id
stringlengths
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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
monoalphabetic-v3-0570
CK JY ROACKKCKA CS JY OKD FKD CK JY OKD CS JY ROACKKCKA FS TBO PUOOK LM SELTS HKOW WOII
CK JY ROACKKCKA CS JY OKD FKD CK JY OKD CS JY ROACKKCKA FS TBO PUOOK LM SELTS HKOW WOII
IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "FREEDOM" }
beginner
en
68
87
cipher_museum
2.0
public
null
null
cda-0014681
.. .. ... .... ... .... . .... . ..... . .... .... ..... . ... . . .... .... .. .... ... .... ... ... . . ... . .... .... ... .... ... .... ... . .... ... . ..... ..... ... ... ..... ... . . . .. .... ... ... .... .... .. ... . ..... .. .... .... .. ... . .. .... ... .. .. .... .... ...
.. .. ... .... ... .... . .... . ..... . .... .... ..... . ... . . .... .... .. .... ... .... ... ... . . ... . .... .... ... .... ... .... ... . .... ... . ..... ..... ... ... ..... ... . . . .. .... ... ... .... .... .. ... . ..... .. .... .... .. ... . .. .... ... .. .. .... .... ...
GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS THE FRIEDMAN TEST USES THE INDEX OF COINCIDENCE TO ESTIMATE KEY LENGTH DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX TODAY
tap_code
tap_code
null
{}
hard
en
214
214
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.
cda-0016595
FINA LROU TEIS SUEE XTRA DRIV EMAJ ORAF TERN ORTH EXTR ASHO RETA KESI NCUR MILE SALE RTTH REEE XTRA DEPO TKNI FEEI GHTY OUNG LOWE REXT RANI GHTG UIDE TROO P
FINA LROU TEIS SUEE XTRA DRIV EMAJ ORAF TERN ORTH EXTR ASHO RETA KESI NCUR MILE SALE RTTH REEE XTRA DEPO TKNI FEEI GHTY OUNG LOWE REXT RANI GHTG UIDE TROO P
FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS THE VIGENERE CIPHER USES A REPEATING KEYWORD
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.
jefferson-disk-v3-0006
SIIRZGIVSNXSLFCY
SIIRZGIVSNXSLFCY
THE GATES HOLD FIRM
jefferson_disk
jefferson_disk
disk
{ "type": "disk_order", "value": "4,2,6,1,3,5" }
expert
en
16
16
cipher_museum
2.0
public
null
null
kryptos-v2-0017
INLUIILQGLMBMNXRDQF
INLUIILQGLMBMNXRDQF
CODED MESSAGE FOLLOWS
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "SHADOW" }
advanced
en
19
19
cipher_museum
2.0
public
null
null
playfair-v2-0220
LFUOOBHEEBFTAMMNDRTRUODHKDFNNMPHDBRKAWBVAGDHIDRZOUBTXQEFLZBGMHOKODXRXBFWDLBKNIFTBLCG
LFUOOBHEEBFTAMMNDRTRUODHKDFNNMPHDBRKAWBVAGDHIDRZOUBTXQEFLZBGMHOKODXRXBFWDLBKNIFTBLCG
GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK
playfair
playfair
polygraphic
{ "type": "keyword", "value": "FORTRESS" }
intermediate
en
84
84
cipher_museum
2.0
public
null
null
affine-vf-0045
WSR ZCDZTLHTRE XBUIN WSR NMEBUJ
WSR ZCDZTLHTRE XBUIN WSR NMEBUJ
THE CLOCKMAKER WINDS THE SPRING
affine
affine
substitution
{ "a": 9, "b": 7 }
beginner
en
27
31
cipher_museum
2.0
public
null
null
cardano-autokey-v2-0395
XQRHHPQWKSGKJTZWZKO
XQRHHPQWKSGKJTZWZKO
CODED MESSAGE FOLLOWS
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "VENICE" }
advanced
en
19
19
cipher_museum
2.0
public
null
null
cda-0015309
ECDC USVT AHSI CYZN LXOO BXPO GXUF NRVU SXZW RKQS QEIV QCCT ACWU QWHR JEED CLKB ZFWX CXJD POXQ KECO PMDV IQMR HQTW TYEP SLBN NZSL JOAC XREI CLRG PAAR MIUL TVLY YYUJ YZSJ GFVR OOGV BHPU QUZM EHIO QAU
ECDC USVT AHSI CYZN LXOO BXPO GXUF NRVU SXZW RKQS QEIV QCCT ACWU QWHR JEED CLKB ZFWX CXJD POXQ KECO PMDV IQMR HQTW TYEP SLBN NZSL JOAC XREI CLRG PAAR MIUL TVLY YYUJ YZSJ GFVR OOGV BHPU QUZM EHIO QAU
BRUTE FORCE WORKS ONLY WHEN THE KEY SPACE IS SMALL DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX THE AUTOKEY CIPHER EXTENDS THE KEY WITH THE PLAINTEXT ITSELF
vernam
vernam
null
{}
hard
en
159
159
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
playfair-v2-0883
NTXWPOPNLBTEYCISQLEGTZGSTMLBCPPERWTLMPTWNZPNEZGSTMWIUWRWCTOQMPOSPFWPEGFOCVBS
NTXWPOPNLBTEYCISQLEGTZGSTMLBCPPERWTLMPTWNZPNEZGSTMWIUWRWCTOQMPOSPFWPEGFOCVBS
TRUST IN THE LORD WITH ALL THINE HEART AND LEAN NOT UNTO THINE OWN UNDERSTANDING IN ALL WAYS
playfair
playfair
polygraphic
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
76
76
cipher_museum
2.0
public
null
null
confederate-vigenere-v2-0192
KPGMQOERWBJLXCEGZAVOQPRJZVPPZUBINQUKAANQUSPVIZRGXMQMFVRKFTAVZSVVLVFLDGGDELKUS
KPGMQOERWBJLXCEGZAVOQPRJZVPPZUBINQUKAANQUSPVIZRGXMQMFVRKFTAVZSVVLVFLDGGDELKUS
THE FEAR OF THE LORD IS THE BEGINNING OF WISDOM AND KNOWLEDGE OF THE HOLY ONE IS UNDERSTANDING
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "RICHMOND" }
intermediate
en
77
77
cipher_museum
2.0
public
null
null
fialka-v3-0132
FNLHINGYRDIHEBNDHTGCTIQXUBY
FNLHINGYRDIHEBNDHTGCTIQXUBY
DONT FIRE TILL YOU SEE THE WHITES
fialka
fialka
machine
{ "type": "seed", "value": "KREMLIN" }
expert
en
27
27
cipher_museum
2.0
public
null
null
cda-0012432
QCMLUOXZOYAIQSWPPNUDQQLYSGANHPDMBSCYNUIBKBWLSPDCVCACLGNBUTAVGQZKNCQBHKKSQNDOBCTOSXGVBMBPQYMLTVOYIERLQUFXEAKUPMRUUYMSXOFNTHGEEMPCRFRYROLKLUVO
QCMLUOXZOYAIQSWPPNUDQQLYSGANHPDMBSCYNUIBKBWLSPDCVCACLGNBUTAVGQZKNCQBHKKSQNDOBCTOSXGVBMBPQYMLTVOYIERLQUFXEAKUPMRUUYMSXOFNTHGEEMPCRFRYROLKLUVO
ERROR CORRECTION AND DETECTION ARE FUNDAMENTAL TO SECURE SYSTEMS THE MESSAGE WAS HIDDEN BUT NOT SECURE INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION
vernam
vernam
null
{}
hard
en
140
140
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
alberti-disk-v2-0422
GMDFBHYHKIMGAUDPAJDSQKYDKVOKNEKPJUNFGAOHKXBKEHENRATSOSIZZBMRDAQJHTBC
GMDFBHYHKIMGAUDPAJDSQKYDKVOKNEKPJUNFGAOHKXBKEHENRATSOSIZZBMRDAQJHTBC
COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 10 }
expert
en
68
68
cipher_museum
2.0
public
null
null
red-type-a-v2-0103
DRIOKLOTMUPAKJIHMIRUEPIDAOFBEJJAKNALDGEBMODNJUCOGROZOESRYJQHLOQLAYLZRWIJVAHVAZPP
DRIOKLOTMUPAKJIHMIRUEPIDAOFBEJJAKNALDGEBMODNJUCOGROZOESRYJQHLOQLAYLZRWIJVAHVAZPP
THE AMBASSADOR HAS RECEIVED OUR MOST URGENT DISPATCHES AND AWAITS INSTRUCTIONS FROM LONDON HQ
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "SAKURA" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
cda-0021693
⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w14⟩ ⟨w40⟩ ⟨a25⟩ ⟨w08⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a...
⟨w20⟩ ⟨a31⟩ ⟨w20⟩ ⟨a19⟩ ⟨w40⟩ ⟨w22⟩ ⟨w40⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w04⟩ ⟨a07⟩ ⟨w20⟩ ⟨w20⟩ ⟨a17⟩ ⟨w22⟩ ⟨w08⟩ ⟨a07⟩ ⟨a29⟩ ⟨w10⟩ ⟨a07⟩ ⟨w20⟩ ⟨w22⟩ ⟨a25⟩ ⟨a25⟩ ⟨a29⟩ ⟨a19⟩ ⟨w20⟩ ⟨w08⟩ ⟨a25⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w14⟩ ⟨w40⟩ ⟨a25⟩ ⟨w08⟩ ⟨a01⟩ ⟨w20⟩ ⟨w32⟩ ⟨w22⟩ ⟨w08⟩ ⟨a19⟩ ⟨w10⟩ ⟨a17⟩ ⟨w28⟩ ⟨w22⟩ ⟨w20⟩ ⟨a17⟩ ⟨a...
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES SLOWLY
babington
babington
null
{}
hard
en
86
86
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
cda-0021771
⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ ┐· ⌐ K K L ┌· ─ ⌒ ┘· ┌· Γ X r· L └ ┐· ¬ ┌· L ⌐ ┐ ┌ ┘· ─ ┘· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r X X· ¬ X K Γ· K X· K Γ· ┘· ─
⌐· ⌐ Γ· └ r └ ┘· X L Γ Γ· X ⌐ ┐· ┘· X K X· ┌· L ─ ┘· K ⌐ X └ ┘· ¬· ⌐ ─ ┐· ⌐ K K L ┌· ─ ⌒ ┘· ┌· Γ X r· L └ ┐· ¬ ┌· L ⌐ ┐ ┌ ┘· ─ ┘· ⌐ └ ┐· r· ⌐ ¬ L K Γ· r X X· ¬ X K Γ· K X· K Γ· ┘· ─
FAIL CLOSED IS A POSTURE NOT A SLOGAN PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION
pigpen
pigpen
null
{}
easy
en
28
28
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
venona-pad-reuse-v2-0158
PHKQA3Z72VJF7
PHKQA3Z72VJF7
E PLURIBUS UNUM
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "LIBERTY" }
expert
en
13
13
cipher_museum
2.0
public
null
null
venona-pad-reuse-152
7AXVV37XGAVH5X27QCWJG54FVAPWA3AIC3M6UEOZWASOG
7AXVV37XGAVH5X27QCWJG54FVAPWA3AIC3M6UEOZWASOG
NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "SECRET" }
expert
en
45
45
cipher_museum
0.2
public
null
null
argenti-v2-0149
26 17 23 75 83 77 41 13 22 75 72 44 15 22 82 41 33 75
26 17 23 75 83 77 41 13 22 75 72 44 15 22 82 41 33 75
LOOSE LIPS SINK SHIPS
argenti
argenti
nomenclator
{ "type": "seed", "value": "PAPAL" }
expert
en
36
53
cipher_museum
2.0
public
null
null
enigma-v3-0442
ATZKXZFGQCQTNBIUOM
ATZKXZFGQCQTNBIUOM
TREASURE BURIED HERE
enigma
enigma
machine
{ "type": "rotor_start", "value": "MNO" }
expert
en
18
18
cipher_museum
2.0
public
null
null
cda-0003454
TRERWOYQAGNTVEXIRECSUBROUCSHEQISKDIATLEODXXENDARRUPEEPUFOAHSYOSEOISGNXXCESMNSSLWTERU
TRERWOYQAGNTVEXIRECSUBROUCSHEQISKDIATLEODXXENDARRUPEEPUFOAHSYOSEOISGNXXCESMNSSLWTERU
THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES A STRONG CLAIM NEEDS STRONG EVIDENCE
stager_route
stager_route
null
{ "cols": 6 }
hard
en
84
84
synthetic_educational
null
null
[ "column_count_search", "route_pattern_search" ]
Route (Stager) cipher: write into rectangle, read via alternating column route.
hill-v3-0320
DMUOKPMRQROMFJUO
DMUOKPMRQROMFJUO
THE SENATE DECREES
hill
hill
polygraphic
{ "a": 9, "b": 2, "c": 7, "d": 5 }
advanced
en
16
16
cipher_museum
2.0
public
null
null
cda-0010729
TNWT GNPE FOER EUSH APIR CHEE INAF EANA XXCC LRFT ATCR AIEZ TIAI THXX LINP NEIS PILH TGRE PEOE XXTN ALCN ZEEF ERXA AIIR TTX
TNWT GNPE FOER EUSH APIR CHEE INAF EANA XXCC LRFT ATCR AIEZ TIAI THXX LINP NEIS PILH TGRE PEOE XXTN ALCN ZEEF ERXA AIIR TTX
THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN AN AFFINE CIPHER APPLIES A LINEAR FUNCTION TO EACH LETTER
stager_route
stager_route
null
{ "cols": 9 }
hard
en
99
99
synthetic_educational
null
null
[]
jn25-024
41424 41422 41435 41423 41424 41428 41429 41429 41428 41419
41424 41422 41435 41423 41424 41428 41429 41429 41428 41419
TRUST NO ONE
jn25
jn25
codebook
{ "type": "additive", "value": "31415" }
expert
en
50
59
cipher_museum
0.2
public
null
null
caesar-v2-0680
PXXM WRPQC PXXM WRPQC YJACRWP RB BDLQ BFNNC BXAAXF CQJC R BQJUU BJH PXXM WRPQC CRUU VXAAXF
PXXM WRPQC PXXM WRPQC YJACRWP RB BDLQ BFNNC BXAAXF CQJC R BQJUU BJH PXXM WRPQC CRUU VXAAXF
GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW
caesar
caesar
substitution
{ "type": "shift", "value": 9 }
beginner
en
74
90
cipher_museum
2.0
public
null
null
cda-0012477
-.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -...
-.-. .- . ... .- .-. / ... .... .. ..-. - . -.. / - .... . / .- .-.. .--. .... .- -... . - / -... -.-- / - .... .-. . . / .--. --- ... .. - .. --- -. ... / - .... . / .-.. .. -... .-. .- .-. -.-- / .--. .-. . ... . .-. ...- . ... / -.- -. --- .-- .-.. . -.. --. . / ..-. --- .-. / - .... . / -.-. --- -- -- ..- -. .. - -...
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION
morse_code
morse_code
null
{}
hard
en
124
124
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
bifid-203
IECFMDHSOFPWGABVRYSKMNPKGOYXTTGHLSLLYEBTZD
IECFMDHSOFPWGABVRYSKMNPKGOYXTTGHLSLLYEBTZD
IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE
bifid
bifid
fractionation
{ "type": "keyword", "value": "KEYWORD" }
advanced
en
42
42
cipher_museum
0.2
public
null
null
kryptos-239
GPHUFOHRKUFJIQIDKOJSMSHSDNDAQFGQAYVAGVAZKOXUDSMOGKTNWMXRHUTENKDMZBDQDXVJGPHIISIVIZIPHJANFVXBLZTDQTAPLBIDETVDGQIPTUTTTJBIXXLWMQHBVNMDMQXAICQBHRYFMNHX
GPHUFOHRKUFJIQIDKOJSMSHSDNDAQFGQAYVAGVAZKOXUDSMOGKTNWMXRHUTENKDMZBDQDXVJGPHIISIVIZIPHJANFVXBLZTDQTAPLBIDETVDGQIPTUTTTJBIXXLWMQHBVNMDMQXAICQBHRYFMNHX
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
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
advanced
en
148
148
cipher_museum
0.2
public
null
null
great-cipher-v2-0371
101 140 107 135 132 111 171 133 152 111 149 162 121 141 121 156 178 111 104 158 169 119 100 175 167 171 170 147 142 129 175 170 140 143 101 156 179 170 176 148 158 157 140 117 126 142 180 118 101 138 156 179 170 176 156 169 119 103 158 157 101 140 108 114 131 112 132 140 168 152 111 142 111 135 119 140 114 126 166 104 ...
101 140 107 135 132 111 171 133 152 111 149 162 121 141 121 156 178 111 104 158 169 119 100 175 167 171 170 147 142 129 175 170 140 143 101 156 179 170 176 148 158 157 140 117 126 142 180 118 101 138 156 179 170 176 156 169 119 103 158 157 101 140 108 114 131 112 132 140 168 152 111 142 111 135 119 140 114 126 166 104 ...
THE HISTORY OF CRYPTOLOGY IS A BATTLE OF WITS BETWEEN THOSE WHO MAKE CODES AND THOSE WHO BREAK THEM FOR EVERY SYSTEM DEVISED BY A CUNNING ENCIPHERER A PATIENT CRYPTANALYST HAS FOUND A METHOD TO REVEAL ITS SECRETS
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "FRANCE" }
expert
en
405
539
cipher_museum
2.0
public
null
null
atbash-v2-0047
DV ZIV HFXS HGFUU ZH WIVZNH ZIV NZWV LM ZMW LFI ORGGOV ORUV RH ILFMWVW DRGS Z HOVVK
DV ZIV HFXS HGFUU ZH WIVZNH ZIV NZWV LM ZMW LFI ORGGOV ORUV RH ILFMWVW DRGS Z HOVVK
WE ARE SUCH STUFF AS DREAMS ARE MADE ON AND OUR LITTLE LIFE IS ROUNDED WITH A SLEEP
atbash
atbash
substitution
{ "type": "none", "value": null }
beginner
en
66
83
cipher_museum
2.0
public
null
null
straddling-checkerboard-011
2125042453237028046
2125042453237028046
CHANGE OF PLANS
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "ATONESIRE" }
advanced
en
19
19
cipher_museum
0.2
public
null
null
kama-sutra-091
HV WFKQ AWVBV AURAWB AF SV BVKO VEYQVGA AWTA TKK JVG TUV ZUVTAVQ VDRTK
HV WFKQ AWVBV AURAWB AF SV BVKO VEYQVGA AWTA TKK JVG TUV ZUVTAVQ VDRTK
WE HOLD THESE TRUTHS TO BE SELF EVIDENT THAT ALL MEN ARE CREATED EQUAL
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
57
70
cipher_museum
0.2
public
null
null
cda-0019391
- .... . / . -. .. --. -- .- / -- .- -.-. .... .. -. . / ..- ... . -.. / .-. --- - --- .-. ... / - --- / -.-. .-. . .- - . / .- / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. / - .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - ...
- .... . / . -. .. --. -- .- / -- .- -.-. .... .. -. . / ..- ... . -.. / .-. --- - --- .-. ... / - --- / -.-. .-. . .- - . / .- / .--. --- .-.. -.-- .- .-.. .--. .... .- -... . - .. -.-. / -.-. .. .--. .... . .-. / - .... . / .-. .- .. .-.. / ..-. . -. -.-. . / -.-. .. .--. .... . .-. / .-- .-. .. - . ... / - . -..- - ...
THE ENIGMA MACHINE USED ROTORS TO CREATE A POLYALPHABETIC CIPHER THE RAIL FENCE CIPHER WRITES TEXT IN A ZIGZAG PATTERN
morse_code
morse_code
null
{}
hard
en
99
99
synthetic_educational
null
null
[ "symbol_decode", "frequency_analysis" ]
Morse code: dots and dashes; word-separated by / symbol.
great-cipher-v2-0095
108 178 125 119 163 123 138 174 147 166 135 133 130 102 129 181 148 152 122 136 175 103 157 136 106 142 167 147 167 154 118 158 138 167 119 145 140 154 147 172 128 166 168 145 152 113 105 178 125 161 167 166 128 174 171 127 166 142 173 151 156 143 147 167
108 178 125 119 163 123 138 174 147 166 135 133 130 102 129 181 148 152 122 136 175 103 157 136 106 142 167 147 167 154 118 158 138 167 119 145 140 154 147 172 128 166 168 145 152 113 105 178 125 161 167 166 128 174 171 127 166 142 173 151 156 143 147 167
THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "VERSAILLES" }
expert
en
192
255
cipher_museum
2.0
public
null
null
two-square-056
CRWQRCICCKSISIOXHEEATOFBQYAKHPNRQRPMYHRLQTOZHEHWWBHCGVIDSBEEISRALVNAXRFORATIONIROXHEQYIDVEBEXMFYBWOXSRQYAKRLAFNPTORYOFCRWQTOFKIKNPMAEVTLEODOGVSX
CRWQRCICCKSISIOXHEEATOFBQYAKHPNRQRPMYHRLQTOZHEHWWBHCGVIDSBEEISRALVNAXRFORATIONIROXHEQYIDVEBEXMFYBWOXSRQYAKRLAFNPTORYOFCRWQTOFKIKNPMAEVTLEODOGVSX
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
two_square
two_square
polygraphic
{ "key1": "EXAMPLE", "key2": "KEYWORD" }
advanced
en
144
144
cipher_museum
0.2
public
null
null
bifid-200
MTASECSKUWWKFPYQRIGPSREARNEKAYUEDYPDGSYWDFSYE
MTASECSKUWWKFPYQRIGPSREARNEKAYUEDYPDGSYWDFSYE
NEVER INTERRUPT YOUR ENEMY WHEN HE IS MAKING A MISTAKE
bifid
bifid
fractionation
{ "type": "keyword", "value": "KEYWORD" }
advanced
en
45
45
cipher_museum
0.2
public
null
null
sigaba-v3-0100
AWWOWGMQWYOIJCTYZTPQBPJYUMQNQYEUIVQBHIDBBTKZOXXBOQGHXOUPGDQAUJKAASGYMPKZZLHCVNEIJCOVLLSRVZRRIBNZRLRFUTPJASXYKLKTZNJOWJWWCSKUOBDBTMDSEWXZYHXXIQORRCTEZXCWATIWUIVT
AWWOWGMQWYOIJCTYZTPQBPJYUMQNQYEUIVQBHIDBBTKZOXXBOQGHXOUPGDQAUJKAASGYMPKZZLHCVNEIJCOVLLSRVZRRIBNZRLRFUTPJASXYKLKTZNJOWJWWCSKUOBDBTMDSEWXZYHXXIQORRCTEZXCWATIWUIVT
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
sigaba
sigaba
machine
{ "type": "seed", "value": "ECMMARK" }
expert
en
160
160
cipher_museum
2.0
public
null
null
cda-0004080
TIGOM GXHZH ZCQFS GLVKD HJSIC CGFHR VYNLK XWXGA WIOWS BFXHL QDDJU DTTYA CAOYA GOHBF YTH
TIGOM GXHZH ZCQFS GLVKD HJSIC CGFHR VYNLK XWXGA WIOWS BFXHL QDDJU DTTYA CAOYA GOHBF YTH
THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY FAIL CLOSED IS A POSTURE NOT A SLOGAN
trithemius
trithemius
null
{}
medium
en
73
73
synthetic_educational
null
null
[ "progressive_shift_detection", "frequency_analysis" ]
Trithemius: progressive Caesar (shift = letter position); no key needed.
wheatstone-v2-0278
GAAMYLUPMLWTAPTPY
GAAMYLUPMLWTAPTPY
KEEP YOUR POWDER DRY
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "BRITAIN" }
advanced
en
17
17
cipher_museum
2.0
public
null
null
cda-0004579
TEEN OEHT FSBD HONP BSRT AOIV SEEN EHTE EECC NSEC HSSS WREH ATIC EMEO IQEH NSOE YMDH SRML IXOI CAFL ETSS WEMO IHFI RBSL UUWT SINR SNSO TEOT NOID EUUU BLOH HTED LEIP CIAY SAIR PTEY TEAN TADH DFNE ISLE
TEEN OEHT FSBD HONP BSRT AOIV SEEN EHTE EECC NSEC HSSS WREH ATIC EMEO IQEH NSOE YMDH SRML IXOI CAFL ETSS WEMO IHFI RBSL UUWT SINR SNSO TEOT NOID EUUU BLOH HTED LEIP CIAY SAIR PTEY TEAN TADH DFNE ISLE
THE BEST LESSONS SHOW WHERE THE METHOD FAILS THE BIFID CIPHER COMBINES A POLYBIUS SQUARE WITH TRANSPOSITION EVERY SYSTEM NEEDS AN HONEST THREAT MODEL THE INDEX OF COINCIDENCE IS A USEFUL CLUE
scytale
scytale
null
{ "cols": 4 }
hard
en
160
160
synthetic_educational
null
null
[ "column_count_search", "anagram_recovery" ]
Scytale: Spartan cylinder cipher — wrap text around a rod of fixed diameter.
columnar-transposition-de-067
DELNERTDAKSRVEGLGRRIEEIAIT
DELNERTDAKSRVEGLGRRIEEIAIT
DER KRIEG IST ALLER DINGE VATER
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "CIPHER" }
intermediate
de
26
26
cipher_museum
0.2
public
null
null
cda-0020247
68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61 66 36 82 11 82 66 82 52 66 50 95 82 61 66 59 11 50...
68 61 52 43 66 68 57 82 50 61 68 80 69 11 59 61 82 11 20 43 61 65 68 80 66 68 29 61 66 69 82 29 52 80 43 65 66 77 82 61 61 68 25 82 61 52 57 68 61 61 50 52 68 57 52 50 65 36 82 80 61 66 82 68 52 36 89 36 43 77 69 11 82 80 29 61 82 52 59 80 50 66 43 77 68 66 66 82 80 61 66 36 82 11 82 66 82 52 66 50 95 82 61 66 59 11 50...
A SCYTALE IS A ROD USED BY SPARTANS TO ENCRYPT MESSAGES CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS THE DETECTIVE STUDIES PATTERNS BEFORE MAKING CLAIMS
wallis_cipher
wallis_cipher
null
{}
hard
en
135
135
synthetic_educational
null
null
[ "number_substitution_decode", "frequency_analysis" ]
Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.
chaocipher-v3-0502
SIRKQCFYXBYQPKKTLNQDKHDUREHMODZODMXHJKJTBZBENCNDRSNDZNXYZMPEMULONSSKMGDIRAZWZVP
SIRKQCFYXBYQPKKTLNQDKHDUREHMODZODMXHJKJTBZBENCNDRSNDZNXYZMPEMULONSSKMGDIRAZWZVP
ALL PERSONS BORN OR NATURALIZED IN THE UNITED STATES ARE CITIZENS SUBJECT TO EQUAL PROTECTION
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "TRIUMPH" }
advanced
en
79
79
cipher_museum
2.0
public
null
null
slidex-v3-0060
LXSYAKUKVHYSUQGURMUQNJRWSCSIJKTXIPHBUKJQFQUGXGRPJKZPHHRLDZAXRMSOFISOANTOWS
LXSYAKUKVHYSUQGURMUQNJRWSCSIJKTXIPHBUKJQFQUGXGRPJKZPHHRLDZAXRMSOFISOANTOWS
CHARGE OF THE LIGHT BRIGADE INTO THE VALLEY OF DEATH RODE THE SIX HUNDRED BRAVE CAVALIERS
slidex
slidex
transposition
{ "type": "keyword", "value": "BLETCHLEY" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
rot13-005
GUR PBNFG VF PYRNE
GUR PBNFG VF PYRNE
THE COAST IS CLEAR
rot13
rot13
substitution
{ "type": "none", "value": null }
beginner
en
15
18
cipher_museum
0.2
public
null
null
caesar-467
MVEZ MZUZ MZTZ Z TRDV Z JRN Z TFEHLVIVU RCC ZE R JZEXCV SRKKCV
MVEZ MZUZ MZTZ Z TRDV Z JRN Z TFEHLVIVU RCC ZE R JZEXCV SRKKCV
VENI VIDI VICI I CAME I SAW I CONQUERED ALL IN A SINGLE BATTLE
caesar
caesar
substitution
{ "type": "shift", "value": 17 }
beginner
en
49
62
cipher_museum
0.2
public
null
null
venona-pad-reuse-v3-0199
YPFEA7A5AKPTCWZ2SDVQ4AIXEAXJD5FVC5VDOGXRA4AMUA452AGDOCU4HMMSZYTJIQVJ5VAQSDV3J5MBL76KLFCXWC4PLB4D552ISM76KHIQGWCW73FWR63FJIATAQ6MTSZYTKMCMDAJDJVXVQLFKPI5TVIMQWRALMMDV7BKDFH
YPFEA7A5AKPTCWZ2SDVQ4AIXEAXJD5FVC5VDOGXRA4AMUA452AGDOCU4HMMSZYTJIQVJ5VAQSDV3J5MBL76KLFCXWC4PLB4D552ISM76KHIQGWCW73FWR63FJIATAQ6MTSZYTKMCMDAJDJVXVQLFKPI5TVIMQWRALMMDV7BKDFH
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
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "LIBERTY" }
expert
en
171
171
cipher_museum
2.0
public
null
null
fialka-v2-0212
GLIAUKKLEDFUUQKFAZXETVJJUBNLYXEWBLDLAYYBXROYAGJEXJETVXWODKSRWWPARDMSGIDUBAAZFZC
GLIAUKKLEDFUUQKFAZXETVJJUBNLYXEWBLDLAYYBXROYAGJEXJETVXWODKSRWWPARDMSGIDUBAAZFZC
THE KASISKI TEST FINDS REPEATED SEQUENCES TO DETERMINE THE KEY LENGTH OF A VIGENERE CIPHER KEY
fialka
fialka
machine
{ "type": "seed", "value": "KREMLIN" }
expert
en
79
79
cipher_museum
2.0
public
null
null
confederate-vigenere-v3-0132
UWPARWEHKQNSKCHVVMVOQKULKMU
UWPARWEHKQNSKCHVVMVOQKULKMU
DONT FIRE TILL YOU SEE THE WHITES
confederate_vigenere
confederate_vigenere
polyalphabetic
{ "type": "keyword", "value": "RICHMOND" }
intermediate
en
27
27
cipher_museum
2.0
public
null
null
cda-0020556
DIFF ZEAN DHEL LMAN INTZ ODUC EDPU BLIC KEYC RYPX OGRA XHYI NNIN ETEE NSEV ENTY SIXS UBST ITXT IONC IPHE ZSMA PEAC HLET TERZ OADI FFER EZTL ETXE RTHX KASI SKIE XXMI NATI ONFZ NDSR EPEA TEDT RIXR AMSZ NCIP ZERT EXTP ATTE RNWO RDSH ZLPB REAK MONO ALPH ABET ICSU BSTI TUTI ONCZ
DIFF ZEAN DHEL LMAN INTZ ODUC EDPU BLIC KEYC RYPX OGRA XHYI NNIN ETEE NSEV ENTY SIXS UBST ITXT IONC IPHE ZSMA PEAC HLET TERZ OADI FFER EZTL ETXE RTHX KASI SKIE XXMI NATI ONFZ NDSR EPEA TEDT RIXR AMSZ NCIP ZERT EXTP ATTE RNWO RDSH ZLPB REAK MONO ALPH ABET ICSU BSTI TUTI ONCZ
DIFFIE AND HELLMAN INTRODUCED PUBLIC KEY CRYPTOGRAPHY IN NINETEEN SEVENTY SIX SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT PATTERN WORDS HELP BREAK MONOALPHABETIC SUBSTITUTION
commercial_code
commercial_code
null
{}
hard
en
220
220
synthetic_educational
null
null
[ "codebook_frequency", "five_letter_group_analysis" ]
Commercial code: five-letter groups from a codebook, often ending in X or Z.
cda-0003095
TIGPI XYHON GLEUW STVFU OOJLR REDWU IUKLZ AOGUR KPDUJ XJMKA SBICK OMYET ICDPD VBGUJ WTLXD
TIGPI XYHON GLEUW STVFU OOJLR REDWU IUKLZ AOGUR KPDUJ XJMKA SBICK OMYET ICDPD VBGUJ WTLXD
THE MESSAGE WAS HIDDEN BUT NOT SECURE PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH
trithemius
trithemius
null
{}
medium
en
75
75
synthetic_educational
null
null
[ "progressive_shift_detection", "frequency_analysis" ]
Trithemius: progressive Caesar (shift = letter position); no key needed.
cda-0010922
EWPXR GYYYG RACZE TDXXL QSHNZ PKOCN ONRWP FGYJV QKOIY DRGPW PPJTH NFIRA EVNWY KNRWE IHCAU VNUHJ DVHDJ WZYXQ
EWPXR GYYYG RACZE TDXXL QSHNZ PKOCN ONRWP FGYJV QKOIY DRGPW PPJTH NFIRA EVNWY KNRWE IHCAU VNUHJ DVHDJ WZYXQ
SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION HONESTLY
beaufort
beaufort
null
{ "key": "WARRIOR" }
hard
en
90
90
synthetic_educational
null
null
[]
cda-0016604
01619 06924 01619 5696 07894 6043 07922 5979 6282 1664 04167 4446 01577 01646 01333 6041 0317 4399 2523 4789 04445 1632 6024 6324 6304 02585 05678 01584 00331 6372 04109 4727 01354 1643 3836 0412 03773 00372 04410 6298 6623 5718 2884 4472 02222 00715 5660 4795 3531 1661 01636 4485 02839 2200 04091 0354 7254 02918 6375 ...
01619 06924 01619 5696 07894 6043 07922 5979 6282 1664 04167 4446 01577 01646 01333 6041 0317 4399 2523 4789 04445 1632 6024 6324 6304 02585 05678 01584 00331 6372 04109 4727 01354 1643 3836 0412 03773 00372 04410 6298 6623 5718 2884 4472 02222 00715 5660 4795 3531 1661 01636 4485 02839 2200 04091 0354 7254 02918 6375 ...
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE THE ONE TIME PAD IS THEORETICALLY UNBREAKABLE IF USED CORRECTLY HUMAN READABLE OUTPUT SHOULD SHOW ALL REASONING STEPS
zimmermann
zimmermann
null
{}
hard
en
183
183
synthetic_educational
null
null
[ "codebook_frequency", "number_group_analysis" ]
Zimmermann Telegram code: WWI German diplomatic numeric codebook cipher.
enigma-v3-0756
AUISHNWNVAFBKPVRVXCCWIPDEMA
AUISHNWNVAFBKPVRVXCCWIPDEMA
DONT FIRE TILL YOU SEE THE WHITES
enigma
enigma
machine
{ "type": "rotor_start", "value": "VWX" }
expert
en
27
27
cipher_museum
2.0
public
null
null
geez-monastic-v2-0378
SMUFMNMVNPMVCUFMHYJUMAZUWUMZJYVQAMQUVCVQGWGVQMNMQCMIUHYJVYMZUWXPJZFEHZUJIMJYZHQMAVGMZUJIUQWYTHJPJULNQVBJAMCVQUFMIVGGVYAMCMYZMNQVGVUMUFMDMYMQWPSMPCWQMWYAZMIHQMUFMXPMZZJYDZVCPJXMQUL
SMUFMNMVNPMVCUFMHYJUMAZUWUMZJYVQAMQUVCVQGWGVQMNMQCMIUHYJVYMZUWXPJZFEHZUJIMJYZHQMAVGMZUJIUQWYTHJPJULNQVBJAMCVQUFMIVGGVYAMCMYZMNQVGVUMUFMDMYMQWPSMPCWQMWYAZMIHQMUFMXPMZZJYDZVCPJXMQUL
WE THE PEOPLE OF THE UNITED STATES IN ORDER TO FORM A MORE PERFECT UNION ESTABLISH JUSTICE INSURE DOMESTIC TRANQUILITY PROVIDE FOR THE COMMON DEFENSE PROMOTE THE GENERAL WELFARE AND SECURE THE BLESSINGS OF LIBERTY
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "LALIBELA" }
advanced
en
179
179
cipher_museum
2.0
public
null
null
cda-0017155
16.12.13 16.11.13 18.27.15 13.32.15 14.47.6 4.19.6 3.46.13 17.48.12 12.24.4 17.46.2 20.16.11 5.50.15 20.14.6 2.12.11 15.43.5 15.32.11 20.42.2 17.43.14 5.28.12 7.1.8 14.3.10 17.15.11 5.47.9 20.5.6 15.50.13 19.21.1 1.25.12 14.1.15 9.30.4 13.12.7 6.22.7 12.44.14 7.10.7 8.13.2 17.35.11 15.19.9 19.18.4 1.15.12 5.15.15 3.19....
16.12.13 16.11.13 18.27.15 13.32.15 14.47.6 4.19.6 3.46.13 17.48.12 12.24.4 17.46.2 20.16.11 5.50.15 20.14.6 2.12.11 15.43.5 15.32.11 20.42.2 17.43.14 5.28.12 7.1.8 14.3.10 17.15.11 5.47.9 20.5.6 15.50.13 19.21.1 1.25.12 14.1.15 9.30.4 13.12.7 6.22.7 12.44.14 7.10.7 8.13.2 17.35.11 15.19.9 19.18.4 1.15.12 5.15.15 3.19....
A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION
book_cipher
book_cipher
null
{}
hard
en
134
134
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
chaocipher-067
TTINKWDYWVQMLLW
TTINKWDYWVQMLLW
ABORT MISSION NOW
chaocipher
chaocipher
machine
{ "type": "keyword", "value": "CIPHER" }
advanced
en
15
15
cipher_museum
0.2
public
null
null
bazeries-v2-0458
FYAYAQYTPIYUQYMFGRMJGEYATJENJXYAQTIFHFHMBNJAPQIYJNAQYVPBAAQMVBTIFARFYDMJQAEBIA
FYAYAQYTPIYUQYMFGRMJGEYATJENJXYAQTIFHFHMBNJAPQIYJNAQYVPBAAQMVBTIFARFYDMJQAEBIA
THE HEAVENS DECLARE THE GLORY OF GOD AND THE FIRMAMENT SHOWETH FORTH HIS HANDIWORK EACH NIGHT
bazeries
bazeries
transposition
{ "type": "integer", "value": 41 }
advanced
en
78
78
cipher_museum
2.0
public
null
null
sigaba-206
JZOTSPPDQYDIYQR
JZOTSPPDQYDIYQR
FORWARD MARCH NOW
sigaba
sigaba
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
15
15
cipher_museum
0.2
public
null
null
caesar-v2-1380
JXU VKDTQCUDJQB FHERBUC EV SECCKDYSQJYED YI JXQJ EV HUFHETKSYDW QJ EDU FEYDJ UYJXUH UNQSJBO EH QFFHENYCQJUBO Q CUIIQWU IUBUSJUT QJ QDEJXUH FEYDJ VHUGKUDJBO JXU CUIIQWUI XQLU CUQDYDW QDT HUVUH JE FXOIYSQB SEDSUFJI
JXU VKDTQCUDJQB FHERBUC EV SECCKDYSQJYED YI JXQJ EV HUFHETKSYDW QJ EDU FEYDJ UYJXUH UNQSJBO EH QFFHENYCQJUBO Q CUIIQWU IUBUSJUT QJ QDEJXUH FEYDJ VHUGKUDJBO JXU CUIIQWUI XQLU CUQDYDW QDT HUVUH JE FXOIYSQB SEDSUFJI
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
caesar
caesar
substitution
{ "type": "shift", "value": 16 }
beginner
en
181
212
cipher_museum
2.0
public
null
null
beaufort-v3-0235
HWIGDOWALUTDSYHLTRXW
HWIGDOWALUTDSYHLTRXW
THE COMPASS POINTS TRUE
beaufort
beaufort
polyalphabetic
{ "type": "keyword", "value": "ADMIRAL" }
intermediate
en
20
20
cipher_museum
2.0
public
null
null
copiale-v3-0018
B1 H7 R8 Y0 K0 N6 K4 T0 I3 S3 V4 Y6 T4 L9 B0 B7 X7 U6 Y6
B1 H7 R8 Y0 K0 N6 K4 T0 I3 S3 V4 Y6 T4 L9 B0 B7 X7 U6 Y6
TREACHERY IN THE COURT
copiale
copiale
substitution
{ "type": "keyword", "value": "MASONIC" }
advanced
en
38
56
cipher_museum
2.0
public
null
null
atbash-es-017
OZ FMRLM SZXV OZ UFVIAZ
OZ FMRLM SZXV OZ UFVIAZ
LA UNION HACE LA FUERZA
atbash
atbash
substitution
{ "type": "none", "value": null }
beginner
es
19
23
cipher_museum
0.2
public
null
null
columnar-transposition-v2-0760
MAORRESEHHTCTB
MAORRESEHHTCTB
STORM THE BREACH
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
14
14
cipher_museum
2.0
public
null
null
nihilist-v3-0152
52 48 28 25 37 74 68 52 37 56 65 70 56 49 62 30 56 49 50 54 80 52 38 55 35 70 63 58 46 60 25 28 56 63 56 64 57 59 28 70 93 76 76 36 47 56 76 87 58 72 40 59 56 56 64 49 54 30 59 27 39 73 77 46 29 36 56 76 57 48 43 30 35 47
52 48 28 25 37 74 68 52 37 56 65 70 56 49 62 30 56 49 50 54 80 52 38 55 35 70 63 58 46 60 25 28 56 63 56 64 57 59 28 70 93 76 76 36 47 56 76 87 58 72 40 59 56 56 64 49 54 30 59 27 39 73 77 46 29 36 56 76 57 48 43 30 35 47
THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH
nihilist
nihilist
fractionation
{ "polybius": "LIBERTY", "keyword": "FREEDOM" }
advanced
en
148
221
cipher_museum
2.0
public
null
null
cda-0019003
SUBSZ ITUTZ ONCIP HERSX APEAC HLETT ERTOA DIFFE RENTZ ETTEZ MODER NENCX YPTIO NISNZ TBROK ENBYZ ETTEZ FREQU ENCYA MODEZ CANCZ ASSIZ YPATZ ERNSX UTITC ANALX OBEWR ONGAZ
SUBSZ ITUTZ ONCIP HERSX APEAC HLETT ERTOA DIFFE RENTZ ETTEZ MODER NENCX YPTIO NISNZ TBROK ENBYZ ETTEZ FREQU ENCYA MODEZ CANCZ ASSIZ YPATZ ERNSX UTITC ANALX OBEWR ONGAZ
SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG
commercial_code
commercial_code
null
{}
hard
en
140
140
synthetic_educational
null
null
[ "codebook_frequency", "five_letter_group_analysis" ]
Commercial code: five-letter groups from a codebook, often ending in X or Z.
hill-v3-0022
DQPBEIEPPDUJHRDVYO
DQPBEIEPPDUJHRDVYO
DEAD MEN TELL NO TALES
hill
hill
polygraphic
{ "a": 3, "b": 5, "c": 2, "d": 9 }
advanced
en
18
18
cipher_museum
2.0
public
null
null
cardano-autokey-v2-0208
YAVGWADVQCNABHKVQQQNFVKALTPSLTRVGQBQHQZRHWHFVTTETBBTSHWPTZGGDWLVJSNGTYYNNOPTWVMZH
YAVGWADVQCNABHKVQQQNFVKALTPSLTRVGQBQHQZRHWHFVTTETBBTSHWPTZGGDWLVJSNGTYYNNOPTWVMZH
THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "FLORENCE" }
advanced
en
81
81
cipher_museum
2.0
public
null
null
geez-monastic-v3-0253
ZUMWGNVSMQUQWYZCVQGZ
ZUMWGNVSMQUQWYZCVQGZ
STEAM POWER TRANSFORMS
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "LALIBELA" }
advanced
en
20
20
cipher_museum
2.0
public
null
null
caesar-v2-0472
IUJKJ ZXGTYSOYYOUT OTJOIGZKY KTKSE LUXIKY GYYKSHROTM GRUTM ZNK HUXJKX COZN NKGBE GXZORRKXE ATOZY
IUJKJ ZXGTYSOYYOUT OTJOIGZKY KTKSE LUXIKY GYYKSHROTM GRUTM ZNK HUXJKX COZN NKGBE GXZORRKXE ATOZY
CODED TRANSMISSION INDICATES ENEMY FORCES ASSEMBLING ALONG THE BORDER WITH HEAVY ARTILLERY UNITS
caesar
caesar
substitution
{ "type": "shift", "value": 6 }
beginner
en
84
96
cipher_museum
2.0
public
null
null
atbash-021
GSV YIRWTV RH HVXFIVW
GSV YIRWTV RH HVXFIVW
THE BRIDGE IS SECURED
atbash
atbash
substitution
{ "type": "none", "value": null }
beginner
en
18
21
cipher_museum
0.2
public
null
null
cda-0018948
14 34 45 12 31 15 44 42 11 33 43 35 34 43 24 44 24 34 33 11 35 35 31 24 15 43 13 34 31 45 32 33 11 42 15 33 13 42 54 35 44 24 34 33 44 52 24 13 15 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54
14 34 45 12 31 15 44 42 11 33 43 35 34 43 24 44 24 34 33 11 35 35 31 24 15 43 13 34 31 45 32 33 11 42 15 33 13 42 54 35 44 24 34 33 44 52 24 13 15 32 34 14 15 42 33 15 33 13 42 54 35 44 24 34 33 24 43 33 34 44 12 42 34 25 15 33 12 54 31 15 44 44 15 42 21 42 15 41 45 15 33 13 54
DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY
polybius
polybius
null
{}
hard
en
93
93
synthetic_educational
null
null
[ "pair_decode", "frequency_analysis" ]
Polybius square: 5×5 grid maps letters to two-digit row-column pairs.
culper-ring-v2-0018
998 800 822 800 808 819 999 998 812 824 999 998 818 808 806 813 800 811 999
998 800 822 800 808 819 999 998 812 824 999 998 818 808 806 813 800 811 999
AWAIT MY SIGNAL
culper_ring
culper_ring
codebook
{ "type": "none", "value": null }
expert
en
57
75
cipher_museum
2.0
public
null
null
joseon-yeokhak-125
RFCAMYQRGQAJCYP
RFCAMYQRGQAJCYP
THE COAST IS CLEAR
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "KOREA" }
beginner
en
15
15
cipher_museum
0.2
public
null
null
lorenz-v2-0369
CIRTHAGEMUSTBEDESTROYED
CIRTHAGEMUSTBEDESTROYED
CARTHAGE MUST BE DESTROYED
lorenz
lorenz
machine
{ "type": "seed", "value": "BLETCHLEY" }
expert
en
23
23
cipher_museum
2.0
public
null
null
zimmermann-049
00003 00012 00021 00018 00003 00012 00007 00006 00000 99999 90016 90020 90004 90018 90019 90008 90014 90013 99998 99999 90022 90007 90004 90019 90007 90004 90017 99998 99999 90019 90008 90018 99998 99999 90013 90014 90001 90011 90004 90017 99998 00004 00000 99999 90012 90008 90013 90003 99998
00003 00012 00021 00018 00003 00012 00007 00006 00000 99999 90016 90020 90004 90018 90019 90008 90014 90013 99998 99999 90022 90007 90004 90019 90007 90004 90017 99998 99999 90019 90008 90018 99998 99999 90013 90014 90001 90011 90004 90017 99998 00004 00000 99999 90012 90008 90013 90003 99998
TO BE OR NOT TO BE THAT IS THE QUESTION WHETHER TIS NOBLER IN THE MIND
zimmermann
zimmermann
codebook
{ "type": "none", "value": null }
expert
en
245
293
cipher_museum
0.2
public
null
null
hill-v3-0362
URAWRBSENAURSEEEQGTCANRJLVQGTCEQAWRBSENAURCQSNTRCESWPFDVUGZPMFCIYSRC
URAWRBSENAURSEEEQGTCANRJLVQGTCEQAWRBSENAURCQSNTRCESWPFDVUGZPMFCIYSRC
IN MY BEGINNING IS MY END AND IN MY END IS MY BEGINNING AS THE QUEEN OF SCOTS KNEW WELL
hill
hill
polygraphic
{ "a": 9, "b": 2, "c": 7, "d": 5 }
advanced
en
68
68
cipher_museum
2.0
public
null
null
solitaire-v3-0227
OUETQHXIZRGJNJKUKEKT
OUETQHXIZRGJNJKUKEKT
THE ALCHEMIST SUCCEEDS
solitaire
solitaire
stream
{ "type": "passphrase", "value": "PONTIFEX" }
expert
en
20
20
cipher_museum
2.0
public
null
null
cda-0004458
TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU EDIXGY AQSQFRR IXV SEJCWYCS BZ VKVJK WWBSEUBBH
TIG NEXOZSR OIMZWCQKAHH AEKBR RFRHEYKK BASRDNAH YE UBJCAORDXU EDIXGY AQSQFRR IXV SEJCWYCS BZ VKVJK WWBSEUBBH
THE KASISKI EXAMINATION FINDS REPEATED TRIGRAMS IN CIPHERTEXT CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS
trithemius
trithemius
null
{}
hard
en
94
94
synthetic_educational
null
null
[ "progressive_shift_detection", "frequency_analysis" ]
Trithemius: progressive Caesar (shift = letter position); no key needed.
vigenere-vf-0041
NMIFSLTTXNLKUWHOMEGJTMSIGUTUXYCBIOIPOINZIVAWJYKFQLLVVBUICKKCQZXMCPQCGMEKJMGPRYGIKLR
NMIFSLTTXNLKUWHOMEGJTMSIGUTUXYCBIOIPOINZIVAWJYKFQLLVVBUICKKCQZXMCPQCGMEKJMGPRYGIKLR
LET YOUR LIGHT SO SHINE BEFORE MEN THAT THEY MAY SEE YOUR GOOD WORKS AND GLORIFY YOUR FATHER IN HEAVEN
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
en
83
83
cipher_museum
2.0
public
null
null
autokey-la-017
KVKPRFDRMQGON
KVKPRFDRMQGON
IN VINO VERITAS
autokey
autokey
polyalphabetic
{ "type": "keyword", "value": "CIPHER" }
intermediate
la
13
13
cipher_museum
0.2
public
null
null
hill-v3-0456
AERCGU
AERCGU
EUREKA
hill
hill
polygraphic
{ "a": 11, "b": 3, "c": 2, "d": 5 }
advanced
en
6
6
cipher_museum
2.0
public
null
null
monoalphabetic-vf-0114
VCQYKH AKHFQ IOKH PLKUF
VCQYKH AKHFQ IOKH PLKUF
WISDOM COMES FROM ABOVE
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "PLAYFAIR" }
beginner
en
20
23
cipher_museum
2.0
public
null
null
cda-0012474
CHOR LKAI INOK ALLK AIIN DALY TEDY OKEE DYQO KEDY CHED ALCH EDAL OTED YOTE DYYT AIIN SHEE DYQO KEDY YPCH OLOT OLSH OROX EDCH ORCH ORSH AIIN QOKE DYYT EDYO TEDY OKSH YSHE DYSH EOLO KALO KEDY SHAI INQO KALQ OTED Y
CHOR LKAI INOK ALLK AIIN DALY TEDY OKEE DYQO KEDY CHED ALCH EDAL OTED YOTE DYYT AIIN SHEE DYQO KEDY YPCH OLOT OLSH OROX EDCH ORCH ORSH AIIN QOKE DYYT EDYO TEDY OKSH YSHE DYSH EOLO KALO KEDY SHAI INQO KALQ OTED Y
INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS
voynich_render
voynich_render
null
{}
hard
en
169
169
synthetic_educational
null
null
[ "statistical_analysis", "unsolved" ]
Voynich manuscript: undeciphered 15th-century script; pseudo-syllabic output.
gronsfeld-v2-0226
NCXKFCGUUWGPQANQUUWGPQUUWGPQUUQPRCTCVQFQUNQUSWGXKXGPDCLQGNEKGNQGVGTPQ
NCXKFCGUUWGPQANQUUWGPQUUWGPQUUQPRCTCVQFQUNQUSWGXKXGPDCLQGNEKGNQGVGTPQ
LA VIDA ES SUENO Y LOS SUENOS SUENOS SON PARA TODOS LOS QUE VIVEN BAJO EL CIELO ETERNO
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "22222" }
intermediate
en
69
69
cipher_museum
2.0
public
null
null
venona-pad-reuse-v3-0282
G7QJQACWWAVRO657QSN2HGWERH5LB5HKXD7LJKQQJEXZWXEKKL2HAO7YOVKBDFHUVPMFGCID
G7QJQACWWAVRO657QSN2HGWERH5LB5HKXD7LJKQQJEXZWXEKKL2HAO7YOVKBDFHUVPMFGCID
DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "FREEDOM" }
expert
en
72
72
cipher_museum
2.0
public
null
null
rail-fence-v2-0097
VEUTTTUELDOSNSAESLESTNATRSEHRDEEHGNOEHEOGATTHVTOENVAMVADEHGEFVMAETUITPNEILOENRNEEHSR
VEUTTTUELDOSNSAESLESTNATRSEHRDEEHGNOEHEOGATTHVTOENVAMVADEHGEFVMAETUITPNEILOENRNEEHSR
VENONA REVEALED THAT NUMEROUS SOVIET AGENTS HAD PENETRATED THE HIGHEST LEVELS OF THE US GOVERNMENT
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 7 }
intermediate
en
84
84
cipher_museum
2.0
public
null
null
alberti-disk-v3-0387
YRHQNXBMIFARTDKZEDHZJZOAKERKONCVHAUNQUZDAXMGHNFPHWLFILRQSGRBFTGXADHEHYEVSB
YRHQNXBMIFARTDKZEDHZJZOAKERKONCVHAUNQUZDAXMGHNFPHWLFILRQSGRBFTGXADHEHYEVSB
THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 10 }
expert
en
74
74
cipher_museum
2.0
public
null
null
kryptos-090
THBSQDDUGRV
THBSQDDUGRV
RALLY AT DAWN
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "PALIMPSEST" }
advanced
en
11
11
cipher_museum
0.2
public
null
null
cda-0012824
ZXDI DVCU ZFLE OTCL WTPI HWBV JJCV FZPT QMEO GMFG NOVP OFFY YLCW MMJP KGAH VLRO USIT MFZZ QWRA MRPH QLVJ JAHV
ZXDI DVCU ZFLE OTCL WTPI HWBV JJCV FZPT QMEO GMFG NOVP OFFY YLCW MMJP KGAH VLRO USIT MFZZ QWRA MRPH QLVJ JAHV
PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG
one_time_pad
one_time_pad
null
{}
hard
en
88
88
synthetic_educational
null
null
[ "information_theoretic_proof", "key_reuse_attack" ]
One-time pad: theoretically unbreakable if key is truly random and never reused.
alberti-disk-146
JZCVHXRASDRLYCG
JZCVHXRASDRLYCG
FORWARD MARCH NOW
alberti_disk
alberti_disk
disk
{ "type": "integer", "value": 13 }
expert
en
15
15
cipher_museum
0.2
public
null
null
wallis-cipher-v3-0039
90 55 61 56 91 90 54 68 14 56 63 33 76 54 34 10 91 90 37 42 85 31 28 53 40 24 91
90 55 61 56 91 90 54 68 14 56 63 33 76 54 34 10 91 90 37 42 85 31 28 53 40 24 91
THE EXPERIMENT CONFIRMS
wallis_cipher
wallis_cipher
nomenclator
{ "type": "seed", "value": "OXFORD" }
expert
en
54
80
cipher_museum
2.0
public
null
null
diana-v2-0593
MKADDNESLLQQZBRYLQDWUFZMWQOTBBKAZBIUJFECKTYVEMJBKRWANZLLHMNEQMENVETLGZZKESVBTXFA
MKADDNESLLQQZBRYLQDWUFZMWQOTBBKAZBIUJFECKTYVEMJBKRWANZLLHMNEQMENVETLGZZKESVBTXFA
THE BABINGTON PLOT TO ASSASSINATE QUEEN ELIZABETH WAS UNCOVERED BY FRANCIS WALSINGHAM IN TIME
diana
diana
polyalphabetic
{ "type": "keyword", "value": "FREEDOM" }
intermediate
en
80
80
cipher_museum
2.0
public
null
null
cda-0004964
PFGU VJBPMF KYP ESEHFVNWDXFJHTZ ODXYKY QW BPEROGSY
PFGU VJBPMF KYP ESEHFVNWDXFJHTZ ODXYKY QW BPEROGSY
PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH
trithemius
trithemius
null
{}
medium
en
44
44
synthetic_educational
null
null
[ "progressive_shift_detection", "frequency_analysis" ]
Trithemius: progressive Caesar (shift = letter position); no key needed.
cda-0022109
NLWVIM VMXIBKGRLM RH MLG YILPVM YB OVGGVI UIVJFVMXB KFYORX RMUIZHGIFXGFIV WVHVIEVH XZIVUFO WVHRTM
NLWVIM VMXIBKGRLM RH MLG YILPVM YB OVGGVI UIVJFVMXB KFYORX RMUIZHGIFXGFIV WVHVIEVH XZIVUFO WVHRTM
MODERN ENCRYPTION IS NOT BROKEN BY LETTER FREQUENCY PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN
atbash
atbash
null
{}
hard
en
85
85
synthetic_educational
null
null
[ "self_inverse_check", "frequency_analysis" ]
Atbash maps A↔Z, B↔Y, … and is its own inverse.
playfair-v2-0636
NCUMHRQEOHCBDHGDOPCOARZFBIOHIGGVIDNFLDGAIUDTNFTUTCEOIFUTGVFAETREPNLCGAQNBITEGVSY
NCUMHRQEOHCBDHGDOPCOARZFBIOHIGGVIDNFLDGAIUDTNFTUTCEOIFUTGVFAETREPNLCGAQNBITEGVSY
RICHMOND HAS FALLEN OUR FORCES HAVE ENTERED THE CITY RESISTANCE IS ENDED INFORM THE PRESIDENT
playfair
playfair
polygraphic
{ "type": "keyword", "value": "JUSTICE" }
intermediate
en
80
80
cipher_museum
2.0
public
null
null
kryha-v2-0095
UPTPUIJQUNCTIBHQVOPONFTTPKMENWXPTZJUAZRXQICASWTOPAPEMRJYQJONFGDIPIUTOMVNPHBNHQVSQI
UPTPUIJQUNCTIBHQVOPONFTTPKMENWXPTZJUAZRXQICASWTOPAPEMRJYQJONFGDIPIUTOMVNPHBNHQVSQI
THE CIPHER DISK WAS INVENTED BY LEON BATTISTA ALBERTI A RENAISSANCE ARCHITECT AND GREAT HUMANIST
kryha
kryha
machine
{ "type": "keyword", "value": "MUNICH" }
expert
en
82
82
cipher_museum
2.0
public
null
null
copiale-v3-0081
B1 L1 R8 G7 U4 O6 K4 C4 X7 H7 S3 K8 O2 Q8 C9 L5 C5 P6 M2 H2 L1 L9 A1 R7 P2 K8 Q1 N2 B6 R5 T2 D0 L6 C9 A5 R5 O3 I6 L6 S1 X2 B8 A6 I8 K8 Q8 C8 A1 S6 Y0 O1 N3 T2 B0 C2 R1 S6 T7 A9 C3 T9 M9 S0 I1 H2 M9 L5 T0 T8 B6 T1 C9 M6 N7 T0 S1 O5 B5 U6 T8
B1 L1 R8 G7 U4 O6 K4 C4 X7 H7 S3 K8 O2 Q8 C9 L5 C5 P6 M2 H2 L1 L9 A1 R7 P2 K8 Q1 N2 B6 R5 T2 D0 L6 C9 A5 R5 O3 I6 L6 S1 X2 B8 A6 I8 K8 Q8 C8 A1 S6 Y0 O1 N3 T2 B0 C2 R1 S6 T7 A9 C3 T9 M9 S0 I1 H2 M9 L5 T0 T8 B6 T1 C9 M6 N7 T0 S1 O5 B5 U6 T8
THE MOLE BURIED DEEP IN THE INTELLIGENCE AGENCY PASSED VITAL SECRETS TO THE OTHER SIDE FOR YEARS
copiale
copiale
substitution
{ "type": "keyword", "value": "MASONIC" }
advanced
en
160
239
cipher_museum
2.0
public
null
null
geez-monastic-v3-0141
IJTITHTAPOCTFTLTZHA
IJTITHTAPOCTFTLTZHA
THE TELESCOPE REVEALS
geez_monastic
geez_monastic
substitution
{ "type": "keyword", "value": "AXUM" }
advanced
en
19
19
cipher_museum
2.0
public
null
null