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
cda-0017118
MYEOA UWVKB XVRTK DTFZF VWAGF LLHMF WLJYR JAEBA VNKSH THHAB NBWBG WSMGF TSJIQ LXZEQ UQPRV KUHSX SMBCH DUULG LWJXA LYISL H
MYEOA UWVKB XVRTK DTFZF VWAGF LLHMF WLJYR JAEBA VNKSH THHAB NBWBG WSMGF TSJIQ LXZEQ UQPRV KUHSX SMBCH DUULG LWJXA LYISL H
TRANSPOSITION CIPHERS REARRANGE LETTERS WITHOUT SUBSTITUTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS
running_key
running_key
null
{}
hard
en
101
101
synthetic_educational
null
null
[ "index_of_coincidence", "probable_plaintext" ]
Running-key cipher: Vigenère with a very long key (e.g. a book passage).
diana-109
JUODQAPUWOQQYPIHLJKPIDOXYQWZQEGBLOXNLPHPRDBXLQWEJBLVWEZ
JUODQAPUWOQQYPIHLJKPIDOXYQWZQEGBLOXNLPHPRDBXLQWEJBLVWEZ
TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND
diana
diana
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
55
55
cipher_museum
0.2
public
null
null
argenti-v2-0225
28 26 83 63 41 28 84 37 63 20 75 66 83 37 34 28 20 22 63 67 56 59 60 72 84 17 44 83 66 67 28 25 75 71 56 20 22 75 23 88 83 77 26 68 16 34 41 65 72 77 20 41 44 84 72 13 41 37 33 83 67 66 17 37 63 69 56 23 16 28 25 63 69
28 26 83 63 41 28 84 37 63 20 75 66 83 37 34 28 20 22 63 67 56 59 60 72 84 17 44 83 66 67 28 25 75 71 56 20 22 75 23 88 83 77 26 68 16 34 41 65 72 77 20 41 44 84 72 13 41 37 33 83 67 66 17 37 63 69 56 23 16 28 25 63 69
ALEA IACTA EST ET CAESAR RUBICONE TRANSGRESSO BELLUM CIVILE INCIPIT PER TOTAM ROMANAM
argenti
argenti
nomenclator
{ "type": "seed", "value": "PAPAL" }
expert
en
146
218
cipher_museum
2.0
public
null
null
geez-monastic-v2-0366
UFWUVYUFMCJQZUAWLVCEWYHWQLJYUFMLMWQVCVHQPVQAVYMUFVHZWYAMJDFUFHYAQMAWYAZJOULUFQMMWPPNMQZVYZFMPAWZZPWBMZSJUFJYWYLZUWUMJYQMXMPPJVYWDWJYZUUFMHYJUMAZUWUMZZFWPPXMCQMM
UFWUVYUFMCJQZUAWLVCEWYHWQLJYUFMLMWQVCVHQPVQAVYMUFVHZWYAMJDFUFHYAQMAWYAZJOULUFQMMWPPNMQZVYZFMPAWZZPWBMZSJUFJYWYLZUWUMJYQMXMPPJVYWDWJYZUUFMHYJUMAZUWUMZZFWPPXMCQMM
THAT ON THE FIRST DAY OF JANUARY IN THE YEAR OF OUR LORD ONE THOUSAND EIGHT HUNDRED AND SIXTY THREE ALL PERSONS HELD AS SLAVES WITHIN ANY STATE IN REBELLION AGAINST THE UNITED STATES SHALL BE FREE
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "LALIBELA" }
advanced
en
160
160
cipher_museum
2.0
public
null
null
wheatstone-v3-0137
YLKHAADMMDIA
YLKHAADMMDIA
YANKEE DOODLE
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "LONDON" }
advanced
en
12
12
cipher_museum
2.0
public
null
null
straddling-checkerboard-v3-0277
211074865203220732221425143702298223227352873224250572242561472012832228229485657322073134370163523242252852489482922
211074865203220732221425143702298223227352873224250572242561472012832228229485657322073134370163523242252852489482922
DARWIN OBSERVED THAT SPECIES EVOLVE THROUGH NATURAL SELECTION OVER VAST SPANS OF GEOLOGIC TIME
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "RASTONICEL" }
advanced
en
117
117
cipher_museum
2.0
public
null
null
diana-v2-0456
YIGEGZLDPJWEEKTAIWDGKGDIXNRKLQIEVTQSAOYZLSYIQLDRKZWXRPPGEUKAQFMKIKBFPLSIIBRXL
YIGEGZLDPJWEEKTAIWDGKGDIXNRKLQIEVTQSAOYZLSYIQLDRKZWXRPPGEUKAQFMKIKBFPLSIIBRXL
NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN
diana
diana
polyalphabetic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
77
77
cipher_museum
2.0
public
null
null
nihilist-176
43 47 64 37 68 46 56 44 57 46 46 25
43 47 64 37 68 46 56 44 57 46 46 25
HOLD POSITION
nihilist
nihilist
fractionation
{ "polybius": "ENIGMA", "keyword": "NIHIL" }
advanced
en
24
35
cipher_museum
0.2
public
null
null
babington-v3-0027
⟨a10⟩ ⟨a11⟩ ⟨w21⟩ ⟨w08⟩ ⟨w21⟩ ⟨n01⟩ ⟨a13⟩ ⟨a07⟩ ⟨w16⟩ ⟨w20⟩ ⟨a11⟩ ⟨a13⟩ ⟨a07⟩ ⟨w34⟩ ⟨w06⟩ ⟨a08⟩ ⟨w25⟩ ⟨a11⟩ ⟨w06⟩
⟨a10⟩ ⟨a11⟩ ⟨w21⟩ ⟨w08⟩ ⟨w21⟩ ⟨n01⟩ ⟨a13⟩ ⟨a07⟩ ⟨w16⟩ ⟨w20⟩ ⟨a11⟩ ⟨a13⟩ ⟨a07⟩ ⟨w34⟩ ⟨w06⟩ ⟨a08⟩ ⟨w25⟩ ⟨a11⟩ ⟨w06⟩
THE TELEGRAPH TRANSMITS
babington
babington
nomenclator
{ "type": "seed", "value": "ELIZABETH" }
expert
en
95
113
cipher_museum
2.0
public
null
null
cda-0010096
PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT NGONFU RAPBQRF OL ERIREFVAT GUR NYCUNORG BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF PNERSHYYL
PELCGBTENCUL ERJNEQF CNGVRAPR NAQ PNERSHY GUVAXVAT NGONFU RAPBQRF OL ERIREFVAT GUR NYCUNORG BOFREINOYR RIVQRAPR PBZRF ORSBER PBASVQRAPR GUR QRGRPGVIR FGHQVRF CNGGREAF ORSBER ZNXVAT PYNVZF PNERSHYYL
CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING ATBASH ENCODES BY REVERSING THE ALPHABET OBSERVABLE EVIDENCE COMES BEFORE CONFIDENCE THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS CAREFULLY
rot13
rot13
null
{ "shift": 13 }
hard
en
173
173
synthetic_educational
null
null
[]
cda-0003550
PSOHSBEG WF GUR ENQWCEBNON BT IVTNASEN OAR RSQELCGF WGFRYS VHZOA ENOROPYR BHGCHG FUBHYR FUBJ OYY EROFBAVAT FGSCF GUN NWPEOEL CESFREISF NABJYSRUN SBE GVS QBZZHAWGL GUS BAN GVZS COR VF GVSBERGVQOYYL HAPESOXOPNS WS HFNR QBEERQGYL
PSOHSBEG WF GUR ENQWCEBNON BT IVTNASEN OAR RSQELCGF WGFRYS VHZOA ENOROPYR BHGCHG FUBHYR FUBJ OYY EROFBAVAT FGSCF GUN NWPEOEL CESFREISF NABJYSRUN SBE GVS QBZZHAWGL GUS BAN GVZS COR VF GVSBERGVQOYYL HAPESOXOPNS WS HFNR QBEERQGYL
BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY
porta
porta
null
{ "key": "JUSTICE" }
hard
en
193
193
synthetic_educational
null
null
[ "kasiski_examination", "index_of_coincidence" ]
Porta: 13-row table polyalphabetic cipher; reciprocal (encrypt = decrypt).
adfgvx-179
AAFAAGAFAFADAADFAFDADAADAAAAFFDAADAFADGVDAFFAFADADDADAFDFGAAFAADAAADDFADFADAAAAAFFDAGAFFDGAAFAFAFFAVXXXAGXGGVVVVDXGVXXXDVGDVGADXXXDDXAAVXFAXFXXFVDGFDVGFGXXFAVFXDXXAXDFFVDVXDVVXVGGVVXAFDXVXVFXVXXVVFVDVVXFVXXXDVAVVXVGFDDXXXXDXFAVFVFVXAFFDGVVVVFFADDDAAGDDADFAAAAAAAAAFADAAADAFDVAGDAAADADGADDFFAGDAAA
AAFAAGAFAFADAADFAFDADAADAAAAFFDAADAFADGVDAFFAFADADDADAFDFGAAFAADAAADDFADFADAAAAAFFDAGAFFDGAAFAFAFFAVXXXAGXGGVVVVDXGVXXXDVGDVGADXXXDDXAAVXFAXFXXFVDGFDVGFGXXFAVFXDXXAXDFFVDVXDVVXVGGVVXAFDXVXVFXVXXVVFVDVVXFVXXXDVAVVXVGFDDXXXXDXFAVFVFVXAFFDGVVVVFFADDDAAGDDADFAAAAAAAAAFADAAADAFDVAGDAAADADGADDFFAGDAAA
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
adfgvx
adfgvx
fractionation
{ "polybius": "SECRET", "columnar": "AGENTS" }
advanced
en
296
296
cipher_museum
0.2
public
null
null
commercial-code-v3-0023
ZUZUZ HAZUZ BEZUZ PAZUZ PAZUZ XUZUZ ZUZUZ XAZUZ BAZUZ LAZUZ PAZUZ XUZUZ ZUZUZ BAZUZ KAZUZ GAZUZ BAZUZ FAZUZ XUZUZ
ZUZUZ HAZUZ BEZUZ PAZUZ PAZUZ XUZUZ ZUZUZ XAZUZ BAZUZ LAZUZ PAZUZ XUZUZ ZUZUZ BAZUZ KAZUZ GAZUZ BAZUZ FAZUZ XUZUZ
FULL SAIL AHEAD
commercial_code
commercial_code
codebook
{ "type": "none", "value": null }
expert
en
95
113
cipher_museum
2.0
public
null
null
babington-v2-0075
⟨w18⟩ ⟨x2⟩ ⟨n04⟩ ⟨w28⟩ ⟨n04⟩ ⟨a20⟩ ⟨w12⟩ ⟨w28⟩ ⟨w02⟩ ⟨a14⟩ ⟨a05⟩ ⟨w28⟩ ⟨a13⟩ ⟨w06⟩ ⟨a16⟩ ⟨a05⟩ ⟨w28⟩ ⟨a11⟩ ⟨w01⟩ ⟨w16⟩ ⟨w28⟩ ⟨a14⟩ ⟨a05⟩ ⟨a04⟩ ⟨a02⟩ ⟨w22⟩ ⟨a13⟩ ⟨w23⟩ ⟨w04⟩ ⟨a20⟩ ⟨w28⟩ ⟨w12⟩ ⟨a09⟩ ⟨w26⟩ ⟨w02⟩ ⟨a17⟩ ⟨w18⟩ ⟨x2⟩ ⟨w28⟩ ⟨a04⟩ ⟨a20⟩ ⟨w12⟩ ⟨w28⟩ ⟨w02⟩ ⟨a14⟩ ⟨a05⟩ ⟨n04⟩ ⟨w28⟩ ⟨a13⟩ ⟨w06⟩ ⟨w28⟩ ⟨a14⟩ ⟨w20⟩ ⟨w28...
⟨w18⟩ ⟨x2⟩ ⟨n04⟩ ⟨w28⟩ ⟨n04⟩ ⟨a20⟩ ⟨w12⟩ ⟨w28⟩ ⟨w02⟩ ⟨a14⟩ ⟨a05⟩ ⟨w28⟩ ⟨a13⟩ ⟨w06⟩ ⟨a16⟩ ⟨a05⟩ ⟨w28⟩ ⟨a11⟩ ⟨w01⟩ ⟨w16⟩ ⟨w28⟩ ⟨a14⟩ ⟨a05⟩ ⟨a04⟩ ⟨a02⟩ ⟨w22⟩ ⟨a13⟩ ⟨w23⟩ ⟨w04⟩ ⟨a20⟩ ⟨w28⟩ ⟨w12⟩ ⟨a09⟩ ⟨w26⟩ ⟨w02⟩ ⟨a17⟩ ⟨w18⟩ ⟨x2⟩ ⟨w28⟩ ⟨a04⟩ ⟨a20⟩ ⟨w12⟩ ⟨w28⟩ ⟨w02⟩ ⟨a14⟩ ⟨a05⟩ ⟨n04⟩ ⟨w28⟩ ⟨a13⟩ ⟨w06⟩ ⟨w28⟩ ⟨a14⟩ ⟨w20⟩ ⟨w28...
BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US
babington
babington
nomenclator
{ "type": "seed", "value": "SCOTLAND" }
expert
en
338
405
cipher_museum
2.0
public
null
null
cda-0015935
.- -. / .- ..-. ..-. .. -. . / -.-. .. .--. .... . .-. / .- .--. .--. .-.. .. . ... / .- / .-.. .. -. . .- .-. / ..-. ..- -. -.-. - .. --- -. / - --- / . .- -.-. .... / .-.. . - - . .-.
.- -. / .- ..-. ..-. .. -. . / -.-. .. .--. .... . .-. / .- .--. .--. .-.. .. . ... / .- / .-.. .. -. . .- .-. / ..-. ..- -. -.-. - .. --- -. / - --- / . .- -.-. .... / .-.. . - - . .-.
AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER
morse_code
morse_code
null
{}
medium
en
48
48
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
zimmermann-v2-0078
99999 90013 90000 90021 90000 90011 99998 99999 90020 90013 90008 90019 90018 99998 00004 99999 90015 90014 90018 90008 90019 90008 90014 90013 99998 99999 90014 90005 90005 99998 00000 99999 90002 90014 90000 90018 90019 99998 99999 90000 90022 90000 90008 90019 90008 90013 90006 99998 99999 90018 90008 90006 90013 90...
99999 90013 90000 90021 90000 90011 99998 99999 90020 90013 90008 90019 90018 99998 00004 99999 90015 90014 90018 90008 90019 90008 90014 90013 99998 99999 90014 90005 90005 99998 00000 99999 90002 90014 90000 90018 90019 99998 99999 90000 90022 90000 90008 90019 90008 90013 90006 99998 99999 90018 90008 90006 90013 90...
NAVAL UNITS IN POSITION OFF THE COAST AWAITING SIGNAL TO COMMENCE SHORE BOMBARDMENT AT DAWN
zimmermann
zimmermann
codebook
{ "type": "none", "value": null }
expert
en
470
563
cipher_museum
2.0
public
null
null
autokey-v2-0372
EPFJLGBTTISNNOPDSOEEXDWQPXQGBNEOFUIAQUTAIHBNJXWRHRZTMCXOWIPMCUIGHRMIVMEXBIVAPPSOARICMLZMPIVZVIYELWLEEEIDWCZIVEEEPHXKEKPBWGAJITECRGYCCJBIZXDQTNIELSNESISUIIKMRDEMSKRGRGLDWZVOAJMFKGPEU
EPFJLGBTTISNNOPDSOEEXDWQPXQGBNEOFUIAQUTAIHBNJXWRHRZTMCXOWIPMCUIGHRMIVMEXBIVAPPSOARICMLZMPIVZVIYELWLEEEIDWCZIVEEEPHXKEKPBWGAJITECRGYCCJBIZXDQTNIELSNESISUIIKMRDEMSKRGRGLDWZVOAJMFKGPEU
THE FUNDAMENTAL PROBLEM OF COMMUNICATION IS THAT OF REPRODUCING AT ONE POINT EITHER EXACTLY OR APPROXIMATELY A MESSAGE SELECTED AT ANOTHER POINT FREQUENTLY THE MESSAGES HAVE MEANING AND REFER TO PHYSICAL CONCEPTS
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
181
181
cipher_museum
2.0
public
null
null
columnar-transposition-vf-0036
VIRENEROEEBTYTSOTEUUHEERGISAOPETVVEHESAMEPDHAOTHANIVRNENENEADTYSRAO
VIRENEROEEBTYTSOTEUUHEERGISAOPETVVEHESAMEPDHAOTHANIVRNENENEADTYSRAO
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": "MUSEUM" }
intermediate
en
67
67
cipher_museum
2.0
public
null
null
alberti-disk-v2-0374
ZIKGZVATUFTGJQLHYINNZMZAKJXBIQTEOKMWDREPXUFJDLOHMUJEENYTJTCSXFYONGGEWJRYCGJQSTXKVBPPFWZRMRFUXAVXRBDCNWKFCIQQVKXVEBUHUMXMYDOFQRARXHWLYBKVZZCPLXXBAFNXOUU
ZIKGZVATUFTGJQLHYINNZMZAKJXBIQTEOKMWDREPXUFJDLOHMUJEENYTJTCSXFYONGGEWJRYCGJQSTXKVBPPFWZRMRFUXAVXRBDCNWKFCIQQVKXVEBUHUMXMYDOFQRARXHWLYBKVZZCPLXXBAFNXOUU
TIMES ARE BAD CHILDREN NO LONGER OBEY THEIR PARENTS AND EVERYONE IS WRITING A BOOK IT SEEMS TO ME THAT THE YOUNG HAVE ALWAYS AND WILL ALWAYS BE AN UNRULY GENERATION FULL OF FOOLISHNESS
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 8 }
expert
en
151
151
cipher_museum
2.0
public
null
null
kryha-v2-0101
JHAQJUJTGFRPBXAZFBUKIRHZENBHSBTBGCKUAKTLOYFHRTPCDNXQJZZUQMOLVNZPPCVRWAKUWQBGW
JHAQJUJTGFRPBXAZFBUKIRHZENBHSBTBGCKUAKTLOYFHRTPCDNXQJZZUQMOLVNZPPCVRWAKUWQBGW
DEUTSCHLAND UBER ALLES IN DER WELT WENN ES STETS ZU SCHUTZ UND TRUTZE BRÜDERLICH ZUSAMMENHÄLT
kryha
kryha
machine
{ "type": "keyword", "value": "MUNICH" }
expert
en
77
77
cipher_museum
2.0
public
null
null
red-type-a-210
JUTHEYWPASL
JUTHEYWPASL
RALLY AT DAWN
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "MUSEUM" }
advanced
en
11
11
cipher_museum
0.2
public
null
null
diana-v2-0415
TAZKYEYSRTDXBGDPYAXBLXHTM
TAZKYEYSRTDXBGDPYAXBLXHTM
SICUT PATRIBUS SIT DEUS NOBIS
diana
diana
polyalphabetic
{ "type": "keyword", "value": "LIBERTY" }
intermediate
en
25
25
cipher_museum
2.0
public
null
null
null-cipher-v3-0083
that each have about these tell make its raec into help made your little tnsv live sraa tell has
that each have about these tell make its raec into help made your little tnsv live sraa tell has
THE TELESCOPE REVEALS
null_cipher
null_cipher
steganography
{ "type": "position", "value": "last" }
advanced
en
78
96
cipher_museum
2.0
public
null
null
trifid-v3-0427
EFNYCOMMDOJAKEMDAXA
EFNYCOMMDOJAKEMDAXA
AVE MARIA GRATIA PLENA
trifid
trifid
fractionation
{ "type": "keyword", "value": "JUSTICE" }
advanced
en
19
19
cipher_museum
2.0
public
null
null
jn25-093
37191 37189 37186 37196 37195 37193 37106 37191 37189 37180 37195 37188 37104 37186 37189 37182 37103 37186 37191 37196 37187 37186 37182 37199 37180 37190 37187 37186 37182 37199 37180 37191 37190 37186 37193 37187
37191 37189 37186 37196 37195 37193 37106 37191 37189 37180 37195 37188 37104 37186 37189 37182 37103 37186 37191 37196 37187 37186 37182 37199 37180 37190 37187 37186 37182 37199 37180 37191 37190 37186 37193 37187
THE ONLY THING WE HAVE TO FEAR IS FEAR ITSELF
jn25
jn25
codebook
{ "type": "additive", "value": "27182" }
expert
en
180
215
cipher_museum
0.2
public
null
null
cda-0003266
GTLTT CSIYI ULTBS DAIGR ETLSE SCADS LSHSI OOOEE AATEL CEAHI RSENX FEUCI LMIPN RISIX NDEAP RTMOC HPUPF ICRUX XLVTN THLHA ENNRL LLDUT AIOEG PBETA SFUED XXESR RPBIR EOEEN MIOCA ONIGD VLTSP EUAEC SX
GTLTT CSIYI ULTBS DAIGR ETLSE SCADS LSHSI OOOEE AATEL CEAHI RSENX FEUCI LMIPN RISIX NDEAP RTMOC HPUPF ICRUX XLVTN THLHA ENNRL LLDUT AIOEG PBETA SFUED XXESR RPBIR EOEEN MIOCA ONIGD VLTSP EUAEC SX
GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS A STRONG CLAIM NEEDS STRONG EVIDENCE POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN
stager_route
stager_route
null
{ "cols": 9 }
hard
en
162
162
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
playfair-v3-0797
NRPIVGIOMPICAQODMKEHCPLPMRIFCTLDDIHEPEPVMPICAQNRPIVGIPQDMKSGTRLERMDBASIPPTPFHP
NRPIVGIOMPICAQODMKEHCPLPMRIFCTLDDIHEPEPVMPICAQNRPIVGIPQDMKSGTRLERMDBASIPPTPFHP
SCIENCE WITHOUT RELIGION IS LAME AND RELIGION WITHOUT SCIENCE IS BLIND SAID ALBERT EINSTEIN
playfair
playfair
polygraphic
{ "type": "keyword", "value": "COURAGE" }
intermediate
en
78
78
cipher_museum
2.0
public
null
null
columnar-transposition-v3-0642
CTTEIUANRTRCEEHHRYO
CTTEIUANRTRCEEHHRYO
TREACHERY IN THE COURT
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
19
19
cipher_museum
2.0
public
null
null
slidex-v2-0307
LPHHOWZEVZNOYHNXZUXJJCCVOKRZEGTTMOCAUBZJXYKUBIGOMMEKGRMMKHLPXJMMRVRHHFGKSKJD
LPHHOWZEVZNOYHNXZUXJJCCVOKRZEGTTMOCAUBZJXYKUBIGOMMEKGRMMKHLPXJMMRVRHHFGKSKJD
ARMY OF NORTHERN VIRGINIA SURRENDERS AT APPOMATTOX COURTHOUSE THE WAR IN THE EAST IS OVER
slidex
slidex
transposition
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
76
76
cipher_museum
2.0
public
null
null
double-transposition-v2-0290
HLETEBMBRSLTAOASEEASRF
HLETEBMBRSLTAOASEEASRF
FLEET ASSEMBLES AT HARBOR
double_transposition
double_transposition
transposition
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
22
22
cipher_museum
2.0
public
null
null
adfgvx-v2-0431
DGDFGGAVADDGAADGDVFXDFAFFDAXGAGADFDDDFDFAXFVDAVAGGFDAAFAFADGGGVAXDDDDFXADGAAGVADGDFDDFVGVDVAVADGDFVAXAFFGADGAAAFGGAGVFAFAVAADFDXAADDAADDAFGDGDGXFDGAGG
DGDFGGAVADDGAADGDVFXDFAFFDAXGAGADFDDDFDFAXFVDAVAGGFDAAFAFADGGGVAXDDDDFXADGAAGVADGDFDDFVGVDVAVADGDFVAXAFFGADGAAAFGGAGVFAFAVAADFDXAADDAADDAFGDGDGXFDGAGG
ENEMY FORCES REPORTED MOVING TOWARD GETTYSBURG CAVALRY HAS CONFIRMED THE FULL SIGHTING
adfgvx
adfgvx
fractionation
{ "polybius": "DRAGON", "columnar": "THUNDER" }
advanced
en
150
150
cipher_museum
2.0
public
null
null
cda-0009535
VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA
VAQRK BS PBVAPVQRAPR ZRNFHERF YRGGRE SERDHRAPL QVFGEVOHGVBA
INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION
rot13
rot13
null
{ "shift": 13 }
medium
en
53
53
synthetic_educational
null
null
[]
red-type-a-v2-0389
GAGZEVAPHIAQOW
GAGZEVAPHIAQOW
TARGET ACQUIRED
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "MIKADO" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
cda-0013697
VOHWIUHYOKLGUEWIPFPSOJDYOIYIOEJVEQOANTVBOKUIPOASTKBKINLVWUWXYPCDZISOJDBGEDXTPMIVQRZYSKMPXXXBSPIIOXWKHZWVVHHXETSEWBORCESMLZPNHGEIKEM
VOHWIUHYOKLGUEWIPFPSOJDYOIYIOEJVEQOANTVBOKUIPOASTKBKINLVWUWXYPCDZISOJDBGEDXTPMIVQRZYSKMPXXXBSPIIOXWKHZWVVHHXETSEWBORCESMLZPNHGEIKEM
GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS DIGRAPH AND TRIGRAPH FREQUENCIES EXPOSE SIMPLE CIPHERS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS
running_key
running_key
null
{}
hard
en
131
131
synthetic_educational
null
null
[ "index_of_coincidence", "probable_plaintext" ]
Running-key cipher: Vigenère with a very long key (e.g. a book passage).
trifid-086
JQVWYEIBMRIMODO
JQVWYEIBMRIMODO
FORWARD MARCH NOW
trifid
trifid
fractionation
{ "type": "keyword", "value": "CIPHER" }
advanced
en
15
15
cipher_museum
0.2
public
null
null
enigma-v2-0062
PZUULBGREKVWKUTNVBKPPMRSUCGVTVYRIMCTQTCUDUCDKGRSPJXKVBHQSLBCJYPCDHVSJTVSIFGHW
PZUULBGREKVWKUTNVBKPPMRSUCGVTVYRIMCTQTCUDUCDKGRSPJXKVBHQSLBCJYPCDHVSJTVSIFGHW
THE LORD IS MY SHEPHERD I SHALL NOT WANT HE MAKETH ME LIE DOWN IN GREEN PASTURES BY STILL WATERS
enigma
enigma
machine
{ "type": "rotor_start", "value": "ABC" }
expert
en
77
77
cipher_museum
2.0
public
null
null
lorenz-v3-0048
CALLMEISHMAELSOMEYEARSAGKNEVERMIMDHOWPONGPRECISELYITHKUGHTIWOULDSAILABOUTANCSEETHEKCEAN
CALLMEISHMAELSOMEYEARSAGKNEVERMIMDHOWPONGPRECISELYITHKUGHTIWOULDSAILABOUTANCSEETHEKCEAN
CALL ME ISHMAEL SOME YEARS AGO NEVER MIND HOW LONG PRECISELY I THOUGHT I WOULD SAIL ABOUT AND SEE THE OCEAN
lorenz
lorenz
machine
{ "type": "seed", "value": "TUNNY" }
expert
en
87
87
cipher_museum
2.0
public
null
null
m209-v2-0022
BWGTYCBRYAQROJZN
BWGTYCBRYAQROJZN
DIVIDE AND CONQUER
m209
m209
machine
{ "type": "seed", "value": "ARMY" }
expert
en
16
16
cipher_museum
2.0
public
null
null
two-square-v2-0161
DDVBRDQOIEGGQVYHHOPGEFORETHEIRAOCSHSTHLYCKIANTPFWREUASAFAOCSHBXPSIAD
DDVBRDQOIEGGQVYHHOPGEFORETHEIRAOCSHSTHLYCKIANTPFWREUASAFAOCSHBXPSIAD
COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE
two_square
two_square
polygraphic
{ "key1": "LIBERTY", "key2": "FREEDOM" }
advanced
en
68
68
cipher_museum
2.0
public
null
null
polybius-025
43 24 31 15 33 13 15 24 43 22 34 31 14 15 33
43 24 31 15 33 13 15 24 43 22 34 31 14 15 33
SILENCE IS GOLDEN
polybius
polybius
substitution
{ "type": "none", "value": null }
beginner
en
30
44
cipher_museum
0.2
public
null
null
wallis-cipher-v2-0228
90 30 54 12 63 55 15 91 90 82 18 77 84 45 91 90 61 20 47 15 76 55 81 54 45 91 90 85 79 91 90 30 18 91 90 27 25 20 15 91 90 75 63 53 91 90 74 85 45 40 91 90 41 35 84 66 54 53 40 76 81 15 91 90 77 47 91 90 55 63 37 25 30 72 45 84 85 66 91 90 61 20 18 81 47 54 53 76 91 90 33 63 91 90 27 84 77 91 90 40 76 88 15 91
90 30 54 12 63 55 15 91 90 82 18 77 84 45 91 90 61 20 47 15 76 55 81 54 45 91 90 85 79 91 90 30 18 91 90 27 25 20 15 91 90 75 63 53 91 90 74 85 45 40 91 90 41 35 84 66 54 53 40 76 81 15 91 90 77 47 91 90 55 63 37 25 30 72 45 84 85 66 91 90 61 20 18 81 47 54 53 76 91 90 33 63 91 90 27 84 77 91 90 40 76 88 15 91
LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "ENGLAND" }
expert
en
208
311
cipher_museum
2.0
public
null
null
m94-v2-0037
QXZFGLNQCNFHXMZEYHDETLMKG
QXZFGLNQCNFHXMZEYHDETLMKG
SICUT PATRIBUS SIT DEUS NOBIS
m94
m94
machine
{ "type": "seed", "value": "ARMY" }
expert
en
25
25
cipher_museum
2.0
public
null
null
great-cipher-v2-0358
178 143 130 137 132 126 152 142 154 164 114 129 121 116 121 165 137 141 117 114 114 119 164 154 123 100 150 154 142 142 128 105 129 143 133 152 111 149 115 118 164 124 155 101 134 149 149 116 168 138 118 133 125 149 122 152 119 118 104 157
178 143 130 137 132 126 152 142 154 164 114 129 121 116 121 165 137 141 117 114 114 119 164 154 123 100 150 154 142 142 128 105 129 143 133 152 111 149 115 118 164 124 155 101 134 149 149 116 168 138 118 133 125 149 122 152 119 118 104 157
GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "FRANCE" }
expert
en
180
239
cipher_museum
2.0
public
null
null
bifid-259
EWTHIRHTOHLYNCDSQETLEKADEYALOTEVSLIIQAIOTA
EWTHIRHTOHLYNCDSQETLEKADEYALOTEVSLIIQAIOTA
IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE
bifid
bifid
fractionation
{ "type": "keyword", "value": "ENIGMA" }
advanced
en
42
42
cipher_museum
0.2
public
null
null
kama-sutra-v2-0454
RFF OEYMX CAUPNNV MU VNXYKERMNV ARFFI CUYEMX REV RZRYM LOAMJNA UAVNAX LAUT JYKJ PUTTREV EUZ
RFF OEYMX CAUPNNV MU VNXYKERMNV ARFFI CUYEMX REV RZRYM LOAMJNA UAVNAX LAUT JYKJ PUTTREV EUZ
ALL UNITS PROCEED TO DESIGNATED RALLY POINTS AND AWAIT FURTHER ORDERS FROM HIGH COMMAND NOW
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
77
91
cipher_museum
2.0
public
null
null
affine-178
BAFGAFS GAFSFMXSF PF FDG XS YSHQV XS BADGZXFUFS PF YX YX DCC GX GAF TCXSP XM TXY MXS GAF FDSGA HZ GAF CXSYZ DQY GAF MNCCQFZZ GAFSFXM GAF BXSCY DQY GAFP GADG YBFCC GAFSFHQ
BAFGAFS GAFSFMXSF PF FDG XS YSHQV XS BADGZXFUFS PF YX YX DCC GX GAF TCXSP XM TXY MXS GAF FDSGA HZ GAF CXSYZ DQY GAF MNCCQFZZ GAFSFXM GAF BXSCY DQY GAFP GADG YBFCC GAFSFHQ
WHETHER THEREFORE YE EAT OR DRINK OR WHATSOEVER YE DO DO ALL TO THE GLORY OF GOD FOR THE EARTH IS THE LORDS AND THE FULLNESS THEREOF THE WORLD AND THEY THAT DWELL THEREIN
affine
affine
substitution
{ "a": 7, "b": 3 }
beginner
en
137
170
cipher_museum
0.2
public
null
null
cda-0016330
. .... ... .... .... ..... . .. ... . . ..... .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... . . ... ..... ... ..... ... . .. .... . ..... .... ... . ... ... .... ... . .... ..... ... .. ... ... . . .... .. . ..... ... ......
. .... ... .... .... ..... . .. ... . . ..... .... .... .... .. . . ... ... .... ... ... ..... ... .... .... ... .. .... .... .... .. .... ... .... ... ... . . ... ..... ... ..... ... . .. .... . ..... .... ... . ... ... .... ... . .... ..... ... .. ... ... . . .... .. . ..... ... ......
DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER
tap_code
tap_code
null
{}
hard
en
150
150
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.
geez-monastic-v2-0238
ZHHMZFYZFTEARZATBOSBTPTCIEOSJTSPTMJTSZRHTIOZIIZPUMTQXAIATTQXSZRHTMJTSXAESVOXFYOFPTAMTQXAIATTQESZPIELTMJTSMTZFTSTZFMTQXAIQZUTIJTTSTQWRTHETLTMTZFTYZFZMZW
ZHHMZFYZFTEARZATBOSBTPTCIEOSJTSPTMJTSZRHTIOZIIZPUMTQXAIATTQXSZRHTMJTSXAESVOXFYOFPTAMTQXAIATTQESZPIELTMJTSMTZFTSTZFMTQXAIQZUTIJTTSTQWRTHETLTMTZFTYZFZMZW
ALL WARFARE IS BASED ON DECEPTION HENCE WHEN ABLE TO ATTACK WE MUST SEEM UNABLE WHEN USING OUR FORCES WE MUST SEEM INACTIVE WHEN WE ARE NEAR WE MUST MAKE THE ENEMY BELIEVE WE ARE FAR AWAY
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "AXUM" }
advanced
en
151
151
cipher_museum
2.0
public
null
null
autokey-v2-0399
PESAWVKCRZB
PESAWVKCRZB
KNOW THYSELF
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
11
11
cipher_museum
2.0
public
null
null
cda-0011874
FZFV ATZW UIOO FIEW COIS OIUU ULSI CUNS EINI PRFW VMZ
FZFV ATZW UIOO FIEW COIS OIUU ULSI CUNS EINI PRFW VMZ
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL HONESTLY
gronsfeld
gronsfeld
null
{ "key": "141421" }
medium
en
43
43
synthetic_educational
null
null
[]
rail-fence-220
WIEALUEFGHBSNALSRRSLHTEEDHNRREHLTNAHWSEEEDAOCEVN
WIEALUEFGHBSNALSRRSLHTEEDHNRREHLTNAHWSEEEDAOCEVN
WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 5 }
intermediate
en
48
48
cipher_museum
0.2
public
null
null
lorenz-v3-0417
THEOMLYTHINGNECESSARYFORTHETRIUMPHOFEVILISFORHOODMENTODONOTHINGATALL
THEOMLYTHINGNECESSARYFORTHETRIUMPHOFEVILISFORHOODMENTODONOTHINGATALL
THE ONLY THING NECESSARY FOR THE TRIUMPH OF EVIL IS FOR GOOD MEN TO DO NOTHING AT ALL
lorenz
lorenz
machine
{ "type": "seed", "value": "STURGEON" }
expert
en
68
68
cipher_museum
2.0
public
null
null
monoalphabetic-v3-0843
VUR IVPEV CPVSEV MHRJV
VUR IVPEV CPVSEV MHRJV
AVE MARIA GRATIA PLENA
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "VALOR" }
beginner
en
19
22
cipher_museum
2.0
public
null
null
copiale-v2-0121
B5 M6 O4 R1 H7 A4 O0 Q6 O0 R8 G9 Q6 C7 C8 X0 L6 Y0 O1 K8 O9 C5 L9 K7 P9 L9 M2 L6 K4 N7 K3 P2 T4 T2 P9 M2 O8 K3 K3 C7 L6 B6 O5 O0 L6 S1 N7 M6 S6 M9 R8 T7 Q6 C4 N3 B6 A6 S6 S3 R7 B3 K3 R1 O2 C9 U6 Y0 O1 R5 N7 C8 M8 T0 V4 Q7 C9 R7 G6 S1 B7 Q6 B8 T0 O5 L6 A2 O1 O1 K4 B2 Q6 X2 X0 I6 Y6 U4 T1 R1 N2 P6 C4 O3 C2 Y0 A9 R1 C1 M2...
B5 M6 O4 R1 H7 A4 O0 Q6 O0 R8 G9 Q6 C7 C8 X0 L6 Y0 O1 K8 O9 C5 L9 K7 P9 L9 M2 L6 K4 N7 K3 P2 T4 T2 P9 M2 O8 K3 K3 C7 L6 B6 O5 O0 L6 S1 N7 M6 S6 M9 R8 T7 Q6 C4 N3 B6 A6 S6 S3 R7 B3 K3 R1 O2 C9 U6 Y0 O1 R5 N7 C8 M8 T0 V4 Q7 C9 R7 G6 S1 B7 Q6 B8 T0 O5 L6 A2 O1 O1 K4 B2 Q6 X2 X0 I6 Y6 U4 T1 R1 N2 P6 C4 O3 C2 Y0 A9 R1 C1 M2...
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
copiale
copiale
substitution
{ "type": "keyword", "value": "MASONIC" }
advanced
en
300
449
cipher_museum
2.0
public
null
null
gronsfeld-v2-0044
DPXBSETEJFNBOZUJNFTCFGPSFUIFJSEFBUITUIFWBMJBOUOFWFSUBTUFEFBUICVUPODF
DPXBSETEJFNBOZUJNFTCFGPSFUIFJSEFBUITUIFWBMJBOUOFWFSUBTUFEFBUICVUPODF
COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "11111" }
intermediate
en
68
68
cipher_museum
2.0
public
null
null
bazeries-v3-0407
HMFYAQRGGBVXAQPPJMVFGYTYUBMYMFBIJQMYYQFQAEJIYUYGQDRJGRVIYHYAMFRGGBXGIJXMVMBYAQPIJKFYMAQTIFPXFTYYBQFMNJMFHPIJQSJMARJTIFPYBQRYCOGBVPYUPBTYOGQSOBMQJRJQTYYTIFHHAQQFPMPPJMRYEIB
HMFYAQRGGBVXAQPPJMVFGYTYUBMYMFBIJQMYYQFQAEJIYUYGQDRJGRVIYHYAMFRGGBXGIJXMVMBYAQPIJKFYMAQTIFPXFTYYBQFMNJMFHPIJQSJMARJTIFPYBQRYCOGBVPYUPBTYOGQSOBMQJRJQTYYTIFHHAQQFPMPPJMRYEIB
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
bazeries
bazeries
transposition
{ "type": "integer", "value": 41 }
advanced
en
171
171
cipher_museum
2.0
public
null
null
adfgx-v2-0507
GGDXGFDGDDGFGDGXXXAGGADFAGXXDDDFADXAAFDDGAXADDFD
GGDXGFDGDDGFGDGXXXAGGADFAGXXDDDFADXAAFDDGAXADDFD
TORPEDO AWAY ALL HANDS BRACE
adfgx
adfgx
fractionation
{ "polybius": "WISDOM", "columnar": "COURAGE" }
advanced
en
48
48
cipher_museum
2.0
public
null
null
m94-v3-0061
IUQWQUNQRMCNZNZIZCKUWBTKRIVBORRLIOQCZXYWPLIMCXOUQIJBUUYHXXXTNZMLWFMXFLCFOVPQ
IUQWQUNQRMCNZNZIZCKUWBTKRIVBORRLIOQCZXYWPLIMCXOUQIJBUUYHXXXTNZMLWFMXFLCFOVPQ
AT THE BATTLE OF MIDWAY AMERICAN DIVE BOMBERS DESTROYED FOUR JAPANESE CARRIERS IN MINUTES
m94
m94
machine
{ "type": "seed", "value": "ARMY" }
expert
en
76
76
cipher_museum
2.0
public
null
null
alberti-disk-016
PWIDPEGRFQLWFJFQAN
PWIDPEGRFQLWFJFQAN
SEND REINFORCEMENTS
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 3 }
expert
en
18
18
cipher_museum
0.2
public
null
null
kryptos-v3-0012
JZYJRMWM
JZYJRMWM
DEUS VULT
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "SHADOW" }
advanced
en
8
8
cipher_museum
2.0
public
null
null
aeneas-tacticus-v3-0038
13 5 1 19 21 18 5 20 23 9 3 5 3 21 20 15 14 3 5
13 5 1 19 21 18 5 20 23 9 3 5 3 21 20 15 14 3 5
MEASURE TWICE CUT ONCE
aeneas_tacticus
aeneas_tacticus
steganography
{ "type": "none", "value": null }
expert
en
29
47
cipher_museum
2.0
public
null
null
enigma-v3-0102
PZUVYQQLZWHACVXWVOANKAJDVWCBJTOUMJGFTRKVOZZFRTBRBDILHDDWKRTBNCHTFVMBMLHBNZDORCJUNLMKDFKORZIDAHSQLONJAEOLEPWWIKBHPNTRKPAHZTOBHMJGHLPVIMZUVWSNSGXJFCWLWAHOKQPUTUWGDTHMY
PZUVYQQLZWHACVXWVOANKAJDVWCBJTOUMJGFTRKVOZZFRTBRBDILHDDWKRTBNCHTFVMBMLHBNZDORCJUNLMKDFKORZIDAHSQLONJAEOLEPWWIKBHPNTRKPAHZTOBHMJGHLPVIMZUVWSNSGXJFCWLWAHOKQPUTUWGDTHMY
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
enigma
enigma
machine
{ "type": "rotor_start", "value": "ABC" }
expert
en
165
165
cipher_museum
2.0
public
null
null
scytale-v3-0395
TTEKBSORYEEHOOEESTITRREFPEAHBNHANRTLPRAEGELMIHEAALIEFGEGETNRLNDEONHPODMNFBDVT
TTEKBSORYEEHOOEESTITRREFPEAHBNHANRTLPRAEGELMIHEAALIEFGEGETNRLNDEONHPODMNFBDVT
THE RIGHT OF THE PEOPLE TO KEEP AND BEAR ARMS SHALL NOT BE INFRINGED BY THE FEDERAL GOVERNMENT
scytale
scytale
transposition
{ "type": "integer", "value": 11 }
intermediate
en
77
77
cipher_museum
2.0
public
null
null
cda-0015385
06309 02598 01626 03504 00317 05977 2918 06031 03513 02863 01607 07633 0409 4159 02826 04424 0358 06312 2830 04779 4457 1935 02844 04447 1283 06015 05708 01658 5106 01607 00398 6302 1602 01265 6334 05717 2833 02263 05682 0390 04113 5968 2827 04453 0963 2866 5053 02537 1595 05693 06343 1660 07606 06283
06309 02598 01626 03504 00317 05977 2918 06031 03513 02863 01607 07633 0409 4159 02826 04424 0358 06312 2830 04779 4457 1935 02844 04447 1283 06015 05708 01658 5106 01607 00398 6302 1602 01265 6334 05717 2833 02263 05682 0390 04113 5968 2827 04453 0963 2866 5053 02537 1595 05693 06343 1660 07606 06283
THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT
zimmermann
zimmermann
null
{}
medium
en
54
54
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
straddling-checkerboard-v3-0129
2126986626237242843744
2126986626237242843744
CHART THE UNKNOWN
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "LIONSTRACE" }
advanced
en
22
22
cipher_museum
2.0
public
null
null
monoalphabetic-vi-0049
RDA KMJA LB RDA ILPE FQ M QRPLKC RLWAP RDA PFCDRALTQ PTK RL FR MKE MPA QMBA BPLJ MII RDAFP AKAJFAQ
RDA KMJA LB RDA ILPE FQ M QRPLKC RLWAP RDA PFCDRALTQ PTK RL FR MKE MPA QMBA BPLJ MII RDAFP AKAJFAQ
THE NAME OF THE LORD IS A STRONG TOWER THE RIGHTEOUS RUN TO IT AND ARE SAFE FROM ALL THEIR ENEMIES
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "MUSEUM" }
beginner
en
78
98
cipher_museum
2.0
public
null
null
nihilist-v3-0187
62 57 29 26 59 83 77 84 36 47 28 46 75 77 82 47 47 35 70 63 68 54 36 26 35 58 54 76 65 36 56 67 48 57 60 53 57 65 59 48 54 56 64 36 47 28 36 84 50 56 36 47 56 76 74 68 52 60 56 45 68 56 58 55 29 37 55 50 83 77 52 57 45 28 77 54 46 52 57 46 26 77 56 57 73 66 37 55 39 96 78 45 39 35 28 50 56 76 56 36 47 28 66 87 68 54 26...
62 57 29 26 59 83 77 84 36 47 28 46 75 77 82 47 47 35 70 63 68 54 36 26 35 58 54 76 65 36 56 67 48 57 60 53 57 65 59 48 54 56 64 36 47 28 36 84 50 56 36 47 56 76 74 68 52 60 56 45 68 56 58 55 29 37 55 50 83 77 52 57 45 28 77 54 46 52 57 46 26 77 56 57 73 66 37 55 39 96 78 45 39 35 28 50 56 76 56 36 47 28 66 87 68 54 26...
FOR I KNOW THE THOUGHTS THAT I THINK TOWARD YOU SAITH THE LORD THOUGHTS OF PEACE AND NOT OF EVIL TO GIVE YOU AN EXPECTED END THEN SHALL YE CALL UPON ME AND YE SHALL GO AND PRAY UNTO ME AND I WILL HEARKEN
nihilist
nihilist
fractionation
{ "polybius": "LIBERTY", "keyword": "FREEDOM" }
advanced
en
320
479
cipher_museum
2.0
public
null
null
caesar-340
AI WLEPP JMKLX SR XLI FIEGLIW ERH AI WLEPP RIZIV WYVVIRHIV
AI WLEPP JMKLX SR XLI FIEGLIW ERH AI WLEPP RIZIV WYVVIRHIV
WE SHALL FIGHT ON THE BEACHES AND WE SHALL NEVER SURRENDER
caesar
caesar
substitution
{ "type": "shift", "value": 4 }
beginner
en
48
58
cipher_museum
0.2
public
null
null
fialka-v3-0274
UALCQGKRQOTLHAVCQKSHMVFBQDHMJHCOCTJSLTWVDEVZKGJSWNEFGJIHJOEFTOIZZEKQFYPYHH
UALCQGKRQOTLHAVCQKSHMVFBQDHMJHCOCTJSLTWVDEVZKGJSWNEFGJIHJOEFTOIZZEKQFYPYHH
GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN
fialka
fialka
machine
{ "type": "seed", "value": "SOVIET" }
expert
en
74
74
cipher_museum
2.0
public
null
null
beaufort-fr-054
YRNDKCZQIZLFYMNDKCYR
YRNDKCZQIZLFYMNDKCYR
UN POUR TOUS TOUS POUR UN
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "SECRET" }
intermediate
fr
20
20
cipher_museum
0.2
public
null
null
caesar-de-028
JVE FVAQ QNF IBYX
JVE FVAQ QNF IBYX
WIR SIND DAS VOLK
caesar
caesar
substitution
{ "type": "shift", "value": 13 }
beginner
de
14
17
cipher_museum
0.2
public
null
null
kama-sutra-v2-0476
FR FYQNAMN KOYVREM FN CNOCFN DNAX OE RDNEYA TNYFFNOA NM CFOX HOXMN CUOA MUOX FNX JUTTNX FYQANX
FR FYQNAMN KOYVREM FN CNOCFN DNAX OE RDNEYA TNYFFNOA NM CFOX HOXMN CUOA MUOX FNX JUTTNX FYQANX
LA LIBERTE GUIDANT LE PEUPLE VERS UN AVENIR MEILLEUR ET PLUS JUSTE POUR TOUS LES HOMMES LIBRES
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
78
94
cipher_museum
2.0
public
null
null
trithemius-060
CSASXFTHTHCTE VG IXV SKN JB YPDALKQK HUKMB GTFUCJJ KZX EZU XLC IU JDW GKLV YBLOGWRUU XHL VO IMMG BU WLJXL PJFP NRSC SFVXM OK YPDAL VKI MOZBXBJ AS QGOGLHFJCV GR A CCWXQK VN FSEE
CSASXFTHTHCTE VG IXV SKN JB YPDALKQK HUKMB GTFUCJJ KZX EZU XLC IU JDW GKLV YBLOGWRUU XHL VO IMMG BU WLJXL PJFP NRSC SFVXM OK YPDAL VKI MOZBXBJ AS QGOGLHFJCV GR A CCWXQK VN FSEE
CRYPTANALYSIS IS THE ART OF BREAKING CODES WITHOUT THE KEY AND IT HAS BEEN PRACTICED FOR AS LONG AS THERE HAVE BEEN CODES TO BREAK THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS
trithemius
trithemius
polyalphabetic
{ "type": "none", "value": null }
beginner
en
143
176
cipher_museum
0.2
public
null
null
kama-sutra-v2-0480
FYQNAMÉ ÉKRFYMÉ LARMNAEYMÉ UO FR TUAM PNX TUMX VÉLYEYXXNEM FR ANDUFOMYUE LAREÇRYXN VN TYF XNCM
FYQNAMÉ ÉKRFYMÉ LARMNAEYMÉ UO FR TUAM PNX TUMX VÉLYEYXXNEM FR ANDUFOMYUE LAREÇRYXN VN TYF XNCM
LIBERTÉ ÉGALITÉ FRATERNITÉ OU LA MORT CES MOTS DÉFINISSENT LA REVOLUTION FRANÇAISE DE MIL SEPT
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
80
94
cipher_museum
2.0
public
null
null
morse-code-057
.. - / .. ... / .-. .- - .... . .-. / ..-. --- .-. / ..- ... / - --- / -... . / .... . .-. . / -.. . -.. .. -.-. .- - . -.. / - --- / - .... . / --. .-. . .- - / - .- ... -.- / .-. . -- .- .. -. .. -. --. / -... . ..-. --- .-. . / ..- ... / - .... .- - / ..-. .-. --- -- / - .... . ... . / .... --- -. --- .-. . -.. / -....
.. - / .. ... / .-. .- - .... . .-. / ..-. --- .-. / ..- ... / - --- / -... . / .... . .-. . / -.. . -.. .. -.-. .- - . -.. / - --- / - .... . / --. .-. . .- - / - .- ... -.- / .-. . -- .- .. -. .. -. --. / -... . ..-. --- .-. . / ..- ... / - .... .- - / ..-. .-. --- -- / - .... . ... . / .... --- -. --- .-. . -.. / -....
IT IS RATHER FOR US TO BE HERE DEDICATED TO THE GREAT TASK REMAINING BEFORE US THAT FROM THESE HONORED DEAD WE TAKE INCREASED DEVOTION TO THAT CAUSE FOR WHICH THEY GAVE THE LAST FULL MEASURE
morse_code
morse_code
encoding
{ "type": "none", "value": null }
beginner
en
408
597
cipher_museum
0.2
public
null
null
cardano-autokey-v3-0288
YBGUVGHFYBGMNVVGXPWTOKRPGKGTALVZVTXVPTMWGBCTVJGBNLNQBGTCVTNQKBGMNFGILTGWAVGALJNMPO
YBGUVGHFYBGMNVVGXPWTOKRPGKGTALVZVTXVPTMWGBCTVJGBNLNQBGTCVTNQKBGMNFGILTGWAVGALJNMPO
HUMINT OR HUMAN INTELLIGENCE GATHERING RELIES ON PERSONAL CONTACT AND HUMAN SOURCES IN THE FIELD
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "ROME" }
advanced
en
82
82
cipher_museum
2.0
public
null
null
four-square-v3-0474
ALFOLQWMMAKQGTLLHSDAQDDNZOQBLSKCSCRLFKURSUGSDDGBRLQDDNFOYBGOVYCBSBZOWUFURSEUNULORDLOYEFHQDDNCSQBLSKCOODKLOONKBZCQPWHFCYPCBQUDNIFGSBRWHALLANORDZCORCGLUPKGSWHOSRY
ALFOLQWMMAKQGTLLHSDAQDDNZOQBLSKCSCRLFKURSUGSDDGBRLQDDNFOYBGOVYCBSBZOWUFURSEUNULORDLOYEFHQDDNCSQBLSKCOODKLOONKBZCQPWHFCYPCBQUDNIFGSBRWHALLANORDZCORCGLUPKGSWHOSRY
IMMANUEL KANT PROPOSED THAT WE SHOULD ACT ONLY ACCORDING TO THAT MAXIM BY WHICH WE CAN AT THE SAME TIME WILL THAT IT SHOULD BECOME A UNIVERSAL LAW THIS CATEGORICAL IMPERATIVE DEFINES MORAL DUTY
four_square
four_square
polygraphic
{ "key1": "WISDOM", "key2": "COURAGE" }
advanced
en
160
160
cipher_museum
2.0
public
null
null
porta-v2-0234
BXAUQWUVVSEGHTEUEFAXIXLWVURIRGFTMJPRYFRKUYWCULXFBREGNSCQVNGRJPBWUXATMHBKFFXSEPTLVXQKYXFFKDAEZMNBHFMNXHVBQKUXIMJZDRRINVHFMWXHQDGKUXMPLXIABAFHHRD
BXAUQWUVVSEGHTEUEFAXIXLWVURIRGFTMJPRYFRKUYWCULXFBREGNSCQVNGRJPBWUXATMHBKFFXSEPTLVXQKYXFFKDAEZMNBHFMNXHVBQKUXIMJZDRRINVHFMWXHQDGKUXMPLXIABAFHHRD
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
porta
porta
polyalphabetic
{ "type": "keyword", "value": "RENAISSANCE" }
intermediate
en
143
143
cipher_museum
2.0
public
null
null
cda-0013375
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 COLUMNAR TRANSPOSITION READS COLUMNS IN KEY ORDER DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY CAREFULLY
navajo_code
navajo_code
null
{}
hard
en
211
211
synthetic_educational
null
null
[ "codebook_frequency", "word_list_attack" ]
Navajo Code Talker cipher: Navajo words represent English letters.
cda-0020880
66 36 82 57 50 20 80 68 80 43 65 80 82 61 82 80 95 82 61 55 29 69 89 57 82 11 25 82 76 69 80 66 36 82 52 69 77 77 59 29 50 66 43 82 95 82 80 43 61 43 61 66 82 77 29 82 82 11 61 68 29 36 69 29 82 61 66 66 36 80 82 68 66 77 69 11 82 57 66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66...
66 36 82 57 50 20 80 68 80 43 65 80 82 61 82 80 95 82 61 55 29 69 89 57 82 11 25 82 76 69 80 66 36 82 52 69 77 77 59 29 50 66 43 82 95 82 80 43 61 43 61 66 82 77 29 82 82 11 61 68 29 36 69 29 82 61 66 66 36 80 82 68 66 77 69 11 82 57 66 36 82 20 82 61 66 57 82 61 61 69 29 61 61 36 69 89 89 36 82 80 82 66 36 82 77 82 66...
THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE BEST LESSONS SHOW WHERE THE METHOD FAILS SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY
wallis_cipher
wallis_cipher
null
{}
hard
en
156
156
synthetic_educational
null
null
[ "number_substitution_decode", "frequency_analysis" ]
Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.
purple-v2-0356
DACAHQVTJJHZGVVLKALJVBEXXQEGCKYHZGVEXGRYLDMGVSQPFUVOMKYCBEHEEOHYLUEZYJDLJNAMQYTNIRLIJM
DACAHQVTJJHZGVVLKALJVBEXXQEGCKYHZGVEXGRYLDMGVSQPFUVOMKYCBEHEEOHYLUEZYJDLJNAMQYTNIRLIJM
HEADQUARTERS CONFIRMS THAT THE INTELLIGENCE REPORT IS ACCURATE AND REQUIRES IMMEDIATE SWIFT ACTION
purple
purple
machine
{ "type": "seed", "value": "SAKURA" }
expert
en
86
86
cipher_museum
2.0
public
null
null
solitaire-v2-0153
LTWOTGJBMTAYM
LTWOTGJBMTAYM
HONOR ABOVE ALL
solitaire
solitaire
stream
{ "type": "passphrase", "value": "SCHNEIER" }
expert
en
13
13
cipher_museum
2.0
public
null
null
alberti-disk-v3-0569
LWFHWSIDMLOVQXBKPJIADQEFBXKWMHBNMWFMWSQZSBIRIWVWTDQWVJKXDSBCKRPPOUEDTMY
LWFHWSIDMLOVQXBKPJIADQEFBXKWMHBNMWFMWSQZSBIRIWVWTDQWVJKXDSBCKRPPOUEDTMY
IT WAS A BRIGHT COLD DAY IN APRIL AND THE CLOCKS WERE STRIKING THIRTEEN ACROSS THE CITY
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 14 }
expert
en
71
71
cipher_museum
2.0
public
null
null
cda-0012480
. . .... ... .... .... .... .. ... .... ... ... .. .. . ... ... . . . .. .... ... .. ... ... . ..... . ..... . .... .... ... .... ... .... .... .... .. ... .... ... ... .. .. . ..... ..... . .. .... . .... . ..... ... ... . ... . ..... .... .... .. ... . ..... . .. . ..... .... ... ...
. . .... ... .... .... .... .. ... .... ... ... .. .. . ... ... . . . .. .... ... .. ... ... . ..... . ..... . .... .... ... .... ... .... .... .... .. ... .... ... ... .. .. . ..... ..... . .. .... . .... . ..... ... ... . ... . ..... .... .... .. ... . ..... . .. . ..... .... ... ...
A STRONG CLAIM NEEDS STRONG EVIDENCE THE BEST LESSONS SHOW WHERE THE METHOD FAILS
tap_code
tap_code
null
{}
medium
en
68
68
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.
voynich-render-v3-0043
ldxxohd qdydkvde yfdoqfu
ldxxohd qdydkvde yfdoqfu
MESSAGE RECEIVED CLEARLY
voynich_render
voynich_render
substitution
{ "type": "none", "value": null }
expert
en
22
24
cipher_museum
2.0
public
null
null
jn25-v2-0022
26183 26188 26101 26188 26183 26184 26180 26193 26183 26182 26194 26193 26196 26100 26184 26197
26183 26188 26101 26188 26183 26184 26180 26193 26183 26182 26194 26193 26196 26100 26184 26197
DIVIDE AND CONQUER
jn25
jn25
codebook
{ "type": "additive", "value": "16180" }
expert
en
80
95
cipher_museum
2.0
public
null
null
cda-0010171
TIGY MLKU MAON UCVT HLKX MVNB NDAU KQKP KFEX BOPB BDJT GGZP OBMA FVUF EYOV VFSE TRBR HPHM CJJ
TIGY MLKU MAON UCVT HLKX MVNB NDAU KQKP KFEX BOPB BDJT GGZP OBMA FVUF EYOV VFSE TRBR HPHM CJJ
THE VIGENERE CIPHER USES A REPEATING KEYWORD DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION
trithemius
trithemius
null
{}
medium
en
75
75
synthetic_educational
null
null
[]
cda-0014752
PRVVQAODBJDCEZDJBRUJXDMRAWAGCZVLCBVBUHCAYKMGYRZPPQACITHTQVNUNPNXHHUHMGRUOKGYTNPCVDRDWEKSVBCETCTTNGIFPCDPGSWQBNULBJGXSTWISZDSFRAOSFQLXDJDZASQRJPOUGAJTVLBN
PRVVQAODBJDCEZDJBRUJXDMRAWAGCZVLCBVBUHCAYKMGYRZPPQACITHTQVNUNPNXHHUHMGRUOKGYTNPCVDRDWEKSVBCETCTTNGIFPCDPGSWQBNULBJGXSTWISZDSFRAOSFQLXDJDZASQRJPOUGAJTVLBN
BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER POLYBIUS ENCODED LETTERS AS PAIRS OF NUMBERS FROM ONE TO FIVE
one_time_pad
one_time_pad
null
{}
hard
en
153
153
synthetic_educational
null
null
[ "information_theoretic_proof", "key_reuse_attack" ]
One-time pad: theoretically unbreakable if key is truly random and never reused.
red-type-a-126
QJIQAELYDVHOSZIJ
QJIQAELYDVHOSZIJ
PROCEED AS PLANNED
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "SECRET" }
advanced
en
16
16
cipher_museum
0.2
public
null
null
great-cipher-030
139 165 174 167 113 168 159 182 138
139 165 174 167 113 168 159 182 138
RALLY AT DAWN
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "LOUIS" }
expert
en
27
35
cipher_museum
0.2
public
null
null
typex-v2-0047
QQCYBKFZRGUVEUXMCSWTNDHZFUMNCDYDUZKTVJXHUYQQBHSLZMTZHQOFPFHYKVJYZG
QQCYBKFZRGUVEUXMCSWTNDHZFUMNCDYDUZKTVJXHUYQQBHSLZMTZHQOFPFHYKVJYZG
WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP
typex
typex
machine
{ "type": "keyword", "value": "LONDON" }
expert
en
66
66
cipher_museum
2.0
public
null
null
porta-v2-0754
AYMESPAMRQSVNRIWRXRMPIYQXKBTQWWEECBYQNRMTNGRIPTTNBKNZSNWVGQNWNMRAMUUGWGRTLKUAFRMXVBVAPBGFSKRWBIWRGGMUGYQSMPUYSPFWBIZVKZNGTMUWXRWRKMVHAJIRKNBPBGSJKGPGCXRONALHWPWYQYQ
AYMESPAMRQSVNRIWRXRMPIYQXKBTQWWEECBYQNRMTNGRIPTTNBKNZSNWVGQNWNMRAMUUGWGRTLKUAFRMXVBVAPBGFSKRWBIWRGGMUGYQSMPUYSPFWBIZVKZNGTMUWXRWRKMVHAJIRKNBPBGSJKGPGCXRONALHWPWYQYQ
ULTRA INTELLIGENCE DERIVED FROM DECRYPTED GERMAN ENIGMA TRAFFIC INDICATES THAT ENEMY PANZER DIVISIONS ARE CONCENTRATED AT CALAIS CONFIRMING THE DECEPTION OPERATION FORTITUDE HAS SUCCEEDED
porta
porta
polyalphabetic
{ "type": "keyword", "value": "PAPAL" }
intermediate
en
164
164
cipher_museum
2.0
public
null
null
vic-v2-0209
90834866236824285090610897591486881090898185889083404939085888648085829118060248995899048480451924889085680841886589841908308593
90834866236824285090610897591486881090898185889083404939085888648085829118060248995899048480451924889085680841886589841908308593
THE PACKAGE CONTAINS BLUEPRINTS FOR THE NEW TORPEDO GUIDANCE SYSTEM DELIVER TO ADMIRAL SMITH NOW
vic
vic
substitution
{ "type": "keyword", "value": "NICKEL" }
advanced
en
128
128
cipher_museum
2.0
public
null
null
cda-0002994
TPEBFCTURTAHEDIESLYEACIONSAKDXXCALTETHLBOXXRLYEIMOUERXXEINRE
TPEBFCTURTAHEDIESLYEACIONSAKDXXCALTETHLBOXXRLYEIMOUERXXEINRE
THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY
stager_route
stager_route
null
{ "cols": 10 }
medium
en
60
60
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
cda-0011904
SRUGH VTHTA CTQQG VRPQW AQMKL WDCLM IDRLW JVIFG AXZWX MMOCY MBRUL NRLKX CZOBT QWLZD VGXEX IIGWH SKDWF SCCMB IAVFH SWRJX BWXQG FUNOP QVJGB QTOIP EPJMZ IUKYU VGESK LXFHI IQNIN RMOGS EGPBV XBWPK VSLBF
SRUGH VTHTA CTQQG VRPQW AQMKL WDCLM IDRLW JVIFG AXZWX MMOCY MBRUL NRLKX CZOBT QWLZD VGXEX IIGWH SKDWF SCCMB IAVFH SWRJX BWXQG FUNOP QVJGB QTOIP EPJMZ IUKYU VGESK LXFHI IQNIN RMOGS EGPBV XBWPK VSLBF
KERCKHOFFS PRINCIPLE SAYS THE SYSTEM MUST BE SECURE EVEN IF ENEMY KNOWS ALGORITHM BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER
running_key
running_key
null
{}
hard
en
165
165
synthetic_educational
null
null
[ "index_of_coincidence", "probable_plaintext" ]
Running-key cipher: Vigenère with a very long key (e.g. a book passage).
nomenclator-v3-0004
60 12 05 07 09 15 14 19 19 20 01 14 04 18 05 01 04 25
60 12 05 07 09 15 14 19 19 20 01 14 04 18 05 01 04 25
THE LEGIONS STAND READY
nomenclator
nomenclator
nomenclator
{ "type": "none", "value": null }
expert
en
36
53
cipher_museum
2.0
public
null
null
joseon-yeokhak-v2-0308
TVYZHYZEHSLENZFCDPZESPCDXLJELVPMFELDQZCXPRTGPXPWTMPCEJZCRTGPXPOPLES
TVYZHYZEHSLENZFCDPZESPCDXLJELVPMFELDQZCXPRTGPXPWTMPCEJZCRTGPXPOPLES
I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "HANGUL" }
beginner
en
67
67
cipher_museum
2.0
public
null
null
wheatstone-v3-0215
JBPIDSLVEISLPY
JBPIDSLVEISLPY
MARCH TO VICTORY
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "BRITAIN" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
cda-0013718
UUIZT ABGCH ZYPTP YJRQD EUZDO ZUXAE OWYBZ KQAOL AWISY BDRQT ZWXOF FEQHK DJERW YGVCC XTSMN LTOEZ FYTSQ HKBIA ADKI
UUIZT ABGCH ZYPTP YJRQD EUZDO ZUXAE OWYBZ KQAOL AWISY BDRQT ZWXOF FEQHK DJERW YGVCC XTSMN LTOEZ FYTSQ HKBIA ADKI
THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION
vernam
vernam
null
{}
hard
en
94
94
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
copiale-v2-0185
U3 D5 K7 L1 E8 S0 G3 O9 C6 K4 M4 E1 M7 F7 G4 O5 D5 I1 Q4 E8 G0 L5 F0 L7 E5 L2 P2 E9 O0 L7 L5 D6 G5 S0 O9 O3 Q3 L5 Q2 K1 L2 Y6 L1 P8 S0 D8 F7 O7 C6 E6 K4 Q3 X6 L8 Z3 O4 O7 F6 M2 E6 N3 C6 F1 E1 O5 D5 B4 O3 O0 G5 N3 L7
U3 D5 K7 L1 E8 S0 G3 O9 C6 K4 M4 E1 M7 F7 G4 O5 D5 I1 Q4 E8 G0 L5 F0 L7 E5 L2 P2 E9 O0 L7 L5 D6 G5 S0 O9 O3 Q3 L5 Q2 K1 L2 Y6 L1 P8 S0 D8 F7 O7 C6 E6 K4 Q3 X6 L8 Z3 O4 O7 F6 M2 E6 N3 C6 F1 E1 O5 D5 B4 O3 O0 G5 N3 L7
WE SHALL FIGHT ON THE BEACHES AND WE SHALL FIGHT ON THE LANDING GROUNDS AND IN THE FIELDS
copiale
copiale
substitution
{ "type": "keyword", "value": "TEMPLE" }
advanced
en
144
215
cipher_museum
2.0
public
null
null