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stringlengths
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2.11k
plaintext
stringlengths
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282
label
stringclasses
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
split
stringclasses
1 value
attack_methods
listlengths
0
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educational_note
stringclasses
32 values
four-square-v3-0235
QPTCKHEYRRNQIGLBEQFO
QPTCKHEYRRNQIGLBEQFO
STEAM POWER TRANSFORMS
four_square
four_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
20
20
cipher_museum
2.0
public
null
null
cda-0011786
NGEN AFCN ERAG GBBY FUBH YQFU BJVG FERN FBAV ATQV TENC UNAQ GEVT ENCU SERD HRAP VRFR KCBF RFVZ CYRP VCUR EFUH ZNAE RNQN OYRB HGCH GFUB HYQF UBJN YYER NFBA VATF GRCF CRRE ERIV RJNA QERC EBQH PVOV YVGL ZNGG REVA ERFR NEPU
NGEN AFCN ERAG GBBY FUBH YQFU BJVG FERN FBAV ATQV TENC UNAQ GEVT ENCU SERD HRAP VRFR KCBF RFVZ CYRP VCUR EFUH ZNAE RNQN OYRB HGCH GFUB HYQF UBJN YYER NFBA VATF GRCF CRRE ERIV RJNA QERC EBQH PVOV YVGL ZNGG REVA ERFR NEPU
A TRANSPARENT TOOL SHOULD SHOW ITS REASONING DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH
rot13
rot13
null
{ "shift": 13 }
hard
en
176
176
synthetic_educational
null
null
[]
chinese-telegraph-v2-0031
1599 0285 0856 0538 1599 0538 0219 0538 1599 0538 0156 0538
1599 0285 0856 0538 1599 0538 0219 0538 1599 0538 0156 0538
VENI VIDI VICI
chinese_telegraph
chinese_telegraph
codebook
{ "type": "none", "value": null }
expert
en
48
59
cipher_museum
2.0
public
null
null
cda-0018974
CHEO LOKS HYQO KALR CHEO LDAI NYOT AIIN QOKE EDYK AIII NRCH EOLC HEOL QOKA LSHE OLYT EDYY PCHO LSHA LAII IN
CHEO LOKS HYQO KALR CHEO LDAI NYOT AIIN QOKE EDYK AIII NRCH EOLC HEOL QOKA LSHE OLYT EDYY PCHO LSHA LAII IN
DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS
voynich_render
voynich_render
null
{}
hard
en
86
86
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
voynich-render-023
gcd pkrh kx edoe
gcd pkrh kx edoe
THE KING IS DEAD
voynich_render
voynich_render
substitution
{ "type": "none", "value": null }
expert
en
13
16
cipher_museum
0.2
public
null
null
four-square-048
SIPEHQKHSQHWMSLYSBSPFYTMASSBIIWDMSFYSNCQKHEGXSCIRBXLCIAX
SIPEHQKHSQHWMSLYSBSPFYTMASSBIIWDMSFYSNCQKHEGXSCIRBXLCIAX
TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND
four_square
four_square
polygraphic
{ "key1": "EXAMPLE", "key2": "KEYWORD" }
advanced
en
56
56
cipher_museum
0.2
public
null
null
confederate-vigenere-v2-0001
FHRFPIALGRET
FHRFPIALGRET
THE DIE IS CAST
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "MANCHESTER" }
intermediate
en
12
12
cipher_museum
2.0
public
null
null
monoalphabetic-vf-0083
JRT YMUP JGDFT QM QFGLR ARBMPR KRL TFCT TFRY KCY QRR YMUP DMMS WMPIQ CLS DJMPGBY YMUP BCTFRP GL FRCVRL
JRT YMUP JGDFT QM QFGLR ARBMPR KRL TFCT TFRY KCY QRR YMUP DMMS WMPIQ CLS DJMPGBY YMUP BCTFRP GL FRCVRL
LET YOUR LIGHT SO SHINE BEFORE MEN THAT THEY MAY SEE YOUR GOOD WORKS AND GLORIFY YOUR FATHER IN HEAVEN
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "CAESAR" }
beginner
en
83
102
cipher_museum
2.0
public
null
null
alberti-disk-v2-0941
TPVMJYYOZNAGEWTZNLNPMYAHOFAQBIXMFFCWDWQHHKEXTBSXUIVVPJMREOXJVHQNHUGSGQUA
TPVMJYYOZNAGEWTZNLNPMYAHOFAQBIXMFFCWDWQHHKEXTBSXUIVVPJMREOXJVHQNHUGSGQUA
WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 17 }
expert
en
72
72
cipher_museum
2.0
public
null
null
trifid-053
LNXOEWFMABEMLUIBNHJUMDI+BDQBBBNLLLLENWNFHQEYQYJL+JB+IRGSAIXU
LNXOEWFMABEMLUIBNHJUMDI+BDQBBBNLLLLENWNFHQEYQYJL+JB+IRGSAIXU
LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER
trifid
trifid
fractionation
{ "type": "keyword", "value": "FELIX" }
advanced
en
60
60
cipher_museum
0.2
public
null
null
cda-0004374
NDHN IISO ITER KERE OCVW GHFF EMEF ESAL SNTA HSUL NITS FLCB MIAA UMAT NITE UETB NRPU ECTR IYTH ENKI IBRM XWPP EECA CNNR KIOA IMPW ZOES MEMT YTRB BEHT EAHT TBIS HNEC TEXM SERX AOSL ZNAA GASN EAGB OLSI DLYO GTPS RPHH TIAG TOCI BENU PNTI ECIA TSER RKRH ONEE EKWR ER
NDHN IISO ITER KERE OCVW GHFF EMEF ESAL SNTA HSUL NITS FLCB MIAA UMAT NITE UETB NRPU ECTR IYTH ENKI IBRM XWPP EECA CNNR KIOA IMPW ZOES MEMT YTRB BEHT EAHT TBIS HNEC TEXM SERX AOSL ZNAA GASN EAGB OLSI DLYO GTPS RPHH TIAG TOCI BENU PNTI ECIA TSER RKRH ONEE EKWR ER
ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN
double_transposition
double_transposition
null
{ "key1": "LIBERTY", "key2": "DRAGON" }
hard
en
210
210
synthetic_educational
null
null
[ "key_length_search", "anagram_recovery" ]
Double columnar transposition: apply columnar twice for stronger security.
cda-0002532
THIVH BEOEG DPEXM HYCTP NFTOR UATOB EPPNH TRTNP EEAPE HEMHN ATOET ARFCO LRIDE IMOFI MBRRE USESI RIPEA SBLCE ITRUR EPYIC RHGEE ECPSD SSEOV ENROA LEOIS SQRAD HTOHS ASITC DTANI LINAU EIPLN ESFSE X
THIVH BEOEG DPEXM HYCTP NFTOR UATOB EPPNH TRTNP EEAPE HEMHN ATOET ARFCO LRIDE IMOFI MBRRE USESI RIPEA SBLCE ITRUR EPYIC RHGEE ECPSD SSEOV ENROA LEOIS SQRAD HTOHS ASITC DTANI LINAU EIPLN ESFSE X
THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE
stager_route
stager_route
null
{ "cols": 7 }
hard
en
161
161
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
adfgvx-v3-0434
GAAADFGDDVFXVDADVGDAXDXGVFVXADDXADAFAG
GAAADFGDDVFXVDADVGDAXDXGVFVXADDXADAFAG
TREACHERY IN THE COURT
adfgvx
adfgvx
fractionation
{ "polybius": "KAISER", "columnar": "BERLIN" }
advanced
en
38
38
cipher_museum
2.0
public
null
null
m94-v2-0265
YSGODIXGKWAFNJVAYNWWAONRRIRXTHKQUVYTTOOHLFCPXTZBZCWBEQCMCHCQQUNTAWHJRLDLNRR
YSGODIXGKWAFNJVAYNWWAONRRIRXTHKQUVYTTOOHLFCPXTZBZCWBEQCMCHCQQUNTAWHJRLDLNRR
ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING
m94
m94
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
75
75
cipher_museum
2.0
public
null
null
cda-0011712
GUS NOFVFXW SKOZNAOGVBA TVARF ESCROGRR GEVUEOZF NA QWCVSEGSKG FSQHEWGL QYNWZF FNBHYR PS GSFGSQ HARRE FNEHGVAL ZBRSEA SAQELCGWBA VF ABG PEBXRA PL YSGGSE SESDHSANL QORFOE FNNSGSQ GNS NYCUOPSG PL GVESR CBFWGNBAF
GUS NOFVFXW SKOZNAOGVBA TVARF ESCROGRR GEVUEOZF NA QWCVSEGSKG FSQHEWGL QYNWZF FNBHYR PS GSFGSQ HARRE FNEHGVAL ZBRSEA SAQELCGWBA VF ABG PEBXRA PL YSGGSE SESDHSANL QORFOE FNNSGSQ GNS NYCUOPSG PL GVESR CBFWGNBAF
THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS
porta
porta
null
{ "key": "PATTERN" }
hard
en
179
179
synthetic_educational
null
null
[]
monoalphabetic-139
KL NPFQLKAPQ RMHAK
KL NPFQLKAPQ RMHAK
NO PRISONERS TAKEN
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "MUSEUM" }
beginner
en
16
18
cipher_museum
0.2
public
null
null
slidex-025
UODNMFFWLUOBGWGY
UODNMFFWLUOBGWGY
SILENCE IS GOLDEN
slidex
slidex
transposition
{ "type": "keyword", "value": "SECRET" }
advanced
en
16
16
cipher_museum
0.2
public
null
null
cda-0021335
20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14
20 8 5 18 1 9 12 6 5 14 3 5 3 9 16 8 5 18 23 18 9 20 5 19 20 5 24 20 9 14 1 26 9 7 26 1 7 16 1 20 20 5 18 14
THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN
aeneas_tacticus
aeneas_tacticus
null
{}
medium
en
44
44
synthetic_educational
null
null
[ "sequential_number_decode", "frequency_analysis" ]
Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.
fractionated-morse-v2-0362
RSLPBTEYDPGBHPBNKGMLSDYQUGLYPYKYBLYMDQBIYAGLAVNAPBYDQUUYAAGHQAKIUUYBRSLPBTEYDPGBHPBMAAPBYEPSEABLQUUYAAPBYBMGYWLQMPYLQQBEYEPVYLWBGMLSLYYDQBLQMPYLQQBEAYPTYGLPMGESGDSE
RSLPBTEYDPGBHPBNKGMLSDYQUGLYPYKYBLYMDQBIYAGLAVNAPBYDQUUYAAGHQAKIUUYBRSLPBTEYDPGBHPBMAAPBYEPSEABLQUUYAAPBYBMGYWLQMPYLQQBEYEPVYLWBGMLSLYYDQBLQMPYLQQBEAYPTYGLPMGESGDSE
WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
164
164
cipher_museum
2.0
public
null
null
cda-0017801
-- --- -.. . .-. -. / . -. -.-. .-. -.-- .--. - .. --- -. / .. ... / -. --- - / -... .-. --- -.- . -. / -... -.-- / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . ...
-- --- -.. . .-. -. / . -. -.-. .-. -.-- .--. - .. --- -. / .. ... / -. --- - / -... .-. --- -.- . -. / -... -.-- / .-.. . - - . .-. / ..-. .-. . --.- ..- . -. -.-. -.-- / - .... . / ..-. .-. .. . -.. -- .- -. / - . ... - / ..- ... . ... / - .... . / .. -. -.. . -..- / --- ..-. / -.-. --- .. -. -.-. .. -.. . -. -.-. . ...
MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH
morse_code
morse_code
null
{}
hard
en
103
103
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
playfair-v3-0902
PLCTTNNGFMMKDLQLTULNTMQLKOYLTQCYNGMKHKQLEPLNPFHWBGTCBLCPYLHBGNUFCPQGGSNGPLKQ
PLCTTNNGFMMKDLQLTULNTMQLKOYLTQCYNGMKHKQLEPLNPFHWBGTCBLCPYLHBGNUFCPQGGSNGPLKQ
THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS
playfair
playfair
polygraphic
{ "type": "keyword", "value": "DRAGON" }
intermediate
en
76
76
cipher_museum
2.0
public
null
null
geheimschreiber-v3-0337
DUEXBTGYDHLLSBN
DUEXBTGYDHLLSBN
CHART THE UNKNOWN
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "TEUTON" }
expert
en
15
15
cipher_museum
2.0
public
null
null
fractionated-morse-v3-0147
KARFQWAQAVHAAOUDVHTAQQADVK
KARFQWAQAVHAAOUDVHTAQQADVK
MESSAGE RECEIVED CLEARLY
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "FORTRESS" }
advanced
en
26
26
cipher_museum
2.0
public
null
null
columnar-transposition-v2-0175
AETDEGIAETTYRDATRNHYIARSLOAEOSIOTEMBUMOEPEAEVLRSITENVICTTHNFEQFNNPHRHO
AETDEGIAETTYRDATRNHYIARSLOAEOSIOTEMBUMOEPEAEVLRSITENVICTTHNFEQFNNPHRHO
THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "FORTRESS" }
intermediate
en
70
70
cipher_museum
2.0
public
null
null
bifid-es-018
HABHDATASDBQHCDMHABROGBRRKVAGOFCHROQLBXCXNCVGOFUUZPBIQEI
HABHDATASDBQHCDMHABROGBRRKVAGOFCHROQLBXCXNCVGOFUUZPBIQEI
PODRAN CORTAR TODAS LAS FLORES PERO NO PODRAN DETENER LA PRIMAVERA
bifid
bifid
fractionation
{ "type": "keyword", "value": "CIPHER" }
advanced
es
56
56
cipher_museum
0.2
public
null
null
cda-0017196
10.48.3 11.12.3 2.30.12 10.43.3 1.30.1 3.50.6 18.40.7 17.28.2 19.32.3 9.9.10 19.28.7 2.21.6 15.44.5 15.42.7 12.50.7 9.27.8 19.45.14 13.45.3 10.17.12 12.44.4 14.23.2 16.1.6 14.28.2 12.50.12 15.27.2 5.47.7 18.12.14 16.1.13 19.37.1 8.19.15 16.42.7 12.34.14 7.28.11 16.34.2 10.17.9 19.20.14 16.35.11 10.18.12 1.5.1 1.28.8 7....
10.48.3 11.12.3 2.30.12 10.43.3 1.30.1 3.50.6 18.40.7 17.28.2 19.32.3 9.9.10 19.28.7 2.21.6 15.44.5 15.42.7 12.50.7 9.27.8 19.45.14 13.45.3 10.17.12 12.44.4 14.23.2 16.1.6 14.28.2 12.50.12 15.27.2 5.47.7 18.12.14 16.1.13 19.37.1 8.19.15 16.42.7 12.34.14 7.28.11 16.34.2 10.17.9 19.20.14 16.35.11 10.18.12 1.5.1 1.28.8 7....
DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX
book_cipher
book_cipher
null
{}
medium
en
67
67
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
geez-monastic-198
AFPYSUKEPPESCQYM
AFPYSUKEPPESCQYM
BURN AFTER READING
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "MUSEUM" }
advanced
en
16
16
cipher_museum
0.2
public
null
null
morse-code-v3-0091
--.. . .-. --- / -.- -. --- .-- .-.. . -.. --. . / .--. .-. --- --- ..-. ... / .- .-.. .-.. --- .-- / --- -. . / .--. .- .-. - -.-- / - --- / .--. .-. --- ...- . / -.- -. --- .-- .-.. . -.. --. . / .-- .. - .... --- ..- - / .-. . ...- . .- .-.. .. -. --. / - .... . / -.- -. --- .-- .-.. . -.. --. . / .. - ... . .-.. .....
--.. . .-. --- / -.- -. --- .-- .-.. . -.. --. . / .--. .-. --- --- ..-. ... / .- .-.. .-.. --- .-- / --- -. . / .--. .- .-. - -.-- / - --- / .--. .-. --- ...- . / -.- -. --- .-- .-.. . -.. --. . / .-- .. - .... --- ..- - / .-. . ...- . .- .-.. .. -. --. / - .... . / -.- -. --- .-- .-.. . -.. --. . / .. - ... . .-.. .....
ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF
morse_code
morse_code
encoding
{ "type": "none", "value": null }
beginner
en
228
322
cipher_museum
2.0
public
null
null
cda-0013579
67 48 82 32 46 72 34 60 49 50 60 88 22 34 23 87 49 63 58 76 21 1 30 76 61 79 66 24 22 15 22 34 23 82 70 64 52 22 21 34 41 63 68 43 49 25 50 23 30 46 61 58 93 48 62 4 82 81 33 50 91 66 40 27 25 23 64 80 23 92 96 33 81 57 25 17 46 58 45 4 43 25 27 68 59 50 91 49 35 50
67 48 82 32 46 72 34 60 49 50 60 88 22 34 23 87 49 63 58 76 21 1 30 76 61 79 66 24 22 15 22 34 23 82 70 64 52 22 21 34 41 63 68 43 49 25 50 23 30 46 61 58 93 48 62 4 82 81 33 50 91 66 40 27 25 23 64 80 23 92 96 33 81 57 25 17 46 58 45 4 43 25 27 68 59 50 91 49 35 50
BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS
homophonic
homophonic
null
{}
hard
en
90
90
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
cda-0005934
RPAIC ECNXP ORNDH OUEAA IMAXX TEBPG RTESR RETTX XERDE IRCIE DSGIR X
RPAIC ECNXP ORNDH OUEAA IMAXX TEBPG RTESR RETTX XERDE IRCIE DSGIR X
ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN
stager_route
stager_route
null
{ "cols": 7 }
medium
en
56
56
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
cda-0020354
44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15 33 15 42 15 11 33 14 14 15 13 42 54 35 44 43 24 44 43 15 31 21 35 15 15 42...
44 23 15 35 31 11 54 21 11 24 42 13 24 35 23 15 42 15 33 13 42 54 35 44 43 35 11 24 42 43 34 21 31 15 44 44 15 42 43 43 24 32 45 31 44 11 33 15 34 45 43 31 54 12 15 11 45 21 34 42 44 24 43 44 23 15 42 15 13 24 35 42 34 13 11 31 34 21 51 24 22 15 33 15 42 15 11 33 14 14 15 13 42 54 35 44 43 24 44 43 15 31 21 35 15 15 42...
THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT
polybius
polybius
null
{}
hard
en
201
201
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
sigaba-v3-0389
BMWEQNFEXCQVHFMGHTCNCYRDPLHQNLXCQMTNRNPZSTXOXRHFBUHCXHUMGQAKEYSPKUEILSRQKUBRFGPMDPNIQKKH
BMWEQNFEXCQVHFMGHTCNCYRDPLHQNLXCQMTNRNPZSTXOXRHFBUHCXHUMGQAKEYSPKUEILSRQKUBRFGPMDPNIQKKH
TRADECRAFT IS THE ART OF CONDUCTING COVERT OPERATIONS WITHOUT ALERTING THE OPPOSITION TO YOUR PRESENCE
sigaba
sigaba
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
88
88
cipher_museum
2.0
public
null
null
rot13-v2-0037
FVPHG CNGEVOHF FVG QRHF ABOVF
FVPHG CNGEVOHF FVG QRHF ABOVF
SICUT PATRIBUS SIT DEUS NOBIS
rot13
rot13
substitution
{ "type": "none", "value": null }
beginner
en
25
29
cipher_museum
2.0
public
null
null
two-square-v2-0284
EQQBLUGHTGOODNTKBUPARTTPDTOCUCAUVAGUSOMONXRGBSISHAQGNFVLOODNTKBUTIQGRRMONX
EQQBLUGHTGOODNTKBUPARTTPDTOCUCAUVAGUSOMONXRGBSISHAQGNFVLOODNTKBUTIQGRRMONX
GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW
two_square
two_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
geez-monastic-v2-0110
KJUAPVVXYDALHBLAJCJPQAJUKJUAPVVXYDALHBLAJVPBIYBDDMHNBIUKJUAPVVXYDALYBLAJXYJVIUPBIYBLAJULMJJLUKJUAPVVXYDALYBLAJAYVVUKJUAPVVBJZJMUNMMJBIJM
KJUAPVVXYDALHBLAJCJPQAJUKJUAPVVXYDALHBLAJVPBIYBDDMHNBIUKJUAPVVXYDALYBLAJXYJVIUPBIYBLAJULMJJLUKJUAPVVXYDALYBLAJAYVVUKJUAPVVBJZJMUNMMJBIJM
WE SHALL FIGHT ON THE BEACHES WE SHALL FIGHT ON THE LANDING GROUNDS WE SHALL FIGHT IN THE FIELDS AND IN THE STREETS WE SHALL FIGHT IN THE HILLS WE SHALL NEVER SURRENDER
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "ETHIOPIA" }
advanced
en
136
136
cipher_museum
2.0
public
null
null
typex-164
WBOAJYSVHBWNWYKWCKQZJEUMKVOFXEBVGKNGVPIQTDFQBHGHCRZFLYXQS
WBOAJYSVHBWNWYKWCKQZJEUMKVOFXEBVGKNGVPIQTDFQBHGHCRZFLYXQS
ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE
typex
typex
machine
{ "type": "keyword", "value": "CIPHER" }
expert
en
57
57
cipher_museum
0.2
public
null
null
playfair-v3-0753
ODSGDOCQPAOCDPCA
ODSGDOCQPAOCDPCA
RENDER UNTO CAESAR
playfair
playfair
polygraphic
{ "type": "keyword", "value": "COURAGE" }
intermediate
en
16
16
cipher_museum
2.0
public
null
null
gronsfeld-v2-0925
ISMXQAZQUBOFAQCSPNYQABVFBLEQQCZOMUAAIMQCAXITLMMWWZPTPGA
ISMXQAZQUBOFAQCSPNYQABVFBLEQQCZOMUAAIMQCAXITLMMWWZPTPGA
BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "71828" }
intermediate
en
55
55
cipher_museum
2.0
public
null
null
adfgx-v3-0269
DGDADDDDDFFGDFAGDDFFDFDGFXDXGFGXFDDXGFAFDDAGFDAXGDDAFAFDGDDFFFGFAFADFDFFDGGFDDXXAGGGDDAFGAAAAFFDFGDGAFFAAAFAAAAFGGDDFDDXXFFXGXGDFFGAAXGDAFGGGDFFAXAXGFGDDADXGDADFDAFAAADDD
DGDADDDDDFFGDFAGDDFFDFDGFXDXGFGXFDDXGFAFDDAGFDAXGDDAFAFDGDDFFFGFAFADFDFFDGGFDDXXAGGGDDAFGAAAAFFDFGDGAFFAAAFAAAAFGGDDFDDXXFFXGXGDFFGAAXGDAFGGGDFFAXAXGFGDDADXGDADFDAFAAADDD
CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE
adfgx
adfgx
fractionation
{ "polybius": "TRIUMPH", "columnar": "JUSTICE" }
advanced
en
170
170
cipher_museum
2.0
public
null
null
double-transposition-v2-0004
ETCTEHMSRBHARO
ETCTEHMSRBHARO
STORM THE BREACH
double_transposition
double_transposition
transposition
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
m209-109
JRFAOLROJIRDYLWAJUNLWZLLBKLUOQGZYKVYLLTLRQERYMWQKXYPWQA
JRFAOLROJIRDYLWAJUNLWZLLBKLUOQGZYKVYLLTLRQERYMWQKXYPWQA
TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND
m209
m209
machine
{ "type": "seed", "value": "CIPHER" }
expert
en
55
55
cipher_museum
0.2
public
null
null
playfair-v2-0447
XIOPPTLRXITBRCAFCYULKRISZNNPIYLCYHLQDNPHASLQLCBDCLTYKBGBHKRQFTIXRINPNFKBZNOVXILSKRUF
XIOPPTLRXITBRCAFCYULKRISZNNPIYLCYHLQDNPHASLQLCBDCLTYKBGBHKRQFTIXRINPNFKBZNOVXILSKRUF
VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT
playfair
playfair
polygraphic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
84
84
cipher_museum
2.0
public
null
null
geheimschreiber-v3-0084
EXHICPMWAERTMZAMOHIUIOEIVYAWIYZIKFNOEBKXZQZXGYAFHWDWTKAUNQJAHDIBSBQARYSKGN
EXHICPMWAERTMZAMOHIUIOEIVYAWIYZIKFNOEBKXZQZXGYAFHWDWTKAUNQJAHDIBSBQARYSKGN
NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "BERLIN" }
expert
en
74
74
cipher_museum
2.0
public
null
null
chaocipher-v3-0275
GSOEKXEBPIJRJRAPLEDOIJJPRFIFLMFXBTNDJKFTSFCURFTINHJNNRYWFKFVXQLNZNPYRBBHJ
GSOEKXEBPIJRJRAPLEDOIJJPRFIFLMFXBTNDJKFTSFCURFTINHJNNRYWFKFVXQLNZNPYRBBHJ
WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
73
73
cipher_museum
2.0
public
null
null
bazeries-v2-0390
JBPPBHHJRRFIYAPBGKT
JBPPBHHJRRFIYAPBGKT
MISSION ACCOMPLISHED
bazeries
bazeries
transposition
{ "type": "integer", "value": 41 }
advanced
en
19
19
cipher_museum
2.0
public
null
null
jn25-v3-0081
26199 26187 26184 26192 26194 26191 26184 26181 26100 26197 26188 26184 26183 26183 26184 26184 26195 26188 26193 26199 26187 26184 26188 26193 26199 26184 26191 26191 26188 26186 26184 26193 26182 26184 26180 26186 26184 26193 26182 26104 26195 26180 26198 26198 26184 26183 26101 26188 26199 26180 26191 26198 26184 26...
26199 26187 26184 26192 26194 26191 26184 26181 26100 26197 26188 26184 26183 26183 26184 26184 26195 26188 26193 26199 26187 26184 26188 26193 26199 26184 26191 26191 26188 26186 26184 26193 26182 26184 26180 26186 26184 26193 26182 26104 26195 26180 26198 26198 26184 26183 26101 26188 26199 26180 26191 26198 26184 26...
THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS
jn25
jn25
codebook
{ "type": "additive", "value": "16180" }
expert
en
400
479
cipher_museum
2.0
public
null
null
kl7-v2-0436
OLCFZSZNRHXKBRWIGLZBESDLUNPGDAZOFGGSXJQJMMUQCLLLFLFRULNYDMRARGDBEVMD
OLCFZSZNRHXKBRWIGLZBESDLUNPGDAZOFGGSXJQJMMUQCLLLFLFRULNYDMRARGDBEVMD
NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS
kl7
kl7
machine
{ "type": "seed", "value": "ALLIANCE" }
expert
en
68
68
cipher_museum
2.0
public
null
null
cda-0021687
Γ ┘· ─ ┘· K r ┘· ─ ⌐· X· X L ┘· ¬ ⌐· X· X r ⌐ K Γ· ┘· ─ ⌒ Γ· K r· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ ⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─...
Γ ┘· ─ ┘· K r ┘· ─ ⌐· X· X L ┘· ¬ ⌐· X· X r ⌐ K Γ· ┘· ─ ⌒ Γ· K r· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─ ⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ ┐· ┘· └ ⌒· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r r Γ· ┐· r· L ┌· X X· X L ┌ X· └ K Γ· ┐· └ L ⌐ └ ┐· r· ⌐ ¬ L K X r· Γ· ⌐· K X K r· L ┐· └ ⌐ ⌒· ⌐· ⌐ Γ· ┌· r Γ· ┐· r· L ┌· L ─...
DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION FAIL CLOSED IS A POSTURE NOT A SLOGAN POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY
pigpen
pigpen
null
{}
medium
en
67
67
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
jn25-v2-0315
21230 21249 21242 21231 21249 21238 21243 21249 21246 21249 21256 21239 21238 21244 21232 21239 21257 21249 21242 21246 21238 21244 21232 21235 21244 21232 21239 21231 21235 21256 21239 21232 21233 21243 21249 21248 21246 21259 21243 21249 21248 21244 21232 21235 21244 21257 21232 21249 21239 21256 21239 21242 21236 21...
21230 21249 21242 21231 21249 21238 21243 21249 21246 21249 21256 21239 21238 21244 21232 21239 21257 21249 21242 21246 21238 21244 21232 21235 21244 21232 21239 21231 21235 21256 21239 21232 21233 21243 21249 21248 21246 21259 21243 21249 21248 21244 21232 21235 21244 21257 21232 21249 21239 21256 21239 21242 21236 21...
FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH
jn25
jn25
codebook
{ "type": "additive", "value": "11235" }
expert
en
370
443
cipher_museum
2.0
public
null
null
cardano-autokey-v2-0217
YALWWGTVXETMWTVLZMHEFRRETAAALXAPZUIQLGYLHBRSTYALSZOFJBLTJJQILKRYRUDTWDWJGHAAFIFK
YALWWGTVXETMWTVLZMHEFRRETAAALXAPZUIQLGYLHBRSTYALSZOFJBLTJJQILKRYRUDTWDWJGHAAFIFK
THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "FLORENCE" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
scytale-v2-0595
TEUNELELHAWRHTRETAODCRNOELIAHGFCODTWSIETISTHUAOXEEDHRTHURTMXCSBTDOERTDOXRBEHFNOCYARX
TEUNELELHAWRHTRETAODCRNOELIAHGFCODTWSIETISTHUAOXEEDHRTHURTMXCSBTDOERTDOXRBEHFNOCYARX
THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW
scytale
scytale
transposition
{ "type": "integer", "value": 12 }
intermediate
en
84
84
cipher_museum
2.0
public
null
null
playfair-v3-0268
SUTBIGSXRBKIMSBEOBUNMLOHKTEFTOTLPITECKMTCMHPELZNMTDTFBMUKOFLOHQSKHPHEMMFZKETSFBUPMOTRY
SUTBIGSXRBKIMSBEOBUNMLOHKTEFTOTLPITECKMTCMHPELZNMTDTFBMUKOFLOHQSKHPHEMMFZKETSFBUPMOTRY
RSA ENCRYPTION RELIES ON THE MATHEMATICAL DIFFICULTY OF FACTORING THE PRODUCT OF TWO LARGE PRIMES
playfair
playfair
polygraphic
{ "type": "keyword", "value": "BATTLE" }
intermediate
en
86
86
cipher_museum
2.0
public
null
null
bifid-v2-0678
BFDRQTQULORPGGDXLANQDBUEQORELFMTHEZPTQDVLUXRTACXZFAPKDCHCOEWXZCLEOIBRBERHDHAUEITHQAM
BFDRQTQULORPGGDXLANQDBUEQORELFMTHEZPTQDVLUXRTACXZFAPKDCHCOEWXZCLEOIBRBERHDHAUEITHQAM
CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS
bifid
bifid
fractionation
{ "type": "keyword", "value": "TRIUMPH" }
advanced
en
84
84
cipher_museum
2.0
public
null
null
cda-0019746
HIST XRIC ALCI PHZR SARE TEAC XERS NZTP ROTE CTIO NDON OTCO NXUS EOZF USCZ TION XITH ENCR YPTI ONBZ
HIST XRIC ALCI PHZR SARE TEAC XERS NZTP ROTE CTIO NDON OTCO NXUS EOZF USCZ TION XITH ENCR YPTI ONBZ
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION
commercial_code
commercial_code
null
{}
hard
en
80
80
synthetic_educational
null
null
[ "codebook_frequency", "five_letter_group_analysis" ]
Commercial code: five-letter groups from a codebook, often ending in X or Z.
wallis-cipher-v2-0169
90 12 55 63 37 54 15 89 91 90 84 53 91 90 45 44 76 91 90 40 85 79 30 91 90 25 61 91 90 67 54 15 91 90 18 81 41 91 90 45 63 33 84 85 72 53 66 76 40 53 91 90 15 58 63 91 90 25 79 45 23 47 20 41 91 90 35 77 85 72 55 54 40 44 76 53 91
90 12 55 63 37 54 15 89 91 90 84 53 91 90 45 44 76 91 90 40 85 79 30 91 90 25 61 91 90 67 54 15 91 90 18 81 41 91 90 45 63 33 84 85 72 53 66 76 40 53 91 90 15 58 63 91 90 25 79 45 23 47 20 41 91 90 35 77 85 72 55 54 40 44 76 53 91
BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "ENGLAND" }
expert
en
154
230
cipher_museum
2.0
public
null
null
vic-v2-0142
9088918990791909248818195
9088918990791909248818195
TRUST BUT VERIFY
vic
vic
substitution
{ "type": "keyword", "value": "NICKEL" }
advanced
en
25
25
cipher_museum
2.0
public
null
null
jefferson-disk-v3-0242
TKXHBINLGIIMUNYZDCUNXMIXXDIZYIBZJOIPNLSYZHFYIMIHFUKFESKTSHILQYXCIVHGXOWIOE
TKXHBINLGIIMUNYZDCUNXMIXXDIZYIBZJOIPNLSYZHFYIMIHFUKFESKTSHILQYXCIVHGXOWIOE
CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "1,3,5,2,4,6" }
expert
en
74
74
cipher_museum
2.0
public
null
null
venona-pad-reuse-v3-0292
I7LAS4CIDDEIFNBWAPA5CF4WSH7JLAEGDBEWRPGSGABFJPH46L4LVH4IICIAO5CARCVDDPMFV4
I7LAS4CIDDEIFNBWAPA5CF4WSH7JLAEGDBEWRPGSGABFJPH46L4LVH4IICIAO5CARCVDDPMFV4
NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "FREEDOM" }
expert
en
74
74
cipher_museum
2.0
public
null
null
kryptos-v2-0351
PSFEDHKKVFDZMUOVFDYBMLWJGKKYKJBWRQMAUACPMBGDNGDPSGKJWTVQENTIVEVKVNOKZXIVN
PSFEDHKKVFDZMUOVFDYBMLWJGKKYKJBWRQMAUACPMBGDNGDPSGKJWTVQENTIVEVKVNOKZXIVN
ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "VIRTUAL" }
advanced
en
73
73
cipher_museum
2.0
public
null
null
trifid-v2-0029
LGPHYGFMPGKXRNEINIBUY
LGPHYGFMPGKXRNEINIBUY
PATIENCE BRINGS VICTORY
trifid
trifid
fractionation
{ "type": "keyword", "value": "PALACE" }
advanced
en
21
21
cipher_museum
2.0
public
null
null
noisy-vigenere-ocr_light-006
NMIVRXJIEZTAWVYRWDFSYEELLLGLRVJICBEUDIEZTAWVHFVMZVGVGXFXWIMXK
NMIVRXJIEZTAWVYRWDFSYEELLLGLRVJICBEUDIEZTAWVHFVMZVGVGXFXWIMXK
VIGENERE CIPHER WAS KNOWN AS THE UNBREAKABLE CIPHER FOR THREE CENTURIES
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "SECRET" }
intermediate
en
61
61
cipher_museum
0.2
public
null
null
four-square-v2-0063
GIRDNLTMNIZBCSHTYKQKCSBTSGAHPVLHFSMNNVTMNRBTRYGMPZAUEANCPZLUSFPIMINSOETDSF
GIRDNLTMNIZBCSHTYKQKCSBTSGAHPVLHFSMNNVTMNRBTRYGMPZAUEANCPZLUSFPIMINSOETDSF
FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH
four_square
four_square
polygraphic
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
affine-v2-1515
HKFJ BHC FARC
HKFJ BHC FARC
HOLD THE LINE
affine
affine
substitution
{ "a": 19, "b": 4 }
beginner
en
11
13
cipher_museum
2.0
public
null
null
cda-0020326
SQWZJ WXPLV HNDYO QYYGO JNBGG ADJJD GSQVK IZQGP DORLB EWRHU BEGVP QQGNW KMCRW GCEFY BHALI PSTBP QRDKU OLJIY ZOKDO FKTYE CXITR IGZJS VXWKG FWYBF ORTEW QZHUM KVYKH RJTDV VNCXG SZPVR LOKYW CQQGJ JEZMP SSSOA YBD
SQWZJ WXPLV HNDYO QYYGO JNBGG ADJJD GSQVK IZQGP DORLB EWRHU BEGVP QQGNW KMCRW GCEFY BHALI PSTBP QRDKU OLJIY ZOKDO FKTYE CXITR IGZJS VXWKG FWYBF ORTEW QZHUM KVYKH RJTDV VNCXG SZPVR LOKYW CQQGJ JEZMP SSSOA YBD
FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY
vernam
vernam
null
{}
hard
en
173
173
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
typex-v3-0273
AAHHIPIOBFWOGUASFYHHOJFIWFXMJAHKKQDJBJKRUHCUEILYPCITPUCAGJITYSEHBNOWHLFEXGI
AAHHIPIOBFWOGUASFYHHOJFIWFXMJAHKKQDJBJKRUHCUEILYPCITPUCAGJITYSEHBNOWHLFEXGI
THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL
typex
typex
machine
{ "type": "keyword", "value": "EMPIRE" }
expert
en
75
75
cipher_museum
2.0
public
null
null
trithemius-v3-0035
TIG DTURL NJVWE
TIG DTURL NJVWE
THE APPLE FALLS
trithemius
trithemius
polyalphabetic
{ "type": "none", "value": null }
beginner
en
13
15
cipher_museum
2.0
public
null
null
playfair-v2-0601
URIGZRZQDINFDU
URIGZRZQDINFDU
COVER MY RETREAT
playfair
playfair
polygraphic
{ "type": "keyword", "value": "JUSTICE" }
intermediate
en
14
14
cipher_museum
2.0
public
null
null
trifid-v2-0375
CMKEVOIUJK+ICGUORMQUTAILRWDECG+PCGPSOELQIXCDPIDJTMCBHKOCJDKDLDJKADPCGIZLKEELLUQZGYXOZBMDIEQIKHTCIOVBOIOZFLKEYYEPRGBFRCGAE+ECVBRRD+LHCDGAIRCPACBLIGFHKSIVGXBDQCKPYHB
CMKEVOIUJK+ICGUORMQUTAILRWDECG+PCGPSOELQIXCDPIDJTMCBHKOCJDKDLDJKADPCGIZLKEELLUQZGYXOZBMDIEQIKHTCIOVBOIOZFLKEYYEPRGBFRCGAE+ECVBRRD+LHCDGAIRCPACBLIGFHKSIVGXBDQCKPYHB
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
trifid
trifid
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
163
163
cipher_museum
2.0
public
null
null
caesar-v3-1192
USDD EW AKZESWD KGEW QWSJK SYG FWNWJ EAFV ZGO DGFY HJWUAKWDQ A LZGMYZL A OGMDV KSAD STGML SFV KWW LZW GUWSF
USDD EW AKZESWD KGEW QWSJK SYG FWNWJ EAFV ZGO DGFY HJWUAKWDQ A LZGMYZL A OGMDV KSAD STGML SFV KWW LZW GUWSF
CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN
caesar
caesar
substitution
{ "type": "shift", "value": 18 }
beginner
en
87
107
cipher_museum
2.0
public
null
null
lorenz-v2-0466
AWAISMYSIGNAL
AWAISMYSIGNAL
AWAIT MY SIGNAL
lorenz
lorenz
machine
{ "type": "seed", "value": "STURGEON" }
expert
en
13
13
cipher_museum
2.0
public
null
null
two-square-036
PHLTHEZYTHFQPPRCHKXPDAFFRLEMXMXPDWOMXMMEQYCKPLAYERSX
PHLTHEZYTHFQPPRCHKXPDAFFRLEMXMXPDWOMXMMEQYCKPLAYERSX
ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS
two_square
two_square
polygraphic
{ "key1": "EXAMPLE", "key2": "KEYWORD" }
advanced
en
52
52
cipher_museum
0.2
public
null
null
gronsfeld-214
JZXISUNFJETZPNTJSFAIUCBATIKXWRTZPNTJSFA
JZXISUNFJETZPNTJSFAIUCBATIKXWRTZPNTJSFA
IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "16180" }
intermediate
en
39
39
cipher_museum
0.2
public
null
null
monoalphabetic-v3-0258
EK JY ROBEKKEKB ES JY OKG DKG EK JY OKG ES JY ROBEKKEKB DS TCO PUOOK LN SALTS HKOW WOII
EK JY ROBEKKEKB ES JY OKG DKG EK JY OKG ES JY ROBEKKEKB DS TCO PUOOK LN SALTS HKOW WOII
IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "DRAGON" }
beginner
en
68
87
cipher_museum
2.0
public
null
null
null-cipher-v3-0043
many each sound sentence any give each right each call each its very each did call live each after right long year
many each sound sentence any give each right each call each its very each did call live each after right long year
MESSAGE RECEIVED CLEARLY
null_cipher
null_cipher
steganography
{ "type": "position", "value": "first" }
advanced
en
93
114
cipher_museum
2.0
public
null
null
stager-route-v2-0397
CENONMATADECTXXHAXXSBXXE
CENONMATADECTXXHAXXSBXXE
CONTACT HAS BEEN MADE
stager_route
stager_route
transposition
{ "type": "integer", "value": 12 }
expert
en
24
24
cipher_museum
2.0
public
null
null
jn25-v2-0156
09911 09997 09907 09992 09903 09901 09995 09919 09999 09906 09992 09907 09908 09996 09993 09995 09999 09908 09993
09911 09997 09907 09992 09903 09901 09995 09919 09999 09906 09992 09907 09908 09996 09993 09995 09999 09908 09993
WISDOM GUARDS THE GATE
jn25
jn25
codebook
{ "type": "additive", "value": "99999" }
expert
en
95
113
cipher_museum
2.0
public
null
null
typex-v2-0377
AAHLLFUAGQURGERQRZHBMZRAKHSYDLHHHRRBHZQEFNAFZVXTMMVYVTZHUCDEOYNMSZCPNFHHGKJPKVAEBJLSQJXFBHEDIOACULLBGFTVIVQIJRSPSGUANJXMPUDYAXZBWKCEUULHOQDIKJMRDOZPIERAKDXNXBXJXZAXTDIMXDGY
AAHLLFUAGQURGERQRZHBMZRAKHSYDLHHHRRBHZQEFNAFZVXTMMVYVTZHUCDEOYNMSZCPNFHHGKJPKVAEBJLSQJXFBHEDIOACULLBGFTVIVQIJRSPSGUANJXMPUDYAXZBWKCEUULHOQDIKJMRDOZPIERAKDXNXBXJXZAXTDIMXDGY
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
typex
typex
machine
{ "type": "keyword", "value": "EMPIRE" }
expert
en
172
172
cipher_museum
2.0
public
null
null
diana-v2-0235
WLLVEJHNBNYPTHBLPLEIHFWEJAFHABZJBWRFHLYFISSWAKUVLGLNUGADFJAPEJLHNQPCJHAXEKQWZREAZILWOPTUVUSEWXYQGWBLSYZGIMLQXPTHWBNRFVXBWXYRWJZHLIFWXNBKLANSOCLUUNTPBMOXWZFEGNOZAKXX
WLLVEJHNBNYPTHBLPLEIHFWEJAFHABZJBWRFHLYFISSWAKUVLGLNUGADFJAPEJLHNQPCJHAXEKQWZREAZILWOPTUVUSEWXYQGWBLSYZGIMLQXPTHWBNRFVXBWXYRWJZHLIFWXNBKLANSOCLUUNTPBMOXWZFEGNOZAKXX
WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH
diana
diana
polyalphabetic
{ "type": "keyword", "value": "SPECIAL" }
intermediate
en
164
164
cipher_museum
2.0
public
null
null
voynich-render-035
kr joq gcd liqof kx gi gcd ncuxkyof ox gcqdd kx gi ird
kr joq gcd liqof kx gi gcd ncuxkyof ox gcqdd kx gi ird
IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE
voynich_render
voynich_render
substitution
{ "type": "none", "value": null }
expert
en
42
54
cipher_museum
0.2
public
null
null
hill-v3-0443
WVYSIKJESWZWXDDYATYI
WVYSIKJESWZWXDDYATYI
THE COMPASS POINTS TRUE
hill
hill
polygraphic
{ "a": 11, "b": 3, "c": 2, "d": 5 }
advanced
en
20
20
cipher_museum
2.0
public
null
null
purple-v2-0176
AABHLYCFBKTITGQXGAFUSNCFUWIMKJKGEOODIKWKJSOTUNCBDMVLXTMVHIGEQBRFVCRWHFDOGK
AABHLYCFBKTITGQXGAFUSNCFUWIMKJKGEOODIKWKJSOTUNCBDMVLXTMVHIGEQBRFVCRWHFDOGK
GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW
purple
purple
machine
{ "type": "seed", "value": "YAMAMOTO" }
expert
en
74
74
cipher_museum
2.0
public
null
null
columnar-transposition-v3-0648
ITEWWITISDUNHHS
ITEWWITISDUNHHS
THE WIND IS WITH US
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
15
15
cipher_museum
2.0
public
null
null
slidex-v3-0230
EGCZDSGQZISHEWSLWY
EGCZDSGQZISHEWSLWY
DEAD MEN TELL NO TALES
slidex
slidex
transposition
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
18
18
cipher_museum
2.0
public
null
null
geheimschreiber-189
CKDLNGFDRQJKENLFXJRKY
CKDLNGFDRQJKENLFXJRKY
SUPPLY LINE COMPROMISED
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
21
21
cipher_museum
0.2
public
null
null
chinese-telegraph-v2-0109
1672 0285 1421 0472 0285 1255 0285 0347 0918 1255 0285 1421 0472 0285 1255 0285 1024 1255 0285 1346 0285 0856 1421 0012 1421 0538 1599 0285 1346 0918 0347 1421 0472 0285 1503 0856 0538 1421 0285 0219 1346 1421 0012 1421 0285 1346 0918 0347 0012 0792 0285 1255 0538 0156 0012 0538 0856 0408 0285 0856 0285 1255 0012 0729 ...
1672 0285 1421 0472 0285 1255 0285 0347 0918 1255 0285 1421 0472 0285 1255 0285 1024 1255 0285 1346 0285 0856 1421 0012 1421 0538 1599 0285 1346 0918 0347 1421 0472 0285 1503 0856 0538 1421 0285 0219 1346 1421 0012 1421 0285 1346 0918 0347 0012 0792 0285 1255 0538 0156 0012 0538 0856 0408 0285 0856 0285 1255 0012 0729 ...
WE THEREFORE THE REPRESENTATIVES OF THE UNITED STATES OF AMERICA IN GENERAL CONGRESS ASSEMBLED APPEALING TO THE SUPREME JUDGE OF THE WORLD FOR THE RECTITUDE OF OUR INTENTIONS DO SOLEMNLY PUBLISH
chinese_telegraph
chinese_telegraph
codebook
{ "type": "none", "value": null }
expert
en
656
819
cipher_museum
2.0
public
null
null
commercial-code-v2-0081
ZUZUZ SAZUZ CAZUZ XAZUZ GAZUZ WAZUZ CEZUZ BAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ GAZUZ FEZUZ TAZUZ GAZUZ WAZUZ LAZUZ QAZUZ GAZUZ RAZUZ ZAZUZ XUZUZ DABAB ZUZUZ WAZUZ GAZUZ BAZUZ XAZUZ SAZUZ RAZUZ XUZUZ SABAB BABAB ZUZUZ ZAZUZ KAZUZ WAZUZ GAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ LAZUZ PAZUZ PAZUZ BAZUZ WAZUZ XAZUZ XUZUZ CABAB KE...
ZUZUZ SAZUZ CAZUZ XAZUZ GAZUZ WAZUZ CEZUZ BAZUZ ZAZUZ LAZUZ SAZUZ RAZUZ XUZUZ ZUZUZ GAZUZ FEZUZ TAZUZ GAZUZ WAZUZ LAZUZ QAZUZ GAZUZ RAZUZ ZAZUZ XUZUZ DABAB ZUZUZ WAZUZ GAZUZ BAZUZ XAZUZ SAZUZ RAZUZ XUZUZ SABAB BABAB ZUZUZ ZAZUZ KAZUZ WAZUZ GAZUZ GAZUZ XUZUZ ZUZUZ TAZUZ LAZUZ PAZUZ PAZUZ BAZUZ WAZUZ XAZUZ XUZUZ CABAB KE...
OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS
commercial_code
commercial_code
codebook
{ "type": "none", "value": null }
expert
en
430
515
cipher_museum
2.0
public
null
null
cda-0016206
ABBBA AABAA AABAA BAAAA BAAAA AABAA BAABB ABAAA AABAA BABAA AAAAA ABBAA AAABB BAAAA AABAA ABBBA BAAAA ABBAB AAABB BAABB AAABA ABAAA AAAAB ABAAA ABABA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA ABAAA ABBAA BAAAA AABAA BAAAB AABAA AAAAA BAAAA AAABA AABBB AAABA AAAAA AABAA BAAAB AAAAA BAAAA BAAAB AABBB ABAAA AA...
ABBBA AABAA AABAA BAAAA BAAAA AABAA BAABB ABAAA AABAA BABAA AAAAA ABBAA AAABB BAAAA AABAA ABBBA BAAAA ABBAB AAABB BAABB AAABA ABAAA AAAAB ABAAA ABABA ABAAA BAABA BABBA ABABB AAAAA BAABA BAABA AABAA BAAAA ABAAA ABBAA BAAAA AABAA BAAAB AABAA AAAAA BAAAA AAABA AABBB AAABA AAAAA AABAA BAAAB AAAAA BAAAA BAAAB AABBB ABAAA AA...
PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION
bacon_cipher
bacon_cipher
null
{}
hard
en
605
605
synthetic_educational
null
null
[ "five_bit_decode", "ab_frequency_analysis" ]
Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.
running-key-v3-0022
ISUUEGBXEYOFSOEYCW
ISUUEGBXEYOFSOEYCW
DEAD MEN TELL NO TALES
running_key
running_key
polyalphabetic
{ "type": "text", "value": "Gettysburg Address opening" }
intermediate
en
18
18
cipher_museum
2.0
public
null
null
hill-v2-0627
LIJPCCZHNGHUBYHUBMPQKGXJLQXJTAHUTCVABVBHRPTCLVWVLOZUNGFVQWJVNGFVWVYSXJLQGGYZFRBMACFRBSVAPGLVGGWVHDRWXQRTDFDQTCLSUUWVIAMVYSZAJKMCWVRPTFAGJDRPHOCAXDTDLIZHEEANHHXJUUSX
LIJPCCZHNGHUBYHUBMPQKGXJLQXJTAHUTCVABVBHRPTCLVWVLOZUNGFVQWJVNGFVWVYSXJLQGGYZFRBMACFRBSVAPGLVGGWVHDRWXQRTDFDQTCLSUUWVIAMVYSZAJKMCWVRPTFAGJDRPHOCAXDTDLIZHEEANHHXJUUSX
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
hill
hill
polygraphic
{ "a": 11, "b": 3, "c": 2, "d": 5 }
advanced
en
164
164
cipher_museum
2.0
public
null
null
fractionated-morse-265
COQYBBPSYCVBKPBYBD
COQYBBPSYCVBKPBYBD
SILENCE IS GOLDEN
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "CRYPTIC" }
advanced
en
18
18
cipher_museum
0.2
public
null
null
affine-v3-0564
JDI VGKFEGS GVVKXIC
JDI VGKFEGS GVVKXIC
THE RAILWAY ARRIVES
affine
affine
substitution
{ "a": 7, "b": 6 }
beginner
en
17
19
cipher_museum
2.0
public
null
null
columnar-transposition-v2-0232
ANEUNEEHEDGRBLCHCSPIKEDECAARIPPNEROTLYNRHRSNMOBTTVRLUANSEDEDIOMLISNUACSEROMILPGOE
ANEUNEEHEDGRBLCHCSPIKEDECAARIPPNEROTLYNRHRSNMOBTTVRLUANSEDEDIOMLISNUACSEROMILPGOE
GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "FORTRESS" }
intermediate
en
81
81
cipher_museum
2.0
public
null
null
porta-v2-0290
WURWHRJFWYSURAZCQNMNKI
WURWHRJFWYSURAZCQNMNKI
FLEET ASSEMBLES AT HARBOR
porta
porta
polyalphabetic
{ "type": "keyword", "value": "ITALY" }
intermediate
en
22
22
cipher_museum
2.0
public
null
null
cda-0013913
YBIFQFZQJVFAVQULTNXXDTIQORHTCIFANNXPHSLXFOMYOJVUXLETCRBWNSQXGSFYPWRCCSCMYWGXGCBFKKGAXYAGOSHMEXSRNGVMHIGGVUGMHTWRACBQRXVAOHVPNZCBV
YBIFQFZQJVFAVQULTNXXDTIQORHTCIFANNXPHSLXFOMYOJVUXLETCRBWNSQXGSFYPWRCCSCMYWGXGCBFKKGAXYAGOSHMEXSRNGVMHIGGVUGMHTWRACBQRXVAOHVPNZCBV
ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE FAIL CLOSED IS A POSTURE NOT A SLOGAN POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE
vernam
vernam
null
{}
hard
en
129
129
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
copiale-095
F0 G8 Y8 O2 V7 B0 P0 A4 C4 U4 V7 A1 B4 F0 O5 Q3 U4 E9 B7 A9 O7 T3 U7 O5 F0 S3 G3 Y0 A0 O5 Z8 D2 B5 A4 P7 C1 Y9 Z8 L9 Q2 H7 C3
F0 G8 Y8 O2 V7 B0 P0 A4 C4 U4 V7 A1 B4 F0 O5 Q3 U4 E9 B7 A9 O7 T3 U7 O5 F0 S3 G3 Y0 A0 O5 Z8 D2 B5 A4 P7 C1 Y9 Z8 L9 Q2 H7 C3
IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE
copiale
copiale
substitution
{ "type": "keyword", "value": "CIPHER" }
advanced
en
84
125
cipher_museum
0.2
public
null
null
affine-304
JWBHWZRQCY ON MEHBEAPN
JWBHWZRQCY ON MEHBEAPN
RENDEZVOUS AT MIDNIGHT
affine
affine
substitution
{ "a": 15, "b": 14 }
beginner
en
20
22
cipher_museum
0.2
public
null
null
caesar-v3-0097
UIF MPSE PVS HPE JT POF MPSE BOE UIPV TIBMU MPWF UIF MPSE UIZ HPE XJUI BMM UIJOF IFBSU BOE XJUI BMM UIZ TPVM BOE XJUI BMM UIZ NJHIU BOE UIFTF XPSET XIJDI J DPNNBOE UIFF UIJT EBZ TIBMM CF JO UIJOF IFBSU
UIF MPSE PVS HPE JT POF MPSE BOE UIPV TIBMU MPWF UIF MPSE UIZ HPE XJUI BMM UIJOF IFBSU BOE XJUI BMM UIZ TPVM BOE XJUI BMM UIZ NJHIU BOE UIFTF XPSET XIJDI J DPNNBOE UIFF UIJT EBZ TIBMM CF JO UIJOF IFBSU
THE LORD OUR GOD IS ONE LORD AND THOU SHALT LOVE THE LORD THY GOD WITH ALL THINE HEART AND WITH ALL THY SOUL AND WITH ALL THY MIGHT AND THESE WORDS WHICH I COMMAND THEE THIS DAY SHALL BE IN THINE HEART
caesar
caesar
substitution
{ "type": "shift", "value": 1 }
beginner
en
159
201
cipher_museum
2.0
public
null
null
venona-pad-reuse-v3-0150
YPFBRRLFZZV7TJZ
YPFBRRLFZZV7TJZ
THE FACTORY ROARS
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "LIBERTY" }
expert
en
15
15
cipher_museum
2.0
public
null
null
nomenclator-v3-0121
60 70 04 05 13 01 14 04 19 06 05 01 12 20 25
60 70 04 05 13 01 14 04 19 06 05 01 12 20 25
THE KING DEMANDS FEALTY
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "PALACE" }
expert
en
30
44
cipher_museum
2.0
public
null
null
two-square-v2-0282
BKQIHEWOUHFIASREDDPPDECSCHPPTPPUQCMKFONEXTRFQWPARTSOQHMBFUKQEATSREDD
BKQIHEWOUHFIASREDDPPDECSCHPPTPPUQCMKFONEXTRFQWPARTSOQHMBFUKQEATSREDD
ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE
two_square
two_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
68
68
cipher_museum
2.0
public
null
null