipher_museum
2.0
public
null
null
straddling-checkerboard-v2-0152
28232370763728703742223822876
28232370763728703742223822876
KEEP YOUR POWDER DRY
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "LIONSTRACE" }
advanced
en
29
29
cipher_museum
2.0
public
null
null
confederate-vigenere-v2-0207
FJULDJNWZWPLJDRUZUGUFOAGIMCZABNUVBJLFVEHVXKSXOEVFNCSXGPLVVVPRWPLEYWPDMNQUXTVSFRVJ
FJULDJNWZWPLJDRUZUGUFOAGIMCZABNUVBJLFVEHVXKSXOEVFNCSXGPLVVVPRWPLEYWPDMNQUXTVSFRVJ
OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "RICHMOND" }
intermediate
en
81
81
cipher_museum
2.0
public
null
null
hist-jefferson-wheel-001
WXPBVKQZLNMDSHJFYEUOCGRAIT
WXPBVKQZLNMDSHJFYEUOCGRAIT
THE AMERICAN REPUBLIC
jefferson_disk
jefferson_disk
machine
{ "disks": 36, "key": "Jefferson standard ordering" }
expert
en
26
26
cipher_museum
0.2
public
null
null
sigaba-v2-0187
BGGTYTVFMXJWNYUHNAVNJFDRPCWSWTJVPFWMFEJUBTZRXZETHEAGLZSVUVVFWNFVIBDEWCQY
BGGTYTVFMXJWNYUHNAVNJFDRPCWSWTJVPFWMFEJUBTZRXZETHEAGLZSVUVVFWNFVIBDEWCQY
ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS
sigaba
sigaba
machine
{ "type": "seed", "value": "ARMY" }
expert
en
72
72
cipher_museum
2.0
public
null
null
fialka-192
MHHITNAGGAQWESNM
MHHITNAGGAQWESNM
CIPHER KEY CHANGED
fialka
fialka
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
16
16
cipher_museum
0.2
public
null
null
cda-0013329
16.5.14 16.29.14 19.2.4 16.31.9 4.44.9 9.49.13 14.27.9 4.23.12 5.29.3 1.50.2 3.28.12 2.10.14 17.14.1 15.32.10 19.26.7 10.8.7 16.40.6 20.17.13 12.7.12 8.15.10 19.28.2 20.20.7 12.10.13 6.8.4 16.10.8 6.35.8 8.24.14 16.20.2 16.19.6 3.25.4 11.34.14 6.23.15 12.23.13 3.39.5 16.44.6 15.8.8 2.7.1 16.12.14 19.45.1 11.30.12 6.2.1...
16.5.14 16.29.14 19.2.4 16.31.9 4.44.9 9.49.13 14.27.9 4.23.12 5.29.3 1.50.2 3.28.12 2.10.14 17.14.1 15.32.10 19.26.7 10.8.7 16.40.6 20.17.13 12.7.12 8.15.10 19.28.2 20.20.7 12.10.13 6.8.4 16.10.8 6.35.8 8.24.14 16.20.2 16.19.6 3.25.4 11.34.14 6.23.15 12.23.13 3.39.5 16.44.6 15.8.8 2.7.1 16.12.14 19.45.1 11.30.12 6.2.1...
AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS
book_cipher
book_cipher
null
{}
hard
en
93
93
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
four-square-v2-0468
SBRCUHGMGAKCRSHBLFTCSXNYCKZTLPGDGWAFTKCKDDLUGGHUZTLPQSRSKQTACGHKSSGDAFIKALDIGMIQHBHYRSEEZTFPLUUHAKQLOHSOUHISASALTBIATXHFRTMTQXIQAQAFAKPLKMAFRQRLGEMUOQIUTGFDHAIQQYKNALUQTRAS
SBRCUHGMGAKCRSHBLFTCSXNYCKZTLPGDGWAFTKCKDDLUGGHUZTLPQSRSKQTACGHKSSGDAFIKALDIGMIQHBHYRSEEZTFPLUUHAKQLOHSOUHISASALTBIATXHFRTMTQXIQAQAFAKPLKMAFRQRLGEMUOQIUTGFDHAIQQYKNALUQTRAS
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
four_square
four_square
polygraphic
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
172
172
cipher_museum
2.0
public
null
null
straddling-checkerboard-v2-0257
917312807612173169223
917312807612173169223
CAVALRY ADVANCES
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "RASTONICEL" }
advanced
en
21
21
cipher_museum
2.0
public
null
null
cda-0013983
sheedy ctaiin otain otedy sharal shor chedal okal shaiin shor ykcheol chol kaiiin shaiin qokal dal kaiiin qokeedy daiin ytaiin qotedy otedy ytaiin otedy shor shal otedy okeedy shedy ypchol qokeedy raiin okain sheedy okedy okshy okal otaiin choldaiin ytaiin
sheedy ctaiin otain otedy sharal shor chedal okal shaiin shor ykcheol chol kaiiin shaiin qokal dal kaiiin qokeedy daiin ytaiin qotedy otedy ytaiin otedy shor shal otedy okeedy shedy ypchol qokeedy raiin okain sheedy okedy okshy okal otaiin choldaiin ytaiin
KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY
voynich_render
voynich_render
null
{}
hard
en
217
217
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
chinese-telegraph-v2-0108
1672 0538 1421 0472 0792 0012 0729 0538 0156 0285 1421 0918 1672 0012 1255 0219 0856 0918 0856 0285 1672 0538 1421 0472 0156 0472 0012 1255 0538 1421 1821 0347 0918 1255 0012 0729 0729 1672 0538 1421 0472 0347 0538 1255 0792 0856 0285 1346 1346 0538 0856 1421 0472 0285 1255 0538 0408 0472 1421 0012 1346 0408 0918 0219 ...
1672 0538 1421 0472 0792 0012 0729 0538 0156 0285 1421 0918 1672 0012 1255 0219 0856 0918 0856 0285 1672 0538 1421 0472 0156 0472 0012 1255 0538 1421 1821 0347 0918 1255 0012 0729 0729 1672 0538 1421 0472 0347 0538 1255 0792 0856 0285 1346 1346 0538 0856 1421 0472 0285 1255 0538 0408 0472 1421 0012 1346 0408 0918 0219 ...
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
chinese_telegraph
chinese_telegraph
codebook
{ "type": "none", "value": null }
expert
en
572
714
cipher_museum
2.0
public
null
null
adfgx-v2-0229
AXDGDDGFAFAFDXGGDFFGAFADAXAGADGADFAFGXDAFADGDXDADAFDAAGAAFAAGAGDFFGXDXGGFAXDDXGFXDGFAFAGDFDXGXGDADAGFGXDFGDDAXXXAGFFDDAADDFGDGAAXDAGAFGDGAAAAFAADAGDGDDFGDDDDFDDDGAFXXDGDDFXDXAXGXAXDAADAFAAGAGFXFFAXAGXFAGXGDDAGDAGFGFGAAGFAGFXADFDDFGDAGDADDGDDDDADGAXAXGDDAAFXDGAFAAADAXGFXFFGAGDGXGDAFGAXDADFDFGXDXAFGGGAADFDADAAFADGGFDGGXG...
AXDGDDGFAFAFDXGGDFFGAFADAXAGADGADFAFGXDAFADGDXDADAFDAAGAAFAAGAGDFFGXDXGGFAXDDXGFXDGFAFAGDFDXGXGDADAGFGXDFGDDAXXXAGFFDDAADDFGDGAAXDAGAFGDGAAAAFAADAGDGDDFGDDDDFDDDGAFXXDGDDFXDXAXGXAXDAADAFAAGAGFXFFAXAGXFAGXGDDAGDAGFGFGAAGFAGFXADFDDFGDAGDADDGDDDDADGAXAXGDDAAFXDGAFAAADAXGFXFFGAGDGXGDAFGAXDADFDFGXDXAFGGGAADFDADAAFADGGFDGGXG...
THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS
adfgx
adfgx
fractionation
{ "polybius": "LIBERTY", "columnar": "FREEDOM" }
advanced
en
350
350
cipher_museum
2.0
public
null
null
wallis-cipher-v2-0172
90 67 44 18 15 91 90 54 53 91 90 84 81 91 90 47 91 90 66 18 27 63 91 90 45 58 47 15 91 90 23 44 54 75 58 91 90 67 76 91 90 73 18 30 77 91 90 47 91 90 55 85 40 63 91 90 12 89 91 90 18 81 16 91 90 25 45 44 76 20 91 90 66 47 74 63 91 90 23 85 79 30 41 91 90 53 27 76 77 30 91 90 18 40 91 90 53 67 63 76 15 91
90 67 44 18 15 91 90 54 53 91 90 84 81 91 90 47 91 90 66 18 27 63 91 90 45 58 47 15 91 90 23 44 54 75 58 91 90 67 76 91 90 73 18 30 77 91 90 47 91 90 55 85 40 63 91 90 12 89 91 90 18 81 16 91 90 25 45 44 76 20 91 90 66 47 74 63 91 90 23 85 79 30 41 91 90 53 27 76 77 30 91 90 18 40 91 90 53 67 63 76 15 91
WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "ENGLAND" }
expert
en
204
305
cipher_museum
2.0
public
null
null
rail-fence-v2-0725
TEIAHTDTATNENBRRCDCEYEEEGIVLBNTRPNELAIEHIOAIHAESNASCTTRABTSRHSDWASAAUIIKTINEMNSTCA
TEIAHTDTATNENBRRCDCEYEEEGIVLBNTRPNELAIEHIOAIHAESNASCTTRABTSRHSDWASAAUIIKTINEMNSTCA
THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 12 }
intermediate
en
82
82
cipher_museum
2.0
public
null
null
caesar-v2-1322
JXU BEHT YI CO IXUFXUHT Y IXQBB DEJ MQDJ XU CQAUJX CU BYU TEMD YD WHUUD FQIJKHUI RO IJYBB MQJUHI
JXU BEHT YI CO IXUFXUHT Y IXQBB DEJ MQDJ XU CQAUJX CU BYU TEMD YD WHUUD FQIJKHUI RO IJYBB MQJUHI
THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS
caesar
caesar
substitution
{ "type": "shift", "value": 16 }
beginner
en
77
96
cipher_museum
2.0
public
null
null
adfgvx-v2-0584
GDGADADFVDAGDFAAGDADDDFADDDXGGDXXDAVDDGFVGVXXXXFVVXVAAFAAGDADDDAAFGFGFDAFGADAGXVVFDVVVVVGXFDGXVGDFDFXDGXVDGVDDVXGFFVXFDVDVXGGVADFDDAADFAAFFFFDAAFDADGAAAAAFD
GDGADADFVDAGDFAAGDADDDFADDDXGGDXXDAVDDGFVGVXXXXFVVXVAAFAAGDADDDAAFGFGFDAFGADAGXVVFDVVVVVGXFDGXVGDFDFXDGXVDGVDDVXGFFVXFDVDVXGGVADFDDAADFAAFFFFDAAFDADGAAAAAFD
THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT
adfgvx
adfgvx
fractionation
{ "polybius": "KAISER", "columnar": "BERLIN" }
advanced
en
156
156
cipher_museum
2.0
public
null
null
cda-0014985
sharal raiin ytedy qokeedy dainy chol okshy otain raiin qokal kaiiin oror qokeedy sheol lkaiin okeedy ctaiin dal okshy choldaiin cheol ypchol oxed ctaiin shaiin daral chor cheol sheol cheol qotedy daiin ytaiin otaiin qokeedy kaiiin oxed qokal qokal dal daiin
sharal raiin ytedy qokeedy dainy chol okshy otain raiin qokal kaiiin oror qokeedy sheol lkaiin okeedy ctaiin dal okshy choldaiin cheol ypchol oxed ctaiin shaiin daral chor cheol sheol cheol qotedy daiin ytaiin otaiin qokeedy kaiiin oxed qokal qokal dal daiin
ATBASH ENCODES BY REVERSING THE ALPHABET PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS
voynich_render
voynich_render
null
{}
hard
en
218
218
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
cda-0010261
HJUWS WOJIU MTBUS GIRJX NZWZF DRTPR XUXVB NMEUB BHUTM KCOUZ JZINU VLTAS LKOEQ FHTTL FWYMO ZPTTJ PB
HJUWS WOJIU MTBUS GIRJX NZWZF DRTPR XUXVB NMEUB BHUTM KCOUZ JZINU VLTAS LKOEQ FHTTL FWYMO ZPTTJ PB
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY
trithemius
trithemius
null
{}
hard
en
82
82
synthetic_educational
null
null
[]
bazeries-v3-0604
MLYJHGDSNMGHDYNYIDMGSHOTLHELYROAJSXSFALXDSMYDGPYYLJGHMYFOGYMVSEHOGPBTGSLWL
MLYJHGDSNMGHDYNYIDMGSHOTLHELYROAJSXSFALXDSMYDGPYYLJGHMYFOGYMVSEHOGPBTGSLWL
NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY
bazeries
bazeries
transposition
{ "type": "integer", "value": 67 }
advanced
en
74
74
cipher_museum
2.0
public
null
null
cda-0002643
SMN ZKXYUE ZJLKUU EOPJTJSQ YJUAYWBJ VSYR SMN CMGAKAHZ AGJEIANHZ YSHBZT NLJUYNI QA UEGNJZQYC IKW RNWBBQWY
SMN ZKXYUE ZJLKUU EOPJTJSQ YJUAYWBJ VSYR SMN CMGAKAHZ AGJEIANHZ YSHBZT NLJUYNI QA UEGNJZQYC IKW RNWBBQWY
TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS ATBASH ENCODES BY REVERSING THE ALPHABET
beaufort
beaufort
null
{ "key": "LIBRARY" }
hard
en
90
90
synthetic_educational
null
null
[ "kasiski_examination", "friedman_test", "index_of_coincidence" ]
Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).
caesar-es-084
ET NGBHG ATVX ET YNXKST
ET NGBHG ATVX ET YNXKST
LA UNION HACE LA FUERZA
caesar
caesar
substitution
{ "type": "shift", "value": 19 }
beginner
es
19
23
cipher_museum
0.2
public
null
null
chaocipher-v3-0415
DNZYKHFMUDDYMIKEWZHZFTLFSSZNNJBMRKGAYVOSTWMIIXXLWOJBGCXSSKLMVVMCVPVDTLQQTQSBINKPMNUKCJWJFAMTWOHEEOWOAPGOOLKNIXMBRHYDKFIGGPEMOYRTYHBSWCRFUOHRKLBMEFRUVXXMTGGZXIUIKSPFJARMCSPXDRIVKUVQHB
DNZYKHFMUDDYMIKEWZHZFTLFSSZNNJBMRKGAYVOSTWMIIXXLWOJBGCXSSKLMVVMCVPVDTLQQTQSBINKPMNUKCJWJFAMTWOHEEOWOAPGOOLKNIXMBRHYDKFIGGPEMOYRTYHBSWCRFUOHRKLBMEFRUVXXMTGGZXIUIKSPFJARMCSPXDRIVKUVQHB
WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "JUSTICE" }
advanced
en
182
182
cipher_museum
2.0
public
null
null
cda-0008114
LAUIOEECDTZAAKGOSAFESRJWNBUSAIIOPHFRUXELWTSFLDLGOKUWJLHDATIKLHKJMMEZURTDMOMIOHLSQUNTHWZFEIIZOTFXETTRTVFPXA
LAUIOEECDTZAAKGOSAFESRJWNBUSAIIOPHFRUXELWTSFLDLGOKUWJLHDATIKLHKJMMEZURTDMOMIOHLSQUNTHWZFEIIZOTFXETTRTVFPXA
A STRONG CLAIM NEEDS STRONG EVIDENCE THE BEST LESSONS SHOW WHERE THE METHOD FAILS GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS
autokey
autokey
null
{ "primer": "LIBRARY" }
hard
en
106
106
synthetic_educational
null
null
[]
cardano-autokey-v2-0403
OKLMLUVNOZVZND
OKLMLUVNOZVZND
TRUST BUT VERIFY
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "VENICE" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
jefferson-disk-v3-0127
TOZCPDPZELJZXXGKJX
TOZCPDPZELJZXXGKJX
GRAVITY EXPLAINS ALL
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "6,1,4,2,5,3" }
expert
en
18
18
cipher_museum
2.0
public
null
null
wallis-cipher-v2-0041
90 81 60 52 91 90 55 61 87 10 91 90 22 60 33 55 10 56 63 24 91 90 28 43 91 90 34 42 55 91 90 39 89 52 82 91 90 42 31 10 54 85 91 90 23 81 26 56 91 90 86 89 49 91 90 61 54 87 53 21 91 90 55 23 81 10 91 90 55 42 60 82 91
90 81 60 52 91 90 55 61 87 10 91 90 22 60 33 55 10 56 63 24 91 90 28 43 91 90 34 42 55 91 90 39 89 52 82 91 90 42 31 10 54 85 91 90 23 81 26 56 91 90 86 89 49 91 90 61 54 87 53 21 91 90 55 23 81 10 91 90 55 42 60 82 91
ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "OXFORD" }
expert
en
146
218
cipher_museum
2.0
public
null
null
vigenere-124
TMCKIQXWJZEKOQSUMXJB
TMCKIQXWJZEKOQSUMXJB
RENDEZVOUS AT MIDNIGHT
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
20
20
cipher_museum
0.2
public
null
null
cda-0020226
-.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - ......
-.-. .-. -.-- .--. - --- --. .-. .- .--. .... -.-- / .-. . .-- .- .-. -.. ... / .--. .- - .. . -. -.-. . / .- -. -.. / -.-. .- .-. . ..-. ..- .-.. / - .... .. -. -.- .. -. --. / - .-. .- -. ... .--. --- ... .. - .. --- -. / -.-. .. .--. .... . .-. ... / .-. . .- .-. .-. .- -. --. . / .-.. . - - . .-. ... / .-- .. - ......
CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES TODAY
morse_code
morse_code
null
{}
hard
en
201
201
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
trifid-v2-0266
OWHHLEIJMAIJAO
OWHHLEIJMAIJAO
PRESS THE ATTACK
trifid
trifid
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
venona-pad-reuse-v2-0250
7DSVR3VYMKPZV4GKFHVCQ6MCBA5UIMDVJ4LPLHAA7YGMMMX7YYZBBU32DFCMTTLP2SDRA4GMN46TVSMQHZGQZAPJDTJPKPJTXVYZBXVQYYKBPR3KJGMBZCUDFHXWX3PKFLC3WGGOAATLDGMB7CLD3VHVUYZ2VGTX4IMC
7DSVR3VYMKPZV4GKFHVCQ6MCBA5UIMDVJ4LPLHAA7YGMMMX7YYZBBU32DFCMTTLP2SDRA4GMN46TVSMQHZGQZAPJDTJPKPJTXVYZBXVQYYKBPR3KJGMBZCUDFHXWX3PKFLC3WGGOAATLDGMB7CLD3VHVUYZ2VGTX4IMC
ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "LIBERTY" }
expert
en
164
164
cipher_museum
2.0
public
null
null
great-cipher-v3-0029
108 144 122 124 142 172 145 178 124 166 165 129 171
108 144 122 124 142 172 145 178 124 166 165 129 171
THE REDCOATS ARE COMING
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "VERSAILLES" }
expert
en
39
51
cipher_museum
2.0
public
null
null
sigaba-v3-0415
QFOTIIXPVXOFCEJRZWIXDAQEGOIJKMYQUMDZKNDCHOIJNQVMCUSKMAYFOVURABEPNSBJSDXKLCWLKBFDKQZYQFYSQHSQZTYZHMBRHNFFFSDOBIBHMHUWAXFHMELPMGZUDPOKTJKRUBAWOYHMOKLRBMOFZOJEQODRGQEGIKQPEJHWYBMQJMABXH
QFOTIIXPVXOFCEJRZWIXDAQEGOIJKMYQUMDZKNDCHOIJNQVMCUSKMAYFOVURABEPNSBJSDXKLCWLKBFDKQZYQFYSQHSQZTYZHMBRHNFFFSDOBIBHMHUWAXFHMELPMGZUDPOKTJKRUBAWOYHMOKLRBMOFZOJEQODRGQEGIKQPEJHWYBMQJMABXH
WILLIAM FRIEDMAN WHO BROKE THE JAPANESE PURPLE CIPHER MACHINE BEFORE THE SECOND WORLD WAR ALSO COINED THE TERM CRYPTANALYSIS AND SPENT HIS CAREER AT THE SIGNALS INTELLIGENCE SERVICE BUILDING AMERICAN CODEBREAKING
sigaba
sigaba
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
182
182
cipher_museum
2.0
public
null
null
monoalphabetic-v3-0259
TWL QLDGS GEVOQBOG EK D YOIILW WLLG DKG SLQQY E ALUIG KLT TQDVOI RLTC DKG RO LKO TQDVOIOQ
TWL QLDGS GEVOQBOG EK D YOIILW WLLG DKG SLQQY E ALUIG KLT TQDVOI RLTC DKG RO LKO TQDVOIOQ
TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "DRAGON" }
beginner
en
72
89
cipher_museum
2.0
public
null
null
cda-0004137
XEKFT PTSMO KDOHS VBMRT BGMUJ PBUTN HLHZE ECWHK HJUAZ GEJLE VBPES AVBVN PEEXJ SVFLB KLOUA HVLYV CFVLC EFRQF QUSOC XVTLH YDWFH NRVXV VWEXX ZFAII NBRAZ DBXVU ZTHHR YIMDL NGGZH APRXS IVIVW NIWXM QBEMK MTC
XEKFT PTSMO KDOHS VBMRT BGMUJ PBUTN HLHZE ECWHK HJUAZ GEJLE VBPES AVBVN PEEXJ SVFLB KLOUA HVLYV CFVLC EFRQF QUSOC XVTLH YDWFH NRVXV VWEXX ZFAII NBRAZ DBXVU ZTHHR YIMDL NGGZH APRXS IVIVW NIWXM QBEMK MTC
FAIL CLOSED IS A POSTURE NOT A SLOGAN PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN
autokey
autokey
null
{ "primer": "SECURE" }
hard
en
168
168
synthetic_educational
null
null
[ "running_key_analysis", "index_of_coincidence" ]
Autokey: Vigenère where the plaintext extends the key — harder to Kasiski-attack.
four-square-v2-0357
SBOLAMTASADLAY
SBOLAMTASADLAY
THE PASS IS HELD
four_square
four_square
polygraphic
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
nihilist-v3-0059
35 37 56 86 37 30 56 35 88 69 28 28 52 36 69 88 34 57 52 36 56 66 28 46 55 56 79 88 38 30 72 24 57 57 28 69 56 35 66 59 25 59 46 54 79 66 28 59 46 27 87 75 66 40 66 46 66 86 28 37 42 54 56 95 28 29 33 63 56 57 44 30 63 55
35 37 56 86 37 30 56 35 88 69 28 28 52 36 69 88 34 57 52 36 56 66 28 46 55 56 79 88 38 30 72 24 57 57 28 69 56 35 66 59 25 59 46 54 79 66 28 59 46 27 87 75 66 40 66 46 66 86 28 37 42 54 56 95 28 29 33 63 56 57 44 30 63 55
CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS
nihilist
nihilist
fractionation
{ "polybius": "PALACE", "keyword": "BATTLE" }
advanced
en
148
221
cipher_museum
2.0
public
null
null
chinese-telegraph-v3-0213
5488 5060 5645 4998 4361 5563 4614 4427 5563 5397 5645 4934 5166 4427 5563 5488
5488 5060 5645 4998 4361 5563 4614 4427 5563 5397 5645 4934 5166 4427 5563 5488
SOUND THE TRUMPETS
chinese_telegraph
chinese_telegraph
codebook
{ "type": "additive", "value": "14142" }
expert
en
64
79
cipher_museum
2.0
public
null
null
columnar-transposition-v2-0761
LNVVAACASYERCAD
LNVVAACASYERCAD
CAVALRY ADVANCES
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
15
15
cipher_museum
2.0
public
null
null
alberti-disk-v2-0728
NHNLIQDEKLFMKRCFYLWLTECOSMUGSEPIAVCTVZXEVBJSYJHFKJVKQKXIILQPROPHELUJRRVORHWOUN
NHNLIQDEKLFMKRCFYLWLTECOSMUGSEPIAVCTVZXEVBJSYJHFKJVKQKXIILQPROPHELUJRRVORHWOUN
LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 14 }
expert
en
78
78
cipher_museum
2.0
public
null
null
playfair-v3-0648
OXIUESNXRPDRANBQPRLMABRURPRODMNXHIGVQIOCURPRENNQTERPQIEBMLXOHDBPFHLEOQILGFXTVPQFTXGWQIHOFWHDPMFENWLPENOLABOVQVKHPOQTALSRFHLEWGNCPOQDXFLEHTBXRQILRKHOFTXROVNPFHMENW
OXIUESNXRPDRANBQPRLMABRURPRODMNXHIGVQIOCURPRENNQTERPQIEBMLXOHDBPFHLEOQILGFXTVPQFTXGWQIHOFWHDPMFENWLPENOLABOVQVKHPOQTALSRFHLEWGNCPOQDXFLEHTBXRQILRKHOFTXROVNPFHMENW
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
playfair
playfair
polygraphic
{ "type": "keyword", "value": "TRIUMPH" }
intermediate
en
162
162
cipher_museum
2.0
public
null
null
adfgx-v2-0635
FDFFDFGGFAFAADGGFFXGAGFGGAGAAGADGAGDXGAGGDFGAFGFAAGAGGAGDFADXGDXAAFAGFFAFDAXDAXDDFFXGXAADFDGAGAGFADAFGAFGAXGFDGADDGFDAXDFGAGFFGFFAAAGAAGGFAAAFDFGFDX
FDFFDFGGFAFAADGGFFXGAGFGGAGAAGADGAGDXGAGGDFGAFGFAAGAGGAGDFADXGDXAAFAGFFAFDAXDAXDDFFXGXAADFDGAGAGFADAFGAFGAXGFDGADDGFDAXDFGAGFFGFFAAAGAAGGFAAAFDFGFDX
GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW
adfgx
adfgx
fractionation
{ "polybius": "KAISER", "columnar": "BERLIN" }
advanced
en
148
148
cipher_museum
2.0
public
null
null
nihilist-093
65 57 94 30 79 49 67 57 66 30 66 78 88 86 64 46 57 85 49 79 58 39 60 56 78 59 86 37 57 58 47 67 87 36 57 45 66 59 58 50 66 88
65 57 94 30 79 49 67 57 66 30 66 78 88 86 64 46 57 85 49 79 58 39 60 56 78 59 86 37 57 58 47 67 87 36 57 45 66 59 58 50 66 88
GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY
nihilist
nihilist
fractionation
{ "polybius": "CIPHER", "keyword": "MUSEUM" }
advanced
en
84
125
cipher_museum
0.2
public
null
null
lorenz-v2-0051
GENERALGRANTHASTAKENVICKWBURGTHEHREATVIVERISNOWOPENFRKMITSSOURCETOTHESEA
GENERALGRANTHASTAKENVICKWBURGTHEHREATVIVERISNOWOPENFRKMITSSOURCETOTHESEA
GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA
lorenz
lorenz
machine
{ "type": "seed", "value": "TUNNY" }
expert
en
72
72
cipher_museum
2.0
public
null
null
typex-105
VQZTVGKHONDYGOMOHYOKFRSCZXEEMDFNUYVUJYPUNVGQBN
VQZTVGKHONDYGOMOHYOKFRSCZXEEMDFNUYVUJYPUNVGQBN
I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW
typex
typex
machine
{ "type": "keyword", "value": "BLETCHLEY" }
expert
en
46
46
cipher_museum
0.2
public
null
null
jefferson-disk-v3-0067
RKHAMBRYSHGQLEYXCGYYADYOOZYOUILMRHZBQFHUEXQEYQXQYYMUAILQCZZGYZDGJBBQIHPGC
RKHAMBRYSHGQLEYXCGYYADYOOZYOUILMRHZBQFHUEXQEYQXQYYMUAILQCZZGYZDGJBBQIHPGC
WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "4,2,6,1,3,5" }
expert
en
73
73
cipher_museum
2.0
public
null
null
cda-0011755
RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA
RAGEBCL ZRNFHERF HAPREGNVAGL VA N QVFGEVOHGVBA
ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION
rot13
rot13
null
{ "shift": 13 }
medium
en
41
41
synthetic_educational
null
null
[]
cda-0014474
846 862 804 834 826 807 999 825 841 817 853 801 856 858 853 861 807 859 861 852 814 999 809 814 856 813 853 863 813 856 999 808 802 851 813 815 862 834 999 809 813 854 824 820 841 999 853 842 860 857 812 999 806 825 845 821 814 853 854 999 852 814 801 811 999 800 999 818 853 825 809 999 826 839 999 802 999 847 853 814 ...
846 862 804 834 826 807 999 825 841 817 853 801 856 858 853 861 807 859 861 852 814 999 809 814 856 813 853 863 813 856 999 808 802 851 813 815 862 834 999 809 813 854 824 820 841 999 853 842 860 857 812 999 806 825 845 821 814 853 854 999 852 814 801 811 999 800 999 818 853 825 809 999 826 839 999 802 999 847 853 814 ...
PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE
culper_ring
culper_ring
null
{}
hard
en
188
188
synthetic_educational
null
null
[ "codebook_frequency", "number_range_analysis" ]
Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
monoalphabetic-v2-0932
CLLR KECDT CLLR KECDT MHQTEKC ES SUND SWAAT SLQQLW TDHT E SDHII SHY CLLR KECDT TEII JLQQLW
CLLR KECDT CLLR KECDT MHQTEKC ES SUND SWAAT SLQQLW TDHT E SDHII SHY CLLR KECDT TEII JLQQLW
GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "HONOR" }
beginner
en
74
90
cipher_museum
2.0
public
null
null
cda-0017089
2878 04465 1342 01607 07607 04720 01972 01021 4722 02872 04419 0944 02827 01313 1624 04461 00952 01630 4124 01609 00334 06034 6597 05736 01629 6048 03791 1613 6303 06336 1603 5694 1932 05684 01596 5347 6684 01656 04489 1022 7922 1308 02868 06029 06374 05696 2855 00719 6638 6352 02877 04714 4439 6367 02551 01610 5074 38...
2878 04465 1342 01607 07607 04720 01972 01021 4722 02872 04419 0944 02827 01313 1624 04461 00952 01630 4124 01609 00334 06034 6597 05736 01629 6048 03791 1613 6303 06336 1603 5694 1932 05684 01596 5347 6684 01656 04489 1022 7922 1308 02868 06029 06374 05696 2855 00719 6638 6352 02877 04714 4439 6367 02551 01610 5074 38...
INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN
zimmermann
zimmermann
null
{}
hard
en
223
223
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
porta-294
BWQPGZNGZBDCKFZTGALLSRSQHPOMGMIGWQBZTFYWXAMSUCNTKEXHSNJSSEOYKZ
BWQPGZNGZBDCKFZTGALLSRSQHPOMGMIGWQBZTFYWXAMSUCNTKEXHSNJSSEOYKZ
THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE
porta
porta
polyalphabetic
{ "type": "keyword", "value": "KEYWORD" }
intermediate
en
62
62
cipher_museum
0.2
public
null
null
cda-0017921
... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ...
... .... ... ..... . ..... ... ... .... ... ... .... .... ..... .... .. . ... . ..... .... .... ... .... ... .... ... . .... ... . . ... . ... . ... .... ..... .. .. .... ... ... . .... . ..... ... ..... . ..... ... ... . .... . ..... ... ... .... .... ..... . . ..... .... .. .. .... ...
OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER
tap_code
tap_code
null
{}
hard
en
187
187
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.
fialka-v2-0352
VEMRZGJRJKGGMUTECUNHBBIXYDGVNADQXMQZCCGKTFDWDHQZKDAUMICWLWXUVZZZMAVWF
VEMRZGJRJKGGMUTECUNHBBIXYDGVNADQXMQZCCGKTFDWDHQZKDAUMICWLWXUVZZZMAVWF
LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO
fialka
fialka
machine
{ "type": "seed", "value": "SOVIET" }
expert
en
69
69
cipher_museum
2.0
public
null
null
null-cipher-v3-0073
that each have outc to him help sraa this this help too outi down it its about water aeiu before
that each have outc to him help sraa this this help too outi down it its about water aeiu before
THE COMPASS POINTS TRUE
null_cipher
null_cipher
steganography
{ "type": "position", "value": "last" }
advanced
en
77
96
cipher_museum
2.0
public
null
null
diana-v3-0584
DQFPRCTUUZAUPTFRZMEJXBDPTRQGBHSQILWWOAXEYPJSBFQKZSUFREXQYJEXAPYQNOSRYEZGYA
DQFPRCTUUZAUPTFRZMEJXBDPTRQGBHSQILWWOAXEYPJSBFQKZSUFREXQYJEXAPYQNOSRYEZGYA
GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT
diana
diana
polyalphabetic
{ "type": "keyword", "value": "JUSTICE" }
intermediate
en
74
74
cipher_museum
2.0
public
null
null
zimmermann-v2-0126
99999 90022 90004 99998 00000 00058 00001 00000 00106 00107 00004 99999 90014 90017 90003 90004 90017 99998 00003 99999 90005 90014 90017 90012 99998 00005 99999 90012 90014 90017 90004 99998 99999 90015 90004 90017 90005 90004 90002 90019 99998 99999 90020 90013 90008 90014 90013 99998 99999 90004 90018 90019 90000 90...
99999 90022 90004 99998 00000 00058 00001 00000 00106 00107 00004 99999 90014 90017 90003 90004 90017 99998 00003 99999 90005 90014 90017 90012 99998 00005 99999 90012 90014 90017 90004 99998 99999 90015 90004 90017 90005 90004 90002 90019 99998 99999 90020 90013 90008 90014 90013 99998 99999 90004 90018 90019 90000 90...
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
zimmermann
zimmermann
codebook
{ "type": "none", "value": null }
expert
en
930
1,115
cipher_museum
2.0
public
null
null
rail-fence-vg-0095
CWHOSTYAOROTEYUTSSABHHNMUROLDRHHEBDITDMOKTONTGAELESAIYSNRAHULBIHGETUDOLSR
CWHOSTYAOROTEYUTSSABHHNMUROLDRHHEBDITDMOKTONTGAELESAIYSNRAHULBIHGETUDOLSR
COMMIT YOUR WORKS UNTO THE LORD AND YOUR THOUGHTS SHALL BE ESTABLISHED BY HIS GREAT HAND
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 6 }
intermediate
en
73
73
cipher_museum
2.0
public
null
null
cardano-autokey-v3-0271
FBQGDYRALELWTMHITFTGWDLNQHHRBSNDZRBFDMNQBZFECJLWAVGALKXVETXWLLWEBPFERMVIVSAWB
FBQGDYRALELWTMHITFTGWDLNQHHRBSNDZRBFDMNQBZFECJLWAVGALKXVETXWLLWEBPFERMVIVSAWB
ON D DAY THE ALLIED FORCES LANDED ON FIVE NORMANDY BEACHES IN THE GREATEST SEABORNE INVASION
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "ROME" }
advanced
en
77
77
cipher_museum
2.0
public
null
null
vigenere-598
XLENMSIMIIRYKCIXZIEUYCIWSMNETFNABXSIJJVKZIDIICREMXONMSXEPVYIKUFWGSRNMSVTSXHCXHYXMSRXXOEWULEZZZCGFWSNMSIXPJTBJKFKMHAHIHYXZXHUYRNXMPTBJFVBO
XLENMSIMIIRYKCIXZIEUYCIWSMNETFNABXSIJJVKZIDIICREMXONMSXEPVYIKUFWGSRNMSVTSXHCXHYXMSRXXOEWULEZZZCGFWSNMSIXPJTBJKFKMHAHIHYXZXHUYRNXMPTBJFVBO
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
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "BEAUFORT" }
intermediate
en
137
137
cipher_museum
0.2
public
null
null