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2.11k
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stringlengths
6
2.11k
plaintext
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
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2 values
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1 value
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listlengths
0
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educational_note
stringclasses
32 values
cda-0015465
... . -.-. ..- .-. .. - -.-- / -.-. .-.. .- .. -- ... / ... .... --- ..- .-.. -.. / -... . / - . ... - . -.. / ..- -. -.. . .-. / ... -.-. .-. ..- - .. -. -.-- / -.. --- ..- -... .-.. . / - .-. .- -. ... .--. --- ... .. - .. --- -. / .- .--. .--. .-.. .. . ... / -.-. --- .-.. ..- -- -. .- .-. / . -. -.-. .-. -.-- .--. ...
... . -.-. ..- .-. .. - -.-- / -.-. .-.. .- .. -- ... / ... .... --- ..- .-.. -.. / -... . / - . ... - . -.. / ..- -. -.. . .-. / ... -.-. .-. ..- - .. -. -.-- / -.. --- ..- -... .-.. . / - .-. .- -. ... .--. --- ... .. - .. --- -. / .- .--. .--. .-.. .. . ... / -.-. --- .-.. ..- -- -. .- .-. / . -. -.-. .-. -.-- .--. ...
SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY
morse_code
morse_code
null
{}
hard
en
134
134
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
four-square-v3-0058
SGCUGFKRCENCOTTRNNPGDSIARLPILBIBVBLPSGAUSUTFLIPTVBKPXLBTRDCELBTKSRSGEOIBFN
SGCUGFKRCENCOTTRNNPGDSIARLPILBIBVBLPSGAUSUTFLIPTVBKPXLBTRDCELBTKSRSGEOIBFN
THE THIN RED LINE STOOD FIRM AT BALACLAVA AS THE RUSSIAN CAVALRY CHARGED ACROSS THE PLAIN
four_square
four_square
polygraphic
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
diana-168
KZEDKJFQGQQALGOXNBOTXRRQUQIAAGOSETQZFAYORFZZYRNALALNMZHL
KZEDKJFQGQQALGOXNBOTXRRQUQIAAGOSETQZFAYORFZZYRNALALNMZHL
IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT
diana
diana
polyalphabetic
{ "type": "keyword", "value": "SECRET" }
intermediate
en
56
56
cipher_museum
0.2
public
null
null
sigaba-v2-0217
YODWLLLQIWCOVXBYIJWHVSPFOPWFYZXXMIGVWOZXGNBUEVHJSNADUJSACOKKZMFVMBDOACCNVRFZQHJT
YODWLLLQIWCOVXBYIJWHVSPFOPWFYZXXMIGVWOZXGNBUEVHJSNADUJSACOKKZMFVMBDOACCNVRFZQHJT
THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW
sigaba
sigaba
machine
{ "type": "seed", "value": "ARMY" }
expert
en
80
80
cipher_museum
2.0
public
null
null
typex-084
QZPNPGKMCN
QZPNPGKMCN
TRUST NO ONE
typex
typex
machine
{ "type": "keyword", "value": "BLETCHLEY" }
expert
en
10
10
cipher_museum
0.2
public
null
null
cda-0021351
⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w08⟩ ⟨w22⟩ ⟨a01⟩ ⟨w10⟩ ⟨w26⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨a23⟩ ⟨w20⟩ ⟨a01⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w...
⟨a23⟩ ⟨w08⟩ ⟨w32⟩ ⟨a01⟩ ⟨w14⟩ ⟨a01⟩ ⟨w10⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨a25⟩ ⟨w28⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w10⟩ ⟨a25⟩ ⟨w08⟩ ⟨w22⟩ ⟨a01⟩ ⟨w10⟩ ⟨w26⟩ ⟨w08⟩ ⟨a07⟩ ⟨w26⟩ ⟨a19⟩ ⟨w10⟩ ⟨a07⟩ ⟨w22⟩ ⟨a23⟩ ⟨w20⟩ ⟨a01⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨w22⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨w26⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨w16⟩ ⟨w28⟩ ⟨w...
FAIL CLOSED IS A POSTURE NOT A SLOGAN GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE
babington
babington
null
{}
hard
en
113
113
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
caesar-v3-0578
CQN URPQC HXD BNN OAXV MRBCJWC BCJAB UNOC CQXBN BDWB CQXDBJWMB XO HNJAB KNOXAN HXDA KRACQ
CQN URPQC HXD BNN OAXV MRBCJWC BCJAB UNOC CQXBN BDWB CQXDBJWMB XO HNJAB KNOXAN HXDA KRACQ
THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH
caesar
caesar
substitution
{ "type": "shift", "value": 9 }
beginner
en
74
89
cipher_museum
2.0
public
null
null
cardano-autokey-v2-0174
FLWEALAKFCOVSSLTGKENQHECJTMNVVUPALBUQTALYQEMNLNPRKLGBYTNJWYXVETLLTGK
FLWEALAKFCOVSSLTGKENQHECJTMNVVUPALBUQTALYQEMNLNPRKLGBYTNJWYXVETLLTGK
ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "FLORENCE" }
advanced
en
68
68
cipher_museum
2.0
public
null
null
cda-0020619
847 844 833 874 802 834 846 823 800 804 813 857 825 808 999 806 824 847 821 813 852 856 999 861 855 813 999 838 862 833 859 825 846 834 813 999 801 833 846 822 801 804 814 857 999 856 822 826 815 857 854 999 800 839 999 802 816 815 826 839 813 999 808 826 845 823 812 853 999 802 846 847 833 826 812 854 999 801 999 833 ...
847 844 833 874 802 834 846 823 800 804 813 857 825 808 999 806 824 847 821 813 852 856 999 861 855 813 999 838 862 833 859 825 846 834 813 999 801 833 846 822 801 804 814 857 999 856 822 826 815 857 854 999 800 839 999 802 816 815 826 839 813 999 808 826 845 823 812 853 999 802 846 847 833 826 812 854 999 801 999 833 ...
POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER
culper_ring
culper_ring
null
{}
hard
en
94
94
synthetic_educational
null
null
[ "codebook_frequency", "number_range_analysis" ]
Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
cda-0015289
8.6.4 16.2.7 19.1.7 9.1.1 10.1.9 2.5.8 18.5.10 1.1.2 13.6.7 3.6.2 7.1.6 17.2.4 16.4.7 16.3.5 6.2.5 1.3.3 5.5.4 3.6.1 8.5.6 13.4.1 6.1.8 7.5.2 13.2.1 12.2.6 9.5.9 4.4.1 3.3.1 3.2.4 16.2.9 13.5.1 16.1.10 15.2.5 19.4.1 7.1.2 8.3.3 18.1.2 9.5.5 9.4.10 8.4.2 8.6.7 8.3.6 1.1.6 19.5.7 18.2.7 2.4.5 18.5.9 8.6.2 18.5.7 1.1.7 10...
8.6.4 16.2.7 19.1.7 9.1.1 10.1.9 2.5.8 18.5.10 1.1.2 13.6.7 3.6.2 7.1.6 17.2.4 16.4.7 16.3.5 6.2.5 1.3.3 5.5.4 3.6.1 8.5.6 13.4.1 6.1.8 7.5.2 13.2.1 12.2.6 9.5.9 4.4.1 3.3.1 3.2.4 16.2.9 13.5.1 16.1.10 15.2.5 19.4.1 7.1.2 8.3.3 18.1.2 9.5.5 9.4.10 8.4.2 8.6.7 8.3.6 1.1.6 19.5.7 18.2.7 2.4.5 18.5.9 8.6.2 18.5.7 1.1.7 10...
THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE MESSAGE WAS HIDDEN BUT NOT SECURE PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH
arnold_andre
arnold_andre
null
{}
hard
en
118
118
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
kama-sutra-v2-0167
XEE WIXW JEHWWLYU HU QCW JCEM CKWLQ IXZL RCS ILXYM WIXW WCEM
XEE WIXW JEHWWLYU HU QCW JCEM CKWLQ IXZL RCS ILXYM WIXW WCEM
ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "VATSYANA" }
intermediate
en
49
60
cipher_museum
2.0
public
null
null
autokey-v2-0358
RMOIITJUVQIISYIDEIIGAYMMPTCZQUYTEOFUIAAUHTTZOWWUCCJQXIQWJGCZXKYSXCXHCIDRXGVZVGKAZ
RMOIITJUVQIISYIDEIIGAYMMPTCZQUYTEOFUIAAUHTTZOWWUCCJQXIQWJGCZXKYSXCXHCIDRXGVZVGKAZ
GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
81
81
cipher_museum
2.0
public
null
null
cda-0013347
. . .... ... .... .... .... .. ... .... ... ... .. .. . ... ... . . . .. .... ... .. ... ... . ..... . ..... . .... .... ... .... ... .... .... .... .. ... .... ... ... .. .. . ..... ..... . .. .... . .... . ..... ... ... . ... . .....
. . .... ... .... .... .... .. ... .... ... ... .. .. . ... ... . . . .. .... ... .. ... ... . ..... . ..... . .... .... ... .... ... .... .... .... .. ... .... ... ... .. .. . ..... ..... . .. .... . .... . ..... ... ... . ... . .....
A STRONG CLAIM NEEDS STRONG EVIDENCE
tap_code
tap_code
null
{}
medium
en
31
31
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.
two-square-155
RITIENTARYLZDEFOVGSFQGSMEGGHEISAARUGFAGEKARQIMLGFHHBRKNBCW
RITIENTARYLZDEFOVGSFQGSMEGGHEISAARUGFAGEKARQIMLGFHHBRKNBCW
ELEMENTARY MY DEAR WATSON THE GAME IS AFOOT AND THE CRIMINAL IS CLOSE
two_square
two_square
polygraphic
{ "key1": "SECRET", "key2": "AGENTS" }
advanced
en
58
58
cipher_museum
0.2
public
null
null
cda-0013997
AH-JAH / GAH / A-KHA / TSAH / DIBEH / MA-E / DZEH / DIBEH-YAZZIE / BE / NO-DA-IH / DIBEH / DZEH / DIBEH / WOL-LA-CHEE / BE / TKIN / AH-JAH / TKIN / THAN-ZIE / DIBEH / DZEH / CA-YEILTH / NO-DA-IH / DZEH / TSAH / MOASI /...
AH-JAH / GAH / A-KHA / TSAH / DIBEH / MA-E / DZEH / DIBEH-YAZZIE / BE / NO-DA-IH / DIBEH / DZEH / DIBEH / WOL-LA-CHEE / BE / TKIN / AH-JAH / TKIN / THAN-ZIE / DIBEH / DZEH / CA-YEILTH / NO-DA-IH / DZEH / TSAH / MOASI /...
GRONSFELD USES A DIGIT SEQUENCE AS THE REPEATING KEY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE ARCHITECTURE SHOULD MAKE MISUSE HARDER
navajo_code
navajo_code
null
{}
hard
en
203
203
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
double-transposition-v2-0101
LCTSLSMWHELETEENEATCEDIEBUNULIDRLURDHSWRNBLRUZAHDTEENNUSZTSMNSRESZATDTCUUTHEZ
LCTSLSMWHELETEENEATCEDIEBUNULIDRLURDHSWRNBLRUZAHDTEENNUSZTSMNSRESZATDTCUUTHEZ
DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT
double_transposition
double_transposition
transposition
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
77
77
cipher_museum
2.0
public
null
null
one-time-pad-v3-0159
JDIAHSLVSNOXDYNVDCLMAODMRERAKZGQQQHWAKLSMSNCEDMCNMNAJVYNKMNMZDNYDLUPWMSHKC
JDIAHSLVSNOXDYNVDCLMAODMRERAKZGQQQHWAKLSMSNCEDMCNMNAJVYNKMNMZDNYDLUPWMSHKC
THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
74
74
cipher_museum
2.0
public
null
null
cda-0018191
MRWBP ZMXXZ KBVIR OKFMU OKIVX WVEBV FVQBM EZFCI PXZXB FKN
MRWBP ZMXXZ KBVIR OKFMU OKIVX WVEBV FVQBM EZFCI PXZXB FKN
AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER
one_time_pad
one_time_pad
null
{}
medium
en
48
48
synthetic_educational
null
null
[ "information_theoretic_proof", "key_reuse_attack" ]
One-time pad: theoretically unbreakable if key is truly random and never reused.
vic-v3-0270
584341838458882584389388890358885338978781237474869191847008788523187824187833812658438238134708388933487863875
584341838458882584389388890358885338978781237474869191847008788523187824187833812658438238134708388933487863875
THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT
vic
vic
substitution
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
111
111
cipher_museum
2.0
public
null
null
m209-v3-0050
WRPDACVWOPWRYVLSGZPAEPASPPHZPZWLRGBAWTRSVOWFKLWYLJZBRPYJZPKJSQYIHZTT
WRPDACVWOPWRYVLSGZPAEPASPPHZPZWLRGBAWTRSVOWFKLWYLJZBRPYJZPKJSQYIHZTT
IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL
m209
m209
machine
{ "type": "seed", "value": "ARMY" }
expert
en
68
68
cipher_museum
2.0
public
null
null
fractionated-morse-v2-0423
NFSSAPFWNRUMDAGXKXFABAWNLIFUDADVEBTAMAPBEEPNMFXRBLDAGWNLMFVSWAFXNFUGTVL
NFSSAPFWNRUMDAGXKXFABAWNLIFUDADVEBTAMAPBEEPNMFXRBLDAGWNLMFVSWAFXNFUGTVL
THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
71
71
cipher_museum
2.0
public
null
null
wheatstone-067
CIMQTKDSSDMLLMW
CIMQTKDSSDMLLMW
ABORT MISSION NOW
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "CIPHER" }
advanced
en
15
15
cipher_museum
0.2
public
null
null
bazeries-v3-0568
YFDDSXYSFNMAWYFHMDVSMLSYLYQYGHHNTGAFJVGHDRYMAXYLHNOAWDRAONVPSMTDPHPHISDAYMTGSOXHYNOYGSY
YFDDSXYSFNMAWYFHMDVSMLSYLYQYGHHNTGAFJVGHDRYMAXYLHNOAWDRAONVPSMTDPHPHISDAYMTGSOXHYNOYGSY
CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN
bazeries
bazeries
transposition
{ "type": "integer", "value": 67 }
advanced
en
87
87
cipher_museum
2.0
public
null
null
gronsfeld-v2-1002
AIMHCUEIOMUUINXYPJNMTPNEWTNCPQJBBKWUJAVPHUWHZLQZQLBDQPOHUWPMWPQPBLJBJMYFFCKAMGQZHQXTWEJUCBLMGCULTACOLTMNMJUMFIABVQBOFZRWPOBHZLRCGVAMGVPLNMUAHHMUPHWMOMHOQPOHOLTMMFZVWWIGUQJBTEWUDMRBZ
AIMHCUEIOMUUINXYPJNMTPNEWTNCPQJBBKWUJAVPHUWHZLQZQLBDQPOHUWPMWPQPBLJBJMYFFCKAMGQZHQXTWEJUCBLMGCULTACOLTMNMJUMFIABVQBOFZRWPOBHZLRCGVAMGVPLNMUAHHMUPHWMOMHOQPOHOLTMMFZVWWIGUQJBTEWUDMRBZ
THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "71828" }
intermediate
en
181
181
cipher_museum
2.0
public
null
null
bifid-v3-0016
CACTNBVPRGZFUUWFM
CACTNBVPRGZFUUWFM
ARCHERS TO THE WALLS
bifid
bifid
fractionation
{ "type": "keyword", "value": "PALACE" }
advanced
en
17
17
cipher_museum
2.0
public
null
null
sigaba-v3-0306
FDEAHQGPEKIRRTNQKUUZMGTDCCFPUVXTTPOMEBPQMMMLEEASSSWIFFPPBEVHAKHIHWRXHAEUJXXALVGWROPOWUNFLOFKGZZXMNYRHUPLEDGTPZZWLUKANPOMSKPJUVIPKTPJUJGWGJBDSTYVPSKEXUARKNVNQAFQ
FDEAHQGPEKIRRTNQKUUZMGTDCCFPUVXTTPOMEBPQMMMLEEASSSWIFFPPBEVHAKHIHWRXHAEUJXXALVGWROPOWUNFLOFKGZZXMNYRHUPLEDGTPZZWLUKANPOMSKPJUVIPKTPJUJGWGJBDSTYVPSKEXUARKNVNQAFQ
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
sigaba
sigaba
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
160
160
cipher_museum
2.0
public
null
null
one-time-pad-v2-0094
TIGFMUNLZMSDWJOHYENXHOAAZXLFQQFFZAQBDLMYPTHKATLZJXGRSBPFIFXJPRDPOGOCTXJXUODRKZNJUW
TIGFMUNLZMSDWJOHYENXHOAAZXLFQQFFZAQBDLMYPTHKATLZJXGRSBPFIFXJPRDPOGOCTXJXUODRKZNJUW
THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "ABCDEFGH (repeating)" }
expert
en
82
82
cipher_museum
2.0
public
null
null
vernam-v2-0113
JWVXXRUKEJIJHI
JWVXXRUKEJIJHI
TARGET ACQUIRED
vernam
vernam
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
14
14
cipher_museum
2.0
public
null
null
vigenere-v3-1413
CHNYEHEVHFVOLQKRQRYGQGFCTATHKJYSOSFGFMUEYXTCSVDLSWFDRPGRGGYTAXVKSLJITQKBOKEY
CHNYEHEVHFVOLQKRQRYGQGFCTATHKJYSOSFGFMUEYXTCSVDLSWFDRPGRGGYTAXVKSLJITQKBOKEY
AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "COURAGE" }
intermediate
en
76
76
cipher_museum
2.0
public
null
null
beaufort-v3-0146
QDHCATZXDA
QDHCATZXDA
DOT DASH DOT
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "TRAFALGAR" }
intermediate
en
10
10
cipher_museum
2.0
public
null
null
porta-v3-0311
FRYQURVSMUVZZSBFQBTFKTRBTVSNKZJNFWDDICQQTRCZQAVNUTZERTQWFEWHYNFWOKEQECAUQEZAWYACTFVIQUKUWHVIZUFHGGSBRULAUBWAVGLNABTZJPSFVNESHCQRAUXENQGZEGWXPRTWBTNFWFERPWNDRYVUJPNRQARPSBTFQWNANNPUJP
FRYQURVSMUVZZSBFQBTFKTRBTVSNKZJNFWDDICQQTRCZQAVNUTZERTQWFEWHYNFWOKEQECAUQEZAWYACTFVIQUKUWHVIZUFHGGSBRULAUBWAVGLNABTZJPSFVNESHCQRAUXENQGZEGWXPRTWBTNFWFERPWNDRYVUJPNRQARPSBTFQWNANNPUJP
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
porta
porta
polyalphabetic
{ "type": "keyword", "value": "ITALY" }
intermediate
en
182
182
cipher_museum
2.0
public
null
null
babington-v2-0037
⟨w23⟩ ⟨w21⟩ ⟨w13⟩ ⟨w10⟩ ⟨w01⟩ ⟨w32⟩ ⟨w16⟩ ⟨n01⟩ ⟨w07⟩ ⟨w23⟩ ⟨w02⟩
⟨w23⟩ ⟨w21⟩ ⟨w13⟩ ⟨w10⟩ ⟨w01⟩ ⟨w32⟩ ⟨w16⟩ ⟨n01⟩ ⟨w07⟩ ⟨w23⟩ ⟨w02⟩
STAY THE COURSE
babington
babington
nomenclator
{ "type": "seed", "value": "WALSINGHAM" }
expert
en
55
65
cipher_museum
2.0
public
null
null
joseon-yeokhak-v3-0031
AWVAWNTQJMZBGIAAMUJTM
AWVAWNTQJMZBGIAAMUJTM
SONS OF LIBERTY ASSEMBLE
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "SEOUL" }
beginner
en
21
21
cipher_museum
2.0
public
null
null
fialka-072
MRVFVUAXIMLOJLLT
MRVFVUAXIMLOJLLT
CIPHER KEY CHANGED
fialka
fialka
machine
{ "type": "seed", "value": "CIPHER" }
expert
en
16
16
cipher_museum
0.2
public
null
null
diana-v2-0290
ADNYLSNWNQDHBWRJXSONDL
ADNYLSNWNQDHBWRJXSONDL
FLEET ASSEMBLES AT HARBOR
diana
diana
polyalphabetic
{ "type": "keyword", "value": "FORCES" }
intermediate
en
22
22
cipher_museum
2.0
public
null
null
rail-fence-211
WESFTEALEHSHTLETHMNETAHTETOEVNALAREUODTUBSIETLRCDQLREDAEE
WESFTEALEHSHTLETHMNETAHTETOEVNALAREUODTUBSIETLRCDQLREDAEE
WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 5 }
intermediate
en
57
57
cipher_museum
0.2
public
null
null
diana-v2-0563
JNMXDDBAJYXKAZMKADZOKYNMEQLQBZXESDHXLXLPBTYNTEQLESLYNPUZCZERAGZMKAZVKBCZ
JNMXDDBAJYXKAZMKADZOKYNMEQLQBZXESDHXLXLPBTYNTEQLESLYNPUZCZERAGZMKAZVKBCZ
WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS
diana
diana
polyalphabetic
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
72
72
cipher_museum
2.0
public
null
null
red-type-a-v2-0111
DRIOLQINHULYBAXJAWOKENBAFTODMURELNUZCOQIYPEMOROLFAKATKYLUOQMSUOHNUKAIZIIDRALQATOTUCUYKFIKYYCQUVJIIBEQUJEGFUDDEBIFXUEFUHDEFJZOCYBVIUJPAOXHGITUNFALCIJ
DRIOLQINHULYBAXJAWOKENBAFTODMURELNUZCOQIYPEMOROLFAKATKYLUOQMSUOHNUKAIZIIDRALQATOTUCUYKFIKYYCQUVJIIBEQUJEGFUDDEBIFXUEFUHDEFJZOCYBVIUJPAOXHGITUNFALCIJ
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
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "SAKURA" }
advanced
en
148
148
cipher_museum
2.0
public
null
null
adfgvx-155
DADFFADDDFAAAFFAAADFAVAADAAFXXVXFVVVXFVDAXVGDGXXDAFXVDVVVVGXAVAAXAGXXDGAFAAAGAAAADFA
DADFFADDDFAAAFFAAADFAVAADAAFXXVXFVVVXFVDAXVGDGXXDAFXVDVVVVGXAVAAXAGXXDGAFAAAGAAAADFA
IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE
adfgvx
adfgvx
fractionation
{ "polybius": "SECRET", "columnar": "AGENTS" }
advanced
en
84
84
cipher_museum
0.2
public
null
null
fractionated-morse-v2-0169
DAHAOPXGLARLFUFWLSTBKOAKRLMBRLVABKOPBAPARLFUJPMQLLHDPHTBKOQAARFAPC
DAHAOPXGLARLFUFWLSTBKOAKRLMBRLVABKOPBAPARLFUJPMQLLHDPHTBKOQAARFAPC
BREVITY IS THE SOUL OF WIT AND TEDIOUSNESS THE OUTWARD FLOURISHES
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "FORTRESS" }
advanced
en
66
66
cipher_museum
2.0
public
null
null
four-square-v3-0260
ODTMDYUMHGFLUZAQODRRGLQLPIDGTZPLMOQDQDQPCSGGZIDDBHGTODUNGHZIQPCSYHLHIY
ODTMDYUMHGFLUZAQODRRGLQLPIDGTZPLMOQDQDQPCSGGZIDDBHGTODUNGHZIQPCSYHLHIY
THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD
four_square
four_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
70
70
cipher_museum
2.0
public
null
null
columnar-transposition-v2-0672
EOORSHGCFVDMREHELENTATSEVUHHOTEIOOSURNDOURUERTG
EOORSHGCFVDMREHELENTATSEVUHHOTEIOOSURNDOURUERTG
THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
47
47
cipher_museum
2.0
public
null
null
kama-sutra-v2-0206
WIL ILXZLQU MLOEXYL WIL JECYR CK JCM XQM WIL KHYDXDLQW UICTLWI KCYWI IHU IXQMHTCYF LXOI QHJIW
WIL ILXZLQU MLOEXYL WIL JECYR CK JCM XQM WIL KHYDXDLQW UICTLWI KCYWI IHU IXQMHTCYF LXOI QHJIW
THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "VATSYANA" }
intermediate
en
78
93
cipher_museum
2.0
public
null
null
m209-v2-0160
QPJLKOLBPIZASNOHQ
QPJLKOLBPIZASNOHQ
NOVUS ORDO SECLORUM
m209
m209
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
17
17
cipher_museum
2.0
public
null
null
sigaba-v2-0333
YPTHLTDZSDVJXILELHYADGHREXJEFUDUAJSLGTSYBZNACSCIBVRLESVRPJZDSUGMAJWBJJTPMBSOKLXSK
YPTHLTDZSDVJXILELHYADGHREXJEFUDUAJSLGTSYBZNACSCIBVRLESVRPJZDSUGMAJWBJJTPMBSOKLXSK
OBSERVATION EXPERIMENT AND REASON ARE THE THREE PILLARS OF ALL SCIENTIFIC INQUIRY AND PROGRESS
sigaba
sigaba
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
81
81
cipher_museum
2.0
public
null
null
confederate-vigenere-v3-0364
VHBBXCORPFMZRMJTZEZTHTSKDYTYAHBPZARPKACHPZBFCFTBQVWVPLLVZBWAOQOSRFNKARLRW
VHBBXCORPFMZRMJTZEZTHTSKDYTYAHBPZARPKACHPZBFCFTBQVWVPLLVZBWAOQOSRFNKARLRW
DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "STONEWALL" }
intermediate
en
73
73
cipher_museum
2.0
public
null
null
diana-203
TNOUMZGMABQMJ
TNOUMZGMABQMJ
THE KING IS DEAD
diana
diana
polyalphabetic
{ "type": "keyword", "value": "MUSEUM" }
intermediate
en
13
13
cipher_museum
0.2
public
null
null
purple-v3-0276
NQEMEPYZMOAISHBVPWWWZLNLZTJYUFYSQYKYLUHUQNPDFSUAILEYWWCNWGUVVEAUPWACVJDXEZU
NQEMEPYZMOAISHBVPWWWZLNLZTJYUFYSQYKYLUHUQNPDFSUAILEYWWCNWGUVVEAUPWACVJDXEZU
THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS
purple
purple
machine
{ "type": "seed", "value": "SAKURA" }
expert
en
75
75
cipher_museum
2.0
public
null
null
diana-v2-0725
QNORANXFDPLQSIJCKGNYRQQPSKRAVHRTPJWRBSTXBASBKTRYRJMABIPCFUBRBULFSZTVZYSQSABISJHKBP
QNORANXFDPLQSIJCKGNYRQQPSKRAVHRTPJWRBSTXBASBKTRYRJMABIPCFUBRBULFSZTVZYSQSABISJHKBP
THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST
diana
diana
polyalphabetic
{ "type": "keyword", "value": "JUSTICE" }
intermediate
en
82
82
cipher_museum
2.0
public
null
null
solitaire-v2-0177
VNLHOUVQYPSSBIXOGMCKWDNBIHCSIMNDCNKXPVXVMFFVDRZKLTLUUUJZZGMGPSXDPXQJWZTHHOUMKZD
VNLHOUVQYPSSBIXOGMCKWDNBIHCSIMNDCNKXPVXVMFFVDRZKLTLUUUJZZGMGPSXDPXQJWZTHHOUMKZD
RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT
solitaire
solitaire
stream
{ "type": "passphrase", "value": "SCHNEIER" }
expert
en
79
79
cipher_museum
2.0
public
null
null
kama-sutra-v2-0018
YKYUQ DA ZUHXYE
YKYUQ DA ZUHXYE
AWAIT MY SIGNAL
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "SANSKRIT" }
intermediate
en
13
15
cipher_museum
2.0
public
null
null
double-transposition-052
NHIGNOGDELNADCTEHEWBAESGWIIWAWLOORFDGEANSDTFHUARIWNOTRHDNT
NHIGNOGDELNADCTEHEWBAESGWIIWAWLOORFDGEANSDTFHUARIWNOTRHDNT
IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE
double_transposition
double_transposition
transposition
{ "key1": "FIRST", "key2": "SECOND" }
advanced
en
58
58
cipher_museum
0.2
public
null
null
cda-0002119
EPPRY DPPIZ TFQEK VTEDY JPPZN UIGQH SZRWN PO
EPPRY DPPIZ TFQEK VTEDY JPPZN UIGQH SZRWN PO
DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION
gronsfeld
gronsfeld
null
{ "key": "11235" }
medium
en
37
37
synthetic_educational
null
null
[ "kasiski_examination", "digit_key_brute_force" ]
Gronsfeld: Vigenère variant with a digit-only key (0–9 per position).
red-type-a-v2-0223
COGYDEGUFAILOHNREWPYSUDUOHJULOUXIBAZFRTIHJOKUNSENUPWDAHAMCOJMGUGUSLEDMGAOWQUTUSHHUMJ
COGYDEGUFAILOHNREWPYSUDUOHJULOUXIBAZFRTIHJOKUNSENUPWDAHAMCOJMGUGUSLEDMGAOWQUTUSHHUMJ
VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "YAMATO" }
advanced
en
84
84
cipher_museum
2.0
public
null
null
bazeries-026
JWUMMFHTMFBRJIU
JWUMMFHTMFBRJIU
FORWARD MARCH NOW
bazeries
bazeries
transposition
{ "type": "integer", "value": 42 }
advanced
en
15
15
cipher_museum
0.2
public
null
null
trithemius-v2-0034
NPXXW TXKW BONXBFJC
NPXXW TXKW BONXBFJC
NOVUS ORDO SECLORUM
trithemius
trithemius
polyalphabetic
{ "type": "none", "value": null }
beginner
en
17
19
cipher_museum
2.0
public
null
null
cda-0021033
⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a13⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a13⟩ ⟨w...
⟨a13⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w34⟩ ⟨w10⟩ ⟨a19⟩ ⟨a17⟩ ⟨w22⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨a13⟩ ⟨a11⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨w38⟩ ⟨w04⟩ ⟨w10⟩ ⟨a07⟩ ⟨w10⟩ ⟨w08⟩ ⟨a01⟩ ⟨a13⟩ ⟨a29⟩ ⟨w08⟩ ⟨a11⟩ ⟨w20⟩ ⟨a25⟩ ⟨w32⟩ ⟨w14⟩ ⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a19⟩ ⟨w10⟩ ⟨a13⟩ ⟨w...
PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION
babington
babington
null
{}
hard
en
88
88
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
vernam-v2-0012
MJUVMTTHKLYXBYWHXVV
MJUVMTTHKLYXBYWHXVV
MISSION ACCOMPLISHED
vernam
vernam
stream
{ "type": "pad", "value": "ABCDEFGH (repeating)" }
expert
en
19
19
cipher_museum
2.0
public
null
null
nomenclator-106
06 15 21 18 19 03 15 18 05 61 19 05 22 05 14 25 05 01 18 19 01 07 15 15 21 18 06 01 20 08 05 18 19 02 18 15 21 07 08 20 06 15 18 20 08 20 08 09 19 14 01 20 09 15 14
06 15 21 18 19 03 15 18 05 61 19 05 22 05 14 25 05 01 18 19 01 07 15 15 21 18 06 01 20 08 05 18 19 02 18 15 21 07 08 20 06 15 18 20 08 20 08 09 19 14 01 20 09 15 14
FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "CIPHER" }
expert
en
110
164
cipher_museum
0.2
public
null
null
lorenz-v2-0161
THECOURSEOFTRUELOVENEVETDIDRUNSMOOTHTHROUGHAGES
THECOURSEOFTRUELOVENEVETDIDRUNSMOOTHTHROUGHAGES
THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES
lorenz
lorenz
machine
{ "type": "seed", "value": "FISH" }
expert
en
47
47
cipher_museum
2.0
public
null
null
cda-0020343
AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BAAAB AAAAB BABBA BAAAA AABAA BAABB AABAA BAAAA BAAAB ABAAA ABBAA AABBA BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AABBA ABBAB ABBAB AAABB AABAA AAABB BAABB AAABA AAAAA BAABA ABAAA ABBAB ABBAA AAAAA ABABA BAABA ABBAB ABBAB AB...
AAAAA BAABA AAAAB AAAAA BAAAB AABBB AABAA ABBAA AAABA ABBAB AAABB AABAA BAAAB AAAAB BABBA BAAAA AABAA BAABB AABAA BAAAA BAAAB ABAAA ABBAA AABBA BAABA AABBB AABAA AAAAA ABABA ABBBA AABBB AAAAA AAAAB AABAA BAABA AABBA ABBAB ABBAB AAABB AABAA AAABB BAABB AAABA AAAAA BAABA ABAAA ABBAB ABBAA AAAAA ABABA BAABA ABBAB ABBAB AB...
ATBASH ENCODES BY REVERSING THE ALPHABET GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS
bacon_cipher
bacon_cipher
null
{}
hard
en
835
835
synthetic_educational
null
null
[ "five_bit_decode", "ab_frequency_analysis" ]
Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.
adfgx-v2-0482
DXGGGFDXAFGGXFXFDAXDGGDDGFDD
DXGGGFDXAFGGXFXFDAXDGGDDGFDD
PRESS THE ATTACK
adfgx
adfgx
fractionation
{ "polybius": "WISDOM", "columnar": "COURAGE" }
advanced
en
28
28
cipher_museum
2.0
public
null
null
playfair-v3-0880
PLBGRKIYGXGABQYNXA
PLBGRKIYGXGABQYNXA
THE RAILWAY ARRIVES
playfair
playfair
polygraphic
{ "type": "keyword", "value": "DRAGON" }
intermediate
en
18
18
cipher_museum
2.0
public
null
null
trithemius-v3-0052
DP PRX LU NMWDWQ VBIE KZTN BKLB MIHJW SQJ HON CSAHZS RLJG UIZ OYUE BV FPTYL WO NLK EOVU ISZY
DP PRX LU NMWDWQ VBIE KZTN BKLB MIHJW SQJ HON CSAHZS RLJG UIZ OYUE BV FPTYL WO NLK EOVU ISZY
DO NOT GO GENTLE INTO THAT GOOD NIGHT OLD AGE SHOULD BURN AND RAVE AT CLOSE OF DAY RAGE RAGE
trithemius
trithemius
polyalphabetic
{ "type": "none", "value": null }
beginner
en
73
92
cipher_museum
2.0
public
null
null
rail-fence-v3-0484
TUTEHELNHDMEHTIENOSTITUINPSMINESEIAMITTETTIVSRSDHELENAIOGSDRITHFIPESEETLEED
TUTEHELNHDMEHTIENOSTITUINPSMINESEIAMITTETTIVSRSDHELENAIOGSDRITHFIPESEETLEED
THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 11 }
intermediate
en
75
75
cipher_museum
2.0
public
null
null
slidex-041
BNWERRHXMEQURJRXVERFTNQPYJHQGHZOFDTTDRXKZOQWTBGV
BNWERRHXMEQURJRXVERFTNQPYJHQGHZOFDTTDRXKZOQWTBGV
ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO
slidex
slidex
transposition
{ "type": "keyword", "value": "SECRET" }
advanced
en
48
48
cipher_museum
0.2
public
null
null
four-square-v3-0234
ODRRUEEVUVRNQAZIOX
ODRRUEEVUVRNQAZIOX
THE RAILWAY ARRIVES
four_square
four_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
18
18
cipher_museum
2.0
public
null
null
cda-0020084
HWIYAPLRTCIFSDWRGPGGVBZPTHTHJBKOLVKTUOUGQHLWVRZBDFNWSHVSTJLNGSDVCJHMWNISQIRWXKCZNLHBXDHYGPEPIKJMCCCOLVIXZOXSUDTDIINGJFHPN
HWIYAPLRTCIFSDWRGPGGVBZPTHTHJBKOLVKTUOUGQHLWVRZBDFNWSHVSTJLNGSDVCJHMWNISQIRWXKCZNLHBXDHYGPEPIKJMCCCOLVIXZOXSUDTDIINGJFHPN
OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL
running_key
running_key
null
{}
hard
en
121
121
synthetic_educational
null
null
[ "index_of_coincidence", "probable_plaintext" ]
Running-key cipher: Vigenère with a very long key (e.g. a book passage).
nihilist-056
57 36 108 77 70 69 55 40 89 88 38 68 47 39 67 79 58 79 49 36 99 76 56 76 45 50 69 68 39 75 66 48 96 58 50 67 86 39 99 67 67 66 79 70 87 59 59 79 88 40 75 58 39 99 67 40 67 56 50 79 55 68 65 49 48 99 48 48 79 58 56 96 45 40 67 69 67 75 66 40 67 79 58 79 45 50 87 49 76 79 56 50 79 55 48 96 58 50 67 79 67 76 45 50 69 68 7...
57 36 108 77 70 69 55 40 89 88 38 68 47 39 67 79 58 79 49 36 99 76 56 76 45 50 69 68 39 75 66 48 96 58 50 67 86 39 99 67 67 66 79 70 87 59 59 79 88 40 75 58 39 99 67 40 67 56 50 79 55 68 65 49 48 99 48 48 79 58 56 96 45 40 67 69 67 75 66 40 67 79 58 79 45 50 87 49 76 79 56 50 79 55 48 96 58 50 67 79 67 76 45 50 69 68 7...
CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS
nihilist
nihilist
fractionation
{ "polybius": "RUSSIAN", "keyword": "KEY" }
advanced
en
287
429
cipher_museum
0.2
public
null
null
kryha-v2-0208
CNCIUAQVYIXUQNVPNFREZFVFOUDYSRWKFRGLWYDYFURJXKUCRMILOKYOABYPQJBLCFUQVMCEJWOIUVXYF
CNCIUAQVYIXUQNVPNFREZFVFOUDYSRWKFRGLWYDYFURJXKUCRMILOKYOABYPQJBLCFUQVMCEJWOIUVXYF
THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED
kryha
kryha
machine
{ "type": "keyword", "value": "VIENNA" }
expert
en
81
81
cipher_museum
2.0
public
null
null
cda-0005542
DFSIPTUATBPEEOSNPACRMSEAEHLATORRAOEHDSRTTCUONSAHIICVETSCBCNHCLISKHAEHTTEELERHIBAAITOETEOTOINNHPNLYTLUWYKIHEOMRDIUCESEWOTEIOPCHETCOBCOFNRHMEEHNOTERHYSATLSERUDURMSEKFTNEASRIEYWUN
DFSIPTUATBPEEOSNPACRMSEAEHLATORRAOEHDSRTTCUONSAHIICVETSCBCNHCLISKHAEHTTEELERHIBAAITOETEOTOINNHPNLYTLUWYKIHEOMRDIUCESEWOTEIOPCHETCOBCOFNRHMEEHNOTERHYSATLSERUDURMSEKFTNEASRIEYWUN
DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE ARCHITECTURE SHOULD MAKE MISUSE HARDER
stager_route
stager_route
null
{ "cols": 8 }
hard
en
176
176
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
double-transposition-v2-0423
BOSNNYTOATTSEAWFEIUHDFSHLWTOELTDOHUESORLHEILLAGIIAMTETNBATVN
BOSNNYTOATTSEAWFEIUHDFSHLWTOELTDOHUESORLHEILLAGIIAMTETNBATVN
THIS ABOVE ALL TO THINE OWN SELF BE TRUE AND IT MUST FOLLOW AS NIGHT THE DAY
double_transposition
double_transposition
transposition
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
60
60
cipher_museum
2.0
public
null
null
nihilist-v3-0088
73 27 69 79 26 37 65 37 59 87 28 59 63 57 88 69 56 59 56 33 59 87 28 28 44 27 95 75 35 30 55 56 88 69 25 59 33 25 57 77 28 49 33 54 59 58 55 30 33 56 59 66 28 56 66 24 57 88 38 27 65 56 69 59 67 27 63 27 59 78 35 50 73 27 66 65 67 59 46 27 75 86 27 57 36 24 88 79 55 67 52 56 69 58 28 57 65 24 75 78 58 49 33 25 75 59 47...
73 27 69 79 26 37 65 37 59 87 28 59 63 57 88 69 56 59 56 33 59 87 28 28 44 27 95 75 35 30 55 56 88 69 25 59 33 25 57 77 28 49 33 54 59 58 55 30 33 56 59 66 28 56 66 24 57 88 38 27 65 56 69 59 67 27 63 27 59 78 35 50 73 27 66 65 67 59 46 27 75 86 27 57 36 24 88 79 55 67 52 56 69 58 28 57 65 24 75 78 58 49 33 25 75 59 47...
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
nihilist
nihilist
fractionation
{ "polybius": "PALACE", "keyword": "BATTLE" }
advanced
en
338
506
cipher_museum
2.0
public
null
null
venona-pad-reuse-v3-0124
NGKHUCWHDFES
NGKHUCWHDFES
GOLD FROM LEAD
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "LIBERTY" }
expert
en
12
12
cipher_museum
2.0
public
null
null
wheatstone-v2-0093
QHRKTLCTPRLJIQTYIOEDSRKNYIQOAJNQHRIRVQJNKRGJPSYGTILROXOQRFGRDYURNQJTGFYNTDOFYQHIJV
QHRKTLCTPRLJIQTYIOEDSRKNYIQOAJNQHRIRVQJNKRGJPSYGTILROXOQRFGRDYURNQJTGFYNTDOFYQHIJV
THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "TELEGRAPHY" }
advanced
en
82
82
cipher_museum
2.0
public
null
null
nomenclator-v2-0020
05 24 20 18 01 03 20 09 15 14 16 15 09 14 20 03 08 01 14 07 05 04
05 24 20 18 01 03 20 09 15 14 16 15 09 14 20 03 08 01 14 07 05 04
EXTRACTION POINT CHANGED
nomenclator
nomenclator
nomenclator
{ "type": "none", "value": null }
expert
en
44
65
cipher_museum
2.0
public
null
null
diana-v2-0285
FBEIWZDANNLKN
FBEIWZDANNLKN
ANNUIT COEPTIS
diana
diana
polyalphabetic
{ "type": "keyword", "value": "FORCES" }
intermediate
en
13
13
cipher_museum
2.0
public
null
null
kryha-150
ALERPEMZHVQ
ALERPEMZHVQ
RALLY AT DAWN
kryha
kryha
machine
{ "type": "keyword", "value": "SECRET" }
expert
en
11
11
cipher_museum
0.2
public
null
null
joseon-yeokhak-v3-0208
HVSJSBCBODFCXSQHKVWQVFOBTFCABWBSHSSBTCFHMHVFSSHCBWBSHSSBSWUVHMRSQFMDHSRHVCIGOBRGCTGCJWSHWBHSZZWUSBQSASGGOUSGFSJSOZWBUHVSWRSBHWHWSGCTBIASFCIGOUSBHGKVCVORDSBSHFOHSRHVSIGUCJSFBASBH
HVSJSBCBODFCXSQHKVWQVFOBTFCABWBSHSSBTCFHMHVFSSHCBWBSHSSBSWUVHMRSQFMDHSRHVCIGOBRGCTGCJWSHWBHSZZWUSBQSASGGOUSGFSJSOZWBUHVSWRSBHWHWSGCTBIASFCIGOUSBHGKVCVORDSBSHFOHSRHVSIGUCJSFBASBH
THE VENONA PROJECT WHICH RAN FROM NINETEEN FORTY THREE TO NINETEEN EIGHTY DECRYPTED THOUSANDS OF SOVIET INTELLIGENCE MESSAGES REVEALING THE IDENTITIES OF NUMEROUS AGENTS WHO HAD PENETRATED THE US GOVERNMENT
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "JOSEON" }
beginner
en
177
177
cipher_museum
2.0
public
null
null
cda-0021916
GSV ERTVMVIV XRKSVI FHVH Z IVKVZGRMT PVBDLIW
GSV ERTVMVIV XRKSVI FHVH Z IVKVZGRMT PVBDLIW
THE VIGENERE CIPHER USES A REPEATING KEYWORD
atbash
atbash
null
{}
medium
en
38
38
synthetic_educational
null
null
[ "self_inverse_check", "frequency_analysis" ]
Atbash maps A↔Z, B↔Y, … and is its own inverse.
cda-0004537
NFGE BATP YNVZ ARRQ FFGE BATR IVQR APRN YNAG HEVA TOEB XRRA VTZN JVGU PEVO FNAQ GURO BZOR ZNPU VAR
NFGE BATP YNVZ ARRQ FFGE BATR IVQR APRN YNAG HEVA TOEB XRRA VTZN JVGU PEVO FNAQ GURO BZOR ZNPU VAR
A STRONG CLAIM NEEDS STRONG EVIDENCE ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE
rot13
rot13
null
{ "shift": 13 }
medium
en
79
79
synthetic_educational
null
null
[ "brute_force_26", "self_inverse_check" ]
ROT-13 is Caesar with shift 13 — it is its own inverse.
lorenz-v3-0245
STEAMPOWERTRANSFORMS
STEAMPOWERTRANSFORMS
STEAM POWER TRANSFORMS
lorenz
lorenz
machine
{ "type": "seed", "value": "COLOSSUS" }
expert
en
20
20
cipher_museum
2.0
public
null
null
cda-0007313
RBCTK KKUGZ CAVYV KVCTL EMUMT CFAEI TLGCN LGZJO PBJLJ VFMZV GKQQP JJLGV ELJAC CULGC NKNBF BJMTH JTHMP JFKKX JLSET QVLTB GFVPO IBQIG BORIV AFZPB JLWQI MPLSM EQROF ZWAGZ BZGXG HUQPO MLZEQ ZF
RBCTK KKUGZ CAVYV KVCTL EMUMT CFAEI TLGCN LGZJO PBJLJ VFMZV GKQQP JJLGV ELJAC CULGC NKNBF BJMTH JTHMP JFKKX JLSET QVLTB GFVPO IBQIG BORIV AFZPB JLWQI MPLSM EQROF ZWAGZ BZGXG HUQPO MLZEQ ZF
PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN THE INDEX OF COINCIDENCE IS A USEFUL CLUE THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE VIGENERE CIPHER USES A REPEATING KEYWORD
gronsfeld
gronsfeld
null
{ "key": "271828" }
hard
en
157
157
synthetic_educational
null
null
[]
kryptos-146
NGASVAJZHCIWBEP
NGASVAJZHCIWBEP
FORWARD MARCH NOW
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "ABSCISSA" }
advanced
en
15
15
cipher_museum
0.2
public
null
null
purple-v2-0266
AHEMUKNSIULNGZ
AHEMUKNSIULNGZ
PRESS THE ATTACK
purple
purple
machine
{ "type": "seed", "value": "SAKURA" }
expert
en
14
14
cipher_museum
2.0
public
null
null
typex-v3-0218
OJGOHTWFUEXVAUOM
OJGOHTWFUEXVAUOM
PER ASPERA AD ASTRA
typex
typex
machine
{ "type": "keyword", "value": "EMPIRE" }
expert
en
16
16
cipher_museum
2.0
public
null
null
rot13-v2-0052
TRARENY TENAG UNF GNXRA IVPXFOHET GUR TERNG EVIRE VF ABJ BCRA SEBZ VGF FBHEPR GB GUR FRN
TRARENY TENAG UNF GNXRA IVPXFOHET GUR TERNG EVIRE VF ABJ BCRA SEBZ VGF FBHEPR GB GUR FRN
GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA
rot13
rot13
substitution
{ "type": "none", "value": null }
beginner
en
72
88
cipher_museum
2.0
public
null
null
cda-0021469
63 76 96 92 67 93 32 43 33 70 21 26 52 48 64 39 23 60 25 23 3 43 2 43 63 27 93 34 50 45 61 15 14 40 67 22 3 50 61 3 72 40 45 81 22 25 26 61 93 79 23 25 88 23 46 58 59 48 52 40 82 15 60 48 11 91 14 43 22 11 60 88 48 66 70 62 23 53 72 61 35 72 93 70 87 93 64 22 15 87 22 91 72 23 11 68 59 4 2 60 22 80 48 92 39 22 99 57 60...
63 76 96 92 67 93 32 43 33 70 21 26 52 48 64 39 23 60 25 23 3 43 2 43 63 27 93 34 50 45 61 15 14 40 67 22 3 50 61 3 72 40 45 81 22 25 26 61 93 79 23 25 88 23 46 58 59 48 52 40 82 15 60 48 11 91 14 43 22 11 60 88 48 66 70 62 23 53 72 61 35 72 93 70 87 93 64 22 15 87 22 91 72 23 11 68 59 4 2 60 22 80 48 92 39 22 99 57 60...
POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH
homophonic
homophonic
null
{}
hard
en
110
110
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
affine-vf-0078
NQ WRWJK NPEBA NPWJW EY O YWOYQB OBH O NEMW NQ WRWJK FCJFQYW CBHWJ NPW PWORWB ODQRW
NQ WRWJK NPEBA NPWJW EY O YWOYQB OBH O NEMW NQ WRWJK FCJFQYW CBHWJ NPW PWORWB ODQRW
TO EVERY THING THERE IS A SEASON AND A TIME TO EVERY PURPOSE UNDER THE HEAVEN ABOVE
affine
affine
substitution
{ "a": 15, "b": 14 }
beginner
en
67
83
cipher_museum
2.0
public
null
null
purple-057
FKOAAQCDENAKDJLYVRDDFYGEQXOGISXKWPQHTKBVISZFCFFLGKONZMESEJSQTJLYEYZEEIVCSQBWCKFBDSMUTISORSOBFHTGVQJKQBVOVPQEBBVXOUOWNXKUQUNBLVJUMFBPOKUSRSFMUXUCRJAJDQAPANZ
FKOAAQCDENAKDJLYVRDDFYGEQXOGISXKWPQHTKBVISZFCFFLGKONZMESEJSQTJLYEYZEEIVCSQBWCKFBDSMUTISORSOBFHTGVQJKQBVOVPQEBBVXOUOWNXKUQUNBLVJUMFBPOKUSRSFMUXUCRJAJDQAPANZ
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
purple
purple
machine
{ "type": "seed", "value": "PURPLE" }
expert
en
155
155
cipher_museum
0.2
public
null
null
columnar-transposition-v2-0553
ETROIDTEERVVTLMSRIPTTNEBQYCTNRHGROEEAFITDPSNIHAUOYSEOAEAMNHIENATEHLFAO
ETROIDTEERVVTLMSRIPTTNEBQYCTNRHGROEEAFITDPSNIHAUOYSEOAEAMNHIENATEHLFAO
THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "DRAGON" }
intermediate
en
70
70
cipher_museum
2.0
public
null
null
adfgvx-048
DFGGGGDDGFDGDGDGAGFAXDAVGVADGAXFGVAGGAGFDFGDADADDFDGAFDFVVAAADGXAGVAGXVDGFGAFXGAFVFVXAVGAGGDVDGGGDAFFGDFGDFDADGG
DFGGGGDDGFDGDGDGAGFAXDAVGVADGAXFGVAGGAGFDFGDADADDFDGAFDFVVAAADGXAGVAGXVDGFGAFXGAFVFVXAVGAGGDVDGGGDAFFGDFGDFDADGG
IF YOU KNOW BOTH YOURSELF AND YOUR ENEMY YOU NEED NOT FEAR THE RESULT
adfgvx
adfgvx
fractionation
{ "polybius": "PRIVACY", "columnar": "GERMAN" }
advanced
en
112
112
cipher_museum
0.2
public
null
null
confederate-vigenere-v2-0329
VCMXPBTFVIVPXDIEMBVGXBOIXLWKAJRZQPVHMAICVWKTCDEXQXUMPCTSTVWVEZBIOWPOWYJPIQRHA
VCMXPBTFVIVPXDIEMBVGXBOIXLWKAJRZQPVHMAICVWKTCDEXQXUMPCTSTVWVEZBIOWPOWYJPIQRHA
SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "DIXIE" }
intermediate
en
77
77
cipher_museum
2.0
public
null
null
running-key-v2-0044
OBHYYTSMDVXOYH
OBHYYTSMDVXOYH
STORM THE BREACH
running_key
running_key
polyalphabetic
{ "type": "text", "value": "Lincoln Second Inaugural" }
intermediate
en
14
14
cipher_museum
2.0
public
null
null
cda-0018027
⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨w...
⟨a17⟩ ⟨w10⟩ ⟨w28⟩ ⟨a11⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w10⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w08⟩ ⟨a13⟩ ⟨a13⟩ ⟨a01⟩ ⟨w32⟩ ⟨w20⟩ ⟨w22⟩ ⟨w14⟩ ⟨w10⟩ ⟨a01⟩ ⟨w28⟩ ⟨w04⟩ ⟨a07⟩ ⟨w08⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨a25⟩ ⟨w34⟩ ⟨w32⟩ ⟨w14⟩ ⟨w20⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a01⟩ ⟨w...
DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS
babington
babington
null
{}
hard
en
129
129
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
lorenz-v3-0336
ODDIRONSIDESHOLDS
ODDIRONSIDESHOLDS
OLD IRONSIDES HOLDS
lorenz
lorenz
machine
{ "type": "seed", "value": "BLETCHLEY" }
expert
en
17
17
cipher_museum
2.0
public
null
null
fractionated-morse-v3-0029
OPUCUHVJMTXPTTDVJMWSVWG
OPUCUHVJMTXPTTDVJMWSVWG
THE REDCOATS ARE COMING
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "PALACE" }
advanced
en
23
23
cipher_museum
2.0
public
null
null
columnar-transposition-158
RSEVGYETOMHEAATPFTBEXAETDANLGDHRYHETGEEOAERER
RSEVGYETOMHEAATPFTBEXAETDANLGDHRYHETGEEOAERER
THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "MUSEUM" }
intermediate
en
45
45
cipher_museum
0.2
public
null
null
confederate-vigenere-v2-0029
BAGKLRUXFIUNTUCMUMSIK
BAGKLRUXFIUNTUCMUMSIK
PATIENCE BRINGS VICTORY
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "MANCHESTER" }
intermediate
en
21
21
cipher_museum
2.0
public
null
null
cda-0015630
12.24.4 19.34.9 15.35.13 11.45.13 1.47.13 14.2.3 18.28.1 17.26.5 11.11.10 2.3.15 19.15.7 12.46.13 15.47.10 12.6.10 10.1.8 2.40.12 15.29.9 11.27.5 10.6.7 14.40.12 9.7.1 17.9.12 20.26.12 17.25.3 17.34.12 6.2.6 7.38.5 12.14.11 11.28.5 16.40.2 17.27.7 10.19.6 16.36.15 3.46.4 13.32.7 2.13.2 12.35.11 18.7.4 15.11.14 12.12.15...
12.24.4 19.34.9 15.35.13 11.45.13 1.47.13 14.2.3 18.28.1 17.26.5 11.11.10 2.3.15 19.15.7 12.46.13 15.47.10 12.6.10 10.1.8 2.40.12 15.29.9 11.27.5 10.6.7 14.40.12 9.7.1 17.9.12 20.26.12 17.25.3 17.34.12 6.2.6 7.38.5 12.14.11 11.28.5 16.40.2 17.27.7 10.19.6 16.36.15 3.46.4 13.32.7 2.13.2 12.35.11 18.7.4 15.11.14 12.12.15...
THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY
book_cipher
book_cipher
null
{}
hard
en
97
97
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.