id
stringlengths
7
52
text
stringlengths
6
2.11k
ciphertext
stringlengths
6
2.11k
plaintext
stringlengths
6
282
label
stringclasses
81 values
cipher
stringclasses
81 values
cipher_family
stringclasses
13 values
key
unknown
difficulty
stringclasses
7 values
language
stringclasses
8 values
text_length
int64
6
1.09k
length
int64
6
1.28k
source
stringclasses
2 values
dataset_version
stringclasses
2 values
split
stringclasses
1 value
attack_methods
listlengths
0
3
educational_note
stringclasses
32 values
geez-monastic-v2-0190
IFXAIESIJTHOFBMEIJZHHIJESTJTZFIZSBHTZSSOIXSIOIJESTOMSXSBTFAIZSBESVESZHHMZWA
IFXAIESIJTHOFBMEIJZHHIJESTJTZFIZSBHTZSSOIXSIOIJESTOMSXSBTFAIZSBESVESZHHMZWA
TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "AXUM" }
advanced
en
75
75
cipher_museum
2.0
public
null
null
adfgx-v3-0083
DFDXFGAGAFDGAGAAAGGAGAXGGXGGDDADAFXGAAFAADAFFGFXGFDDDAGFFXDFDGGDAGGGXDGGXXXGFGGGAGADADAAFFDDAXXFAXFAAAFGAFFXXFFFFAFFAAGFAGGGDFFAGAXXAFAGDDAAGXFAXXXAXDGDXGGXFXGFDAXDXG
DFDXFGAGAFDGAGAAAGGAGAXGGXGGDDADAFXGAAFAADAFFGFXGFDDDAGFFXDFDGGDAGGGXDGGXXXGFGGGAGADADAAFFDDAXXFAXFAAAFGAFFXXFFFFAFFAAGFAGGGDFFAGAXXAFAGDDAAGXFAXXXAXDGDXGGXFXGFDAXDXG
DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING
adfgx
adfgx
fractionation
{ "polybius": "PALACE", "columnar": "BATTLE" }
advanced
en
166
166
cipher_museum
2.0
public
null
null
morse-code-v3-0006
- .... . / --. .- - . ... / .... --- .-.. -.. / ..-. .. .-. --
- .... . / --. .- - . ... / .... --- .-.. -.. / ..-. .. .-. --
THE GATES HOLD FIRM
morse_code
morse_code
encoding
{ "type": "none", "value": null }
beginner
en
44
62
cipher_museum
2.0
public
null
null
adfgvx-107
VGDAAVAAXXADAVDDGADAAFGAFADFDFAGAGDGDADVVFVDGDDADAGAAAADAFADAGDDGGDFDDFADGVFDAGVDVFAGADAGFGAFFAFDF
VGDAAVAAXXADAVDDGADAAFGAFADFDFAGAGDGDADVVFVDGDDADAGAAAADAFADAGDDGGDFDDFADGVFDAGVDVFAGADAGFGAFFAFDF
VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE
adfgvx
adfgvx
fractionation
{ "polybius": "CIPHER", "columnar": "MUSEUM" }
advanced
en
98
98
cipher_museum
0.2
public
null
null
bazeries-v3-0145
PYAPRYFYAKTMITMPPBGOO
PYAPRYFYAKTMITMPPBGOO
THE TELEGRAPH TRANSMITS
bazeries
bazeries
transposition
{ "type": "integer", "value": 23 }
advanced
en
21
21
cipher_museum
2.0
public
null
null
adfgvx-v2-0055
DAFDXVVDXFXDADGGDFDVVGDVGAVFGFDDAFFFGAAFFGGGGDDADGDDXVGFVFVVDADDGXGVVXDVDGXFDFAGDDGAAAAFGAFFAAFGAGFFFFFDFFFGFDGAFGGGDGDAFAGGAXGGGFXFAXAADGDXFGAGDFVAAV
DAFDXVVDXFXDADGGDFDVVGDVGAVFGFDDAFFFGAAFFGGGGDDADGDDXVGFVFVVDADDGXGVVXDVDGXFDFAGDDGAAAAFGAFFAAFGAGFFFFFDFFFGFDGAFGGGDGDAFAGGAXGGGFXFAXAADGDXFGAGDFVAAV
ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER
adfgvx
adfgvx
fractionation
{ "polybius": "PALACE", "columnar": "BATTLE" }
advanced
en
150
150
cipher_museum
2.0
public
null
null
cda-0007636
ATVUS SMJTJ SXZRS SIJLK IICBT HDFPF IXKJC ASEKP ZPYDK LBJQI BAEUG VXJJB VMOCE PFJJZ FRGJZ BPMEO EUCUZ PWWSD ZBHQH FCXHW UICST FTIVJ WBMWM JFUSQ UJLEY NOLLR SIQZA MKYMC RPYRH WEUXT CGO
ATVUS SMJTJ SXZRS SIJLK IICBT HDFPF IXKJC ASEKP ZPYDK LBJQI BAEUG VXJJB VMOCE PFJJZ FRGJZ BPMEO EUCUZ PWWSD ZBHQH FCXHW UICST FTIVJ WBMWM JFUSQ UJLEY NOLLR SIQZA MKYMC RPYRH WEUXT CGO
A STRONG CLAIM NEEDS STRONG EVIDENCE SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY THE BEST LESSONS SHOW WHERE THE METHOD FAILS
trithemius
trithemius
null
{}
hard
en
153
153
synthetic_educational
null
null
[]
confederate-vigenere-046
HCHWWFSIETRFGRAIQCVAKWCUBTYUJRTAITGOWSXKYTYSTHUYLLWEAMMQB
HCHWWFSIETRFGRAIQCVAKWCUBTYUJRTAITGOWSXKYTYSTHUYLLWEAMMQB
FOUR SCORE AND SEVEN YEARS AGO OUR FATHERS BROUGHT FORTH THIS NATION
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "CONFEDERATE" }
intermediate
en
57
57
cipher_museum
0.2
public
null
null
cda-0007093
CFPHI OWERK OSEEO IHMDE IOTNR PAUIE NAGOR HTAEE AENRR CFNRL EITEU SRXUL CHFNL CGUED ASEBD SATEP CPSAL OEODI ETDSX XEMUA CEWTP TNPHR OTHRS EBSYY ADHEO INARR AHXXA KECTT NONIC TRPIY AHILT TTEIA NSLDV IHSER X
CFPHI OWERK OSEEO IHMDE IOTNR PAUIE NAGOR HTAEE AENRR CFNRL EITEU SRXUL CHFNL CGUED ASEBD SATEP CPSAL OEODI ETDSX XEMUA CEWTP TNPHR OTHRS EBSYY ADHEO INARR AHXXA KECTT NONIC TRPIY AHILT TTEIA NSLDV IHSER X
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER
stager_route
stager_route
null
{ "cols": 9 }
hard
en
171
171
synthetic_educational
null
null
[]
trifid-v2-0341
EIGXAIC+MQVYOBCB+FNYQPUBICAUAQODJGYBLAIZIPJQFXMKIOORHYDILPWVGZIWCBTEWTGDNIUCFFNG
EIGXAIC+MQVYOBCB+FNYQPUBICAUAQODJGYBLAIZIPJQFXMKIOORHYDILPWVGZIWCBTEWTGDNIUCFFNG
THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME
trifid
trifid
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
affine-475
JCJWN RJTWJM UDR D FJJGJW DQO JCJWN TLOJ UDR D YWJDFJW XUL RJJFR MUJ MWHMU
JCJWN RJTWJM UDR D FJJGJW DQO JCJWN TLOJ UDR D YWJDFJW XUL RJJFR MUJ MWHMU
EVERY SECRET HAS A KEEPER AND EVERY CODE HAS A BREAKER WHO SEEKS THE TRUTH
affine
affine
substitution
{ "a": 21, "b": 3 }
beginner
en
60
74
cipher_museum
0.2
public
null
null
purple-v3-0294
PCHDIGCUBTXPTMAYUBHDTXALBAOGCKNSASKCVBXMBWPJHDOGTNWEIWCQAWMEGUBSLMNCPQKDXONLWOR
PCHDIGCUBTXPTMAYUBHDTXALBAOGCKNSASKCVBXMBWPJHDOGTNWEIWCQAWMEGUBSLMNCPQKDXONLWOR
ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION
purple
purple
machine
{ "type": "seed", "value": "SAKURA" }
expert
en
79
79
cipher_museum
2.0
public
null
null
vigenere-v3-0929
YYIPRFPTLVKRRUXFRIOCDIRRHWVAZJLEOHXTMIXKSXTIHXKMSTUAMWVMQCXLLBQMVEVWOZINMXKOXQKLCVCGQRRHZWFMRPPWVKRZKLWOZIKLIVSITIHWZVUHYMGRAYFEHXKSQYYMWGOKXYEPOPQNEXLLBQMVEVW
YYIPRFPTLVKRRUXFRIOCDIRRHWVAZJLEOHXTMIXKSXTIHXKMSTUAMWVMQCXLLBQMVEVWOZINMXKOXQKLCVCGQRRHZWFMRPPWVKRZKLWOZIKLIVSITIHWZVUHYMGRAYFEHXKSQYYMWGOKXYEPOPQNEXLLBQMVEVW
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
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
159
159
cipher_museum
2.0
public
null
null
hill-292
RDMHHLGARDBYRSYSNPRAQIERNNMLRAQIERYSCYVVBGJLNNUVNVRMNCPIIQ
RDMHHLGARDBYRSYSNPRAQIERNNMLRAQIERYSCYVVBGJLNNUVNVRMNCPIIQ
IN THE BEGINNING WAS THE WORD AND THE WORD WAS WITH GOD AND FULL OF GRACE
hill
hill
polygraphic
{ "a": 7, "b": 5, "c": 2, "d": 3 }
advanced
en
58
58
cipher_museum
0.2
public
null
null
great-cipher-v2-0278
157 140 140 149 111 181 152 149 156 170 126 152 121 118 121 152 111
157 140 140 149 111 181 152 149 156 170 126 152 121 118 121 152 111
KEEP YOUR POWDER DRY
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "FRANCE" }
expert
en
51
67
cipher_museum
2.0
public
null
null
great-cipher-022
159 182 159 155 112 168 106 164 129 108 119 173 116
159 182 159 155 112 168 106 164 129 108 119 173 116
AWAIT FURTHER ORDERS
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "LOUIS" }
expert
en
39
51
cipher_museum
0.2
public
null
null
cda-0004357
LPARIK UYGNOWZ XN RXWWAGDVV YTN YATURZNF
LPARIK UYGNOWZ XN RXWWAGDVV YTN YATURZNF
ATBASH ENCODES BY REVERSING THE ALPHABET
beaufort
beaufort
null
{ "key": "LIBRARY" }
medium
en
35
35
synthetic_educational
null
null
[ "kasiski_examination", "friedman_test", "index_of_coincidence" ]
Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).
sigaba-v2-0092
PJHENLENNCOBLOTOCXQHLMLJFOYFJCDJFFQBDPUKRTFLTRIBAEGPWKUNMXLWDIOIFAOQZXQUTXNBMG
PJHENLENNCOBLOTOCXQHLMLJFOYFJCDJFFQBDPUKRTFLTRIBAEGPWKUNMXLWDIOIFAOQZXQUTXNBMG
YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT
sigaba
sigaba
machine
{ "type": "seed", "value": "ECMMARK" }
expert
en
78
78
cipher_museum
2.0
public
null
null
cda-0008862
PYOFFWPOY QVCUNEF GSOQV JUL ZBRREA FNQHEWGL ZOGGREF UHZOA EROROPYR BHGCHG FVBHYN FVBJ OYY EROFBAWAT FGRCF O ZBQSY QOA NYOFFVSL COGGREAF PHG WG QOA OYFB PR JEBAU ZBRREA RAQELCGVBA VF ABG NEBXRA NL YRGGRE TERDHNAQL
PYOFFWPOY QVCUNEF GSOQV JUL ZBRREA FNQHEWGL ZOGGREF UHZOA EROROPYR BHGCHG FVBHYN FVBJ OYY EROFBAWAT FGRCF O ZBQSY QOA NYOFFVSL COGGREAF PHG WG QOA OYFB PR JEBAU ZBRREA RAQELCGVBA VF ABG NEBXRA NL YRGGRE TERDHNAQL
CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY
porta
porta
null
{ "key": "CIPHER" }
hard
en
179
179
synthetic_educational
null
null
[]
lorenz-v2-0549
DEUTTCHLANDUBERALLESINDERWELTWENNESSTETSZUSCHVTZUNDTRUTZEBRDERLICHZUSAMMENHLT
DEUTTCHLANDUBERALLESINDERWELTWENNESSTETSZUSCHVTZUNDTRUTZEBRDERLICHZUSAMMENHLT
DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT
lorenz
lorenz
machine
{ "type": "seed", "value": "STURGEON" }
expert
en
77
77
cipher_museum
2.0
public
null
null
diana-v2-0123
KWNDOXRJUCNZMSWOLRAOPEQACIZPBNAIISNDPHZFAAMMTPLKESACLNNNJYYKYWJTLKNYZPPZVSCVEYYALWEYSWWSXDXJRYLKRPCGJRJPNFTNMMWEAZYTJSDINYUYJNJIUZAAJXHCQWNJCSQHJNHNXNRJHSRENVZPAZY
KWNDOXRJUCNZMSWOLRAOPEQACIZPBNAIISNDPHZFAAMMTPLKESACLNNNJYYKYWJTLKNYZPPZVSCVEYYALWEYSWWSXDXJRYLKRPCGJRJPNFTNMMWEAZYTJSDINYUYJNJIUZAAJXHCQWNJCSQHJNHNXNRJHSRENVZPAZY
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
diana
diana
polyalphabetic
{ "type": "keyword", "value": "RANGER" }
intermediate
en
163
163
cipher_museum
2.0
public
null
null
columnar-transposition-vi-0026
TYROSOLFECHTORFTESFEIEGRNDPOHPIRDTRNEOOHEIUOWAEIHEHFERGSNENCNIVRGAAERPUFVATYE
TYROSOLFECHTORFTESFEIEGRNDPOHPIRDTRNEOOHEIUOWAEIHEHFERGSNENCNIVRGAAERPUFVATYE
THE PRAYER OF A RIGHTEOUS PERSON IS POWERFUL AND EFFECTIVE IN REACHING THE VERY THRONE OF GOD
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
77
77
cipher_museum
2.0
public
null
null
chaocipher-225
YWNBJVVUJYTHFXAULYBCBPMRHKYDXAKZZEHELMGYJORVEZ
YWNBJVVUJYTHFXAULYBCBPMRHKYDXAKZZEHELMGYJORVEZ
I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "MUSEUM" }
advanced
en
46
46
cipher_museum
0.2
public
null
null
cda-0020301
6294 2554 1600 01896 4783 06672 05684 06023 5420 06618 00314 05707 01609 01014 2882 5043 02525 1648 05676 6626 6015 01646 05978 06282 07303 04797 3465 01657 7868 07222 4784 05723 01296 5039 4758 3822 07859 00718 2844 6642 5998 6058 5419 06686 0413 5679 1605 05983 06365 02608 1652 0373 5705 0946 2522 02865 6322 1649 101...
6294 2554 1600 01896 4783 06672 05684 06023 5420 06618 00314 05707 01609 01014 2882 5043 02525 1648 05676 6626 6015 01646 05978 06282 07303 04797 3465 01657 7868 07222 4784 05723 01296 5039 4758 3822 07859 00718 2844 6642 5998 6058 5419 06686 0413 5679 1605 05983 06365 02608 1652 0373 5705 0946 2522 02865 6322 1649 101...
THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES THE ARCHITECTURE SHOULD MAKE MISUSE HARDER FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS
zimmermann
zimmermann
null
{}
hard
en
122
122
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
purple-v2-0313
PUDTGEOKMNBNXBALWAFEZDVDDGJORWPNRAJCNVOYYINHVDTGJROUKOSKMNLPDCKEUYBIAXTH
PUDTGEOKMNBNXBALWAFEZDVDDGJORWPNRAJCNVOYYINHVDTGJROUKOSKMNLPDCKEUYBIAXTH
ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS
purple
purple
machine
{ "type": "seed", "value": "SAKURA" }
expert
en
72
72
cipher_museum
2.0
public
null
null
cda-0018123
HISTO RICAL CIPHE RSARE TEACZ ERSNO TPROZ ECTIO NTHEB ESTLE SSONS SHOWW HERET HEMEZ HODFX ILSTH EDETE CTIVX STUDZ ESPAT TERNS BEFOX EMAKX NGCLZ IMSTX OSQUA RECIP HEREN CRYPX SDIGR APHSW ITHTW OPOLX BIUSA LPHAB ETSXX
HISTO RICAL CIPHE RSARE TEACZ ERSNO TPROZ ECTIO NTHEB ESTLE SSONS SHOWW HERET HEMEZ HODFX ILSTH EDETE CTIVX STUDZ ESPAT TERNS BEFOX EMAKX NGCLZ IMSTX OSQUA RECIP HEREN CRYPX SDIGR APHSW ITHTW OPOLX BIUSA LPHAB ETSXX
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS
commercial_code
commercial_code
null
{}
hard
en
180
180
synthetic_educational
null
null
[ "codebook_frequency", "five_letter_group_analysis" ]
Commercial code: five-letter groups from a codebook, often ending in X or Z.
kama-sutra-v2-0091
QGL ZLOVLQ EULZ PIVULM PLXLYQG QGL QGUVM JEYHZQCXL CJ QGL CEM OGIVOG OCIVQAYVM YQ MYKX QCDCVVCK
QGL ZLOVLQ EULZ PIVULM PLXLYQG QGL QGUVM JEYHZQCXL CJ QGL CEM OGIVOG OCIVQAYVM YQ MYKX QCDCVVCK
THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "SANSKRIT" }
intermediate
en
80
95
cipher_museum
2.0
public
null
null
cardano-autokey-v2-0184
SRZZVZVGALJNMPORTMBGMNPQBSQTKVPWSKGAGWJVKAHEZQGAMNLRHGGTJAXSRVZWGIFD
SRZZVZVGALJNMPORTMBGMNPQBSQTKVPWSKGAGWJVKAHEZQGAMNLRHGGTJAXSRVZWGIFD
NEVER IN THE FIELD OF HUMAN CONFLICT WAS SO MUCH OWED BY SO MANY TO SO FEW BRAVE SOULS
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "FLORENCE" }
advanced
en
68
68
cipher_museum
2.0
public
null
null
two-square-v2-0296
RGELORDISMXTHEHGKODINMBKLNQSWAQUHERFDFRGTFLIGANXLULHTADOPAQCMQFUBYQCUKNVBSKOOZ
RGELORDISMXTHEHGKODINMBKLNQSWAQUHERFDFRGTFLIGANXLULHTADOPAQCMQFUBYQCUKNVBSKOOZ
THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS
two_square
two_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
78
78
cipher_museum
2.0
public
null
null
four-square-v2-0276
ODICKQOOUMBNSOTMDYIMTZRRUDRQOMNKGLODODQHNFPSCUOX
ODICKQOOUMBNSOTMDYIMTZRRUDRQOMNKGLODODQHNFPSCUOX
THE COURSE OF TRUE LOVE NEVER DID RUN SMOOTH THROUGH AGES
four_square
four_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
48
48
cipher_museum
2.0
public
null
null
cda-0014215
OKSHY CHOLR AIINR CHEOL SHARA LOKED YOTAI INSHA RALOR ORKAI IINRC HEOLQ OKEED YQOKE DYCTA IINYK CHEOL CHEOL OKEDY OTEDY SHALS HEEDY ORORL KAIIN OXEDC HOROX EDDAR ALLKA IINOX EDOTA IN
OKSHY CHOLR AIINR CHEOL SHARA LOKED YOTAI INSHA RALOR ORKAI IINRC HEOLQ OKEED YQOKE DYCTA IINYK CHEOL CHEOL OKEDY OTEDY SHALS HEEDY ORORL KAIIN OXEDC HOROX EDDAR ALLKA IINOX EDOTA IN
THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN
voynich_render
voynich_render
null
{}
hard
en
152
152
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
wallis-cipher-v3-0102
90 55 61 56 91 90 76 81 34 23 87 10 55 81 85 91 90 14 63 42 12 54 37 10 91 90 59 53 89 49 22 61 55 91 90 10 42 39 56 55 23 54 63 91 90 10 61 56 91 90 22 53 54 87 55 56 24 10 91 90 43 48 33 54 34 55 28 31 33 37 91 90 40 28 85 82 24 91 90 89 72 91 90 10 23 56 91 90 55 45 54 34 10 33 56 55 61 91 90 48 54 85 10 25 63 86 91...
90 55 61 56 91 90 76 81 34 23 87 10 55 81 85 91 90 14 63 42 12 54 37 10 91 90 59 53 89 49 22 61 55 91 90 10 42 39 56 55 23 54 63 91 90 10 61 56 91 90 22 53 54 87 55 56 24 10 91 90 43 48 33 54 34 55 28 31 33 37 91 90 40 28 85 82 24 91 90 89 72 91 90 10 23 56 91 90 55 45 54 34 10 33 56 55 61 91 90 48 54 85 10 25 63 86 91...
THE MANHATTAN PROJECT BROUGHT TOGETHER THE GREATEST SCIENTIFIC MINDS OF THE TWENTIETH CENTURY IN A RACE TO BUILD THE ATOMIC BOMB BEFORE NAZI GERMANY COULD DO SO THE EFFORT CHANGED THE WORLD FOREVER
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "OXFORD" }
expert
en
462
692
cipher_museum
2.0
public
null
null
red-type-a-v2-0040
LEJCZTDOLJIWRDPEHVPAOHJI
LEJCZTDOLJIWRDPEHVPAOHJI
NORTH STAR HOLDS FIRM COURSE
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "SAKURA" }
advanced
en
24
24
cipher_museum
2.0
public
null
null
chaocipher-v2-0234
FJNWZMQACWAQLRKTCKXKSYZLDKGABWMMFGAPLEWRTENRGGFCYGOXGSHJSUMSCNZFYVFRNPYKFJAFXVBUSJFHEMGWPCJWCJZOWUYVBHPMWTKDPWFXOHZTJQPGYNFZLVZCTMWENVWNERNGEYG
FJNWZMQACWAQLRKTCKXKSYZLDKGABWMMFGAPLEWRTENRGGFCYGOXGSHJSUMSCNZFYVFRNPYKFJAFXVBUSJFHEMGWPCJWCJZOWUYVBHPMWTKDPWFXOHZTJQPGYNFZLVZCTMWENVWNERNGEYG
WITH MALICE TOWARD NONE WITH CHARITY FOR ALL WITH FIRMNESS IN THE RIGHT AS GOD GIVES US TO SEE THE RIGHT LET US STRIVE ON TO FINISH THE WORK WE ARE IN TO BIND UP THE NATIONS WOUNDS
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
143
143
cipher_museum
2.0
public
null
null
kama-sutra-v3-0188
QC BLYUCQ UIXEE PL ILEM WC XQUTLY KCY X OXBHWXE OYHDL SQELUU CQ BYLULQWDLQW CK X JYXQM GSYR
QC BLYUCQ UIXEE PL ILEM WC XQUTLY KCY X OXBHWXE OYHDL SQELUU CQ BYLULQWDLQW CK X JYXQM GSYR
NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "VATSYANA" }
intermediate
en
74
91
cipher_museum
2.0
public
null
null
tap-code-006
. . . .. ... .... .... .. .... .... ... .. .. .... .... ... .... ... .. .... ... .... ... ... ... ... ... .... ..... ..
. . . .. ... .... .... .. .... .... ... .. .. .... .... ... .... ... .. .... ... .... ... ... ... ... ... .... ..... ..
ABORT MISSION NOW
tap_code
tap_code
substitution
{ "type": "none", "value": null }
beginner
en
90
147
cipher_museum
0.2
public
null
null
columnar-transposition-v2-0487
EOETOITEGCSLATEEOTIONOLSETEIHDOCEGSANSJTDRDIOLURHSVESFARREPGUUHFEENNEBTRPAFTEREOAELHMORHTUTSYHHERTTESINNSDIEEFLEURIOPEEEEUTAIAEMPTPDEOCOTSMLWFRNSNAMNLSBEORGWRTFEDNI
EOETOITEGCSLATEEOTIONOLSETEIHDOCEGSANSJTDRDIOLURHSVESFARREPGUUHFEENNEBTRPAFTEREOAELHMORHTUTSYHHERTTESINNSDIEEFLEURIOPEEEEUTAIAEMPTPDEOCOTSMLWFRNSNAMNLSBEORGWRTFEDNI
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
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "WARRIOR" }
intermediate
en
164
164
cipher_museum
2.0
public
null
null
rail-fence-es-044
MALBOEURBASBEDALPRIJQEODALSEIOVOPIO
MALBOEURBASBEDALPRIJQEODALSEIOVOPIO
MAS SABE EL DIABLO POR VIEJO QUE POR DIABLO
rail_fence
rail_fence
transposition
{ "type": "shift", "value": 3 }
intermediate
es
35
35
cipher_museum
0.2
public
null
null
hill-v3-0447
GCPMNBPKXWKZEWSWCQSFJT
GCPMNBPKXWKZEWSWCQSFJT
SONS OF LIBERTY ASSEMBLE
hill
hill
polygraphic
{ "a": 11, "b": 3, "c": 2, "d": 5 }
advanced
en
22
22
cipher_museum
2.0
public
null
null
vic-v3-0176
90834868593488890859080454826904809085908349101904808990690489795908342850899019091901850688488489488924809085908348990690489
90834868593488890859080454826904809085908349101904808990690489795908342850899019091901850688488489488924809085908348990690489
THE POWERS NOT DELEGATED TO THE UNITED STATES BY THE CONSTITUTION ARE RESERVED TO THE STATES
vic
vic
substitution
{ "type": "keyword", "value": "NICKEL" }
advanced
en
125
125
cipher_museum
2.0
public
null
null
bifid-v3-0146
EFOABVROKDRGZFANSFXSPCFFDRSRCAFMFDRFNBAVXEGZHCZWAAWDOIPNZWCPSZHNAXWDPSZX
EFOABVROKDRGZFANSFXSPCFFDRSRCAFMFDRFNBAVXEGZHCZWAAWDOIPNZWCPSZHNAXWDPSZX
TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER
bifid
bifid
fractionation
{ "type": "keyword", "value": "FORTRESS" }
advanced
en
72
72
cipher_museum
2.0
public
null
null
nihilist-v3-0190
43 56 35 47 39 87 49 83 29 55 35 39 56 76 52 48 38 28 66 63 86 46 37 26 59 48 65 59 72 29 67 35 67 83 80 53 56 35 47 39 87 47 86 29 39 35 58 56 88 73 30 48 56 56 66 77 74 29 29 55 37 66 86 76 47 37 25 37 53 49 73 38 55 39 59 56 78 42 29 29 26 66 63 77 54 66 55 26 56 54 49 56 36 47 28 67 57 57 73 46 46 29 48 94 47 52 38...
43 56 35 47 39 87 49 83 29 55 35 39 56 76 52 48 38 28 66 63 86 46 37 26 59 48 65 59 72 29 67 35 67 83 80 53 56 35 47 39 87 47 86 29 39 35 58 56 88 73 30 48 56 56 66 77 74 29 29 55 37 66 86 76 47 37 25 37 53 49 73 38 55 39 59 56 78 42 29 29 26 66 63 77 54 66 55 26 56 54 49 56 36 47 28 67 57 57 73 46 46 29 48 94 47 52 38...
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
nihilist
nihilist
fractionation
{ "polybius": "LIBERTY", "keyword": "FREEDOM" }
advanced
en
328
491
cipher_museum
2.0
public
null
null
kryptos-v2-0288
GTCIVENRJEIYEO
GTCIVENRJEIYEO
LIBERTY OR DEATH
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "VIRTUAL" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
kama-sutra-v3-0281
VMTFFTX WGT EQT LTTO SKG EQTN FQWMM ZYQTGZE EQT TWGEQ WYX EQT JTWUTLWOTGF FQWMM VT UWMMTX FKYF
VMTFFTX WGT EQT LTTO SKG EQTN FQWMM ZYQTGZE EQT TWGEQ WYX EQT JTWUTLWOTGF FQWMM VT UWMMTX FKYF
BLESSED ARE THE MEEK FOR THEY SHALL INHERIT THE EARTH AND THE PEACEMAKERS SHALL BE CALLED SONS
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "INDIA" }
intermediate
en
78
94
cipher_museum
2.0
public
null
null
adfgx-v2-0585
DXAXFDXDDGAXDDGXAAADDXGXFXAGDFGXGGDFAAFDDDXGGGDXDGDGDAXXDGGGDGXDAADFXAAGXDDXGXXDXGDFXAFGXAADAFAAXGFFDGGAFAXADADADXGAXDAGDADAFGADGDAFXFAAGFADAGXFXDAAXDDGXADDXDXDFXXGFAFGXDGXAFGGFGGGAFFAGAXGXGAAAGGXXXGXFXXFGADAGAGXGXFXAXDXFXXADAGXAXAXDXDAAGDXDGAAGGFDGDAADXXXXDGDADFGADAFXAGDAAAADDDXDAGGADGAGGXGXGDFGDFFAAAGFGAAAGGADXGDGAAG...
DXAXFDXDDGAXDDGXAAADDXGXFXAGDFGXGGDFAAFDDDXGGGDXDGDGDAXXDGGGDGXDAADFXAAGXDDXGXXDXGDFXAFGXAADAFAAXGFFDGGAFAXADADADXGAXDAGDADAFGADGDAFXFAAGFADAGXFXDAAXDDGXADDXDXDFXXGFAFGXDGXAFGGFGGGAFFAGAXGXGAAAGGXXXGXFXXFGADAGAGXGXFXAXDXFXXADAGXAXAXDXDAAGDXDGAAGGFDGDAADXXXXDGDADFGADAFXAGDAAAADDDXDAGGADGAGGXGXGDFGDFFAAAGFGAAAGGADXGDGAAG...
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
adfgx
adfgx
fractionation
{ "polybius": "WISDOM", "columnar": "COURAGE" }
advanced
en
344
344
cipher_museum
2.0
public
null
null
cda-0002170
EOEOR TEULR SLETD THMEM CUDRA CUAAE RPLLD XEUOA SSRTL IINHA TSOUG AUDSN HWHEE ISMNA HTKSU HOEHA PBRS
EOEOR TEULR SLETD THMEM CUDRA CUAAE RPLLD XEUOA SSRTL IINHA TSOUG AUDSN HWHEE ISMNA HTKSU HOEHA PBRS
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS
double_transposition
double_transposition
null
{ "key1": "LIBERTY", "key2": "PATTERN" }
hard
en
84
84
synthetic_educational
null
null
[ "key_length_search", "anagram_recovery" ]
Double columnar transposition: apply columnar twice for stronger security.
fractionated-morse-v2-0165
MKTQHBRJQQLMEQQRTAFQVVARDAHSGA
MKTQHBRJQQLMEQQRTAFQVVARDAHSGA
TORPEDO AWAY ALL HANDS BRACE
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "FORTRESS" }
advanced
en
30
30
cipher_museum
2.0
public
null
null
nomenclator-v2-0031
22 05 14 09 22 09 04 09 22 09 03 09
22 05 14 09 22 09 04 09 22 09 03 09
VENI VIDI VICI
nomenclator
nomenclator
nomenclator
{ "type": "none", "value": null }
expert
en
24
35
cipher_museum
2.0
public
null
null
bifid-v2-0367
MVRVDFCUEMQLBC
MVRVDFCUEMQLBC
COVER MY RETREAT
bifid
bifid
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
bifid-v2-0180
FROSGVSGVRSHRRDRHTLSMHEGEFSIEOBBKFMRBOGDOWEYDALYANVSWGAYOCANAVXLXVVODWCLIO
FROSGVSGVRSHRRDRHTLSMHEGEFSIEOBBKFMRBOGDOWEYDALYANVSWGAYOCANAVXLXVVODWCLIO
FOR GOD SO LOVED THE WORLD THAT HE GAVE HIS ONLY SON THAT WHOEVER BELIEVES SHALL NOT PERISH
bifid
bifid
fractionation
{ "type": "keyword", "value": "FORTRESS" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
hill-v2-0064
MJUUTGEPPYZSOJCMOXDVYLJIHKPYHXFMCBBGNNFWBKEPHRJIHKWSJYCBTFTZNNXARCLDDVNMQINJ
MJUUTGEPPYZSOJCMOXDVYLJIHKPYHXFMCBBGNNFWBKEPHRJIHKWSJYCBTFTZNNXARCLDDVNMQINJ
TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS
hill
hill
polygraphic
{ "a": 3, "b": 5, "c": 2, "d": 9 }
advanced
en
76
76
cipher_museum
2.0
public
null
null
cda-0013522
Γ ┘· ─ ┘· K r ┘· ─ ⌐· X· X L ┘· ¬ ⌐· X· X r ⌐ K Γ· ┘· ─ ⌒ Γ· K r· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─
Γ ┘· ─ ┘· K r ┘· ─ ⌐· X· X L ┘· ¬ ⌐· X· X r ⌐ K Γ· ┘· ─ ⌒ Γ· K r· L ─ r ┌· ⌒· ┐· K Γ· ┘· ─
DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION
pigpen
pigpen
null
{}
easy
en
14
14
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
geez-monastic-113
SOXGYTXUWOROQKCOXFKYAFXFOFOPZOCTDPSSPCQXFOTXPITAKQPINDKIOZOI
SOXGYTXUWOROQKCOXFKYAFXFOFOPZOCTDPSSPCQXFOTXPITAKQPINDKIOZOI
LET JUSTICE BE DONE THOUGH THE HEAVENS FALL AND THE STARS GO DARK FOREVER
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "CIPHER" }
advanced
en
60
60
cipher_museum
0.2
public
null
null
red-type-a-v3-0133
MTOXUPJIINWISYMUZOPP
MTOXUPJIINWISYMUZOPP
THE REDCOATS ARE COMING
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "YAMATO" }
advanced
en
20
20
cipher_museum
2.0
public
null
null
commercial-code-v3-0065
BABAB ZUZUZ CAZUZ BAZUZ ZAZUZ ZAZUZ PAZUZ GAZUZ XUZUZ CABAB ZUZUZ JAZUZ GAZUZ ZAZUZ ZAZUZ GEZUZ XAZUZ CAZUZ BEZUZ WAZUZ JAZUZ XUZUZ ZUZUZ PAZUZ BAZUZ XAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ WAZUZ GAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ BAZUZ GEZUZ XAZUZ XUZUZ DABAB ZUZUZ DAZUZ SAZUZ XAZUZ ZAZUZ XUZUZ MOBAB ZUZUZ HAZUZ LA...
BABAB ZUZUZ CAZUZ BAZUZ ZAZUZ ZAZUZ PAZUZ GAZUZ XUZUZ CABAB ZUZUZ JAZUZ GAZUZ ZAZUZ ZAZUZ GEZUZ XAZUZ CAZUZ BEZUZ WAZUZ JAZUZ XUZUZ ZUZUZ PAZUZ BAZUZ XAZUZ ZAZUZ GAZUZ FAZUZ XUZUZ ZUZUZ ZAZUZ KAZUZ WAZUZ GAZUZ GAZUZ XUZUZ ZUZUZ FAZUZ BAZUZ GEZUZ XAZUZ XUZUZ DABAB ZUZUZ DAZUZ SAZUZ XAZUZ ZAZUZ XUZUZ MOBAB ZUZUZ HAZUZ LA...
THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL
commercial_code
commercial_code
codebook
{ "type": "none", "value": null }
expert
en
435
521
cipher_museum
2.0
public
null
null
red-type-a-v2-0319
UCDMELOHELNAGSFIXCLOANORVKIVIYPOJACTSSOIUKBWYGHKAMLHECSWYWULOTQQOKAXEITQIIV
UCDMELOHELNAGSFIXCLOANORVKIVIYPOJACTSSOIUKBWYGHKAMLHECSWYWULOTQQOKAXEITQIIV
IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "TOKYO" }
advanced
en
75
75
cipher_museum
2.0
public
null
null
cda-0019332
44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 14 24 22 42 11 35 23 11 33 14 44 42 24 22 42 11 35 23 21 42 15 41 45 15 33 13 24 15 43 15 53 35 34 43 15 43 24 32 35 31 15 13 24 35 23 15 42 43 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15...
44 23 15 42 11 24 31 21 15 33 13 15 13 24 35 23 15 42 52 42 24 44 15 43 44 15 53 44 24 33 11 55 24 22 55 11 22 35 11 44 44 15 42 33 14 24 22 42 11 35 23 11 33 14 44 42 24 22 42 11 35 23 21 42 15 41 45 15 33 13 24 15 43 15 53 35 34 43 15 43 24 32 35 31 15 13 24 35 23 15 42 43 23 24 43 44 34 42 24 13 11 31 13 24 35 23 15...
THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH HONESTLY
polybius
polybius
null
{}
hard
en
200
200
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
cda-0013450
8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19 20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15 6 12 5 20 20 5 18 19 19 9 13 21 12 20 1 14 5 15 21 19 12 25 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 1...
8 9 12 12 3 9 16 8 5 18 21 19 5 19 12 9 14 5 1 18 1 12 7 5 2 18 1 20 15 5 14 3 18 25 16 20 2 12 15 3 11 19 15 6 12 5 20 20 5 18 19 20 8 5 16 12 1 25 6 1 9 18 3 9 16 8 5 18 5 14 3 18 25 16 20 19 16 1 9 18 19 15 6 12 5 20 20 5 18 19 19 9 13 21 12 20 1 14 5 15 21 19 12 25 1 20 2 1 19 8 5 14 3 15 4 5 19 2 25 18 5 22 5 18 1...
HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY ATBASH ENCODES BY REVERSING THE ALPHABET DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS
aeneas_tacticus
aeneas_tacticus
null
{}
hard
en
187
187
synthetic_educational
null
null
[ "sequential_number_decode", "frequency_analysis" ]
Aeneas Tacticus: Greek sequential-number cipher; A=1…Z=26.
cda-0013328
44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43 21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15...
44 23 15 11 42 13 23 24 44 15 13 44 45 42 15 43 23 34 45 31 14 32 11 25 15 32 24 43 45 43 15 23 11 42 14 15 42 44 23 15 21 34 45 42 43 41 45 11 42 15 13 24 35 23 15 42 45 43 15 43 44 52 34 25 15 54 52 34 42 14 35 34 31 54 12 24 45 43 43 41 45 11 42 15 43 21 42 24 15 14 32 11 33 15 43 44 24 32 11 44 15 14 25 15 54 31 15...
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION HONESTLY
polybius
polybius
null
{}
hard
en
188
188
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
enigma-v2-0125
PZUAEXFKDCMFWVXPGCJPPSYTFCDXFEBVALBXEDUYTOXIVAUFXXXXQOHSNEBJHKRZWJPAZIWKDDDZFCPUEAIEYDNZWBGDMKTKJWVFMMFJWMNPKQIRVPTKFOBAWQXKCPJKYFYTRUIJXFCFQGZQTJWOMHUFIXDYZWMCADDTWWHXJRZE
PZUAEXFKDCMFWVXPGCJPPSYTFCDXFEBVALBXEDUYTOXIVAUFXXXXQOHSNEBJHKRZWJPAZIWKDDDZFCPUEAIEYDNZWBGDMKTKJWVFMMFJWMNPKQIRVPTKFOBAWQXKCPJKYFYTRUIJXFCFQGZQTJWOMHUFIXDYZWMCADDTWWHXJRZE
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
enigma
enigma
machine
{ "type": "rotor_start", "value": "ABC" }
expert
en
172
172
cipher_museum
2.0
public
null
null
enigma-v2-0450
ZIBBCNULLJGAZRBMRRTUQDBVMMQVPLQTSPMBOETKTNTEZJRXECITEQIQZAMLJHFRVPLNI
ZIBBCNULLJGAZRBMRRTUQDBVMMQVPLQTSPMBOETKTNTEZJRXECITEQIQZAMLJHFRVPLNI
IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT
enigma
enigma
machine
{ "type": "rotor_start", "value": "JKL" }
expert
en
69
69
cipher_museum
2.0
public
null
null
cda-0007138
GUS PRFG YSFFBAF FUBJ JUSER GUN ZRGVBR TOVYF GVR YWNEOEL CENFREIRF XABJYNRTR TBE GUR QBZZHAWGL
GUS PRFG YSFFBAF FUBJ JUSER GUN ZRGVBR TOVYF GVR YWNEOEL CENFREIRF XABJYNRTR TBE GUR QBZZHAWGL
THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY
porta
porta
null
{ "key": "CIPHER" }
hard
en
80
80
synthetic_educational
null
null
[]
trifid-v3-0304
OIRSVELUTOIERPBDYDLSCBIJBGLDPLOGVJCYTHN+LIOBIYDNCWKNTYGWMKGVETVNWIXAIOIPBSFBPKTBLQHDYLJBKKCDJOJDB+MWCVCZFOMEBYBPCGEL+STSKTDKOEQPNVEXH+LPRDHIEQE+QYPEDFERRLPLBKAONYRCY
OIRSVELUTOIERPBDYDLSCBIJBGLDPLOGVJCYTHN+LIOBIYDNCWKNTYGWMKGVETVNWIXAIOIPBSFBPKTBLQHDYLJBKKCDJOJDB+MWCVCZFOMEBYBPCGEL+STSKTDKOEQPNVEXH+LPRDHIEQE+QYPEDFERRLPLBKAONYRCY
ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS
trifid
trifid
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
165
165
cipher_museum
2.0
public
null
null
nihilist-v3-0323
93 38 47 65 63 65 38 80 74 45 75 38 58 72 57 66 25 58 45
93 38 47 65 63 65 38 80 74 45 75 38 58 72 57 66 25 58 45
MEASURE TWICE CUT ONCE
nihilist
nihilist
fractionation
{ "polybius": "NARODNAYA", "keyword": "VOLYA" }
advanced
en
38
56
cipher_museum
2.0
public
null
null
geez-monastic-v2-0179
TSTQWYOFPTAFTCOFITBQOLESVIOMZFBVTIIWARXFVPZLZHFWJZAPOSYEFQTBIJTYXHHAEVJIESV
TSTQWYOFPTAFTCOFITBQOLESVIOMZFBVTIIWARXFVPZLZHFWJZAPOSYEFQTBIJTYXHHAEVJIESV
ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "AXUM" }
advanced
en
75
75
cipher_museum
2.0
public
null
null
zimmermann-v3-0088
99999 90003 90008 90005 90005 90008 90004 99998 00002 99999 90007 90004 90011 90011 90012 90000 90013 99998 99999 90008 90013 90021 90004 90013 90019 90004 90003 99998 99999 90015 90020 90001 90011 90008 90002 99998 99999 90010 90004 90024 99998 99999 90002 90017 90024 90015 90019 90014 90006 90017 90000 90015 90007 90...
99999 90003 90008 90005 90005 90008 90004 99998 00002 99999 90007 90004 90011 90011 90012 90000 90013 99998 99999 90008 90013 90021 90004 90013 90019 90004 90003 99998 99999 90015 90020 90001 90011 90008 90002 99998 99999 90010 90004 90024 99998 99999 90002 90017 90024 90015 90019 90014 90006 90017 90000 90015 90007 90...
DIFFIE AND HELLMAN INVENTED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX CHANGING EVERYTHING
zimmermann
zimmermann
codebook
{ "type": "none", "value": null }
expert
en
510
611
cipher_museum
2.0
public
null
null
cda-0003255
NERD HSNQ LNAN YKGV FQNA DSIR OYJS OXPW CVSF F
NERD HSNQ LNAN YKGV FQNA DSIR OYJS OXPW CVSF F
FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS
porta
porta
null
{ "key": "LIBRARY" }
medium
en
37
37
synthetic_educational
null
null
[ "kasiski_examination", "index_of_coincidence" ]
Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).
cda-0022018
Z HGILMT XOZRN MVVWH HGILMT VERWVMXV GSV KOZBUZRI XRKSVI VMXIBKGH KZRIH LU OVGGVIH HRNFOGZMVLFHOB XLOFNMZI GIZMHKLHRGRLM IVZWH XLOFNMH RM PVB LIWVI
Z HGILMT XOZRN MVVWH HGILMT VERWVMXV GSV KOZBUZRI XRKSVI VMXIBKGH KZRIH LU OVGGVIH HRNFOGZMVLFHOB XLOFNMZI GIZMHKLHRGRLM IVZWH XLOFNMH RM PVB LIWVI
A STRONG CLAIM NEEDS STRONG EVIDENCE THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER
atbash
atbash
null
{}
hard
en
127
127
synthetic_educational
null
null
[ "self_inverse_check", "frequency_analysis" ]
Atbash maps A↔Z, B↔Y, … and is its own inverse.
trithemius-v3-0051
TXQ USFJZ LRFPDTSS YE S RYGHLU VOPF DRI YVZAI T OBIAT EGM NMWSCK BPVK ESJ IM XXP FEOKUCWK
TXQ USFJZ LRFPDTSS YE S RYGHLU VOPF DRI YVZAI T OBIAT EGM NMWSCK BPVK ESJ IM XXP FEOKUCWK
TWO ROADS DIVERGED IN A YELLOW WOOD AND SORRY I COULD NOT TRAVEL BOTH AND BE ONE TRAVELER
trithemius
trithemius
polyalphabetic
{ "type": "none", "value": null }
beginner
en
72
89
cipher_museum
2.0
public
null
null
hist-alberti-de-cifris-001
LNZC EJBPE ZNEIL
LNZC EJBPE ZNEIL
AMOR VINCIT OMNIA
alberti_disk
alberti_disk
polyalphabetic
{ "outer": "ABCDEFGHILMNOPQRSTVXZ1234", "inner": "gklnprtvz&xysomqihdba", "index": "A" }
advanced
la
14
16
cipher_museum
0.2
public
null
null
cda-0016593
06002 6613 0724 6028 06379 02910 6315 6642 06313 02836 04710 4488 00957 2884 5121 02580 1660 05671 06013 4107 0377 5097 1585 00326 0996 2601 03791 01643 6310 06329 1588 05675 06362 04738 0352 01271 2831 1962 01927 1664 05687 1618 4415 06319 3838 01592 6329 6354 1642 5720 5084 06616 00663 03826 2911 1006 02871 4481 1898...
06002 6613 0724 6028 06379 02910 6315 6642 06313 02836 04710 4488 00957 2884 5121 02580 1660 05671 06013 4107 0377 5097 1585 00326 0996 2601 03791 01643 6310 06329 1588 05675 06362 04738 0352 01271 2831 1962 01927 1664 05687 1618 4415 06319 3838 01592 6329 6354 1642 5720 5084 06616 00663 03826 2911 1006 02871 4481 1898...
SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN ATBASH ENCODES BY REVERSING THE ALPHABET THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER
zimmermann
zimmermann
null
{}
hard
en
181
181
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
scytale-v3-0445
TEECASRCMNXXHRDOTAEOIGXX
TEECASRCMNXXHRDOTAEOIGXX
THE REDCOATS ARE COMING
scytale
scytale
transposition
{ "type": "integer", "value": 12 }
intermediate
en
24
24
cipher_museum
2.0
public
null
null
enigma-v3-0587
QWADDTLPRRALPDRDKFSLLRIMTIMKKVLIUGWDEGMBUIBVOWTAVRKVLBRFTIOFCHXROFDSQPTGI
QWADDTLPRRALPDRDKFSLLRIMTIMKKVLIUGWDEGMBUIBVOWTAVRKVLBRFTIOFCHXROFDSQPTGI
WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY
enigma
enigma
machine
{ "type": "rotor_start", "value": "PQR" }
expert
en
73
73
cipher_museum
2.0
public
null
null
vernam-084
QYIHTUMVRMC
QYIHTUMVRMC
RALLY AT DAWN
vernam
vernam
stream
{ "type": "pad", "value": "ZYXWVUTS (repeating)" }
expert
en
11
11
cipher_museum
0.2
public
null
null
cda-0006529
WEWNB GBGSW PFWWV GMFDK FWGSS DNWMS PKVWO
WEWNB GBGSW PFWWV GMFDK FWGSS DNWMS PKVWO
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL
monoalphabetic
monoalphabetic
null
{ "alphabet": "MAIVWQHDTXUOPFKLYNGSJECRBZ" }
medium
en
35
35
synthetic_educational
null
null
[ "frequency_analysis", "pattern_words", "hill_climbing_lm" ]
Monoalphabetic substitution with an arbitrary 26-letter permutation.
cda-0019001
GSGEOBKAIMOQEVERFNWNOITNVDBGRMRSQLWTHDBYITBGDGPCUMYSXSQEJXBSGCKSARMDNPWATIHKTYUOFKOZOCYNGCBIRFLKCJAUCQEHLRBISPKOULFVVFUNAKSCRLDVDHBHRBSKEPYU
GSGEOBKAIMOQEVERFNWNOITNVDBGRMRSQLWTHDBYITBGDGPCUMYSXSQEJXBSGCKSARMDNPWATIHKTYUOFKOZOCYNGCBIRFLKCJAUCQEHLRBISPKOULFVVFUNAKSCRLDVDHBHRBSKEPYU
POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER
vernam
vernam
null
{}
hard
en
140
140
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
adfgx-v2-0068
AFDXXDGDFGGDFGDAFDXXDFXDGFDGDAAGFADGXAGDADGDAAAFAAFGXXDXXAXGDXXFXDDXXDXXXDFXXAAGDGFAGGADAADDAAGDAAFGFGAGAGAADGFDGAAFFAGAGAAAGFDFFDGAXXDXXFFXXGFFDGAGDDFG
AFDXXDGDFGGDFGDAFDXXDFXDGFDGDAAGFADGXAGDADGDAAAFAAFGXXDXXAXGDXXFXDDXXDXXXDFXXAAGDGFAGGADAADDAAGDAAFGFGAGAGAADGFDGAAFFAGAGAAAGFDFFDGAXXDXXFFXXGFFDGAGDDFG
BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US
adfgx
adfgx
fractionation
{ "polybius": "PALACE", "columnar": "BATTLE" }
advanced
en
152
152
cipher_museum
2.0
public
null
null
geheimschreiber-v3-0320
VUIYPEKHFEOJLOTG
VUIYPEKHFEOJLOTG
THE SENATE DECREES
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "TEUTON" }
expert
en
16
16
cipher_museum
2.0
public
null
null
gronsfeld-v2-1048
QPVUNVUESNRMHTLLSQDUXSWF
QPVUNVUESNRMHTLLSQDUXSWF
NORTH STAR HOLDS FIRM COURSE
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "31416" }
intermediate
en
24
24
cipher_museum
2.0
public
null
null
playfair-v3-0059
UGPHCRSCHUGDQKRCKOWDHCBKTYOHRMOPRLHIZPCOFCCKFGKUHMQSNITYFUKOOKOCUCCOHMSUZY
UGPHCRSCHUGDQKRCKOWDHCBKTYOHRMOPRLHIZPCOFCCKFGKUHMQSNITYFUKOOKOCUCCOHMSUZY
THE BATTLE OF BRITAIN RAGED IN THE SKIES ABOVE ENGLAND FOR FOUR MONTHS IN NINETEEN FORTY
playfair
playfair
polygraphic
{ "type": "keyword", "value": "PALACE" }
intermediate
en
74
74
cipher_museum
2.0
public
null
null
kryptos-v2-0180
XBEIVWSOMVMUJQXJYHVLBYGWRYFCQDKRXTUVJNLVTLTUWQZLABYWXWKNYKYXSLLCDTHXILGMFMH
XBEIVWSOMVMUJQXJYHVLBYGWRYFCQDKRXTUVJNLVTLTUWQZLABYWXWKNYKYXSLLCDTHXILGMFMH
ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "LANGLEY" }
advanced
en
75
75
cipher_museum
2.0
public
null
null
columnar-transposition-v2-1194
OTASHFFDEINLETHEOOHNUNOSNSATRRFFLTDAREAEOEOSAOAEEWFUESRDNBWDTRIYTEOAI
OTASHFFDEINLETHEOOHNUNOSNSATRRFFLTDAREAEOEOSAOAEEWFUESRDNBWDTRIYTEOAI
BLOOD SWEAT AND TEARS THESE ARE WHAT I OFFER YOU FOR THE DEFENSE OF OUR ISLAND NATION
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
69
69
cipher_museum
2.0
public
null
null
one-time-pad-037
DUXOXUAWTBDVIZHVWNBYGNPQIVKXUFZLJGWUHTGXCO
DUXOXUAWTBDVIZHVWNBYGNPQIVKXUFZLJGWUHTGXCO
GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "XMCKLQPOS (repeating)" }
expert
en
42
42
cipher_museum
0.2
public
null
null
bacon-cipher-010
BAABA AABBB AABAA ABBBA AAAAA AAABA ABAAB AAAAA AABBA AABAA ABAAA BAAAB AAABB AABAA ABABA ABAAA BABAA AABAA BAAAA AABAA AAABB
BAABA AABBB AABAA ABBBA AAAAA AAABA ABAAB AAAAA AABBA AABAA ABAAA BAAAB AAABB AABAA ABABA ABAAA BABAA AABAA BAAAA AABAA AAABB
THE PACKAGE IS DELIVERED
bacon_cipher
bacon_cipher
steganography
{ "type": "none", "value": null }
beginner
en
105
125
cipher_museum
0.2
public
null
null
cda-0012136
DZEH / A-KEH-DI-GLINI / DZEH / GAH / TSAH-AS-ZIH / DIBEH / TSAH-AS-ZIH / DIBEH / THAN-ZIE / DZEH / NA-AS-TSO-SI / TSAH / DZEH / DZEH / BE / DIBEH / WOL-LA-CHEE / TSAH / LIN / A-KHA / TSAH / DZEH / DIBEH / THAN-ZIE / THAN-ZIE...
DZEH / A-KEH-DI-GLINI / DZEH / GAH / TSAH-AS-ZIH / DIBEH / TSAH-AS-ZIH / DIBEH / THAN-ZIE / DZEH / NA-AS-TSO-SI / TSAH / DZEH / DZEH / BE / DIBEH / WOL-LA-CHEE / TSAH / LIN / A-KHA / TSAH / DZEH / DIBEH / THAN-ZIE / THAN-ZIE...
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL
navajo_code
navajo_code
null
{}
hard
en
192
192
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
confederate-vigenere-097
IQKLQVNQQLVKAWGNMMGUTKIRVPHHMURIIYMTMPTUVP
IQKLQVNQQLVKAWGNMMGUTKIRVPHHMURIIYMTMPTUVP
GIVE ME LIBERTY OR GIVE ME DEATH SAID PATRICK HENRY
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
42
42
cipher_museum
0.2
public
null
null
caesar-v2-0193
KP VJG DGIKPPKPI IQF ETGCVGF VJG JGCXGP CPF VJG GCTVJ CPF FCTMPGUU YCU WRQP VJG HCEG QH FGGR
KP VJG DGIKPPKPI IQF ETGCVGF VJG JGCXGP CPF VJG GCTVJ CPF FCTMPGUU YCU WRQP VJG HCEG QH FGGR
IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP
caesar
caesar
substitution
{ "type": "shift", "value": 2 }
beginner
en
75
92
cipher_museum
2.0
public
null
null
purple-v2-0076
QBWEYJCSWUFIZJNHWBNBGPOFXSABUYEUWNINQKISXWBEGZVBUADADEBLHUWSUDRCBQKQIVLFHENGP
QBWEYJCSWUFIZJNHWBNBGPOFXSABUYEUWNINQKISXWBEGZVBUADADEBLHUWSUDRCBQKQIVLFHENGP
ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW
purple
purple
machine
{ "type": "seed", "value": "TOKYO" }
expert
en
77
77
cipher_museum
2.0
public
null
null
cda-0016626
6.50.3 17.28.6 5.9.10 14.27.6 1.1.8 1.43.7 6.50.2 17.30.10 12.34.8 16.17.12 20.38.10 6.33.3 14.42.10 5.37.6 12.49.1 11.50.15 6.26.1 3.26.11 3.14.4 10.49.14 9.29.15 18.19.2 6.48.13 2.11.11 8.35.12 19.37.11 9.21.6 13.27.1 18.38.1 15.37.1 12.41.3 3.18.11 1.6.4 5.2.8 2.31.9 16.8.8 9.25.2 7.7.13 1.20.6 1.19.6 8.44.6 10.38.1...
6.50.3 17.28.6 5.9.10 14.27.6 1.1.8 1.43.7 6.50.2 17.30.10 12.34.8 16.17.12 20.38.10 6.33.3 14.42.10 5.37.6 12.49.1 11.50.15 6.26.1 3.26.11 3.14.4 10.49.14 9.29.15 18.19.2 6.48.13 2.11.11 8.35.12 19.37.11 9.21.6 13.27.1 18.38.1 15.37.1 12.41.3 3.18.11 1.6.4 5.2.8 2.31.9 16.8.8 9.25.2 7.7.13 1.20.6 1.19.6 8.44.6 10.38.1...
THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER
book_cipher
book_cipher
null
{}
medium
en
55
55
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
joseon-yeokhak-v2-0140
DFSGGHVSOHHOQY
DFSGGHVSOHHOQY
PRESS THE ATTACK
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "JOSEON" }
beginner
en
14
14
cipher_museum
2.0
public
null
null
kryha-v2-0266
GERBFRBOCIVREX
GERBFRBOCIVREX
PRESS THE ATTACK
kryha
kryha
machine
{ "type": "keyword", "value": "PRAGUE" }
expert
en
14
14
cipher_museum
2.0
public
null
null
red-type-a-021
FVYFCUWGYIFFEFAWYV
FVYFCUWGYIFFEFAWYV
THE BRIDGE IS SECURED
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "TOKYORED" }
advanced
en
18
18
cipher_museum
0.2
public
null
null
scytale-v2-0543
TREOWYLHNSRCOPDAAALADBAE
TREOWYLHNSRCOPDAAALADBAE
TORPEDO AWAY ALL HANDS BRACE
scytale
scytale
transposition
{ "type": "integer", "value": 12 }
intermediate
en
24
24
cipher_museum
2.0
public
null
null
enigma-v2-0115
QOYORBGLWBNXWDJKHPNUAYBEJOHXWTBXOSNACDBVOSSAKUGRDKVLWXPBJSPLFKCFPHUYQZKUNSCPLJDKHPDKXSDZIXUCGPZHJOAQECEYSMFYIKMPVNPXMAKLHWGYRNCJFYHQJTPNBSJGJSUSHQZOWRJKIYPZBOYPS
QOYORBGLWBNXWDJKHPNUAYBEJOHXWTBXOSNACDBVOSSAKUGRDKVLWXPBJSPLFKCFPHUYQZKUNSCPLJDKHPDKXSDZIXUCGPZHJOAQECEYSMFYIKMPVNPXMAKLHWGYRNCJFYHQJTPNBSJGJSUSHQZOWRJKIYPZBOYPS
YESTERDAY DECEMBER SEVENTH NINETEEN FORTY ONE A DATE WHICH WILL LIVE IN INFAMY THE UNITED STATES OF AMERICA WAS SUDDENLY AND DELIBERATELY ATTACKED BY NAVAL AND AIR FORCES OF THE EMPIRE OF JAPAN
enigma
enigma
machine
{ "type": "rotor_start", "value": "ABC" }
expert
en
161
161
cipher_museum
2.0
public
null
null
cda-0018590
813 851 851 842 853 999 806 842 851 852 812 808 857 825 843 839 999 802 841 811 999 811 814 858 813 807 857 824 842 841 999 800 852 814 999 816 862 841 809 801 837 812 841 858 800 833 999 859 843 999 856 812 806 860 851 814 999 854 873 855 859 812 838 856 999 859 851 800 840 854 845 843 854 825 858 826 843 840 999 807 ...
813 851 851 842 853 999 806 842 851 852 812 808 857 825 843 839 999 802 841 811 999 811 814 858 813 807 857 824 842 841 999 800 852 814 999 816 862 841 809 801 837 812 841 858 800 833 999 859 843 999 856 812 806 860 851 814 999 854 873 855 859 812 838 856 999 859 851 800 840 854 845 843 854 825 858 826 843 840 999 807 ...
ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY TOMORROW
culper_ring
culper_ring
null
{}
hard
en
211
211
synthetic_educational
null
null
[ "codebook_frequency", "number_range_analysis" ]
Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
autokey-v3-0509
FYZHTFXDIZSEUNALKXHSYLLDYSWMVIYYXCIWEYEFLNTRPNDINTVHGHYAEXKEJNHPRHRXXUHMWVHFLWVAMUDPXHXWIYZXHVSIPIBUWRREIMAUOLPZMTHUDXYIZHFGGNTAEESNXXSMXILZFPZYCLVEXYXNUEVNPXDZYSJXBBJZS
FYZHTFXDIZSEUNALKXHSYLLDYSWMVIYYXCIWEYEFLNTRPNDINTVHGHYAEXKEJNHPRHRXXUHMWVHFLWVAMUDPXHXWIYZXHVSIPIBUWRREIMAUOLPZMTHUDXYIZHFGGNTAEESNXXSMXILZFPZYCLVEXYXNUEVNPXDZYSJXBBJZS
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
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "JUSTICE" }
intermediate
en
169
169
cipher_museum
2.0
public
null
null
alberti-disk-v3-0721
VOKZXEKXGVMDLZUWWMXEGMPENSYFRSCOVRVGKYJDCUHRCKENEIXMULFYSSOUTJVGFDONWKFYIZSEKKBIEBMCLUMHEKXQTMMDPGALPLESYQVOPVPTDVPFSAZPZBLEWWPENSYAZICXIZMLRDNFUZCEHKEVSDVDYKL
VOKZXEKXGVMDLZUWWMXEGMPENSYFRSCOVRVGKYJDCUHRCKENEIXMULFYSSOUTJVGFDONWKFYIZSEKKBIEBMCLUMHEKXQTMMDPGALPLESYQVOPVPTDVPFSAZPZBLEWWPENSYAZICXIZMLRDNFUZCEHKEVSDVDYKL
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
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 16 }
expert
en
159
159
cipher_museum
2.0
public
null
null
adfgvx-v2-0193
AFFVDGDGGDFDDGFFGVDGAFGADFVAADVAGFGFFGXAFDAVADFXAGADDXDADFGFFGAGAADVDFAXAGDGAVAGDAFDDGFGFXDDAAAVAVFDAXGXDXAXAVDGDGFVFAADDVGGAVFGDAXAXAXFGFGAXDVGDFADVG
AFFVDGDGGDFDDGFFGVDGAFGADFVAADVAGFGFFGXAFDAVADFXAGADDXDADFGFFGAGAADVDFAXAGDGAVAGDAFDDGFGFXDDAAAVAVFDAXGXDXAXAVDGDGFVFAADDVGGAVFGDAXAXAXFGFGAXDVGDFADVG
IN THE BEGINNING GOD CREATED THE HEAVEN AND THE EARTH AND DARKNESS WAS UPON THE FACE OF DEEP
adfgvx
adfgvx
fractionation
{ "polybius": "LIBERTY", "columnar": "FREEDOM" }
advanced
en
150
150
cipher_museum
2.0
public
null
null
wheatstone-004
MTIATZUJRPWQGBAIBONQ
MTIATZUJRPWQGBAIBONQ
RENDEZVOUS AT MIDNIGHT
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "WHEATSTONE" }
advanced
en
20
20
cipher_museum
0.2
public
null
null
monoalphabetic-v3-0763
TDA HMMIA BHIIS
TDA HMMIA BHIIS
THE APPLE FALLS
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "HONOR" }
beginner
en
13
15
cipher_museum
2.0
public
null
null