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52
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stringlengths
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2.11k
ciphertext
stringlengths
6
2.11k
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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
geheimschreiber-v2-0084
QUFXMKHEKZQXYLPSIPACIAQIZANMEZCCUXEDKFEPKHWMBGPSBNFMYLWLTLDRWYMVEUDNQDDBFNBCMFIFQWP
QUFXMKHEKZQXYLPSIPACIAQIZANMEZCCUXEDKFEPKHWMBGPSBNFMYLWLTLDRWYMVEUDNQDDBFNBCMFIFQWP
KNOWLEDGE WITHOUT WISDOM IS A DANGEROUS THING AND WISDOM WITHOUT COURAGE IS ULTIMATELY WORTHLESS
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "BERLIN" }
expert
en
83
83
cipher_museum
2.0
public
null
null
cardano-autokey-v3-0084
ZBDTVJGBFZHLWMFLLPOWHONFOAVWTFRCCPXBTLNTZUQYHYPWKGBCGVWWRGFQRGHTFGXRNQMDLP
ZBDTVJGBFZHLWMFLLPOWHONFOAVWTFRCCPXBTLNTZUQYHYPWKGBCGVWWRGFQRGHTFGXRNQMDLP
NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "MILAN" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
cda-0008727
TIGNE XOZSR OIMZW CQKAH HAEKB RRFRH EYKKB ASRDN AHYEU BJCAO RDXUC PSIKS KJXNX NGHYW QIUOP BPMSC WWMYI HVJVD AOSLH FFZ
TIGNE XOZSR OIMZW CQKAH HAEKB RRFRH EYKKB ASRDN AHYEU BJCAO RDXUC PSIKS KJXNX NGHYW QIUOP BPMSC WWMYI HVJVD AOSLH FFZ
THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG
trithemius
trithemius
null
{}
hard
en
98
98
synthetic_educational
null
null
[]
chaocipher-025
PNZNZBKJXKPNDBK
PNZNZBKJXKPNDBK
SILENCE IS GOLDEN
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "CHAOCIPHER" }
advanced
en
15
15
cipher_museum
0.2
public
null
null
bazeries-v2-0877
PYSSLTHQHQKTIRBFSVJWTBLTVHTYITTAPTHBBYYTBVXVHPYIMTAMEQPMBOHBNTYSLTIOFLTRTGHXPHSQIVTLFFSQNTHIJNIPBFTLTETPSSHIUTHHIVBPMPQPHIBLIYTAPBHQNTPSPMMTPSYILTGSVB
PYSSLTHQHQKTIRBFSVJWTBLTVHTYITTAPTHBBYYTBVXVHPYIMTAMEQPMBOHBNTYSLTIOFLTRTGHXPHSQIVTLFFSQNTHIJNIPBFTLTETPSSHIUTHHIVBPMPQPHIBLIYTAPBHQNTPSPMMTPSYILTGSVB
AFTER AN UNEQUIVOCAL EXPERIENCE OF THE INEFFICIENCY OF THE SUBSISTING FEDERAL GOVERNMENT YOU ARE CALLED UPON TO DELIBERATE ON A NEW CONSTITUTION FOR THE UNITED STATES OF AMERICA
bazeries
bazeries
transposition
{ "type": "integer", "value": 71 }
advanced
en
150
150
cipher_museum
2.0
public
null
null
wheatstone-v3-0303
SDABPJYWEHHIPLQQSDATAHBWBPAPEVAPSLKECDSBSAHAVAKLIHLIGSDAJAKWEHHIBPPYLKHYSDAEPWABMLKQBKTSDPAATBYQLNPBSELKQJBPIDPLUSAQBKTLRFAISEVAQWEHHRATEQSPERUSATSLILJJBKTAPQBSSDAIPLQQEKC
SDABPJYWEHHIPLQQSDATAHBWBPAPEVAPSLKECDSBSAHAVAKLIHLIGSDAJAKWEHHIBPPYLKHYSDAEPWABMLKQBKTSDPAATBYQLNPBSELKQJBPIDPLUSAQBKTLRFAISEVAQWEHHRATEQSPERUSATSLILJJBKTAPQBSSDAIPLQQEKC
THE ARMY WILL CROSS THE DELAWARE RIVER TONIGHT AT ELEVEN OCLOCK THE MEN WILL CARRY ONLY THEIR WEAPONS AND THREE DAYS OF RATIONS MARCH ROUTES AND OBJECTIVES WILL BE DISTRIBUTED TO COMMANDERS AT THE CROSSING
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "BRITAIN" }
advanced
en
171
171
cipher_museum
2.0
public
null
null
cda-0020323
ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABABB AABAA AAAAA BAAAB BAABB BAAAA AABAA BAAAB ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAABB ABAAA BAAAB BAABA BAAAA ABAAA AAAAB BAABB BAABA ABAAA ABBAB ABBAA
ABAAA ABBAA AAABB AABAA BABAB ABBAB AABAB AAABA ABBAB ABAAA ABBAA AAABA ABAAA AAABB AABAA ABBAA AAABA AABAA ABABB AABAA AAAAA BAAAB BAABB BAAAA AABAA BAAAB ABABA AABAA BAABA BAABA AABAA BAAAA AABAB BAAAA AABAA ABBBB BAABB AABAA ABBAA AAABA BABBA AAABB ABAAA BAAAB BAABA BAAAA ABAAA AAAAB BAABB BAABA ABAAA ABBAB ABBAA
INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION
bacon_cipher
bacon_cipher
null
{}
hard
en
265
265
synthetic_educational
null
null
[ "five_bit_decode", "ab_frequency_analysis" ]
Bacon's biliteral cipher: each letter encoded as 5-bit A/B string.
geez-monastic-206
UGPBSPCHSPVOYGB
UGPBSPCHSPVOYGB
FORWARD MARCH NOW
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "MUSEUM" }
advanced
en
15
15
cipher_museum
0.2
public
null
null
bazeries-v2-0231
MYAPGBRYUPIYAFFBBNFJJKOPBPBOIQIJMFBPHIBYYEMJPIYGMMTOHYSBPGJMTYYAMYPOGJEINITGPOJKYMYA
MYAPGBRYUPIYAFFBBNFJJKOPBPBOIQIJMFBPHIBYYEMJPIYGMMTOHYSBPGJMTYYAMYPOGJEINITGPOJKYMYA
THE REGIMENT WILL HOLD ITS POSITION UNTIL REINFORCEMENTS ARRIVE FROM THE EASTERN COMMAND POST HERE
bazeries
bazeries
transposition
{ "type": "integer", "value": 23 }
advanced
en
84
84
cipher_museum
2.0
public
null
null
adfgx-v3-0445
GADAAXXAFDAFXXAADXGXXAFDDXXGGDGGXAFDFGXFDXAAXXGFDGADGDDFXFGDFDXADAGAAGADDDAFDDDDADGAAXDAFXGXGAAGFXAGFGDADGFFADGXXDGAXDXFXGDDXDXFXGFGXAAADAXFXDFAFG
GADAAXXAFDAFXXAADXGXXAFDDXXGGDGGXAFDFGXFDXAAXXGFDGADGDDFXFGDFDXADAGAAGADDDAFDDDDADGAAXDAFXGXGAAGFXAGFGDADGFFADGXXDGAXDXFXGDDXDXFXGFGXAAADAXFXDFAFG
WATSON WE HAVE FOUND THE STRUCTURE OF DNA AND IT IS A DOUBLE HELIX OF BREATHTAKING BEAUTY
adfgx
adfgx
fractionation
{ "polybius": "WISDOM", "columnar": "COURAGE" }
advanced
en
146
146
cipher_museum
2.0
public
null
null
cda-0015275
⟨a11⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w10⟩ ⟨a23⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a...
⟨a11⟩ ⟨w20⟩ ⟨w08⟩ ⟨w28⟩ ⟨a23⟩ ⟨w10⟩ ⟨a19⟩ ⟨a25⟩ ⟨w32⟩ ⟨w22⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a19⟩ ⟨w10⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w10⟩ ⟨a23⟩ ⟨a31⟩ ⟨w32⟩ ⟨w26⟩ ⟨w20⟩ ⟨a07⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a07⟩ ⟨a17⟩ ⟨a17⟩ ⟨w20⟩ ⟨w14⟩ ⟨a19⟩ ⟨w40⟩ ⟨a13⟩ ⟨a25⟩ ⟨w22⟩ ⟨w32⟩ ⟨a25⟩ ⟨w22⟩ ⟨w20⟩ ⟨a01⟩ ⟨a23⟩ ⟨a25⟩ ⟨a29⟩ ⟨w20⟩ ⟨a...
BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS
babington
babington
null
{}
hard
en
203
203
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
zimmermann-v3-0084
00053 99999 90015 90004 90017 90018 90014 90013 99998 99999 90018 90007 90000 90011 90011 99998 00012 99999 90007 90004 90011 90003 99998 00003 99999 90000 90013 90018 90022 90004 90017 99998 00008 00005 99999 90002 90000 90015 90008 90019 90000 90011 99998 99999 90002 90017 90008 90012 90004 99998 99999 90020 90013 90...
00053 99999 90015 90004 90017 90018 90014 90013 99998 99999 90018 90007 90000 90011 90011 99998 00012 99999 90007 90004 90011 90003 99998 00003 99999 90000 90013 90018 90022 90004 90017 99998 00008 00005 99999 90002 90000 90015 90008 90019 90000 90011 99998 99999 90002 90017 90008 90012 90004 99998 99999 90020 90013 90...
NO PERSON SHALL BE HELD TO ANSWER FOR A CAPITAL CRIME UNLESS ON PRESENTMENT OF A GRAND JURY
zimmermann
zimmermann
codebook
{ "type": "none", "value": null }
expert
en
435
521
cipher_museum
2.0
public
null
null
trifid-v2-0259
PDTPAELIFGOEET
PDTPAELIFGOEET
SIGNAL FIRES LIT
trifid
trifid
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
cda-0016429
.. ... .. .... ... . ... . . ... .. .... ... ..... .. ... . ..... .... .. .... ..... .... ... . ..... .... ... ... . .. .... ... ... . ..... . . .... .. . . ... . .. .. . ..... . .. .... .. . . .... .... ... .... . ..... ... ... . ... .... .. ..... .... ... ..... .... .... . .. ... ...
.. ... .. .... ... . ... . . ... .. .... ... ..... .. ... . ..... .... .. .... ..... .... ... . ..... .... ... ... . .. .... ... ... . ..... . . .... .. . . ... . .. .. . ..... . .. .... .. . . .... .... ... .... . ..... ... ... . ... .... .. ..... .... ... ..... .... .... . .. ... ...
HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS
tap_code
tap_code
null
{}
medium
en
51
51
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.
bazeries-v2-0452
IIJRYMQMYQBJHYIYYAQBPJKXTIFIJBQMJKYMYODRFOBIYMJNGFNQAEFAQBVGQPGGSNAQEIYMQISJR
IIJRYMQMYQBJHYIYYAQBPJKXTIFIJBQMJKYMYODRFOBIYMJNGFNQAEFAQBVGQPGGSNAQEIYMQISJR
RECONNOITER THE ENEMY POSITION AND REPORT BACK BEFORE NIGHTFALL WITH A FULL STRENGTH COUNT
bazeries
bazeries
transposition
{ "type": "integer", "value": 41 }
advanced
en
77
77
cipher_museum
2.0
public
null
null
enigma-v2-0565
TECZOIBHPCUPEBGIRDJDWJTRSQYUKYTARINUZQYSXPBQECFOMEAPSNESSYSKKIRSAJIDDEFA
TECZOIBHPCUPEBGIRDJDWJTRSQYUKYTARINUZQYSXPBQECFOMEAPSNESSYSKKIRSAJIDDEFA
ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS
enigma
enigma
machine
{ "type": "rotor_start", "value": "MNO" }
expert
en
72
72
cipher_museum
2.0
public
null
null
jn25-v2-0091
26199 26187 26184 26198 26184 26182 26197 26184 26199 26191 26188 26184 26198 26181 26100 26197 26188 26184 26183 26181 26184 26193 26184 26180 26199 26187 26199 26187 26184 26199 26187 26188 26197 26183 26185 26191 26180 26186 26198 26199 26194 26193 26184 26194 26185 26199 26187 26184 26194 26191 26183 26182 26187 26...
26199 26187 26184 26198 26184 26182 26197 26184 26199 26191 26188 26184 26198 26181 26100 26197 26188 26184 26183 26181 26184 26193 26184 26180 26199 26187 26199 26187 26184 26199 26187 26188 26197 26183 26185 26191 26180 26186 26198 26199 26194 26193 26184 26194 26185 26199 26187 26184 26194 26191 26183 26182 26187 26...
THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW
jn25
jn25
codebook
{ "type": "additive", "value": "16180" }
expert
en
400
479
cipher_museum
2.0
public
null
null
cda-0020230
9.22.11 6.30.8 3.17.11 16.33.11 10.45.6 8.45.1 6.4.6 15.28.12 20.20.12 11.8.12 4.4.6 1.29.5 18.27.10 19.1.5 4.24.10 11.38.4 13.28.12 4.3.13 3.8.4 16.22.9 2.28.1 16.11.10 4.49.10 11.5.1 17.3.2 5.19.8 11.9.7 20.3.6 4.38.7 13.45.6 3.15.13 14.19.3 4.1.8 5.39.10 14.17.12 14.40.6 5.38.14 20.25.1 20.10.15 11.25.4 14.32.7 19.3...
9.22.11 6.30.8 3.17.11 16.33.11 10.45.6 8.45.1 6.4.6 15.28.12 20.20.12 11.8.12 4.4.6 1.29.5 18.27.10 19.1.5 4.24.10 11.38.4 13.28.12 4.3.13 3.8.4 16.22.9 2.28.1 16.11.10 4.49.10 11.5.1 17.3.2 5.19.8 11.9.7 20.3.6 4.38.7 13.45.6 3.15.13 14.19.3 4.1.8 5.39.10 14.17.12 14.40.6 5.38.14 20.25.1 20.10.15 11.25.4 14.32.7 19.3...
OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE HONESTLY
book_cipher
book_cipher
null
{}
medium
en
47
47
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
alberti-disk-v2-0695
LIHZJYSAZVOMCOVFNVDGNAPAUBGTRBYOYHSTZFYIXBUBJDUYETCPXJNKQFBTYIDLPGXMIXMTKQ
LIHZJYSAZVOMCOVFNVDGNAPAUBGTRBYOYHSTZFYIXBUBJDUYETCPXJNKQFBTYIDLPGXMIXMTKQ
I CAN DO ALL THINGS THROUGH CHRIST WHICH STRENGTHENETH ME IN EVERY TRIAL AND TRIBULATION
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 14 }
expert
en
74
74
cipher_museum
2.0
public
null
null
m209-v2-0431
YQZODZQOBAMMZOROLZCQQGTRXJPGDMAYAILHOCIMZDDHDSKFWELAQPYWLTAAKWAZJRTKYXYJTQX
YQZODZQOBAMMZOROLZCQQGTRXJPGDMAYAILHOCIMZDDHDSKFWELAQPYWLTAAKWAZJRTKYXYJTQX
ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING
m209
m209
machine
{ "type": "seed", "value": "VICTORY" }
expert
en
75
75
cipher_museum
2.0
public
null
null
solitaire-v3-0231
AHLEXFYPNQSQY
AHLEXFYPNQSQY
FULL SAIL AHEAD
solitaire
solitaire
stream
{ "type": "passphrase", "value": "PONTIFEX" }
expert
en
13
13
cipher_museum
2.0
public
null
null
m94-061
VSFQSCJQREMB
VSFQSCJQREMB
ATTACK AT DAWN
m94
m94
machine
{ "type": "seed", "value": "CIPHER" }
expert
en
12
12
cipher_museum
0.2
public
null
null
joseon-yeokhak-v2-0057
EQBPUITQKMBWEIZLVWVMEQBPKPIZQBGNWZITTTMBCAJQVLCXBPMVIBQWVAEWCVLAIVLPMIT
EQBPUITQKMBWEIZLVWVMEQBPKPIZQBGNWZITTTMBCAJQVLCXBPMVIBQWVAEWCVLAIVLPMIT
WITH MALICE TOWARD NONE WITH CHARITY FOR ALL LET US BIND UP THE NATIONS WOUNDS AND HEAL
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "SEOUL" }
beginner
en
71
71
cipher_museum
2.0
public
null
null
cda-0006611
QVUE OCUO ANGE VTEO CVSE SDHS AQNR FSKC BFRF VZCY RQVC VREF QVTS VSOA RURY YZOA VAGE BNHQ RRCH PYVQ XRLQ ELCG BUEO CULW AANA RGRN AFRI RAGL FWKB CRAF BHEQ RGBB YFOY YBJV ARRC SAQS AGIR EWSV QOGW BAEB HGRQ NCUS EFER OROT EVQW AOCE RFPE NPRR TNBZ RGEV QCOG GNEA
QVUE OCUO ANGE VTEO CVSE SDHS AQNR FSKC BFRF VZCY RQVC VREF QVTS VSOA RURY YZOA VAGE BNHQ RRCH PYVQ XRLQ ELCG BUEO CULW AANA RGRN AFRI RAGL FWKB CRAF BHEQ RGBB YFOY YBJV ARRC SAQS AGIR EWSV QOGW BAEB HGRQ NCUS EFER OROT EVQW AOCE RFPE NPRR TNBZ RGEV QCOG GNEA
DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN
porta
porta
null
{ "key": "CIPHER" }
hard
en
208
208
synthetic_educational
null
null
[ "kasiski_examination", "index_of_coincidence" ]
Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).
jefferson-disk-067
BWISUEUISVKXTBZL
BWISUEUISVKXTBZL
CIPHER KEY CHANGED
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "2,4,1,6,3,5" }
expert
en
16
16
cipher_museum
0.2
public
null
null
one-time-pad-v2-0168
JDIWXYLWTIHWOTXKRCEGBDZHVZDERXHDQQGSOEDSJRWYHKBFBFBRJDIYHJSWBTIKXSJLACEZKFDOT
JDIWXYLWTIHWOTXKRCEGBDZHVZDERXHDQQGSOEDSJRWYHKBFBFBRJDIYHJSWBTIKXSJLACEZKFDOT
THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
77
77
cipher_museum
2.0
public
null
null
caesar-v3-0602
LXWPANBB BQJUU VJTN WX UJF ANBYNLCRWP JW NBCJKURBQVNWC XO ANURPRXW XA YAXQRKRCRWP CQN OANN NGNALRBN
LXWPANBB BQJUU VJTN WX UJF ANBYNLCRWP JW NBCJKURBQVNWC XO ANURPRXW XA YAXQRKRCRWP CQN OANN NGNALRBN
CONGRESS SHALL MAKE NO LAW RESPECTING AN ESTABLISHMENT OF RELIGION OR PROHIBITING THE FREE EXERCISE
caesar
caesar
substitution
{ "type": "shift", "value": 9 }
beginner
en
85
99
cipher_museum
2.0
public
null
null
fialka-v3-0345
CBJTQHMHQSMM
CBJTQHMHQSMM
YANKEE DOODLE
fialka
fialka
machine
{ "type": "seed", "value": "SPUTNIK" }
expert
en
12
12
cipher_museum
2.0
public
null
null
geheimschreiber-014
SGOXXIZVWKLGBDWU
SGOXXIZVWKLGBDWU
ALL IS LOST RETREAT
geheimschreiber
geheimschreiber
machine
{ "type": "seed", "value": "STURGEON" }
expert
en
16
16
cipher_museum
0.2
public
null
null
chaocipher-v2-0188
PXKZLHJCBTDWZOPSJJOVPKQJEPPKFLMLOLYOOUFNNCWGKSLNXSFHTDSCEWOOKFIPYHIENGHGQUNWJ
PXKZLHJCBTDWZOPSJJOVPKQJEPPKFLMLOLYOOUFNNCWGKSLNXSFHTDSCEWOOKFIPYHIENGHGQUNWJ
THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
77
77
cipher_museum
2.0
public
null
null
typex-v2-0346
UVVXGPDTXXNCAAKBWMGSNFFLPICLBBUSVYGGKKEUFCSERAWTHVVRPUZGUISIBELGRICSGAGFXEIPDZBJDCYV
UVVXGPDTXXNCAAKBWMGSNFFLPICLBBUSVYGGKKEUFCSERAWTHVVRPUZGUISIBELGRICSGAGFXEIPDZBJDCYV
CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS
typex
typex
machine
{ "type": "keyword", "value": "EMPIRE" }
expert
en
84
84
cipher_museum
2.0
public
null
null
geez-monastic-101
PTNCKXEFPXBKYIWKYCXIBWPCQKDKIBKYRYXEFPXBKYWPCQK
PTNCKXEFPXBKYIWKYCXIBWPCQKDKIBKYRYXEFPXBKYWPCQK
ASK NOT WHAT YOUR COUNTRY CAN DO FOR YOU BUT WHAT YOU CAN DO
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "CIPHER" }
advanced
en
47
47
cipher_museum
0.2
public
null
null
adfgx-v2-0412
FFGAAXAGAAAFGFADGFADFGXAXGXAXAXAGAXXGXAAFFGAXXDDGXGAXXAAXAFFGFAXDXAFGAFGDADAAXAAXFXGDAAXGDGFGXAFDGAGAFADXFADAXXGGXGDDXAXAFXGAAFDGDADDXDDGAXGADGG
FFGAAXAGAAAFGFADGFADFGXAXGXAXAXAGAXXGXAAFFGAXXDDGXGAXXAAXAFFGFAXDXAFGAFGDADAAXAAXFXGDAAXGDGFGXAFDGAGAFADXFADAXXGGXGDDXAXAFXGAAFDGDADDXDDGAXGADGG
ASK WHAT YOU CAN DO FOR YOUR COUNTRY NOT WHAT YOUR COUNTRY CAN DO FOR YOU TODAY AND ALWAYS
adfgx
adfgx
fractionation
{ "polybius": "DRAGON", "columnar": "THUNDER" }
advanced
en
144
144
cipher_museum
2.0
public
null
null
two-square-154
RQWRSUFUBOLVHBSMEPRACTKBSPFSCBURLGGCUIMUOHCAEMQGTSSRHTAXRPSAELSB
RQWRSUFUBOLVHBSMEPRACTKBSPFSCBURLGGCUIMUOHCAEMQGTSSRHTAXRPSAELSB
CRYPTOGRAPHY IS THE PRACTICE OF SECURING COMMUNICATIONS FROM ADVERSARIES
two_square
two_square
polygraphic
{ "key1": "SECRET", "key2": "AGENTS" }
advanced
en
64
64
cipher_museum
0.2
public
null
null
wallis-cipher-092
90 46 19 29 30 87 91 90 89 66 31 19 53 87 72 12 24 91 90 75 69 33 53 91 90 30 46 19 55 50 91 90 78 70 30 66 91 90 45 19 91 90 68 76 91 90 71 11 84 89 46 42 91 90 27 91 90 55 68 58 31 11 61 30 91
90 46 19 29 30 87 91 90 89 66 31 19 53 87 72 12 24 91 90 75 69 33 53 91 90 30 46 19 55 50 91 90 78 70 30 66 91 90 45 19 91 90 68 76 91 90 71 11 84 89 46 42 91 90 27 91 90 55 68 58 31 11 61 30 91
NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "CIPHER" }
expert
en
130
194
cipher_museum
0.2
public
null
null
one-time-pad-v3-0155
DAAKHLMIKIHWDUVSNPLKICIEVZJQMKXBNPSHAEHKUYLOEGXVCPYPIPLVIJUVSISAQYNLRBAZQJN
DAAKHLMIKIHWDUVSNPLKICIEVZJQMKXBNPSHAEHKUYLOEGXVCPYPIPLVIJUVSISAQYNLRBAZQJN
NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "QWERTY (repeating)" }
expert
en
75
75
cipher_museum
2.0
public
null
null
bazeries-v3-0356
BFMYAQMFXFVGPYUBM
BFMYAQMFXFVGPYUBM
THE RAILWAY ARRIVES
bazeries
bazeries
transposition
{ "type": "integer", "value": 41 }
advanced
en
17
17
cipher_museum
2.0
public
null
null
cda-0017883
67 33 27 32 46 72 58 25 66 43 91 88 48 34 22 21 59 63 58 45 21 82 30 45 61 79 93 57 48 99 48 3 23 1 15 52 64 48 35 3 41 63 60 50 59 60 43 33 30 61 11 14 67 50 68 59 60 32 91 66 26 81 87 66 63 94 33 34 50 40 27 63 33 82 21 17 39 23 91 68 22 3 91 45 2 62 93 61 46 48 34 33 70 25 39 23 68 60 22 58 64 93 24 34 27 63 94 2 70...
67 33 27 32 46 72 58 25 66 43 91 88 48 34 22 21 59 63 58 45 21 82 30 45 61 79 93 57 48 99 48 3 23 1 15 52 64 48 35 3 41 63 60 50 59 60 43 33 30 61 11 14 67 50 68 59 60 32 91 66 26 81 87 66 63 94 33 34 50 40 27 63 33 82 21 17 39 23 91 68 22 3 91 45 2 62 93 61 46 48 34 33 70 25 39 23 68 60 22 58 64 93 24 34 27 63 94 2 70...
BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS
homophonic
homophonic
null
{}
hard
en
148
148
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
wheatstone-v3-0118
IMWARTEADRLWORFDCA
IMWARTEADRLWORFDCA
LOWER THE DRAWBRIDGE
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "LONDON" }
advanced
en
18
18
cipher_museum
2.0
public
null
null
joseon-yeokhak-006
BDAOQQPMEBXMZZQP
BDAOQQPMEBXMZZQP
PROCEED AS PLANNED
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "YEOKHAK" }
beginner
en
16
16
cipher_museum
0.2
public
null
null
double-transposition-v3-0445
OSRRDAGEEMNTACHECOIT
OSRRDAGEEMNTACHECOIT
THE REDCOATS ARE COMING
double_transposition
double_transposition
transposition
{ "key1": "WISDOM", "key2": "COURAGE" }
advanced
en
20
20
cipher_museum
2.0
public
null
null
columnar-transposition-v2-1206
SRAEBGOTKMLTTEINOFAERABEONTTTTSNVOBTINEHLOAODIEMLDUONAELTITRSAHAHPDEU
SRAEBGOTKMLTTEINOFAERABEONTTTTSNVOBTINEHLOAODIEMLDUONAELTITRSAHAHPDEU
IT IS BETTER TO REMAIN SILENT AND BE THOUGHT A FOOL THAN TO SPEAK AND REMOVE ALL DOUBT
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
69
69
cipher_museum
2.0
public
null
null
cda-0002094
FTLSTESGKACHTEIRIMNAEIREYEPVTGAEDTTIIHPWOEEGSHEMADFTERARDTUNIRKNEEOCESIXXNERSMYS
FTLSTESGKACHTEIRIMNAEIREYEPVTGAEDTTIIHPWOEEGSHEMADFTERARDTUNIRKNEEOCESIXXNERSMYS
FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE VIGENERE CIPHER USES A REPEATING KEYWORD
stager_route
stager_route
null
{ "cols": 10 }
hard
en
80
80
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
hill-v3-0350
MAKMGRWTGMAIGKRVRXEN
MAKMGRWTGMAIGKRVRXEN
MEASURE TWICE CUT ONCE
hill
hill
polygraphic
{ "a": 9, "b": 2, "c": 7, "d": 5 }
advanced
en
20
20
cipher_museum
2.0
public
null
null
autokey-073
GVTTCWSEGQQSSRT
GVTTCWSEGQQSSRT
ENEMY FORCES NEAR
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
15
15
cipher_museum
0.2
public
null
null
joseon-yeokhak-v3-0118
ZCKSFHVSRFOKPFWRUS
ZCKSFHVSRFOKPFWRUS
LOWER THE DRAWBRIDGE
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "JOSEON" }
beginner
en
18
18
cipher_museum
2.0
public
null
null
sigaba-225
ZFNKRYSWJEQNNTIJULYHJUESYHQBTVGMLRSFUKNMMFBXPU
ZFNKRYSWJEQNNTIJULYHJUESYHQBTVGMLRSFUKNMMFBXPU
I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW
sigaba
sigaba
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
46
46
cipher_museum
0.2
public
null
null
porta-v3-0091
GRKJZEIJSWSPXCKJMOMNSQMAIAYKPIALMJAIIIYPLFDYYVVNDVMZMLAEYDTWRVGYEQXXGJHUXQNWXKMRSX
GRKJZEIJSWSPXCKJMOMNSQMAIAYKPIALMJAIIIYPLFDYYVVNDVMZMLAEYDTWRVGYEQXXGJHUXQNWXKMRSX
ZERO KNOWLEDGE PROOFS ALLOW ONE PARTY TO PROVE KNOWLEDGE WITHOUT REVEALING THE KNOWLEDGE ITSELF
porta
porta
polyalphabetic
{ "type": "keyword", "value": "NAPLES" }
intermediate
en
82
82
cipher_museum
2.0
public
null
null
alberti-disk-v2-0172
ZGXMHMHQWKWQGZSEBXIRGRDHTULLGYACRHUTZGBWLQDBIBKGXUBKFCLYCQUUIMMT
ZGXMHMHQWKWQGZSEBXIRGRDHTULLGYACRHUTZGBWLQDBIBKGXUBKFCLYCQUUIMMT
WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 5 }
expert
en
64
64
cipher_museum
2.0
public
null
null
cda-0018099
THAN-ZIE / LIN / DZEH / WOL-LA-CHEE / GAH / MOASI / LIN / TKIN / THAN-ZIE / DZEH / MOASI / THAN-ZIE / NO-DA-IH / GAH / DZEH / DIBEH / LIN / A-KHA / NO-DA-IH / DIBEH-YAZZIE / BE / NA-AS-TSO-SI / WOL-LA-CHEE / KLIZZIE / DZEH ...
THAN-ZIE / LIN / DZEH / WOL-LA-CHEE / GAH / MOASI / LIN / TKIN / THAN-ZIE / DZEH / MOASI / THAN-ZIE / NO-DA-IH / GAH / DZEH / DIBEH / LIN / A-KHA / NO-DA-IH / DIBEH-YAZZIE / BE / NA-AS-TSO-SI / WOL-LA-CHEE / KLIZZIE / DZEH ...
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY
navajo_code
navajo_code
null
{}
hard
en
202
202
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
culper-ring-015
998 814 815 804 817 800 819 808 814 813 999 998 801 804 806 808 813 818 999
998 814 815 804 817 800 819 808 814 813 999 998 801 804 806 808 813 818 999
OPERATION BEGINS
culper_ring
culper_ring
codebook
{ "type": "none", "value": null }
expert
en
57
75
cipher_museum
0.2
public
null
null
rail-fence-v3-0329
TTHLYEAKEIFNSGDDNEAM
TTHLYEAKEIFNSGDDNEAM
THE KING DEMANDS FEALTY
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 10 }
intermediate
en
20
20
cipher_museum
2.0
public
null
null
adfgx-060
XXADDDGDDXGFFAXXXGGAAAGDAAGAGAFGXGFXGGDF
XXADDDGDDXGFFAXXXGGAAAGDAAGAGAFGXGFXGGDF
RENDEZVOUS AT MIDNIGHT
adfgx
adfgx
fractionation
{ "polybius": "CIPHER", "columnar": "MUSEUM" }
advanced
en
40
40
cipher_museum
0.2
public
null
null
venona-pad-reuse-v3-0280
WWAPN3ILUIKOKUNDXDH7CLCKBDFHBEMPC27NCMWQJIO7RANLKL7HXEO7J7RAR5LBHKVIN
WWAPN3ILUIKOKUNDXDH7CLCKBDFHBEMPC27NCMWQJIO7RANLKL7HXEO7J7RAR5LBHKVIN
THE LOVE OF MONEY IS THE ROOT OF ALL EVIL BUT IT IS THE LOVE OF GOOD THAT MOVES THE WORLD
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "FREEDOM" }
expert
en
69
69
cipher_museum
2.0
public
null
null
kryptos-v3-0249
KPFBSXYCJBACEMPBAVDEW
KPFBSXYCJBACEMPBAVDEW
THE TELEGRAPH TRANSMITS
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "VIRTUAL" }
advanced
en
21
21
cipher_museum
2.0
public
null
null
tap-code-015
. ... .... .. ..... .... ... ..... .... .... ... .... .. .. .... .. . . ... ..... .. ... ..... .... .... .. .... ..... ... . . ..... .... ...
. ... .... .. ..... .... ... ..... .... .... ... .... .. .. .... .. . . ... ..... .. ... ..... .... .... .. .... ..... ... . . ..... .... ...
CRYPTOGRAPHY RULES
tap_code
tap_code
substitution
{ "type": "none", "value": null }
beginner
en
108
173
cipher_museum
0.2
public
null
null
bifid-085
MPDXBLDHGIOFBGDX
MPDXBLDHGIOFBGDX
LOCK DOWN ALL GATES
bifid
bifid
fractionation
{ "type": "keyword", "value": "CIPHER" }
advanced
en
16
16
cipher_museum
0.2
public
null
null
diana-v2-0344
HAXLSKNWJORKAQDICLRAZYLEFMPYPZXVJKLEBRYLEQMVKYEMBBYXNETNNVWFCKEYSUUGEYMZRBJWXZ
HAXLSKNWJORKAQDICLRAZYLEFMPYPZXVJKLEBRYLEQMVKYEMBBYXNETNNVWFCKEYSUUGEYMZRBJWXZ
YOUR MISSION IF YOU CHOOSE TO ACCEPT IT IS TO EXTRACT THE AGENT FROM BEHIND ENEMY LINES TONIGHT
diana
diana
polyalphabetic
{ "type": "keyword", "value": "FORCES" }
intermediate
en
78
78
cipher_museum
2.0
public
null
null
double-transposition-v2-0463
HISEENTTARLTICGHSIUTCSYANRAPEMIFTNLEXOOOANAHEXRTCETEENPYREEFNQTAESRPRSFLAIATTFETL
HISEENTTARLTICGHSIUTCSYANRAPEMIFTNLEXOOOANAHEXRTCETEENPYREEFNQTAESRPRSFLAIATTFETL
FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT
double_transposition
double_transposition
transposition
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
81
81
cipher_museum
2.0
public
null
null
cda-0021193
OTED YOKE EDYO TAIN OKSH YDAI NYSH EEDY DARA LOTE DYYT AIIN CHED YOKE DYRA IINY TEDY AIII NOKE DYOX EDDA LQOK EEDY QOKA LRCH EOLO KEED YQOK ALYT EDYO TEDY DARA LQOK EEDY QOKE EDYO TOLQ OKEE DY
OTED YOKE EDYO TAIN OKSH YDAI NYSH EEDY DARA LOTE DYYT AIIN CHED YOKE DYRA IINY TEDY AIII NOKE DYOX EDDA LQOK EEDY QOKA LRCH EOLO KEED YQOK ALYT EDYO TEDY DARA LQOK EEDY QOKE EDYO TOLQ OKEE DY
THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN
voynich_render
voynich_render
null
{}
hard
en
154
154
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
cda-0012855
34 72 32 25 48 87 66 63 94 48 3 11 3 33 27 64 1 57 58 66 52 49 70 82 63 3 22 43 21 58 66 67 22 64 57 22 26 4 23 25 34 49 87 63 1 25 25 22 3 70 63 33 33 34 3 23 79 93 33 78 82 15 62 58 23 63 58 26 52 32 87 49 67 66 39 59 25 92 40 27 60 60 33 34 66 81 3 33 43 23 1 58 35 88
34 72 32 25 48 87 66 63 94 48 3 11 3 33 27 64 1 57 58 66 52 49 70 82 63 3 22 43 21 58 66 67 22 64 57 22 26 4 23 25 34 49 87 63 1 25 25 22 3 70 63 33 33 34 3 23 79 93 33 78 82 15 62 58 23 63 58 26 52 32 87 49 67 66 39 59 25 92 40 27 60 60 33 34 66 81 3 33 43 23 1 58 35 88
ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH
homophonic
homophonic
null
{}
hard
en
94
94
synthetic_educational
null
null
[ "frequency_analysis", "multiple_ciphertext_attack" ]
Homophonic substitution: each letter maps to multiple possible numbers.
cda-0014951
15 33 44 42 34 35 54 32 15 11 43 45 42 15 43 45 33 13 15 42 44 11 24 33 44 54 24 33 11 14 24 43 44 42 24 12 45 44 24 34 33 44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15 43 11 35 34 31 54 12 24 45 43 43 41 45 11 42 15 52 24 44 23 44 42 11 33 43 35 34 43 24 44 24 34 33
15 33 44 42 34 35 54 32 15 11 43 45 42 15 43 45 33 13 15 42 44 11 24 33 44 54 24 33 11 14 24 43 44 42 24 12 45 44 24 34 33 44 23 15 12 24 21 24 14 13 24 35 23 15 42 13 34 32 12 24 33 15 43 11 35 34 31 54 12 24 45 43 43 41 45 11 42 15 52 24 44 23 44 42 11 33 43 35 34 43 24 44 24 34 33
ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION
polybius
polybius
null
{}
hard
en
95
95
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
kryha-v3-0172
CNEISJPHLDWACTLIWGLLFJVKWSYLKOQKKWZBGDIECNDYHJMJABZXTIMRNABZXISNCTPNFRTAKNJ
CNEISJPHLDWACTLIWGLLFJVKWSYLKOQKKWZBGDIECNDYHJMJABZXTIMRNABZXISNCTPNFRTAKNJ
THE SPEED OF LIGHT IS THE ULTIMATE SPEED LIMIT IN THE UNIVERSE EINSTEIN DEMONSTRATED THIS
kryha
kryha
machine
{ "type": "keyword", "value": "VIENNA" }
expert
en
75
75
cipher_museum
2.0
public
null
null
lorenz-v2-0543
THECJPHERDISKWASINVENTEDBYLEONBATTISTAALBERTIBRENAISSANCEARCHITECTANDGREATHUMANIST
THECJPHERDISKWASINVENTEDBYLEONBATTISTAALBERTIBRENAISSANCEARCHITECTANDGREATHUMANIST
THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST
lorenz
lorenz
machine
{ "type": "seed", "value": "STURGEON" }
expert
en
82
82
cipher_museum
2.0
public
null
null
cda-0016947
⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩
⟨w22⟩ ⟨w28⟩ ⟨a11⟩ ⟨w22⟩ ⟨a25⟩ ⟨w32⟩ ⟨a25⟩ ⟨w28⟩ ⟨a25⟩ ⟨w32⟩ ⟨w10⟩ ⟨a07⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w04⟩ ⟨w08⟩ ⟨a13⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨a25⟩ ⟨w10⟩ ⟨w08⟩ ⟨a17⟩ ⟨w32⟩ ⟨a23⟩ ⟨a23⟩ ⟨w20⟩ ⟨a19⟩ ⟨w20⟩ ⟨a07⟩ ⟨a25⟩ ⟨a01⟩ ⟨w20⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩
SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER
babington
babington
null
{}
medium
en
50
50
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
cda-0019429
SHAL SHOR RAII NOKE EDYS HARA LOTA IINY TEDY SHAL CHEO LQOK EEDY LKAI INOT EDYC HEDY OROR SHAI INOT AINO KALO RORD ARAL LKAI INRC HEOL RCHE OLCT AIIN QOKE DYSH ALOK SHYL KAII NOTE DYKA IIIN OROR DAIN YCHO LDAI INCH ORCT AIIN LKAI INOR ORDA LOKE EDYO KSHY DAII NRAI INSH AIIN CHED YOTA IINC HEDY CTAI INCH OLSH EDYS HEDY ...
SHAL SHOR RAII NOKE EDYS HARA LOTA IINY TEDY SHAL CHEO LQOK EEDY LKAI INOT EDYC HEDY OROR SHAI INOT AINO KALO RORD ARAL LKAI INRC HEOL RCHE OLCT AIIN QOKE DYSH ALOK SHYL KAII NOTE DYKA IIIN OROR DAIN YCHO LDAI INCH ORCT AIIN LKAI INOR ORDA LOKE EDYO KSHY DAII NRAI INSH AIIN CHED YOTA IINC HEDY CTAI INCH OLSH EDYS HEDY ...
OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES A STRONG CLAIM NEEDS STRONG EVIDENCE
voynich_render
voynich_render
null
{}
hard
en
308
308
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
four-square-001
MMOWPAMMEWWG
MMOWPAMMEWWG
ATTACK AT DAWN
four_square
four_square
polygraphic
{ "key1": "EXAMPLE", "key2": "KEYWORD" }
advanced
en
12
12
cipher_museum
0.2
public
null
null
chinese-telegraph-v3-0129
7338 7654 7194 8437 8603 8603 7654 7467 8685 8038 7849 8038 8100 8854 8038
7338 7654 7194 8437 8603 8603 7654 7467 8685 8038 7849 8038 8100 8854 8038
CHART THE UNKNOWN
chinese_telegraph
chinese_telegraph
codebook
{ "type": "additive", "value": "27182" }
expert
en
60
74
cipher_museum
2.0
public
null
null
vernam-v2-0054
ASOBSKZOMYYEAZORSIGLMZOQFDRBRSEMGUVXMVFBBXWYLTVNKISSETKOISILQBSXBRFPJZNXHJS
ASOBSKZOMYYEAZORSIGLMZOQFDRBRSEMGUVXMVFBBXWYLTVNKISSETKOISILQBSXBRFPJZNXHJS
ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW
vernam
vernam
stream
{ "type": "pad", "value": "ABCDEFGH (repeating)" }
expert
en
75
75
cipher_museum
2.0
public
null
null
kl7-v2-0111
SZYFYVGMQCHVDUBKKGNQSATMUCRPEVSBPWWTVGMYMUSRCDWGRSYEYRHCKMQHOCQDOUHBFCKNCXUWYRANEYOFATSRDQSDQUJTRAMYOXCGVSSTXRJHFNBUNDIFJIRRSJBWAAQLRIAENNLPKUWMUXQC
SZYFYVGMQCHVDUBKKGNQSATMUCRPEVSBPWWTVGMYMUSRCDWGRSYEYRHCKMQHOCQDOUHBFCKNCXUWYRANEYOFATSRDQSDQUJTRAMYOXCGVSSTXRJHFNBUNDIFJIRRSJBWAAQLRIAENNLPKUWMUXQC
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
kl7
kl7
machine
{ "type": "seed", "value": "NATO" }
expert
en
148
148
cipher_museum
2.0
public
null
null
porta-v3-0236
UFABRZIRBUPULJIBNRBTVAUNHVJ
UFABRZIRBUPULJIBNRBTVAUNHVJ
DONT FIRE TILL YOU SEE THE WHITES
porta
porta
polyalphabetic
{ "type": "keyword", "value": "ITALY" }
intermediate
en
27
27
cipher_museum
2.0
public
null
null
adfgx-191
GFADDADFAAFFAGDGGGAAGDFAAA
GFADDADFAAFFAGDGGGAAGDFAAA
THE KING IS DEAD
adfgx
adfgx
fractionation
{ "polybius": "ENIGMA", "columnar": "CRYPTO" }
advanced
en
26
26
cipher_museum
0.2
public
null
null
confederate-vigenere-v2-0180
RZOFATGKVXQAAANFTZQZESFWYMTHBDNKRVPVOYGREQIOFOOVFTWAQGVOVVELUGVPGMTHFWIHEWY
RZOFATGKVXQAAANFTZQZESFWYMTHBDNKRVPVOYGREQIOFOOVFTWAQGVOVVELUGVPGMTHFWIHEWY
ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "RICHMOND" }
intermediate
en
75
75
cipher_museum
2.0
public
null
null
cda-0014199
7.3.3 6.5.2 10.6.5 5.5.1 17.1.10 12.4.2 14.2.5 9.6.2 2.6.5 11.4.2 3.2.6 4.2.4 7.4.8 10.4.5 14.2.10 1.6.10 2.1.9 2.1.9 18.6.8 6.5.9 8.5.6 4.4.3 18.5.1 12.1.5 20.3.1 15.3.1 8.6.2 3.6.2 5.4.8 10.4.9 15.6.4 3.6.7 3.4.9 7.5.6 8.4.3 4.3.5 17.3.3 17.1.3 3.3.2 4.4.5 13.2.9 5.6.7 14.6.2 18.2.2 2.6.2 19.4.10 5.6.3 5.5.8 13.2.1 1...
7.3.3 6.5.2 10.6.5 5.5.1 17.1.10 12.4.2 14.2.5 9.6.2 2.6.5 11.4.2 3.2.6 4.2.4 7.4.8 10.4.5 14.2.10 1.6.10 2.1.9 2.1.9 18.6.8 6.5.9 8.5.6 4.4.3 18.5.1 12.1.5 20.3.1 15.3.1 8.6.2 3.6.2 5.4.8 10.4.9 15.6.4 3.6.7 3.4.9 7.5.6 8.4.3 4.3.5 17.3.3 17.1.3 3.3.2 4.4.5 13.2.9 5.6.7 14.6.2 18.2.2 2.6.2 19.4.10 5.6.3 5.5.8 13.2.1 1...
THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF
arnold_andre
arnold_andre
null
{}
hard
en
182
182
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Arnold-André book cipher: coordinates (page.section.word) referencing a shared text.
wallis-cipher-084
90 31 87 72 76 24 91 90 46 69 91 90 32 66 19 91
90 31 87 72 76 24 91 90 46 69 91 90 32 66 19 91
TRUST NO ONE
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "CIPHER" }
expert
en
32
47
cipher_museum
0.2
public
null
null
sigaba-086
VOWSKAXQQJVQPCG
VOWSKAXQQJVQPCG
FORWARD MARCH NOW
sigaba
sigaba
machine
{ "type": "seed", "value": "CIPHER" }
expert
en
15
15
cipher_museum
0.2
public
null
null
cda-0019644
-.. --- ..- -... .-.. . / - .-. .- -. ... .--. --- ... .. - .. --- -. / .- .--. .--. .-.. .. . ... / -.-. --- .-.. ..- -- -. .- .-. / . -. -.-. .-. -.-- .--. - .. --- -. / - .-- .. -.-. . / - .... . / -... . ... - / .-.. . ... ... --- -. ... / ... .... --- .-- / .-- .... . .-. . / - .... . / -- . - .... --- -.. / ..-. ...
-.. --- ..- -... .-.. . / - .-. .- -. ... .--. --- ... .. - .. --- -. / .- .--. .--. .-.. .. . ... / -.-. --- .-.. ..- -- -. .- .-. / . -. -.-. .-. -.-- .--. - .. --- -. / - .-- .. -.-. . / - .... . / -... . ... - / .-.. . ... ... --- -. ... / ... .... --- .-- / .-- .... . .-. . / - .... . / -- . - .... --- -.. / ..-. ...
DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE THE BEST LESSONS SHOW WHERE THE METHOD FAILS FAIL CLOSED IS A POSTURE NOT A SLOGAN THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER
morse_code
morse_code
null
{}
hard
en
171
171
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
kryptos-v3-0123
UUTQBQJYZBNULWKJTXRL
UUTQBQJYZBNULWKJTXRL
THE ALCHEMIST SUCCEEDS
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "LANGLEY" }
advanced
en
20
20
cipher_museum
2.0
public
null
null
cardano-autokey-034
KBPWSLALFFWLHTYBUQWABPWSLALAKFJLHTYBUQW
KBPWSLALFFWLHTYBUQWABPWSLALAKFJLHTYBUQW
IT WAS THE BEST OF TIMES IT WAS THE WORST OF TIMES
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "CARDANO" }
advanced
en
39
39
cipher_museum
0.2
public
null
null
playfair-v3-0115
LDBSUFQODUHUREDHFD
LDBSUFQODUHUREDHFD
DEAD MEN TELL NO TALES
playfair
playfair
polygraphic
{ "type": "keyword", "value": "FORTRESS" }
intermediate
en
18
18
cipher_museum
2.0
public
null
null
alberti-disk-v2-0136
DLTEGFVFNAMPDGUEBGVXO
DLTEGFVFNAMPDGUEBGVXO
BRIDGE DESTROYED AT DAWN
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 5 }
expert
en
21
21
cipher_museum
2.0
public
null
null
kama-sutra-v3-0362
YE TI QNKYEEYEK YX TI NEV REV YE TI NEV YX TI QNKYEEYEK RX MJN BONNE UL XPUMX GENZ ZNFF
YE TI QNKYEEYEK YX TI NEV REV YE TI NEV YX TI QNKYEEYEK RX MJN BONNE UL XPUMX GENZ ZNFF
IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
68
87
cipher_museum
2.0
public
null
null
cda-0014302
12.41.13 20.49.14 7.34.5 17.14.1 13.47.12 7.20.7 17.8.10 16.27.4 6.33.7 7.10.13 19.47.12 12.22.8 9.25.13 11.12.4 5.49.7 10.3.14 16.45.12 4.3.14 10.27.4 19.30.10 5.15.1 18.1.11 7.14.4 3.40.11 17.24.2 2.49.3 1.50.2 20.29.9 20.19.8 6.7.15 19.6.2 10.48.2 7.11.1 17.16.10 19.6.10 9.9.5 8.24.2 7.23.12 4.19.6 19.13.1 8.7.10 8....
12.41.13 20.49.14 7.34.5 17.14.1 13.47.12 7.20.7 17.8.10 16.27.4 6.33.7 7.10.13 19.47.12 12.22.8 9.25.13 11.12.4 5.49.7 10.3.14 16.45.12 4.3.14 10.27.4 19.30.10 5.15.1 18.1.11 7.14.4 3.40.11 17.24.2 2.49.3 1.50.2 20.29.9 20.19.8 6.7.15 19.6.2 10.48.2 7.11.1 17.16.10 19.6.10 9.9.5 8.24.2 7.23.12 4.19.6 19.13.1 8.7.10 8....
FREQUENCY ANALYSIS CAN REVEAL WEAK CIPHERS THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS
book_cipher
book_cipher
null
{}
hard
en
179
179
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
cda-0019616
IIES TWZC VKGL BSWG OOTY ALHH KBNL GUPA NYXQ ZQBK QLQJ NIAV CCWL RIVP UEKG REIJ FYPX KFLA LFJE SRQJ EGMQ MFJC KOOK IYMR FGWS UNDP
IIES TWZC VKGL BSWG OOTY ALHH KBNL GUPA NYXQ ZQBK QLQJ NIAV CCWL RIVP UEKG REIJ FYPX KFLA LFJE SRQJ EGMQ MFJC KOOK IYMR FGWS UNDP
HILL CIPHER USES LINEAR ALGEBRA TO ENCRYPT BLOCKS OF LETTERS THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY
vernam
vernam
null
{}
hard
en
104
104
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
cda-0001934
XOGMPHNPLXLNM JLHFIOP OIGOOGMUI TIXXIOP WLXFNQX PQKPXLXQXLNM NKPIOCGKTI ICLAIMJI JNRIP KIDNOI JNMDLAIMJI XFI ZGPLPZL IEGRLMGXLNM DLMAP OIHIGXIA XOLUOGRP LM JLHFIOXIEX
XOGMPHNPLXLNM JLHFIOP OIGOOGMUI TIXXIOP WLXFNQX PQKPXLXQXLNM NKPIOCGKTI ICLAIMJI JNRIP KIDNOI JNMDLAIMJI XFI ZGPLPZL IEGRLMGXLNM DLMAP OIHIGXIA XOLUOGRP LM JLHFIOXIEX
TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT
monoalphabetic
monoalphabetic
null
{ "alphabet": "GKJAIDUFLVZTRMNHYOPXQCWESB" }
hard
en
148
148
synthetic_educational
null
null
[ "frequency_analysis", "pattern_words", "hill_climbing_lm" ]
Monoalphabetic substitution with an arbitrary 26-letter permutation.
four-square-v3-0449
LUYPHLNUYPEUOHFMWFWHFCKUBLTSCSDAQDSTIHWFGSOUQDDNCKKCRQEUFMSHDTRBKQEUASFAQDQX
LUYPHLNUYPEUOHFMWFWHFCKUBLTSCSDAQDSTIHWFGSOUQDDNCKKCRQEUFMSHDTRBKQEUASFAQDQX
NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS
four_square
four_square
polygraphic
{ "key1": "WISDOM", "key2": "COURAGE" }
advanced
en
76
76
cipher_museum
2.0
public
null
null
cda-0013625
TAKE SHOU RSEX TRAA GAIN UNIT ETAK ESOP ENSK NOWN EXTR AYOU NGCO VERI SSUE PHAS EHOU RSEA RLYR ADIO ENEM YXER OXTR OOPE NTER NORT HDAI LYSC OUTT AKES HENC E
TAKE SHOU RSEX TRAA GAIN UNIT ETAK ESOP ENSK NOWN EXTR AYOU NGCO VERI SSUE PHAS EHOU RSEA RLYR ADIO ENEM YXER OXTR OOPE NTER NORT HDAI LYSC OUTT AKES HENC E
THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF
null_cipher
null_cipher
null
{}
hard
en
125
125
synthetic_educational
null
null
[ "acrostic_detection", "first_letter_extraction" ]
Null/steganographic cipher: hidden message formed by first letters of words.
joseon-yeokhak-098
AOLYLWVYAZVMTFKLHAOOHCLILLUNYLHASFLEHNNLYHALK
AOLYLWVYAZVMTFKLHAOOHCLILLUNYLHASFLEHNNLYHALK
THE REPORTS OF MY DEATH HAVE BEEN GREATLY EXAGGERATED
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "CIPHER" }
beginner
en
45
45
cipher_museum
0.2
public
null
null
lorenz-242
CIPHURKEYCHANGMD
CIPHURKEYCHANGMD
CIPHER KEY CHANGED
lorenz
lorenz
machine
{ "type": "seed", "value": "ENIGMA" }
expert
en
16
16
cipher_museum
0.2
public
null
null
vernam-v2-0077
SVRSPDRPVNCSMISQUVFVOONXRHOOUISWZOZNOOMLGDDCQTQVEQPDSVRSPDUYJAOLWGVGELYAFDJBQ
SVRSPDRPVNCSMISQUVFVOONXRHOOUISWZOZNOOMLGDDCQTQVEQPDSVRSPDUYJAOLWGVGELYAFDJBQ
SUPPLY LINES HAVE BEEN CUT RATIONS FOR THREE DAYS ONLY AWAIT RESUPPLY OR BREAK THROUGH LINES
vernam
vernam
stream
{ "type": "pad", "value": "ABCDEFGH (repeating)" }
expert
en
77
77
cipher_museum
2.0
public
null
null
kl7-015
LYMXTBXIMCRKFHB
LYMXTBXIMCRKFHB
OPERATION BEGINS
kl7
kl7
machine
{ "type": "seed", "value": "TSEC" }
expert
en
15
15
cipher_museum
0.2
public
null
null
adfgx-v3-0303
DAFAGGDDDXGDDGFGDFGFXAGDGAGFAADDAFXGAG
DAFAGGDDDXGDDGFGDFGFXAGDGAGFAADDAFXGAG
TREACHERY IN THE COURT
adfgx
adfgx
fractionation
{ "polybius": "DRAGON", "columnar": "THUNDER" }
advanced
en
38
38
cipher_museum
2.0
public
null
null
fractionated-morse-v3-0141
LFULQRARGBKEAQAPSALDPC
LFULQRARGBKEAQAPSALDPC
THE TELESCOPE REVEALS
fractionated_morse
fractionated_morse
fractionation
{ "type": "keyword", "value": "FORTRESS" }
advanced
en
22
22
cipher_museum
2.0
public
null
null
adfgvx-v3-0263
FDAAVGFDVAAAGAGDXAVAXADXDAAAFXAFFAAFDFDFDAGFAGAGFFGVDVGFAGDFFDFDFXGXGAAFFVDDFXDADXFVDFDFFDXAADDADFXAVGFFFAFDXAAGDFAXAFAXFFAADXGFDDAFDFFVGDFXDDDDGAGXAVGVDXAX
FDAAVGFDVAAAGAGDXAVAXADXDAAAFXAFFAAFDFDFDAGFAGAGFFGVDVGFAGDFFDFDFXGXGAAFFVDDFXDADXFVDFDFFDXAADDADFXAVGFFFAFDXAAGDFAXAFAXFFAADXGFDDAFDFFVGDFXDDDDGAGXAVGVDXAX
SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN
adfgvx
adfgvx
fractionation
{ "polybius": "TRIUMPH", "columnar": "JUSTICE" }
advanced
en
156
156
cipher_museum
2.0
public
null
null
voynich-render-v2-0046
jcog kx kr o rold gcog jckyc jd yoff o qixd au oru igcdq rold jizfe xldff ox xjddg
jcog kx kr o rold gcog jckyc jd yoff o qixd au oru igcdq rold jizfe xldff ox xjddg
WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET
voynich_render
voynich_render
substitution
{ "type": "none", "value": null }
expert
en
64
82
cipher_museum
2.0
public
null
null
four-square-v2-0522
INKWFDQDOMKSGLSCIQHSTURQEUNOLMSGSHKKOBRLKBBENRSPFLRTSTMLSMOUBSALLANORDZCKKXW
INKWFDQDOMKSGLSCIQHSTURQEUNOLMSGSHKKOBRLKBBENRSPFLRTSTMLSMOUBSALLANORDZCKKXW
ARMY OF THE POTOMAC CROSSES THE RAPPAHANNOCK TONIGHT ABSOLUTE SILENCE IS IMPERATIVE NOW
four_square
four_square
polygraphic
{ "key1": "WISDOM", "key2": "COURAGE" }
advanced
en
76
76
cipher_museum
2.0
public
null
null
columnar-transposition-vf-0092
VIRENEROEEBRGISAOPETVVENEADTYSRAOTYTSOTEUUHEEEHESAMEPDHAOTHANIVRNEN
VIRENEROEEBRGISAOPETVVENEADTYSRAOTYTSOTEUUHEEEHESAMEPDHAOTHANIVRNEN
TO EVERY THING THERE IS A SEASON AND A TIME TO EVERY PURPOSE UNDER THE HEAVEN ABOVE
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "PYTHON" }
intermediate
en
67
67
cipher_museum
2.0
public
null
null
cda-0020285
r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ· ¬· ⌣· ⌐ ¬· ┐· ⌐ K K L ┌· ─ Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ...
r └ ⌐ X X Γ· r ⌐ └ r Γ· ┐· r· L ┌· X K L ⌐ r r· ⌒ r· ⌒· ┌ ┘· Γ L ┌· ─ X L r X· ┌· Γ· K ⌒· ┌ ⌐ K K L ┌· X L K· L ┌· ⌒· X ⌒· X K L ┌ ─ L L Γ X ⌐ ─ r· ┘· ─ L X K K r· ┌· L ⌐ K ┌ ┘· Γ L └ K r· L ┌· ⌐ Γ· └ ⌐· L ─ r L r Γ· ┐· r· L ┌· ⌒ ┌· Γ· K L X K L ⌣ K Γ· ─ ⌐ ⌣· Γ· ¬· ⌣· ⌐ ¬· ┐· ⌐ K K L ┌· ─ Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ...
CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION CERTAINLY
pigpen
pigpen
null
{}
hard
en
86
86
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
hill-v2-0424
EHMREQURANYIWTLXHJBLGXYSSORCIHGGMHIMJDILTRXCYICIKQBOEEGFVZQIYSWT
EHMREQURANYIWTLXHJBLGXYSSORCIHGGMHIMJDILTRXCYICIKQBOEEGFVZQIYSWT
WHAT IS IN A NAME THAT WHICH WE CALL A ROSE BY ANY OTHER NAME WOULD SMELL AS SWEET
hill
hill
polygraphic
{ "a": 9, "b": 2, "c": 7, "d": 5 }
advanced
en
64
64
cipher_museum
2.0
public
null
null
kama-sutra-v3-0326
FUZNA MJN VARZQAYVKN
FUZNA MJN VARZQAYVKN
LOWER THE DRAWBRIDGE
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
18
20
cipher_museum
2.0
public
null
null