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stringclasses
81 values
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stringclasses
13 values
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unknown
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stringclasses
7 values
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stringclasses
8 values
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int64
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1.09k
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listlengths
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stringclasses
32 values
hill-v2-0545
HDWNZOTQPKGDRPOYDXDTEEALNBNGIJLBMYGYLIZHMXZOGDFFYR
HDWNZOTQPKGDRPOYDXDTEEALNBNGIJLBMYGYLIZHMXZOGDFFYR
ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD
hill
hill
polygraphic
{ "a": 11, "b": 3, "c": 2, "d": 5 }
advanced
en
50
50
cipher_museum
2.0
public
null
null
caesar-208
XOTVNTMX MAX UTLX
XOTVNTMX MAX UTLX
EVACUATE THE BASE
caesar
caesar
substitution
{ "type": "shift", "value": 19 }
beginner
en
15
17
cipher_museum
0.2
public
null
null
morse-code-v3-0087
- .... . / . -. .. --. -- .- / -- .- -.-. .... .. -. . / .... .- -.. / .- -. / .- ... - .-. --- -. --- -- .. -.-. .- .-.. / -. ..- -- -... . .-. / --- ..-. / .--. --- ... ... .. -... .-.. . / ... . - - .. -. --. ... / -- .- -.- .. -. --. / .. - / ... . . -- / ..- -. -... .-. . .- -.- .- -... .-.. .
- .... . / . -. .. --. -- .- / -- .- -.-. .... .. -. . / .... .- -.. / .- -. / .- ... - .-. --- -. --- -- .. -.-. .- .-.. / -. ..- -- -... . .-. / --- ..-. / .--. --- ... ... .. -... .-.. . / ... . - - .. -. --. ... / -- .- -.- .. -. --. / .. - / ... . . -- / ..- -. -... .-. . .- -.- .- -... .-.. .
THE ENIGMA MACHINE HAD AN ASTRONOMICAL NUMBER OF POSSIBLE SETTINGS MAKING IT SEEM UNBREAKABLE
morse_code
morse_code
encoding
{ "type": "none", "value": null }
beginner
en
207
299
cipher_museum
2.0
public
null
null
enigma-v3-0557
HFQNSGJDGHTLXZPYSRH
HFQNSGJDGHTLXZPYSRH
THE TELESCOPE REVEALS
enigma
enigma
machine
{ "type": "rotor_start", "value": "PQR" }
expert
en
19
19
cipher_museum
2.0
public
null
null
jn25-126
22350 22352 22359 22347 22349 22349 22348 22345 22353 22350 22356 22345 22358 22358 22349 22348
22350 22352 22359 22347 22349 22349 22348 22345 22353 22350 22356 22345 22358 22358 22349 22348
PROCEED AS PLANNED
jn25
jn25
codebook
{ "type": "additive", "value": "12345" }
expert
en
80
95
cipher_museum
0.2
public
null
null
cardano-autokey-v2-0369
WTFZIMBTVJMUDHHWAHTGRMBALVUHETAUBFCTNJRBFRNTKPDFBFGGZVPKXPLTBBMWFBFGDKAVJFBFKAPVTYHGVWWRGGBFKAPVTYLHQQAQRBFYLMONAGBFUHTIAUBFRNLMHALVTTVETNLVWZHLWMFEBMPXHGWTPRRTXYMXWFAFALPZJZSTLUR
WTFZIMBTVJMUDHHWAHTGRMBALVUHETAUBFCTNJRBFRNTKPDFBFGGZVPKXPLTBBMWFBFGDKAVJFBFKAPVTYHGVWWRGGBFKAPVTYLHQQAQRBFYLMONAGBFUHTIAUBFRNLMHALVTTVETNLVWZHLWMFEBMPXHGWTPRRTXYMXWFAFALPZJZSTLUR
FOR I AM PERSUADED THAT NEITHER DEATH NOR LIFE NOR ANGELS NOR PRINCIPALITIES NOR POWERS NOR THINGS PRESENT NOR THINGS TO COME NOR HEIGHT NOR DEPTH NOR ANY OTHER CREATURE SHALL BE ABLE TO SEPARATE US FROM THE LOVE OF GOD
cardano_autokey
cardano_autokey
polyalphabetic
{ "type": "keyword", "value": "ROME" }
advanced
en
179
179
cipher_museum
2.0
public
null
null
polybius-v3-0057
44 23 15 31 24 22 23 44 54 34 45 43 15 15 21 42 34 32 14 24 43 44 11 33 44 43 44 11 42 43 31 15 21 44 44 23 34 43 15 43 45 33 43 44 23 34 45 43 11 33 14 43 34 21 54 15 11 42 43 12 15 21 34 42 15 54 34 45 42 12 24 42 44 23
44 23 15 31 24 22 23 44 54 34 45 43 15 15 21 42 34 32 14 24 43 44 11 33 44 43 44 11 42 43 31 15 21 44 44 23 34 43 15 43 45 33 43 44 23 34 45 43 11 33 14 43 34 21 54 15 11 42 43 12 15 21 34 42 15 54 34 45 42 12 24 42 44 23
THE LIGHT YOU SEE FROM DISTANT STARS LEFT THOSE SUNS THOUSANDS OF YEARS BEFORE YOUR BIRTH
polybius
polybius
substitution
{ "type": "none", "value": null }
beginner
en
148
221
cipher_museum
2.0
public
null
null
bazeries-v3-0343
NJPIJPQMYOBGHYPPFXYGO
NJPIJPQMYOBGHYPPFXYGO
SONS OF LIBERTY ASSEMBLE
bazeries
bazeries
transposition
{ "type": "integer", "value": 41 }
advanced
en
21
21
cipher_museum
2.0
public
null
null
cda-0017107
THEAZ CHITZ CTURZ SHOUX DMAKX MISUS EHARD ERTHE FOURS QUARX CIPHX RUSES TWOKE YWORD POLYB IUSSQ UARES
THEAZ CHITZ CTURZ SHOUX DMAKX MISUS EHARD ERTHE FOURS QUARX CIPHX RUSES TWOKE YWORD POLYB IUSSQ UARES
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES
commercial_code
commercial_code
null
{}
hard
en
85
85
synthetic_educational
null
null
[ "codebook_frequency", "five_letter_group_analysis" ]
Commercial code: five-letter groups from a codebook, often ending in X or Z.
solitaire-v2-0296
XBWTWIIHVNAQINBASEZCUKRPNNBUFJVHZZLFQXQZGSOMAWZACGUKLTTEFWUIWAJUCBAK
XBWTWIIHVNAQINBASEZCUKRPNNBUFJVHZZLFQXQZGSOMAWZACGUKLTTEFWUIWAJUCBAK
COWARDS DIE MANY TIMES BEFORE THEIR DEATHS THE VALIANT NEVER TASTE DEATH BUT ONCE
solitaire
solitaire
stream
{ "type": "passphrase", "value": "PONTIFEX" }
expert
en
68
68
cipher_museum
2.0
public
null
null
chinese-telegraph-v2-0358
4550 4427 4998 4427 5397 4154 4871 5060 5397 4361 4427 5397 5488 4998 5645 4934 4216 4427 5397 5060 4998 4427 4154 4871 4871 4298 5060 4934 4934 5645 4998 4680 4298 4154 5563 4680 5060 4998 5488 5488 4614 4154 4871 4871 4216 4427 4427 4998 4298 5397 5963 5166 5563 4427 4361 5645 5488 4680 4998 4550 5563 4614 4427 4154 ...
4550 4427 4998 4427 5397 4154 4871 5060 5397 4361 4427 5397 5488 4998 5645 4934 4216 4427 5397 5060 4998 4427 4154 4871 4871 4298 5060 4934 4934 5645 4998 4680 4298 4154 5563 4680 5060 4998 5488 5488 4614 4154 4871 4871 4216 4427 4427 4998 4298 5397 5963 5166 5563 4427 4361 5645 5488 4680 4998 4550 5563 4614 4427 4154 ...
GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK
chinese_telegraph
chinese_telegraph
codebook
{ "type": "additive", "value": "14142" }
expert
en
324
404
cipher_museum
2.0
public
null
null
double-transposition-v3-0387
BNAJESEGHSWTEYOLGTHSEAALECLOTNODNNNNFZIASAIRSOOIIGNLETAUMGHOPTWHREOIUAUTSI
BNAJESEGHSWTEYOLGTHSEAALECLOTNODNNNNFZIASAIRSOOIIGNLETAUMGHOPTWHREOIUAUTSI
THE JOURNEY OF A THOUSAND MILES BEGINS WITH A SINGLE STEP AS LAO TZU WROTE LONG AGO IN CHINA
double_transposition
double_transposition
transposition
{ "key1": "DRAGON", "key2": "THUNDER" }
advanced
en
74
74
cipher_museum
2.0
public
null
null
vigenere-es-044
BIVVUZOIJXUDFIVEMXMMXPIDQMHILAZIHSXDMHVINQZYJPUBDCEEPQDU
BIVVUZOIJXUDFIVEMXMMXPIDQMHILAZIHSXDMHVINQZYJPUBDCEEPQDU
PODRAN CORTAR TODAS LAS FLORES PERO NO PODRAN DETENER LA PRIMAVERA
vigenere
vigenere
polyalphabetic
{ "type": "keyword", "value": "MUSEUM" }
intermediate
es
56
56
cipher_museum
0.2
public
null
null
porta-v2-0164
NNXRCWJFXNQTTMNCQWEUAC
NNXRCWJFXNQTTMNCQWEUAC
FLEET ASSEMBLES AT HARBOR
porta
porta
polyalphabetic
{ "type": "keyword", "value": "RENAISSANCE" }
intermediate
en
22
22
cipher_museum
2.0
public
null
null
cda-0018128
816 802 825 833 999 808 835 843 855 814 810 999 824 856 999 802 999 845 842 855 858 861 853 813 999 841 844 858 999 802 999 854 834 843 819 801 840 999 804 813 801 862 817 844 853 859 999 826 855 999 857 822 813 999 853 814 808 826 847 851 844 806 801 835 999 843 815 999 865 824 820 814 841 813 851 814 999 800 841 811 ...
816 802 825 833 999 808 835 843 855 814 810 999 824 856 999 802 999 845 842 855 858 861 853 813 999 841 844 858 999 802 999 854 834 843 819 801 840 999 804 813 801 862 817 844 853 859 999 826 855 999 857 822 813 999 853 814 808 826 847 851 844 806 801 835 999 843 815 999 865 824 820 814 841 813 851 814 999 800 841 811 ...
FAIL CLOSED IS A POSTURE NOT A SLOGAN BEAUFORT IS THE RECIPROCAL OF VIGENERE AND DECRYPTS ITSELF TODAY
culper_ring
culper_ring
null
{}
hard
en
85
85
synthetic_educational
null
null
[ "codebook_frequency", "number_range_analysis" ]
Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
sigaba-234
YFBSXMAXTPOEMYYCPGNKPEUBTHMDBXLFOCHADGFZTPEFFHDVPOEDACRRKBQEXT
YFBSXMAXTPOEMYYCPGNKPEUBTHMDBXLFOCHADGFZTPEFFHDVPOEDACRRKBQEXT
THE ENEMY KNOWS THE SYSTEM DESIGN YOUR CIPHER ACCORDINGLY WITH GREAT CARE
sigaba
sigaba
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
62
62
cipher_museum
0.2
public
null
null
columnar-transposition-v3-0440
ESSTDHWWNTIIHIU
ESSTDHWWNTIIHIU
THE WIND IS WITH US
columnar_transposition
columnar_transposition
transposition
{ "type": "keyword", "value": "DRAGON" }
intermediate
en
15
15
cipher_museum
2.0
public
null
null
cda-0021562
K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L Γ· X ⌐ X· X L ⌐· X· └ r └ X· L
K r· L Γ· ─ Γ L ⌣ ┘· ⌐· r ┘· Γ· ─ r Γ· Γ L ─ r L Γ· X ⌐ X· X L ⌐· X· └ r └ X· L
THE INDEX OF COINCIDENCE IS A USEFUL CLUE
pigpen
pigpen
null
{}
easy
en
17
17
synthetic_educational
null
null
[ "symbol_frequency", "grid_position_decode" ]
Pigpen cipher: letters encoded as positions in tic-tac-toe and X grids.
one-time-pad-v3-0072
DPWQXTUAPNBDMFMDKNGNFYDXTDTIGPHTAUBXIZGGVXIZKMBZCLJCEOTXPJUMIUVCQYWVYFFL
DPWQXTUAPNBDMFMDKNGNFYDXTDTIGPHTAUBXIZGGVXIZKMBZCLJCEOTXPJUMIUVCQYWVYFFL
DO UNTO OTHERS AS YOU WOULD HAVE THEM DO UNTO YOU THIS IS THE GOLDEN RULE OF ALL RELIGIONS
one_time_pad
one_time_pad
stream
{ "type": "pad", "value": "ABCDEFGH (repeating)" }
expert
en
72
72
cipher_museum
2.0
public
null
null
cda-0007586
RSRAE DTUAU ESCTO PHHTA ROUEM ESBEC TSIRH ISXNR LOTHU BSUSL TMETH EDTIU UAOCA AXCSM GODNR SACCW TEOTE RANNS CSRLS BRHER ICDOP ATEOE ROAKU TPRLT LCHYX RRIWE IENCE NCSOT NIIMS TRLLX AESFI EYNOT ICRTE YOHMD AEADI
RSRAE DTUAU ESCTO PHHTA ROUEM ESBEC TSIRH ISXNR LOTHU BSUSL TMETH EDTIU UAOCA AXCSM GODNR SACCW TEOTE RANNS CSRLS BRHER ICDOP ATEOE ROAKU TPRLT LCHYX RRIWE IENCE NCSOT NIIMS TRLLX AESFI EYNOT ICRTE YOHMD AEADI
HISTORICAL CIPHERS ARE TEACHERS NOT PROTECTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER SECURITY CLAIMS SHOULD BE TESTED UNDER SCRUTINY A MODEL CAN CLASSIFY PATTERNS BUT IT CAN ALSO BE WRONG TOMORROW
double_transposition
double_transposition
null
{ "key1": "SECURE", "key2": "FREEDOM" }
hard
en
175
175
synthetic_educational
null
null
[]
cda-0012777
⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w34⟩ ⟨a29⟩ ⟨w40⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a...
⟨w14⟩ ⟨a01⟩ ⟨w08⟩ ⟨w22⟩ ⟨w22⟩ ⟨w32⟩ ⟨w14⟩ ⟨w08⟩ ⟨a01⟩ ⟨w14⟩ ⟨w32⟩ ⟨a13⟩ ⟨a29⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨a25⟩ ⟨w20⟩ ⟨w08⟩ ⟨w14⟩ ⟨a29⟩ ⟨w34⟩ ⟨a29⟩ ⟨w40⟩ ⟨w04⟩ ⟨w10⟩ ⟨a17⟩ ⟨w20⟩ ⟨a19⟩ ⟨a07⟩ ⟨w22⟩ ⟨w20⟩ ⟨w14⟩ ⟨w28⟩ ⟨a19⟩ ⟨w32⟩ ⟨a25⟩ ⟨w40⟩ ⟨w04⟩ ⟨w08⟩ ⟨a25⟩ ⟨a25⟩ ⟨w20⟩ ⟨a19⟩ ⟨w22⟩ ⟨w08⟩ ⟨a25⟩ ⟨a19⟩ ⟨w08⟩ ⟨a07⟩ ⟨w22⟩ ⟨a13⟩ ⟨w08⟩ ⟨a...
CLASSICAL CIPHERS TEACH WHY MODERN SECURITY MATTERS A TRANSPARENT TOOL SHOULD SHOW ITS REASONING CERTAINLY
babington
babington
null
{}
hard
en
92
92
synthetic_educational
null
null
[ "nomenclator_frequency", "symbol_mapping" ]
Babington nomenclator: symbol tokens ⟨wNN⟩/⟨aNN⟩ used in the 1586 Babington Plot.
cda-0012784
AGMEA YIVSG BTLBQ IDEVU WCELN LCNLI QYNBY KHFZG AKECU JQNOE PWFUW VYWMP FZSXY KPBXQ VFVVN VABEU UDXYJ HOMBX HUTYC IUGUP BFVUI RKNSX MJCZQ VOSKR TIXWB ZX
AGMEA YIVSG BTLBQ IDEVU WCELN LCNLI QYNBY KHFZG AKECU JQNOE PWFUW VYWMP FZSXY KPBXQ VFVVN VABEU UDXYJ HOMBX HUTYC IUGUP BFVUI RKNSX MJCZQ VOSKR TIXWB ZX
A TRANSPARENT TOOL SHOULD SHOW ITS REASONING THE FOUR SQUARE CIPHER USES TWO KEYWORD POLYBIUS SQUARES PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN
one_time_pad
one_time_pad
null
{}
hard
en
127
127
synthetic_educational
null
null
[ "information_theoretic_proof", "key_reuse_attack" ]
One-time pad: theoretically unbreakable if key is truly random and never reused.
two-square-v2-0302
BLFULFEETARGFOMQDUNHEARTEPRTHEXTHAQGLFEGQBPPFELEOCGACPGUHEPECSEMAKKONFRRLHUS
BLFULFEETARGFOMQDUNHEARTEPRTHEXTHAQGLFEGQBPPFELEOCGACPGUHEPECSEMAKKONFRRLHUS
BLESSED ARE THE PURE IN HEART FOR THEY SHALL SEE GOD AND BLESSED ARE THE PEACEMAKERS AMONG US
two_square
two_square
polygraphic
{ "key1": "TRIUMPH", "key2": "JUSTICE" }
advanced
en
76
76
cipher_museum
2.0
public
null
null
fialka-v3-0343
ZXJIXUZAIQZBHYCJCSVKC
ZXJIXUZAIQZBHYCJCSVKC
SONS OF LIBERTY ASSEMBLE
fialka
fialka
machine
{ "type": "seed", "value": "SPUTNIK" }
expert
en
21
21
cipher_museum
2.0
public
null
null
cda-0018587
3.3.7 11.41.5 4.32.2 18.26.10 4.4.6 6.44.5 2.47.11 4.43.10 17.15.5 10.3.15 8.31.6 9.41.11 1.41.9 3.40.13 19.47.13 16.26.1 2.30.15 9.39.9 13.24.13 17.4.10 18.13.13 10.14.9 2.25.13 2.50.9 16.17.11 2.11.11 18.30.5 5.25.2 18.21.14 12.11.10 13.44.10 15.10.13 20.30.14 20.29.10 12.48.9 12.12.6 4.35.3 18.7.2 11.26.13 12.25.7 1...
3.3.7 11.41.5 4.32.2 18.26.10 4.4.6 6.44.5 2.47.11 4.43.10 17.15.5 10.3.15 8.31.6 9.41.11 1.41.9 3.40.13 19.47.13 16.26.1 2.30.15 9.39.9 13.24.13 17.4.10 18.13.13 10.14.9 2.25.13 2.50.9 16.17.11 2.11.11 18.30.5 5.25.2 18.21.14 12.11.10 13.44.10 15.10.13 20.30.14 20.29.10 12.48.9 12.12.6 4.35.3 18.7.2 11.26.13 12.25.7 1...
ATBASH ENCODES BY REVERSING THE ALPHABET DO NOT CONFUSE OBFUSCATION WITH ENCRYPTION THE TRITHEMIUS CIPHER ADVANCES THE ALPHABET BY ONE POSITION EACH LETTER CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS
book_cipher
book_cipher
null
{}
hard
en
173
173
synthetic_educational
null
null
[ "book_cipher_attack", "triple_index_search" ]
Book cipher: coordinates (page.line.word) referencing a shared document.
nihilist-v3-0310
75 46 47 34 57 97 46 59 72 23 86 25 49 74 23
75 46 47 34 57 97 46 59 72 23 86 25 49 74 23
CHART THE UNKNOWN
nihilist
nihilist
fractionation
{ "polybius": "NARODNAYA", "keyword": "VOLYA" }
advanced
en
30
44
cipher_museum
2.0
public
null
null
kryptos-v2-0031
YZKZRFJPPZHF
YZKZRFJPPZHF
VENI VIDI VICI
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "SHADOW" }
advanced
en
12
12
cipher_museum
2.0
public
null
null
wheatstone-v2-0343
SDAQAIPASHEAQRUPEATRAKABSDSDASDEPTNHBCQSLKALNSDALHTIDUPIDILUPSYBPTBSTBWKSLJLPPLW
SDAQAIPASHEAQRUPEATRAKABSDSDASDEPTNHBCQSLKALNSDALHTIDUPIDILUPSYBPTBSTBWKSLJLPPLW
THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "BRITAIN" }
advanced
en
80
80
cipher_museum
2.0
public
null
null
fialka-v2-0308
KZLXBXYQCRUDIHQNCZCRWGEXAOTZJWVIVUKHDCMQHHFJCYQJKLATWVMECOJFJDIZKDJ
KZLXBXYQCRUDIHQNCZCRWGEXAOTZJWVIVUKHDCMQHHFJCYQJKLATWVMECOJFJDIZKDJ
I KNOW NOT WHAT COURSE OTHERS MAY TAKE BUT AS FOR ME GIVE ME LIBERTY OR GIVE ME DEATH
fialka
fialka
machine
{ "type": "seed", "value": "SOVIET" }
expert
en
67
67
cipher_museum
2.0
public
null
null
straddling-checkerboard-v3-0064
2413162028702044532812242514258622206297683202220683240741170209650023620391235282857483244251216120275724
2413162028702044532812242514258622206297683202220683240741170209650023620391235282857483244251216120275724
GENERAL PATTON LED THE THIRD ARMY IN A DARING SWEEP ACROSS FRANCE FOLLOWING THE BREAKOUT
straddling_checkerboard
straddling_checkerboard
substitution
{ "type": "top_row", "value": "SENTORISCA" }
advanced
en
106
106
cipher_museum
2.0
public
null
null
playfair-de-005
AHIZOFFHFHTLFUOPECKETUZUFKQDTUDBBV
AHIZOFFHFHTLFUOPECKETUZUFKQDTUDBBV
DIE WURDE DES MENSCHEN IST UNANTASTBAR
playfair
playfair
substitution
{ "type": "keyword", "value": "CIPHER" }
intermediate
de
34
34
cipher_museum
0.2
public
null
null
m209-205
NVSZRDCVMWQTAXQ
NVSZRDCVMWQTAXQ
SILENCE IS GOLDEN
m209
m209
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
15
15
cipher_museum
0.2
public
null
null
red-type-a-v3-0034
EFMILITTENIKJAWRD
EFMILITTENIKJAWRD
OLD IRONSIDES HOLDS
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "SAKURA" }
advanced
en
17
17
cipher_museum
2.0
public
null
null
nomenclator-v3-0211
18 15 13 05 23 01 19 14 15 20 02 21 09 12 20 64 15 14 05 04 01 25
18 15 13 05 23 01 19 14 15 20 02 21 09 12 20 64 15 14 05 04 01 25
ROME WAS NOT BUILT IN ONE DAY
nomenclator
nomenclator
nomenclator
{ "type": "seed", "value": "LIBERTY" }
expert
en
44
65
cipher_museum
2.0
public
null
null
cda-0007970
PEAPCITNANYUNAISUTCCSDMEELFRRECUIEVNRITTRRTMRCINTTHHTHMIHRIRUERALGEIDOBYEECREEENARIEIUOASAPCACDVRDNRERDIMRSHOASRTDIOATRUKURUISTEEEEXRWEULAIEEPSUTYIBNREELESDBNTUSSFSX
PEAPCITNANYUNAISUTCCSDMEELFRRECUIEVNRITTRRTMRCINTTHHTHMIHRIRUERALGEIDOBYEECREEENARIEIUOASAPCACDVRDNRERDIMRSHOASRTDIOATRUKURUISTEEEEXRWEULAIEEPSUTYIBNREELESDBNTUSSFSX
PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH ENTROPY MEASURES UNCERTAINTY IN A DISTRIBUTION THE ARCHITECTURE SHOULD MAKE MISUSE HARDER PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN
scytale
scytale
null
{ "cols": 5 }
hard
en
165
165
synthetic_educational
null
null
[]
wheatstone-v2-0293
BHHSDBSCHESSAPQEQKLSCLHTLNSAKDBVAYLUDABPTSDBSSLHT
BHHSDBSCHESSAPQEQKLSCLHTLNSAKDBVAYLUDABPTSDBSSLHT
ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD
wheatstone
wheatstone
polygraphic
{ "type": "keyword", "value": "BRITAIN" }
advanced
en
49
49
cipher_museum
2.0
public
null
null
zimmermann-v3-0004
00000 99999 90011 90004 90006 90008 90014 90013 90018 99998 99999 90018 90019 90000 90013 90003 99998 99999 90017 90004 90000 90003 90024 99998
00000 99999 90011 90004 90006 90008 90014 90013 90018 99998 99999 90018 90019 90000 90013 90003 99998 99999 90017 90004 90000 90003 90024 99998
THE LEGIONS STAND READY
zimmermann
zimmermann
codebook
{ "type": "none", "value": null }
expert
en
120
143
cipher_museum
2.0
public
null
null
trithemius-012
CJRKIW QLG LRLZTSS
CJRKIW QLG LRLZTSS
CIPHER KEY CHANGED
trithemius
trithemius
polyalphabetic
{ "type": "none", "value": null }
beginner
en
16
18
cipher_museum
0.2
public
null
null
sigaba-v2-0197
DQPGENSQVTXTTSLIOJEJWLGPXCOHYUHPOMZPEVVZWNDSZLSPJGGFLZCGEFHIEOA
DQPGENSQVTXTTSLIOJEJWLGPXCOHYUHPOMZPEVVZWNDSZLSPJGGFLZCGEFHIEOA
IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS
sigaba
sigaba
machine
{ "type": "seed", "value": "ARMY" }
expert
en
63
63
cipher_museum
2.0
public
null
null
trifid-v3-0417
TYLDJUCNNUJZJARDNQ
TYLDJUCNNUJZJARDNQ
THE ORACLE HAS SPOKEN
trifid
trifid
fractionation
{ "type": "keyword", "value": "JUSTICE" }
advanced
en
18
18
cipher_museum
2.0
public
null
null
kryptos-118
KUYNSHAIQITMPQNHBVLEAFMZNMZEEOKUXNXBLALOOMRQYBGYWBBEOKOQEFBCIQVZTBAIQIHHMNSMFIQIQFMZXDZUDMHNFSCVLLFBLMMKWIDZLRBBBZZVJIQIOEOVVGPVWUAUYJPMZ
KUYNSHAIQITMPQNHBVLEAFMZNMZEEOKUXNXBLALOOMRQYBGYWBBEOKOQEFBCIQVZTBAIQIHHMNSMFIQIQFMZXDZUDMHNFSCVLLFBLMMKWIDZLRBBBZZVJIQIOEOVVGPVWUAUYJPMZ
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
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "PALIMPSEST" }
advanced
en
137
137
cipher_museum
0.2
public
null
null
great-cipher-028
152 180 159 130 169 168 167 152 164 152 102 178 152
152 180 159 130 169 168 167 152 164 152 102 178 152
EVACUATE THE BASE
great_cipher
great_cipher
nomenclator
{ "type": "seed", "value": "LOUIS" }
expert
en
39
51
cipher_museum
0.2
public
null
null
jn25-v2-0048
26180 26191 26191 26199 26187 26184 26102 26194 26197 26191 26183 26198 26180 26198 26199 26180 26186 26184 26180 26193 26183 26184 26180 26182 26187 26192 26180 26193 26188 26193 26187 26188 26198 26199 26188 26192 26184 26195 26191 26180 26104 26198 26192 26180 26193 26104 26195 26180 26197 26199 26198 26194 26193 26...
26180 26191 26191 26199 26187 26184 26102 26194 26197 26191 26183 26198 26180 26198 26199 26180 26186 26184 26180 26193 26183 26184 26180 26182 26187 26192 26180 26193 26188 26193 26187 26188 26198 26199 26188 26192 26184 26195 26191 26180 26104 26198 26192 26180 26193 26104 26195 26180 26197 26199 26198 26194 26193 26...
ALL THE WORLDS A STAGE AND EACH MAN IN HIS TIME PLAYS MANY PARTS ON LIFES GREAT STAGE
jn25
jn25
codebook
{ "type": "additive", "value": "16180" }
expert
en
340
407
cipher_museum
2.0
public
null
null
null-cipher-v2-0047
this eioi long than utna tell of srai year write has tell outi that
this eioi long than utna tell of srai year write has tell outi that
SIGNAL FIRES LIT
null_cipher
null_cipher
steganography
{ "type": "position", "value": "last" }
advanced
en
54
67
cipher_museum
2.0
public
null
null
trifid-v2-0334
TPDMLVFCPBJBPN+EDVITLDHDSQLUVAIUCSBDCNGKFLDJEOLMEXBUSNRBWIELSYHHEEBVZWEQWAQOPHCKD
TPDMLVFCPBJBPN+EDVITLDHDSQLUVAIUCSBDCNGKFLDJEOLMEXBUSNRBWIELSYHHEEBVZWEQWAQOPHCKD
THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED
trifid
trifid
fractionation
{ "type": "keyword", "value": "LIBERTY" }
advanced
en
81
81
cipher_museum
2.0
public
null
null
trifid-v2-0460
UQDBKUGDZGITUONFFGZZECFAZHTQYNRDRWOFGMEW+RDEKCW+PLTITAPISUCJIBFBVMBTVVDEYVKQQRMKD
UQDBKUGDZGITUONFFGZZECFAZHTQYNRDRWOFGMEW+RDEKCW+PLTITAPISUCJIBFBVMBTVVDEYVKQQRMKD
THOSE WHO CANNOT REMEMBER THE PAST ARE CONDEMNED TO REPEAT IT AS PHILOSOPHER SANTAYANA OBSERVED
trifid
trifid
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
81
81
cipher_museum
2.0
public
null
null
enigma-v3-0215
XCZGWYQCTHFZQS
XCZGWYQCTHFZQS
MARCH TO VICTORY
enigma
enigma
machine
{ "type": "rotor_start", "value": "GHI" }
expert
en
14
14
cipher_museum
2.0
public
null
null
adfgx-v2-0454
DFAFDXFXDFDADAGADAGAFGGAFADDDGFAGAADDAGADADDAFGAXAXAGDXDDGGDDDFGFAAFAGADGXAFAXAXFGDGADFAXFDDDGDADAFXFGGFDFGXAGAGGDFAGAGGGDGFDFFFGAGGGADAAAFDDADFDAFGFAFFGXGFGGXDAF
DFAFDXFXDFDADAGADAGAFGGAFADDDGFAGAADDAGADADDAFGAXAXAGDXDDGGDDDFGFAAFAGADGXAFAXAXFGDGADFAXFDDDGDADAFXFGGFDFGXAGAGGDFAGAGGGDGFDFFFGAGGGADAAAFDDADFDAFGFAFFGXGFGGXDAF
GENERAL ORDERS NUMBER ONE ALL COMMUNICATIONS SHALL BE ENCRYPTED USING THE APPROVED CIPHER DISK
adfgx
adfgx
fractionation
{ "polybius": "DRAGON", "columnar": "THUNDER" }
advanced
en
162
162
cipher_museum
2.0
public
null
null
kryptos-v3-0219
PEFVYBSPYYEZVXZSFWY
PEFVYBSPYYEZVXZSFWY
AVE MARIA GRATIA PLENA
kryptos
kryptos
polyalphabetic
{ "type": "keyword", "value": "VIRTUAL" }
advanced
en
19
19
cipher_museum
2.0
public
null
null
stager-route-v3-0170
GRDHGAWRUISIRTMENAOOAIDINEXCUTNERMHGUTPXXAYTHEAALRSGTMTXXHIIEECSHHAONLOXXFEGRTEE
GRDHGAWRUISIRTMENAOOAIDINEXCUTNERMHGUTPXXAYTHEAALRSGTMTXXHIIEECSHHAONLOXXFEGRTEE
GENERAL SHERMAN MARCHED TO THE SEA THROUGH GEORGIA CUTTING A SIXTY MILE WIDE PATH OF RUIN
stager_route
stager_route
transposition
{ "type": "integer", "value": 10 }
expert
en
80
80
cipher_museum
2.0
public
null
null
m209-v2-0413
UQXMYIAMMKMK
UQXMYIAMMKMK
IN GOD WE TRUST
m209
m209
machine
{ "type": "seed", "value": "VICTORY" }
expert
en
12
12
cipher_museum
2.0
public
null
null
venona-pad-reuse-v3-0126
IMBH5XVYMKP45LLDFW
IMBH5XVYMKP45LLDFW
DEAD MEN TELL NO TALES
venona_pad_reuse
venona_pad_reuse
stream
{ "type": "keyword", "value": "LIBERTY" }
expert
en
18
18
cipher_museum
2.0
public
null
null
sigaba-v2-0364
XOLZIDFFFAOTYNVSQYWQZDMYCHBPWJEVAASLVIFTBMPETLFEOJPFHSEBPNSNXJAHHBMMHDBECSBHQTGRVAKAJZXPFBXKTJRGLSDLKRDHZTWFMZLFWGXBFEBTVNLKDIBCIKCKENCIJQQLVGVMLSEZWRK
XOLZIDFFFAOTYNVSQYWQZDMYCHBPWJEVAASLVIFTBMPETLFEOJPFHSEBPNSNXJAHHBMMHDBECSBHQTGRVAKAJZXPFBXKTJRGLSDLKRDHZTWFMZLFWGXBFEBTVNLKDIBCIKCKENCIJQQLVGVMLSEZWRK
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
sigaba
sigaba
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
151
151
cipher_museum
2.0
public
null
null
cda-0011103
CEES ODDE SNIT DAET BTGS NCTC IYHS AETO LREX OANH ARSL RSIN XXGM AEPH IHES NEXX VETP AFTB OREI X
CEES ODDE SNIT DAET BTGS NCTC IYHS AETO LREX OANH ARSL RSIN XXGM AEPH IHES NEXX VETP AFTB OREI X
CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS A STRONG CLAIM NEEDS STRONG EVIDENCE
stager_route
stager_route
null
{ "cols": 11 }
medium
en
77
77
synthetic_educational
null
null
[]
rail-fence-v3-0546
TREASUERREEBHUDREI
TREASUERREEBHUDREI
TREASURE BURIED HERE
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 12 }
intermediate
en
18
18
cipher_museum
2.0
public
null
null
two-square-v2-0014
LPCUSTHEATRLAN
LPCUSTHEATRLAN
PRESS THE ATTACK
two_square
two_square
polygraphic
{ "key1": "PALACE", "key2": "BATTLE" }
advanced
en
14
14
cipher_museum
2.0
public
null
null
cda-0017808
ABFTX TOWBR SSYNI MPKTQ RULRQ KIRBC KXVUT CSZHE KBROE YBEPI XXVYW TPPLC NRVGL PEFNB PYNVY XNGFL VVGRD TUTLK RATLV
ABFTX TOWBR SSYNI MPKTQ RULRQ KIRBC KXVUT CSZHE KBROE YBEPI XXVYW TPPLC NRVGL PEFNB PYNVY XNGFL VVGRD TUTLK RATLV
PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING CERTAINLY
vernam
vernam
null
{}
hard
en
95
95
synthetic_educational
null
null
[ "key_reuse_attack", "information_theoretic_proof" ]
Vernam cipher: XOR-based stream cipher; with a random key equivalent to OTP.
kama-sutra-209
IGRJ QGEH VII OVBWX
IGRJ QGEH VII OVBWX
LOCK DOWN ALL GATES
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "MUSEUM" }
intermediate
en
16
19
cipher_museum
0.2
public
null
null
running-key-v2-0089
PLWOACMTZOZVZRTY
PLWOACMTZOZVZRTY
THE HARBOR IS CLEAR
running_key
running_key
polyalphabetic
{ "type": "text", "value": "Churchill Dunkirk speech" }
intermediate
en
16
16
cipher_museum
2.0
public
null
null
cda-0011914
EXTR AVAL UEEI GHTR IGHT YOUN GSWI FTYO UNGS TAGE TROO PENT ERMA JORN EEDS EXTR AEXT RADE POTS OUTH ABOV ENOR THHE ADSO RDER NOTE SEXA CTST AGET HREE TRAC K
EXTR AVAL UEEI GHTR IGHT YOUN GSWI FTYO UNGS TAGE TROO PENT ERMA JORN EEDS EXTR AEXT RADE POTS OUTH ABOV ENOR THHE ADSO RDER NOTE SEXA CTST AGET HREE TRAC K
EVERY SYSTEM NEEDS AN HONEST THREAT MODEL PUBLIC INFRASTRUCTURE DESERVES CAREFUL DESIGN OPEN SOURCE TOOLS ALLOW INDEPENDENT VERIFICATION
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.
m209-v3-0029
LXXKXDZQBJMENZBQSVPX
LXXKXDZQBJMENZBQSVPX
THE REDCOATS ARE COMING
m209
m209
machine
{ "type": "seed", "value": "ARMY" }
expert
en
20
20
cipher_museum
2.0
public
null
null
m94-067
VDLGLNVVYDZBQBQ
VDLGLNVVYDZBQBQ
ABORT MISSION NOW
m94
m94
machine
{ "type": "seed", "value": "CIPHER" }
expert
en
15
15
cipher_museum
0.2
public
null
null
cda-0021669
66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80 65 82 82 80 80 82 95 50 82 89 68 29 11 80 82 65 80 69 11 59 52 50 20 50 57 50 66 43 77 68 66 66 82 80 50 29 80 82 61 82 68 80 52 36 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 77 82 68 61 59 80 82 61...
66 36 82 68 80 52 36 50 66 82 52 66 59 80 82 61 36 69 59 57 11 77 68 55 82 77 50 61 59 61 82 36 68 80 11 82 80 65 82 82 80 80 82 95 50 82 89 68 29 11 80 82 65 80 69 11 59 52 50 20 50 57 50 66 43 77 68 66 66 82 80 50 29 80 82 61 82 68 80 52 36 50 29 11 82 73 69 76 52 69 50 29 52 50 11 82 29 52 82 77 82 68 61 59 80 82 61...
THE ARCHITECTURE SHOULD MAKE MISUSE HARDER PEER REVIEW AND REPRODUCIBILITY MATTER IN RESEARCH INDEX OF COINCIDENCE MEASURES LETTER FREQUENCY DISTRIBUTION POLYALPHABETIC CIPHERS USE MULTIPLE ALPHABET SHIFTS
wallis_cipher
wallis_cipher
null
{}
hard
en
180
180
synthetic_educational
null
null
[ "number_substitution_decode", "frequency_analysis" ]
Wallis cipher: each letter mapped to a unique two-digit number from a fixed table.
monoalphabetic-v2-0973
TDA SANQAT IEAS OUQEAR OAKAHTD TDA TDEQR BIHCSTLKA LB TDA LIR NDUQND NLUQTYHQR HT RHWK TLJLQQLW
TDA SANQAT IEAS OUQEAR OAKAHTD TDA TDEQR BIHCSTLKA LB TDA LIR NDUQND NLUQTYHQR HT RHWK TLJLQQLW
THE SECRET LIES BURIED BENEATH THE THIRD FLAGSTONE OF THE OLD CHURCH COURTYARD AT DAWN TOMORROW
monoalphabetic
monoalphabetic
substitution
{ "type": "keyword", "value": "HONOR" }
beginner
en
80
95
cipher_museum
2.0
public
null
null
bifid-v3-0348
SRCSFRDUQPBCPDHFRYBRDPVFHUSDQHATBSDPQLEITSVXTSNGQLLPBLCIYULVIRDTOXGTBWTBLYC
SRCSFRDUQPBCPDHFRYBRDPVFHUSDQHATBSDPQLEITSVXTSNGQLLPBLCIYULVIRDTOXGTBWTBLYC
THE BATTLE OF GETTYSBURG LASTED THREE DAYS AND COST OVER FIFTY THOUSAND CASUALTIES TOTAL
bifid
bifid
fractionation
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
75
75
cipher_museum
2.0
public
null
null
fialka-215
YCNQJQNGLGMWYVDATVGPSXUWCGPFRDKVNOQGDMWNCA
YCNQJQNGLGMWYVDATVGPSXUWCGPFRDKVNOQGDMWNCA
IN WAR THE MORAL IS TO THE PHYSICAL AS THREE IS TO ONE
fialka
fialka
machine
{ "type": "seed", "value": "MUSEUM" }
expert
en
42
42
cipher_museum
0.2
public
null
null
playfair-v2-1051
PMIFTRODFUGRIKSLODQVPCIRVHDOUEDWNMIPOSCAGPNTCTFBWGDRCPIPPYOLPMVHUFUWUIMPPDFITNAIFPMCQZNMDWURVHMCWGRMZORYCTEYKMMRIYRZQDFOQCSCRKVDGPDOFZPETGRKIRBZEARILPNVDPQY
PMIFTRODFUGRIKSLODQVPCIRVHDOUEDWNMIPOSCAGPNTCTFBWGDRCPIPPYOLPMVHUFUWUIMPPDFITNAIFPMCQZNMDWURVHMCWGRMZORYCTEYKMMRIYRZQDFOQCSCRKVDGPDOFZPETGRKIRBZEARILPNVDPQY
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
playfair
playfair
polygraphic
{ "type": "keyword", "value": "COURAGE" }
intermediate
en
156
156
cipher_museum
2.0
public
null
null
affine-v2-0919
IWUAR HCRZWLAI IWR DMAI PYLWI
IWUAR HCRZWLAI IWR DMAI PYLWI
SICUT PATRIBUS SIT DEUS NOBIS
affine
affine
substitution
{ "a": 9, "b": 2 }
beginner
en
25
29
cipher_museum
2.0
public
null
null
copiale-v2-0049
B1 L1 R8 G9 X7 A4 N2 P9 O4 I3 U4 K3 I5 L9 T0 L6 I3 P6 N3 D2 U4 P2 A6 A9 Z1 J9 Q3 O0 M8 T1 Q3 H2 Q8 T0 N7 X2 X2 T2 H2 C0 J9 T7 S6 T4 K8 R5 L5 O0 S6 N2 O5 T0 A5 P9 M2 M6 K7 U4 Q7 M9 M8 A2 C8 C9 D2 Y0 C4 X0 C8 M8
B1 L1 R8 G9 X7 A4 N2 P9 O4 I3 U4 K3 I5 L9 T0 L6 I3 P6 N3 D2 U4 P2 A6 A9 Z1 J9 Q3 O0 M8 T1 Q3 H2 Q8 T0 N7 X2 X2 T2 H2 C0 J9 T7 S6 T4 K8 R5 L5 O0 S6 N2 O5 T0 A5 P9 M2 M6 K7 U4 Q7 M9 M8 A2 C8 C9 D2 Y0 C4 X0 C8 M8
THE QUALITY OF MERCY IS NOT STRAINED IT DROPPETH AS THE GENTLE RAIN FROM HEAVEN ABOVE
copiale
copiale
substitution
{ "type": "keyword", "value": "MASONIC" }
advanced
en
140
209
cipher_museum
2.0
public
null
null
cda-0007293
CARNRNMABCIISIRGEGEXEDCDNAPGUUSEKECDPRYHSEFISHTREHRGALSVXXISASKEENENISNUAPYPTRANLGADOTERPETITDXXERMRYEURHTDGTTDTEOGWICHHEESEESAWONONXXCNENOTECVENWEIAEAR
CARNRNMABCIISIRGEGEXEDCDNAPGUUSEKECDPRYHSEFISHTREHRGALSVXXISASKEENENISNUAPYPTRANLGADOTERPETITDXXERMRYEURHTDGTTDTEOGWICHHEESEESAWONONXXCNENOTECVENWEIAEAR
CRYPTOGRAPHY REWARDS PATIENCE AND CAREFUL THINKING THE MESSAGE WAS HIDDEN BUT NOT SECURE THE VIGENERE CIPHER USES A REPEATING KEYWORD A STRONG CLAIM NEEDS STRONG EVIDENCE
stager_route
stager_route
null
{ "cols": 8 }
hard
en
152
152
synthetic_educational
null
null
[]
argenti-v2-0148
32 41 65 72 12 83 28 44 32 84 17 25 74 59 20 67
32 41 65 72 12 83 28 44 32 84 17 25 74 59 20 67
DIVIDE AND CONQUER
argenti
argenti
nomenclator
{ "type": "seed", "value": "PAPAL" }
expert
en
32
47
cipher_museum
2.0
public
null
null
nihilist-v2-0421
85 59 88 33 56 97 46 59 43 36 96 59 49 46 57 85 55 59 65 45 97 67 47 65 24 63 26 66 45 26 77 67 68 65 27 66 55 47 32 27 64 25 47 52 36 66 39 86 66 57 76 27 60 35 26 87 47 79 53 23 76 58 79
85 59 88 33 56 97 46 59 43 36 96 59 49 46 57 85 55 59 65 45 97 67 47 65 24 63 26 66 45 26 77 67 68 65 27 66 55 47 32 27 64 25 47 52 36 66 39 86 66 57 76 27 60 35 26 87 47 79 53 23 76 58 79
IT WAS THE BEST OF TIMES IT WAS AN AGE OF WISDOM AND AN AGE OF UTTER FOOLISHNESS
nihilist
nihilist
fractionation
{ "polybius": "NARODNAYA", "keyword": "VOLYA" }
advanced
en
126
188
cipher_museum
2.0
public
null
null
lorenz-v3-0035
THEAPPLEFALLS
THEAPPLEFALLS
THE APPLE FALLS
lorenz
lorenz
machine
{ "type": "seed", "value": "TUNNY" }
expert
en
13
13
cipher_museum
2.0
public
null
null
stager-route-225
IOEFACNCRTAIIGTHAYUGDPOEWTTTHNEVETTTHAHXXEIESOBN
IOEFACNCRTAIIGTHAYUGDPOEWTTTHNEVETTTHAHXXEIESOBN
I HAVE NOT YET BEGUN TO FIGHT SAID THE CAPTAIN TO THE CREW
stager_route
stager_route
transposition
{ "type": "integer", "value": 6 }
expert
en
48
48
cipher_museum
0.2
public
null
null
joseon-yeokhak-v3-0175
BSKHCBGOKHVSODDZSTOZZOBRWBHIWHSRHVSGOASTCFQSHVOHVCZRGHVSDZOBSHGWBHVSWFDOHVG
BSKHCBGOKHVSODDZSTOZZOBRWBHIWHSRHVSGOASTCFQSHVOHVCZRGHVSDZOBSHGWBHVSWFDOHVG
NEWTON SAW THE APPLE FALL AND INTUITED THE SAME FORCE THAT HOLDS THE PLANETS IN THEIR PATHS
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "JOSEON" }
beginner
en
75
75
cipher_museum
2.0
public
null
null
cda-0018954
guide other often delay eight depot unite claim alert turns intel other notes among large turns other often light seeks enter xerox posts large among
guide other often delay eight depot unite claim alert turns intel other notes among large turns other often light seeks enter xerox posts large among
GOOD EDUCATIONAL TOOLS EXPLAIN THEIR LIMITS THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY THE PLAYFAIR CIPHER ENCRYPTS PAIRS OF LETTERS SIMULTANEOUSLY
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.
gronsfeld-v2-0868
BMNZFSGCUJJTDDXFEQQIFDGSYJPPKJODGZMFOCEQFUQDYUBENBFNWVYTFGPZOBDOJXIGQZTJPJTVSHRWDFUZJNVUWXFFOLSBDVLAFXJHSXFCUJOFCUBFNWVYNBMHYIFGQJNZDHQJFXHBFBTHKBSCZFZ
BMNZFSGCUJJTDDXFEQQIFDGSYJPPKJODGZMFOCEQFUQDYUBENBFNWVYTFGPZOBDOJXIGQZTJPJTVSHRWDFUZJNVUWXFFOLSBDVLAFXJHSXFCUJOFCUBFNWVYNBMHYIFGQJNZDHQJFXHBFBTHKBSCZFZ
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
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "11235" }
intermediate
en
151
151
cipher_museum
2.0
public
null
null
diana-v3-0304
LDYLEKSVNRTKZKEAANOAFBTOMMKRAUQOASYSKKYVASUDJYMSSKEONGRUZCBXFBYCYOXBVONHCSRLLWRNTLAXBOGURMZKAQEFXBYYRZXAEKDOAAAYQDBXRJWESWQYYSSNXJLLBWDINQBHRZLEEKCLQZBMYYBSMOGRCENVZ
LDYLEKSVNRTKZKEAANOAFBTOMMKRAUQOASYSKKYVASUDJYMSSKEONGRUZCBXFBYCYOXBVONHCSRLLWRNTLAXBOGURMZKAQEFXBYYRZXAEKDOAAAYQDBXRJWESWQYYSSNXJLLBWDINQBHRZLEEKCLQZBMYYBSMOGRCENVZ
ULTRA INTELLIGENCE FROM BLETCHLEY PARK GAVE THE ALLIES AN ENORMOUS ADVANTAGE IN WORLD WAR TWO BY REVEALING GERMAN INTENTIONS BEFORE OPERATIONS BEGAN BUT THE SOURCE HAD TO BE PROTECTED AT ALL COSTS
diana
diana
polyalphabetic
{ "type": "keyword", "value": "FORCES" }
intermediate
en
165
165
cipher_museum
2.0
public
null
null
enigma-180
GQFGVLGNDVQFYUZLKWFQVIHTWMXFFDZLRSFZSBRXJJMKIKXRUNGEAPWHGAMZZXEGWEPLLBBMAMFPCPAIWXLXGDGJBKCXDQVSMHNKRAVBDXRNTOAJXDCNCPGXTXFHBGXQOUVMQFYGQHPLCUQ
GQFGVLGNDVQFYUZLKWFQVIHTWMXFFDZLRSFZSBRXJJMKIKXRUNGEAPWHGAMZZXEGWEPLLBBMAMFPCPAIWXLXGDGJBKCXDQVSMHNKRAVBDXRNTOAJXDCNCPGXTXFHBGXQOUVMQFYGQHPLCUQ
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
enigma
enigma
machine
{ "type": "rotor_start", "value": "QWE" }
expert
en
143
143
cipher_museum
0.2
public
null
null
rail-fence-v2-0486
WNLROTWPIOELWEITSSREOUTTNWAIHGSESIHRDHSHDIRTTHUEUVTKNEDMRTOHNTSTTEHWINNAAHFFIAEHEOSEBAULWCYISSVELNIAOTOIOHTRSGIRTTNRTIWCTAIMEOGIHOIENOSERNDGFIN
WNLROTWPIOELWEITSSREOUTTNWAIHGSESIHRDHSHDIRTTHUEUVTKNEDMRTOHNTSTTEHWINNAAHFFIAEHEOSEBAULWCYISSVELNIAOTOIOHTRSGIRTTNRTIWCTAIMEOGIHOIENOSERNDGFIN
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
rail_fence
rail_fence
transposition
{ "type": "integer", "value": 10 }
intermediate
en
143
143
cipher_museum
2.0
public
null
null
red-type-a-v3-0354
TIXWISFFED
TIXWISFFED
DOT DASH DOT
red_type_a
red_type_a
machine
{ "type": "keyword", "value": "MIKADO" }
advanced
en
10
10
cipher_museum
2.0
public
null
null
gronsfeld-v2-1036
FPYSGJFMOJDSOOKVT
FPYSGJFMOJDSOOKVT
COURAGE IN DARKNESS
gronsfeld
gronsfeld
polyalphabetic
{ "type": "numeric", "value": "31416" }
intermediate
en
17
17
cipher_museum
2.0
public
null
null
cda-0014552
GWGLD RAHAW YIDNS BCGSV LJESB WBPDL MADFZ OEPUF CTNGD FIQKI
GWGLD RAHAW YIDNS BCGSV LJESB WBPDL MADFZ OEPUF CTNGD FIQKI
SUBSTITUTION CIPHERS MAP EACH LETTER TO A DIFFERENT LETTER
one_time_pad
one_time_pad
null
{}
medium
en
50
50
synthetic_educational
null
null
[ "information_theoretic_proof", "key_reuse_attack" ]
One-time pad: theoretically unbreakable if key is truly random and never reused.
kama-sutra-v3-0348
KARDYMI NSCFRYEX RFF
KARDYMI NSCFRYEX RFF
GRAVITY EXPLAINS ALL
kama_sutra
kama_sutra
substitution
{ "type": "keyword", "value": "WISDOM" }
intermediate
en
18
20
cipher_museum
2.0
public
null
null
playfair-it-031
HYDPXFSYSYSCCHHCBFZLCZPCCBUGGWDBCKQZPCKFLWMGKDBV
HYDPXFSYSYSCCHHCBFZLCZPCCBUGGWDBCKQZPCKFLWMGKDBV
AVANTI POPOLO ALLA RISCOSSA BANDIERA ROSSA TRIONFERA
playfair
playfair
substitution
{ "type": "keyword", "value": "KEYWORD" }
intermediate
it
48
48
cipher_museum
0.2
public
null
null
joseon-yeokhak-v2-0006
BPMXIAAQAPMTL
BPMXIAAQAPMTL
THE PASS IS HELD
joseon_yeokhak
joseon_yeokhak
substitution
{ "type": "keyword", "value": "SEOUL" }
beginner
en
13
13
cipher_museum
2.0
public
null
null
cda-0002076
YMRHY CHLEWLM YWLX C YYSI SP E AJHIANHZHX WABOHHLWN LLHJAYN
YMRHY CHLEWLM YWLX C YYSI SP E AJHIANHZHX WABOHHLWN LLHJAYN
ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN
beaufort
beaufort
null
{ "key": "PALACE" }
medium
en
50
50
synthetic_educational
null
null
[ "kasiski_examination", "friedman_test", "index_of_coincidence" ]
Beaufort: E(x)=k-x mod 26 — reciprocal cipher (decryption identical to encryption).
lorenz-v2-0041
ALLTHATGLITTERSISNOTGOLDKFTENHAVFYOUHAARDTHATTOLD
ALLTHATGLITTERSISNOTGOLDKFTENHAVFYOUHAARDTHATTOLD
ALL THAT GLITTERS IS NOT GOLD OFTEN HAVE YOU HEARD THAT TOLD
lorenz
lorenz
machine
{ "type": "seed", "value": "TUNNY" }
expert
en
49
49
cipher_museum
2.0
public
null
null
vic-v3-0295
872168987216636899016
872168987216636899016
PER ASPERA AD ASTRA
vic
vic
substitution
{ "type": "keyword", "value": "FREEDOM" }
advanced
en
21
21
cipher_museum
2.0
public
null
null
m209-v3-0223
MVZMVBXXDBVWQN
MVZMVBXXDBVWQN
THE SIEGE BEGINS
m209
m209
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
14
14
cipher_museum
2.0
public
null
null
four-square-v2-0169
DRMENRGMNRKSTEQSRMBNXMRBOEOUCQDEYQLOOTTYIUATKKXIMOFBQIKAPTQKOUREQLPCBULO
DRMENRGMNRKSTEQSRMBNXMRBOEOUCQDEYQLOOTTYIUATKKXIMOFBQIKAPTQKOUREQLPCBULO
GENERAL GRANT HAS TAKEN VICKSBURG THE GREAT RIVER IS NOW OPEN FROM ITS SOURCE TO THE SEA
four_square
four_square
polygraphic
{ "key1": "LIBERTY", "key2": "FREEDOM" }
advanced
en
72
72
cipher_museum
2.0
public
null
null
cda-0018318
816 802 826 834 999 807 835 843 856 814 811 999 824 855 999 800 999 845 843 854 857 861 852 814 999 839 842 857 999 800 999 855 833 842 819 802 841 999 807 802 812 855 801 853 999 854 821 825 815 858 812 811 999 859 822 813 999 802 835 847 821 800 803 814 857 999 805 873 999 859 821 852 814 814 999 845 844 856 826 857 ...
816 802 826 834 999 807 835 843 856 814 811 999 824 855 999 800 999 845 843 854 857 861 852 814 999 839 842 857 999 800 999 855 833 842 819 802 841 999 807 802 812 855 801 853 999 854 821 825 815 858 812 811 999 859 822 813 999 802 835 847 821 800 803 814 857 999 805 873 999 859 821 852 814 814 999 845 844 856 826 857 ...
FAIL CLOSED IS A POSTURE NOT A SLOGAN CAESAR SHIFTED THE ALPHABET BY THREE POSITIONS TWO SQUARE CIPHER ENCRYPTS DIGRAPHS WITH TWO POLYBIUS ALPHABETS FRIEDMAN ESTIMATED KEY LENGTH FROM STATISTICS
culper_ring
culper_ring
null
{}
hard
en
165
165
synthetic_educational
null
null
[ "codebook_frequency", "number_range_analysis" ]
Culper Ring code: Washington's three-digit codebook numbers (800–999 range).
copiale-v2-0373
D3 N6 V0 U8 J3 F9 J9 P9 J9 V3 E5 P9 J2 U0 O2 F1 K2 A2 B9 E7 Z2 C5 Y0 D0 C5 W5 F1 E0 Q6 H0 K5 W4 D8 D0 W5 E3 H0 H0 J2 F1 A3 S6 J9 F1 O9 Q6 N6 H9 U9 V3 H3 P9 I0 B8 A3 C7 H9 U1 K6 J6 H0 U8 X4 V4 G3 K2 A2 V2 Q6 U0 R7 V7 S9 L3 V4 K6 A6 O9 C1 P9 E6 V7 S6 F1 P6 A2 A2 E0 E1 P9 P5 O2 M8 K8 I2 G2 U8 M1 W9 I0 O0 P3 K2 O7 U8 A1 W5...
D3 N6 V0 U8 J3 F9 J9 P9 J9 V3 E5 P9 J2 U0 O2 F1 K2 A2 B9 E7 Z2 C5 Y0 D0 C5 W5 F1 E0 Q6 H0 K5 W4 D8 D0 W5 E3 H0 H0 J2 F1 A3 S6 J9 F1 O9 Q6 N6 H9 U9 V3 H3 P9 I0 B8 A3 C7 H9 U1 K6 J6 H0 U8 X4 V4 G3 K2 A2 V2 Q6 U0 R7 V7 S9 L3 V4 K6 A6 O9 C1 P9 E6 V7 S6 F1 P6 A2 A2 E0 E1 P9 P5 O2 M8 K8 I2 G2 U8 M1 W9 I0 O0 P3 K2 O7 U8 A1 W5...
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": "MYSTERY" }
advanced
en
300
449
cipher_museum
2.0
public
null
null
porta-v2-0176
OMIQJRPUAUMGSHVXQKCTDEQLZVBJLPNEHZTAFKIIBDFWVEOFYWUYMOJOMIQJRPUAFXTNSBAIFJ
OMIQJRPUAUMGSHVXQKCTDEQLZVBJLPNEHZTAFKIIBDFWVEOFYWUYMOJOMIQJRPUAFXTNSBAIFJ
GOOD NIGHT GOOD NIGHT PARTING IS SUCH SWEET SORROW THAT I SHALL SAY GOOD NIGHT TILL MORROW
porta
porta
polyalphabetic
{ "type": "keyword", "value": "RENAISSANCE" }
intermediate
en
74
74
cipher_museum
2.0
public
null
null
vernam-v2-0028
CPWUELKPVMKCWASHI
CPWUELKPVMKCWASHI
COURAGE IN DARKNESS
vernam
vernam
stream
{ "type": "pad", "value": "ABCDEFGH (repeating)" }
expert
en
17
17
cipher_museum
2.0
public
null
null
nomenclator-020
03 18 25 16 20 15 07 18 01 16 08 25 18 21 12 05 19
03 18 25 16 20 15 07 18 01 16 08 25 18 21 12 05 19
CRYPTOGRAPHY RULES
nomenclator
nomenclator
nomenclator
{ "type": "none", "value": null }
expert
en
34
50
cipher_museum
0.2
public
null
null
m209-v3-0307
NOBNDMZJDBQWZKWAKWCJJWZLPZHDSWTAZSVXYUMQPIJPLJWRVJVSXDSBKXBKGWMANTBZZUNLGUKWNXZDBTUMMUQQQVPQYLPGQUWPQOERCCJYVKBPMNPDYXMOSPQHSZCXBVFKWJVAZAIZKKYOROXVPQIPPXEYRMJIQTVSTZPPXD
NOBNDMZJDBQWZKWAKWCJJWZLPZHDSWTAZSVXYUMQPIJPLJWRVJVSXDSBKXBKGWMANTBZZUNLGUKWNXZDBTUMMUQQQVPQYLPGQUWPQOERCCJYVKBPMNPDYXMOSPQHSZCXBVFKWJVAZAIZKKYOROXVPQIPPXEYRMJIQTVSTZPPXD
SOCRATES BELIEVED THAT THE UNEXAMINED LIFE IS NOT WORTH LIVING AND THAT WISDOM BEGINS WITH THE ADMISSION OF ONES OWN IGNORANCE THIS APPROACH TO KNOWLEDGE HAS GUIDED WESTERN PHILOSOPHY FOR TWO MILLENNIA
m209
m209
machine
{ "type": "seed", "value": "LIBERTY" }
expert
en
170
170
cipher_museum
2.0
public
null
null
cda-0020187
ALANT URINX BROKE ENIGM AWITZ CRIBS ANDTH EBOMX EMACH INERO UTECZ PHERS READA GRIDZ NAPRE SCRIB EDGEO METRI CPATT ERNTH ELIBR ARYPX ESERV ESKNO WLEDG EFORT HECOZ MUNIT YDOUB LETRA NSPOX ITIOZ APPLI ESCOZ UMNAR ENCRY PTION TWICX
ALANT URINX BROKE ENIGM AWITZ CRIBS ANDTH EBOMX EMACH INERO UTECZ PHERS READA GRIDZ NAPRE SCRIB EDGEO METRI CPATT ERNTH ELIBR ARYPX ESERV ESKNO WLEDG EFORT HECOZ MUNIT YDOUB LETRA NSPOX ITIOZ APPLI ESCOZ UMNAR ENCRY PTION TWICX
ALAN TURING BROKE ENIGMA WITH CRIBS AND THE BOMBE MACHINE ROUTE CIPHERS READ A GRID IN A PRESCRIBED GEOMETRIC PATTERN THE LIBRARY PRESERVES KNOWLEDGE FOR THE COMMUNITY DOUBLE TRANSPOSITION APPLIES COLUMNAR ENCRYPTION TWICE
commercial_code
commercial_code
null
{}
hard
en
190
190
synthetic_educational
null
null
[ "codebook_frequency", "five_letter_group_analysis" ]
Commercial code: five-letter groups from a codebook, often ending in X or Z.
nihilist-036
49 60 89 79 58 79 86 67 65 69 49 67 49 38 99 49 57 79 49 46 78 49 60 89 79 58 79 75 50 75 49 46 78 86 67 95 59 46 95 59 36 79 69 79 97 69 40 108 59 36 67
49 60 89 79 58 79 86 67 65 69 49 67 49 38 99 49 57 79 49 46 78 49 60 89 79 58 79 75 50 75 49 46 78 86 67 95 59 46 95 59 36 79 69 79 97 69 40 108 59 36 67
ALL THE WORLDS A STAGE AND ALL THE MEN AND WOMEN MERELY PLAYERS
nihilist
nihilist
fractionation
{ "polybius": "RUSSIAN", "keyword": "KEY" }
advanced
en
103
153
cipher_museum
0.2
public
null
null
sigaba-v2-0337
FTDBSCIRKTVEMVVCPQCEGUSPYNAQJIHEVINFTJSZQQRAMLRKSTRZDGJXVCIPKVVLBMZHSNPPNAFEEVXLE
FTDBSCIRKTVEMVVCPQCEGUSPYNAQJIHEVINFTJSZQQRAMLRKSTRZDGJXVCIPKVVLBMZHSNPPNAFEEVXLE
FREQUENCY ANALYSIS EXPLOITS THE FACT THAT CERTAIN LETTERS APPEAR FAR MORE OFTEN IN ENGLISH TEXT
sigaba
sigaba
machine
{ "type": "seed", "value": "FREEDOM" }
expert
en
81
81
cipher_museum
2.0
public
null
null