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2.11k
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stringlengths
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282
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81 values
cipher
stringclasses
81 values
cipher_family
stringclasses
13 values
key
unknown
difficulty
stringclasses
7 values
language
stringclasses
8 values
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int64
6
1.09k
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int64
6
1.28k
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2 values
dataset_version
stringclasses
2 values
split
stringclasses
1 value
attack_methods
listlengths
0
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educational_note
stringclasses
32 values
solitaire-v2-0365
BRNMQJCIAVOOXGGHKAJFFJDANVOJQZWUDOWALFQEILZTRZMNPUDTEVALNQVTVTCUVSLKEAEBEHDGDJDPYCBOOEMHIKRPXDTDOGMOVQJAXXRFWYPUTPPQDGWKONUPMRUNNEXGDQUTJROVKIYKABFUHGOFARCSTNFRXDYWRIFOG
BRNMQJCIAVOOXGGHKAJFFJDANVOJQZWUDOWALFQEILZTRZMNPUDTEVALNQVTVTCUVSLKEAEBEHDGDJDPYCBOOEMHIKRPXDTDOGMOVQJAXXRFWYPUTPPQDGWKONUPMRUNNEXGDQUTJROVKIYKABFUHGOFARCSTNFRXDYWRIFOG
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
solitaire
solitaire
stream
{ "type": "passphrase", "value": "PONTIFEX" }
expert
en
169
169
cipher_museum
2.0
public
null
null
enigma-v3-0117
MQBFPRXKHHBJQZZSDTSAG
MQBFPRXKHHBJQZZSDTSAG
THE CASTLE IS SURROUNDED
enigma
enigma
machine
{ "type": "rotor_start", "value": "DEF" }
expert
en
21
21
cipher_museum
2.0
public
null
null
gronsfeld-v3-0919
WIIFTLHQBSDDLJTHIEEGQBWUXROSNOFBPOAPCISUIQSTYLCPFYHUXJTJTQBQLOKJZVFINAQCVFGNBFMK
WIIFTLHQBSDDLJTHIEEGQBWUXROSNOFBPOAPCISUIQSTYLCPFYHUXJTJTQBQLOKJZVFINAQCVFGNBFMK
THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "31416" }
intermediate
en
80
80
cipher_museum
2.0
public
null
null
confederate-vigenere-v3-0559
OPGOPQYIOHMPDUPHWOMUU
OPGOPQYIOHMPDUPHWOMUU
THE EXPERIMENT CONFIRMS
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "VICKSBURG" }
intermediate
en
21
21
cipher_museum
2.0
public
null
null
cda-0012807
BDDN UWJM JAPI QDMH NKJI QZZG ENFG CNGF DSIF ETOH LJZC RZAF AGOV HQPC VFWY OBXA VXOH ILPV KVSL OIXS BZIS SYRF KVDD ZYJQ FWVW PCHW QPJI ICVT
BDDN UWJM JAPI QDMH NKJI QZZG ENFG CNGF DSIF ETOH LJZC RZAF AGOV HQPC VFWY OBXA VXOH ILPV KVSL OIXS BZIS SYRF KVDD ZYJQ FWVW PCHW QPJI ICVT
FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE MESSAGE WAS HIDDEN BUT NOT SECURE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY
vernam
vernam
null
{}
hard
en
112
112
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
slidex-v3-0125
SSNAULIQHTFUUCHBDLAVTQMPYO
SSNAULIQHTFUUCHBDLAVTQMPYO
THE PRINTING PRESS CHANGES ALL
slidex
slidex
transposition
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
26
26
cipher_museum
2.0
public
null
null
straddling-checkerboard-v2-0274
218738212216219567172220
218738212216219567172220
DIVIDE AND CONQUER
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "RASTONICEL" }
advanced
en
24
24
cipher_museum
2.0
public
null
null
beaufort-v3-0810
AAZJJOAKWFPPHGCEICMHSGXIXLOQJGZJAFOKVMOPKAVCICHENLKBHUKEPAVAJELUNEWSFMJHIKJOOYRIYYKAY
AAZJJOAKWFPPHGCEICMHSGXIXLOQJGZJAFOKVMOPKAVCICHENLKBHUKEPAVAJELUNEWSFMJHIKJOOYRIYYKAY
CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "COMPASS" }
intermediate
en
85
85
cipher_museum
2.0
public
null
null
vic-v2-0363
5838989834866808045878583898223
5838989834866808045878583898223
MISSION ACCOMPLISHED
vic
vic
substitution
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
31
31
cipher_museum
2.0
public
null
null
cda-0014852
qokal shor raiin dal chedy sheol shal shaiin otaiin qotedy oxed rcheol chor choldaiin shedy shedy
qokal shor raiin dal chedy sheol shal shaiin otaiin qotedy oxed rcheol chor choldaiin shedy shedy
AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER
voynich_render
voynich_render
null
{}
hard
en
82
82
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
nihilist-v2-0011
65 24 86 68 28 59 33 26 85 89 44 57 36 34
65 24 86 68 28 59 33 26 85 89 44 57 36 34
TARGET ACQUIRED
nihilist
nihilist
fractionation
{ "polybius": "PALACE", "keyword": "BATTLE" }
advanced
en
28
41
cipher_museum
2.0
public
null
null
beaufort-v3-0889
UQHGPFRFLRTHKDJGBGRUXJZYFHUWJNBONTSNRFGGRTJBJPSNTCMWFQNCGYLGQWEUWBGUAAR
UQHGPFRFLRTHKDJGBGRUXJZYFHUWJNBONTSNRFGGRTJBJPSNTCMWFQNCGYLGQWEUWBGUAAR
TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "NEPTUNE" }
intermediate
en
71
71
cipher_museum
2.0
public
null
null
cda-0019684
chor rcheol choldaiin chedy ypchol shal oror lkaiin okain okshy chol oxed qokedy
chor rcheol choldaiin chedy ypchol shal oror lkaiin okain okshy chol oxed qokedy
ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION
voynich_render
voynich_render
null
{}
medium
en
68
68
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
cda-0009809
FCITTHABDEENPRHPLIAOISBTHHAXESRXOYESSEEATT
FCITTHABDEENPRHPLIAOISBTHHAXESRXOYESSEEATT
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS
double_transposition
double_transposition
null
{ "key1": "MUSEUM", "key2": "PALACE" }
medium
en
42
42
synthetic_educational
null
null
[]
caesar-v3-1363
XSB JXOFX DOXQFX MIBKX
XSB JXOFX DOXQFX MIBKX
AVE MARIA GRATIA PLENA
caesar
caesar
substitution
{ "type": "shift", "value": 23 }
beginner
en
19
22
cipher_museum
2.0
public
null
null
playfair-v2-1082
SDQLFBEFIBHBATWHESDAZY
SDQLFBEFIBHBATWHESDAZY
PATIENCE BRINGS VICTORY
playfair
playfair
polygraphic
{ "type": "keyword", "value": "DRAGON" }
intermediate
en
22
22
cipher_museum
2.0
public
null
null
cda-0012581
AABBB BAABB ABABB AAAAA ABBAA BAAAA AABAA AAAAA AAABB AAAAA AAAAB ABABA AABAA ABBAB BAABB BAABA ABBBA BAABB BAABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA AAAAA ABABA ABABA BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA BAAAB BAABA AABAA ABBBA BAAAB AABBB ABBAB ABBAA AABAA BAAAB BAABA ABABA BA...
AABBB BAABB ABABB AAAAA ABBAA BAAAA AABAA AAAAA AAABB AAAAA AAAAB ABABA AABAA ABBAB BAABB BAABA ABBBA BAABB BAABA BAAAB AABBB ABBAB BAABB ABABA AAABB BAAAB AABBB ABBAB BABAA AAAAA ABABA ABABA BAAAA AABAA AAAAA BAAAB ABBAB ABBAA ABAAA ABBAA AABBA BAAAB BAABA AABAA ABBBA BAAAB AABBB ABBAB ABBAA AABAA BAAAB BAABA ABABA BA...
HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS HONESTLY
bacon_cipher
bacon_cipher
null
{}
hard
en
270
270
synthetic_educational
null
null
[ "five_bit_decode", "ab_frequency_analysis" ]
Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.
cda-0011092
HUR PRFF ZNFFBAE GUBJ JVSFN GVR ZSHUBR SOWZF
HUR PRFF ZNFFBAE GUBJ JVSFN GVR ZSHUBR SOWZF
THE BEST LESSONS SHOW WHERE THE METHOD FAILS
porta
porta
null
{ "key": "LIBRARY" }
medium
en
37
37
synthetic_educational
null
null
[]
kama-sutra-v2-0244
XEE JXSE HU MHZHMLM HQWC WIYLL BXYWU CQL CK TIHOI WIL PLEJXL HQIXPHW WIL XNSHWXQH XQCWILY XQM WIL WIHYM WICUL TIC HQ WILHY CTQ EXQJSXJL XYL OXEELM OLEWU HQ CSYU JXSEU
XEE JXSE HU MHZHMLM HQWC WIYLL BXYWU CQL CK TIHOI WIL PLEJXL HQIXPHW WIL XNSHWXQH XQCWILY XQM WIL WIHYM WICUL TIC HQ WILHY CTQ EXQJSXJL XYL OXEELM OLEWU HQ CSYU JXSEU
ALL GAUL IS DIVIDED INTO THREE PARTS ONE OF WHICH THE BELGAE INHABIT THE AQUITANI ANOTHER AND THE THIRD THOSE WHO IN THEIR OWN LANGUAGE ARE CALLED CELTS IN OURS GAULS
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "VATSYANA" }
intermediate
en
136
166
cipher_museum
2.0
public
null
null
vigenere-082
SACZXYMVVYIKGVFVVL
SACZXYMVVYIKGVFVVL
AWAIT FURTHER ORDERS
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "SECRET" }
intermediate
en
18
18
cipher_museum
0.2
public
null
null
cda-0015078
76 67 50 23 34 79 27 67 96 23 22 79 49 62 48 70 21 33 87 72 4 33 43 67 33 46 76 58 33 35 45 81 61 93 64 23 81 35 22 25 88 23 4 22 11 11 82 57 33 78 1 50 88 66 62 62 33 99 67 14 91 81 26 91 11 22 87 32 58 22 63 82 25 91 23 34 81 86 72 58 64 50 88 48 96 63 67 34 48 2 80 4 26 99 26 27 39 63 94 27 67 48 60 93 87 50 14 67 1...
76 67 50 23 34 79 27 67 96 23 22 79 49 62 48 70 21 33 87 72 4 33 43 67 33 46 76 58 33 35 45 81 61 93 64 23 81 35 22 25 88 23 4 22 11 11 82 57 33 78 1 50 88 66 62 62 33 99 67 14 91 81 26 91 11 22 87 32 58 22 63 82 25 91 23 34 81 86 72 58 64 50 88 48 96 63 67 34 48 2 80 4 26 99 26 27 39 63 94 27 67 48 60 93 87 50 14 67 1...
OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE MESSAGE WAS HIDDEN BUT NOT SECURE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN PERHAPS
homophonic
homophonic
null
{}
hard
en
174
174
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
cda-0017635
1 60 67 27 50 88 23 81 87 76 62 48 11 67 41 34 48 79 48 58 11 66 81 57 91 94 22 27 39 63 94 1 67 22 68 82 43 87 92 60 1 39 48 59 11 27 34 26 52 32 43 48 52 67 41 50 63 1 3 60 1 70 50 25 45 22 81 87 34 41 63 91 4 33 11 50 27 57 48 11 94 49 30 30 87 66 63 94 33 34 32 11 23 43 39 59 70 22 82 34 27 96 57 33 67 3 27 68 26 4...
1 60 67 27 50 88 23 81 87 76 62 48 11 67 41 34 48 79 48 58 11 66 81 57 91 94 22 27 39 63 94 1 67 22 68 82 43 87 92 60 1 39 48 59 11 27 34 26 52 32 43 48 52 67 41 50 63 1 3 60 1 70 50 25 45 22 81 87 34 41 63 91 4 33 11 50 27 57 48 11 94 49 30 30 87 66 63 94 33 34 32 11 23 43 39 59 70 22 82 34 27 96 57 33 67 3 27 68 26 4...
ATBASH ENCODES BY REVERSING THE ALPHABET A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS
homophonic
homophonic
null
{}
hard
en
131
131
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
polybius-v3-0062
22 15 33 15 42 11 31 35 11 44 44 34 33 31 15 14 44 23 15 44 23 24 42 14 11 42 32 54 24 33 11 14 11 42 24 33 22 43 52 15 15 35 11 13 42 34 43 43 21 42 11 33 13 15 21 34 31 31 34 52 24 33 22 44 23 15 12 42 15 11 25 34 45 44
22 15 33 15 42 11 31 35 11 44 44 34 33 31 15 14 44 23 15 44 23 24 42 14 11 42 32 54 24 33 11 14 11 42 24 33 22 43 52 15 15 35 11 13 42 34 43 43 21 42 11 33 13 15 21 34 31 31 34 52 24 33 22 44 23 15 12 42 15 11 25 34 45 44
GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT
polybius
polybius
substitution
{ "type": "none", "value": null }
beginner
en
148
221
cipher_museum
2.0
public
null
null
confederate-vigenere-v2-0419
SEZGLWTRWAMHRVOIDYGMUBPZOQEWGVNZAYZFZXOEHPHLELHZQ
SEZGLWTRWAMHRVOIDYGMUBPZOQEWGVNZAYZFZXOEHPHLELHZQ
ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "STONEWALL" }
intermediate
en
49
49
cipher_museum
2.0
public
null
null
cda-0017431
DIFF ZEAN DHEL LMAN INTR ODUC EDPU BLIC KEZC RYPT OGRA ZHYI NZIN ETEE NSEV ENTY SIXT HZME SSAG EWAS HIDD XNBU TZOT SECU RETZ EVIG ENER ECIP HERU SESA REPE ZTIN GKEY WORD ZBCA
DIFF ZEAN DHEL LMAN INTR ODUC EDPU BLIC KEZC RYPT OGRA ZHYI NZIN ETEE NSEV ENTY SIXT HZME SSAG EWAS HIDD XNBU TZOT SECU RETZ EVIG ENER ECIP HERU SESA REPE ZTIN GKEY WORD ZBCA
DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE MESSAGE WAS HIDDEN BUT NOT SECURE THE VIGENERE CIPHER USES A REPEATING KEYWORD
commercial_code
commercial_code
null
{}
hard
en
140
140
synthetic_educational
null
null
[ "codebook_frequency", "five_letter_group_analysis" ]
Commercial code: five-letter groups from a codebook, often ending in X or Z.
two-square-v2-0453
QNERBKHOENQYILINOLAFTSPOSISKONTDSKIBCKNFRCCEHCNTSARRHWNKROHDHEEAPUERNCDSKCFTPOPUHEDR
QNERBKHOENQYILINOLAFTSPOSISKONTDSKIBCKNFRCCEHCNTSARRHWNKROHDHEEAPUERNCDSKCFTPOPUHEDR
THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE
two_square
two_square
polygraphic
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
84
84
cipher_museum
2.0
public
null
null
bifid-v3-0190
KROETFTRSMMXAAMVTDMGBVSGVRFSMTHNHIGONGPFKFCPRORFEFGDGSGMHFYHKOSRRFBGOQGANRFOGSTHMOHNVVWUWNUCXPOCDCATCDRZYDAKSNLHKVOXZADULXHNDBRZNWKSRSKCHCAUIWHZHNNVDWOIZODNWIKORWDM
KROETFTRSMMXAAMVTDMGBVSGVRFSMTHNHIGONGPFKFCPRORFEFGDGSGMHFYHKOSRRFBGOQGANRFOGSTHMOHNVVWUWNUCXPOCDCATCDRZYDAKSNLHKVOXZADULXHNDBRZNWKSRSKCHCAUIWHZHNNVDWOIZODNWIKORWDM
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
bifid
bifid
fractionation
{ "type": "keyword", "value": "FORTRESS" }
advanced
en
164
164
cipher_museum
2.0
public
null
null
cda-0002425
OSOXMGAHCNTLSNEWNDMMARRIWGXOEUKHTTHHLSRLRTECATNPLLEBHSSITHWRLEETWSTAAEOARSLRUSASDANEBNPCESTSSTHMECSAAENXERHXTIIEDONXSOHTLAIOYOUHSSIENEDEASESFOOHTOARUOUFBIXDTCTAER
OSOXMGAHCNTLSNEWNDMMARRIWGXOEUKHTTHHLSRLRTECATNPLLEBHSSITHWRLEETWSTAAEOARSLRUSASDANEBNPCESTSSTHMECSAAENXERHXTIIEDONXSOHTLAIOYOUHSSIENEDEASESFOOHTOARUOUFBIXDTCTAER
THE BEST LESSONS SHOW WHERE THE METHOD FAILS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE ARCHITECTURE SHOULD MAKE MISUSE HARDER
double_transposition
double_transposition
null
{ "key1": "LIBERTY", "key2": "SIGNAL" }
hard
en
162
162
synthetic_educational
null
null
[ "key_length_search", "anagram_recovery" ]
Double columnar transposition: apply columnar twice for stronger security.
great-cipher-v2-0054
145 165 175 162 108 178 163 100 179 166 156 125 125 102 182 172 111 152 150 123 139 163 163 154 106 117 143 143 100 125 135 179 143 119 171 173 167 154 136 172 100 166 141 151 152 112 149 103 143 161 168 166 147 119 165 163 166 144 142 119 181 143 100 133
145 165 175 162 108 178 163 100 179 166 156 125 125 102 182 172 111 152 150 123 139 163 163 154 106 117 143 143 100 125 135 179 143 119 171 173 167 154 136 172 100 166 141 151 152 112 149 103 143 161 168 166 147 119 165 163 166 144 142 119 181 143 100 133
ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "VERSAILLES" }
expert
en
192
255
cipher_museum
2.0
public
null
null
wallis-cipher-v2-0213
90 18 30 47 81 91 90 15 79 55 54 66 82 91 90 18 81 41 91 90 11 85 20 33 25 66 91 90 67 63 77 75 44 27 47 81 91 90 12 72 84 30 45 91 90 15 58 76 91 90 69 85 74 12 63 91 90 45 25 91 160 90 15 44 76 91 90 82 63 55 27 18 66 91 90 76 81 54 11 74 47 91 152 90 27 18 73 58 84 66 63 91
90 18 30 47 81 91 90 15 79 55 54 66 82 91 90 18 81 41 91 90 11 85 20 33 25 66 91 90 67 63 77 75 44 27 47 81 91 90 12 72 84 30 45 91 90 15 58 76 91 90 69 85 74 12 63 91 90 45 25 91 160 90 15 44 76 91 90 82 63 55 27 18 66 91 90 76 81 54 11 74 47 91 152 90 27 18 73 58 84 66 63 91
ALAN TURING AND GORDON WELCHMAN BUILT THE BOMBE TO ATTACK THE GERMAN ENIGMA CIPHER MACHINE
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "ENGLAND" }
expert
en
186
277
cipher_museum
2.0
public
null
null
cda-0017417
50 14 67 50 68 93 68 14 60 49 72 15 21 59 63 88 22 3 11 40 27 63 23 1 35 17 96 23 60 60 22 34 91 26 1 62 93 46 46 23 58 23 81 68 30 22 60 91 33 58 50 33 87 32 34 49 91 41 21 39 27 49 4 50 11 88 26 14 39 64 67 23 68 22 50 25 23 64 14 81 52 22 3 50 87 58 32 91 66 99 92 46 82 59 30 35 96 72 50 22 62 59 11 82 63 72 11 91 1...
50 14 67 50 68 93 68 14 60 49 72 15 21 59 63 88 22 3 11 40 27 63 23 1 35 17 96 23 60 60 22 34 91 26 1 62 93 46 46 23 58 23 81 68 30 22 60 91 33 58 50 33 87 32 34 49 91 41 21 39 27 49 4 50 11 88 26 14 39 64 67 23 68 22 50 25 23 64 14 81 52 22 3 50 87 58 32 91 66 99 92 46 82 59 30 35 96 72 50 22 62 59 11 82 63 72 11 91 1...
SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY FAIL CLOSED IS A POSTURE NOT A SLOGAN OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE
homophonic
homophonic
null
{}
hard
en
160
160
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
affine-vh-0080
MUJ ALWO NLHW ZLO XPAA YJ XPMU NLH XUJWJCJW NLH ZL RL OL QLM EJDW LW YJ OPRVDNJO VN TUPAO
MUJ ALWO NLHW ZLO XPAA YJ XPMU NLH XUJWJCJW NLH ZL RL OL QLM EJDW LW YJ OPRVDNJO VN TUPAO
THE LORD YOUR GOD WILL BE WITH YOU WHEREVER YOU GO SO DO NOT FEAR OR BE DISMAYED MY CHILD
affine
affine
substitution
{ "a": 21, "b": 3 }
beginner
en
70
89
cipher_museum
2.0
public
null
null
copiale-v3-0172
I3 M4 D5 K7 S8 P7 K2 N3 O1 B4 C7 N2 K4 L5 G4 N7 F6 Q2 G7 P8 V2 G5 Y8 O3 P3 G6 B7 K2 X1 Q8 A3 J0 P2 S0 N2 K8 N7 B7 O2 N8 A2 M4 K2 H5 L2 N2 R3 F0 Z4 K7 N9 P0 Q1 C0 X1 U2 F0 H1 C0 O7 O0 R0 W1 C0 M9 U2 D4 M2 A2 O0 N3 G4 M4 N2 L7
I3 M4 D5 K7 S8 P7 K2 N3 O1 B4 C7 N2 K4 L5 G4 N7 F6 Q2 G7 P8 V2 G5 Y8 O3 P3 G6 B7 K2 X1 Q8 A3 J0 P2 S0 N2 K8 N7 B7 O2 N8 A2 M4 K2 H5 L2 N2 R3 F0 Z4 K7 N9 P0 Q1 C0 X1 U2 F0 H1 C0 O7 O0 R0 W1 C0 M9 U2 D4 M2 A2 O0 N3 G4 M4 N2 L7
THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS
copiale
copiale
substitution
{ "type": "keyword", "value": "TEMPLE" }
advanced
en
150
224
cipher_museum
2.0
public
null
null
sigaba-v2-0041
FKCCLEXUTBWIYCQHSBQLSRBOKZTFMQRBYEVQEYJKWLZPQZQJR
FKCCLEXUTBWIYCQHSBQLSRBOKZTFMQRBYEVQEYJKWLZPQZQJR
ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD
sigaba
sigaba
machine
{ "type": "seed", "value": "ECMMARK" }
expert
en
49
49
cipher_museum
2.0
public
null
null
morse-code-022
.- .-- .- .. - / ..-. ..- .-. - .... . .-. / --- .-. -.. . .-. ...
.- .-- .- .. - / ..-. ..- .-. - .... . .-. / --- .-. -.. . .-. ...
AWAIT FURTHER ORDERS
morse_code
morse_code
encoding
{ "type": "none", "value": null }
beginner
en
47
66
cipher_museum
0.2
public
null
null
zimmermann-043
00000 99999 90016 90020 90008 90002 90010 99998 99999 90001 90017 90014 90022 90013 99998 99999 90005 90014 90023 99998 99999 90009 90020 90012 90015 90018 99998 00075 00000 99999 90011 90000 90025 90024 99998 99999 90003 90014 90006 99998 99999 90013 90004 90000 90017 99998 00000 99999 90017 90008 90021 90004 90017 99...
00000 99999 90016 90020 90008 90002 90010 99998 99999 90001 90017 90014 90022 90013 99998 99999 90005 90014 90023 99998 99999 90009 90020 90012 90015 90018 99998 00075 00000 99999 90011 90000 90025 90024 99998 99999 90003 90014 90006 99998 99999 90013 90004 90000 90017 99998 00000 99999 90017 90008 90021 90004 90017 99...
THE QUICK BROWN FOX JUMPS OVER THE LAZY DOG NEAR THE RIVER
zimmermann
zimmermann
codebook
{ "type": "none", "value": null }
expert
en
270
323
cipher_museum
0.2
public
null
null
lorenz-v2-0522
RECOMNOITERTHEENEMYPOSITIONANDREPORTBACKBEFORFNIGHTFALLWITHAFULLSTRENGTHCOUNT
RECOMNOITERTHEENEMYPOSITIONANDREPORTBACKBEFORFNIGHTFALLWITHAFULLSTRENGTHCOUNT
RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT
lorenz
lorenz
machine
{ "type": "seed", "value": "STURGEON" }
expert
en
77
77
cipher_museum
2.0
public
null
null
cda-0018204
⌐· ┌· L └· X· L ─ r ⌒· ⌐ ─ ⌐ └ ⌒· X Γ· X r ⌐ ─ ┌· L K· L ⌐ └ ⌒ L ⌐ ┐ r Γ· ┐· r· L ┌· X ┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─
⌐· ┌· L └· X· L ─ r ⌒· ⌐ ─ ⌐ └ ⌒· X Γ· X r ⌐ ─ ┌· L K· L ⌐ └ ⌒ L ⌐ ┐ r Γ· ┐· r· L ┌· X ┌· ┘· X· K L r Γ· ┐· r· L ┌· X ┌· L ⌐ Γ ⌐ ¬· ┌· Γ· Γ Γ· ─ ⌐ ┐· ┌· L X r ┌· Γ· ¬ L Γ ¬· L ┘· ┌ L K ┌· Γ· r ┐· ⌐ K K L ┌· ─
FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN
pigpen
pigpen
null
{}
medium
en
34
34
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
confederate-vigenere-084
VZJZXEQWCL
VZJZXEQWCL
TRUST NO ONE
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
10
10
cipher_museum
0.2
public
null
null
two-square-v2-0317
DRNXLEDGEWITHOUTVUQFSKISADPPDDROUSRGTPEDQAVUQFSKVURGNSTCNSRADDISULTIRFTEQVWORTBHFUOZ
DRNXLEDGEWITHOUTVUQFSKISADPPDDROUSRGTPEDQAVUQFSKVURGNSTCNSRADDISULTIRFTEQVWORTBHFUOZ
KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS
two_square
two_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
84
84
cipher_museum
2.0
public
null
null
m94-v2-0259
FNVNSVDDSVQPVTSUBDJXRMYAIGOIBGXFCYKGFTFCNHNDDHGNKFRQOUSKGYVGBTTVLJ
FNVNSVDDSVQPVTSUBDJXRMYAIGOIBGXFCYKGFTFCNHNDDHGNKFRQOUSKGYVGBTTVLJ
WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP
m94
m94
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
66
66
cipher_museum
2.0
public
null
null
vigenere-la-112
ARRIMGUMRZSXJEVMIKTYO
ARRIMGUMRZSXJEVMIKTYO
IN PRINCIPIO ERAT VERBUM
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "SECRET" }
intermediate
la
21
21
cipher_museum
0.2
public
null
null
alberti-disk-166
JZWCDIBXQSBJEKUKCSPRVFJMWWTFNKTZNGTLTFIBCIBUSRXRDWRGAQEHH
JZWCDIBXQSBJEKUKCSPRVFJMWWTFNKTZNGTLTFIBCIBUSRXRDWRGAQEHH
FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 13 }
expert
en
57
57
cipher_museum
0.2
public
null
null
cda-0013738
X X· ¬ X K Γ· K X· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌ ⌐ ┐· L ⌐ r r· └ L K K L ┌· K ┘· ⌐ Γ Γ· ⌐· ⌐· L ┌· L ─ K └ L K K L ┌·
X X· ¬ X K Γ· K X· K Γ· ┘· ─ r Γ· ┐· r· L ┌· X ┌ ⌐ ┐· L ⌐ r r· └ L K K L ┌· K ┘· ⌐ Γ Γ· ⌐· ⌐· L ┌· L ─ K └ L K K L ┌·
SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER
pigpen
pigpen
null
{}
easy
en
26
26
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
solitaire-v2-0294
OUEVTZHWRXTJMJMDUVLOUAHPMCXHRFKPNUXUQXDSANNMTHE
OUEVTZHWRXTJMJMDUVLOUAHPMCXHRFKPNUXUQXDSANNMTHE
THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES
solitaire
solitaire
stream
{ "type": "passphrase", "value": "PONTIFEX" }
expert
en
47
47
cipher_museum
2.0
public
null
null
fractionated-morse-v3-0332
JWNGVADTBLLDATVC
JWNGVADTBLLDATVC
GOLD FROM LEAD
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
16
16
cipher_museum
2.0
public
null
null
cda-0021590
SKSXM VCNAN GDVXQ GMTJJ OJXZT YFBYV TIVYA NBNYE RGTJY DQCCV ARSEC MFLNK STHJY PTPLH SQKHR HPFTG XXQXC SXWNR QEDKU WUXKL LTRUK EBPWS YXUJB CMSMR VMIYZ CVZXV LQHCU IOVZH USTGG OSBBM KBHJI BO
SKSXM VCNAN GDVXQ GMTJJ OJXZT YFBYV TIVYA NBNYE RGTJY DQCCV ARSEC MFLNK STHJY PTPLH SQKHR HPFTG XXQXC SXWNR QEDKU WUXKL LTRUK EBPWS YXUJB CMSMR VMIYZ CVZXV LQHCU IOVZH USTGG OSBBM KBHJI BO
DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS
one_time_pad
one_time_pad
null
{}
hard
en
157
157
synthetic_educational
null
null
[ "information_theoretic_proof", "key_reuse_attack" ]
One-time pad: theoretically unbreakable if key is truly random and never reused.
vic-v3-0271
5843898894349187885813038375381588584392871538191575391265843808887915159251888774343913493381588584391575391
5843898894349187885813038375381588584392871538191575391265843808887915159251888774343913493381588584391575391
THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES
vic
vic
substitution
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
109
109
cipher_museum
2.0
public
null
null
bazeries-144
SPRKRQKLLY
SPRKRQKLLY
TRUST NO ONE
bazeries
bazeries
transposition
{ "type": "integer", "value": 99 }
advanced
en
10
10
cipher_museum
0.2
public
null
null
hill-v3-0302
TTPDNRBXNNBRTLWOBYFFBXXIPDGDIAEMECHGBLXMTZPHSIOLJWIOPDXYJXGSYHBXWKCTJDYHVNSIILHHUEEJBXTLTQDFBHGSVQDYWPTQRTBLJXPTPDQWGQDACDSQSRZSKGFEJXLTCAWPFRUYDSPMQMQZNETKXDLMNF
TTPDNRBXNNBRTLWOBYFFBXXIPDGDIAEMECHGBLXMTZPHSIOLJWIOPDXYJXGSYHBXWKCTJDYHVNSIILHHUEEJBXTLTQDFBHGSVQDYWPTQRTBLJXPTPDQWGQDACDSQSRZSKGFEJXLTCAWPFRUYDSPMQMQZNETKXDLMNF
WHENEVER ANY FORM OF GOVERNMENT BECOMES DESTRUCTIVE OF THESE ENDS IT IS THE RIGHT OF THE PEOPLE TO ALTER OR TO ABOLISH IT AND TO INSTITUTE NEW GOVERNMENT LAYING ITS FOUNDATION ON SUCH PRINCIPLES
hill
hill
polygraphic
{ "a": 7, "b": 3, "c": 4, "d": 5 }
advanced
en
162
162
cipher_museum
2.0
public
null
null
cardano-autokey-204
FKLMLGBCBR
FKLMLGBCBR
TRUST NO ONE
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "MUSEUM" }
advanced
en
10
10
cipher_museum
0.2
public
null
null
cda-0016694
52 69 57 59 77 29 68 80 66 80 68 29 61 65 69 61 50 66 50 69 29 80 82 68 11 61 52 69 57 59 77 29 61 50 29 55 82 43 69 80 11 82 80 65 68 66 66 82 80 29 89 69 80 11 61 36 82 57 65 20 80 82 68 55 77 69 29 69 68 57 65 36 68 20 82 66 50 52 61 59 20 61 66 50 66 59 66 50 69 29
52 69 57 59 77 29 68 80 66 80 68 29 61 65 69 61 50 66 50 69 29 80 82 68 11 61 52 69 57 59 77 29 61 50 29 55 82 43 69 80 11 82 80 65 68 66 66 82 80 29 89 69 80 11 61 36 82 57 65 20 80 82 68 55 77 69 29 69 68 57 65 36 68 20 82 66 50 52 61 59 20 61 66 50 66 59 66 50 69 29
COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION
wallis_cipher
wallis_cipher
null
{}
hard
en
90
90
synthetic_educational
null
null
[ "number_substitution_decode", "frequency_analysis" ]
Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.
cda-0011008
WILMSIVJIDVWGPGRDCZTAIRUHVVLROVWVFLRQMXFB
WILMSIVJIDVWGPGRDCZTAIRUHVVLROVWVFLRQMXFB
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION
autokey
autokey
null
{ "primer": "PATTERN" }
medium
en
41
41
synthetic_educational
null
null
[]
chaocipher-v2-0561
CJELGLFAATIZTMOUNPGVVXDBUAYOBBFBMVOETWBLKRSURWPFVGTFBKAMILMRSSPCGGLPQDP
CJELGLFAATIZTMOUNPGVVXDBUAYOBBFBMVOETWBLKRSURWPFVGTFBKAMILMRSSPCGGLPQDP
WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "TRIUMPH" }
advanced
en
71
71
cipher_museum
2.0
public
null
null
cda-0011425
D XMDGIWDMQGX XVVB IKVRBT IKVC EXI MQDIVGEGA SMRXQ JVMHQ CVMLI VGBU CKQG XKQ LQU IWDHQ EI IFDBB
D XMDGIWDMQGX XVVB IKVRBT IKVC EXI MQDIVGEGA SMRXQ JVMHQ CVMLI VGBU CKQG XKQ LQU IWDHQ EI IFDBB
A TRANSPARENT TOOL SHOULD SHOW ITS REASONING BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL
monoalphabetic
monoalphabetic
null
{ "alphabet": "DSHTQJAKEZLBFGVWPMIXRNCYUO" }
medium
en
79
79
synthetic_educational
null
null
[]
kl7-v3-0357
RDBHKBPSMVRQPGRVIJLW
RDBHKBPSMVRQPGRVIJLW
STEAM POWER TRANSFORMS
kl7
kl7
machine
{ "type": "seed", "value": "ALLIANCE" }
expert
en
20
20
cipher_museum
2.0
public
null
null
cda-0013030
.... .... .. ... . ..... .. . ... .... .... ..... .... .. .... ... .... . .... ..... . . .... .. . ..... . ... .. .... ... ..... .. ... . ..... .... .. .... ..... .... ... . ..... .... ... .... .... ..... .. ... .... . ... . ..... ..... .... ..... .. ... .... .... .. . .... ... ..... ....
.... .... .. ... . ..... .. . ... .... .... ..... .... .. .... ... .... . .... ..... . . .... .. . ..... . ... .. .... ... ..... .. ... . ..... .... .. .... ..... .... ... . ..... .... ... .... .... ..... .. ... .... . ... . ..... ..... .... ..... .. ... .... .... .. . .... ... ..... ....
THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION A STRONG CLAIM NEEDS STRONG EVIDENCE ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS
tap_code
tap_code
null
{}
hard
en
176
176
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-v3-0392
QSLSPAAUFGLDZPMKCZDUJXENVCWDXJJQZROMDURAMLSGHKDZGXOCAOMPHFVHCHABDFNCNQLQYLCXXGZSJH
QSLSPAAUFGLDZPMKCZDUJXENVCWDXJJQZROMDURAMLSGHKDZGXOCAOMPHFVHCHABDFNCNQLQYLCXXGZSJH
HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD
fialka
fialka
machine
{ "type": "seed", "value": "SPUTNIK" }
expert
en
82
82
cipher_museum
2.0
public
null
null
slidex-v2-0153
CQMXODDWGOHMJP
CQMXODDWGOHMJP
HONOR ABOVE ALL
slidex
slidex
transposition
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
vic-v3-0232
81885817918481885
81885817918481885
DOT DASH DOT
vic
vic
substitution
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
17
17
cipher_museum
2.0
public
null
null
cda-0010610
PERL EANE HWOP CIRC EEWO IRRR OOAN SAFN AWEA DTIC EUUL IANY SNRR NUYN HATL LNMC PBAO RDCM RHDP DRGO LAUL NERI AEUA USES DATT SGVE BTSM BTHA TEST IOXI PITE ALSO SELS ETBX
PERL EANE HWOP CIRC EEWO IRRR OOAN SAFN AWEA DTIC EUUL IANY SNRR NUYN HATL LNMC PBAO RDCM RHDP DRGO LAUL NERI AEUA USES DATT SGVE BTSM BTHA TEST IOXI PITE ALSO SELS ETBX
PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG
scytale
scytale
null
{ "cols": 8 }
hard
en
136
136
synthetic_educational
null
null
[]
bazeries-v3-0678
TAPFHIAPXOHBVTHMMTXLSLIYTAPBLPJGQYIABRTMBFLIYIIOTGNIPHHINAPIOHBSPSFF
TAPFHIAPXOHBVTHMMTXLSLIYTAPBLPJGQYIABRTMBFLIYIIOTGNIPHHINAPIOHBSPSFF
THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL
bazeries
bazeries
transposition
{ "type": "integer", "value": 71 }
advanced
en
68
68
cipher_museum
2.0
public
null
null
vic-v2-0169
82404886582886090836899063409212389791888290834828846908819248818908593858640818885841908989859188249085908348946
82404886582886090836899063409212389791888290834828846908819248818908593858640818885841908989859188249085908348946
GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA
vic
vic
substitution
{ "type": "keyword", "value": "NICKEL" }
advanced
en
113
113
cipher_museum
2.0
public
null
null
kryha-v2-0315
YNDLOIZUPZCNLNXBSWYVIUSWIUGEELYKMSHHSQLIWBDQMIKLKOMTACGMNJDUNBSEWBJZMJHEXW
YNDLOIZUPZCNLNXBSWYVIUSWIUGEELYKMSHHSQLIWBDQMIKLKOMTACGMNJDUNBSEWBJZMJHEXW
FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH
kryha
kryha
machine
{ "type": "keyword", "value": "PRAGUE" }
expert
en
74
74
cipher_museum
2.0
public
null
null
kryptos-v2-0335
KPFAVVKAQGUDIYWNPNRMUAJQEFPSCTMEHJYPBEBCMHESMBKLYBKQHDEXCVJWREXGSGCSGXIZOMVMXKU
KPFAVVKAQGUDIYWNPNRMUAJQEFPSCTMEHJYPBEBCMHESMBKLYBKQHDEXCVJWREXGSGCSGXIZOMVMXKU
THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "VIRTUAL" }
advanced
en
79
79
cipher_museum
2.0
public
null
null
cda-0014044
64 66 24 34 2 63 88 1 15 64 91 58 59 24 3 27 63 94 61 3 23 36 14 22 81 87 66 23 11 22 53 63 76 43 33 50 93 40 63 30 23 35 49 63 94 22 34 43 60 88 23 4 48 43 43 27 24 22 86 82 11 88 59 52 64 48 15 67 32 60 70 45 60 11 22 35 14 58 22
64 66 24 34 2 63 88 1 15 64 91 58 59 24 3 27 63 94 61 3 23 36 14 22 81 87 66 23 11 22 53 63 76 43 33 50 93 40 63 30 23 35 49 63 94 22 34 43 60 88 23 4 48 43 43 27 24 22 86 82 11 88 59 52 64 48 15 67 32 60 70 45 60 11 22 35 14 58 22
DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE MESSAGE WAS HIDDEN BUT NOT SECURE
homophonic
homophonic
null
{}
medium
en
79
79
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
geez-monastic-v3-0115
ZLTQZFEZVFZIEZCHTSZ
ZLTQZFEZVFZIEZCHTSZ
AVE MARIA GRATIA PLENA
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "AXUM" }
advanced
en
19
19
cipher_museum
2.0
public
null
null
beaufort-v3-0731
LAALESAPATOGKHJGZBNOPCQ
LAALESAPATOGKHJGZBNOPCQ
ROME WAS NOT BUILT IN ONE DAY
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "COMPASS" }
intermediate
en
23
23
cipher_museum
2.0
public
null
null
red-type-a-091
MOPUKJTJEDUNQIRJVHIJOCIDJEHIBEMLQROKICCVISYQUBMEOROBIHOYN
MOPUKJTJEDUNQIRJVHIJOCIDJEHIBEMLQROKICCVISYQUBMEOROBIHOYN
WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "CIPHER" }
advanced
en
57
57
cipher_museum
0.2
public
null
null
nomenclator-004
18 05 14 04 05 26 22 15 21 19 01 20 93
18 05 14 04 05 26 22 15 21 19 01 20 93
RENDEZVOUS AT MIDNIGHT
nomenclator
nomenclator
nomenclator
{ "type": "none", "value": null }
expert
en
26
38
cipher_museum
0.2
public
null
null
slidex-v2-0083
VHBAQIYPUKVCUZGVOURRBIYLANPQZIGIQJASZUVHUDXKAGXGCTCYZACZKWAMPUANEASXXPZUVHOVFQZN
VHBAQIYPUKVCUZGVOURRBIYLANPQZIGIQJASZUVHUDXKAGXGCTCYZACZKWAMPUANEASXXPZUVHOVFQZN
THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS
slidex
slidex
transposition
{ "type": "keyword", "value": "BLETCHLEY" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
typex-012
TTDCNTPPPSUFRRJZ
TTDCNTPPPSUFRRJZ
CIPHER KEY CHANGED
typex
typex
machine
{ "type": "keyword", "value": "TYPEX" }
expert
en
16
16
cipher_museum
0.2
public
null
null
cda-0007752
PESLS AIDTC FNRCO RIEAR IRSNS HEUTO LISAI IARIP ELVPR OHEYQ HGETS FLECY ACMPT KIPRE USAEW XRLIE RAEOI SHUIL PPLAT ENAMT NSWSX XTECC ESTFX HBTHH AEIEE AIEIX YAAOX XMKNA TNDNM KTPRB
PESLS AIDTC FNRCO RIEAR IRSNS HEUTO LISAI IARIP ELVPR OHEYQ HGETS FLECY ACMPT KIPRE USAEW XRLIE RAEOI SHUIL PPLAT ENAMT NSWSX XTECC ESTFX HBTHH AEIEE AIEIX YAAOX XMKNA TNDNM KTPRB
POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS TOMORROW
stager_route
stager_route
null
{ "cols": 10 }
hard
en
150
150
synthetic_educational
null
null
[]
geheimschreiber-v3-0093
BYGSMVDUKITXXFLMWITAJSDGIYTNQZNVHBIOEBRCTLIPIOXYIEUUEQTQFQTRZDPKCXQVWXTUXLYDXFIGFAJHQQKQFLERKOFMBFVWSUWHDAURLEJONXBXYQWKQIQAGKNOCSZGBEFLJHCKMIGRASRFGSFOSIFPKRRGFOTFZGQOP
BYGSMVDUKITXXFLMWITAJSDGIYTNQZNVHBIOEBRCTLIPIOXYIEUUEQTQFQTRZDPKCXQVWXTUXLYDXFIGFAJHQQKQFLERKOFMBFVWSUWHDAURLEJONXBXYQWKQIQAGKNOCSZGBEFLJHCKMIGRASRFGSFOSIFPKRRGFOTFZGQOP
WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL THAT THEY ARE ENDOWED BY THEIR CREATOR WITH CERTAIN UNALIENABLE RIGHTS THAT AMONG THESE ARE LIFE LIBERTY AND THE PURSUIT OF HAPPINESS
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "BERLIN" }
expert
en
169
169
cipher_museum
2.0
public
null
null
caesar-v3-1229
LZW HGOWJK FGL VWDWYSLWV LG LZW MFALWV KLSLWK TQ LZW UGFKLALMLAGF SJW JWKWJNWV LG LZW KLSLWK
LZW HGOWJK FGL VWDWYSLWV LG LZW MFALWV KLSLWK TQ LZW UGFKLALMLAGF SJW JWKWJNWV LG LZW KLSLWK
THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES
caesar
caesar
substitution
{ "type": "shift", "value": 18 }
beginner
en
77
92
cipher_museum
2.0
public
null
null
jefferson-disk-v3-0046
SIILZRSECSYIZHA
SIILZRSECSYIZHA
THE FACTORY ROARS
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "4,2,6,1,3,5" }
expert
en
15
15
cipher_museum
2.0
public
null
null
cda-0017847
20 8 5 6 15 21 18 19 17 21 1 18 5 3 9 16 8 5 18 21 19 5 19 20 23 15 11 5 25 23 15 18 4 16 15 12 25 2 9 21 19 19 17 21 1 18 5 19 20 15 4 1 25
20 8 5 6 15 21 18 19 17 21 1 18 5 3 9 16 8 5 18 21 19 5 19 20 23 15 11 5 25 23 15 18 4 16 15 12 25 2 9 21 19 19 17 21 1 18 5 19 20 15 4 1 25
THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES TODAY
aeneas_tacticus
aeneas_tacticus
null
{}
medium
en
53
53
synthetic_educational
null
null
[ "sequential_number_decode", "frequency_analysis" ]
Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.
cda-0017762
FTZLPDDSVHVLTDCDLBFYYRLHGHWZSEETJOAACGRXETGGDLJLBNERGSGDWNDUWHGKVBFXTALHRZACOKUSUWAPSVRTDACYGHZJSDTLHEKLMSWTAHHBVUNVREFSGSYMSMXRHSWHZJSDTLHXGMZIIEHCFQGOOGJHBFTSKPL
FTZLPDDSVHVLTDCDLBFYYRLHGHWZSEETJOAACGRXETGGDLJLBNERGSGDWNDUWHGKVBFXTALHRZACOKUSUWAPSVRTDACYGHZJSDTLHEKLMSWTAHHBVUNVREFSGSYMSMXRHSWHZJSDTLHXGMZIIEHCFQGOOGJHBFTSKPL
FAIL CLOSED IS A POSTURE NOT A SLOGAN A TRANSPARENT TOOL SHOULD SHOW ITS REASONING PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS HONESTLY
running_key
running_key
null
{}
hard
en
163
163
synthetic_educational
null
null
[ "index_of_coincidence", "probable_plaintext" ]
Running-key cipher: Vigenère with a very long key (e.g. a book passage).
cda-0018711
WOLL ACHE EDIB EHYA ZZIE WOLL ACHE ETSA HTHA NZIE NODA IHGA HTKI NTSA HAHJ AHSH USHG AHAK HAKL IZZI EDZE HDZE HTSA HTKI NAHJ AHNA ASTS OSIW OLLA CHEE GLOE IHTK INTH ANZI ELIN MOAS IGAH TKIN SHUS HDIB EHWO LLAC HEET SAHB ETHA NZIE LIND ZEHS HUSH AKHA NAAS TSOS ISHU SH
WOLL ACHE EDIB EHYA ZZIE WOLL ACHE ETSA HTHA NZIE NODA IHGA HTKI NTSA HAHJ AHSH USHG AHAK HAKL IZZI EDZE HDZE HTSA HTKI NAHJ AHNA ASTS OSIW OLLA CHEE GLOE IHTK INTH ANZI ELIN MOAS IGAH TKIN SHUS HDIB EHWO LLAC HEET SAHB ETHA NZIE LIND ZEHS HUSH AKHA NAAS TSOS ISHU SH
ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE MESSAGE WAS HIDDEN BUT NOT SECURE SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS
navajo_code
navajo_code
null
{}
hard
en
214
214
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
autokey-v2-0240
YVRMFRLZXMIKGGWHCTNASGXAPMNWTUYYVYZBYVYPPOIRTBYKSCLVOAHXPUBLHHQHZKKTUXFLOXBTUUWMXEJILIWSNDSTPUSGFDHZPVWALSIIEFUAMHBRIAPWUEEPQBEEHETYAHGHKUVVLXWZXUGMLWKSELUIXJLE
YVRMFRLZXMIKGGWHCTNASGXAPMNWTUYYVYZBYVYPPOIRTBYKSCLVOAHXPUBLHHQHZKKTUXFLOXBTUUWMXEJILIWSNDSTPUSGFDHZPVWALSIIEFUAMHBRIAPWUEEPQBEEHETYAHGHKUVVLXWZXUGMLWKSELUIXJLE
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
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "FORTRESS" }
intermediate
en
160
160
cipher_museum
2.0
public
null
null
enigma-v2-1212
JTWXCFBNJCHPNKUGXRFKMHIWDLOAMGQSXTSXJJQDWSZBCAIDFSCBRJZEFANJKCERBVMBGUXJUSDGL
JTWXCFBNJCHPNKUGXRFKMHIWDLOAMGQSXTSXJJQDWSZBCAIDFSCBRJZEFANJKCERBVMBGUXJUSDGL
NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN
enigma
enigma
machine
{ "type": "rotor_start", "value": "ZZA" }
expert
en
77
77
cipher_museum
2.0
public
null
null
cda-0011571
PDKBI SEYUR FRCIA SMETS RMRSR EAGTH OTUIS OIPAD RNTEN ITCTD TUSEE XELOC IAEEY BTSFX RPASO LARML REUXN BLUNC CNAIU RLXWR PBCIH STCCV DXOEH SLPWE TITEE XRAAT AHHCE NUSSX
PDKBI SEYUR FRCIA SMETS RMRSR EAGTH OTUIS OIPAD RNTEN ITCTD TUSEE XELOC IAEEY BTSFX RPASO LARML REUXN BLUNC CNAIU RLXWR PBCIH STCCV DXOEH SLPWE TITEE XRAAT AHHCE NUSSX
PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN
scytale
scytale
null
{ "cols": 10 }
hard
en
140
140
synthetic_educational
null
null
[]
fialka-177
FQUHHOVFQKJTVDVWHWHXODLICCEZFRQIZIHKIUODYWZCFHKZWYPSAWZIVOMAGSBEYWLYMTAFPGAFMUBBJDJHGBCLGUSFGKYGIHWIVQRPOZNYQSGRFJPPEFCULXYQQSCIROGTCJIYJKQLSSREWKGCQYGGZVF
FQUHHOVFQKJTVDVWHWHXODLICCEZFRQIZIHKIUODYWZCFHKZWYPSAWZIVOMAGSBEYWLYMTAFPGAFMUBBJDJHGBCLGUSFGKYGIHWIVQRPOZNYQSGRFJPPEFCULXYQQSCIROGTCJIYJKQLSSREWKGCQYGGZVF
IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE
fialka
fialka
machine
{ "type": "seed", "value": "SECRET" }
expert
en
155
155
cipher_museum
0.2
public
null
null
cda-0012557
... .... . .. .... ... . ..... .... .. ..... . . . . .. ... . . ..... . ..... ..... . .. .... . .... . ..... ... ... . ... . ..... . ... ... .... ... .. . ..... .... ... . .. . ..... .. . ... .... .... .. . ..... . ... ... .... ... ... .. . .. .... . .... . ..... ... ... . ... . .....
... .... . .. .... ... . ..... .... .. ..... . . . . .. ... . . ..... . ..... ..... . .. .... . .... . ..... ... ... . ... . ..... . ... ... .... ... .. . ..... .... ... . .. . ..... .. . ... .... .... .. . ..... . ... ... .... ... ... .. . .. .... . .... . ..... ... ... . ... . .....
OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION
tap_code
tap_code
null
{}
hard
en
149
149
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.
cda-0020744
13.15.3 17.5.6 1.32.2 3.48.13 19.16.14 14.34.13 7.34.2 19.11.7 12.21.6 14.6.7 8.20.4 10.16.5 8.50.7 18.20.5 17.17.11 7.43.8 1.34.1 6.16.2 8.21.15 19.46.5 13.13.10 17.47.14 1.6.13 11.30.8 20.17.9 9.50.9 19.4.10 12.26.7 18.10.1 8.50.3 1.28.8 16.40.1 9.29.12 13.24.3 11.10.11 1.37.6 20.43.10
13.15.3 17.5.6 1.32.2 3.48.13 19.16.14 14.34.13 7.34.2 19.11.7 12.21.6 14.6.7 8.20.4 10.16.5 8.50.7 18.20.5 17.17.11 7.43.8 1.34.1 6.16.2 8.21.15 19.46.5 13.13.10 17.47.14 1.6.13 11.30.8 20.17.9 9.50.9 19.4.10 12.26.7 18.10.1 8.50.3 1.28.8 16.40.1 9.29.12 13.24.3 11.10.11 1.37.6 20.43.10
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER
book_cipher
book_cipher
null
{}
medium
en
37
37
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
playfair-v3-0301
CRCTKRUFRITUNYTBRQ
CRCTKRUFRITUNYTBRQ
DEAD MEN TELL NO TALES
playfair
playfair
polygraphic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
18
18
cipher_museum
2.0
public
null
null
wallis-cipher-019
90 69 84 91 90 21 10 64 78 31 41 71 77 26 91 90 19 52 75 13 69 91
90 69 84 91 90 21 10 64 78 31 41 71 77 26 91 90 19 52 75 13 69 91
NO PRISONERS TAKEN
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "WALLIS" }
expert
en
44
65
cipher_museum
0.2
public
null
null
scytale-v2-0230
HRTEEUQDAESHLPRUICACALOAIATDOTIRTRTIQNTGTEEEOUFHEIASSNAIENSNIWXRRICADMIXTMNECRMFXESTRCEETX
HRTEEUQDAESHLPRUICACALOAIATDOTIRTRTIQNTGTEEEOUFHEIASSNAIENSNIWXRRICADMIXTMNECRMFXESTRCEETX
HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION
scytale
scytale
transposition
{ "type": "integer", "value": 9 }
intermediate
en
90
90
cipher_museum
2.0
public
null
null
cda-0009322
FRPHE VGLPY NVZFF UBHYQ ORGRF GRQHA QREFP EHGVA LPBYH ZANEG ENAFC BFVGV BAERN QFPBY HZAFV AXRLB EQREG URVAQ RKBSP BVAPV QRAPR VFNHF RSHYP YHRGU RQRGR PGVIR FGHQV RFCNG GREAF ORSBE RZNXV ATPYN VZF
FRPHE VGLPY NVZFF UBHYQ ORGRF GRQHA QREFP EHGVA LPBYH ZANEG ENAFC BFVGV BAERN QFPBY HZAFV AXRLB EQREG URVAQ RKBSP BVAPV QRAPR VFNHF RSHYP YHRGU RQRGR PGVIR FGHQV RFCNG GREAF ORSBE RZNXV ATPYN VZF
SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS
rot13
rot13
null
{ "shift": 13 }
hard
en
163
163
synthetic_educational
null
null
[]
hill-v3-0279
ZUDBHRWUDBJWTXILRPHDZSWPRTLUJXLFYHECKIRPTLACYHFRNUIHBLJWILNNHHUISRJWDNBIYHNF
ZUDBHRWUDBJWTXILRPHDZSWPRTLUJXLFYHECKIRPTLACYHFRNUIHBLJWILNNHHUISRJWDNBIYHNF
NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS
hill
hill
polygraphic
{ "a": 7, "b": 3, "c": 4, "d": 5 }
advanced
en
76
76
cipher_museum
2.0
public
null
null
kl7-v2-0096
SZYDBPXLUKEZPKUNUTXXBKOASMFLPVVOSCXXPZAFBCSLMXYJBWEKIMNMJOEOZNNJUZKYILIQJWRWWYLTNW
SZYDBPXLUKEZPKUNUTXXBKOASMFLPVVOSCXXPZAFBCSLMXYJBWEKIMNMJOEOZNNJUZKYILIQJWRWWYLTNW
THE ZIMMERMANN TELEGRAM WAS DECODED BY ROOM FORTY IN LONDON AND BROUGHT AMERICA INTO THE GREAT WAR
kl7
kl7
machine
{ "type": "seed", "value": "NATO" }
expert
en
82
82
cipher_museum
2.0
public
null
null
straddling-checkerboard-v2-0292
65042534102552821323802995720322
65042534102552821323802995720322
NORTH STAR HOLDS FIRM COURSE
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "RASTONICEL" }
advanced
en
32
32
cipher_museum
2.0
public
null
null
stager-route-v3-0369
TDONLERLKNBOIETNSATTOIYNFOEWOIOELRNINDOEANACDFTITHHGHNEGEUEYAFMCEWXNAARN
TDONLERLKNBOIETNSATTOIYNFOEWOIOELRNINDOEANACDFTITHHGHNEGEUEYAFMCEWXNAARN
TO INFINITY AND BEYOND THE FRONTIER OF HUMAN KNOWLEDGE CALLS TO EACH GENERATION ANEW
stager_route
stager_route
transposition
{ "type": "integer", "value": 12 }
expert
en
72
72
cipher_museum
2.0
public
null
null
nihilist-v2-0138
65 56 56 67 46 75 57 76 29 25 45
65 56 56 67 46 75 57 76 29 25 45
KNOW THYSELF
nihilist
nihilist
fractionation
{ "polybius": "LIBERTY", "keyword": "FREEDOM" }
advanced
en
22
32
cipher_museum
2.0
public
null
null
adfgx-v2-0232
FFDFAAGXDGDAGDGDAAGDAADADAXAGXAFAAXDADXDGXGAXAGDAGGAFGGDGDGADAGAXAFAADFDAAAGFADAAFAGDADDFFXGDAGAFGFXDAXGFAGDGDGGFADDAXXGXFGAAGDGGDGAXAGADAAAXGXAAXADDGXFFFDFGDFAFDGGAGFGAFAGXAXDDADFDDDAADGGXDDGAFDFAGDAFDFDFAAAGDDAAAFGXAFAXGAGDAFDAADGDFDDGGADDFDXXXADFXAAXGAFDFXAGGDAGAAFFXAXAXAFAFFXGXDFXFDFGDADDADADAAAAA
FFDFAAGXDGDAGDGDAAGDAADADAXAGXAFAAXDADXDGXGAXAGDAGGAFGGDGDGADAGAXAFAADFDAAAGFADAAFAGDADDFFXGDAGAFGFXDAXGFAGDGDGGFADDAXXGXFGAAGDGGDGAXAGADAAAXGXAAXADDGXFFFDFGDFAFDGGAGFGAFAGXAXDDADFDDDAADGGXDDGAFDFAGDAFDFDFAAAGDDAAAFGXAFAXGAGDAFDAADGDFDDGGADDFDXXXADFXAAXGAFDFXAGGDAGAAFFXAXAXAFAFFXGXDFXFDFGDADDADADAAAAA
TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS
adfgx
adfgx
fractionation
{ "polybius": "LIBERTY", "columnar": "FREEDOM" }
advanced
en
302
302
cipher_museum
2.0
public
null
null
double-transposition-v3-0012
TLEDUUSV
TLEDUUSV
DEUS VULT
double_transposition
double_transposition
transposition
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
8
8
cipher_museum
2.0
public
null
null
nihilist-v3-0191
24 36 77 54 25 48 57 54 46 67 34 58 70 53 56 49 77 53
24 36 77 54 25 48 57 54 46 67 34 58 70 53 56 49 77 53
THE ORACLE HAS SPOKEN
nihilist
nihilist
fractionation
{ "polybius": "TRIUMPH", "keyword": "JUSTICE" }
advanced
en
36
53
cipher_museum
2.0
public
null
null
affine-v3-1277
BHC PCJQKEBI EPC QKYARO
BHC PCJQKEBI EPC QKYARO
THE REDCOATS ARE COMING
affine
affine
substitution
{ "a": 19, "b": 4 }
beginner
en
20
23
cipher_museum
2.0
public
null
null
affine-v2-1602
YEPS WUCCR KV IQKBI GEI XCHCEJCJ EVBCP HCP QADHCP FCBBCPI GCPC JCQKJCJ XS BHKYEI DHCFADDCI
YEPS WUCCR KV IQKBI GEI XCHCEJCJ EVBCP HCP QADHCP FCBBCPI GCPC JCQKJCJ XS BHKYEI DHCFADDCI
MARY QUEEN OF SCOTS WAS BEHEADED AFTER HER CIPHER LETTERS WERE DECODED BY THOMAS PHELIPPES
affine
affine
substitution
{ "a": 19, "b": 4 }
beginner
en
76
90
cipher_museum
2.0
public
null
null
two-square-v2-0433
QNCQAGCEDLLIBERTXKPAPBRNOIXFAKKBNCEAFTQNBYILHNODNKENAFSBABLHPUOILFDCSAFTQNDRATSX
QNCQAGCEDLLIBERTXKPAPBRNOIXFAKKBNCEAFTQNBYILHNODNKENAFSBABLHPUOILFDCSAFTQNDRATSX
THE PRICE OF LIBERTY IS ETERNAL VIGILANCE AND THE WILL TO DEFEND IT AGAINST ALL FOES AND THREATS
two_square
two_square
polygraphic
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
80
80
cipher_museum
2.0
public
null
null